jenna
/
kernel_samsung_sm7125
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

asix: Factor out common code

Browse Source 
Allow the new driver for the AX88172A to share code with the
existing drivers for ASIX devices.

Signed-off-by: Christian Riesch <christian.riesch@omicron.at>
Signed-off-by: David S. Miller <davem@davemloft.net>
tirimbino
Christian Riesch 13 years ago committed by David S. Miller
parent b4cdae20ef
commit 607740bc16
4 changed files with 64 additions and 3333 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Show Stats Download Patch File Download Diff File
  1. 2
      drivers/net/usb/Makefile
  2. 1532
      drivers/net/usb/asix.h
  3. 1203
      drivers/net/usb/asix_common.c
  4. 660
      drivers/net/usb/asix_devices.c

2
drivers/net/usb/Makefile
Unescape View File

@ -8,7 +8,7 @@ obj-$(CONFIG_USB_PEGASUS) += pegasus.o
obj-$(CONFIG_USB_RTL8150) += rtl8150.o
obj-$(CONFIG_USB_HSO) += hso.o
obj-$(CONFIG_USB_NET_AX8817X) += asix.o
asix-y := asix_devices.o
asix-y := asix_devices.o asix_common.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

1532
drivers/net/usb/asix.h
View File

File diff suppressed because it is too large Load Diff

1203
drivers/net/usb/asix_common.c
View File

File diff suppressed because it is too large Load Diff

660
drivers/net/usb/asix_devices.c
Unescape View File

@ -20,137 +20,7 @@
* 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
#include "asix.h"
#define PHY_MODE_MARVELL 0x0000
#define MII_MARVELL_LED_CTRL 0x0018
@ -166,15 +36,6 @@
#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;
@ -183,225 +44,6 @@ struct ax88172_int_data {
__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;
@ -422,200 +64,6 @@ static void asix_status(struct usbnet *dev, struct urb *urb)
}
}
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)
{
@ -645,88 +93,6 @@ static u32 asix_get_phyid(struct usbnet *dev)
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);
@ -741,30 +107,6 @@ static int asix_ioctl (struct net_device *net, struct ifreq *rq, int cmd)
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. */

Write Preview
Loading…
Cancel
Save