From: Jeff Kirsher Date: Fri, 20 May 2011 13:55:16 +0000 (-0700) Subject: atl*: Move the Atheros drivers X-Git-Tag: MMI-PSA29.97-13-9~18194^2~533 X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=2b133ad6e9e96798007e64eb912c42fa00adef0a;p=GitHub%2FMotorolaMobilityLLC%2Fkernel-slsi.git atl*: Move the Atheros drivers Move the Atheros drivers into drivers/net/ethernet/atheros/ and make the necessary Kconfig and Makefile changes. CC: Jay Cliburn CC: Chris Snook CC: Jie Yang Signed-off-by: Jeff Kirsher --- diff --git a/MAINTAINERS b/MAINTAINERS index 88ff9efa9c65..26fa497e3733 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1282,7 +1282,7 @@ L: netdev@vger.kernel.org W: http://sourceforge.net/projects/atl1 W: http://atl1.sourceforge.net S: Maintained -F: drivers/net/atlx/ +F: drivers/net/ethernet/atheros/ ATM M: Chas Williams diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index 8799caf64c98..e6be7123f9ca 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -760,17 +760,6 @@ config FEC_MPC52xx_MDIO If not sure, enable. If compiled as module, it will be called fec_mpc52xx_phy. -config ATL2 - tristate "Atheros L2 Fast Ethernet support" - depends on PCI - select CRC32 - select MII - help - This driver supports the Atheros L2 fast ethernet adapter. - - To compile this driver as a module, choose M here. The module - will be called atl2. - config XILINX_EMACLITE tristate "Xilinx 10/100 Ethernet Lite support" depends on PPC32 || MICROBLAZE @@ -1031,40 +1020,6 @@ config XILINX_LL_TEMAC This driver supports the Xilinx 10/100/1000 LocalLink TEMAC core used in Xilinx Spartan and Virtex FPGAs -config ATL1 - tristate "Atheros/Attansic L1 Gigabit Ethernet support" - depends on PCI - select CRC32 - select MII - help - This driver supports the Atheros/Attansic L1 gigabit ethernet - adapter. - - To compile this driver as a module, choose M here. The module - will be called atl1. - -config ATL1E - tristate "Atheros L1E Gigabit Ethernet support (EXPERIMENTAL)" - depends on PCI && EXPERIMENTAL - select CRC32 - select MII - help - This driver supports the Atheros L1E gigabit ethernet adapter. - - To compile this driver as a module, choose M here. The module - will be called atl1e. - -config ATL1C - tristate "Atheros L1C Gigabit Ethernet support (EXPERIMENTAL)" - depends on PCI && EXPERIMENTAL - select CRC32 - select MII - help - This driver supports the Atheros L1C gigabit ethernet adapter. - - To compile this driver as a module, choose M here. The module - will be called atl1c. - config JME tristate "JMicron(R) PCI-Express Gigabit Ethernet support" depends on PCI diff --git a/drivers/net/Makefile b/drivers/net/Makefile index ecd8c9f664d2..d15107598e6d 100644 --- a/drivers/net/Makefile +++ b/drivers/net/Makefile @@ -13,10 +13,6 @@ obj-$(CONFIG_TI_DAVINCI_CPDMA) += davinci_cpdma.o obj-$(CONFIG_IP1000) += ipg.o obj-$(CONFIG_CAN) += can/ obj-$(CONFIG_BONDING) += bonding/ -obj-$(CONFIG_ATL1) += atlx/ -obj-$(CONFIG_ATL2) += atlx/ -obj-$(CONFIG_ATL1E) += atl1e/ -obj-$(CONFIG_ATL1C) += atl1c/ obj-$(CONFIG_GIANFAR) += gianfar_driver.o obj-$(CONFIG_PTP_1588_CLOCK_GIANFAR) += gianfar_ptp.o obj-$(CONFIG_JME) += jme.o diff --git a/drivers/net/atl1c/Makefile b/drivers/net/atl1c/Makefile deleted file mode 100644 index c37d966952ee..000000000000 --- a/drivers/net/atl1c/Makefile +++ /dev/null @@ -1,2 +0,0 @@ -obj-$(CONFIG_ATL1C) += atl1c.o -atl1c-objs := atl1c_main.o atl1c_hw.o atl1c_ethtool.o diff --git a/drivers/net/atl1c/atl1c.h b/drivers/net/atl1c/atl1c.h deleted file mode 100644 index ca70e16b6e2c..000000000000 --- a/drivers/net/atl1c/atl1c.h +++ /dev/null @@ -1,636 +0,0 @@ -/* - * Copyright(c) 2008 - 2009 Atheros Corporation. All rights reserved. - * - * Derived from Intel e1000 driver - * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., 59 - * Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -#ifndef _ATL1C_H_ -#define _ATL1C_H_ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include "atl1c_hw.h" - -/* Wake Up Filter Control */ -#define AT_WUFC_LNKC 0x00000001 /* Link Status Change Wakeup Enable */ -#define AT_WUFC_MAG 0x00000002 /* Magic Packet Wakeup Enable */ -#define AT_WUFC_EX 0x00000004 /* Directed Exact Wakeup Enable */ -#define AT_WUFC_MC 0x00000008 /* Multicast Wakeup Enable */ -#define AT_WUFC_BC 0x00000010 /* Broadcast Wakeup Enable */ - -#define AT_VLAN_TO_TAG(_vlan, _tag) \ - _tag = ((((_vlan) >> 8) & 0xFF) |\ - (((_vlan) & 0xFF) << 8)) - -#define AT_TAG_TO_VLAN(_tag, _vlan) \ - _vlan = ((((_tag) >> 8) & 0xFF) |\ - (((_tag) & 0xFF) << 8)) - -#define SPEED_0 0xffff -#define HALF_DUPLEX 1 -#define FULL_DUPLEX 2 - -#define AT_RX_BUF_SIZE (ETH_FRAME_LEN + VLAN_HLEN + ETH_FCS_LEN) -#define MAX_JUMBO_FRAME_SIZE (6*1024) -#define MAX_TSO_FRAME_SIZE (7*1024) -#define MAX_TX_OFFLOAD_THRESH (9*1024) - -#define AT_MAX_RECEIVE_QUEUE 4 -#define AT_DEF_RECEIVE_QUEUE 1 -#define AT_MAX_TRANSMIT_QUEUE 2 - -#define AT_DMA_HI_ADDR_MASK 0xffffffff00000000ULL -#define AT_DMA_LO_ADDR_MASK 0x00000000ffffffffULL - -#define AT_TX_WATCHDOG (5 * HZ) -#define AT_MAX_INT_WORK 5 -#define AT_TWSI_EEPROM_TIMEOUT 100 -#define AT_HW_MAX_IDLE_DELAY 10 -#define AT_SUSPEND_LINK_TIMEOUT 100 - -#define AT_ASPM_L0S_TIMER 6 -#define AT_ASPM_L1_TIMER 12 -#define AT_LCKDET_TIMER 12 - -#define ATL1C_PCIE_L0S_L1_DISABLE 0x01 -#define ATL1C_PCIE_PHY_RESET 0x02 - -#define ATL1C_ASPM_L0s_ENABLE 0x0001 -#define ATL1C_ASPM_L1_ENABLE 0x0002 - -#define AT_REGS_LEN (75 * sizeof(u32)) -#define AT_EEPROM_LEN 512 - -#define ATL1C_GET_DESC(R, i, type) (&(((type *)((R)->desc))[i])) -#define ATL1C_RFD_DESC(R, i) ATL1C_GET_DESC(R, i, struct atl1c_rx_free_desc) -#define ATL1C_TPD_DESC(R, i) ATL1C_GET_DESC(R, i, struct atl1c_tpd_desc) -#define ATL1C_RRD_DESC(R, i) ATL1C_GET_DESC(R, i, struct atl1c_recv_ret_status) - -/* tpd word 1 bit 0:7 General Checksum task offload */ -#define TPD_L4HDR_OFFSET_MASK 0x00FF -#define TPD_L4HDR_OFFSET_SHIFT 0 - -/* tpd word 1 bit 0:7 Large Send task offload (IPv4/IPV6) */ -#define TPD_TCPHDR_OFFSET_MASK 0x00FF -#define TPD_TCPHDR_OFFSET_SHIFT 0 - -/* tpd word 1 bit 0:7 Custom Checksum task offload */ -#define TPD_PLOADOFFSET_MASK 0x00FF -#define TPD_PLOADOFFSET_SHIFT 0 - -/* tpd word 1 bit 8:17 */ -#define TPD_CCSUM_EN_MASK 0x0001 -#define TPD_CCSUM_EN_SHIFT 8 -#define TPD_IP_CSUM_MASK 0x0001 -#define TPD_IP_CSUM_SHIFT 9 -#define TPD_TCP_CSUM_MASK 0x0001 -#define TPD_TCP_CSUM_SHIFT 10 -#define TPD_UDP_CSUM_MASK 0x0001 -#define TPD_UDP_CSUM_SHIFT 11 -#define TPD_LSO_EN_MASK 0x0001 /* TCP Large Send Offload */ -#define TPD_LSO_EN_SHIFT 12 -#define TPD_LSO_VER_MASK 0x0001 -#define TPD_LSO_VER_SHIFT 13 /* 0 : ipv4; 1 : ipv4/ipv6 */ -#define TPD_CON_VTAG_MASK 0x0001 -#define TPD_CON_VTAG_SHIFT 14 -#define TPD_INS_VTAG_MASK 0x0001 -#define TPD_INS_VTAG_SHIFT 15 -#define TPD_IPV4_PACKET_MASK 0x0001 /* valid when LSO VER is 1 */ -#define TPD_IPV4_PACKET_SHIFT 16 -#define TPD_ETH_TYPE_MASK 0x0001 -#define TPD_ETH_TYPE_SHIFT 17 /* 0 : 802.3 frame; 1 : Ethernet */ - -/* tpd word 18:25 Custom Checksum task offload */ -#define TPD_CCSUM_OFFSET_MASK 0x00FF -#define TPD_CCSUM_OFFSET_SHIFT 18 -#define TPD_CCSUM_EPAD_MASK 0x0001 -#define TPD_CCSUM_EPAD_SHIFT 30 - -/* tpd word 18:30 Large Send task offload (IPv4/IPV6) */ -#define TPD_MSS_MASK 0x1FFF -#define TPD_MSS_SHIFT 18 - -#define TPD_EOP_MASK 0x0001 -#define TPD_EOP_SHIFT 31 - -struct atl1c_tpd_desc { - __le16 buffer_len; /* include 4-byte CRC */ - __le16 vlan_tag; - __le32 word1; - __le64 buffer_addr; -}; - -struct atl1c_tpd_ext_desc { - u32 reservd_0; - __le32 word1; - __le32 pkt_len; - u32 reservd_1; -}; -/* rrs word 0 bit 0:31 */ -#define RRS_RX_CSUM_MASK 0xFFFF -#define RRS_RX_CSUM_SHIFT 0 -#define RRS_RX_RFD_CNT_MASK 0x000F -#define RRS_RX_RFD_CNT_SHIFT 16 -#define RRS_RX_RFD_INDEX_MASK 0x0FFF -#define RRS_RX_RFD_INDEX_SHIFT 20 - -/* rrs flag bit 0:16 */ -#define RRS_HEAD_LEN_MASK 0x00FF -#define RRS_HEAD_LEN_SHIFT 0 -#define RRS_HDS_TYPE_MASK 0x0003 -#define RRS_HDS_TYPE_SHIFT 8 -#define RRS_CPU_NUM_MASK 0x0003 -#define RRS_CPU_NUM_SHIFT 10 -#define RRS_HASH_FLG_MASK 0x000F -#define RRS_HASH_FLG_SHIFT 12 - -#define RRS_HDS_TYPE_HEAD 1 -#define RRS_HDS_TYPE_DATA 2 - -#define RRS_IS_NO_HDS_TYPE(flag) \ - ((((flag) >> (RRS_HDS_TYPE_SHIFT)) & RRS_HDS_TYPE_MASK) == 0) - -#define RRS_IS_HDS_HEAD(flag) \ - ((((flag) >> (RRS_HDS_TYPE_SHIFT)) & RRS_HDS_TYPE_MASK) == \ - RRS_HDS_TYPE_HEAD) - -#define RRS_IS_HDS_DATA(flag) \ - ((((flag) >> (RRS_HDS_TYPE_SHIFT)) & RRS_HDS_TYPE_MASK) == \ - RRS_HDS_TYPE_DATA) - -/* rrs word 3 bit 0:31 */ -#define RRS_PKT_SIZE_MASK 0x3FFF -#define RRS_PKT_SIZE_SHIFT 0 -#define RRS_ERR_L4_CSUM_MASK 0x0001 -#define RRS_ERR_L4_CSUM_SHIFT 14 -#define RRS_ERR_IP_CSUM_MASK 0x0001 -#define RRS_ERR_IP_CSUM_SHIFT 15 -#define RRS_VLAN_INS_MASK 0x0001 -#define RRS_VLAN_INS_SHIFT 16 -#define RRS_PROT_ID_MASK 0x0007 -#define RRS_PROT_ID_SHIFT 17 -#define RRS_RX_ERR_SUM_MASK 0x0001 -#define RRS_RX_ERR_SUM_SHIFT 20 -#define RRS_RX_ERR_CRC_MASK 0x0001 -#define RRS_RX_ERR_CRC_SHIFT 21 -#define RRS_RX_ERR_FAE_MASK 0x0001 -#define RRS_RX_ERR_FAE_SHIFT 22 -#define RRS_RX_ERR_TRUNC_MASK 0x0001 -#define RRS_RX_ERR_TRUNC_SHIFT 23 -#define RRS_RX_ERR_RUNC_MASK 0x0001 -#define RRS_RX_ERR_RUNC_SHIFT 24 -#define RRS_RX_ERR_ICMP_MASK 0x0001 -#define RRS_RX_ERR_ICMP_SHIFT 25 -#define RRS_PACKET_BCAST_MASK 0x0001 -#define RRS_PACKET_BCAST_SHIFT 26 -#define RRS_PACKET_MCAST_MASK 0x0001 -#define RRS_PACKET_MCAST_SHIFT 27 -#define RRS_PACKET_TYPE_MASK 0x0001 -#define RRS_PACKET_TYPE_SHIFT 28 -#define RRS_FIFO_FULL_MASK 0x0001 -#define RRS_FIFO_FULL_SHIFT 29 -#define RRS_802_3_LEN_ERR_MASK 0x0001 -#define RRS_802_3_LEN_ERR_SHIFT 30 -#define RRS_RXD_UPDATED_MASK 0x0001 -#define RRS_RXD_UPDATED_SHIFT 31 - -#define RRS_ERR_L4_CSUM 0x00004000 -#define RRS_ERR_IP_CSUM 0x00008000 -#define RRS_VLAN_INS 0x00010000 -#define RRS_RX_ERR_SUM 0x00100000 -#define RRS_RX_ERR_CRC 0x00200000 -#define RRS_802_3_LEN_ERR 0x40000000 -#define RRS_RXD_UPDATED 0x80000000 - -#define RRS_PACKET_TYPE_802_3 1 -#define RRS_PACKET_TYPE_ETH 0 -#define RRS_PACKET_IS_ETH(word) \ - ((((word) >> RRS_PACKET_TYPE_SHIFT) & RRS_PACKET_TYPE_MASK) == \ - RRS_PACKET_TYPE_ETH) -#define RRS_RXD_IS_VALID(word) \ - ((((word) >> RRS_RXD_UPDATED_SHIFT) & RRS_RXD_UPDATED_MASK) == 1) - -#define RRS_PACKET_PROT_IS_IPV4_ONLY(word) \ - ((((word) >> RRS_PROT_ID_SHIFT) & RRS_PROT_ID_MASK) == 1) -#define RRS_PACKET_PROT_IS_IPV6_ONLY(word) \ - ((((word) >> RRS_PROT_ID_SHIFT) & RRS_PROT_ID_MASK) == 6) - -struct atl1c_recv_ret_status { - __le32 word0; - __le32 rss_hash; - __le16 vlan_tag; - __le16 flag; - __le32 word3; -}; - -/* RFD descriptor */ -struct atl1c_rx_free_desc { - __le64 buffer_addr; -}; - -/* DMA Order Settings */ -enum atl1c_dma_order { - atl1c_dma_ord_in = 1, - atl1c_dma_ord_enh = 2, - atl1c_dma_ord_out = 4 -}; - -enum atl1c_dma_rcb { - atl1c_rcb_64 = 0, - atl1c_rcb_128 = 1 -}; - -enum atl1c_mac_speed { - atl1c_mac_speed_0 = 0, - atl1c_mac_speed_10_100 = 1, - atl1c_mac_speed_1000 = 2 -}; - -enum atl1c_dma_req_block { - atl1c_dma_req_128 = 0, - atl1c_dma_req_256 = 1, - atl1c_dma_req_512 = 2, - atl1c_dma_req_1024 = 3, - atl1c_dma_req_2048 = 4, - atl1c_dma_req_4096 = 5 -}; - -enum atl1c_rss_mode { - atl1c_rss_mode_disable = 0, - atl1c_rss_sig_que = 1, - atl1c_rss_mul_que_sig_int = 2, - atl1c_rss_mul_que_mul_int = 4, -}; - -enum atl1c_rss_type { - atl1c_rss_disable = 0, - atl1c_rss_ipv4 = 1, - atl1c_rss_ipv4_tcp = 2, - atl1c_rss_ipv6 = 4, - atl1c_rss_ipv6_tcp = 8 -}; - -enum atl1c_nic_type { - athr_l1c = 0, - athr_l2c = 1, - athr_l2c_b, - athr_l2c_b2, - athr_l1d, - athr_l1d_2, -}; - -enum atl1c_trans_queue { - atl1c_trans_normal = 0, - atl1c_trans_high = 1 -}; - -struct atl1c_hw_stats { - /* rx */ - unsigned long rx_ok; /* The number of good packet received. */ - unsigned long rx_bcast; /* The number of good broadcast packet received. */ - unsigned long rx_mcast; /* The number of good multicast packet received. */ - unsigned long rx_pause; /* The number of Pause packet received. */ - unsigned long rx_ctrl; /* The number of Control packet received other than Pause frame. */ - unsigned long rx_fcs_err; /* The number of packets with bad FCS. */ - unsigned long rx_len_err; /* The number of packets with mismatch of length field and actual size. */ - unsigned long rx_byte_cnt; /* The number of bytes of good packet received. FCS is NOT included. */ - unsigned long rx_runt; /* The number of packets received that are less than 64 byte long and with good FCS. */ - unsigned long rx_frag; /* The number of packets received that are less than 64 byte long and with bad FCS. */ - unsigned long rx_sz_64; /* The number of good and bad packets received that are 64 byte long. */ - unsigned long rx_sz_65_127; /* The number of good and bad packets received that are between 65 and 127-byte long. */ - unsigned long rx_sz_128_255; /* The number of good and bad packets received that are between 128 and 255-byte long. */ - unsigned long rx_sz_256_511; /* The number of good and bad packets received that are between 256 and 511-byte long. */ - unsigned long rx_sz_512_1023; /* The number of good and bad packets received that are between 512 and 1023-byte long. */ - unsigned long rx_sz_1024_1518; /* The number of good and bad packets received that are between 1024 and 1518-byte long. */ - unsigned long rx_sz_1519_max; /* The number of good and bad packets received that are between 1519-byte and MTU. */ - unsigned long rx_sz_ov; /* The number of good and bad packets received that are more than MTU size truncated by Selene. */ - unsigned long rx_rxf_ov; /* The number of frame dropped due to occurrence of RX FIFO overflow. */ - unsigned long rx_rrd_ov; /* The number of frame dropped due to occurrence of RRD overflow. */ - unsigned long rx_align_err; /* Alignment Error */ - unsigned long rx_bcast_byte_cnt; /* The byte count of broadcast packet received, excluding FCS. */ - unsigned long rx_mcast_byte_cnt; /* The byte count of multicast packet received, excluding FCS. */ - unsigned long rx_err_addr; /* The number of packets dropped due to address filtering. */ - - /* tx */ - unsigned long tx_ok; /* The number of good packet transmitted. */ - unsigned long tx_bcast; /* The number of good broadcast packet transmitted. */ - unsigned long tx_mcast; /* The number of good multicast packet transmitted. */ - unsigned long tx_pause; /* The number of Pause packet transmitted. */ - unsigned long tx_exc_defer; /* The number of packets transmitted with excessive deferral. */ - unsigned long tx_ctrl; /* The number of packets transmitted is a control frame, excluding Pause frame. */ - unsigned long tx_defer; /* The number of packets transmitted that is deferred. */ - unsigned long tx_byte_cnt; /* The number of bytes of data transmitted. FCS is NOT included. */ - unsigned long tx_sz_64; /* The number of good and bad packets transmitted that are 64 byte long. */ - unsigned long tx_sz_65_127; /* The number of good and bad packets transmitted that are between 65 and 127-byte long. */ - unsigned long tx_sz_128_255; /* The number of good and bad packets transmitted that are between 128 and 255-byte long. */ - unsigned long tx_sz_256_511; /* The number of good and bad packets transmitted that are between 256 and 511-byte long. */ - unsigned long tx_sz_512_1023; /* The number of good and bad packets transmitted that are between 512 and 1023-byte long. */ - unsigned long tx_sz_1024_1518; /* The number of good and bad packets transmitted that are between 1024 and 1518-byte long. */ - unsigned long tx_sz_1519_max; /* The number of good and bad packets transmitted that are between 1519-byte and MTU. */ - unsigned long tx_1_col; /* The number of packets subsequently transmitted successfully with a single prior collision. */ - unsigned long tx_2_col; /* The number of packets subsequently transmitted successfully with multiple prior collisions. */ - unsigned long tx_late_col; /* The number of packets transmitted with late collisions. */ - unsigned long tx_abort_col; /* The number of transmit packets aborted due to excessive collisions. */ - unsigned long tx_underrun; /* The number of transmit packets aborted due to transmit FIFO underrun, or TRD FIFO underrun */ - unsigned long tx_rd_eop; /* The number of times that read beyond the EOP into the next frame area when TRD was not written timely */ - unsigned long tx_len_err; /* The number of transmit packets with length field does NOT match the actual frame size. */ - unsigned long tx_trunc; /* The number of transmit packets truncated due to size exceeding MTU. */ - unsigned long tx_bcast_byte; /* The byte count of broadcast packet transmitted, excluding FCS. */ - unsigned long tx_mcast_byte; /* The byte count of multicast packet transmitted, excluding FCS. */ -}; - -struct atl1c_hw { - u8 __iomem *hw_addr; /* inner register address */ - struct atl1c_adapter *adapter; - enum atl1c_nic_type nic_type; - enum atl1c_dma_order dma_order; - enum atl1c_dma_rcb rcb_value; - enum atl1c_dma_req_block dmar_block; - enum atl1c_dma_req_block dmaw_block; - - u16 device_id; - u16 vendor_id; - u16 subsystem_id; - u16 subsystem_vendor_id; - u8 revision_id; - u16 phy_id1; - u16 phy_id2; - - u32 intr_mask; - u8 dmaw_dly_cnt; - u8 dmar_dly_cnt; - - u8 preamble_len; - u16 max_frame_size; - u16 min_frame_size; - - enum atl1c_mac_speed mac_speed; - bool mac_duplex; - bool hibernate; - u16 media_type; -#define MEDIA_TYPE_AUTO_SENSOR 0 -#define MEDIA_TYPE_100M_FULL 1 -#define MEDIA_TYPE_100M_HALF 2 -#define MEDIA_TYPE_10M_FULL 3 -#define MEDIA_TYPE_10M_HALF 4 - - u16 autoneg_advertised; - u16 mii_autoneg_adv_reg; - u16 mii_1000t_ctrl_reg; - - u16 tx_imt; /* TX Interrupt Moderator timer ( 2us resolution) */ - u16 rx_imt; /* RX Interrupt Moderator timer ( 2us resolution) */ - u16 ict; /* Interrupt Clear timer (2us resolution) */ - u16 ctrl_flags; -#define ATL1C_INTR_CLEAR_ON_READ 0x0001 -#define ATL1C_INTR_MODRT_ENABLE 0x0002 -#define ATL1C_CMB_ENABLE 0x0004 -#define ATL1C_SMB_ENABLE 0x0010 -#define ATL1C_TXQ_MODE_ENHANCE 0x0020 -#define ATL1C_RX_IPV6_CHKSUM 0x0040 -#define ATL1C_ASPM_L0S_SUPPORT 0x0080 -#define ATL1C_ASPM_L1_SUPPORT 0x0100 -#define ATL1C_ASPM_CTRL_MON 0x0200 -#define ATL1C_HIB_DISABLE 0x0400 -#define ATL1C_APS_MODE_ENABLE 0x0800 -#define ATL1C_LINK_EXT_SYNC 0x1000 -#define ATL1C_CLK_GATING_EN 0x2000 -#define ATL1C_FPGA_VERSION 0x8000 - u16 link_cap_flags; -#define ATL1C_LINK_CAP_1000M 0x0001 - u16 cmb_tpd; - u16 cmb_rrd; - u16 cmb_rx_timer; /* 2us resolution */ - u16 cmb_tx_timer; - u32 smb_timer; - - u16 rrd_thresh; /* Threshold of number of RRD produced to trigger - interrupt request */ - u16 tpd_thresh; - u8 tpd_burst; /* Number of TPD to prefetch in cache-aligned burst. */ - u8 rfd_burst; - enum atl1c_rss_type rss_type; - enum atl1c_rss_mode rss_mode; - u8 rss_hash_bits; - u32 base_cpu; - u32 indirect_tab; - u8 mac_addr[ETH_ALEN]; - u8 perm_mac_addr[ETH_ALEN]; - - bool phy_configured; - bool re_autoneg; - bool emi_ca; -}; - -/* - * atl1c_ring_header represents a single, contiguous block of DMA space - * mapped for the three descriptor rings (tpd, rfd, rrd) and the two - * message blocks (cmb, smb) described below - */ -struct atl1c_ring_header { - void *desc; /* virtual address */ - dma_addr_t dma; /* physical address*/ - unsigned int size; /* length in bytes */ -}; - -/* - * atl1c_buffer is wrapper around a pointer to a socket buffer - * so a DMA handle can be stored along with the skb - */ -struct atl1c_buffer { - struct sk_buff *skb; /* socket buffer */ - u16 length; /* rx buffer length */ - u16 flags; /* information of buffer */ -#define ATL1C_BUFFER_FREE 0x0001 -#define ATL1C_BUFFER_BUSY 0x0002 -#define ATL1C_BUFFER_STATE_MASK 0x0003 - -#define ATL1C_PCIMAP_SINGLE 0x0004 -#define ATL1C_PCIMAP_PAGE 0x0008 -#define ATL1C_PCIMAP_TYPE_MASK 0x000C - -#define ATL1C_PCIMAP_TODEVICE 0x0010 -#define ATL1C_PCIMAP_FROMDEVICE 0x0020 -#define ATL1C_PCIMAP_DIRECTION_MASK 0x0030 - dma_addr_t dma; -}; - -#define ATL1C_SET_BUFFER_STATE(buff, state) do { \ - ((buff)->flags) &= ~ATL1C_BUFFER_STATE_MASK; \ - ((buff)->flags) |= (state); \ - } while (0) - -#define ATL1C_SET_PCIMAP_TYPE(buff, type, direction) do { \ - ((buff)->flags) &= ~ATL1C_PCIMAP_TYPE_MASK; \ - ((buff)->flags) |= (type); \ - ((buff)->flags) &= ~ATL1C_PCIMAP_DIRECTION_MASK; \ - ((buff)->flags) |= (direction); \ - } while (0) - -/* transimit packet descriptor (tpd) ring */ -struct atl1c_tpd_ring { - void *desc; /* descriptor ring virtual address */ - dma_addr_t dma; /* descriptor ring physical address */ - u16 size; /* descriptor ring length in bytes */ - u16 count; /* number of descriptors in the ring */ - u16 next_to_use; /* this is protectd by adapter->tx_lock */ - atomic_t next_to_clean; - struct atl1c_buffer *buffer_info; -}; - -/* receive free descriptor (rfd) ring */ -struct atl1c_rfd_ring { - void *desc; /* descriptor ring virtual address */ - dma_addr_t dma; /* descriptor ring physical address */ - u16 size; /* descriptor ring length in bytes */ - u16 count; /* number of descriptors in the ring */ - u16 next_to_use; - u16 next_to_clean; - struct atl1c_buffer *buffer_info; -}; - -/* receive return descriptor (rrd) ring */ -struct atl1c_rrd_ring { - void *desc; /* descriptor ring virtual address */ - dma_addr_t dma; /* descriptor ring physical address */ - u16 size; /* descriptor ring length in bytes */ - u16 count; /* number of descriptors in the ring */ - u16 next_to_use; - u16 next_to_clean; -}; - -struct atl1c_cmb { - void *cmb; - dma_addr_t dma; -}; - -struct atl1c_smb { - void *smb; - dma_addr_t dma; -}; - -/* board specific private data structure */ -struct atl1c_adapter { - struct net_device *netdev; - struct pci_dev *pdev; - struct napi_struct napi; - struct atl1c_hw hw; - struct atl1c_hw_stats hw_stats; - struct mii_if_info mii; /* MII interface info */ - u16 rx_buffer_len; - - unsigned long flags; -#define __AT_TESTING 0x0001 -#define __AT_RESETTING 0x0002 -#define __AT_DOWN 0x0003 - unsigned long work_event; -#define ATL1C_WORK_EVENT_RESET 0 -#define ATL1C_WORK_EVENT_LINK_CHANGE 1 - u32 msg_enable; - - bool have_msi; - u32 wol; - u16 link_speed; - u16 link_duplex; - - spinlock_t mdio_lock; - spinlock_t tx_lock; - atomic_t irq_sem; - - struct work_struct common_task; - struct timer_list watchdog_timer; - struct timer_list phy_config_timer; - - /* All Descriptor memory */ - struct atl1c_ring_header ring_header; - struct atl1c_tpd_ring tpd_ring[AT_MAX_TRANSMIT_QUEUE]; - struct atl1c_rfd_ring rfd_ring[AT_MAX_RECEIVE_QUEUE]; - struct atl1c_rrd_ring rrd_ring[AT_MAX_RECEIVE_QUEUE]; - struct atl1c_cmb cmb; - struct atl1c_smb smb; - int num_rx_queues; - u32 bd_number; /* board number;*/ -}; - -#define AT_WRITE_REG(a, reg, value) ( \ - writel((value), ((a)->hw_addr + reg))) - -#define AT_WRITE_FLUSH(a) (\ - readl((a)->hw_addr)) - -#define AT_READ_REG(a, reg, pdata) do { \ - if (unlikely((a)->hibernate)) { \ - readl((a)->hw_addr + reg); \ - *(u32 *)pdata = readl((a)->hw_addr + reg); \ - } else { \ - *(u32 *)pdata = readl((a)->hw_addr + reg); \ - } \ - } while (0) - -#define AT_WRITE_REGB(a, reg, value) (\ - writeb((value), ((a)->hw_addr + reg))) - -#define AT_READ_REGB(a, reg) (\ - readb((a)->hw_addr + reg)) - -#define AT_WRITE_REGW(a, reg, value) (\ - writew((value), ((a)->hw_addr + reg))) - -#define AT_READ_REGW(a, reg) (\ - readw((a)->hw_addr + reg)) - -#define AT_WRITE_REG_ARRAY(a, reg, offset, value) ( \ - writel((value), (((a)->hw_addr + reg) + ((offset) << 2)))) - -#define AT_READ_REG_ARRAY(a, reg, offset) ( \ - readl(((a)->hw_addr + reg) + ((offset) << 2))) - -extern char atl1c_driver_name[]; -extern char atl1c_driver_version[]; - -extern void atl1c_reinit_locked(struct atl1c_adapter *adapter); -extern s32 atl1c_reset_hw(struct atl1c_hw *hw); -extern void atl1c_set_ethtool_ops(struct net_device *netdev); -#endif /* _ATL1C_H_ */ diff --git a/drivers/net/atl1c/atl1c_ethtool.c b/drivers/net/atl1c/atl1c_ethtool.c deleted file mode 100644 index 7be884d0aaf6..000000000000 --- a/drivers/net/atl1c/atl1c_ethtool.c +++ /dev/null @@ -1,311 +0,0 @@ -/* - * Copyright(c) 2009 - 2009 Atheros Corporation. All rights reserved. - * - * Derived from Intel e1000 driver - * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., 59 - * Temple Place - Suite 330, Boston, MA 02111-1307, USA. - * - */ - -#include -#include -#include - -#include "atl1c.h" - -static int atl1c_get_settings(struct net_device *netdev, - struct ethtool_cmd *ecmd) -{ - struct atl1c_adapter *adapter = netdev_priv(netdev); - struct atl1c_hw *hw = &adapter->hw; - - ecmd->supported = (SUPPORTED_10baseT_Half | - SUPPORTED_10baseT_Full | - SUPPORTED_100baseT_Half | - SUPPORTED_100baseT_Full | - SUPPORTED_Autoneg | - SUPPORTED_TP); - if (hw->link_cap_flags & ATL1C_LINK_CAP_1000M) - ecmd->supported |= SUPPORTED_1000baseT_Full; - - ecmd->advertising = ADVERTISED_TP; - - ecmd->advertising |= hw->autoneg_advertised; - - ecmd->port = PORT_TP; - ecmd->phy_address = 0; - ecmd->transceiver = XCVR_INTERNAL; - - if (adapter->link_speed != SPEED_0) { - ethtool_cmd_speed_set(ecmd, adapter->link_speed); - if (adapter->link_duplex == FULL_DUPLEX) - ecmd->duplex = DUPLEX_FULL; - else - ecmd->duplex = DUPLEX_HALF; - } else { - ethtool_cmd_speed_set(ecmd, -1); - ecmd->duplex = -1; - } - - ecmd->autoneg = AUTONEG_ENABLE; - return 0; -} - -static int atl1c_set_settings(struct net_device *netdev, - struct ethtool_cmd *ecmd) -{ - struct atl1c_adapter *adapter = netdev_priv(netdev); - struct atl1c_hw *hw = &adapter->hw; - u16 autoneg_advertised; - - while (test_and_set_bit(__AT_RESETTING, &adapter->flags)) - msleep(1); - - if (ecmd->autoneg == AUTONEG_ENABLE) { - autoneg_advertised = ADVERTISED_Autoneg; - } else { - u32 speed = ethtool_cmd_speed(ecmd); - if (speed == SPEED_1000) { - if (ecmd->duplex != DUPLEX_FULL) { - if (netif_msg_link(adapter)) - dev_warn(&adapter->pdev->dev, - "1000M half is invalid\n"); - clear_bit(__AT_RESETTING, &adapter->flags); - return -EINVAL; - } - autoneg_advertised = ADVERTISED_1000baseT_Full; - } else if (speed == SPEED_100) { - if (ecmd->duplex == DUPLEX_FULL) - autoneg_advertised = ADVERTISED_100baseT_Full; - else - autoneg_advertised = ADVERTISED_100baseT_Half; - } else { - if (ecmd->duplex == DUPLEX_FULL) - autoneg_advertised = ADVERTISED_10baseT_Full; - else - autoneg_advertised = ADVERTISED_10baseT_Half; - } - } - - if (hw->autoneg_advertised != autoneg_advertised) { - hw->autoneg_advertised = autoneg_advertised; - if (atl1c_restart_autoneg(hw) != 0) { - if (netif_msg_link(adapter)) - dev_warn(&adapter->pdev->dev, - "ethtool speed/duplex setting failed\n"); - clear_bit(__AT_RESETTING, &adapter->flags); - return -EINVAL; - } - } - clear_bit(__AT_RESETTING, &adapter->flags); - return 0; -} - -static u32 atl1c_get_msglevel(struct net_device *netdev) -{ - struct atl1c_adapter *adapter = netdev_priv(netdev); - return adapter->msg_enable; -} - -static void atl1c_set_msglevel(struct net_device *netdev, u32 data) -{ - struct atl1c_adapter *adapter = netdev_priv(netdev); - adapter->msg_enable = data; -} - -static int atl1c_get_regs_len(struct net_device *netdev) -{ - return AT_REGS_LEN; -} - -static void atl1c_get_regs(struct net_device *netdev, - struct ethtool_regs *regs, void *p) -{ - struct atl1c_adapter *adapter = netdev_priv(netdev); - struct atl1c_hw *hw = &adapter->hw; - u32 *regs_buff = p; - u16 phy_data; - - memset(p, 0, AT_REGS_LEN); - - regs->version = 0; - AT_READ_REG(hw, REG_VPD_CAP, p++); - AT_READ_REG(hw, REG_PM_CTRL, p++); - AT_READ_REG(hw, REG_MAC_HALF_DUPLX_CTRL, p++); - AT_READ_REG(hw, REG_TWSI_CTRL, p++); - AT_READ_REG(hw, REG_PCIE_DEV_MISC_CTRL, p++); - AT_READ_REG(hw, REG_MASTER_CTRL, p++); - AT_READ_REG(hw, REG_MANUAL_TIMER_INIT, p++); - AT_READ_REG(hw, REG_IRQ_MODRT_TIMER_INIT, p++); - AT_READ_REG(hw, REG_GPHY_CTRL, p++); - AT_READ_REG(hw, REG_LINK_CTRL, p++); - AT_READ_REG(hw, REG_IDLE_STATUS, p++); - AT_READ_REG(hw, REG_MDIO_CTRL, p++); - AT_READ_REG(hw, REG_SERDES_LOCK, p++); - AT_READ_REG(hw, REG_MAC_CTRL, p++); - AT_READ_REG(hw, REG_MAC_IPG_IFG, p++); - AT_READ_REG(hw, REG_MAC_STA_ADDR, p++); - AT_READ_REG(hw, REG_MAC_STA_ADDR+4, p++); - AT_READ_REG(hw, REG_RX_HASH_TABLE, p++); - AT_READ_REG(hw, REG_RX_HASH_TABLE+4, p++); - AT_READ_REG(hw, REG_RXQ_CTRL, p++); - AT_READ_REG(hw, REG_TXQ_CTRL, p++); - AT_READ_REG(hw, REG_MTU, p++); - AT_READ_REG(hw, REG_WOL_CTRL, p++); - - atl1c_read_phy_reg(hw, MII_BMCR, &phy_data); - regs_buff[73] = (u32) phy_data; - atl1c_read_phy_reg(hw, MII_BMSR, &phy_data); - regs_buff[74] = (u32) phy_data; -} - -static int atl1c_get_eeprom_len(struct net_device *netdev) -{ - struct atl1c_adapter *adapter = netdev_priv(netdev); - - if (atl1c_check_eeprom_exist(&adapter->hw)) - return AT_EEPROM_LEN; - else - return 0; -} - -static int atl1c_get_eeprom(struct net_device *netdev, - struct ethtool_eeprom *eeprom, u8 *bytes) -{ - struct atl1c_adapter *adapter = netdev_priv(netdev); - struct atl1c_hw *hw = &adapter->hw; - u32 *eeprom_buff; - int first_dword, last_dword; - int ret_val = 0; - int i; - - if (eeprom->len == 0) - return -EINVAL; - - if (!atl1c_check_eeprom_exist(hw)) /* not exist */ - return -EINVAL; - - eeprom->magic = adapter->pdev->vendor | - (adapter->pdev->device << 16); - - first_dword = eeprom->offset >> 2; - last_dword = (eeprom->offset + eeprom->len - 1) >> 2; - - eeprom_buff = kmalloc(sizeof(u32) * - (last_dword - first_dword + 1), GFP_KERNEL); - if (eeprom_buff == NULL) - return -ENOMEM; - - for (i = first_dword; i < last_dword; i++) { - if (!atl1c_read_eeprom(hw, i * 4, &(eeprom_buff[i-first_dword]))) { - kfree(eeprom_buff); - return -EIO; - } - } - - memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 3), - eeprom->len); - kfree(eeprom_buff); - - return ret_val; - return 0; -} - -static void atl1c_get_drvinfo(struct net_device *netdev, - struct ethtool_drvinfo *drvinfo) -{ - struct atl1c_adapter *adapter = netdev_priv(netdev); - - strlcpy(drvinfo->driver, atl1c_driver_name, sizeof(drvinfo->driver)); - strlcpy(drvinfo->version, atl1c_driver_version, - sizeof(drvinfo->version)); - strlcpy(drvinfo->fw_version, "N/A", sizeof(drvinfo->fw_version)); - strlcpy(drvinfo->bus_info, pci_name(adapter->pdev), - sizeof(drvinfo->bus_info)); - drvinfo->n_stats = 0; - drvinfo->testinfo_len = 0; - drvinfo->regdump_len = atl1c_get_regs_len(netdev); - drvinfo->eedump_len = atl1c_get_eeprom_len(netdev); -} - -static void atl1c_get_wol(struct net_device *netdev, - struct ethtool_wolinfo *wol) -{ - struct atl1c_adapter *adapter = netdev_priv(netdev); - - wol->supported = WAKE_MAGIC | WAKE_PHY; - wol->wolopts = 0; - - if (adapter->wol & AT_WUFC_EX) - wol->wolopts |= WAKE_UCAST; - if (adapter->wol & AT_WUFC_MC) - wol->wolopts |= WAKE_MCAST; - if (adapter->wol & AT_WUFC_BC) - wol->wolopts |= WAKE_BCAST; - if (adapter->wol & AT_WUFC_MAG) - wol->wolopts |= WAKE_MAGIC; - if (adapter->wol & AT_WUFC_LNKC) - wol->wolopts |= WAKE_PHY; -} - -static int atl1c_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) -{ - struct atl1c_adapter *adapter = netdev_priv(netdev); - - if (wol->wolopts & (WAKE_ARP | WAKE_MAGICSECURE | - WAKE_UCAST | WAKE_BCAST | WAKE_MCAST)) - return -EOPNOTSUPP; - /* these settings will always override what we currently have */ - adapter->wol = 0; - - if (wol->wolopts & WAKE_MAGIC) - adapter->wol |= AT_WUFC_MAG; - if (wol->wolopts & WAKE_PHY) - adapter->wol |= AT_WUFC_LNKC; - - device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol); - - return 0; -} - -static int atl1c_nway_reset(struct net_device *netdev) -{ - struct atl1c_adapter *adapter = netdev_priv(netdev); - if (netif_running(netdev)) - atl1c_reinit_locked(adapter); - return 0; -} - -static const struct ethtool_ops atl1c_ethtool_ops = { - .get_settings = atl1c_get_settings, - .set_settings = atl1c_set_settings, - .get_drvinfo = atl1c_get_drvinfo, - .get_regs_len = atl1c_get_regs_len, - .get_regs = atl1c_get_regs, - .get_wol = atl1c_get_wol, - .set_wol = atl1c_set_wol, - .get_msglevel = atl1c_get_msglevel, - .set_msglevel = atl1c_set_msglevel, - .nway_reset = atl1c_nway_reset, - .get_link = ethtool_op_get_link, - .get_eeprom_len = atl1c_get_eeprom_len, - .get_eeprom = atl1c_get_eeprom, -}; - -void atl1c_set_ethtool_ops(struct net_device *netdev) -{ - SET_ETHTOOL_OPS(netdev, &atl1c_ethtool_ops); -} diff --git a/drivers/net/atl1c/atl1c_hw.c b/drivers/net/atl1c/atl1c_hw.c deleted file mode 100644 index 23f2ab0f2fa8..000000000000 --- a/drivers/net/atl1c/atl1c_hw.c +++ /dev/null @@ -1,662 +0,0 @@ -/* - * Copyright(c) 2007 Atheros Corporation. All rights reserved. - * - * Derived from Intel e1000 driver - * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., 59 - * Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ -#include -#include -#include -#include - -#include "atl1c.h" - -/* - * check_eeprom_exist - * return 1 if eeprom exist - */ -int atl1c_check_eeprom_exist(struct atl1c_hw *hw) -{ - u32 data; - - AT_READ_REG(hw, REG_TWSI_DEBUG, &data); - if (data & TWSI_DEBUG_DEV_EXIST) - return 1; - - AT_READ_REG(hw, REG_MASTER_CTRL, &data); - if (data & MASTER_CTRL_OTP_SEL) - return 1; - return 0; -} - -void atl1c_hw_set_mac_addr(struct atl1c_hw *hw) -{ - u32 value; - /* - * 00-0B-6A-F6-00-DC - * 0: 6AF600DC 1: 000B - * low dword - */ - value = (((u32)hw->mac_addr[2]) << 24) | - (((u32)hw->mac_addr[3]) << 16) | - (((u32)hw->mac_addr[4]) << 8) | - (((u32)hw->mac_addr[5])) ; - AT_WRITE_REG_ARRAY(hw, REG_MAC_STA_ADDR, 0, value); - /* hight dword */ - value = (((u32)hw->mac_addr[0]) << 8) | - (((u32)hw->mac_addr[1])) ; - AT_WRITE_REG_ARRAY(hw, REG_MAC_STA_ADDR, 1, value); -} - -/* - * atl1c_get_permanent_address - * return 0 if get valid mac address, - */ -static int atl1c_get_permanent_address(struct atl1c_hw *hw) -{ - u32 addr[2]; - u32 i; - u32 otp_ctrl_data; - u32 twsi_ctrl_data; - u32 ltssm_ctrl_data; - u32 wol_data; - u8 eth_addr[ETH_ALEN]; - u16 phy_data; - bool raise_vol = false; - - /* init */ - addr[0] = addr[1] = 0; - AT_READ_REG(hw, REG_OTP_CTRL, &otp_ctrl_data); - if (atl1c_check_eeprom_exist(hw)) { - if (hw->nic_type == athr_l1c || hw->nic_type == athr_l2c) { - /* Enable OTP CLK */ - if (!(otp_ctrl_data & OTP_CTRL_CLK_EN)) { - otp_ctrl_data |= OTP_CTRL_CLK_EN; - AT_WRITE_REG(hw, REG_OTP_CTRL, otp_ctrl_data); - AT_WRITE_FLUSH(hw); - msleep(1); - } - } - - if (hw->nic_type == athr_l2c_b || - hw->nic_type == athr_l2c_b2 || - hw->nic_type == athr_l1d) { - atl1c_write_phy_reg(hw, MII_DBG_ADDR, 0x00); - if (atl1c_read_phy_reg(hw, MII_DBG_DATA, &phy_data)) - goto out; - phy_data &= 0xFF7F; - atl1c_write_phy_reg(hw, MII_DBG_DATA, phy_data); - - atl1c_write_phy_reg(hw, MII_DBG_ADDR, 0x3B); - if (atl1c_read_phy_reg(hw, MII_DBG_DATA, &phy_data)) - goto out; - phy_data |= 0x8; - atl1c_write_phy_reg(hw, MII_DBG_DATA, phy_data); - udelay(20); - raise_vol = true; - } - /* close open bit of ReadOnly*/ - AT_READ_REG(hw, REG_LTSSM_ID_CTRL, <ssm_ctrl_data); - ltssm_ctrl_data &= ~LTSSM_ID_EN_WRO; - AT_WRITE_REG(hw, REG_LTSSM_ID_CTRL, ltssm_ctrl_data); - - /* clear any WOL settings */ - AT_WRITE_REG(hw, REG_WOL_CTRL, 0); - AT_READ_REG(hw, REG_WOL_CTRL, &wol_data); - - - AT_READ_REG(hw, REG_TWSI_CTRL, &twsi_ctrl_data); - twsi_ctrl_data |= TWSI_CTRL_SW_LDSTART; - AT_WRITE_REG(hw, REG_TWSI_CTRL, twsi_ctrl_data); - for (i = 0; i < AT_TWSI_EEPROM_TIMEOUT; i++) { - msleep(10); - AT_READ_REG(hw, REG_TWSI_CTRL, &twsi_ctrl_data); - if ((twsi_ctrl_data & TWSI_CTRL_SW_LDSTART) == 0) - break; - } - if (i >= AT_TWSI_EEPROM_TIMEOUT) - return -1; - } - /* Disable OTP_CLK */ - if ((hw->nic_type == athr_l1c || hw->nic_type == athr_l2c)) { - otp_ctrl_data &= ~OTP_CTRL_CLK_EN; - AT_WRITE_REG(hw, REG_OTP_CTRL, otp_ctrl_data); - msleep(1); - } - if (raise_vol) { - if (hw->nic_type == athr_l2c_b || - hw->nic_type == athr_l2c_b2 || - hw->nic_type == athr_l1d || - hw->nic_type == athr_l1d_2) { - atl1c_write_phy_reg(hw, MII_DBG_ADDR, 0x00); - if (atl1c_read_phy_reg(hw, MII_DBG_DATA, &phy_data)) - goto out; - phy_data |= 0x80; - atl1c_write_phy_reg(hw, MII_DBG_DATA, phy_data); - - atl1c_write_phy_reg(hw, MII_DBG_ADDR, 0x3B); - if (atl1c_read_phy_reg(hw, MII_DBG_DATA, &phy_data)) - goto out; - phy_data &= 0xFFF7; - atl1c_write_phy_reg(hw, MII_DBG_DATA, phy_data); - udelay(20); - } - } - - /* maybe MAC-address is from BIOS */ - AT_READ_REG(hw, REG_MAC_STA_ADDR, &addr[0]); - AT_READ_REG(hw, REG_MAC_STA_ADDR + 4, &addr[1]); - *(u32 *) ð_addr[2] = swab32(addr[0]); - *(u16 *) ð_addr[0] = swab16(*(u16 *)&addr[1]); - - if (is_valid_ether_addr(eth_addr)) { - memcpy(hw->perm_mac_addr, eth_addr, ETH_ALEN); - return 0; - } - -out: - return -1; -} - -bool atl1c_read_eeprom(struct atl1c_hw *hw, u32 offset, u32 *p_value) -{ - int i; - int ret = false; - u32 otp_ctrl_data; - u32 control; - u32 data; - - if (offset & 3) - return ret; /* address do not align */ - - AT_READ_REG(hw, REG_OTP_CTRL, &otp_ctrl_data); - if (!(otp_ctrl_data & OTP_CTRL_CLK_EN)) - AT_WRITE_REG(hw, REG_OTP_CTRL, - (otp_ctrl_data | OTP_CTRL_CLK_EN)); - - AT_WRITE_REG(hw, REG_EEPROM_DATA_LO, 0); - control = (offset & EEPROM_CTRL_ADDR_MASK) << EEPROM_CTRL_ADDR_SHIFT; - AT_WRITE_REG(hw, REG_EEPROM_CTRL, control); - - for (i = 0; i < 10; i++) { - udelay(100); - AT_READ_REG(hw, REG_EEPROM_CTRL, &control); - if (control & EEPROM_CTRL_RW) - break; - } - if (control & EEPROM_CTRL_RW) { - AT_READ_REG(hw, REG_EEPROM_CTRL, &data); - AT_READ_REG(hw, REG_EEPROM_DATA_LO, p_value); - data = data & 0xFFFF; - *p_value = swab32((data << 16) | (*p_value >> 16)); - ret = true; - } - if (!(otp_ctrl_data & OTP_CTRL_CLK_EN)) - AT_WRITE_REG(hw, REG_OTP_CTRL, otp_ctrl_data); - - return ret; -} -/* - * Reads the adapter's MAC address from the EEPROM - * - * hw - Struct containing variables accessed by shared code - */ -int atl1c_read_mac_addr(struct atl1c_hw *hw) -{ - int err = 0; - - err = atl1c_get_permanent_address(hw); - if (err) - random_ether_addr(hw->perm_mac_addr); - - memcpy(hw->mac_addr, hw->perm_mac_addr, sizeof(hw->perm_mac_addr)); - return 0; -} - -/* - * atl1c_hash_mc_addr - * purpose - * set hash value for a multicast address - * hash calcu processing : - * 1. calcu 32bit CRC for multicast address - * 2. reverse crc with MSB to LSB - */ -u32 atl1c_hash_mc_addr(struct atl1c_hw *hw, u8 *mc_addr) -{ - u32 crc32; - u32 value = 0; - int i; - - crc32 = ether_crc_le(6, mc_addr); - for (i = 0; i < 32; i++) - value |= (((crc32 >> i) & 1) << (31 - i)); - - return value; -} - -/* - * Sets the bit in the multicast table corresponding to the hash value. - * hw - Struct containing variables accessed by shared code - * hash_value - Multicast address hash value - */ -void atl1c_hash_set(struct atl1c_hw *hw, u32 hash_value) -{ - u32 hash_bit, hash_reg; - u32 mta; - - /* - * The HASH Table is a register array of 2 32-bit registers. - * It is treated like an array of 64 bits. We want to set - * bit BitArray[hash_value]. So we figure out what register - * the bit is in, read it, OR in the new bit, then write - * back the new value. The register is determined by the - * upper bit of the hash value and the bit within that - * register are determined by the lower 5 bits of the value. - */ - hash_reg = (hash_value >> 31) & 0x1; - hash_bit = (hash_value >> 26) & 0x1F; - - mta = AT_READ_REG_ARRAY(hw, REG_RX_HASH_TABLE, hash_reg); - - mta |= (1 << hash_bit); - - AT_WRITE_REG_ARRAY(hw, REG_RX_HASH_TABLE, hash_reg, mta); -} - -/* - * Reads the value from a PHY register - * hw - Struct containing variables accessed by shared code - * reg_addr - address of the PHY register to read - */ -int atl1c_read_phy_reg(struct atl1c_hw *hw, u16 reg_addr, u16 *phy_data) -{ - u32 val; - int i; - - val = ((u32)(reg_addr & MDIO_REG_ADDR_MASK)) << MDIO_REG_ADDR_SHIFT | - MDIO_START | MDIO_SUP_PREAMBLE | MDIO_RW | - MDIO_CLK_25_4 << MDIO_CLK_SEL_SHIFT; - - AT_WRITE_REG(hw, REG_MDIO_CTRL, val); - - for (i = 0; i < MDIO_WAIT_TIMES; i++) { - udelay(2); - AT_READ_REG(hw, REG_MDIO_CTRL, &val); - if (!(val & (MDIO_START | MDIO_BUSY))) - break; - } - if (!(val & (MDIO_START | MDIO_BUSY))) { - *phy_data = (u16)val; - return 0; - } - - return -1; -} - -/* - * Writes a value to a PHY register - * hw - Struct containing variables accessed by shared code - * reg_addr - address of the PHY register to write - * data - data to write to the PHY - */ -int atl1c_write_phy_reg(struct atl1c_hw *hw, u32 reg_addr, u16 phy_data) -{ - int i; - u32 val; - - val = ((u32)(phy_data & MDIO_DATA_MASK)) << MDIO_DATA_SHIFT | - (reg_addr & MDIO_REG_ADDR_MASK) << MDIO_REG_ADDR_SHIFT | - MDIO_SUP_PREAMBLE | MDIO_START | - MDIO_CLK_25_4 << MDIO_CLK_SEL_SHIFT; - - AT_WRITE_REG(hw, REG_MDIO_CTRL, val); - - for (i = 0; i < MDIO_WAIT_TIMES; i++) { - udelay(2); - AT_READ_REG(hw, REG_MDIO_CTRL, &val); - if (!(val & (MDIO_START | MDIO_BUSY))) - break; - } - - if (!(val & (MDIO_START | MDIO_BUSY))) - return 0; - - return -1; -} - -/* - * Configures PHY autoneg and flow control advertisement settings - * - * hw - Struct containing variables accessed by shared code - */ -static int atl1c_phy_setup_adv(struct atl1c_hw *hw) -{ - u16 mii_adv_data = ADVERTISE_DEFAULT_CAP & ~ADVERTISE_ALL; - u16 mii_giga_ctrl_data = GIGA_CR_1000T_DEFAULT_CAP & - ~GIGA_CR_1000T_SPEED_MASK; - - if (hw->autoneg_advertised & ADVERTISED_10baseT_Half) - mii_adv_data |= ADVERTISE_10HALF; - if (hw->autoneg_advertised & ADVERTISED_10baseT_Full) - mii_adv_data |= ADVERTISE_10FULL; - if (hw->autoneg_advertised & ADVERTISED_100baseT_Half) - mii_adv_data |= ADVERTISE_100HALF; - if (hw->autoneg_advertised & ADVERTISED_100baseT_Full) - mii_adv_data |= ADVERTISE_100FULL; - - if (hw->autoneg_advertised & ADVERTISED_Autoneg) - mii_adv_data |= ADVERTISE_10HALF | ADVERTISE_10FULL | - ADVERTISE_100HALF | ADVERTISE_100FULL; - - if (hw->link_cap_flags & ATL1C_LINK_CAP_1000M) { - if (hw->autoneg_advertised & ADVERTISED_1000baseT_Half) - mii_giga_ctrl_data |= ADVERTISE_1000HALF; - if (hw->autoneg_advertised & ADVERTISED_1000baseT_Full) - mii_giga_ctrl_data |= ADVERTISE_1000FULL; - if (hw->autoneg_advertised & ADVERTISED_Autoneg) - mii_giga_ctrl_data |= ADVERTISE_1000HALF | - ADVERTISE_1000FULL; - } - - if (atl1c_write_phy_reg(hw, MII_ADVERTISE, mii_adv_data) != 0 || - atl1c_write_phy_reg(hw, MII_CTRL1000, mii_giga_ctrl_data) != 0) - return -1; - return 0; -} - -void atl1c_phy_disable(struct atl1c_hw *hw) -{ - AT_WRITE_REGW(hw, REG_GPHY_CTRL, - GPHY_CTRL_PW_WOL_DIS | GPHY_CTRL_EXT_RESET); -} - -static void atl1c_phy_magic_data(struct atl1c_hw *hw) -{ - u16 data; - - data = ANA_LOOP_SEL_10BT | ANA_EN_MASK_TB | ANA_EN_10BT_IDLE | - ((1 & ANA_INTERVAL_SEL_TIMER_MASK) << - ANA_INTERVAL_SEL_TIMER_SHIFT); - - atl1c_write_phy_reg(hw, MII_DBG_ADDR, MII_ANA_CTRL_18); - atl1c_write_phy_reg(hw, MII_DBG_DATA, data); - - data = (2 & ANA_SERDES_CDR_BW_MASK) | ANA_MS_PAD_DBG | - ANA_SERDES_EN_DEEM | ANA_SERDES_SEL_HSP | ANA_SERDES_EN_PLL | - ANA_SERDES_EN_LCKDT; - - atl1c_write_phy_reg(hw, MII_DBG_ADDR, MII_ANA_CTRL_5); - atl1c_write_phy_reg(hw, MII_DBG_DATA, data); - - data = (44 & ANA_LONG_CABLE_TH_100_MASK) | - ((33 & ANA_SHORT_CABLE_TH_100_MASK) << - ANA_SHORT_CABLE_TH_100_SHIFT) | ANA_BP_BAD_LINK_ACCUM | - ANA_BP_SMALL_BW; - - atl1c_write_phy_reg(hw, MII_DBG_ADDR, MII_ANA_CTRL_54); - atl1c_write_phy_reg(hw, MII_DBG_DATA, data); - - data = (11 & ANA_IECHO_ADJ_MASK) | ((11 & ANA_IECHO_ADJ_MASK) << - ANA_IECHO_ADJ_2_SHIFT) | ((8 & ANA_IECHO_ADJ_MASK) << - ANA_IECHO_ADJ_1_SHIFT) | ((8 & ANA_IECHO_ADJ_MASK) << - ANA_IECHO_ADJ_0_SHIFT); - - atl1c_write_phy_reg(hw, MII_DBG_ADDR, MII_ANA_CTRL_4); - atl1c_write_phy_reg(hw, MII_DBG_DATA, data); - - data = ANA_RESTART_CAL | ((7 & ANA_MANUL_SWICH_ON_MASK) << - ANA_MANUL_SWICH_ON_SHIFT) | ANA_MAN_ENABLE | - ANA_SEL_HSP | ANA_EN_HB | ANA_OEN_125M; - - atl1c_write_phy_reg(hw, MII_DBG_ADDR, MII_ANA_CTRL_0); - atl1c_write_phy_reg(hw, MII_DBG_DATA, data); - - if (hw->ctrl_flags & ATL1C_HIB_DISABLE) { - atl1c_write_phy_reg(hw, MII_DBG_ADDR, MII_ANA_CTRL_41); - if (atl1c_read_phy_reg(hw, MII_DBG_DATA, &data) != 0) - return; - data &= ~ANA_TOP_PS_EN; - atl1c_write_phy_reg(hw, MII_DBG_DATA, data); - - atl1c_write_phy_reg(hw, MII_DBG_ADDR, MII_ANA_CTRL_11); - if (atl1c_read_phy_reg(hw, MII_DBG_DATA, &data) != 0) - return; - data &= ~ANA_PS_HIB_EN; - atl1c_write_phy_reg(hw, MII_DBG_DATA, data); - } -} - -int atl1c_phy_reset(struct atl1c_hw *hw) -{ - struct atl1c_adapter *adapter = hw->adapter; - struct pci_dev *pdev = adapter->pdev; - u16 phy_data; - u32 phy_ctrl_data = GPHY_CTRL_DEFAULT; - u32 mii_ier_data = IER_LINK_UP | IER_LINK_DOWN; - int err; - - if (hw->ctrl_flags & ATL1C_HIB_DISABLE) - phy_ctrl_data &= ~GPHY_CTRL_HIB_EN; - - AT_WRITE_REG(hw, REG_GPHY_CTRL, phy_ctrl_data); - AT_WRITE_FLUSH(hw); - msleep(40); - phy_ctrl_data |= GPHY_CTRL_EXT_RESET; - AT_WRITE_REG(hw, REG_GPHY_CTRL, phy_ctrl_data); - AT_WRITE_FLUSH(hw); - msleep(10); - - if (hw->nic_type == athr_l2c_b) { - atl1c_write_phy_reg(hw, MII_DBG_ADDR, 0x0A); - atl1c_read_phy_reg(hw, MII_DBG_DATA, &phy_data); - atl1c_write_phy_reg(hw, MII_DBG_DATA, phy_data & 0xDFFF); - } - - if (hw->nic_type == athr_l2c_b || - hw->nic_type == athr_l2c_b2 || - hw->nic_type == athr_l1d || - hw->nic_type == athr_l1d_2) { - atl1c_write_phy_reg(hw, MII_DBG_ADDR, 0x3B); - atl1c_read_phy_reg(hw, MII_DBG_DATA, &phy_data); - atl1c_write_phy_reg(hw, MII_DBG_DATA, phy_data & 0xFFF7); - msleep(20); - } - if (hw->nic_type == athr_l1d) { - atl1c_write_phy_reg(hw, MII_DBG_ADDR, 0x29); - atl1c_write_phy_reg(hw, MII_DBG_DATA, 0x929D); - } - if (hw->nic_type == athr_l1c || hw->nic_type == athr_l2c_b2 - || hw->nic_type == athr_l2c) { - atl1c_write_phy_reg(hw, MII_DBG_ADDR, 0x29); - atl1c_write_phy_reg(hw, MII_DBG_DATA, 0xB6DD); - } - err = atl1c_write_phy_reg(hw, MII_IER, mii_ier_data); - if (err) { - if (netif_msg_hw(adapter)) - dev_err(&pdev->dev, - "Error enable PHY linkChange Interrupt\n"); - return err; - } - if (!(hw->ctrl_flags & ATL1C_FPGA_VERSION)) - atl1c_phy_magic_data(hw); - return 0; -} - -int atl1c_phy_init(struct atl1c_hw *hw) -{ - struct atl1c_adapter *adapter = (struct atl1c_adapter *)hw->adapter; - struct pci_dev *pdev = adapter->pdev; - int ret_val; - u16 mii_bmcr_data = BMCR_RESET; - - if ((atl1c_read_phy_reg(hw, MII_PHYSID1, &hw->phy_id1) != 0) || - (atl1c_read_phy_reg(hw, MII_PHYSID2, &hw->phy_id2) != 0)) { - dev_err(&pdev->dev, "Error get phy ID\n"); - return -1; - } - switch (hw->media_type) { - case MEDIA_TYPE_AUTO_SENSOR: - ret_val = atl1c_phy_setup_adv(hw); - if (ret_val) { - if (netif_msg_link(adapter)) - dev_err(&pdev->dev, - "Error Setting up Auto-Negotiation\n"); - return ret_val; - } - mii_bmcr_data |= BMCR_ANENABLE | BMCR_ANRESTART; - break; - case MEDIA_TYPE_100M_FULL: - mii_bmcr_data |= BMCR_SPEED100 | BMCR_FULLDPLX; - break; - case MEDIA_TYPE_100M_HALF: - mii_bmcr_data |= BMCR_SPEED100; - break; - case MEDIA_TYPE_10M_FULL: - mii_bmcr_data |= BMCR_FULLDPLX; - break; - case MEDIA_TYPE_10M_HALF: - break; - default: - if (netif_msg_link(adapter)) - dev_err(&pdev->dev, "Wrong Media type %d\n", - hw->media_type); - return -1; - break; - } - - ret_val = atl1c_write_phy_reg(hw, MII_BMCR, mii_bmcr_data); - if (ret_val) - return ret_val; - hw->phy_configured = true; - - return 0; -} - -/* - * Detects the current speed and duplex settings of the hardware. - * - * hw - Struct containing variables accessed by shared code - * speed - Speed of the connection - * duplex - Duplex setting of the connection - */ -int atl1c_get_speed_and_duplex(struct atl1c_hw *hw, u16 *speed, u16 *duplex) -{ - int err; - u16 phy_data; - - /* Read PHY Specific Status Register (17) */ - err = atl1c_read_phy_reg(hw, MII_GIGA_PSSR, &phy_data); - if (err) - return err; - - if (!(phy_data & GIGA_PSSR_SPD_DPLX_RESOLVED)) - return -1; - - switch (phy_data & GIGA_PSSR_SPEED) { - case GIGA_PSSR_1000MBS: - *speed = SPEED_1000; - break; - case GIGA_PSSR_100MBS: - *speed = SPEED_100; - break; - case GIGA_PSSR_10MBS: - *speed = SPEED_10; - break; - default: - return -1; - break; - } - - if (phy_data & GIGA_PSSR_DPLX) - *duplex = FULL_DUPLEX; - else - *duplex = HALF_DUPLEX; - - return 0; -} - -int atl1c_phy_power_saving(struct atl1c_hw *hw) -{ - struct atl1c_adapter *adapter = (struct atl1c_adapter *)hw->adapter; - struct pci_dev *pdev = adapter->pdev; - int ret = 0; - u16 autoneg_advertised = ADVERTISED_10baseT_Half; - u16 save_autoneg_advertised; - u16 phy_data; - u16 mii_lpa_data; - u16 speed = SPEED_0; - u16 duplex = FULL_DUPLEX; - int i; - - atl1c_read_phy_reg(hw, MII_BMSR, &phy_data); - atl1c_read_phy_reg(hw, MII_BMSR, &phy_data); - if (phy_data & BMSR_LSTATUS) { - atl1c_read_phy_reg(hw, MII_LPA, &mii_lpa_data); - if (mii_lpa_data & LPA_10FULL) - autoneg_advertised = ADVERTISED_10baseT_Full; - else if (mii_lpa_data & LPA_10HALF) - autoneg_advertised = ADVERTISED_10baseT_Half; - else if (mii_lpa_data & LPA_100HALF) - autoneg_advertised = ADVERTISED_100baseT_Half; - else if (mii_lpa_data & LPA_100FULL) - autoneg_advertised = ADVERTISED_100baseT_Full; - - save_autoneg_advertised = hw->autoneg_advertised; - hw->phy_configured = false; - hw->autoneg_advertised = autoneg_advertised; - if (atl1c_restart_autoneg(hw) != 0) { - dev_dbg(&pdev->dev, "phy autoneg failed\n"); - ret = -1; - } - hw->autoneg_advertised = save_autoneg_advertised; - - if (mii_lpa_data) { - for (i = 0; i < AT_SUSPEND_LINK_TIMEOUT; i++) { - mdelay(100); - atl1c_read_phy_reg(hw, MII_BMSR, &phy_data); - atl1c_read_phy_reg(hw, MII_BMSR, &phy_data); - if (phy_data & BMSR_LSTATUS) { - if (atl1c_get_speed_and_duplex(hw, &speed, - &duplex) != 0) - dev_dbg(&pdev->dev, - "get speed and duplex failed\n"); - break; - } - } - } - } else { - speed = SPEED_10; - duplex = HALF_DUPLEX; - } - adapter->link_speed = speed; - adapter->link_duplex = duplex; - - return ret; -} - -int atl1c_restart_autoneg(struct atl1c_hw *hw) -{ - int err = 0; - u16 mii_bmcr_data = BMCR_RESET; - - err = atl1c_phy_setup_adv(hw); - if (err) - return err; - mii_bmcr_data |= BMCR_ANENABLE | BMCR_ANRESTART; - - return atl1c_write_phy_reg(hw, MII_BMCR, mii_bmcr_data); -} diff --git a/drivers/net/atl1c/atl1c_hw.h b/drivers/net/atl1c/atl1c_hw.h deleted file mode 100644 index 655fc6c4a8a4..000000000000 --- a/drivers/net/atl1c/atl1c_hw.h +++ /dev/null @@ -1,868 +0,0 @@ -/* - * Copyright(c) 2008 - 2009 Atheros Corporation. All rights reserved. - * - * Derived from Intel e1000 driver - * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., 59 - * Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -#ifndef _ATL1C_HW_H_ -#define _ATL1C_HW_H_ - -#include -#include - -struct atl1c_adapter; -struct atl1c_hw; - -/* function prototype */ -void atl1c_phy_disable(struct atl1c_hw *hw); -void atl1c_hw_set_mac_addr(struct atl1c_hw *hw); -int atl1c_phy_reset(struct atl1c_hw *hw); -int atl1c_read_mac_addr(struct atl1c_hw *hw); -int atl1c_get_speed_and_duplex(struct atl1c_hw *hw, u16 *speed, u16 *duplex); -u32 atl1c_hash_mc_addr(struct atl1c_hw *hw, u8 *mc_addr); -void atl1c_hash_set(struct atl1c_hw *hw, u32 hash_value); -int atl1c_read_phy_reg(struct atl1c_hw *hw, u16 reg_addr, u16 *phy_data); -int atl1c_write_phy_reg(struct atl1c_hw *hw, u32 reg_addr, u16 phy_data); -bool atl1c_read_eeprom(struct atl1c_hw *hw, u32 offset, u32 *p_value); -int atl1c_phy_init(struct atl1c_hw *hw); -int atl1c_check_eeprom_exist(struct atl1c_hw *hw); -int atl1c_restart_autoneg(struct atl1c_hw *hw); -int atl1c_phy_power_saving(struct atl1c_hw *hw); -/* register definition */ -#define REG_DEVICE_CAP 0x5C -#define DEVICE_CAP_MAX_PAYLOAD_MASK 0x7 -#define DEVICE_CAP_MAX_PAYLOAD_SHIFT 0 - -#define REG_DEVICE_CTRL 0x60 -#define DEVICE_CTRL_MAX_PAYLOAD_MASK 0x7 -#define DEVICE_CTRL_MAX_PAYLOAD_SHIFT 5 -#define DEVICE_CTRL_MAX_RREQ_SZ_MASK 0x7 -#define DEVICE_CTRL_MAX_RREQ_SZ_SHIFT 12 - -#define REG_LINK_CTRL 0x68 -#define LINK_CTRL_L0S_EN 0x01 -#define LINK_CTRL_L1_EN 0x02 -#define LINK_CTRL_EXT_SYNC 0x80 - -#define REG_VPD_CAP 0x6C -#define VPD_CAP_ID_MASK 0xff -#define VPD_CAP_ID_SHIFT 0 -#define VPD_CAP_NEXT_PTR_MASK 0xFF -#define VPD_CAP_NEXT_PTR_SHIFT 8 -#define VPD_CAP_VPD_ADDR_MASK 0x7FFF -#define VPD_CAP_VPD_ADDR_SHIFT 16 -#define VPD_CAP_VPD_FLAG 0x80000000 - -#define REG_VPD_DATA 0x70 - -#define REG_PCIE_UC_SEVERITY 0x10C -#define PCIE_UC_SERVRITY_TRN 0x00000001 -#define PCIE_UC_SERVRITY_DLP 0x00000010 -#define PCIE_UC_SERVRITY_PSN_TLP 0x00001000 -#define PCIE_UC_SERVRITY_FCP 0x00002000 -#define PCIE_UC_SERVRITY_CPL_TO 0x00004000 -#define PCIE_UC_SERVRITY_CA 0x00008000 -#define PCIE_UC_SERVRITY_UC 0x00010000 -#define PCIE_UC_SERVRITY_ROV 0x00020000 -#define PCIE_UC_SERVRITY_MLFP 0x00040000 -#define PCIE_UC_SERVRITY_ECRC 0x00080000 -#define PCIE_UC_SERVRITY_UR 0x00100000 - -#define REG_DEV_SERIALNUM_CTRL 0x200 -#define REG_DEV_MAC_SEL_MASK 0x0 /* 0:EUI; 1:MAC */ -#define REG_DEV_MAC_SEL_SHIFT 0 -#define REG_DEV_SERIAL_NUM_EN_MASK 0x1 -#define REG_DEV_SERIAL_NUM_EN_SHIFT 1 - -#define REG_TWSI_CTRL 0x218 -#define TWSI_CTRL_LD_OFFSET_MASK 0xFF -#define TWSI_CTRL_LD_OFFSET_SHIFT 0 -#define TWSI_CTRL_LD_SLV_ADDR_MASK 0x7 -#define TWSI_CTRL_LD_SLV_ADDR_SHIFT 8 -#define TWSI_CTRL_SW_LDSTART 0x800 -#define TWSI_CTRL_HW_LDSTART 0x1000 -#define TWSI_CTRL_SMB_SLV_ADDR_MASK 0x7F -#define TWSI_CTRL_SMB_SLV_ADDR_SHIFT 15 -#define TWSI_CTRL_LD_EXIST 0x400000 -#define TWSI_CTRL_READ_FREQ_SEL_MASK 0x3 -#define TWSI_CTRL_READ_FREQ_SEL_SHIFT 23 -#define TWSI_CTRL_FREQ_SEL_100K 0 -#define TWSI_CTRL_FREQ_SEL_200K 1 -#define TWSI_CTRL_FREQ_SEL_300K 2 -#define TWSI_CTRL_FREQ_SEL_400K 3 -#define TWSI_CTRL_SMB_SLV_ADDR -#define TWSI_CTRL_WRITE_FREQ_SEL_MASK 0x3 -#define TWSI_CTRL_WRITE_FREQ_SEL_SHIFT 24 - - -#define REG_PCIE_DEV_MISC_CTRL 0x21C -#define PCIE_DEV_MISC_EXT_PIPE 0x2 -#define PCIE_DEV_MISC_RETRY_BUFDIS 0x1 -#define PCIE_DEV_MISC_SPIROM_EXIST 0x4 -#define PCIE_DEV_MISC_SERDES_ENDIAN 0x8 -#define PCIE_DEV_MISC_SERDES_SEL_DIN 0x10 - -#define REG_PCIE_PHYMISC 0x1000 -#define PCIE_PHYMISC_FORCE_RCV_DET 0x4 - -#define REG_PCIE_PHYMISC2 0x1004 -#define PCIE_PHYMISC2_SERDES_CDR_MASK 0x3 -#define PCIE_PHYMISC2_SERDES_CDR_SHIFT 16 -#define PCIE_PHYMISC2_SERDES_TH_MASK 0x3 -#define PCIE_PHYMISC2_SERDES_TH_SHIFT 18 - -#define REG_TWSI_DEBUG 0x1108 -#define TWSI_DEBUG_DEV_EXIST 0x20000000 - -#define REG_EEPROM_CTRL 0x12C0 -#define EEPROM_CTRL_DATA_HI_MASK 0xFFFF -#define EEPROM_CTRL_DATA_HI_SHIFT 0 -#define EEPROM_CTRL_ADDR_MASK 0x3FF -#define EEPROM_CTRL_ADDR_SHIFT 16 -#define EEPROM_CTRL_ACK 0x40000000 -#define EEPROM_CTRL_RW 0x80000000 - -#define REG_EEPROM_DATA_LO 0x12C4 - -#define REG_OTP_CTRL 0x12F0 -#define OTP_CTRL_CLK_EN 0x0002 - -#define REG_PM_CTRL 0x12F8 -#define PM_CTRL_SDES_EN 0x00000001 -#define PM_CTRL_RBER_EN 0x00000002 -#define PM_CTRL_CLK_REQ_EN 0x00000004 -#define PM_CTRL_ASPM_L1_EN 0x00000008 -#define PM_CTRL_SERDES_L1_EN 0x00000010 -#define PM_CTRL_SERDES_PLL_L1_EN 0x00000020 -#define PM_CTRL_SERDES_PD_EX_L1 0x00000040 -#define PM_CTRL_SERDES_BUDS_RX_L1_EN 0x00000080 -#define PM_CTRL_L0S_ENTRY_TIMER_MASK 0xF -#define PM_CTRL_L0S_ENTRY_TIMER_SHIFT 8 -#define PM_CTRL_ASPM_L0S_EN 0x00001000 -#define PM_CTRL_CLK_SWH_L1 0x00002000 -#define PM_CTRL_CLK_PWM_VER1_1 0x00004000 -#define PM_CTRL_RCVR_WT_TIMER 0x00008000 -#define PM_CTRL_L1_ENTRY_TIMER_MASK 0xF -#define PM_CTRL_L1_ENTRY_TIMER_SHIFT 16 -#define PM_CTRL_PM_REQ_TIMER_MASK 0xF -#define PM_CTRL_PM_REQ_TIMER_SHIFT 20 -#define PM_CTRL_LCKDET_TIMER_MASK 0xF -#define PM_CTRL_LCKDET_TIMER_SHIFT 24 -#define PM_CTRL_EN_BUFS_RX_L0S 0x10000000 -#define PM_CTRL_SA_DLY_EN 0x20000000 -#define PM_CTRL_MAC_ASPM_CHK 0x40000000 -#define PM_CTRL_HOTRST 0x80000000 - -#define REG_LTSSM_ID_CTRL 0x12FC -#define LTSSM_ID_EN_WRO 0x1000 -/* Selene Master Control Register */ -#define REG_MASTER_CTRL 0x1400 -#define MASTER_CTRL_SOFT_RST 0x1 -#define MASTER_CTRL_TEST_MODE_MASK 0x3 -#define MASTER_CTRL_TEST_MODE_SHIFT 2 -#define MASTER_CTRL_BERT_START 0x10 -#define MASTER_CTRL_OOB_DIS_OFF 0x40 -#define MASTER_CTRL_SA_TIMER_EN 0x80 -#define MASTER_CTRL_MTIMER_EN 0x100 -#define MASTER_CTRL_MANUAL_INT 0x200 -#define MASTER_CTRL_TX_ITIMER_EN 0x400 -#define MASTER_CTRL_RX_ITIMER_EN 0x800 -#define MASTER_CTRL_CLK_SEL_DIS 0x1000 -#define MASTER_CTRL_CLK_SWH_MODE 0x2000 -#define MASTER_CTRL_INT_RDCLR 0x4000 -#define MASTER_CTRL_REV_NUM_SHIFT 16 -#define MASTER_CTRL_REV_NUM_MASK 0xff -#define MASTER_CTRL_DEV_ID_SHIFT 24 -#define MASTER_CTRL_DEV_ID_MASK 0x7f -#define MASTER_CTRL_OTP_SEL 0x80000000 - -/* Timer Initial Value Register */ -#define REG_MANUAL_TIMER_INIT 0x1404 - -/* IRQ ModeratorTimer Initial Value Register */ -#define REG_IRQ_MODRT_TIMER_INIT 0x1408 -#define IRQ_MODRT_TIMER_MASK 0xffff -#define IRQ_MODRT_TX_TIMER_SHIFT 0 -#define IRQ_MODRT_RX_TIMER_SHIFT 16 - -#define REG_GPHY_CTRL 0x140C -#define GPHY_CTRL_EXT_RESET 0x1 -#define GPHY_CTRL_RTL_MODE 0x2 -#define GPHY_CTRL_LED_MODE 0x4 -#define GPHY_CTRL_ANEG_NOW 0x8 -#define GPHY_CTRL_REV_ANEG 0x10 -#define GPHY_CTRL_GATE_25M_EN 0x20 -#define GPHY_CTRL_LPW_EXIT 0x40 -#define GPHY_CTRL_PHY_IDDQ 0x80 -#define GPHY_CTRL_PHY_IDDQ_DIS 0x100 -#define GPHY_CTRL_GIGA_DIS 0x200 -#define GPHY_CTRL_HIB_EN 0x400 -#define GPHY_CTRL_HIB_PULSE 0x800 -#define GPHY_CTRL_SEL_ANA_RST 0x1000 -#define GPHY_CTRL_PHY_PLL_ON 0x2000 -#define GPHY_CTRL_PWDOWN_HW 0x4000 -#define GPHY_CTRL_PHY_PLL_BYPASS 0x8000 - -#define GPHY_CTRL_DEFAULT ( \ - GPHY_CTRL_SEL_ANA_RST |\ - GPHY_CTRL_HIB_PULSE |\ - GPHY_CTRL_HIB_EN) - -#define GPHY_CTRL_PW_WOL_DIS ( \ - GPHY_CTRL_SEL_ANA_RST |\ - GPHY_CTRL_HIB_PULSE |\ - GPHY_CTRL_HIB_EN |\ - GPHY_CTRL_PWDOWN_HW |\ - GPHY_CTRL_PHY_IDDQ) - -#define GPHY_CTRL_POWER_SAVING ( \ - GPHY_CTRL_SEL_ANA_RST |\ - GPHY_CTRL_HIB_EN |\ - GPHY_CTRL_HIB_PULSE |\ - GPHY_CTRL_PWDOWN_HW |\ - GPHY_CTRL_PHY_IDDQ) -/* Block IDLE Status Register */ -#define REG_IDLE_STATUS 0x1410 -#define IDLE_STATUS_MASK 0x00FF -#define IDLE_STATUS_RXMAC_NO_IDLE 0x1 -#define IDLE_STATUS_TXMAC_NO_IDLE 0x2 -#define IDLE_STATUS_RXQ_NO_IDLE 0x4 -#define IDLE_STATUS_TXQ_NO_IDLE 0x8 -#define IDLE_STATUS_DMAR_NO_IDLE 0x10 -#define IDLE_STATUS_DMAW_NO_IDLE 0x20 -#define IDLE_STATUS_SMB_NO_IDLE 0x40 -#define IDLE_STATUS_CMB_NO_IDLE 0x80 - -/* MDIO Control Register */ -#define REG_MDIO_CTRL 0x1414 -#define MDIO_DATA_MASK 0xffff /* On MDIO write, the 16-bit - * control data to write to PHY - * MII management register */ -#define MDIO_DATA_SHIFT 0 /* On MDIO read, the 16-bit - * status data that was read - * from the PHY MII management register */ -#define MDIO_REG_ADDR_MASK 0x1f /* MDIO register address */ -#define MDIO_REG_ADDR_SHIFT 16 -#define MDIO_RW 0x200000 /* 1: read, 0: write */ -#define MDIO_SUP_PREAMBLE 0x400000 /* Suppress preamble */ -#define MDIO_START 0x800000 /* Write 1 to initiate the MDIO - * master. And this bit is self - * cleared after one cycle */ -#define MDIO_CLK_SEL_SHIFT 24 -#define MDIO_CLK_25_4 0 -#define MDIO_CLK_25_6 2 -#define MDIO_CLK_25_8 3 -#define MDIO_CLK_25_10 4 -#define MDIO_CLK_25_14 5 -#define MDIO_CLK_25_20 6 -#define MDIO_CLK_25_28 7 -#define MDIO_BUSY 0x8000000 -#define MDIO_AP_EN 0x10000000 -#define MDIO_WAIT_TIMES 10 - -/* MII PHY Status Register */ -#define REG_PHY_STATUS 0x1418 -#define PHY_GENERAL_STATUS_MASK 0xFFFF -#define PHY_STATUS_RECV_ENABLE 0x0001 -#define PHY_OE_PWSP_STATUS_MASK 0x07FF -#define PHY_OE_PWSP_STATUS_SHIFT 16 -#define PHY_STATUS_LPW_STATE 0x80000000 -/* BIST Control and Status Register0 (for the Packet Memory) */ -#define REG_BIST0_CTRL 0x141c -#define BIST0_NOW 0x1 -#define BIST0_SRAM_FAIL 0x2 /* 1: The SRAM failure is - * un-repairable because - * it has address decoder - * failure or more than 1 cell - * stuck-to-x failure */ -#define BIST0_FUSE_FLAG 0x4 - -/* BIST Control and Status Register1(for the retry buffer of PCI Express) */ -#define REG_BIST1_CTRL 0x1420 -#define BIST1_NOW 0x1 -#define BIST1_SRAM_FAIL 0x2 -#define BIST1_FUSE_FLAG 0x4 - -/* SerDes Lock Detect Control and Status Register */ -#define REG_SERDES_LOCK 0x1424 -#define SERDES_LOCK_DETECT 0x1 /* SerDes lock detected. This signal - * comes from Analog SerDes */ -#define SERDES_LOCK_DETECT_EN 0x2 /* 1: Enable SerDes Lock detect function */ -#define SERDES_LOCK_STS_SELFB_PLL_SHIFT 0xE -#define SERDES_LOCK_STS_SELFB_PLL_MASK 0x3 -#define SERDES_OVCLK_18_25 0x0 -#define SERDES_OVCLK_12_18 0x1 -#define SERDES_OVCLK_0_4 0x2 -#define SERDES_OVCLK_4_12 0x3 -#define SERDES_MAC_CLK_SLOWDOWN 0x20000 -#define SERDES_PYH_CLK_SLOWDOWN 0x40000 - -/* MAC Control Register */ -#define REG_MAC_CTRL 0x1480 -#define MAC_CTRL_TX_EN 0x1 -#define MAC_CTRL_RX_EN 0x2 -#define MAC_CTRL_TX_FLOW 0x4 -#define MAC_CTRL_RX_FLOW 0x8 -#define MAC_CTRL_LOOPBACK 0x10 -#define MAC_CTRL_DUPLX 0x20 -#define MAC_CTRL_ADD_CRC 0x40 -#define MAC_CTRL_PAD 0x80 -#define MAC_CTRL_LENCHK 0x100 -#define MAC_CTRL_HUGE_EN 0x200 -#define MAC_CTRL_PRMLEN_SHIFT 10 -#define MAC_CTRL_PRMLEN_MASK 0xf -#define MAC_CTRL_RMV_VLAN 0x4000 -#define MAC_CTRL_PROMIS_EN 0x8000 -#define MAC_CTRL_TX_PAUSE 0x10000 -#define MAC_CTRL_SCNT 0x20000 -#define MAC_CTRL_SRST_TX 0x40000 -#define MAC_CTRL_TX_SIMURST 0x80000 -#define MAC_CTRL_SPEED_SHIFT 20 -#define MAC_CTRL_SPEED_MASK 0x3 -#define MAC_CTRL_DBG_TX_BKPRESURE 0x400000 -#define MAC_CTRL_TX_HUGE 0x800000 -#define MAC_CTRL_RX_CHKSUM_EN 0x1000000 -#define MAC_CTRL_MC_ALL_EN 0x2000000 -#define MAC_CTRL_BC_EN 0x4000000 -#define MAC_CTRL_DBG 0x8000000 -#define MAC_CTRL_SINGLE_PAUSE_EN 0x10000000 -#define MAC_CTRL_HASH_ALG_CRC32 0x20000000 -#define MAC_CTRL_SPEED_MODE_SW 0x40000000 - -/* MAC IPG/IFG Control Register */ -#define REG_MAC_IPG_IFG 0x1484 -#define MAC_IPG_IFG_IPGT_SHIFT 0 /* Desired back to back - * inter-packet gap. The - * default is 96-bit time */ -#define MAC_IPG_IFG_IPGT_MASK 0x7f -#define MAC_IPG_IFG_MIFG_SHIFT 8 /* Minimum number of IFG to - * enforce in between RX frames */ -#define MAC_IPG_IFG_MIFG_MASK 0xff /* Frame gap below such IFP is dropped */ -#define MAC_IPG_IFG_IPGR1_SHIFT 16 /* 64bit Carrier-Sense window */ -#define MAC_IPG_IFG_IPGR1_MASK 0x7f -#define MAC_IPG_IFG_IPGR2_SHIFT 24 /* 96-bit IPG window */ -#define MAC_IPG_IFG_IPGR2_MASK 0x7f - -/* MAC STATION ADDRESS */ -#define REG_MAC_STA_ADDR 0x1488 - -/* Hash table for multicast address */ -#define REG_RX_HASH_TABLE 0x1490 - -/* MAC Half-Duplex Control Register */ -#define REG_MAC_HALF_DUPLX_CTRL 0x1498 -#define MAC_HALF_DUPLX_CTRL_LCOL_SHIFT 0 /* Collision Window */ -#define MAC_HALF_DUPLX_CTRL_LCOL_MASK 0x3ff -#define MAC_HALF_DUPLX_CTRL_RETRY_SHIFT 12 -#define MAC_HALF_DUPLX_CTRL_RETRY_MASK 0xf -#define MAC_HALF_DUPLX_CTRL_EXC_DEF_EN 0x10000 -#define MAC_HALF_DUPLX_CTRL_NO_BACK_C 0x20000 -#define MAC_HALF_DUPLX_CTRL_NO_BACK_P 0x40000 /* No back-off on backpressure, - * immediately start the - * transmission after back pressure */ -#define MAC_HALF_DUPLX_CTRL_ABEBE 0x80000 /* 1: Alternative Binary Exponential Back-off Enabled */ -#define MAC_HALF_DUPLX_CTRL_ABEBT_SHIFT 20 /* Maximum binary exponential number */ -#define MAC_HALF_DUPLX_CTRL_ABEBT_MASK 0xf -#define MAC_HALF_DUPLX_CTRL_JAMIPG_SHIFT 24 /* IPG to start JAM for collision based flow control in half-duplex */ -#define MAC_HALF_DUPLX_CTRL_JAMIPG_MASK 0xf /* mode. In unit of 8-bit time */ - -/* Maximum Frame Length Control Register */ -#define REG_MTU 0x149c - -/* Wake-On-Lan control register */ -#define REG_WOL_CTRL 0x14a0 -#define WOL_PATTERN_EN 0x00000001 -#define WOL_PATTERN_PME_EN 0x00000002 -#define WOL_MAGIC_EN 0x00000004 -#define WOL_MAGIC_PME_EN 0x00000008 -#define WOL_LINK_CHG_EN 0x00000010 -#define WOL_LINK_CHG_PME_EN 0x00000020 -#define WOL_PATTERN_ST 0x00000100 -#define WOL_MAGIC_ST 0x00000200 -#define WOL_LINKCHG_ST 0x00000400 -#define WOL_CLK_SWITCH_EN 0x00008000 -#define WOL_PT0_EN 0x00010000 -#define WOL_PT1_EN 0x00020000 -#define WOL_PT2_EN 0x00040000 -#define WOL_PT3_EN 0x00080000 -#define WOL_PT4_EN 0x00100000 -#define WOL_PT5_EN 0x00200000 -#define WOL_PT6_EN 0x00400000 - -/* WOL Length ( 2 DWORD ) */ -#define REG_WOL_PATTERN_LEN 0x14a4 -#define WOL_PT_LEN_MASK 0x7f -#define WOL_PT0_LEN_SHIFT 0 -#define WOL_PT1_LEN_SHIFT 8 -#define WOL_PT2_LEN_SHIFT 16 -#define WOL_PT3_LEN_SHIFT 24 -#define WOL_PT4_LEN_SHIFT 0 -#define WOL_PT5_LEN_SHIFT 8 -#define WOL_PT6_LEN_SHIFT 16 - -/* Internal SRAM Partition Register */ -#define RFDX_HEAD_ADDR_MASK 0x03FF -#define RFDX_HARD_ADDR_SHIFT 0 -#define RFDX_TAIL_ADDR_MASK 0x03FF -#define RFDX_TAIL_ADDR_SHIFT 16 - -#define REG_SRAM_RFD0_INFO 0x1500 -#define REG_SRAM_RFD1_INFO 0x1504 -#define REG_SRAM_RFD2_INFO 0x1508 -#define REG_SRAM_RFD3_INFO 0x150C - -#define REG_RFD_NIC_LEN 0x1510 /* In 8-bytes */ -#define RFD_NIC_LEN_MASK 0x03FF - -#define REG_SRAM_TRD_ADDR 0x1518 -#define TPD_HEAD_ADDR_MASK 0x03FF -#define TPD_HEAD_ADDR_SHIFT 0 -#define TPD_TAIL_ADDR_MASK 0x03FF -#define TPD_TAIL_ADDR_SHIFT 16 - -#define REG_SRAM_TRD_LEN 0x151C /* In 8-bytes */ -#define TPD_NIC_LEN_MASK 0x03FF - -#define REG_SRAM_RXF_ADDR 0x1520 -#define REG_SRAM_RXF_LEN 0x1524 -#define REG_SRAM_TXF_ADDR 0x1528 -#define REG_SRAM_TXF_LEN 0x152C -#define REG_SRAM_TCPH_ADDR 0x1530 -#define REG_SRAM_PKTH_ADDR 0x1532 - -/* - * Load Ptr Register - * Software sets this bit after the initialization of the head and tail */ -#define REG_LOAD_PTR 0x1534 - -/* - * addresses of all descriptors, as well as the following descriptor - * control register, which triggers each function block to load the head - * pointer to prepare for the operation. This bit is then self-cleared - * after one cycle. - */ -#define REG_RX_BASE_ADDR_HI 0x1540 -#define REG_TX_BASE_ADDR_HI 0x1544 -#define REG_SMB_BASE_ADDR_HI 0x1548 -#define REG_SMB_BASE_ADDR_LO 0x154C -#define REG_RFD0_HEAD_ADDR_LO 0x1550 -#define REG_RFD1_HEAD_ADDR_LO 0x1554 -#define REG_RFD2_HEAD_ADDR_LO 0x1558 -#define REG_RFD3_HEAD_ADDR_LO 0x155C -#define REG_RFD_RING_SIZE 0x1560 -#define RFD_RING_SIZE_MASK 0x0FFF -#define REG_RX_BUF_SIZE 0x1564 -#define RX_BUF_SIZE_MASK 0xFFFF -#define REG_RRD0_HEAD_ADDR_LO 0x1568 -#define REG_RRD1_HEAD_ADDR_LO 0x156C -#define REG_RRD2_HEAD_ADDR_LO 0x1570 -#define REG_RRD3_HEAD_ADDR_LO 0x1574 -#define REG_RRD_RING_SIZE 0x1578 -#define RRD_RING_SIZE_MASK 0x0FFF -#define REG_HTPD_HEAD_ADDR_LO 0x157C -#define REG_NTPD_HEAD_ADDR_LO 0x1580 -#define REG_TPD_RING_SIZE 0x1584 -#define TPD_RING_SIZE_MASK 0xFFFF -#define REG_CMB_BASE_ADDR_LO 0x1588 - -/* RSS about */ -#define REG_RSS_KEY0 0x14B0 -#define REG_RSS_KEY1 0x14B4 -#define REG_RSS_KEY2 0x14B8 -#define REG_RSS_KEY3 0x14BC -#define REG_RSS_KEY4 0x14C0 -#define REG_RSS_KEY5 0x14C4 -#define REG_RSS_KEY6 0x14C8 -#define REG_RSS_KEY7 0x14CC -#define REG_RSS_KEY8 0x14D0 -#define REG_RSS_KEY9 0x14D4 -#define REG_IDT_TABLE0 0x14E0 -#define REG_IDT_TABLE1 0x14E4 -#define REG_IDT_TABLE2 0x14E8 -#define REG_IDT_TABLE3 0x14EC -#define REG_IDT_TABLE4 0x14F0 -#define REG_IDT_TABLE5 0x14F4 -#define REG_IDT_TABLE6 0x14F8 -#define REG_IDT_TABLE7 0x14FC -#define REG_IDT_TABLE REG_IDT_TABLE0 -#define REG_RSS_HASH_VALUE 0x15B0 -#define REG_RSS_HASH_FLAG 0x15B4 -#define REG_BASE_CPU_NUMBER 0x15B8 - -/* TXQ Control Register */ -#define REG_TXQ_CTRL 0x1590 -#define TXQ_NUM_TPD_BURST_MASK 0xF -#define TXQ_NUM_TPD_BURST_SHIFT 0 -#define TXQ_CTRL_IP_OPTION_EN 0x10 -#define TXQ_CTRL_EN 0x20 -#define TXQ_CTRL_ENH_MODE 0x40 -#define TXQ_CTRL_LS_8023_EN 0x80 -#define TXQ_TXF_BURST_NUM_SHIFT 16 -#define TXQ_TXF_BURST_NUM_MASK 0xFFFF - -/* Jumbo packet Threshold for task offload */ -#define REG_TX_TSO_OFFLOAD_THRESH 0x1594 /* In 8-bytes */ -#define TX_TSO_OFFLOAD_THRESH_MASK 0x07FF - -#define REG_TXF_WATER_MARK 0x1598 /* In 8-bytes */ -#define TXF_WATER_MARK_MASK 0x0FFF -#define TXF_LOW_WATER_MARK_SHIFT 0 -#define TXF_HIGH_WATER_MARK_SHIFT 16 -#define TXQ_CTRL_BURST_MODE_EN 0x80000000 - -#define REG_THRUPUT_MON_CTRL 0x159C -#define THRUPUT_MON_RATE_MASK 0x3 -#define THRUPUT_MON_RATE_SHIFT 0 -#define THRUPUT_MON_EN 0x80 - -/* RXQ Control Register */ -#define REG_RXQ_CTRL 0x15A0 -#define ASPM_THRUPUT_LIMIT_MASK 0x3 -#define ASPM_THRUPUT_LIMIT_SHIFT 0 -#define ASPM_THRUPUT_LIMIT_NO 0x00 -#define ASPM_THRUPUT_LIMIT_1M 0x01 -#define ASPM_THRUPUT_LIMIT_10M 0x02 -#define ASPM_THRUPUT_LIMIT_100M 0x04 -#define RXQ1_CTRL_EN 0x10 -#define RXQ2_CTRL_EN 0x20 -#define RXQ3_CTRL_EN 0x40 -#define IPV6_CHKSUM_CTRL_EN 0x80 -#define RSS_HASH_BITS_MASK 0x00FF -#define RSS_HASH_BITS_SHIFT 8 -#define RSS_HASH_IPV4 0x10000 -#define RSS_HASH_IPV4_TCP 0x20000 -#define RSS_HASH_IPV6 0x40000 -#define RSS_HASH_IPV6_TCP 0x80000 -#define RXQ_RFD_BURST_NUM_MASK 0x003F -#define RXQ_RFD_BURST_NUM_SHIFT 20 -#define RSS_MODE_MASK 0x0003 -#define RSS_MODE_SHIFT 26 -#define RSS_NIP_QUEUE_SEL_MASK 0x1 -#define RSS_NIP_QUEUE_SEL_SHIFT 28 -#define RRS_HASH_CTRL_EN 0x20000000 -#define RX_CUT_THRU_EN 0x40000000 -#define RXQ_CTRL_EN 0x80000000 - -#define REG_RFD_FREE_THRESH 0x15A4 -#define RFD_FREE_THRESH_MASK 0x003F -#define RFD_FREE_HI_THRESH_SHIFT 0 -#define RFD_FREE_LO_THRESH_SHIFT 6 - -/* RXF flow control register */ -#define REG_RXQ_RXF_PAUSE_THRESH 0x15A8 -#define RXQ_RXF_PAUSE_TH_HI_SHIFT 0 -#define RXQ_RXF_PAUSE_TH_HI_MASK 0x0FFF -#define RXQ_RXF_PAUSE_TH_LO_SHIFT 16 -#define RXQ_RXF_PAUSE_TH_LO_MASK 0x0FFF - -#define REG_RXD_DMA_CTRL 0x15AC -#define RXD_DMA_THRESH_MASK 0x0FFF /* In 8-bytes */ -#define RXD_DMA_THRESH_SHIFT 0 -#define RXD_DMA_DOWN_TIMER_MASK 0xFFFF -#define RXD_DMA_DOWN_TIMER_SHIFT 16 - -/* DMA Engine Control Register */ -#define REG_DMA_CTRL 0x15C0 -#define DMA_CTRL_DMAR_IN_ORDER 0x1 -#define DMA_CTRL_DMAR_ENH_ORDER 0x2 -#define DMA_CTRL_DMAR_OUT_ORDER 0x4 -#define DMA_CTRL_RCB_VALUE 0x8 -#define DMA_CTRL_DMAR_BURST_LEN_MASK 0x0007 -#define DMA_CTRL_DMAR_BURST_LEN_SHIFT 4 -#define DMA_CTRL_DMAW_BURST_LEN_MASK 0x0007 -#define DMA_CTRL_DMAW_BURST_LEN_SHIFT 7 -#define DMA_CTRL_DMAR_REQ_PRI 0x400 -#define DMA_CTRL_DMAR_DLY_CNT_MASK 0x001F -#define DMA_CTRL_DMAR_DLY_CNT_SHIFT 11 -#define DMA_CTRL_DMAW_DLY_CNT_MASK 0x000F -#define DMA_CTRL_DMAW_DLY_CNT_SHIFT 16 -#define DMA_CTRL_CMB_EN 0x100000 -#define DMA_CTRL_SMB_EN 0x200000 -#define DMA_CTRL_CMB_NOW 0x400000 -#define MAC_CTRL_SMB_DIS 0x1000000 -#define DMA_CTRL_SMB_NOW 0x80000000 - -/* CMB/SMB Control Register */ -#define REG_SMB_STAT_TIMER 0x15C4 /* 2us resolution */ -#define SMB_STAT_TIMER_MASK 0xFFFFFF -#define REG_CMB_TPD_THRESH 0x15C8 -#define CMB_TPD_THRESH_MASK 0xFFFF -#define REG_CMB_TX_TIMER 0x15CC /* 2us resolution */ -#define CMB_TX_TIMER_MASK 0xFFFF - -/* Mail box */ -#define MB_RFDX_PROD_IDX_MASK 0xFFFF -#define REG_MB_RFD0_PROD_IDX 0x15E0 -#define REG_MB_RFD1_PROD_IDX 0x15E4 -#define REG_MB_RFD2_PROD_IDX 0x15E8 -#define REG_MB_RFD3_PROD_IDX 0x15EC - -#define MB_PRIO_PROD_IDX_MASK 0xFFFF -#define REG_MB_PRIO_PROD_IDX 0x15F0 -#define MB_HTPD_PROD_IDX_SHIFT 0 -#define MB_NTPD_PROD_IDX_SHIFT 16 - -#define MB_PRIO_CONS_IDX_MASK 0xFFFF -#define REG_MB_PRIO_CONS_IDX 0x15F4 -#define MB_HTPD_CONS_IDX_SHIFT 0 -#define MB_NTPD_CONS_IDX_SHIFT 16 - -#define REG_MB_RFD01_CONS_IDX 0x15F8 -#define MB_RFD0_CONS_IDX_MASK 0x0000FFFF -#define MB_RFD1_CONS_IDX_MASK 0xFFFF0000 -#define REG_MB_RFD23_CONS_IDX 0x15FC -#define MB_RFD2_CONS_IDX_MASK 0x0000FFFF -#define MB_RFD3_CONS_IDX_MASK 0xFFFF0000 - -/* Interrupt Status Register */ -#define REG_ISR 0x1600 -#define ISR_SMB 0x00000001 -#define ISR_TIMER 0x00000002 -/* - * Software manual interrupt, for debug. Set when SW_MAN_INT_EN is set - * in Table 51 Selene Master Control Register (Offset 0x1400). - */ -#define ISR_MANUAL 0x00000004 -#define ISR_HW_RXF_OV 0x00000008 /* RXF overflow interrupt */ -#define ISR_RFD0_UR 0x00000010 /* RFD0 under run */ -#define ISR_RFD1_UR 0x00000020 -#define ISR_RFD2_UR 0x00000040 -#define ISR_RFD3_UR 0x00000080 -#define ISR_TXF_UR 0x00000100 -#define ISR_DMAR_TO_RST 0x00000200 -#define ISR_DMAW_TO_RST 0x00000400 -#define ISR_TX_CREDIT 0x00000800 -#define ISR_GPHY 0x00001000 -/* GPHY low power state interrupt */ -#define ISR_GPHY_LPW 0x00002000 -#define ISR_TXQ_TO_RST 0x00004000 -#define ISR_TX_PKT 0x00008000 -#define ISR_RX_PKT_0 0x00010000 -#define ISR_RX_PKT_1 0x00020000 -#define ISR_RX_PKT_2 0x00040000 -#define ISR_RX_PKT_3 0x00080000 -#define ISR_MAC_RX 0x00100000 -#define ISR_MAC_TX 0x00200000 -#define ISR_UR_DETECTED 0x00400000 -#define ISR_FERR_DETECTED 0x00800000 -#define ISR_NFERR_DETECTED 0x01000000 -#define ISR_CERR_DETECTED 0x02000000 -#define ISR_PHY_LINKDOWN 0x04000000 -#define ISR_DIS_INT 0x80000000 - -/* Interrupt Mask Register */ -#define REG_IMR 0x1604 - -#define IMR_NORMAL_MASK (\ - ISR_MANUAL |\ - ISR_HW_RXF_OV |\ - ISR_RFD0_UR |\ - ISR_TXF_UR |\ - ISR_DMAR_TO_RST |\ - ISR_TXQ_TO_RST |\ - ISR_DMAW_TO_RST |\ - ISR_GPHY |\ - ISR_TX_PKT |\ - ISR_RX_PKT_0 |\ - ISR_GPHY_LPW |\ - ISR_PHY_LINKDOWN) - -#define ISR_RX_PKT (\ - ISR_RX_PKT_0 |\ - ISR_RX_PKT_1 |\ - ISR_RX_PKT_2 |\ - ISR_RX_PKT_3) - -#define ISR_OVER (\ - ISR_RFD0_UR |\ - ISR_RFD1_UR |\ - ISR_RFD2_UR |\ - ISR_RFD3_UR |\ - ISR_HW_RXF_OV |\ - ISR_TXF_UR) - -#define ISR_ERROR (\ - ISR_DMAR_TO_RST |\ - ISR_TXQ_TO_RST |\ - ISR_DMAW_TO_RST |\ - ISR_PHY_LINKDOWN) - -#define REG_INT_RETRIG_TIMER 0x1608 -#define INT_RETRIG_TIMER_MASK 0xFFFF - -#define REG_HDS_CTRL 0x160C -#define HDS_CTRL_EN 0x0001 -#define HDS_CTRL_BACKFILLSIZE_SHIFT 8 -#define HDS_CTRL_BACKFILLSIZE_MASK 0x0FFF -#define HDS_CTRL_MAX_HDRSIZE_SHIFT 20 -#define HDS_CTRL_MAC_HDRSIZE_MASK 0x0FFF - -#define REG_MAC_RX_STATUS_BIN 0x1700 -#define REG_MAC_RX_STATUS_END 0x175c -#define REG_MAC_TX_STATUS_BIN 0x1760 -#define REG_MAC_TX_STATUS_END 0x17c0 - -#define REG_CLK_GATING_CTRL 0x1814 -#define CLK_GATING_DMAW_EN 0x0001 -#define CLK_GATING_DMAR_EN 0x0002 -#define CLK_GATING_TXQ_EN 0x0004 -#define CLK_GATING_RXQ_EN 0x0008 -#define CLK_GATING_TXMAC_EN 0x0010 -#define CLK_GATING_RXMAC_EN 0x0020 - -#define CLK_GATING_EN_ALL (CLK_GATING_DMAW_EN |\ - CLK_GATING_DMAR_EN |\ - CLK_GATING_TXQ_EN |\ - CLK_GATING_RXQ_EN |\ - CLK_GATING_TXMAC_EN|\ - CLK_GATING_RXMAC_EN) - -/* DEBUG ADDR */ -#define REG_DEBUG_DATA0 0x1900 -#define REG_DEBUG_DATA1 0x1904 - -#define L1D_MPW_PHYID1 0xD01C /* V7 */ -#define L1D_MPW_PHYID2 0xD01D /* V1-V6 */ -#define L1D_MPW_PHYID3 0xD01E /* V8 */ - - -/* Autoneg Advertisement Register */ -#define ADVERTISE_DEFAULT_CAP \ - (ADVERTISE_ALL | ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM) - -/* 1000BASE-T Control Register */ -#define GIGA_CR_1000T_REPEATER_DTE 0x0400 /* 1=Repeater/switch device port 0=DTE device */ - -#define GIGA_CR_1000T_MS_VALUE 0x0800 /* 1=Configure PHY as Master 0=Configure PHY as Slave */ -#define GIGA_CR_1000T_MS_ENABLE 0x1000 /* 1=Master/Slave manual config value 0=Automatic Master/Slave config */ -#define GIGA_CR_1000T_TEST_MODE_NORMAL 0x0000 /* Normal Operation */ -#define GIGA_CR_1000T_TEST_MODE_1 0x2000 /* Transmit Waveform test */ -#define GIGA_CR_1000T_TEST_MODE_2 0x4000 /* Master Transmit Jitter test */ -#define GIGA_CR_1000T_TEST_MODE_3 0x6000 /* Slave Transmit Jitter test */ -#define GIGA_CR_1000T_TEST_MODE_4 0x8000 /* Transmitter Distortion test */ -#define GIGA_CR_1000T_SPEED_MASK 0x0300 -#define GIGA_CR_1000T_DEFAULT_CAP 0x0300 - -/* PHY Specific Status Register */ -#define MII_GIGA_PSSR 0x11 -#define GIGA_PSSR_SPD_DPLX_RESOLVED 0x0800 /* 1=Speed & Duplex resolved */ -#define GIGA_PSSR_DPLX 0x2000 /* 1=Duplex 0=Half Duplex */ -#define GIGA_PSSR_SPEED 0xC000 /* Speed, bits 14:15 */ -#define GIGA_PSSR_10MBS 0x0000 /* 00=10Mbs */ -#define GIGA_PSSR_100MBS 0x4000 /* 01=100Mbs */ -#define GIGA_PSSR_1000MBS 0x8000 /* 10=1000Mbs */ - -/* PHY Interrupt Enable Register */ -#define MII_IER 0x12 -#define IER_LINK_UP 0x0400 -#define IER_LINK_DOWN 0x0800 - -/* PHY Interrupt Status Register */ -#define MII_ISR 0x13 -#define ISR_LINK_UP 0x0400 -#define ISR_LINK_DOWN 0x0800 - -/* Cable-Detect-Test Control Register */ -#define MII_CDTC 0x16 -#define CDTC_EN_OFF 0 /* sc */ -#define CDTC_EN_BITS 1 -#define CDTC_PAIR_OFF 8 -#define CDTC_PAIR_BIT 2 - -/* Cable-Detect-Test Status Register */ -#define MII_CDTS 0x1C -#define CDTS_STATUS_OFF 8 -#define CDTS_STATUS_BITS 2 -#define CDTS_STATUS_NORMAL 0 -#define CDTS_STATUS_SHORT 1 -#define CDTS_STATUS_OPEN 2 -#define CDTS_STATUS_INVALID 3 - -#define MII_DBG_ADDR 0x1D -#define MII_DBG_DATA 0x1E - -#define MII_ANA_CTRL_0 0x0 -#define ANA_RESTART_CAL 0x0001 -#define ANA_MANUL_SWICH_ON_SHIFT 0x1 -#define ANA_MANUL_SWICH_ON_MASK 0xF -#define ANA_MAN_ENABLE 0x0020 -#define ANA_SEL_HSP 0x0040 -#define ANA_EN_HB 0x0080 -#define ANA_EN_HBIAS 0x0100 -#define ANA_OEN_125M 0x0200 -#define ANA_EN_LCKDT 0x0400 -#define ANA_LCKDT_PHY 0x0800 -#define ANA_AFE_MODE 0x1000 -#define ANA_VCO_SLOW 0x2000 -#define ANA_VCO_FAST 0x4000 -#define ANA_SEL_CLK125M_DSP 0x8000 - -#define MII_ANA_CTRL_4 0x4 -#define ANA_IECHO_ADJ_MASK 0xF -#define ANA_IECHO_ADJ_3_SHIFT 0 -#define ANA_IECHO_ADJ_2_SHIFT 4 -#define ANA_IECHO_ADJ_1_SHIFT 8 -#define ANA_IECHO_ADJ_0_SHIFT 12 - -#define MII_ANA_CTRL_5 0x5 -#define ANA_SERDES_CDR_BW_SHIFT 0 -#define ANA_SERDES_CDR_BW_MASK 0x3 -#define ANA_MS_PAD_DBG 0x0004 -#define ANA_SPEEDUP_DBG 0x0008 -#define ANA_SERDES_TH_LOS_SHIFT 4 -#define ANA_SERDES_TH_LOS_MASK 0x3 -#define ANA_SERDES_EN_DEEM 0x0040 -#define ANA_SERDES_TXELECIDLE 0x0080 -#define ANA_SERDES_BEACON 0x0100 -#define ANA_SERDES_HALFTXDR 0x0200 -#define ANA_SERDES_SEL_HSP 0x0400 -#define ANA_SERDES_EN_PLL 0x0800 -#define ANA_SERDES_EN 0x1000 -#define ANA_SERDES_EN_LCKDT 0x2000 - -#define MII_ANA_CTRL_11 0xB -#define ANA_PS_HIB_EN 0x8000 - -#define MII_ANA_CTRL_18 0x12 -#define ANA_TEST_MODE_10BT_01SHIFT 0 -#define ANA_TEST_MODE_10BT_01MASK 0x3 -#define ANA_LOOP_SEL_10BT 0x0004 -#define ANA_RGMII_MODE_SW 0x0008 -#define ANA_EN_LONGECABLE 0x0010 -#define ANA_TEST_MODE_10BT_2 0x0020 -#define ANA_EN_10BT_IDLE 0x0400 -#define ANA_EN_MASK_TB 0x0800 -#define ANA_TRIGGER_SEL_TIMER_SHIFT 12 -#define ANA_TRIGGER_SEL_TIMER_MASK 0x3 -#define ANA_INTERVAL_SEL_TIMER_SHIFT 14 -#define ANA_INTERVAL_SEL_TIMER_MASK 0x3 - -#define MII_ANA_CTRL_41 0x29 -#define ANA_TOP_PS_EN 0x8000 - -#define MII_ANA_CTRL_54 0x36 -#define ANA_LONG_CABLE_TH_100_SHIFT 0 -#define ANA_LONG_CABLE_TH_100_MASK 0x3F -#define ANA_DESERVED 0x0040 -#define ANA_EN_LIT_CH 0x0080 -#define ANA_SHORT_CABLE_TH_100_SHIFT 8 -#define ANA_SHORT_CABLE_TH_100_MASK 0x3F -#define ANA_BP_BAD_LINK_ACCUM 0x4000 -#define ANA_BP_SMALL_BW 0x8000 - -#endif /*_ATL1C_HW_H_*/ diff --git a/drivers/net/atl1c/atl1c_main.c b/drivers/net/atl1c/atl1c_main.c deleted file mode 100644 index 972244218408..000000000000 --- a/drivers/net/atl1c/atl1c_main.c +++ /dev/null @@ -1,2934 +0,0 @@ -/* - * Copyright(c) 2008 - 2009 Atheros Corporation. All rights reserved. - * - * Derived from Intel e1000 driver - * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., 59 - * Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -#include "atl1c.h" - -#define ATL1C_DRV_VERSION "1.0.1.0-NAPI" -char atl1c_driver_name[] = "atl1c"; -char atl1c_driver_version[] = ATL1C_DRV_VERSION; -#define PCI_DEVICE_ID_ATTANSIC_L2C 0x1062 -#define PCI_DEVICE_ID_ATTANSIC_L1C 0x1063 -#define PCI_DEVICE_ID_ATHEROS_L2C_B 0x2060 /* AR8152 v1.1 Fast 10/100 */ -#define PCI_DEVICE_ID_ATHEROS_L2C_B2 0x2062 /* AR8152 v2.0 Fast 10/100 */ -#define PCI_DEVICE_ID_ATHEROS_L1D 0x1073 /* AR8151 v1.0 Gigabit 1000 */ -#define PCI_DEVICE_ID_ATHEROS_L1D_2_0 0x1083 /* AR8151 v2.0 Gigabit 1000 */ -#define L2CB_V10 0xc0 -#define L2CB_V11 0xc1 - -/* - * atl1c_pci_tbl - PCI Device ID Table - * - * Wildcard entries (PCI_ANY_ID) should come last - * Last entry must be all 0s - * - * { Vendor ID, Device ID, SubVendor ID, SubDevice ID, - * Class, Class Mask, private data (not used) } - */ -static DEFINE_PCI_DEVICE_TABLE(atl1c_pci_tbl) = { - {PCI_DEVICE(PCI_VENDOR_ID_ATTANSIC, PCI_DEVICE_ID_ATTANSIC_L1C)}, - {PCI_DEVICE(PCI_VENDOR_ID_ATTANSIC, PCI_DEVICE_ID_ATTANSIC_L2C)}, - {PCI_DEVICE(PCI_VENDOR_ID_ATTANSIC, PCI_DEVICE_ID_ATHEROS_L2C_B)}, - {PCI_DEVICE(PCI_VENDOR_ID_ATTANSIC, PCI_DEVICE_ID_ATHEROS_L2C_B2)}, - {PCI_DEVICE(PCI_VENDOR_ID_ATTANSIC, PCI_DEVICE_ID_ATHEROS_L1D)}, - {PCI_DEVICE(PCI_VENDOR_ID_ATTANSIC, PCI_DEVICE_ID_ATHEROS_L1D_2_0)}, - /* required last entry */ - { 0 } -}; -MODULE_DEVICE_TABLE(pci, atl1c_pci_tbl); - -MODULE_AUTHOR("Jie Yang "); -MODULE_DESCRIPTION("Atheros 1000M Ethernet Network Driver"); -MODULE_LICENSE("GPL"); -MODULE_VERSION(ATL1C_DRV_VERSION); - -static int atl1c_stop_mac(struct atl1c_hw *hw); -static void atl1c_enable_rx_ctrl(struct atl1c_hw *hw); -static void atl1c_enable_tx_ctrl(struct atl1c_hw *hw); -static void atl1c_disable_l0s_l1(struct atl1c_hw *hw); -static void atl1c_set_aspm(struct atl1c_hw *hw, bool linkup); -static void atl1c_setup_mac_ctrl(struct atl1c_adapter *adapter); -static void atl1c_clean_rx_irq(struct atl1c_adapter *adapter, u8 que, - int *work_done, int work_to_do); -static int atl1c_up(struct atl1c_adapter *adapter); -static void atl1c_down(struct atl1c_adapter *adapter); - -static const u16 atl1c_pay_load_size[] = { - 128, 256, 512, 1024, 2048, 4096, -}; - -static const u16 atl1c_rfd_prod_idx_regs[AT_MAX_RECEIVE_QUEUE] = -{ - REG_MB_RFD0_PROD_IDX, - REG_MB_RFD1_PROD_IDX, - REG_MB_RFD2_PROD_IDX, - REG_MB_RFD3_PROD_IDX -}; - -static const u16 atl1c_rfd_addr_lo_regs[AT_MAX_RECEIVE_QUEUE] = -{ - REG_RFD0_HEAD_ADDR_LO, - REG_RFD1_HEAD_ADDR_LO, - REG_RFD2_HEAD_ADDR_LO, - REG_RFD3_HEAD_ADDR_LO -}; - -static const u16 atl1c_rrd_addr_lo_regs[AT_MAX_RECEIVE_QUEUE] = -{ - REG_RRD0_HEAD_ADDR_LO, - REG_RRD1_HEAD_ADDR_LO, - REG_RRD2_HEAD_ADDR_LO, - REG_RRD3_HEAD_ADDR_LO -}; - -static const u32 atl1c_default_msg = NETIF_MSG_DRV | NETIF_MSG_PROBE | - NETIF_MSG_LINK | NETIF_MSG_TIMER | NETIF_MSG_IFDOWN | NETIF_MSG_IFUP; -static void atl1c_pcie_patch(struct atl1c_hw *hw) -{ - u32 data; - - AT_READ_REG(hw, REG_PCIE_PHYMISC, &data); - data |= PCIE_PHYMISC_FORCE_RCV_DET; - AT_WRITE_REG(hw, REG_PCIE_PHYMISC, data); - - if (hw->nic_type == athr_l2c_b && hw->revision_id == L2CB_V10) { - AT_READ_REG(hw, REG_PCIE_PHYMISC2, &data); - - data &= ~(PCIE_PHYMISC2_SERDES_CDR_MASK << - PCIE_PHYMISC2_SERDES_CDR_SHIFT); - data |= 3 << PCIE_PHYMISC2_SERDES_CDR_SHIFT; - data &= ~(PCIE_PHYMISC2_SERDES_TH_MASK << - PCIE_PHYMISC2_SERDES_TH_SHIFT); - data |= 3 << PCIE_PHYMISC2_SERDES_TH_SHIFT; - AT_WRITE_REG(hw, REG_PCIE_PHYMISC2, data); - } -} - -/* FIXME: no need any more ? */ -/* - * atl1c_init_pcie - init PCIE module - */ -static void atl1c_reset_pcie(struct atl1c_hw *hw, u32 flag) -{ - u32 data; - u32 pci_cmd; - struct pci_dev *pdev = hw->adapter->pdev; - - AT_READ_REG(hw, PCI_COMMAND, &pci_cmd); - pci_cmd &= ~PCI_COMMAND_INTX_DISABLE; - pci_cmd |= (PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER | - PCI_COMMAND_IO); - AT_WRITE_REG(hw, PCI_COMMAND, pci_cmd); - - /* - * Clear any PowerSaveing Settings - */ - pci_enable_wake(pdev, PCI_D3hot, 0); - pci_enable_wake(pdev, PCI_D3cold, 0); - - /* - * Mask some pcie error bits - */ - AT_READ_REG(hw, REG_PCIE_UC_SEVERITY, &data); - data &= ~PCIE_UC_SERVRITY_DLP; - data &= ~PCIE_UC_SERVRITY_FCP; - AT_WRITE_REG(hw, REG_PCIE_UC_SEVERITY, data); - - AT_READ_REG(hw, REG_LTSSM_ID_CTRL, &data); - data &= ~LTSSM_ID_EN_WRO; - AT_WRITE_REG(hw, REG_LTSSM_ID_CTRL, data); - - atl1c_pcie_patch(hw); - if (flag & ATL1C_PCIE_L0S_L1_DISABLE) - atl1c_disable_l0s_l1(hw); - if (flag & ATL1C_PCIE_PHY_RESET) - AT_WRITE_REG(hw, REG_GPHY_CTRL, GPHY_CTRL_DEFAULT); - else - AT_WRITE_REG(hw, REG_GPHY_CTRL, - GPHY_CTRL_DEFAULT | GPHY_CTRL_EXT_RESET); - - msleep(5); -} - -/* - * atl1c_irq_enable - Enable default interrupt generation settings - * @adapter: board private structure - */ -static inline void atl1c_irq_enable(struct atl1c_adapter *adapter) -{ - if (likely(atomic_dec_and_test(&adapter->irq_sem))) { - AT_WRITE_REG(&adapter->hw, REG_ISR, 0x7FFFFFFF); - AT_WRITE_REG(&adapter->hw, REG_IMR, adapter->hw.intr_mask); - AT_WRITE_FLUSH(&adapter->hw); - } -} - -/* - * atl1c_irq_disable - Mask off interrupt generation on the NIC - * @adapter: board private structure - */ -static inline void atl1c_irq_disable(struct atl1c_adapter *adapter) -{ - atomic_inc(&adapter->irq_sem); - AT_WRITE_REG(&adapter->hw, REG_IMR, 0); - AT_WRITE_REG(&adapter->hw, REG_ISR, ISR_DIS_INT); - AT_WRITE_FLUSH(&adapter->hw); - synchronize_irq(adapter->pdev->irq); -} - -/* - * atl1c_irq_reset - reset interrupt confiure on the NIC - * @adapter: board private structure - */ -static inline void atl1c_irq_reset(struct atl1c_adapter *adapter) -{ - atomic_set(&adapter->irq_sem, 1); - atl1c_irq_enable(adapter); -} - -/* - * atl1c_wait_until_idle - wait up to AT_HW_MAX_IDLE_DELAY reads - * of the idle status register until the device is actually idle - */ -static u32 atl1c_wait_until_idle(struct atl1c_hw *hw) -{ - int timeout; - u32 data; - - for (timeout = 0; timeout < AT_HW_MAX_IDLE_DELAY; timeout++) { - AT_READ_REG(hw, REG_IDLE_STATUS, &data); - if ((data & IDLE_STATUS_MASK) == 0) - return 0; - msleep(1); - } - return data; -} - -/* - * atl1c_phy_config - Timer Call-back - * @data: pointer to netdev cast into an unsigned long - */ -static void atl1c_phy_config(unsigned long data) -{ - struct atl1c_adapter *adapter = (struct atl1c_adapter *) data; - struct atl1c_hw *hw = &adapter->hw; - unsigned long flags; - - spin_lock_irqsave(&adapter->mdio_lock, flags); - atl1c_restart_autoneg(hw); - spin_unlock_irqrestore(&adapter->mdio_lock, flags); -} - -void atl1c_reinit_locked(struct atl1c_adapter *adapter) -{ - WARN_ON(in_interrupt()); - atl1c_down(adapter); - atl1c_up(adapter); - clear_bit(__AT_RESETTING, &adapter->flags); -} - -static void atl1c_check_link_status(struct atl1c_adapter *adapter) -{ - struct atl1c_hw *hw = &adapter->hw; - struct net_device *netdev = adapter->netdev; - struct pci_dev *pdev = adapter->pdev; - int err; - unsigned long flags; - u16 speed, duplex, phy_data; - - spin_lock_irqsave(&adapter->mdio_lock, flags); - /* MII_BMSR must read twise */ - atl1c_read_phy_reg(hw, MII_BMSR, &phy_data); - atl1c_read_phy_reg(hw, MII_BMSR, &phy_data); - spin_unlock_irqrestore(&adapter->mdio_lock, flags); - - if ((phy_data & BMSR_LSTATUS) == 0) { - /* link down */ - hw->hibernate = true; - if (atl1c_stop_mac(hw) != 0) - if (netif_msg_hw(adapter)) - dev_warn(&pdev->dev, "stop mac failed\n"); - atl1c_set_aspm(hw, false); - netif_carrier_off(netdev); - netif_stop_queue(netdev); - atl1c_phy_reset(hw); - atl1c_phy_init(&adapter->hw); - } else { - /* Link Up */ - hw->hibernate = false; - spin_lock_irqsave(&adapter->mdio_lock, flags); - err = atl1c_get_speed_and_duplex(hw, &speed, &duplex); - spin_unlock_irqrestore(&adapter->mdio_lock, flags); - if (unlikely(err)) - return; - /* link result is our setting */ - if (adapter->link_speed != speed || - adapter->link_duplex != duplex) { - adapter->link_speed = speed; - adapter->link_duplex = duplex; - atl1c_set_aspm(hw, true); - atl1c_enable_tx_ctrl(hw); - atl1c_enable_rx_ctrl(hw); - atl1c_setup_mac_ctrl(adapter); - if (netif_msg_link(adapter)) - dev_info(&pdev->dev, - "%s: %s NIC Link is Up<%d Mbps %s>\n", - atl1c_driver_name, netdev->name, - adapter->link_speed, - adapter->link_duplex == FULL_DUPLEX ? - "Full Duplex" : "Half Duplex"); - } - if (!netif_carrier_ok(netdev)) - netif_carrier_on(netdev); - } -} - -static void atl1c_link_chg_event(struct atl1c_adapter *adapter) -{ - struct net_device *netdev = adapter->netdev; - struct pci_dev *pdev = adapter->pdev; - u16 phy_data; - u16 link_up; - - spin_lock(&adapter->mdio_lock); - atl1c_read_phy_reg(&adapter->hw, MII_BMSR, &phy_data); - atl1c_read_phy_reg(&adapter->hw, MII_BMSR, &phy_data); - spin_unlock(&adapter->mdio_lock); - link_up = phy_data & BMSR_LSTATUS; - /* notify upper layer link down ASAP */ - if (!link_up) { - if (netif_carrier_ok(netdev)) { - /* old link state: Up */ - netif_carrier_off(netdev); - if (netif_msg_link(adapter)) - dev_info(&pdev->dev, - "%s: %s NIC Link is Down\n", - atl1c_driver_name, netdev->name); - adapter->link_speed = SPEED_0; - } - } - - set_bit(ATL1C_WORK_EVENT_LINK_CHANGE, &adapter->work_event); - schedule_work(&adapter->common_task); -} - -static void atl1c_common_task(struct work_struct *work) -{ - struct atl1c_adapter *adapter; - struct net_device *netdev; - - adapter = container_of(work, struct atl1c_adapter, common_task); - netdev = adapter->netdev; - - if (test_and_clear_bit(ATL1C_WORK_EVENT_RESET, &adapter->work_event)) { - netif_device_detach(netdev); - atl1c_down(adapter); - atl1c_up(adapter); - netif_device_attach(netdev); - } - - if (test_and_clear_bit(ATL1C_WORK_EVENT_LINK_CHANGE, - &adapter->work_event)) - atl1c_check_link_status(adapter); -} - - -static void atl1c_del_timer(struct atl1c_adapter *adapter) -{ - del_timer_sync(&adapter->phy_config_timer); -} - - -/* - * atl1c_tx_timeout - Respond to a Tx Hang - * @netdev: network interface device structure - */ -static void atl1c_tx_timeout(struct net_device *netdev) -{ - struct atl1c_adapter *adapter = netdev_priv(netdev); - - /* Do the reset outside of interrupt context */ - set_bit(ATL1C_WORK_EVENT_RESET, &adapter->work_event); - schedule_work(&adapter->common_task); -} - -/* - * atl1c_set_multi - Multicast and Promiscuous mode set - * @netdev: network interface device structure - * - * The set_multi entry point is called whenever the multicast address - * list or the network interface flags are updated. This routine is - * responsible for configuring the hardware for proper multicast, - * promiscuous mode, and all-multi behavior. - */ -static void atl1c_set_multi(struct net_device *netdev) -{ - struct atl1c_adapter *adapter = netdev_priv(netdev); - struct atl1c_hw *hw = &adapter->hw; - struct netdev_hw_addr *ha; - u32 mac_ctrl_data; - u32 hash_value; - - /* Check for Promiscuous and All Multicast modes */ - AT_READ_REG(hw, REG_MAC_CTRL, &mac_ctrl_data); - - if (netdev->flags & IFF_PROMISC) { - mac_ctrl_data |= MAC_CTRL_PROMIS_EN; - } else if (netdev->flags & IFF_ALLMULTI) { - mac_ctrl_data |= MAC_CTRL_MC_ALL_EN; - mac_ctrl_data &= ~MAC_CTRL_PROMIS_EN; - } else { - mac_ctrl_data &= ~(MAC_CTRL_PROMIS_EN | MAC_CTRL_MC_ALL_EN); - } - - AT_WRITE_REG(hw, REG_MAC_CTRL, mac_ctrl_data); - - /* clear the old settings from the multicast hash table */ - AT_WRITE_REG(hw, REG_RX_HASH_TABLE, 0); - AT_WRITE_REG_ARRAY(hw, REG_RX_HASH_TABLE, 1, 0); - - /* comoute mc addresses' hash value ,and put it into hash table */ - netdev_for_each_mc_addr(ha, netdev) { - hash_value = atl1c_hash_mc_addr(hw, ha->addr); - atl1c_hash_set(hw, hash_value); - } -} - -static void __atl1c_vlan_mode(u32 features, u32 *mac_ctrl_data) -{ - if (features & NETIF_F_HW_VLAN_RX) { - /* enable VLAN tag insert/strip */ - *mac_ctrl_data |= MAC_CTRL_RMV_VLAN; - } else { - /* disable VLAN tag insert/strip */ - *mac_ctrl_data &= ~MAC_CTRL_RMV_VLAN; - } -} - -static void atl1c_vlan_mode(struct net_device *netdev, u32 features) -{ - struct atl1c_adapter *adapter = netdev_priv(netdev); - struct pci_dev *pdev = adapter->pdev; - u32 mac_ctrl_data = 0; - - if (netif_msg_pktdata(adapter)) - dev_dbg(&pdev->dev, "atl1c_vlan_mode\n"); - - atl1c_irq_disable(adapter); - AT_READ_REG(&adapter->hw, REG_MAC_CTRL, &mac_ctrl_data); - __atl1c_vlan_mode(features, &mac_ctrl_data); - AT_WRITE_REG(&adapter->hw, REG_MAC_CTRL, mac_ctrl_data); - atl1c_irq_enable(adapter); -} - -static void atl1c_restore_vlan(struct atl1c_adapter *adapter) -{ - struct pci_dev *pdev = adapter->pdev; - - if (netif_msg_pktdata(adapter)) - dev_dbg(&pdev->dev, "atl1c_restore_vlan\n"); - atl1c_vlan_mode(adapter->netdev, adapter->netdev->features); -} - -/* - * atl1c_set_mac - Change the Ethernet Address of the NIC - * @netdev: network interface device structure - * @p: pointer to an address structure - * - * Returns 0 on success, negative on failure - */ -static int atl1c_set_mac_addr(struct net_device *netdev, void *p) -{ - struct atl1c_adapter *adapter = netdev_priv(netdev); - struct sockaddr *addr = p; - - if (!is_valid_ether_addr(addr->sa_data)) - return -EADDRNOTAVAIL; - - if (netif_running(netdev)) - return -EBUSY; - - memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); - memcpy(adapter->hw.mac_addr, addr->sa_data, netdev->addr_len); - - atl1c_hw_set_mac_addr(&adapter->hw); - - return 0; -} - -static void atl1c_set_rxbufsize(struct atl1c_adapter *adapter, - struct net_device *dev) -{ - int mtu = dev->mtu; - - adapter->rx_buffer_len = mtu > AT_RX_BUF_SIZE ? - roundup(mtu + ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN, 8) : AT_RX_BUF_SIZE; -} - -static u32 atl1c_fix_features(struct net_device *netdev, u32 features) -{ - /* - * Since there is no support for separate rx/tx vlan accel - * enable/disable make sure tx flag is always in same state as rx. - */ - if (features & NETIF_F_HW_VLAN_RX) - features |= NETIF_F_HW_VLAN_TX; - else - features &= ~NETIF_F_HW_VLAN_TX; - - if (netdev->mtu > MAX_TSO_FRAME_SIZE) - features &= ~(NETIF_F_TSO | NETIF_F_TSO6); - - return features; -} - -static int atl1c_set_features(struct net_device *netdev, u32 features) -{ - u32 changed = netdev->features ^ features; - - if (changed & NETIF_F_HW_VLAN_RX) - atl1c_vlan_mode(netdev, features); - - return 0; -} - -/* - * atl1c_change_mtu - Change the Maximum Transfer Unit - * @netdev: network interface device structure - * @new_mtu: new value for maximum frame size - * - * Returns 0 on success, negative on failure - */ -static int atl1c_change_mtu(struct net_device *netdev, int new_mtu) -{ - struct atl1c_adapter *adapter = netdev_priv(netdev); - int old_mtu = netdev->mtu; - int max_frame = new_mtu + ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN; - - if ((max_frame < ETH_ZLEN + ETH_FCS_LEN) || - (max_frame > MAX_JUMBO_FRAME_SIZE)) { - if (netif_msg_link(adapter)) - dev_warn(&adapter->pdev->dev, "invalid MTU setting\n"); - return -EINVAL; - } - /* set MTU */ - if (old_mtu != new_mtu && netif_running(netdev)) { - while (test_and_set_bit(__AT_RESETTING, &adapter->flags)) - msleep(1); - netdev->mtu = new_mtu; - adapter->hw.max_frame_size = new_mtu; - atl1c_set_rxbufsize(adapter, netdev); - atl1c_down(adapter); - netdev_update_features(netdev); - atl1c_up(adapter); - clear_bit(__AT_RESETTING, &adapter->flags); - if (adapter->hw.ctrl_flags & ATL1C_FPGA_VERSION) { - u32 phy_data; - - AT_READ_REG(&adapter->hw, 0x1414, &phy_data); - phy_data |= 0x10000000; - AT_WRITE_REG(&adapter->hw, 0x1414, phy_data); - } - - } - return 0; -} - -/* - * caller should hold mdio_lock - */ -static int atl1c_mdio_read(struct net_device *netdev, int phy_id, int reg_num) -{ - struct atl1c_adapter *adapter = netdev_priv(netdev); - u16 result; - - atl1c_read_phy_reg(&adapter->hw, reg_num & MDIO_REG_ADDR_MASK, &result); - return result; -} - -static void atl1c_mdio_write(struct net_device *netdev, int phy_id, - int reg_num, int val) -{ - struct atl1c_adapter *adapter = netdev_priv(netdev); - - atl1c_write_phy_reg(&adapter->hw, reg_num & MDIO_REG_ADDR_MASK, val); -} - -/* - * atl1c_mii_ioctl - - * @netdev: - * @ifreq: - * @cmd: - */ -static int atl1c_mii_ioctl(struct net_device *netdev, - struct ifreq *ifr, int cmd) -{ - struct atl1c_adapter *adapter = netdev_priv(netdev); - struct pci_dev *pdev = adapter->pdev; - struct mii_ioctl_data *data = if_mii(ifr); - unsigned long flags; - int retval = 0; - - if (!netif_running(netdev)) - return -EINVAL; - - spin_lock_irqsave(&adapter->mdio_lock, flags); - switch (cmd) { - case SIOCGMIIPHY: - data->phy_id = 0; - break; - - case SIOCGMIIREG: - if (atl1c_read_phy_reg(&adapter->hw, data->reg_num & 0x1F, - &data->val_out)) { - retval = -EIO; - goto out; - } - break; - - case SIOCSMIIREG: - if (data->reg_num & ~(0x1F)) { - retval = -EFAULT; - goto out; - } - - dev_dbg(&pdev->dev, " write %x %x", - data->reg_num, data->val_in); - if (atl1c_write_phy_reg(&adapter->hw, - data->reg_num, data->val_in)) { - retval = -EIO; - goto out; - } - break; - - default: - retval = -EOPNOTSUPP; - break; - } -out: - spin_unlock_irqrestore(&adapter->mdio_lock, flags); - return retval; -} - -/* - * atl1c_ioctl - - * @netdev: - * @ifreq: - * @cmd: - */ -static int atl1c_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) -{ - switch (cmd) { - case SIOCGMIIPHY: - case SIOCGMIIREG: - case SIOCSMIIREG: - return atl1c_mii_ioctl(netdev, ifr, cmd); - default: - return -EOPNOTSUPP; - } -} - -/* - * atl1c_alloc_queues - Allocate memory for all rings - * @adapter: board private structure to initialize - * - */ -static int __devinit atl1c_alloc_queues(struct atl1c_adapter *adapter) -{ - return 0; -} - -static void atl1c_set_mac_type(struct atl1c_hw *hw) -{ - switch (hw->device_id) { - case PCI_DEVICE_ID_ATTANSIC_L2C: - hw->nic_type = athr_l2c; - break; - case PCI_DEVICE_ID_ATTANSIC_L1C: - hw->nic_type = athr_l1c; - break; - case PCI_DEVICE_ID_ATHEROS_L2C_B: - hw->nic_type = athr_l2c_b; - break; - case PCI_DEVICE_ID_ATHEROS_L2C_B2: - hw->nic_type = athr_l2c_b2; - break; - case PCI_DEVICE_ID_ATHEROS_L1D: - hw->nic_type = athr_l1d; - break; - case PCI_DEVICE_ID_ATHEROS_L1D_2_0: - hw->nic_type = athr_l1d_2; - break; - default: - break; - } -} - -static int atl1c_setup_mac_funcs(struct atl1c_hw *hw) -{ - u32 phy_status_data; - u32 link_ctrl_data; - - atl1c_set_mac_type(hw); - AT_READ_REG(hw, REG_PHY_STATUS, &phy_status_data); - AT_READ_REG(hw, REG_LINK_CTRL, &link_ctrl_data); - - hw->ctrl_flags = ATL1C_INTR_MODRT_ENABLE | - ATL1C_TXQ_MODE_ENHANCE; - if (link_ctrl_data & LINK_CTRL_L0S_EN) - hw->ctrl_flags |= ATL1C_ASPM_L0S_SUPPORT; - if (link_ctrl_data & LINK_CTRL_L1_EN) - hw->ctrl_flags |= ATL1C_ASPM_L1_SUPPORT; - if (link_ctrl_data & LINK_CTRL_EXT_SYNC) - hw->ctrl_flags |= ATL1C_LINK_EXT_SYNC; - hw->ctrl_flags |= ATL1C_ASPM_CTRL_MON; - - if (hw->nic_type == athr_l1c || - hw->nic_type == athr_l1d || - hw->nic_type == athr_l1d_2) - hw->link_cap_flags |= ATL1C_LINK_CAP_1000M; - return 0; -} -/* - * atl1c_sw_init - Initialize general software structures (struct atl1c_adapter) - * @adapter: board private structure to initialize - * - * atl1c_sw_init initializes the Adapter private data structure. - * Fields are initialized based on PCI device information and - * OS network device settings (MTU size). - */ -static int __devinit atl1c_sw_init(struct atl1c_adapter *adapter) -{ - struct atl1c_hw *hw = &adapter->hw; - struct pci_dev *pdev = adapter->pdev; - u32 revision; - - - adapter->wol = 0; - device_set_wakeup_enable(&pdev->dev, false); - adapter->link_speed = SPEED_0; - adapter->link_duplex = FULL_DUPLEX; - adapter->num_rx_queues = AT_DEF_RECEIVE_QUEUE; - adapter->tpd_ring[0].count = 1024; - adapter->rfd_ring[0].count = 512; - - hw->vendor_id = pdev->vendor; - hw->device_id = pdev->device; - hw->subsystem_vendor_id = pdev->subsystem_vendor; - hw->subsystem_id = pdev->subsystem_device; - AT_READ_REG(hw, PCI_CLASS_REVISION, &revision); - hw->revision_id = revision & 0xFF; - /* before link up, we assume hibernate is true */ - hw->hibernate = true; - hw->media_type = MEDIA_TYPE_AUTO_SENSOR; - if (atl1c_setup_mac_funcs(hw) != 0) { - dev_err(&pdev->dev, "set mac function pointers failed\n"); - return -1; - } - hw->intr_mask = IMR_NORMAL_MASK; - hw->phy_configured = false; - hw->preamble_len = 7; - hw->max_frame_size = adapter->netdev->mtu; - if (adapter->num_rx_queues < 2) { - hw->rss_type = atl1c_rss_disable; - hw->rss_mode = atl1c_rss_mode_disable; - } else { - hw->rss_type = atl1c_rss_ipv4; - hw->rss_mode = atl1c_rss_mul_que_mul_int; - hw->rss_hash_bits = 16; - } - hw->autoneg_advertised = ADVERTISED_Autoneg; - hw->indirect_tab = 0xE4E4E4E4; - hw->base_cpu = 0; - - hw->ict = 50000; /* 100ms */ - hw->smb_timer = 200000; /* 400ms */ - hw->cmb_tpd = 4; - hw->cmb_tx_timer = 1; /* 2 us */ - hw->rx_imt = 200; - hw->tx_imt = 1000; - - hw->tpd_burst = 5; - hw->rfd_burst = 8; - hw->dma_order = atl1c_dma_ord_out; - hw->dmar_block = atl1c_dma_req_1024; - hw->dmaw_block = atl1c_dma_req_1024; - hw->dmar_dly_cnt = 15; - hw->dmaw_dly_cnt = 4; - - if (atl1c_alloc_queues(adapter)) { - dev_err(&pdev->dev, "Unable to allocate memory for queues\n"); - return -ENOMEM; - } - /* TODO */ - atl1c_set_rxbufsize(adapter, adapter->netdev); - atomic_set(&adapter->irq_sem, 1); - spin_lock_init(&adapter->mdio_lock); - spin_lock_init(&adapter->tx_lock); - set_bit(__AT_DOWN, &adapter->flags); - - return 0; -} - -static inline void atl1c_clean_buffer(struct pci_dev *pdev, - struct atl1c_buffer *buffer_info, int in_irq) -{ - u16 pci_driection; - if (buffer_info->flags & ATL1C_BUFFER_FREE) - return; - if (buffer_info->dma) { - if (buffer_info->flags & ATL1C_PCIMAP_FROMDEVICE) - pci_driection = PCI_DMA_FROMDEVICE; - else - pci_driection = PCI_DMA_TODEVICE; - - if (buffer_info->flags & ATL1C_PCIMAP_SINGLE) - pci_unmap_single(pdev, buffer_info->dma, - buffer_info->length, pci_driection); - else if (buffer_info->flags & ATL1C_PCIMAP_PAGE) - pci_unmap_page(pdev, buffer_info->dma, - buffer_info->length, pci_driection); - } - if (buffer_info->skb) { - if (in_irq) - dev_kfree_skb_irq(buffer_info->skb); - else - dev_kfree_skb(buffer_info->skb); - } - buffer_info->dma = 0; - buffer_info->skb = NULL; - ATL1C_SET_BUFFER_STATE(buffer_info, ATL1C_BUFFER_FREE); -} -/* - * atl1c_clean_tx_ring - Free Tx-skb - * @adapter: board private structure - */ -static void atl1c_clean_tx_ring(struct atl1c_adapter *adapter, - enum atl1c_trans_queue type) -{ - struct atl1c_tpd_ring *tpd_ring = &adapter->tpd_ring[type]; - struct atl1c_buffer *buffer_info; - struct pci_dev *pdev = adapter->pdev; - u16 index, ring_count; - - ring_count = tpd_ring->count; - for (index = 0; index < ring_count; index++) { - buffer_info = &tpd_ring->buffer_info[index]; - atl1c_clean_buffer(pdev, buffer_info, 0); - } - - /* Zero out Tx-buffers */ - memset(tpd_ring->desc, 0, sizeof(struct atl1c_tpd_desc) * - ring_count); - atomic_set(&tpd_ring->next_to_clean, 0); - tpd_ring->next_to_use = 0; -} - -/* - * atl1c_clean_rx_ring - Free rx-reservation skbs - * @adapter: board private structure - */ -static void atl1c_clean_rx_ring(struct atl1c_adapter *adapter) -{ - struct atl1c_rfd_ring *rfd_ring = adapter->rfd_ring; - struct atl1c_rrd_ring *rrd_ring = adapter->rrd_ring; - struct atl1c_buffer *buffer_info; - struct pci_dev *pdev = adapter->pdev; - int i, j; - - for (i = 0; i < adapter->num_rx_queues; i++) { - for (j = 0; j < rfd_ring[i].count; j++) { - buffer_info = &rfd_ring[i].buffer_info[j]; - atl1c_clean_buffer(pdev, buffer_info, 0); - } - /* zero out the descriptor ring */ - memset(rfd_ring[i].desc, 0, rfd_ring[i].size); - rfd_ring[i].next_to_clean = 0; - rfd_ring[i].next_to_use = 0; - rrd_ring[i].next_to_use = 0; - rrd_ring[i].next_to_clean = 0; - } -} - -/* - * Read / Write Ptr Initialize: - */ -static void atl1c_init_ring_ptrs(struct atl1c_adapter *adapter) -{ - struct atl1c_tpd_ring *tpd_ring = adapter->tpd_ring; - struct atl1c_rfd_ring *rfd_ring = adapter->rfd_ring; - struct atl1c_rrd_ring *rrd_ring = adapter->rrd_ring; - struct atl1c_buffer *buffer_info; - int i, j; - - for (i = 0; i < AT_MAX_TRANSMIT_QUEUE; i++) { - tpd_ring[i].next_to_use = 0; - atomic_set(&tpd_ring[i].next_to_clean, 0); - buffer_info = tpd_ring[i].buffer_info; - for (j = 0; j < tpd_ring->count; j++) - ATL1C_SET_BUFFER_STATE(&buffer_info[i], - ATL1C_BUFFER_FREE); - } - for (i = 0; i < adapter->num_rx_queues; i++) { - rfd_ring[i].next_to_use = 0; - rfd_ring[i].next_to_clean = 0; - rrd_ring[i].next_to_use = 0; - rrd_ring[i].next_to_clean = 0; - for (j = 0; j < rfd_ring[i].count; j++) { - buffer_info = &rfd_ring[i].buffer_info[j]; - ATL1C_SET_BUFFER_STATE(buffer_info, ATL1C_BUFFER_FREE); - } - } -} - -/* - * atl1c_free_ring_resources - Free Tx / RX descriptor Resources - * @adapter: board private structure - * - * Free all transmit software resources - */ -static void atl1c_free_ring_resources(struct atl1c_adapter *adapter) -{ - struct pci_dev *pdev = adapter->pdev; - - pci_free_consistent(pdev, adapter->ring_header.size, - adapter->ring_header.desc, - adapter->ring_header.dma); - adapter->ring_header.desc = NULL; - - /* Note: just free tdp_ring.buffer_info, - * it contain rfd_ring.buffer_info, do not double free */ - if (adapter->tpd_ring[0].buffer_info) { - kfree(adapter->tpd_ring[0].buffer_info); - adapter->tpd_ring[0].buffer_info = NULL; - } -} - -/* - * atl1c_setup_mem_resources - allocate Tx / RX descriptor resources - * @adapter: board private structure - * - * Return 0 on success, negative on failure - */ -static int atl1c_setup_ring_resources(struct atl1c_adapter *adapter) -{ - struct pci_dev *pdev = adapter->pdev; - struct atl1c_tpd_ring *tpd_ring = adapter->tpd_ring; - struct atl1c_rfd_ring *rfd_ring = adapter->rfd_ring; - struct atl1c_rrd_ring *rrd_ring = adapter->rrd_ring; - struct atl1c_ring_header *ring_header = &adapter->ring_header; - int num_rx_queues = adapter->num_rx_queues; - int size; - int i; - int count = 0; - int rx_desc_count = 0; - u32 offset = 0; - - rrd_ring[0].count = rfd_ring[0].count; - for (i = 1; i < AT_MAX_TRANSMIT_QUEUE; i++) - tpd_ring[i].count = tpd_ring[0].count; - - for (i = 1; i < adapter->num_rx_queues; i++) - rfd_ring[i].count = rrd_ring[i].count = rfd_ring[0].count; - - /* 2 tpd queue, one high priority queue, - * another normal priority queue */ - size = sizeof(struct atl1c_buffer) * (tpd_ring->count * 2 + - rfd_ring->count * num_rx_queues); - tpd_ring->buffer_info = kzalloc(size, GFP_KERNEL); - if (unlikely(!tpd_ring->buffer_info)) { - dev_err(&pdev->dev, "kzalloc failed, size = %d\n", - size); - goto err_nomem; - } - for (i = 0; i < AT_MAX_TRANSMIT_QUEUE; i++) { - tpd_ring[i].buffer_info = - (struct atl1c_buffer *) (tpd_ring->buffer_info + count); - count += tpd_ring[i].count; - } - - for (i = 0; i < num_rx_queues; i++) { - rfd_ring[i].buffer_info = - (struct atl1c_buffer *) (tpd_ring->buffer_info + count); - count += rfd_ring[i].count; - rx_desc_count += rfd_ring[i].count; - } - /* - * real ring DMA buffer - * each ring/block may need up to 8 bytes for alignment, hence the - * additional bytes tacked onto the end. - */ - ring_header->size = size = - sizeof(struct atl1c_tpd_desc) * tpd_ring->count * 2 + - sizeof(struct atl1c_rx_free_desc) * rx_desc_count + - sizeof(struct atl1c_recv_ret_status) * rx_desc_count + - sizeof(struct atl1c_hw_stats) + - 8 * 4 + 8 * 2 * num_rx_queues; - - ring_header->desc = pci_alloc_consistent(pdev, ring_header->size, - &ring_header->dma); - if (unlikely(!ring_header->desc)) { - dev_err(&pdev->dev, "pci_alloc_consistend failed\n"); - goto err_nomem; - } - memset(ring_header->desc, 0, ring_header->size); - /* init TPD ring */ - - tpd_ring[0].dma = roundup(ring_header->dma, 8); - offset = tpd_ring[0].dma - ring_header->dma; - for (i = 0; i < AT_MAX_TRANSMIT_QUEUE; i++) { - tpd_ring[i].dma = ring_header->dma + offset; - tpd_ring[i].desc = (u8 *) ring_header->desc + offset; - tpd_ring[i].size = - sizeof(struct atl1c_tpd_desc) * tpd_ring[i].count; - offset += roundup(tpd_ring[i].size, 8); - } - /* init RFD ring */ - for (i = 0; i < num_rx_queues; i++) { - rfd_ring[i].dma = ring_header->dma + offset; - rfd_ring[i].desc = (u8 *) ring_header->desc + offset; - rfd_ring[i].size = sizeof(struct atl1c_rx_free_desc) * - rfd_ring[i].count; - offset += roundup(rfd_ring[i].size, 8); - } - - /* init RRD ring */ - for (i = 0; i < num_rx_queues; i++) { - rrd_ring[i].dma = ring_header->dma + offset; - rrd_ring[i].desc = (u8 *) ring_header->desc + offset; - rrd_ring[i].size = sizeof(struct atl1c_recv_ret_status) * - rrd_ring[i].count; - offset += roundup(rrd_ring[i].size, 8); - } - - adapter->smb.dma = ring_header->dma + offset; - adapter->smb.smb = (u8 *)ring_header->desc + offset; - return 0; - -err_nomem: - kfree(tpd_ring->buffer_info); - return -ENOMEM; -} - -static void atl1c_configure_des_ring(struct atl1c_adapter *adapter) -{ - struct atl1c_hw *hw = &adapter->hw; - struct atl1c_rfd_ring *rfd_ring = (struct atl1c_rfd_ring *) - adapter->rfd_ring; - struct atl1c_rrd_ring *rrd_ring = (struct atl1c_rrd_ring *) - adapter->rrd_ring; - struct atl1c_tpd_ring *tpd_ring = (struct atl1c_tpd_ring *) - adapter->tpd_ring; - struct atl1c_cmb *cmb = (struct atl1c_cmb *) &adapter->cmb; - struct atl1c_smb *smb = (struct atl1c_smb *) &adapter->smb; - int i; - u32 data; - - /* TPD */ - AT_WRITE_REG(hw, REG_TX_BASE_ADDR_HI, - (u32)((tpd_ring[atl1c_trans_normal].dma & - AT_DMA_HI_ADDR_MASK) >> 32)); - /* just enable normal priority TX queue */ - AT_WRITE_REG(hw, REG_NTPD_HEAD_ADDR_LO, - (u32)(tpd_ring[atl1c_trans_normal].dma & - AT_DMA_LO_ADDR_MASK)); - AT_WRITE_REG(hw, REG_HTPD_HEAD_ADDR_LO, - (u32)(tpd_ring[atl1c_trans_high].dma & - AT_DMA_LO_ADDR_MASK)); - AT_WRITE_REG(hw, REG_TPD_RING_SIZE, - (u32)(tpd_ring[0].count & TPD_RING_SIZE_MASK)); - - - /* RFD */ - AT_WRITE_REG(hw, REG_RX_BASE_ADDR_HI, - (u32)((rfd_ring[0].dma & AT_DMA_HI_ADDR_MASK) >> 32)); - for (i = 0; i < adapter->num_rx_queues; i++) - AT_WRITE_REG(hw, atl1c_rfd_addr_lo_regs[i], - (u32)(rfd_ring[i].dma & AT_DMA_LO_ADDR_MASK)); - - AT_WRITE_REG(hw, REG_RFD_RING_SIZE, - rfd_ring[0].count & RFD_RING_SIZE_MASK); - AT_WRITE_REG(hw, REG_RX_BUF_SIZE, - adapter->rx_buffer_len & RX_BUF_SIZE_MASK); - - /* RRD */ - for (i = 0; i < adapter->num_rx_queues; i++) - AT_WRITE_REG(hw, atl1c_rrd_addr_lo_regs[i], - (u32)(rrd_ring[i].dma & AT_DMA_LO_ADDR_MASK)); - AT_WRITE_REG(hw, REG_RRD_RING_SIZE, - (rrd_ring[0].count & RRD_RING_SIZE_MASK)); - - /* CMB */ - AT_WRITE_REG(hw, REG_CMB_BASE_ADDR_LO, cmb->dma & AT_DMA_LO_ADDR_MASK); - - /* SMB */ - AT_WRITE_REG(hw, REG_SMB_BASE_ADDR_HI, - (u32)((smb->dma & AT_DMA_HI_ADDR_MASK) >> 32)); - AT_WRITE_REG(hw, REG_SMB_BASE_ADDR_LO, - (u32)(smb->dma & AT_DMA_LO_ADDR_MASK)); - if (hw->nic_type == athr_l2c_b) { - AT_WRITE_REG(hw, REG_SRAM_RXF_LEN, 0x02a0L); - AT_WRITE_REG(hw, REG_SRAM_TXF_LEN, 0x0100L); - AT_WRITE_REG(hw, REG_SRAM_RXF_ADDR, 0x029f0000L); - AT_WRITE_REG(hw, REG_SRAM_RFD0_INFO, 0x02bf02a0L); - AT_WRITE_REG(hw, REG_SRAM_TXF_ADDR, 0x03bf02c0L); - AT_WRITE_REG(hw, REG_SRAM_TRD_ADDR, 0x03df03c0L); - AT_WRITE_REG(hw, REG_TXF_WATER_MARK, 0); /* TX watermark, to enter l1 state.*/ - AT_WRITE_REG(hw, REG_RXD_DMA_CTRL, 0); /* RXD threshold.*/ - } - if (hw->nic_type == athr_l2c_b || hw->nic_type == athr_l1d_2) { - /* Power Saving for L2c_B */ - AT_READ_REG(hw, REG_SERDES_LOCK, &data); - data |= SERDES_MAC_CLK_SLOWDOWN; - data |= SERDES_PYH_CLK_SLOWDOWN; - AT_WRITE_REG(hw, REG_SERDES_LOCK, data); - } - /* Load all of base address above */ - AT_WRITE_REG(hw, REG_LOAD_PTR, 1); -} - -static void atl1c_configure_tx(struct atl1c_adapter *adapter) -{ - struct atl1c_hw *hw = &adapter->hw; - u32 dev_ctrl_data; - u32 max_pay_load; - u16 tx_offload_thresh; - u32 txq_ctrl_data; - u32 max_pay_load_data; - - tx_offload_thresh = MAX_TX_OFFLOAD_THRESH; - AT_WRITE_REG(hw, REG_TX_TSO_OFFLOAD_THRESH, - (tx_offload_thresh >> 3) & TX_TSO_OFFLOAD_THRESH_MASK); - AT_READ_REG(hw, REG_DEVICE_CTRL, &dev_ctrl_data); - max_pay_load = (dev_ctrl_data >> DEVICE_CTRL_MAX_PAYLOAD_SHIFT) & - DEVICE_CTRL_MAX_PAYLOAD_MASK; - hw->dmaw_block = min_t(u32, max_pay_load, hw->dmaw_block); - max_pay_load = (dev_ctrl_data >> DEVICE_CTRL_MAX_RREQ_SZ_SHIFT) & - DEVICE_CTRL_MAX_RREQ_SZ_MASK; - hw->dmar_block = min_t(u32, max_pay_load, hw->dmar_block); - - txq_ctrl_data = (hw->tpd_burst & TXQ_NUM_TPD_BURST_MASK) << - TXQ_NUM_TPD_BURST_SHIFT; - if (hw->ctrl_flags & ATL1C_TXQ_MODE_ENHANCE) - txq_ctrl_data |= TXQ_CTRL_ENH_MODE; - max_pay_load_data = (atl1c_pay_load_size[hw->dmar_block] & - TXQ_TXF_BURST_NUM_MASK) << TXQ_TXF_BURST_NUM_SHIFT; - if (hw->nic_type == athr_l2c_b || hw->nic_type == athr_l2c_b2) - max_pay_load_data >>= 1; - txq_ctrl_data |= max_pay_load_data; - - AT_WRITE_REG(hw, REG_TXQ_CTRL, txq_ctrl_data); -} - -static void atl1c_configure_rx(struct atl1c_adapter *adapter) -{ - struct atl1c_hw *hw = &adapter->hw; - u32 rxq_ctrl_data; - - rxq_ctrl_data = (hw->rfd_burst & RXQ_RFD_BURST_NUM_MASK) << - RXQ_RFD_BURST_NUM_SHIFT; - - if (hw->ctrl_flags & ATL1C_RX_IPV6_CHKSUM) - rxq_ctrl_data |= IPV6_CHKSUM_CTRL_EN; - if (hw->rss_type == atl1c_rss_ipv4) - rxq_ctrl_data |= RSS_HASH_IPV4; - if (hw->rss_type == atl1c_rss_ipv4_tcp) - rxq_ctrl_data |= RSS_HASH_IPV4_TCP; - if (hw->rss_type == atl1c_rss_ipv6) - rxq_ctrl_data |= RSS_HASH_IPV6; - if (hw->rss_type == atl1c_rss_ipv6_tcp) - rxq_ctrl_data |= RSS_HASH_IPV6_TCP; - if (hw->rss_type != atl1c_rss_disable) - rxq_ctrl_data |= RRS_HASH_CTRL_EN; - - rxq_ctrl_data |= (hw->rss_mode & RSS_MODE_MASK) << - RSS_MODE_SHIFT; - rxq_ctrl_data |= (hw->rss_hash_bits & RSS_HASH_BITS_MASK) << - RSS_HASH_BITS_SHIFT; - if (hw->ctrl_flags & ATL1C_ASPM_CTRL_MON) - rxq_ctrl_data |= (ASPM_THRUPUT_LIMIT_1M & - ASPM_THRUPUT_LIMIT_MASK) << ASPM_THRUPUT_LIMIT_SHIFT; - - AT_WRITE_REG(hw, REG_RXQ_CTRL, rxq_ctrl_data); -} - -static void atl1c_configure_rss(struct atl1c_adapter *adapter) -{ - struct atl1c_hw *hw = &adapter->hw; - - AT_WRITE_REG(hw, REG_IDT_TABLE, hw->indirect_tab); - AT_WRITE_REG(hw, REG_BASE_CPU_NUMBER, hw->base_cpu); -} - -static void atl1c_configure_dma(struct atl1c_adapter *adapter) -{ - struct atl1c_hw *hw = &adapter->hw; - u32 dma_ctrl_data; - - dma_ctrl_data = DMA_CTRL_DMAR_REQ_PRI; - if (hw->ctrl_flags & ATL1C_CMB_ENABLE) - dma_ctrl_data |= DMA_CTRL_CMB_EN; - if (hw->ctrl_flags & ATL1C_SMB_ENABLE) - dma_ctrl_data |= DMA_CTRL_SMB_EN; - else - dma_ctrl_data |= MAC_CTRL_SMB_DIS; - - switch (hw->dma_order) { - case atl1c_dma_ord_in: - dma_ctrl_data |= DMA_CTRL_DMAR_IN_ORDER; - break; - case atl1c_dma_ord_enh: - dma_ctrl_data |= DMA_CTRL_DMAR_ENH_ORDER; - break; - case atl1c_dma_ord_out: - dma_ctrl_data |= DMA_CTRL_DMAR_OUT_ORDER; - break; - default: - break; - } - - dma_ctrl_data |= (((u32)hw->dmar_block) & DMA_CTRL_DMAR_BURST_LEN_MASK) - << DMA_CTRL_DMAR_BURST_LEN_SHIFT; - dma_ctrl_data |= (((u32)hw->dmaw_block) & DMA_CTRL_DMAW_BURST_LEN_MASK) - << DMA_CTRL_DMAW_BURST_LEN_SHIFT; - dma_ctrl_data |= (((u32)hw->dmar_dly_cnt) & DMA_CTRL_DMAR_DLY_CNT_MASK) - << DMA_CTRL_DMAR_DLY_CNT_SHIFT; - dma_ctrl_data |= (((u32)hw->dmaw_dly_cnt) & DMA_CTRL_DMAW_DLY_CNT_MASK) - << DMA_CTRL_DMAW_DLY_CNT_SHIFT; - - AT_WRITE_REG(hw, REG_DMA_CTRL, dma_ctrl_data); -} - -/* - * Stop the mac, transmit and receive units - * hw - Struct containing variables accessed by shared code - * return : 0 or idle status (if error) - */ -static int atl1c_stop_mac(struct atl1c_hw *hw) -{ - u32 data; - - AT_READ_REG(hw, REG_RXQ_CTRL, &data); - data &= ~(RXQ1_CTRL_EN | RXQ2_CTRL_EN | - RXQ3_CTRL_EN | RXQ_CTRL_EN); - AT_WRITE_REG(hw, REG_RXQ_CTRL, data); - - AT_READ_REG(hw, REG_TXQ_CTRL, &data); - data &= ~TXQ_CTRL_EN; - AT_WRITE_REG(hw, REG_TWSI_CTRL, data); - - atl1c_wait_until_idle(hw); - - AT_READ_REG(hw, REG_MAC_CTRL, &data); - data &= ~(MAC_CTRL_TX_EN | MAC_CTRL_RX_EN); - AT_WRITE_REG(hw, REG_MAC_CTRL, data); - - return (int)atl1c_wait_until_idle(hw); -} - -static void atl1c_enable_rx_ctrl(struct atl1c_hw *hw) -{ - u32 data; - - AT_READ_REG(hw, REG_RXQ_CTRL, &data); - switch (hw->adapter->num_rx_queues) { - case 4: - data |= (RXQ3_CTRL_EN | RXQ2_CTRL_EN | RXQ1_CTRL_EN); - break; - case 3: - data |= (RXQ2_CTRL_EN | RXQ1_CTRL_EN); - break; - case 2: - data |= RXQ1_CTRL_EN; - break; - default: - break; - } - data |= RXQ_CTRL_EN; - AT_WRITE_REG(hw, REG_RXQ_CTRL, data); -} - -static void atl1c_enable_tx_ctrl(struct atl1c_hw *hw) -{ - u32 data; - - AT_READ_REG(hw, REG_TXQ_CTRL, &data); - data |= TXQ_CTRL_EN; - AT_WRITE_REG(hw, REG_TXQ_CTRL, data); -} - -/* - * Reset the transmit and receive units; mask and clear all interrupts. - * hw - Struct containing variables accessed by shared code - * return : 0 or idle status (if error) - */ -static int atl1c_reset_mac(struct atl1c_hw *hw) -{ - struct atl1c_adapter *adapter = (struct atl1c_adapter *)hw->adapter; - struct pci_dev *pdev = adapter->pdev; - u32 master_ctrl_data = 0; - - AT_WRITE_REG(hw, REG_IMR, 0); - AT_WRITE_REG(hw, REG_ISR, ISR_DIS_INT); - - atl1c_stop_mac(hw); - /* - * Issue Soft Reset to the MAC. This will reset the chip's - * transmit, receive, DMA. It will not effect - * the current PCI configuration. The global reset bit is self- - * clearing, and should clear within a microsecond. - */ - AT_READ_REG(hw, REG_MASTER_CTRL, &master_ctrl_data); - master_ctrl_data |= MASTER_CTRL_OOB_DIS_OFF; - AT_WRITE_REGW(hw, REG_MASTER_CTRL, ((master_ctrl_data | MASTER_CTRL_SOFT_RST) - & 0xFFFF)); - - AT_WRITE_FLUSH(hw); - msleep(10); - /* Wait at least 10ms for All module to be Idle */ - - if (atl1c_wait_until_idle(hw)) { - dev_err(&pdev->dev, - "MAC state machine can't be idle since" - " disabled for 10ms second\n"); - return -1; - } - return 0; -} - -static void atl1c_disable_l0s_l1(struct atl1c_hw *hw) -{ - u32 pm_ctrl_data; - - AT_READ_REG(hw, REG_PM_CTRL, &pm_ctrl_data); - pm_ctrl_data &= ~(PM_CTRL_L1_ENTRY_TIMER_MASK << - PM_CTRL_L1_ENTRY_TIMER_SHIFT); - pm_ctrl_data &= ~PM_CTRL_CLK_SWH_L1; - pm_ctrl_data &= ~PM_CTRL_ASPM_L0S_EN; - pm_ctrl_data &= ~PM_CTRL_ASPM_L1_EN; - pm_ctrl_data &= ~PM_CTRL_MAC_ASPM_CHK; - pm_ctrl_data &= ~PM_CTRL_SERDES_PD_EX_L1; - - pm_ctrl_data |= PM_CTRL_SERDES_BUDS_RX_L1_EN; - pm_ctrl_data |= PM_CTRL_SERDES_PLL_L1_EN; - pm_ctrl_data |= PM_CTRL_SERDES_L1_EN; - AT_WRITE_REG(hw, REG_PM_CTRL, pm_ctrl_data); -} - -/* - * Set ASPM state. - * Enable/disable L0s/L1 depend on link state. - */ -static void atl1c_set_aspm(struct atl1c_hw *hw, bool linkup) -{ - u32 pm_ctrl_data; - u32 link_ctrl_data; - u32 link_l1_timer = 0xF; - - AT_READ_REG(hw, REG_PM_CTRL, &pm_ctrl_data); - AT_READ_REG(hw, REG_LINK_CTRL, &link_ctrl_data); - - pm_ctrl_data &= ~PM_CTRL_SERDES_PD_EX_L1; - pm_ctrl_data &= ~(PM_CTRL_L1_ENTRY_TIMER_MASK << - PM_CTRL_L1_ENTRY_TIMER_SHIFT); - pm_ctrl_data &= ~(PM_CTRL_LCKDET_TIMER_MASK << - PM_CTRL_LCKDET_TIMER_SHIFT); - pm_ctrl_data |= AT_LCKDET_TIMER << PM_CTRL_LCKDET_TIMER_SHIFT; - - if (hw->nic_type == athr_l2c_b || hw->nic_type == athr_l1d || - hw->nic_type == athr_l2c_b2 || hw->nic_type == athr_l1d_2) { - link_ctrl_data &= ~LINK_CTRL_EXT_SYNC; - if (!(hw->ctrl_flags & ATL1C_APS_MODE_ENABLE)) { - if (hw->nic_type == athr_l2c_b && hw->revision_id == L2CB_V10) - link_ctrl_data |= LINK_CTRL_EXT_SYNC; - } - - AT_WRITE_REG(hw, REG_LINK_CTRL, link_ctrl_data); - - pm_ctrl_data |= PM_CTRL_RCVR_WT_TIMER; - pm_ctrl_data &= ~(PM_CTRL_PM_REQ_TIMER_MASK << - PM_CTRL_PM_REQ_TIMER_SHIFT); - pm_ctrl_data |= AT_ASPM_L1_TIMER << - PM_CTRL_PM_REQ_TIMER_SHIFT; - pm_ctrl_data &= ~PM_CTRL_SA_DLY_EN; - pm_ctrl_data &= ~PM_CTRL_HOTRST; - pm_ctrl_data |= 1 << PM_CTRL_L1_ENTRY_TIMER_SHIFT; - pm_ctrl_data |= PM_CTRL_SERDES_PD_EX_L1; - } - pm_ctrl_data |= PM_CTRL_MAC_ASPM_CHK; - if (linkup) { - pm_ctrl_data &= ~PM_CTRL_ASPM_L1_EN; - pm_ctrl_data &= ~PM_CTRL_ASPM_L0S_EN; - if (hw->ctrl_flags & ATL1C_ASPM_L1_SUPPORT) - pm_ctrl_data |= PM_CTRL_ASPM_L1_EN; - if (hw->ctrl_flags & ATL1C_ASPM_L0S_SUPPORT) - pm_ctrl_data |= PM_CTRL_ASPM_L0S_EN; - - if (hw->nic_type == athr_l2c_b || hw->nic_type == athr_l1d || - hw->nic_type == athr_l2c_b2 || hw->nic_type == athr_l1d_2) { - if (hw->nic_type == athr_l2c_b) - if (!(hw->ctrl_flags & ATL1C_APS_MODE_ENABLE)) - pm_ctrl_data &= ~PM_CTRL_ASPM_L0S_EN; - pm_ctrl_data &= ~PM_CTRL_SERDES_L1_EN; - pm_ctrl_data &= ~PM_CTRL_SERDES_PLL_L1_EN; - pm_ctrl_data &= ~PM_CTRL_SERDES_BUDS_RX_L1_EN; - pm_ctrl_data |= PM_CTRL_CLK_SWH_L1; - if (hw->adapter->link_speed == SPEED_100 || - hw->adapter->link_speed == SPEED_1000) { - pm_ctrl_data &= ~(PM_CTRL_L1_ENTRY_TIMER_MASK << - PM_CTRL_L1_ENTRY_TIMER_SHIFT); - if (hw->nic_type == athr_l2c_b) - link_l1_timer = 7; - else if (hw->nic_type == athr_l2c_b2 || - hw->nic_type == athr_l1d_2) - link_l1_timer = 4; - pm_ctrl_data |= link_l1_timer << - PM_CTRL_L1_ENTRY_TIMER_SHIFT; - } - } else { - pm_ctrl_data |= PM_CTRL_SERDES_L1_EN; - pm_ctrl_data |= PM_CTRL_SERDES_PLL_L1_EN; - pm_ctrl_data |= PM_CTRL_SERDES_BUDS_RX_L1_EN; - pm_ctrl_data &= ~PM_CTRL_CLK_SWH_L1; - pm_ctrl_data &= ~PM_CTRL_ASPM_L0S_EN; - pm_ctrl_data &= ~PM_CTRL_ASPM_L1_EN; - - } - } else { - pm_ctrl_data &= ~PM_CTRL_SERDES_L1_EN; - pm_ctrl_data &= ~PM_CTRL_ASPM_L0S_EN; - pm_ctrl_data &= ~PM_CTRL_SERDES_PLL_L1_EN; - pm_ctrl_data |= PM_CTRL_CLK_SWH_L1; - - if (hw->ctrl_flags & ATL1C_ASPM_L1_SUPPORT) - pm_ctrl_data |= PM_CTRL_ASPM_L1_EN; - else - pm_ctrl_data &= ~PM_CTRL_ASPM_L1_EN; - } - AT_WRITE_REG(hw, REG_PM_CTRL, pm_ctrl_data); - - return; -} - -static void atl1c_setup_mac_ctrl(struct atl1c_adapter *adapter) -{ - struct atl1c_hw *hw = &adapter->hw; - struct net_device *netdev = adapter->netdev; - u32 mac_ctrl_data; - - mac_ctrl_data = MAC_CTRL_TX_EN | MAC_CTRL_RX_EN; - mac_ctrl_data |= (MAC_CTRL_TX_FLOW | MAC_CTRL_RX_FLOW); - - if (adapter->link_duplex == FULL_DUPLEX) { - hw->mac_duplex = true; - mac_ctrl_data |= MAC_CTRL_DUPLX; - } - - if (adapter->link_speed == SPEED_1000) - hw->mac_speed = atl1c_mac_speed_1000; - else - hw->mac_speed = atl1c_mac_speed_10_100; - - mac_ctrl_data |= (hw->mac_speed & MAC_CTRL_SPEED_MASK) << - MAC_CTRL_SPEED_SHIFT; - - mac_ctrl_data |= (MAC_CTRL_ADD_CRC | MAC_CTRL_PAD); - mac_ctrl_data |= ((hw->preamble_len & MAC_CTRL_PRMLEN_MASK) << - MAC_CTRL_PRMLEN_SHIFT); - - __atl1c_vlan_mode(netdev->features, &mac_ctrl_data); - - mac_ctrl_data |= MAC_CTRL_BC_EN; - if (netdev->flags & IFF_PROMISC) - mac_ctrl_data |= MAC_CTRL_PROMIS_EN; - if (netdev->flags & IFF_ALLMULTI) - mac_ctrl_data |= MAC_CTRL_MC_ALL_EN; - - mac_ctrl_data |= MAC_CTRL_SINGLE_PAUSE_EN; - if (hw->nic_type == athr_l1d || hw->nic_type == athr_l2c_b2 || - hw->nic_type == athr_l1d_2) { - mac_ctrl_data |= MAC_CTRL_SPEED_MODE_SW; - mac_ctrl_data |= MAC_CTRL_HASH_ALG_CRC32; - } - AT_WRITE_REG(hw, REG_MAC_CTRL, mac_ctrl_data); -} - -/* - * atl1c_configure - Configure Transmit&Receive Unit after Reset - * @adapter: board private structure - * - * Configure the Tx /Rx unit of the MAC after a reset. - */ -static int atl1c_configure(struct atl1c_adapter *adapter) -{ - struct atl1c_hw *hw = &adapter->hw; - u32 master_ctrl_data = 0; - u32 intr_modrt_data; - u32 data; - - /* clear interrupt status */ - AT_WRITE_REG(hw, REG_ISR, 0xFFFFFFFF); - /* Clear any WOL status */ - AT_WRITE_REG(hw, REG_WOL_CTRL, 0); - /* set Interrupt Clear Timer - * HW will enable self to assert interrupt event to system after - * waiting x-time for software to notify it accept interrupt. - */ - - data = CLK_GATING_EN_ALL; - if (hw->ctrl_flags & ATL1C_CLK_GATING_EN) { - if (hw->nic_type == athr_l2c_b) - data &= ~CLK_GATING_RXMAC_EN; - } else - data = 0; - AT_WRITE_REG(hw, REG_CLK_GATING_CTRL, data); - - AT_WRITE_REG(hw, REG_INT_RETRIG_TIMER, - hw->ict & INT_RETRIG_TIMER_MASK); - - atl1c_configure_des_ring(adapter); - - if (hw->ctrl_flags & ATL1C_INTR_MODRT_ENABLE) { - intr_modrt_data = (hw->tx_imt & IRQ_MODRT_TIMER_MASK) << - IRQ_MODRT_TX_TIMER_SHIFT; - intr_modrt_data |= (hw->rx_imt & IRQ_MODRT_TIMER_MASK) << - IRQ_MODRT_RX_TIMER_SHIFT; - AT_WRITE_REG(hw, REG_IRQ_MODRT_TIMER_INIT, intr_modrt_data); - master_ctrl_data |= - MASTER_CTRL_TX_ITIMER_EN | MASTER_CTRL_RX_ITIMER_EN; - } - - if (hw->ctrl_flags & ATL1C_INTR_CLEAR_ON_READ) - master_ctrl_data |= MASTER_CTRL_INT_RDCLR; - - master_ctrl_data |= MASTER_CTRL_SA_TIMER_EN; - AT_WRITE_REG(hw, REG_MASTER_CTRL, master_ctrl_data); - - if (hw->ctrl_flags & ATL1C_CMB_ENABLE) { - AT_WRITE_REG(hw, REG_CMB_TPD_THRESH, - hw->cmb_tpd & CMB_TPD_THRESH_MASK); - AT_WRITE_REG(hw, REG_CMB_TX_TIMER, - hw->cmb_tx_timer & CMB_TX_TIMER_MASK); - } - - if (hw->ctrl_flags & ATL1C_SMB_ENABLE) - AT_WRITE_REG(hw, REG_SMB_STAT_TIMER, - hw->smb_timer & SMB_STAT_TIMER_MASK); - /* set MTU */ - AT_WRITE_REG(hw, REG_MTU, hw->max_frame_size + ETH_HLEN + - VLAN_HLEN + ETH_FCS_LEN); - /* HDS, disable */ - AT_WRITE_REG(hw, REG_HDS_CTRL, 0); - - atl1c_configure_tx(adapter); - atl1c_configure_rx(adapter); - atl1c_configure_rss(adapter); - atl1c_configure_dma(adapter); - - return 0; -} - -static void atl1c_update_hw_stats(struct atl1c_adapter *adapter) -{ - u16 hw_reg_addr = 0; - unsigned long *stats_item = NULL; - u32 data; - - /* update rx status */ - hw_reg_addr = REG_MAC_RX_STATUS_BIN; - stats_item = &adapter->hw_stats.rx_ok; - while (hw_reg_addr <= REG_MAC_RX_STATUS_END) { - AT_READ_REG(&adapter->hw, hw_reg_addr, &data); - *stats_item += data; - stats_item++; - hw_reg_addr += 4; - } -/* update tx status */ - hw_reg_addr = REG_MAC_TX_STATUS_BIN; - stats_item = &adapter->hw_stats.tx_ok; - while (hw_reg_addr <= REG_MAC_TX_STATUS_END) { - AT_READ_REG(&adapter->hw, hw_reg_addr, &data); - *stats_item += data; - stats_item++; - hw_reg_addr += 4; - } -} - -/* - * atl1c_get_stats - Get System Network Statistics - * @netdev: network interface device structure - * - * Returns the address of the device statistics structure. - * The statistics are actually updated from the timer callback. - */ -static struct net_device_stats *atl1c_get_stats(struct net_device *netdev) -{ - struct atl1c_adapter *adapter = netdev_priv(netdev); - struct atl1c_hw_stats *hw_stats = &adapter->hw_stats; - struct net_device_stats *net_stats = &netdev->stats; - - atl1c_update_hw_stats(adapter); - net_stats->rx_packets = hw_stats->rx_ok; - net_stats->tx_packets = hw_stats->tx_ok; - net_stats->rx_bytes = hw_stats->rx_byte_cnt; - net_stats->tx_bytes = hw_stats->tx_byte_cnt; - net_stats->multicast = hw_stats->rx_mcast; - net_stats->collisions = hw_stats->tx_1_col + - hw_stats->tx_2_col * 2 + - hw_stats->tx_late_col + hw_stats->tx_abort_col; - net_stats->rx_errors = hw_stats->rx_frag + hw_stats->rx_fcs_err + - hw_stats->rx_len_err + hw_stats->rx_sz_ov + - hw_stats->rx_rrd_ov + hw_stats->rx_align_err; - net_stats->rx_fifo_errors = hw_stats->rx_rxf_ov; - net_stats->rx_length_errors = hw_stats->rx_len_err; - net_stats->rx_crc_errors = hw_stats->rx_fcs_err; - net_stats->rx_frame_errors = hw_stats->rx_align_err; - net_stats->rx_over_errors = hw_stats->rx_rrd_ov + hw_stats->rx_rxf_ov; - - net_stats->rx_missed_errors = hw_stats->rx_rrd_ov + hw_stats->rx_rxf_ov; - - net_stats->tx_errors = hw_stats->tx_late_col + hw_stats->tx_abort_col + - hw_stats->tx_underrun + hw_stats->tx_trunc; - net_stats->tx_fifo_errors = hw_stats->tx_underrun; - net_stats->tx_aborted_errors = hw_stats->tx_abort_col; - net_stats->tx_window_errors = hw_stats->tx_late_col; - - return net_stats; -} - -static inline void atl1c_clear_phy_int(struct atl1c_adapter *adapter) -{ - u16 phy_data; - - spin_lock(&adapter->mdio_lock); - atl1c_read_phy_reg(&adapter->hw, MII_ISR, &phy_data); - spin_unlock(&adapter->mdio_lock); -} - -static bool atl1c_clean_tx_irq(struct atl1c_adapter *adapter, - enum atl1c_trans_queue type) -{ - struct atl1c_tpd_ring *tpd_ring = (struct atl1c_tpd_ring *) - &adapter->tpd_ring[type]; - struct atl1c_buffer *buffer_info; - struct pci_dev *pdev = adapter->pdev; - u16 next_to_clean = atomic_read(&tpd_ring->next_to_clean); - u16 hw_next_to_clean; - u16 shift; - u32 data; - - if (type == atl1c_trans_high) - shift = MB_HTPD_CONS_IDX_SHIFT; - else - shift = MB_NTPD_CONS_IDX_SHIFT; - - AT_READ_REG(&adapter->hw, REG_MB_PRIO_CONS_IDX, &data); - hw_next_to_clean = (data >> shift) & MB_PRIO_PROD_IDX_MASK; - - while (next_to_clean != hw_next_to_clean) { - buffer_info = &tpd_ring->buffer_info[next_to_clean]; - atl1c_clean_buffer(pdev, buffer_info, 1); - if (++next_to_clean == tpd_ring->count) - next_to_clean = 0; - atomic_set(&tpd_ring->next_to_clean, next_to_clean); - } - - if (netif_queue_stopped(adapter->netdev) && - netif_carrier_ok(adapter->netdev)) { - netif_wake_queue(adapter->netdev); - } - - return true; -} - -/* - * atl1c_intr - Interrupt Handler - * @irq: interrupt number - * @data: pointer to a network interface device structure - * @pt_regs: CPU registers structure - */ -static irqreturn_t atl1c_intr(int irq, void *data) -{ - struct net_device *netdev = data; - struct atl1c_adapter *adapter = netdev_priv(netdev); - struct pci_dev *pdev = adapter->pdev; - struct atl1c_hw *hw = &adapter->hw; - int max_ints = AT_MAX_INT_WORK; - int handled = IRQ_NONE; - u32 status; - u32 reg_data; - - do { - AT_READ_REG(hw, REG_ISR, ®_data); - status = reg_data & hw->intr_mask; - - if (status == 0 || (status & ISR_DIS_INT) != 0) { - if (max_ints != AT_MAX_INT_WORK) - handled = IRQ_HANDLED; - break; - } - /* link event */ - if (status & ISR_GPHY) - atl1c_clear_phy_int(adapter); - /* Ack ISR */ - AT_WRITE_REG(hw, REG_ISR, status | ISR_DIS_INT); - if (status & ISR_RX_PKT) { - if (likely(napi_schedule_prep(&adapter->napi))) { - hw->intr_mask &= ~ISR_RX_PKT; - AT_WRITE_REG(hw, REG_IMR, hw->intr_mask); - __napi_schedule(&adapter->napi); - } - } - if (status & ISR_TX_PKT) - atl1c_clean_tx_irq(adapter, atl1c_trans_normal); - - handled = IRQ_HANDLED; - /* check if PCIE PHY Link down */ - if (status & ISR_ERROR) { - if (netif_msg_hw(adapter)) - dev_err(&pdev->dev, - "atl1c hardware error (status = 0x%x)\n", - status & ISR_ERROR); - /* reset MAC */ - adapter->work_event |= ATL1C_WORK_EVENT_RESET; - schedule_work(&adapter->common_task); - return IRQ_HANDLED; - } - - if (status & ISR_OVER) - if (netif_msg_intr(adapter)) - dev_warn(&pdev->dev, - "TX/RX overflow (status = 0x%x)\n", - status & ISR_OVER); - - /* link event */ - if (status & (ISR_GPHY | ISR_MANUAL)) { - netdev->stats.tx_carrier_errors++; - atl1c_link_chg_event(adapter); - break; - } - - } while (--max_ints > 0); - /* re-enable Interrupt*/ - AT_WRITE_REG(&adapter->hw, REG_ISR, 0); - return handled; -} - -static inline void atl1c_rx_checksum(struct atl1c_adapter *adapter, - struct sk_buff *skb, struct atl1c_recv_ret_status *prrs) -{ - /* - * The pid field in RRS in not correct sometimes, so we - * cannot figure out if the packet is fragmented or not, - * so we tell the KERNEL CHECKSUM_NONE - */ - skb_checksum_none_assert(skb); -} - -static int atl1c_alloc_rx_buffer(struct atl1c_adapter *adapter, const int ringid) -{ - struct atl1c_rfd_ring *rfd_ring = &adapter->rfd_ring[ringid]; - struct pci_dev *pdev = adapter->pdev; - struct atl1c_buffer *buffer_info, *next_info; - struct sk_buff *skb; - void *vir_addr = NULL; - u16 num_alloc = 0; - u16 rfd_next_to_use, next_next; - struct atl1c_rx_free_desc *rfd_desc; - - next_next = rfd_next_to_use = rfd_ring->next_to_use; - if (++next_next == rfd_ring->count) - next_next = 0; - buffer_info = &rfd_ring->buffer_info[rfd_next_to_use]; - next_info = &rfd_ring->buffer_info[next_next]; - - while (next_info->flags & ATL1C_BUFFER_FREE) { - rfd_desc = ATL1C_RFD_DESC(rfd_ring, rfd_next_to_use); - - skb = dev_alloc_skb(adapter->rx_buffer_len); - if (unlikely(!skb)) { - if (netif_msg_rx_err(adapter)) - dev_warn(&pdev->dev, "alloc rx buffer failed\n"); - break; - } - - /* - * Make buffer alignment 2 beyond a 16 byte boundary - * this will result in a 16 byte aligned IP header after - * the 14 byte MAC header is removed - */ - vir_addr = skb->data; - ATL1C_SET_BUFFER_STATE(buffer_info, ATL1C_BUFFER_BUSY); - buffer_info->skb = skb; - buffer_info->length = adapter->rx_buffer_len; - buffer_info->dma = pci_map_single(pdev, vir_addr, - buffer_info->length, - PCI_DMA_FROMDEVICE); - ATL1C_SET_PCIMAP_TYPE(buffer_info, ATL1C_PCIMAP_SINGLE, - ATL1C_PCIMAP_FROMDEVICE); - rfd_desc->buffer_addr = cpu_to_le64(buffer_info->dma); - rfd_next_to_use = next_next; - if (++next_next == rfd_ring->count) - next_next = 0; - buffer_info = &rfd_ring->buffer_info[rfd_next_to_use]; - next_info = &rfd_ring->buffer_info[next_next]; - num_alloc++; - } - - if (num_alloc) { - /* TODO: update mailbox here */ - wmb(); - rfd_ring->next_to_use = rfd_next_to_use; - AT_WRITE_REG(&adapter->hw, atl1c_rfd_prod_idx_regs[ringid], - rfd_ring->next_to_use & MB_RFDX_PROD_IDX_MASK); - } - - return num_alloc; -} - -static void atl1c_clean_rrd(struct atl1c_rrd_ring *rrd_ring, - struct atl1c_recv_ret_status *rrs, u16 num) -{ - u16 i; - /* the relationship between rrd and rfd is one map one */ - for (i = 0; i < num; i++, rrs = ATL1C_RRD_DESC(rrd_ring, - rrd_ring->next_to_clean)) { - rrs->word3 &= ~RRS_RXD_UPDATED; - if (++rrd_ring->next_to_clean == rrd_ring->count) - rrd_ring->next_to_clean = 0; - } -} - -static void atl1c_clean_rfd(struct atl1c_rfd_ring *rfd_ring, - struct atl1c_recv_ret_status *rrs, u16 num) -{ - u16 i; - u16 rfd_index; - struct atl1c_buffer *buffer_info = rfd_ring->buffer_info; - - rfd_index = (rrs->word0 >> RRS_RX_RFD_INDEX_SHIFT) & - RRS_RX_RFD_INDEX_MASK; - for (i = 0; i < num; i++) { - buffer_info[rfd_index].skb = NULL; - ATL1C_SET_BUFFER_STATE(&buffer_info[rfd_index], - ATL1C_BUFFER_FREE); - if (++rfd_index == rfd_ring->count) - rfd_index = 0; - } - rfd_ring->next_to_clean = rfd_index; -} - -static void atl1c_clean_rx_irq(struct atl1c_adapter *adapter, u8 que, - int *work_done, int work_to_do) -{ - u16 rfd_num, rfd_index; - u16 count = 0; - u16 length; - struct pci_dev *pdev = adapter->pdev; - struct net_device *netdev = adapter->netdev; - struct atl1c_rfd_ring *rfd_ring = &adapter->rfd_ring[que]; - struct atl1c_rrd_ring *rrd_ring = &adapter->rrd_ring[que]; - struct sk_buff *skb; - struct atl1c_recv_ret_status *rrs; - struct atl1c_buffer *buffer_info; - - while (1) { - if (*work_done >= work_to_do) - break; - rrs = ATL1C_RRD_DESC(rrd_ring, rrd_ring->next_to_clean); - if (likely(RRS_RXD_IS_VALID(rrs->word3))) { - rfd_num = (rrs->word0 >> RRS_RX_RFD_CNT_SHIFT) & - RRS_RX_RFD_CNT_MASK; - if (unlikely(rfd_num != 1)) - /* TODO support mul rfd*/ - if (netif_msg_rx_err(adapter)) - dev_warn(&pdev->dev, - "Multi rfd not support yet!\n"); - goto rrs_checked; - } else { - break; - } -rrs_checked: - atl1c_clean_rrd(rrd_ring, rrs, rfd_num); - if (rrs->word3 & (RRS_RX_ERR_SUM | RRS_802_3_LEN_ERR)) { - atl1c_clean_rfd(rfd_ring, rrs, rfd_num); - if (netif_msg_rx_err(adapter)) - dev_warn(&pdev->dev, - "wrong packet! rrs word3 is %x\n", - rrs->word3); - continue; - } - - length = le16_to_cpu((rrs->word3 >> RRS_PKT_SIZE_SHIFT) & - RRS_PKT_SIZE_MASK); - /* Good Receive */ - if (likely(rfd_num == 1)) { - rfd_index = (rrs->word0 >> RRS_RX_RFD_INDEX_SHIFT) & - RRS_RX_RFD_INDEX_MASK; - buffer_info = &rfd_ring->buffer_info[rfd_index]; - pci_unmap_single(pdev, buffer_info->dma, - buffer_info->length, PCI_DMA_FROMDEVICE); - skb = buffer_info->skb; - } else { - /* TODO */ - if (netif_msg_rx_err(adapter)) - dev_warn(&pdev->dev, - "Multi rfd not support yet!\n"); - break; - } - atl1c_clean_rfd(rfd_ring, rrs, rfd_num); - skb_put(skb, length - ETH_FCS_LEN); - skb->protocol = eth_type_trans(skb, netdev); - atl1c_rx_checksum(adapter, skb, rrs); - if (rrs->word3 & RRS_VLAN_INS) { - u16 vlan; - - AT_TAG_TO_VLAN(rrs->vlan_tag, vlan); - vlan = le16_to_cpu(vlan); - __vlan_hwaccel_put_tag(skb, vlan); - } - netif_receive_skb(skb); - - (*work_done)++; - count++; - } - if (count) - atl1c_alloc_rx_buffer(adapter, que); -} - -/* - * atl1c_clean - NAPI Rx polling callback - * @adapter: board private structure - */ -static int atl1c_clean(struct napi_struct *napi, int budget) -{ - struct atl1c_adapter *adapter = - container_of(napi, struct atl1c_adapter, napi); - int work_done = 0; - - /* Keep link state information with original netdev */ - if (!netif_carrier_ok(adapter->netdev)) - goto quit_polling; - /* just enable one RXQ */ - atl1c_clean_rx_irq(adapter, 0, &work_done, budget); - - if (work_done < budget) { -quit_polling: - napi_complete(napi); - adapter->hw.intr_mask |= ISR_RX_PKT; - AT_WRITE_REG(&adapter->hw, REG_IMR, adapter->hw.intr_mask); - } - return work_done; -} - -#ifdef CONFIG_NET_POLL_CONTROLLER - -/* - * Polling 'interrupt' - used by things like netconsole to send skbs - * without having to re-enable interrupts. It's not called while - * the interrupt routine is executing. - */ -static void atl1c_netpoll(struct net_device *netdev) -{ - struct atl1c_adapter *adapter = netdev_priv(netdev); - - disable_irq(adapter->pdev->irq); - atl1c_intr(adapter->pdev->irq, netdev); - enable_irq(adapter->pdev->irq); -} -#endif - -static inline u16 atl1c_tpd_avail(struct atl1c_adapter *adapter, enum atl1c_trans_queue type) -{ - struct atl1c_tpd_ring *tpd_ring = &adapter->tpd_ring[type]; - u16 next_to_use = 0; - u16 next_to_clean = 0; - - next_to_clean = atomic_read(&tpd_ring->next_to_clean); - next_to_use = tpd_ring->next_to_use; - - return (u16)(next_to_clean > next_to_use) ? - (next_to_clean - next_to_use - 1) : - (tpd_ring->count + next_to_clean - next_to_use - 1); -} - -/* - * get next usable tpd - * Note: should call atl1c_tdp_avail to make sure - * there is enough tpd to use - */ -static struct atl1c_tpd_desc *atl1c_get_tpd(struct atl1c_adapter *adapter, - enum atl1c_trans_queue type) -{ - struct atl1c_tpd_ring *tpd_ring = &adapter->tpd_ring[type]; - struct atl1c_tpd_desc *tpd_desc; - u16 next_to_use = 0; - - next_to_use = tpd_ring->next_to_use; - if (++tpd_ring->next_to_use == tpd_ring->count) - tpd_ring->next_to_use = 0; - tpd_desc = ATL1C_TPD_DESC(tpd_ring, next_to_use); - memset(tpd_desc, 0, sizeof(struct atl1c_tpd_desc)); - return tpd_desc; -} - -static struct atl1c_buffer * -atl1c_get_tx_buffer(struct atl1c_adapter *adapter, struct atl1c_tpd_desc *tpd) -{ - struct atl1c_tpd_ring *tpd_ring = adapter->tpd_ring; - - return &tpd_ring->buffer_info[tpd - - (struct atl1c_tpd_desc *)tpd_ring->desc]; -} - -/* Calculate the transmit packet descript needed*/ -static u16 atl1c_cal_tpd_req(const struct sk_buff *skb) -{ - u16 tpd_req; - u16 proto_hdr_len = 0; - - tpd_req = skb_shinfo(skb)->nr_frags + 1; - - if (skb_is_gso(skb)) { - proto_hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb); - if (proto_hdr_len < skb_headlen(skb)) - tpd_req++; - if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6) - tpd_req++; - } - return tpd_req; -} - -static int atl1c_tso_csum(struct atl1c_adapter *adapter, - struct sk_buff *skb, - struct atl1c_tpd_desc **tpd, - enum atl1c_trans_queue type) -{ - struct pci_dev *pdev = adapter->pdev; - u8 hdr_len; - u32 real_len; - unsigned short offload_type; - int err; - - if (skb_is_gso(skb)) { - if (skb_header_cloned(skb)) { - err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC); - if (unlikely(err)) - return -1; - } - offload_type = skb_shinfo(skb)->gso_type; - - if (offload_type & SKB_GSO_TCPV4) { - real_len = (((unsigned char *)ip_hdr(skb) - skb->data) - + ntohs(ip_hdr(skb)->tot_len)); - - if (real_len < skb->len) - pskb_trim(skb, real_len); - - hdr_len = (skb_transport_offset(skb) + tcp_hdrlen(skb)); - if (unlikely(skb->len == hdr_len)) { - /* only xsum need */ - if (netif_msg_tx_queued(adapter)) - dev_warn(&pdev->dev, - "IPV4 tso with zero data??\n"); - goto check_sum; - } else { - ip_hdr(skb)->check = 0; - tcp_hdr(skb)->check = ~csum_tcpudp_magic( - ip_hdr(skb)->saddr, - ip_hdr(skb)->daddr, - 0, IPPROTO_TCP, 0); - (*tpd)->word1 |= 1 << TPD_IPV4_PACKET_SHIFT; - } - } - - if (offload_type & SKB_GSO_TCPV6) { - struct atl1c_tpd_ext_desc *etpd = - *(struct atl1c_tpd_ext_desc **)(tpd); - - memset(etpd, 0, sizeof(struct atl1c_tpd_ext_desc)); - *tpd = atl1c_get_tpd(adapter, type); - ipv6_hdr(skb)->payload_len = 0; - /* check payload == 0 byte ? */ - hdr_len = (skb_transport_offset(skb) + tcp_hdrlen(skb)); - if (unlikely(skb->len == hdr_len)) { - /* only xsum need */ - if (netif_msg_tx_queued(adapter)) - dev_warn(&pdev->dev, - "IPV6 tso with zero data??\n"); - goto check_sum; - } else - tcp_hdr(skb)->check = ~csum_ipv6_magic( - &ipv6_hdr(skb)->saddr, - &ipv6_hdr(skb)->daddr, - 0, IPPROTO_TCP, 0); - etpd->word1 |= 1 << TPD_LSO_EN_SHIFT; - etpd->word1 |= 1 << TPD_LSO_VER_SHIFT; - etpd->pkt_len = cpu_to_le32(skb->len); - (*tpd)->word1 |= 1 << TPD_LSO_VER_SHIFT; - } - - (*tpd)->word1 |= 1 << TPD_LSO_EN_SHIFT; - (*tpd)->word1 |= (skb_transport_offset(skb) & TPD_TCPHDR_OFFSET_MASK) << - TPD_TCPHDR_OFFSET_SHIFT; - (*tpd)->word1 |= (skb_shinfo(skb)->gso_size & TPD_MSS_MASK) << - TPD_MSS_SHIFT; - return 0; - } - -check_sum: - if (likely(skb->ip_summed == CHECKSUM_PARTIAL)) { - u8 css, cso; - cso = skb_checksum_start_offset(skb); - - if (unlikely(cso & 0x1)) { - if (netif_msg_tx_err(adapter)) - dev_err(&adapter->pdev->dev, - "payload offset should not an event number\n"); - return -1; - } else { - css = cso + skb->csum_offset; - - (*tpd)->word1 |= ((cso >> 1) & TPD_PLOADOFFSET_MASK) << - TPD_PLOADOFFSET_SHIFT; - (*tpd)->word1 |= ((css >> 1) & TPD_CCSUM_OFFSET_MASK) << - TPD_CCSUM_OFFSET_SHIFT; - (*tpd)->word1 |= 1 << TPD_CCSUM_EN_SHIFT; - } - } - return 0; -} - -static void atl1c_tx_map(struct atl1c_adapter *adapter, - struct sk_buff *skb, struct atl1c_tpd_desc *tpd, - enum atl1c_trans_queue type) -{ - struct atl1c_tpd_desc *use_tpd = NULL; - struct atl1c_buffer *buffer_info = NULL; - u16 buf_len = skb_headlen(skb); - u16 map_len = 0; - u16 mapped_len = 0; - u16 hdr_len = 0; - u16 nr_frags; - u16 f; - int tso; - - nr_frags = skb_shinfo(skb)->nr_frags; - tso = (tpd->word1 >> TPD_LSO_EN_SHIFT) & TPD_LSO_EN_MASK; - if (tso) { - /* TSO */ - map_len = hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb); - use_tpd = tpd; - - buffer_info = atl1c_get_tx_buffer(adapter, use_tpd); - buffer_info->length = map_len; - buffer_info->dma = pci_map_single(adapter->pdev, - skb->data, hdr_len, PCI_DMA_TODEVICE); - ATL1C_SET_BUFFER_STATE(buffer_info, ATL1C_BUFFER_BUSY); - ATL1C_SET_PCIMAP_TYPE(buffer_info, ATL1C_PCIMAP_SINGLE, - ATL1C_PCIMAP_TODEVICE); - mapped_len += map_len; - use_tpd->buffer_addr = cpu_to_le64(buffer_info->dma); - use_tpd->buffer_len = cpu_to_le16(buffer_info->length); - } - - if (mapped_len < buf_len) { - /* mapped_len == 0, means we should use the first tpd, - which is given by caller */ - if (mapped_len == 0) - use_tpd = tpd; - else { - use_tpd = atl1c_get_tpd(adapter, type); - memcpy(use_tpd, tpd, sizeof(struct atl1c_tpd_desc)); - } - buffer_info = atl1c_get_tx_buffer(adapter, use_tpd); - buffer_info->length = buf_len - mapped_len; - buffer_info->dma = - pci_map_single(adapter->pdev, skb->data + mapped_len, - buffer_info->length, PCI_DMA_TODEVICE); - ATL1C_SET_BUFFER_STATE(buffer_info, ATL1C_BUFFER_BUSY); - ATL1C_SET_PCIMAP_TYPE(buffer_info, ATL1C_PCIMAP_SINGLE, - ATL1C_PCIMAP_TODEVICE); - use_tpd->buffer_addr = cpu_to_le64(buffer_info->dma); - use_tpd->buffer_len = cpu_to_le16(buffer_info->length); - } - - for (f = 0; f < nr_frags; f++) { - struct skb_frag_struct *frag; - - frag = &skb_shinfo(skb)->frags[f]; - - use_tpd = atl1c_get_tpd(adapter, type); - memcpy(use_tpd, tpd, sizeof(struct atl1c_tpd_desc)); - - buffer_info = atl1c_get_tx_buffer(adapter, use_tpd); - buffer_info->length = frag->size; - buffer_info->dma = - pci_map_page(adapter->pdev, frag->page, - frag->page_offset, - buffer_info->length, - PCI_DMA_TODEVICE); - ATL1C_SET_BUFFER_STATE(buffer_info, ATL1C_BUFFER_BUSY); - ATL1C_SET_PCIMAP_TYPE(buffer_info, ATL1C_PCIMAP_PAGE, - ATL1C_PCIMAP_TODEVICE); - use_tpd->buffer_addr = cpu_to_le64(buffer_info->dma); - use_tpd->buffer_len = cpu_to_le16(buffer_info->length); - } - - /* The last tpd */ - use_tpd->word1 |= 1 << TPD_EOP_SHIFT; - /* The last buffer info contain the skb address, - so it will be free after unmap */ - buffer_info->skb = skb; -} - -static void atl1c_tx_queue(struct atl1c_adapter *adapter, struct sk_buff *skb, - struct atl1c_tpd_desc *tpd, enum atl1c_trans_queue type) -{ - struct atl1c_tpd_ring *tpd_ring = &adapter->tpd_ring[type]; - u32 prod_data; - - AT_READ_REG(&adapter->hw, REG_MB_PRIO_PROD_IDX, &prod_data); - switch (type) { - case atl1c_trans_high: - prod_data &= 0xFFFF0000; - prod_data |= tpd_ring->next_to_use & 0xFFFF; - break; - case atl1c_trans_normal: - prod_data &= 0x0000FFFF; - prod_data |= (tpd_ring->next_to_use & 0xFFFF) << 16; - break; - default: - break; - } - wmb(); - AT_WRITE_REG(&adapter->hw, REG_MB_PRIO_PROD_IDX, prod_data); -} - -static netdev_tx_t atl1c_xmit_frame(struct sk_buff *skb, - struct net_device *netdev) -{ - struct atl1c_adapter *adapter = netdev_priv(netdev); - unsigned long flags; - u16 tpd_req = 1; - struct atl1c_tpd_desc *tpd; - enum atl1c_trans_queue type = atl1c_trans_normal; - - if (test_bit(__AT_DOWN, &adapter->flags)) { - dev_kfree_skb_any(skb); - return NETDEV_TX_OK; - } - - tpd_req = atl1c_cal_tpd_req(skb); - if (!spin_trylock_irqsave(&adapter->tx_lock, flags)) { - if (netif_msg_pktdata(adapter)) - dev_info(&adapter->pdev->dev, "tx locked\n"); - return NETDEV_TX_LOCKED; - } - if (skb->mark == 0x01) - type = atl1c_trans_high; - else - type = atl1c_trans_normal; - - if (atl1c_tpd_avail(adapter, type) < tpd_req) { - /* no enough descriptor, just stop queue */ - netif_stop_queue(netdev); - spin_unlock_irqrestore(&adapter->tx_lock, flags); - return NETDEV_TX_BUSY; - } - - tpd = atl1c_get_tpd(adapter, type); - - /* do TSO and check sum */ - if (atl1c_tso_csum(adapter, skb, &tpd, type) != 0) { - spin_unlock_irqrestore(&adapter->tx_lock, flags); - dev_kfree_skb_any(skb); - return NETDEV_TX_OK; - } - - if (unlikely(vlan_tx_tag_present(skb))) { - u16 vlan = vlan_tx_tag_get(skb); - __le16 tag; - - vlan = cpu_to_le16(vlan); - AT_VLAN_TO_TAG(vlan, tag); - tpd->word1 |= 1 << TPD_INS_VTAG_SHIFT; - tpd->vlan_tag = tag; - } - - if (skb_network_offset(skb) != ETH_HLEN) - tpd->word1 |= 1 << TPD_ETH_TYPE_SHIFT; /* Ethernet frame */ - - atl1c_tx_map(adapter, skb, tpd, type); - atl1c_tx_queue(adapter, skb, tpd, type); - - spin_unlock_irqrestore(&adapter->tx_lock, flags); - return NETDEV_TX_OK; -} - -static void atl1c_free_irq(struct atl1c_adapter *adapter) -{ - struct net_device *netdev = adapter->netdev; - - free_irq(adapter->pdev->irq, netdev); - - if (adapter->have_msi) - pci_disable_msi(adapter->pdev); -} - -static int atl1c_request_irq(struct atl1c_adapter *adapter) -{ - struct pci_dev *pdev = adapter->pdev; - struct net_device *netdev = adapter->netdev; - int flags = 0; - int err = 0; - - adapter->have_msi = true; - err = pci_enable_msi(adapter->pdev); - if (err) { - if (netif_msg_ifup(adapter)) - dev_err(&pdev->dev, - "Unable to allocate MSI interrupt Error: %d\n", - err); - adapter->have_msi = false; - } else - netdev->irq = pdev->irq; - - if (!adapter->have_msi) - flags |= IRQF_SHARED; - err = request_irq(adapter->pdev->irq, atl1c_intr, flags, - netdev->name, netdev); - if (err) { - if (netif_msg_ifup(adapter)) - dev_err(&pdev->dev, - "Unable to allocate interrupt Error: %d\n", - err); - if (adapter->have_msi) - pci_disable_msi(adapter->pdev); - return err; - } - if (netif_msg_ifup(adapter)) - dev_dbg(&pdev->dev, "atl1c_request_irq OK\n"); - return err; -} - -static int atl1c_up(struct atl1c_adapter *adapter) -{ - struct net_device *netdev = adapter->netdev; - int num; - int err; - int i; - - netif_carrier_off(netdev); - atl1c_init_ring_ptrs(adapter); - atl1c_set_multi(netdev); - atl1c_restore_vlan(adapter); - - for (i = 0; i < adapter->num_rx_queues; i++) { - num = atl1c_alloc_rx_buffer(adapter, i); - if (unlikely(num == 0)) { - err = -ENOMEM; - goto err_alloc_rx; - } - } - - if (atl1c_configure(adapter)) { - err = -EIO; - goto err_up; - } - - err = atl1c_request_irq(adapter); - if (unlikely(err)) - goto err_up; - - clear_bit(__AT_DOWN, &adapter->flags); - napi_enable(&adapter->napi); - atl1c_irq_enable(adapter); - atl1c_check_link_status(adapter); - netif_start_queue(netdev); - return err; - -err_up: -err_alloc_rx: - atl1c_clean_rx_ring(adapter); - return err; -} - -static void atl1c_down(struct atl1c_adapter *adapter) -{ - struct net_device *netdev = adapter->netdev; - - atl1c_del_timer(adapter); - adapter->work_event = 0; /* clear all event */ - /* signal that we're down so the interrupt handler does not - * reschedule our watchdog timer */ - set_bit(__AT_DOWN, &adapter->flags); - netif_carrier_off(netdev); - napi_disable(&adapter->napi); - atl1c_irq_disable(adapter); - atl1c_free_irq(adapter); - /* reset MAC to disable all RX/TX */ - atl1c_reset_mac(&adapter->hw); - msleep(1); - - adapter->link_speed = SPEED_0; - adapter->link_duplex = -1; - atl1c_clean_tx_ring(adapter, atl1c_trans_normal); - atl1c_clean_tx_ring(adapter, atl1c_trans_high); - atl1c_clean_rx_ring(adapter); -} - -/* - * atl1c_open - Called when a network interface is made active - * @netdev: network interface device structure - * - * Returns 0 on success, negative value on failure - * - * The open entry point is called when a network interface is made - * active by the system (IFF_UP). At this point all resources needed - * for transmit and receive operations are allocated, the interrupt - * handler is registered with the OS, the watchdog timer is started, - * and the stack is notified that the interface is ready. - */ -static int atl1c_open(struct net_device *netdev) -{ - struct atl1c_adapter *adapter = netdev_priv(netdev); - int err; - - /* disallow open during test */ - if (test_bit(__AT_TESTING, &adapter->flags)) - return -EBUSY; - - /* allocate rx/tx dma buffer & descriptors */ - err = atl1c_setup_ring_resources(adapter); - if (unlikely(err)) - return err; - - err = atl1c_up(adapter); - if (unlikely(err)) - goto err_up; - - if (adapter->hw.ctrl_flags & ATL1C_FPGA_VERSION) { - u32 phy_data; - - AT_READ_REG(&adapter->hw, REG_MDIO_CTRL, &phy_data); - phy_data |= MDIO_AP_EN; - AT_WRITE_REG(&adapter->hw, REG_MDIO_CTRL, phy_data); - } - return 0; - -err_up: - atl1c_free_irq(adapter); - atl1c_free_ring_resources(adapter); - atl1c_reset_mac(&adapter->hw); - return err; -} - -/* - * atl1c_close - Disables a network interface - * @netdev: network interface device structure - * - * Returns 0, this is not allowed to fail - * - * The close entry point is called when an interface is de-activated - * by the OS. The hardware is still under the drivers control, but - * needs to be disabled. A global MAC reset is issued to stop the - * hardware, and all transmit and receive resources are freed. - */ -static int atl1c_close(struct net_device *netdev) -{ - struct atl1c_adapter *adapter = netdev_priv(netdev); - - WARN_ON(test_bit(__AT_RESETTING, &adapter->flags)); - atl1c_down(adapter); - atl1c_free_ring_resources(adapter); - return 0; -} - -static int atl1c_suspend(struct device *dev) -{ - struct pci_dev *pdev = to_pci_dev(dev); - struct net_device *netdev = pci_get_drvdata(pdev); - struct atl1c_adapter *adapter = netdev_priv(netdev); - struct atl1c_hw *hw = &adapter->hw; - u32 mac_ctrl_data = 0; - u32 master_ctrl_data = 0; - u32 wol_ctrl_data = 0; - u16 mii_intr_status_data = 0; - u32 wufc = adapter->wol; - - atl1c_disable_l0s_l1(hw); - if (netif_running(netdev)) { - WARN_ON(test_bit(__AT_RESETTING, &adapter->flags)); - atl1c_down(adapter); - } - netif_device_detach(netdev); - - if (wufc) - if (atl1c_phy_power_saving(hw) != 0) - dev_dbg(&pdev->dev, "phy power saving failed"); - - AT_READ_REG(hw, REG_MASTER_CTRL, &master_ctrl_data); - AT_READ_REG(hw, REG_MAC_CTRL, &mac_ctrl_data); - - master_ctrl_data &= ~MASTER_CTRL_CLK_SEL_DIS; - mac_ctrl_data &= ~(MAC_CTRL_PRMLEN_MASK << MAC_CTRL_PRMLEN_SHIFT); - mac_ctrl_data |= (((u32)adapter->hw.preamble_len & - MAC_CTRL_PRMLEN_MASK) << - MAC_CTRL_PRMLEN_SHIFT); - mac_ctrl_data &= ~(MAC_CTRL_SPEED_MASK << MAC_CTRL_SPEED_SHIFT); - mac_ctrl_data &= ~MAC_CTRL_DUPLX; - - if (wufc) { - mac_ctrl_data |= MAC_CTRL_RX_EN; - if (adapter->link_speed == SPEED_1000 || - adapter->link_speed == SPEED_0) { - mac_ctrl_data |= atl1c_mac_speed_1000 << - MAC_CTRL_SPEED_SHIFT; - mac_ctrl_data |= MAC_CTRL_DUPLX; - } else - mac_ctrl_data |= atl1c_mac_speed_10_100 << - MAC_CTRL_SPEED_SHIFT; - - if (adapter->link_duplex == DUPLEX_FULL) - mac_ctrl_data |= MAC_CTRL_DUPLX; - - /* turn on magic packet wol */ - if (wufc & AT_WUFC_MAG) - wol_ctrl_data |= WOL_MAGIC_EN | WOL_MAGIC_PME_EN; - - if (wufc & AT_WUFC_LNKC) { - wol_ctrl_data |= WOL_LINK_CHG_EN | WOL_LINK_CHG_PME_EN; - /* only link up can wake up */ - if (atl1c_write_phy_reg(hw, MII_IER, IER_LINK_UP) != 0) { - dev_dbg(&pdev->dev, "%s: read write phy " - "register failed.\n", - atl1c_driver_name); - } - } - /* clear phy interrupt */ - atl1c_read_phy_reg(hw, MII_ISR, &mii_intr_status_data); - /* Config MAC Ctrl register */ - __atl1c_vlan_mode(netdev->features, &mac_ctrl_data); - - /* magic packet maybe Broadcast&multicast&Unicast frame */ - if (wufc & AT_WUFC_MAG) - mac_ctrl_data |= MAC_CTRL_BC_EN; - - dev_dbg(&pdev->dev, - "%s: suspend MAC=0x%x\n", - atl1c_driver_name, mac_ctrl_data); - AT_WRITE_REG(hw, REG_MASTER_CTRL, master_ctrl_data); - AT_WRITE_REG(hw, REG_WOL_CTRL, wol_ctrl_data); - AT_WRITE_REG(hw, REG_MAC_CTRL, mac_ctrl_data); - - AT_WRITE_REG(hw, REG_GPHY_CTRL, GPHY_CTRL_DEFAULT | - GPHY_CTRL_EXT_RESET); - } else { - AT_WRITE_REG(hw, REG_GPHY_CTRL, GPHY_CTRL_POWER_SAVING); - master_ctrl_data |= MASTER_CTRL_CLK_SEL_DIS; - mac_ctrl_data |= atl1c_mac_speed_10_100 << MAC_CTRL_SPEED_SHIFT; - mac_ctrl_data |= MAC_CTRL_DUPLX; - AT_WRITE_REG(hw, REG_MASTER_CTRL, master_ctrl_data); - AT_WRITE_REG(hw, REG_MAC_CTRL, mac_ctrl_data); - AT_WRITE_REG(hw, REG_WOL_CTRL, 0); - hw->phy_configured = false; /* re-init PHY when resume */ - } - - return 0; -} - -#ifdef CONFIG_PM_SLEEP -static int atl1c_resume(struct device *dev) -{ - struct pci_dev *pdev = to_pci_dev(dev); - struct net_device *netdev = pci_get_drvdata(pdev); - struct atl1c_adapter *adapter = netdev_priv(netdev); - - AT_WRITE_REG(&adapter->hw, REG_WOL_CTRL, 0); - atl1c_reset_pcie(&adapter->hw, ATL1C_PCIE_L0S_L1_DISABLE | - ATL1C_PCIE_PHY_RESET); - - atl1c_phy_reset(&adapter->hw); - atl1c_reset_mac(&adapter->hw); - atl1c_phy_init(&adapter->hw); - -#if 0 - AT_READ_REG(&adapter->hw, REG_PM_CTRLSTAT, &pm_data); - pm_data &= ~PM_CTRLSTAT_PME_EN; - AT_WRITE_REG(&adapter->hw, REG_PM_CTRLSTAT, pm_data); -#endif - - netif_device_attach(netdev); - if (netif_running(netdev)) - atl1c_up(adapter); - - return 0; -} -#endif - -static void atl1c_shutdown(struct pci_dev *pdev) -{ - struct net_device *netdev = pci_get_drvdata(pdev); - struct atl1c_adapter *adapter = netdev_priv(netdev); - - atl1c_suspend(&pdev->dev); - pci_wake_from_d3(pdev, adapter->wol); - pci_set_power_state(pdev, PCI_D3hot); -} - -static const struct net_device_ops atl1c_netdev_ops = { - .ndo_open = atl1c_open, - .ndo_stop = atl1c_close, - .ndo_validate_addr = eth_validate_addr, - .ndo_start_xmit = atl1c_xmit_frame, - .ndo_set_mac_address = atl1c_set_mac_addr, - .ndo_set_multicast_list = atl1c_set_multi, - .ndo_change_mtu = atl1c_change_mtu, - .ndo_fix_features = atl1c_fix_features, - .ndo_set_features = atl1c_set_features, - .ndo_do_ioctl = atl1c_ioctl, - .ndo_tx_timeout = atl1c_tx_timeout, - .ndo_get_stats = atl1c_get_stats, -#ifdef CONFIG_NET_POLL_CONTROLLER - .ndo_poll_controller = atl1c_netpoll, -#endif -}; - -static int atl1c_init_netdev(struct net_device *netdev, struct pci_dev *pdev) -{ - SET_NETDEV_DEV(netdev, &pdev->dev); - pci_set_drvdata(pdev, netdev); - - netdev->irq = pdev->irq; - netdev->netdev_ops = &atl1c_netdev_ops; - netdev->watchdog_timeo = AT_TX_WATCHDOG; - atl1c_set_ethtool_ops(netdev); - - /* TODO: add when ready */ - netdev->hw_features = NETIF_F_SG | - NETIF_F_HW_CSUM | - NETIF_F_HW_VLAN_RX | - NETIF_F_TSO | - NETIF_F_TSO6; - netdev->features = netdev->hw_features | - NETIF_F_HW_VLAN_TX; - return 0; -} - -/* - * atl1c_probe - Device Initialization Routine - * @pdev: PCI device information struct - * @ent: entry in atl1c_pci_tbl - * - * Returns 0 on success, negative on failure - * - * atl1c_probe initializes an adapter identified by a pci_dev structure. - * The OS initialization, configuring of the adapter private structure, - * and a hardware reset occur. - */ -static int __devinit atl1c_probe(struct pci_dev *pdev, - const struct pci_device_id *ent) -{ - struct net_device *netdev; - struct atl1c_adapter *adapter; - static int cards_found; - - int err = 0; - - /* enable device (incl. PCI PM wakeup and hotplug setup) */ - err = pci_enable_device_mem(pdev); - if (err) { - dev_err(&pdev->dev, "cannot enable PCI device\n"); - return err; - } - - /* - * The atl1c chip can DMA to 64-bit addresses, but it uses a single - * shared register for the high 32 bits, so only a single, aligned, - * 4 GB physical address range can be used at a time. - * - * Supporting 64-bit DMA on this hardware is more trouble than it's - * worth. It is far easier to limit to 32-bit DMA than update - * various kernel subsystems to support the mechanics required by a - * fixed-high-32-bit system. - */ - if ((pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0) || - (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)) != 0)) { - dev_err(&pdev->dev, "No usable DMA configuration,aborting\n"); - goto err_dma; - } - - err = pci_request_regions(pdev, atl1c_driver_name); - if (err) { - dev_err(&pdev->dev, "cannot obtain PCI resources\n"); - goto err_pci_reg; - } - - pci_set_master(pdev); - - netdev = alloc_etherdev(sizeof(struct atl1c_adapter)); - if (netdev == NULL) { - err = -ENOMEM; - dev_err(&pdev->dev, "etherdev alloc failed\n"); - goto err_alloc_etherdev; - } - - err = atl1c_init_netdev(netdev, pdev); - if (err) { - dev_err(&pdev->dev, "init netdevice failed\n"); - goto err_init_netdev; - } - adapter = netdev_priv(netdev); - adapter->bd_number = cards_found; - adapter->netdev = netdev; - adapter->pdev = pdev; - adapter->hw.adapter = adapter; - adapter->msg_enable = netif_msg_init(-1, atl1c_default_msg); - adapter->hw.hw_addr = ioremap(pci_resource_start(pdev, 0), pci_resource_len(pdev, 0)); - if (!adapter->hw.hw_addr) { - err = -EIO; - dev_err(&pdev->dev, "cannot map device registers\n"); - goto err_ioremap; - } - netdev->base_addr = (unsigned long)adapter->hw.hw_addr; - - /* init mii data */ - adapter->mii.dev = netdev; - adapter->mii.mdio_read = atl1c_mdio_read; - adapter->mii.mdio_write = atl1c_mdio_write; - adapter->mii.phy_id_mask = 0x1f; - adapter->mii.reg_num_mask = MDIO_REG_ADDR_MASK; - netif_napi_add(netdev, &adapter->napi, atl1c_clean, 64); - setup_timer(&adapter->phy_config_timer, atl1c_phy_config, - (unsigned long)adapter); - /* setup the private structure */ - err = atl1c_sw_init(adapter); - if (err) { - dev_err(&pdev->dev, "net device private data init failed\n"); - goto err_sw_init; - } - atl1c_reset_pcie(&adapter->hw, ATL1C_PCIE_L0S_L1_DISABLE | - ATL1C_PCIE_PHY_RESET); - - /* Init GPHY as early as possible due to power saving issue */ - atl1c_phy_reset(&adapter->hw); - - err = atl1c_reset_mac(&adapter->hw); - if (err) { - err = -EIO; - goto err_reset; - } - - /* reset the controller to - * put the device in a known good starting state */ - err = atl1c_phy_init(&adapter->hw); - if (err) { - err = -EIO; - goto err_reset; - } - if (atl1c_read_mac_addr(&adapter->hw) != 0) { - err = -EIO; - dev_err(&pdev->dev, "get mac address failed\n"); - goto err_eeprom; - } - memcpy(netdev->dev_addr, adapter->hw.mac_addr, netdev->addr_len); - memcpy(netdev->perm_addr, adapter->hw.mac_addr, netdev->addr_len); - if (netif_msg_probe(adapter)) - dev_dbg(&pdev->dev, "mac address : %pM\n", - adapter->hw.mac_addr); - - atl1c_hw_set_mac_addr(&adapter->hw); - INIT_WORK(&adapter->common_task, atl1c_common_task); - adapter->work_event = 0; - err = register_netdev(netdev); - if (err) { - dev_err(&pdev->dev, "register netdevice failed\n"); - goto err_register; - } - - if (netif_msg_probe(adapter)) - dev_info(&pdev->dev, "version %s\n", ATL1C_DRV_VERSION); - cards_found++; - return 0; - -err_reset: -err_register: -err_sw_init: -err_eeprom: - iounmap(adapter->hw.hw_addr); -err_init_netdev: -err_ioremap: - free_netdev(netdev); -err_alloc_etherdev: - pci_release_regions(pdev); -err_pci_reg: -err_dma: - pci_disable_device(pdev); - return err; -} - -/* - * atl1c_remove - Device Removal Routine - * @pdev: PCI device information struct - * - * atl1c_remove is called by the PCI subsystem to alert the driver - * that it should release a PCI device. The could be caused by a - * Hot-Plug event, or because the driver is going to be removed from - * memory. - */ -static void __devexit atl1c_remove(struct pci_dev *pdev) -{ - struct net_device *netdev = pci_get_drvdata(pdev); - struct atl1c_adapter *adapter = netdev_priv(netdev); - - unregister_netdev(netdev); - atl1c_phy_disable(&adapter->hw); - - iounmap(adapter->hw.hw_addr); - - pci_release_regions(pdev); - pci_disable_device(pdev); - free_netdev(netdev); -} - -/* - * atl1c_io_error_detected - called when PCI error is detected - * @pdev: Pointer to PCI device - * @state: The current pci connection state - * - * This function is called after a PCI bus error affecting - * this device has been detected. - */ -static pci_ers_result_t atl1c_io_error_detected(struct pci_dev *pdev, - pci_channel_state_t state) -{ - struct net_device *netdev = pci_get_drvdata(pdev); - struct atl1c_adapter *adapter = netdev_priv(netdev); - - netif_device_detach(netdev); - - if (state == pci_channel_io_perm_failure) - return PCI_ERS_RESULT_DISCONNECT; - - if (netif_running(netdev)) - atl1c_down(adapter); - - pci_disable_device(pdev); - - /* Request a slot slot reset. */ - return PCI_ERS_RESULT_NEED_RESET; -} - -/* - * atl1c_io_slot_reset - called after the pci bus has been reset. - * @pdev: Pointer to PCI device - * - * Restart the card from scratch, as if from a cold-boot. Implementation - * resembles the first-half of the e1000_resume routine. - */ -static pci_ers_result_t atl1c_io_slot_reset(struct pci_dev *pdev) -{ - struct net_device *netdev = pci_get_drvdata(pdev); - struct atl1c_adapter *adapter = netdev_priv(netdev); - - if (pci_enable_device(pdev)) { - if (netif_msg_hw(adapter)) - dev_err(&pdev->dev, - "Cannot re-enable PCI device after reset\n"); - return PCI_ERS_RESULT_DISCONNECT; - } - pci_set_master(pdev); - - pci_enable_wake(pdev, PCI_D3hot, 0); - pci_enable_wake(pdev, PCI_D3cold, 0); - - atl1c_reset_mac(&adapter->hw); - - return PCI_ERS_RESULT_RECOVERED; -} - -/* - * atl1c_io_resume - called when traffic can start flowing again. - * @pdev: Pointer to PCI device - * - * This callback is called when the error recovery driver tells us that - * its OK to resume normal operation. Implementation resembles the - * second-half of the atl1c_resume routine. - */ -static void atl1c_io_resume(struct pci_dev *pdev) -{ - struct net_device *netdev = pci_get_drvdata(pdev); - struct atl1c_adapter *adapter = netdev_priv(netdev); - - if (netif_running(netdev)) { - if (atl1c_up(adapter)) { - if (netif_msg_hw(adapter)) - dev_err(&pdev->dev, - "Cannot bring device back up after reset\n"); - return; - } - } - - netif_device_attach(netdev); -} - -static struct pci_error_handlers atl1c_err_handler = { - .error_detected = atl1c_io_error_detected, - .slot_reset = atl1c_io_slot_reset, - .resume = atl1c_io_resume, -}; - -static SIMPLE_DEV_PM_OPS(atl1c_pm_ops, atl1c_suspend, atl1c_resume); - -static struct pci_driver atl1c_driver = { - .name = atl1c_driver_name, - .id_table = atl1c_pci_tbl, - .probe = atl1c_probe, - .remove = __devexit_p(atl1c_remove), - .shutdown = atl1c_shutdown, - .err_handler = &atl1c_err_handler, - .driver.pm = &atl1c_pm_ops, -}; - -/* - * atl1c_init_module - Driver Registration Routine - * - * atl1c_init_module is the first routine called when the driver is - * loaded. All it does is register with the PCI subsystem. - */ -static int __init atl1c_init_module(void) -{ - return pci_register_driver(&atl1c_driver); -} - -/* - * atl1c_exit_module - Driver Exit Cleanup Routine - * - * atl1c_exit_module is called just before the driver is removed - * from memory. - */ -static void __exit atl1c_exit_module(void) -{ - pci_unregister_driver(&atl1c_driver); -} - -module_init(atl1c_init_module); -module_exit(atl1c_exit_module); diff --git a/drivers/net/atl1e/Makefile b/drivers/net/atl1e/Makefile deleted file mode 100644 index bc11be824e76..000000000000 --- a/drivers/net/atl1e/Makefile +++ /dev/null @@ -1,2 +0,0 @@ -obj-$(CONFIG_ATL1E) += atl1e.o -atl1e-objs += atl1e_main.o atl1e_hw.o atl1e_ethtool.o atl1e_param.o diff --git a/drivers/net/atl1e/atl1e.h b/drivers/net/atl1e/atl1e.h deleted file mode 100644 index 829b5ad71d0d..000000000000 --- a/drivers/net/atl1e/atl1e.h +++ /dev/null @@ -1,509 +0,0 @@ -/* - * Copyright(c) 2007 Atheros Corporation. All rights reserved. - * Copyright(c) 2007 xiong huang - * - * Derived from Intel e1000 driver - * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., 59 - * Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -#ifndef _ATL1E_H_ -#define _ATL1E_H_ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include "atl1e_hw.h" - -#define PCI_REG_COMMAND 0x04 /* PCI Command Register */ -#define CMD_IO_SPACE 0x0001 -#define CMD_MEMORY_SPACE 0x0002 -#define CMD_BUS_MASTER 0x0004 - -#define BAR_0 0 -#define BAR_1 1 -#define BAR_5 5 - -/* Wake Up Filter Control */ -#define AT_WUFC_LNKC 0x00000001 /* Link Status Change Wakeup Enable */ -#define AT_WUFC_MAG 0x00000002 /* Magic Packet Wakeup Enable */ -#define AT_WUFC_EX 0x00000004 /* Directed Exact Wakeup Enable */ -#define AT_WUFC_MC 0x00000008 /* Multicast Wakeup Enable */ -#define AT_WUFC_BC 0x00000010 /* Broadcast Wakeup Enable */ - -#define SPEED_0 0xffff -#define HALF_DUPLEX 1 -#define FULL_DUPLEX 2 - -/* Error Codes */ -#define AT_ERR_EEPROM 1 -#define AT_ERR_PHY 2 -#define AT_ERR_CONFIG 3 -#define AT_ERR_PARAM 4 -#define AT_ERR_MAC_TYPE 5 -#define AT_ERR_PHY_TYPE 6 -#define AT_ERR_PHY_SPEED 7 -#define AT_ERR_PHY_RES 8 -#define AT_ERR_TIMEOUT 9 - -#define MAX_JUMBO_FRAME_SIZE 0x2000 - -#define AT_VLAN_TAG_TO_TPD_TAG(_vlan, _tpd) \ - _tpd = (((_vlan) << (4)) | (((_vlan) >> 13) & 7) |\ - (((_vlan) >> 9) & 8)) - -#define AT_TPD_TAG_TO_VLAN_TAG(_tpd, _vlan) \ - _vlan = (((_tpd) >> 8) | (((_tpd) & 0x77) << 9) |\ - (((_tdp) & 0x88) << 5)) - -#define AT_MAX_RECEIVE_QUEUE 4 -#define AT_PAGE_NUM_PER_QUEUE 2 - -#define AT_DMA_HI_ADDR_MASK 0xffffffff00000000ULL -#define AT_DMA_LO_ADDR_MASK 0x00000000ffffffffULL - -#define AT_TX_WATCHDOG (5 * HZ) -#define AT_MAX_INT_WORK 10 -#define AT_TWSI_EEPROM_TIMEOUT 100 -#define AT_HW_MAX_IDLE_DELAY 10 -#define AT_SUSPEND_LINK_TIMEOUT 28 - -#define AT_REGS_LEN 75 -#define AT_EEPROM_LEN 512 -#define AT_ADV_MASK (ADVERTISE_10_HALF |\ - ADVERTISE_10_FULL |\ - ADVERTISE_100_HALF |\ - ADVERTISE_100_FULL |\ - ADVERTISE_1000_FULL) - -/* tpd word 2 */ -#define TPD_BUFLEN_MASK 0x3FFF -#define TPD_BUFLEN_SHIFT 0 -#define TPD_DMAINT_MASK 0x0001 -#define TPD_DMAINT_SHIFT 14 -#define TPD_PKTNT_MASK 0x0001 -#define TPD_PKTINT_SHIFT 15 -#define TPD_VLANTAG_MASK 0xFFFF -#define TPD_VLAN_SHIFT 16 - -/* tpd word 3 bits 0:4 */ -#define TPD_EOP_MASK 0x0001 -#define TPD_EOP_SHIFT 0 -#define TPD_IP_VERSION_MASK 0x0001 -#define TPD_IP_VERSION_SHIFT 1 /* 0 : IPV4, 1 : IPV6 */ -#define TPD_INS_VL_TAG_MASK 0x0001 -#define TPD_INS_VL_TAG_SHIFT 2 -#define TPD_CC_SEGMENT_EN_MASK 0x0001 -#define TPD_CC_SEGMENT_EN_SHIFT 3 -#define TPD_SEGMENT_EN_MASK 0x0001 -#define TPD_SEGMENT_EN_SHIFT 4 - -/* tdp word 3 bits 5:7 if ip version is 0 */ -#define TPD_IP_CSUM_MASK 0x0001 -#define TPD_IP_CSUM_SHIFT 5 -#define TPD_TCP_CSUM_MASK 0x0001 -#define TPD_TCP_CSUM_SHIFT 6 -#define TPD_UDP_CSUM_MASK 0x0001 -#define TPD_UDP_CSUM_SHIFT 7 - -/* tdp word 3 bits 5:7 if ip version is 1 */ -#define TPD_V6_IPHLLO_MASK 0x0007 -#define TPD_V6_IPHLLO_SHIFT 7 - -/* tpd word 3 bits 8:9 bit */ -#define TPD_VL_TAGGED_MASK 0x0001 -#define TPD_VL_TAGGED_SHIFT 8 -#define TPD_ETHTYPE_MASK 0x0001 -#define TPD_ETHTYPE_SHIFT 9 - -/* tdp word 3 bits 10:13 if ip version is 0 */ -#define TDP_V4_IPHL_MASK 0x000F -#define TPD_V4_IPHL_SHIFT 10 - -/* tdp word 3 bits 10:13 if ip version is 1 */ -#define TPD_V6_IPHLHI_MASK 0x000F -#define TPD_V6_IPHLHI_SHIFT 10 - -/* tpd word 3 bit 14:31 if segment enabled */ -#define TPD_TCPHDRLEN_MASK 0x000F -#define TPD_TCPHDRLEN_SHIFT 14 -#define TPD_HDRFLAG_MASK 0x0001 -#define TPD_HDRFLAG_SHIFT 18 -#define TPD_MSS_MASK 0x1FFF -#define TPD_MSS_SHIFT 19 - -/* tdp word 3 bit 16:31 if custom csum enabled */ -#define TPD_PLOADOFFSET_MASK 0x00FF -#define TPD_PLOADOFFSET_SHIFT 16 -#define TPD_CCSUMOFFSET_MASK 0x00FF -#define TPD_CCSUMOFFSET_SHIFT 24 - -struct atl1e_tpd_desc { - __le64 buffer_addr; - __le32 word2; - __le32 word3; -}; - -/* how about 0x2000 */ -#define MAX_TX_BUF_LEN 0x2000 -#define MAX_TX_BUF_SHIFT 13 -/*#define MAX_TX_BUF_LEN 0x3000 */ - -/* rrs word 1 bit 0:31 */ -#define RRS_RX_CSUM_MASK 0xFFFF -#define RRS_RX_CSUM_SHIFT 0 -#define RRS_PKT_SIZE_MASK 0x3FFF -#define RRS_PKT_SIZE_SHIFT 16 -#define RRS_CPU_NUM_MASK 0x0003 -#define RRS_CPU_NUM_SHIFT 30 - -#define RRS_IS_RSS_IPV4 0x0001 -#define RRS_IS_RSS_IPV4_TCP 0x0002 -#define RRS_IS_RSS_IPV6 0x0004 -#define RRS_IS_RSS_IPV6_TCP 0x0008 -#define RRS_IS_IPV6 0x0010 -#define RRS_IS_IP_FRAG 0x0020 -#define RRS_IS_IP_DF 0x0040 -#define RRS_IS_802_3 0x0080 -#define RRS_IS_VLAN_TAG 0x0100 -#define RRS_IS_ERR_FRAME 0x0200 -#define RRS_IS_IPV4 0x0400 -#define RRS_IS_UDP 0x0800 -#define RRS_IS_TCP 0x1000 -#define RRS_IS_BCAST 0x2000 -#define RRS_IS_MCAST 0x4000 -#define RRS_IS_PAUSE 0x8000 - -#define RRS_ERR_BAD_CRC 0x0001 -#define RRS_ERR_CODE 0x0002 -#define RRS_ERR_DRIBBLE 0x0004 -#define RRS_ERR_RUNT 0x0008 -#define RRS_ERR_RX_OVERFLOW 0x0010 -#define RRS_ERR_TRUNC 0x0020 -#define RRS_ERR_IP_CSUM 0x0040 -#define RRS_ERR_L4_CSUM 0x0080 -#define RRS_ERR_LENGTH 0x0100 -#define RRS_ERR_DES_ADDR 0x0200 - -struct atl1e_recv_ret_status { - u16 seq_num; - u16 hash_lo; - __le32 word1; - u16 pkt_flag; - u16 err_flag; - u16 hash_hi; - u16 vtag; -}; - -enum atl1e_dma_req_block { - atl1e_dma_req_128 = 0, - atl1e_dma_req_256 = 1, - atl1e_dma_req_512 = 2, - atl1e_dma_req_1024 = 3, - atl1e_dma_req_2048 = 4, - atl1e_dma_req_4096 = 5 -}; - -enum atl1e_rrs_type { - atl1e_rrs_disable = 0, - atl1e_rrs_ipv4 = 1, - atl1e_rrs_ipv4_tcp = 2, - atl1e_rrs_ipv6 = 4, - atl1e_rrs_ipv6_tcp = 8 -}; - -enum atl1e_nic_type { - athr_l1e = 0, - athr_l2e_revA = 1, - athr_l2e_revB = 2 -}; - -struct atl1e_hw_stats { - /* rx */ - unsigned long rx_ok; /* The number of good packet received. */ - unsigned long rx_bcast; /* The number of good broadcast packet received. */ - unsigned long rx_mcast; /* The number of good multicast packet received. */ - unsigned long rx_pause; /* The number of Pause packet received. */ - unsigned long rx_ctrl; /* The number of Control packet received other than Pause frame. */ - unsigned long rx_fcs_err; /* The number of packets with bad FCS. */ - unsigned long rx_len_err; /* The number of packets with mismatch of length field and actual size. */ - unsigned long rx_byte_cnt; /* The number of bytes of good packet received. FCS is NOT included. */ - unsigned long rx_runt; /* The number of packets received that are less than 64 byte long and with good FCS. */ - unsigned long rx_frag; /* The number of packets received that are less than 64 byte long and with bad FCS. */ - unsigned long rx_sz_64; /* The number of good and bad packets received that are 64 byte long. */ - unsigned long rx_sz_65_127; /* The number of good and bad packets received that are between 65 and 127-byte long. */ - unsigned long rx_sz_128_255; /* The number of good and bad packets received that are between 128 and 255-byte long. */ - unsigned long rx_sz_256_511; /* The number of good and bad packets received that are between 256 and 511-byte long. */ - unsigned long rx_sz_512_1023; /* The number of good and bad packets received that are between 512 and 1023-byte long. */ - unsigned long rx_sz_1024_1518; /* The number of good and bad packets received that are between 1024 and 1518-byte long. */ - unsigned long rx_sz_1519_max; /* The number of good and bad packets received that are between 1519-byte and MTU. */ - unsigned long rx_sz_ov; /* The number of good and bad packets received that are more than MTU size truncated by Selene. */ - unsigned long rx_rxf_ov; /* The number of frame dropped due to occurrence of RX FIFO overflow. */ - unsigned long rx_rrd_ov; /* The number of frame dropped due to occurrence of RRD overflow. */ - unsigned long rx_align_err; /* Alignment Error */ - unsigned long rx_bcast_byte_cnt; /* The byte count of broadcast packet received, excluding FCS. */ - unsigned long rx_mcast_byte_cnt; /* The byte count of multicast packet received, excluding FCS. */ - unsigned long rx_err_addr; /* The number of packets dropped due to address filtering. */ - - /* tx */ - unsigned long tx_ok; /* The number of good packet transmitted. */ - unsigned long tx_bcast; /* The number of good broadcast packet transmitted. */ - unsigned long tx_mcast; /* The number of good multicast packet transmitted. */ - unsigned long tx_pause; /* The number of Pause packet transmitted. */ - unsigned long tx_exc_defer; /* The number of packets transmitted with excessive deferral. */ - unsigned long tx_ctrl; /* The number of packets transmitted is a control frame, excluding Pause frame. */ - unsigned long tx_defer; /* The number of packets transmitted that is deferred. */ - unsigned long tx_byte_cnt; /* The number of bytes of data transmitted. FCS is NOT included. */ - unsigned long tx_sz_64; /* The number of good and bad packets transmitted that are 64 byte long. */ - unsigned long tx_sz_65_127; /* The number of good and bad packets transmitted that are between 65 and 127-byte long. */ - unsigned long tx_sz_128_255; /* The number of good and bad packets transmitted that are between 128 and 255-byte long. */ - unsigned long tx_sz_256_511; /* The number of good and bad packets transmitted that are between 256 and 511-byte long. */ - unsigned long tx_sz_512_1023; /* The number of good and bad packets transmitted that are between 512 and 1023-byte long. */ - unsigned long tx_sz_1024_1518; /* The number of good and bad packets transmitted that are between 1024 and 1518-byte long. */ - unsigned long tx_sz_1519_max; /* The number of good and bad packets transmitted that are between 1519-byte and MTU. */ - unsigned long tx_1_col; /* The number of packets subsequently transmitted successfully with a single prior collision. */ - unsigned long tx_2_col; /* The number of packets subsequently transmitted successfully with multiple prior collisions. */ - unsigned long tx_late_col; /* The number of packets transmitted with late collisions. */ - unsigned long tx_abort_col; /* The number of transmit packets aborted due to excessive collisions. */ - unsigned long tx_underrun; /* The number of transmit packets aborted due to transmit FIFO underrun, or TRD FIFO underrun */ - unsigned long tx_rd_eop; /* The number of times that read beyond the EOP into the next frame area when TRD was not written timely */ - unsigned long tx_len_err; /* The number of transmit packets with length field does NOT match the actual frame size. */ - unsigned long tx_trunc; /* The number of transmit packets truncated due to size exceeding MTU. */ - unsigned long tx_bcast_byte; /* The byte count of broadcast packet transmitted, excluding FCS. */ - unsigned long tx_mcast_byte; /* The byte count of multicast packet transmitted, excluding FCS. */ -}; - -struct atl1e_hw { - u8 __iomem *hw_addr; /* inner register address */ - resource_size_t mem_rang; - struct atl1e_adapter *adapter; - enum atl1e_nic_type nic_type; - u16 device_id; - u16 vendor_id; - u16 subsystem_id; - u16 subsystem_vendor_id; - u8 revision_id; - u16 pci_cmd_word; - u8 mac_addr[ETH_ALEN]; - u8 perm_mac_addr[ETH_ALEN]; - u8 preamble_len; - u16 max_frame_size; - u16 rx_jumbo_th; - u16 tx_jumbo_th; - - u16 media_type; -#define MEDIA_TYPE_AUTO_SENSOR 0 -#define MEDIA_TYPE_100M_FULL 1 -#define MEDIA_TYPE_100M_HALF 2 -#define MEDIA_TYPE_10M_FULL 3 -#define MEDIA_TYPE_10M_HALF 4 - - u16 autoneg_advertised; -#define ADVERTISE_10_HALF 0x0001 -#define ADVERTISE_10_FULL 0x0002 -#define ADVERTISE_100_HALF 0x0004 -#define ADVERTISE_100_FULL 0x0008 -#define ADVERTISE_1000_HALF 0x0010 /* Not used, just FYI */ -#define ADVERTISE_1000_FULL 0x0020 - u16 mii_autoneg_adv_reg; - u16 mii_1000t_ctrl_reg; - - u16 imt; /* Interrupt Moderator timer ( 2us resolution) */ - u16 ict; /* Interrupt Clear timer (2us resolution) */ - u32 smb_timer; - u16 rrd_thresh; /* Threshold of number of RRD produced to trigger - interrupt request */ - u16 tpd_thresh; - u16 rx_count_down; /* 2us resolution */ - u16 tx_count_down; - - u8 tpd_burst; /* Number of TPD to prefetch in cache-aligned burst. */ - enum atl1e_rrs_type rrs_type; - u32 base_cpu; - u32 indirect_tab; - - enum atl1e_dma_req_block dmar_block; - enum atl1e_dma_req_block dmaw_block; - u8 dmaw_dly_cnt; - u8 dmar_dly_cnt; - - bool phy_configured; - bool re_autoneg; - bool emi_ca; -}; - -/* - * wrapper around a pointer to a socket buffer, - * so a DMA handle can be stored along with the buffer - */ -struct atl1e_tx_buffer { - struct sk_buff *skb; - u16 flags; -#define ATL1E_TX_PCIMAP_SINGLE 0x0001 -#define ATL1E_TX_PCIMAP_PAGE 0x0002 -#define ATL1E_TX_PCIMAP_TYPE_MASK 0x0003 - u16 length; - dma_addr_t dma; -}; - -#define ATL1E_SET_PCIMAP_TYPE(tx_buff, type) do { \ - ((tx_buff)->flags) &= ~ATL1E_TX_PCIMAP_TYPE_MASK; \ - ((tx_buff)->flags) |= (type); \ - } while (0) - -struct atl1e_rx_page { - dma_addr_t dma; /* receive rage DMA address */ - u8 *addr; /* receive rage virtual address */ - dma_addr_t write_offset_dma; /* the DMA address which contain the - receive data offset in the page */ - u32 *write_offset_addr; /* the virtaul address which contain - the receive data offset in the page */ - u32 read_offset; /* the offset where we have read */ -}; - -struct atl1e_rx_page_desc { - struct atl1e_rx_page rx_page[AT_PAGE_NUM_PER_QUEUE]; - u8 rx_using; - u16 rx_nxseq; -}; - -/* transmit packet descriptor (tpd) ring */ -struct atl1e_tx_ring { - struct atl1e_tpd_desc *desc; /* descriptor ring virtual address */ - dma_addr_t dma; /* descriptor ring physical address */ - u16 count; /* the count of transmit rings */ - rwlock_t tx_lock; - u16 next_to_use; - atomic_t next_to_clean; - struct atl1e_tx_buffer *tx_buffer; - dma_addr_t cmb_dma; - u32 *cmb; -}; - -/* receive packet descriptor ring */ -struct atl1e_rx_ring { - void *desc; - dma_addr_t dma; - int size; - u32 page_size; /* bytes length of rxf page */ - u32 real_page_size; /* real_page_size = page_size + jumbo + aliagn */ - struct atl1e_rx_page_desc rx_page_desc[AT_MAX_RECEIVE_QUEUE]; -}; - -/* board specific private data structure */ -struct atl1e_adapter { - struct net_device *netdev; - struct pci_dev *pdev; - struct napi_struct napi; - struct mii_if_info mii; /* MII interface info */ - struct atl1e_hw hw; - struct atl1e_hw_stats hw_stats; - - bool have_msi; - u32 wol; - u16 link_speed; - u16 link_duplex; - - spinlock_t mdio_lock; - spinlock_t tx_lock; - atomic_t irq_sem; - - struct work_struct reset_task; - struct work_struct link_chg_task; - struct timer_list watchdog_timer; - struct timer_list phy_config_timer; - - /* All Descriptor memory */ - dma_addr_t ring_dma; - void *ring_vir_addr; - u32 ring_size; - - struct atl1e_tx_ring tx_ring; - struct atl1e_rx_ring rx_ring; - int num_rx_queues; - unsigned long flags; -#define __AT_TESTING 0x0001 -#define __AT_RESETTING 0x0002 -#define __AT_DOWN 0x0003 - - u32 bd_number; /* board number;*/ - u32 pci_state[16]; - u32 *config_space; -}; - -#define AT_WRITE_REG(a, reg, value) ( \ - writel((value), ((a)->hw_addr + reg))) - -#define AT_WRITE_FLUSH(a) (\ - readl((a)->hw_addr)) - -#define AT_READ_REG(a, reg) ( \ - readl((a)->hw_addr + reg)) - -#define AT_WRITE_REGB(a, reg, value) (\ - writeb((value), ((a)->hw_addr + reg))) - -#define AT_READ_REGB(a, reg) (\ - readb((a)->hw_addr + reg)) - -#define AT_WRITE_REGW(a, reg, value) (\ - writew((value), ((a)->hw_addr + reg))) - -#define AT_READ_REGW(a, reg) (\ - readw((a)->hw_addr + reg)) - -#define AT_WRITE_REG_ARRAY(a, reg, offset, value) ( \ - writel((value), (((a)->hw_addr + reg) + ((offset) << 2)))) - -#define AT_READ_REG_ARRAY(a, reg, offset) ( \ - readl(((a)->hw_addr + reg) + ((offset) << 2))) - -extern char atl1e_driver_name[]; -extern char atl1e_driver_version[]; - -extern void atl1e_check_options(struct atl1e_adapter *adapter); -extern int atl1e_up(struct atl1e_adapter *adapter); -extern void atl1e_down(struct atl1e_adapter *adapter); -extern void atl1e_reinit_locked(struct atl1e_adapter *adapter); -extern s32 atl1e_reset_hw(struct atl1e_hw *hw); -extern void atl1e_set_ethtool_ops(struct net_device *netdev); -#endif /* _ATL1_E_H_ */ diff --git a/drivers/net/atl1e/atl1e_ethtool.c b/drivers/net/atl1e/atl1e_ethtool.c deleted file mode 100644 index 6269438d365f..000000000000 --- a/drivers/net/atl1e/atl1e_ethtool.c +++ /dev/null @@ -1,390 +0,0 @@ -/* - * Copyright(c) 2007 Atheros Corporation. All rights reserved. - * - * Derived from Intel e1000 driver - * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., 59 - * Temple Place - Suite 330, Boston, MA 02111-1307, USA. - * - */ - -#include -#include -#include - -#include "atl1e.h" - -static int atl1e_get_settings(struct net_device *netdev, - struct ethtool_cmd *ecmd) -{ - struct atl1e_adapter *adapter = netdev_priv(netdev); - struct atl1e_hw *hw = &adapter->hw; - - ecmd->supported = (SUPPORTED_10baseT_Half | - SUPPORTED_10baseT_Full | - SUPPORTED_100baseT_Half | - SUPPORTED_100baseT_Full | - SUPPORTED_Autoneg | - SUPPORTED_TP); - if (hw->nic_type == athr_l1e) - ecmd->supported |= SUPPORTED_1000baseT_Full; - - ecmd->advertising = ADVERTISED_TP; - - ecmd->advertising |= ADVERTISED_Autoneg; - ecmd->advertising |= hw->autoneg_advertised; - - ecmd->port = PORT_TP; - ecmd->phy_address = 0; - ecmd->transceiver = XCVR_INTERNAL; - - if (adapter->link_speed != SPEED_0) { - ethtool_cmd_speed_set(ecmd, adapter->link_speed); - if (adapter->link_duplex == FULL_DUPLEX) - ecmd->duplex = DUPLEX_FULL; - else - ecmd->duplex = DUPLEX_HALF; - } else { - ethtool_cmd_speed_set(ecmd, -1); - ecmd->duplex = -1; - } - - ecmd->autoneg = AUTONEG_ENABLE; - return 0; -} - -static int atl1e_set_settings(struct net_device *netdev, - struct ethtool_cmd *ecmd) -{ - struct atl1e_adapter *adapter = netdev_priv(netdev); - struct atl1e_hw *hw = &adapter->hw; - - while (test_and_set_bit(__AT_RESETTING, &adapter->flags)) - msleep(1); - - if (ecmd->autoneg == AUTONEG_ENABLE) { - u16 adv4, adv9; - - if ((ecmd->advertising&ADVERTISE_1000_FULL)) { - if (hw->nic_type == athr_l1e) { - hw->autoneg_advertised = - ecmd->advertising & AT_ADV_MASK; - } else { - clear_bit(__AT_RESETTING, &adapter->flags); - return -EINVAL; - } - } else if (ecmd->advertising&ADVERTISE_1000_HALF) { - clear_bit(__AT_RESETTING, &adapter->flags); - return -EINVAL; - } else { - hw->autoneg_advertised = - ecmd->advertising & AT_ADV_MASK; - } - ecmd->advertising = hw->autoneg_advertised | - ADVERTISED_TP | ADVERTISED_Autoneg; - - adv4 = hw->mii_autoneg_adv_reg & ~ADVERTISE_ALL; - adv9 = hw->mii_1000t_ctrl_reg & ~MII_AT001_CR_1000T_SPEED_MASK; - if (hw->autoneg_advertised & ADVERTISE_10_HALF) - adv4 |= ADVERTISE_10HALF; - if (hw->autoneg_advertised & ADVERTISE_10_FULL) - adv4 |= ADVERTISE_10FULL; - if (hw->autoneg_advertised & ADVERTISE_100_HALF) - adv4 |= ADVERTISE_100HALF; - if (hw->autoneg_advertised & ADVERTISE_100_FULL) - adv4 |= ADVERTISE_100FULL; - if (hw->autoneg_advertised & ADVERTISE_1000_FULL) - adv9 |= ADVERTISE_1000FULL; - - if (adv4 != hw->mii_autoneg_adv_reg || - adv9 != hw->mii_1000t_ctrl_reg) { - hw->mii_autoneg_adv_reg = adv4; - hw->mii_1000t_ctrl_reg = adv9; - hw->re_autoneg = true; - } - - } else { - clear_bit(__AT_RESETTING, &adapter->flags); - return -EINVAL; - } - - /* reset the link */ - - if (netif_running(adapter->netdev)) { - atl1e_down(adapter); - atl1e_up(adapter); - } else - atl1e_reset_hw(&adapter->hw); - - clear_bit(__AT_RESETTING, &adapter->flags); - return 0; -} - -static u32 atl1e_get_msglevel(struct net_device *netdev) -{ -#ifdef DBG - return 1; -#else - return 0; -#endif -} - -static int atl1e_get_regs_len(struct net_device *netdev) -{ - return AT_REGS_LEN * sizeof(u32); -} - -static void atl1e_get_regs(struct net_device *netdev, - struct ethtool_regs *regs, void *p) -{ - struct atl1e_adapter *adapter = netdev_priv(netdev); - struct atl1e_hw *hw = &adapter->hw; - u32 *regs_buff = p; - u16 phy_data; - - memset(p, 0, AT_REGS_LEN * sizeof(u32)); - - regs->version = (1 << 24) | (hw->revision_id << 16) | hw->device_id; - - regs_buff[0] = AT_READ_REG(hw, REG_VPD_CAP); - regs_buff[1] = AT_READ_REG(hw, REG_SPI_FLASH_CTRL); - regs_buff[2] = AT_READ_REG(hw, REG_SPI_FLASH_CONFIG); - regs_buff[3] = AT_READ_REG(hw, REG_TWSI_CTRL); - regs_buff[4] = AT_READ_REG(hw, REG_PCIE_DEV_MISC_CTRL); - regs_buff[5] = AT_READ_REG(hw, REG_MASTER_CTRL); - regs_buff[6] = AT_READ_REG(hw, REG_MANUAL_TIMER_INIT); - regs_buff[7] = AT_READ_REG(hw, REG_IRQ_MODU_TIMER_INIT); - regs_buff[8] = AT_READ_REG(hw, REG_GPHY_CTRL); - regs_buff[9] = AT_READ_REG(hw, REG_CMBDISDMA_TIMER); - regs_buff[10] = AT_READ_REG(hw, REG_IDLE_STATUS); - regs_buff[11] = AT_READ_REG(hw, REG_MDIO_CTRL); - regs_buff[12] = AT_READ_REG(hw, REG_SERDES_LOCK); - regs_buff[13] = AT_READ_REG(hw, REG_MAC_CTRL); - regs_buff[14] = AT_READ_REG(hw, REG_MAC_IPG_IFG); - regs_buff[15] = AT_READ_REG(hw, REG_MAC_STA_ADDR); - regs_buff[16] = AT_READ_REG(hw, REG_MAC_STA_ADDR+4); - regs_buff[17] = AT_READ_REG(hw, REG_RX_HASH_TABLE); - regs_buff[18] = AT_READ_REG(hw, REG_RX_HASH_TABLE+4); - regs_buff[19] = AT_READ_REG(hw, REG_MAC_HALF_DUPLX_CTRL); - regs_buff[20] = AT_READ_REG(hw, REG_MTU); - regs_buff[21] = AT_READ_REG(hw, REG_WOL_CTRL); - regs_buff[22] = AT_READ_REG(hw, REG_SRAM_TRD_ADDR); - regs_buff[23] = AT_READ_REG(hw, REG_SRAM_TRD_LEN); - regs_buff[24] = AT_READ_REG(hw, REG_SRAM_RXF_ADDR); - regs_buff[25] = AT_READ_REG(hw, REG_SRAM_RXF_LEN); - regs_buff[26] = AT_READ_REG(hw, REG_SRAM_TXF_ADDR); - regs_buff[27] = AT_READ_REG(hw, REG_SRAM_TXF_LEN); - regs_buff[28] = AT_READ_REG(hw, REG_SRAM_TCPH_ADDR); - regs_buff[29] = AT_READ_REG(hw, REG_SRAM_PKTH_ADDR); - - atl1e_read_phy_reg(hw, MII_BMCR, &phy_data); - regs_buff[73] = (u32)phy_data; - atl1e_read_phy_reg(hw, MII_BMSR, &phy_data); - regs_buff[74] = (u32)phy_data; -} - -static int atl1e_get_eeprom_len(struct net_device *netdev) -{ - struct atl1e_adapter *adapter = netdev_priv(netdev); - - if (!atl1e_check_eeprom_exist(&adapter->hw)) - return AT_EEPROM_LEN; - else - return 0; -} - -static int atl1e_get_eeprom(struct net_device *netdev, - struct ethtool_eeprom *eeprom, u8 *bytes) -{ - struct atl1e_adapter *adapter = netdev_priv(netdev); - struct atl1e_hw *hw = &adapter->hw; - u32 *eeprom_buff; - int first_dword, last_dword; - int ret_val = 0; - int i; - - if (eeprom->len == 0) - return -EINVAL; - - if (atl1e_check_eeprom_exist(hw)) /* not exist */ - return -EINVAL; - - eeprom->magic = hw->vendor_id | (hw->device_id << 16); - - first_dword = eeprom->offset >> 2; - last_dword = (eeprom->offset + eeprom->len - 1) >> 2; - - eeprom_buff = kmalloc(sizeof(u32) * - (last_dword - first_dword + 1), GFP_KERNEL); - if (eeprom_buff == NULL) - return -ENOMEM; - - for (i = first_dword; i < last_dword; i++) { - if (!atl1e_read_eeprom(hw, i * 4, &(eeprom_buff[i-first_dword]))) { - kfree(eeprom_buff); - return -EIO; - } - } - - memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 3), - eeprom->len); - kfree(eeprom_buff); - - return ret_val; -} - -static int atl1e_set_eeprom(struct net_device *netdev, - struct ethtool_eeprom *eeprom, u8 *bytes) -{ - struct atl1e_adapter *adapter = netdev_priv(netdev); - struct atl1e_hw *hw = &adapter->hw; - u32 *eeprom_buff; - u32 *ptr; - int first_dword, last_dword; - int ret_val = 0; - int i; - - if (eeprom->len == 0) - return -EOPNOTSUPP; - - if (eeprom->magic != (hw->vendor_id | (hw->device_id << 16))) - return -EINVAL; - - first_dword = eeprom->offset >> 2; - last_dword = (eeprom->offset + eeprom->len - 1) >> 2; - eeprom_buff = kmalloc(AT_EEPROM_LEN, GFP_KERNEL); - if (eeprom_buff == NULL) - return -ENOMEM; - - ptr = (u32 *)eeprom_buff; - - if (eeprom->offset & 3) { - /* need read/modify/write of first changed EEPROM word */ - /* only the second byte of the word is being modified */ - if (!atl1e_read_eeprom(hw, first_dword * 4, &(eeprom_buff[0]))) { - ret_val = -EIO; - goto out; - } - ptr++; - } - if (((eeprom->offset + eeprom->len) & 3)) { - /* need read/modify/write of last changed EEPROM word */ - /* only the first byte of the word is being modified */ - - if (!atl1e_read_eeprom(hw, last_dword * 4, - &(eeprom_buff[last_dword - first_dword]))) { - ret_val = -EIO; - goto out; - } - } - - /* Device's eeprom is always little-endian, word addressable */ - memcpy(ptr, bytes, eeprom->len); - - for (i = 0; i < last_dword - first_dword + 1; i++) { - if (!atl1e_write_eeprom(hw, ((first_dword + i) * 4), - eeprom_buff[i])) { - ret_val = -EIO; - goto out; - } - } -out: - kfree(eeprom_buff); - return ret_val; -} - -static void atl1e_get_drvinfo(struct net_device *netdev, - struct ethtool_drvinfo *drvinfo) -{ - struct atl1e_adapter *adapter = netdev_priv(netdev); - - strncpy(drvinfo->driver, atl1e_driver_name, 32); - strncpy(drvinfo->version, atl1e_driver_version, 32); - strncpy(drvinfo->fw_version, "L1e", 32); - strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32); - drvinfo->n_stats = 0; - drvinfo->testinfo_len = 0; - drvinfo->regdump_len = atl1e_get_regs_len(netdev); - drvinfo->eedump_len = atl1e_get_eeprom_len(netdev); -} - -static void atl1e_get_wol(struct net_device *netdev, - struct ethtool_wolinfo *wol) -{ - struct atl1e_adapter *adapter = netdev_priv(netdev); - - wol->supported = WAKE_MAGIC | WAKE_PHY; - wol->wolopts = 0; - - if (adapter->wol & AT_WUFC_EX) - wol->wolopts |= WAKE_UCAST; - if (adapter->wol & AT_WUFC_MC) - wol->wolopts |= WAKE_MCAST; - if (adapter->wol & AT_WUFC_BC) - wol->wolopts |= WAKE_BCAST; - if (adapter->wol & AT_WUFC_MAG) - wol->wolopts |= WAKE_MAGIC; - if (adapter->wol & AT_WUFC_LNKC) - wol->wolopts |= WAKE_PHY; -} - -static int atl1e_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) -{ - struct atl1e_adapter *adapter = netdev_priv(netdev); - - if (wol->wolopts & (WAKE_ARP | WAKE_MAGICSECURE | - WAKE_UCAST | WAKE_MCAST | WAKE_BCAST)) - return -EOPNOTSUPP; - /* these settings will always override what we currently have */ - adapter->wol = 0; - - if (wol->wolopts & WAKE_MAGIC) - adapter->wol |= AT_WUFC_MAG; - if (wol->wolopts & WAKE_PHY) - adapter->wol |= AT_WUFC_LNKC; - - device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol); - - return 0; -} - -static int atl1e_nway_reset(struct net_device *netdev) -{ - struct atl1e_adapter *adapter = netdev_priv(netdev); - if (netif_running(netdev)) - atl1e_reinit_locked(adapter); - return 0; -} - -static const struct ethtool_ops atl1e_ethtool_ops = { - .get_settings = atl1e_get_settings, - .set_settings = atl1e_set_settings, - .get_drvinfo = atl1e_get_drvinfo, - .get_regs_len = atl1e_get_regs_len, - .get_regs = atl1e_get_regs, - .get_wol = atl1e_get_wol, - .set_wol = atl1e_set_wol, - .get_msglevel = atl1e_get_msglevel, - .nway_reset = atl1e_nway_reset, - .get_link = ethtool_op_get_link, - .get_eeprom_len = atl1e_get_eeprom_len, - .get_eeprom = atl1e_get_eeprom, - .set_eeprom = atl1e_set_eeprom, -}; - -void atl1e_set_ethtool_ops(struct net_device *netdev) -{ - SET_ETHTOOL_OPS(netdev, &atl1e_ethtool_ops); -} diff --git a/drivers/net/atl1e/atl1e_hw.c b/drivers/net/atl1e/atl1e_hw.c deleted file mode 100644 index 923063d2e5bb..000000000000 --- a/drivers/net/atl1e/atl1e_hw.c +++ /dev/null @@ -1,651 +0,0 @@ -/* - * Copyright(c) 2007 Atheros Corporation. All rights reserved. - * - * Derived from Intel e1000 driver - * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., 59 - * Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ -#include -#include -#include -#include - -#include "atl1e.h" - -/* - * check_eeprom_exist - * return 0 if eeprom exist - */ -int atl1e_check_eeprom_exist(struct atl1e_hw *hw) -{ - u32 value; - - value = AT_READ_REG(hw, REG_SPI_FLASH_CTRL); - if (value & SPI_FLASH_CTRL_EN_VPD) { - value &= ~SPI_FLASH_CTRL_EN_VPD; - AT_WRITE_REG(hw, REG_SPI_FLASH_CTRL, value); - } - value = AT_READ_REGW(hw, REG_PCIE_CAP_LIST); - return ((value & 0xFF00) == 0x6C00) ? 0 : 1; -} - -void atl1e_hw_set_mac_addr(struct atl1e_hw *hw) -{ - u32 value; - /* - * 00-0B-6A-F6-00-DC - * 0: 6AF600DC 1: 000B - * low dword - */ - value = (((u32)hw->mac_addr[2]) << 24) | - (((u32)hw->mac_addr[3]) << 16) | - (((u32)hw->mac_addr[4]) << 8) | - (((u32)hw->mac_addr[5])) ; - AT_WRITE_REG_ARRAY(hw, REG_MAC_STA_ADDR, 0, value); - /* hight dword */ - value = (((u32)hw->mac_addr[0]) << 8) | - (((u32)hw->mac_addr[1])) ; - AT_WRITE_REG_ARRAY(hw, REG_MAC_STA_ADDR, 1, value); -} - -/* - * atl1e_get_permanent_address - * return 0 if get valid mac address, - */ -static int atl1e_get_permanent_address(struct atl1e_hw *hw) -{ - u32 addr[2]; - u32 i; - u32 twsi_ctrl_data; - u8 eth_addr[ETH_ALEN]; - - if (is_valid_ether_addr(hw->perm_mac_addr)) - return 0; - - /* init */ - addr[0] = addr[1] = 0; - - if (!atl1e_check_eeprom_exist(hw)) { - /* eeprom exist */ - twsi_ctrl_data = AT_READ_REG(hw, REG_TWSI_CTRL); - twsi_ctrl_data |= TWSI_CTRL_SW_LDSTART; - AT_WRITE_REG(hw, REG_TWSI_CTRL, twsi_ctrl_data); - for (i = 0; i < AT_TWSI_EEPROM_TIMEOUT; i++) { - msleep(10); - twsi_ctrl_data = AT_READ_REG(hw, REG_TWSI_CTRL); - if ((twsi_ctrl_data & TWSI_CTRL_SW_LDSTART) == 0) - break; - } - if (i >= AT_TWSI_EEPROM_TIMEOUT) - return AT_ERR_TIMEOUT; - } - - /* maybe MAC-address is from BIOS */ - addr[0] = AT_READ_REG(hw, REG_MAC_STA_ADDR); - addr[1] = AT_READ_REG(hw, REG_MAC_STA_ADDR + 4); - *(u32 *) ð_addr[2] = swab32(addr[0]); - *(u16 *) ð_addr[0] = swab16(*(u16 *)&addr[1]); - - if (is_valid_ether_addr(eth_addr)) { - memcpy(hw->perm_mac_addr, eth_addr, ETH_ALEN); - return 0; - } - - return AT_ERR_EEPROM; -} - -bool atl1e_write_eeprom(struct atl1e_hw *hw, u32 offset, u32 value) -{ - return true; -} - -bool atl1e_read_eeprom(struct atl1e_hw *hw, u32 offset, u32 *p_value) -{ - int i; - u32 control; - - if (offset & 3) - return false; /* address do not align */ - - AT_WRITE_REG(hw, REG_VPD_DATA, 0); - control = (offset & VPD_CAP_VPD_ADDR_MASK) << VPD_CAP_VPD_ADDR_SHIFT; - AT_WRITE_REG(hw, REG_VPD_CAP, control); - - for (i = 0; i < 10; i++) { - msleep(2); - control = AT_READ_REG(hw, REG_VPD_CAP); - if (control & VPD_CAP_VPD_FLAG) - break; - } - if (control & VPD_CAP_VPD_FLAG) { - *p_value = AT_READ_REG(hw, REG_VPD_DATA); - return true; - } - return false; /* timeout */ -} - -void atl1e_force_ps(struct atl1e_hw *hw) -{ - AT_WRITE_REGW(hw, REG_GPHY_CTRL, - GPHY_CTRL_PW_WOL_DIS | GPHY_CTRL_EXT_RESET); -} - -/* - * Reads the adapter's MAC address from the EEPROM - * - * hw - Struct containing variables accessed by shared code - */ -int atl1e_read_mac_addr(struct atl1e_hw *hw) -{ - int err = 0; - - err = atl1e_get_permanent_address(hw); - if (err) - return AT_ERR_EEPROM; - memcpy(hw->mac_addr, hw->perm_mac_addr, sizeof(hw->perm_mac_addr)); - return 0; -} - -/* - * atl1e_hash_mc_addr - * purpose - * set hash value for a multicast address - */ -u32 atl1e_hash_mc_addr(struct atl1e_hw *hw, u8 *mc_addr) -{ - u32 crc32; - u32 value = 0; - int i; - - crc32 = ether_crc_le(6, mc_addr); - for (i = 0; i < 32; i++) - value |= (((crc32 >> i) & 1) << (31 - i)); - - return value; -} - -/* - * Sets the bit in the multicast table corresponding to the hash value. - * hw - Struct containing variables accessed by shared code - * hash_value - Multicast address hash value - */ -void atl1e_hash_set(struct atl1e_hw *hw, u32 hash_value) -{ - u32 hash_bit, hash_reg; - u32 mta; - - /* - * The HASH Table is a register array of 2 32-bit registers. - * It is treated like an array of 64 bits. We want to set - * bit BitArray[hash_value]. So we figure out what register - * the bit is in, read it, OR in the new bit, then write - * back the new value. The register is determined by the - * upper 7 bits of the hash value and the bit within that - * register are determined by the lower 5 bits of the value. - */ - hash_reg = (hash_value >> 31) & 0x1; - hash_bit = (hash_value >> 26) & 0x1F; - - mta = AT_READ_REG_ARRAY(hw, REG_RX_HASH_TABLE, hash_reg); - - mta |= (1 << hash_bit); - - AT_WRITE_REG_ARRAY(hw, REG_RX_HASH_TABLE, hash_reg, mta); -} -/* - * Reads the value from a PHY register - * hw - Struct containing variables accessed by shared code - * reg_addr - address of the PHY register to read - */ -int atl1e_read_phy_reg(struct atl1e_hw *hw, u16 reg_addr, u16 *phy_data) -{ - u32 val; - int i; - - val = ((u32)(reg_addr & MDIO_REG_ADDR_MASK)) << MDIO_REG_ADDR_SHIFT | - MDIO_START | MDIO_SUP_PREAMBLE | MDIO_RW | - MDIO_CLK_25_4 << MDIO_CLK_SEL_SHIFT; - - AT_WRITE_REG(hw, REG_MDIO_CTRL, val); - - wmb(); - - for (i = 0; i < MDIO_WAIT_TIMES; i++) { - udelay(2); - val = AT_READ_REG(hw, REG_MDIO_CTRL); - if (!(val & (MDIO_START | MDIO_BUSY))) - break; - wmb(); - } - if (!(val & (MDIO_START | MDIO_BUSY))) { - *phy_data = (u16)val; - return 0; - } - - return AT_ERR_PHY; -} - -/* - * Writes a value to a PHY register - * hw - Struct containing variables accessed by shared code - * reg_addr - address of the PHY register to write - * data - data to write to the PHY - */ -int atl1e_write_phy_reg(struct atl1e_hw *hw, u32 reg_addr, u16 phy_data) -{ - int i; - u32 val; - - val = ((u32)(phy_data & MDIO_DATA_MASK)) << MDIO_DATA_SHIFT | - (reg_addr&MDIO_REG_ADDR_MASK) << MDIO_REG_ADDR_SHIFT | - MDIO_SUP_PREAMBLE | - MDIO_START | - MDIO_CLK_25_4 << MDIO_CLK_SEL_SHIFT; - - AT_WRITE_REG(hw, REG_MDIO_CTRL, val); - wmb(); - - for (i = 0; i < MDIO_WAIT_TIMES; i++) { - udelay(2); - val = AT_READ_REG(hw, REG_MDIO_CTRL); - if (!(val & (MDIO_START | MDIO_BUSY))) - break; - wmb(); - } - - if (!(val & (MDIO_START | MDIO_BUSY))) - return 0; - - return AT_ERR_PHY; -} - -/* - * atl1e_init_pcie - init PCIE module - */ -static void atl1e_init_pcie(struct atl1e_hw *hw) -{ - u32 value; - /* comment 2lines below to save more power when sususpend - value = LTSSM_TEST_MODE_DEF; - AT_WRITE_REG(hw, REG_LTSSM_TEST_MODE, value); - */ - - /* pcie flow control mode change */ - value = AT_READ_REG(hw, 0x1008); - value |= 0x8000; - AT_WRITE_REG(hw, 0x1008, value); -} -/* - * Configures PHY autoneg and flow control advertisement settings - * - * hw - Struct containing variables accessed by shared code - */ -static int atl1e_phy_setup_autoneg_adv(struct atl1e_hw *hw) -{ - s32 ret_val; - u16 mii_autoneg_adv_reg; - u16 mii_1000t_ctrl_reg; - - if (0 != hw->mii_autoneg_adv_reg) - return 0; - /* Read the MII Auto-Neg Advertisement Register (Address 4/9). */ - mii_autoneg_adv_reg = MII_AR_DEFAULT_CAP_MASK; - mii_1000t_ctrl_reg = MII_AT001_CR_1000T_DEFAULT_CAP_MASK; - - /* - * Need to parse autoneg_advertised and set up - * the appropriate PHY registers. First we will parse for - * autoneg_advertised software override. Since we can advertise - * a plethora of combinations, we need to check each bit - * individually. - */ - - /* - * First we clear all the 10/100 mb speed bits in the Auto-Neg - * Advertisement Register (Address 4) and the 1000 mb speed bits in - * the 1000Base-T control Register (Address 9). - */ - mii_autoneg_adv_reg &= ~ADVERTISE_ALL; - mii_1000t_ctrl_reg &= ~MII_AT001_CR_1000T_SPEED_MASK; - - /* - * Need to parse MediaType and setup the - * appropriate PHY registers. - */ - switch (hw->media_type) { - case MEDIA_TYPE_AUTO_SENSOR: - mii_autoneg_adv_reg |= ADVERTISE_ALL; - hw->autoneg_advertised = ADVERTISE_ALL; - if (hw->nic_type == athr_l1e) { - mii_1000t_ctrl_reg |= ADVERTISE_1000FULL; - hw->autoneg_advertised |= ADVERTISE_1000_FULL; - } - break; - - case MEDIA_TYPE_100M_FULL: - mii_autoneg_adv_reg |= ADVERTISE_100FULL; - hw->autoneg_advertised = ADVERTISE_100_FULL; - break; - - case MEDIA_TYPE_100M_HALF: - mii_autoneg_adv_reg |= ADVERTISE_100_HALF; - hw->autoneg_advertised = ADVERTISE_100_HALF; - break; - - case MEDIA_TYPE_10M_FULL: - mii_autoneg_adv_reg |= ADVERTISE_10_FULL; - hw->autoneg_advertised = ADVERTISE_10_FULL; - break; - - default: - mii_autoneg_adv_reg |= ADVERTISE_10_HALF; - hw->autoneg_advertised = ADVERTISE_10_HALF; - break; - } - - /* flow control fixed to enable all */ - mii_autoneg_adv_reg |= (ADVERTISE_PAUSE_ASYM | ADVERTISE_PAUSE_CAP); - - hw->mii_autoneg_adv_reg = mii_autoneg_adv_reg; - hw->mii_1000t_ctrl_reg = mii_1000t_ctrl_reg; - - ret_val = atl1e_write_phy_reg(hw, MII_ADVERTISE, mii_autoneg_adv_reg); - if (ret_val) - return ret_val; - - if (hw->nic_type == athr_l1e || hw->nic_type == athr_l2e_revA) { - ret_val = atl1e_write_phy_reg(hw, MII_CTRL1000, - mii_1000t_ctrl_reg); - if (ret_val) - return ret_val; - } - - return 0; -} - - -/* - * Resets the PHY and make all config validate - * - * hw - Struct containing variables accessed by shared code - * - * Sets bit 15 and 12 of the MII control regiser (for F001 bug) - */ -int atl1e_phy_commit(struct atl1e_hw *hw) -{ - struct atl1e_adapter *adapter = hw->adapter; - int ret_val; - u16 phy_data; - - phy_data = BMCR_RESET | BMCR_ANENABLE | BMCR_ANRESTART; - - ret_val = atl1e_write_phy_reg(hw, MII_BMCR, phy_data); - if (ret_val) { - u32 val; - int i; - /************************************** - * pcie serdes link may be down ! - **************************************/ - for (i = 0; i < 25; i++) { - msleep(1); - val = AT_READ_REG(hw, REG_MDIO_CTRL); - if (!(val & (MDIO_START | MDIO_BUSY))) - break; - } - - if (0 != (val & (MDIO_START | MDIO_BUSY))) { - netdev_err(adapter->netdev, - "pcie linkdown at least for 25ms\n"); - return ret_val; - } - - netdev_err(adapter->netdev, "pcie linkup after %d ms\n", i); - } - return 0; -} - -int atl1e_phy_init(struct atl1e_hw *hw) -{ - struct atl1e_adapter *adapter = hw->adapter; - s32 ret_val; - u16 phy_val; - - if (hw->phy_configured) { - if (hw->re_autoneg) { - hw->re_autoneg = false; - return atl1e_restart_autoneg(hw); - } - return 0; - } - - /* RESET GPHY Core */ - AT_WRITE_REGW(hw, REG_GPHY_CTRL, GPHY_CTRL_DEFAULT); - msleep(2); - AT_WRITE_REGW(hw, REG_GPHY_CTRL, GPHY_CTRL_DEFAULT | - GPHY_CTRL_EXT_RESET); - msleep(2); - - /* patches */ - /* p1. eable hibernation mode */ - ret_val = atl1e_write_phy_reg(hw, MII_DBG_ADDR, 0xB); - if (ret_val) - return ret_val; - ret_val = atl1e_write_phy_reg(hw, MII_DBG_DATA, 0xBC00); - if (ret_val) - return ret_val; - /* p2. set Class A/B for all modes */ - ret_val = atl1e_write_phy_reg(hw, MII_DBG_ADDR, 0); - if (ret_val) - return ret_val; - phy_val = 0x02ef; - /* remove Class AB */ - /* phy_val = hw->emi_ca ? 0x02ef : 0x02df; */ - ret_val = atl1e_write_phy_reg(hw, MII_DBG_DATA, phy_val); - if (ret_val) - return ret_val; - /* p3. 10B ??? */ - ret_val = atl1e_write_phy_reg(hw, MII_DBG_ADDR, 0x12); - if (ret_val) - return ret_val; - ret_val = atl1e_write_phy_reg(hw, MII_DBG_DATA, 0x4C04); - if (ret_val) - return ret_val; - /* p4. 1000T power */ - ret_val = atl1e_write_phy_reg(hw, MII_DBG_ADDR, 0x4); - if (ret_val) - return ret_val; - ret_val = atl1e_write_phy_reg(hw, MII_DBG_DATA, 0x8BBB); - if (ret_val) - return ret_val; - - ret_val = atl1e_write_phy_reg(hw, MII_DBG_ADDR, 0x5); - if (ret_val) - return ret_val; - ret_val = atl1e_write_phy_reg(hw, MII_DBG_DATA, 0x2C46); - if (ret_val) - return ret_val; - - msleep(1); - - /*Enable PHY LinkChange Interrupt */ - ret_val = atl1e_write_phy_reg(hw, MII_INT_CTRL, 0xC00); - if (ret_val) { - netdev_err(adapter->netdev, - "Error enable PHY linkChange Interrupt\n"); - return ret_val; - } - /* setup AutoNeg parameters */ - ret_val = atl1e_phy_setup_autoneg_adv(hw); - if (ret_val) { - netdev_err(adapter->netdev, - "Error Setting up Auto-Negotiation\n"); - return ret_val; - } - /* SW.Reset & En-Auto-Neg to restart Auto-Neg*/ - netdev_dbg(adapter->netdev, "Restarting Auto-Negotiation\n"); - ret_val = atl1e_phy_commit(hw); - if (ret_val) { - netdev_err(adapter->netdev, "Error resetting the phy\n"); - return ret_val; - } - - hw->phy_configured = true; - - return 0; -} - -/* - * Reset the transmit and receive units; mask and clear all interrupts. - * hw - Struct containing variables accessed by shared code - * return : 0 or idle status (if error) - */ -int atl1e_reset_hw(struct atl1e_hw *hw) -{ - struct atl1e_adapter *adapter = hw->adapter; - struct pci_dev *pdev = adapter->pdev; - - u32 idle_status_data = 0; - u16 pci_cfg_cmd_word = 0; - int timeout = 0; - - /* Workaround for PCI problem when BIOS sets MMRBC incorrectly. */ - pci_read_config_word(pdev, PCI_REG_COMMAND, &pci_cfg_cmd_word); - if ((pci_cfg_cmd_word & (CMD_IO_SPACE | - CMD_MEMORY_SPACE | CMD_BUS_MASTER)) - != (CMD_IO_SPACE | CMD_MEMORY_SPACE | CMD_BUS_MASTER)) { - pci_cfg_cmd_word |= (CMD_IO_SPACE | - CMD_MEMORY_SPACE | CMD_BUS_MASTER); - pci_write_config_word(pdev, PCI_REG_COMMAND, pci_cfg_cmd_word); - } - - /* - * Issue Soft Reset to the MAC. This will reset the chip's - * transmit, receive, DMA. It will not effect - * the current PCI configuration. The global reset bit is self- - * clearing, and should clear within a microsecond. - */ - AT_WRITE_REG(hw, REG_MASTER_CTRL, - MASTER_CTRL_LED_MODE | MASTER_CTRL_SOFT_RST); - wmb(); - msleep(1); - - /* Wait at least 10ms for All module to be Idle */ - for (timeout = 0; timeout < AT_HW_MAX_IDLE_DELAY; timeout++) { - idle_status_data = AT_READ_REG(hw, REG_IDLE_STATUS); - if (idle_status_data == 0) - break; - msleep(1); - cpu_relax(); - } - - if (timeout >= AT_HW_MAX_IDLE_DELAY) { - netdev_err(adapter->netdev, - "MAC state machine can't be idle since disabled for 10ms second\n"); - return AT_ERR_TIMEOUT; - } - - return 0; -} - - -/* - * Performs basic configuration of the adapter. - * - * hw - Struct containing variables accessed by shared code - * Assumes that the controller has previously been reset and is in a - * post-reset uninitialized state. Initializes multicast table, - * and Calls routines to setup link - * Leaves the transmit and receive units disabled and uninitialized. - */ -int atl1e_init_hw(struct atl1e_hw *hw) -{ - s32 ret_val = 0; - - atl1e_init_pcie(hw); - - /* Zero out the Multicast HASH table */ - /* clear the old settings from the multicast hash table */ - AT_WRITE_REG(hw, REG_RX_HASH_TABLE, 0); - AT_WRITE_REG_ARRAY(hw, REG_RX_HASH_TABLE, 1, 0); - - ret_val = atl1e_phy_init(hw); - - return ret_val; -} - -/* - * Detects the current speed and duplex settings of the hardware. - * - * hw - Struct containing variables accessed by shared code - * speed - Speed of the connection - * duplex - Duplex setting of the connection - */ -int atl1e_get_speed_and_duplex(struct atl1e_hw *hw, u16 *speed, u16 *duplex) -{ - int err; - u16 phy_data; - - /* Read PHY Specific Status Register (17) */ - err = atl1e_read_phy_reg(hw, MII_AT001_PSSR, &phy_data); - if (err) - return err; - - if (!(phy_data & MII_AT001_PSSR_SPD_DPLX_RESOLVED)) - return AT_ERR_PHY_RES; - - switch (phy_data & MII_AT001_PSSR_SPEED) { - case MII_AT001_PSSR_1000MBS: - *speed = SPEED_1000; - break; - case MII_AT001_PSSR_100MBS: - *speed = SPEED_100; - break; - case MII_AT001_PSSR_10MBS: - *speed = SPEED_10; - break; - default: - return AT_ERR_PHY_SPEED; - break; - } - - if (phy_data & MII_AT001_PSSR_DPLX) - *duplex = FULL_DUPLEX; - else - *duplex = HALF_DUPLEX; - - return 0; -} - -int atl1e_restart_autoneg(struct atl1e_hw *hw) -{ - int err = 0; - - err = atl1e_write_phy_reg(hw, MII_ADVERTISE, hw->mii_autoneg_adv_reg); - if (err) - return err; - - if (hw->nic_type == athr_l1e || hw->nic_type == athr_l2e_revA) { - err = atl1e_write_phy_reg(hw, MII_CTRL1000, - hw->mii_1000t_ctrl_reg); - if (err) - return err; - } - - err = atl1e_write_phy_reg(hw, MII_BMCR, - BMCR_RESET | BMCR_ANENABLE | BMCR_ANRESTART); - return err; -} - diff --git a/drivers/net/atl1e/atl1e_hw.h b/drivers/net/atl1e/atl1e_hw.h deleted file mode 100644 index 74df16aef793..000000000000 --- a/drivers/net/atl1e/atl1e_hw.h +++ /dev/null @@ -1,690 +0,0 @@ -/* - * Copyright(c) 2007 Atheros Corporation. All rights reserved. - * - * Derived from Intel e1000 driver - * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., 59 - * Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -#ifndef _ATHL1E_HW_H_ -#define _ATHL1E_HW_H_ - -#include -#include - -struct atl1e_adapter; -struct atl1e_hw; - -/* function prototype */ -s32 atl1e_reset_hw(struct atl1e_hw *hw); -s32 atl1e_read_mac_addr(struct atl1e_hw *hw); -s32 atl1e_init_hw(struct atl1e_hw *hw); -s32 atl1e_phy_commit(struct atl1e_hw *hw); -s32 atl1e_get_speed_and_duplex(struct atl1e_hw *hw, u16 *speed, u16 *duplex); -u32 atl1e_auto_get_fc(struct atl1e_adapter *adapter, u16 duplex); -u32 atl1e_hash_mc_addr(struct atl1e_hw *hw, u8 *mc_addr); -void atl1e_hash_set(struct atl1e_hw *hw, u32 hash_value); -s32 atl1e_read_phy_reg(struct atl1e_hw *hw, u16 reg_addr, u16 *phy_data); -s32 atl1e_write_phy_reg(struct atl1e_hw *hw, u32 reg_addr, u16 phy_data); -s32 atl1e_validate_mdi_setting(struct atl1e_hw *hw); -void atl1e_hw_set_mac_addr(struct atl1e_hw *hw); -bool atl1e_read_eeprom(struct atl1e_hw *hw, u32 offset, u32 *p_value); -bool atl1e_write_eeprom(struct atl1e_hw *hw, u32 offset, u32 value); -s32 atl1e_phy_enter_power_saving(struct atl1e_hw *hw); -s32 atl1e_phy_leave_power_saving(struct atl1e_hw *hw); -s32 atl1e_phy_init(struct atl1e_hw *hw); -int atl1e_check_eeprom_exist(struct atl1e_hw *hw); -void atl1e_force_ps(struct atl1e_hw *hw); -s32 atl1e_restart_autoneg(struct atl1e_hw *hw); - -/* register definition */ -#define REG_PM_CTRLSTAT 0x44 - -#define REG_PCIE_CAP_LIST 0x58 - -#define REG_DEVICE_CAP 0x5C -#define DEVICE_CAP_MAX_PAYLOAD_MASK 0x7 -#define DEVICE_CAP_MAX_PAYLOAD_SHIFT 0 - -#define REG_DEVICE_CTRL 0x60 -#define DEVICE_CTRL_MAX_PAYLOAD_MASK 0x7 -#define DEVICE_CTRL_MAX_PAYLOAD_SHIFT 5 -#define DEVICE_CTRL_MAX_RREQ_SZ_MASK 0x7 -#define DEVICE_CTRL_MAX_RREQ_SZ_SHIFT 12 - -#define REG_VPD_CAP 0x6C -#define VPD_CAP_ID_MASK 0xff -#define VPD_CAP_ID_SHIFT 0 -#define VPD_CAP_NEXT_PTR_MASK 0xFF -#define VPD_CAP_NEXT_PTR_SHIFT 8 -#define VPD_CAP_VPD_ADDR_MASK 0x7FFF -#define VPD_CAP_VPD_ADDR_SHIFT 16 -#define VPD_CAP_VPD_FLAG 0x80000000 - -#define REG_VPD_DATA 0x70 - -#define REG_SPI_FLASH_CTRL 0x200 -#define SPI_FLASH_CTRL_STS_NON_RDY 0x1 -#define SPI_FLASH_CTRL_STS_WEN 0x2 -#define SPI_FLASH_CTRL_STS_WPEN 0x80 -#define SPI_FLASH_CTRL_DEV_STS_MASK 0xFF -#define SPI_FLASH_CTRL_DEV_STS_SHIFT 0 -#define SPI_FLASH_CTRL_INS_MASK 0x7 -#define SPI_FLASH_CTRL_INS_SHIFT 8 -#define SPI_FLASH_CTRL_START 0x800 -#define SPI_FLASH_CTRL_EN_VPD 0x2000 -#define SPI_FLASH_CTRL_LDSTART 0x8000 -#define SPI_FLASH_CTRL_CS_HI_MASK 0x3 -#define SPI_FLASH_CTRL_CS_HI_SHIFT 16 -#define SPI_FLASH_CTRL_CS_HOLD_MASK 0x3 -#define SPI_FLASH_CTRL_CS_HOLD_SHIFT 18 -#define SPI_FLASH_CTRL_CLK_LO_MASK 0x3 -#define SPI_FLASH_CTRL_CLK_LO_SHIFT 20 -#define SPI_FLASH_CTRL_CLK_HI_MASK 0x3 -#define SPI_FLASH_CTRL_CLK_HI_SHIFT 22 -#define SPI_FLASH_CTRL_CS_SETUP_MASK 0x3 -#define SPI_FLASH_CTRL_CS_SETUP_SHIFT 24 -#define SPI_FLASH_CTRL_EROM_PGSZ_MASK 0x3 -#define SPI_FLASH_CTRL_EROM_PGSZ_SHIFT 26 -#define SPI_FLASH_CTRL_WAIT_READY 0x10000000 - -#define REG_SPI_ADDR 0x204 - -#define REG_SPI_DATA 0x208 - -#define REG_SPI_FLASH_CONFIG 0x20C -#define SPI_FLASH_CONFIG_LD_ADDR_MASK 0xFFFFFF -#define SPI_FLASH_CONFIG_LD_ADDR_SHIFT 0 -#define SPI_FLASH_CONFIG_VPD_ADDR_MASK 0x3 -#define SPI_FLASH_CONFIG_VPD_ADDR_SHIFT 24 -#define SPI_FLASH_CONFIG_LD_EXIST 0x4000000 - - -#define REG_SPI_FLASH_OP_PROGRAM 0x210 -#define REG_SPI_FLASH_OP_SC_ERASE 0x211 -#define REG_SPI_FLASH_OP_CHIP_ERASE 0x212 -#define REG_SPI_FLASH_OP_RDID 0x213 -#define REG_SPI_FLASH_OP_WREN 0x214 -#define REG_SPI_FLASH_OP_RDSR 0x215 -#define REG_SPI_FLASH_OP_WRSR 0x216 -#define REG_SPI_FLASH_OP_READ 0x217 - -#define REG_TWSI_CTRL 0x218 -#define TWSI_CTRL_LD_OFFSET_MASK 0xFF -#define TWSI_CTRL_LD_OFFSET_SHIFT 0 -#define TWSI_CTRL_LD_SLV_ADDR_MASK 0x7 -#define TWSI_CTRL_LD_SLV_ADDR_SHIFT 8 -#define TWSI_CTRL_SW_LDSTART 0x800 -#define TWSI_CTRL_HW_LDSTART 0x1000 -#define TWSI_CTRL_SMB_SLV_ADDR_MASK 0x0x7F -#define TWSI_CTRL_SMB_SLV_ADDR_SHIFT 15 -#define TWSI_CTRL_LD_EXIST 0x400000 -#define TWSI_CTRL_READ_FREQ_SEL_MASK 0x3 -#define TWSI_CTRL_READ_FREQ_SEL_SHIFT 23 -#define TWSI_CTRL_FREQ_SEL_100K 0 -#define TWSI_CTRL_FREQ_SEL_200K 1 -#define TWSI_CTRL_FREQ_SEL_300K 2 -#define TWSI_CTRL_FREQ_SEL_400K 3 -#define TWSI_CTRL_SMB_SLV_ADDR -#define TWSI_CTRL_WRITE_FREQ_SEL_MASK 0x3 -#define TWSI_CTRL_WRITE_FREQ_SEL_SHIFT 24 - - -#define REG_PCIE_DEV_MISC_CTRL 0x21C -#define PCIE_DEV_MISC_CTRL_EXT_PIPE 0x2 -#define PCIE_DEV_MISC_CTRL_RETRY_BUFDIS 0x1 -#define PCIE_DEV_MISC_CTRL_SPIROM_EXIST 0x4 -#define PCIE_DEV_MISC_CTRL_SERDES_ENDIAN 0x8 -#define PCIE_DEV_MISC_CTRL_SERDES_SEL_DIN 0x10 - -#define REG_PCIE_PHYMISC 0x1000 -#define PCIE_PHYMISC_FORCE_RCV_DET 0x4 - -#define REG_LTSSM_TEST_MODE 0x12FC -#define LTSSM_TEST_MODE_DEF 0xE000 - -/* Selene Master Control Register */ -#define REG_MASTER_CTRL 0x1400 -#define MASTER_CTRL_SOFT_RST 0x1 -#define MASTER_CTRL_MTIMER_EN 0x2 -#define MASTER_CTRL_ITIMER_EN 0x4 -#define MASTER_CTRL_MANUAL_INT 0x8 -#define MASTER_CTRL_ITIMER2_EN 0x20 -#define MASTER_CTRL_INT_RDCLR 0x40 -#define MASTER_CTRL_LED_MODE 0x200 -#define MASTER_CTRL_REV_NUM_SHIFT 16 -#define MASTER_CTRL_REV_NUM_MASK 0xff -#define MASTER_CTRL_DEV_ID_SHIFT 24 -#define MASTER_CTRL_DEV_ID_MASK 0xff - -/* Timer Initial Value Register */ -#define REG_MANUAL_TIMER_INIT 0x1404 - - -/* IRQ ModeratorTimer Initial Value Register */ -#define REG_IRQ_MODU_TIMER_INIT 0x1408 /* w */ -#define REG_IRQ_MODU_TIMER2_INIT 0x140A /* w */ - - -#define REG_GPHY_CTRL 0x140C -#define GPHY_CTRL_EXT_RESET 1 -#define GPHY_CTRL_PIPE_MOD 2 -#define GPHY_CTRL_TEST_MODE_MASK 3 -#define GPHY_CTRL_TEST_MODE_SHIFT 2 -#define GPHY_CTRL_BERT_START 0x10 -#define GPHY_CTRL_GATE_25M_EN 0x20 -#define GPHY_CTRL_LPW_EXIT 0x40 -#define GPHY_CTRL_PHY_IDDQ 0x80 -#define GPHY_CTRL_PHY_IDDQ_DIS 0x100 -#define GPHY_CTRL_PCLK_SEL_DIS 0x200 -#define GPHY_CTRL_HIB_EN 0x400 -#define GPHY_CTRL_HIB_PULSE 0x800 -#define GPHY_CTRL_SEL_ANA_RST 0x1000 -#define GPHY_CTRL_PHY_PLL_ON 0x2000 -#define GPHY_CTRL_PWDOWN_HW 0x4000 -#define GPHY_CTRL_DEFAULT (\ - GPHY_CTRL_PHY_PLL_ON |\ - GPHY_CTRL_SEL_ANA_RST |\ - GPHY_CTRL_HIB_PULSE |\ - GPHY_CTRL_HIB_EN) - -#define GPHY_CTRL_PW_WOL_DIS (\ - GPHY_CTRL_PHY_PLL_ON |\ - GPHY_CTRL_SEL_ANA_RST |\ - GPHY_CTRL_HIB_PULSE |\ - GPHY_CTRL_HIB_EN |\ - GPHY_CTRL_PWDOWN_HW |\ - GPHY_CTRL_PCLK_SEL_DIS |\ - GPHY_CTRL_PHY_IDDQ) - -/* IRQ Anti-Lost Timer Initial Value Register */ -#define REG_CMBDISDMA_TIMER 0x140E - - -/* Block IDLE Status Register */ -#define REG_IDLE_STATUS 0x1410 -#define IDLE_STATUS_RXMAC 1 /* 1: RXMAC state machine is in non-IDLE state. 0: RXMAC is idling */ -#define IDLE_STATUS_TXMAC 2 /* 1: TXMAC state machine is in non-IDLE state. 0: TXMAC is idling */ -#define IDLE_STATUS_RXQ 4 /* 1: RXQ state machine is in non-IDLE state. 0: RXQ is idling */ -#define IDLE_STATUS_TXQ 8 /* 1: TXQ state machine is in non-IDLE state. 0: TXQ is idling */ -#define IDLE_STATUS_DMAR 0x10 /* 1: DMAR state machine is in non-IDLE state. 0: DMAR is idling */ -#define IDLE_STATUS_DMAW 0x20 /* 1: DMAW state machine is in non-IDLE state. 0: DMAW is idling */ -#define IDLE_STATUS_SMB 0x40 /* 1: SMB state machine is in non-IDLE state. 0: SMB is idling */ -#define IDLE_STATUS_CMB 0x80 /* 1: CMB state machine is in non-IDLE state. 0: CMB is idling */ - -/* MDIO Control Register */ -#define REG_MDIO_CTRL 0x1414 -#define MDIO_DATA_MASK 0xffff /* On MDIO write, the 16-bit control data to write to PHY MII management register */ -#define MDIO_DATA_SHIFT 0 /* On MDIO read, the 16-bit status data that was read from the PHY MII management register*/ -#define MDIO_REG_ADDR_MASK 0x1f /* MDIO register address */ -#define MDIO_REG_ADDR_SHIFT 16 -#define MDIO_RW 0x200000 /* 1: read, 0: write */ -#define MDIO_SUP_PREAMBLE 0x400000 /* Suppress preamble */ -#define MDIO_START 0x800000 /* Write 1 to initiate the MDIO master. And this bit is self cleared after one cycle*/ -#define MDIO_CLK_SEL_SHIFT 24 -#define MDIO_CLK_25_4 0 -#define MDIO_CLK_25_6 2 -#define MDIO_CLK_25_8 3 -#define MDIO_CLK_25_10 4 -#define MDIO_CLK_25_14 5 -#define MDIO_CLK_25_20 6 -#define MDIO_CLK_25_28 7 -#define MDIO_BUSY 0x8000000 -#define MDIO_AP_EN 0x10000000 -#define MDIO_WAIT_TIMES 10 - -/* MII PHY Status Register */ -#define REG_PHY_STATUS 0x1418 -#define PHY_STATUS_100M 0x20000 -#define PHY_STATUS_EMI_CA 0x40000 - -/* BIST Control and Status Register0 (for the Packet Memory) */ -#define REG_BIST0_CTRL 0x141c -#define BIST0_NOW 0x1 /* 1: To trigger BIST0 logic. This bit stays high during the */ -/* BIST process and reset to zero when BIST is done */ -#define BIST0_SRAM_FAIL 0x2 /* 1: The SRAM failure is un-repairable because it has address */ -/* decoder failure or more than 1 cell stuck-to-x failure */ -#define BIST0_FUSE_FLAG 0x4 /* 1: Indicating one cell has been fixed */ - -/* BIST Control and Status Register1(for the retry buffer of PCI Express) */ -#define REG_BIST1_CTRL 0x1420 -#define BIST1_NOW 0x1 /* 1: To trigger BIST0 logic. This bit stays high during the */ -/* BIST process and reset to zero when BIST is done */ -#define BIST1_SRAM_FAIL 0x2 /* 1: The SRAM failure is un-repairable because it has address */ -/* decoder failure or more than 1 cell stuck-to-x failure.*/ -#define BIST1_FUSE_FLAG 0x4 - -/* SerDes Lock Detect Control and Status Register */ -#define REG_SERDES_LOCK 0x1424 -#define SERDES_LOCK_DETECT 1 /* 1: SerDes lock detected . This signal comes from Analog SerDes */ -#define SERDES_LOCK_DETECT_EN 2 /* 1: Enable SerDes Lock detect function */ - -/* MAC Control Register */ -#define REG_MAC_CTRL 0x1480 -#define MAC_CTRL_TX_EN 1 /* 1: Transmit Enable */ -#define MAC_CTRL_RX_EN 2 /* 1: Receive Enable */ -#define MAC_CTRL_TX_FLOW 4 /* 1: Transmit Flow Control Enable */ -#define MAC_CTRL_RX_FLOW 8 /* 1: Receive Flow Control Enable */ -#define MAC_CTRL_LOOPBACK 0x10 /* 1: Loop back at G/MII Interface */ -#define MAC_CTRL_DUPLX 0x20 /* 1: Full-duplex mode 0: Half-duplex mode */ -#define MAC_CTRL_ADD_CRC 0x40 /* 1: Instruct MAC to attach CRC on all egress Ethernet frames */ -#define MAC_CTRL_PAD 0x80 /* 1: Instruct MAC to pad short frames to 60-bytes, and then attach CRC. This bit has higher priority over CRC_EN */ -#define MAC_CTRL_LENCHK 0x100 /* 1: Instruct MAC to check if length field matches the real packet length */ -#define MAC_CTRL_HUGE_EN 0x200 /* 1: receive Jumbo frame enable */ -#define MAC_CTRL_PRMLEN_SHIFT 10 /* Preamble length */ -#define MAC_CTRL_PRMLEN_MASK 0xf -#define MAC_CTRL_RMV_VLAN 0x4000 /* 1: to remove VLAN Tag automatically from all receive packets */ -#define MAC_CTRL_PROMIS_EN 0x8000 /* 1: Promiscuous Mode Enable */ -#define MAC_CTRL_TX_PAUSE 0x10000 /* 1: transmit test pause */ -#define MAC_CTRL_SCNT 0x20000 /* 1: shortcut slot time counter */ -#define MAC_CTRL_SRST_TX 0x40000 /* 1: synchronized reset Transmit MAC module */ -#define MAC_CTRL_TX_SIMURST 0x80000 /* 1: transmit simulation reset */ -#define MAC_CTRL_SPEED_SHIFT 20 /* 10: gigabit 01:10M/100M */ -#define MAC_CTRL_SPEED_MASK 0x300000 -#define MAC_CTRL_SPEED_1000 2 -#define MAC_CTRL_SPEED_10_100 1 -#define MAC_CTRL_DBG_TX_BKPRESURE 0x400000 /* 1: transmit maximum backoff (half-duplex test bit) */ -#define MAC_CTRL_TX_HUGE 0x800000 /* 1: transmit huge enable */ -#define MAC_CTRL_RX_CHKSUM_EN 0x1000000 /* 1: RX checksum enable */ -#define MAC_CTRL_MC_ALL_EN 0x2000000 /* 1: upload all multicast frame without error to system */ -#define MAC_CTRL_BC_EN 0x4000000 /* 1: upload all broadcast frame without error to system */ -#define MAC_CTRL_DBG 0x8000000 /* 1: upload all received frame to system (Debug Mode) */ - -/* MAC IPG/IFG Control Register */ -#define REG_MAC_IPG_IFG 0x1484 -#define MAC_IPG_IFG_IPGT_SHIFT 0 /* Desired back to back inter-packet gap. The default is 96-bit time */ -#define MAC_IPG_IFG_IPGT_MASK 0x7f -#define MAC_IPG_IFG_MIFG_SHIFT 8 /* Minimum number of IFG to enforce in between RX frames */ -#define MAC_IPG_IFG_MIFG_MASK 0xff /* Frame gap below such IFP is dropped */ -#define MAC_IPG_IFG_IPGR1_SHIFT 16 /* 64bit Carrier-Sense window */ -#define MAC_IPG_IFG_IPGR1_MASK 0x7f -#define MAC_IPG_IFG_IPGR2_SHIFT 24 /* 96-bit IPG window */ -#define MAC_IPG_IFG_IPGR2_MASK 0x7f - -/* MAC STATION ADDRESS */ -#define REG_MAC_STA_ADDR 0x1488 - -/* Hash table for multicast address */ -#define REG_RX_HASH_TABLE 0x1490 - - -/* MAC Half-Duplex Control Register */ -#define REG_MAC_HALF_DUPLX_CTRL 0x1498 -#define MAC_HALF_DUPLX_CTRL_LCOL_SHIFT 0 /* Collision Window */ -#define MAC_HALF_DUPLX_CTRL_LCOL_MASK 0x3ff -#define MAC_HALF_DUPLX_CTRL_RETRY_SHIFT 12 /* Retransmission maximum, afterwards the packet will be discarded */ -#define MAC_HALF_DUPLX_CTRL_RETRY_MASK 0xf -#define MAC_HALF_DUPLX_CTRL_EXC_DEF_EN 0x10000 /* 1: Allow the transmission of a packet which has been excessively deferred */ -#define MAC_HALF_DUPLX_CTRL_NO_BACK_C 0x20000 /* 1: No back-off on collision, immediately start the retransmission */ -#define MAC_HALF_DUPLX_CTRL_NO_BACK_P 0x40000 /* 1: No back-off on backpressure, immediately start the transmission after back pressure */ -#define MAC_HALF_DUPLX_CTRL_ABEBE 0x80000 /* 1: Alternative Binary Exponential Back-off Enabled */ -#define MAC_HALF_DUPLX_CTRL_ABEBT_SHIFT 20 /* Maximum binary exponential number */ -#define MAC_HALF_DUPLX_CTRL_ABEBT_MASK 0xf -#define MAC_HALF_DUPLX_CTRL_JAMIPG_SHIFT 24 /* IPG to start JAM for collision based flow control in half-duplex */ -#define MAC_HALF_DUPLX_CTRL_JAMIPG_MASK 0xf /* mode. In unit of 8-bit time */ - -/* Maximum Frame Length Control Register */ -#define REG_MTU 0x149c - -/* Wake-On-Lan control register */ -#define REG_WOL_CTRL 0x14a0 -#define WOL_PATTERN_EN 0x00000001 -#define WOL_PATTERN_PME_EN 0x00000002 -#define WOL_MAGIC_EN 0x00000004 -#define WOL_MAGIC_PME_EN 0x00000008 -#define WOL_LINK_CHG_EN 0x00000010 -#define WOL_LINK_CHG_PME_EN 0x00000020 -#define WOL_PATTERN_ST 0x00000100 -#define WOL_MAGIC_ST 0x00000200 -#define WOL_LINKCHG_ST 0x00000400 -#define WOL_CLK_SWITCH_EN 0x00008000 -#define WOL_PT0_EN 0x00010000 -#define WOL_PT1_EN 0x00020000 -#define WOL_PT2_EN 0x00040000 -#define WOL_PT3_EN 0x00080000 -#define WOL_PT4_EN 0x00100000 -#define WOL_PT5_EN 0x00200000 -#define WOL_PT6_EN 0x00400000 -/* WOL Length ( 2 DWORD ) */ -#define REG_WOL_PATTERN_LEN 0x14a4 -#define WOL_PT_LEN_MASK 0x7f -#define WOL_PT0_LEN_SHIFT 0 -#define WOL_PT1_LEN_SHIFT 8 -#define WOL_PT2_LEN_SHIFT 16 -#define WOL_PT3_LEN_SHIFT 24 -#define WOL_PT4_LEN_SHIFT 0 -#define WOL_PT5_LEN_SHIFT 8 -#define WOL_PT6_LEN_SHIFT 16 - -/* Internal SRAM Partition Register */ -#define REG_SRAM_TRD_ADDR 0x1518 -#define REG_SRAM_TRD_LEN 0x151C -#define REG_SRAM_RXF_ADDR 0x1520 -#define REG_SRAM_RXF_LEN 0x1524 -#define REG_SRAM_TXF_ADDR 0x1528 -#define REG_SRAM_TXF_LEN 0x152C -#define REG_SRAM_TCPH_ADDR 0x1530 -#define REG_SRAM_PKTH_ADDR 0x1532 - -/* Load Ptr Register */ -#define REG_LOAD_PTR 0x1534 /* Software sets this bit after the initialization of the head and tail */ - -/* - * addresses of all descriptors, as well as the following descriptor - * control register, which triggers each function block to load the head - * pointer to prepare for the operation. This bit is then self-cleared - * after one cycle. - */ - -/* Descriptor Control register */ -#define REG_RXF3_BASE_ADDR_HI 0x153C -#define REG_DESC_BASE_ADDR_HI 0x1540 -#define REG_RXF0_BASE_ADDR_HI 0x1540 /* share with DESC BASE ADDR HI */ -#define REG_HOST_RXF0_PAGE0_LO 0x1544 -#define REG_HOST_RXF0_PAGE1_LO 0x1548 -#define REG_TPD_BASE_ADDR_LO 0x154C -#define REG_RXF1_BASE_ADDR_HI 0x1550 -#define REG_RXF2_BASE_ADDR_HI 0x1554 -#define REG_HOST_RXFPAGE_SIZE 0x1558 -#define REG_TPD_RING_SIZE 0x155C -/* RSS about */ -#define REG_RSS_KEY0 0x14B0 -#define REG_RSS_KEY1 0x14B4 -#define REG_RSS_KEY2 0x14B8 -#define REG_RSS_KEY3 0x14BC -#define REG_RSS_KEY4 0x14C0 -#define REG_RSS_KEY5 0x14C4 -#define REG_RSS_KEY6 0x14C8 -#define REG_RSS_KEY7 0x14CC -#define REG_RSS_KEY8 0x14D0 -#define REG_RSS_KEY9 0x14D4 -#define REG_IDT_TABLE4 0x14E0 -#define REG_IDT_TABLE5 0x14E4 -#define REG_IDT_TABLE6 0x14E8 -#define REG_IDT_TABLE7 0x14EC -#define REG_IDT_TABLE0 0x1560 -#define REG_IDT_TABLE1 0x1564 -#define REG_IDT_TABLE2 0x1568 -#define REG_IDT_TABLE3 0x156C -#define REG_IDT_TABLE REG_IDT_TABLE0 -#define REG_RSS_HASH_VALUE 0x1570 -#define REG_RSS_HASH_FLAG 0x1574 -#define REG_BASE_CPU_NUMBER 0x157C - - -/* TXQ Control Register */ -#define REG_TXQ_CTRL 0x1580 -#define TXQ_CTRL_NUM_TPD_BURST_MASK 0xF -#define TXQ_CTRL_NUM_TPD_BURST_SHIFT 0 -#define TXQ_CTRL_EN 0x20 /* 1: Enable TXQ */ -#define TXQ_CTRL_ENH_MODE 0x40 /* Performance enhancement mode, in which up to two back-to-back DMA read commands might be dispatched. */ -#define TXQ_CTRL_TXF_BURST_NUM_SHIFT 16 /* Number of data byte to read in a cache-aligned burst. Each SRAM entry is 8-byte in length. */ -#define TXQ_CTRL_TXF_BURST_NUM_MASK 0xffff - -/* Jumbo packet Threshold for task offload */ -#define REG_TX_EARLY_TH 0x1584 /* Jumbo frame threshold in QWORD unit. Packet greater than */ -/* JUMBO_TASK_OFFLOAD_THRESHOLD will not be task offloaded. */ -#define TX_TX_EARLY_TH_MASK 0x7ff -#define TX_TX_EARLY_TH_SHIFT 0 - - -/* RXQ Control Register */ -#define REG_RXQ_CTRL 0x15A0 -#define RXQ_CTRL_PBA_ALIGN_32 0 /* rx-packet alignment */ -#define RXQ_CTRL_PBA_ALIGN_64 1 -#define RXQ_CTRL_PBA_ALIGN_128 2 -#define RXQ_CTRL_PBA_ALIGN_256 3 -#define RXQ_CTRL_Q1_EN 0x10 -#define RXQ_CTRL_Q2_EN 0x20 -#define RXQ_CTRL_Q3_EN 0x40 -#define RXQ_CTRL_IPV6_XSUM_VERIFY_EN 0x80 -#define RXQ_CTRL_HASH_TLEN_SHIFT 8 -#define RXQ_CTRL_HASH_TLEN_MASK 0xFF -#define RXQ_CTRL_HASH_TYPE_IPV4 0x10000 -#define RXQ_CTRL_HASH_TYPE_IPV4_TCP 0x20000 -#define RXQ_CTRL_HASH_TYPE_IPV6 0x40000 -#define RXQ_CTRL_HASH_TYPE_IPV6_TCP 0x80000 -#define RXQ_CTRL_RSS_MODE_DISABLE 0 -#define RXQ_CTRL_RSS_MODE_SQSINT 0x4000000 -#define RXQ_CTRL_RSS_MODE_MQUESINT 0x8000000 -#define RXQ_CTRL_RSS_MODE_MQUEMINT 0xC000000 -#define RXQ_CTRL_NIP_QUEUE_SEL_TBL 0x10000000 -#define RXQ_CTRL_HASH_ENABLE 0x20000000 -#define RXQ_CTRL_CUT_THRU_EN 0x40000000 -#define RXQ_CTRL_EN 0x80000000 - -/* Rx jumbo packet threshold and rrd retirement timer */ -#define REG_RXQ_JMBOSZ_RRDTIM 0x15A4 -/* - * Jumbo packet threshold for non-VLAN packet, in QWORD (64-bit) unit. - * When the packet length greater than or equal to this value, RXQ - * shall start cut-through forwarding of the received packet. - */ -#define RXQ_JMBOSZ_TH_MASK 0x7ff -#define RXQ_JMBOSZ_TH_SHIFT 0 /* RRD retirement timer. Decrement by 1 after every 512ns passes*/ -#define RXQ_JMBO_LKAH_MASK 0xf -#define RXQ_JMBO_LKAH_SHIFT 11 - -/* RXF flow control register */ -#define REG_RXQ_RXF_PAUSE_THRESH 0x15A8 -#define RXQ_RXF_PAUSE_TH_HI_SHIFT 0 -#define RXQ_RXF_PAUSE_TH_HI_MASK 0xfff -#define RXQ_RXF_PAUSE_TH_LO_SHIFT 16 -#define RXQ_RXF_PAUSE_TH_LO_MASK 0xfff - - -/* DMA Engine Control Register */ -#define REG_DMA_CTRL 0x15C0 -#define DMA_CTRL_DMAR_IN_ORDER 0x1 -#define DMA_CTRL_DMAR_ENH_ORDER 0x2 -#define DMA_CTRL_DMAR_OUT_ORDER 0x4 -#define DMA_CTRL_RCB_VALUE 0x8 -#define DMA_CTRL_DMAR_BURST_LEN_SHIFT 4 -#define DMA_CTRL_DMAR_BURST_LEN_MASK 7 -#define DMA_CTRL_DMAW_BURST_LEN_SHIFT 7 -#define DMA_CTRL_DMAW_BURST_LEN_MASK 7 -#define DMA_CTRL_DMAR_REQ_PRI 0x400 -#define DMA_CTRL_DMAR_DLY_CNT_MASK 0x1F -#define DMA_CTRL_DMAR_DLY_CNT_SHIFT 11 -#define DMA_CTRL_DMAW_DLY_CNT_MASK 0xF -#define DMA_CTRL_DMAW_DLY_CNT_SHIFT 16 -#define DMA_CTRL_TXCMB_EN 0x100000 -#define DMA_CTRL_RXCMB_EN 0x200000 - - -/* CMB/SMB Control Register */ -#define REG_SMB_STAT_TIMER 0x15C4 -#define REG_TRIG_RRD_THRESH 0x15CA -#define REG_TRIG_TPD_THRESH 0x15C8 -#define REG_TRIG_TXTIMER 0x15CC -#define REG_TRIG_RXTIMER 0x15CE - -/* HOST RXF Page 1,2,3 address */ -#define REG_HOST_RXF1_PAGE0_LO 0x15D0 -#define REG_HOST_RXF1_PAGE1_LO 0x15D4 -#define REG_HOST_RXF2_PAGE0_LO 0x15D8 -#define REG_HOST_RXF2_PAGE1_LO 0x15DC -#define REG_HOST_RXF3_PAGE0_LO 0x15E0 -#define REG_HOST_RXF3_PAGE1_LO 0x15E4 - -/* Mail box */ -#define REG_MB_RXF1_RADDR 0x15B4 -#define REG_MB_RXF2_RADDR 0x15B8 -#define REG_MB_RXF3_RADDR 0x15BC -#define REG_MB_TPD_PROD_IDX 0x15F0 - -/* RXF-Page 0-3 PageNo & Valid bit */ -#define REG_HOST_RXF0_PAGE0_VLD 0x15F4 -#define HOST_RXF_VALID 1 -#define HOST_RXF_PAGENO_SHIFT 1 -#define HOST_RXF_PAGENO_MASK 0x7F -#define REG_HOST_RXF0_PAGE1_VLD 0x15F5 -#define REG_HOST_RXF1_PAGE0_VLD 0x15F6 -#define REG_HOST_RXF1_PAGE1_VLD 0x15F7 -#define REG_HOST_RXF2_PAGE0_VLD 0x15F8 -#define REG_HOST_RXF2_PAGE1_VLD 0x15F9 -#define REG_HOST_RXF3_PAGE0_VLD 0x15FA -#define REG_HOST_RXF3_PAGE1_VLD 0x15FB - -/* Interrupt Status Register */ -#define REG_ISR 0x1600 -#define ISR_SMB 1 -#define ISR_TIMER 2 /* Interrupt when Timer is counted down to zero */ -/* - * Software manual interrupt, for debug. Set when SW_MAN_INT_EN is set - * in Table 51 Selene Master Control Register (Offset 0x1400). - */ -#define ISR_MANUAL 4 -#define ISR_HW_RXF_OV 8 /* RXF overflow interrupt */ -#define ISR_HOST_RXF0_OV 0x10 -#define ISR_HOST_RXF1_OV 0x20 -#define ISR_HOST_RXF2_OV 0x40 -#define ISR_HOST_RXF3_OV 0x80 -#define ISR_TXF_UN 0x100 -#define ISR_RX0_PAGE_FULL 0x200 -#define ISR_DMAR_TO_RST 0x400 -#define ISR_DMAW_TO_RST 0x800 -#define ISR_GPHY 0x1000 -#define ISR_TX_CREDIT 0x2000 -#define ISR_GPHY_LPW 0x4000 /* GPHY low power state interrupt */ -#define ISR_RX_PKT 0x10000 /* One packet received, triggered by RFD */ -#define ISR_TX_PKT 0x20000 /* One packet transmitted, triggered by TPD */ -#define ISR_TX_DMA 0x40000 -#define ISR_RX_PKT_1 0x80000 -#define ISR_RX_PKT_2 0x100000 -#define ISR_RX_PKT_3 0x200000 -#define ISR_MAC_RX 0x400000 -#define ISR_MAC_TX 0x800000 -#define ISR_UR_DETECTED 0x1000000 -#define ISR_FERR_DETECTED 0x2000000 -#define ISR_NFERR_DETECTED 0x4000000 -#define ISR_CERR_DETECTED 0x8000000 -#define ISR_PHY_LINKDOWN 0x10000000 -#define ISR_DIS_INT 0x80000000 - - -/* Interrupt Mask Register */ -#define REG_IMR 0x1604 - - -#define IMR_NORMAL_MASK (\ - ISR_SMB |\ - ISR_TXF_UN |\ - ISR_HW_RXF_OV |\ - ISR_HOST_RXF0_OV|\ - ISR_MANUAL |\ - ISR_GPHY |\ - ISR_GPHY_LPW |\ - ISR_DMAR_TO_RST |\ - ISR_DMAW_TO_RST |\ - ISR_PHY_LINKDOWN|\ - ISR_RX_PKT |\ - ISR_TX_PKT) - -#define ISR_TX_EVENT (ISR_TXF_UN | ISR_TX_PKT) -#define ISR_RX_EVENT (ISR_HOST_RXF0_OV | ISR_HW_RXF_OV | ISR_RX_PKT) - -#define REG_MAC_RX_STATUS_BIN 0x1700 -#define REG_MAC_RX_STATUS_END 0x175c -#define REG_MAC_TX_STATUS_BIN 0x1760 -#define REG_MAC_TX_STATUS_END 0x17c0 - -/* Hardware Offset Register */ -#define REG_HOST_RXF0_PAGEOFF 0x1800 -#define REG_TPD_CONS_IDX 0x1804 -#define REG_HOST_RXF1_PAGEOFF 0x1808 -#define REG_HOST_RXF2_PAGEOFF 0x180C -#define REG_HOST_RXF3_PAGEOFF 0x1810 - -/* RXF-Page 0-3 Offset DMA Address */ -#define REG_HOST_RXF0_MB0_LO 0x1820 -#define REG_HOST_RXF0_MB1_LO 0x1824 -#define REG_HOST_RXF1_MB0_LO 0x1828 -#define REG_HOST_RXF1_MB1_LO 0x182C -#define REG_HOST_RXF2_MB0_LO 0x1830 -#define REG_HOST_RXF2_MB1_LO 0x1834 -#define REG_HOST_RXF3_MB0_LO 0x1838 -#define REG_HOST_RXF3_MB1_LO 0x183C - -/* Tpd CMB DMA Address */ -#define REG_HOST_TX_CMB_LO 0x1840 -#define REG_HOST_SMB_ADDR_LO 0x1844 - -/* DEBUG ADDR */ -#define REG_DEBUG_DATA0 0x1900 -#define REG_DEBUG_DATA1 0x1904 - -/***************************** MII definition ***************************************/ -/* PHY Common Register */ -#define MII_AT001_PSCR 0x10 -#define MII_AT001_PSSR 0x11 -#define MII_INT_CTRL 0x12 -#define MII_INT_STATUS 0x13 -#define MII_SMARTSPEED 0x14 -#define MII_LBRERROR 0x18 -#define MII_RESV2 0x1a - -#define MII_DBG_ADDR 0x1D -#define MII_DBG_DATA 0x1E - -/* Autoneg Advertisement Register */ -#define MII_AR_DEFAULT_CAP_MASK 0 - -/* 1000BASE-T Control Register */ -#define MII_AT001_CR_1000T_SPEED_MASK \ - (ADVERTISE_1000FULL | ADVERTISE_1000HALF) -#define MII_AT001_CR_1000T_DEFAULT_CAP_MASK MII_AT001_CR_1000T_SPEED_MASK - -/* AT001 PHY Specific Control Register */ -#define MII_AT001_PSCR_JABBER_DISABLE 0x0001 /* 1=Jabber Function disabled */ -#define MII_AT001_PSCR_POLARITY_REVERSAL 0x0002 /* 1=Polarity Reversal enabled */ -#define MII_AT001_PSCR_SQE_TEST 0x0004 /* 1=SQE Test enabled */ -#define MII_AT001_PSCR_MAC_POWERDOWN 0x0008 -#define MII_AT001_PSCR_CLK125_DISABLE 0x0010 /* 1=CLK125 low, - * 0=CLK125 toggling - */ -#define MII_AT001_PSCR_MDI_MANUAL_MODE 0x0000 /* MDI Crossover Mode bits 6:5 */ -/* Manual MDI configuration */ -#define MII_AT001_PSCR_MDIX_MANUAL_MODE 0x0020 /* Manual MDIX configuration */ -#define MII_AT001_PSCR_AUTO_X_1000T 0x0040 /* 1000BASE-T: Auto crossover, - * 100BASE-TX/10BASE-T: - * MDI Mode - */ -#define MII_AT001_PSCR_AUTO_X_MODE 0x0060 /* Auto crossover enabled - * all speeds. - */ -#define MII_AT001_PSCR_10BT_EXT_DIST_ENABLE 0x0080 -/* 1=Enable Extended 10BASE-T distance - * (Lower 10BASE-T RX Threshold) - * 0=Normal 10BASE-T RX Threshold */ -#define MII_AT001_PSCR_MII_5BIT_ENABLE 0x0100 -/* 1=5-Bit interface in 100BASE-TX - * 0=MII interface in 100BASE-TX */ -#define MII_AT001_PSCR_SCRAMBLER_DISABLE 0x0200 /* 1=Scrambler disable */ -#define MII_AT001_PSCR_FORCE_LINK_GOOD 0x0400 /* 1=Force link good */ -#define MII_AT001_PSCR_ASSERT_CRS_ON_TX 0x0800 /* 1=Assert CRS on Transmit */ -#define MII_AT001_PSCR_POLARITY_REVERSAL_SHIFT 1 -#define MII_AT001_PSCR_AUTO_X_MODE_SHIFT 5 -#define MII_AT001_PSCR_10BT_EXT_DIST_ENABLE_SHIFT 7 -/* AT001 PHY Specific Status Register */ -#define MII_AT001_PSSR_SPD_DPLX_RESOLVED 0x0800 /* 1=Speed & Duplex resolved */ -#define MII_AT001_PSSR_DPLX 0x2000 /* 1=Duplex 0=Half Duplex */ -#define MII_AT001_PSSR_SPEED 0xC000 /* Speed, bits 14:15 */ -#define MII_AT001_PSSR_10MBS 0x0000 /* 00=10Mbs */ -#define MII_AT001_PSSR_100MBS 0x4000 /* 01=100Mbs */ -#define MII_AT001_PSSR_1000MBS 0x8000 /* 10=1000Mbs */ - -#endif /*_ATHL1E_HW_H_*/ diff --git a/drivers/net/atl1e/atl1e_main.c b/drivers/net/atl1e/atl1e_main.c deleted file mode 100644 index d8d411998fa3..000000000000 --- a/drivers/net/atl1e/atl1e_main.c +++ /dev/null @@ -1,2558 +0,0 @@ -/* - * Copyright(c) 2007 Atheros Corporation. All rights reserved. - * - * Derived from Intel e1000 driver - * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., 59 - * Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -#include "atl1e.h" - -#define DRV_VERSION "1.0.0.7-NAPI" - -char atl1e_driver_name[] = "ATL1E"; -char atl1e_driver_version[] = DRV_VERSION; -#define PCI_DEVICE_ID_ATTANSIC_L1E 0x1026 -/* - * atl1e_pci_tbl - PCI Device ID Table - * - * Wildcard entries (PCI_ANY_ID) should come last - * Last entry must be all 0s - * - * { Vendor ID, Device ID, SubVendor ID, SubDevice ID, - * Class, Class Mask, private data (not used) } - */ -static DEFINE_PCI_DEVICE_TABLE(atl1e_pci_tbl) = { - {PCI_DEVICE(PCI_VENDOR_ID_ATTANSIC, PCI_DEVICE_ID_ATTANSIC_L1E)}, - {PCI_DEVICE(PCI_VENDOR_ID_ATTANSIC, 0x1066)}, - /* required last entry */ - { 0 } -}; -MODULE_DEVICE_TABLE(pci, atl1e_pci_tbl); - -MODULE_AUTHOR("Atheros Corporation, , Jie Yang "); -MODULE_DESCRIPTION("Atheros 1000M Ethernet Network Driver"); -MODULE_LICENSE("GPL"); -MODULE_VERSION(DRV_VERSION); - -static void atl1e_setup_mac_ctrl(struct atl1e_adapter *adapter); - -static const u16 -atl1e_rx_page_vld_regs[AT_MAX_RECEIVE_QUEUE][AT_PAGE_NUM_PER_QUEUE] = -{ - {REG_HOST_RXF0_PAGE0_VLD, REG_HOST_RXF0_PAGE1_VLD}, - {REG_HOST_RXF1_PAGE0_VLD, REG_HOST_RXF1_PAGE1_VLD}, - {REG_HOST_RXF2_PAGE0_VLD, REG_HOST_RXF2_PAGE1_VLD}, - {REG_HOST_RXF3_PAGE0_VLD, REG_HOST_RXF3_PAGE1_VLD} -}; - -static const u16 atl1e_rx_page_hi_addr_regs[AT_MAX_RECEIVE_QUEUE] = -{ - REG_RXF0_BASE_ADDR_HI, - REG_RXF1_BASE_ADDR_HI, - REG_RXF2_BASE_ADDR_HI, - REG_RXF3_BASE_ADDR_HI -}; - -static const u16 -atl1e_rx_page_lo_addr_regs[AT_MAX_RECEIVE_QUEUE][AT_PAGE_NUM_PER_QUEUE] = -{ - {REG_HOST_RXF0_PAGE0_LO, REG_HOST_RXF0_PAGE1_LO}, - {REG_HOST_RXF1_PAGE0_LO, REG_HOST_RXF1_PAGE1_LO}, - {REG_HOST_RXF2_PAGE0_LO, REG_HOST_RXF2_PAGE1_LO}, - {REG_HOST_RXF3_PAGE0_LO, REG_HOST_RXF3_PAGE1_LO} -}; - -static const u16 -atl1e_rx_page_write_offset_regs[AT_MAX_RECEIVE_QUEUE][AT_PAGE_NUM_PER_QUEUE] = -{ - {REG_HOST_RXF0_MB0_LO, REG_HOST_RXF0_MB1_LO}, - {REG_HOST_RXF1_MB0_LO, REG_HOST_RXF1_MB1_LO}, - {REG_HOST_RXF2_MB0_LO, REG_HOST_RXF2_MB1_LO}, - {REG_HOST_RXF3_MB0_LO, REG_HOST_RXF3_MB1_LO} -}; - -static const u16 atl1e_pay_load_size[] = { - 128, 256, 512, 1024, 2048, 4096, -}; - -/* - * atl1e_irq_enable - Enable default interrupt generation settings - * @adapter: board private structure - */ -static inline void atl1e_irq_enable(struct atl1e_adapter *adapter) -{ - if (likely(atomic_dec_and_test(&adapter->irq_sem))) { - AT_WRITE_REG(&adapter->hw, REG_ISR, 0); - AT_WRITE_REG(&adapter->hw, REG_IMR, IMR_NORMAL_MASK); - AT_WRITE_FLUSH(&adapter->hw); - } -} - -/* - * atl1e_irq_disable - Mask off interrupt generation on the NIC - * @adapter: board private structure - */ -static inline void atl1e_irq_disable(struct atl1e_adapter *adapter) -{ - atomic_inc(&adapter->irq_sem); - AT_WRITE_REG(&adapter->hw, REG_IMR, 0); - AT_WRITE_FLUSH(&adapter->hw); - synchronize_irq(adapter->pdev->irq); -} - -/* - * atl1e_irq_reset - reset interrupt confiure on the NIC - * @adapter: board private structure - */ -static inline void atl1e_irq_reset(struct atl1e_adapter *adapter) -{ - atomic_set(&adapter->irq_sem, 0); - AT_WRITE_REG(&adapter->hw, REG_ISR, 0); - AT_WRITE_REG(&adapter->hw, REG_IMR, 0); - AT_WRITE_FLUSH(&adapter->hw); -} - -/* - * atl1e_phy_config - Timer Call-back - * @data: pointer to netdev cast into an unsigned long - */ -static void atl1e_phy_config(unsigned long data) -{ - struct atl1e_adapter *adapter = (struct atl1e_adapter *) data; - struct atl1e_hw *hw = &adapter->hw; - unsigned long flags; - - spin_lock_irqsave(&adapter->mdio_lock, flags); - atl1e_restart_autoneg(hw); - spin_unlock_irqrestore(&adapter->mdio_lock, flags); -} - -void atl1e_reinit_locked(struct atl1e_adapter *adapter) -{ - - WARN_ON(in_interrupt()); - while (test_and_set_bit(__AT_RESETTING, &adapter->flags)) - msleep(1); - atl1e_down(adapter); - atl1e_up(adapter); - clear_bit(__AT_RESETTING, &adapter->flags); -} - -static void atl1e_reset_task(struct work_struct *work) -{ - struct atl1e_adapter *adapter; - adapter = container_of(work, struct atl1e_adapter, reset_task); - - atl1e_reinit_locked(adapter); -} - -static int atl1e_check_link(struct atl1e_adapter *adapter) -{ - struct atl1e_hw *hw = &adapter->hw; - struct net_device *netdev = adapter->netdev; - int err = 0; - u16 speed, duplex, phy_data; - - /* MII_BMSR must read twice */ - atl1e_read_phy_reg(hw, MII_BMSR, &phy_data); - atl1e_read_phy_reg(hw, MII_BMSR, &phy_data); - if ((phy_data & BMSR_LSTATUS) == 0) { - /* link down */ - if (netif_carrier_ok(netdev)) { /* old link state: Up */ - u32 value; - /* disable rx */ - value = AT_READ_REG(hw, REG_MAC_CTRL); - value &= ~MAC_CTRL_RX_EN; - AT_WRITE_REG(hw, REG_MAC_CTRL, value); - adapter->link_speed = SPEED_0; - netif_carrier_off(netdev); - netif_stop_queue(netdev); - } - } else { - /* Link Up */ - err = atl1e_get_speed_and_duplex(hw, &speed, &duplex); - if (unlikely(err)) - return err; - - /* link result is our setting */ - if (adapter->link_speed != speed || - adapter->link_duplex != duplex) { - adapter->link_speed = speed; - adapter->link_duplex = duplex; - atl1e_setup_mac_ctrl(adapter); - netdev_info(netdev, - "NIC Link is Up <%d Mbps %s Duplex>\n", - adapter->link_speed, - adapter->link_duplex == FULL_DUPLEX ? - "Full" : "Half"); - } - - if (!netif_carrier_ok(netdev)) { - /* Link down -> Up */ - netif_carrier_on(netdev); - netif_wake_queue(netdev); - } - } - return 0; -} - -/* - * atl1e_link_chg_task - deal with link change event Out of interrupt context - * @netdev: network interface device structure - */ -static void atl1e_link_chg_task(struct work_struct *work) -{ - struct atl1e_adapter *adapter; - unsigned long flags; - - adapter = container_of(work, struct atl1e_adapter, link_chg_task); - spin_lock_irqsave(&adapter->mdio_lock, flags); - atl1e_check_link(adapter); - spin_unlock_irqrestore(&adapter->mdio_lock, flags); -} - -static void atl1e_link_chg_event(struct atl1e_adapter *adapter) -{ - struct net_device *netdev = adapter->netdev; - u16 phy_data = 0; - u16 link_up = 0; - - spin_lock(&adapter->mdio_lock); - atl1e_read_phy_reg(&adapter->hw, MII_BMSR, &phy_data); - atl1e_read_phy_reg(&adapter->hw, MII_BMSR, &phy_data); - spin_unlock(&adapter->mdio_lock); - link_up = phy_data & BMSR_LSTATUS; - /* notify upper layer link down ASAP */ - if (!link_up) { - if (netif_carrier_ok(netdev)) { - /* old link state: Up */ - netdev_info(netdev, "NIC Link is Down\n"); - adapter->link_speed = SPEED_0; - netif_stop_queue(netdev); - } - } - schedule_work(&adapter->link_chg_task); -} - -static void atl1e_del_timer(struct atl1e_adapter *adapter) -{ - del_timer_sync(&adapter->phy_config_timer); -} - -static void atl1e_cancel_work(struct atl1e_adapter *adapter) -{ - cancel_work_sync(&adapter->reset_task); - cancel_work_sync(&adapter->link_chg_task); -} - -/* - * atl1e_tx_timeout - Respond to a Tx Hang - * @netdev: network interface device structure - */ -static void atl1e_tx_timeout(struct net_device *netdev) -{ - struct atl1e_adapter *adapter = netdev_priv(netdev); - - /* Do the reset outside of interrupt context */ - schedule_work(&adapter->reset_task); -} - -/* - * atl1e_set_multi - Multicast and Promiscuous mode set - * @netdev: network interface device structure - * - * The set_multi entry point is called whenever the multicast address - * list or the network interface flags are updated. This routine is - * responsible for configuring the hardware for proper multicast, - * promiscuous mode, and all-multi behavior. - */ -static void atl1e_set_multi(struct net_device *netdev) -{ - struct atl1e_adapter *adapter = netdev_priv(netdev); - struct atl1e_hw *hw = &adapter->hw; - struct netdev_hw_addr *ha; - u32 mac_ctrl_data = 0; - u32 hash_value; - - /* Check for Promiscuous and All Multicast modes */ - mac_ctrl_data = AT_READ_REG(hw, REG_MAC_CTRL); - - if (netdev->flags & IFF_PROMISC) { - mac_ctrl_data |= MAC_CTRL_PROMIS_EN; - } else if (netdev->flags & IFF_ALLMULTI) { - mac_ctrl_data |= MAC_CTRL_MC_ALL_EN; - mac_ctrl_data &= ~MAC_CTRL_PROMIS_EN; - } else { - mac_ctrl_data &= ~(MAC_CTRL_PROMIS_EN | MAC_CTRL_MC_ALL_EN); - } - - AT_WRITE_REG(hw, REG_MAC_CTRL, mac_ctrl_data); - - /* clear the old settings from the multicast hash table */ - AT_WRITE_REG(hw, REG_RX_HASH_TABLE, 0); - AT_WRITE_REG_ARRAY(hw, REG_RX_HASH_TABLE, 1, 0); - - /* comoute mc addresses' hash value ,and put it into hash table */ - netdev_for_each_mc_addr(ha, netdev) { - hash_value = atl1e_hash_mc_addr(hw, ha->addr); - atl1e_hash_set(hw, hash_value); - } -} - -static void __atl1e_vlan_mode(u32 features, u32 *mac_ctrl_data) -{ - if (features & NETIF_F_HW_VLAN_RX) { - /* enable VLAN tag insert/strip */ - *mac_ctrl_data |= MAC_CTRL_RMV_VLAN; - } else { - /* disable VLAN tag insert/strip */ - *mac_ctrl_data &= ~MAC_CTRL_RMV_VLAN; - } -} - -static void atl1e_vlan_mode(struct net_device *netdev, u32 features) -{ - struct atl1e_adapter *adapter = netdev_priv(netdev); - u32 mac_ctrl_data = 0; - - netdev_dbg(adapter->netdev, "%s\n", __func__); - - atl1e_irq_disable(adapter); - mac_ctrl_data = AT_READ_REG(&adapter->hw, REG_MAC_CTRL); - __atl1e_vlan_mode(features, &mac_ctrl_data); - AT_WRITE_REG(&adapter->hw, REG_MAC_CTRL, mac_ctrl_data); - atl1e_irq_enable(adapter); -} - -static void atl1e_restore_vlan(struct atl1e_adapter *adapter) -{ - netdev_dbg(adapter->netdev, "%s\n", __func__); - atl1e_vlan_mode(adapter->netdev, adapter->netdev->features); -} - -/* - * atl1e_set_mac - Change the Ethernet Address of the NIC - * @netdev: network interface device structure - * @p: pointer to an address structure - * - * Returns 0 on success, negative on failure - */ -static int atl1e_set_mac_addr(struct net_device *netdev, void *p) -{ - struct atl1e_adapter *adapter = netdev_priv(netdev); - struct sockaddr *addr = p; - - if (!is_valid_ether_addr(addr->sa_data)) - return -EADDRNOTAVAIL; - - if (netif_running(netdev)) - return -EBUSY; - - memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); - memcpy(adapter->hw.mac_addr, addr->sa_data, netdev->addr_len); - - atl1e_hw_set_mac_addr(&adapter->hw); - - return 0; -} - -static u32 atl1e_fix_features(struct net_device *netdev, u32 features) -{ - /* - * Since there is no support for separate rx/tx vlan accel - * enable/disable make sure tx flag is always in same state as rx. - */ - if (features & NETIF_F_HW_VLAN_RX) - features |= NETIF_F_HW_VLAN_TX; - else - features &= ~NETIF_F_HW_VLAN_TX; - - return features; -} - -static int atl1e_set_features(struct net_device *netdev, u32 features) -{ - u32 changed = netdev->features ^ features; - - if (changed & NETIF_F_HW_VLAN_RX) - atl1e_vlan_mode(netdev, features); - - return 0; -} - -/* - * atl1e_change_mtu - Change the Maximum Transfer Unit - * @netdev: network interface device structure - * @new_mtu: new value for maximum frame size - * - * Returns 0 on success, negative on failure - */ -static int atl1e_change_mtu(struct net_device *netdev, int new_mtu) -{ - struct atl1e_adapter *adapter = netdev_priv(netdev); - int old_mtu = netdev->mtu; - int max_frame = new_mtu + ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN; - - if ((max_frame < ETH_ZLEN + ETH_FCS_LEN) || - (max_frame > MAX_JUMBO_FRAME_SIZE)) { - netdev_warn(adapter->netdev, "invalid MTU setting\n"); - return -EINVAL; - } - /* set MTU */ - if (old_mtu != new_mtu && netif_running(netdev)) { - while (test_and_set_bit(__AT_RESETTING, &adapter->flags)) - msleep(1); - netdev->mtu = new_mtu; - adapter->hw.max_frame_size = new_mtu; - adapter->hw.rx_jumbo_th = (max_frame + 7) >> 3; - atl1e_down(adapter); - atl1e_up(adapter); - clear_bit(__AT_RESETTING, &adapter->flags); - } - return 0; -} - -/* - * caller should hold mdio_lock - */ -static int atl1e_mdio_read(struct net_device *netdev, int phy_id, int reg_num) -{ - struct atl1e_adapter *adapter = netdev_priv(netdev); - u16 result; - - atl1e_read_phy_reg(&adapter->hw, reg_num & MDIO_REG_ADDR_MASK, &result); - return result; -} - -static void atl1e_mdio_write(struct net_device *netdev, int phy_id, - int reg_num, int val) -{ - struct atl1e_adapter *adapter = netdev_priv(netdev); - - atl1e_write_phy_reg(&adapter->hw, reg_num & MDIO_REG_ADDR_MASK, val); -} - -/* - * atl1e_mii_ioctl - - * @netdev: - * @ifreq: - * @cmd: - */ -static int atl1e_mii_ioctl(struct net_device *netdev, - struct ifreq *ifr, int cmd) -{ - struct atl1e_adapter *adapter = netdev_priv(netdev); - struct mii_ioctl_data *data = if_mii(ifr); - unsigned long flags; - int retval = 0; - - if (!netif_running(netdev)) - return -EINVAL; - - spin_lock_irqsave(&adapter->mdio_lock, flags); - switch (cmd) { - case SIOCGMIIPHY: - data->phy_id = 0; - break; - - case SIOCGMIIREG: - if (atl1e_read_phy_reg(&adapter->hw, data->reg_num & 0x1F, - &data->val_out)) { - retval = -EIO; - goto out; - } - break; - - case SIOCSMIIREG: - if (data->reg_num & ~(0x1F)) { - retval = -EFAULT; - goto out; - } - - netdev_dbg(adapter->netdev, " write %x %x\n", - data->reg_num, data->val_in); - if (atl1e_write_phy_reg(&adapter->hw, - data->reg_num, data->val_in)) { - retval = -EIO; - goto out; - } - break; - - default: - retval = -EOPNOTSUPP; - break; - } -out: - spin_unlock_irqrestore(&adapter->mdio_lock, flags); - return retval; - -} - -/* - * atl1e_ioctl - - * @netdev: - * @ifreq: - * @cmd: - */ -static int atl1e_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) -{ - switch (cmd) { - case SIOCGMIIPHY: - case SIOCGMIIREG: - case SIOCSMIIREG: - return atl1e_mii_ioctl(netdev, ifr, cmd); - default: - return -EOPNOTSUPP; - } -} - -static void atl1e_setup_pcicmd(struct pci_dev *pdev) -{ - u16 cmd; - - pci_read_config_word(pdev, PCI_COMMAND, &cmd); - cmd &= ~(PCI_COMMAND_INTX_DISABLE | PCI_COMMAND_IO); - cmd |= (PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER); - pci_write_config_word(pdev, PCI_COMMAND, cmd); - - /* - * some motherboards BIOS(PXE/EFI) driver may set PME - * while they transfer control to OS (Windows/Linux) - * so we should clear this bit before NIC work normally - */ - pci_write_config_dword(pdev, REG_PM_CTRLSTAT, 0); - msleep(1); -} - -/* - * atl1e_alloc_queues - Allocate memory for all rings - * @adapter: board private structure to initialize - * - */ -static int __devinit atl1e_alloc_queues(struct atl1e_adapter *adapter) -{ - return 0; -} - -/* - * atl1e_sw_init - Initialize general software structures (struct atl1e_adapter) - * @adapter: board private structure to initialize - * - * atl1e_sw_init initializes the Adapter private data structure. - * Fields are initialized based on PCI device information and - * OS network device settings (MTU size). - */ -static int __devinit atl1e_sw_init(struct atl1e_adapter *adapter) -{ - struct atl1e_hw *hw = &adapter->hw; - struct pci_dev *pdev = adapter->pdev; - u32 phy_status_data = 0; - - adapter->wol = 0; - adapter->link_speed = SPEED_0; /* hardware init */ - adapter->link_duplex = FULL_DUPLEX; - adapter->num_rx_queues = 1; - - /* PCI config space info */ - hw->vendor_id = pdev->vendor; - hw->device_id = pdev->device; - hw->subsystem_vendor_id = pdev->subsystem_vendor; - hw->subsystem_id = pdev->subsystem_device; - hw->revision_id = pdev->revision; - - pci_read_config_word(pdev, PCI_COMMAND, &hw->pci_cmd_word); - - phy_status_data = AT_READ_REG(hw, REG_PHY_STATUS); - /* nic type */ - if (hw->revision_id >= 0xF0) { - hw->nic_type = athr_l2e_revB; - } else { - if (phy_status_data & PHY_STATUS_100M) - hw->nic_type = athr_l1e; - else - hw->nic_type = athr_l2e_revA; - } - - phy_status_data = AT_READ_REG(hw, REG_PHY_STATUS); - - if (phy_status_data & PHY_STATUS_EMI_CA) - hw->emi_ca = true; - else - hw->emi_ca = false; - - hw->phy_configured = false; - hw->preamble_len = 7; - hw->max_frame_size = adapter->netdev->mtu; - hw->rx_jumbo_th = (hw->max_frame_size + ETH_HLEN + - VLAN_HLEN + ETH_FCS_LEN + 7) >> 3; - - hw->rrs_type = atl1e_rrs_disable; - hw->indirect_tab = 0; - hw->base_cpu = 0; - - /* need confirm */ - - hw->ict = 50000; /* 100ms */ - hw->smb_timer = 200000; /* 200ms */ - hw->tpd_burst = 5; - hw->rrd_thresh = 1; - hw->tpd_thresh = adapter->tx_ring.count / 2; - hw->rx_count_down = 4; /* 2us resolution */ - hw->tx_count_down = hw->imt * 4 / 3; - hw->dmar_block = atl1e_dma_req_1024; - hw->dmaw_block = atl1e_dma_req_1024; - hw->dmar_dly_cnt = 15; - hw->dmaw_dly_cnt = 4; - - if (atl1e_alloc_queues(adapter)) { - netdev_err(adapter->netdev, "Unable to allocate memory for queues\n"); - return -ENOMEM; - } - - atomic_set(&adapter->irq_sem, 1); - spin_lock_init(&adapter->mdio_lock); - spin_lock_init(&adapter->tx_lock); - - set_bit(__AT_DOWN, &adapter->flags); - - return 0; -} - -/* - * atl1e_clean_tx_ring - Free Tx-skb - * @adapter: board private structure - */ -static void atl1e_clean_tx_ring(struct atl1e_adapter *adapter) -{ - struct atl1e_tx_ring *tx_ring = (struct atl1e_tx_ring *) - &adapter->tx_ring; - struct atl1e_tx_buffer *tx_buffer = NULL; - struct pci_dev *pdev = adapter->pdev; - u16 index, ring_count; - - if (tx_ring->desc == NULL || tx_ring->tx_buffer == NULL) - return; - - ring_count = tx_ring->count; - /* first unmmap dma */ - for (index = 0; index < ring_count; index++) { - tx_buffer = &tx_ring->tx_buffer[index]; - if (tx_buffer->dma) { - if (tx_buffer->flags & ATL1E_TX_PCIMAP_SINGLE) - pci_unmap_single(pdev, tx_buffer->dma, - tx_buffer->length, PCI_DMA_TODEVICE); - else if (tx_buffer->flags & ATL1E_TX_PCIMAP_PAGE) - pci_unmap_page(pdev, tx_buffer->dma, - tx_buffer->length, PCI_DMA_TODEVICE); - tx_buffer->dma = 0; - } - } - /* second free skb */ - for (index = 0; index < ring_count; index++) { - tx_buffer = &tx_ring->tx_buffer[index]; - if (tx_buffer->skb) { - dev_kfree_skb_any(tx_buffer->skb); - tx_buffer->skb = NULL; - } - } - /* Zero out Tx-buffers */ - memset(tx_ring->desc, 0, sizeof(struct atl1e_tpd_desc) * - ring_count); - memset(tx_ring->tx_buffer, 0, sizeof(struct atl1e_tx_buffer) * - ring_count); -} - -/* - * atl1e_clean_rx_ring - Free rx-reservation skbs - * @adapter: board private structure - */ -static void atl1e_clean_rx_ring(struct atl1e_adapter *adapter) -{ - struct atl1e_rx_ring *rx_ring = - (struct atl1e_rx_ring *)&adapter->rx_ring; - struct atl1e_rx_page_desc *rx_page_desc = rx_ring->rx_page_desc; - u16 i, j; - - - if (adapter->ring_vir_addr == NULL) - return; - /* Zero out the descriptor ring */ - for (i = 0; i < adapter->num_rx_queues; i++) { - for (j = 0; j < AT_PAGE_NUM_PER_QUEUE; j++) { - if (rx_page_desc[i].rx_page[j].addr != NULL) { - memset(rx_page_desc[i].rx_page[j].addr, 0, - rx_ring->real_page_size); - } - } - } -} - -static void atl1e_cal_ring_size(struct atl1e_adapter *adapter, u32 *ring_size) -{ - *ring_size = ((u32)(adapter->tx_ring.count * - sizeof(struct atl1e_tpd_desc) + 7 - /* tx ring, qword align */ - + adapter->rx_ring.real_page_size * AT_PAGE_NUM_PER_QUEUE * - adapter->num_rx_queues + 31 - /* rx ring, 32 bytes align */ - + (1 + AT_PAGE_NUM_PER_QUEUE * adapter->num_rx_queues) * - sizeof(u32) + 3)); - /* tx, rx cmd, dword align */ -} - -static void atl1e_init_ring_resources(struct atl1e_adapter *adapter) -{ - struct atl1e_rx_ring *rx_ring = NULL; - - rx_ring = &adapter->rx_ring; - - rx_ring->real_page_size = adapter->rx_ring.page_size - + adapter->hw.max_frame_size - + ETH_HLEN + VLAN_HLEN - + ETH_FCS_LEN; - rx_ring->real_page_size = roundup(rx_ring->real_page_size, 32); - atl1e_cal_ring_size(adapter, &adapter->ring_size); - - adapter->ring_vir_addr = NULL; - adapter->rx_ring.desc = NULL; - rwlock_init(&adapter->tx_ring.tx_lock); -} - -/* - * Read / Write Ptr Initialize: - */ -static void atl1e_init_ring_ptrs(struct atl1e_adapter *adapter) -{ - struct atl1e_tx_ring *tx_ring = NULL; - struct atl1e_rx_ring *rx_ring = NULL; - struct atl1e_rx_page_desc *rx_page_desc = NULL; - int i, j; - - tx_ring = &adapter->tx_ring; - rx_ring = &adapter->rx_ring; - rx_page_desc = rx_ring->rx_page_desc; - - tx_ring->next_to_use = 0; - atomic_set(&tx_ring->next_to_clean, 0); - - for (i = 0; i < adapter->num_rx_queues; i++) { - rx_page_desc[i].rx_using = 0; - rx_page_desc[i].rx_nxseq = 0; - for (j = 0; j < AT_PAGE_NUM_PER_QUEUE; j++) { - *rx_page_desc[i].rx_page[j].write_offset_addr = 0; - rx_page_desc[i].rx_page[j].read_offset = 0; - } - } -} - -/* - * atl1e_free_ring_resources - Free Tx / RX descriptor Resources - * @adapter: board private structure - * - * Free all transmit software resources - */ -static void atl1e_free_ring_resources(struct atl1e_adapter *adapter) -{ - struct pci_dev *pdev = adapter->pdev; - - atl1e_clean_tx_ring(adapter); - atl1e_clean_rx_ring(adapter); - - if (adapter->ring_vir_addr) { - pci_free_consistent(pdev, adapter->ring_size, - adapter->ring_vir_addr, adapter->ring_dma); - adapter->ring_vir_addr = NULL; - } - - if (adapter->tx_ring.tx_buffer) { - kfree(adapter->tx_ring.tx_buffer); - adapter->tx_ring.tx_buffer = NULL; - } -} - -/* - * atl1e_setup_mem_resources - allocate Tx / RX descriptor resources - * @adapter: board private structure - * - * Return 0 on success, negative on failure - */ -static int atl1e_setup_ring_resources(struct atl1e_adapter *adapter) -{ - struct pci_dev *pdev = adapter->pdev; - struct atl1e_tx_ring *tx_ring; - struct atl1e_rx_ring *rx_ring; - struct atl1e_rx_page_desc *rx_page_desc; - int size, i, j; - u32 offset = 0; - int err = 0; - - if (adapter->ring_vir_addr != NULL) - return 0; /* alloced already */ - - tx_ring = &adapter->tx_ring; - rx_ring = &adapter->rx_ring; - - /* real ring DMA buffer */ - - size = adapter->ring_size; - adapter->ring_vir_addr = pci_alloc_consistent(pdev, - adapter->ring_size, &adapter->ring_dma); - - if (adapter->ring_vir_addr == NULL) { - netdev_err(adapter->netdev, - "pci_alloc_consistent failed, size = D%d\n", size); - return -ENOMEM; - } - - memset(adapter->ring_vir_addr, 0, adapter->ring_size); - - rx_page_desc = rx_ring->rx_page_desc; - - /* Init TPD Ring */ - tx_ring->dma = roundup(adapter->ring_dma, 8); - offset = tx_ring->dma - adapter->ring_dma; - tx_ring->desc = adapter->ring_vir_addr + offset; - size = sizeof(struct atl1e_tx_buffer) * (tx_ring->count); - tx_ring->tx_buffer = kzalloc(size, GFP_KERNEL); - if (tx_ring->tx_buffer == NULL) { - netdev_err(adapter->netdev, "kzalloc failed, size = D%d\n", - size); - err = -ENOMEM; - goto failed; - } - - /* Init RXF-Pages */ - offset += (sizeof(struct atl1e_tpd_desc) * tx_ring->count); - offset = roundup(offset, 32); - - for (i = 0; i < adapter->num_rx_queues; i++) { - for (j = 0; j < AT_PAGE_NUM_PER_QUEUE; j++) { - rx_page_desc[i].rx_page[j].dma = - adapter->ring_dma + offset; - rx_page_desc[i].rx_page[j].addr = - adapter->ring_vir_addr + offset; - offset += rx_ring->real_page_size; - } - } - - /* Init CMB dma address */ - tx_ring->cmb_dma = adapter->ring_dma + offset; - tx_ring->cmb = adapter->ring_vir_addr + offset; - offset += sizeof(u32); - - for (i = 0; i < adapter->num_rx_queues; i++) { - for (j = 0; j < AT_PAGE_NUM_PER_QUEUE; j++) { - rx_page_desc[i].rx_page[j].write_offset_dma = - adapter->ring_dma + offset; - rx_page_desc[i].rx_page[j].write_offset_addr = - adapter->ring_vir_addr + offset; - offset += sizeof(u32); - } - } - - if (unlikely(offset > adapter->ring_size)) { - netdev_err(adapter->netdev, "offset(%d) > ring size(%d) !!\n", - offset, adapter->ring_size); - err = -1; - goto failed; - } - - return 0; -failed: - if (adapter->ring_vir_addr != NULL) { - pci_free_consistent(pdev, adapter->ring_size, - adapter->ring_vir_addr, adapter->ring_dma); - adapter->ring_vir_addr = NULL; - } - return err; -} - -static inline void atl1e_configure_des_ring(const struct atl1e_adapter *adapter) -{ - - struct atl1e_hw *hw = (struct atl1e_hw *)&adapter->hw; - struct atl1e_rx_ring *rx_ring = - (struct atl1e_rx_ring *)&adapter->rx_ring; - struct atl1e_tx_ring *tx_ring = - (struct atl1e_tx_ring *)&adapter->tx_ring; - struct atl1e_rx_page_desc *rx_page_desc = NULL; - int i, j; - - AT_WRITE_REG(hw, REG_DESC_BASE_ADDR_HI, - (u32)((adapter->ring_dma & AT_DMA_HI_ADDR_MASK) >> 32)); - AT_WRITE_REG(hw, REG_TPD_BASE_ADDR_LO, - (u32)((tx_ring->dma) & AT_DMA_LO_ADDR_MASK)); - AT_WRITE_REG(hw, REG_TPD_RING_SIZE, (u16)(tx_ring->count)); - AT_WRITE_REG(hw, REG_HOST_TX_CMB_LO, - (u32)((tx_ring->cmb_dma) & AT_DMA_LO_ADDR_MASK)); - - rx_page_desc = rx_ring->rx_page_desc; - /* RXF Page Physical address / Page Length */ - for (i = 0; i < AT_MAX_RECEIVE_QUEUE; i++) { - AT_WRITE_REG(hw, atl1e_rx_page_hi_addr_regs[i], - (u32)((adapter->ring_dma & - AT_DMA_HI_ADDR_MASK) >> 32)); - for (j = 0; j < AT_PAGE_NUM_PER_QUEUE; j++) { - u32 page_phy_addr; - u32 offset_phy_addr; - - page_phy_addr = rx_page_desc[i].rx_page[j].dma; - offset_phy_addr = - rx_page_desc[i].rx_page[j].write_offset_dma; - - AT_WRITE_REG(hw, atl1e_rx_page_lo_addr_regs[i][j], - page_phy_addr & AT_DMA_LO_ADDR_MASK); - AT_WRITE_REG(hw, atl1e_rx_page_write_offset_regs[i][j], - offset_phy_addr & AT_DMA_LO_ADDR_MASK); - AT_WRITE_REGB(hw, atl1e_rx_page_vld_regs[i][j], 1); - } - } - /* Page Length */ - AT_WRITE_REG(hw, REG_HOST_RXFPAGE_SIZE, rx_ring->page_size); - /* Load all of base address above */ - AT_WRITE_REG(hw, REG_LOAD_PTR, 1); -} - -static inline void atl1e_configure_tx(struct atl1e_adapter *adapter) -{ - struct atl1e_hw *hw = (struct atl1e_hw *)&adapter->hw; - u32 dev_ctrl_data = 0; - u32 max_pay_load = 0; - u32 jumbo_thresh = 0; - u32 extra_size = 0; /* Jumbo frame threshold in QWORD unit */ - - /* configure TXQ param */ - if (hw->nic_type != athr_l2e_revB) { - extra_size = ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN; - if (hw->max_frame_size <= 1500) { - jumbo_thresh = hw->max_frame_size + extra_size; - } else if (hw->max_frame_size < 6*1024) { - jumbo_thresh = - (hw->max_frame_size + extra_size) * 2 / 3; - } else { - jumbo_thresh = (hw->max_frame_size + extra_size) / 2; - } - AT_WRITE_REG(hw, REG_TX_EARLY_TH, (jumbo_thresh + 7) >> 3); - } - - dev_ctrl_data = AT_READ_REG(hw, REG_DEVICE_CTRL); - - max_pay_load = ((dev_ctrl_data >> DEVICE_CTRL_MAX_PAYLOAD_SHIFT)) & - DEVICE_CTRL_MAX_PAYLOAD_MASK; - - hw->dmaw_block = min_t(u32, max_pay_load, hw->dmaw_block); - - max_pay_load = ((dev_ctrl_data >> DEVICE_CTRL_MAX_RREQ_SZ_SHIFT)) & - DEVICE_CTRL_MAX_RREQ_SZ_MASK; - hw->dmar_block = min_t(u32, max_pay_load, hw->dmar_block); - - if (hw->nic_type != athr_l2e_revB) - AT_WRITE_REGW(hw, REG_TXQ_CTRL + 2, - atl1e_pay_load_size[hw->dmar_block]); - /* enable TXQ */ - AT_WRITE_REGW(hw, REG_TXQ_CTRL, - (((u16)hw->tpd_burst & TXQ_CTRL_NUM_TPD_BURST_MASK) - << TXQ_CTRL_NUM_TPD_BURST_SHIFT) - | TXQ_CTRL_ENH_MODE | TXQ_CTRL_EN); -} - -static inline void atl1e_configure_rx(struct atl1e_adapter *adapter) -{ - struct atl1e_hw *hw = (struct atl1e_hw *)&adapter->hw; - u32 rxf_len = 0; - u32 rxf_low = 0; - u32 rxf_high = 0; - u32 rxf_thresh_data = 0; - u32 rxq_ctrl_data = 0; - - if (hw->nic_type != athr_l2e_revB) { - AT_WRITE_REGW(hw, REG_RXQ_JMBOSZ_RRDTIM, - (u16)((hw->rx_jumbo_th & RXQ_JMBOSZ_TH_MASK) << - RXQ_JMBOSZ_TH_SHIFT | - (1 & RXQ_JMBO_LKAH_MASK) << - RXQ_JMBO_LKAH_SHIFT)); - - rxf_len = AT_READ_REG(hw, REG_SRAM_RXF_LEN); - rxf_high = rxf_len * 4 / 5; - rxf_low = rxf_len / 5; - rxf_thresh_data = ((rxf_high & RXQ_RXF_PAUSE_TH_HI_MASK) - << RXQ_RXF_PAUSE_TH_HI_SHIFT) | - ((rxf_low & RXQ_RXF_PAUSE_TH_LO_MASK) - << RXQ_RXF_PAUSE_TH_LO_SHIFT); - - AT_WRITE_REG(hw, REG_RXQ_RXF_PAUSE_THRESH, rxf_thresh_data); - } - - /* RRS */ - AT_WRITE_REG(hw, REG_IDT_TABLE, hw->indirect_tab); - AT_WRITE_REG(hw, REG_BASE_CPU_NUMBER, hw->base_cpu); - - if (hw->rrs_type & atl1e_rrs_ipv4) - rxq_ctrl_data |= RXQ_CTRL_HASH_TYPE_IPV4; - - if (hw->rrs_type & atl1e_rrs_ipv4_tcp) - rxq_ctrl_data |= RXQ_CTRL_HASH_TYPE_IPV4_TCP; - - if (hw->rrs_type & atl1e_rrs_ipv6) - rxq_ctrl_data |= RXQ_CTRL_HASH_TYPE_IPV6; - - if (hw->rrs_type & atl1e_rrs_ipv6_tcp) - rxq_ctrl_data |= RXQ_CTRL_HASH_TYPE_IPV6_TCP; - - if (hw->rrs_type != atl1e_rrs_disable) - rxq_ctrl_data |= - (RXQ_CTRL_HASH_ENABLE | RXQ_CTRL_RSS_MODE_MQUESINT); - - rxq_ctrl_data |= RXQ_CTRL_IPV6_XSUM_VERIFY_EN | RXQ_CTRL_PBA_ALIGN_32 | - RXQ_CTRL_CUT_THRU_EN | RXQ_CTRL_EN; - - AT_WRITE_REG(hw, REG_RXQ_CTRL, rxq_ctrl_data); -} - -static inline void atl1e_configure_dma(struct atl1e_adapter *adapter) -{ - struct atl1e_hw *hw = &adapter->hw; - u32 dma_ctrl_data = 0; - - dma_ctrl_data = DMA_CTRL_RXCMB_EN; - dma_ctrl_data |= (((u32)hw->dmar_block) & DMA_CTRL_DMAR_BURST_LEN_MASK) - << DMA_CTRL_DMAR_BURST_LEN_SHIFT; - dma_ctrl_data |= (((u32)hw->dmaw_block) & DMA_CTRL_DMAW_BURST_LEN_MASK) - << DMA_CTRL_DMAW_BURST_LEN_SHIFT; - dma_ctrl_data |= DMA_CTRL_DMAR_REQ_PRI | DMA_CTRL_DMAR_OUT_ORDER; - dma_ctrl_data |= (((u32)hw->dmar_dly_cnt) & DMA_CTRL_DMAR_DLY_CNT_MASK) - << DMA_CTRL_DMAR_DLY_CNT_SHIFT; - dma_ctrl_data |= (((u32)hw->dmaw_dly_cnt) & DMA_CTRL_DMAW_DLY_CNT_MASK) - << DMA_CTRL_DMAW_DLY_CNT_SHIFT; - - AT_WRITE_REG(hw, REG_DMA_CTRL, dma_ctrl_data); -} - -static void atl1e_setup_mac_ctrl(struct atl1e_adapter *adapter) -{ - u32 value; - struct atl1e_hw *hw = &adapter->hw; - struct net_device *netdev = adapter->netdev; - - /* Config MAC CTRL Register */ - value = MAC_CTRL_TX_EN | - MAC_CTRL_RX_EN ; - - if (FULL_DUPLEX == adapter->link_duplex) - value |= MAC_CTRL_DUPLX; - - value |= ((u32)((SPEED_1000 == adapter->link_speed) ? - MAC_CTRL_SPEED_1000 : MAC_CTRL_SPEED_10_100) << - MAC_CTRL_SPEED_SHIFT); - value |= (MAC_CTRL_TX_FLOW | MAC_CTRL_RX_FLOW); - - value |= (MAC_CTRL_ADD_CRC | MAC_CTRL_PAD); - value |= (((u32)adapter->hw.preamble_len & - MAC_CTRL_PRMLEN_MASK) << MAC_CTRL_PRMLEN_SHIFT); - - __atl1e_vlan_mode(netdev->features, &value); - - value |= MAC_CTRL_BC_EN; - if (netdev->flags & IFF_PROMISC) - value |= MAC_CTRL_PROMIS_EN; - if (netdev->flags & IFF_ALLMULTI) - value |= MAC_CTRL_MC_ALL_EN; - - AT_WRITE_REG(hw, REG_MAC_CTRL, value); -} - -/* - * atl1e_configure - Configure Transmit&Receive Unit after Reset - * @adapter: board private structure - * - * Configure the Tx /Rx unit of the MAC after a reset. - */ -static int atl1e_configure(struct atl1e_adapter *adapter) -{ - struct atl1e_hw *hw = &adapter->hw; - - u32 intr_status_data = 0; - - /* clear interrupt status */ - AT_WRITE_REG(hw, REG_ISR, ~0); - - /* 1. set MAC Address */ - atl1e_hw_set_mac_addr(hw); - - /* 2. Init the Multicast HASH table done by set_muti */ - - /* 3. Clear any WOL status */ - AT_WRITE_REG(hw, REG_WOL_CTRL, 0); - - /* 4. Descripter Ring BaseMem/Length/Read ptr/Write ptr - * TPD Ring/SMB/RXF0 Page CMBs, they use the same - * High 32bits memory */ - atl1e_configure_des_ring(adapter); - - /* 5. set Interrupt Moderator Timer */ - AT_WRITE_REGW(hw, REG_IRQ_MODU_TIMER_INIT, hw->imt); - AT_WRITE_REGW(hw, REG_IRQ_MODU_TIMER2_INIT, hw->imt); - AT_WRITE_REG(hw, REG_MASTER_CTRL, MASTER_CTRL_LED_MODE | - MASTER_CTRL_ITIMER_EN | MASTER_CTRL_ITIMER2_EN); - - /* 6. rx/tx threshold to trig interrupt */ - AT_WRITE_REGW(hw, REG_TRIG_RRD_THRESH, hw->rrd_thresh); - AT_WRITE_REGW(hw, REG_TRIG_TPD_THRESH, hw->tpd_thresh); - AT_WRITE_REGW(hw, REG_TRIG_RXTIMER, hw->rx_count_down); - AT_WRITE_REGW(hw, REG_TRIG_TXTIMER, hw->tx_count_down); - - /* 7. set Interrupt Clear Timer */ - AT_WRITE_REGW(hw, REG_CMBDISDMA_TIMER, hw->ict); - - /* 8. set MTU */ - AT_WRITE_REG(hw, REG_MTU, hw->max_frame_size + ETH_HLEN + - VLAN_HLEN + ETH_FCS_LEN); - - /* 9. config TXQ early tx threshold */ - atl1e_configure_tx(adapter); - - /* 10. config RXQ */ - atl1e_configure_rx(adapter); - - /* 11. config DMA Engine */ - atl1e_configure_dma(adapter); - - /* 12. smb timer to trig interrupt */ - AT_WRITE_REG(hw, REG_SMB_STAT_TIMER, hw->smb_timer); - - intr_status_data = AT_READ_REG(hw, REG_ISR); - if (unlikely((intr_status_data & ISR_PHY_LINKDOWN) != 0)) { - netdev_err(adapter->netdev, - "atl1e_configure failed, PCIE phy link down\n"); - return -1; - } - - AT_WRITE_REG(hw, REG_ISR, 0x7fffffff); - return 0; -} - -/* - * atl1e_get_stats - Get System Network Statistics - * @netdev: network interface device structure - * - * Returns the address of the device statistics structure. - * The statistics are actually updated from the timer callback. - */ -static struct net_device_stats *atl1e_get_stats(struct net_device *netdev) -{ - struct atl1e_adapter *adapter = netdev_priv(netdev); - struct atl1e_hw_stats *hw_stats = &adapter->hw_stats; - struct net_device_stats *net_stats = &netdev->stats; - - net_stats->rx_packets = hw_stats->rx_ok; - net_stats->tx_packets = hw_stats->tx_ok; - net_stats->rx_bytes = hw_stats->rx_byte_cnt; - net_stats->tx_bytes = hw_stats->tx_byte_cnt; - net_stats->multicast = hw_stats->rx_mcast; - net_stats->collisions = hw_stats->tx_1_col + - hw_stats->tx_2_col * 2 + - hw_stats->tx_late_col + hw_stats->tx_abort_col; - - net_stats->rx_errors = hw_stats->rx_frag + hw_stats->rx_fcs_err + - hw_stats->rx_len_err + hw_stats->rx_sz_ov + - hw_stats->rx_rrd_ov + hw_stats->rx_align_err; - net_stats->rx_fifo_errors = hw_stats->rx_rxf_ov; - net_stats->rx_length_errors = hw_stats->rx_len_err; - net_stats->rx_crc_errors = hw_stats->rx_fcs_err; - net_stats->rx_frame_errors = hw_stats->rx_align_err; - net_stats->rx_over_errors = hw_stats->rx_rrd_ov + hw_stats->rx_rxf_ov; - - net_stats->rx_missed_errors = hw_stats->rx_rrd_ov + hw_stats->rx_rxf_ov; - - net_stats->tx_errors = hw_stats->tx_late_col + hw_stats->tx_abort_col + - hw_stats->tx_underrun + hw_stats->tx_trunc; - net_stats->tx_fifo_errors = hw_stats->tx_underrun; - net_stats->tx_aborted_errors = hw_stats->tx_abort_col; - net_stats->tx_window_errors = hw_stats->tx_late_col; - - return net_stats; -} - -static void atl1e_update_hw_stats(struct atl1e_adapter *adapter) -{ - u16 hw_reg_addr = 0; - unsigned long *stats_item = NULL; - - /* update rx status */ - hw_reg_addr = REG_MAC_RX_STATUS_BIN; - stats_item = &adapter->hw_stats.rx_ok; - while (hw_reg_addr <= REG_MAC_RX_STATUS_END) { - *stats_item += AT_READ_REG(&adapter->hw, hw_reg_addr); - stats_item++; - hw_reg_addr += 4; - } - /* update tx status */ - hw_reg_addr = REG_MAC_TX_STATUS_BIN; - stats_item = &adapter->hw_stats.tx_ok; - while (hw_reg_addr <= REG_MAC_TX_STATUS_END) { - *stats_item += AT_READ_REG(&adapter->hw, hw_reg_addr); - stats_item++; - hw_reg_addr += 4; - } -} - -static inline void atl1e_clear_phy_int(struct atl1e_adapter *adapter) -{ - u16 phy_data; - - spin_lock(&adapter->mdio_lock); - atl1e_read_phy_reg(&adapter->hw, MII_INT_STATUS, &phy_data); - spin_unlock(&adapter->mdio_lock); -} - -static bool atl1e_clean_tx_irq(struct atl1e_adapter *adapter) -{ - struct atl1e_tx_ring *tx_ring = (struct atl1e_tx_ring *) - &adapter->tx_ring; - struct atl1e_tx_buffer *tx_buffer = NULL; - u16 hw_next_to_clean = AT_READ_REGW(&adapter->hw, REG_TPD_CONS_IDX); - u16 next_to_clean = atomic_read(&tx_ring->next_to_clean); - - while (next_to_clean != hw_next_to_clean) { - tx_buffer = &tx_ring->tx_buffer[next_to_clean]; - if (tx_buffer->dma) { - if (tx_buffer->flags & ATL1E_TX_PCIMAP_SINGLE) - pci_unmap_single(adapter->pdev, tx_buffer->dma, - tx_buffer->length, PCI_DMA_TODEVICE); - else if (tx_buffer->flags & ATL1E_TX_PCIMAP_PAGE) - pci_unmap_page(adapter->pdev, tx_buffer->dma, - tx_buffer->length, PCI_DMA_TODEVICE); - tx_buffer->dma = 0; - } - - if (tx_buffer->skb) { - dev_kfree_skb_irq(tx_buffer->skb); - tx_buffer->skb = NULL; - } - - if (++next_to_clean == tx_ring->count) - next_to_clean = 0; - } - - atomic_set(&tx_ring->next_to_clean, next_to_clean); - - if (netif_queue_stopped(adapter->netdev) && - netif_carrier_ok(adapter->netdev)) { - netif_wake_queue(adapter->netdev); - } - - return true; -} - -/* - * atl1e_intr - Interrupt Handler - * @irq: interrupt number - * @data: pointer to a network interface device structure - * @pt_regs: CPU registers structure - */ -static irqreturn_t atl1e_intr(int irq, void *data) -{ - struct net_device *netdev = data; - struct atl1e_adapter *adapter = netdev_priv(netdev); - struct atl1e_hw *hw = &adapter->hw; - int max_ints = AT_MAX_INT_WORK; - int handled = IRQ_NONE; - u32 status; - - do { - status = AT_READ_REG(hw, REG_ISR); - if ((status & IMR_NORMAL_MASK) == 0 || - (status & ISR_DIS_INT) != 0) { - if (max_ints != AT_MAX_INT_WORK) - handled = IRQ_HANDLED; - break; - } - /* link event */ - if (status & ISR_GPHY) - atl1e_clear_phy_int(adapter); - /* Ack ISR */ - AT_WRITE_REG(hw, REG_ISR, status | ISR_DIS_INT); - - handled = IRQ_HANDLED; - /* check if PCIE PHY Link down */ - if (status & ISR_PHY_LINKDOWN) { - netdev_err(adapter->netdev, - "pcie phy linkdown %x\n", status); - if (netif_running(adapter->netdev)) { - /* reset MAC */ - atl1e_irq_reset(adapter); - schedule_work(&adapter->reset_task); - break; - } - } - - /* check if DMA read/write error */ - if (status & (ISR_DMAR_TO_RST | ISR_DMAW_TO_RST)) { - netdev_err(adapter->netdev, - "PCIE DMA RW error (status = 0x%x)\n", - status); - atl1e_irq_reset(adapter); - schedule_work(&adapter->reset_task); - break; - } - - if (status & ISR_SMB) - atl1e_update_hw_stats(adapter); - - /* link event */ - if (status & (ISR_GPHY | ISR_MANUAL)) { - netdev->stats.tx_carrier_errors++; - atl1e_link_chg_event(adapter); - break; - } - - /* transmit event */ - if (status & ISR_TX_EVENT) - atl1e_clean_tx_irq(adapter); - - if (status & ISR_RX_EVENT) { - /* - * disable rx interrupts, without - * the synchronize_irq bit - */ - AT_WRITE_REG(hw, REG_IMR, - IMR_NORMAL_MASK & ~ISR_RX_EVENT); - AT_WRITE_FLUSH(hw); - if (likely(napi_schedule_prep( - &adapter->napi))) - __napi_schedule(&adapter->napi); - } - } while (--max_ints > 0); - /* re-enable Interrupt*/ - AT_WRITE_REG(&adapter->hw, REG_ISR, 0); - - return handled; -} - -static inline void atl1e_rx_checksum(struct atl1e_adapter *adapter, - struct sk_buff *skb, struct atl1e_recv_ret_status *prrs) -{ - u8 *packet = (u8 *)(prrs + 1); - struct iphdr *iph; - u16 head_len = ETH_HLEN; - u16 pkt_flags; - u16 err_flags; - - skb_checksum_none_assert(skb); - pkt_flags = prrs->pkt_flag; - err_flags = prrs->err_flag; - if (((pkt_flags & RRS_IS_IPV4) || (pkt_flags & RRS_IS_IPV6)) && - ((pkt_flags & RRS_IS_TCP) || (pkt_flags & RRS_IS_UDP))) { - if (pkt_flags & RRS_IS_IPV4) { - if (pkt_flags & RRS_IS_802_3) - head_len += 8; - iph = (struct iphdr *) (packet + head_len); - if (iph->frag_off != 0 && !(pkt_flags & RRS_IS_IP_DF)) - goto hw_xsum; - } - if (!(err_flags & (RRS_ERR_IP_CSUM | RRS_ERR_L4_CSUM))) { - skb->ip_summed = CHECKSUM_UNNECESSARY; - return; - } - } - -hw_xsum : - return; -} - -static struct atl1e_rx_page *atl1e_get_rx_page(struct atl1e_adapter *adapter, - u8 que) -{ - struct atl1e_rx_page_desc *rx_page_desc = - (struct atl1e_rx_page_desc *) adapter->rx_ring.rx_page_desc; - u8 rx_using = rx_page_desc[que].rx_using; - - return (struct atl1e_rx_page *)&(rx_page_desc[que].rx_page[rx_using]); -} - -static void atl1e_clean_rx_irq(struct atl1e_adapter *adapter, u8 que, - int *work_done, int work_to_do) -{ - struct net_device *netdev = adapter->netdev; - struct atl1e_rx_ring *rx_ring = (struct atl1e_rx_ring *) - &adapter->rx_ring; - struct atl1e_rx_page_desc *rx_page_desc = - (struct atl1e_rx_page_desc *) rx_ring->rx_page_desc; - struct sk_buff *skb = NULL; - struct atl1e_rx_page *rx_page = atl1e_get_rx_page(adapter, que); - u32 packet_size, write_offset; - struct atl1e_recv_ret_status *prrs; - - write_offset = *(rx_page->write_offset_addr); - if (likely(rx_page->read_offset < write_offset)) { - do { - if (*work_done >= work_to_do) - break; - (*work_done)++; - /* get new packet's rrs */ - prrs = (struct atl1e_recv_ret_status *) (rx_page->addr + - rx_page->read_offset); - /* check sequence number */ - if (prrs->seq_num != rx_page_desc[que].rx_nxseq) { - netdev_err(netdev, - "rx sequence number error (rx=%d) (expect=%d)\n", - prrs->seq_num, - rx_page_desc[que].rx_nxseq); - rx_page_desc[que].rx_nxseq++; - /* just for debug use */ - AT_WRITE_REG(&adapter->hw, REG_DEBUG_DATA0, - (((u32)prrs->seq_num) << 16) | - rx_page_desc[que].rx_nxseq); - goto fatal_err; - } - rx_page_desc[que].rx_nxseq++; - - /* error packet */ - if (prrs->pkt_flag & RRS_IS_ERR_FRAME) { - if (prrs->err_flag & (RRS_ERR_BAD_CRC | - RRS_ERR_DRIBBLE | RRS_ERR_CODE | - RRS_ERR_TRUNC)) { - /* hardware error, discard this packet*/ - netdev_err(netdev, - "rx packet desc error %x\n", - *((u32 *)prrs + 1)); - goto skip_pkt; - } - } - - packet_size = ((prrs->word1 >> RRS_PKT_SIZE_SHIFT) & - RRS_PKT_SIZE_MASK) - 4; /* CRC */ - skb = netdev_alloc_skb_ip_align(netdev, packet_size); - if (skb == NULL) { - netdev_warn(netdev, - "Memory squeeze, deferring packet\n"); - goto skip_pkt; - } - memcpy(skb->data, (u8 *)(prrs + 1), packet_size); - skb_put(skb, packet_size); - skb->protocol = eth_type_trans(skb, netdev); - atl1e_rx_checksum(adapter, skb, prrs); - - if (prrs->pkt_flag & RRS_IS_VLAN_TAG) { - u16 vlan_tag = (prrs->vtag >> 4) | - ((prrs->vtag & 7) << 13) | - ((prrs->vtag & 8) << 9); - netdev_dbg(netdev, - "RXD VLAN TAG=0x%04x\n", - prrs->vtag); - __vlan_hwaccel_put_tag(skb, vlan_tag); - } - netif_receive_skb(skb); - -skip_pkt: - /* skip current packet whether it's ok or not. */ - rx_page->read_offset += - (((u32)((prrs->word1 >> RRS_PKT_SIZE_SHIFT) & - RRS_PKT_SIZE_MASK) + - sizeof(struct atl1e_recv_ret_status) + 31) & - 0xFFFFFFE0); - - if (rx_page->read_offset >= rx_ring->page_size) { - /* mark this page clean */ - u16 reg_addr; - u8 rx_using; - - rx_page->read_offset = - *(rx_page->write_offset_addr) = 0; - rx_using = rx_page_desc[que].rx_using; - reg_addr = - atl1e_rx_page_vld_regs[que][rx_using]; - AT_WRITE_REGB(&adapter->hw, reg_addr, 1); - rx_page_desc[que].rx_using ^= 1; - rx_page = atl1e_get_rx_page(adapter, que); - } - write_offset = *(rx_page->write_offset_addr); - } while (rx_page->read_offset < write_offset); - } - - return; - -fatal_err: - if (!test_bit(__AT_DOWN, &adapter->flags)) - schedule_work(&adapter->reset_task); -} - -/* - * atl1e_clean - NAPI Rx polling callback - * @adapter: board private structure - */ -static int atl1e_clean(struct napi_struct *napi, int budget) -{ - struct atl1e_adapter *adapter = - container_of(napi, struct atl1e_adapter, napi); - u32 imr_data; - int work_done = 0; - - /* Keep link state information with original netdev */ - if (!netif_carrier_ok(adapter->netdev)) - goto quit_polling; - - atl1e_clean_rx_irq(adapter, 0, &work_done, budget); - - /* If no Tx and not enough Rx work done, exit the polling mode */ - if (work_done < budget) { -quit_polling: - napi_complete(napi); - imr_data = AT_READ_REG(&adapter->hw, REG_IMR); - AT_WRITE_REG(&adapter->hw, REG_IMR, imr_data | ISR_RX_EVENT); - /* test debug */ - if (test_bit(__AT_DOWN, &adapter->flags)) { - atomic_dec(&adapter->irq_sem); - netdev_err(adapter->netdev, - "atl1e_clean is called when AT_DOWN\n"); - } - /* reenable RX intr */ - /*atl1e_irq_enable(adapter); */ - - } - return work_done; -} - -#ifdef CONFIG_NET_POLL_CONTROLLER - -/* - * Polling 'interrupt' - used by things like netconsole to send skbs - * without having to re-enable interrupts. It's not called while - * the interrupt routine is executing. - */ -static void atl1e_netpoll(struct net_device *netdev) -{ - struct atl1e_adapter *adapter = netdev_priv(netdev); - - disable_irq(adapter->pdev->irq); - atl1e_intr(adapter->pdev->irq, netdev); - enable_irq(adapter->pdev->irq); -} -#endif - -static inline u16 atl1e_tpd_avail(struct atl1e_adapter *adapter) -{ - struct atl1e_tx_ring *tx_ring = &adapter->tx_ring; - u16 next_to_use = 0; - u16 next_to_clean = 0; - - next_to_clean = atomic_read(&tx_ring->next_to_clean); - next_to_use = tx_ring->next_to_use; - - return (u16)(next_to_clean > next_to_use) ? - (next_to_clean - next_to_use - 1) : - (tx_ring->count + next_to_clean - next_to_use - 1); -} - -/* - * get next usable tpd - * Note: should call atl1e_tdp_avail to make sure - * there is enough tpd to use - */ -static struct atl1e_tpd_desc *atl1e_get_tpd(struct atl1e_adapter *adapter) -{ - struct atl1e_tx_ring *tx_ring = &adapter->tx_ring; - u16 next_to_use = 0; - - next_to_use = tx_ring->next_to_use; - if (++tx_ring->next_to_use == tx_ring->count) - tx_ring->next_to_use = 0; - - memset(&tx_ring->desc[next_to_use], 0, sizeof(struct atl1e_tpd_desc)); - return (struct atl1e_tpd_desc *)&tx_ring->desc[next_to_use]; -} - -static struct atl1e_tx_buffer * -atl1e_get_tx_buffer(struct atl1e_adapter *adapter, struct atl1e_tpd_desc *tpd) -{ - struct atl1e_tx_ring *tx_ring = &adapter->tx_ring; - - return &tx_ring->tx_buffer[tpd - tx_ring->desc]; -} - -/* Calculate the transmit packet descript needed*/ -static u16 atl1e_cal_tdp_req(const struct sk_buff *skb) -{ - int i = 0; - u16 tpd_req = 1; - u16 fg_size = 0; - u16 proto_hdr_len = 0; - - for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { - fg_size = skb_shinfo(skb)->frags[i].size; - tpd_req += ((fg_size + MAX_TX_BUF_LEN - 1) >> MAX_TX_BUF_SHIFT); - } - - if (skb_is_gso(skb)) { - if (skb->protocol == htons(ETH_P_IP) || - (skb_shinfo(skb)->gso_type == SKB_GSO_TCPV6)) { - proto_hdr_len = skb_transport_offset(skb) + - tcp_hdrlen(skb); - if (proto_hdr_len < skb_headlen(skb)) { - tpd_req += ((skb_headlen(skb) - proto_hdr_len + - MAX_TX_BUF_LEN - 1) >> - MAX_TX_BUF_SHIFT); - } - } - - } - return tpd_req; -} - -static int atl1e_tso_csum(struct atl1e_adapter *adapter, - struct sk_buff *skb, struct atl1e_tpd_desc *tpd) -{ - u8 hdr_len; - u32 real_len; - unsigned short offload_type; - int err; - - if (skb_is_gso(skb)) { - if (skb_header_cloned(skb)) { - err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC); - if (unlikely(err)) - return -1; - } - offload_type = skb_shinfo(skb)->gso_type; - - if (offload_type & SKB_GSO_TCPV4) { - real_len = (((unsigned char *)ip_hdr(skb) - skb->data) - + ntohs(ip_hdr(skb)->tot_len)); - - if (real_len < skb->len) - pskb_trim(skb, real_len); - - hdr_len = (skb_transport_offset(skb) + tcp_hdrlen(skb)); - if (unlikely(skb->len == hdr_len)) { - /* only xsum need */ - netdev_warn(adapter->netdev, - "IPV4 tso with zero data??\n"); - goto check_sum; - } else { - ip_hdr(skb)->check = 0; - ip_hdr(skb)->tot_len = 0; - tcp_hdr(skb)->check = ~csum_tcpudp_magic( - ip_hdr(skb)->saddr, - ip_hdr(skb)->daddr, - 0, IPPROTO_TCP, 0); - tpd->word3 |= (ip_hdr(skb)->ihl & - TDP_V4_IPHL_MASK) << - TPD_V4_IPHL_SHIFT; - tpd->word3 |= ((tcp_hdrlen(skb) >> 2) & - TPD_TCPHDRLEN_MASK) << - TPD_TCPHDRLEN_SHIFT; - tpd->word3 |= ((skb_shinfo(skb)->gso_size) & - TPD_MSS_MASK) << TPD_MSS_SHIFT; - tpd->word3 |= 1 << TPD_SEGMENT_EN_SHIFT; - } - return 0; - } - } - -check_sum: - if (likely(skb->ip_summed == CHECKSUM_PARTIAL)) { - u8 css, cso; - - cso = skb_checksum_start_offset(skb); - if (unlikely(cso & 0x1)) { - netdev_err(adapter->netdev, - "payload offset should not ant event number\n"); - return -1; - } else { - css = cso + skb->csum_offset; - tpd->word3 |= (cso & TPD_PLOADOFFSET_MASK) << - TPD_PLOADOFFSET_SHIFT; - tpd->word3 |= (css & TPD_CCSUMOFFSET_MASK) << - TPD_CCSUMOFFSET_SHIFT; - tpd->word3 |= 1 << TPD_CC_SEGMENT_EN_SHIFT; - } - } - - return 0; -} - -static void atl1e_tx_map(struct atl1e_adapter *adapter, - struct sk_buff *skb, struct atl1e_tpd_desc *tpd) -{ - struct atl1e_tpd_desc *use_tpd = NULL; - struct atl1e_tx_buffer *tx_buffer = NULL; - u16 buf_len = skb_headlen(skb); - u16 map_len = 0; - u16 mapped_len = 0; - u16 hdr_len = 0; - u16 nr_frags; - u16 f; - int segment; - - nr_frags = skb_shinfo(skb)->nr_frags; - segment = (tpd->word3 >> TPD_SEGMENT_EN_SHIFT) & TPD_SEGMENT_EN_MASK; - if (segment) { - /* TSO */ - map_len = hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb); - use_tpd = tpd; - - tx_buffer = atl1e_get_tx_buffer(adapter, use_tpd); - tx_buffer->length = map_len; - tx_buffer->dma = pci_map_single(adapter->pdev, - skb->data, hdr_len, PCI_DMA_TODEVICE); - ATL1E_SET_PCIMAP_TYPE(tx_buffer, ATL1E_TX_PCIMAP_SINGLE); - mapped_len += map_len; - use_tpd->buffer_addr = cpu_to_le64(tx_buffer->dma); - use_tpd->word2 = (use_tpd->word2 & (~TPD_BUFLEN_MASK)) | - ((cpu_to_le32(tx_buffer->length) & - TPD_BUFLEN_MASK) << TPD_BUFLEN_SHIFT); - } - - while (mapped_len < buf_len) { - /* mapped_len == 0, means we should use the first tpd, - which is given by caller */ - if (mapped_len == 0) { - use_tpd = tpd; - } else { - use_tpd = atl1e_get_tpd(adapter); - memcpy(use_tpd, tpd, sizeof(struct atl1e_tpd_desc)); - } - tx_buffer = atl1e_get_tx_buffer(adapter, use_tpd); - tx_buffer->skb = NULL; - - tx_buffer->length = map_len = - ((buf_len - mapped_len) >= MAX_TX_BUF_LEN) ? - MAX_TX_BUF_LEN : (buf_len - mapped_len); - tx_buffer->dma = - pci_map_single(adapter->pdev, skb->data + mapped_len, - map_len, PCI_DMA_TODEVICE); - ATL1E_SET_PCIMAP_TYPE(tx_buffer, ATL1E_TX_PCIMAP_SINGLE); - mapped_len += map_len; - use_tpd->buffer_addr = cpu_to_le64(tx_buffer->dma); - use_tpd->word2 = (use_tpd->word2 & (~TPD_BUFLEN_MASK)) | - ((cpu_to_le32(tx_buffer->length) & - TPD_BUFLEN_MASK) << TPD_BUFLEN_SHIFT); - } - - for (f = 0; f < nr_frags; f++) { - struct skb_frag_struct *frag; - u16 i; - u16 seg_num; - - frag = &skb_shinfo(skb)->frags[f]; - buf_len = frag->size; - - seg_num = (buf_len + MAX_TX_BUF_LEN - 1) / MAX_TX_BUF_LEN; - for (i = 0; i < seg_num; i++) { - use_tpd = atl1e_get_tpd(adapter); - memcpy(use_tpd, tpd, sizeof(struct atl1e_tpd_desc)); - - tx_buffer = atl1e_get_tx_buffer(adapter, use_tpd); - BUG_ON(tx_buffer->skb); - - tx_buffer->skb = NULL; - tx_buffer->length = - (buf_len > MAX_TX_BUF_LEN) ? - MAX_TX_BUF_LEN : buf_len; - buf_len -= tx_buffer->length; - - tx_buffer->dma = - pci_map_page(adapter->pdev, frag->page, - frag->page_offset + - (i * MAX_TX_BUF_LEN), - tx_buffer->length, - PCI_DMA_TODEVICE); - ATL1E_SET_PCIMAP_TYPE(tx_buffer, ATL1E_TX_PCIMAP_PAGE); - use_tpd->buffer_addr = cpu_to_le64(tx_buffer->dma); - use_tpd->word2 = (use_tpd->word2 & (~TPD_BUFLEN_MASK)) | - ((cpu_to_le32(tx_buffer->length) & - TPD_BUFLEN_MASK) << TPD_BUFLEN_SHIFT); - } - } - - if ((tpd->word3 >> TPD_SEGMENT_EN_SHIFT) & TPD_SEGMENT_EN_MASK) - /* note this one is a tcp header */ - tpd->word3 |= 1 << TPD_HDRFLAG_SHIFT; - /* The last tpd */ - - use_tpd->word3 |= 1 << TPD_EOP_SHIFT; - /* The last buffer info contain the skb address, - so it will be free after unmap */ - tx_buffer->skb = skb; -} - -static void atl1e_tx_queue(struct atl1e_adapter *adapter, u16 count, - struct atl1e_tpd_desc *tpd) -{ - struct atl1e_tx_ring *tx_ring = &adapter->tx_ring; - /* Force memory writes to complete before letting h/w - * know there are new descriptors to fetch. (Only - * applicable for weak-ordered memory model archs, - * such as IA-64). */ - wmb(); - AT_WRITE_REG(&adapter->hw, REG_MB_TPD_PROD_IDX, tx_ring->next_to_use); -} - -static netdev_tx_t atl1e_xmit_frame(struct sk_buff *skb, - struct net_device *netdev) -{ - struct atl1e_adapter *adapter = netdev_priv(netdev); - unsigned long flags; - u16 tpd_req = 1; - struct atl1e_tpd_desc *tpd; - - if (test_bit(__AT_DOWN, &adapter->flags)) { - dev_kfree_skb_any(skb); - return NETDEV_TX_OK; - } - - if (unlikely(skb->len <= 0)) { - dev_kfree_skb_any(skb); - return NETDEV_TX_OK; - } - tpd_req = atl1e_cal_tdp_req(skb); - if (!spin_trylock_irqsave(&adapter->tx_lock, flags)) - return NETDEV_TX_LOCKED; - - if (atl1e_tpd_avail(adapter) < tpd_req) { - /* no enough descriptor, just stop queue */ - netif_stop_queue(netdev); - spin_unlock_irqrestore(&adapter->tx_lock, flags); - return NETDEV_TX_BUSY; - } - - tpd = atl1e_get_tpd(adapter); - - if (vlan_tx_tag_present(skb)) { - u16 vlan_tag = vlan_tx_tag_get(skb); - u16 atl1e_vlan_tag; - - tpd->word3 |= 1 << TPD_INS_VL_TAG_SHIFT; - AT_VLAN_TAG_TO_TPD_TAG(vlan_tag, atl1e_vlan_tag); - tpd->word2 |= (atl1e_vlan_tag & TPD_VLANTAG_MASK) << - TPD_VLAN_SHIFT; - } - - if (skb->protocol == htons(ETH_P_8021Q)) - tpd->word3 |= 1 << TPD_VL_TAGGED_SHIFT; - - if (skb_network_offset(skb) != ETH_HLEN) - tpd->word3 |= 1 << TPD_ETHTYPE_SHIFT; /* 802.3 frame */ - - /* do TSO and check sum */ - if (atl1e_tso_csum(adapter, skb, tpd) != 0) { - spin_unlock_irqrestore(&adapter->tx_lock, flags); - dev_kfree_skb_any(skb); - return NETDEV_TX_OK; - } - - atl1e_tx_map(adapter, skb, tpd); - atl1e_tx_queue(adapter, tpd_req, tpd); - - netdev->trans_start = jiffies; /* NETIF_F_LLTX driver :( */ - spin_unlock_irqrestore(&adapter->tx_lock, flags); - return NETDEV_TX_OK; -} - -static void atl1e_free_irq(struct atl1e_adapter *adapter) -{ - struct net_device *netdev = adapter->netdev; - - free_irq(adapter->pdev->irq, netdev); - - if (adapter->have_msi) - pci_disable_msi(adapter->pdev); -} - -static int atl1e_request_irq(struct atl1e_adapter *adapter) -{ - struct pci_dev *pdev = adapter->pdev; - struct net_device *netdev = adapter->netdev; - int flags = 0; - int err = 0; - - adapter->have_msi = true; - err = pci_enable_msi(adapter->pdev); - if (err) { - netdev_dbg(adapter->netdev, - "Unable to allocate MSI interrupt Error: %d\n", err); - adapter->have_msi = false; - } else - netdev->irq = pdev->irq; - - - if (!adapter->have_msi) - flags |= IRQF_SHARED; - err = request_irq(adapter->pdev->irq, atl1e_intr, flags, - netdev->name, netdev); - if (err) { - netdev_dbg(adapter->netdev, - "Unable to allocate interrupt Error: %d\n", err); - if (adapter->have_msi) - pci_disable_msi(adapter->pdev); - return err; - } - netdev_dbg(adapter->netdev, "atl1e_request_irq OK\n"); - return err; -} - -int atl1e_up(struct atl1e_adapter *adapter) -{ - struct net_device *netdev = adapter->netdev; - int err = 0; - u32 val; - - /* hardware has been reset, we need to reload some things */ - err = atl1e_init_hw(&adapter->hw); - if (err) { - err = -EIO; - return err; - } - atl1e_init_ring_ptrs(adapter); - atl1e_set_multi(netdev); - atl1e_restore_vlan(adapter); - - if (atl1e_configure(adapter)) { - err = -EIO; - goto err_up; - } - - clear_bit(__AT_DOWN, &adapter->flags); - napi_enable(&adapter->napi); - atl1e_irq_enable(adapter); - val = AT_READ_REG(&adapter->hw, REG_MASTER_CTRL); - AT_WRITE_REG(&adapter->hw, REG_MASTER_CTRL, - val | MASTER_CTRL_MANUAL_INT); - -err_up: - return err; -} - -void atl1e_down(struct atl1e_adapter *adapter) -{ - struct net_device *netdev = adapter->netdev; - - /* signal that we're down so the interrupt handler does not - * reschedule our watchdog timer */ - set_bit(__AT_DOWN, &adapter->flags); - - netif_stop_queue(netdev); - - /* reset MAC to disable all RX/TX */ - atl1e_reset_hw(&adapter->hw); - msleep(1); - - napi_disable(&adapter->napi); - atl1e_del_timer(adapter); - atl1e_irq_disable(adapter); - - netif_carrier_off(netdev); - adapter->link_speed = SPEED_0; - adapter->link_duplex = -1; - atl1e_clean_tx_ring(adapter); - atl1e_clean_rx_ring(adapter); -} - -/* - * atl1e_open - Called when a network interface is made active - * @netdev: network interface device structure - * - * Returns 0 on success, negative value on failure - * - * The open entry point is called when a network interface is made - * active by the system (IFF_UP). At this point all resources needed - * for transmit and receive operations are allocated, the interrupt - * handler is registered with the OS, the watchdog timer is started, - * and the stack is notified that the interface is ready. - */ -static int atl1e_open(struct net_device *netdev) -{ - struct atl1e_adapter *adapter = netdev_priv(netdev); - int err; - - /* disallow open during test */ - if (test_bit(__AT_TESTING, &adapter->flags)) - return -EBUSY; - - /* allocate rx/tx dma buffer & descriptors */ - atl1e_init_ring_resources(adapter); - err = atl1e_setup_ring_resources(adapter); - if (unlikely(err)) - return err; - - err = atl1e_request_irq(adapter); - if (unlikely(err)) - goto err_req_irq; - - err = atl1e_up(adapter); - if (unlikely(err)) - goto err_up; - - return 0; - -err_up: - atl1e_free_irq(adapter); -err_req_irq: - atl1e_free_ring_resources(adapter); - atl1e_reset_hw(&adapter->hw); - - return err; -} - -/* - * atl1e_close - Disables a network interface - * @netdev: network interface device structure - * - * Returns 0, this is not allowed to fail - * - * The close entry point is called when an interface is de-activated - * by the OS. The hardware is still under the drivers control, but - * needs to be disabled. A global MAC reset is issued to stop the - * hardware, and all transmit and receive resources are freed. - */ -static int atl1e_close(struct net_device *netdev) -{ - struct atl1e_adapter *adapter = netdev_priv(netdev); - - WARN_ON(test_bit(__AT_RESETTING, &adapter->flags)); - atl1e_down(adapter); - atl1e_free_irq(adapter); - atl1e_free_ring_resources(adapter); - - return 0; -} - -static int atl1e_suspend(struct pci_dev *pdev, pm_message_t state) -{ - struct net_device *netdev = pci_get_drvdata(pdev); - struct atl1e_adapter *adapter = netdev_priv(netdev); - struct atl1e_hw *hw = &adapter->hw; - u32 ctrl = 0; - u32 mac_ctrl_data = 0; - u32 wol_ctrl_data = 0; - u16 mii_advertise_data = 0; - u16 mii_bmsr_data = 0; - u16 mii_intr_status_data = 0; - u32 wufc = adapter->wol; - u32 i; -#ifdef CONFIG_PM - int retval = 0; -#endif - - if (netif_running(netdev)) { - WARN_ON(test_bit(__AT_RESETTING, &adapter->flags)); - atl1e_down(adapter); - } - netif_device_detach(netdev); - -#ifdef CONFIG_PM - retval = pci_save_state(pdev); - if (retval) - return retval; -#endif - - if (wufc) { - /* get link status */ - atl1e_read_phy_reg(hw, MII_BMSR, (u16 *)&mii_bmsr_data); - atl1e_read_phy_reg(hw, MII_BMSR, (u16 *)&mii_bmsr_data); - - mii_advertise_data = ADVERTISE_10HALF; - - if ((atl1e_write_phy_reg(hw, MII_CTRL1000, 0) != 0) || - (atl1e_write_phy_reg(hw, - MII_ADVERTISE, mii_advertise_data) != 0) || - (atl1e_phy_commit(hw)) != 0) { - netdev_dbg(adapter->netdev, "set phy register failed\n"); - goto wol_dis; - } - - hw->phy_configured = false; /* re-init PHY when resume */ - - /* turn on magic packet wol */ - if (wufc & AT_WUFC_MAG) - wol_ctrl_data |= WOL_MAGIC_EN | WOL_MAGIC_PME_EN; - - if (wufc & AT_WUFC_LNKC) { - /* if orignal link status is link, just wait for retrive link */ - if (mii_bmsr_data & BMSR_LSTATUS) { - for (i = 0; i < AT_SUSPEND_LINK_TIMEOUT; i++) { - msleep(100); - atl1e_read_phy_reg(hw, MII_BMSR, - (u16 *)&mii_bmsr_data); - if (mii_bmsr_data & BMSR_LSTATUS) - break; - } - - if ((mii_bmsr_data & BMSR_LSTATUS) == 0) - netdev_dbg(adapter->netdev, - "Link may change when suspend\n"); - } - wol_ctrl_data |= WOL_LINK_CHG_EN | WOL_LINK_CHG_PME_EN; - /* only link up can wake up */ - if (atl1e_write_phy_reg(hw, MII_INT_CTRL, 0x400) != 0) { - netdev_dbg(adapter->netdev, - "read write phy register failed\n"); - goto wol_dis; - } - } - /* clear phy interrupt */ - atl1e_read_phy_reg(hw, MII_INT_STATUS, &mii_intr_status_data); - /* Config MAC Ctrl register */ - mac_ctrl_data = MAC_CTRL_RX_EN; - /* set to 10/100M halt duplex */ - mac_ctrl_data |= MAC_CTRL_SPEED_10_100 << MAC_CTRL_SPEED_SHIFT; - mac_ctrl_data |= (((u32)adapter->hw.preamble_len & - MAC_CTRL_PRMLEN_MASK) << - MAC_CTRL_PRMLEN_SHIFT); - - __atl1e_vlan_mode(netdev->features, &mac_ctrl_data); - - /* magic packet maybe Broadcast&multicast&Unicast frame */ - if (wufc & AT_WUFC_MAG) - mac_ctrl_data |= MAC_CTRL_BC_EN; - - netdev_dbg(adapter->netdev, "suspend MAC=0x%x\n", - mac_ctrl_data); - - AT_WRITE_REG(hw, REG_WOL_CTRL, wol_ctrl_data); - AT_WRITE_REG(hw, REG_MAC_CTRL, mac_ctrl_data); - /* pcie patch */ - ctrl = AT_READ_REG(hw, REG_PCIE_PHYMISC); - ctrl |= PCIE_PHYMISC_FORCE_RCV_DET; - AT_WRITE_REG(hw, REG_PCIE_PHYMISC, ctrl); - pci_enable_wake(pdev, pci_choose_state(pdev, state), 1); - goto suspend_exit; - } -wol_dis: - - /* WOL disabled */ - AT_WRITE_REG(hw, REG_WOL_CTRL, 0); - - /* pcie patch */ - ctrl = AT_READ_REG(hw, REG_PCIE_PHYMISC); - ctrl |= PCIE_PHYMISC_FORCE_RCV_DET; - AT_WRITE_REG(hw, REG_PCIE_PHYMISC, ctrl); - - atl1e_force_ps(hw); - hw->phy_configured = false; /* re-init PHY when resume */ - - pci_enable_wake(pdev, pci_choose_state(pdev, state), 0); - -suspend_exit: - - if (netif_running(netdev)) - atl1e_free_irq(adapter); - - pci_disable_device(pdev); - - pci_set_power_state(pdev, pci_choose_state(pdev, state)); - - return 0; -} - -#ifdef CONFIG_PM -static int atl1e_resume(struct pci_dev *pdev) -{ - struct net_device *netdev = pci_get_drvdata(pdev); - struct atl1e_adapter *adapter = netdev_priv(netdev); - u32 err; - - pci_set_power_state(pdev, PCI_D0); - pci_restore_state(pdev); - - err = pci_enable_device(pdev); - if (err) { - netdev_err(adapter->netdev, - "Cannot enable PCI device from suspend\n"); - return err; - } - - pci_set_master(pdev); - - AT_READ_REG(&adapter->hw, REG_WOL_CTRL); /* clear WOL status */ - - pci_enable_wake(pdev, PCI_D3hot, 0); - pci_enable_wake(pdev, PCI_D3cold, 0); - - AT_WRITE_REG(&adapter->hw, REG_WOL_CTRL, 0); - - if (netif_running(netdev)) { - err = atl1e_request_irq(adapter); - if (err) - return err; - } - - atl1e_reset_hw(&adapter->hw); - - if (netif_running(netdev)) - atl1e_up(adapter); - - netif_device_attach(netdev); - - return 0; -} -#endif - -static void atl1e_shutdown(struct pci_dev *pdev) -{ - atl1e_suspend(pdev, PMSG_SUSPEND); -} - -static const struct net_device_ops atl1e_netdev_ops = { - .ndo_open = atl1e_open, - .ndo_stop = atl1e_close, - .ndo_start_xmit = atl1e_xmit_frame, - .ndo_get_stats = atl1e_get_stats, - .ndo_set_multicast_list = atl1e_set_multi, - .ndo_validate_addr = eth_validate_addr, - .ndo_set_mac_address = atl1e_set_mac_addr, - .ndo_fix_features = atl1e_fix_features, - .ndo_set_features = atl1e_set_features, - .ndo_change_mtu = atl1e_change_mtu, - .ndo_do_ioctl = atl1e_ioctl, - .ndo_tx_timeout = atl1e_tx_timeout, -#ifdef CONFIG_NET_POLL_CONTROLLER - .ndo_poll_controller = atl1e_netpoll, -#endif - -}; - -static int atl1e_init_netdev(struct net_device *netdev, struct pci_dev *pdev) -{ - SET_NETDEV_DEV(netdev, &pdev->dev); - pci_set_drvdata(pdev, netdev); - - netdev->irq = pdev->irq; - netdev->netdev_ops = &atl1e_netdev_ops; - - netdev->watchdog_timeo = AT_TX_WATCHDOG; - atl1e_set_ethtool_ops(netdev); - - netdev->hw_features = NETIF_F_SG | NETIF_F_HW_CSUM | NETIF_F_TSO | - NETIF_F_HW_VLAN_RX; - netdev->features = netdev->hw_features | NETIF_F_LLTX | - NETIF_F_HW_VLAN_TX; - - return 0; -} - -/* - * atl1e_probe - Device Initialization Routine - * @pdev: PCI device information struct - * @ent: entry in atl1e_pci_tbl - * - * Returns 0 on success, negative on failure - * - * atl1e_probe initializes an adapter identified by a pci_dev structure. - * The OS initialization, configuring of the adapter private structure, - * and a hardware reset occur. - */ -static int __devinit atl1e_probe(struct pci_dev *pdev, - const struct pci_device_id *ent) -{ - struct net_device *netdev; - struct atl1e_adapter *adapter = NULL; - static int cards_found; - - int err = 0; - - err = pci_enable_device(pdev); - if (err) { - dev_err(&pdev->dev, "cannot enable PCI device\n"); - return err; - } - - /* - * The atl1e chip can DMA to 64-bit addresses, but it uses a single - * shared register for the high 32 bits, so only a single, aligned, - * 4 GB physical address range can be used at a time. - * - * Supporting 64-bit DMA on this hardware is more trouble than it's - * worth. It is far easier to limit to 32-bit DMA than update - * various kernel subsystems to support the mechanics required by a - * fixed-high-32-bit system. - */ - if ((pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0) || - (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)) != 0)) { - dev_err(&pdev->dev, "No usable DMA configuration,aborting\n"); - goto err_dma; - } - - err = pci_request_regions(pdev, atl1e_driver_name); - if (err) { - dev_err(&pdev->dev, "cannot obtain PCI resources\n"); - goto err_pci_reg; - } - - pci_set_master(pdev); - - netdev = alloc_etherdev(sizeof(struct atl1e_adapter)); - if (netdev == NULL) { - err = -ENOMEM; - dev_err(&pdev->dev, "etherdev alloc failed\n"); - goto err_alloc_etherdev; - } - - err = atl1e_init_netdev(netdev, pdev); - if (err) { - netdev_err(netdev, "init netdevice failed\n"); - goto err_init_netdev; - } - adapter = netdev_priv(netdev); - adapter->bd_number = cards_found; - adapter->netdev = netdev; - adapter->pdev = pdev; - adapter->hw.adapter = adapter; - adapter->hw.hw_addr = pci_iomap(pdev, BAR_0, 0); - if (!adapter->hw.hw_addr) { - err = -EIO; - netdev_err(netdev, "cannot map device registers\n"); - goto err_ioremap; - } - netdev->base_addr = (unsigned long)adapter->hw.hw_addr; - - /* init mii data */ - adapter->mii.dev = netdev; - adapter->mii.mdio_read = atl1e_mdio_read; - adapter->mii.mdio_write = atl1e_mdio_write; - adapter->mii.phy_id_mask = 0x1f; - adapter->mii.reg_num_mask = MDIO_REG_ADDR_MASK; - - netif_napi_add(netdev, &adapter->napi, atl1e_clean, 64); - - init_timer(&adapter->phy_config_timer); - adapter->phy_config_timer.function = atl1e_phy_config; - adapter->phy_config_timer.data = (unsigned long) adapter; - - /* get user settings */ - atl1e_check_options(adapter); - /* - * Mark all PCI regions associated with PCI device - * pdev as being reserved by owner atl1e_driver_name - * Enables bus-mastering on the device and calls - * pcibios_set_master to do the needed arch specific settings - */ - atl1e_setup_pcicmd(pdev); - /* setup the private structure */ - err = atl1e_sw_init(adapter); - if (err) { - netdev_err(netdev, "net device private data init failed\n"); - goto err_sw_init; - } - - /* Init GPHY as early as possible due to power saving issue */ - atl1e_phy_init(&adapter->hw); - /* reset the controller to - * put the device in a known good starting state */ - err = atl1e_reset_hw(&adapter->hw); - if (err) { - err = -EIO; - goto err_reset; - } - - if (atl1e_read_mac_addr(&adapter->hw) != 0) { - err = -EIO; - netdev_err(netdev, "get mac address failed\n"); - goto err_eeprom; - } - - memcpy(netdev->dev_addr, adapter->hw.mac_addr, netdev->addr_len); - memcpy(netdev->perm_addr, adapter->hw.mac_addr, netdev->addr_len); - netdev_dbg(netdev, "mac address : %pM\n", adapter->hw.mac_addr); - - INIT_WORK(&adapter->reset_task, atl1e_reset_task); - INIT_WORK(&adapter->link_chg_task, atl1e_link_chg_task); - err = register_netdev(netdev); - if (err) { - netdev_err(netdev, "register netdevice failed\n"); - goto err_register; - } - - /* assume we have no link for now */ - netif_stop_queue(netdev); - netif_carrier_off(netdev); - - cards_found++; - - return 0; - -err_reset: -err_register: -err_sw_init: -err_eeprom: - iounmap(adapter->hw.hw_addr); -err_init_netdev: -err_ioremap: - free_netdev(netdev); -err_alloc_etherdev: - pci_release_regions(pdev); -err_pci_reg: -err_dma: - pci_disable_device(pdev); - return err; -} - -/* - * atl1e_remove - Device Removal Routine - * @pdev: PCI device information struct - * - * atl1e_remove is called by the PCI subsystem to alert the driver - * that it should release a PCI device. The could be caused by a - * Hot-Plug event, or because the driver is going to be removed from - * memory. - */ -static void __devexit atl1e_remove(struct pci_dev *pdev) -{ - struct net_device *netdev = pci_get_drvdata(pdev); - struct atl1e_adapter *adapter = netdev_priv(netdev); - - /* - * flush_scheduled work may reschedule our watchdog task, so - * explicitly disable watchdog tasks from being rescheduled - */ - set_bit(__AT_DOWN, &adapter->flags); - - atl1e_del_timer(adapter); - atl1e_cancel_work(adapter); - - unregister_netdev(netdev); - atl1e_free_ring_resources(adapter); - atl1e_force_ps(&adapter->hw); - iounmap(adapter->hw.hw_addr); - pci_release_regions(pdev); - free_netdev(netdev); - pci_disable_device(pdev); -} - -/* - * atl1e_io_error_detected - called when PCI error is detected - * @pdev: Pointer to PCI device - * @state: The current pci connection state - * - * This function is called after a PCI bus error affecting - * this device has been detected. - */ -static pci_ers_result_t -atl1e_io_error_detected(struct pci_dev *pdev, pci_channel_state_t state) -{ - struct net_device *netdev = pci_get_drvdata(pdev); - struct atl1e_adapter *adapter = netdev_priv(netdev); - - netif_device_detach(netdev); - - if (state == pci_channel_io_perm_failure) - return PCI_ERS_RESULT_DISCONNECT; - - if (netif_running(netdev)) - atl1e_down(adapter); - - pci_disable_device(pdev); - - /* Request a slot slot reset. */ - return PCI_ERS_RESULT_NEED_RESET; -} - -/* - * atl1e_io_slot_reset - called after the pci bus has been reset. - * @pdev: Pointer to PCI device - * - * Restart the card from scratch, as if from a cold-boot. Implementation - * resembles the first-half of the e1000_resume routine. - */ -static pci_ers_result_t atl1e_io_slot_reset(struct pci_dev *pdev) -{ - struct net_device *netdev = pci_get_drvdata(pdev); - struct atl1e_adapter *adapter = netdev_priv(netdev); - - if (pci_enable_device(pdev)) { - netdev_err(adapter->netdev, - "Cannot re-enable PCI device after reset\n"); - return PCI_ERS_RESULT_DISCONNECT; - } - pci_set_master(pdev); - - pci_enable_wake(pdev, PCI_D3hot, 0); - pci_enable_wake(pdev, PCI_D3cold, 0); - - atl1e_reset_hw(&adapter->hw); - - return PCI_ERS_RESULT_RECOVERED; -} - -/* - * atl1e_io_resume - called when traffic can start flowing again. - * @pdev: Pointer to PCI device - * - * This callback is called when the error recovery driver tells us that - * its OK to resume normal operation. Implementation resembles the - * second-half of the atl1e_resume routine. - */ -static void atl1e_io_resume(struct pci_dev *pdev) -{ - struct net_device *netdev = pci_get_drvdata(pdev); - struct atl1e_adapter *adapter = netdev_priv(netdev); - - if (netif_running(netdev)) { - if (atl1e_up(adapter)) { - netdev_err(adapter->netdev, - "can't bring device back up after reset\n"); - return; - } - } - - netif_device_attach(netdev); -} - -static struct pci_error_handlers atl1e_err_handler = { - .error_detected = atl1e_io_error_detected, - .slot_reset = atl1e_io_slot_reset, - .resume = atl1e_io_resume, -}; - -static struct pci_driver atl1e_driver = { - .name = atl1e_driver_name, - .id_table = atl1e_pci_tbl, - .probe = atl1e_probe, - .remove = __devexit_p(atl1e_remove), - /* Power Management Hooks */ -#ifdef CONFIG_PM - .suspend = atl1e_suspend, - .resume = atl1e_resume, -#endif - .shutdown = atl1e_shutdown, - .err_handler = &atl1e_err_handler -}; - -/* - * atl1e_init_module - Driver Registration Routine - * - * atl1e_init_module is the first routine called when the driver is - * loaded. All it does is register with the PCI subsystem. - */ -static int __init atl1e_init_module(void) -{ - return pci_register_driver(&atl1e_driver); -} - -/* - * atl1e_exit_module - Driver Exit Cleanup Routine - * - * atl1e_exit_module is called just before the driver is removed - * from memory. - */ -static void __exit atl1e_exit_module(void) -{ - pci_unregister_driver(&atl1e_driver); -} - -module_init(atl1e_init_module); -module_exit(atl1e_exit_module); diff --git a/drivers/net/atl1e/atl1e_param.c b/drivers/net/atl1e/atl1e_param.c deleted file mode 100644 index 0ce60b6e7ef0..000000000000 --- a/drivers/net/atl1e/atl1e_param.c +++ /dev/null @@ -1,268 +0,0 @@ -/* - * Copyright(c) 2007 Atheros Corporation. All rights reserved. - * - * Derived from Intel e1000 driver - * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., 59 - * Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -#include - -#include "atl1e.h" - -/* This is the only thing that needs to be changed to adjust the - * maximum number of ports that the driver can manage. - */ - -#define ATL1E_MAX_NIC 32 - -#define OPTION_UNSET -1 -#define OPTION_DISABLED 0 -#define OPTION_ENABLED 1 - -/* All parameters are treated the same, as an integer array of values. - * This macro just reduces the need to repeat the same declaration code - * over and over (plus this helps to avoid typo bugs). - */ -#define ATL1E_PARAM_INIT { [0 ... ATL1E_MAX_NIC] = OPTION_UNSET } - -#define ATL1E_PARAM(x, desc) \ - static int __devinitdata x[ATL1E_MAX_NIC + 1] = ATL1E_PARAM_INIT; \ - static unsigned int num_##x; \ - module_param_array_named(x, x, int, &num_##x, 0); \ - MODULE_PARM_DESC(x, desc); - -/* Transmit Memory count - * - * Valid Range: 64-2048 - * - * Default Value: 128 - */ -#define ATL1E_MIN_TX_DESC_CNT 32 -#define ATL1E_MAX_TX_DESC_CNT 1020 -#define ATL1E_DEFAULT_TX_DESC_CNT 128 -ATL1E_PARAM(tx_desc_cnt, "Transmit description count"); - -/* Receive Memory Block Count - * - * Valid Range: 16-512 - * - * Default Value: 128 - */ -#define ATL1E_MIN_RX_MEM_SIZE 8 /* 8KB */ -#define ATL1E_MAX_RX_MEM_SIZE 1024 /* 1MB */ -#define ATL1E_DEFAULT_RX_MEM_SIZE 256 /* 128KB */ -ATL1E_PARAM(rx_mem_size, "memory size of rx buffer(KB)"); - -/* User Specified MediaType Override - * - * Valid Range: 0-5 - * - 0 - auto-negotiate at all supported speeds - * - 1 - only link at 100Mbps Full Duplex - * - 2 - only link at 100Mbps Half Duplex - * - 3 - only link at 10Mbps Full Duplex - * - 4 - only link at 10Mbps Half Duplex - * Default Value: 0 - */ - -ATL1E_PARAM(media_type, "MediaType Select"); - -/* Interrupt Moderate Timer in units of 2 us - * - * Valid Range: 10-65535 - * - * Default Value: 45000(90ms) - */ -#define INT_MOD_DEFAULT_CNT 100 /* 200us */ -#define INT_MOD_MAX_CNT 65000 -#define INT_MOD_MIN_CNT 50 -ATL1E_PARAM(int_mod_timer, "Interrupt Moderator Timer"); - -#define AUTONEG_ADV_DEFAULT 0x2F -#define AUTONEG_ADV_MASK 0x2F -#define FLOW_CONTROL_DEFAULT FLOW_CONTROL_FULL - -#define FLASH_VENDOR_DEFAULT 0 -#define FLASH_VENDOR_MIN 0 -#define FLASH_VENDOR_MAX 2 - -struct atl1e_option { - enum { enable_option, range_option, list_option } type; - char *name; - char *err; - int def; - union { - struct { /* range_option info */ - int min; - int max; - } r; - struct { /* list_option info */ - int nr; - struct atl1e_opt_list { int i; char *str; } *p; - } l; - } arg; -}; - -static int __devinit atl1e_validate_option(int *value, struct atl1e_option *opt, struct atl1e_adapter *adapter) -{ - if (*value == OPTION_UNSET) { - *value = opt->def; - return 0; - } - - switch (opt->type) { - case enable_option: - switch (*value) { - case OPTION_ENABLED: - netdev_info(adapter->netdev, - "%s Enabled\n", opt->name); - return 0; - case OPTION_DISABLED: - netdev_info(adapter->netdev, - "%s Disabled\n", opt->name); - return 0; - } - break; - case range_option: - if (*value >= opt->arg.r.min && *value <= opt->arg.r.max) { - netdev_info(adapter->netdev, "%s set to %i\n", - opt->name, *value); - return 0; - } - break; - case list_option:{ - int i; - struct atl1e_opt_list *ent; - - for (i = 0; i < opt->arg.l.nr; i++) { - ent = &opt->arg.l.p[i]; - if (*value == ent->i) { - if (ent->str[0] != '\0') - netdev_info(adapter->netdev, - "%s\n", ent->str); - return 0; - } - } - break; - } - default: - BUG(); - } - - netdev_info(adapter->netdev, "Invalid %s specified (%i) %s\n", - opt->name, *value, opt->err); - *value = opt->def; - return -1; -} - -/* - * atl1e_check_options - Range Checking for Command Line Parameters - * @adapter: board private structure - * - * This routine checks all command line parameters for valid user - * input. If an invalid value is given, or if no user specified - * value exists, a default value is used. The final value is stored - * in a variable in the adapter structure. - */ -void __devinit atl1e_check_options(struct atl1e_adapter *adapter) -{ - int bd = adapter->bd_number; - - if (bd >= ATL1E_MAX_NIC) { - netdev_notice(adapter->netdev, - "no configuration for board #%i\n", bd); - netdev_notice(adapter->netdev, - "Using defaults for all values\n"); - } - - { /* Transmit Ring Size */ - struct atl1e_option opt = { - .type = range_option, - .name = "Transmit Ddescription Count", - .err = "using default of " - __MODULE_STRING(ATL1E_DEFAULT_TX_DESC_CNT), - .def = ATL1E_DEFAULT_TX_DESC_CNT, - .arg = { .r = { .min = ATL1E_MIN_TX_DESC_CNT, - .max = ATL1E_MAX_TX_DESC_CNT} } - }; - int val; - if (num_tx_desc_cnt > bd) { - val = tx_desc_cnt[bd]; - atl1e_validate_option(&val, &opt, adapter); - adapter->tx_ring.count = (u16) val & 0xFFFC; - } else - adapter->tx_ring.count = (u16)opt.def; - } - - { /* Receive Memory Block Count */ - struct atl1e_option opt = { - .type = range_option, - .name = "Memory size of rx buffer(KB)", - .err = "using default of " - __MODULE_STRING(ATL1E_DEFAULT_RX_MEM_SIZE), - .def = ATL1E_DEFAULT_RX_MEM_SIZE, - .arg = { .r = { .min = ATL1E_MIN_RX_MEM_SIZE, - .max = ATL1E_MAX_RX_MEM_SIZE} } - }; - int val; - if (num_rx_mem_size > bd) { - val = rx_mem_size[bd]; - atl1e_validate_option(&val, &opt, adapter); - adapter->rx_ring.page_size = (u32)val * 1024; - } else { - adapter->rx_ring.page_size = (u32)opt.def * 1024; - } - } - - { /* Interrupt Moderate Timer */ - struct atl1e_option opt = { - .type = range_option, - .name = "Interrupt Moderate Timer", - .err = "using default of " - __MODULE_STRING(INT_MOD_DEFAULT_CNT), - .def = INT_MOD_DEFAULT_CNT, - .arg = { .r = { .min = INT_MOD_MIN_CNT, - .max = INT_MOD_MAX_CNT} } - } ; - int val; - if (num_int_mod_timer > bd) { - val = int_mod_timer[bd]; - atl1e_validate_option(&val, &opt, adapter); - adapter->hw.imt = (u16) val; - } else - adapter->hw.imt = (u16)(opt.def); - } - - { /* MediaType */ - struct atl1e_option opt = { - .type = range_option, - .name = "Speed/Duplex Selection", - .err = "using default of " - __MODULE_STRING(MEDIA_TYPE_AUTO_SENSOR), - .def = MEDIA_TYPE_AUTO_SENSOR, - .arg = { .r = { .min = MEDIA_TYPE_AUTO_SENSOR, - .max = MEDIA_TYPE_10M_HALF} } - } ; - int val; - if (num_media_type > bd) { - val = media_type[bd]; - atl1e_validate_option(&val, &opt, adapter); - adapter->hw.media_type = (u16) val; - } else - adapter->hw.media_type = (u16)(opt.def); - - } -} diff --git a/drivers/net/atlx/Makefile b/drivers/net/atlx/Makefile deleted file mode 100644 index e4f6022ca552..000000000000 --- a/drivers/net/atlx/Makefile +++ /dev/null @@ -1,3 +0,0 @@ -obj-$(CONFIG_ATL1) += atl1.o -obj-$(CONFIG_ATL2) += atl2.o - diff --git a/drivers/net/atlx/atl1.c b/drivers/net/atlx/atl1.c deleted file mode 100644 index 97e6954304ea..000000000000 --- a/drivers/net/atlx/atl1.c +++ /dev/null @@ -1,3675 +0,0 @@ -/* - * Copyright(c) 2005 - 2006 Attansic Corporation. All rights reserved. - * Copyright(c) 2006 - 2007 Chris Snook - * Copyright(c) 2006 - 2008 Jay Cliburn - * - * Derived from Intel e1000 driver - * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., 59 - * Temple Place - Suite 330, Boston, MA 02111-1307, USA. - * - * The full GNU General Public License is included in this distribution in the - * file called COPYING. - * - * Contact Information: - * Xiong Huang - * Jie Yang - * Chris Snook - * Jay Cliburn - * - * This version is adapted from the Attansic reference driver. - * - * TODO: - * Add more ethtool functions. - * Fix abstruse irq enable/disable condition described here: - * http://marc.theaimsgroup.com/?l=linux-netdev&m=116398508500553&w=2 - * - * NEEDS TESTING: - * VLAN - * multicast - * promiscuous mode - * interrupt coalescing - * SMP torture testing - */ - -#include -#include - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include - -#include "atl1.h" - -#define ATLX_DRIVER_VERSION "2.1.3" -MODULE_AUTHOR("Xiong Huang , " - "Chris Snook , " - "Jay Cliburn "); -MODULE_LICENSE("GPL"); -MODULE_VERSION(ATLX_DRIVER_VERSION); - -/* Temporary hack for merging atl1 and atl2 */ -#include "atlx.c" - -static const struct ethtool_ops atl1_ethtool_ops; - -/* - * This is the only thing that needs to be changed to adjust the - * maximum number of ports that the driver can manage. - */ -#define ATL1_MAX_NIC 4 - -#define OPTION_UNSET -1 -#define OPTION_DISABLED 0 -#define OPTION_ENABLED 1 - -#define ATL1_PARAM_INIT { [0 ... ATL1_MAX_NIC] = OPTION_UNSET } - -/* - * Interrupt Moderate Timer in units of 2 us - * - * Valid Range: 10-65535 - * - * Default Value: 100 (200us) - */ -static int __devinitdata int_mod_timer[ATL1_MAX_NIC+1] = ATL1_PARAM_INIT; -static unsigned int num_int_mod_timer; -module_param_array_named(int_mod_timer, int_mod_timer, int, - &num_int_mod_timer, 0); -MODULE_PARM_DESC(int_mod_timer, "Interrupt moderator timer"); - -#define DEFAULT_INT_MOD_CNT 100 /* 200us */ -#define MAX_INT_MOD_CNT 65000 -#define MIN_INT_MOD_CNT 50 - -struct atl1_option { - enum { enable_option, range_option, list_option } type; - char *name; - char *err; - int def; - union { - struct { /* range_option info */ - int min; - int max; - } r; - struct { /* list_option info */ - int nr; - struct atl1_opt_list { - int i; - char *str; - } *p; - } l; - } arg; -}; - -static int __devinit atl1_validate_option(int *value, struct atl1_option *opt, - struct pci_dev *pdev) -{ - if (*value == OPTION_UNSET) { - *value = opt->def; - return 0; - } - - switch (opt->type) { - case enable_option: - switch (*value) { - case OPTION_ENABLED: - dev_info(&pdev->dev, "%s enabled\n", opt->name); - return 0; - case OPTION_DISABLED: - dev_info(&pdev->dev, "%s disabled\n", opt->name); - return 0; - } - break; - case range_option: - if (*value >= opt->arg.r.min && *value <= opt->arg.r.max) { - dev_info(&pdev->dev, "%s set to %i\n", opt->name, - *value); - return 0; - } - break; - case list_option:{ - int i; - struct atl1_opt_list *ent; - - for (i = 0; i < opt->arg.l.nr; i++) { - ent = &opt->arg.l.p[i]; - if (*value == ent->i) { - if (ent->str[0] != '\0') - dev_info(&pdev->dev, "%s\n", - ent->str); - return 0; - } - } - } - break; - - default: - break; - } - - dev_info(&pdev->dev, "invalid %s specified (%i) %s\n", - opt->name, *value, opt->err); - *value = opt->def; - return -1; -} - -/* - * atl1_check_options - Range Checking for Command Line Parameters - * @adapter: board private structure - * - * This routine checks all command line parameters for valid user - * input. If an invalid value is given, or if no user specified - * value exists, a default value is used. The final value is stored - * in a variable in the adapter structure. - */ -static void __devinit atl1_check_options(struct atl1_adapter *adapter) -{ - struct pci_dev *pdev = adapter->pdev; - int bd = adapter->bd_number; - if (bd >= ATL1_MAX_NIC) { - dev_notice(&pdev->dev, "no configuration for board#%i\n", bd); - dev_notice(&pdev->dev, "using defaults for all values\n"); - } - { /* Interrupt Moderate Timer */ - struct atl1_option opt = { - .type = range_option, - .name = "Interrupt Moderator Timer", - .err = "using default of " - __MODULE_STRING(DEFAULT_INT_MOD_CNT), - .def = DEFAULT_INT_MOD_CNT, - .arg = {.r = {.min = MIN_INT_MOD_CNT, - .max = MAX_INT_MOD_CNT} } - }; - int val; - if (num_int_mod_timer > bd) { - val = int_mod_timer[bd]; - atl1_validate_option(&val, &opt, pdev); - adapter->imt = (u16) val; - } else - adapter->imt = (u16) (opt.def); - } -} - -/* - * atl1_pci_tbl - PCI Device ID Table - */ -static DEFINE_PCI_DEVICE_TABLE(atl1_pci_tbl) = { - {PCI_DEVICE(PCI_VENDOR_ID_ATTANSIC, PCI_DEVICE_ID_ATTANSIC_L1)}, - /* required last entry */ - {0,} -}; -MODULE_DEVICE_TABLE(pci, atl1_pci_tbl); - -static const u32 atl1_default_msg = NETIF_MSG_DRV | NETIF_MSG_PROBE | - NETIF_MSG_LINK | NETIF_MSG_TIMER | NETIF_MSG_IFDOWN | NETIF_MSG_IFUP; - -static int debug = -1; -module_param(debug, int, 0); -MODULE_PARM_DESC(debug, "Message level (0=none,...,16=all)"); - -/* - * Reset the transmit and receive units; mask and clear all interrupts. - * hw - Struct containing variables accessed by shared code - * return : 0 or idle status (if error) - */ -static s32 atl1_reset_hw(struct atl1_hw *hw) -{ - struct pci_dev *pdev = hw->back->pdev; - struct atl1_adapter *adapter = hw->back; - u32 icr; - int i; - - /* - * Clear Interrupt mask to stop board from generating - * interrupts & Clear any pending interrupt events - */ - /* - * iowrite32(0, hw->hw_addr + REG_IMR); - * iowrite32(0xffffffff, hw->hw_addr + REG_ISR); - */ - - /* - * Issue Soft Reset to the MAC. This will reset the chip's - * transmit, receive, DMA. It will not effect - * the current PCI configuration. The global reset bit is self- - * clearing, and should clear within a microsecond. - */ - iowrite32(MASTER_CTRL_SOFT_RST, hw->hw_addr + REG_MASTER_CTRL); - ioread32(hw->hw_addr + REG_MASTER_CTRL); - - iowrite16(1, hw->hw_addr + REG_PHY_ENABLE); - ioread16(hw->hw_addr + REG_PHY_ENABLE); - - /* delay about 1ms */ - msleep(1); - - /* Wait at least 10ms for All module to be Idle */ - for (i = 0; i < 10; i++) { - icr = ioread32(hw->hw_addr + REG_IDLE_STATUS); - if (!icr) - break; - /* delay 1 ms */ - msleep(1); - /* FIXME: still the right way to do this? */ - cpu_relax(); - } - - if (icr) { - if (netif_msg_hw(adapter)) - dev_dbg(&pdev->dev, "ICR = 0x%x\n", icr); - return icr; - } - - return 0; -} - -/* function about EEPROM - * - * check_eeprom_exist - * return 0 if eeprom exist - */ -static int atl1_check_eeprom_exist(struct atl1_hw *hw) -{ - u32 value; - value = ioread32(hw->hw_addr + REG_SPI_FLASH_CTRL); - if (value & SPI_FLASH_CTRL_EN_VPD) { - value &= ~SPI_FLASH_CTRL_EN_VPD; - iowrite32(value, hw->hw_addr + REG_SPI_FLASH_CTRL); - } - - value = ioread16(hw->hw_addr + REG_PCIE_CAP_LIST); - return ((value & 0xFF00) == 0x6C00) ? 0 : 1; -} - -static bool atl1_read_eeprom(struct atl1_hw *hw, u32 offset, u32 *p_value) -{ - int i; - u32 control; - - if (offset & 3) - /* address do not align */ - return false; - - iowrite32(0, hw->hw_addr + REG_VPD_DATA); - control = (offset & VPD_CAP_VPD_ADDR_MASK) << VPD_CAP_VPD_ADDR_SHIFT; - iowrite32(control, hw->hw_addr + REG_VPD_CAP); - ioread32(hw->hw_addr + REG_VPD_CAP); - - for (i = 0; i < 10; i++) { - msleep(2); - control = ioread32(hw->hw_addr + REG_VPD_CAP); - if (control & VPD_CAP_VPD_FLAG) - break; - } - if (control & VPD_CAP_VPD_FLAG) { - *p_value = ioread32(hw->hw_addr + REG_VPD_DATA); - return true; - } - /* timeout */ - return false; -} - -/* - * Reads the value from a PHY register - * hw - Struct containing variables accessed by shared code - * reg_addr - address of the PHY register to read - */ -static s32 atl1_read_phy_reg(struct atl1_hw *hw, u16 reg_addr, u16 *phy_data) -{ - u32 val; - int i; - - val = ((u32) (reg_addr & MDIO_REG_ADDR_MASK)) << MDIO_REG_ADDR_SHIFT | - MDIO_START | MDIO_SUP_PREAMBLE | MDIO_RW | MDIO_CLK_25_4 << - MDIO_CLK_SEL_SHIFT; - iowrite32(val, hw->hw_addr + REG_MDIO_CTRL); - ioread32(hw->hw_addr + REG_MDIO_CTRL); - - for (i = 0; i < MDIO_WAIT_TIMES; i++) { - udelay(2); - val = ioread32(hw->hw_addr + REG_MDIO_CTRL); - if (!(val & (MDIO_START | MDIO_BUSY))) - break; - } - if (!(val & (MDIO_START | MDIO_BUSY))) { - *phy_data = (u16) val; - return 0; - } - return ATLX_ERR_PHY; -} - -#define CUSTOM_SPI_CS_SETUP 2 -#define CUSTOM_SPI_CLK_HI 2 -#define CUSTOM_SPI_CLK_LO 2 -#define CUSTOM_SPI_CS_HOLD 2 -#define CUSTOM_SPI_CS_HI 3 - -static bool atl1_spi_read(struct atl1_hw *hw, u32 addr, u32 *buf) -{ - int i; - u32 value; - - iowrite32(0, hw->hw_addr + REG_SPI_DATA); - iowrite32(addr, hw->hw_addr + REG_SPI_ADDR); - - value = SPI_FLASH_CTRL_WAIT_READY | - (CUSTOM_SPI_CS_SETUP & SPI_FLASH_CTRL_CS_SETUP_MASK) << - SPI_FLASH_CTRL_CS_SETUP_SHIFT | (CUSTOM_SPI_CLK_HI & - SPI_FLASH_CTRL_CLK_HI_MASK) << - SPI_FLASH_CTRL_CLK_HI_SHIFT | (CUSTOM_SPI_CLK_LO & - SPI_FLASH_CTRL_CLK_LO_MASK) << - SPI_FLASH_CTRL_CLK_LO_SHIFT | (CUSTOM_SPI_CS_HOLD & - SPI_FLASH_CTRL_CS_HOLD_MASK) << - SPI_FLASH_CTRL_CS_HOLD_SHIFT | (CUSTOM_SPI_CS_HI & - SPI_FLASH_CTRL_CS_HI_MASK) << - SPI_FLASH_CTRL_CS_HI_SHIFT | (1 & SPI_FLASH_CTRL_INS_MASK) << - SPI_FLASH_CTRL_INS_SHIFT; - - iowrite32(value, hw->hw_addr + REG_SPI_FLASH_CTRL); - - value |= SPI_FLASH_CTRL_START; - iowrite32(value, hw->hw_addr + REG_SPI_FLASH_CTRL); - ioread32(hw->hw_addr + REG_SPI_FLASH_CTRL); - - for (i = 0; i < 10; i++) { - msleep(1); - value = ioread32(hw->hw_addr + REG_SPI_FLASH_CTRL); - if (!(value & SPI_FLASH_CTRL_START)) - break; - } - - if (value & SPI_FLASH_CTRL_START) - return false; - - *buf = ioread32(hw->hw_addr + REG_SPI_DATA); - - return true; -} - -/* - * get_permanent_address - * return 0 if get valid mac address, - */ -static int atl1_get_permanent_address(struct atl1_hw *hw) -{ - u32 addr[2]; - u32 i, control; - u16 reg; - u8 eth_addr[ETH_ALEN]; - bool key_valid; - - if (is_valid_ether_addr(hw->perm_mac_addr)) - return 0; - - /* init */ - addr[0] = addr[1] = 0; - - if (!atl1_check_eeprom_exist(hw)) { - reg = 0; - key_valid = false; - /* Read out all EEPROM content */ - i = 0; - while (1) { - if (atl1_read_eeprom(hw, i + 0x100, &control)) { - if (key_valid) { - if (reg == REG_MAC_STA_ADDR) - addr[0] = control; - else if (reg == (REG_MAC_STA_ADDR + 4)) - addr[1] = control; - key_valid = false; - } else if ((control & 0xff) == 0x5A) { - key_valid = true; - reg = (u16) (control >> 16); - } else - break; - } else - /* read error */ - break; - i += 4; - } - - *(u32 *) ð_addr[2] = swab32(addr[0]); - *(u16 *) ð_addr[0] = swab16(*(u16 *) &addr[1]); - if (is_valid_ether_addr(eth_addr)) { - memcpy(hw->perm_mac_addr, eth_addr, ETH_ALEN); - return 0; - } - } - - /* see if SPI FLAGS exist ? */ - addr[0] = addr[1] = 0; - reg = 0; - key_valid = false; - i = 0; - while (1) { - if (atl1_spi_read(hw, i + 0x1f000, &control)) { - if (key_valid) { - if (reg == REG_MAC_STA_ADDR) - addr[0] = control; - else if (reg == (REG_MAC_STA_ADDR + 4)) - addr[1] = control; - key_valid = false; - } else if ((control & 0xff) == 0x5A) { - key_valid = true; - reg = (u16) (control >> 16); - } else - /* data end */ - break; - } else - /* read error */ - break; - i += 4; - } - - *(u32 *) ð_addr[2] = swab32(addr[0]); - *(u16 *) ð_addr[0] = swab16(*(u16 *) &addr[1]); - if (is_valid_ether_addr(eth_addr)) { - memcpy(hw->perm_mac_addr, eth_addr, ETH_ALEN); - return 0; - } - - /* - * On some motherboards, the MAC address is written by the - * BIOS directly to the MAC register during POST, and is - * not stored in eeprom. If all else thus far has failed - * to fetch the permanent MAC address, try reading it directly. - */ - addr[0] = ioread32(hw->hw_addr + REG_MAC_STA_ADDR); - addr[1] = ioread16(hw->hw_addr + (REG_MAC_STA_ADDR + 4)); - *(u32 *) ð_addr[2] = swab32(addr[0]); - *(u16 *) ð_addr[0] = swab16(*(u16 *) &addr[1]); - if (is_valid_ether_addr(eth_addr)) { - memcpy(hw->perm_mac_addr, eth_addr, ETH_ALEN); - return 0; - } - - return 1; -} - -/* - * Reads the adapter's MAC address from the EEPROM - * hw - Struct containing variables accessed by shared code - */ -static s32 atl1_read_mac_addr(struct atl1_hw *hw) -{ - u16 i; - - if (atl1_get_permanent_address(hw)) - random_ether_addr(hw->perm_mac_addr); - - for (i = 0; i < ETH_ALEN; i++) - hw->mac_addr[i] = hw->perm_mac_addr[i]; - return 0; -} - -/* - * Hashes an address to determine its location in the multicast table - * hw - Struct containing variables accessed by shared code - * mc_addr - the multicast address to hash - * - * atl1_hash_mc_addr - * purpose - * set hash value for a multicast address - * hash calcu processing : - * 1. calcu 32bit CRC for multicast address - * 2. reverse crc with MSB to LSB - */ -static u32 atl1_hash_mc_addr(struct atl1_hw *hw, u8 *mc_addr) -{ - u32 crc32, value = 0; - int i; - - crc32 = ether_crc_le(6, mc_addr); - for (i = 0; i < 32; i++) - value |= (((crc32 >> i) & 1) << (31 - i)); - - return value; -} - -/* - * Sets the bit in the multicast table corresponding to the hash value. - * hw - Struct containing variables accessed by shared code - * hash_value - Multicast address hash value - */ -static void atl1_hash_set(struct atl1_hw *hw, u32 hash_value) -{ - u32 hash_bit, hash_reg; - u32 mta; - - /* - * The HASH Table is a register array of 2 32-bit registers. - * It is treated like an array of 64 bits. We want to set - * bit BitArray[hash_value]. So we figure out what register - * the bit is in, read it, OR in the new bit, then write - * back the new value. The register is determined by the - * upper 7 bits of the hash value and the bit within that - * register are determined by the lower 5 bits of the value. - */ - hash_reg = (hash_value >> 31) & 0x1; - hash_bit = (hash_value >> 26) & 0x1F; - mta = ioread32((hw->hw_addr + REG_RX_HASH_TABLE) + (hash_reg << 2)); - mta |= (1 << hash_bit); - iowrite32(mta, (hw->hw_addr + REG_RX_HASH_TABLE) + (hash_reg << 2)); -} - -/* - * Writes a value to a PHY register - * hw - Struct containing variables accessed by shared code - * reg_addr - address of the PHY register to write - * data - data to write to the PHY - */ -static s32 atl1_write_phy_reg(struct atl1_hw *hw, u32 reg_addr, u16 phy_data) -{ - int i; - u32 val; - - val = ((u32) (phy_data & MDIO_DATA_MASK)) << MDIO_DATA_SHIFT | - (reg_addr & MDIO_REG_ADDR_MASK) << MDIO_REG_ADDR_SHIFT | - MDIO_SUP_PREAMBLE | - MDIO_START | MDIO_CLK_25_4 << MDIO_CLK_SEL_SHIFT; - iowrite32(val, hw->hw_addr + REG_MDIO_CTRL); - ioread32(hw->hw_addr + REG_MDIO_CTRL); - - for (i = 0; i < MDIO_WAIT_TIMES; i++) { - udelay(2); - val = ioread32(hw->hw_addr + REG_MDIO_CTRL); - if (!(val & (MDIO_START | MDIO_BUSY))) - break; - } - - if (!(val & (MDIO_START | MDIO_BUSY))) - return 0; - - return ATLX_ERR_PHY; -} - -/* - * Make L001's PHY out of Power Saving State (bug) - * hw - Struct containing variables accessed by shared code - * when power on, L001's PHY always on Power saving State - * (Gigabit Link forbidden) - */ -static s32 atl1_phy_leave_power_saving(struct atl1_hw *hw) -{ - s32 ret; - ret = atl1_write_phy_reg(hw, 29, 0x0029); - if (ret) - return ret; - return atl1_write_phy_reg(hw, 30, 0); -} - -/* - * Resets the PHY and make all config validate - * hw - Struct containing variables accessed by shared code - * - * Sets bit 15 and 12 of the MII Control regiser (for F001 bug) - */ -static s32 atl1_phy_reset(struct atl1_hw *hw) -{ - struct pci_dev *pdev = hw->back->pdev; - struct atl1_adapter *adapter = hw->back; - s32 ret_val; - u16 phy_data; - - if (hw->media_type == MEDIA_TYPE_AUTO_SENSOR || - hw->media_type == MEDIA_TYPE_1000M_FULL) - phy_data = MII_CR_RESET | MII_CR_AUTO_NEG_EN; - else { - switch (hw->media_type) { - case MEDIA_TYPE_100M_FULL: - phy_data = - MII_CR_FULL_DUPLEX | MII_CR_SPEED_100 | - MII_CR_RESET; - break; - case MEDIA_TYPE_100M_HALF: - phy_data = MII_CR_SPEED_100 | MII_CR_RESET; - break; - case MEDIA_TYPE_10M_FULL: - phy_data = - MII_CR_FULL_DUPLEX | MII_CR_SPEED_10 | MII_CR_RESET; - break; - default: - /* MEDIA_TYPE_10M_HALF: */ - phy_data = MII_CR_SPEED_10 | MII_CR_RESET; - break; - } - } - - ret_val = atl1_write_phy_reg(hw, MII_BMCR, phy_data); - if (ret_val) { - u32 val; - int i; - /* pcie serdes link may be down! */ - if (netif_msg_hw(adapter)) - dev_dbg(&pdev->dev, "pcie phy link down\n"); - - for (i = 0; i < 25; i++) { - msleep(1); - val = ioread32(hw->hw_addr + REG_MDIO_CTRL); - if (!(val & (MDIO_START | MDIO_BUSY))) - break; - } - - if ((val & (MDIO_START | MDIO_BUSY)) != 0) { - if (netif_msg_hw(adapter)) - dev_warn(&pdev->dev, - "pcie link down at least 25ms\n"); - return ret_val; - } - } - return 0; -} - -/* - * Configures PHY autoneg and flow control advertisement settings - * hw - Struct containing variables accessed by shared code - */ -static s32 atl1_phy_setup_autoneg_adv(struct atl1_hw *hw) -{ - s32 ret_val; - s16 mii_autoneg_adv_reg; - s16 mii_1000t_ctrl_reg; - - /* Read the MII Auto-Neg Advertisement Register (Address 4). */ - mii_autoneg_adv_reg = MII_AR_DEFAULT_CAP_MASK; - - /* Read the MII 1000Base-T Control Register (Address 9). */ - mii_1000t_ctrl_reg = MII_ATLX_CR_1000T_DEFAULT_CAP_MASK; - - /* - * First we clear all the 10/100 mb speed bits in the Auto-Neg - * Advertisement Register (Address 4) and the 1000 mb speed bits in - * the 1000Base-T Control Register (Address 9). - */ - mii_autoneg_adv_reg &= ~MII_AR_SPEED_MASK; - mii_1000t_ctrl_reg &= ~MII_ATLX_CR_1000T_SPEED_MASK; - - /* - * Need to parse media_type and set up - * the appropriate PHY registers. - */ - switch (hw->media_type) { - case MEDIA_TYPE_AUTO_SENSOR: - mii_autoneg_adv_reg |= (MII_AR_10T_HD_CAPS | - MII_AR_10T_FD_CAPS | - MII_AR_100TX_HD_CAPS | - MII_AR_100TX_FD_CAPS); - mii_1000t_ctrl_reg |= MII_ATLX_CR_1000T_FD_CAPS; - break; - - case MEDIA_TYPE_1000M_FULL: - mii_1000t_ctrl_reg |= MII_ATLX_CR_1000T_FD_CAPS; - break; - - case MEDIA_TYPE_100M_FULL: - mii_autoneg_adv_reg |= MII_AR_100TX_FD_CAPS; - break; - - case MEDIA_TYPE_100M_HALF: - mii_autoneg_adv_reg |= MII_AR_100TX_HD_CAPS; - break; - - case MEDIA_TYPE_10M_FULL: - mii_autoneg_adv_reg |= MII_AR_10T_FD_CAPS; - break; - - default: - mii_autoneg_adv_reg |= MII_AR_10T_HD_CAPS; - break; - } - - /* flow control fixed to enable all */ - mii_autoneg_adv_reg |= (MII_AR_ASM_DIR | MII_AR_PAUSE); - - hw->mii_autoneg_adv_reg = mii_autoneg_adv_reg; - hw->mii_1000t_ctrl_reg = mii_1000t_ctrl_reg; - - ret_val = atl1_write_phy_reg(hw, MII_ADVERTISE, mii_autoneg_adv_reg); - if (ret_val) - return ret_val; - - ret_val = atl1_write_phy_reg(hw, MII_ATLX_CR, mii_1000t_ctrl_reg); - if (ret_val) - return ret_val; - - return 0; -} - -/* - * Configures link settings. - * hw - Struct containing variables accessed by shared code - * Assumes the hardware has previously been reset and the - * transmitter and receiver are not enabled. - */ -static s32 atl1_setup_link(struct atl1_hw *hw) -{ - struct pci_dev *pdev = hw->back->pdev; - struct atl1_adapter *adapter = hw->back; - s32 ret_val; - - /* - * Options: - * PHY will advertise value(s) parsed from - * autoneg_advertised and fc - * no matter what autoneg is , We will not wait link result. - */ - ret_val = atl1_phy_setup_autoneg_adv(hw); - if (ret_val) { - if (netif_msg_link(adapter)) - dev_dbg(&pdev->dev, - "error setting up autonegotiation\n"); - return ret_val; - } - /* SW.Reset , En-Auto-Neg if needed */ - ret_val = atl1_phy_reset(hw); - if (ret_val) { - if (netif_msg_link(adapter)) - dev_dbg(&pdev->dev, "error resetting phy\n"); - return ret_val; - } - hw->phy_configured = true; - return ret_val; -} - -static void atl1_init_flash_opcode(struct atl1_hw *hw) -{ - if (hw->flash_vendor >= ARRAY_SIZE(flash_table)) - /* Atmel */ - hw->flash_vendor = 0; - - /* Init OP table */ - iowrite8(flash_table[hw->flash_vendor].cmd_program, - hw->hw_addr + REG_SPI_FLASH_OP_PROGRAM); - iowrite8(flash_table[hw->flash_vendor].cmd_sector_erase, - hw->hw_addr + REG_SPI_FLASH_OP_SC_ERASE); - iowrite8(flash_table[hw->flash_vendor].cmd_chip_erase, - hw->hw_addr + REG_SPI_FLASH_OP_CHIP_ERASE); - iowrite8(flash_table[hw->flash_vendor].cmd_rdid, - hw->hw_addr + REG_SPI_FLASH_OP_RDID); - iowrite8(flash_table[hw->flash_vendor].cmd_wren, - hw->hw_addr + REG_SPI_FLASH_OP_WREN); - iowrite8(flash_table[hw->flash_vendor].cmd_rdsr, - hw->hw_addr + REG_SPI_FLASH_OP_RDSR); - iowrite8(flash_table[hw->flash_vendor].cmd_wrsr, - hw->hw_addr + REG_SPI_FLASH_OP_WRSR); - iowrite8(flash_table[hw->flash_vendor].cmd_read, - hw->hw_addr + REG_SPI_FLASH_OP_READ); -} - -/* - * Performs basic configuration of the adapter. - * hw - Struct containing variables accessed by shared code - * Assumes that the controller has previously been reset and is in a - * post-reset uninitialized state. Initializes multicast table, - * and Calls routines to setup link - * Leaves the transmit and receive units disabled and uninitialized. - */ -static s32 atl1_init_hw(struct atl1_hw *hw) -{ - u32 ret_val = 0; - - /* Zero out the Multicast HASH table */ - iowrite32(0, hw->hw_addr + REG_RX_HASH_TABLE); - /* clear the old settings from the multicast hash table */ - iowrite32(0, (hw->hw_addr + REG_RX_HASH_TABLE) + (1 << 2)); - - atl1_init_flash_opcode(hw); - - if (!hw->phy_configured) { - /* enable GPHY LinkChange Interrrupt */ - ret_val = atl1_write_phy_reg(hw, 18, 0xC00); - if (ret_val) - return ret_val; - /* make PHY out of power-saving state */ - ret_val = atl1_phy_leave_power_saving(hw); - if (ret_val) - return ret_val; - /* Call a subroutine to configure the link */ - ret_val = atl1_setup_link(hw); - } - return ret_val; -} - -/* - * Detects the current speed and duplex settings of the hardware. - * hw - Struct containing variables accessed by shared code - * speed - Speed of the connection - * duplex - Duplex setting of the connection - */ -static s32 atl1_get_speed_and_duplex(struct atl1_hw *hw, u16 *speed, u16 *duplex) -{ - struct pci_dev *pdev = hw->back->pdev; - struct atl1_adapter *adapter = hw->back; - s32 ret_val; - u16 phy_data; - - /* ; --- Read PHY Specific Status Register (17) */ - ret_val = atl1_read_phy_reg(hw, MII_ATLX_PSSR, &phy_data); - if (ret_val) - return ret_val; - - if (!(phy_data & MII_ATLX_PSSR_SPD_DPLX_RESOLVED)) - return ATLX_ERR_PHY_RES; - - switch (phy_data & MII_ATLX_PSSR_SPEED) { - case MII_ATLX_PSSR_1000MBS: - *speed = SPEED_1000; - break; - case MII_ATLX_PSSR_100MBS: - *speed = SPEED_100; - break; - case MII_ATLX_PSSR_10MBS: - *speed = SPEED_10; - break; - default: - if (netif_msg_hw(adapter)) - dev_dbg(&pdev->dev, "error getting speed\n"); - return ATLX_ERR_PHY_SPEED; - break; - } - if (phy_data & MII_ATLX_PSSR_DPLX) - *duplex = FULL_DUPLEX; - else - *duplex = HALF_DUPLEX; - - return 0; -} - -static void atl1_set_mac_addr(struct atl1_hw *hw) -{ - u32 value; - /* - * 00-0B-6A-F6-00-DC - * 0: 6AF600DC 1: 000B - * low dword - */ - value = (((u32) hw->mac_addr[2]) << 24) | - (((u32) hw->mac_addr[3]) << 16) | - (((u32) hw->mac_addr[4]) << 8) | (((u32) hw->mac_addr[5])); - iowrite32(value, hw->hw_addr + REG_MAC_STA_ADDR); - /* high dword */ - value = (((u32) hw->mac_addr[0]) << 8) | (((u32) hw->mac_addr[1])); - iowrite32(value, (hw->hw_addr + REG_MAC_STA_ADDR) + (1 << 2)); -} - -/* - * atl1_sw_init - Initialize general software structures (struct atl1_adapter) - * @adapter: board private structure to initialize - * - * atl1_sw_init initializes the Adapter private data structure. - * Fields are initialized based on PCI device information and - * OS network device settings (MTU size). - */ -static int __devinit atl1_sw_init(struct atl1_adapter *adapter) -{ - struct atl1_hw *hw = &adapter->hw; - struct net_device *netdev = adapter->netdev; - - hw->max_frame_size = netdev->mtu + ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN; - hw->min_frame_size = ETH_ZLEN + ETH_FCS_LEN; - - adapter->wol = 0; - device_set_wakeup_enable(&adapter->pdev->dev, false); - adapter->rx_buffer_len = (hw->max_frame_size + 7) & ~7; - adapter->ict = 50000; /* 100ms */ - adapter->link_speed = SPEED_0; /* hardware init */ - adapter->link_duplex = FULL_DUPLEX; - - hw->phy_configured = false; - hw->preamble_len = 7; - hw->ipgt = 0x60; - hw->min_ifg = 0x50; - hw->ipgr1 = 0x40; - hw->ipgr2 = 0x60; - hw->max_retry = 0xf; - hw->lcol = 0x37; - hw->jam_ipg = 7; - hw->rfd_burst = 8; - hw->rrd_burst = 8; - hw->rfd_fetch_gap = 1; - hw->rx_jumbo_th = adapter->rx_buffer_len / 8; - hw->rx_jumbo_lkah = 1; - hw->rrd_ret_timer = 16; - hw->tpd_burst = 4; - hw->tpd_fetch_th = 16; - hw->txf_burst = 0x100; - hw->tx_jumbo_task_th = (hw->max_frame_size + 7) >> 3; - hw->tpd_fetch_gap = 1; - hw->rcb_value = atl1_rcb_64; - hw->dma_ord = atl1_dma_ord_enh; - hw->dmar_block = atl1_dma_req_256; - hw->dmaw_block = atl1_dma_req_256; - hw->cmb_rrd = 4; - hw->cmb_tpd = 4; - hw->cmb_rx_timer = 1; /* about 2us */ - hw->cmb_tx_timer = 1; /* about 2us */ - hw->smb_timer = 100000; /* about 200ms */ - - spin_lock_init(&adapter->lock); - spin_lock_init(&adapter->mb_lock); - - return 0; -} - -static int mdio_read(struct net_device *netdev, int phy_id, int reg_num) -{ - struct atl1_adapter *adapter = netdev_priv(netdev); - u16 result; - - atl1_read_phy_reg(&adapter->hw, reg_num & 0x1f, &result); - - return result; -} - -static void mdio_write(struct net_device *netdev, int phy_id, int reg_num, - int val) -{ - struct atl1_adapter *adapter = netdev_priv(netdev); - - atl1_write_phy_reg(&adapter->hw, reg_num, val); -} - -/* - * atl1_mii_ioctl - - * @netdev: - * @ifreq: - * @cmd: - */ -static int atl1_mii_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) -{ - struct atl1_adapter *adapter = netdev_priv(netdev); - unsigned long flags; - int retval; - - if (!netif_running(netdev)) - return -EINVAL; - - spin_lock_irqsave(&adapter->lock, flags); - retval = generic_mii_ioctl(&adapter->mii, if_mii(ifr), cmd, NULL); - spin_unlock_irqrestore(&adapter->lock, flags); - - return retval; -} - -/* - * atl1_setup_mem_resources - allocate Tx / RX descriptor resources - * @adapter: board private structure - * - * Return 0 on success, negative on failure - */ -static s32 atl1_setup_ring_resources(struct atl1_adapter *adapter) -{ - struct atl1_tpd_ring *tpd_ring = &adapter->tpd_ring; - struct atl1_rfd_ring *rfd_ring = &adapter->rfd_ring; - struct atl1_rrd_ring *rrd_ring = &adapter->rrd_ring; - struct atl1_ring_header *ring_header = &adapter->ring_header; - struct pci_dev *pdev = adapter->pdev; - int size; - u8 offset = 0; - - size = sizeof(struct atl1_buffer) * (tpd_ring->count + rfd_ring->count); - tpd_ring->buffer_info = kzalloc(size, GFP_KERNEL); - if (unlikely(!tpd_ring->buffer_info)) { - if (netif_msg_drv(adapter)) - dev_err(&pdev->dev, "kzalloc failed , size = D%d\n", - size); - goto err_nomem; - } - rfd_ring->buffer_info = - (struct atl1_buffer *)(tpd_ring->buffer_info + tpd_ring->count); - - /* - * real ring DMA buffer - * each ring/block may need up to 8 bytes for alignment, hence the - * additional 40 bytes tacked onto the end. - */ - ring_header->size = size = - sizeof(struct tx_packet_desc) * tpd_ring->count - + sizeof(struct rx_free_desc) * rfd_ring->count - + sizeof(struct rx_return_desc) * rrd_ring->count - + sizeof(struct coals_msg_block) - + sizeof(struct stats_msg_block) - + 40; - - ring_header->desc = pci_alloc_consistent(pdev, ring_header->size, - &ring_header->dma); - if (unlikely(!ring_header->desc)) { - if (netif_msg_drv(adapter)) - dev_err(&pdev->dev, "pci_alloc_consistent failed\n"); - goto err_nomem; - } - - memset(ring_header->desc, 0, ring_header->size); - - /* init TPD ring */ - tpd_ring->dma = ring_header->dma; - offset = (tpd_ring->dma & 0x7) ? (8 - (ring_header->dma & 0x7)) : 0; - tpd_ring->dma += offset; - tpd_ring->desc = (u8 *) ring_header->desc + offset; - tpd_ring->size = sizeof(struct tx_packet_desc) * tpd_ring->count; - - /* init RFD ring */ - rfd_ring->dma = tpd_ring->dma + tpd_ring->size; - offset = (rfd_ring->dma & 0x7) ? (8 - (rfd_ring->dma & 0x7)) : 0; - rfd_ring->dma += offset; - rfd_ring->desc = (u8 *) tpd_ring->desc + (tpd_ring->size + offset); - rfd_ring->size = sizeof(struct rx_free_desc) * rfd_ring->count; - - - /* init RRD ring */ - rrd_ring->dma = rfd_ring->dma + rfd_ring->size; - offset = (rrd_ring->dma & 0x7) ? (8 - (rrd_ring->dma & 0x7)) : 0; - rrd_ring->dma += offset; - rrd_ring->desc = (u8 *) rfd_ring->desc + (rfd_ring->size + offset); - rrd_ring->size = sizeof(struct rx_return_desc) * rrd_ring->count; - - - /* init CMB */ - adapter->cmb.dma = rrd_ring->dma + rrd_ring->size; - offset = (adapter->cmb.dma & 0x7) ? (8 - (adapter->cmb.dma & 0x7)) : 0; - adapter->cmb.dma += offset; - adapter->cmb.cmb = (struct coals_msg_block *) - ((u8 *) rrd_ring->desc + (rrd_ring->size + offset)); - - /* init SMB */ - adapter->smb.dma = adapter->cmb.dma + sizeof(struct coals_msg_block); - offset = (adapter->smb.dma & 0x7) ? (8 - (adapter->smb.dma & 0x7)) : 0; - adapter->smb.dma += offset; - adapter->smb.smb = (struct stats_msg_block *) - ((u8 *) adapter->cmb.cmb + - (sizeof(struct coals_msg_block) + offset)); - - return 0; - -err_nomem: - kfree(tpd_ring->buffer_info); - return -ENOMEM; -} - -static void atl1_init_ring_ptrs(struct atl1_adapter *adapter) -{ - struct atl1_tpd_ring *tpd_ring = &adapter->tpd_ring; - struct atl1_rfd_ring *rfd_ring = &adapter->rfd_ring; - struct atl1_rrd_ring *rrd_ring = &adapter->rrd_ring; - - atomic_set(&tpd_ring->next_to_use, 0); - atomic_set(&tpd_ring->next_to_clean, 0); - - rfd_ring->next_to_clean = 0; - atomic_set(&rfd_ring->next_to_use, 0); - - rrd_ring->next_to_use = 0; - atomic_set(&rrd_ring->next_to_clean, 0); -} - -/* - * atl1_clean_rx_ring - Free RFD Buffers - * @adapter: board private structure - */ -static void atl1_clean_rx_ring(struct atl1_adapter *adapter) -{ - struct atl1_rfd_ring *rfd_ring = &adapter->rfd_ring; - struct atl1_rrd_ring *rrd_ring = &adapter->rrd_ring; - struct atl1_buffer *buffer_info; - struct pci_dev *pdev = adapter->pdev; - unsigned long size; - unsigned int i; - - /* Free all the Rx ring sk_buffs */ - for (i = 0; i < rfd_ring->count; i++) { - buffer_info = &rfd_ring->buffer_info[i]; - if (buffer_info->dma) { - pci_unmap_page(pdev, buffer_info->dma, - buffer_info->length, PCI_DMA_FROMDEVICE); - buffer_info->dma = 0; - } - if (buffer_info->skb) { - dev_kfree_skb(buffer_info->skb); - buffer_info->skb = NULL; - } - } - - size = sizeof(struct atl1_buffer) * rfd_ring->count; - memset(rfd_ring->buffer_info, 0, size); - - /* Zero out the descriptor ring */ - memset(rfd_ring->desc, 0, rfd_ring->size); - - rfd_ring->next_to_clean = 0; - atomic_set(&rfd_ring->next_to_use, 0); - - rrd_ring->next_to_use = 0; - atomic_set(&rrd_ring->next_to_clean, 0); -} - -/* - * atl1_clean_tx_ring - Free Tx Buffers - * @adapter: board private structure - */ -static void atl1_clean_tx_ring(struct atl1_adapter *adapter) -{ - struct atl1_tpd_ring *tpd_ring = &adapter->tpd_ring; - struct atl1_buffer *buffer_info; - struct pci_dev *pdev = adapter->pdev; - unsigned long size; - unsigned int i; - - /* Free all the Tx ring sk_buffs */ - for (i = 0; i < tpd_ring->count; i++) { - buffer_info = &tpd_ring->buffer_info[i]; - if (buffer_info->dma) { - pci_unmap_page(pdev, buffer_info->dma, - buffer_info->length, PCI_DMA_TODEVICE); - buffer_info->dma = 0; - } - } - - for (i = 0; i < tpd_ring->count; i++) { - buffer_info = &tpd_ring->buffer_info[i]; - if (buffer_info->skb) { - dev_kfree_skb_any(buffer_info->skb); - buffer_info->skb = NULL; - } - } - - size = sizeof(struct atl1_buffer) * tpd_ring->count; - memset(tpd_ring->buffer_info, 0, size); - - /* Zero out the descriptor ring */ - memset(tpd_ring->desc, 0, tpd_ring->size); - - atomic_set(&tpd_ring->next_to_use, 0); - atomic_set(&tpd_ring->next_to_clean, 0); -} - -/* - * atl1_free_ring_resources - Free Tx / RX descriptor Resources - * @adapter: board private structure - * - * Free all transmit software resources - */ -static void atl1_free_ring_resources(struct atl1_adapter *adapter) -{ - struct pci_dev *pdev = adapter->pdev; - struct atl1_tpd_ring *tpd_ring = &adapter->tpd_ring; - struct atl1_rfd_ring *rfd_ring = &adapter->rfd_ring; - struct atl1_rrd_ring *rrd_ring = &adapter->rrd_ring; - struct atl1_ring_header *ring_header = &adapter->ring_header; - - atl1_clean_tx_ring(adapter); - atl1_clean_rx_ring(adapter); - - kfree(tpd_ring->buffer_info); - pci_free_consistent(pdev, ring_header->size, ring_header->desc, - ring_header->dma); - - tpd_ring->buffer_info = NULL; - tpd_ring->desc = NULL; - tpd_ring->dma = 0; - - rfd_ring->buffer_info = NULL; - rfd_ring->desc = NULL; - rfd_ring->dma = 0; - - rrd_ring->desc = NULL; - rrd_ring->dma = 0; - - adapter->cmb.dma = 0; - adapter->cmb.cmb = NULL; - - adapter->smb.dma = 0; - adapter->smb.smb = NULL; -} - -static void atl1_setup_mac_ctrl(struct atl1_adapter *adapter) -{ - u32 value; - struct atl1_hw *hw = &adapter->hw; - struct net_device *netdev = adapter->netdev; - /* Config MAC CTRL Register */ - value = MAC_CTRL_TX_EN | MAC_CTRL_RX_EN; - /* duplex */ - if (FULL_DUPLEX == adapter->link_duplex) - value |= MAC_CTRL_DUPLX; - /* speed */ - value |= ((u32) ((SPEED_1000 == adapter->link_speed) ? - MAC_CTRL_SPEED_1000 : MAC_CTRL_SPEED_10_100) << - MAC_CTRL_SPEED_SHIFT); - /* flow control */ - value |= (MAC_CTRL_TX_FLOW | MAC_CTRL_RX_FLOW); - /* PAD & CRC */ - value |= (MAC_CTRL_ADD_CRC | MAC_CTRL_PAD); - /* preamble length */ - value |= (((u32) adapter->hw.preamble_len - & MAC_CTRL_PRMLEN_MASK) << MAC_CTRL_PRMLEN_SHIFT); - /* vlan */ - __atlx_vlan_mode(netdev->features, &value); - /* rx checksum - if (adapter->rx_csum) - value |= MAC_CTRL_RX_CHKSUM_EN; - */ - /* filter mode */ - value |= MAC_CTRL_BC_EN; - if (netdev->flags & IFF_PROMISC) - value |= MAC_CTRL_PROMIS_EN; - else if (netdev->flags & IFF_ALLMULTI) - value |= MAC_CTRL_MC_ALL_EN; - /* value |= MAC_CTRL_LOOPBACK; */ - iowrite32(value, hw->hw_addr + REG_MAC_CTRL); -} - -static u32 atl1_check_link(struct atl1_adapter *adapter) -{ - struct atl1_hw *hw = &adapter->hw; - struct net_device *netdev = adapter->netdev; - u32 ret_val; - u16 speed, duplex, phy_data; - int reconfig = 0; - - /* MII_BMSR must read twice */ - atl1_read_phy_reg(hw, MII_BMSR, &phy_data); - atl1_read_phy_reg(hw, MII_BMSR, &phy_data); - if (!(phy_data & BMSR_LSTATUS)) { - /* link down */ - if (netif_carrier_ok(netdev)) { - /* old link state: Up */ - if (netif_msg_link(adapter)) - dev_info(&adapter->pdev->dev, "link is down\n"); - adapter->link_speed = SPEED_0; - netif_carrier_off(netdev); - } - return 0; - } - - /* Link Up */ - ret_val = atl1_get_speed_and_duplex(hw, &speed, &duplex); - if (ret_val) - return ret_val; - - switch (hw->media_type) { - case MEDIA_TYPE_1000M_FULL: - if (speed != SPEED_1000 || duplex != FULL_DUPLEX) - reconfig = 1; - break; - case MEDIA_TYPE_100M_FULL: - if (speed != SPEED_100 || duplex != FULL_DUPLEX) - reconfig = 1; - break; - case MEDIA_TYPE_100M_HALF: - if (speed != SPEED_100 || duplex != HALF_DUPLEX) - reconfig = 1; - break; - case MEDIA_TYPE_10M_FULL: - if (speed != SPEED_10 || duplex != FULL_DUPLEX) - reconfig = 1; - break; - case MEDIA_TYPE_10M_HALF: - if (speed != SPEED_10 || duplex != HALF_DUPLEX) - reconfig = 1; - break; - } - - /* link result is our setting */ - if (!reconfig) { - if (adapter->link_speed != speed || - adapter->link_duplex != duplex) { - adapter->link_speed = speed; - adapter->link_duplex = duplex; - atl1_setup_mac_ctrl(adapter); - if (netif_msg_link(adapter)) - dev_info(&adapter->pdev->dev, - "%s link is up %d Mbps %s\n", - netdev->name, adapter->link_speed, - adapter->link_duplex == FULL_DUPLEX ? - "full duplex" : "half duplex"); - } - if (!netif_carrier_ok(netdev)) { - /* Link down -> Up */ - netif_carrier_on(netdev); - } - return 0; - } - - /* change original link status */ - if (netif_carrier_ok(netdev)) { - adapter->link_speed = SPEED_0; - netif_carrier_off(netdev); - netif_stop_queue(netdev); - } - - if (hw->media_type != MEDIA_TYPE_AUTO_SENSOR && - hw->media_type != MEDIA_TYPE_1000M_FULL) { - switch (hw->media_type) { - case MEDIA_TYPE_100M_FULL: - phy_data = MII_CR_FULL_DUPLEX | MII_CR_SPEED_100 | - MII_CR_RESET; - break; - case MEDIA_TYPE_100M_HALF: - phy_data = MII_CR_SPEED_100 | MII_CR_RESET; - break; - case MEDIA_TYPE_10M_FULL: - phy_data = - MII_CR_FULL_DUPLEX | MII_CR_SPEED_10 | MII_CR_RESET; - break; - default: - /* MEDIA_TYPE_10M_HALF: */ - phy_data = MII_CR_SPEED_10 | MII_CR_RESET; - break; - } - atl1_write_phy_reg(hw, MII_BMCR, phy_data); - return 0; - } - - /* auto-neg, insert timer to re-config phy */ - if (!adapter->phy_timer_pending) { - adapter->phy_timer_pending = true; - mod_timer(&adapter->phy_config_timer, - round_jiffies(jiffies + 3 * HZ)); - } - - return 0; -} - -static void set_flow_ctrl_old(struct atl1_adapter *adapter) -{ - u32 hi, lo, value; - - /* RFD Flow Control */ - value = adapter->rfd_ring.count; - hi = value / 16; - if (hi < 2) - hi = 2; - lo = value * 7 / 8; - - value = ((hi & RXQ_RXF_PAUSE_TH_HI_MASK) << RXQ_RXF_PAUSE_TH_HI_SHIFT) | - ((lo & RXQ_RXF_PAUSE_TH_LO_MASK) << RXQ_RXF_PAUSE_TH_LO_SHIFT); - iowrite32(value, adapter->hw.hw_addr + REG_RXQ_RXF_PAUSE_THRESH); - - /* RRD Flow Control */ - value = adapter->rrd_ring.count; - lo = value / 16; - hi = value * 7 / 8; - if (lo < 2) - lo = 2; - value = ((hi & RXQ_RRD_PAUSE_TH_HI_MASK) << RXQ_RRD_PAUSE_TH_HI_SHIFT) | - ((lo & RXQ_RRD_PAUSE_TH_LO_MASK) << RXQ_RRD_PAUSE_TH_LO_SHIFT); - iowrite32(value, adapter->hw.hw_addr + REG_RXQ_RRD_PAUSE_THRESH); -} - -static void set_flow_ctrl_new(struct atl1_hw *hw) -{ - u32 hi, lo, value; - - /* RXF Flow Control */ - value = ioread32(hw->hw_addr + REG_SRAM_RXF_LEN); - lo = value / 16; - if (lo < 192) - lo = 192; - hi = value * 7 / 8; - if (hi < lo) - hi = lo + 16; - value = ((hi & RXQ_RXF_PAUSE_TH_HI_MASK) << RXQ_RXF_PAUSE_TH_HI_SHIFT) | - ((lo & RXQ_RXF_PAUSE_TH_LO_MASK) << RXQ_RXF_PAUSE_TH_LO_SHIFT); - iowrite32(value, hw->hw_addr + REG_RXQ_RXF_PAUSE_THRESH); - - /* RRD Flow Control */ - value = ioread32(hw->hw_addr + REG_SRAM_RRD_LEN); - lo = value / 8; - hi = value * 7 / 8; - if (lo < 2) - lo = 2; - if (hi < lo) - hi = lo + 3; - value = ((hi & RXQ_RRD_PAUSE_TH_HI_MASK) << RXQ_RRD_PAUSE_TH_HI_SHIFT) | - ((lo & RXQ_RRD_PAUSE_TH_LO_MASK) << RXQ_RRD_PAUSE_TH_LO_SHIFT); - iowrite32(value, hw->hw_addr + REG_RXQ_RRD_PAUSE_THRESH); -} - -/* - * atl1_configure - Configure Transmit&Receive Unit after Reset - * @adapter: board private structure - * - * Configure the Tx /Rx unit of the MAC after a reset. - */ -static u32 atl1_configure(struct atl1_adapter *adapter) -{ - struct atl1_hw *hw = &adapter->hw; - u32 value; - - /* clear interrupt status */ - iowrite32(0xffffffff, adapter->hw.hw_addr + REG_ISR); - - /* set MAC Address */ - value = (((u32) hw->mac_addr[2]) << 24) | - (((u32) hw->mac_addr[3]) << 16) | - (((u32) hw->mac_addr[4]) << 8) | - (((u32) hw->mac_addr[5])); - iowrite32(value, hw->hw_addr + REG_MAC_STA_ADDR); - value = (((u32) hw->mac_addr[0]) << 8) | (((u32) hw->mac_addr[1])); - iowrite32(value, hw->hw_addr + (REG_MAC_STA_ADDR + 4)); - - /* tx / rx ring */ - - /* HI base address */ - iowrite32((u32) ((adapter->tpd_ring.dma & 0xffffffff00000000ULL) >> 32), - hw->hw_addr + REG_DESC_BASE_ADDR_HI); - /* LO base address */ - iowrite32((u32) (adapter->rfd_ring.dma & 0x00000000ffffffffULL), - hw->hw_addr + REG_DESC_RFD_ADDR_LO); - iowrite32((u32) (adapter->rrd_ring.dma & 0x00000000ffffffffULL), - hw->hw_addr + REG_DESC_RRD_ADDR_LO); - iowrite32((u32) (adapter->tpd_ring.dma & 0x00000000ffffffffULL), - hw->hw_addr + REG_DESC_TPD_ADDR_LO); - iowrite32((u32) (adapter->cmb.dma & 0x00000000ffffffffULL), - hw->hw_addr + REG_DESC_CMB_ADDR_LO); - iowrite32((u32) (adapter->smb.dma & 0x00000000ffffffffULL), - hw->hw_addr + REG_DESC_SMB_ADDR_LO); - - /* element count */ - value = adapter->rrd_ring.count; - value <<= 16; - value += adapter->rfd_ring.count; - iowrite32(value, hw->hw_addr + REG_DESC_RFD_RRD_RING_SIZE); - iowrite32(adapter->tpd_ring.count, hw->hw_addr + - REG_DESC_TPD_RING_SIZE); - - /* Load Ptr */ - iowrite32(1, hw->hw_addr + REG_LOAD_PTR); - - /* config Mailbox */ - value = ((atomic_read(&adapter->tpd_ring.next_to_use) - & MB_TPD_PROD_INDX_MASK) << MB_TPD_PROD_INDX_SHIFT) | - ((atomic_read(&adapter->rrd_ring.next_to_clean) - & MB_RRD_CONS_INDX_MASK) << MB_RRD_CONS_INDX_SHIFT) | - ((atomic_read(&adapter->rfd_ring.next_to_use) - & MB_RFD_PROD_INDX_MASK) << MB_RFD_PROD_INDX_SHIFT); - iowrite32(value, hw->hw_addr + REG_MAILBOX); - - /* config IPG/IFG */ - value = (((u32) hw->ipgt & MAC_IPG_IFG_IPGT_MASK) - << MAC_IPG_IFG_IPGT_SHIFT) | - (((u32) hw->min_ifg & MAC_IPG_IFG_MIFG_MASK) - << MAC_IPG_IFG_MIFG_SHIFT) | - (((u32) hw->ipgr1 & MAC_IPG_IFG_IPGR1_MASK) - << MAC_IPG_IFG_IPGR1_SHIFT) | - (((u32) hw->ipgr2 & MAC_IPG_IFG_IPGR2_MASK) - << MAC_IPG_IFG_IPGR2_SHIFT); - iowrite32(value, hw->hw_addr + REG_MAC_IPG_IFG); - - /* config Half-Duplex Control */ - value = ((u32) hw->lcol & MAC_HALF_DUPLX_CTRL_LCOL_MASK) | - (((u32) hw->max_retry & MAC_HALF_DUPLX_CTRL_RETRY_MASK) - << MAC_HALF_DUPLX_CTRL_RETRY_SHIFT) | - MAC_HALF_DUPLX_CTRL_EXC_DEF_EN | - (0xa << MAC_HALF_DUPLX_CTRL_ABEBT_SHIFT) | - (((u32) hw->jam_ipg & MAC_HALF_DUPLX_CTRL_JAMIPG_MASK) - << MAC_HALF_DUPLX_CTRL_JAMIPG_SHIFT); - iowrite32(value, hw->hw_addr + REG_MAC_HALF_DUPLX_CTRL); - - /* set Interrupt Moderator Timer */ - iowrite16(adapter->imt, hw->hw_addr + REG_IRQ_MODU_TIMER_INIT); - iowrite32(MASTER_CTRL_ITIMER_EN, hw->hw_addr + REG_MASTER_CTRL); - - /* set Interrupt Clear Timer */ - iowrite16(adapter->ict, hw->hw_addr + REG_CMBDISDMA_TIMER); - - /* set max frame size hw will accept */ - iowrite32(hw->max_frame_size, hw->hw_addr + REG_MTU); - - /* jumbo size & rrd retirement timer */ - value = (((u32) hw->rx_jumbo_th & RXQ_JMBOSZ_TH_MASK) - << RXQ_JMBOSZ_TH_SHIFT) | - (((u32) hw->rx_jumbo_lkah & RXQ_JMBO_LKAH_MASK) - << RXQ_JMBO_LKAH_SHIFT) | - (((u32) hw->rrd_ret_timer & RXQ_RRD_TIMER_MASK) - << RXQ_RRD_TIMER_SHIFT); - iowrite32(value, hw->hw_addr + REG_RXQ_JMBOSZ_RRDTIM); - - /* Flow Control */ - switch (hw->dev_rev) { - case 0x8001: - case 0x9001: - case 0x9002: - case 0x9003: - set_flow_ctrl_old(adapter); - break; - default: - set_flow_ctrl_new(hw); - break; - } - - /* config TXQ */ - value = (((u32) hw->tpd_burst & TXQ_CTRL_TPD_BURST_NUM_MASK) - << TXQ_CTRL_TPD_BURST_NUM_SHIFT) | - (((u32) hw->txf_burst & TXQ_CTRL_TXF_BURST_NUM_MASK) - << TXQ_CTRL_TXF_BURST_NUM_SHIFT) | - (((u32) hw->tpd_fetch_th & TXQ_CTRL_TPD_FETCH_TH_MASK) - << TXQ_CTRL_TPD_FETCH_TH_SHIFT) | TXQ_CTRL_ENH_MODE | - TXQ_CTRL_EN; - iowrite32(value, hw->hw_addr + REG_TXQ_CTRL); - - /* min tpd fetch gap & tx jumbo packet size threshold for taskoffload */ - value = (((u32) hw->tx_jumbo_task_th & TX_JUMBO_TASK_TH_MASK) - << TX_JUMBO_TASK_TH_SHIFT) | - (((u32) hw->tpd_fetch_gap & TX_TPD_MIN_IPG_MASK) - << TX_TPD_MIN_IPG_SHIFT); - iowrite32(value, hw->hw_addr + REG_TX_JUMBO_TASK_TH_TPD_IPG); - - /* config RXQ */ - value = (((u32) hw->rfd_burst & RXQ_CTRL_RFD_BURST_NUM_MASK) - << RXQ_CTRL_RFD_BURST_NUM_SHIFT) | - (((u32) hw->rrd_burst & RXQ_CTRL_RRD_BURST_THRESH_MASK) - << RXQ_CTRL_RRD_BURST_THRESH_SHIFT) | - (((u32) hw->rfd_fetch_gap & RXQ_CTRL_RFD_PREF_MIN_IPG_MASK) - << RXQ_CTRL_RFD_PREF_MIN_IPG_SHIFT) | RXQ_CTRL_CUT_THRU_EN | - RXQ_CTRL_EN; - iowrite32(value, hw->hw_addr + REG_RXQ_CTRL); - - /* config DMA Engine */ - value = ((((u32) hw->dmar_block) & DMA_CTRL_DMAR_BURST_LEN_MASK) - << DMA_CTRL_DMAR_BURST_LEN_SHIFT) | - ((((u32) hw->dmaw_block) & DMA_CTRL_DMAW_BURST_LEN_MASK) - << DMA_CTRL_DMAW_BURST_LEN_SHIFT) | DMA_CTRL_DMAR_EN | - DMA_CTRL_DMAW_EN; - value |= (u32) hw->dma_ord; - if (atl1_rcb_128 == hw->rcb_value) - value |= DMA_CTRL_RCB_VALUE; - iowrite32(value, hw->hw_addr + REG_DMA_CTRL); - - /* config CMB / SMB */ - value = (hw->cmb_tpd > adapter->tpd_ring.count) ? - hw->cmb_tpd : adapter->tpd_ring.count; - value <<= 16; - value |= hw->cmb_rrd; - iowrite32(value, hw->hw_addr + REG_CMB_WRITE_TH); - value = hw->cmb_rx_timer | ((u32) hw->cmb_tx_timer << 16); - iowrite32(value, hw->hw_addr + REG_CMB_WRITE_TIMER); - iowrite32(hw->smb_timer, hw->hw_addr + REG_SMB_TIMER); - - /* --- enable CMB / SMB */ - value = CSMB_CTRL_CMB_EN | CSMB_CTRL_SMB_EN; - iowrite32(value, hw->hw_addr + REG_CSMB_CTRL); - - value = ioread32(adapter->hw.hw_addr + REG_ISR); - if (unlikely((value & ISR_PHY_LINKDOWN) != 0)) - value = 1; /* config failed */ - else - value = 0; - - /* clear all interrupt status */ - iowrite32(0x3fffffff, adapter->hw.hw_addr + REG_ISR); - iowrite32(0, adapter->hw.hw_addr + REG_ISR); - return value; -} - -/* - * atl1_pcie_patch - Patch for PCIE module - */ -static void atl1_pcie_patch(struct atl1_adapter *adapter) -{ - u32 value; - - /* much vendor magic here */ - value = 0x6500; - iowrite32(value, adapter->hw.hw_addr + 0x12FC); - /* pcie flow control mode change */ - value = ioread32(adapter->hw.hw_addr + 0x1008); - value |= 0x8000; - iowrite32(value, adapter->hw.hw_addr + 0x1008); -} - -/* - * When ACPI resume on some VIA MotherBoard, the Interrupt Disable bit/0x400 - * on PCI Command register is disable. - * The function enable this bit. - * Brackett, 2006/03/15 - */ -static void atl1_via_workaround(struct atl1_adapter *adapter) -{ - unsigned long value; - - value = ioread16(adapter->hw.hw_addr + PCI_COMMAND); - if (value & PCI_COMMAND_INTX_DISABLE) - value &= ~PCI_COMMAND_INTX_DISABLE; - iowrite32(value, adapter->hw.hw_addr + PCI_COMMAND); -} - -static void atl1_inc_smb(struct atl1_adapter *adapter) -{ - struct net_device *netdev = adapter->netdev; - struct stats_msg_block *smb = adapter->smb.smb; - - /* Fill out the OS statistics structure */ - adapter->soft_stats.rx_packets += smb->rx_ok; - adapter->soft_stats.tx_packets += smb->tx_ok; - adapter->soft_stats.rx_bytes += smb->rx_byte_cnt; - adapter->soft_stats.tx_bytes += smb->tx_byte_cnt; - adapter->soft_stats.multicast += smb->rx_mcast; - adapter->soft_stats.collisions += (smb->tx_1_col + smb->tx_2_col * 2 + - smb->tx_late_col + smb->tx_abort_col * adapter->hw.max_retry); - - /* Rx Errors */ - adapter->soft_stats.rx_errors += (smb->rx_frag + smb->rx_fcs_err + - smb->rx_len_err + smb->rx_sz_ov + smb->rx_rxf_ov + - smb->rx_rrd_ov + smb->rx_align_err); - adapter->soft_stats.rx_fifo_errors += smb->rx_rxf_ov; - adapter->soft_stats.rx_length_errors += smb->rx_len_err; - adapter->soft_stats.rx_crc_errors += smb->rx_fcs_err; - adapter->soft_stats.rx_frame_errors += smb->rx_align_err; - adapter->soft_stats.rx_missed_errors += (smb->rx_rrd_ov + - smb->rx_rxf_ov); - - adapter->soft_stats.rx_pause += smb->rx_pause; - adapter->soft_stats.rx_rrd_ov += smb->rx_rrd_ov; - adapter->soft_stats.rx_trunc += smb->rx_sz_ov; - - /* Tx Errors */ - adapter->soft_stats.tx_errors += (smb->tx_late_col + - smb->tx_abort_col + smb->tx_underrun + smb->tx_trunc); - adapter->soft_stats.tx_fifo_errors += smb->tx_underrun; - adapter->soft_stats.tx_aborted_errors += smb->tx_abort_col; - adapter->soft_stats.tx_window_errors += smb->tx_late_col; - - adapter->soft_stats.excecol += smb->tx_abort_col; - adapter->soft_stats.deffer += smb->tx_defer; - adapter->soft_stats.scc += smb->tx_1_col; - adapter->soft_stats.mcc += smb->tx_2_col; - adapter->soft_stats.latecol += smb->tx_late_col; - adapter->soft_stats.tx_underun += smb->tx_underrun; - adapter->soft_stats.tx_trunc += smb->tx_trunc; - adapter->soft_stats.tx_pause += smb->tx_pause; - - netdev->stats.rx_packets = adapter->soft_stats.rx_packets; - netdev->stats.tx_packets = adapter->soft_stats.tx_packets; - netdev->stats.rx_bytes = adapter->soft_stats.rx_bytes; - netdev->stats.tx_bytes = adapter->soft_stats.tx_bytes; - netdev->stats.multicast = adapter->soft_stats.multicast; - netdev->stats.collisions = adapter->soft_stats.collisions; - netdev->stats.rx_errors = adapter->soft_stats.rx_errors; - netdev->stats.rx_over_errors = - adapter->soft_stats.rx_missed_errors; - netdev->stats.rx_length_errors = - adapter->soft_stats.rx_length_errors; - netdev->stats.rx_crc_errors = adapter->soft_stats.rx_crc_errors; - netdev->stats.rx_frame_errors = - adapter->soft_stats.rx_frame_errors; - netdev->stats.rx_fifo_errors = adapter->soft_stats.rx_fifo_errors; - netdev->stats.rx_missed_errors = - adapter->soft_stats.rx_missed_errors; - netdev->stats.tx_errors = adapter->soft_stats.tx_errors; - netdev->stats.tx_fifo_errors = adapter->soft_stats.tx_fifo_errors; - netdev->stats.tx_aborted_errors = - adapter->soft_stats.tx_aborted_errors; - netdev->stats.tx_window_errors = - adapter->soft_stats.tx_window_errors; - netdev->stats.tx_carrier_errors = - adapter->soft_stats.tx_carrier_errors; -} - -static void atl1_update_mailbox(struct atl1_adapter *adapter) -{ - unsigned long flags; - u32 tpd_next_to_use; - u32 rfd_next_to_use; - u32 rrd_next_to_clean; - u32 value; - - spin_lock_irqsave(&adapter->mb_lock, flags); - - tpd_next_to_use = atomic_read(&adapter->tpd_ring.next_to_use); - rfd_next_to_use = atomic_read(&adapter->rfd_ring.next_to_use); - rrd_next_to_clean = atomic_read(&adapter->rrd_ring.next_to_clean); - - value = ((rfd_next_to_use & MB_RFD_PROD_INDX_MASK) << - MB_RFD_PROD_INDX_SHIFT) | - ((rrd_next_to_clean & MB_RRD_CONS_INDX_MASK) << - MB_RRD_CONS_INDX_SHIFT) | - ((tpd_next_to_use & MB_TPD_PROD_INDX_MASK) << - MB_TPD_PROD_INDX_SHIFT); - iowrite32(value, adapter->hw.hw_addr + REG_MAILBOX); - - spin_unlock_irqrestore(&adapter->mb_lock, flags); -} - -static void atl1_clean_alloc_flag(struct atl1_adapter *adapter, - struct rx_return_desc *rrd, u16 offset) -{ - struct atl1_rfd_ring *rfd_ring = &adapter->rfd_ring; - - while (rfd_ring->next_to_clean != (rrd->buf_indx + offset)) { - rfd_ring->buffer_info[rfd_ring->next_to_clean].alloced = 0; - if (++rfd_ring->next_to_clean == rfd_ring->count) { - rfd_ring->next_to_clean = 0; - } - } -} - -static void atl1_update_rfd_index(struct atl1_adapter *adapter, - struct rx_return_desc *rrd) -{ - u16 num_buf; - - num_buf = (rrd->xsz.xsum_sz.pkt_size + adapter->rx_buffer_len - 1) / - adapter->rx_buffer_len; - if (rrd->num_buf == num_buf) - /* clean alloc flag for bad rrd */ - atl1_clean_alloc_flag(adapter, rrd, num_buf); -} - -static void atl1_rx_checksum(struct atl1_adapter *adapter, - struct rx_return_desc *rrd, struct sk_buff *skb) -{ - struct pci_dev *pdev = adapter->pdev; - - /* - * The L1 hardware contains a bug that erroneously sets the - * PACKET_FLAG_ERR and ERR_FLAG_L4_CHKSUM bits whenever a - * fragmented IP packet is received, even though the packet - * is perfectly valid and its checksum is correct. There's - * no way to distinguish between one of these good packets - * and a packet that actually contains a TCP/UDP checksum - * error, so all we can do is allow it to be handed up to - * the higher layers and let it be sorted out there. - */ - - skb_checksum_none_assert(skb); - - if (unlikely(rrd->pkt_flg & PACKET_FLAG_ERR)) { - if (rrd->err_flg & (ERR_FLAG_CRC | ERR_FLAG_TRUNC | - ERR_FLAG_CODE | ERR_FLAG_OV)) { - adapter->hw_csum_err++; - if (netif_msg_rx_err(adapter)) - dev_printk(KERN_DEBUG, &pdev->dev, - "rx checksum error\n"); - return; - } - } - - /* not IPv4 */ - if (!(rrd->pkt_flg & PACKET_FLAG_IPV4)) - /* checksum is invalid, but it's not an IPv4 pkt, so ok */ - return; - - /* IPv4 packet */ - if (likely(!(rrd->err_flg & - (ERR_FLAG_IP_CHKSUM | ERR_FLAG_L4_CHKSUM)))) { - skb->ip_summed = CHECKSUM_UNNECESSARY; - adapter->hw_csum_good++; - return; - } -} - -/* - * atl1_alloc_rx_buffers - Replace used receive buffers - * @adapter: address of board private structure - */ -static u16 atl1_alloc_rx_buffers(struct atl1_adapter *adapter) -{ - struct atl1_rfd_ring *rfd_ring = &adapter->rfd_ring; - struct pci_dev *pdev = adapter->pdev; - struct page *page; - unsigned long offset; - struct atl1_buffer *buffer_info, *next_info; - struct sk_buff *skb; - u16 num_alloc = 0; - u16 rfd_next_to_use, next_next; - struct rx_free_desc *rfd_desc; - - next_next = rfd_next_to_use = atomic_read(&rfd_ring->next_to_use); - if (++next_next == rfd_ring->count) - next_next = 0; - buffer_info = &rfd_ring->buffer_info[rfd_next_to_use]; - next_info = &rfd_ring->buffer_info[next_next]; - - while (!buffer_info->alloced && !next_info->alloced) { - if (buffer_info->skb) { - buffer_info->alloced = 1; - goto next; - } - - rfd_desc = ATL1_RFD_DESC(rfd_ring, rfd_next_to_use); - - skb = netdev_alloc_skb_ip_align(adapter->netdev, - adapter->rx_buffer_len); - if (unlikely(!skb)) { - /* Better luck next round */ - adapter->netdev->stats.rx_dropped++; - break; - } - - buffer_info->alloced = 1; - buffer_info->skb = skb; - buffer_info->length = (u16) adapter->rx_buffer_len; - page = virt_to_page(skb->data); - offset = (unsigned long)skb->data & ~PAGE_MASK; - buffer_info->dma = pci_map_page(pdev, page, offset, - adapter->rx_buffer_len, - PCI_DMA_FROMDEVICE); - rfd_desc->buffer_addr = cpu_to_le64(buffer_info->dma); - rfd_desc->buf_len = cpu_to_le16(adapter->rx_buffer_len); - rfd_desc->coalese = 0; - -next: - rfd_next_to_use = next_next; - if (unlikely(++next_next == rfd_ring->count)) - next_next = 0; - - buffer_info = &rfd_ring->buffer_info[rfd_next_to_use]; - next_info = &rfd_ring->buffer_info[next_next]; - num_alloc++; - } - - if (num_alloc) { - /* - * Force memory writes to complete before letting h/w - * know there are new descriptors to fetch. (Only - * applicable for weak-ordered memory model archs, - * such as IA-64). - */ - wmb(); - atomic_set(&rfd_ring->next_to_use, (int)rfd_next_to_use); - } - return num_alloc; -} - -static void atl1_intr_rx(struct atl1_adapter *adapter) -{ - int i, count; - u16 length; - u16 rrd_next_to_clean; - u32 value; - struct atl1_rfd_ring *rfd_ring = &adapter->rfd_ring; - struct atl1_rrd_ring *rrd_ring = &adapter->rrd_ring; - struct atl1_buffer *buffer_info; - struct rx_return_desc *rrd; - struct sk_buff *skb; - - count = 0; - - rrd_next_to_clean = atomic_read(&rrd_ring->next_to_clean); - - while (1) { - rrd = ATL1_RRD_DESC(rrd_ring, rrd_next_to_clean); - i = 1; - if (likely(rrd->xsz.valid)) { /* packet valid */ -chk_rrd: - /* check rrd status */ - if (likely(rrd->num_buf == 1)) - goto rrd_ok; - else if (netif_msg_rx_err(adapter)) { - dev_printk(KERN_DEBUG, &adapter->pdev->dev, - "unexpected RRD buffer count\n"); - dev_printk(KERN_DEBUG, &adapter->pdev->dev, - "rx_buf_len = %d\n", - adapter->rx_buffer_len); - dev_printk(KERN_DEBUG, &adapter->pdev->dev, - "RRD num_buf = %d\n", - rrd->num_buf); - dev_printk(KERN_DEBUG, &adapter->pdev->dev, - "RRD pkt_len = %d\n", - rrd->xsz.xsum_sz.pkt_size); - dev_printk(KERN_DEBUG, &adapter->pdev->dev, - "RRD pkt_flg = 0x%08X\n", - rrd->pkt_flg); - dev_printk(KERN_DEBUG, &adapter->pdev->dev, - "RRD err_flg = 0x%08X\n", - rrd->err_flg); - dev_printk(KERN_DEBUG, &adapter->pdev->dev, - "RRD vlan_tag = 0x%08X\n", - rrd->vlan_tag); - } - - /* rrd seems to be bad */ - if (unlikely(i-- > 0)) { - /* rrd may not be DMAed completely */ - udelay(1); - goto chk_rrd; - } - /* bad rrd */ - if (netif_msg_rx_err(adapter)) - dev_printk(KERN_DEBUG, &adapter->pdev->dev, - "bad RRD\n"); - /* see if update RFD index */ - if (rrd->num_buf > 1) - atl1_update_rfd_index(adapter, rrd); - - /* update rrd */ - rrd->xsz.valid = 0; - if (++rrd_next_to_clean == rrd_ring->count) - rrd_next_to_clean = 0; - count++; - continue; - } else { /* current rrd still not be updated */ - - break; - } -rrd_ok: - /* clean alloc flag for bad rrd */ - atl1_clean_alloc_flag(adapter, rrd, 0); - - buffer_info = &rfd_ring->buffer_info[rrd->buf_indx]; - if (++rfd_ring->next_to_clean == rfd_ring->count) - rfd_ring->next_to_clean = 0; - - /* update rrd next to clean */ - if (++rrd_next_to_clean == rrd_ring->count) - rrd_next_to_clean = 0; - count++; - - if (unlikely(rrd->pkt_flg & PACKET_FLAG_ERR)) { - if (!(rrd->err_flg & - (ERR_FLAG_IP_CHKSUM | ERR_FLAG_L4_CHKSUM - | ERR_FLAG_LEN))) { - /* packet error, don't need upstream */ - buffer_info->alloced = 0; - rrd->xsz.valid = 0; - continue; - } - } - - /* Good Receive */ - pci_unmap_page(adapter->pdev, buffer_info->dma, - buffer_info->length, PCI_DMA_FROMDEVICE); - buffer_info->dma = 0; - skb = buffer_info->skb; - length = le16_to_cpu(rrd->xsz.xsum_sz.pkt_size); - - skb_put(skb, length - ETH_FCS_LEN); - - /* Receive Checksum Offload */ - atl1_rx_checksum(adapter, rrd, skb); - skb->protocol = eth_type_trans(skb, adapter->netdev); - - if (rrd->pkt_flg & PACKET_FLAG_VLAN_INS) { - u16 vlan_tag = (rrd->vlan_tag >> 4) | - ((rrd->vlan_tag & 7) << 13) | - ((rrd->vlan_tag & 8) << 9); - - __vlan_hwaccel_put_tag(skb, vlan_tag); - } - netif_rx(skb); - - /* let protocol layer free skb */ - buffer_info->skb = NULL; - buffer_info->alloced = 0; - rrd->xsz.valid = 0; - } - - atomic_set(&rrd_ring->next_to_clean, rrd_next_to_clean); - - atl1_alloc_rx_buffers(adapter); - - /* update mailbox ? */ - if (count) { - u32 tpd_next_to_use; - u32 rfd_next_to_use; - - spin_lock(&adapter->mb_lock); - - tpd_next_to_use = atomic_read(&adapter->tpd_ring.next_to_use); - rfd_next_to_use = - atomic_read(&adapter->rfd_ring.next_to_use); - rrd_next_to_clean = - atomic_read(&adapter->rrd_ring.next_to_clean); - value = ((rfd_next_to_use & MB_RFD_PROD_INDX_MASK) << - MB_RFD_PROD_INDX_SHIFT) | - ((rrd_next_to_clean & MB_RRD_CONS_INDX_MASK) << - MB_RRD_CONS_INDX_SHIFT) | - ((tpd_next_to_use & MB_TPD_PROD_INDX_MASK) << - MB_TPD_PROD_INDX_SHIFT); - iowrite32(value, adapter->hw.hw_addr + REG_MAILBOX); - spin_unlock(&adapter->mb_lock); - } -} - -static void atl1_intr_tx(struct atl1_adapter *adapter) -{ - struct atl1_tpd_ring *tpd_ring = &adapter->tpd_ring; - struct atl1_buffer *buffer_info; - u16 sw_tpd_next_to_clean; - u16 cmb_tpd_next_to_clean; - - sw_tpd_next_to_clean = atomic_read(&tpd_ring->next_to_clean); - cmb_tpd_next_to_clean = le16_to_cpu(adapter->cmb.cmb->tpd_cons_idx); - - while (cmb_tpd_next_to_clean != sw_tpd_next_to_clean) { - buffer_info = &tpd_ring->buffer_info[sw_tpd_next_to_clean]; - if (buffer_info->dma) { - pci_unmap_page(adapter->pdev, buffer_info->dma, - buffer_info->length, PCI_DMA_TODEVICE); - buffer_info->dma = 0; - } - - if (buffer_info->skb) { - dev_kfree_skb_irq(buffer_info->skb); - buffer_info->skb = NULL; - } - - if (++sw_tpd_next_to_clean == tpd_ring->count) - sw_tpd_next_to_clean = 0; - } - atomic_set(&tpd_ring->next_to_clean, sw_tpd_next_to_clean); - - if (netif_queue_stopped(adapter->netdev) && - netif_carrier_ok(adapter->netdev)) - netif_wake_queue(adapter->netdev); -} - -static u16 atl1_tpd_avail(struct atl1_tpd_ring *tpd_ring) -{ - u16 next_to_clean = atomic_read(&tpd_ring->next_to_clean); - u16 next_to_use = atomic_read(&tpd_ring->next_to_use); - return (next_to_clean > next_to_use) ? - next_to_clean - next_to_use - 1 : - tpd_ring->count + next_to_clean - next_to_use - 1; -} - -static int atl1_tso(struct atl1_adapter *adapter, struct sk_buff *skb, - struct tx_packet_desc *ptpd) -{ - u8 hdr_len, ip_off; - u32 real_len; - int err; - - if (skb_shinfo(skb)->gso_size) { - if (skb_header_cloned(skb)) { - err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC); - if (unlikely(err)) - return -1; - } - - if (skb->protocol == htons(ETH_P_IP)) { - struct iphdr *iph = ip_hdr(skb); - - real_len = (((unsigned char *)iph - skb->data) + - ntohs(iph->tot_len)); - if (real_len < skb->len) - pskb_trim(skb, real_len); - hdr_len = (skb_transport_offset(skb) + tcp_hdrlen(skb)); - if (skb->len == hdr_len) { - iph->check = 0; - tcp_hdr(skb)->check = - ~csum_tcpudp_magic(iph->saddr, - iph->daddr, tcp_hdrlen(skb), - IPPROTO_TCP, 0); - ptpd->word3 |= (iph->ihl & TPD_IPHL_MASK) << - TPD_IPHL_SHIFT; - ptpd->word3 |= ((tcp_hdrlen(skb) >> 2) & - TPD_TCPHDRLEN_MASK) << - TPD_TCPHDRLEN_SHIFT; - ptpd->word3 |= 1 << TPD_IP_CSUM_SHIFT; - ptpd->word3 |= 1 << TPD_TCP_CSUM_SHIFT; - return 1; - } - - iph->check = 0; - tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr, - iph->daddr, 0, IPPROTO_TCP, 0); - ip_off = (unsigned char *)iph - - (unsigned char *) skb_network_header(skb); - if (ip_off == 8) /* 802.3-SNAP frame */ - ptpd->word3 |= 1 << TPD_ETHTYPE_SHIFT; - else if (ip_off != 0) - return -2; - - ptpd->word3 |= (iph->ihl & TPD_IPHL_MASK) << - TPD_IPHL_SHIFT; - ptpd->word3 |= ((tcp_hdrlen(skb) >> 2) & - TPD_TCPHDRLEN_MASK) << TPD_TCPHDRLEN_SHIFT; - ptpd->word3 |= (skb_shinfo(skb)->gso_size & - TPD_MSS_MASK) << TPD_MSS_SHIFT; - ptpd->word3 |= 1 << TPD_SEGMENT_EN_SHIFT; - return 3; - } - } - return false; -} - -static int atl1_tx_csum(struct atl1_adapter *adapter, struct sk_buff *skb, - struct tx_packet_desc *ptpd) -{ - u8 css, cso; - - if (likely(skb->ip_summed == CHECKSUM_PARTIAL)) { - css = skb_checksum_start_offset(skb); - cso = css + (u8) skb->csum_offset; - if (unlikely(css & 0x1)) { - /* L1 hardware requires an even number here */ - if (netif_msg_tx_err(adapter)) - dev_printk(KERN_DEBUG, &adapter->pdev->dev, - "payload offset not an even number\n"); - return -1; - } - ptpd->word3 |= (css & TPD_PLOADOFFSET_MASK) << - TPD_PLOADOFFSET_SHIFT; - ptpd->word3 |= (cso & TPD_CCSUMOFFSET_MASK) << - TPD_CCSUMOFFSET_SHIFT; - ptpd->word3 |= 1 << TPD_CUST_CSUM_EN_SHIFT; - return true; - } - return 0; -} - -static void atl1_tx_map(struct atl1_adapter *adapter, struct sk_buff *skb, - struct tx_packet_desc *ptpd) -{ - struct atl1_tpd_ring *tpd_ring = &adapter->tpd_ring; - struct atl1_buffer *buffer_info; - u16 buf_len = skb->len; - struct page *page; - unsigned long offset; - unsigned int nr_frags; - unsigned int f; - int retval; - u16 next_to_use; - u16 data_len; - u8 hdr_len; - - buf_len -= skb->data_len; - nr_frags = skb_shinfo(skb)->nr_frags; - next_to_use = atomic_read(&tpd_ring->next_to_use); - buffer_info = &tpd_ring->buffer_info[next_to_use]; - BUG_ON(buffer_info->skb); - /* put skb in last TPD */ - buffer_info->skb = NULL; - - retval = (ptpd->word3 >> TPD_SEGMENT_EN_SHIFT) & TPD_SEGMENT_EN_MASK; - if (retval) { - /* TSO */ - hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb); - buffer_info->length = hdr_len; - page = virt_to_page(skb->data); - offset = (unsigned long)skb->data & ~PAGE_MASK; - buffer_info->dma = pci_map_page(adapter->pdev, page, - offset, hdr_len, - PCI_DMA_TODEVICE); - - if (++next_to_use == tpd_ring->count) - next_to_use = 0; - - if (buf_len > hdr_len) { - int i, nseg; - - data_len = buf_len - hdr_len; - nseg = (data_len + ATL1_MAX_TX_BUF_LEN - 1) / - ATL1_MAX_TX_BUF_LEN; - for (i = 0; i < nseg; i++) { - buffer_info = - &tpd_ring->buffer_info[next_to_use]; - buffer_info->skb = NULL; - buffer_info->length = - (ATL1_MAX_TX_BUF_LEN >= - data_len) ? ATL1_MAX_TX_BUF_LEN : data_len; - data_len -= buffer_info->length; - page = virt_to_page(skb->data + - (hdr_len + i * ATL1_MAX_TX_BUF_LEN)); - offset = (unsigned long)(skb->data + - (hdr_len + i * ATL1_MAX_TX_BUF_LEN)) & - ~PAGE_MASK; - buffer_info->dma = pci_map_page(adapter->pdev, - page, offset, buffer_info->length, - PCI_DMA_TODEVICE); - if (++next_to_use == tpd_ring->count) - next_to_use = 0; - } - } - } else { - /* not TSO */ - buffer_info->length = buf_len; - page = virt_to_page(skb->data); - offset = (unsigned long)skb->data & ~PAGE_MASK; - buffer_info->dma = pci_map_page(adapter->pdev, page, - offset, buf_len, PCI_DMA_TODEVICE); - if (++next_to_use == tpd_ring->count) - next_to_use = 0; - } - - for (f = 0; f < nr_frags; f++) { - struct skb_frag_struct *frag; - u16 i, nseg; - - frag = &skb_shinfo(skb)->frags[f]; - buf_len = frag->size; - - nseg = (buf_len + ATL1_MAX_TX_BUF_LEN - 1) / - ATL1_MAX_TX_BUF_LEN; - for (i = 0; i < nseg; i++) { - buffer_info = &tpd_ring->buffer_info[next_to_use]; - BUG_ON(buffer_info->skb); - - buffer_info->skb = NULL; - buffer_info->length = (buf_len > ATL1_MAX_TX_BUF_LEN) ? - ATL1_MAX_TX_BUF_LEN : buf_len; - buf_len -= buffer_info->length; - buffer_info->dma = pci_map_page(adapter->pdev, - frag->page, - frag->page_offset + (i * ATL1_MAX_TX_BUF_LEN), - buffer_info->length, PCI_DMA_TODEVICE); - - if (++next_to_use == tpd_ring->count) - next_to_use = 0; - } - } - - /* last tpd's buffer-info */ - buffer_info->skb = skb; -} - -static void atl1_tx_queue(struct atl1_adapter *adapter, u16 count, - struct tx_packet_desc *ptpd) -{ - struct atl1_tpd_ring *tpd_ring = &adapter->tpd_ring; - struct atl1_buffer *buffer_info; - struct tx_packet_desc *tpd; - u16 j; - u32 val; - u16 next_to_use = (u16) atomic_read(&tpd_ring->next_to_use); - - for (j = 0; j < count; j++) { - buffer_info = &tpd_ring->buffer_info[next_to_use]; - tpd = ATL1_TPD_DESC(&adapter->tpd_ring, next_to_use); - if (tpd != ptpd) - memcpy(tpd, ptpd, sizeof(struct tx_packet_desc)); - tpd->buffer_addr = cpu_to_le64(buffer_info->dma); - tpd->word2 &= ~(TPD_BUFLEN_MASK << TPD_BUFLEN_SHIFT); - tpd->word2 |= (cpu_to_le16(buffer_info->length) & - TPD_BUFLEN_MASK) << TPD_BUFLEN_SHIFT; - - /* - * if this is the first packet in a TSO chain, set - * TPD_HDRFLAG, otherwise, clear it. - */ - val = (tpd->word3 >> TPD_SEGMENT_EN_SHIFT) & - TPD_SEGMENT_EN_MASK; - if (val) { - if (!j) - tpd->word3 |= 1 << TPD_HDRFLAG_SHIFT; - else - tpd->word3 &= ~(1 << TPD_HDRFLAG_SHIFT); - } - - if (j == (count - 1)) - tpd->word3 |= 1 << TPD_EOP_SHIFT; - - if (++next_to_use == tpd_ring->count) - next_to_use = 0; - } - /* - * Force memory writes to complete before letting h/w - * know there are new descriptors to fetch. (Only - * applicable for weak-ordered memory model archs, - * such as IA-64). - */ - wmb(); - - atomic_set(&tpd_ring->next_to_use, next_to_use); -} - -static netdev_tx_t atl1_xmit_frame(struct sk_buff *skb, - struct net_device *netdev) -{ - struct atl1_adapter *adapter = netdev_priv(netdev); - struct atl1_tpd_ring *tpd_ring = &adapter->tpd_ring; - int len; - int tso; - int count = 1; - int ret_val; - struct tx_packet_desc *ptpd; - u16 frag_size; - u16 vlan_tag; - unsigned int nr_frags = 0; - unsigned int mss = 0; - unsigned int f; - unsigned int proto_hdr_len; - - len = skb_headlen(skb); - - if (unlikely(skb->len <= 0)) { - dev_kfree_skb_any(skb); - return NETDEV_TX_OK; - } - - nr_frags = skb_shinfo(skb)->nr_frags; - for (f = 0; f < nr_frags; f++) { - frag_size = skb_shinfo(skb)->frags[f].size; - if (frag_size) - count += (frag_size + ATL1_MAX_TX_BUF_LEN - 1) / - ATL1_MAX_TX_BUF_LEN; - } - - mss = skb_shinfo(skb)->gso_size; - if (mss) { - if (skb->protocol == htons(ETH_P_IP)) { - proto_hdr_len = (skb_transport_offset(skb) + - tcp_hdrlen(skb)); - if (unlikely(proto_hdr_len > len)) { - dev_kfree_skb_any(skb); - return NETDEV_TX_OK; - } - /* need additional TPD ? */ - if (proto_hdr_len != len) - count += (len - proto_hdr_len + - ATL1_MAX_TX_BUF_LEN - 1) / - ATL1_MAX_TX_BUF_LEN; - } - } - - if (atl1_tpd_avail(&adapter->tpd_ring) < count) { - /* not enough descriptors */ - netif_stop_queue(netdev); - if (netif_msg_tx_queued(adapter)) - dev_printk(KERN_DEBUG, &adapter->pdev->dev, - "tx busy\n"); - return NETDEV_TX_BUSY; - } - - ptpd = ATL1_TPD_DESC(tpd_ring, - (u16) atomic_read(&tpd_ring->next_to_use)); - memset(ptpd, 0, sizeof(struct tx_packet_desc)); - - if (vlan_tx_tag_present(skb)) { - vlan_tag = vlan_tx_tag_get(skb); - vlan_tag = (vlan_tag << 4) | (vlan_tag >> 13) | - ((vlan_tag >> 9) & 0x8); - ptpd->word3 |= 1 << TPD_INS_VL_TAG_SHIFT; - ptpd->word2 |= (vlan_tag & TPD_VLANTAG_MASK) << - TPD_VLANTAG_SHIFT; - } - - tso = atl1_tso(adapter, skb, ptpd); - if (tso < 0) { - dev_kfree_skb_any(skb); - return NETDEV_TX_OK; - } - - if (!tso) { - ret_val = atl1_tx_csum(adapter, skb, ptpd); - if (ret_val < 0) { - dev_kfree_skb_any(skb); - return NETDEV_TX_OK; - } - } - - atl1_tx_map(adapter, skb, ptpd); - atl1_tx_queue(adapter, count, ptpd); - atl1_update_mailbox(adapter); - mmiowb(); - return NETDEV_TX_OK; -} - -/* - * atl1_intr - Interrupt Handler - * @irq: interrupt number - * @data: pointer to a network interface device structure - * @pt_regs: CPU registers structure - */ -static irqreturn_t atl1_intr(int irq, void *data) -{ - struct atl1_adapter *adapter = netdev_priv(data); - u32 status; - int max_ints = 10; - - status = adapter->cmb.cmb->int_stats; - if (!status) - return IRQ_NONE; - - do { - /* clear CMB interrupt status at once */ - adapter->cmb.cmb->int_stats = 0; - - if (status & ISR_GPHY) /* clear phy status */ - atlx_clear_phy_int(adapter); - - /* clear ISR status, and Enable CMB DMA/Disable Interrupt */ - iowrite32(status | ISR_DIS_INT, adapter->hw.hw_addr + REG_ISR); - - /* check if SMB intr */ - if (status & ISR_SMB) - atl1_inc_smb(adapter); - - /* check if PCIE PHY Link down */ - if (status & ISR_PHY_LINKDOWN) { - if (netif_msg_intr(adapter)) - dev_printk(KERN_DEBUG, &adapter->pdev->dev, - "pcie phy link down %x\n", status); - if (netif_running(adapter->netdev)) { /* reset MAC */ - iowrite32(0, adapter->hw.hw_addr + REG_IMR); - schedule_work(&adapter->pcie_dma_to_rst_task); - return IRQ_HANDLED; - } - } - - /* check if DMA read/write error ? */ - if (status & (ISR_DMAR_TO_RST | ISR_DMAW_TO_RST)) { - if (netif_msg_intr(adapter)) - dev_printk(KERN_DEBUG, &adapter->pdev->dev, - "pcie DMA r/w error (status = 0x%x)\n", - status); - iowrite32(0, adapter->hw.hw_addr + REG_IMR); - schedule_work(&adapter->pcie_dma_to_rst_task); - return IRQ_HANDLED; - } - - /* link event */ - if (status & ISR_GPHY) { - adapter->soft_stats.tx_carrier_errors++; - atl1_check_for_link(adapter); - } - - /* transmit event */ - if (status & ISR_CMB_TX) - atl1_intr_tx(adapter); - - /* rx exception */ - if (unlikely(status & (ISR_RXF_OV | ISR_RFD_UNRUN | - ISR_RRD_OV | ISR_HOST_RFD_UNRUN | - ISR_HOST_RRD_OV | ISR_CMB_RX))) { - if (status & (ISR_RXF_OV | ISR_RFD_UNRUN | - ISR_RRD_OV | ISR_HOST_RFD_UNRUN | - ISR_HOST_RRD_OV)) - if (netif_msg_intr(adapter)) - dev_printk(KERN_DEBUG, - &adapter->pdev->dev, - "rx exception, ISR = 0x%x\n", - status); - atl1_intr_rx(adapter); - } - - if (--max_ints < 0) - break; - - } while ((status = adapter->cmb.cmb->int_stats)); - - /* re-enable Interrupt */ - iowrite32(ISR_DIS_SMB | ISR_DIS_DMA, adapter->hw.hw_addr + REG_ISR); - return IRQ_HANDLED; -} - - -/* - * atl1_phy_config - Timer Call-back - * @data: pointer to netdev cast into an unsigned long - */ -static void atl1_phy_config(unsigned long data) -{ - struct atl1_adapter *adapter = (struct atl1_adapter *)data; - struct atl1_hw *hw = &adapter->hw; - unsigned long flags; - - spin_lock_irqsave(&adapter->lock, flags); - adapter->phy_timer_pending = false; - atl1_write_phy_reg(hw, MII_ADVERTISE, hw->mii_autoneg_adv_reg); - atl1_write_phy_reg(hw, MII_ATLX_CR, hw->mii_1000t_ctrl_reg); - atl1_write_phy_reg(hw, MII_BMCR, MII_CR_RESET | MII_CR_AUTO_NEG_EN); - spin_unlock_irqrestore(&adapter->lock, flags); -} - -/* - * Orphaned vendor comment left intact here: - * - * If TPD Buffer size equal to 0, PCIE DMAR_TO_INT - * will assert. We do soft reset <0x1400=1> according - * with the SPEC. BUT, it seemes that PCIE or DMA - * state-machine will not be reset. DMAR_TO_INT will - * assert again and again. - * - */ - -static int atl1_reset(struct atl1_adapter *adapter) -{ - int ret; - ret = atl1_reset_hw(&adapter->hw); - if (ret) - return ret; - return atl1_init_hw(&adapter->hw); -} - -static s32 atl1_up(struct atl1_adapter *adapter) -{ - struct net_device *netdev = adapter->netdev; - int err; - int irq_flags = 0; - - /* hardware has been reset, we need to reload some things */ - atlx_set_multi(netdev); - atl1_init_ring_ptrs(adapter); - atlx_restore_vlan(adapter); - err = atl1_alloc_rx_buffers(adapter); - if (unlikely(!err)) - /* no RX BUFFER allocated */ - return -ENOMEM; - - if (unlikely(atl1_configure(adapter))) { - err = -EIO; - goto err_up; - } - - err = pci_enable_msi(adapter->pdev); - if (err) { - if (netif_msg_ifup(adapter)) - dev_info(&adapter->pdev->dev, - "Unable to enable MSI: %d\n", err); - irq_flags |= IRQF_SHARED; - } - - err = request_irq(adapter->pdev->irq, atl1_intr, irq_flags, - netdev->name, netdev); - if (unlikely(err)) - goto err_up; - - atlx_irq_enable(adapter); - atl1_check_link(adapter); - netif_start_queue(netdev); - return 0; - -err_up: - pci_disable_msi(adapter->pdev); - /* free rx_buffers */ - atl1_clean_rx_ring(adapter); - return err; -} - -static void atl1_down(struct atl1_adapter *adapter) -{ - struct net_device *netdev = adapter->netdev; - - netif_stop_queue(netdev); - del_timer_sync(&adapter->phy_config_timer); - adapter->phy_timer_pending = false; - - atlx_irq_disable(adapter); - free_irq(adapter->pdev->irq, netdev); - pci_disable_msi(adapter->pdev); - atl1_reset_hw(&adapter->hw); - adapter->cmb.cmb->int_stats = 0; - - adapter->link_speed = SPEED_0; - adapter->link_duplex = -1; - netif_carrier_off(netdev); - - atl1_clean_tx_ring(adapter); - atl1_clean_rx_ring(adapter); -} - -static void atl1_tx_timeout_task(struct work_struct *work) -{ - struct atl1_adapter *adapter = - container_of(work, struct atl1_adapter, tx_timeout_task); - struct net_device *netdev = adapter->netdev; - - netif_device_detach(netdev); - atl1_down(adapter); - atl1_up(adapter); - netif_device_attach(netdev); -} - -/* - * atl1_change_mtu - Change the Maximum Transfer Unit - * @netdev: network interface device structure - * @new_mtu: new value for maximum frame size - * - * Returns 0 on success, negative on failure - */ -static int atl1_change_mtu(struct net_device *netdev, int new_mtu) -{ - struct atl1_adapter *adapter = netdev_priv(netdev); - int old_mtu = netdev->mtu; - int max_frame = new_mtu + ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN; - - if ((max_frame < ETH_ZLEN + ETH_FCS_LEN) || - (max_frame > MAX_JUMBO_FRAME_SIZE)) { - if (netif_msg_link(adapter)) - dev_warn(&adapter->pdev->dev, "invalid MTU setting\n"); - return -EINVAL; - } - - adapter->hw.max_frame_size = max_frame; - adapter->hw.tx_jumbo_task_th = (max_frame + 7) >> 3; - adapter->rx_buffer_len = (max_frame + 7) & ~7; - adapter->hw.rx_jumbo_th = adapter->rx_buffer_len / 8; - - netdev->mtu = new_mtu; - if ((old_mtu != new_mtu) && netif_running(netdev)) { - atl1_down(adapter); - atl1_up(adapter); - } - - return 0; -} - -/* - * atl1_open - Called when a network interface is made active - * @netdev: network interface device structure - * - * Returns 0 on success, negative value on failure - * - * The open entry point is called when a network interface is made - * active by the system (IFF_UP). At this point all resources needed - * for transmit and receive operations are allocated, the interrupt - * handler is registered with the OS, the watchdog timer is started, - * and the stack is notified that the interface is ready. - */ -static int atl1_open(struct net_device *netdev) -{ - struct atl1_adapter *adapter = netdev_priv(netdev); - int err; - - netif_carrier_off(netdev); - - /* allocate transmit descriptors */ - err = atl1_setup_ring_resources(adapter); - if (err) - return err; - - err = atl1_up(adapter); - if (err) - goto err_up; - - return 0; - -err_up: - atl1_reset(adapter); - return err; -} - -/* - * atl1_close - Disables a network interface - * @netdev: network interface device structure - * - * Returns 0, this is not allowed to fail - * - * The close entry point is called when an interface is de-activated - * by the OS. The hardware is still under the drivers control, but - * needs to be disabled. A global MAC reset is issued to stop the - * hardware, and all transmit and receive resources are freed. - */ -static int atl1_close(struct net_device *netdev) -{ - struct atl1_adapter *adapter = netdev_priv(netdev); - atl1_down(adapter); - atl1_free_ring_resources(adapter); - return 0; -} - -#ifdef CONFIG_PM -static int atl1_suspend(struct device *dev) -{ - struct pci_dev *pdev = to_pci_dev(dev); - struct net_device *netdev = pci_get_drvdata(pdev); - struct atl1_adapter *adapter = netdev_priv(netdev); - struct atl1_hw *hw = &adapter->hw; - u32 ctrl = 0; - u32 wufc = adapter->wol; - u32 val; - u16 speed; - u16 duplex; - - netif_device_detach(netdev); - if (netif_running(netdev)) - atl1_down(adapter); - - atl1_read_phy_reg(hw, MII_BMSR, (u16 *) & ctrl); - atl1_read_phy_reg(hw, MII_BMSR, (u16 *) & ctrl); - val = ctrl & BMSR_LSTATUS; - if (val) - wufc &= ~ATLX_WUFC_LNKC; - if (!wufc) - goto disable_wol; - - if (val) { - val = atl1_get_speed_and_duplex(hw, &speed, &duplex); - if (val) { - if (netif_msg_ifdown(adapter)) - dev_printk(KERN_DEBUG, &pdev->dev, - "error getting speed/duplex\n"); - goto disable_wol; - } - - ctrl = 0; - - /* enable magic packet WOL */ - if (wufc & ATLX_WUFC_MAG) - ctrl |= (WOL_MAGIC_EN | WOL_MAGIC_PME_EN); - iowrite32(ctrl, hw->hw_addr + REG_WOL_CTRL); - ioread32(hw->hw_addr + REG_WOL_CTRL); - - /* configure the mac */ - ctrl = MAC_CTRL_RX_EN; - ctrl |= ((u32)((speed == SPEED_1000) ? MAC_CTRL_SPEED_1000 : - MAC_CTRL_SPEED_10_100) << MAC_CTRL_SPEED_SHIFT); - if (duplex == FULL_DUPLEX) - ctrl |= MAC_CTRL_DUPLX; - ctrl |= (((u32)adapter->hw.preamble_len & - MAC_CTRL_PRMLEN_MASK) << MAC_CTRL_PRMLEN_SHIFT); - __atlx_vlan_mode(netdev->features, &ctrl); - if (wufc & ATLX_WUFC_MAG) - ctrl |= MAC_CTRL_BC_EN; - iowrite32(ctrl, hw->hw_addr + REG_MAC_CTRL); - ioread32(hw->hw_addr + REG_MAC_CTRL); - - /* poke the PHY */ - ctrl = ioread32(hw->hw_addr + REG_PCIE_PHYMISC); - ctrl |= PCIE_PHYMISC_FORCE_RCV_DET; - iowrite32(ctrl, hw->hw_addr + REG_PCIE_PHYMISC); - ioread32(hw->hw_addr + REG_PCIE_PHYMISC); - } else { - ctrl |= (WOL_LINK_CHG_EN | WOL_LINK_CHG_PME_EN); - iowrite32(ctrl, hw->hw_addr + REG_WOL_CTRL); - ioread32(hw->hw_addr + REG_WOL_CTRL); - iowrite32(0, hw->hw_addr + REG_MAC_CTRL); - ioread32(hw->hw_addr + REG_MAC_CTRL); - hw->phy_configured = false; - } - - return 0; - - disable_wol: - iowrite32(0, hw->hw_addr + REG_WOL_CTRL); - ioread32(hw->hw_addr + REG_WOL_CTRL); - ctrl = ioread32(hw->hw_addr + REG_PCIE_PHYMISC); - ctrl |= PCIE_PHYMISC_FORCE_RCV_DET; - iowrite32(ctrl, hw->hw_addr + REG_PCIE_PHYMISC); - ioread32(hw->hw_addr + REG_PCIE_PHYMISC); - hw->phy_configured = false; - - return 0; -} - -static int atl1_resume(struct device *dev) -{ - struct pci_dev *pdev = to_pci_dev(dev); - struct net_device *netdev = pci_get_drvdata(pdev); - struct atl1_adapter *adapter = netdev_priv(netdev); - - iowrite32(0, adapter->hw.hw_addr + REG_WOL_CTRL); - - atl1_reset_hw(&adapter->hw); - - if (netif_running(netdev)) { - adapter->cmb.cmb->int_stats = 0; - atl1_up(adapter); - } - netif_device_attach(netdev); - - return 0; -} - -static SIMPLE_DEV_PM_OPS(atl1_pm_ops, atl1_suspend, atl1_resume); -#define ATL1_PM_OPS (&atl1_pm_ops) - -#else - -static int atl1_suspend(struct device *dev) { return 0; } - -#define ATL1_PM_OPS NULL -#endif - -static void atl1_shutdown(struct pci_dev *pdev) -{ - struct net_device *netdev = pci_get_drvdata(pdev); - struct atl1_adapter *adapter = netdev_priv(netdev); - - atl1_suspend(&pdev->dev); - pci_wake_from_d3(pdev, adapter->wol); - pci_set_power_state(pdev, PCI_D3hot); -} - -#ifdef CONFIG_NET_POLL_CONTROLLER -static void atl1_poll_controller(struct net_device *netdev) -{ - disable_irq(netdev->irq); - atl1_intr(netdev->irq, netdev); - enable_irq(netdev->irq); -} -#endif - -static const struct net_device_ops atl1_netdev_ops = { - .ndo_open = atl1_open, - .ndo_stop = atl1_close, - .ndo_start_xmit = atl1_xmit_frame, - .ndo_set_multicast_list = atlx_set_multi, - .ndo_validate_addr = eth_validate_addr, - .ndo_set_mac_address = atl1_set_mac, - .ndo_change_mtu = atl1_change_mtu, - .ndo_fix_features = atlx_fix_features, - .ndo_set_features = atlx_set_features, - .ndo_do_ioctl = atlx_ioctl, - .ndo_tx_timeout = atlx_tx_timeout, -#ifdef CONFIG_NET_POLL_CONTROLLER - .ndo_poll_controller = atl1_poll_controller, -#endif -}; - -/* - * atl1_probe - Device Initialization Routine - * @pdev: PCI device information struct - * @ent: entry in atl1_pci_tbl - * - * Returns 0 on success, negative on failure - * - * atl1_probe initializes an adapter identified by a pci_dev structure. - * The OS initialization, configuring of the adapter private structure, - * and a hardware reset occur. - */ -static int __devinit atl1_probe(struct pci_dev *pdev, - const struct pci_device_id *ent) -{ - struct net_device *netdev; - struct atl1_adapter *adapter; - static int cards_found = 0; - int err; - - err = pci_enable_device(pdev); - if (err) - return err; - - /* - * The atl1 chip can DMA to 64-bit addresses, but it uses a single - * shared register for the high 32 bits, so only a single, aligned, - * 4 GB physical address range can be used at a time. - * - * Supporting 64-bit DMA on this hardware is more trouble than it's - * worth. It is far easier to limit to 32-bit DMA than update - * various kernel subsystems to support the mechanics required by a - * fixed-high-32-bit system. - */ - err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); - if (err) { - dev_err(&pdev->dev, "no usable DMA configuration\n"); - goto err_dma; - } - /* - * Mark all PCI regions associated with PCI device - * pdev as being reserved by owner atl1_driver_name - */ - err = pci_request_regions(pdev, ATLX_DRIVER_NAME); - if (err) - goto err_request_regions; - - /* - * Enables bus-mastering on the device and calls - * pcibios_set_master to do the needed arch specific settings - */ - pci_set_master(pdev); - - netdev = alloc_etherdev(sizeof(struct atl1_adapter)); - if (!netdev) { - err = -ENOMEM; - goto err_alloc_etherdev; - } - SET_NETDEV_DEV(netdev, &pdev->dev); - - pci_set_drvdata(pdev, netdev); - adapter = netdev_priv(netdev); - adapter->netdev = netdev; - adapter->pdev = pdev; - adapter->hw.back = adapter; - adapter->msg_enable = netif_msg_init(debug, atl1_default_msg); - - adapter->hw.hw_addr = pci_iomap(pdev, 0, 0); - if (!adapter->hw.hw_addr) { - err = -EIO; - goto err_pci_iomap; - } - /* get device revision number */ - adapter->hw.dev_rev = ioread16(adapter->hw.hw_addr + - (REG_MASTER_CTRL + 2)); - if (netif_msg_probe(adapter)) - dev_info(&pdev->dev, "version %s\n", ATLX_DRIVER_VERSION); - - /* set default ring resource counts */ - adapter->rfd_ring.count = adapter->rrd_ring.count = ATL1_DEFAULT_RFD; - adapter->tpd_ring.count = ATL1_DEFAULT_TPD; - - adapter->mii.dev = netdev; - adapter->mii.mdio_read = mdio_read; - adapter->mii.mdio_write = mdio_write; - adapter->mii.phy_id_mask = 0x1f; - adapter->mii.reg_num_mask = 0x1f; - - netdev->netdev_ops = &atl1_netdev_ops; - netdev->watchdog_timeo = 5 * HZ; - - netdev->ethtool_ops = &atl1_ethtool_ops; - adapter->bd_number = cards_found; - - /* setup the private structure */ - err = atl1_sw_init(adapter); - if (err) - goto err_common; - - netdev->features = NETIF_F_HW_CSUM; - netdev->features |= NETIF_F_SG; - netdev->features |= (NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX); - - netdev->hw_features = NETIF_F_HW_CSUM | NETIF_F_SG | NETIF_F_TSO | - NETIF_F_HW_VLAN_RX; - - /* is this valid? see atl1_setup_mac_ctrl() */ - netdev->features |= NETIF_F_RXCSUM; - - /* - * patch for some L1 of old version, - * the final version of L1 may not need these - * patches - */ - /* atl1_pcie_patch(adapter); */ - - /* really reset GPHY core */ - iowrite16(0, adapter->hw.hw_addr + REG_PHY_ENABLE); - - /* - * reset the controller to - * put the device in a known good starting state - */ - if (atl1_reset_hw(&adapter->hw)) { - err = -EIO; - goto err_common; - } - - /* copy the MAC address out of the EEPROM */ - atl1_read_mac_addr(&adapter->hw); - memcpy(netdev->dev_addr, adapter->hw.mac_addr, netdev->addr_len); - - if (!is_valid_ether_addr(netdev->dev_addr)) { - err = -EIO; - goto err_common; - } - - atl1_check_options(adapter); - - /* pre-init the MAC, and setup link */ - err = atl1_init_hw(&adapter->hw); - if (err) { - err = -EIO; - goto err_common; - } - - atl1_pcie_patch(adapter); - /* assume we have no link for now */ - netif_carrier_off(netdev); - - setup_timer(&adapter->phy_config_timer, atl1_phy_config, - (unsigned long)adapter); - adapter->phy_timer_pending = false; - - INIT_WORK(&adapter->tx_timeout_task, atl1_tx_timeout_task); - - INIT_WORK(&adapter->link_chg_task, atlx_link_chg_task); - - INIT_WORK(&adapter->pcie_dma_to_rst_task, atl1_tx_timeout_task); - - err = register_netdev(netdev); - if (err) - goto err_common; - - cards_found++; - atl1_via_workaround(adapter); - return 0; - -err_common: - pci_iounmap(pdev, adapter->hw.hw_addr); -err_pci_iomap: - free_netdev(netdev); -err_alloc_etherdev: - pci_release_regions(pdev); -err_dma: -err_request_regions: - pci_disable_device(pdev); - return err; -} - -/* - * atl1_remove - Device Removal Routine - * @pdev: PCI device information struct - * - * atl1_remove is called by the PCI subsystem to alert the driver - * that it should release a PCI device. The could be caused by a - * Hot-Plug event, or because the driver is going to be removed from - * memory. - */ -static void __devexit atl1_remove(struct pci_dev *pdev) -{ - struct net_device *netdev = pci_get_drvdata(pdev); - struct atl1_adapter *adapter; - /* Device not available. Return. */ - if (!netdev) - return; - - adapter = netdev_priv(netdev); - - /* - * Some atl1 boards lack persistent storage for their MAC, and get it - * from the BIOS during POST. If we've been messing with the MAC - * address, we need to save the permanent one. - */ - if (memcmp(adapter->hw.mac_addr, adapter->hw.perm_mac_addr, ETH_ALEN)) { - memcpy(adapter->hw.mac_addr, adapter->hw.perm_mac_addr, - ETH_ALEN); - atl1_set_mac_addr(&adapter->hw); - } - - iowrite16(0, adapter->hw.hw_addr + REG_PHY_ENABLE); - unregister_netdev(netdev); - pci_iounmap(pdev, adapter->hw.hw_addr); - pci_release_regions(pdev); - free_netdev(netdev); - pci_disable_device(pdev); -} - -static struct pci_driver atl1_driver = { - .name = ATLX_DRIVER_NAME, - .id_table = atl1_pci_tbl, - .probe = atl1_probe, - .remove = __devexit_p(atl1_remove), - .shutdown = atl1_shutdown, - .driver.pm = ATL1_PM_OPS, -}; - -/* - * atl1_exit_module - Driver Exit Cleanup Routine - * - * atl1_exit_module is called just before the driver is removed - * from memory. - */ -static void __exit atl1_exit_module(void) -{ - pci_unregister_driver(&atl1_driver); -} - -/* - * atl1_init_module - Driver Registration Routine - * - * atl1_init_module is the first routine called when the driver is - * loaded. All it does is register with the PCI subsystem. - */ -static int __init atl1_init_module(void) -{ - return pci_register_driver(&atl1_driver); -} - -module_init(atl1_init_module); -module_exit(atl1_exit_module); - -struct atl1_stats { - char stat_string[ETH_GSTRING_LEN]; - int sizeof_stat; - int stat_offset; -}; - -#define ATL1_STAT(m) \ - sizeof(((struct atl1_adapter *)0)->m), offsetof(struct atl1_adapter, m) - -static struct atl1_stats atl1_gstrings_stats[] = { - {"rx_packets", ATL1_STAT(soft_stats.rx_packets)}, - {"tx_packets", ATL1_STAT(soft_stats.tx_packets)}, - {"rx_bytes", ATL1_STAT(soft_stats.rx_bytes)}, - {"tx_bytes", ATL1_STAT(soft_stats.tx_bytes)}, - {"rx_errors", ATL1_STAT(soft_stats.rx_errors)}, - {"tx_errors", ATL1_STAT(soft_stats.tx_errors)}, - {"multicast", ATL1_STAT(soft_stats.multicast)}, - {"collisions", ATL1_STAT(soft_stats.collisions)}, - {"rx_length_errors", ATL1_STAT(soft_stats.rx_length_errors)}, - {"rx_over_errors", ATL1_STAT(soft_stats.rx_missed_errors)}, - {"rx_crc_errors", ATL1_STAT(soft_stats.rx_crc_errors)}, - {"rx_frame_errors", ATL1_STAT(soft_stats.rx_frame_errors)}, - {"rx_fifo_errors", ATL1_STAT(soft_stats.rx_fifo_errors)}, - {"rx_missed_errors", ATL1_STAT(soft_stats.rx_missed_errors)}, - {"tx_aborted_errors", ATL1_STAT(soft_stats.tx_aborted_errors)}, - {"tx_carrier_errors", ATL1_STAT(soft_stats.tx_carrier_errors)}, - {"tx_fifo_errors", ATL1_STAT(soft_stats.tx_fifo_errors)}, - {"tx_window_errors", ATL1_STAT(soft_stats.tx_window_errors)}, - {"tx_abort_exce_coll", ATL1_STAT(soft_stats.excecol)}, - {"tx_abort_late_coll", ATL1_STAT(soft_stats.latecol)}, - {"tx_deferred_ok", ATL1_STAT(soft_stats.deffer)}, - {"tx_single_coll_ok", ATL1_STAT(soft_stats.scc)}, - {"tx_multi_coll_ok", ATL1_STAT(soft_stats.mcc)}, - {"tx_underun", ATL1_STAT(soft_stats.tx_underun)}, - {"tx_trunc", ATL1_STAT(soft_stats.tx_trunc)}, - {"tx_pause", ATL1_STAT(soft_stats.tx_pause)}, - {"rx_pause", ATL1_STAT(soft_stats.rx_pause)}, - {"rx_rrd_ov", ATL1_STAT(soft_stats.rx_rrd_ov)}, - {"rx_trunc", ATL1_STAT(soft_stats.rx_trunc)} -}; - -static void atl1_get_ethtool_stats(struct net_device *netdev, - struct ethtool_stats *stats, u64 *data) -{ - struct atl1_adapter *adapter = netdev_priv(netdev); - int i; - char *p; - - for (i = 0; i < ARRAY_SIZE(atl1_gstrings_stats); i++) { - p = (char *)adapter+atl1_gstrings_stats[i].stat_offset; - data[i] = (atl1_gstrings_stats[i].sizeof_stat == - sizeof(u64)) ? *(u64 *)p : *(u32 *)p; - } - -} - -static int atl1_get_sset_count(struct net_device *netdev, int sset) -{ - switch (sset) { - case ETH_SS_STATS: - return ARRAY_SIZE(atl1_gstrings_stats); - default: - return -EOPNOTSUPP; - } -} - -static int atl1_get_settings(struct net_device *netdev, - struct ethtool_cmd *ecmd) -{ - struct atl1_adapter *adapter = netdev_priv(netdev); - struct atl1_hw *hw = &adapter->hw; - - ecmd->supported = (SUPPORTED_10baseT_Half | - SUPPORTED_10baseT_Full | - SUPPORTED_100baseT_Half | - SUPPORTED_100baseT_Full | - SUPPORTED_1000baseT_Full | - SUPPORTED_Autoneg | SUPPORTED_TP); - ecmd->advertising = ADVERTISED_TP; - if (hw->media_type == MEDIA_TYPE_AUTO_SENSOR || - hw->media_type == MEDIA_TYPE_1000M_FULL) { - ecmd->advertising |= ADVERTISED_Autoneg; - if (hw->media_type == MEDIA_TYPE_AUTO_SENSOR) { - ecmd->advertising |= ADVERTISED_Autoneg; - ecmd->advertising |= - (ADVERTISED_10baseT_Half | - ADVERTISED_10baseT_Full | - ADVERTISED_100baseT_Half | - ADVERTISED_100baseT_Full | - ADVERTISED_1000baseT_Full); - } else - ecmd->advertising |= (ADVERTISED_1000baseT_Full); - } - ecmd->port = PORT_TP; - ecmd->phy_address = 0; - ecmd->transceiver = XCVR_INTERNAL; - - if (netif_carrier_ok(adapter->netdev)) { - u16 link_speed, link_duplex; - atl1_get_speed_and_duplex(hw, &link_speed, &link_duplex); - ethtool_cmd_speed_set(ecmd, link_speed); - if (link_duplex == FULL_DUPLEX) - ecmd->duplex = DUPLEX_FULL; - else - ecmd->duplex = DUPLEX_HALF; - } else { - ethtool_cmd_speed_set(ecmd, -1); - ecmd->duplex = -1; - } - if (hw->media_type == MEDIA_TYPE_AUTO_SENSOR || - hw->media_type == MEDIA_TYPE_1000M_FULL) - ecmd->autoneg = AUTONEG_ENABLE; - else - ecmd->autoneg = AUTONEG_DISABLE; - - return 0; -} - -static int atl1_set_settings(struct net_device *netdev, - struct ethtool_cmd *ecmd) -{ - struct atl1_adapter *adapter = netdev_priv(netdev); - struct atl1_hw *hw = &adapter->hw; - u16 phy_data; - int ret_val = 0; - u16 old_media_type = hw->media_type; - - if (netif_running(adapter->netdev)) { - if (netif_msg_link(adapter)) - dev_dbg(&adapter->pdev->dev, - "ethtool shutting down adapter\n"); - atl1_down(adapter); - } - - if (ecmd->autoneg == AUTONEG_ENABLE) - hw->media_type = MEDIA_TYPE_AUTO_SENSOR; - else { - u32 speed = ethtool_cmd_speed(ecmd); - if (speed == SPEED_1000) { - if (ecmd->duplex != DUPLEX_FULL) { - if (netif_msg_link(adapter)) - dev_warn(&adapter->pdev->dev, - "1000M half is invalid\n"); - ret_val = -EINVAL; - goto exit_sset; - } - hw->media_type = MEDIA_TYPE_1000M_FULL; - } else if (speed == SPEED_100) { - if (ecmd->duplex == DUPLEX_FULL) - hw->media_type = MEDIA_TYPE_100M_FULL; - else - hw->media_type = MEDIA_TYPE_100M_HALF; - } else { - if (ecmd->duplex == DUPLEX_FULL) - hw->media_type = MEDIA_TYPE_10M_FULL; - else - hw->media_type = MEDIA_TYPE_10M_HALF; - } - } - switch (hw->media_type) { - case MEDIA_TYPE_AUTO_SENSOR: - ecmd->advertising = - ADVERTISED_10baseT_Half | - ADVERTISED_10baseT_Full | - ADVERTISED_100baseT_Half | - ADVERTISED_100baseT_Full | - ADVERTISED_1000baseT_Full | - ADVERTISED_Autoneg | ADVERTISED_TP; - break; - case MEDIA_TYPE_1000M_FULL: - ecmd->advertising = - ADVERTISED_1000baseT_Full | - ADVERTISED_Autoneg | ADVERTISED_TP; - break; - default: - ecmd->advertising = 0; - break; - } - if (atl1_phy_setup_autoneg_adv(hw)) { - ret_val = -EINVAL; - if (netif_msg_link(adapter)) - dev_warn(&adapter->pdev->dev, - "invalid ethtool speed/duplex setting\n"); - goto exit_sset; - } - if (hw->media_type == MEDIA_TYPE_AUTO_SENSOR || - hw->media_type == MEDIA_TYPE_1000M_FULL) - phy_data = MII_CR_RESET | MII_CR_AUTO_NEG_EN; - else { - switch (hw->media_type) { - case MEDIA_TYPE_100M_FULL: - phy_data = - MII_CR_FULL_DUPLEX | MII_CR_SPEED_100 | - MII_CR_RESET; - break; - case MEDIA_TYPE_100M_HALF: - phy_data = MII_CR_SPEED_100 | MII_CR_RESET; - break; - case MEDIA_TYPE_10M_FULL: - phy_data = - MII_CR_FULL_DUPLEX | MII_CR_SPEED_10 | MII_CR_RESET; - break; - default: - /* MEDIA_TYPE_10M_HALF: */ - phy_data = MII_CR_SPEED_10 | MII_CR_RESET; - break; - } - } - atl1_write_phy_reg(hw, MII_BMCR, phy_data); -exit_sset: - if (ret_val) - hw->media_type = old_media_type; - - if (netif_running(adapter->netdev)) { - if (netif_msg_link(adapter)) - dev_dbg(&adapter->pdev->dev, - "ethtool starting adapter\n"); - atl1_up(adapter); - } else if (!ret_val) { - if (netif_msg_link(adapter)) - dev_dbg(&adapter->pdev->dev, - "ethtool resetting adapter\n"); - atl1_reset(adapter); - } - return ret_val; -} - -static void atl1_get_drvinfo(struct net_device *netdev, - struct ethtool_drvinfo *drvinfo) -{ - struct atl1_adapter *adapter = netdev_priv(netdev); - - strlcpy(drvinfo->driver, ATLX_DRIVER_NAME, sizeof(drvinfo->driver)); - strlcpy(drvinfo->version, ATLX_DRIVER_VERSION, - sizeof(drvinfo->version)); - strlcpy(drvinfo->fw_version, "N/A", sizeof(drvinfo->fw_version)); - strlcpy(drvinfo->bus_info, pci_name(adapter->pdev), - sizeof(drvinfo->bus_info)); - drvinfo->eedump_len = ATL1_EEDUMP_LEN; -} - -static void atl1_get_wol(struct net_device *netdev, - struct ethtool_wolinfo *wol) -{ - struct atl1_adapter *adapter = netdev_priv(netdev); - - wol->supported = WAKE_MAGIC; - wol->wolopts = 0; - if (adapter->wol & ATLX_WUFC_MAG) - wol->wolopts |= WAKE_MAGIC; -} - -static int atl1_set_wol(struct net_device *netdev, - struct ethtool_wolinfo *wol) -{ - struct atl1_adapter *adapter = netdev_priv(netdev); - - if (wol->wolopts & (WAKE_PHY | WAKE_UCAST | WAKE_MCAST | WAKE_BCAST | - WAKE_ARP | WAKE_MAGICSECURE)) - return -EOPNOTSUPP; - adapter->wol = 0; - if (wol->wolopts & WAKE_MAGIC) - adapter->wol |= ATLX_WUFC_MAG; - - device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol); - - return 0; -} - -static u32 atl1_get_msglevel(struct net_device *netdev) -{ - struct atl1_adapter *adapter = netdev_priv(netdev); - return adapter->msg_enable; -} - -static void atl1_set_msglevel(struct net_device *netdev, u32 value) -{ - struct atl1_adapter *adapter = netdev_priv(netdev); - adapter->msg_enable = value; -} - -static int atl1_get_regs_len(struct net_device *netdev) -{ - return ATL1_REG_COUNT * sizeof(u32); -} - -static void atl1_get_regs(struct net_device *netdev, struct ethtool_regs *regs, - void *p) -{ - struct atl1_adapter *adapter = netdev_priv(netdev); - struct atl1_hw *hw = &adapter->hw; - unsigned int i; - u32 *regbuf = p; - - for (i = 0; i < ATL1_REG_COUNT; i++) { - /* - * This switch statement avoids reserved regions - * of register space. - */ - switch (i) { - case 6 ... 9: - case 14: - case 29 ... 31: - case 34 ... 63: - case 75 ... 127: - case 136 ... 1023: - case 1027 ... 1087: - case 1091 ... 1151: - case 1194 ... 1195: - case 1200 ... 1201: - case 1206 ... 1213: - case 1216 ... 1279: - case 1290 ... 1311: - case 1323 ... 1343: - case 1358 ... 1359: - case 1368 ... 1375: - case 1378 ... 1383: - case 1388 ... 1391: - case 1393 ... 1395: - case 1402 ... 1403: - case 1410 ... 1471: - case 1522 ... 1535: - /* reserved region; don't read it */ - regbuf[i] = 0; - break; - default: - /* unreserved region */ - regbuf[i] = ioread32(hw->hw_addr + (i * sizeof(u32))); - } - } -} - -static void atl1_get_ringparam(struct net_device *netdev, - struct ethtool_ringparam *ring) -{ - struct atl1_adapter *adapter = netdev_priv(netdev); - struct atl1_tpd_ring *txdr = &adapter->tpd_ring; - struct atl1_rfd_ring *rxdr = &adapter->rfd_ring; - - ring->rx_max_pending = ATL1_MAX_RFD; - ring->tx_max_pending = ATL1_MAX_TPD; - ring->rx_mini_max_pending = 0; - ring->rx_jumbo_max_pending = 0; - ring->rx_pending = rxdr->count; - ring->tx_pending = txdr->count; - ring->rx_mini_pending = 0; - ring->rx_jumbo_pending = 0; -} - -static int atl1_set_ringparam(struct net_device *netdev, - struct ethtool_ringparam *ring) -{ - struct atl1_adapter *adapter = netdev_priv(netdev); - struct atl1_tpd_ring *tpdr = &adapter->tpd_ring; - struct atl1_rrd_ring *rrdr = &adapter->rrd_ring; - struct atl1_rfd_ring *rfdr = &adapter->rfd_ring; - - struct atl1_tpd_ring tpd_old, tpd_new; - struct atl1_rfd_ring rfd_old, rfd_new; - struct atl1_rrd_ring rrd_old, rrd_new; - struct atl1_ring_header rhdr_old, rhdr_new; - struct atl1_smb smb; - struct atl1_cmb cmb; - int err; - - tpd_old = adapter->tpd_ring; - rfd_old = adapter->rfd_ring; - rrd_old = adapter->rrd_ring; - rhdr_old = adapter->ring_header; - - if (netif_running(adapter->netdev)) - atl1_down(adapter); - - rfdr->count = (u16) max(ring->rx_pending, (u32) ATL1_MIN_RFD); - rfdr->count = rfdr->count > ATL1_MAX_RFD ? ATL1_MAX_RFD : - rfdr->count; - rfdr->count = (rfdr->count + 3) & ~3; - rrdr->count = rfdr->count; - - tpdr->count = (u16) max(ring->tx_pending, (u32) ATL1_MIN_TPD); - tpdr->count = tpdr->count > ATL1_MAX_TPD ? ATL1_MAX_TPD : - tpdr->count; - tpdr->count = (tpdr->count + 3) & ~3; - - if (netif_running(adapter->netdev)) { - /* try to get new resources before deleting old */ - err = atl1_setup_ring_resources(adapter); - if (err) - goto err_setup_ring; - - /* - * save the new, restore the old in order to free it, - * then restore the new back again - */ - - rfd_new = adapter->rfd_ring; - rrd_new = adapter->rrd_ring; - tpd_new = adapter->tpd_ring; - rhdr_new = adapter->ring_header; - adapter->rfd_ring = rfd_old; - adapter->rrd_ring = rrd_old; - adapter->tpd_ring = tpd_old; - adapter->ring_header = rhdr_old; - /* - * Save SMB and CMB, since atl1_free_ring_resources - * will clear them. - */ - smb = adapter->smb; - cmb = adapter->cmb; - atl1_free_ring_resources(adapter); - adapter->rfd_ring = rfd_new; - adapter->rrd_ring = rrd_new; - adapter->tpd_ring = tpd_new; - adapter->ring_header = rhdr_new; - adapter->smb = smb; - adapter->cmb = cmb; - - err = atl1_up(adapter); - if (err) - return err; - } - return 0; - -err_setup_ring: - adapter->rfd_ring = rfd_old; - adapter->rrd_ring = rrd_old; - adapter->tpd_ring = tpd_old; - adapter->ring_header = rhdr_old; - atl1_up(adapter); - return err; -} - -static void atl1_get_pauseparam(struct net_device *netdev, - struct ethtool_pauseparam *epause) -{ - struct atl1_adapter *adapter = netdev_priv(netdev); - struct atl1_hw *hw = &adapter->hw; - - if (hw->media_type == MEDIA_TYPE_AUTO_SENSOR || - hw->media_type == MEDIA_TYPE_1000M_FULL) { - epause->autoneg = AUTONEG_ENABLE; - } else { - epause->autoneg = AUTONEG_DISABLE; - } - epause->rx_pause = 1; - epause->tx_pause = 1; -} - -static int atl1_set_pauseparam(struct net_device *netdev, - struct ethtool_pauseparam *epause) -{ - struct atl1_adapter *adapter = netdev_priv(netdev); - struct atl1_hw *hw = &adapter->hw; - - if (hw->media_type == MEDIA_TYPE_AUTO_SENSOR || - hw->media_type == MEDIA_TYPE_1000M_FULL) { - epause->autoneg = AUTONEG_ENABLE; - } else { - epause->autoneg = AUTONEG_DISABLE; - } - - epause->rx_pause = 1; - epause->tx_pause = 1; - - return 0; -} - -static void atl1_get_strings(struct net_device *netdev, u32 stringset, - u8 *data) -{ - u8 *p = data; - int i; - - switch (stringset) { - case ETH_SS_STATS: - for (i = 0; i < ARRAY_SIZE(atl1_gstrings_stats); i++) { - memcpy(p, atl1_gstrings_stats[i].stat_string, - ETH_GSTRING_LEN); - p += ETH_GSTRING_LEN; - } - break; - } -} - -static int atl1_nway_reset(struct net_device *netdev) -{ - struct atl1_adapter *adapter = netdev_priv(netdev); - struct atl1_hw *hw = &adapter->hw; - - if (netif_running(netdev)) { - u16 phy_data; - atl1_down(adapter); - - if (hw->media_type == MEDIA_TYPE_AUTO_SENSOR || - hw->media_type == MEDIA_TYPE_1000M_FULL) { - phy_data = MII_CR_RESET | MII_CR_AUTO_NEG_EN; - } else { - switch (hw->media_type) { - case MEDIA_TYPE_100M_FULL: - phy_data = MII_CR_FULL_DUPLEX | - MII_CR_SPEED_100 | MII_CR_RESET; - break; - case MEDIA_TYPE_100M_HALF: - phy_data = MII_CR_SPEED_100 | MII_CR_RESET; - break; - case MEDIA_TYPE_10M_FULL: - phy_data = MII_CR_FULL_DUPLEX | - MII_CR_SPEED_10 | MII_CR_RESET; - break; - default: - /* MEDIA_TYPE_10M_HALF */ - phy_data = MII_CR_SPEED_10 | MII_CR_RESET; - } - } - atl1_write_phy_reg(hw, MII_BMCR, phy_data); - atl1_up(adapter); - } - return 0; -} - -static const struct ethtool_ops atl1_ethtool_ops = { - .get_settings = atl1_get_settings, - .set_settings = atl1_set_settings, - .get_drvinfo = atl1_get_drvinfo, - .get_wol = atl1_get_wol, - .set_wol = atl1_set_wol, - .get_msglevel = atl1_get_msglevel, - .set_msglevel = atl1_set_msglevel, - .get_regs_len = atl1_get_regs_len, - .get_regs = atl1_get_regs, - .get_ringparam = atl1_get_ringparam, - .set_ringparam = atl1_set_ringparam, - .get_pauseparam = atl1_get_pauseparam, - .set_pauseparam = atl1_set_pauseparam, - .get_link = ethtool_op_get_link, - .get_strings = atl1_get_strings, - .nway_reset = atl1_nway_reset, - .get_ethtool_stats = atl1_get_ethtool_stats, - .get_sset_count = atl1_get_sset_count, -}; diff --git a/drivers/net/atlx/atl1.h b/drivers/net/atlx/atl1.h deleted file mode 100644 index 109d6da8be97..000000000000 --- a/drivers/net/atlx/atl1.h +++ /dev/null @@ -1,792 +0,0 @@ -/* - * Copyright(c) 2005 - 2006 Attansic Corporation. All rights reserved. - * Copyright(c) 2006 - 2007 Chris Snook - * Copyright(c) 2006 - 2008 Jay Cliburn - * - * Derived from Intel e1000 driver - * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., 59 - * Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -#ifndef ATL1_H -#define ATL1_H - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include "atlx.h" - -#define ATLX_DRIVER_NAME "atl1" - -MODULE_DESCRIPTION("Atheros L1 Gigabit Ethernet Driver"); - -#define atlx_adapter atl1_adapter -#define atlx_check_for_link atl1_check_for_link -#define atlx_check_link atl1_check_link -#define atlx_hash_mc_addr atl1_hash_mc_addr -#define atlx_hash_set atl1_hash_set -#define atlx_hw atl1_hw -#define atlx_mii_ioctl atl1_mii_ioctl -#define atlx_read_phy_reg atl1_read_phy_reg -#define atlx_set_mac atl1_set_mac -#define atlx_set_mac_addr atl1_set_mac_addr - -struct atl1_adapter; -struct atl1_hw; - -/* function prototypes needed by multiple files */ -static u32 atl1_hash_mc_addr(struct atl1_hw *hw, u8 *mc_addr); -static void atl1_hash_set(struct atl1_hw *hw, u32 hash_value); -static void atl1_set_mac_addr(struct atl1_hw *hw); -static int atl1_mii_ioctl(struct net_device *netdev, struct ifreq *ifr, - int cmd); -static u32 atl1_check_link(struct atl1_adapter *adapter); - -/* hardware definitions specific to L1 */ - -/* Block IDLE Status Register */ -#define IDLE_STATUS_RXMAC 0x1 -#define IDLE_STATUS_TXMAC 0x2 -#define IDLE_STATUS_RXQ 0x4 -#define IDLE_STATUS_TXQ 0x8 -#define IDLE_STATUS_DMAR 0x10 -#define IDLE_STATUS_DMAW 0x20 -#define IDLE_STATUS_SMB 0x40 -#define IDLE_STATUS_CMB 0x80 - -/* MDIO Control Register */ -#define MDIO_WAIT_TIMES 30 - -/* MAC Control Register */ -#define MAC_CTRL_TX_PAUSE 0x10000 -#define MAC_CTRL_SCNT 0x20000 -#define MAC_CTRL_SRST_TX 0x40000 -#define MAC_CTRL_TX_SIMURST 0x80000 -#define MAC_CTRL_SPEED_SHIFT 20 -#define MAC_CTRL_SPEED_MASK 0x300000 -#define MAC_CTRL_SPEED_1000 0x2 -#define MAC_CTRL_SPEED_10_100 0x1 -#define MAC_CTRL_DBG_TX_BKPRESURE 0x400000 -#define MAC_CTRL_TX_HUGE 0x800000 -#define MAC_CTRL_RX_CHKSUM_EN 0x1000000 -#define MAC_CTRL_DBG 0x8000000 - -/* Wake-On-Lan control register */ -#define WOL_CLK_SWITCH_EN 0x8000 -#define WOL_PT5_EN 0x200000 -#define WOL_PT6_EN 0x400000 -#define WOL_PT5_MATCH 0x8000000 -#define WOL_PT6_MATCH 0x10000000 - -/* WOL Length ( 2 DWORD ) */ -#define REG_WOL_PATTERN_LEN 0x14A4 -#define WOL_PT_LEN_MASK 0x7F -#define WOL_PT0_LEN_SHIFT 0 -#define WOL_PT1_LEN_SHIFT 8 -#define WOL_PT2_LEN_SHIFT 16 -#define WOL_PT3_LEN_SHIFT 24 -#define WOL_PT4_LEN_SHIFT 0 -#define WOL_PT5_LEN_SHIFT 8 -#define WOL_PT6_LEN_SHIFT 16 - -/* Internal SRAM Partition Registers, low 32 bits */ -#define REG_SRAM_RFD_LEN 0x1504 -#define REG_SRAM_RRD_ADDR 0x1508 -#define REG_SRAM_RRD_LEN 0x150C -#define REG_SRAM_TPD_ADDR 0x1510 -#define REG_SRAM_TPD_LEN 0x1514 -#define REG_SRAM_TRD_ADDR 0x1518 -#define REG_SRAM_TRD_LEN 0x151C -#define REG_SRAM_RXF_ADDR 0x1520 -#define REG_SRAM_RXF_LEN 0x1524 -#define REG_SRAM_TXF_ADDR 0x1528 -#define REG_SRAM_TXF_LEN 0x152C -#define REG_SRAM_TCPH_PATH_ADDR 0x1530 -#define SRAM_TCPH_ADDR_MASK 0xFFF -#define SRAM_TCPH_ADDR_SHIFT 0 -#define SRAM_PATH_ADDR_MASK 0xFFF -#define SRAM_PATH_ADDR_SHIFT 16 - -/* Load Ptr Register */ -#define REG_LOAD_PTR 0x1534 - -/* Descriptor Control registers, low 32 bits */ -#define REG_DESC_RFD_ADDR_LO 0x1544 -#define REG_DESC_RRD_ADDR_LO 0x1548 -#define REG_DESC_TPD_ADDR_LO 0x154C -#define REG_DESC_CMB_ADDR_LO 0x1550 -#define REG_DESC_SMB_ADDR_LO 0x1554 -#define REG_DESC_RFD_RRD_RING_SIZE 0x1558 -#define DESC_RFD_RING_SIZE_MASK 0x7FF -#define DESC_RFD_RING_SIZE_SHIFT 0 -#define DESC_RRD_RING_SIZE_MASK 0x7FF -#define DESC_RRD_RING_SIZE_SHIFT 16 -#define REG_DESC_TPD_RING_SIZE 0x155C -#define DESC_TPD_RING_SIZE_MASK 0x3FF -#define DESC_TPD_RING_SIZE_SHIFT 0 - -/* TXQ Control Register */ -#define REG_TXQ_CTRL 0x1580 -#define TXQ_CTRL_TPD_BURST_NUM_SHIFT 0 -#define TXQ_CTRL_TPD_BURST_NUM_MASK 0x1F -#define TXQ_CTRL_EN 0x20 -#define TXQ_CTRL_ENH_MODE 0x40 -#define TXQ_CTRL_TPD_FETCH_TH_SHIFT 8 -#define TXQ_CTRL_TPD_FETCH_TH_MASK 0x3F -#define TXQ_CTRL_TXF_BURST_NUM_SHIFT 16 -#define TXQ_CTRL_TXF_BURST_NUM_MASK 0xFFFF - -/* Jumbo packet Threshold for task offload */ -#define REG_TX_JUMBO_TASK_TH_TPD_IPG 0x1584 -#define TX_JUMBO_TASK_TH_MASK 0x7FF -#define TX_JUMBO_TASK_TH_SHIFT 0 -#define TX_TPD_MIN_IPG_MASK 0x1F -#define TX_TPD_MIN_IPG_SHIFT 16 - -/* RXQ Control Register */ -#define REG_RXQ_CTRL 0x15A0 -#define RXQ_CTRL_RFD_BURST_NUM_SHIFT 0 -#define RXQ_CTRL_RFD_BURST_NUM_MASK 0xFF -#define RXQ_CTRL_RRD_BURST_THRESH_SHIFT 8 -#define RXQ_CTRL_RRD_BURST_THRESH_MASK 0xFF -#define RXQ_CTRL_RFD_PREF_MIN_IPG_SHIFT 16 -#define RXQ_CTRL_RFD_PREF_MIN_IPG_MASK 0x1F -#define RXQ_CTRL_CUT_THRU_EN 0x40000000 -#define RXQ_CTRL_EN 0x80000000 - -/* Rx jumbo packet threshold and rrd retirement timer */ -#define REG_RXQ_JMBOSZ_RRDTIM 0x15A4 -#define RXQ_JMBOSZ_TH_MASK 0x7FF -#define RXQ_JMBOSZ_TH_SHIFT 0 -#define RXQ_JMBO_LKAH_MASK 0xF -#define RXQ_JMBO_LKAH_SHIFT 11 -#define RXQ_RRD_TIMER_MASK 0xFFFF -#define RXQ_RRD_TIMER_SHIFT 16 - -/* RFD flow control register */ -#define REG_RXQ_RXF_PAUSE_THRESH 0x15A8 -#define RXQ_RXF_PAUSE_TH_HI_SHIFT 16 -#define RXQ_RXF_PAUSE_TH_HI_MASK 0xFFF -#define RXQ_RXF_PAUSE_TH_LO_SHIFT 0 -#define RXQ_RXF_PAUSE_TH_LO_MASK 0xFFF - -/* RRD flow control register */ -#define REG_RXQ_RRD_PAUSE_THRESH 0x15AC -#define RXQ_RRD_PAUSE_TH_HI_SHIFT 0 -#define RXQ_RRD_PAUSE_TH_HI_MASK 0xFFF -#define RXQ_RRD_PAUSE_TH_LO_SHIFT 16 -#define RXQ_RRD_PAUSE_TH_LO_MASK 0xFFF - -/* DMA Engine Control Register */ -#define REG_DMA_CTRL 0x15C0 -#define DMA_CTRL_DMAR_IN_ORDER 0x1 -#define DMA_CTRL_DMAR_ENH_ORDER 0x2 -#define DMA_CTRL_DMAR_OUT_ORDER 0x4 -#define DMA_CTRL_RCB_VALUE 0x8 -#define DMA_CTRL_DMAR_BURST_LEN_SHIFT 4 -#define DMA_CTRL_DMAR_BURST_LEN_MASK 7 -#define DMA_CTRL_DMAW_BURST_LEN_SHIFT 7 -#define DMA_CTRL_DMAW_BURST_LEN_MASK 7 -#define DMA_CTRL_DMAR_EN 0x400 -#define DMA_CTRL_DMAW_EN 0x800 - -/* CMB/SMB Control Register */ -#define REG_CSMB_CTRL 0x15D0 -#define CSMB_CTRL_CMB_NOW 1 -#define CSMB_CTRL_SMB_NOW 2 -#define CSMB_CTRL_CMB_EN 4 -#define CSMB_CTRL_SMB_EN 8 - -/* CMB DMA Write Threshold Register */ -#define REG_CMB_WRITE_TH 0x15D4 -#define CMB_RRD_TH_SHIFT 0 -#define CMB_RRD_TH_MASK 0x7FF -#define CMB_TPD_TH_SHIFT 16 -#define CMB_TPD_TH_MASK 0x7FF - -/* RX/TX count-down timer to trigger CMB-write. 2us resolution. */ -#define REG_CMB_WRITE_TIMER 0x15D8 -#define CMB_RX_TM_SHIFT 0 -#define CMB_RX_TM_MASK 0xFFFF -#define CMB_TX_TM_SHIFT 16 -#define CMB_TX_TM_MASK 0xFFFF - -/* Number of packet received since last CMB write */ -#define REG_CMB_RX_PKT_CNT 0x15DC - -/* Number of packet transmitted since last CMB write */ -#define REG_CMB_TX_PKT_CNT 0x15E0 - -/* SMB auto DMA timer register */ -#define REG_SMB_TIMER 0x15E4 - -/* Mailbox Register */ -#define REG_MAILBOX 0x15F0 -#define MB_RFD_PROD_INDX_SHIFT 0 -#define MB_RFD_PROD_INDX_MASK 0x7FF -#define MB_RRD_CONS_INDX_SHIFT 11 -#define MB_RRD_CONS_INDX_MASK 0x7FF -#define MB_TPD_PROD_INDX_SHIFT 22 -#define MB_TPD_PROD_INDX_MASK 0x3FF - -/* Interrupt Status Register */ -#define ISR_SMB 0x1 -#define ISR_TIMER 0x2 -#define ISR_MANUAL 0x4 -#define ISR_RXF_OV 0x8 -#define ISR_RFD_UNRUN 0x10 -#define ISR_RRD_OV 0x20 -#define ISR_TXF_UNRUN 0x40 -#define ISR_LINK 0x80 -#define ISR_HOST_RFD_UNRUN 0x100 -#define ISR_HOST_RRD_OV 0x200 -#define ISR_DMAR_TO_RST 0x400 -#define ISR_DMAW_TO_RST 0x800 -#define ISR_GPHY 0x1000 -#define ISR_RX_PKT 0x10000 -#define ISR_TX_PKT 0x20000 -#define ISR_TX_DMA 0x40000 -#define ISR_RX_DMA 0x80000 -#define ISR_CMB_RX 0x100000 -#define ISR_CMB_TX 0x200000 -#define ISR_MAC_RX 0x400000 -#define ISR_MAC_TX 0x800000 -#define ISR_DIS_SMB 0x20000000 -#define ISR_DIS_DMA 0x40000000 - -/* Normal Interrupt mask */ -#define IMR_NORMAL_MASK (\ - ISR_SMB |\ - ISR_GPHY |\ - ISR_PHY_LINKDOWN|\ - ISR_DMAR_TO_RST |\ - ISR_DMAW_TO_RST |\ - ISR_CMB_TX |\ - ISR_CMB_RX) - -/* Debug Interrupt Mask (enable all interrupt) */ -#define IMR_DEBUG_MASK (\ - ISR_SMB |\ - ISR_TIMER |\ - ISR_MANUAL |\ - ISR_RXF_OV |\ - ISR_RFD_UNRUN |\ - ISR_RRD_OV |\ - ISR_TXF_UNRUN |\ - ISR_LINK |\ - ISR_CMB_TX |\ - ISR_CMB_RX |\ - ISR_RX_PKT |\ - ISR_TX_PKT |\ - ISR_MAC_RX |\ - ISR_MAC_TX) - -#define MEDIA_TYPE_1000M_FULL 1 -#define MEDIA_TYPE_100M_FULL 2 -#define MEDIA_TYPE_100M_HALF 3 -#define MEDIA_TYPE_10M_FULL 4 -#define MEDIA_TYPE_10M_HALF 5 - -#define AUTONEG_ADVERTISE_SPEED_DEFAULT 0x002F /* All but 1000-Half */ - -#define MAX_JUMBO_FRAME_SIZE 10240 - -#define ATL1_EEDUMP_LEN 48 - -/* Statistics counters collected by the MAC */ -struct stats_msg_block { - /* rx */ - u32 rx_ok; /* good RX packets */ - u32 rx_bcast; /* good RX broadcast packets */ - u32 rx_mcast; /* good RX multicast packets */ - u32 rx_pause; /* RX pause frames */ - u32 rx_ctrl; /* RX control packets other than pause frames */ - u32 rx_fcs_err; /* RX packets with bad FCS */ - u32 rx_len_err; /* RX packets with length != actual size */ - u32 rx_byte_cnt; /* good bytes received. FCS is NOT included */ - u32 rx_runt; /* RX packets < 64 bytes with good FCS */ - u32 rx_frag; /* RX packets < 64 bytes with bad FCS */ - u32 rx_sz_64; /* 64 byte RX packets */ - u32 rx_sz_65_127; - u32 rx_sz_128_255; - u32 rx_sz_256_511; - u32 rx_sz_512_1023; - u32 rx_sz_1024_1518; - u32 rx_sz_1519_max; /* 1519 byte to MTU RX packets */ - u32 rx_sz_ov; /* truncated RX packets > MTU */ - u32 rx_rxf_ov; /* frames dropped due to RX FIFO overflow */ - u32 rx_rrd_ov; /* frames dropped due to RRD overflow */ - u32 rx_align_err; /* alignment errors */ - u32 rx_bcast_byte_cnt; /* RX broadcast bytes, excluding FCS */ - u32 rx_mcast_byte_cnt; /* RX multicast bytes, excluding FCS */ - u32 rx_err_addr; /* packets dropped due to address filtering */ - - /* tx */ - u32 tx_ok; /* good TX packets */ - u32 tx_bcast; /* good TX broadcast packets */ - u32 tx_mcast; /* good TX multicast packets */ - u32 tx_pause; /* TX pause frames */ - u32 tx_exc_defer; /* TX packets deferred excessively */ - u32 tx_ctrl; /* TX control frames, excluding pause frames */ - u32 tx_defer; /* TX packets deferred */ - u32 tx_byte_cnt; /* bytes transmitted, FCS is NOT included */ - u32 tx_sz_64; /* 64 byte TX packets */ - u32 tx_sz_65_127; - u32 tx_sz_128_255; - u32 tx_sz_256_511; - u32 tx_sz_512_1023; - u32 tx_sz_1024_1518; - u32 tx_sz_1519_max; /* 1519 byte to MTU TX packets */ - u32 tx_1_col; /* packets TX after a single collision */ - u32 tx_2_col; /* packets TX after multiple collisions */ - u32 tx_late_col; /* TX packets with late collisions */ - u32 tx_abort_col; /* TX packets aborted w/excessive collisions */ - u32 tx_underrun; /* TX packets aborted due to TX FIFO underrun - * or TRD FIFO underrun */ - u32 tx_rd_eop; /* reads beyond the EOP into the next frame - * when TRD was not written timely */ - u32 tx_len_err; /* TX packets where length != actual size */ - u32 tx_trunc; /* TX packets truncated due to size > MTU */ - u32 tx_bcast_byte; /* broadcast bytes transmitted, excluding FCS */ - u32 tx_mcast_byte; /* multicast bytes transmitted, excluding FCS */ - u32 smb_updated; /* 1: SMB Updated. This is used by software to - * indicate the statistics update. Software - * should clear this bit after retrieving the - * statistics information. */ -}; - -/* Coalescing Message Block */ -struct coals_msg_block { - u32 int_stats; /* interrupt status */ - u16 rrd_prod_idx; /* TRD Producer Index. */ - u16 rfd_cons_idx; /* RFD Consumer Index. */ - u16 update; /* Selene sets this bit every time it DMAs the - * CMB to host memory. Software should clear - * this bit when CMB info is processed. */ - u16 tpd_cons_idx; /* TPD Consumer Index. */ -}; - -/* RRD descriptor */ -struct rx_return_desc { - u8 num_buf; /* Number of RFD buffers used by the received packet */ - u8 resved; - u16 buf_indx; /* RFD Index of the first buffer */ - union { - u32 valid; - struct { - u16 rx_chksum; - u16 pkt_size; - } xsum_sz; - } xsz; - - u16 pkt_flg; /* Packet flags */ - u16 err_flg; /* Error flags */ - u16 resved2; - u16 vlan_tag; /* VLAN TAG */ -}; - -#define PACKET_FLAG_ETH_TYPE 0x0080 -#define PACKET_FLAG_VLAN_INS 0x0100 -#define PACKET_FLAG_ERR 0x0200 -#define PACKET_FLAG_IPV4 0x0400 -#define PACKET_FLAG_UDP 0x0800 -#define PACKET_FLAG_TCP 0x1000 -#define PACKET_FLAG_BCAST 0x2000 -#define PACKET_FLAG_MCAST 0x4000 -#define PACKET_FLAG_PAUSE 0x8000 - -#define ERR_FLAG_CRC 0x0001 -#define ERR_FLAG_CODE 0x0002 -#define ERR_FLAG_DRIBBLE 0x0004 -#define ERR_FLAG_RUNT 0x0008 -#define ERR_FLAG_OV 0x0010 -#define ERR_FLAG_TRUNC 0x0020 -#define ERR_FLAG_IP_CHKSUM 0x0040 -#define ERR_FLAG_L4_CHKSUM 0x0080 -#define ERR_FLAG_LEN 0x0100 -#define ERR_FLAG_DES_ADDR 0x0200 - -/* RFD descriptor */ -struct rx_free_desc { - __le64 buffer_addr; /* Address of the descriptor's data buffer */ - __le16 buf_len; /* Size of the receive buffer in host memory */ - u16 coalese; /* Update consumer index to host after the - * reception of this frame */ - /* __packed is required */ -} __packed; - -/* - * The L1 transmit packet descriptor is comprised of four 32-bit words. - * - * 31 0 - * +---------------------------------------+ - * | Word 0: Buffer addr lo | - * +---------------------------------------+ - * | Word 1: Buffer addr hi | - * +---------------------------------------+ - * | Word 2 | - * +---------------------------------------+ - * | Word 3 | - * +---------------------------------------+ - * - * Words 0 and 1 combine to form a 64-bit buffer address. - * - * Word 2 is self explanatory in the #define block below. - * - * Word 3 has two forms, depending upon the state of bits 3 and 4. - * If bits 3 and 4 are both zero, then bits 14:31 are unused by the - * hardware. Otherwise, if either bit 3 or 4 is set, the definition - * of bits 14:31 vary according to the following depiction. - * - * 0 End of packet 0 End of packet - * 1 Coalesce 1 Coalesce - * 2 Insert VLAN tag 2 Insert VLAN tag - * 3 Custom csum enable = 0 3 Custom csum enable = 1 - * 4 Segment enable = 1 4 Segment enable = 0 - * 5 Generate IP checksum 5 Generate IP checksum - * 6 Generate TCP checksum 6 Generate TCP checksum - * 7 Generate UDP checksum 7 Generate UDP checksum - * 8 VLAN tagged 8 VLAN tagged - * 9 Ethernet frame type 9 Ethernet frame type - * 10-+ 10-+ - * 11 | IP hdr length (10:13) 11 | IP hdr length (10:13) - * 12 | (num 32-bit words) 12 | (num 32-bit words) - * 13-+ 13-+ - * 14-+ 14 Unused - * 15 | TCP hdr length (14:17) 15 Unused - * 16 | (num 32-bit words) 16-+ - * 17-+ 17 | - * 18 Header TPD flag 18 | - * 19-+ 19 | Payload offset - * 20 | 20 | (16:23) - * 21 | 21 | - * 22 | 22 | - * 23 | 23-+ - * 24 | 24-+ - * 25 | MSS (19:31) 25 | - * 26 | 26 | - * 27 | 27 | Custom csum offset - * 28 | 28 | (24:31) - * 29 | 29 | - * 30 | 30 | - * 31-+ 31-+ - */ - -/* tpd word 2 */ -#define TPD_BUFLEN_MASK 0x3FFF -#define TPD_BUFLEN_SHIFT 0 -#define TPD_DMAINT_MASK 0x0001 -#define TPD_DMAINT_SHIFT 14 -#define TPD_PKTNT_MASK 0x0001 -#define TPD_PKTINT_SHIFT 15 -#define TPD_VLANTAG_MASK 0xFFFF -#define TPD_VLANTAG_SHIFT 16 - -/* tpd word 3 bits 0:13 */ -#define TPD_EOP_MASK 0x0001 -#define TPD_EOP_SHIFT 0 -#define TPD_COALESCE_MASK 0x0001 -#define TPD_COALESCE_SHIFT 1 -#define TPD_INS_VL_TAG_MASK 0x0001 -#define TPD_INS_VL_TAG_SHIFT 2 -#define TPD_CUST_CSUM_EN_MASK 0x0001 -#define TPD_CUST_CSUM_EN_SHIFT 3 -#define TPD_SEGMENT_EN_MASK 0x0001 -#define TPD_SEGMENT_EN_SHIFT 4 -#define TPD_IP_CSUM_MASK 0x0001 -#define TPD_IP_CSUM_SHIFT 5 -#define TPD_TCP_CSUM_MASK 0x0001 -#define TPD_TCP_CSUM_SHIFT 6 -#define TPD_UDP_CSUM_MASK 0x0001 -#define TPD_UDP_CSUM_SHIFT 7 -#define TPD_VL_TAGGED_MASK 0x0001 -#define TPD_VL_TAGGED_SHIFT 8 -#define TPD_ETHTYPE_MASK 0x0001 -#define TPD_ETHTYPE_SHIFT 9 -#define TPD_IPHL_MASK 0x000F -#define TPD_IPHL_SHIFT 10 - -/* tpd word 3 bits 14:31 if segment enabled */ -#define TPD_TCPHDRLEN_MASK 0x000F -#define TPD_TCPHDRLEN_SHIFT 14 -#define TPD_HDRFLAG_MASK 0x0001 -#define TPD_HDRFLAG_SHIFT 18 -#define TPD_MSS_MASK 0x1FFF -#define TPD_MSS_SHIFT 19 - -/* tpd word 3 bits 16:31 if custom csum enabled */ -#define TPD_PLOADOFFSET_MASK 0x00FF -#define TPD_PLOADOFFSET_SHIFT 16 -#define TPD_CCSUMOFFSET_MASK 0x00FF -#define TPD_CCSUMOFFSET_SHIFT 24 - -struct tx_packet_desc { - __le64 buffer_addr; - __le32 word2; - __le32 word3; -}; - -/* DMA Order Settings */ -enum atl1_dma_order { - atl1_dma_ord_in = 1, - atl1_dma_ord_enh = 2, - atl1_dma_ord_out = 4 -}; - -enum atl1_dma_rcb { - atl1_rcb_64 = 0, - atl1_rcb_128 = 1 -}; - -enum atl1_dma_req_block { - atl1_dma_req_128 = 0, - atl1_dma_req_256 = 1, - atl1_dma_req_512 = 2, - atl1_dma_req_1024 = 3, - atl1_dma_req_2048 = 4, - atl1_dma_req_4096 = 5 -}; - -#define ATL1_MAX_INTR 3 -#define ATL1_MAX_TX_BUF_LEN 0x3000 /* 12288 bytes */ - -#define ATL1_DEFAULT_TPD 256 -#define ATL1_MAX_TPD 1024 -#define ATL1_MIN_TPD 64 -#define ATL1_DEFAULT_RFD 512 -#define ATL1_MIN_RFD 128 -#define ATL1_MAX_RFD 2048 -#define ATL1_REG_COUNT 1538 - -#define ATL1_GET_DESC(R, i, type) (&(((type *)((R)->desc))[i])) -#define ATL1_RFD_DESC(R, i) ATL1_GET_DESC(R, i, struct rx_free_desc) -#define ATL1_TPD_DESC(R, i) ATL1_GET_DESC(R, i, struct tx_packet_desc) -#define ATL1_RRD_DESC(R, i) ATL1_GET_DESC(R, i, struct rx_return_desc) - -/* - * atl1_ring_header represents a single, contiguous block of DMA space - * mapped for the three descriptor rings (tpd, rfd, rrd) and the two - * message blocks (cmb, smb) described below - */ -struct atl1_ring_header { - void *desc; /* virtual address */ - dma_addr_t dma; /* physical address*/ - unsigned int size; /* length in bytes */ -}; - -/* - * atl1_buffer is wrapper around a pointer to a socket buffer - * so a DMA handle can be stored along with the skb - */ -struct atl1_buffer { - struct sk_buff *skb; /* socket buffer */ - u16 length; /* rx buffer length */ - u16 alloced; /* 1 if skb allocated */ - dma_addr_t dma; -}; - -/* transmit packet descriptor (tpd) ring */ -struct atl1_tpd_ring { - void *desc; /* descriptor ring virtual address */ - dma_addr_t dma; /* descriptor ring physical address */ - u16 size; /* descriptor ring length in bytes */ - u16 count; /* number of descriptors in the ring */ - u16 hw_idx; /* hardware index */ - atomic_t next_to_clean; - atomic_t next_to_use; - struct atl1_buffer *buffer_info; -}; - -/* receive free descriptor (rfd) ring */ -struct atl1_rfd_ring { - void *desc; /* descriptor ring virtual address */ - dma_addr_t dma; /* descriptor ring physical address */ - u16 size; /* descriptor ring length in bytes */ - u16 count; /* number of descriptors in the ring */ - atomic_t next_to_use; - u16 next_to_clean; - struct atl1_buffer *buffer_info; -}; - -/* receive return descriptor (rrd) ring */ -struct atl1_rrd_ring { - void *desc; /* descriptor ring virtual address */ - dma_addr_t dma; /* descriptor ring physical address */ - unsigned int size; /* descriptor ring length in bytes */ - u16 count; /* number of descriptors in the ring */ - u16 next_to_use; - atomic_t next_to_clean; -}; - -/* coalescing message block (cmb) */ -struct atl1_cmb { - struct coals_msg_block *cmb; - dma_addr_t dma; -}; - -/* statistics message block (smb) */ -struct atl1_smb { - struct stats_msg_block *smb; - dma_addr_t dma; -}; - -/* Statistics counters */ -struct atl1_sft_stats { - u64 rx_packets; - u64 tx_packets; - u64 rx_bytes; - u64 tx_bytes; - u64 multicast; - u64 collisions; - u64 rx_errors; - u64 rx_length_errors; - u64 rx_crc_errors; - u64 rx_frame_errors; - u64 rx_fifo_errors; - u64 rx_missed_errors; - u64 tx_errors; - u64 tx_fifo_errors; - u64 tx_aborted_errors; - u64 tx_window_errors; - u64 tx_carrier_errors; - u64 tx_pause; /* TX pause frames */ - u64 excecol; /* TX packets w/ excessive collisions */ - u64 deffer; /* TX packets deferred */ - u64 scc; /* packets TX after a single collision */ - u64 mcc; /* packets TX after multiple collisions */ - u64 latecol; /* TX packets w/ late collisions */ - u64 tx_underun; /* TX packets aborted due to TX FIFO underrun - * or TRD FIFO underrun */ - u64 tx_trunc; /* TX packets truncated due to size > MTU */ - u64 rx_pause; /* num Pause packets received. */ - u64 rx_rrd_ov; - u64 rx_trunc; -}; - -/* hardware structure */ -struct atl1_hw { - u8 __iomem *hw_addr; - struct atl1_adapter *back; - enum atl1_dma_order dma_ord; - enum atl1_dma_rcb rcb_value; - enum atl1_dma_req_block dmar_block; - enum atl1_dma_req_block dmaw_block; - u8 preamble_len; - u8 max_retry; - u8 jam_ipg; /* IPG to start JAM for collision based flow - * control in half-duplex mode. In units of - * 8-bit time */ - u8 ipgt; /* Desired back to back inter-packet gap. - * The default is 96-bit time */ - u8 min_ifg; /* Minimum number of IFG to enforce in between - * receive frames. Frame gap below such IFP - * is dropped */ - u8 ipgr1; /* 64bit Carrier-Sense window */ - u8 ipgr2; /* 96-bit IPG window */ - u8 tpd_burst; /* Number of TPD to prefetch in cache-aligned - * burst. Each TPD is 16 bytes long */ - u8 rfd_burst; /* Number of RFD to prefetch in cache-aligned - * burst. Each RFD is 12 bytes long */ - u8 rfd_fetch_gap; - u8 rrd_burst; /* Threshold number of RRDs that can be retired - * in a burst. Each RRD is 16 bytes long */ - u8 tpd_fetch_th; - u8 tpd_fetch_gap; - u16 tx_jumbo_task_th; - u16 txf_burst; /* Number of data bytes to read in a cache- - * aligned burst. Each SRAM entry is 8 bytes */ - u16 rx_jumbo_th; /* Jumbo packet size for non-VLAN packet. VLAN - * packets should add 4 bytes */ - u16 rx_jumbo_lkah; - u16 rrd_ret_timer; /* RRD retirement timer. Decrement by 1 after - * every 512ns passes. */ - u16 lcol; /* Collision Window */ - - u16 cmb_tpd; - u16 cmb_rrd; - u16 cmb_rx_timer; - u16 cmb_tx_timer; - u32 smb_timer; - u16 media_type; - u16 autoneg_advertised; - - u16 mii_autoneg_adv_reg; - u16 mii_1000t_ctrl_reg; - - u32 max_frame_size; - u32 min_frame_size; - - u16 dev_rev; - - /* spi flash */ - u8 flash_vendor; - - u8 mac_addr[ETH_ALEN]; - u8 perm_mac_addr[ETH_ALEN]; - - bool phy_configured; -}; - -struct atl1_adapter { - struct net_device *netdev; - struct pci_dev *pdev; - - struct atl1_sft_stats soft_stats; - u32 rx_buffer_len; - u32 wol; - u16 link_speed; - u16 link_duplex; - spinlock_t lock; - struct work_struct tx_timeout_task; - struct work_struct link_chg_task; - struct work_struct pcie_dma_to_rst_task; - - struct timer_list phy_config_timer; - bool phy_timer_pending; - - /* all descriptor rings' memory */ - struct atl1_ring_header ring_header; - - /* TX */ - struct atl1_tpd_ring tpd_ring; - spinlock_t mb_lock; - - /* RX */ - struct atl1_rfd_ring rfd_ring; - struct atl1_rrd_ring rrd_ring; - u64 hw_csum_err; - u64 hw_csum_good; - u32 msg_enable; - u16 imt; /* interrupt moderator timer (2us resolution) */ - u16 ict; /* interrupt clear timer (2us resolution */ - struct mii_if_info mii; /* MII interface info */ - - u32 bd_number; /* board number */ - bool pci_using_64; - struct atl1_hw hw; - struct atl1_smb smb; - struct atl1_cmb cmb; -}; - -#endif /* ATL1_H */ diff --git a/drivers/net/atlx/atl2.c b/drivers/net/atlx/atl2.c deleted file mode 100644 index d4f7dda39721..000000000000 --- a/drivers/net/atlx/atl2.c +++ /dev/null @@ -1,3119 +0,0 @@ -/* - * Copyright(c) 2006 - 2007 Atheros Corporation. All rights reserved. - * Copyright(c) 2007 - 2008 Chris Snook - * - * Derived from Intel e1000 driver - * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., 59 - * Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include "atl2.h" - -#define ATL2_DRV_VERSION "2.2.3" - -static const char atl2_driver_name[] = "atl2"; -static const char atl2_driver_string[] = "Atheros(R) L2 Ethernet Driver"; -static const char atl2_copyright[] = "Copyright (c) 2007 Atheros Corporation."; -static const char atl2_driver_version[] = ATL2_DRV_VERSION; - -MODULE_AUTHOR("Atheros Corporation , Chris Snook "); -MODULE_DESCRIPTION("Atheros Fast Ethernet Network Driver"); -MODULE_LICENSE("GPL"); -MODULE_VERSION(ATL2_DRV_VERSION); - -/* - * atl2_pci_tbl - PCI Device ID Table - */ -static DEFINE_PCI_DEVICE_TABLE(atl2_pci_tbl) = { - {PCI_DEVICE(PCI_VENDOR_ID_ATTANSIC, PCI_DEVICE_ID_ATTANSIC_L2)}, - /* required last entry */ - {0,} -}; -MODULE_DEVICE_TABLE(pci, atl2_pci_tbl); - -static void atl2_set_ethtool_ops(struct net_device *netdev); - -static void atl2_check_options(struct atl2_adapter *adapter); - -/* - * atl2_sw_init - Initialize general software structures (struct atl2_adapter) - * @adapter: board private structure to initialize - * - * atl2_sw_init initializes the Adapter private data structure. - * Fields are initialized based on PCI device information and - * OS network device settings (MTU size). - */ -static int __devinit atl2_sw_init(struct atl2_adapter *adapter) -{ - struct atl2_hw *hw = &adapter->hw; - struct pci_dev *pdev = adapter->pdev; - - /* PCI config space info */ - hw->vendor_id = pdev->vendor; - hw->device_id = pdev->device; - hw->subsystem_vendor_id = pdev->subsystem_vendor; - hw->subsystem_id = pdev->subsystem_device; - hw->revision_id = pdev->revision; - - pci_read_config_word(pdev, PCI_COMMAND, &hw->pci_cmd_word); - - adapter->wol = 0; - adapter->ict = 50000; /* ~100ms */ - adapter->link_speed = SPEED_0; /* hardware init */ - adapter->link_duplex = FULL_DUPLEX; - - hw->phy_configured = false; - hw->preamble_len = 7; - hw->ipgt = 0x60; - hw->min_ifg = 0x50; - hw->ipgr1 = 0x40; - hw->ipgr2 = 0x60; - hw->retry_buf = 2; - hw->max_retry = 0xf; - hw->lcol = 0x37; - hw->jam_ipg = 7; - hw->fc_rxd_hi = 0; - hw->fc_rxd_lo = 0; - hw->max_frame_size = adapter->netdev->mtu; - - spin_lock_init(&adapter->stats_lock); - - set_bit(__ATL2_DOWN, &adapter->flags); - - return 0; -} - -/* - * atl2_set_multi - Multicast and Promiscuous mode set - * @netdev: network interface device structure - * - * The set_multi entry point is called whenever the multicast address - * list or the network interface flags are updated. This routine is - * responsible for configuring the hardware for proper multicast, - * promiscuous mode, and all-multi behavior. - */ -static void atl2_set_multi(struct net_device *netdev) -{ - struct atl2_adapter *adapter = netdev_priv(netdev); - struct atl2_hw *hw = &adapter->hw; - struct netdev_hw_addr *ha; - u32 rctl; - u32 hash_value; - - /* Check for Promiscuous and All Multicast modes */ - rctl = ATL2_READ_REG(hw, REG_MAC_CTRL); - - if (netdev->flags & IFF_PROMISC) { - rctl |= MAC_CTRL_PROMIS_EN; - } else if (netdev->flags & IFF_ALLMULTI) { - rctl |= MAC_CTRL_MC_ALL_EN; - rctl &= ~MAC_CTRL_PROMIS_EN; - } else - rctl &= ~(MAC_CTRL_PROMIS_EN | MAC_CTRL_MC_ALL_EN); - - ATL2_WRITE_REG(hw, REG_MAC_CTRL, rctl); - - /* clear the old settings from the multicast hash table */ - ATL2_WRITE_REG(hw, REG_RX_HASH_TABLE, 0); - ATL2_WRITE_REG_ARRAY(hw, REG_RX_HASH_TABLE, 1, 0); - - /* comoute mc addresses' hash value ,and put it into hash table */ - netdev_for_each_mc_addr(ha, netdev) { - hash_value = atl2_hash_mc_addr(hw, ha->addr); - atl2_hash_set(hw, hash_value); - } -} - -static void init_ring_ptrs(struct atl2_adapter *adapter) -{ - /* Read / Write Ptr Initialize: */ - adapter->txd_write_ptr = 0; - atomic_set(&adapter->txd_read_ptr, 0); - - adapter->rxd_read_ptr = 0; - adapter->rxd_write_ptr = 0; - - atomic_set(&adapter->txs_write_ptr, 0); - adapter->txs_next_clear = 0; -} - -/* - * atl2_configure - Configure Transmit&Receive Unit after Reset - * @adapter: board private structure - * - * Configure the Tx /Rx unit of the MAC after a reset. - */ -static int atl2_configure(struct atl2_adapter *adapter) -{ - struct atl2_hw *hw = &adapter->hw; - u32 value; - - /* clear interrupt status */ - ATL2_WRITE_REG(&adapter->hw, REG_ISR, 0xffffffff); - - /* set MAC Address */ - value = (((u32)hw->mac_addr[2]) << 24) | - (((u32)hw->mac_addr[3]) << 16) | - (((u32)hw->mac_addr[4]) << 8) | - (((u32)hw->mac_addr[5])); - ATL2_WRITE_REG(hw, REG_MAC_STA_ADDR, value); - value = (((u32)hw->mac_addr[0]) << 8) | - (((u32)hw->mac_addr[1])); - ATL2_WRITE_REG(hw, (REG_MAC_STA_ADDR+4), value); - - /* HI base address */ - ATL2_WRITE_REG(hw, REG_DESC_BASE_ADDR_HI, - (u32)((adapter->ring_dma & 0xffffffff00000000ULL) >> 32)); - - /* LO base address */ - ATL2_WRITE_REG(hw, REG_TXD_BASE_ADDR_LO, - (u32)(adapter->txd_dma & 0x00000000ffffffffULL)); - ATL2_WRITE_REG(hw, REG_TXS_BASE_ADDR_LO, - (u32)(adapter->txs_dma & 0x00000000ffffffffULL)); - ATL2_WRITE_REG(hw, REG_RXD_BASE_ADDR_LO, - (u32)(adapter->rxd_dma & 0x00000000ffffffffULL)); - - /* element count */ - ATL2_WRITE_REGW(hw, REG_TXD_MEM_SIZE, (u16)(adapter->txd_ring_size/4)); - ATL2_WRITE_REGW(hw, REG_TXS_MEM_SIZE, (u16)adapter->txs_ring_size); - ATL2_WRITE_REGW(hw, REG_RXD_BUF_NUM, (u16)adapter->rxd_ring_size); - - /* config Internal SRAM */ -/* - ATL2_WRITE_REGW(hw, REG_SRAM_TXRAM_END, sram_tx_end); - ATL2_WRITE_REGW(hw, REG_SRAM_TXRAM_END, sram_rx_end); -*/ - - /* config IPG/IFG */ - value = (((u32)hw->ipgt & MAC_IPG_IFG_IPGT_MASK) << - MAC_IPG_IFG_IPGT_SHIFT) | - (((u32)hw->min_ifg & MAC_IPG_IFG_MIFG_MASK) << - MAC_IPG_IFG_MIFG_SHIFT) | - (((u32)hw->ipgr1 & MAC_IPG_IFG_IPGR1_MASK) << - MAC_IPG_IFG_IPGR1_SHIFT)| - (((u32)hw->ipgr2 & MAC_IPG_IFG_IPGR2_MASK) << - MAC_IPG_IFG_IPGR2_SHIFT); - ATL2_WRITE_REG(hw, REG_MAC_IPG_IFG, value); - - /* config Half-Duplex Control */ - value = ((u32)hw->lcol & MAC_HALF_DUPLX_CTRL_LCOL_MASK) | - (((u32)hw->max_retry & MAC_HALF_DUPLX_CTRL_RETRY_MASK) << - MAC_HALF_DUPLX_CTRL_RETRY_SHIFT) | - MAC_HALF_DUPLX_CTRL_EXC_DEF_EN | - (0xa << MAC_HALF_DUPLX_CTRL_ABEBT_SHIFT) | - (((u32)hw->jam_ipg & MAC_HALF_DUPLX_CTRL_JAMIPG_MASK) << - MAC_HALF_DUPLX_CTRL_JAMIPG_SHIFT); - ATL2_WRITE_REG(hw, REG_MAC_HALF_DUPLX_CTRL, value); - - /* set Interrupt Moderator Timer */ - ATL2_WRITE_REGW(hw, REG_IRQ_MODU_TIMER_INIT, adapter->imt); - ATL2_WRITE_REG(hw, REG_MASTER_CTRL, MASTER_CTRL_ITIMER_EN); - - /* set Interrupt Clear Timer */ - ATL2_WRITE_REGW(hw, REG_CMBDISDMA_TIMER, adapter->ict); - - /* set MTU */ - ATL2_WRITE_REG(hw, REG_MTU, adapter->netdev->mtu + - ENET_HEADER_SIZE + VLAN_SIZE + ETHERNET_FCS_SIZE); - - /* 1590 */ - ATL2_WRITE_REG(hw, REG_TX_CUT_THRESH, 0x177); - - /* flow control */ - ATL2_WRITE_REGW(hw, REG_PAUSE_ON_TH, hw->fc_rxd_hi); - ATL2_WRITE_REGW(hw, REG_PAUSE_OFF_TH, hw->fc_rxd_lo); - - /* Init mailbox */ - ATL2_WRITE_REGW(hw, REG_MB_TXD_WR_IDX, (u16)adapter->txd_write_ptr); - ATL2_WRITE_REGW(hw, REG_MB_RXD_RD_IDX, (u16)adapter->rxd_read_ptr); - - /* enable DMA read/write */ - ATL2_WRITE_REGB(hw, REG_DMAR, DMAR_EN); - ATL2_WRITE_REGB(hw, REG_DMAW, DMAW_EN); - - value = ATL2_READ_REG(&adapter->hw, REG_ISR); - if ((value & ISR_PHY_LINKDOWN) != 0) - value = 1; /* config failed */ - else - value = 0; - - /* clear all interrupt status */ - ATL2_WRITE_REG(&adapter->hw, REG_ISR, 0x3fffffff); - ATL2_WRITE_REG(&adapter->hw, REG_ISR, 0); - return value; -} - -/* - * atl2_setup_ring_resources - allocate Tx / RX descriptor resources - * @adapter: board private structure - * - * Return 0 on success, negative on failure - */ -static s32 atl2_setup_ring_resources(struct atl2_adapter *adapter) -{ - struct pci_dev *pdev = adapter->pdev; - int size; - u8 offset = 0; - - /* real ring DMA buffer */ - adapter->ring_size = size = - adapter->txd_ring_size * 1 + 7 + /* dword align */ - adapter->txs_ring_size * 4 + 7 + /* dword align */ - adapter->rxd_ring_size * 1536 + 127; /* 128bytes align */ - - adapter->ring_vir_addr = pci_alloc_consistent(pdev, size, - &adapter->ring_dma); - if (!adapter->ring_vir_addr) - return -ENOMEM; - memset(adapter->ring_vir_addr, 0, adapter->ring_size); - - /* Init TXD Ring */ - adapter->txd_dma = adapter->ring_dma ; - offset = (adapter->txd_dma & 0x7) ? (8 - (adapter->txd_dma & 0x7)) : 0; - adapter->txd_dma += offset; - adapter->txd_ring = adapter->ring_vir_addr + offset; - - /* Init TXS Ring */ - adapter->txs_dma = adapter->txd_dma + adapter->txd_ring_size; - offset = (adapter->txs_dma & 0x7) ? (8 - (adapter->txs_dma & 0x7)) : 0; - adapter->txs_dma += offset; - adapter->txs_ring = (struct tx_pkt_status *) - (((u8 *)adapter->txd_ring) + (adapter->txd_ring_size + offset)); - - /* Init RXD Ring */ - adapter->rxd_dma = adapter->txs_dma + adapter->txs_ring_size * 4; - offset = (adapter->rxd_dma & 127) ? - (128 - (adapter->rxd_dma & 127)) : 0; - if (offset > 7) - offset -= 8; - else - offset += (128 - 8); - - adapter->rxd_dma += offset; - adapter->rxd_ring = (struct rx_desc *) (((u8 *)adapter->txs_ring) + - (adapter->txs_ring_size * 4 + offset)); - -/* - * Read / Write Ptr Initialize: - * init_ring_ptrs(adapter); - */ - return 0; -} - -/* - * atl2_irq_enable - Enable default interrupt generation settings - * @adapter: board private structure - */ -static inline void atl2_irq_enable(struct atl2_adapter *adapter) -{ - ATL2_WRITE_REG(&adapter->hw, REG_IMR, IMR_NORMAL_MASK); - ATL2_WRITE_FLUSH(&adapter->hw); -} - -/* - * atl2_irq_disable - Mask off interrupt generation on the NIC - * @adapter: board private structure - */ -static inline void atl2_irq_disable(struct atl2_adapter *adapter) -{ - ATL2_WRITE_REG(&adapter->hw, REG_IMR, 0); - ATL2_WRITE_FLUSH(&adapter->hw); - synchronize_irq(adapter->pdev->irq); -} - -static void __atl2_vlan_mode(u32 features, u32 *ctrl) -{ - if (features & NETIF_F_HW_VLAN_RX) { - /* enable VLAN tag insert/strip */ - *ctrl |= MAC_CTRL_RMV_VLAN; - } else { - /* disable VLAN tag insert/strip */ - *ctrl &= ~MAC_CTRL_RMV_VLAN; - } -} - -static void atl2_vlan_mode(struct net_device *netdev, u32 features) -{ - struct atl2_adapter *adapter = netdev_priv(netdev); - u32 ctrl; - - atl2_irq_disable(adapter); - - ctrl = ATL2_READ_REG(&adapter->hw, REG_MAC_CTRL); - __atl2_vlan_mode(features, &ctrl); - ATL2_WRITE_REG(&adapter->hw, REG_MAC_CTRL, ctrl); - - atl2_irq_enable(adapter); -} - -static void atl2_restore_vlan(struct atl2_adapter *adapter) -{ - atl2_vlan_mode(adapter->netdev, adapter->netdev->features); -} - -static u32 atl2_fix_features(struct net_device *netdev, u32 features) -{ - /* - * Since there is no support for separate rx/tx vlan accel - * enable/disable make sure tx flag is always in same state as rx. - */ - if (features & NETIF_F_HW_VLAN_RX) - features |= NETIF_F_HW_VLAN_TX; - else - features &= ~NETIF_F_HW_VLAN_TX; - - return features; -} - -static int atl2_set_features(struct net_device *netdev, u32 features) -{ - u32 changed = netdev->features ^ features; - - if (changed & NETIF_F_HW_VLAN_RX) - atl2_vlan_mode(netdev, features); - - return 0; -} - -static void atl2_intr_rx(struct atl2_adapter *adapter) -{ - struct net_device *netdev = adapter->netdev; - struct rx_desc *rxd; - struct sk_buff *skb; - - do { - rxd = adapter->rxd_ring+adapter->rxd_write_ptr; - if (!rxd->status.update) - break; /* end of tx */ - - /* clear this flag at once */ - rxd->status.update = 0; - - if (rxd->status.ok && rxd->status.pkt_size >= 60) { - int rx_size = (int)(rxd->status.pkt_size - 4); - /* alloc new buffer */ - skb = netdev_alloc_skb_ip_align(netdev, rx_size); - if (NULL == skb) { - printk(KERN_WARNING - "%s: Mem squeeze, deferring packet.\n", - netdev->name); - /* - * Check that some rx space is free. If not, - * free one and mark stats->rx_dropped++. - */ - netdev->stats.rx_dropped++; - break; - } - memcpy(skb->data, rxd->packet, rx_size); - skb_put(skb, rx_size); - skb->protocol = eth_type_trans(skb, netdev); - if (rxd->status.vlan) { - u16 vlan_tag = (rxd->status.vtag>>4) | - ((rxd->status.vtag&7) << 13) | - ((rxd->status.vtag&8) << 9); - - __vlan_hwaccel_put_tag(skb, vlan_tag); - } - netif_rx(skb); - netdev->stats.rx_bytes += rx_size; - netdev->stats.rx_packets++; - } else { - netdev->stats.rx_errors++; - - if (rxd->status.ok && rxd->status.pkt_size <= 60) - netdev->stats.rx_length_errors++; - if (rxd->status.mcast) - netdev->stats.multicast++; - if (rxd->status.crc) - netdev->stats.rx_crc_errors++; - if (rxd->status.align) - netdev->stats.rx_frame_errors++; - } - - /* advance write ptr */ - if (++adapter->rxd_write_ptr == adapter->rxd_ring_size) - adapter->rxd_write_ptr = 0; - } while (1); - - /* update mailbox? */ - adapter->rxd_read_ptr = adapter->rxd_write_ptr; - ATL2_WRITE_REGW(&adapter->hw, REG_MB_RXD_RD_IDX, adapter->rxd_read_ptr); -} - -static void atl2_intr_tx(struct atl2_adapter *adapter) -{ - struct net_device *netdev = adapter->netdev; - u32 txd_read_ptr; - u32 txs_write_ptr; - struct tx_pkt_status *txs; - struct tx_pkt_header *txph; - int free_hole = 0; - - do { - txs_write_ptr = (u32) atomic_read(&adapter->txs_write_ptr); - txs = adapter->txs_ring + txs_write_ptr; - if (!txs->update) - break; /* tx stop here */ - - free_hole = 1; - txs->update = 0; - - if (++txs_write_ptr == adapter->txs_ring_size) - txs_write_ptr = 0; - atomic_set(&adapter->txs_write_ptr, (int)txs_write_ptr); - - txd_read_ptr = (u32) atomic_read(&adapter->txd_read_ptr); - txph = (struct tx_pkt_header *) - (((u8 *)adapter->txd_ring) + txd_read_ptr); - - if (txph->pkt_size != txs->pkt_size) { - struct tx_pkt_status *old_txs = txs; - printk(KERN_WARNING - "%s: txs packet size not consistent with txd" - " txd_:0x%08x, txs_:0x%08x!\n", - adapter->netdev->name, - *(u32 *)txph, *(u32 *)txs); - printk(KERN_WARNING - "txd read ptr: 0x%x\n", - txd_read_ptr); - txs = adapter->txs_ring + txs_write_ptr; - printk(KERN_WARNING - "txs-behind:0x%08x\n", - *(u32 *)txs); - if (txs_write_ptr < 2) { - txs = adapter->txs_ring + - (adapter->txs_ring_size + - txs_write_ptr - 2); - } else { - txs = adapter->txs_ring + (txs_write_ptr - 2); - } - printk(KERN_WARNING - "txs-before:0x%08x\n", - *(u32 *)txs); - txs = old_txs; - } - - /* 4for TPH */ - txd_read_ptr += (((u32)(txph->pkt_size) + 7) & ~3); - if (txd_read_ptr >= adapter->txd_ring_size) - txd_read_ptr -= adapter->txd_ring_size; - - atomic_set(&adapter->txd_read_ptr, (int)txd_read_ptr); - - /* tx statistics: */ - if (txs->ok) { - netdev->stats.tx_bytes += txs->pkt_size; - netdev->stats.tx_packets++; - } - else - netdev->stats.tx_errors++; - - if (txs->defer) - netdev->stats.collisions++; - if (txs->abort_col) - netdev->stats.tx_aborted_errors++; - if (txs->late_col) - netdev->stats.tx_window_errors++; - if (txs->underun) - netdev->stats.tx_fifo_errors++; - } while (1); - - if (free_hole) { - if (netif_queue_stopped(adapter->netdev) && - netif_carrier_ok(adapter->netdev)) - netif_wake_queue(adapter->netdev); - } -} - -static void atl2_check_for_link(struct atl2_adapter *adapter) -{ - struct net_device *netdev = adapter->netdev; - u16 phy_data = 0; - - spin_lock(&adapter->stats_lock); - atl2_read_phy_reg(&adapter->hw, MII_BMSR, &phy_data); - atl2_read_phy_reg(&adapter->hw, MII_BMSR, &phy_data); - spin_unlock(&adapter->stats_lock); - - /* notify upper layer link down ASAP */ - if (!(phy_data & BMSR_LSTATUS)) { /* Link Down */ - if (netif_carrier_ok(netdev)) { /* old link state: Up */ - printk(KERN_INFO "%s: %s NIC Link is Down\n", - atl2_driver_name, netdev->name); - adapter->link_speed = SPEED_0; - netif_carrier_off(netdev); - netif_stop_queue(netdev); - } - } - schedule_work(&adapter->link_chg_task); -} - -static inline void atl2_clear_phy_int(struct atl2_adapter *adapter) -{ - u16 phy_data; - spin_lock(&adapter->stats_lock); - atl2_read_phy_reg(&adapter->hw, 19, &phy_data); - spin_unlock(&adapter->stats_lock); -} - -/* - * atl2_intr - Interrupt Handler - * @irq: interrupt number - * @data: pointer to a network interface device structure - * @pt_regs: CPU registers structure - */ -static irqreturn_t atl2_intr(int irq, void *data) -{ - struct atl2_adapter *adapter = netdev_priv(data); - struct atl2_hw *hw = &adapter->hw; - u32 status; - - status = ATL2_READ_REG(hw, REG_ISR); - if (0 == status) - return IRQ_NONE; - - /* link event */ - if (status & ISR_PHY) - atl2_clear_phy_int(adapter); - - /* clear ISR status, and Enable CMB DMA/Disable Interrupt */ - ATL2_WRITE_REG(hw, REG_ISR, status | ISR_DIS_INT); - - /* check if PCIE PHY Link down */ - if (status & ISR_PHY_LINKDOWN) { - if (netif_running(adapter->netdev)) { /* reset MAC */ - ATL2_WRITE_REG(hw, REG_ISR, 0); - ATL2_WRITE_REG(hw, REG_IMR, 0); - ATL2_WRITE_FLUSH(hw); - schedule_work(&adapter->reset_task); - return IRQ_HANDLED; - } - } - - /* check if DMA read/write error? */ - if (status & (ISR_DMAR_TO_RST | ISR_DMAW_TO_RST)) { - ATL2_WRITE_REG(hw, REG_ISR, 0); - ATL2_WRITE_REG(hw, REG_IMR, 0); - ATL2_WRITE_FLUSH(hw); - schedule_work(&adapter->reset_task); - return IRQ_HANDLED; - } - - /* link event */ - if (status & (ISR_PHY | ISR_MANUAL)) { - adapter->netdev->stats.tx_carrier_errors++; - atl2_check_for_link(adapter); - } - - /* transmit event */ - if (status & ISR_TX_EVENT) - atl2_intr_tx(adapter); - - /* rx exception */ - if (status & ISR_RX_EVENT) - atl2_intr_rx(adapter); - - /* re-enable Interrupt */ - ATL2_WRITE_REG(&adapter->hw, REG_ISR, 0); - return IRQ_HANDLED; -} - -static int atl2_request_irq(struct atl2_adapter *adapter) -{ - struct net_device *netdev = adapter->netdev; - int flags, err = 0; - - flags = IRQF_SHARED; - adapter->have_msi = true; - err = pci_enable_msi(adapter->pdev); - if (err) - adapter->have_msi = false; - - if (adapter->have_msi) - flags &= ~IRQF_SHARED; - - return request_irq(adapter->pdev->irq, atl2_intr, flags, netdev->name, - netdev); -} - -/* - * atl2_free_ring_resources - Free Tx / RX descriptor Resources - * @adapter: board private structure - * - * Free all transmit software resources - */ -static void atl2_free_ring_resources(struct atl2_adapter *adapter) -{ - struct pci_dev *pdev = adapter->pdev; - pci_free_consistent(pdev, adapter->ring_size, adapter->ring_vir_addr, - adapter->ring_dma); -} - -/* - * atl2_open - Called when a network interface is made active - * @netdev: network interface device structure - * - * Returns 0 on success, negative value on failure - * - * The open entry point is called when a network interface is made - * active by the system (IFF_UP). At this point all resources needed - * for transmit and receive operations are allocated, the interrupt - * handler is registered with the OS, the watchdog timer is started, - * and the stack is notified that the interface is ready. - */ -static int atl2_open(struct net_device *netdev) -{ - struct atl2_adapter *adapter = netdev_priv(netdev); - int err; - u32 val; - - /* disallow open during test */ - if (test_bit(__ATL2_TESTING, &adapter->flags)) - return -EBUSY; - - /* allocate transmit descriptors */ - err = atl2_setup_ring_resources(adapter); - if (err) - return err; - - err = atl2_init_hw(&adapter->hw); - if (err) { - err = -EIO; - goto err_init_hw; - } - - /* hardware has been reset, we need to reload some things */ - atl2_set_multi(netdev); - init_ring_ptrs(adapter); - - atl2_restore_vlan(adapter); - - if (atl2_configure(adapter)) { - err = -EIO; - goto err_config; - } - - err = atl2_request_irq(adapter); - if (err) - goto err_req_irq; - - clear_bit(__ATL2_DOWN, &adapter->flags); - - mod_timer(&adapter->watchdog_timer, round_jiffies(jiffies + 4*HZ)); - - val = ATL2_READ_REG(&adapter->hw, REG_MASTER_CTRL); - ATL2_WRITE_REG(&adapter->hw, REG_MASTER_CTRL, - val | MASTER_CTRL_MANUAL_INT); - - atl2_irq_enable(adapter); - - return 0; - -err_init_hw: -err_req_irq: -err_config: - atl2_free_ring_resources(adapter); - atl2_reset_hw(&adapter->hw); - - return err; -} - -static void atl2_down(struct atl2_adapter *adapter) -{ - struct net_device *netdev = adapter->netdev; - - /* signal that we're down so the interrupt handler does not - * reschedule our watchdog timer */ - set_bit(__ATL2_DOWN, &adapter->flags); - - netif_tx_disable(netdev); - - /* reset MAC to disable all RX/TX */ - atl2_reset_hw(&adapter->hw); - msleep(1); - - atl2_irq_disable(adapter); - - del_timer_sync(&adapter->watchdog_timer); - del_timer_sync(&adapter->phy_config_timer); - clear_bit(0, &adapter->cfg_phy); - - netif_carrier_off(netdev); - adapter->link_speed = SPEED_0; - adapter->link_duplex = -1; -} - -static void atl2_free_irq(struct atl2_adapter *adapter) -{ - struct net_device *netdev = adapter->netdev; - - free_irq(adapter->pdev->irq, netdev); - -#ifdef CONFIG_PCI_MSI - if (adapter->have_msi) - pci_disable_msi(adapter->pdev); -#endif -} - -/* - * atl2_close - Disables a network interface - * @netdev: network interface device structure - * - * Returns 0, this is not allowed to fail - * - * The close entry point is called when an interface is de-activated - * by the OS. The hardware is still under the drivers control, but - * needs to be disabled. A global MAC reset is issued to stop the - * hardware, and all transmit and receive resources are freed. - */ -static int atl2_close(struct net_device *netdev) -{ - struct atl2_adapter *adapter = netdev_priv(netdev); - - WARN_ON(test_bit(__ATL2_RESETTING, &adapter->flags)); - - atl2_down(adapter); - atl2_free_irq(adapter); - atl2_free_ring_resources(adapter); - - return 0; -} - -static inline int TxsFreeUnit(struct atl2_adapter *adapter) -{ - u32 txs_write_ptr = (u32) atomic_read(&adapter->txs_write_ptr); - - return (adapter->txs_next_clear >= txs_write_ptr) ? - (int) (adapter->txs_ring_size - adapter->txs_next_clear + - txs_write_ptr - 1) : - (int) (txs_write_ptr - adapter->txs_next_clear - 1); -} - -static inline int TxdFreeBytes(struct atl2_adapter *adapter) -{ - u32 txd_read_ptr = (u32)atomic_read(&adapter->txd_read_ptr); - - return (adapter->txd_write_ptr >= txd_read_ptr) ? - (int) (adapter->txd_ring_size - adapter->txd_write_ptr + - txd_read_ptr - 1) : - (int) (txd_read_ptr - adapter->txd_write_ptr - 1); -} - -static netdev_tx_t atl2_xmit_frame(struct sk_buff *skb, - struct net_device *netdev) -{ - struct atl2_adapter *adapter = netdev_priv(netdev); - struct tx_pkt_header *txph; - u32 offset, copy_len; - int txs_unused; - int txbuf_unused; - - if (test_bit(__ATL2_DOWN, &adapter->flags)) { - dev_kfree_skb_any(skb); - return NETDEV_TX_OK; - } - - if (unlikely(skb->len <= 0)) { - dev_kfree_skb_any(skb); - return NETDEV_TX_OK; - } - - txs_unused = TxsFreeUnit(adapter); - txbuf_unused = TxdFreeBytes(adapter); - - if (skb->len + sizeof(struct tx_pkt_header) + 4 > txbuf_unused || - txs_unused < 1) { - /* not enough resources */ - netif_stop_queue(netdev); - return NETDEV_TX_BUSY; - } - - offset = adapter->txd_write_ptr; - - txph = (struct tx_pkt_header *) (((u8 *)adapter->txd_ring) + offset); - - *(u32 *)txph = 0; - txph->pkt_size = skb->len; - - offset += 4; - if (offset >= adapter->txd_ring_size) - offset -= adapter->txd_ring_size; - copy_len = adapter->txd_ring_size - offset; - if (copy_len >= skb->len) { - memcpy(((u8 *)adapter->txd_ring) + offset, skb->data, skb->len); - offset += ((u32)(skb->len + 3) & ~3); - } else { - memcpy(((u8 *)adapter->txd_ring)+offset, skb->data, copy_len); - memcpy((u8 *)adapter->txd_ring, skb->data+copy_len, - skb->len-copy_len); - offset = ((u32)(skb->len-copy_len + 3) & ~3); - } -#ifdef NETIF_F_HW_VLAN_TX - if (vlan_tx_tag_present(skb)) { - u16 vlan_tag = vlan_tx_tag_get(skb); - vlan_tag = (vlan_tag << 4) | - (vlan_tag >> 13) | - ((vlan_tag >> 9) & 0x8); - txph->ins_vlan = 1; - txph->vlan = vlan_tag; - } -#endif - if (offset >= adapter->txd_ring_size) - offset -= adapter->txd_ring_size; - adapter->txd_write_ptr = offset; - - /* clear txs before send */ - adapter->txs_ring[adapter->txs_next_clear].update = 0; - if (++adapter->txs_next_clear == adapter->txs_ring_size) - adapter->txs_next_clear = 0; - - ATL2_WRITE_REGW(&adapter->hw, REG_MB_TXD_WR_IDX, - (adapter->txd_write_ptr >> 2)); - - mmiowb(); - dev_kfree_skb_any(skb); - return NETDEV_TX_OK; -} - -/* - * atl2_change_mtu - Change the Maximum Transfer Unit - * @netdev: network interface device structure - * @new_mtu: new value for maximum frame size - * - * Returns 0 on success, negative on failure - */ -static int atl2_change_mtu(struct net_device *netdev, int new_mtu) -{ - struct atl2_adapter *adapter = netdev_priv(netdev); - struct atl2_hw *hw = &adapter->hw; - - if ((new_mtu < 40) || (new_mtu > (ETH_DATA_LEN + VLAN_SIZE))) - return -EINVAL; - - /* set MTU */ - if (hw->max_frame_size != new_mtu) { - netdev->mtu = new_mtu; - ATL2_WRITE_REG(hw, REG_MTU, new_mtu + ENET_HEADER_SIZE + - VLAN_SIZE + ETHERNET_FCS_SIZE); - } - - return 0; -} - -/* - * atl2_set_mac - Change the Ethernet Address of the NIC - * @netdev: network interface device structure - * @p: pointer to an address structure - * - * Returns 0 on success, negative on failure - */ -static int atl2_set_mac(struct net_device *netdev, void *p) -{ - struct atl2_adapter *adapter = netdev_priv(netdev); - struct sockaddr *addr = p; - - if (!is_valid_ether_addr(addr->sa_data)) - return -EADDRNOTAVAIL; - - if (netif_running(netdev)) - return -EBUSY; - - memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); - memcpy(adapter->hw.mac_addr, addr->sa_data, netdev->addr_len); - - atl2_set_mac_addr(&adapter->hw); - - return 0; -} - -/* - * atl2_mii_ioctl - - * @netdev: - * @ifreq: - * @cmd: - */ -static int atl2_mii_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) -{ - struct atl2_adapter *adapter = netdev_priv(netdev); - struct mii_ioctl_data *data = if_mii(ifr); - unsigned long flags; - - switch (cmd) { - case SIOCGMIIPHY: - data->phy_id = 0; - break; - case SIOCGMIIREG: - spin_lock_irqsave(&adapter->stats_lock, flags); - if (atl2_read_phy_reg(&adapter->hw, - data->reg_num & 0x1F, &data->val_out)) { - spin_unlock_irqrestore(&adapter->stats_lock, flags); - return -EIO; - } - spin_unlock_irqrestore(&adapter->stats_lock, flags); - break; - case SIOCSMIIREG: - if (data->reg_num & ~(0x1F)) - return -EFAULT; - spin_lock_irqsave(&adapter->stats_lock, flags); - if (atl2_write_phy_reg(&adapter->hw, data->reg_num, - data->val_in)) { - spin_unlock_irqrestore(&adapter->stats_lock, flags); - return -EIO; - } - spin_unlock_irqrestore(&adapter->stats_lock, flags); - break; - default: - return -EOPNOTSUPP; - } - return 0; -} - -/* - * atl2_ioctl - - * @netdev: - * @ifreq: - * @cmd: - */ -static int atl2_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) -{ - switch (cmd) { - case SIOCGMIIPHY: - case SIOCGMIIREG: - case SIOCSMIIREG: - return atl2_mii_ioctl(netdev, ifr, cmd); -#ifdef ETHTOOL_OPS_COMPAT - case SIOCETHTOOL: - return ethtool_ioctl(ifr); -#endif - default: - return -EOPNOTSUPP; - } -} - -/* - * atl2_tx_timeout - Respond to a Tx Hang - * @netdev: network interface device structure - */ -static void atl2_tx_timeout(struct net_device *netdev) -{ - struct atl2_adapter *adapter = netdev_priv(netdev); - - /* Do the reset outside of interrupt context */ - schedule_work(&adapter->reset_task); -} - -/* - * atl2_watchdog - Timer Call-back - * @data: pointer to netdev cast into an unsigned long - */ -static void atl2_watchdog(unsigned long data) -{ - struct atl2_adapter *adapter = (struct atl2_adapter *) data; - - if (!test_bit(__ATL2_DOWN, &adapter->flags)) { - u32 drop_rxd, drop_rxs; - unsigned long flags; - - spin_lock_irqsave(&adapter->stats_lock, flags); - drop_rxd = ATL2_READ_REG(&adapter->hw, REG_STS_RXD_OV); - drop_rxs = ATL2_READ_REG(&adapter->hw, REG_STS_RXS_OV); - spin_unlock_irqrestore(&adapter->stats_lock, flags); - - adapter->netdev->stats.rx_over_errors += drop_rxd + drop_rxs; - - /* Reset the timer */ - mod_timer(&adapter->watchdog_timer, - round_jiffies(jiffies + 4 * HZ)); - } -} - -/* - * atl2_phy_config - Timer Call-back - * @data: pointer to netdev cast into an unsigned long - */ -static void atl2_phy_config(unsigned long data) -{ - struct atl2_adapter *adapter = (struct atl2_adapter *) data; - struct atl2_hw *hw = &adapter->hw; - unsigned long flags; - - spin_lock_irqsave(&adapter->stats_lock, flags); - atl2_write_phy_reg(hw, MII_ADVERTISE, hw->mii_autoneg_adv_reg); - atl2_write_phy_reg(hw, MII_BMCR, MII_CR_RESET | MII_CR_AUTO_NEG_EN | - MII_CR_RESTART_AUTO_NEG); - spin_unlock_irqrestore(&adapter->stats_lock, flags); - clear_bit(0, &adapter->cfg_phy); -} - -static int atl2_up(struct atl2_adapter *adapter) -{ - struct net_device *netdev = adapter->netdev; - int err = 0; - u32 val; - - /* hardware has been reset, we need to reload some things */ - - err = atl2_init_hw(&adapter->hw); - if (err) { - err = -EIO; - return err; - } - - atl2_set_multi(netdev); - init_ring_ptrs(adapter); - - atl2_restore_vlan(adapter); - - if (atl2_configure(adapter)) { - err = -EIO; - goto err_up; - } - - clear_bit(__ATL2_DOWN, &adapter->flags); - - val = ATL2_READ_REG(&adapter->hw, REG_MASTER_CTRL); - ATL2_WRITE_REG(&adapter->hw, REG_MASTER_CTRL, val | - MASTER_CTRL_MANUAL_INT); - - atl2_irq_enable(adapter); - -err_up: - return err; -} - -static void atl2_reinit_locked(struct atl2_adapter *adapter) -{ - WARN_ON(in_interrupt()); - while (test_and_set_bit(__ATL2_RESETTING, &adapter->flags)) - msleep(1); - atl2_down(adapter); - atl2_up(adapter); - clear_bit(__ATL2_RESETTING, &adapter->flags); -} - -static void atl2_reset_task(struct work_struct *work) -{ - struct atl2_adapter *adapter; - adapter = container_of(work, struct atl2_adapter, reset_task); - - atl2_reinit_locked(adapter); -} - -static void atl2_setup_mac_ctrl(struct atl2_adapter *adapter) -{ - u32 value; - struct atl2_hw *hw = &adapter->hw; - struct net_device *netdev = adapter->netdev; - - /* Config MAC CTRL Register */ - value = MAC_CTRL_TX_EN | MAC_CTRL_RX_EN | MAC_CTRL_MACLP_CLK_PHY; - - /* duplex */ - if (FULL_DUPLEX == adapter->link_duplex) - value |= MAC_CTRL_DUPLX; - - /* flow control */ - value |= (MAC_CTRL_TX_FLOW | MAC_CTRL_RX_FLOW); - - /* PAD & CRC */ - value |= (MAC_CTRL_ADD_CRC | MAC_CTRL_PAD); - - /* preamble length */ - value |= (((u32)adapter->hw.preamble_len & MAC_CTRL_PRMLEN_MASK) << - MAC_CTRL_PRMLEN_SHIFT); - - /* vlan */ - __atl2_vlan_mode(netdev->features, &value); - - /* filter mode */ - value |= MAC_CTRL_BC_EN; - if (netdev->flags & IFF_PROMISC) - value |= MAC_CTRL_PROMIS_EN; - else if (netdev->flags & IFF_ALLMULTI) - value |= MAC_CTRL_MC_ALL_EN; - - /* half retry buffer */ - value |= (((u32)(adapter->hw.retry_buf & - MAC_CTRL_HALF_LEFT_BUF_MASK)) << MAC_CTRL_HALF_LEFT_BUF_SHIFT); - - ATL2_WRITE_REG(hw, REG_MAC_CTRL, value); -} - -static int atl2_check_link(struct atl2_adapter *adapter) -{ - struct atl2_hw *hw = &adapter->hw; - struct net_device *netdev = adapter->netdev; - int ret_val; - u16 speed, duplex, phy_data; - int reconfig = 0; - - /* MII_BMSR must read twise */ - atl2_read_phy_reg(hw, MII_BMSR, &phy_data); - atl2_read_phy_reg(hw, MII_BMSR, &phy_data); - if (!(phy_data&BMSR_LSTATUS)) { /* link down */ - if (netif_carrier_ok(netdev)) { /* old link state: Up */ - u32 value; - /* disable rx */ - value = ATL2_READ_REG(hw, REG_MAC_CTRL); - value &= ~MAC_CTRL_RX_EN; - ATL2_WRITE_REG(hw, REG_MAC_CTRL, value); - adapter->link_speed = SPEED_0; - netif_carrier_off(netdev); - netif_stop_queue(netdev); - } - return 0; - } - - /* Link Up */ - ret_val = atl2_get_speed_and_duplex(hw, &speed, &duplex); - if (ret_val) - return ret_val; - switch (hw->MediaType) { - case MEDIA_TYPE_100M_FULL: - if (speed != SPEED_100 || duplex != FULL_DUPLEX) - reconfig = 1; - break; - case MEDIA_TYPE_100M_HALF: - if (speed != SPEED_100 || duplex != HALF_DUPLEX) - reconfig = 1; - break; - case MEDIA_TYPE_10M_FULL: - if (speed != SPEED_10 || duplex != FULL_DUPLEX) - reconfig = 1; - break; - case MEDIA_TYPE_10M_HALF: - if (speed != SPEED_10 || duplex != HALF_DUPLEX) - reconfig = 1; - break; - } - /* link result is our setting */ - if (reconfig == 0) { - if (adapter->link_speed != speed || - adapter->link_duplex != duplex) { - adapter->link_speed = speed; - adapter->link_duplex = duplex; - atl2_setup_mac_ctrl(adapter); - printk(KERN_INFO "%s: %s NIC Link is Up<%d Mbps %s>\n", - atl2_driver_name, netdev->name, - adapter->link_speed, - adapter->link_duplex == FULL_DUPLEX ? - "Full Duplex" : "Half Duplex"); - } - - if (!netif_carrier_ok(netdev)) { /* Link down -> Up */ - netif_carrier_on(netdev); - netif_wake_queue(netdev); - } - return 0; - } - - /* change original link status */ - if (netif_carrier_ok(netdev)) { - u32 value; - /* disable rx */ - value = ATL2_READ_REG(hw, REG_MAC_CTRL); - value &= ~MAC_CTRL_RX_EN; - ATL2_WRITE_REG(hw, REG_MAC_CTRL, value); - - adapter->link_speed = SPEED_0; - netif_carrier_off(netdev); - netif_stop_queue(netdev); - } - - /* auto-neg, insert timer to re-config phy - * (if interval smaller than 5 seconds, something strange) */ - if (!test_bit(__ATL2_DOWN, &adapter->flags)) { - if (!test_and_set_bit(0, &adapter->cfg_phy)) - mod_timer(&adapter->phy_config_timer, - round_jiffies(jiffies + 5 * HZ)); - } - - return 0; -} - -/* - * atl2_link_chg_task - deal with link change event Out of interrupt context - * @netdev: network interface device structure - */ -static void atl2_link_chg_task(struct work_struct *work) -{ - struct atl2_adapter *adapter; - unsigned long flags; - - adapter = container_of(work, struct atl2_adapter, link_chg_task); - - spin_lock_irqsave(&adapter->stats_lock, flags); - atl2_check_link(adapter); - spin_unlock_irqrestore(&adapter->stats_lock, flags); -} - -static void atl2_setup_pcicmd(struct pci_dev *pdev) -{ - u16 cmd; - - pci_read_config_word(pdev, PCI_COMMAND, &cmd); - - if (cmd & PCI_COMMAND_INTX_DISABLE) - cmd &= ~PCI_COMMAND_INTX_DISABLE; - if (cmd & PCI_COMMAND_IO) - cmd &= ~PCI_COMMAND_IO; - if (0 == (cmd & PCI_COMMAND_MEMORY)) - cmd |= PCI_COMMAND_MEMORY; - if (0 == (cmd & PCI_COMMAND_MASTER)) - cmd |= PCI_COMMAND_MASTER; - pci_write_config_word(pdev, PCI_COMMAND, cmd); - - /* - * some motherboards BIOS(PXE/EFI) driver may set PME - * while they transfer control to OS (Windows/Linux) - * so we should clear this bit before NIC work normally - */ - pci_write_config_dword(pdev, REG_PM_CTRLSTAT, 0); -} - -#ifdef CONFIG_NET_POLL_CONTROLLER -static void atl2_poll_controller(struct net_device *netdev) -{ - disable_irq(netdev->irq); - atl2_intr(netdev->irq, netdev); - enable_irq(netdev->irq); -} -#endif - - -static const struct net_device_ops atl2_netdev_ops = { - .ndo_open = atl2_open, - .ndo_stop = atl2_close, - .ndo_start_xmit = atl2_xmit_frame, - .ndo_set_multicast_list = atl2_set_multi, - .ndo_validate_addr = eth_validate_addr, - .ndo_set_mac_address = atl2_set_mac, - .ndo_change_mtu = atl2_change_mtu, - .ndo_fix_features = atl2_fix_features, - .ndo_set_features = atl2_set_features, - .ndo_do_ioctl = atl2_ioctl, - .ndo_tx_timeout = atl2_tx_timeout, -#ifdef CONFIG_NET_POLL_CONTROLLER - .ndo_poll_controller = atl2_poll_controller, -#endif -}; - -/* - * atl2_probe - Device Initialization Routine - * @pdev: PCI device information struct - * @ent: entry in atl2_pci_tbl - * - * Returns 0 on success, negative on failure - * - * atl2_probe initializes an adapter identified by a pci_dev structure. - * The OS initialization, configuring of the adapter private structure, - * and a hardware reset occur. - */ -static int __devinit atl2_probe(struct pci_dev *pdev, - const struct pci_device_id *ent) -{ - struct net_device *netdev; - struct atl2_adapter *adapter; - static int cards_found; - unsigned long mmio_start; - int mmio_len; - int err; - - cards_found = 0; - - err = pci_enable_device(pdev); - if (err) - return err; - - /* - * atl2 is a shared-high-32-bit device, so we're stuck with 32-bit DMA - * until the kernel has the proper infrastructure to support 64-bit DMA - * on these devices. - */ - if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) && - pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) { - printk(KERN_ERR "atl2: No usable DMA configuration, aborting\n"); - goto err_dma; - } - - /* Mark all PCI regions associated with PCI device - * pdev as being reserved by owner atl2_driver_name */ - err = pci_request_regions(pdev, atl2_driver_name); - if (err) - goto err_pci_reg; - - /* Enables bus-mastering on the device and calls - * pcibios_set_master to do the needed arch specific settings */ - pci_set_master(pdev); - - err = -ENOMEM; - netdev = alloc_etherdev(sizeof(struct atl2_adapter)); - if (!netdev) - goto err_alloc_etherdev; - - SET_NETDEV_DEV(netdev, &pdev->dev); - - pci_set_drvdata(pdev, netdev); - adapter = netdev_priv(netdev); - adapter->netdev = netdev; - adapter->pdev = pdev; - adapter->hw.back = adapter; - - mmio_start = pci_resource_start(pdev, 0x0); - mmio_len = pci_resource_len(pdev, 0x0); - - adapter->hw.mem_rang = (u32)mmio_len; - adapter->hw.hw_addr = ioremap(mmio_start, mmio_len); - if (!adapter->hw.hw_addr) { - err = -EIO; - goto err_ioremap; - } - - atl2_setup_pcicmd(pdev); - - netdev->netdev_ops = &atl2_netdev_ops; - atl2_set_ethtool_ops(netdev); - netdev->watchdog_timeo = 5 * HZ; - strncpy(netdev->name, pci_name(pdev), sizeof(netdev->name) - 1); - - netdev->mem_start = mmio_start; - netdev->mem_end = mmio_start + mmio_len; - adapter->bd_number = cards_found; - adapter->pci_using_64 = false; - - /* setup the private structure */ - err = atl2_sw_init(adapter); - if (err) - goto err_sw_init; - - err = -EIO; - - netdev->hw_features = NETIF_F_SG | NETIF_F_HW_VLAN_RX; - netdev->features |= (NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX); - - /* Init PHY as early as possible due to power saving issue */ - atl2_phy_init(&adapter->hw); - - /* reset the controller to - * put the device in a known good starting state */ - - if (atl2_reset_hw(&adapter->hw)) { - err = -EIO; - goto err_reset; - } - - /* copy the MAC address out of the EEPROM */ - atl2_read_mac_addr(&adapter->hw); - memcpy(netdev->dev_addr, adapter->hw.mac_addr, netdev->addr_len); -/* FIXME: do we still need this? */ -#ifdef ETHTOOL_GPERMADDR - memcpy(netdev->perm_addr, adapter->hw.mac_addr, netdev->addr_len); - - if (!is_valid_ether_addr(netdev->perm_addr)) { -#else - if (!is_valid_ether_addr(netdev->dev_addr)) { -#endif - err = -EIO; - goto err_eeprom; - } - - atl2_check_options(adapter); - - init_timer(&adapter->watchdog_timer); - adapter->watchdog_timer.function = atl2_watchdog; - adapter->watchdog_timer.data = (unsigned long) adapter; - - init_timer(&adapter->phy_config_timer); - adapter->phy_config_timer.function = atl2_phy_config; - adapter->phy_config_timer.data = (unsigned long) adapter; - - INIT_WORK(&adapter->reset_task, atl2_reset_task); - INIT_WORK(&adapter->link_chg_task, atl2_link_chg_task); - - strcpy(netdev->name, "eth%d"); /* ?? */ - err = register_netdev(netdev); - if (err) - goto err_register; - - /* assume we have no link for now */ - netif_carrier_off(netdev); - netif_stop_queue(netdev); - - cards_found++; - - return 0; - -err_reset: -err_register: -err_sw_init: -err_eeprom: - iounmap(adapter->hw.hw_addr); -err_ioremap: - free_netdev(netdev); -err_alloc_etherdev: - pci_release_regions(pdev); -err_pci_reg: -err_dma: - pci_disable_device(pdev); - return err; -} - -/* - * atl2_remove - Device Removal Routine - * @pdev: PCI device information struct - * - * atl2_remove is called by the PCI subsystem to alert the driver - * that it should release a PCI device. The could be caused by a - * Hot-Plug event, or because the driver is going to be removed from - * memory. - */ -/* FIXME: write the original MAC address back in case it was changed from a - * BIOS-set value, as in atl1 -- CHS */ -static void __devexit atl2_remove(struct pci_dev *pdev) -{ - struct net_device *netdev = pci_get_drvdata(pdev); - struct atl2_adapter *adapter = netdev_priv(netdev); - - /* flush_scheduled work may reschedule our watchdog task, so - * explicitly disable watchdog tasks from being rescheduled */ - set_bit(__ATL2_DOWN, &adapter->flags); - - del_timer_sync(&adapter->watchdog_timer); - del_timer_sync(&adapter->phy_config_timer); - cancel_work_sync(&adapter->reset_task); - cancel_work_sync(&adapter->link_chg_task); - - unregister_netdev(netdev); - - atl2_force_ps(&adapter->hw); - - iounmap(adapter->hw.hw_addr); - pci_release_regions(pdev); - - free_netdev(netdev); - - pci_disable_device(pdev); -} - -static int atl2_suspend(struct pci_dev *pdev, pm_message_t state) -{ - struct net_device *netdev = pci_get_drvdata(pdev); - struct atl2_adapter *adapter = netdev_priv(netdev); - struct atl2_hw *hw = &adapter->hw; - u16 speed, duplex; - u32 ctrl = 0; - u32 wufc = adapter->wol; - -#ifdef CONFIG_PM - int retval = 0; -#endif - - netif_device_detach(netdev); - - if (netif_running(netdev)) { - WARN_ON(test_bit(__ATL2_RESETTING, &adapter->flags)); - atl2_down(adapter); - } - -#ifdef CONFIG_PM - retval = pci_save_state(pdev); - if (retval) - return retval; -#endif - - atl2_read_phy_reg(hw, MII_BMSR, (u16 *)&ctrl); - atl2_read_phy_reg(hw, MII_BMSR, (u16 *)&ctrl); - if (ctrl & BMSR_LSTATUS) - wufc &= ~ATLX_WUFC_LNKC; - - if (0 != (ctrl & BMSR_LSTATUS) && 0 != wufc) { - u32 ret_val; - /* get current link speed & duplex */ - ret_val = atl2_get_speed_and_duplex(hw, &speed, &duplex); - if (ret_val) { - printk(KERN_DEBUG - "%s: get speed&duplex error while suspend\n", - atl2_driver_name); - goto wol_dis; - } - - ctrl = 0; - - /* turn on magic packet wol */ - if (wufc & ATLX_WUFC_MAG) - ctrl |= (WOL_MAGIC_EN | WOL_MAGIC_PME_EN); - - /* ignore Link Chg event when Link is up */ - ATL2_WRITE_REG(hw, REG_WOL_CTRL, ctrl); - - /* Config MAC CTRL Register */ - ctrl = MAC_CTRL_RX_EN | MAC_CTRL_MACLP_CLK_PHY; - if (FULL_DUPLEX == adapter->link_duplex) - ctrl |= MAC_CTRL_DUPLX; - ctrl |= (MAC_CTRL_ADD_CRC | MAC_CTRL_PAD); - ctrl |= (((u32)adapter->hw.preamble_len & - MAC_CTRL_PRMLEN_MASK) << MAC_CTRL_PRMLEN_SHIFT); - ctrl |= (((u32)(adapter->hw.retry_buf & - MAC_CTRL_HALF_LEFT_BUF_MASK)) << - MAC_CTRL_HALF_LEFT_BUF_SHIFT); - if (wufc & ATLX_WUFC_MAG) { - /* magic packet maybe Broadcast&multicast&Unicast */ - ctrl |= MAC_CTRL_BC_EN; - } - - ATL2_WRITE_REG(hw, REG_MAC_CTRL, ctrl); - - /* pcie patch */ - ctrl = ATL2_READ_REG(hw, REG_PCIE_PHYMISC); - ctrl |= PCIE_PHYMISC_FORCE_RCV_DET; - ATL2_WRITE_REG(hw, REG_PCIE_PHYMISC, ctrl); - ctrl = ATL2_READ_REG(hw, REG_PCIE_DLL_TX_CTRL1); - ctrl |= PCIE_DLL_TX_CTRL1_SEL_NOR_CLK; - ATL2_WRITE_REG(hw, REG_PCIE_DLL_TX_CTRL1, ctrl); - - pci_enable_wake(pdev, pci_choose_state(pdev, state), 1); - goto suspend_exit; - } - - if (0 == (ctrl&BMSR_LSTATUS) && 0 != (wufc&ATLX_WUFC_LNKC)) { - /* link is down, so only LINK CHG WOL event enable */ - ctrl |= (WOL_LINK_CHG_EN | WOL_LINK_CHG_PME_EN); - ATL2_WRITE_REG(hw, REG_WOL_CTRL, ctrl); - ATL2_WRITE_REG(hw, REG_MAC_CTRL, 0); - - /* pcie patch */ - ctrl = ATL2_READ_REG(hw, REG_PCIE_PHYMISC); - ctrl |= PCIE_PHYMISC_FORCE_RCV_DET; - ATL2_WRITE_REG(hw, REG_PCIE_PHYMISC, ctrl); - ctrl = ATL2_READ_REG(hw, REG_PCIE_DLL_TX_CTRL1); - ctrl |= PCIE_DLL_TX_CTRL1_SEL_NOR_CLK; - ATL2_WRITE_REG(hw, REG_PCIE_DLL_TX_CTRL1, ctrl); - - hw->phy_configured = false; /* re-init PHY when resume */ - - pci_enable_wake(pdev, pci_choose_state(pdev, state), 1); - - goto suspend_exit; - } - -wol_dis: - /* WOL disabled */ - ATL2_WRITE_REG(hw, REG_WOL_CTRL, 0); - - /* pcie patch */ - ctrl = ATL2_READ_REG(hw, REG_PCIE_PHYMISC); - ctrl |= PCIE_PHYMISC_FORCE_RCV_DET; - ATL2_WRITE_REG(hw, REG_PCIE_PHYMISC, ctrl); - ctrl = ATL2_READ_REG(hw, REG_PCIE_DLL_TX_CTRL1); - ctrl |= PCIE_DLL_TX_CTRL1_SEL_NOR_CLK; - ATL2_WRITE_REG(hw, REG_PCIE_DLL_TX_CTRL1, ctrl); - - atl2_force_ps(hw); - hw->phy_configured = false; /* re-init PHY when resume */ - - pci_enable_wake(pdev, pci_choose_state(pdev, state), 0); - -suspend_exit: - if (netif_running(netdev)) - atl2_free_irq(adapter); - - pci_disable_device(pdev); - - pci_set_power_state(pdev, pci_choose_state(pdev, state)); - - return 0; -} - -#ifdef CONFIG_PM -static int atl2_resume(struct pci_dev *pdev) -{ - struct net_device *netdev = pci_get_drvdata(pdev); - struct atl2_adapter *adapter = netdev_priv(netdev); - u32 err; - - pci_set_power_state(pdev, PCI_D0); - pci_restore_state(pdev); - - err = pci_enable_device(pdev); - if (err) { - printk(KERN_ERR - "atl2: Cannot enable PCI device from suspend\n"); - return err; - } - - pci_set_master(pdev); - - ATL2_READ_REG(&adapter->hw, REG_WOL_CTRL); /* clear WOL status */ - - pci_enable_wake(pdev, PCI_D3hot, 0); - pci_enable_wake(pdev, PCI_D3cold, 0); - - ATL2_WRITE_REG(&adapter->hw, REG_WOL_CTRL, 0); - - if (netif_running(netdev)) { - err = atl2_request_irq(adapter); - if (err) - return err; - } - - atl2_reset_hw(&adapter->hw); - - if (netif_running(netdev)) - atl2_up(adapter); - - netif_device_attach(netdev); - - return 0; -} -#endif - -static void atl2_shutdown(struct pci_dev *pdev) -{ - atl2_suspend(pdev, PMSG_SUSPEND); -} - -static struct pci_driver atl2_driver = { - .name = atl2_driver_name, - .id_table = atl2_pci_tbl, - .probe = atl2_probe, - .remove = __devexit_p(atl2_remove), - /* Power Management Hooks */ - .suspend = atl2_suspend, -#ifdef CONFIG_PM - .resume = atl2_resume, -#endif - .shutdown = atl2_shutdown, -}; - -/* - * atl2_init_module - Driver Registration Routine - * - * atl2_init_module is the first routine called when the driver is - * loaded. All it does is register with the PCI subsystem. - */ -static int __init atl2_init_module(void) -{ - printk(KERN_INFO "%s - version %s\n", atl2_driver_string, - atl2_driver_version); - printk(KERN_INFO "%s\n", atl2_copyright); - return pci_register_driver(&atl2_driver); -} -module_init(atl2_init_module); - -/* - * atl2_exit_module - Driver Exit Cleanup Routine - * - * atl2_exit_module is called just before the driver is removed - * from memory. - */ -static void __exit atl2_exit_module(void) -{ - pci_unregister_driver(&atl2_driver); -} -module_exit(atl2_exit_module); - -static void atl2_read_pci_cfg(struct atl2_hw *hw, u32 reg, u16 *value) -{ - struct atl2_adapter *adapter = hw->back; - pci_read_config_word(adapter->pdev, reg, value); -} - -static void atl2_write_pci_cfg(struct atl2_hw *hw, u32 reg, u16 *value) -{ - struct atl2_adapter *adapter = hw->back; - pci_write_config_word(adapter->pdev, reg, *value); -} - -static int atl2_get_settings(struct net_device *netdev, - struct ethtool_cmd *ecmd) -{ - struct atl2_adapter *adapter = netdev_priv(netdev); - struct atl2_hw *hw = &adapter->hw; - - ecmd->supported = (SUPPORTED_10baseT_Half | - SUPPORTED_10baseT_Full | - SUPPORTED_100baseT_Half | - SUPPORTED_100baseT_Full | - SUPPORTED_Autoneg | - SUPPORTED_TP); - ecmd->advertising = ADVERTISED_TP; - - ecmd->advertising |= ADVERTISED_Autoneg; - ecmd->advertising |= hw->autoneg_advertised; - - ecmd->port = PORT_TP; - ecmd->phy_address = 0; - ecmd->transceiver = XCVR_INTERNAL; - - if (adapter->link_speed != SPEED_0) { - ethtool_cmd_speed_set(ecmd, adapter->link_speed); - if (adapter->link_duplex == FULL_DUPLEX) - ecmd->duplex = DUPLEX_FULL; - else - ecmd->duplex = DUPLEX_HALF; - } else { - ethtool_cmd_speed_set(ecmd, -1); - ecmd->duplex = -1; - } - - ecmd->autoneg = AUTONEG_ENABLE; - return 0; -} - -static int atl2_set_settings(struct net_device *netdev, - struct ethtool_cmd *ecmd) -{ - struct atl2_adapter *adapter = netdev_priv(netdev); - struct atl2_hw *hw = &adapter->hw; - - while (test_and_set_bit(__ATL2_RESETTING, &adapter->flags)) - msleep(1); - - if (ecmd->autoneg == AUTONEG_ENABLE) { -#define MY_ADV_MASK (ADVERTISE_10_HALF | \ - ADVERTISE_10_FULL | \ - ADVERTISE_100_HALF| \ - ADVERTISE_100_FULL) - - if ((ecmd->advertising & MY_ADV_MASK) == MY_ADV_MASK) { - hw->MediaType = MEDIA_TYPE_AUTO_SENSOR; - hw->autoneg_advertised = MY_ADV_MASK; - } else if ((ecmd->advertising & MY_ADV_MASK) == - ADVERTISE_100_FULL) { - hw->MediaType = MEDIA_TYPE_100M_FULL; - hw->autoneg_advertised = ADVERTISE_100_FULL; - } else if ((ecmd->advertising & MY_ADV_MASK) == - ADVERTISE_100_HALF) { - hw->MediaType = MEDIA_TYPE_100M_HALF; - hw->autoneg_advertised = ADVERTISE_100_HALF; - } else if ((ecmd->advertising & MY_ADV_MASK) == - ADVERTISE_10_FULL) { - hw->MediaType = MEDIA_TYPE_10M_FULL; - hw->autoneg_advertised = ADVERTISE_10_FULL; - } else if ((ecmd->advertising & MY_ADV_MASK) == - ADVERTISE_10_HALF) { - hw->MediaType = MEDIA_TYPE_10M_HALF; - hw->autoneg_advertised = ADVERTISE_10_HALF; - } else { - clear_bit(__ATL2_RESETTING, &adapter->flags); - return -EINVAL; - } - ecmd->advertising = hw->autoneg_advertised | - ADVERTISED_TP | ADVERTISED_Autoneg; - } else { - clear_bit(__ATL2_RESETTING, &adapter->flags); - return -EINVAL; - } - - /* reset the link */ - if (netif_running(adapter->netdev)) { - atl2_down(adapter); - atl2_up(adapter); - } else - atl2_reset_hw(&adapter->hw); - - clear_bit(__ATL2_RESETTING, &adapter->flags); - return 0; -} - -static u32 atl2_get_msglevel(struct net_device *netdev) -{ - return 0; -} - -/* - * It's sane for this to be empty, but we might want to take advantage of this. - */ -static void atl2_set_msglevel(struct net_device *netdev, u32 data) -{ -} - -static int atl2_get_regs_len(struct net_device *netdev) -{ -#define ATL2_REGS_LEN 42 - return sizeof(u32) * ATL2_REGS_LEN; -} - -static void atl2_get_regs(struct net_device *netdev, - struct ethtool_regs *regs, void *p) -{ - struct atl2_adapter *adapter = netdev_priv(netdev); - struct atl2_hw *hw = &adapter->hw; - u32 *regs_buff = p; - u16 phy_data; - - memset(p, 0, sizeof(u32) * ATL2_REGS_LEN); - - regs->version = (1 << 24) | (hw->revision_id << 16) | hw->device_id; - - regs_buff[0] = ATL2_READ_REG(hw, REG_VPD_CAP); - regs_buff[1] = ATL2_READ_REG(hw, REG_SPI_FLASH_CTRL); - regs_buff[2] = ATL2_READ_REG(hw, REG_SPI_FLASH_CONFIG); - regs_buff[3] = ATL2_READ_REG(hw, REG_TWSI_CTRL); - regs_buff[4] = ATL2_READ_REG(hw, REG_PCIE_DEV_MISC_CTRL); - regs_buff[5] = ATL2_READ_REG(hw, REG_MASTER_CTRL); - regs_buff[6] = ATL2_READ_REG(hw, REG_MANUAL_TIMER_INIT); - regs_buff[7] = ATL2_READ_REG(hw, REG_IRQ_MODU_TIMER_INIT); - regs_buff[8] = ATL2_READ_REG(hw, REG_PHY_ENABLE); - regs_buff[9] = ATL2_READ_REG(hw, REG_CMBDISDMA_TIMER); - regs_buff[10] = ATL2_READ_REG(hw, REG_IDLE_STATUS); - regs_buff[11] = ATL2_READ_REG(hw, REG_MDIO_CTRL); - regs_buff[12] = ATL2_READ_REG(hw, REG_SERDES_LOCK); - regs_buff[13] = ATL2_READ_REG(hw, REG_MAC_CTRL); - regs_buff[14] = ATL2_READ_REG(hw, REG_MAC_IPG_IFG); - regs_buff[15] = ATL2_READ_REG(hw, REG_MAC_STA_ADDR); - regs_buff[16] = ATL2_READ_REG(hw, REG_MAC_STA_ADDR+4); - regs_buff[17] = ATL2_READ_REG(hw, REG_RX_HASH_TABLE); - regs_buff[18] = ATL2_READ_REG(hw, REG_RX_HASH_TABLE+4); - regs_buff[19] = ATL2_READ_REG(hw, REG_MAC_HALF_DUPLX_CTRL); - regs_buff[20] = ATL2_READ_REG(hw, REG_MTU); - regs_buff[21] = ATL2_READ_REG(hw, REG_WOL_CTRL); - regs_buff[22] = ATL2_READ_REG(hw, REG_SRAM_TXRAM_END); - regs_buff[23] = ATL2_READ_REG(hw, REG_DESC_BASE_ADDR_HI); - regs_buff[24] = ATL2_READ_REG(hw, REG_TXD_BASE_ADDR_LO); - regs_buff[25] = ATL2_READ_REG(hw, REG_TXD_MEM_SIZE); - regs_buff[26] = ATL2_READ_REG(hw, REG_TXS_BASE_ADDR_LO); - regs_buff[27] = ATL2_READ_REG(hw, REG_TXS_MEM_SIZE); - regs_buff[28] = ATL2_READ_REG(hw, REG_RXD_BASE_ADDR_LO); - regs_buff[29] = ATL2_READ_REG(hw, REG_RXD_BUF_NUM); - regs_buff[30] = ATL2_READ_REG(hw, REG_DMAR); - regs_buff[31] = ATL2_READ_REG(hw, REG_TX_CUT_THRESH); - regs_buff[32] = ATL2_READ_REG(hw, REG_DMAW); - regs_buff[33] = ATL2_READ_REG(hw, REG_PAUSE_ON_TH); - regs_buff[34] = ATL2_READ_REG(hw, REG_PAUSE_OFF_TH); - regs_buff[35] = ATL2_READ_REG(hw, REG_MB_TXD_WR_IDX); - regs_buff[36] = ATL2_READ_REG(hw, REG_MB_RXD_RD_IDX); - regs_buff[38] = ATL2_READ_REG(hw, REG_ISR); - regs_buff[39] = ATL2_READ_REG(hw, REG_IMR); - - atl2_read_phy_reg(hw, MII_BMCR, &phy_data); - regs_buff[40] = (u32)phy_data; - atl2_read_phy_reg(hw, MII_BMSR, &phy_data); - regs_buff[41] = (u32)phy_data; -} - -static int atl2_get_eeprom_len(struct net_device *netdev) -{ - struct atl2_adapter *adapter = netdev_priv(netdev); - - if (!atl2_check_eeprom_exist(&adapter->hw)) - return 512; - else - return 0; -} - -static int atl2_get_eeprom(struct net_device *netdev, - struct ethtool_eeprom *eeprom, u8 *bytes) -{ - struct atl2_adapter *adapter = netdev_priv(netdev); - struct atl2_hw *hw = &adapter->hw; - u32 *eeprom_buff; - int first_dword, last_dword; - int ret_val = 0; - int i; - - if (eeprom->len == 0) - return -EINVAL; - - if (atl2_check_eeprom_exist(hw)) - return -EINVAL; - - eeprom->magic = hw->vendor_id | (hw->device_id << 16); - - first_dword = eeprom->offset >> 2; - last_dword = (eeprom->offset + eeprom->len - 1) >> 2; - - eeprom_buff = kmalloc(sizeof(u32) * (last_dword - first_dword + 1), - GFP_KERNEL); - if (!eeprom_buff) - return -ENOMEM; - - for (i = first_dword; i < last_dword; i++) { - if (!atl2_read_eeprom(hw, i*4, &(eeprom_buff[i-first_dword]))) { - ret_val = -EIO; - goto free; - } - } - - memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 3), - eeprom->len); -free: - kfree(eeprom_buff); - - return ret_val; -} - -static int atl2_set_eeprom(struct net_device *netdev, - struct ethtool_eeprom *eeprom, u8 *bytes) -{ - struct atl2_adapter *adapter = netdev_priv(netdev); - struct atl2_hw *hw = &adapter->hw; - u32 *eeprom_buff; - u32 *ptr; - int max_len, first_dword, last_dword, ret_val = 0; - int i; - - if (eeprom->len == 0) - return -EOPNOTSUPP; - - if (eeprom->magic != (hw->vendor_id | (hw->device_id << 16))) - return -EFAULT; - - max_len = 512; - - first_dword = eeprom->offset >> 2; - last_dword = (eeprom->offset + eeprom->len - 1) >> 2; - eeprom_buff = kmalloc(max_len, GFP_KERNEL); - if (!eeprom_buff) - return -ENOMEM; - - ptr = eeprom_buff; - - if (eeprom->offset & 3) { - /* need read/modify/write of first changed EEPROM word */ - /* only the second byte of the word is being modified */ - if (!atl2_read_eeprom(hw, first_dword*4, &(eeprom_buff[0]))) { - ret_val = -EIO; - goto out; - } - ptr++; - } - if (((eeprom->offset + eeprom->len) & 3)) { - /* - * need read/modify/write of last changed EEPROM word - * only the first byte of the word is being modified - */ - if (!atl2_read_eeprom(hw, last_dword * 4, - &(eeprom_buff[last_dword - first_dword]))) { - ret_val = -EIO; - goto out; - } - } - - /* Device's eeprom is always little-endian, word addressable */ - memcpy(ptr, bytes, eeprom->len); - - for (i = 0; i < last_dword - first_dword + 1; i++) { - if (!atl2_write_eeprom(hw, ((first_dword+i)*4), eeprom_buff[i])) { - ret_val = -EIO; - goto out; - } - } - out: - kfree(eeprom_buff); - return ret_val; -} - -static void atl2_get_drvinfo(struct net_device *netdev, - struct ethtool_drvinfo *drvinfo) -{ - struct atl2_adapter *adapter = netdev_priv(netdev); - - strncpy(drvinfo->driver, atl2_driver_name, 32); - strncpy(drvinfo->version, atl2_driver_version, 32); - strncpy(drvinfo->fw_version, "L2", 32); - strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32); - drvinfo->n_stats = 0; - drvinfo->testinfo_len = 0; - drvinfo->regdump_len = atl2_get_regs_len(netdev); - drvinfo->eedump_len = atl2_get_eeprom_len(netdev); -} - -static void atl2_get_wol(struct net_device *netdev, - struct ethtool_wolinfo *wol) -{ - struct atl2_adapter *adapter = netdev_priv(netdev); - - wol->supported = WAKE_MAGIC; - wol->wolopts = 0; - - if (adapter->wol & ATLX_WUFC_EX) - wol->wolopts |= WAKE_UCAST; - if (adapter->wol & ATLX_WUFC_MC) - wol->wolopts |= WAKE_MCAST; - if (adapter->wol & ATLX_WUFC_BC) - wol->wolopts |= WAKE_BCAST; - if (adapter->wol & ATLX_WUFC_MAG) - wol->wolopts |= WAKE_MAGIC; - if (adapter->wol & ATLX_WUFC_LNKC) - wol->wolopts |= WAKE_PHY; -} - -static int atl2_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) -{ - struct atl2_adapter *adapter = netdev_priv(netdev); - - if (wol->wolopts & (WAKE_ARP | WAKE_MAGICSECURE)) - return -EOPNOTSUPP; - - if (wol->wolopts & (WAKE_UCAST | WAKE_BCAST | WAKE_MCAST)) - return -EOPNOTSUPP; - - /* these settings will always override what we currently have */ - adapter->wol = 0; - - if (wol->wolopts & WAKE_MAGIC) - adapter->wol |= ATLX_WUFC_MAG; - if (wol->wolopts & WAKE_PHY) - adapter->wol |= ATLX_WUFC_LNKC; - - return 0; -} - -static int atl2_nway_reset(struct net_device *netdev) -{ - struct atl2_adapter *adapter = netdev_priv(netdev); - if (netif_running(netdev)) - atl2_reinit_locked(adapter); - return 0; -} - -static const struct ethtool_ops atl2_ethtool_ops = { - .get_settings = atl2_get_settings, - .set_settings = atl2_set_settings, - .get_drvinfo = atl2_get_drvinfo, - .get_regs_len = atl2_get_regs_len, - .get_regs = atl2_get_regs, - .get_wol = atl2_get_wol, - .set_wol = atl2_set_wol, - .get_msglevel = atl2_get_msglevel, - .set_msglevel = atl2_set_msglevel, - .nway_reset = atl2_nway_reset, - .get_link = ethtool_op_get_link, - .get_eeprom_len = atl2_get_eeprom_len, - .get_eeprom = atl2_get_eeprom, - .set_eeprom = atl2_set_eeprom, -}; - -static void atl2_set_ethtool_ops(struct net_device *netdev) -{ - SET_ETHTOOL_OPS(netdev, &atl2_ethtool_ops); -} - -#define LBYTESWAP(a) ((((a) & 0x00ff00ff) << 8) | \ - (((a) & 0xff00ff00) >> 8)) -#define LONGSWAP(a) ((LBYTESWAP(a) << 16) | (LBYTESWAP(a) >> 16)) -#define SHORTSWAP(a) (((a) << 8) | ((a) >> 8)) - -/* - * Reset the transmit and receive units; mask and clear all interrupts. - * - * hw - Struct containing variables accessed by shared code - * return : 0 or idle status (if error) - */ -static s32 atl2_reset_hw(struct atl2_hw *hw) -{ - u32 icr; - u16 pci_cfg_cmd_word; - int i; - - /* Workaround for PCI problem when BIOS sets MMRBC incorrectly. */ - atl2_read_pci_cfg(hw, PCI_REG_COMMAND, &pci_cfg_cmd_word); - if ((pci_cfg_cmd_word & - (CMD_IO_SPACE|CMD_MEMORY_SPACE|CMD_BUS_MASTER)) != - (CMD_IO_SPACE|CMD_MEMORY_SPACE|CMD_BUS_MASTER)) { - pci_cfg_cmd_word |= - (CMD_IO_SPACE|CMD_MEMORY_SPACE|CMD_BUS_MASTER); - atl2_write_pci_cfg(hw, PCI_REG_COMMAND, &pci_cfg_cmd_word); - } - - /* Clear Interrupt mask to stop board from generating - * interrupts & Clear any pending interrupt events - */ - /* FIXME */ - /* ATL2_WRITE_REG(hw, REG_IMR, 0); */ - /* ATL2_WRITE_REG(hw, REG_ISR, 0xffffffff); */ - - /* Issue Soft Reset to the MAC. This will reset the chip's - * transmit, receive, DMA. It will not effect - * the current PCI configuration. The global reset bit is self- - * clearing, and should clear within a microsecond. - */ - ATL2_WRITE_REG(hw, REG_MASTER_CTRL, MASTER_CTRL_SOFT_RST); - wmb(); - msleep(1); /* delay about 1ms */ - - /* Wait at least 10ms for All module to be Idle */ - for (i = 0; i < 10; i++) { - icr = ATL2_READ_REG(hw, REG_IDLE_STATUS); - if (!icr) - break; - msleep(1); /* delay 1 ms */ - cpu_relax(); - } - - if (icr) - return icr; - - return 0; -} - -#define CUSTOM_SPI_CS_SETUP 2 -#define CUSTOM_SPI_CLK_HI 2 -#define CUSTOM_SPI_CLK_LO 2 -#define CUSTOM_SPI_CS_HOLD 2 -#define CUSTOM_SPI_CS_HI 3 - -static struct atl2_spi_flash_dev flash_table[] = -{ -/* MFR WRSR READ PROGRAM WREN WRDI RDSR RDID SECTOR_ERASE CHIP_ERASE */ -{"Atmel", 0x0, 0x03, 0x02, 0x06, 0x04, 0x05, 0x15, 0x52, 0x62 }, -{"SST", 0x01, 0x03, 0x02, 0x06, 0x04, 0x05, 0x90, 0x20, 0x60 }, -{"ST", 0x01, 0x03, 0x02, 0x06, 0x04, 0x05, 0xAB, 0xD8, 0xC7 }, -}; - -static bool atl2_spi_read(struct atl2_hw *hw, u32 addr, u32 *buf) -{ - int i; - u32 value; - - ATL2_WRITE_REG(hw, REG_SPI_DATA, 0); - ATL2_WRITE_REG(hw, REG_SPI_ADDR, addr); - - value = SPI_FLASH_CTRL_WAIT_READY | - (CUSTOM_SPI_CS_SETUP & SPI_FLASH_CTRL_CS_SETUP_MASK) << - SPI_FLASH_CTRL_CS_SETUP_SHIFT | - (CUSTOM_SPI_CLK_HI & SPI_FLASH_CTRL_CLK_HI_MASK) << - SPI_FLASH_CTRL_CLK_HI_SHIFT | - (CUSTOM_SPI_CLK_LO & SPI_FLASH_CTRL_CLK_LO_MASK) << - SPI_FLASH_CTRL_CLK_LO_SHIFT | - (CUSTOM_SPI_CS_HOLD & SPI_FLASH_CTRL_CS_HOLD_MASK) << - SPI_FLASH_CTRL_CS_HOLD_SHIFT | - (CUSTOM_SPI_CS_HI & SPI_FLASH_CTRL_CS_HI_MASK) << - SPI_FLASH_CTRL_CS_HI_SHIFT | - (0x1 & SPI_FLASH_CTRL_INS_MASK) << SPI_FLASH_CTRL_INS_SHIFT; - - ATL2_WRITE_REG(hw, REG_SPI_FLASH_CTRL, value); - - value |= SPI_FLASH_CTRL_START; - - ATL2_WRITE_REG(hw, REG_SPI_FLASH_CTRL, value); - - for (i = 0; i < 10; i++) { - msleep(1); - value = ATL2_READ_REG(hw, REG_SPI_FLASH_CTRL); - if (!(value & SPI_FLASH_CTRL_START)) - break; - } - - if (value & SPI_FLASH_CTRL_START) - return false; - - *buf = ATL2_READ_REG(hw, REG_SPI_DATA); - - return true; -} - -/* - * get_permanent_address - * return 0 if get valid mac address, - */ -static int get_permanent_address(struct atl2_hw *hw) -{ - u32 Addr[2]; - u32 i, Control; - u16 Register; - u8 EthAddr[NODE_ADDRESS_SIZE]; - bool KeyValid; - - if (is_valid_ether_addr(hw->perm_mac_addr)) - return 0; - - Addr[0] = 0; - Addr[1] = 0; - - if (!atl2_check_eeprom_exist(hw)) { /* eeprom exists */ - Register = 0; - KeyValid = false; - - /* Read out all EEPROM content */ - i = 0; - while (1) { - if (atl2_read_eeprom(hw, i + 0x100, &Control)) { - if (KeyValid) { - if (Register == REG_MAC_STA_ADDR) - Addr[0] = Control; - else if (Register == - (REG_MAC_STA_ADDR + 4)) - Addr[1] = Control; - KeyValid = false; - } else if ((Control & 0xff) == 0x5A) { - KeyValid = true; - Register = (u16) (Control >> 16); - } else { - /* assume data end while encount an invalid KEYWORD */ - break; - } - } else { - break; /* read error */ - } - i += 4; - } - - *(u32 *) &EthAddr[2] = LONGSWAP(Addr[0]); - *(u16 *) &EthAddr[0] = SHORTSWAP(*(u16 *) &Addr[1]); - - if (is_valid_ether_addr(EthAddr)) { - memcpy(hw->perm_mac_addr, EthAddr, NODE_ADDRESS_SIZE); - return 0; - } - return 1; - } - - /* see if SPI flash exists? */ - Addr[0] = 0; - Addr[1] = 0; - Register = 0; - KeyValid = false; - i = 0; - while (1) { - if (atl2_spi_read(hw, i + 0x1f000, &Control)) { - if (KeyValid) { - if (Register == REG_MAC_STA_ADDR) - Addr[0] = Control; - else if (Register == (REG_MAC_STA_ADDR + 4)) - Addr[1] = Control; - KeyValid = false; - } else if ((Control & 0xff) == 0x5A) { - KeyValid = true; - Register = (u16) (Control >> 16); - } else { - break; /* data end */ - } - } else { - break; /* read error */ - } - i += 4; - } - - *(u32 *) &EthAddr[2] = LONGSWAP(Addr[0]); - *(u16 *) &EthAddr[0] = SHORTSWAP(*(u16 *)&Addr[1]); - if (is_valid_ether_addr(EthAddr)) { - memcpy(hw->perm_mac_addr, EthAddr, NODE_ADDRESS_SIZE); - return 0; - } - /* maybe MAC-address is from BIOS */ - Addr[0] = ATL2_READ_REG(hw, REG_MAC_STA_ADDR); - Addr[1] = ATL2_READ_REG(hw, REG_MAC_STA_ADDR + 4); - *(u32 *) &EthAddr[2] = LONGSWAP(Addr[0]); - *(u16 *) &EthAddr[0] = SHORTSWAP(*(u16 *) &Addr[1]); - - if (is_valid_ether_addr(EthAddr)) { - memcpy(hw->perm_mac_addr, EthAddr, NODE_ADDRESS_SIZE); - return 0; - } - - return 1; -} - -/* - * Reads the adapter's MAC address from the EEPROM - * - * hw - Struct containing variables accessed by shared code - */ -static s32 atl2_read_mac_addr(struct atl2_hw *hw) -{ - u16 i; - - if (get_permanent_address(hw)) { - /* for test */ - /* FIXME: shouldn't we use random_ether_addr() here? */ - hw->perm_mac_addr[0] = 0x00; - hw->perm_mac_addr[1] = 0x13; - hw->perm_mac_addr[2] = 0x74; - hw->perm_mac_addr[3] = 0x00; - hw->perm_mac_addr[4] = 0x5c; - hw->perm_mac_addr[5] = 0x38; - } - - for (i = 0; i < NODE_ADDRESS_SIZE; i++) - hw->mac_addr[i] = hw->perm_mac_addr[i]; - - return 0; -} - -/* - * Hashes an address to determine its location in the multicast table - * - * hw - Struct containing variables accessed by shared code - * mc_addr - the multicast address to hash - * - * atl2_hash_mc_addr - * purpose - * set hash value for a multicast address - * hash calcu processing : - * 1. calcu 32bit CRC for multicast address - * 2. reverse crc with MSB to LSB - */ -static u32 atl2_hash_mc_addr(struct atl2_hw *hw, u8 *mc_addr) -{ - u32 crc32, value; - int i; - - value = 0; - crc32 = ether_crc_le(6, mc_addr); - - for (i = 0; i < 32; i++) - value |= (((crc32 >> i) & 1) << (31 - i)); - - return value; -} - -/* - * Sets the bit in the multicast table corresponding to the hash value. - * - * hw - Struct containing variables accessed by shared code - * hash_value - Multicast address hash value - */ -static void atl2_hash_set(struct atl2_hw *hw, u32 hash_value) -{ - u32 hash_bit, hash_reg; - u32 mta; - - /* The HASH Table is a register array of 2 32-bit registers. - * It is treated like an array of 64 bits. We want to set - * bit BitArray[hash_value]. So we figure out what register - * the bit is in, read it, OR in the new bit, then write - * back the new value. The register is determined by the - * upper 7 bits of the hash value and the bit within that - * register are determined by the lower 5 bits of the value. - */ - hash_reg = (hash_value >> 31) & 0x1; - hash_bit = (hash_value >> 26) & 0x1F; - - mta = ATL2_READ_REG_ARRAY(hw, REG_RX_HASH_TABLE, hash_reg); - - mta |= (1 << hash_bit); - - ATL2_WRITE_REG_ARRAY(hw, REG_RX_HASH_TABLE, hash_reg, mta); -} - -/* - * atl2_init_pcie - init PCIE module - */ -static void atl2_init_pcie(struct atl2_hw *hw) -{ - u32 value; - value = LTSSM_TEST_MODE_DEF; - ATL2_WRITE_REG(hw, REG_LTSSM_TEST_MODE, value); - - value = PCIE_DLL_TX_CTRL1_DEF; - ATL2_WRITE_REG(hw, REG_PCIE_DLL_TX_CTRL1, value); -} - -static void atl2_init_flash_opcode(struct atl2_hw *hw) -{ - if (hw->flash_vendor >= ARRAY_SIZE(flash_table)) - hw->flash_vendor = 0; /* ATMEL */ - - /* Init OP table */ - ATL2_WRITE_REGB(hw, REG_SPI_FLASH_OP_PROGRAM, - flash_table[hw->flash_vendor].cmdPROGRAM); - ATL2_WRITE_REGB(hw, REG_SPI_FLASH_OP_SC_ERASE, - flash_table[hw->flash_vendor].cmdSECTOR_ERASE); - ATL2_WRITE_REGB(hw, REG_SPI_FLASH_OP_CHIP_ERASE, - flash_table[hw->flash_vendor].cmdCHIP_ERASE); - ATL2_WRITE_REGB(hw, REG_SPI_FLASH_OP_RDID, - flash_table[hw->flash_vendor].cmdRDID); - ATL2_WRITE_REGB(hw, REG_SPI_FLASH_OP_WREN, - flash_table[hw->flash_vendor].cmdWREN); - ATL2_WRITE_REGB(hw, REG_SPI_FLASH_OP_RDSR, - flash_table[hw->flash_vendor].cmdRDSR); - ATL2_WRITE_REGB(hw, REG_SPI_FLASH_OP_WRSR, - flash_table[hw->flash_vendor].cmdWRSR); - ATL2_WRITE_REGB(hw, REG_SPI_FLASH_OP_READ, - flash_table[hw->flash_vendor].cmdREAD); -} - -/******************************************************************** -* Performs basic configuration of the adapter. -* -* hw - Struct containing variables accessed by shared code -* Assumes that the controller has previously been reset and is in a -* post-reset uninitialized state. Initializes multicast table, -* and Calls routines to setup link -* Leaves the transmit and receive units disabled and uninitialized. -********************************************************************/ -static s32 atl2_init_hw(struct atl2_hw *hw) -{ - u32 ret_val = 0; - - atl2_init_pcie(hw); - - /* Zero out the Multicast HASH table */ - /* clear the old settings from the multicast hash table */ - ATL2_WRITE_REG(hw, REG_RX_HASH_TABLE, 0); - ATL2_WRITE_REG_ARRAY(hw, REG_RX_HASH_TABLE, 1, 0); - - atl2_init_flash_opcode(hw); - - ret_val = atl2_phy_init(hw); - - return ret_val; -} - -/* - * Detects the current speed and duplex settings of the hardware. - * - * hw - Struct containing variables accessed by shared code - * speed - Speed of the connection - * duplex - Duplex setting of the connection - */ -static s32 atl2_get_speed_and_duplex(struct atl2_hw *hw, u16 *speed, - u16 *duplex) -{ - s32 ret_val; - u16 phy_data; - - /* Read PHY Specific Status Register (17) */ - ret_val = atl2_read_phy_reg(hw, MII_ATLX_PSSR, &phy_data); - if (ret_val) - return ret_val; - - if (!(phy_data & MII_ATLX_PSSR_SPD_DPLX_RESOLVED)) - return ATLX_ERR_PHY_RES; - - switch (phy_data & MII_ATLX_PSSR_SPEED) { - case MII_ATLX_PSSR_100MBS: - *speed = SPEED_100; - break; - case MII_ATLX_PSSR_10MBS: - *speed = SPEED_10; - break; - default: - return ATLX_ERR_PHY_SPEED; - break; - } - - if (phy_data & MII_ATLX_PSSR_DPLX) - *duplex = FULL_DUPLEX; - else - *duplex = HALF_DUPLEX; - - return 0; -} - -/* - * Reads the value from a PHY register - * hw - Struct containing variables accessed by shared code - * reg_addr - address of the PHY register to read - */ -static s32 atl2_read_phy_reg(struct atl2_hw *hw, u16 reg_addr, u16 *phy_data) -{ - u32 val; - int i; - - val = ((u32)(reg_addr & MDIO_REG_ADDR_MASK)) << MDIO_REG_ADDR_SHIFT | - MDIO_START | - MDIO_SUP_PREAMBLE | - MDIO_RW | - MDIO_CLK_25_4 << MDIO_CLK_SEL_SHIFT; - ATL2_WRITE_REG(hw, REG_MDIO_CTRL, val); - - wmb(); - - for (i = 0; i < MDIO_WAIT_TIMES; i++) { - udelay(2); - val = ATL2_READ_REG(hw, REG_MDIO_CTRL); - if (!(val & (MDIO_START | MDIO_BUSY))) - break; - wmb(); - } - if (!(val & (MDIO_START | MDIO_BUSY))) { - *phy_data = (u16)val; - return 0; - } - - return ATLX_ERR_PHY; -} - -/* - * Writes a value to a PHY register - * hw - Struct containing variables accessed by shared code - * reg_addr - address of the PHY register to write - * data - data to write to the PHY - */ -static s32 atl2_write_phy_reg(struct atl2_hw *hw, u32 reg_addr, u16 phy_data) -{ - int i; - u32 val; - - val = ((u32)(phy_data & MDIO_DATA_MASK)) << MDIO_DATA_SHIFT | - (reg_addr & MDIO_REG_ADDR_MASK) << MDIO_REG_ADDR_SHIFT | - MDIO_SUP_PREAMBLE | - MDIO_START | - MDIO_CLK_25_4 << MDIO_CLK_SEL_SHIFT; - ATL2_WRITE_REG(hw, REG_MDIO_CTRL, val); - - wmb(); - - for (i = 0; i < MDIO_WAIT_TIMES; i++) { - udelay(2); - val = ATL2_READ_REG(hw, REG_MDIO_CTRL); - if (!(val & (MDIO_START | MDIO_BUSY))) - break; - - wmb(); - } - - if (!(val & (MDIO_START | MDIO_BUSY))) - return 0; - - return ATLX_ERR_PHY; -} - -/* - * Configures PHY autoneg and flow control advertisement settings - * - * hw - Struct containing variables accessed by shared code - */ -static s32 atl2_phy_setup_autoneg_adv(struct atl2_hw *hw) -{ - s32 ret_val; - s16 mii_autoneg_adv_reg; - - /* Read the MII Auto-Neg Advertisement Register (Address 4). */ - mii_autoneg_adv_reg = MII_AR_DEFAULT_CAP_MASK; - - /* Need to parse autoneg_advertised and set up - * the appropriate PHY registers. First we will parse for - * autoneg_advertised software override. Since we can advertise - * a plethora of combinations, we need to check each bit - * individually. - */ - - /* First we clear all the 10/100 mb speed bits in the Auto-Neg - * Advertisement Register (Address 4) and the 1000 mb speed bits in - * the 1000Base-T Control Register (Address 9). */ - mii_autoneg_adv_reg &= ~MII_AR_SPEED_MASK; - - /* Need to parse MediaType and setup the - * appropriate PHY registers. */ - switch (hw->MediaType) { - case MEDIA_TYPE_AUTO_SENSOR: - mii_autoneg_adv_reg |= - (MII_AR_10T_HD_CAPS | - MII_AR_10T_FD_CAPS | - MII_AR_100TX_HD_CAPS| - MII_AR_100TX_FD_CAPS); - hw->autoneg_advertised = - ADVERTISE_10_HALF | - ADVERTISE_10_FULL | - ADVERTISE_100_HALF| - ADVERTISE_100_FULL; - break; - case MEDIA_TYPE_100M_FULL: - mii_autoneg_adv_reg |= MII_AR_100TX_FD_CAPS; - hw->autoneg_advertised = ADVERTISE_100_FULL; - break; - case MEDIA_TYPE_100M_HALF: - mii_autoneg_adv_reg |= MII_AR_100TX_HD_CAPS; - hw->autoneg_advertised = ADVERTISE_100_HALF; - break; - case MEDIA_TYPE_10M_FULL: - mii_autoneg_adv_reg |= MII_AR_10T_FD_CAPS; - hw->autoneg_advertised = ADVERTISE_10_FULL; - break; - default: - mii_autoneg_adv_reg |= MII_AR_10T_HD_CAPS; - hw->autoneg_advertised = ADVERTISE_10_HALF; - break; - } - - /* flow control fixed to enable all */ - mii_autoneg_adv_reg |= (MII_AR_ASM_DIR | MII_AR_PAUSE); - - hw->mii_autoneg_adv_reg = mii_autoneg_adv_reg; - - ret_val = atl2_write_phy_reg(hw, MII_ADVERTISE, mii_autoneg_adv_reg); - - if (ret_val) - return ret_val; - - return 0; -} - -/* - * Resets the PHY and make all config validate - * - * hw - Struct containing variables accessed by shared code - * - * Sets bit 15 and 12 of the MII Control regiser (for F001 bug) - */ -static s32 atl2_phy_commit(struct atl2_hw *hw) -{ - s32 ret_val; - u16 phy_data; - - phy_data = MII_CR_RESET | MII_CR_AUTO_NEG_EN | MII_CR_RESTART_AUTO_NEG; - ret_val = atl2_write_phy_reg(hw, MII_BMCR, phy_data); - if (ret_val) { - u32 val; - int i; - /* pcie serdes link may be down ! */ - for (i = 0; i < 25; i++) { - msleep(1); - val = ATL2_READ_REG(hw, REG_MDIO_CTRL); - if (!(val & (MDIO_START | MDIO_BUSY))) - break; - } - - if (0 != (val & (MDIO_START | MDIO_BUSY))) { - printk(KERN_ERR "atl2: PCIe link down for at least 25ms !\n"); - return ret_val; - } - } - return 0; -} - -static s32 atl2_phy_init(struct atl2_hw *hw) -{ - s32 ret_val; - u16 phy_val; - - if (hw->phy_configured) - return 0; - - /* Enable PHY */ - ATL2_WRITE_REGW(hw, REG_PHY_ENABLE, 1); - ATL2_WRITE_FLUSH(hw); - msleep(1); - - /* check if the PHY is in powersaving mode */ - atl2_write_phy_reg(hw, MII_DBG_ADDR, 0); - atl2_read_phy_reg(hw, MII_DBG_DATA, &phy_val); - - /* 024E / 124E 0r 0274 / 1274 ? */ - if (phy_val & 0x1000) { - phy_val &= ~0x1000; - atl2_write_phy_reg(hw, MII_DBG_DATA, phy_val); - } - - msleep(1); - - /*Enable PHY LinkChange Interrupt */ - ret_val = atl2_write_phy_reg(hw, 18, 0xC00); - if (ret_val) - return ret_val; - - /* setup AutoNeg parameters */ - ret_val = atl2_phy_setup_autoneg_adv(hw); - if (ret_val) - return ret_val; - - /* SW.Reset & En-Auto-Neg to restart Auto-Neg */ - ret_val = atl2_phy_commit(hw); - if (ret_val) - return ret_val; - - hw->phy_configured = true; - - return ret_val; -} - -static void atl2_set_mac_addr(struct atl2_hw *hw) -{ - u32 value; - /* 00-0B-6A-F6-00-DC - * 0: 6AF600DC 1: 000B - * low dword */ - value = (((u32)hw->mac_addr[2]) << 24) | - (((u32)hw->mac_addr[3]) << 16) | - (((u32)hw->mac_addr[4]) << 8) | - (((u32)hw->mac_addr[5])); - ATL2_WRITE_REG_ARRAY(hw, REG_MAC_STA_ADDR, 0, value); - /* hight dword */ - value = (((u32)hw->mac_addr[0]) << 8) | - (((u32)hw->mac_addr[1])); - ATL2_WRITE_REG_ARRAY(hw, REG_MAC_STA_ADDR, 1, value); -} - -/* - * check_eeprom_exist - * return 0 if eeprom exist - */ -static int atl2_check_eeprom_exist(struct atl2_hw *hw) -{ - u32 value; - - value = ATL2_READ_REG(hw, REG_SPI_FLASH_CTRL); - if (value & SPI_FLASH_CTRL_EN_VPD) { - value &= ~SPI_FLASH_CTRL_EN_VPD; - ATL2_WRITE_REG(hw, REG_SPI_FLASH_CTRL, value); - } - value = ATL2_READ_REGW(hw, REG_PCIE_CAP_LIST); - return ((value & 0xFF00) == 0x6C00) ? 0 : 1; -} - -/* FIXME: This doesn't look right. -- CHS */ -static bool atl2_write_eeprom(struct atl2_hw *hw, u32 offset, u32 value) -{ - return true; -} - -static bool atl2_read_eeprom(struct atl2_hw *hw, u32 Offset, u32 *pValue) -{ - int i; - u32 Control; - - if (Offset & 0x3) - return false; /* address do not align */ - - ATL2_WRITE_REG(hw, REG_VPD_DATA, 0); - Control = (Offset & VPD_CAP_VPD_ADDR_MASK) << VPD_CAP_VPD_ADDR_SHIFT; - ATL2_WRITE_REG(hw, REG_VPD_CAP, Control); - - for (i = 0; i < 10; i++) { - msleep(2); - Control = ATL2_READ_REG(hw, REG_VPD_CAP); - if (Control & VPD_CAP_VPD_FLAG) - break; - } - - if (Control & VPD_CAP_VPD_FLAG) { - *pValue = ATL2_READ_REG(hw, REG_VPD_DATA); - return true; - } - return false; /* timeout */ -} - -static void atl2_force_ps(struct atl2_hw *hw) -{ - u16 phy_val; - - atl2_write_phy_reg(hw, MII_DBG_ADDR, 0); - atl2_read_phy_reg(hw, MII_DBG_DATA, &phy_val); - atl2_write_phy_reg(hw, MII_DBG_DATA, phy_val | 0x1000); - - atl2_write_phy_reg(hw, MII_DBG_ADDR, 2); - atl2_write_phy_reg(hw, MII_DBG_DATA, 0x3000); - atl2_write_phy_reg(hw, MII_DBG_ADDR, 3); - atl2_write_phy_reg(hw, MII_DBG_DATA, 0); -} - -/* This is the only thing that needs to be changed to adjust the - * maximum number of ports that the driver can manage. - */ -#define ATL2_MAX_NIC 4 - -#define OPTION_UNSET -1 -#define OPTION_DISABLED 0 -#define OPTION_ENABLED 1 - -/* All parameters are treated the same, as an integer array of values. - * This macro just reduces the need to repeat the same declaration code - * over and over (plus this helps to avoid typo bugs). - */ -#define ATL2_PARAM_INIT {[0 ... ATL2_MAX_NIC] = OPTION_UNSET} -#ifndef module_param_array -/* Module Parameters are always initialized to -1, so that the driver - * can tell the difference between no user specified value or the - * user asking for the default value. - * The true default values are loaded in when atl2_check_options is called. - * - * This is a GCC extension to ANSI C. - * See the item "Labeled Elements in Initializers" in the section - * "Extensions to the C Language Family" of the GCC documentation. - */ - -#define ATL2_PARAM(X, desc) \ - static const int __devinitdata X[ATL2_MAX_NIC + 1] = ATL2_PARAM_INIT; \ - MODULE_PARM(X, "1-" __MODULE_STRING(ATL2_MAX_NIC) "i"); \ - MODULE_PARM_DESC(X, desc); -#else -#define ATL2_PARAM(X, desc) \ - static int __devinitdata X[ATL2_MAX_NIC+1] = ATL2_PARAM_INIT; \ - static unsigned int num_##X; \ - module_param_array_named(X, X, int, &num_##X, 0); \ - MODULE_PARM_DESC(X, desc); -#endif - -/* - * Transmit Memory Size - * Valid Range: 64-2048 - * Default Value: 128 - */ -#define ATL2_MIN_TX_MEMSIZE 4 /* 4KB */ -#define ATL2_MAX_TX_MEMSIZE 64 /* 64KB */ -#define ATL2_DEFAULT_TX_MEMSIZE 8 /* 8KB */ -ATL2_PARAM(TxMemSize, "Bytes of Transmit Memory"); - -/* - * Receive Memory Block Count - * Valid Range: 16-512 - * Default Value: 128 - */ -#define ATL2_MIN_RXD_COUNT 16 -#define ATL2_MAX_RXD_COUNT 512 -#define ATL2_DEFAULT_RXD_COUNT 64 -ATL2_PARAM(RxMemBlock, "Number of receive memory block"); - -/* - * User Specified MediaType Override - * - * Valid Range: 0-5 - * - 0 - auto-negotiate at all supported speeds - * - 1 - only link at 1000Mbps Full Duplex - * - 2 - only link at 100Mbps Full Duplex - * - 3 - only link at 100Mbps Half Duplex - * - 4 - only link at 10Mbps Full Duplex - * - 5 - only link at 10Mbps Half Duplex - * Default Value: 0 - */ -ATL2_PARAM(MediaType, "MediaType Select"); - -/* - * Interrupt Moderate Timer in units of 2048 ns (~2 us) - * Valid Range: 10-65535 - * Default Value: 45000(90ms) - */ -#define INT_MOD_DEFAULT_CNT 100 /* 200us */ -#define INT_MOD_MAX_CNT 65000 -#define INT_MOD_MIN_CNT 50 -ATL2_PARAM(IntModTimer, "Interrupt Moderator Timer"); - -/* - * FlashVendor - * Valid Range: 0-2 - * 0 - Atmel - * 1 - SST - * 2 - ST - */ -ATL2_PARAM(FlashVendor, "SPI Flash Vendor"); - -#define AUTONEG_ADV_DEFAULT 0x2F -#define AUTONEG_ADV_MASK 0x2F -#define FLOW_CONTROL_DEFAULT FLOW_CONTROL_FULL - -#define FLASH_VENDOR_DEFAULT 0 -#define FLASH_VENDOR_MIN 0 -#define FLASH_VENDOR_MAX 2 - -struct atl2_option { - enum { enable_option, range_option, list_option } type; - char *name; - char *err; - int def; - union { - struct { /* range_option info */ - int min; - int max; - } r; - struct { /* list_option info */ - int nr; - struct atl2_opt_list { int i; char *str; } *p; - } l; - } arg; -}; - -static int __devinit atl2_validate_option(int *value, struct atl2_option *opt) -{ - int i; - struct atl2_opt_list *ent; - - if (*value == OPTION_UNSET) { - *value = opt->def; - return 0; - } - - switch (opt->type) { - case enable_option: - switch (*value) { - case OPTION_ENABLED: - printk(KERN_INFO "%s Enabled\n", opt->name); - return 0; - break; - case OPTION_DISABLED: - printk(KERN_INFO "%s Disabled\n", opt->name); - return 0; - break; - } - break; - case range_option: - if (*value >= opt->arg.r.min && *value <= opt->arg.r.max) { - printk(KERN_INFO "%s set to %i\n", opt->name, *value); - return 0; - } - break; - case list_option: - for (i = 0; i < opt->arg.l.nr; i++) { - ent = &opt->arg.l.p[i]; - if (*value == ent->i) { - if (ent->str[0] != '\0') - printk(KERN_INFO "%s\n", ent->str); - return 0; - } - } - break; - default: - BUG(); - } - - printk(KERN_INFO "Invalid %s specified (%i) %s\n", - opt->name, *value, opt->err); - *value = opt->def; - return -1; -} - -/* - * atl2_check_options - Range Checking for Command Line Parameters - * @adapter: board private structure - * - * This routine checks all command line parameters for valid user - * input. If an invalid value is given, or if no user specified - * value exists, a default value is used. The final value is stored - * in a variable in the adapter structure. - */ -static void __devinit atl2_check_options(struct atl2_adapter *adapter) -{ - int val; - struct atl2_option opt; - int bd = adapter->bd_number; - if (bd >= ATL2_MAX_NIC) { - printk(KERN_NOTICE "Warning: no configuration for board #%i\n", - bd); - printk(KERN_NOTICE "Using defaults for all values\n"); -#ifndef module_param_array - bd = ATL2_MAX_NIC; -#endif - } - - /* Bytes of Transmit Memory */ - opt.type = range_option; - opt.name = "Bytes of Transmit Memory"; - opt.err = "using default of " __MODULE_STRING(ATL2_DEFAULT_TX_MEMSIZE); - opt.def = ATL2_DEFAULT_TX_MEMSIZE; - opt.arg.r.min = ATL2_MIN_TX_MEMSIZE; - opt.arg.r.max = ATL2_MAX_TX_MEMSIZE; -#ifdef module_param_array - if (num_TxMemSize > bd) { -#endif - val = TxMemSize[bd]; - atl2_validate_option(&val, &opt); - adapter->txd_ring_size = ((u32) val) * 1024; -#ifdef module_param_array - } else - adapter->txd_ring_size = ((u32)opt.def) * 1024; -#endif - /* txs ring size: */ - adapter->txs_ring_size = adapter->txd_ring_size / 128; - if (adapter->txs_ring_size > 160) - adapter->txs_ring_size = 160; - - /* Receive Memory Block Count */ - opt.type = range_option; - opt.name = "Number of receive memory block"; - opt.err = "using default of " __MODULE_STRING(ATL2_DEFAULT_RXD_COUNT); - opt.def = ATL2_DEFAULT_RXD_COUNT; - opt.arg.r.min = ATL2_MIN_RXD_COUNT; - opt.arg.r.max = ATL2_MAX_RXD_COUNT; -#ifdef module_param_array - if (num_RxMemBlock > bd) { -#endif - val = RxMemBlock[bd]; - atl2_validate_option(&val, &opt); - adapter->rxd_ring_size = (u32)val; - /* FIXME */ - /* ((u16)val)&~1; */ /* even number */ -#ifdef module_param_array - } else - adapter->rxd_ring_size = (u32)opt.def; -#endif - /* init RXD Flow control value */ - adapter->hw.fc_rxd_hi = (adapter->rxd_ring_size / 8) * 7; - adapter->hw.fc_rxd_lo = (ATL2_MIN_RXD_COUNT / 8) > - (adapter->rxd_ring_size / 12) ? (ATL2_MIN_RXD_COUNT / 8) : - (adapter->rxd_ring_size / 12); - - /* Interrupt Moderate Timer */ - opt.type = range_option; - opt.name = "Interrupt Moderate Timer"; - opt.err = "using default of " __MODULE_STRING(INT_MOD_DEFAULT_CNT); - opt.def = INT_MOD_DEFAULT_CNT; - opt.arg.r.min = INT_MOD_MIN_CNT; - opt.arg.r.max = INT_MOD_MAX_CNT; -#ifdef module_param_array - if (num_IntModTimer > bd) { -#endif - val = IntModTimer[bd]; - atl2_validate_option(&val, &opt); - adapter->imt = (u16) val; -#ifdef module_param_array - } else - adapter->imt = (u16)(opt.def); -#endif - /* Flash Vendor */ - opt.type = range_option; - opt.name = "SPI Flash Vendor"; - opt.err = "using default of " __MODULE_STRING(FLASH_VENDOR_DEFAULT); - opt.def = FLASH_VENDOR_DEFAULT; - opt.arg.r.min = FLASH_VENDOR_MIN; - opt.arg.r.max = FLASH_VENDOR_MAX; -#ifdef module_param_array - if (num_FlashVendor > bd) { -#endif - val = FlashVendor[bd]; - atl2_validate_option(&val, &opt); - adapter->hw.flash_vendor = (u8) val; -#ifdef module_param_array - } else - adapter->hw.flash_vendor = (u8)(opt.def); -#endif - /* MediaType */ - opt.type = range_option; - opt.name = "Speed/Duplex Selection"; - opt.err = "using default of " __MODULE_STRING(MEDIA_TYPE_AUTO_SENSOR); - opt.def = MEDIA_TYPE_AUTO_SENSOR; - opt.arg.r.min = MEDIA_TYPE_AUTO_SENSOR; - opt.arg.r.max = MEDIA_TYPE_10M_HALF; -#ifdef module_param_array - if (num_MediaType > bd) { -#endif - val = MediaType[bd]; - atl2_validate_option(&val, &opt); - adapter->hw.MediaType = (u16) val; -#ifdef module_param_array - } else - adapter->hw.MediaType = (u16)(opt.def); -#endif -} diff --git a/drivers/net/atlx/atl2.h b/drivers/net/atlx/atl2.h deleted file mode 100644 index bf9016ebdd9b..000000000000 --- a/drivers/net/atlx/atl2.h +++ /dev/null @@ -1,525 +0,0 @@ -/* atl2.h -- atl2 driver definitions - * - * Copyright(c) 2007 Atheros Corporation. All rights reserved. - * Copyright(c) 2006 xiong huang - * Copyright(c) 2007 Chris Snook - * - * Derived from Intel e1000 driver - * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., 59 - * Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -#ifndef _ATL2_H_ -#define _ATL2_H_ - -#include -#include - -#ifndef _ATL2_HW_H_ -#define _ATL2_HW_H_ - -#ifndef _ATL2_OSDEP_H_ -#define _ATL2_OSDEP_H_ - -#include -#include -#include -#include - -#include "atlx.h" - -#ifdef ETHTOOL_OPS_COMPAT -extern int ethtool_ioctl(struct ifreq *ifr); -#endif - -#define PCI_COMMAND_REGISTER PCI_COMMAND -#define CMD_MEM_WRT_INVALIDATE PCI_COMMAND_INVALIDATE -#define ETH_ADDR_LEN ETH_ALEN - -#define ATL2_WRITE_REG(a, reg, value) (iowrite32((value), \ - ((a)->hw_addr + (reg)))) - -#define ATL2_WRITE_FLUSH(a) (ioread32((a)->hw_addr)) - -#define ATL2_READ_REG(a, reg) (ioread32((a)->hw_addr + (reg))) - -#define ATL2_WRITE_REGB(a, reg, value) (iowrite8((value), \ - ((a)->hw_addr + (reg)))) - -#define ATL2_READ_REGB(a, reg) (ioread8((a)->hw_addr + (reg))) - -#define ATL2_WRITE_REGW(a, reg, value) (iowrite16((value), \ - ((a)->hw_addr + (reg)))) - -#define ATL2_READ_REGW(a, reg) (ioread16((a)->hw_addr + (reg))) - -#define ATL2_WRITE_REG_ARRAY(a, reg, offset, value) \ - (iowrite32((value), (((a)->hw_addr + (reg)) + ((offset) << 2)))) - -#define ATL2_READ_REG_ARRAY(a, reg, offset) \ - (ioread32(((a)->hw_addr + (reg)) + ((offset) << 2))) - -#endif /* _ATL2_OSDEP_H_ */ - -struct atl2_adapter; -struct atl2_hw; - -/* function prototype */ -static s32 atl2_reset_hw(struct atl2_hw *hw); -static s32 atl2_read_mac_addr(struct atl2_hw *hw); -static s32 atl2_init_hw(struct atl2_hw *hw); -static s32 atl2_get_speed_and_duplex(struct atl2_hw *hw, u16 *speed, - u16 *duplex); -static u32 atl2_hash_mc_addr(struct atl2_hw *hw, u8 *mc_addr); -static void atl2_hash_set(struct atl2_hw *hw, u32 hash_value); -static s32 atl2_read_phy_reg(struct atl2_hw *hw, u16 reg_addr, u16 *phy_data); -static s32 atl2_write_phy_reg(struct atl2_hw *hw, u32 reg_addr, u16 phy_data); -static void atl2_read_pci_cfg(struct atl2_hw *hw, u32 reg, u16 *value); -static void atl2_write_pci_cfg(struct atl2_hw *hw, u32 reg, u16 *value); -static void atl2_set_mac_addr(struct atl2_hw *hw); -static bool atl2_read_eeprom(struct atl2_hw *hw, u32 Offset, u32 *pValue); -static bool atl2_write_eeprom(struct atl2_hw *hw, u32 offset, u32 value); -static s32 atl2_phy_init(struct atl2_hw *hw); -static int atl2_check_eeprom_exist(struct atl2_hw *hw); -static void atl2_force_ps(struct atl2_hw *hw); - -/* register definition */ - -/* Block IDLE Status Register */ -#define IDLE_STATUS_RXMAC 1 /* 1: RXMAC is non-IDLE */ -#define IDLE_STATUS_TXMAC 2 /* 1: TXMAC is non-IDLE */ -#define IDLE_STATUS_DMAR 8 /* 1: DMAR is non-IDLE */ -#define IDLE_STATUS_DMAW 4 /* 1: DMAW is non-IDLE */ - -/* MDIO Control Register */ -#define MDIO_WAIT_TIMES 10 - -/* MAC Control Register */ -#define MAC_CTRL_DBG_TX_BKPRESURE 0x100000 /* 1: TX max backoff */ -#define MAC_CTRL_MACLP_CLK_PHY 0x8000000 /* 1: 25MHz from phy */ -#define MAC_CTRL_HALF_LEFT_BUF_SHIFT 28 -#define MAC_CTRL_HALF_LEFT_BUF_MASK 0xF /* MAC retry buf x32B */ - -/* Internal SRAM Partition Register */ -#define REG_SRAM_TXRAM_END 0x1500 /* Internal tail address of TXRAM - * default: 2byte*1024 */ -#define REG_SRAM_RXRAM_END 0x1502 /* Internal tail address of RXRAM - * default: 2byte*1024 */ - -/* Descriptor Control register */ -#define REG_TXD_BASE_ADDR_LO 0x1544 /* The base address of the Transmit - * Data Mem low 32-bit(dword align) */ -#define REG_TXD_MEM_SIZE 0x1548 /* Transmit Data Memory size(by - * double word , max 256KB) */ -#define REG_TXS_BASE_ADDR_LO 0x154C /* The base address of the Transmit - * Status Memory low 32-bit(dword word - * align) */ -#define REG_TXS_MEM_SIZE 0x1550 /* double word unit, max 4*2047 - * bytes. */ -#define REG_RXD_BASE_ADDR_LO 0x1554 /* The base address of the Transmit - * Status Memory low 32-bit(unit 8 - * bytes) */ -#define REG_RXD_BUF_NUM 0x1558 /* Receive Data & Status Memory buffer - * number (unit 1536bytes, max - * 1536*2047) */ - -/* DMAR Control Register */ -#define REG_DMAR 0x1580 -#define DMAR_EN 0x1 /* 1: Enable DMAR */ - -/* TX Cur-Through (early tx threshold) Control Register */ -#define REG_TX_CUT_THRESH 0x1590 /* TxMac begin transmit packet - * threshold(unit word) */ - -/* DMAW Control Register */ -#define REG_DMAW 0x15A0 -#define DMAW_EN 0x1 - -/* Flow control register */ -#define REG_PAUSE_ON_TH 0x15A8 /* RXD high watermark of overflow - * threshold configuration register */ -#define REG_PAUSE_OFF_TH 0x15AA /* RXD lower watermark of overflow - * threshold configuration register */ - -/* Mailbox Register */ -#define REG_MB_TXD_WR_IDX 0x15f0 /* double word align */ -#define REG_MB_RXD_RD_IDX 0x15F4 /* RXD Read index (unit: 1536byets) */ - -/* Interrupt Status Register */ -#define ISR_TIMER 1 /* Interrupt when Timer counts down to zero */ -#define ISR_MANUAL 2 /* Software manual interrupt, for debug. Set - * when SW_MAN_INT_EN is set in Table 51 - * Selene Master Control Register - * (Offset 0x1400). */ -#define ISR_RXF_OV 4 /* RXF overflow interrupt */ -#define ISR_TXF_UR 8 /* TXF underrun interrupt */ -#define ISR_TXS_OV 0x10 /* Internal transmit status buffer full - * interrupt */ -#define ISR_RXS_OV 0x20 /* Internal receive status buffer full - * interrupt */ -#define ISR_LINK_CHG 0x40 /* Link Status Change Interrupt */ -#define ISR_HOST_TXD_UR 0x80 -#define ISR_HOST_RXD_OV 0x100 /* Host rx data memory full , one pulse */ -#define ISR_DMAR_TO_RST 0x200 /* DMAR op timeout interrupt. SW should - * do Reset */ -#define ISR_DMAW_TO_RST 0x400 -#define ISR_PHY 0x800 /* phy interrupt */ -#define ISR_TS_UPDATE 0x10000 /* interrupt after new tx pkt status written - * to host */ -#define ISR_RS_UPDATE 0x20000 /* interrupt ater new rx pkt status written - * to host. */ -#define ISR_TX_EARLY 0x40000 /* interrupt when txmac begin transmit one - * packet */ - -#define ISR_TX_EVENT (ISR_TXF_UR | ISR_TXS_OV | ISR_HOST_TXD_UR |\ - ISR_TS_UPDATE | ISR_TX_EARLY) -#define ISR_RX_EVENT (ISR_RXF_OV | ISR_RXS_OV | ISR_HOST_RXD_OV |\ - ISR_RS_UPDATE) - -#define IMR_NORMAL_MASK (\ - /*ISR_LINK_CHG |*/\ - ISR_MANUAL |\ - ISR_DMAR_TO_RST |\ - ISR_DMAW_TO_RST |\ - ISR_PHY |\ - ISR_PHY_LINKDOWN |\ - ISR_TS_UPDATE |\ - ISR_RS_UPDATE) - -/* Receive MAC Statistics Registers */ -#define REG_STS_RX_PAUSE 0x1700 /* Num pause packets received */ -#define REG_STS_RXD_OV 0x1704 /* Num frames dropped due to RX - * FIFO overflow */ -#define REG_STS_RXS_OV 0x1708 /* Num frames dropped due to RX - * Status Buffer Overflow */ -#define REG_STS_RX_FILTER 0x170C /* Num packets dropped due to - * address filtering */ - -/* MII definitions */ - -/* PHY Common Register */ -#define MII_SMARTSPEED 0x14 -#define MII_DBG_ADDR 0x1D -#define MII_DBG_DATA 0x1E - -/* PCI Command Register Bit Definitions */ -#define PCI_REG_COMMAND 0x04 -#define CMD_IO_SPACE 0x0001 -#define CMD_MEMORY_SPACE 0x0002 -#define CMD_BUS_MASTER 0x0004 - -#define MEDIA_TYPE_100M_FULL 1 -#define MEDIA_TYPE_100M_HALF 2 -#define MEDIA_TYPE_10M_FULL 3 -#define MEDIA_TYPE_10M_HALF 4 - -#define AUTONEG_ADVERTISE_SPEED_DEFAULT 0x000F /* Everything */ - -/* The size (in bytes) of a ethernet packet */ -#define ENET_HEADER_SIZE 14 -#define MAXIMUM_ETHERNET_FRAME_SIZE 1518 /* with FCS */ -#define MINIMUM_ETHERNET_FRAME_SIZE 64 /* with FCS */ -#define ETHERNET_FCS_SIZE 4 -#define MAX_JUMBO_FRAME_SIZE 0x2000 -#define VLAN_SIZE 4 - -struct tx_pkt_header { - unsigned pkt_size:11; - unsigned:4; /* reserved */ - unsigned ins_vlan:1; /* txmac should insert vlan */ - unsigned short vlan; /* vlan tag */ -}; -/* FIXME: replace above bitfields with MASK/SHIFT defines below */ -#define TX_PKT_HEADER_SIZE_MASK 0x7FF -#define TX_PKT_HEADER_SIZE_SHIFT 0 -#define TX_PKT_HEADER_INS_VLAN_MASK 0x1 -#define TX_PKT_HEADER_INS_VLAN_SHIFT 15 -#define TX_PKT_HEADER_VLAN_TAG_MASK 0xFFFF -#define TX_PKT_HEADER_VLAN_TAG_SHIFT 16 - -struct tx_pkt_status { - unsigned pkt_size:11; - unsigned:5; /* reserved */ - unsigned ok:1; /* current packet transmitted without error */ - unsigned bcast:1; /* broadcast packet */ - unsigned mcast:1; /* multicast packet */ - unsigned pause:1; /* transmiited a pause frame */ - unsigned ctrl:1; - unsigned defer:1; /* current packet is xmitted with defer */ - unsigned exc_defer:1; - unsigned single_col:1; - unsigned multi_col:1; - unsigned late_col:1; - unsigned abort_col:1; - unsigned underun:1; /* current packet is aborted - * due to txram underrun */ - unsigned:3; /* reserved */ - unsigned update:1; /* always 1'b1 in tx_status_buf */ -}; -/* FIXME: replace above bitfields with MASK/SHIFT defines below */ -#define TX_PKT_STATUS_SIZE_MASK 0x7FF -#define TX_PKT_STATUS_SIZE_SHIFT 0 -#define TX_PKT_STATUS_OK_MASK 0x1 -#define TX_PKT_STATUS_OK_SHIFT 16 -#define TX_PKT_STATUS_BCAST_MASK 0x1 -#define TX_PKT_STATUS_BCAST_SHIFT 17 -#define TX_PKT_STATUS_MCAST_MASK 0x1 -#define TX_PKT_STATUS_MCAST_SHIFT 18 -#define TX_PKT_STATUS_PAUSE_MASK 0x1 -#define TX_PKT_STATUS_PAUSE_SHIFT 19 -#define TX_PKT_STATUS_CTRL_MASK 0x1 -#define TX_PKT_STATUS_CTRL_SHIFT 20 -#define TX_PKT_STATUS_DEFER_MASK 0x1 -#define TX_PKT_STATUS_DEFER_SHIFT 21 -#define TX_PKT_STATUS_EXC_DEFER_MASK 0x1 -#define TX_PKT_STATUS_EXC_DEFER_SHIFT 22 -#define TX_PKT_STATUS_SINGLE_COL_MASK 0x1 -#define TX_PKT_STATUS_SINGLE_COL_SHIFT 23 -#define TX_PKT_STATUS_MULTI_COL_MASK 0x1 -#define TX_PKT_STATUS_MULTI_COL_SHIFT 24 -#define TX_PKT_STATUS_LATE_COL_MASK 0x1 -#define TX_PKT_STATUS_LATE_COL_SHIFT 25 -#define TX_PKT_STATUS_ABORT_COL_MASK 0x1 -#define TX_PKT_STATUS_ABORT_COL_SHIFT 26 -#define TX_PKT_STATUS_UNDERRUN_MASK 0x1 -#define TX_PKT_STATUS_UNDERRUN_SHIFT 27 -#define TX_PKT_STATUS_UPDATE_MASK 0x1 -#define TX_PKT_STATUS_UPDATE_SHIFT 31 - -struct rx_pkt_status { - unsigned pkt_size:11; /* packet size, max 2047 bytes */ - unsigned:5; /* reserved */ - unsigned ok:1; /* current packet received ok without error */ - unsigned bcast:1; /* current packet is broadcast */ - unsigned mcast:1; /* current packet is multicast */ - unsigned pause:1; - unsigned ctrl:1; - unsigned crc:1; /* received a packet with crc error */ - unsigned code:1; /* received a packet with code error */ - unsigned runt:1; /* received a packet less than 64 bytes - * with good crc */ - unsigned frag:1; /* received a packet less than 64 bytes - * with bad crc */ - unsigned trunc:1; /* current frame truncated due to rxram full */ - unsigned align:1; /* this packet is alignment error */ - unsigned vlan:1; /* this packet has vlan */ - unsigned:3; /* reserved */ - unsigned update:1; - unsigned short vtag; /* vlan tag */ - unsigned:16; -}; -/* FIXME: replace above bitfields with MASK/SHIFT defines below */ -#define RX_PKT_STATUS_SIZE_MASK 0x7FF -#define RX_PKT_STATUS_SIZE_SHIFT 0 -#define RX_PKT_STATUS_OK_MASK 0x1 -#define RX_PKT_STATUS_OK_SHIFT 16 -#define RX_PKT_STATUS_BCAST_MASK 0x1 -#define RX_PKT_STATUS_BCAST_SHIFT 17 -#define RX_PKT_STATUS_MCAST_MASK 0x1 -#define RX_PKT_STATUS_MCAST_SHIFT 18 -#define RX_PKT_STATUS_PAUSE_MASK 0x1 -#define RX_PKT_STATUS_PAUSE_SHIFT 19 -#define RX_PKT_STATUS_CTRL_MASK 0x1 -#define RX_PKT_STATUS_CTRL_SHIFT 20 -#define RX_PKT_STATUS_CRC_MASK 0x1 -#define RX_PKT_STATUS_CRC_SHIFT 21 -#define RX_PKT_STATUS_CODE_MASK 0x1 -#define RX_PKT_STATUS_CODE_SHIFT 22 -#define RX_PKT_STATUS_RUNT_MASK 0x1 -#define RX_PKT_STATUS_RUNT_SHIFT 23 -#define RX_PKT_STATUS_FRAG_MASK 0x1 -#define RX_PKT_STATUS_FRAG_SHIFT 24 -#define RX_PKT_STATUS_TRUNK_MASK 0x1 -#define RX_PKT_STATUS_TRUNK_SHIFT 25 -#define RX_PKT_STATUS_ALIGN_MASK 0x1 -#define RX_PKT_STATUS_ALIGN_SHIFT 26 -#define RX_PKT_STATUS_VLAN_MASK 0x1 -#define RX_PKT_STATUS_VLAN_SHIFT 27 -#define RX_PKT_STATUS_UPDATE_MASK 0x1 -#define RX_PKT_STATUS_UPDATE_SHIFT 31 -#define RX_PKT_STATUS_VLAN_TAG_MASK 0xFFFF -#define RX_PKT_STATUS_VLAN_TAG_SHIFT 32 - -struct rx_desc { - struct rx_pkt_status status; - unsigned char packet[1536-sizeof(struct rx_pkt_status)]; -}; - -enum atl2_speed_duplex { - atl2_10_half = 0, - atl2_10_full = 1, - atl2_100_half = 2, - atl2_100_full = 3 -}; - -struct atl2_spi_flash_dev { - const char *manu_name; /* manufacturer id */ - /* op-code */ - u8 cmdWRSR; - u8 cmdREAD; - u8 cmdPROGRAM; - u8 cmdWREN; - u8 cmdWRDI; - u8 cmdRDSR; - u8 cmdRDID; - u8 cmdSECTOR_ERASE; - u8 cmdCHIP_ERASE; -}; - -/* Structure containing variables used by the shared code (atl2_hw.c) */ -struct atl2_hw { - u8 __iomem *hw_addr; - void *back; - - u8 preamble_len; - u8 max_retry; /* Retransmission maximum, afterwards the - * packet will be discarded. */ - u8 jam_ipg; /* IPG to start JAM for collision based flow - * control in half-duplex mode. In unit of - * 8-bit time. */ - u8 ipgt; /* Desired back to back inter-packet gap. The - * default is 96-bit time. */ - u8 min_ifg; /* Minimum number of IFG to enforce in between - * RX frames. Frame gap below such IFP is - * dropped. */ - u8 ipgr1; /* 64bit Carrier-Sense window */ - u8 ipgr2; /* 96-bit IPG window */ - u8 retry_buf; /* When half-duplex mode, should hold some - * bytes for mac retry . (8*4bytes unit) */ - - u16 fc_rxd_hi; - u16 fc_rxd_lo; - u16 lcol; /* Collision Window */ - u16 max_frame_size; - - u16 MediaType; - u16 autoneg_advertised; - u16 pci_cmd_word; - - u16 mii_autoneg_adv_reg; - - u32 mem_rang; - u32 txcw; - u32 mc_filter_type; - u32 num_mc_addrs; - u32 collision_delta; - u32 tx_packet_delta; - u16 phy_spd_default; - - u16 device_id; - u16 vendor_id; - u16 subsystem_id; - u16 subsystem_vendor_id; - u8 revision_id; - - /* spi flash */ - u8 flash_vendor; - - u8 dma_fairness; - u8 mac_addr[NODE_ADDRESS_SIZE]; - u8 perm_mac_addr[NODE_ADDRESS_SIZE]; - - /* FIXME */ - /* bool phy_preamble_sup; */ - bool phy_configured; -}; - -#endif /* _ATL2_HW_H_ */ - -struct atl2_ring_header { - /* pointer to the descriptor ring memory */ - void *desc; - /* physical address of the descriptor ring */ - dma_addr_t dma; - /* length of descriptor ring in bytes */ - unsigned int size; -}; - -/* board specific private data structure */ -struct atl2_adapter { - /* OS defined structs */ - struct net_device *netdev; - struct pci_dev *pdev; - u32 wol; - u16 link_speed; - u16 link_duplex; - - spinlock_t stats_lock; - - struct work_struct reset_task; - struct work_struct link_chg_task; - struct timer_list watchdog_timer; - struct timer_list phy_config_timer; - - unsigned long cfg_phy; - bool mac_disabled; - - /* All Descriptor memory */ - dma_addr_t ring_dma; - void *ring_vir_addr; - int ring_size; - - struct tx_pkt_header *txd_ring; - dma_addr_t txd_dma; - - struct tx_pkt_status *txs_ring; - dma_addr_t txs_dma; - - struct rx_desc *rxd_ring; - dma_addr_t rxd_dma; - - u32 txd_ring_size; /* bytes per unit */ - u32 txs_ring_size; /* dwords per unit */ - u32 rxd_ring_size; /* 1536 bytes per unit */ - - /* read /write ptr: */ - /* host */ - u32 txd_write_ptr; - u32 txs_next_clear; - u32 rxd_read_ptr; - - /* nic */ - atomic_t txd_read_ptr; - atomic_t txs_write_ptr; - u32 rxd_write_ptr; - - /* Interrupt Moderator timer ( 2us resolution) */ - u16 imt; - /* Interrupt Clear timer (2us resolution) */ - u16 ict; - - unsigned long flags; - /* structs defined in atl2_hw.h */ - u32 bd_number; /* board number */ - bool pci_using_64; - bool have_msi; - struct atl2_hw hw; - - u32 usr_cmd; - /* FIXME */ - /* u32 regs_buff[ATL2_REGS_LEN]; */ - u32 pci_state[16]; - - u32 *config_space; -}; - -enum atl2_state_t { - __ATL2_TESTING, - __ATL2_RESETTING, - __ATL2_DOWN -}; - -#endif /* _ATL2_H_ */ diff --git a/drivers/net/atlx/atlx.c b/drivers/net/atlx/atlx.c deleted file mode 100644 index aabcf4b5745a..000000000000 --- a/drivers/net/atlx/atlx.c +++ /dev/null @@ -1,269 +0,0 @@ -/* atlx.c -- common functions for Attansic network drivers - * - * Copyright(c) 2005 - 2006 Attansic Corporation. All rights reserved. - * Copyright(c) 2006 - 2007 Chris Snook - * Copyright(c) 2006 - 2008 Jay Cliburn - * Copyright(c) 2007 Atheros Corporation. All rights reserved. - * - * Derived from Intel e1000 driver - * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., 59 - * Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -/* Including this file like a header is a temporary hack, I promise. -- CHS */ -#ifndef ATLX_C -#define ATLX_C - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include "atlx.h" - -static s32 atlx_read_phy_reg(struct atl1_hw *hw, u16 reg_addr, u16 *phy_data); -static u32 atlx_hash_mc_addr(struct atl1_hw *hw, u8 *mc_addr); -static void atlx_set_mac_addr(struct atl1_hw *hw); - -static struct atlx_spi_flash_dev flash_table[] = { -/* MFR_NAME WRSR READ PRGM WREN WRDI RDSR RDID SEC_ERS CHIP_ERS */ - {"Atmel", 0x00, 0x03, 0x02, 0x06, 0x04, 0x05, 0x15, 0x52, 0x62}, - {"SST", 0x01, 0x03, 0x02, 0x06, 0x04, 0x05, 0x90, 0x20, 0x60}, - {"ST", 0x01, 0x03, 0x02, 0x06, 0x04, 0x05, 0xAB, 0xD8, 0xC7}, -}; - -static int atlx_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) -{ - switch (cmd) { - case SIOCGMIIPHY: - case SIOCGMIIREG: - case SIOCSMIIREG: - return atlx_mii_ioctl(netdev, ifr, cmd); - default: - return -EOPNOTSUPP; - } -} - -/* - * atlx_set_mac - Change the Ethernet Address of the NIC - * @netdev: network interface device structure - * @p: pointer to an address structure - * - * Returns 0 on success, negative on failure - */ -static int atlx_set_mac(struct net_device *netdev, void *p) -{ - struct atlx_adapter *adapter = netdev_priv(netdev); - struct sockaddr *addr = p; - - if (netif_running(netdev)) - return -EBUSY; - - if (!is_valid_ether_addr(addr->sa_data)) - return -EADDRNOTAVAIL; - - memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); - memcpy(adapter->hw.mac_addr, addr->sa_data, netdev->addr_len); - - atlx_set_mac_addr(&adapter->hw); - return 0; -} - -static void atlx_check_for_link(struct atlx_adapter *adapter) -{ - struct net_device *netdev = adapter->netdev; - u16 phy_data = 0; - - spin_lock(&adapter->lock); - adapter->phy_timer_pending = false; - atlx_read_phy_reg(&adapter->hw, MII_BMSR, &phy_data); - atlx_read_phy_reg(&adapter->hw, MII_BMSR, &phy_data); - spin_unlock(&adapter->lock); - - /* notify upper layer link down ASAP */ - if (!(phy_data & BMSR_LSTATUS)) { - /* Link Down */ - if (netif_carrier_ok(netdev)) { - /* old link state: Up */ - dev_info(&adapter->pdev->dev, "%s link is down\n", - netdev->name); - adapter->link_speed = SPEED_0; - netif_carrier_off(netdev); - } - } - schedule_work(&adapter->link_chg_task); -} - -/* - * atlx_set_multi - Multicast and Promiscuous mode set - * @netdev: network interface device structure - * - * The set_multi entry point is called whenever the multicast address - * list or the network interface flags are updated. This routine is - * responsible for configuring the hardware for proper multicast, - * promiscuous mode, and all-multi behavior. - */ -static void atlx_set_multi(struct net_device *netdev) -{ - struct atlx_adapter *adapter = netdev_priv(netdev); - struct atlx_hw *hw = &adapter->hw; - struct netdev_hw_addr *ha; - u32 rctl; - u32 hash_value; - - /* Check for Promiscuous and All Multicast modes */ - rctl = ioread32(hw->hw_addr + REG_MAC_CTRL); - if (netdev->flags & IFF_PROMISC) - rctl |= MAC_CTRL_PROMIS_EN; - else if (netdev->flags & IFF_ALLMULTI) { - rctl |= MAC_CTRL_MC_ALL_EN; - rctl &= ~MAC_CTRL_PROMIS_EN; - } else - rctl &= ~(MAC_CTRL_PROMIS_EN | MAC_CTRL_MC_ALL_EN); - - iowrite32(rctl, hw->hw_addr + REG_MAC_CTRL); - - /* clear the old settings from the multicast hash table */ - iowrite32(0, hw->hw_addr + REG_RX_HASH_TABLE); - iowrite32(0, (hw->hw_addr + REG_RX_HASH_TABLE) + (1 << 2)); - - /* compute mc addresses' hash value ,and put it into hash table */ - netdev_for_each_mc_addr(ha, netdev) { - hash_value = atlx_hash_mc_addr(hw, ha->addr); - atlx_hash_set(hw, hash_value); - } -} - -/* - * atlx_irq_enable - Enable default interrupt generation settings - * @adapter: board private structure - */ -static void atlx_irq_enable(struct atlx_adapter *adapter) -{ - iowrite32(IMR_NORMAL_MASK, adapter->hw.hw_addr + REG_IMR); - ioread32(adapter->hw.hw_addr + REG_IMR); -} - -/* - * atlx_irq_disable - Mask off interrupt generation on the NIC - * @adapter: board private structure - */ -static void atlx_irq_disable(struct atlx_adapter *adapter) -{ - iowrite32(0, adapter->hw.hw_addr + REG_IMR); - ioread32(adapter->hw.hw_addr + REG_IMR); - synchronize_irq(adapter->pdev->irq); -} - -static void atlx_clear_phy_int(struct atlx_adapter *adapter) -{ - u16 phy_data; - unsigned long flags; - - spin_lock_irqsave(&adapter->lock, flags); - atlx_read_phy_reg(&adapter->hw, 19, &phy_data); - spin_unlock_irqrestore(&adapter->lock, flags); -} - -/* - * atlx_tx_timeout - Respond to a Tx Hang - * @netdev: network interface device structure - */ -static void atlx_tx_timeout(struct net_device *netdev) -{ - struct atlx_adapter *adapter = netdev_priv(netdev); - /* Do the reset outside of interrupt context */ - schedule_work(&adapter->tx_timeout_task); -} - -/* - * atlx_link_chg_task - deal with link change event Out of interrupt context - */ -static void atlx_link_chg_task(struct work_struct *work) -{ - struct atlx_adapter *adapter; - unsigned long flags; - - adapter = container_of(work, struct atlx_adapter, link_chg_task); - - spin_lock_irqsave(&adapter->lock, flags); - atlx_check_link(adapter); - spin_unlock_irqrestore(&adapter->lock, flags); -} - -static void __atlx_vlan_mode(u32 features, u32 *ctrl) -{ - if (features & NETIF_F_HW_VLAN_RX) { - /* enable VLAN tag insert/strip */ - *ctrl |= MAC_CTRL_RMV_VLAN; - } else { - /* disable VLAN tag insert/strip */ - *ctrl &= ~MAC_CTRL_RMV_VLAN; - } -} - -static void atlx_vlan_mode(struct net_device *netdev, u32 features) -{ - struct atlx_adapter *adapter = netdev_priv(netdev); - unsigned long flags; - u32 ctrl; - - spin_lock_irqsave(&adapter->lock, flags); - /* atlx_irq_disable(adapter); FIXME: confirm/remove */ - ctrl = ioread32(adapter->hw.hw_addr + REG_MAC_CTRL); - __atlx_vlan_mode(features, &ctrl); - iowrite32(ctrl, adapter->hw.hw_addr + REG_MAC_CTRL); - /* atlx_irq_enable(adapter); FIXME */ - spin_unlock_irqrestore(&adapter->lock, flags); -} - -static void atlx_restore_vlan(struct atlx_adapter *adapter) -{ - atlx_vlan_mode(adapter->netdev, adapter->netdev->features); -} - -static u32 atlx_fix_features(struct net_device *netdev, u32 features) -{ - /* - * Since there is no support for separate rx/tx vlan accel - * enable/disable make sure tx flag is always in same state as rx. - */ - if (features & NETIF_F_HW_VLAN_RX) - features |= NETIF_F_HW_VLAN_TX; - else - features &= ~NETIF_F_HW_VLAN_TX; - - return features; -} - -static int atlx_set_features(struct net_device *netdev, u32 features) -{ - u32 changed = netdev->features ^ features; - - if (changed & NETIF_F_HW_VLAN_RX) - atlx_vlan_mode(netdev, features); - - return 0; -} - -#endif /* ATLX_C */ diff --git a/drivers/net/atlx/atlx.h b/drivers/net/atlx/atlx.h deleted file mode 100644 index 14054b75aa62..000000000000 --- a/drivers/net/atlx/atlx.h +++ /dev/null @@ -1,503 +0,0 @@ -/* atlx_hw.h -- common hardware definitions for Attansic network drivers - * - * Copyright(c) 2005 - 2006 Attansic Corporation. All rights reserved. - * Copyright(c) 2006 - 2007 Chris Snook - * Copyright(c) 2006 - 2008 Jay Cliburn - * Copyright(c) 2007 Atheros Corporation. All rights reserved. - * - * Derived from Intel e1000 driver - * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., 59 - * Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -#ifndef ATLX_H -#define ATLX_H - -#include -#include - -#define ATLX_ERR_PHY 2 -#define ATLX_ERR_PHY_SPEED 7 -#define ATLX_ERR_PHY_RES 8 - -#define SPEED_0 0xffff -#define SPEED_10 10 -#define SPEED_100 100 -#define SPEED_1000 1000 -#define HALF_DUPLEX 1 -#define FULL_DUPLEX 2 - -#define MEDIA_TYPE_AUTO_SENSOR 0 - -/* register definitions */ -#define REG_PM_CTRLSTAT 0x44 - -#define REG_PCIE_CAP_LIST 0x58 - -#define REG_VPD_CAP 0x6C -#define VPD_CAP_ID_MASK 0xFF -#define VPD_CAP_ID_SHIFT 0 -#define VPD_CAP_NEXT_PTR_MASK 0xFF -#define VPD_CAP_NEXT_PTR_SHIFT 8 -#define VPD_CAP_VPD_ADDR_MASK 0x7FFF -#define VPD_CAP_VPD_ADDR_SHIFT 16 -#define VPD_CAP_VPD_FLAG 0x80000000 - -#define REG_VPD_DATA 0x70 - -#define REG_SPI_FLASH_CTRL 0x200 -#define SPI_FLASH_CTRL_STS_NON_RDY 0x1 -#define SPI_FLASH_CTRL_STS_WEN 0x2 -#define SPI_FLASH_CTRL_STS_WPEN 0x80 -#define SPI_FLASH_CTRL_DEV_STS_MASK 0xFF -#define SPI_FLASH_CTRL_DEV_STS_SHIFT 0 -#define SPI_FLASH_CTRL_INS_MASK 0x7 -#define SPI_FLASH_CTRL_INS_SHIFT 8 -#define SPI_FLASH_CTRL_START 0x800 -#define SPI_FLASH_CTRL_EN_VPD 0x2000 -#define SPI_FLASH_CTRL_LDSTART 0x8000 -#define SPI_FLASH_CTRL_CS_HI_MASK 0x3 -#define SPI_FLASH_CTRL_CS_HI_SHIFT 16 -#define SPI_FLASH_CTRL_CS_HOLD_MASK 0x3 -#define SPI_FLASH_CTRL_CS_HOLD_SHIFT 18 -#define SPI_FLASH_CTRL_CLK_LO_MASK 0x3 -#define SPI_FLASH_CTRL_CLK_LO_SHIFT 20 -#define SPI_FLASH_CTRL_CLK_HI_MASK 0x3 -#define SPI_FLASH_CTRL_CLK_HI_SHIFT 22 -#define SPI_FLASH_CTRL_CS_SETUP_MASK 0x3 -#define SPI_FLASH_CTRL_CS_SETUP_SHIFT 24 -#define SPI_FLASH_CTRL_EROM_PGSZ_MASK 0x3 -#define SPI_FLASH_CTRL_EROM_PGSZ_SHIFT 26 -#define SPI_FLASH_CTRL_WAIT_READY 0x10000000 - -#define REG_SPI_ADDR 0x204 - -#define REG_SPI_DATA 0x208 - -#define REG_SPI_FLASH_CONFIG 0x20C -#define SPI_FLASH_CONFIG_LD_ADDR_MASK 0xFFFFFF -#define SPI_FLASH_CONFIG_LD_ADDR_SHIFT 0 -#define SPI_FLASH_CONFIG_VPD_ADDR_MASK 0x3 -#define SPI_FLASH_CONFIG_VPD_ADDR_SHIFT 24 -#define SPI_FLASH_CONFIG_LD_EXIST 0x4000000 - -#define REG_SPI_FLASH_OP_PROGRAM 0x210 -#define REG_SPI_FLASH_OP_SC_ERASE 0x211 -#define REG_SPI_FLASH_OP_CHIP_ERASE 0x212 -#define REG_SPI_FLASH_OP_RDID 0x213 -#define REG_SPI_FLASH_OP_WREN 0x214 -#define REG_SPI_FLASH_OP_RDSR 0x215 -#define REG_SPI_FLASH_OP_WRSR 0x216 -#define REG_SPI_FLASH_OP_READ 0x217 - -#define REG_TWSI_CTRL 0x218 -#define TWSI_CTRL_LD_OFFSET_MASK 0xFF -#define TWSI_CTRL_LD_OFFSET_SHIFT 0 -#define TWSI_CTRL_LD_SLV_ADDR_MASK 0x7 -#define TWSI_CTRL_LD_SLV_ADDR_SHIFT 8 -#define TWSI_CTRL_SW_LDSTART 0x800 -#define TWSI_CTRL_HW_LDSTART 0x1000 -#define TWSI_CTRL_SMB_SLV_ADDR_MASK 0x7F -#define TWSI_CTRL_SMB_SLV_ADDR_SHIFT 15 -#define TWSI_CTRL_LD_EXIST 0x400000 -#define TWSI_CTRL_READ_FREQ_SEL_MASK 0x3 -#define TWSI_CTRL_READ_FREQ_SEL_SHIFT 23 -#define TWSI_CTRL_FREQ_SEL_100K 0 -#define TWSI_CTRL_FREQ_SEL_200K 1 -#define TWSI_CTRL_FREQ_SEL_300K 2 -#define TWSI_CTRL_FREQ_SEL_400K 3 -#define TWSI_CTRL_SMB_SLV_ADDR /* FIXME: define or remove */ -#define TWSI_CTRL_WRITE_FREQ_SEL_MASK 0x3 -#define TWSI_CTRL_WRITE_FREQ_SEL_SHIFT 24 - -#define REG_PCIE_DEV_MISC_CTRL 0x21C -#define PCIE_DEV_MISC_CTRL_EXT_PIPE 0x2 -#define PCIE_DEV_MISC_CTRL_RETRY_BUFDIS 0x1 -#define PCIE_DEV_MISC_CTRL_SPIROM_EXIST 0x4 -#define PCIE_DEV_MISC_CTRL_SERDES_ENDIAN 0x8 -#define PCIE_DEV_MISC_CTRL_SERDES_SEL_DIN 0x10 - -#define REG_PCIE_PHYMISC 0x1000 -#define PCIE_PHYMISC_FORCE_RCV_DET 0x4 - -#define REG_PCIE_DLL_TX_CTRL1 0x1104 -#define PCIE_DLL_TX_CTRL1_SEL_NOR_CLK 0x400 -#define PCIE_DLL_TX_CTRL1_DEF 0x568 - -#define REG_LTSSM_TEST_MODE 0x12FC -#define LTSSM_TEST_MODE_DEF 0x6500 - -/* Master Control Register */ -#define REG_MASTER_CTRL 0x1400 -#define MASTER_CTRL_SOFT_RST 0x1 -#define MASTER_CTRL_MTIMER_EN 0x2 -#define MASTER_CTRL_ITIMER_EN 0x4 -#define MASTER_CTRL_MANUAL_INT 0x8 -#define MASTER_CTRL_REV_NUM_SHIFT 16 -#define MASTER_CTRL_REV_NUM_MASK 0xFF -#define MASTER_CTRL_DEV_ID_SHIFT 24 -#define MASTER_CTRL_DEV_ID_MASK 0xFF - -/* Timer Initial Value Register */ -#define REG_MANUAL_TIMER_INIT 0x1404 - -/* IRQ Moderator Timer Initial Value Register */ -#define REG_IRQ_MODU_TIMER_INIT 0x1408 - -#define REG_PHY_ENABLE 0x140C - -/* IRQ Anti-Lost Timer Initial Value Register */ -#define REG_CMBDISDMA_TIMER 0x140E - -/* Block IDLE Status Register */ -#define REG_IDLE_STATUS 0x1410 - -/* MDIO Control Register */ -#define REG_MDIO_CTRL 0x1414 -#define MDIO_DATA_MASK 0xFFFF -#define MDIO_DATA_SHIFT 0 -#define MDIO_REG_ADDR_MASK 0x1F -#define MDIO_REG_ADDR_SHIFT 16 -#define MDIO_RW 0x200000 -#define MDIO_SUP_PREAMBLE 0x400000 -#define MDIO_START 0x800000 -#define MDIO_CLK_SEL_SHIFT 24 -#define MDIO_CLK_25_4 0 -#define MDIO_CLK_25_6 2 -#define MDIO_CLK_25_8 3 -#define MDIO_CLK_25_10 4 -#define MDIO_CLK_25_14 5 -#define MDIO_CLK_25_20 6 -#define MDIO_CLK_25_28 7 -#define MDIO_BUSY 0x8000000 - -/* MII PHY Status Register */ -#define REG_PHY_STATUS 0x1418 - -/* BIST Control and Status Register0 (for the Packet Memory) */ -#define REG_BIST0_CTRL 0x141C -#define BIST0_NOW 0x1 -#define BIST0_SRAM_FAIL 0x2 -#define BIST0_FUSE_FLAG 0x4 -#define REG_BIST1_CTRL 0x1420 -#define BIST1_NOW 0x1 -#define BIST1_SRAM_FAIL 0x2 -#define BIST1_FUSE_FLAG 0x4 - -/* SerDes Lock Detect Control and Status Register */ -#define REG_SERDES_LOCK 0x1424 -#define SERDES_LOCK_DETECT 1 -#define SERDES_LOCK_DETECT_EN 2 - -/* MAC Control Register */ -#define REG_MAC_CTRL 0x1480 -#define MAC_CTRL_TX_EN 1 -#define MAC_CTRL_RX_EN 2 -#define MAC_CTRL_TX_FLOW 4 -#define MAC_CTRL_RX_FLOW 8 -#define MAC_CTRL_LOOPBACK 0x10 -#define MAC_CTRL_DUPLX 0x20 -#define MAC_CTRL_ADD_CRC 0x40 -#define MAC_CTRL_PAD 0x80 -#define MAC_CTRL_LENCHK 0x100 -#define MAC_CTRL_HUGE_EN 0x200 -#define MAC_CTRL_PRMLEN_SHIFT 10 -#define MAC_CTRL_PRMLEN_MASK 0xF -#define MAC_CTRL_RMV_VLAN 0x4000 -#define MAC_CTRL_PROMIS_EN 0x8000 -#define MAC_CTRL_MC_ALL_EN 0x2000000 -#define MAC_CTRL_BC_EN 0x4000000 - -/* MAC IPG/IFG Control Register */ -#define REG_MAC_IPG_IFG 0x1484 -#define MAC_IPG_IFG_IPGT_SHIFT 0 -#define MAC_IPG_IFG_IPGT_MASK 0x7F -#define MAC_IPG_IFG_MIFG_SHIFT 8 -#define MAC_IPG_IFG_MIFG_MASK 0xFF -#define MAC_IPG_IFG_IPGR1_SHIFT 16 -#define MAC_IPG_IFG_IPGR1_MASK 0x7F -#define MAC_IPG_IFG_IPGR2_SHIFT 24 -#define MAC_IPG_IFG_IPGR2_MASK 0x7F - -/* MAC STATION ADDRESS */ -#define REG_MAC_STA_ADDR 0x1488 - -/* Hash table for multicast address */ -#define REG_RX_HASH_TABLE 0x1490 - -/* MAC Half-Duplex Control Register */ -#define REG_MAC_HALF_DUPLX_CTRL 0x1498 -#define MAC_HALF_DUPLX_CTRL_LCOL_SHIFT 0 -#define MAC_HALF_DUPLX_CTRL_LCOL_MASK 0x3FF -#define MAC_HALF_DUPLX_CTRL_RETRY_SHIFT 12 -#define MAC_HALF_DUPLX_CTRL_RETRY_MASK 0xF -#define MAC_HALF_DUPLX_CTRL_EXC_DEF_EN 0x10000 -#define MAC_HALF_DUPLX_CTRL_NO_BACK_C 0x20000 -#define MAC_HALF_DUPLX_CTRL_NO_BACK_P 0x40000 -#define MAC_HALF_DUPLX_CTRL_ABEBE 0x80000 -#define MAC_HALF_DUPLX_CTRL_ABEBT_SHIFT 20 -#define MAC_HALF_DUPLX_CTRL_ABEBT_MASK 0xF -#define MAC_HALF_DUPLX_CTRL_JAMIPG_SHIFT 24 -#define MAC_HALF_DUPLX_CTRL_JAMIPG_MASK 0xF - -/* Maximum Frame Length Control Register */ -#define REG_MTU 0x149C - -/* Wake-On-Lan control register */ -#define REG_WOL_CTRL 0x14A0 -#define WOL_PATTERN_EN 0x1 -#define WOL_PATTERN_PME_EN 0x2 -#define WOL_MAGIC_EN 0x4 -#define WOL_MAGIC_PME_EN 0x8 -#define WOL_LINK_CHG_EN 0x10 -#define WOL_LINK_CHG_PME_EN 0x20 -#define WOL_PATTERN_ST 0x100 -#define WOL_MAGIC_ST 0x200 -#define WOL_LINKCHG_ST 0x400 -#define WOL_PT0_EN 0x10000 -#define WOL_PT1_EN 0x20000 -#define WOL_PT2_EN 0x40000 -#define WOL_PT3_EN 0x80000 -#define WOL_PT4_EN 0x100000 -#define WOL_PT0_MATCH 0x1000000 -#define WOL_PT1_MATCH 0x2000000 -#define WOL_PT2_MATCH 0x4000000 -#define WOL_PT3_MATCH 0x8000000 -#define WOL_PT4_MATCH 0x10000000 - -/* Internal SRAM Partition Register, high 32 bits */ -#define REG_SRAM_RFD_ADDR 0x1500 - -/* Descriptor Control register, high 32 bits */ -#define REG_DESC_BASE_ADDR_HI 0x1540 - -/* Interrupt Status Register */ -#define REG_ISR 0x1600 -#define ISR_UR_DETECTED 0x1000000 -#define ISR_FERR_DETECTED 0x2000000 -#define ISR_NFERR_DETECTED 0x4000000 -#define ISR_CERR_DETECTED 0x8000000 -#define ISR_PHY_LINKDOWN 0x10000000 -#define ISR_DIS_INT 0x80000000 - -/* Interrupt Mask Register */ -#define REG_IMR 0x1604 - -#define REG_RFD_RRD_IDX 0x1800 -#define REG_TPD_IDX 0x1804 - -/* MII definitions */ - -/* PHY Common Register */ -#define MII_ATLX_CR 0x09 -#define MII_ATLX_SR 0x0A -#define MII_ATLX_ESR 0x0F -#define MII_ATLX_PSCR 0x10 -#define MII_ATLX_PSSR 0x11 - -/* PHY Control Register */ -#define MII_CR_SPEED_SELECT_MSB 0x0040 /* bits 6,13: 10=1000, 01=100, - * 00=10 - */ -#define MII_CR_COLL_TEST_ENABLE 0x0080 /* Collision test enable */ -#define MII_CR_FULL_DUPLEX 0x0100 /* FDX =1, half duplex =0 */ -#define MII_CR_RESTART_AUTO_NEG 0x0200 /* Restart auto negotiation */ -#define MII_CR_ISOLATE 0x0400 /* Isolate PHY from MII */ -#define MII_CR_POWER_DOWN 0x0800 /* Power down */ -#define MII_CR_AUTO_NEG_EN 0x1000 /* Auto Neg Enable */ -#define MII_CR_SPEED_SELECT_LSB 0x2000 /* bits 6,13: 10=1000, 01=100, - * 00=10 - */ -#define MII_CR_LOOPBACK 0x4000 /* 0 = normal, 1 = loopback */ -#define MII_CR_RESET 0x8000 /* 0 = normal, 1 = PHY reset */ -#define MII_CR_SPEED_MASK 0x2040 -#define MII_CR_SPEED_1000 0x0040 -#define MII_CR_SPEED_100 0x2000 -#define MII_CR_SPEED_10 0x0000 - -/* PHY Status Register */ -#define MII_SR_EXTENDED_CAPS 0x0001 /* Ext register capabilities */ -#define MII_SR_JABBER_DETECT 0x0002 /* Jabber Detected */ -#define MII_SR_LINK_STATUS 0x0004 /* Link Status 1 = link */ -#define MII_SR_AUTONEG_CAPS 0x0008 /* Auto Neg Capable */ -#define MII_SR_REMOTE_FAULT 0x0010 /* Remote Fault Detect */ -#define MII_SR_AUTONEG_COMPLETE 0x0020 /* Auto Neg Complete */ -#define MII_SR_PREAMBLE_SUPPRESS 0x0040 /* Preamble may be suppressed */ -#define MII_SR_EXTENDED_STATUS 0x0100 /* Ext stat info in Reg 0x0F */ -#define MII_SR_100T2_HD_CAPS 0x0200 /* 100T2 Half Duplex Capable */ -#define MII_SR_100T2_FD_CAPS 0x0400 /* 100T2 Full Duplex Capable */ -#define MII_SR_10T_HD_CAPS 0x0800 /* 10T Half Duplex Capable */ -#define MII_SR_10T_FD_CAPS 0x1000 /* 10T Full Duplex Capable */ -#define MII_SR_100X_HD_CAPS 0x2000 /* 100X Half Duplex Capable */ -#define MII_SR_100X_FD_CAPS 0x4000 /* 100X Full Duplex Capable */ -#define MII_SR_100T4_CAPS 0x8000 /* 100T4 Capable */ - -/* Link partner ability register */ -#define MII_LPA_SLCT 0x001f /* Same as advertise selector */ -#define MII_LPA_10HALF 0x0020 /* Can do 10mbps half-duplex */ -#define MII_LPA_10FULL 0x0040 /* Can do 10mbps full-duplex */ -#define MII_LPA_100HALF 0x0080 /* Can do 100mbps half-duplex */ -#define MII_LPA_100FULL 0x0100 /* Can do 100mbps full-duplex */ -#define MII_LPA_100BASE4 0x0200 /* 100BASE-T4 */ -#define MII_LPA_PAUSE 0x0400 /* PAUSE */ -#define MII_LPA_ASYPAUSE 0x0800 /* Asymmetrical PAUSE */ -#define MII_LPA_RFAULT 0x2000 /* Link partner faulted */ -#define MII_LPA_LPACK 0x4000 /* Link partner acked us */ -#define MII_LPA_NPAGE 0x8000 /* Next page bit */ - -/* Autoneg Advertisement Register */ -#define MII_AR_SELECTOR_FIELD 0x0001 /* IEEE 802.3 CSMA/CD */ -#define MII_AR_10T_HD_CAPS 0x0020 /* 10T Half Duplex Capable */ -#define MII_AR_10T_FD_CAPS 0x0040 /* 10T Full Duplex Capable */ -#define MII_AR_100TX_HD_CAPS 0x0080 /* 100TX Half Duplex Capable */ -#define MII_AR_100TX_FD_CAPS 0x0100 /* 100TX Full Duplex Capable */ -#define MII_AR_100T4_CAPS 0x0200 /* 100T4 Capable */ -#define MII_AR_PAUSE 0x0400 /* Pause operation desired */ -#define MII_AR_ASM_DIR 0x0800 /* Asymmetric Pause Dir bit */ -#define MII_AR_REMOTE_FAULT 0x2000 /* Remote Fault detected */ -#define MII_AR_NEXT_PAGE 0x8000 /* Next Page ability support */ -#define MII_AR_SPEED_MASK 0x01E0 -#define MII_AR_DEFAULT_CAP_MASK 0x0DE0 - -/* 1000BASE-T Control Register */ -#define MII_ATLX_CR_1000T_HD_CAPS 0x0100 /* Adv 1000T HD cap */ -#define MII_ATLX_CR_1000T_FD_CAPS 0x0200 /* Adv 1000T FD cap */ -#define MII_ATLX_CR_1000T_REPEATER_DTE 0x0400 /* 1=Repeater/switch device, - * 0=DTE device */ -#define MII_ATLX_CR_1000T_MS_VALUE 0x0800 /* 1=Config PHY as Master, - * 0=Configure PHY as Slave */ -#define MII_ATLX_CR_1000T_MS_ENABLE 0x1000 /* 1=Man Master/Slave config, - * 0=Auto Master/Slave config - */ -#define MII_ATLX_CR_1000T_TEST_MODE_NORMAL 0x0000 /* Normal Operation */ -#define MII_ATLX_CR_1000T_TEST_MODE_1 0x2000 /* Transmit Waveform test */ -#define MII_ATLX_CR_1000T_TEST_MODE_2 0x4000 /* Master Xmit Jitter test */ -#define MII_ATLX_CR_1000T_TEST_MODE_3 0x6000 /* Slave Xmit Jitter test */ -#define MII_ATLX_CR_1000T_TEST_MODE_4 0x8000 /* Xmitter Distortion test */ -#define MII_ATLX_CR_1000T_SPEED_MASK 0x0300 -#define MII_ATLX_CR_1000T_DEFAULT_CAP_MASK 0x0300 - -/* 1000BASE-T Status Register */ -#define MII_ATLX_SR_1000T_LP_HD_CAPS 0x0400 /* LP is 1000T HD capable */ -#define MII_ATLX_SR_1000T_LP_FD_CAPS 0x0800 /* LP is 1000T FD capable */ -#define MII_ATLX_SR_1000T_REMOTE_RX_STATUS 0x1000 /* Remote receiver OK */ -#define MII_ATLX_SR_1000T_LOCAL_RX_STATUS 0x2000 /* Local receiver OK */ -#define MII_ATLX_SR_1000T_MS_CONFIG_RES 0x4000 /* 1=Local TX is Master - * 0=Slave - */ -#define MII_ATLX_SR_1000T_MS_CONFIG_FAULT 0x8000 /* Master/Slave config - * fault */ -#define MII_ATLX_SR_1000T_REMOTE_RX_STATUS_SHIFT 12 -#define MII_ATLX_SR_1000T_LOCAL_RX_STATUS_SHIFT 13 - -/* Extended Status Register */ -#define MII_ATLX_ESR_1000T_HD_CAPS 0x1000 /* 1000T HD capable */ -#define MII_ATLX_ESR_1000T_FD_CAPS 0x2000 /* 1000T FD capable */ -#define MII_ATLX_ESR_1000X_HD_CAPS 0x4000 /* 1000X HD capable */ -#define MII_ATLX_ESR_1000X_FD_CAPS 0x8000 /* 1000X FD capable */ - -/* ATLX PHY Specific Control Register */ -#define MII_ATLX_PSCR_JABBER_DISABLE 0x0001 /* 1=Jabber Func disabled */ -#define MII_ATLX_PSCR_POLARITY_REVERSAL 0x0002 /* 1=Polarity Reversal enbld */ -#define MII_ATLX_PSCR_SQE_TEST 0x0004 /* 1=SQE Test enabled */ -#define MII_ATLX_PSCR_MAC_POWERDOWN 0x0008 -#define MII_ATLX_PSCR_CLK125_DISABLE 0x0010 /* 1=CLK125 low - * 0=CLK125 toggling - */ -#define MII_ATLX_PSCR_MDI_MANUAL_MODE 0x0000 /* MDI Crossover Mode bits 6:5, - * Manual MDI configuration - */ -#define MII_ATLX_PSCR_MDIX_MANUAL_MODE 0x0020 /* Manual MDIX configuration */ -#define MII_ATLX_PSCR_AUTO_X_1000T 0x0040 /* 1000BASE-T: Auto crossover - * 100BASE-TX/10BASE-T: MDI - * Mode */ -#define MII_ATLX_PSCR_AUTO_X_MODE 0x0060 /* Auto crossover enabled - * all speeds. - */ -#define MII_ATLX_PSCR_10BT_EXT_DIST_ENABLE 0x0080 /* 1=Enable Extended - * 10BASE-T distance - * (Lower 10BASE-T RX - * Threshold) - * 0=Normal 10BASE-T RX - * Threshold - */ -#define MII_ATLX_PSCR_MII_5BIT_ENABLE 0x0100 /* 1=5-Bit interface in - * 100BASE-TX - * 0=MII interface in - * 100BASE-TX - */ -#define MII_ATLX_PSCR_SCRAMBLER_DISABLE 0x0200 /* 1=Scrambler dsbl */ -#define MII_ATLX_PSCR_FORCE_LINK_GOOD 0x0400 /* 1=Force link good */ -#define MII_ATLX_PSCR_ASSERT_CRS_ON_TX 0x0800 /* 1=Assert CRS on Transmit */ -#define MII_ATLX_PSCR_POLARITY_REVERSAL_SHIFT 1 -#define MII_ATLX_PSCR_AUTO_X_MODE_SHIFT 5 -#define MII_ATLX_PSCR_10BT_EXT_DIST_ENABLE_SHIFT 7 - -/* ATLX PHY Specific Status Register */ -#define MII_ATLX_PSSR_SPD_DPLX_RESOLVED 0x0800 /* 1=Speed & Duplex resolved */ -#define MII_ATLX_PSSR_DPLX 0x2000 /* 1=Duplex 0=Half Duplex */ -#define MII_ATLX_PSSR_SPEED 0xC000 /* Speed, bits 14:15 */ -#define MII_ATLX_PSSR_10MBS 0x0000 /* 00=10Mbs */ -#define MII_ATLX_PSSR_100MBS 0x4000 /* 01=100Mbs */ -#define MII_ATLX_PSSR_1000MBS 0x8000 /* 10=1000Mbs */ - -#define MII_DBG_ADDR 0x1D -#define MII_DBG_DATA 0x1E - -/* PCI Command Register Bit Definitions */ -#define PCI_REG_COMMAND 0x04 /* PCI Command Register */ -#define CMD_IO_SPACE 0x0001 -#define CMD_MEMORY_SPACE 0x0002 -#define CMD_BUS_MASTER 0x0004 - -/* Wake Up Filter Control */ -#define ATLX_WUFC_LNKC 0x00000001 /* Link Status Change Wakeup Enable */ -#define ATLX_WUFC_MAG 0x00000002 /* Magic Packet Wakeup Enable */ -#define ATLX_WUFC_EX 0x00000004 /* Directed Exact Wakeup Enable */ -#define ATLX_WUFC_MC 0x00000008 /* Multicast Wakeup Enable */ -#define ATLX_WUFC_BC 0x00000010 /* Broadcast Wakeup Enable */ - -#define ADVERTISE_10_HALF 0x0001 -#define ADVERTISE_10_FULL 0x0002 -#define ADVERTISE_100_HALF 0x0004 -#define ADVERTISE_100_FULL 0x0008 -#define ADVERTISE_1000_HALF 0x0010 -#define ADVERTISE_1000_FULL 0x0020 -#define AUTONEG_ADVERTISE_10_100_ALL 0x000F /* All 10/100 speeds */ -#define AUTONEG_ADVERTISE_10_ALL 0x0003 /* 10Mbps Full & Half speeds */ - -#define PHY_AUTO_NEG_TIME 45 /* 4.5 Seconds */ -#define PHY_FORCE_TIME 20 /* 2.0 Seconds */ - -/* For checksumming, the sum of all words in the EEPROM should equal 0xBABA */ -#define EEPROM_SUM 0xBABA -#define NODE_ADDRESS_SIZE 6 - -struct atlx_spi_flash_dev { - const char *manu_name; /* manufacturer id */ - /* op-code */ - u8 cmd_wrsr; - u8 cmd_read; - u8 cmd_program; - u8 cmd_wren; - u8 cmd_wrdi; - u8 cmd_rdsr; - u8 cmd_rdid; - u8 cmd_sector_erase; - u8 cmd_chip_erase; -}; - -#endif /* ATLX_H */ diff --git a/drivers/net/ethernet/Kconfig b/drivers/net/ethernet/Kconfig index 8007e20972e4..9410f20241f6 100644 --- a/drivers/net/ethernet/Kconfig +++ b/drivers/net/ethernet/Kconfig @@ -14,6 +14,7 @@ if ETHERNET source "drivers/net/ethernet/3com/Kconfig" source "drivers/net/ethernet/amd/Kconfig" source "drivers/net/ethernet/apple/Kconfig" +source "drivers/net/ethernet/atheros/Kconfig" source "drivers/net/ethernet/broadcom/Kconfig" source "drivers/net/ethernet/brocade/Kconfig" source "drivers/net/ethernet/chelsio/Kconfig" diff --git a/drivers/net/ethernet/Makefile b/drivers/net/ethernet/Makefile index 22ef3808f439..5d89fd9d672b 100644 --- a/drivers/net/ethernet/Makefile +++ b/drivers/net/ethernet/Makefile @@ -6,6 +6,7 @@ obj-$(CONFIG_NET_VENDOR_3COM) += 3com/ obj-$(CONFIG_NET_VENDOR_8390) += 8390/ obj-$(CONFIG_NET_VENDOR_AMD) += amd/ obj-$(CONFIG_NET_VENDOR_APPLE) += apple/ +obj-$(CONFIG_NET_VENDOR_ATHEROS) += atheros/ obj-$(CONFIG_NET_VENDOR_BROADCOM) += broadcom/ obj-$(CONFIG_NET_VENDOR_BROCADE) += brocade/ obj-$(CONFIG_NET_VENDOR_CHELSIO) += chelsio/ diff --git a/drivers/net/ethernet/atheros/Kconfig b/drivers/net/ethernet/atheros/Kconfig new file mode 100644 index 000000000000..966c6c7ea09c --- /dev/null +++ b/drivers/net/ethernet/atheros/Kconfig @@ -0,0 +1,65 @@ +# +# Atheros device configuration +# + +config NET_VENDOR_ATHEROS + bool "Atheros devices" + depends on PCI + ---help--- + If you have a network (Ethernet) card belonging to this class, say Y + and read the Ethernet-HOWTO, available from + . + + Note that the answer to this question doesn't directly affect the + kernel: saying N will just cause the configurator to skip all + the questions about Atheros devices. If you say Y, you will be asked + for your specific card in the following questions. + +if NET_VENDOR_ATHEROS + +config ATL2 + tristate "Atheros L2 Fast Ethernet support" + depends on PCI + select CRC32 + select MII + ---help--- + This driver supports the Atheros L2 fast ethernet adapter. + + To compile this driver as a module, choose M here. The module + will be called atl2. + +config ATL1 + tristate "Atheros/Attansic L1 Gigabit Ethernet support" + depends on PCI + select CRC32 + select MII + ---help--- + This driver supports the Atheros/Attansic L1 gigabit ethernet + adapter. + + To compile this driver as a module, choose M here. The module + will be called atl1. + +config ATL1E + tristate "Atheros L1E Gigabit Ethernet support (EXPERIMENTAL)" + depends on PCI && EXPERIMENTAL + select CRC32 + select MII + ---help--- + This driver supports the Atheros L1E gigabit ethernet adapter. + + To compile this driver as a module, choose M here. The module + will be called atl1e. + +config ATL1C + tristate "Atheros L1C Gigabit Ethernet support (EXPERIMENTAL)" + depends on PCI && EXPERIMENTAL + select CRC32 + select MII + ---help--- + This driver supports the Atheros L1C gigabit ethernet adapter. + + To compile this driver as a module, choose M here. The module + will be called atl1c. + +endif # NET_VENDOR_ATHEROS diff --git a/drivers/net/ethernet/atheros/Makefile b/drivers/net/ethernet/atheros/Makefile new file mode 100644 index 000000000000..e7e76fb576ff --- /dev/null +++ b/drivers/net/ethernet/atheros/Makefile @@ -0,0 +1,8 @@ +# +# Makefile for the Atheros network device drivers. +# + +obj-$(CONFIG_ATL1) += atlx/ +obj-$(CONFIG_ATL2) += atlx/ +obj-$(CONFIG_ATL1E) += atl1e/ +obj-$(CONFIG_ATL1C) += atl1c/ diff --git a/drivers/net/ethernet/atheros/atl1c/Makefile b/drivers/net/ethernet/atheros/atl1c/Makefile new file mode 100644 index 000000000000..c37d966952ee --- /dev/null +++ b/drivers/net/ethernet/atheros/atl1c/Makefile @@ -0,0 +1,2 @@ +obj-$(CONFIG_ATL1C) += atl1c.o +atl1c-objs := atl1c_main.o atl1c_hw.o atl1c_ethtool.o diff --git a/drivers/net/ethernet/atheros/atl1c/atl1c.h b/drivers/net/ethernet/atheros/atl1c/atl1c.h new file mode 100644 index 000000000000..ca70e16b6e2c --- /dev/null +++ b/drivers/net/ethernet/atheros/atl1c/atl1c.h @@ -0,0 +1,636 @@ +/* + * Copyright(c) 2008 - 2009 Atheros Corporation. All rights reserved. + * + * Derived from Intel e1000 driver + * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., 59 + * Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#ifndef _ATL1C_H_ +#define _ATL1C_H_ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "atl1c_hw.h" + +/* Wake Up Filter Control */ +#define AT_WUFC_LNKC 0x00000001 /* Link Status Change Wakeup Enable */ +#define AT_WUFC_MAG 0x00000002 /* Magic Packet Wakeup Enable */ +#define AT_WUFC_EX 0x00000004 /* Directed Exact Wakeup Enable */ +#define AT_WUFC_MC 0x00000008 /* Multicast Wakeup Enable */ +#define AT_WUFC_BC 0x00000010 /* Broadcast Wakeup Enable */ + +#define AT_VLAN_TO_TAG(_vlan, _tag) \ + _tag = ((((_vlan) >> 8) & 0xFF) |\ + (((_vlan) & 0xFF) << 8)) + +#define AT_TAG_TO_VLAN(_tag, _vlan) \ + _vlan = ((((_tag) >> 8) & 0xFF) |\ + (((_tag) & 0xFF) << 8)) + +#define SPEED_0 0xffff +#define HALF_DUPLEX 1 +#define FULL_DUPLEX 2 + +#define AT_RX_BUF_SIZE (ETH_FRAME_LEN + VLAN_HLEN + ETH_FCS_LEN) +#define MAX_JUMBO_FRAME_SIZE (6*1024) +#define MAX_TSO_FRAME_SIZE (7*1024) +#define MAX_TX_OFFLOAD_THRESH (9*1024) + +#define AT_MAX_RECEIVE_QUEUE 4 +#define AT_DEF_RECEIVE_QUEUE 1 +#define AT_MAX_TRANSMIT_QUEUE 2 + +#define AT_DMA_HI_ADDR_MASK 0xffffffff00000000ULL +#define AT_DMA_LO_ADDR_MASK 0x00000000ffffffffULL + +#define AT_TX_WATCHDOG (5 * HZ) +#define AT_MAX_INT_WORK 5 +#define AT_TWSI_EEPROM_TIMEOUT 100 +#define AT_HW_MAX_IDLE_DELAY 10 +#define AT_SUSPEND_LINK_TIMEOUT 100 + +#define AT_ASPM_L0S_TIMER 6 +#define AT_ASPM_L1_TIMER 12 +#define AT_LCKDET_TIMER 12 + +#define ATL1C_PCIE_L0S_L1_DISABLE 0x01 +#define ATL1C_PCIE_PHY_RESET 0x02 + +#define ATL1C_ASPM_L0s_ENABLE 0x0001 +#define ATL1C_ASPM_L1_ENABLE 0x0002 + +#define AT_REGS_LEN (75 * sizeof(u32)) +#define AT_EEPROM_LEN 512 + +#define ATL1C_GET_DESC(R, i, type) (&(((type *)((R)->desc))[i])) +#define ATL1C_RFD_DESC(R, i) ATL1C_GET_DESC(R, i, struct atl1c_rx_free_desc) +#define ATL1C_TPD_DESC(R, i) ATL1C_GET_DESC(R, i, struct atl1c_tpd_desc) +#define ATL1C_RRD_DESC(R, i) ATL1C_GET_DESC(R, i, struct atl1c_recv_ret_status) + +/* tpd word 1 bit 0:7 General Checksum task offload */ +#define TPD_L4HDR_OFFSET_MASK 0x00FF +#define TPD_L4HDR_OFFSET_SHIFT 0 + +/* tpd word 1 bit 0:7 Large Send task offload (IPv4/IPV6) */ +#define TPD_TCPHDR_OFFSET_MASK 0x00FF +#define TPD_TCPHDR_OFFSET_SHIFT 0 + +/* tpd word 1 bit 0:7 Custom Checksum task offload */ +#define TPD_PLOADOFFSET_MASK 0x00FF +#define TPD_PLOADOFFSET_SHIFT 0 + +/* tpd word 1 bit 8:17 */ +#define TPD_CCSUM_EN_MASK 0x0001 +#define TPD_CCSUM_EN_SHIFT 8 +#define TPD_IP_CSUM_MASK 0x0001 +#define TPD_IP_CSUM_SHIFT 9 +#define TPD_TCP_CSUM_MASK 0x0001 +#define TPD_TCP_CSUM_SHIFT 10 +#define TPD_UDP_CSUM_MASK 0x0001 +#define TPD_UDP_CSUM_SHIFT 11 +#define TPD_LSO_EN_MASK 0x0001 /* TCP Large Send Offload */ +#define TPD_LSO_EN_SHIFT 12 +#define TPD_LSO_VER_MASK 0x0001 +#define TPD_LSO_VER_SHIFT 13 /* 0 : ipv4; 1 : ipv4/ipv6 */ +#define TPD_CON_VTAG_MASK 0x0001 +#define TPD_CON_VTAG_SHIFT 14 +#define TPD_INS_VTAG_MASK 0x0001 +#define TPD_INS_VTAG_SHIFT 15 +#define TPD_IPV4_PACKET_MASK 0x0001 /* valid when LSO VER is 1 */ +#define TPD_IPV4_PACKET_SHIFT 16 +#define TPD_ETH_TYPE_MASK 0x0001 +#define TPD_ETH_TYPE_SHIFT 17 /* 0 : 802.3 frame; 1 : Ethernet */ + +/* tpd word 18:25 Custom Checksum task offload */ +#define TPD_CCSUM_OFFSET_MASK 0x00FF +#define TPD_CCSUM_OFFSET_SHIFT 18 +#define TPD_CCSUM_EPAD_MASK 0x0001 +#define TPD_CCSUM_EPAD_SHIFT 30 + +/* tpd word 18:30 Large Send task offload (IPv4/IPV6) */ +#define TPD_MSS_MASK 0x1FFF +#define TPD_MSS_SHIFT 18 + +#define TPD_EOP_MASK 0x0001 +#define TPD_EOP_SHIFT 31 + +struct atl1c_tpd_desc { + __le16 buffer_len; /* include 4-byte CRC */ + __le16 vlan_tag; + __le32 word1; + __le64 buffer_addr; +}; + +struct atl1c_tpd_ext_desc { + u32 reservd_0; + __le32 word1; + __le32 pkt_len; + u32 reservd_1; +}; +/* rrs word 0 bit 0:31 */ +#define RRS_RX_CSUM_MASK 0xFFFF +#define RRS_RX_CSUM_SHIFT 0 +#define RRS_RX_RFD_CNT_MASK 0x000F +#define RRS_RX_RFD_CNT_SHIFT 16 +#define RRS_RX_RFD_INDEX_MASK 0x0FFF +#define RRS_RX_RFD_INDEX_SHIFT 20 + +/* rrs flag bit 0:16 */ +#define RRS_HEAD_LEN_MASK 0x00FF +#define RRS_HEAD_LEN_SHIFT 0 +#define RRS_HDS_TYPE_MASK 0x0003 +#define RRS_HDS_TYPE_SHIFT 8 +#define RRS_CPU_NUM_MASK 0x0003 +#define RRS_CPU_NUM_SHIFT 10 +#define RRS_HASH_FLG_MASK 0x000F +#define RRS_HASH_FLG_SHIFT 12 + +#define RRS_HDS_TYPE_HEAD 1 +#define RRS_HDS_TYPE_DATA 2 + +#define RRS_IS_NO_HDS_TYPE(flag) \ + ((((flag) >> (RRS_HDS_TYPE_SHIFT)) & RRS_HDS_TYPE_MASK) == 0) + +#define RRS_IS_HDS_HEAD(flag) \ + ((((flag) >> (RRS_HDS_TYPE_SHIFT)) & RRS_HDS_TYPE_MASK) == \ + RRS_HDS_TYPE_HEAD) + +#define RRS_IS_HDS_DATA(flag) \ + ((((flag) >> (RRS_HDS_TYPE_SHIFT)) & RRS_HDS_TYPE_MASK) == \ + RRS_HDS_TYPE_DATA) + +/* rrs word 3 bit 0:31 */ +#define RRS_PKT_SIZE_MASK 0x3FFF +#define RRS_PKT_SIZE_SHIFT 0 +#define RRS_ERR_L4_CSUM_MASK 0x0001 +#define RRS_ERR_L4_CSUM_SHIFT 14 +#define RRS_ERR_IP_CSUM_MASK 0x0001 +#define RRS_ERR_IP_CSUM_SHIFT 15 +#define RRS_VLAN_INS_MASK 0x0001 +#define RRS_VLAN_INS_SHIFT 16 +#define RRS_PROT_ID_MASK 0x0007 +#define RRS_PROT_ID_SHIFT 17 +#define RRS_RX_ERR_SUM_MASK 0x0001 +#define RRS_RX_ERR_SUM_SHIFT 20 +#define RRS_RX_ERR_CRC_MASK 0x0001 +#define RRS_RX_ERR_CRC_SHIFT 21 +#define RRS_RX_ERR_FAE_MASK 0x0001 +#define RRS_RX_ERR_FAE_SHIFT 22 +#define RRS_RX_ERR_TRUNC_MASK 0x0001 +#define RRS_RX_ERR_TRUNC_SHIFT 23 +#define RRS_RX_ERR_RUNC_MASK 0x0001 +#define RRS_RX_ERR_RUNC_SHIFT 24 +#define RRS_RX_ERR_ICMP_MASK 0x0001 +#define RRS_RX_ERR_ICMP_SHIFT 25 +#define RRS_PACKET_BCAST_MASK 0x0001 +#define RRS_PACKET_BCAST_SHIFT 26 +#define RRS_PACKET_MCAST_MASK 0x0001 +#define RRS_PACKET_MCAST_SHIFT 27 +#define RRS_PACKET_TYPE_MASK 0x0001 +#define RRS_PACKET_TYPE_SHIFT 28 +#define RRS_FIFO_FULL_MASK 0x0001 +#define RRS_FIFO_FULL_SHIFT 29 +#define RRS_802_3_LEN_ERR_MASK 0x0001 +#define RRS_802_3_LEN_ERR_SHIFT 30 +#define RRS_RXD_UPDATED_MASK 0x0001 +#define RRS_RXD_UPDATED_SHIFT 31 + +#define RRS_ERR_L4_CSUM 0x00004000 +#define RRS_ERR_IP_CSUM 0x00008000 +#define RRS_VLAN_INS 0x00010000 +#define RRS_RX_ERR_SUM 0x00100000 +#define RRS_RX_ERR_CRC 0x00200000 +#define RRS_802_3_LEN_ERR 0x40000000 +#define RRS_RXD_UPDATED 0x80000000 + +#define RRS_PACKET_TYPE_802_3 1 +#define RRS_PACKET_TYPE_ETH 0 +#define RRS_PACKET_IS_ETH(word) \ + ((((word) >> RRS_PACKET_TYPE_SHIFT) & RRS_PACKET_TYPE_MASK) == \ + RRS_PACKET_TYPE_ETH) +#define RRS_RXD_IS_VALID(word) \ + ((((word) >> RRS_RXD_UPDATED_SHIFT) & RRS_RXD_UPDATED_MASK) == 1) + +#define RRS_PACKET_PROT_IS_IPV4_ONLY(word) \ + ((((word) >> RRS_PROT_ID_SHIFT) & RRS_PROT_ID_MASK) == 1) +#define RRS_PACKET_PROT_IS_IPV6_ONLY(word) \ + ((((word) >> RRS_PROT_ID_SHIFT) & RRS_PROT_ID_MASK) == 6) + +struct atl1c_recv_ret_status { + __le32 word0; + __le32 rss_hash; + __le16 vlan_tag; + __le16 flag; + __le32 word3; +}; + +/* RFD descriptor */ +struct atl1c_rx_free_desc { + __le64 buffer_addr; +}; + +/* DMA Order Settings */ +enum atl1c_dma_order { + atl1c_dma_ord_in = 1, + atl1c_dma_ord_enh = 2, + atl1c_dma_ord_out = 4 +}; + +enum atl1c_dma_rcb { + atl1c_rcb_64 = 0, + atl1c_rcb_128 = 1 +}; + +enum atl1c_mac_speed { + atl1c_mac_speed_0 = 0, + atl1c_mac_speed_10_100 = 1, + atl1c_mac_speed_1000 = 2 +}; + +enum atl1c_dma_req_block { + atl1c_dma_req_128 = 0, + atl1c_dma_req_256 = 1, + atl1c_dma_req_512 = 2, + atl1c_dma_req_1024 = 3, + atl1c_dma_req_2048 = 4, + atl1c_dma_req_4096 = 5 +}; + +enum atl1c_rss_mode { + atl1c_rss_mode_disable = 0, + atl1c_rss_sig_que = 1, + atl1c_rss_mul_que_sig_int = 2, + atl1c_rss_mul_que_mul_int = 4, +}; + +enum atl1c_rss_type { + atl1c_rss_disable = 0, + atl1c_rss_ipv4 = 1, + atl1c_rss_ipv4_tcp = 2, + atl1c_rss_ipv6 = 4, + atl1c_rss_ipv6_tcp = 8 +}; + +enum atl1c_nic_type { + athr_l1c = 0, + athr_l2c = 1, + athr_l2c_b, + athr_l2c_b2, + athr_l1d, + athr_l1d_2, +}; + +enum atl1c_trans_queue { + atl1c_trans_normal = 0, + atl1c_trans_high = 1 +}; + +struct atl1c_hw_stats { + /* rx */ + unsigned long rx_ok; /* The number of good packet received. */ + unsigned long rx_bcast; /* The number of good broadcast packet received. */ + unsigned long rx_mcast; /* The number of good multicast packet received. */ + unsigned long rx_pause; /* The number of Pause packet received. */ + unsigned long rx_ctrl; /* The number of Control packet received other than Pause frame. */ + unsigned long rx_fcs_err; /* The number of packets with bad FCS. */ + unsigned long rx_len_err; /* The number of packets with mismatch of length field and actual size. */ + unsigned long rx_byte_cnt; /* The number of bytes of good packet received. FCS is NOT included. */ + unsigned long rx_runt; /* The number of packets received that are less than 64 byte long and with good FCS. */ + unsigned long rx_frag; /* The number of packets received that are less than 64 byte long and with bad FCS. */ + unsigned long rx_sz_64; /* The number of good and bad packets received that are 64 byte long. */ + unsigned long rx_sz_65_127; /* The number of good and bad packets received that are between 65 and 127-byte long. */ + unsigned long rx_sz_128_255; /* The number of good and bad packets received that are between 128 and 255-byte long. */ + unsigned long rx_sz_256_511; /* The number of good and bad packets received that are between 256 and 511-byte long. */ + unsigned long rx_sz_512_1023; /* The number of good and bad packets received that are between 512 and 1023-byte long. */ + unsigned long rx_sz_1024_1518; /* The number of good and bad packets received that are between 1024 and 1518-byte long. */ + unsigned long rx_sz_1519_max; /* The number of good and bad packets received that are between 1519-byte and MTU. */ + unsigned long rx_sz_ov; /* The number of good and bad packets received that are more than MTU size truncated by Selene. */ + unsigned long rx_rxf_ov; /* The number of frame dropped due to occurrence of RX FIFO overflow. */ + unsigned long rx_rrd_ov; /* The number of frame dropped due to occurrence of RRD overflow. */ + unsigned long rx_align_err; /* Alignment Error */ + unsigned long rx_bcast_byte_cnt; /* The byte count of broadcast packet received, excluding FCS. */ + unsigned long rx_mcast_byte_cnt; /* The byte count of multicast packet received, excluding FCS. */ + unsigned long rx_err_addr; /* The number of packets dropped due to address filtering. */ + + /* tx */ + unsigned long tx_ok; /* The number of good packet transmitted. */ + unsigned long tx_bcast; /* The number of good broadcast packet transmitted. */ + unsigned long tx_mcast; /* The number of good multicast packet transmitted. */ + unsigned long tx_pause; /* The number of Pause packet transmitted. */ + unsigned long tx_exc_defer; /* The number of packets transmitted with excessive deferral. */ + unsigned long tx_ctrl; /* The number of packets transmitted is a control frame, excluding Pause frame. */ + unsigned long tx_defer; /* The number of packets transmitted that is deferred. */ + unsigned long tx_byte_cnt; /* The number of bytes of data transmitted. FCS is NOT included. */ + unsigned long tx_sz_64; /* The number of good and bad packets transmitted that are 64 byte long. */ + unsigned long tx_sz_65_127; /* The number of good and bad packets transmitted that are between 65 and 127-byte long. */ + unsigned long tx_sz_128_255; /* The number of good and bad packets transmitted that are between 128 and 255-byte long. */ + unsigned long tx_sz_256_511; /* The number of good and bad packets transmitted that are between 256 and 511-byte long. */ + unsigned long tx_sz_512_1023; /* The number of good and bad packets transmitted that are between 512 and 1023-byte long. */ + unsigned long tx_sz_1024_1518; /* The number of good and bad packets transmitted that are between 1024 and 1518-byte long. */ + unsigned long tx_sz_1519_max; /* The number of good and bad packets transmitted that are between 1519-byte and MTU. */ + unsigned long tx_1_col; /* The number of packets subsequently transmitted successfully with a single prior collision. */ + unsigned long tx_2_col; /* The number of packets subsequently transmitted successfully with multiple prior collisions. */ + unsigned long tx_late_col; /* The number of packets transmitted with late collisions. */ + unsigned long tx_abort_col; /* The number of transmit packets aborted due to excessive collisions. */ + unsigned long tx_underrun; /* The number of transmit packets aborted due to transmit FIFO underrun, or TRD FIFO underrun */ + unsigned long tx_rd_eop; /* The number of times that read beyond the EOP into the next frame area when TRD was not written timely */ + unsigned long tx_len_err; /* The number of transmit packets with length field does NOT match the actual frame size. */ + unsigned long tx_trunc; /* The number of transmit packets truncated due to size exceeding MTU. */ + unsigned long tx_bcast_byte; /* The byte count of broadcast packet transmitted, excluding FCS. */ + unsigned long tx_mcast_byte; /* The byte count of multicast packet transmitted, excluding FCS. */ +}; + +struct atl1c_hw { + u8 __iomem *hw_addr; /* inner register address */ + struct atl1c_adapter *adapter; + enum atl1c_nic_type nic_type; + enum atl1c_dma_order dma_order; + enum atl1c_dma_rcb rcb_value; + enum atl1c_dma_req_block dmar_block; + enum atl1c_dma_req_block dmaw_block; + + u16 device_id; + u16 vendor_id; + u16 subsystem_id; + u16 subsystem_vendor_id; + u8 revision_id; + u16 phy_id1; + u16 phy_id2; + + u32 intr_mask; + u8 dmaw_dly_cnt; + u8 dmar_dly_cnt; + + u8 preamble_len; + u16 max_frame_size; + u16 min_frame_size; + + enum atl1c_mac_speed mac_speed; + bool mac_duplex; + bool hibernate; + u16 media_type; +#define MEDIA_TYPE_AUTO_SENSOR 0 +#define MEDIA_TYPE_100M_FULL 1 +#define MEDIA_TYPE_100M_HALF 2 +#define MEDIA_TYPE_10M_FULL 3 +#define MEDIA_TYPE_10M_HALF 4 + + u16 autoneg_advertised; + u16 mii_autoneg_adv_reg; + u16 mii_1000t_ctrl_reg; + + u16 tx_imt; /* TX Interrupt Moderator timer ( 2us resolution) */ + u16 rx_imt; /* RX Interrupt Moderator timer ( 2us resolution) */ + u16 ict; /* Interrupt Clear timer (2us resolution) */ + u16 ctrl_flags; +#define ATL1C_INTR_CLEAR_ON_READ 0x0001 +#define ATL1C_INTR_MODRT_ENABLE 0x0002 +#define ATL1C_CMB_ENABLE 0x0004 +#define ATL1C_SMB_ENABLE 0x0010 +#define ATL1C_TXQ_MODE_ENHANCE 0x0020 +#define ATL1C_RX_IPV6_CHKSUM 0x0040 +#define ATL1C_ASPM_L0S_SUPPORT 0x0080 +#define ATL1C_ASPM_L1_SUPPORT 0x0100 +#define ATL1C_ASPM_CTRL_MON 0x0200 +#define ATL1C_HIB_DISABLE 0x0400 +#define ATL1C_APS_MODE_ENABLE 0x0800 +#define ATL1C_LINK_EXT_SYNC 0x1000 +#define ATL1C_CLK_GATING_EN 0x2000 +#define ATL1C_FPGA_VERSION 0x8000 + u16 link_cap_flags; +#define ATL1C_LINK_CAP_1000M 0x0001 + u16 cmb_tpd; + u16 cmb_rrd; + u16 cmb_rx_timer; /* 2us resolution */ + u16 cmb_tx_timer; + u32 smb_timer; + + u16 rrd_thresh; /* Threshold of number of RRD produced to trigger + interrupt request */ + u16 tpd_thresh; + u8 tpd_burst; /* Number of TPD to prefetch in cache-aligned burst. */ + u8 rfd_burst; + enum atl1c_rss_type rss_type; + enum atl1c_rss_mode rss_mode; + u8 rss_hash_bits; + u32 base_cpu; + u32 indirect_tab; + u8 mac_addr[ETH_ALEN]; + u8 perm_mac_addr[ETH_ALEN]; + + bool phy_configured; + bool re_autoneg; + bool emi_ca; +}; + +/* + * atl1c_ring_header represents a single, contiguous block of DMA space + * mapped for the three descriptor rings (tpd, rfd, rrd) and the two + * message blocks (cmb, smb) described below + */ +struct atl1c_ring_header { + void *desc; /* virtual address */ + dma_addr_t dma; /* physical address*/ + unsigned int size; /* length in bytes */ +}; + +/* + * atl1c_buffer is wrapper around a pointer to a socket buffer + * so a DMA handle can be stored along with the skb + */ +struct atl1c_buffer { + struct sk_buff *skb; /* socket buffer */ + u16 length; /* rx buffer length */ + u16 flags; /* information of buffer */ +#define ATL1C_BUFFER_FREE 0x0001 +#define ATL1C_BUFFER_BUSY 0x0002 +#define ATL1C_BUFFER_STATE_MASK 0x0003 + +#define ATL1C_PCIMAP_SINGLE 0x0004 +#define ATL1C_PCIMAP_PAGE 0x0008 +#define ATL1C_PCIMAP_TYPE_MASK 0x000C + +#define ATL1C_PCIMAP_TODEVICE 0x0010 +#define ATL1C_PCIMAP_FROMDEVICE 0x0020 +#define ATL1C_PCIMAP_DIRECTION_MASK 0x0030 + dma_addr_t dma; +}; + +#define ATL1C_SET_BUFFER_STATE(buff, state) do { \ + ((buff)->flags) &= ~ATL1C_BUFFER_STATE_MASK; \ + ((buff)->flags) |= (state); \ + } while (0) + +#define ATL1C_SET_PCIMAP_TYPE(buff, type, direction) do { \ + ((buff)->flags) &= ~ATL1C_PCIMAP_TYPE_MASK; \ + ((buff)->flags) |= (type); \ + ((buff)->flags) &= ~ATL1C_PCIMAP_DIRECTION_MASK; \ + ((buff)->flags) |= (direction); \ + } while (0) + +/* transimit packet descriptor (tpd) ring */ +struct atl1c_tpd_ring { + void *desc; /* descriptor ring virtual address */ + dma_addr_t dma; /* descriptor ring physical address */ + u16 size; /* descriptor ring length in bytes */ + u16 count; /* number of descriptors in the ring */ + u16 next_to_use; /* this is protectd by adapter->tx_lock */ + atomic_t next_to_clean; + struct atl1c_buffer *buffer_info; +}; + +/* receive free descriptor (rfd) ring */ +struct atl1c_rfd_ring { + void *desc; /* descriptor ring virtual address */ + dma_addr_t dma; /* descriptor ring physical address */ + u16 size; /* descriptor ring length in bytes */ + u16 count; /* number of descriptors in the ring */ + u16 next_to_use; + u16 next_to_clean; + struct atl1c_buffer *buffer_info; +}; + +/* receive return descriptor (rrd) ring */ +struct atl1c_rrd_ring { + void *desc; /* descriptor ring virtual address */ + dma_addr_t dma; /* descriptor ring physical address */ + u16 size; /* descriptor ring length in bytes */ + u16 count; /* number of descriptors in the ring */ + u16 next_to_use; + u16 next_to_clean; +}; + +struct atl1c_cmb { + void *cmb; + dma_addr_t dma; +}; + +struct atl1c_smb { + void *smb; + dma_addr_t dma; +}; + +/* board specific private data structure */ +struct atl1c_adapter { + struct net_device *netdev; + struct pci_dev *pdev; + struct napi_struct napi; + struct atl1c_hw hw; + struct atl1c_hw_stats hw_stats; + struct mii_if_info mii; /* MII interface info */ + u16 rx_buffer_len; + + unsigned long flags; +#define __AT_TESTING 0x0001 +#define __AT_RESETTING 0x0002 +#define __AT_DOWN 0x0003 + unsigned long work_event; +#define ATL1C_WORK_EVENT_RESET 0 +#define ATL1C_WORK_EVENT_LINK_CHANGE 1 + u32 msg_enable; + + bool have_msi; + u32 wol; + u16 link_speed; + u16 link_duplex; + + spinlock_t mdio_lock; + spinlock_t tx_lock; + atomic_t irq_sem; + + struct work_struct common_task; + struct timer_list watchdog_timer; + struct timer_list phy_config_timer; + + /* All Descriptor memory */ + struct atl1c_ring_header ring_header; + struct atl1c_tpd_ring tpd_ring[AT_MAX_TRANSMIT_QUEUE]; + struct atl1c_rfd_ring rfd_ring[AT_MAX_RECEIVE_QUEUE]; + struct atl1c_rrd_ring rrd_ring[AT_MAX_RECEIVE_QUEUE]; + struct atl1c_cmb cmb; + struct atl1c_smb smb; + int num_rx_queues; + u32 bd_number; /* board number;*/ +}; + +#define AT_WRITE_REG(a, reg, value) ( \ + writel((value), ((a)->hw_addr + reg))) + +#define AT_WRITE_FLUSH(a) (\ + readl((a)->hw_addr)) + +#define AT_READ_REG(a, reg, pdata) do { \ + if (unlikely((a)->hibernate)) { \ + readl((a)->hw_addr + reg); \ + *(u32 *)pdata = readl((a)->hw_addr + reg); \ + } else { \ + *(u32 *)pdata = readl((a)->hw_addr + reg); \ + } \ + } while (0) + +#define AT_WRITE_REGB(a, reg, value) (\ + writeb((value), ((a)->hw_addr + reg))) + +#define AT_READ_REGB(a, reg) (\ + readb((a)->hw_addr + reg)) + +#define AT_WRITE_REGW(a, reg, value) (\ + writew((value), ((a)->hw_addr + reg))) + +#define AT_READ_REGW(a, reg) (\ + readw((a)->hw_addr + reg)) + +#define AT_WRITE_REG_ARRAY(a, reg, offset, value) ( \ + writel((value), (((a)->hw_addr + reg) + ((offset) << 2)))) + +#define AT_READ_REG_ARRAY(a, reg, offset) ( \ + readl(((a)->hw_addr + reg) + ((offset) << 2))) + +extern char atl1c_driver_name[]; +extern char atl1c_driver_version[]; + +extern void atl1c_reinit_locked(struct atl1c_adapter *adapter); +extern s32 atl1c_reset_hw(struct atl1c_hw *hw); +extern void atl1c_set_ethtool_ops(struct net_device *netdev); +#endif /* _ATL1C_H_ */ diff --git a/drivers/net/ethernet/atheros/atl1c/atl1c_ethtool.c b/drivers/net/ethernet/atheros/atl1c/atl1c_ethtool.c new file mode 100644 index 000000000000..7be884d0aaf6 --- /dev/null +++ b/drivers/net/ethernet/atheros/atl1c/atl1c_ethtool.c @@ -0,0 +1,311 @@ +/* + * Copyright(c) 2009 - 2009 Atheros Corporation. All rights reserved. + * + * Derived from Intel e1000 driver + * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., 59 + * Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + */ + +#include +#include +#include + +#include "atl1c.h" + +static int atl1c_get_settings(struct net_device *netdev, + struct ethtool_cmd *ecmd) +{ + struct atl1c_adapter *adapter = netdev_priv(netdev); + struct atl1c_hw *hw = &adapter->hw; + + ecmd->supported = (SUPPORTED_10baseT_Half | + SUPPORTED_10baseT_Full | + SUPPORTED_100baseT_Half | + SUPPORTED_100baseT_Full | + SUPPORTED_Autoneg | + SUPPORTED_TP); + if (hw->link_cap_flags & ATL1C_LINK_CAP_1000M) + ecmd->supported |= SUPPORTED_1000baseT_Full; + + ecmd->advertising = ADVERTISED_TP; + + ecmd->advertising |= hw->autoneg_advertised; + + ecmd->port = PORT_TP; + ecmd->phy_address = 0; + ecmd->transceiver = XCVR_INTERNAL; + + if (adapter->link_speed != SPEED_0) { + ethtool_cmd_speed_set(ecmd, adapter->link_speed); + if (adapter->link_duplex == FULL_DUPLEX) + ecmd->duplex = DUPLEX_FULL; + else + ecmd->duplex = DUPLEX_HALF; + } else { + ethtool_cmd_speed_set(ecmd, -1); + ecmd->duplex = -1; + } + + ecmd->autoneg = AUTONEG_ENABLE; + return 0; +} + +static int atl1c_set_settings(struct net_device *netdev, + struct ethtool_cmd *ecmd) +{ + struct atl1c_adapter *adapter = netdev_priv(netdev); + struct atl1c_hw *hw = &adapter->hw; + u16 autoneg_advertised; + + while (test_and_set_bit(__AT_RESETTING, &adapter->flags)) + msleep(1); + + if (ecmd->autoneg == AUTONEG_ENABLE) { + autoneg_advertised = ADVERTISED_Autoneg; + } else { + u32 speed = ethtool_cmd_speed(ecmd); + if (speed == SPEED_1000) { + if (ecmd->duplex != DUPLEX_FULL) { + if (netif_msg_link(adapter)) + dev_warn(&adapter->pdev->dev, + "1000M half is invalid\n"); + clear_bit(__AT_RESETTING, &adapter->flags); + return -EINVAL; + } + autoneg_advertised = ADVERTISED_1000baseT_Full; + } else if (speed == SPEED_100) { + if (ecmd->duplex == DUPLEX_FULL) + autoneg_advertised = ADVERTISED_100baseT_Full; + else + autoneg_advertised = ADVERTISED_100baseT_Half; + } else { + if (ecmd->duplex == DUPLEX_FULL) + autoneg_advertised = ADVERTISED_10baseT_Full; + else + autoneg_advertised = ADVERTISED_10baseT_Half; + } + } + + if (hw->autoneg_advertised != autoneg_advertised) { + hw->autoneg_advertised = autoneg_advertised; + if (atl1c_restart_autoneg(hw) != 0) { + if (netif_msg_link(adapter)) + dev_warn(&adapter->pdev->dev, + "ethtool speed/duplex setting failed\n"); + clear_bit(__AT_RESETTING, &adapter->flags); + return -EINVAL; + } + } + clear_bit(__AT_RESETTING, &adapter->flags); + return 0; +} + +static u32 atl1c_get_msglevel(struct net_device *netdev) +{ + struct atl1c_adapter *adapter = netdev_priv(netdev); + return adapter->msg_enable; +} + +static void atl1c_set_msglevel(struct net_device *netdev, u32 data) +{ + struct atl1c_adapter *adapter = netdev_priv(netdev); + adapter->msg_enable = data; +} + +static int atl1c_get_regs_len(struct net_device *netdev) +{ + return AT_REGS_LEN; +} + +static void atl1c_get_regs(struct net_device *netdev, + struct ethtool_regs *regs, void *p) +{ + struct atl1c_adapter *adapter = netdev_priv(netdev); + struct atl1c_hw *hw = &adapter->hw; + u32 *regs_buff = p; + u16 phy_data; + + memset(p, 0, AT_REGS_LEN); + + regs->version = 0; + AT_READ_REG(hw, REG_VPD_CAP, p++); + AT_READ_REG(hw, REG_PM_CTRL, p++); + AT_READ_REG(hw, REG_MAC_HALF_DUPLX_CTRL, p++); + AT_READ_REG(hw, REG_TWSI_CTRL, p++); + AT_READ_REG(hw, REG_PCIE_DEV_MISC_CTRL, p++); + AT_READ_REG(hw, REG_MASTER_CTRL, p++); + AT_READ_REG(hw, REG_MANUAL_TIMER_INIT, p++); + AT_READ_REG(hw, REG_IRQ_MODRT_TIMER_INIT, p++); + AT_READ_REG(hw, REG_GPHY_CTRL, p++); + AT_READ_REG(hw, REG_LINK_CTRL, p++); + AT_READ_REG(hw, REG_IDLE_STATUS, p++); + AT_READ_REG(hw, REG_MDIO_CTRL, p++); + AT_READ_REG(hw, REG_SERDES_LOCK, p++); + AT_READ_REG(hw, REG_MAC_CTRL, p++); + AT_READ_REG(hw, REG_MAC_IPG_IFG, p++); + AT_READ_REG(hw, REG_MAC_STA_ADDR, p++); + AT_READ_REG(hw, REG_MAC_STA_ADDR+4, p++); + AT_READ_REG(hw, REG_RX_HASH_TABLE, p++); + AT_READ_REG(hw, REG_RX_HASH_TABLE+4, p++); + AT_READ_REG(hw, REG_RXQ_CTRL, p++); + AT_READ_REG(hw, REG_TXQ_CTRL, p++); + AT_READ_REG(hw, REG_MTU, p++); + AT_READ_REG(hw, REG_WOL_CTRL, p++); + + atl1c_read_phy_reg(hw, MII_BMCR, &phy_data); + regs_buff[73] = (u32) phy_data; + atl1c_read_phy_reg(hw, MII_BMSR, &phy_data); + regs_buff[74] = (u32) phy_data; +} + +static int atl1c_get_eeprom_len(struct net_device *netdev) +{ + struct atl1c_adapter *adapter = netdev_priv(netdev); + + if (atl1c_check_eeprom_exist(&adapter->hw)) + return AT_EEPROM_LEN; + else + return 0; +} + +static int atl1c_get_eeprom(struct net_device *netdev, + struct ethtool_eeprom *eeprom, u8 *bytes) +{ + struct atl1c_adapter *adapter = netdev_priv(netdev); + struct atl1c_hw *hw = &adapter->hw; + u32 *eeprom_buff; + int first_dword, last_dword; + int ret_val = 0; + int i; + + if (eeprom->len == 0) + return -EINVAL; + + if (!atl1c_check_eeprom_exist(hw)) /* not exist */ + return -EINVAL; + + eeprom->magic = adapter->pdev->vendor | + (adapter->pdev->device << 16); + + first_dword = eeprom->offset >> 2; + last_dword = (eeprom->offset + eeprom->len - 1) >> 2; + + eeprom_buff = kmalloc(sizeof(u32) * + (last_dword - first_dword + 1), GFP_KERNEL); + if (eeprom_buff == NULL) + return -ENOMEM; + + for (i = first_dword; i < last_dword; i++) { + if (!atl1c_read_eeprom(hw, i * 4, &(eeprom_buff[i-first_dword]))) { + kfree(eeprom_buff); + return -EIO; + } + } + + memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 3), + eeprom->len); + kfree(eeprom_buff); + + return ret_val; + return 0; +} + +static void atl1c_get_drvinfo(struct net_device *netdev, + struct ethtool_drvinfo *drvinfo) +{ + struct atl1c_adapter *adapter = netdev_priv(netdev); + + strlcpy(drvinfo->driver, atl1c_driver_name, sizeof(drvinfo->driver)); + strlcpy(drvinfo->version, atl1c_driver_version, + sizeof(drvinfo->version)); + strlcpy(drvinfo->fw_version, "N/A", sizeof(drvinfo->fw_version)); + strlcpy(drvinfo->bus_info, pci_name(adapter->pdev), + sizeof(drvinfo->bus_info)); + drvinfo->n_stats = 0; + drvinfo->testinfo_len = 0; + drvinfo->regdump_len = atl1c_get_regs_len(netdev); + drvinfo->eedump_len = atl1c_get_eeprom_len(netdev); +} + +static void atl1c_get_wol(struct net_device *netdev, + struct ethtool_wolinfo *wol) +{ + struct atl1c_adapter *adapter = netdev_priv(netdev); + + wol->supported = WAKE_MAGIC | WAKE_PHY; + wol->wolopts = 0; + + if (adapter->wol & AT_WUFC_EX) + wol->wolopts |= WAKE_UCAST; + if (adapter->wol & AT_WUFC_MC) + wol->wolopts |= WAKE_MCAST; + if (adapter->wol & AT_WUFC_BC) + wol->wolopts |= WAKE_BCAST; + if (adapter->wol & AT_WUFC_MAG) + wol->wolopts |= WAKE_MAGIC; + if (adapter->wol & AT_WUFC_LNKC) + wol->wolopts |= WAKE_PHY; +} + +static int atl1c_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) +{ + struct atl1c_adapter *adapter = netdev_priv(netdev); + + if (wol->wolopts & (WAKE_ARP | WAKE_MAGICSECURE | + WAKE_UCAST | WAKE_BCAST | WAKE_MCAST)) + return -EOPNOTSUPP; + /* these settings will always override what we currently have */ + adapter->wol = 0; + + if (wol->wolopts & WAKE_MAGIC) + adapter->wol |= AT_WUFC_MAG; + if (wol->wolopts & WAKE_PHY) + adapter->wol |= AT_WUFC_LNKC; + + device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol); + + return 0; +} + +static int atl1c_nway_reset(struct net_device *netdev) +{ + struct atl1c_adapter *adapter = netdev_priv(netdev); + if (netif_running(netdev)) + atl1c_reinit_locked(adapter); + return 0; +} + +static const struct ethtool_ops atl1c_ethtool_ops = { + .get_settings = atl1c_get_settings, + .set_settings = atl1c_set_settings, + .get_drvinfo = atl1c_get_drvinfo, + .get_regs_len = atl1c_get_regs_len, + .get_regs = atl1c_get_regs, + .get_wol = atl1c_get_wol, + .set_wol = atl1c_set_wol, + .get_msglevel = atl1c_get_msglevel, + .set_msglevel = atl1c_set_msglevel, + .nway_reset = atl1c_nway_reset, + .get_link = ethtool_op_get_link, + .get_eeprom_len = atl1c_get_eeprom_len, + .get_eeprom = atl1c_get_eeprom, +}; + +void atl1c_set_ethtool_ops(struct net_device *netdev) +{ + SET_ETHTOOL_OPS(netdev, &atl1c_ethtool_ops); +} diff --git a/drivers/net/ethernet/atheros/atl1c/atl1c_hw.c b/drivers/net/ethernet/atheros/atl1c/atl1c_hw.c new file mode 100644 index 000000000000..23f2ab0f2fa8 --- /dev/null +++ b/drivers/net/ethernet/atheros/atl1c/atl1c_hw.c @@ -0,0 +1,662 @@ +/* + * Copyright(c) 2007 Atheros Corporation. All rights reserved. + * + * Derived from Intel e1000 driver + * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., 59 + * Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ +#include +#include +#include +#include + +#include "atl1c.h" + +/* + * check_eeprom_exist + * return 1 if eeprom exist + */ +int atl1c_check_eeprom_exist(struct atl1c_hw *hw) +{ + u32 data; + + AT_READ_REG(hw, REG_TWSI_DEBUG, &data); + if (data & TWSI_DEBUG_DEV_EXIST) + return 1; + + AT_READ_REG(hw, REG_MASTER_CTRL, &data); + if (data & MASTER_CTRL_OTP_SEL) + return 1; + return 0; +} + +void atl1c_hw_set_mac_addr(struct atl1c_hw *hw) +{ + u32 value; + /* + * 00-0B-6A-F6-00-DC + * 0: 6AF600DC 1: 000B + * low dword + */ + value = (((u32)hw->mac_addr[2]) << 24) | + (((u32)hw->mac_addr[3]) << 16) | + (((u32)hw->mac_addr[4]) << 8) | + (((u32)hw->mac_addr[5])) ; + AT_WRITE_REG_ARRAY(hw, REG_MAC_STA_ADDR, 0, value); + /* hight dword */ + value = (((u32)hw->mac_addr[0]) << 8) | + (((u32)hw->mac_addr[1])) ; + AT_WRITE_REG_ARRAY(hw, REG_MAC_STA_ADDR, 1, value); +} + +/* + * atl1c_get_permanent_address + * return 0 if get valid mac address, + */ +static int atl1c_get_permanent_address(struct atl1c_hw *hw) +{ + u32 addr[2]; + u32 i; + u32 otp_ctrl_data; + u32 twsi_ctrl_data; + u32 ltssm_ctrl_data; + u32 wol_data; + u8 eth_addr[ETH_ALEN]; + u16 phy_data; + bool raise_vol = false; + + /* init */ + addr[0] = addr[1] = 0; + AT_READ_REG(hw, REG_OTP_CTRL, &otp_ctrl_data); + if (atl1c_check_eeprom_exist(hw)) { + if (hw->nic_type == athr_l1c || hw->nic_type == athr_l2c) { + /* Enable OTP CLK */ + if (!(otp_ctrl_data & OTP_CTRL_CLK_EN)) { + otp_ctrl_data |= OTP_CTRL_CLK_EN; + AT_WRITE_REG(hw, REG_OTP_CTRL, otp_ctrl_data); + AT_WRITE_FLUSH(hw); + msleep(1); + } + } + + if (hw->nic_type == athr_l2c_b || + hw->nic_type == athr_l2c_b2 || + hw->nic_type == athr_l1d) { + atl1c_write_phy_reg(hw, MII_DBG_ADDR, 0x00); + if (atl1c_read_phy_reg(hw, MII_DBG_DATA, &phy_data)) + goto out; + phy_data &= 0xFF7F; + atl1c_write_phy_reg(hw, MII_DBG_DATA, phy_data); + + atl1c_write_phy_reg(hw, MII_DBG_ADDR, 0x3B); + if (atl1c_read_phy_reg(hw, MII_DBG_DATA, &phy_data)) + goto out; + phy_data |= 0x8; + atl1c_write_phy_reg(hw, MII_DBG_DATA, phy_data); + udelay(20); + raise_vol = true; + } + /* close open bit of ReadOnly*/ + AT_READ_REG(hw, REG_LTSSM_ID_CTRL, <ssm_ctrl_data); + ltssm_ctrl_data &= ~LTSSM_ID_EN_WRO; + AT_WRITE_REG(hw, REG_LTSSM_ID_CTRL, ltssm_ctrl_data); + + /* clear any WOL settings */ + AT_WRITE_REG(hw, REG_WOL_CTRL, 0); + AT_READ_REG(hw, REG_WOL_CTRL, &wol_data); + + + AT_READ_REG(hw, REG_TWSI_CTRL, &twsi_ctrl_data); + twsi_ctrl_data |= TWSI_CTRL_SW_LDSTART; + AT_WRITE_REG(hw, REG_TWSI_CTRL, twsi_ctrl_data); + for (i = 0; i < AT_TWSI_EEPROM_TIMEOUT; i++) { + msleep(10); + AT_READ_REG(hw, REG_TWSI_CTRL, &twsi_ctrl_data); + if ((twsi_ctrl_data & TWSI_CTRL_SW_LDSTART) == 0) + break; + } + if (i >= AT_TWSI_EEPROM_TIMEOUT) + return -1; + } + /* Disable OTP_CLK */ + if ((hw->nic_type == athr_l1c || hw->nic_type == athr_l2c)) { + otp_ctrl_data &= ~OTP_CTRL_CLK_EN; + AT_WRITE_REG(hw, REG_OTP_CTRL, otp_ctrl_data); + msleep(1); + } + if (raise_vol) { + if (hw->nic_type == athr_l2c_b || + hw->nic_type == athr_l2c_b2 || + hw->nic_type == athr_l1d || + hw->nic_type == athr_l1d_2) { + atl1c_write_phy_reg(hw, MII_DBG_ADDR, 0x00); + if (atl1c_read_phy_reg(hw, MII_DBG_DATA, &phy_data)) + goto out; + phy_data |= 0x80; + atl1c_write_phy_reg(hw, MII_DBG_DATA, phy_data); + + atl1c_write_phy_reg(hw, MII_DBG_ADDR, 0x3B); + if (atl1c_read_phy_reg(hw, MII_DBG_DATA, &phy_data)) + goto out; + phy_data &= 0xFFF7; + atl1c_write_phy_reg(hw, MII_DBG_DATA, phy_data); + udelay(20); + } + } + + /* maybe MAC-address is from BIOS */ + AT_READ_REG(hw, REG_MAC_STA_ADDR, &addr[0]); + AT_READ_REG(hw, REG_MAC_STA_ADDR + 4, &addr[1]); + *(u32 *) ð_addr[2] = swab32(addr[0]); + *(u16 *) ð_addr[0] = swab16(*(u16 *)&addr[1]); + + if (is_valid_ether_addr(eth_addr)) { + memcpy(hw->perm_mac_addr, eth_addr, ETH_ALEN); + return 0; + } + +out: + return -1; +} + +bool atl1c_read_eeprom(struct atl1c_hw *hw, u32 offset, u32 *p_value) +{ + int i; + int ret = false; + u32 otp_ctrl_data; + u32 control; + u32 data; + + if (offset & 3) + return ret; /* address do not align */ + + AT_READ_REG(hw, REG_OTP_CTRL, &otp_ctrl_data); + if (!(otp_ctrl_data & OTP_CTRL_CLK_EN)) + AT_WRITE_REG(hw, REG_OTP_CTRL, + (otp_ctrl_data | OTP_CTRL_CLK_EN)); + + AT_WRITE_REG(hw, REG_EEPROM_DATA_LO, 0); + control = (offset & EEPROM_CTRL_ADDR_MASK) << EEPROM_CTRL_ADDR_SHIFT; + AT_WRITE_REG(hw, REG_EEPROM_CTRL, control); + + for (i = 0; i < 10; i++) { + udelay(100); + AT_READ_REG(hw, REG_EEPROM_CTRL, &control); + if (control & EEPROM_CTRL_RW) + break; + } + if (control & EEPROM_CTRL_RW) { + AT_READ_REG(hw, REG_EEPROM_CTRL, &data); + AT_READ_REG(hw, REG_EEPROM_DATA_LO, p_value); + data = data & 0xFFFF; + *p_value = swab32((data << 16) | (*p_value >> 16)); + ret = true; + } + if (!(otp_ctrl_data & OTP_CTRL_CLK_EN)) + AT_WRITE_REG(hw, REG_OTP_CTRL, otp_ctrl_data); + + return ret; +} +/* + * Reads the adapter's MAC address from the EEPROM + * + * hw - Struct containing variables accessed by shared code + */ +int atl1c_read_mac_addr(struct atl1c_hw *hw) +{ + int err = 0; + + err = atl1c_get_permanent_address(hw); + if (err) + random_ether_addr(hw->perm_mac_addr); + + memcpy(hw->mac_addr, hw->perm_mac_addr, sizeof(hw->perm_mac_addr)); + return 0; +} + +/* + * atl1c_hash_mc_addr + * purpose + * set hash value for a multicast address + * hash calcu processing : + * 1. calcu 32bit CRC for multicast address + * 2. reverse crc with MSB to LSB + */ +u32 atl1c_hash_mc_addr(struct atl1c_hw *hw, u8 *mc_addr) +{ + u32 crc32; + u32 value = 0; + int i; + + crc32 = ether_crc_le(6, mc_addr); + for (i = 0; i < 32; i++) + value |= (((crc32 >> i) & 1) << (31 - i)); + + return value; +} + +/* + * Sets the bit in the multicast table corresponding to the hash value. + * hw - Struct containing variables accessed by shared code + * hash_value - Multicast address hash value + */ +void atl1c_hash_set(struct atl1c_hw *hw, u32 hash_value) +{ + u32 hash_bit, hash_reg; + u32 mta; + + /* + * The HASH Table is a register array of 2 32-bit registers. + * It is treated like an array of 64 bits. We want to set + * bit BitArray[hash_value]. So we figure out what register + * the bit is in, read it, OR in the new bit, then write + * back the new value. The register is determined by the + * upper bit of the hash value and the bit within that + * register are determined by the lower 5 bits of the value. + */ + hash_reg = (hash_value >> 31) & 0x1; + hash_bit = (hash_value >> 26) & 0x1F; + + mta = AT_READ_REG_ARRAY(hw, REG_RX_HASH_TABLE, hash_reg); + + mta |= (1 << hash_bit); + + AT_WRITE_REG_ARRAY(hw, REG_RX_HASH_TABLE, hash_reg, mta); +} + +/* + * Reads the value from a PHY register + * hw - Struct containing variables accessed by shared code + * reg_addr - address of the PHY register to read + */ +int atl1c_read_phy_reg(struct atl1c_hw *hw, u16 reg_addr, u16 *phy_data) +{ + u32 val; + int i; + + val = ((u32)(reg_addr & MDIO_REG_ADDR_MASK)) << MDIO_REG_ADDR_SHIFT | + MDIO_START | MDIO_SUP_PREAMBLE | MDIO_RW | + MDIO_CLK_25_4 << MDIO_CLK_SEL_SHIFT; + + AT_WRITE_REG(hw, REG_MDIO_CTRL, val); + + for (i = 0; i < MDIO_WAIT_TIMES; i++) { + udelay(2); + AT_READ_REG(hw, REG_MDIO_CTRL, &val); + if (!(val & (MDIO_START | MDIO_BUSY))) + break; + } + if (!(val & (MDIO_START | MDIO_BUSY))) { + *phy_data = (u16)val; + return 0; + } + + return -1; +} + +/* + * Writes a value to a PHY register + * hw - Struct containing variables accessed by shared code + * reg_addr - address of the PHY register to write + * data - data to write to the PHY + */ +int atl1c_write_phy_reg(struct atl1c_hw *hw, u32 reg_addr, u16 phy_data) +{ + int i; + u32 val; + + val = ((u32)(phy_data & MDIO_DATA_MASK)) << MDIO_DATA_SHIFT | + (reg_addr & MDIO_REG_ADDR_MASK) << MDIO_REG_ADDR_SHIFT | + MDIO_SUP_PREAMBLE | MDIO_START | + MDIO_CLK_25_4 << MDIO_CLK_SEL_SHIFT; + + AT_WRITE_REG(hw, REG_MDIO_CTRL, val); + + for (i = 0; i < MDIO_WAIT_TIMES; i++) { + udelay(2); + AT_READ_REG(hw, REG_MDIO_CTRL, &val); + if (!(val & (MDIO_START | MDIO_BUSY))) + break; + } + + if (!(val & (MDIO_START | MDIO_BUSY))) + return 0; + + return -1; +} + +/* + * Configures PHY autoneg and flow control advertisement settings + * + * hw - Struct containing variables accessed by shared code + */ +static int atl1c_phy_setup_adv(struct atl1c_hw *hw) +{ + u16 mii_adv_data = ADVERTISE_DEFAULT_CAP & ~ADVERTISE_ALL; + u16 mii_giga_ctrl_data = GIGA_CR_1000T_DEFAULT_CAP & + ~GIGA_CR_1000T_SPEED_MASK; + + if (hw->autoneg_advertised & ADVERTISED_10baseT_Half) + mii_adv_data |= ADVERTISE_10HALF; + if (hw->autoneg_advertised & ADVERTISED_10baseT_Full) + mii_adv_data |= ADVERTISE_10FULL; + if (hw->autoneg_advertised & ADVERTISED_100baseT_Half) + mii_adv_data |= ADVERTISE_100HALF; + if (hw->autoneg_advertised & ADVERTISED_100baseT_Full) + mii_adv_data |= ADVERTISE_100FULL; + + if (hw->autoneg_advertised & ADVERTISED_Autoneg) + mii_adv_data |= ADVERTISE_10HALF | ADVERTISE_10FULL | + ADVERTISE_100HALF | ADVERTISE_100FULL; + + if (hw->link_cap_flags & ATL1C_LINK_CAP_1000M) { + if (hw->autoneg_advertised & ADVERTISED_1000baseT_Half) + mii_giga_ctrl_data |= ADVERTISE_1000HALF; + if (hw->autoneg_advertised & ADVERTISED_1000baseT_Full) + mii_giga_ctrl_data |= ADVERTISE_1000FULL; + if (hw->autoneg_advertised & ADVERTISED_Autoneg) + mii_giga_ctrl_data |= ADVERTISE_1000HALF | + ADVERTISE_1000FULL; + } + + if (atl1c_write_phy_reg(hw, MII_ADVERTISE, mii_adv_data) != 0 || + atl1c_write_phy_reg(hw, MII_CTRL1000, mii_giga_ctrl_data) != 0) + return -1; + return 0; +} + +void atl1c_phy_disable(struct atl1c_hw *hw) +{ + AT_WRITE_REGW(hw, REG_GPHY_CTRL, + GPHY_CTRL_PW_WOL_DIS | GPHY_CTRL_EXT_RESET); +} + +static void atl1c_phy_magic_data(struct atl1c_hw *hw) +{ + u16 data; + + data = ANA_LOOP_SEL_10BT | ANA_EN_MASK_TB | ANA_EN_10BT_IDLE | + ((1 & ANA_INTERVAL_SEL_TIMER_MASK) << + ANA_INTERVAL_SEL_TIMER_SHIFT); + + atl1c_write_phy_reg(hw, MII_DBG_ADDR, MII_ANA_CTRL_18); + atl1c_write_phy_reg(hw, MII_DBG_DATA, data); + + data = (2 & ANA_SERDES_CDR_BW_MASK) | ANA_MS_PAD_DBG | + ANA_SERDES_EN_DEEM | ANA_SERDES_SEL_HSP | ANA_SERDES_EN_PLL | + ANA_SERDES_EN_LCKDT; + + atl1c_write_phy_reg(hw, MII_DBG_ADDR, MII_ANA_CTRL_5); + atl1c_write_phy_reg(hw, MII_DBG_DATA, data); + + data = (44 & ANA_LONG_CABLE_TH_100_MASK) | + ((33 & ANA_SHORT_CABLE_TH_100_MASK) << + ANA_SHORT_CABLE_TH_100_SHIFT) | ANA_BP_BAD_LINK_ACCUM | + ANA_BP_SMALL_BW; + + atl1c_write_phy_reg(hw, MII_DBG_ADDR, MII_ANA_CTRL_54); + atl1c_write_phy_reg(hw, MII_DBG_DATA, data); + + data = (11 & ANA_IECHO_ADJ_MASK) | ((11 & ANA_IECHO_ADJ_MASK) << + ANA_IECHO_ADJ_2_SHIFT) | ((8 & ANA_IECHO_ADJ_MASK) << + ANA_IECHO_ADJ_1_SHIFT) | ((8 & ANA_IECHO_ADJ_MASK) << + ANA_IECHO_ADJ_0_SHIFT); + + atl1c_write_phy_reg(hw, MII_DBG_ADDR, MII_ANA_CTRL_4); + atl1c_write_phy_reg(hw, MII_DBG_DATA, data); + + data = ANA_RESTART_CAL | ((7 & ANA_MANUL_SWICH_ON_MASK) << + ANA_MANUL_SWICH_ON_SHIFT) | ANA_MAN_ENABLE | + ANA_SEL_HSP | ANA_EN_HB | ANA_OEN_125M; + + atl1c_write_phy_reg(hw, MII_DBG_ADDR, MII_ANA_CTRL_0); + atl1c_write_phy_reg(hw, MII_DBG_DATA, data); + + if (hw->ctrl_flags & ATL1C_HIB_DISABLE) { + atl1c_write_phy_reg(hw, MII_DBG_ADDR, MII_ANA_CTRL_41); + if (atl1c_read_phy_reg(hw, MII_DBG_DATA, &data) != 0) + return; + data &= ~ANA_TOP_PS_EN; + atl1c_write_phy_reg(hw, MII_DBG_DATA, data); + + atl1c_write_phy_reg(hw, MII_DBG_ADDR, MII_ANA_CTRL_11); + if (atl1c_read_phy_reg(hw, MII_DBG_DATA, &data) != 0) + return; + data &= ~ANA_PS_HIB_EN; + atl1c_write_phy_reg(hw, MII_DBG_DATA, data); + } +} + +int atl1c_phy_reset(struct atl1c_hw *hw) +{ + struct atl1c_adapter *adapter = hw->adapter; + struct pci_dev *pdev = adapter->pdev; + u16 phy_data; + u32 phy_ctrl_data = GPHY_CTRL_DEFAULT; + u32 mii_ier_data = IER_LINK_UP | IER_LINK_DOWN; + int err; + + if (hw->ctrl_flags & ATL1C_HIB_DISABLE) + phy_ctrl_data &= ~GPHY_CTRL_HIB_EN; + + AT_WRITE_REG(hw, REG_GPHY_CTRL, phy_ctrl_data); + AT_WRITE_FLUSH(hw); + msleep(40); + phy_ctrl_data |= GPHY_CTRL_EXT_RESET; + AT_WRITE_REG(hw, REG_GPHY_CTRL, phy_ctrl_data); + AT_WRITE_FLUSH(hw); + msleep(10); + + if (hw->nic_type == athr_l2c_b) { + atl1c_write_phy_reg(hw, MII_DBG_ADDR, 0x0A); + atl1c_read_phy_reg(hw, MII_DBG_DATA, &phy_data); + atl1c_write_phy_reg(hw, MII_DBG_DATA, phy_data & 0xDFFF); + } + + if (hw->nic_type == athr_l2c_b || + hw->nic_type == athr_l2c_b2 || + hw->nic_type == athr_l1d || + hw->nic_type == athr_l1d_2) { + atl1c_write_phy_reg(hw, MII_DBG_ADDR, 0x3B); + atl1c_read_phy_reg(hw, MII_DBG_DATA, &phy_data); + atl1c_write_phy_reg(hw, MII_DBG_DATA, phy_data & 0xFFF7); + msleep(20); + } + if (hw->nic_type == athr_l1d) { + atl1c_write_phy_reg(hw, MII_DBG_ADDR, 0x29); + atl1c_write_phy_reg(hw, MII_DBG_DATA, 0x929D); + } + if (hw->nic_type == athr_l1c || hw->nic_type == athr_l2c_b2 + || hw->nic_type == athr_l2c) { + atl1c_write_phy_reg(hw, MII_DBG_ADDR, 0x29); + atl1c_write_phy_reg(hw, MII_DBG_DATA, 0xB6DD); + } + err = atl1c_write_phy_reg(hw, MII_IER, mii_ier_data); + if (err) { + if (netif_msg_hw(adapter)) + dev_err(&pdev->dev, + "Error enable PHY linkChange Interrupt\n"); + return err; + } + if (!(hw->ctrl_flags & ATL1C_FPGA_VERSION)) + atl1c_phy_magic_data(hw); + return 0; +} + +int atl1c_phy_init(struct atl1c_hw *hw) +{ + struct atl1c_adapter *adapter = (struct atl1c_adapter *)hw->adapter; + struct pci_dev *pdev = adapter->pdev; + int ret_val; + u16 mii_bmcr_data = BMCR_RESET; + + if ((atl1c_read_phy_reg(hw, MII_PHYSID1, &hw->phy_id1) != 0) || + (atl1c_read_phy_reg(hw, MII_PHYSID2, &hw->phy_id2) != 0)) { + dev_err(&pdev->dev, "Error get phy ID\n"); + return -1; + } + switch (hw->media_type) { + case MEDIA_TYPE_AUTO_SENSOR: + ret_val = atl1c_phy_setup_adv(hw); + if (ret_val) { + if (netif_msg_link(adapter)) + dev_err(&pdev->dev, + "Error Setting up Auto-Negotiation\n"); + return ret_val; + } + mii_bmcr_data |= BMCR_ANENABLE | BMCR_ANRESTART; + break; + case MEDIA_TYPE_100M_FULL: + mii_bmcr_data |= BMCR_SPEED100 | BMCR_FULLDPLX; + break; + case MEDIA_TYPE_100M_HALF: + mii_bmcr_data |= BMCR_SPEED100; + break; + case MEDIA_TYPE_10M_FULL: + mii_bmcr_data |= BMCR_FULLDPLX; + break; + case MEDIA_TYPE_10M_HALF: + break; + default: + if (netif_msg_link(adapter)) + dev_err(&pdev->dev, "Wrong Media type %d\n", + hw->media_type); + return -1; + break; + } + + ret_val = atl1c_write_phy_reg(hw, MII_BMCR, mii_bmcr_data); + if (ret_val) + return ret_val; + hw->phy_configured = true; + + return 0; +} + +/* + * Detects the current speed and duplex settings of the hardware. + * + * hw - Struct containing variables accessed by shared code + * speed - Speed of the connection + * duplex - Duplex setting of the connection + */ +int atl1c_get_speed_and_duplex(struct atl1c_hw *hw, u16 *speed, u16 *duplex) +{ + int err; + u16 phy_data; + + /* Read PHY Specific Status Register (17) */ + err = atl1c_read_phy_reg(hw, MII_GIGA_PSSR, &phy_data); + if (err) + return err; + + if (!(phy_data & GIGA_PSSR_SPD_DPLX_RESOLVED)) + return -1; + + switch (phy_data & GIGA_PSSR_SPEED) { + case GIGA_PSSR_1000MBS: + *speed = SPEED_1000; + break; + case GIGA_PSSR_100MBS: + *speed = SPEED_100; + break; + case GIGA_PSSR_10MBS: + *speed = SPEED_10; + break; + default: + return -1; + break; + } + + if (phy_data & GIGA_PSSR_DPLX) + *duplex = FULL_DUPLEX; + else + *duplex = HALF_DUPLEX; + + return 0; +} + +int atl1c_phy_power_saving(struct atl1c_hw *hw) +{ + struct atl1c_adapter *adapter = (struct atl1c_adapter *)hw->adapter; + struct pci_dev *pdev = adapter->pdev; + int ret = 0; + u16 autoneg_advertised = ADVERTISED_10baseT_Half; + u16 save_autoneg_advertised; + u16 phy_data; + u16 mii_lpa_data; + u16 speed = SPEED_0; + u16 duplex = FULL_DUPLEX; + int i; + + atl1c_read_phy_reg(hw, MII_BMSR, &phy_data); + atl1c_read_phy_reg(hw, MII_BMSR, &phy_data); + if (phy_data & BMSR_LSTATUS) { + atl1c_read_phy_reg(hw, MII_LPA, &mii_lpa_data); + if (mii_lpa_data & LPA_10FULL) + autoneg_advertised = ADVERTISED_10baseT_Full; + else if (mii_lpa_data & LPA_10HALF) + autoneg_advertised = ADVERTISED_10baseT_Half; + else if (mii_lpa_data & LPA_100HALF) + autoneg_advertised = ADVERTISED_100baseT_Half; + else if (mii_lpa_data & LPA_100FULL) + autoneg_advertised = ADVERTISED_100baseT_Full; + + save_autoneg_advertised = hw->autoneg_advertised; + hw->phy_configured = false; + hw->autoneg_advertised = autoneg_advertised; + if (atl1c_restart_autoneg(hw) != 0) { + dev_dbg(&pdev->dev, "phy autoneg failed\n"); + ret = -1; + } + hw->autoneg_advertised = save_autoneg_advertised; + + if (mii_lpa_data) { + for (i = 0; i < AT_SUSPEND_LINK_TIMEOUT; i++) { + mdelay(100); + atl1c_read_phy_reg(hw, MII_BMSR, &phy_data); + atl1c_read_phy_reg(hw, MII_BMSR, &phy_data); + if (phy_data & BMSR_LSTATUS) { + if (atl1c_get_speed_and_duplex(hw, &speed, + &duplex) != 0) + dev_dbg(&pdev->dev, + "get speed and duplex failed\n"); + break; + } + } + } + } else { + speed = SPEED_10; + duplex = HALF_DUPLEX; + } + adapter->link_speed = speed; + adapter->link_duplex = duplex; + + return ret; +} + +int atl1c_restart_autoneg(struct atl1c_hw *hw) +{ + int err = 0; + u16 mii_bmcr_data = BMCR_RESET; + + err = atl1c_phy_setup_adv(hw); + if (err) + return err; + mii_bmcr_data |= BMCR_ANENABLE | BMCR_ANRESTART; + + return atl1c_write_phy_reg(hw, MII_BMCR, mii_bmcr_data); +} diff --git a/drivers/net/ethernet/atheros/atl1c/atl1c_hw.h b/drivers/net/ethernet/atheros/atl1c/atl1c_hw.h new file mode 100644 index 000000000000..655fc6c4a8a4 --- /dev/null +++ b/drivers/net/ethernet/atheros/atl1c/atl1c_hw.h @@ -0,0 +1,868 @@ +/* + * Copyright(c) 2008 - 2009 Atheros Corporation. All rights reserved. + * + * Derived from Intel e1000 driver + * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., 59 + * Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#ifndef _ATL1C_HW_H_ +#define _ATL1C_HW_H_ + +#include +#include + +struct atl1c_adapter; +struct atl1c_hw; + +/* function prototype */ +void atl1c_phy_disable(struct atl1c_hw *hw); +void atl1c_hw_set_mac_addr(struct atl1c_hw *hw); +int atl1c_phy_reset(struct atl1c_hw *hw); +int atl1c_read_mac_addr(struct atl1c_hw *hw); +int atl1c_get_speed_and_duplex(struct atl1c_hw *hw, u16 *speed, u16 *duplex); +u32 atl1c_hash_mc_addr(struct atl1c_hw *hw, u8 *mc_addr); +void atl1c_hash_set(struct atl1c_hw *hw, u32 hash_value); +int atl1c_read_phy_reg(struct atl1c_hw *hw, u16 reg_addr, u16 *phy_data); +int atl1c_write_phy_reg(struct atl1c_hw *hw, u32 reg_addr, u16 phy_data); +bool atl1c_read_eeprom(struct atl1c_hw *hw, u32 offset, u32 *p_value); +int atl1c_phy_init(struct atl1c_hw *hw); +int atl1c_check_eeprom_exist(struct atl1c_hw *hw); +int atl1c_restart_autoneg(struct atl1c_hw *hw); +int atl1c_phy_power_saving(struct atl1c_hw *hw); +/* register definition */ +#define REG_DEVICE_CAP 0x5C +#define DEVICE_CAP_MAX_PAYLOAD_MASK 0x7 +#define DEVICE_CAP_MAX_PAYLOAD_SHIFT 0 + +#define REG_DEVICE_CTRL 0x60 +#define DEVICE_CTRL_MAX_PAYLOAD_MASK 0x7 +#define DEVICE_CTRL_MAX_PAYLOAD_SHIFT 5 +#define DEVICE_CTRL_MAX_RREQ_SZ_MASK 0x7 +#define DEVICE_CTRL_MAX_RREQ_SZ_SHIFT 12 + +#define REG_LINK_CTRL 0x68 +#define LINK_CTRL_L0S_EN 0x01 +#define LINK_CTRL_L1_EN 0x02 +#define LINK_CTRL_EXT_SYNC 0x80 + +#define REG_VPD_CAP 0x6C +#define VPD_CAP_ID_MASK 0xff +#define VPD_CAP_ID_SHIFT 0 +#define VPD_CAP_NEXT_PTR_MASK 0xFF +#define VPD_CAP_NEXT_PTR_SHIFT 8 +#define VPD_CAP_VPD_ADDR_MASK 0x7FFF +#define VPD_CAP_VPD_ADDR_SHIFT 16 +#define VPD_CAP_VPD_FLAG 0x80000000 + +#define REG_VPD_DATA 0x70 + +#define REG_PCIE_UC_SEVERITY 0x10C +#define PCIE_UC_SERVRITY_TRN 0x00000001 +#define PCIE_UC_SERVRITY_DLP 0x00000010 +#define PCIE_UC_SERVRITY_PSN_TLP 0x00001000 +#define PCIE_UC_SERVRITY_FCP 0x00002000 +#define PCIE_UC_SERVRITY_CPL_TO 0x00004000 +#define PCIE_UC_SERVRITY_CA 0x00008000 +#define PCIE_UC_SERVRITY_UC 0x00010000 +#define PCIE_UC_SERVRITY_ROV 0x00020000 +#define PCIE_UC_SERVRITY_MLFP 0x00040000 +#define PCIE_UC_SERVRITY_ECRC 0x00080000 +#define PCIE_UC_SERVRITY_UR 0x00100000 + +#define REG_DEV_SERIALNUM_CTRL 0x200 +#define REG_DEV_MAC_SEL_MASK 0x0 /* 0:EUI; 1:MAC */ +#define REG_DEV_MAC_SEL_SHIFT 0 +#define REG_DEV_SERIAL_NUM_EN_MASK 0x1 +#define REG_DEV_SERIAL_NUM_EN_SHIFT 1 + +#define REG_TWSI_CTRL 0x218 +#define TWSI_CTRL_LD_OFFSET_MASK 0xFF +#define TWSI_CTRL_LD_OFFSET_SHIFT 0 +#define TWSI_CTRL_LD_SLV_ADDR_MASK 0x7 +#define TWSI_CTRL_LD_SLV_ADDR_SHIFT 8 +#define TWSI_CTRL_SW_LDSTART 0x800 +#define TWSI_CTRL_HW_LDSTART 0x1000 +#define TWSI_CTRL_SMB_SLV_ADDR_MASK 0x7F +#define TWSI_CTRL_SMB_SLV_ADDR_SHIFT 15 +#define TWSI_CTRL_LD_EXIST 0x400000 +#define TWSI_CTRL_READ_FREQ_SEL_MASK 0x3 +#define TWSI_CTRL_READ_FREQ_SEL_SHIFT 23 +#define TWSI_CTRL_FREQ_SEL_100K 0 +#define TWSI_CTRL_FREQ_SEL_200K 1 +#define TWSI_CTRL_FREQ_SEL_300K 2 +#define TWSI_CTRL_FREQ_SEL_400K 3 +#define TWSI_CTRL_SMB_SLV_ADDR +#define TWSI_CTRL_WRITE_FREQ_SEL_MASK 0x3 +#define TWSI_CTRL_WRITE_FREQ_SEL_SHIFT 24 + + +#define REG_PCIE_DEV_MISC_CTRL 0x21C +#define PCIE_DEV_MISC_EXT_PIPE 0x2 +#define PCIE_DEV_MISC_RETRY_BUFDIS 0x1 +#define PCIE_DEV_MISC_SPIROM_EXIST 0x4 +#define PCIE_DEV_MISC_SERDES_ENDIAN 0x8 +#define PCIE_DEV_MISC_SERDES_SEL_DIN 0x10 + +#define REG_PCIE_PHYMISC 0x1000 +#define PCIE_PHYMISC_FORCE_RCV_DET 0x4 + +#define REG_PCIE_PHYMISC2 0x1004 +#define PCIE_PHYMISC2_SERDES_CDR_MASK 0x3 +#define PCIE_PHYMISC2_SERDES_CDR_SHIFT 16 +#define PCIE_PHYMISC2_SERDES_TH_MASK 0x3 +#define PCIE_PHYMISC2_SERDES_TH_SHIFT 18 + +#define REG_TWSI_DEBUG 0x1108 +#define TWSI_DEBUG_DEV_EXIST 0x20000000 + +#define REG_EEPROM_CTRL 0x12C0 +#define EEPROM_CTRL_DATA_HI_MASK 0xFFFF +#define EEPROM_CTRL_DATA_HI_SHIFT 0 +#define EEPROM_CTRL_ADDR_MASK 0x3FF +#define EEPROM_CTRL_ADDR_SHIFT 16 +#define EEPROM_CTRL_ACK 0x40000000 +#define EEPROM_CTRL_RW 0x80000000 + +#define REG_EEPROM_DATA_LO 0x12C4 + +#define REG_OTP_CTRL 0x12F0 +#define OTP_CTRL_CLK_EN 0x0002 + +#define REG_PM_CTRL 0x12F8 +#define PM_CTRL_SDES_EN 0x00000001 +#define PM_CTRL_RBER_EN 0x00000002 +#define PM_CTRL_CLK_REQ_EN 0x00000004 +#define PM_CTRL_ASPM_L1_EN 0x00000008 +#define PM_CTRL_SERDES_L1_EN 0x00000010 +#define PM_CTRL_SERDES_PLL_L1_EN 0x00000020 +#define PM_CTRL_SERDES_PD_EX_L1 0x00000040 +#define PM_CTRL_SERDES_BUDS_RX_L1_EN 0x00000080 +#define PM_CTRL_L0S_ENTRY_TIMER_MASK 0xF +#define PM_CTRL_L0S_ENTRY_TIMER_SHIFT 8 +#define PM_CTRL_ASPM_L0S_EN 0x00001000 +#define PM_CTRL_CLK_SWH_L1 0x00002000 +#define PM_CTRL_CLK_PWM_VER1_1 0x00004000 +#define PM_CTRL_RCVR_WT_TIMER 0x00008000 +#define PM_CTRL_L1_ENTRY_TIMER_MASK 0xF +#define PM_CTRL_L1_ENTRY_TIMER_SHIFT 16 +#define PM_CTRL_PM_REQ_TIMER_MASK 0xF +#define PM_CTRL_PM_REQ_TIMER_SHIFT 20 +#define PM_CTRL_LCKDET_TIMER_MASK 0xF +#define PM_CTRL_LCKDET_TIMER_SHIFT 24 +#define PM_CTRL_EN_BUFS_RX_L0S 0x10000000 +#define PM_CTRL_SA_DLY_EN 0x20000000 +#define PM_CTRL_MAC_ASPM_CHK 0x40000000 +#define PM_CTRL_HOTRST 0x80000000 + +#define REG_LTSSM_ID_CTRL 0x12FC +#define LTSSM_ID_EN_WRO 0x1000 +/* Selene Master Control Register */ +#define REG_MASTER_CTRL 0x1400 +#define MASTER_CTRL_SOFT_RST 0x1 +#define MASTER_CTRL_TEST_MODE_MASK 0x3 +#define MASTER_CTRL_TEST_MODE_SHIFT 2 +#define MASTER_CTRL_BERT_START 0x10 +#define MASTER_CTRL_OOB_DIS_OFF 0x40 +#define MASTER_CTRL_SA_TIMER_EN 0x80 +#define MASTER_CTRL_MTIMER_EN 0x100 +#define MASTER_CTRL_MANUAL_INT 0x200 +#define MASTER_CTRL_TX_ITIMER_EN 0x400 +#define MASTER_CTRL_RX_ITIMER_EN 0x800 +#define MASTER_CTRL_CLK_SEL_DIS 0x1000 +#define MASTER_CTRL_CLK_SWH_MODE 0x2000 +#define MASTER_CTRL_INT_RDCLR 0x4000 +#define MASTER_CTRL_REV_NUM_SHIFT 16 +#define MASTER_CTRL_REV_NUM_MASK 0xff +#define MASTER_CTRL_DEV_ID_SHIFT 24 +#define MASTER_CTRL_DEV_ID_MASK 0x7f +#define MASTER_CTRL_OTP_SEL 0x80000000 + +/* Timer Initial Value Register */ +#define REG_MANUAL_TIMER_INIT 0x1404 + +/* IRQ ModeratorTimer Initial Value Register */ +#define REG_IRQ_MODRT_TIMER_INIT 0x1408 +#define IRQ_MODRT_TIMER_MASK 0xffff +#define IRQ_MODRT_TX_TIMER_SHIFT 0 +#define IRQ_MODRT_RX_TIMER_SHIFT 16 + +#define REG_GPHY_CTRL 0x140C +#define GPHY_CTRL_EXT_RESET 0x1 +#define GPHY_CTRL_RTL_MODE 0x2 +#define GPHY_CTRL_LED_MODE 0x4 +#define GPHY_CTRL_ANEG_NOW 0x8 +#define GPHY_CTRL_REV_ANEG 0x10 +#define GPHY_CTRL_GATE_25M_EN 0x20 +#define GPHY_CTRL_LPW_EXIT 0x40 +#define GPHY_CTRL_PHY_IDDQ 0x80 +#define GPHY_CTRL_PHY_IDDQ_DIS 0x100 +#define GPHY_CTRL_GIGA_DIS 0x200 +#define GPHY_CTRL_HIB_EN 0x400 +#define GPHY_CTRL_HIB_PULSE 0x800 +#define GPHY_CTRL_SEL_ANA_RST 0x1000 +#define GPHY_CTRL_PHY_PLL_ON 0x2000 +#define GPHY_CTRL_PWDOWN_HW 0x4000 +#define GPHY_CTRL_PHY_PLL_BYPASS 0x8000 + +#define GPHY_CTRL_DEFAULT ( \ + GPHY_CTRL_SEL_ANA_RST |\ + GPHY_CTRL_HIB_PULSE |\ + GPHY_CTRL_HIB_EN) + +#define GPHY_CTRL_PW_WOL_DIS ( \ + GPHY_CTRL_SEL_ANA_RST |\ + GPHY_CTRL_HIB_PULSE |\ + GPHY_CTRL_HIB_EN |\ + GPHY_CTRL_PWDOWN_HW |\ + GPHY_CTRL_PHY_IDDQ) + +#define GPHY_CTRL_POWER_SAVING ( \ + GPHY_CTRL_SEL_ANA_RST |\ + GPHY_CTRL_HIB_EN |\ + GPHY_CTRL_HIB_PULSE |\ + GPHY_CTRL_PWDOWN_HW |\ + GPHY_CTRL_PHY_IDDQ) +/* Block IDLE Status Register */ +#define REG_IDLE_STATUS 0x1410 +#define IDLE_STATUS_MASK 0x00FF +#define IDLE_STATUS_RXMAC_NO_IDLE 0x1 +#define IDLE_STATUS_TXMAC_NO_IDLE 0x2 +#define IDLE_STATUS_RXQ_NO_IDLE 0x4 +#define IDLE_STATUS_TXQ_NO_IDLE 0x8 +#define IDLE_STATUS_DMAR_NO_IDLE 0x10 +#define IDLE_STATUS_DMAW_NO_IDLE 0x20 +#define IDLE_STATUS_SMB_NO_IDLE 0x40 +#define IDLE_STATUS_CMB_NO_IDLE 0x80 + +/* MDIO Control Register */ +#define REG_MDIO_CTRL 0x1414 +#define MDIO_DATA_MASK 0xffff /* On MDIO write, the 16-bit + * control data to write to PHY + * MII management register */ +#define MDIO_DATA_SHIFT 0 /* On MDIO read, the 16-bit + * status data that was read + * from the PHY MII management register */ +#define MDIO_REG_ADDR_MASK 0x1f /* MDIO register address */ +#define MDIO_REG_ADDR_SHIFT 16 +#define MDIO_RW 0x200000 /* 1: read, 0: write */ +#define MDIO_SUP_PREAMBLE 0x400000 /* Suppress preamble */ +#define MDIO_START 0x800000 /* Write 1 to initiate the MDIO + * master. And this bit is self + * cleared after one cycle */ +#define MDIO_CLK_SEL_SHIFT 24 +#define MDIO_CLK_25_4 0 +#define MDIO_CLK_25_6 2 +#define MDIO_CLK_25_8 3 +#define MDIO_CLK_25_10 4 +#define MDIO_CLK_25_14 5 +#define MDIO_CLK_25_20 6 +#define MDIO_CLK_25_28 7 +#define MDIO_BUSY 0x8000000 +#define MDIO_AP_EN 0x10000000 +#define MDIO_WAIT_TIMES 10 + +/* MII PHY Status Register */ +#define REG_PHY_STATUS 0x1418 +#define PHY_GENERAL_STATUS_MASK 0xFFFF +#define PHY_STATUS_RECV_ENABLE 0x0001 +#define PHY_OE_PWSP_STATUS_MASK 0x07FF +#define PHY_OE_PWSP_STATUS_SHIFT 16 +#define PHY_STATUS_LPW_STATE 0x80000000 +/* BIST Control and Status Register0 (for the Packet Memory) */ +#define REG_BIST0_CTRL 0x141c +#define BIST0_NOW 0x1 +#define BIST0_SRAM_FAIL 0x2 /* 1: The SRAM failure is + * un-repairable because + * it has address decoder + * failure or more than 1 cell + * stuck-to-x failure */ +#define BIST0_FUSE_FLAG 0x4 + +/* BIST Control and Status Register1(for the retry buffer of PCI Express) */ +#define REG_BIST1_CTRL 0x1420 +#define BIST1_NOW 0x1 +#define BIST1_SRAM_FAIL 0x2 +#define BIST1_FUSE_FLAG 0x4 + +/* SerDes Lock Detect Control and Status Register */ +#define REG_SERDES_LOCK 0x1424 +#define SERDES_LOCK_DETECT 0x1 /* SerDes lock detected. This signal + * comes from Analog SerDes */ +#define SERDES_LOCK_DETECT_EN 0x2 /* 1: Enable SerDes Lock detect function */ +#define SERDES_LOCK_STS_SELFB_PLL_SHIFT 0xE +#define SERDES_LOCK_STS_SELFB_PLL_MASK 0x3 +#define SERDES_OVCLK_18_25 0x0 +#define SERDES_OVCLK_12_18 0x1 +#define SERDES_OVCLK_0_4 0x2 +#define SERDES_OVCLK_4_12 0x3 +#define SERDES_MAC_CLK_SLOWDOWN 0x20000 +#define SERDES_PYH_CLK_SLOWDOWN 0x40000 + +/* MAC Control Register */ +#define REG_MAC_CTRL 0x1480 +#define MAC_CTRL_TX_EN 0x1 +#define MAC_CTRL_RX_EN 0x2 +#define MAC_CTRL_TX_FLOW 0x4 +#define MAC_CTRL_RX_FLOW 0x8 +#define MAC_CTRL_LOOPBACK 0x10 +#define MAC_CTRL_DUPLX 0x20 +#define MAC_CTRL_ADD_CRC 0x40 +#define MAC_CTRL_PAD 0x80 +#define MAC_CTRL_LENCHK 0x100 +#define MAC_CTRL_HUGE_EN 0x200 +#define MAC_CTRL_PRMLEN_SHIFT 10 +#define MAC_CTRL_PRMLEN_MASK 0xf +#define MAC_CTRL_RMV_VLAN 0x4000 +#define MAC_CTRL_PROMIS_EN 0x8000 +#define MAC_CTRL_TX_PAUSE 0x10000 +#define MAC_CTRL_SCNT 0x20000 +#define MAC_CTRL_SRST_TX 0x40000 +#define MAC_CTRL_TX_SIMURST 0x80000 +#define MAC_CTRL_SPEED_SHIFT 20 +#define MAC_CTRL_SPEED_MASK 0x3 +#define MAC_CTRL_DBG_TX_BKPRESURE 0x400000 +#define MAC_CTRL_TX_HUGE 0x800000 +#define MAC_CTRL_RX_CHKSUM_EN 0x1000000 +#define MAC_CTRL_MC_ALL_EN 0x2000000 +#define MAC_CTRL_BC_EN 0x4000000 +#define MAC_CTRL_DBG 0x8000000 +#define MAC_CTRL_SINGLE_PAUSE_EN 0x10000000 +#define MAC_CTRL_HASH_ALG_CRC32 0x20000000 +#define MAC_CTRL_SPEED_MODE_SW 0x40000000 + +/* MAC IPG/IFG Control Register */ +#define REG_MAC_IPG_IFG 0x1484 +#define MAC_IPG_IFG_IPGT_SHIFT 0 /* Desired back to back + * inter-packet gap. The + * default is 96-bit time */ +#define MAC_IPG_IFG_IPGT_MASK 0x7f +#define MAC_IPG_IFG_MIFG_SHIFT 8 /* Minimum number of IFG to + * enforce in between RX frames */ +#define MAC_IPG_IFG_MIFG_MASK 0xff /* Frame gap below such IFP is dropped */ +#define MAC_IPG_IFG_IPGR1_SHIFT 16 /* 64bit Carrier-Sense window */ +#define MAC_IPG_IFG_IPGR1_MASK 0x7f +#define MAC_IPG_IFG_IPGR2_SHIFT 24 /* 96-bit IPG window */ +#define MAC_IPG_IFG_IPGR2_MASK 0x7f + +/* MAC STATION ADDRESS */ +#define REG_MAC_STA_ADDR 0x1488 + +/* Hash table for multicast address */ +#define REG_RX_HASH_TABLE 0x1490 + +/* MAC Half-Duplex Control Register */ +#define REG_MAC_HALF_DUPLX_CTRL 0x1498 +#define MAC_HALF_DUPLX_CTRL_LCOL_SHIFT 0 /* Collision Window */ +#define MAC_HALF_DUPLX_CTRL_LCOL_MASK 0x3ff +#define MAC_HALF_DUPLX_CTRL_RETRY_SHIFT 12 +#define MAC_HALF_DUPLX_CTRL_RETRY_MASK 0xf +#define MAC_HALF_DUPLX_CTRL_EXC_DEF_EN 0x10000 +#define MAC_HALF_DUPLX_CTRL_NO_BACK_C 0x20000 +#define MAC_HALF_DUPLX_CTRL_NO_BACK_P 0x40000 /* No back-off on backpressure, + * immediately start the + * transmission after back pressure */ +#define MAC_HALF_DUPLX_CTRL_ABEBE 0x80000 /* 1: Alternative Binary Exponential Back-off Enabled */ +#define MAC_HALF_DUPLX_CTRL_ABEBT_SHIFT 20 /* Maximum binary exponential number */ +#define MAC_HALF_DUPLX_CTRL_ABEBT_MASK 0xf +#define MAC_HALF_DUPLX_CTRL_JAMIPG_SHIFT 24 /* IPG to start JAM for collision based flow control in half-duplex */ +#define MAC_HALF_DUPLX_CTRL_JAMIPG_MASK 0xf /* mode. In unit of 8-bit time */ + +/* Maximum Frame Length Control Register */ +#define REG_MTU 0x149c + +/* Wake-On-Lan control register */ +#define REG_WOL_CTRL 0x14a0 +#define WOL_PATTERN_EN 0x00000001 +#define WOL_PATTERN_PME_EN 0x00000002 +#define WOL_MAGIC_EN 0x00000004 +#define WOL_MAGIC_PME_EN 0x00000008 +#define WOL_LINK_CHG_EN 0x00000010 +#define WOL_LINK_CHG_PME_EN 0x00000020 +#define WOL_PATTERN_ST 0x00000100 +#define WOL_MAGIC_ST 0x00000200 +#define WOL_LINKCHG_ST 0x00000400 +#define WOL_CLK_SWITCH_EN 0x00008000 +#define WOL_PT0_EN 0x00010000 +#define WOL_PT1_EN 0x00020000 +#define WOL_PT2_EN 0x00040000 +#define WOL_PT3_EN 0x00080000 +#define WOL_PT4_EN 0x00100000 +#define WOL_PT5_EN 0x00200000 +#define WOL_PT6_EN 0x00400000 + +/* WOL Length ( 2 DWORD ) */ +#define REG_WOL_PATTERN_LEN 0x14a4 +#define WOL_PT_LEN_MASK 0x7f +#define WOL_PT0_LEN_SHIFT 0 +#define WOL_PT1_LEN_SHIFT 8 +#define WOL_PT2_LEN_SHIFT 16 +#define WOL_PT3_LEN_SHIFT 24 +#define WOL_PT4_LEN_SHIFT 0 +#define WOL_PT5_LEN_SHIFT 8 +#define WOL_PT6_LEN_SHIFT 16 + +/* Internal SRAM Partition Register */ +#define RFDX_HEAD_ADDR_MASK 0x03FF +#define RFDX_HARD_ADDR_SHIFT 0 +#define RFDX_TAIL_ADDR_MASK 0x03FF +#define RFDX_TAIL_ADDR_SHIFT 16 + +#define REG_SRAM_RFD0_INFO 0x1500 +#define REG_SRAM_RFD1_INFO 0x1504 +#define REG_SRAM_RFD2_INFO 0x1508 +#define REG_SRAM_RFD3_INFO 0x150C + +#define REG_RFD_NIC_LEN 0x1510 /* In 8-bytes */ +#define RFD_NIC_LEN_MASK 0x03FF + +#define REG_SRAM_TRD_ADDR 0x1518 +#define TPD_HEAD_ADDR_MASK 0x03FF +#define TPD_HEAD_ADDR_SHIFT 0 +#define TPD_TAIL_ADDR_MASK 0x03FF +#define TPD_TAIL_ADDR_SHIFT 16 + +#define REG_SRAM_TRD_LEN 0x151C /* In 8-bytes */ +#define TPD_NIC_LEN_MASK 0x03FF + +#define REG_SRAM_RXF_ADDR 0x1520 +#define REG_SRAM_RXF_LEN 0x1524 +#define REG_SRAM_TXF_ADDR 0x1528 +#define REG_SRAM_TXF_LEN 0x152C +#define REG_SRAM_TCPH_ADDR 0x1530 +#define REG_SRAM_PKTH_ADDR 0x1532 + +/* + * Load Ptr Register + * Software sets this bit after the initialization of the head and tail */ +#define REG_LOAD_PTR 0x1534 + +/* + * addresses of all descriptors, as well as the following descriptor + * control register, which triggers each function block to load the head + * pointer to prepare for the operation. This bit is then self-cleared + * after one cycle. + */ +#define REG_RX_BASE_ADDR_HI 0x1540 +#define REG_TX_BASE_ADDR_HI 0x1544 +#define REG_SMB_BASE_ADDR_HI 0x1548 +#define REG_SMB_BASE_ADDR_LO 0x154C +#define REG_RFD0_HEAD_ADDR_LO 0x1550 +#define REG_RFD1_HEAD_ADDR_LO 0x1554 +#define REG_RFD2_HEAD_ADDR_LO 0x1558 +#define REG_RFD3_HEAD_ADDR_LO 0x155C +#define REG_RFD_RING_SIZE 0x1560 +#define RFD_RING_SIZE_MASK 0x0FFF +#define REG_RX_BUF_SIZE 0x1564 +#define RX_BUF_SIZE_MASK 0xFFFF +#define REG_RRD0_HEAD_ADDR_LO 0x1568 +#define REG_RRD1_HEAD_ADDR_LO 0x156C +#define REG_RRD2_HEAD_ADDR_LO 0x1570 +#define REG_RRD3_HEAD_ADDR_LO 0x1574 +#define REG_RRD_RING_SIZE 0x1578 +#define RRD_RING_SIZE_MASK 0x0FFF +#define REG_HTPD_HEAD_ADDR_LO 0x157C +#define REG_NTPD_HEAD_ADDR_LO 0x1580 +#define REG_TPD_RING_SIZE 0x1584 +#define TPD_RING_SIZE_MASK 0xFFFF +#define REG_CMB_BASE_ADDR_LO 0x1588 + +/* RSS about */ +#define REG_RSS_KEY0 0x14B0 +#define REG_RSS_KEY1 0x14B4 +#define REG_RSS_KEY2 0x14B8 +#define REG_RSS_KEY3 0x14BC +#define REG_RSS_KEY4 0x14C0 +#define REG_RSS_KEY5 0x14C4 +#define REG_RSS_KEY6 0x14C8 +#define REG_RSS_KEY7 0x14CC +#define REG_RSS_KEY8 0x14D0 +#define REG_RSS_KEY9 0x14D4 +#define REG_IDT_TABLE0 0x14E0 +#define REG_IDT_TABLE1 0x14E4 +#define REG_IDT_TABLE2 0x14E8 +#define REG_IDT_TABLE3 0x14EC +#define REG_IDT_TABLE4 0x14F0 +#define REG_IDT_TABLE5 0x14F4 +#define REG_IDT_TABLE6 0x14F8 +#define REG_IDT_TABLE7 0x14FC +#define REG_IDT_TABLE REG_IDT_TABLE0 +#define REG_RSS_HASH_VALUE 0x15B0 +#define REG_RSS_HASH_FLAG 0x15B4 +#define REG_BASE_CPU_NUMBER 0x15B8 + +/* TXQ Control Register */ +#define REG_TXQ_CTRL 0x1590 +#define TXQ_NUM_TPD_BURST_MASK 0xF +#define TXQ_NUM_TPD_BURST_SHIFT 0 +#define TXQ_CTRL_IP_OPTION_EN 0x10 +#define TXQ_CTRL_EN 0x20 +#define TXQ_CTRL_ENH_MODE 0x40 +#define TXQ_CTRL_LS_8023_EN 0x80 +#define TXQ_TXF_BURST_NUM_SHIFT 16 +#define TXQ_TXF_BURST_NUM_MASK 0xFFFF + +/* Jumbo packet Threshold for task offload */ +#define REG_TX_TSO_OFFLOAD_THRESH 0x1594 /* In 8-bytes */ +#define TX_TSO_OFFLOAD_THRESH_MASK 0x07FF + +#define REG_TXF_WATER_MARK 0x1598 /* In 8-bytes */ +#define TXF_WATER_MARK_MASK 0x0FFF +#define TXF_LOW_WATER_MARK_SHIFT 0 +#define TXF_HIGH_WATER_MARK_SHIFT 16 +#define TXQ_CTRL_BURST_MODE_EN 0x80000000 + +#define REG_THRUPUT_MON_CTRL 0x159C +#define THRUPUT_MON_RATE_MASK 0x3 +#define THRUPUT_MON_RATE_SHIFT 0 +#define THRUPUT_MON_EN 0x80 + +/* RXQ Control Register */ +#define REG_RXQ_CTRL 0x15A0 +#define ASPM_THRUPUT_LIMIT_MASK 0x3 +#define ASPM_THRUPUT_LIMIT_SHIFT 0 +#define ASPM_THRUPUT_LIMIT_NO 0x00 +#define ASPM_THRUPUT_LIMIT_1M 0x01 +#define ASPM_THRUPUT_LIMIT_10M 0x02 +#define ASPM_THRUPUT_LIMIT_100M 0x04 +#define RXQ1_CTRL_EN 0x10 +#define RXQ2_CTRL_EN 0x20 +#define RXQ3_CTRL_EN 0x40 +#define IPV6_CHKSUM_CTRL_EN 0x80 +#define RSS_HASH_BITS_MASK 0x00FF +#define RSS_HASH_BITS_SHIFT 8 +#define RSS_HASH_IPV4 0x10000 +#define RSS_HASH_IPV4_TCP 0x20000 +#define RSS_HASH_IPV6 0x40000 +#define RSS_HASH_IPV6_TCP 0x80000 +#define RXQ_RFD_BURST_NUM_MASK 0x003F +#define RXQ_RFD_BURST_NUM_SHIFT 20 +#define RSS_MODE_MASK 0x0003 +#define RSS_MODE_SHIFT 26 +#define RSS_NIP_QUEUE_SEL_MASK 0x1 +#define RSS_NIP_QUEUE_SEL_SHIFT 28 +#define RRS_HASH_CTRL_EN 0x20000000 +#define RX_CUT_THRU_EN 0x40000000 +#define RXQ_CTRL_EN 0x80000000 + +#define REG_RFD_FREE_THRESH 0x15A4 +#define RFD_FREE_THRESH_MASK 0x003F +#define RFD_FREE_HI_THRESH_SHIFT 0 +#define RFD_FREE_LO_THRESH_SHIFT 6 + +/* RXF flow control register */ +#define REG_RXQ_RXF_PAUSE_THRESH 0x15A8 +#define RXQ_RXF_PAUSE_TH_HI_SHIFT 0 +#define RXQ_RXF_PAUSE_TH_HI_MASK 0x0FFF +#define RXQ_RXF_PAUSE_TH_LO_SHIFT 16 +#define RXQ_RXF_PAUSE_TH_LO_MASK 0x0FFF + +#define REG_RXD_DMA_CTRL 0x15AC +#define RXD_DMA_THRESH_MASK 0x0FFF /* In 8-bytes */ +#define RXD_DMA_THRESH_SHIFT 0 +#define RXD_DMA_DOWN_TIMER_MASK 0xFFFF +#define RXD_DMA_DOWN_TIMER_SHIFT 16 + +/* DMA Engine Control Register */ +#define REG_DMA_CTRL 0x15C0 +#define DMA_CTRL_DMAR_IN_ORDER 0x1 +#define DMA_CTRL_DMAR_ENH_ORDER 0x2 +#define DMA_CTRL_DMAR_OUT_ORDER 0x4 +#define DMA_CTRL_RCB_VALUE 0x8 +#define DMA_CTRL_DMAR_BURST_LEN_MASK 0x0007 +#define DMA_CTRL_DMAR_BURST_LEN_SHIFT 4 +#define DMA_CTRL_DMAW_BURST_LEN_MASK 0x0007 +#define DMA_CTRL_DMAW_BURST_LEN_SHIFT 7 +#define DMA_CTRL_DMAR_REQ_PRI 0x400 +#define DMA_CTRL_DMAR_DLY_CNT_MASK 0x001F +#define DMA_CTRL_DMAR_DLY_CNT_SHIFT 11 +#define DMA_CTRL_DMAW_DLY_CNT_MASK 0x000F +#define DMA_CTRL_DMAW_DLY_CNT_SHIFT 16 +#define DMA_CTRL_CMB_EN 0x100000 +#define DMA_CTRL_SMB_EN 0x200000 +#define DMA_CTRL_CMB_NOW 0x400000 +#define MAC_CTRL_SMB_DIS 0x1000000 +#define DMA_CTRL_SMB_NOW 0x80000000 + +/* CMB/SMB Control Register */ +#define REG_SMB_STAT_TIMER 0x15C4 /* 2us resolution */ +#define SMB_STAT_TIMER_MASK 0xFFFFFF +#define REG_CMB_TPD_THRESH 0x15C8 +#define CMB_TPD_THRESH_MASK 0xFFFF +#define REG_CMB_TX_TIMER 0x15CC /* 2us resolution */ +#define CMB_TX_TIMER_MASK 0xFFFF + +/* Mail box */ +#define MB_RFDX_PROD_IDX_MASK 0xFFFF +#define REG_MB_RFD0_PROD_IDX 0x15E0 +#define REG_MB_RFD1_PROD_IDX 0x15E4 +#define REG_MB_RFD2_PROD_IDX 0x15E8 +#define REG_MB_RFD3_PROD_IDX 0x15EC + +#define MB_PRIO_PROD_IDX_MASK 0xFFFF +#define REG_MB_PRIO_PROD_IDX 0x15F0 +#define MB_HTPD_PROD_IDX_SHIFT 0 +#define MB_NTPD_PROD_IDX_SHIFT 16 + +#define MB_PRIO_CONS_IDX_MASK 0xFFFF +#define REG_MB_PRIO_CONS_IDX 0x15F4 +#define MB_HTPD_CONS_IDX_SHIFT 0 +#define MB_NTPD_CONS_IDX_SHIFT 16 + +#define REG_MB_RFD01_CONS_IDX 0x15F8 +#define MB_RFD0_CONS_IDX_MASK 0x0000FFFF +#define MB_RFD1_CONS_IDX_MASK 0xFFFF0000 +#define REG_MB_RFD23_CONS_IDX 0x15FC +#define MB_RFD2_CONS_IDX_MASK 0x0000FFFF +#define MB_RFD3_CONS_IDX_MASK 0xFFFF0000 + +/* Interrupt Status Register */ +#define REG_ISR 0x1600 +#define ISR_SMB 0x00000001 +#define ISR_TIMER 0x00000002 +/* + * Software manual interrupt, for debug. Set when SW_MAN_INT_EN is set + * in Table 51 Selene Master Control Register (Offset 0x1400). + */ +#define ISR_MANUAL 0x00000004 +#define ISR_HW_RXF_OV 0x00000008 /* RXF overflow interrupt */ +#define ISR_RFD0_UR 0x00000010 /* RFD0 under run */ +#define ISR_RFD1_UR 0x00000020 +#define ISR_RFD2_UR 0x00000040 +#define ISR_RFD3_UR 0x00000080 +#define ISR_TXF_UR 0x00000100 +#define ISR_DMAR_TO_RST 0x00000200 +#define ISR_DMAW_TO_RST 0x00000400 +#define ISR_TX_CREDIT 0x00000800 +#define ISR_GPHY 0x00001000 +/* GPHY low power state interrupt */ +#define ISR_GPHY_LPW 0x00002000 +#define ISR_TXQ_TO_RST 0x00004000 +#define ISR_TX_PKT 0x00008000 +#define ISR_RX_PKT_0 0x00010000 +#define ISR_RX_PKT_1 0x00020000 +#define ISR_RX_PKT_2 0x00040000 +#define ISR_RX_PKT_3 0x00080000 +#define ISR_MAC_RX 0x00100000 +#define ISR_MAC_TX 0x00200000 +#define ISR_UR_DETECTED 0x00400000 +#define ISR_FERR_DETECTED 0x00800000 +#define ISR_NFERR_DETECTED 0x01000000 +#define ISR_CERR_DETECTED 0x02000000 +#define ISR_PHY_LINKDOWN 0x04000000 +#define ISR_DIS_INT 0x80000000 + +/* Interrupt Mask Register */ +#define REG_IMR 0x1604 + +#define IMR_NORMAL_MASK (\ + ISR_MANUAL |\ + ISR_HW_RXF_OV |\ + ISR_RFD0_UR |\ + ISR_TXF_UR |\ + ISR_DMAR_TO_RST |\ + ISR_TXQ_TO_RST |\ + ISR_DMAW_TO_RST |\ + ISR_GPHY |\ + ISR_TX_PKT |\ + ISR_RX_PKT_0 |\ + ISR_GPHY_LPW |\ + ISR_PHY_LINKDOWN) + +#define ISR_RX_PKT (\ + ISR_RX_PKT_0 |\ + ISR_RX_PKT_1 |\ + ISR_RX_PKT_2 |\ + ISR_RX_PKT_3) + +#define ISR_OVER (\ + ISR_RFD0_UR |\ + ISR_RFD1_UR |\ + ISR_RFD2_UR |\ + ISR_RFD3_UR |\ + ISR_HW_RXF_OV |\ + ISR_TXF_UR) + +#define ISR_ERROR (\ + ISR_DMAR_TO_RST |\ + ISR_TXQ_TO_RST |\ + ISR_DMAW_TO_RST |\ + ISR_PHY_LINKDOWN) + +#define REG_INT_RETRIG_TIMER 0x1608 +#define INT_RETRIG_TIMER_MASK 0xFFFF + +#define REG_HDS_CTRL 0x160C +#define HDS_CTRL_EN 0x0001 +#define HDS_CTRL_BACKFILLSIZE_SHIFT 8 +#define HDS_CTRL_BACKFILLSIZE_MASK 0x0FFF +#define HDS_CTRL_MAX_HDRSIZE_SHIFT 20 +#define HDS_CTRL_MAC_HDRSIZE_MASK 0x0FFF + +#define REG_MAC_RX_STATUS_BIN 0x1700 +#define REG_MAC_RX_STATUS_END 0x175c +#define REG_MAC_TX_STATUS_BIN 0x1760 +#define REG_MAC_TX_STATUS_END 0x17c0 + +#define REG_CLK_GATING_CTRL 0x1814 +#define CLK_GATING_DMAW_EN 0x0001 +#define CLK_GATING_DMAR_EN 0x0002 +#define CLK_GATING_TXQ_EN 0x0004 +#define CLK_GATING_RXQ_EN 0x0008 +#define CLK_GATING_TXMAC_EN 0x0010 +#define CLK_GATING_RXMAC_EN 0x0020 + +#define CLK_GATING_EN_ALL (CLK_GATING_DMAW_EN |\ + CLK_GATING_DMAR_EN |\ + CLK_GATING_TXQ_EN |\ + CLK_GATING_RXQ_EN |\ + CLK_GATING_TXMAC_EN|\ + CLK_GATING_RXMAC_EN) + +/* DEBUG ADDR */ +#define REG_DEBUG_DATA0 0x1900 +#define REG_DEBUG_DATA1 0x1904 + +#define L1D_MPW_PHYID1 0xD01C /* V7 */ +#define L1D_MPW_PHYID2 0xD01D /* V1-V6 */ +#define L1D_MPW_PHYID3 0xD01E /* V8 */ + + +/* Autoneg Advertisement Register */ +#define ADVERTISE_DEFAULT_CAP \ + (ADVERTISE_ALL | ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM) + +/* 1000BASE-T Control Register */ +#define GIGA_CR_1000T_REPEATER_DTE 0x0400 /* 1=Repeater/switch device port 0=DTE device */ + +#define GIGA_CR_1000T_MS_VALUE 0x0800 /* 1=Configure PHY as Master 0=Configure PHY as Slave */ +#define GIGA_CR_1000T_MS_ENABLE 0x1000 /* 1=Master/Slave manual config value 0=Automatic Master/Slave config */ +#define GIGA_CR_1000T_TEST_MODE_NORMAL 0x0000 /* Normal Operation */ +#define GIGA_CR_1000T_TEST_MODE_1 0x2000 /* Transmit Waveform test */ +#define GIGA_CR_1000T_TEST_MODE_2 0x4000 /* Master Transmit Jitter test */ +#define GIGA_CR_1000T_TEST_MODE_3 0x6000 /* Slave Transmit Jitter test */ +#define GIGA_CR_1000T_TEST_MODE_4 0x8000 /* Transmitter Distortion test */ +#define GIGA_CR_1000T_SPEED_MASK 0x0300 +#define GIGA_CR_1000T_DEFAULT_CAP 0x0300 + +/* PHY Specific Status Register */ +#define MII_GIGA_PSSR 0x11 +#define GIGA_PSSR_SPD_DPLX_RESOLVED 0x0800 /* 1=Speed & Duplex resolved */ +#define GIGA_PSSR_DPLX 0x2000 /* 1=Duplex 0=Half Duplex */ +#define GIGA_PSSR_SPEED 0xC000 /* Speed, bits 14:15 */ +#define GIGA_PSSR_10MBS 0x0000 /* 00=10Mbs */ +#define GIGA_PSSR_100MBS 0x4000 /* 01=100Mbs */ +#define GIGA_PSSR_1000MBS 0x8000 /* 10=1000Mbs */ + +/* PHY Interrupt Enable Register */ +#define MII_IER 0x12 +#define IER_LINK_UP 0x0400 +#define IER_LINK_DOWN 0x0800 + +/* PHY Interrupt Status Register */ +#define MII_ISR 0x13 +#define ISR_LINK_UP 0x0400 +#define ISR_LINK_DOWN 0x0800 + +/* Cable-Detect-Test Control Register */ +#define MII_CDTC 0x16 +#define CDTC_EN_OFF 0 /* sc */ +#define CDTC_EN_BITS 1 +#define CDTC_PAIR_OFF 8 +#define CDTC_PAIR_BIT 2 + +/* Cable-Detect-Test Status Register */ +#define MII_CDTS 0x1C +#define CDTS_STATUS_OFF 8 +#define CDTS_STATUS_BITS 2 +#define CDTS_STATUS_NORMAL 0 +#define CDTS_STATUS_SHORT 1 +#define CDTS_STATUS_OPEN 2 +#define CDTS_STATUS_INVALID 3 + +#define MII_DBG_ADDR 0x1D +#define MII_DBG_DATA 0x1E + +#define MII_ANA_CTRL_0 0x0 +#define ANA_RESTART_CAL 0x0001 +#define ANA_MANUL_SWICH_ON_SHIFT 0x1 +#define ANA_MANUL_SWICH_ON_MASK 0xF +#define ANA_MAN_ENABLE 0x0020 +#define ANA_SEL_HSP 0x0040 +#define ANA_EN_HB 0x0080 +#define ANA_EN_HBIAS 0x0100 +#define ANA_OEN_125M 0x0200 +#define ANA_EN_LCKDT 0x0400 +#define ANA_LCKDT_PHY 0x0800 +#define ANA_AFE_MODE 0x1000 +#define ANA_VCO_SLOW 0x2000 +#define ANA_VCO_FAST 0x4000 +#define ANA_SEL_CLK125M_DSP 0x8000 + +#define MII_ANA_CTRL_4 0x4 +#define ANA_IECHO_ADJ_MASK 0xF +#define ANA_IECHO_ADJ_3_SHIFT 0 +#define ANA_IECHO_ADJ_2_SHIFT 4 +#define ANA_IECHO_ADJ_1_SHIFT 8 +#define ANA_IECHO_ADJ_0_SHIFT 12 + +#define MII_ANA_CTRL_5 0x5 +#define ANA_SERDES_CDR_BW_SHIFT 0 +#define ANA_SERDES_CDR_BW_MASK 0x3 +#define ANA_MS_PAD_DBG 0x0004 +#define ANA_SPEEDUP_DBG 0x0008 +#define ANA_SERDES_TH_LOS_SHIFT 4 +#define ANA_SERDES_TH_LOS_MASK 0x3 +#define ANA_SERDES_EN_DEEM 0x0040 +#define ANA_SERDES_TXELECIDLE 0x0080 +#define ANA_SERDES_BEACON 0x0100 +#define ANA_SERDES_HALFTXDR 0x0200 +#define ANA_SERDES_SEL_HSP 0x0400 +#define ANA_SERDES_EN_PLL 0x0800 +#define ANA_SERDES_EN 0x1000 +#define ANA_SERDES_EN_LCKDT 0x2000 + +#define MII_ANA_CTRL_11 0xB +#define ANA_PS_HIB_EN 0x8000 + +#define MII_ANA_CTRL_18 0x12 +#define ANA_TEST_MODE_10BT_01SHIFT 0 +#define ANA_TEST_MODE_10BT_01MASK 0x3 +#define ANA_LOOP_SEL_10BT 0x0004 +#define ANA_RGMII_MODE_SW 0x0008 +#define ANA_EN_LONGECABLE 0x0010 +#define ANA_TEST_MODE_10BT_2 0x0020 +#define ANA_EN_10BT_IDLE 0x0400 +#define ANA_EN_MASK_TB 0x0800 +#define ANA_TRIGGER_SEL_TIMER_SHIFT 12 +#define ANA_TRIGGER_SEL_TIMER_MASK 0x3 +#define ANA_INTERVAL_SEL_TIMER_SHIFT 14 +#define ANA_INTERVAL_SEL_TIMER_MASK 0x3 + +#define MII_ANA_CTRL_41 0x29 +#define ANA_TOP_PS_EN 0x8000 + +#define MII_ANA_CTRL_54 0x36 +#define ANA_LONG_CABLE_TH_100_SHIFT 0 +#define ANA_LONG_CABLE_TH_100_MASK 0x3F +#define ANA_DESERVED 0x0040 +#define ANA_EN_LIT_CH 0x0080 +#define ANA_SHORT_CABLE_TH_100_SHIFT 8 +#define ANA_SHORT_CABLE_TH_100_MASK 0x3F +#define ANA_BP_BAD_LINK_ACCUM 0x4000 +#define ANA_BP_SMALL_BW 0x8000 + +#endif /*_ATL1C_HW_H_*/ diff --git a/drivers/net/ethernet/atheros/atl1c/atl1c_main.c b/drivers/net/ethernet/atheros/atl1c/atl1c_main.c new file mode 100644 index 000000000000..972244218408 --- /dev/null +++ b/drivers/net/ethernet/atheros/atl1c/atl1c_main.c @@ -0,0 +1,2934 @@ +/* + * Copyright(c) 2008 - 2009 Atheros Corporation. All rights reserved. + * + * Derived from Intel e1000 driver + * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., 59 + * Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#include "atl1c.h" + +#define ATL1C_DRV_VERSION "1.0.1.0-NAPI" +char atl1c_driver_name[] = "atl1c"; +char atl1c_driver_version[] = ATL1C_DRV_VERSION; +#define PCI_DEVICE_ID_ATTANSIC_L2C 0x1062 +#define PCI_DEVICE_ID_ATTANSIC_L1C 0x1063 +#define PCI_DEVICE_ID_ATHEROS_L2C_B 0x2060 /* AR8152 v1.1 Fast 10/100 */ +#define PCI_DEVICE_ID_ATHEROS_L2C_B2 0x2062 /* AR8152 v2.0 Fast 10/100 */ +#define PCI_DEVICE_ID_ATHEROS_L1D 0x1073 /* AR8151 v1.0 Gigabit 1000 */ +#define PCI_DEVICE_ID_ATHEROS_L1D_2_0 0x1083 /* AR8151 v2.0 Gigabit 1000 */ +#define L2CB_V10 0xc0 +#define L2CB_V11 0xc1 + +/* + * atl1c_pci_tbl - PCI Device ID Table + * + * Wildcard entries (PCI_ANY_ID) should come last + * Last entry must be all 0s + * + * { Vendor ID, Device ID, SubVendor ID, SubDevice ID, + * Class, Class Mask, private data (not used) } + */ +static DEFINE_PCI_DEVICE_TABLE(atl1c_pci_tbl) = { + {PCI_DEVICE(PCI_VENDOR_ID_ATTANSIC, PCI_DEVICE_ID_ATTANSIC_L1C)}, + {PCI_DEVICE(PCI_VENDOR_ID_ATTANSIC, PCI_DEVICE_ID_ATTANSIC_L2C)}, + {PCI_DEVICE(PCI_VENDOR_ID_ATTANSIC, PCI_DEVICE_ID_ATHEROS_L2C_B)}, + {PCI_DEVICE(PCI_VENDOR_ID_ATTANSIC, PCI_DEVICE_ID_ATHEROS_L2C_B2)}, + {PCI_DEVICE(PCI_VENDOR_ID_ATTANSIC, PCI_DEVICE_ID_ATHEROS_L1D)}, + {PCI_DEVICE(PCI_VENDOR_ID_ATTANSIC, PCI_DEVICE_ID_ATHEROS_L1D_2_0)}, + /* required last entry */ + { 0 } +}; +MODULE_DEVICE_TABLE(pci, atl1c_pci_tbl); + +MODULE_AUTHOR("Jie Yang "); +MODULE_DESCRIPTION("Atheros 1000M Ethernet Network Driver"); +MODULE_LICENSE("GPL"); +MODULE_VERSION(ATL1C_DRV_VERSION); + +static int atl1c_stop_mac(struct atl1c_hw *hw); +static void atl1c_enable_rx_ctrl(struct atl1c_hw *hw); +static void atl1c_enable_tx_ctrl(struct atl1c_hw *hw); +static void atl1c_disable_l0s_l1(struct atl1c_hw *hw); +static void atl1c_set_aspm(struct atl1c_hw *hw, bool linkup); +static void atl1c_setup_mac_ctrl(struct atl1c_adapter *adapter); +static void atl1c_clean_rx_irq(struct atl1c_adapter *adapter, u8 que, + int *work_done, int work_to_do); +static int atl1c_up(struct atl1c_adapter *adapter); +static void atl1c_down(struct atl1c_adapter *adapter); + +static const u16 atl1c_pay_load_size[] = { + 128, 256, 512, 1024, 2048, 4096, +}; + +static const u16 atl1c_rfd_prod_idx_regs[AT_MAX_RECEIVE_QUEUE] = +{ + REG_MB_RFD0_PROD_IDX, + REG_MB_RFD1_PROD_IDX, + REG_MB_RFD2_PROD_IDX, + REG_MB_RFD3_PROD_IDX +}; + +static const u16 atl1c_rfd_addr_lo_regs[AT_MAX_RECEIVE_QUEUE] = +{ + REG_RFD0_HEAD_ADDR_LO, + REG_RFD1_HEAD_ADDR_LO, + REG_RFD2_HEAD_ADDR_LO, + REG_RFD3_HEAD_ADDR_LO +}; + +static const u16 atl1c_rrd_addr_lo_regs[AT_MAX_RECEIVE_QUEUE] = +{ + REG_RRD0_HEAD_ADDR_LO, + REG_RRD1_HEAD_ADDR_LO, + REG_RRD2_HEAD_ADDR_LO, + REG_RRD3_HEAD_ADDR_LO +}; + +static const u32 atl1c_default_msg = NETIF_MSG_DRV | NETIF_MSG_PROBE | + NETIF_MSG_LINK | NETIF_MSG_TIMER | NETIF_MSG_IFDOWN | NETIF_MSG_IFUP; +static void atl1c_pcie_patch(struct atl1c_hw *hw) +{ + u32 data; + + AT_READ_REG(hw, REG_PCIE_PHYMISC, &data); + data |= PCIE_PHYMISC_FORCE_RCV_DET; + AT_WRITE_REG(hw, REG_PCIE_PHYMISC, data); + + if (hw->nic_type == athr_l2c_b && hw->revision_id == L2CB_V10) { + AT_READ_REG(hw, REG_PCIE_PHYMISC2, &data); + + data &= ~(PCIE_PHYMISC2_SERDES_CDR_MASK << + PCIE_PHYMISC2_SERDES_CDR_SHIFT); + data |= 3 << PCIE_PHYMISC2_SERDES_CDR_SHIFT; + data &= ~(PCIE_PHYMISC2_SERDES_TH_MASK << + PCIE_PHYMISC2_SERDES_TH_SHIFT); + data |= 3 << PCIE_PHYMISC2_SERDES_TH_SHIFT; + AT_WRITE_REG(hw, REG_PCIE_PHYMISC2, data); + } +} + +/* FIXME: no need any more ? */ +/* + * atl1c_init_pcie - init PCIE module + */ +static void atl1c_reset_pcie(struct atl1c_hw *hw, u32 flag) +{ + u32 data; + u32 pci_cmd; + struct pci_dev *pdev = hw->adapter->pdev; + + AT_READ_REG(hw, PCI_COMMAND, &pci_cmd); + pci_cmd &= ~PCI_COMMAND_INTX_DISABLE; + pci_cmd |= (PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER | + PCI_COMMAND_IO); + AT_WRITE_REG(hw, PCI_COMMAND, pci_cmd); + + /* + * Clear any PowerSaveing Settings + */ + pci_enable_wake(pdev, PCI_D3hot, 0); + pci_enable_wake(pdev, PCI_D3cold, 0); + + /* + * Mask some pcie error bits + */ + AT_READ_REG(hw, REG_PCIE_UC_SEVERITY, &data); + data &= ~PCIE_UC_SERVRITY_DLP; + data &= ~PCIE_UC_SERVRITY_FCP; + AT_WRITE_REG(hw, REG_PCIE_UC_SEVERITY, data); + + AT_READ_REG(hw, REG_LTSSM_ID_CTRL, &data); + data &= ~LTSSM_ID_EN_WRO; + AT_WRITE_REG(hw, REG_LTSSM_ID_CTRL, data); + + atl1c_pcie_patch(hw); + if (flag & ATL1C_PCIE_L0S_L1_DISABLE) + atl1c_disable_l0s_l1(hw); + if (flag & ATL1C_PCIE_PHY_RESET) + AT_WRITE_REG(hw, REG_GPHY_CTRL, GPHY_CTRL_DEFAULT); + else + AT_WRITE_REG(hw, REG_GPHY_CTRL, + GPHY_CTRL_DEFAULT | GPHY_CTRL_EXT_RESET); + + msleep(5); +} + +/* + * atl1c_irq_enable - Enable default interrupt generation settings + * @adapter: board private structure + */ +static inline void atl1c_irq_enable(struct atl1c_adapter *adapter) +{ + if (likely(atomic_dec_and_test(&adapter->irq_sem))) { + AT_WRITE_REG(&adapter->hw, REG_ISR, 0x7FFFFFFF); + AT_WRITE_REG(&adapter->hw, REG_IMR, adapter->hw.intr_mask); + AT_WRITE_FLUSH(&adapter->hw); + } +} + +/* + * atl1c_irq_disable - Mask off interrupt generation on the NIC + * @adapter: board private structure + */ +static inline void atl1c_irq_disable(struct atl1c_adapter *adapter) +{ + atomic_inc(&adapter->irq_sem); + AT_WRITE_REG(&adapter->hw, REG_IMR, 0); + AT_WRITE_REG(&adapter->hw, REG_ISR, ISR_DIS_INT); + AT_WRITE_FLUSH(&adapter->hw); + synchronize_irq(adapter->pdev->irq); +} + +/* + * atl1c_irq_reset - reset interrupt confiure on the NIC + * @adapter: board private structure + */ +static inline void atl1c_irq_reset(struct atl1c_adapter *adapter) +{ + atomic_set(&adapter->irq_sem, 1); + atl1c_irq_enable(adapter); +} + +/* + * atl1c_wait_until_idle - wait up to AT_HW_MAX_IDLE_DELAY reads + * of the idle status register until the device is actually idle + */ +static u32 atl1c_wait_until_idle(struct atl1c_hw *hw) +{ + int timeout; + u32 data; + + for (timeout = 0; timeout < AT_HW_MAX_IDLE_DELAY; timeout++) { + AT_READ_REG(hw, REG_IDLE_STATUS, &data); + if ((data & IDLE_STATUS_MASK) == 0) + return 0; + msleep(1); + } + return data; +} + +/* + * atl1c_phy_config - Timer Call-back + * @data: pointer to netdev cast into an unsigned long + */ +static void atl1c_phy_config(unsigned long data) +{ + struct atl1c_adapter *adapter = (struct atl1c_adapter *) data; + struct atl1c_hw *hw = &adapter->hw; + unsigned long flags; + + spin_lock_irqsave(&adapter->mdio_lock, flags); + atl1c_restart_autoneg(hw); + spin_unlock_irqrestore(&adapter->mdio_lock, flags); +} + +void atl1c_reinit_locked(struct atl1c_adapter *adapter) +{ + WARN_ON(in_interrupt()); + atl1c_down(adapter); + atl1c_up(adapter); + clear_bit(__AT_RESETTING, &adapter->flags); +} + +static void atl1c_check_link_status(struct atl1c_adapter *adapter) +{ + struct atl1c_hw *hw = &adapter->hw; + struct net_device *netdev = adapter->netdev; + struct pci_dev *pdev = adapter->pdev; + int err; + unsigned long flags; + u16 speed, duplex, phy_data; + + spin_lock_irqsave(&adapter->mdio_lock, flags); + /* MII_BMSR must read twise */ + atl1c_read_phy_reg(hw, MII_BMSR, &phy_data); + atl1c_read_phy_reg(hw, MII_BMSR, &phy_data); + spin_unlock_irqrestore(&adapter->mdio_lock, flags); + + if ((phy_data & BMSR_LSTATUS) == 0) { + /* link down */ + hw->hibernate = true; + if (atl1c_stop_mac(hw) != 0) + if (netif_msg_hw(adapter)) + dev_warn(&pdev->dev, "stop mac failed\n"); + atl1c_set_aspm(hw, false); + netif_carrier_off(netdev); + netif_stop_queue(netdev); + atl1c_phy_reset(hw); + atl1c_phy_init(&adapter->hw); + } else { + /* Link Up */ + hw->hibernate = false; + spin_lock_irqsave(&adapter->mdio_lock, flags); + err = atl1c_get_speed_and_duplex(hw, &speed, &duplex); + spin_unlock_irqrestore(&adapter->mdio_lock, flags); + if (unlikely(err)) + return; + /* link result is our setting */ + if (adapter->link_speed != speed || + adapter->link_duplex != duplex) { + adapter->link_speed = speed; + adapter->link_duplex = duplex; + atl1c_set_aspm(hw, true); + atl1c_enable_tx_ctrl(hw); + atl1c_enable_rx_ctrl(hw); + atl1c_setup_mac_ctrl(adapter); + if (netif_msg_link(adapter)) + dev_info(&pdev->dev, + "%s: %s NIC Link is Up<%d Mbps %s>\n", + atl1c_driver_name, netdev->name, + adapter->link_speed, + adapter->link_duplex == FULL_DUPLEX ? + "Full Duplex" : "Half Duplex"); + } + if (!netif_carrier_ok(netdev)) + netif_carrier_on(netdev); + } +} + +static void atl1c_link_chg_event(struct atl1c_adapter *adapter) +{ + struct net_device *netdev = adapter->netdev; + struct pci_dev *pdev = adapter->pdev; + u16 phy_data; + u16 link_up; + + spin_lock(&adapter->mdio_lock); + atl1c_read_phy_reg(&adapter->hw, MII_BMSR, &phy_data); + atl1c_read_phy_reg(&adapter->hw, MII_BMSR, &phy_data); + spin_unlock(&adapter->mdio_lock); + link_up = phy_data & BMSR_LSTATUS; + /* notify upper layer link down ASAP */ + if (!link_up) { + if (netif_carrier_ok(netdev)) { + /* old link state: Up */ + netif_carrier_off(netdev); + if (netif_msg_link(adapter)) + dev_info(&pdev->dev, + "%s: %s NIC Link is Down\n", + atl1c_driver_name, netdev->name); + adapter->link_speed = SPEED_0; + } + } + + set_bit(ATL1C_WORK_EVENT_LINK_CHANGE, &adapter->work_event); + schedule_work(&adapter->common_task); +} + +static void atl1c_common_task(struct work_struct *work) +{ + struct atl1c_adapter *adapter; + struct net_device *netdev; + + adapter = container_of(work, struct atl1c_adapter, common_task); + netdev = adapter->netdev; + + if (test_and_clear_bit(ATL1C_WORK_EVENT_RESET, &adapter->work_event)) { + netif_device_detach(netdev); + atl1c_down(adapter); + atl1c_up(adapter); + netif_device_attach(netdev); + } + + if (test_and_clear_bit(ATL1C_WORK_EVENT_LINK_CHANGE, + &adapter->work_event)) + atl1c_check_link_status(adapter); +} + + +static void atl1c_del_timer(struct atl1c_adapter *adapter) +{ + del_timer_sync(&adapter->phy_config_timer); +} + + +/* + * atl1c_tx_timeout - Respond to a Tx Hang + * @netdev: network interface device structure + */ +static void atl1c_tx_timeout(struct net_device *netdev) +{ + struct atl1c_adapter *adapter = netdev_priv(netdev); + + /* Do the reset outside of interrupt context */ + set_bit(ATL1C_WORK_EVENT_RESET, &adapter->work_event); + schedule_work(&adapter->common_task); +} + +/* + * atl1c_set_multi - Multicast and Promiscuous mode set + * @netdev: network interface device structure + * + * The set_multi entry point is called whenever the multicast address + * list or the network interface flags are updated. This routine is + * responsible for configuring the hardware for proper multicast, + * promiscuous mode, and all-multi behavior. + */ +static void atl1c_set_multi(struct net_device *netdev) +{ + struct atl1c_adapter *adapter = netdev_priv(netdev); + struct atl1c_hw *hw = &adapter->hw; + struct netdev_hw_addr *ha; + u32 mac_ctrl_data; + u32 hash_value; + + /* Check for Promiscuous and All Multicast modes */ + AT_READ_REG(hw, REG_MAC_CTRL, &mac_ctrl_data); + + if (netdev->flags & IFF_PROMISC) { + mac_ctrl_data |= MAC_CTRL_PROMIS_EN; + } else if (netdev->flags & IFF_ALLMULTI) { + mac_ctrl_data |= MAC_CTRL_MC_ALL_EN; + mac_ctrl_data &= ~MAC_CTRL_PROMIS_EN; + } else { + mac_ctrl_data &= ~(MAC_CTRL_PROMIS_EN | MAC_CTRL_MC_ALL_EN); + } + + AT_WRITE_REG(hw, REG_MAC_CTRL, mac_ctrl_data); + + /* clear the old settings from the multicast hash table */ + AT_WRITE_REG(hw, REG_RX_HASH_TABLE, 0); + AT_WRITE_REG_ARRAY(hw, REG_RX_HASH_TABLE, 1, 0); + + /* comoute mc addresses' hash value ,and put it into hash table */ + netdev_for_each_mc_addr(ha, netdev) { + hash_value = atl1c_hash_mc_addr(hw, ha->addr); + atl1c_hash_set(hw, hash_value); + } +} + +static void __atl1c_vlan_mode(u32 features, u32 *mac_ctrl_data) +{ + if (features & NETIF_F_HW_VLAN_RX) { + /* enable VLAN tag insert/strip */ + *mac_ctrl_data |= MAC_CTRL_RMV_VLAN; + } else { + /* disable VLAN tag insert/strip */ + *mac_ctrl_data &= ~MAC_CTRL_RMV_VLAN; + } +} + +static void atl1c_vlan_mode(struct net_device *netdev, u32 features) +{ + struct atl1c_adapter *adapter = netdev_priv(netdev); + struct pci_dev *pdev = adapter->pdev; + u32 mac_ctrl_data = 0; + + if (netif_msg_pktdata(adapter)) + dev_dbg(&pdev->dev, "atl1c_vlan_mode\n"); + + atl1c_irq_disable(adapter); + AT_READ_REG(&adapter->hw, REG_MAC_CTRL, &mac_ctrl_data); + __atl1c_vlan_mode(features, &mac_ctrl_data); + AT_WRITE_REG(&adapter->hw, REG_MAC_CTRL, mac_ctrl_data); + atl1c_irq_enable(adapter); +} + +static void atl1c_restore_vlan(struct atl1c_adapter *adapter) +{ + struct pci_dev *pdev = adapter->pdev; + + if (netif_msg_pktdata(adapter)) + dev_dbg(&pdev->dev, "atl1c_restore_vlan\n"); + atl1c_vlan_mode(adapter->netdev, adapter->netdev->features); +} + +/* + * atl1c_set_mac - Change the Ethernet Address of the NIC + * @netdev: network interface device structure + * @p: pointer to an address structure + * + * Returns 0 on success, negative on failure + */ +static int atl1c_set_mac_addr(struct net_device *netdev, void *p) +{ + struct atl1c_adapter *adapter = netdev_priv(netdev); + struct sockaddr *addr = p; + + if (!is_valid_ether_addr(addr->sa_data)) + return -EADDRNOTAVAIL; + + if (netif_running(netdev)) + return -EBUSY; + + memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); + memcpy(adapter->hw.mac_addr, addr->sa_data, netdev->addr_len); + + atl1c_hw_set_mac_addr(&adapter->hw); + + return 0; +} + +static void atl1c_set_rxbufsize(struct atl1c_adapter *adapter, + struct net_device *dev) +{ + int mtu = dev->mtu; + + adapter->rx_buffer_len = mtu > AT_RX_BUF_SIZE ? + roundup(mtu + ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN, 8) : AT_RX_BUF_SIZE; +} + +static u32 atl1c_fix_features(struct net_device *netdev, u32 features) +{ + /* + * Since there is no support for separate rx/tx vlan accel + * enable/disable make sure tx flag is always in same state as rx. + */ + if (features & NETIF_F_HW_VLAN_RX) + features |= NETIF_F_HW_VLAN_TX; + else + features &= ~NETIF_F_HW_VLAN_TX; + + if (netdev->mtu > MAX_TSO_FRAME_SIZE) + features &= ~(NETIF_F_TSO | NETIF_F_TSO6); + + return features; +} + +static int atl1c_set_features(struct net_device *netdev, u32 features) +{ + u32 changed = netdev->features ^ features; + + if (changed & NETIF_F_HW_VLAN_RX) + atl1c_vlan_mode(netdev, features); + + return 0; +} + +/* + * atl1c_change_mtu - Change the Maximum Transfer Unit + * @netdev: network interface device structure + * @new_mtu: new value for maximum frame size + * + * Returns 0 on success, negative on failure + */ +static int atl1c_change_mtu(struct net_device *netdev, int new_mtu) +{ + struct atl1c_adapter *adapter = netdev_priv(netdev); + int old_mtu = netdev->mtu; + int max_frame = new_mtu + ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN; + + if ((max_frame < ETH_ZLEN + ETH_FCS_LEN) || + (max_frame > MAX_JUMBO_FRAME_SIZE)) { + if (netif_msg_link(adapter)) + dev_warn(&adapter->pdev->dev, "invalid MTU setting\n"); + return -EINVAL; + } + /* set MTU */ + if (old_mtu != new_mtu && netif_running(netdev)) { + while (test_and_set_bit(__AT_RESETTING, &adapter->flags)) + msleep(1); + netdev->mtu = new_mtu; + adapter->hw.max_frame_size = new_mtu; + atl1c_set_rxbufsize(adapter, netdev); + atl1c_down(adapter); + netdev_update_features(netdev); + atl1c_up(adapter); + clear_bit(__AT_RESETTING, &adapter->flags); + if (adapter->hw.ctrl_flags & ATL1C_FPGA_VERSION) { + u32 phy_data; + + AT_READ_REG(&adapter->hw, 0x1414, &phy_data); + phy_data |= 0x10000000; + AT_WRITE_REG(&adapter->hw, 0x1414, phy_data); + } + + } + return 0; +} + +/* + * caller should hold mdio_lock + */ +static int atl1c_mdio_read(struct net_device *netdev, int phy_id, int reg_num) +{ + struct atl1c_adapter *adapter = netdev_priv(netdev); + u16 result; + + atl1c_read_phy_reg(&adapter->hw, reg_num & MDIO_REG_ADDR_MASK, &result); + return result; +} + +static void atl1c_mdio_write(struct net_device *netdev, int phy_id, + int reg_num, int val) +{ + struct atl1c_adapter *adapter = netdev_priv(netdev); + + atl1c_write_phy_reg(&adapter->hw, reg_num & MDIO_REG_ADDR_MASK, val); +} + +/* + * atl1c_mii_ioctl - + * @netdev: + * @ifreq: + * @cmd: + */ +static int atl1c_mii_ioctl(struct net_device *netdev, + struct ifreq *ifr, int cmd) +{ + struct atl1c_adapter *adapter = netdev_priv(netdev); + struct pci_dev *pdev = adapter->pdev; + struct mii_ioctl_data *data = if_mii(ifr); + unsigned long flags; + int retval = 0; + + if (!netif_running(netdev)) + return -EINVAL; + + spin_lock_irqsave(&adapter->mdio_lock, flags); + switch (cmd) { + case SIOCGMIIPHY: + data->phy_id = 0; + break; + + case SIOCGMIIREG: + if (atl1c_read_phy_reg(&adapter->hw, data->reg_num & 0x1F, + &data->val_out)) { + retval = -EIO; + goto out; + } + break; + + case SIOCSMIIREG: + if (data->reg_num & ~(0x1F)) { + retval = -EFAULT; + goto out; + } + + dev_dbg(&pdev->dev, " write %x %x", + data->reg_num, data->val_in); + if (atl1c_write_phy_reg(&adapter->hw, + data->reg_num, data->val_in)) { + retval = -EIO; + goto out; + } + break; + + default: + retval = -EOPNOTSUPP; + break; + } +out: + spin_unlock_irqrestore(&adapter->mdio_lock, flags); + return retval; +} + +/* + * atl1c_ioctl - + * @netdev: + * @ifreq: + * @cmd: + */ +static int atl1c_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) +{ + switch (cmd) { + case SIOCGMIIPHY: + case SIOCGMIIREG: + case SIOCSMIIREG: + return atl1c_mii_ioctl(netdev, ifr, cmd); + default: + return -EOPNOTSUPP; + } +} + +/* + * atl1c_alloc_queues - Allocate memory for all rings + * @adapter: board private structure to initialize + * + */ +static int __devinit atl1c_alloc_queues(struct atl1c_adapter *adapter) +{ + return 0; +} + +static void atl1c_set_mac_type(struct atl1c_hw *hw) +{ + switch (hw->device_id) { + case PCI_DEVICE_ID_ATTANSIC_L2C: + hw->nic_type = athr_l2c; + break; + case PCI_DEVICE_ID_ATTANSIC_L1C: + hw->nic_type = athr_l1c; + break; + case PCI_DEVICE_ID_ATHEROS_L2C_B: + hw->nic_type = athr_l2c_b; + break; + case PCI_DEVICE_ID_ATHEROS_L2C_B2: + hw->nic_type = athr_l2c_b2; + break; + case PCI_DEVICE_ID_ATHEROS_L1D: + hw->nic_type = athr_l1d; + break; + case PCI_DEVICE_ID_ATHEROS_L1D_2_0: + hw->nic_type = athr_l1d_2; + break; + default: + break; + } +} + +static int atl1c_setup_mac_funcs(struct atl1c_hw *hw) +{ + u32 phy_status_data; + u32 link_ctrl_data; + + atl1c_set_mac_type(hw); + AT_READ_REG(hw, REG_PHY_STATUS, &phy_status_data); + AT_READ_REG(hw, REG_LINK_CTRL, &link_ctrl_data); + + hw->ctrl_flags = ATL1C_INTR_MODRT_ENABLE | + ATL1C_TXQ_MODE_ENHANCE; + if (link_ctrl_data & LINK_CTRL_L0S_EN) + hw->ctrl_flags |= ATL1C_ASPM_L0S_SUPPORT; + if (link_ctrl_data & LINK_CTRL_L1_EN) + hw->ctrl_flags |= ATL1C_ASPM_L1_SUPPORT; + if (link_ctrl_data & LINK_CTRL_EXT_SYNC) + hw->ctrl_flags |= ATL1C_LINK_EXT_SYNC; + hw->ctrl_flags |= ATL1C_ASPM_CTRL_MON; + + if (hw->nic_type == athr_l1c || + hw->nic_type == athr_l1d || + hw->nic_type == athr_l1d_2) + hw->link_cap_flags |= ATL1C_LINK_CAP_1000M; + return 0; +} +/* + * atl1c_sw_init - Initialize general software structures (struct atl1c_adapter) + * @adapter: board private structure to initialize + * + * atl1c_sw_init initializes the Adapter private data structure. + * Fields are initialized based on PCI device information and + * OS network device settings (MTU size). + */ +static int __devinit atl1c_sw_init(struct atl1c_adapter *adapter) +{ + struct atl1c_hw *hw = &adapter->hw; + struct pci_dev *pdev = adapter->pdev; + u32 revision; + + + adapter->wol = 0; + device_set_wakeup_enable(&pdev->dev, false); + adapter->link_speed = SPEED_0; + adapter->link_duplex = FULL_DUPLEX; + adapter->num_rx_queues = AT_DEF_RECEIVE_QUEUE; + adapter->tpd_ring[0].count = 1024; + adapter->rfd_ring[0].count = 512; + + hw->vendor_id = pdev->vendor; + hw->device_id = pdev->device; + hw->subsystem_vendor_id = pdev->subsystem_vendor; + hw->subsystem_id = pdev->subsystem_device; + AT_READ_REG(hw, PCI_CLASS_REVISION, &revision); + hw->revision_id = revision & 0xFF; + /* before link up, we assume hibernate is true */ + hw->hibernate = true; + hw->media_type = MEDIA_TYPE_AUTO_SENSOR; + if (atl1c_setup_mac_funcs(hw) != 0) { + dev_err(&pdev->dev, "set mac function pointers failed\n"); + return -1; + } + hw->intr_mask = IMR_NORMAL_MASK; + hw->phy_configured = false; + hw->preamble_len = 7; + hw->max_frame_size = adapter->netdev->mtu; + if (adapter->num_rx_queues < 2) { + hw->rss_type = atl1c_rss_disable; + hw->rss_mode = atl1c_rss_mode_disable; + } else { + hw->rss_type = atl1c_rss_ipv4; + hw->rss_mode = atl1c_rss_mul_que_mul_int; + hw->rss_hash_bits = 16; + } + hw->autoneg_advertised = ADVERTISED_Autoneg; + hw->indirect_tab = 0xE4E4E4E4; + hw->base_cpu = 0; + + hw->ict = 50000; /* 100ms */ + hw->smb_timer = 200000; /* 400ms */ + hw->cmb_tpd = 4; + hw->cmb_tx_timer = 1; /* 2 us */ + hw->rx_imt = 200; + hw->tx_imt = 1000; + + hw->tpd_burst = 5; + hw->rfd_burst = 8; + hw->dma_order = atl1c_dma_ord_out; + hw->dmar_block = atl1c_dma_req_1024; + hw->dmaw_block = atl1c_dma_req_1024; + hw->dmar_dly_cnt = 15; + hw->dmaw_dly_cnt = 4; + + if (atl1c_alloc_queues(adapter)) { + dev_err(&pdev->dev, "Unable to allocate memory for queues\n"); + return -ENOMEM; + } + /* TODO */ + atl1c_set_rxbufsize(adapter, adapter->netdev); + atomic_set(&adapter->irq_sem, 1); + spin_lock_init(&adapter->mdio_lock); + spin_lock_init(&adapter->tx_lock); + set_bit(__AT_DOWN, &adapter->flags); + + return 0; +} + +static inline void atl1c_clean_buffer(struct pci_dev *pdev, + struct atl1c_buffer *buffer_info, int in_irq) +{ + u16 pci_driection; + if (buffer_info->flags & ATL1C_BUFFER_FREE) + return; + if (buffer_info->dma) { + if (buffer_info->flags & ATL1C_PCIMAP_FROMDEVICE) + pci_driection = PCI_DMA_FROMDEVICE; + else + pci_driection = PCI_DMA_TODEVICE; + + if (buffer_info->flags & ATL1C_PCIMAP_SINGLE) + pci_unmap_single(pdev, buffer_info->dma, + buffer_info->length, pci_driection); + else if (buffer_info->flags & ATL1C_PCIMAP_PAGE) + pci_unmap_page(pdev, buffer_info->dma, + buffer_info->length, pci_driection); + } + if (buffer_info->skb) { + if (in_irq) + dev_kfree_skb_irq(buffer_info->skb); + else + dev_kfree_skb(buffer_info->skb); + } + buffer_info->dma = 0; + buffer_info->skb = NULL; + ATL1C_SET_BUFFER_STATE(buffer_info, ATL1C_BUFFER_FREE); +} +/* + * atl1c_clean_tx_ring - Free Tx-skb + * @adapter: board private structure + */ +static void atl1c_clean_tx_ring(struct atl1c_adapter *adapter, + enum atl1c_trans_queue type) +{ + struct atl1c_tpd_ring *tpd_ring = &adapter->tpd_ring[type]; + struct atl1c_buffer *buffer_info; + struct pci_dev *pdev = adapter->pdev; + u16 index, ring_count; + + ring_count = tpd_ring->count; + for (index = 0; index < ring_count; index++) { + buffer_info = &tpd_ring->buffer_info[index]; + atl1c_clean_buffer(pdev, buffer_info, 0); + } + + /* Zero out Tx-buffers */ + memset(tpd_ring->desc, 0, sizeof(struct atl1c_tpd_desc) * + ring_count); + atomic_set(&tpd_ring->next_to_clean, 0); + tpd_ring->next_to_use = 0; +} + +/* + * atl1c_clean_rx_ring - Free rx-reservation skbs + * @adapter: board private structure + */ +static void atl1c_clean_rx_ring(struct atl1c_adapter *adapter) +{ + struct atl1c_rfd_ring *rfd_ring = adapter->rfd_ring; + struct atl1c_rrd_ring *rrd_ring = adapter->rrd_ring; + struct atl1c_buffer *buffer_info; + struct pci_dev *pdev = adapter->pdev; + int i, j; + + for (i = 0; i < adapter->num_rx_queues; i++) { + for (j = 0; j < rfd_ring[i].count; j++) { + buffer_info = &rfd_ring[i].buffer_info[j]; + atl1c_clean_buffer(pdev, buffer_info, 0); + } + /* zero out the descriptor ring */ + memset(rfd_ring[i].desc, 0, rfd_ring[i].size); + rfd_ring[i].next_to_clean = 0; + rfd_ring[i].next_to_use = 0; + rrd_ring[i].next_to_use = 0; + rrd_ring[i].next_to_clean = 0; + } +} + +/* + * Read / Write Ptr Initialize: + */ +static void atl1c_init_ring_ptrs(struct atl1c_adapter *adapter) +{ + struct atl1c_tpd_ring *tpd_ring = adapter->tpd_ring; + struct atl1c_rfd_ring *rfd_ring = adapter->rfd_ring; + struct atl1c_rrd_ring *rrd_ring = adapter->rrd_ring; + struct atl1c_buffer *buffer_info; + int i, j; + + for (i = 0; i < AT_MAX_TRANSMIT_QUEUE; i++) { + tpd_ring[i].next_to_use = 0; + atomic_set(&tpd_ring[i].next_to_clean, 0); + buffer_info = tpd_ring[i].buffer_info; + for (j = 0; j < tpd_ring->count; j++) + ATL1C_SET_BUFFER_STATE(&buffer_info[i], + ATL1C_BUFFER_FREE); + } + for (i = 0; i < adapter->num_rx_queues; i++) { + rfd_ring[i].next_to_use = 0; + rfd_ring[i].next_to_clean = 0; + rrd_ring[i].next_to_use = 0; + rrd_ring[i].next_to_clean = 0; + for (j = 0; j < rfd_ring[i].count; j++) { + buffer_info = &rfd_ring[i].buffer_info[j]; + ATL1C_SET_BUFFER_STATE(buffer_info, ATL1C_BUFFER_FREE); + } + } +} + +/* + * atl1c_free_ring_resources - Free Tx / RX descriptor Resources + * @adapter: board private structure + * + * Free all transmit software resources + */ +static void atl1c_free_ring_resources(struct atl1c_adapter *adapter) +{ + struct pci_dev *pdev = adapter->pdev; + + pci_free_consistent(pdev, adapter->ring_header.size, + adapter->ring_header.desc, + adapter->ring_header.dma); + adapter->ring_header.desc = NULL; + + /* Note: just free tdp_ring.buffer_info, + * it contain rfd_ring.buffer_info, do not double free */ + if (adapter->tpd_ring[0].buffer_info) { + kfree(adapter->tpd_ring[0].buffer_info); + adapter->tpd_ring[0].buffer_info = NULL; + } +} + +/* + * atl1c_setup_mem_resources - allocate Tx / RX descriptor resources + * @adapter: board private structure + * + * Return 0 on success, negative on failure + */ +static int atl1c_setup_ring_resources(struct atl1c_adapter *adapter) +{ + struct pci_dev *pdev = adapter->pdev; + struct atl1c_tpd_ring *tpd_ring = adapter->tpd_ring; + struct atl1c_rfd_ring *rfd_ring = adapter->rfd_ring; + struct atl1c_rrd_ring *rrd_ring = adapter->rrd_ring; + struct atl1c_ring_header *ring_header = &adapter->ring_header; + int num_rx_queues = adapter->num_rx_queues; + int size; + int i; + int count = 0; + int rx_desc_count = 0; + u32 offset = 0; + + rrd_ring[0].count = rfd_ring[0].count; + for (i = 1; i < AT_MAX_TRANSMIT_QUEUE; i++) + tpd_ring[i].count = tpd_ring[0].count; + + for (i = 1; i < adapter->num_rx_queues; i++) + rfd_ring[i].count = rrd_ring[i].count = rfd_ring[0].count; + + /* 2 tpd queue, one high priority queue, + * another normal priority queue */ + size = sizeof(struct atl1c_buffer) * (tpd_ring->count * 2 + + rfd_ring->count * num_rx_queues); + tpd_ring->buffer_info = kzalloc(size, GFP_KERNEL); + if (unlikely(!tpd_ring->buffer_info)) { + dev_err(&pdev->dev, "kzalloc failed, size = %d\n", + size); + goto err_nomem; + } + for (i = 0; i < AT_MAX_TRANSMIT_QUEUE; i++) { + tpd_ring[i].buffer_info = + (struct atl1c_buffer *) (tpd_ring->buffer_info + count); + count += tpd_ring[i].count; + } + + for (i = 0; i < num_rx_queues; i++) { + rfd_ring[i].buffer_info = + (struct atl1c_buffer *) (tpd_ring->buffer_info + count); + count += rfd_ring[i].count; + rx_desc_count += rfd_ring[i].count; + } + /* + * real ring DMA buffer + * each ring/block may need up to 8 bytes for alignment, hence the + * additional bytes tacked onto the end. + */ + ring_header->size = size = + sizeof(struct atl1c_tpd_desc) * tpd_ring->count * 2 + + sizeof(struct atl1c_rx_free_desc) * rx_desc_count + + sizeof(struct atl1c_recv_ret_status) * rx_desc_count + + sizeof(struct atl1c_hw_stats) + + 8 * 4 + 8 * 2 * num_rx_queues; + + ring_header->desc = pci_alloc_consistent(pdev, ring_header->size, + &ring_header->dma); + if (unlikely(!ring_header->desc)) { + dev_err(&pdev->dev, "pci_alloc_consistend failed\n"); + goto err_nomem; + } + memset(ring_header->desc, 0, ring_header->size); + /* init TPD ring */ + + tpd_ring[0].dma = roundup(ring_header->dma, 8); + offset = tpd_ring[0].dma - ring_header->dma; + for (i = 0; i < AT_MAX_TRANSMIT_QUEUE; i++) { + tpd_ring[i].dma = ring_header->dma + offset; + tpd_ring[i].desc = (u8 *) ring_header->desc + offset; + tpd_ring[i].size = + sizeof(struct atl1c_tpd_desc) * tpd_ring[i].count; + offset += roundup(tpd_ring[i].size, 8); + } + /* init RFD ring */ + for (i = 0; i < num_rx_queues; i++) { + rfd_ring[i].dma = ring_header->dma + offset; + rfd_ring[i].desc = (u8 *) ring_header->desc + offset; + rfd_ring[i].size = sizeof(struct atl1c_rx_free_desc) * + rfd_ring[i].count; + offset += roundup(rfd_ring[i].size, 8); + } + + /* init RRD ring */ + for (i = 0; i < num_rx_queues; i++) { + rrd_ring[i].dma = ring_header->dma + offset; + rrd_ring[i].desc = (u8 *) ring_header->desc + offset; + rrd_ring[i].size = sizeof(struct atl1c_recv_ret_status) * + rrd_ring[i].count; + offset += roundup(rrd_ring[i].size, 8); + } + + adapter->smb.dma = ring_header->dma + offset; + adapter->smb.smb = (u8 *)ring_header->desc + offset; + return 0; + +err_nomem: + kfree(tpd_ring->buffer_info); + return -ENOMEM; +} + +static void atl1c_configure_des_ring(struct atl1c_adapter *adapter) +{ + struct atl1c_hw *hw = &adapter->hw; + struct atl1c_rfd_ring *rfd_ring = (struct atl1c_rfd_ring *) + adapter->rfd_ring; + struct atl1c_rrd_ring *rrd_ring = (struct atl1c_rrd_ring *) + adapter->rrd_ring; + struct atl1c_tpd_ring *tpd_ring = (struct atl1c_tpd_ring *) + adapter->tpd_ring; + struct atl1c_cmb *cmb = (struct atl1c_cmb *) &adapter->cmb; + struct atl1c_smb *smb = (struct atl1c_smb *) &adapter->smb; + int i; + u32 data; + + /* TPD */ + AT_WRITE_REG(hw, REG_TX_BASE_ADDR_HI, + (u32)((tpd_ring[atl1c_trans_normal].dma & + AT_DMA_HI_ADDR_MASK) >> 32)); + /* just enable normal priority TX queue */ + AT_WRITE_REG(hw, REG_NTPD_HEAD_ADDR_LO, + (u32)(tpd_ring[atl1c_trans_normal].dma & + AT_DMA_LO_ADDR_MASK)); + AT_WRITE_REG(hw, REG_HTPD_HEAD_ADDR_LO, + (u32)(tpd_ring[atl1c_trans_high].dma & + AT_DMA_LO_ADDR_MASK)); + AT_WRITE_REG(hw, REG_TPD_RING_SIZE, + (u32)(tpd_ring[0].count & TPD_RING_SIZE_MASK)); + + + /* RFD */ + AT_WRITE_REG(hw, REG_RX_BASE_ADDR_HI, + (u32)((rfd_ring[0].dma & AT_DMA_HI_ADDR_MASK) >> 32)); + for (i = 0; i < adapter->num_rx_queues; i++) + AT_WRITE_REG(hw, atl1c_rfd_addr_lo_regs[i], + (u32)(rfd_ring[i].dma & AT_DMA_LO_ADDR_MASK)); + + AT_WRITE_REG(hw, REG_RFD_RING_SIZE, + rfd_ring[0].count & RFD_RING_SIZE_MASK); + AT_WRITE_REG(hw, REG_RX_BUF_SIZE, + adapter->rx_buffer_len & RX_BUF_SIZE_MASK); + + /* RRD */ + for (i = 0; i < adapter->num_rx_queues; i++) + AT_WRITE_REG(hw, atl1c_rrd_addr_lo_regs[i], + (u32)(rrd_ring[i].dma & AT_DMA_LO_ADDR_MASK)); + AT_WRITE_REG(hw, REG_RRD_RING_SIZE, + (rrd_ring[0].count & RRD_RING_SIZE_MASK)); + + /* CMB */ + AT_WRITE_REG(hw, REG_CMB_BASE_ADDR_LO, cmb->dma & AT_DMA_LO_ADDR_MASK); + + /* SMB */ + AT_WRITE_REG(hw, REG_SMB_BASE_ADDR_HI, + (u32)((smb->dma & AT_DMA_HI_ADDR_MASK) >> 32)); + AT_WRITE_REG(hw, REG_SMB_BASE_ADDR_LO, + (u32)(smb->dma & AT_DMA_LO_ADDR_MASK)); + if (hw->nic_type == athr_l2c_b) { + AT_WRITE_REG(hw, REG_SRAM_RXF_LEN, 0x02a0L); + AT_WRITE_REG(hw, REG_SRAM_TXF_LEN, 0x0100L); + AT_WRITE_REG(hw, REG_SRAM_RXF_ADDR, 0x029f0000L); + AT_WRITE_REG(hw, REG_SRAM_RFD0_INFO, 0x02bf02a0L); + AT_WRITE_REG(hw, REG_SRAM_TXF_ADDR, 0x03bf02c0L); + AT_WRITE_REG(hw, REG_SRAM_TRD_ADDR, 0x03df03c0L); + AT_WRITE_REG(hw, REG_TXF_WATER_MARK, 0); /* TX watermark, to enter l1 state.*/ + AT_WRITE_REG(hw, REG_RXD_DMA_CTRL, 0); /* RXD threshold.*/ + } + if (hw->nic_type == athr_l2c_b || hw->nic_type == athr_l1d_2) { + /* Power Saving for L2c_B */ + AT_READ_REG(hw, REG_SERDES_LOCK, &data); + data |= SERDES_MAC_CLK_SLOWDOWN; + data |= SERDES_PYH_CLK_SLOWDOWN; + AT_WRITE_REG(hw, REG_SERDES_LOCK, data); + } + /* Load all of base address above */ + AT_WRITE_REG(hw, REG_LOAD_PTR, 1); +} + +static void atl1c_configure_tx(struct atl1c_adapter *adapter) +{ + struct atl1c_hw *hw = &adapter->hw; + u32 dev_ctrl_data; + u32 max_pay_load; + u16 tx_offload_thresh; + u32 txq_ctrl_data; + u32 max_pay_load_data; + + tx_offload_thresh = MAX_TX_OFFLOAD_THRESH; + AT_WRITE_REG(hw, REG_TX_TSO_OFFLOAD_THRESH, + (tx_offload_thresh >> 3) & TX_TSO_OFFLOAD_THRESH_MASK); + AT_READ_REG(hw, REG_DEVICE_CTRL, &dev_ctrl_data); + max_pay_load = (dev_ctrl_data >> DEVICE_CTRL_MAX_PAYLOAD_SHIFT) & + DEVICE_CTRL_MAX_PAYLOAD_MASK; + hw->dmaw_block = min_t(u32, max_pay_load, hw->dmaw_block); + max_pay_load = (dev_ctrl_data >> DEVICE_CTRL_MAX_RREQ_SZ_SHIFT) & + DEVICE_CTRL_MAX_RREQ_SZ_MASK; + hw->dmar_block = min_t(u32, max_pay_load, hw->dmar_block); + + txq_ctrl_data = (hw->tpd_burst & TXQ_NUM_TPD_BURST_MASK) << + TXQ_NUM_TPD_BURST_SHIFT; + if (hw->ctrl_flags & ATL1C_TXQ_MODE_ENHANCE) + txq_ctrl_data |= TXQ_CTRL_ENH_MODE; + max_pay_load_data = (atl1c_pay_load_size[hw->dmar_block] & + TXQ_TXF_BURST_NUM_MASK) << TXQ_TXF_BURST_NUM_SHIFT; + if (hw->nic_type == athr_l2c_b || hw->nic_type == athr_l2c_b2) + max_pay_load_data >>= 1; + txq_ctrl_data |= max_pay_load_data; + + AT_WRITE_REG(hw, REG_TXQ_CTRL, txq_ctrl_data); +} + +static void atl1c_configure_rx(struct atl1c_adapter *adapter) +{ + struct atl1c_hw *hw = &adapter->hw; + u32 rxq_ctrl_data; + + rxq_ctrl_data = (hw->rfd_burst & RXQ_RFD_BURST_NUM_MASK) << + RXQ_RFD_BURST_NUM_SHIFT; + + if (hw->ctrl_flags & ATL1C_RX_IPV6_CHKSUM) + rxq_ctrl_data |= IPV6_CHKSUM_CTRL_EN; + if (hw->rss_type == atl1c_rss_ipv4) + rxq_ctrl_data |= RSS_HASH_IPV4; + if (hw->rss_type == atl1c_rss_ipv4_tcp) + rxq_ctrl_data |= RSS_HASH_IPV4_TCP; + if (hw->rss_type == atl1c_rss_ipv6) + rxq_ctrl_data |= RSS_HASH_IPV6; + if (hw->rss_type == atl1c_rss_ipv6_tcp) + rxq_ctrl_data |= RSS_HASH_IPV6_TCP; + if (hw->rss_type != atl1c_rss_disable) + rxq_ctrl_data |= RRS_HASH_CTRL_EN; + + rxq_ctrl_data |= (hw->rss_mode & RSS_MODE_MASK) << + RSS_MODE_SHIFT; + rxq_ctrl_data |= (hw->rss_hash_bits & RSS_HASH_BITS_MASK) << + RSS_HASH_BITS_SHIFT; + if (hw->ctrl_flags & ATL1C_ASPM_CTRL_MON) + rxq_ctrl_data |= (ASPM_THRUPUT_LIMIT_1M & + ASPM_THRUPUT_LIMIT_MASK) << ASPM_THRUPUT_LIMIT_SHIFT; + + AT_WRITE_REG(hw, REG_RXQ_CTRL, rxq_ctrl_data); +} + +static void atl1c_configure_rss(struct atl1c_adapter *adapter) +{ + struct atl1c_hw *hw = &adapter->hw; + + AT_WRITE_REG(hw, REG_IDT_TABLE, hw->indirect_tab); + AT_WRITE_REG(hw, REG_BASE_CPU_NUMBER, hw->base_cpu); +} + +static void atl1c_configure_dma(struct atl1c_adapter *adapter) +{ + struct atl1c_hw *hw = &adapter->hw; + u32 dma_ctrl_data; + + dma_ctrl_data = DMA_CTRL_DMAR_REQ_PRI; + if (hw->ctrl_flags & ATL1C_CMB_ENABLE) + dma_ctrl_data |= DMA_CTRL_CMB_EN; + if (hw->ctrl_flags & ATL1C_SMB_ENABLE) + dma_ctrl_data |= DMA_CTRL_SMB_EN; + else + dma_ctrl_data |= MAC_CTRL_SMB_DIS; + + switch (hw->dma_order) { + case atl1c_dma_ord_in: + dma_ctrl_data |= DMA_CTRL_DMAR_IN_ORDER; + break; + case atl1c_dma_ord_enh: + dma_ctrl_data |= DMA_CTRL_DMAR_ENH_ORDER; + break; + case atl1c_dma_ord_out: + dma_ctrl_data |= DMA_CTRL_DMAR_OUT_ORDER; + break; + default: + break; + } + + dma_ctrl_data |= (((u32)hw->dmar_block) & DMA_CTRL_DMAR_BURST_LEN_MASK) + << DMA_CTRL_DMAR_BURST_LEN_SHIFT; + dma_ctrl_data |= (((u32)hw->dmaw_block) & DMA_CTRL_DMAW_BURST_LEN_MASK) + << DMA_CTRL_DMAW_BURST_LEN_SHIFT; + dma_ctrl_data |= (((u32)hw->dmar_dly_cnt) & DMA_CTRL_DMAR_DLY_CNT_MASK) + << DMA_CTRL_DMAR_DLY_CNT_SHIFT; + dma_ctrl_data |= (((u32)hw->dmaw_dly_cnt) & DMA_CTRL_DMAW_DLY_CNT_MASK) + << DMA_CTRL_DMAW_DLY_CNT_SHIFT; + + AT_WRITE_REG(hw, REG_DMA_CTRL, dma_ctrl_data); +} + +/* + * Stop the mac, transmit and receive units + * hw - Struct containing variables accessed by shared code + * return : 0 or idle status (if error) + */ +static int atl1c_stop_mac(struct atl1c_hw *hw) +{ + u32 data; + + AT_READ_REG(hw, REG_RXQ_CTRL, &data); + data &= ~(RXQ1_CTRL_EN | RXQ2_CTRL_EN | + RXQ3_CTRL_EN | RXQ_CTRL_EN); + AT_WRITE_REG(hw, REG_RXQ_CTRL, data); + + AT_READ_REG(hw, REG_TXQ_CTRL, &data); + data &= ~TXQ_CTRL_EN; + AT_WRITE_REG(hw, REG_TWSI_CTRL, data); + + atl1c_wait_until_idle(hw); + + AT_READ_REG(hw, REG_MAC_CTRL, &data); + data &= ~(MAC_CTRL_TX_EN | MAC_CTRL_RX_EN); + AT_WRITE_REG(hw, REG_MAC_CTRL, data); + + return (int)atl1c_wait_until_idle(hw); +} + +static void atl1c_enable_rx_ctrl(struct atl1c_hw *hw) +{ + u32 data; + + AT_READ_REG(hw, REG_RXQ_CTRL, &data); + switch (hw->adapter->num_rx_queues) { + case 4: + data |= (RXQ3_CTRL_EN | RXQ2_CTRL_EN | RXQ1_CTRL_EN); + break; + case 3: + data |= (RXQ2_CTRL_EN | RXQ1_CTRL_EN); + break; + case 2: + data |= RXQ1_CTRL_EN; + break; + default: + break; + } + data |= RXQ_CTRL_EN; + AT_WRITE_REG(hw, REG_RXQ_CTRL, data); +} + +static void atl1c_enable_tx_ctrl(struct atl1c_hw *hw) +{ + u32 data; + + AT_READ_REG(hw, REG_TXQ_CTRL, &data); + data |= TXQ_CTRL_EN; + AT_WRITE_REG(hw, REG_TXQ_CTRL, data); +} + +/* + * Reset the transmit and receive units; mask and clear all interrupts. + * hw - Struct containing variables accessed by shared code + * return : 0 or idle status (if error) + */ +static int atl1c_reset_mac(struct atl1c_hw *hw) +{ + struct atl1c_adapter *adapter = (struct atl1c_adapter *)hw->adapter; + struct pci_dev *pdev = adapter->pdev; + u32 master_ctrl_data = 0; + + AT_WRITE_REG(hw, REG_IMR, 0); + AT_WRITE_REG(hw, REG_ISR, ISR_DIS_INT); + + atl1c_stop_mac(hw); + /* + * Issue Soft Reset to the MAC. This will reset the chip's + * transmit, receive, DMA. It will not effect + * the current PCI configuration. The global reset bit is self- + * clearing, and should clear within a microsecond. + */ + AT_READ_REG(hw, REG_MASTER_CTRL, &master_ctrl_data); + master_ctrl_data |= MASTER_CTRL_OOB_DIS_OFF; + AT_WRITE_REGW(hw, REG_MASTER_CTRL, ((master_ctrl_data | MASTER_CTRL_SOFT_RST) + & 0xFFFF)); + + AT_WRITE_FLUSH(hw); + msleep(10); + /* Wait at least 10ms for All module to be Idle */ + + if (atl1c_wait_until_idle(hw)) { + dev_err(&pdev->dev, + "MAC state machine can't be idle since" + " disabled for 10ms second\n"); + return -1; + } + return 0; +} + +static void atl1c_disable_l0s_l1(struct atl1c_hw *hw) +{ + u32 pm_ctrl_data; + + AT_READ_REG(hw, REG_PM_CTRL, &pm_ctrl_data); + pm_ctrl_data &= ~(PM_CTRL_L1_ENTRY_TIMER_MASK << + PM_CTRL_L1_ENTRY_TIMER_SHIFT); + pm_ctrl_data &= ~PM_CTRL_CLK_SWH_L1; + pm_ctrl_data &= ~PM_CTRL_ASPM_L0S_EN; + pm_ctrl_data &= ~PM_CTRL_ASPM_L1_EN; + pm_ctrl_data &= ~PM_CTRL_MAC_ASPM_CHK; + pm_ctrl_data &= ~PM_CTRL_SERDES_PD_EX_L1; + + pm_ctrl_data |= PM_CTRL_SERDES_BUDS_RX_L1_EN; + pm_ctrl_data |= PM_CTRL_SERDES_PLL_L1_EN; + pm_ctrl_data |= PM_CTRL_SERDES_L1_EN; + AT_WRITE_REG(hw, REG_PM_CTRL, pm_ctrl_data); +} + +/* + * Set ASPM state. + * Enable/disable L0s/L1 depend on link state. + */ +static void atl1c_set_aspm(struct atl1c_hw *hw, bool linkup) +{ + u32 pm_ctrl_data; + u32 link_ctrl_data; + u32 link_l1_timer = 0xF; + + AT_READ_REG(hw, REG_PM_CTRL, &pm_ctrl_data); + AT_READ_REG(hw, REG_LINK_CTRL, &link_ctrl_data); + + pm_ctrl_data &= ~PM_CTRL_SERDES_PD_EX_L1; + pm_ctrl_data &= ~(PM_CTRL_L1_ENTRY_TIMER_MASK << + PM_CTRL_L1_ENTRY_TIMER_SHIFT); + pm_ctrl_data &= ~(PM_CTRL_LCKDET_TIMER_MASK << + PM_CTRL_LCKDET_TIMER_SHIFT); + pm_ctrl_data |= AT_LCKDET_TIMER << PM_CTRL_LCKDET_TIMER_SHIFT; + + if (hw->nic_type == athr_l2c_b || hw->nic_type == athr_l1d || + hw->nic_type == athr_l2c_b2 || hw->nic_type == athr_l1d_2) { + link_ctrl_data &= ~LINK_CTRL_EXT_SYNC; + if (!(hw->ctrl_flags & ATL1C_APS_MODE_ENABLE)) { + if (hw->nic_type == athr_l2c_b && hw->revision_id == L2CB_V10) + link_ctrl_data |= LINK_CTRL_EXT_SYNC; + } + + AT_WRITE_REG(hw, REG_LINK_CTRL, link_ctrl_data); + + pm_ctrl_data |= PM_CTRL_RCVR_WT_TIMER; + pm_ctrl_data &= ~(PM_CTRL_PM_REQ_TIMER_MASK << + PM_CTRL_PM_REQ_TIMER_SHIFT); + pm_ctrl_data |= AT_ASPM_L1_TIMER << + PM_CTRL_PM_REQ_TIMER_SHIFT; + pm_ctrl_data &= ~PM_CTRL_SA_DLY_EN; + pm_ctrl_data &= ~PM_CTRL_HOTRST; + pm_ctrl_data |= 1 << PM_CTRL_L1_ENTRY_TIMER_SHIFT; + pm_ctrl_data |= PM_CTRL_SERDES_PD_EX_L1; + } + pm_ctrl_data |= PM_CTRL_MAC_ASPM_CHK; + if (linkup) { + pm_ctrl_data &= ~PM_CTRL_ASPM_L1_EN; + pm_ctrl_data &= ~PM_CTRL_ASPM_L0S_EN; + if (hw->ctrl_flags & ATL1C_ASPM_L1_SUPPORT) + pm_ctrl_data |= PM_CTRL_ASPM_L1_EN; + if (hw->ctrl_flags & ATL1C_ASPM_L0S_SUPPORT) + pm_ctrl_data |= PM_CTRL_ASPM_L0S_EN; + + if (hw->nic_type == athr_l2c_b || hw->nic_type == athr_l1d || + hw->nic_type == athr_l2c_b2 || hw->nic_type == athr_l1d_2) { + if (hw->nic_type == athr_l2c_b) + if (!(hw->ctrl_flags & ATL1C_APS_MODE_ENABLE)) + pm_ctrl_data &= ~PM_CTRL_ASPM_L0S_EN; + pm_ctrl_data &= ~PM_CTRL_SERDES_L1_EN; + pm_ctrl_data &= ~PM_CTRL_SERDES_PLL_L1_EN; + pm_ctrl_data &= ~PM_CTRL_SERDES_BUDS_RX_L1_EN; + pm_ctrl_data |= PM_CTRL_CLK_SWH_L1; + if (hw->adapter->link_speed == SPEED_100 || + hw->adapter->link_speed == SPEED_1000) { + pm_ctrl_data &= ~(PM_CTRL_L1_ENTRY_TIMER_MASK << + PM_CTRL_L1_ENTRY_TIMER_SHIFT); + if (hw->nic_type == athr_l2c_b) + link_l1_timer = 7; + else if (hw->nic_type == athr_l2c_b2 || + hw->nic_type == athr_l1d_2) + link_l1_timer = 4; + pm_ctrl_data |= link_l1_timer << + PM_CTRL_L1_ENTRY_TIMER_SHIFT; + } + } else { + pm_ctrl_data |= PM_CTRL_SERDES_L1_EN; + pm_ctrl_data |= PM_CTRL_SERDES_PLL_L1_EN; + pm_ctrl_data |= PM_CTRL_SERDES_BUDS_RX_L1_EN; + pm_ctrl_data &= ~PM_CTRL_CLK_SWH_L1; + pm_ctrl_data &= ~PM_CTRL_ASPM_L0S_EN; + pm_ctrl_data &= ~PM_CTRL_ASPM_L1_EN; + + } + } else { + pm_ctrl_data &= ~PM_CTRL_SERDES_L1_EN; + pm_ctrl_data &= ~PM_CTRL_ASPM_L0S_EN; + pm_ctrl_data &= ~PM_CTRL_SERDES_PLL_L1_EN; + pm_ctrl_data |= PM_CTRL_CLK_SWH_L1; + + if (hw->ctrl_flags & ATL1C_ASPM_L1_SUPPORT) + pm_ctrl_data |= PM_CTRL_ASPM_L1_EN; + else + pm_ctrl_data &= ~PM_CTRL_ASPM_L1_EN; + } + AT_WRITE_REG(hw, REG_PM_CTRL, pm_ctrl_data); + + return; +} + +static void atl1c_setup_mac_ctrl(struct atl1c_adapter *adapter) +{ + struct atl1c_hw *hw = &adapter->hw; + struct net_device *netdev = adapter->netdev; + u32 mac_ctrl_data; + + mac_ctrl_data = MAC_CTRL_TX_EN | MAC_CTRL_RX_EN; + mac_ctrl_data |= (MAC_CTRL_TX_FLOW | MAC_CTRL_RX_FLOW); + + if (adapter->link_duplex == FULL_DUPLEX) { + hw->mac_duplex = true; + mac_ctrl_data |= MAC_CTRL_DUPLX; + } + + if (adapter->link_speed == SPEED_1000) + hw->mac_speed = atl1c_mac_speed_1000; + else + hw->mac_speed = atl1c_mac_speed_10_100; + + mac_ctrl_data |= (hw->mac_speed & MAC_CTRL_SPEED_MASK) << + MAC_CTRL_SPEED_SHIFT; + + mac_ctrl_data |= (MAC_CTRL_ADD_CRC | MAC_CTRL_PAD); + mac_ctrl_data |= ((hw->preamble_len & MAC_CTRL_PRMLEN_MASK) << + MAC_CTRL_PRMLEN_SHIFT); + + __atl1c_vlan_mode(netdev->features, &mac_ctrl_data); + + mac_ctrl_data |= MAC_CTRL_BC_EN; + if (netdev->flags & IFF_PROMISC) + mac_ctrl_data |= MAC_CTRL_PROMIS_EN; + if (netdev->flags & IFF_ALLMULTI) + mac_ctrl_data |= MAC_CTRL_MC_ALL_EN; + + mac_ctrl_data |= MAC_CTRL_SINGLE_PAUSE_EN; + if (hw->nic_type == athr_l1d || hw->nic_type == athr_l2c_b2 || + hw->nic_type == athr_l1d_2) { + mac_ctrl_data |= MAC_CTRL_SPEED_MODE_SW; + mac_ctrl_data |= MAC_CTRL_HASH_ALG_CRC32; + } + AT_WRITE_REG(hw, REG_MAC_CTRL, mac_ctrl_data); +} + +/* + * atl1c_configure - Configure Transmit&Receive Unit after Reset + * @adapter: board private structure + * + * Configure the Tx /Rx unit of the MAC after a reset. + */ +static int atl1c_configure(struct atl1c_adapter *adapter) +{ + struct atl1c_hw *hw = &adapter->hw; + u32 master_ctrl_data = 0; + u32 intr_modrt_data; + u32 data; + + /* clear interrupt status */ + AT_WRITE_REG(hw, REG_ISR, 0xFFFFFFFF); + /* Clear any WOL status */ + AT_WRITE_REG(hw, REG_WOL_CTRL, 0); + /* set Interrupt Clear Timer + * HW will enable self to assert interrupt event to system after + * waiting x-time for software to notify it accept interrupt. + */ + + data = CLK_GATING_EN_ALL; + if (hw->ctrl_flags & ATL1C_CLK_GATING_EN) { + if (hw->nic_type == athr_l2c_b) + data &= ~CLK_GATING_RXMAC_EN; + } else + data = 0; + AT_WRITE_REG(hw, REG_CLK_GATING_CTRL, data); + + AT_WRITE_REG(hw, REG_INT_RETRIG_TIMER, + hw->ict & INT_RETRIG_TIMER_MASK); + + atl1c_configure_des_ring(adapter); + + if (hw->ctrl_flags & ATL1C_INTR_MODRT_ENABLE) { + intr_modrt_data = (hw->tx_imt & IRQ_MODRT_TIMER_MASK) << + IRQ_MODRT_TX_TIMER_SHIFT; + intr_modrt_data |= (hw->rx_imt & IRQ_MODRT_TIMER_MASK) << + IRQ_MODRT_RX_TIMER_SHIFT; + AT_WRITE_REG(hw, REG_IRQ_MODRT_TIMER_INIT, intr_modrt_data); + master_ctrl_data |= + MASTER_CTRL_TX_ITIMER_EN | MASTER_CTRL_RX_ITIMER_EN; + } + + if (hw->ctrl_flags & ATL1C_INTR_CLEAR_ON_READ) + master_ctrl_data |= MASTER_CTRL_INT_RDCLR; + + master_ctrl_data |= MASTER_CTRL_SA_TIMER_EN; + AT_WRITE_REG(hw, REG_MASTER_CTRL, master_ctrl_data); + + if (hw->ctrl_flags & ATL1C_CMB_ENABLE) { + AT_WRITE_REG(hw, REG_CMB_TPD_THRESH, + hw->cmb_tpd & CMB_TPD_THRESH_MASK); + AT_WRITE_REG(hw, REG_CMB_TX_TIMER, + hw->cmb_tx_timer & CMB_TX_TIMER_MASK); + } + + if (hw->ctrl_flags & ATL1C_SMB_ENABLE) + AT_WRITE_REG(hw, REG_SMB_STAT_TIMER, + hw->smb_timer & SMB_STAT_TIMER_MASK); + /* set MTU */ + AT_WRITE_REG(hw, REG_MTU, hw->max_frame_size + ETH_HLEN + + VLAN_HLEN + ETH_FCS_LEN); + /* HDS, disable */ + AT_WRITE_REG(hw, REG_HDS_CTRL, 0); + + atl1c_configure_tx(adapter); + atl1c_configure_rx(adapter); + atl1c_configure_rss(adapter); + atl1c_configure_dma(adapter); + + return 0; +} + +static void atl1c_update_hw_stats(struct atl1c_adapter *adapter) +{ + u16 hw_reg_addr = 0; + unsigned long *stats_item = NULL; + u32 data; + + /* update rx status */ + hw_reg_addr = REG_MAC_RX_STATUS_BIN; + stats_item = &adapter->hw_stats.rx_ok; + while (hw_reg_addr <= REG_MAC_RX_STATUS_END) { + AT_READ_REG(&adapter->hw, hw_reg_addr, &data); + *stats_item += data; + stats_item++; + hw_reg_addr += 4; + } +/* update tx status */ + hw_reg_addr = REG_MAC_TX_STATUS_BIN; + stats_item = &adapter->hw_stats.tx_ok; + while (hw_reg_addr <= REG_MAC_TX_STATUS_END) { + AT_READ_REG(&adapter->hw, hw_reg_addr, &data); + *stats_item += data; + stats_item++; + hw_reg_addr += 4; + } +} + +/* + * atl1c_get_stats - Get System Network Statistics + * @netdev: network interface device structure + * + * Returns the address of the device statistics structure. + * The statistics are actually updated from the timer callback. + */ +static struct net_device_stats *atl1c_get_stats(struct net_device *netdev) +{ + struct atl1c_adapter *adapter = netdev_priv(netdev); + struct atl1c_hw_stats *hw_stats = &adapter->hw_stats; + struct net_device_stats *net_stats = &netdev->stats; + + atl1c_update_hw_stats(adapter); + net_stats->rx_packets = hw_stats->rx_ok; + net_stats->tx_packets = hw_stats->tx_ok; + net_stats->rx_bytes = hw_stats->rx_byte_cnt; + net_stats->tx_bytes = hw_stats->tx_byte_cnt; + net_stats->multicast = hw_stats->rx_mcast; + net_stats->collisions = hw_stats->tx_1_col + + hw_stats->tx_2_col * 2 + + hw_stats->tx_late_col + hw_stats->tx_abort_col; + net_stats->rx_errors = hw_stats->rx_frag + hw_stats->rx_fcs_err + + hw_stats->rx_len_err + hw_stats->rx_sz_ov + + hw_stats->rx_rrd_ov + hw_stats->rx_align_err; + net_stats->rx_fifo_errors = hw_stats->rx_rxf_ov; + net_stats->rx_length_errors = hw_stats->rx_len_err; + net_stats->rx_crc_errors = hw_stats->rx_fcs_err; + net_stats->rx_frame_errors = hw_stats->rx_align_err; + net_stats->rx_over_errors = hw_stats->rx_rrd_ov + hw_stats->rx_rxf_ov; + + net_stats->rx_missed_errors = hw_stats->rx_rrd_ov + hw_stats->rx_rxf_ov; + + net_stats->tx_errors = hw_stats->tx_late_col + hw_stats->tx_abort_col + + hw_stats->tx_underrun + hw_stats->tx_trunc; + net_stats->tx_fifo_errors = hw_stats->tx_underrun; + net_stats->tx_aborted_errors = hw_stats->tx_abort_col; + net_stats->tx_window_errors = hw_stats->tx_late_col; + + return net_stats; +} + +static inline void atl1c_clear_phy_int(struct atl1c_adapter *adapter) +{ + u16 phy_data; + + spin_lock(&adapter->mdio_lock); + atl1c_read_phy_reg(&adapter->hw, MII_ISR, &phy_data); + spin_unlock(&adapter->mdio_lock); +} + +static bool atl1c_clean_tx_irq(struct atl1c_adapter *adapter, + enum atl1c_trans_queue type) +{ + struct atl1c_tpd_ring *tpd_ring = (struct atl1c_tpd_ring *) + &adapter->tpd_ring[type]; + struct atl1c_buffer *buffer_info; + struct pci_dev *pdev = adapter->pdev; + u16 next_to_clean = atomic_read(&tpd_ring->next_to_clean); + u16 hw_next_to_clean; + u16 shift; + u32 data; + + if (type == atl1c_trans_high) + shift = MB_HTPD_CONS_IDX_SHIFT; + else + shift = MB_NTPD_CONS_IDX_SHIFT; + + AT_READ_REG(&adapter->hw, REG_MB_PRIO_CONS_IDX, &data); + hw_next_to_clean = (data >> shift) & MB_PRIO_PROD_IDX_MASK; + + while (next_to_clean != hw_next_to_clean) { + buffer_info = &tpd_ring->buffer_info[next_to_clean]; + atl1c_clean_buffer(pdev, buffer_info, 1); + if (++next_to_clean == tpd_ring->count) + next_to_clean = 0; + atomic_set(&tpd_ring->next_to_clean, next_to_clean); + } + + if (netif_queue_stopped(adapter->netdev) && + netif_carrier_ok(adapter->netdev)) { + netif_wake_queue(adapter->netdev); + } + + return true; +} + +/* + * atl1c_intr - Interrupt Handler + * @irq: interrupt number + * @data: pointer to a network interface device structure + * @pt_regs: CPU registers structure + */ +static irqreturn_t atl1c_intr(int irq, void *data) +{ + struct net_device *netdev = data; + struct atl1c_adapter *adapter = netdev_priv(netdev); + struct pci_dev *pdev = adapter->pdev; + struct atl1c_hw *hw = &adapter->hw; + int max_ints = AT_MAX_INT_WORK; + int handled = IRQ_NONE; + u32 status; + u32 reg_data; + + do { + AT_READ_REG(hw, REG_ISR, ®_data); + status = reg_data & hw->intr_mask; + + if (status == 0 || (status & ISR_DIS_INT) != 0) { + if (max_ints != AT_MAX_INT_WORK) + handled = IRQ_HANDLED; + break; + } + /* link event */ + if (status & ISR_GPHY) + atl1c_clear_phy_int(adapter); + /* Ack ISR */ + AT_WRITE_REG(hw, REG_ISR, status | ISR_DIS_INT); + if (status & ISR_RX_PKT) { + if (likely(napi_schedule_prep(&adapter->napi))) { + hw->intr_mask &= ~ISR_RX_PKT; + AT_WRITE_REG(hw, REG_IMR, hw->intr_mask); + __napi_schedule(&adapter->napi); + } + } + if (status & ISR_TX_PKT) + atl1c_clean_tx_irq(adapter, atl1c_trans_normal); + + handled = IRQ_HANDLED; + /* check if PCIE PHY Link down */ + if (status & ISR_ERROR) { + if (netif_msg_hw(adapter)) + dev_err(&pdev->dev, + "atl1c hardware error (status = 0x%x)\n", + status & ISR_ERROR); + /* reset MAC */ + adapter->work_event |= ATL1C_WORK_EVENT_RESET; + schedule_work(&adapter->common_task); + return IRQ_HANDLED; + } + + if (status & ISR_OVER) + if (netif_msg_intr(adapter)) + dev_warn(&pdev->dev, + "TX/RX overflow (status = 0x%x)\n", + status & ISR_OVER); + + /* link event */ + if (status & (ISR_GPHY | ISR_MANUAL)) { + netdev->stats.tx_carrier_errors++; + atl1c_link_chg_event(adapter); + break; + } + + } while (--max_ints > 0); + /* re-enable Interrupt*/ + AT_WRITE_REG(&adapter->hw, REG_ISR, 0); + return handled; +} + +static inline void atl1c_rx_checksum(struct atl1c_adapter *adapter, + struct sk_buff *skb, struct atl1c_recv_ret_status *prrs) +{ + /* + * The pid field in RRS in not correct sometimes, so we + * cannot figure out if the packet is fragmented or not, + * so we tell the KERNEL CHECKSUM_NONE + */ + skb_checksum_none_assert(skb); +} + +static int atl1c_alloc_rx_buffer(struct atl1c_adapter *adapter, const int ringid) +{ + struct atl1c_rfd_ring *rfd_ring = &adapter->rfd_ring[ringid]; + struct pci_dev *pdev = adapter->pdev; + struct atl1c_buffer *buffer_info, *next_info; + struct sk_buff *skb; + void *vir_addr = NULL; + u16 num_alloc = 0; + u16 rfd_next_to_use, next_next; + struct atl1c_rx_free_desc *rfd_desc; + + next_next = rfd_next_to_use = rfd_ring->next_to_use; + if (++next_next == rfd_ring->count) + next_next = 0; + buffer_info = &rfd_ring->buffer_info[rfd_next_to_use]; + next_info = &rfd_ring->buffer_info[next_next]; + + while (next_info->flags & ATL1C_BUFFER_FREE) { + rfd_desc = ATL1C_RFD_DESC(rfd_ring, rfd_next_to_use); + + skb = dev_alloc_skb(adapter->rx_buffer_len); + if (unlikely(!skb)) { + if (netif_msg_rx_err(adapter)) + dev_warn(&pdev->dev, "alloc rx buffer failed\n"); + break; + } + + /* + * Make buffer alignment 2 beyond a 16 byte boundary + * this will result in a 16 byte aligned IP header after + * the 14 byte MAC header is removed + */ + vir_addr = skb->data; + ATL1C_SET_BUFFER_STATE(buffer_info, ATL1C_BUFFER_BUSY); + buffer_info->skb = skb; + buffer_info->length = adapter->rx_buffer_len; + buffer_info->dma = pci_map_single(pdev, vir_addr, + buffer_info->length, + PCI_DMA_FROMDEVICE); + ATL1C_SET_PCIMAP_TYPE(buffer_info, ATL1C_PCIMAP_SINGLE, + ATL1C_PCIMAP_FROMDEVICE); + rfd_desc->buffer_addr = cpu_to_le64(buffer_info->dma); + rfd_next_to_use = next_next; + if (++next_next == rfd_ring->count) + next_next = 0; + buffer_info = &rfd_ring->buffer_info[rfd_next_to_use]; + next_info = &rfd_ring->buffer_info[next_next]; + num_alloc++; + } + + if (num_alloc) { + /* TODO: update mailbox here */ + wmb(); + rfd_ring->next_to_use = rfd_next_to_use; + AT_WRITE_REG(&adapter->hw, atl1c_rfd_prod_idx_regs[ringid], + rfd_ring->next_to_use & MB_RFDX_PROD_IDX_MASK); + } + + return num_alloc; +} + +static void atl1c_clean_rrd(struct atl1c_rrd_ring *rrd_ring, + struct atl1c_recv_ret_status *rrs, u16 num) +{ + u16 i; + /* the relationship between rrd and rfd is one map one */ + for (i = 0; i < num; i++, rrs = ATL1C_RRD_DESC(rrd_ring, + rrd_ring->next_to_clean)) { + rrs->word3 &= ~RRS_RXD_UPDATED; + if (++rrd_ring->next_to_clean == rrd_ring->count) + rrd_ring->next_to_clean = 0; + } +} + +static void atl1c_clean_rfd(struct atl1c_rfd_ring *rfd_ring, + struct atl1c_recv_ret_status *rrs, u16 num) +{ + u16 i; + u16 rfd_index; + struct atl1c_buffer *buffer_info = rfd_ring->buffer_info; + + rfd_index = (rrs->word0 >> RRS_RX_RFD_INDEX_SHIFT) & + RRS_RX_RFD_INDEX_MASK; + for (i = 0; i < num; i++) { + buffer_info[rfd_index].skb = NULL; + ATL1C_SET_BUFFER_STATE(&buffer_info[rfd_index], + ATL1C_BUFFER_FREE); + if (++rfd_index == rfd_ring->count) + rfd_index = 0; + } + rfd_ring->next_to_clean = rfd_index; +} + +static void atl1c_clean_rx_irq(struct atl1c_adapter *adapter, u8 que, + int *work_done, int work_to_do) +{ + u16 rfd_num, rfd_index; + u16 count = 0; + u16 length; + struct pci_dev *pdev = adapter->pdev; + struct net_device *netdev = adapter->netdev; + struct atl1c_rfd_ring *rfd_ring = &adapter->rfd_ring[que]; + struct atl1c_rrd_ring *rrd_ring = &adapter->rrd_ring[que]; + struct sk_buff *skb; + struct atl1c_recv_ret_status *rrs; + struct atl1c_buffer *buffer_info; + + while (1) { + if (*work_done >= work_to_do) + break; + rrs = ATL1C_RRD_DESC(rrd_ring, rrd_ring->next_to_clean); + if (likely(RRS_RXD_IS_VALID(rrs->word3))) { + rfd_num = (rrs->word0 >> RRS_RX_RFD_CNT_SHIFT) & + RRS_RX_RFD_CNT_MASK; + if (unlikely(rfd_num != 1)) + /* TODO support mul rfd*/ + if (netif_msg_rx_err(adapter)) + dev_warn(&pdev->dev, + "Multi rfd not support yet!\n"); + goto rrs_checked; + } else { + break; + } +rrs_checked: + atl1c_clean_rrd(rrd_ring, rrs, rfd_num); + if (rrs->word3 & (RRS_RX_ERR_SUM | RRS_802_3_LEN_ERR)) { + atl1c_clean_rfd(rfd_ring, rrs, rfd_num); + if (netif_msg_rx_err(adapter)) + dev_warn(&pdev->dev, + "wrong packet! rrs word3 is %x\n", + rrs->word3); + continue; + } + + length = le16_to_cpu((rrs->word3 >> RRS_PKT_SIZE_SHIFT) & + RRS_PKT_SIZE_MASK); + /* Good Receive */ + if (likely(rfd_num == 1)) { + rfd_index = (rrs->word0 >> RRS_RX_RFD_INDEX_SHIFT) & + RRS_RX_RFD_INDEX_MASK; + buffer_info = &rfd_ring->buffer_info[rfd_index]; + pci_unmap_single(pdev, buffer_info->dma, + buffer_info->length, PCI_DMA_FROMDEVICE); + skb = buffer_info->skb; + } else { + /* TODO */ + if (netif_msg_rx_err(adapter)) + dev_warn(&pdev->dev, + "Multi rfd not support yet!\n"); + break; + } + atl1c_clean_rfd(rfd_ring, rrs, rfd_num); + skb_put(skb, length - ETH_FCS_LEN); + skb->protocol = eth_type_trans(skb, netdev); + atl1c_rx_checksum(adapter, skb, rrs); + if (rrs->word3 & RRS_VLAN_INS) { + u16 vlan; + + AT_TAG_TO_VLAN(rrs->vlan_tag, vlan); + vlan = le16_to_cpu(vlan); + __vlan_hwaccel_put_tag(skb, vlan); + } + netif_receive_skb(skb); + + (*work_done)++; + count++; + } + if (count) + atl1c_alloc_rx_buffer(adapter, que); +} + +/* + * atl1c_clean - NAPI Rx polling callback + * @adapter: board private structure + */ +static int atl1c_clean(struct napi_struct *napi, int budget) +{ + struct atl1c_adapter *adapter = + container_of(napi, struct atl1c_adapter, napi); + int work_done = 0; + + /* Keep link state information with original netdev */ + if (!netif_carrier_ok(adapter->netdev)) + goto quit_polling; + /* just enable one RXQ */ + atl1c_clean_rx_irq(adapter, 0, &work_done, budget); + + if (work_done < budget) { +quit_polling: + napi_complete(napi); + adapter->hw.intr_mask |= ISR_RX_PKT; + AT_WRITE_REG(&adapter->hw, REG_IMR, adapter->hw.intr_mask); + } + return work_done; +} + +#ifdef CONFIG_NET_POLL_CONTROLLER + +/* + * Polling 'interrupt' - used by things like netconsole to send skbs + * without having to re-enable interrupts. It's not called while + * the interrupt routine is executing. + */ +static void atl1c_netpoll(struct net_device *netdev) +{ + struct atl1c_adapter *adapter = netdev_priv(netdev); + + disable_irq(adapter->pdev->irq); + atl1c_intr(adapter->pdev->irq, netdev); + enable_irq(adapter->pdev->irq); +} +#endif + +static inline u16 atl1c_tpd_avail(struct atl1c_adapter *adapter, enum atl1c_trans_queue type) +{ + struct atl1c_tpd_ring *tpd_ring = &adapter->tpd_ring[type]; + u16 next_to_use = 0; + u16 next_to_clean = 0; + + next_to_clean = atomic_read(&tpd_ring->next_to_clean); + next_to_use = tpd_ring->next_to_use; + + return (u16)(next_to_clean > next_to_use) ? + (next_to_clean - next_to_use - 1) : + (tpd_ring->count + next_to_clean - next_to_use - 1); +} + +/* + * get next usable tpd + * Note: should call atl1c_tdp_avail to make sure + * there is enough tpd to use + */ +static struct atl1c_tpd_desc *atl1c_get_tpd(struct atl1c_adapter *adapter, + enum atl1c_trans_queue type) +{ + struct atl1c_tpd_ring *tpd_ring = &adapter->tpd_ring[type]; + struct atl1c_tpd_desc *tpd_desc; + u16 next_to_use = 0; + + next_to_use = tpd_ring->next_to_use; + if (++tpd_ring->next_to_use == tpd_ring->count) + tpd_ring->next_to_use = 0; + tpd_desc = ATL1C_TPD_DESC(tpd_ring, next_to_use); + memset(tpd_desc, 0, sizeof(struct atl1c_tpd_desc)); + return tpd_desc; +} + +static struct atl1c_buffer * +atl1c_get_tx_buffer(struct atl1c_adapter *adapter, struct atl1c_tpd_desc *tpd) +{ + struct atl1c_tpd_ring *tpd_ring = adapter->tpd_ring; + + return &tpd_ring->buffer_info[tpd - + (struct atl1c_tpd_desc *)tpd_ring->desc]; +} + +/* Calculate the transmit packet descript needed*/ +static u16 atl1c_cal_tpd_req(const struct sk_buff *skb) +{ + u16 tpd_req; + u16 proto_hdr_len = 0; + + tpd_req = skb_shinfo(skb)->nr_frags + 1; + + if (skb_is_gso(skb)) { + proto_hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb); + if (proto_hdr_len < skb_headlen(skb)) + tpd_req++; + if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6) + tpd_req++; + } + return tpd_req; +} + +static int atl1c_tso_csum(struct atl1c_adapter *adapter, + struct sk_buff *skb, + struct atl1c_tpd_desc **tpd, + enum atl1c_trans_queue type) +{ + struct pci_dev *pdev = adapter->pdev; + u8 hdr_len; + u32 real_len; + unsigned short offload_type; + int err; + + if (skb_is_gso(skb)) { + if (skb_header_cloned(skb)) { + err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC); + if (unlikely(err)) + return -1; + } + offload_type = skb_shinfo(skb)->gso_type; + + if (offload_type & SKB_GSO_TCPV4) { + real_len = (((unsigned char *)ip_hdr(skb) - skb->data) + + ntohs(ip_hdr(skb)->tot_len)); + + if (real_len < skb->len) + pskb_trim(skb, real_len); + + hdr_len = (skb_transport_offset(skb) + tcp_hdrlen(skb)); + if (unlikely(skb->len == hdr_len)) { + /* only xsum need */ + if (netif_msg_tx_queued(adapter)) + dev_warn(&pdev->dev, + "IPV4 tso with zero data??\n"); + goto check_sum; + } else { + ip_hdr(skb)->check = 0; + tcp_hdr(skb)->check = ~csum_tcpudp_magic( + ip_hdr(skb)->saddr, + ip_hdr(skb)->daddr, + 0, IPPROTO_TCP, 0); + (*tpd)->word1 |= 1 << TPD_IPV4_PACKET_SHIFT; + } + } + + if (offload_type & SKB_GSO_TCPV6) { + struct atl1c_tpd_ext_desc *etpd = + *(struct atl1c_tpd_ext_desc **)(tpd); + + memset(etpd, 0, sizeof(struct atl1c_tpd_ext_desc)); + *tpd = atl1c_get_tpd(adapter, type); + ipv6_hdr(skb)->payload_len = 0; + /* check payload == 0 byte ? */ + hdr_len = (skb_transport_offset(skb) + tcp_hdrlen(skb)); + if (unlikely(skb->len == hdr_len)) { + /* only xsum need */ + if (netif_msg_tx_queued(adapter)) + dev_warn(&pdev->dev, + "IPV6 tso with zero data??\n"); + goto check_sum; + } else + tcp_hdr(skb)->check = ~csum_ipv6_magic( + &ipv6_hdr(skb)->saddr, + &ipv6_hdr(skb)->daddr, + 0, IPPROTO_TCP, 0); + etpd->word1 |= 1 << TPD_LSO_EN_SHIFT; + etpd->word1 |= 1 << TPD_LSO_VER_SHIFT; + etpd->pkt_len = cpu_to_le32(skb->len); + (*tpd)->word1 |= 1 << TPD_LSO_VER_SHIFT; + } + + (*tpd)->word1 |= 1 << TPD_LSO_EN_SHIFT; + (*tpd)->word1 |= (skb_transport_offset(skb) & TPD_TCPHDR_OFFSET_MASK) << + TPD_TCPHDR_OFFSET_SHIFT; + (*tpd)->word1 |= (skb_shinfo(skb)->gso_size & TPD_MSS_MASK) << + TPD_MSS_SHIFT; + return 0; + } + +check_sum: + if (likely(skb->ip_summed == CHECKSUM_PARTIAL)) { + u8 css, cso; + cso = skb_checksum_start_offset(skb); + + if (unlikely(cso & 0x1)) { + if (netif_msg_tx_err(adapter)) + dev_err(&adapter->pdev->dev, + "payload offset should not an event number\n"); + return -1; + } else { + css = cso + skb->csum_offset; + + (*tpd)->word1 |= ((cso >> 1) & TPD_PLOADOFFSET_MASK) << + TPD_PLOADOFFSET_SHIFT; + (*tpd)->word1 |= ((css >> 1) & TPD_CCSUM_OFFSET_MASK) << + TPD_CCSUM_OFFSET_SHIFT; + (*tpd)->word1 |= 1 << TPD_CCSUM_EN_SHIFT; + } + } + return 0; +} + +static void atl1c_tx_map(struct atl1c_adapter *adapter, + struct sk_buff *skb, struct atl1c_tpd_desc *tpd, + enum atl1c_trans_queue type) +{ + struct atl1c_tpd_desc *use_tpd = NULL; + struct atl1c_buffer *buffer_info = NULL; + u16 buf_len = skb_headlen(skb); + u16 map_len = 0; + u16 mapped_len = 0; + u16 hdr_len = 0; + u16 nr_frags; + u16 f; + int tso; + + nr_frags = skb_shinfo(skb)->nr_frags; + tso = (tpd->word1 >> TPD_LSO_EN_SHIFT) & TPD_LSO_EN_MASK; + if (tso) { + /* TSO */ + map_len = hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb); + use_tpd = tpd; + + buffer_info = atl1c_get_tx_buffer(adapter, use_tpd); + buffer_info->length = map_len; + buffer_info->dma = pci_map_single(adapter->pdev, + skb->data, hdr_len, PCI_DMA_TODEVICE); + ATL1C_SET_BUFFER_STATE(buffer_info, ATL1C_BUFFER_BUSY); + ATL1C_SET_PCIMAP_TYPE(buffer_info, ATL1C_PCIMAP_SINGLE, + ATL1C_PCIMAP_TODEVICE); + mapped_len += map_len; + use_tpd->buffer_addr = cpu_to_le64(buffer_info->dma); + use_tpd->buffer_len = cpu_to_le16(buffer_info->length); + } + + if (mapped_len < buf_len) { + /* mapped_len == 0, means we should use the first tpd, + which is given by caller */ + if (mapped_len == 0) + use_tpd = tpd; + else { + use_tpd = atl1c_get_tpd(adapter, type); + memcpy(use_tpd, tpd, sizeof(struct atl1c_tpd_desc)); + } + buffer_info = atl1c_get_tx_buffer(adapter, use_tpd); + buffer_info->length = buf_len - mapped_len; + buffer_info->dma = + pci_map_single(adapter->pdev, skb->data + mapped_len, + buffer_info->length, PCI_DMA_TODEVICE); + ATL1C_SET_BUFFER_STATE(buffer_info, ATL1C_BUFFER_BUSY); + ATL1C_SET_PCIMAP_TYPE(buffer_info, ATL1C_PCIMAP_SINGLE, + ATL1C_PCIMAP_TODEVICE); + use_tpd->buffer_addr = cpu_to_le64(buffer_info->dma); + use_tpd->buffer_len = cpu_to_le16(buffer_info->length); + } + + for (f = 0; f < nr_frags; f++) { + struct skb_frag_struct *frag; + + frag = &skb_shinfo(skb)->frags[f]; + + use_tpd = atl1c_get_tpd(adapter, type); + memcpy(use_tpd, tpd, sizeof(struct atl1c_tpd_desc)); + + buffer_info = atl1c_get_tx_buffer(adapter, use_tpd); + buffer_info->length = frag->size; + buffer_info->dma = + pci_map_page(adapter->pdev, frag->page, + frag->page_offset, + buffer_info->length, + PCI_DMA_TODEVICE); + ATL1C_SET_BUFFER_STATE(buffer_info, ATL1C_BUFFER_BUSY); + ATL1C_SET_PCIMAP_TYPE(buffer_info, ATL1C_PCIMAP_PAGE, + ATL1C_PCIMAP_TODEVICE); + use_tpd->buffer_addr = cpu_to_le64(buffer_info->dma); + use_tpd->buffer_len = cpu_to_le16(buffer_info->length); + } + + /* The last tpd */ + use_tpd->word1 |= 1 << TPD_EOP_SHIFT; + /* The last buffer info contain the skb address, + so it will be free after unmap */ + buffer_info->skb = skb; +} + +static void atl1c_tx_queue(struct atl1c_adapter *adapter, struct sk_buff *skb, + struct atl1c_tpd_desc *tpd, enum atl1c_trans_queue type) +{ + struct atl1c_tpd_ring *tpd_ring = &adapter->tpd_ring[type]; + u32 prod_data; + + AT_READ_REG(&adapter->hw, REG_MB_PRIO_PROD_IDX, &prod_data); + switch (type) { + case atl1c_trans_high: + prod_data &= 0xFFFF0000; + prod_data |= tpd_ring->next_to_use & 0xFFFF; + break; + case atl1c_trans_normal: + prod_data &= 0x0000FFFF; + prod_data |= (tpd_ring->next_to_use & 0xFFFF) << 16; + break; + default: + break; + } + wmb(); + AT_WRITE_REG(&adapter->hw, REG_MB_PRIO_PROD_IDX, prod_data); +} + +static netdev_tx_t atl1c_xmit_frame(struct sk_buff *skb, + struct net_device *netdev) +{ + struct atl1c_adapter *adapter = netdev_priv(netdev); + unsigned long flags; + u16 tpd_req = 1; + struct atl1c_tpd_desc *tpd; + enum atl1c_trans_queue type = atl1c_trans_normal; + + if (test_bit(__AT_DOWN, &adapter->flags)) { + dev_kfree_skb_any(skb); + return NETDEV_TX_OK; + } + + tpd_req = atl1c_cal_tpd_req(skb); + if (!spin_trylock_irqsave(&adapter->tx_lock, flags)) { + if (netif_msg_pktdata(adapter)) + dev_info(&adapter->pdev->dev, "tx locked\n"); + return NETDEV_TX_LOCKED; + } + if (skb->mark == 0x01) + type = atl1c_trans_high; + else + type = atl1c_trans_normal; + + if (atl1c_tpd_avail(adapter, type) < tpd_req) { + /* no enough descriptor, just stop queue */ + netif_stop_queue(netdev); + spin_unlock_irqrestore(&adapter->tx_lock, flags); + return NETDEV_TX_BUSY; + } + + tpd = atl1c_get_tpd(adapter, type); + + /* do TSO and check sum */ + if (atl1c_tso_csum(adapter, skb, &tpd, type) != 0) { + spin_unlock_irqrestore(&adapter->tx_lock, flags); + dev_kfree_skb_any(skb); + return NETDEV_TX_OK; + } + + if (unlikely(vlan_tx_tag_present(skb))) { + u16 vlan = vlan_tx_tag_get(skb); + __le16 tag; + + vlan = cpu_to_le16(vlan); + AT_VLAN_TO_TAG(vlan, tag); + tpd->word1 |= 1 << TPD_INS_VTAG_SHIFT; + tpd->vlan_tag = tag; + } + + if (skb_network_offset(skb) != ETH_HLEN) + tpd->word1 |= 1 << TPD_ETH_TYPE_SHIFT; /* Ethernet frame */ + + atl1c_tx_map(adapter, skb, tpd, type); + atl1c_tx_queue(adapter, skb, tpd, type); + + spin_unlock_irqrestore(&adapter->tx_lock, flags); + return NETDEV_TX_OK; +} + +static void atl1c_free_irq(struct atl1c_adapter *adapter) +{ + struct net_device *netdev = adapter->netdev; + + free_irq(adapter->pdev->irq, netdev); + + if (adapter->have_msi) + pci_disable_msi(adapter->pdev); +} + +static int atl1c_request_irq(struct atl1c_adapter *adapter) +{ + struct pci_dev *pdev = adapter->pdev; + struct net_device *netdev = adapter->netdev; + int flags = 0; + int err = 0; + + adapter->have_msi = true; + err = pci_enable_msi(adapter->pdev); + if (err) { + if (netif_msg_ifup(adapter)) + dev_err(&pdev->dev, + "Unable to allocate MSI interrupt Error: %d\n", + err); + adapter->have_msi = false; + } else + netdev->irq = pdev->irq; + + if (!adapter->have_msi) + flags |= IRQF_SHARED; + err = request_irq(adapter->pdev->irq, atl1c_intr, flags, + netdev->name, netdev); + if (err) { + if (netif_msg_ifup(adapter)) + dev_err(&pdev->dev, + "Unable to allocate interrupt Error: %d\n", + err); + if (adapter->have_msi) + pci_disable_msi(adapter->pdev); + return err; + } + if (netif_msg_ifup(adapter)) + dev_dbg(&pdev->dev, "atl1c_request_irq OK\n"); + return err; +} + +static int atl1c_up(struct atl1c_adapter *adapter) +{ + struct net_device *netdev = adapter->netdev; + int num; + int err; + int i; + + netif_carrier_off(netdev); + atl1c_init_ring_ptrs(adapter); + atl1c_set_multi(netdev); + atl1c_restore_vlan(adapter); + + for (i = 0; i < adapter->num_rx_queues; i++) { + num = atl1c_alloc_rx_buffer(adapter, i); + if (unlikely(num == 0)) { + err = -ENOMEM; + goto err_alloc_rx; + } + } + + if (atl1c_configure(adapter)) { + err = -EIO; + goto err_up; + } + + err = atl1c_request_irq(adapter); + if (unlikely(err)) + goto err_up; + + clear_bit(__AT_DOWN, &adapter->flags); + napi_enable(&adapter->napi); + atl1c_irq_enable(adapter); + atl1c_check_link_status(adapter); + netif_start_queue(netdev); + return err; + +err_up: +err_alloc_rx: + atl1c_clean_rx_ring(adapter); + return err; +} + +static void atl1c_down(struct atl1c_adapter *adapter) +{ + struct net_device *netdev = adapter->netdev; + + atl1c_del_timer(adapter); + adapter->work_event = 0; /* clear all event */ + /* signal that we're down so the interrupt handler does not + * reschedule our watchdog timer */ + set_bit(__AT_DOWN, &adapter->flags); + netif_carrier_off(netdev); + napi_disable(&adapter->napi); + atl1c_irq_disable(adapter); + atl1c_free_irq(adapter); + /* reset MAC to disable all RX/TX */ + atl1c_reset_mac(&adapter->hw); + msleep(1); + + adapter->link_speed = SPEED_0; + adapter->link_duplex = -1; + atl1c_clean_tx_ring(adapter, atl1c_trans_normal); + atl1c_clean_tx_ring(adapter, atl1c_trans_high); + atl1c_clean_rx_ring(adapter); +} + +/* + * atl1c_open - Called when a network interface is made active + * @netdev: network interface device structure + * + * Returns 0 on success, negative value on failure + * + * The open entry point is called when a network interface is made + * active by the system (IFF_UP). At this point all resources needed + * for transmit and receive operations are allocated, the interrupt + * handler is registered with the OS, the watchdog timer is started, + * and the stack is notified that the interface is ready. + */ +static int atl1c_open(struct net_device *netdev) +{ + struct atl1c_adapter *adapter = netdev_priv(netdev); + int err; + + /* disallow open during test */ + if (test_bit(__AT_TESTING, &adapter->flags)) + return -EBUSY; + + /* allocate rx/tx dma buffer & descriptors */ + err = atl1c_setup_ring_resources(adapter); + if (unlikely(err)) + return err; + + err = atl1c_up(adapter); + if (unlikely(err)) + goto err_up; + + if (adapter->hw.ctrl_flags & ATL1C_FPGA_VERSION) { + u32 phy_data; + + AT_READ_REG(&adapter->hw, REG_MDIO_CTRL, &phy_data); + phy_data |= MDIO_AP_EN; + AT_WRITE_REG(&adapter->hw, REG_MDIO_CTRL, phy_data); + } + return 0; + +err_up: + atl1c_free_irq(adapter); + atl1c_free_ring_resources(adapter); + atl1c_reset_mac(&adapter->hw); + return err; +} + +/* + * atl1c_close - Disables a network interface + * @netdev: network interface device structure + * + * Returns 0, this is not allowed to fail + * + * The close entry point is called when an interface is de-activated + * by the OS. The hardware is still under the drivers control, but + * needs to be disabled. A global MAC reset is issued to stop the + * hardware, and all transmit and receive resources are freed. + */ +static int atl1c_close(struct net_device *netdev) +{ + struct atl1c_adapter *adapter = netdev_priv(netdev); + + WARN_ON(test_bit(__AT_RESETTING, &adapter->flags)); + atl1c_down(adapter); + atl1c_free_ring_resources(adapter); + return 0; +} + +static int atl1c_suspend(struct device *dev) +{ + struct pci_dev *pdev = to_pci_dev(dev); + struct net_device *netdev = pci_get_drvdata(pdev); + struct atl1c_adapter *adapter = netdev_priv(netdev); + struct atl1c_hw *hw = &adapter->hw; + u32 mac_ctrl_data = 0; + u32 master_ctrl_data = 0; + u32 wol_ctrl_data = 0; + u16 mii_intr_status_data = 0; + u32 wufc = adapter->wol; + + atl1c_disable_l0s_l1(hw); + if (netif_running(netdev)) { + WARN_ON(test_bit(__AT_RESETTING, &adapter->flags)); + atl1c_down(adapter); + } + netif_device_detach(netdev); + + if (wufc) + if (atl1c_phy_power_saving(hw) != 0) + dev_dbg(&pdev->dev, "phy power saving failed"); + + AT_READ_REG(hw, REG_MASTER_CTRL, &master_ctrl_data); + AT_READ_REG(hw, REG_MAC_CTRL, &mac_ctrl_data); + + master_ctrl_data &= ~MASTER_CTRL_CLK_SEL_DIS; + mac_ctrl_data &= ~(MAC_CTRL_PRMLEN_MASK << MAC_CTRL_PRMLEN_SHIFT); + mac_ctrl_data |= (((u32)adapter->hw.preamble_len & + MAC_CTRL_PRMLEN_MASK) << + MAC_CTRL_PRMLEN_SHIFT); + mac_ctrl_data &= ~(MAC_CTRL_SPEED_MASK << MAC_CTRL_SPEED_SHIFT); + mac_ctrl_data &= ~MAC_CTRL_DUPLX; + + if (wufc) { + mac_ctrl_data |= MAC_CTRL_RX_EN; + if (adapter->link_speed == SPEED_1000 || + adapter->link_speed == SPEED_0) { + mac_ctrl_data |= atl1c_mac_speed_1000 << + MAC_CTRL_SPEED_SHIFT; + mac_ctrl_data |= MAC_CTRL_DUPLX; + } else + mac_ctrl_data |= atl1c_mac_speed_10_100 << + MAC_CTRL_SPEED_SHIFT; + + if (adapter->link_duplex == DUPLEX_FULL) + mac_ctrl_data |= MAC_CTRL_DUPLX; + + /* turn on magic packet wol */ + if (wufc & AT_WUFC_MAG) + wol_ctrl_data |= WOL_MAGIC_EN | WOL_MAGIC_PME_EN; + + if (wufc & AT_WUFC_LNKC) { + wol_ctrl_data |= WOL_LINK_CHG_EN | WOL_LINK_CHG_PME_EN; + /* only link up can wake up */ + if (atl1c_write_phy_reg(hw, MII_IER, IER_LINK_UP) != 0) { + dev_dbg(&pdev->dev, "%s: read write phy " + "register failed.\n", + atl1c_driver_name); + } + } + /* clear phy interrupt */ + atl1c_read_phy_reg(hw, MII_ISR, &mii_intr_status_data); + /* Config MAC Ctrl register */ + __atl1c_vlan_mode(netdev->features, &mac_ctrl_data); + + /* magic packet maybe Broadcast&multicast&Unicast frame */ + if (wufc & AT_WUFC_MAG) + mac_ctrl_data |= MAC_CTRL_BC_EN; + + dev_dbg(&pdev->dev, + "%s: suspend MAC=0x%x\n", + atl1c_driver_name, mac_ctrl_data); + AT_WRITE_REG(hw, REG_MASTER_CTRL, master_ctrl_data); + AT_WRITE_REG(hw, REG_WOL_CTRL, wol_ctrl_data); + AT_WRITE_REG(hw, REG_MAC_CTRL, mac_ctrl_data); + + AT_WRITE_REG(hw, REG_GPHY_CTRL, GPHY_CTRL_DEFAULT | + GPHY_CTRL_EXT_RESET); + } else { + AT_WRITE_REG(hw, REG_GPHY_CTRL, GPHY_CTRL_POWER_SAVING); + master_ctrl_data |= MASTER_CTRL_CLK_SEL_DIS; + mac_ctrl_data |= atl1c_mac_speed_10_100 << MAC_CTRL_SPEED_SHIFT; + mac_ctrl_data |= MAC_CTRL_DUPLX; + AT_WRITE_REG(hw, REG_MASTER_CTRL, master_ctrl_data); + AT_WRITE_REG(hw, REG_MAC_CTRL, mac_ctrl_data); + AT_WRITE_REG(hw, REG_WOL_CTRL, 0); + hw->phy_configured = false; /* re-init PHY when resume */ + } + + return 0; +} + +#ifdef CONFIG_PM_SLEEP +static int atl1c_resume(struct device *dev) +{ + struct pci_dev *pdev = to_pci_dev(dev); + struct net_device *netdev = pci_get_drvdata(pdev); + struct atl1c_adapter *adapter = netdev_priv(netdev); + + AT_WRITE_REG(&adapter->hw, REG_WOL_CTRL, 0); + atl1c_reset_pcie(&adapter->hw, ATL1C_PCIE_L0S_L1_DISABLE | + ATL1C_PCIE_PHY_RESET); + + atl1c_phy_reset(&adapter->hw); + atl1c_reset_mac(&adapter->hw); + atl1c_phy_init(&adapter->hw); + +#if 0 + AT_READ_REG(&adapter->hw, REG_PM_CTRLSTAT, &pm_data); + pm_data &= ~PM_CTRLSTAT_PME_EN; + AT_WRITE_REG(&adapter->hw, REG_PM_CTRLSTAT, pm_data); +#endif + + netif_device_attach(netdev); + if (netif_running(netdev)) + atl1c_up(adapter); + + return 0; +} +#endif + +static void atl1c_shutdown(struct pci_dev *pdev) +{ + struct net_device *netdev = pci_get_drvdata(pdev); + struct atl1c_adapter *adapter = netdev_priv(netdev); + + atl1c_suspend(&pdev->dev); + pci_wake_from_d3(pdev, adapter->wol); + pci_set_power_state(pdev, PCI_D3hot); +} + +static const struct net_device_ops atl1c_netdev_ops = { + .ndo_open = atl1c_open, + .ndo_stop = atl1c_close, + .ndo_validate_addr = eth_validate_addr, + .ndo_start_xmit = atl1c_xmit_frame, + .ndo_set_mac_address = atl1c_set_mac_addr, + .ndo_set_multicast_list = atl1c_set_multi, + .ndo_change_mtu = atl1c_change_mtu, + .ndo_fix_features = atl1c_fix_features, + .ndo_set_features = atl1c_set_features, + .ndo_do_ioctl = atl1c_ioctl, + .ndo_tx_timeout = atl1c_tx_timeout, + .ndo_get_stats = atl1c_get_stats, +#ifdef CONFIG_NET_POLL_CONTROLLER + .ndo_poll_controller = atl1c_netpoll, +#endif +}; + +static int atl1c_init_netdev(struct net_device *netdev, struct pci_dev *pdev) +{ + SET_NETDEV_DEV(netdev, &pdev->dev); + pci_set_drvdata(pdev, netdev); + + netdev->irq = pdev->irq; + netdev->netdev_ops = &atl1c_netdev_ops; + netdev->watchdog_timeo = AT_TX_WATCHDOG; + atl1c_set_ethtool_ops(netdev); + + /* TODO: add when ready */ + netdev->hw_features = NETIF_F_SG | + NETIF_F_HW_CSUM | + NETIF_F_HW_VLAN_RX | + NETIF_F_TSO | + NETIF_F_TSO6; + netdev->features = netdev->hw_features | + NETIF_F_HW_VLAN_TX; + return 0; +} + +/* + * atl1c_probe - Device Initialization Routine + * @pdev: PCI device information struct + * @ent: entry in atl1c_pci_tbl + * + * Returns 0 on success, negative on failure + * + * atl1c_probe initializes an adapter identified by a pci_dev structure. + * The OS initialization, configuring of the adapter private structure, + * and a hardware reset occur. + */ +static int __devinit atl1c_probe(struct pci_dev *pdev, + const struct pci_device_id *ent) +{ + struct net_device *netdev; + struct atl1c_adapter *adapter; + static int cards_found; + + int err = 0; + + /* enable device (incl. PCI PM wakeup and hotplug setup) */ + err = pci_enable_device_mem(pdev); + if (err) { + dev_err(&pdev->dev, "cannot enable PCI device\n"); + return err; + } + + /* + * The atl1c chip can DMA to 64-bit addresses, but it uses a single + * shared register for the high 32 bits, so only a single, aligned, + * 4 GB physical address range can be used at a time. + * + * Supporting 64-bit DMA on this hardware is more trouble than it's + * worth. It is far easier to limit to 32-bit DMA than update + * various kernel subsystems to support the mechanics required by a + * fixed-high-32-bit system. + */ + if ((pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0) || + (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)) != 0)) { + dev_err(&pdev->dev, "No usable DMA configuration,aborting\n"); + goto err_dma; + } + + err = pci_request_regions(pdev, atl1c_driver_name); + if (err) { + dev_err(&pdev->dev, "cannot obtain PCI resources\n"); + goto err_pci_reg; + } + + pci_set_master(pdev); + + netdev = alloc_etherdev(sizeof(struct atl1c_adapter)); + if (netdev == NULL) { + err = -ENOMEM; + dev_err(&pdev->dev, "etherdev alloc failed\n"); + goto err_alloc_etherdev; + } + + err = atl1c_init_netdev(netdev, pdev); + if (err) { + dev_err(&pdev->dev, "init netdevice failed\n"); + goto err_init_netdev; + } + adapter = netdev_priv(netdev); + adapter->bd_number = cards_found; + adapter->netdev = netdev; + adapter->pdev = pdev; + adapter->hw.adapter = adapter; + adapter->msg_enable = netif_msg_init(-1, atl1c_default_msg); + adapter->hw.hw_addr = ioremap(pci_resource_start(pdev, 0), pci_resource_len(pdev, 0)); + if (!adapter->hw.hw_addr) { + err = -EIO; + dev_err(&pdev->dev, "cannot map device registers\n"); + goto err_ioremap; + } + netdev->base_addr = (unsigned long)adapter->hw.hw_addr; + + /* init mii data */ + adapter->mii.dev = netdev; + adapter->mii.mdio_read = atl1c_mdio_read; + adapter->mii.mdio_write = atl1c_mdio_write; + adapter->mii.phy_id_mask = 0x1f; + adapter->mii.reg_num_mask = MDIO_REG_ADDR_MASK; + netif_napi_add(netdev, &adapter->napi, atl1c_clean, 64); + setup_timer(&adapter->phy_config_timer, atl1c_phy_config, + (unsigned long)adapter); + /* setup the private structure */ + err = atl1c_sw_init(adapter); + if (err) { + dev_err(&pdev->dev, "net device private data init failed\n"); + goto err_sw_init; + } + atl1c_reset_pcie(&adapter->hw, ATL1C_PCIE_L0S_L1_DISABLE | + ATL1C_PCIE_PHY_RESET); + + /* Init GPHY as early as possible due to power saving issue */ + atl1c_phy_reset(&adapter->hw); + + err = atl1c_reset_mac(&adapter->hw); + if (err) { + err = -EIO; + goto err_reset; + } + + /* reset the controller to + * put the device in a known good starting state */ + err = atl1c_phy_init(&adapter->hw); + if (err) { + err = -EIO; + goto err_reset; + } + if (atl1c_read_mac_addr(&adapter->hw) != 0) { + err = -EIO; + dev_err(&pdev->dev, "get mac address failed\n"); + goto err_eeprom; + } + memcpy(netdev->dev_addr, adapter->hw.mac_addr, netdev->addr_len); + memcpy(netdev->perm_addr, adapter->hw.mac_addr, netdev->addr_len); + if (netif_msg_probe(adapter)) + dev_dbg(&pdev->dev, "mac address : %pM\n", + adapter->hw.mac_addr); + + atl1c_hw_set_mac_addr(&adapter->hw); + INIT_WORK(&adapter->common_task, atl1c_common_task); + adapter->work_event = 0; + err = register_netdev(netdev); + if (err) { + dev_err(&pdev->dev, "register netdevice failed\n"); + goto err_register; + } + + if (netif_msg_probe(adapter)) + dev_info(&pdev->dev, "version %s\n", ATL1C_DRV_VERSION); + cards_found++; + return 0; + +err_reset: +err_register: +err_sw_init: +err_eeprom: + iounmap(adapter->hw.hw_addr); +err_init_netdev: +err_ioremap: + free_netdev(netdev); +err_alloc_etherdev: + pci_release_regions(pdev); +err_pci_reg: +err_dma: + pci_disable_device(pdev); + return err; +} + +/* + * atl1c_remove - Device Removal Routine + * @pdev: PCI device information struct + * + * atl1c_remove is called by the PCI subsystem to alert the driver + * that it should release a PCI device. The could be caused by a + * Hot-Plug event, or because the driver is going to be removed from + * memory. + */ +static void __devexit atl1c_remove(struct pci_dev *pdev) +{ + struct net_device *netdev = pci_get_drvdata(pdev); + struct atl1c_adapter *adapter = netdev_priv(netdev); + + unregister_netdev(netdev); + atl1c_phy_disable(&adapter->hw); + + iounmap(adapter->hw.hw_addr); + + pci_release_regions(pdev); + pci_disable_device(pdev); + free_netdev(netdev); +} + +/* + * atl1c_io_error_detected - called when PCI error is detected + * @pdev: Pointer to PCI device + * @state: The current pci connection state + * + * This function is called after a PCI bus error affecting + * this device has been detected. + */ +static pci_ers_result_t atl1c_io_error_detected(struct pci_dev *pdev, + pci_channel_state_t state) +{ + struct net_device *netdev = pci_get_drvdata(pdev); + struct atl1c_adapter *adapter = netdev_priv(netdev); + + netif_device_detach(netdev); + + if (state == pci_channel_io_perm_failure) + return PCI_ERS_RESULT_DISCONNECT; + + if (netif_running(netdev)) + atl1c_down(adapter); + + pci_disable_device(pdev); + + /* Request a slot slot reset. */ + return PCI_ERS_RESULT_NEED_RESET; +} + +/* + * atl1c_io_slot_reset - called after the pci bus has been reset. + * @pdev: Pointer to PCI device + * + * Restart the card from scratch, as if from a cold-boot. Implementation + * resembles the first-half of the e1000_resume routine. + */ +static pci_ers_result_t atl1c_io_slot_reset(struct pci_dev *pdev) +{ + struct net_device *netdev = pci_get_drvdata(pdev); + struct atl1c_adapter *adapter = netdev_priv(netdev); + + if (pci_enable_device(pdev)) { + if (netif_msg_hw(adapter)) + dev_err(&pdev->dev, + "Cannot re-enable PCI device after reset\n"); + return PCI_ERS_RESULT_DISCONNECT; + } + pci_set_master(pdev); + + pci_enable_wake(pdev, PCI_D3hot, 0); + pci_enable_wake(pdev, PCI_D3cold, 0); + + atl1c_reset_mac(&adapter->hw); + + return PCI_ERS_RESULT_RECOVERED; +} + +/* + * atl1c_io_resume - called when traffic can start flowing again. + * @pdev: Pointer to PCI device + * + * This callback is called when the error recovery driver tells us that + * its OK to resume normal operation. Implementation resembles the + * second-half of the atl1c_resume routine. + */ +static void atl1c_io_resume(struct pci_dev *pdev) +{ + struct net_device *netdev = pci_get_drvdata(pdev); + struct atl1c_adapter *adapter = netdev_priv(netdev); + + if (netif_running(netdev)) { + if (atl1c_up(adapter)) { + if (netif_msg_hw(adapter)) + dev_err(&pdev->dev, + "Cannot bring device back up after reset\n"); + return; + } + } + + netif_device_attach(netdev); +} + +static struct pci_error_handlers atl1c_err_handler = { + .error_detected = atl1c_io_error_detected, + .slot_reset = atl1c_io_slot_reset, + .resume = atl1c_io_resume, +}; + +static SIMPLE_DEV_PM_OPS(atl1c_pm_ops, atl1c_suspend, atl1c_resume); + +static struct pci_driver atl1c_driver = { + .name = atl1c_driver_name, + .id_table = atl1c_pci_tbl, + .probe = atl1c_probe, + .remove = __devexit_p(atl1c_remove), + .shutdown = atl1c_shutdown, + .err_handler = &atl1c_err_handler, + .driver.pm = &atl1c_pm_ops, +}; + +/* + * atl1c_init_module - Driver Registration Routine + * + * atl1c_init_module is the first routine called when the driver is + * loaded. All it does is register with the PCI subsystem. + */ +static int __init atl1c_init_module(void) +{ + return pci_register_driver(&atl1c_driver); +} + +/* + * atl1c_exit_module - Driver Exit Cleanup Routine + * + * atl1c_exit_module is called just before the driver is removed + * from memory. + */ +static void __exit atl1c_exit_module(void) +{ + pci_unregister_driver(&atl1c_driver); +} + +module_init(atl1c_init_module); +module_exit(atl1c_exit_module); diff --git a/drivers/net/ethernet/atheros/atl1e/Makefile b/drivers/net/ethernet/atheros/atl1e/Makefile new file mode 100644 index 000000000000..bc11be824e76 --- /dev/null +++ b/drivers/net/ethernet/atheros/atl1e/Makefile @@ -0,0 +1,2 @@ +obj-$(CONFIG_ATL1E) += atl1e.o +atl1e-objs += atl1e_main.o atl1e_hw.o atl1e_ethtool.o atl1e_param.o diff --git a/drivers/net/ethernet/atheros/atl1e/atl1e.h b/drivers/net/ethernet/atheros/atl1e/atl1e.h new file mode 100644 index 000000000000..829b5ad71d0d --- /dev/null +++ b/drivers/net/ethernet/atheros/atl1e/atl1e.h @@ -0,0 +1,509 @@ +/* + * Copyright(c) 2007 Atheros Corporation. All rights reserved. + * Copyright(c) 2007 xiong huang + * + * Derived from Intel e1000 driver + * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., 59 + * Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#ifndef _ATL1E_H_ +#define _ATL1E_H_ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "atl1e_hw.h" + +#define PCI_REG_COMMAND 0x04 /* PCI Command Register */ +#define CMD_IO_SPACE 0x0001 +#define CMD_MEMORY_SPACE 0x0002 +#define CMD_BUS_MASTER 0x0004 + +#define BAR_0 0 +#define BAR_1 1 +#define BAR_5 5 + +/* Wake Up Filter Control */ +#define AT_WUFC_LNKC 0x00000001 /* Link Status Change Wakeup Enable */ +#define AT_WUFC_MAG 0x00000002 /* Magic Packet Wakeup Enable */ +#define AT_WUFC_EX 0x00000004 /* Directed Exact Wakeup Enable */ +#define AT_WUFC_MC 0x00000008 /* Multicast Wakeup Enable */ +#define AT_WUFC_BC 0x00000010 /* Broadcast Wakeup Enable */ + +#define SPEED_0 0xffff +#define HALF_DUPLEX 1 +#define FULL_DUPLEX 2 + +/* Error Codes */ +#define AT_ERR_EEPROM 1 +#define AT_ERR_PHY 2 +#define AT_ERR_CONFIG 3 +#define AT_ERR_PARAM 4 +#define AT_ERR_MAC_TYPE 5 +#define AT_ERR_PHY_TYPE 6 +#define AT_ERR_PHY_SPEED 7 +#define AT_ERR_PHY_RES 8 +#define AT_ERR_TIMEOUT 9 + +#define MAX_JUMBO_FRAME_SIZE 0x2000 + +#define AT_VLAN_TAG_TO_TPD_TAG(_vlan, _tpd) \ + _tpd = (((_vlan) << (4)) | (((_vlan) >> 13) & 7) |\ + (((_vlan) >> 9) & 8)) + +#define AT_TPD_TAG_TO_VLAN_TAG(_tpd, _vlan) \ + _vlan = (((_tpd) >> 8) | (((_tpd) & 0x77) << 9) |\ + (((_tdp) & 0x88) << 5)) + +#define AT_MAX_RECEIVE_QUEUE 4 +#define AT_PAGE_NUM_PER_QUEUE 2 + +#define AT_DMA_HI_ADDR_MASK 0xffffffff00000000ULL +#define AT_DMA_LO_ADDR_MASK 0x00000000ffffffffULL + +#define AT_TX_WATCHDOG (5 * HZ) +#define AT_MAX_INT_WORK 10 +#define AT_TWSI_EEPROM_TIMEOUT 100 +#define AT_HW_MAX_IDLE_DELAY 10 +#define AT_SUSPEND_LINK_TIMEOUT 28 + +#define AT_REGS_LEN 75 +#define AT_EEPROM_LEN 512 +#define AT_ADV_MASK (ADVERTISE_10_HALF |\ + ADVERTISE_10_FULL |\ + ADVERTISE_100_HALF |\ + ADVERTISE_100_FULL |\ + ADVERTISE_1000_FULL) + +/* tpd word 2 */ +#define TPD_BUFLEN_MASK 0x3FFF +#define TPD_BUFLEN_SHIFT 0 +#define TPD_DMAINT_MASK 0x0001 +#define TPD_DMAINT_SHIFT 14 +#define TPD_PKTNT_MASK 0x0001 +#define TPD_PKTINT_SHIFT 15 +#define TPD_VLANTAG_MASK 0xFFFF +#define TPD_VLAN_SHIFT 16 + +/* tpd word 3 bits 0:4 */ +#define TPD_EOP_MASK 0x0001 +#define TPD_EOP_SHIFT 0 +#define TPD_IP_VERSION_MASK 0x0001 +#define TPD_IP_VERSION_SHIFT 1 /* 0 : IPV4, 1 : IPV6 */ +#define TPD_INS_VL_TAG_MASK 0x0001 +#define TPD_INS_VL_TAG_SHIFT 2 +#define TPD_CC_SEGMENT_EN_MASK 0x0001 +#define TPD_CC_SEGMENT_EN_SHIFT 3 +#define TPD_SEGMENT_EN_MASK 0x0001 +#define TPD_SEGMENT_EN_SHIFT 4 + +/* tdp word 3 bits 5:7 if ip version is 0 */ +#define TPD_IP_CSUM_MASK 0x0001 +#define TPD_IP_CSUM_SHIFT 5 +#define TPD_TCP_CSUM_MASK 0x0001 +#define TPD_TCP_CSUM_SHIFT 6 +#define TPD_UDP_CSUM_MASK 0x0001 +#define TPD_UDP_CSUM_SHIFT 7 + +/* tdp word 3 bits 5:7 if ip version is 1 */ +#define TPD_V6_IPHLLO_MASK 0x0007 +#define TPD_V6_IPHLLO_SHIFT 7 + +/* tpd word 3 bits 8:9 bit */ +#define TPD_VL_TAGGED_MASK 0x0001 +#define TPD_VL_TAGGED_SHIFT 8 +#define TPD_ETHTYPE_MASK 0x0001 +#define TPD_ETHTYPE_SHIFT 9 + +/* tdp word 3 bits 10:13 if ip version is 0 */ +#define TDP_V4_IPHL_MASK 0x000F +#define TPD_V4_IPHL_SHIFT 10 + +/* tdp word 3 bits 10:13 if ip version is 1 */ +#define TPD_V6_IPHLHI_MASK 0x000F +#define TPD_V6_IPHLHI_SHIFT 10 + +/* tpd word 3 bit 14:31 if segment enabled */ +#define TPD_TCPHDRLEN_MASK 0x000F +#define TPD_TCPHDRLEN_SHIFT 14 +#define TPD_HDRFLAG_MASK 0x0001 +#define TPD_HDRFLAG_SHIFT 18 +#define TPD_MSS_MASK 0x1FFF +#define TPD_MSS_SHIFT 19 + +/* tdp word 3 bit 16:31 if custom csum enabled */ +#define TPD_PLOADOFFSET_MASK 0x00FF +#define TPD_PLOADOFFSET_SHIFT 16 +#define TPD_CCSUMOFFSET_MASK 0x00FF +#define TPD_CCSUMOFFSET_SHIFT 24 + +struct atl1e_tpd_desc { + __le64 buffer_addr; + __le32 word2; + __le32 word3; +}; + +/* how about 0x2000 */ +#define MAX_TX_BUF_LEN 0x2000 +#define MAX_TX_BUF_SHIFT 13 +/*#define MAX_TX_BUF_LEN 0x3000 */ + +/* rrs word 1 bit 0:31 */ +#define RRS_RX_CSUM_MASK 0xFFFF +#define RRS_RX_CSUM_SHIFT 0 +#define RRS_PKT_SIZE_MASK 0x3FFF +#define RRS_PKT_SIZE_SHIFT 16 +#define RRS_CPU_NUM_MASK 0x0003 +#define RRS_CPU_NUM_SHIFT 30 + +#define RRS_IS_RSS_IPV4 0x0001 +#define RRS_IS_RSS_IPV4_TCP 0x0002 +#define RRS_IS_RSS_IPV6 0x0004 +#define RRS_IS_RSS_IPV6_TCP 0x0008 +#define RRS_IS_IPV6 0x0010 +#define RRS_IS_IP_FRAG 0x0020 +#define RRS_IS_IP_DF 0x0040 +#define RRS_IS_802_3 0x0080 +#define RRS_IS_VLAN_TAG 0x0100 +#define RRS_IS_ERR_FRAME 0x0200 +#define RRS_IS_IPV4 0x0400 +#define RRS_IS_UDP 0x0800 +#define RRS_IS_TCP 0x1000 +#define RRS_IS_BCAST 0x2000 +#define RRS_IS_MCAST 0x4000 +#define RRS_IS_PAUSE 0x8000 + +#define RRS_ERR_BAD_CRC 0x0001 +#define RRS_ERR_CODE 0x0002 +#define RRS_ERR_DRIBBLE 0x0004 +#define RRS_ERR_RUNT 0x0008 +#define RRS_ERR_RX_OVERFLOW 0x0010 +#define RRS_ERR_TRUNC 0x0020 +#define RRS_ERR_IP_CSUM 0x0040 +#define RRS_ERR_L4_CSUM 0x0080 +#define RRS_ERR_LENGTH 0x0100 +#define RRS_ERR_DES_ADDR 0x0200 + +struct atl1e_recv_ret_status { + u16 seq_num; + u16 hash_lo; + __le32 word1; + u16 pkt_flag; + u16 err_flag; + u16 hash_hi; + u16 vtag; +}; + +enum atl1e_dma_req_block { + atl1e_dma_req_128 = 0, + atl1e_dma_req_256 = 1, + atl1e_dma_req_512 = 2, + atl1e_dma_req_1024 = 3, + atl1e_dma_req_2048 = 4, + atl1e_dma_req_4096 = 5 +}; + +enum atl1e_rrs_type { + atl1e_rrs_disable = 0, + atl1e_rrs_ipv4 = 1, + atl1e_rrs_ipv4_tcp = 2, + atl1e_rrs_ipv6 = 4, + atl1e_rrs_ipv6_tcp = 8 +}; + +enum atl1e_nic_type { + athr_l1e = 0, + athr_l2e_revA = 1, + athr_l2e_revB = 2 +}; + +struct atl1e_hw_stats { + /* rx */ + unsigned long rx_ok; /* The number of good packet received. */ + unsigned long rx_bcast; /* The number of good broadcast packet received. */ + unsigned long rx_mcast; /* The number of good multicast packet received. */ + unsigned long rx_pause; /* The number of Pause packet received. */ + unsigned long rx_ctrl; /* The number of Control packet received other than Pause frame. */ + unsigned long rx_fcs_err; /* The number of packets with bad FCS. */ + unsigned long rx_len_err; /* The number of packets with mismatch of length field and actual size. */ + unsigned long rx_byte_cnt; /* The number of bytes of good packet received. FCS is NOT included. */ + unsigned long rx_runt; /* The number of packets received that are less than 64 byte long and with good FCS. */ + unsigned long rx_frag; /* The number of packets received that are less than 64 byte long and with bad FCS. */ + unsigned long rx_sz_64; /* The number of good and bad packets received that are 64 byte long. */ + unsigned long rx_sz_65_127; /* The number of good and bad packets received that are between 65 and 127-byte long. */ + unsigned long rx_sz_128_255; /* The number of good and bad packets received that are between 128 and 255-byte long. */ + unsigned long rx_sz_256_511; /* The number of good and bad packets received that are between 256 and 511-byte long. */ + unsigned long rx_sz_512_1023; /* The number of good and bad packets received that are between 512 and 1023-byte long. */ + unsigned long rx_sz_1024_1518; /* The number of good and bad packets received that are between 1024 and 1518-byte long. */ + unsigned long rx_sz_1519_max; /* The number of good and bad packets received that are between 1519-byte and MTU. */ + unsigned long rx_sz_ov; /* The number of good and bad packets received that are more than MTU size truncated by Selene. */ + unsigned long rx_rxf_ov; /* The number of frame dropped due to occurrence of RX FIFO overflow. */ + unsigned long rx_rrd_ov; /* The number of frame dropped due to occurrence of RRD overflow. */ + unsigned long rx_align_err; /* Alignment Error */ + unsigned long rx_bcast_byte_cnt; /* The byte count of broadcast packet received, excluding FCS. */ + unsigned long rx_mcast_byte_cnt; /* The byte count of multicast packet received, excluding FCS. */ + unsigned long rx_err_addr; /* The number of packets dropped due to address filtering. */ + + /* tx */ + unsigned long tx_ok; /* The number of good packet transmitted. */ + unsigned long tx_bcast; /* The number of good broadcast packet transmitted. */ + unsigned long tx_mcast; /* The number of good multicast packet transmitted. */ + unsigned long tx_pause; /* The number of Pause packet transmitted. */ + unsigned long tx_exc_defer; /* The number of packets transmitted with excessive deferral. */ + unsigned long tx_ctrl; /* The number of packets transmitted is a control frame, excluding Pause frame. */ + unsigned long tx_defer; /* The number of packets transmitted that is deferred. */ + unsigned long tx_byte_cnt; /* The number of bytes of data transmitted. FCS is NOT included. */ + unsigned long tx_sz_64; /* The number of good and bad packets transmitted that are 64 byte long. */ + unsigned long tx_sz_65_127; /* The number of good and bad packets transmitted that are between 65 and 127-byte long. */ + unsigned long tx_sz_128_255; /* The number of good and bad packets transmitted that are between 128 and 255-byte long. */ + unsigned long tx_sz_256_511; /* The number of good and bad packets transmitted that are between 256 and 511-byte long. */ + unsigned long tx_sz_512_1023; /* The number of good and bad packets transmitted that are between 512 and 1023-byte long. */ + unsigned long tx_sz_1024_1518; /* The number of good and bad packets transmitted that are between 1024 and 1518-byte long. */ + unsigned long tx_sz_1519_max; /* The number of good and bad packets transmitted that are between 1519-byte and MTU. */ + unsigned long tx_1_col; /* The number of packets subsequently transmitted successfully with a single prior collision. */ + unsigned long tx_2_col; /* The number of packets subsequently transmitted successfully with multiple prior collisions. */ + unsigned long tx_late_col; /* The number of packets transmitted with late collisions. */ + unsigned long tx_abort_col; /* The number of transmit packets aborted due to excessive collisions. */ + unsigned long tx_underrun; /* The number of transmit packets aborted due to transmit FIFO underrun, or TRD FIFO underrun */ + unsigned long tx_rd_eop; /* The number of times that read beyond the EOP into the next frame area when TRD was not written timely */ + unsigned long tx_len_err; /* The number of transmit packets with length field does NOT match the actual frame size. */ + unsigned long tx_trunc; /* The number of transmit packets truncated due to size exceeding MTU. */ + unsigned long tx_bcast_byte; /* The byte count of broadcast packet transmitted, excluding FCS. */ + unsigned long tx_mcast_byte; /* The byte count of multicast packet transmitted, excluding FCS. */ +}; + +struct atl1e_hw { + u8 __iomem *hw_addr; /* inner register address */ + resource_size_t mem_rang; + struct atl1e_adapter *adapter; + enum atl1e_nic_type nic_type; + u16 device_id; + u16 vendor_id; + u16 subsystem_id; + u16 subsystem_vendor_id; + u8 revision_id; + u16 pci_cmd_word; + u8 mac_addr[ETH_ALEN]; + u8 perm_mac_addr[ETH_ALEN]; + u8 preamble_len; + u16 max_frame_size; + u16 rx_jumbo_th; + u16 tx_jumbo_th; + + u16 media_type; +#define MEDIA_TYPE_AUTO_SENSOR 0 +#define MEDIA_TYPE_100M_FULL 1 +#define MEDIA_TYPE_100M_HALF 2 +#define MEDIA_TYPE_10M_FULL 3 +#define MEDIA_TYPE_10M_HALF 4 + + u16 autoneg_advertised; +#define ADVERTISE_10_HALF 0x0001 +#define ADVERTISE_10_FULL 0x0002 +#define ADVERTISE_100_HALF 0x0004 +#define ADVERTISE_100_FULL 0x0008 +#define ADVERTISE_1000_HALF 0x0010 /* Not used, just FYI */ +#define ADVERTISE_1000_FULL 0x0020 + u16 mii_autoneg_adv_reg; + u16 mii_1000t_ctrl_reg; + + u16 imt; /* Interrupt Moderator timer ( 2us resolution) */ + u16 ict; /* Interrupt Clear timer (2us resolution) */ + u32 smb_timer; + u16 rrd_thresh; /* Threshold of number of RRD produced to trigger + interrupt request */ + u16 tpd_thresh; + u16 rx_count_down; /* 2us resolution */ + u16 tx_count_down; + + u8 tpd_burst; /* Number of TPD to prefetch in cache-aligned burst. */ + enum atl1e_rrs_type rrs_type; + u32 base_cpu; + u32 indirect_tab; + + enum atl1e_dma_req_block dmar_block; + enum atl1e_dma_req_block dmaw_block; + u8 dmaw_dly_cnt; + u8 dmar_dly_cnt; + + bool phy_configured; + bool re_autoneg; + bool emi_ca; +}; + +/* + * wrapper around a pointer to a socket buffer, + * so a DMA handle can be stored along with the buffer + */ +struct atl1e_tx_buffer { + struct sk_buff *skb; + u16 flags; +#define ATL1E_TX_PCIMAP_SINGLE 0x0001 +#define ATL1E_TX_PCIMAP_PAGE 0x0002 +#define ATL1E_TX_PCIMAP_TYPE_MASK 0x0003 + u16 length; + dma_addr_t dma; +}; + +#define ATL1E_SET_PCIMAP_TYPE(tx_buff, type) do { \ + ((tx_buff)->flags) &= ~ATL1E_TX_PCIMAP_TYPE_MASK; \ + ((tx_buff)->flags) |= (type); \ + } while (0) + +struct atl1e_rx_page { + dma_addr_t dma; /* receive rage DMA address */ + u8 *addr; /* receive rage virtual address */ + dma_addr_t write_offset_dma; /* the DMA address which contain the + receive data offset in the page */ + u32 *write_offset_addr; /* the virtaul address which contain + the receive data offset in the page */ + u32 read_offset; /* the offset where we have read */ +}; + +struct atl1e_rx_page_desc { + struct atl1e_rx_page rx_page[AT_PAGE_NUM_PER_QUEUE]; + u8 rx_using; + u16 rx_nxseq; +}; + +/* transmit packet descriptor (tpd) ring */ +struct atl1e_tx_ring { + struct atl1e_tpd_desc *desc; /* descriptor ring virtual address */ + dma_addr_t dma; /* descriptor ring physical address */ + u16 count; /* the count of transmit rings */ + rwlock_t tx_lock; + u16 next_to_use; + atomic_t next_to_clean; + struct atl1e_tx_buffer *tx_buffer; + dma_addr_t cmb_dma; + u32 *cmb; +}; + +/* receive packet descriptor ring */ +struct atl1e_rx_ring { + void *desc; + dma_addr_t dma; + int size; + u32 page_size; /* bytes length of rxf page */ + u32 real_page_size; /* real_page_size = page_size + jumbo + aliagn */ + struct atl1e_rx_page_desc rx_page_desc[AT_MAX_RECEIVE_QUEUE]; +}; + +/* board specific private data structure */ +struct atl1e_adapter { + struct net_device *netdev; + struct pci_dev *pdev; + struct napi_struct napi; + struct mii_if_info mii; /* MII interface info */ + struct atl1e_hw hw; + struct atl1e_hw_stats hw_stats; + + bool have_msi; + u32 wol; + u16 link_speed; + u16 link_duplex; + + spinlock_t mdio_lock; + spinlock_t tx_lock; + atomic_t irq_sem; + + struct work_struct reset_task; + struct work_struct link_chg_task; + struct timer_list watchdog_timer; + struct timer_list phy_config_timer; + + /* All Descriptor memory */ + dma_addr_t ring_dma; + void *ring_vir_addr; + u32 ring_size; + + struct atl1e_tx_ring tx_ring; + struct atl1e_rx_ring rx_ring; + int num_rx_queues; + unsigned long flags; +#define __AT_TESTING 0x0001 +#define __AT_RESETTING 0x0002 +#define __AT_DOWN 0x0003 + + u32 bd_number; /* board number;*/ + u32 pci_state[16]; + u32 *config_space; +}; + +#define AT_WRITE_REG(a, reg, value) ( \ + writel((value), ((a)->hw_addr + reg))) + +#define AT_WRITE_FLUSH(a) (\ + readl((a)->hw_addr)) + +#define AT_READ_REG(a, reg) ( \ + readl((a)->hw_addr + reg)) + +#define AT_WRITE_REGB(a, reg, value) (\ + writeb((value), ((a)->hw_addr + reg))) + +#define AT_READ_REGB(a, reg) (\ + readb((a)->hw_addr + reg)) + +#define AT_WRITE_REGW(a, reg, value) (\ + writew((value), ((a)->hw_addr + reg))) + +#define AT_READ_REGW(a, reg) (\ + readw((a)->hw_addr + reg)) + +#define AT_WRITE_REG_ARRAY(a, reg, offset, value) ( \ + writel((value), (((a)->hw_addr + reg) + ((offset) << 2)))) + +#define AT_READ_REG_ARRAY(a, reg, offset) ( \ + readl(((a)->hw_addr + reg) + ((offset) << 2))) + +extern char atl1e_driver_name[]; +extern char atl1e_driver_version[]; + +extern void atl1e_check_options(struct atl1e_adapter *adapter); +extern int atl1e_up(struct atl1e_adapter *adapter); +extern void atl1e_down(struct atl1e_adapter *adapter); +extern void atl1e_reinit_locked(struct atl1e_adapter *adapter); +extern s32 atl1e_reset_hw(struct atl1e_hw *hw); +extern void atl1e_set_ethtool_ops(struct net_device *netdev); +#endif /* _ATL1_E_H_ */ diff --git a/drivers/net/ethernet/atheros/atl1e/atl1e_ethtool.c b/drivers/net/ethernet/atheros/atl1e/atl1e_ethtool.c new file mode 100644 index 000000000000..6269438d365f --- /dev/null +++ b/drivers/net/ethernet/atheros/atl1e/atl1e_ethtool.c @@ -0,0 +1,390 @@ +/* + * Copyright(c) 2007 Atheros Corporation. All rights reserved. + * + * Derived from Intel e1000 driver + * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., 59 + * Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + */ + +#include +#include +#include + +#include "atl1e.h" + +static int atl1e_get_settings(struct net_device *netdev, + struct ethtool_cmd *ecmd) +{ + struct atl1e_adapter *adapter = netdev_priv(netdev); + struct atl1e_hw *hw = &adapter->hw; + + ecmd->supported = (SUPPORTED_10baseT_Half | + SUPPORTED_10baseT_Full | + SUPPORTED_100baseT_Half | + SUPPORTED_100baseT_Full | + SUPPORTED_Autoneg | + SUPPORTED_TP); + if (hw->nic_type == athr_l1e) + ecmd->supported |= SUPPORTED_1000baseT_Full; + + ecmd->advertising = ADVERTISED_TP; + + ecmd->advertising |= ADVERTISED_Autoneg; + ecmd->advertising |= hw->autoneg_advertised; + + ecmd->port = PORT_TP; + ecmd->phy_address = 0; + ecmd->transceiver = XCVR_INTERNAL; + + if (adapter->link_speed != SPEED_0) { + ethtool_cmd_speed_set(ecmd, adapter->link_speed); + if (adapter->link_duplex == FULL_DUPLEX) + ecmd->duplex = DUPLEX_FULL; + else + ecmd->duplex = DUPLEX_HALF; + } else { + ethtool_cmd_speed_set(ecmd, -1); + ecmd->duplex = -1; + } + + ecmd->autoneg = AUTONEG_ENABLE; + return 0; +} + +static int atl1e_set_settings(struct net_device *netdev, + struct ethtool_cmd *ecmd) +{ + struct atl1e_adapter *adapter = netdev_priv(netdev); + struct atl1e_hw *hw = &adapter->hw; + + while (test_and_set_bit(__AT_RESETTING, &adapter->flags)) + msleep(1); + + if (ecmd->autoneg == AUTONEG_ENABLE) { + u16 adv4, adv9; + + if ((ecmd->advertising&ADVERTISE_1000_FULL)) { + if (hw->nic_type == athr_l1e) { + hw->autoneg_advertised = + ecmd->advertising & AT_ADV_MASK; + } else { + clear_bit(__AT_RESETTING, &adapter->flags); + return -EINVAL; + } + } else if (ecmd->advertising&ADVERTISE_1000_HALF) { + clear_bit(__AT_RESETTING, &adapter->flags); + return -EINVAL; + } else { + hw->autoneg_advertised = + ecmd->advertising & AT_ADV_MASK; + } + ecmd->advertising = hw->autoneg_advertised | + ADVERTISED_TP | ADVERTISED_Autoneg; + + adv4 = hw->mii_autoneg_adv_reg & ~ADVERTISE_ALL; + adv9 = hw->mii_1000t_ctrl_reg & ~MII_AT001_CR_1000T_SPEED_MASK; + if (hw->autoneg_advertised & ADVERTISE_10_HALF) + adv4 |= ADVERTISE_10HALF; + if (hw->autoneg_advertised & ADVERTISE_10_FULL) + adv4 |= ADVERTISE_10FULL; + if (hw->autoneg_advertised & ADVERTISE_100_HALF) + adv4 |= ADVERTISE_100HALF; + if (hw->autoneg_advertised & ADVERTISE_100_FULL) + adv4 |= ADVERTISE_100FULL; + if (hw->autoneg_advertised & ADVERTISE_1000_FULL) + adv9 |= ADVERTISE_1000FULL; + + if (adv4 != hw->mii_autoneg_adv_reg || + adv9 != hw->mii_1000t_ctrl_reg) { + hw->mii_autoneg_adv_reg = adv4; + hw->mii_1000t_ctrl_reg = adv9; + hw->re_autoneg = true; + } + + } else { + clear_bit(__AT_RESETTING, &adapter->flags); + return -EINVAL; + } + + /* reset the link */ + + if (netif_running(adapter->netdev)) { + atl1e_down(adapter); + atl1e_up(adapter); + } else + atl1e_reset_hw(&adapter->hw); + + clear_bit(__AT_RESETTING, &adapter->flags); + return 0; +} + +static u32 atl1e_get_msglevel(struct net_device *netdev) +{ +#ifdef DBG + return 1; +#else + return 0; +#endif +} + +static int atl1e_get_regs_len(struct net_device *netdev) +{ + return AT_REGS_LEN * sizeof(u32); +} + +static void atl1e_get_regs(struct net_device *netdev, + struct ethtool_regs *regs, void *p) +{ + struct atl1e_adapter *adapter = netdev_priv(netdev); + struct atl1e_hw *hw = &adapter->hw; + u32 *regs_buff = p; + u16 phy_data; + + memset(p, 0, AT_REGS_LEN * sizeof(u32)); + + regs->version = (1 << 24) | (hw->revision_id << 16) | hw->device_id; + + regs_buff[0] = AT_READ_REG(hw, REG_VPD_CAP); + regs_buff[1] = AT_READ_REG(hw, REG_SPI_FLASH_CTRL); + regs_buff[2] = AT_READ_REG(hw, REG_SPI_FLASH_CONFIG); + regs_buff[3] = AT_READ_REG(hw, REG_TWSI_CTRL); + regs_buff[4] = AT_READ_REG(hw, REG_PCIE_DEV_MISC_CTRL); + regs_buff[5] = AT_READ_REG(hw, REG_MASTER_CTRL); + regs_buff[6] = AT_READ_REG(hw, REG_MANUAL_TIMER_INIT); + regs_buff[7] = AT_READ_REG(hw, REG_IRQ_MODU_TIMER_INIT); + regs_buff[8] = AT_READ_REG(hw, REG_GPHY_CTRL); + regs_buff[9] = AT_READ_REG(hw, REG_CMBDISDMA_TIMER); + regs_buff[10] = AT_READ_REG(hw, REG_IDLE_STATUS); + regs_buff[11] = AT_READ_REG(hw, REG_MDIO_CTRL); + regs_buff[12] = AT_READ_REG(hw, REG_SERDES_LOCK); + regs_buff[13] = AT_READ_REG(hw, REG_MAC_CTRL); + regs_buff[14] = AT_READ_REG(hw, REG_MAC_IPG_IFG); + regs_buff[15] = AT_READ_REG(hw, REG_MAC_STA_ADDR); + regs_buff[16] = AT_READ_REG(hw, REG_MAC_STA_ADDR+4); + regs_buff[17] = AT_READ_REG(hw, REG_RX_HASH_TABLE); + regs_buff[18] = AT_READ_REG(hw, REG_RX_HASH_TABLE+4); + regs_buff[19] = AT_READ_REG(hw, REG_MAC_HALF_DUPLX_CTRL); + regs_buff[20] = AT_READ_REG(hw, REG_MTU); + regs_buff[21] = AT_READ_REG(hw, REG_WOL_CTRL); + regs_buff[22] = AT_READ_REG(hw, REG_SRAM_TRD_ADDR); + regs_buff[23] = AT_READ_REG(hw, REG_SRAM_TRD_LEN); + regs_buff[24] = AT_READ_REG(hw, REG_SRAM_RXF_ADDR); + regs_buff[25] = AT_READ_REG(hw, REG_SRAM_RXF_LEN); + regs_buff[26] = AT_READ_REG(hw, REG_SRAM_TXF_ADDR); + regs_buff[27] = AT_READ_REG(hw, REG_SRAM_TXF_LEN); + regs_buff[28] = AT_READ_REG(hw, REG_SRAM_TCPH_ADDR); + regs_buff[29] = AT_READ_REG(hw, REG_SRAM_PKTH_ADDR); + + atl1e_read_phy_reg(hw, MII_BMCR, &phy_data); + regs_buff[73] = (u32)phy_data; + atl1e_read_phy_reg(hw, MII_BMSR, &phy_data); + regs_buff[74] = (u32)phy_data; +} + +static int atl1e_get_eeprom_len(struct net_device *netdev) +{ + struct atl1e_adapter *adapter = netdev_priv(netdev); + + if (!atl1e_check_eeprom_exist(&adapter->hw)) + return AT_EEPROM_LEN; + else + return 0; +} + +static int atl1e_get_eeprom(struct net_device *netdev, + struct ethtool_eeprom *eeprom, u8 *bytes) +{ + struct atl1e_adapter *adapter = netdev_priv(netdev); + struct atl1e_hw *hw = &adapter->hw; + u32 *eeprom_buff; + int first_dword, last_dword; + int ret_val = 0; + int i; + + if (eeprom->len == 0) + return -EINVAL; + + if (atl1e_check_eeprom_exist(hw)) /* not exist */ + return -EINVAL; + + eeprom->magic = hw->vendor_id | (hw->device_id << 16); + + first_dword = eeprom->offset >> 2; + last_dword = (eeprom->offset + eeprom->len - 1) >> 2; + + eeprom_buff = kmalloc(sizeof(u32) * + (last_dword - first_dword + 1), GFP_KERNEL); + if (eeprom_buff == NULL) + return -ENOMEM; + + for (i = first_dword; i < last_dword; i++) { + if (!atl1e_read_eeprom(hw, i * 4, &(eeprom_buff[i-first_dword]))) { + kfree(eeprom_buff); + return -EIO; + } + } + + memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 3), + eeprom->len); + kfree(eeprom_buff); + + return ret_val; +} + +static int atl1e_set_eeprom(struct net_device *netdev, + struct ethtool_eeprom *eeprom, u8 *bytes) +{ + struct atl1e_adapter *adapter = netdev_priv(netdev); + struct atl1e_hw *hw = &adapter->hw; + u32 *eeprom_buff; + u32 *ptr; + int first_dword, last_dword; + int ret_val = 0; + int i; + + if (eeprom->len == 0) + return -EOPNOTSUPP; + + if (eeprom->magic != (hw->vendor_id | (hw->device_id << 16))) + return -EINVAL; + + first_dword = eeprom->offset >> 2; + last_dword = (eeprom->offset + eeprom->len - 1) >> 2; + eeprom_buff = kmalloc(AT_EEPROM_LEN, GFP_KERNEL); + if (eeprom_buff == NULL) + return -ENOMEM; + + ptr = (u32 *)eeprom_buff; + + if (eeprom->offset & 3) { + /* need read/modify/write of first changed EEPROM word */ + /* only the second byte of the word is being modified */ + if (!atl1e_read_eeprom(hw, first_dword * 4, &(eeprom_buff[0]))) { + ret_val = -EIO; + goto out; + } + ptr++; + } + if (((eeprom->offset + eeprom->len) & 3)) { + /* need read/modify/write of last changed EEPROM word */ + /* only the first byte of the word is being modified */ + + if (!atl1e_read_eeprom(hw, last_dword * 4, + &(eeprom_buff[last_dword - first_dword]))) { + ret_val = -EIO; + goto out; + } + } + + /* Device's eeprom is always little-endian, word addressable */ + memcpy(ptr, bytes, eeprom->len); + + for (i = 0; i < last_dword - first_dword + 1; i++) { + if (!atl1e_write_eeprom(hw, ((first_dword + i) * 4), + eeprom_buff[i])) { + ret_val = -EIO; + goto out; + } + } +out: + kfree(eeprom_buff); + return ret_val; +} + +static void atl1e_get_drvinfo(struct net_device *netdev, + struct ethtool_drvinfo *drvinfo) +{ + struct atl1e_adapter *adapter = netdev_priv(netdev); + + strncpy(drvinfo->driver, atl1e_driver_name, 32); + strncpy(drvinfo->version, atl1e_driver_version, 32); + strncpy(drvinfo->fw_version, "L1e", 32); + strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32); + drvinfo->n_stats = 0; + drvinfo->testinfo_len = 0; + drvinfo->regdump_len = atl1e_get_regs_len(netdev); + drvinfo->eedump_len = atl1e_get_eeprom_len(netdev); +} + +static void atl1e_get_wol(struct net_device *netdev, + struct ethtool_wolinfo *wol) +{ + struct atl1e_adapter *adapter = netdev_priv(netdev); + + wol->supported = WAKE_MAGIC | WAKE_PHY; + wol->wolopts = 0; + + if (adapter->wol & AT_WUFC_EX) + wol->wolopts |= WAKE_UCAST; + if (adapter->wol & AT_WUFC_MC) + wol->wolopts |= WAKE_MCAST; + if (adapter->wol & AT_WUFC_BC) + wol->wolopts |= WAKE_BCAST; + if (adapter->wol & AT_WUFC_MAG) + wol->wolopts |= WAKE_MAGIC; + if (adapter->wol & AT_WUFC_LNKC) + wol->wolopts |= WAKE_PHY; +} + +static int atl1e_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) +{ + struct atl1e_adapter *adapter = netdev_priv(netdev); + + if (wol->wolopts & (WAKE_ARP | WAKE_MAGICSECURE | + WAKE_UCAST | WAKE_MCAST | WAKE_BCAST)) + return -EOPNOTSUPP; + /* these settings will always override what we currently have */ + adapter->wol = 0; + + if (wol->wolopts & WAKE_MAGIC) + adapter->wol |= AT_WUFC_MAG; + if (wol->wolopts & WAKE_PHY) + adapter->wol |= AT_WUFC_LNKC; + + device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol); + + return 0; +} + +static int atl1e_nway_reset(struct net_device *netdev) +{ + struct atl1e_adapter *adapter = netdev_priv(netdev); + if (netif_running(netdev)) + atl1e_reinit_locked(adapter); + return 0; +} + +static const struct ethtool_ops atl1e_ethtool_ops = { + .get_settings = atl1e_get_settings, + .set_settings = atl1e_set_settings, + .get_drvinfo = atl1e_get_drvinfo, + .get_regs_len = atl1e_get_regs_len, + .get_regs = atl1e_get_regs, + .get_wol = atl1e_get_wol, + .set_wol = atl1e_set_wol, + .get_msglevel = atl1e_get_msglevel, + .nway_reset = atl1e_nway_reset, + .get_link = ethtool_op_get_link, + .get_eeprom_len = atl1e_get_eeprom_len, + .get_eeprom = atl1e_get_eeprom, + .set_eeprom = atl1e_set_eeprom, +}; + +void atl1e_set_ethtool_ops(struct net_device *netdev) +{ + SET_ETHTOOL_OPS(netdev, &atl1e_ethtool_ops); +} diff --git a/drivers/net/ethernet/atheros/atl1e/atl1e_hw.c b/drivers/net/ethernet/atheros/atl1e/atl1e_hw.c new file mode 100644 index 000000000000..923063d2e5bb --- /dev/null +++ b/drivers/net/ethernet/atheros/atl1e/atl1e_hw.c @@ -0,0 +1,651 @@ +/* + * Copyright(c) 2007 Atheros Corporation. All rights reserved. + * + * Derived from Intel e1000 driver + * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., 59 + * Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ +#include +#include +#include +#include + +#include "atl1e.h" + +/* + * check_eeprom_exist + * return 0 if eeprom exist + */ +int atl1e_check_eeprom_exist(struct atl1e_hw *hw) +{ + u32 value; + + value = AT_READ_REG(hw, REG_SPI_FLASH_CTRL); + if (value & SPI_FLASH_CTRL_EN_VPD) { + value &= ~SPI_FLASH_CTRL_EN_VPD; + AT_WRITE_REG(hw, REG_SPI_FLASH_CTRL, value); + } + value = AT_READ_REGW(hw, REG_PCIE_CAP_LIST); + return ((value & 0xFF00) == 0x6C00) ? 0 : 1; +} + +void atl1e_hw_set_mac_addr(struct atl1e_hw *hw) +{ + u32 value; + /* + * 00-0B-6A-F6-00-DC + * 0: 6AF600DC 1: 000B + * low dword + */ + value = (((u32)hw->mac_addr[2]) << 24) | + (((u32)hw->mac_addr[3]) << 16) | + (((u32)hw->mac_addr[4]) << 8) | + (((u32)hw->mac_addr[5])) ; + AT_WRITE_REG_ARRAY(hw, REG_MAC_STA_ADDR, 0, value); + /* hight dword */ + value = (((u32)hw->mac_addr[0]) << 8) | + (((u32)hw->mac_addr[1])) ; + AT_WRITE_REG_ARRAY(hw, REG_MAC_STA_ADDR, 1, value); +} + +/* + * atl1e_get_permanent_address + * return 0 if get valid mac address, + */ +static int atl1e_get_permanent_address(struct atl1e_hw *hw) +{ + u32 addr[2]; + u32 i; + u32 twsi_ctrl_data; + u8 eth_addr[ETH_ALEN]; + + if (is_valid_ether_addr(hw->perm_mac_addr)) + return 0; + + /* init */ + addr[0] = addr[1] = 0; + + if (!atl1e_check_eeprom_exist(hw)) { + /* eeprom exist */ + twsi_ctrl_data = AT_READ_REG(hw, REG_TWSI_CTRL); + twsi_ctrl_data |= TWSI_CTRL_SW_LDSTART; + AT_WRITE_REG(hw, REG_TWSI_CTRL, twsi_ctrl_data); + for (i = 0; i < AT_TWSI_EEPROM_TIMEOUT; i++) { + msleep(10); + twsi_ctrl_data = AT_READ_REG(hw, REG_TWSI_CTRL); + if ((twsi_ctrl_data & TWSI_CTRL_SW_LDSTART) == 0) + break; + } + if (i >= AT_TWSI_EEPROM_TIMEOUT) + return AT_ERR_TIMEOUT; + } + + /* maybe MAC-address is from BIOS */ + addr[0] = AT_READ_REG(hw, REG_MAC_STA_ADDR); + addr[1] = AT_READ_REG(hw, REG_MAC_STA_ADDR + 4); + *(u32 *) ð_addr[2] = swab32(addr[0]); + *(u16 *) ð_addr[0] = swab16(*(u16 *)&addr[1]); + + if (is_valid_ether_addr(eth_addr)) { + memcpy(hw->perm_mac_addr, eth_addr, ETH_ALEN); + return 0; + } + + return AT_ERR_EEPROM; +} + +bool atl1e_write_eeprom(struct atl1e_hw *hw, u32 offset, u32 value) +{ + return true; +} + +bool atl1e_read_eeprom(struct atl1e_hw *hw, u32 offset, u32 *p_value) +{ + int i; + u32 control; + + if (offset & 3) + return false; /* address do not align */ + + AT_WRITE_REG(hw, REG_VPD_DATA, 0); + control = (offset & VPD_CAP_VPD_ADDR_MASK) << VPD_CAP_VPD_ADDR_SHIFT; + AT_WRITE_REG(hw, REG_VPD_CAP, control); + + for (i = 0; i < 10; i++) { + msleep(2); + control = AT_READ_REG(hw, REG_VPD_CAP); + if (control & VPD_CAP_VPD_FLAG) + break; + } + if (control & VPD_CAP_VPD_FLAG) { + *p_value = AT_READ_REG(hw, REG_VPD_DATA); + return true; + } + return false; /* timeout */ +} + +void atl1e_force_ps(struct atl1e_hw *hw) +{ + AT_WRITE_REGW(hw, REG_GPHY_CTRL, + GPHY_CTRL_PW_WOL_DIS | GPHY_CTRL_EXT_RESET); +} + +/* + * Reads the adapter's MAC address from the EEPROM + * + * hw - Struct containing variables accessed by shared code + */ +int atl1e_read_mac_addr(struct atl1e_hw *hw) +{ + int err = 0; + + err = atl1e_get_permanent_address(hw); + if (err) + return AT_ERR_EEPROM; + memcpy(hw->mac_addr, hw->perm_mac_addr, sizeof(hw->perm_mac_addr)); + return 0; +} + +/* + * atl1e_hash_mc_addr + * purpose + * set hash value for a multicast address + */ +u32 atl1e_hash_mc_addr(struct atl1e_hw *hw, u8 *mc_addr) +{ + u32 crc32; + u32 value = 0; + int i; + + crc32 = ether_crc_le(6, mc_addr); + for (i = 0; i < 32; i++) + value |= (((crc32 >> i) & 1) << (31 - i)); + + return value; +} + +/* + * Sets the bit in the multicast table corresponding to the hash value. + * hw - Struct containing variables accessed by shared code + * hash_value - Multicast address hash value + */ +void atl1e_hash_set(struct atl1e_hw *hw, u32 hash_value) +{ + u32 hash_bit, hash_reg; + u32 mta; + + /* + * The HASH Table is a register array of 2 32-bit registers. + * It is treated like an array of 64 bits. We want to set + * bit BitArray[hash_value]. So we figure out what register + * the bit is in, read it, OR in the new bit, then write + * back the new value. The register is determined by the + * upper 7 bits of the hash value and the bit within that + * register are determined by the lower 5 bits of the value. + */ + hash_reg = (hash_value >> 31) & 0x1; + hash_bit = (hash_value >> 26) & 0x1F; + + mta = AT_READ_REG_ARRAY(hw, REG_RX_HASH_TABLE, hash_reg); + + mta |= (1 << hash_bit); + + AT_WRITE_REG_ARRAY(hw, REG_RX_HASH_TABLE, hash_reg, mta); +} +/* + * Reads the value from a PHY register + * hw - Struct containing variables accessed by shared code + * reg_addr - address of the PHY register to read + */ +int atl1e_read_phy_reg(struct atl1e_hw *hw, u16 reg_addr, u16 *phy_data) +{ + u32 val; + int i; + + val = ((u32)(reg_addr & MDIO_REG_ADDR_MASK)) << MDIO_REG_ADDR_SHIFT | + MDIO_START | MDIO_SUP_PREAMBLE | MDIO_RW | + MDIO_CLK_25_4 << MDIO_CLK_SEL_SHIFT; + + AT_WRITE_REG(hw, REG_MDIO_CTRL, val); + + wmb(); + + for (i = 0; i < MDIO_WAIT_TIMES; i++) { + udelay(2); + val = AT_READ_REG(hw, REG_MDIO_CTRL); + if (!(val & (MDIO_START | MDIO_BUSY))) + break; + wmb(); + } + if (!(val & (MDIO_START | MDIO_BUSY))) { + *phy_data = (u16)val; + return 0; + } + + return AT_ERR_PHY; +} + +/* + * Writes a value to a PHY register + * hw - Struct containing variables accessed by shared code + * reg_addr - address of the PHY register to write + * data - data to write to the PHY + */ +int atl1e_write_phy_reg(struct atl1e_hw *hw, u32 reg_addr, u16 phy_data) +{ + int i; + u32 val; + + val = ((u32)(phy_data & MDIO_DATA_MASK)) << MDIO_DATA_SHIFT | + (reg_addr&MDIO_REG_ADDR_MASK) << MDIO_REG_ADDR_SHIFT | + MDIO_SUP_PREAMBLE | + MDIO_START | + MDIO_CLK_25_4 << MDIO_CLK_SEL_SHIFT; + + AT_WRITE_REG(hw, REG_MDIO_CTRL, val); + wmb(); + + for (i = 0; i < MDIO_WAIT_TIMES; i++) { + udelay(2); + val = AT_READ_REG(hw, REG_MDIO_CTRL); + if (!(val & (MDIO_START | MDIO_BUSY))) + break; + wmb(); + } + + if (!(val & (MDIO_START | MDIO_BUSY))) + return 0; + + return AT_ERR_PHY; +} + +/* + * atl1e_init_pcie - init PCIE module + */ +static void atl1e_init_pcie(struct atl1e_hw *hw) +{ + u32 value; + /* comment 2lines below to save more power when sususpend + value = LTSSM_TEST_MODE_DEF; + AT_WRITE_REG(hw, REG_LTSSM_TEST_MODE, value); + */ + + /* pcie flow control mode change */ + value = AT_READ_REG(hw, 0x1008); + value |= 0x8000; + AT_WRITE_REG(hw, 0x1008, value); +} +/* + * Configures PHY autoneg and flow control advertisement settings + * + * hw - Struct containing variables accessed by shared code + */ +static int atl1e_phy_setup_autoneg_adv(struct atl1e_hw *hw) +{ + s32 ret_val; + u16 mii_autoneg_adv_reg; + u16 mii_1000t_ctrl_reg; + + if (0 != hw->mii_autoneg_adv_reg) + return 0; + /* Read the MII Auto-Neg Advertisement Register (Address 4/9). */ + mii_autoneg_adv_reg = MII_AR_DEFAULT_CAP_MASK; + mii_1000t_ctrl_reg = MII_AT001_CR_1000T_DEFAULT_CAP_MASK; + + /* + * Need to parse autoneg_advertised and set up + * the appropriate PHY registers. First we will parse for + * autoneg_advertised software override. Since we can advertise + * a plethora of combinations, we need to check each bit + * individually. + */ + + /* + * First we clear all the 10/100 mb speed bits in the Auto-Neg + * Advertisement Register (Address 4) and the 1000 mb speed bits in + * the 1000Base-T control Register (Address 9). + */ + mii_autoneg_adv_reg &= ~ADVERTISE_ALL; + mii_1000t_ctrl_reg &= ~MII_AT001_CR_1000T_SPEED_MASK; + + /* + * Need to parse MediaType and setup the + * appropriate PHY registers. + */ + switch (hw->media_type) { + case MEDIA_TYPE_AUTO_SENSOR: + mii_autoneg_adv_reg |= ADVERTISE_ALL; + hw->autoneg_advertised = ADVERTISE_ALL; + if (hw->nic_type == athr_l1e) { + mii_1000t_ctrl_reg |= ADVERTISE_1000FULL; + hw->autoneg_advertised |= ADVERTISE_1000_FULL; + } + break; + + case MEDIA_TYPE_100M_FULL: + mii_autoneg_adv_reg |= ADVERTISE_100FULL; + hw->autoneg_advertised = ADVERTISE_100_FULL; + break; + + case MEDIA_TYPE_100M_HALF: + mii_autoneg_adv_reg |= ADVERTISE_100_HALF; + hw->autoneg_advertised = ADVERTISE_100_HALF; + break; + + case MEDIA_TYPE_10M_FULL: + mii_autoneg_adv_reg |= ADVERTISE_10_FULL; + hw->autoneg_advertised = ADVERTISE_10_FULL; + break; + + default: + mii_autoneg_adv_reg |= ADVERTISE_10_HALF; + hw->autoneg_advertised = ADVERTISE_10_HALF; + break; + } + + /* flow control fixed to enable all */ + mii_autoneg_adv_reg |= (ADVERTISE_PAUSE_ASYM | ADVERTISE_PAUSE_CAP); + + hw->mii_autoneg_adv_reg = mii_autoneg_adv_reg; + hw->mii_1000t_ctrl_reg = mii_1000t_ctrl_reg; + + ret_val = atl1e_write_phy_reg(hw, MII_ADVERTISE, mii_autoneg_adv_reg); + if (ret_val) + return ret_val; + + if (hw->nic_type == athr_l1e || hw->nic_type == athr_l2e_revA) { + ret_val = atl1e_write_phy_reg(hw, MII_CTRL1000, + mii_1000t_ctrl_reg); + if (ret_val) + return ret_val; + } + + return 0; +} + + +/* + * Resets the PHY and make all config validate + * + * hw - Struct containing variables accessed by shared code + * + * Sets bit 15 and 12 of the MII control regiser (for F001 bug) + */ +int atl1e_phy_commit(struct atl1e_hw *hw) +{ + struct atl1e_adapter *adapter = hw->adapter; + int ret_val; + u16 phy_data; + + phy_data = BMCR_RESET | BMCR_ANENABLE | BMCR_ANRESTART; + + ret_val = atl1e_write_phy_reg(hw, MII_BMCR, phy_data); + if (ret_val) { + u32 val; + int i; + /************************************** + * pcie serdes link may be down ! + **************************************/ + for (i = 0; i < 25; i++) { + msleep(1); + val = AT_READ_REG(hw, REG_MDIO_CTRL); + if (!(val & (MDIO_START | MDIO_BUSY))) + break; + } + + if (0 != (val & (MDIO_START | MDIO_BUSY))) { + netdev_err(adapter->netdev, + "pcie linkdown at least for 25ms\n"); + return ret_val; + } + + netdev_err(adapter->netdev, "pcie linkup after %d ms\n", i); + } + return 0; +} + +int atl1e_phy_init(struct atl1e_hw *hw) +{ + struct atl1e_adapter *adapter = hw->adapter; + s32 ret_val; + u16 phy_val; + + if (hw->phy_configured) { + if (hw->re_autoneg) { + hw->re_autoneg = false; + return atl1e_restart_autoneg(hw); + } + return 0; + } + + /* RESET GPHY Core */ + AT_WRITE_REGW(hw, REG_GPHY_CTRL, GPHY_CTRL_DEFAULT); + msleep(2); + AT_WRITE_REGW(hw, REG_GPHY_CTRL, GPHY_CTRL_DEFAULT | + GPHY_CTRL_EXT_RESET); + msleep(2); + + /* patches */ + /* p1. eable hibernation mode */ + ret_val = atl1e_write_phy_reg(hw, MII_DBG_ADDR, 0xB); + if (ret_val) + return ret_val; + ret_val = atl1e_write_phy_reg(hw, MII_DBG_DATA, 0xBC00); + if (ret_val) + return ret_val; + /* p2. set Class A/B for all modes */ + ret_val = atl1e_write_phy_reg(hw, MII_DBG_ADDR, 0); + if (ret_val) + return ret_val; + phy_val = 0x02ef; + /* remove Class AB */ + /* phy_val = hw->emi_ca ? 0x02ef : 0x02df; */ + ret_val = atl1e_write_phy_reg(hw, MII_DBG_DATA, phy_val); + if (ret_val) + return ret_val; + /* p3. 10B ??? */ + ret_val = atl1e_write_phy_reg(hw, MII_DBG_ADDR, 0x12); + if (ret_val) + return ret_val; + ret_val = atl1e_write_phy_reg(hw, MII_DBG_DATA, 0x4C04); + if (ret_val) + return ret_val; + /* p4. 1000T power */ + ret_val = atl1e_write_phy_reg(hw, MII_DBG_ADDR, 0x4); + if (ret_val) + return ret_val; + ret_val = atl1e_write_phy_reg(hw, MII_DBG_DATA, 0x8BBB); + if (ret_val) + return ret_val; + + ret_val = atl1e_write_phy_reg(hw, MII_DBG_ADDR, 0x5); + if (ret_val) + return ret_val; + ret_val = atl1e_write_phy_reg(hw, MII_DBG_DATA, 0x2C46); + if (ret_val) + return ret_val; + + msleep(1); + + /*Enable PHY LinkChange Interrupt */ + ret_val = atl1e_write_phy_reg(hw, MII_INT_CTRL, 0xC00); + if (ret_val) { + netdev_err(adapter->netdev, + "Error enable PHY linkChange Interrupt\n"); + return ret_val; + } + /* setup AutoNeg parameters */ + ret_val = atl1e_phy_setup_autoneg_adv(hw); + if (ret_val) { + netdev_err(adapter->netdev, + "Error Setting up Auto-Negotiation\n"); + return ret_val; + } + /* SW.Reset & En-Auto-Neg to restart Auto-Neg*/ + netdev_dbg(adapter->netdev, "Restarting Auto-Negotiation\n"); + ret_val = atl1e_phy_commit(hw); + if (ret_val) { + netdev_err(adapter->netdev, "Error resetting the phy\n"); + return ret_val; + } + + hw->phy_configured = true; + + return 0; +} + +/* + * Reset the transmit and receive units; mask and clear all interrupts. + * hw - Struct containing variables accessed by shared code + * return : 0 or idle status (if error) + */ +int atl1e_reset_hw(struct atl1e_hw *hw) +{ + struct atl1e_adapter *adapter = hw->adapter; + struct pci_dev *pdev = adapter->pdev; + + u32 idle_status_data = 0; + u16 pci_cfg_cmd_word = 0; + int timeout = 0; + + /* Workaround for PCI problem when BIOS sets MMRBC incorrectly. */ + pci_read_config_word(pdev, PCI_REG_COMMAND, &pci_cfg_cmd_word); + if ((pci_cfg_cmd_word & (CMD_IO_SPACE | + CMD_MEMORY_SPACE | CMD_BUS_MASTER)) + != (CMD_IO_SPACE | CMD_MEMORY_SPACE | CMD_BUS_MASTER)) { + pci_cfg_cmd_word |= (CMD_IO_SPACE | + CMD_MEMORY_SPACE | CMD_BUS_MASTER); + pci_write_config_word(pdev, PCI_REG_COMMAND, pci_cfg_cmd_word); + } + + /* + * Issue Soft Reset to the MAC. This will reset the chip's + * transmit, receive, DMA. It will not effect + * the current PCI configuration. The global reset bit is self- + * clearing, and should clear within a microsecond. + */ + AT_WRITE_REG(hw, REG_MASTER_CTRL, + MASTER_CTRL_LED_MODE | MASTER_CTRL_SOFT_RST); + wmb(); + msleep(1); + + /* Wait at least 10ms for All module to be Idle */ + for (timeout = 0; timeout < AT_HW_MAX_IDLE_DELAY; timeout++) { + idle_status_data = AT_READ_REG(hw, REG_IDLE_STATUS); + if (idle_status_data == 0) + break; + msleep(1); + cpu_relax(); + } + + if (timeout >= AT_HW_MAX_IDLE_DELAY) { + netdev_err(adapter->netdev, + "MAC state machine can't be idle since disabled for 10ms second\n"); + return AT_ERR_TIMEOUT; + } + + return 0; +} + + +/* + * Performs basic configuration of the adapter. + * + * hw - Struct containing variables accessed by shared code + * Assumes that the controller has previously been reset and is in a + * post-reset uninitialized state. Initializes multicast table, + * and Calls routines to setup link + * Leaves the transmit and receive units disabled and uninitialized. + */ +int atl1e_init_hw(struct atl1e_hw *hw) +{ + s32 ret_val = 0; + + atl1e_init_pcie(hw); + + /* Zero out the Multicast HASH table */ + /* clear the old settings from the multicast hash table */ + AT_WRITE_REG(hw, REG_RX_HASH_TABLE, 0); + AT_WRITE_REG_ARRAY(hw, REG_RX_HASH_TABLE, 1, 0); + + ret_val = atl1e_phy_init(hw); + + return ret_val; +} + +/* + * Detects the current speed and duplex settings of the hardware. + * + * hw - Struct containing variables accessed by shared code + * speed - Speed of the connection + * duplex - Duplex setting of the connection + */ +int atl1e_get_speed_and_duplex(struct atl1e_hw *hw, u16 *speed, u16 *duplex) +{ + int err; + u16 phy_data; + + /* Read PHY Specific Status Register (17) */ + err = atl1e_read_phy_reg(hw, MII_AT001_PSSR, &phy_data); + if (err) + return err; + + if (!(phy_data & MII_AT001_PSSR_SPD_DPLX_RESOLVED)) + return AT_ERR_PHY_RES; + + switch (phy_data & MII_AT001_PSSR_SPEED) { + case MII_AT001_PSSR_1000MBS: + *speed = SPEED_1000; + break; + case MII_AT001_PSSR_100MBS: + *speed = SPEED_100; + break; + case MII_AT001_PSSR_10MBS: + *speed = SPEED_10; + break; + default: + return AT_ERR_PHY_SPEED; + break; + } + + if (phy_data & MII_AT001_PSSR_DPLX) + *duplex = FULL_DUPLEX; + else + *duplex = HALF_DUPLEX; + + return 0; +} + +int atl1e_restart_autoneg(struct atl1e_hw *hw) +{ + int err = 0; + + err = atl1e_write_phy_reg(hw, MII_ADVERTISE, hw->mii_autoneg_adv_reg); + if (err) + return err; + + if (hw->nic_type == athr_l1e || hw->nic_type == athr_l2e_revA) { + err = atl1e_write_phy_reg(hw, MII_CTRL1000, + hw->mii_1000t_ctrl_reg); + if (err) + return err; + } + + err = atl1e_write_phy_reg(hw, MII_BMCR, + BMCR_RESET | BMCR_ANENABLE | BMCR_ANRESTART); + return err; +} + diff --git a/drivers/net/ethernet/atheros/atl1e/atl1e_hw.h b/drivers/net/ethernet/atheros/atl1e/atl1e_hw.h new file mode 100644 index 000000000000..74df16aef793 --- /dev/null +++ b/drivers/net/ethernet/atheros/atl1e/atl1e_hw.h @@ -0,0 +1,690 @@ +/* + * Copyright(c) 2007 Atheros Corporation. All rights reserved. + * + * Derived from Intel e1000 driver + * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., 59 + * Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#ifndef _ATHL1E_HW_H_ +#define _ATHL1E_HW_H_ + +#include +#include + +struct atl1e_adapter; +struct atl1e_hw; + +/* function prototype */ +s32 atl1e_reset_hw(struct atl1e_hw *hw); +s32 atl1e_read_mac_addr(struct atl1e_hw *hw); +s32 atl1e_init_hw(struct atl1e_hw *hw); +s32 atl1e_phy_commit(struct atl1e_hw *hw); +s32 atl1e_get_speed_and_duplex(struct atl1e_hw *hw, u16 *speed, u16 *duplex); +u32 atl1e_auto_get_fc(struct atl1e_adapter *adapter, u16 duplex); +u32 atl1e_hash_mc_addr(struct atl1e_hw *hw, u8 *mc_addr); +void atl1e_hash_set(struct atl1e_hw *hw, u32 hash_value); +s32 atl1e_read_phy_reg(struct atl1e_hw *hw, u16 reg_addr, u16 *phy_data); +s32 atl1e_write_phy_reg(struct atl1e_hw *hw, u32 reg_addr, u16 phy_data); +s32 atl1e_validate_mdi_setting(struct atl1e_hw *hw); +void atl1e_hw_set_mac_addr(struct atl1e_hw *hw); +bool atl1e_read_eeprom(struct atl1e_hw *hw, u32 offset, u32 *p_value); +bool atl1e_write_eeprom(struct atl1e_hw *hw, u32 offset, u32 value); +s32 atl1e_phy_enter_power_saving(struct atl1e_hw *hw); +s32 atl1e_phy_leave_power_saving(struct atl1e_hw *hw); +s32 atl1e_phy_init(struct atl1e_hw *hw); +int atl1e_check_eeprom_exist(struct atl1e_hw *hw); +void atl1e_force_ps(struct atl1e_hw *hw); +s32 atl1e_restart_autoneg(struct atl1e_hw *hw); + +/* register definition */ +#define REG_PM_CTRLSTAT 0x44 + +#define REG_PCIE_CAP_LIST 0x58 + +#define REG_DEVICE_CAP 0x5C +#define DEVICE_CAP_MAX_PAYLOAD_MASK 0x7 +#define DEVICE_CAP_MAX_PAYLOAD_SHIFT 0 + +#define REG_DEVICE_CTRL 0x60 +#define DEVICE_CTRL_MAX_PAYLOAD_MASK 0x7 +#define DEVICE_CTRL_MAX_PAYLOAD_SHIFT 5 +#define DEVICE_CTRL_MAX_RREQ_SZ_MASK 0x7 +#define DEVICE_CTRL_MAX_RREQ_SZ_SHIFT 12 + +#define REG_VPD_CAP 0x6C +#define VPD_CAP_ID_MASK 0xff +#define VPD_CAP_ID_SHIFT 0 +#define VPD_CAP_NEXT_PTR_MASK 0xFF +#define VPD_CAP_NEXT_PTR_SHIFT 8 +#define VPD_CAP_VPD_ADDR_MASK 0x7FFF +#define VPD_CAP_VPD_ADDR_SHIFT 16 +#define VPD_CAP_VPD_FLAG 0x80000000 + +#define REG_VPD_DATA 0x70 + +#define REG_SPI_FLASH_CTRL 0x200 +#define SPI_FLASH_CTRL_STS_NON_RDY 0x1 +#define SPI_FLASH_CTRL_STS_WEN 0x2 +#define SPI_FLASH_CTRL_STS_WPEN 0x80 +#define SPI_FLASH_CTRL_DEV_STS_MASK 0xFF +#define SPI_FLASH_CTRL_DEV_STS_SHIFT 0 +#define SPI_FLASH_CTRL_INS_MASK 0x7 +#define SPI_FLASH_CTRL_INS_SHIFT 8 +#define SPI_FLASH_CTRL_START 0x800 +#define SPI_FLASH_CTRL_EN_VPD 0x2000 +#define SPI_FLASH_CTRL_LDSTART 0x8000 +#define SPI_FLASH_CTRL_CS_HI_MASK 0x3 +#define SPI_FLASH_CTRL_CS_HI_SHIFT 16 +#define SPI_FLASH_CTRL_CS_HOLD_MASK 0x3 +#define SPI_FLASH_CTRL_CS_HOLD_SHIFT 18 +#define SPI_FLASH_CTRL_CLK_LO_MASK 0x3 +#define SPI_FLASH_CTRL_CLK_LO_SHIFT 20 +#define SPI_FLASH_CTRL_CLK_HI_MASK 0x3 +#define SPI_FLASH_CTRL_CLK_HI_SHIFT 22 +#define SPI_FLASH_CTRL_CS_SETUP_MASK 0x3 +#define SPI_FLASH_CTRL_CS_SETUP_SHIFT 24 +#define SPI_FLASH_CTRL_EROM_PGSZ_MASK 0x3 +#define SPI_FLASH_CTRL_EROM_PGSZ_SHIFT 26 +#define SPI_FLASH_CTRL_WAIT_READY 0x10000000 + +#define REG_SPI_ADDR 0x204 + +#define REG_SPI_DATA 0x208 + +#define REG_SPI_FLASH_CONFIG 0x20C +#define SPI_FLASH_CONFIG_LD_ADDR_MASK 0xFFFFFF +#define SPI_FLASH_CONFIG_LD_ADDR_SHIFT 0 +#define SPI_FLASH_CONFIG_VPD_ADDR_MASK 0x3 +#define SPI_FLASH_CONFIG_VPD_ADDR_SHIFT 24 +#define SPI_FLASH_CONFIG_LD_EXIST 0x4000000 + + +#define REG_SPI_FLASH_OP_PROGRAM 0x210 +#define REG_SPI_FLASH_OP_SC_ERASE 0x211 +#define REG_SPI_FLASH_OP_CHIP_ERASE 0x212 +#define REG_SPI_FLASH_OP_RDID 0x213 +#define REG_SPI_FLASH_OP_WREN 0x214 +#define REG_SPI_FLASH_OP_RDSR 0x215 +#define REG_SPI_FLASH_OP_WRSR 0x216 +#define REG_SPI_FLASH_OP_READ 0x217 + +#define REG_TWSI_CTRL 0x218 +#define TWSI_CTRL_LD_OFFSET_MASK 0xFF +#define TWSI_CTRL_LD_OFFSET_SHIFT 0 +#define TWSI_CTRL_LD_SLV_ADDR_MASK 0x7 +#define TWSI_CTRL_LD_SLV_ADDR_SHIFT 8 +#define TWSI_CTRL_SW_LDSTART 0x800 +#define TWSI_CTRL_HW_LDSTART 0x1000 +#define TWSI_CTRL_SMB_SLV_ADDR_MASK 0x0x7F +#define TWSI_CTRL_SMB_SLV_ADDR_SHIFT 15 +#define TWSI_CTRL_LD_EXIST 0x400000 +#define TWSI_CTRL_READ_FREQ_SEL_MASK 0x3 +#define TWSI_CTRL_READ_FREQ_SEL_SHIFT 23 +#define TWSI_CTRL_FREQ_SEL_100K 0 +#define TWSI_CTRL_FREQ_SEL_200K 1 +#define TWSI_CTRL_FREQ_SEL_300K 2 +#define TWSI_CTRL_FREQ_SEL_400K 3 +#define TWSI_CTRL_SMB_SLV_ADDR +#define TWSI_CTRL_WRITE_FREQ_SEL_MASK 0x3 +#define TWSI_CTRL_WRITE_FREQ_SEL_SHIFT 24 + + +#define REG_PCIE_DEV_MISC_CTRL 0x21C +#define PCIE_DEV_MISC_CTRL_EXT_PIPE 0x2 +#define PCIE_DEV_MISC_CTRL_RETRY_BUFDIS 0x1 +#define PCIE_DEV_MISC_CTRL_SPIROM_EXIST 0x4 +#define PCIE_DEV_MISC_CTRL_SERDES_ENDIAN 0x8 +#define PCIE_DEV_MISC_CTRL_SERDES_SEL_DIN 0x10 + +#define REG_PCIE_PHYMISC 0x1000 +#define PCIE_PHYMISC_FORCE_RCV_DET 0x4 + +#define REG_LTSSM_TEST_MODE 0x12FC +#define LTSSM_TEST_MODE_DEF 0xE000 + +/* Selene Master Control Register */ +#define REG_MASTER_CTRL 0x1400 +#define MASTER_CTRL_SOFT_RST 0x1 +#define MASTER_CTRL_MTIMER_EN 0x2 +#define MASTER_CTRL_ITIMER_EN 0x4 +#define MASTER_CTRL_MANUAL_INT 0x8 +#define MASTER_CTRL_ITIMER2_EN 0x20 +#define MASTER_CTRL_INT_RDCLR 0x40 +#define MASTER_CTRL_LED_MODE 0x200 +#define MASTER_CTRL_REV_NUM_SHIFT 16 +#define MASTER_CTRL_REV_NUM_MASK 0xff +#define MASTER_CTRL_DEV_ID_SHIFT 24 +#define MASTER_CTRL_DEV_ID_MASK 0xff + +/* Timer Initial Value Register */ +#define REG_MANUAL_TIMER_INIT 0x1404 + + +/* IRQ ModeratorTimer Initial Value Register */ +#define REG_IRQ_MODU_TIMER_INIT 0x1408 /* w */ +#define REG_IRQ_MODU_TIMER2_INIT 0x140A /* w */ + + +#define REG_GPHY_CTRL 0x140C +#define GPHY_CTRL_EXT_RESET 1 +#define GPHY_CTRL_PIPE_MOD 2 +#define GPHY_CTRL_TEST_MODE_MASK 3 +#define GPHY_CTRL_TEST_MODE_SHIFT 2 +#define GPHY_CTRL_BERT_START 0x10 +#define GPHY_CTRL_GATE_25M_EN 0x20 +#define GPHY_CTRL_LPW_EXIT 0x40 +#define GPHY_CTRL_PHY_IDDQ 0x80 +#define GPHY_CTRL_PHY_IDDQ_DIS 0x100 +#define GPHY_CTRL_PCLK_SEL_DIS 0x200 +#define GPHY_CTRL_HIB_EN 0x400 +#define GPHY_CTRL_HIB_PULSE 0x800 +#define GPHY_CTRL_SEL_ANA_RST 0x1000 +#define GPHY_CTRL_PHY_PLL_ON 0x2000 +#define GPHY_CTRL_PWDOWN_HW 0x4000 +#define GPHY_CTRL_DEFAULT (\ + GPHY_CTRL_PHY_PLL_ON |\ + GPHY_CTRL_SEL_ANA_RST |\ + GPHY_CTRL_HIB_PULSE |\ + GPHY_CTRL_HIB_EN) + +#define GPHY_CTRL_PW_WOL_DIS (\ + GPHY_CTRL_PHY_PLL_ON |\ + GPHY_CTRL_SEL_ANA_RST |\ + GPHY_CTRL_HIB_PULSE |\ + GPHY_CTRL_HIB_EN |\ + GPHY_CTRL_PWDOWN_HW |\ + GPHY_CTRL_PCLK_SEL_DIS |\ + GPHY_CTRL_PHY_IDDQ) + +/* IRQ Anti-Lost Timer Initial Value Register */ +#define REG_CMBDISDMA_TIMER 0x140E + + +/* Block IDLE Status Register */ +#define REG_IDLE_STATUS 0x1410 +#define IDLE_STATUS_RXMAC 1 /* 1: RXMAC state machine is in non-IDLE state. 0: RXMAC is idling */ +#define IDLE_STATUS_TXMAC 2 /* 1: TXMAC state machine is in non-IDLE state. 0: TXMAC is idling */ +#define IDLE_STATUS_RXQ 4 /* 1: RXQ state machine is in non-IDLE state. 0: RXQ is idling */ +#define IDLE_STATUS_TXQ 8 /* 1: TXQ state machine is in non-IDLE state. 0: TXQ is idling */ +#define IDLE_STATUS_DMAR 0x10 /* 1: DMAR state machine is in non-IDLE state. 0: DMAR is idling */ +#define IDLE_STATUS_DMAW 0x20 /* 1: DMAW state machine is in non-IDLE state. 0: DMAW is idling */ +#define IDLE_STATUS_SMB 0x40 /* 1: SMB state machine is in non-IDLE state. 0: SMB is idling */ +#define IDLE_STATUS_CMB 0x80 /* 1: CMB state machine is in non-IDLE state. 0: CMB is idling */ + +/* MDIO Control Register */ +#define REG_MDIO_CTRL 0x1414 +#define MDIO_DATA_MASK 0xffff /* On MDIO write, the 16-bit control data to write to PHY MII management register */ +#define MDIO_DATA_SHIFT 0 /* On MDIO read, the 16-bit status data that was read from the PHY MII management register*/ +#define MDIO_REG_ADDR_MASK 0x1f /* MDIO register address */ +#define MDIO_REG_ADDR_SHIFT 16 +#define MDIO_RW 0x200000 /* 1: read, 0: write */ +#define MDIO_SUP_PREAMBLE 0x400000 /* Suppress preamble */ +#define MDIO_START 0x800000 /* Write 1 to initiate the MDIO master. And this bit is self cleared after one cycle*/ +#define MDIO_CLK_SEL_SHIFT 24 +#define MDIO_CLK_25_4 0 +#define MDIO_CLK_25_6 2 +#define MDIO_CLK_25_8 3 +#define MDIO_CLK_25_10 4 +#define MDIO_CLK_25_14 5 +#define MDIO_CLK_25_20 6 +#define MDIO_CLK_25_28 7 +#define MDIO_BUSY 0x8000000 +#define MDIO_AP_EN 0x10000000 +#define MDIO_WAIT_TIMES 10 + +/* MII PHY Status Register */ +#define REG_PHY_STATUS 0x1418 +#define PHY_STATUS_100M 0x20000 +#define PHY_STATUS_EMI_CA 0x40000 + +/* BIST Control and Status Register0 (for the Packet Memory) */ +#define REG_BIST0_CTRL 0x141c +#define BIST0_NOW 0x1 /* 1: To trigger BIST0 logic. This bit stays high during the */ +/* BIST process and reset to zero when BIST is done */ +#define BIST0_SRAM_FAIL 0x2 /* 1: The SRAM failure is un-repairable because it has address */ +/* decoder failure or more than 1 cell stuck-to-x failure */ +#define BIST0_FUSE_FLAG 0x4 /* 1: Indicating one cell has been fixed */ + +/* BIST Control and Status Register1(for the retry buffer of PCI Express) */ +#define REG_BIST1_CTRL 0x1420 +#define BIST1_NOW 0x1 /* 1: To trigger BIST0 logic. This bit stays high during the */ +/* BIST process and reset to zero when BIST is done */ +#define BIST1_SRAM_FAIL 0x2 /* 1: The SRAM failure is un-repairable because it has address */ +/* decoder failure or more than 1 cell stuck-to-x failure.*/ +#define BIST1_FUSE_FLAG 0x4 + +/* SerDes Lock Detect Control and Status Register */ +#define REG_SERDES_LOCK 0x1424 +#define SERDES_LOCK_DETECT 1 /* 1: SerDes lock detected . This signal comes from Analog SerDes */ +#define SERDES_LOCK_DETECT_EN 2 /* 1: Enable SerDes Lock detect function */ + +/* MAC Control Register */ +#define REG_MAC_CTRL 0x1480 +#define MAC_CTRL_TX_EN 1 /* 1: Transmit Enable */ +#define MAC_CTRL_RX_EN 2 /* 1: Receive Enable */ +#define MAC_CTRL_TX_FLOW 4 /* 1: Transmit Flow Control Enable */ +#define MAC_CTRL_RX_FLOW 8 /* 1: Receive Flow Control Enable */ +#define MAC_CTRL_LOOPBACK 0x10 /* 1: Loop back at G/MII Interface */ +#define MAC_CTRL_DUPLX 0x20 /* 1: Full-duplex mode 0: Half-duplex mode */ +#define MAC_CTRL_ADD_CRC 0x40 /* 1: Instruct MAC to attach CRC on all egress Ethernet frames */ +#define MAC_CTRL_PAD 0x80 /* 1: Instruct MAC to pad short frames to 60-bytes, and then attach CRC. This bit has higher priority over CRC_EN */ +#define MAC_CTRL_LENCHK 0x100 /* 1: Instruct MAC to check if length field matches the real packet length */ +#define MAC_CTRL_HUGE_EN 0x200 /* 1: receive Jumbo frame enable */ +#define MAC_CTRL_PRMLEN_SHIFT 10 /* Preamble length */ +#define MAC_CTRL_PRMLEN_MASK 0xf +#define MAC_CTRL_RMV_VLAN 0x4000 /* 1: to remove VLAN Tag automatically from all receive packets */ +#define MAC_CTRL_PROMIS_EN 0x8000 /* 1: Promiscuous Mode Enable */ +#define MAC_CTRL_TX_PAUSE 0x10000 /* 1: transmit test pause */ +#define MAC_CTRL_SCNT 0x20000 /* 1: shortcut slot time counter */ +#define MAC_CTRL_SRST_TX 0x40000 /* 1: synchronized reset Transmit MAC module */ +#define MAC_CTRL_TX_SIMURST 0x80000 /* 1: transmit simulation reset */ +#define MAC_CTRL_SPEED_SHIFT 20 /* 10: gigabit 01:10M/100M */ +#define MAC_CTRL_SPEED_MASK 0x300000 +#define MAC_CTRL_SPEED_1000 2 +#define MAC_CTRL_SPEED_10_100 1 +#define MAC_CTRL_DBG_TX_BKPRESURE 0x400000 /* 1: transmit maximum backoff (half-duplex test bit) */ +#define MAC_CTRL_TX_HUGE 0x800000 /* 1: transmit huge enable */ +#define MAC_CTRL_RX_CHKSUM_EN 0x1000000 /* 1: RX checksum enable */ +#define MAC_CTRL_MC_ALL_EN 0x2000000 /* 1: upload all multicast frame without error to system */ +#define MAC_CTRL_BC_EN 0x4000000 /* 1: upload all broadcast frame without error to system */ +#define MAC_CTRL_DBG 0x8000000 /* 1: upload all received frame to system (Debug Mode) */ + +/* MAC IPG/IFG Control Register */ +#define REG_MAC_IPG_IFG 0x1484 +#define MAC_IPG_IFG_IPGT_SHIFT 0 /* Desired back to back inter-packet gap. The default is 96-bit time */ +#define MAC_IPG_IFG_IPGT_MASK 0x7f +#define MAC_IPG_IFG_MIFG_SHIFT 8 /* Minimum number of IFG to enforce in between RX frames */ +#define MAC_IPG_IFG_MIFG_MASK 0xff /* Frame gap below such IFP is dropped */ +#define MAC_IPG_IFG_IPGR1_SHIFT 16 /* 64bit Carrier-Sense window */ +#define MAC_IPG_IFG_IPGR1_MASK 0x7f +#define MAC_IPG_IFG_IPGR2_SHIFT 24 /* 96-bit IPG window */ +#define MAC_IPG_IFG_IPGR2_MASK 0x7f + +/* MAC STATION ADDRESS */ +#define REG_MAC_STA_ADDR 0x1488 + +/* Hash table for multicast address */ +#define REG_RX_HASH_TABLE 0x1490 + + +/* MAC Half-Duplex Control Register */ +#define REG_MAC_HALF_DUPLX_CTRL 0x1498 +#define MAC_HALF_DUPLX_CTRL_LCOL_SHIFT 0 /* Collision Window */ +#define MAC_HALF_DUPLX_CTRL_LCOL_MASK 0x3ff +#define MAC_HALF_DUPLX_CTRL_RETRY_SHIFT 12 /* Retransmission maximum, afterwards the packet will be discarded */ +#define MAC_HALF_DUPLX_CTRL_RETRY_MASK 0xf +#define MAC_HALF_DUPLX_CTRL_EXC_DEF_EN 0x10000 /* 1: Allow the transmission of a packet which has been excessively deferred */ +#define MAC_HALF_DUPLX_CTRL_NO_BACK_C 0x20000 /* 1: No back-off on collision, immediately start the retransmission */ +#define MAC_HALF_DUPLX_CTRL_NO_BACK_P 0x40000 /* 1: No back-off on backpressure, immediately start the transmission after back pressure */ +#define MAC_HALF_DUPLX_CTRL_ABEBE 0x80000 /* 1: Alternative Binary Exponential Back-off Enabled */ +#define MAC_HALF_DUPLX_CTRL_ABEBT_SHIFT 20 /* Maximum binary exponential number */ +#define MAC_HALF_DUPLX_CTRL_ABEBT_MASK 0xf +#define MAC_HALF_DUPLX_CTRL_JAMIPG_SHIFT 24 /* IPG to start JAM for collision based flow control in half-duplex */ +#define MAC_HALF_DUPLX_CTRL_JAMIPG_MASK 0xf /* mode. In unit of 8-bit time */ + +/* Maximum Frame Length Control Register */ +#define REG_MTU 0x149c + +/* Wake-On-Lan control register */ +#define REG_WOL_CTRL 0x14a0 +#define WOL_PATTERN_EN 0x00000001 +#define WOL_PATTERN_PME_EN 0x00000002 +#define WOL_MAGIC_EN 0x00000004 +#define WOL_MAGIC_PME_EN 0x00000008 +#define WOL_LINK_CHG_EN 0x00000010 +#define WOL_LINK_CHG_PME_EN 0x00000020 +#define WOL_PATTERN_ST 0x00000100 +#define WOL_MAGIC_ST 0x00000200 +#define WOL_LINKCHG_ST 0x00000400 +#define WOL_CLK_SWITCH_EN 0x00008000 +#define WOL_PT0_EN 0x00010000 +#define WOL_PT1_EN 0x00020000 +#define WOL_PT2_EN 0x00040000 +#define WOL_PT3_EN 0x00080000 +#define WOL_PT4_EN 0x00100000 +#define WOL_PT5_EN 0x00200000 +#define WOL_PT6_EN 0x00400000 +/* WOL Length ( 2 DWORD ) */ +#define REG_WOL_PATTERN_LEN 0x14a4 +#define WOL_PT_LEN_MASK 0x7f +#define WOL_PT0_LEN_SHIFT 0 +#define WOL_PT1_LEN_SHIFT 8 +#define WOL_PT2_LEN_SHIFT 16 +#define WOL_PT3_LEN_SHIFT 24 +#define WOL_PT4_LEN_SHIFT 0 +#define WOL_PT5_LEN_SHIFT 8 +#define WOL_PT6_LEN_SHIFT 16 + +/* Internal SRAM Partition Register */ +#define REG_SRAM_TRD_ADDR 0x1518 +#define REG_SRAM_TRD_LEN 0x151C +#define REG_SRAM_RXF_ADDR 0x1520 +#define REG_SRAM_RXF_LEN 0x1524 +#define REG_SRAM_TXF_ADDR 0x1528 +#define REG_SRAM_TXF_LEN 0x152C +#define REG_SRAM_TCPH_ADDR 0x1530 +#define REG_SRAM_PKTH_ADDR 0x1532 + +/* Load Ptr Register */ +#define REG_LOAD_PTR 0x1534 /* Software sets this bit after the initialization of the head and tail */ + +/* + * addresses of all descriptors, as well as the following descriptor + * control register, which triggers each function block to load the head + * pointer to prepare for the operation. This bit is then self-cleared + * after one cycle. + */ + +/* Descriptor Control register */ +#define REG_RXF3_BASE_ADDR_HI 0x153C +#define REG_DESC_BASE_ADDR_HI 0x1540 +#define REG_RXF0_BASE_ADDR_HI 0x1540 /* share with DESC BASE ADDR HI */ +#define REG_HOST_RXF0_PAGE0_LO 0x1544 +#define REG_HOST_RXF0_PAGE1_LO 0x1548 +#define REG_TPD_BASE_ADDR_LO 0x154C +#define REG_RXF1_BASE_ADDR_HI 0x1550 +#define REG_RXF2_BASE_ADDR_HI 0x1554 +#define REG_HOST_RXFPAGE_SIZE 0x1558 +#define REG_TPD_RING_SIZE 0x155C +/* RSS about */ +#define REG_RSS_KEY0 0x14B0 +#define REG_RSS_KEY1 0x14B4 +#define REG_RSS_KEY2 0x14B8 +#define REG_RSS_KEY3 0x14BC +#define REG_RSS_KEY4 0x14C0 +#define REG_RSS_KEY5 0x14C4 +#define REG_RSS_KEY6 0x14C8 +#define REG_RSS_KEY7 0x14CC +#define REG_RSS_KEY8 0x14D0 +#define REG_RSS_KEY9 0x14D4 +#define REG_IDT_TABLE4 0x14E0 +#define REG_IDT_TABLE5 0x14E4 +#define REG_IDT_TABLE6 0x14E8 +#define REG_IDT_TABLE7 0x14EC +#define REG_IDT_TABLE0 0x1560 +#define REG_IDT_TABLE1 0x1564 +#define REG_IDT_TABLE2 0x1568 +#define REG_IDT_TABLE3 0x156C +#define REG_IDT_TABLE REG_IDT_TABLE0 +#define REG_RSS_HASH_VALUE 0x1570 +#define REG_RSS_HASH_FLAG 0x1574 +#define REG_BASE_CPU_NUMBER 0x157C + + +/* TXQ Control Register */ +#define REG_TXQ_CTRL 0x1580 +#define TXQ_CTRL_NUM_TPD_BURST_MASK 0xF +#define TXQ_CTRL_NUM_TPD_BURST_SHIFT 0 +#define TXQ_CTRL_EN 0x20 /* 1: Enable TXQ */ +#define TXQ_CTRL_ENH_MODE 0x40 /* Performance enhancement mode, in which up to two back-to-back DMA read commands might be dispatched. */ +#define TXQ_CTRL_TXF_BURST_NUM_SHIFT 16 /* Number of data byte to read in a cache-aligned burst. Each SRAM entry is 8-byte in length. */ +#define TXQ_CTRL_TXF_BURST_NUM_MASK 0xffff + +/* Jumbo packet Threshold for task offload */ +#define REG_TX_EARLY_TH 0x1584 /* Jumbo frame threshold in QWORD unit. Packet greater than */ +/* JUMBO_TASK_OFFLOAD_THRESHOLD will not be task offloaded. */ +#define TX_TX_EARLY_TH_MASK 0x7ff +#define TX_TX_EARLY_TH_SHIFT 0 + + +/* RXQ Control Register */ +#define REG_RXQ_CTRL 0x15A0 +#define RXQ_CTRL_PBA_ALIGN_32 0 /* rx-packet alignment */ +#define RXQ_CTRL_PBA_ALIGN_64 1 +#define RXQ_CTRL_PBA_ALIGN_128 2 +#define RXQ_CTRL_PBA_ALIGN_256 3 +#define RXQ_CTRL_Q1_EN 0x10 +#define RXQ_CTRL_Q2_EN 0x20 +#define RXQ_CTRL_Q3_EN 0x40 +#define RXQ_CTRL_IPV6_XSUM_VERIFY_EN 0x80 +#define RXQ_CTRL_HASH_TLEN_SHIFT 8 +#define RXQ_CTRL_HASH_TLEN_MASK 0xFF +#define RXQ_CTRL_HASH_TYPE_IPV4 0x10000 +#define RXQ_CTRL_HASH_TYPE_IPV4_TCP 0x20000 +#define RXQ_CTRL_HASH_TYPE_IPV6 0x40000 +#define RXQ_CTRL_HASH_TYPE_IPV6_TCP 0x80000 +#define RXQ_CTRL_RSS_MODE_DISABLE 0 +#define RXQ_CTRL_RSS_MODE_SQSINT 0x4000000 +#define RXQ_CTRL_RSS_MODE_MQUESINT 0x8000000 +#define RXQ_CTRL_RSS_MODE_MQUEMINT 0xC000000 +#define RXQ_CTRL_NIP_QUEUE_SEL_TBL 0x10000000 +#define RXQ_CTRL_HASH_ENABLE 0x20000000 +#define RXQ_CTRL_CUT_THRU_EN 0x40000000 +#define RXQ_CTRL_EN 0x80000000 + +/* Rx jumbo packet threshold and rrd retirement timer */ +#define REG_RXQ_JMBOSZ_RRDTIM 0x15A4 +/* + * Jumbo packet threshold for non-VLAN packet, in QWORD (64-bit) unit. + * When the packet length greater than or equal to this value, RXQ + * shall start cut-through forwarding of the received packet. + */ +#define RXQ_JMBOSZ_TH_MASK 0x7ff +#define RXQ_JMBOSZ_TH_SHIFT 0 /* RRD retirement timer. Decrement by 1 after every 512ns passes*/ +#define RXQ_JMBO_LKAH_MASK 0xf +#define RXQ_JMBO_LKAH_SHIFT 11 + +/* RXF flow control register */ +#define REG_RXQ_RXF_PAUSE_THRESH 0x15A8 +#define RXQ_RXF_PAUSE_TH_HI_SHIFT 0 +#define RXQ_RXF_PAUSE_TH_HI_MASK 0xfff +#define RXQ_RXF_PAUSE_TH_LO_SHIFT 16 +#define RXQ_RXF_PAUSE_TH_LO_MASK 0xfff + + +/* DMA Engine Control Register */ +#define REG_DMA_CTRL 0x15C0 +#define DMA_CTRL_DMAR_IN_ORDER 0x1 +#define DMA_CTRL_DMAR_ENH_ORDER 0x2 +#define DMA_CTRL_DMAR_OUT_ORDER 0x4 +#define DMA_CTRL_RCB_VALUE 0x8 +#define DMA_CTRL_DMAR_BURST_LEN_SHIFT 4 +#define DMA_CTRL_DMAR_BURST_LEN_MASK 7 +#define DMA_CTRL_DMAW_BURST_LEN_SHIFT 7 +#define DMA_CTRL_DMAW_BURST_LEN_MASK 7 +#define DMA_CTRL_DMAR_REQ_PRI 0x400 +#define DMA_CTRL_DMAR_DLY_CNT_MASK 0x1F +#define DMA_CTRL_DMAR_DLY_CNT_SHIFT 11 +#define DMA_CTRL_DMAW_DLY_CNT_MASK 0xF +#define DMA_CTRL_DMAW_DLY_CNT_SHIFT 16 +#define DMA_CTRL_TXCMB_EN 0x100000 +#define DMA_CTRL_RXCMB_EN 0x200000 + + +/* CMB/SMB Control Register */ +#define REG_SMB_STAT_TIMER 0x15C4 +#define REG_TRIG_RRD_THRESH 0x15CA +#define REG_TRIG_TPD_THRESH 0x15C8 +#define REG_TRIG_TXTIMER 0x15CC +#define REG_TRIG_RXTIMER 0x15CE + +/* HOST RXF Page 1,2,3 address */ +#define REG_HOST_RXF1_PAGE0_LO 0x15D0 +#define REG_HOST_RXF1_PAGE1_LO 0x15D4 +#define REG_HOST_RXF2_PAGE0_LO 0x15D8 +#define REG_HOST_RXF2_PAGE1_LO 0x15DC +#define REG_HOST_RXF3_PAGE0_LO 0x15E0 +#define REG_HOST_RXF3_PAGE1_LO 0x15E4 + +/* Mail box */ +#define REG_MB_RXF1_RADDR 0x15B4 +#define REG_MB_RXF2_RADDR 0x15B8 +#define REG_MB_RXF3_RADDR 0x15BC +#define REG_MB_TPD_PROD_IDX 0x15F0 + +/* RXF-Page 0-3 PageNo & Valid bit */ +#define REG_HOST_RXF0_PAGE0_VLD 0x15F4 +#define HOST_RXF_VALID 1 +#define HOST_RXF_PAGENO_SHIFT 1 +#define HOST_RXF_PAGENO_MASK 0x7F +#define REG_HOST_RXF0_PAGE1_VLD 0x15F5 +#define REG_HOST_RXF1_PAGE0_VLD 0x15F6 +#define REG_HOST_RXF1_PAGE1_VLD 0x15F7 +#define REG_HOST_RXF2_PAGE0_VLD 0x15F8 +#define REG_HOST_RXF2_PAGE1_VLD 0x15F9 +#define REG_HOST_RXF3_PAGE0_VLD 0x15FA +#define REG_HOST_RXF3_PAGE1_VLD 0x15FB + +/* Interrupt Status Register */ +#define REG_ISR 0x1600 +#define ISR_SMB 1 +#define ISR_TIMER 2 /* Interrupt when Timer is counted down to zero */ +/* + * Software manual interrupt, for debug. Set when SW_MAN_INT_EN is set + * in Table 51 Selene Master Control Register (Offset 0x1400). + */ +#define ISR_MANUAL 4 +#define ISR_HW_RXF_OV 8 /* RXF overflow interrupt */ +#define ISR_HOST_RXF0_OV 0x10 +#define ISR_HOST_RXF1_OV 0x20 +#define ISR_HOST_RXF2_OV 0x40 +#define ISR_HOST_RXF3_OV 0x80 +#define ISR_TXF_UN 0x100 +#define ISR_RX0_PAGE_FULL 0x200 +#define ISR_DMAR_TO_RST 0x400 +#define ISR_DMAW_TO_RST 0x800 +#define ISR_GPHY 0x1000 +#define ISR_TX_CREDIT 0x2000 +#define ISR_GPHY_LPW 0x4000 /* GPHY low power state interrupt */ +#define ISR_RX_PKT 0x10000 /* One packet received, triggered by RFD */ +#define ISR_TX_PKT 0x20000 /* One packet transmitted, triggered by TPD */ +#define ISR_TX_DMA 0x40000 +#define ISR_RX_PKT_1 0x80000 +#define ISR_RX_PKT_2 0x100000 +#define ISR_RX_PKT_3 0x200000 +#define ISR_MAC_RX 0x400000 +#define ISR_MAC_TX 0x800000 +#define ISR_UR_DETECTED 0x1000000 +#define ISR_FERR_DETECTED 0x2000000 +#define ISR_NFERR_DETECTED 0x4000000 +#define ISR_CERR_DETECTED 0x8000000 +#define ISR_PHY_LINKDOWN 0x10000000 +#define ISR_DIS_INT 0x80000000 + + +/* Interrupt Mask Register */ +#define REG_IMR 0x1604 + + +#define IMR_NORMAL_MASK (\ + ISR_SMB |\ + ISR_TXF_UN |\ + ISR_HW_RXF_OV |\ + ISR_HOST_RXF0_OV|\ + ISR_MANUAL |\ + ISR_GPHY |\ + ISR_GPHY_LPW |\ + ISR_DMAR_TO_RST |\ + ISR_DMAW_TO_RST |\ + ISR_PHY_LINKDOWN|\ + ISR_RX_PKT |\ + ISR_TX_PKT) + +#define ISR_TX_EVENT (ISR_TXF_UN | ISR_TX_PKT) +#define ISR_RX_EVENT (ISR_HOST_RXF0_OV | ISR_HW_RXF_OV | ISR_RX_PKT) + +#define REG_MAC_RX_STATUS_BIN 0x1700 +#define REG_MAC_RX_STATUS_END 0x175c +#define REG_MAC_TX_STATUS_BIN 0x1760 +#define REG_MAC_TX_STATUS_END 0x17c0 + +/* Hardware Offset Register */ +#define REG_HOST_RXF0_PAGEOFF 0x1800 +#define REG_TPD_CONS_IDX 0x1804 +#define REG_HOST_RXF1_PAGEOFF 0x1808 +#define REG_HOST_RXF2_PAGEOFF 0x180C +#define REG_HOST_RXF3_PAGEOFF 0x1810 + +/* RXF-Page 0-3 Offset DMA Address */ +#define REG_HOST_RXF0_MB0_LO 0x1820 +#define REG_HOST_RXF0_MB1_LO 0x1824 +#define REG_HOST_RXF1_MB0_LO 0x1828 +#define REG_HOST_RXF1_MB1_LO 0x182C +#define REG_HOST_RXF2_MB0_LO 0x1830 +#define REG_HOST_RXF2_MB1_LO 0x1834 +#define REG_HOST_RXF3_MB0_LO 0x1838 +#define REG_HOST_RXF3_MB1_LO 0x183C + +/* Tpd CMB DMA Address */ +#define REG_HOST_TX_CMB_LO 0x1840 +#define REG_HOST_SMB_ADDR_LO 0x1844 + +/* DEBUG ADDR */ +#define REG_DEBUG_DATA0 0x1900 +#define REG_DEBUG_DATA1 0x1904 + +/***************************** MII definition ***************************************/ +/* PHY Common Register */ +#define MII_AT001_PSCR 0x10 +#define MII_AT001_PSSR 0x11 +#define MII_INT_CTRL 0x12 +#define MII_INT_STATUS 0x13 +#define MII_SMARTSPEED 0x14 +#define MII_LBRERROR 0x18 +#define MII_RESV2 0x1a + +#define MII_DBG_ADDR 0x1D +#define MII_DBG_DATA 0x1E + +/* Autoneg Advertisement Register */ +#define MII_AR_DEFAULT_CAP_MASK 0 + +/* 1000BASE-T Control Register */ +#define MII_AT001_CR_1000T_SPEED_MASK \ + (ADVERTISE_1000FULL | ADVERTISE_1000HALF) +#define MII_AT001_CR_1000T_DEFAULT_CAP_MASK MII_AT001_CR_1000T_SPEED_MASK + +/* AT001 PHY Specific Control Register */ +#define MII_AT001_PSCR_JABBER_DISABLE 0x0001 /* 1=Jabber Function disabled */ +#define MII_AT001_PSCR_POLARITY_REVERSAL 0x0002 /* 1=Polarity Reversal enabled */ +#define MII_AT001_PSCR_SQE_TEST 0x0004 /* 1=SQE Test enabled */ +#define MII_AT001_PSCR_MAC_POWERDOWN 0x0008 +#define MII_AT001_PSCR_CLK125_DISABLE 0x0010 /* 1=CLK125 low, + * 0=CLK125 toggling + */ +#define MII_AT001_PSCR_MDI_MANUAL_MODE 0x0000 /* MDI Crossover Mode bits 6:5 */ +/* Manual MDI configuration */ +#define MII_AT001_PSCR_MDIX_MANUAL_MODE 0x0020 /* Manual MDIX configuration */ +#define MII_AT001_PSCR_AUTO_X_1000T 0x0040 /* 1000BASE-T: Auto crossover, + * 100BASE-TX/10BASE-T: + * MDI Mode + */ +#define MII_AT001_PSCR_AUTO_X_MODE 0x0060 /* Auto crossover enabled + * all speeds. + */ +#define MII_AT001_PSCR_10BT_EXT_DIST_ENABLE 0x0080 +/* 1=Enable Extended 10BASE-T distance + * (Lower 10BASE-T RX Threshold) + * 0=Normal 10BASE-T RX Threshold */ +#define MII_AT001_PSCR_MII_5BIT_ENABLE 0x0100 +/* 1=5-Bit interface in 100BASE-TX + * 0=MII interface in 100BASE-TX */ +#define MII_AT001_PSCR_SCRAMBLER_DISABLE 0x0200 /* 1=Scrambler disable */ +#define MII_AT001_PSCR_FORCE_LINK_GOOD 0x0400 /* 1=Force link good */ +#define MII_AT001_PSCR_ASSERT_CRS_ON_TX 0x0800 /* 1=Assert CRS on Transmit */ +#define MII_AT001_PSCR_POLARITY_REVERSAL_SHIFT 1 +#define MII_AT001_PSCR_AUTO_X_MODE_SHIFT 5 +#define MII_AT001_PSCR_10BT_EXT_DIST_ENABLE_SHIFT 7 +/* AT001 PHY Specific Status Register */ +#define MII_AT001_PSSR_SPD_DPLX_RESOLVED 0x0800 /* 1=Speed & Duplex resolved */ +#define MII_AT001_PSSR_DPLX 0x2000 /* 1=Duplex 0=Half Duplex */ +#define MII_AT001_PSSR_SPEED 0xC000 /* Speed, bits 14:15 */ +#define MII_AT001_PSSR_10MBS 0x0000 /* 00=10Mbs */ +#define MII_AT001_PSSR_100MBS 0x4000 /* 01=100Mbs */ +#define MII_AT001_PSSR_1000MBS 0x8000 /* 10=1000Mbs */ + +#endif /*_ATHL1E_HW_H_*/ diff --git a/drivers/net/ethernet/atheros/atl1e/atl1e_main.c b/drivers/net/ethernet/atheros/atl1e/atl1e_main.c new file mode 100644 index 000000000000..d8d411998fa3 --- /dev/null +++ b/drivers/net/ethernet/atheros/atl1e/atl1e_main.c @@ -0,0 +1,2558 @@ +/* + * Copyright(c) 2007 Atheros Corporation. All rights reserved. + * + * Derived from Intel e1000 driver + * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., 59 + * Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#include "atl1e.h" + +#define DRV_VERSION "1.0.0.7-NAPI" + +char atl1e_driver_name[] = "ATL1E"; +char atl1e_driver_version[] = DRV_VERSION; +#define PCI_DEVICE_ID_ATTANSIC_L1E 0x1026 +/* + * atl1e_pci_tbl - PCI Device ID Table + * + * Wildcard entries (PCI_ANY_ID) should come last + * Last entry must be all 0s + * + * { Vendor ID, Device ID, SubVendor ID, SubDevice ID, + * Class, Class Mask, private data (not used) } + */ +static DEFINE_PCI_DEVICE_TABLE(atl1e_pci_tbl) = { + {PCI_DEVICE(PCI_VENDOR_ID_ATTANSIC, PCI_DEVICE_ID_ATTANSIC_L1E)}, + {PCI_DEVICE(PCI_VENDOR_ID_ATTANSIC, 0x1066)}, + /* required last entry */ + { 0 } +}; +MODULE_DEVICE_TABLE(pci, atl1e_pci_tbl); + +MODULE_AUTHOR("Atheros Corporation, , Jie Yang "); +MODULE_DESCRIPTION("Atheros 1000M Ethernet Network Driver"); +MODULE_LICENSE("GPL"); +MODULE_VERSION(DRV_VERSION); + +static void atl1e_setup_mac_ctrl(struct atl1e_adapter *adapter); + +static const u16 +atl1e_rx_page_vld_regs[AT_MAX_RECEIVE_QUEUE][AT_PAGE_NUM_PER_QUEUE] = +{ + {REG_HOST_RXF0_PAGE0_VLD, REG_HOST_RXF0_PAGE1_VLD}, + {REG_HOST_RXF1_PAGE0_VLD, REG_HOST_RXF1_PAGE1_VLD}, + {REG_HOST_RXF2_PAGE0_VLD, REG_HOST_RXF2_PAGE1_VLD}, + {REG_HOST_RXF3_PAGE0_VLD, REG_HOST_RXF3_PAGE1_VLD} +}; + +static const u16 atl1e_rx_page_hi_addr_regs[AT_MAX_RECEIVE_QUEUE] = +{ + REG_RXF0_BASE_ADDR_HI, + REG_RXF1_BASE_ADDR_HI, + REG_RXF2_BASE_ADDR_HI, + REG_RXF3_BASE_ADDR_HI +}; + +static const u16 +atl1e_rx_page_lo_addr_regs[AT_MAX_RECEIVE_QUEUE][AT_PAGE_NUM_PER_QUEUE] = +{ + {REG_HOST_RXF0_PAGE0_LO, REG_HOST_RXF0_PAGE1_LO}, + {REG_HOST_RXF1_PAGE0_LO, REG_HOST_RXF1_PAGE1_LO}, + {REG_HOST_RXF2_PAGE0_LO, REG_HOST_RXF2_PAGE1_LO}, + {REG_HOST_RXF3_PAGE0_LO, REG_HOST_RXF3_PAGE1_LO} +}; + +static const u16 +atl1e_rx_page_write_offset_regs[AT_MAX_RECEIVE_QUEUE][AT_PAGE_NUM_PER_QUEUE] = +{ + {REG_HOST_RXF0_MB0_LO, REG_HOST_RXF0_MB1_LO}, + {REG_HOST_RXF1_MB0_LO, REG_HOST_RXF1_MB1_LO}, + {REG_HOST_RXF2_MB0_LO, REG_HOST_RXF2_MB1_LO}, + {REG_HOST_RXF3_MB0_LO, REG_HOST_RXF3_MB1_LO} +}; + +static const u16 atl1e_pay_load_size[] = { + 128, 256, 512, 1024, 2048, 4096, +}; + +/* + * atl1e_irq_enable - Enable default interrupt generation settings + * @adapter: board private structure + */ +static inline void atl1e_irq_enable(struct atl1e_adapter *adapter) +{ + if (likely(atomic_dec_and_test(&adapter->irq_sem))) { + AT_WRITE_REG(&adapter->hw, REG_ISR, 0); + AT_WRITE_REG(&adapter->hw, REG_IMR, IMR_NORMAL_MASK); + AT_WRITE_FLUSH(&adapter->hw); + } +} + +/* + * atl1e_irq_disable - Mask off interrupt generation on the NIC + * @adapter: board private structure + */ +static inline void atl1e_irq_disable(struct atl1e_adapter *adapter) +{ + atomic_inc(&adapter->irq_sem); + AT_WRITE_REG(&adapter->hw, REG_IMR, 0); + AT_WRITE_FLUSH(&adapter->hw); + synchronize_irq(adapter->pdev->irq); +} + +/* + * atl1e_irq_reset - reset interrupt confiure on the NIC + * @adapter: board private structure + */ +static inline void atl1e_irq_reset(struct atl1e_adapter *adapter) +{ + atomic_set(&adapter->irq_sem, 0); + AT_WRITE_REG(&adapter->hw, REG_ISR, 0); + AT_WRITE_REG(&adapter->hw, REG_IMR, 0); + AT_WRITE_FLUSH(&adapter->hw); +} + +/* + * atl1e_phy_config - Timer Call-back + * @data: pointer to netdev cast into an unsigned long + */ +static void atl1e_phy_config(unsigned long data) +{ + struct atl1e_adapter *adapter = (struct atl1e_adapter *) data; + struct atl1e_hw *hw = &adapter->hw; + unsigned long flags; + + spin_lock_irqsave(&adapter->mdio_lock, flags); + atl1e_restart_autoneg(hw); + spin_unlock_irqrestore(&adapter->mdio_lock, flags); +} + +void atl1e_reinit_locked(struct atl1e_adapter *adapter) +{ + + WARN_ON(in_interrupt()); + while (test_and_set_bit(__AT_RESETTING, &adapter->flags)) + msleep(1); + atl1e_down(adapter); + atl1e_up(adapter); + clear_bit(__AT_RESETTING, &adapter->flags); +} + +static void atl1e_reset_task(struct work_struct *work) +{ + struct atl1e_adapter *adapter; + adapter = container_of(work, struct atl1e_adapter, reset_task); + + atl1e_reinit_locked(adapter); +} + +static int atl1e_check_link(struct atl1e_adapter *adapter) +{ + struct atl1e_hw *hw = &adapter->hw; + struct net_device *netdev = adapter->netdev; + int err = 0; + u16 speed, duplex, phy_data; + + /* MII_BMSR must read twice */ + atl1e_read_phy_reg(hw, MII_BMSR, &phy_data); + atl1e_read_phy_reg(hw, MII_BMSR, &phy_data); + if ((phy_data & BMSR_LSTATUS) == 0) { + /* link down */ + if (netif_carrier_ok(netdev)) { /* old link state: Up */ + u32 value; + /* disable rx */ + value = AT_READ_REG(hw, REG_MAC_CTRL); + value &= ~MAC_CTRL_RX_EN; + AT_WRITE_REG(hw, REG_MAC_CTRL, value); + adapter->link_speed = SPEED_0; + netif_carrier_off(netdev); + netif_stop_queue(netdev); + } + } else { + /* Link Up */ + err = atl1e_get_speed_and_duplex(hw, &speed, &duplex); + if (unlikely(err)) + return err; + + /* link result is our setting */ + if (adapter->link_speed != speed || + adapter->link_duplex != duplex) { + adapter->link_speed = speed; + adapter->link_duplex = duplex; + atl1e_setup_mac_ctrl(adapter); + netdev_info(netdev, + "NIC Link is Up <%d Mbps %s Duplex>\n", + adapter->link_speed, + adapter->link_duplex == FULL_DUPLEX ? + "Full" : "Half"); + } + + if (!netif_carrier_ok(netdev)) { + /* Link down -> Up */ + netif_carrier_on(netdev); + netif_wake_queue(netdev); + } + } + return 0; +} + +/* + * atl1e_link_chg_task - deal with link change event Out of interrupt context + * @netdev: network interface device structure + */ +static void atl1e_link_chg_task(struct work_struct *work) +{ + struct atl1e_adapter *adapter; + unsigned long flags; + + adapter = container_of(work, struct atl1e_adapter, link_chg_task); + spin_lock_irqsave(&adapter->mdio_lock, flags); + atl1e_check_link(adapter); + spin_unlock_irqrestore(&adapter->mdio_lock, flags); +} + +static void atl1e_link_chg_event(struct atl1e_adapter *adapter) +{ + struct net_device *netdev = adapter->netdev; + u16 phy_data = 0; + u16 link_up = 0; + + spin_lock(&adapter->mdio_lock); + atl1e_read_phy_reg(&adapter->hw, MII_BMSR, &phy_data); + atl1e_read_phy_reg(&adapter->hw, MII_BMSR, &phy_data); + spin_unlock(&adapter->mdio_lock); + link_up = phy_data & BMSR_LSTATUS; + /* notify upper layer link down ASAP */ + if (!link_up) { + if (netif_carrier_ok(netdev)) { + /* old link state: Up */ + netdev_info(netdev, "NIC Link is Down\n"); + adapter->link_speed = SPEED_0; + netif_stop_queue(netdev); + } + } + schedule_work(&adapter->link_chg_task); +} + +static void atl1e_del_timer(struct atl1e_adapter *adapter) +{ + del_timer_sync(&adapter->phy_config_timer); +} + +static void atl1e_cancel_work(struct atl1e_adapter *adapter) +{ + cancel_work_sync(&adapter->reset_task); + cancel_work_sync(&adapter->link_chg_task); +} + +/* + * atl1e_tx_timeout - Respond to a Tx Hang + * @netdev: network interface device structure + */ +static void atl1e_tx_timeout(struct net_device *netdev) +{ + struct atl1e_adapter *adapter = netdev_priv(netdev); + + /* Do the reset outside of interrupt context */ + schedule_work(&adapter->reset_task); +} + +/* + * atl1e_set_multi - Multicast and Promiscuous mode set + * @netdev: network interface device structure + * + * The set_multi entry point is called whenever the multicast address + * list or the network interface flags are updated. This routine is + * responsible for configuring the hardware for proper multicast, + * promiscuous mode, and all-multi behavior. + */ +static void atl1e_set_multi(struct net_device *netdev) +{ + struct atl1e_adapter *adapter = netdev_priv(netdev); + struct atl1e_hw *hw = &adapter->hw; + struct netdev_hw_addr *ha; + u32 mac_ctrl_data = 0; + u32 hash_value; + + /* Check for Promiscuous and All Multicast modes */ + mac_ctrl_data = AT_READ_REG(hw, REG_MAC_CTRL); + + if (netdev->flags & IFF_PROMISC) { + mac_ctrl_data |= MAC_CTRL_PROMIS_EN; + } else if (netdev->flags & IFF_ALLMULTI) { + mac_ctrl_data |= MAC_CTRL_MC_ALL_EN; + mac_ctrl_data &= ~MAC_CTRL_PROMIS_EN; + } else { + mac_ctrl_data &= ~(MAC_CTRL_PROMIS_EN | MAC_CTRL_MC_ALL_EN); + } + + AT_WRITE_REG(hw, REG_MAC_CTRL, mac_ctrl_data); + + /* clear the old settings from the multicast hash table */ + AT_WRITE_REG(hw, REG_RX_HASH_TABLE, 0); + AT_WRITE_REG_ARRAY(hw, REG_RX_HASH_TABLE, 1, 0); + + /* comoute mc addresses' hash value ,and put it into hash table */ + netdev_for_each_mc_addr(ha, netdev) { + hash_value = atl1e_hash_mc_addr(hw, ha->addr); + atl1e_hash_set(hw, hash_value); + } +} + +static void __atl1e_vlan_mode(u32 features, u32 *mac_ctrl_data) +{ + if (features & NETIF_F_HW_VLAN_RX) { + /* enable VLAN tag insert/strip */ + *mac_ctrl_data |= MAC_CTRL_RMV_VLAN; + } else { + /* disable VLAN tag insert/strip */ + *mac_ctrl_data &= ~MAC_CTRL_RMV_VLAN; + } +} + +static void atl1e_vlan_mode(struct net_device *netdev, u32 features) +{ + struct atl1e_adapter *adapter = netdev_priv(netdev); + u32 mac_ctrl_data = 0; + + netdev_dbg(adapter->netdev, "%s\n", __func__); + + atl1e_irq_disable(adapter); + mac_ctrl_data = AT_READ_REG(&adapter->hw, REG_MAC_CTRL); + __atl1e_vlan_mode(features, &mac_ctrl_data); + AT_WRITE_REG(&adapter->hw, REG_MAC_CTRL, mac_ctrl_data); + atl1e_irq_enable(adapter); +} + +static void atl1e_restore_vlan(struct atl1e_adapter *adapter) +{ + netdev_dbg(adapter->netdev, "%s\n", __func__); + atl1e_vlan_mode(adapter->netdev, adapter->netdev->features); +} + +/* + * atl1e_set_mac - Change the Ethernet Address of the NIC + * @netdev: network interface device structure + * @p: pointer to an address structure + * + * Returns 0 on success, negative on failure + */ +static int atl1e_set_mac_addr(struct net_device *netdev, void *p) +{ + struct atl1e_adapter *adapter = netdev_priv(netdev); + struct sockaddr *addr = p; + + if (!is_valid_ether_addr(addr->sa_data)) + return -EADDRNOTAVAIL; + + if (netif_running(netdev)) + return -EBUSY; + + memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); + memcpy(adapter->hw.mac_addr, addr->sa_data, netdev->addr_len); + + atl1e_hw_set_mac_addr(&adapter->hw); + + return 0; +} + +static u32 atl1e_fix_features(struct net_device *netdev, u32 features) +{ + /* + * Since there is no support for separate rx/tx vlan accel + * enable/disable make sure tx flag is always in same state as rx. + */ + if (features & NETIF_F_HW_VLAN_RX) + features |= NETIF_F_HW_VLAN_TX; + else + features &= ~NETIF_F_HW_VLAN_TX; + + return features; +} + +static int atl1e_set_features(struct net_device *netdev, u32 features) +{ + u32 changed = netdev->features ^ features; + + if (changed & NETIF_F_HW_VLAN_RX) + atl1e_vlan_mode(netdev, features); + + return 0; +} + +/* + * atl1e_change_mtu - Change the Maximum Transfer Unit + * @netdev: network interface device structure + * @new_mtu: new value for maximum frame size + * + * Returns 0 on success, negative on failure + */ +static int atl1e_change_mtu(struct net_device *netdev, int new_mtu) +{ + struct atl1e_adapter *adapter = netdev_priv(netdev); + int old_mtu = netdev->mtu; + int max_frame = new_mtu + ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN; + + if ((max_frame < ETH_ZLEN + ETH_FCS_LEN) || + (max_frame > MAX_JUMBO_FRAME_SIZE)) { + netdev_warn(adapter->netdev, "invalid MTU setting\n"); + return -EINVAL; + } + /* set MTU */ + if (old_mtu != new_mtu && netif_running(netdev)) { + while (test_and_set_bit(__AT_RESETTING, &adapter->flags)) + msleep(1); + netdev->mtu = new_mtu; + adapter->hw.max_frame_size = new_mtu; + adapter->hw.rx_jumbo_th = (max_frame + 7) >> 3; + atl1e_down(adapter); + atl1e_up(adapter); + clear_bit(__AT_RESETTING, &adapter->flags); + } + return 0; +} + +/* + * caller should hold mdio_lock + */ +static int atl1e_mdio_read(struct net_device *netdev, int phy_id, int reg_num) +{ + struct atl1e_adapter *adapter = netdev_priv(netdev); + u16 result; + + atl1e_read_phy_reg(&adapter->hw, reg_num & MDIO_REG_ADDR_MASK, &result); + return result; +} + +static void atl1e_mdio_write(struct net_device *netdev, int phy_id, + int reg_num, int val) +{ + struct atl1e_adapter *adapter = netdev_priv(netdev); + + atl1e_write_phy_reg(&adapter->hw, reg_num & MDIO_REG_ADDR_MASK, val); +} + +/* + * atl1e_mii_ioctl - + * @netdev: + * @ifreq: + * @cmd: + */ +static int atl1e_mii_ioctl(struct net_device *netdev, + struct ifreq *ifr, int cmd) +{ + struct atl1e_adapter *adapter = netdev_priv(netdev); + struct mii_ioctl_data *data = if_mii(ifr); + unsigned long flags; + int retval = 0; + + if (!netif_running(netdev)) + return -EINVAL; + + spin_lock_irqsave(&adapter->mdio_lock, flags); + switch (cmd) { + case SIOCGMIIPHY: + data->phy_id = 0; + break; + + case SIOCGMIIREG: + if (atl1e_read_phy_reg(&adapter->hw, data->reg_num & 0x1F, + &data->val_out)) { + retval = -EIO; + goto out; + } + break; + + case SIOCSMIIREG: + if (data->reg_num & ~(0x1F)) { + retval = -EFAULT; + goto out; + } + + netdev_dbg(adapter->netdev, " write %x %x\n", + data->reg_num, data->val_in); + if (atl1e_write_phy_reg(&adapter->hw, + data->reg_num, data->val_in)) { + retval = -EIO; + goto out; + } + break; + + default: + retval = -EOPNOTSUPP; + break; + } +out: + spin_unlock_irqrestore(&adapter->mdio_lock, flags); + return retval; + +} + +/* + * atl1e_ioctl - + * @netdev: + * @ifreq: + * @cmd: + */ +static int atl1e_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) +{ + switch (cmd) { + case SIOCGMIIPHY: + case SIOCGMIIREG: + case SIOCSMIIREG: + return atl1e_mii_ioctl(netdev, ifr, cmd); + default: + return -EOPNOTSUPP; + } +} + +static void atl1e_setup_pcicmd(struct pci_dev *pdev) +{ + u16 cmd; + + pci_read_config_word(pdev, PCI_COMMAND, &cmd); + cmd &= ~(PCI_COMMAND_INTX_DISABLE | PCI_COMMAND_IO); + cmd |= (PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER); + pci_write_config_word(pdev, PCI_COMMAND, cmd); + + /* + * some motherboards BIOS(PXE/EFI) driver may set PME + * while they transfer control to OS (Windows/Linux) + * so we should clear this bit before NIC work normally + */ + pci_write_config_dword(pdev, REG_PM_CTRLSTAT, 0); + msleep(1); +} + +/* + * atl1e_alloc_queues - Allocate memory for all rings + * @adapter: board private structure to initialize + * + */ +static int __devinit atl1e_alloc_queues(struct atl1e_adapter *adapter) +{ + return 0; +} + +/* + * atl1e_sw_init - Initialize general software structures (struct atl1e_adapter) + * @adapter: board private structure to initialize + * + * atl1e_sw_init initializes the Adapter private data structure. + * Fields are initialized based on PCI device information and + * OS network device settings (MTU size). + */ +static int __devinit atl1e_sw_init(struct atl1e_adapter *adapter) +{ + struct atl1e_hw *hw = &adapter->hw; + struct pci_dev *pdev = adapter->pdev; + u32 phy_status_data = 0; + + adapter->wol = 0; + adapter->link_speed = SPEED_0; /* hardware init */ + adapter->link_duplex = FULL_DUPLEX; + adapter->num_rx_queues = 1; + + /* PCI config space info */ + hw->vendor_id = pdev->vendor; + hw->device_id = pdev->device; + hw->subsystem_vendor_id = pdev->subsystem_vendor; + hw->subsystem_id = pdev->subsystem_device; + hw->revision_id = pdev->revision; + + pci_read_config_word(pdev, PCI_COMMAND, &hw->pci_cmd_word); + + phy_status_data = AT_READ_REG(hw, REG_PHY_STATUS); + /* nic type */ + if (hw->revision_id >= 0xF0) { + hw->nic_type = athr_l2e_revB; + } else { + if (phy_status_data & PHY_STATUS_100M) + hw->nic_type = athr_l1e; + else + hw->nic_type = athr_l2e_revA; + } + + phy_status_data = AT_READ_REG(hw, REG_PHY_STATUS); + + if (phy_status_data & PHY_STATUS_EMI_CA) + hw->emi_ca = true; + else + hw->emi_ca = false; + + hw->phy_configured = false; + hw->preamble_len = 7; + hw->max_frame_size = adapter->netdev->mtu; + hw->rx_jumbo_th = (hw->max_frame_size + ETH_HLEN + + VLAN_HLEN + ETH_FCS_LEN + 7) >> 3; + + hw->rrs_type = atl1e_rrs_disable; + hw->indirect_tab = 0; + hw->base_cpu = 0; + + /* need confirm */ + + hw->ict = 50000; /* 100ms */ + hw->smb_timer = 200000; /* 200ms */ + hw->tpd_burst = 5; + hw->rrd_thresh = 1; + hw->tpd_thresh = adapter->tx_ring.count / 2; + hw->rx_count_down = 4; /* 2us resolution */ + hw->tx_count_down = hw->imt * 4 / 3; + hw->dmar_block = atl1e_dma_req_1024; + hw->dmaw_block = atl1e_dma_req_1024; + hw->dmar_dly_cnt = 15; + hw->dmaw_dly_cnt = 4; + + if (atl1e_alloc_queues(adapter)) { + netdev_err(adapter->netdev, "Unable to allocate memory for queues\n"); + return -ENOMEM; + } + + atomic_set(&adapter->irq_sem, 1); + spin_lock_init(&adapter->mdio_lock); + spin_lock_init(&adapter->tx_lock); + + set_bit(__AT_DOWN, &adapter->flags); + + return 0; +} + +/* + * atl1e_clean_tx_ring - Free Tx-skb + * @adapter: board private structure + */ +static void atl1e_clean_tx_ring(struct atl1e_adapter *adapter) +{ + struct atl1e_tx_ring *tx_ring = (struct atl1e_tx_ring *) + &adapter->tx_ring; + struct atl1e_tx_buffer *tx_buffer = NULL; + struct pci_dev *pdev = adapter->pdev; + u16 index, ring_count; + + if (tx_ring->desc == NULL || tx_ring->tx_buffer == NULL) + return; + + ring_count = tx_ring->count; + /* first unmmap dma */ + for (index = 0; index < ring_count; index++) { + tx_buffer = &tx_ring->tx_buffer[index]; + if (tx_buffer->dma) { + if (tx_buffer->flags & ATL1E_TX_PCIMAP_SINGLE) + pci_unmap_single(pdev, tx_buffer->dma, + tx_buffer->length, PCI_DMA_TODEVICE); + else if (tx_buffer->flags & ATL1E_TX_PCIMAP_PAGE) + pci_unmap_page(pdev, tx_buffer->dma, + tx_buffer->length, PCI_DMA_TODEVICE); + tx_buffer->dma = 0; + } + } + /* second free skb */ + for (index = 0; index < ring_count; index++) { + tx_buffer = &tx_ring->tx_buffer[index]; + if (tx_buffer->skb) { + dev_kfree_skb_any(tx_buffer->skb); + tx_buffer->skb = NULL; + } + } + /* Zero out Tx-buffers */ + memset(tx_ring->desc, 0, sizeof(struct atl1e_tpd_desc) * + ring_count); + memset(tx_ring->tx_buffer, 0, sizeof(struct atl1e_tx_buffer) * + ring_count); +} + +/* + * atl1e_clean_rx_ring - Free rx-reservation skbs + * @adapter: board private structure + */ +static void atl1e_clean_rx_ring(struct atl1e_adapter *adapter) +{ + struct atl1e_rx_ring *rx_ring = + (struct atl1e_rx_ring *)&adapter->rx_ring; + struct atl1e_rx_page_desc *rx_page_desc = rx_ring->rx_page_desc; + u16 i, j; + + + if (adapter->ring_vir_addr == NULL) + return; + /* Zero out the descriptor ring */ + for (i = 0; i < adapter->num_rx_queues; i++) { + for (j = 0; j < AT_PAGE_NUM_PER_QUEUE; j++) { + if (rx_page_desc[i].rx_page[j].addr != NULL) { + memset(rx_page_desc[i].rx_page[j].addr, 0, + rx_ring->real_page_size); + } + } + } +} + +static void atl1e_cal_ring_size(struct atl1e_adapter *adapter, u32 *ring_size) +{ + *ring_size = ((u32)(adapter->tx_ring.count * + sizeof(struct atl1e_tpd_desc) + 7 + /* tx ring, qword align */ + + adapter->rx_ring.real_page_size * AT_PAGE_NUM_PER_QUEUE * + adapter->num_rx_queues + 31 + /* rx ring, 32 bytes align */ + + (1 + AT_PAGE_NUM_PER_QUEUE * adapter->num_rx_queues) * + sizeof(u32) + 3)); + /* tx, rx cmd, dword align */ +} + +static void atl1e_init_ring_resources(struct atl1e_adapter *adapter) +{ + struct atl1e_rx_ring *rx_ring = NULL; + + rx_ring = &adapter->rx_ring; + + rx_ring->real_page_size = adapter->rx_ring.page_size + + adapter->hw.max_frame_size + + ETH_HLEN + VLAN_HLEN + + ETH_FCS_LEN; + rx_ring->real_page_size = roundup(rx_ring->real_page_size, 32); + atl1e_cal_ring_size(adapter, &adapter->ring_size); + + adapter->ring_vir_addr = NULL; + adapter->rx_ring.desc = NULL; + rwlock_init(&adapter->tx_ring.tx_lock); +} + +/* + * Read / Write Ptr Initialize: + */ +static void atl1e_init_ring_ptrs(struct atl1e_adapter *adapter) +{ + struct atl1e_tx_ring *tx_ring = NULL; + struct atl1e_rx_ring *rx_ring = NULL; + struct atl1e_rx_page_desc *rx_page_desc = NULL; + int i, j; + + tx_ring = &adapter->tx_ring; + rx_ring = &adapter->rx_ring; + rx_page_desc = rx_ring->rx_page_desc; + + tx_ring->next_to_use = 0; + atomic_set(&tx_ring->next_to_clean, 0); + + for (i = 0; i < adapter->num_rx_queues; i++) { + rx_page_desc[i].rx_using = 0; + rx_page_desc[i].rx_nxseq = 0; + for (j = 0; j < AT_PAGE_NUM_PER_QUEUE; j++) { + *rx_page_desc[i].rx_page[j].write_offset_addr = 0; + rx_page_desc[i].rx_page[j].read_offset = 0; + } + } +} + +/* + * atl1e_free_ring_resources - Free Tx / RX descriptor Resources + * @adapter: board private structure + * + * Free all transmit software resources + */ +static void atl1e_free_ring_resources(struct atl1e_adapter *adapter) +{ + struct pci_dev *pdev = adapter->pdev; + + atl1e_clean_tx_ring(adapter); + atl1e_clean_rx_ring(adapter); + + if (adapter->ring_vir_addr) { + pci_free_consistent(pdev, adapter->ring_size, + adapter->ring_vir_addr, adapter->ring_dma); + adapter->ring_vir_addr = NULL; + } + + if (adapter->tx_ring.tx_buffer) { + kfree(adapter->tx_ring.tx_buffer); + adapter->tx_ring.tx_buffer = NULL; + } +} + +/* + * atl1e_setup_mem_resources - allocate Tx / RX descriptor resources + * @adapter: board private structure + * + * Return 0 on success, negative on failure + */ +static int atl1e_setup_ring_resources(struct atl1e_adapter *adapter) +{ + struct pci_dev *pdev = adapter->pdev; + struct atl1e_tx_ring *tx_ring; + struct atl1e_rx_ring *rx_ring; + struct atl1e_rx_page_desc *rx_page_desc; + int size, i, j; + u32 offset = 0; + int err = 0; + + if (adapter->ring_vir_addr != NULL) + return 0; /* alloced already */ + + tx_ring = &adapter->tx_ring; + rx_ring = &adapter->rx_ring; + + /* real ring DMA buffer */ + + size = adapter->ring_size; + adapter->ring_vir_addr = pci_alloc_consistent(pdev, + adapter->ring_size, &adapter->ring_dma); + + if (adapter->ring_vir_addr == NULL) { + netdev_err(adapter->netdev, + "pci_alloc_consistent failed, size = D%d\n", size); + return -ENOMEM; + } + + memset(adapter->ring_vir_addr, 0, adapter->ring_size); + + rx_page_desc = rx_ring->rx_page_desc; + + /* Init TPD Ring */ + tx_ring->dma = roundup(adapter->ring_dma, 8); + offset = tx_ring->dma - adapter->ring_dma; + tx_ring->desc = adapter->ring_vir_addr + offset; + size = sizeof(struct atl1e_tx_buffer) * (tx_ring->count); + tx_ring->tx_buffer = kzalloc(size, GFP_KERNEL); + if (tx_ring->tx_buffer == NULL) { + netdev_err(adapter->netdev, "kzalloc failed, size = D%d\n", + size); + err = -ENOMEM; + goto failed; + } + + /* Init RXF-Pages */ + offset += (sizeof(struct atl1e_tpd_desc) * tx_ring->count); + offset = roundup(offset, 32); + + for (i = 0; i < adapter->num_rx_queues; i++) { + for (j = 0; j < AT_PAGE_NUM_PER_QUEUE; j++) { + rx_page_desc[i].rx_page[j].dma = + adapter->ring_dma + offset; + rx_page_desc[i].rx_page[j].addr = + adapter->ring_vir_addr + offset; + offset += rx_ring->real_page_size; + } + } + + /* Init CMB dma address */ + tx_ring->cmb_dma = adapter->ring_dma + offset; + tx_ring->cmb = adapter->ring_vir_addr + offset; + offset += sizeof(u32); + + for (i = 0; i < adapter->num_rx_queues; i++) { + for (j = 0; j < AT_PAGE_NUM_PER_QUEUE; j++) { + rx_page_desc[i].rx_page[j].write_offset_dma = + adapter->ring_dma + offset; + rx_page_desc[i].rx_page[j].write_offset_addr = + adapter->ring_vir_addr + offset; + offset += sizeof(u32); + } + } + + if (unlikely(offset > adapter->ring_size)) { + netdev_err(adapter->netdev, "offset(%d) > ring size(%d) !!\n", + offset, adapter->ring_size); + err = -1; + goto failed; + } + + return 0; +failed: + if (adapter->ring_vir_addr != NULL) { + pci_free_consistent(pdev, adapter->ring_size, + adapter->ring_vir_addr, adapter->ring_dma); + adapter->ring_vir_addr = NULL; + } + return err; +} + +static inline void atl1e_configure_des_ring(const struct atl1e_adapter *adapter) +{ + + struct atl1e_hw *hw = (struct atl1e_hw *)&adapter->hw; + struct atl1e_rx_ring *rx_ring = + (struct atl1e_rx_ring *)&adapter->rx_ring; + struct atl1e_tx_ring *tx_ring = + (struct atl1e_tx_ring *)&adapter->tx_ring; + struct atl1e_rx_page_desc *rx_page_desc = NULL; + int i, j; + + AT_WRITE_REG(hw, REG_DESC_BASE_ADDR_HI, + (u32)((adapter->ring_dma & AT_DMA_HI_ADDR_MASK) >> 32)); + AT_WRITE_REG(hw, REG_TPD_BASE_ADDR_LO, + (u32)((tx_ring->dma) & AT_DMA_LO_ADDR_MASK)); + AT_WRITE_REG(hw, REG_TPD_RING_SIZE, (u16)(tx_ring->count)); + AT_WRITE_REG(hw, REG_HOST_TX_CMB_LO, + (u32)((tx_ring->cmb_dma) & AT_DMA_LO_ADDR_MASK)); + + rx_page_desc = rx_ring->rx_page_desc; + /* RXF Page Physical address / Page Length */ + for (i = 0; i < AT_MAX_RECEIVE_QUEUE; i++) { + AT_WRITE_REG(hw, atl1e_rx_page_hi_addr_regs[i], + (u32)((adapter->ring_dma & + AT_DMA_HI_ADDR_MASK) >> 32)); + for (j = 0; j < AT_PAGE_NUM_PER_QUEUE; j++) { + u32 page_phy_addr; + u32 offset_phy_addr; + + page_phy_addr = rx_page_desc[i].rx_page[j].dma; + offset_phy_addr = + rx_page_desc[i].rx_page[j].write_offset_dma; + + AT_WRITE_REG(hw, atl1e_rx_page_lo_addr_regs[i][j], + page_phy_addr & AT_DMA_LO_ADDR_MASK); + AT_WRITE_REG(hw, atl1e_rx_page_write_offset_regs[i][j], + offset_phy_addr & AT_DMA_LO_ADDR_MASK); + AT_WRITE_REGB(hw, atl1e_rx_page_vld_regs[i][j], 1); + } + } + /* Page Length */ + AT_WRITE_REG(hw, REG_HOST_RXFPAGE_SIZE, rx_ring->page_size); + /* Load all of base address above */ + AT_WRITE_REG(hw, REG_LOAD_PTR, 1); +} + +static inline void atl1e_configure_tx(struct atl1e_adapter *adapter) +{ + struct atl1e_hw *hw = (struct atl1e_hw *)&adapter->hw; + u32 dev_ctrl_data = 0; + u32 max_pay_load = 0; + u32 jumbo_thresh = 0; + u32 extra_size = 0; /* Jumbo frame threshold in QWORD unit */ + + /* configure TXQ param */ + if (hw->nic_type != athr_l2e_revB) { + extra_size = ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN; + if (hw->max_frame_size <= 1500) { + jumbo_thresh = hw->max_frame_size + extra_size; + } else if (hw->max_frame_size < 6*1024) { + jumbo_thresh = + (hw->max_frame_size + extra_size) * 2 / 3; + } else { + jumbo_thresh = (hw->max_frame_size + extra_size) / 2; + } + AT_WRITE_REG(hw, REG_TX_EARLY_TH, (jumbo_thresh + 7) >> 3); + } + + dev_ctrl_data = AT_READ_REG(hw, REG_DEVICE_CTRL); + + max_pay_load = ((dev_ctrl_data >> DEVICE_CTRL_MAX_PAYLOAD_SHIFT)) & + DEVICE_CTRL_MAX_PAYLOAD_MASK; + + hw->dmaw_block = min_t(u32, max_pay_load, hw->dmaw_block); + + max_pay_load = ((dev_ctrl_data >> DEVICE_CTRL_MAX_RREQ_SZ_SHIFT)) & + DEVICE_CTRL_MAX_RREQ_SZ_MASK; + hw->dmar_block = min_t(u32, max_pay_load, hw->dmar_block); + + if (hw->nic_type != athr_l2e_revB) + AT_WRITE_REGW(hw, REG_TXQ_CTRL + 2, + atl1e_pay_load_size[hw->dmar_block]); + /* enable TXQ */ + AT_WRITE_REGW(hw, REG_TXQ_CTRL, + (((u16)hw->tpd_burst & TXQ_CTRL_NUM_TPD_BURST_MASK) + << TXQ_CTRL_NUM_TPD_BURST_SHIFT) + | TXQ_CTRL_ENH_MODE | TXQ_CTRL_EN); +} + +static inline void atl1e_configure_rx(struct atl1e_adapter *adapter) +{ + struct atl1e_hw *hw = (struct atl1e_hw *)&adapter->hw; + u32 rxf_len = 0; + u32 rxf_low = 0; + u32 rxf_high = 0; + u32 rxf_thresh_data = 0; + u32 rxq_ctrl_data = 0; + + if (hw->nic_type != athr_l2e_revB) { + AT_WRITE_REGW(hw, REG_RXQ_JMBOSZ_RRDTIM, + (u16)((hw->rx_jumbo_th & RXQ_JMBOSZ_TH_MASK) << + RXQ_JMBOSZ_TH_SHIFT | + (1 & RXQ_JMBO_LKAH_MASK) << + RXQ_JMBO_LKAH_SHIFT)); + + rxf_len = AT_READ_REG(hw, REG_SRAM_RXF_LEN); + rxf_high = rxf_len * 4 / 5; + rxf_low = rxf_len / 5; + rxf_thresh_data = ((rxf_high & RXQ_RXF_PAUSE_TH_HI_MASK) + << RXQ_RXF_PAUSE_TH_HI_SHIFT) | + ((rxf_low & RXQ_RXF_PAUSE_TH_LO_MASK) + << RXQ_RXF_PAUSE_TH_LO_SHIFT); + + AT_WRITE_REG(hw, REG_RXQ_RXF_PAUSE_THRESH, rxf_thresh_data); + } + + /* RRS */ + AT_WRITE_REG(hw, REG_IDT_TABLE, hw->indirect_tab); + AT_WRITE_REG(hw, REG_BASE_CPU_NUMBER, hw->base_cpu); + + if (hw->rrs_type & atl1e_rrs_ipv4) + rxq_ctrl_data |= RXQ_CTRL_HASH_TYPE_IPV4; + + if (hw->rrs_type & atl1e_rrs_ipv4_tcp) + rxq_ctrl_data |= RXQ_CTRL_HASH_TYPE_IPV4_TCP; + + if (hw->rrs_type & atl1e_rrs_ipv6) + rxq_ctrl_data |= RXQ_CTRL_HASH_TYPE_IPV6; + + if (hw->rrs_type & atl1e_rrs_ipv6_tcp) + rxq_ctrl_data |= RXQ_CTRL_HASH_TYPE_IPV6_TCP; + + if (hw->rrs_type != atl1e_rrs_disable) + rxq_ctrl_data |= + (RXQ_CTRL_HASH_ENABLE | RXQ_CTRL_RSS_MODE_MQUESINT); + + rxq_ctrl_data |= RXQ_CTRL_IPV6_XSUM_VERIFY_EN | RXQ_CTRL_PBA_ALIGN_32 | + RXQ_CTRL_CUT_THRU_EN | RXQ_CTRL_EN; + + AT_WRITE_REG(hw, REG_RXQ_CTRL, rxq_ctrl_data); +} + +static inline void atl1e_configure_dma(struct atl1e_adapter *adapter) +{ + struct atl1e_hw *hw = &adapter->hw; + u32 dma_ctrl_data = 0; + + dma_ctrl_data = DMA_CTRL_RXCMB_EN; + dma_ctrl_data |= (((u32)hw->dmar_block) & DMA_CTRL_DMAR_BURST_LEN_MASK) + << DMA_CTRL_DMAR_BURST_LEN_SHIFT; + dma_ctrl_data |= (((u32)hw->dmaw_block) & DMA_CTRL_DMAW_BURST_LEN_MASK) + << DMA_CTRL_DMAW_BURST_LEN_SHIFT; + dma_ctrl_data |= DMA_CTRL_DMAR_REQ_PRI | DMA_CTRL_DMAR_OUT_ORDER; + dma_ctrl_data |= (((u32)hw->dmar_dly_cnt) & DMA_CTRL_DMAR_DLY_CNT_MASK) + << DMA_CTRL_DMAR_DLY_CNT_SHIFT; + dma_ctrl_data |= (((u32)hw->dmaw_dly_cnt) & DMA_CTRL_DMAW_DLY_CNT_MASK) + << DMA_CTRL_DMAW_DLY_CNT_SHIFT; + + AT_WRITE_REG(hw, REG_DMA_CTRL, dma_ctrl_data); +} + +static void atl1e_setup_mac_ctrl(struct atl1e_adapter *adapter) +{ + u32 value; + struct atl1e_hw *hw = &adapter->hw; + struct net_device *netdev = adapter->netdev; + + /* Config MAC CTRL Register */ + value = MAC_CTRL_TX_EN | + MAC_CTRL_RX_EN ; + + if (FULL_DUPLEX == adapter->link_duplex) + value |= MAC_CTRL_DUPLX; + + value |= ((u32)((SPEED_1000 == adapter->link_speed) ? + MAC_CTRL_SPEED_1000 : MAC_CTRL_SPEED_10_100) << + MAC_CTRL_SPEED_SHIFT); + value |= (MAC_CTRL_TX_FLOW | MAC_CTRL_RX_FLOW); + + value |= (MAC_CTRL_ADD_CRC | MAC_CTRL_PAD); + value |= (((u32)adapter->hw.preamble_len & + MAC_CTRL_PRMLEN_MASK) << MAC_CTRL_PRMLEN_SHIFT); + + __atl1e_vlan_mode(netdev->features, &value); + + value |= MAC_CTRL_BC_EN; + if (netdev->flags & IFF_PROMISC) + value |= MAC_CTRL_PROMIS_EN; + if (netdev->flags & IFF_ALLMULTI) + value |= MAC_CTRL_MC_ALL_EN; + + AT_WRITE_REG(hw, REG_MAC_CTRL, value); +} + +/* + * atl1e_configure - Configure Transmit&Receive Unit after Reset + * @adapter: board private structure + * + * Configure the Tx /Rx unit of the MAC after a reset. + */ +static int atl1e_configure(struct atl1e_adapter *adapter) +{ + struct atl1e_hw *hw = &adapter->hw; + + u32 intr_status_data = 0; + + /* clear interrupt status */ + AT_WRITE_REG(hw, REG_ISR, ~0); + + /* 1. set MAC Address */ + atl1e_hw_set_mac_addr(hw); + + /* 2. Init the Multicast HASH table done by set_muti */ + + /* 3. Clear any WOL status */ + AT_WRITE_REG(hw, REG_WOL_CTRL, 0); + + /* 4. Descripter Ring BaseMem/Length/Read ptr/Write ptr + * TPD Ring/SMB/RXF0 Page CMBs, they use the same + * High 32bits memory */ + atl1e_configure_des_ring(adapter); + + /* 5. set Interrupt Moderator Timer */ + AT_WRITE_REGW(hw, REG_IRQ_MODU_TIMER_INIT, hw->imt); + AT_WRITE_REGW(hw, REG_IRQ_MODU_TIMER2_INIT, hw->imt); + AT_WRITE_REG(hw, REG_MASTER_CTRL, MASTER_CTRL_LED_MODE | + MASTER_CTRL_ITIMER_EN | MASTER_CTRL_ITIMER2_EN); + + /* 6. rx/tx threshold to trig interrupt */ + AT_WRITE_REGW(hw, REG_TRIG_RRD_THRESH, hw->rrd_thresh); + AT_WRITE_REGW(hw, REG_TRIG_TPD_THRESH, hw->tpd_thresh); + AT_WRITE_REGW(hw, REG_TRIG_RXTIMER, hw->rx_count_down); + AT_WRITE_REGW(hw, REG_TRIG_TXTIMER, hw->tx_count_down); + + /* 7. set Interrupt Clear Timer */ + AT_WRITE_REGW(hw, REG_CMBDISDMA_TIMER, hw->ict); + + /* 8. set MTU */ + AT_WRITE_REG(hw, REG_MTU, hw->max_frame_size + ETH_HLEN + + VLAN_HLEN + ETH_FCS_LEN); + + /* 9. config TXQ early tx threshold */ + atl1e_configure_tx(adapter); + + /* 10. config RXQ */ + atl1e_configure_rx(adapter); + + /* 11. config DMA Engine */ + atl1e_configure_dma(adapter); + + /* 12. smb timer to trig interrupt */ + AT_WRITE_REG(hw, REG_SMB_STAT_TIMER, hw->smb_timer); + + intr_status_data = AT_READ_REG(hw, REG_ISR); + if (unlikely((intr_status_data & ISR_PHY_LINKDOWN) != 0)) { + netdev_err(adapter->netdev, + "atl1e_configure failed, PCIE phy link down\n"); + return -1; + } + + AT_WRITE_REG(hw, REG_ISR, 0x7fffffff); + return 0; +} + +/* + * atl1e_get_stats - Get System Network Statistics + * @netdev: network interface device structure + * + * Returns the address of the device statistics structure. + * The statistics are actually updated from the timer callback. + */ +static struct net_device_stats *atl1e_get_stats(struct net_device *netdev) +{ + struct atl1e_adapter *adapter = netdev_priv(netdev); + struct atl1e_hw_stats *hw_stats = &adapter->hw_stats; + struct net_device_stats *net_stats = &netdev->stats; + + net_stats->rx_packets = hw_stats->rx_ok; + net_stats->tx_packets = hw_stats->tx_ok; + net_stats->rx_bytes = hw_stats->rx_byte_cnt; + net_stats->tx_bytes = hw_stats->tx_byte_cnt; + net_stats->multicast = hw_stats->rx_mcast; + net_stats->collisions = hw_stats->tx_1_col + + hw_stats->tx_2_col * 2 + + hw_stats->tx_late_col + hw_stats->tx_abort_col; + + net_stats->rx_errors = hw_stats->rx_frag + hw_stats->rx_fcs_err + + hw_stats->rx_len_err + hw_stats->rx_sz_ov + + hw_stats->rx_rrd_ov + hw_stats->rx_align_err; + net_stats->rx_fifo_errors = hw_stats->rx_rxf_ov; + net_stats->rx_length_errors = hw_stats->rx_len_err; + net_stats->rx_crc_errors = hw_stats->rx_fcs_err; + net_stats->rx_frame_errors = hw_stats->rx_align_err; + net_stats->rx_over_errors = hw_stats->rx_rrd_ov + hw_stats->rx_rxf_ov; + + net_stats->rx_missed_errors = hw_stats->rx_rrd_ov + hw_stats->rx_rxf_ov; + + net_stats->tx_errors = hw_stats->tx_late_col + hw_stats->tx_abort_col + + hw_stats->tx_underrun + hw_stats->tx_trunc; + net_stats->tx_fifo_errors = hw_stats->tx_underrun; + net_stats->tx_aborted_errors = hw_stats->tx_abort_col; + net_stats->tx_window_errors = hw_stats->tx_late_col; + + return net_stats; +} + +static void atl1e_update_hw_stats(struct atl1e_adapter *adapter) +{ + u16 hw_reg_addr = 0; + unsigned long *stats_item = NULL; + + /* update rx status */ + hw_reg_addr = REG_MAC_RX_STATUS_BIN; + stats_item = &adapter->hw_stats.rx_ok; + while (hw_reg_addr <= REG_MAC_RX_STATUS_END) { + *stats_item += AT_READ_REG(&adapter->hw, hw_reg_addr); + stats_item++; + hw_reg_addr += 4; + } + /* update tx status */ + hw_reg_addr = REG_MAC_TX_STATUS_BIN; + stats_item = &adapter->hw_stats.tx_ok; + while (hw_reg_addr <= REG_MAC_TX_STATUS_END) { + *stats_item += AT_READ_REG(&adapter->hw, hw_reg_addr); + stats_item++; + hw_reg_addr += 4; + } +} + +static inline void atl1e_clear_phy_int(struct atl1e_adapter *adapter) +{ + u16 phy_data; + + spin_lock(&adapter->mdio_lock); + atl1e_read_phy_reg(&adapter->hw, MII_INT_STATUS, &phy_data); + spin_unlock(&adapter->mdio_lock); +} + +static bool atl1e_clean_tx_irq(struct atl1e_adapter *adapter) +{ + struct atl1e_tx_ring *tx_ring = (struct atl1e_tx_ring *) + &adapter->tx_ring; + struct atl1e_tx_buffer *tx_buffer = NULL; + u16 hw_next_to_clean = AT_READ_REGW(&adapter->hw, REG_TPD_CONS_IDX); + u16 next_to_clean = atomic_read(&tx_ring->next_to_clean); + + while (next_to_clean != hw_next_to_clean) { + tx_buffer = &tx_ring->tx_buffer[next_to_clean]; + if (tx_buffer->dma) { + if (tx_buffer->flags & ATL1E_TX_PCIMAP_SINGLE) + pci_unmap_single(adapter->pdev, tx_buffer->dma, + tx_buffer->length, PCI_DMA_TODEVICE); + else if (tx_buffer->flags & ATL1E_TX_PCIMAP_PAGE) + pci_unmap_page(adapter->pdev, tx_buffer->dma, + tx_buffer->length, PCI_DMA_TODEVICE); + tx_buffer->dma = 0; + } + + if (tx_buffer->skb) { + dev_kfree_skb_irq(tx_buffer->skb); + tx_buffer->skb = NULL; + } + + if (++next_to_clean == tx_ring->count) + next_to_clean = 0; + } + + atomic_set(&tx_ring->next_to_clean, next_to_clean); + + if (netif_queue_stopped(adapter->netdev) && + netif_carrier_ok(adapter->netdev)) { + netif_wake_queue(adapter->netdev); + } + + return true; +} + +/* + * atl1e_intr - Interrupt Handler + * @irq: interrupt number + * @data: pointer to a network interface device structure + * @pt_regs: CPU registers structure + */ +static irqreturn_t atl1e_intr(int irq, void *data) +{ + struct net_device *netdev = data; + struct atl1e_adapter *adapter = netdev_priv(netdev); + struct atl1e_hw *hw = &adapter->hw; + int max_ints = AT_MAX_INT_WORK; + int handled = IRQ_NONE; + u32 status; + + do { + status = AT_READ_REG(hw, REG_ISR); + if ((status & IMR_NORMAL_MASK) == 0 || + (status & ISR_DIS_INT) != 0) { + if (max_ints != AT_MAX_INT_WORK) + handled = IRQ_HANDLED; + break; + } + /* link event */ + if (status & ISR_GPHY) + atl1e_clear_phy_int(adapter); + /* Ack ISR */ + AT_WRITE_REG(hw, REG_ISR, status | ISR_DIS_INT); + + handled = IRQ_HANDLED; + /* check if PCIE PHY Link down */ + if (status & ISR_PHY_LINKDOWN) { + netdev_err(adapter->netdev, + "pcie phy linkdown %x\n", status); + if (netif_running(adapter->netdev)) { + /* reset MAC */ + atl1e_irq_reset(adapter); + schedule_work(&adapter->reset_task); + break; + } + } + + /* check if DMA read/write error */ + if (status & (ISR_DMAR_TO_RST | ISR_DMAW_TO_RST)) { + netdev_err(adapter->netdev, + "PCIE DMA RW error (status = 0x%x)\n", + status); + atl1e_irq_reset(adapter); + schedule_work(&adapter->reset_task); + break; + } + + if (status & ISR_SMB) + atl1e_update_hw_stats(adapter); + + /* link event */ + if (status & (ISR_GPHY | ISR_MANUAL)) { + netdev->stats.tx_carrier_errors++; + atl1e_link_chg_event(adapter); + break; + } + + /* transmit event */ + if (status & ISR_TX_EVENT) + atl1e_clean_tx_irq(adapter); + + if (status & ISR_RX_EVENT) { + /* + * disable rx interrupts, without + * the synchronize_irq bit + */ + AT_WRITE_REG(hw, REG_IMR, + IMR_NORMAL_MASK & ~ISR_RX_EVENT); + AT_WRITE_FLUSH(hw); + if (likely(napi_schedule_prep( + &adapter->napi))) + __napi_schedule(&adapter->napi); + } + } while (--max_ints > 0); + /* re-enable Interrupt*/ + AT_WRITE_REG(&adapter->hw, REG_ISR, 0); + + return handled; +} + +static inline void atl1e_rx_checksum(struct atl1e_adapter *adapter, + struct sk_buff *skb, struct atl1e_recv_ret_status *prrs) +{ + u8 *packet = (u8 *)(prrs + 1); + struct iphdr *iph; + u16 head_len = ETH_HLEN; + u16 pkt_flags; + u16 err_flags; + + skb_checksum_none_assert(skb); + pkt_flags = prrs->pkt_flag; + err_flags = prrs->err_flag; + if (((pkt_flags & RRS_IS_IPV4) || (pkt_flags & RRS_IS_IPV6)) && + ((pkt_flags & RRS_IS_TCP) || (pkt_flags & RRS_IS_UDP))) { + if (pkt_flags & RRS_IS_IPV4) { + if (pkt_flags & RRS_IS_802_3) + head_len += 8; + iph = (struct iphdr *) (packet + head_len); + if (iph->frag_off != 0 && !(pkt_flags & RRS_IS_IP_DF)) + goto hw_xsum; + } + if (!(err_flags & (RRS_ERR_IP_CSUM | RRS_ERR_L4_CSUM))) { + skb->ip_summed = CHECKSUM_UNNECESSARY; + return; + } + } + +hw_xsum : + return; +} + +static struct atl1e_rx_page *atl1e_get_rx_page(struct atl1e_adapter *adapter, + u8 que) +{ + struct atl1e_rx_page_desc *rx_page_desc = + (struct atl1e_rx_page_desc *) adapter->rx_ring.rx_page_desc; + u8 rx_using = rx_page_desc[que].rx_using; + + return (struct atl1e_rx_page *)&(rx_page_desc[que].rx_page[rx_using]); +} + +static void atl1e_clean_rx_irq(struct atl1e_adapter *adapter, u8 que, + int *work_done, int work_to_do) +{ + struct net_device *netdev = adapter->netdev; + struct atl1e_rx_ring *rx_ring = (struct atl1e_rx_ring *) + &adapter->rx_ring; + struct atl1e_rx_page_desc *rx_page_desc = + (struct atl1e_rx_page_desc *) rx_ring->rx_page_desc; + struct sk_buff *skb = NULL; + struct atl1e_rx_page *rx_page = atl1e_get_rx_page(adapter, que); + u32 packet_size, write_offset; + struct atl1e_recv_ret_status *prrs; + + write_offset = *(rx_page->write_offset_addr); + if (likely(rx_page->read_offset < write_offset)) { + do { + if (*work_done >= work_to_do) + break; + (*work_done)++; + /* get new packet's rrs */ + prrs = (struct atl1e_recv_ret_status *) (rx_page->addr + + rx_page->read_offset); + /* check sequence number */ + if (prrs->seq_num != rx_page_desc[que].rx_nxseq) { + netdev_err(netdev, + "rx sequence number error (rx=%d) (expect=%d)\n", + prrs->seq_num, + rx_page_desc[que].rx_nxseq); + rx_page_desc[que].rx_nxseq++; + /* just for debug use */ + AT_WRITE_REG(&adapter->hw, REG_DEBUG_DATA0, + (((u32)prrs->seq_num) << 16) | + rx_page_desc[que].rx_nxseq); + goto fatal_err; + } + rx_page_desc[que].rx_nxseq++; + + /* error packet */ + if (prrs->pkt_flag & RRS_IS_ERR_FRAME) { + if (prrs->err_flag & (RRS_ERR_BAD_CRC | + RRS_ERR_DRIBBLE | RRS_ERR_CODE | + RRS_ERR_TRUNC)) { + /* hardware error, discard this packet*/ + netdev_err(netdev, + "rx packet desc error %x\n", + *((u32 *)prrs + 1)); + goto skip_pkt; + } + } + + packet_size = ((prrs->word1 >> RRS_PKT_SIZE_SHIFT) & + RRS_PKT_SIZE_MASK) - 4; /* CRC */ + skb = netdev_alloc_skb_ip_align(netdev, packet_size); + if (skb == NULL) { + netdev_warn(netdev, + "Memory squeeze, deferring packet\n"); + goto skip_pkt; + } + memcpy(skb->data, (u8 *)(prrs + 1), packet_size); + skb_put(skb, packet_size); + skb->protocol = eth_type_trans(skb, netdev); + atl1e_rx_checksum(adapter, skb, prrs); + + if (prrs->pkt_flag & RRS_IS_VLAN_TAG) { + u16 vlan_tag = (prrs->vtag >> 4) | + ((prrs->vtag & 7) << 13) | + ((prrs->vtag & 8) << 9); + netdev_dbg(netdev, + "RXD VLAN TAG=0x%04x\n", + prrs->vtag); + __vlan_hwaccel_put_tag(skb, vlan_tag); + } + netif_receive_skb(skb); + +skip_pkt: + /* skip current packet whether it's ok or not. */ + rx_page->read_offset += + (((u32)((prrs->word1 >> RRS_PKT_SIZE_SHIFT) & + RRS_PKT_SIZE_MASK) + + sizeof(struct atl1e_recv_ret_status) + 31) & + 0xFFFFFFE0); + + if (rx_page->read_offset >= rx_ring->page_size) { + /* mark this page clean */ + u16 reg_addr; + u8 rx_using; + + rx_page->read_offset = + *(rx_page->write_offset_addr) = 0; + rx_using = rx_page_desc[que].rx_using; + reg_addr = + atl1e_rx_page_vld_regs[que][rx_using]; + AT_WRITE_REGB(&adapter->hw, reg_addr, 1); + rx_page_desc[que].rx_using ^= 1; + rx_page = atl1e_get_rx_page(adapter, que); + } + write_offset = *(rx_page->write_offset_addr); + } while (rx_page->read_offset < write_offset); + } + + return; + +fatal_err: + if (!test_bit(__AT_DOWN, &adapter->flags)) + schedule_work(&adapter->reset_task); +} + +/* + * atl1e_clean - NAPI Rx polling callback + * @adapter: board private structure + */ +static int atl1e_clean(struct napi_struct *napi, int budget) +{ + struct atl1e_adapter *adapter = + container_of(napi, struct atl1e_adapter, napi); + u32 imr_data; + int work_done = 0; + + /* Keep link state information with original netdev */ + if (!netif_carrier_ok(adapter->netdev)) + goto quit_polling; + + atl1e_clean_rx_irq(adapter, 0, &work_done, budget); + + /* If no Tx and not enough Rx work done, exit the polling mode */ + if (work_done < budget) { +quit_polling: + napi_complete(napi); + imr_data = AT_READ_REG(&adapter->hw, REG_IMR); + AT_WRITE_REG(&adapter->hw, REG_IMR, imr_data | ISR_RX_EVENT); + /* test debug */ + if (test_bit(__AT_DOWN, &adapter->flags)) { + atomic_dec(&adapter->irq_sem); + netdev_err(adapter->netdev, + "atl1e_clean is called when AT_DOWN\n"); + } + /* reenable RX intr */ + /*atl1e_irq_enable(adapter); */ + + } + return work_done; +} + +#ifdef CONFIG_NET_POLL_CONTROLLER + +/* + * Polling 'interrupt' - used by things like netconsole to send skbs + * without having to re-enable interrupts. It's not called while + * the interrupt routine is executing. + */ +static void atl1e_netpoll(struct net_device *netdev) +{ + struct atl1e_adapter *adapter = netdev_priv(netdev); + + disable_irq(adapter->pdev->irq); + atl1e_intr(adapter->pdev->irq, netdev); + enable_irq(adapter->pdev->irq); +} +#endif + +static inline u16 atl1e_tpd_avail(struct atl1e_adapter *adapter) +{ + struct atl1e_tx_ring *tx_ring = &adapter->tx_ring; + u16 next_to_use = 0; + u16 next_to_clean = 0; + + next_to_clean = atomic_read(&tx_ring->next_to_clean); + next_to_use = tx_ring->next_to_use; + + return (u16)(next_to_clean > next_to_use) ? + (next_to_clean - next_to_use - 1) : + (tx_ring->count + next_to_clean - next_to_use - 1); +} + +/* + * get next usable tpd + * Note: should call atl1e_tdp_avail to make sure + * there is enough tpd to use + */ +static struct atl1e_tpd_desc *atl1e_get_tpd(struct atl1e_adapter *adapter) +{ + struct atl1e_tx_ring *tx_ring = &adapter->tx_ring; + u16 next_to_use = 0; + + next_to_use = tx_ring->next_to_use; + if (++tx_ring->next_to_use == tx_ring->count) + tx_ring->next_to_use = 0; + + memset(&tx_ring->desc[next_to_use], 0, sizeof(struct atl1e_tpd_desc)); + return (struct atl1e_tpd_desc *)&tx_ring->desc[next_to_use]; +} + +static struct atl1e_tx_buffer * +atl1e_get_tx_buffer(struct atl1e_adapter *adapter, struct atl1e_tpd_desc *tpd) +{ + struct atl1e_tx_ring *tx_ring = &adapter->tx_ring; + + return &tx_ring->tx_buffer[tpd - tx_ring->desc]; +} + +/* Calculate the transmit packet descript needed*/ +static u16 atl1e_cal_tdp_req(const struct sk_buff *skb) +{ + int i = 0; + u16 tpd_req = 1; + u16 fg_size = 0; + u16 proto_hdr_len = 0; + + for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { + fg_size = skb_shinfo(skb)->frags[i].size; + tpd_req += ((fg_size + MAX_TX_BUF_LEN - 1) >> MAX_TX_BUF_SHIFT); + } + + if (skb_is_gso(skb)) { + if (skb->protocol == htons(ETH_P_IP) || + (skb_shinfo(skb)->gso_type == SKB_GSO_TCPV6)) { + proto_hdr_len = skb_transport_offset(skb) + + tcp_hdrlen(skb); + if (proto_hdr_len < skb_headlen(skb)) { + tpd_req += ((skb_headlen(skb) - proto_hdr_len + + MAX_TX_BUF_LEN - 1) >> + MAX_TX_BUF_SHIFT); + } + } + + } + return tpd_req; +} + +static int atl1e_tso_csum(struct atl1e_adapter *adapter, + struct sk_buff *skb, struct atl1e_tpd_desc *tpd) +{ + u8 hdr_len; + u32 real_len; + unsigned short offload_type; + int err; + + if (skb_is_gso(skb)) { + if (skb_header_cloned(skb)) { + err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC); + if (unlikely(err)) + return -1; + } + offload_type = skb_shinfo(skb)->gso_type; + + if (offload_type & SKB_GSO_TCPV4) { + real_len = (((unsigned char *)ip_hdr(skb) - skb->data) + + ntohs(ip_hdr(skb)->tot_len)); + + if (real_len < skb->len) + pskb_trim(skb, real_len); + + hdr_len = (skb_transport_offset(skb) + tcp_hdrlen(skb)); + if (unlikely(skb->len == hdr_len)) { + /* only xsum need */ + netdev_warn(adapter->netdev, + "IPV4 tso with zero data??\n"); + goto check_sum; + } else { + ip_hdr(skb)->check = 0; + ip_hdr(skb)->tot_len = 0; + tcp_hdr(skb)->check = ~csum_tcpudp_magic( + ip_hdr(skb)->saddr, + ip_hdr(skb)->daddr, + 0, IPPROTO_TCP, 0); + tpd->word3 |= (ip_hdr(skb)->ihl & + TDP_V4_IPHL_MASK) << + TPD_V4_IPHL_SHIFT; + tpd->word3 |= ((tcp_hdrlen(skb) >> 2) & + TPD_TCPHDRLEN_MASK) << + TPD_TCPHDRLEN_SHIFT; + tpd->word3 |= ((skb_shinfo(skb)->gso_size) & + TPD_MSS_MASK) << TPD_MSS_SHIFT; + tpd->word3 |= 1 << TPD_SEGMENT_EN_SHIFT; + } + return 0; + } + } + +check_sum: + if (likely(skb->ip_summed == CHECKSUM_PARTIAL)) { + u8 css, cso; + + cso = skb_checksum_start_offset(skb); + if (unlikely(cso & 0x1)) { + netdev_err(adapter->netdev, + "payload offset should not ant event number\n"); + return -1; + } else { + css = cso + skb->csum_offset; + tpd->word3 |= (cso & TPD_PLOADOFFSET_MASK) << + TPD_PLOADOFFSET_SHIFT; + tpd->word3 |= (css & TPD_CCSUMOFFSET_MASK) << + TPD_CCSUMOFFSET_SHIFT; + tpd->word3 |= 1 << TPD_CC_SEGMENT_EN_SHIFT; + } + } + + return 0; +} + +static void atl1e_tx_map(struct atl1e_adapter *adapter, + struct sk_buff *skb, struct atl1e_tpd_desc *tpd) +{ + struct atl1e_tpd_desc *use_tpd = NULL; + struct atl1e_tx_buffer *tx_buffer = NULL; + u16 buf_len = skb_headlen(skb); + u16 map_len = 0; + u16 mapped_len = 0; + u16 hdr_len = 0; + u16 nr_frags; + u16 f; + int segment; + + nr_frags = skb_shinfo(skb)->nr_frags; + segment = (tpd->word3 >> TPD_SEGMENT_EN_SHIFT) & TPD_SEGMENT_EN_MASK; + if (segment) { + /* TSO */ + map_len = hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb); + use_tpd = tpd; + + tx_buffer = atl1e_get_tx_buffer(adapter, use_tpd); + tx_buffer->length = map_len; + tx_buffer->dma = pci_map_single(adapter->pdev, + skb->data, hdr_len, PCI_DMA_TODEVICE); + ATL1E_SET_PCIMAP_TYPE(tx_buffer, ATL1E_TX_PCIMAP_SINGLE); + mapped_len += map_len; + use_tpd->buffer_addr = cpu_to_le64(tx_buffer->dma); + use_tpd->word2 = (use_tpd->word2 & (~TPD_BUFLEN_MASK)) | + ((cpu_to_le32(tx_buffer->length) & + TPD_BUFLEN_MASK) << TPD_BUFLEN_SHIFT); + } + + while (mapped_len < buf_len) { + /* mapped_len == 0, means we should use the first tpd, + which is given by caller */ + if (mapped_len == 0) { + use_tpd = tpd; + } else { + use_tpd = atl1e_get_tpd(adapter); + memcpy(use_tpd, tpd, sizeof(struct atl1e_tpd_desc)); + } + tx_buffer = atl1e_get_tx_buffer(adapter, use_tpd); + tx_buffer->skb = NULL; + + tx_buffer->length = map_len = + ((buf_len - mapped_len) >= MAX_TX_BUF_LEN) ? + MAX_TX_BUF_LEN : (buf_len - mapped_len); + tx_buffer->dma = + pci_map_single(adapter->pdev, skb->data + mapped_len, + map_len, PCI_DMA_TODEVICE); + ATL1E_SET_PCIMAP_TYPE(tx_buffer, ATL1E_TX_PCIMAP_SINGLE); + mapped_len += map_len; + use_tpd->buffer_addr = cpu_to_le64(tx_buffer->dma); + use_tpd->word2 = (use_tpd->word2 & (~TPD_BUFLEN_MASK)) | + ((cpu_to_le32(tx_buffer->length) & + TPD_BUFLEN_MASK) << TPD_BUFLEN_SHIFT); + } + + for (f = 0; f < nr_frags; f++) { + struct skb_frag_struct *frag; + u16 i; + u16 seg_num; + + frag = &skb_shinfo(skb)->frags[f]; + buf_len = frag->size; + + seg_num = (buf_len + MAX_TX_BUF_LEN - 1) / MAX_TX_BUF_LEN; + for (i = 0; i < seg_num; i++) { + use_tpd = atl1e_get_tpd(adapter); + memcpy(use_tpd, tpd, sizeof(struct atl1e_tpd_desc)); + + tx_buffer = atl1e_get_tx_buffer(adapter, use_tpd); + BUG_ON(tx_buffer->skb); + + tx_buffer->skb = NULL; + tx_buffer->length = + (buf_len > MAX_TX_BUF_LEN) ? + MAX_TX_BUF_LEN : buf_len; + buf_len -= tx_buffer->length; + + tx_buffer->dma = + pci_map_page(adapter->pdev, frag->page, + frag->page_offset + + (i * MAX_TX_BUF_LEN), + tx_buffer->length, + PCI_DMA_TODEVICE); + ATL1E_SET_PCIMAP_TYPE(tx_buffer, ATL1E_TX_PCIMAP_PAGE); + use_tpd->buffer_addr = cpu_to_le64(tx_buffer->dma); + use_tpd->word2 = (use_tpd->word2 & (~TPD_BUFLEN_MASK)) | + ((cpu_to_le32(tx_buffer->length) & + TPD_BUFLEN_MASK) << TPD_BUFLEN_SHIFT); + } + } + + if ((tpd->word3 >> TPD_SEGMENT_EN_SHIFT) & TPD_SEGMENT_EN_MASK) + /* note this one is a tcp header */ + tpd->word3 |= 1 << TPD_HDRFLAG_SHIFT; + /* The last tpd */ + + use_tpd->word3 |= 1 << TPD_EOP_SHIFT; + /* The last buffer info contain the skb address, + so it will be free after unmap */ + tx_buffer->skb = skb; +} + +static void atl1e_tx_queue(struct atl1e_adapter *adapter, u16 count, + struct atl1e_tpd_desc *tpd) +{ + struct atl1e_tx_ring *tx_ring = &adapter->tx_ring; + /* Force memory writes to complete before letting h/w + * know there are new descriptors to fetch. (Only + * applicable for weak-ordered memory model archs, + * such as IA-64). */ + wmb(); + AT_WRITE_REG(&adapter->hw, REG_MB_TPD_PROD_IDX, tx_ring->next_to_use); +} + +static netdev_tx_t atl1e_xmit_frame(struct sk_buff *skb, + struct net_device *netdev) +{ + struct atl1e_adapter *adapter = netdev_priv(netdev); + unsigned long flags; + u16 tpd_req = 1; + struct atl1e_tpd_desc *tpd; + + if (test_bit(__AT_DOWN, &adapter->flags)) { + dev_kfree_skb_any(skb); + return NETDEV_TX_OK; + } + + if (unlikely(skb->len <= 0)) { + dev_kfree_skb_any(skb); + return NETDEV_TX_OK; + } + tpd_req = atl1e_cal_tdp_req(skb); + if (!spin_trylock_irqsave(&adapter->tx_lock, flags)) + return NETDEV_TX_LOCKED; + + if (atl1e_tpd_avail(adapter) < tpd_req) { + /* no enough descriptor, just stop queue */ + netif_stop_queue(netdev); + spin_unlock_irqrestore(&adapter->tx_lock, flags); + return NETDEV_TX_BUSY; + } + + tpd = atl1e_get_tpd(adapter); + + if (vlan_tx_tag_present(skb)) { + u16 vlan_tag = vlan_tx_tag_get(skb); + u16 atl1e_vlan_tag; + + tpd->word3 |= 1 << TPD_INS_VL_TAG_SHIFT; + AT_VLAN_TAG_TO_TPD_TAG(vlan_tag, atl1e_vlan_tag); + tpd->word2 |= (atl1e_vlan_tag & TPD_VLANTAG_MASK) << + TPD_VLAN_SHIFT; + } + + if (skb->protocol == htons(ETH_P_8021Q)) + tpd->word3 |= 1 << TPD_VL_TAGGED_SHIFT; + + if (skb_network_offset(skb) != ETH_HLEN) + tpd->word3 |= 1 << TPD_ETHTYPE_SHIFT; /* 802.3 frame */ + + /* do TSO and check sum */ + if (atl1e_tso_csum(adapter, skb, tpd) != 0) { + spin_unlock_irqrestore(&adapter->tx_lock, flags); + dev_kfree_skb_any(skb); + return NETDEV_TX_OK; + } + + atl1e_tx_map(adapter, skb, tpd); + atl1e_tx_queue(adapter, tpd_req, tpd); + + netdev->trans_start = jiffies; /* NETIF_F_LLTX driver :( */ + spin_unlock_irqrestore(&adapter->tx_lock, flags); + return NETDEV_TX_OK; +} + +static void atl1e_free_irq(struct atl1e_adapter *adapter) +{ + struct net_device *netdev = adapter->netdev; + + free_irq(adapter->pdev->irq, netdev); + + if (adapter->have_msi) + pci_disable_msi(adapter->pdev); +} + +static int atl1e_request_irq(struct atl1e_adapter *adapter) +{ + struct pci_dev *pdev = adapter->pdev; + struct net_device *netdev = adapter->netdev; + int flags = 0; + int err = 0; + + adapter->have_msi = true; + err = pci_enable_msi(adapter->pdev); + if (err) { + netdev_dbg(adapter->netdev, + "Unable to allocate MSI interrupt Error: %d\n", err); + adapter->have_msi = false; + } else + netdev->irq = pdev->irq; + + + if (!adapter->have_msi) + flags |= IRQF_SHARED; + err = request_irq(adapter->pdev->irq, atl1e_intr, flags, + netdev->name, netdev); + if (err) { + netdev_dbg(adapter->netdev, + "Unable to allocate interrupt Error: %d\n", err); + if (adapter->have_msi) + pci_disable_msi(adapter->pdev); + return err; + } + netdev_dbg(adapter->netdev, "atl1e_request_irq OK\n"); + return err; +} + +int atl1e_up(struct atl1e_adapter *adapter) +{ + struct net_device *netdev = adapter->netdev; + int err = 0; + u32 val; + + /* hardware has been reset, we need to reload some things */ + err = atl1e_init_hw(&adapter->hw); + if (err) { + err = -EIO; + return err; + } + atl1e_init_ring_ptrs(adapter); + atl1e_set_multi(netdev); + atl1e_restore_vlan(adapter); + + if (atl1e_configure(adapter)) { + err = -EIO; + goto err_up; + } + + clear_bit(__AT_DOWN, &adapter->flags); + napi_enable(&adapter->napi); + atl1e_irq_enable(adapter); + val = AT_READ_REG(&adapter->hw, REG_MASTER_CTRL); + AT_WRITE_REG(&adapter->hw, REG_MASTER_CTRL, + val | MASTER_CTRL_MANUAL_INT); + +err_up: + return err; +} + +void atl1e_down(struct atl1e_adapter *adapter) +{ + struct net_device *netdev = adapter->netdev; + + /* signal that we're down so the interrupt handler does not + * reschedule our watchdog timer */ + set_bit(__AT_DOWN, &adapter->flags); + + netif_stop_queue(netdev); + + /* reset MAC to disable all RX/TX */ + atl1e_reset_hw(&adapter->hw); + msleep(1); + + napi_disable(&adapter->napi); + atl1e_del_timer(adapter); + atl1e_irq_disable(adapter); + + netif_carrier_off(netdev); + adapter->link_speed = SPEED_0; + adapter->link_duplex = -1; + atl1e_clean_tx_ring(adapter); + atl1e_clean_rx_ring(adapter); +} + +/* + * atl1e_open - Called when a network interface is made active + * @netdev: network interface device structure + * + * Returns 0 on success, negative value on failure + * + * The open entry point is called when a network interface is made + * active by the system (IFF_UP). At this point all resources needed + * for transmit and receive operations are allocated, the interrupt + * handler is registered with the OS, the watchdog timer is started, + * and the stack is notified that the interface is ready. + */ +static int atl1e_open(struct net_device *netdev) +{ + struct atl1e_adapter *adapter = netdev_priv(netdev); + int err; + + /* disallow open during test */ + if (test_bit(__AT_TESTING, &adapter->flags)) + return -EBUSY; + + /* allocate rx/tx dma buffer & descriptors */ + atl1e_init_ring_resources(adapter); + err = atl1e_setup_ring_resources(adapter); + if (unlikely(err)) + return err; + + err = atl1e_request_irq(adapter); + if (unlikely(err)) + goto err_req_irq; + + err = atl1e_up(adapter); + if (unlikely(err)) + goto err_up; + + return 0; + +err_up: + atl1e_free_irq(adapter); +err_req_irq: + atl1e_free_ring_resources(adapter); + atl1e_reset_hw(&adapter->hw); + + return err; +} + +/* + * atl1e_close - Disables a network interface + * @netdev: network interface device structure + * + * Returns 0, this is not allowed to fail + * + * The close entry point is called when an interface is de-activated + * by the OS. The hardware is still under the drivers control, but + * needs to be disabled. A global MAC reset is issued to stop the + * hardware, and all transmit and receive resources are freed. + */ +static int atl1e_close(struct net_device *netdev) +{ + struct atl1e_adapter *adapter = netdev_priv(netdev); + + WARN_ON(test_bit(__AT_RESETTING, &adapter->flags)); + atl1e_down(adapter); + atl1e_free_irq(adapter); + atl1e_free_ring_resources(adapter); + + return 0; +} + +static int atl1e_suspend(struct pci_dev *pdev, pm_message_t state) +{ + struct net_device *netdev = pci_get_drvdata(pdev); + struct atl1e_adapter *adapter = netdev_priv(netdev); + struct atl1e_hw *hw = &adapter->hw; + u32 ctrl = 0; + u32 mac_ctrl_data = 0; + u32 wol_ctrl_data = 0; + u16 mii_advertise_data = 0; + u16 mii_bmsr_data = 0; + u16 mii_intr_status_data = 0; + u32 wufc = adapter->wol; + u32 i; +#ifdef CONFIG_PM + int retval = 0; +#endif + + if (netif_running(netdev)) { + WARN_ON(test_bit(__AT_RESETTING, &adapter->flags)); + atl1e_down(adapter); + } + netif_device_detach(netdev); + +#ifdef CONFIG_PM + retval = pci_save_state(pdev); + if (retval) + return retval; +#endif + + if (wufc) { + /* get link status */ + atl1e_read_phy_reg(hw, MII_BMSR, (u16 *)&mii_bmsr_data); + atl1e_read_phy_reg(hw, MII_BMSR, (u16 *)&mii_bmsr_data); + + mii_advertise_data = ADVERTISE_10HALF; + + if ((atl1e_write_phy_reg(hw, MII_CTRL1000, 0) != 0) || + (atl1e_write_phy_reg(hw, + MII_ADVERTISE, mii_advertise_data) != 0) || + (atl1e_phy_commit(hw)) != 0) { + netdev_dbg(adapter->netdev, "set phy register failed\n"); + goto wol_dis; + } + + hw->phy_configured = false; /* re-init PHY when resume */ + + /* turn on magic packet wol */ + if (wufc & AT_WUFC_MAG) + wol_ctrl_data |= WOL_MAGIC_EN | WOL_MAGIC_PME_EN; + + if (wufc & AT_WUFC_LNKC) { + /* if orignal link status is link, just wait for retrive link */ + if (mii_bmsr_data & BMSR_LSTATUS) { + for (i = 0; i < AT_SUSPEND_LINK_TIMEOUT; i++) { + msleep(100); + atl1e_read_phy_reg(hw, MII_BMSR, + (u16 *)&mii_bmsr_data); + if (mii_bmsr_data & BMSR_LSTATUS) + break; + } + + if ((mii_bmsr_data & BMSR_LSTATUS) == 0) + netdev_dbg(adapter->netdev, + "Link may change when suspend\n"); + } + wol_ctrl_data |= WOL_LINK_CHG_EN | WOL_LINK_CHG_PME_EN; + /* only link up can wake up */ + if (atl1e_write_phy_reg(hw, MII_INT_CTRL, 0x400) != 0) { + netdev_dbg(adapter->netdev, + "read write phy register failed\n"); + goto wol_dis; + } + } + /* clear phy interrupt */ + atl1e_read_phy_reg(hw, MII_INT_STATUS, &mii_intr_status_data); + /* Config MAC Ctrl register */ + mac_ctrl_data = MAC_CTRL_RX_EN; + /* set to 10/100M halt duplex */ + mac_ctrl_data |= MAC_CTRL_SPEED_10_100 << MAC_CTRL_SPEED_SHIFT; + mac_ctrl_data |= (((u32)adapter->hw.preamble_len & + MAC_CTRL_PRMLEN_MASK) << + MAC_CTRL_PRMLEN_SHIFT); + + __atl1e_vlan_mode(netdev->features, &mac_ctrl_data); + + /* magic packet maybe Broadcast&multicast&Unicast frame */ + if (wufc & AT_WUFC_MAG) + mac_ctrl_data |= MAC_CTRL_BC_EN; + + netdev_dbg(adapter->netdev, "suspend MAC=0x%x\n", + mac_ctrl_data); + + AT_WRITE_REG(hw, REG_WOL_CTRL, wol_ctrl_data); + AT_WRITE_REG(hw, REG_MAC_CTRL, mac_ctrl_data); + /* pcie patch */ + ctrl = AT_READ_REG(hw, REG_PCIE_PHYMISC); + ctrl |= PCIE_PHYMISC_FORCE_RCV_DET; + AT_WRITE_REG(hw, REG_PCIE_PHYMISC, ctrl); + pci_enable_wake(pdev, pci_choose_state(pdev, state), 1); + goto suspend_exit; + } +wol_dis: + + /* WOL disabled */ + AT_WRITE_REG(hw, REG_WOL_CTRL, 0); + + /* pcie patch */ + ctrl = AT_READ_REG(hw, REG_PCIE_PHYMISC); + ctrl |= PCIE_PHYMISC_FORCE_RCV_DET; + AT_WRITE_REG(hw, REG_PCIE_PHYMISC, ctrl); + + atl1e_force_ps(hw); + hw->phy_configured = false; /* re-init PHY when resume */ + + pci_enable_wake(pdev, pci_choose_state(pdev, state), 0); + +suspend_exit: + + if (netif_running(netdev)) + atl1e_free_irq(adapter); + + pci_disable_device(pdev); + + pci_set_power_state(pdev, pci_choose_state(pdev, state)); + + return 0; +} + +#ifdef CONFIG_PM +static int atl1e_resume(struct pci_dev *pdev) +{ + struct net_device *netdev = pci_get_drvdata(pdev); + struct atl1e_adapter *adapter = netdev_priv(netdev); + u32 err; + + pci_set_power_state(pdev, PCI_D0); + pci_restore_state(pdev); + + err = pci_enable_device(pdev); + if (err) { + netdev_err(adapter->netdev, + "Cannot enable PCI device from suspend\n"); + return err; + } + + pci_set_master(pdev); + + AT_READ_REG(&adapter->hw, REG_WOL_CTRL); /* clear WOL status */ + + pci_enable_wake(pdev, PCI_D3hot, 0); + pci_enable_wake(pdev, PCI_D3cold, 0); + + AT_WRITE_REG(&adapter->hw, REG_WOL_CTRL, 0); + + if (netif_running(netdev)) { + err = atl1e_request_irq(adapter); + if (err) + return err; + } + + atl1e_reset_hw(&adapter->hw); + + if (netif_running(netdev)) + atl1e_up(adapter); + + netif_device_attach(netdev); + + return 0; +} +#endif + +static void atl1e_shutdown(struct pci_dev *pdev) +{ + atl1e_suspend(pdev, PMSG_SUSPEND); +} + +static const struct net_device_ops atl1e_netdev_ops = { + .ndo_open = atl1e_open, + .ndo_stop = atl1e_close, + .ndo_start_xmit = atl1e_xmit_frame, + .ndo_get_stats = atl1e_get_stats, + .ndo_set_multicast_list = atl1e_set_multi, + .ndo_validate_addr = eth_validate_addr, + .ndo_set_mac_address = atl1e_set_mac_addr, + .ndo_fix_features = atl1e_fix_features, + .ndo_set_features = atl1e_set_features, + .ndo_change_mtu = atl1e_change_mtu, + .ndo_do_ioctl = atl1e_ioctl, + .ndo_tx_timeout = atl1e_tx_timeout, +#ifdef CONFIG_NET_POLL_CONTROLLER + .ndo_poll_controller = atl1e_netpoll, +#endif + +}; + +static int atl1e_init_netdev(struct net_device *netdev, struct pci_dev *pdev) +{ + SET_NETDEV_DEV(netdev, &pdev->dev); + pci_set_drvdata(pdev, netdev); + + netdev->irq = pdev->irq; + netdev->netdev_ops = &atl1e_netdev_ops; + + netdev->watchdog_timeo = AT_TX_WATCHDOG; + atl1e_set_ethtool_ops(netdev); + + netdev->hw_features = NETIF_F_SG | NETIF_F_HW_CSUM | NETIF_F_TSO | + NETIF_F_HW_VLAN_RX; + netdev->features = netdev->hw_features | NETIF_F_LLTX | + NETIF_F_HW_VLAN_TX; + + return 0; +} + +/* + * atl1e_probe - Device Initialization Routine + * @pdev: PCI device information struct + * @ent: entry in atl1e_pci_tbl + * + * Returns 0 on success, negative on failure + * + * atl1e_probe initializes an adapter identified by a pci_dev structure. + * The OS initialization, configuring of the adapter private structure, + * and a hardware reset occur. + */ +static int __devinit atl1e_probe(struct pci_dev *pdev, + const struct pci_device_id *ent) +{ + struct net_device *netdev; + struct atl1e_adapter *adapter = NULL; + static int cards_found; + + int err = 0; + + err = pci_enable_device(pdev); + if (err) { + dev_err(&pdev->dev, "cannot enable PCI device\n"); + return err; + } + + /* + * The atl1e chip can DMA to 64-bit addresses, but it uses a single + * shared register for the high 32 bits, so only a single, aligned, + * 4 GB physical address range can be used at a time. + * + * Supporting 64-bit DMA on this hardware is more trouble than it's + * worth. It is far easier to limit to 32-bit DMA than update + * various kernel subsystems to support the mechanics required by a + * fixed-high-32-bit system. + */ + if ((pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0) || + (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)) != 0)) { + dev_err(&pdev->dev, "No usable DMA configuration,aborting\n"); + goto err_dma; + } + + err = pci_request_regions(pdev, atl1e_driver_name); + if (err) { + dev_err(&pdev->dev, "cannot obtain PCI resources\n"); + goto err_pci_reg; + } + + pci_set_master(pdev); + + netdev = alloc_etherdev(sizeof(struct atl1e_adapter)); + if (netdev == NULL) { + err = -ENOMEM; + dev_err(&pdev->dev, "etherdev alloc failed\n"); + goto err_alloc_etherdev; + } + + err = atl1e_init_netdev(netdev, pdev); + if (err) { + netdev_err(netdev, "init netdevice failed\n"); + goto err_init_netdev; + } + adapter = netdev_priv(netdev); + adapter->bd_number = cards_found; + adapter->netdev = netdev; + adapter->pdev = pdev; + adapter->hw.adapter = adapter; + adapter->hw.hw_addr = pci_iomap(pdev, BAR_0, 0); + if (!adapter->hw.hw_addr) { + err = -EIO; + netdev_err(netdev, "cannot map device registers\n"); + goto err_ioremap; + } + netdev->base_addr = (unsigned long)adapter->hw.hw_addr; + + /* init mii data */ + adapter->mii.dev = netdev; + adapter->mii.mdio_read = atl1e_mdio_read; + adapter->mii.mdio_write = atl1e_mdio_write; + adapter->mii.phy_id_mask = 0x1f; + adapter->mii.reg_num_mask = MDIO_REG_ADDR_MASK; + + netif_napi_add(netdev, &adapter->napi, atl1e_clean, 64); + + init_timer(&adapter->phy_config_timer); + adapter->phy_config_timer.function = atl1e_phy_config; + adapter->phy_config_timer.data = (unsigned long) adapter; + + /* get user settings */ + atl1e_check_options(adapter); + /* + * Mark all PCI regions associated with PCI device + * pdev as being reserved by owner atl1e_driver_name + * Enables bus-mastering on the device and calls + * pcibios_set_master to do the needed arch specific settings + */ + atl1e_setup_pcicmd(pdev); + /* setup the private structure */ + err = atl1e_sw_init(adapter); + if (err) { + netdev_err(netdev, "net device private data init failed\n"); + goto err_sw_init; + } + + /* Init GPHY as early as possible due to power saving issue */ + atl1e_phy_init(&adapter->hw); + /* reset the controller to + * put the device in a known good starting state */ + err = atl1e_reset_hw(&adapter->hw); + if (err) { + err = -EIO; + goto err_reset; + } + + if (atl1e_read_mac_addr(&adapter->hw) != 0) { + err = -EIO; + netdev_err(netdev, "get mac address failed\n"); + goto err_eeprom; + } + + memcpy(netdev->dev_addr, adapter->hw.mac_addr, netdev->addr_len); + memcpy(netdev->perm_addr, adapter->hw.mac_addr, netdev->addr_len); + netdev_dbg(netdev, "mac address : %pM\n", adapter->hw.mac_addr); + + INIT_WORK(&adapter->reset_task, atl1e_reset_task); + INIT_WORK(&adapter->link_chg_task, atl1e_link_chg_task); + err = register_netdev(netdev); + if (err) { + netdev_err(netdev, "register netdevice failed\n"); + goto err_register; + } + + /* assume we have no link for now */ + netif_stop_queue(netdev); + netif_carrier_off(netdev); + + cards_found++; + + return 0; + +err_reset: +err_register: +err_sw_init: +err_eeprom: + iounmap(adapter->hw.hw_addr); +err_init_netdev: +err_ioremap: + free_netdev(netdev); +err_alloc_etherdev: + pci_release_regions(pdev); +err_pci_reg: +err_dma: + pci_disable_device(pdev); + return err; +} + +/* + * atl1e_remove - Device Removal Routine + * @pdev: PCI device information struct + * + * atl1e_remove is called by the PCI subsystem to alert the driver + * that it should release a PCI device. The could be caused by a + * Hot-Plug event, or because the driver is going to be removed from + * memory. + */ +static void __devexit atl1e_remove(struct pci_dev *pdev) +{ + struct net_device *netdev = pci_get_drvdata(pdev); + struct atl1e_adapter *adapter = netdev_priv(netdev); + + /* + * flush_scheduled work may reschedule our watchdog task, so + * explicitly disable watchdog tasks from being rescheduled + */ + set_bit(__AT_DOWN, &adapter->flags); + + atl1e_del_timer(adapter); + atl1e_cancel_work(adapter); + + unregister_netdev(netdev); + atl1e_free_ring_resources(adapter); + atl1e_force_ps(&adapter->hw); + iounmap(adapter->hw.hw_addr); + pci_release_regions(pdev); + free_netdev(netdev); + pci_disable_device(pdev); +} + +/* + * atl1e_io_error_detected - called when PCI error is detected + * @pdev: Pointer to PCI device + * @state: The current pci connection state + * + * This function is called after a PCI bus error affecting + * this device has been detected. + */ +static pci_ers_result_t +atl1e_io_error_detected(struct pci_dev *pdev, pci_channel_state_t state) +{ + struct net_device *netdev = pci_get_drvdata(pdev); + struct atl1e_adapter *adapter = netdev_priv(netdev); + + netif_device_detach(netdev); + + if (state == pci_channel_io_perm_failure) + return PCI_ERS_RESULT_DISCONNECT; + + if (netif_running(netdev)) + atl1e_down(adapter); + + pci_disable_device(pdev); + + /* Request a slot slot reset. */ + return PCI_ERS_RESULT_NEED_RESET; +} + +/* + * atl1e_io_slot_reset - called after the pci bus has been reset. + * @pdev: Pointer to PCI device + * + * Restart the card from scratch, as if from a cold-boot. Implementation + * resembles the first-half of the e1000_resume routine. + */ +static pci_ers_result_t atl1e_io_slot_reset(struct pci_dev *pdev) +{ + struct net_device *netdev = pci_get_drvdata(pdev); + struct atl1e_adapter *adapter = netdev_priv(netdev); + + if (pci_enable_device(pdev)) { + netdev_err(adapter->netdev, + "Cannot re-enable PCI device after reset\n"); + return PCI_ERS_RESULT_DISCONNECT; + } + pci_set_master(pdev); + + pci_enable_wake(pdev, PCI_D3hot, 0); + pci_enable_wake(pdev, PCI_D3cold, 0); + + atl1e_reset_hw(&adapter->hw); + + return PCI_ERS_RESULT_RECOVERED; +} + +/* + * atl1e_io_resume - called when traffic can start flowing again. + * @pdev: Pointer to PCI device + * + * This callback is called when the error recovery driver tells us that + * its OK to resume normal operation. Implementation resembles the + * second-half of the atl1e_resume routine. + */ +static void atl1e_io_resume(struct pci_dev *pdev) +{ + struct net_device *netdev = pci_get_drvdata(pdev); + struct atl1e_adapter *adapter = netdev_priv(netdev); + + if (netif_running(netdev)) { + if (atl1e_up(adapter)) { + netdev_err(adapter->netdev, + "can't bring device back up after reset\n"); + return; + } + } + + netif_device_attach(netdev); +} + +static struct pci_error_handlers atl1e_err_handler = { + .error_detected = atl1e_io_error_detected, + .slot_reset = atl1e_io_slot_reset, + .resume = atl1e_io_resume, +}; + +static struct pci_driver atl1e_driver = { + .name = atl1e_driver_name, + .id_table = atl1e_pci_tbl, + .probe = atl1e_probe, + .remove = __devexit_p(atl1e_remove), + /* Power Management Hooks */ +#ifdef CONFIG_PM + .suspend = atl1e_suspend, + .resume = atl1e_resume, +#endif + .shutdown = atl1e_shutdown, + .err_handler = &atl1e_err_handler +}; + +/* + * atl1e_init_module - Driver Registration Routine + * + * atl1e_init_module is the first routine called when the driver is + * loaded. All it does is register with the PCI subsystem. + */ +static int __init atl1e_init_module(void) +{ + return pci_register_driver(&atl1e_driver); +} + +/* + * atl1e_exit_module - Driver Exit Cleanup Routine + * + * atl1e_exit_module is called just before the driver is removed + * from memory. + */ +static void __exit atl1e_exit_module(void) +{ + pci_unregister_driver(&atl1e_driver); +} + +module_init(atl1e_init_module); +module_exit(atl1e_exit_module); diff --git a/drivers/net/ethernet/atheros/atl1e/atl1e_param.c b/drivers/net/ethernet/atheros/atl1e/atl1e_param.c new file mode 100644 index 000000000000..0ce60b6e7ef0 --- /dev/null +++ b/drivers/net/ethernet/atheros/atl1e/atl1e_param.c @@ -0,0 +1,268 @@ +/* + * Copyright(c) 2007 Atheros Corporation. All rights reserved. + * + * Derived from Intel e1000 driver + * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., 59 + * Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#include + +#include "atl1e.h" + +/* This is the only thing that needs to be changed to adjust the + * maximum number of ports that the driver can manage. + */ + +#define ATL1E_MAX_NIC 32 + +#define OPTION_UNSET -1 +#define OPTION_DISABLED 0 +#define OPTION_ENABLED 1 + +/* All parameters are treated the same, as an integer array of values. + * This macro just reduces the need to repeat the same declaration code + * over and over (plus this helps to avoid typo bugs). + */ +#define ATL1E_PARAM_INIT { [0 ... ATL1E_MAX_NIC] = OPTION_UNSET } + +#define ATL1E_PARAM(x, desc) \ + static int __devinitdata x[ATL1E_MAX_NIC + 1] = ATL1E_PARAM_INIT; \ + static unsigned int num_##x; \ + module_param_array_named(x, x, int, &num_##x, 0); \ + MODULE_PARM_DESC(x, desc); + +/* Transmit Memory count + * + * Valid Range: 64-2048 + * + * Default Value: 128 + */ +#define ATL1E_MIN_TX_DESC_CNT 32 +#define ATL1E_MAX_TX_DESC_CNT 1020 +#define ATL1E_DEFAULT_TX_DESC_CNT 128 +ATL1E_PARAM(tx_desc_cnt, "Transmit description count"); + +/* Receive Memory Block Count + * + * Valid Range: 16-512 + * + * Default Value: 128 + */ +#define ATL1E_MIN_RX_MEM_SIZE 8 /* 8KB */ +#define ATL1E_MAX_RX_MEM_SIZE 1024 /* 1MB */ +#define ATL1E_DEFAULT_RX_MEM_SIZE 256 /* 128KB */ +ATL1E_PARAM(rx_mem_size, "memory size of rx buffer(KB)"); + +/* User Specified MediaType Override + * + * Valid Range: 0-5 + * - 0 - auto-negotiate at all supported speeds + * - 1 - only link at 100Mbps Full Duplex + * - 2 - only link at 100Mbps Half Duplex + * - 3 - only link at 10Mbps Full Duplex + * - 4 - only link at 10Mbps Half Duplex + * Default Value: 0 + */ + +ATL1E_PARAM(media_type, "MediaType Select"); + +/* Interrupt Moderate Timer in units of 2 us + * + * Valid Range: 10-65535 + * + * Default Value: 45000(90ms) + */ +#define INT_MOD_DEFAULT_CNT 100 /* 200us */ +#define INT_MOD_MAX_CNT 65000 +#define INT_MOD_MIN_CNT 50 +ATL1E_PARAM(int_mod_timer, "Interrupt Moderator Timer"); + +#define AUTONEG_ADV_DEFAULT 0x2F +#define AUTONEG_ADV_MASK 0x2F +#define FLOW_CONTROL_DEFAULT FLOW_CONTROL_FULL + +#define FLASH_VENDOR_DEFAULT 0 +#define FLASH_VENDOR_MIN 0 +#define FLASH_VENDOR_MAX 2 + +struct atl1e_option { + enum { enable_option, range_option, list_option } type; + char *name; + char *err; + int def; + union { + struct { /* range_option info */ + int min; + int max; + } r; + struct { /* list_option info */ + int nr; + struct atl1e_opt_list { int i; char *str; } *p; + } l; + } arg; +}; + +static int __devinit atl1e_validate_option(int *value, struct atl1e_option *opt, struct atl1e_adapter *adapter) +{ + if (*value == OPTION_UNSET) { + *value = opt->def; + return 0; + } + + switch (opt->type) { + case enable_option: + switch (*value) { + case OPTION_ENABLED: + netdev_info(adapter->netdev, + "%s Enabled\n", opt->name); + return 0; + case OPTION_DISABLED: + netdev_info(adapter->netdev, + "%s Disabled\n", opt->name); + return 0; + } + break; + case range_option: + if (*value >= opt->arg.r.min && *value <= opt->arg.r.max) { + netdev_info(adapter->netdev, "%s set to %i\n", + opt->name, *value); + return 0; + } + break; + case list_option:{ + int i; + struct atl1e_opt_list *ent; + + for (i = 0; i < opt->arg.l.nr; i++) { + ent = &opt->arg.l.p[i]; + if (*value == ent->i) { + if (ent->str[0] != '\0') + netdev_info(adapter->netdev, + "%s\n", ent->str); + return 0; + } + } + break; + } + default: + BUG(); + } + + netdev_info(adapter->netdev, "Invalid %s specified (%i) %s\n", + opt->name, *value, opt->err); + *value = opt->def; + return -1; +} + +/* + * atl1e_check_options - Range Checking for Command Line Parameters + * @adapter: board private structure + * + * This routine checks all command line parameters for valid user + * input. If an invalid value is given, or if no user specified + * value exists, a default value is used. The final value is stored + * in a variable in the adapter structure. + */ +void __devinit atl1e_check_options(struct atl1e_adapter *adapter) +{ + int bd = adapter->bd_number; + + if (bd >= ATL1E_MAX_NIC) { + netdev_notice(adapter->netdev, + "no configuration for board #%i\n", bd); + netdev_notice(adapter->netdev, + "Using defaults for all values\n"); + } + + { /* Transmit Ring Size */ + struct atl1e_option opt = { + .type = range_option, + .name = "Transmit Ddescription Count", + .err = "using default of " + __MODULE_STRING(ATL1E_DEFAULT_TX_DESC_CNT), + .def = ATL1E_DEFAULT_TX_DESC_CNT, + .arg = { .r = { .min = ATL1E_MIN_TX_DESC_CNT, + .max = ATL1E_MAX_TX_DESC_CNT} } + }; + int val; + if (num_tx_desc_cnt > bd) { + val = tx_desc_cnt[bd]; + atl1e_validate_option(&val, &opt, adapter); + adapter->tx_ring.count = (u16) val & 0xFFFC; + } else + adapter->tx_ring.count = (u16)opt.def; + } + + { /* Receive Memory Block Count */ + struct atl1e_option opt = { + .type = range_option, + .name = "Memory size of rx buffer(KB)", + .err = "using default of " + __MODULE_STRING(ATL1E_DEFAULT_RX_MEM_SIZE), + .def = ATL1E_DEFAULT_RX_MEM_SIZE, + .arg = { .r = { .min = ATL1E_MIN_RX_MEM_SIZE, + .max = ATL1E_MAX_RX_MEM_SIZE} } + }; + int val; + if (num_rx_mem_size > bd) { + val = rx_mem_size[bd]; + atl1e_validate_option(&val, &opt, adapter); + adapter->rx_ring.page_size = (u32)val * 1024; + } else { + adapter->rx_ring.page_size = (u32)opt.def * 1024; + } + } + + { /* Interrupt Moderate Timer */ + struct atl1e_option opt = { + .type = range_option, + .name = "Interrupt Moderate Timer", + .err = "using default of " + __MODULE_STRING(INT_MOD_DEFAULT_CNT), + .def = INT_MOD_DEFAULT_CNT, + .arg = { .r = { .min = INT_MOD_MIN_CNT, + .max = INT_MOD_MAX_CNT} } + } ; + int val; + if (num_int_mod_timer > bd) { + val = int_mod_timer[bd]; + atl1e_validate_option(&val, &opt, adapter); + adapter->hw.imt = (u16) val; + } else + adapter->hw.imt = (u16)(opt.def); + } + + { /* MediaType */ + struct atl1e_option opt = { + .type = range_option, + .name = "Speed/Duplex Selection", + .err = "using default of " + __MODULE_STRING(MEDIA_TYPE_AUTO_SENSOR), + .def = MEDIA_TYPE_AUTO_SENSOR, + .arg = { .r = { .min = MEDIA_TYPE_AUTO_SENSOR, + .max = MEDIA_TYPE_10M_HALF} } + } ; + int val; + if (num_media_type > bd) { + val = media_type[bd]; + atl1e_validate_option(&val, &opt, adapter); + adapter->hw.media_type = (u16) val; + } else + adapter->hw.media_type = (u16)(opt.def); + + } +} diff --git a/drivers/net/ethernet/atheros/atlx/Makefile b/drivers/net/ethernet/atheros/atlx/Makefile new file mode 100644 index 000000000000..e4f6022ca552 --- /dev/null +++ b/drivers/net/ethernet/atheros/atlx/Makefile @@ -0,0 +1,3 @@ +obj-$(CONFIG_ATL1) += atl1.o +obj-$(CONFIG_ATL2) += atl2.o + diff --git a/drivers/net/ethernet/atheros/atlx/atl1.c b/drivers/net/ethernet/atheros/atlx/atl1.c new file mode 100644 index 000000000000..97e6954304ea --- /dev/null +++ b/drivers/net/ethernet/atheros/atlx/atl1.c @@ -0,0 +1,3675 @@ +/* + * Copyright(c) 2005 - 2006 Attansic Corporation. All rights reserved. + * Copyright(c) 2006 - 2007 Chris Snook + * Copyright(c) 2006 - 2008 Jay Cliburn + * + * Derived from Intel e1000 driver + * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., 59 + * Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + * The full GNU General Public License is included in this distribution in the + * file called COPYING. + * + * Contact Information: + * Xiong Huang + * Jie Yang + * Chris Snook + * Jay Cliburn + * + * This version is adapted from the Attansic reference driver. + * + * TODO: + * Add more ethtool functions. + * Fix abstruse irq enable/disable condition described here: + * http://marc.theaimsgroup.com/?l=linux-netdev&m=116398508500553&w=2 + * + * NEEDS TESTING: + * VLAN + * multicast + * promiscuous mode + * interrupt coalescing + * SMP torture testing + */ + +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include + +#include "atl1.h" + +#define ATLX_DRIVER_VERSION "2.1.3" +MODULE_AUTHOR("Xiong Huang , " + "Chris Snook , " + "Jay Cliburn "); +MODULE_LICENSE("GPL"); +MODULE_VERSION(ATLX_DRIVER_VERSION); + +/* Temporary hack for merging atl1 and atl2 */ +#include "atlx.c" + +static const struct ethtool_ops atl1_ethtool_ops; + +/* + * This is the only thing that needs to be changed to adjust the + * maximum number of ports that the driver can manage. + */ +#define ATL1_MAX_NIC 4 + +#define OPTION_UNSET -1 +#define OPTION_DISABLED 0 +#define OPTION_ENABLED 1 + +#define ATL1_PARAM_INIT { [0 ... ATL1_MAX_NIC] = OPTION_UNSET } + +/* + * Interrupt Moderate Timer in units of 2 us + * + * Valid Range: 10-65535 + * + * Default Value: 100 (200us) + */ +static int __devinitdata int_mod_timer[ATL1_MAX_NIC+1] = ATL1_PARAM_INIT; +static unsigned int num_int_mod_timer; +module_param_array_named(int_mod_timer, int_mod_timer, int, + &num_int_mod_timer, 0); +MODULE_PARM_DESC(int_mod_timer, "Interrupt moderator timer"); + +#define DEFAULT_INT_MOD_CNT 100 /* 200us */ +#define MAX_INT_MOD_CNT 65000 +#define MIN_INT_MOD_CNT 50 + +struct atl1_option { + enum { enable_option, range_option, list_option } type; + char *name; + char *err; + int def; + union { + struct { /* range_option info */ + int min; + int max; + } r; + struct { /* list_option info */ + int nr; + struct atl1_opt_list { + int i; + char *str; + } *p; + } l; + } arg; +}; + +static int __devinit atl1_validate_option(int *value, struct atl1_option *opt, + struct pci_dev *pdev) +{ + if (*value == OPTION_UNSET) { + *value = opt->def; + return 0; + } + + switch (opt->type) { + case enable_option: + switch (*value) { + case OPTION_ENABLED: + dev_info(&pdev->dev, "%s enabled\n", opt->name); + return 0; + case OPTION_DISABLED: + dev_info(&pdev->dev, "%s disabled\n", opt->name); + return 0; + } + break; + case range_option: + if (*value >= opt->arg.r.min && *value <= opt->arg.r.max) { + dev_info(&pdev->dev, "%s set to %i\n", opt->name, + *value); + return 0; + } + break; + case list_option:{ + int i; + struct atl1_opt_list *ent; + + for (i = 0; i < opt->arg.l.nr; i++) { + ent = &opt->arg.l.p[i]; + if (*value == ent->i) { + if (ent->str[0] != '\0') + dev_info(&pdev->dev, "%s\n", + ent->str); + return 0; + } + } + } + break; + + default: + break; + } + + dev_info(&pdev->dev, "invalid %s specified (%i) %s\n", + opt->name, *value, opt->err); + *value = opt->def; + return -1; +} + +/* + * atl1_check_options - Range Checking for Command Line Parameters + * @adapter: board private structure + * + * This routine checks all command line parameters for valid user + * input. If an invalid value is given, or if no user specified + * value exists, a default value is used. The final value is stored + * in a variable in the adapter structure. + */ +static void __devinit atl1_check_options(struct atl1_adapter *adapter) +{ + struct pci_dev *pdev = adapter->pdev; + int bd = adapter->bd_number; + if (bd >= ATL1_MAX_NIC) { + dev_notice(&pdev->dev, "no configuration for board#%i\n", bd); + dev_notice(&pdev->dev, "using defaults for all values\n"); + } + { /* Interrupt Moderate Timer */ + struct atl1_option opt = { + .type = range_option, + .name = "Interrupt Moderator Timer", + .err = "using default of " + __MODULE_STRING(DEFAULT_INT_MOD_CNT), + .def = DEFAULT_INT_MOD_CNT, + .arg = {.r = {.min = MIN_INT_MOD_CNT, + .max = MAX_INT_MOD_CNT} } + }; + int val; + if (num_int_mod_timer > bd) { + val = int_mod_timer[bd]; + atl1_validate_option(&val, &opt, pdev); + adapter->imt = (u16) val; + } else + adapter->imt = (u16) (opt.def); + } +} + +/* + * atl1_pci_tbl - PCI Device ID Table + */ +static DEFINE_PCI_DEVICE_TABLE(atl1_pci_tbl) = { + {PCI_DEVICE(PCI_VENDOR_ID_ATTANSIC, PCI_DEVICE_ID_ATTANSIC_L1)}, + /* required last entry */ + {0,} +}; +MODULE_DEVICE_TABLE(pci, atl1_pci_tbl); + +static const u32 atl1_default_msg = NETIF_MSG_DRV | NETIF_MSG_PROBE | + NETIF_MSG_LINK | NETIF_MSG_TIMER | NETIF_MSG_IFDOWN | NETIF_MSG_IFUP; + +static int debug = -1; +module_param(debug, int, 0); +MODULE_PARM_DESC(debug, "Message level (0=none,...,16=all)"); + +/* + * Reset the transmit and receive units; mask and clear all interrupts. + * hw - Struct containing variables accessed by shared code + * return : 0 or idle status (if error) + */ +static s32 atl1_reset_hw(struct atl1_hw *hw) +{ + struct pci_dev *pdev = hw->back->pdev; + struct atl1_adapter *adapter = hw->back; + u32 icr; + int i; + + /* + * Clear Interrupt mask to stop board from generating + * interrupts & Clear any pending interrupt events + */ + /* + * iowrite32(0, hw->hw_addr + REG_IMR); + * iowrite32(0xffffffff, hw->hw_addr + REG_ISR); + */ + + /* + * Issue Soft Reset to the MAC. This will reset the chip's + * transmit, receive, DMA. It will not effect + * the current PCI configuration. The global reset bit is self- + * clearing, and should clear within a microsecond. + */ + iowrite32(MASTER_CTRL_SOFT_RST, hw->hw_addr + REG_MASTER_CTRL); + ioread32(hw->hw_addr + REG_MASTER_CTRL); + + iowrite16(1, hw->hw_addr + REG_PHY_ENABLE); + ioread16(hw->hw_addr + REG_PHY_ENABLE); + + /* delay about 1ms */ + msleep(1); + + /* Wait at least 10ms for All module to be Idle */ + for (i = 0; i < 10; i++) { + icr = ioread32(hw->hw_addr + REG_IDLE_STATUS); + if (!icr) + break; + /* delay 1 ms */ + msleep(1); + /* FIXME: still the right way to do this? */ + cpu_relax(); + } + + if (icr) { + if (netif_msg_hw(adapter)) + dev_dbg(&pdev->dev, "ICR = 0x%x\n", icr); + return icr; + } + + return 0; +} + +/* function about EEPROM + * + * check_eeprom_exist + * return 0 if eeprom exist + */ +static int atl1_check_eeprom_exist(struct atl1_hw *hw) +{ + u32 value; + value = ioread32(hw->hw_addr + REG_SPI_FLASH_CTRL); + if (value & SPI_FLASH_CTRL_EN_VPD) { + value &= ~SPI_FLASH_CTRL_EN_VPD; + iowrite32(value, hw->hw_addr + REG_SPI_FLASH_CTRL); + } + + value = ioread16(hw->hw_addr + REG_PCIE_CAP_LIST); + return ((value & 0xFF00) == 0x6C00) ? 0 : 1; +} + +static bool atl1_read_eeprom(struct atl1_hw *hw, u32 offset, u32 *p_value) +{ + int i; + u32 control; + + if (offset & 3) + /* address do not align */ + return false; + + iowrite32(0, hw->hw_addr + REG_VPD_DATA); + control = (offset & VPD_CAP_VPD_ADDR_MASK) << VPD_CAP_VPD_ADDR_SHIFT; + iowrite32(control, hw->hw_addr + REG_VPD_CAP); + ioread32(hw->hw_addr + REG_VPD_CAP); + + for (i = 0; i < 10; i++) { + msleep(2); + control = ioread32(hw->hw_addr + REG_VPD_CAP); + if (control & VPD_CAP_VPD_FLAG) + break; + } + if (control & VPD_CAP_VPD_FLAG) { + *p_value = ioread32(hw->hw_addr + REG_VPD_DATA); + return true; + } + /* timeout */ + return false; +} + +/* + * Reads the value from a PHY register + * hw - Struct containing variables accessed by shared code + * reg_addr - address of the PHY register to read + */ +static s32 atl1_read_phy_reg(struct atl1_hw *hw, u16 reg_addr, u16 *phy_data) +{ + u32 val; + int i; + + val = ((u32) (reg_addr & MDIO_REG_ADDR_MASK)) << MDIO_REG_ADDR_SHIFT | + MDIO_START | MDIO_SUP_PREAMBLE | MDIO_RW | MDIO_CLK_25_4 << + MDIO_CLK_SEL_SHIFT; + iowrite32(val, hw->hw_addr + REG_MDIO_CTRL); + ioread32(hw->hw_addr + REG_MDIO_CTRL); + + for (i = 0; i < MDIO_WAIT_TIMES; i++) { + udelay(2); + val = ioread32(hw->hw_addr + REG_MDIO_CTRL); + if (!(val & (MDIO_START | MDIO_BUSY))) + break; + } + if (!(val & (MDIO_START | MDIO_BUSY))) { + *phy_data = (u16) val; + return 0; + } + return ATLX_ERR_PHY; +} + +#define CUSTOM_SPI_CS_SETUP 2 +#define CUSTOM_SPI_CLK_HI 2 +#define CUSTOM_SPI_CLK_LO 2 +#define CUSTOM_SPI_CS_HOLD 2 +#define CUSTOM_SPI_CS_HI 3 + +static bool atl1_spi_read(struct atl1_hw *hw, u32 addr, u32 *buf) +{ + int i; + u32 value; + + iowrite32(0, hw->hw_addr + REG_SPI_DATA); + iowrite32(addr, hw->hw_addr + REG_SPI_ADDR); + + value = SPI_FLASH_CTRL_WAIT_READY | + (CUSTOM_SPI_CS_SETUP & SPI_FLASH_CTRL_CS_SETUP_MASK) << + SPI_FLASH_CTRL_CS_SETUP_SHIFT | (CUSTOM_SPI_CLK_HI & + SPI_FLASH_CTRL_CLK_HI_MASK) << + SPI_FLASH_CTRL_CLK_HI_SHIFT | (CUSTOM_SPI_CLK_LO & + SPI_FLASH_CTRL_CLK_LO_MASK) << + SPI_FLASH_CTRL_CLK_LO_SHIFT | (CUSTOM_SPI_CS_HOLD & + SPI_FLASH_CTRL_CS_HOLD_MASK) << + SPI_FLASH_CTRL_CS_HOLD_SHIFT | (CUSTOM_SPI_CS_HI & + SPI_FLASH_CTRL_CS_HI_MASK) << + SPI_FLASH_CTRL_CS_HI_SHIFT | (1 & SPI_FLASH_CTRL_INS_MASK) << + SPI_FLASH_CTRL_INS_SHIFT; + + iowrite32(value, hw->hw_addr + REG_SPI_FLASH_CTRL); + + value |= SPI_FLASH_CTRL_START; + iowrite32(value, hw->hw_addr + REG_SPI_FLASH_CTRL); + ioread32(hw->hw_addr + REG_SPI_FLASH_CTRL); + + for (i = 0; i < 10; i++) { + msleep(1); + value = ioread32(hw->hw_addr + REG_SPI_FLASH_CTRL); + if (!(value & SPI_FLASH_CTRL_START)) + break; + } + + if (value & SPI_FLASH_CTRL_START) + return false; + + *buf = ioread32(hw->hw_addr + REG_SPI_DATA); + + return true; +} + +/* + * get_permanent_address + * return 0 if get valid mac address, + */ +static int atl1_get_permanent_address(struct atl1_hw *hw) +{ + u32 addr[2]; + u32 i, control; + u16 reg; + u8 eth_addr[ETH_ALEN]; + bool key_valid; + + if (is_valid_ether_addr(hw->perm_mac_addr)) + return 0; + + /* init */ + addr[0] = addr[1] = 0; + + if (!atl1_check_eeprom_exist(hw)) { + reg = 0; + key_valid = false; + /* Read out all EEPROM content */ + i = 0; + while (1) { + if (atl1_read_eeprom(hw, i + 0x100, &control)) { + if (key_valid) { + if (reg == REG_MAC_STA_ADDR) + addr[0] = control; + else if (reg == (REG_MAC_STA_ADDR + 4)) + addr[1] = control; + key_valid = false; + } else if ((control & 0xff) == 0x5A) { + key_valid = true; + reg = (u16) (control >> 16); + } else + break; + } else + /* read error */ + break; + i += 4; + } + + *(u32 *) ð_addr[2] = swab32(addr[0]); + *(u16 *) ð_addr[0] = swab16(*(u16 *) &addr[1]); + if (is_valid_ether_addr(eth_addr)) { + memcpy(hw->perm_mac_addr, eth_addr, ETH_ALEN); + return 0; + } + } + + /* see if SPI FLAGS exist ? */ + addr[0] = addr[1] = 0; + reg = 0; + key_valid = false; + i = 0; + while (1) { + if (atl1_spi_read(hw, i + 0x1f000, &control)) { + if (key_valid) { + if (reg == REG_MAC_STA_ADDR) + addr[0] = control; + else if (reg == (REG_MAC_STA_ADDR + 4)) + addr[1] = control; + key_valid = false; + } else if ((control & 0xff) == 0x5A) { + key_valid = true; + reg = (u16) (control >> 16); + } else + /* data end */ + break; + } else + /* read error */ + break; + i += 4; + } + + *(u32 *) ð_addr[2] = swab32(addr[0]); + *(u16 *) ð_addr[0] = swab16(*(u16 *) &addr[1]); + if (is_valid_ether_addr(eth_addr)) { + memcpy(hw->perm_mac_addr, eth_addr, ETH_ALEN); + return 0; + } + + /* + * On some motherboards, the MAC address is written by the + * BIOS directly to the MAC register during POST, and is + * not stored in eeprom. If all else thus far has failed + * to fetch the permanent MAC address, try reading it directly. + */ + addr[0] = ioread32(hw->hw_addr + REG_MAC_STA_ADDR); + addr[1] = ioread16(hw->hw_addr + (REG_MAC_STA_ADDR + 4)); + *(u32 *) ð_addr[2] = swab32(addr[0]); + *(u16 *) ð_addr[0] = swab16(*(u16 *) &addr[1]); + if (is_valid_ether_addr(eth_addr)) { + memcpy(hw->perm_mac_addr, eth_addr, ETH_ALEN); + return 0; + } + + return 1; +} + +/* + * Reads the adapter's MAC address from the EEPROM + * hw - Struct containing variables accessed by shared code + */ +static s32 atl1_read_mac_addr(struct atl1_hw *hw) +{ + u16 i; + + if (atl1_get_permanent_address(hw)) + random_ether_addr(hw->perm_mac_addr); + + for (i = 0; i < ETH_ALEN; i++) + hw->mac_addr[i] = hw->perm_mac_addr[i]; + return 0; +} + +/* + * Hashes an address to determine its location in the multicast table + * hw - Struct containing variables accessed by shared code + * mc_addr - the multicast address to hash + * + * atl1_hash_mc_addr + * purpose + * set hash value for a multicast address + * hash calcu processing : + * 1. calcu 32bit CRC for multicast address + * 2. reverse crc with MSB to LSB + */ +static u32 atl1_hash_mc_addr(struct atl1_hw *hw, u8 *mc_addr) +{ + u32 crc32, value = 0; + int i; + + crc32 = ether_crc_le(6, mc_addr); + for (i = 0; i < 32; i++) + value |= (((crc32 >> i) & 1) << (31 - i)); + + return value; +} + +/* + * Sets the bit in the multicast table corresponding to the hash value. + * hw - Struct containing variables accessed by shared code + * hash_value - Multicast address hash value + */ +static void atl1_hash_set(struct atl1_hw *hw, u32 hash_value) +{ + u32 hash_bit, hash_reg; + u32 mta; + + /* + * The HASH Table is a register array of 2 32-bit registers. + * It is treated like an array of 64 bits. We want to set + * bit BitArray[hash_value]. So we figure out what register + * the bit is in, read it, OR in the new bit, then write + * back the new value. The register is determined by the + * upper 7 bits of the hash value and the bit within that + * register are determined by the lower 5 bits of the value. + */ + hash_reg = (hash_value >> 31) & 0x1; + hash_bit = (hash_value >> 26) & 0x1F; + mta = ioread32((hw->hw_addr + REG_RX_HASH_TABLE) + (hash_reg << 2)); + mta |= (1 << hash_bit); + iowrite32(mta, (hw->hw_addr + REG_RX_HASH_TABLE) + (hash_reg << 2)); +} + +/* + * Writes a value to a PHY register + * hw - Struct containing variables accessed by shared code + * reg_addr - address of the PHY register to write + * data - data to write to the PHY + */ +static s32 atl1_write_phy_reg(struct atl1_hw *hw, u32 reg_addr, u16 phy_data) +{ + int i; + u32 val; + + val = ((u32) (phy_data & MDIO_DATA_MASK)) << MDIO_DATA_SHIFT | + (reg_addr & MDIO_REG_ADDR_MASK) << MDIO_REG_ADDR_SHIFT | + MDIO_SUP_PREAMBLE | + MDIO_START | MDIO_CLK_25_4 << MDIO_CLK_SEL_SHIFT; + iowrite32(val, hw->hw_addr + REG_MDIO_CTRL); + ioread32(hw->hw_addr + REG_MDIO_CTRL); + + for (i = 0; i < MDIO_WAIT_TIMES; i++) { + udelay(2); + val = ioread32(hw->hw_addr + REG_MDIO_CTRL); + if (!(val & (MDIO_START | MDIO_BUSY))) + break; + } + + if (!(val & (MDIO_START | MDIO_BUSY))) + return 0; + + return ATLX_ERR_PHY; +} + +/* + * Make L001's PHY out of Power Saving State (bug) + * hw - Struct containing variables accessed by shared code + * when power on, L001's PHY always on Power saving State + * (Gigabit Link forbidden) + */ +static s32 atl1_phy_leave_power_saving(struct atl1_hw *hw) +{ + s32 ret; + ret = atl1_write_phy_reg(hw, 29, 0x0029); + if (ret) + return ret; + return atl1_write_phy_reg(hw, 30, 0); +} + +/* + * Resets the PHY and make all config validate + * hw - Struct containing variables accessed by shared code + * + * Sets bit 15 and 12 of the MII Control regiser (for F001 bug) + */ +static s32 atl1_phy_reset(struct atl1_hw *hw) +{ + struct pci_dev *pdev = hw->back->pdev; + struct atl1_adapter *adapter = hw->back; + s32 ret_val; + u16 phy_data; + + if (hw->media_type == MEDIA_TYPE_AUTO_SENSOR || + hw->media_type == MEDIA_TYPE_1000M_FULL) + phy_data = MII_CR_RESET | MII_CR_AUTO_NEG_EN; + else { + switch (hw->media_type) { + case MEDIA_TYPE_100M_FULL: + phy_data = + MII_CR_FULL_DUPLEX | MII_CR_SPEED_100 | + MII_CR_RESET; + break; + case MEDIA_TYPE_100M_HALF: + phy_data = MII_CR_SPEED_100 | MII_CR_RESET; + break; + case MEDIA_TYPE_10M_FULL: + phy_data = + MII_CR_FULL_DUPLEX | MII_CR_SPEED_10 | MII_CR_RESET; + break; + default: + /* MEDIA_TYPE_10M_HALF: */ + phy_data = MII_CR_SPEED_10 | MII_CR_RESET; + break; + } + } + + ret_val = atl1_write_phy_reg(hw, MII_BMCR, phy_data); + if (ret_val) { + u32 val; + int i; + /* pcie serdes link may be down! */ + if (netif_msg_hw(adapter)) + dev_dbg(&pdev->dev, "pcie phy link down\n"); + + for (i = 0; i < 25; i++) { + msleep(1); + val = ioread32(hw->hw_addr + REG_MDIO_CTRL); + if (!(val & (MDIO_START | MDIO_BUSY))) + break; + } + + if ((val & (MDIO_START | MDIO_BUSY)) != 0) { + if (netif_msg_hw(adapter)) + dev_warn(&pdev->dev, + "pcie link down at least 25ms\n"); + return ret_val; + } + } + return 0; +} + +/* + * Configures PHY autoneg and flow control advertisement settings + * hw - Struct containing variables accessed by shared code + */ +static s32 atl1_phy_setup_autoneg_adv(struct atl1_hw *hw) +{ + s32 ret_val; + s16 mii_autoneg_adv_reg; + s16 mii_1000t_ctrl_reg; + + /* Read the MII Auto-Neg Advertisement Register (Address 4). */ + mii_autoneg_adv_reg = MII_AR_DEFAULT_CAP_MASK; + + /* Read the MII 1000Base-T Control Register (Address 9). */ + mii_1000t_ctrl_reg = MII_ATLX_CR_1000T_DEFAULT_CAP_MASK; + + /* + * First we clear all the 10/100 mb speed bits in the Auto-Neg + * Advertisement Register (Address 4) and the 1000 mb speed bits in + * the 1000Base-T Control Register (Address 9). + */ + mii_autoneg_adv_reg &= ~MII_AR_SPEED_MASK; + mii_1000t_ctrl_reg &= ~MII_ATLX_CR_1000T_SPEED_MASK; + + /* + * Need to parse media_type and set up + * the appropriate PHY registers. + */ + switch (hw->media_type) { + case MEDIA_TYPE_AUTO_SENSOR: + mii_autoneg_adv_reg |= (MII_AR_10T_HD_CAPS | + MII_AR_10T_FD_CAPS | + MII_AR_100TX_HD_CAPS | + MII_AR_100TX_FD_CAPS); + mii_1000t_ctrl_reg |= MII_ATLX_CR_1000T_FD_CAPS; + break; + + case MEDIA_TYPE_1000M_FULL: + mii_1000t_ctrl_reg |= MII_ATLX_CR_1000T_FD_CAPS; + break; + + case MEDIA_TYPE_100M_FULL: + mii_autoneg_adv_reg |= MII_AR_100TX_FD_CAPS; + break; + + case MEDIA_TYPE_100M_HALF: + mii_autoneg_adv_reg |= MII_AR_100TX_HD_CAPS; + break; + + case MEDIA_TYPE_10M_FULL: + mii_autoneg_adv_reg |= MII_AR_10T_FD_CAPS; + break; + + default: + mii_autoneg_adv_reg |= MII_AR_10T_HD_CAPS; + break; + } + + /* flow control fixed to enable all */ + mii_autoneg_adv_reg |= (MII_AR_ASM_DIR | MII_AR_PAUSE); + + hw->mii_autoneg_adv_reg = mii_autoneg_adv_reg; + hw->mii_1000t_ctrl_reg = mii_1000t_ctrl_reg; + + ret_val = atl1_write_phy_reg(hw, MII_ADVERTISE, mii_autoneg_adv_reg); + if (ret_val) + return ret_val; + + ret_val = atl1_write_phy_reg(hw, MII_ATLX_CR, mii_1000t_ctrl_reg); + if (ret_val) + return ret_val; + + return 0; +} + +/* + * Configures link settings. + * hw - Struct containing variables accessed by shared code + * Assumes the hardware has previously been reset and the + * transmitter and receiver are not enabled. + */ +static s32 atl1_setup_link(struct atl1_hw *hw) +{ + struct pci_dev *pdev = hw->back->pdev; + struct atl1_adapter *adapter = hw->back; + s32 ret_val; + + /* + * Options: + * PHY will advertise value(s) parsed from + * autoneg_advertised and fc + * no matter what autoneg is , We will not wait link result. + */ + ret_val = atl1_phy_setup_autoneg_adv(hw); + if (ret_val) { + if (netif_msg_link(adapter)) + dev_dbg(&pdev->dev, + "error setting up autonegotiation\n"); + return ret_val; + } + /* SW.Reset , En-Auto-Neg if needed */ + ret_val = atl1_phy_reset(hw); + if (ret_val) { + if (netif_msg_link(adapter)) + dev_dbg(&pdev->dev, "error resetting phy\n"); + return ret_val; + } + hw->phy_configured = true; + return ret_val; +} + +static void atl1_init_flash_opcode(struct atl1_hw *hw) +{ + if (hw->flash_vendor >= ARRAY_SIZE(flash_table)) + /* Atmel */ + hw->flash_vendor = 0; + + /* Init OP table */ + iowrite8(flash_table[hw->flash_vendor].cmd_program, + hw->hw_addr + REG_SPI_FLASH_OP_PROGRAM); + iowrite8(flash_table[hw->flash_vendor].cmd_sector_erase, + hw->hw_addr + REG_SPI_FLASH_OP_SC_ERASE); + iowrite8(flash_table[hw->flash_vendor].cmd_chip_erase, + hw->hw_addr + REG_SPI_FLASH_OP_CHIP_ERASE); + iowrite8(flash_table[hw->flash_vendor].cmd_rdid, + hw->hw_addr + REG_SPI_FLASH_OP_RDID); + iowrite8(flash_table[hw->flash_vendor].cmd_wren, + hw->hw_addr + REG_SPI_FLASH_OP_WREN); + iowrite8(flash_table[hw->flash_vendor].cmd_rdsr, + hw->hw_addr + REG_SPI_FLASH_OP_RDSR); + iowrite8(flash_table[hw->flash_vendor].cmd_wrsr, + hw->hw_addr + REG_SPI_FLASH_OP_WRSR); + iowrite8(flash_table[hw->flash_vendor].cmd_read, + hw->hw_addr + REG_SPI_FLASH_OP_READ); +} + +/* + * Performs basic configuration of the adapter. + * hw - Struct containing variables accessed by shared code + * Assumes that the controller has previously been reset and is in a + * post-reset uninitialized state. Initializes multicast table, + * and Calls routines to setup link + * Leaves the transmit and receive units disabled and uninitialized. + */ +static s32 atl1_init_hw(struct atl1_hw *hw) +{ + u32 ret_val = 0; + + /* Zero out the Multicast HASH table */ + iowrite32(0, hw->hw_addr + REG_RX_HASH_TABLE); + /* clear the old settings from the multicast hash table */ + iowrite32(0, (hw->hw_addr + REG_RX_HASH_TABLE) + (1 << 2)); + + atl1_init_flash_opcode(hw); + + if (!hw->phy_configured) { + /* enable GPHY LinkChange Interrrupt */ + ret_val = atl1_write_phy_reg(hw, 18, 0xC00); + if (ret_val) + return ret_val; + /* make PHY out of power-saving state */ + ret_val = atl1_phy_leave_power_saving(hw); + if (ret_val) + return ret_val; + /* Call a subroutine to configure the link */ + ret_val = atl1_setup_link(hw); + } + return ret_val; +} + +/* + * Detects the current speed and duplex settings of the hardware. + * hw - Struct containing variables accessed by shared code + * speed - Speed of the connection + * duplex - Duplex setting of the connection + */ +static s32 atl1_get_speed_and_duplex(struct atl1_hw *hw, u16 *speed, u16 *duplex) +{ + struct pci_dev *pdev = hw->back->pdev; + struct atl1_adapter *adapter = hw->back; + s32 ret_val; + u16 phy_data; + + /* ; --- Read PHY Specific Status Register (17) */ + ret_val = atl1_read_phy_reg(hw, MII_ATLX_PSSR, &phy_data); + if (ret_val) + return ret_val; + + if (!(phy_data & MII_ATLX_PSSR_SPD_DPLX_RESOLVED)) + return ATLX_ERR_PHY_RES; + + switch (phy_data & MII_ATLX_PSSR_SPEED) { + case MII_ATLX_PSSR_1000MBS: + *speed = SPEED_1000; + break; + case MII_ATLX_PSSR_100MBS: + *speed = SPEED_100; + break; + case MII_ATLX_PSSR_10MBS: + *speed = SPEED_10; + break; + default: + if (netif_msg_hw(adapter)) + dev_dbg(&pdev->dev, "error getting speed\n"); + return ATLX_ERR_PHY_SPEED; + break; + } + if (phy_data & MII_ATLX_PSSR_DPLX) + *duplex = FULL_DUPLEX; + else + *duplex = HALF_DUPLEX; + + return 0; +} + +static void atl1_set_mac_addr(struct atl1_hw *hw) +{ + u32 value; + /* + * 00-0B-6A-F6-00-DC + * 0: 6AF600DC 1: 000B + * low dword + */ + value = (((u32) hw->mac_addr[2]) << 24) | + (((u32) hw->mac_addr[3]) << 16) | + (((u32) hw->mac_addr[4]) << 8) | (((u32) hw->mac_addr[5])); + iowrite32(value, hw->hw_addr + REG_MAC_STA_ADDR); + /* high dword */ + value = (((u32) hw->mac_addr[0]) << 8) | (((u32) hw->mac_addr[1])); + iowrite32(value, (hw->hw_addr + REG_MAC_STA_ADDR) + (1 << 2)); +} + +/* + * atl1_sw_init - Initialize general software structures (struct atl1_adapter) + * @adapter: board private structure to initialize + * + * atl1_sw_init initializes the Adapter private data structure. + * Fields are initialized based on PCI device information and + * OS network device settings (MTU size). + */ +static int __devinit atl1_sw_init(struct atl1_adapter *adapter) +{ + struct atl1_hw *hw = &adapter->hw; + struct net_device *netdev = adapter->netdev; + + hw->max_frame_size = netdev->mtu + ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN; + hw->min_frame_size = ETH_ZLEN + ETH_FCS_LEN; + + adapter->wol = 0; + device_set_wakeup_enable(&adapter->pdev->dev, false); + adapter->rx_buffer_len = (hw->max_frame_size + 7) & ~7; + adapter->ict = 50000; /* 100ms */ + adapter->link_speed = SPEED_0; /* hardware init */ + adapter->link_duplex = FULL_DUPLEX; + + hw->phy_configured = false; + hw->preamble_len = 7; + hw->ipgt = 0x60; + hw->min_ifg = 0x50; + hw->ipgr1 = 0x40; + hw->ipgr2 = 0x60; + hw->max_retry = 0xf; + hw->lcol = 0x37; + hw->jam_ipg = 7; + hw->rfd_burst = 8; + hw->rrd_burst = 8; + hw->rfd_fetch_gap = 1; + hw->rx_jumbo_th = adapter->rx_buffer_len / 8; + hw->rx_jumbo_lkah = 1; + hw->rrd_ret_timer = 16; + hw->tpd_burst = 4; + hw->tpd_fetch_th = 16; + hw->txf_burst = 0x100; + hw->tx_jumbo_task_th = (hw->max_frame_size + 7) >> 3; + hw->tpd_fetch_gap = 1; + hw->rcb_value = atl1_rcb_64; + hw->dma_ord = atl1_dma_ord_enh; + hw->dmar_block = atl1_dma_req_256; + hw->dmaw_block = atl1_dma_req_256; + hw->cmb_rrd = 4; + hw->cmb_tpd = 4; + hw->cmb_rx_timer = 1; /* about 2us */ + hw->cmb_tx_timer = 1; /* about 2us */ + hw->smb_timer = 100000; /* about 200ms */ + + spin_lock_init(&adapter->lock); + spin_lock_init(&adapter->mb_lock); + + return 0; +} + +static int mdio_read(struct net_device *netdev, int phy_id, int reg_num) +{ + struct atl1_adapter *adapter = netdev_priv(netdev); + u16 result; + + atl1_read_phy_reg(&adapter->hw, reg_num & 0x1f, &result); + + return result; +} + +static void mdio_write(struct net_device *netdev, int phy_id, int reg_num, + int val) +{ + struct atl1_adapter *adapter = netdev_priv(netdev); + + atl1_write_phy_reg(&adapter->hw, reg_num, val); +} + +/* + * atl1_mii_ioctl - + * @netdev: + * @ifreq: + * @cmd: + */ +static int atl1_mii_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) +{ + struct atl1_adapter *adapter = netdev_priv(netdev); + unsigned long flags; + int retval; + + if (!netif_running(netdev)) + return -EINVAL; + + spin_lock_irqsave(&adapter->lock, flags); + retval = generic_mii_ioctl(&adapter->mii, if_mii(ifr), cmd, NULL); + spin_unlock_irqrestore(&adapter->lock, flags); + + return retval; +} + +/* + * atl1_setup_mem_resources - allocate Tx / RX descriptor resources + * @adapter: board private structure + * + * Return 0 on success, negative on failure + */ +static s32 atl1_setup_ring_resources(struct atl1_adapter *adapter) +{ + struct atl1_tpd_ring *tpd_ring = &adapter->tpd_ring; + struct atl1_rfd_ring *rfd_ring = &adapter->rfd_ring; + struct atl1_rrd_ring *rrd_ring = &adapter->rrd_ring; + struct atl1_ring_header *ring_header = &adapter->ring_header; + struct pci_dev *pdev = adapter->pdev; + int size; + u8 offset = 0; + + size = sizeof(struct atl1_buffer) * (tpd_ring->count + rfd_ring->count); + tpd_ring->buffer_info = kzalloc(size, GFP_KERNEL); + if (unlikely(!tpd_ring->buffer_info)) { + if (netif_msg_drv(adapter)) + dev_err(&pdev->dev, "kzalloc failed , size = D%d\n", + size); + goto err_nomem; + } + rfd_ring->buffer_info = + (struct atl1_buffer *)(tpd_ring->buffer_info + tpd_ring->count); + + /* + * real ring DMA buffer + * each ring/block may need up to 8 bytes for alignment, hence the + * additional 40 bytes tacked onto the end. + */ + ring_header->size = size = + sizeof(struct tx_packet_desc) * tpd_ring->count + + sizeof(struct rx_free_desc) * rfd_ring->count + + sizeof(struct rx_return_desc) * rrd_ring->count + + sizeof(struct coals_msg_block) + + sizeof(struct stats_msg_block) + + 40; + + ring_header->desc = pci_alloc_consistent(pdev, ring_header->size, + &ring_header->dma); + if (unlikely(!ring_header->desc)) { + if (netif_msg_drv(adapter)) + dev_err(&pdev->dev, "pci_alloc_consistent failed\n"); + goto err_nomem; + } + + memset(ring_header->desc, 0, ring_header->size); + + /* init TPD ring */ + tpd_ring->dma = ring_header->dma; + offset = (tpd_ring->dma & 0x7) ? (8 - (ring_header->dma & 0x7)) : 0; + tpd_ring->dma += offset; + tpd_ring->desc = (u8 *) ring_header->desc + offset; + tpd_ring->size = sizeof(struct tx_packet_desc) * tpd_ring->count; + + /* init RFD ring */ + rfd_ring->dma = tpd_ring->dma + tpd_ring->size; + offset = (rfd_ring->dma & 0x7) ? (8 - (rfd_ring->dma & 0x7)) : 0; + rfd_ring->dma += offset; + rfd_ring->desc = (u8 *) tpd_ring->desc + (tpd_ring->size + offset); + rfd_ring->size = sizeof(struct rx_free_desc) * rfd_ring->count; + + + /* init RRD ring */ + rrd_ring->dma = rfd_ring->dma + rfd_ring->size; + offset = (rrd_ring->dma & 0x7) ? (8 - (rrd_ring->dma & 0x7)) : 0; + rrd_ring->dma += offset; + rrd_ring->desc = (u8 *) rfd_ring->desc + (rfd_ring->size + offset); + rrd_ring->size = sizeof(struct rx_return_desc) * rrd_ring->count; + + + /* init CMB */ + adapter->cmb.dma = rrd_ring->dma + rrd_ring->size; + offset = (adapter->cmb.dma & 0x7) ? (8 - (adapter->cmb.dma & 0x7)) : 0; + adapter->cmb.dma += offset; + adapter->cmb.cmb = (struct coals_msg_block *) + ((u8 *) rrd_ring->desc + (rrd_ring->size + offset)); + + /* init SMB */ + adapter->smb.dma = adapter->cmb.dma + sizeof(struct coals_msg_block); + offset = (adapter->smb.dma & 0x7) ? (8 - (adapter->smb.dma & 0x7)) : 0; + adapter->smb.dma += offset; + adapter->smb.smb = (struct stats_msg_block *) + ((u8 *) adapter->cmb.cmb + + (sizeof(struct coals_msg_block) + offset)); + + return 0; + +err_nomem: + kfree(tpd_ring->buffer_info); + return -ENOMEM; +} + +static void atl1_init_ring_ptrs(struct atl1_adapter *adapter) +{ + struct atl1_tpd_ring *tpd_ring = &adapter->tpd_ring; + struct atl1_rfd_ring *rfd_ring = &adapter->rfd_ring; + struct atl1_rrd_ring *rrd_ring = &adapter->rrd_ring; + + atomic_set(&tpd_ring->next_to_use, 0); + atomic_set(&tpd_ring->next_to_clean, 0); + + rfd_ring->next_to_clean = 0; + atomic_set(&rfd_ring->next_to_use, 0); + + rrd_ring->next_to_use = 0; + atomic_set(&rrd_ring->next_to_clean, 0); +} + +/* + * atl1_clean_rx_ring - Free RFD Buffers + * @adapter: board private structure + */ +static void atl1_clean_rx_ring(struct atl1_adapter *adapter) +{ + struct atl1_rfd_ring *rfd_ring = &adapter->rfd_ring; + struct atl1_rrd_ring *rrd_ring = &adapter->rrd_ring; + struct atl1_buffer *buffer_info; + struct pci_dev *pdev = adapter->pdev; + unsigned long size; + unsigned int i; + + /* Free all the Rx ring sk_buffs */ + for (i = 0; i < rfd_ring->count; i++) { + buffer_info = &rfd_ring->buffer_info[i]; + if (buffer_info->dma) { + pci_unmap_page(pdev, buffer_info->dma, + buffer_info->length, PCI_DMA_FROMDEVICE); + buffer_info->dma = 0; + } + if (buffer_info->skb) { + dev_kfree_skb(buffer_info->skb); + buffer_info->skb = NULL; + } + } + + size = sizeof(struct atl1_buffer) * rfd_ring->count; + memset(rfd_ring->buffer_info, 0, size); + + /* Zero out the descriptor ring */ + memset(rfd_ring->desc, 0, rfd_ring->size); + + rfd_ring->next_to_clean = 0; + atomic_set(&rfd_ring->next_to_use, 0); + + rrd_ring->next_to_use = 0; + atomic_set(&rrd_ring->next_to_clean, 0); +} + +/* + * atl1_clean_tx_ring - Free Tx Buffers + * @adapter: board private structure + */ +static void atl1_clean_tx_ring(struct atl1_adapter *adapter) +{ + struct atl1_tpd_ring *tpd_ring = &adapter->tpd_ring; + struct atl1_buffer *buffer_info; + struct pci_dev *pdev = adapter->pdev; + unsigned long size; + unsigned int i; + + /* Free all the Tx ring sk_buffs */ + for (i = 0; i < tpd_ring->count; i++) { + buffer_info = &tpd_ring->buffer_info[i]; + if (buffer_info->dma) { + pci_unmap_page(pdev, buffer_info->dma, + buffer_info->length, PCI_DMA_TODEVICE); + buffer_info->dma = 0; + } + } + + for (i = 0; i < tpd_ring->count; i++) { + buffer_info = &tpd_ring->buffer_info[i]; + if (buffer_info->skb) { + dev_kfree_skb_any(buffer_info->skb); + buffer_info->skb = NULL; + } + } + + size = sizeof(struct atl1_buffer) * tpd_ring->count; + memset(tpd_ring->buffer_info, 0, size); + + /* Zero out the descriptor ring */ + memset(tpd_ring->desc, 0, tpd_ring->size); + + atomic_set(&tpd_ring->next_to_use, 0); + atomic_set(&tpd_ring->next_to_clean, 0); +} + +/* + * atl1_free_ring_resources - Free Tx / RX descriptor Resources + * @adapter: board private structure + * + * Free all transmit software resources + */ +static void atl1_free_ring_resources(struct atl1_adapter *adapter) +{ + struct pci_dev *pdev = adapter->pdev; + struct atl1_tpd_ring *tpd_ring = &adapter->tpd_ring; + struct atl1_rfd_ring *rfd_ring = &adapter->rfd_ring; + struct atl1_rrd_ring *rrd_ring = &adapter->rrd_ring; + struct atl1_ring_header *ring_header = &adapter->ring_header; + + atl1_clean_tx_ring(adapter); + atl1_clean_rx_ring(adapter); + + kfree(tpd_ring->buffer_info); + pci_free_consistent(pdev, ring_header->size, ring_header->desc, + ring_header->dma); + + tpd_ring->buffer_info = NULL; + tpd_ring->desc = NULL; + tpd_ring->dma = 0; + + rfd_ring->buffer_info = NULL; + rfd_ring->desc = NULL; + rfd_ring->dma = 0; + + rrd_ring->desc = NULL; + rrd_ring->dma = 0; + + adapter->cmb.dma = 0; + adapter->cmb.cmb = NULL; + + adapter->smb.dma = 0; + adapter->smb.smb = NULL; +} + +static void atl1_setup_mac_ctrl(struct atl1_adapter *adapter) +{ + u32 value; + struct atl1_hw *hw = &adapter->hw; + struct net_device *netdev = adapter->netdev; + /* Config MAC CTRL Register */ + value = MAC_CTRL_TX_EN | MAC_CTRL_RX_EN; + /* duplex */ + if (FULL_DUPLEX == adapter->link_duplex) + value |= MAC_CTRL_DUPLX; + /* speed */ + value |= ((u32) ((SPEED_1000 == adapter->link_speed) ? + MAC_CTRL_SPEED_1000 : MAC_CTRL_SPEED_10_100) << + MAC_CTRL_SPEED_SHIFT); + /* flow control */ + value |= (MAC_CTRL_TX_FLOW | MAC_CTRL_RX_FLOW); + /* PAD & CRC */ + value |= (MAC_CTRL_ADD_CRC | MAC_CTRL_PAD); + /* preamble length */ + value |= (((u32) adapter->hw.preamble_len + & MAC_CTRL_PRMLEN_MASK) << MAC_CTRL_PRMLEN_SHIFT); + /* vlan */ + __atlx_vlan_mode(netdev->features, &value); + /* rx checksum + if (adapter->rx_csum) + value |= MAC_CTRL_RX_CHKSUM_EN; + */ + /* filter mode */ + value |= MAC_CTRL_BC_EN; + if (netdev->flags & IFF_PROMISC) + value |= MAC_CTRL_PROMIS_EN; + else if (netdev->flags & IFF_ALLMULTI) + value |= MAC_CTRL_MC_ALL_EN; + /* value |= MAC_CTRL_LOOPBACK; */ + iowrite32(value, hw->hw_addr + REG_MAC_CTRL); +} + +static u32 atl1_check_link(struct atl1_adapter *adapter) +{ + struct atl1_hw *hw = &adapter->hw; + struct net_device *netdev = adapter->netdev; + u32 ret_val; + u16 speed, duplex, phy_data; + int reconfig = 0; + + /* MII_BMSR must read twice */ + atl1_read_phy_reg(hw, MII_BMSR, &phy_data); + atl1_read_phy_reg(hw, MII_BMSR, &phy_data); + if (!(phy_data & BMSR_LSTATUS)) { + /* link down */ + if (netif_carrier_ok(netdev)) { + /* old link state: Up */ + if (netif_msg_link(adapter)) + dev_info(&adapter->pdev->dev, "link is down\n"); + adapter->link_speed = SPEED_0; + netif_carrier_off(netdev); + } + return 0; + } + + /* Link Up */ + ret_val = atl1_get_speed_and_duplex(hw, &speed, &duplex); + if (ret_val) + return ret_val; + + switch (hw->media_type) { + case MEDIA_TYPE_1000M_FULL: + if (speed != SPEED_1000 || duplex != FULL_DUPLEX) + reconfig = 1; + break; + case MEDIA_TYPE_100M_FULL: + if (speed != SPEED_100 || duplex != FULL_DUPLEX) + reconfig = 1; + break; + case MEDIA_TYPE_100M_HALF: + if (speed != SPEED_100 || duplex != HALF_DUPLEX) + reconfig = 1; + break; + case MEDIA_TYPE_10M_FULL: + if (speed != SPEED_10 || duplex != FULL_DUPLEX) + reconfig = 1; + break; + case MEDIA_TYPE_10M_HALF: + if (speed != SPEED_10 || duplex != HALF_DUPLEX) + reconfig = 1; + break; + } + + /* link result is our setting */ + if (!reconfig) { + if (adapter->link_speed != speed || + adapter->link_duplex != duplex) { + adapter->link_speed = speed; + adapter->link_duplex = duplex; + atl1_setup_mac_ctrl(adapter); + if (netif_msg_link(adapter)) + dev_info(&adapter->pdev->dev, + "%s link is up %d Mbps %s\n", + netdev->name, adapter->link_speed, + adapter->link_duplex == FULL_DUPLEX ? + "full duplex" : "half duplex"); + } + if (!netif_carrier_ok(netdev)) { + /* Link down -> Up */ + netif_carrier_on(netdev); + } + return 0; + } + + /* change original link status */ + if (netif_carrier_ok(netdev)) { + adapter->link_speed = SPEED_0; + netif_carrier_off(netdev); + netif_stop_queue(netdev); + } + + if (hw->media_type != MEDIA_TYPE_AUTO_SENSOR && + hw->media_type != MEDIA_TYPE_1000M_FULL) { + switch (hw->media_type) { + case MEDIA_TYPE_100M_FULL: + phy_data = MII_CR_FULL_DUPLEX | MII_CR_SPEED_100 | + MII_CR_RESET; + break; + case MEDIA_TYPE_100M_HALF: + phy_data = MII_CR_SPEED_100 | MII_CR_RESET; + break; + case MEDIA_TYPE_10M_FULL: + phy_data = + MII_CR_FULL_DUPLEX | MII_CR_SPEED_10 | MII_CR_RESET; + break; + default: + /* MEDIA_TYPE_10M_HALF: */ + phy_data = MII_CR_SPEED_10 | MII_CR_RESET; + break; + } + atl1_write_phy_reg(hw, MII_BMCR, phy_data); + return 0; + } + + /* auto-neg, insert timer to re-config phy */ + if (!adapter->phy_timer_pending) { + adapter->phy_timer_pending = true; + mod_timer(&adapter->phy_config_timer, + round_jiffies(jiffies + 3 * HZ)); + } + + return 0; +} + +static void set_flow_ctrl_old(struct atl1_adapter *adapter) +{ + u32 hi, lo, value; + + /* RFD Flow Control */ + value = adapter->rfd_ring.count; + hi = value / 16; + if (hi < 2) + hi = 2; + lo = value * 7 / 8; + + value = ((hi & RXQ_RXF_PAUSE_TH_HI_MASK) << RXQ_RXF_PAUSE_TH_HI_SHIFT) | + ((lo & RXQ_RXF_PAUSE_TH_LO_MASK) << RXQ_RXF_PAUSE_TH_LO_SHIFT); + iowrite32(value, adapter->hw.hw_addr + REG_RXQ_RXF_PAUSE_THRESH); + + /* RRD Flow Control */ + value = adapter->rrd_ring.count; + lo = value / 16; + hi = value * 7 / 8; + if (lo < 2) + lo = 2; + value = ((hi & RXQ_RRD_PAUSE_TH_HI_MASK) << RXQ_RRD_PAUSE_TH_HI_SHIFT) | + ((lo & RXQ_RRD_PAUSE_TH_LO_MASK) << RXQ_RRD_PAUSE_TH_LO_SHIFT); + iowrite32(value, adapter->hw.hw_addr + REG_RXQ_RRD_PAUSE_THRESH); +} + +static void set_flow_ctrl_new(struct atl1_hw *hw) +{ + u32 hi, lo, value; + + /* RXF Flow Control */ + value = ioread32(hw->hw_addr + REG_SRAM_RXF_LEN); + lo = value / 16; + if (lo < 192) + lo = 192; + hi = value * 7 / 8; + if (hi < lo) + hi = lo + 16; + value = ((hi & RXQ_RXF_PAUSE_TH_HI_MASK) << RXQ_RXF_PAUSE_TH_HI_SHIFT) | + ((lo & RXQ_RXF_PAUSE_TH_LO_MASK) << RXQ_RXF_PAUSE_TH_LO_SHIFT); + iowrite32(value, hw->hw_addr + REG_RXQ_RXF_PAUSE_THRESH); + + /* RRD Flow Control */ + value = ioread32(hw->hw_addr + REG_SRAM_RRD_LEN); + lo = value / 8; + hi = value * 7 / 8; + if (lo < 2) + lo = 2; + if (hi < lo) + hi = lo + 3; + value = ((hi & RXQ_RRD_PAUSE_TH_HI_MASK) << RXQ_RRD_PAUSE_TH_HI_SHIFT) | + ((lo & RXQ_RRD_PAUSE_TH_LO_MASK) << RXQ_RRD_PAUSE_TH_LO_SHIFT); + iowrite32(value, hw->hw_addr + REG_RXQ_RRD_PAUSE_THRESH); +} + +/* + * atl1_configure - Configure Transmit&Receive Unit after Reset + * @adapter: board private structure + * + * Configure the Tx /Rx unit of the MAC after a reset. + */ +static u32 atl1_configure(struct atl1_adapter *adapter) +{ + struct atl1_hw *hw = &adapter->hw; + u32 value; + + /* clear interrupt status */ + iowrite32(0xffffffff, adapter->hw.hw_addr + REG_ISR); + + /* set MAC Address */ + value = (((u32) hw->mac_addr[2]) << 24) | + (((u32) hw->mac_addr[3]) << 16) | + (((u32) hw->mac_addr[4]) << 8) | + (((u32) hw->mac_addr[5])); + iowrite32(value, hw->hw_addr + REG_MAC_STA_ADDR); + value = (((u32) hw->mac_addr[0]) << 8) | (((u32) hw->mac_addr[1])); + iowrite32(value, hw->hw_addr + (REG_MAC_STA_ADDR + 4)); + + /* tx / rx ring */ + + /* HI base address */ + iowrite32((u32) ((adapter->tpd_ring.dma & 0xffffffff00000000ULL) >> 32), + hw->hw_addr + REG_DESC_BASE_ADDR_HI); + /* LO base address */ + iowrite32((u32) (adapter->rfd_ring.dma & 0x00000000ffffffffULL), + hw->hw_addr + REG_DESC_RFD_ADDR_LO); + iowrite32((u32) (adapter->rrd_ring.dma & 0x00000000ffffffffULL), + hw->hw_addr + REG_DESC_RRD_ADDR_LO); + iowrite32((u32) (adapter->tpd_ring.dma & 0x00000000ffffffffULL), + hw->hw_addr + REG_DESC_TPD_ADDR_LO); + iowrite32((u32) (adapter->cmb.dma & 0x00000000ffffffffULL), + hw->hw_addr + REG_DESC_CMB_ADDR_LO); + iowrite32((u32) (adapter->smb.dma & 0x00000000ffffffffULL), + hw->hw_addr + REG_DESC_SMB_ADDR_LO); + + /* element count */ + value = adapter->rrd_ring.count; + value <<= 16; + value += adapter->rfd_ring.count; + iowrite32(value, hw->hw_addr + REG_DESC_RFD_RRD_RING_SIZE); + iowrite32(adapter->tpd_ring.count, hw->hw_addr + + REG_DESC_TPD_RING_SIZE); + + /* Load Ptr */ + iowrite32(1, hw->hw_addr + REG_LOAD_PTR); + + /* config Mailbox */ + value = ((atomic_read(&adapter->tpd_ring.next_to_use) + & MB_TPD_PROD_INDX_MASK) << MB_TPD_PROD_INDX_SHIFT) | + ((atomic_read(&adapter->rrd_ring.next_to_clean) + & MB_RRD_CONS_INDX_MASK) << MB_RRD_CONS_INDX_SHIFT) | + ((atomic_read(&adapter->rfd_ring.next_to_use) + & MB_RFD_PROD_INDX_MASK) << MB_RFD_PROD_INDX_SHIFT); + iowrite32(value, hw->hw_addr + REG_MAILBOX); + + /* config IPG/IFG */ + value = (((u32) hw->ipgt & MAC_IPG_IFG_IPGT_MASK) + << MAC_IPG_IFG_IPGT_SHIFT) | + (((u32) hw->min_ifg & MAC_IPG_IFG_MIFG_MASK) + << MAC_IPG_IFG_MIFG_SHIFT) | + (((u32) hw->ipgr1 & MAC_IPG_IFG_IPGR1_MASK) + << MAC_IPG_IFG_IPGR1_SHIFT) | + (((u32) hw->ipgr2 & MAC_IPG_IFG_IPGR2_MASK) + << MAC_IPG_IFG_IPGR2_SHIFT); + iowrite32(value, hw->hw_addr + REG_MAC_IPG_IFG); + + /* config Half-Duplex Control */ + value = ((u32) hw->lcol & MAC_HALF_DUPLX_CTRL_LCOL_MASK) | + (((u32) hw->max_retry & MAC_HALF_DUPLX_CTRL_RETRY_MASK) + << MAC_HALF_DUPLX_CTRL_RETRY_SHIFT) | + MAC_HALF_DUPLX_CTRL_EXC_DEF_EN | + (0xa << MAC_HALF_DUPLX_CTRL_ABEBT_SHIFT) | + (((u32) hw->jam_ipg & MAC_HALF_DUPLX_CTRL_JAMIPG_MASK) + << MAC_HALF_DUPLX_CTRL_JAMIPG_SHIFT); + iowrite32(value, hw->hw_addr + REG_MAC_HALF_DUPLX_CTRL); + + /* set Interrupt Moderator Timer */ + iowrite16(adapter->imt, hw->hw_addr + REG_IRQ_MODU_TIMER_INIT); + iowrite32(MASTER_CTRL_ITIMER_EN, hw->hw_addr + REG_MASTER_CTRL); + + /* set Interrupt Clear Timer */ + iowrite16(adapter->ict, hw->hw_addr + REG_CMBDISDMA_TIMER); + + /* set max frame size hw will accept */ + iowrite32(hw->max_frame_size, hw->hw_addr + REG_MTU); + + /* jumbo size & rrd retirement timer */ + value = (((u32) hw->rx_jumbo_th & RXQ_JMBOSZ_TH_MASK) + << RXQ_JMBOSZ_TH_SHIFT) | + (((u32) hw->rx_jumbo_lkah & RXQ_JMBO_LKAH_MASK) + << RXQ_JMBO_LKAH_SHIFT) | + (((u32) hw->rrd_ret_timer & RXQ_RRD_TIMER_MASK) + << RXQ_RRD_TIMER_SHIFT); + iowrite32(value, hw->hw_addr + REG_RXQ_JMBOSZ_RRDTIM); + + /* Flow Control */ + switch (hw->dev_rev) { + case 0x8001: + case 0x9001: + case 0x9002: + case 0x9003: + set_flow_ctrl_old(adapter); + break; + default: + set_flow_ctrl_new(hw); + break; + } + + /* config TXQ */ + value = (((u32) hw->tpd_burst & TXQ_CTRL_TPD_BURST_NUM_MASK) + << TXQ_CTRL_TPD_BURST_NUM_SHIFT) | + (((u32) hw->txf_burst & TXQ_CTRL_TXF_BURST_NUM_MASK) + << TXQ_CTRL_TXF_BURST_NUM_SHIFT) | + (((u32) hw->tpd_fetch_th & TXQ_CTRL_TPD_FETCH_TH_MASK) + << TXQ_CTRL_TPD_FETCH_TH_SHIFT) | TXQ_CTRL_ENH_MODE | + TXQ_CTRL_EN; + iowrite32(value, hw->hw_addr + REG_TXQ_CTRL); + + /* min tpd fetch gap & tx jumbo packet size threshold for taskoffload */ + value = (((u32) hw->tx_jumbo_task_th & TX_JUMBO_TASK_TH_MASK) + << TX_JUMBO_TASK_TH_SHIFT) | + (((u32) hw->tpd_fetch_gap & TX_TPD_MIN_IPG_MASK) + << TX_TPD_MIN_IPG_SHIFT); + iowrite32(value, hw->hw_addr + REG_TX_JUMBO_TASK_TH_TPD_IPG); + + /* config RXQ */ + value = (((u32) hw->rfd_burst & RXQ_CTRL_RFD_BURST_NUM_MASK) + << RXQ_CTRL_RFD_BURST_NUM_SHIFT) | + (((u32) hw->rrd_burst & RXQ_CTRL_RRD_BURST_THRESH_MASK) + << RXQ_CTRL_RRD_BURST_THRESH_SHIFT) | + (((u32) hw->rfd_fetch_gap & RXQ_CTRL_RFD_PREF_MIN_IPG_MASK) + << RXQ_CTRL_RFD_PREF_MIN_IPG_SHIFT) | RXQ_CTRL_CUT_THRU_EN | + RXQ_CTRL_EN; + iowrite32(value, hw->hw_addr + REG_RXQ_CTRL); + + /* config DMA Engine */ + value = ((((u32) hw->dmar_block) & DMA_CTRL_DMAR_BURST_LEN_MASK) + << DMA_CTRL_DMAR_BURST_LEN_SHIFT) | + ((((u32) hw->dmaw_block) & DMA_CTRL_DMAW_BURST_LEN_MASK) + << DMA_CTRL_DMAW_BURST_LEN_SHIFT) | DMA_CTRL_DMAR_EN | + DMA_CTRL_DMAW_EN; + value |= (u32) hw->dma_ord; + if (atl1_rcb_128 == hw->rcb_value) + value |= DMA_CTRL_RCB_VALUE; + iowrite32(value, hw->hw_addr + REG_DMA_CTRL); + + /* config CMB / SMB */ + value = (hw->cmb_tpd > adapter->tpd_ring.count) ? + hw->cmb_tpd : adapter->tpd_ring.count; + value <<= 16; + value |= hw->cmb_rrd; + iowrite32(value, hw->hw_addr + REG_CMB_WRITE_TH); + value = hw->cmb_rx_timer | ((u32) hw->cmb_tx_timer << 16); + iowrite32(value, hw->hw_addr + REG_CMB_WRITE_TIMER); + iowrite32(hw->smb_timer, hw->hw_addr + REG_SMB_TIMER); + + /* --- enable CMB / SMB */ + value = CSMB_CTRL_CMB_EN | CSMB_CTRL_SMB_EN; + iowrite32(value, hw->hw_addr + REG_CSMB_CTRL); + + value = ioread32(adapter->hw.hw_addr + REG_ISR); + if (unlikely((value & ISR_PHY_LINKDOWN) != 0)) + value = 1; /* config failed */ + else + value = 0; + + /* clear all interrupt status */ + iowrite32(0x3fffffff, adapter->hw.hw_addr + REG_ISR); + iowrite32(0, adapter->hw.hw_addr + REG_ISR); + return value; +} + +/* + * atl1_pcie_patch - Patch for PCIE module + */ +static void atl1_pcie_patch(struct atl1_adapter *adapter) +{ + u32 value; + + /* much vendor magic here */ + value = 0x6500; + iowrite32(value, adapter->hw.hw_addr + 0x12FC); + /* pcie flow control mode change */ + value = ioread32(adapter->hw.hw_addr + 0x1008); + value |= 0x8000; + iowrite32(value, adapter->hw.hw_addr + 0x1008); +} + +/* + * When ACPI resume on some VIA MotherBoard, the Interrupt Disable bit/0x400 + * on PCI Command register is disable. + * The function enable this bit. + * Brackett, 2006/03/15 + */ +static void atl1_via_workaround(struct atl1_adapter *adapter) +{ + unsigned long value; + + value = ioread16(adapter->hw.hw_addr + PCI_COMMAND); + if (value & PCI_COMMAND_INTX_DISABLE) + value &= ~PCI_COMMAND_INTX_DISABLE; + iowrite32(value, adapter->hw.hw_addr + PCI_COMMAND); +} + +static void atl1_inc_smb(struct atl1_adapter *adapter) +{ + struct net_device *netdev = adapter->netdev; + struct stats_msg_block *smb = adapter->smb.smb; + + /* Fill out the OS statistics structure */ + adapter->soft_stats.rx_packets += smb->rx_ok; + adapter->soft_stats.tx_packets += smb->tx_ok; + adapter->soft_stats.rx_bytes += smb->rx_byte_cnt; + adapter->soft_stats.tx_bytes += smb->tx_byte_cnt; + adapter->soft_stats.multicast += smb->rx_mcast; + adapter->soft_stats.collisions += (smb->tx_1_col + smb->tx_2_col * 2 + + smb->tx_late_col + smb->tx_abort_col * adapter->hw.max_retry); + + /* Rx Errors */ + adapter->soft_stats.rx_errors += (smb->rx_frag + smb->rx_fcs_err + + smb->rx_len_err + smb->rx_sz_ov + smb->rx_rxf_ov + + smb->rx_rrd_ov + smb->rx_align_err); + adapter->soft_stats.rx_fifo_errors += smb->rx_rxf_ov; + adapter->soft_stats.rx_length_errors += smb->rx_len_err; + adapter->soft_stats.rx_crc_errors += smb->rx_fcs_err; + adapter->soft_stats.rx_frame_errors += smb->rx_align_err; + adapter->soft_stats.rx_missed_errors += (smb->rx_rrd_ov + + smb->rx_rxf_ov); + + adapter->soft_stats.rx_pause += smb->rx_pause; + adapter->soft_stats.rx_rrd_ov += smb->rx_rrd_ov; + adapter->soft_stats.rx_trunc += smb->rx_sz_ov; + + /* Tx Errors */ + adapter->soft_stats.tx_errors += (smb->tx_late_col + + smb->tx_abort_col + smb->tx_underrun + smb->tx_trunc); + adapter->soft_stats.tx_fifo_errors += smb->tx_underrun; + adapter->soft_stats.tx_aborted_errors += smb->tx_abort_col; + adapter->soft_stats.tx_window_errors += smb->tx_late_col; + + adapter->soft_stats.excecol += smb->tx_abort_col; + adapter->soft_stats.deffer += smb->tx_defer; + adapter->soft_stats.scc += smb->tx_1_col; + adapter->soft_stats.mcc += smb->tx_2_col; + adapter->soft_stats.latecol += smb->tx_late_col; + adapter->soft_stats.tx_underun += smb->tx_underrun; + adapter->soft_stats.tx_trunc += smb->tx_trunc; + adapter->soft_stats.tx_pause += smb->tx_pause; + + netdev->stats.rx_packets = adapter->soft_stats.rx_packets; + netdev->stats.tx_packets = adapter->soft_stats.tx_packets; + netdev->stats.rx_bytes = adapter->soft_stats.rx_bytes; + netdev->stats.tx_bytes = adapter->soft_stats.tx_bytes; + netdev->stats.multicast = adapter->soft_stats.multicast; + netdev->stats.collisions = adapter->soft_stats.collisions; + netdev->stats.rx_errors = adapter->soft_stats.rx_errors; + netdev->stats.rx_over_errors = + adapter->soft_stats.rx_missed_errors; + netdev->stats.rx_length_errors = + adapter->soft_stats.rx_length_errors; + netdev->stats.rx_crc_errors = adapter->soft_stats.rx_crc_errors; + netdev->stats.rx_frame_errors = + adapter->soft_stats.rx_frame_errors; + netdev->stats.rx_fifo_errors = adapter->soft_stats.rx_fifo_errors; + netdev->stats.rx_missed_errors = + adapter->soft_stats.rx_missed_errors; + netdev->stats.tx_errors = adapter->soft_stats.tx_errors; + netdev->stats.tx_fifo_errors = adapter->soft_stats.tx_fifo_errors; + netdev->stats.tx_aborted_errors = + adapter->soft_stats.tx_aborted_errors; + netdev->stats.tx_window_errors = + adapter->soft_stats.tx_window_errors; + netdev->stats.tx_carrier_errors = + adapter->soft_stats.tx_carrier_errors; +} + +static void atl1_update_mailbox(struct atl1_adapter *adapter) +{ + unsigned long flags; + u32 tpd_next_to_use; + u32 rfd_next_to_use; + u32 rrd_next_to_clean; + u32 value; + + spin_lock_irqsave(&adapter->mb_lock, flags); + + tpd_next_to_use = atomic_read(&adapter->tpd_ring.next_to_use); + rfd_next_to_use = atomic_read(&adapter->rfd_ring.next_to_use); + rrd_next_to_clean = atomic_read(&adapter->rrd_ring.next_to_clean); + + value = ((rfd_next_to_use & MB_RFD_PROD_INDX_MASK) << + MB_RFD_PROD_INDX_SHIFT) | + ((rrd_next_to_clean & MB_RRD_CONS_INDX_MASK) << + MB_RRD_CONS_INDX_SHIFT) | + ((tpd_next_to_use & MB_TPD_PROD_INDX_MASK) << + MB_TPD_PROD_INDX_SHIFT); + iowrite32(value, adapter->hw.hw_addr + REG_MAILBOX); + + spin_unlock_irqrestore(&adapter->mb_lock, flags); +} + +static void atl1_clean_alloc_flag(struct atl1_adapter *adapter, + struct rx_return_desc *rrd, u16 offset) +{ + struct atl1_rfd_ring *rfd_ring = &adapter->rfd_ring; + + while (rfd_ring->next_to_clean != (rrd->buf_indx + offset)) { + rfd_ring->buffer_info[rfd_ring->next_to_clean].alloced = 0; + if (++rfd_ring->next_to_clean == rfd_ring->count) { + rfd_ring->next_to_clean = 0; + } + } +} + +static void atl1_update_rfd_index(struct atl1_adapter *adapter, + struct rx_return_desc *rrd) +{ + u16 num_buf; + + num_buf = (rrd->xsz.xsum_sz.pkt_size + adapter->rx_buffer_len - 1) / + adapter->rx_buffer_len; + if (rrd->num_buf == num_buf) + /* clean alloc flag for bad rrd */ + atl1_clean_alloc_flag(adapter, rrd, num_buf); +} + +static void atl1_rx_checksum(struct atl1_adapter *adapter, + struct rx_return_desc *rrd, struct sk_buff *skb) +{ + struct pci_dev *pdev = adapter->pdev; + + /* + * The L1 hardware contains a bug that erroneously sets the + * PACKET_FLAG_ERR and ERR_FLAG_L4_CHKSUM bits whenever a + * fragmented IP packet is received, even though the packet + * is perfectly valid and its checksum is correct. There's + * no way to distinguish between one of these good packets + * and a packet that actually contains a TCP/UDP checksum + * error, so all we can do is allow it to be handed up to + * the higher layers and let it be sorted out there. + */ + + skb_checksum_none_assert(skb); + + if (unlikely(rrd->pkt_flg & PACKET_FLAG_ERR)) { + if (rrd->err_flg & (ERR_FLAG_CRC | ERR_FLAG_TRUNC | + ERR_FLAG_CODE | ERR_FLAG_OV)) { + adapter->hw_csum_err++; + if (netif_msg_rx_err(adapter)) + dev_printk(KERN_DEBUG, &pdev->dev, + "rx checksum error\n"); + return; + } + } + + /* not IPv4 */ + if (!(rrd->pkt_flg & PACKET_FLAG_IPV4)) + /* checksum is invalid, but it's not an IPv4 pkt, so ok */ + return; + + /* IPv4 packet */ + if (likely(!(rrd->err_flg & + (ERR_FLAG_IP_CHKSUM | ERR_FLAG_L4_CHKSUM)))) { + skb->ip_summed = CHECKSUM_UNNECESSARY; + adapter->hw_csum_good++; + return; + } +} + +/* + * atl1_alloc_rx_buffers - Replace used receive buffers + * @adapter: address of board private structure + */ +static u16 atl1_alloc_rx_buffers(struct atl1_adapter *adapter) +{ + struct atl1_rfd_ring *rfd_ring = &adapter->rfd_ring; + struct pci_dev *pdev = adapter->pdev; + struct page *page; + unsigned long offset; + struct atl1_buffer *buffer_info, *next_info; + struct sk_buff *skb; + u16 num_alloc = 0; + u16 rfd_next_to_use, next_next; + struct rx_free_desc *rfd_desc; + + next_next = rfd_next_to_use = atomic_read(&rfd_ring->next_to_use); + if (++next_next == rfd_ring->count) + next_next = 0; + buffer_info = &rfd_ring->buffer_info[rfd_next_to_use]; + next_info = &rfd_ring->buffer_info[next_next]; + + while (!buffer_info->alloced && !next_info->alloced) { + if (buffer_info->skb) { + buffer_info->alloced = 1; + goto next; + } + + rfd_desc = ATL1_RFD_DESC(rfd_ring, rfd_next_to_use); + + skb = netdev_alloc_skb_ip_align(adapter->netdev, + adapter->rx_buffer_len); + if (unlikely(!skb)) { + /* Better luck next round */ + adapter->netdev->stats.rx_dropped++; + break; + } + + buffer_info->alloced = 1; + buffer_info->skb = skb; + buffer_info->length = (u16) adapter->rx_buffer_len; + page = virt_to_page(skb->data); + offset = (unsigned long)skb->data & ~PAGE_MASK; + buffer_info->dma = pci_map_page(pdev, page, offset, + adapter->rx_buffer_len, + PCI_DMA_FROMDEVICE); + rfd_desc->buffer_addr = cpu_to_le64(buffer_info->dma); + rfd_desc->buf_len = cpu_to_le16(adapter->rx_buffer_len); + rfd_desc->coalese = 0; + +next: + rfd_next_to_use = next_next; + if (unlikely(++next_next == rfd_ring->count)) + next_next = 0; + + buffer_info = &rfd_ring->buffer_info[rfd_next_to_use]; + next_info = &rfd_ring->buffer_info[next_next]; + num_alloc++; + } + + if (num_alloc) { + /* + * Force memory writes to complete before letting h/w + * know there are new descriptors to fetch. (Only + * applicable for weak-ordered memory model archs, + * such as IA-64). + */ + wmb(); + atomic_set(&rfd_ring->next_to_use, (int)rfd_next_to_use); + } + return num_alloc; +} + +static void atl1_intr_rx(struct atl1_adapter *adapter) +{ + int i, count; + u16 length; + u16 rrd_next_to_clean; + u32 value; + struct atl1_rfd_ring *rfd_ring = &adapter->rfd_ring; + struct atl1_rrd_ring *rrd_ring = &adapter->rrd_ring; + struct atl1_buffer *buffer_info; + struct rx_return_desc *rrd; + struct sk_buff *skb; + + count = 0; + + rrd_next_to_clean = atomic_read(&rrd_ring->next_to_clean); + + while (1) { + rrd = ATL1_RRD_DESC(rrd_ring, rrd_next_to_clean); + i = 1; + if (likely(rrd->xsz.valid)) { /* packet valid */ +chk_rrd: + /* check rrd status */ + if (likely(rrd->num_buf == 1)) + goto rrd_ok; + else if (netif_msg_rx_err(adapter)) { + dev_printk(KERN_DEBUG, &adapter->pdev->dev, + "unexpected RRD buffer count\n"); + dev_printk(KERN_DEBUG, &adapter->pdev->dev, + "rx_buf_len = %d\n", + adapter->rx_buffer_len); + dev_printk(KERN_DEBUG, &adapter->pdev->dev, + "RRD num_buf = %d\n", + rrd->num_buf); + dev_printk(KERN_DEBUG, &adapter->pdev->dev, + "RRD pkt_len = %d\n", + rrd->xsz.xsum_sz.pkt_size); + dev_printk(KERN_DEBUG, &adapter->pdev->dev, + "RRD pkt_flg = 0x%08X\n", + rrd->pkt_flg); + dev_printk(KERN_DEBUG, &adapter->pdev->dev, + "RRD err_flg = 0x%08X\n", + rrd->err_flg); + dev_printk(KERN_DEBUG, &adapter->pdev->dev, + "RRD vlan_tag = 0x%08X\n", + rrd->vlan_tag); + } + + /* rrd seems to be bad */ + if (unlikely(i-- > 0)) { + /* rrd may not be DMAed completely */ + udelay(1); + goto chk_rrd; + } + /* bad rrd */ + if (netif_msg_rx_err(adapter)) + dev_printk(KERN_DEBUG, &adapter->pdev->dev, + "bad RRD\n"); + /* see if update RFD index */ + if (rrd->num_buf > 1) + atl1_update_rfd_index(adapter, rrd); + + /* update rrd */ + rrd->xsz.valid = 0; + if (++rrd_next_to_clean == rrd_ring->count) + rrd_next_to_clean = 0; + count++; + continue; + } else { /* current rrd still not be updated */ + + break; + } +rrd_ok: + /* clean alloc flag for bad rrd */ + atl1_clean_alloc_flag(adapter, rrd, 0); + + buffer_info = &rfd_ring->buffer_info[rrd->buf_indx]; + if (++rfd_ring->next_to_clean == rfd_ring->count) + rfd_ring->next_to_clean = 0; + + /* update rrd next to clean */ + if (++rrd_next_to_clean == rrd_ring->count) + rrd_next_to_clean = 0; + count++; + + if (unlikely(rrd->pkt_flg & PACKET_FLAG_ERR)) { + if (!(rrd->err_flg & + (ERR_FLAG_IP_CHKSUM | ERR_FLAG_L4_CHKSUM + | ERR_FLAG_LEN))) { + /* packet error, don't need upstream */ + buffer_info->alloced = 0; + rrd->xsz.valid = 0; + continue; + } + } + + /* Good Receive */ + pci_unmap_page(adapter->pdev, buffer_info->dma, + buffer_info->length, PCI_DMA_FROMDEVICE); + buffer_info->dma = 0; + skb = buffer_info->skb; + length = le16_to_cpu(rrd->xsz.xsum_sz.pkt_size); + + skb_put(skb, length - ETH_FCS_LEN); + + /* Receive Checksum Offload */ + atl1_rx_checksum(adapter, rrd, skb); + skb->protocol = eth_type_trans(skb, adapter->netdev); + + if (rrd->pkt_flg & PACKET_FLAG_VLAN_INS) { + u16 vlan_tag = (rrd->vlan_tag >> 4) | + ((rrd->vlan_tag & 7) << 13) | + ((rrd->vlan_tag & 8) << 9); + + __vlan_hwaccel_put_tag(skb, vlan_tag); + } + netif_rx(skb); + + /* let protocol layer free skb */ + buffer_info->skb = NULL; + buffer_info->alloced = 0; + rrd->xsz.valid = 0; + } + + atomic_set(&rrd_ring->next_to_clean, rrd_next_to_clean); + + atl1_alloc_rx_buffers(adapter); + + /* update mailbox ? */ + if (count) { + u32 tpd_next_to_use; + u32 rfd_next_to_use; + + spin_lock(&adapter->mb_lock); + + tpd_next_to_use = atomic_read(&adapter->tpd_ring.next_to_use); + rfd_next_to_use = + atomic_read(&adapter->rfd_ring.next_to_use); + rrd_next_to_clean = + atomic_read(&adapter->rrd_ring.next_to_clean); + value = ((rfd_next_to_use & MB_RFD_PROD_INDX_MASK) << + MB_RFD_PROD_INDX_SHIFT) | + ((rrd_next_to_clean & MB_RRD_CONS_INDX_MASK) << + MB_RRD_CONS_INDX_SHIFT) | + ((tpd_next_to_use & MB_TPD_PROD_INDX_MASK) << + MB_TPD_PROD_INDX_SHIFT); + iowrite32(value, adapter->hw.hw_addr + REG_MAILBOX); + spin_unlock(&adapter->mb_lock); + } +} + +static void atl1_intr_tx(struct atl1_adapter *adapter) +{ + struct atl1_tpd_ring *tpd_ring = &adapter->tpd_ring; + struct atl1_buffer *buffer_info; + u16 sw_tpd_next_to_clean; + u16 cmb_tpd_next_to_clean; + + sw_tpd_next_to_clean = atomic_read(&tpd_ring->next_to_clean); + cmb_tpd_next_to_clean = le16_to_cpu(adapter->cmb.cmb->tpd_cons_idx); + + while (cmb_tpd_next_to_clean != sw_tpd_next_to_clean) { + buffer_info = &tpd_ring->buffer_info[sw_tpd_next_to_clean]; + if (buffer_info->dma) { + pci_unmap_page(adapter->pdev, buffer_info->dma, + buffer_info->length, PCI_DMA_TODEVICE); + buffer_info->dma = 0; + } + + if (buffer_info->skb) { + dev_kfree_skb_irq(buffer_info->skb); + buffer_info->skb = NULL; + } + + if (++sw_tpd_next_to_clean == tpd_ring->count) + sw_tpd_next_to_clean = 0; + } + atomic_set(&tpd_ring->next_to_clean, sw_tpd_next_to_clean); + + if (netif_queue_stopped(adapter->netdev) && + netif_carrier_ok(adapter->netdev)) + netif_wake_queue(adapter->netdev); +} + +static u16 atl1_tpd_avail(struct atl1_tpd_ring *tpd_ring) +{ + u16 next_to_clean = atomic_read(&tpd_ring->next_to_clean); + u16 next_to_use = atomic_read(&tpd_ring->next_to_use); + return (next_to_clean > next_to_use) ? + next_to_clean - next_to_use - 1 : + tpd_ring->count + next_to_clean - next_to_use - 1; +} + +static int atl1_tso(struct atl1_adapter *adapter, struct sk_buff *skb, + struct tx_packet_desc *ptpd) +{ + u8 hdr_len, ip_off; + u32 real_len; + int err; + + if (skb_shinfo(skb)->gso_size) { + if (skb_header_cloned(skb)) { + err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC); + if (unlikely(err)) + return -1; + } + + if (skb->protocol == htons(ETH_P_IP)) { + struct iphdr *iph = ip_hdr(skb); + + real_len = (((unsigned char *)iph - skb->data) + + ntohs(iph->tot_len)); + if (real_len < skb->len) + pskb_trim(skb, real_len); + hdr_len = (skb_transport_offset(skb) + tcp_hdrlen(skb)); + if (skb->len == hdr_len) { + iph->check = 0; + tcp_hdr(skb)->check = + ~csum_tcpudp_magic(iph->saddr, + iph->daddr, tcp_hdrlen(skb), + IPPROTO_TCP, 0); + ptpd->word3 |= (iph->ihl & TPD_IPHL_MASK) << + TPD_IPHL_SHIFT; + ptpd->word3 |= ((tcp_hdrlen(skb) >> 2) & + TPD_TCPHDRLEN_MASK) << + TPD_TCPHDRLEN_SHIFT; + ptpd->word3 |= 1 << TPD_IP_CSUM_SHIFT; + ptpd->word3 |= 1 << TPD_TCP_CSUM_SHIFT; + return 1; + } + + iph->check = 0; + tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr, + iph->daddr, 0, IPPROTO_TCP, 0); + ip_off = (unsigned char *)iph - + (unsigned char *) skb_network_header(skb); + if (ip_off == 8) /* 802.3-SNAP frame */ + ptpd->word3 |= 1 << TPD_ETHTYPE_SHIFT; + else if (ip_off != 0) + return -2; + + ptpd->word3 |= (iph->ihl & TPD_IPHL_MASK) << + TPD_IPHL_SHIFT; + ptpd->word3 |= ((tcp_hdrlen(skb) >> 2) & + TPD_TCPHDRLEN_MASK) << TPD_TCPHDRLEN_SHIFT; + ptpd->word3 |= (skb_shinfo(skb)->gso_size & + TPD_MSS_MASK) << TPD_MSS_SHIFT; + ptpd->word3 |= 1 << TPD_SEGMENT_EN_SHIFT; + return 3; + } + } + return false; +} + +static int atl1_tx_csum(struct atl1_adapter *adapter, struct sk_buff *skb, + struct tx_packet_desc *ptpd) +{ + u8 css, cso; + + if (likely(skb->ip_summed == CHECKSUM_PARTIAL)) { + css = skb_checksum_start_offset(skb); + cso = css + (u8) skb->csum_offset; + if (unlikely(css & 0x1)) { + /* L1 hardware requires an even number here */ + if (netif_msg_tx_err(adapter)) + dev_printk(KERN_DEBUG, &adapter->pdev->dev, + "payload offset not an even number\n"); + return -1; + } + ptpd->word3 |= (css & TPD_PLOADOFFSET_MASK) << + TPD_PLOADOFFSET_SHIFT; + ptpd->word3 |= (cso & TPD_CCSUMOFFSET_MASK) << + TPD_CCSUMOFFSET_SHIFT; + ptpd->word3 |= 1 << TPD_CUST_CSUM_EN_SHIFT; + return true; + } + return 0; +} + +static void atl1_tx_map(struct atl1_adapter *adapter, struct sk_buff *skb, + struct tx_packet_desc *ptpd) +{ + struct atl1_tpd_ring *tpd_ring = &adapter->tpd_ring; + struct atl1_buffer *buffer_info; + u16 buf_len = skb->len; + struct page *page; + unsigned long offset; + unsigned int nr_frags; + unsigned int f; + int retval; + u16 next_to_use; + u16 data_len; + u8 hdr_len; + + buf_len -= skb->data_len; + nr_frags = skb_shinfo(skb)->nr_frags; + next_to_use = atomic_read(&tpd_ring->next_to_use); + buffer_info = &tpd_ring->buffer_info[next_to_use]; + BUG_ON(buffer_info->skb); + /* put skb in last TPD */ + buffer_info->skb = NULL; + + retval = (ptpd->word3 >> TPD_SEGMENT_EN_SHIFT) & TPD_SEGMENT_EN_MASK; + if (retval) { + /* TSO */ + hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb); + buffer_info->length = hdr_len; + page = virt_to_page(skb->data); + offset = (unsigned long)skb->data & ~PAGE_MASK; + buffer_info->dma = pci_map_page(adapter->pdev, page, + offset, hdr_len, + PCI_DMA_TODEVICE); + + if (++next_to_use == tpd_ring->count) + next_to_use = 0; + + if (buf_len > hdr_len) { + int i, nseg; + + data_len = buf_len - hdr_len; + nseg = (data_len + ATL1_MAX_TX_BUF_LEN - 1) / + ATL1_MAX_TX_BUF_LEN; + for (i = 0; i < nseg; i++) { + buffer_info = + &tpd_ring->buffer_info[next_to_use]; + buffer_info->skb = NULL; + buffer_info->length = + (ATL1_MAX_TX_BUF_LEN >= + data_len) ? ATL1_MAX_TX_BUF_LEN : data_len; + data_len -= buffer_info->length; + page = virt_to_page(skb->data + + (hdr_len + i * ATL1_MAX_TX_BUF_LEN)); + offset = (unsigned long)(skb->data + + (hdr_len + i * ATL1_MAX_TX_BUF_LEN)) & + ~PAGE_MASK; + buffer_info->dma = pci_map_page(adapter->pdev, + page, offset, buffer_info->length, + PCI_DMA_TODEVICE); + if (++next_to_use == tpd_ring->count) + next_to_use = 0; + } + } + } else { + /* not TSO */ + buffer_info->length = buf_len; + page = virt_to_page(skb->data); + offset = (unsigned long)skb->data & ~PAGE_MASK; + buffer_info->dma = pci_map_page(adapter->pdev, page, + offset, buf_len, PCI_DMA_TODEVICE); + if (++next_to_use == tpd_ring->count) + next_to_use = 0; + } + + for (f = 0; f < nr_frags; f++) { + struct skb_frag_struct *frag; + u16 i, nseg; + + frag = &skb_shinfo(skb)->frags[f]; + buf_len = frag->size; + + nseg = (buf_len + ATL1_MAX_TX_BUF_LEN - 1) / + ATL1_MAX_TX_BUF_LEN; + for (i = 0; i < nseg; i++) { + buffer_info = &tpd_ring->buffer_info[next_to_use]; + BUG_ON(buffer_info->skb); + + buffer_info->skb = NULL; + buffer_info->length = (buf_len > ATL1_MAX_TX_BUF_LEN) ? + ATL1_MAX_TX_BUF_LEN : buf_len; + buf_len -= buffer_info->length; + buffer_info->dma = pci_map_page(adapter->pdev, + frag->page, + frag->page_offset + (i * ATL1_MAX_TX_BUF_LEN), + buffer_info->length, PCI_DMA_TODEVICE); + + if (++next_to_use == tpd_ring->count) + next_to_use = 0; + } + } + + /* last tpd's buffer-info */ + buffer_info->skb = skb; +} + +static void atl1_tx_queue(struct atl1_adapter *adapter, u16 count, + struct tx_packet_desc *ptpd) +{ + struct atl1_tpd_ring *tpd_ring = &adapter->tpd_ring; + struct atl1_buffer *buffer_info; + struct tx_packet_desc *tpd; + u16 j; + u32 val; + u16 next_to_use = (u16) atomic_read(&tpd_ring->next_to_use); + + for (j = 0; j < count; j++) { + buffer_info = &tpd_ring->buffer_info[next_to_use]; + tpd = ATL1_TPD_DESC(&adapter->tpd_ring, next_to_use); + if (tpd != ptpd) + memcpy(tpd, ptpd, sizeof(struct tx_packet_desc)); + tpd->buffer_addr = cpu_to_le64(buffer_info->dma); + tpd->word2 &= ~(TPD_BUFLEN_MASK << TPD_BUFLEN_SHIFT); + tpd->word2 |= (cpu_to_le16(buffer_info->length) & + TPD_BUFLEN_MASK) << TPD_BUFLEN_SHIFT; + + /* + * if this is the first packet in a TSO chain, set + * TPD_HDRFLAG, otherwise, clear it. + */ + val = (tpd->word3 >> TPD_SEGMENT_EN_SHIFT) & + TPD_SEGMENT_EN_MASK; + if (val) { + if (!j) + tpd->word3 |= 1 << TPD_HDRFLAG_SHIFT; + else + tpd->word3 &= ~(1 << TPD_HDRFLAG_SHIFT); + } + + if (j == (count - 1)) + tpd->word3 |= 1 << TPD_EOP_SHIFT; + + if (++next_to_use == tpd_ring->count) + next_to_use = 0; + } + /* + * Force memory writes to complete before letting h/w + * know there are new descriptors to fetch. (Only + * applicable for weak-ordered memory model archs, + * such as IA-64). + */ + wmb(); + + atomic_set(&tpd_ring->next_to_use, next_to_use); +} + +static netdev_tx_t atl1_xmit_frame(struct sk_buff *skb, + struct net_device *netdev) +{ + struct atl1_adapter *adapter = netdev_priv(netdev); + struct atl1_tpd_ring *tpd_ring = &adapter->tpd_ring; + int len; + int tso; + int count = 1; + int ret_val; + struct tx_packet_desc *ptpd; + u16 frag_size; + u16 vlan_tag; + unsigned int nr_frags = 0; + unsigned int mss = 0; + unsigned int f; + unsigned int proto_hdr_len; + + len = skb_headlen(skb); + + if (unlikely(skb->len <= 0)) { + dev_kfree_skb_any(skb); + return NETDEV_TX_OK; + } + + nr_frags = skb_shinfo(skb)->nr_frags; + for (f = 0; f < nr_frags; f++) { + frag_size = skb_shinfo(skb)->frags[f].size; + if (frag_size) + count += (frag_size + ATL1_MAX_TX_BUF_LEN - 1) / + ATL1_MAX_TX_BUF_LEN; + } + + mss = skb_shinfo(skb)->gso_size; + if (mss) { + if (skb->protocol == htons(ETH_P_IP)) { + proto_hdr_len = (skb_transport_offset(skb) + + tcp_hdrlen(skb)); + if (unlikely(proto_hdr_len > len)) { + dev_kfree_skb_any(skb); + return NETDEV_TX_OK; + } + /* need additional TPD ? */ + if (proto_hdr_len != len) + count += (len - proto_hdr_len + + ATL1_MAX_TX_BUF_LEN - 1) / + ATL1_MAX_TX_BUF_LEN; + } + } + + if (atl1_tpd_avail(&adapter->tpd_ring) < count) { + /* not enough descriptors */ + netif_stop_queue(netdev); + if (netif_msg_tx_queued(adapter)) + dev_printk(KERN_DEBUG, &adapter->pdev->dev, + "tx busy\n"); + return NETDEV_TX_BUSY; + } + + ptpd = ATL1_TPD_DESC(tpd_ring, + (u16) atomic_read(&tpd_ring->next_to_use)); + memset(ptpd, 0, sizeof(struct tx_packet_desc)); + + if (vlan_tx_tag_present(skb)) { + vlan_tag = vlan_tx_tag_get(skb); + vlan_tag = (vlan_tag << 4) | (vlan_tag >> 13) | + ((vlan_tag >> 9) & 0x8); + ptpd->word3 |= 1 << TPD_INS_VL_TAG_SHIFT; + ptpd->word2 |= (vlan_tag & TPD_VLANTAG_MASK) << + TPD_VLANTAG_SHIFT; + } + + tso = atl1_tso(adapter, skb, ptpd); + if (tso < 0) { + dev_kfree_skb_any(skb); + return NETDEV_TX_OK; + } + + if (!tso) { + ret_val = atl1_tx_csum(adapter, skb, ptpd); + if (ret_val < 0) { + dev_kfree_skb_any(skb); + return NETDEV_TX_OK; + } + } + + atl1_tx_map(adapter, skb, ptpd); + atl1_tx_queue(adapter, count, ptpd); + atl1_update_mailbox(adapter); + mmiowb(); + return NETDEV_TX_OK; +} + +/* + * atl1_intr - Interrupt Handler + * @irq: interrupt number + * @data: pointer to a network interface device structure + * @pt_regs: CPU registers structure + */ +static irqreturn_t atl1_intr(int irq, void *data) +{ + struct atl1_adapter *adapter = netdev_priv(data); + u32 status; + int max_ints = 10; + + status = adapter->cmb.cmb->int_stats; + if (!status) + return IRQ_NONE; + + do { + /* clear CMB interrupt status at once */ + adapter->cmb.cmb->int_stats = 0; + + if (status & ISR_GPHY) /* clear phy status */ + atlx_clear_phy_int(adapter); + + /* clear ISR status, and Enable CMB DMA/Disable Interrupt */ + iowrite32(status | ISR_DIS_INT, adapter->hw.hw_addr + REG_ISR); + + /* check if SMB intr */ + if (status & ISR_SMB) + atl1_inc_smb(adapter); + + /* check if PCIE PHY Link down */ + if (status & ISR_PHY_LINKDOWN) { + if (netif_msg_intr(adapter)) + dev_printk(KERN_DEBUG, &adapter->pdev->dev, + "pcie phy link down %x\n", status); + if (netif_running(adapter->netdev)) { /* reset MAC */ + iowrite32(0, adapter->hw.hw_addr + REG_IMR); + schedule_work(&adapter->pcie_dma_to_rst_task); + return IRQ_HANDLED; + } + } + + /* check if DMA read/write error ? */ + if (status & (ISR_DMAR_TO_RST | ISR_DMAW_TO_RST)) { + if (netif_msg_intr(adapter)) + dev_printk(KERN_DEBUG, &adapter->pdev->dev, + "pcie DMA r/w error (status = 0x%x)\n", + status); + iowrite32(0, adapter->hw.hw_addr + REG_IMR); + schedule_work(&adapter->pcie_dma_to_rst_task); + return IRQ_HANDLED; + } + + /* link event */ + if (status & ISR_GPHY) { + adapter->soft_stats.tx_carrier_errors++; + atl1_check_for_link(adapter); + } + + /* transmit event */ + if (status & ISR_CMB_TX) + atl1_intr_tx(adapter); + + /* rx exception */ + if (unlikely(status & (ISR_RXF_OV | ISR_RFD_UNRUN | + ISR_RRD_OV | ISR_HOST_RFD_UNRUN | + ISR_HOST_RRD_OV | ISR_CMB_RX))) { + if (status & (ISR_RXF_OV | ISR_RFD_UNRUN | + ISR_RRD_OV | ISR_HOST_RFD_UNRUN | + ISR_HOST_RRD_OV)) + if (netif_msg_intr(adapter)) + dev_printk(KERN_DEBUG, + &adapter->pdev->dev, + "rx exception, ISR = 0x%x\n", + status); + atl1_intr_rx(adapter); + } + + if (--max_ints < 0) + break; + + } while ((status = adapter->cmb.cmb->int_stats)); + + /* re-enable Interrupt */ + iowrite32(ISR_DIS_SMB | ISR_DIS_DMA, adapter->hw.hw_addr + REG_ISR); + return IRQ_HANDLED; +} + + +/* + * atl1_phy_config - Timer Call-back + * @data: pointer to netdev cast into an unsigned long + */ +static void atl1_phy_config(unsigned long data) +{ + struct atl1_adapter *adapter = (struct atl1_adapter *)data; + struct atl1_hw *hw = &adapter->hw; + unsigned long flags; + + spin_lock_irqsave(&adapter->lock, flags); + adapter->phy_timer_pending = false; + atl1_write_phy_reg(hw, MII_ADVERTISE, hw->mii_autoneg_adv_reg); + atl1_write_phy_reg(hw, MII_ATLX_CR, hw->mii_1000t_ctrl_reg); + atl1_write_phy_reg(hw, MII_BMCR, MII_CR_RESET | MII_CR_AUTO_NEG_EN); + spin_unlock_irqrestore(&adapter->lock, flags); +} + +/* + * Orphaned vendor comment left intact here: + * + * If TPD Buffer size equal to 0, PCIE DMAR_TO_INT + * will assert. We do soft reset <0x1400=1> according + * with the SPEC. BUT, it seemes that PCIE or DMA + * state-machine will not be reset. DMAR_TO_INT will + * assert again and again. + * + */ + +static int atl1_reset(struct atl1_adapter *adapter) +{ + int ret; + ret = atl1_reset_hw(&adapter->hw); + if (ret) + return ret; + return atl1_init_hw(&adapter->hw); +} + +static s32 atl1_up(struct atl1_adapter *adapter) +{ + struct net_device *netdev = adapter->netdev; + int err; + int irq_flags = 0; + + /* hardware has been reset, we need to reload some things */ + atlx_set_multi(netdev); + atl1_init_ring_ptrs(adapter); + atlx_restore_vlan(adapter); + err = atl1_alloc_rx_buffers(adapter); + if (unlikely(!err)) + /* no RX BUFFER allocated */ + return -ENOMEM; + + if (unlikely(atl1_configure(adapter))) { + err = -EIO; + goto err_up; + } + + err = pci_enable_msi(adapter->pdev); + if (err) { + if (netif_msg_ifup(adapter)) + dev_info(&adapter->pdev->dev, + "Unable to enable MSI: %d\n", err); + irq_flags |= IRQF_SHARED; + } + + err = request_irq(adapter->pdev->irq, atl1_intr, irq_flags, + netdev->name, netdev); + if (unlikely(err)) + goto err_up; + + atlx_irq_enable(adapter); + atl1_check_link(adapter); + netif_start_queue(netdev); + return 0; + +err_up: + pci_disable_msi(adapter->pdev); + /* free rx_buffers */ + atl1_clean_rx_ring(adapter); + return err; +} + +static void atl1_down(struct atl1_adapter *adapter) +{ + struct net_device *netdev = adapter->netdev; + + netif_stop_queue(netdev); + del_timer_sync(&adapter->phy_config_timer); + adapter->phy_timer_pending = false; + + atlx_irq_disable(adapter); + free_irq(adapter->pdev->irq, netdev); + pci_disable_msi(adapter->pdev); + atl1_reset_hw(&adapter->hw); + adapter->cmb.cmb->int_stats = 0; + + adapter->link_speed = SPEED_0; + adapter->link_duplex = -1; + netif_carrier_off(netdev); + + atl1_clean_tx_ring(adapter); + atl1_clean_rx_ring(adapter); +} + +static void atl1_tx_timeout_task(struct work_struct *work) +{ + struct atl1_adapter *adapter = + container_of(work, struct atl1_adapter, tx_timeout_task); + struct net_device *netdev = adapter->netdev; + + netif_device_detach(netdev); + atl1_down(adapter); + atl1_up(adapter); + netif_device_attach(netdev); +} + +/* + * atl1_change_mtu - Change the Maximum Transfer Unit + * @netdev: network interface device structure + * @new_mtu: new value for maximum frame size + * + * Returns 0 on success, negative on failure + */ +static int atl1_change_mtu(struct net_device *netdev, int new_mtu) +{ + struct atl1_adapter *adapter = netdev_priv(netdev); + int old_mtu = netdev->mtu; + int max_frame = new_mtu + ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN; + + if ((max_frame < ETH_ZLEN + ETH_FCS_LEN) || + (max_frame > MAX_JUMBO_FRAME_SIZE)) { + if (netif_msg_link(adapter)) + dev_warn(&adapter->pdev->dev, "invalid MTU setting\n"); + return -EINVAL; + } + + adapter->hw.max_frame_size = max_frame; + adapter->hw.tx_jumbo_task_th = (max_frame + 7) >> 3; + adapter->rx_buffer_len = (max_frame + 7) & ~7; + adapter->hw.rx_jumbo_th = adapter->rx_buffer_len / 8; + + netdev->mtu = new_mtu; + if ((old_mtu != new_mtu) && netif_running(netdev)) { + atl1_down(adapter); + atl1_up(adapter); + } + + return 0; +} + +/* + * atl1_open - Called when a network interface is made active + * @netdev: network interface device structure + * + * Returns 0 on success, negative value on failure + * + * The open entry point is called when a network interface is made + * active by the system (IFF_UP). At this point all resources needed + * for transmit and receive operations are allocated, the interrupt + * handler is registered with the OS, the watchdog timer is started, + * and the stack is notified that the interface is ready. + */ +static int atl1_open(struct net_device *netdev) +{ + struct atl1_adapter *adapter = netdev_priv(netdev); + int err; + + netif_carrier_off(netdev); + + /* allocate transmit descriptors */ + err = atl1_setup_ring_resources(adapter); + if (err) + return err; + + err = atl1_up(adapter); + if (err) + goto err_up; + + return 0; + +err_up: + atl1_reset(adapter); + return err; +} + +/* + * atl1_close - Disables a network interface + * @netdev: network interface device structure + * + * Returns 0, this is not allowed to fail + * + * The close entry point is called when an interface is de-activated + * by the OS. The hardware is still under the drivers control, but + * needs to be disabled. A global MAC reset is issued to stop the + * hardware, and all transmit and receive resources are freed. + */ +static int atl1_close(struct net_device *netdev) +{ + struct atl1_adapter *adapter = netdev_priv(netdev); + atl1_down(adapter); + atl1_free_ring_resources(adapter); + return 0; +} + +#ifdef CONFIG_PM +static int atl1_suspend(struct device *dev) +{ + struct pci_dev *pdev = to_pci_dev(dev); + struct net_device *netdev = pci_get_drvdata(pdev); + struct atl1_adapter *adapter = netdev_priv(netdev); + struct atl1_hw *hw = &adapter->hw; + u32 ctrl = 0; + u32 wufc = adapter->wol; + u32 val; + u16 speed; + u16 duplex; + + netif_device_detach(netdev); + if (netif_running(netdev)) + atl1_down(adapter); + + atl1_read_phy_reg(hw, MII_BMSR, (u16 *) & ctrl); + atl1_read_phy_reg(hw, MII_BMSR, (u16 *) & ctrl); + val = ctrl & BMSR_LSTATUS; + if (val) + wufc &= ~ATLX_WUFC_LNKC; + if (!wufc) + goto disable_wol; + + if (val) { + val = atl1_get_speed_and_duplex(hw, &speed, &duplex); + if (val) { + if (netif_msg_ifdown(adapter)) + dev_printk(KERN_DEBUG, &pdev->dev, + "error getting speed/duplex\n"); + goto disable_wol; + } + + ctrl = 0; + + /* enable magic packet WOL */ + if (wufc & ATLX_WUFC_MAG) + ctrl |= (WOL_MAGIC_EN | WOL_MAGIC_PME_EN); + iowrite32(ctrl, hw->hw_addr + REG_WOL_CTRL); + ioread32(hw->hw_addr + REG_WOL_CTRL); + + /* configure the mac */ + ctrl = MAC_CTRL_RX_EN; + ctrl |= ((u32)((speed == SPEED_1000) ? MAC_CTRL_SPEED_1000 : + MAC_CTRL_SPEED_10_100) << MAC_CTRL_SPEED_SHIFT); + if (duplex == FULL_DUPLEX) + ctrl |= MAC_CTRL_DUPLX; + ctrl |= (((u32)adapter->hw.preamble_len & + MAC_CTRL_PRMLEN_MASK) << MAC_CTRL_PRMLEN_SHIFT); + __atlx_vlan_mode(netdev->features, &ctrl); + if (wufc & ATLX_WUFC_MAG) + ctrl |= MAC_CTRL_BC_EN; + iowrite32(ctrl, hw->hw_addr + REG_MAC_CTRL); + ioread32(hw->hw_addr + REG_MAC_CTRL); + + /* poke the PHY */ + ctrl = ioread32(hw->hw_addr + REG_PCIE_PHYMISC); + ctrl |= PCIE_PHYMISC_FORCE_RCV_DET; + iowrite32(ctrl, hw->hw_addr + REG_PCIE_PHYMISC); + ioread32(hw->hw_addr + REG_PCIE_PHYMISC); + } else { + ctrl |= (WOL_LINK_CHG_EN | WOL_LINK_CHG_PME_EN); + iowrite32(ctrl, hw->hw_addr + REG_WOL_CTRL); + ioread32(hw->hw_addr + REG_WOL_CTRL); + iowrite32(0, hw->hw_addr + REG_MAC_CTRL); + ioread32(hw->hw_addr + REG_MAC_CTRL); + hw->phy_configured = false; + } + + return 0; + + disable_wol: + iowrite32(0, hw->hw_addr + REG_WOL_CTRL); + ioread32(hw->hw_addr + REG_WOL_CTRL); + ctrl = ioread32(hw->hw_addr + REG_PCIE_PHYMISC); + ctrl |= PCIE_PHYMISC_FORCE_RCV_DET; + iowrite32(ctrl, hw->hw_addr + REG_PCIE_PHYMISC); + ioread32(hw->hw_addr + REG_PCIE_PHYMISC); + hw->phy_configured = false; + + return 0; +} + +static int atl1_resume(struct device *dev) +{ + struct pci_dev *pdev = to_pci_dev(dev); + struct net_device *netdev = pci_get_drvdata(pdev); + struct atl1_adapter *adapter = netdev_priv(netdev); + + iowrite32(0, adapter->hw.hw_addr + REG_WOL_CTRL); + + atl1_reset_hw(&adapter->hw); + + if (netif_running(netdev)) { + adapter->cmb.cmb->int_stats = 0; + atl1_up(adapter); + } + netif_device_attach(netdev); + + return 0; +} + +static SIMPLE_DEV_PM_OPS(atl1_pm_ops, atl1_suspend, atl1_resume); +#define ATL1_PM_OPS (&atl1_pm_ops) + +#else + +static int atl1_suspend(struct device *dev) { return 0; } + +#define ATL1_PM_OPS NULL +#endif + +static void atl1_shutdown(struct pci_dev *pdev) +{ + struct net_device *netdev = pci_get_drvdata(pdev); + struct atl1_adapter *adapter = netdev_priv(netdev); + + atl1_suspend(&pdev->dev); + pci_wake_from_d3(pdev, adapter->wol); + pci_set_power_state(pdev, PCI_D3hot); +} + +#ifdef CONFIG_NET_POLL_CONTROLLER +static void atl1_poll_controller(struct net_device *netdev) +{ + disable_irq(netdev->irq); + atl1_intr(netdev->irq, netdev); + enable_irq(netdev->irq); +} +#endif + +static const struct net_device_ops atl1_netdev_ops = { + .ndo_open = atl1_open, + .ndo_stop = atl1_close, + .ndo_start_xmit = atl1_xmit_frame, + .ndo_set_multicast_list = atlx_set_multi, + .ndo_validate_addr = eth_validate_addr, + .ndo_set_mac_address = atl1_set_mac, + .ndo_change_mtu = atl1_change_mtu, + .ndo_fix_features = atlx_fix_features, + .ndo_set_features = atlx_set_features, + .ndo_do_ioctl = atlx_ioctl, + .ndo_tx_timeout = atlx_tx_timeout, +#ifdef CONFIG_NET_POLL_CONTROLLER + .ndo_poll_controller = atl1_poll_controller, +#endif +}; + +/* + * atl1_probe - Device Initialization Routine + * @pdev: PCI device information struct + * @ent: entry in atl1_pci_tbl + * + * Returns 0 on success, negative on failure + * + * atl1_probe initializes an adapter identified by a pci_dev structure. + * The OS initialization, configuring of the adapter private structure, + * and a hardware reset occur. + */ +static int __devinit atl1_probe(struct pci_dev *pdev, + const struct pci_device_id *ent) +{ + struct net_device *netdev; + struct atl1_adapter *adapter; + static int cards_found = 0; + int err; + + err = pci_enable_device(pdev); + if (err) + return err; + + /* + * The atl1 chip can DMA to 64-bit addresses, but it uses a single + * shared register for the high 32 bits, so only a single, aligned, + * 4 GB physical address range can be used at a time. + * + * Supporting 64-bit DMA on this hardware is more trouble than it's + * worth. It is far easier to limit to 32-bit DMA than update + * various kernel subsystems to support the mechanics required by a + * fixed-high-32-bit system. + */ + err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); + if (err) { + dev_err(&pdev->dev, "no usable DMA configuration\n"); + goto err_dma; + } + /* + * Mark all PCI regions associated with PCI device + * pdev as being reserved by owner atl1_driver_name + */ + err = pci_request_regions(pdev, ATLX_DRIVER_NAME); + if (err) + goto err_request_regions; + + /* + * Enables bus-mastering on the device and calls + * pcibios_set_master to do the needed arch specific settings + */ + pci_set_master(pdev); + + netdev = alloc_etherdev(sizeof(struct atl1_adapter)); + if (!netdev) { + err = -ENOMEM; + goto err_alloc_etherdev; + } + SET_NETDEV_DEV(netdev, &pdev->dev); + + pci_set_drvdata(pdev, netdev); + adapter = netdev_priv(netdev); + adapter->netdev = netdev; + adapter->pdev = pdev; + adapter->hw.back = adapter; + adapter->msg_enable = netif_msg_init(debug, atl1_default_msg); + + adapter->hw.hw_addr = pci_iomap(pdev, 0, 0); + if (!adapter->hw.hw_addr) { + err = -EIO; + goto err_pci_iomap; + } + /* get device revision number */ + adapter->hw.dev_rev = ioread16(adapter->hw.hw_addr + + (REG_MASTER_CTRL + 2)); + if (netif_msg_probe(adapter)) + dev_info(&pdev->dev, "version %s\n", ATLX_DRIVER_VERSION); + + /* set default ring resource counts */ + adapter->rfd_ring.count = adapter->rrd_ring.count = ATL1_DEFAULT_RFD; + adapter->tpd_ring.count = ATL1_DEFAULT_TPD; + + adapter->mii.dev = netdev; + adapter->mii.mdio_read = mdio_read; + adapter->mii.mdio_write = mdio_write; + adapter->mii.phy_id_mask = 0x1f; + adapter->mii.reg_num_mask = 0x1f; + + netdev->netdev_ops = &atl1_netdev_ops; + netdev->watchdog_timeo = 5 * HZ; + + netdev->ethtool_ops = &atl1_ethtool_ops; + adapter->bd_number = cards_found; + + /* setup the private structure */ + err = atl1_sw_init(adapter); + if (err) + goto err_common; + + netdev->features = NETIF_F_HW_CSUM; + netdev->features |= NETIF_F_SG; + netdev->features |= (NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX); + + netdev->hw_features = NETIF_F_HW_CSUM | NETIF_F_SG | NETIF_F_TSO | + NETIF_F_HW_VLAN_RX; + + /* is this valid? see atl1_setup_mac_ctrl() */ + netdev->features |= NETIF_F_RXCSUM; + + /* + * patch for some L1 of old version, + * the final version of L1 may not need these + * patches + */ + /* atl1_pcie_patch(adapter); */ + + /* really reset GPHY core */ + iowrite16(0, adapter->hw.hw_addr + REG_PHY_ENABLE); + + /* + * reset the controller to + * put the device in a known good starting state + */ + if (atl1_reset_hw(&adapter->hw)) { + err = -EIO; + goto err_common; + } + + /* copy the MAC address out of the EEPROM */ + atl1_read_mac_addr(&adapter->hw); + memcpy(netdev->dev_addr, adapter->hw.mac_addr, netdev->addr_len); + + if (!is_valid_ether_addr(netdev->dev_addr)) { + err = -EIO; + goto err_common; + } + + atl1_check_options(adapter); + + /* pre-init the MAC, and setup link */ + err = atl1_init_hw(&adapter->hw); + if (err) { + err = -EIO; + goto err_common; + } + + atl1_pcie_patch(adapter); + /* assume we have no link for now */ + netif_carrier_off(netdev); + + setup_timer(&adapter->phy_config_timer, atl1_phy_config, + (unsigned long)adapter); + adapter->phy_timer_pending = false; + + INIT_WORK(&adapter->tx_timeout_task, atl1_tx_timeout_task); + + INIT_WORK(&adapter->link_chg_task, atlx_link_chg_task); + + INIT_WORK(&adapter->pcie_dma_to_rst_task, atl1_tx_timeout_task); + + err = register_netdev(netdev); + if (err) + goto err_common; + + cards_found++; + atl1_via_workaround(adapter); + return 0; + +err_common: + pci_iounmap(pdev, adapter->hw.hw_addr); +err_pci_iomap: + free_netdev(netdev); +err_alloc_etherdev: + pci_release_regions(pdev); +err_dma: +err_request_regions: + pci_disable_device(pdev); + return err; +} + +/* + * atl1_remove - Device Removal Routine + * @pdev: PCI device information struct + * + * atl1_remove is called by the PCI subsystem to alert the driver + * that it should release a PCI device. The could be caused by a + * Hot-Plug event, or because the driver is going to be removed from + * memory. + */ +static void __devexit atl1_remove(struct pci_dev *pdev) +{ + struct net_device *netdev = pci_get_drvdata(pdev); + struct atl1_adapter *adapter; + /* Device not available. Return. */ + if (!netdev) + return; + + adapter = netdev_priv(netdev); + + /* + * Some atl1 boards lack persistent storage for their MAC, and get it + * from the BIOS during POST. If we've been messing with the MAC + * address, we need to save the permanent one. + */ + if (memcmp(adapter->hw.mac_addr, adapter->hw.perm_mac_addr, ETH_ALEN)) { + memcpy(adapter->hw.mac_addr, adapter->hw.perm_mac_addr, + ETH_ALEN); + atl1_set_mac_addr(&adapter->hw); + } + + iowrite16(0, adapter->hw.hw_addr + REG_PHY_ENABLE); + unregister_netdev(netdev); + pci_iounmap(pdev, adapter->hw.hw_addr); + pci_release_regions(pdev); + free_netdev(netdev); + pci_disable_device(pdev); +} + +static struct pci_driver atl1_driver = { + .name = ATLX_DRIVER_NAME, + .id_table = atl1_pci_tbl, + .probe = atl1_probe, + .remove = __devexit_p(atl1_remove), + .shutdown = atl1_shutdown, + .driver.pm = ATL1_PM_OPS, +}; + +/* + * atl1_exit_module - Driver Exit Cleanup Routine + * + * atl1_exit_module is called just before the driver is removed + * from memory. + */ +static void __exit atl1_exit_module(void) +{ + pci_unregister_driver(&atl1_driver); +} + +/* + * atl1_init_module - Driver Registration Routine + * + * atl1_init_module is the first routine called when the driver is + * loaded. All it does is register with the PCI subsystem. + */ +static int __init atl1_init_module(void) +{ + return pci_register_driver(&atl1_driver); +} + +module_init(atl1_init_module); +module_exit(atl1_exit_module); + +struct atl1_stats { + char stat_string[ETH_GSTRING_LEN]; + int sizeof_stat; + int stat_offset; +}; + +#define ATL1_STAT(m) \ + sizeof(((struct atl1_adapter *)0)->m), offsetof(struct atl1_adapter, m) + +static struct atl1_stats atl1_gstrings_stats[] = { + {"rx_packets", ATL1_STAT(soft_stats.rx_packets)}, + {"tx_packets", ATL1_STAT(soft_stats.tx_packets)}, + {"rx_bytes", ATL1_STAT(soft_stats.rx_bytes)}, + {"tx_bytes", ATL1_STAT(soft_stats.tx_bytes)}, + {"rx_errors", ATL1_STAT(soft_stats.rx_errors)}, + {"tx_errors", ATL1_STAT(soft_stats.tx_errors)}, + {"multicast", ATL1_STAT(soft_stats.multicast)}, + {"collisions", ATL1_STAT(soft_stats.collisions)}, + {"rx_length_errors", ATL1_STAT(soft_stats.rx_length_errors)}, + {"rx_over_errors", ATL1_STAT(soft_stats.rx_missed_errors)}, + {"rx_crc_errors", ATL1_STAT(soft_stats.rx_crc_errors)}, + {"rx_frame_errors", ATL1_STAT(soft_stats.rx_frame_errors)}, + {"rx_fifo_errors", ATL1_STAT(soft_stats.rx_fifo_errors)}, + {"rx_missed_errors", ATL1_STAT(soft_stats.rx_missed_errors)}, + {"tx_aborted_errors", ATL1_STAT(soft_stats.tx_aborted_errors)}, + {"tx_carrier_errors", ATL1_STAT(soft_stats.tx_carrier_errors)}, + {"tx_fifo_errors", ATL1_STAT(soft_stats.tx_fifo_errors)}, + {"tx_window_errors", ATL1_STAT(soft_stats.tx_window_errors)}, + {"tx_abort_exce_coll", ATL1_STAT(soft_stats.excecol)}, + {"tx_abort_late_coll", ATL1_STAT(soft_stats.latecol)}, + {"tx_deferred_ok", ATL1_STAT(soft_stats.deffer)}, + {"tx_single_coll_ok", ATL1_STAT(soft_stats.scc)}, + {"tx_multi_coll_ok", ATL1_STAT(soft_stats.mcc)}, + {"tx_underun", ATL1_STAT(soft_stats.tx_underun)}, + {"tx_trunc", ATL1_STAT(soft_stats.tx_trunc)}, + {"tx_pause", ATL1_STAT(soft_stats.tx_pause)}, + {"rx_pause", ATL1_STAT(soft_stats.rx_pause)}, + {"rx_rrd_ov", ATL1_STAT(soft_stats.rx_rrd_ov)}, + {"rx_trunc", ATL1_STAT(soft_stats.rx_trunc)} +}; + +static void atl1_get_ethtool_stats(struct net_device *netdev, + struct ethtool_stats *stats, u64 *data) +{ + struct atl1_adapter *adapter = netdev_priv(netdev); + int i; + char *p; + + for (i = 0; i < ARRAY_SIZE(atl1_gstrings_stats); i++) { + p = (char *)adapter+atl1_gstrings_stats[i].stat_offset; + data[i] = (atl1_gstrings_stats[i].sizeof_stat == + sizeof(u64)) ? *(u64 *)p : *(u32 *)p; + } + +} + +static int atl1_get_sset_count(struct net_device *netdev, int sset) +{ + switch (sset) { + case ETH_SS_STATS: + return ARRAY_SIZE(atl1_gstrings_stats); + default: + return -EOPNOTSUPP; + } +} + +static int atl1_get_settings(struct net_device *netdev, + struct ethtool_cmd *ecmd) +{ + struct atl1_adapter *adapter = netdev_priv(netdev); + struct atl1_hw *hw = &adapter->hw; + + ecmd->supported = (SUPPORTED_10baseT_Half | + SUPPORTED_10baseT_Full | + SUPPORTED_100baseT_Half | + SUPPORTED_100baseT_Full | + SUPPORTED_1000baseT_Full | + SUPPORTED_Autoneg | SUPPORTED_TP); + ecmd->advertising = ADVERTISED_TP; + if (hw->media_type == MEDIA_TYPE_AUTO_SENSOR || + hw->media_type == MEDIA_TYPE_1000M_FULL) { + ecmd->advertising |= ADVERTISED_Autoneg; + if (hw->media_type == MEDIA_TYPE_AUTO_SENSOR) { + ecmd->advertising |= ADVERTISED_Autoneg; + ecmd->advertising |= + (ADVERTISED_10baseT_Half | + ADVERTISED_10baseT_Full | + ADVERTISED_100baseT_Half | + ADVERTISED_100baseT_Full | + ADVERTISED_1000baseT_Full); + } else + ecmd->advertising |= (ADVERTISED_1000baseT_Full); + } + ecmd->port = PORT_TP; + ecmd->phy_address = 0; + ecmd->transceiver = XCVR_INTERNAL; + + if (netif_carrier_ok(adapter->netdev)) { + u16 link_speed, link_duplex; + atl1_get_speed_and_duplex(hw, &link_speed, &link_duplex); + ethtool_cmd_speed_set(ecmd, link_speed); + if (link_duplex == FULL_DUPLEX) + ecmd->duplex = DUPLEX_FULL; + else + ecmd->duplex = DUPLEX_HALF; + } else { + ethtool_cmd_speed_set(ecmd, -1); + ecmd->duplex = -1; + } + if (hw->media_type == MEDIA_TYPE_AUTO_SENSOR || + hw->media_type == MEDIA_TYPE_1000M_FULL) + ecmd->autoneg = AUTONEG_ENABLE; + else + ecmd->autoneg = AUTONEG_DISABLE; + + return 0; +} + +static int atl1_set_settings(struct net_device *netdev, + struct ethtool_cmd *ecmd) +{ + struct atl1_adapter *adapter = netdev_priv(netdev); + struct atl1_hw *hw = &adapter->hw; + u16 phy_data; + int ret_val = 0; + u16 old_media_type = hw->media_type; + + if (netif_running(adapter->netdev)) { + if (netif_msg_link(adapter)) + dev_dbg(&adapter->pdev->dev, + "ethtool shutting down adapter\n"); + atl1_down(adapter); + } + + if (ecmd->autoneg == AUTONEG_ENABLE) + hw->media_type = MEDIA_TYPE_AUTO_SENSOR; + else { + u32 speed = ethtool_cmd_speed(ecmd); + if (speed == SPEED_1000) { + if (ecmd->duplex != DUPLEX_FULL) { + if (netif_msg_link(adapter)) + dev_warn(&adapter->pdev->dev, + "1000M half is invalid\n"); + ret_val = -EINVAL; + goto exit_sset; + } + hw->media_type = MEDIA_TYPE_1000M_FULL; + } else if (speed == SPEED_100) { + if (ecmd->duplex == DUPLEX_FULL) + hw->media_type = MEDIA_TYPE_100M_FULL; + else + hw->media_type = MEDIA_TYPE_100M_HALF; + } else { + if (ecmd->duplex == DUPLEX_FULL) + hw->media_type = MEDIA_TYPE_10M_FULL; + else + hw->media_type = MEDIA_TYPE_10M_HALF; + } + } + switch (hw->media_type) { + case MEDIA_TYPE_AUTO_SENSOR: + ecmd->advertising = + ADVERTISED_10baseT_Half | + ADVERTISED_10baseT_Full | + ADVERTISED_100baseT_Half | + ADVERTISED_100baseT_Full | + ADVERTISED_1000baseT_Full | + ADVERTISED_Autoneg | ADVERTISED_TP; + break; + case MEDIA_TYPE_1000M_FULL: + ecmd->advertising = + ADVERTISED_1000baseT_Full | + ADVERTISED_Autoneg | ADVERTISED_TP; + break; + default: + ecmd->advertising = 0; + break; + } + if (atl1_phy_setup_autoneg_adv(hw)) { + ret_val = -EINVAL; + if (netif_msg_link(adapter)) + dev_warn(&adapter->pdev->dev, + "invalid ethtool speed/duplex setting\n"); + goto exit_sset; + } + if (hw->media_type == MEDIA_TYPE_AUTO_SENSOR || + hw->media_type == MEDIA_TYPE_1000M_FULL) + phy_data = MII_CR_RESET | MII_CR_AUTO_NEG_EN; + else { + switch (hw->media_type) { + case MEDIA_TYPE_100M_FULL: + phy_data = + MII_CR_FULL_DUPLEX | MII_CR_SPEED_100 | + MII_CR_RESET; + break; + case MEDIA_TYPE_100M_HALF: + phy_data = MII_CR_SPEED_100 | MII_CR_RESET; + break; + case MEDIA_TYPE_10M_FULL: + phy_data = + MII_CR_FULL_DUPLEX | MII_CR_SPEED_10 | MII_CR_RESET; + break; + default: + /* MEDIA_TYPE_10M_HALF: */ + phy_data = MII_CR_SPEED_10 | MII_CR_RESET; + break; + } + } + atl1_write_phy_reg(hw, MII_BMCR, phy_data); +exit_sset: + if (ret_val) + hw->media_type = old_media_type; + + if (netif_running(adapter->netdev)) { + if (netif_msg_link(adapter)) + dev_dbg(&adapter->pdev->dev, + "ethtool starting adapter\n"); + atl1_up(adapter); + } else if (!ret_val) { + if (netif_msg_link(adapter)) + dev_dbg(&adapter->pdev->dev, + "ethtool resetting adapter\n"); + atl1_reset(adapter); + } + return ret_val; +} + +static void atl1_get_drvinfo(struct net_device *netdev, + struct ethtool_drvinfo *drvinfo) +{ + struct atl1_adapter *adapter = netdev_priv(netdev); + + strlcpy(drvinfo->driver, ATLX_DRIVER_NAME, sizeof(drvinfo->driver)); + strlcpy(drvinfo->version, ATLX_DRIVER_VERSION, + sizeof(drvinfo->version)); + strlcpy(drvinfo->fw_version, "N/A", sizeof(drvinfo->fw_version)); + strlcpy(drvinfo->bus_info, pci_name(adapter->pdev), + sizeof(drvinfo->bus_info)); + drvinfo->eedump_len = ATL1_EEDUMP_LEN; +} + +static void atl1_get_wol(struct net_device *netdev, + struct ethtool_wolinfo *wol) +{ + struct atl1_adapter *adapter = netdev_priv(netdev); + + wol->supported = WAKE_MAGIC; + wol->wolopts = 0; + if (adapter->wol & ATLX_WUFC_MAG) + wol->wolopts |= WAKE_MAGIC; +} + +static int atl1_set_wol(struct net_device *netdev, + struct ethtool_wolinfo *wol) +{ + struct atl1_adapter *adapter = netdev_priv(netdev); + + if (wol->wolopts & (WAKE_PHY | WAKE_UCAST | WAKE_MCAST | WAKE_BCAST | + WAKE_ARP | WAKE_MAGICSECURE)) + return -EOPNOTSUPP; + adapter->wol = 0; + if (wol->wolopts & WAKE_MAGIC) + adapter->wol |= ATLX_WUFC_MAG; + + device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol); + + return 0; +} + +static u32 atl1_get_msglevel(struct net_device *netdev) +{ + struct atl1_adapter *adapter = netdev_priv(netdev); + return adapter->msg_enable; +} + +static void atl1_set_msglevel(struct net_device *netdev, u32 value) +{ + struct atl1_adapter *adapter = netdev_priv(netdev); + adapter->msg_enable = value; +} + +static int atl1_get_regs_len(struct net_device *netdev) +{ + return ATL1_REG_COUNT * sizeof(u32); +} + +static void atl1_get_regs(struct net_device *netdev, struct ethtool_regs *regs, + void *p) +{ + struct atl1_adapter *adapter = netdev_priv(netdev); + struct atl1_hw *hw = &adapter->hw; + unsigned int i; + u32 *regbuf = p; + + for (i = 0; i < ATL1_REG_COUNT; i++) { + /* + * This switch statement avoids reserved regions + * of register space. + */ + switch (i) { + case 6 ... 9: + case 14: + case 29 ... 31: + case 34 ... 63: + case 75 ... 127: + case 136 ... 1023: + case 1027 ... 1087: + case 1091 ... 1151: + case 1194 ... 1195: + case 1200 ... 1201: + case 1206 ... 1213: + case 1216 ... 1279: + case 1290 ... 1311: + case 1323 ... 1343: + case 1358 ... 1359: + case 1368 ... 1375: + case 1378 ... 1383: + case 1388 ... 1391: + case 1393 ... 1395: + case 1402 ... 1403: + case 1410 ... 1471: + case 1522 ... 1535: + /* reserved region; don't read it */ + regbuf[i] = 0; + break; + default: + /* unreserved region */ + regbuf[i] = ioread32(hw->hw_addr + (i * sizeof(u32))); + } + } +} + +static void atl1_get_ringparam(struct net_device *netdev, + struct ethtool_ringparam *ring) +{ + struct atl1_adapter *adapter = netdev_priv(netdev); + struct atl1_tpd_ring *txdr = &adapter->tpd_ring; + struct atl1_rfd_ring *rxdr = &adapter->rfd_ring; + + ring->rx_max_pending = ATL1_MAX_RFD; + ring->tx_max_pending = ATL1_MAX_TPD; + ring->rx_mini_max_pending = 0; + ring->rx_jumbo_max_pending = 0; + ring->rx_pending = rxdr->count; + ring->tx_pending = txdr->count; + ring->rx_mini_pending = 0; + ring->rx_jumbo_pending = 0; +} + +static int atl1_set_ringparam(struct net_device *netdev, + struct ethtool_ringparam *ring) +{ + struct atl1_adapter *adapter = netdev_priv(netdev); + struct atl1_tpd_ring *tpdr = &adapter->tpd_ring; + struct atl1_rrd_ring *rrdr = &adapter->rrd_ring; + struct atl1_rfd_ring *rfdr = &adapter->rfd_ring; + + struct atl1_tpd_ring tpd_old, tpd_new; + struct atl1_rfd_ring rfd_old, rfd_new; + struct atl1_rrd_ring rrd_old, rrd_new; + struct atl1_ring_header rhdr_old, rhdr_new; + struct atl1_smb smb; + struct atl1_cmb cmb; + int err; + + tpd_old = adapter->tpd_ring; + rfd_old = adapter->rfd_ring; + rrd_old = adapter->rrd_ring; + rhdr_old = adapter->ring_header; + + if (netif_running(adapter->netdev)) + atl1_down(adapter); + + rfdr->count = (u16) max(ring->rx_pending, (u32) ATL1_MIN_RFD); + rfdr->count = rfdr->count > ATL1_MAX_RFD ? ATL1_MAX_RFD : + rfdr->count; + rfdr->count = (rfdr->count + 3) & ~3; + rrdr->count = rfdr->count; + + tpdr->count = (u16) max(ring->tx_pending, (u32) ATL1_MIN_TPD); + tpdr->count = tpdr->count > ATL1_MAX_TPD ? ATL1_MAX_TPD : + tpdr->count; + tpdr->count = (tpdr->count + 3) & ~3; + + if (netif_running(adapter->netdev)) { + /* try to get new resources before deleting old */ + err = atl1_setup_ring_resources(adapter); + if (err) + goto err_setup_ring; + + /* + * save the new, restore the old in order to free it, + * then restore the new back again + */ + + rfd_new = adapter->rfd_ring; + rrd_new = adapter->rrd_ring; + tpd_new = adapter->tpd_ring; + rhdr_new = adapter->ring_header; + adapter->rfd_ring = rfd_old; + adapter->rrd_ring = rrd_old; + adapter->tpd_ring = tpd_old; + adapter->ring_header = rhdr_old; + /* + * Save SMB and CMB, since atl1_free_ring_resources + * will clear them. + */ + smb = adapter->smb; + cmb = adapter->cmb; + atl1_free_ring_resources(adapter); + adapter->rfd_ring = rfd_new; + adapter->rrd_ring = rrd_new; + adapter->tpd_ring = tpd_new; + adapter->ring_header = rhdr_new; + adapter->smb = smb; + adapter->cmb = cmb; + + err = atl1_up(adapter); + if (err) + return err; + } + return 0; + +err_setup_ring: + adapter->rfd_ring = rfd_old; + adapter->rrd_ring = rrd_old; + adapter->tpd_ring = tpd_old; + adapter->ring_header = rhdr_old; + atl1_up(adapter); + return err; +} + +static void atl1_get_pauseparam(struct net_device *netdev, + struct ethtool_pauseparam *epause) +{ + struct atl1_adapter *adapter = netdev_priv(netdev); + struct atl1_hw *hw = &adapter->hw; + + if (hw->media_type == MEDIA_TYPE_AUTO_SENSOR || + hw->media_type == MEDIA_TYPE_1000M_FULL) { + epause->autoneg = AUTONEG_ENABLE; + } else { + epause->autoneg = AUTONEG_DISABLE; + } + epause->rx_pause = 1; + epause->tx_pause = 1; +} + +static int atl1_set_pauseparam(struct net_device *netdev, + struct ethtool_pauseparam *epause) +{ + struct atl1_adapter *adapter = netdev_priv(netdev); + struct atl1_hw *hw = &adapter->hw; + + if (hw->media_type == MEDIA_TYPE_AUTO_SENSOR || + hw->media_type == MEDIA_TYPE_1000M_FULL) { + epause->autoneg = AUTONEG_ENABLE; + } else { + epause->autoneg = AUTONEG_DISABLE; + } + + epause->rx_pause = 1; + epause->tx_pause = 1; + + return 0; +} + +static void atl1_get_strings(struct net_device *netdev, u32 stringset, + u8 *data) +{ + u8 *p = data; + int i; + + switch (stringset) { + case ETH_SS_STATS: + for (i = 0; i < ARRAY_SIZE(atl1_gstrings_stats); i++) { + memcpy(p, atl1_gstrings_stats[i].stat_string, + ETH_GSTRING_LEN); + p += ETH_GSTRING_LEN; + } + break; + } +} + +static int atl1_nway_reset(struct net_device *netdev) +{ + struct atl1_adapter *adapter = netdev_priv(netdev); + struct atl1_hw *hw = &adapter->hw; + + if (netif_running(netdev)) { + u16 phy_data; + atl1_down(adapter); + + if (hw->media_type == MEDIA_TYPE_AUTO_SENSOR || + hw->media_type == MEDIA_TYPE_1000M_FULL) { + phy_data = MII_CR_RESET | MII_CR_AUTO_NEG_EN; + } else { + switch (hw->media_type) { + case MEDIA_TYPE_100M_FULL: + phy_data = MII_CR_FULL_DUPLEX | + MII_CR_SPEED_100 | MII_CR_RESET; + break; + case MEDIA_TYPE_100M_HALF: + phy_data = MII_CR_SPEED_100 | MII_CR_RESET; + break; + case MEDIA_TYPE_10M_FULL: + phy_data = MII_CR_FULL_DUPLEX | + MII_CR_SPEED_10 | MII_CR_RESET; + break; + default: + /* MEDIA_TYPE_10M_HALF */ + phy_data = MII_CR_SPEED_10 | MII_CR_RESET; + } + } + atl1_write_phy_reg(hw, MII_BMCR, phy_data); + atl1_up(adapter); + } + return 0; +} + +static const struct ethtool_ops atl1_ethtool_ops = { + .get_settings = atl1_get_settings, + .set_settings = atl1_set_settings, + .get_drvinfo = atl1_get_drvinfo, + .get_wol = atl1_get_wol, + .set_wol = atl1_set_wol, + .get_msglevel = atl1_get_msglevel, + .set_msglevel = atl1_set_msglevel, + .get_regs_len = atl1_get_regs_len, + .get_regs = atl1_get_regs, + .get_ringparam = atl1_get_ringparam, + .set_ringparam = atl1_set_ringparam, + .get_pauseparam = atl1_get_pauseparam, + .set_pauseparam = atl1_set_pauseparam, + .get_link = ethtool_op_get_link, + .get_strings = atl1_get_strings, + .nway_reset = atl1_nway_reset, + .get_ethtool_stats = atl1_get_ethtool_stats, + .get_sset_count = atl1_get_sset_count, +}; diff --git a/drivers/net/ethernet/atheros/atlx/atl1.h b/drivers/net/ethernet/atheros/atlx/atl1.h new file mode 100644 index 000000000000..109d6da8be97 --- /dev/null +++ b/drivers/net/ethernet/atheros/atlx/atl1.h @@ -0,0 +1,792 @@ +/* + * Copyright(c) 2005 - 2006 Attansic Corporation. All rights reserved. + * Copyright(c) 2006 - 2007 Chris Snook + * Copyright(c) 2006 - 2008 Jay Cliburn + * + * Derived from Intel e1000 driver + * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., 59 + * Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#ifndef ATL1_H +#define ATL1_H + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "atlx.h" + +#define ATLX_DRIVER_NAME "atl1" + +MODULE_DESCRIPTION("Atheros L1 Gigabit Ethernet Driver"); + +#define atlx_adapter atl1_adapter +#define atlx_check_for_link atl1_check_for_link +#define atlx_check_link atl1_check_link +#define atlx_hash_mc_addr atl1_hash_mc_addr +#define atlx_hash_set atl1_hash_set +#define atlx_hw atl1_hw +#define atlx_mii_ioctl atl1_mii_ioctl +#define atlx_read_phy_reg atl1_read_phy_reg +#define atlx_set_mac atl1_set_mac +#define atlx_set_mac_addr atl1_set_mac_addr + +struct atl1_adapter; +struct atl1_hw; + +/* function prototypes needed by multiple files */ +static u32 atl1_hash_mc_addr(struct atl1_hw *hw, u8 *mc_addr); +static void atl1_hash_set(struct atl1_hw *hw, u32 hash_value); +static void atl1_set_mac_addr(struct atl1_hw *hw); +static int atl1_mii_ioctl(struct net_device *netdev, struct ifreq *ifr, + int cmd); +static u32 atl1_check_link(struct atl1_adapter *adapter); + +/* hardware definitions specific to L1 */ + +/* Block IDLE Status Register */ +#define IDLE_STATUS_RXMAC 0x1 +#define IDLE_STATUS_TXMAC 0x2 +#define IDLE_STATUS_RXQ 0x4 +#define IDLE_STATUS_TXQ 0x8 +#define IDLE_STATUS_DMAR 0x10 +#define IDLE_STATUS_DMAW 0x20 +#define IDLE_STATUS_SMB 0x40 +#define IDLE_STATUS_CMB 0x80 + +/* MDIO Control Register */ +#define MDIO_WAIT_TIMES 30 + +/* MAC Control Register */ +#define MAC_CTRL_TX_PAUSE 0x10000 +#define MAC_CTRL_SCNT 0x20000 +#define MAC_CTRL_SRST_TX 0x40000 +#define MAC_CTRL_TX_SIMURST 0x80000 +#define MAC_CTRL_SPEED_SHIFT 20 +#define MAC_CTRL_SPEED_MASK 0x300000 +#define MAC_CTRL_SPEED_1000 0x2 +#define MAC_CTRL_SPEED_10_100 0x1 +#define MAC_CTRL_DBG_TX_BKPRESURE 0x400000 +#define MAC_CTRL_TX_HUGE 0x800000 +#define MAC_CTRL_RX_CHKSUM_EN 0x1000000 +#define MAC_CTRL_DBG 0x8000000 + +/* Wake-On-Lan control register */ +#define WOL_CLK_SWITCH_EN 0x8000 +#define WOL_PT5_EN 0x200000 +#define WOL_PT6_EN 0x400000 +#define WOL_PT5_MATCH 0x8000000 +#define WOL_PT6_MATCH 0x10000000 + +/* WOL Length ( 2 DWORD ) */ +#define REG_WOL_PATTERN_LEN 0x14A4 +#define WOL_PT_LEN_MASK 0x7F +#define WOL_PT0_LEN_SHIFT 0 +#define WOL_PT1_LEN_SHIFT 8 +#define WOL_PT2_LEN_SHIFT 16 +#define WOL_PT3_LEN_SHIFT 24 +#define WOL_PT4_LEN_SHIFT 0 +#define WOL_PT5_LEN_SHIFT 8 +#define WOL_PT6_LEN_SHIFT 16 + +/* Internal SRAM Partition Registers, low 32 bits */ +#define REG_SRAM_RFD_LEN 0x1504 +#define REG_SRAM_RRD_ADDR 0x1508 +#define REG_SRAM_RRD_LEN 0x150C +#define REG_SRAM_TPD_ADDR 0x1510 +#define REG_SRAM_TPD_LEN 0x1514 +#define REG_SRAM_TRD_ADDR 0x1518 +#define REG_SRAM_TRD_LEN 0x151C +#define REG_SRAM_RXF_ADDR 0x1520 +#define REG_SRAM_RXF_LEN 0x1524 +#define REG_SRAM_TXF_ADDR 0x1528 +#define REG_SRAM_TXF_LEN 0x152C +#define REG_SRAM_TCPH_PATH_ADDR 0x1530 +#define SRAM_TCPH_ADDR_MASK 0xFFF +#define SRAM_TCPH_ADDR_SHIFT 0 +#define SRAM_PATH_ADDR_MASK 0xFFF +#define SRAM_PATH_ADDR_SHIFT 16 + +/* Load Ptr Register */ +#define REG_LOAD_PTR 0x1534 + +/* Descriptor Control registers, low 32 bits */ +#define REG_DESC_RFD_ADDR_LO 0x1544 +#define REG_DESC_RRD_ADDR_LO 0x1548 +#define REG_DESC_TPD_ADDR_LO 0x154C +#define REG_DESC_CMB_ADDR_LO 0x1550 +#define REG_DESC_SMB_ADDR_LO 0x1554 +#define REG_DESC_RFD_RRD_RING_SIZE 0x1558 +#define DESC_RFD_RING_SIZE_MASK 0x7FF +#define DESC_RFD_RING_SIZE_SHIFT 0 +#define DESC_RRD_RING_SIZE_MASK 0x7FF +#define DESC_RRD_RING_SIZE_SHIFT 16 +#define REG_DESC_TPD_RING_SIZE 0x155C +#define DESC_TPD_RING_SIZE_MASK 0x3FF +#define DESC_TPD_RING_SIZE_SHIFT 0 + +/* TXQ Control Register */ +#define REG_TXQ_CTRL 0x1580 +#define TXQ_CTRL_TPD_BURST_NUM_SHIFT 0 +#define TXQ_CTRL_TPD_BURST_NUM_MASK 0x1F +#define TXQ_CTRL_EN 0x20 +#define TXQ_CTRL_ENH_MODE 0x40 +#define TXQ_CTRL_TPD_FETCH_TH_SHIFT 8 +#define TXQ_CTRL_TPD_FETCH_TH_MASK 0x3F +#define TXQ_CTRL_TXF_BURST_NUM_SHIFT 16 +#define TXQ_CTRL_TXF_BURST_NUM_MASK 0xFFFF + +/* Jumbo packet Threshold for task offload */ +#define REG_TX_JUMBO_TASK_TH_TPD_IPG 0x1584 +#define TX_JUMBO_TASK_TH_MASK 0x7FF +#define TX_JUMBO_TASK_TH_SHIFT 0 +#define TX_TPD_MIN_IPG_MASK 0x1F +#define TX_TPD_MIN_IPG_SHIFT 16 + +/* RXQ Control Register */ +#define REG_RXQ_CTRL 0x15A0 +#define RXQ_CTRL_RFD_BURST_NUM_SHIFT 0 +#define RXQ_CTRL_RFD_BURST_NUM_MASK 0xFF +#define RXQ_CTRL_RRD_BURST_THRESH_SHIFT 8 +#define RXQ_CTRL_RRD_BURST_THRESH_MASK 0xFF +#define RXQ_CTRL_RFD_PREF_MIN_IPG_SHIFT 16 +#define RXQ_CTRL_RFD_PREF_MIN_IPG_MASK 0x1F +#define RXQ_CTRL_CUT_THRU_EN 0x40000000 +#define RXQ_CTRL_EN 0x80000000 + +/* Rx jumbo packet threshold and rrd retirement timer */ +#define REG_RXQ_JMBOSZ_RRDTIM 0x15A4 +#define RXQ_JMBOSZ_TH_MASK 0x7FF +#define RXQ_JMBOSZ_TH_SHIFT 0 +#define RXQ_JMBO_LKAH_MASK 0xF +#define RXQ_JMBO_LKAH_SHIFT 11 +#define RXQ_RRD_TIMER_MASK 0xFFFF +#define RXQ_RRD_TIMER_SHIFT 16 + +/* RFD flow control register */ +#define REG_RXQ_RXF_PAUSE_THRESH 0x15A8 +#define RXQ_RXF_PAUSE_TH_HI_SHIFT 16 +#define RXQ_RXF_PAUSE_TH_HI_MASK 0xFFF +#define RXQ_RXF_PAUSE_TH_LO_SHIFT 0 +#define RXQ_RXF_PAUSE_TH_LO_MASK 0xFFF + +/* RRD flow control register */ +#define REG_RXQ_RRD_PAUSE_THRESH 0x15AC +#define RXQ_RRD_PAUSE_TH_HI_SHIFT 0 +#define RXQ_RRD_PAUSE_TH_HI_MASK 0xFFF +#define RXQ_RRD_PAUSE_TH_LO_SHIFT 16 +#define RXQ_RRD_PAUSE_TH_LO_MASK 0xFFF + +/* DMA Engine Control Register */ +#define REG_DMA_CTRL 0x15C0 +#define DMA_CTRL_DMAR_IN_ORDER 0x1 +#define DMA_CTRL_DMAR_ENH_ORDER 0x2 +#define DMA_CTRL_DMAR_OUT_ORDER 0x4 +#define DMA_CTRL_RCB_VALUE 0x8 +#define DMA_CTRL_DMAR_BURST_LEN_SHIFT 4 +#define DMA_CTRL_DMAR_BURST_LEN_MASK 7 +#define DMA_CTRL_DMAW_BURST_LEN_SHIFT 7 +#define DMA_CTRL_DMAW_BURST_LEN_MASK 7 +#define DMA_CTRL_DMAR_EN 0x400 +#define DMA_CTRL_DMAW_EN 0x800 + +/* CMB/SMB Control Register */ +#define REG_CSMB_CTRL 0x15D0 +#define CSMB_CTRL_CMB_NOW 1 +#define CSMB_CTRL_SMB_NOW 2 +#define CSMB_CTRL_CMB_EN 4 +#define CSMB_CTRL_SMB_EN 8 + +/* CMB DMA Write Threshold Register */ +#define REG_CMB_WRITE_TH 0x15D4 +#define CMB_RRD_TH_SHIFT 0 +#define CMB_RRD_TH_MASK 0x7FF +#define CMB_TPD_TH_SHIFT 16 +#define CMB_TPD_TH_MASK 0x7FF + +/* RX/TX count-down timer to trigger CMB-write. 2us resolution. */ +#define REG_CMB_WRITE_TIMER 0x15D8 +#define CMB_RX_TM_SHIFT 0 +#define CMB_RX_TM_MASK 0xFFFF +#define CMB_TX_TM_SHIFT 16 +#define CMB_TX_TM_MASK 0xFFFF + +/* Number of packet received since last CMB write */ +#define REG_CMB_RX_PKT_CNT 0x15DC + +/* Number of packet transmitted since last CMB write */ +#define REG_CMB_TX_PKT_CNT 0x15E0 + +/* SMB auto DMA timer register */ +#define REG_SMB_TIMER 0x15E4 + +/* Mailbox Register */ +#define REG_MAILBOX 0x15F0 +#define MB_RFD_PROD_INDX_SHIFT 0 +#define MB_RFD_PROD_INDX_MASK 0x7FF +#define MB_RRD_CONS_INDX_SHIFT 11 +#define MB_RRD_CONS_INDX_MASK 0x7FF +#define MB_TPD_PROD_INDX_SHIFT 22 +#define MB_TPD_PROD_INDX_MASK 0x3FF + +/* Interrupt Status Register */ +#define ISR_SMB 0x1 +#define ISR_TIMER 0x2 +#define ISR_MANUAL 0x4 +#define ISR_RXF_OV 0x8 +#define ISR_RFD_UNRUN 0x10 +#define ISR_RRD_OV 0x20 +#define ISR_TXF_UNRUN 0x40 +#define ISR_LINK 0x80 +#define ISR_HOST_RFD_UNRUN 0x100 +#define ISR_HOST_RRD_OV 0x200 +#define ISR_DMAR_TO_RST 0x400 +#define ISR_DMAW_TO_RST 0x800 +#define ISR_GPHY 0x1000 +#define ISR_RX_PKT 0x10000 +#define ISR_TX_PKT 0x20000 +#define ISR_TX_DMA 0x40000 +#define ISR_RX_DMA 0x80000 +#define ISR_CMB_RX 0x100000 +#define ISR_CMB_TX 0x200000 +#define ISR_MAC_RX 0x400000 +#define ISR_MAC_TX 0x800000 +#define ISR_DIS_SMB 0x20000000 +#define ISR_DIS_DMA 0x40000000 + +/* Normal Interrupt mask */ +#define IMR_NORMAL_MASK (\ + ISR_SMB |\ + ISR_GPHY |\ + ISR_PHY_LINKDOWN|\ + ISR_DMAR_TO_RST |\ + ISR_DMAW_TO_RST |\ + ISR_CMB_TX |\ + ISR_CMB_RX) + +/* Debug Interrupt Mask (enable all interrupt) */ +#define IMR_DEBUG_MASK (\ + ISR_SMB |\ + ISR_TIMER |\ + ISR_MANUAL |\ + ISR_RXF_OV |\ + ISR_RFD_UNRUN |\ + ISR_RRD_OV |\ + ISR_TXF_UNRUN |\ + ISR_LINK |\ + ISR_CMB_TX |\ + ISR_CMB_RX |\ + ISR_RX_PKT |\ + ISR_TX_PKT |\ + ISR_MAC_RX |\ + ISR_MAC_TX) + +#define MEDIA_TYPE_1000M_FULL 1 +#define MEDIA_TYPE_100M_FULL 2 +#define MEDIA_TYPE_100M_HALF 3 +#define MEDIA_TYPE_10M_FULL 4 +#define MEDIA_TYPE_10M_HALF 5 + +#define AUTONEG_ADVERTISE_SPEED_DEFAULT 0x002F /* All but 1000-Half */ + +#define MAX_JUMBO_FRAME_SIZE 10240 + +#define ATL1_EEDUMP_LEN 48 + +/* Statistics counters collected by the MAC */ +struct stats_msg_block { + /* rx */ + u32 rx_ok; /* good RX packets */ + u32 rx_bcast; /* good RX broadcast packets */ + u32 rx_mcast; /* good RX multicast packets */ + u32 rx_pause; /* RX pause frames */ + u32 rx_ctrl; /* RX control packets other than pause frames */ + u32 rx_fcs_err; /* RX packets with bad FCS */ + u32 rx_len_err; /* RX packets with length != actual size */ + u32 rx_byte_cnt; /* good bytes received. FCS is NOT included */ + u32 rx_runt; /* RX packets < 64 bytes with good FCS */ + u32 rx_frag; /* RX packets < 64 bytes with bad FCS */ + u32 rx_sz_64; /* 64 byte RX packets */ + u32 rx_sz_65_127; + u32 rx_sz_128_255; + u32 rx_sz_256_511; + u32 rx_sz_512_1023; + u32 rx_sz_1024_1518; + u32 rx_sz_1519_max; /* 1519 byte to MTU RX packets */ + u32 rx_sz_ov; /* truncated RX packets > MTU */ + u32 rx_rxf_ov; /* frames dropped due to RX FIFO overflow */ + u32 rx_rrd_ov; /* frames dropped due to RRD overflow */ + u32 rx_align_err; /* alignment errors */ + u32 rx_bcast_byte_cnt; /* RX broadcast bytes, excluding FCS */ + u32 rx_mcast_byte_cnt; /* RX multicast bytes, excluding FCS */ + u32 rx_err_addr; /* packets dropped due to address filtering */ + + /* tx */ + u32 tx_ok; /* good TX packets */ + u32 tx_bcast; /* good TX broadcast packets */ + u32 tx_mcast; /* good TX multicast packets */ + u32 tx_pause; /* TX pause frames */ + u32 tx_exc_defer; /* TX packets deferred excessively */ + u32 tx_ctrl; /* TX control frames, excluding pause frames */ + u32 tx_defer; /* TX packets deferred */ + u32 tx_byte_cnt; /* bytes transmitted, FCS is NOT included */ + u32 tx_sz_64; /* 64 byte TX packets */ + u32 tx_sz_65_127; + u32 tx_sz_128_255; + u32 tx_sz_256_511; + u32 tx_sz_512_1023; + u32 tx_sz_1024_1518; + u32 tx_sz_1519_max; /* 1519 byte to MTU TX packets */ + u32 tx_1_col; /* packets TX after a single collision */ + u32 tx_2_col; /* packets TX after multiple collisions */ + u32 tx_late_col; /* TX packets with late collisions */ + u32 tx_abort_col; /* TX packets aborted w/excessive collisions */ + u32 tx_underrun; /* TX packets aborted due to TX FIFO underrun + * or TRD FIFO underrun */ + u32 tx_rd_eop; /* reads beyond the EOP into the next frame + * when TRD was not written timely */ + u32 tx_len_err; /* TX packets where length != actual size */ + u32 tx_trunc; /* TX packets truncated due to size > MTU */ + u32 tx_bcast_byte; /* broadcast bytes transmitted, excluding FCS */ + u32 tx_mcast_byte; /* multicast bytes transmitted, excluding FCS */ + u32 smb_updated; /* 1: SMB Updated. This is used by software to + * indicate the statistics update. Software + * should clear this bit after retrieving the + * statistics information. */ +}; + +/* Coalescing Message Block */ +struct coals_msg_block { + u32 int_stats; /* interrupt status */ + u16 rrd_prod_idx; /* TRD Producer Index. */ + u16 rfd_cons_idx; /* RFD Consumer Index. */ + u16 update; /* Selene sets this bit every time it DMAs the + * CMB to host memory. Software should clear + * this bit when CMB info is processed. */ + u16 tpd_cons_idx; /* TPD Consumer Index. */ +}; + +/* RRD descriptor */ +struct rx_return_desc { + u8 num_buf; /* Number of RFD buffers used by the received packet */ + u8 resved; + u16 buf_indx; /* RFD Index of the first buffer */ + union { + u32 valid; + struct { + u16 rx_chksum; + u16 pkt_size; + } xsum_sz; + } xsz; + + u16 pkt_flg; /* Packet flags */ + u16 err_flg; /* Error flags */ + u16 resved2; + u16 vlan_tag; /* VLAN TAG */ +}; + +#define PACKET_FLAG_ETH_TYPE 0x0080 +#define PACKET_FLAG_VLAN_INS 0x0100 +#define PACKET_FLAG_ERR 0x0200 +#define PACKET_FLAG_IPV4 0x0400 +#define PACKET_FLAG_UDP 0x0800 +#define PACKET_FLAG_TCP 0x1000 +#define PACKET_FLAG_BCAST 0x2000 +#define PACKET_FLAG_MCAST 0x4000 +#define PACKET_FLAG_PAUSE 0x8000 + +#define ERR_FLAG_CRC 0x0001 +#define ERR_FLAG_CODE 0x0002 +#define ERR_FLAG_DRIBBLE 0x0004 +#define ERR_FLAG_RUNT 0x0008 +#define ERR_FLAG_OV 0x0010 +#define ERR_FLAG_TRUNC 0x0020 +#define ERR_FLAG_IP_CHKSUM 0x0040 +#define ERR_FLAG_L4_CHKSUM 0x0080 +#define ERR_FLAG_LEN 0x0100 +#define ERR_FLAG_DES_ADDR 0x0200 + +/* RFD descriptor */ +struct rx_free_desc { + __le64 buffer_addr; /* Address of the descriptor's data buffer */ + __le16 buf_len; /* Size of the receive buffer in host memory */ + u16 coalese; /* Update consumer index to host after the + * reception of this frame */ + /* __packed is required */ +} __packed; + +/* + * The L1 transmit packet descriptor is comprised of four 32-bit words. + * + * 31 0 + * +---------------------------------------+ + * | Word 0: Buffer addr lo | + * +---------------------------------------+ + * | Word 1: Buffer addr hi | + * +---------------------------------------+ + * | Word 2 | + * +---------------------------------------+ + * | Word 3 | + * +---------------------------------------+ + * + * Words 0 and 1 combine to form a 64-bit buffer address. + * + * Word 2 is self explanatory in the #define block below. + * + * Word 3 has two forms, depending upon the state of bits 3 and 4. + * If bits 3 and 4 are both zero, then bits 14:31 are unused by the + * hardware. Otherwise, if either bit 3 or 4 is set, the definition + * of bits 14:31 vary according to the following depiction. + * + * 0 End of packet 0 End of packet + * 1 Coalesce 1 Coalesce + * 2 Insert VLAN tag 2 Insert VLAN tag + * 3 Custom csum enable = 0 3 Custom csum enable = 1 + * 4 Segment enable = 1 4 Segment enable = 0 + * 5 Generate IP checksum 5 Generate IP checksum + * 6 Generate TCP checksum 6 Generate TCP checksum + * 7 Generate UDP checksum 7 Generate UDP checksum + * 8 VLAN tagged 8 VLAN tagged + * 9 Ethernet frame type 9 Ethernet frame type + * 10-+ 10-+ + * 11 | IP hdr length (10:13) 11 | IP hdr length (10:13) + * 12 | (num 32-bit words) 12 | (num 32-bit words) + * 13-+ 13-+ + * 14-+ 14 Unused + * 15 | TCP hdr length (14:17) 15 Unused + * 16 | (num 32-bit words) 16-+ + * 17-+ 17 | + * 18 Header TPD flag 18 | + * 19-+ 19 | Payload offset + * 20 | 20 | (16:23) + * 21 | 21 | + * 22 | 22 | + * 23 | 23-+ + * 24 | 24-+ + * 25 | MSS (19:31) 25 | + * 26 | 26 | + * 27 | 27 | Custom csum offset + * 28 | 28 | (24:31) + * 29 | 29 | + * 30 | 30 | + * 31-+ 31-+ + */ + +/* tpd word 2 */ +#define TPD_BUFLEN_MASK 0x3FFF +#define TPD_BUFLEN_SHIFT 0 +#define TPD_DMAINT_MASK 0x0001 +#define TPD_DMAINT_SHIFT 14 +#define TPD_PKTNT_MASK 0x0001 +#define TPD_PKTINT_SHIFT 15 +#define TPD_VLANTAG_MASK 0xFFFF +#define TPD_VLANTAG_SHIFT 16 + +/* tpd word 3 bits 0:13 */ +#define TPD_EOP_MASK 0x0001 +#define TPD_EOP_SHIFT 0 +#define TPD_COALESCE_MASK 0x0001 +#define TPD_COALESCE_SHIFT 1 +#define TPD_INS_VL_TAG_MASK 0x0001 +#define TPD_INS_VL_TAG_SHIFT 2 +#define TPD_CUST_CSUM_EN_MASK 0x0001 +#define TPD_CUST_CSUM_EN_SHIFT 3 +#define TPD_SEGMENT_EN_MASK 0x0001 +#define TPD_SEGMENT_EN_SHIFT 4 +#define TPD_IP_CSUM_MASK 0x0001 +#define TPD_IP_CSUM_SHIFT 5 +#define TPD_TCP_CSUM_MASK 0x0001 +#define TPD_TCP_CSUM_SHIFT 6 +#define TPD_UDP_CSUM_MASK 0x0001 +#define TPD_UDP_CSUM_SHIFT 7 +#define TPD_VL_TAGGED_MASK 0x0001 +#define TPD_VL_TAGGED_SHIFT 8 +#define TPD_ETHTYPE_MASK 0x0001 +#define TPD_ETHTYPE_SHIFT 9 +#define TPD_IPHL_MASK 0x000F +#define TPD_IPHL_SHIFT 10 + +/* tpd word 3 bits 14:31 if segment enabled */ +#define TPD_TCPHDRLEN_MASK 0x000F +#define TPD_TCPHDRLEN_SHIFT 14 +#define TPD_HDRFLAG_MASK 0x0001 +#define TPD_HDRFLAG_SHIFT 18 +#define TPD_MSS_MASK 0x1FFF +#define TPD_MSS_SHIFT 19 + +/* tpd word 3 bits 16:31 if custom csum enabled */ +#define TPD_PLOADOFFSET_MASK 0x00FF +#define TPD_PLOADOFFSET_SHIFT 16 +#define TPD_CCSUMOFFSET_MASK 0x00FF +#define TPD_CCSUMOFFSET_SHIFT 24 + +struct tx_packet_desc { + __le64 buffer_addr; + __le32 word2; + __le32 word3; +}; + +/* DMA Order Settings */ +enum atl1_dma_order { + atl1_dma_ord_in = 1, + atl1_dma_ord_enh = 2, + atl1_dma_ord_out = 4 +}; + +enum atl1_dma_rcb { + atl1_rcb_64 = 0, + atl1_rcb_128 = 1 +}; + +enum atl1_dma_req_block { + atl1_dma_req_128 = 0, + atl1_dma_req_256 = 1, + atl1_dma_req_512 = 2, + atl1_dma_req_1024 = 3, + atl1_dma_req_2048 = 4, + atl1_dma_req_4096 = 5 +}; + +#define ATL1_MAX_INTR 3 +#define ATL1_MAX_TX_BUF_LEN 0x3000 /* 12288 bytes */ + +#define ATL1_DEFAULT_TPD 256 +#define ATL1_MAX_TPD 1024 +#define ATL1_MIN_TPD 64 +#define ATL1_DEFAULT_RFD 512 +#define ATL1_MIN_RFD 128 +#define ATL1_MAX_RFD 2048 +#define ATL1_REG_COUNT 1538 + +#define ATL1_GET_DESC(R, i, type) (&(((type *)((R)->desc))[i])) +#define ATL1_RFD_DESC(R, i) ATL1_GET_DESC(R, i, struct rx_free_desc) +#define ATL1_TPD_DESC(R, i) ATL1_GET_DESC(R, i, struct tx_packet_desc) +#define ATL1_RRD_DESC(R, i) ATL1_GET_DESC(R, i, struct rx_return_desc) + +/* + * atl1_ring_header represents a single, contiguous block of DMA space + * mapped for the three descriptor rings (tpd, rfd, rrd) and the two + * message blocks (cmb, smb) described below + */ +struct atl1_ring_header { + void *desc; /* virtual address */ + dma_addr_t dma; /* physical address*/ + unsigned int size; /* length in bytes */ +}; + +/* + * atl1_buffer is wrapper around a pointer to a socket buffer + * so a DMA handle can be stored along with the skb + */ +struct atl1_buffer { + struct sk_buff *skb; /* socket buffer */ + u16 length; /* rx buffer length */ + u16 alloced; /* 1 if skb allocated */ + dma_addr_t dma; +}; + +/* transmit packet descriptor (tpd) ring */ +struct atl1_tpd_ring { + void *desc; /* descriptor ring virtual address */ + dma_addr_t dma; /* descriptor ring physical address */ + u16 size; /* descriptor ring length in bytes */ + u16 count; /* number of descriptors in the ring */ + u16 hw_idx; /* hardware index */ + atomic_t next_to_clean; + atomic_t next_to_use; + struct atl1_buffer *buffer_info; +}; + +/* receive free descriptor (rfd) ring */ +struct atl1_rfd_ring { + void *desc; /* descriptor ring virtual address */ + dma_addr_t dma; /* descriptor ring physical address */ + u16 size; /* descriptor ring length in bytes */ + u16 count; /* number of descriptors in the ring */ + atomic_t next_to_use; + u16 next_to_clean; + struct atl1_buffer *buffer_info; +}; + +/* receive return descriptor (rrd) ring */ +struct atl1_rrd_ring { + void *desc; /* descriptor ring virtual address */ + dma_addr_t dma; /* descriptor ring physical address */ + unsigned int size; /* descriptor ring length in bytes */ + u16 count; /* number of descriptors in the ring */ + u16 next_to_use; + atomic_t next_to_clean; +}; + +/* coalescing message block (cmb) */ +struct atl1_cmb { + struct coals_msg_block *cmb; + dma_addr_t dma; +}; + +/* statistics message block (smb) */ +struct atl1_smb { + struct stats_msg_block *smb; + dma_addr_t dma; +}; + +/* Statistics counters */ +struct atl1_sft_stats { + u64 rx_packets; + u64 tx_packets; + u64 rx_bytes; + u64 tx_bytes; + u64 multicast; + u64 collisions; + u64 rx_errors; + u64 rx_length_errors; + u64 rx_crc_errors; + u64 rx_frame_errors; + u64 rx_fifo_errors; + u64 rx_missed_errors; + u64 tx_errors; + u64 tx_fifo_errors; + u64 tx_aborted_errors; + u64 tx_window_errors; + u64 tx_carrier_errors; + u64 tx_pause; /* TX pause frames */ + u64 excecol; /* TX packets w/ excessive collisions */ + u64 deffer; /* TX packets deferred */ + u64 scc; /* packets TX after a single collision */ + u64 mcc; /* packets TX after multiple collisions */ + u64 latecol; /* TX packets w/ late collisions */ + u64 tx_underun; /* TX packets aborted due to TX FIFO underrun + * or TRD FIFO underrun */ + u64 tx_trunc; /* TX packets truncated due to size > MTU */ + u64 rx_pause; /* num Pause packets received. */ + u64 rx_rrd_ov; + u64 rx_trunc; +}; + +/* hardware structure */ +struct atl1_hw { + u8 __iomem *hw_addr; + struct atl1_adapter *back; + enum atl1_dma_order dma_ord; + enum atl1_dma_rcb rcb_value; + enum atl1_dma_req_block dmar_block; + enum atl1_dma_req_block dmaw_block; + u8 preamble_len; + u8 max_retry; + u8 jam_ipg; /* IPG to start JAM for collision based flow + * control in half-duplex mode. In units of + * 8-bit time */ + u8 ipgt; /* Desired back to back inter-packet gap. + * The default is 96-bit time */ + u8 min_ifg; /* Minimum number of IFG to enforce in between + * receive frames. Frame gap below such IFP + * is dropped */ + u8 ipgr1; /* 64bit Carrier-Sense window */ + u8 ipgr2; /* 96-bit IPG window */ + u8 tpd_burst; /* Number of TPD to prefetch in cache-aligned + * burst. Each TPD is 16 bytes long */ + u8 rfd_burst; /* Number of RFD to prefetch in cache-aligned + * burst. Each RFD is 12 bytes long */ + u8 rfd_fetch_gap; + u8 rrd_burst; /* Threshold number of RRDs that can be retired + * in a burst. Each RRD is 16 bytes long */ + u8 tpd_fetch_th; + u8 tpd_fetch_gap; + u16 tx_jumbo_task_th; + u16 txf_burst; /* Number of data bytes to read in a cache- + * aligned burst. Each SRAM entry is 8 bytes */ + u16 rx_jumbo_th; /* Jumbo packet size for non-VLAN packet. VLAN + * packets should add 4 bytes */ + u16 rx_jumbo_lkah; + u16 rrd_ret_timer; /* RRD retirement timer. Decrement by 1 after + * every 512ns passes. */ + u16 lcol; /* Collision Window */ + + u16 cmb_tpd; + u16 cmb_rrd; + u16 cmb_rx_timer; + u16 cmb_tx_timer; + u32 smb_timer; + u16 media_type; + u16 autoneg_advertised; + + u16 mii_autoneg_adv_reg; + u16 mii_1000t_ctrl_reg; + + u32 max_frame_size; + u32 min_frame_size; + + u16 dev_rev; + + /* spi flash */ + u8 flash_vendor; + + u8 mac_addr[ETH_ALEN]; + u8 perm_mac_addr[ETH_ALEN]; + + bool phy_configured; +}; + +struct atl1_adapter { + struct net_device *netdev; + struct pci_dev *pdev; + + struct atl1_sft_stats soft_stats; + u32 rx_buffer_len; + u32 wol; + u16 link_speed; + u16 link_duplex; + spinlock_t lock; + struct work_struct tx_timeout_task; + struct work_struct link_chg_task; + struct work_struct pcie_dma_to_rst_task; + + struct timer_list phy_config_timer; + bool phy_timer_pending; + + /* all descriptor rings' memory */ + struct atl1_ring_header ring_header; + + /* TX */ + struct atl1_tpd_ring tpd_ring; + spinlock_t mb_lock; + + /* RX */ + struct atl1_rfd_ring rfd_ring; + struct atl1_rrd_ring rrd_ring; + u64 hw_csum_err; + u64 hw_csum_good; + u32 msg_enable; + u16 imt; /* interrupt moderator timer (2us resolution) */ + u16 ict; /* interrupt clear timer (2us resolution */ + struct mii_if_info mii; /* MII interface info */ + + u32 bd_number; /* board number */ + bool pci_using_64; + struct atl1_hw hw; + struct atl1_smb smb; + struct atl1_cmb cmb; +}; + +#endif /* ATL1_H */ diff --git a/drivers/net/ethernet/atheros/atlx/atl2.c b/drivers/net/ethernet/atheros/atlx/atl2.c new file mode 100644 index 000000000000..d4f7dda39721 --- /dev/null +++ b/drivers/net/ethernet/atheros/atlx/atl2.c @@ -0,0 +1,3119 @@ +/* + * Copyright(c) 2006 - 2007 Atheros Corporation. All rights reserved. + * Copyright(c) 2007 - 2008 Chris Snook + * + * Derived from Intel e1000 driver + * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., 59 + * Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "atl2.h" + +#define ATL2_DRV_VERSION "2.2.3" + +static const char atl2_driver_name[] = "atl2"; +static const char atl2_driver_string[] = "Atheros(R) L2 Ethernet Driver"; +static const char atl2_copyright[] = "Copyright (c) 2007 Atheros Corporation."; +static const char atl2_driver_version[] = ATL2_DRV_VERSION; + +MODULE_AUTHOR("Atheros Corporation , Chris Snook "); +MODULE_DESCRIPTION("Atheros Fast Ethernet Network Driver"); +MODULE_LICENSE("GPL"); +MODULE_VERSION(ATL2_DRV_VERSION); + +/* + * atl2_pci_tbl - PCI Device ID Table + */ +static DEFINE_PCI_DEVICE_TABLE(atl2_pci_tbl) = { + {PCI_DEVICE(PCI_VENDOR_ID_ATTANSIC, PCI_DEVICE_ID_ATTANSIC_L2)}, + /* required last entry */ + {0,} +}; +MODULE_DEVICE_TABLE(pci, atl2_pci_tbl); + +static void atl2_set_ethtool_ops(struct net_device *netdev); + +static void atl2_check_options(struct atl2_adapter *adapter); + +/* + * atl2_sw_init - Initialize general software structures (struct atl2_adapter) + * @adapter: board private structure to initialize + * + * atl2_sw_init initializes the Adapter private data structure. + * Fields are initialized based on PCI device information and + * OS network device settings (MTU size). + */ +static int __devinit atl2_sw_init(struct atl2_adapter *adapter) +{ + struct atl2_hw *hw = &adapter->hw; + struct pci_dev *pdev = adapter->pdev; + + /* PCI config space info */ + hw->vendor_id = pdev->vendor; + hw->device_id = pdev->device; + hw->subsystem_vendor_id = pdev->subsystem_vendor; + hw->subsystem_id = pdev->subsystem_device; + hw->revision_id = pdev->revision; + + pci_read_config_word(pdev, PCI_COMMAND, &hw->pci_cmd_word); + + adapter->wol = 0; + adapter->ict = 50000; /* ~100ms */ + adapter->link_speed = SPEED_0; /* hardware init */ + adapter->link_duplex = FULL_DUPLEX; + + hw->phy_configured = false; + hw->preamble_len = 7; + hw->ipgt = 0x60; + hw->min_ifg = 0x50; + hw->ipgr1 = 0x40; + hw->ipgr2 = 0x60; + hw->retry_buf = 2; + hw->max_retry = 0xf; + hw->lcol = 0x37; + hw->jam_ipg = 7; + hw->fc_rxd_hi = 0; + hw->fc_rxd_lo = 0; + hw->max_frame_size = adapter->netdev->mtu; + + spin_lock_init(&adapter->stats_lock); + + set_bit(__ATL2_DOWN, &adapter->flags); + + return 0; +} + +/* + * atl2_set_multi - Multicast and Promiscuous mode set + * @netdev: network interface device structure + * + * The set_multi entry point is called whenever the multicast address + * list or the network interface flags are updated. This routine is + * responsible for configuring the hardware for proper multicast, + * promiscuous mode, and all-multi behavior. + */ +static void atl2_set_multi(struct net_device *netdev) +{ + struct atl2_adapter *adapter = netdev_priv(netdev); + struct atl2_hw *hw = &adapter->hw; + struct netdev_hw_addr *ha; + u32 rctl; + u32 hash_value; + + /* Check for Promiscuous and All Multicast modes */ + rctl = ATL2_READ_REG(hw, REG_MAC_CTRL); + + if (netdev->flags & IFF_PROMISC) { + rctl |= MAC_CTRL_PROMIS_EN; + } else if (netdev->flags & IFF_ALLMULTI) { + rctl |= MAC_CTRL_MC_ALL_EN; + rctl &= ~MAC_CTRL_PROMIS_EN; + } else + rctl &= ~(MAC_CTRL_PROMIS_EN | MAC_CTRL_MC_ALL_EN); + + ATL2_WRITE_REG(hw, REG_MAC_CTRL, rctl); + + /* clear the old settings from the multicast hash table */ + ATL2_WRITE_REG(hw, REG_RX_HASH_TABLE, 0); + ATL2_WRITE_REG_ARRAY(hw, REG_RX_HASH_TABLE, 1, 0); + + /* comoute mc addresses' hash value ,and put it into hash table */ + netdev_for_each_mc_addr(ha, netdev) { + hash_value = atl2_hash_mc_addr(hw, ha->addr); + atl2_hash_set(hw, hash_value); + } +} + +static void init_ring_ptrs(struct atl2_adapter *adapter) +{ + /* Read / Write Ptr Initialize: */ + adapter->txd_write_ptr = 0; + atomic_set(&adapter->txd_read_ptr, 0); + + adapter->rxd_read_ptr = 0; + adapter->rxd_write_ptr = 0; + + atomic_set(&adapter->txs_write_ptr, 0); + adapter->txs_next_clear = 0; +} + +/* + * atl2_configure - Configure Transmit&Receive Unit after Reset + * @adapter: board private structure + * + * Configure the Tx /Rx unit of the MAC after a reset. + */ +static int atl2_configure(struct atl2_adapter *adapter) +{ + struct atl2_hw *hw = &adapter->hw; + u32 value; + + /* clear interrupt status */ + ATL2_WRITE_REG(&adapter->hw, REG_ISR, 0xffffffff); + + /* set MAC Address */ + value = (((u32)hw->mac_addr[2]) << 24) | + (((u32)hw->mac_addr[3]) << 16) | + (((u32)hw->mac_addr[4]) << 8) | + (((u32)hw->mac_addr[5])); + ATL2_WRITE_REG(hw, REG_MAC_STA_ADDR, value); + value = (((u32)hw->mac_addr[0]) << 8) | + (((u32)hw->mac_addr[1])); + ATL2_WRITE_REG(hw, (REG_MAC_STA_ADDR+4), value); + + /* HI base address */ + ATL2_WRITE_REG(hw, REG_DESC_BASE_ADDR_HI, + (u32)((adapter->ring_dma & 0xffffffff00000000ULL) >> 32)); + + /* LO base address */ + ATL2_WRITE_REG(hw, REG_TXD_BASE_ADDR_LO, + (u32)(adapter->txd_dma & 0x00000000ffffffffULL)); + ATL2_WRITE_REG(hw, REG_TXS_BASE_ADDR_LO, + (u32)(adapter->txs_dma & 0x00000000ffffffffULL)); + ATL2_WRITE_REG(hw, REG_RXD_BASE_ADDR_LO, + (u32)(adapter->rxd_dma & 0x00000000ffffffffULL)); + + /* element count */ + ATL2_WRITE_REGW(hw, REG_TXD_MEM_SIZE, (u16)(adapter->txd_ring_size/4)); + ATL2_WRITE_REGW(hw, REG_TXS_MEM_SIZE, (u16)adapter->txs_ring_size); + ATL2_WRITE_REGW(hw, REG_RXD_BUF_NUM, (u16)adapter->rxd_ring_size); + + /* config Internal SRAM */ +/* + ATL2_WRITE_REGW(hw, REG_SRAM_TXRAM_END, sram_tx_end); + ATL2_WRITE_REGW(hw, REG_SRAM_TXRAM_END, sram_rx_end); +*/ + + /* config IPG/IFG */ + value = (((u32)hw->ipgt & MAC_IPG_IFG_IPGT_MASK) << + MAC_IPG_IFG_IPGT_SHIFT) | + (((u32)hw->min_ifg & MAC_IPG_IFG_MIFG_MASK) << + MAC_IPG_IFG_MIFG_SHIFT) | + (((u32)hw->ipgr1 & MAC_IPG_IFG_IPGR1_MASK) << + MAC_IPG_IFG_IPGR1_SHIFT)| + (((u32)hw->ipgr2 & MAC_IPG_IFG_IPGR2_MASK) << + MAC_IPG_IFG_IPGR2_SHIFT); + ATL2_WRITE_REG(hw, REG_MAC_IPG_IFG, value); + + /* config Half-Duplex Control */ + value = ((u32)hw->lcol & MAC_HALF_DUPLX_CTRL_LCOL_MASK) | + (((u32)hw->max_retry & MAC_HALF_DUPLX_CTRL_RETRY_MASK) << + MAC_HALF_DUPLX_CTRL_RETRY_SHIFT) | + MAC_HALF_DUPLX_CTRL_EXC_DEF_EN | + (0xa << MAC_HALF_DUPLX_CTRL_ABEBT_SHIFT) | + (((u32)hw->jam_ipg & MAC_HALF_DUPLX_CTRL_JAMIPG_MASK) << + MAC_HALF_DUPLX_CTRL_JAMIPG_SHIFT); + ATL2_WRITE_REG(hw, REG_MAC_HALF_DUPLX_CTRL, value); + + /* set Interrupt Moderator Timer */ + ATL2_WRITE_REGW(hw, REG_IRQ_MODU_TIMER_INIT, adapter->imt); + ATL2_WRITE_REG(hw, REG_MASTER_CTRL, MASTER_CTRL_ITIMER_EN); + + /* set Interrupt Clear Timer */ + ATL2_WRITE_REGW(hw, REG_CMBDISDMA_TIMER, adapter->ict); + + /* set MTU */ + ATL2_WRITE_REG(hw, REG_MTU, adapter->netdev->mtu + + ENET_HEADER_SIZE + VLAN_SIZE + ETHERNET_FCS_SIZE); + + /* 1590 */ + ATL2_WRITE_REG(hw, REG_TX_CUT_THRESH, 0x177); + + /* flow control */ + ATL2_WRITE_REGW(hw, REG_PAUSE_ON_TH, hw->fc_rxd_hi); + ATL2_WRITE_REGW(hw, REG_PAUSE_OFF_TH, hw->fc_rxd_lo); + + /* Init mailbox */ + ATL2_WRITE_REGW(hw, REG_MB_TXD_WR_IDX, (u16)adapter->txd_write_ptr); + ATL2_WRITE_REGW(hw, REG_MB_RXD_RD_IDX, (u16)adapter->rxd_read_ptr); + + /* enable DMA read/write */ + ATL2_WRITE_REGB(hw, REG_DMAR, DMAR_EN); + ATL2_WRITE_REGB(hw, REG_DMAW, DMAW_EN); + + value = ATL2_READ_REG(&adapter->hw, REG_ISR); + if ((value & ISR_PHY_LINKDOWN) != 0) + value = 1; /* config failed */ + else + value = 0; + + /* clear all interrupt status */ + ATL2_WRITE_REG(&adapter->hw, REG_ISR, 0x3fffffff); + ATL2_WRITE_REG(&adapter->hw, REG_ISR, 0); + return value; +} + +/* + * atl2_setup_ring_resources - allocate Tx / RX descriptor resources + * @adapter: board private structure + * + * Return 0 on success, negative on failure + */ +static s32 atl2_setup_ring_resources(struct atl2_adapter *adapter) +{ + struct pci_dev *pdev = adapter->pdev; + int size; + u8 offset = 0; + + /* real ring DMA buffer */ + adapter->ring_size = size = + adapter->txd_ring_size * 1 + 7 + /* dword align */ + adapter->txs_ring_size * 4 + 7 + /* dword align */ + adapter->rxd_ring_size * 1536 + 127; /* 128bytes align */ + + adapter->ring_vir_addr = pci_alloc_consistent(pdev, size, + &adapter->ring_dma); + if (!adapter->ring_vir_addr) + return -ENOMEM; + memset(adapter->ring_vir_addr, 0, adapter->ring_size); + + /* Init TXD Ring */ + adapter->txd_dma = adapter->ring_dma ; + offset = (adapter->txd_dma & 0x7) ? (8 - (adapter->txd_dma & 0x7)) : 0; + adapter->txd_dma += offset; + adapter->txd_ring = adapter->ring_vir_addr + offset; + + /* Init TXS Ring */ + adapter->txs_dma = adapter->txd_dma + adapter->txd_ring_size; + offset = (adapter->txs_dma & 0x7) ? (8 - (adapter->txs_dma & 0x7)) : 0; + adapter->txs_dma += offset; + adapter->txs_ring = (struct tx_pkt_status *) + (((u8 *)adapter->txd_ring) + (adapter->txd_ring_size + offset)); + + /* Init RXD Ring */ + adapter->rxd_dma = adapter->txs_dma + adapter->txs_ring_size * 4; + offset = (adapter->rxd_dma & 127) ? + (128 - (adapter->rxd_dma & 127)) : 0; + if (offset > 7) + offset -= 8; + else + offset += (128 - 8); + + adapter->rxd_dma += offset; + adapter->rxd_ring = (struct rx_desc *) (((u8 *)adapter->txs_ring) + + (adapter->txs_ring_size * 4 + offset)); + +/* + * Read / Write Ptr Initialize: + * init_ring_ptrs(adapter); + */ + return 0; +} + +/* + * atl2_irq_enable - Enable default interrupt generation settings + * @adapter: board private structure + */ +static inline void atl2_irq_enable(struct atl2_adapter *adapter) +{ + ATL2_WRITE_REG(&adapter->hw, REG_IMR, IMR_NORMAL_MASK); + ATL2_WRITE_FLUSH(&adapter->hw); +} + +/* + * atl2_irq_disable - Mask off interrupt generation on the NIC + * @adapter: board private structure + */ +static inline void atl2_irq_disable(struct atl2_adapter *adapter) +{ + ATL2_WRITE_REG(&adapter->hw, REG_IMR, 0); + ATL2_WRITE_FLUSH(&adapter->hw); + synchronize_irq(adapter->pdev->irq); +} + +static void __atl2_vlan_mode(u32 features, u32 *ctrl) +{ + if (features & NETIF_F_HW_VLAN_RX) { + /* enable VLAN tag insert/strip */ + *ctrl |= MAC_CTRL_RMV_VLAN; + } else { + /* disable VLAN tag insert/strip */ + *ctrl &= ~MAC_CTRL_RMV_VLAN; + } +} + +static void atl2_vlan_mode(struct net_device *netdev, u32 features) +{ + struct atl2_adapter *adapter = netdev_priv(netdev); + u32 ctrl; + + atl2_irq_disable(adapter); + + ctrl = ATL2_READ_REG(&adapter->hw, REG_MAC_CTRL); + __atl2_vlan_mode(features, &ctrl); + ATL2_WRITE_REG(&adapter->hw, REG_MAC_CTRL, ctrl); + + atl2_irq_enable(adapter); +} + +static void atl2_restore_vlan(struct atl2_adapter *adapter) +{ + atl2_vlan_mode(adapter->netdev, adapter->netdev->features); +} + +static u32 atl2_fix_features(struct net_device *netdev, u32 features) +{ + /* + * Since there is no support for separate rx/tx vlan accel + * enable/disable make sure tx flag is always in same state as rx. + */ + if (features & NETIF_F_HW_VLAN_RX) + features |= NETIF_F_HW_VLAN_TX; + else + features &= ~NETIF_F_HW_VLAN_TX; + + return features; +} + +static int atl2_set_features(struct net_device *netdev, u32 features) +{ + u32 changed = netdev->features ^ features; + + if (changed & NETIF_F_HW_VLAN_RX) + atl2_vlan_mode(netdev, features); + + return 0; +} + +static void atl2_intr_rx(struct atl2_adapter *adapter) +{ + struct net_device *netdev = adapter->netdev; + struct rx_desc *rxd; + struct sk_buff *skb; + + do { + rxd = adapter->rxd_ring+adapter->rxd_write_ptr; + if (!rxd->status.update) + break; /* end of tx */ + + /* clear this flag at once */ + rxd->status.update = 0; + + if (rxd->status.ok && rxd->status.pkt_size >= 60) { + int rx_size = (int)(rxd->status.pkt_size - 4); + /* alloc new buffer */ + skb = netdev_alloc_skb_ip_align(netdev, rx_size); + if (NULL == skb) { + printk(KERN_WARNING + "%s: Mem squeeze, deferring packet.\n", + netdev->name); + /* + * Check that some rx space is free. If not, + * free one and mark stats->rx_dropped++. + */ + netdev->stats.rx_dropped++; + break; + } + memcpy(skb->data, rxd->packet, rx_size); + skb_put(skb, rx_size); + skb->protocol = eth_type_trans(skb, netdev); + if (rxd->status.vlan) { + u16 vlan_tag = (rxd->status.vtag>>4) | + ((rxd->status.vtag&7) << 13) | + ((rxd->status.vtag&8) << 9); + + __vlan_hwaccel_put_tag(skb, vlan_tag); + } + netif_rx(skb); + netdev->stats.rx_bytes += rx_size; + netdev->stats.rx_packets++; + } else { + netdev->stats.rx_errors++; + + if (rxd->status.ok && rxd->status.pkt_size <= 60) + netdev->stats.rx_length_errors++; + if (rxd->status.mcast) + netdev->stats.multicast++; + if (rxd->status.crc) + netdev->stats.rx_crc_errors++; + if (rxd->status.align) + netdev->stats.rx_frame_errors++; + } + + /* advance write ptr */ + if (++adapter->rxd_write_ptr == adapter->rxd_ring_size) + adapter->rxd_write_ptr = 0; + } while (1); + + /* update mailbox? */ + adapter->rxd_read_ptr = adapter->rxd_write_ptr; + ATL2_WRITE_REGW(&adapter->hw, REG_MB_RXD_RD_IDX, adapter->rxd_read_ptr); +} + +static void atl2_intr_tx(struct atl2_adapter *adapter) +{ + struct net_device *netdev = adapter->netdev; + u32 txd_read_ptr; + u32 txs_write_ptr; + struct tx_pkt_status *txs; + struct tx_pkt_header *txph; + int free_hole = 0; + + do { + txs_write_ptr = (u32) atomic_read(&adapter->txs_write_ptr); + txs = adapter->txs_ring + txs_write_ptr; + if (!txs->update) + break; /* tx stop here */ + + free_hole = 1; + txs->update = 0; + + if (++txs_write_ptr == adapter->txs_ring_size) + txs_write_ptr = 0; + atomic_set(&adapter->txs_write_ptr, (int)txs_write_ptr); + + txd_read_ptr = (u32) atomic_read(&adapter->txd_read_ptr); + txph = (struct tx_pkt_header *) + (((u8 *)adapter->txd_ring) + txd_read_ptr); + + if (txph->pkt_size != txs->pkt_size) { + struct tx_pkt_status *old_txs = txs; + printk(KERN_WARNING + "%s: txs packet size not consistent with txd" + " txd_:0x%08x, txs_:0x%08x!\n", + adapter->netdev->name, + *(u32 *)txph, *(u32 *)txs); + printk(KERN_WARNING + "txd read ptr: 0x%x\n", + txd_read_ptr); + txs = adapter->txs_ring + txs_write_ptr; + printk(KERN_WARNING + "txs-behind:0x%08x\n", + *(u32 *)txs); + if (txs_write_ptr < 2) { + txs = adapter->txs_ring + + (adapter->txs_ring_size + + txs_write_ptr - 2); + } else { + txs = adapter->txs_ring + (txs_write_ptr - 2); + } + printk(KERN_WARNING + "txs-before:0x%08x\n", + *(u32 *)txs); + txs = old_txs; + } + + /* 4for TPH */ + txd_read_ptr += (((u32)(txph->pkt_size) + 7) & ~3); + if (txd_read_ptr >= adapter->txd_ring_size) + txd_read_ptr -= adapter->txd_ring_size; + + atomic_set(&adapter->txd_read_ptr, (int)txd_read_ptr); + + /* tx statistics: */ + if (txs->ok) { + netdev->stats.tx_bytes += txs->pkt_size; + netdev->stats.tx_packets++; + } + else + netdev->stats.tx_errors++; + + if (txs->defer) + netdev->stats.collisions++; + if (txs->abort_col) + netdev->stats.tx_aborted_errors++; + if (txs->late_col) + netdev->stats.tx_window_errors++; + if (txs->underun) + netdev->stats.tx_fifo_errors++; + } while (1); + + if (free_hole) { + if (netif_queue_stopped(adapter->netdev) && + netif_carrier_ok(adapter->netdev)) + netif_wake_queue(adapter->netdev); + } +} + +static void atl2_check_for_link(struct atl2_adapter *adapter) +{ + struct net_device *netdev = adapter->netdev; + u16 phy_data = 0; + + spin_lock(&adapter->stats_lock); + atl2_read_phy_reg(&adapter->hw, MII_BMSR, &phy_data); + atl2_read_phy_reg(&adapter->hw, MII_BMSR, &phy_data); + spin_unlock(&adapter->stats_lock); + + /* notify upper layer link down ASAP */ + if (!(phy_data & BMSR_LSTATUS)) { /* Link Down */ + if (netif_carrier_ok(netdev)) { /* old link state: Up */ + printk(KERN_INFO "%s: %s NIC Link is Down\n", + atl2_driver_name, netdev->name); + adapter->link_speed = SPEED_0; + netif_carrier_off(netdev); + netif_stop_queue(netdev); + } + } + schedule_work(&adapter->link_chg_task); +} + +static inline void atl2_clear_phy_int(struct atl2_adapter *adapter) +{ + u16 phy_data; + spin_lock(&adapter->stats_lock); + atl2_read_phy_reg(&adapter->hw, 19, &phy_data); + spin_unlock(&adapter->stats_lock); +} + +/* + * atl2_intr - Interrupt Handler + * @irq: interrupt number + * @data: pointer to a network interface device structure + * @pt_regs: CPU registers structure + */ +static irqreturn_t atl2_intr(int irq, void *data) +{ + struct atl2_adapter *adapter = netdev_priv(data); + struct atl2_hw *hw = &adapter->hw; + u32 status; + + status = ATL2_READ_REG(hw, REG_ISR); + if (0 == status) + return IRQ_NONE; + + /* link event */ + if (status & ISR_PHY) + atl2_clear_phy_int(adapter); + + /* clear ISR status, and Enable CMB DMA/Disable Interrupt */ + ATL2_WRITE_REG(hw, REG_ISR, status | ISR_DIS_INT); + + /* check if PCIE PHY Link down */ + if (status & ISR_PHY_LINKDOWN) { + if (netif_running(adapter->netdev)) { /* reset MAC */ + ATL2_WRITE_REG(hw, REG_ISR, 0); + ATL2_WRITE_REG(hw, REG_IMR, 0); + ATL2_WRITE_FLUSH(hw); + schedule_work(&adapter->reset_task); + return IRQ_HANDLED; + } + } + + /* check if DMA read/write error? */ + if (status & (ISR_DMAR_TO_RST | ISR_DMAW_TO_RST)) { + ATL2_WRITE_REG(hw, REG_ISR, 0); + ATL2_WRITE_REG(hw, REG_IMR, 0); + ATL2_WRITE_FLUSH(hw); + schedule_work(&adapter->reset_task); + return IRQ_HANDLED; + } + + /* link event */ + if (status & (ISR_PHY | ISR_MANUAL)) { + adapter->netdev->stats.tx_carrier_errors++; + atl2_check_for_link(adapter); + } + + /* transmit event */ + if (status & ISR_TX_EVENT) + atl2_intr_tx(adapter); + + /* rx exception */ + if (status & ISR_RX_EVENT) + atl2_intr_rx(adapter); + + /* re-enable Interrupt */ + ATL2_WRITE_REG(&adapter->hw, REG_ISR, 0); + return IRQ_HANDLED; +} + +static int atl2_request_irq(struct atl2_adapter *adapter) +{ + struct net_device *netdev = adapter->netdev; + int flags, err = 0; + + flags = IRQF_SHARED; + adapter->have_msi = true; + err = pci_enable_msi(adapter->pdev); + if (err) + adapter->have_msi = false; + + if (adapter->have_msi) + flags &= ~IRQF_SHARED; + + return request_irq(adapter->pdev->irq, atl2_intr, flags, netdev->name, + netdev); +} + +/* + * atl2_free_ring_resources - Free Tx / RX descriptor Resources + * @adapter: board private structure + * + * Free all transmit software resources + */ +static void atl2_free_ring_resources(struct atl2_adapter *adapter) +{ + struct pci_dev *pdev = adapter->pdev; + pci_free_consistent(pdev, adapter->ring_size, adapter->ring_vir_addr, + adapter->ring_dma); +} + +/* + * atl2_open - Called when a network interface is made active + * @netdev: network interface device structure + * + * Returns 0 on success, negative value on failure + * + * The open entry point is called when a network interface is made + * active by the system (IFF_UP). At this point all resources needed + * for transmit and receive operations are allocated, the interrupt + * handler is registered with the OS, the watchdog timer is started, + * and the stack is notified that the interface is ready. + */ +static int atl2_open(struct net_device *netdev) +{ + struct atl2_adapter *adapter = netdev_priv(netdev); + int err; + u32 val; + + /* disallow open during test */ + if (test_bit(__ATL2_TESTING, &adapter->flags)) + return -EBUSY; + + /* allocate transmit descriptors */ + err = atl2_setup_ring_resources(adapter); + if (err) + return err; + + err = atl2_init_hw(&adapter->hw); + if (err) { + err = -EIO; + goto err_init_hw; + } + + /* hardware has been reset, we need to reload some things */ + atl2_set_multi(netdev); + init_ring_ptrs(adapter); + + atl2_restore_vlan(adapter); + + if (atl2_configure(adapter)) { + err = -EIO; + goto err_config; + } + + err = atl2_request_irq(adapter); + if (err) + goto err_req_irq; + + clear_bit(__ATL2_DOWN, &adapter->flags); + + mod_timer(&adapter->watchdog_timer, round_jiffies(jiffies + 4*HZ)); + + val = ATL2_READ_REG(&adapter->hw, REG_MASTER_CTRL); + ATL2_WRITE_REG(&adapter->hw, REG_MASTER_CTRL, + val | MASTER_CTRL_MANUAL_INT); + + atl2_irq_enable(adapter); + + return 0; + +err_init_hw: +err_req_irq: +err_config: + atl2_free_ring_resources(adapter); + atl2_reset_hw(&adapter->hw); + + return err; +} + +static void atl2_down(struct atl2_adapter *adapter) +{ + struct net_device *netdev = adapter->netdev; + + /* signal that we're down so the interrupt handler does not + * reschedule our watchdog timer */ + set_bit(__ATL2_DOWN, &adapter->flags); + + netif_tx_disable(netdev); + + /* reset MAC to disable all RX/TX */ + atl2_reset_hw(&adapter->hw); + msleep(1); + + atl2_irq_disable(adapter); + + del_timer_sync(&adapter->watchdog_timer); + del_timer_sync(&adapter->phy_config_timer); + clear_bit(0, &adapter->cfg_phy); + + netif_carrier_off(netdev); + adapter->link_speed = SPEED_0; + adapter->link_duplex = -1; +} + +static void atl2_free_irq(struct atl2_adapter *adapter) +{ + struct net_device *netdev = adapter->netdev; + + free_irq(adapter->pdev->irq, netdev); + +#ifdef CONFIG_PCI_MSI + if (adapter->have_msi) + pci_disable_msi(adapter->pdev); +#endif +} + +/* + * atl2_close - Disables a network interface + * @netdev: network interface device structure + * + * Returns 0, this is not allowed to fail + * + * The close entry point is called when an interface is de-activated + * by the OS. The hardware is still under the drivers control, but + * needs to be disabled. A global MAC reset is issued to stop the + * hardware, and all transmit and receive resources are freed. + */ +static int atl2_close(struct net_device *netdev) +{ + struct atl2_adapter *adapter = netdev_priv(netdev); + + WARN_ON(test_bit(__ATL2_RESETTING, &adapter->flags)); + + atl2_down(adapter); + atl2_free_irq(adapter); + atl2_free_ring_resources(adapter); + + return 0; +} + +static inline int TxsFreeUnit(struct atl2_adapter *adapter) +{ + u32 txs_write_ptr = (u32) atomic_read(&adapter->txs_write_ptr); + + return (adapter->txs_next_clear >= txs_write_ptr) ? + (int) (adapter->txs_ring_size - adapter->txs_next_clear + + txs_write_ptr - 1) : + (int) (txs_write_ptr - adapter->txs_next_clear - 1); +} + +static inline int TxdFreeBytes(struct atl2_adapter *adapter) +{ + u32 txd_read_ptr = (u32)atomic_read(&adapter->txd_read_ptr); + + return (adapter->txd_write_ptr >= txd_read_ptr) ? + (int) (adapter->txd_ring_size - adapter->txd_write_ptr + + txd_read_ptr - 1) : + (int) (txd_read_ptr - adapter->txd_write_ptr - 1); +} + +static netdev_tx_t atl2_xmit_frame(struct sk_buff *skb, + struct net_device *netdev) +{ + struct atl2_adapter *adapter = netdev_priv(netdev); + struct tx_pkt_header *txph; + u32 offset, copy_len; + int txs_unused; + int txbuf_unused; + + if (test_bit(__ATL2_DOWN, &adapter->flags)) { + dev_kfree_skb_any(skb); + return NETDEV_TX_OK; + } + + if (unlikely(skb->len <= 0)) { + dev_kfree_skb_any(skb); + return NETDEV_TX_OK; + } + + txs_unused = TxsFreeUnit(adapter); + txbuf_unused = TxdFreeBytes(adapter); + + if (skb->len + sizeof(struct tx_pkt_header) + 4 > txbuf_unused || + txs_unused < 1) { + /* not enough resources */ + netif_stop_queue(netdev); + return NETDEV_TX_BUSY; + } + + offset = adapter->txd_write_ptr; + + txph = (struct tx_pkt_header *) (((u8 *)adapter->txd_ring) + offset); + + *(u32 *)txph = 0; + txph->pkt_size = skb->len; + + offset += 4; + if (offset >= adapter->txd_ring_size) + offset -= adapter->txd_ring_size; + copy_len = adapter->txd_ring_size - offset; + if (copy_len >= skb->len) { + memcpy(((u8 *)adapter->txd_ring) + offset, skb->data, skb->len); + offset += ((u32)(skb->len + 3) & ~3); + } else { + memcpy(((u8 *)adapter->txd_ring)+offset, skb->data, copy_len); + memcpy((u8 *)adapter->txd_ring, skb->data+copy_len, + skb->len-copy_len); + offset = ((u32)(skb->len-copy_len + 3) & ~3); + } +#ifdef NETIF_F_HW_VLAN_TX + if (vlan_tx_tag_present(skb)) { + u16 vlan_tag = vlan_tx_tag_get(skb); + vlan_tag = (vlan_tag << 4) | + (vlan_tag >> 13) | + ((vlan_tag >> 9) & 0x8); + txph->ins_vlan = 1; + txph->vlan = vlan_tag; + } +#endif + if (offset >= adapter->txd_ring_size) + offset -= adapter->txd_ring_size; + adapter->txd_write_ptr = offset; + + /* clear txs before send */ + adapter->txs_ring[adapter->txs_next_clear].update = 0; + if (++adapter->txs_next_clear == adapter->txs_ring_size) + adapter->txs_next_clear = 0; + + ATL2_WRITE_REGW(&adapter->hw, REG_MB_TXD_WR_IDX, + (adapter->txd_write_ptr >> 2)); + + mmiowb(); + dev_kfree_skb_any(skb); + return NETDEV_TX_OK; +} + +/* + * atl2_change_mtu - Change the Maximum Transfer Unit + * @netdev: network interface device structure + * @new_mtu: new value for maximum frame size + * + * Returns 0 on success, negative on failure + */ +static int atl2_change_mtu(struct net_device *netdev, int new_mtu) +{ + struct atl2_adapter *adapter = netdev_priv(netdev); + struct atl2_hw *hw = &adapter->hw; + + if ((new_mtu < 40) || (new_mtu > (ETH_DATA_LEN + VLAN_SIZE))) + return -EINVAL; + + /* set MTU */ + if (hw->max_frame_size != new_mtu) { + netdev->mtu = new_mtu; + ATL2_WRITE_REG(hw, REG_MTU, new_mtu + ENET_HEADER_SIZE + + VLAN_SIZE + ETHERNET_FCS_SIZE); + } + + return 0; +} + +/* + * atl2_set_mac - Change the Ethernet Address of the NIC + * @netdev: network interface device structure + * @p: pointer to an address structure + * + * Returns 0 on success, negative on failure + */ +static int atl2_set_mac(struct net_device *netdev, void *p) +{ + struct atl2_adapter *adapter = netdev_priv(netdev); + struct sockaddr *addr = p; + + if (!is_valid_ether_addr(addr->sa_data)) + return -EADDRNOTAVAIL; + + if (netif_running(netdev)) + return -EBUSY; + + memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); + memcpy(adapter->hw.mac_addr, addr->sa_data, netdev->addr_len); + + atl2_set_mac_addr(&adapter->hw); + + return 0; +} + +/* + * atl2_mii_ioctl - + * @netdev: + * @ifreq: + * @cmd: + */ +static int atl2_mii_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) +{ + struct atl2_adapter *adapter = netdev_priv(netdev); + struct mii_ioctl_data *data = if_mii(ifr); + unsigned long flags; + + switch (cmd) { + case SIOCGMIIPHY: + data->phy_id = 0; + break; + case SIOCGMIIREG: + spin_lock_irqsave(&adapter->stats_lock, flags); + if (atl2_read_phy_reg(&adapter->hw, + data->reg_num & 0x1F, &data->val_out)) { + spin_unlock_irqrestore(&adapter->stats_lock, flags); + return -EIO; + } + spin_unlock_irqrestore(&adapter->stats_lock, flags); + break; + case SIOCSMIIREG: + if (data->reg_num & ~(0x1F)) + return -EFAULT; + spin_lock_irqsave(&adapter->stats_lock, flags); + if (atl2_write_phy_reg(&adapter->hw, data->reg_num, + data->val_in)) { + spin_unlock_irqrestore(&adapter->stats_lock, flags); + return -EIO; + } + spin_unlock_irqrestore(&adapter->stats_lock, flags); + break; + default: + return -EOPNOTSUPP; + } + return 0; +} + +/* + * atl2_ioctl - + * @netdev: + * @ifreq: + * @cmd: + */ +static int atl2_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) +{ + switch (cmd) { + case SIOCGMIIPHY: + case SIOCGMIIREG: + case SIOCSMIIREG: + return atl2_mii_ioctl(netdev, ifr, cmd); +#ifdef ETHTOOL_OPS_COMPAT + case SIOCETHTOOL: + return ethtool_ioctl(ifr); +#endif + default: + return -EOPNOTSUPP; + } +} + +/* + * atl2_tx_timeout - Respond to a Tx Hang + * @netdev: network interface device structure + */ +static void atl2_tx_timeout(struct net_device *netdev) +{ + struct atl2_adapter *adapter = netdev_priv(netdev); + + /* Do the reset outside of interrupt context */ + schedule_work(&adapter->reset_task); +} + +/* + * atl2_watchdog - Timer Call-back + * @data: pointer to netdev cast into an unsigned long + */ +static void atl2_watchdog(unsigned long data) +{ + struct atl2_adapter *adapter = (struct atl2_adapter *) data; + + if (!test_bit(__ATL2_DOWN, &adapter->flags)) { + u32 drop_rxd, drop_rxs; + unsigned long flags; + + spin_lock_irqsave(&adapter->stats_lock, flags); + drop_rxd = ATL2_READ_REG(&adapter->hw, REG_STS_RXD_OV); + drop_rxs = ATL2_READ_REG(&adapter->hw, REG_STS_RXS_OV); + spin_unlock_irqrestore(&adapter->stats_lock, flags); + + adapter->netdev->stats.rx_over_errors += drop_rxd + drop_rxs; + + /* Reset the timer */ + mod_timer(&adapter->watchdog_timer, + round_jiffies(jiffies + 4 * HZ)); + } +} + +/* + * atl2_phy_config - Timer Call-back + * @data: pointer to netdev cast into an unsigned long + */ +static void atl2_phy_config(unsigned long data) +{ + struct atl2_adapter *adapter = (struct atl2_adapter *) data; + struct atl2_hw *hw = &adapter->hw; + unsigned long flags; + + spin_lock_irqsave(&adapter->stats_lock, flags); + atl2_write_phy_reg(hw, MII_ADVERTISE, hw->mii_autoneg_adv_reg); + atl2_write_phy_reg(hw, MII_BMCR, MII_CR_RESET | MII_CR_AUTO_NEG_EN | + MII_CR_RESTART_AUTO_NEG); + spin_unlock_irqrestore(&adapter->stats_lock, flags); + clear_bit(0, &adapter->cfg_phy); +} + +static int atl2_up(struct atl2_adapter *adapter) +{ + struct net_device *netdev = adapter->netdev; + int err = 0; + u32 val; + + /* hardware has been reset, we need to reload some things */ + + err = atl2_init_hw(&adapter->hw); + if (err) { + err = -EIO; + return err; + } + + atl2_set_multi(netdev); + init_ring_ptrs(adapter); + + atl2_restore_vlan(adapter); + + if (atl2_configure(adapter)) { + err = -EIO; + goto err_up; + } + + clear_bit(__ATL2_DOWN, &adapter->flags); + + val = ATL2_READ_REG(&adapter->hw, REG_MASTER_CTRL); + ATL2_WRITE_REG(&adapter->hw, REG_MASTER_CTRL, val | + MASTER_CTRL_MANUAL_INT); + + atl2_irq_enable(adapter); + +err_up: + return err; +} + +static void atl2_reinit_locked(struct atl2_adapter *adapter) +{ + WARN_ON(in_interrupt()); + while (test_and_set_bit(__ATL2_RESETTING, &adapter->flags)) + msleep(1); + atl2_down(adapter); + atl2_up(adapter); + clear_bit(__ATL2_RESETTING, &adapter->flags); +} + +static void atl2_reset_task(struct work_struct *work) +{ + struct atl2_adapter *adapter; + adapter = container_of(work, struct atl2_adapter, reset_task); + + atl2_reinit_locked(adapter); +} + +static void atl2_setup_mac_ctrl(struct atl2_adapter *adapter) +{ + u32 value; + struct atl2_hw *hw = &adapter->hw; + struct net_device *netdev = adapter->netdev; + + /* Config MAC CTRL Register */ + value = MAC_CTRL_TX_EN | MAC_CTRL_RX_EN | MAC_CTRL_MACLP_CLK_PHY; + + /* duplex */ + if (FULL_DUPLEX == adapter->link_duplex) + value |= MAC_CTRL_DUPLX; + + /* flow control */ + value |= (MAC_CTRL_TX_FLOW | MAC_CTRL_RX_FLOW); + + /* PAD & CRC */ + value |= (MAC_CTRL_ADD_CRC | MAC_CTRL_PAD); + + /* preamble length */ + value |= (((u32)adapter->hw.preamble_len & MAC_CTRL_PRMLEN_MASK) << + MAC_CTRL_PRMLEN_SHIFT); + + /* vlan */ + __atl2_vlan_mode(netdev->features, &value); + + /* filter mode */ + value |= MAC_CTRL_BC_EN; + if (netdev->flags & IFF_PROMISC) + value |= MAC_CTRL_PROMIS_EN; + else if (netdev->flags & IFF_ALLMULTI) + value |= MAC_CTRL_MC_ALL_EN; + + /* half retry buffer */ + value |= (((u32)(adapter->hw.retry_buf & + MAC_CTRL_HALF_LEFT_BUF_MASK)) << MAC_CTRL_HALF_LEFT_BUF_SHIFT); + + ATL2_WRITE_REG(hw, REG_MAC_CTRL, value); +} + +static int atl2_check_link(struct atl2_adapter *adapter) +{ + struct atl2_hw *hw = &adapter->hw; + struct net_device *netdev = adapter->netdev; + int ret_val; + u16 speed, duplex, phy_data; + int reconfig = 0; + + /* MII_BMSR must read twise */ + atl2_read_phy_reg(hw, MII_BMSR, &phy_data); + atl2_read_phy_reg(hw, MII_BMSR, &phy_data); + if (!(phy_data&BMSR_LSTATUS)) { /* link down */ + if (netif_carrier_ok(netdev)) { /* old link state: Up */ + u32 value; + /* disable rx */ + value = ATL2_READ_REG(hw, REG_MAC_CTRL); + value &= ~MAC_CTRL_RX_EN; + ATL2_WRITE_REG(hw, REG_MAC_CTRL, value); + adapter->link_speed = SPEED_0; + netif_carrier_off(netdev); + netif_stop_queue(netdev); + } + return 0; + } + + /* Link Up */ + ret_val = atl2_get_speed_and_duplex(hw, &speed, &duplex); + if (ret_val) + return ret_val; + switch (hw->MediaType) { + case MEDIA_TYPE_100M_FULL: + if (speed != SPEED_100 || duplex != FULL_DUPLEX) + reconfig = 1; + break; + case MEDIA_TYPE_100M_HALF: + if (speed != SPEED_100 || duplex != HALF_DUPLEX) + reconfig = 1; + break; + case MEDIA_TYPE_10M_FULL: + if (speed != SPEED_10 || duplex != FULL_DUPLEX) + reconfig = 1; + break; + case MEDIA_TYPE_10M_HALF: + if (speed != SPEED_10 || duplex != HALF_DUPLEX) + reconfig = 1; + break; + } + /* link result is our setting */ + if (reconfig == 0) { + if (adapter->link_speed != speed || + adapter->link_duplex != duplex) { + adapter->link_speed = speed; + adapter->link_duplex = duplex; + atl2_setup_mac_ctrl(adapter); + printk(KERN_INFO "%s: %s NIC Link is Up<%d Mbps %s>\n", + atl2_driver_name, netdev->name, + adapter->link_speed, + adapter->link_duplex == FULL_DUPLEX ? + "Full Duplex" : "Half Duplex"); + } + + if (!netif_carrier_ok(netdev)) { /* Link down -> Up */ + netif_carrier_on(netdev); + netif_wake_queue(netdev); + } + return 0; + } + + /* change original link status */ + if (netif_carrier_ok(netdev)) { + u32 value; + /* disable rx */ + value = ATL2_READ_REG(hw, REG_MAC_CTRL); + value &= ~MAC_CTRL_RX_EN; + ATL2_WRITE_REG(hw, REG_MAC_CTRL, value); + + adapter->link_speed = SPEED_0; + netif_carrier_off(netdev); + netif_stop_queue(netdev); + } + + /* auto-neg, insert timer to re-config phy + * (if interval smaller than 5 seconds, something strange) */ + if (!test_bit(__ATL2_DOWN, &adapter->flags)) { + if (!test_and_set_bit(0, &adapter->cfg_phy)) + mod_timer(&adapter->phy_config_timer, + round_jiffies(jiffies + 5 * HZ)); + } + + return 0; +} + +/* + * atl2_link_chg_task - deal with link change event Out of interrupt context + * @netdev: network interface device structure + */ +static void atl2_link_chg_task(struct work_struct *work) +{ + struct atl2_adapter *adapter; + unsigned long flags; + + adapter = container_of(work, struct atl2_adapter, link_chg_task); + + spin_lock_irqsave(&adapter->stats_lock, flags); + atl2_check_link(adapter); + spin_unlock_irqrestore(&adapter->stats_lock, flags); +} + +static void atl2_setup_pcicmd(struct pci_dev *pdev) +{ + u16 cmd; + + pci_read_config_word(pdev, PCI_COMMAND, &cmd); + + if (cmd & PCI_COMMAND_INTX_DISABLE) + cmd &= ~PCI_COMMAND_INTX_DISABLE; + if (cmd & PCI_COMMAND_IO) + cmd &= ~PCI_COMMAND_IO; + if (0 == (cmd & PCI_COMMAND_MEMORY)) + cmd |= PCI_COMMAND_MEMORY; + if (0 == (cmd & PCI_COMMAND_MASTER)) + cmd |= PCI_COMMAND_MASTER; + pci_write_config_word(pdev, PCI_COMMAND, cmd); + + /* + * some motherboards BIOS(PXE/EFI) driver may set PME + * while they transfer control to OS (Windows/Linux) + * so we should clear this bit before NIC work normally + */ + pci_write_config_dword(pdev, REG_PM_CTRLSTAT, 0); +} + +#ifdef CONFIG_NET_POLL_CONTROLLER +static void atl2_poll_controller(struct net_device *netdev) +{ + disable_irq(netdev->irq); + atl2_intr(netdev->irq, netdev); + enable_irq(netdev->irq); +} +#endif + + +static const struct net_device_ops atl2_netdev_ops = { + .ndo_open = atl2_open, + .ndo_stop = atl2_close, + .ndo_start_xmit = atl2_xmit_frame, + .ndo_set_multicast_list = atl2_set_multi, + .ndo_validate_addr = eth_validate_addr, + .ndo_set_mac_address = atl2_set_mac, + .ndo_change_mtu = atl2_change_mtu, + .ndo_fix_features = atl2_fix_features, + .ndo_set_features = atl2_set_features, + .ndo_do_ioctl = atl2_ioctl, + .ndo_tx_timeout = atl2_tx_timeout, +#ifdef CONFIG_NET_POLL_CONTROLLER + .ndo_poll_controller = atl2_poll_controller, +#endif +}; + +/* + * atl2_probe - Device Initialization Routine + * @pdev: PCI device information struct + * @ent: entry in atl2_pci_tbl + * + * Returns 0 on success, negative on failure + * + * atl2_probe initializes an adapter identified by a pci_dev structure. + * The OS initialization, configuring of the adapter private structure, + * and a hardware reset occur. + */ +static int __devinit atl2_probe(struct pci_dev *pdev, + const struct pci_device_id *ent) +{ + struct net_device *netdev; + struct atl2_adapter *adapter; + static int cards_found; + unsigned long mmio_start; + int mmio_len; + int err; + + cards_found = 0; + + err = pci_enable_device(pdev); + if (err) + return err; + + /* + * atl2 is a shared-high-32-bit device, so we're stuck with 32-bit DMA + * until the kernel has the proper infrastructure to support 64-bit DMA + * on these devices. + */ + if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) && + pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) { + printk(KERN_ERR "atl2: No usable DMA configuration, aborting\n"); + goto err_dma; + } + + /* Mark all PCI regions associated with PCI device + * pdev as being reserved by owner atl2_driver_name */ + err = pci_request_regions(pdev, atl2_driver_name); + if (err) + goto err_pci_reg; + + /* Enables bus-mastering on the device and calls + * pcibios_set_master to do the needed arch specific settings */ + pci_set_master(pdev); + + err = -ENOMEM; + netdev = alloc_etherdev(sizeof(struct atl2_adapter)); + if (!netdev) + goto err_alloc_etherdev; + + SET_NETDEV_DEV(netdev, &pdev->dev); + + pci_set_drvdata(pdev, netdev); + adapter = netdev_priv(netdev); + adapter->netdev = netdev; + adapter->pdev = pdev; + adapter->hw.back = adapter; + + mmio_start = pci_resource_start(pdev, 0x0); + mmio_len = pci_resource_len(pdev, 0x0); + + adapter->hw.mem_rang = (u32)mmio_len; + adapter->hw.hw_addr = ioremap(mmio_start, mmio_len); + if (!adapter->hw.hw_addr) { + err = -EIO; + goto err_ioremap; + } + + atl2_setup_pcicmd(pdev); + + netdev->netdev_ops = &atl2_netdev_ops; + atl2_set_ethtool_ops(netdev); + netdev->watchdog_timeo = 5 * HZ; + strncpy(netdev->name, pci_name(pdev), sizeof(netdev->name) - 1); + + netdev->mem_start = mmio_start; + netdev->mem_end = mmio_start + mmio_len; + adapter->bd_number = cards_found; + adapter->pci_using_64 = false; + + /* setup the private structure */ + err = atl2_sw_init(adapter); + if (err) + goto err_sw_init; + + err = -EIO; + + netdev->hw_features = NETIF_F_SG | NETIF_F_HW_VLAN_RX; + netdev->features |= (NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX); + + /* Init PHY as early as possible due to power saving issue */ + atl2_phy_init(&adapter->hw); + + /* reset the controller to + * put the device in a known good starting state */ + + if (atl2_reset_hw(&adapter->hw)) { + err = -EIO; + goto err_reset; + } + + /* copy the MAC address out of the EEPROM */ + atl2_read_mac_addr(&adapter->hw); + memcpy(netdev->dev_addr, adapter->hw.mac_addr, netdev->addr_len); +/* FIXME: do we still need this? */ +#ifdef ETHTOOL_GPERMADDR + memcpy(netdev->perm_addr, adapter->hw.mac_addr, netdev->addr_len); + + if (!is_valid_ether_addr(netdev->perm_addr)) { +#else + if (!is_valid_ether_addr(netdev->dev_addr)) { +#endif + err = -EIO; + goto err_eeprom; + } + + atl2_check_options(adapter); + + init_timer(&adapter->watchdog_timer); + adapter->watchdog_timer.function = atl2_watchdog; + adapter->watchdog_timer.data = (unsigned long) adapter; + + init_timer(&adapter->phy_config_timer); + adapter->phy_config_timer.function = atl2_phy_config; + adapter->phy_config_timer.data = (unsigned long) adapter; + + INIT_WORK(&adapter->reset_task, atl2_reset_task); + INIT_WORK(&adapter->link_chg_task, atl2_link_chg_task); + + strcpy(netdev->name, "eth%d"); /* ?? */ + err = register_netdev(netdev); + if (err) + goto err_register; + + /* assume we have no link for now */ + netif_carrier_off(netdev); + netif_stop_queue(netdev); + + cards_found++; + + return 0; + +err_reset: +err_register: +err_sw_init: +err_eeprom: + iounmap(adapter->hw.hw_addr); +err_ioremap: + free_netdev(netdev); +err_alloc_etherdev: + pci_release_regions(pdev); +err_pci_reg: +err_dma: + pci_disable_device(pdev); + return err; +} + +/* + * atl2_remove - Device Removal Routine + * @pdev: PCI device information struct + * + * atl2_remove is called by the PCI subsystem to alert the driver + * that it should release a PCI device. The could be caused by a + * Hot-Plug event, or because the driver is going to be removed from + * memory. + */ +/* FIXME: write the original MAC address back in case it was changed from a + * BIOS-set value, as in atl1 -- CHS */ +static void __devexit atl2_remove(struct pci_dev *pdev) +{ + struct net_device *netdev = pci_get_drvdata(pdev); + struct atl2_adapter *adapter = netdev_priv(netdev); + + /* flush_scheduled work may reschedule our watchdog task, so + * explicitly disable watchdog tasks from being rescheduled */ + set_bit(__ATL2_DOWN, &adapter->flags); + + del_timer_sync(&adapter->watchdog_timer); + del_timer_sync(&adapter->phy_config_timer); + cancel_work_sync(&adapter->reset_task); + cancel_work_sync(&adapter->link_chg_task); + + unregister_netdev(netdev); + + atl2_force_ps(&adapter->hw); + + iounmap(adapter->hw.hw_addr); + pci_release_regions(pdev); + + free_netdev(netdev); + + pci_disable_device(pdev); +} + +static int atl2_suspend(struct pci_dev *pdev, pm_message_t state) +{ + struct net_device *netdev = pci_get_drvdata(pdev); + struct atl2_adapter *adapter = netdev_priv(netdev); + struct atl2_hw *hw = &adapter->hw; + u16 speed, duplex; + u32 ctrl = 0; + u32 wufc = adapter->wol; + +#ifdef CONFIG_PM + int retval = 0; +#endif + + netif_device_detach(netdev); + + if (netif_running(netdev)) { + WARN_ON(test_bit(__ATL2_RESETTING, &adapter->flags)); + atl2_down(adapter); + } + +#ifdef CONFIG_PM + retval = pci_save_state(pdev); + if (retval) + return retval; +#endif + + atl2_read_phy_reg(hw, MII_BMSR, (u16 *)&ctrl); + atl2_read_phy_reg(hw, MII_BMSR, (u16 *)&ctrl); + if (ctrl & BMSR_LSTATUS) + wufc &= ~ATLX_WUFC_LNKC; + + if (0 != (ctrl & BMSR_LSTATUS) && 0 != wufc) { + u32 ret_val; + /* get current link speed & duplex */ + ret_val = atl2_get_speed_and_duplex(hw, &speed, &duplex); + if (ret_val) { + printk(KERN_DEBUG + "%s: get speed&duplex error while suspend\n", + atl2_driver_name); + goto wol_dis; + } + + ctrl = 0; + + /* turn on magic packet wol */ + if (wufc & ATLX_WUFC_MAG) + ctrl |= (WOL_MAGIC_EN | WOL_MAGIC_PME_EN); + + /* ignore Link Chg event when Link is up */ + ATL2_WRITE_REG(hw, REG_WOL_CTRL, ctrl); + + /* Config MAC CTRL Register */ + ctrl = MAC_CTRL_RX_EN | MAC_CTRL_MACLP_CLK_PHY; + if (FULL_DUPLEX == adapter->link_duplex) + ctrl |= MAC_CTRL_DUPLX; + ctrl |= (MAC_CTRL_ADD_CRC | MAC_CTRL_PAD); + ctrl |= (((u32)adapter->hw.preamble_len & + MAC_CTRL_PRMLEN_MASK) << MAC_CTRL_PRMLEN_SHIFT); + ctrl |= (((u32)(adapter->hw.retry_buf & + MAC_CTRL_HALF_LEFT_BUF_MASK)) << + MAC_CTRL_HALF_LEFT_BUF_SHIFT); + if (wufc & ATLX_WUFC_MAG) { + /* magic packet maybe Broadcast&multicast&Unicast */ + ctrl |= MAC_CTRL_BC_EN; + } + + ATL2_WRITE_REG(hw, REG_MAC_CTRL, ctrl); + + /* pcie patch */ + ctrl = ATL2_READ_REG(hw, REG_PCIE_PHYMISC); + ctrl |= PCIE_PHYMISC_FORCE_RCV_DET; + ATL2_WRITE_REG(hw, REG_PCIE_PHYMISC, ctrl); + ctrl = ATL2_READ_REG(hw, REG_PCIE_DLL_TX_CTRL1); + ctrl |= PCIE_DLL_TX_CTRL1_SEL_NOR_CLK; + ATL2_WRITE_REG(hw, REG_PCIE_DLL_TX_CTRL1, ctrl); + + pci_enable_wake(pdev, pci_choose_state(pdev, state), 1); + goto suspend_exit; + } + + if (0 == (ctrl&BMSR_LSTATUS) && 0 != (wufc&ATLX_WUFC_LNKC)) { + /* link is down, so only LINK CHG WOL event enable */ + ctrl |= (WOL_LINK_CHG_EN | WOL_LINK_CHG_PME_EN); + ATL2_WRITE_REG(hw, REG_WOL_CTRL, ctrl); + ATL2_WRITE_REG(hw, REG_MAC_CTRL, 0); + + /* pcie patch */ + ctrl = ATL2_READ_REG(hw, REG_PCIE_PHYMISC); + ctrl |= PCIE_PHYMISC_FORCE_RCV_DET; + ATL2_WRITE_REG(hw, REG_PCIE_PHYMISC, ctrl); + ctrl = ATL2_READ_REG(hw, REG_PCIE_DLL_TX_CTRL1); + ctrl |= PCIE_DLL_TX_CTRL1_SEL_NOR_CLK; + ATL2_WRITE_REG(hw, REG_PCIE_DLL_TX_CTRL1, ctrl); + + hw->phy_configured = false; /* re-init PHY when resume */ + + pci_enable_wake(pdev, pci_choose_state(pdev, state), 1); + + goto suspend_exit; + } + +wol_dis: + /* WOL disabled */ + ATL2_WRITE_REG(hw, REG_WOL_CTRL, 0); + + /* pcie patch */ + ctrl = ATL2_READ_REG(hw, REG_PCIE_PHYMISC); + ctrl |= PCIE_PHYMISC_FORCE_RCV_DET; + ATL2_WRITE_REG(hw, REG_PCIE_PHYMISC, ctrl); + ctrl = ATL2_READ_REG(hw, REG_PCIE_DLL_TX_CTRL1); + ctrl |= PCIE_DLL_TX_CTRL1_SEL_NOR_CLK; + ATL2_WRITE_REG(hw, REG_PCIE_DLL_TX_CTRL1, ctrl); + + atl2_force_ps(hw); + hw->phy_configured = false; /* re-init PHY when resume */ + + pci_enable_wake(pdev, pci_choose_state(pdev, state), 0); + +suspend_exit: + if (netif_running(netdev)) + atl2_free_irq(adapter); + + pci_disable_device(pdev); + + pci_set_power_state(pdev, pci_choose_state(pdev, state)); + + return 0; +} + +#ifdef CONFIG_PM +static int atl2_resume(struct pci_dev *pdev) +{ + struct net_device *netdev = pci_get_drvdata(pdev); + struct atl2_adapter *adapter = netdev_priv(netdev); + u32 err; + + pci_set_power_state(pdev, PCI_D0); + pci_restore_state(pdev); + + err = pci_enable_device(pdev); + if (err) { + printk(KERN_ERR + "atl2: Cannot enable PCI device from suspend\n"); + return err; + } + + pci_set_master(pdev); + + ATL2_READ_REG(&adapter->hw, REG_WOL_CTRL); /* clear WOL status */ + + pci_enable_wake(pdev, PCI_D3hot, 0); + pci_enable_wake(pdev, PCI_D3cold, 0); + + ATL2_WRITE_REG(&adapter->hw, REG_WOL_CTRL, 0); + + if (netif_running(netdev)) { + err = atl2_request_irq(adapter); + if (err) + return err; + } + + atl2_reset_hw(&adapter->hw); + + if (netif_running(netdev)) + atl2_up(adapter); + + netif_device_attach(netdev); + + return 0; +} +#endif + +static void atl2_shutdown(struct pci_dev *pdev) +{ + atl2_suspend(pdev, PMSG_SUSPEND); +} + +static struct pci_driver atl2_driver = { + .name = atl2_driver_name, + .id_table = atl2_pci_tbl, + .probe = atl2_probe, + .remove = __devexit_p(atl2_remove), + /* Power Management Hooks */ + .suspend = atl2_suspend, +#ifdef CONFIG_PM + .resume = atl2_resume, +#endif + .shutdown = atl2_shutdown, +}; + +/* + * atl2_init_module - Driver Registration Routine + * + * atl2_init_module is the first routine called when the driver is + * loaded. All it does is register with the PCI subsystem. + */ +static int __init atl2_init_module(void) +{ + printk(KERN_INFO "%s - version %s\n", atl2_driver_string, + atl2_driver_version); + printk(KERN_INFO "%s\n", atl2_copyright); + return pci_register_driver(&atl2_driver); +} +module_init(atl2_init_module); + +/* + * atl2_exit_module - Driver Exit Cleanup Routine + * + * atl2_exit_module is called just before the driver is removed + * from memory. + */ +static void __exit atl2_exit_module(void) +{ + pci_unregister_driver(&atl2_driver); +} +module_exit(atl2_exit_module); + +static void atl2_read_pci_cfg(struct atl2_hw *hw, u32 reg, u16 *value) +{ + struct atl2_adapter *adapter = hw->back; + pci_read_config_word(adapter->pdev, reg, value); +} + +static void atl2_write_pci_cfg(struct atl2_hw *hw, u32 reg, u16 *value) +{ + struct atl2_adapter *adapter = hw->back; + pci_write_config_word(adapter->pdev, reg, *value); +} + +static int atl2_get_settings(struct net_device *netdev, + struct ethtool_cmd *ecmd) +{ + struct atl2_adapter *adapter = netdev_priv(netdev); + struct atl2_hw *hw = &adapter->hw; + + ecmd->supported = (SUPPORTED_10baseT_Half | + SUPPORTED_10baseT_Full | + SUPPORTED_100baseT_Half | + SUPPORTED_100baseT_Full | + SUPPORTED_Autoneg | + SUPPORTED_TP); + ecmd->advertising = ADVERTISED_TP; + + ecmd->advertising |= ADVERTISED_Autoneg; + ecmd->advertising |= hw->autoneg_advertised; + + ecmd->port = PORT_TP; + ecmd->phy_address = 0; + ecmd->transceiver = XCVR_INTERNAL; + + if (adapter->link_speed != SPEED_0) { + ethtool_cmd_speed_set(ecmd, adapter->link_speed); + if (adapter->link_duplex == FULL_DUPLEX) + ecmd->duplex = DUPLEX_FULL; + else + ecmd->duplex = DUPLEX_HALF; + } else { + ethtool_cmd_speed_set(ecmd, -1); + ecmd->duplex = -1; + } + + ecmd->autoneg = AUTONEG_ENABLE; + return 0; +} + +static int atl2_set_settings(struct net_device *netdev, + struct ethtool_cmd *ecmd) +{ + struct atl2_adapter *adapter = netdev_priv(netdev); + struct atl2_hw *hw = &adapter->hw; + + while (test_and_set_bit(__ATL2_RESETTING, &adapter->flags)) + msleep(1); + + if (ecmd->autoneg == AUTONEG_ENABLE) { +#define MY_ADV_MASK (ADVERTISE_10_HALF | \ + ADVERTISE_10_FULL | \ + ADVERTISE_100_HALF| \ + ADVERTISE_100_FULL) + + if ((ecmd->advertising & MY_ADV_MASK) == MY_ADV_MASK) { + hw->MediaType = MEDIA_TYPE_AUTO_SENSOR; + hw->autoneg_advertised = MY_ADV_MASK; + } else if ((ecmd->advertising & MY_ADV_MASK) == + ADVERTISE_100_FULL) { + hw->MediaType = MEDIA_TYPE_100M_FULL; + hw->autoneg_advertised = ADVERTISE_100_FULL; + } else if ((ecmd->advertising & MY_ADV_MASK) == + ADVERTISE_100_HALF) { + hw->MediaType = MEDIA_TYPE_100M_HALF; + hw->autoneg_advertised = ADVERTISE_100_HALF; + } else if ((ecmd->advertising & MY_ADV_MASK) == + ADVERTISE_10_FULL) { + hw->MediaType = MEDIA_TYPE_10M_FULL; + hw->autoneg_advertised = ADVERTISE_10_FULL; + } else if ((ecmd->advertising & MY_ADV_MASK) == + ADVERTISE_10_HALF) { + hw->MediaType = MEDIA_TYPE_10M_HALF; + hw->autoneg_advertised = ADVERTISE_10_HALF; + } else { + clear_bit(__ATL2_RESETTING, &adapter->flags); + return -EINVAL; + } + ecmd->advertising = hw->autoneg_advertised | + ADVERTISED_TP | ADVERTISED_Autoneg; + } else { + clear_bit(__ATL2_RESETTING, &adapter->flags); + return -EINVAL; + } + + /* reset the link */ + if (netif_running(adapter->netdev)) { + atl2_down(adapter); + atl2_up(adapter); + } else + atl2_reset_hw(&adapter->hw); + + clear_bit(__ATL2_RESETTING, &adapter->flags); + return 0; +} + +static u32 atl2_get_msglevel(struct net_device *netdev) +{ + return 0; +} + +/* + * It's sane for this to be empty, but we might want to take advantage of this. + */ +static void atl2_set_msglevel(struct net_device *netdev, u32 data) +{ +} + +static int atl2_get_regs_len(struct net_device *netdev) +{ +#define ATL2_REGS_LEN 42 + return sizeof(u32) * ATL2_REGS_LEN; +} + +static void atl2_get_regs(struct net_device *netdev, + struct ethtool_regs *regs, void *p) +{ + struct atl2_adapter *adapter = netdev_priv(netdev); + struct atl2_hw *hw = &adapter->hw; + u32 *regs_buff = p; + u16 phy_data; + + memset(p, 0, sizeof(u32) * ATL2_REGS_LEN); + + regs->version = (1 << 24) | (hw->revision_id << 16) | hw->device_id; + + regs_buff[0] = ATL2_READ_REG(hw, REG_VPD_CAP); + regs_buff[1] = ATL2_READ_REG(hw, REG_SPI_FLASH_CTRL); + regs_buff[2] = ATL2_READ_REG(hw, REG_SPI_FLASH_CONFIG); + regs_buff[3] = ATL2_READ_REG(hw, REG_TWSI_CTRL); + regs_buff[4] = ATL2_READ_REG(hw, REG_PCIE_DEV_MISC_CTRL); + regs_buff[5] = ATL2_READ_REG(hw, REG_MASTER_CTRL); + regs_buff[6] = ATL2_READ_REG(hw, REG_MANUAL_TIMER_INIT); + regs_buff[7] = ATL2_READ_REG(hw, REG_IRQ_MODU_TIMER_INIT); + regs_buff[8] = ATL2_READ_REG(hw, REG_PHY_ENABLE); + regs_buff[9] = ATL2_READ_REG(hw, REG_CMBDISDMA_TIMER); + regs_buff[10] = ATL2_READ_REG(hw, REG_IDLE_STATUS); + regs_buff[11] = ATL2_READ_REG(hw, REG_MDIO_CTRL); + regs_buff[12] = ATL2_READ_REG(hw, REG_SERDES_LOCK); + regs_buff[13] = ATL2_READ_REG(hw, REG_MAC_CTRL); + regs_buff[14] = ATL2_READ_REG(hw, REG_MAC_IPG_IFG); + regs_buff[15] = ATL2_READ_REG(hw, REG_MAC_STA_ADDR); + regs_buff[16] = ATL2_READ_REG(hw, REG_MAC_STA_ADDR+4); + regs_buff[17] = ATL2_READ_REG(hw, REG_RX_HASH_TABLE); + regs_buff[18] = ATL2_READ_REG(hw, REG_RX_HASH_TABLE+4); + regs_buff[19] = ATL2_READ_REG(hw, REG_MAC_HALF_DUPLX_CTRL); + regs_buff[20] = ATL2_READ_REG(hw, REG_MTU); + regs_buff[21] = ATL2_READ_REG(hw, REG_WOL_CTRL); + regs_buff[22] = ATL2_READ_REG(hw, REG_SRAM_TXRAM_END); + regs_buff[23] = ATL2_READ_REG(hw, REG_DESC_BASE_ADDR_HI); + regs_buff[24] = ATL2_READ_REG(hw, REG_TXD_BASE_ADDR_LO); + regs_buff[25] = ATL2_READ_REG(hw, REG_TXD_MEM_SIZE); + regs_buff[26] = ATL2_READ_REG(hw, REG_TXS_BASE_ADDR_LO); + regs_buff[27] = ATL2_READ_REG(hw, REG_TXS_MEM_SIZE); + regs_buff[28] = ATL2_READ_REG(hw, REG_RXD_BASE_ADDR_LO); + regs_buff[29] = ATL2_READ_REG(hw, REG_RXD_BUF_NUM); + regs_buff[30] = ATL2_READ_REG(hw, REG_DMAR); + regs_buff[31] = ATL2_READ_REG(hw, REG_TX_CUT_THRESH); + regs_buff[32] = ATL2_READ_REG(hw, REG_DMAW); + regs_buff[33] = ATL2_READ_REG(hw, REG_PAUSE_ON_TH); + regs_buff[34] = ATL2_READ_REG(hw, REG_PAUSE_OFF_TH); + regs_buff[35] = ATL2_READ_REG(hw, REG_MB_TXD_WR_IDX); + regs_buff[36] = ATL2_READ_REG(hw, REG_MB_RXD_RD_IDX); + regs_buff[38] = ATL2_READ_REG(hw, REG_ISR); + regs_buff[39] = ATL2_READ_REG(hw, REG_IMR); + + atl2_read_phy_reg(hw, MII_BMCR, &phy_data); + regs_buff[40] = (u32)phy_data; + atl2_read_phy_reg(hw, MII_BMSR, &phy_data); + regs_buff[41] = (u32)phy_data; +} + +static int atl2_get_eeprom_len(struct net_device *netdev) +{ + struct atl2_adapter *adapter = netdev_priv(netdev); + + if (!atl2_check_eeprom_exist(&adapter->hw)) + return 512; + else + return 0; +} + +static int atl2_get_eeprom(struct net_device *netdev, + struct ethtool_eeprom *eeprom, u8 *bytes) +{ + struct atl2_adapter *adapter = netdev_priv(netdev); + struct atl2_hw *hw = &adapter->hw; + u32 *eeprom_buff; + int first_dword, last_dword; + int ret_val = 0; + int i; + + if (eeprom->len == 0) + return -EINVAL; + + if (atl2_check_eeprom_exist(hw)) + return -EINVAL; + + eeprom->magic = hw->vendor_id | (hw->device_id << 16); + + first_dword = eeprom->offset >> 2; + last_dword = (eeprom->offset + eeprom->len - 1) >> 2; + + eeprom_buff = kmalloc(sizeof(u32) * (last_dword - first_dword + 1), + GFP_KERNEL); + if (!eeprom_buff) + return -ENOMEM; + + for (i = first_dword; i < last_dword; i++) { + if (!atl2_read_eeprom(hw, i*4, &(eeprom_buff[i-first_dword]))) { + ret_val = -EIO; + goto free; + } + } + + memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 3), + eeprom->len); +free: + kfree(eeprom_buff); + + return ret_val; +} + +static int atl2_set_eeprom(struct net_device *netdev, + struct ethtool_eeprom *eeprom, u8 *bytes) +{ + struct atl2_adapter *adapter = netdev_priv(netdev); + struct atl2_hw *hw = &adapter->hw; + u32 *eeprom_buff; + u32 *ptr; + int max_len, first_dword, last_dword, ret_val = 0; + int i; + + if (eeprom->len == 0) + return -EOPNOTSUPP; + + if (eeprom->magic != (hw->vendor_id | (hw->device_id << 16))) + return -EFAULT; + + max_len = 512; + + first_dword = eeprom->offset >> 2; + last_dword = (eeprom->offset + eeprom->len - 1) >> 2; + eeprom_buff = kmalloc(max_len, GFP_KERNEL); + if (!eeprom_buff) + return -ENOMEM; + + ptr = eeprom_buff; + + if (eeprom->offset & 3) { + /* need read/modify/write of first changed EEPROM word */ + /* only the second byte of the word is being modified */ + if (!atl2_read_eeprom(hw, first_dword*4, &(eeprom_buff[0]))) { + ret_val = -EIO; + goto out; + } + ptr++; + } + if (((eeprom->offset + eeprom->len) & 3)) { + /* + * need read/modify/write of last changed EEPROM word + * only the first byte of the word is being modified + */ + if (!atl2_read_eeprom(hw, last_dword * 4, + &(eeprom_buff[last_dword - first_dword]))) { + ret_val = -EIO; + goto out; + } + } + + /* Device's eeprom is always little-endian, word addressable */ + memcpy(ptr, bytes, eeprom->len); + + for (i = 0; i < last_dword - first_dword + 1; i++) { + if (!atl2_write_eeprom(hw, ((first_dword+i)*4), eeprom_buff[i])) { + ret_val = -EIO; + goto out; + } + } + out: + kfree(eeprom_buff); + return ret_val; +} + +static void atl2_get_drvinfo(struct net_device *netdev, + struct ethtool_drvinfo *drvinfo) +{ + struct atl2_adapter *adapter = netdev_priv(netdev); + + strncpy(drvinfo->driver, atl2_driver_name, 32); + strncpy(drvinfo->version, atl2_driver_version, 32); + strncpy(drvinfo->fw_version, "L2", 32); + strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32); + drvinfo->n_stats = 0; + drvinfo->testinfo_len = 0; + drvinfo->regdump_len = atl2_get_regs_len(netdev); + drvinfo->eedump_len = atl2_get_eeprom_len(netdev); +} + +static void atl2_get_wol(struct net_device *netdev, + struct ethtool_wolinfo *wol) +{ + struct atl2_adapter *adapter = netdev_priv(netdev); + + wol->supported = WAKE_MAGIC; + wol->wolopts = 0; + + if (adapter->wol & ATLX_WUFC_EX) + wol->wolopts |= WAKE_UCAST; + if (adapter->wol & ATLX_WUFC_MC) + wol->wolopts |= WAKE_MCAST; + if (adapter->wol & ATLX_WUFC_BC) + wol->wolopts |= WAKE_BCAST; + if (adapter->wol & ATLX_WUFC_MAG) + wol->wolopts |= WAKE_MAGIC; + if (adapter->wol & ATLX_WUFC_LNKC) + wol->wolopts |= WAKE_PHY; +} + +static int atl2_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) +{ + struct atl2_adapter *adapter = netdev_priv(netdev); + + if (wol->wolopts & (WAKE_ARP | WAKE_MAGICSECURE)) + return -EOPNOTSUPP; + + if (wol->wolopts & (WAKE_UCAST | WAKE_BCAST | WAKE_MCAST)) + return -EOPNOTSUPP; + + /* these settings will always override what we currently have */ + adapter->wol = 0; + + if (wol->wolopts & WAKE_MAGIC) + adapter->wol |= ATLX_WUFC_MAG; + if (wol->wolopts & WAKE_PHY) + adapter->wol |= ATLX_WUFC_LNKC; + + return 0; +} + +static int atl2_nway_reset(struct net_device *netdev) +{ + struct atl2_adapter *adapter = netdev_priv(netdev); + if (netif_running(netdev)) + atl2_reinit_locked(adapter); + return 0; +} + +static const struct ethtool_ops atl2_ethtool_ops = { + .get_settings = atl2_get_settings, + .set_settings = atl2_set_settings, + .get_drvinfo = atl2_get_drvinfo, + .get_regs_len = atl2_get_regs_len, + .get_regs = atl2_get_regs, + .get_wol = atl2_get_wol, + .set_wol = atl2_set_wol, + .get_msglevel = atl2_get_msglevel, + .set_msglevel = atl2_set_msglevel, + .nway_reset = atl2_nway_reset, + .get_link = ethtool_op_get_link, + .get_eeprom_len = atl2_get_eeprom_len, + .get_eeprom = atl2_get_eeprom, + .set_eeprom = atl2_set_eeprom, +}; + +static void atl2_set_ethtool_ops(struct net_device *netdev) +{ + SET_ETHTOOL_OPS(netdev, &atl2_ethtool_ops); +} + +#define LBYTESWAP(a) ((((a) & 0x00ff00ff) << 8) | \ + (((a) & 0xff00ff00) >> 8)) +#define LONGSWAP(a) ((LBYTESWAP(a) << 16) | (LBYTESWAP(a) >> 16)) +#define SHORTSWAP(a) (((a) << 8) | ((a) >> 8)) + +/* + * Reset the transmit and receive units; mask and clear all interrupts. + * + * hw - Struct containing variables accessed by shared code + * return : 0 or idle status (if error) + */ +static s32 atl2_reset_hw(struct atl2_hw *hw) +{ + u32 icr; + u16 pci_cfg_cmd_word; + int i; + + /* Workaround for PCI problem when BIOS sets MMRBC incorrectly. */ + atl2_read_pci_cfg(hw, PCI_REG_COMMAND, &pci_cfg_cmd_word); + if ((pci_cfg_cmd_word & + (CMD_IO_SPACE|CMD_MEMORY_SPACE|CMD_BUS_MASTER)) != + (CMD_IO_SPACE|CMD_MEMORY_SPACE|CMD_BUS_MASTER)) { + pci_cfg_cmd_word |= + (CMD_IO_SPACE|CMD_MEMORY_SPACE|CMD_BUS_MASTER); + atl2_write_pci_cfg(hw, PCI_REG_COMMAND, &pci_cfg_cmd_word); + } + + /* Clear Interrupt mask to stop board from generating + * interrupts & Clear any pending interrupt events + */ + /* FIXME */ + /* ATL2_WRITE_REG(hw, REG_IMR, 0); */ + /* ATL2_WRITE_REG(hw, REG_ISR, 0xffffffff); */ + + /* Issue Soft Reset to the MAC. This will reset the chip's + * transmit, receive, DMA. It will not effect + * the current PCI configuration. The global reset bit is self- + * clearing, and should clear within a microsecond. + */ + ATL2_WRITE_REG(hw, REG_MASTER_CTRL, MASTER_CTRL_SOFT_RST); + wmb(); + msleep(1); /* delay about 1ms */ + + /* Wait at least 10ms for All module to be Idle */ + for (i = 0; i < 10; i++) { + icr = ATL2_READ_REG(hw, REG_IDLE_STATUS); + if (!icr) + break; + msleep(1); /* delay 1 ms */ + cpu_relax(); + } + + if (icr) + return icr; + + return 0; +} + +#define CUSTOM_SPI_CS_SETUP 2 +#define CUSTOM_SPI_CLK_HI 2 +#define CUSTOM_SPI_CLK_LO 2 +#define CUSTOM_SPI_CS_HOLD 2 +#define CUSTOM_SPI_CS_HI 3 + +static struct atl2_spi_flash_dev flash_table[] = +{ +/* MFR WRSR READ PROGRAM WREN WRDI RDSR RDID SECTOR_ERASE CHIP_ERASE */ +{"Atmel", 0x0, 0x03, 0x02, 0x06, 0x04, 0x05, 0x15, 0x52, 0x62 }, +{"SST", 0x01, 0x03, 0x02, 0x06, 0x04, 0x05, 0x90, 0x20, 0x60 }, +{"ST", 0x01, 0x03, 0x02, 0x06, 0x04, 0x05, 0xAB, 0xD8, 0xC7 }, +}; + +static bool atl2_spi_read(struct atl2_hw *hw, u32 addr, u32 *buf) +{ + int i; + u32 value; + + ATL2_WRITE_REG(hw, REG_SPI_DATA, 0); + ATL2_WRITE_REG(hw, REG_SPI_ADDR, addr); + + value = SPI_FLASH_CTRL_WAIT_READY | + (CUSTOM_SPI_CS_SETUP & SPI_FLASH_CTRL_CS_SETUP_MASK) << + SPI_FLASH_CTRL_CS_SETUP_SHIFT | + (CUSTOM_SPI_CLK_HI & SPI_FLASH_CTRL_CLK_HI_MASK) << + SPI_FLASH_CTRL_CLK_HI_SHIFT | + (CUSTOM_SPI_CLK_LO & SPI_FLASH_CTRL_CLK_LO_MASK) << + SPI_FLASH_CTRL_CLK_LO_SHIFT | + (CUSTOM_SPI_CS_HOLD & SPI_FLASH_CTRL_CS_HOLD_MASK) << + SPI_FLASH_CTRL_CS_HOLD_SHIFT | + (CUSTOM_SPI_CS_HI & SPI_FLASH_CTRL_CS_HI_MASK) << + SPI_FLASH_CTRL_CS_HI_SHIFT | + (0x1 & SPI_FLASH_CTRL_INS_MASK) << SPI_FLASH_CTRL_INS_SHIFT; + + ATL2_WRITE_REG(hw, REG_SPI_FLASH_CTRL, value); + + value |= SPI_FLASH_CTRL_START; + + ATL2_WRITE_REG(hw, REG_SPI_FLASH_CTRL, value); + + for (i = 0; i < 10; i++) { + msleep(1); + value = ATL2_READ_REG(hw, REG_SPI_FLASH_CTRL); + if (!(value & SPI_FLASH_CTRL_START)) + break; + } + + if (value & SPI_FLASH_CTRL_START) + return false; + + *buf = ATL2_READ_REG(hw, REG_SPI_DATA); + + return true; +} + +/* + * get_permanent_address + * return 0 if get valid mac address, + */ +static int get_permanent_address(struct atl2_hw *hw) +{ + u32 Addr[2]; + u32 i, Control; + u16 Register; + u8 EthAddr[NODE_ADDRESS_SIZE]; + bool KeyValid; + + if (is_valid_ether_addr(hw->perm_mac_addr)) + return 0; + + Addr[0] = 0; + Addr[1] = 0; + + if (!atl2_check_eeprom_exist(hw)) { /* eeprom exists */ + Register = 0; + KeyValid = false; + + /* Read out all EEPROM content */ + i = 0; + while (1) { + if (atl2_read_eeprom(hw, i + 0x100, &Control)) { + if (KeyValid) { + if (Register == REG_MAC_STA_ADDR) + Addr[0] = Control; + else if (Register == + (REG_MAC_STA_ADDR + 4)) + Addr[1] = Control; + KeyValid = false; + } else if ((Control & 0xff) == 0x5A) { + KeyValid = true; + Register = (u16) (Control >> 16); + } else { + /* assume data end while encount an invalid KEYWORD */ + break; + } + } else { + break; /* read error */ + } + i += 4; + } + + *(u32 *) &EthAddr[2] = LONGSWAP(Addr[0]); + *(u16 *) &EthAddr[0] = SHORTSWAP(*(u16 *) &Addr[1]); + + if (is_valid_ether_addr(EthAddr)) { + memcpy(hw->perm_mac_addr, EthAddr, NODE_ADDRESS_SIZE); + return 0; + } + return 1; + } + + /* see if SPI flash exists? */ + Addr[0] = 0; + Addr[1] = 0; + Register = 0; + KeyValid = false; + i = 0; + while (1) { + if (atl2_spi_read(hw, i + 0x1f000, &Control)) { + if (KeyValid) { + if (Register == REG_MAC_STA_ADDR) + Addr[0] = Control; + else if (Register == (REG_MAC_STA_ADDR + 4)) + Addr[1] = Control; + KeyValid = false; + } else if ((Control & 0xff) == 0x5A) { + KeyValid = true; + Register = (u16) (Control >> 16); + } else { + break; /* data end */ + } + } else { + break; /* read error */ + } + i += 4; + } + + *(u32 *) &EthAddr[2] = LONGSWAP(Addr[0]); + *(u16 *) &EthAddr[0] = SHORTSWAP(*(u16 *)&Addr[1]); + if (is_valid_ether_addr(EthAddr)) { + memcpy(hw->perm_mac_addr, EthAddr, NODE_ADDRESS_SIZE); + return 0; + } + /* maybe MAC-address is from BIOS */ + Addr[0] = ATL2_READ_REG(hw, REG_MAC_STA_ADDR); + Addr[1] = ATL2_READ_REG(hw, REG_MAC_STA_ADDR + 4); + *(u32 *) &EthAddr[2] = LONGSWAP(Addr[0]); + *(u16 *) &EthAddr[0] = SHORTSWAP(*(u16 *) &Addr[1]); + + if (is_valid_ether_addr(EthAddr)) { + memcpy(hw->perm_mac_addr, EthAddr, NODE_ADDRESS_SIZE); + return 0; + } + + return 1; +} + +/* + * Reads the adapter's MAC address from the EEPROM + * + * hw - Struct containing variables accessed by shared code + */ +static s32 atl2_read_mac_addr(struct atl2_hw *hw) +{ + u16 i; + + if (get_permanent_address(hw)) { + /* for test */ + /* FIXME: shouldn't we use random_ether_addr() here? */ + hw->perm_mac_addr[0] = 0x00; + hw->perm_mac_addr[1] = 0x13; + hw->perm_mac_addr[2] = 0x74; + hw->perm_mac_addr[3] = 0x00; + hw->perm_mac_addr[4] = 0x5c; + hw->perm_mac_addr[5] = 0x38; + } + + for (i = 0; i < NODE_ADDRESS_SIZE; i++) + hw->mac_addr[i] = hw->perm_mac_addr[i]; + + return 0; +} + +/* + * Hashes an address to determine its location in the multicast table + * + * hw - Struct containing variables accessed by shared code + * mc_addr - the multicast address to hash + * + * atl2_hash_mc_addr + * purpose + * set hash value for a multicast address + * hash calcu processing : + * 1. calcu 32bit CRC for multicast address + * 2. reverse crc with MSB to LSB + */ +static u32 atl2_hash_mc_addr(struct atl2_hw *hw, u8 *mc_addr) +{ + u32 crc32, value; + int i; + + value = 0; + crc32 = ether_crc_le(6, mc_addr); + + for (i = 0; i < 32; i++) + value |= (((crc32 >> i) & 1) << (31 - i)); + + return value; +} + +/* + * Sets the bit in the multicast table corresponding to the hash value. + * + * hw - Struct containing variables accessed by shared code + * hash_value - Multicast address hash value + */ +static void atl2_hash_set(struct atl2_hw *hw, u32 hash_value) +{ + u32 hash_bit, hash_reg; + u32 mta; + + /* The HASH Table is a register array of 2 32-bit registers. + * It is treated like an array of 64 bits. We want to set + * bit BitArray[hash_value]. So we figure out what register + * the bit is in, read it, OR in the new bit, then write + * back the new value. The register is determined by the + * upper 7 bits of the hash value and the bit within that + * register are determined by the lower 5 bits of the value. + */ + hash_reg = (hash_value >> 31) & 0x1; + hash_bit = (hash_value >> 26) & 0x1F; + + mta = ATL2_READ_REG_ARRAY(hw, REG_RX_HASH_TABLE, hash_reg); + + mta |= (1 << hash_bit); + + ATL2_WRITE_REG_ARRAY(hw, REG_RX_HASH_TABLE, hash_reg, mta); +} + +/* + * atl2_init_pcie - init PCIE module + */ +static void atl2_init_pcie(struct atl2_hw *hw) +{ + u32 value; + value = LTSSM_TEST_MODE_DEF; + ATL2_WRITE_REG(hw, REG_LTSSM_TEST_MODE, value); + + value = PCIE_DLL_TX_CTRL1_DEF; + ATL2_WRITE_REG(hw, REG_PCIE_DLL_TX_CTRL1, value); +} + +static void atl2_init_flash_opcode(struct atl2_hw *hw) +{ + if (hw->flash_vendor >= ARRAY_SIZE(flash_table)) + hw->flash_vendor = 0; /* ATMEL */ + + /* Init OP table */ + ATL2_WRITE_REGB(hw, REG_SPI_FLASH_OP_PROGRAM, + flash_table[hw->flash_vendor].cmdPROGRAM); + ATL2_WRITE_REGB(hw, REG_SPI_FLASH_OP_SC_ERASE, + flash_table[hw->flash_vendor].cmdSECTOR_ERASE); + ATL2_WRITE_REGB(hw, REG_SPI_FLASH_OP_CHIP_ERASE, + flash_table[hw->flash_vendor].cmdCHIP_ERASE); + ATL2_WRITE_REGB(hw, REG_SPI_FLASH_OP_RDID, + flash_table[hw->flash_vendor].cmdRDID); + ATL2_WRITE_REGB(hw, REG_SPI_FLASH_OP_WREN, + flash_table[hw->flash_vendor].cmdWREN); + ATL2_WRITE_REGB(hw, REG_SPI_FLASH_OP_RDSR, + flash_table[hw->flash_vendor].cmdRDSR); + ATL2_WRITE_REGB(hw, REG_SPI_FLASH_OP_WRSR, + flash_table[hw->flash_vendor].cmdWRSR); + ATL2_WRITE_REGB(hw, REG_SPI_FLASH_OP_READ, + flash_table[hw->flash_vendor].cmdREAD); +} + +/******************************************************************** +* Performs basic configuration of the adapter. +* +* hw - Struct containing variables accessed by shared code +* Assumes that the controller has previously been reset and is in a +* post-reset uninitialized state. Initializes multicast table, +* and Calls routines to setup link +* Leaves the transmit and receive units disabled and uninitialized. +********************************************************************/ +static s32 atl2_init_hw(struct atl2_hw *hw) +{ + u32 ret_val = 0; + + atl2_init_pcie(hw); + + /* Zero out the Multicast HASH table */ + /* clear the old settings from the multicast hash table */ + ATL2_WRITE_REG(hw, REG_RX_HASH_TABLE, 0); + ATL2_WRITE_REG_ARRAY(hw, REG_RX_HASH_TABLE, 1, 0); + + atl2_init_flash_opcode(hw); + + ret_val = atl2_phy_init(hw); + + return ret_val; +} + +/* + * Detects the current speed and duplex settings of the hardware. + * + * hw - Struct containing variables accessed by shared code + * speed - Speed of the connection + * duplex - Duplex setting of the connection + */ +static s32 atl2_get_speed_and_duplex(struct atl2_hw *hw, u16 *speed, + u16 *duplex) +{ + s32 ret_val; + u16 phy_data; + + /* Read PHY Specific Status Register (17) */ + ret_val = atl2_read_phy_reg(hw, MII_ATLX_PSSR, &phy_data); + if (ret_val) + return ret_val; + + if (!(phy_data & MII_ATLX_PSSR_SPD_DPLX_RESOLVED)) + return ATLX_ERR_PHY_RES; + + switch (phy_data & MII_ATLX_PSSR_SPEED) { + case MII_ATLX_PSSR_100MBS: + *speed = SPEED_100; + break; + case MII_ATLX_PSSR_10MBS: + *speed = SPEED_10; + break; + default: + return ATLX_ERR_PHY_SPEED; + break; + } + + if (phy_data & MII_ATLX_PSSR_DPLX) + *duplex = FULL_DUPLEX; + else + *duplex = HALF_DUPLEX; + + return 0; +} + +/* + * Reads the value from a PHY register + * hw - Struct containing variables accessed by shared code + * reg_addr - address of the PHY register to read + */ +static s32 atl2_read_phy_reg(struct atl2_hw *hw, u16 reg_addr, u16 *phy_data) +{ + u32 val; + int i; + + val = ((u32)(reg_addr & MDIO_REG_ADDR_MASK)) << MDIO_REG_ADDR_SHIFT | + MDIO_START | + MDIO_SUP_PREAMBLE | + MDIO_RW | + MDIO_CLK_25_4 << MDIO_CLK_SEL_SHIFT; + ATL2_WRITE_REG(hw, REG_MDIO_CTRL, val); + + wmb(); + + for (i = 0; i < MDIO_WAIT_TIMES; i++) { + udelay(2); + val = ATL2_READ_REG(hw, REG_MDIO_CTRL); + if (!(val & (MDIO_START | MDIO_BUSY))) + break; + wmb(); + } + if (!(val & (MDIO_START | MDIO_BUSY))) { + *phy_data = (u16)val; + return 0; + } + + return ATLX_ERR_PHY; +} + +/* + * Writes a value to a PHY register + * hw - Struct containing variables accessed by shared code + * reg_addr - address of the PHY register to write + * data - data to write to the PHY + */ +static s32 atl2_write_phy_reg(struct atl2_hw *hw, u32 reg_addr, u16 phy_data) +{ + int i; + u32 val; + + val = ((u32)(phy_data & MDIO_DATA_MASK)) << MDIO_DATA_SHIFT | + (reg_addr & MDIO_REG_ADDR_MASK) << MDIO_REG_ADDR_SHIFT | + MDIO_SUP_PREAMBLE | + MDIO_START | + MDIO_CLK_25_4 << MDIO_CLK_SEL_SHIFT; + ATL2_WRITE_REG(hw, REG_MDIO_CTRL, val); + + wmb(); + + for (i = 0; i < MDIO_WAIT_TIMES; i++) { + udelay(2); + val = ATL2_READ_REG(hw, REG_MDIO_CTRL); + if (!(val & (MDIO_START | MDIO_BUSY))) + break; + + wmb(); + } + + if (!(val & (MDIO_START | MDIO_BUSY))) + return 0; + + return ATLX_ERR_PHY; +} + +/* + * Configures PHY autoneg and flow control advertisement settings + * + * hw - Struct containing variables accessed by shared code + */ +static s32 atl2_phy_setup_autoneg_adv(struct atl2_hw *hw) +{ + s32 ret_val; + s16 mii_autoneg_adv_reg; + + /* Read the MII Auto-Neg Advertisement Register (Address 4). */ + mii_autoneg_adv_reg = MII_AR_DEFAULT_CAP_MASK; + + /* Need to parse autoneg_advertised and set up + * the appropriate PHY registers. First we will parse for + * autoneg_advertised software override. Since we can advertise + * a plethora of combinations, we need to check each bit + * individually. + */ + + /* First we clear all the 10/100 mb speed bits in the Auto-Neg + * Advertisement Register (Address 4) and the 1000 mb speed bits in + * the 1000Base-T Control Register (Address 9). */ + mii_autoneg_adv_reg &= ~MII_AR_SPEED_MASK; + + /* Need to parse MediaType and setup the + * appropriate PHY registers. */ + switch (hw->MediaType) { + case MEDIA_TYPE_AUTO_SENSOR: + mii_autoneg_adv_reg |= + (MII_AR_10T_HD_CAPS | + MII_AR_10T_FD_CAPS | + MII_AR_100TX_HD_CAPS| + MII_AR_100TX_FD_CAPS); + hw->autoneg_advertised = + ADVERTISE_10_HALF | + ADVERTISE_10_FULL | + ADVERTISE_100_HALF| + ADVERTISE_100_FULL; + break; + case MEDIA_TYPE_100M_FULL: + mii_autoneg_adv_reg |= MII_AR_100TX_FD_CAPS; + hw->autoneg_advertised = ADVERTISE_100_FULL; + break; + case MEDIA_TYPE_100M_HALF: + mii_autoneg_adv_reg |= MII_AR_100TX_HD_CAPS; + hw->autoneg_advertised = ADVERTISE_100_HALF; + break; + case MEDIA_TYPE_10M_FULL: + mii_autoneg_adv_reg |= MII_AR_10T_FD_CAPS; + hw->autoneg_advertised = ADVERTISE_10_FULL; + break; + default: + mii_autoneg_adv_reg |= MII_AR_10T_HD_CAPS; + hw->autoneg_advertised = ADVERTISE_10_HALF; + break; + } + + /* flow control fixed to enable all */ + mii_autoneg_adv_reg |= (MII_AR_ASM_DIR | MII_AR_PAUSE); + + hw->mii_autoneg_adv_reg = mii_autoneg_adv_reg; + + ret_val = atl2_write_phy_reg(hw, MII_ADVERTISE, mii_autoneg_adv_reg); + + if (ret_val) + return ret_val; + + return 0; +} + +/* + * Resets the PHY and make all config validate + * + * hw - Struct containing variables accessed by shared code + * + * Sets bit 15 and 12 of the MII Control regiser (for F001 bug) + */ +static s32 atl2_phy_commit(struct atl2_hw *hw) +{ + s32 ret_val; + u16 phy_data; + + phy_data = MII_CR_RESET | MII_CR_AUTO_NEG_EN | MII_CR_RESTART_AUTO_NEG; + ret_val = atl2_write_phy_reg(hw, MII_BMCR, phy_data); + if (ret_val) { + u32 val; + int i; + /* pcie serdes link may be down ! */ + for (i = 0; i < 25; i++) { + msleep(1); + val = ATL2_READ_REG(hw, REG_MDIO_CTRL); + if (!(val & (MDIO_START | MDIO_BUSY))) + break; + } + + if (0 != (val & (MDIO_START | MDIO_BUSY))) { + printk(KERN_ERR "atl2: PCIe link down for at least 25ms !\n"); + return ret_val; + } + } + return 0; +} + +static s32 atl2_phy_init(struct atl2_hw *hw) +{ + s32 ret_val; + u16 phy_val; + + if (hw->phy_configured) + return 0; + + /* Enable PHY */ + ATL2_WRITE_REGW(hw, REG_PHY_ENABLE, 1); + ATL2_WRITE_FLUSH(hw); + msleep(1); + + /* check if the PHY is in powersaving mode */ + atl2_write_phy_reg(hw, MII_DBG_ADDR, 0); + atl2_read_phy_reg(hw, MII_DBG_DATA, &phy_val); + + /* 024E / 124E 0r 0274 / 1274 ? */ + if (phy_val & 0x1000) { + phy_val &= ~0x1000; + atl2_write_phy_reg(hw, MII_DBG_DATA, phy_val); + } + + msleep(1); + + /*Enable PHY LinkChange Interrupt */ + ret_val = atl2_write_phy_reg(hw, 18, 0xC00); + if (ret_val) + return ret_val; + + /* setup AutoNeg parameters */ + ret_val = atl2_phy_setup_autoneg_adv(hw); + if (ret_val) + return ret_val; + + /* SW.Reset & En-Auto-Neg to restart Auto-Neg */ + ret_val = atl2_phy_commit(hw); + if (ret_val) + return ret_val; + + hw->phy_configured = true; + + return ret_val; +} + +static void atl2_set_mac_addr(struct atl2_hw *hw) +{ + u32 value; + /* 00-0B-6A-F6-00-DC + * 0: 6AF600DC 1: 000B + * low dword */ + value = (((u32)hw->mac_addr[2]) << 24) | + (((u32)hw->mac_addr[3]) << 16) | + (((u32)hw->mac_addr[4]) << 8) | + (((u32)hw->mac_addr[5])); + ATL2_WRITE_REG_ARRAY(hw, REG_MAC_STA_ADDR, 0, value); + /* hight dword */ + value = (((u32)hw->mac_addr[0]) << 8) | + (((u32)hw->mac_addr[1])); + ATL2_WRITE_REG_ARRAY(hw, REG_MAC_STA_ADDR, 1, value); +} + +/* + * check_eeprom_exist + * return 0 if eeprom exist + */ +static int atl2_check_eeprom_exist(struct atl2_hw *hw) +{ + u32 value; + + value = ATL2_READ_REG(hw, REG_SPI_FLASH_CTRL); + if (value & SPI_FLASH_CTRL_EN_VPD) { + value &= ~SPI_FLASH_CTRL_EN_VPD; + ATL2_WRITE_REG(hw, REG_SPI_FLASH_CTRL, value); + } + value = ATL2_READ_REGW(hw, REG_PCIE_CAP_LIST); + return ((value & 0xFF00) == 0x6C00) ? 0 : 1; +} + +/* FIXME: This doesn't look right. -- CHS */ +static bool atl2_write_eeprom(struct atl2_hw *hw, u32 offset, u32 value) +{ + return true; +} + +static bool atl2_read_eeprom(struct atl2_hw *hw, u32 Offset, u32 *pValue) +{ + int i; + u32 Control; + + if (Offset & 0x3) + return false; /* address do not align */ + + ATL2_WRITE_REG(hw, REG_VPD_DATA, 0); + Control = (Offset & VPD_CAP_VPD_ADDR_MASK) << VPD_CAP_VPD_ADDR_SHIFT; + ATL2_WRITE_REG(hw, REG_VPD_CAP, Control); + + for (i = 0; i < 10; i++) { + msleep(2); + Control = ATL2_READ_REG(hw, REG_VPD_CAP); + if (Control & VPD_CAP_VPD_FLAG) + break; + } + + if (Control & VPD_CAP_VPD_FLAG) { + *pValue = ATL2_READ_REG(hw, REG_VPD_DATA); + return true; + } + return false; /* timeout */ +} + +static void atl2_force_ps(struct atl2_hw *hw) +{ + u16 phy_val; + + atl2_write_phy_reg(hw, MII_DBG_ADDR, 0); + atl2_read_phy_reg(hw, MII_DBG_DATA, &phy_val); + atl2_write_phy_reg(hw, MII_DBG_DATA, phy_val | 0x1000); + + atl2_write_phy_reg(hw, MII_DBG_ADDR, 2); + atl2_write_phy_reg(hw, MII_DBG_DATA, 0x3000); + atl2_write_phy_reg(hw, MII_DBG_ADDR, 3); + atl2_write_phy_reg(hw, MII_DBG_DATA, 0); +} + +/* This is the only thing that needs to be changed to adjust the + * maximum number of ports that the driver can manage. + */ +#define ATL2_MAX_NIC 4 + +#define OPTION_UNSET -1 +#define OPTION_DISABLED 0 +#define OPTION_ENABLED 1 + +/* All parameters are treated the same, as an integer array of values. + * This macro just reduces the need to repeat the same declaration code + * over and over (plus this helps to avoid typo bugs). + */ +#define ATL2_PARAM_INIT {[0 ... ATL2_MAX_NIC] = OPTION_UNSET} +#ifndef module_param_array +/* Module Parameters are always initialized to -1, so that the driver + * can tell the difference between no user specified value or the + * user asking for the default value. + * The true default values are loaded in when atl2_check_options is called. + * + * This is a GCC extension to ANSI C. + * See the item "Labeled Elements in Initializers" in the section + * "Extensions to the C Language Family" of the GCC documentation. + */ + +#define ATL2_PARAM(X, desc) \ + static const int __devinitdata X[ATL2_MAX_NIC + 1] = ATL2_PARAM_INIT; \ + MODULE_PARM(X, "1-" __MODULE_STRING(ATL2_MAX_NIC) "i"); \ + MODULE_PARM_DESC(X, desc); +#else +#define ATL2_PARAM(X, desc) \ + static int __devinitdata X[ATL2_MAX_NIC+1] = ATL2_PARAM_INIT; \ + static unsigned int num_##X; \ + module_param_array_named(X, X, int, &num_##X, 0); \ + MODULE_PARM_DESC(X, desc); +#endif + +/* + * Transmit Memory Size + * Valid Range: 64-2048 + * Default Value: 128 + */ +#define ATL2_MIN_TX_MEMSIZE 4 /* 4KB */ +#define ATL2_MAX_TX_MEMSIZE 64 /* 64KB */ +#define ATL2_DEFAULT_TX_MEMSIZE 8 /* 8KB */ +ATL2_PARAM(TxMemSize, "Bytes of Transmit Memory"); + +/* + * Receive Memory Block Count + * Valid Range: 16-512 + * Default Value: 128 + */ +#define ATL2_MIN_RXD_COUNT 16 +#define ATL2_MAX_RXD_COUNT 512 +#define ATL2_DEFAULT_RXD_COUNT 64 +ATL2_PARAM(RxMemBlock, "Number of receive memory block"); + +/* + * User Specified MediaType Override + * + * Valid Range: 0-5 + * - 0 - auto-negotiate at all supported speeds + * - 1 - only link at 1000Mbps Full Duplex + * - 2 - only link at 100Mbps Full Duplex + * - 3 - only link at 100Mbps Half Duplex + * - 4 - only link at 10Mbps Full Duplex + * - 5 - only link at 10Mbps Half Duplex + * Default Value: 0 + */ +ATL2_PARAM(MediaType, "MediaType Select"); + +/* + * Interrupt Moderate Timer in units of 2048 ns (~2 us) + * Valid Range: 10-65535 + * Default Value: 45000(90ms) + */ +#define INT_MOD_DEFAULT_CNT 100 /* 200us */ +#define INT_MOD_MAX_CNT 65000 +#define INT_MOD_MIN_CNT 50 +ATL2_PARAM(IntModTimer, "Interrupt Moderator Timer"); + +/* + * FlashVendor + * Valid Range: 0-2 + * 0 - Atmel + * 1 - SST + * 2 - ST + */ +ATL2_PARAM(FlashVendor, "SPI Flash Vendor"); + +#define AUTONEG_ADV_DEFAULT 0x2F +#define AUTONEG_ADV_MASK 0x2F +#define FLOW_CONTROL_DEFAULT FLOW_CONTROL_FULL + +#define FLASH_VENDOR_DEFAULT 0 +#define FLASH_VENDOR_MIN 0 +#define FLASH_VENDOR_MAX 2 + +struct atl2_option { + enum { enable_option, range_option, list_option } type; + char *name; + char *err; + int def; + union { + struct { /* range_option info */ + int min; + int max; + } r; + struct { /* list_option info */ + int nr; + struct atl2_opt_list { int i; char *str; } *p; + } l; + } arg; +}; + +static int __devinit atl2_validate_option(int *value, struct atl2_option *opt) +{ + int i; + struct atl2_opt_list *ent; + + if (*value == OPTION_UNSET) { + *value = opt->def; + return 0; + } + + switch (opt->type) { + case enable_option: + switch (*value) { + case OPTION_ENABLED: + printk(KERN_INFO "%s Enabled\n", opt->name); + return 0; + break; + case OPTION_DISABLED: + printk(KERN_INFO "%s Disabled\n", opt->name); + return 0; + break; + } + break; + case range_option: + if (*value >= opt->arg.r.min && *value <= opt->arg.r.max) { + printk(KERN_INFO "%s set to %i\n", opt->name, *value); + return 0; + } + break; + case list_option: + for (i = 0; i < opt->arg.l.nr; i++) { + ent = &opt->arg.l.p[i]; + if (*value == ent->i) { + if (ent->str[0] != '\0') + printk(KERN_INFO "%s\n", ent->str); + return 0; + } + } + break; + default: + BUG(); + } + + printk(KERN_INFO "Invalid %s specified (%i) %s\n", + opt->name, *value, opt->err); + *value = opt->def; + return -1; +} + +/* + * atl2_check_options - Range Checking for Command Line Parameters + * @adapter: board private structure + * + * This routine checks all command line parameters for valid user + * input. If an invalid value is given, or if no user specified + * value exists, a default value is used. The final value is stored + * in a variable in the adapter structure. + */ +static void __devinit atl2_check_options(struct atl2_adapter *adapter) +{ + int val; + struct atl2_option opt; + int bd = adapter->bd_number; + if (bd >= ATL2_MAX_NIC) { + printk(KERN_NOTICE "Warning: no configuration for board #%i\n", + bd); + printk(KERN_NOTICE "Using defaults for all values\n"); +#ifndef module_param_array + bd = ATL2_MAX_NIC; +#endif + } + + /* Bytes of Transmit Memory */ + opt.type = range_option; + opt.name = "Bytes of Transmit Memory"; + opt.err = "using default of " __MODULE_STRING(ATL2_DEFAULT_TX_MEMSIZE); + opt.def = ATL2_DEFAULT_TX_MEMSIZE; + opt.arg.r.min = ATL2_MIN_TX_MEMSIZE; + opt.arg.r.max = ATL2_MAX_TX_MEMSIZE; +#ifdef module_param_array + if (num_TxMemSize > bd) { +#endif + val = TxMemSize[bd]; + atl2_validate_option(&val, &opt); + adapter->txd_ring_size = ((u32) val) * 1024; +#ifdef module_param_array + } else + adapter->txd_ring_size = ((u32)opt.def) * 1024; +#endif + /* txs ring size: */ + adapter->txs_ring_size = adapter->txd_ring_size / 128; + if (adapter->txs_ring_size > 160) + adapter->txs_ring_size = 160; + + /* Receive Memory Block Count */ + opt.type = range_option; + opt.name = "Number of receive memory block"; + opt.err = "using default of " __MODULE_STRING(ATL2_DEFAULT_RXD_COUNT); + opt.def = ATL2_DEFAULT_RXD_COUNT; + opt.arg.r.min = ATL2_MIN_RXD_COUNT; + opt.arg.r.max = ATL2_MAX_RXD_COUNT; +#ifdef module_param_array + if (num_RxMemBlock > bd) { +#endif + val = RxMemBlock[bd]; + atl2_validate_option(&val, &opt); + adapter->rxd_ring_size = (u32)val; + /* FIXME */ + /* ((u16)val)&~1; */ /* even number */ +#ifdef module_param_array + } else + adapter->rxd_ring_size = (u32)opt.def; +#endif + /* init RXD Flow control value */ + adapter->hw.fc_rxd_hi = (adapter->rxd_ring_size / 8) * 7; + adapter->hw.fc_rxd_lo = (ATL2_MIN_RXD_COUNT / 8) > + (adapter->rxd_ring_size / 12) ? (ATL2_MIN_RXD_COUNT / 8) : + (adapter->rxd_ring_size / 12); + + /* Interrupt Moderate Timer */ + opt.type = range_option; + opt.name = "Interrupt Moderate Timer"; + opt.err = "using default of " __MODULE_STRING(INT_MOD_DEFAULT_CNT); + opt.def = INT_MOD_DEFAULT_CNT; + opt.arg.r.min = INT_MOD_MIN_CNT; + opt.arg.r.max = INT_MOD_MAX_CNT; +#ifdef module_param_array + if (num_IntModTimer > bd) { +#endif + val = IntModTimer[bd]; + atl2_validate_option(&val, &opt); + adapter->imt = (u16) val; +#ifdef module_param_array + } else + adapter->imt = (u16)(opt.def); +#endif + /* Flash Vendor */ + opt.type = range_option; + opt.name = "SPI Flash Vendor"; + opt.err = "using default of " __MODULE_STRING(FLASH_VENDOR_DEFAULT); + opt.def = FLASH_VENDOR_DEFAULT; + opt.arg.r.min = FLASH_VENDOR_MIN; + opt.arg.r.max = FLASH_VENDOR_MAX; +#ifdef module_param_array + if (num_FlashVendor > bd) { +#endif + val = FlashVendor[bd]; + atl2_validate_option(&val, &opt); + adapter->hw.flash_vendor = (u8) val; +#ifdef module_param_array + } else + adapter->hw.flash_vendor = (u8)(opt.def); +#endif + /* MediaType */ + opt.type = range_option; + opt.name = "Speed/Duplex Selection"; + opt.err = "using default of " __MODULE_STRING(MEDIA_TYPE_AUTO_SENSOR); + opt.def = MEDIA_TYPE_AUTO_SENSOR; + opt.arg.r.min = MEDIA_TYPE_AUTO_SENSOR; + opt.arg.r.max = MEDIA_TYPE_10M_HALF; +#ifdef module_param_array + if (num_MediaType > bd) { +#endif + val = MediaType[bd]; + atl2_validate_option(&val, &opt); + adapter->hw.MediaType = (u16) val; +#ifdef module_param_array + } else + adapter->hw.MediaType = (u16)(opt.def); +#endif +} diff --git a/drivers/net/ethernet/atheros/atlx/atl2.h b/drivers/net/ethernet/atheros/atlx/atl2.h new file mode 100644 index 000000000000..bf9016ebdd9b --- /dev/null +++ b/drivers/net/ethernet/atheros/atlx/atl2.h @@ -0,0 +1,525 @@ +/* atl2.h -- atl2 driver definitions + * + * Copyright(c) 2007 Atheros Corporation. All rights reserved. + * Copyright(c) 2006 xiong huang + * Copyright(c) 2007 Chris Snook + * + * Derived from Intel e1000 driver + * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., 59 + * Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#ifndef _ATL2_H_ +#define _ATL2_H_ + +#include +#include + +#ifndef _ATL2_HW_H_ +#define _ATL2_HW_H_ + +#ifndef _ATL2_OSDEP_H_ +#define _ATL2_OSDEP_H_ + +#include +#include +#include +#include + +#include "atlx.h" + +#ifdef ETHTOOL_OPS_COMPAT +extern int ethtool_ioctl(struct ifreq *ifr); +#endif + +#define PCI_COMMAND_REGISTER PCI_COMMAND +#define CMD_MEM_WRT_INVALIDATE PCI_COMMAND_INVALIDATE +#define ETH_ADDR_LEN ETH_ALEN + +#define ATL2_WRITE_REG(a, reg, value) (iowrite32((value), \ + ((a)->hw_addr + (reg)))) + +#define ATL2_WRITE_FLUSH(a) (ioread32((a)->hw_addr)) + +#define ATL2_READ_REG(a, reg) (ioread32((a)->hw_addr + (reg))) + +#define ATL2_WRITE_REGB(a, reg, value) (iowrite8((value), \ + ((a)->hw_addr + (reg)))) + +#define ATL2_READ_REGB(a, reg) (ioread8((a)->hw_addr + (reg))) + +#define ATL2_WRITE_REGW(a, reg, value) (iowrite16((value), \ + ((a)->hw_addr + (reg)))) + +#define ATL2_READ_REGW(a, reg) (ioread16((a)->hw_addr + (reg))) + +#define ATL2_WRITE_REG_ARRAY(a, reg, offset, value) \ + (iowrite32((value), (((a)->hw_addr + (reg)) + ((offset) << 2)))) + +#define ATL2_READ_REG_ARRAY(a, reg, offset) \ + (ioread32(((a)->hw_addr + (reg)) + ((offset) << 2))) + +#endif /* _ATL2_OSDEP_H_ */ + +struct atl2_adapter; +struct atl2_hw; + +/* function prototype */ +static s32 atl2_reset_hw(struct atl2_hw *hw); +static s32 atl2_read_mac_addr(struct atl2_hw *hw); +static s32 atl2_init_hw(struct atl2_hw *hw); +static s32 atl2_get_speed_and_duplex(struct atl2_hw *hw, u16 *speed, + u16 *duplex); +static u32 atl2_hash_mc_addr(struct atl2_hw *hw, u8 *mc_addr); +static void atl2_hash_set(struct atl2_hw *hw, u32 hash_value); +static s32 atl2_read_phy_reg(struct atl2_hw *hw, u16 reg_addr, u16 *phy_data); +static s32 atl2_write_phy_reg(struct atl2_hw *hw, u32 reg_addr, u16 phy_data); +static void atl2_read_pci_cfg(struct atl2_hw *hw, u32 reg, u16 *value); +static void atl2_write_pci_cfg(struct atl2_hw *hw, u32 reg, u16 *value); +static void atl2_set_mac_addr(struct atl2_hw *hw); +static bool atl2_read_eeprom(struct atl2_hw *hw, u32 Offset, u32 *pValue); +static bool atl2_write_eeprom(struct atl2_hw *hw, u32 offset, u32 value); +static s32 atl2_phy_init(struct atl2_hw *hw); +static int atl2_check_eeprom_exist(struct atl2_hw *hw); +static void atl2_force_ps(struct atl2_hw *hw); + +/* register definition */ + +/* Block IDLE Status Register */ +#define IDLE_STATUS_RXMAC 1 /* 1: RXMAC is non-IDLE */ +#define IDLE_STATUS_TXMAC 2 /* 1: TXMAC is non-IDLE */ +#define IDLE_STATUS_DMAR 8 /* 1: DMAR is non-IDLE */ +#define IDLE_STATUS_DMAW 4 /* 1: DMAW is non-IDLE */ + +/* MDIO Control Register */ +#define MDIO_WAIT_TIMES 10 + +/* MAC Control Register */ +#define MAC_CTRL_DBG_TX_BKPRESURE 0x100000 /* 1: TX max backoff */ +#define MAC_CTRL_MACLP_CLK_PHY 0x8000000 /* 1: 25MHz from phy */ +#define MAC_CTRL_HALF_LEFT_BUF_SHIFT 28 +#define MAC_CTRL_HALF_LEFT_BUF_MASK 0xF /* MAC retry buf x32B */ + +/* Internal SRAM Partition Register */ +#define REG_SRAM_TXRAM_END 0x1500 /* Internal tail address of TXRAM + * default: 2byte*1024 */ +#define REG_SRAM_RXRAM_END 0x1502 /* Internal tail address of RXRAM + * default: 2byte*1024 */ + +/* Descriptor Control register */ +#define REG_TXD_BASE_ADDR_LO 0x1544 /* The base address of the Transmit + * Data Mem low 32-bit(dword align) */ +#define REG_TXD_MEM_SIZE 0x1548 /* Transmit Data Memory size(by + * double word , max 256KB) */ +#define REG_TXS_BASE_ADDR_LO 0x154C /* The base address of the Transmit + * Status Memory low 32-bit(dword word + * align) */ +#define REG_TXS_MEM_SIZE 0x1550 /* double word unit, max 4*2047 + * bytes. */ +#define REG_RXD_BASE_ADDR_LO 0x1554 /* The base address of the Transmit + * Status Memory low 32-bit(unit 8 + * bytes) */ +#define REG_RXD_BUF_NUM 0x1558 /* Receive Data & Status Memory buffer + * number (unit 1536bytes, max + * 1536*2047) */ + +/* DMAR Control Register */ +#define REG_DMAR 0x1580 +#define DMAR_EN 0x1 /* 1: Enable DMAR */ + +/* TX Cur-Through (early tx threshold) Control Register */ +#define REG_TX_CUT_THRESH 0x1590 /* TxMac begin transmit packet + * threshold(unit word) */ + +/* DMAW Control Register */ +#define REG_DMAW 0x15A0 +#define DMAW_EN 0x1 + +/* Flow control register */ +#define REG_PAUSE_ON_TH 0x15A8 /* RXD high watermark of overflow + * threshold configuration register */ +#define REG_PAUSE_OFF_TH 0x15AA /* RXD lower watermark of overflow + * threshold configuration register */ + +/* Mailbox Register */ +#define REG_MB_TXD_WR_IDX 0x15f0 /* double word align */ +#define REG_MB_RXD_RD_IDX 0x15F4 /* RXD Read index (unit: 1536byets) */ + +/* Interrupt Status Register */ +#define ISR_TIMER 1 /* Interrupt when Timer counts down to zero */ +#define ISR_MANUAL 2 /* Software manual interrupt, for debug. Set + * when SW_MAN_INT_EN is set in Table 51 + * Selene Master Control Register + * (Offset 0x1400). */ +#define ISR_RXF_OV 4 /* RXF overflow interrupt */ +#define ISR_TXF_UR 8 /* TXF underrun interrupt */ +#define ISR_TXS_OV 0x10 /* Internal transmit status buffer full + * interrupt */ +#define ISR_RXS_OV 0x20 /* Internal receive status buffer full + * interrupt */ +#define ISR_LINK_CHG 0x40 /* Link Status Change Interrupt */ +#define ISR_HOST_TXD_UR 0x80 +#define ISR_HOST_RXD_OV 0x100 /* Host rx data memory full , one pulse */ +#define ISR_DMAR_TO_RST 0x200 /* DMAR op timeout interrupt. SW should + * do Reset */ +#define ISR_DMAW_TO_RST 0x400 +#define ISR_PHY 0x800 /* phy interrupt */ +#define ISR_TS_UPDATE 0x10000 /* interrupt after new tx pkt status written + * to host */ +#define ISR_RS_UPDATE 0x20000 /* interrupt ater new rx pkt status written + * to host. */ +#define ISR_TX_EARLY 0x40000 /* interrupt when txmac begin transmit one + * packet */ + +#define ISR_TX_EVENT (ISR_TXF_UR | ISR_TXS_OV | ISR_HOST_TXD_UR |\ + ISR_TS_UPDATE | ISR_TX_EARLY) +#define ISR_RX_EVENT (ISR_RXF_OV | ISR_RXS_OV | ISR_HOST_RXD_OV |\ + ISR_RS_UPDATE) + +#define IMR_NORMAL_MASK (\ + /*ISR_LINK_CHG |*/\ + ISR_MANUAL |\ + ISR_DMAR_TO_RST |\ + ISR_DMAW_TO_RST |\ + ISR_PHY |\ + ISR_PHY_LINKDOWN |\ + ISR_TS_UPDATE |\ + ISR_RS_UPDATE) + +/* Receive MAC Statistics Registers */ +#define REG_STS_RX_PAUSE 0x1700 /* Num pause packets received */ +#define REG_STS_RXD_OV 0x1704 /* Num frames dropped due to RX + * FIFO overflow */ +#define REG_STS_RXS_OV 0x1708 /* Num frames dropped due to RX + * Status Buffer Overflow */ +#define REG_STS_RX_FILTER 0x170C /* Num packets dropped due to + * address filtering */ + +/* MII definitions */ + +/* PHY Common Register */ +#define MII_SMARTSPEED 0x14 +#define MII_DBG_ADDR 0x1D +#define MII_DBG_DATA 0x1E + +/* PCI Command Register Bit Definitions */ +#define PCI_REG_COMMAND 0x04 +#define CMD_IO_SPACE 0x0001 +#define CMD_MEMORY_SPACE 0x0002 +#define CMD_BUS_MASTER 0x0004 + +#define MEDIA_TYPE_100M_FULL 1 +#define MEDIA_TYPE_100M_HALF 2 +#define MEDIA_TYPE_10M_FULL 3 +#define MEDIA_TYPE_10M_HALF 4 + +#define AUTONEG_ADVERTISE_SPEED_DEFAULT 0x000F /* Everything */ + +/* The size (in bytes) of a ethernet packet */ +#define ENET_HEADER_SIZE 14 +#define MAXIMUM_ETHERNET_FRAME_SIZE 1518 /* with FCS */ +#define MINIMUM_ETHERNET_FRAME_SIZE 64 /* with FCS */ +#define ETHERNET_FCS_SIZE 4 +#define MAX_JUMBO_FRAME_SIZE 0x2000 +#define VLAN_SIZE 4 + +struct tx_pkt_header { + unsigned pkt_size:11; + unsigned:4; /* reserved */ + unsigned ins_vlan:1; /* txmac should insert vlan */ + unsigned short vlan; /* vlan tag */ +}; +/* FIXME: replace above bitfields with MASK/SHIFT defines below */ +#define TX_PKT_HEADER_SIZE_MASK 0x7FF +#define TX_PKT_HEADER_SIZE_SHIFT 0 +#define TX_PKT_HEADER_INS_VLAN_MASK 0x1 +#define TX_PKT_HEADER_INS_VLAN_SHIFT 15 +#define TX_PKT_HEADER_VLAN_TAG_MASK 0xFFFF +#define TX_PKT_HEADER_VLAN_TAG_SHIFT 16 + +struct tx_pkt_status { + unsigned pkt_size:11; + unsigned:5; /* reserved */ + unsigned ok:1; /* current packet transmitted without error */ + unsigned bcast:1; /* broadcast packet */ + unsigned mcast:1; /* multicast packet */ + unsigned pause:1; /* transmiited a pause frame */ + unsigned ctrl:1; + unsigned defer:1; /* current packet is xmitted with defer */ + unsigned exc_defer:1; + unsigned single_col:1; + unsigned multi_col:1; + unsigned late_col:1; + unsigned abort_col:1; + unsigned underun:1; /* current packet is aborted + * due to txram underrun */ + unsigned:3; /* reserved */ + unsigned update:1; /* always 1'b1 in tx_status_buf */ +}; +/* FIXME: replace above bitfields with MASK/SHIFT defines below */ +#define TX_PKT_STATUS_SIZE_MASK 0x7FF +#define TX_PKT_STATUS_SIZE_SHIFT 0 +#define TX_PKT_STATUS_OK_MASK 0x1 +#define TX_PKT_STATUS_OK_SHIFT 16 +#define TX_PKT_STATUS_BCAST_MASK 0x1 +#define TX_PKT_STATUS_BCAST_SHIFT 17 +#define TX_PKT_STATUS_MCAST_MASK 0x1 +#define TX_PKT_STATUS_MCAST_SHIFT 18 +#define TX_PKT_STATUS_PAUSE_MASK 0x1 +#define TX_PKT_STATUS_PAUSE_SHIFT 19 +#define TX_PKT_STATUS_CTRL_MASK 0x1 +#define TX_PKT_STATUS_CTRL_SHIFT 20 +#define TX_PKT_STATUS_DEFER_MASK 0x1 +#define TX_PKT_STATUS_DEFER_SHIFT 21 +#define TX_PKT_STATUS_EXC_DEFER_MASK 0x1 +#define TX_PKT_STATUS_EXC_DEFER_SHIFT 22 +#define TX_PKT_STATUS_SINGLE_COL_MASK 0x1 +#define TX_PKT_STATUS_SINGLE_COL_SHIFT 23 +#define TX_PKT_STATUS_MULTI_COL_MASK 0x1 +#define TX_PKT_STATUS_MULTI_COL_SHIFT 24 +#define TX_PKT_STATUS_LATE_COL_MASK 0x1 +#define TX_PKT_STATUS_LATE_COL_SHIFT 25 +#define TX_PKT_STATUS_ABORT_COL_MASK 0x1 +#define TX_PKT_STATUS_ABORT_COL_SHIFT 26 +#define TX_PKT_STATUS_UNDERRUN_MASK 0x1 +#define TX_PKT_STATUS_UNDERRUN_SHIFT 27 +#define TX_PKT_STATUS_UPDATE_MASK 0x1 +#define TX_PKT_STATUS_UPDATE_SHIFT 31 + +struct rx_pkt_status { + unsigned pkt_size:11; /* packet size, max 2047 bytes */ + unsigned:5; /* reserved */ + unsigned ok:1; /* current packet received ok without error */ + unsigned bcast:1; /* current packet is broadcast */ + unsigned mcast:1; /* current packet is multicast */ + unsigned pause:1; + unsigned ctrl:1; + unsigned crc:1; /* received a packet with crc error */ + unsigned code:1; /* received a packet with code error */ + unsigned runt:1; /* received a packet less than 64 bytes + * with good crc */ + unsigned frag:1; /* received a packet less than 64 bytes + * with bad crc */ + unsigned trunc:1; /* current frame truncated due to rxram full */ + unsigned align:1; /* this packet is alignment error */ + unsigned vlan:1; /* this packet has vlan */ + unsigned:3; /* reserved */ + unsigned update:1; + unsigned short vtag; /* vlan tag */ + unsigned:16; +}; +/* FIXME: replace above bitfields with MASK/SHIFT defines below */ +#define RX_PKT_STATUS_SIZE_MASK 0x7FF +#define RX_PKT_STATUS_SIZE_SHIFT 0 +#define RX_PKT_STATUS_OK_MASK 0x1 +#define RX_PKT_STATUS_OK_SHIFT 16 +#define RX_PKT_STATUS_BCAST_MASK 0x1 +#define RX_PKT_STATUS_BCAST_SHIFT 17 +#define RX_PKT_STATUS_MCAST_MASK 0x1 +#define RX_PKT_STATUS_MCAST_SHIFT 18 +#define RX_PKT_STATUS_PAUSE_MASK 0x1 +#define RX_PKT_STATUS_PAUSE_SHIFT 19 +#define RX_PKT_STATUS_CTRL_MASK 0x1 +#define RX_PKT_STATUS_CTRL_SHIFT 20 +#define RX_PKT_STATUS_CRC_MASK 0x1 +#define RX_PKT_STATUS_CRC_SHIFT 21 +#define RX_PKT_STATUS_CODE_MASK 0x1 +#define RX_PKT_STATUS_CODE_SHIFT 22 +#define RX_PKT_STATUS_RUNT_MASK 0x1 +#define RX_PKT_STATUS_RUNT_SHIFT 23 +#define RX_PKT_STATUS_FRAG_MASK 0x1 +#define RX_PKT_STATUS_FRAG_SHIFT 24 +#define RX_PKT_STATUS_TRUNK_MASK 0x1 +#define RX_PKT_STATUS_TRUNK_SHIFT 25 +#define RX_PKT_STATUS_ALIGN_MASK 0x1 +#define RX_PKT_STATUS_ALIGN_SHIFT 26 +#define RX_PKT_STATUS_VLAN_MASK 0x1 +#define RX_PKT_STATUS_VLAN_SHIFT 27 +#define RX_PKT_STATUS_UPDATE_MASK 0x1 +#define RX_PKT_STATUS_UPDATE_SHIFT 31 +#define RX_PKT_STATUS_VLAN_TAG_MASK 0xFFFF +#define RX_PKT_STATUS_VLAN_TAG_SHIFT 32 + +struct rx_desc { + struct rx_pkt_status status; + unsigned char packet[1536-sizeof(struct rx_pkt_status)]; +}; + +enum atl2_speed_duplex { + atl2_10_half = 0, + atl2_10_full = 1, + atl2_100_half = 2, + atl2_100_full = 3 +}; + +struct atl2_spi_flash_dev { + const char *manu_name; /* manufacturer id */ + /* op-code */ + u8 cmdWRSR; + u8 cmdREAD; + u8 cmdPROGRAM; + u8 cmdWREN; + u8 cmdWRDI; + u8 cmdRDSR; + u8 cmdRDID; + u8 cmdSECTOR_ERASE; + u8 cmdCHIP_ERASE; +}; + +/* Structure containing variables used by the shared code (atl2_hw.c) */ +struct atl2_hw { + u8 __iomem *hw_addr; + void *back; + + u8 preamble_len; + u8 max_retry; /* Retransmission maximum, afterwards the + * packet will be discarded. */ + u8 jam_ipg; /* IPG to start JAM for collision based flow + * control in half-duplex mode. In unit of + * 8-bit time. */ + u8 ipgt; /* Desired back to back inter-packet gap. The + * default is 96-bit time. */ + u8 min_ifg; /* Minimum number of IFG to enforce in between + * RX frames. Frame gap below such IFP is + * dropped. */ + u8 ipgr1; /* 64bit Carrier-Sense window */ + u8 ipgr2; /* 96-bit IPG window */ + u8 retry_buf; /* When half-duplex mode, should hold some + * bytes for mac retry . (8*4bytes unit) */ + + u16 fc_rxd_hi; + u16 fc_rxd_lo; + u16 lcol; /* Collision Window */ + u16 max_frame_size; + + u16 MediaType; + u16 autoneg_advertised; + u16 pci_cmd_word; + + u16 mii_autoneg_adv_reg; + + u32 mem_rang; + u32 txcw; + u32 mc_filter_type; + u32 num_mc_addrs; + u32 collision_delta; + u32 tx_packet_delta; + u16 phy_spd_default; + + u16 device_id; + u16 vendor_id; + u16 subsystem_id; + u16 subsystem_vendor_id; + u8 revision_id; + + /* spi flash */ + u8 flash_vendor; + + u8 dma_fairness; + u8 mac_addr[NODE_ADDRESS_SIZE]; + u8 perm_mac_addr[NODE_ADDRESS_SIZE]; + + /* FIXME */ + /* bool phy_preamble_sup; */ + bool phy_configured; +}; + +#endif /* _ATL2_HW_H_ */ + +struct atl2_ring_header { + /* pointer to the descriptor ring memory */ + void *desc; + /* physical address of the descriptor ring */ + dma_addr_t dma; + /* length of descriptor ring in bytes */ + unsigned int size; +}; + +/* board specific private data structure */ +struct atl2_adapter { + /* OS defined structs */ + struct net_device *netdev; + struct pci_dev *pdev; + u32 wol; + u16 link_speed; + u16 link_duplex; + + spinlock_t stats_lock; + + struct work_struct reset_task; + struct work_struct link_chg_task; + struct timer_list watchdog_timer; + struct timer_list phy_config_timer; + + unsigned long cfg_phy; + bool mac_disabled; + + /* All Descriptor memory */ + dma_addr_t ring_dma; + void *ring_vir_addr; + int ring_size; + + struct tx_pkt_header *txd_ring; + dma_addr_t txd_dma; + + struct tx_pkt_status *txs_ring; + dma_addr_t txs_dma; + + struct rx_desc *rxd_ring; + dma_addr_t rxd_dma; + + u32 txd_ring_size; /* bytes per unit */ + u32 txs_ring_size; /* dwords per unit */ + u32 rxd_ring_size; /* 1536 bytes per unit */ + + /* read /write ptr: */ + /* host */ + u32 txd_write_ptr; + u32 txs_next_clear; + u32 rxd_read_ptr; + + /* nic */ + atomic_t txd_read_ptr; + atomic_t txs_write_ptr; + u32 rxd_write_ptr; + + /* Interrupt Moderator timer ( 2us resolution) */ + u16 imt; + /* Interrupt Clear timer (2us resolution) */ + u16 ict; + + unsigned long flags; + /* structs defined in atl2_hw.h */ + u32 bd_number; /* board number */ + bool pci_using_64; + bool have_msi; + struct atl2_hw hw; + + u32 usr_cmd; + /* FIXME */ + /* u32 regs_buff[ATL2_REGS_LEN]; */ + u32 pci_state[16]; + + u32 *config_space; +}; + +enum atl2_state_t { + __ATL2_TESTING, + __ATL2_RESETTING, + __ATL2_DOWN +}; + +#endif /* _ATL2_H_ */ diff --git a/drivers/net/ethernet/atheros/atlx/atlx.c b/drivers/net/ethernet/atheros/atlx/atlx.c new file mode 100644 index 000000000000..aabcf4b5745a --- /dev/null +++ b/drivers/net/ethernet/atheros/atlx/atlx.c @@ -0,0 +1,269 @@ +/* atlx.c -- common functions for Attansic network drivers + * + * Copyright(c) 2005 - 2006 Attansic Corporation. All rights reserved. + * Copyright(c) 2006 - 2007 Chris Snook + * Copyright(c) 2006 - 2008 Jay Cliburn + * Copyright(c) 2007 Atheros Corporation. All rights reserved. + * + * Derived from Intel e1000 driver + * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., 59 + * Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +/* Including this file like a header is a temporary hack, I promise. -- CHS */ +#ifndef ATLX_C +#define ATLX_C + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "atlx.h" + +static s32 atlx_read_phy_reg(struct atl1_hw *hw, u16 reg_addr, u16 *phy_data); +static u32 atlx_hash_mc_addr(struct atl1_hw *hw, u8 *mc_addr); +static void atlx_set_mac_addr(struct atl1_hw *hw); + +static struct atlx_spi_flash_dev flash_table[] = { +/* MFR_NAME WRSR READ PRGM WREN WRDI RDSR RDID SEC_ERS CHIP_ERS */ + {"Atmel", 0x00, 0x03, 0x02, 0x06, 0x04, 0x05, 0x15, 0x52, 0x62}, + {"SST", 0x01, 0x03, 0x02, 0x06, 0x04, 0x05, 0x90, 0x20, 0x60}, + {"ST", 0x01, 0x03, 0x02, 0x06, 0x04, 0x05, 0xAB, 0xD8, 0xC7}, +}; + +static int atlx_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) +{ + switch (cmd) { + case SIOCGMIIPHY: + case SIOCGMIIREG: + case SIOCSMIIREG: + return atlx_mii_ioctl(netdev, ifr, cmd); + default: + return -EOPNOTSUPP; + } +} + +/* + * atlx_set_mac - Change the Ethernet Address of the NIC + * @netdev: network interface device structure + * @p: pointer to an address structure + * + * Returns 0 on success, negative on failure + */ +static int atlx_set_mac(struct net_device *netdev, void *p) +{ + struct atlx_adapter *adapter = netdev_priv(netdev); + struct sockaddr *addr = p; + + if (netif_running(netdev)) + return -EBUSY; + + if (!is_valid_ether_addr(addr->sa_data)) + return -EADDRNOTAVAIL; + + memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); + memcpy(adapter->hw.mac_addr, addr->sa_data, netdev->addr_len); + + atlx_set_mac_addr(&adapter->hw); + return 0; +} + +static void atlx_check_for_link(struct atlx_adapter *adapter) +{ + struct net_device *netdev = adapter->netdev; + u16 phy_data = 0; + + spin_lock(&adapter->lock); + adapter->phy_timer_pending = false; + atlx_read_phy_reg(&adapter->hw, MII_BMSR, &phy_data); + atlx_read_phy_reg(&adapter->hw, MII_BMSR, &phy_data); + spin_unlock(&adapter->lock); + + /* notify upper layer link down ASAP */ + if (!(phy_data & BMSR_LSTATUS)) { + /* Link Down */ + if (netif_carrier_ok(netdev)) { + /* old link state: Up */ + dev_info(&adapter->pdev->dev, "%s link is down\n", + netdev->name); + adapter->link_speed = SPEED_0; + netif_carrier_off(netdev); + } + } + schedule_work(&adapter->link_chg_task); +} + +/* + * atlx_set_multi - Multicast and Promiscuous mode set + * @netdev: network interface device structure + * + * The set_multi entry point is called whenever the multicast address + * list or the network interface flags are updated. This routine is + * responsible for configuring the hardware for proper multicast, + * promiscuous mode, and all-multi behavior. + */ +static void atlx_set_multi(struct net_device *netdev) +{ + struct atlx_adapter *adapter = netdev_priv(netdev); + struct atlx_hw *hw = &adapter->hw; + struct netdev_hw_addr *ha; + u32 rctl; + u32 hash_value; + + /* Check for Promiscuous and All Multicast modes */ + rctl = ioread32(hw->hw_addr + REG_MAC_CTRL); + if (netdev->flags & IFF_PROMISC) + rctl |= MAC_CTRL_PROMIS_EN; + else if (netdev->flags & IFF_ALLMULTI) { + rctl |= MAC_CTRL_MC_ALL_EN; + rctl &= ~MAC_CTRL_PROMIS_EN; + } else + rctl &= ~(MAC_CTRL_PROMIS_EN | MAC_CTRL_MC_ALL_EN); + + iowrite32(rctl, hw->hw_addr + REG_MAC_CTRL); + + /* clear the old settings from the multicast hash table */ + iowrite32(0, hw->hw_addr + REG_RX_HASH_TABLE); + iowrite32(0, (hw->hw_addr + REG_RX_HASH_TABLE) + (1 << 2)); + + /* compute mc addresses' hash value ,and put it into hash table */ + netdev_for_each_mc_addr(ha, netdev) { + hash_value = atlx_hash_mc_addr(hw, ha->addr); + atlx_hash_set(hw, hash_value); + } +} + +/* + * atlx_irq_enable - Enable default interrupt generation settings + * @adapter: board private structure + */ +static void atlx_irq_enable(struct atlx_adapter *adapter) +{ + iowrite32(IMR_NORMAL_MASK, adapter->hw.hw_addr + REG_IMR); + ioread32(adapter->hw.hw_addr + REG_IMR); +} + +/* + * atlx_irq_disable - Mask off interrupt generation on the NIC + * @adapter: board private structure + */ +static void atlx_irq_disable(struct atlx_adapter *adapter) +{ + iowrite32(0, adapter->hw.hw_addr + REG_IMR); + ioread32(adapter->hw.hw_addr + REG_IMR); + synchronize_irq(adapter->pdev->irq); +} + +static void atlx_clear_phy_int(struct atlx_adapter *adapter) +{ + u16 phy_data; + unsigned long flags; + + spin_lock_irqsave(&adapter->lock, flags); + atlx_read_phy_reg(&adapter->hw, 19, &phy_data); + spin_unlock_irqrestore(&adapter->lock, flags); +} + +/* + * atlx_tx_timeout - Respond to a Tx Hang + * @netdev: network interface device structure + */ +static void atlx_tx_timeout(struct net_device *netdev) +{ + struct atlx_adapter *adapter = netdev_priv(netdev); + /* Do the reset outside of interrupt context */ + schedule_work(&adapter->tx_timeout_task); +} + +/* + * atlx_link_chg_task - deal with link change event Out of interrupt context + */ +static void atlx_link_chg_task(struct work_struct *work) +{ + struct atlx_adapter *adapter; + unsigned long flags; + + adapter = container_of(work, struct atlx_adapter, link_chg_task); + + spin_lock_irqsave(&adapter->lock, flags); + atlx_check_link(adapter); + spin_unlock_irqrestore(&adapter->lock, flags); +} + +static void __atlx_vlan_mode(u32 features, u32 *ctrl) +{ + if (features & NETIF_F_HW_VLAN_RX) { + /* enable VLAN tag insert/strip */ + *ctrl |= MAC_CTRL_RMV_VLAN; + } else { + /* disable VLAN tag insert/strip */ + *ctrl &= ~MAC_CTRL_RMV_VLAN; + } +} + +static void atlx_vlan_mode(struct net_device *netdev, u32 features) +{ + struct atlx_adapter *adapter = netdev_priv(netdev); + unsigned long flags; + u32 ctrl; + + spin_lock_irqsave(&adapter->lock, flags); + /* atlx_irq_disable(adapter); FIXME: confirm/remove */ + ctrl = ioread32(adapter->hw.hw_addr + REG_MAC_CTRL); + __atlx_vlan_mode(features, &ctrl); + iowrite32(ctrl, adapter->hw.hw_addr + REG_MAC_CTRL); + /* atlx_irq_enable(adapter); FIXME */ + spin_unlock_irqrestore(&adapter->lock, flags); +} + +static void atlx_restore_vlan(struct atlx_adapter *adapter) +{ + atlx_vlan_mode(adapter->netdev, adapter->netdev->features); +} + +static u32 atlx_fix_features(struct net_device *netdev, u32 features) +{ + /* + * Since there is no support for separate rx/tx vlan accel + * enable/disable make sure tx flag is always in same state as rx. + */ + if (features & NETIF_F_HW_VLAN_RX) + features |= NETIF_F_HW_VLAN_TX; + else + features &= ~NETIF_F_HW_VLAN_TX; + + return features; +} + +static int atlx_set_features(struct net_device *netdev, u32 features) +{ + u32 changed = netdev->features ^ features; + + if (changed & NETIF_F_HW_VLAN_RX) + atlx_vlan_mode(netdev, features); + + return 0; +} + +#endif /* ATLX_C */ diff --git a/drivers/net/ethernet/atheros/atlx/atlx.h b/drivers/net/ethernet/atheros/atlx/atlx.h new file mode 100644 index 000000000000..14054b75aa62 --- /dev/null +++ b/drivers/net/ethernet/atheros/atlx/atlx.h @@ -0,0 +1,503 @@ +/* atlx_hw.h -- common hardware definitions for Attansic network drivers + * + * Copyright(c) 2005 - 2006 Attansic Corporation. All rights reserved. + * Copyright(c) 2006 - 2007 Chris Snook + * Copyright(c) 2006 - 2008 Jay Cliburn + * Copyright(c) 2007 Atheros Corporation. All rights reserved. + * + * Derived from Intel e1000 driver + * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., 59 + * Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#ifndef ATLX_H +#define ATLX_H + +#include +#include + +#define ATLX_ERR_PHY 2 +#define ATLX_ERR_PHY_SPEED 7 +#define ATLX_ERR_PHY_RES 8 + +#define SPEED_0 0xffff +#define SPEED_10 10 +#define SPEED_100 100 +#define SPEED_1000 1000 +#define HALF_DUPLEX 1 +#define FULL_DUPLEX 2 + +#define MEDIA_TYPE_AUTO_SENSOR 0 + +/* register definitions */ +#define REG_PM_CTRLSTAT 0x44 + +#define REG_PCIE_CAP_LIST 0x58 + +#define REG_VPD_CAP 0x6C +#define VPD_CAP_ID_MASK 0xFF +#define VPD_CAP_ID_SHIFT 0 +#define VPD_CAP_NEXT_PTR_MASK 0xFF +#define VPD_CAP_NEXT_PTR_SHIFT 8 +#define VPD_CAP_VPD_ADDR_MASK 0x7FFF +#define VPD_CAP_VPD_ADDR_SHIFT 16 +#define VPD_CAP_VPD_FLAG 0x80000000 + +#define REG_VPD_DATA 0x70 + +#define REG_SPI_FLASH_CTRL 0x200 +#define SPI_FLASH_CTRL_STS_NON_RDY 0x1 +#define SPI_FLASH_CTRL_STS_WEN 0x2 +#define SPI_FLASH_CTRL_STS_WPEN 0x80 +#define SPI_FLASH_CTRL_DEV_STS_MASK 0xFF +#define SPI_FLASH_CTRL_DEV_STS_SHIFT 0 +#define SPI_FLASH_CTRL_INS_MASK 0x7 +#define SPI_FLASH_CTRL_INS_SHIFT 8 +#define SPI_FLASH_CTRL_START 0x800 +#define SPI_FLASH_CTRL_EN_VPD 0x2000 +#define SPI_FLASH_CTRL_LDSTART 0x8000 +#define SPI_FLASH_CTRL_CS_HI_MASK 0x3 +#define SPI_FLASH_CTRL_CS_HI_SHIFT 16 +#define SPI_FLASH_CTRL_CS_HOLD_MASK 0x3 +#define SPI_FLASH_CTRL_CS_HOLD_SHIFT 18 +#define SPI_FLASH_CTRL_CLK_LO_MASK 0x3 +#define SPI_FLASH_CTRL_CLK_LO_SHIFT 20 +#define SPI_FLASH_CTRL_CLK_HI_MASK 0x3 +#define SPI_FLASH_CTRL_CLK_HI_SHIFT 22 +#define SPI_FLASH_CTRL_CS_SETUP_MASK 0x3 +#define SPI_FLASH_CTRL_CS_SETUP_SHIFT 24 +#define SPI_FLASH_CTRL_EROM_PGSZ_MASK 0x3 +#define SPI_FLASH_CTRL_EROM_PGSZ_SHIFT 26 +#define SPI_FLASH_CTRL_WAIT_READY 0x10000000 + +#define REG_SPI_ADDR 0x204 + +#define REG_SPI_DATA 0x208 + +#define REG_SPI_FLASH_CONFIG 0x20C +#define SPI_FLASH_CONFIG_LD_ADDR_MASK 0xFFFFFF +#define SPI_FLASH_CONFIG_LD_ADDR_SHIFT 0 +#define SPI_FLASH_CONFIG_VPD_ADDR_MASK 0x3 +#define SPI_FLASH_CONFIG_VPD_ADDR_SHIFT 24 +#define SPI_FLASH_CONFIG_LD_EXIST 0x4000000 + +#define REG_SPI_FLASH_OP_PROGRAM 0x210 +#define REG_SPI_FLASH_OP_SC_ERASE 0x211 +#define REG_SPI_FLASH_OP_CHIP_ERASE 0x212 +#define REG_SPI_FLASH_OP_RDID 0x213 +#define REG_SPI_FLASH_OP_WREN 0x214 +#define REG_SPI_FLASH_OP_RDSR 0x215 +#define REG_SPI_FLASH_OP_WRSR 0x216 +#define REG_SPI_FLASH_OP_READ 0x217 + +#define REG_TWSI_CTRL 0x218 +#define TWSI_CTRL_LD_OFFSET_MASK 0xFF +#define TWSI_CTRL_LD_OFFSET_SHIFT 0 +#define TWSI_CTRL_LD_SLV_ADDR_MASK 0x7 +#define TWSI_CTRL_LD_SLV_ADDR_SHIFT 8 +#define TWSI_CTRL_SW_LDSTART 0x800 +#define TWSI_CTRL_HW_LDSTART 0x1000 +#define TWSI_CTRL_SMB_SLV_ADDR_MASK 0x7F +#define TWSI_CTRL_SMB_SLV_ADDR_SHIFT 15 +#define TWSI_CTRL_LD_EXIST 0x400000 +#define TWSI_CTRL_READ_FREQ_SEL_MASK 0x3 +#define TWSI_CTRL_READ_FREQ_SEL_SHIFT 23 +#define TWSI_CTRL_FREQ_SEL_100K 0 +#define TWSI_CTRL_FREQ_SEL_200K 1 +#define TWSI_CTRL_FREQ_SEL_300K 2 +#define TWSI_CTRL_FREQ_SEL_400K 3 +#define TWSI_CTRL_SMB_SLV_ADDR /* FIXME: define or remove */ +#define TWSI_CTRL_WRITE_FREQ_SEL_MASK 0x3 +#define TWSI_CTRL_WRITE_FREQ_SEL_SHIFT 24 + +#define REG_PCIE_DEV_MISC_CTRL 0x21C +#define PCIE_DEV_MISC_CTRL_EXT_PIPE 0x2 +#define PCIE_DEV_MISC_CTRL_RETRY_BUFDIS 0x1 +#define PCIE_DEV_MISC_CTRL_SPIROM_EXIST 0x4 +#define PCIE_DEV_MISC_CTRL_SERDES_ENDIAN 0x8 +#define PCIE_DEV_MISC_CTRL_SERDES_SEL_DIN 0x10 + +#define REG_PCIE_PHYMISC 0x1000 +#define PCIE_PHYMISC_FORCE_RCV_DET 0x4 + +#define REG_PCIE_DLL_TX_CTRL1 0x1104 +#define PCIE_DLL_TX_CTRL1_SEL_NOR_CLK 0x400 +#define PCIE_DLL_TX_CTRL1_DEF 0x568 + +#define REG_LTSSM_TEST_MODE 0x12FC +#define LTSSM_TEST_MODE_DEF 0x6500 + +/* Master Control Register */ +#define REG_MASTER_CTRL 0x1400 +#define MASTER_CTRL_SOFT_RST 0x1 +#define MASTER_CTRL_MTIMER_EN 0x2 +#define MASTER_CTRL_ITIMER_EN 0x4 +#define MASTER_CTRL_MANUAL_INT 0x8 +#define MASTER_CTRL_REV_NUM_SHIFT 16 +#define MASTER_CTRL_REV_NUM_MASK 0xFF +#define MASTER_CTRL_DEV_ID_SHIFT 24 +#define MASTER_CTRL_DEV_ID_MASK 0xFF + +/* Timer Initial Value Register */ +#define REG_MANUAL_TIMER_INIT 0x1404 + +/* IRQ Moderator Timer Initial Value Register */ +#define REG_IRQ_MODU_TIMER_INIT 0x1408 + +#define REG_PHY_ENABLE 0x140C + +/* IRQ Anti-Lost Timer Initial Value Register */ +#define REG_CMBDISDMA_TIMER 0x140E + +/* Block IDLE Status Register */ +#define REG_IDLE_STATUS 0x1410 + +/* MDIO Control Register */ +#define REG_MDIO_CTRL 0x1414 +#define MDIO_DATA_MASK 0xFFFF +#define MDIO_DATA_SHIFT 0 +#define MDIO_REG_ADDR_MASK 0x1F +#define MDIO_REG_ADDR_SHIFT 16 +#define MDIO_RW 0x200000 +#define MDIO_SUP_PREAMBLE 0x400000 +#define MDIO_START 0x800000 +#define MDIO_CLK_SEL_SHIFT 24 +#define MDIO_CLK_25_4 0 +#define MDIO_CLK_25_6 2 +#define MDIO_CLK_25_8 3 +#define MDIO_CLK_25_10 4 +#define MDIO_CLK_25_14 5 +#define MDIO_CLK_25_20 6 +#define MDIO_CLK_25_28 7 +#define MDIO_BUSY 0x8000000 + +/* MII PHY Status Register */ +#define REG_PHY_STATUS 0x1418 + +/* BIST Control and Status Register0 (for the Packet Memory) */ +#define REG_BIST0_CTRL 0x141C +#define BIST0_NOW 0x1 +#define BIST0_SRAM_FAIL 0x2 +#define BIST0_FUSE_FLAG 0x4 +#define REG_BIST1_CTRL 0x1420 +#define BIST1_NOW 0x1 +#define BIST1_SRAM_FAIL 0x2 +#define BIST1_FUSE_FLAG 0x4 + +/* SerDes Lock Detect Control and Status Register */ +#define REG_SERDES_LOCK 0x1424 +#define SERDES_LOCK_DETECT 1 +#define SERDES_LOCK_DETECT_EN 2 + +/* MAC Control Register */ +#define REG_MAC_CTRL 0x1480 +#define MAC_CTRL_TX_EN 1 +#define MAC_CTRL_RX_EN 2 +#define MAC_CTRL_TX_FLOW 4 +#define MAC_CTRL_RX_FLOW 8 +#define MAC_CTRL_LOOPBACK 0x10 +#define MAC_CTRL_DUPLX 0x20 +#define MAC_CTRL_ADD_CRC 0x40 +#define MAC_CTRL_PAD 0x80 +#define MAC_CTRL_LENCHK 0x100 +#define MAC_CTRL_HUGE_EN 0x200 +#define MAC_CTRL_PRMLEN_SHIFT 10 +#define MAC_CTRL_PRMLEN_MASK 0xF +#define MAC_CTRL_RMV_VLAN 0x4000 +#define MAC_CTRL_PROMIS_EN 0x8000 +#define MAC_CTRL_MC_ALL_EN 0x2000000 +#define MAC_CTRL_BC_EN 0x4000000 + +/* MAC IPG/IFG Control Register */ +#define REG_MAC_IPG_IFG 0x1484 +#define MAC_IPG_IFG_IPGT_SHIFT 0 +#define MAC_IPG_IFG_IPGT_MASK 0x7F +#define MAC_IPG_IFG_MIFG_SHIFT 8 +#define MAC_IPG_IFG_MIFG_MASK 0xFF +#define MAC_IPG_IFG_IPGR1_SHIFT 16 +#define MAC_IPG_IFG_IPGR1_MASK 0x7F +#define MAC_IPG_IFG_IPGR2_SHIFT 24 +#define MAC_IPG_IFG_IPGR2_MASK 0x7F + +/* MAC STATION ADDRESS */ +#define REG_MAC_STA_ADDR 0x1488 + +/* Hash table for multicast address */ +#define REG_RX_HASH_TABLE 0x1490 + +/* MAC Half-Duplex Control Register */ +#define REG_MAC_HALF_DUPLX_CTRL 0x1498 +#define MAC_HALF_DUPLX_CTRL_LCOL_SHIFT 0 +#define MAC_HALF_DUPLX_CTRL_LCOL_MASK 0x3FF +#define MAC_HALF_DUPLX_CTRL_RETRY_SHIFT 12 +#define MAC_HALF_DUPLX_CTRL_RETRY_MASK 0xF +#define MAC_HALF_DUPLX_CTRL_EXC_DEF_EN 0x10000 +#define MAC_HALF_DUPLX_CTRL_NO_BACK_C 0x20000 +#define MAC_HALF_DUPLX_CTRL_NO_BACK_P 0x40000 +#define MAC_HALF_DUPLX_CTRL_ABEBE 0x80000 +#define MAC_HALF_DUPLX_CTRL_ABEBT_SHIFT 20 +#define MAC_HALF_DUPLX_CTRL_ABEBT_MASK 0xF +#define MAC_HALF_DUPLX_CTRL_JAMIPG_SHIFT 24 +#define MAC_HALF_DUPLX_CTRL_JAMIPG_MASK 0xF + +/* Maximum Frame Length Control Register */ +#define REG_MTU 0x149C + +/* Wake-On-Lan control register */ +#define REG_WOL_CTRL 0x14A0 +#define WOL_PATTERN_EN 0x1 +#define WOL_PATTERN_PME_EN 0x2 +#define WOL_MAGIC_EN 0x4 +#define WOL_MAGIC_PME_EN 0x8 +#define WOL_LINK_CHG_EN 0x10 +#define WOL_LINK_CHG_PME_EN 0x20 +#define WOL_PATTERN_ST 0x100 +#define WOL_MAGIC_ST 0x200 +#define WOL_LINKCHG_ST 0x400 +#define WOL_PT0_EN 0x10000 +#define WOL_PT1_EN 0x20000 +#define WOL_PT2_EN 0x40000 +#define WOL_PT3_EN 0x80000 +#define WOL_PT4_EN 0x100000 +#define WOL_PT0_MATCH 0x1000000 +#define WOL_PT1_MATCH 0x2000000 +#define WOL_PT2_MATCH 0x4000000 +#define WOL_PT3_MATCH 0x8000000 +#define WOL_PT4_MATCH 0x10000000 + +/* Internal SRAM Partition Register, high 32 bits */ +#define REG_SRAM_RFD_ADDR 0x1500 + +/* Descriptor Control register, high 32 bits */ +#define REG_DESC_BASE_ADDR_HI 0x1540 + +/* Interrupt Status Register */ +#define REG_ISR 0x1600 +#define ISR_UR_DETECTED 0x1000000 +#define ISR_FERR_DETECTED 0x2000000 +#define ISR_NFERR_DETECTED 0x4000000 +#define ISR_CERR_DETECTED 0x8000000 +#define ISR_PHY_LINKDOWN 0x10000000 +#define ISR_DIS_INT 0x80000000 + +/* Interrupt Mask Register */ +#define REG_IMR 0x1604 + +#define REG_RFD_RRD_IDX 0x1800 +#define REG_TPD_IDX 0x1804 + +/* MII definitions */ + +/* PHY Common Register */ +#define MII_ATLX_CR 0x09 +#define MII_ATLX_SR 0x0A +#define MII_ATLX_ESR 0x0F +#define MII_ATLX_PSCR 0x10 +#define MII_ATLX_PSSR 0x11 + +/* PHY Control Register */ +#define MII_CR_SPEED_SELECT_MSB 0x0040 /* bits 6,13: 10=1000, 01=100, + * 00=10 + */ +#define MII_CR_COLL_TEST_ENABLE 0x0080 /* Collision test enable */ +#define MII_CR_FULL_DUPLEX 0x0100 /* FDX =1, half duplex =0 */ +#define MII_CR_RESTART_AUTO_NEG 0x0200 /* Restart auto negotiation */ +#define MII_CR_ISOLATE 0x0400 /* Isolate PHY from MII */ +#define MII_CR_POWER_DOWN 0x0800 /* Power down */ +#define MII_CR_AUTO_NEG_EN 0x1000 /* Auto Neg Enable */ +#define MII_CR_SPEED_SELECT_LSB 0x2000 /* bits 6,13: 10=1000, 01=100, + * 00=10 + */ +#define MII_CR_LOOPBACK 0x4000 /* 0 = normal, 1 = loopback */ +#define MII_CR_RESET 0x8000 /* 0 = normal, 1 = PHY reset */ +#define MII_CR_SPEED_MASK 0x2040 +#define MII_CR_SPEED_1000 0x0040 +#define MII_CR_SPEED_100 0x2000 +#define MII_CR_SPEED_10 0x0000 + +/* PHY Status Register */ +#define MII_SR_EXTENDED_CAPS 0x0001 /* Ext register capabilities */ +#define MII_SR_JABBER_DETECT 0x0002 /* Jabber Detected */ +#define MII_SR_LINK_STATUS 0x0004 /* Link Status 1 = link */ +#define MII_SR_AUTONEG_CAPS 0x0008 /* Auto Neg Capable */ +#define MII_SR_REMOTE_FAULT 0x0010 /* Remote Fault Detect */ +#define MII_SR_AUTONEG_COMPLETE 0x0020 /* Auto Neg Complete */ +#define MII_SR_PREAMBLE_SUPPRESS 0x0040 /* Preamble may be suppressed */ +#define MII_SR_EXTENDED_STATUS 0x0100 /* Ext stat info in Reg 0x0F */ +#define MII_SR_100T2_HD_CAPS 0x0200 /* 100T2 Half Duplex Capable */ +#define MII_SR_100T2_FD_CAPS 0x0400 /* 100T2 Full Duplex Capable */ +#define MII_SR_10T_HD_CAPS 0x0800 /* 10T Half Duplex Capable */ +#define MII_SR_10T_FD_CAPS 0x1000 /* 10T Full Duplex Capable */ +#define MII_SR_100X_HD_CAPS 0x2000 /* 100X Half Duplex Capable */ +#define MII_SR_100X_FD_CAPS 0x4000 /* 100X Full Duplex Capable */ +#define MII_SR_100T4_CAPS 0x8000 /* 100T4 Capable */ + +/* Link partner ability register */ +#define MII_LPA_SLCT 0x001f /* Same as advertise selector */ +#define MII_LPA_10HALF 0x0020 /* Can do 10mbps half-duplex */ +#define MII_LPA_10FULL 0x0040 /* Can do 10mbps full-duplex */ +#define MII_LPA_100HALF 0x0080 /* Can do 100mbps half-duplex */ +#define MII_LPA_100FULL 0x0100 /* Can do 100mbps full-duplex */ +#define MII_LPA_100BASE4 0x0200 /* 100BASE-T4 */ +#define MII_LPA_PAUSE 0x0400 /* PAUSE */ +#define MII_LPA_ASYPAUSE 0x0800 /* Asymmetrical PAUSE */ +#define MII_LPA_RFAULT 0x2000 /* Link partner faulted */ +#define MII_LPA_LPACK 0x4000 /* Link partner acked us */ +#define MII_LPA_NPAGE 0x8000 /* Next page bit */ + +/* Autoneg Advertisement Register */ +#define MII_AR_SELECTOR_FIELD 0x0001 /* IEEE 802.3 CSMA/CD */ +#define MII_AR_10T_HD_CAPS 0x0020 /* 10T Half Duplex Capable */ +#define MII_AR_10T_FD_CAPS 0x0040 /* 10T Full Duplex Capable */ +#define MII_AR_100TX_HD_CAPS 0x0080 /* 100TX Half Duplex Capable */ +#define MII_AR_100TX_FD_CAPS 0x0100 /* 100TX Full Duplex Capable */ +#define MII_AR_100T4_CAPS 0x0200 /* 100T4 Capable */ +#define MII_AR_PAUSE 0x0400 /* Pause operation desired */ +#define MII_AR_ASM_DIR 0x0800 /* Asymmetric Pause Dir bit */ +#define MII_AR_REMOTE_FAULT 0x2000 /* Remote Fault detected */ +#define MII_AR_NEXT_PAGE 0x8000 /* Next Page ability support */ +#define MII_AR_SPEED_MASK 0x01E0 +#define MII_AR_DEFAULT_CAP_MASK 0x0DE0 + +/* 1000BASE-T Control Register */ +#define MII_ATLX_CR_1000T_HD_CAPS 0x0100 /* Adv 1000T HD cap */ +#define MII_ATLX_CR_1000T_FD_CAPS 0x0200 /* Adv 1000T FD cap */ +#define MII_ATLX_CR_1000T_REPEATER_DTE 0x0400 /* 1=Repeater/switch device, + * 0=DTE device */ +#define MII_ATLX_CR_1000T_MS_VALUE 0x0800 /* 1=Config PHY as Master, + * 0=Configure PHY as Slave */ +#define MII_ATLX_CR_1000T_MS_ENABLE 0x1000 /* 1=Man Master/Slave config, + * 0=Auto Master/Slave config + */ +#define MII_ATLX_CR_1000T_TEST_MODE_NORMAL 0x0000 /* Normal Operation */ +#define MII_ATLX_CR_1000T_TEST_MODE_1 0x2000 /* Transmit Waveform test */ +#define MII_ATLX_CR_1000T_TEST_MODE_2 0x4000 /* Master Xmit Jitter test */ +#define MII_ATLX_CR_1000T_TEST_MODE_3 0x6000 /* Slave Xmit Jitter test */ +#define MII_ATLX_CR_1000T_TEST_MODE_4 0x8000 /* Xmitter Distortion test */ +#define MII_ATLX_CR_1000T_SPEED_MASK 0x0300 +#define MII_ATLX_CR_1000T_DEFAULT_CAP_MASK 0x0300 + +/* 1000BASE-T Status Register */ +#define MII_ATLX_SR_1000T_LP_HD_CAPS 0x0400 /* LP is 1000T HD capable */ +#define MII_ATLX_SR_1000T_LP_FD_CAPS 0x0800 /* LP is 1000T FD capable */ +#define MII_ATLX_SR_1000T_REMOTE_RX_STATUS 0x1000 /* Remote receiver OK */ +#define MII_ATLX_SR_1000T_LOCAL_RX_STATUS 0x2000 /* Local receiver OK */ +#define MII_ATLX_SR_1000T_MS_CONFIG_RES 0x4000 /* 1=Local TX is Master + * 0=Slave + */ +#define MII_ATLX_SR_1000T_MS_CONFIG_FAULT 0x8000 /* Master/Slave config + * fault */ +#define MII_ATLX_SR_1000T_REMOTE_RX_STATUS_SHIFT 12 +#define MII_ATLX_SR_1000T_LOCAL_RX_STATUS_SHIFT 13 + +/* Extended Status Register */ +#define MII_ATLX_ESR_1000T_HD_CAPS 0x1000 /* 1000T HD capable */ +#define MII_ATLX_ESR_1000T_FD_CAPS 0x2000 /* 1000T FD capable */ +#define MII_ATLX_ESR_1000X_HD_CAPS 0x4000 /* 1000X HD capable */ +#define MII_ATLX_ESR_1000X_FD_CAPS 0x8000 /* 1000X FD capable */ + +/* ATLX PHY Specific Control Register */ +#define MII_ATLX_PSCR_JABBER_DISABLE 0x0001 /* 1=Jabber Func disabled */ +#define MII_ATLX_PSCR_POLARITY_REVERSAL 0x0002 /* 1=Polarity Reversal enbld */ +#define MII_ATLX_PSCR_SQE_TEST 0x0004 /* 1=SQE Test enabled */ +#define MII_ATLX_PSCR_MAC_POWERDOWN 0x0008 +#define MII_ATLX_PSCR_CLK125_DISABLE 0x0010 /* 1=CLK125 low + * 0=CLK125 toggling + */ +#define MII_ATLX_PSCR_MDI_MANUAL_MODE 0x0000 /* MDI Crossover Mode bits 6:5, + * Manual MDI configuration + */ +#define MII_ATLX_PSCR_MDIX_MANUAL_MODE 0x0020 /* Manual MDIX configuration */ +#define MII_ATLX_PSCR_AUTO_X_1000T 0x0040 /* 1000BASE-T: Auto crossover + * 100BASE-TX/10BASE-T: MDI + * Mode */ +#define MII_ATLX_PSCR_AUTO_X_MODE 0x0060 /* Auto crossover enabled + * all speeds. + */ +#define MII_ATLX_PSCR_10BT_EXT_DIST_ENABLE 0x0080 /* 1=Enable Extended + * 10BASE-T distance + * (Lower 10BASE-T RX + * Threshold) + * 0=Normal 10BASE-T RX + * Threshold + */ +#define MII_ATLX_PSCR_MII_5BIT_ENABLE 0x0100 /* 1=5-Bit interface in + * 100BASE-TX + * 0=MII interface in + * 100BASE-TX + */ +#define MII_ATLX_PSCR_SCRAMBLER_DISABLE 0x0200 /* 1=Scrambler dsbl */ +#define MII_ATLX_PSCR_FORCE_LINK_GOOD 0x0400 /* 1=Force link good */ +#define MII_ATLX_PSCR_ASSERT_CRS_ON_TX 0x0800 /* 1=Assert CRS on Transmit */ +#define MII_ATLX_PSCR_POLARITY_REVERSAL_SHIFT 1 +#define MII_ATLX_PSCR_AUTO_X_MODE_SHIFT 5 +#define MII_ATLX_PSCR_10BT_EXT_DIST_ENABLE_SHIFT 7 + +/* ATLX PHY Specific Status Register */ +#define MII_ATLX_PSSR_SPD_DPLX_RESOLVED 0x0800 /* 1=Speed & Duplex resolved */ +#define MII_ATLX_PSSR_DPLX 0x2000 /* 1=Duplex 0=Half Duplex */ +#define MII_ATLX_PSSR_SPEED 0xC000 /* Speed, bits 14:15 */ +#define MII_ATLX_PSSR_10MBS 0x0000 /* 00=10Mbs */ +#define MII_ATLX_PSSR_100MBS 0x4000 /* 01=100Mbs */ +#define MII_ATLX_PSSR_1000MBS 0x8000 /* 10=1000Mbs */ + +#define MII_DBG_ADDR 0x1D +#define MII_DBG_DATA 0x1E + +/* PCI Command Register Bit Definitions */ +#define PCI_REG_COMMAND 0x04 /* PCI Command Register */ +#define CMD_IO_SPACE 0x0001 +#define CMD_MEMORY_SPACE 0x0002 +#define CMD_BUS_MASTER 0x0004 + +/* Wake Up Filter Control */ +#define ATLX_WUFC_LNKC 0x00000001 /* Link Status Change Wakeup Enable */ +#define ATLX_WUFC_MAG 0x00000002 /* Magic Packet Wakeup Enable */ +#define ATLX_WUFC_EX 0x00000004 /* Directed Exact Wakeup Enable */ +#define ATLX_WUFC_MC 0x00000008 /* Multicast Wakeup Enable */ +#define ATLX_WUFC_BC 0x00000010 /* Broadcast Wakeup Enable */ + +#define ADVERTISE_10_HALF 0x0001 +#define ADVERTISE_10_FULL 0x0002 +#define ADVERTISE_100_HALF 0x0004 +#define ADVERTISE_100_FULL 0x0008 +#define ADVERTISE_1000_HALF 0x0010 +#define ADVERTISE_1000_FULL 0x0020 +#define AUTONEG_ADVERTISE_10_100_ALL 0x000F /* All 10/100 speeds */ +#define AUTONEG_ADVERTISE_10_ALL 0x0003 /* 10Mbps Full & Half speeds */ + +#define PHY_AUTO_NEG_TIME 45 /* 4.5 Seconds */ +#define PHY_FORCE_TIME 20 /* 2.0 Seconds */ + +/* For checksumming, the sum of all words in the EEPROM should equal 0xBABA */ +#define EEPROM_SUM 0xBABA +#define NODE_ADDRESS_SIZE 6 + +struct atlx_spi_flash_dev { + const char *manu_name; /* manufacturer id */ + /* op-code */ + u8 cmd_wrsr; + u8 cmd_read; + u8 cmd_program; + u8 cmd_wren; + u8 cmd_wrdi; + u8 cmd_rdsr; + u8 cmd_rdid; + u8 cmd_sector_erase; + u8 cmd_chip_erase; +}; + +#endif /* ATLX_H */