This patch further creates two additional copies of asix.c.
In another patch these copies will be used to factor out
common code.
Signed-off-by: Christian Riesch <christian.riesch@omicron.at>
Signed-off-by: David S. Miller <davem@davemloft.net>
obj-$(CONFIG_USB_RTL8150) += rtl8150.o
obj-$(CONFIG_USB_HSO) += hso.o
obj-$(CONFIG_USB_NET_AX8817X) += asix.o
+asix-y := asix_devices.o
obj-$(CONFIG_USB_NET_CDCETHER) += cdc_ether.o
obj-$(CONFIG_USB_NET_CDC_EEM) += cdc_eem.o
obj-$(CONFIG_USB_NET_DM9601) += dm9601.o
+++ /dev/null
-/*
- * ASIX AX8817X based USB 2.0 Ethernet Devices
- * Copyright (C) 2003-2006 David Hollis <dhollis@davehollis.com>
- * Copyright (C) 2005 Phil Chang <pchang23@sbcglobal.net>
- * Copyright (C) 2006 James Painter <jamie.painter@iname.com>
- * Copyright (c) 2002-2003 TiVo Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-// #define DEBUG // error path messages, extra info
-// #define VERBOSE // more; success messages
-
-#include <linux/module.h>
-#include <linux/kmod.h>
-#include <linux/init.h>
-#include <linux/netdevice.h>
-#include <linux/etherdevice.h>
-#include <linux/ethtool.h>
-#include <linux/workqueue.h>
-#include <linux/mii.h>
-#include <linux/usb.h>
-#include <linux/crc32.h>
-#include <linux/usb/usbnet.h>
-#include <linux/slab.h>
-#include <linux/if_vlan.h>
-
-#define DRIVER_VERSION "22-Dec-2011"
-#define DRIVER_NAME "asix"
-
-/* ASIX AX8817X based USB 2.0 Ethernet Devices */
-
-#define AX_CMD_SET_SW_MII 0x06
-#define AX_CMD_READ_MII_REG 0x07
-#define AX_CMD_WRITE_MII_REG 0x08
-#define AX_CMD_SET_HW_MII 0x0a
-#define AX_CMD_READ_EEPROM 0x0b
-#define AX_CMD_WRITE_EEPROM 0x0c
-#define AX_CMD_WRITE_ENABLE 0x0d
-#define AX_CMD_WRITE_DISABLE 0x0e
-#define AX_CMD_READ_RX_CTL 0x0f
-#define AX_CMD_WRITE_RX_CTL 0x10
-#define AX_CMD_READ_IPG012 0x11
-#define AX_CMD_WRITE_IPG0 0x12
-#define AX_CMD_WRITE_IPG1 0x13
-#define AX_CMD_READ_NODE_ID 0x13
-#define AX_CMD_WRITE_NODE_ID 0x14
-#define AX_CMD_WRITE_IPG2 0x14
-#define AX_CMD_WRITE_MULTI_FILTER 0x16
-#define AX88172_CMD_READ_NODE_ID 0x17
-#define AX_CMD_READ_PHY_ID 0x19
-#define AX_CMD_READ_MEDIUM_STATUS 0x1a
-#define AX_CMD_WRITE_MEDIUM_MODE 0x1b
-#define AX_CMD_READ_MONITOR_MODE 0x1c
-#define AX_CMD_WRITE_MONITOR_MODE 0x1d
-#define AX_CMD_READ_GPIOS 0x1e
-#define AX_CMD_WRITE_GPIOS 0x1f
-#define AX_CMD_SW_RESET 0x20
-#define AX_CMD_SW_PHY_STATUS 0x21
-#define AX_CMD_SW_PHY_SELECT 0x22
-
-#define AX_MONITOR_MODE 0x01
-#define AX_MONITOR_LINK 0x02
-#define AX_MONITOR_MAGIC 0x04
-#define AX_MONITOR_HSFS 0x10
-
-/* AX88172 Medium Status Register values */
-#define AX88172_MEDIUM_FD 0x02
-#define AX88172_MEDIUM_TX 0x04
-#define AX88172_MEDIUM_FC 0x10
-#define AX88172_MEDIUM_DEFAULT \
- ( AX88172_MEDIUM_FD | AX88172_MEDIUM_TX | AX88172_MEDIUM_FC )
-
-#define AX_MCAST_FILTER_SIZE 8
-#define AX_MAX_MCAST 64
-
-#define AX_SWRESET_CLEAR 0x00
-#define AX_SWRESET_RR 0x01
-#define AX_SWRESET_RT 0x02
-#define AX_SWRESET_PRTE 0x04
-#define AX_SWRESET_PRL 0x08
-#define AX_SWRESET_BZ 0x10
-#define AX_SWRESET_IPRL 0x20
-#define AX_SWRESET_IPPD 0x40
-
-#define AX88772_IPG0_DEFAULT 0x15
-#define AX88772_IPG1_DEFAULT 0x0c
-#define AX88772_IPG2_DEFAULT 0x12
-
-/* AX88772 & AX88178 Medium Mode Register */
-#define AX_MEDIUM_PF 0x0080
-#define AX_MEDIUM_JFE 0x0040
-#define AX_MEDIUM_TFC 0x0020
-#define AX_MEDIUM_RFC 0x0010
-#define AX_MEDIUM_ENCK 0x0008
-#define AX_MEDIUM_AC 0x0004
-#define AX_MEDIUM_FD 0x0002
-#define AX_MEDIUM_GM 0x0001
-#define AX_MEDIUM_SM 0x1000
-#define AX_MEDIUM_SBP 0x0800
-#define AX_MEDIUM_PS 0x0200
-#define AX_MEDIUM_RE 0x0100
-
-#define AX88178_MEDIUM_DEFAULT \
- (AX_MEDIUM_PS | AX_MEDIUM_FD | AX_MEDIUM_AC | \
- AX_MEDIUM_RFC | AX_MEDIUM_TFC | AX_MEDIUM_JFE | \
- AX_MEDIUM_RE)
-
-#define AX88772_MEDIUM_DEFAULT \
- (AX_MEDIUM_FD | AX_MEDIUM_RFC | \
- AX_MEDIUM_TFC | AX_MEDIUM_PS | \
- AX_MEDIUM_AC | AX_MEDIUM_RE)
-
-/* AX88772 & AX88178 RX_CTL values */
-#define AX_RX_CTL_SO 0x0080
-#define AX_RX_CTL_AP 0x0020
-#define AX_RX_CTL_AM 0x0010
-#define AX_RX_CTL_AB 0x0008
-#define AX_RX_CTL_SEP 0x0004
-#define AX_RX_CTL_AMALL 0x0002
-#define AX_RX_CTL_PRO 0x0001
-#define AX_RX_CTL_MFB_2048 0x0000
-#define AX_RX_CTL_MFB_4096 0x0100
-#define AX_RX_CTL_MFB_8192 0x0200
-#define AX_RX_CTL_MFB_16384 0x0300
-
-#define AX_DEFAULT_RX_CTL (AX_RX_CTL_SO | AX_RX_CTL_AB)
-
-/* GPIO 0 .. 2 toggles */
-#define AX_GPIO_GPO0EN 0x01 /* GPIO0 Output enable */
-#define AX_GPIO_GPO_0 0x02 /* GPIO0 Output value */
-#define AX_GPIO_GPO1EN 0x04 /* GPIO1 Output enable */
-#define AX_GPIO_GPO_1 0x08 /* GPIO1 Output value */
-#define AX_GPIO_GPO2EN 0x10 /* GPIO2 Output enable */
-#define AX_GPIO_GPO_2 0x20 /* GPIO2 Output value */
-#define AX_GPIO_RESERVED 0x40 /* Reserved */
-#define AX_GPIO_RSE 0x80 /* Reload serial EEPROM */
-
-#define AX_EEPROM_MAGIC 0xdeadbeef
-#define AX88172_EEPROM_LEN 0x40
-#define AX88772_EEPROM_LEN 0xff
-
-#define PHY_MODE_MARVELL 0x0000
-#define MII_MARVELL_LED_CTRL 0x0018
-#define MII_MARVELL_STATUS 0x001b
-#define MII_MARVELL_CTRL 0x0014
-
-#define MARVELL_LED_MANUAL 0x0019
-
-#define MARVELL_STATUS_HWCFG 0x0004
-
-#define MARVELL_CTRL_TXDELAY 0x0002
-#define MARVELL_CTRL_RXDELAY 0x0080
-
-#define PHY_MODE_RTL8211CL 0x000C
-
-/* This structure cannot exceed sizeof(unsigned long [5]) AKA 20 bytes */
-struct asix_data {
- u8 multi_filter[AX_MCAST_FILTER_SIZE];
- u8 mac_addr[ETH_ALEN];
- u8 phymode;
- u8 ledmode;
- u8 eeprom_len;
-};
-
-struct ax88172_int_data {
- __le16 res1;
- u8 link;
- __le16 res2;
- u8 status;
- __le16 res3;
-} __packed;
-
-static int asix_read_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
- u16 size, void *data)
-{
- void *buf;
- int err = -ENOMEM;
-
- netdev_dbg(dev->net, "asix_read_cmd() cmd=0x%02x value=0x%04x index=0x%04x size=%d\n",
- cmd, value, index, size);
-
- buf = kmalloc(size, GFP_KERNEL);
- if (!buf)
- goto out;
-
- err = usb_control_msg(
- dev->udev,
- usb_rcvctrlpipe(dev->udev, 0),
- cmd,
- USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
- value,
- index,
- buf,
- size,
- USB_CTRL_GET_TIMEOUT);
- if (err == size)
- memcpy(data, buf, size);
- else if (err >= 0)
- err = -EINVAL;
- kfree(buf);
-
-out:
- return err;
-}
-
-static int asix_write_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
- u16 size, void *data)
-{
- void *buf = NULL;
- int err = -ENOMEM;
-
- netdev_dbg(dev->net, "asix_write_cmd() cmd=0x%02x value=0x%04x index=0x%04x size=%d\n",
- cmd, value, index, size);
-
- if (data) {
- buf = kmemdup(data, size, GFP_KERNEL);
- if (!buf)
- goto out;
- }
-
- err = usb_control_msg(
- dev->udev,
- usb_sndctrlpipe(dev->udev, 0),
- cmd,
- USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
- value,
- index,
- buf,
- size,
- USB_CTRL_SET_TIMEOUT);
- kfree(buf);
-
-out:
- return err;
-}
-
-static void asix_async_cmd_callback(struct urb *urb)
-{
- struct usb_ctrlrequest *req = (struct usb_ctrlrequest *)urb->context;
- int status = urb->status;
-
- if (status < 0)
- printk(KERN_DEBUG "asix_async_cmd_callback() failed with %d",
- status);
-
- kfree(req);
- usb_free_urb(urb);
-}
-
-static void
-asix_write_cmd_async(struct usbnet *dev, u8 cmd, u16 value, u16 index,
- u16 size, void *data)
-{
- struct usb_ctrlrequest *req;
- int status;
- struct urb *urb;
-
- netdev_dbg(dev->net, "asix_write_cmd_async() cmd=0x%02x value=0x%04x index=0x%04x size=%d\n",
- cmd, value, index, size);
-
- urb = usb_alloc_urb(0, GFP_ATOMIC);
- if (!urb) {
- netdev_err(dev->net, "Error allocating URB in write_cmd_async!\n");
- return;
- }
-
- req = kmalloc(sizeof(struct usb_ctrlrequest), GFP_ATOMIC);
- if (!req) {
- netdev_err(dev->net, "Failed to allocate memory for control request\n");
- usb_free_urb(urb);
- return;
- }
-
- req->bRequestType = USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE;
- req->bRequest = cmd;
- req->wValue = cpu_to_le16(value);
- req->wIndex = cpu_to_le16(index);
- req->wLength = cpu_to_le16(size);
-
- usb_fill_control_urb(urb, dev->udev,
- usb_sndctrlpipe(dev->udev, 0),
- (void *)req, data, size,
- asix_async_cmd_callback, req);
-
- status = usb_submit_urb(urb, GFP_ATOMIC);
- if (status < 0) {
- netdev_err(dev->net, "Error submitting the control message: status=%d\n",
- status);
- kfree(req);
- usb_free_urb(urb);
- }
-}
-
-static int asix_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
-{
- int offset = 0;
-
- while (offset + sizeof(u32) < skb->len) {
- struct sk_buff *ax_skb;
- u16 size;
- u32 header = get_unaligned_le32(skb->data + offset);
-
- offset += sizeof(u32);
-
- /* get the packet length */
- size = (u16) (header & 0x7ff);
- if (size != ((~header >> 16) & 0x07ff)) {
- netdev_err(dev->net, "asix_rx_fixup() Bad Header Length\n");
- return 0;
- }
-
- if ((size > dev->net->mtu + ETH_HLEN + VLAN_HLEN) ||
- (size + offset > skb->len)) {
- netdev_err(dev->net, "asix_rx_fixup() Bad RX Length %d\n",
- size);
- return 0;
- }
- ax_skb = netdev_alloc_skb_ip_align(dev->net, size);
- if (!ax_skb)
- return 0;
-
- skb_put(ax_skb, size);
- memcpy(ax_skb->data, skb->data + offset, size);
- usbnet_skb_return(dev, ax_skb);
-
- offset += (size + 1) & 0xfffe;
- }
-
- if (skb->len != offset) {
- netdev_err(dev->net, "asix_rx_fixup() Bad SKB Length %d\n",
- skb->len);
- return 0;
- }
- return 1;
-}
-
-static struct sk_buff *asix_tx_fixup(struct usbnet *dev, struct sk_buff *skb,
- gfp_t flags)
-{
- int padlen;
- int headroom = skb_headroom(skb);
- int tailroom = skb_tailroom(skb);
- u32 packet_len;
- u32 padbytes = 0xffff0000;
-
- padlen = ((skb->len + 4) & (dev->maxpacket - 1)) ? 0 : 4;
-
- /* We need to push 4 bytes in front of frame (packet_len)
- * and maybe add 4 bytes after the end (if padlen is 4)
- *
- * Avoid skb_copy_expand() expensive call, using following rules :
- * - We are allowed to push 4 bytes in headroom if skb_header_cloned()
- * is false (and if we have 4 bytes of headroom)
- * - We are allowed to put 4 bytes at tail if skb_cloned()
- * is false (and if we have 4 bytes of tailroom)
- *
- * TCP packets for example are cloned, but skb_header_release()
- * was called in tcp stack, allowing us to use headroom for our needs.
- */
- if (!skb_header_cloned(skb) &&
- !(padlen && skb_cloned(skb)) &&
- headroom + tailroom >= 4 + padlen) {
- /* following should not happen, but better be safe */
- if (headroom < 4 ||
- tailroom < padlen) {
- skb->data = memmove(skb->head + 4, skb->data, skb->len);
- skb_set_tail_pointer(skb, skb->len);
- }
- } else {
- struct sk_buff *skb2;
-
- skb2 = skb_copy_expand(skb, 4, padlen, flags);
- dev_kfree_skb_any(skb);
- skb = skb2;
- if (!skb)
- return NULL;
- }
-
- packet_len = ((skb->len ^ 0x0000ffff) << 16) + skb->len;
- skb_push(skb, 4);
- cpu_to_le32s(&packet_len);
- skb_copy_to_linear_data(skb, &packet_len, sizeof(packet_len));
-
- if (padlen) {
- cpu_to_le32s(&padbytes);
- memcpy(skb_tail_pointer(skb), &padbytes, sizeof(padbytes));
- skb_put(skb, sizeof(padbytes));
- }
- return skb;
-}
-
-static void asix_status(struct usbnet *dev, struct urb *urb)
-{
- struct ax88172_int_data *event;
- int link;
-
- if (urb->actual_length < 8)
- return;
-
- event = urb->transfer_buffer;
- link = event->link & 0x01;
- if (netif_carrier_ok(dev->net) != link) {
- if (link) {
- netif_carrier_on(dev->net);
- usbnet_defer_kevent (dev, EVENT_LINK_RESET );
- } else
- netif_carrier_off(dev->net);
- netdev_dbg(dev->net, "Link Status is: %d\n", link);
- }
-}
-
-static inline int asix_set_sw_mii(struct usbnet *dev)
-{
- int ret;
- ret = asix_write_cmd(dev, AX_CMD_SET_SW_MII, 0x0000, 0, 0, NULL);
- if (ret < 0)
- netdev_err(dev->net, "Failed to enable software MII access\n");
- return ret;
-}
-
-static inline int asix_set_hw_mii(struct usbnet *dev)
-{
- int ret;
- ret = asix_write_cmd(dev, AX_CMD_SET_HW_MII, 0x0000, 0, 0, NULL);
- if (ret < 0)
- netdev_err(dev->net, "Failed to enable hardware MII access\n");
- return ret;
-}
-
-static inline int asix_get_phy_addr(struct usbnet *dev)
-{
- u8 buf[2];
- int ret = asix_read_cmd(dev, AX_CMD_READ_PHY_ID, 0, 0, 2, buf);
-
- netdev_dbg(dev->net, "asix_get_phy_addr()\n");
-
- if (ret < 0) {
- netdev_err(dev->net, "Error reading PHYID register: %02x\n", ret);
- goto out;
- }
- netdev_dbg(dev->net, "asix_get_phy_addr() returning 0x%04x\n",
- *((__le16 *)buf));
- ret = buf[1];
-
-out:
- return ret;
-}
-
-static int asix_sw_reset(struct usbnet *dev, u8 flags)
-{
- int ret;
-
- ret = asix_write_cmd(dev, AX_CMD_SW_RESET, flags, 0, 0, NULL);
- if (ret < 0)
- netdev_err(dev->net, "Failed to send software reset: %02x\n", ret);
-
- return ret;
-}
-
-static u16 asix_read_rx_ctl(struct usbnet *dev)
-{
- __le16 v;
- int ret = asix_read_cmd(dev, AX_CMD_READ_RX_CTL, 0, 0, 2, &v);
-
- if (ret < 0) {
- netdev_err(dev->net, "Error reading RX_CTL register: %02x\n", ret);
- goto out;
- }
- ret = le16_to_cpu(v);
-out:
- return ret;
-}
-
-static int asix_write_rx_ctl(struct usbnet *dev, u16 mode)
-{
- int ret;
-
- netdev_dbg(dev->net, "asix_write_rx_ctl() - mode = 0x%04x\n", mode);
- ret = asix_write_cmd(dev, AX_CMD_WRITE_RX_CTL, mode, 0, 0, NULL);
- if (ret < 0)
- netdev_err(dev->net, "Failed to write RX_CTL mode to 0x%04x: %02x\n",
- mode, ret);
-
- return ret;
-}
-
-static u16 asix_read_medium_status(struct usbnet *dev)
-{
- __le16 v;
- int ret = asix_read_cmd(dev, AX_CMD_READ_MEDIUM_STATUS, 0, 0, 2, &v);
-
- if (ret < 0) {
- netdev_err(dev->net, "Error reading Medium Status register: %02x\n",
- ret);
- return ret; /* TODO: callers not checking for error ret */
- }
-
- return le16_to_cpu(v);
-
-}
-
-static int asix_write_medium_mode(struct usbnet *dev, u16 mode)
-{
- int ret;
-
- netdev_dbg(dev->net, "asix_write_medium_mode() - mode = 0x%04x\n", mode);
- ret = asix_write_cmd(dev, AX_CMD_WRITE_MEDIUM_MODE, mode, 0, 0, NULL);
- if (ret < 0)
- netdev_err(dev->net, "Failed to write Medium Mode mode to 0x%04x: %02x\n",
- mode, ret);
-
- return ret;
-}
-
-static int asix_write_gpio(struct usbnet *dev, u16 value, int sleep)
-{
- int ret;
-
- netdev_dbg(dev->net, "asix_write_gpio() - value = 0x%04x\n", value);
- ret = asix_write_cmd(dev, AX_CMD_WRITE_GPIOS, value, 0, 0, NULL);
- if (ret < 0)
- netdev_err(dev->net, "Failed to write GPIO value 0x%04x: %02x\n",
- value, ret);
-
- if (sleep)
- msleep(sleep);
-
- return ret;
-}
-
-/*
- * AX88772 & AX88178 have a 16-bit RX_CTL value
- */
-static void asix_set_multicast(struct net_device *net)
-{
- struct usbnet *dev = netdev_priv(net);
- struct asix_data *data = (struct asix_data *)&dev->data;
- u16 rx_ctl = AX_DEFAULT_RX_CTL;
-
- if (net->flags & IFF_PROMISC) {
- rx_ctl |= AX_RX_CTL_PRO;
- } else if (net->flags & IFF_ALLMULTI ||
- netdev_mc_count(net) > AX_MAX_MCAST) {
- rx_ctl |= AX_RX_CTL_AMALL;
- } else if (netdev_mc_empty(net)) {
- /* just broadcast and directed */
- } else {
- /* We use the 20 byte dev->data
- * for our 8 byte filter buffer
- * to avoid allocating memory that
- * is tricky to free later */
- struct netdev_hw_addr *ha;
- u32 crc_bits;
-
- memset(data->multi_filter, 0, AX_MCAST_FILTER_SIZE);
-
- /* Build the multicast hash filter. */
- netdev_for_each_mc_addr(ha, net) {
- crc_bits = ether_crc(ETH_ALEN, ha->addr) >> 26;
- data->multi_filter[crc_bits >> 3] |=
- 1 << (crc_bits & 7);
- }
-
- asix_write_cmd_async(dev, AX_CMD_WRITE_MULTI_FILTER, 0, 0,
- AX_MCAST_FILTER_SIZE, data->multi_filter);
-
- rx_ctl |= AX_RX_CTL_AM;
- }
-
- asix_write_cmd_async(dev, AX_CMD_WRITE_RX_CTL, rx_ctl, 0, 0, NULL);
-}
-
-static int asix_mdio_read(struct net_device *netdev, int phy_id, int loc)
-{
- struct usbnet *dev = netdev_priv(netdev);
- __le16 res;
-
- mutex_lock(&dev->phy_mutex);
- asix_set_sw_mii(dev);
- asix_read_cmd(dev, AX_CMD_READ_MII_REG, phy_id,
- (__u16)loc, 2, &res);
- asix_set_hw_mii(dev);
- mutex_unlock(&dev->phy_mutex);
-
- netdev_dbg(dev->net, "asix_mdio_read() phy_id=0x%02x, loc=0x%02x, returns=0x%04x\n",
- phy_id, loc, le16_to_cpu(res));
-
- return le16_to_cpu(res);
-}
-
-static void
-asix_mdio_write(struct net_device *netdev, int phy_id, int loc, int val)
-{
- struct usbnet *dev = netdev_priv(netdev);
- __le16 res = cpu_to_le16(val);
-
- netdev_dbg(dev->net, "asix_mdio_write() phy_id=0x%02x, loc=0x%02x, val=0x%04x\n",
- phy_id, loc, val);
- mutex_lock(&dev->phy_mutex);
- asix_set_sw_mii(dev);
- asix_write_cmd(dev, AX_CMD_WRITE_MII_REG, phy_id, (__u16)loc, 2, &res);
- asix_set_hw_mii(dev);
- mutex_unlock(&dev->phy_mutex);
-}
-
-/* Get the PHY Identifier from the PHYSID1 & PHYSID2 MII registers */
-static u32 asix_get_phyid(struct usbnet *dev)
-{
- int phy_reg;
- u32 phy_id;
- int i;
-
- /* Poll for the rare case the FW or phy isn't ready yet. */
- for (i = 0; i < 100; i++) {
- phy_reg = asix_mdio_read(dev->net, dev->mii.phy_id, MII_PHYSID1);
- if (phy_reg != 0 && phy_reg != 0xFFFF)
- break;
- mdelay(1);
- }
-
- if (phy_reg <= 0 || phy_reg == 0xFFFF)
- return 0;
-
- phy_id = (phy_reg & 0xffff) << 16;
-
- phy_reg = asix_mdio_read(dev->net, dev->mii.phy_id, MII_PHYSID2);
- if (phy_reg < 0)
- return 0;
-
- phy_id |= (phy_reg & 0xffff);
-
- return phy_id;
-}
-
-static void
-asix_get_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo)
-{
- struct usbnet *dev = netdev_priv(net);
- u8 opt;
-
- if (asix_read_cmd(dev, AX_CMD_READ_MONITOR_MODE, 0, 0, 1, &opt) < 0) {
- wolinfo->supported = 0;
- wolinfo->wolopts = 0;
- return;
- }
- wolinfo->supported = WAKE_PHY | WAKE_MAGIC;
- wolinfo->wolopts = 0;
- if (opt & AX_MONITOR_LINK)
- wolinfo->wolopts |= WAKE_PHY;
- if (opt & AX_MONITOR_MAGIC)
- wolinfo->wolopts |= WAKE_MAGIC;
-}
-
-static int
-asix_set_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo)
-{
- struct usbnet *dev = netdev_priv(net);
- u8 opt = 0;
-
- if (wolinfo->wolopts & WAKE_PHY)
- opt |= AX_MONITOR_LINK;
- if (wolinfo->wolopts & WAKE_MAGIC)
- opt |= AX_MONITOR_MAGIC;
-
- if (asix_write_cmd(dev, AX_CMD_WRITE_MONITOR_MODE,
- opt, 0, 0, NULL) < 0)
- return -EINVAL;
-
- return 0;
-}
-
-static int asix_get_eeprom_len(struct net_device *net)
-{
- struct usbnet *dev = netdev_priv(net);
- struct asix_data *data = (struct asix_data *)&dev->data;
-
- return data->eeprom_len;
-}
-
-static int asix_get_eeprom(struct net_device *net,
- struct ethtool_eeprom *eeprom, u8 *data)
-{
- struct usbnet *dev = netdev_priv(net);
- __le16 *ebuf = (__le16 *)data;
- int i;
-
- /* Crude hack to ensure that we don't overwrite memory
- * if an odd length is supplied
- */
- if (eeprom->len % 2)
- return -EINVAL;
-
- eeprom->magic = AX_EEPROM_MAGIC;
-
- /* ax8817x returns 2 bytes from eeprom on read */
- for (i=0; i < eeprom->len / 2; i++) {
- if (asix_read_cmd(dev, AX_CMD_READ_EEPROM,
- eeprom->offset + i, 0, 2, &ebuf[i]) < 0)
- return -EINVAL;
- }
- return 0;
-}
-
-static void asix_get_drvinfo (struct net_device *net,
- struct ethtool_drvinfo *info)
-{
- struct usbnet *dev = netdev_priv(net);
- struct asix_data *data = (struct asix_data *)&dev->data;
-
- /* Inherit standard device info */
- usbnet_get_drvinfo(net, info);
- strncpy (info->driver, DRIVER_NAME, sizeof info->driver);
- strncpy (info->version, DRIVER_VERSION, sizeof info->version);
- info->eedump_len = data->eeprom_len;
-}
-
-static u32 asix_get_link(struct net_device *net)
-{
- struct usbnet *dev = netdev_priv(net);
-
- return mii_link_ok(&dev->mii);
-}
-
-static int asix_ioctl (struct net_device *net, struct ifreq *rq, int cmd)
-{
- struct usbnet *dev = netdev_priv(net);
-
- return generic_mii_ioctl(&dev->mii, if_mii(rq), cmd, NULL);
-}
-
-static int asix_set_mac_address(struct net_device *net, void *p)
-{
- struct usbnet *dev = netdev_priv(net);
- struct asix_data *data = (struct asix_data *)&dev->data;
- struct sockaddr *addr = p;
-
- if (netif_running(net))
- return -EBUSY;
- if (!is_valid_ether_addr(addr->sa_data))
- return -EADDRNOTAVAIL;
-
- memcpy(net->dev_addr, addr->sa_data, ETH_ALEN);
-
- /* We use the 20 byte dev->data
- * for our 6 byte mac buffer
- * to avoid allocating memory that
- * is tricky to free later */
- memcpy(data->mac_addr, addr->sa_data, ETH_ALEN);
- asix_write_cmd_async(dev, AX_CMD_WRITE_NODE_ID, 0, 0, ETH_ALEN,
- data->mac_addr);
-
- return 0;
-}
-
-/* We need to override some ethtool_ops so we require our
- own structure so we don't interfere with other usbnet
- devices that may be connected at the same time. */
-static const struct ethtool_ops ax88172_ethtool_ops = {
- .get_drvinfo = asix_get_drvinfo,
- .get_link = asix_get_link,
- .get_msglevel = usbnet_get_msglevel,
- .set_msglevel = usbnet_set_msglevel,
- .get_wol = asix_get_wol,
- .set_wol = asix_set_wol,
- .get_eeprom_len = asix_get_eeprom_len,
- .get_eeprom = asix_get_eeprom,
- .get_settings = usbnet_get_settings,
- .set_settings = usbnet_set_settings,
- .nway_reset = usbnet_nway_reset,
-};
-
-static void ax88172_set_multicast(struct net_device *net)
-{
- struct usbnet *dev = netdev_priv(net);
- struct asix_data *data = (struct asix_data *)&dev->data;
- u8 rx_ctl = 0x8c;
-
- if (net->flags & IFF_PROMISC) {
- rx_ctl |= 0x01;
- } else if (net->flags & IFF_ALLMULTI ||
- netdev_mc_count(net) > AX_MAX_MCAST) {
- rx_ctl |= 0x02;
- } else if (netdev_mc_empty(net)) {
- /* just broadcast and directed */
- } else {
- /* We use the 20 byte dev->data
- * for our 8 byte filter buffer
- * to avoid allocating memory that
- * is tricky to free later */
- struct netdev_hw_addr *ha;
- u32 crc_bits;
-
- memset(data->multi_filter, 0, AX_MCAST_FILTER_SIZE);
-
- /* Build the multicast hash filter. */
- netdev_for_each_mc_addr(ha, net) {
- crc_bits = ether_crc(ETH_ALEN, ha->addr) >> 26;
- data->multi_filter[crc_bits >> 3] |=
- 1 << (crc_bits & 7);
- }
-
- asix_write_cmd_async(dev, AX_CMD_WRITE_MULTI_FILTER, 0, 0,
- AX_MCAST_FILTER_SIZE, data->multi_filter);
-
- rx_ctl |= 0x10;
- }
-
- asix_write_cmd_async(dev, AX_CMD_WRITE_RX_CTL, rx_ctl, 0, 0, NULL);
-}
-
-static int ax88172_link_reset(struct usbnet *dev)
-{
- u8 mode;
- struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET };
-
- mii_check_media(&dev->mii, 1, 1);
- mii_ethtool_gset(&dev->mii, &ecmd);
- mode = AX88172_MEDIUM_DEFAULT;
-
- if (ecmd.duplex != DUPLEX_FULL)
- mode |= ~AX88172_MEDIUM_FD;
-
- netdev_dbg(dev->net, "ax88172_link_reset() speed: %u duplex: %d setting mode to 0x%04x\n",
- ethtool_cmd_speed(&ecmd), ecmd.duplex, mode);
-
- asix_write_medium_mode(dev, mode);
-
- return 0;
-}
-
-static const struct net_device_ops ax88172_netdev_ops = {
- .ndo_open = usbnet_open,
- .ndo_stop = usbnet_stop,
- .ndo_start_xmit = usbnet_start_xmit,
- .ndo_tx_timeout = usbnet_tx_timeout,
- .ndo_change_mtu = usbnet_change_mtu,
- .ndo_set_mac_address = eth_mac_addr,
- .ndo_validate_addr = eth_validate_addr,
- .ndo_do_ioctl = asix_ioctl,
- .ndo_set_rx_mode = ax88172_set_multicast,
-};
-
-static int ax88172_bind(struct usbnet *dev, struct usb_interface *intf)
-{
- int ret = 0;
- u8 buf[ETH_ALEN];
- int i;
- unsigned long gpio_bits = dev->driver_info->data;
- struct asix_data *data = (struct asix_data *)&dev->data;
-
- data->eeprom_len = AX88172_EEPROM_LEN;
-
- usbnet_get_endpoints(dev,intf);
-
- /* Toggle the GPIOs in a manufacturer/model specific way */
- for (i = 2; i >= 0; i--) {
- ret = asix_write_cmd(dev, AX_CMD_WRITE_GPIOS,
- (gpio_bits >> (i * 8)) & 0xff, 0, 0, NULL);
- if (ret < 0)
- goto out;
- msleep(5);
- }
-
- ret = asix_write_rx_ctl(dev, 0x80);
- if (ret < 0)
- goto out;
-
- /* Get the MAC address */
- ret = asix_read_cmd(dev, AX88172_CMD_READ_NODE_ID, 0, 0, ETH_ALEN, buf);
- if (ret < 0) {
- dbg("read AX_CMD_READ_NODE_ID failed: %d", ret);
- goto out;
- }
- memcpy(dev->net->dev_addr, buf, ETH_ALEN);
-
- /* Initialize MII structure */
- dev->mii.dev = dev->net;
- dev->mii.mdio_read = asix_mdio_read;
- dev->mii.mdio_write = asix_mdio_write;
- dev->mii.phy_id_mask = 0x3f;
- dev->mii.reg_num_mask = 0x1f;
- dev->mii.phy_id = asix_get_phy_addr(dev);
-
- dev->net->netdev_ops = &ax88172_netdev_ops;
- dev->net->ethtool_ops = &ax88172_ethtool_ops;
- dev->net->needed_headroom = 4; /* cf asix_tx_fixup() */
- dev->net->needed_tailroom = 4; /* cf asix_tx_fixup() */
-
- asix_mdio_write(dev->net, dev->mii.phy_id, MII_BMCR, BMCR_RESET);
- asix_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE,
- ADVERTISE_ALL | ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
- mii_nway_restart(&dev->mii);
-
- return 0;
-
-out:
- return ret;
-}
-
-static const struct ethtool_ops ax88772_ethtool_ops = {
- .get_drvinfo = asix_get_drvinfo,
- .get_link = asix_get_link,
- .get_msglevel = usbnet_get_msglevel,
- .set_msglevel = usbnet_set_msglevel,
- .get_wol = asix_get_wol,
- .set_wol = asix_set_wol,
- .get_eeprom_len = asix_get_eeprom_len,
- .get_eeprom = asix_get_eeprom,
- .get_settings = usbnet_get_settings,
- .set_settings = usbnet_set_settings,
- .nway_reset = usbnet_nway_reset,
-};
-
-static int ax88772_link_reset(struct usbnet *dev)
-{
- u16 mode;
- struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET };
-
- mii_check_media(&dev->mii, 1, 1);
- mii_ethtool_gset(&dev->mii, &ecmd);
- mode = AX88772_MEDIUM_DEFAULT;
-
- if (ethtool_cmd_speed(&ecmd) != SPEED_100)
- mode &= ~AX_MEDIUM_PS;
-
- if (ecmd.duplex != DUPLEX_FULL)
- mode &= ~AX_MEDIUM_FD;
-
- netdev_dbg(dev->net, "ax88772_link_reset() speed: %u duplex: %d setting mode to 0x%04x\n",
- ethtool_cmd_speed(&ecmd), ecmd.duplex, mode);
-
- asix_write_medium_mode(dev, mode);
-
- return 0;
-}
-
-static int ax88772_reset(struct usbnet *dev)
-{
- struct asix_data *data = (struct asix_data *)&dev->data;
- int ret, embd_phy;
- u16 rx_ctl;
-
- ret = asix_write_gpio(dev,
- AX_GPIO_RSE | AX_GPIO_GPO_2 | AX_GPIO_GPO2EN, 5);
- if (ret < 0)
- goto out;
-
- embd_phy = ((asix_get_phy_addr(dev) & 0x1f) == 0x10 ? 1 : 0);
-
- ret = asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT, embd_phy, 0, 0, NULL);
- if (ret < 0) {
- dbg("Select PHY #1 failed: %d", ret);
- goto out;
- }
-
- ret = asix_sw_reset(dev, AX_SWRESET_IPPD | AX_SWRESET_PRL);
- if (ret < 0)
- goto out;
-
- msleep(150);
-
- ret = asix_sw_reset(dev, AX_SWRESET_CLEAR);
- if (ret < 0)
- goto out;
-
- msleep(150);
-
- if (embd_phy) {
- ret = asix_sw_reset(dev, AX_SWRESET_IPRL);
- if (ret < 0)
- goto out;
- } else {
- ret = asix_sw_reset(dev, AX_SWRESET_PRTE);
- if (ret < 0)
- goto out;
- }
-
- msleep(150);
- rx_ctl = asix_read_rx_ctl(dev);
- dbg("RX_CTL is 0x%04x after software reset", rx_ctl);
- ret = asix_write_rx_ctl(dev, 0x0000);
- if (ret < 0)
- goto out;
-
- rx_ctl = asix_read_rx_ctl(dev);
- dbg("RX_CTL is 0x%04x setting to 0x0000", rx_ctl);
-
- ret = asix_sw_reset(dev, AX_SWRESET_PRL);
- if (ret < 0)
- goto out;
-
- msleep(150);
-
- ret = asix_sw_reset(dev, AX_SWRESET_IPRL | AX_SWRESET_PRL);
- if (ret < 0)
- goto out;
-
- msleep(150);
-
- asix_mdio_write(dev->net, dev->mii.phy_id, MII_BMCR, BMCR_RESET);
- asix_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE,
- ADVERTISE_ALL | ADVERTISE_CSMA);
- mii_nway_restart(&dev->mii);
-
- ret = asix_write_medium_mode(dev, AX88772_MEDIUM_DEFAULT);
- if (ret < 0)
- goto out;
-
- ret = asix_write_cmd(dev, AX_CMD_WRITE_IPG0,
- AX88772_IPG0_DEFAULT | AX88772_IPG1_DEFAULT,
- AX88772_IPG2_DEFAULT, 0, NULL);
- if (ret < 0) {
- dbg("Write IPG,IPG1,IPG2 failed: %d", ret);
- goto out;
- }
-
- /* Rewrite MAC address */
- memcpy(data->mac_addr, dev->net->dev_addr, ETH_ALEN);
- ret = asix_write_cmd(dev, AX_CMD_WRITE_NODE_ID, 0, 0, ETH_ALEN,
- data->mac_addr);
- if (ret < 0)
- goto out;
-
- /* Set RX_CTL to default values with 2k buffer, and enable cactus */
- ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL);
- if (ret < 0)
- goto out;
-
- rx_ctl = asix_read_rx_ctl(dev);
- dbg("RX_CTL is 0x%04x after all initializations", rx_ctl);
-
- rx_ctl = asix_read_medium_status(dev);
- dbg("Medium Status is 0x%04x after all initializations", rx_ctl);
-
- return 0;
-
-out:
- return ret;
-
-}
-
-static const struct net_device_ops ax88772_netdev_ops = {
- .ndo_open = usbnet_open,
- .ndo_stop = usbnet_stop,
- .ndo_start_xmit = usbnet_start_xmit,
- .ndo_tx_timeout = usbnet_tx_timeout,
- .ndo_change_mtu = usbnet_change_mtu,
- .ndo_set_mac_address = asix_set_mac_address,
- .ndo_validate_addr = eth_validate_addr,
- .ndo_do_ioctl = asix_ioctl,
- .ndo_set_rx_mode = asix_set_multicast,
-};
-
-static int ax88772_bind(struct usbnet *dev, struct usb_interface *intf)
-{
- int ret, embd_phy;
- struct asix_data *data = (struct asix_data *)&dev->data;
- u8 buf[ETH_ALEN];
- u32 phyid;
-
- data->eeprom_len = AX88772_EEPROM_LEN;
-
- usbnet_get_endpoints(dev,intf);
-
- /* Get the MAC address */
- ret = asix_read_cmd(dev, AX_CMD_READ_NODE_ID, 0, 0, ETH_ALEN, buf);
- if (ret < 0) {
- dbg("Failed to read MAC address: %d", ret);
- return ret;
- }
- memcpy(dev->net->dev_addr, buf, ETH_ALEN);
-
- /* Initialize MII structure */
- dev->mii.dev = dev->net;
- dev->mii.mdio_read = asix_mdio_read;
- dev->mii.mdio_write = asix_mdio_write;
- dev->mii.phy_id_mask = 0x1f;
- dev->mii.reg_num_mask = 0x1f;
- dev->mii.phy_id = asix_get_phy_addr(dev);
-
- dev->net->netdev_ops = &ax88772_netdev_ops;
- dev->net->ethtool_ops = &ax88772_ethtool_ops;
- dev->net->needed_headroom = 4; /* cf asix_tx_fixup() */
- dev->net->needed_tailroom = 4; /* cf asix_tx_fixup() */
-
- embd_phy = ((dev->mii.phy_id & 0x1f) == 0x10 ? 1 : 0);
-
- /* Reset the PHY to normal operation mode */
- ret = asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT, embd_phy, 0, 0, NULL);
- if (ret < 0) {
- dbg("Select PHY #1 failed: %d", ret);
- return ret;
- }
-
- ret = asix_sw_reset(dev, AX_SWRESET_IPPD | AX_SWRESET_PRL);
- if (ret < 0)
- return ret;
-
- msleep(150);
-
- ret = asix_sw_reset(dev, AX_SWRESET_CLEAR);
- if (ret < 0)
- return ret;
-
- msleep(150);
-
- ret = asix_sw_reset(dev, embd_phy ? AX_SWRESET_IPRL : AX_SWRESET_PRTE);
-
- /* Read PHYID register *AFTER* the PHY was reset properly */
- phyid = asix_get_phyid(dev);
- dbg("PHYID=0x%08x", phyid);
-
- /* Asix framing packs multiple eth frames into a 2K usb bulk transfer */
- if (dev->driver_info->flags & FLAG_FRAMING_AX) {
- /* hard_mtu is still the default - the device does not support
- jumbo eth frames */
- dev->rx_urb_size = 2048;
- }
-
- return 0;
-}
-
-static const struct ethtool_ops ax88178_ethtool_ops = {
- .get_drvinfo = asix_get_drvinfo,
- .get_link = asix_get_link,
- .get_msglevel = usbnet_get_msglevel,
- .set_msglevel = usbnet_set_msglevel,
- .get_wol = asix_get_wol,
- .set_wol = asix_set_wol,
- .get_eeprom_len = asix_get_eeprom_len,
- .get_eeprom = asix_get_eeprom,
- .get_settings = usbnet_get_settings,
- .set_settings = usbnet_set_settings,
- .nway_reset = usbnet_nway_reset,
-};
-
-static int marvell_phy_init(struct usbnet *dev)
-{
- struct asix_data *data = (struct asix_data *)&dev->data;
- u16 reg;
-
- netdev_dbg(dev->net, "marvell_phy_init()\n");
-
- reg = asix_mdio_read(dev->net, dev->mii.phy_id, MII_MARVELL_STATUS);
- netdev_dbg(dev->net, "MII_MARVELL_STATUS = 0x%04x\n", reg);
-
- asix_mdio_write(dev->net, dev->mii.phy_id, MII_MARVELL_CTRL,
- MARVELL_CTRL_RXDELAY | MARVELL_CTRL_TXDELAY);
-
- if (data->ledmode) {
- reg = asix_mdio_read(dev->net, dev->mii.phy_id,
- MII_MARVELL_LED_CTRL);
- netdev_dbg(dev->net, "MII_MARVELL_LED_CTRL (1) = 0x%04x\n", reg);
-
- reg &= 0xf8ff;
- reg |= (1 + 0x0100);
- asix_mdio_write(dev->net, dev->mii.phy_id,
- MII_MARVELL_LED_CTRL, reg);
-
- reg = asix_mdio_read(dev->net, dev->mii.phy_id,
- MII_MARVELL_LED_CTRL);
- netdev_dbg(dev->net, "MII_MARVELL_LED_CTRL (2) = 0x%04x\n", reg);
- reg &= 0xfc0f;
- }
-
- return 0;
-}
-
-static int rtl8211cl_phy_init(struct usbnet *dev)
-{
- struct asix_data *data = (struct asix_data *)&dev->data;
-
- netdev_dbg(dev->net, "rtl8211cl_phy_init()\n");
-
- asix_mdio_write (dev->net, dev->mii.phy_id, 0x1f, 0x0005);
- asix_mdio_write (dev->net, dev->mii.phy_id, 0x0c, 0);
- asix_mdio_write (dev->net, dev->mii.phy_id, 0x01,
- asix_mdio_read (dev->net, dev->mii.phy_id, 0x01) | 0x0080);
- asix_mdio_write (dev->net, dev->mii.phy_id, 0x1f, 0);
-
- if (data->ledmode == 12) {
- asix_mdio_write (dev->net, dev->mii.phy_id, 0x1f, 0x0002);
- asix_mdio_write (dev->net, dev->mii.phy_id, 0x1a, 0x00cb);
- asix_mdio_write (dev->net, dev->mii.phy_id, 0x1f, 0);
- }
-
- return 0;
-}
-
-static int marvell_led_status(struct usbnet *dev, u16 speed)
-{
- u16 reg = asix_mdio_read(dev->net, dev->mii.phy_id, MARVELL_LED_MANUAL);
-
- netdev_dbg(dev->net, "marvell_led_status() read 0x%04x\n", reg);
-
- /* Clear out the center LED bits - 0x03F0 */
- reg &= 0xfc0f;
-
- switch (speed) {
- case SPEED_1000:
- reg |= 0x03e0;
- break;
- case SPEED_100:
- reg |= 0x03b0;
- break;
- default:
- reg |= 0x02f0;
- }
-
- netdev_dbg(dev->net, "marvell_led_status() writing 0x%04x\n", reg);
- asix_mdio_write(dev->net, dev->mii.phy_id, MARVELL_LED_MANUAL, reg);
-
- return 0;
-}
-
-static int ax88178_reset(struct usbnet *dev)
-{
- struct asix_data *data = (struct asix_data *)&dev->data;
- int ret;
- __le16 eeprom;
- u8 status;
- int gpio0 = 0;
- u32 phyid;
-
- asix_read_cmd(dev, AX_CMD_READ_GPIOS, 0, 0, 1, &status);
- dbg("GPIO Status: 0x%04x", status);
-
- asix_write_cmd(dev, AX_CMD_WRITE_ENABLE, 0, 0, 0, NULL);
- asix_read_cmd(dev, AX_CMD_READ_EEPROM, 0x0017, 0, 2, &eeprom);
- asix_write_cmd(dev, AX_CMD_WRITE_DISABLE, 0, 0, 0, NULL);
-
- dbg("EEPROM index 0x17 is 0x%04x", eeprom);
-
- if (eeprom == cpu_to_le16(0xffff)) {
- data->phymode = PHY_MODE_MARVELL;
- data->ledmode = 0;
- gpio0 = 1;
- } else {
- data->phymode = le16_to_cpu(eeprom) & 0x7F;
- data->ledmode = le16_to_cpu(eeprom) >> 8;
- gpio0 = (le16_to_cpu(eeprom) & 0x80) ? 0 : 1;
- }
- dbg("GPIO0: %d, PhyMode: %d", gpio0, data->phymode);
-
- /* Power up external GigaPHY through AX88178 GPIO pin */
- asix_write_gpio(dev, AX_GPIO_RSE | AX_GPIO_GPO_1 | AX_GPIO_GPO1EN, 40);
- if ((le16_to_cpu(eeprom) >> 8) != 1) {
- asix_write_gpio(dev, 0x003c, 30);
- asix_write_gpio(dev, 0x001c, 300);
- asix_write_gpio(dev, 0x003c, 30);
- } else {
- dbg("gpio phymode == 1 path");
- asix_write_gpio(dev, AX_GPIO_GPO1EN, 30);
- asix_write_gpio(dev, AX_GPIO_GPO1EN | AX_GPIO_GPO_1, 30);
- }
-
- /* Read PHYID register *AFTER* powering up PHY */
- phyid = asix_get_phyid(dev);
- dbg("PHYID=0x%08x", phyid);
-
- /* Set AX88178 to enable MII/GMII/RGMII interface for external PHY */
- asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT, 0, 0, 0, NULL);
-
- asix_sw_reset(dev, 0);
- msleep(150);
-
- asix_sw_reset(dev, AX_SWRESET_PRL | AX_SWRESET_IPPD);
- msleep(150);
-
- asix_write_rx_ctl(dev, 0);
-
- if (data->phymode == PHY_MODE_MARVELL) {
- marvell_phy_init(dev);
- msleep(60);
- } else if (data->phymode == PHY_MODE_RTL8211CL)
- rtl8211cl_phy_init(dev);
-
- asix_mdio_write(dev->net, dev->mii.phy_id, MII_BMCR,
- BMCR_RESET | BMCR_ANENABLE);
- asix_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE,
- ADVERTISE_ALL | ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
- asix_mdio_write(dev->net, dev->mii.phy_id, MII_CTRL1000,
- ADVERTISE_1000FULL);
-
- mii_nway_restart(&dev->mii);
-
- ret = asix_write_medium_mode(dev, AX88178_MEDIUM_DEFAULT);
- if (ret < 0)
- return ret;
-
- /* Rewrite MAC address */
- memcpy(data->mac_addr, dev->net->dev_addr, ETH_ALEN);
- ret = asix_write_cmd(dev, AX_CMD_WRITE_NODE_ID, 0, 0, ETH_ALEN,
- data->mac_addr);
- if (ret < 0)
- return ret;
-
- ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL);
- if (ret < 0)
- return ret;
-
- return 0;
-}
-
-static int ax88178_link_reset(struct usbnet *dev)
-{
- u16 mode;
- struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET };
- struct asix_data *data = (struct asix_data *)&dev->data;
- u32 speed;
-
- netdev_dbg(dev->net, "ax88178_link_reset()\n");
-
- mii_check_media(&dev->mii, 1, 1);
- mii_ethtool_gset(&dev->mii, &ecmd);
- mode = AX88178_MEDIUM_DEFAULT;
- speed = ethtool_cmd_speed(&ecmd);
-
- if (speed == SPEED_1000)
- mode |= AX_MEDIUM_GM;
- else if (speed == SPEED_100)
- mode |= AX_MEDIUM_PS;
- else
- mode &= ~(AX_MEDIUM_PS | AX_MEDIUM_GM);
-
- mode |= AX_MEDIUM_ENCK;
-
- if (ecmd.duplex == DUPLEX_FULL)
- mode |= AX_MEDIUM_FD;
- else
- mode &= ~AX_MEDIUM_FD;
-
- netdev_dbg(dev->net, "ax88178_link_reset() speed: %u duplex: %d setting mode to 0x%04x\n",
- speed, ecmd.duplex, mode);
-
- asix_write_medium_mode(dev, mode);
-
- if (data->phymode == PHY_MODE_MARVELL && data->ledmode)
- marvell_led_status(dev, speed);
-
- return 0;
-}
-
-static void ax88178_set_mfb(struct usbnet *dev)
-{
- u16 mfb = AX_RX_CTL_MFB_16384;
- u16 rxctl;
- u16 medium;
- int old_rx_urb_size = dev->rx_urb_size;
-
- if (dev->hard_mtu < 2048) {
- dev->rx_urb_size = 2048;
- mfb = AX_RX_CTL_MFB_2048;
- } else if (dev->hard_mtu < 4096) {
- dev->rx_urb_size = 4096;
- mfb = AX_RX_CTL_MFB_4096;
- } else if (dev->hard_mtu < 8192) {
- dev->rx_urb_size = 8192;
- mfb = AX_RX_CTL_MFB_8192;
- } else if (dev->hard_mtu < 16384) {
- dev->rx_urb_size = 16384;
- mfb = AX_RX_CTL_MFB_16384;
- }
-
- rxctl = asix_read_rx_ctl(dev);
- asix_write_rx_ctl(dev, (rxctl & ~AX_RX_CTL_MFB_16384) | mfb);
-
- medium = asix_read_medium_status(dev);
- if (dev->net->mtu > 1500)
- medium |= AX_MEDIUM_JFE;
- else
- medium &= ~AX_MEDIUM_JFE;
- asix_write_medium_mode(dev, medium);
-
- if (dev->rx_urb_size > old_rx_urb_size)
- usbnet_unlink_rx_urbs(dev);
-}
-
-static int ax88178_change_mtu(struct net_device *net, int new_mtu)
-{
- struct usbnet *dev = netdev_priv(net);
- int ll_mtu = new_mtu + net->hard_header_len + 4;
-
- netdev_dbg(dev->net, "ax88178_change_mtu() new_mtu=%d\n", new_mtu);
-
- if (new_mtu <= 0 || ll_mtu > 16384)
- return -EINVAL;
-
- if ((ll_mtu % dev->maxpacket) == 0)
- return -EDOM;
-
- net->mtu = new_mtu;
- dev->hard_mtu = net->mtu + net->hard_header_len;
- ax88178_set_mfb(dev);
-
- return 0;
-}
-
-static const struct net_device_ops ax88178_netdev_ops = {
- .ndo_open = usbnet_open,
- .ndo_stop = usbnet_stop,
- .ndo_start_xmit = usbnet_start_xmit,
- .ndo_tx_timeout = usbnet_tx_timeout,
- .ndo_set_mac_address = asix_set_mac_address,
- .ndo_validate_addr = eth_validate_addr,
- .ndo_set_rx_mode = asix_set_multicast,
- .ndo_do_ioctl = asix_ioctl,
- .ndo_change_mtu = ax88178_change_mtu,
-};
-
-static int ax88178_bind(struct usbnet *dev, struct usb_interface *intf)
-{
- int ret;
- u8 buf[ETH_ALEN];
- struct asix_data *data = (struct asix_data *)&dev->data;
-
- data->eeprom_len = AX88772_EEPROM_LEN;
-
- usbnet_get_endpoints(dev,intf);
-
- /* Get the MAC address */
- ret = asix_read_cmd(dev, AX_CMD_READ_NODE_ID, 0, 0, ETH_ALEN, buf);
- if (ret < 0) {
- dbg("Failed to read MAC address: %d", ret);
- return ret;
- }
- memcpy(dev->net->dev_addr, buf, ETH_ALEN);
-
- /* Initialize MII structure */
- dev->mii.dev = dev->net;
- dev->mii.mdio_read = asix_mdio_read;
- dev->mii.mdio_write = asix_mdio_write;
- dev->mii.phy_id_mask = 0x1f;
- dev->mii.reg_num_mask = 0xff;
- dev->mii.supports_gmii = 1;
- dev->mii.phy_id = asix_get_phy_addr(dev);
-
- dev->net->netdev_ops = &ax88178_netdev_ops;
- dev->net->ethtool_ops = &ax88178_ethtool_ops;
-
- /* Blink LEDS so users know driver saw dongle */
- asix_sw_reset(dev, 0);
- msleep(150);
-
- asix_sw_reset(dev, AX_SWRESET_PRL | AX_SWRESET_IPPD);
- msleep(150);
-
- /* Asix framing packs multiple eth frames into a 2K usb bulk transfer */
- if (dev->driver_info->flags & FLAG_FRAMING_AX) {
- /* hard_mtu is still the default - the device does not support
- jumbo eth frames */
- dev->rx_urb_size = 2048;
- }
-
- return 0;
-}
-
-static const struct driver_info ax8817x_info = {
- .description = "ASIX AX8817x USB 2.0 Ethernet",
- .bind = ax88172_bind,
- .status = asix_status,
- .link_reset = ax88172_link_reset,
- .reset = ax88172_link_reset,
- .flags = FLAG_ETHER | FLAG_LINK_INTR,
- .data = 0x00130103,
-};
-
-static const struct driver_info dlink_dub_e100_info = {
- .description = "DLink DUB-E100 USB Ethernet",
- .bind = ax88172_bind,
- .status = asix_status,
- .link_reset = ax88172_link_reset,
- .reset = ax88172_link_reset,
- .flags = FLAG_ETHER | FLAG_LINK_INTR,
- .data = 0x009f9d9f,
-};
-
-static const struct driver_info netgear_fa120_info = {
- .description = "Netgear FA-120 USB Ethernet",
- .bind = ax88172_bind,
- .status = asix_status,
- .link_reset = ax88172_link_reset,
- .reset = ax88172_link_reset,
- .flags = FLAG_ETHER | FLAG_LINK_INTR,
- .data = 0x00130103,
-};
-
-static const struct driver_info hawking_uf200_info = {
- .description = "Hawking UF200 USB Ethernet",
- .bind = ax88172_bind,
- .status = asix_status,
- .link_reset = ax88172_link_reset,
- .reset = ax88172_link_reset,
- .flags = FLAG_ETHER | FLAG_LINK_INTR,
- .data = 0x001f1d1f,
-};
-
-static const struct driver_info ax88772_info = {
- .description = "ASIX AX88772 USB 2.0 Ethernet",
- .bind = ax88772_bind,
- .status = asix_status,
- .link_reset = ax88772_link_reset,
- .reset = ax88772_reset,
- .flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR | FLAG_MULTI_PACKET,
- .rx_fixup = asix_rx_fixup,
- .tx_fixup = asix_tx_fixup,
-};
-
-static const struct driver_info ax88178_info = {
- .description = "ASIX AX88178 USB 2.0 Ethernet",
- .bind = ax88178_bind,
- .status = asix_status,
- .link_reset = ax88178_link_reset,
- .reset = ax88178_reset,
- .flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR,
- .rx_fixup = asix_rx_fixup,
- .tx_fixup = asix_tx_fixup,
-};
-
-static const struct usb_device_id products [] = {
-{
- // Linksys USB200M
- USB_DEVICE (0x077b, 0x2226),
- .driver_info = (unsigned long) &ax8817x_info,
-}, {
- // Netgear FA120
- USB_DEVICE (0x0846, 0x1040),
- .driver_info = (unsigned long) &netgear_fa120_info,
-}, {
- // DLink DUB-E100
- USB_DEVICE (0x2001, 0x1a00),
- .driver_info = (unsigned long) &dlink_dub_e100_info,
-}, {
- // Intellinet, ST Lab USB Ethernet
- USB_DEVICE (0x0b95, 0x1720),
- .driver_info = (unsigned long) &ax8817x_info,
-}, {
- // Hawking UF200, TrendNet TU2-ET100
- USB_DEVICE (0x07b8, 0x420a),
- .driver_info = (unsigned long) &hawking_uf200_info,
-}, {
- // Billionton Systems, USB2AR
- USB_DEVICE (0x08dd, 0x90ff),
- .driver_info = (unsigned long) &ax8817x_info,
-}, {
- // ATEN UC210T
- USB_DEVICE (0x0557, 0x2009),
- .driver_info = (unsigned long) &ax8817x_info,
-}, {
- // Buffalo LUA-U2-KTX
- USB_DEVICE (0x0411, 0x003d),
- .driver_info = (unsigned long) &ax8817x_info,
-}, {
- // Buffalo LUA-U2-GT 10/100/1000
- USB_DEVICE (0x0411, 0x006e),
- .driver_info = (unsigned long) &ax88178_info,
-}, {
- // Sitecom LN-029 "USB 2.0 10/100 Ethernet adapter"
- USB_DEVICE (0x6189, 0x182d),
- .driver_info = (unsigned long) &ax8817x_info,
-}, {
- // Sitecom LN-031 "USB 2.0 10/100/1000 Ethernet adapter"
- USB_DEVICE (0x0df6, 0x0056),
- .driver_info = (unsigned long) &ax88178_info,
-}, {
- // corega FEther USB2-TX
- USB_DEVICE (0x07aa, 0x0017),
- .driver_info = (unsigned long) &ax8817x_info,
-}, {
- // Surecom EP-1427X-2
- USB_DEVICE (0x1189, 0x0893),
- .driver_info = (unsigned long) &ax8817x_info,
-}, {
- // goodway corp usb gwusb2e
- USB_DEVICE (0x1631, 0x6200),
- .driver_info = (unsigned long) &ax8817x_info,
-}, {
- // JVC MP-PRX1 Port Replicator
- USB_DEVICE (0x04f1, 0x3008),
- .driver_info = (unsigned long) &ax8817x_info,
-}, {
- // ASIX AX88772B 10/100
- USB_DEVICE (0x0b95, 0x772b),
- .driver_info = (unsigned long) &ax88772_info,
-}, {
- // ASIX AX88772 10/100
- USB_DEVICE (0x0b95, 0x7720),
- .driver_info = (unsigned long) &ax88772_info,
-}, {
- // ASIX AX88178 10/100/1000
- USB_DEVICE (0x0b95, 0x1780),
- .driver_info = (unsigned long) &ax88178_info,
-}, {
- // Logitec LAN-GTJ/U2A
- USB_DEVICE (0x0789, 0x0160),
- .driver_info = (unsigned long) &ax88178_info,
-}, {
- // Linksys USB200M Rev 2
- USB_DEVICE (0x13b1, 0x0018),
- .driver_info = (unsigned long) &ax88772_info,
-}, {
- // 0Q0 cable ethernet
- USB_DEVICE (0x1557, 0x7720),
- .driver_info = (unsigned long) &ax88772_info,
-}, {
- // DLink DUB-E100 H/W Ver B1
- USB_DEVICE (0x07d1, 0x3c05),
- .driver_info = (unsigned long) &ax88772_info,
-}, {
- // DLink DUB-E100 H/W Ver B1 Alternate
- USB_DEVICE (0x2001, 0x3c05),
- .driver_info = (unsigned long) &ax88772_info,
-}, {
- // Linksys USB1000
- USB_DEVICE (0x1737, 0x0039),
- .driver_info = (unsigned long) &ax88178_info,
-}, {
- // IO-DATA ETG-US2
- USB_DEVICE (0x04bb, 0x0930),
- .driver_info = (unsigned long) &ax88178_info,
-}, {
- // Belkin F5D5055
- USB_DEVICE(0x050d, 0x5055),
- .driver_info = (unsigned long) &ax88178_info,
-}, {
- // Apple USB Ethernet Adapter
- USB_DEVICE(0x05ac, 0x1402),
- .driver_info = (unsigned long) &ax88772_info,
-}, {
- // Cables-to-Go USB Ethernet Adapter
- USB_DEVICE(0x0b95, 0x772a),
- .driver_info = (unsigned long) &ax88772_info,
-}, {
- // ABOCOM for pci
- USB_DEVICE(0x14ea, 0xab11),
- .driver_info = (unsigned long) &ax88178_info,
-}, {
- // ASIX 88772a
- USB_DEVICE(0x0db0, 0xa877),
- .driver_info = (unsigned long) &ax88772_info,
-}, {
- // Asus USB Ethernet Adapter
- USB_DEVICE (0x0b95, 0x7e2b),
- .driver_info = (unsigned long) &ax88772_info,
-},
- { }, // END
-};
-MODULE_DEVICE_TABLE(usb, products);
-
-static struct usb_driver asix_driver = {
- .name = DRIVER_NAME,
- .id_table = products,
- .probe = usbnet_probe,
- .suspend = usbnet_suspend,
- .resume = usbnet_resume,
- .disconnect = usbnet_disconnect,
- .supports_autosuspend = 1,
- .disable_hub_initiated_lpm = 1,
-};
-
-module_usb_driver(asix_driver);
-
-MODULE_AUTHOR("David Hollis");
-MODULE_VERSION(DRIVER_VERSION);
-MODULE_DESCRIPTION("ASIX AX8817X based USB 2.0 Ethernet Devices");
-MODULE_LICENSE("GPL");
-
--- /dev/null
+/*
+ * ASIX AX8817X based USB 2.0 Ethernet Devices
+ * Copyright (C) 2003-2006 David Hollis <dhollis@davehollis.com>
+ * Copyright (C) 2005 Phil Chang <pchang23@sbcglobal.net>
+ * Copyright (C) 2006 James Painter <jamie.painter@iname.com>
+ * Copyright (c) 2002-2003 TiVo Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+// #define DEBUG // error path messages, extra info
+// #define VERBOSE // more; success messages
+
+#include <linux/module.h>
+#include <linux/kmod.h>
+#include <linux/init.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/ethtool.h>
+#include <linux/workqueue.h>
+#include <linux/mii.h>
+#include <linux/usb.h>
+#include <linux/crc32.h>
+#include <linux/usb/usbnet.h>
+#include <linux/slab.h>
+#include <linux/if_vlan.h>
+
+#define DRIVER_VERSION "22-Dec-2011"
+#define DRIVER_NAME "asix"
+
+/* ASIX AX8817X based USB 2.0 Ethernet Devices */
+
+#define AX_CMD_SET_SW_MII 0x06
+#define AX_CMD_READ_MII_REG 0x07
+#define AX_CMD_WRITE_MII_REG 0x08
+#define AX_CMD_SET_HW_MII 0x0a
+#define AX_CMD_READ_EEPROM 0x0b
+#define AX_CMD_WRITE_EEPROM 0x0c
+#define AX_CMD_WRITE_ENABLE 0x0d
+#define AX_CMD_WRITE_DISABLE 0x0e
+#define AX_CMD_READ_RX_CTL 0x0f
+#define AX_CMD_WRITE_RX_CTL 0x10
+#define AX_CMD_READ_IPG012 0x11
+#define AX_CMD_WRITE_IPG0 0x12
+#define AX_CMD_WRITE_IPG1 0x13
+#define AX_CMD_READ_NODE_ID 0x13
+#define AX_CMD_WRITE_NODE_ID 0x14
+#define AX_CMD_WRITE_IPG2 0x14
+#define AX_CMD_WRITE_MULTI_FILTER 0x16
+#define AX88172_CMD_READ_NODE_ID 0x17
+#define AX_CMD_READ_PHY_ID 0x19
+#define AX_CMD_READ_MEDIUM_STATUS 0x1a
+#define AX_CMD_WRITE_MEDIUM_MODE 0x1b
+#define AX_CMD_READ_MONITOR_MODE 0x1c
+#define AX_CMD_WRITE_MONITOR_MODE 0x1d
+#define AX_CMD_READ_GPIOS 0x1e
+#define AX_CMD_WRITE_GPIOS 0x1f
+#define AX_CMD_SW_RESET 0x20
+#define AX_CMD_SW_PHY_STATUS 0x21
+#define AX_CMD_SW_PHY_SELECT 0x22
+
+#define AX_MONITOR_MODE 0x01
+#define AX_MONITOR_LINK 0x02
+#define AX_MONITOR_MAGIC 0x04
+#define AX_MONITOR_HSFS 0x10
+
+/* AX88172 Medium Status Register values */
+#define AX88172_MEDIUM_FD 0x02
+#define AX88172_MEDIUM_TX 0x04
+#define AX88172_MEDIUM_FC 0x10
+#define AX88172_MEDIUM_DEFAULT \
+ ( AX88172_MEDIUM_FD | AX88172_MEDIUM_TX | AX88172_MEDIUM_FC )
+
+#define AX_MCAST_FILTER_SIZE 8
+#define AX_MAX_MCAST 64
+
+#define AX_SWRESET_CLEAR 0x00
+#define AX_SWRESET_RR 0x01
+#define AX_SWRESET_RT 0x02
+#define AX_SWRESET_PRTE 0x04
+#define AX_SWRESET_PRL 0x08
+#define AX_SWRESET_BZ 0x10
+#define AX_SWRESET_IPRL 0x20
+#define AX_SWRESET_IPPD 0x40
+
+#define AX88772_IPG0_DEFAULT 0x15
+#define AX88772_IPG1_DEFAULT 0x0c
+#define AX88772_IPG2_DEFAULT 0x12
+
+/* AX88772 & AX88178 Medium Mode Register */
+#define AX_MEDIUM_PF 0x0080
+#define AX_MEDIUM_JFE 0x0040
+#define AX_MEDIUM_TFC 0x0020
+#define AX_MEDIUM_RFC 0x0010
+#define AX_MEDIUM_ENCK 0x0008
+#define AX_MEDIUM_AC 0x0004
+#define AX_MEDIUM_FD 0x0002
+#define AX_MEDIUM_GM 0x0001
+#define AX_MEDIUM_SM 0x1000
+#define AX_MEDIUM_SBP 0x0800
+#define AX_MEDIUM_PS 0x0200
+#define AX_MEDIUM_RE 0x0100
+
+#define AX88178_MEDIUM_DEFAULT \
+ (AX_MEDIUM_PS | AX_MEDIUM_FD | AX_MEDIUM_AC | \
+ AX_MEDIUM_RFC | AX_MEDIUM_TFC | AX_MEDIUM_JFE | \
+ AX_MEDIUM_RE)
+
+#define AX88772_MEDIUM_DEFAULT \
+ (AX_MEDIUM_FD | AX_MEDIUM_RFC | \
+ AX_MEDIUM_TFC | AX_MEDIUM_PS | \
+ AX_MEDIUM_AC | AX_MEDIUM_RE)
+
+/* AX88772 & AX88178 RX_CTL values */
+#define AX_RX_CTL_SO 0x0080
+#define AX_RX_CTL_AP 0x0020
+#define AX_RX_CTL_AM 0x0010
+#define AX_RX_CTL_AB 0x0008
+#define AX_RX_CTL_SEP 0x0004
+#define AX_RX_CTL_AMALL 0x0002
+#define AX_RX_CTL_PRO 0x0001
+#define AX_RX_CTL_MFB_2048 0x0000
+#define AX_RX_CTL_MFB_4096 0x0100
+#define AX_RX_CTL_MFB_8192 0x0200
+#define AX_RX_CTL_MFB_16384 0x0300
+
+#define AX_DEFAULT_RX_CTL (AX_RX_CTL_SO | AX_RX_CTL_AB)
+
+/* GPIO 0 .. 2 toggles */
+#define AX_GPIO_GPO0EN 0x01 /* GPIO0 Output enable */
+#define AX_GPIO_GPO_0 0x02 /* GPIO0 Output value */
+#define AX_GPIO_GPO1EN 0x04 /* GPIO1 Output enable */
+#define AX_GPIO_GPO_1 0x08 /* GPIO1 Output value */
+#define AX_GPIO_GPO2EN 0x10 /* GPIO2 Output enable */
+#define AX_GPIO_GPO_2 0x20 /* GPIO2 Output value */
+#define AX_GPIO_RESERVED 0x40 /* Reserved */
+#define AX_GPIO_RSE 0x80 /* Reload serial EEPROM */
+
+#define AX_EEPROM_MAGIC 0xdeadbeef
+#define AX88172_EEPROM_LEN 0x40
+#define AX88772_EEPROM_LEN 0xff
+
+#define PHY_MODE_MARVELL 0x0000
+#define MII_MARVELL_LED_CTRL 0x0018
+#define MII_MARVELL_STATUS 0x001b
+#define MII_MARVELL_CTRL 0x0014
+
+#define MARVELL_LED_MANUAL 0x0019
+
+#define MARVELL_STATUS_HWCFG 0x0004
+
+#define MARVELL_CTRL_TXDELAY 0x0002
+#define MARVELL_CTRL_RXDELAY 0x0080
+
+#define PHY_MODE_RTL8211CL 0x000C
+
+/* This structure cannot exceed sizeof(unsigned long [5]) AKA 20 bytes */
+struct asix_data {
+ u8 multi_filter[AX_MCAST_FILTER_SIZE];
+ u8 mac_addr[ETH_ALEN];
+ u8 phymode;
+ u8 ledmode;
+ u8 eeprom_len;
+};
+
+struct ax88172_int_data {
+ __le16 res1;
+ u8 link;
+ __le16 res2;
+ u8 status;
+ __le16 res3;
+} __packed;
+
+static int asix_read_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
+ u16 size, void *data)
+{
+ void *buf;
+ int err = -ENOMEM;
+
+ netdev_dbg(dev->net, "asix_read_cmd() cmd=0x%02x value=0x%04x index=0x%04x size=%d\n",
+ cmd, value, index, size);
+
+ buf = kmalloc(size, GFP_KERNEL);
+ if (!buf)
+ goto out;
+
+ err = usb_control_msg(
+ dev->udev,
+ usb_rcvctrlpipe(dev->udev, 0),
+ cmd,
+ USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+ value,
+ index,
+ buf,
+ size,
+ USB_CTRL_GET_TIMEOUT);
+ if (err == size)
+ memcpy(data, buf, size);
+ else if (err >= 0)
+ err = -EINVAL;
+ kfree(buf);
+
+out:
+ return err;
+}
+
+static int asix_write_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
+ u16 size, void *data)
+{
+ void *buf = NULL;
+ int err = -ENOMEM;
+
+ netdev_dbg(dev->net, "asix_write_cmd() cmd=0x%02x value=0x%04x index=0x%04x size=%d\n",
+ cmd, value, index, size);
+
+ if (data) {
+ buf = kmemdup(data, size, GFP_KERNEL);
+ if (!buf)
+ goto out;
+ }
+
+ err = usb_control_msg(
+ dev->udev,
+ usb_sndctrlpipe(dev->udev, 0),
+ cmd,
+ USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+ value,
+ index,
+ buf,
+ size,
+ USB_CTRL_SET_TIMEOUT);
+ kfree(buf);
+
+out:
+ return err;
+}
+
+static void asix_async_cmd_callback(struct urb *urb)
+{
+ struct usb_ctrlrequest *req = (struct usb_ctrlrequest *)urb->context;
+ int status = urb->status;
+
+ if (status < 0)
+ printk(KERN_DEBUG "asix_async_cmd_callback() failed with %d",
+ status);
+
+ kfree(req);
+ usb_free_urb(urb);
+}
+
+static void
+asix_write_cmd_async(struct usbnet *dev, u8 cmd, u16 value, u16 index,
+ u16 size, void *data)
+{
+ struct usb_ctrlrequest *req;
+ int status;
+ struct urb *urb;
+
+ netdev_dbg(dev->net, "asix_write_cmd_async() cmd=0x%02x value=0x%04x index=0x%04x size=%d\n",
+ cmd, value, index, size);
+
+ urb = usb_alloc_urb(0, GFP_ATOMIC);
+ if (!urb) {
+ netdev_err(dev->net, "Error allocating URB in write_cmd_async!\n");
+ return;
+ }
+
+ req = kmalloc(sizeof(struct usb_ctrlrequest), GFP_ATOMIC);
+ if (!req) {
+ netdev_err(dev->net, "Failed to allocate memory for control request\n");
+ usb_free_urb(urb);
+ return;
+ }
+
+ req->bRequestType = USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE;
+ req->bRequest = cmd;
+ req->wValue = cpu_to_le16(value);
+ req->wIndex = cpu_to_le16(index);
+ req->wLength = cpu_to_le16(size);
+
+ usb_fill_control_urb(urb, dev->udev,
+ usb_sndctrlpipe(dev->udev, 0),
+ (void *)req, data, size,
+ asix_async_cmd_callback, req);
+
+ status = usb_submit_urb(urb, GFP_ATOMIC);
+ if (status < 0) {
+ netdev_err(dev->net, "Error submitting the control message: status=%d\n",
+ status);
+ kfree(req);
+ usb_free_urb(urb);
+ }
+}
+
+static int asix_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
+{
+ int offset = 0;
+
+ while (offset + sizeof(u32) < skb->len) {
+ struct sk_buff *ax_skb;
+ u16 size;
+ u32 header = get_unaligned_le32(skb->data + offset);
+
+ offset += sizeof(u32);
+
+ /* get the packet length */
+ size = (u16) (header & 0x7ff);
+ if (size != ((~header >> 16) & 0x07ff)) {
+ netdev_err(dev->net, "asix_rx_fixup() Bad Header Length\n");
+ return 0;
+ }
+
+ if ((size > dev->net->mtu + ETH_HLEN + VLAN_HLEN) ||
+ (size + offset > skb->len)) {
+ netdev_err(dev->net, "asix_rx_fixup() Bad RX Length %d\n",
+ size);
+ return 0;
+ }
+ ax_skb = netdev_alloc_skb_ip_align(dev->net, size);
+ if (!ax_skb)
+ return 0;
+
+ skb_put(ax_skb, size);
+ memcpy(ax_skb->data, skb->data + offset, size);
+ usbnet_skb_return(dev, ax_skb);
+
+ offset += (size + 1) & 0xfffe;
+ }
+
+ if (skb->len != offset) {
+ netdev_err(dev->net, "asix_rx_fixup() Bad SKB Length %d\n",
+ skb->len);
+ return 0;
+ }
+ return 1;
+}
+
+static struct sk_buff *asix_tx_fixup(struct usbnet *dev, struct sk_buff *skb,
+ gfp_t flags)
+{
+ int padlen;
+ int headroom = skb_headroom(skb);
+ int tailroom = skb_tailroom(skb);
+ u32 packet_len;
+ u32 padbytes = 0xffff0000;
+
+ padlen = ((skb->len + 4) & (dev->maxpacket - 1)) ? 0 : 4;
+
+ /* We need to push 4 bytes in front of frame (packet_len)
+ * and maybe add 4 bytes after the end (if padlen is 4)
+ *
+ * Avoid skb_copy_expand() expensive call, using following rules :
+ * - We are allowed to push 4 bytes in headroom if skb_header_cloned()
+ * is false (and if we have 4 bytes of headroom)
+ * - We are allowed to put 4 bytes at tail if skb_cloned()
+ * is false (and if we have 4 bytes of tailroom)
+ *
+ * TCP packets for example are cloned, but skb_header_release()
+ * was called in tcp stack, allowing us to use headroom for our needs.
+ */
+ if (!skb_header_cloned(skb) &&
+ !(padlen && skb_cloned(skb)) &&
+ headroom + tailroom >= 4 + padlen) {
+ /* following should not happen, but better be safe */
+ if (headroom < 4 ||
+ tailroom < padlen) {
+ skb->data = memmove(skb->head + 4, skb->data, skb->len);
+ skb_set_tail_pointer(skb, skb->len);
+ }
+ } else {
+ struct sk_buff *skb2;
+
+ skb2 = skb_copy_expand(skb, 4, padlen, flags);
+ dev_kfree_skb_any(skb);
+ skb = skb2;
+ if (!skb)
+ return NULL;
+ }
+
+ packet_len = ((skb->len ^ 0x0000ffff) << 16) + skb->len;
+ skb_push(skb, 4);
+ cpu_to_le32s(&packet_len);
+ skb_copy_to_linear_data(skb, &packet_len, sizeof(packet_len));
+
+ if (padlen) {
+ cpu_to_le32s(&padbytes);
+ memcpy(skb_tail_pointer(skb), &padbytes, sizeof(padbytes));
+ skb_put(skb, sizeof(padbytes));
+ }
+ return skb;
+}
+
+static void asix_status(struct usbnet *dev, struct urb *urb)
+{
+ struct ax88172_int_data *event;
+ int link;
+
+ if (urb->actual_length < 8)
+ return;
+
+ event = urb->transfer_buffer;
+ link = event->link & 0x01;
+ if (netif_carrier_ok(dev->net) != link) {
+ if (link) {
+ netif_carrier_on(dev->net);
+ usbnet_defer_kevent (dev, EVENT_LINK_RESET );
+ } else
+ netif_carrier_off(dev->net);
+ netdev_dbg(dev->net, "Link Status is: %d\n", link);
+ }
+}
+
+static inline int asix_set_sw_mii(struct usbnet *dev)
+{
+ int ret;
+ ret = asix_write_cmd(dev, AX_CMD_SET_SW_MII, 0x0000, 0, 0, NULL);
+ if (ret < 0)
+ netdev_err(dev->net, "Failed to enable software MII access\n");
+ return ret;
+}
+
+static inline int asix_set_hw_mii(struct usbnet *dev)
+{
+ int ret;
+ ret = asix_write_cmd(dev, AX_CMD_SET_HW_MII, 0x0000, 0, 0, NULL);
+ if (ret < 0)
+ netdev_err(dev->net, "Failed to enable hardware MII access\n");
+ return ret;
+}
+
+static inline int asix_get_phy_addr(struct usbnet *dev)
+{
+ u8 buf[2];
+ int ret = asix_read_cmd(dev, AX_CMD_READ_PHY_ID, 0, 0, 2, buf);
+
+ netdev_dbg(dev->net, "asix_get_phy_addr()\n");
+
+ if (ret < 0) {
+ netdev_err(dev->net, "Error reading PHYID register: %02x\n", ret);
+ goto out;
+ }
+ netdev_dbg(dev->net, "asix_get_phy_addr() returning 0x%04x\n",
+ *((__le16 *)buf));
+ ret = buf[1];
+
+out:
+ return ret;
+}
+
+static int asix_sw_reset(struct usbnet *dev, u8 flags)
+{
+ int ret;
+
+ ret = asix_write_cmd(dev, AX_CMD_SW_RESET, flags, 0, 0, NULL);
+ if (ret < 0)
+ netdev_err(dev->net, "Failed to send software reset: %02x\n", ret);
+
+ return ret;
+}
+
+static u16 asix_read_rx_ctl(struct usbnet *dev)
+{
+ __le16 v;
+ int ret = asix_read_cmd(dev, AX_CMD_READ_RX_CTL, 0, 0, 2, &v);
+
+ if (ret < 0) {
+ netdev_err(dev->net, "Error reading RX_CTL register: %02x\n", ret);
+ goto out;
+ }
+ ret = le16_to_cpu(v);
+out:
+ return ret;
+}
+
+static int asix_write_rx_ctl(struct usbnet *dev, u16 mode)
+{
+ int ret;
+
+ netdev_dbg(dev->net, "asix_write_rx_ctl() - mode = 0x%04x\n", mode);
+ ret = asix_write_cmd(dev, AX_CMD_WRITE_RX_CTL, mode, 0, 0, NULL);
+ if (ret < 0)
+ netdev_err(dev->net, "Failed to write RX_CTL mode to 0x%04x: %02x\n",
+ mode, ret);
+
+ return ret;
+}
+
+static u16 asix_read_medium_status(struct usbnet *dev)
+{
+ __le16 v;
+ int ret = asix_read_cmd(dev, AX_CMD_READ_MEDIUM_STATUS, 0, 0, 2, &v);
+
+ if (ret < 0) {
+ netdev_err(dev->net, "Error reading Medium Status register: %02x\n",
+ ret);
+ return ret; /* TODO: callers not checking for error ret */
+ }
+
+ return le16_to_cpu(v);
+
+}
+
+static int asix_write_medium_mode(struct usbnet *dev, u16 mode)
+{
+ int ret;
+
+ netdev_dbg(dev->net, "asix_write_medium_mode() - mode = 0x%04x\n", mode);
+ ret = asix_write_cmd(dev, AX_CMD_WRITE_MEDIUM_MODE, mode, 0, 0, NULL);
+ if (ret < 0)
+ netdev_err(dev->net, "Failed to write Medium Mode mode to 0x%04x: %02x\n",
+ mode, ret);
+
+ return ret;
+}
+
+static int asix_write_gpio(struct usbnet *dev, u16 value, int sleep)
+{
+ int ret;
+
+ netdev_dbg(dev->net, "asix_write_gpio() - value = 0x%04x\n", value);
+ ret = asix_write_cmd(dev, AX_CMD_WRITE_GPIOS, value, 0, 0, NULL);
+ if (ret < 0)
+ netdev_err(dev->net, "Failed to write GPIO value 0x%04x: %02x\n",
+ value, ret);
+
+ if (sleep)
+ msleep(sleep);
+
+ return ret;
+}
+
+/*
+ * AX88772 & AX88178 have a 16-bit RX_CTL value
+ */
+static void asix_set_multicast(struct net_device *net)
+{
+ struct usbnet *dev = netdev_priv(net);
+ struct asix_data *data = (struct asix_data *)&dev->data;
+ u16 rx_ctl = AX_DEFAULT_RX_CTL;
+
+ if (net->flags & IFF_PROMISC) {
+ rx_ctl |= AX_RX_CTL_PRO;
+ } else if (net->flags & IFF_ALLMULTI ||
+ netdev_mc_count(net) > AX_MAX_MCAST) {
+ rx_ctl |= AX_RX_CTL_AMALL;
+ } else if (netdev_mc_empty(net)) {
+ /* just broadcast and directed */
+ } else {
+ /* We use the 20 byte dev->data
+ * for our 8 byte filter buffer
+ * to avoid allocating memory that
+ * is tricky to free later */
+ struct netdev_hw_addr *ha;
+ u32 crc_bits;
+
+ memset(data->multi_filter, 0, AX_MCAST_FILTER_SIZE);
+
+ /* Build the multicast hash filter. */
+ netdev_for_each_mc_addr(ha, net) {
+ crc_bits = ether_crc(ETH_ALEN, ha->addr) >> 26;
+ data->multi_filter[crc_bits >> 3] |=
+ 1 << (crc_bits & 7);
+ }
+
+ asix_write_cmd_async(dev, AX_CMD_WRITE_MULTI_FILTER, 0, 0,
+ AX_MCAST_FILTER_SIZE, data->multi_filter);
+
+ rx_ctl |= AX_RX_CTL_AM;
+ }
+
+ asix_write_cmd_async(dev, AX_CMD_WRITE_RX_CTL, rx_ctl, 0, 0, NULL);
+}
+
+static int asix_mdio_read(struct net_device *netdev, int phy_id, int loc)
+{
+ struct usbnet *dev = netdev_priv(netdev);
+ __le16 res;
+
+ mutex_lock(&dev->phy_mutex);
+ asix_set_sw_mii(dev);
+ asix_read_cmd(dev, AX_CMD_READ_MII_REG, phy_id,
+ (__u16)loc, 2, &res);
+ asix_set_hw_mii(dev);
+ mutex_unlock(&dev->phy_mutex);
+
+ netdev_dbg(dev->net, "asix_mdio_read() phy_id=0x%02x, loc=0x%02x, returns=0x%04x\n",
+ phy_id, loc, le16_to_cpu(res));
+
+ return le16_to_cpu(res);
+}
+
+static void
+asix_mdio_write(struct net_device *netdev, int phy_id, int loc, int val)
+{
+ struct usbnet *dev = netdev_priv(netdev);
+ __le16 res = cpu_to_le16(val);
+
+ netdev_dbg(dev->net, "asix_mdio_write() phy_id=0x%02x, loc=0x%02x, val=0x%04x\n",
+ phy_id, loc, val);
+ mutex_lock(&dev->phy_mutex);
+ asix_set_sw_mii(dev);
+ asix_write_cmd(dev, AX_CMD_WRITE_MII_REG, phy_id, (__u16)loc, 2, &res);
+ asix_set_hw_mii(dev);
+ mutex_unlock(&dev->phy_mutex);
+}
+
+/* Get the PHY Identifier from the PHYSID1 & PHYSID2 MII registers */
+static u32 asix_get_phyid(struct usbnet *dev)
+{
+ int phy_reg;
+ u32 phy_id;
+ int i;
+
+ /* Poll for the rare case the FW or phy isn't ready yet. */
+ for (i = 0; i < 100; i++) {
+ phy_reg = asix_mdio_read(dev->net, dev->mii.phy_id, MII_PHYSID1);
+ if (phy_reg != 0 && phy_reg != 0xFFFF)
+ break;
+ mdelay(1);
+ }
+
+ if (phy_reg <= 0 || phy_reg == 0xFFFF)
+ return 0;
+
+ phy_id = (phy_reg & 0xffff) << 16;
+
+ phy_reg = asix_mdio_read(dev->net, dev->mii.phy_id, MII_PHYSID2);
+ if (phy_reg < 0)
+ return 0;
+
+ phy_id |= (phy_reg & 0xffff);
+
+ return phy_id;
+}
+
+static void
+asix_get_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo)
+{
+ struct usbnet *dev = netdev_priv(net);
+ u8 opt;
+
+ if (asix_read_cmd(dev, AX_CMD_READ_MONITOR_MODE, 0, 0, 1, &opt) < 0) {
+ wolinfo->supported = 0;
+ wolinfo->wolopts = 0;
+ return;
+ }
+ wolinfo->supported = WAKE_PHY | WAKE_MAGIC;
+ wolinfo->wolopts = 0;
+ if (opt & AX_MONITOR_LINK)
+ wolinfo->wolopts |= WAKE_PHY;
+ if (opt & AX_MONITOR_MAGIC)
+ wolinfo->wolopts |= WAKE_MAGIC;
+}
+
+static int
+asix_set_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo)
+{
+ struct usbnet *dev = netdev_priv(net);
+ u8 opt = 0;
+
+ if (wolinfo->wolopts & WAKE_PHY)
+ opt |= AX_MONITOR_LINK;
+ if (wolinfo->wolopts & WAKE_MAGIC)
+ opt |= AX_MONITOR_MAGIC;
+
+ if (asix_write_cmd(dev, AX_CMD_WRITE_MONITOR_MODE,
+ opt, 0, 0, NULL) < 0)
+ return -EINVAL;
+
+ return 0;
+}
+
+static int asix_get_eeprom_len(struct net_device *net)
+{
+ struct usbnet *dev = netdev_priv(net);
+ struct asix_data *data = (struct asix_data *)&dev->data;
+
+ return data->eeprom_len;
+}
+
+static int asix_get_eeprom(struct net_device *net,
+ struct ethtool_eeprom *eeprom, u8 *data)
+{
+ struct usbnet *dev = netdev_priv(net);
+ __le16 *ebuf = (__le16 *)data;
+ int i;
+
+ /* Crude hack to ensure that we don't overwrite memory
+ * if an odd length is supplied
+ */
+ if (eeprom->len % 2)
+ return -EINVAL;
+
+ eeprom->magic = AX_EEPROM_MAGIC;
+
+ /* ax8817x returns 2 bytes from eeprom on read */
+ for (i=0; i < eeprom->len / 2; i++) {
+ if (asix_read_cmd(dev, AX_CMD_READ_EEPROM,
+ eeprom->offset + i, 0, 2, &ebuf[i]) < 0)
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static void asix_get_drvinfo (struct net_device *net,
+ struct ethtool_drvinfo *info)
+{
+ struct usbnet *dev = netdev_priv(net);
+ struct asix_data *data = (struct asix_data *)&dev->data;
+
+ /* Inherit standard device info */
+ usbnet_get_drvinfo(net, info);
+ strncpy (info->driver, DRIVER_NAME, sizeof info->driver);
+ strncpy (info->version, DRIVER_VERSION, sizeof info->version);
+ info->eedump_len = data->eeprom_len;
+}
+
+static u32 asix_get_link(struct net_device *net)
+{
+ struct usbnet *dev = netdev_priv(net);
+
+ return mii_link_ok(&dev->mii);
+}
+
+static int asix_ioctl (struct net_device *net, struct ifreq *rq, int cmd)
+{
+ struct usbnet *dev = netdev_priv(net);
+
+ return generic_mii_ioctl(&dev->mii, if_mii(rq), cmd, NULL);
+}
+
+static int asix_set_mac_address(struct net_device *net, void *p)
+{
+ struct usbnet *dev = netdev_priv(net);
+ struct asix_data *data = (struct asix_data *)&dev->data;
+ struct sockaddr *addr = p;
+
+ if (netif_running(net))
+ return -EBUSY;
+ if (!is_valid_ether_addr(addr->sa_data))
+ return -EADDRNOTAVAIL;
+
+ memcpy(net->dev_addr, addr->sa_data, ETH_ALEN);
+
+ /* We use the 20 byte dev->data
+ * for our 6 byte mac buffer
+ * to avoid allocating memory that
+ * is tricky to free later */
+ memcpy(data->mac_addr, addr->sa_data, ETH_ALEN);
+ asix_write_cmd_async(dev, AX_CMD_WRITE_NODE_ID, 0, 0, ETH_ALEN,
+ data->mac_addr);
+
+ return 0;
+}
+
+/* We need to override some ethtool_ops so we require our
+ own structure so we don't interfere with other usbnet
+ devices that may be connected at the same time. */
+static const struct ethtool_ops ax88172_ethtool_ops = {
+ .get_drvinfo = asix_get_drvinfo,
+ .get_link = asix_get_link,
+ .get_msglevel = usbnet_get_msglevel,
+ .set_msglevel = usbnet_set_msglevel,
+ .get_wol = asix_get_wol,
+ .set_wol = asix_set_wol,
+ .get_eeprom_len = asix_get_eeprom_len,
+ .get_eeprom = asix_get_eeprom,
+ .get_settings = usbnet_get_settings,
+ .set_settings = usbnet_set_settings,
+ .nway_reset = usbnet_nway_reset,
+};
+
+static void ax88172_set_multicast(struct net_device *net)
+{
+ struct usbnet *dev = netdev_priv(net);
+ struct asix_data *data = (struct asix_data *)&dev->data;
+ u8 rx_ctl = 0x8c;
+
+ if (net->flags & IFF_PROMISC) {
+ rx_ctl |= 0x01;
+ } else if (net->flags & IFF_ALLMULTI ||
+ netdev_mc_count(net) > AX_MAX_MCAST) {
+ rx_ctl |= 0x02;
+ } else if (netdev_mc_empty(net)) {
+ /* just broadcast and directed */
+ } else {
+ /* We use the 20 byte dev->data
+ * for our 8 byte filter buffer
+ * to avoid allocating memory that
+ * is tricky to free later */
+ struct netdev_hw_addr *ha;
+ u32 crc_bits;
+
+ memset(data->multi_filter, 0, AX_MCAST_FILTER_SIZE);
+
+ /* Build the multicast hash filter. */
+ netdev_for_each_mc_addr(ha, net) {
+ crc_bits = ether_crc(ETH_ALEN, ha->addr) >> 26;
+ data->multi_filter[crc_bits >> 3] |=
+ 1 << (crc_bits & 7);
+ }
+
+ asix_write_cmd_async(dev, AX_CMD_WRITE_MULTI_FILTER, 0, 0,
+ AX_MCAST_FILTER_SIZE, data->multi_filter);
+
+ rx_ctl |= 0x10;
+ }
+
+ asix_write_cmd_async(dev, AX_CMD_WRITE_RX_CTL, rx_ctl, 0, 0, NULL);
+}
+
+static int ax88172_link_reset(struct usbnet *dev)
+{
+ u8 mode;
+ struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET };
+
+ mii_check_media(&dev->mii, 1, 1);
+ mii_ethtool_gset(&dev->mii, &ecmd);
+ mode = AX88172_MEDIUM_DEFAULT;
+
+ if (ecmd.duplex != DUPLEX_FULL)
+ mode |= ~AX88172_MEDIUM_FD;
+
+ netdev_dbg(dev->net, "ax88172_link_reset() speed: %u duplex: %d setting mode to 0x%04x\n",
+ ethtool_cmd_speed(&ecmd), ecmd.duplex, mode);
+
+ asix_write_medium_mode(dev, mode);
+
+ return 0;
+}
+
+static const struct net_device_ops ax88172_netdev_ops = {
+ .ndo_open = usbnet_open,
+ .ndo_stop = usbnet_stop,
+ .ndo_start_xmit = usbnet_start_xmit,
+ .ndo_tx_timeout = usbnet_tx_timeout,
+ .ndo_change_mtu = usbnet_change_mtu,
+ .ndo_set_mac_address = eth_mac_addr,
+ .ndo_validate_addr = eth_validate_addr,
+ .ndo_do_ioctl = asix_ioctl,
+ .ndo_set_rx_mode = ax88172_set_multicast,
+};
+
+static int ax88172_bind(struct usbnet *dev, struct usb_interface *intf)
+{
+ int ret = 0;
+ u8 buf[ETH_ALEN];
+ int i;
+ unsigned long gpio_bits = dev->driver_info->data;
+ struct asix_data *data = (struct asix_data *)&dev->data;
+
+ data->eeprom_len = AX88172_EEPROM_LEN;
+
+ usbnet_get_endpoints(dev,intf);
+
+ /* Toggle the GPIOs in a manufacturer/model specific way */
+ for (i = 2; i >= 0; i--) {
+ ret = asix_write_cmd(dev, AX_CMD_WRITE_GPIOS,
+ (gpio_bits >> (i * 8)) & 0xff, 0, 0, NULL);
+ if (ret < 0)
+ goto out;
+ msleep(5);
+ }
+
+ ret = asix_write_rx_ctl(dev, 0x80);
+ if (ret < 0)
+ goto out;
+
+ /* Get the MAC address */
+ ret = asix_read_cmd(dev, AX88172_CMD_READ_NODE_ID, 0, 0, ETH_ALEN, buf);
+ if (ret < 0) {
+ dbg("read AX_CMD_READ_NODE_ID failed: %d", ret);
+ goto out;
+ }
+ memcpy(dev->net->dev_addr, buf, ETH_ALEN);
+
+ /* Initialize MII structure */
+ dev->mii.dev = dev->net;
+ dev->mii.mdio_read = asix_mdio_read;
+ dev->mii.mdio_write = asix_mdio_write;
+ dev->mii.phy_id_mask = 0x3f;
+ dev->mii.reg_num_mask = 0x1f;
+ dev->mii.phy_id = asix_get_phy_addr(dev);
+
+ dev->net->netdev_ops = &ax88172_netdev_ops;
+ dev->net->ethtool_ops = &ax88172_ethtool_ops;
+ dev->net->needed_headroom = 4; /* cf asix_tx_fixup() */
+ dev->net->needed_tailroom = 4; /* cf asix_tx_fixup() */
+
+ asix_mdio_write(dev->net, dev->mii.phy_id, MII_BMCR, BMCR_RESET);
+ asix_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE,
+ ADVERTISE_ALL | ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
+ mii_nway_restart(&dev->mii);
+
+ return 0;
+
+out:
+ return ret;
+}
+
+static const struct ethtool_ops ax88772_ethtool_ops = {
+ .get_drvinfo = asix_get_drvinfo,
+ .get_link = asix_get_link,
+ .get_msglevel = usbnet_get_msglevel,
+ .set_msglevel = usbnet_set_msglevel,
+ .get_wol = asix_get_wol,
+ .set_wol = asix_set_wol,
+ .get_eeprom_len = asix_get_eeprom_len,
+ .get_eeprom = asix_get_eeprom,
+ .get_settings = usbnet_get_settings,
+ .set_settings = usbnet_set_settings,
+ .nway_reset = usbnet_nway_reset,
+};
+
+static int ax88772_link_reset(struct usbnet *dev)
+{
+ u16 mode;
+ struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET };
+
+ mii_check_media(&dev->mii, 1, 1);
+ mii_ethtool_gset(&dev->mii, &ecmd);
+ mode = AX88772_MEDIUM_DEFAULT;
+
+ if (ethtool_cmd_speed(&ecmd) != SPEED_100)
+ mode &= ~AX_MEDIUM_PS;
+
+ if (ecmd.duplex != DUPLEX_FULL)
+ mode &= ~AX_MEDIUM_FD;
+
+ netdev_dbg(dev->net, "ax88772_link_reset() speed: %u duplex: %d setting mode to 0x%04x\n",
+ ethtool_cmd_speed(&ecmd), ecmd.duplex, mode);
+
+ asix_write_medium_mode(dev, mode);
+
+ return 0;
+}
+
+static int ax88772_reset(struct usbnet *dev)
+{
+ struct asix_data *data = (struct asix_data *)&dev->data;
+ int ret, embd_phy;
+ u16 rx_ctl;
+
+ ret = asix_write_gpio(dev,
+ AX_GPIO_RSE | AX_GPIO_GPO_2 | AX_GPIO_GPO2EN, 5);
+ if (ret < 0)
+ goto out;
+
+ embd_phy = ((asix_get_phy_addr(dev) & 0x1f) == 0x10 ? 1 : 0);
+
+ ret = asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT, embd_phy, 0, 0, NULL);
+ if (ret < 0) {
+ dbg("Select PHY #1 failed: %d", ret);
+ goto out;
+ }
+
+ ret = asix_sw_reset(dev, AX_SWRESET_IPPD | AX_SWRESET_PRL);
+ if (ret < 0)
+ goto out;
+
+ msleep(150);
+
+ ret = asix_sw_reset(dev, AX_SWRESET_CLEAR);
+ if (ret < 0)
+ goto out;
+
+ msleep(150);
+
+ if (embd_phy) {
+ ret = asix_sw_reset(dev, AX_SWRESET_IPRL);
+ if (ret < 0)
+ goto out;
+ } else {
+ ret = asix_sw_reset(dev, AX_SWRESET_PRTE);
+ if (ret < 0)
+ goto out;
+ }
+
+ msleep(150);
+ rx_ctl = asix_read_rx_ctl(dev);
+ dbg("RX_CTL is 0x%04x after software reset", rx_ctl);
+ ret = asix_write_rx_ctl(dev, 0x0000);
+ if (ret < 0)
+ goto out;
+
+ rx_ctl = asix_read_rx_ctl(dev);
+ dbg("RX_CTL is 0x%04x setting to 0x0000", rx_ctl);
+
+ ret = asix_sw_reset(dev, AX_SWRESET_PRL);
+ if (ret < 0)
+ goto out;
+
+ msleep(150);
+
+ ret = asix_sw_reset(dev, AX_SWRESET_IPRL | AX_SWRESET_PRL);
+ if (ret < 0)
+ goto out;
+
+ msleep(150);
+
+ asix_mdio_write(dev->net, dev->mii.phy_id, MII_BMCR, BMCR_RESET);
+ asix_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE,
+ ADVERTISE_ALL | ADVERTISE_CSMA);
+ mii_nway_restart(&dev->mii);
+
+ ret = asix_write_medium_mode(dev, AX88772_MEDIUM_DEFAULT);
+ if (ret < 0)
+ goto out;
+
+ ret = asix_write_cmd(dev, AX_CMD_WRITE_IPG0,
+ AX88772_IPG0_DEFAULT | AX88772_IPG1_DEFAULT,
+ AX88772_IPG2_DEFAULT, 0, NULL);
+ if (ret < 0) {
+ dbg("Write IPG,IPG1,IPG2 failed: %d", ret);
+ goto out;
+ }
+
+ /* Rewrite MAC address */
+ memcpy(data->mac_addr, dev->net->dev_addr, ETH_ALEN);
+ ret = asix_write_cmd(dev, AX_CMD_WRITE_NODE_ID, 0, 0, ETH_ALEN,
+ data->mac_addr);
+ if (ret < 0)
+ goto out;
+
+ /* Set RX_CTL to default values with 2k buffer, and enable cactus */
+ ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL);
+ if (ret < 0)
+ goto out;
+
+ rx_ctl = asix_read_rx_ctl(dev);
+ dbg("RX_CTL is 0x%04x after all initializations", rx_ctl);
+
+ rx_ctl = asix_read_medium_status(dev);
+ dbg("Medium Status is 0x%04x after all initializations", rx_ctl);
+
+ return 0;
+
+out:
+ return ret;
+
+}
+
+static const struct net_device_ops ax88772_netdev_ops = {
+ .ndo_open = usbnet_open,
+ .ndo_stop = usbnet_stop,
+ .ndo_start_xmit = usbnet_start_xmit,
+ .ndo_tx_timeout = usbnet_tx_timeout,
+ .ndo_change_mtu = usbnet_change_mtu,
+ .ndo_set_mac_address = asix_set_mac_address,
+ .ndo_validate_addr = eth_validate_addr,
+ .ndo_do_ioctl = asix_ioctl,
+ .ndo_set_rx_mode = asix_set_multicast,
+};
+
+static int ax88772_bind(struct usbnet *dev, struct usb_interface *intf)
+{
+ int ret, embd_phy;
+ struct asix_data *data = (struct asix_data *)&dev->data;
+ u8 buf[ETH_ALEN];
+ u32 phyid;
+
+ data->eeprom_len = AX88772_EEPROM_LEN;
+
+ usbnet_get_endpoints(dev,intf);
+
+ /* Get the MAC address */
+ ret = asix_read_cmd(dev, AX_CMD_READ_NODE_ID, 0, 0, ETH_ALEN, buf);
+ if (ret < 0) {
+ dbg("Failed to read MAC address: %d", ret);
+ return ret;
+ }
+ memcpy(dev->net->dev_addr, buf, ETH_ALEN);
+
+ /* Initialize MII structure */
+ dev->mii.dev = dev->net;
+ dev->mii.mdio_read = asix_mdio_read;
+ dev->mii.mdio_write = asix_mdio_write;
+ dev->mii.phy_id_mask = 0x1f;
+ dev->mii.reg_num_mask = 0x1f;
+ dev->mii.phy_id = asix_get_phy_addr(dev);
+
+ dev->net->netdev_ops = &ax88772_netdev_ops;
+ dev->net->ethtool_ops = &ax88772_ethtool_ops;
+ dev->net->needed_headroom = 4; /* cf asix_tx_fixup() */
+ dev->net->needed_tailroom = 4; /* cf asix_tx_fixup() */
+
+ embd_phy = ((dev->mii.phy_id & 0x1f) == 0x10 ? 1 : 0);
+
+ /* Reset the PHY to normal operation mode */
+ ret = asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT, embd_phy, 0, 0, NULL);
+ if (ret < 0) {
+ dbg("Select PHY #1 failed: %d", ret);
+ return ret;
+ }
+
+ ret = asix_sw_reset(dev, AX_SWRESET_IPPD | AX_SWRESET_PRL);
+ if (ret < 0)
+ return ret;
+
+ msleep(150);
+
+ ret = asix_sw_reset(dev, AX_SWRESET_CLEAR);
+ if (ret < 0)
+ return ret;
+
+ msleep(150);
+
+ ret = asix_sw_reset(dev, embd_phy ? AX_SWRESET_IPRL : AX_SWRESET_PRTE);
+
+ /* Read PHYID register *AFTER* the PHY was reset properly */
+ phyid = asix_get_phyid(dev);
+ dbg("PHYID=0x%08x", phyid);
+
+ /* Asix framing packs multiple eth frames into a 2K usb bulk transfer */
+ if (dev->driver_info->flags & FLAG_FRAMING_AX) {
+ /* hard_mtu is still the default - the device does not support
+ jumbo eth frames */
+ dev->rx_urb_size = 2048;
+ }
+
+ return 0;
+}
+
+static const struct ethtool_ops ax88178_ethtool_ops = {
+ .get_drvinfo = asix_get_drvinfo,
+ .get_link = asix_get_link,
+ .get_msglevel = usbnet_get_msglevel,
+ .set_msglevel = usbnet_set_msglevel,
+ .get_wol = asix_get_wol,
+ .set_wol = asix_set_wol,
+ .get_eeprom_len = asix_get_eeprom_len,
+ .get_eeprom = asix_get_eeprom,
+ .get_settings = usbnet_get_settings,
+ .set_settings = usbnet_set_settings,
+ .nway_reset = usbnet_nway_reset,
+};
+
+static int marvell_phy_init(struct usbnet *dev)
+{
+ struct asix_data *data = (struct asix_data *)&dev->data;
+ u16 reg;
+
+ netdev_dbg(dev->net, "marvell_phy_init()\n");
+
+ reg = asix_mdio_read(dev->net, dev->mii.phy_id, MII_MARVELL_STATUS);
+ netdev_dbg(dev->net, "MII_MARVELL_STATUS = 0x%04x\n", reg);
+
+ asix_mdio_write(dev->net, dev->mii.phy_id, MII_MARVELL_CTRL,
+ MARVELL_CTRL_RXDELAY | MARVELL_CTRL_TXDELAY);
+
+ if (data->ledmode) {
+ reg = asix_mdio_read(dev->net, dev->mii.phy_id,
+ MII_MARVELL_LED_CTRL);
+ netdev_dbg(dev->net, "MII_MARVELL_LED_CTRL (1) = 0x%04x\n", reg);
+
+ reg &= 0xf8ff;
+ reg |= (1 + 0x0100);
+ asix_mdio_write(dev->net, dev->mii.phy_id,
+ MII_MARVELL_LED_CTRL, reg);
+
+ reg = asix_mdio_read(dev->net, dev->mii.phy_id,
+ MII_MARVELL_LED_CTRL);
+ netdev_dbg(dev->net, "MII_MARVELL_LED_CTRL (2) = 0x%04x\n", reg);
+ reg &= 0xfc0f;
+ }
+
+ return 0;
+}
+
+static int rtl8211cl_phy_init(struct usbnet *dev)
+{
+ struct asix_data *data = (struct asix_data *)&dev->data;
+
+ netdev_dbg(dev->net, "rtl8211cl_phy_init()\n");
+
+ asix_mdio_write (dev->net, dev->mii.phy_id, 0x1f, 0x0005);
+ asix_mdio_write (dev->net, dev->mii.phy_id, 0x0c, 0);
+ asix_mdio_write (dev->net, dev->mii.phy_id, 0x01,
+ asix_mdio_read (dev->net, dev->mii.phy_id, 0x01) | 0x0080);
+ asix_mdio_write (dev->net, dev->mii.phy_id, 0x1f, 0);
+
+ if (data->ledmode == 12) {
+ asix_mdio_write (dev->net, dev->mii.phy_id, 0x1f, 0x0002);
+ asix_mdio_write (dev->net, dev->mii.phy_id, 0x1a, 0x00cb);
+ asix_mdio_write (dev->net, dev->mii.phy_id, 0x1f, 0);
+ }
+
+ return 0;
+}
+
+static int marvell_led_status(struct usbnet *dev, u16 speed)
+{
+ u16 reg = asix_mdio_read(dev->net, dev->mii.phy_id, MARVELL_LED_MANUAL);
+
+ netdev_dbg(dev->net, "marvell_led_status() read 0x%04x\n", reg);
+
+ /* Clear out the center LED bits - 0x03F0 */
+ reg &= 0xfc0f;
+
+ switch (speed) {
+ case SPEED_1000:
+ reg |= 0x03e0;
+ break;
+ case SPEED_100:
+ reg |= 0x03b0;
+ break;
+ default:
+ reg |= 0x02f0;
+ }
+
+ netdev_dbg(dev->net, "marvell_led_status() writing 0x%04x\n", reg);
+ asix_mdio_write(dev->net, dev->mii.phy_id, MARVELL_LED_MANUAL, reg);
+
+ return 0;
+}
+
+static int ax88178_reset(struct usbnet *dev)
+{
+ struct asix_data *data = (struct asix_data *)&dev->data;
+ int ret;
+ __le16 eeprom;
+ u8 status;
+ int gpio0 = 0;
+ u32 phyid;
+
+ asix_read_cmd(dev, AX_CMD_READ_GPIOS, 0, 0, 1, &status);
+ dbg("GPIO Status: 0x%04x", status);
+
+ asix_write_cmd(dev, AX_CMD_WRITE_ENABLE, 0, 0, 0, NULL);
+ asix_read_cmd(dev, AX_CMD_READ_EEPROM, 0x0017, 0, 2, &eeprom);
+ asix_write_cmd(dev, AX_CMD_WRITE_DISABLE, 0, 0, 0, NULL);
+
+ dbg("EEPROM index 0x17 is 0x%04x", eeprom);
+
+ if (eeprom == cpu_to_le16(0xffff)) {
+ data->phymode = PHY_MODE_MARVELL;
+ data->ledmode = 0;
+ gpio0 = 1;
+ } else {
+ data->phymode = le16_to_cpu(eeprom) & 0x7F;
+ data->ledmode = le16_to_cpu(eeprom) >> 8;
+ gpio0 = (le16_to_cpu(eeprom) & 0x80) ? 0 : 1;
+ }
+ dbg("GPIO0: %d, PhyMode: %d", gpio0, data->phymode);
+
+ /* Power up external GigaPHY through AX88178 GPIO pin */
+ asix_write_gpio(dev, AX_GPIO_RSE | AX_GPIO_GPO_1 | AX_GPIO_GPO1EN, 40);
+ if ((le16_to_cpu(eeprom) >> 8) != 1) {
+ asix_write_gpio(dev, 0x003c, 30);
+ asix_write_gpio(dev, 0x001c, 300);
+ asix_write_gpio(dev, 0x003c, 30);
+ } else {
+ dbg("gpio phymode == 1 path");
+ asix_write_gpio(dev, AX_GPIO_GPO1EN, 30);
+ asix_write_gpio(dev, AX_GPIO_GPO1EN | AX_GPIO_GPO_1, 30);
+ }
+
+ /* Read PHYID register *AFTER* powering up PHY */
+ phyid = asix_get_phyid(dev);
+ dbg("PHYID=0x%08x", phyid);
+
+ /* Set AX88178 to enable MII/GMII/RGMII interface for external PHY */
+ asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT, 0, 0, 0, NULL);
+
+ asix_sw_reset(dev, 0);
+ msleep(150);
+
+ asix_sw_reset(dev, AX_SWRESET_PRL | AX_SWRESET_IPPD);
+ msleep(150);
+
+ asix_write_rx_ctl(dev, 0);
+
+ if (data->phymode == PHY_MODE_MARVELL) {
+ marvell_phy_init(dev);
+ msleep(60);
+ } else if (data->phymode == PHY_MODE_RTL8211CL)
+ rtl8211cl_phy_init(dev);
+
+ asix_mdio_write(dev->net, dev->mii.phy_id, MII_BMCR,
+ BMCR_RESET | BMCR_ANENABLE);
+ asix_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE,
+ ADVERTISE_ALL | ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
+ asix_mdio_write(dev->net, dev->mii.phy_id, MII_CTRL1000,
+ ADVERTISE_1000FULL);
+
+ mii_nway_restart(&dev->mii);
+
+ ret = asix_write_medium_mode(dev, AX88178_MEDIUM_DEFAULT);
+ if (ret < 0)
+ return ret;
+
+ /* Rewrite MAC address */
+ memcpy(data->mac_addr, dev->net->dev_addr, ETH_ALEN);
+ ret = asix_write_cmd(dev, AX_CMD_WRITE_NODE_ID, 0, 0, ETH_ALEN,
+ data->mac_addr);
+ if (ret < 0)
+ return ret;
+
+ ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
+static int ax88178_link_reset(struct usbnet *dev)
+{
+ u16 mode;
+ struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET };
+ struct asix_data *data = (struct asix_data *)&dev->data;
+ u32 speed;
+
+ netdev_dbg(dev->net, "ax88178_link_reset()\n");
+
+ mii_check_media(&dev->mii, 1, 1);
+ mii_ethtool_gset(&dev->mii, &ecmd);
+ mode = AX88178_MEDIUM_DEFAULT;
+ speed = ethtool_cmd_speed(&ecmd);
+
+ if (speed == SPEED_1000)
+ mode |= AX_MEDIUM_GM;
+ else if (speed == SPEED_100)
+ mode |= AX_MEDIUM_PS;
+ else
+ mode &= ~(AX_MEDIUM_PS | AX_MEDIUM_GM);
+
+ mode |= AX_MEDIUM_ENCK;
+
+ if (ecmd.duplex == DUPLEX_FULL)
+ mode |= AX_MEDIUM_FD;
+ else
+ mode &= ~AX_MEDIUM_FD;
+
+ netdev_dbg(dev->net, "ax88178_link_reset() speed: %u duplex: %d setting mode to 0x%04x\n",
+ speed, ecmd.duplex, mode);
+
+ asix_write_medium_mode(dev, mode);
+
+ if (data->phymode == PHY_MODE_MARVELL && data->ledmode)
+ marvell_led_status(dev, speed);
+
+ return 0;
+}
+
+static void ax88178_set_mfb(struct usbnet *dev)
+{
+ u16 mfb = AX_RX_CTL_MFB_16384;
+ u16 rxctl;
+ u16 medium;
+ int old_rx_urb_size = dev->rx_urb_size;
+
+ if (dev->hard_mtu < 2048) {
+ dev->rx_urb_size = 2048;
+ mfb = AX_RX_CTL_MFB_2048;
+ } else if (dev->hard_mtu < 4096) {
+ dev->rx_urb_size = 4096;
+ mfb = AX_RX_CTL_MFB_4096;
+ } else if (dev->hard_mtu < 8192) {
+ dev->rx_urb_size = 8192;
+ mfb = AX_RX_CTL_MFB_8192;
+ } else if (dev->hard_mtu < 16384) {
+ dev->rx_urb_size = 16384;
+ mfb = AX_RX_CTL_MFB_16384;
+ }
+
+ rxctl = asix_read_rx_ctl(dev);
+ asix_write_rx_ctl(dev, (rxctl & ~AX_RX_CTL_MFB_16384) | mfb);
+
+ medium = asix_read_medium_status(dev);
+ if (dev->net->mtu > 1500)
+ medium |= AX_MEDIUM_JFE;
+ else
+ medium &= ~AX_MEDIUM_JFE;
+ asix_write_medium_mode(dev, medium);
+
+ if (dev->rx_urb_size > old_rx_urb_size)
+ usbnet_unlink_rx_urbs(dev);
+}
+
+static int ax88178_change_mtu(struct net_device *net, int new_mtu)
+{
+ struct usbnet *dev = netdev_priv(net);
+ int ll_mtu = new_mtu + net->hard_header_len + 4;
+
+ netdev_dbg(dev->net, "ax88178_change_mtu() new_mtu=%d\n", new_mtu);
+
+ if (new_mtu <= 0 || ll_mtu > 16384)
+ return -EINVAL;
+
+ if ((ll_mtu % dev->maxpacket) == 0)
+ return -EDOM;
+
+ net->mtu = new_mtu;
+ dev->hard_mtu = net->mtu + net->hard_header_len;
+ ax88178_set_mfb(dev);
+
+ return 0;
+}
+
+static const struct net_device_ops ax88178_netdev_ops = {
+ .ndo_open = usbnet_open,
+ .ndo_stop = usbnet_stop,
+ .ndo_start_xmit = usbnet_start_xmit,
+ .ndo_tx_timeout = usbnet_tx_timeout,
+ .ndo_set_mac_address = asix_set_mac_address,
+ .ndo_validate_addr = eth_validate_addr,
+ .ndo_set_rx_mode = asix_set_multicast,
+ .ndo_do_ioctl = asix_ioctl,
+ .ndo_change_mtu = ax88178_change_mtu,
+};
+
+static int ax88178_bind(struct usbnet *dev, struct usb_interface *intf)
+{
+ int ret;
+ u8 buf[ETH_ALEN];
+ struct asix_data *data = (struct asix_data *)&dev->data;
+
+ data->eeprom_len = AX88772_EEPROM_LEN;
+
+ usbnet_get_endpoints(dev,intf);
+
+ /* Get the MAC address */
+ ret = asix_read_cmd(dev, AX_CMD_READ_NODE_ID, 0, 0, ETH_ALEN, buf);
+ if (ret < 0) {
+ dbg("Failed to read MAC address: %d", ret);
+ return ret;
+ }
+ memcpy(dev->net->dev_addr, buf, ETH_ALEN);
+
+ /* Initialize MII structure */
+ dev->mii.dev = dev->net;
+ dev->mii.mdio_read = asix_mdio_read;
+ dev->mii.mdio_write = asix_mdio_write;
+ dev->mii.phy_id_mask = 0x1f;
+ dev->mii.reg_num_mask = 0xff;
+ dev->mii.supports_gmii = 1;
+ dev->mii.phy_id = asix_get_phy_addr(dev);
+
+ dev->net->netdev_ops = &ax88178_netdev_ops;
+ dev->net->ethtool_ops = &ax88178_ethtool_ops;
+
+ /* Blink LEDS so users know driver saw dongle */
+ asix_sw_reset(dev, 0);
+ msleep(150);
+
+ asix_sw_reset(dev, AX_SWRESET_PRL | AX_SWRESET_IPPD);
+ msleep(150);
+
+ /* Asix framing packs multiple eth frames into a 2K usb bulk transfer */
+ if (dev->driver_info->flags & FLAG_FRAMING_AX) {
+ /* hard_mtu is still the default - the device does not support
+ jumbo eth frames */
+ dev->rx_urb_size = 2048;
+ }
+
+ return 0;
+}
+
+static const struct driver_info ax8817x_info = {
+ .description = "ASIX AX8817x USB 2.0 Ethernet",
+ .bind = ax88172_bind,
+ .status = asix_status,
+ .link_reset = ax88172_link_reset,
+ .reset = ax88172_link_reset,
+ .flags = FLAG_ETHER | FLAG_LINK_INTR,
+ .data = 0x00130103,
+};
+
+static const struct driver_info dlink_dub_e100_info = {
+ .description = "DLink DUB-E100 USB Ethernet",
+ .bind = ax88172_bind,
+ .status = asix_status,
+ .link_reset = ax88172_link_reset,
+ .reset = ax88172_link_reset,
+ .flags = FLAG_ETHER | FLAG_LINK_INTR,
+ .data = 0x009f9d9f,
+};
+
+static const struct driver_info netgear_fa120_info = {
+ .description = "Netgear FA-120 USB Ethernet",
+ .bind = ax88172_bind,
+ .status = asix_status,
+ .link_reset = ax88172_link_reset,
+ .reset = ax88172_link_reset,
+ .flags = FLAG_ETHER | FLAG_LINK_INTR,
+ .data = 0x00130103,
+};
+
+static const struct driver_info hawking_uf200_info = {
+ .description = "Hawking UF200 USB Ethernet",
+ .bind = ax88172_bind,
+ .status = asix_status,
+ .link_reset = ax88172_link_reset,
+ .reset = ax88172_link_reset,
+ .flags = FLAG_ETHER | FLAG_LINK_INTR,
+ .data = 0x001f1d1f,
+};
+
+static const struct driver_info ax88772_info = {
+ .description = "ASIX AX88772 USB 2.0 Ethernet",
+ .bind = ax88772_bind,
+ .status = asix_status,
+ .link_reset = ax88772_link_reset,
+ .reset = ax88772_reset,
+ .flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR | FLAG_MULTI_PACKET,
+ .rx_fixup = asix_rx_fixup,
+ .tx_fixup = asix_tx_fixup,
+};
+
+static const struct driver_info ax88178_info = {
+ .description = "ASIX AX88178 USB 2.0 Ethernet",
+ .bind = ax88178_bind,
+ .status = asix_status,
+ .link_reset = ax88178_link_reset,
+ .reset = ax88178_reset,
+ .flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR,
+ .rx_fixup = asix_rx_fixup,
+ .tx_fixup = asix_tx_fixup,
+};
+
+static const struct usb_device_id products [] = {
+{
+ // Linksys USB200M
+ USB_DEVICE (0x077b, 0x2226),
+ .driver_info = (unsigned long) &ax8817x_info,
+}, {
+ // Netgear FA120
+ USB_DEVICE (0x0846, 0x1040),
+ .driver_info = (unsigned long) &netgear_fa120_info,
+}, {
+ // DLink DUB-E100
+ USB_DEVICE (0x2001, 0x1a00),
+ .driver_info = (unsigned long) &dlink_dub_e100_info,
+}, {
+ // Intellinet, ST Lab USB Ethernet
+ USB_DEVICE (0x0b95, 0x1720),
+ .driver_info = (unsigned long) &ax8817x_info,
+}, {
+ // Hawking UF200, TrendNet TU2-ET100
+ USB_DEVICE (0x07b8, 0x420a),
+ .driver_info = (unsigned long) &hawking_uf200_info,
+}, {
+ // Billionton Systems, USB2AR
+ USB_DEVICE (0x08dd, 0x90ff),
+ .driver_info = (unsigned long) &ax8817x_info,
+}, {
+ // ATEN UC210T
+ USB_DEVICE (0x0557, 0x2009),
+ .driver_info = (unsigned long) &ax8817x_info,
+}, {
+ // Buffalo LUA-U2-KTX
+ USB_DEVICE (0x0411, 0x003d),
+ .driver_info = (unsigned long) &ax8817x_info,
+}, {
+ // Buffalo LUA-U2-GT 10/100/1000
+ USB_DEVICE (0x0411, 0x006e),
+ .driver_info = (unsigned long) &ax88178_info,
+}, {
+ // Sitecom LN-029 "USB 2.0 10/100 Ethernet adapter"
+ USB_DEVICE (0x6189, 0x182d),
+ .driver_info = (unsigned long) &ax8817x_info,
+}, {
+ // Sitecom LN-031 "USB 2.0 10/100/1000 Ethernet adapter"
+ USB_DEVICE (0x0df6, 0x0056),
+ .driver_info = (unsigned long) &ax88178_info,
+}, {
+ // corega FEther USB2-TX
+ USB_DEVICE (0x07aa, 0x0017),
+ .driver_info = (unsigned long) &ax8817x_info,
+}, {
+ // Surecom EP-1427X-2
+ USB_DEVICE (0x1189, 0x0893),
+ .driver_info = (unsigned long) &ax8817x_info,
+}, {
+ // goodway corp usb gwusb2e
+ USB_DEVICE (0x1631, 0x6200),
+ .driver_info = (unsigned long) &ax8817x_info,
+}, {
+ // JVC MP-PRX1 Port Replicator
+ USB_DEVICE (0x04f1, 0x3008),
+ .driver_info = (unsigned long) &ax8817x_info,
+}, {
+ // ASIX AX88772B 10/100
+ USB_DEVICE (0x0b95, 0x772b),
+ .driver_info = (unsigned long) &ax88772_info,
+}, {
+ // ASIX AX88772 10/100
+ USB_DEVICE (0x0b95, 0x7720),
+ .driver_info = (unsigned long) &ax88772_info,
+}, {
+ // ASIX AX88178 10/100/1000
+ USB_DEVICE (0x0b95, 0x1780),
+ .driver_info = (unsigned long) &ax88178_info,
+}, {
+ // Logitec LAN-GTJ/U2A
+ USB_DEVICE (0x0789, 0x0160),
+ .driver_info = (unsigned long) &ax88178_info,
+}, {
+ // Linksys USB200M Rev 2
+ USB_DEVICE (0x13b1, 0x0018),
+ .driver_info = (unsigned long) &ax88772_info,
+}, {
+ // 0Q0 cable ethernet
+ USB_DEVICE (0x1557, 0x7720),
+ .driver_info = (unsigned long) &ax88772_info,
+}, {
+ // DLink DUB-E100 H/W Ver B1
+ USB_DEVICE (0x07d1, 0x3c05),
+ .driver_info = (unsigned long) &ax88772_info,
+}, {
+ // DLink DUB-E100 H/W Ver B1 Alternate
+ USB_DEVICE (0x2001, 0x3c05),
+ .driver_info = (unsigned long) &ax88772_info,
+}, {
+ // Linksys USB1000
+ USB_DEVICE (0x1737, 0x0039),
+ .driver_info = (unsigned long) &ax88178_info,
+}, {
+ // IO-DATA ETG-US2
+ USB_DEVICE (0x04bb, 0x0930),
+ .driver_info = (unsigned long) &ax88178_info,
+}, {
+ // Belkin F5D5055
+ USB_DEVICE(0x050d, 0x5055),
+ .driver_info = (unsigned long) &ax88178_info,
+}, {
+ // Apple USB Ethernet Adapter
+ USB_DEVICE(0x05ac, 0x1402),
+ .driver_info = (unsigned long) &ax88772_info,
+}, {
+ // Cables-to-Go USB Ethernet Adapter
+ USB_DEVICE(0x0b95, 0x772a),
+ .driver_info = (unsigned long) &ax88772_info,
+}, {
+ // ABOCOM for pci
+ USB_DEVICE(0x14ea, 0xab11),
+ .driver_info = (unsigned long) &ax88178_info,
+}, {
+ // ASIX 88772a
+ USB_DEVICE(0x0db0, 0xa877),
+ .driver_info = (unsigned long) &ax88772_info,
+}, {
+ // Asus USB Ethernet Adapter
+ USB_DEVICE (0x0b95, 0x7e2b),
+ .driver_info = (unsigned long) &ax88772_info,
+},
+ { }, // END
+};
+MODULE_DEVICE_TABLE(usb, products);
+
+static struct usb_driver asix_driver = {
+ .name = DRIVER_NAME,
+ .id_table = products,
+ .probe = usbnet_probe,
+ .suspend = usbnet_suspend,
+ .resume = usbnet_resume,
+ .disconnect = usbnet_disconnect,
+ .supports_autosuspend = 1,
+ .disable_hub_initiated_lpm = 1,
+};
+
+module_usb_driver(asix_driver);
+
+MODULE_AUTHOR("David Hollis");
+MODULE_VERSION(DRIVER_VERSION);
+MODULE_DESCRIPTION("ASIX AX8817X based USB 2.0 Ethernet Devices");
+MODULE_LICENSE("GPL");
+
--- /dev/null
+/*
+ * ASIX AX8817X based USB 2.0 Ethernet Devices
+ * Copyright (C) 2003-2006 David Hollis <dhollis@davehollis.com>
+ * Copyright (C) 2005 Phil Chang <pchang23@sbcglobal.net>
+ * Copyright (C) 2006 James Painter <jamie.painter@iname.com>
+ * Copyright (c) 2002-2003 TiVo Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+// #define DEBUG // error path messages, extra info
+// #define VERBOSE // more; success messages
+
+#include <linux/module.h>
+#include <linux/kmod.h>
+#include <linux/init.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/ethtool.h>
+#include <linux/workqueue.h>
+#include <linux/mii.h>
+#include <linux/usb.h>
+#include <linux/crc32.h>
+#include <linux/usb/usbnet.h>
+#include <linux/slab.h>
+#include <linux/if_vlan.h>
+
+#define DRIVER_VERSION "22-Dec-2011"
+#define DRIVER_NAME "asix"
+
+/* ASIX AX8817X based USB 2.0 Ethernet Devices */
+
+#define AX_CMD_SET_SW_MII 0x06
+#define AX_CMD_READ_MII_REG 0x07
+#define AX_CMD_WRITE_MII_REG 0x08
+#define AX_CMD_SET_HW_MII 0x0a
+#define AX_CMD_READ_EEPROM 0x0b
+#define AX_CMD_WRITE_EEPROM 0x0c
+#define AX_CMD_WRITE_ENABLE 0x0d
+#define AX_CMD_WRITE_DISABLE 0x0e
+#define AX_CMD_READ_RX_CTL 0x0f
+#define AX_CMD_WRITE_RX_CTL 0x10
+#define AX_CMD_READ_IPG012 0x11
+#define AX_CMD_WRITE_IPG0 0x12
+#define AX_CMD_WRITE_IPG1 0x13
+#define AX_CMD_READ_NODE_ID 0x13
+#define AX_CMD_WRITE_NODE_ID 0x14
+#define AX_CMD_WRITE_IPG2 0x14
+#define AX_CMD_WRITE_MULTI_FILTER 0x16
+#define AX88172_CMD_READ_NODE_ID 0x17
+#define AX_CMD_READ_PHY_ID 0x19
+#define AX_CMD_READ_MEDIUM_STATUS 0x1a
+#define AX_CMD_WRITE_MEDIUM_MODE 0x1b
+#define AX_CMD_READ_MONITOR_MODE 0x1c
+#define AX_CMD_WRITE_MONITOR_MODE 0x1d
+#define AX_CMD_READ_GPIOS 0x1e
+#define AX_CMD_WRITE_GPIOS 0x1f
+#define AX_CMD_SW_RESET 0x20
+#define AX_CMD_SW_PHY_STATUS 0x21
+#define AX_CMD_SW_PHY_SELECT 0x22
+
+#define AX_MONITOR_MODE 0x01
+#define AX_MONITOR_LINK 0x02
+#define AX_MONITOR_MAGIC 0x04
+#define AX_MONITOR_HSFS 0x10
+
+/* AX88172 Medium Status Register values */
+#define AX88172_MEDIUM_FD 0x02
+#define AX88172_MEDIUM_TX 0x04
+#define AX88172_MEDIUM_FC 0x10
+#define AX88172_MEDIUM_DEFAULT \
+ ( AX88172_MEDIUM_FD | AX88172_MEDIUM_TX | AX88172_MEDIUM_FC )
+
+#define AX_MCAST_FILTER_SIZE 8
+#define AX_MAX_MCAST 64
+
+#define AX_SWRESET_CLEAR 0x00
+#define AX_SWRESET_RR 0x01
+#define AX_SWRESET_RT 0x02
+#define AX_SWRESET_PRTE 0x04
+#define AX_SWRESET_PRL 0x08
+#define AX_SWRESET_BZ 0x10
+#define AX_SWRESET_IPRL 0x20
+#define AX_SWRESET_IPPD 0x40
+
+#define AX88772_IPG0_DEFAULT 0x15
+#define AX88772_IPG1_DEFAULT 0x0c
+#define AX88772_IPG2_DEFAULT 0x12
+
+/* AX88772 & AX88178 Medium Mode Register */
+#define AX_MEDIUM_PF 0x0080
+#define AX_MEDIUM_JFE 0x0040
+#define AX_MEDIUM_TFC 0x0020
+#define AX_MEDIUM_RFC 0x0010
+#define AX_MEDIUM_ENCK 0x0008
+#define AX_MEDIUM_AC 0x0004
+#define AX_MEDIUM_FD 0x0002
+#define AX_MEDIUM_GM 0x0001
+#define AX_MEDIUM_SM 0x1000
+#define AX_MEDIUM_SBP 0x0800
+#define AX_MEDIUM_PS 0x0200
+#define AX_MEDIUM_RE 0x0100
+
+#define AX88178_MEDIUM_DEFAULT \
+ (AX_MEDIUM_PS | AX_MEDIUM_FD | AX_MEDIUM_AC | \
+ AX_MEDIUM_RFC | AX_MEDIUM_TFC | AX_MEDIUM_JFE | \
+ AX_MEDIUM_RE)
+
+#define AX88772_MEDIUM_DEFAULT \
+ (AX_MEDIUM_FD | AX_MEDIUM_RFC | \
+ AX_MEDIUM_TFC | AX_MEDIUM_PS | \
+ AX_MEDIUM_AC | AX_MEDIUM_RE)
+
+/* AX88772 & AX88178 RX_CTL values */
+#define AX_RX_CTL_SO 0x0080
+#define AX_RX_CTL_AP 0x0020
+#define AX_RX_CTL_AM 0x0010
+#define AX_RX_CTL_AB 0x0008
+#define AX_RX_CTL_SEP 0x0004
+#define AX_RX_CTL_AMALL 0x0002
+#define AX_RX_CTL_PRO 0x0001
+#define AX_RX_CTL_MFB_2048 0x0000
+#define AX_RX_CTL_MFB_4096 0x0100
+#define AX_RX_CTL_MFB_8192 0x0200
+#define AX_RX_CTL_MFB_16384 0x0300
+
+#define AX_DEFAULT_RX_CTL (AX_RX_CTL_SO | AX_RX_CTL_AB)
+
+/* GPIO 0 .. 2 toggles */
+#define AX_GPIO_GPO0EN 0x01 /* GPIO0 Output enable */
+#define AX_GPIO_GPO_0 0x02 /* GPIO0 Output value */
+#define AX_GPIO_GPO1EN 0x04 /* GPIO1 Output enable */
+#define AX_GPIO_GPO_1 0x08 /* GPIO1 Output value */
+#define AX_GPIO_GPO2EN 0x10 /* GPIO2 Output enable */
+#define AX_GPIO_GPO_2 0x20 /* GPIO2 Output value */
+#define AX_GPIO_RESERVED 0x40 /* Reserved */
+#define AX_GPIO_RSE 0x80 /* Reload serial EEPROM */
+
+#define AX_EEPROM_MAGIC 0xdeadbeef
+#define AX88172_EEPROM_LEN 0x40
+#define AX88772_EEPROM_LEN 0xff
+
+#define PHY_MODE_MARVELL 0x0000
+#define MII_MARVELL_LED_CTRL 0x0018
+#define MII_MARVELL_STATUS 0x001b
+#define MII_MARVELL_CTRL 0x0014
+
+#define MARVELL_LED_MANUAL 0x0019
+
+#define MARVELL_STATUS_HWCFG 0x0004
+
+#define MARVELL_CTRL_TXDELAY 0x0002
+#define MARVELL_CTRL_RXDELAY 0x0080
+
+#define PHY_MODE_RTL8211CL 0x000C
+
+/* This structure cannot exceed sizeof(unsigned long [5]) AKA 20 bytes */
+struct asix_data {
+ u8 multi_filter[AX_MCAST_FILTER_SIZE];
+ u8 mac_addr[ETH_ALEN];
+ u8 phymode;
+ u8 ledmode;
+ u8 eeprom_len;
+};
+
+struct ax88172_int_data {
+ __le16 res1;
+ u8 link;
+ __le16 res2;
+ u8 status;
+ __le16 res3;
+} __packed;
+
+static int asix_read_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
+ u16 size, void *data)
+{
+ void *buf;
+ int err = -ENOMEM;
+
+ netdev_dbg(dev->net, "asix_read_cmd() cmd=0x%02x value=0x%04x index=0x%04x size=%d\n",
+ cmd, value, index, size);
+
+ buf = kmalloc(size, GFP_KERNEL);
+ if (!buf)
+ goto out;
+
+ err = usb_control_msg(
+ dev->udev,
+ usb_rcvctrlpipe(dev->udev, 0),
+ cmd,
+ USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+ value,
+ index,
+ buf,
+ size,
+ USB_CTRL_GET_TIMEOUT);
+ if (err == size)
+ memcpy(data, buf, size);
+ else if (err >= 0)
+ err = -EINVAL;
+ kfree(buf);
+
+out:
+ return err;
+}
+
+static int asix_write_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
+ u16 size, void *data)
+{
+ void *buf = NULL;
+ int err = -ENOMEM;
+
+ netdev_dbg(dev->net, "asix_write_cmd() cmd=0x%02x value=0x%04x index=0x%04x size=%d\n",
+ cmd, value, index, size);
+
+ if (data) {
+ buf = kmemdup(data, size, GFP_KERNEL);
+ if (!buf)
+ goto out;
+ }
+
+ err = usb_control_msg(
+ dev->udev,
+ usb_sndctrlpipe(dev->udev, 0),
+ cmd,
+ USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+ value,
+ index,
+ buf,
+ size,
+ USB_CTRL_SET_TIMEOUT);
+ kfree(buf);
+
+out:
+ return err;
+}
+
+static void asix_async_cmd_callback(struct urb *urb)
+{
+ struct usb_ctrlrequest *req = (struct usb_ctrlrequest *)urb->context;
+ int status = urb->status;
+
+ if (status < 0)
+ printk(KERN_DEBUG "asix_async_cmd_callback() failed with %d",
+ status);
+
+ kfree(req);
+ usb_free_urb(urb);
+}
+
+static void
+asix_write_cmd_async(struct usbnet *dev, u8 cmd, u16 value, u16 index,
+ u16 size, void *data)
+{
+ struct usb_ctrlrequest *req;
+ int status;
+ struct urb *urb;
+
+ netdev_dbg(dev->net, "asix_write_cmd_async() cmd=0x%02x value=0x%04x index=0x%04x size=%d\n",
+ cmd, value, index, size);
+
+ urb = usb_alloc_urb(0, GFP_ATOMIC);
+ if (!urb) {
+ netdev_err(dev->net, "Error allocating URB in write_cmd_async!\n");
+ return;
+ }
+
+ req = kmalloc(sizeof(struct usb_ctrlrequest), GFP_ATOMIC);
+ if (!req) {
+ netdev_err(dev->net, "Failed to allocate memory for control request\n");
+ usb_free_urb(urb);
+ return;
+ }
+
+ req->bRequestType = USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE;
+ req->bRequest = cmd;
+ req->wValue = cpu_to_le16(value);
+ req->wIndex = cpu_to_le16(index);
+ req->wLength = cpu_to_le16(size);
+
+ usb_fill_control_urb(urb, dev->udev,
+ usb_sndctrlpipe(dev->udev, 0),
+ (void *)req, data, size,
+ asix_async_cmd_callback, req);
+
+ status = usb_submit_urb(urb, GFP_ATOMIC);
+ if (status < 0) {
+ netdev_err(dev->net, "Error submitting the control message: status=%d\n",
+ status);
+ kfree(req);
+ usb_free_urb(urb);
+ }
+}
+
+static int asix_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
+{
+ int offset = 0;
+
+ while (offset + sizeof(u32) < skb->len) {
+ struct sk_buff *ax_skb;
+ u16 size;
+ u32 header = get_unaligned_le32(skb->data + offset);
+
+ offset += sizeof(u32);
+
+ /* get the packet length */
+ size = (u16) (header & 0x7ff);
+ if (size != ((~header >> 16) & 0x07ff)) {
+ netdev_err(dev->net, "asix_rx_fixup() Bad Header Length\n");
+ return 0;
+ }
+
+ if ((size > dev->net->mtu + ETH_HLEN + VLAN_HLEN) ||
+ (size + offset > skb->len)) {
+ netdev_err(dev->net, "asix_rx_fixup() Bad RX Length %d\n",
+ size);
+ return 0;
+ }
+ ax_skb = netdev_alloc_skb_ip_align(dev->net, size);
+ if (!ax_skb)
+ return 0;
+
+ skb_put(ax_skb, size);
+ memcpy(ax_skb->data, skb->data + offset, size);
+ usbnet_skb_return(dev, ax_skb);
+
+ offset += (size + 1) & 0xfffe;
+ }
+
+ if (skb->len != offset) {
+ netdev_err(dev->net, "asix_rx_fixup() Bad SKB Length %d\n",
+ skb->len);
+ return 0;
+ }
+ return 1;
+}
+
+static struct sk_buff *asix_tx_fixup(struct usbnet *dev, struct sk_buff *skb,
+ gfp_t flags)
+{
+ int padlen;
+ int headroom = skb_headroom(skb);
+ int tailroom = skb_tailroom(skb);
+ u32 packet_len;
+ u32 padbytes = 0xffff0000;
+
+ padlen = ((skb->len + 4) & (dev->maxpacket - 1)) ? 0 : 4;
+
+ /* We need to push 4 bytes in front of frame (packet_len)
+ * and maybe add 4 bytes after the end (if padlen is 4)
+ *
+ * Avoid skb_copy_expand() expensive call, using following rules :
+ * - We are allowed to push 4 bytes in headroom if skb_header_cloned()
+ * is false (and if we have 4 bytes of headroom)
+ * - We are allowed to put 4 bytes at tail if skb_cloned()
+ * is false (and if we have 4 bytes of tailroom)
+ *
+ * TCP packets for example are cloned, but skb_header_release()
+ * was called in tcp stack, allowing us to use headroom for our needs.
+ */
+ if (!skb_header_cloned(skb) &&
+ !(padlen && skb_cloned(skb)) &&
+ headroom + tailroom >= 4 + padlen) {
+ /* following should not happen, but better be safe */
+ if (headroom < 4 ||
+ tailroom < padlen) {
+ skb->data = memmove(skb->head + 4, skb->data, skb->len);
+ skb_set_tail_pointer(skb, skb->len);
+ }
+ } else {
+ struct sk_buff *skb2;
+
+ skb2 = skb_copy_expand(skb, 4, padlen, flags);
+ dev_kfree_skb_any(skb);
+ skb = skb2;
+ if (!skb)
+ return NULL;
+ }
+
+ packet_len = ((skb->len ^ 0x0000ffff) << 16) + skb->len;
+ skb_push(skb, 4);
+ cpu_to_le32s(&packet_len);
+ skb_copy_to_linear_data(skb, &packet_len, sizeof(packet_len));
+
+ if (padlen) {
+ cpu_to_le32s(&padbytes);
+ memcpy(skb_tail_pointer(skb), &padbytes, sizeof(padbytes));
+ skb_put(skb, sizeof(padbytes));
+ }
+ return skb;
+}
+
+static void asix_status(struct usbnet *dev, struct urb *urb)
+{
+ struct ax88172_int_data *event;
+ int link;
+
+ if (urb->actual_length < 8)
+ return;
+
+ event = urb->transfer_buffer;
+ link = event->link & 0x01;
+ if (netif_carrier_ok(dev->net) != link) {
+ if (link) {
+ netif_carrier_on(dev->net);
+ usbnet_defer_kevent (dev, EVENT_LINK_RESET );
+ } else
+ netif_carrier_off(dev->net);
+ netdev_dbg(dev->net, "Link Status is: %d\n", link);
+ }
+}
+
+static inline int asix_set_sw_mii(struct usbnet *dev)
+{
+ int ret;
+ ret = asix_write_cmd(dev, AX_CMD_SET_SW_MII, 0x0000, 0, 0, NULL);
+ if (ret < 0)
+ netdev_err(dev->net, "Failed to enable software MII access\n");
+ return ret;
+}
+
+static inline int asix_set_hw_mii(struct usbnet *dev)
+{
+ int ret;
+ ret = asix_write_cmd(dev, AX_CMD_SET_HW_MII, 0x0000, 0, 0, NULL);
+ if (ret < 0)
+ netdev_err(dev->net, "Failed to enable hardware MII access\n");
+ return ret;
+}
+
+static inline int asix_get_phy_addr(struct usbnet *dev)
+{
+ u8 buf[2];
+ int ret = asix_read_cmd(dev, AX_CMD_READ_PHY_ID, 0, 0, 2, buf);
+
+ netdev_dbg(dev->net, "asix_get_phy_addr()\n");
+
+ if (ret < 0) {
+ netdev_err(dev->net, "Error reading PHYID register: %02x\n", ret);
+ goto out;
+ }
+ netdev_dbg(dev->net, "asix_get_phy_addr() returning 0x%04x\n",
+ *((__le16 *)buf));
+ ret = buf[1];
+
+out:
+ return ret;
+}
+
+static int asix_sw_reset(struct usbnet *dev, u8 flags)
+{
+ int ret;
+
+ ret = asix_write_cmd(dev, AX_CMD_SW_RESET, flags, 0, 0, NULL);
+ if (ret < 0)
+ netdev_err(dev->net, "Failed to send software reset: %02x\n", ret);
+
+ return ret;
+}
+
+static u16 asix_read_rx_ctl(struct usbnet *dev)
+{
+ __le16 v;
+ int ret = asix_read_cmd(dev, AX_CMD_READ_RX_CTL, 0, 0, 2, &v);
+
+ if (ret < 0) {
+ netdev_err(dev->net, "Error reading RX_CTL register: %02x\n", ret);
+ goto out;
+ }
+ ret = le16_to_cpu(v);
+out:
+ return ret;
+}
+
+static int asix_write_rx_ctl(struct usbnet *dev, u16 mode)
+{
+ int ret;
+
+ netdev_dbg(dev->net, "asix_write_rx_ctl() - mode = 0x%04x\n", mode);
+ ret = asix_write_cmd(dev, AX_CMD_WRITE_RX_CTL, mode, 0, 0, NULL);
+ if (ret < 0)
+ netdev_err(dev->net, "Failed to write RX_CTL mode to 0x%04x: %02x\n",
+ mode, ret);
+
+ return ret;
+}
+
+static u16 asix_read_medium_status(struct usbnet *dev)
+{
+ __le16 v;
+ int ret = asix_read_cmd(dev, AX_CMD_READ_MEDIUM_STATUS, 0, 0, 2, &v);
+
+ if (ret < 0) {
+ netdev_err(dev->net, "Error reading Medium Status register: %02x\n",
+ ret);
+ return ret; /* TODO: callers not checking for error ret */
+ }
+
+ return le16_to_cpu(v);
+
+}
+
+static int asix_write_medium_mode(struct usbnet *dev, u16 mode)
+{
+ int ret;
+
+ netdev_dbg(dev->net, "asix_write_medium_mode() - mode = 0x%04x\n", mode);
+ ret = asix_write_cmd(dev, AX_CMD_WRITE_MEDIUM_MODE, mode, 0, 0, NULL);
+ if (ret < 0)
+ netdev_err(dev->net, "Failed to write Medium Mode mode to 0x%04x: %02x\n",
+ mode, ret);
+
+ return ret;
+}
+
+static int asix_write_gpio(struct usbnet *dev, u16 value, int sleep)
+{
+ int ret;
+
+ netdev_dbg(dev->net, "asix_write_gpio() - value = 0x%04x\n", value);
+ ret = asix_write_cmd(dev, AX_CMD_WRITE_GPIOS, value, 0, 0, NULL);
+ if (ret < 0)
+ netdev_err(dev->net, "Failed to write GPIO value 0x%04x: %02x\n",
+ value, ret);
+
+ if (sleep)
+ msleep(sleep);
+
+ return ret;
+}
+
+/*
+ * AX88772 & AX88178 have a 16-bit RX_CTL value
+ */
+static void asix_set_multicast(struct net_device *net)
+{
+ struct usbnet *dev = netdev_priv(net);
+ struct asix_data *data = (struct asix_data *)&dev->data;
+ u16 rx_ctl = AX_DEFAULT_RX_CTL;
+
+ if (net->flags & IFF_PROMISC) {
+ rx_ctl |= AX_RX_CTL_PRO;
+ } else if (net->flags & IFF_ALLMULTI ||
+ netdev_mc_count(net) > AX_MAX_MCAST) {
+ rx_ctl |= AX_RX_CTL_AMALL;
+ } else if (netdev_mc_empty(net)) {
+ /* just broadcast and directed */
+ } else {
+ /* We use the 20 byte dev->data
+ * for our 8 byte filter buffer
+ * to avoid allocating memory that
+ * is tricky to free later */
+ struct netdev_hw_addr *ha;
+ u32 crc_bits;
+
+ memset(data->multi_filter, 0, AX_MCAST_FILTER_SIZE);
+
+ /* Build the multicast hash filter. */
+ netdev_for_each_mc_addr(ha, net) {
+ crc_bits = ether_crc(ETH_ALEN, ha->addr) >> 26;
+ data->multi_filter[crc_bits >> 3] |=
+ 1 << (crc_bits & 7);
+ }
+
+ asix_write_cmd_async(dev, AX_CMD_WRITE_MULTI_FILTER, 0, 0,
+ AX_MCAST_FILTER_SIZE, data->multi_filter);
+
+ rx_ctl |= AX_RX_CTL_AM;
+ }
+
+ asix_write_cmd_async(dev, AX_CMD_WRITE_RX_CTL, rx_ctl, 0, 0, NULL);
+}
+
+static int asix_mdio_read(struct net_device *netdev, int phy_id, int loc)
+{
+ struct usbnet *dev = netdev_priv(netdev);
+ __le16 res;
+
+ mutex_lock(&dev->phy_mutex);
+ asix_set_sw_mii(dev);
+ asix_read_cmd(dev, AX_CMD_READ_MII_REG, phy_id,
+ (__u16)loc, 2, &res);
+ asix_set_hw_mii(dev);
+ mutex_unlock(&dev->phy_mutex);
+
+ netdev_dbg(dev->net, "asix_mdio_read() phy_id=0x%02x, loc=0x%02x, returns=0x%04x\n",
+ phy_id, loc, le16_to_cpu(res));
+
+ return le16_to_cpu(res);
+}
+
+static void
+asix_mdio_write(struct net_device *netdev, int phy_id, int loc, int val)
+{
+ struct usbnet *dev = netdev_priv(netdev);
+ __le16 res = cpu_to_le16(val);
+
+ netdev_dbg(dev->net, "asix_mdio_write() phy_id=0x%02x, loc=0x%02x, val=0x%04x\n",
+ phy_id, loc, val);
+ mutex_lock(&dev->phy_mutex);
+ asix_set_sw_mii(dev);
+ asix_write_cmd(dev, AX_CMD_WRITE_MII_REG, phy_id, (__u16)loc, 2, &res);
+ asix_set_hw_mii(dev);
+ mutex_unlock(&dev->phy_mutex);
+}
+
+/* Get the PHY Identifier from the PHYSID1 & PHYSID2 MII registers */
+static u32 asix_get_phyid(struct usbnet *dev)
+{
+ int phy_reg;
+ u32 phy_id;
+ int i;
+
+ /* Poll for the rare case the FW or phy isn't ready yet. */
+ for (i = 0; i < 100; i++) {
+ phy_reg = asix_mdio_read(dev->net, dev->mii.phy_id, MII_PHYSID1);
+ if (phy_reg != 0 && phy_reg != 0xFFFF)
+ break;
+ mdelay(1);
+ }
+
+ if (phy_reg <= 0 || phy_reg == 0xFFFF)
+ return 0;
+
+ phy_id = (phy_reg & 0xffff) << 16;
+
+ phy_reg = asix_mdio_read(dev->net, dev->mii.phy_id, MII_PHYSID2);
+ if (phy_reg < 0)
+ return 0;
+
+ phy_id |= (phy_reg & 0xffff);
+
+ return phy_id;
+}
+
+static void
+asix_get_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo)
+{
+ struct usbnet *dev = netdev_priv(net);
+ u8 opt;
+
+ if (asix_read_cmd(dev, AX_CMD_READ_MONITOR_MODE, 0, 0, 1, &opt) < 0) {
+ wolinfo->supported = 0;
+ wolinfo->wolopts = 0;
+ return;
+ }
+ wolinfo->supported = WAKE_PHY | WAKE_MAGIC;
+ wolinfo->wolopts = 0;
+ if (opt & AX_MONITOR_LINK)
+ wolinfo->wolopts |= WAKE_PHY;
+ if (opt & AX_MONITOR_MAGIC)
+ wolinfo->wolopts |= WAKE_MAGIC;
+}
+
+static int
+asix_set_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo)
+{
+ struct usbnet *dev = netdev_priv(net);
+ u8 opt = 0;
+
+ if (wolinfo->wolopts & WAKE_PHY)
+ opt |= AX_MONITOR_LINK;
+ if (wolinfo->wolopts & WAKE_MAGIC)
+ opt |= AX_MONITOR_MAGIC;
+
+ if (asix_write_cmd(dev, AX_CMD_WRITE_MONITOR_MODE,
+ opt, 0, 0, NULL) < 0)
+ return -EINVAL;
+
+ return 0;
+}
+
+static int asix_get_eeprom_len(struct net_device *net)
+{
+ struct usbnet *dev = netdev_priv(net);
+ struct asix_data *data = (struct asix_data *)&dev->data;
+
+ return data->eeprom_len;
+}
+
+static int asix_get_eeprom(struct net_device *net,
+ struct ethtool_eeprom *eeprom, u8 *data)
+{
+ struct usbnet *dev = netdev_priv(net);
+ __le16 *ebuf = (__le16 *)data;
+ int i;
+
+ /* Crude hack to ensure that we don't overwrite memory
+ * if an odd length is supplied
+ */
+ if (eeprom->len % 2)
+ return -EINVAL;
+
+ eeprom->magic = AX_EEPROM_MAGIC;
+
+ /* ax8817x returns 2 bytes from eeprom on read */
+ for (i=0; i < eeprom->len / 2; i++) {
+ if (asix_read_cmd(dev, AX_CMD_READ_EEPROM,
+ eeprom->offset + i, 0, 2, &ebuf[i]) < 0)
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static void asix_get_drvinfo (struct net_device *net,
+ struct ethtool_drvinfo *info)
+{
+ struct usbnet *dev = netdev_priv(net);
+ struct asix_data *data = (struct asix_data *)&dev->data;
+
+ /* Inherit standard device info */
+ usbnet_get_drvinfo(net, info);
+ strncpy (info->driver, DRIVER_NAME, sizeof info->driver);
+ strncpy (info->version, DRIVER_VERSION, sizeof info->version);
+ info->eedump_len = data->eeprom_len;
+}
+
+static u32 asix_get_link(struct net_device *net)
+{
+ struct usbnet *dev = netdev_priv(net);
+
+ return mii_link_ok(&dev->mii);
+}
+
+static int asix_ioctl (struct net_device *net, struct ifreq *rq, int cmd)
+{
+ struct usbnet *dev = netdev_priv(net);
+
+ return generic_mii_ioctl(&dev->mii, if_mii(rq), cmd, NULL);
+}
+
+static int asix_set_mac_address(struct net_device *net, void *p)
+{
+ struct usbnet *dev = netdev_priv(net);
+ struct asix_data *data = (struct asix_data *)&dev->data;
+ struct sockaddr *addr = p;
+
+ if (netif_running(net))
+ return -EBUSY;
+ if (!is_valid_ether_addr(addr->sa_data))
+ return -EADDRNOTAVAIL;
+
+ memcpy(net->dev_addr, addr->sa_data, ETH_ALEN);
+
+ /* We use the 20 byte dev->data
+ * for our 6 byte mac buffer
+ * to avoid allocating memory that
+ * is tricky to free later */
+ memcpy(data->mac_addr, addr->sa_data, ETH_ALEN);
+ asix_write_cmd_async(dev, AX_CMD_WRITE_NODE_ID, 0, 0, ETH_ALEN,
+ data->mac_addr);
+
+ return 0;
+}
+
+/* We need to override some ethtool_ops so we require our
+ own structure so we don't interfere with other usbnet
+ devices that may be connected at the same time. */
+static const struct ethtool_ops ax88172_ethtool_ops = {
+ .get_drvinfo = asix_get_drvinfo,
+ .get_link = asix_get_link,
+ .get_msglevel = usbnet_get_msglevel,
+ .set_msglevel = usbnet_set_msglevel,
+ .get_wol = asix_get_wol,
+ .set_wol = asix_set_wol,
+ .get_eeprom_len = asix_get_eeprom_len,
+ .get_eeprom = asix_get_eeprom,
+ .get_settings = usbnet_get_settings,
+ .set_settings = usbnet_set_settings,
+ .nway_reset = usbnet_nway_reset,
+};
+
+static void ax88172_set_multicast(struct net_device *net)
+{
+ struct usbnet *dev = netdev_priv(net);
+ struct asix_data *data = (struct asix_data *)&dev->data;
+ u8 rx_ctl = 0x8c;
+
+ if (net->flags & IFF_PROMISC) {
+ rx_ctl |= 0x01;
+ } else if (net->flags & IFF_ALLMULTI ||
+ netdev_mc_count(net) > AX_MAX_MCAST) {
+ rx_ctl |= 0x02;
+ } else if (netdev_mc_empty(net)) {
+ /* just broadcast and directed */
+ } else {
+ /* We use the 20 byte dev->data
+ * for our 8 byte filter buffer
+ * to avoid allocating memory that
+ * is tricky to free later */
+ struct netdev_hw_addr *ha;
+ u32 crc_bits;
+
+ memset(data->multi_filter, 0, AX_MCAST_FILTER_SIZE);
+
+ /* Build the multicast hash filter. */
+ netdev_for_each_mc_addr(ha, net) {
+ crc_bits = ether_crc(ETH_ALEN, ha->addr) >> 26;
+ data->multi_filter[crc_bits >> 3] |=
+ 1 << (crc_bits & 7);
+ }
+
+ asix_write_cmd_async(dev, AX_CMD_WRITE_MULTI_FILTER, 0, 0,
+ AX_MCAST_FILTER_SIZE, data->multi_filter);
+
+ rx_ctl |= 0x10;
+ }
+
+ asix_write_cmd_async(dev, AX_CMD_WRITE_RX_CTL, rx_ctl, 0, 0, NULL);
+}
+
+static int ax88172_link_reset(struct usbnet *dev)
+{
+ u8 mode;
+ struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET };
+
+ mii_check_media(&dev->mii, 1, 1);
+ mii_ethtool_gset(&dev->mii, &ecmd);
+ mode = AX88172_MEDIUM_DEFAULT;
+
+ if (ecmd.duplex != DUPLEX_FULL)
+ mode |= ~AX88172_MEDIUM_FD;
+
+ netdev_dbg(dev->net, "ax88172_link_reset() speed: %u duplex: %d setting mode to 0x%04x\n",
+ ethtool_cmd_speed(&ecmd), ecmd.duplex, mode);
+
+ asix_write_medium_mode(dev, mode);
+
+ return 0;
+}
+
+static const struct net_device_ops ax88172_netdev_ops = {
+ .ndo_open = usbnet_open,
+ .ndo_stop = usbnet_stop,
+ .ndo_start_xmit = usbnet_start_xmit,
+ .ndo_tx_timeout = usbnet_tx_timeout,
+ .ndo_change_mtu = usbnet_change_mtu,
+ .ndo_set_mac_address = eth_mac_addr,
+ .ndo_validate_addr = eth_validate_addr,
+ .ndo_do_ioctl = asix_ioctl,
+ .ndo_set_rx_mode = ax88172_set_multicast,
+};
+
+static int ax88172_bind(struct usbnet *dev, struct usb_interface *intf)
+{
+ int ret = 0;
+ u8 buf[ETH_ALEN];
+ int i;
+ unsigned long gpio_bits = dev->driver_info->data;
+ struct asix_data *data = (struct asix_data *)&dev->data;
+
+ data->eeprom_len = AX88172_EEPROM_LEN;
+
+ usbnet_get_endpoints(dev,intf);
+
+ /* Toggle the GPIOs in a manufacturer/model specific way */
+ for (i = 2; i >= 0; i--) {
+ ret = asix_write_cmd(dev, AX_CMD_WRITE_GPIOS,
+ (gpio_bits >> (i * 8)) & 0xff, 0, 0, NULL);
+ if (ret < 0)
+ goto out;
+ msleep(5);
+ }
+
+ ret = asix_write_rx_ctl(dev, 0x80);
+ if (ret < 0)
+ goto out;
+
+ /* Get the MAC address */
+ ret = asix_read_cmd(dev, AX88172_CMD_READ_NODE_ID, 0, 0, ETH_ALEN, buf);
+ if (ret < 0) {
+ dbg("read AX_CMD_READ_NODE_ID failed: %d", ret);
+ goto out;
+ }
+ memcpy(dev->net->dev_addr, buf, ETH_ALEN);
+
+ /* Initialize MII structure */
+ dev->mii.dev = dev->net;
+ dev->mii.mdio_read = asix_mdio_read;
+ dev->mii.mdio_write = asix_mdio_write;
+ dev->mii.phy_id_mask = 0x3f;
+ dev->mii.reg_num_mask = 0x1f;
+ dev->mii.phy_id = asix_get_phy_addr(dev);
+
+ dev->net->netdev_ops = &ax88172_netdev_ops;
+ dev->net->ethtool_ops = &ax88172_ethtool_ops;
+ dev->net->needed_headroom = 4; /* cf asix_tx_fixup() */
+ dev->net->needed_tailroom = 4; /* cf asix_tx_fixup() */
+
+ asix_mdio_write(dev->net, dev->mii.phy_id, MII_BMCR, BMCR_RESET);
+ asix_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE,
+ ADVERTISE_ALL | ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
+ mii_nway_restart(&dev->mii);
+
+ return 0;
+
+out:
+ return ret;
+}
+
+static const struct ethtool_ops ax88772_ethtool_ops = {
+ .get_drvinfo = asix_get_drvinfo,
+ .get_link = asix_get_link,
+ .get_msglevel = usbnet_get_msglevel,
+ .set_msglevel = usbnet_set_msglevel,
+ .get_wol = asix_get_wol,
+ .set_wol = asix_set_wol,
+ .get_eeprom_len = asix_get_eeprom_len,
+ .get_eeprom = asix_get_eeprom,
+ .get_settings = usbnet_get_settings,
+ .set_settings = usbnet_set_settings,
+ .nway_reset = usbnet_nway_reset,
+};
+
+static int ax88772_link_reset(struct usbnet *dev)
+{
+ u16 mode;
+ struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET };
+
+ mii_check_media(&dev->mii, 1, 1);
+ mii_ethtool_gset(&dev->mii, &ecmd);
+ mode = AX88772_MEDIUM_DEFAULT;
+
+ if (ethtool_cmd_speed(&ecmd) != SPEED_100)
+ mode &= ~AX_MEDIUM_PS;
+
+ if (ecmd.duplex != DUPLEX_FULL)
+ mode &= ~AX_MEDIUM_FD;
+
+ netdev_dbg(dev->net, "ax88772_link_reset() speed: %u duplex: %d setting mode to 0x%04x\n",
+ ethtool_cmd_speed(&ecmd), ecmd.duplex, mode);
+
+ asix_write_medium_mode(dev, mode);
+
+ return 0;
+}
+
+static int ax88772_reset(struct usbnet *dev)
+{
+ struct asix_data *data = (struct asix_data *)&dev->data;
+ int ret, embd_phy;
+ u16 rx_ctl;
+
+ ret = asix_write_gpio(dev,
+ AX_GPIO_RSE | AX_GPIO_GPO_2 | AX_GPIO_GPO2EN, 5);
+ if (ret < 0)
+ goto out;
+
+ embd_phy = ((asix_get_phy_addr(dev) & 0x1f) == 0x10 ? 1 : 0);
+
+ ret = asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT, embd_phy, 0, 0, NULL);
+ if (ret < 0) {
+ dbg("Select PHY #1 failed: %d", ret);
+ goto out;
+ }
+
+ ret = asix_sw_reset(dev, AX_SWRESET_IPPD | AX_SWRESET_PRL);
+ if (ret < 0)
+ goto out;
+
+ msleep(150);
+
+ ret = asix_sw_reset(dev, AX_SWRESET_CLEAR);
+ if (ret < 0)
+ goto out;
+
+ msleep(150);
+
+ if (embd_phy) {
+ ret = asix_sw_reset(dev, AX_SWRESET_IPRL);
+ if (ret < 0)
+ goto out;
+ } else {
+ ret = asix_sw_reset(dev, AX_SWRESET_PRTE);
+ if (ret < 0)
+ goto out;
+ }
+
+ msleep(150);
+ rx_ctl = asix_read_rx_ctl(dev);
+ dbg("RX_CTL is 0x%04x after software reset", rx_ctl);
+ ret = asix_write_rx_ctl(dev, 0x0000);
+ if (ret < 0)
+ goto out;
+
+ rx_ctl = asix_read_rx_ctl(dev);
+ dbg("RX_CTL is 0x%04x setting to 0x0000", rx_ctl);
+
+ ret = asix_sw_reset(dev, AX_SWRESET_PRL);
+ if (ret < 0)
+ goto out;
+
+ msleep(150);
+
+ ret = asix_sw_reset(dev, AX_SWRESET_IPRL | AX_SWRESET_PRL);
+ if (ret < 0)
+ goto out;
+
+ msleep(150);
+
+ asix_mdio_write(dev->net, dev->mii.phy_id, MII_BMCR, BMCR_RESET);
+ asix_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE,
+ ADVERTISE_ALL | ADVERTISE_CSMA);
+ mii_nway_restart(&dev->mii);
+
+ ret = asix_write_medium_mode(dev, AX88772_MEDIUM_DEFAULT);
+ if (ret < 0)
+ goto out;
+
+ ret = asix_write_cmd(dev, AX_CMD_WRITE_IPG0,
+ AX88772_IPG0_DEFAULT | AX88772_IPG1_DEFAULT,
+ AX88772_IPG2_DEFAULT, 0, NULL);
+ if (ret < 0) {
+ dbg("Write IPG,IPG1,IPG2 failed: %d", ret);
+ goto out;
+ }
+
+ /* Rewrite MAC address */
+ memcpy(data->mac_addr, dev->net->dev_addr, ETH_ALEN);
+ ret = asix_write_cmd(dev, AX_CMD_WRITE_NODE_ID, 0, 0, ETH_ALEN,
+ data->mac_addr);
+ if (ret < 0)
+ goto out;
+
+ /* Set RX_CTL to default values with 2k buffer, and enable cactus */
+ ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL);
+ if (ret < 0)
+ goto out;
+
+ rx_ctl = asix_read_rx_ctl(dev);
+ dbg("RX_CTL is 0x%04x after all initializations", rx_ctl);
+
+ rx_ctl = asix_read_medium_status(dev);
+ dbg("Medium Status is 0x%04x after all initializations", rx_ctl);
+
+ return 0;
+
+out:
+ return ret;
+
+}
+
+static const struct net_device_ops ax88772_netdev_ops = {
+ .ndo_open = usbnet_open,
+ .ndo_stop = usbnet_stop,
+ .ndo_start_xmit = usbnet_start_xmit,
+ .ndo_tx_timeout = usbnet_tx_timeout,
+ .ndo_change_mtu = usbnet_change_mtu,
+ .ndo_set_mac_address = asix_set_mac_address,
+ .ndo_validate_addr = eth_validate_addr,
+ .ndo_do_ioctl = asix_ioctl,
+ .ndo_set_rx_mode = asix_set_multicast,
+};
+
+static int ax88772_bind(struct usbnet *dev, struct usb_interface *intf)
+{
+ int ret, embd_phy;
+ struct asix_data *data = (struct asix_data *)&dev->data;
+ u8 buf[ETH_ALEN];
+ u32 phyid;
+
+ data->eeprom_len = AX88772_EEPROM_LEN;
+
+ usbnet_get_endpoints(dev,intf);
+
+ /* Get the MAC address */
+ ret = asix_read_cmd(dev, AX_CMD_READ_NODE_ID, 0, 0, ETH_ALEN, buf);
+ if (ret < 0) {
+ dbg("Failed to read MAC address: %d", ret);
+ return ret;
+ }
+ memcpy(dev->net->dev_addr, buf, ETH_ALEN);
+
+ /* Initialize MII structure */
+ dev->mii.dev = dev->net;
+ dev->mii.mdio_read = asix_mdio_read;
+ dev->mii.mdio_write = asix_mdio_write;
+ dev->mii.phy_id_mask = 0x1f;
+ dev->mii.reg_num_mask = 0x1f;
+ dev->mii.phy_id = asix_get_phy_addr(dev);
+
+ dev->net->netdev_ops = &ax88772_netdev_ops;
+ dev->net->ethtool_ops = &ax88772_ethtool_ops;
+ dev->net->needed_headroom = 4; /* cf asix_tx_fixup() */
+ dev->net->needed_tailroom = 4; /* cf asix_tx_fixup() */
+
+ embd_phy = ((dev->mii.phy_id & 0x1f) == 0x10 ? 1 : 0);
+
+ /* Reset the PHY to normal operation mode */
+ ret = asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT, embd_phy, 0, 0, NULL);
+ if (ret < 0) {
+ dbg("Select PHY #1 failed: %d", ret);
+ return ret;
+ }
+
+ ret = asix_sw_reset(dev, AX_SWRESET_IPPD | AX_SWRESET_PRL);
+ if (ret < 0)
+ return ret;
+
+ msleep(150);
+
+ ret = asix_sw_reset(dev, AX_SWRESET_CLEAR);
+ if (ret < 0)
+ return ret;
+
+ msleep(150);
+
+ ret = asix_sw_reset(dev, embd_phy ? AX_SWRESET_IPRL : AX_SWRESET_PRTE);
+
+ /* Read PHYID register *AFTER* the PHY was reset properly */
+ phyid = asix_get_phyid(dev);
+ dbg("PHYID=0x%08x", phyid);
+
+ /* Asix framing packs multiple eth frames into a 2K usb bulk transfer */
+ if (dev->driver_info->flags & FLAG_FRAMING_AX) {
+ /* hard_mtu is still the default - the device does not support
+ jumbo eth frames */
+ dev->rx_urb_size = 2048;
+ }
+
+ return 0;
+}
+
+static const struct ethtool_ops ax88178_ethtool_ops = {
+ .get_drvinfo = asix_get_drvinfo,
+ .get_link = asix_get_link,
+ .get_msglevel = usbnet_get_msglevel,
+ .set_msglevel = usbnet_set_msglevel,
+ .get_wol = asix_get_wol,
+ .set_wol = asix_set_wol,
+ .get_eeprom_len = asix_get_eeprom_len,
+ .get_eeprom = asix_get_eeprom,
+ .get_settings = usbnet_get_settings,
+ .set_settings = usbnet_set_settings,
+ .nway_reset = usbnet_nway_reset,
+};
+
+static int marvell_phy_init(struct usbnet *dev)
+{
+ struct asix_data *data = (struct asix_data *)&dev->data;
+ u16 reg;
+
+ netdev_dbg(dev->net, "marvell_phy_init()\n");
+
+ reg = asix_mdio_read(dev->net, dev->mii.phy_id, MII_MARVELL_STATUS);
+ netdev_dbg(dev->net, "MII_MARVELL_STATUS = 0x%04x\n", reg);
+
+ asix_mdio_write(dev->net, dev->mii.phy_id, MII_MARVELL_CTRL,
+ MARVELL_CTRL_RXDELAY | MARVELL_CTRL_TXDELAY);
+
+ if (data->ledmode) {
+ reg = asix_mdio_read(dev->net, dev->mii.phy_id,
+ MII_MARVELL_LED_CTRL);
+ netdev_dbg(dev->net, "MII_MARVELL_LED_CTRL (1) = 0x%04x\n", reg);
+
+ reg &= 0xf8ff;
+ reg |= (1 + 0x0100);
+ asix_mdio_write(dev->net, dev->mii.phy_id,
+ MII_MARVELL_LED_CTRL, reg);
+
+ reg = asix_mdio_read(dev->net, dev->mii.phy_id,
+ MII_MARVELL_LED_CTRL);
+ netdev_dbg(dev->net, "MII_MARVELL_LED_CTRL (2) = 0x%04x\n", reg);
+ reg &= 0xfc0f;
+ }
+
+ return 0;
+}
+
+static int rtl8211cl_phy_init(struct usbnet *dev)
+{
+ struct asix_data *data = (struct asix_data *)&dev->data;
+
+ netdev_dbg(dev->net, "rtl8211cl_phy_init()\n");
+
+ asix_mdio_write (dev->net, dev->mii.phy_id, 0x1f, 0x0005);
+ asix_mdio_write (dev->net, dev->mii.phy_id, 0x0c, 0);
+ asix_mdio_write (dev->net, dev->mii.phy_id, 0x01,
+ asix_mdio_read (dev->net, dev->mii.phy_id, 0x01) | 0x0080);
+ asix_mdio_write (dev->net, dev->mii.phy_id, 0x1f, 0);
+
+ if (data->ledmode == 12) {
+ asix_mdio_write (dev->net, dev->mii.phy_id, 0x1f, 0x0002);
+ asix_mdio_write (dev->net, dev->mii.phy_id, 0x1a, 0x00cb);
+ asix_mdio_write (dev->net, dev->mii.phy_id, 0x1f, 0);
+ }
+
+ return 0;
+}
+
+static int marvell_led_status(struct usbnet *dev, u16 speed)
+{
+ u16 reg = asix_mdio_read(dev->net, dev->mii.phy_id, MARVELL_LED_MANUAL);
+
+ netdev_dbg(dev->net, "marvell_led_status() read 0x%04x\n", reg);
+
+ /* Clear out the center LED bits - 0x03F0 */
+ reg &= 0xfc0f;
+
+ switch (speed) {
+ case SPEED_1000:
+ reg |= 0x03e0;
+ break;
+ case SPEED_100:
+ reg |= 0x03b0;
+ break;
+ default:
+ reg |= 0x02f0;
+ }
+
+ netdev_dbg(dev->net, "marvell_led_status() writing 0x%04x\n", reg);
+ asix_mdio_write(dev->net, dev->mii.phy_id, MARVELL_LED_MANUAL, reg);
+
+ return 0;
+}
+
+static int ax88178_reset(struct usbnet *dev)
+{
+ struct asix_data *data = (struct asix_data *)&dev->data;
+ int ret;
+ __le16 eeprom;
+ u8 status;
+ int gpio0 = 0;
+ u32 phyid;
+
+ asix_read_cmd(dev, AX_CMD_READ_GPIOS, 0, 0, 1, &status);
+ dbg("GPIO Status: 0x%04x", status);
+
+ asix_write_cmd(dev, AX_CMD_WRITE_ENABLE, 0, 0, 0, NULL);
+ asix_read_cmd(dev, AX_CMD_READ_EEPROM, 0x0017, 0, 2, &eeprom);
+ asix_write_cmd(dev, AX_CMD_WRITE_DISABLE, 0, 0, 0, NULL);
+
+ dbg("EEPROM index 0x17 is 0x%04x", eeprom);
+
+ if (eeprom == cpu_to_le16(0xffff)) {
+ data->phymode = PHY_MODE_MARVELL;
+ data->ledmode = 0;
+ gpio0 = 1;
+ } else {
+ data->phymode = le16_to_cpu(eeprom) & 0x7F;
+ data->ledmode = le16_to_cpu(eeprom) >> 8;
+ gpio0 = (le16_to_cpu(eeprom) & 0x80) ? 0 : 1;
+ }
+ dbg("GPIO0: %d, PhyMode: %d", gpio0, data->phymode);
+
+ /* Power up external GigaPHY through AX88178 GPIO pin */
+ asix_write_gpio(dev, AX_GPIO_RSE | AX_GPIO_GPO_1 | AX_GPIO_GPO1EN, 40);
+ if ((le16_to_cpu(eeprom) >> 8) != 1) {
+ asix_write_gpio(dev, 0x003c, 30);
+ asix_write_gpio(dev, 0x001c, 300);
+ asix_write_gpio(dev, 0x003c, 30);
+ } else {
+ dbg("gpio phymode == 1 path");
+ asix_write_gpio(dev, AX_GPIO_GPO1EN, 30);
+ asix_write_gpio(dev, AX_GPIO_GPO1EN | AX_GPIO_GPO_1, 30);
+ }
+
+ /* Read PHYID register *AFTER* powering up PHY */
+ phyid = asix_get_phyid(dev);
+ dbg("PHYID=0x%08x", phyid);
+
+ /* Set AX88178 to enable MII/GMII/RGMII interface for external PHY */
+ asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT, 0, 0, 0, NULL);
+
+ asix_sw_reset(dev, 0);
+ msleep(150);
+
+ asix_sw_reset(dev, AX_SWRESET_PRL | AX_SWRESET_IPPD);
+ msleep(150);
+
+ asix_write_rx_ctl(dev, 0);
+
+ if (data->phymode == PHY_MODE_MARVELL) {
+ marvell_phy_init(dev);
+ msleep(60);
+ } else if (data->phymode == PHY_MODE_RTL8211CL)
+ rtl8211cl_phy_init(dev);
+
+ asix_mdio_write(dev->net, dev->mii.phy_id, MII_BMCR,
+ BMCR_RESET | BMCR_ANENABLE);
+ asix_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE,
+ ADVERTISE_ALL | ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
+ asix_mdio_write(dev->net, dev->mii.phy_id, MII_CTRL1000,
+ ADVERTISE_1000FULL);
+
+ mii_nway_restart(&dev->mii);
+
+ ret = asix_write_medium_mode(dev, AX88178_MEDIUM_DEFAULT);
+ if (ret < 0)
+ return ret;
+
+ /* Rewrite MAC address */
+ memcpy(data->mac_addr, dev->net->dev_addr, ETH_ALEN);
+ ret = asix_write_cmd(dev, AX_CMD_WRITE_NODE_ID, 0, 0, ETH_ALEN,
+ data->mac_addr);
+ if (ret < 0)
+ return ret;
+
+ ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
+static int ax88178_link_reset(struct usbnet *dev)
+{
+ u16 mode;
+ struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET };
+ struct asix_data *data = (struct asix_data *)&dev->data;
+ u32 speed;
+
+ netdev_dbg(dev->net, "ax88178_link_reset()\n");
+
+ mii_check_media(&dev->mii, 1, 1);
+ mii_ethtool_gset(&dev->mii, &ecmd);
+ mode = AX88178_MEDIUM_DEFAULT;
+ speed = ethtool_cmd_speed(&ecmd);
+
+ if (speed == SPEED_1000)
+ mode |= AX_MEDIUM_GM;
+ else if (speed == SPEED_100)
+ mode |= AX_MEDIUM_PS;
+ else
+ mode &= ~(AX_MEDIUM_PS | AX_MEDIUM_GM);
+
+ mode |= AX_MEDIUM_ENCK;
+
+ if (ecmd.duplex == DUPLEX_FULL)
+ mode |= AX_MEDIUM_FD;
+ else
+ mode &= ~AX_MEDIUM_FD;
+
+ netdev_dbg(dev->net, "ax88178_link_reset() speed: %u duplex: %d setting mode to 0x%04x\n",
+ speed, ecmd.duplex, mode);
+
+ asix_write_medium_mode(dev, mode);
+
+ if (data->phymode == PHY_MODE_MARVELL && data->ledmode)
+ marvell_led_status(dev, speed);
+
+ return 0;
+}
+
+static void ax88178_set_mfb(struct usbnet *dev)
+{
+ u16 mfb = AX_RX_CTL_MFB_16384;
+ u16 rxctl;
+ u16 medium;
+ int old_rx_urb_size = dev->rx_urb_size;
+
+ if (dev->hard_mtu < 2048) {
+ dev->rx_urb_size = 2048;
+ mfb = AX_RX_CTL_MFB_2048;
+ } else if (dev->hard_mtu < 4096) {
+ dev->rx_urb_size = 4096;
+ mfb = AX_RX_CTL_MFB_4096;
+ } else if (dev->hard_mtu < 8192) {
+ dev->rx_urb_size = 8192;
+ mfb = AX_RX_CTL_MFB_8192;
+ } else if (dev->hard_mtu < 16384) {
+ dev->rx_urb_size = 16384;
+ mfb = AX_RX_CTL_MFB_16384;
+ }
+
+ rxctl = asix_read_rx_ctl(dev);
+ asix_write_rx_ctl(dev, (rxctl & ~AX_RX_CTL_MFB_16384) | mfb);
+
+ medium = asix_read_medium_status(dev);
+ if (dev->net->mtu > 1500)
+ medium |= AX_MEDIUM_JFE;
+ else
+ medium &= ~AX_MEDIUM_JFE;
+ asix_write_medium_mode(dev, medium);
+
+ if (dev->rx_urb_size > old_rx_urb_size)
+ usbnet_unlink_rx_urbs(dev);
+}
+
+static int ax88178_change_mtu(struct net_device *net, int new_mtu)
+{
+ struct usbnet *dev = netdev_priv(net);
+ int ll_mtu = new_mtu + net->hard_header_len + 4;
+
+ netdev_dbg(dev->net, "ax88178_change_mtu() new_mtu=%d\n", new_mtu);
+
+ if (new_mtu <= 0 || ll_mtu > 16384)
+ return -EINVAL;
+
+ if ((ll_mtu % dev->maxpacket) == 0)
+ return -EDOM;
+
+ net->mtu = new_mtu;
+ dev->hard_mtu = net->mtu + net->hard_header_len;
+ ax88178_set_mfb(dev);
+
+ return 0;
+}
+
+static const struct net_device_ops ax88178_netdev_ops = {
+ .ndo_open = usbnet_open,
+ .ndo_stop = usbnet_stop,
+ .ndo_start_xmit = usbnet_start_xmit,
+ .ndo_tx_timeout = usbnet_tx_timeout,
+ .ndo_set_mac_address = asix_set_mac_address,
+ .ndo_validate_addr = eth_validate_addr,
+ .ndo_set_rx_mode = asix_set_multicast,
+ .ndo_do_ioctl = asix_ioctl,
+ .ndo_change_mtu = ax88178_change_mtu,
+};
+
+static int ax88178_bind(struct usbnet *dev, struct usb_interface *intf)
+{
+ int ret;
+ u8 buf[ETH_ALEN];
+ struct asix_data *data = (struct asix_data *)&dev->data;
+
+ data->eeprom_len = AX88772_EEPROM_LEN;
+
+ usbnet_get_endpoints(dev,intf);
+
+ /* Get the MAC address */
+ ret = asix_read_cmd(dev, AX_CMD_READ_NODE_ID, 0, 0, ETH_ALEN, buf);
+ if (ret < 0) {
+ dbg("Failed to read MAC address: %d", ret);
+ return ret;
+ }
+ memcpy(dev->net->dev_addr, buf, ETH_ALEN);
+
+ /* Initialize MII structure */
+ dev->mii.dev = dev->net;
+ dev->mii.mdio_read = asix_mdio_read;
+ dev->mii.mdio_write = asix_mdio_write;
+ dev->mii.phy_id_mask = 0x1f;
+ dev->mii.reg_num_mask = 0xff;
+ dev->mii.supports_gmii = 1;
+ dev->mii.phy_id = asix_get_phy_addr(dev);
+
+ dev->net->netdev_ops = &ax88178_netdev_ops;
+ dev->net->ethtool_ops = &ax88178_ethtool_ops;
+
+ /* Blink LEDS so users know driver saw dongle */
+ asix_sw_reset(dev, 0);
+ msleep(150);
+
+ asix_sw_reset(dev, AX_SWRESET_PRL | AX_SWRESET_IPPD);
+ msleep(150);
+
+ /* Asix framing packs multiple eth frames into a 2K usb bulk transfer */
+ if (dev->driver_info->flags & FLAG_FRAMING_AX) {
+ /* hard_mtu is still the default - the device does not support
+ jumbo eth frames */
+ dev->rx_urb_size = 2048;
+ }
+
+ return 0;
+}
+
+static const struct driver_info ax8817x_info = {
+ .description = "ASIX AX8817x USB 2.0 Ethernet",
+ .bind = ax88172_bind,
+ .status = asix_status,
+ .link_reset = ax88172_link_reset,
+ .reset = ax88172_link_reset,
+ .flags = FLAG_ETHER | FLAG_LINK_INTR,
+ .data = 0x00130103,
+};
+
+static const struct driver_info dlink_dub_e100_info = {
+ .description = "DLink DUB-E100 USB Ethernet",
+ .bind = ax88172_bind,
+ .status = asix_status,
+ .link_reset = ax88172_link_reset,
+ .reset = ax88172_link_reset,
+ .flags = FLAG_ETHER | FLAG_LINK_INTR,
+ .data = 0x009f9d9f,
+};
+
+static const struct driver_info netgear_fa120_info = {
+ .description = "Netgear FA-120 USB Ethernet",
+ .bind = ax88172_bind,
+ .status = asix_status,
+ .link_reset = ax88172_link_reset,
+ .reset = ax88172_link_reset,
+ .flags = FLAG_ETHER | FLAG_LINK_INTR,
+ .data = 0x00130103,
+};
+
+static const struct driver_info hawking_uf200_info = {
+ .description = "Hawking UF200 USB Ethernet",
+ .bind = ax88172_bind,
+ .status = asix_status,
+ .link_reset = ax88172_link_reset,
+ .reset = ax88172_link_reset,
+ .flags = FLAG_ETHER | FLAG_LINK_INTR,
+ .data = 0x001f1d1f,
+};
+
+static const struct driver_info ax88772_info = {
+ .description = "ASIX AX88772 USB 2.0 Ethernet",
+ .bind = ax88772_bind,
+ .status = asix_status,
+ .link_reset = ax88772_link_reset,
+ .reset = ax88772_reset,
+ .flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR | FLAG_MULTI_PACKET,
+ .rx_fixup = asix_rx_fixup,
+ .tx_fixup = asix_tx_fixup,
+};
+
+static const struct driver_info ax88178_info = {
+ .description = "ASIX AX88178 USB 2.0 Ethernet",
+ .bind = ax88178_bind,
+ .status = asix_status,
+ .link_reset = ax88178_link_reset,
+ .reset = ax88178_reset,
+ .flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR,
+ .rx_fixup = asix_rx_fixup,
+ .tx_fixup = asix_tx_fixup,
+};
+
+static const struct usb_device_id products [] = {
+{
+ // Linksys USB200M
+ USB_DEVICE (0x077b, 0x2226),
+ .driver_info = (unsigned long) &ax8817x_info,
+}, {
+ // Netgear FA120
+ USB_DEVICE (0x0846, 0x1040),
+ .driver_info = (unsigned long) &netgear_fa120_info,
+}, {
+ // DLink DUB-E100
+ USB_DEVICE (0x2001, 0x1a00),
+ .driver_info = (unsigned long) &dlink_dub_e100_info,
+}, {
+ // Intellinet, ST Lab USB Ethernet
+ USB_DEVICE (0x0b95, 0x1720),
+ .driver_info = (unsigned long) &ax8817x_info,
+}, {
+ // Hawking UF200, TrendNet TU2-ET100
+ USB_DEVICE (0x07b8, 0x420a),
+ .driver_info = (unsigned long) &hawking_uf200_info,
+}, {
+ // Billionton Systems, USB2AR
+ USB_DEVICE (0x08dd, 0x90ff),
+ .driver_info = (unsigned long) &ax8817x_info,
+}, {
+ // ATEN UC210T
+ USB_DEVICE (0x0557, 0x2009),
+ .driver_info = (unsigned long) &ax8817x_info,
+}, {
+ // Buffalo LUA-U2-KTX
+ USB_DEVICE (0x0411, 0x003d),
+ .driver_info = (unsigned long) &ax8817x_info,
+}, {
+ // Buffalo LUA-U2-GT 10/100/1000
+ USB_DEVICE (0x0411, 0x006e),
+ .driver_info = (unsigned long) &ax88178_info,
+}, {
+ // Sitecom LN-029 "USB 2.0 10/100 Ethernet adapter"
+ USB_DEVICE (0x6189, 0x182d),
+ .driver_info = (unsigned long) &ax8817x_info,
+}, {
+ // Sitecom LN-031 "USB 2.0 10/100/1000 Ethernet adapter"
+ USB_DEVICE (0x0df6, 0x0056),
+ .driver_info = (unsigned long) &ax88178_info,
+}, {
+ // corega FEther USB2-TX
+ USB_DEVICE (0x07aa, 0x0017),
+ .driver_info = (unsigned long) &ax8817x_info,
+}, {
+ // Surecom EP-1427X-2
+ USB_DEVICE (0x1189, 0x0893),
+ .driver_info = (unsigned long) &ax8817x_info,
+}, {
+ // goodway corp usb gwusb2e
+ USB_DEVICE (0x1631, 0x6200),
+ .driver_info = (unsigned long) &ax8817x_info,
+}, {
+ // JVC MP-PRX1 Port Replicator
+ USB_DEVICE (0x04f1, 0x3008),
+ .driver_info = (unsigned long) &ax8817x_info,
+}, {
+ // ASIX AX88772B 10/100
+ USB_DEVICE (0x0b95, 0x772b),
+ .driver_info = (unsigned long) &ax88772_info,
+}, {
+ // ASIX AX88772 10/100
+ USB_DEVICE (0x0b95, 0x7720),
+ .driver_info = (unsigned long) &ax88772_info,
+}, {
+ // ASIX AX88178 10/100/1000
+ USB_DEVICE (0x0b95, 0x1780),
+ .driver_info = (unsigned long) &ax88178_info,
+}, {
+ // Logitec LAN-GTJ/U2A
+ USB_DEVICE (0x0789, 0x0160),
+ .driver_info = (unsigned long) &ax88178_info,
+}, {
+ // Linksys USB200M Rev 2
+ USB_DEVICE (0x13b1, 0x0018),
+ .driver_info = (unsigned long) &ax88772_info,
+}, {
+ // 0Q0 cable ethernet
+ USB_DEVICE (0x1557, 0x7720),
+ .driver_info = (unsigned long) &ax88772_info,
+}, {
+ // DLink DUB-E100 H/W Ver B1
+ USB_DEVICE (0x07d1, 0x3c05),
+ .driver_info = (unsigned long) &ax88772_info,
+}, {
+ // DLink DUB-E100 H/W Ver B1 Alternate
+ USB_DEVICE (0x2001, 0x3c05),
+ .driver_info = (unsigned long) &ax88772_info,
+}, {
+ // Linksys USB1000
+ USB_DEVICE (0x1737, 0x0039),
+ .driver_info = (unsigned long) &ax88178_info,
+}, {
+ // IO-DATA ETG-US2
+ USB_DEVICE (0x04bb, 0x0930),
+ .driver_info = (unsigned long) &ax88178_info,
+}, {
+ // Belkin F5D5055
+ USB_DEVICE(0x050d, 0x5055),
+ .driver_info = (unsigned long) &ax88178_info,
+}, {
+ // Apple USB Ethernet Adapter
+ USB_DEVICE(0x05ac, 0x1402),
+ .driver_info = (unsigned long) &ax88772_info,
+}, {
+ // Cables-to-Go USB Ethernet Adapter
+ USB_DEVICE(0x0b95, 0x772a),
+ .driver_info = (unsigned long) &ax88772_info,
+}, {
+ // ABOCOM for pci
+ USB_DEVICE(0x14ea, 0xab11),
+ .driver_info = (unsigned long) &ax88178_info,
+}, {
+ // ASIX 88772a
+ USB_DEVICE(0x0db0, 0xa877),
+ .driver_info = (unsigned long) &ax88772_info,
+}, {
+ // Asus USB Ethernet Adapter
+ USB_DEVICE (0x0b95, 0x7e2b),
+ .driver_info = (unsigned long) &ax88772_info,
+},
+ { }, // END
+};
+MODULE_DEVICE_TABLE(usb, products);
+
+static struct usb_driver asix_driver = {
+ .name = DRIVER_NAME,
+ .id_table = products,
+ .probe = usbnet_probe,
+ .suspend = usbnet_suspend,
+ .resume = usbnet_resume,
+ .disconnect = usbnet_disconnect,
+ .supports_autosuspend = 1,
+ .disable_hub_initiated_lpm = 1,
+};
+
+module_usb_driver(asix_driver);
+
+MODULE_AUTHOR("David Hollis");
+MODULE_VERSION(DRIVER_VERSION);
+MODULE_DESCRIPTION("ASIX AX8817X based USB 2.0 Ethernet Devices");
+MODULE_LICENSE("GPL");
+
--- /dev/null
+/*
+ * ASIX AX8817X based USB 2.0 Ethernet Devices
+ * Copyright (C) 2003-2006 David Hollis <dhollis@davehollis.com>
+ * Copyright (C) 2005 Phil Chang <pchang23@sbcglobal.net>
+ * Copyright (C) 2006 James Painter <jamie.painter@iname.com>
+ * Copyright (c) 2002-2003 TiVo Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+// #define DEBUG // error path messages, extra info
+// #define VERBOSE // more; success messages
+
+#include <linux/module.h>
+#include <linux/kmod.h>
+#include <linux/init.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/ethtool.h>
+#include <linux/workqueue.h>
+#include <linux/mii.h>
+#include <linux/usb.h>
+#include <linux/crc32.h>
+#include <linux/usb/usbnet.h>
+#include <linux/slab.h>
+#include <linux/if_vlan.h>
+
+#define DRIVER_VERSION "22-Dec-2011"
+#define DRIVER_NAME "asix"
+
+/* ASIX AX8817X based USB 2.0 Ethernet Devices */
+
+#define AX_CMD_SET_SW_MII 0x06
+#define AX_CMD_READ_MII_REG 0x07
+#define AX_CMD_WRITE_MII_REG 0x08
+#define AX_CMD_SET_HW_MII 0x0a
+#define AX_CMD_READ_EEPROM 0x0b
+#define AX_CMD_WRITE_EEPROM 0x0c
+#define AX_CMD_WRITE_ENABLE 0x0d
+#define AX_CMD_WRITE_DISABLE 0x0e
+#define AX_CMD_READ_RX_CTL 0x0f
+#define AX_CMD_WRITE_RX_CTL 0x10
+#define AX_CMD_READ_IPG012 0x11
+#define AX_CMD_WRITE_IPG0 0x12
+#define AX_CMD_WRITE_IPG1 0x13
+#define AX_CMD_READ_NODE_ID 0x13
+#define AX_CMD_WRITE_NODE_ID 0x14
+#define AX_CMD_WRITE_IPG2 0x14
+#define AX_CMD_WRITE_MULTI_FILTER 0x16
+#define AX88172_CMD_READ_NODE_ID 0x17
+#define AX_CMD_READ_PHY_ID 0x19
+#define AX_CMD_READ_MEDIUM_STATUS 0x1a
+#define AX_CMD_WRITE_MEDIUM_MODE 0x1b
+#define AX_CMD_READ_MONITOR_MODE 0x1c
+#define AX_CMD_WRITE_MONITOR_MODE 0x1d
+#define AX_CMD_READ_GPIOS 0x1e
+#define AX_CMD_WRITE_GPIOS 0x1f
+#define AX_CMD_SW_RESET 0x20
+#define AX_CMD_SW_PHY_STATUS 0x21
+#define AX_CMD_SW_PHY_SELECT 0x22
+
+#define AX_MONITOR_MODE 0x01
+#define AX_MONITOR_LINK 0x02
+#define AX_MONITOR_MAGIC 0x04
+#define AX_MONITOR_HSFS 0x10
+
+/* AX88172 Medium Status Register values */
+#define AX88172_MEDIUM_FD 0x02
+#define AX88172_MEDIUM_TX 0x04
+#define AX88172_MEDIUM_FC 0x10
+#define AX88172_MEDIUM_DEFAULT \
+ ( AX88172_MEDIUM_FD | AX88172_MEDIUM_TX | AX88172_MEDIUM_FC )
+
+#define AX_MCAST_FILTER_SIZE 8
+#define AX_MAX_MCAST 64
+
+#define AX_SWRESET_CLEAR 0x00
+#define AX_SWRESET_RR 0x01
+#define AX_SWRESET_RT 0x02
+#define AX_SWRESET_PRTE 0x04
+#define AX_SWRESET_PRL 0x08
+#define AX_SWRESET_BZ 0x10
+#define AX_SWRESET_IPRL 0x20
+#define AX_SWRESET_IPPD 0x40
+
+#define AX88772_IPG0_DEFAULT 0x15
+#define AX88772_IPG1_DEFAULT 0x0c
+#define AX88772_IPG2_DEFAULT 0x12
+
+/* AX88772 & AX88178 Medium Mode Register */
+#define AX_MEDIUM_PF 0x0080
+#define AX_MEDIUM_JFE 0x0040
+#define AX_MEDIUM_TFC 0x0020
+#define AX_MEDIUM_RFC 0x0010
+#define AX_MEDIUM_ENCK 0x0008
+#define AX_MEDIUM_AC 0x0004
+#define AX_MEDIUM_FD 0x0002
+#define AX_MEDIUM_GM 0x0001
+#define AX_MEDIUM_SM 0x1000
+#define AX_MEDIUM_SBP 0x0800
+#define AX_MEDIUM_PS 0x0200
+#define AX_MEDIUM_RE 0x0100
+
+#define AX88178_MEDIUM_DEFAULT \
+ (AX_MEDIUM_PS | AX_MEDIUM_FD | AX_MEDIUM_AC | \
+ AX_MEDIUM_RFC | AX_MEDIUM_TFC | AX_MEDIUM_JFE | \
+ AX_MEDIUM_RE)
+
+#define AX88772_MEDIUM_DEFAULT \
+ (AX_MEDIUM_FD | AX_MEDIUM_RFC | \
+ AX_MEDIUM_TFC | AX_MEDIUM_PS | \
+ AX_MEDIUM_AC | AX_MEDIUM_RE)
+
+/* AX88772 & AX88178 RX_CTL values */
+#define AX_RX_CTL_SO 0x0080
+#define AX_RX_CTL_AP 0x0020
+#define AX_RX_CTL_AM 0x0010
+#define AX_RX_CTL_AB 0x0008
+#define AX_RX_CTL_SEP 0x0004
+#define AX_RX_CTL_AMALL 0x0002
+#define AX_RX_CTL_PRO 0x0001
+#define AX_RX_CTL_MFB_2048 0x0000
+#define AX_RX_CTL_MFB_4096 0x0100
+#define AX_RX_CTL_MFB_8192 0x0200
+#define AX_RX_CTL_MFB_16384 0x0300
+
+#define AX_DEFAULT_RX_CTL (AX_RX_CTL_SO | AX_RX_CTL_AB)
+
+/* GPIO 0 .. 2 toggles */
+#define AX_GPIO_GPO0EN 0x01 /* GPIO0 Output enable */
+#define AX_GPIO_GPO_0 0x02 /* GPIO0 Output value */
+#define AX_GPIO_GPO1EN 0x04 /* GPIO1 Output enable */
+#define AX_GPIO_GPO_1 0x08 /* GPIO1 Output value */
+#define AX_GPIO_GPO2EN 0x10 /* GPIO2 Output enable */
+#define AX_GPIO_GPO_2 0x20 /* GPIO2 Output value */
+#define AX_GPIO_RESERVED 0x40 /* Reserved */
+#define AX_GPIO_RSE 0x80 /* Reload serial EEPROM */
+
+#define AX_EEPROM_MAGIC 0xdeadbeef
+#define AX88172_EEPROM_LEN 0x40
+#define AX88772_EEPROM_LEN 0xff
+
+#define PHY_MODE_MARVELL 0x0000
+#define MII_MARVELL_LED_CTRL 0x0018
+#define MII_MARVELL_STATUS 0x001b
+#define MII_MARVELL_CTRL 0x0014
+
+#define MARVELL_LED_MANUAL 0x0019
+
+#define MARVELL_STATUS_HWCFG 0x0004
+
+#define MARVELL_CTRL_TXDELAY 0x0002
+#define MARVELL_CTRL_RXDELAY 0x0080
+
+#define PHY_MODE_RTL8211CL 0x000C
+
+/* This structure cannot exceed sizeof(unsigned long [5]) AKA 20 bytes */
+struct asix_data {
+ u8 multi_filter[AX_MCAST_FILTER_SIZE];
+ u8 mac_addr[ETH_ALEN];
+ u8 phymode;
+ u8 ledmode;
+ u8 eeprom_len;
+};
+
+struct ax88172_int_data {
+ __le16 res1;
+ u8 link;
+ __le16 res2;
+ u8 status;
+ __le16 res3;
+} __packed;
+
+static int asix_read_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
+ u16 size, void *data)
+{
+ void *buf;
+ int err = -ENOMEM;
+
+ netdev_dbg(dev->net, "asix_read_cmd() cmd=0x%02x value=0x%04x index=0x%04x size=%d\n",
+ cmd, value, index, size);
+
+ buf = kmalloc(size, GFP_KERNEL);
+ if (!buf)
+ goto out;
+
+ err = usb_control_msg(
+ dev->udev,
+ usb_rcvctrlpipe(dev->udev, 0),
+ cmd,
+ USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+ value,
+ index,
+ buf,
+ size,
+ USB_CTRL_GET_TIMEOUT);
+ if (err == size)
+ memcpy(data, buf, size);
+ else if (err >= 0)
+ err = -EINVAL;
+ kfree(buf);
+
+out:
+ return err;
+}
+
+static int asix_write_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
+ u16 size, void *data)
+{
+ void *buf = NULL;
+ int err = -ENOMEM;
+
+ netdev_dbg(dev->net, "asix_write_cmd() cmd=0x%02x value=0x%04x index=0x%04x size=%d\n",
+ cmd, value, index, size);
+
+ if (data) {
+ buf = kmemdup(data, size, GFP_KERNEL);
+ if (!buf)
+ goto out;
+ }
+
+ err = usb_control_msg(
+ dev->udev,
+ usb_sndctrlpipe(dev->udev, 0),
+ cmd,
+ USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+ value,
+ index,
+ buf,
+ size,
+ USB_CTRL_SET_TIMEOUT);
+ kfree(buf);
+
+out:
+ return err;
+}
+
+static void asix_async_cmd_callback(struct urb *urb)
+{
+ struct usb_ctrlrequest *req = (struct usb_ctrlrequest *)urb->context;
+ int status = urb->status;
+
+ if (status < 0)
+ printk(KERN_DEBUG "asix_async_cmd_callback() failed with %d",
+ status);
+
+ kfree(req);
+ usb_free_urb(urb);
+}
+
+static void
+asix_write_cmd_async(struct usbnet *dev, u8 cmd, u16 value, u16 index,
+ u16 size, void *data)
+{
+ struct usb_ctrlrequest *req;
+ int status;
+ struct urb *urb;
+
+ netdev_dbg(dev->net, "asix_write_cmd_async() cmd=0x%02x value=0x%04x index=0x%04x size=%d\n",
+ cmd, value, index, size);
+
+ urb = usb_alloc_urb(0, GFP_ATOMIC);
+ if (!urb) {
+ netdev_err(dev->net, "Error allocating URB in write_cmd_async!\n");
+ return;
+ }
+
+ req = kmalloc(sizeof(struct usb_ctrlrequest), GFP_ATOMIC);
+ if (!req) {
+ netdev_err(dev->net, "Failed to allocate memory for control request\n");
+ usb_free_urb(urb);
+ return;
+ }
+
+ req->bRequestType = USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE;
+ req->bRequest = cmd;
+ req->wValue = cpu_to_le16(value);
+ req->wIndex = cpu_to_le16(index);
+ req->wLength = cpu_to_le16(size);
+
+ usb_fill_control_urb(urb, dev->udev,
+ usb_sndctrlpipe(dev->udev, 0),
+ (void *)req, data, size,
+ asix_async_cmd_callback, req);
+
+ status = usb_submit_urb(urb, GFP_ATOMIC);
+ if (status < 0) {
+ netdev_err(dev->net, "Error submitting the control message: status=%d\n",
+ status);
+ kfree(req);
+ usb_free_urb(urb);
+ }
+}
+
+static int asix_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
+{
+ int offset = 0;
+
+ while (offset + sizeof(u32) < skb->len) {
+ struct sk_buff *ax_skb;
+ u16 size;
+ u32 header = get_unaligned_le32(skb->data + offset);
+
+ offset += sizeof(u32);
+
+ /* get the packet length */
+ size = (u16) (header & 0x7ff);
+ if (size != ((~header >> 16) & 0x07ff)) {
+ netdev_err(dev->net, "asix_rx_fixup() Bad Header Length\n");
+ return 0;
+ }
+
+ if ((size > dev->net->mtu + ETH_HLEN + VLAN_HLEN) ||
+ (size + offset > skb->len)) {
+ netdev_err(dev->net, "asix_rx_fixup() Bad RX Length %d\n",
+ size);
+ return 0;
+ }
+ ax_skb = netdev_alloc_skb_ip_align(dev->net, size);
+ if (!ax_skb)
+ return 0;
+
+ skb_put(ax_skb, size);
+ memcpy(ax_skb->data, skb->data + offset, size);
+ usbnet_skb_return(dev, ax_skb);
+
+ offset += (size + 1) & 0xfffe;
+ }
+
+ if (skb->len != offset) {
+ netdev_err(dev->net, "asix_rx_fixup() Bad SKB Length %d\n",
+ skb->len);
+ return 0;
+ }
+ return 1;
+}
+
+static struct sk_buff *asix_tx_fixup(struct usbnet *dev, struct sk_buff *skb,
+ gfp_t flags)
+{
+ int padlen;
+ int headroom = skb_headroom(skb);
+ int tailroom = skb_tailroom(skb);
+ u32 packet_len;
+ u32 padbytes = 0xffff0000;
+
+ padlen = ((skb->len + 4) & (dev->maxpacket - 1)) ? 0 : 4;
+
+ /* We need to push 4 bytes in front of frame (packet_len)
+ * and maybe add 4 bytes after the end (if padlen is 4)
+ *
+ * Avoid skb_copy_expand() expensive call, using following rules :
+ * - We are allowed to push 4 bytes in headroom if skb_header_cloned()
+ * is false (and if we have 4 bytes of headroom)
+ * - We are allowed to put 4 bytes at tail if skb_cloned()
+ * is false (and if we have 4 bytes of tailroom)
+ *
+ * TCP packets for example are cloned, but skb_header_release()
+ * was called in tcp stack, allowing us to use headroom for our needs.
+ */
+ if (!skb_header_cloned(skb) &&
+ !(padlen && skb_cloned(skb)) &&
+ headroom + tailroom >= 4 + padlen) {
+ /* following should not happen, but better be safe */
+ if (headroom < 4 ||
+ tailroom < padlen) {
+ skb->data = memmove(skb->head + 4, skb->data, skb->len);
+ skb_set_tail_pointer(skb, skb->len);
+ }
+ } else {
+ struct sk_buff *skb2;
+
+ skb2 = skb_copy_expand(skb, 4, padlen, flags);
+ dev_kfree_skb_any(skb);
+ skb = skb2;
+ if (!skb)
+ return NULL;
+ }
+
+ packet_len = ((skb->len ^ 0x0000ffff) << 16) + skb->len;
+ skb_push(skb, 4);
+ cpu_to_le32s(&packet_len);
+ skb_copy_to_linear_data(skb, &packet_len, sizeof(packet_len));
+
+ if (padlen) {
+ cpu_to_le32s(&padbytes);
+ memcpy(skb_tail_pointer(skb), &padbytes, sizeof(padbytes));
+ skb_put(skb, sizeof(padbytes));
+ }
+ return skb;
+}
+
+static void asix_status(struct usbnet *dev, struct urb *urb)
+{
+ struct ax88172_int_data *event;
+ int link;
+
+ if (urb->actual_length < 8)
+ return;
+
+ event = urb->transfer_buffer;
+ link = event->link & 0x01;
+ if (netif_carrier_ok(dev->net) != link) {
+ if (link) {
+ netif_carrier_on(dev->net);
+ usbnet_defer_kevent (dev, EVENT_LINK_RESET );
+ } else
+ netif_carrier_off(dev->net);
+ netdev_dbg(dev->net, "Link Status is: %d\n", link);
+ }
+}
+
+static inline int asix_set_sw_mii(struct usbnet *dev)
+{
+ int ret;
+ ret = asix_write_cmd(dev, AX_CMD_SET_SW_MII, 0x0000, 0, 0, NULL);
+ if (ret < 0)
+ netdev_err(dev->net, "Failed to enable software MII access\n");
+ return ret;
+}
+
+static inline int asix_set_hw_mii(struct usbnet *dev)
+{
+ int ret;
+ ret = asix_write_cmd(dev, AX_CMD_SET_HW_MII, 0x0000, 0, 0, NULL);
+ if (ret < 0)
+ netdev_err(dev->net, "Failed to enable hardware MII access\n");
+ return ret;
+}
+
+static inline int asix_get_phy_addr(struct usbnet *dev)
+{
+ u8 buf[2];
+ int ret = asix_read_cmd(dev, AX_CMD_READ_PHY_ID, 0, 0, 2, buf);
+
+ netdev_dbg(dev->net, "asix_get_phy_addr()\n");
+
+ if (ret < 0) {
+ netdev_err(dev->net, "Error reading PHYID register: %02x\n", ret);
+ goto out;
+ }
+ netdev_dbg(dev->net, "asix_get_phy_addr() returning 0x%04x\n",
+ *((__le16 *)buf));
+ ret = buf[1];
+
+out:
+ return ret;
+}
+
+static int asix_sw_reset(struct usbnet *dev, u8 flags)
+{
+ int ret;
+
+ ret = asix_write_cmd(dev, AX_CMD_SW_RESET, flags, 0, 0, NULL);
+ if (ret < 0)
+ netdev_err(dev->net, "Failed to send software reset: %02x\n", ret);
+
+ return ret;
+}
+
+static u16 asix_read_rx_ctl(struct usbnet *dev)
+{
+ __le16 v;
+ int ret = asix_read_cmd(dev, AX_CMD_READ_RX_CTL, 0, 0, 2, &v);
+
+ if (ret < 0) {
+ netdev_err(dev->net, "Error reading RX_CTL register: %02x\n", ret);
+ goto out;
+ }
+ ret = le16_to_cpu(v);
+out:
+ return ret;
+}
+
+static int asix_write_rx_ctl(struct usbnet *dev, u16 mode)
+{
+ int ret;
+
+ netdev_dbg(dev->net, "asix_write_rx_ctl() - mode = 0x%04x\n", mode);
+ ret = asix_write_cmd(dev, AX_CMD_WRITE_RX_CTL, mode, 0, 0, NULL);
+ if (ret < 0)
+ netdev_err(dev->net, "Failed to write RX_CTL mode to 0x%04x: %02x\n",
+ mode, ret);
+
+ return ret;
+}
+
+static u16 asix_read_medium_status(struct usbnet *dev)
+{
+ __le16 v;
+ int ret = asix_read_cmd(dev, AX_CMD_READ_MEDIUM_STATUS, 0, 0, 2, &v);
+
+ if (ret < 0) {
+ netdev_err(dev->net, "Error reading Medium Status register: %02x\n",
+ ret);
+ return ret; /* TODO: callers not checking for error ret */
+ }
+
+ return le16_to_cpu(v);
+
+}
+
+static int asix_write_medium_mode(struct usbnet *dev, u16 mode)
+{
+ int ret;
+
+ netdev_dbg(dev->net, "asix_write_medium_mode() - mode = 0x%04x\n", mode);
+ ret = asix_write_cmd(dev, AX_CMD_WRITE_MEDIUM_MODE, mode, 0, 0, NULL);
+ if (ret < 0)
+ netdev_err(dev->net, "Failed to write Medium Mode mode to 0x%04x: %02x\n",
+ mode, ret);
+
+ return ret;
+}
+
+static int asix_write_gpio(struct usbnet *dev, u16 value, int sleep)
+{
+ int ret;
+
+ netdev_dbg(dev->net, "asix_write_gpio() - value = 0x%04x\n", value);
+ ret = asix_write_cmd(dev, AX_CMD_WRITE_GPIOS, value, 0, 0, NULL);
+ if (ret < 0)
+ netdev_err(dev->net, "Failed to write GPIO value 0x%04x: %02x\n",
+ value, ret);
+
+ if (sleep)
+ msleep(sleep);
+
+ return ret;
+}
+
+/*
+ * AX88772 & AX88178 have a 16-bit RX_CTL value
+ */
+static void asix_set_multicast(struct net_device *net)
+{
+ struct usbnet *dev = netdev_priv(net);
+ struct asix_data *data = (struct asix_data *)&dev->data;
+ u16 rx_ctl = AX_DEFAULT_RX_CTL;
+
+ if (net->flags & IFF_PROMISC) {
+ rx_ctl |= AX_RX_CTL_PRO;
+ } else if (net->flags & IFF_ALLMULTI ||
+ netdev_mc_count(net) > AX_MAX_MCAST) {
+ rx_ctl |= AX_RX_CTL_AMALL;
+ } else if (netdev_mc_empty(net)) {
+ /* just broadcast and directed */
+ } else {
+ /* We use the 20 byte dev->data
+ * for our 8 byte filter buffer
+ * to avoid allocating memory that
+ * is tricky to free later */
+ struct netdev_hw_addr *ha;
+ u32 crc_bits;
+
+ memset(data->multi_filter, 0, AX_MCAST_FILTER_SIZE);
+
+ /* Build the multicast hash filter. */
+ netdev_for_each_mc_addr(ha, net) {
+ crc_bits = ether_crc(ETH_ALEN, ha->addr) >> 26;
+ data->multi_filter[crc_bits >> 3] |=
+ 1 << (crc_bits & 7);
+ }
+
+ asix_write_cmd_async(dev, AX_CMD_WRITE_MULTI_FILTER, 0, 0,
+ AX_MCAST_FILTER_SIZE, data->multi_filter);
+
+ rx_ctl |= AX_RX_CTL_AM;
+ }
+
+ asix_write_cmd_async(dev, AX_CMD_WRITE_RX_CTL, rx_ctl, 0, 0, NULL);
+}
+
+static int asix_mdio_read(struct net_device *netdev, int phy_id, int loc)
+{
+ struct usbnet *dev = netdev_priv(netdev);
+ __le16 res;
+
+ mutex_lock(&dev->phy_mutex);
+ asix_set_sw_mii(dev);
+ asix_read_cmd(dev, AX_CMD_READ_MII_REG, phy_id,
+ (__u16)loc, 2, &res);
+ asix_set_hw_mii(dev);
+ mutex_unlock(&dev->phy_mutex);
+
+ netdev_dbg(dev->net, "asix_mdio_read() phy_id=0x%02x, loc=0x%02x, returns=0x%04x\n",
+ phy_id, loc, le16_to_cpu(res));
+
+ return le16_to_cpu(res);
+}
+
+static void
+asix_mdio_write(struct net_device *netdev, int phy_id, int loc, int val)
+{
+ struct usbnet *dev = netdev_priv(netdev);
+ __le16 res = cpu_to_le16(val);
+
+ netdev_dbg(dev->net, "asix_mdio_write() phy_id=0x%02x, loc=0x%02x, val=0x%04x\n",
+ phy_id, loc, val);
+ mutex_lock(&dev->phy_mutex);
+ asix_set_sw_mii(dev);
+ asix_write_cmd(dev, AX_CMD_WRITE_MII_REG, phy_id, (__u16)loc, 2, &res);
+ asix_set_hw_mii(dev);
+ mutex_unlock(&dev->phy_mutex);
+}
+
+/* Get the PHY Identifier from the PHYSID1 & PHYSID2 MII registers */
+static u32 asix_get_phyid(struct usbnet *dev)
+{
+ int phy_reg;
+ u32 phy_id;
+ int i;
+
+ /* Poll for the rare case the FW or phy isn't ready yet. */
+ for (i = 0; i < 100; i++) {
+ phy_reg = asix_mdio_read(dev->net, dev->mii.phy_id, MII_PHYSID1);
+ if (phy_reg != 0 && phy_reg != 0xFFFF)
+ break;
+ mdelay(1);
+ }
+
+ if (phy_reg <= 0 || phy_reg == 0xFFFF)
+ return 0;
+
+ phy_id = (phy_reg & 0xffff) << 16;
+
+ phy_reg = asix_mdio_read(dev->net, dev->mii.phy_id, MII_PHYSID2);
+ if (phy_reg < 0)
+ return 0;
+
+ phy_id |= (phy_reg & 0xffff);
+
+ return phy_id;
+}
+
+static void
+asix_get_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo)
+{
+ struct usbnet *dev = netdev_priv(net);
+ u8 opt;
+
+ if (asix_read_cmd(dev, AX_CMD_READ_MONITOR_MODE, 0, 0, 1, &opt) < 0) {
+ wolinfo->supported = 0;
+ wolinfo->wolopts = 0;
+ return;
+ }
+ wolinfo->supported = WAKE_PHY | WAKE_MAGIC;
+ wolinfo->wolopts = 0;
+ if (opt & AX_MONITOR_LINK)
+ wolinfo->wolopts |= WAKE_PHY;
+ if (opt & AX_MONITOR_MAGIC)
+ wolinfo->wolopts |= WAKE_MAGIC;
+}
+
+static int
+asix_set_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo)
+{
+ struct usbnet *dev = netdev_priv(net);
+ u8 opt = 0;
+
+ if (wolinfo->wolopts & WAKE_PHY)
+ opt |= AX_MONITOR_LINK;
+ if (wolinfo->wolopts & WAKE_MAGIC)
+ opt |= AX_MONITOR_MAGIC;
+
+ if (asix_write_cmd(dev, AX_CMD_WRITE_MONITOR_MODE,
+ opt, 0, 0, NULL) < 0)
+ return -EINVAL;
+
+ return 0;
+}
+
+static int asix_get_eeprom_len(struct net_device *net)
+{
+ struct usbnet *dev = netdev_priv(net);
+ struct asix_data *data = (struct asix_data *)&dev->data;
+
+ return data->eeprom_len;
+}
+
+static int asix_get_eeprom(struct net_device *net,
+ struct ethtool_eeprom *eeprom, u8 *data)
+{
+ struct usbnet *dev = netdev_priv(net);
+ __le16 *ebuf = (__le16 *)data;
+ int i;
+
+ /* Crude hack to ensure that we don't overwrite memory
+ * if an odd length is supplied
+ */
+ if (eeprom->len % 2)
+ return -EINVAL;
+
+ eeprom->magic = AX_EEPROM_MAGIC;
+
+ /* ax8817x returns 2 bytes from eeprom on read */
+ for (i=0; i < eeprom->len / 2; i++) {
+ if (asix_read_cmd(dev, AX_CMD_READ_EEPROM,
+ eeprom->offset + i, 0, 2, &ebuf[i]) < 0)
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static void asix_get_drvinfo (struct net_device *net,
+ struct ethtool_drvinfo *info)
+{
+ struct usbnet *dev = netdev_priv(net);
+ struct asix_data *data = (struct asix_data *)&dev->data;
+
+ /* Inherit standard device info */
+ usbnet_get_drvinfo(net, info);
+ strncpy (info->driver, DRIVER_NAME, sizeof info->driver);
+ strncpy (info->version, DRIVER_VERSION, sizeof info->version);
+ info->eedump_len = data->eeprom_len;
+}
+
+static u32 asix_get_link(struct net_device *net)
+{
+ struct usbnet *dev = netdev_priv(net);
+
+ return mii_link_ok(&dev->mii);
+}
+
+static int asix_ioctl (struct net_device *net, struct ifreq *rq, int cmd)
+{
+ struct usbnet *dev = netdev_priv(net);
+
+ return generic_mii_ioctl(&dev->mii, if_mii(rq), cmd, NULL);
+}
+
+static int asix_set_mac_address(struct net_device *net, void *p)
+{
+ struct usbnet *dev = netdev_priv(net);
+ struct asix_data *data = (struct asix_data *)&dev->data;
+ struct sockaddr *addr = p;
+
+ if (netif_running(net))
+ return -EBUSY;
+ if (!is_valid_ether_addr(addr->sa_data))
+ return -EADDRNOTAVAIL;
+
+ memcpy(net->dev_addr, addr->sa_data, ETH_ALEN);
+
+ /* We use the 20 byte dev->data
+ * for our 6 byte mac buffer
+ * to avoid allocating memory that
+ * is tricky to free later */
+ memcpy(data->mac_addr, addr->sa_data, ETH_ALEN);
+ asix_write_cmd_async(dev, AX_CMD_WRITE_NODE_ID, 0, 0, ETH_ALEN,
+ data->mac_addr);
+
+ return 0;
+}
+
+/* We need to override some ethtool_ops so we require our
+ own structure so we don't interfere with other usbnet
+ devices that may be connected at the same time. */
+static const struct ethtool_ops ax88172_ethtool_ops = {
+ .get_drvinfo = asix_get_drvinfo,
+ .get_link = asix_get_link,
+ .get_msglevel = usbnet_get_msglevel,
+ .set_msglevel = usbnet_set_msglevel,
+ .get_wol = asix_get_wol,
+ .set_wol = asix_set_wol,
+ .get_eeprom_len = asix_get_eeprom_len,
+ .get_eeprom = asix_get_eeprom,
+ .get_settings = usbnet_get_settings,
+ .set_settings = usbnet_set_settings,
+ .nway_reset = usbnet_nway_reset,
+};
+
+static void ax88172_set_multicast(struct net_device *net)
+{
+ struct usbnet *dev = netdev_priv(net);
+ struct asix_data *data = (struct asix_data *)&dev->data;
+ u8 rx_ctl = 0x8c;
+
+ if (net->flags & IFF_PROMISC) {
+ rx_ctl |= 0x01;
+ } else if (net->flags & IFF_ALLMULTI ||
+ netdev_mc_count(net) > AX_MAX_MCAST) {
+ rx_ctl |= 0x02;
+ } else if (netdev_mc_empty(net)) {
+ /* just broadcast and directed */
+ } else {
+ /* We use the 20 byte dev->data
+ * for our 8 byte filter buffer
+ * to avoid allocating memory that
+ * is tricky to free later */
+ struct netdev_hw_addr *ha;
+ u32 crc_bits;
+
+ memset(data->multi_filter, 0, AX_MCAST_FILTER_SIZE);
+
+ /* Build the multicast hash filter. */
+ netdev_for_each_mc_addr(ha, net) {
+ crc_bits = ether_crc(ETH_ALEN, ha->addr) >> 26;
+ data->multi_filter[crc_bits >> 3] |=
+ 1 << (crc_bits & 7);
+ }
+
+ asix_write_cmd_async(dev, AX_CMD_WRITE_MULTI_FILTER, 0, 0,
+ AX_MCAST_FILTER_SIZE, data->multi_filter);
+
+ rx_ctl |= 0x10;
+ }
+
+ asix_write_cmd_async(dev, AX_CMD_WRITE_RX_CTL, rx_ctl, 0, 0, NULL);
+}
+
+static int ax88172_link_reset(struct usbnet *dev)
+{
+ u8 mode;
+ struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET };
+
+ mii_check_media(&dev->mii, 1, 1);
+ mii_ethtool_gset(&dev->mii, &ecmd);
+ mode = AX88172_MEDIUM_DEFAULT;
+
+ if (ecmd.duplex != DUPLEX_FULL)
+ mode |= ~AX88172_MEDIUM_FD;
+
+ netdev_dbg(dev->net, "ax88172_link_reset() speed: %u duplex: %d setting mode to 0x%04x\n",
+ ethtool_cmd_speed(&ecmd), ecmd.duplex, mode);
+
+ asix_write_medium_mode(dev, mode);
+
+ return 0;
+}
+
+static const struct net_device_ops ax88172_netdev_ops = {
+ .ndo_open = usbnet_open,
+ .ndo_stop = usbnet_stop,
+ .ndo_start_xmit = usbnet_start_xmit,
+ .ndo_tx_timeout = usbnet_tx_timeout,
+ .ndo_change_mtu = usbnet_change_mtu,
+ .ndo_set_mac_address = eth_mac_addr,
+ .ndo_validate_addr = eth_validate_addr,
+ .ndo_do_ioctl = asix_ioctl,
+ .ndo_set_rx_mode = ax88172_set_multicast,
+};
+
+static int ax88172_bind(struct usbnet *dev, struct usb_interface *intf)
+{
+ int ret = 0;
+ u8 buf[ETH_ALEN];
+ int i;
+ unsigned long gpio_bits = dev->driver_info->data;
+ struct asix_data *data = (struct asix_data *)&dev->data;
+
+ data->eeprom_len = AX88172_EEPROM_LEN;
+
+ usbnet_get_endpoints(dev,intf);
+
+ /* Toggle the GPIOs in a manufacturer/model specific way */
+ for (i = 2; i >= 0; i--) {
+ ret = asix_write_cmd(dev, AX_CMD_WRITE_GPIOS,
+ (gpio_bits >> (i * 8)) & 0xff, 0, 0, NULL);
+ if (ret < 0)
+ goto out;
+ msleep(5);
+ }
+
+ ret = asix_write_rx_ctl(dev, 0x80);
+ if (ret < 0)
+ goto out;
+
+ /* Get the MAC address */
+ ret = asix_read_cmd(dev, AX88172_CMD_READ_NODE_ID, 0, 0, ETH_ALEN, buf);
+ if (ret < 0) {
+ dbg("read AX_CMD_READ_NODE_ID failed: %d", ret);
+ goto out;
+ }
+ memcpy(dev->net->dev_addr, buf, ETH_ALEN);
+
+ /* Initialize MII structure */
+ dev->mii.dev = dev->net;
+ dev->mii.mdio_read = asix_mdio_read;
+ dev->mii.mdio_write = asix_mdio_write;
+ dev->mii.phy_id_mask = 0x3f;
+ dev->mii.reg_num_mask = 0x1f;
+ dev->mii.phy_id = asix_get_phy_addr(dev);
+
+ dev->net->netdev_ops = &ax88172_netdev_ops;
+ dev->net->ethtool_ops = &ax88172_ethtool_ops;
+ dev->net->needed_headroom = 4; /* cf asix_tx_fixup() */
+ dev->net->needed_tailroom = 4; /* cf asix_tx_fixup() */
+
+ asix_mdio_write(dev->net, dev->mii.phy_id, MII_BMCR, BMCR_RESET);
+ asix_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE,
+ ADVERTISE_ALL | ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
+ mii_nway_restart(&dev->mii);
+
+ return 0;
+
+out:
+ return ret;
+}
+
+static const struct ethtool_ops ax88772_ethtool_ops = {
+ .get_drvinfo = asix_get_drvinfo,
+ .get_link = asix_get_link,
+ .get_msglevel = usbnet_get_msglevel,
+ .set_msglevel = usbnet_set_msglevel,
+ .get_wol = asix_get_wol,
+ .set_wol = asix_set_wol,
+ .get_eeprom_len = asix_get_eeprom_len,
+ .get_eeprom = asix_get_eeprom,
+ .get_settings = usbnet_get_settings,
+ .set_settings = usbnet_set_settings,
+ .nway_reset = usbnet_nway_reset,
+};
+
+static int ax88772_link_reset(struct usbnet *dev)
+{
+ u16 mode;
+ struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET };
+
+ mii_check_media(&dev->mii, 1, 1);
+ mii_ethtool_gset(&dev->mii, &ecmd);
+ mode = AX88772_MEDIUM_DEFAULT;
+
+ if (ethtool_cmd_speed(&ecmd) != SPEED_100)
+ mode &= ~AX_MEDIUM_PS;
+
+ if (ecmd.duplex != DUPLEX_FULL)
+ mode &= ~AX_MEDIUM_FD;
+
+ netdev_dbg(dev->net, "ax88772_link_reset() speed: %u duplex: %d setting mode to 0x%04x\n",
+ ethtool_cmd_speed(&ecmd), ecmd.duplex, mode);
+
+ asix_write_medium_mode(dev, mode);
+
+ return 0;
+}
+
+static int ax88772_reset(struct usbnet *dev)
+{
+ struct asix_data *data = (struct asix_data *)&dev->data;
+ int ret, embd_phy;
+ u16 rx_ctl;
+
+ ret = asix_write_gpio(dev,
+ AX_GPIO_RSE | AX_GPIO_GPO_2 | AX_GPIO_GPO2EN, 5);
+ if (ret < 0)
+ goto out;
+
+ embd_phy = ((asix_get_phy_addr(dev) & 0x1f) == 0x10 ? 1 : 0);
+
+ ret = asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT, embd_phy, 0, 0, NULL);
+ if (ret < 0) {
+ dbg("Select PHY #1 failed: %d", ret);
+ goto out;
+ }
+
+ ret = asix_sw_reset(dev, AX_SWRESET_IPPD | AX_SWRESET_PRL);
+ if (ret < 0)
+ goto out;
+
+ msleep(150);
+
+ ret = asix_sw_reset(dev, AX_SWRESET_CLEAR);
+ if (ret < 0)
+ goto out;
+
+ msleep(150);
+
+ if (embd_phy) {
+ ret = asix_sw_reset(dev, AX_SWRESET_IPRL);
+ if (ret < 0)
+ goto out;
+ } else {
+ ret = asix_sw_reset(dev, AX_SWRESET_PRTE);
+ if (ret < 0)
+ goto out;
+ }
+
+ msleep(150);
+ rx_ctl = asix_read_rx_ctl(dev);
+ dbg("RX_CTL is 0x%04x after software reset", rx_ctl);
+ ret = asix_write_rx_ctl(dev, 0x0000);
+ if (ret < 0)
+ goto out;
+
+ rx_ctl = asix_read_rx_ctl(dev);
+ dbg("RX_CTL is 0x%04x setting to 0x0000", rx_ctl);
+
+ ret = asix_sw_reset(dev, AX_SWRESET_PRL);
+ if (ret < 0)
+ goto out;
+
+ msleep(150);
+
+ ret = asix_sw_reset(dev, AX_SWRESET_IPRL | AX_SWRESET_PRL);
+ if (ret < 0)
+ goto out;
+
+ msleep(150);
+
+ asix_mdio_write(dev->net, dev->mii.phy_id, MII_BMCR, BMCR_RESET);
+ asix_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE,
+ ADVERTISE_ALL | ADVERTISE_CSMA);
+ mii_nway_restart(&dev->mii);
+
+ ret = asix_write_medium_mode(dev, AX88772_MEDIUM_DEFAULT);
+ if (ret < 0)
+ goto out;
+
+ ret = asix_write_cmd(dev, AX_CMD_WRITE_IPG0,
+ AX88772_IPG0_DEFAULT | AX88772_IPG1_DEFAULT,
+ AX88772_IPG2_DEFAULT, 0, NULL);
+ if (ret < 0) {
+ dbg("Write IPG,IPG1,IPG2 failed: %d", ret);
+ goto out;
+ }
+
+ /* Rewrite MAC address */
+ memcpy(data->mac_addr, dev->net->dev_addr, ETH_ALEN);
+ ret = asix_write_cmd(dev, AX_CMD_WRITE_NODE_ID, 0, 0, ETH_ALEN,
+ data->mac_addr);
+ if (ret < 0)
+ goto out;
+
+ /* Set RX_CTL to default values with 2k buffer, and enable cactus */
+ ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL);
+ if (ret < 0)
+ goto out;
+
+ rx_ctl = asix_read_rx_ctl(dev);
+ dbg("RX_CTL is 0x%04x after all initializations", rx_ctl);
+
+ rx_ctl = asix_read_medium_status(dev);
+ dbg("Medium Status is 0x%04x after all initializations", rx_ctl);
+
+ return 0;
+
+out:
+ return ret;
+
+}
+
+static const struct net_device_ops ax88772_netdev_ops = {
+ .ndo_open = usbnet_open,
+ .ndo_stop = usbnet_stop,
+ .ndo_start_xmit = usbnet_start_xmit,
+ .ndo_tx_timeout = usbnet_tx_timeout,
+ .ndo_change_mtu = usbnet_change_mtu,
+ .ndo_set_mac_address = asix_set_mac_address,
+ .ndo_validate_addr = eth_validate_addr,
+ .ndo_do_ioctl = asix_ioctl,
+ .ndo_set_rx_mode = asix_set_multicast,
+};
+
+static int ax88772_bind(struct usbnet *dev, struct usb_interface *intf)
+{
+ int ret, embd_phy;
+ struct asix_data *data = (struct asix_data *)&dev->data;
+ u8 buf[ETH_ALEN];
+ u32 phyid;
+
+ data->eeprom_len = AX88772_EEPROM_LEN;
+
+ usbnet_get_endpoints(dev,intf);
+
+ /* Get the MAC address */
+ ret = asix_read_cmd(dev, AX_CMD_READ_NODE_ID, 0, 0, ETH_ALEN, buf);
+ if (ret < 0) {
+ dbg("Failed to read MAC address: %d", ret);
+ return ret;
+ }
+ memcpy(dev->net->dev_addr, buf, ETH_ALEN);
+
+ /* Initialize MII structure */
+ dev->mii.dev = dev->net;
+ dev->mii.mdio_read = asix_mdio_read;
+ dev->mii.mdio_write = asix_mdio_write;
+ dev->mii.phy_id_mask = 0x1f;
+ dev->mii.reg_num_mask = 0x1f;
+ dev->mii.phy_id = asix_get_phy_addr(dev);
+
+ dev->net->netdev_ops = &ax88772_netdev_ops;
+ dev->net->ethtool_ops = &ax88772_ethtool_ops;
+ dev->net->needed_headroom = 4; /* cf asix_tx_fixup() */
+ dev->net->needed_tailroom = 4; /* cf asix_tx_fixup() */
+
+ embd_phy = ((dev->mii.phy_id & 0x1f) == 0x10 ? 1 : 0);
+
+ /* Reset the PHY to normal operation mode */
+ ret = asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT, embd_phy, 0, 0, NULL);
+ if (ret < 0) {
+ dbg("Select PHY #1 failed: %d", ret);
+ return ret;
+ }
+
+ ret = asix_sw_reset(dev, AX_SWRESET_IPPD | AX_SWRESET_PRL);
+ if (ret < 0)
+ return ret;
+
+ msleep(150);
+
+ ret = asix_sw_reset(dev, AX_SWRESET_CLEAR);
+ if (ret < 0)
+ return ret;
+
+ msleep(150);
+
+ ret = asix_sw_reset(dev, embd_phy ? AX_SWRESET_IPRL : AX_SWRESET_PRTE);
+
+ /* Read PHYID register *AFTER* the PHY was reset properly */
+ phyid = asix_get_phyid(dev);
+ dbg("PHYID=0x%08x", phyid);
+
+ /* Asix framing packs multiple eth frames into a 2K usb bulk transfer */
+ if (dev->driver_info->flags & FLAG_FRAMING_AX) {
+ /* hard_mtu is still the default - the device does not support
+ jumbo eth frames */
+ dev->rx_urb_size = 2048;
+ }
+
+ return 0;
+}
+
+static const struct ethtool_ops ax88178_ethtool_ops = {
+ .get_drvinfo = asix_get_drvinfo,
+ .get_link = asix_get_link,
+ .get_msglevel = usbnet_get_msglevel,
+ .set_msglevel = usbnet_set_msglevel,
+ .get_wol = asix_get_wol,
+ .set_wol = asix_set_wol,
+ .get_eeprom_len = asix_get_eeprom_len,
+ .get_eeprom = asix_get_eeprom,
+ .get_settings = usbnet_get_settings,
+ .set_settings = usbnet_set_settings,
+ .nway_reset = usbnet_nway_reset,
+};
+
+static int marvell_phy_init(struct usbnet *dev)
+{
+ struct asix_data *data = (struct asix_data *)&dev->data;
+ u16 reg;
+
+ netdev_dbg(dev->net, "marvell_phy_init()\n");
+
+ reg = asix_mdio_read(dev->net, dev->mii.phy_id, MII_MARVELL_STATUS);
+ netdev_dbg(dev->net, "MII_MARVELL_STATUS = 0x%04x\n", reg);
+
+ asix_mdio_write(dev->net, dev->mii.phy_id, MII_MARVELL_CTRL,
+ MARVELL_CTRL_RXDELAY | MARVELL_CTRL_TXDELAY);
+
+ if (data->ledmode) {
+ reg = asix_mdio_read(dev->net, dev->mii.phy_id,
+ MII_MARVELL_LED_CTRL);
+ netdev_dbg(dev->net, "MII_MARVELL_LED_CTRL (1) = 0x%04x\n", reg);
+
+ reg &= 0xf8ff;
+ reg |= (1 + 0x0100);
+ asix_mdio_write(dev->net, dev->mii.phy_id,
+ MII_MARVELL_LED_CTRL, reg);
+
+ reg = asix_mdio_read(dev->net, dev->mii.phy_id,
+ MII_MARVELL_LED_CTRL);
+ netdev_dbg(dev->net, "MII_MARVELL_LED_CTRL (2) = 0x%04x\n", reg);
+ reg &= 0xfc0f;
+ }
+
+ return 0;
+}
+
+static int rtl8211cl_phy_init(struct usbnet *dev)
+{
+ struct asix_data *data = (struct asix_data *)&dev->data;
+
+ netdev_dbg(dev->net, "rtl8211cl_phy_init()\n");
+
+ asix_mdio_write (dev->net, dev->mii.phy_id, 0x1f, 0x0005);
+ asix_mdio_write (dev->net, dev->mii.phy_id, 0x0c, 0);
+ asix_mdio_write (dev->net, dev->mii.phy_id, 0x01,
+ asix_mdio_read (dev->net, dev->mii.phy_id, 0x01) | 0x0080);
+ asix_mdio_write (dev->net, dev->mii.phy_id, 0x1f, 0);
+
+ if (data->ledmode == 12) {
+ asix_mdio_write (dev->net, dev->mii.phy_id, 0x1f, 0x0002);
+ asix_mdio_write (dev->net, dev->mii.phy_id, 0x1a, 0x00cb);
+ asix_mdio_write (dev->net, dev->mii.phy_id, 0x1f, 0);
+ }
+
+ return 0;
+}
+
+static int marvell_led_status(struct usbnet *dev, u16 speed)
+{
+ u16 reg = asix_mdio_read(dev->net, dev->mii.phy_id, MARVELL_LED_MANUAL);
+
+ netdev_dbg(dev->net, "marvell_led_status() read 0x%04x\n", reg);
+
+ /* Clear out the center LED bits - 0x03F0 */
+ reg &= 0xfc0f;
+
+ switch (speed) {
+ case SPEED_1000:
+ reg |= 0x03e0;
+ break;
+ case SPEED_100:
+ reg |= 0x03b0;
+ break;
+ default:
+ reg |= 0x02f0;
+ }
+
+ netdev_dbg(dev->net, "marvell_led_status() writing 0x%04x\n", reg);
+ asix_mdio_write(dev->net, dev->mii.phy_id, MARVELL_LED_MANUAL, reg);
+
+ return 0;
+}
+
+static int ax88178_reset(struct usbnet *dev)
+{
+ struct asix_data *data = (struct asix_data *)&dev->data;
+ int ret;
+ __le16 eeprom;
+ u8 status;
+ int gpio0 = 0;
+ u32 phyid;
+
+ asix_read_cmd(dev, AX_CMD_READ_GPIOS, 0, 0, 1, &status);
+ dbg("GPIO Status: 0x%04x", status);
+
+ asix_write_cmd(dev, AX_CMD_WRITE_ENABLE, 0, 0, 0, NULL);
+ asix_read_cmd(dev, AX_CMD_READ_EEPROM, 0x0017, 0, 2, &eeprom);
+ asix_write_cmd(dev, AX_CMD_WRITE_DISABLE, 0, 0, 0, NULL);
+
+ dbg("EEPROM index 0x17 is 0x%04x", eeprom);
+
+ if (eeprom == cpu_to_le16(0xffff)) {
+ data->phymode = PHY_MODE_MARVELL;
+ data->ledmode = 0;
+ gpio0 = 1;
+ } else {
+ data->phymode = le16_to_cpu(eeprom) & 0x7F;
+ data->ledmode = le16_to_cpu(eeprom) >> 8;
+ gpio0 = (le16_to_cpu(eeprom) & 0x80) ? 0 : 1;
+ }
+ dbg("GPIO0: %d, PhyMode: %d", gpio0, data->phymode);
+
+ /* Power up external GigaPHY through AX88178 GPIO pin */
+ asix_write_gpio(dev, AX_GPIO_RSE | AX_GPIO_GPO_1 | AX_GPIO_GPO1EN, 40);
+ if ((le16_to_cpu(eeprom) >> 8) != 1) {
+ asix_write_gpio(dev, 0x003c, 30);
+ asix_write_gpio(dev, 0x001c, 300);
+ asix_write_gpio(dev, 0x003c, 30);
+ } else {
+ dbg("gpio phymode == 1 path");
+ asix_write_gpio(dev, AX_GPIO_GPO1EN, 30);
+ asix_write_gpio(dev, AX_GPIO_GPO1EN | AX_GPIO_GPO_1, 30);
+ }
+
+ /* Read PHYID register *AFTER* powering up PHY */
+ phyid = asix_get_phyid(dev);
+ dbg("PHYID=0x%08x", phyid);
+
+ /* Set AX88178 to enable MII/GMII/RGMII interface for external PHY */
+ asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT, 0, 0, 0, NULL);
+
+ asix_sw_reset(dev, 0);
+ msleep(150);
+
+ asix_sw_reset(dev, AX_SWRESET_PRL | AX_SWRESET_IPPD);
+ msleep(150);
+
+ asix_write_rx_ctl(dev, 0);
+
+ if (data->phymode == PHY_MODE_MARVELL) {
+ marvell_phy_init(dev);
+ msleep(60);
+ } else if (data->phymode == PHY_MODE_RTL8211CL)
+ rtl8211cl_phy_init(dev);
+
+ asix_mdio_write(dev->net, dev->mii.phy_id, MII_BMCR,
+ BMCR_RESET | BMCR_ANENABLE);
+ asix_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE,
+ ADVERTISE_ALL | ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
+ asix_mdio_write(dev->net, dev->mii.phy_id, MII_CTRL1000,
+ ADVERTISE_1000FULL);
+
+ mii_nway_restart(&dev->mii);
+
+ ret = asix_write_medium_mode(dev, AX88178_MEDIUM_DEFAULT);
+ if (ret < 0)
+ return ret;
+
+ /* Rewrite MAC address */
+ memcpy(data->mac_addr, dev->net->dev_addr, ETH_ALEN);
+ ret = asix_write_cmd(dev, AX_CMD_WRITE_NODE_ID, 0, 0, ETH_ALEN,
+ data->mac_addr);
+ if (ret < 0)
+ return ret;
+
+ ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
+static int ax88178_link_reset(struct usbnet *dev)
+{
+ u16 mode;
+ struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET };
+ struct asix_data *data = (struct asix_data *)&dev->data;
+ u32 speed;
+
+ netdev_dbg(dev->net, "ax88178_link_reset()\n");
+
+ mii_check_media(&dev->mii, 1, 1);
+ mii_ethtool_gset(&dev->mii, &ecmd);
+ mode = AX88178_MEDIUM_DEFAULT;
+ speed = ethtool_cmd_speed(&ecmd);
+
+ if (speed == SPEED_1000)
+ mode |= AX_MEDIUM_GM;
+ else if (speed == SPEED_100)
+ mode |= AX_MEDIUM_PS;
+ else
+ mode &= ~(AX_MEDIUM_PS | AX_MEDIUM_GM);
+
+ mode |= AX_MEDIUM_ENCK;
+
+ if (ecmd.duplex == DUPLEX_FULL)
+ mode |= AX_MEDIUM_FD;
+ else
+ mode &= ~AX_MEDIUM_FD;
+
+ netdev_dbg(dev->net, "ax88178_link_reset() speed: %u duplex: %d setting mode to 0x%04x\n",
+ speed, ecmd.duplex, mode);
+
+ asix_write_medium_mode(dev, mode);
+
+ if (data->phymode == PHY_MODE_MARVELL && data->ledmode)
+ marvell_led_status(dev, speed);
+
+ return 0;
+}
+
+static void ax88178_set_mfb(struct usbnet *dev)
+{
+ u16 mfb = AX_RX_CTL_MFB_16384;
+ u16 rxctl;
+ u16 medium;
+ int old_rx_urb_size = dev->rx_urb_size;
+
+ if (dev->hard_mtu < 2048) {
+ dev->rx_urb_size = 2048;
+ mfb = AX_RX_CTL_MFB_2048;
+ } else if (dev->hard_mtu < 4096) {
+ dev->rx_urb_size = 4096;
+ mfb = AX_RX_CTL_MFB_4096;
+ } else if (dev->hard_mtu < 8192) {
+ dev->rx_urb_size = 8192;
+ mfb = AX_RX_CTL_MFB_8192;
+ } else if (dev->hard_mtu < 16384) {
+ dev->rx_urb_size = 16384;
+ mfb = AX_RX_CTL_MFB_16384;
+ }
+
+ rxctl = asix_read_rx_ctl(dev);
+ asix_write_rx_ctl(dev, (rxctl & ~AX_RX_CTL_MFB_16384) | mfb);
+
+ medium = asix_read_medium_status(dev);
+ if (dev->net->mtu > 1500)
+ medium |= AX_MEDIUM_JFE;
+ else
+ medium &= ~AX_MEDIUM_JFE;
+ asix_write_medium_mode(dev, medium);
+
+ if (dev->rx_urb_size > old_rx_urb_size)
+ usbnet_unlink_rx_urbs(dev);
+}
+
+static int ax88178_change_mtu(struct net_device *net, int new_mtu)
+{
+ struct usbnet *dev = netdev_priv(net);
+ int ll_mtu = new_mtu + net->hard_header_len + 4;
+
+ netdev_dbg(dev->net, "ax88178_change_mtu() new_mtu=%d\n", new_mtu);
+
+ if (new_mtu <= 0 || ll_mtu > 16384)
+ return -EINVAL;
+
+ if ((ll_mtu % dev->maxpacket) == 0)
+ return -EDOM;
+
+ net->mtu = new_mtu;
+ dev->hard_mtu = net->mtu + net->hard_header_len;
+ ax88178_set_mfb(dev);
+
+ return 0;
+}
+
+static const struct net_device_ops ax88178_netdev_ops = {
+ .ndo_open = usbnet_open,
+ .ndo_stop = usbnet_stop,
+ .ndo_start_xmit = usbnet_start_xmit,
+ .ndo_tx_timeout = usbnet_tx_timeout,
+ .ndo_set_mac_address = asix_set_mac_address,
+ .ndo_validate_addr = eth_validate_addr,
+ .ndo_set_rx_mode = asix_set_multicast,
+ .ndo_do_ioctl = asix_ioctl,
+ .ndo_change_mtu = ax88178_change_mtu,
+};
+
+static int ax88178_bind(struct usbnet *dev, struct usb_interface *intf)
+{
+ int ret;
+ u8 buf[ETH_ALEN];
+ struct asix_data *data = (struct asix_data *)&dev->data;
+
+ data->eeprom_len = AX88772_EEPROM_LEN;
+
+ usbnet_get_endpoints(dev,intf);
+
+ /* Get the MAC address */
+ ret = asix_read_cmd(dev, AX_CMD_READ_NODE_ID, 0, 0, ETH_ALEN, buf);
+ if (ret < 0) {
+ dbg("Failed to read MAC address: %d", ret);
+ return ret;
+ }
+ memcpy(dev->net->dev_addr, buf, ETH_ALEN);
+
+ /* Initialize MII structure */
+ dev->mii.dev = dev->net;
+ dev->mii.mdio_read = asix_mdio_read;
+ dev->mii.mdio_write = asix_mdio_write;
+ dev->mii.phy_id_mask = 0x1f;
+ dev->mii.reg_num_mask = 0xff;
+ dev->mii.supports_gmii = 1;
+ dev->mii.phy_id = asix_get_phy_addr(dev);
+
+ dev->net->netdev_ops = &ax88178_netdev_ops;
+ dev->net->ethtool_ops = &ax88178_ethtool_ops;
+
+ /* Blink LEDS so users know driver saw dongle */
+ asix_sw_reset(dev, 0);
+ msleep(150);
+
+ asix_sw_reset(dev, AX_SWRESET_PRL | AX_SWRESET_IPPD);
+ msleep(150);
+
+ /* Asix framing packs multiple eth frames into a 2K usb bulk transfer */
+ if (dev->driver_info->flags & FLAG_FRAMING_AX) {
+ /* hard_mtu is still the default - the device does not support
+ jumbo eth frames */
+ dev->rx_urb_size = 2048;
+ }
+
+ return 0;
+}
+
+static const struct driver_info ax8817x_info = {
+ .description = "ASIX AX8817x USB 2.0 Ethernet",
+ .bind = ax88172_bind,
+ .status = asix_status,
+ .link_reset = ax88172_link_reset,
+ .reset = ax88172_link_reset,
+ .flags = FLAG_ETHER | FLAG_LINK_INTR,
+ .data = 0x00130103,
+};
+
+static const struct driver_info dlink_dub_e100_info = {
+ .description = "DLink DUB-E100 USB Ethernet",
+ .bind = ax88172_bind,
+ .status = asix_status,
+ .link_reset = ax88172_link_reset,
+ .reset = ax88172_link_reset,
+ .flags = FLAG_ETHER | FLAG_LINK_INTR,
+ .data = 0x009f9d9f,
+};
+
+static const struct driver_info netgear_fa120_info = {
+ .description = "Netgear FA-120 USB Ethernet",
+ .bind = ax88172_bind,
+ .status = asix_status,
+ .link_reset = ax88172_link_reset,
+ .reset = ax88172_link_reset,
+ .flags = FLAG_ETHER | FLAG_LINK_INTR,
+ .data = 0x00130103,
+};
+
+static const struct driver_info hawking_uf200_info = {
+ .description = "Hawking UF200 USB Ethernet",
+ .bind = ax88172_bind,
+ .status = asix_status,
+ .link_reset = ax88172_link_reset,
+ .reset = ax88172_link_reset,
+ .flags = FLAG_ETHER | FLAG_LINK_INTR,
+ .data = 0x001f1d1f,
+};
+
+static const struct driver_info ax88772_info = {
+ .description = "ASIX AX88772 USB 2.0 Ethernet",
+ .bind = ax88772_bind,
+ .status = asix_status,
+ .link_reset = ax88772_link_reset,
+ .reset = ax88772_reset,
+ .flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR | FLAG_MULTI_PACKET,
+ .rx_fixup = asix_rx_fixup,
+ .tx_fixup = asix_tx_fixup,
+};
+
+static const struct driver_info ax88178_info = {
+ .description = "ASIX AX88178 USB 2.0 Ethernet",
+ .bind = ax88178_bind,
+ .status = asix_status,
+ .link_reset = ax88178_link_reset,
+ .reset = ax88178_reset,
+ .flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR,
+ .rx_fixup = asix_rx_fixup,
+ .tx_fixup = asix_tx_fixup,
+};
+
+static const struct usb_device_id products [] = {
+{
+ // Linksys USB200M
+ USB_DEVICE (0x077b, 0x2226),
+ .driver_info = (unsigned long) &ax8817x_info,
+}, {
+ // Netgear FA120
+ USB_DEVICE (0x0846, 0x1040),
+ .driver_info = (unsigned long) &netgear_fa120_info,
+}, {
+ // DLink DUB-E100
+ USB_DEVICE (0x2001, 0x1a00),
+ .driver_info = (unsigned long) &dlink_dub_e100_info,
+}, {
+ // Intellinet, ST Lab USB Ethernet
+ USB_DEVICE (0x0b95, 0x1720),
+ .driver_info = (unsigned long) &ax8817x_info,
+}, {
+ // Hawking UF200, TrendNet TU2-ET100
+ USB_DEVICE (0x07b8, 0x420a),
+ .driver_info = (unsigned long) &hawking_uf200_info,
+}, {
+ // Billionton Systems, USB2AR
+ USB_DEVICE (0x08dd, 0x90ff),
+ .driver_info = (unsigned long) &ax8817x_info,
+}, {
+ // ATEN UC210T
+ USB_DEVICE (0x0557, 0x2009),
+ .driver_info = (unsigned long) &ax8817x_info,
+}, {
+ // Buffalo LUA-U2-KTX
+ USB_DEVICE (0x0411, 0x003d),
+ .driver_info = (unsigned long) &ax8817x_info,
+}, {
+ // Buffalo LUA-U2-GT 10/100/1000
+ USB_DEVICE (0x0411, 0x006e),
+ .driver_info = (unsigned long) &ax88178_info,
+}, {
+ // Sitecom LN-029 "USB 2.0 10/100 Ethernet adapter"
+ USB_DEVICE (0x6189, 0x182d),
+ .driver_info = (unsigned long) &ax8817x_info,
+}, {
+ // Sitecom LN-031 "USB 2.0 10/100/1000 Ethernet adapter"
+ USB_DEVICE (0x0df6, 0x0056),
+ .driver_info = (unsigned long) &ax88178_info,
+}, {
+ // corega FEther USB2-TX
+ USB_DEVICE (0x07aa, 0x0017),
+ .driver_info = (unsigned long) &ax8817x_info,
+}, {
+ // Surecom EP-1427X-2
+ USB_DEVICE (0x1189, 0x0893),
+ .driver_info = (unsigned long) &ax8817x_info,
+}, {
+ // goodway corp usb gwusb2e
+ USB_DEVICE (0x1631, 0x6200),
+ .driver_info = (unsigned long) &ax8817x_info,
+}, {
+ // JVC MP-PRX1 Port Replicator
+ USB_DEVICE (0x04f1, 0x3008),
+ .driver_info = (unsigned long) &ax8817x_info,
+}, {
+ // ASIX AX88772B 10/100
+ USB_DEVICE (0x0b95, 0x772b),
+ .driver_info = (unsigned long) &ax88772_info,
+}, {
+ // ASIX AX88772 10/100
+ USB_DEVICE (0x0b95, 0x7720),
+ .driver_info = (unsigned long) &ax88772_info,
+}, {
+ // ASIX AX88178 10/100/1000
+ USB_DEVICE (0x0b95, 0x1780),
+ .driver_info = (unsigned long) &ax88178_info,
+}, {
+ // Logitec LAN-GTJ/U2A
+ USB_DEVICE (0x0789, 0x0160),
+ .driver_info = (unsigned long) &ax88178_info,
+}, {
+ // Linksys USB200M Rev 2
+ USB_DEVICE (0x13b1, 0x0018),
+ .driver_info = (unsigned long) &ax88772_info,
+}, {
+ // 0Q0 cable ethernet
+ USB_DEVICE (0x1557, 0x7720),
+ .driver_info = (unsigned long) &ax88772_info,
+}, {
+ // DLink DUB-E100 H/W Ver B1
+ USB_DEVICE (0x07d1, 0x3c05),
+ .driver_info = (unsigned long) &ax88772_info,
+}, {
+ // DLink DUB-E100 H/W Ver B1 Alternate
+ USB_DEVICE (0x2001, 0x3c05),
+ .driver_info = (unsigned long) &ax88772_info,
+}, {
+ // Linksys USB1000
+ USB_DEVICE (0x1737, 0x0039),
+ .driver_info = (unsigned long) &ax88178_info,
+}, {
+ // IO-DATA ETG-US2
+ USB_DEVICE (0x04bb, 0x0930),
+ .driver_info = (unsigned long) &ax88178_info,
+}, {
+ // Belkin F5D5055
+ USB_DEVICE(0x050d, 0x5055),
+ .driver_info = (unsigned long) &ax88178_info,
+}, {
+ // Apple USB Ethernet Adapter
+ USB_DEVICE(0x05ac, 0x1402),
+ .driver_info = (unsigned long) &ax88772_info,
+}, {
+ // Cables-to-Go USB Ethernet Adapter
+ USB_DEVICE(0x0b95, 0x772a),
+ .driver_info = (unsigned long) &ax88772_info,
+}, {
+ // ABOCOM for pci
+ USB_DEVICE(0x14ea, 0xab11),
+ .driver_info = (unsigned long) &ax88178_info,
+}, {
+ // ASIX 88772a
+ USB_DEVICE(0x0db0, 0xa877),
+ .driver_info = (unsigned long) &ax88772_info,
+}, {
+ // Asus USB Ethernet Adapter
+ USB_DEVICE (0x0b95, 0x7e2b),
+ .driver_info = (unsigned long) &ax88772_info,
+},
+ { }, // END
+};
+MODULE_DEVICE_TABLE(usb, products);
+
+static struct usb_driver asix_driver = {
+ .name = DRIVER_NAME,
+ .id_table = products,
+ .probe = usbnet_probe,
+ .suspend = usbnet_suspend,
+ .resume = usbnet_resume,
+ .disconnect = usbnet_disconnect,
+ .supports_autosuspend = 1,
+ .disable_hub_initiated_lpm = 1,
+};
+
+module_usb_driver(asix_driver);
+
+MODULE_AUTHOR("David Hollis");
+MODULE_VERSION(DRIVER_VERSION);
+MODULE_DESCRIPTION("ASIX AX8817X based USB 2.0 Ethernet Devices");
+MODULE_LICENSE("GPL");
+
projects / GitHub / moto-9609 / android_kernel_motorola_exynos9610.git / commitdiff