]> Pileus Git - ~andy/linux/commitdiff
asix: Factor out common code
authorChristian Riesch <christian.riesch@omicron.at>
Fri, 13 Jul 2012 05:26:30 +0000 (05:26 +0000)
committerDavid S. Miller <davem@davemloft.net>
Tue, 17 Jul 2012 06:26:23 +0000 (23:26 -0700)
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>
drivers/net/usb/Makefile
drivers/net/usb/asix.h
drivers/net/usb/asix_common.c
drivers/net/usb/asix_devices.c

index 2c8f7b4a5d8cf68c011ef9c15454e2a6c1bd73d2..a9490d9a4e987f2d739983b321a8af6e6883a255 100644 (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
index 6564c32d3af09b42cf3c1618f1d6772584d182d8..790af241f1973d70bde634338e153bcbbb686112 100644 (file)
@@ -20,6 +20,9 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
+#ifndef _ASIX_H
+#define _ASIX_H
+
 // #define     DEBUG                   // error path messages, extra info
 // #define     VERBOSE                 // more; success messages
 
 #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];
@@ -175,1506 +164,49 @@ struct asix_data {
        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);
+int asix_read_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
+                 u16 size, void *data);
 
-               /* 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);
-               }
+int asix_write_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
+                  u16 size, void *data);
 
-               asix_write_cmd_async(dev, AX_CMD_WRITE_MULTI_FILTER, 0, 0,
-                                  AX_MCAST_FILTER_SIZE, data->multi_filter);
+void asix_write_cmd_async(struct usbnet *dev, u8 cmd, u16 value,
+                         u16 index, u16 size, void *data);
 
-               rx_ctl |= 0x10;
-       }
+int asix_rx_fixup(struct usbnet *dev, struct sk_buff *skb);
 
-       asix_write_cmd_async(dev, AX_CMD_WRITE_RX_CTL, rx_ctl, 0, 0, NULL);
-}
+struct sk_buff *asix_tx_fixup(struct usbnet *dev, struct sk_buff *skb,
+                             gfp_t flags);
 
-static int ax88172_link_reset(struct usbnet *dev)
-{
-       u8 mode;
-       struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET };
+int asix_set_sw_mii(struct usbnet *dev);
+int asix_set_hw_mii(struct usbnet *dev);
 
-       mii_check_media(&dev->mii, 1, 1);
-       mii_ethtool_gset(&dev->mii, &ecmd);
-       mode = AX88172_MEDIUM_DEFAULT;
+int asix_get_phy_addr(struct usbnet *dev);
 
-       if (ecmd.duplex != DUPLEX_FULL)
-               mode |= ~AX88172_MEDIUM_FD;
+int asix_sw_reset(struct usbnet *dev, u8 flags);
 
-       netdev_dbg(dev->net, "ax88172_link_reset() speed: %u duplex: %d setting mode to 0x%04x\n",
-                  ethtool_cmd_speed(&ecmd), ecmd.duplex, mode);
+u16 asix_read_rx_ctl(struct usbnet *dev);
+int asix_write_rx_ctl(struct usbnet *dev, u16 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,
-};
+u16 asix_read_medium_status(struct usbnet *dev);
+int asix_write_medium_mode(struct usbnet *dev, u16 mode);
 
-static int ax88772_link_reset(struct usbnet *dev)
-{
-       u16 mode;
-       struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET };
+int asix_write_gpio(struct usbnet *dev, u16 value, int sleep);
 
-       mii_check_media(&dev->mii, 1, 1);
-       mii_ethtool_gset(&dev->mii, &ecmd);
-       mode = AX88772_MEDIUM_DEFAULT;
+void asix_set_multicast(struct net_device *net);
 
-       if (ethtool_cmd_speed(&ecmd) != SPEED_100)
-               mode &= ~AX_MEDIUM_PS;
+int asix_mdio_read(struct net_device *netdev, int phy_id, int loc);
+void asix_mdio_write(struct net_device *netdev, int phy_id, int loc, int val);
 
-       if (ecmd.duplex != DUPLEX_FULL)
-               mode &= ~AX_MEDIUM_FD;
+void asix_get_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo);
+int asix_set_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo);
 
-       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,
-};
+int asix_get_eeprom_len(struct net_device *net);
+int asix_get_eeprom(struct net_device *net, struct ethtool_eeprom *eeprom,
+                   u8 *data);
 
-module_usb_driver(asix_driver);
+void asix_get_drvinfo(struct net_device *net, struct ethtool_drvinfo *info);
 
-MODULE_AUTHOR("David Hollis");
-MODULE_VERSION(DRIVER_VERSION);
-MODULE_DESCRIPTION("ASIX AX8817X based USB 2.0 Ethernet Devices");
-MODULE_LICENSE("GPL");
+int asix_set_mac_address(struct net_device *net, void *p);
 
+#endif /* _ASIX_H */
index 6564c32d3af09b42cf3c1618f1d6772584d182d8..3c1429a25ca43cb283b7401f897bec81ba4a3e03 100644 (file)
  * 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)
+#include "asix.h"
+
+int asix_read_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
+                 u16 size, void *data)
 {
        void *buf;
        int err = -ENOMEM;
@@ -216,8 +55,8 @@ out:
        return err;
 }
 
-static int asix_write_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
-                            u16 size, void *data)
+int asix_write_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
+                  u16 size, void *data)
 {
        void *buf = NULL;
        int err = -ENOMEM;
@@ -260,9 +99,8 @@ static void asix_async_cmd_callback(struct urb *urb)
        usb_free_urb(urb);
 }
 
-static void
-asix_write_cmd_async(struct usbnet *dev, u8 cmd, u16 value, u16 index,
-                                   u16 size, void *data)
+void asix_write_cmd_async(struct usbnet *dev, u8 cmd, u16 value, u16 index,
+                         u16 size, void *data)
 {
        struct usb_ctrlrequest *req;
        int status;
@@ -304,7 +142,7 @@ asix_write_cmd_async(struct usbnet *dev, u8 cmd, u16 value, u16 index,
        }
 }
 
-static int asix_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
+int asix_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
 {
        int offset = 0;
 
@@ -347,8 +185,8 @@ static int asix_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
        return 1;
 }
 
-static struct sk_buff *asix_tx_fixup(struct usbnet *dev, struct sk_buff *skb,
-                                       gfp_t flags)
+struct sk_buff *asix_tx_fixup(struct usbnet *dev, struct sk_buff *skb,
+                             gfp_t flags)
 {
        int padlen;
        int headroom = skb_headroom(skb);
@@ -402,27 +240,7 @@ static struct sk_buff *asix_tx_fixup(struct usbnet *dev, struct sk_buff *skb,
        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 asix_set_sw_mii(struct usbnet *dev)
 {
        int ret;
        ret = asix_write_cmd(dev, AX_CMD_SET_SW_MII, 0x0000, 0, 0, NULL);
@@ -431,7 +249,7 @@ static inline int asix_set_sw_mii(struct usbnet *dev)
        return ret;
 }
 
-static inline int asix_set_hw_mii(struct usbnet *dev)
+int asix_set_hw_mii(struct usbnet *dev)
 {
        int ret;
        ret = asix_write_cmd(dev, AX_CMD_SET_HW_MII, 0x0000, 0, 0, NULL);
@@ -440,7 +258,7 @@ static inline int asix_set_hw_mii(struct usbnet *dev)
        return ret;
 }
 
-static inline int asix_get_phy_addr(struct usbnet *dev)
+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);
@@ -459,7 +277,7 @@ out:
        return ret;
 }
 
-static int asix_sw_reset(struct usbnet *dev, u8 flags)
+int asix_sw_reset(struct usbnet *dev, u8 flags)
 {
        int ret;
 
@@ -470,7 +288,7 @@ static int asix_sw_reset(struct usbnet *dev, u8 flags)
        return ret;
 }
 
-static u16 asix_read_rx_ctl(struct usbnet *dev)
+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);
@@ -484,7 +302,7 @@ out:
        return ret;
 }
 
-static int asix_write_rx_ctl(struct usbnet *dev, u16 mode)
+int asix_write_rx_ctl(struct usbnet *dev, u16 mode)
 {
        int ret;
 
@@ -497,7 +315,7 @@ static int asix_write_rx_ctl(struct usbnet *dev, u16 mode)
        return ret;
 }
 
-static u16 asix_read_medium_status(struct usbnet *dev)
+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);
@@ -512,7 +330,7 @@ static u16 asix_read_medium_status(struct usbnet *dev)
 
 }
 
-static int asix_write_medium_mode(struct usbnet *dev, u16 mode)
+int asix_write_medium_mode(struct usbnet *dev, u16 mode)
 {
        int ret;
 
@@ -525,7 +343,7 @@ static int asix_write_medium_mode(struct usbnet *dev, u16 mode)
        return ret;
 }
 
-static int asix_write_gpio(struct usbnet *dev, u16 value, int sleep)
+int asix_write_gpio(struct usbnet *dev, u16 value, int sleep)
 {
        int ret;
 
@@ -544,7 +362,7 @@ static int asix_write_gpio(struct usbnet *dev, u16 value, int sleep)
 /*
  * AX88772 & AX88178 have a 16-bit RX_CTL value
  */
-static void asix_set_multicast(struct net_device *net)
+void asix_set_multicast(struct net_device *net)
 {
        struct usbnet *dev = netdev_priv(net);
        struct asix_data *data = (struct asix_data *)&dev->data;
@@ -583,7 +401,7 @@ static void asix_set_multicast(struct net_device *net)
        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)
+int asix_mdio_read(struct net_device *netdev, int phy_id, int loc)
 {
        struct usbnet *dev = netdev_priv(netdev);
        __le16 res;
@@ -601,8 +419,7 @@ static int asix_mdio_read(struct net_device *netdev, int phy_id, int loc)
        return le16_to_cpu(res);
 }
 
-static void
-asix_mdio_write(struct net_device *netdev, int phy_id, int loc, int val)
+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);
@@ -616,37 +433,7 @@ asix_mdio_write(struct net_device *netdev, int phy_id, int loc, int val)
        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)
+void asix_get_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo)
 {
        struct usbnet *dev = netdev_priv(net);
        u8 opt;
@@ -664,8 +451,7 @@ asix_get_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo)
                wolinfo->wolopts |= WAKE_MAGIC;
 }
 
-static int
-asix_set_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo)
+int asix_set_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo)
 {
        struct usbnet *dev = netdev_priv(net);
        u8 opt = 0;
@@ -682,7 +468,7 @@ asix_set_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo)
        return 0;
 }
 
-static int asix_get_eeprom_len(struct net_device *net)
+int asix_get_eeprom_len(struct net_device *net)
 {
        struct usbnet *dev = netdev_priv(net);
        struct asix_data *data = (struct asix_data *)&dev->data;
@@ -690,8 +476,8 @@ static int asix_get_eeprom_len(struct net_device *net)
        return data->eeprom_len;
 }
 
-static int asix_get_eeprom(struct net_device *net,
-                             struct ethtool_eeprom *eeprom, u8 *data)
+int asix_get_eeprom(struct net_device *net, struct ethtool_eeprom *eeprom,
+                   u8 *data)
 {
        struct usbnet *dev = netdev_priv(net);
        __le16 *ebuf = (__le16 *)data;
@@ -714,8 +500,7 @@ static int asix_get_eeprom(struct net_device *net,
        return 0;
 }
 
-static void asix_get_drvinfo (struct net_device *net,
-                                struct ethtool_drvinfo *info)
+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;
@@ -727,21 +512,7 @@ static void asix_get_drvinfo (struct net_device *net,
        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)
+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;
@@ -764,917 +535,3 @@ static int asix_set_mac_address(struct net_device *net, void *p)
 
        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");
-
index 6564c32d3af09b42cf3c1618f1d6772584d182d8..8c513f7921f432b10de3045c42ce66778062f00b 100644 (file)
  * 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
 
 #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. */