S: Supported
INTEL PRO/10GbE SUPPORT
-P: Jeff Kirsher
-M: jeffrey.t.kirsher@intel.com
P: Ayyappan Veeraiyan
M: ayyappan.veeraiyan@intel.com
-P: John Ronciak
-M: john.ronciak@intel.com
-P: Jesse Brandeburg
-M: jesse.brandeburg@intel.com
P: Auke Kok
M: auke-jan.h.kok@intel.com
+P: Jesse Brandeburg
+M: jesse.brandeburg@intel.com
+P: John Ronciak
+M: john.ronciak@intel.com
L: e1000-devel@lists.sourceforge.net
W: http://sourceforge.net/projects/e1000/
S: Supported
To compile the driver as a module, choose M here. The module
will be called ehea.
+config IXGBE
+ tristate "Intel(R) 10GbE PCI Express adapters support"
+ depends on PCI
+ ---help---
+ This driver supports Intel(R) 10GbE PCI Express family of
+ adapters. For more information on how to identify your adapter, go
+ to the Adapter & Driver ID Guide at:
+
+ <http://support.intel.com/support/network/adapter/pro100/21397.htm>
+
+ For general information and support, go to the Intel support
+ website at:
+
+ <http://support.intel.com>
+
+ More specific information on configuring the driver is in
+ <file:Documentation/networking/ixgbe.txt>.
+
+ To compile this driver as a module, choose M here and read
+ <file:Documentation/networking/net-modules.txt>. The module
+ will be called ixgbe.
+
config IXGB
tristate "Intel(R) PRO/10GbE support"
depends on PCI
---help---
- This driver supports Intel(R) PRO/10GbE family of
- adapters. For more information on how to identify your adapter, go
+ This driver supports Intel(R) PRO/10GbE family of adapters for
+ PCI-X type cards. For PCI-E type cards, use the "ixgbe" driver
+ instead. For more information on how to identify your adapter, go
to the Adapter & Driver ID Guide at:
<http://support.intel.com/support/network/adapter/pro100/21397.htm>
obj-$(CONFIG_E1000) += e1000/
obj-$(CONFIG_E1000E) += e1000e/
obj-$(CONFIG_IBM_EMAC) += ibm_emac/
+obj-$(CONFIG_IXGBE) += ixgbe/
obj-$(CONFIG_IXGB) += ixgb/
obj-$(CONFIG_CHELSIO_T1) += chelsio/
obj-$(CONFIG_CHELSIO_T3) += cxgb3/
--- /dev/null
+################################################################################
+#
+# Intel 10 Gigabit PCI Express Linux driver
+# Copyright(c) 1999 - 2007 Intel Corporation.
+#
+# This program is free software; you can redistribute it and/or modify it
+# under the terms and conditions of the GNU General Public License,
+# version 2, as published by the Free Software Foundation.
+#
+# This program is distributed in the hope it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+# more details.
+#
+# You should have received a copy of the GNU General Public License along with
+# this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+#
+# The full GNU General Public License is included in this distribution in
+# the file called "COPYING".
+#
+# Contact Information:
+# Linux NICS <linux.nics@intel.com>
+# e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
+# Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
+#
+################################################################################
+
+#
+# Makefile for the Intel(R) 10GbE PCI Express ethernet driver
+#
+
+obj-$(CONFIG_IXGBE) += ixgbe.o
+
+ixgbe-objs := ixgbe_main.o ixgbe_common.o ixgbe_ethtool.o \
+ ixgbe_82598.o ixgbe_phy.o
--- /dev/null
+/*******************************************************************************
+
+ Intel 10 Gigabit PCI Express Linux driver
+ Copyright(c) 1999 - 2007 Intel Corporation.
+
+ This program is free software; you can redistribute it and/or modify it
+ under the terms and conditions of the GNU General Public License,
+ version 2, as published by the Free Software Foundation.
+
+ This program is distributed in the hope 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.,
+ 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+
+ The full GNU General Public License is included in this distribution in
+ the file called "COPYING".
+
+ Contact Information:
+ Linux NICS <linux.nics@intel.com>
+ e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
+ Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
+
+*******************************************************************************/
+
+#ifndef _IXGBE_H_
+#define _IXGBE_H_
+
+#include <linux/types.h>
+#include <linux/pci.h>
+#include <linux/netdevice.h>
+
+#include "ixgbe_type.h"
+#include "ixgbe_common.h"
+
+
+#define IXGBE_ERR(args...) printk(KERN_ERR "ixgbe: " args)
+
+#define PFX "ixgbe: "
+#define DPRINTK(nlevel, klevel, fmt, args...) \
+ ((void)((NETIF_MSG_##nlevel & adapter->msg_enable) && \
+ printk(KERN_##klevel PFX "%s: %s: " fmt, adapter->netdev->name, \
+ __FUNCTION__ , ## args)))
+
+/* TX/RX descriptor defines */
+#define IXGBE_DEFAULT_TXD 1024
+#define IXGBE_MAX_TXD 4096
+#define IXGBE_MIN_TXD 64
+
+#define IXGBE_DEFAULT_RXD 1024
+#define IXGBE_MAX_RXD 4096
+#define IXGBE_MIN_RXD 64
+
+#define IXGBE_DEFAULT_RXQ 1
+#define IXGBE_MAX_RXQ 1
+#define IXGBE_MIN_RXQ 1
+
+#define IXGBE_DEFAULT_ITR_RX_USECS 125 /* 8k irqs/sec */
+#define IXGBE_DEFAULT_ITR_TX_USECS 250 /* 4k irqs/sec */
+#define IXGBE_MIN_ITR_USECS 100 /* 500k irqs/sec */
+#define IXGBE_MAX_ITR_USECS 10000 /* 100 irqs/sec */
+
+/* flow control */
+#define IXGBE_DEFAULT_FCRTL 0x10000
+#define IXGBE_MIN_FCRTL 0
+#define IXGBE_MAX_FCRTL 0x7FF80
+#define IXGBE_DEFAULT_FCRTH 0x20000
+#define IXGBE_MIN_FCRTH 0
+#define IXGBE_MAX_FCRTH 0x7FFF0
+#define IXGBE_DEFAULT_FCPAUSE 0x6800 /* may be too long */
+#define IXGBE_MIN_FCPAUSE 0
+#define IXGBE_MAX_FCPAUSE 0xFFFF
+
+/* Supported Rx Buffer Sizes */
+#define IXGBE_RXBUFFER_64 64 /* Used for packet split */
+#define IXGBE_RXBUFFER_128 128 /* Used for packet split */
+#define IXGBE_RXBUFFER_256 256 /* Used for packet split */
+#define IXGBE_RXBUFFER_2048 2048
+
+#define IXGBE_RX_HDR_SIZE IXGBE_RXBUFFER_256
+
+#define MAXIMUM_ETHERNET_VLAN_SIZE (ETH_FRAME_LEN + ETH_FCS_LEN + VLAN_HLEN)
+
+/* How many Tx Descriptors do we need to call netif_wake_queue? */
+#define IXGBE_TX_QUEUE_WAKE 16
+
+/* How many Rx Buffers do we bundle into one write to the hardware ? */
+#define IXGBE_RX_BUFFER_WRITE 16 /* Must be power of 2 */
+
+#define IXGBE_TX_FLAGS_CSUM (u32)(1)
+#define IXGBE_TX_FLAGS_VLAN (u32)(1 << 1)
+#define IXGBE_TX_FLAGS_TSO (u32)(1 << 2)
+#define IXGBE_TX_FLAGS_IPV4 (u32)(1 << 3)
+#define IXGBE_TX_FLAGS_VLAN_MASK 0xffff0000
+#define IXGBE_TX_FLAGS_VLAN_SHIFT 16
+
+/* wrapper around a pointer to a socket buffer,
+ * so a DMA handle can be stored along with the buffer */
+struct ixgbe_tx_buffer {
+ struct sk_buff *skb;
+ dma_addr_t dma;
+ unsigned long time_stamp;
+ u16 length;
+ u16 next_to_watch;
+};
+
+struct ixgbe_rx_buffer {
+ struct sk_buff *skb;
+ dma_addr_t dma;
+ struct page *page;
+ dma_addr_t page_dma;
+};
+
+struct ixgbe_queue_stats {
+ u64 packets;
+ u64 bytes;
+};
+
+struct ixgbe_ring {
+ struct ixgbe_adapter *adapter; /* backlink */
+ void *desc; /* descriptor ring memory */
+ dma_addr_t dma; /* phys. address of descriptor ring */
+ unsigned int size; /* length in bytes */
+ unsigned int count; /* amount of descriptors */
+ unsigned int next_to_use;
+ unsigned int next_to_clean;
+
+ union {
+ struct ixgbe_tx_buffer *tx_buffer_info;
+ struct ixgbe_rx_buffer *rx_buffer_info;
+ };
+
+ u16 head;
+ u16 tail;
+
+ /* To protect race between sender and clean_tx_irq */
+ spinlock_t tx_lock;
+
+ struct ixgbe_queue_stats stats;
+
+ u32 eims_value;
+ u16 itr_register;
+
+ char name[IFNAMSIZ + 5];
+ u16 work_limit; /* max work per interrupt */
+};
+
+/* Helper macros to switch between ints/sec and what the register uses.
+ * And yes, it's the same math going both ways.
+ */
+#define EITR_INTS_PER_SEC_TO_REG(_eitr) \
+ ((_eitr) ? (1000000000 / ((_eitr) * 256)) : 0)
+#define EITR_REG_TO_INTS_PER_SEC EITR_INTS_PER_SEC_TO_REG
+
+#define IXGBE_DESC_UNUSED(R) \
+ ((((R)->next_to_clean > (R)->next_to_use) ? 0 : (R)->count) + \
+ (R)->next_to_clean - (R)->next_to_use - 1)
+
+#define IXGBE_RX_DESC_ADV(R, i) \
+ (&(((union ixgbe_adv_rx_desc *)((R).desc))[i]))
+#define IXGBE_TX_DESC_ADV(R, i) \
+ (&(((union ixgbe_adv_tx_desc *)((R).desc))[i]))
+#define IXGBE_TX_CTXTDESC_ADV(R, i) \
+ (&(((struct ixgbe_adv_tx_context_desc *)((R).desc))[i]))
+
+#define IXGBE_MAX_JUMBO_FRAME_SIZE 16128
+
+/* board specific private data structure */
+struct ixgbe_adapter {
+ struct timer_list watchdog_timer;
+ struct vlan_group *vlgrp;
+ u16 bd_number;
+ u16 rx_buf_len;
+ atomic_t irq_sem;
+ struct work_struct reset_task;
+
+ /* TX */
+ struct ixgbe_ring *tx_ring; /* One per active queue */
+ struct napi_struct napi;
+ u64 restart_queue;
+ u64 lsc_int;
+ u64 hw_tso_ctxt;
+ u64 hw_tso6_ctxt;
+ u32 tx_timeout_count;
+ bool detect_tx_hung;
+
+ /* RX */
+ struct ixgbe_ring *rx_ring; /* One per active queue */
+ u64 hw_csum_tx_good;
+ u64 hw_csum_rx_error;
+ u64 hw_csum_rx_good;
+ u64 non_eop_descs;
+ int num_tx_queues;
+ int num_rx_queues;
+ struct msix_entry *msix_entries;
+
+ u64 rx_hdr_split;
+ u32 alloc_rx_page_failed;
+ u32 alloc_rx_buff_failed;
+
+ u32 flags;
+#define IXGBE_FLAG_RX_CSUM_ENABLED (u32)(1)
+#define IXGBE_FLAG_MSI_ENABLED (u32)(1 << 1)
+#define IXGBE_FLAG_MSIX_ENABLED (u32)(1 << 2)
+#define IXGBE_FLAG_RX_PS_ENABLED (u32)(1 << 3)
+#define IXGBE_FLAG_IN_NETPOLL (u32)(1 << 4)
+
+ /* Interrupt Throttle Rate */
+ u32 rx_eitr;
+ u32 tx_eitr;
+
+ /* OS defined structs */
+ struct net_device *netdev;
+ struct pci_dev *pdev;
+ struct net_device_stats net_stats;
+
+ /* structs defined in ixgbe_hw.h */
+ struct ixgbe_hw hw;
+ u16 msg_enable;
+ struct ixgbe_hw_stats stats;
+ char lsc_name[IFNAMSIZ + 5];
+
+ unsigned long state;
+ u64 tx_busy;
+};
+
+enum ixbge_state_t {
+ __IXGBE_TESTING,
+ __IXGBE_RESETTING,
+ __IXGBE_DOWN
+};
+
+enum ixgbe_boards {
+ board_82598AF,
+ board_82598EB,
+ board_82598AT,
+};
+
+extern struct ixgbe_info ixgbe_82598AF_info;
+extern struct ixgbe_info ixgbe_82598EB_info;
+extern struct ixgbe_info ixgbe_82598AT_info;
+
+extern char ixgbe_driver_name[];
+extern char ixgbe_driver_version[];
+
+extern int ixgbe_up(struct ixgbe_adapter *adapter);
+extern void ixgbe_down(struct ixgbe_adapter *adapter);
+extern void ixgbe_reset(struct ixgbe_adapter *adapter);
+extern void ixgbe_update_stats(struct ixgbe_adapter *adapter);
+extern void ixgbe_set_ethtool_ops(struct net_device *netdev);
+extern int ixgbe_setup_rx_resources(struct ixgbe_adapter *adapter,
+ struct ixgbe_ring *rxdr);
+extern int ixgbe_setup_tx_resources(struct ixgbe_adapter *adapter,
+ struct ixgbe_ring *txdr);
+
+#endif /* _IXGBE_H_ */
--- /dev/null
+/*******************************************************************************
+
+ Intel 10 Gigabit PCI Express Linux driver
+ Copyright(c) 1999 - 2007 Intel Corporation.
+
+ This program is free software; you can redistribute it and/or modify it
+ under the terms and conditions of the GNU General Public License,
+ version 2, as published by the Free Software Foundation.
+
+ This program is distributed in the hope 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.,
+ 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+
+ The full GNU General Public License is included in this distribution in
+ the file called "COPYING".
+
+ Contact Information:
+ Linux NICS <linux.nics@intel.com>
+ e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
+ Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
+
+*******************************************************************************/
+
+#include <linux/pci.h>
+#include <linux/delay.h>
+#include <linux/sched.h>
+
+#include "ixgbe_type.h"
+#include "ixgbe_common.h"
+#include "ixgbe_phy.h"
+
+#define IXGBE_82598_MAX_TX_QUEUES 32
+#define IXGBE_82598_MAX_RX_QUEUES 64
+#define IXGBE_82598_RAR_ENTRIES 16
+
+static s32 ixgbe_get_invariants_82598(struct ixgbe_hw *hw);
+static s32 ixgbe_get_link_settings_82598(struct ixgbe_hw *hw, u32 *speed,
+ bool *autoneg);
+static s32 ixgbe_get_copper_link_settings_82598(struct ixgbe_hw *hw,
+ u32 *speed, bool *autoneg);
+static enum ixgbe_media_type ixgbe_get_media_type_82598(struct ixgbe_hw *hw);
+static s32 ixgbe_setup_mac_link_82598(struct ixgbe_hw *hw);
+static s32 ixgbe_check_mac_link_82598(struct ixgbe_hw *hw, u32 *speed,
+ bool *link_up);
+static s32 ixgbe_setup_mac_link_speed_82598(struct ixgbe_hw *hw, u32 speed,
+ bool autoneg,
+ bool autoneg_wait_to_complete);
+static s32 ixgbe_setup_copper_link_82598(struct ixgbe_hw *hw);
+static s32 ixgbe_check_copper_link_82598(struct ixgbe_hw *hw, u32 *speed,
+ bool *link_up);
+static s32 ixgbe_setup_copper_link_speed_82598(struct ixgbe_hw *hw, u32 speed,
+ bool autoneg,
+ bool autoneg_wait_to_complete);
+static s32 ixgbe_reset_hw_82598(struct ixgbe_hw *hw);
+
+
+static s32 ixgbe_get_invariants_82598(struct ixgbe_hw *hw)
+{
+ hw->mac.num_rx_queues = IXGBE_82598_MAX_TX_QUEUES;
+ hw->mac.num_tx_queues = IXGBE_82598_MAX_RX_QUEUES;
+ hw->mac.num_rx_addrs = IXGBE_82598_RAR_ENTRIES;
+
+ return 0;
+}
+
+/**
+ * ixgbe_get_link_settings_82598 - Determines default link settings
+ * @hw: pointer to hardware structure
+ * @speed: pointer to link speed
+ * @autoneg: boolean auto-negotiation value
+ *
+ * Determines the default link settings by reading the AUTOC register.
+ **/
+static s32 ixgbe_get_link_settings_82598(struct ixgbe_hw *hw, u32 *speed,
+ bool *autoneg)
+{
+ s32 status = 0;
+ s32 autoc_reg;
+
+ autoc_reg = IXGBE_READ_REG(hw, IXGBE_AUTOC);
+
+ if (hw->mac.link_settings_loaded) {
+ autoc_reg &= ~IXGBE_AUTOC_LMS_ATTACH_TYPE;
+ autoc_reg &= ~IXGBE_AUTOC_LMS_MASK;
+ autoc_reg |= hw->mac.link_attach_type;
+ autoc_reg |= hw->mac.link_mode_select;
+ }
+
+ switch (autoc_reg & IXGBE_AUTOC_LMS_MASK) {
+ case IXGBE_AUTOC_LMS_1G_LINK_NO_AN:
+ *speed = IXGBE_LINK_SPEED_1GB_FULL;
+ *autoneg = false;
+ break;
+
+ case IXGBE_AUTOC_LMS_10G_LINK_NO_AN:
+ *speed = IXGBE_LINK_SPEED_10GB_FULL;
+ *autoneg = false;
+ break;
+
+ case IXGBE_AUTOC_LMS_1G_AN:
+ *speed = IXGBE_LINK_SPEED_1GB_FULL;
+ *autoneg = true;
+ break;
+
+ case IXGBE_AUTOC_LMS_KX4_AN:
+ case IXGBE_AUTOC_LMS_KX4_AN_1G_AN:
+ *speed = IXGBE_LINK_SPEED_UNKNOWN;
+ if (autoc_reg & IXGBE_AUTOC_KX4_SUPP)
+ *speed |= IXGBE_LINK_SPEED_10GB_FULL;
+ if (autoc_reg & IXGBE_AUTOC_KX_SUPP)
+ *speed |= IXGBE_LINK_SPEED_1GB_FULL;
+ *autoneg = true;
+ break;
+
+ default:
+ status = IXGBE_ERR_LINK_SETUP;
+ break;
+ }
+
+ return status;
+}
+
+/**
+ * ixgbe_get_copper_link_settings_82598 - Determines default link settings
+ * @hw: pointer to hardware structure
+ * @speed: pointer to link speed
+ * @autoneg: boolean auto-negotiation value
+ *
+ * Determines the default link settings by reading the AUTOC register.
+ **/
+static s32 ixgbe_get_copper_link_settings_82598(struct ixgbe_hw *hw,
+ u32 *speed, bool *autoneg)
+{
+ s32 status = IXGBE_ERR_LINK_SETUP;
+ u16 speed_ability;
+
+ *speed = 0;
+ *autoneg = true;
+
+ status = ixgbe_read_phy_reg(hw, IXGBE_MDIO_PHY_SPEED_ABILITY,
+ IXGBE_MDIO_PMA_PMD_DEV_TYPE,
+ &speed_ability);
+
+ if (status == 0) {
+ if (speed_ability & IXGBE_MDIO_PHY_SPEED_10G)
+ *speed |= IXGBE_LINK_SPEED_10GB_FULL;
+ if (speed_ability & IXGBE_MDIO_PHY_SPEED_1G)
+ *speed |= IXGBE_LINK_SPEED_1GB_FULL;
+ }
+
+ return status;
+}
+
+/**
+ * ixgbe_get_media_type_82598 - Determines media type
+ * @hw: pointer to hardware structure
+ *
+ * Returns the media type (fiber, copper, backplane)
+ **/
+static enum ixgbe_media_type ixgbe_get_media_type_82598(struct ixgbe_hw *hw)
+{
+ enum ixgbe_media_type media_type;
+
+ /* Media type for I82598 is based on device ID */
+ switch (hw->device_id) {
+ case IXGBE_DEV_ID_82598AF_DUAL_PORT:
+ case IXGBE_DEV_ID_82598AF_SINGLE_PORT:
+ case IXGBE_DEV_ID_82598EB_CX4:
+ media_type = ixgbe_media_type_fiber;
+ break;
+ case IXGBE_DEV_ID_82598AT_DUAL_PORT:
+ media_type = ixgbe_media_type_copper;
+ break;
+ default:
+ media_type = ixgbe_media_type_unknown;
+ break;
+ }
+
+ return media_type;
+}
+
+/**
+ * ixgbe_setup_mac_link_82598 - Configures MAC link settings
+ * @hw: pointer to hardware structure
+ *
+ * Configures link settings based on values in the ixgbe_hw struct.
+ * Restarts the link. Performs autonegotiation if needed.
+ **/
+static s32 ixgbe_setup_mac_link_82598(struct ixgbe_hw *hw)
+{
+ u32 autoc_reg;
+ u32 links_reg;
+ u32 i;
+ s32 status = 0;
+
+ autoc_reg = IXGBE_READ_REG(hw, IXGBE_AUTOC);
+
+ if (hw->mac.link_settings_loaded) {
+ autoc_reg &= ~IXGBE_AUTOC_LMS_ATTACH_TYPE;
+ autoc_reg &= ~IXGBE_AUTOC_LMS_MASK;
+ autoc_reg |= hw->mac.link_attach_type;
+ autoc_reg |= hw->mac.link_mode_select;
+
+ IXGBE_WRITE_REG(hw, IXGBE_AUTOC, autoc_reg);
+ msleep(50);
+ }
+
+ /* Restart link */
+ autoc_reg |= IXGBE_AUTOC_AN_RESTART;
+ IXGBE_WRITE_REG(hw, IXGBE_AUTOC, autoc_reg);
+
+ /* Only poll for autoneg to complete if specified to do so */
+ if (hw->phy.autoneg_wait_to_complete) {
+ if (hw->mac.link_mode_select == IXGBE_AUTOC_LMS_KX4_AN ||
+ hw->mac.link_mode_select == IXGBE_AUTOC_LMS_KX4_AN_1G_AN) {
+ links_reg = 0; /* Just in case Autoneg time = 0 */
+ for (i = 0; i < IXGBE_AUTO_NEG_TIME; i++) {
+ links_reg = IXGBE_READ_REG(hw, IXGBE_LINKS);
+ if (links_reg & IXGBE_LINKS_KX_AN_COMP)
+ break;
+ msleep(100);
+ }
+ if (!(links_reg & IXGBE_LINKS_KX_AN_COMP)) {
+ status = IXGBE_ERR_AUTONEG_NOT_COMPLETE;
+ hw_dbg(hw,
+ "Autonegotiation did not complete.\n");
+ }
+ }
+ }
+
+ /*
+ * We want to save off the original Flow Control configuration just in
+ * case we get disconnected and then reconnected into a different hub
+ * or switch with different Flow Control capabilities.
+ */
+ hw->fc.type = hw->fc.original_type;
+ ixgbe_setup_fc(hw, 0);
+
+ /* Add delay to filter out noises during initial link setup */
+ msleep(50);
+
+ return status;
+}
+
+/**
+ * ixgbe_check_mac_link_82598 - Get link/speed status
+ * @hw: pointer to hardware structure
+ * @speed: pointer to link speed
+ * @link_up: true is link is up, false otherwise
+ *
+ * Reads the links register to determine if link is up and the current speed
+ **/
+static s32 ixgbe_check_mac_link_82598(struct ixgbe_hw *hw, u32 *speed,
+ bool *link_up)
+{
+ u32 links_reg;
+
+ links_reg = IXGBE_READ_REG(hw, IXGBE_LINKS);
+
+ if (links_reg & IXGBE_LINKS_UP)
+ *link_up = true;
+ else
+ *link_up = false;
+
+ if (links_reg & IXGBE_LINKS_SPEED)
+ *speed = IXGBE_LINK_SPEED_10GB_FULL;
+ else
+ *speed = IXGBE_LINK_SPEED_1GB_FULL;
+
+ return 0;
+}
+
+/**
+ * ixgbe_setup_mac_link_speed_82598 - Set MAC link speed
+ * @hw: pointer to hardware structure
+ * @speed: new link speed
+ * @autoneg: true if auto-negotiation enabled
+ * @autoneg_wait_to_complete: true if waiting is needed to complete
+ *
+ * Set the link speed in the AUTOC register and restarts link.
+ **/
+static s32 ixgbe_setup_mac_link_speed_82598(struct ixgbe_hw *hw,
+ u32 speed, bool autoneg,
+ bool autoneg_wait_to_complete)
+{
+ s32 status = 0;
+
+ /* If speed is 10G, then check for CX4 or XAUI. */
+ if ((speed == IXGBE_LINK_SPEED_10GB_FULL) &&
+ (!(hw->mac.link_attach_type & IXGBE_AUTOC_10G_KX4)))
+ hw->mac.link_mode_select = IXGBE_AUTOC_LMS_10G_LINK_NO_AN;
+ else if ((speed == IXGBE_LINK_SPEED_1GB_FULL) && (!autoneg))
+ hw->mac.link_mode_select = IXGBE_AUTOC_LMS_1G_LINK_NO_AN;
+ else if (autoneg) {
+ /* BX mode - Autonegotiate 1G */
+ if (!(hw->mac.link_attach_type & IXGBE_AUTOC_1G_PMA_PMD))
+ hw->mac.link_mode_select = IXGBE_AUTOC_LMS_1G_AN;
+ else /* KX/KX4 mode */
+ hw->mac.link_mode_select = IXGBE_AUTOC_LMS_KX4_AN_1G_AN;
+ } else {
+ status = IXGBE_ERR_LINK_SETUP;
+ }
+
+ if (status == 0) {
+ hw->phy.autoneg_wait_to_complete = autoneg_wait_to_complete;
+
+ hw->mac.link_settings_loaded = true;
+ /*
+ * Setup and restart the link based on the new values in
+ * ixgbe_hw This will write the AUTOC register based on the new
+ * stored values
+ */
+ hw->phy.ops.setup(hw);
+ }
+
+ return status;
+}
+
+
+/**
+ * ixgbe_setup_copper_link_82598 - Setup copper link settings
+ * @hw: pointer to hardware structure
+ *
+ * Configures link settings based on values in the ixgbe_hw struct.
+ * Restarts the link. Performs autonegotiation if needed. Restart
+ * phy and wait for autonegotiate to finish. Then synchronize the
+ * MAC and PHY.
+ **/
+static s32 ixgbe_setup_copper_link_82598(struct ixgbe_hw *hw)
+{
+ s32 status;
+ u32 speed = 0;
+ bool link_up = false;
+
+ /* Set up MAC */
+ hw->phy.ops.setup(hw);
+
+ /* Restart autonegotiation on PHY */
+ status = hw->phy.ops.setup(hw);
+
+ /* Synchronize MAC to PHY speed */
+ if (status == 0)
+ status = hw->phy.ops.check(hw, &speed, &link_up);
+
+ return status;
+}
+
+/**
+ * ixgbe_check_copper_link_82598 - Syncs MAC & PHY link settings
+ * @hw: pointer to hardware structure
+ * @speed: pointer to link speed
+ * @link_up: true if link is up, false otherwise
+ *
+ * Reads the mac link, phy link, and synchronizes the MAC to PHY.
+ **/
+static s32 ixgbe_check_copper_link_82598(struct ixgbe_hw *hw, u32 *speed,
+ bool *link_up)
+{
+ s32 status;
+ u32 phy_speed = 0;
+ bool phy_link = false;
+
+ /* This is the speed and link the MAC is set at */
+ hw->phy.ops.check(hw, speed, link_up);
+
+ /*
+ * Check current speed and link status of the PHY register.
+ * This is a vendor specific register and may have to
+ * be changed for other copper PHYs.
+ */
+ status = hw->phy.ops.check(hw, &phy_speed, &phy_link);
+
+ if ((status == 0) && (phy_link)) {
+ /*
+ * Check current link status of the MACs link's register
+ * matches that of the speed in the PHY register
+ */
+ if (*speed != phy_speed) {
+ /*
+ * The copper PHY requires 82598 attach type to be XAUI
+ * for 10G and BX for 1G
+ */
+ hw->mac.link_attach_type =
+ (IXGBE_AUTOC_10G_XAUI | IXGBE_AUTOC_1G_BX);
+
+ /* Synchronize the MAC speed to the PHY speed */
+ status = hw->phy.ops.setup_speed(hw, phy_speed, false,
+ false);
+ if (status == 0)
+ hw->phy.ops.check(hw, speed, link_up);
+ else
+ status = IXGBE_ERR_LINK_SETUP;
+ }
+ } else {
+ *link_up = phy_link;
+ }
+
+ return status;
+}
+
+/**
+ * ixgbe_setup_copper_link_speed_82598 - Set the PHY autoneg advertised field
+ * @hw: pointer to hardware structure
+ * @speed: new link speed
+ * @autoneg: true if autonegotiation enabled
+ * @autoneg_wait_to_complete: true if waiting is needed to complete
+ *
+ * Sets the link speed in the AUTOC register in the MAC and restarts link.
+ **/
+static s32 ixgbe_setup_copper_link_speed_82598(struct ixgbe_hw *hw, u32 speed,
+ bool autoneg,
+ bool autoneg_wait_to_complete)
+{
+ s32 status;
+ bool link_up = 0;
+
+ /* Setup the PHY according to input speed */
+ status = hw->phy.ops.setup_speed(hw, speed, autoneg,
+ autoneg_wait_to_complete);
+
+ /* Synchronize MAC to PHY speed */
+ if (status == 0)
+ status = hw->phy.ops.check(hw, &speed, &link_up);
+
+ return status;
+}
+
+/**
+ * ixgbe_reset_hw_82598 - Performs hardware reset
+ * @hw: pointer to hardware structure
+ *
+ * Resets the hardware by reseting the transmit and receive units, masks and
+ * clears all interrupts, performing a PHY reset, and performing a link (MAC)
+ * reset.
+ **/
+static s32 ixgbe_reset_hw_82598(struct ixgbe_hw *hw)
+{
+ s32 status = 0;
+ u32 ctrl;
+ u32 gheccr;
+ u32 i;
+ u32 autoc;
+ u8 analog_val;
+
+ /* Call adapter stop to disable tx/rx and clear interrupts */
+ ixgbe_stop_adapter(hw);
+
+ /*
+ * Power up the Atlas TX lanes if they are currently powered down.
+ * Atlas TX lanes are powered down for MAC loopback tests, but
+ * they are not automatically restored on reset.
+ */
+ ixgbe_read_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK, &analog_val);
+ if (analog_val & IXGBE_ATLAS_PDN_TX_REG_EN) {
+ /* Enable TX Atlas so packets can be transmitted again */
+ ixgbe_read_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK, &analog_val);
+ analog_val &= ~IXGBE_ATLAS_PDN_TX_REG_EN;
+ ixgbe_write_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK, analog_val);
+
+ ixgbe_read_analog_reg8(hw, IXGBE_ATLAS_PDN_10G, &analog_val);
+ analog_val &= ~IXGBE_ATLAS_PDN_TX_10G_QL_ALL;
+ ixgbe_write_analog_reg8(hw, IXGBE_ATLAS_PDN_10G, analog_val);
+
+ ixgbe_read_analog_reg8(hw, IXGBE_ATLAS_PDN_1G, &analog_val);
+ analog_val &= ~IXGBE_ATLAS_PDN_TX_1G_QL_ALL;
+ ixgbe_write_analog_reg8(hw, IXGBE_ATLAS_PDN_1G, analog_val);
+
+ ixgbe_read_analog_reg8(hw, IXGBE_ATLAS_PDN_AN, &analog_val);
+ analog_val &= ~IXGBE_ATLAS_PDN_TX_AN_QL_ALL;
+ ixgbe_write_analog_reg8(hw, IXGBE_ATLAS_PDN_AN, analog_val);
+ }
+
+ /* Reset PHY */
+ ixgbe_reset_phy(hw);
+
+ /*
+ * Prevent the PCI-E bus from from hanging by disabling PCI-E master
+ * access and verify no pending requests before reset
+ */
+ if (ixgbe_disable_pcie_master(hw) != 0) {
+ status = IXGBE_ERR_MASTER_REQUESTS_PENDING;
+ hw_dbg(hw, "PCI-E Master disable polling has failed.\n");
+ }
+
+ /*
+ * Issue global reset to the MAC. This needs to be a SW reset.
+ * If link reset is used, it might reset the MAC when mng is using it
+ */
+ ctrl = IXGBE_READ_REG(hw, IXGBE_CTRL);
+ IXGBE_WRITE_REG(hw, IXGBE_CTRL, (ctrl | IXGBE_CTRL_RST));
+ IXGBE_WRITE_FLUSH(hw);
+
+ /* Poll for reset bit to self-clear indicating reset is complete */
+ for (i = 0; i < 10; i++) {
+ udelay(1);
+ ctrl = IXGBE_READ_REG(hw, IXGBE_CTRL);
+ if (!(ctrl & IXGBE_CTRL_RST))
+ break;
+ }
+ if (ctrl & IXGBE_CTRL_RST) {
+ status = IXGBE_ERR_RESET_FAILED;
+ hw_dbg(hw, "Reset polling failed to complete.\n");
+ }
+
+ msleep(50);
+
+ gheccr = IXGBE_READ_REG(hw, IXGBE_GHECCR);
+ gheccr &= ~((1 << 21) | (1 << 18) | (1 << 9) | (1 << 6));
+ IXGBE_WRITE_REG(hw, IXGBE_GHECCR, gheccr);
+
+ /*
+ * AUTOC register which stores link settings gets cleared
+ * and reloaded from EEPROM after reset. We need to restore
+ * our stored value from init in case SW changed the attach
+ * type or speed. If this is the first time and link settings
+ * have not been stored, store default settings from AUTOC.
+ */
+ autoc = IXGBE_READ_REG(hw, IXGBE_AUTOC);
+ if (hw->mac.link_settings_loaded) {
+ autoc &= ~(IXGBE_AUTOC_LMS_ATTACH_TYPE);
+ autoc &= ~(IXGBE_AUTOC_LMS_MASK);
+ autoc |= hw->mac.link_attach_type;
+ autoc |= hw->mac.link_mode_select;
+ IXGBE_WRITE_REG(hw, IXGBE_AUTOC, autoc);
+ } else {
+ hw->mac.link_attach_type =
+ (autoc & IXGBE_AUTOC_LMS_ATTACH_TYPE);
+ hw->mac.link_mode_select = (autoc & IXGBE_AUTOC_LMS_MASK);
+ hw->mac.link_settings_loaded = true;
+ }
+
+ /* Store the permanent mac address */
+ ixgbe_get_mac_addr(hw, hw->mac.perm_addr);
+
+ return status;
+}
+
+static struct ixgbe_mac_operations mac_ops_82598 = {
+ .reset = &ixgbe_reset_hw_82598,
+ .get_media_type = &ixgbe_get_media_type_82598,
+};
+
+static struct ixgbe_phy_operations phy_ops_82598EB = {
+ .setup = &ixgbe_setup_copper_link_82598,
+ .check = &ixgbe_check_copper_link_82598,
+ .setup_speed = &ixgbe_setup_copper_link_speed_82598,
+ .get_settings = &ixgbe_get_copper_link_settings_82598,
+};
+
+struct ixgbe_info ixgbe_82598EB_info = {
+ .mac = ixgbe_mac_82598EB,
+ .get_invariants = &ixgbe_get_invariants_82598,
+ .mac_ops = &mac_ops_82598,
+ .phy_ops = &phy_ops_82598EB,
+};
+
+static struct ixgbe_phy_operations phy_ops_82598AT = {
+ .setup = &ixgbe_setup_tnx_phy_link,
+ .check = &ixgbe_check_tnx_phy_link,
+ .setup_speed = &ixgbe_setup_tnx_phy_link_speed,
+ .get_settings = &ixgbe_get_copper_link_settings_82598,
+};
+
+struct ixgbe_info ixgbe_82598AT_info = {
+ .mac = ixgbe_mac_82598EB,
+ .get_invariants = &ixgbe_get_invariants_82598,
+ .mac_ops = &mac_ops_82598,
+ .phy_ops = &phy_ops_82598AT,
+};
+
+static struct ixgbe_phy_operations phy_ops_82598AF = {
+ .setup = &ixgbe_setup_mac_link_82598,
+ .check = &ixgbe_check_mac_link_82598,
+ .setup_speed = &ixgbe_setup_mac_link_speed_82598,
+ .get_settings = &ixgbe_get_link_settings_82598,
+};
+
+struct ixgbe_info ixgbe_82598AF_info = {
+ .mac = ixgbe_mac_82598EB,
+ .get_invariants = &ixgbe_get_invariants_82598,
+ .mac_ops = &mac_ops_82598,
+ .phy_ops = &phy_ops_82598AF,
+};
+
--- /dev/null
+/*******************************************************************************
+
+ Intel 10 Gigabit PCI Express Linux driver
+ Copyright(c) 1999 - 2007 Intel Corporation.
+
+ This program is free software; you can redistribute it and/or modify it
+ under the terms and conditions of the GNU General Public License,
+ version 2, as published by the Free Software Foundation.
+
+ This program is distributed in the hope 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.,
+ 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+
+ The full GNU General Public License is included in this distribution in
+ the file called "COPYING".
+
+ Contact Information:
+ Linux NICS <linux.nics@intel.com>
+ e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
+ Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
+
+*******************************************************************************/
+
+#include <linux/pci.h>
+#include <linux/delay.h>
+#include <linux/sched.h>
+
+#include "ixgbe_common.h"
+#include "ixgbe_phy.h"
+
+static s32 ixgbe_clear_hw_cntrs(struct ixgbe_hw *hw);
+
+static s32 ixgbe_poll_eeprom_eerd_done(struct ixgbe_hw *hw);
+static s32 ixgbe_get_eeprom_semaphore(struct ixgbe_hw *hw);
+static void ixgbe_release_eeprom_semaphore(struct ixgbe_hw *hw);
+static u16 ixgbe_calc_eeprom_checksum(struct ixgbe_hw *hw);
+
+static s32 ixgbe_clear_vfta(struct ixgbe_hw *hw);
+static s32 ixgbe_init_rx_addrs(struct ixgbe_hw *hw);
+static s32 ixgbe_mta_vector(struct ixgbe_hw *hw, u8 *mc_addr);
+static void ixgbe_add_mc_addr(struct ixgbe_hw *hw, u8 *mc_addr);
+
+/**
+ * ixgbe_start_hw - Prepare hardware for TX/RX
+ * @hw: pointer to hardware structure
+ *
+ * Starts the hardware by filling the bus info structure and media type, clears
+ * all on chip counters, initializes receive address registers, multicast
+ * table, VLAN filter table, calls routine to set up link and flow control
+ * settings, and leaves transmit and receive units disabled and uninitialized
+ **/
+s32 ixgbe_start_hw(struct ixgbe_hw *hw)
+{
+ u32 ctrl_ext;
+
+ /* Set the media type */
+ hw->phy.media_type = hw->mac.ops.get_media_type(hw);
+
+ /* Identify the PHY */
+ ixgbe_identify_phy(hw);
+
+ /*
+ * Store MAC address from RAR0, clear receive address registers, and
+ * clear the multicast table
+ */
+ ixgbe_init_rx_addrs(hw);
+
+ /* Clear the VLAN filter table */
+ ixgbe_clear_vfta(hw);
+
+ /* Set up link */
+ hw->phy.ops.setup(hw);
+
+ /* Clear statistics registers */
+ ixgbe_clear_hw_cntrs(hw);
+
+ /* Set No Snoop Disable */
+ ctrl_ext = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT);
+ ctrl_ext |= IXGBE_CTRL_EXT_NS_DIS;
+ IXGBE_WRITE_REG(hw, IXGBE_CTRL_EXT, ctrl_ext);
+
+ /* Clear adapter stopped flag */
+ hw->adapter_stopped = false;
+
+ return 0;
+}
+
+/**
+ * ixgbe_init_hw - Generic hardware initialization
+ * @hw: pointer to hardware structure
+ *
+ * Initialize the hardware by reseting the hardware, filling the bus info
+ * structure and media type, clears all on chip counters, initializes receive
+ * address registers, multicast table, VLAN filter table, calls routine to set
+ * up link and flow control settings, and leaves transmit and receive units
+ * disabled and uninitialized
+ **/
+s32 ixgbe_init_hw(struct ixgbe_hw *hw)
+{
+ /* Reset the hardware */
+ hw->mac.ops.reset(hw);
+
+ /* Start the HW */
+ ixgbe_start_hw(hw);
+
+ return 0;
+}
+
+/**
+ * ixgbe_clear_hw_cntrs - Generic clear hardware counters
+ * @hw: pointer to hardware structure
+ *
+ * Clears all hardware statistics counters by reading them from the hardware
+ * Statistics counters are clear on read.
+ **/
+static s32 ixgbe_clear_hw_cntrs(struct ixgbe_hw *hw)
+{
+ u16 i = 0;
+
+ IXGBE_READ_REG(hw, IXGBE_CRCERRS);
+ IXGBE_READ_REG(hw, IXGBE_ILLERRC);
+ IXGBE_READ_REG(hw, IXGBE_ERRBC);
+ IXGBE_READ_REG(hw, IXGBE_MSPDC);
+ for (i = 0; i < 8; i++)
+ IXGBE_READ_REG(hw, IXGBE_MPC(i));
+
+ IXGBE_READ_REG(hw, IXGBE_MLFC);
+ IXGBE_READ_REG(hw, IXGBE_MRFC);
+ IXGBE_READ_REG(hw, IXGBE_RLEC);
+ IXGBE_READ_REG(hw, IXGBE_LXONTXC);
+ IXGBE_READ_REG(hw, IXGBE_LXONRXC);
+ IXGBE_READ_REG(hw, IXGBE_LXOFFTXC);
+ IXGBE_READ_REG(hw, IXGBE_LXOFFRXC);
+
+ for (i = 0; i < 8; i++) {
+ IXGBE_READ_REG(hw, IXGBE_PXONTXC(i));
+ IXGBE_READ_REG(hw, IXGBE_PXONRXC(i));
+ IXGBE_READ_REG(hw, IXGBE_PXOFFTXC(i));
+ IXGBE_READ_REG(hw, IXGBE_PXOFFRXC(i));
+ }
+
+ IXGBE_READ_REG(hw, IXGBE_PRC64);
+ IXGBE_READ_REG(hw, IXGBE_PRC127);
+ IXGBE_READ_REG(hw, IXGBE_PRC255);
+ IXGBE_READ_REG(hw, IXGBE_PRC511);
+ IXGBE_READ_REG(hw, IXGBE_PRC1023);
+ IXGBE_READ_REG(hw, IXGBE_PRC1522);
+ IXGBE_READ_REG(hw, IXGBE_GPRC);
+ IXGBE_READ_REG(hw, IXGBE_BPRC);
+ IXGBE_READ_REG(hw, IXGBE_MPRC);
+ IXGBE_READ_REG(hw, IXGBE_GPTC);
+ IXGBE_READ_REG(hw, IXGBE_GORCL);
+ IXGBE_READ_REG(hw, IXGBE_GORCH);
+ IXGBE_READ_REG(hw, IXGBE_GOTCL);
+ IXGBE_READ_REG(hw, IXGBE_GOTCH);
+ for (i = 0; i < 8; i++)
+ IXGBE_READ_REG(hw, IXGBE_RNBC(i));
+ IXGBE_READ_REG(hw, IXGBE_RUC);
+ IXGBE_READ_REG(hw, IXGBE_RFC);
+ IXGBE_READ_REG(hw, IXGBE_ROC);
+ IXGBE_READ_REG(hw, IXGBE_RJC);
+ IXGBE_READ_REG(hw, IXGBE_MNGPRC);
+ IXGBE_READ_REG(hw, IXGBE_MNGPDC);
+ IXGBE_READ_REG(hw, IXGBE_MNGPTC);
+ IXGBE_READ_REG(hw, IXGBE_TORL);
+ IXGBE_READ_REG(hw, IXGBE_TORH);
+ IXGBE_READ_REG(hw, IXGBE_TPR);
+ IXGBE_READ_REG(hw, IXGBE_TPT);
+ IXGBE_READ_REG(hw, IXGBE_PTC64);
+ IXGBE_READ_REG(hw, IXGBE_PTC127);
+ IXGBE_READ_REG(hw, IXGBE_PTC255);
+ IXGBE_READ_REG(hw, IXGBE_PTC511);
+ IXGBE_READ_REG(hw, IXGBE_PTC1023);
+ IXGBE_READ_REG(hw, IXGBE_PTC1522);
+ IXGBE_READ_REG(hw, IXGBE_MPTC);
+ IXGBE_READ_REG(hw, IXGBE_BPTC);
+ for (i = 0; i < 16; i++) {
+ IXGBE_READ_REG(hw, IXGBE_QPRC(i));
+ IXGBE_READ_REG(hw, IXGBE_QBRC(i));
+ IXGBE_READ_REG(hw, IXGBE_QPTC(i));
+ IXGBE_READ_REG(hw, IXGBE_QBTC(i));
+ }
+
+ return 0;
+}
+
+/**
+ * ixgbe_get_mac_addr - Generic get MAC address
+ * @hw: pointer to hardware structure
+ * @mac_addr: Adapter MAC address
+ *
+ * Reads the adapter's MAC address from first Receive Address Register (RAR0)
+ * A reset of the adapter must be performed prior to calling this function
+ * in order for the MAC address to have been loaded from the EEPROM into RAR0
+ **/
+s32 ixgbe_get_mac_addr(struct ixgbe_hw *hw, u8 *mac_addr)
+{
+ u32 rar_high;
+ u32 rar_low;
+ u16 i;
+
+ rar_high = IXGBE_READ_REG(hw, IXGBE_RAH(0));
+ rar_low = IXGBE_READ_REG(hw, IXGBE_RAL(0));
+
+ for (i = 0; i < 4; i++)
+ mac_addr[i] = (u8)(rar_low >> (i*8));
+
+ for (i = 0; i < 2; i++)
+ mac_addr[i+4] = (u8)(rar_high >> (i*8));
+
+ return 0;
+}
+
+s32 ixgbe_read_part_num(struct ixgbe_hw *hw, u32 *part_num)
+{
+ s32 ret_val;
+ u16 data;
+
+ ret_val = ixgbe_read_eeprom(hw, IXGBE_PBANUM0_PTR, &data);
+ if (ret_val) {
+ hw_dbg(hw, "NVM Read Error\n");
+ return ret_val;
+ }
+ *part_num = (u32)(data << 16);
+
+ ret_val = ixgbe_read_eeprom(hw, IXGBE_PBANUM1_PTR, &data);
+ if (ret_val) {
+ hw_dbg(hw, "NVM Read Error\n");
+ return ret_val;
+ }
+ *part_num |= data;
+
+ return 0;
+}
+
+/**
+ * ixgbe_stop_adapter - Generic stop TX/RX units
+ * @hw: pointer to hardware structure
+ *
+ * Sets the adapter_stopped flag within ixgbe_hw struct. Clears interrupts,
+ * disables transmit and receive units. The adapter_stopped flag is used by
+ * the shared code and drivers to determine if the adapter is in a stopped
+ * state and should not touch the hardware.
+ **/
+s32 ixgbe_stop_adapter(struct ixgbe_hw *hw)
+{
+ u32 number_of_queues;
+ u32 reg_val;
+ u16 i;
+
+ /*
+ * Set the adapter_stopped flag so other driver functions stop touching
+ * the hardware
+ */
+ hw->adapter_stopped = true;
+
+ /* Disable the receive unit */
+ reg_val = IXGBE_READ_REG(hw, IXGBE_RXCTRL);
+ reg_val &= ~(IXGBE_RXCTRL_RXEN);
+ IXGBE_WRITE_REG(hw, IXGBE_RXCTRL, reg_val);
+ msleep(2);
+
+ /* Clear interrupt mask to stop from interrupts being generated */
+ IXGBE_WRITE_REG(hw, IXGBE_EIMC, IXGBE_IRQ_CLEAR_MASK);
+
+ /* Clear any pending interrupts */
+ IXGBE_READ_REG(hw, IXGBE_EICR);
+
+ /* Disable the transmit unit. Each queue must be disabled. */
+ number_of_queues = hw->mac.num_tx_queues;
+ for (i = 0; i < number_of_queues; i++) {
+ reg_val = IXGBE_READ_REG(hw, IXGBE_TXDCTL(i));
+ if (reg_val & IXGBE_TXDCTL_ENABLE) {
+ reg_val &= ~IXGBE_TXDCTL_ENABLE;
+ IXGBE_WRITE_REG(hw, IXGBE_TXDCTL(i), reg_val);
+ }
+ }
+
+ return 0;
+}
+
+/**
+ * ixgbe_led_on - Turns on the software controllable LEDs.
+ * @hw: pointer to hardware structure
+ * @index: led number to turn on
+ **/
+s32 ixgbe_led_on(struct ixgbe_hw *hw, u32 index)
+{
+ u32 led_reg = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
+
+ /* To turn on the LED, set mode to ON. */
+ led_reg &= ~IXGBE_LED_MODE_MASK(index);
+ led_reg |= IXGBE_LED_ON << IXGBE_LED_MODE_SHIFT(index);
+ IXGBE_WRITE_REG(hw, IXGBE_LEDCTL, led_reg);
+
+ return 0;
+}
+
+/**
+ * ixgbe_led_off - Turns off the software controllable LEDs.
+ * @hw: pointer to hardware structure
+ * @index: led number to turn off
+ **/
+s32 ixgbe_led_off(struct ixgbe_hw *hw, u32 index)
+{
+ u32 led_reg = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
+
+ /* To turn off the LED, set mode to OFF. */
+ led_reg &= ~IXGBE_LED_MODE_MASK(index);
+ led_reg |= IXGBE_LED_OFF << IXGBE_LED_MODE_SHIFT(index);
+ IXGBE_WRITE_REG(hw, IXGBE_LEDCTL, led_reg);
+
+ return 0;
+}
+
+
+/**
+ * ixgbe_init_eeprom - Initialize EEPROM params
+ * @hw: pointer to hardware structure
+ *
+ * Initializes the EEPROM parameters ixgbe_eeprom_info within the
+ * ixgbe_hw struct in order to set up EEPROM access.
+ **/
+s32 ixgbe_init_eeprom(struct ixgbe_hw *hw)
+{
+ struct ixgbe_eeprom_info *eeprom = &hw->eeprom;
+ u32 eec;
+ u16 eeprom_size;
+
+ if (eeprom->type == ixgbe_eeprom_uninitialized) {
+ eeprom->type = ixgbe_eeprom_none;
+
+ /*
+ * Check for EEPROM present first.
+ * If not present leave as none
+ */
+ eec = IXGBE_READ_REG(hw, IXGBE_EEC);
+ if (eec & IXGBE_EEC_PRES) {
+ eeprom->type = ixgbe_eeprom_spi;
+
+ /*
+ * SPI EEPROM is assumed here. This code would need to
+ * change if a future EEPROM is not SPI.
+ */
+ eeprom_size = (u16)((eec & IXGBE_EEC_SIZE) >>
+ IXGBE_EEC_SIZE_SHIFT);
+ eeprom->word_size = 1 << (eeprom_size +
+ IXGBE_EEPROM_WORD_SIZE_SHIFT);
+ }
+
+ if (eec & IXGBE_EEC_ADDR_SIZE)
+ eeprom->address_bits = 16;
+ else
+ eeprom->address_bits = 8;
+ hw_dbg(hw, "Eeprom params: type = %d, size = %d, address bits: "
+ "%d\n", eeprom->type, eeprom->word_size,
+ eeprom->address_bits);
+ }
+
+ return 0;
+}
+
+/**
+ * ixgbe_read_eeprom - Read EEPROM word using EERD
+ * @hw: pointer to hardware structure
+ * @offset: offset of word in the EEPROM to read
+ * @data: word read from the EEPROM
+ *
+ * Reads a 16 bit word from the EEPROM using the EERD register.
+ **/
+s32 ixgbe_read_eeprom(struct ixgbe_hw *hw, u16 offset, u16 *data)
+{
+ u32 eerd;
+ s32 status;
+
+ eerd = (offset << IXGBE_EEPROM_READ_ADDR_SHIFT) +
+ IXGBE_EEPROM_READ_REG_START;
+
+ IXGBE_WRITE_REG(hw, IXGBE_EERD, eerd);
+ status = ixgbe_poll_eeprom_eerd_done(hw);
+
+ if (status == 0)
+ *data = (IXGBE_READ_REG(hw, IXGBE_EERD) >>
+ IXGBE_EEPROM_READ_REG_DATA);
+ else
+ hw_dbg(hw, "Eeprom read timed out\n");
+
+ return status;
+}
+
+/**
+ * ixgbe_poll_eeprom_eerd_done - Poll EERD status
+ * @hw: pointer to hardware structure
+ *
+ * Polls the status bit (bit 1) of the EERD to determine when the read is done.
+ **/
+static s32 ixgbe_poll_eeprom_eerd_done(struct ixgbe_hw *hw)
+{
+ u32 i;
+ u32 reg;
+ s32 status = IXGBE_ERR_EEPROM;
+
+ for (i = 0; i < IXGBE_EERD_ATTEMPTS; i++) {
+ reg = IXGBE_READ_REG(hw, IXGBE_EERD);
+ if (reg & IXGBE_EEPROM_READ_REG_DONE) {
+ status = 0;
+ break;
+ }
+ udelay(5);
+ }
+ return status;
+}
+
+/**
+ * ixgbe_get_eeprom_semaphore - Get hardware semaphore
+ * @hw: pointer to hardware structure
+ *
+ * Sets the hardware semaphores so EEPROM access can occur for bit-bang method
+ **/
+static s32 ixgbe_get_eeprom_semaphore(struct ixgbe_hw *hw)
+{
+ s32 status = IXGBE_ERR_EEPROM;
+ u32 timeout;
+ u32 i;
+ u32 swsm;
+
+ /* Set timeout value based on size of EEPROM */
+ timeout = hw->eeprom.word_size + 1;
+
+ /* Get SMBI software semaphore between device drivers first */
+ for (i = 0; i < timeout; i++) {
+ /*
+ * If the SMBI bit is 0 when we read it, then the bit will be
+ * set and we have the semaphore
+ */
+ swsm = IXGBE_READ_REG(hw, IXGBE_SWSM);
+ if (!(swsm & IXGBE_SWSM_SMBI)) {
+ status = 0;
+ break;
+ }
+ msleep(1);
+ }
+
+ /* Now get the semaphore between SW/FW through the SWESMBI bit */
+ if (status == 0) {
+ for (i = 0; i < timeout; i++) {
+ swsm = IXGBE_READ_REG(hw, IXGBE_SWSM);
+
+ /* Set the SW EEPROM semaphore bit to request access */
+ swsm |= IXGBE_SWSM_SWESMBI;
+ IXGBE_WRITE_REG(hw, IXGBE_SWSM, swsm);
+
+ /*
+ * If we set the bit successfully then we got the
+ * semaphore.
+ */
+ swsm = IXGBE_READ_REG(hw, IXGBE_SWSM);
+ if (swsm & IXGBE_SWSM_SWESMBI)
+ break;
+
+ udelay(50);
+ }
+
+ /*
+ * Release semaphores and return error if SW EEPROM semaphore
+ * was not granted because we don't have access to the EEPROM
+ */
+ if (i >= timeout) {
+ hw_dbg(hw, "Driver can't access the Eeprom - Semaphore "
+ "not granted.\n");
+ ixgbe_release_eeprom_semaphore(hw);
+ status = IXGBE_ERR_EEPROM;
+ }
+ }
+
+ return status;
+}
+
+/**
+ * ixgbe_release_eeprom_semaphore - Release hardware semaphore
+ * @hw: pointer to hardware structure
+ *
+ * This function clears hardware semaphore bits.
+ **/
+static void ixgbe_release_eeprom_semaphore(struct ixgbe_hw *hw)
+{
+ u32 swsm;
+
+ swsm = IXGBE_READ_REG(hw, IXGBE_SWSM);
+
+ /* Release both semaphores by writing 0 to the bits SWESMBI and SMBI */
+ swsm &= ~(IXGBE_SWSM_SWESMBI | IXGBE_SWSM_SMBI);
+ IXGBE_WRITE_REG(hw, IXGBE_SWSM, swsm);
+}
+
+/**
+ * ixgbe_calc_eeprom_checksum - Calculates and returns the checksum
+ * @hw: pointer to hardware structure
+ **/
+static u16 ixgbe_calc_eeprom_checksum(struct ixgbe_hw *hw)
+{
+ u16 i;
+ u16 j;
+ u16 checksum = 0;
+ u16 length = 0;
+ u16 pointer = 0;
+ u16 word = 0;
+
+ /* Include 0x0-0x3F in the checksum */
+ for (i = 0; i < IXGBE_EEPROM_CHECKSUM; i++) {
+ if (ixgbe_read_eeprom(hw, i, &word) != 0) {
+ hw_dbg(hw, "EEPROM read failed\n");
+ break;
+ }
+ checksum += word;
+ }
+
+ /* Include all data from pointers except for the fw pointer */
+ for (i = IXGBE_PCIE_ANALOG_PTR; i < IXGBE_FW_PTR; i++) {
+ ixgbe_read_eeprom(hw, i, &pointer);
+
+ /* Make sure the pointer seems valid */
+ if (pointer != 0xFFFF && pointer != 0) {
+ ixgbe_read_eeprom(hw, pointer, &length);
+
+ if (length != 0xFFFF && length != 0) {
+ for (j = pointer+1; j <= pointer+length; j++) {
+ ixgbe_read_eeprom(hw, j, &word);
+ checksum += word;
+ }
+ }
+ }
+ }
+
+ checksum = (u16)IXGBE_EEPROM_SUM - checksum;
+
+ return checksum;
+}
+
+/**
+ * ixgbe_validate_eeprom_checksum - Validate EEPROM checksum
+ * @hw: pointer to hardware structure
+ * @checksum_val: calculated checksum
+ *
+ * Performs checksum calculation and validates the EEPROM checksum. If the
+ * caller does not need checksum_val, the value can be NULL.
+ **/
+s32 ixgbe_validate_eeprom_checksum(struct ixgbe_hw *hw, u16 *checksum_val)
+{
+ s32 status;
+ u16 checksum;
+ u16 read_checksum = 0;
+
+ /*
+ * Read the first word from the EEPROM. If this times out or fails, do
+ * not continue or we could be in for a very long wait while every
+ * EEPROM read fails
+ */
+ status = ixgbe_read_eeprom(hw, 0, &checksum);
+
+ if (status == 0) {
+ checksum = ixgbe_calc_eeprom_checksum(hw);
+
+ ixgbe_read_eeprom(hw, IXGBE_EEPROM_CHECKSUM, &read_checksum);
+
+ /*
+ * Verify read checksum from EEPROM is the same as
+ * calculated checksum
+ */
+ if (read_checksum != checksum)
+ status = IXGBE_ERR_EEPROM_CHECKSUM;
+
+ /* If the user cares, return the calculated checksum */
+ if (checksum_val)
+ *checksum_val = checksum;
+ } else {
+ hw_dbg(hw, "EEPROM read failed\n");
+ }
+
+ return status;
+}
+
+/**
+ * ixgbe_validate_mac_addr - Validate MAC address
+ * @mac_addr: pointer to MAC address.
+ *
+ * Tests a MAC address to ensure it is a valid Individual Address
+ **/
+s32 ixgbe_validate_mac_addr(u8 *mac_addr)
+{
+ s32 status = 0;
+
+ /* Make sure it is not a multicast address */
+ if (IXGBE_IS_MULTICAST(mac_addr))
+ status = IXGBE_ERR_INVALID_MAC_ADDR;
+ /* Not a broadcast address */
+ else if (IXGBE_IS_BROADCAST(mac_addr))
+ status = IXGBE_ERR_INVALID_MAC_ADDR;
+ /* Reject the zero address */
+ else if (mac_addr[0] == 0 && mac_addr[1] == 0 && mac_addr[2] == 0 &&
+ mac_addr[3] == 0 && mac_addr[4] == 0 && mac_addr[5] == 0)
+ status = IXGBE_ERR_INVALID_MAC_ADDR;
+
+ return status;
+}
+
+/**
+ * ixgbe_set_rar - Set RX address register
+ * @hw: pointer to hardware structure
+ * @addr: Address to put into receive address register
+ * @index: Receive address register to write
+ * @vind: Vind to set RAR to
+ * @enable_addr: set flag that address is active
+ *
+ * Puts an ethernet address into a receive address register.
+ **/
+s32 ixgbe_set_rar(struct ixgbe_hw *hw, u32 index, u8 *addr, u32 vind,
+ u32 enable_addr)
+{
+ u32 rar_low, rar_high;
+
+ /*
+ * HW expects these in little endian so we reverse the byte order from
+ * network order (big endian) to little endian
+ */
+ rar_low = ((u32)addr[0] |
+ ((u32)addr[1] << 8) |
+ ((u32)addr[2] << 16) |
+ ((u32)addr[3] << 24));
+
+ rar_high = ((u32)addr[4] |
+ ((u32)addr[5] << 8) |
+ ((vind << IXGBE_RAH_VIND_SHIFT) & IXGBE_RAH_VIND_MASK));
+
+ if (enable_addr != 0)
+ rar_high |= IXGBE_RAH_AV;
+
+ IXGBE_WRITE_REG(hw, IXGBE_RAL(index), rar_low);
+ IXGBE_WRITE_REG(hw, IXGBE_RAH(index), rar_high);
+
+ return 0;
+}
+
+/**
+ * ixgbe_init_rx_addrs - Initializes receive address filters.
+ * @hw: pointer to hardware structure
+ *
+ * Places the MAC address in receive address register 0 and clears the rest
+ * of the receive addresss registers. Clears the multicast table. Assumes
+ * the receiver is in reset when the routine is called.
+ **/
+static s32 ixgbe_init_rx_addrs(struct ixgbe_hw *hw)
+{
+ u32 i;
+ u32 rar_entries = hw->mac.num_rx_addrs;
+
+ /*
+ * If the current mac address is valid, assume it is a software override
+ * to the permanent address.
+ * Otherwise, use the permanent address from the eeprom.
+ */
+ if (ixgbe_validate_mac_addr(hw->mac.addr) ==
+ IXGBE_ERR_INVALID_MAC_ADDR) {
+ /* Get the MAC address from the RAR0 for later reference */
+ ixgbe_get_mac_addr(hw, hw->mac.addr);
+
+ hw_dbg(hw, " Keeping Current RAR0 Addr =%.2X %.2X %.2X ",
+ hw->mac.addr[0], hw->mac.addr[1],
+ hw->mac.addr[2]);
+ hw_dbg(hw, "%.2X %.2X %.2X\n", hw->mac.addr[3],
+ hw->mac.addr[4], hw->mac.addr[5]);
+ } else {
+ /* Setup the receive address. */
+ hw_dbg(hw, "Overriding MAC Address in RAR[0]\n");
+ hw_dbg(hw, " New MAC Addr =%.2X %.2X %.2X ",
+ hw->mac.addr[0], hw->mac.addr[1],
+ hw->mac.addr[2]);
+ hw_dbg(hw, "%.2X %.2X %.2X\n", hw->mac.addr[3],
+ hw->mac.addr[4], hw->mac.addr[5]);
+
+ ixgbe_set_rar(hw, 0, hw->mac.addr, 0, IXGBE_RAH_AV);
+ }
+
+ hw->addr_ctrl.rar_used_count = 1;
+
+ /* Zero out the other receive addresses. */
+ hw_dbg(hw, "Clearing RAR[1-15]\n");
+ for (i = 1; i < rar_entries; i++) {
+ IXGBE_WRITE_REG(hw, IXGBE_RAL(i), 0);
+ IXGBE_WRITE_REG(hw, IXGBE_RAH(i), 0);
+ }
+
+ /* Clear the MTA */
+ hw->addr_ctrl.mc_addr_in_rar_count = 0;
+ hw->addr_ctrl.mta_in_use = 0;
+ IXGBE_WRITE_REG(hw, IXGBE_MCSTCTRL, hw->mac.mc_filter_type);
+
+ hw_dbg(hw, " Clearing MTA\n");
+ for (i = 0; i < IXGBE_MC_TBL_SIZE; i++)
+ IXGBE_WRITE_REG(hw, IXGBE_MTA(i), 0);
+
+ return 0;
+}
+
+/**
+ * ixgbe_mta_vector - Determines bit-vector in multicast table to set
+ * @hw: pointer to hardware structure
+ * @mc_addr: the multicast address
+ *
+ * Extracts the 12 bits, from a multicast address, to determine which
+ * bit-vector to set in the multicast table. The hardware uses 12 bits, from
+ * incoming rx multicast addresses, to determine the bit-vector to check in
+ * the MTA. Which of the 4 combination, of 12-bits, the hardware uses is set
+ * by the MO field of the MCSTCTRL. The MO field is set during initalization
+ * to mc_filter_type.
+ **/
+static s32 ixgbe_mta_vector(struct ixgbe_hw *hw, u8 *mc_addr)
+{
+ u32 vector = 0;
+
+ switch (hw->mac.mc_filter_type) {
+ case 0: /* use bits [47:36] of the address */
+ vector = ((mc_addr[4] >> 4) | (((u16)mc_addr[5]) << 4));
+ break;
+ case 1: /* use bits [46:35] of the address */
+ vector = ((mc_addr[4] >> 3) | (((u16)mc_addr[5]) << 5));
+ break;
+ case 2: /* use bits [45:34] of the address */
+ vector = ((mc_addr[4] >> 2) | (((u16)mc_addr[5]) << 6));
+ break;
+ case 3: /* use bits [43:32] of the address */
+ vector = ((mc_addr[4]) | (((u16)mc_addr[5]) << 8));
+ break;
+ default: /* Invalid mc_filter_type */
+ hw_dbg(hw, "MC filter type param set incorrectly\n");
+ break;
+ }
+
+ /* vector can only be 12-bits or boundary will be exceeded */
+ vector &= 0xFFF;
+ return vector;
+}
+
+/**
+ * ixgbe_set_mta - Set bit-vector in multicast table
+ * @hw: pointer to hardware structure
+ * @hash_value: Multicast address hash value
+ *
+ * Sets the bit-vector in the multicast table.
+ **/
+static void ixgbe_set_mta(struct ixgbe_hw *hw, u8 *mc_addr)
+{
+ u32 vector;
+ u32 vector_bit;
+ u32 vector_reg;
+ u32 mta_reg;
+
+ hw->addr_ctrl.mta_in_use++;
+
+ vector = ixgbe_mta_vector(hw, mc_addr);
+ hw_dbg(hw, " bit-vector = 0x%03X\n", vector);
+
+ /*
+ * The MTA is a register array of 128 32-bit registers. It is treated
+ * like an array of 4096 bits. We want to set bit
+ * BitArray[vector_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 vector value and
+ * the bit within that register are determined by the lower 5 bits of
+ * the value.
+ */
+ vector_reg = (vector >> 5) & 0x7F;
+ vector_bit = vector & 0x1F;
+ mta_reg = IXGBE_READ_REG(hw, IXGBE_MTA(vector_reg));
+ mta_reg |= (1 << vector_bit);
+ IXGBE_WRITE_REG(hw, IXGBE_MTA(vector_reg), mta_reg);
+}
+
+/**
+ * ixgbe_add_mc_addr - Adds a multicast address.
+ * @hw: pointer to hardware structure
+ * @mc_addr: new multicast address
+ *
+ * Adds it to unused receive address register or to the multicast table.
+ **/
+static void ixgbe_add_mc_addr(struct ixgbe_hw *hw, u8 *mc_addr)
+{
+ u32 rar_entries = hw->mac.num_rx_addrs;
+
+ hw_dbg(hw, " MC Addr =%.2X %.2X %.2X %.2X %.2X %.2X\n",
+ mc_addr[0], mc_addr[1], mc_addr[2],
+ mc_addr[3], mc_addr[4], mc_addr[5]);
+
+ /*
+ * Place this multicast address in the RAR if there is room,
+ * else put it in the MTA
+ */
+ if (hw->addr_ctrl.rar_used_count < rar_entries) {
+ ixgbe_set_rar(hw, hw->addr_ctrl.rar_used_count,
+ mc_addr, 0, IXGBE_RAH_AV);
+ hw_dbg(hw, "Added a multicast address to RAR[%d]\n",
+ hw->addr_ctrl.rar_used_count);
+ hw->addr_ctrl.rar_used_count++;
+ hw->addr_ctrl.mc_addr_in_rar_count++;
+ } else {
+ ixgbe_set_mta(hw, mc_addr);
+ }
+
+ hw_dbg(hw, "ixgbe_add_mc_addr Complete\n");
+}
+
+/**
+ * ixgbe_update_mc_addr_list - Updates MAC list of multicast addresses
+ * @hw: pointer to hardware structure
+ * @mc_addr_list: the list of new multicast addresses
+ * @mc_addr_count: number of addresses
+ * @pad: number of bytes between addresses in the list
+ *
+ * The given list replaces any existing list. Clears the MC addrs from receive
+ * address registers and the multicast table. Uses unsed receive address
+ * registers for the first multicast addresses, and hashes the rest into the
+ * multicast table.
+ **/
+s32 ixgbe_update_mc_addr_list(struct ixgbe_hw *hw, u8 *mc_addr_list,
+ u32 mc_addr_count, u32 pad)
+{
+ u32 i;
+ u32 rar_entries = hw->mac.num_rx_addrs;
+
+ /*
+ * Set the new number of MC addresses that we are being requested to
+ * use.
+ */
+ hw->addr_ctrl.num_mc_addrs = mc_addr_count;
+ hw->addr_ctrl.rar_used_count -= hw->addr_ctrl.mc_addr_in_rar_count;
+ hw->addr_ctrl.mc_addr_in_rar_count = 0;
+ hw->addr_ctrl.mta_in_use = 0;
+
+ /* Zero out the other receive addresses. */
+ hw_dbg(hw, "Clearing RAR[1-15]\n");
+ for (i = hw->addr_ctrl.rar_used_count; i < rar_entries; i++) {
+ IXGBE_WRITE_REG(hw, IXGBE_RAL(i), 0);
+ IXGBE_WRITE_REG(hw, IXGBE_RAH(i), 0);
+ }
+
+ /* Clear the MTA */
+ hw_dbg(hw, " Clearing MTA\n");
+ for (i = 0; i < IXGBE_MC_TBL_SIZE; i++)
+ IXGBE_WRITE_REG(hw, IXGBE_MTA(i), 0);
+
+ /* Add the new addresses */
+ for (i = 0; i < mc_addr_count; i++) {
+ hw_dbg(hw, " Adding the multicast addresses:\n");
+ ixgbe_add_mc_addr(hw, mc_addr_list +
+ (i * (IXGBE_ETH_LENGTH_OF_ADDRESS + pad)));
+ }
+
+ /* Enable mta */
+ if (hw->addr_ctrl.mta_in_use > 0)
+ IXGBE_WRITE_REG(hw, IXGBE_MCSTCTRL,
+ IXGBE_MCSTCTRL_MFE | hw->mac.mc_filter_type);
+
+ hw_dbg(hw, "ixgbe_update_mc_addr_list Complete\n");
+ return 0;
+}
+
+/**
+ * ixgbe_clear_vfta - Clear VLAN filter table
+ * @hw: pointer to hardware structure
+ *
+ * Clears the VLAN filer table, and the VMDq index associated with the filter
+ **/
+static s32 ixgbe_clear_vfta(struct ixgbe_hw *hw)
+{
+ u32 offset;
+ u32 vlanbyte;
+
+ for (offset = 0; offset < IXGBE_VLAN_FILTER_TBL_SIZE; offset++)
+ IXGBE_WRITE_REG(hw, IXGBE_VFTA(offset), 0);
+
+ for (vlanbyte = 0; vlanbyte < 4; vlanbyte++)
+ for (offset = 0; offset < IXGBE_VLAN_FILTER_TBL_SIZE; offset++)
+ IXGBE_WRITE_REG(hw, IXGBE_VFTAVIND(vlanbyte, offset),
+ 0);
+
+ return 0;
+}
+
+/**
+ * ixgbe_set_vfta - Set VLAN filter table
+ * @hw: pointer to hardware structure
+ * @vlan: VLAN id to write to VLAN filter
+ * @vind: VMDq output index that maps queue to VLAN id in VFTA
+ * @vlan_on: boolean flag to turn on/off VLAN in VFTA
+ *
+ * Turn on/off specified VLAN in the VLAN filter table.
+ **/
+s32 ixgbe_set_vfta(struct ixgbe_hw *hw, u32 vlan, u32 vind,
+ bool vlan_on)
+{
+ u32 VftaIndex;
+ u32 BitOffset;
+ u32 VftaReg;
+ u32 VftaByte;
+
+ /* Determine 32-bit word position in array */
+ VftaIndex = (vlan >> 5) & 0x7F; /* upper seven bits */
+
+ /* Determine the location of the (VMD) queue index */
+ VftaByte = ((vlan >> 3) & 0x03); /* bits (4:3) indicating byte array */
+ BitOffset = (vlan & 0x7) << 2; /* lower 3 bits indicate nibble */
+
+ /* Set the nibble for VMD queue index */
+ VftaReg = IXGBE_READ_REG(hw, IXGBE_VFTAVIND(VftaByte, VftaIndex));
+ VftaReg &= (~(0x0F << BitOffset));
+ VftaReg |= (vind << BitOffset);
+ IXGBE_WRITE_REG(hw, IXGBE_VFTAVIND(VftaByte, VftaIndex), VftaReg);
+
+ /* Determine the location of the bit for this VLAN id */
+ BitOffset = vlan & 0x1F; /* lower five bits */
+
+ VftaReg = IXGBE_READ_REG(hw, IXGBE_VFTA(VftaIndex));
+ if (vlan_on)
+ /* Turn on this VLAN id */
+ VftaReg |= (1 << BitOffset);
+ else
+ /* Turn off this VLAN id */
+ VftaReg &= ~(1 << BitOffset);
+ IXGBE_WRITE_REG(hw, IXGBE_VFTA(VftaIndex), VftaReg);
+
+ return 0;
+}
+
+/**
+ * ixgbe_setup_fc - Configure flow control settings
+ * @hw: pointer to hardware structure
+ * @packetbuf_num: packet buffer number (0-7)
+ *
+ * Configures the flow control settings based on SW configuration.
+ * This function is used for 802.3x flow control configuration only.
+ **/
+s32 ixgbe_setup_fc(struct ixgbe_hw *hw, s32 packetbuf_num)
+{
+ u32 frctl_reg;
+ u32 rmcs_reg;
+
+ if (packetbuf_num < 0 || packetbuf_num > 7)
+ hw_dbg(hw, "Invalid packet buffer number [%d], expected range"
+ "is 0-7\n", packetbuf_num);
+
+ frctl_reg = IXGBE_READ_REG(hw, IXGBE_FCTRL);
+ frctl_reg &= ~(IXGBE_FCTRL_RFCE | IXGBE_FCTRL_RPFCE);
+
+ rmcs_reg = IXGBE_READ_REG(hw, IXGBE_RMCS);
+ rmcs_reg &= ~(IXGBE_RMCS_TFCE_PRIORITY | IXGBE_RMCS_TFCE_802_3X);
+
+ /*
+ * We want to save off the original Flow Control configuration just in
+ * case we get disconnected and then reconnected into a different hub
+ * or switch with different Flow Control capabilities.
+ */
+ hw->fc.type = hw->fc.original_type;
+
+ /*
+ * The possible values of the "flow_control" parameter are:
+ * 0: Flow control is completely disabled
+ * 1: Rx flow control is enabled (we can receive pause frames but not
+ * send pause frames).
+ * 2: Tx flow control is enabled (we can send pause frames but we do not
+ * support receiving pause frames)
+ * 3: Both Rx and TX flow control (symmetric) are enabled.
+ * other: Invalid.
+ */
+ switch (hw->fc.type) {
+ case ixgbe_fc_none:
+ break;
+ case ixgbe_fc_rx_pause:
+ /*
+ * RX Flow control is enabled,
+ * and TX Flow control is disabled.
+ */
+ frctl_reg |= IXGBE_FCTRL_RFCE;
+ break;
+ case ixgbe_fc_tx_pause:
+ /*
+ * TX Flow control is enabled, and RX Flow control is disabled,
+ * by a software over-ride.
+ */
+ rmcs_reg |= IXGBE_RMCS_TFCE_802_3X;
+ break;
+ case ixgbe_fc_full:
+ /*
+ * Flow control (both RX and TX) is enabled by a software
+ * over-ride.
+ */
+ frctl_reg |= IXGBE_FCTRL_RFCE;
+ rmcs_reg |= IXGBE_RMCS_TFCE_802_3X;
+ break;
+ default:
+ /* We should never get here. The value should be 0-3. */
+ hw_dbg(hw, "Flow control param set incorrectly\n");
+ break;
+ }
+
+ /* Enable 802.3x based flow control settings. */
+ IXGBE_WRITE_REG(hw, IXGBE_FCTRL, frctl_reg);
+ IXGBE_WRITE_REG(hw, IXGBE_RMCS, rmcs_reg);
+
+ /*
+ * We need to set up the Receive Threshold high and low water
+ * marks as well as (optionally) enabling the transmission of
+ * XON frames.
+ */
+ if (hw->fc.type & ixgbe_fc_tx_pause) {
+ if (hw->fc.send_xon) {
+ IXGBE_WRITE_REG(hw, IXGBE_FCRTL(packetbuf_num),
+ (hw->fc.low_water | IXGBE_FCRTL_XONE));
+ } else {
+ IXGBE_WRITE_REG(hw, IXGBE_FCRTL(packetbuf_num),
+ hw->fc.low_water);
+ }
+ IXGBE_WRITE_REG(hw, IXGBE_FCRTH(packetbuf_num),
+ (hw->fc.high_water)|IXGBE_FCRTH_FCEN);
+ }
+
+ IXGBE_WRITE_REG(hw, IXGBE_FCTTV(0), hw->fc.pause_time);
+ IXGBE_WRITE_REG(hw, IXGBE_FCRTV, (hw->fc.pause_time >> 1));
+
+ return 0;
+}
+
+/**
+ * ixgbe_disable_pcie_master - Disable PCI-express master access
+ * @hw: pointer to hardware structure
+ *
+ * Disables PCI-Express master access and verifies there are no pending
+ * requests. IXGBE_ERR_MASTER_REQUESTS_PENDING is returned if master disable
+ * bit hasn't caused the master requests to be disabled, else 0
+ * is returned signifying master requests disabled.
+ **/
+s32 ixgbe_disable_pcie_master(struct ixgbe_hw *hw)
+{
+ u32 ctrl;
+ s32 i;
+ s32 status = IXGBE_ERR_MASTER_REQUESTS_PENDING;
+
+ ctrl = IXGBE_READ_REG(hw, IXGBE_CTRL);
+ ctrl |= IXGBE_CTRL_GIO_DIS;
+ IXGBE_WRITE_REG(hw, IXGBE_CTRL, ctrl);
+
+ for (i = 0; i < IXGBE_PCI_MASTER_DISABLE_TIMEOUT; i++) {
+ if (!(IXGBE_READ_REG(hw, IXGBE_STATUS) & IXGBE_STATUS_GIO)) {
+ status = 0;
+ break;
+ }
+ udelay(100);
+ }
+
+ return status;
+}
+
+
+/**
+ * ixgbe_acquire_swfw_sync - Aquire SWFW semaphore
+ * @hw: pointer to hardware structure
+ * @mask: Mask to specify wich semaphore to acquire
+ *
+ * Aquires the SWFW semaphore throught the GSSR register for the specified
+ * function (CSR, PHY0, PHY1, EEPROM, Flash)
+ **/
+s32 ixgbe_acquire_swfw_sync(struct ixgbe_hw *hw, u16 mask)
+{
+ u32 gssr;
+ u32 swmask = mask;
+ u32 fwmask = mask << 5;
+ s32 timeout = 200;
+
+ while (timeout) {
+ if (ixgbe_get_eeprom_semaphore(hw))
+ return -IXGBE_ERR_SWFW_SYNC;
+
+ gssr = IXGBE_READ_REG(hw, IXGBE_GSSR);
+ if (!(gssr & (fwmask | swmask)))
+ break;
+
+ /*
+ * Firmware currently using resource (fwmask) or other software
+ * thread currently using resource (swmask)
+ */
+ ixgbe_release_eeprom_semaphore(hw);
+ msleep(5);
+ timeout--;
+ }
+
+ if (!timeout) {
+ hw_dbg(hw, "Driver can't access resource, GSSR timeout.\n");
+ return -IXGBE_ERR_SWFW_SYNC;
+ }
+
+ gssr |= swmask;
+ IXGBE_WRITE_REG(hw, IXGBE_GSSR, gssr);
+
+ ixgbe_release_eeprom_semaphore(hw);
+ return 0;
+}
+
+/**
+ * ixgbe_release_swfw_sync - Release SWFW semaphore
+ * @hw: pointer to hardware structure
+ * @mask: Mask to specify wich semaphore to release
+ *
+ * Releases the SWFW semaphore throught the GSSR register for the specified
+ * function (CSR, PHY0, PHY1, EEPROM, Flash)
+ **/
+void ixgbe_release_swfw_sync(struct ixgbe_hw *hw, u16 mask)
+{
+ u32 gssr;
+ u32 swmask = mask;
+
+ ixgbe_get_eeprom_semaphore(hw);
+
+ gssr = IXGBE_READ_REG(hw, IXGBE_GSSR);
+ gssr &= ~swmask;
+ IXGBE_WRITE_REG(hw, IXGBE_GSSR, gssr);
+
+ ixgbe_release_eeprom_semaphore(hw);
+}
+
+/**
+ * ixgbe_read_analog_reg8- Reads 8 bit 82598 Atlas analog register
+ * @hw: pointer to hardware structure
+ * @reg: analog register to read
+ * @val: read value
+ *
+ * Performs write operation to analog register specified.
+ **/
+s32 ixgbe_read_analog_reg8(struct ixgbe_hw *hw, u32 reg, u8 *val)
+{
+ u32 atlas_ctl;
+
+ IXGBE_WRITE_REG(hw, IXGBE_ATLASCTL,
+ IXGBE_ATLASCTL_WRITE_CMD | (reg << 8));
+ IXGBE_WRITE_FLUSH(hw);
+ udelay(10);
+ atlas_ctl = IXGBE_READ_REG(hw, IXGBE_ATLASCTL);
+ *val = (u8)atlas_ctl;
+
+ return 0;
+}
+
+/**
+ * ixgbe_write_analog_reg8- Writes 8 bit Atlas analog register
+ * @hw: pointer to hardware structure
+ * @reg: atlas register to write
+ * @val: value to write
+ *
+ * Performs write operation to Atlas analog register specified.
+ **/
+s32 ixgbe_write_analog_reg8(struct ixgbe_hw *hw, u32 reg, u8 val)
+{
+ u32 atlas_ctl;
+
+ atlas_ctl = (reg << 8) | val;
+ IXGBE_WRITE_REG(hw, IXGBE_ATLASCTL, atlas_ctl);
+ IXGBE_WRITE_FLUSH(hw);
+ udelay(10);
+
+ return 0;
+}
+
--- /dev/null
+/*******************************************************************************
+
+ Intel 10 Gigabit PCI Express Linux driver
+ Copyright(c) 1999 - 2007 Intel Corporation.
+
+ This program is free software; you can redistribute it and/or modify it
+ under the terms and conditions of the GNU General Public License,
+ version 2, as published by the Free Software Foundation.
+
+ This program is distributed in the hope 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.,
+ 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+
+ The full GNU General Public License is included in this distribution in
+ the file called "COPYING".
+
+ Contact Information:
+ Linux NICS <linux.nics@intel.com>
+ e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
+ Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
+
+*******************************************************************************/
+
+#ifndef _IXGBE_COMMON_H_
+#define _IXGBE_COMMON_H_
+
+#include "ixgbe_type.h"
+
+s32 ixgbe_init_hw(struct ixgbe_hw *hw);
+s32 ixgbe_start_hw(struct ixgbe_hw *hw);
+s32 ixgbe_get_mac_addr(struct ixgbe_hw *hw, u8 *mac_addr);
+s32 ixgbe_stop_adapter(struct ixgbe_hw *hw);
+s32 ixgbe_read_part_num(struct ixgbe_hw *hw, u32 *part_num);
+
+s32 ixgbe_led_on(struct ixgbe_hw *hw, u32 index);
+s32 ixgbe_led_off(struct ixgbe_hw *hw, u32 index);
+
+s32 ixgbe_init_eeprom(struct ixgbe_hw *hw);
+s32 ixgbe_read_eeprom(struct ixgbe_hw *hw, u16 offset, u16 *data);
+s32 ixgbe_validate_eeprom_checksum(struct ixgbe_hw *hw, u16 *checksum_val);
+
+s32 ixgbe_set_rar(struct ixgbe_hw *hw, u32 index, u8 *addr, u32 vind,
+ u32 enable_addr);
+s32 ixgbe_update_mc_addr_list(struct ixgbe_hw *hw, u8 *mc_addr_list,
+ u32 mc_addr_count, u32 pad);
+s32 ixgbe_set_vfta(struct ixgbe_hw *hw, u32 vlan, u32 vind, bool vlan_on);
+s32 ixgbe_validate_mac_addr(u8 *mac_addr);
+
+s32 ixgbe_setup_fc(struct ixgbe_hw *hw, s32 packtetbuf_num);
+
+s32 ixgbe_acquire_swfw_sync(struct ixgbe_hw *hw, u16 mask);
+void ixgbe_release_swfw_sync(struct ixgbe_hw *hw, u16 mask);
+s32 ixgbe_disable_pcie_master(struct ixgbe_hw *hw);
+
+s32 ixgbe_read_analog_reg8(struct ixgbe_hw *hw, u32 reg, u8 *val);
+s32 ixgbe_write_analog_reg8(struct ixgbe_hw *hw, u32 reg, u8 val);
+
+#define IXGBE_WRITE_REG(a, reg, value) writel((value), ((a)->hw_addr + (reg)))
+
+#define IXGBE_READ_REG(a, reg) readl((a)->hw_addr + (reg))
+
+#define IXGBE_WRITE_REG_ARRAY(a, reg, offset, value) (\
+ writel((value), ((a)->hw_addr + (reg) + ((offset) << 2))))
+
+#define IXGBE_READ_REG_ARRAY(a, reg, offset) (\
+ readl((a)->hw_addr + (reg) + ((offset) << 2)))
+
+#define IXGBE_WRITE_FLUSH(a) IXGBE_READ_REG(a, IXGBE_STATUS)
+
+#ifdef DEBUG
+#define hw_dbg(hw, format, arg...) \
+printk(KERN_DEBUG, "%s: " format, ixgbe_get_hw_dev_name(hw), ##arg);
+#else
+static inline int __attribute__ ((format (printf, 2, 3)))
+hw_dbg(struct ixgbe_hw *hw, const char *format, ...)
+{
+ return 0;
+}
+#endif
+
+#endif /* IXGBE_COMMON */
--- /dev/null
+/*******************************************************************************
+
+ Intel 10 Gigabit PCI Express Linux driver
+ Copyright(c) 1999 - 2007 Intel Corporation.
+
+ This program is free software; you can redistribute it and/or modify it
+ under the terms and conditions of the GNU General Public License,
+ version 2, as published by the Free Software Foundation.
+
+ This program is distributed in the hope 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.,
+ 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+
+ The full GNU General Public License is included in this distribution in
+ the file called "COPYING".
+
+ Contact Information:
+ Linux NICS <linux.nics@intel.com>
+ e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
+ Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
+
+*******************************************************************************/
+
+/* ethtool support for ixgbe */
+
+#include <linux/types.h>
+#include <linux/module.h>
+#include <linux/pci.h>
+#include <linux/netdevice.h>
+#include <linux/ethtool.h>
+#include <linux/vmalloc.h>
+#include <linux/uaccess.h>
+
+#include "ixgbe.h"
+
+
+#define IXGBE_ALL_RAR_ENTRIES 16
+
+struct ixgbe_stats {
+ char stat_string[ETH_GSTRING_LEN];
+ int sizeof_stat;
+ int stat_offset;
+};
+
+#define IXGBE_STAT(m) sizeof(((struct ixgbe_adapter *)0)->m), \
+ offsetof(struct ixgbe_adapter, m)
+static struct ixgbe_stats ixgbe_gstrings_stats[] = {
+ {"rx_packets", IXGBE_STAT(net_stats.rx_packets)},
+ {"tx_packets", IXGBE_STAT(net_stats.tx_packets)},
+ {"rx_bytes", IXGBE_STAT(net_stats.rx_bytes)},
+ {"tx_bytes", IXGBE_STAT(net_stats.tx_bytes)},
+ {"lsc_int", IXGBE_STAT(lsc_int)},
+ {"tx_busy", IXGBE_STAT(tx_busy)},
+ {"non_eop_descs", IXGBE_STAT(non_eop_descs)},
+ {"rx_errors", IXGBE_STAT(net_stats.rx_errors)},
+ {"tx_errors", IXGBE_STAT(net_stats.tx_errors)},
+ {"rx_dropped", IXGBE_STAT(net_stats.rx_dropped)},
+ {"tx_dropped", IXGBE_STAT(net_stats.tx_dropped)},
+ {"multicast", IXGBE_STAT(net_stats.multicast)},
+ {"broadcast", IXGBE_STAT(stats.bprc)},
+ {"rx_no_buffer_count", IXGBE_STAT(stats.rnbc[0]) },
+ {"collisions", IXGBE_STAT(net_stats.collisions)},
+ {"rx_over_errors", IXGBE_STAT(net_stats.rx_over_errors)},
+ {"rx_crc_errors", IXGBE_STAT(net_stats.rx_crc_errors)},
+ {"rx_frame_errors", IXGBE_STAT(net_stats.rx_frame_errors)},
+ {"rx_fifo_errors", IXGBE_STAT(net_stats.rx_fifo_errors)},
+ {"rx_missed_errors", IXGBE_STAT(net_stats.rx_missed_errors)},
+ {"tx_aborted_errors", IXGBE_STAT(net_stats.tx_aborted_errors)},
+ {"tx_carrier_errors", IXGBE_STAT(net_stats.tx_carrier_errors)},
+ {"tx_fifo_errors", IXGBE_STAT(net_stats.tx_fifo_errors)},
+ {"tx_heartbeat_errors", IXGBE_STAT(net_stats.tx_heartbeat_errors)},
+ {"tx_timeout_count", IXGBE_STAT(tx_timeout_count)},
+ {"tx_restart_queue", IXGBE_STAT(restart_queue)},
+ {"rx_long_length_errors", IXGBE_STAT(stats.roc)},
+ {"rx_short_length_errors", IXGBE_STAT(stats.ruc)},
+ {"tx_tcp4_seg_ctxt", IXGBE_STAT(hw_tso_ctxt)},
+ {"tx_tcp6_seg_ctxt", IXGBE_STAT(hw_tso6_ctxt)},
+ {"tx_flow_control_xon", IXGBE_STAT(stats.lxontxc)},
+ {"rx_flow_control_xon", IXGBE_STAT(stats.lxonrxc)},
+ {"tx_flow_control_xoff", IXGBE_STAT(stats.lxofftxc)},
+ {"rx_flow_control_xoff", IXGBE_STAT(stats.lxoffrxc)},
+ {"rx_csum_offload_good", IXGBE_STAT(hw_csum_rx_good)},
+ {"rx_csum_offload_errors", IXGBE_STAT(hw_csum_rx_error)},
+ {"tx_csum_offload_ctxt", IXGBE_STAT(hw_csum_tx_good)},
+ {"rx_header_split", IXGBE_STAT(rx_hdr_split)},
+ {"alloc_rx_page_failed", IXGBE_STAT(alloc_rx_page_failed)},
+ {"alloc_rx_buff_failed", IXGBE_STAT(alloc_rx_buff_failed)},
+};
+
+#define IXGBE_QUEUE_STATS_LEN \
+ ((((struct ixgbe_adapter *)netdev->priv)->num_tx_queues + \
+ ((struct ixgbe_adapter *)netdev->priv)->num_rx_queues) * \
+ (sizeof(struct ixgbe_queue_stats) / sizeof(u64)))
+#define IXGBE_GLOBAL_STATS_LEN \
+ sizeof(ixgbe_gstrings_stats) / sizeof(struct ixgbe_stats)
+#define IXGBE_STATS_LEN (IXGBE_GLOBAL_STATS_LEN + IXGBE_QUEUE_STATS_LEN)
+
+static int ixgbe_get_settings(struct net_device *netdev,
+ struct ethtool_cmd *ecmd)
+{
+ struct ixgbe_adapter *adapter = netdev_priv(netdev);
+
+ ecmd->supported = (SUPPORTED_10000baseT_Full | SUPPORTED_FIBRE);
+ ecmd->advertising = (ADVERTISED_10000baseT_Full | ADVERTISED_FIBRE);
+ ecmd->port = PORT_FIBRE;
+ ecmd->transceiver = XCVR_EXTERNAL;
+
+ if (netif_carrier_ok(adapter->netdev)) {
+ ecmd->speed = SPEED_10000;
+ ecmd->duplex = DUPLEX_FULL;
+ } else {
+ ecmd->speed = -1;
+ ecmd->duplex = -1;
+ }
+
+ ecmd->autoneg = AUTONEG_DISABLE;
+ return 0;
+}
+
+static int ixgbe_set_settings(struct net_device *netdev,
+ struct ethtool_cmd *ecmd)
+{
+ struct ixgbe_adapter *adapter = netdev_priv(netdev);
+
+ if (ecmd->autoneg == AUTONEG_ENABLE ||
+ ecmd->speed + ecmd->duplex != SPEED_10000 + DUPLEX_FULL)
+ return -EINVAL;
+
+ if (netif_running(adapter->netdev)) {
+ ixgbe_down(adapter);
+ ixgbe_reset(adapter);
+ ixgbe_up(adapter);
+ } else {
+ ixgbe_reset(adapter);
+ }
+
+ return 0;
+}
+
+static void ixgbe_get_pauseparam(struct net_device *netdev,
+ struct ethtool_pauseparam *pause)
+{
+ struct ixgbe_adapter *adapter = netdev_priv(netdev);
+ struct ixgbe_hw *hw = &adapter->hw;
+
+ pause->autoneg = AUTONEG_DISABLE;
+
+ if (hw->fc.type == ixgbe_fc_rx_pause) {
+ pause->rx_pause = 1;
+ } else if (hw->fc.type == ixgbe_fc_tx_pause) {
+ pause->tx_pause = 1;
+ } else if (hw->fc.type == ixgbe_fc_full) {
+ pause->rx_pause = 1;
+ pause->tx_pause = 1;
+ }
+}
+
+static int ixgbe_set_pauseparam(struct net_device *netdev,
+ struct ethtool_pauseparam *pause)
+{
+ struct ixgbe_adapter *adapter = netdev_priv(netdev);
+ struct ixgbe_hw *hw = &adapter->hw;
+
+ if (pause->autoneg == AUTONEG_ENABLE)
+ return -EINVAL;
+
+ if (pause->rx_pause && pause->tx_pause)
+ hw->fc.type = ixgbe_fc_full;
+ else if (pause->rx_pause && !pause->tx_pause)
+ hw->fc.type = ixgbe_fc_rx_pause;
+ else if (!pause->rx_pause && pause->tx_pause)
+ hw->fc.type = ixgbe_fc_tx_pause;
+ else if (!pause->rx_pause && !pause->tx_pause)
+ hw->fc.type = ixgbe_fc_none;
+
+ hw->fc.original_type = hw->fc.type;
+
+ if (netif_running(adapter->netdev)) {
+ ixgbe_down(adapter);
+ ixgbe_up(adapter);
+ } else {
+ ixgbe_reset(adapter);
+ }
+
+ return 0;
+}
+
+static u32 ixgbe_get_rx_csum(struct net_device *netdev)
+{
+ struct ixgbe_adapter *adapter = netdev_priv(netdev);
+ return (adapter->flags & IXGBE_FLAG_RX_CSUM_ENABLED);
+}
+
+static int ixgbe_set_rx_csum(struct net_device *netdev, u32 data)
+{
+ struct ixgbe_adapter *adapter = netdev_priv(netdev);
+ if (data)
+ adapter->flags |= IXGBE_FLAG_RX_CSUM_ENABLED;
+ else
+ adapter->flags &= ~IXGBE_FLAG_RX_CSUM_ENABLED;
+
+ if (netif_running(netdev)) {
+ ixgbe_down(adapter);
+ ixgbe_up(adapter);
+ } else {
+ ixgbe_reset(adapter);
+ }
+
+ return 0;
+}
+
+static u32 ixgbe_get_tx_csum(struct net_device *netdev)
+{
+ return (netdev->features & NETIF_F_HW_CSUM) != 0;
+}
+
+static int ixgbe_set_tx_csum(struct net_device *netdev, u32 data)
+{
+ if (data)
+ netdev->features |= NETIF_F_HW_CSUM;
+ else
+ netdev->features &= ~NETIF_F_HW_CSUM;
+
+ return 0;
+}
+
+static int ixgbe_set_tso(struct net_device *netdev, u32 data)
+{
+
+ if (data) {
+ netdev->features |= NETIF_F_TSO;
+ netdev->features |= NETIF_F_TSO6;
+ } else {
+ netdev->features &= ~NETIF_F_TSO;
+ netdev->features &= ~NETIF_F_TSO6;
+ }
+ return 0;
+}
+
+static u32 ixgbe_get_msglevel(struct net_device *netdev)
+{
+ struct ixgbe_adapter *adapter = netdev_priv(netdev);
+ return adapter->msg_enable;
+}
+
+static void ixgbe_set_msglevel(struct net_device *netdev, u32 data)
+{
+ struct ixgbe_adapter *adapter = netdev_priv(netdev);
+ adapter->msg_enable = data;
+}
+
+static int ixgbe_get_regs_len(struct net_device *netdev)
+{
+#define IXGBE_REGS_LEN 1128
+ return IXGBE_REGS_LEN * sizeof(u32);
+}
+
+#define IXGBE_GET_STAT(_A_, _R_) _A_->stats._R_
+
+static void ixgbe_get_regs(struct net_device *netdev,
+ struct ethtool_regs *regs, void *p)
+{
+ struct ixgbe_adapter *adapter = netdev_priv(netdev);
+ struct ixgbe_hw *hw = &adapter->hw;
+ u32 *regs_buff = p;
+ u8 i;
+
+ memset(p, 0, IXGBE_REGS_LEN * sizeof(u32));
+
+ regs->version = (1 << 24) | hw->revision_id << 16 | hw->device_id;
+
+ /* General Registers */
+ regs_buff[0] = IXGBE_READ_REG(hw, IXGBE_CTRL);
+ regs_buff[1] = IXGBE_READ_REG(hw, IXGBE_STATUS);
+ regs_buff[2] = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT);
+ regs_buff[3] = IXGBE_READ_REG(hw, IXGBE_ESDP);
+ regs_buff[4] = IXGBE_READ_REG(hw, IXGBE_EODSDP);
+ regs_buff[5] = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
+ regs_buff[6] = IXGBE_READ_REG(hw, IXGBE_FRTIMER);
+ regs_buff[7] = IXGBE_READ_REG(hw, IXGBE_TCPTIMER);
+
+ /* NVM Register */
+ regs_buff[8] = IXGBE_READ_REG(hw, IXGBE_EEC);
+ regs_buff[9] = IXGBE_READ_REG(hw, IXGBE_EERD);
+ regs_buff[10] = IXGBE_READ_REG(hw, IXGBE_FLA);
+ regs_buff[11] = IXGBE_READ_REG(hw, IXGBE_EEMNGCTL);
+ regs_buff[12] = IXGBE_READ_REG(hw, IXGBE_EEMNGDATA);
+ regs_buff[13] = IXGBE_READ_REG(hw, IXGBE_FLMNGCTL);
+ regs_buff[14] = IXGBE_READ_REG(hw, IXGBE_FLMNGDATA);
+ regs_buff[15] = IXGBE_READ_REG(hw, IXGBE_FLMNGCNT);
+ regs_buff[16] = IXGBE_READ_REG(hw, IXGBE_FLOP);
+ regs_buff[17] = IXGBE_READ_REG(hw, IXGBE_GRC);
+
+ /* Interrupt */
+ regs_buff[18] = IXGBE_READ_REG(hw, IXGBE_EICR);
+ regs_buff[19] = IXGBE_READ_REG(hw, IXGBE_EICS);
+ regs_buff[20] = IXGBE_READ_REG(hw, IXGBE_EIMS);
+ regs_buff[21] = IXGBE_READ_REG(hw, IXGBE_EIMC);
+ regs_buff[22] = IXGBE_READ_REG(hw, IXGBE_EIAC);
+ regs_buff[23] = IXGBE_READ_REG(hw, IXGBE_EIAM);
+ regs_buff[24] = IXGBE_READ_REG(hw, IXGBE_EITR(0));
+ regs_buff[25] = IXGBE_READ_REG(hw, IXGBE_IVAR(0));
+ regs_buff[26] = IXGBE_READ_REG(hw, IXGBE_MSIXT);
+ regs_buff[27] = IXGBE_READ_REG(hw, IXGBE_MSIXPBA);
+ regs_buff[28] = IXGBE_READ_REG(hw, IXGBE_PBACL);
+ regs_buff[29] = IXGBE_READ_REG(hw, IXGBE_GPIE);
+
+ /* Flow Control */
+ regs_buff[30] = IXGBE_READ_REG(hw, IXGBE_PFCTOP);
+ regs_buff[31] = IXGBE_READ_REG(hw, IXGBE_FCTTV(0));
+ regs_buff[32] = IXGBE_READ_REG(hw, IXGBE_FCTTV(1));
+ regs_buff[33] = IXGBE_READ_REG(hw, IXGBE_FCTTV(2));
+ regs_buff[34] = IXGBE_READ_REG(hw, IXGBE_FCTTV(3));
+ for (i = 0; i < 8; i++)
+ regs_buff[35 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTL(i));
+ for (i = 0; i < 8; i++)
+ regs_buff[43 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTH(i));
+ regs_buff[51] = IXGBE_READ_REG(hw, IXGBE_FCRTV);
+ regs_buff[52] = IXGBE_READ_REG(hw, IXGBE_TFCS);
+
+ /* Receive DMA */
+ for (i = 0; i < 64; i++)
+ regs_buff[53 + i] = IXGBE_READ_REG(hw, IXGBE_RDBAL(i));
+ for (i = 0; i < 64; i++)
+ regs_buff[117 + i] = IXGBE_READ_REG(hw, IXGBE_RDBAH(i));
+ for (i = 0; i < 64; i++)
+ regs_buff[181 + i] = IXGBE_READ_REG(hw, IXGBE_RDLEN(i));
+ for (i = 0; i < 64; i++)
+ regs_buff[245 + i] = IXGBE_READ_REG(hw, IXGBE_RDH(i));
+ for (i = 0; i < 64; i++)
+ regs_buff[309 + i] = IXGBE_READ_REG(hw, IXGBE_RDT(i));
+ for (i = 0; i < 64; i++)
+ regs_buff[373 + i] = IXGBE_READ_REG(hw, IXGBE_RXDCTL(i));
+ for (i = 0; i < 16; i++)
+ regs_buff[437 + i] = IXGBE_READ_REG(hw, IXGBE_SRRCTL(i));
+ for (i = 0; i < 16; i++)
+ regs_buff[453 + i] = IXGBE_READ_REG(hw, IXGBE_DCA_RXCTRL(i));
+ regs_buff[469] = IXGBE_READ_REG(hw, IXGBE_RDRXCTL);
+ for (i = 0; i < 8; i++)
+ regs_buff[470 + i] = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(i));
+ regs_buff[478] = IXGBE_READ_REG(hw, IXGBE_RXCTRL);
+ regs_buff[479] = IXGBE_READ_REG(hw, IXGBE_DROPEN);
+
+ /* Receive */
+ regs_buff[480] = IXGBE_READ_REG(hw, IXGBE_RXCSUM);
+ regs_buff[481] = IXGBE_READ_REG(hw, IXGBE_RFCTL);
+ for (i = 0; i < 16; i++)
+ regs_buff[482 + i] = IXGBE_READ_REG(hw, IXGBE_RAL(i));
+ for (i = 0; i < 16; i++)
+ regs_buff[498 + i] = IXGBE_READ_REG(hw, IXGBE_RAH(i));
+ regs_buff[514] = IXGBE_READ_REG(hw, IXGBE_PSRTYPE);
+ regs_buff[515] = IXGBE_READ_REG(hw, IXGBE_FCTRL);
+ regs_buff[516] = IXGBE_READ_REG(hw, IXGBE_VLNCTRL);
+ regs_buff[517] = IXGBE_READ_REG(hw, IXGBE_MCSTCTRL);
+ regs_buff[518] = IXGBE_READ_REG(hw, IXGBE_MRQC);
+ regs_buff[519] = IXGBE_READ_REG(hw, IXGBE_VMD_CTL);
+ for (i = 0; i < 8; i++)
+ regs_buff[520 + i] = IXGBE_READ_REG(hw, IXGBE_IMIR(i));
+ for (i = 0; i < 8; i++)
+ regs_buff[528 + i] = IXGBE_READ_REG(hw, IXGBE_IMIREXT(i));
+ regs_buff[536] = IXGBE_READ_REG(hw, IXGBE_IMIRVP);
+
+ /* Transmit */
+ for (i = 0; i < 32; i++)
+ regs_buff[537 + i] = IXGBE_READ_REG(hw, IXGBE_TDBAL(i));
+ for (i = 0; i < 32; i++)
+ regs_buff[569 + i] = IXGBE_READ_REG(hw, IXGBE_TDBAH(i));
+ for (i = 0; i < 32; i++)
+ regs_buff[601 + i] = IXGBE_READ_REG(hw, IXGBE_TDLEN(i));
+ for (i = 0; i < 32; i++)
+ regs_buff[633 + i] = IXGBE_READ_REG(hw, IXGBE_TDH(i));
+ for (i = 0; i < 32; i++)
+ regs_buff[665 + i] = IXGBE_READ_REG(hw, IXGBE_TDT(i));
+ for (i = 0; i < 32; i++)
+ regs_buff[697 + i] = IXGBE_READ_REG(hw, IXGBE_TXDCTL(i));
+ for (i = 0; i < 32; i++)
+ regs_buff[729 + i] = IXGBE_READ_REG(hw, IXGBE_TDWBAL(i));
+ for (i = 0; i < 32; i++)
+ regs_buff[761 + i] = IXGBE_READ_REG(hw, IXGBE_TDWBAH(i));
+ regs_buff[793] = IXGBE_READ_REG(hw, IXGBE_DTXCTL);
+ for (i = 0; i < 16; i++)
+ regs_buff[794 + i] = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL(i));
+ regs_buff[810] = IXGBE_READ_REG(hw, IXGBE_TIPG);
+ for (i = 0; i < 8; i++)
+ regs_buff[811 + i] = IXGBE_READ_REG(hw, IXGBE_TXPBSIZE(i));
+ regs_buff[819] = IXGBE_READ_REG(hw, IXGBE_MNGTXMAP);
+
+ /* Wake Up */
+ regs_buff[820] = IXGBE_READ_REG(hw, IXGBE_WUC);
+ regs_buff[821] = IXGBE_READ_REG(hw, IXGBE_WUFC);
+ regs_buff[822] = IXGBE_READ_REG(hw, IXGBE_WUS);
+ regs_buff[823] = IXGBE_READ_REG(hw, IXGBE_IPAV);
+ regs_buff[824] = IXGBE_READ_REG(hw, IXGBE_IP4AT);
+ regs_buff[825] = IXGBE_READ_REG(hw, IXGBE_IP6AT);
+ regs_buff[826] = IXGBE_READ_REG(hw, IXGBE_WUPL);
+ regs_buff[827] = IXGBE_READ_REG(hw, IXGBE_WUPM);
+ regs_buff[828] = IXGBE_READ_REG(hw, IXGBE_FHFT);
+
+ /* DCE */
+ regs_buff[829] = IXGBE_READ_REG(hw, IXGBE_RMCS);
+ regs_buff[830] = IXGBE_READ_REG(hw, IXGBE_DPMCS);
+ regs_buff[831] = IXGBE_READ_REG(hw, IXGBE_PDPMCS);
+ regs_buff[832] = IXGBE_READ_REG(hw, IXGBE_RUPPBMR);
+ for (i = 0; i < 8; i++)
+ regs_buff[833 + i] = IXGBE_READ_REG(hw, IXGBE_RT2CR(i));
+ for (i = 0; i < 8; i++)
+ regs_buff[841 + i] = IXGBE_READ_REG(hw, IXGBE_RT2SR(i));
+ for (i = 0; i < 8; i++)
+ regs_buff[849 + i] = IXGBE_READ_REG(hw, IXGBE_TDTQ2TCCR(i));
+ for (i = 0; i < 8; i++)
+ regs_buff[857 + i] = IXGBE_READ_REG(hw, IXGBE_TDTQ2TCSR(i));
+ for (i = 0; i < 8; i++)
+ regs_buff[865 + i] = IXGBE_READ_REG(hw, IXGBE_TDPT2TCCR(i));
+ for (i = 0; i < 8; i++)
+ regs_buff[873 + i] = IXGBE_READ_REG(hw, IXGBE_TDPT2TCSR(i));
+
+ /* Statistics */
+ regs_buff[881] = IXGBE_GET_STAT(adapter, crcerrs);
+ regs_buff[882] = IXGBE_GET_STAT(adapter, illerrc);
+ regs_buff[883] = IXGBE_GET_STAT(adapter, errbc);
+ regs_buff[884] = IXGBE_GET_STAT(adapter, mspdc);
+ for (i = 0; i < 8; i++)
+ regs_buff[885 + i] = IXGBE_GET_STAT(adapter, mpc[i]);
+ regs_buff[893] = IXGBE_GET_STAT(adapter, mlfc);
+ regs_buff[894] = IXGBE_GET_STAT(adapter, mrfc);
+ regs_buff[895] = IXGBE_GET_STAT(adapter, rlec);
+ regs_buff[896] = IXGBE_GET_STAT(adapter, lxontxc);
+ regs_buff[897] = IXGBE_GET_STAT(adapter, lxonrxc);
+ regs_buff[898] = IXGBE_GET_STAT(adapter, lxofftxc);
+ regs_buff[899] = IXGBE_GET_STAT(adapter, lxoffrxc);
+ for (i = 0; i < 8; i++)
+ regs_buff[900 + i] = IXGBE_GET_STAT(adapter, pxontxc[i]);
+ for (i = 0; i < 8; i++)
+ regs_buff[908 + i] = IXGBE_GET_STAT(adapter, pxonrxc[i]);
+ for (i = 0; i < 8; i++)
+ regs_buff[916 + i] = IXGBE_GET_STAT(adapter, pxofftxc[i]);
+ for (i = 0; i < 8; i++)
+ regs_buff[924 + i] = IXGBE_GET_STAT(adapter, pxoffrxc[i]);
+ regs_buff[932] = IXGBE_GET_STAT(adapter, prc64);
+ regs_buff[933] = IXGBE_GET_STAT(adapter, prc127);
+ regs_buff[934] = IXGBE_GET_STAT(adapter, prc255);
+ regs_buff[935] = IXGBE_GET_STAT(adapter, prc511);
+ regs_buff[936] = IXGBE_GET_STAT(adapter, prc1023);
+ regs_buff[937] = IXGBE_GET_STAT(adapter, prc1522);
+ regs_buff[938] = IXGBE_GET_STAT(adapter, gprc);
+ regs_buff[939] = IXGBE_GET_STAT(adapter, bprc);
+ regs_buff[940] = IXGBE_GET_STAT(adapter, mprc);
+ regs_buff[941] = IXGBE_GET_STAT(adapter, gptc);
+ regs_buff[942] = IXGBE_GET_STAT(adapter, gorc);
+ regs_buff[944] = IXGBE_GET_STAT(adapter, gotc);
+ for (i = 0; i < 8; i++)
+ regs_buff[946 + i] = IXGBE_GET_STAT(adapter, rnbc[i]);
+ regs_buff[954] = IXGBE_GET_STAT(adapter, ruc);
+ regs_buff[955] = IXGBE_GET_STAT(adapter, rfc);
+ regs_buff[956] = IXGBE_GET_STAT(adapter, roc);
+ regs_buff[957] = IXGBE_GET_STAT(adapter, rjc);
+ regs_buff[958] = IXGBE_GET_STAT(adapter, mngprc);
+ regs_buff[959] = IXGBE_GET_STAT(adapter, mngpdc);
+ regs_buff[960] = IXGBE_GET_STAT(adapter, mngptc);
+ regs_buff[961] = IXGBE_GET_STAT(adapter, tor);
+ regs_buff[963] = IXGBE_GET_STAT(adapter, tpr);
+ regs_buff[964] = IXGBE_GET_STAT(adapter, tpt);
+ regs_buff[965] = IXGBE_GET_STAT(adapter, ptc64);
+ regs_buff[966] = IXGBE_GET_STAT(adapter, ptc127);
+ regs_buff[967] = IXGBE_GET_STAT(adapter, ptc255);
+ regs_buff[968] = IXGBE_GET_STAT(adapter, ptc511);
+ regs_buff[969] = IXGBE_GET_STAT(adapter, ptc1023);
+ regs_buff[970] = IXGBE_GET_STAT(adapter, ptc1522);
+ regs_buff[971] = IXGBE_GET_STAT(adapter, mptc);
+ regs_buff[972] = IXGBE_GET_STAT(adapter, bptc);
+ regs_buff[973] = IXGBE_GET_STAT(adapter, xec);
+ for (i = 0; i < 16; i++)
+ regs_buff[974 + i] = IXGBE_GET_STAT(adapter, qprc[i]);
+ for (i = 0; i < 16; i++)
+ regs_buff[990 + i] = IXGBE_GET_STAT(adapter, qptc[i]);
+ for (i = 0; i < 16; i++)
+ regs_buff[1006 + i] = IXGBE_GET_STAT(adapter, qbrc[i]);
+ for (i = 0; i < 16; i++)
+ regs_buff[1022 + i] = IXGBE_GET_STAT(adapter, qbtc[i]);
+
+ /* MAC */
+ regs_buff[1038] = IXGBE_READ_REG(hw, IXGBE_PCS1GCFIG);
+ regs_buff[1039] = IXGBE_READ_REG(hw, IXGBE_PCS1GLCTL);
+ regs_buff[1040] = IXGBE_READ_REG(hw, IXGBE_PCS1GLSTA);
+ regs_buff[1041] = IXGBE_READ_REG(hw, IXGBE_PCS1GDBG0);
+ regs_buff[1042] = IXGBE_READ_REG(hw, IXGBE_PCS1GDBG1);
+ regs_buff[1043] = IXGBE_READ_REG(hw, IXGBE_PCS1GANA);
+ regs_buff[1044] = IXGBE_READ_REG(hw, IXGBE_PCS1GANLP);
+ regs_buff[1045] = IXGBE_READ_REG(hw, IXGBE_PCS1GANNP);
+ regs_buff[1046] = IXGBE_READ_REG(hw, IXGBE_PCS1GANLPNP);
+ regs_buff[1047] = IXGBE_READ_REG(hw, IXGBE_HLREG0);
+ regs_buff[1048] = IXGBE_READ_REG(hw, IXGBE_HLREG1);
+ regs_buff[1049] = IXGBE_READ_REG(hw, IXGBE_PAP);
+ regs_buff[1050] = IXGBE_READ_REG(hw, IXGBE_MACA);
+ regs_buff[1051] = IXGBE_READ_REG(hw, IXGBE_APAE);
+ regs_buff[1052] = IXGBE_READ_REG(hw, IXGBE_ARD);
+ regs_buff[1053] = IXGBE_READ_REG(hw, IXGBE_AIS);
+ regs_buff[1054] = IXGBE_READ_REG(hw, IXGBE_MSCA);
+ regs_buff[1055] = IXGBE_READ_REG(hw, IXGBE_MSRWD);
+ regs_buff[1056] = IXGBE_READ_REG(hw, IXGBE_MLADD);
+ regs_buff[1057] = IXGBE_READ_REG(hw, IXGBE_MHADD);
+ regs_buff[1058] = IXGBE_READ_REG(hw, IXGBE_TREG);
+ regs_buff[1059] = IXGBE_READ_REG(hw, IXGBE_PCSS1);
+ regs_buff[1060] = IXGBE_READ_REG(hw, IXGBE_PCSS2);
+ regs_buff[1061] = IXGBE_READ_REG(hw, IXGBE_XPCSS);
+ regs_buff[1062] = IXGBE_READ_REG(hw, IXGBE_SERDESC);
+ regs_buff[1063] = IXGBE_READ_REG(hw, IXGBE_MACS);
+ regs_buff[1064] = IXGBE_READ_REG(hw, IXGBE_AUTOC);
+ regs_buff[1065] = IXGBE_READ_REG(hw, IXGBE_LINKS);
+ regs_buff[1066] = IXGBE_READ_REG(hw, IXGBE_AUTOC2);
+ regs_buff[1067] = IXGBE_READ_REG(hw, IXGBE_AUTOC3);
+ regs_buff[1068] = IXGBE_READ_REG(hw, IXGBE_ANLP1);
+ regs_buff[1069] = IXGBE_READ_REG(hw, IXGBE_ANLP2);
+ regs_buff[1070] = IXGBE_READ_REG(hw, IXGBE_ATLASCTL);
+
+ /* Diagnostic */
+ regs_buff[1071] = IXGBE_READ_REG(hw, IXGBE_RDSTATCTL);
+ for (i = 0; i < 8; i++)
+ regs_buff[1072] = IXGBE_READ_REG(hw, IXGBE_RDSTAT(i));
+ regs_buff[1080] = IXGBE_READ_REG(hw, IXGBE_RDHMPN);
+ regs_buff[1081] = IXGBE_READ_REG(hw, IXGBE_RIC_DW0);
+ regs_buff[1082] = IXGBE_READ_REG(hw, IXGBE_RIC_DW1);
+ regs_buff[1083] = IXGBE_READ_REG(hw, IXGBE_RIC_DW2);
+ regs_buff[1084] = IXGBE_READ_REG(hw, IXGBE_RIC_DW3);
+ regs_buff[1085] = IXGBE_READ_REG(hw, IXGBE_RDPROBE);
+ regs_buff[1086] = IXGBE_READ_REG(hw, IXGBE_TDSTATCTL);
+ for (i = 0; i < 8; i++)
+ regs_buff[1087] = IXGBE_READ_REG(hw, IXGBE_TDSTAT(i));
+ regs_buff[1095] = IXGBE_READ_REG(hw, IXGBE_TDHMPN);
+ regs_buff[1096] = IXGBE_READ_REG(hw, IXGBE_TIC_DW0);
+ regs_buff[1097] = IXGBE_READ_REG(hw, IXGBE_TIC_DW1);
+ regs_buff[1098] = IXGBE_READ_REG(hw, IXGBE_TIC_DW2);
+ regs_buff[1099] = IXGBE_READ_REG(hw, IXGBE_TIC_DW3);
+ regs_buff[1100] = IXGBE_READ_REG(hw, IXGBE_TDPROBE);
+ regs_buff[1101] = IXGBE_READ_REG(hw, IXGBE_TXBUFCTRL);
+ regs_buff[1102] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA0);
+ regs_buff[1103] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA1);
+ regs_buff[1104] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA2);
+ regs_buff[1105] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA3);
+ regs_buff[1106] = IXGBE_READ_REG(hw, IXGBE_RXBUFCTRL);
+ regs_buff[1107] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA0);
+ regs_buff[1108] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA1);
+ regs_buff[1109] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA2);
+ regs_buff[1110] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA3);
+ for (i = 0; i < 8; i++)
+ regs_buff[1111] = IXGBE_READ_REG(hw, IXGBE_PCIE_DIAG(i));
+ regs_buff[1119] = IXGBE_READ_REG(hw, IXGBE_RFVAL);
+ regs_buff[1120] = IXGBE_READ_REG(hw, IXGBE_MDFTC1);
+ regs_buff[1121] = IXGBE_READ_REG(hw, IXGBE_MDFTC2);
+ regs_buff[1122] = IXGBE_READ_REG(hw, IXGBE_MDFTFIFO1);
+ regs_buff[1123] = IXGBE_READ_REG(hw, IXGBE_MDFTFIFO2);
+ regs_buff[1124] = IXGBE_READ_REG(hw, IXGBE_MDFTS);
+ regs_buff[1125] = IXGBE_READ_REG(hw, IXGBE_PCIEECCCTL);
+ regs_buff[1126] = IXGBE_READ_REG(hw, IXGBE_PBTXECC);
+ regs_buff[1127] = IXGBE_READ_REG(hw, IXGBE_PBRXECC);
+}
+
+static int ixgbe_get_eeprom_len(struct net_device *netdev)
+{
+ struct ixgbe_adapter *adapter = netdev_priv(netdev);
+ return adapter->hw.eeprom.word_size * 2;
+}
+
+static int ixgbe_get_eeprom(struct net_device *netdev,
+ struct ethtool_eeprom *eeprom, u8 *bytes)
+{
+ struct ixgbe_adapter *adapter = netdev_priv(netdev);
+ struct ixgbe_hw *hw = &adapter->hw;
+ u16 *eeprom_buff;
+ int first_word, last_word, eeprom_len;
+ int ret_val = 0;
+ u16 i;
+
+ if (eeprom->len == 0)
+ return -EINVAL;
+
+ eeprom->magic = hw->vendor_id | (hw->device_id << 16);
+
+ first_word = eeprom->offset >> 1;
+ last_word = (eeprom->offset + eeprom->len - 1) >> 1;
+ eeprom_len = last_word - first_word + 1;
+
+ eeprom_buff = kmalloc(sizeof(u16) * eeprom_len, GFP_KERNEL);
+ if (!eeprom_buff)
+ return -ENOMEM;
+
+ for (i = 0; i < eeprom_len; i++) {
+ if ((ret_val = ixgbe_read_eeprom(hw, first_word + i,
+ &eeprom_buff[i])))
+ break;
+ }
+
+ /* Device's eeprom is always little-endian, word addressable */
+ for (i = 0; i < eeprom_len; i++)
+ le16_to_cpus(&eeprom_buff[i]);
+
+ memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
+ kfree(eeprom_buff);
+
+ return ret_val;
+}
+
+static void ixgbe_get_drvinfo(struct net_device *netdev,
+ struct ethtool_drvinfo *drvinfo)
+{
+ struct ixgbe_adapter *adapter = netdev_priv(netdev);
+
+ strncpy(drvinfo->driver, ixgbe_driver_name, 32);
+ strncpy(drvinfo->version, ixgbe_driver_version, 32);
+ strncpy(drvinfo->fw_version, "N/A", 32);
+ strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
+ drvinfo->n_stats = IXGBE_STATS_LEN;
+ drvinfo->regdump_len = ixgbe_get_regs_len(netdev);
+}
+
+static void ixgbe_get_ringparam(struct net_device *netdev,
+ struct ethtool_ringparam *ring)
+{
+ struct ixgbe_adapter *adapter = netdev_priv(netdev);
+ struct ixgbe_ring *tx_ring = adapter->tx_ring;
+ struct ixgbe_ring *rx_ring = adapter->rx_ring;
+
+ ring->rx_max_pending = IXGBE_MAX_RXD;
+ ring->tx_max_pending = IXGBE_MAX_TXD;
+ ring->rx_mini_max_pending = 0;
+ ring->rx_jumbo_max_pending = 0;
+ ring->rx_pending = rx_ring->count;
+ ring->tx_pending = tx_ring->count;
+ ring->rx_mini_pending = 0;
+ ring->rx_jumbo_pending = 0;
+}
+
+static int ixgbe_set_ringparam(struct net_device *netdev,
+ struct ethtool_ringparam *ring)
+{
+ struct ixgbe_adapter *adapter = netdev_priv(netdev);
+ struct ixgbe_tx_buffer *old_buf;
+ struct ixgbe_rx_buffer *old_rx_buf;
+ void *old_desc;
+ int i, err;
+ u32 new_rx_count, new_tx_count, old_size;
+ dma_addr_t old_dma;
+
+ if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
+ return -EINVAL;
+
+ new_rx_count = max(ring->rx_pending, (u32)IXGBE_MIN_RXD);
+ new_rx_count = min(new_rx_count, (u32)IXGBE_MAX_RXD);
+ new_rx_count = ALIGN(new_rx_count, IXGBE_REQ_RX_DESCRIPTOR_MULTIPLE);
+
+ new_tx_count = max(ring->tx_pending, (u32)IXGBE_MIN_TXD);
+ new_tx_count = min(new_tx_count, (u32)IXGBE_MAX_TXD);
+ new_tx_count = ALIGN(new_tx_count, IXGBE_REQ_TX_DESCRIPTOR_MULTIPLE);
+
+ if ((new_tx_count == adapter->tx_ring->count) &&
+ (new_rx_count == adapter->rx_ring->count)) {
+ /* nothing to do */
+ return 0;
+ }
+
+ if (netif_running(adapter->netdev))
+ ixgbe_down(adapter);
+
+ /*
+ * We can't just free everything and then setup again,
+ * because the ISRs in MSI-X mode get passed pointers
+ * to the tx and rx ring structs.
+ */
+ if (new_tx_count != adapter->tx_ring->count) {
+ for (i = 0; i < adapter->num_tx_queues; i++) {
+ /* Save existing descriptor ring */
+ old_buf = adapter->tx_ring[i].tx_buffer_info;
+ old_desc = adapter->tx_ring[i].desc;
+ old_size = adapter->tx_ring[i].size;
+ old_dma = adapter->tx_ring[i].dma;
+ /* Try to allocate a new one */
+ adapter->tx_ring[i].tx_buffer_info = NULL;
+ adapter->tx_ring[i].desc = NULL;
+ adapter->tx_ring[i].count = new_tx_count;
+ err = ixgbe_setup_tx_resources(adapter,
+ &adapter->tx_ring[i]);
+ if (err) {
+ /* Restore the old one so at least
+ the adapter still works, even if
+ we failed the request */
+ adapter->tx_ring[i].tx_buffer_info = old_buf;
+ adapter->tx_ring[i].desc = old_desc;
+ adapter->tx_ring[i].size = old_size;
+ adapter->tx_ring[i].dma = old_dma;
+ goto err_setup;
+ }
+ /* Free the old buffer manually */
+ vfree(old_buf);
+ pci_free_consistent(adapter->pdev, old_size,
+ old_desc, old_dma);
+ }
+ }
+
+ if (new_rx_count != adapter->rx_ring->count) {
+ for (i = 0; i < adapter->num_rx_queues; i++) {
+
+ old_rx_buf = adapter->rx_ring[i].rx_buffer_info;
+ old_desc = adapter->rx_ring[i].desc;
+ old_size = adapter->rx_ring[i].size;
+ old_dma = adapter->rx_ring[i].dma;
+
+ adapter->rx_ring[i].rx_buffer_info = NULL;
+ adapter->rx_ring[i].desc = NULL;
+ adapter->rx_ring[i].dma = 0;
+ adapter->rx_ring[i].count = new_rx_count;
+ err = ixgbe_setup_rx_resources(adapter,
+ &adapter->rx_ring[i]);
+ if (err) {
+ adapter->rx_ring[i].rx_buffer_info = old_rx_buf;
+ adapter->rx_ring[i].desc = old_desc;
+ adapter->rx_ring[i].size = old_size;
+ adapter->rx_ring[i].dma = old_dma;
+ goto err_setup;
+ }
+
+ vfree(old_rx_buf);
+ pci_free_consistent(adapter->pdev, old_size, old_desc,
+ old_dma);
+ }
+ }
+
+ err = 0;
+err_setup:
+ if (netif_running(adapter->netdev))
+ ixgbe_up(adapter);
+
+ return err;
+}
+
+static int ixgbe_get_stats_count(struct net_device *netdev)
+{
+ return IXGBE_STATS_LEN;
+}
+
+static void ixgbe_get_ethtool_stats(struct net_device *netdev,
+ struct ethtool_stats *stats, u64 *data)
+{
+ struct ixgbe_adapter *adapter = netdev_priv(netdev);
+ u64 *queue_stat;
+ int stat_count = sizeof(struct ixgbe_queue_stats) / sizeof(u64);
+ int j, k;
+ int i;
+
+ ixgbe_update_stats(adapter);
+ for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) {
+ char *p = (char *)adapter + ixgbe_gstrings_stats[i].stat_offset;
+ data[i] = (ixgbe_gstrings_stats[i].sizeof_stat ==
+ sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
+ }
+ for (j = 0; j < adapter->num_tx_queues; j++) {
+ queue_stat = (u64 *)&adapter->tx_ring[j].stats;
+ for (k = 0; k < stat_count; k++)
+ data[i + k] = queue_stat[k];
+ i += k;
+ }
+ for (j = 0; j < adapter->num_rx_queues; j++) {
+ queue_stat = (u64 *)&adapter->rx_ring[j].stats;
+ for (k = 0; k < stat_count; k++)
+ data[i + k] = queue_stat[k];
+ i += k;
+ }
+}
+
+static void ixgbe_get_strings(struct net_device *netdev, u32 stringset,
+ u8 *data)
+{
+ struct ixgbe_adapter *adapter = netdev_priv(netdev);
+ u8 *p = data;
+ int i;
+
+ switch (stringset) {
+ case ETH_SS_STATS:
+ for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) {
+ memcpy(p, ixgbe_gstrings_stats[i].stat_string,
+ ETH_GSTRING_LEN);
+ p += ETH_GSTRING_LEN;
+ }
+ for (i = 0; i < adapter->num_tx_queues; i++) {
+ sprintf(p, "tx_queue_%u_packets", i);
+ p += ETH_GSTRING_LEN;
+ sprintf(p, "tx_queue_%u_bytes", i);
+ p += ETH_GSTRING_LEN;
+ }
+ for (i = 0; i < adapter->num_rx_queues; i++) {
+ sprintf(p, "rx_queue_%u_packets", i);
+ p += ETH_GSTRING_LEN;
+ sprintf(p, "rx_queue_%u_bytes", i);
+ p += ETH_GSTRING_LEN;
+ }
+/* BUG_ON(p - data != IXGBE_STATS_LEN * ETH_GSTRING_LEN); */
+ break;
+ }
+}
+
+
+static void ixgbe_get_wol(struct net_device *netdev,
+ struct ethtool_wolinfo *wol)
+{
+ wol->supported = 0;
+ wol->wolopts = 0;
+
+ return;
+}
+
+static int ixgbe_nway_reset(struct net_device *netdev)
+{
+ struct ixgbe_adapter *adapter = netdev_priv(netdev);
+
+ if (netif_running(netdev)) {
+ ixgbe_down(adapter);
+ ixgbe_reset(adapter);
+ ixgbe_up(adapter);
+ }
+
+ return 0;
+}
+
+static int ixgbe_phys_id(struct net_device *netdev, u32 data)
+{
+ struct ixgbe_adapter *adapter = netdev_priv(netdev);
+ u32 led_reg = IXGBE_READ_REG(&adapter->hw, IXGBE_LEDCTL);
+ u32 i;
+
+ if (!data || data > 300)
+ data = 300;
+
+ for (i = 0; i < (data * 1000); i += 400) {
+ ixgbe_led_on(&adapter->hw, IXGBE_LED_ON);
+ msleep_interruptible(200);
+ ixgbe_led_off(&adapter->hw, IXGBE_LED_ON);
+ msleep_interruptible(200);
+ }
+
+ /* Restore LED settings */
+ IXGBE_WRITE_REG(&adapter->hw, IXGBE_LEDCTL, led_reg);
+
+ return 0;
+}
+
+static int ixgbe_get_coalesce(struct net_device *netdev,
+ struct ethtool_coalesce *ec)
+{
+ struct ixgbe_adapter *adapter = netdev_priv(netdev);
+
+ if (adapter->rx_eitr == 0)
+ ec->rx_coalesce_usecs = 0;
+ else
+ ec->rx_coalesce_usecs = 1000000 / adapter->rx_eitr;
+
+ if (adapter->tx_eitr == 0)
+ ec->tx_coalesce_usecs = 0;
+ else
+ ec->tx_coalesce_usecs = 1000000 / adapter->tx_eitr;
+
+ ec->tx_max_coalesced_frames_irq = adapter->tx_ring[0].work_limit;
+ return 0;
+}
+
+static int ixgbe_set_coalesce(struct net_device *netdev,
+ struct ethtool_coalesce *ec)
+{
+ struct ixgbe_adapter *adapter = netdev_priv(netdev);
+
+ if ((ec->rx_coalesce_usecs > IXGBE_MAX_ITR_USECS) ||
+ ((ec->rx_coalesce_usecs > 0) &&
+ (ec->rx_coalesce_usecs < IXGBE_MIN_ITR_USECS)))
+ return -EINVAL;
+ if ((ec->tx_coalesce_usecs > IXGBE_MAX_ITR_USECS) ||
+ ((ec->tx_coalesce_usecs > 0) &&
+ (ec->tx_coalesce_usecs < IXGBE_MIN_ITR_USECS)))
+ return -EINVAL;
+
+ /* convert to rate of irq's per second */
+ if (ec->rx_coalesce_usecs == 0)
+ adapter->rx_eitr = 0;
+ else
+ adapter->rx_eitr = (1000000 / ec->rx_coalesce_usecs);
+
+ if (ec->tx_coalesce_usecs == 0)
+ adapter->tx_eitr = 0;
+ else
+ adapter->tx_eitr = (1000000 / ec->tx_coalesce_usecs);
+
+ if (ec->tx_max_coalesced_frames_irq)
+ adapter->tx_ring[0].work_limit =
+ ec->tx_max_coalesced_frames_irq;
+
+ if (netif_running(netdev)) {
+ ixgbe_down(adapter);
+ ixgbe_up(adapter);
+ }
+
+ return 0;
+}
+
+
+static struct ethtool_ops ixgbe_ethtool_ops = {
+ .get_settings = ixgbe_get_settings,
+ .set_settings = ixgbe_set_settings,
+ .get_drvinfo = ixgbe_get_drvinfo,
+ .get_regs_len = ixgbe_get_regs_len,
+ .get_regs = ixgbe_get_regs,
+ .get_wol = ixgbe_get_wol,
+ .nway_reset = ixgbe_nway_reset,
+ .get_link = ethtool_op_get_link,
+ .get_eeprom_len = ixgbe_get_eeprom_len,
+ .get_eeprom = ixgbe_get_eeprom,
+ .get_ringparam = ixgbe_get_ringparam,
+ .set_ringparam = ixgbe_set_ringparam,
+ .get_pauseparam = ixgbe_get_pauseparam,
+ .set_pauseparam = ixgbe_set_pauseparam,
+ .get_rx_csum = ixgbe_get_rx_csum,
+ .set_rx_csum = ixgbe_set_rx_csum,
+ .get_tx_csum = ixgbe_get_tx_csum,
+ .set_tx_csum = ixgbe_set_tx_csum,
+ .get_sg = ethtool_op_get_sg,
+ .set_sg = ethtool_op_set_sg,
+ .get_msglevel = ixgbe_get_msglevel,
+ .set_msglevel = ixgbe_set_msglevel,
+ .get_tso = ethtool_op_get_tso,
+ .set_tso = ixgbe_set_tso,
+ .get_strings = ixgbe_get_strings,
+ .phys_id = ixgbe_phys_id,
+ .get_stats_count = ixgbe_get_stats_count,
+ .get_ethtool_stats = ixgbe_get_ethtool_stats,
+ .get_coalesce = ixgbe_get_coalesce,
+ .set_coalesce = ixgbe_set_coalesce,
+};
+
+void ixgbe_set_ethtool_ops(struct net_device *netdev)
+{
+ SET_ETHTOOL_OPS(netdev, &ixgbe_ethtool_ops);
+}
--- /dev/null
+/*******************************************************************************
+
+ Intel 10 Gigabit PCI Express Linux driver
+ Copyright(c) 1999 - 2007 Intel Corporation.
+
+ This program is free software; you can redistribute it and/or modify it
+ under the terms and conditions of the GNU General Public License,
+ version 2, as published by the Free Software Foundation.
+
+ This program is distributed in the hope 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.,
+ 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+
+ The full GNU General Public License is included in this distribution in
+ the file called "COPYING".
+
+ Contact Information:
+ Linux NICS <linux.nics@intel.com>
+ e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
+ Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
+
+*******************************************************************************/
+
+#include <linux/types.h>
+#include <linux/module.h>
+#include <linux/pci.h>
+#include <linux/netdevice.h>
+#include <linux/vmalloc.h>
+#include <linux/string.h>
+#include <linux/in.h>
+#include <linux/ip.h>
+#include <linux/tcp.h>
+#include <linux/ipv6.h>
+#include <net/checksum.h>
+#include <net/ip6_checksum.h>
+#include <linux/ethtool.h>
+#include <linux/if_vlan.h>
+
+#include "ixgbe.h"
+#include "ixgbe_common.h"
+
+char ixgbe_driver_name[] = "ixgbe";
+static char ixgbe_driver_string[] =
+ "Intel(R) 10 Gigabit PCI Express Network Driver";
+
+#define DRV_VERSION "1.1.18"
+char ixgbe_driver_version[] = DRV_VERSION;
+static char ixgbe_copyright[] = "Copyright (c) 1999-2007 Intel Corporation.";
+
+static const struct ixgbe_info *ixgbe_info_tbl[] = {
+ [board_82598AF] = &ixgbe_82598AF_info,
+ [board_82598EB] = &ixgbe_82598EB_info,
+ [board_82598AT] = &ixgbe_82598AT_info,
+};
+
+/* ixgbe_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 struct pci_device_id ixgbe_pci_tbl[] = {
+ {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82598AF_DUAL_PORT),
+ board_82598AF },
+ {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82598AF_SINGLE_PORT),
+ board_82598AF },
+ {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82598AT_DUAL_PORT),
+ board_82598AT },
+ {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82598EB_CX4),
+ board_82598EB },
+
+ /* required last entry */
+ {0, }
+};
+MODULE_DEVICE_TABLE(pci, ixgbe_pci_tbl);
+
+MODULE_AUTHOR("Intel Corporation, <linux.nics@intel.com>");
+MODULE_DESCRIPTION("Intel(R) 10 Gigabit PCI Express Network Driver");
+MODULE_LICENSE("GPL");
+MODULE_VERSION(DRV_VERSION);
+
+#define DEFAULT_DEBUG_LEVEL_SHIFT 3
+
+
+#ifdef DEBUG
+/**
+ * ixgbe_get_hw_dev_name - return device name string
+ * used by hardware layer to print debugging information
+ **/
+char *ixgbe_get_hw_dev_name(struct ixgbe_hw *hw)
+{
+ struct ixgbe_adapter *adapter = hw->back;
+ struct net_device *netdev = adapter->netdev;
+ return netdev->name;
+}
+#endif
+
+static void ixgbe_set_ivar(struct ixgbe_adapter *adapter, u16 int_alloc_entry,
+ u8 msix_vector)
+{
+ u32 ivar, index;
+
+ msix_vector |= IXGBE_IVAR_ALLOC_VAL;
+ index = (int_alloc_entry >> 2) & 0x1F;
+ ivar = IXGBE_READ_REG(&adapter->hw, IXGBE_IVAR(index));
+ ivar &= ~(0xFF << (8 * (int_alloc_entry & 0x3)));
+ ivar |= (msix_vector << (8 * (int_alloc_entry & 0x3)));
+ IXGBE_WRITE_REG(&adapter->hw, IXGBE_IVAR(index), ivar);
+}
+
+static void ixgbe_unmap_and_free_tx_resource(struct ixgbe_adapter *adapter,
+ struct ixgbe_tx_buffer
+ *tx_buffer_info)
+{
+ if (tx_buffer_info->dma) {
+ pci_unmap_page(adapter->pdev,
+ tx_buffer_info->dma,
+ tx_buffer_info->length, PCI_DMA_TODEVICE);
+ tx_buffer_info->dma = 0;
+ }
+ if (tx_buffer_info->skb) {
+ dev_kfree_skb_any(tx_buffer_info->skb);
+ tx_buffer_info->skb = NULL;
+ }
+ /* tx_buffer_info must be completely set up in the transmit path */
+}
+
+static inline bool ixgbe_check_tx_hang(struct ixgbe_adapter *adapter,
+ struct ixgbe_ring *tx_ring,
+ unsigned int eop,
+ union ixgbe_adv_tx_desc *eop_desc)
+{
+ /* Detect a transmit hang in hardware, this serializes the
+ * check with the clearing of time_stamp and movement of i */
+ adapter->detect_tx_hung = false;
+ if (tx_ring->tx_buffer_info[eop].dma &&
+ time_after(jiffies, tx_ring->tx_buffer_info[eop].time_stamp + HZ) &&
+ !(IXGBE_READ_REG(&adapter->hw, IXGBE_TFCS) & IXGBE_TFCS_TXOFF)) {
+ /* detected Tx unit hang */
+ DPRINTK(DRV, ERR, "Detected Tx Unit Hang\n"
+ " TDH <%x>\n"
+ " TDT <%x>\n"
+ " next_to_use <%x>\n"
+ " next_to_clean <%x>\n"
+ "tx_buffer_info[next_to_clean]\n"
+ " time_stamp <%lx>\n"
+ " next_to_watch <%x>\n"
+ " jiffies <%lx>\n"
+ " next_to_watch.status <%x>\n",
+ readl(adapter->hw.hw_addr + tx_ring->head),
+ readl(adapter->hw.hw_addr + tx_ring->tail),
+ tx_ring->next_to_use,
+ tx_ring->next_to_clean,
+ tx_ring->tx_buffer_info[eop].time_stamp,
+ eop, jiffies, eop_desc->wb.status);
+ return true;
+ }
+
+ return false;
+}
+
+/**
+ * ixgbe_clean_tx_irq - Reclaim resources after transmit completes
+ * @adapter: board private structure
+ **/
+static bool ixgbe_clean_tx_irq(struct ixgbe_adapter *adapter,
+ struct ixgbe_ring *tx_ring)
+{
+ struct net_device *netdev = adapter->netdev;
+ union ixgbe_adv_tx_desc *tx_desc, *eop_desc;
+ struct ixgbe_tx_buffer *tx_buffer_info;
+ unsigned int i, eop;
+ bool cleaned = false;
+ int count = 0;
+
+ i = tx_ring->next_to_clean;
+ eop = tx_ring->tx_buffer_info[i].next_to_watch;
+ eop_desc = IXGBE_TX_DESC_ADV(*tx_ring, eop);
+ while (eop_desc->wb.status & cpu_to_le32(IXGBE_TXD_STAT_DD)) {
+ for (cleaned = false; !cleaned;) {
+ tx_desc = IXGBE_TX_DESC_ADV(*tx_ring, i);
+ tx_buffer_info = &tx_ring->tx_buffer_info[i];
+ cleaned = (i == eop);
+
+ tx_ring->stats.bytes += tx_buffer_info->length;
+ ixgbe_unmap_and_free_tx_resource(adapter,
+ tx_buffer_info);
+ tx_desc->wb.status = 0;
+
+ i++;
+ if (i == tx_ring->count)
+ i = 0;
+ }
+
+ tx_ring->stats.packets++;
+
+ eop = tx_ring->tx_buffer_info[i].next_to_watch;
+ eop_desc = IXGBE_TX_DESC_ADV(*tx_ring, eop);
+
+ /* weight of a sort for tx, avoid endless transmit cleanup */
+ if (count++ >= tx_ring->work_limit)
+ break;
+ }
+
+ tx_ring->next_to_clean = i;
+
+#define TX_WAKE_THRESHOLD 32
+ spin_lock(&tx_ring->tx_lock);
+
+ if (cleaned && netif_carrier_ok(netdev) &&
+ (IXGBE_DESC_UNUSED(tx_ring) >= TX_WAKE_THRESHOLD) &&
+ !test_bit(__IXGBE_DOWN, &adapter->state))
+ netif_wake_queue(netdev);
+
+ spin_unlock(&tx_ring->tx_lock);
+
+ if (adapter->detect_tx_hung)
+ if (ixgbe_check_tx_hang(adapter, tx_ring, eop, eop_desc))
+ netif_stop_queue(netdev);
+
+ if (count >= tx_ring->work_limit)
+ IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS, tx_ring->eims_value);
+
+ return cleaned;
+}
+
+/**
+ * ixgbe_receive_skb - Send a completed packet up the stack
+ * @adapter: board private structure
+ * @skb: packet to send up
+ * @is_vlan: packet has a VLAN tag
+ * @tag: VLAN tag from descriptor
+ **/
+static void ixgbe_receive_skb(struct ixgbe_adapter *adapter,
+ struct sk_buff *skb, bool is_vlan,
+ u16 tag)
+{
+ if (!(adapter->flags & IXGBE_FLAG_IN_NETPOLL)) {
+ if (adapter->vlgrp && is_vlan)
+ vlan_hwaccel_receive_skb(skb, adapter->vlgrp, tag);
+ else
+ netif_receive_skb(skb);
+ } else {
+
+ if (adapter->vlgrp && is_vlan)
+ vlan_hwaccel_rx(skb, adapter->vlgrp, tag);
+ else
+ netif_rx(skb);
+ }
+}
+
+static inline void ixgbe_rx_checksum(struct ixgbe_adapter *adapter,
+ u32 status_err,
+ struct sk_buff *skb)
+{
+ skb->ip_summed = CHECKSUM_NONE;
+
+ /* Ignore Checksum bit is set */
+ if ((status_err & IXGBE_RXD_STAT_IXSM) ||
+ !(adapter->flags & IXGBE_FLAG_RX_CSUM_ENABLED))
+ return;
+ /* TCP/UDP checksum error bit is set */
+ if (status_err & (IXGBE_RXDADV_ERR_TCPE | IXGBE_RXDADV_ERR_IPE)) {
+ /* let the stack verify checksum errors */
+ adapter->hw_csum_rx_error++;
+ return;
+ }
+ /* It must be a TCP or UDP packet with a valid checksum */
+ if (status_err & (IXGBE_RXD_STAT_L4CS | IXGBE_RXD_STAT_UDPCS))
+ skb->ip_summed = CHECKSUM_UNNECESSARY;
+ adapter->hw_csum_rx_good++;
+}
+
+/**
+ * ixgbe_alloc_rx_buffers - Replace used receive buffers; packet split
+ * @adapter: address of board private structure
+ **/
+static void ixgbe_alloc_rx_buffers(struct ixgbe_adapter *adapter,
+ struct ixgbe_ring *rx_ring,
+ int cleaned_count)
+{
+ struct net_device *netdev = adapter->netdev;
+ struct pci_dev *pdev = adapter->pdev;
+ union ixgbe_adv_rx_desc *rx_desc;
+ struct ixgbe_rx_buffer *rx_buffer_info;
+ struct sk_buff *skb;
+ unsigned int i;
+ unsigned int bufsz = adapter->rx_buf_len + NET_IP_ALIGN;
+
+ i = rx_ring->next_to_use;
+ rx_buffer_info = &rx_ring->rx_buffer_info[i];
+
+ while (cleaned_count--) {
+ rx_desc = IXGBE_RX_DESC_ADV(*rx_ring, i);
+
+ if (!rx_buffer_info->page &&
+ (adapter->flags & IXGBE_FLAG_RX_PS_ENABLED)) {
+ rx_buffer_info->page = alloc_page(GFP_ATOMIC);
+ if (!rx_buffer_info->page) {
+ adapter->alloc_rx_page_failed++;
+ goto no_buffers;
+ }
+ rx_buffer_info->page_dma =
+ pci_map_page(pdev, rx_buffer_info->page,
+ 0, PAGE_SIZE, PCI_DMA_FROMDEVICE);
+ }
+
+ if (!rx_buffer_info->skb) {
+ skb = netdev_alloc_skb(netdev, bufsz);
+
+ if (!skb) {
+ adapter->alloc_rx_buff_failed++;
+ goto no_buffers;
+ }
+
+ /*
+ * 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
+ */
+ skb_reserve(skb, NET_IP_ALIGN);
+
+ rx_buffer_info->skb = skb;
+ rx_buffer_info->dma = pci_map_single(pdev, skb->data,
+ bufsz,
+ PCI_DMA_FROMDEVICE);
+ }
+ /* Refresh the desc even if buffer_addrs didn't change because
+ * each write-back erases this info. */
+ if (adapter->flags & IXGBE_FLAG_RX_PS_ENABLED) {
+ rx_desc->read.pkt_addr =
+ cpu_to_le64(rx_buffer_info->page_dma);
+ rx_desc->read.hdr_addr =
+ cpu_to_le64(rx_buffer_info->dma);
+ } else {
+ rx_desc->read.pkt_addr =
+ cpu_to_le64(rx_buffer_info->dma);
+ }
+
+ i++;
+ if (i == rx_ring->count)
+ i = 0;
+ rx_buffer_info = &rx_ring->rx_buffer_info[i];
+ }
+no_buffers:
+ if (rx_ring->next_to_use != i) {
+ rx_ring->next_to_use = i;
+ if (i-- == 0)
+ i = (rx_ring->count - 1);
+
+ /*
+ * 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();
+ writel(i, adapter->hw.hw_addr + rx_ring->tail);
+ }
+}
+
+static bool ixgbe_clean_rx_irq(struct ixgbe_adapter *adapter,
+ struct ixgbe_ring *rx_ring,
+ int *work_done, int work_to_do)
+{
+ struct net_device *netdev = adapter->netdev;
+ struct pci_dev *pdev = adapter->pdev;
+ union ixgbe_adv_rx_desc *rx_desc, *next_rxd;
+ struct ixgbe_rx_buffer *rx_buffer_info, *next_buffer;
+ struct sk_buff *skb;
+ unsigned int i;
+ u32 upper_len, len, staterr;
+ u16 hdr_info, vlan_tag;
+ bool is_vlan, cleaned = false;
+ int cleaned_count = 0;
+
+ i = rx_ring->next_to_clean;
+ upper_len = 0;
+ rx_desc = IXGBE_RX_DESC_ADV(*rx_ring, i);
+ staterr = le32_to_cpu(rx_desc->wb.upper.status_error);
+ rx_buffer_info = &rx_ring->rx_buffer_info[i];
+ is_vlan = (staterr & IXGBE_RXD_STAT_VP);
+ vlan_tag = le16_to_cpu(rx_desc->wb.upper.vlan);
+
+ while (staterr & IXGBE_RXD_STAT_DD) {
+ if (*work_done >= work_to_do)
+ break;
+ (*work_done)++;
+
+ if (adapter->flags & IXGBE_FLAG_RX_PS_ENABLED) {
+ hdr_info =
+ le16_to_cpu(rx_desc->wb.lower.lo_dword.hdr_info);
+ len =
+ ((hdr_info & IXGBE_RXDADV_HDRBUFLEN_MASK) >>
+ IXGBE_RXDADV_HDRBUFLEN_SHIFT);
+ if (hdr_info & IXGBE_RXDADV_SPH)
+ adapter->rx_hdr_split++;
+ if (len > IXGBE_RX_HDR_SIZE)
+ len = IXGBE_RX_HDR_SIZE;
+ upper_len = le16_to_cpu(rx_desc->wb.upper.length);
+ } else
+ len = le16_to_cpu(rx_desc->wb.upper.length);
+
+ cleaned = true;
+ skb = rx_buffer_info->skb;
+ prefetch(skb->data - NET_IP_ALIGN);
+ rx_buffer_info->skb = NULL;
+
+ if (len && !skb_shinfo(skb)->nr_frags) {
+ pci_unmap_single(pdev, rx_buffer_info->dma,
+ adapter->rx_buf_len + NET_IP_ALIGN,
+ PCI_DMA_FROMDEVICE);
+ skb_put(skb, len);
+ }
+
+ if (upper_len) {
+ pci_unmap_page(pdev, rx_buffer_info->page_dma,
+ PAGE_SIZE, PCI_DMA_FROMDEVICE);
+ rx_buffer_info->page_dma = 0;
+ skb_fill_page_desc(skb, skb_shinfo(skb)->nr_frags,
+ rx_buffer_info->page, 0, upper_len);
+ rx_buffer_info->page = NULL;
+
+ skb->len += upper_len;
+ skb->data_len += upper_len;
+ skb->truesize += upper_len;
+ }
+
+ i++;
+ if (i == rx_ring->count)
+ i = 0;
+ next_buffer = &rx_ring->rx_buffer_info[i];
+
+ next_rxd = IXGBE_RX_DESC_ADV(*rx_ring, i);
+ prefetch(next_rxd);
+
+ cleaned_count++;
+ if (staterr & IXGBE_RXD_STAT_EOP) {
+ rx_ring->stats.packets++;
+ rx_ring->stats.bytes += skb->len;
+ } else {
+ rx_buffer_info->skb = next_buffer->skb;
+ rx_buffer_info->dma = next_buffer->dma;
+ next_buffer->skb = skb;
+ adapter->non_eop_descs++;
+ goto next_desc;
+ }
+
+ if (staterr & IXGBE_RXDADV_ERR_FRAME_ERR_MASK) {
+ dev_kfree_skb_irq(skb);
+ goto next_desc;
+ }
+
+ ixgbe_rx_checksum(adapter, staterr, skb);
+ skb->protocol = eth_type_trans(skb, netdev);
+ ixgbe_receive_skb(adapter, skb, is_vlan, vlan_tag);
+ netdev->last_rx = jiffies;
+
+next_desc:
+ rx_desc->wb.upper.status_error = 0;
+
+ /* return some buffers to hardware, one at a time is too slow */
+ if (cleaned_count >= IXGBE_RX_BUFFER_WRITE) {
+ ixgbe_alloc_rx_buffers(adapter, rx_ring, cleaned_count);
+ cleaned_count = 0;
+ }
+
+ /* use prefetched values */
+ rx_desc = next_rxd;
+ rx_buffer_info = next_buffer;
+
+ staterr = le32_to_cpu(rx_desc->wb.upper.status_error);
+ is_vlan = (staterr & IXGBE_RXD_STAT_VP);
+ vlan_tag = le16_to_cpu(rx_desc->wb.upper.vlan);
+ }
+
+ rx_ring->next_to_clean = i;
+ cleaned_count = IXGBE_DESC_UNUSED(rx_ring);
+
+ if (cleaned_count)
+ ixgbe_alloc_rx_buffers(adapter, rx_ring, cleaned_count);
+
+ return cleaned;
+}
+
+#define IXGBE_MAX_INTR 10
+/**
+ * ixgbe_configure_msix - Configure MSI-X hardware
+ * @adapter: board private structure
+ *
+ * ixgbe_configure_msix sets up the hardware to properly generate MSI-X
+ * interrupts.
+ **/
+static void ixgbe_configure_msix(struct ixgbe_adapter *adapter)
+{
+ int i, vector = 0;
+
+ for (i = 0; i < adapter->num_tx_queues; i++) {
+ ixgbe_set_ivar(adapter, IXGBE_IVAR_TX_QUEUE(i),
+ IXGBE_MSIX_VECTOR(vector));
+ writel(EITR_INTS_PER_SEC_TO_REG(adapter->tx_eitr),
+ adapter->hw.hw_addr + adapter->tx_ring[i].itr_register);
+ vector++;
+ }
+
+ for (i = 0; i < adapter->num_rx_queues; i++) {
+ ixgbe_set_ivar(adapter, IXGBE_IVAR_RX_QUEUE(i),
+ IXGBE_MSIX_VECTOR(vector));
+ writel(EITR_INTS_PER_SEC_TO_REG(adapter->rx_eitr),
+ adapter->hw.hw_addr + adapter->rx_ring[i].itr_register);
+ vector++;
+ }
+
+ vector = adapter->num_tx_queues + adapter->num_rx_queues;
+ ixgbe_set_ivar(adapter, IXGBE_IVAR_OTHER_CAUSES_INDEX,
+ IXGBE_MSIX_VECTOR(vector));
+ IXGBE_WRITE_REG(&adapter->hw, IXGBE_EITR(vector), 1950);
+}
+
+static irqreturn_t ixgbe_msix_lsc(int irq, void *data)
+{
+ struct net_device *netdev = data;
+ struct ixgbe_adapter *adapter = netdev_priv(netdev);
+ struct ixgbe_hw *hw = &adapter->hw;
+ u32 eicr = IXGBE_READ_REG(hw, IXGBE_EICR);
+
+ if (eicr & IXGBE_EICR_LSC) {
+ adapter->lsc_int++;
+ if (!test_bit(__IXGBE_DOWN, &adapter->state))
+ mod_timer(&adapter->watchdog_timer, jiffies);
+ }
+ IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMS, IXGBE_EIMS_OTHER);
+
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t ixgbe_msix_clean_tx(int irq, void *data)
+{
+ struct ixgbe_ring *txr = data;
+ struct ixgbe_adapter *adapter = txr->adapter;
+
+ ixgbe_clean_tx_irq(adapter, txr);
+
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t ixgbe_msix_clean_rx(int irq, void *data)
+{
+ struct ixgbe_ring *rxr = data;
+ struct ixgbe_adapter *adapter = rxr->adapter;
+
+ IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, rxr->eims_value);
+ netif_rx_schedule(adapter->netdev, &adapter->napi);
+ return IRQ_HANDLED;
+}
+
+static int ixgbe_clean_rxonly(struct napi_struct *napi, int budget)
+{
+ struct ixgbe_adapter *adapter = container_of(napi,
+ struct ixgbe_adapter, napi);
+ struct net_device *netdev = adapter->netdev;
+ int work_done = 0;
+ struct ixgbe_ring *rxr = adapter->rx_ring;
+
+ /* Keep link state information with original netdev */
+ if (!netif_carrier_ok(netdev))
+ goto quit_polling;
+
+ ixgbe_clean_rx_irq(adapter, rxr, &work_done, budget);
+
+ /* If no Tx and not enough Rx work done, exit the polling mode */
+ if ((work_done < budget) || !netif_running(netdev)) {
+quit_polling:
+ netif_rx_complete(netdev, napi);
+ if (!test_bit(__IXGBE_DOWN, &adapter->state))
+ IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMS,
+ rxr->eims_value);
+ }
+
+ return work_done;
+}
+
+/**
+ * ixgbe_setup_msix - Initialize MSI-X interrupts
+ *
+ * ixgbe_setup_msix allocates MSI-X vectors and requests
+ * interrutps from the kernel.
+ **/
+static int ixgbe_setup_msix(struct ixgbe_adapter *adapter)
+{
+ struct net_device *netdev = adapter->netdev;
+ int i, int_vector = 0, err = 0;
+ int max_msix_count;
+
+ /* +1 for the LSC interrupt */
+ max_msix_count = adapter->num_rx_queues + adapter->num_tx_queues + 1;
+ adapter->msix_entries = kcalloc(max_msix_count,
+ sizeof(struct msix_entry), GFP_KERNEL);
+ if (!adapter->msix_entries)
+ return -ENOMEM;
+
+ for (i = 0; i < max_msix_count; i++)
+ adapter->msix_entries[i].entry = i;
+
+ err = pci_enable_msix(adapter->pdev, adapter->msix_entries,
+ max_msix_count);
+ if (err)
+ goto out;
+
+ for (i = 0; i < adapter->num_tx_queues; i++) {
+ sprintf(adapter->tx_ring[i].name, "%s-tx%d", netdev->name, i);
+ err = request_irq(adapter->msix_entries[int_vector].vector,
+ &ixgbe_msix_clean_tx,
+ 0,
+ adapter->tx_ring[i].name,
+ &(adapter->tx_ring[i]));
+ if (err) {
+ DPRINTK(PROBE, ERR,
+ "request_irq failed for MSIX interrupt "
+ "Error: %d\n", err);
+ goto release_irqs;
+ }
+ adapter->tx_ring[i].eims_value =
+ (1 << IXGBE_MSIX_VECTOR(int_vector));
+ adapter->tx_ring[i].itr_register = IXGBE_EITR(int_vector);
+ int_vector++;
+ }
+
+ for (i = 0; i < adapter->num_rx_queues; i++) {
+ if (strlen(netdev->name) < (IFNAMSIZ - 5))
+ sprintf(adapter->rx_ring[i].name,
+ "%s-rx%d", netdev->name, i);
+ else
+ memcpy(adapter->rx_ring[i].name,
+ netdev->name, IFNAMSIZ);
+ err = request_irq(adapter->msix_entries[int_vector].vector,
+ &ixgbe_msix_clean_rx, 0,
+ adapter->rx_ring[i].name,
+ &(adapter->rx_ring[i]));
+ if (err) {
+ DPRINTK(PROBE, ERR,
+ "request_irq failed for MSIX interrupt "
+ "Error: %d\n", err);
+ goto release_irqs;
+ }
+
+ adapter->rx_ring[i].eims_value =
+ (1 << IXGBE_MSIX_VECTOR(int_vector));
+ adapter->rx_ring[i].itr_register = IXGBE_EITR(int_vector);
+ int_vector++;
+ }
+
+ sprintf(adapter->lsc_name, "%s-lsc", netdev->name);
+ err = request_irq(adapter->msix_entries[int_vector].vector,
+ &ixgbe_msix_lsc, 0, adapter->lsc_name, netdev);
+ if (err) {
+ DPRINTK(PROBE, ERR,
+ "request_irq for msix_lsc failed: %d\n", err);
+ goto release_irqs;
+ }
+
+ /* FIXME: implement netif_napi_remove() instead */
+ adapter->napi.poll = ixgbe_clean_rxonly;
+ adapter->flags |= IXGBE_FLAG_MSIX_ENABLED;
+ return 0;
+
+release_irqs:
+ int_vector--;
+ for (; int_vector >= adapter->num_tx_queues; int_vector--)
+ free_irq(adapter->msix_entries[int_vector].vector,
+ &(adapter->rx_ring[int_vector -
+ adapter->num_tx_queues]));
+
+ for (; int_vector >= 0; int_vector--)
+ free_irq(adapter->msix_entries[int_vector].vector,
+ &(adapter->tx_ring[int_vector]));
+out:
+ kfree(adapter->msix_entries);
+ adapter->msix_entries = NULL;
+ adapter->flags &= ~IXGBE_FLAG_MSIX_ENABLED;
+ return err;
+}
+
+/**
+ * ixgbe_intr - Interrupt Handler
+ * @irq: interrupt number
+ * @data: pointer to a network interface device structure
+ * @pt_regs: CPU registers structure
+ **/
+static irqreturn_t ixgbe_intr(int irq, void *data)
+{
+ struct net_device *netdev = data;
+ struct ixgbe_adapter *adapter = netdev_priv(netdev);
+ struct ixgbe_hw *hw = &adapter->hw;
+ u32 eicr;
+
+ eicr = IXGBE_READ_REG(hw, IXGBE_EICR);
+
+ if (!eicr)
+ return IRQ_NONE; /* Not our interrupt */
+
+ if (eicr & IXGBE_EICR_LSC) {
+ adapter->lsc_int++;
+ if (!test_bit(__IXGBE_DOWN, &adapter->state))
+ mod_timer(&adapter->watchdog_timer, jiffies);
+ }
+ if (netif_rx_schedule_prep(netdev, &adapter->napi)) {
+ /* Disable interrupts and register for poll. The flush of the
+ * posted write is intentionally left out. */
+ atomic_inc(&adapter->irq_sem);
+ IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, ~0);
+ __netif_rx_schedule(netdev, &adapter->napi);
+ }
+
+ return IRQ_HANDLED;
+}
+
+/**
+ * ixgbe_request_irq - initialize interrupts
+ * @adapter: board private structure
+ *
+ * Attempts to configure interrupts using the best available
+ * capabilities of the hardware and kernel.
+ **/
+static int ixgbe_request_irq(struct ixgbe_adapter *adapter, u32 *num_rx_queues)
+{
+ struct net_device *netdev = adapter->netdev;
+ int flags, err;
+ irqreturn_t(*handler) (int, void *) = &ixgbe_intr;
+
+ flags = IRQF_SHARED;
+
+ err = ixgbe_setup_msix(adapter);
+ if (!err)
+ goto request_done;
+
+ /*
+ * if we can't do MSI-X, fall through and try MSI
+ * No need to reallocate memory since we're decreasing the number of
+ * queues. We just won't use the other ones, also it is freed correctly
+ * on ixgbe_remove.
+ */
+ *num_rx_queues = 1;
+
+ /* do MSI */
+ err = pci_enable_msi(adapter->pdev);
+ if (!err) {
+ adapter->flags |= IXGBE_FLAG_MSI_ENABLED;
+ flags &= ~IRQF_SHARED;
+ handler = &ixgbe_intr;
+ }
+
+ err = request_irq(adapter->pdev->irq, handler, flags,
+ netdev->name, netdev);
+ if (err)
+ DPRINTK(PROBE, ERR, "request_irq failed, Error %d\n", err);
+
+request_done:
+ return err;
+}
+
+static void ixgbe_free_irq(struct ixgbe_adapter *adapter)
+{
+ struct net_device *netdev = adapter->netdev;
+
+ if (adapter->flags & IXGBE_FLAG_MSIX_ENABLED) {
+ int i;
+
+ for (i = 0; i < adapter->num_tx_queues; i++)
+ free_irq(adapter->msix_entries[i].vector,
+ &(adapter->tx_ring[i]));
+ for (i = 0; i < adapter->num_rx_queues; i++)
+ free_irq(adapter->msix_entries[i +
+ adapter->num_tx_queues].vector,
+ &(adapter->rx_ring[i]));
+ i = adapter->num_rx_queues + adapter->num_tx_queues;
+ free_irq(adapter->msix_entries[i].vector, netdev);
+ pci_disable_msix(adapter->pdev);
+ kfree(adapter->msix_entries);
+ adapter->msix_entries = NULL;
+ adapter->flags &= ~IXGBE_FLAG_MSIX_ENABLED;
+ return;
+ }
+
+ free_irq(adapter->pdev->irq, netdev);
+ if (adapter->flags & IXGBE_FLAG_MSI_ENABLED) {
+ pci_disable_msi(adapter->pdev);
+ adapter->flags &= ~IXGBE_FLAG_MSI_ENABLED;
+ }
+}
+
+/**
+ * ixgbe_irq_disable - Mask off interrupt generation on the NIC
+ * @adapter: board private structure
+ **/
+static inline void ixgbe_irq_disable(struct ixgbe_adapter *adapter)
+{
+ atomic_inc(&adapter->irq_sem);
+ IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, ~0);
+ IXGBE_WRITE_FLUSH(&adapter->hw);
+ synchronize_irq(adapter->pdev->irq);
+}
+
+/**
+ * ixgbe_irq_enable - Enable default interrupt generation settings
+ * @adapter: board private structure
+ **/
+static inline void ixgbe_irq_enable(struct ixgbe_adapter *adapter)
+{
+ if (atomic_dec_and_test(&adapter->irq_sem)) {
+ if (adapter->flags & IXGBE_FLAG_MSIX_ENABLED)
+ IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIAC,
+ (IXGBE_EIMS_ENABLE_MASK &
+ ~(IXGBE_EIMS_OTHER | IXGBE_EIMS_LSC)));
+ IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMS,
+ IXGBE_EIMS_ENABLE_MASK);
+ IXGBE_WRITE_FLUSH(&adapter->hw);
+ }
+}
+
+/**
+ * ixgbe_configure_msi_and_legacy - Initialize PIN (INTA...) and MSI interrupts
+ *
+ **/
+static void ixgbe_configure_msi_and_legacy(struct ixgbe_adapter *adapter)
+{
+ int i;
+ struct ixgbe_hw *hw = &adapter->hw;
+
+ if (adapter->rx_eitr)
+ IXGBE_WRITE_REG(hw, IXGBE_EITR(0),
+ EITR_INTS_PER_SEC_TO_REG(adapter->rx_eitr));
+
+ /* for re-triggering the interrupt in non-NAPI mode */
+ adapter->rx_ring[0].eims_value = (1 << IXGBE_MSIX_VECTOR(0));
+ adapter->tx_ring[0].eims_value = (1 << IXGBE_MSIX_VECTOR(0));
+
+ ixgbe_set_ivar(adapter, IXGBE_IVAR_RX_QUEUE(0), 0);
+ for (i = 0; i < adapter->num_tx_queues; i++)
+ ixgbe_set_ivar(adapter, IXGBE_IVAR_TX_QUEUE(i), i);
+}
+
+/**
+ * ixgbe_configure_tx - Configure 8254x Transmit Unit after Reset
+ * @adapter: board private structure
+ *
+ * Configure the Tx unit of the MAC after a reset.
+ **/
+static void ixgbe_configure_tx(struct ixgbe_adapter *adapter)
+{
+ u64 tdba;
+ struct ixgbe_hw *hw = &adapter->hw;
+ u32 i, tdlen;
+
+ /* Setup the HW Tx Head and Tail descriptor pointers */
+ for (i = 0; i < adapter->num_tx_queues; i++) {
+ tdba = adapter->tx_ring[i].dma;
+ tdlen = adapter->tx_ring[i].count *
+ sizeof(union ixgbe_adv_tx_desc);
+ IXGBE_WRITE_REG(hw, IXGBE_TDBAL(i), (tdba & DMA_32BIT_MASK));
+ IXGBE_WRITE_REG(hw, IXGBE_TDBAH(i), (tdba >> 32));
+ IXGBE_WRITE_REG(hw, IXGBE_TDLEN(i), tdlen);
+ IXGBE_WRITE_REG(hw, IXGBE_TDH(i), 0);
+ IXGBE_WRITE_REG(hw, IXGBE_TDT(i), 0);
+ adapter->tx_ring[i].head = IXGBE_TDH(i);
+ adapter->tx_ring[i].tail = IXGBE_TDT(i);
+ }
+
+ IXGBE_WRITE_REG(hw, IXGBE_TIPG, IXGBE_TIPG_FIBER_DEFAULT);
+}
+
+#define PAGE_USE_COUNT(S) (((S) >> PAGE_SHIFT) + \
+ (((S) & (PAGE_SIZE - 1)) ? 1 : 0))
+
+#define IXGBE_SRRCTL_BSIZEHDRSIZE_SHIFT 2
+/**
+ * ixgbe_configure_rx - Configure 8254x Receive Unit after Reset
+ * @adapter: board private structure
+ *
+ * Configure the Rx unit of the MAC after a reset.
+ **/
+static void ixgbe_configure_rx(struct ixgbe_adapter *adapter)
+{
+ u64 rdba;
+ struct ixgbe_hw *hw = &adapter->hw;
+ struct net_device *netdev = adapter->netdev;
+ int max_frame = netdev->mtu + ETH_HLEN + ETH_FCS_LEN;
+ u32 rdlen, rxctrl, rxcsum;
+ u32 random[10];
+ u32 reta, mrqc;
+ int i;
+ u32 fctrl, hlreg0;
+ u32 srrctl;
+ u32 pages;
+
+ /* Decide whether to use packet split mode or not */
+ if (netdev->mtu > ETH_DATA_LEN)
+ adapter->flags |= IXGBE_FLAG_RX_PS_ENABLED;
+ else
+ adapter->flags &= ~IXGBE_FLAG_RX_PS_ENABLED;
+
+ /* Set the RX buffer length according to the mode */
+ if (adapter->flags & IXGBE_FLAG_RX_PS_ENABLED) {
+ adapter->rx_buf_len = IXGBE_RX_HDR_SIZE;
+ } else {
+ if (netdev->mtu <= ETH_DATA_LEN)
+ adapter->rx_buf_len = MAXIMUM_ETHERNET_VLAN_SIZE;
+ else
+ adapter->rx_buf_len = ALIGN(max_frame, 1024);
+ }
+
+ fctrl = IXGBE_READ_REG(&adapter->hw, IXGBE_FCTRL);
+ fctrl |= IXGBE_FCTRL_BAM;
+ IXGBE_WRITE_REG(&adapter->hw, IXGBE_FCTRL, fctrl);
+
+ hlreg0 = IXGBE_READ_REG(hw, IXGBE_HLREG0);
+ if (adapter->netdev->mtu <= ETH_DATA_LEN)
+ hlreg0 &= ~IXGBE_HLREG0_JUMBOEN;
+ else
+ hlreg0 |= IXGBE_HLREG0_JUMBOEN;
+ IXGBE_WRITE_REG(hw, IXGBE_HLREG0, hlreg0);
+
+ pages = PAGE_USE_COUNT(adapter->netdev->mtu);
+
+ srrctl = IXGBE_READ_REG(&adapter->hw, IXGBE_SRRCTL(0));
+ srrctl &= ~IXGBE_SRRCTL_BSIZEHDR_MASK;
+ srrctl &= ~IXGBE_SRRCTL_BSIZEPKT_MASK;
+
+ if (adapter->flags & IXGBE_FLAG_RX_PS_ENABLED) {
+ srrctl |= PAGE_SIZE >> IXGBE_SRRCTL_BSIZEPKT_SHIFT;
+ srrctl |= IXGBE_SRRCTL_DESCTYPE_HDR_SPLIT_ALWAYS;
+ srrctl |= ((IXGBE_RX_HDR_SIZE <<
+ IXGBE_SRRCTL_BSIZEHDRSIZE_SHIFT) &
+ IXGBE_SRRCTL_BSIZEHDR_MASK);
+ } else {
+ srrctl |= IXGBE_SRRCTL_DESCTYPE_ADV_ONEBUF;
+
+ if (adapter->rx_buf_len == MAXIMUM_ETHERNET_VLAN_SIZE)
+ srrctl |=
+ IXGBE_RXBUFFER_2048 >> IXGBE_SRRCTL_BSIZEPKT_SHIFT;
+ else
+ srrctl |=
+ adapter->rx_buf_len >> IXGBE_SRRCTL_BSIZEPKT_SHIFT;
+ }
+ IXGBE_WRITE_REG(&adapter->hw, IXGBE_SRRCTL(0), srrctl);
+
+ rdlen = adapter->rx_ring[0].count * sizeof(union ixgbe_adv_rx_desc);
+ /* disable receives while setting up the descriptors */
+ rxctrl = IXGBE_READ_REG(hw, IXGBE_RXCTRL);
+ IXGBE_WRITE_REG(hw, IXGBE_RXCTRL, rxctrl & ~IXGBE_RXCTRL_RXEN);
+
+ /* Setup the HW Rx Head and Tail Descriptor Pointers and
+ * the Base and Length of the Rx Descriptor Ring */
+ for (i = 0; i < adapter->num_rx_queues; i++) {
+ rdba = adapter->rx_ring[i].dma;
+ IXGBE_WRITE_REG(hw, IXGBE_RDBAL(i), (rdba & DMA_32BIT_MASK));
+ IXGBE_WRITE_REG(hw, IXGBE_RDBAH(i), (rdba >> 32));
+ IXGBE_WRITE_REG(hw, IXGBE_RDLEN(i), rdlen);
+ IXGBE_WRITE_REG(hw, IXGBE_RDH(i), 0);
+ IXGBE_WRITE_REG(hw, IXGBE_RDT(i), 0);
+ adapter->rx_ring[i].head = IXGBE_RDH(i);
+ adapter->rx_ring[i].tail = IXGBE_RDT(i);
+ }
+
+ if (adapter->num_rx_queues > 1) {
+ /* Random 40bytes used as random key in RSS hash function */
+ get_random_bytes(&random[0], 40);
+
+ switch (adapter->num_rx_queues) {
+ case 8:
+ case 4:
+ /* Bits [3:0] in each byte refers the Rx queue no */
+ reta = 0x00010203;
+ break;
+ case 2:
+ reta = 0x00010001;
+ break;
+ default:
+ reta = 0x00000000;
+ break;
+ }
+
+ /* Fill out redirection table */
+ for (i = 0; i < 32; i++) {
+ IXGBE_WRITE_REG_ARRAY(hw, IXGBE_RETA(0), i, reta);
+ if (adapter->num_rx_queues > 4) {
+ i++;
+ IXGBE_WRITE_REG_ARRAY(hw, IXGBE_RETA(0), i,
+ 0x04050607);
+ }
+ }
+
+ /* Fill out hash function seeds */
+ for (i = 0; i < 10; i++)
+ IXGBE_WRITE_REG_ARRAY(hw, IXGBE_RSSRK(0), i, random[i]);
+
+ mrqc = IXGBE_MRQC_RSSEN
+ /* Perform hash on these packet types */
+ | IXGBE_MRQC_RSS_FIELD_IPV4
+ | IXGBE_MRQC_RSS_FIELD_IPV4_TCP
+ | IXGBE_MRQC_RSS_FIELD_IPV4_UDP
+ | IXGBE_MRQC_RSS_FIELD_IPV6_EX_TCP
+ | IXGBE_MRQC_RSS_FIELD_IPV6_EX
+ | IXGBE_MRQC_RSS_FIELD_IPV6
+ | IXGBE_MRQC_RSS_FIELD_IPV6_TCP
+ | IXGBE_MRQC_RSS_FIELD_IPV6_UDP
+ | IXGBE_MRQC_RSS_FIELD_IPV6_EX_UDP;
+ IXGBE_WRITE_REG(hw, IXGBE_MRQC, mrqc);
+
+ /* Multiqueue and packet checksumming are mutually exclusive. */
+ rxcsum = IXGBE_READ_REG(hw, IXGBE_RXCSUM);
+ rxcsum |= IXGBE_RXCSUM_PCSD;
+ IXGBE_WRITE_REG(hw, IXGBE_RXCSUM, rxcsum);
+ } else {
+ /* Enable Receive Checksum Offload for TCP and UDP */
+ rxcsum = IXGBE_READ_REG(hw, IXGBE_RXCSUM);
+ if (adapter->flags & IXGBE_FLAG_RX_CSUM_ENABLED) {
+ /* Enable IPv4 payload checksum for UDP fragments
+ * Must be used in conjunction with packet-split. */
+ rxcsum |= IXGBE_RXCSUM_IPPCSE;
+ } else {
+ /* don't need to clear IPPCSE as it defaults to 0 */
+ }
+ IXGBE_WRITE_REG(hw, IXGBE_RXCSUM, rxcsum);
+ }
+ /* Enable Receives */
+ IXGBE_WRITE_REG(hw, IXGBE_RXCTRL, rxctrl);
+ rxctrl = IXGBE_READ_REG(hw, IXGBE_RXCTRL);
+}
+
+static void ixgbe_vlan_rx_register(struct net_device *netdev,
+ struct vlan_group *grp)
+{
+ struct ixgbe_adapter *adapter = netdev_priv(netdev);
+ u32 ctrl;
+
+ ixgbe_irq_disable(adapter);
+ adapter->vlgrp = grp;
+
+ if (grp) {
+ /* enable VLAN tag insert/strip */
+ ctrl = IXGBE_READ_REG(&adapter->hw, IXGBE_VLNCTRL);
+ ctrl |= IXGBE_VLNCTRL_VME | IXGBE_VLNCTRL_VFE;
+ ctrl &= ~IXGBE_VLNCTRL_CFIEN;
+ IXGBE_WRITE_REG(&adapter->hw, IXGBE_VLNCTRL, ctrl);
+ }
+
+ ixgbe_irq_enable(adapter);
+}
+
+static void ixgbe_vlan_rx_add_vid(struct net_device *netdev, u16 vid)
+{
+ struct ixgbe_adapter *adapter = netdev_priv(netdev);
+
+ /* add VID to filter table */
+ ixgbe_set_vfta(&adapter->hw, vid, 0, true);
+}
+
+static void ixgbe_vlan_rx_kill_vid(struct net_device *netdev, u16 vid)
+{
+ struct ixgbe_adapter *adapter = netdev_priv(netdev);
+
+ ixgbe_irq_disable(adapter);
+ vlan_group_set_device(adapter->vlgrp, vid, NULL);
+ ixgbe_irq_enable(adapter);
+
+ /* remove VID from filter table */
+ ixgbe_set_vfta(&adapter->hw, vid, 0, false);
+}
+
+static void ixgbe_restore_vlan(struct ixgbe_adapter *adapter)
+{
+ ixgbe_vlan_rx_register(adapter->netdev, adapter->vlgrp);
+
+ if (adapter->vlgrp) {
+ u16 vid;
+ for (vid = 0; vid < VLAN_GROUP_ARRAY_LEN; vid++) {
+ if (!vlan_group_get_device(adapter->vlgrp, vid))
+ continue;
+ ixgbe_vlan_rx_add_vid(adapter->netdev, vid);
+ }
+ }
+}
+
+/**
+ * ixgbe_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 ixgbe_set_multi(struct net_device *netdev)
+{
+ struct ixgbe_adapter *adapter = netdev_priv(netdev);
+ struct ixgbe_hw *hw = &adapter->hw;
+ struct dev_mc_list *mc_ptr;
+ u8 *mta_list;
+ u32 fctrl;
+ int i;
+
+ /* Check for Promiscuous and All Multicast modes */
+
+ fctrl = IXGBE_READ_REG(hw, IXGBE_FCTRL);
+
+ if (netdev->flags & IFF_PROMISC) {
+ fctrl |= (IXGBE_FCTRL_UPE | IXGBE_FCTRL_MPE);
+ } else if (netdev->flags & IFF_ALLMULTI) {
+ fctrl |= IXGBE_FCTRL_MPE;
+ fctrl &= ~IXGBE_FCTRL_UPE;
+ } else {
+ fctrl &= ~(IXGBE_FCTRL_UPE | IXGBE_FCTRL_MPE);
+ }
+
+ IXGBE_WRITE_REG(hw, IXGBE_FCTRL, fctrl);
+
+ if (netdev->mc_count) {
+ mta_list = kcalloc(netdev->mc_count, ETH_ALEN, GFP_ATOMIC);
+ if (!mta_list)
+ return;
+
+ /* Shared function expects packed array of only addresses. */
+ mc_ptr = netdev->mc_list;
+
+ for (i = 0; i < netdev->mc_count; i++) {
+ if (!mc_ptr)
+ break;
+ memcpy(mta_list + (i * ETH_ALEN), mc_ptr->dmi_addr,
+ ETH_ALEN);
+ mc_ptr = mc_ptr->next;
+ }
+
+ ixgbe_update_mc_addr_list(hw, mta_list, i, 0);
+ kfree(mta_list);
+ } else {
+ ixgbe_update_mc_addr_list(hw, NULL, 0, 0);
+ }
+
+}
+
+static void ixgbe_configure(struct ixgbe_adapter *adapter)
+{
+ struct net_device *netdev = adapter->netdev;
+ int i;
+
+ ixgbe_set_multi(netdev);
+
+ ixgbe_restore_vlan(adapter);
+
+ ixgbe_configure_tx(adapter);
+ ixgbe_configure_rx(adapter);
+ for (i = 0; i < adapter->num_rx_queues; i++)
+ ixgbe_alloc_rx_buffers(adapter, &adapter->rx_ring[i],
+ (adapter->rx_ring[i].count - 1));
+}
+
+static int ixgbe_up_complete(struct ixgbe_adapter *adapter)
+{
+ struct net_device *netdev = adapter->netdev;
+ int i;
+ u32 gpie = 0;
+ struct ixgbe_hw *hw = &adapter->hw;
+ u32 txdctl, rxdctl, mhadd;
+ int max_frame = netdev->mtu + ETH_HLEN + ETH_FCS_LEN;
+
+ if (adapter->flags & (IXGBE_FLAG_MSIX_ENABLED |
+ IXGBE_FLAG_MSI_ENABLED)) {
+ if (adapter->flags & IXGBE_FLAG_MSIX_ENABLED) {
+ gpie = (IXGBE_GPIE_MSIX_MODE | IXGBE_GPIE_EIAME |
+ IXGBE_GPIE_PBA_SUPPORT | IXGBE_GPIE_OCD);
+ } else {
+ /* MSI only */
+ gpie = (IXGBE_GPIE_EIAME |
+ IXGBE_GPIE_PBA_SUPPORT);
+ }
+ IXGBE_WRITE_REG(&adapter->hw, IXGBE_GPIE, gpie);
+ gpie = IXGBE_READ_REG(&adapter->hw, IXGBE_GPIE);
+ }
+
+ mhadd = IXGBE_READ_REG(hw, IXGBE_MHADD);
+
+ if (max_frame != (mhadd >> IXGBE_MHADD_MFS_SHIFT)) {
+ mhadd &= ~IXGBE_MHADD_MFS_MASK;
+ mhadd |= max_frame << IXGBE_MHADD_MFS_SHIFT;
+
+ IXGBE_WRITE_REG(hw, IXGBE_MHADD, mhadd);
+ }
+
+ for (i = 0; i < adapter->num_tx_queues; i++) {
+ txdctl = IXGBE_READ_REG(&adapter->hw, IXGBE_TXDCTL(i));
+ txdctl |= IXGBE_TXDCTL_ENABLE;
+ IXGBE_WRITE_REG(&adapter->hw, IXGBE_TXDCTL(i), txdctl);
+ }
+
+ for (i = 0; i < adapter->num_rx_queues; i++) {
+ rxdctl = IXGBE_READ_REG(&adapter->hw, IXGBE_RXDCTL(i));
+ rxdctl |= IXGBE_RXDCTL_ENABLE;
+ IXGBE_WRITE_REG(&adapter->hw, IXGBE_RXDCTL(i), rxdctl);
+ }
+ /* enable all receives */
+ rxdctl = IXGBE_READ_REG(hw, IXGBE_RXCTRL);
+ rxdctl |= (IXGBE_RXCTRL_DMBYPS | IXGBE_RXCTRL_RXEN);
+ IXGBE_WRITE_REG(hw, IXGBE_RXCTRL, rxdctl);
+
+ if (adapter->flags & IXGBE_FLAG_MSIX_ENABLED)
+ ixgbe_configure_msix(adapter);
+ else
+ ixgbe_configure_msi_and_legacy(adapter);
+
+ clear_bit(__IXGBE_DOWN, &adapter->state);
+ napi_enable(&adapter->napi);
+ ixgbe_irq_enable(adapter);
+
+ /* bring the link up in the watchdog, this could race with our first
+ * link up interrupt but shouldn't be a problem */
+ mod_timer(&adapter->watchdog_timer, jiffies);
+ return 0;
+}
+
+int ixgbe_up(struct ixgbe_adapter *adapter)
+{
+ /* hardware has been reset, we need to reload some things */
+ ixgbe_configure(adapter);
+
+ return ixgbe_up_complete(adapter);
+}
+
+void ixgbe_reset(struct ixgbe_adapter *adapter)
+{
+ if (ixgbe_init_hw(&adapter->hw))
+ DPRINTK(PROBE, ERR, "Hardware Error\n");
+
+ /* reprogram the RAR[0] in case user changed it. */
+ ixgbe_set_rar(&adapter->hw, 0, adapter->hw.mac.addr, 0, IXGBE_RAH_AV);
+
+}
+
+#ifdef CONFIG_PM
+static int ixgbe_resume(struct pci_dev *pdev)
+{
+ struct net_device *netdev = pci_get_drvdata(pdev);
+ struct ixgbe_adapter *adapter = netdev_priv(netdev);
+ u32 err, num_rx_queues = adapter->num_rx_queues;
+
+ pci_set_power_state(pdev, PCI_D0);
+ pci_restore_state(pdev);
+ err = pci_enable_device(pdev);
+ if (err) {
+ printk(KERN_ERR "ixgbe: Cannot enable PCI device from " \
+ "suspend\n");
+ return err;
+ }
+ pci_set_master(pdev);
+
+ pci_enable_wake(pdev, PCI_D3hot, 0);
+ pci_enable_wake(pdev, PCI_D3cold, 0);
+
+ if (netif_running(netdev)) {
+ err = ixgbe_request_irq(adapter, &num_rx_queues);
+ if (err)
+ return err;
+ }
+
+ ixgbe_reset(adapter);
+
+ if (netif_running(netdev))
+ ixgbe_up(adapter);
+
+ netif_device_attach(netdev);
+
+ return 0;
+}
+#endif
+
+/**
+ * ixgbe_clean_rx_ring - Free Rx Buffers per Queue
+ * @adapter: board private structure
+ * @rx_ring: ring to free buffers from
+ **/
+static void ixgbe_clean_rx_ring(struct ixgbe_adapter *adapter,
+ struct ixgbe_ring *rx_ring)
+{
+ struct pci_dev *pdev = adapter->pdev;
+ unsigned long size;
+ unsigned int i;
+
+ /* Free all the Rx ring sk_buffs */
+
+ for (i = 0; i < rx_ring->count; i++) {
+ struct ixgbe_rx_buffer *rx_buffer_info;
+
+ rx_buffer_info = &rx_ring->rx_buffer_info[i];
+ if (rx_buffer_info->dma) {
+ pci_unmap_single(pdev, rx_buffer_info->dma,
+ adapter->rx_buf_len,
+ PCI_DMA_FROMDEVICE);
+ rx_buffer_info->dma = 0;
+ }
+ if (rx_buffer_info->skb) {
+ dev_kfree_skb(rx_buffer_info->skb);
+ rx_buffer_info->skb = NULL;
+ }
+ if (!rx_buffer_info->page)
+ continue;
+ pci_unmap_page(pdev, rx_buffer_info->page_dma, PAGE_SIZE,
+ PCI_DMA_FROMDEVICE);
+ rx_buffer_info->page_dma = 0;
+
+ put_page(rx_buffer_info->page);
+ rx_buffer_info->page = NULL;
+ }
+
+ size = sizeof(struct ixgbe_rx_buffer) * rx_ring->count;
+ memset(rx_ring->rx_buffer_info, 0, size);
+
+ /* Zero out the descriptor ring */
+ memset(rx_ring->desc, 0, rx_ring->size);
+
+ rx_ring->next_to_clean = 0;
+ rx_ring->next_to_use = 0;
+
+ writel(0, adapter->hw.hw_addr + rx_ring->head);
+ writel(0, adapter->hw.hw_addr + rx_ring->tail);
+}
+
+/**
+ * ixgbe_clean_tx_ring - Free Tx Buffers
+ * @adapter: board private structure
+ * @tx_ring: ring to be cleaned
+ **/
+static void ixgbe_clean_tx_ring(struct ixgbe_adapter *adapter,
+ struct ixgbe_ring *tx_ring)
+{
+ struct ixgbe_tx_buffer *tx_buffer_info;
+ unsigned long size;
+ unsigned int i;
+
+ /* Free all the Tx ring sk_buffs */
+
+ for (i = 0; i < tx_ring->count; i++) {
+ tx_buffer_info = &tx_ring->tx_buffer_info[i];
+ ixgbe_unmap_and_free_tx_resource(adapter, tx_buffer_info);
+ }
+
+ size = sizeof(struct ixgbe_tx_buffer) * tx_ring->count;
+ memset(tx_ring->tx_buffer_info, 0, size);
+
+ /* Zero out the descriptor ring */
+ memset(tx_ring->desc, 0, tx_ring->size);
+
+ tx_ring->next_to_use = 0;
+ tx_ring->next_to_clean = 0;
+
+ writel(0, adapter->hw.hw_addr + tx_ring->head);
+ writel(0, adapter->hw.hw_addr + tx_ring->tail);
+}
+
+/**
+ * ixgbe_clean_all_tx_rings - Free Tx Buffers for all queues
+ * @adapter: board private structure
+ **/
+static void ixgbe_clean_all_tx_rings(struct ixgbe_adapter *adapter)
+{
+ int i;
+
+ for (i = 0; i < adapter->num_tx_queues; i++)
+ ixgbe_clean_tx_ring(adapter, &adapter->tx_ring[i]);
+}
+
+/**
+ * ixgbe_clean_all_rx_rings - Free Rx Buffers for all queues
+ * @adapter: board private structure
+ **/
+static void ixgbe_clean_all_rx_rings(struct ixgbe_adapter *adapter)
+{
+ int i;
+
+ for (i = 0; i < adapter->num_rx_queues; i++)
+ ixgbe_clean_rx_ring(adapter, &adapter->rx_ring[i]);
+}
+
+void ixgbe_down(struct ixgbe_adapter *adapter)
+{
+ struct net_device *netdev = adapter->netdev;
+ u32 rxctrl;
+
+ /* signal that we are down to the interrupt handler */
+ set_bit(__IXGBE_DOWN, &adapter->state);
+
+ /* disable receives */
+ rxctrl = IXGBE_READ_REG(&adapter->hw, IXGBE_RXCTRL);
+ IXGBE_WRITE_REG(&adapter->hw, IXGBE_RXCTRL,
+ rxctrl & ~IXGBE_RXCTRL_RXEN);
+
+ netif_tx_disable(netdev);
+
+ /* disable transmits in the hardware */
+
+ /* flush both disables */
+ IXGBE_WRITE_FLUSH(&adapter->hw);
+ msleep(10);
+
+ ixgbe_irq_disable(adapter);
+
+ napi_disable(&adapter->napi);
+ del_timer_sync(&adapter->watchdog_timer);
+
+ netif_carrier_off(netdev);
+ netif_stop_queue(netdev);
+
+ ixgbe_reset(adapter);
+ ixgbe_clean_all_tx_rings(adapter);
+ ixgbe_clean_all_rx_rings(adapter);
+
+}
+
+static int ixgbe_suspend(struct pci_dev *pdev, pm_message_t state)
+{
+ struct net_device *netdev = pci_get_drvdata(pdev);
+ struct ixgbe_adapter *adapter = netdev_priv(netdev);
+#ifdef CONFIG_PM
+ int retval = 0;
+#endif
+
+ netif_device_detach(netdev);
+
+ if (netif_running(netdev)) {
+ ixgbe_down(adapter);
+ ixgbe_free_irq(adapter);
+ }
+
+#ifdef CONFIG_PM
+ retval = pci_save_state(pdev);
+ if (retval)
+ return retval;
+#endif
+
+ pci_enable_wake(pdev, PCI_D3hot, 0);
+ pci_enable_wake(pdev, PCI_D3cold, 0);
+
+ pci_disable_device(pdev);
+
+ pci_set_power_state(pdev, pci_choose_state(pdev, state));
+
+ return 0;
+}
+
+static void ixgbe_shutdown(struct pci_dev *pdev)
+{
+ ixgbe_suspend(pdev, PMSG_SUSPEND);
+}
+
+/**
+ * ixgbe_clean - NAPI Rx polling callback
+ * @adapter: board private structure
+ **/
+static int ixgbe_clean(struct napi_struct *napi, int budget)
+{
+ struct ixgbe_adapter *adapter = container_of(napi,
+ struct ixgbe_adapter, napi);
+ struct net_device *netdev = adapter->netdev;
+ int tx_cleaned = 0, work_done = 0;
+
+ /* Keep link state information with original netdev */
+ if (!netif_carrier_ok(adapter->netdev))
+ goto quit_polling;
+
+ /* In non-MSIX case, there is no multi-Tx/Rx queue */
+ tx_cleaned = ixgbe_clean_tx_irq(adapter, adapter->tx_ring);
+ ixgbe_clean_rx_irq(adapter, &adapter->rx_ring[0], &work_done,
+ budget);
+
+ /* If no Tx and not enough Rx work done, exit the polling mode */
+ if ((!tx_cleaned && (work_done < budget)) ||
+ !netif_running(adapter->netdev)) {
+quit_polling:
+ netif_rx_complete(netdev, napi);
+ ixgbe_irq_enable(adapter);
+ }
+
+ return work_done;
+}
+
+/**
+ * ixgbe_tx_timeout - Respond to a Tx Hang
+ * @netdev: network interface device structure
+ **/
+static void ixgbe_tx_timeout(struct net_device *netdev)
+{
+ struct ixgbe_adapter *adapter = netdev_priv(netdev);
+
+ /* Do the reset outside of interrupt context */
+ schedule_work(&adapter->reset_task);
+}
+
+static void ixgbe_reset_task(struct work_struct *work)
+{
+ struct ixgbe_adapter *adapter;
+ adapter = container_of(work, struct ixgbe_adapter, reset_task);
+
+ adapter->tx_timeout_count++;
+
+ ixgbe_down(adapter);
+ ixgbe_up(adapter);
+}
+
+/**
+ * ixgbe_alloc_queues - Allocate memory for all rings
+ * @adapter: board private structure to initialize
+ *
+ * We allocate one ring per queue at run-time since we don't know the
+ * number of queues at compile-time. The polling_netdev array is
+ * intended for Multiqueue, but should work fine with a single queue.
+ **/
+static int __devinit ixgbe_alloc_queues(struct ixgbe_adapter *adapter)
+{
+ int i;
+
+ adapter->tx_ring = kcalloc(adapter->num_tx_queues,
+ sizeof(struct ixgbe_ring), GFP_KERNEL);
+ if (!adapter->tx_ring)
+ return -ENOMEM;
+
+ for (i = 0; i < adapter->num_tx_queues; i++)
+ adapter->tx_ring[i].count = IXGBE_DEFAULT_TXD;
+
+ adapter->rx_ring = kcalloc(adapter->num_rx_queues,
+ sizeof(struct ixgbe_ring), GFP_KERNEL);
+ if (!adapter->rx_ring) {
+ kfree(adapter->tx_ring);
+ return -ENOMEM;
+ }
+
+ for (i = 0; i < adapter->num_rx_queues; i++) {
+ adapter->rx_ring[i].adapter = adapter;
+ adapter->rx_ring[i].itr_register = IXGBE_EITR(i);
+ adapter->rx_ring[i].count = IXGBE_DEFAULT_RXD;
+ }
+
+ return 0;
+}
+
+/**
+ * ixgbe_sw_init - Initialize general software structures (struct ixgbe_adapter)
+ * @adapter: board private structure to initialize
+ *
+ * ixgbe_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 ixgbe_sw_init(struct ixgbe_adapter *adapter)
+{
+ struct ixgbe_hw *hw = &adapter->hw;
+ struct pci_dev *pdev = adapter->pdev;
+
+ /* default flow control settings */
+ hw->fc.original_type = ixgbe_fc_full;
+ hw->fc.type = ixgbe_fc_full;
+
+ hw->mac.link_mode_select = IXGBE_AUTOC_LMS_10G_LINK_NO_AN;
+ if (hw->mac.ops.reset(hw)) {
+ dev_err(&pdev->dev, "HW Init failed\n");
+ return -EIO;
+ }
+ if (hw->phy.ops.setup_speed(hw, IXGBE_LINK_SPEED_10GB_FULL, true,
+ false)) {
+ dev_err(&pdev->dev, "Link Speed setup failed\n");
+ return -EIO;
+ }
+
+ /* initialize eeprom parameters */
+ if (ixgbe_init_eeprom(hw)) {
+ dev_err(&pdev->dev, "EEPROM initialization failed\n");
+ return -EIO;
+ }
+
+ /* Set the default values */
+ adapter->num_rx_queues = IXGBE_DEFAULT_RXQ;
+ adapter->num_tx_queues = 1;
+ adapter->flags |= IXGBE_FLAG_RX_CSUM_ENABLED;
+
+ if (ixgbe_alloc_queues(adapter)) {
+ dev_err(&pdev->dev, "Unable to allocate memory for queues\n");
+ return -ENOMEM;
+ }
+
+ atomic_set(&adapter->irq_sem, 1);
+ set_bit(__IXGBE_DOWN, &adapter->state);
+
+ return 0;
+}
+
+/**
+ * ixgbe_setup_tx_resources - allocate Tx resources (Descriptors)
+ * @adapter: board private structure
+ * @txdr: tx descriptor ring (for a specific queue) to setup
+ *
+ * Return 0 on success, negative on failure
+ **/
+int ixgbe_setup_tx_resources(struct ixgbe_adapter *adapter,
+ struct ixgbe_ring *txdr)
+{
+ struct pci_dev *pdev = adapter->pdev;
+ int size;
+
+ size = sizeof(struct ixgbe_tx_buffer) * txdr->count;
+ txdr->tx_buffer_info = vmalloc(size);
+ if (!txdr->tx_buffer_info) {
+ DPRINTK(PROBE, ERR,
+ "Unable to allocate memory for the transmit descriptor ring\n");
+ return -ENOMEM;
+ }
+ memset(txdr->tx_buffer_info, 0, size);
+
+ /* round up to nearest 4K */
+ txdr->size = txdr->count * sizeof(union ixgbe_adv_tx_desc);
+ txdr->size = ALIGN(txdr->size, 4096);
+
+ txdr->desc = pci_alloc_consistent(pdev, txdr->size, &txdr->dma);
+ if (!txdr->desc) {
+ vfree(txdr->tx_buffer_info);
+ DPRINTK(PROBE, ERR,
+ "Memory allocation failed for the tx desc ring\n");
+ return -ENOMEM;
+ }
+
+ txdr->adapter = adapter;
+ txdr->next_to_use = 0;
+ txdr->next_to_clean = 0;
+ txdr->work_limit = txdr->count;
+ spin_lock_init(&txdr->tx_lock);
+
+ return 0;
+}
+
+/**
+ * ixgbe_setup_rx_resources - allocate Rx resources (Descriptors)
+ * @adapter: board private structure
+ * @rxdr: rx descriptor ring (for a specific queue) to setup
+ *
+ * Returns 0 on success, negative on failure
+ **/
+int ixgbe_setup_rx_resources(struct ixgbe_adapter *adapter,
+ struct ixgbe_ring *rxdr)
+{
+ struct pci_dev *pdev = adapter->pdev;
+ int size, desc_len;
+
+ size = sizeof(struct ixgbe_rx_buffer) * rxdr->count;
+ rxdr->rx_buffer_info = vmalloc(size);
+ if (!rxdr->rx_buffer_info) {
+ DPRINTK(PROBE, ERR,
+ "vmalloc allocation failed for the rx desc ring\n");
+ return -ENOMEM;
+ }
+ memset(rxdr->rx_buffer_info, 0, size);
+
+ desc_len = sizeof(union ixgbe_adv_rx_desc);
+
+ /* Round up to nearest 4K */
+ rxdr->size = rxdr->count * desc_len;
+ rxdr->size = ALIGN(rxdr->size, 4096);
+
+ rxdr->desc = pci_alloc_consistent(pdev, rxdr->size, &rxdr->dma);
+
+ if (!rxdr->desc) {
+ DPRINTK(PROBE, ERR,
+ "Memory allocation failed for the rx desc ring\n");
+ vfree(rxdr->rx_buffer_info);
+ return -ENOMEM;
+ }
+
+ rxdr->next_to_clean = 0;
+ rxdr->next_to_use = 0;
+ rxdr->adapter = adapter;
+
+ return 0;
+}
+
+/**
+ * ixgbe_free_tx_resources - Free Tx Resources per Queue
+ * @adapter: board private structure
+ * @tx_ring: Tx descriptor ring for a specific queue
+ *
+ * Free all transmit software resources
+ **/
+static void ixgbe_free_tx_resources(struct ixgbe_adapter *adapter,
+ struct ixgbe_ring *tx_ring)
+{
+ struct pci_dev *pdev = adapter->pdev;
+
+ ixgbe_clean_tx_ring(adapter, tx_ring);
+
+ vfree(tx_ring->tx_buffer_info);
+ tx_ring->tx_buffer_info = NULL;
+
+ pci_free_consistent(pdev, tx_ring->size, tx_ring->desc, tx_ring->dma);
+
+ tx_ring->desc = NULL;
+}
+
+/**
+ * ixgbe_free_all_tx_resources - Free Tx Resources for All Queues
+ * @adapter: board private structure
+ *
+ * Free all transmit software resources
+ **/
+static void ixgbe_free_all_tx_resources(struct ixgbe_adapter *adapter)
+{
+ int i;
+
+ for (i = 0; i < adapter->num_tx_queues; i++)
+ ixgbe_free_tx_resources(adapter, &adapter->tx_ring[i]);
+}
+
+/**
+ * ixgbe_free_rx_resources - Free Rx Resources
+ * @adapter: board private structure
+ * @rx_ring: ring to clean the resources from
+ *
+ * Free all receive software resources
+ **/
+static void ixgbe_free_rx_resources(struct ixgbe_adapter *adapter,
+ struct ixgbe_ring *rx_ring)
+{
+ struct pci_dev *pdev = adapter->pdev;
+
+ ixgbe_clean_rx_ring(adapter, rx_ring);
+
+ vfree(rx_ring->rx_buffer_info);
+ rx_ring->rx_buffer_info = NULL;
+
+ pci_free_consistent(pdev, rx_ring->size, rx_ring->desc, rx_ring->dma);
+
+ rx_ring->desc = NULL;
+}
+
+/**
+ * ixgbe_free_all_rx_resources - Free Rx Resources for All Queues
+ * @adapter: board private structure
+ *
+ * Free all receive software resources
+ **/
+static void ixgbe_free_all_rx_resources(struct ixgbe_adapter *adapter)
+{
+ int i;
+
+ for (i = 0; i < adapter->num_rx_queues; i++)
+ ixgbe_free_rx_resources(adapter, &adapter->rx_ring[i]);
+}
+
+/**
+ * ixgbe_setup_all_tx_resources - wrapper to allocate Tx resources
+ * (Descriptors) for all queues
+ * @adapter: board private structure
+ *
+ * If this function returns with an error, then it's possible one or
+ * more of the rings is populated (while the rest are not). It is the
+ * callers duty to clean those orphaned rings.
+ *
+ * Return 0 on success, negative on failure
+ **/
+static int ixgbe_setup_all_tx_resources(struct ixgbe_adapter *adapter)
+{
+ int i, err = 0;
+
+ for (i = 0; i < adapter->num_tx_queues; i++) {
+ err = ixgbe_setup_tx_resources(adapter, &adapter->tx_ring[i]);
+ if (err) {
+ DPRINTK(PROBE, ERR,
+ "Allocation for Tx Queue %u failed\n", i);
+ break;
+ }
+ }
+
+ return err;
+}
+
+/**
+ * ixgbe_setup_all_rx_resources - wrapper to allocate Rx resources
+ * (Descriptors) for all queues
+ * @adapter: board private structure
+ *
+ * If this function returns with an error, then it's possible one or
+ * more of the rings is populated (while the rest are not). It is the
+ * callers duty to clean those orphaned rings.
+ *
+ * Return 0 on success, negative on failure
+ **/
+
+static int ixgbe_setup_all_rx_resources(struct ixgbe_adapter *adapter)
+{
+ int i, err = 0;
+
+ for (i = 0; i < adapter->num_rx_queues; i++) {
+ err = ixgbe_setup_rx_resources(adapter, &adapter->rx_ring[i]);
+ if (err) {
+ DPRINTK(PROBE, ERR,
+ "Allocation for Rx Queue %u failed\n", i);
+ break;
+ }
+ }
+
+ return err;
+}
+
+/**
+ * ixgbe_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 ixgbe_change_mtu(struct net_device *netdev, int new_mtu)
+{
+ struct ixgbe_adapter *adapter = netdev_priv(netdev);
+ int max_frame = new_mtu + ETH_HLEN + ETH_FCS_LEN;
+
+ if ((max_frame < (ETH_ZLEN + ETH_FCS_LEN)) ||
+ (max_frame > IXGBE_MAX_JUMBO_FRAME_SIZE))
+ return -EINVAL;
+
+ netdev->mtu = new_mtu;
+
+ if (netif_running(netdev)) {
+ ixgbe_down(adapter);
+ ixgbe_up(adapter);
+ }
+
+ return 0;
+}
+
+/**
+ * ixgbe_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 ixgbe_open(struct net_device *netdev)
+{
+ struct ixgbe_adapter *adapter = netdev_priv(netdev);
+ int err;
+ u32 ctrl_ext;
+ u32 num_rx_queues = adapter->num_rx_queues;
+
+ /* Let firmware know the driver has taken over */
+ ctrl_ext = IXGBE_READ_REG(&adapter->hw, IXGBE_CTRL_EXT);
+ IXGBE_WRITE_REG(&adapter->hw, IXGBE_CTRL_EXT,
+ ctrl_ext | IXGBE_CTRL_EXT_DRV_LOAD);
+
+try_intr_reinit:
+ /* allocate transmit descriptors */
+ err = ixgbe_setup_all_tx_resources(adapter);
+ if (err)
+ goto err_setup_tx;
+
+ if (!(adapter->flags & IXGBE_FLAG_MSIX_ENABLED)) {
+ num_rx_queues = 1;
+ adapter->num_rx_queues = num_rx_queues;
+ }
+
+ /* allocate receive descriptors */
+ err = ixgbe_setup_all_rx_resources(adapter);
+ if (err)
+ goto err_setup_rx;
+
+ ixgbe_configure(adapter);
+
+ err = ixgbe_request_irq(adapter, &num_rx_queues);
+ if (err)
+ goto err_req_irq;
+
+ /* ixgbe_request might have reduced num_rx_queues */
+ if (num_rx_queues < adapter->num_rx_queues) {
+ /* We didn't get MSI-X, so we need to release everything,
+ * set our Rx queue count to num_rx_queues, and redo the
+ * whole init process.
+ */
+ ixgbe_free_irq(adapter);
+ if (adapter->flags & IXGBE_FLAG_MSI_ENABLED) {
+ pci_disable_msi(adapter->pdev);
+ adapter->flags &= ~IXGBE_FLAG_MSI_ENABLED;
+ }
+ ixgbe_free_all_rx_resources(adapter);
+ ixgbe_free_all_tx_resources(adapter);
+ adapter->num_rx_queues = num_rx_queues;
+
+ /* Reset the hardware, and start over. */
+ ixgbe_reset(adapter);
+
+ goto try_intr_reinit;
+ }
+
+ err = ixgbe_up_complete(adapter);
+ if (err)
+ goto err_up;
+
+ return 0;
+
+err_up:
+ ixgbe_free_irq(adapter);
+err_req_irq:
+ ixgbe_free_all_rx_resources(adapter);
+err_setup_rx:
+ ixgbe_free_all_tx_resources(adapter);
+err_setup_tx:
+ ixgbe_reset(adapter);
+
+ return err;
+}
+
+/**
+ * ixgbe_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 ixgbe_close(struct net_device *netdev)
+{
+ struct ixgbe_adapter *adapter = netdev_priv(netdev);
+ u32 ctrl_ext;
+
+ ixgbe_down(adapter);
+ ixgbe_free_irq(adapter);
+
+ ixgbe_free_all_tx_resources(adapter);
+ ixgbe_free_all_rx_resources(adapter);
+
+ ctrl_ext = IXGBE_READ_REG(&adapter->hw, IXGBE_CTRL_EXT);
+ IXGBE_WRITE_REG(&adapter->hw, IXGBE_CTRL_EXT,
+ ctrl_ext & ~IXGBE_CTRL_EXT_DRV_LOAD);
+
+ return 0;
+}
+
+/**
+ * ixgbe_update_stats - Update the board statistics counters.
+ * @adapter: board private structure
+ **/
+void ixgbe_update_stats(struct ixgbe_adapter *adapter)
+{
+ struct ixgbe_hw *hw = &adapter->hw;
+ u64 good_rx, missed_rx, bprc;
+
+ adapter->stats.crcerrs += IXGBE_READ_REG(hw, IXGBE_CRCERRS);
+ good_rx = IXGBE_READ_REG(hw, IXGBE_GPRC);
+ missed_rx = IXGBE_READ_REG(hw, IXGBE_MPC(0));
+ missed_rx += IXGBE_READ_REG(hw, IXGBE_MPC(1));
+ missed_rx += IXGBE_READ_REG(hw, IXGBE_MPC(2));
+ missed_rx += IXGBE_READ_REG(hw, IXGBE_MPC(3));
+ missed_rx += IXGBE_READ_REG(hw, IXGBE_MPC(4));
+ missed_rx += IXGBE_READ_REG(hw, IXGBE_MPC(5));
+ missed_rx += IXGBE_READ_REG(hw, IXGBE_MPC(6));
+ missed_rx += IXGBE_READ_REG(hw, IXGBE_MPC(7));
+ adapter->stats.gprc += (good_rx - missed_rx);
+
+ adapter->stats.mpc[0] += missed_rx;
+ adapter->stats.gorc += IXGBE_READ_REG(hw, IXGBE_GORCH);
+ bprc = IXGBE_READ_REG(hw, IXGBE_BPRC);
+ adapter->stats.bprc += bprc;
+ adapter->stats.mprc += IXGBE_READ_REG(hw, IXGBE_MPRC);
+ adapter->stats.mprc -= bprc;
+ adapter->stats.roc += IXGBE_READ_REG(hw, IXGBE_ROC);
+ adapter->stats.prc64 += IXGBE_READ_REG(hw, IXGBE_PRC64);
+ adapter->stats.prc127 += IXGBE_READ_REG(hw, IXGBE_PRC127);
+ adapter->stats.prc255 += IXGBE_READ_REG(hw, IXGBE_PRC255);
+ adapter->stats.prc511 += IXGBE_READ_REG(hw, IXGBE_PRC511);
+ adapter->stats.prc1023 += IXGBE_READ_REG(hw, IXGBE_PRC1023);
+ adapter->stats.prc1522 += IXGBE_READ_REG(hw, IXGBE_PRC1522);
+
+ adapter->stats.rlec += IXGBE_READ_REG(hw, IXGBE_RLEC);
+ adapter->stats.lxonrxc += IXGBE_READ_REG(hw, IXGBE_LXONRXC);
+ adapter->stats.lxontxc += IXGBE_READ_REG(hw, IXGBE_LXONTXC);
+ adapter->stats.lxoffrxc += IXGBE_READ_REG(hw, IXGBE_LXOFFRXC);
+ adapter->stats.lxofftxc += IXGBE_READ_REG(hw, IXGBE_LXOFFTXC);
+ adapter->stats.ruc += IXGBE_READ_REG(hw, IXGBE_RUC);
+ adapter->stats.gptc += IXGBE_READ_REG(hw, IXGBE_GPTC);
+ adapter->stats.gotc += IXGBE_READ_REG(hw, IXGBE_GOTCH);
+ adapter->stats.rnbc[0] += IXGBE_READ_REG(hw, IXGBE_RNBC(0));
+ adapter->stats.ruc += IXGBE_READ_REG(hw, IXGBE_RUC);
+ adapter->stats.rfc += IXGBE_READ_REG(hw, IXGBE_RFC);
+ adapter->stats.rjc += IXGBE_READ_REG(hw, IXGBE_RJC);
+ adapter->stats.tor += IXGBE_READ_REG(hw, IXGBE_TORH);
+ adapter->stats.tpr += IXGBE_READ_REG(hw, IXGBE_TPR);
+ adapter->stats.ptc64 += IXGBE_READ_REG(hw, IXGBE_PTC64);
+ adapter->stats.ptc127 += IXGBE_READ_REG(hw, IXGBE_PTC127);
+ adapter->stats.ptc255 += IXGBE_READ_REG(hw, IXGBE_PTC255);
+ adapter->stats.ptc511 += IXGBE_READ_REG(hw, IXGBE_PTC511);
+ adapter->stats.ptc1023 += IXGBE_READ_REG(hw, IXGBE_PTC1023);
+ adapter->stats.ptc1522 += IXGBE_READ_REG(hw, IXGBE_PTC1522);
+ adapter->stats.mptc += IXGBE_READ_REG(hw, IXGBE_MPTC);
+ adapter->stats.bptc += IXGBE_READ_REG(hw, IXGBE_BPTC);
+
+ /* Fill out the OS statistics structure */
+ adapter->net_stats.rx_packets = adapter->stats.gprc;
+ adapter->net_stats.tx_packets = adapter->stats.gptc;
+ adapter->net_stats.rx_bytes = adapter->stats.gorc;
+ adapter->net_stats.tx_bytes = adapter->stats.gotc;
+ adapter->net_stats.multicast = adapter->stats.mprc;
+
+ /* Rx Errors */
+ adapter->net_stats.rx_errors = adapter->stats.crcerrs +
+ adapter->stats.rlec;
+ adapter->net_stats.rx_dropped = 0;
+ adapter->net_stats.rx_length_errors = adapter->stats.rlec;
+ adapter->net_stats.rx_crc_errors = adapter->stats.crcerrs;
+ adapter->net_stats.rx_missed_errors = adapter->stats.mpc[0];
+
+}
+
+/**
+ * ixgbe_watchdog - Timer Call-back
+ * @data: pointer to adapter cast into an unsigned long
+ **/
+static void ixgbe_watchdog(unsigned long data)
+{
+ struct ixgbe_adapter *adapter = (struct ixgbe_adapter *)data;
+ struct net_device *netdev = adapter->netdev;
+ bool link_up;
+ u32 link_speed = 0;
+
+ adapter->hw.phy.ops.check(&adapter->hw, &(link_speed), &link_up);
+
+ if (link_up) {
+ if (!netif_carrier_ok(netdev)) {
+ u32 frctl = IXGBE_READ_REG(&adapter->hw, IXGBE_FCTRL);
+ u32 rmcs = IXGBE_READ_REG(&adapter->hw, IXGBE_RMCS);
+#define FLOW_RX (frctl & IXGBE_FCTRL_RFCE)
+#define FLOW_TX (rmcs & IXGBE_RMCS_TFCE_802_3X)
+ DPRINTK(LINK, INFO, "NIC Link is Up %s, "
+ "Flow Control: %s\n",
+ (link_speed == IXGBE_LINK_SPEED_10GB_FULL ?
+ "10 Gbps" :
+ (link_speed == IXGBE_LINK_SPEED_1GB_FULL ?
+ "1 Gpbs" : "unknown speed")),
+ ((FLOW_RX && FLOW_TX) ? "RX/TX" :
+ (FLOW_RX ? "RX" :
+ (FLOW_TX ? "TX" : "None"))));
+
+ netif_carrier_on(netdev);
+ netif_wake_queue(netdev);
+ } else {
+ /* Force detection of hung controller */
+ adapter->detect_tx_hung = true;
+ }
+ } else {
+ if (netif_carrier_ok(netdev)) {
+ DPRINTK(LINK, INFO, "NIC Link is Down\n");
+ netif_carrier_off(netdev);
+ netif_stop_queue(netdev);
+ }
+ }
+
+ ixgbe_update_stats(adapter);
+
+ /* Reset the timer */
+ if (!test_bit(__IXGBE_DOWN, &adapter->state))
+ mod_timer(&adapter->watchdog_timer,
+ round_jiffies(jiffies + 2 * HZ));
+}
+
+#define IXGBE_MAX_TXD_PWR 14
+#define IXGBE_MAX_DATA_PER_TXD (1 << IXGBE_MAX_TXD_PWR)
+
+/* Tx Descriptors needed, worst case */
+#define TXD_USE_COUNT(S) (((S) >> IXGBE_MAX_TXD_PWR) + \
+ (((S) & (IXGBE_MAX_DATA_PER_TXD - 1)) ? 1 : 0))
+#define DESC_NEEDED (TXD_USE_COUNT(IXGBE_MAX_DATA_PER_TXD) /* skb->data */ + \
+ MAX_SKB_FRAGS * TXD_USE_COUNT(PAGE_SIZE) + 1) /* for context */
+
+static int ixgbe_tso(struct ixgbe_adapter *adapter,
+ struct ixgbe_ring *tx_ring, struct sk_buff *skb,
+ u32 tx_flags, u8 *hdr_len)
+{
+ struct ixgbe_adv_tx_context_desc *context_desc;
+ unsigned int i;
+ int err;
+ struct ixgbe_tx_buffer *tx_buffer_info;
+ u32 vlan_macip_lens = 0, type_tucmd_mlhl = 0;
+ u32 mss_l4len_idx = 0, l4len;
+ *hdr_len = 0;
+
+ if (skb_is_gso(skb)) {
+ if (skb_header_cloned(skb)) {
+ err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC);
+ if (err)
+ return err;
+ }
+ l4len = tcp_hdrlen(skb);
+ *hdr_len += l4len;
+
+ if (skb->protocol == ntohs(ETH_P_IP)) {
+ struct iphdr *iph = ip_hdr(skb);
+ iph->tot_len = 0;
+ iph->check = 0;
+ tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr,
+ iph->daddr, 0,
+ IPPROTO_TCP,
+ 0);
+ adapter->hw_tso_ctxt++;
+ } else if (skb_shinfo(skb)->gso_type == SKB_GSO_TCPV6) {
+ ipv6_hdr(skb)->payload_len = 0;
+ tcp_hdr(skb)->check =
+ ~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
+ &ipv6_hdr(skb)->daddr,
+ 0, IPPROTO_TCP, 0);
+ adapter->hw_tso6_ctxt++;
+ }
+
+ i = tx_ring->next_to_use;
+
+ tx_buffer_info = &tx_ring->tx_buffer_info[i];
+ context_desc = IXGBE_TX_CTXTDESC_ADV(*tx_ring, i);
+
+ /* VLAN MACLEN IPLEN */
+ if (tx_flags & IXGBE_TX_FLAGS_VLAN)
+ vlan_macip_lens |=
+ (tx_flags & IXGBE_TX_FLAGS_VLAN_MASK);
+ vlan_macip_lens |= ((skb_network_offset(skb)) <<
+ IXGBE_ADVTXD_MACLEN_SHIFT);
+ *hdr_len += skb_network_offset(skb);
+ vlan_macip_lens |=
+ (skb_transport_header(skb) - skb_network_header(skb));
+ *hdr_len +=
+ (skb_transport_header(skb) - skb_network_header(skb));
+ context_desc->vlan_macip_lens = cpu_to_le32(vlan_macip_lens);
+ context_desc->seqnum_seed = 0;
+
+ /* ADV DTYP TUCMD MKRLOC/ISCSIHEDLEN */
+ type_tucmd_mlhl |= (IXGBE_TXD_CMD_DEXT |
+ IXGBE_ADVTXD_DTYP_CTXT);
+
+ if (skb->protocol == ntohs(ETH_P_IP))
+ type_tucmd_mlhl |= IXGBE_ADVTXD_TUCMD_IPV4;
+ type_tucmd_mlhl |= IXGBE_ADVTXD_TUCMD_L4T_TCP;
+ context_desc->type_tucmd_mlhl = cpu_to_le32(type_tucmd_mlhl);
+
+ /* MSS L4LEN IDX */
+ mss_l4len_idx |=
+ (skb_shinfo(skb)->gso_size << IXGBE_ADVTXD_MSS_SHIFT);
+ mss_l4len_idx |= (l4len << IXGBE_ADVTXD_L4LEN_SHIFT);
+ context_desc->mss_l4len_idx = cpu_to_le32(mss_l4len_idx);
+
+ tx_buffer_info->time_stamp = jiffies;
+ tx_buffer_info->next_to_watch = i;
+
+ i++;
+ if (i == tx_ring->count)
+ i = 0;
+ tx_ring->next_to_use = i;
+
+ return true;
+ }
+ return false;
+}
+
+static bool ixgbe_tx_csum(struct ixgbe_adapter *adapter,
+ struct ixgbe_ring *tx_ring,
+ struct sk_buff *skb, u32 tx_flags)
+{
+ struct ixgbe_adv_tx_context_desc *context_desc;
+ unsigned int i;
+ struct ixgbe_tx_buffer *tx_buffer_info;
+ u32 vlan_macip_lens = 0, type_tucmd_mlhl = 0;
+
+ if (skb->ip_summed == CHECKSUM_PARTIAL ||
+ (tx_flags & IXGBE_TX_FLAGS_VLAN)) {
+ i = tx_ring->next_to_use;
+ tx_buffer_info = &tx_ring->tx_buffer_info[i];
+ context_desc = IXGBE_TX_CTXTDESC_ADV(*tx_ring, i);
+
+ if (tx_flags & IXGBE_TX_FLAGS_VLAN)
+ vlan_macip_lens |=
+ (tx_flags & IXGBE_TX_FLAGS_VLAN_MASK);
+ vlan_macip_lens |= (skb_network_offset(skb) <<
+ IXGBE_ADVTXD_MACLEN_SHIFT);
+ if (skb->ip_summed == CHECKSUM_PARTIAL)
+ vlan_macip_lens |= (skb_transport_header(skb) -
+ skb_network_header(skb));
+
+ context_desc->vlan_macip_lens = cpu_to_le32(vlan_macip_lens);
+ context_desc->seqnum_seed = 0;
+
+ type_tucmd_mlhl |= (IXGBE_TXD_CMD_DEXT |
+ IXGBE_ADVTXD_DTYP_CTXT);
+
+ if (skb->ip_summed == CHECKSUM_PARTIAL) {
+ if (skb->protocol == ntohs(ETH_P_IP))
+ type_tucmd_mlhl |= IXGBE_ADVTXD_TUCMD_IPV4;
+
+ if (skb->sk->sk_protocol == IPPROTO_TCP)
+ type_tucmd_mlhl |= IXGBE_ADVTXD_TUCMD_L4T_TCP;
+ }
+
+ context_desc->type_tucmd_mlhl = cpu_to_le32(type_tucmd_mlhl);
+ context_desc->mss_l4len_idx = 0;
+
+ tx_buffer_info->time_stamp = jiffies;
+ tx_buffer_info->next_to_watch = i;
+ adapter->hw_csum_tx_good++;
+ i++;
+ if (i == tx_ring->count)
+ i = 0;
+ tx_ring->next_to_use = i;
+
+ return true;
+ }
+ return false;
+}
+
+static int ixgbe_tx_map(struct ixgbe_adapter *adapter,
+ struct ixgbe_ring *tx_ring,
+ struct sk_buff *skb, unsigned int first)
+{
+ struct ixgbe_tx_buffer *tx_buffer_info;
+ unsigned int len = skb->len;
+ unsigned int offset = 0, size, count = 0, i;
+ unsigned int nr_frags = skb_shinfo(skb)->nr_frags;
+ unsigned int f;
+
+ len -= skb->data_len;
+
+ i = tx_ring->next_to_use;
+
+ while (len) {
+ tx_buffer_info = &tx_ring->tx_buffer_info[i];
+ size = min(len, (uint)IXGBE_MAX_DATA_PER_TXD);
+
+ tx_buffer_info->length = size;
+ tx_buffer_info->dma = pci_map_single(adapter->pdev,
+ skb->data + offset,
+ size, PCI_DMA_TODEVICE);
+ tx_buffer_info->time_stamp = jiffies;
+ tx_buffer_info->next_to_watch = i;
+
+ len -= size;
+ offset += size;
+ count++;
+ i++;
+ if (i == tx_ring->count)
+ i = 0;
+ }
+
+ for (f = 0; f < nr_frags; f++) {
+ struct skb_frag_struct *frag;
+
+ frag = &skb_shinfo(skb)->frags[f];
+ len = frag->size;
+ offset = frag->page_offset;
+
+ while (len) {
+ tx_buffer_info = &tx_ring->tx_buffer_info[i];
+ size = min(len, (uint)IXGBE_MAX_DATA_PER_TXD);
+
+ tx_buffer_info->length = size;
+ tx_buffer_info->dma = pci_map_page(adapter->pdev,
+ frag->page,
+ offset,
+ size, PCI_DMA_TODEVICE);
+ tx_buffer_info->time_stamp = jiffies;
+ tx_buffer_info->next_to_watch = i;
+
+ len -= size;
+ offset += size;
+ count++;
+ i++;
+ if (i == tx_ring->count)
+ i = 0;
+ }
+ }
+ if (i == 0)
+ i = tx_ring->count - 1;
+ else
+ i = i - 1;
+ tx_ring->tx_buffer_info[i].skb = skb;
+ tx_ring->tx_buffer_info[first].next_to_watch = i;
+
+ return count;
+}
+
+static void ixgbe_tx_queue(struct ixgbe_adapter *adapter,
+ struct ixgbe_ring *tx_ring,
+ int tx_flags, int count, u32 paylen, u8 hdr_len)
+{
+ union ixgbe_adv_tx_desc *tx_desc = NULL;
+ struct ixgbe_tx_buffer *tx_buffer_info;
+ u32 olinfo_status = 0, cmd_type_len = 0;
+ unsigned int i;
+ u32 txd_cmd = IXGBE_TXD_CMD_EOP | IXGBE_TXD_CMD_RS | IXGBE_TXD_CMD_IFCS;
+
+ cmd_type_len |= IXGBE_ADVTXD_DTYP_DATA;
+
+ cmd_type_len |= IXGBE_ADVTXD_DCMD_IFCS | IXGBE_ADVTXD_DCMD_DEXT;
+
+ if (tx_flags & IXGBE_TX_FLAGS_VLAN)
+ cmd_type_len |= IXGBE_ADVTXD_DCMD_VLE;
+
+ if (tx_flags & IXGBE_TX_FLAGS_TSO) {
+ cmd_type_len |= IXGBE_ADVTXD_DCMD_TSE;
+
+ olinfo_status |= IXGBE_TXD_POPTS_TXSM <<
+ IXGBE_ADVTXD_POPTS_SHIFT;
+
+ if (tx_flags & IXGBE_TX_FLAGS_IPV4)
+ olinfo_status |= IXGBE_TXD_POPTS_IXSM <<
+ IXGBE_ADVTXD_POPTS_SHIFT;
+
+ } else if (tx_flags & IXGBE_TX_FLAGS_CSUM)
+ olinfo_status |= IXGBE_TXD_POPTS_TXSM <<
+ IXGBE_ADVTXD_POPTS_SHIFT;
+
+ olinfo_status |= ((paylen - hdr_len) << IXGBE_ADVTXD_PAYLEN_SHIFT);
+
+ i = tx_ring->next_to_use;
+ while (count--) {
+ tx_buffer_info = &tx_ring->tx_buffer_info[i];
+ tx_desc = IXGBE_TX_DESC_ADV(*tx_ring, i);
+ tx_desc->read.buffer_addr = cpu_to_le64(tx_buffer_info->dma);
+ tx_desc->read.cmd_type_len =
+ cpu_to_le32(cmd_type_len | tx_buffer_info->length);
+ tx_desc->read.olinfo_status = cpu_to_le32(olinfo_status);
+
+ i++;
+ if (i == tx_ring->count)
+ i = 0;
+ }
+
+ tx_desc->read.cmd_type_len |= cpu_to_le32(txd_cmd);
+
+ /*
+ * 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();
+
+ tx_ring->next_to_use = i;
+ writel(i, adapter->hw.hw_addr + tx_ring->tail);
+}
+
+static int ixgbe_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
+{
+ struct ixgbe_adapter *adapter = netdev_priv(netdev);
+ struct ixgbe_ring *tx_ring;
+ unsigned int len = skb->len;
+ unsigned int first;
+ unsigned int tx_flags = 0;
+ unsigned long flags = 0;
+ u8 hdr_len;
+ int tso;
+ unsigned int mss = 0;
+ int count = 0;
+ unsigned int f;
+ unsigned int nr_frags = skb_shinfo(skb)->nr_frags;
+ len -= skb->data_len;
+
+ tx_ring = adapter->tx_ring;
+
+ if (skb->len <= 0) {
+ dev_kfree_skb(skb);
+ return NETDEV_TX_OK;
+ }
+ mss = skb_shinfo(skb)->gso_size;
+
+ if (mss)
+ count++;
+ else if (skb->ip_summed == CHECKSUM_PARTIAL)
+ count++;
+
+ count += TXD_USE_COUNT(len);
+ for (f = 0; f < nr_frags; f++)
+ count += TXD_USE_COUNT(skb_shinfo(skb)->frags[f].size);
+
+ spin_lock_irqsave(&tx_ring->tx_lock, flags);
+ if (IXGBE_DESC_UNUSED(tx_ring) < (count + 2)) {
+ adapter->tx_busy++;
+ netif_stop_queue(netdev);
+ spin_unlock_irqrestore(&tx_ring->tx_lock, flags);
+ return NETDEV_TX_BUSY;
+ }
+ spin_unlock_irqrestore(&tx_ring->tx_lock, flags);
+ if (adapter->vlgrp && vlan_tx_tag_present(skb)) {
+ tx_flags |= IXGBE_TX_FLAGS_VLAN;
+ tx_flags |= (vlan_tx_tag_get(skb) << IXGBE_TX_FLAGS_VLAN_SHIFT);
+ }
+
+ if (skb->protocol == ntohs(ETH_P_IP))
+ tx_flags |= IXGBE_TX_FLAGS_IPV4;
+ first = tx_ring->next_to_use;
+ tso = ixgbe_tso(adapter, tx_ring, skb, tx_flags, &hdr_len);
+ if (tso < 0) {
+ dev_kfree_skb_any(skb);
+ return NETDEV_TX_OK;
+ }
+
+ if (tso)
+ tx_flags |= IXGBE_TX_FLAGS_TSO;
+ else if (ixgbe_tx_csum(adapter, tx_ring, skb, tx_flags) &&
+ (skb->ip_summed == CHECKSUM_PARTIAL))
+ tx_flags |= IXGBE_TX_FLAGS_CSUM;
+
+ ixgbe_tx_queue(adapter, tx_ring, tx_flags,
+ ixgbe_tx_map(adapter, tx_ring, skb, first),
+ skb->len, hdr_len);
+
+ netdev->trans_start = jiffies;
+
+ spin_lock_irqsave(&tx_ring->tx_lock, flags);
+ /* Make sure there is space in the ring for the next send. */
+ if (IXGBE_DESC_UNUSED(tx_ring) < DESC_NEEDED)
+ netif_stop_queue(netdev);
+ spin_unlock_irqrestore(&tx_ring->tx_lock, flags);
+
+ return NETDEV_TX_OK;
+}
+
+/**
+ * ixgbe_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 *ixgbe_get_stats(struct net_device *netdev)
+{
+ struct ixgbe_adapter *adapter = netdev_priv(netdev);
+
+ /* only return the current stats */
+ return &adapter->net_stats;
+}
+
+/**
+ * ixgbe_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 ixgbe_set_mac(struct net_device *netdev, void *p)
+{
+ struct ixgbe_adapter *adapter = netdev_priv(netdev);
+ struct sockaddr *addr = p;
+
+ 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);
+
+ ixgbe_set_rar(&adapter->hw, 0, adapter->hw.mac.addr, 0, IXGBE_RAH_AV);
+
+ return 0;
+}
+
+#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 ixgbe_netpoll(struct net_device *netdev)
+{
+ struct ixgbe_adapter *adapter = netdev_priv(netdev);
+
+ disable_irq(adapter->pdev->irq);
+ adapter->flags |= IXGBE_FLAG_IN_NETPOLL;
+ ixgbe_intr(adapter->pdev->irq, netdev);
+ adapter->flags &= ~IXGBE_FLAG_IN_NETPOLL;
+ enable_irq(adapter->pdev->irq);
+}
+#endif
+
+/**
+ * ixgbe_probe - Device Initialization Routine
+ * @pdev: PCI device information struct
+ * @ent: entry in ixgbe_pci_tbl
+ *
+ * Returns 0 on success, negative on failure
+ *
+ * ixgbe_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 ixgbe_probe(struct pci_dev *pdev,
+ const struct pci_device_id *ent)
+{
+ struct net_device *netdev;
+ struct ixgbe_adapter *adapter = NULL;
+ struct ixgbe_hw *hw;
+ const struct ixgbe_info *ii = ixgbe_info_tbl[ent->driver_data];
+ unsigned long mmio_start, mmio_len;
+ static int cards_found;
+ int i, err, pci_using_dac;
+ u16 link_status, link_speed, link_width;
+ u32 part_num;
+
+ err = pci_enable_device(pdev);
+ if (err)
+ return err;
+
+ if (!pci_set_dma_mask(pdev, DMA_64BIT_MASK) &&
+ !pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK)) {
+ pci_using_dac = 1;
+ } else {
+ err = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
+ if (err) {
+ err = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK);
+ if (err) {
+ dev_err(&pdev->dev, "No usable DMA "
+ "configuration, aborting\n");
+ goto err_dma;
+ }
+ }
+ pci_using_dac = 0;
+ }
+
+ err = pci_request_regions(pdev, ixgbe_driver_name);
+ if (err) {
+ dev_err(&pdev->dev, "pci_request_regions failed 0x%x\n", err);
+ goto err_pci_reg;
+ }
+
+ pci_set_master(pdev);
+
+ netdev = alloc_etherdev(sizeof(struct ixgbe_adapter));
+ if (!netdev) {
+ err = -ENOMEM;
+ goto err_alloc_etherdev;
+ }
+
+ SET_MODULE_OWNER(netdev);
+ SET_NETDEV_DEV(netdev, &pdev->dev);
+
+ pci_set_drvdata(pdev, netdev);
+ adapter = netdev_priv(netdev);
+
+ adapter->netdev = netdev;
+ adapter->pdev = pdev;
+ hw = &adapter->hw;
+ hw->back = adapter;
+ adapter->msg_enable = (1 << DEFAULT_DEBUG_LEVEL_SHIFT) - 1;
+
+ mmio_start = pci_resource_start(pdev, 0);
+ mmio_len = pci_resource_len(pdev, 0);
+
+ hw->hw_addr = ioremap(mmio_start, mmio_len);
+ if (!hw->hw_addr) {
+ err = -EIO;
+ goto err_ioremap;
+ }
+
+ for (i = 1; i <= 5; i++) {
+ if (pci_resource_len(pdev, i) == 0)
+ continue;
+ }
+
+ netdev->open = &ixgbe_open;
+ netdev->stop = &ixgbe_close;
+ netdev->hard_start_xmit = &ixgbe_xmit_frame;
+ netdev->get_stats = &ixgbe_get_stats;
+ netdev->set_multicast_list = &ixgbe_set_multi;
+ netdev->set_mac_address = &ixgbe_set_mac;
+ netdev->change_mtu = &ixgbe_change_mtu;
+ ixgbe_set_ethtool_ops(netdev);
+ netdev->tx_timeout = &ixgbe_tx_timeout;
+ netdev->watchdog_timeo = 5 * HZ;
+ netif_napi_add(netdev, &adapter->napi, ixgbe_clean, 64);
+ netdev->vlan_rx_register = ixgbe_vlan_rx_register;
+ netdev->vlan_rx_add_vid = ixgbe_vlan_rx_add_vid;
+ netdev->vlan_rx_kill_vid = ixgbe_vlan_rx_kill_vid;
+#ifdef CONFIG_NET_POLL_CONTROLLER
+ netdev->poll_controller = ixgbe_netpoll;
+#endif
+ strcpy(netdev->name, pci_name(pdev));
+
+ netdev->mem_start = mmio_start;
+ netdev->mem_end = mmio_start + mmio_len;
+
+ adapter->bd_number = cards_found;
+
+ /* PCI config space info */
+ hw->vendor_id = pdev->vendor;
+ hw->device_id = pdev->device;
+ hw->revision_id = pdev->revision;
+ hw->subsystem_vendor_id = pdev->subsystem_vendor;
+ hw->subsystem_device_id = pdev->subsystem_device;
+
+ /* Setup hw api */
+ memcpy(&hw->mac.ops, ii->mac_ops, sizeof(hw->mac.ops));
+ memcpy(&hw->phy.ops, ii->phy_ops, sizeof(hw->phy.ops));
+
+ err = ii->get_invariants(hw);
+ if (err)
+ goto err_hw_init;
+
+ /* setup the private structure */
+ err = ixgbe_sw_init(adapter);
+ if (err)
+ goto err_sw_init;
+
+ netdev->features = NETIF_F_SG |
+ NETIF_F_HW_CSUM |
+ NETIF_F_HW_VLAN_TX |
+ NETIF_F_HW_VLAN_RX |
+ NETIF_F_HW_VLAN_FILTER;
+
+ netdev->features |= NETIF_F_TSO;
+
+ netdev->features |= NETIF_F_TSO6;
+ if (pci_using_dac)
+ netdev->features |= NETIF_F_HIGHDMA;
+
+
+ /* make sure the EEPROM is good */
+ if (ixgbe_validate_eeprom_checksum(hw, NULL) < 0) {
+ dev_err(&pdev->dev, "The EEPROM Checksum Is Not Valid\n");
+ err = -EIO;
+ goto err_eeprom;
+ }
+
+ memcpy(netdev->dev_addr, hw->mac.perm_addr, netdev->addr_len);
+ memcpy(netdev->perm_addr, hw->mac.perm_addr, netdev->addr_len);
+
+ if (ixgbe_validate_mac_addr(netdev->dev_addr)) {
+ err = -EIO;
+ goto err_eeprom;
+ }
+
+ init_timer(&adapter->watchdog_timer);
+ adapter->watchdog_timer.function = &ixgbe_watchdog;
+ adapter->watchdog_timer.data = (unsigned long)adapter;
+
+ INIT_WORK(&adapter->reset_task, ixgbe_reset_task);
+
+ /* initialize default flow control settings */
+ hw->fc.original_type = ixgbe_fc_full;
+ hw->fc.type = ixgbe_fc_full;
+ hw->fc.high_water = IXGBE_DEFAULT_FCRTH;
+ hw->fc.low_water = IXGBE_DEFAULT_FCRTL;
+ hw->fc.pause_time = IXGBE_DEFAULT_FCPAUSE;
+
+ /* Interrupt Throttle Rate */
+ adapter->rx_eitr = (1000000 / IXGBE_DEFAULT_ITR_RX_USECS);
+ adapter->tx_eitr = (1000000 / IXGBE_DEFAULT_ITR_TX_USECS);
+
+ /* print bus type/speed/width info */
+ pci_read_config_word(pdev, IXGBE_PCI_LINK_STATUS, &link_status);
+ link_speed = link_status & IXGBE_PCI_LINK_SPEED;
+ link_width = link_status & IXGBE_PCI_LINK_WIDTH;
+ dev_info(&pdev->dev, "(PCI Express:%s:%s) "
+ "%02x:%02x:%02x:%02x:%02x:%02x\n",
+ ((link_speed == IXGBE_PCI_LINK_SPEED_5000) ? "5.0Gb/s" :
+ (link_speed == IXGBE_PCI_LINK_SPEED_2500) ? "2.5Gb/s" :
+ "Unknown"),
+ ((link_width == IXGBE_PCI_LINK_WIDTH_8) ? "Width x8" :
+ (link_width == IXGBE_PCI_LINK_WIDTH_4) ? "Width x4" :
+ (link_width == IXGBE_PCI_LINK_WIDTH_2) ? "Width x2" :
+ (link_width == IXGBE_PCI_LINK_WIDTH_1) ? "Width x1" :
+ "Unknown"),
+ netdev->dev_addr[0], netdev->dev_addr[1], netdev->dev_addr[2],
+ netdev->dev_addr[3], netdev->dev_addr[4], netdev->dev_addr[5]);
+ ixgbe_read_part_num(hw, &part_num);
+ dev_info(&pdev->dev, "MAC: %d, PHY: %d, PBA No: %06x-%03x\n",
+ hw->mac.type, hw->phy.type,
+ (part_num >> 8), (part_num & 0xff));
+
+ /* reset the hardware with the new settings */
+ ixgbe_start_hw(hw);
+
+ netif_carrier_off(netdev);
+ netif_stop_queue(netdev);
+
+ strcpy(netdev->name, "eth%d");
+ err = register_netdev(netdev);
+ if (err)
+ goto err_register;
+
+
+ dev_info(&pdev->dev, "Intel(R) 10 Gigabit Network Connection\n");
+ cards_found++;
+ return 0;
+
+err_register:
+err_hw_init:
+err_sw_init:
+err_eeprom:
+ iounmap(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;
+}
+
+/**
+ * ixgbe_remove - Device Removal Routine
+ * @pdev: PCI device information struct
+ *
+ * ixgbe_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 ixgbe_remove(struct pci_dev *pdev)
+{
+ struct net_device *netdev = pci_get_drvdata(pdev);
+ struct ixgbe_adapter *adapter = netdev_priv(netdev);
+
+ set_bit(__IXGBE_DOWN, &adapter->state);
+ del_timer_sync(&adapter->watchdog_timer);
+
+ flush_scheduled_work();
+
+ unregister_netdev(netdev);
+
+ kfree(adapter->tx_ring);
+ kfree(adapter->rx_ring);
+
+ iounmap(adapter->hw.hw_addr);
+ pci_release_regions(pdev);
+
+ free_netdev(netdev);
+
+ pci_disable_device(pdev);
+}
+
+/**
+ * ixgbe_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 ixgbe_io_error_detected(struct pci_dev *pdev,
+ pci_channel_state_t state)
+{
+ struct net_device *netdev = pci_get_drvdata(pdev);
+ struct ixgbe_adapter *adapter = netdev->priv;
+
+ netif_device_detach(netdev);
+
+ if (netif_running(netdev))
+ ixgbe_down(adapter);
+ pci_disable_device(pdev);
+
+ /* Request a slot slot reset. */
+ return PCI_ERS_RESULT_NEED_RESET;
+}
+
+/**
+ * ixgbe_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.
+ */
+static pci_ers_result_t ixgbe_io_slot_reset(struct pci_dev *pdev)
+{
+ struct net_device *netdev = pci_get_drvdata(pdev);
+ struct ixgbe_adapter *adapter = netdev->priv;
+
+ if (pci_enable_device(pdev)) {
+ DPRINTK(PROBE, ERR,
+ "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);
+
+ ixgbe_reset(adapter);
+
+ return PCI_ERS_RESULT_RECOVERED;
+}
+
+/**
+ * ixgbe_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.
+ */
+static void ixgbe_io_resume(struct pci_dev *pdev)
+{
+ struct net_device *netdev = pci_get_drvdata(pdev);
+ struct ixgbe_adapter *adapter = netdev->priv;
+
+ if (netif_running(netdev)) {
+ if (ixgbe_up(adapter)) {
+ DPRINTK(PROBE, INFO, "ixgbe_up failed after reset\n");
+ return;
+ }
+ }
+
+ netif_device_attach(netdev);
+
+}
+
+static struct pci_error_handlers ixgbe_err_handler = {
+ .error_detected = ixgbe_io_error_detected,
+ .slot_reset = ixgbe_io_slot_reset,
+ .resume = ixgbe_io_resume,
+};
+
+static struct pci_driver ixgbe_driver = {
+ .name = ixgbe_driver_name,
+ .id_table = ixgbe_pci_tbl,
+ .probe = ixgbe_probe,
+ .remove = __devexit_p(ixgbe_remove),
+#ifdef CONFIG_PM
+ .suspend = ixgbe_suspend,
+ .resume = ixgbe_resume,
+#endif
+ .shutdown = ixgbe_shutdown,
+ .err_handler = &ixgbe_err_handler
+};
+
+/**
+ * ixgbe_init_module - Driver Registration Routine
+ *
+ * ixgbe_init_module is the first routine called when the driver is
+ * loaded. All it does is register with the PCI subsystem.
+ **/
+static int __init ixgbe_init_module(void)
+{
+ int ret;
+ printk(KERN_INFO "%s: %s - version %s\n", ixgbe_driver_name,
+ ixgbe_driver_string, ixgbe_driver_version);
+
+ printk(KERN_INFO "%s: %s\n", ixgbe_driver_name, ixgbe_copyright);
+
+ ret = pci_register_driver(&ixgbe_driver);
+ return ret;
+}
+module_init(ixgbe_init_module);
+
+/**
+ * ixgbe_exit_module - Driver Exit Cleanup Routine
+ *
+ * ixgbe_exit_module is called just before the driver is removed
+ * from memory.
+ **/
+static void __exit ixgbe_exit_module(void)
+{
+ pci_unregister_driver(&ixgbe_driver);
+}
+module_exit(ixgbe_exit_module);
+
+/* ixgbe_main.c */
--- /dev/null
+/*******************************************************************************
+
+ Intel 10 Gigabit PCI Express Linux driver
+ Copyright(c) 1999 - 2007 Intel Corporation.
+
+ This program is free software; you can redistribute it and/or modify it
+ under the terms and conditions of the GNU General Public License,
+ version 2, as published by the Free Software Foundation.
+
+ This program is distributed in the hope 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.,
+ 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+
+ The full GNU General Public License is included in this distribution in
+ the file called "COPYING".
+
+ Contact Information:
+ Linux NICS <linux.nics@intel.com>
+ e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
+ Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
+
+*******************************************************************************/
+
+#include <linux/pci.h>
+#include <linux/delay.h>
+#include <linux/sched.h>
+
+#include "ixgbe_common.h"
+#include "ixgbe_phy.h"
+
+static enum ixgbe_phy_type ixgbe_get_phy_type_from_id(u32 phy_id);
+static s32 ixgbe_get_phy_id(struct ixgbe_hw *hw);
+static bool ixgbe_validate_phy_addr(struct ixgbe_hw *hw, u32 phy_addr);
+static s32 ixgbe_write_phy_reg(struct ixgbe_hw *hw, u32 reg_addr,
+ u32 device_type, u16 phy_data);
+
+/**
+ * ixgbe_identify_phy - Get physical layer module
+ * @hw: pointer to hardware structure
+ *
+ * Determines the physical layer module found on the current adapter.
+ **/
+s32 ixgbe_identify_phy(struct ixgbe_hw *hw)
+{
+ s32 status = IXGBE_ERR_PHY_ADDR_INVALID;
+ u32 phy_addr;
+
+ for (phy_addr = 0; phy_addr < IXGBE_MAX_PHY_ADDR; phy_addr++) {
+ if (ixgbe_validate_phy_addr(hw, phy_addr)) {
+ hw->phy.addr = phy_addr;
+ ixgbe_get_phy_id(hw);
+ hw->phy.type = ixgbe_get_phy_type_from_id(hw->phy.id);
+ status = 0;
+ break;
+ }
+ }
+ return status;
+}
+
+/**
+ * ixgbe_validate_phy_addr - Determines phy address is valid
+ * @hw: pointer to hardware structure
+ *
+ **/
+static bool ixgbe_validate_phy_addr(struct ixgbe_hw *hw, u32 phy_addr)
+{
+ u16 phy_id = 0;
+ bool valid = false;
+
+ hw->phy.addr = phy_addr;
+ ixgbe_read_phy_reg(hw,
+ IXGBE_MDIO_PHY_ID_HIGH,
+ IXGBE_MDIO_PMA_PMD_DEV_TYPE,
+ &phy_id);
+
+ if (phy_id != 0xFFFF && phy_id != 0x0)
+ valid = true;
+
+ return valid;
+}
+
+/**
+ * ixgbe_get_phy_id - Get the phy type
+ * @hw: pointer to hardware structure
+ *
+ **/
+static s32 ixgbe_get_phy_id(struct ixgbe_hw *hw)
+{
+ u32 status;
+ u16 phy_id_high = 0;
+ u16 phy_id_low = 0;
+
+ status = ixgbe_read_phy_reg(hw,
+ IXGBE_MDIO_PHY_ID_HIGH,
+ IXGBE_MDIO_PMA_PMD_DEV_TYPE,
+ &phy_id_high);
+
+ if (status == 0) {
+ hw->phy.id = (u32)(phy_id_high << 16);
+ status = ixgbe_read_phy_reg(hw,
+ IXGBE_MDIO_PHY_ID_LOW,
+ IXGBE_MDIO_PMA_PMD_DEV_TYPE,
+ &phy_id_low);
+ hw->phy.id |= (u32)(phy_id_low & IXGBE_PHY_REVISION_MASK);
+ hw->phy.revision = (u32)(phy_id_low & ~IXGBE_PHY_REVISION_MASK);
+ }
+
+ return status;
+}
+
+/**
+ * ixgbe_get_phy_type_from_id - Get the phy type
+ * @hw: pointer to hardware structure
+ *
+ **/
+static enum ixgbe_phy_type ixgbe_get_phy_type_from_id(u32 phy_id)
+{
+ enum ixgbe_phy_type phy_type;
+
+ switch (phy_id) {
+ case TN1010_PHY_ID:
+ phy_type = ixgbe_phy_tn;
+ break;
+ case QT2022_PHY_ID:
+ phy_type = ixgbe_phy_qt;
+ break;
+ default:
+ phy_type = ixgbe_phy_unknown;
+ break;
+ }
+
+ return phy_type;
+}
+
+/**
+ * ixgbe_reset_phy - Performs a PHY reset
+ * @hw: pointer to hardware structure
+ **/
+s32 ixgbe_reset_phy(struct ixgbe_hw *hw)
+{
+ /*
+ * Perform soft PHY reset to the PHY_XS.
+ * This will cause a soft reset to the PHY
+ */
+ return ixgbe_write_phy_reg(hw, IXGBE_MDIO_PHY_XS_CONTROL,
+ IXGBE_MDIO_PHY_XS_DEV_TYPE,
+ IXGBE_MDIO_PHY_XS_RESET);
+}
+
+/**
+ * ixgbe_read_phy_reg - Reads a value from a specified PHY register
+ * @hw: pointer to hardware structure
+ * @reg_addr: 32 bit address of PHY register to read
+ * @phy_data: Pointer to read data from PHY register
+ **/
+s32 ixgbe_read_phy_reg(struct ixgbe_hw *hw, u32 reg_addr,
+ u32 device_type, u16 *phy_data)
+{
+ u32 command;
+ u32 i;
+ u32 timeout = 10;
+ u32 data;
+ s32 status = 0;
+ u16 gssr;
+
+ if (IXGBE_READ_REG(hw, IXGBE_STATUS) & IXGBE_STATUS_LAN_ID_1)
+ gssr = IXGBE_GSSR_PHY1_SM;
+ else
+ gssr = IXGBE_GSSR_PHY0_SM;
+
+ if (ixgbe_acquire_swfw_sync(hw, gssr) != 0)
+ status = IXGBE_ERR_SWFW_SYNC;
+
+ if (status == 0) {
+ /* Setup and write the address cycle command */
+ command = ((reg_addr << IXGBE_MSCA_NP_ADDR_SHIFT) |
+ (device_type << IXGBE_MSCA_DEV_TYPE_SHIFT) |
+ (hw->phy.addr << IXGBE_MSCA_PHY_ADDR_SHIFT) |
+ (IXGBE_MSCA_ADDR_CYCLE | IXGBE_MSCA_MDI_COMMAND));
+
+ IXGBE_WRITE_REG(hw, IXGBE_MSCA, command);
+
+ /*
+ * Check every 10 usec to see if the address cycle completed.
+ * The MDI Command bit will clear when the operation is
+ * complete
+ */
+ for (i = 0; i < timeout; i++) {
+ udelay(10);
+
+ command = IXGBE_READ_REG(hw, IXGBE_MSCA);
+
+ if ((command & IXGBE_MSCA_MDI_COMMAND) == 0)
+ break;
+ }
+
+ if ((command & IXGBE_MSCA_MDI_COMMAND) != 0) {
+ hw_dbg(hw, "PHY address command did not complete.\n");
+ status = IXGBE_ERR_PHY;
+ }
+
+ if (status == 0) {
+ /*
+ * Address cycle complete, setup and write the read
+ * command
+ */
+ command = ((reg_addr << IXGBE_MSCA_NP_ADDR_SHIFT) |
+ (device_type << IXGBE_MSCA_DEV_TYPE_SHIFT) |
+ (hw->phy.addr << IXGBE_MSCA_PHY_ADDR_SHIFT) |
+ (IXGBE_MSCA_READ | IXGBE_MSCA_MDI_COMMAND));
+
+ IXGBE_WRITE_REG(hw, IXGBE_MSCA, command);
+
+ /*
+ * Check every 10 usec to see if the address cycle
+ * completed. The MDI Command bit will clear when the
+ * operation is complete
+ */
+ for (i = 0; i < timeout; i++) {
+ udelay(10);
+
+ command = IXGBE_READ_REG(hw, IXGBE_MSCA);
+
+ if ((command & IXGBE_MSCA_MDI_COMMAND) == 0)
+ break;
+ }
+
+ if ((command & IXGBE_MSCA_MDI_COMMAND) != 0) {
+ hw_dbg(hw,
+ "PHY read command didn't complete\n");
+ status = IXGBE_ERR_PHY;
+ } else {
+ /*
+ * Read operation is complete. Get the data
+ * from MSRWD
+ */
+ data = IXGBE_READ_REG(hw, IXGBE_MSRWD);
+ data >>= IXGBE_MSRWD_READ_DATA_SHIFT;
+ *phy_data = (u16)(data);
+ }
+ }
+
+ ixgbe_release_swfw_sync(hw, gssr);
+ }
+ return status;
+}
+
+/**
+ * ixgbe_write_phy_reg - Writes a value to specified PHY register
+ * @hw: pointer to hardware structure
+ * @reg_addr: 32 bit PHY register to write
+ * @device_type: 5 bit device type
+ * @phy_data: Data to write to the PHY register
+ **/
+static s32 ixgbe_write_phy_reg(struct ixgbe_hw *hw, u32 reg_addr,
+ u32 device_type, u16 phy_data)
+{
+ u32 command;
+ u32 i;
+ u32 timeout = 10;
+ s32 status = 0;
+ u16 gssr;
+
+ if (IXGBE_READ_REG(hw, IXGBE_STATUS) & IXGBE_STATUS_LAN_ID_1)
+ gssr = IXGBE_GSSR_PHY1_SM;
+ else
+ gssr = IXGBE_GSSR_PHY0_SM;
+
+ if (ixgbe_acquire_swfw_sync(hw, gssr) != 0)
+ status = IXGBE_ERR_SWFW_SYNC;
+
+ if (status == 0) {
+ /* Put the data in the MDI single read and write data register*/
+ IXGBE_WRITE_REG(hw, IXGBE_MSRWD, (u32)phy_data);
+
+ /* Setup and write the address cycle command */
+ command = ((reg_addr << IXGBE_MSCA_NP_ADDR_SHIFT) |
+ (device_type << IXGBE_MSCA_DEV_TYPE_SHIFT) |
+ (hw->phy.addr << IXGBE_MSCA_PHY_ADDR_SHIFT) |
+ (IXGBE_MSCA_ADDR_CYCLE | IXGBE_MSCA_MDI_COMMAND));
+
+ IXGBE_WRITE_REG(hw, IXGBE_MSCA, command);
+
+ /*
+ * Check every 10 usec to see if the address cycle completed.
+ * The MDI Command bit will clear when the operation is
+ * complete
+ */
+ for (i = 0; i < timeout; i++) {
+ udelay(10);
+
+ command = IXGBE_READ_REG(hw, IXGBE_MSCA);
+
+ if ((command & IXGBE_MSCA_MDI_COMMAND) == 0) {
+ hw_dbg(hw, "PHY address cmd didn't complete\n");
+ break;
+ }
+ }
+
+ if ((command & IXGBE_MSCA_MDI_COMMAND) != 0)
+ status = IXGBE_ERR_PHY;
+
+ if (status == 0) {
+ /*
+ * Address cycle complete, setup and write the write
+ * command
+ */
+ command = ((reg_addr << IXGBE_MSCA_NP_ADDR_SHIFT) |
+ (device_type << IXGBE_MSCA_DEV_TYPE_SHIFT) |
+ (hw->phy.addr << IXGBE_MSCA_PHY_ADDR_SHIFT) |
+ (IXGBE_MSCA_WRITE | IXGBE_MSCA_MDI_COMMAND));
+
+ IXGBE_WRITE_REG(hw, IXGBE_MSCA, command);
+
+ /*
+ * Check every 10 usec to see if the address cycle
+ * completed. The MDI Command bit will clear when the
+ * operation is complete
+ */
+ for (i = 0; i < timeout; i++) {
+ udelay(10);
+
+ command = IXGBE_READ_REG(hw, IXGBE_MSCA);
+
+ if ((command & IXGBE_MSCA_MDI_COMMAND) == 0) {
+ hw_dbg(hw, "PHY write command did not "
+ "complete.\n");
+ break;
+ }
+ }
+
+ if ((command & IXGBE_MSCA_MDI_COMMAND) != 0)
+ status = IXGBE_ERR_PHY;
+ }
+
+ ixgbe_release_swfw_sync(hw, gssr);
+ }
+
+ return status;
+}
+
+/**
+ * ixgbe_setup_tnx_phy_link - Set and restart autoneg
+ * @hw: pointer to hardware structure
+ *
+ * Restart autonegotiation and PHY and waits for completion.
+ **/
+s32 ixgbe_setup_tnx_phy_link(struct ixgbe_hw *hw)
+{
+ s32 status = IXGBE_NOT_IMPLEMENTED;
+ u32 time_out;
+ u32 max_time_out = 10;
+ u16 autoneg_speed_selection_register = 0x10;
+ u16 autoneg_restart_mask = 0x0200;
+ u16 autoneg_complete_mask = 0x0020;
+ u16 autoneg_reg = 0;
+
+ /*
+ * Set advertisement settings in PHY based on autoneg_advertised
+ * settings. If autoneg_advertised = 0, then advertise default values
+ * txn devices cannot be "forced" to a autoneg 10G and fail. But can
+ * for a 1G.
+ */
+ ixgbe_read_phy_reg(hw,
+ autoneg_speed_selection_register,
+ IXGBE_MDIO_AUTO_NEG_DEV_TYPE,
+ &autoneg_reg);
+
+ if (hw->phy.autoneg_advertised == IXGBE_LINK_SPEED_1GB_FULL)
+ autoneg_reg &= 0xEFFF; /* 0 in bit 12 is 1G operation */
+ else
+ autoneg_reg |= 0x1000; /* 1 in bit 12 is 10G/1G operation */
+
+ ixgbe_write_phy_reg(hw,
+ autoneg_speed_selection_register,
+ IXGBE_MDIO_AUTO_NEG_DEV_TYPE,
+ autoneg_reg);
+
+
+ /* Restart PHY autonegotiation and wait for completion */
+ ixgbe_read_phy_reg(hw,
+ IXGBE_MDIO_AUTO_NEG_CONTROL,
+ IXGBE_MDIO_AUTO_NEG_DEV_TYPE,
+ &autoneg_reg);
+
+ autoneg_reg |= autoneg_restart_mask;
+
+ ixgbe_write_phy_reg(hw,
+ IXGBE_MDIO_AUTO_NEG_CONTROL,
+ IXGBE_MDIO_AUTO_NEG_DEV_TYPE,
+ autoneg_reg);
+
+ /* Wait for autonegotiation to finish */
+ for (time_out = 0; time_out < max_time_out; time_out++) {
+ udelay(10);
+ /* Restart PHY autonegotiation and wait for completion */
+ status = ixgbe_read_phy_reg(hw,
+ IXGBE_MDIO_AUTO_NEG_STATUS,
+ IXGBE_MDIO_AUTO_NEG_DEV_TYPE,
+ &autoneg_reg);
+
+ autoneg_reg &= autoneg_complete_mask;
+ if (autoneg_reg == autoneg_complete_mask) {
+ status = 0;
+ break;
+ }
+ }
+
+ if (time_out == max_time_out)
+ status = IXGBE_ERR_LINK_SETUP;
+
+ return status;
+}
+
+/**
+ * ixgbe_check_tnx_phy_link - Determine link and speed status
+ * @hw: pointer to hardware structure
+ *
+ * Reads the VS1 register to determine if link is up and the current speed for
+ * the PHY.
+ **/
+s32 ixgbe_check_tnx_phy_link(struct ixgbe_hw *hw, u32 *speed,
+ bool *link_up)
+{
+ s32 status = 0;
+ u32 time_out;
+ u32 max_time_out = 10;
+ u16 phy_link = 0;
+ u16 phy_speed = 0;
+ u16 phy_data = 0;
+
+ /* Initialize speed and link to default case */
+ *link_up = false;
+ *speed = IXGBE_LINK_SPEED_10GB_FULL;
+
+ /*
+ * Check current speed and link status of the PHY register.
+ * This is a vendor specific register and may have to
+ * be changed for other copper PHYs.
+ */
+ for (time_out = 0; time_out < max_time_out; time_out++) {
+ udelay(10);
+ if (phy_link == IXGBE_MDIO_VENDOR_SPECIFIC_1_LINK_STATUS) {
+ *link_up = true;
+ if (phy_speed ==
+ IXGBE_MDIO_VENDOR_SPECIFIC_1_SPEED_STATUS)
+ *speed = IXGBE_LINK_SPEED_1GB_FULL;
+ break;
+ } else {
+ status = ixgbe_read_phy_reg(hw,
+ IXGBE_MDIO_VENDOR_SPECIFIC_1_STATUS,
+ IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE,
+ &phy_data);
+ phy_link = phy_data &
+ IXGBE_MDIO_VENDOR_SPECIFIC_1_LINK_STATUS;
+ phy_speed = phy_data &
+ IXGBE_MDIO_VENDOR_SPECIFIC_1_SPEED_STATUS;
+ }
+ }
+
+ return status;
+}
+
+/**
+ * ixgbe_setup_tnx_phy_link_speed - Sets the auto advertised capabilities
+ * @hw: pointer to hardware structure
+ * @speed: new link speed
+ * @autoneg: true if autonegotiation enabled
+ **/
+s32 ixgbe_setup_tnx_phy_link_speed(struct ixgbe_hw *hw, u32 speed,
+ bool autoneg,
+ bool autoneg_wait_to_complete)
+{
+ /*
+ * Clear autoneg_advertised and set new values based on input link
+ * speed.
+ */
+ hw->phy.autoneg_advertised = 0;
+
+ if (speed & IXGBE_LINK_SPEED_10GB_FULL)
+ hw->phy.autoneg_advertised |= IXGBE_LINK_SPEED_10GB_FULL;
+ if (speed & IXGBE_LINK_SPEED_1GB_FULL)
+ hw->phy.autoneg_advertised |= IXGBE_LINK_SPEED_1GB_FULL;
+
+ /* Setup link based on the new speed settings */
+ ixgbe_setup_tnx_phy_link(hw);
+
+ return 0;
+}
--- /dev/null
+/*******************************************************************************
+
+ Intel 10 Gigabit PCI Express Linux driver
+ Copyright(c) 1999 - 2007 Intel Corporation.
+
+ This program is free software; you can redistribute it and/or modify it
+ under the terms and conditions of the GNU General Public License,
+ version 2, as published by the Free Software Foundation.
+
+ This program is distributed in the hope 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.,
+ 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+
+ The full GNU General Public License is included in this distribution in
+ the file called "COPYING".
+
+ Contact Information:
+ Linux NICS <linux.nics@intel.com>
+ e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
+ Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
+
+*******************************************************************************/
+
+#ifndef _IXGBE_PHY_H_
+#define _IXGBE_PHY_H_
+
+#include "ixgbe_type.h"
+
+s32 ixgbe_init_shared_code_phy(struct ixgbe_hw *hw);
+s32 ixgbe_setup_phy_link(struct ixgbe_hw *hw);
+s32 ixgbe_check_phy_link(struct ixgbe_hw *hw, u32 *speed, bool *link_up);
+s32 ixgbe_setup_phy_link_speed(struct ixgbe_hw *hw, u32 speed, bool autoneg,
+ bool autoneg_wait_to_complete);
+s32 ixgbe_identify_phy(struct ixgbe_hw *hw);
+s32 ixgbe_reset_phy(struct ixgbe_hw *hw);
+s32 ixgbe_read_phy_reg(struct ixgbe_hw *hw, u32 reg_addr,
+ u32 device_type, u16 *phy_data);
+
+/* PHY specific */
+s32 ixgbe_setup_tnx_phy_link(struct ixgbe_hw *hw);
+s32 ixgbe_check_tnx_phy_link(struct ixgbe_hw *hw, u32 *speed, bool *link_up);
+s32 ixgbe_setup_tnx_phy_link_speed(struct ixgbe_hw *hw, u32 speed, bool autoneg,
+ bool autoneg_wait_to_complete);
+
+#endif /* _IXGBE_PHY_H_ */
--- /dev/null
+/*******************************************************************************
+
+ Intel 10 Gigabit PCI Express Linux driver
+ Copyright(c) 1999 - 2007 Intel Corporation.
+
+ This program is free software; you can redistribute it and/or modify it
+ under the terms and conditions of the GNU General Public License,
+ version 2, as published by the Free Software Foundation.
+
+ This program is distributed in the hope 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.,
+ 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+
+ The full GNU General Public License is included in this distribution in
+ the file called "COPYING".
+
+ Contact Information:
+ Linux NICS <linux.nics@intel.com>
+ e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
+ Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
+
+*******************************************************************************/
+
+#ifndef _IXGBE_TYPE_H_
+#define _IXGBE_TYPE_H_
+
+#include <linux/types.h>
+
+/* Vendor ID */
+#define IXGBE_INTEL_VENDOR_ID 0x8086
+
+/* Device IDs */
+#define IXGBE_DEV_ID_82598AF_DUAL_PORT 0x10C6
+#define IXGBE_DEV_ID_82598AF_SINGLE_PORT 0x10C7
+#define IXGBE_DEV_ID_82598AT_DUAL_PORT 0x10C8
+#define IXGBE_DEV_ID_82598EB_CX4 0x10DD
+
+/* General Registers */
+#define IXGBE_CTRL 0x00000
+#define IXGBE_STATUS 0x00008
+#define IXGBE_CTRL_EXT 0x00018
+#define IXGBE_ESDP 0x00020
+#define IXGBE_EODSDP 0x00028
+#define IXGBE_LEDCTL 0x00200
+#define IXGBE_FRTIMER 0x00048
+#define IXGBE_TCPTIMER 0x0004C
+
+/* NVM Registers */
+#define IXGBE_EEC 0x10010
+#define IXGBE_EERD 0x10014
+#define IXGBE_FLA 0x1001C
+#define IXGBE_EEMNGCTL 0x10110
+#define IXGBE_EEMNGDATA 0x10114
+#define IXGBE_FLMNGCTL 0x10118
+#define IXGBE_FLMNGDATA 0x1011C
+#define IXGBE_FLMNGCNT 0x10120
+#define IXGBE_FLOP 0x1013C
+#define IXGBE_GRC 0x10200
+
+/* Interrupt Registers */
+#define IXGBE_EICR 0x00800
+#define IXGBE_EICS 0x00808
+#define IXGBE_EIMS 0x00880
+#define IXGBE_EIMC 0x00888
+#define IXGBE_EIAC 0x00810
+#define IXGBE_EIAM 0x00890
+#define IXGBE_EITR(_i) (0x00820 + ((_i) * 4)) /* 0x820-0x86c */
+#define IXGBE_IVAR(_i) (0x00900 + ((_i) * 4)) /* 24 at 0x900-0x960 */
+#define IXGBE_MSIXT 0x00000 /* MSI-X Table. 0x0000 - 0x01C */
+#define IXGBE_MSIXPBA 0x02000 /* MSI-X Pending bit array */
+#define IXGBE_PBACL 0x11068
+#define IXGBE_GPIE 0x00898
+
+/* Flow Control Registers */
+#define IXGBE_PFCTOP 0x03008
+#define IXGBE_FCTTV(_i) (0x03200 + ((_i) * 4)) /* 4 of these (0-3) */
+#define IXGBE_FCRTL(_i) (0x03220 + ((_i) * 8)) /* 8 of these (0-7) */
+#define IXGBE_FCRTH(_i) (0x03260 + ((_i) * 8)) /* 8 of these (0-7) */
+#define IXGBE_FCRTV 0x032A0
+#define IXGBE_TFCS 0x0CE00
+
+/* Receive DMA Registers */
+#define IXGBE_RDBAL(_i) (0x01000 + ((_i) * 0x40)) /* 64 of each (0-63)*/
+#define IXGBE_RDBAH(_i) (0x01004 + ((_i) * 0x40))
+#define IXGBE_RDLEN(_i) (0x01008 + ((_i) * 0x40))
+#define IXGBE_RDH(_i) (0x01010 + ((_i) * 0x40))
+#define IXGBE_RDT(_i) (0x01018 + ((_i) * 0x40))
+#define IXGBE_RXDCTL(_i) (0x01028 + ((_i) * 0x40))
+#define IXGBE_RSCCTL(_i) (0x0102C + ((_i) * 0x40))
+#define IXGBE_SRRCTL(_i) (0x02100 + ((_i) * 4))
+ /* array of 16 (0x02100-0x0213C) */
+#define IXGBE_DCA_RXCTRL(_i) (0x02200 + ((_i) * 4))
+ /* array of 16 (0x02200-0x0223C) */
+#define IXGBE_RDRXCTL 0x02F00
+#define IXGBE_RXPBSIZE(_i) (0x03C00 + ((_i) * 4))
+ /* 8 of these 0x03C00 - 0x03C1C */
+#define IXGBE_RXCTRL 0x03000
+#define IXGBE_DROPEN 0x03D04
+#define IXGBE_RXPBSIZE_SHIFT 10
+
+/* Receive Registers */
+#define IXGBE_RXCSUM 0x05000
+#define IXGBE_RFCTL 0x05008
+#define IXGBE_MTA(_i) (0x05200 + ((_i) * 4))
+ /* Multicast Table Array - 128 entries */
+#define IXGBE_RAL(_i) (0x05400 + ((_i) * 8)) /* 16 of these (0-15) */
+#define IXGBE_RAH(_i) (0x05404 + ((_i) * 8)) /* 16 of these (0-15) */
+#define IXGBE_PSRTYPE 0x05480
+ /* 0x5480-0x54BC Packet split receive type */
+#define IXGBE_VFTA(_i) (0x0A000 + ((_i) * 4))
+ /* array of 4096 1-bit vlan filters */
+#define IXGBE_VFTAVIND(_j, _i) (0x0A200 + ((_j) * 0x200) + ((_i) * 4))
+ /*array of 4096 4-bit vlan vmdq indicies */
+#define IXGBE_FCTRL 0x05080
+#define IXGBE_VLNCTRL 0x05088
+#define IXGBE_MCSTCTRL 0x05090
+#define IXGBE_MRQC 0x05818
+#define IXGBE_VMD_CTL 0x0581C
+#define IXGBE_IMIR(_i) (0x05A80 + ((_i) * 4)) /* 8 of these (0-7) */
+#define IXGBE_IMIREXT(_i) (0x05AA0 + ((_i) * 4)) /* 8 of these (0-7) */
+#define IXGBE_IMIRVP 0x05AC0
+#define IXGBE_RETA(_i) (0x05C00 + ((_i) * 4)) /* 32 of these (0-31) */
+#define IXGBE_RSSRK(_i) (0x05C80 + ((_i) * 4)) /* 10 of these (0-9) */
+
+/* Transmit DMA registers */
+#define IXGBE_TDBAL(_i) (0x06000 + ((_i) * 0x40))/* 32 of these (0-31)*/
+#define IXGBE_TDBAH(_i) (0x06004 + ((_i) * 0x40))
+#define IXGBE_TDLEN(_i) (0x06008 + ((_i) * 0x40))
+#define IXGBE_TDH(_i) (0x06010 + ((_i) * 0x40))
+#define IXGBE_TDT(_i) (0x06018 + ((_i) * 0x40))
+#define IXGBE_TXDCTL(_i) (0x06028 + ((_i) * 0x40))
+#define IXGBE_TDWBAL(_i) (0x06038 + ((_i) * 0x40))
+#define IXGBE_TDWBAH(_i) (0x0603C + ((_i) * 0x40))
+#define IXGBE_DTXCTL 0x07E00
+#define IXGBE_DCA_TXCTRL(_i) (0x07200 + ((_i) * 4))
+ /* there are 16 of these (0-15) */
+#define IXGBE_TIPG 0x0CB00
+#define IXGBE_TXPBSIZE(_i) (0x0CC00 + ((_i) *0x04))
+ /* there are 8 of these */
+#define IXGBE_MNGTXMAP 0x0CD10
+#define IXGBE_TIPG_FIBER_DEFAULT 3
+#define IXGBE_TXPBSIZE_SHIFT 10
+
+/* Wake up registers */
+#define IXGBE_WUC 0x05800
+#define IXGBE_WUFC 0x05808
+#define IXGBE_WUS 0x05810
+#define IXGBE_IPAV 0x05838
+#define IXGBE_IP4AT 0x05840 /* IPv4 table 0x5840-0x5858 */
+#define IXGBE_IP6AT 0x05880 /* IPv6 table 0x5880-0x588F */
+#define IXGBE_WUPL 0x05900
+#define IXGBE_WUPM 0x05A00 /* wake up pkt memory 0x5A00-0x5A7C */
+#define IXGBE_FHFT 0x09000 /* Flex host filter table 9000-93FC */
+
+/* Music registers */
+#define IXGBE_RMCS 0x03D00
+#define IXGBE_DPMCS 0x07F40
+#define IXGBE_PDPMCS 0x0CD00
+#define IXGBE_RUPPBMR 0x050A0
+#define IXGBE_RT2CR(_i) (0x03C20 + ((_i) * 4)) /* 8 of these (0-7) */
+#define IXGBE_RT2SR(_i) (0x03C40 + ((_i) * 4)) /* 8 of these (0-7) */
+#define IXGBE_TDTQ2TCCR(_i) (0x0602C + ((_i) * 0x40)) /* 8 of these (0-7) */
+#define IXGBE_TDTQ2TCSR(_i) (0x0622C + ((_i) * 0x40)) /* 8 of these (0-7) */
+#define IXGBE_TDPT2TCCR(_i) (0x0CD20 + ((_i) * 4)) /* 8 of these (0-7) */
+#define IXGBE_TDPT2TCSR(_i) (0x0CD40 + ((_i) * 4)) /* 8 of these (0-7) */
+
+/* Stats registers */
+#define IXGBE_CRCERRS 0x04000
+#define IXGBE_ILLERRC 0x04004
+#define IXGBE_ERRBC 0x04008
+#define IXGBE_MSPDC 0x04010
+#define IXGBE_MPC(_i) (0x03FA0 + ((_i) * 4)) /* 8 of these 3FA0-3FBC*/
+#define IXGBE_MLFC 0x04034
+#define IXGBE_MRFC 0x04038
+#define IXGBE_RLEC 0x04040
+#define IXGBE_LXONTXC 0x03F60
+#define IXGBE_LXONRXC 0x0CF60
+#define IXGBE_LXOFFTXC 0x03F68
+#define IXGBE_LXOFFRXC 0x0CF68
+#define IXGBE_PXONTXC(_i) (0x03F00 + ((_i) * 4)) /* 8 of these 3F00-3F1C*/
+#define IXGBE_PXONRXC(_i) (0x0CF00 + ((_i) * 4)) /* 8 of these CF00-CF1C*/
+#define IXGBE_PXOFFTXC(_i) (0x03F20 + ((_i) * 4)) /* 8 of these 3F20-3F3C*/
+#define IXGBE_PXOFFRXC(_i) (0x0CF20 + ((_i) * 4)) /* 8 of these CF20-CF3C*/
+#define IXGBE_PRC64 0x0405C
+#define IXGBE_PRC127 0x04060
+#define IXGBE_PRC255 0x04064
+#define IXGBE_PRC511 0x04068
+#define IXGBE_PRC1023 0x0406C
+#define IXGBE_PRC1522 0x04070
+#define IXGBE_GPRC 0x04074
+#define IXGBE_BPRC 0x04078
+#define IXGBE_MPRC 0x0407C
+#define IXGBE_GPTC 0x04080
+#define IXGBE_GORCL 0x04088
+#define IXGBE_GORCH 0x0408C
+#define IXGBE_GOTCL 0x04090
+#define IXGBE_GOTCH 0x04094
+#define IXGBE_RNBC(_i) (0x03FC0 + ((_i) * 4)) /* 8 of these 3FC0-3FDC*/
+#define IXGBE_RUC 0x040A4
+#define IXGBE_RFC 0x040A8
+#define IXGBE_ROC 0x040AC
+#define IXGBE_RJC 0x040B0
+#define IXGBE_MNGPRC 0x040B4
+#define IXGBE_MNGPDC 0x040B8
+#define IXGBE_MNGPTC 0x0CF90
+#define IXGBE_TORL 0x040C0
+#define IXGBE_TORH 0x040C4
+#define IXGBE_TPR 0x040D0
+#define IXGBE_TPT 0x040D4
+#define IXGBE_PTC64 0x040D8
+#define IXGBE_PTC127 0x040DC
+#define IXGBE_PTC255 0x040E0
+#define IXGBE_PTC511 0x040E4
+#define IXGBE_PTC1023 0x040E8
+#define IXGBE_PTC1522 0x040EC
+#define IXGBE_MPTC 0x040F0
+#define IXGBE_BPTC 0x040F4
+#define IXGBE_XEC 0x04120
+
+#define IXGBE_RQSMR(_i) (0x02300 + ((_i) * 4)) /* 16 of these */
+#define IXGBE_TQSMR(_i) (0x07300 + ((_i) * 4)) /* 8 of these */
+
+#define IXGBE_QPRC(_i) (0x01030 + ((_i) * 0x40)) /* 16 of these */
+#define IXGBE_QPTC(_i) (0x06030 + ((_i) * 0x40)) /* 16 of these */
+#define IXGBE_QBRC(_i) (0x01034 + ((_i) * 0x40)) /* 16 of these */
+#define IXGBE_QBTC(_i) (0x06034 + ((_i) * 0x40)) /* 16 of these */
+
+/* Management */
+#define IXGBE_MAVTV(_i) (0x05010 + ((_i) * 4)) /* 8 of these (0-7) */
+#define IXGBE_MFUTP(_i) (0x05030 + ((_i) * 4)) /* 8 of these (0-7) */
+#define IXGBE_MANC 0x05820
+#define IXGBE_MFVAL 0x05824
+#define IXGBE_MANC2H 0x05860
+#define IXGBE_MDEF(_i) (0x05890 + ((_i) * 4)) /* 8 of these (0-7) */
+#define IXGBE_MIPAF 0x058B0
+#define IXGBE_MMAL(_i) (0x05910 + ((_i) * 8)) /* 4 of these (0-3) */
+#define IXGBE_MMAH(_i) (0x05914 + ((_i) * 8)) /* 4 of these (0-3) */
+#define IXGBE_FTFT 0x09400 /* 0x9400-0x97FC */
+
+/* ARC Subsystem registers */
+#define IXGBE_HICR 0x15F00
+#define IXGBE_FWSTS 0x15F0C
+#define IXGBE_HSMC0R 0x15F04
+#define IXGBE_HSMC1R 0x15F08
+#define IXGBE_SWSR 0x15F10
+#define IXGBE_HFDR 0x15FE8
+#define IXGBE_FLEX_MNG 0x15800 /* 0x15800 - 0x15EFC */
+
+/* PCI-E registers */
+#define IXGBE_GCR 0x11000
+#define IXGBE_GTV 0x11004
+#define IXGBE_FUNCTAG 0x11008
+#define IXGBE_GLT 0x1100C
+#define IXGBE_GSCL_1 0x11010
+#define IXGBE_GSCL_2 0x11014
+#define IXGBE_GSCL_3 0x11018
+#define IXGBE_GSCL_4 0x1101C
+#define IXGBE_GSCN_0 0x11020
+#define IXGBE_GSCN_1 0x11024
+#define IXGBE_GSCN_2 0x11028
+#define IXGBE_GSCN_3 0x1102C
+#define IXGBE_FACTPS 0x10150
+#define IXGBE_PCIEANACTL 0x11040
+#define IXGBE_SWSM 0x10140
+#define IXGBE_FWSM 0x10148
+#define IXGBE_GSSR 0x10160
+#define IXGBE_MREVID 0x11064
+#define IXGBE_DCA_ID 0x11070
+#define IXGBE_DCA_CTRL 0x11074
+
+/* Diagnostic Registers */
+#define IXGBE_RDSTATCTL 0x02C20
+#define IXGBE_RDSTAT(_i) (0x02C00 + ((_i) * 4)) /* 0x02C00-0x02C1C */
+#define IXGBE_RDHMPN 0x02F08
+#define IXGBE_RIC_DW0 0x02F10
+#define IXGBE_RIC_DW1 0x02F14
+#define IXGBE_RIC_DW2 0x02F18
+#define IXGBE_RIC_DW3 0x02F1C
+#define IXGBE_RDPROBE 0x02F20
+#define IXGBE_TDSTATCTL 0x07C20
+#define IXGBE_TDSTAT(_i) (0x07C00 + ((_i) * 4)) /* 0x07C00 - 0x07C1C */
+#define IXGBE_TDHMPN 0x07F08
+#define IXGBE_TIC_DW0 0x07F10
+#define IXGBE_TIC_DW1 0x07F14
+#define IXGBE_TIC_DW2 0x07F18
+#define IXGBE_TIC_DW3 0x07F1C
+#define IXGBE_TDPROBE 0x07F20
+#define IXGBE_TXBUFCTRL 0x0C600
+#define IXGBE_TXBUFDATA0 0x0C610
+#define IXGBE_TXBUFDATA1 0x0C614
+#define IXGBE_TXBUFDATA2 0x0C618
+#define IXGBE_TXBUFDATA3 0x0C61C
+#define IXGBE_RXBUFCTRL 0x03600
+#define IXGBE_RXBUFDATA0 0x03610
+#define IXGBE_RXBUFDATA1 0x03614
+#define IXGBE_RXBUFDATA2 0x03618
+#define IXGBE_RXBUFDATA3 0x0361C
+#define IXGBE_PCIE_DIAG(_i) (0x11090 + ((_i) * 4)) /* 8 of these */
+#define IXGBE_RFVAL 0x050A4
+#define IXGBE_MDFTC1 0x042B8
+#define IXGBE_MDFTC2 0x042C0
+#define IXGBE_MDFTFIFO1 0x042C4
+#define IXGBE_MDFTFIFO2 0x042C8
+#define IXGBE_MDFTS 0x042CC
+#define IXGBE_RXDATAWRPTR(_i) (0x03700 + ((_i) * 4)) /* 8 of these 3700-370C*/
+#define IXGBE_RXDESCWRPTR(_i) (0x03710 + ((_i) * 4)) /* 8 of these 3710-371C*/
+#define IXGBE_RXDATARDPTR(_i) (0x03720 + ((_i) * 4)) /* 8 of these 3720-372C*/
+#define IXGBE_RXDESCRDPTR(_i) (0x03730 + ((_i) * 4)) /* 8 of these 3730-373C*/
+#define IXGBE_TXDATAWRPTR(_i) (0x0C700 + ((_i) * 4)) /* 8 of these C700-C70C*/
+#define IXGBE_TXDESCWRPTR(_i) (0x0C710 + ((_i) * 4)) /* 8 of these C710-C71C*/
+#define IXGBE_TXDATARDPTR(_i) (0x0C720 + ((_i) * 4)) /* 8 of these C720-C72C*/
+#define IXGBE_TXDESCRDPTR(_i) (0x0C730 + ((_i) * 4)) /* 8 of these C730-C73C*/
+#define IXGBE_PCIEECCCTL 0x1106C
+#define IXGBE_PBTXECC 0x0C300
+#define IXGBE_PBRXECC 0x03300
+#define IXGBE_GHECCR 0x110B0
+
+/* MAC Registers */
+#define IXGBE_PCS1GCFIG 0x04200
+#define IXGBE_PCS1GLCTL 0x04208
+#define IXGBE_PCS1GLSTA 0x0420C
+#define IXGBE_PCS1GDBG0 0x04210
+#define IXGBE_PCS1GDBG1 0x04214
+#define IXGBE_PCS1GANA 0x04218
+#define IXGBE_PCS1GANLP 0x0421C
+#define IXGBE_PCS1GANNP 0x04220
+#define IXGBE_PCS1GANLPNP 0x04224
+#define IXGBE_HLREG0 0x04240
+#define IXGBE_HLREG1 0x04244
+#define IXGBE_PAP 0x04248
+#define IXGBE_MACA 0x0424C
+#define IXGBE_APAE 0x04250
+#define IXGBE_ARD 0x04254
+#define IXGBE_AIS 0x04258
+#define IXGBE_MSCA 0x0425C
+#define IXGBE_MSRWD 0x04260
+#define IXGBE_MLADD 0x04264
+#define IXGBE_MHADD 0x04268
+#define IXGBE_TREG 0x0426C
+#define IXGBE_PCSS1 0x04288
+#define IXGBE_PCSS2 0x0428C
+#define IXGBE_XPCSS 0x04290
+#define IXGBE_SERDESC 0x04298
+#define IXGBE_MACS 0x0429C
+#define IXGBE_AUTOC 0x042A0
+#define IXGBE_LINKS 0x042A4
+#define IXGBE_AUTOC2 0x042A8
+#define IXGBE_AUTOC3 0x042AC
+#define IXGBE_ANLP1 0x042B0
+#define IXGBE_ANLP2 0x042B4
+#define IXGBE_ATLASCTL 0x04800
+
+/* RSCCTL Bit Masks */
+#define IXGBE_RSCCTL_RSCEN 0x01
+#define IXGBE_RSCCTL_MAXDESC_1 0x00
+#define IXGBE_RSCCTL_MAXDESC_4 0x04
+#define IXGBE_RSCCTL_MAXDESC_8 0x08
+#define IXGBE_RSCCTL_MAXDESC_16 0x0C
+
+/* CTRL Bit Masks */
+#define IXGBE_CTRL_GIO_DIS 0x00000004 /* Global IO Master Disable bit */
+#define IXGBE_CTRL_LNK_RST 0x00000008 /* Link Reset. Resets everything. */
+#define IXGBE_CTRL_RST 0x04000000 /* Reset (SW) */
+
+/* FACTPS */
+#define IXGBE_FACTPS_LFS 0x40000000 /* LAN Function Select */
+
+/* MHADD Bit Masks */
+#define IXGBE_MHADD_MFS_MASK 0xFFFF0000
+#define IXGBE_MHADD_MFS_SHIFT 16
+
+/* Extended Device Control */
+#define IXGBE_CTRL_EXT_NS_DIS 0x00010000 /* No Snoop disable */
+#define IXGBE_CTRL_EXT_RO_DIS 0x00020000 /* Relaxed Ordering disable */
+#define IXGBE_CTRL_EXT_DRV_LOAD 0x10000000 /* Driver loaded bit for FW */
+
+/* Direct Cache Access (DCA) definitions */
+#define IXGBE_DCA_CTRL_DCA_ENABLE 0x00000000 /* DCA Enable */
+#define IXGBE_DCA_CTRL_DCA_DISABLE 0x00000001 /* DCA Disable */
+
+#define IXGBE_DCA_CTRL_DCA_MODE_CB1 0x00 /* DCA Mode CB1 */
+#define IXGBE_DCA_CTRL_DCA_MODE_CB2 0x02 /* DCA Mode CB2 */
+
+#define IXGBE_DCA_RXCTRL_CPUID_MASK 0x0000001F /* Rx CPUID Mask */
+#define IXGBE_DCA_RXCTRL_DESC_DCA_EN (1 << 5) /* DCA Rx Desc enable */
+#define IXGBE_DCA_RXCTRL_HEAD_DCA_EN (1 << 6) /* DCA Rx Desc header enable */
+#define IXGBE_DCA_RXCTRL_DATA_DCA_EN (1 << 7) /* DCA Rx Desc payload enable */
+
+#define IXGBE_DCA_TXCTRL_CPUID_MASK 0x0000001F /* Tx CPUID Mask */
+#define IXGBE_DCA_TXCTRL_DESC_DCA_EN (1 << 5) /* DCA Tx Desc enable */
+#define IXGBE_DCA_TXCTRL_TX_WB_RO_EN (1 << 11) /* TX Desc writeback RO bit */
+#define IXGBE_DCA_MAX_QUEUES_82598 16 /* DCA regs only on 16 queues */
+
+/* MSCA Bit Masks */
+#define IXGBE_MSCA_NP_ADDR_MASK 0x0000FFFF /* MDI Address (new protocol) */
+#define IXGBE_MSCA_NP_ADDR_SHIFT 0
+#define IXGBE_MSCA_DEV_TYPE_MASK 0x001F0000 /* Device Type (new protocol) */
+#define IXGBE_MSCA_DEV_TYPE_SHIFT 16 /* Register Address (old protocol */
+#define IXGBE_MSCA_PHY_ADDR_MASK 0x03E00000 /* PHY Address mask */
+#define IXGBE_MSCA_PHY_ADDR_SHIFT 21 /* PHY Address shift*/
+#define IXGBE_MSCA_OP_CODE_MASK 0x0C000000 /* OP CODE mask */
+#define IXGBE_MSCA_OP_CODE_SHIFT 26 /* OP CODE shift */
+#define IXGBE_MSCA_ADDR_CYCLE 0x00000000 /* OP CODE 00 (addr cycle) */
+#define IXGBE_MSCA_WRITE 0x04000000 /* OP CODE 01 (write) */
+#define IXGBE_MSCA_READ 0x08000000 /* OP CODE 10 (read) */
+#define IXGBE_MSCA_READ_AUTOINC 0x0C000000 /* OP CODE 11 (read, auto inc)*/
+#define IXGBE_MSCA_ST_CODE_MASK 0x30000000 /* ST Code mask */
+#define IXGBE_MSCA_ST_CODE_SHIFT 28 /* ST Code shift */
+#define IXGBE_MSCA_NEW_PROTOCOL 0x00000000 /* ST CODE 00 (new protocol) */
+#define IXGBE_MSCA_OLD_PROTOCOL 0x10000000 /* ST CODE 01 (old protocol) */
+#define IXGBE_MSCA_MDI_COMMAND 0x40000000 /* Initiate MDI command */
+#define IXGBE_MSCA_MDI_IN_PROG_EN 0x80000000 /* MDI in progress enable */
+
+/* MSRWD bit masks */
+#define IXGBE_MSRWD_WRITE_DATA_MASK 0x0000FFFF
+#define IXGBE_MSRWD_WRITE_DATA_SHIFT 0
+#define IXGBE_MSRWD_READ_DATA_MASK 0xFFFF0000
+#define IXGBE_MSRWD_READ_DATA_SHIFT 16
+
+/* Atlas registers */
+#define IXGBE_ATLAS_PDN_LPBK 0x24
+#define IXGBE_ATLAS_PDN_10G 0xB
+#define IXGBE_ATLAS_PDN_1G 0xC
+#define IXGBE_ATLAS_PDN_AN 0xD
+
+/* Atlas bit masks */
+#define IXGBE_ATLASCTL_WRITE_CMD 0x00010000
+#define IXGBE_ATLAS_PDN_TX_REG_EN 0x10
+#define IXGBE_ATLAS_PDN_TX_10G_QL_ALL 0xF0
+#define IXGBE_ATLAS_PDN_TX_1G_QL_ALL 0xF0
+#define IXGBE_ATLAS_PDN_TX_AN_QL_ALL 0xF0
+
+/* Device Type definitions for new protocol MDIO commands */
+#define IXGBE_MDIO_PMA_PMD_DEV_TYPE 0x1
+#define IXGBE_MDIO_PCS_DEV_TYPE 0x3
+#define IXGBE_MDIO_PHY_XS_DEV_TYPE 0x4
+#define IXGBE_MDIO_AUTO_NEG_DEV_TYPE 0x7
+#define IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE 0x1E /* Device 30 */
+
+#define IXGBE_MDIO_VENDOR_SPECIFIC_1_CONTROL 0x0 /* VS1 Control Reg */
+#define IXGBE_MDIO_VENDOR_SPECIFIC_1_STATUS 0x1 /* VS1 Status Reg */
+#define IXGBE_MDIO_VENDOR_SPECIFIC_1_LINK_STATUS 0x0008 /* 1 = Link Up */
+#define IXGBE_MDIO_VENDOR_SPECIFIC_1_SPEED_STATUS 0x0010 /* 0 - 10G, 1 - 1G */
+#define IXGBE_MDIO_VENDOR_SPECIFIC_1_10G_SPEED 0x0018
+#define IXGBE_MDIO_VENDOR_SPECIFIC_1_1G_SPEED 0x0010
+
+#define IXGBE_MDIO_AUTO_NEG_CONTROL 0x0 /* AUTO_NEG Control Reg */
+#define IXGBE_MDIO_AUTO_NEG_STATUS 0x1 /* AUTO_NEG Status Reg */
+#define IXGBE_MDIO_PHY_XS_CONTROL 0x0 /* PHY_XS Control Reg */
+#define IXGBE_MDIO_PHY_XS_RESET 0x8000 /* PHY_XS Reset */
+#define IXGBE_MDIO_PHY_ID_HIGH 0x2 /* PHY ID High Reg*/
+#define IXGBE_MDIO_PHY_ID_LOW 0x3 /* PHY ID Low Reg*/
+#define IXGBE_MDIO_PHY_SPEED_ABILITY 0x4 /* Speed Abilty Reg */
+#define IXGBE_MDIO_PHY_SPEED_10G 0x0001 /* 10G capable */
+#define IXGBE_MDIO_PHY_SPEED_1G 0x0010 /* 1G capable */
+
+#define IXGBE_PHY_REVISION_MASK 0xFFFFFFF0
+#define IXGBE_MAX_PHY_ADDR 32
+
+/* PHY IDs*/
+#define TN1010_PHY_ID 0x00A19410
+#define QT2022_PHY_ID 0x0043A400
+
+/* General purpose Interrupt Enable */
+#define IXGBE_GPIE_MSIX_MODE 0x00000010 /* MSI-X mode */
+#define IXGBE_GPIE_OCD 0x00000020 /* Other Clear Disable */
+#define IXGBE_GPIE_EIMEN 0x00000040 /* Immediate Interrupt Enable */
+#define IXGBE_GPIE_EIAME 0x40000000
+#define IXGBE_GPIE_PBA_SUPPORT 0x80000000
+
+/* Transmit Flow Control status */
+#define IXGBE_TFCS_TXOFF 0x00000001
+#define IXGBE_TFCS_TXOFF0 0x00000100
+#define IXGBE_TFCS_TXOFF1 0x00000200
+#define IXGBE_TFCS_TXOFF2 0x00000400
+#define IXGBE_TFCS_TXOFF3 0x00000800
+#define IXGBE_TFCS_TXOFF4 0x00001000
+#define IXGBE_TFCS_TXOFF5 0x00002000
+#define IXGBE_TFCS_TXOFF6 0x00004000
+#define IXGBE_TFCS_TXOFF7 0x00008000
+
+/* TCP Timer */
+#define IXGBE_TCPTIMER_KS 0x00000100
+#define IXGBE_TCPTIMER_COUNT_ENABLE 0x00000200
+#define IXGBE_TCPTIMER_COUNT_FINISH 0x00000400
+#define IXGBE_TCPTIMER_LOOP 0x00000800
+#define IXGBE_TCPTIMER_DURATION_MASK 0x000000FF
+
+/* HLREG0 Bit Masks */
+#define IXGBE_HLREG0_TXCRCEN 0x00000001 /* bit 0 */
+#define IXGBE_HLREG0_RXCRCSTRP 0x00000002 /* bit 1 */
+#define IXGBE_HLREG0_JUMBOEN 0x00000004 /* bit 2 */
+#define IXGBE_HLREG0_TXPADEN 0x00000400 /* bit 10 */
+#define IXGBE_HLREG0_TXPAUSEEN 0x00001000 /* bit 12 */
+#define IXGBE_HLREG0_RXPAUSEEN 0x00004000 /* bit 14 */
+#define IXGBE_HLREG0_LPBK 0x00008000 /* bit 15 */
+#define IXGBE_HLREG0_MDCSPD 0x00010000 /* bit 16 */
+#define IXGBE_HLREG0_CONTMDC 0x00020000 /* bit 17 */
+#define IXGBE_HLREG0_CTRLFLTR 0x00040000 /* bit 18 */
+#define IXGBE_HLREG0_PREPEND 0x00F00000 /* bits 20-23 */
+#define IXGBE_HLREG0_PRIPAUSEEN 0x01000000 /* bit 24 */
+#define IXGBE_HLREG0_RXPAUSERECDA 0x06000000 /* bits 25-26 */
+#define IXGBE_HLREG0_RXLNGTHERREN 0x08000000 /* bit 27 */
+#define IXGBE_HLREG0_RXPADSTRIPEN 0x10000000 /* bit 28 */
+
+/* VMD_CTL bitmasks */
+#define IXGBE_VMD_CTL_VMDQ_EN 0x00000001
+#define IXGBE_VMD_CTL_VMDQ_FILTER 0x00000002
+
+/* RDHMPN and TDHMPN bitmasks */
+#define IXGBE_RDHMPN_RDICADDR 0x007FF800
+#define IXGBE_RDHMPN_RDICRDREQ 0x00800000
+#define IXGBE_RDHMPN_RDICADDR_SHIFT 11
+#define IXGBE_TDHMPN_TDICADDR 0x003FF800
+#define IXGBE_TDHMPN_TDICRDREQ 0x00800000
+#define IXGBE_TDHMPN_TDICADDR_SHIFT 11
+
+/* Receive Checksum Control */
+#define IXGBE_RXCSUM_IPPCSE 0x00001000 /* IP payload checksum enable */
+#define IXGBE_RXCSUM_PCSD 0x00002000 /* packet checksum disabled */
+
+/* FCRTL Bit Masks */
+#define IXGBE_FCRTL_XONE 0x80000000 /* bit 31, XON enable */
+#define IXGBE_FCRTH_FCEN 0x80000000 /* Rx Flow control enable */
+
+/* PAP bit masks*/
+#define IXGBE_PAP_TXPAUSECNT_MASK 0x0000FFFF /* Pause counter mask */
+
+/* RMCS Bit Masks */
+#define IXGBE_RMCS_RRM 0x00000002 /* Receive Recylce Mode enable */
+/* Receive Arbitration Control: 0 Round Robin, 1 DFP */
+#define IXGBE_RMCS_RAC 0x00000004
+#define IXGBE_RMCS_DFP IXGBE_RMCS_RAC /* Deficit Fixed Priority ena */
+#define IXGBE_RMCS_TFCE_802_3X 0x00000008 /* Tx Priority flow control ena */
+#define IXGBE_RMCS_TFCE_PRIORITY 0x00000010 /* Tx Priority flow control ena */
+#define IXGBE_RMCS_ARBDIS 0x00000040 /* Arbitration disable bit */
+
+/* Interrupt register bitmasks */
+
+/* Extended Interrupt Cause Read */
+#define IXGBE_EICR_RTX_QUEUE 0x0000FFFF /* RTx Queue Interrupt */
+#define IXGBE_EICR_LSC 0x00100000 /* Link Status Change */
+#define IXGBE_EICR_MNG 0x00400000 /* Managability Event Interrupt */
+#define IXGBE_EICR_PBUR 0x10000000 /* Packet Buffer Handler Error */
+#define IXGBE_EICR_DHER 0x20000000 /* Descriptor Handler Error */
+#define IXGBE_EICR_TCP_TIMER 0x40000000 /* TCP Timer */
+#define IXGBE_EICR_OTHER 0x80000000 /* Interrupt Cause Active */
+
+/* Extended Interrupt Cause Set */
+#define IXGBE_EICS_RTX_QUEUE IXGBE_EICR_RTX_QUEUE /* RTx Queue Interrupt */
+#define IXGBE_EICS_LSC IXGBE_EICR_LSC /* Link Status Change */
+#define IXGBE_EICR_GPI_SDP0 0x01000000 /* Gen Purpose Interrupt on SDP0 */
+#define IXGBE_EICS_MNG IXGBE_EICR_MNG /* MNG Event Interrupt */
+#define IXGBE_EICS_PBUR IXGBE_EICR_PBUR /* Pkt Buf Handler Error */
+#define IXGBE_EICS_DHER IXGBE_EICR_DHER /* Desc Handler Error */
+#define IXGBE_EICS_TCP_TIMER IXGBE_EICR_TCP_TIMER /* TCP Timer */
+#define IXGBE_EICS_OTHER IXGBE_EICR_OTHER /* INT Cause Active */
+
+/* Extended Interrupt Mask Set */
+#define IXGBE_EIMS_RTX_QUEUE IXGBE_EICR_RTX_QUEUE /* RTx Queue Interrupt */
+#define IXGBE_EIMS_LSC IXGBE_EICR_LSC /* Link Status Change */
+#define IXGBE_EIMS_MNG IXGBE_EICR_MNG /* MNG Event Interrupt */
+#define IXGBE_EIMS_PBUR IXGBE_EICR_PBUR /* Pkt Buf Handler Error */
+#define IXGBE_EIMS_DHER IXGBE_EICR_DHER /* Descr Handler Error */
+#define IXGBE_EIMS_TCP_TIMER IXGBE_EICR_TCP_TIMER /* TCP Timer */
+#define IXGBE_EIMS_OTHER IXGBE_EICR_OTHER /* INT Cause Active */
+
+/* Extended Interrupt Mask Clear */
+#define IXGBE_EIMC_RTX_QUEUE IXGBE_EICR_RTX_QUEUE /* RTx Queue Interrupt */
+#define IXGBE_EIMC_LSC IXGBE_EICR_LSC /* Link Status Change */
+#define IXGBE_EIMC_MNG IXGBE_EICR_MNG /* MNG Event Interrupt */
+#define IXGBE_EIMC_PBUR IXGBE_EICR_PBUR /* Pkt Buf Handler Error */
+#define IXGBE_EIMC_DHER IXGBE_EICR_DHER /* Desc Handler Error */
+#define IXGBE_EIMC_TCP_TIMER IXGBE_EICR_TCP_TIMER /* TCP Timer */
+#define IXGBE_EIMC_OTHER IXGBE_EICR_OTHER /* INT Cause Active */
+
+#define IXGBE_EIMS_ENABLE_MASK (\
+ IXGBE_EIMS_RTX_QUEUE | \
+ IXGBE_EIMS_LSC | \
+ IXGBE_EIMS_TCP_TIMER | \
+ IXGBE_EIMS_OTHER)
+
+/* Immediate Interrupt RX (A.K.A. Low Latency Interrupt) */
+#define IXGBE_IMIR_PORT_IM_EN 0x00010000 /* TCP port enable */
+#define IXGBE_IMIR_PORT_BP 0x00020000 /* TCP port check bypass */
+#define IXGBE_IMIREXT_SIZE_BP 0x00001000 /* Packet size bypass */
+#define IXGBE_IMIREXT_CTRL_URG 0x00002000 /* Check URG bit in header */
+#define IXGBE_IMIREXT_CTRL_ACK 0x00004000 /* Check ACK bit in header */
+#define IXGBE_IMIREXT_CTRL_PSH 0x00008000 /* Check PSH bit in header */
+#define IXGBE_IMIREXT_CTRL_RST 0x00010000 /* Check RST bit in header */
+#define IXGBE_IMIREXT_CTRL_SYN 0x00020000 /* Check SYN bit in header */
+#define IXGBE_IMIREXT_CTRL_FIN 0x00040000 /* Check FIN bit in header */
+#define IXGBE_IMIREXT_CTRL_BP 0x00080000 /* Bypass check of control bits */
+
+/* Interrupt clear mask */
+#define IXGBE_IRQ_CLEAR_MASK 0xFFFFFFFF
+
+/* Interrupt Vector Allocation Registers */
+#define IXGBE_IVAR_REG_NUM 25
+#define IXGBE_IVAR_TXRX_ENTRY 96
+#define IXGBE_IVAR_RX_ENTRY 64
+#define IXGBE_IVAR_RX_QUEUE(_i) (0 + (_i))
+#define IXGBE_IVAR_TX_QUEUE(_i) (64 + (_i))
+#define IXGBE_IVAR_TX_ENTRY 32
+
+#define IXGBE_IVAR_TCP_TIMER_INDEX 96 /* 0 based index */
+#define IXGBE_IVAR_OTHER_CAUSES_INDEX 97 /* 0 based index */
+
+#define IXGBE_MSIX_VECTOR(_i) (0 + (_i))
+
+#define IXGBE_IVAR_ALLOC_VAL 0x80 /* Interrupt Allocation valid */
+
+/* VLAN Control Bit Masks */
+#define IXGBE_VLNCTRL_VET 0x0000FFFF /* bits 0-15 */
+#define IXGBE_VLNCTRL_CFI 0x10000000 /* bit 28 */
+#define IXGBE_VLNCTRL_CFIEN 0x20000000 /* bit 29 */
+#define IXGBE_VLNCTRL_VFE 0x40000000 /* bit 30 */
+#define IXGBE_VLNCTRL_VME 0x80000000 /* bit 31 */
+
+#define IXGBE_ETHERNET_IEEE_VLAN_TYPE 0x8100 /* 802.1q protocol */
+
+/* STATUS Bit Masks */
+#define IXGBE_STATUS_LAN_ID 0x0000000C /* LAN ID */
+#define IXGBE_STATUS_GIO 0x00080000 /* GIO Master Enable Status */
+
+#define IXGBE_STATUS_LAN_ID_0 0x00000000 /* LAN ID 0 */
+#define IXGBE_STATUS_LAN_ID_1 0x00000004 /* LAN ID 1 */
+
+/* ESDP Bit Masks */
+#define IXGBE_ESDP_SDP4 0x00000001 /* SDP4 Data Value */
+#define IXGBE_ESDP_SDP5 0x00000002 /* SDP5 Data Value */
+#define IXGBE_ESDP_SDP4_DIR 0x00000004 /* SDP4 IO direction */
+#define IXGBE_ESDP_SDP5_DIR 0x00000008 /* SDP5 IO direction */
+
+/* LEDCTL Bit Masks */
+#define IXGBE_LED_IVRT_BASE 0x00000040
+#define IXGBE_LED_BLINK_BASE 0x00000080
+#define IXGBE_LED_MODE_MASK_BASE 0x0000000F
+#define IXGBE_LED_OFFSET(_base, _i) (_base << (8 * (_i)))
+#define IXGBE_LED_MODE_SHIFT(_i) (8*(_i))
+#define IXGBE_LED_IVRT(_i) IXGBE_LED_OFFSET(IXGBE_LED_IVRT_BASE, _i)
+#define IXGBE_LED_BLINK(_i) IXGBE_LED_OFFSET(IXGBE_LED_BLINK_BASE, _i)
+#define IXGBE_LED_MODE_MASK(_i) IXGBE_LED_OFFSET(IXGBE_LED_MODE_MASK_BASE, _i)
+
+/* LED modes */
+#define IXGBE_LED_LINK_UP 0x0
+#define IXGBE_LED_LINK_10G 0x1
+#define IXGBE_LED_MAC 0x2
+#define IXGBE_LED_FILTER 0x3
+#define IXGBE_LED_LINK_ACTIVE 0x4
+#define IXGBE_LED_LINK_1G 0x5
+#define IXGBE_LED_ON 0xE
+#define IXGBE_LED_OFF 0xF
+
+/* AUTOC Bit Masks */
+#define IXGBE_AUTOC_KX4_SUPP 0x80000000
+#define IXGBE_AUTOC_KX_SUPP 0x40000000
+#define IXGBE_AUTOC_PAUSE 0x30000000
+#define IXGBE_AUTOC_RF 0x08000000
+#define IXGBE_AUTOC_PD_TMR 0x06000000
+#define IXGBE_AUTOC_AN_RX_LOOSE 0x01000000
+#define IXGBE_AUTOC_AN_RX_DRIFT 0x00800000
+#define IXGBE_AUTOC_AN_RX_ALIGN 0x007C0000
+#define IXGBE_AUTOC_AN_RESTART 0x00001000
+#define IXGBE_AUTOC_FLU 0x00000001
+#define IXGBE_AUTOC_LMS_SHIFT 13
+#define IXGBE_AUTOC_LMS_MASK (0x7 << IXGBE_AUTOC_LMS_SHIFT)
+#define IXGBE_AUTOC_LMS_1G_LINK_NO_AN (0x0 << IXGBE_AUTOC_LMS_SHIFT)
+#define IXGBE_AUTOC_LMS_10G_LINK_NO_AN (0x1 << IXGBE_AUTOC_LMS_SHIFT)
+#define IXGBE_AUTOC_LMS_1G_AN (0x2 << IXGBE_AUTOC_LMS_SHIFT)
+#define IXGBE_AUTOC_LMS_KX4_AN (0x4 << IXGBE_AUTOC_LMS_SHIFT)
+#define IXGBE_AUTOC_LMS_KX4_AN_1G_AN (0x6 << IXGBE_AUTOC_LMS_SHIFT)
+#define IXGBE_AUTOC_LMS_ATTACH_TYPE (0x7 << IXGBE_AUTOC_10G_PMA_PMD_SHIFT)
+
+#define IXGBE_AUTOC_1G_PMA_PMD 0x00000200
+#define IXGBE_AUTOC_10G_PMA_PMD 0x00000180
+#define IXGBE_AUTOC_10G_PMA_PMD_SHIFT 7
+#define IXGBE_AUTOC_1G_PMA_PMD_SHIFT 9
+#define IXGBE_AUTOC_10G_XAUI (0x0 << IXGBE_AUTOC_10G_PMA_PMD_SHIFT)
+#define IXGBE_AUTOC_10G_KX4 (0x1 << IXGBE_AUTOC_10G_PMA_PMD_SHIFT)
+#define IXGBE_AUTOC_10G_CX4 (0x2 << IXGBE_AUTOC_10G_PMA_PMD_SHIFT)
+#define IXGBE_AUTOC_1G_BX (0x0 << IXGBE_AUTOC_1G_PMA_PMD_SHIFT)
+#define IXGBE_AUTOC_1G_KX (0x1 << IXGBE_AUTOC_1G_PMA_PMD_SHIFT)
+
+/* LINKS Bit Masks */
+#define IXGBE_LINKS_KX_AN_COMP 0x80000000
+#define IXGBE_LINKS_UP 0x40000000
+#define IXGBE_LINKS_SPEED 0x20000000
+#define IXGBE_LINKS_MODE 0x18000000
+#define IXGBE_LINKS_RX_MODE 0x06000000
+#define IXGBE_LINKS_TX_MODE 0x01800000
+#define IXGBE_LINKS_XGXS_EN 0x00400000
+#define IXGBE_LINKS_PCS_1G_EN 0x00200000
+#define IXGBE_LINKS_1G_AN_EN 0x00100000
+#define IXGBE_LINKS_KX_AN_IDLE 0x00080000
+#define IXGBE_LINKS_1G_SYNC 0x00040000
+#define IXGBE_LINKS_10G_ALIGN 0x00020000
+#define IXGBE_LINKS_10G_LANE_SYNC 0x00017000
+#define IXGBE_LINKS_TL_FAULT 0x00001000
+#define IXGBE_LINKS_SIGNAL 0x00000F00
+
+#define IXGBE_AUTO_NEG_TIME 45 /* 4.5 Seconds */
+
+/* SW Semaphore Register bitmasks */
+#define IXGBE_SWSM_SMBI 0x00000001 /* Driver Semaphore bit */
+#define IXGBE_SWSM_SWESMBI 0x00000002 /* FW Semaphore bit */
+#define IXGBE_SWSM_WMNG 0x00000004 /* Wake MNG Clock */
+
+/* GSSR definitions */
+#define IXGBE_GSSR_EEP_SM 0x0001
+#define IXGBE_GSSR_PHY0_SM 0x0002
+#define IXGBE_GSSR_PHY1_SM 0x0004
+#define IXGBE_GSSR_MAC_CSR_SM 0x0008
+#define IXGBE_GSSR_FLASH_SM 0x0010
+
+/* EEC Register */
+#define IXGBE_EEC_SK 0x00000001 /* EEPROM Clock */
+#define IXGBE_EEC_CS 0x00000002 /* EEPROM Chip Select */
+#define IXGBE_EEC_DI 0x00000004 /* EEPROM Data In */
+#define IXGBE_EEC_DO 0x00000008 /* EEPROM Data Out */
+#define IXGBE_EEC_FWE_MASK 0x00000030 /* FLASH Write Enable */
+#define IXGBE_EEC_FWE_DIS 0x00000010 /* Disable FLASH writes */
+#define IXGBE_EEC_FWE_EN 0x00000020 /* Enable FLASH writes */
+#define IXGBE_EEC_FWE_SHIFT 4
+#define IXGBE_EEC_REQ 0x00000040 /* EEPROM Access Request */
+#define IXGBE_EEC_GNT 0x00000080 /* EEPROM Access Grant */
+#define IXGBE_EEC_PRES 0x00000100 /* EEPROM Present */
+#define IXGBE_EEC_ARD 0x00000200 /* EEPROM Auto Read Done */
+/* EEPROM Addressing bits based on type (0-small, 1-large) */
+#define IXGBE_EEC_ADDR_SIZE 0x00000400
+#define IXGBE_EEC_SIZE 0x00007800 /* EEPROM Size */
+
+#define IXGBE_EEC_SIZE_SHIFT 11
+#define IXGBE_EEPROM_WORD_SIZE_SHIFT 6
+#define IXGBE_EEPROM_OPCODE_BITS 8
+
+/* Checksum and EEPROM pointers */
+#define IXGBE_EEPROM_CHECKSUM 0x3F
+#define IXGBE_EEPROM_SUM 0xBABA
+#define IXGBE_PCIE_ANALOG_PTR 0x03
+#define IXGBE_ATLAS0_CONFIG_PTR 0x04
+#define IXGBE_ATLAS1_CONFIG_PTR 0x05
+#define IXGBE_PCIE_GENERAL_PTR 0x06
+#define IXGBE_PCIE_CONFIG0_PTR 0x07
+#define IXGBE_PCIE_CONFIG1_PTR 0x08
+#define IXGBE_CORE0_PTR 0x09
+#define IXGBE_CORE1_PTR 0x0A
+#define IXGBE_MAC0_PTR 0x0B
+#define IXGBE_MAC1_PTR 0x0C
+#define IXGBE_CSR0_CONFIG_PTR 0x0D
+#define IXGBE_CSR1_CONFIG_PTR 0x0E
+#define IXGBE_FW_PTR 0x0F
+#define IXGBE_PBANUM0_PTR 0x15
+#define IXGBE_PBANUM1_PTR 0x16
+
+/* EEPROM Commands - SPI */
+#define IXGBE_EEPROM_MAX_RETRY_SPI 5000 /* Max wait 5ms for RDY signal */
+#define IXGBE_EEPROM_STATUS_RDY_SPI 0x01
+#define IXGBE_EEPROM_READ_OPCODE_SPI 0x03 /* EEPROM read opcode */
+#define IXGBE_EEPROM_WRITE_OPCODE_SPI 0x02 /* EEPROM write opcode */
+#define IXGBE_EEPROM_A8_OPCODE_SPI 0x08 /* opcode bit-3 = addr bit-8 */
+#define IXGBE_EEPROM_WREN_OPCODE_SPI 0x06 /* EEPROM set Write Ena latch */
+/* EEPROM reset Write Enbale latch */
+#define IXGBE_EEPROM_WRDI_OPCODE_SPI 0x04
+#define IXGBE_EEPROM_RDSR_OPCODE_SPI 0x05 /* EEPROM read Status reg */
+#define IXGBE_EEPROM_WRSR_OPCODE_SPI 0x01 /* EEPROM write Status reg */
+#define IXGBE_EEPROM_ERASE4K_OPCODE_SPI 0x20 /* EEPROM ERASE 4KB */
+#define IXGBE_EEPROM_ERASE64K_OPCODE_SPI 0xD8 /* EEPROM ERASE 64KB */
+#define IXGBE_EEPROM_ERASE256_OPCODE_SPI 0xDB /* EEPROM ERASE 256B */
+
+/* EEPROM Read Register */
+#define IXGBE_EEPROM_READ_REG_DATA 16 /* data offset in EEPROM read reg */
+#define IXGBE_EEPROM_READ_REG_DONE 2 /* Offset to READ done bit */
+#define IXGBE_EEPROM_READ_REG_START 1 /* First bit to start operation */
+#define IXGBE_EEPROM_READ_ADDR_SHIFT 2 /* Shift to the address bits */
+
+#define IXGBE_ETH_LENGTH_OF_ADDRESS 6
+
+#ifndef IXGBE_EEPROM_GRANT_ATTEMPTS
+#define IXGBE_EEPROM_GRANT_ATTEMPTS 1000 /* EEPROM # attempts to gain grant */
+#endif
+
+#ifndef IXGBE_EERD_ATTEMPTS
+/* Number of 5 microseconds we wait for EERD read to complete */
+#define IXGBE_EERD_ATTEMPTS 100000
+#endif
+
+/* PCI Bus Info */
+#define IXGBE_PCI_LINK_STATUS 0xB2
+#define IXGBE_PCI_LINK_WIDTH 0x3F0
+#define IXGBE_PCI_LINK_WIDTH_1 0x10
+#define IXGBE_PCI_LINK_WIDTH_2 0x20
+#define IXGBE_PCI_LINK_WIDTH_4 0x40
+#define IXGBE_PCI_LINK_WIDTH_8 0x80
+#define IXGBE_PCI_LINK_SPEED 0xF
+#define IXGBE_PCI_LINK_SPEED_2500 0x1
+#define IXGBE_PCI_LINK_SPEED_5000 0x2
+
+/* Number of 100 microseconds we wait for PCI Express master disable */
+#define IXGBE_PCI_MASTER_DISABLE_TIMEOUT 800
+
+/* PHY Types */
+#define IXGBE_M88E1145_E_PHY_ID 0x01410CD0
+
+/* Check whether address is multicast. This is little-endian specific check.*/
+#define IXGBE_IS_MULTICAST(Address) \
+ (bool)(((u8 *)(Address))[0] & ((u8)0x01))
+
+/* Check whether an address is broadcast. */
+#define IXGBE_IS_BROADCAST(Address) \
+ ((((u8 *)(Address))[0] == ((u8)0xff)) && \
+ (((u8 *)(Address))[1] == ((u8)0xff)))
+
+/* RAH */
+#define IXGBE_RAH_VIND_MASK 0x003C0000
+#define IXGBE_RAH_VIND_SHIFT 18
+#define IXGBE_RAH_AV 0x80000000
+
+/* Filters */
+#define IXGBE_MC_TBL_SIZE 128 /* Multicast Filter Table (4096 bits) */
+#define IXGBE_VLAN_FILTER_TBL_SIZE 128 /* VLAN Filter Table (4096 bits) */
+
+/* Header split receive */
+#define IXGBE_RFCTL_ISCSI_DIS 0x00000001
+#define IXGBE_RFCTL_ISCSI_DWC_MASK 0x0000003E
+#define IXGBE_RFCTL_ISCSI_DWC_SHIFT 1
+#define IXGBE_RFCTL_NFSW_DIS 0x00000040
+#define IXGBE_RFCTL_NFSR_DIS 0x00000080
+#define IXGBE_RFCTL_NFS_VER_MASK 0x00000300
+#define IXGBE_RFCTL_NFS_VER_SHIFT 8
+#define IXGBE_RFCTL_NFS_VER_2 0
+#define IXGBE_RFCTL_NFS_VER_3 1
+#define IXGBE_RFCTL_NFS_VER_4 2
+#define IXGBE_RFCTL_IPV6_DIS 0x00000400
+#define IXGBE_RFCTL_IPV6_XSUM_DIS 0x00000800
+#define IXGBE_RFCTL_IPFRSP_DIS 0x00004000
+#define IXGBE_RFCTL_IPV6_EX_DIS 0x00010000
+#define IXGBE_RFCTL_NEW_IPV6_EXT_DIS 0x00020000
+
+/* Transmit Config masks */
+#define IXGBE_TXDCTL_ENABLE 0x02000000 /* Enable specific Tx Queue */
+#define IXGBE_TXDCTL_SWFLSH 0x04000000 /* Tx Desc. write-back flushing */
+/* Enable short packet padding to 64 bytes */
+#define IXGBE_TX_PAD_ENABLE 0x00000400
+#define IXGBE_JUMBO_FRAME_ENABLE 0x00000004 /* Allow jumbo frames */
+/* This allows for 16K packets + 4k for vlan */
+#define IXGBE_MAX_FRAME_SZ 0x40040000
+
+#define IXGBE_TDWBAL_HEAD_WB_ENABLE 0x1 /* Tx head write-back enable */
+#define IXGBE_TDWBAL_SEQNUM_WB_ENABLE 0x2 /* Tx seq. # write-back enable */
+
+/* Receive Config masks */
+#define IXGBE_RXCTRL_RXEN 0x00000001 /* Enable Receiver */
+#define IXGBE_RXCTRL_DMBYPS 0x00000002 /* Descriptor Monitor Bypass */
+#define IXGBE_RXDCTL_ENABLE 0x02000000 /* Enable specific Rx Queue */
+
+#define IXGBE_FCTRL_SBP 0x00000002 /* Store Bad Packet */
+#define IXGBE_FCTRL_MPE 0x00000100 /* Multicast Promiscuous Ena*/
+#define IXGBE_FCTRL_UPE 0x00000200 /* Unicast Promiscuous Ena */
+#define IXGBE_FCTRL_BAM 0x00000400 /* Broadcast Accept Mode */
+#define IXGBE_FCTRL_PMCF 0x00001000 /* Pass MAC Control Frames */
+#define IXGBE_FCTRL_DPF 0x00002000 /* Discard Pause Frame */
+/* Receive Priority Flow Control Enbale */
+#define IXGBE_FCTRL_RPFCE 0x00004000
+#define IXGBE_FCTRL_RFCE 0x00008000 /* Receive Flow Control Ena */
+
+/* Multiple Receive Queue Control */
+#define IXGBE_MRQC_RSSEN 0x00000001 /* RSS Enable */
+#define IXGBE_MRQC_RSS_FIELD_MASK 0xFFFF0000
+#define IXGBE_MRQC_RSS_FIELD_IPV4_TCP 0x00010000
+#define IXGBE_MRQC_RSS_FIELD_IPV4 0x00020000
+#define IXGBE_MRQC_RSS_FIELD_IPV6_EX_TCP 0x00040000
+#define IXGBE_MRQC_RSS_FIELD_IPV6_EX 0x00080000
+#define IXGBE_MRQC_RSS_FIELD_IPV6 0x00100000
+#define IXGBE_MRQC_RSS_FIELD_IPV6_TCP 0x00200000
+#define IXGBE_MRQC_RSS_FIELD_IPV4_UDP 0x00400000
+#define IXGBE_MRQC_RSS_FIELD_IPV6_UDP 0x00800000
+#define IXGBE_MRQC_RSS_FIELD_IPV6_EX_UDP 0x01000000
+
+#define IXGBE_TXD_POPTS_IXSM 0x01 /* Insert IP checksum */
+#define IXGBE_TXD_POPTS_TXSM 0x02 /* Insert TCP/UDP checksum */
+#define IXGBE_TXD_CMD_EOP 0x01000000 /* End of Packet */
+#define IXGBE_TXD_CMD_IFCS 0x02000000 /* Insert FCS (Ethernet CRC) */
+#define IXGBE_TXD_CMD_IC 0x04000000 /* Insert Checksum */
+#define IXGBE_TXD_CMD_RS 0x08000000 /* Report Status */
+#define IXGBE_TXD_CMD_DEXT 0x20000000 /* Descriptor extension (0 = legacy) */
+#define IXGBE_TXD_CMD_VLE 0x40000000 /* Add VLAN tag */
+#define IXGBE_TXD_STAT_DD 0x00000001 /* Descriptor Done */
+
+/* Receive Descriptor bit definitions */
+#define IXGBE_RXD_STAT_DD 0x01 /* Descriptor Done */
+#define IXGBE_RXD_STAT_EOP 0x02 /* End of Packet */
+#define IXGBE_RXD_STAT_IXSM 0x04 /* Ignore checksum */
+#define IXGBE_RXD_STAT_VP 0x08 /* IEEE VLAN Packet */
+#define IXGBE_RXD_STAT_UDPCS 0x10 /* UDP xsum caculated */
+#define IXGBE_RXD_STAT_L4CS 0x20 /* L4 xsum calculated */
+#define IXGBE_RXD_STAT_IPCS 0x40 /* IP xsum calculated */
+#define IXGBE_RXD_STAT_PIF 0x80 /* passed in-exact filter */
+#define IXGBE_RXD_STAT_CRCV 0x100 /* Speculative CRC Valid */
+#define IXGBE_RXD_STAT_VEXT 0x200 /* 1st VLAN found */
+#define IXGBE_RXD_STAT_UDPV 0x400 /* Valid UDP checksum */
+#define IXGBE_RXD_STAT_DYNINT 0x800 /* Pkt caused INT via DYNINT */
+#define IXGBE_RXD_STAT_ACK 0x8000 /* ACK Packet indication */
+#define IXGBE_RXD_ERR_CE 0x01 /* CRC Error */
+#define IXGBE_RXD_ERR_LE 0x02 /* Length Error */
+#define IXGBE_RXD_ERR_PE 0x08 /* Packet Error */
+#define IXGBE_RXD_ERR_OSE 0x10 /* Oversize Error */
+#define IXGBE_RXD_ERR_USE 0x20 /* Undersize Error */
+#define IXGBE_RXD_ERR_TCPE 0x40 /* TCP/UDP Checksum Error */
+#define IXGBE_RXD_ERR_IPE 0x80 /* IP Checksum Error */
+#define IXGBE_RXDADV_HBO 0x00800000
+#define IXGBE_RXDADV_ERR_CE 0x01000000 /* CRC Error */
+#define IXGBE_RXDADV_ERR_LE 0x02000000 /* Length Error */
+#define IXGBE_RXDADV_ERR_PE 0x08000000 /* Packet Error */
+#define IXGBE_RXDADV_ERR_OSE 0x10000000 /* Oversize Error */
+#define IXGBE_RXDADV_ERR_USE 0x20000000 /* Undersize Error */
+#define IXGBE_RXDADV_ERR_TCPE 0x40000000 /* TCP/UDP Checksum Error */
+#define IXGBE_RXDADV_ERR_IPE 0x80000000 /* IP Checksum Error */
+#define IXGBE_RXD_VLAN_ID_MASK 0x0FFF /* VLAN ID is in lower 12 bits */
+#define IXGBE_RXD_PRI_MASK 0xE000 /* Priority is in upper 3 bits */
+#define IXGBE_RXD_PRI_SHIFT 13
+#define IXGBE_RXD_CFI_MASK 0x1000 /* CFI is bit 12 */
+#define IXGBE_RXD_CFI_SHIFT 12
+
+/* SRRCTL bit definitions */
+#define IXGBE_SRRCTL_BSIZEPKT_SHIFT 10 /* so many KBs */
+#define IXGBE_SRRCTL_BSIZEPKT_MASK 0x0000007F
+#define IXGBE_SRRCTL_BSIZEHDR_MASK 0x00003F00
+#define IXGBE_SRRCTL_DESCTYPE_LEGACY 0x00000000
+#define IXGBE_SRRCTL_DESCTYPE_ADV_ONEBUF 0x02000000
+#define IXGBE_SRRCTL_DESCTYPE_HDR_SPLIT 0x04000000
+#define IXGBE_SRRCTL_DESCTYPE_HDR_REPLICATION_LARGE_PKT 0x08000000
+#define IXGBE_SRRCTL_DESCTYPE_HDR_SPLIT_ALWAYS 0x0A000000
+
+#define IXGBE_RXDPS_HDRSTAT_HDRSP 0x00008000
+#define IXGBE_RXDPS_HDRSTAT_HDRLEN_MASK 0x000003FF
+
+#define IXGBE_RXDADV_RSSTYPE_MASK 0x0000000F
+#define IXGBE_RXDADV_PKTTYPE_MASK 0x0000FFF0
+#define IXGBE_RXDADV_HDRBUFLEN_MASK 0x00007FE0
+#define IXGBE_RXDADV_HDRBUFLEN_SHIFT 5
+#define IXGBE_RXDADV_SPLITHEADER_EN 0x00001000
+#define IXGBE_RXDADV_SPH 0x8000
+
+/* RSS Hash results */
+#define IXGBE_RXDADV_RSSTYPE_NONE 0x00000000
+#define IXGBE_RXDADV_RSSTYPE_IPV4_TCP 0x00000001
+#define IXGBE_RXDADV_RSSTYPE_IPV4 0x00000002
+#define IXGBE_RXDADV_RSSTYPE_IPV6_TCP 0x00000003
+#define IXGBE_RXDADV_RSSTYPE_IPV6_EX 0x00000004
+#define IXGBE_RXDADV_RSSTYPE_IPV6 0x00000005
+#define IXGBE_RXDADV_RSSTYPE_IPV6_TCP_EX 0x00000006
+#define IXGBE_RXDADV_RSSTYPE_IPV4_UDP 0x00000007
+#define IXGBE_RXDADV_RSSTYPE_IPV6_UDP 0x00000008
+#define IXGBE_RXDADV_RSSTYPE_IPV6_UDP_EX 0x00000009
+
+/* RSS Packet Types as indicated in the receive descriptor. */
+#define IXGBE_RXDADV_PKTTYPE_NONE 0x00000000
+#define IXGBE_RXDADV_PKTTYPE_IPV4 0x00000010 /* IPv4 hdr present */
+#define IXGBE_RXDADV_PKTTYPE_IPV4_EX 0x00000020 /* IPv4 hdr + extensions */
+#define IXGBE_RXDADV_PKTTYPE_IPV6 0x00000040 /* IPv6 hdr present */
+#define IXGBE_RXDADV_PKTTYPE_IPV6_EX 0x00000080 /* IPv6 hdr + extensions */
+#define IXGBE_RXDADV_PKTTYPE_TCP 0x00000100 /* TCP hdr present */
+#define IXGBE_RXDADV_PKTTYPE_UDP 0x00000200 /* UDP hdr present */
+#define IXGBE_RXDADV_PKTTYPE_SCTP 0x00000400 /* SCTP hdr present */
+#define IXGBE_RXDADV_PKTTYPE_NFS 0x00000800 /* NFS hdr present */
+
+/* Masks to determine if packets should be dropped due to frame errors */
+#define IXGBE_RXD_ERR_FRAME_ERR_MASK (\
+ IXGBE_RXD_ERR_CE | \
+ IXGBE_RXD_ERR_LE | \
+ IXGBE_RXD_ERR_PE | \
+ IXGBE_RXD_ERR_OSE | \
+ IXGBE_RXD_ERR_USE)
+
+#define IXGBE_RXDADV_ERR_FRAME_ERR_MASK (\
+ IXGBE_RXDADV_ERR_CE | \
+ IXGBE_RXDADV_ERR_LE | \
+ IXGBE_RXDADV_ERR_PE | \
+ IXGBE_RXDADV_ERR_OSE | \
+ IXGBE_RXDADV_ERR_USE)
+
+/* Multicast bit mask */
+#define IXGBE_MCSTCTRL_MFE 0x4
+
+/* Number of Transmit and Receive Descriptors must be a multiple of 8 */
+#define IXGBE_REQ_TX_DESCRIPTOR_MULTIPLE 8
+#define IXGBE_REQ_RX_DESCRIPTOR_MULTIPLE 8
+#define IXGBE_REQ_TX_BUFFER_GRANULARITY 1024
+
+/* Vlan-specific macros */
+#define IXGBE_RX_DESC_SPECIAL_VLAN_MASK 0x0FFF /* VLAN ID in lower 12 bits */
+#define IXGBE_RX_DESC_SPECIAL_PRI_MASK 0xE000 /* Priority in upper 3 bits */
+#define IXGBE_RX_DESC_SPECIAL_PRI_SHIFT 0x000D /* Priority in upper 3 of 16 */
+#define IXGBE_TX_DESC_SPECIAL_PRI_SHIFT IXGBE_RX_DESC_SPECIAL_PRI_SHIFT
+
+/* Transmit Descriptor - Legacy */
+struct ixgbe_legacy_tx_desc {
+ u64 buffer_addr; /* Address of the descriptor's data buffer */
+ union {
+ u32 data;
+ struct {
+ u16 length; /* Data buffer length */
+ u8 cso; /* Checksum offset */
+ u8 cmd; /* Descriptor control */
+ } flags;
+ } lower;
+ union {
+ u32 data;
+ struct {
+ u8 status; /* Descriptor status */
+ u8 css; /* Checksum start */
+ u16 vlan;
+ } fields;
+ } upper;
+};
+
+/* Transmit Descriptor - Advanced */
+union ixgbe_adv_tx_desc {
+ struct {
+ u64 buffer_addr; /* Address of descriptor's data buf */
+ u32 cmd_type_len;
+ u32 olinfo_status;
+ } read;
+ struct {
+ u64 rsvd; /* Reserved */
+ u32 nxtseq_seed;
+ u32 status;
+ } wb;
+};
+
+/* Receive Descriptor - Legacy */
+struct ixgbe_legacy_rx_desc {
+ u64 buffer_addr; /* Address of the descriptor's data buffer */
+ u16 length; /* Length of data DMAed into data buffer */
+ u16 csum; /* Packet checksum */
+ u8 status; /* Descriptor status */
+ u8 errors; /* Descriptor Errors */
+ u16 vlan;
+};
+
+/* Receive Descriptor - Advanced */
+union ixgbe_adv_rx_desc {
+ struct {
+ u64 pkt_addr; /* Packet buffer address */
+ u64 hdr_addr; /* Header buffer address */
+ } read;
+ struct {
+ struct {
+ struct {
+ u16 pkt_info; /* RSS type, Packet type */
+ u16 hdr_info; /* Split Header, header len */
+ } lo_dword;
+ union {
+ u32 rss; /* RSS Hash */
+ struct {
+ u16 ip_id; /* IP id */
+ u16 csum; /* Packet Checksum */
+ } csum_ip;
+ } hi_dword;
+ } lower;
+ struct {
+ u32 status_error; /* ext status/error */
+ u16 length; /* Packet length */
+ u16 vlan; /* VLAN tag */
+ } upper;
+ } wb; /* writeback */
+};
+
+/* Context descriptors */
+struct ixgbe_adv_tx_context_desc {
+ u32 vlan_macip_lens;
+ u32 seqnum_seed;
+ u32 type_tucmd_mlhl;
+ u32 mss_l4len_idx;
+};
+
+/* Adv Transmit Descriptor Config Masks */
+#define IXGBE_ADVTXD_DTALEN_MASK 0x0000FFFF /* Data buffer length(bytes) */
+#define IXGBE_ADVTXD_DTYP_MASK 0x00F00000 /* DTYP mask */
+#define IXGBE_ADVTXD_DTYP_CTXT 0x00200000 /* Advanced Context Desc */
+#define IXGBE_ADVTXD_DTYP_DATA 0x00300000 /* Advanced Data Descriptor */
+#define IXGBE_ADVTXD_DCMD_EOP IXGBE_TXD_CMD_EOP /* End of Packet */
+#define IXGBE_ADVTXD_DCMD_IFCS IXGBE_TXD_CMD_IFCS /* Insert FCS */
+#define IXGBE_ADVTXD_DCMD_RDMA 0x04000000 /* RDMA */
+#define IXGBE_ADVTXD_DCMD_RS IXGBE_TXD_CMD_RS /* Report Status */
+#define IXGBE_ADVTXD_DCMD_DDTYP_ISCSI 0x10000000 /* DDP hdr type or iSCSI */
+#define IXGBE_ADVTXD_DCMD_DEXT IXGBE_TXD_CMD_DEXT /* Desc ext (1=Adv) */
+#define IXGBE_ADVTXD_DCMD_VLE IXGBE_TXD_CMD_VLE /* VLAN pkt enable */
+#define IXGBE_ADVTXD_DCMD_TSE 0x80000000 /* TCP Seg enable */
+#define IXGBE_ADVTXD_STAT_DD IXGBE_TXD_STAT_DD /* Descriptor Done */
+#define IXGBE_ADVTXD_STAT_SN_CRC 0x00000002 /* NXTSEQ/SEED present in WB */
+#define IXGBE_ADVTXD_STAT_RSV 0x0000000C /* STA Reserved */
+#define IXGBE_ADVTXD_IDX_SHIFT 4 /* Adv desc Index shift */
+#define IXGBE_ADVTXD_POPTS_SHIFT 8 /* Adv desc POPTS shift */
+#define IXGBE_ADVTXD_POPTS_IXSM (IXGBE_TXD_POPTS_IXSM << \
+ IXGBE_ADVTXD_POPTS_SHIFT)
+#define IXGBE_ADVTXD_POPTS_TXSM (IXGBE_TXD_POPTS_TXSM << \
+ IXGBE_ADVTXD_POPTS_SHIFT)
+#define IXGBE_ADVTXD_POPTS_EOM 0x00000400 /* Enable L bit-RDMA DDP hdr */
+#define IXGBE_ADVTXD_POPTS_ISCO_1ST 0x00000000 /* 1st TSO of iSCSI PDU */
+#define IXGBE_ADVTXD_POPTS_ISCO_MDL 0x00000800 /* Middle TSO of iSCSI PDU */
+#define IXGBE_ADVTXD_POPTS_ISCO_LAST 0x00001000 /* Last TSO of iSCSI PDU */
+#define IXGBE_ADVTXD_POPTS_ISCO_FULL 0x00001800 /* 1st&Last TSO-full iSCSI PDU*/
+#define IXGBE_ADVTXD_POPTS_RSV 0x00002000 /* POPTS Reserved */
+#define IXGBE_ADVTXD_PAYLEN_SHIFT 14 /* Adv desc PAYLEN shift */
+#define IXGBE_ADVTXD_MACLEN_SHIFT 9 /* Adv ctxt desc mac len shift */
+#define IXGBE_ADVTXD_VLAN_SHIFT 16 /* Adv ctxt vlan tag shift */
+#define IXGBE_ADVTXD_TUCMD_IPV4 0x00000400 /* IP Packet Type: 1=IPv4 */
+#define IXGBE_ADVTXD_TUCMD_IPV6 0x00000000 /* IP Packet Type: 0=IPv6 */
+#define IXGBE_ADVTXD_TUCMD_L4T_UDP 0x00000000 /* L4 Packet TYPE of UDP */
+#define IXGBE_ADVTXD_TUCMD_L4T_TCP 0x00000800 /* L4 Packet TYPE of TCP */
+#define IXGBE_ADVTXD_TUCMD_MKRREQ 0x00002000 /* Req requires Markers and CRC */
+#define IXGBE_ADVTXD_L4LEN_SHIFT 8 /* Adv ctxt L4LEN shift */
+#define IXGBE_ADVTXD_MSS_SHIFT 16 /* Adv ctxt MSS shift */
+
+/* Link speed */
+#define IXGBE_LINK_SPEED_UNKNOWN 0
+#define IXGBE_LINK_SPEED_100_FULL 0x0008
+#define IXGBE_LINK_SPEED_1GB_FULL 0x0020
+#define IXGBE_LINK_SPEED_10GB_FULL 0x0080
+
+
+enum ixgbe_eeprom_type {
+ ixgbe_eeprom_uninitialized = 0,
+ ixgbe_eeprom_spi,
+ ixgbe_eeprom_none /* No NVM support */
+};
+
+enum ixgbe_mac_type {
+ ixgbe_mac_unknown = 0,
+ ixgbe_mac_82598EB,
+ ixgbe_num_macs
+};
+
+enum ixgbe_phy_type {
+ ixgbe_phy_unknown = 0,
+ ixgbe_phy_tn,
+ ixgbe_phy_qt,
+ ixgbe_phy_xaui
+};
+
+enum ixgbe_media_type {
+ ixgbe_media_type_unknown = 0,
+ ixgbe_media_type_fiber,
+ ixgbe_media_type_copper,
+ ixgbe_media_type_backplane
+};
+
+/* Flow Control Settings */
+enum ixgbe_fc_type {
+ ixgbe_fc_none = 0,
+ ixgbe_fc_rx_pause,
+ ixgbe_fc_tx_pause,
+ ixgbe_fc_full,
+ ixgbe_fc_default
+};
+
+struct ixgbe_addr_filter_info {
+ u32 num_mc_addrs;
+ u32 rar_used_count;
+ u32 mc_addr_in_rar_count;
+ u32 mta_in_use;
+};
+
+/* Flow control parameters */
+struct ixgbe_fc_info {
+ u32 high_water; /* Flow Control High-water */
+ u32 low_water; /* Flow Control Low-water */
+ u16 pause_time; /* Flow Control Pause timer */
+ bool send_xon; /* Flow control send XON */
+ bool strict_ieee; /* Strict IEEE mode */
+ enum ixgbe_fc_type type; /* Type of flow control */
+ enum ixgbe_fc_type original_type;
+};
+
+/* Statistics counters collected by the MAC */
+struct ixgbe_hw_stats {
+ u64 crcerrs;
+ u64 illerrc;
+ u64 errbc;
+ u64 mspdc;
+ u64 mpctotal;
+ u64 mpc[8];
+ u64 mlfc;
+ u64 mrfc;
+ u64 rlec;
+ u64 lxontxc;
+ u64 lxonrxc;
+ u64 lxofftxc;
+ u64 lxoffrxc;
+ u64 pxontxc[8];
+ u64 pxonrxc[8];
+ u64 pxofftxc[8];
+ u64 pxoffrxc[8];
+ u64 prc64;
+ u64 prc127;
+ u64 prc255;
+ u64 prc511;
+ u64 prc1023;
+ u64 prc1522;
+ u64 gprc;
+ u64 bprc;
+ u64 mprc;
+ u64 gptc;
+ u64 gorc;
+ u64 gotc;
+ u64 rnbc[8];
+ u64 ruc;
+ u64 rfc;
+ u64 roc;
+ u64 rjc;
+ u64 mngprc;
+ u64 mngpdc;
+ u64 mngptc;
+ u64 tor;
+ u64 tpr;
+ u64 tpt;
+ u64 ptc64;
+ u64 ptc127;
+ u64 ptc255;
+ u64 ptc511;
+ u64 ptc1023;
+ u64 ptc1522;
+ u64 mptc;
+ u64 bptc;
+ u64 xec;
+ u64 rqsmr[16];
+ u64 tqsmr[8];
+ u64 qprc[16];
+ u64 qptc[16];
+ u64 qbrc[16];
+ u64 qbtc[16];
+};
+
+/* forward declaration */
+struct ixgbe_hw;
+
+struct ixgbe_mac_operations {
+ s32 (*reset)(struct ixgbe_hw *);
+ enum ixgbe_media_type (*get_media_type)(struct ixgbe_hw *);
+};
+
+struct ixgbe_phy_operations {
+ s32 (*setup)(struct ixgbe_hw *);
+ s32 (*check)(struct ixgbe_hw *, u32 *, bool *);
+ s32 (*setup_speed)(struct ixgbe_hw *, u32, bool, bool);
+ s32 (*get_settings)(struct ixgbe_hw *, u32 *, bool *);
+};
+
+struct ixgbe_mac_info {
+ struct ixgbe_mac_operations ops;
+ enum ixgbe_mac_type type;
+ u8 addr[IXGBE_ETH_LENGTH_OF_ADDRESS];
+ u8 perm_addr[IXGBE_ETH_LENGTH_OF_ADDRESS];
+ s32 mc_filter_type;
+ u32 num_rx_queues;
+ u32 num_tx_queues;
+ u32 num_rx_addrs;
+ u32 link_attach_type;
+ u32 link_mode_select;
+ bool link_settings_loaded;
+};
+
+
+struct ixgbe_eeprom_info {
+ enum ixgbe_eeprom_type type;
+ u16 word_size;
+ u16 address_bits;
+};
+
+struct ixgbe_phy_info {
+ struct ixgbe_phy_operations ops;
+
+ enum ixgbe_phy_type type;
+ u32 addr;
+ u32 id;
+ u32 revision;
+ enum ixgbe_media_type media_type;
+ u32 autoneg_advertised;
+ bool autoneg_wait_to_complete;
+};
+
+struct ixgbe_info {
+ enum ixgbe_mac_type mac;
+ s32 (*get_invariants)(struct ixgbe_hw *);
+ struct ixgbe_mac_operations *mac_ops;
+ struct ixgbe_phy_operations *phy_ops;
+};
+
+struct ixgbe_hw {
+ u8 __iomem *hw_addr;
+ void *back;
+ struct ixgbe_mac_info mac;
+ struct ixgbe_addr_filter_info addr_ctrl;
+ struct ixgbe_fc_info fc;
+ struct ixgbe_phy_info phy;
+ struct ixgbe_eeprom_info eeprom;
+ u16 device_id;
+ u16 vendor_id;
+ u16 subsystem_device_id;
+ u16 subsystem_vendor_id;
+ u8 revision_id;
+ bool adapter_stopped;
+};
+
+/* Error Codes */
+#define IXGBE_ERR_EEPROM -1
+#define IXGBE_ERR_EEPROM_CHECKSUM -2
+#define IXGBE_ERR_PHY -3
+#define IXGBE_ERR_CONFIG -4
+#define IXGBE_ERR_PARAM -5
+#define IXGBE_ERR_MAC_TYPE -6
+#define IXGBE_ERR_UNKNOWN_PHY -7
+#define IXGBE_ERR_LINK_SETUP -8
+#define IXGBE_ERR_ADAPTER_STOPPED -9
+#define IXGBE_ERR_INVALID_MAC_ADDR -10
+#define IXGBE_ERR_DEVICE_NOT_SUPPORTED -11
+#define IXGBE_ERR_MASTER_REQUESTS_PENDING -12
+#define IXGBE_ERR_INVALID_LINK_SETTINGS -13
+#define IXGBE_ERR_AUTONEG_NOT_COMPLETE -14
+#define IXGBE_ERR_RESET_FAILED -15
+#define IXGBE_ERR_SWFW_SYNC -16
+#define IXGBE_ERR_PHY_ADDR_INVALID -17
+#define IXGBE_NOT_IMPLEMENTED 0x7FFFFFFF
+
+#endif /* _IXGBE_TYPE_H_ */
projects / GitHub / LineageOS / android_kernel_samsung_universal7580.git / commitdiff