2 * ASIX AX8817X based USB 2.0 Ethernet Devices
3 * Copyright (C) 2003-2006 David Hollis <dhollis@davehollis.com>
4 * Copyright (C) 2005 Phil Chang <pchang23@sbcglobal.net>
5 * Copyright (C) 2006 James Painter <jamie.painter@iname.com>
6 * Copyright (c) 2002-2003 TiVo Inc.
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 // #define DEBUG // error path messages, extra info
24 // #define VERBOSE // more; success messages
26 #include <linux/module.h>
27 #include <linux/kmod.h>
28 #include <linux/sched.h>
29 #include <linux/init.h>
30 #include <linux/netdevice.h>
31 #include <linux/etherdevice.h>
32 #include <linux/ethtool.h>
33 #include <linux/workqueue.h>
34 #include <linux/mii.h>
35 #include <linux/usb.h>
36 #include <linux/crc32.h>
40 #define DRIVER_VERSION "14-Jun-2006"
41 static const char driver_name [] = "asix";
43 /* ASIX AX8817X based USB 2.0 Ethernet Devices */
45 #define AX_CMD_SET_SW_MII 0x06
46 #define AX_CMD_READ_MII_REG 0x07
47 #define AX_CMD_WRITE_MII_REG 0x08
48 #define AX_CMD_SET_HW_MII 0x0a
49 #define AX_CMD_READ_EEPROM 0x0b
50 #define AX_CMD_WRITE_EEPROM 0x0c
51 #define AX_CMD_WRITE_ENABLE 0x0d
52 #define AX_CMD_WRITE_DISABLE 0x0e
53 #define AX_CMD_READ_RX_CTL 0x0f
54 #define AX_CMD_WRITE_RX_CTL 0x10
55 #define AX_CMD_READ_IPG012 0x11
56 #define AX_CMD_WRITE_IPG0 0x12
57 #define AX_CMD_WRITE_IPG1 0x13
58 #define AX_CMD_READ_NODE_ID 0x13
59 #define AX_CMD_WRITE_IPG2 0x14
60 #define AX_CMD_WRITE_MULTI_FILTER 0x16
61 #define AX88172_CMD_READ_NODE_ID 0x17
62 #define AX_CMD_READ_PHY_ID 0x19
63 #define AX_CMD_READ_MEDIUM_STATUS 0x1a
64 #define AX_CMD_WRITE_MEDIUM_MODE 0x1b
65 #define AX_CMD_READ_MONITOR_MODE 0x1c
66 #define AX_CMD_WRITE_MONITOR_MODE 0x1d
67 #define AX_CMD_READ_GPIOS 0x1e
68 #define AX_CMD_WRITE_GPIOS 0x1f
69 #define AX_CMD_SW_RESET 0x20
70 #define AX_CMD_SW_PHY_STATUS 0x21
71 #define AX_CMD_SW_PHY_SELECT 0x22
73 #define AX_MONITOR_MODE 0x01
74 #define AX_MONITOR_LINK 0x02
75 #define AX_MONITOR_MAGIC 0x04
76 #define AX_MONITOR_HSFS 0x10
78 /* AX88172 Medium Status Register values */
79 #define AX88172_MEDIUM_FD 0x02
80 #define AX88172_MEDIUM_TX 0x04
81 #define AX88172_MEDIUM_FC 0x10
82 #define AX88172_MEDIUM_DEFAULT \
83 ( AX88172_MEDIUM_FD | AX88172_MEDIUM_TX | AX88172_MEDIUM_FC )
85 #define AX_MCAST_FILTER_SIZE 8
86 #define AX_MAX_MCAST 64
88 #define AX_SWRESET_CLEAR 0x00
89 #define AX_SWRESET_RR 0x01
90 #define AX_SWRESET_RT 0x02
91 #define AX_SWRESET_PRTE 0x04
92 #define AX_SWRESET_PRL 0x08
93 #define AX_SWRESET_BZ 0x10
94 #define AX_SWRESET_IPRL 0x20
95 #define AX_SWRESET_IPPD 0x40
97 #define AX88772_IPG0_DEFAULT 0x15
98 #define AX88772_IPG1_DEFAULT 0x0c
99 #define AX88772_IPG2_DEFAULT 0x12
101 /* AX88772 & AX88178 Medium Mode Register */
102 #define AX_MEDIUM_PF 0x0080
103 #define AX_MEDIUM_JFE 0x0040
104 #define AX_MEDIUM_TFC 0x0020
105 #define AX_MEDIUM_RFC 0x0010
106 #define AX_MEDIUM_ENCK 0x0008
107 #define AX_MEDIUM_AC 0x0004
108 #define AX_MEDIUM_FD 0x0002
109 #define AX_MEDIUM_GM 0x0001
110 #define AX_MEDIUM_SM 0x1000
111 #define AX_MEDIUM_SBP 0x0800
112 #define AX_MEDIUM_PS 0x0200
113 #define AX_MEDIUM_RE 0x0100
115 #define AX88178_MEDIUM_DEFAULT \
116 (AX_MEDIUM_PS | AX_MEDIUM_FD | AX_MEDIUM_AC | \
117 AX_MEDIUM_RFC | AX_MEDIUM_TFC | AX_MEDIUM_JFE | \
120 #define AX88772_MEDIUM_DEFAULT \
121 (AX_MEDIUM_FD | AX_MEDIUM_RFC | \
122 AX_MEDIUM_TFC | AX_MEDIUM_PS | \
123 AX_MEDIUM_AC | AX_MEDIUM_RE )
125 /* AX88772 & AX88178 RX_CTL values */
126 #define AX_RX_CTL_SO 0x0080
127 #define AX_RX_CTL_AP 0x0020
128 #define AX_RX_CTL_AM 0x0010
129 #define AX_RX_CTL_AB 0x0008
130 #define AX_RX_CTL_SEP 0x0004
131 #define AX_RX_CTL_AMALL 0x0002
132 #define AX_RX_CTL_PRO 0x0001
133 #define AX_RX_CTL_MFB_2048 0x0000
134 #define AX_RX_CTL_MFB_4096 0x0100
135 #define AX_RX_CTL_MFB_8192 0x0200
136 #define AX_RX_CTL_MFB_16384 0x0300
138 #define AX_DEFAULT_RX_CTL \
139 (AX_RX_CTL_SO | AX_RX_CTL_AB )
141 /* GPIO 0 .. 2 toggles */
142 #define AX_GPIO_GPO0EN 0x01 /* GPIO0 Output enable */
143 #define AX_GPIO_GPO_0 0x02 /* GPIO0 Output value */
144 #define AX_GPIO_GPO1EN 0x04 /* GPIO1 Output enable */
145 #define AX_GPIO_GPO_1 0x08 /* GPIO1 Output value */
146 #define AX_GPIO_GPO2EN 0x10 /* GPIO2 Output enable */
147 #define AX_GPIO_GPO_2 0x20 /* GPIO2 Output value */
148 #define AX_GPIO_RESERVED 0x40 /* Reserved */
149 #define AX_GPIO_RSE 0x80 /* Reload serial EEPROM */
151 #define AX_EEPROM_MAGIC 0xdeadbeef
152 #define AX88172_EEPROM_LEN 0x40
153 #define AX88772_EEPROM_LEN 0xff
155 #define PHY_MODE_MARVELL 0x0000
156 #define MII_MARVELL_LED_CTRL 0x0018
157 #define MII_MARVELL_STATUS 0x001b
158 #define MII_MARVELL_CTRL 0x0014
160 #define MARVELL_LED_MANUAL 0x0019
162 #define MARVELL_STATUS_HWCFG 0x0004
164 #define MARVELL_CTRL_TXDELAY 0x0002
165 #define MARVELL_CTRL_RXDELAY 0x0080
167 /* This structure cannot exceed sizeof(unsigned long [5]) AKA 20 bytes */
169 u8 multi_filter[AX_MCAST_FILTER_SIZE];
175 struct ax88172_int_data {
181 } __attribute__ ((packed));
183 static int asix_read_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
184 u16 size, void *data)
186 devdbg(dev,"asix_read_cmd() cmd=0x%02x value=0x%04x index=0x%04x size=%d",
187 cmd, value, index, size);
188 return usb_control_msg(
190 usb_rcvctrlpipe(dev->udev, 0),
192 USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
197 USB_CTRL_GET_TIMEOUT);
200 static int asix_write_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
201 u16 size, void *data)
203 devdbg(dev,"asix_write_cmd() cmd=0x%02x value=0x%04x index=0x%04x size=%d",
204 cmd, value, index, size);
205 return usb_control_msg(
207 usb_sndctrlpipe(dev->udev, 0),
209 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
214 USB_CTRL_SET_TIMEOUT);
217 static void asix_async_cmd_callback(struct urb *urb)
219 struct usb_ctrlrequest *req = (struct usb_ctrlrequest *)urb->context;
222 printk(KERN_DEBUG "asix_async_cmd_callback() failed with %d",
230 asix_write_cmd_async(struct usbnet *dev, u8 cmd, u16 value, u16 index,
231 u16 size, void *data)
233 struct usb_ctrlrequest *req;
237 devdbg(dev,"asix_write_cmd_async() cmd=0x%02x value=0x%04x index=0x%04x size=%d",
238 cmd, value, index, size);
239 if ((urb = usb_alloc_urb(0, GFP_ATOMIC)) == NULL) {
240 deverr(dev, "Error allocating URB in write_cmd_async!");
244 if ((req = kmalloc(sizeof(struct usb_ctrlrequest), GFP_ATOMIC)) == NULL) {
245 deverr(dev, "Failed to allocate memory for control request");
250 req->bRequestType = USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE;
256 usb_fill_control_urb(urb, dev->udev,
257 usb_sndctrlpipe(dev->udev, 0),
258 (void *)req, data, size,
259 asix_async_cmd_callback, req);
261 if((status = usb_submit_urb(urb, GFP_ATOMIC)) < 0) {
262 deverr(dev, "Error submitting the control message: status=%d",
269 static int asix_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
274 struct sk_buff *ax_skb;
277 head = (u8 *) skb->data;
278 memcpy(&header, head, sizeof(header));
279 le32_to_cpus(&header);
280 packet = head + sizeof(header);
284 while (skb->len > 0) {
285 if ((short)(header & 0x0000ffff) !=
286 ~((short)((header & 0xffff0000) >> 16))) {
287 deverr(dev,"asix_rx_fixup() Bad Header Length");
289 /* get the packet length */
290 size = (u16) (header & 0x0000ffff);
292 if ((skb->len) - ((size + 1) & 0xfffe) == 0)
294 if (size > ETH_FRAME_LEN) {
295 deverr(dev,"asix_rx_fixup() Bad RX Length %d", size);
298 ax_skb = skb_clone(skb, GFP_ATOMIC);
301 ax_skb->data = packet;
302 ax_skb->tail = packet + size;
303 usbnet_skb_return(dev, ax_skb);
308 skb_pull(skb, (size + 1) & 0xfffe);
313 head = (u8 *) skb->data;
314 memcpy(&header, head, sizeof(header));
315 le32_to_cpus(&header);
316 packet = head + sizeof(header);
321 deverr(dev,"asix_rx_fixup() Bad SKB Length %d", skb->len);
327 static struct sk_buff *asix_tx_fixup(struct usbnet *dev, struct sk_buff *skb,
331 int headroom = skb_headroom(skb);
332 int tailroom = skb_tailroom(skb);
334 u32 padbytes = 0xffff0000;
336 padlen = ((skb->len + 4) % 512) ? 0 : 4;
338 if ((!skb_cloned(skb))
339 && ((headroom + tailroom) >= (4 + padlen))) {
340 if ((headroom < 4) || (tailroom < padlen)) {
341 skb->data = memmove(skb->head + 4, skb->data, skb->len);
342 skb->tail = skb->data + skb->len;
345 struct sk_buff *skb2;
346 skb2 = skb_copy_expand(skb, 4, padlen, flags);
347 dev_kfree_skb_any(skb);
354 packet_len = (((skb->len - 4) ^ 0x0000ffff) << 16) + (skb->len - 4);
355 memcpy(skb->data, &packet_len, sizeof(packet_len));
357 if ((skb->len % 512) == 0) {
358 memcpy( skb->tail, &padbytes, sizeof(padbytes));
359 skb_put(skb, sizeof(padbytes));
364 static void asix_status(struct usbnet *dev, struct urb *urb)
366 struct ax88172_int_data *event;
369 if (urb->actual_length < 8)
372 event = urb->transfer_buffer;
373 link = event->link & 0x01;
374 if (netif_carrier_ok(dev->net) != link) {
376 netif_carrier_on(dev->net);
377 usbnet_defer_kevent (dev, EVENT_LINK_RESET );
379 netif_carrier_off(dev->net);
380 devdbg(dev, "Link Status is: %d", link);
384 static inline int asix_set_sw_mii(struct usbnet *dev)
387 ret = asix_write_cmd(dev, AX_CMD_SET_SW_MII, 0x0000, 0, 0, NULL);
389 deverr(dev, "Failed to enable software MII access");
393 static inline int asix_set_hw_mii(struct usbnet *dev)
396 ret = asix_write_cmd(dev, AX_CMD_SET_HW_MII, 0x0000, 0, 0, NULL);
398 deverr(dev, "Failed to enable hardware MII access");
402 static inline int asix_get_phy_addr(struct usbnet *dev)
407 devdbg(dev, "asix_get_phy_addr()");
409 buf = kmalloc(2, GFP_KERNEL);
413 if ((ret = asix_read_cmd(dev, AX_CMD_READ_PHY_ID,
414 0, 0, 2, buf)) < 2) {
415 deverr(dev, "Error reading PHYID register: %02x", ret);
418 devdbg(dev, "asix_get_phy_addr() returning 0x%04x", *((u16 *)buf));
419 ret = *((u8 *)buf + 1);
426 static int asix_sw_reset(struct usbnet *dev, u8 flags)
430 ret = asix_write_cmd(dev, AX_CMD_SW_RESET, flags, 0, 0, NULL);
432 deverr(dev,"Failed to send software reset: %02x", ret);
437 static u16 asix_read_rx_ctl(struct usbnet *dev)
442 buf = kmalloc(2, GFP_KERNEL);
446 if ((ret = asix_read_cmd(dev, AX_CMD_READ_RX_CTL,
447 0, 0, 2, buf)) < 2) {
448 deverr(dev, "Error reading RX_CTL register: %02x", ret);
451 ret = le16_to_cpu(*((u16 *)buf));
458 static int asix_write_rx_ctl(struct usbnet *dev, u16 mode)
462 devdbg(dev,"asix_write_rx_ctl() - mode = 0x%04x", mode);
463 ret = asix_write_cmd(dev, AX_CMD_WRITE_RX_CTL, mode, 0, 0, NULL);
465 deverr(dev, "Failed to write RX_CTL mode to 0x%04x: %02x",
471 static u16 asix_read_medium_status(struct usbnet *dev)
476 buf = kmalloc(2, GFP_KERNEL);
480 if ((ret = asix_read_cmd(dev, AX_CMD_READ_MEDIUM_STATUS,
481 0, 0, 2, buf)) < 2) {
482 deverr(dev, "Error reading Medium Status register: %02x", ret);
485 ret = le16_to_cpu(*((u16 *)buf));
492 static int asix_write_medium_mode(struct usbnet *dev, u16 mode)
496 devdbg(dev,"asix_write_medium_mode() - mode = 0x%04x", mode);
497 ret = asix_write_cmd(dev, AX_CMD_WRITE_MEDIUM_MODE, mode, 0, 0, NULL);
499 deverr(dev, "Failed to write Medium Mode mode to 0x%04x: %02x",
505 static int asix_write_gpio(struct usbnet *dev, u16 value, int sleep)
509 devdbg(dev,"asix_write_gpio() - value = 0x%04x", value);
510 ret = asix_write_cmd(dev, AX_CMD_WRITE_GPIOS, value, 0, 0, NULL);
512 deverr(dev, "Failed to write GPIO value 0x%04x: %02x",
522 * AX88772 & AX88178 have a 16-bit RX_CTL value
524 static void asix_set_multicast(struct net_device *net)
526 struct usbnet *dev = netdev_priv(net);
527 struct asix_data *data = (struct asix_data *)&dev->data;
528 u16 rx_ctl = AX_DEFAULT_RX_CTL;
530 if (net->flags & IFF_PROMISC) {
531 rx_ctl |= AX_RX_CTL_PRO;
532 } else if (net->flags & IFF_ALLMULTI
533 || net->mc_count > AX_MAX_MCAST) {
534 rx_ctl |= AX_RX_CTL_AMALL;
535 } else if (net->mc_count == 0) {
536 /* just broadcast and directed */
538 /* We use the 20 byte dev->data
539 * for our 8 byte filter buffer
540 * to avoid allocating memory that
541 * is tricky to free later */
542 struct dev_mc_list *mc_list = net->mc_list;
546 memset(data->multi_filter, 0, AX_MCAST_FILTER_SIZE);
548 /* Build the multicast hash filter. */
549 for (i = 0; i < net->mc_count; i++) {
552 mc_list->dmi_addr) >> 26;
553 data->multi_filter[crc_bits >> 3] |=
555 mc_list = mc_list->next;
558 asix_write_cmd_async(dev, AX_CMD_WRITE_MULTI_FILTER, 0, 0,
559 AX_MCAST_FILTER_SIZE, data->multi_filter);
561 rx_ctl |= AX_RX_CTL_AM;
564 asix_write_cmd_async(dev, AX_CMD_WRITE_RX_CTL, rx_ctl, 0, 0, NULL);
567 static int asix_mdio_read(struct net_device *netdev, int phy_id, int loc)
569 struct usbnet *dev = netdev_priv(netdev);
572 mutex_lock(&dev->phy_mutex);
573 asix_set_sw_mii(dev);
574 asix_read_cmd(dev, AX_CMD_READ_MII_REG, phy_id,
575 (__u16)loc, 2, (u16 *)&res);
576 asix_set_hw_mii(dev);
577 mutex_unlock(&dev->phy_mutex);
579 devdbg(dev, "asix_mdio_read() phy_id=0x%02x, loc=0x%02x, returns=0x%04x", phy_id, loc, le16_to_cpu(res & 0xffff));
581 return le16_to_cpu(res & 0xffff);
585 asix_mdio_write(struct net_device *netdev, int phy_id, int loc, int val)
587 struct usbnet *dev = netdev_priv(netdev);
588 u16 res = cpu_to_le16(val);
590 devdbg(dev, "asix_mdio_write() phy_id=0x%02x, loc=0x%02x, val=0x%04x", phy_id, loc, val);
591 mutex_lock(&dev->phy_mutex);
592 asix_set_sw_mii(dev);
593 asix_write_cmd(dev, AX_CMD_WRITE_MII_REG, phy_id,
594 (__u16)loc, 2, (u16 *)&res);
595 asix_set_hw_mii(dev);
596 mutex_unlock(&dev->phy_mutex);
599 /* Get the PHY Identifier from the PHYSID1 & PHYSID2 MII registers */
600 static u32 asix_get_phyid(struct usbnet *dev)
605 phy_reg = asix_mdio_read(dev->net, dev->mii.phy_id, MII_PHYSID1);
609 phy_id = (phy_reg & 0xffff) << 16;
611 phy_reg = asix_mdio_read(dev->net, dev->mii.phy_id, MII_PHYSID2);
615 phy_id |= (phy_reg & 0xffff);
621 asix_get_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo)
623 struct usbnet *dev = netdev_priv(net);
626 if (asix_read_cmd(dev, AX_CMD_READ_MONITOR_MODE, 0, 0, 1, &opt) < 0) {
627 wolinfo->supported = 0;
628 wolinfo->wolopts = 0;
631 wolinfo->supported = WAKE_PHY | WAKE_MAGIC;
632 wolinfo->wolopts = 0;
633 if (opt & AX_MONITOR_MODE) {
634 if (opt & AX_MONITOR_LINK)
635 wolinfo->wolopts |= WAKE_PHY;
636 if (opt & AX_MONITOR_MAGIC)
637 wolinfo->wolopts |= WAKE_MAGIC;
642 asix_set_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo)
644 struct usbnet *dev = netdev_priv(net);
648 if (wolinfo->wolopts & WAKE_PHY)
649 opt |= AX_MONITOR_LINK;
650 if (wolinfo->wolopts & WAKE_MAGIC)
651 opt |= AX_MONITOR_MAGIC;
653 opt |= AX_MONITOR_MODE;
655 if (asix_write_cmd(dev, AX_CMD_WRITE_MONITOR_MODE,
656 opt, 0, 0, &buf) < 0)
662 static int asix_get_eeprom_len(struct net_device *net)
664 struct usbnet *dev = netdev_priv(net);
665 struct asix_data *data = (struct asix_data *)&dev->data;
667 return data->eeprom_len;
670 static int asix_get_eeprom(struct net_device *net,
671 struct ethtool_eeprom *eeprom, u8 *data)
673 struct usbnet *dev = netdev_priv(net);
674 u16 *ebuf = (u16 *)data;
677 /* Crude hack to ensure that we don't overwrite memory
678 * if an odd length is supplied
683 eeprom->magic = AX_EEPROM_MAGIC;
685 /* ax8817x returns 2 bytes from eeprom on read */
686 for (i=0; i < eeprom->len / 2; i++) {
687 if (asix_read_cmd(dev, AX_CMD_READ_EEPROM,
688 eeprom->offset + i, 0, 2, &ebuf[i]) < 0)
694 static void asix_get_drvinfo (struct net_device *net,
695 struct ethtool_drvinfo *info)
697 struct usbnet *dev = netdev_priv(net);
698 struct asix_data *data = (struct asix_data *)&dev->data;
700 /* Inherit standard device info */
701 usbnet_get_drvinfo(net, info);
702 strncpy (info->driver, driver_name, sizeof info->driver);
703 strncpy (info->version, DRIVER_VERSION, sizeof info->version);
704 info->eedump_len = data->eeprom_len;
707 static u32 asix_get_link(struct net_device *net)
709 struct usbnet *dev = netdev_priv(net);
711 return mii_link_ok(&dev->mii);
714 static int asix_ioctl (struct net_device *net, struct ifreq *rq, int cmd)
716 struct usbnet *dev = netdev_priv(net);
718 return generic_mii_ioctl(&dev->mii, if_mii(rq), cmd, NULL);
721 /* We need to override some ethtool_ops so we require our
722 own structure so we don't interfere with other usbnet
723 devices that may be connected at the same time. */
724 static struct ethtool_ops ax88172_ethtool_ops = {
725 .get_drvinfo = asix_get_drvinfo,
726 .get_link = asix_get_link,
727 .get_msglevel = usbnet_get_msglevel,
728 .set_msglevel = usbnet_set_msglevel,
729 .get_wol = asix_get_wol,
730 .set_wol = asix_set_wol,
731 .get_eeprom_len = asix_get_eeprom_len,
732 .get_eeprom = asix_get_eeprom,
733 .get_settings = usbnet_get_settings,
734 .set_settings = usbnet_set_settings,
735 .nway_reset = usbnet_nway_reset,
738 static void ax88172_set_multicast(struct net_device *net)
740 struct usbnet *dev = netdev_priv(net);
741 struct asix_data *data = (struct asix_data *)&dev->data;
744 if (net->flags & IFF_PROMISC) {
746 } else if (net->flags & IFF_ALLMULTI
747 || net->mc_count > AX_MAX_MCAST) {
749 } else if (net->mc_count == 0) {
750 /* just broadcast and directed */
752 /* We use the 20 byte dev->data
753 * for our 8 byte filter buffer
754 * to avoid allocating memory that
755 * is tricky to free later */
756 struct dev_mc_list *mc_list = net->mc_list;
760 memset(data->multi_filter, 0, AX_MCAST_FILTER_SIZE);
762 /* Build the multicast hash filter. */
763 for (i = 0; i < net->mc_count; i++) {
766 mc_list->dmi_addr) >> 26;
767 data->multi_filter[crc_bits >> 3] |=
769 mc_list = mc_list->next;
772 asix_write_cmd_async(dev, AX_CMD_WRITE_MULTI_FILTER, 0, 0,
773 AX_MCAST_FILTER_SIZE, data->multi_filter);
778 asix_write_cmd_async(dev, AX_CMD_WRITE_RX_CTL, rx_ctl, 0, 0, NULL);
781 static int ax88172_link_reset(struct usbnet *dev)
784 struct ethtool_cmd ecmd;
786 mii_check_media(&dev->mii, 1, 1);
787 mii_ethtool_gset(&dev->mii, &ecmd);
788 mode = AX88172_MEDIUM_DEFAULT;
790 if (ecmd.duplex != DUPLEX_FULL)
791 mode |= ~AX88172_MEDIUM_FD;
793 devdbg(dev, "ax88172_link_reset() speed: %d duplex: %d setting mode to 0x%04x", ecmd.speed, ecmd.duplex, mode);
795 asix_write_medium_mode(dev, mode);
800 static int ax88172_bind(struct usbnet *dev, struct usb_interface *intf)
805 unsigned long gpio_bits = dev->driver_info->data;
806 struct asix_data *data = (struct asix_data *)&dev->data;
808 data->eeprom_len = AX88172_EEPROM_LEN;
810 usbnet_get_endpoints(dev,intf);
812 buf = kmalloc(ETH_ALEN, GFP_KERNEL);
818 /* Toggle the GPIOs in a manufacturer/model specific way */
819 for (i = 2; i >= 0; i--) {
820 if ((ret = asix_write_cmd(dev, AX_CMD_WRITE_GPIOS,
821 (gpio_bits >> (i * 8)) & 0xff, 0, 0,
827 if ((ret = asix_write_rx_ctl(dev, 0x80)) < 0)
830 /* Get the MAC address */
831 memset(buf, 0, ETH_ALEN);
832 if ((ret = asix_read_cmd(dev, AX88172_CMD_READ_NODE_ID,
833 0, 0, 6, buf)) < 0) {
834 dbg("read AX_CMD_READ_NODE_ID failed: %d", ret);
837 memcpy(dev->net->dev_addr, buf, ETH_ALEN);
839 /* Initialize MII structure */
840 dev->mii.dev = dev->net;
841 dev->mii.mdio_read = asix_mdio_read;
842 dev->mii.mdio_write = asix_mdio_write;
843 dev->mii.phy_id_mask = 0x3f;
844 dev->mii.reg_num_mask = 0x1f;
845 dev->mii.phy_id = asix_get_phy_addr(dev);
846 dev->net->do_ioctl = asix_ioctl;
848 dev->net->set_multicast_list = ax88172_set_multicast;
849 dev->net->ethtool_ops = &ax88172_ethtool_ops;
851 asix_mdio_write(dev->net, dev->mii.phy_id, MII_BMCR, BMCR_RESET);
852 asix_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE,
853 ADVERTISE_ALL | ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
854 mii_nway_restart(&dev->mii);
863 static struct ethtool_ops ax88772_ethtool_ops = {
864 .get_drvinfo = asix_get_drvinfo,
865 .get_link = asix_get_link,
866 .get_msglevel = usbnet_get_msglevel,
867 .set_msglevel = usbnet_set_msglevel,
868 .get_wol = asix_get_wol,
869 .set_wol = asix_set_wol,
870 .get_eeprom_len = asix_get_eeprom_len,
871 .get_eeprom = asix_get_eeprom,
872 .get_settings = usbnet_get_settings,
873 .set_settings = usbnet_set_settings,
874 .nway_reset = usbnet_nway_reset,
877 static int ax88772_link_reset(struct usbnet *dev)
880 struct ethtool_cmd ecmd;
882 mii_check_media(&dev->mii, 1, 1);
883 mii_ethtool_gset(&dev->mii, &ecmd);
884 mode = AX88772_MEDIUM_DEFAULT;
886 if (ecmd.speed != SPEED_100)
887 mode &= ~AX_MEDIUM_PS;
889 if (ecmd.duplex != DUPLEX_FULL)
890 mode &= ~AX_MEDIUM_FD;
892 devdbg(dev, "ax88772_link_reset() speed: %d duplex: %d setting mode to 0x%04x", ecmd.speed, ecmd.duplex, mode);
894 asix_write_medium_mode(dev, mode);
899 static int ax88772_bind(struct usbnet *dev, struct usb_interface *intf)
904 struct asix_data *data = (struct asix_data *)&dev->data;
907 data->eeprom_len = AX88772_EEPROM_LEN;
909 usbnet_get_endpoints(dev,intf);
911 buf = kmalloc(6, GFP_KERNEL);
913 dbg ("Cannot allocate memory for buffer");
918 if ((ret = asix_write_gpio(dev,
919 AX_GPIO_RSE | AX_GPIO_GPO_2 | AX_GPIO_GPO2EN, 5)) < 0)
922 if ((ret = asix_write_cmd(dev, AX_CMD_SW_PHY_SELECT,
923 0x0000, 0, 0, buf)) < 0) {
924 dbg("Select PHY #1 failed: %d", ret);
928 if ((ret = asix_sw_reset(dev, AX_SWRESET_IPPD)) < 0)
932 if ((ret = asix_sw_reset(dev, AX_SWRESET_CLEAR)) < 0)
936 if ((ret = asix_sw_reset(dev, AX_SWRESET_IPRL | AX_SWRESET_PRL)) < 0)
940 rx_ctl = asix_read_rx_ctl(dev);
941 dbg("RX_CTL is 0x%04x after software reset", rx_ctl);
942 if ((ret = asix_write_rx_ctl(dev, 0x0000)) < 0)
945 rx_ctl = asix_read_rx_ctl(dev);
946 dbg("RX_CTL is 0x%04x setting to 0x0000", rx_ctl);
948 /* Get the MAC address */
949 memset(buf, 0, ETH_ALEN);
950 if ((ret = asix_read_cmd(dev, AX_CMD_READ_NODE_ID,
951 0, 0, ETH_ALEN, buf)) < 0) {
952 dbg("Failed to read MAC address: %d", ret);
955 memcpy(dev->net->dev_addr, buf, ETH_ALEN);
957 /* Initialize MII structure */
958 dev->mii.dev = dev->net;
959 dev->mii.mdio_read = asix_mdio_read;
960 dev->mii.mdio_write = asix_mdio_write;
961 dev->mii.phy_id_mask = 0x1f;
962 dev->mii.reg_num_mask = 0x1f;
963 dev->net->do_ioctl = asix_ioctl;
964 dev->mii.phy_id = asix_get_phy_addr(dev);
966 phyid = asix_get_phyid(dev);
967 dbg("PHYID=0x%08x", phyid);
969 if ((ret = asix_sw_reset(dev, AX_SWRESET_PRL)) < 0)
974 if ((ret = asix_sw_reset(dev, AX_SWRESET_IPRL | AX_SWRESET_PRL)) < 0)
979 dev->net->set_multicast_list = asix_set_multicast;
980 dev->net->ethtool_ops = &ax88772_ethtool_ops;
982 asix_mdio_write(dev->net, dev->mii.phy_id, MII_BMCR, BMCR_RESET);
983 asix_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE,
984 ADVERTISE_ALL | ADVERTISE_CSMA);
985 mii_nway_restart(&dev->mii);
987 if ((ret = asix_write_medium_mode(dev, AX88772_MEDIUM_DEFAULT)) < 0)
990 if ((ret = asix_write_cmd(dev, AX_CMD_WRITE_IPG0,
991 AX88772_IPG0_DEFAULT | AX88772_IPG1_DEFAULT,
992 AX88772_IPG2_DEFAULT, 0, buf)) < 0) {
993 dbg("Write IPG,IPG1,IPG2 failed: %d", ret);
997 /* Set RX_CTL to default values with 2k buffer, and enable cactus */
998 if ((ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL)) < 0)
1001 rx_ctl = asix_read_rx_ctl(dev);
1002 dbg("RX_CTL is 0x%04x after all initializations", rx_ctl);
1004 rx_ctl = asix_read_medium_status(dev);
1005 dbg("Medium Status is 0x%04x after all initializations", rx_ctl);
1009 /* Asix framing packs multiple eth frames into a 2K usb bulk transfer */
1010 if (dev->driver_info->flags & FLAG_FRAMING_AX) {
1011 /* hard_mtu is still the default - the device does not support
1013 dev->rx_urb_size = 2048;
1024 static struct ethtool_ops ax88178_ethtool_ops = {
1025 .get_drvinfo = asix_get_drvinfo,
1026 .get_link = asix_get_link,
1027 .get_msglevel = usbnet_get_msglevel,
1028 .set_msglevel = usbnet_set_msglevel,
1029 .get_wol = asix_get_wol,
1030 .set_wol = asix_set_wol,
1031 .get_eeprom_len = asix_get_eeprom_len,
1032 .get_eeprom = asix_get_eeprom,
1033 .get_settings = usbnet_get_settings,
1034 .set_settings = usbnet_set_settings,
1035 .nway_reset = usbnet_nway_reset,
1038 static int marvell_phy_init(struct usbnet *dev)
1040 struct asix_data *data = (struct asix_data *)&dev->data;
1043 devdbg(dev,"marvell_phy_init()");
1045 reg = asix_mdio_read(dev->net, dev->mii.phy_id, MII_MARVELL_STATUS);
1046 devdbg(dev,"MII_MARVELL_STATUS = 0x%04x", reg);
1048 asix_mdio_write(dev->net, dev->mii.phy_id, MII_MARVELL_CTRL,
1049 MARVELL_CTRL_RXDELAY | MARVELL_CTRL_TXDELAY);
1051 if (data->ledmode) {
1052 reg = asix_mdio_read(dev->net, dev->mii.phy_id,
1053 MII_MARVELL_LED_CTRL);
1054 devdbg(dev,"MII_MARVELL_LED_CTRL (1) = 0x%04x", reg);
1057 reg |= (1 + 0x0100);
1058 asix_mdio_write(dev->net, dev->mii.phy_id,
1059 MII_MARVELL_LED_CTRL, reg);
1061 reg = asix_mdio_read(dev->net, dev->mii.phy_id,
1062 MII_MARVELL_LED_CTRL);
1063 devdbg(dev,"MII_MARVELL_LED_CTRL (2) = 0x%04x", reg);
1070 static int marvell_led_status(struct usbnet *dev, u16 speed)
1072 u16 reg = asix_mdio_read(dev->net, dev->mii.phy_id, MARVELL_LED_MANUAL);
1074 devdbg(dev, "marvell_led_status() read 0x%04x", reg);
1076 /* Clear out the center LED bits - 0x03F0 */
1090 devdbg(dev, "marvell_led_status() writing 0x%04x", reg);
1091 asix_mdio_write(dev->net, dev->mii.phy_id, MARVELL_LED_MANUAL, reg);
1096 static int ax88178_link_reset(struct usbnet *dev)
1099 struct ethtool_cmd ecmd;
1100 struct asix_data *data = (struct asix_data *)&dev->data;
1102 devdbg(dev,"ax88178_link_reset()");
1104 mii_check_media(&dev->mii, 1, 1);
1105 mii_ethtool_gset(&dev->mii, &ecmd);
1106 mode = AX88178_MEDIUM_DEFAULT;
1108 if (ecmd.speed == SPEED_1000)
1109 mode |= AX_MEDIUM_GM | AX_MEDIUM_ENCK;
1110 else if (ecmd.speed == SPEED_100)
1111 mode |= AX_MEDIUM_PS;
1113 mode &= ~(AX_MEDIUM_PS | AX_MEDIUM_GM);
1115 if (ecmd.duplex == DUPLEX_FULL)
1116 mode |= AX_MEDIUM_FD;
1118 mode &= ~AX_MEDIUM_FD;
1120 devdbg(dev, "ax88178_link_reset() speed: %d duplex: %d setting mode to 0x%04x", ecmd.speed, ecmd.duplex, mode);
1122 asix_write_medium_mode(dev, mode);
1124 if (data->phymode == PHY_MODE_MARVELL && data->ledmode)
1125 marvell_led_status(dev, ecmd.speed);
1130 static void ax88178_set_mfb(struct usbnet *dev)
1132 u16 mfb = AX_RX_CTL_MFB_16384;
1135 int old_rx_urb_size = dev->rx_urb_size;
1137 if (dev->hard_mtu < 2048) {
1138 dev->rx_urb_size = 2048;
1139 mfb = AX_RX_CTL_MFB_2048;
1140 } else if (dev->hard_mtu < 4096) {
1141 dev->rx_urb_size = 4096;
1142 mfb = AX_RX_CTL_MFB_4096;
1143 } else if (dev->hard_mtu < 8192) {
1144 dev->rx_urb_size = 8192;
1145 mfb = AX_RX_CTL_MFB_8192;
1146 } else if (dev->hard_mtu < 16384) {
1147 dev->rx_urb_size = 16384;
1148 mfb = AX_RX_CTL_MFB_16384;
1151 rxctl = asix_read_rx_ctl(dev);
1152 asix_write_rx_ctl(dev, (rxctl & ~AX_RX_CTL_MFB_16384) | mfb);
1154 medium = asix_read_medium_status(dev);
1155 if (dev->net->mtu > 1500)
1156 medium |= AX_MEDIUM_JFE;
1158 medium &= ~AX_MEDIUM_JFE;
1159 asix_write_medium_mode(dev, medium);
1161 if (dev->rx_urb_size > old_rx_urb_size)
1162 usbnet_unlink_rx_urbs(dev);
1165 static int ax88178_change_mtu(struct net_device *net, int new_mtu)
1167 struct usbnet *dev = netdev_priv(net);
1168 int ll_mtu = new_mtu + net->hard_header_len + 4;
1170 devdbg(dev, "ax88178_change_mtu() new_mtu=%d", new_mtu);
1172 if (new_mtu <= 0 || ll_mtu > 16384)
1175 if ((ll_mtu % dev->maxpacket) == 0)
1179 dev->hard_mtu = net->mtu + net->hard_header_len;
1180 ax88178_set_mfb(dev);
1185 static int ax88178_bind(struct usbnet *dev, struct usb_interface *intf)
1187 struct asix_data *data = (struct asix_data *)&dev->data;
1194 usbnet_get_endpoints(dev,intf);
1196 buf = kmalloc(6, GFP_KERNEL);
1198 dbg ("Cannot allocate memory for buffer");
1204 asix_read_cmd(dev, AX_CMD_READ_GPIOS, 0, 0, 1, &eeprom);
1205 dbg("GPIO Status: 0x%04x", eeprom);
1207 asix_write_cmd(dev, AX_CMD_WRITE_ENABLE, 0, 0, 0, NULL);
1208 asix_read_cmd(dev, AX_CMD_READ_EEPROM, 0x0017, 0, 2, &eeprom);
1209 asix_write_cmd(dev, AX_CMD_WRITE_DISABLE, 0, 0, 0, NULL);
1211 dbg("EEPROM index 0x17 is 0x%04x", eeprom);
1213 if (eeprom == 0xffff) {
1214 data->phymode = PHY_MODE_MARVELL;
1218 data->phymode = eeprom & 7;
1219 data->ledmode = eeprom >> 8;
1220 gpio0 = (eeprom & 0x80) ? 0 : 1;
1222 dbg("GPIO0: %d, PhyMode: %d", gpio0, data->phymode);
1224 asix_write_gpio(dev, AX_GPIO_RSE | AX_GPIO_GPO_1 | AX_GPIO_GPO1EN, 40);
1225 if ((eeprom >> 8) != 1) {
1226 asix_write_gpio(dev, 0x003c, 30);
1227 asix_write_gpio(dev, 0x001c, 300);
1228 asix_write_gpio(dev, 0x003c, 30);
1230 dbg("gpio phymode == 1 path");
1231 asix_write_gpio(dev, AX_GPIO_GPO1EN, 30);
1232 asix_write_gpio(dev, AX_GPIO_GPO1EN | AX_GPIO_GPO_1, 30);
1235 asix_sw_reset(dev, 0);
1238 asix_sw_reset(dev, AX_SWRESET_PRL | AX_SWRESET_IPPD);
1241 asix_write_rx_ctl(dev, 0);
1243 /* Get the MAC address */
1244 memset(buf, 0, ETH_ALEN);
1245 if ((ret = asix_read_cmd(dev, AX_CMD_READ_NODE_ID,
1246 0, 0, ETH_ALEN, buf)) < 0) {
1247 dbg("Failed to read MAC address: %d", ret);
1250 memcpy(dev->net->dev_addr, buf, ETH_ALEN);
1252 /* Initialize MII structure */
1253 dev->mii.dev = dev->net;
1254 dev->mii.mdio_read = asix_mdio_read;
1255 dev->mii.mdio_write = asix_mdio_write;
1256 dev->mii.phy_id_mask = 0x1f;
1257 dev->mii.reg_num_mask = 0xff;
1258 dev->mii.supports_gmii = 1;
1259 dev->net->do_ioctl = asix_ioctl;
1260 dev->mii.phy_id = asix_get_phy_addr(dev);
1261 dev->net->set_multicast_list = asix_set_multicast;
1262 dev->net->ethtool_ops = &ax88178_ethtool_ops;
1263 dev->net->change_mtu = &ax88178_change_mtu;
1265 phyid = asix_get_phyid(dev);
1266 dbg("PHYID=0x%08x", phyid);
1268 if (data->phymode == PHY_MODE_MARVELL) {
1269 marvell_phy_init(dev);
1273 asix_mdio_write(dev->net, dev->mii.phy_id, MII_BMCR,
1274 BMCR_RESET | BMCR_ANENABLE);
1275 asix_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE,
1276 ADVERTISE_ALL | ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP);
1277 asix_mdio_write(dev->net, dev->mii.phy_id, MII_CTRL1000,
1278 ADVERTISE_1000FULL);
1280 mii_nway_restart(&dev->mii);
1282 if ((ret = asix_write_medium_mode(dev, AX88178_MEDIUM_DEFAULT)) < 0)
1285 if ((ret = asix_write_rx_ctl(dev, AX_DEFAULT_RX_CTL)) < 0)
1290 /* Asix framing packs multiple eth frames into a 2K usb bulk transfer */
1291 if (dev->driver_info->flags & FLAG_FRAMING_AX) {
1292 /* hard_mtu is still the default - the device does not support
1294 dev->rx_urb_size = 2048;
1305 static const struct driver_info ax8817x_info = {
1306 .description = "ASIX AX8817x USB 2.0 Ethernet",
1307 .bind = ax88172_bind,
1308 .status = asix_status,
1309 .link_reset = ax88172_link_reset,
1310 .reset = ax88172_link_reset,
1311 .flags = FLAG_ETHER,
1315 static const struct driver_info dlink_dub_e100_info = {
1316 .description = "DLink DUB-E100 USB Ethernet",
1317 .bind = ax88172_bind,
1318 .status = asix_status,
1319 .link_reset = ax88172_link_reset,
1320 .reset = ax88172_link_reset,
1321 .flags = FLAG_ETHER,
1325 static const struct driver_info netgear_fa120_info = {
1326 .description = "Netgear FA-120 USB Ethernet",
1327 .bind = ax88172_bind,
1328 .status = asix_status,
1329 .link_reset = ax88172_link_reset,
1330 .reset = ax88172_link_reset,
1331 .flags = FLAG_ETHER,
1335 static const struct driver_info hawking_uf200_info = {
1336 .description = "Hawking UF200 USB Ethernet",
1337 .bind = ax88172_bind,
1338 .status = asix_status,
1339 .link_reset = ax88172_link_reset,
1340 .reset = ax88172_link_reset,
1341 .flags = FLAG_ETHER,
1345 static const struct driver_info ax88772_info = {
1346 .description = "ASIX AX88772 USB 2.0 Ethernet",
1347 .bind = ax88772_bind,
1348 .status = asix_status,
1349 .link_reset = ax88772_link_reset,
1350 .reset = ax88772_link_reset,
1351 .flags = FLAG_ETHER | FLAG_FRAMING_AX,
1352 .rx_fixup = asix_rx_fixup,
1353 .tx_fixup = asix_tx_fixup,
1356 static const struct driver_info ax88178_info = {
1357 .description = "ASIX AX88178 USB 2.0 Ethernet",
1358 .bind = ax88178_bind,
1359 .status = asix_status,
1360 .link_reset = ax88178_link_reset,
1361 .reset = ax88178_link_reset,
1362 .flags = FLAG_ETHER | FLAG_FRAMING_AX,
1363 .rx_fixup = asix_rx_fixup,
1364 .tx_fixup = asix_tx_fixup,
1367 static const struct usb_device_id products [] = {
1370 USB_DEVICE (0x077b, 0x2226),
1371 .driver_info = (unsigned long) &ax8817x_info,
1374 USB_DEVICE (0x0846, 0x1040),
1375 .driver_info = (unsigned long) &netgear_fa120_info,
1378 USB_DEVICE (0x2001, 0x1a00),
1379 .driver_info = (unsigned long) &dlink_dub_e100_info,
1381 // Intellinet, ST Lab USB Ethernet
1382 USB_DEVICE (0x0b95, 0x1720),
1383 .driver_info = (unsigned long) &ax8817x_info,
1385 // Hawking UF200, TrendNet TU2-ET100
1386 USB_DEVICE (0x07b8, 0x420a),
1387 .driver_info = (unsigned long) &hawking_uf200_info,
1389 // Billionton Systems, USB2AR
1390 USB_DEVICE (0x08dd, 0x90ff),
1391 .driver_info = (unsigned long) &ax8817x_info,
1394 USB_DEVICE (0x0557, 0x2009),
1395 .driver_info = (unsigned long) &ax8817x_info,
1397 // Buffalo LUA-U2-KTX
1398 USB_DEVICE (0x0411, 0x003d),
1399 .driver_info = (unsigned long) &ax8817x_info,
1401 // Sitecom LN-029 "USB 2.0 10/100 Ethernet adapter"
1402 USB_DEVICE (0x6189, 0x182d),
1403 .driver_info = (unsigned long) &ax8817x_info,
1405 // corega FEther USB2-TX
1406 USB_DEVICE (0x07aa, 0x0017),
1407 .driver_info = (unsigned long) &ax8817x_info,
1409 // Surecom EP-1427X-2
1410 USB_DEVICE (0x1189, 0x0893),
1411 .driver_info = (unsigned long) &ax8817x_info,
1413 // goodway corp usb gwusb2e
1414 USB_DEVICE (0x1631, 0x6200),
1415 .driver_info = (unsigned long) &ax8817x_info,
1417 // ASIX AX88772 10/100
1418 USB_DEVICE (0x0b95, 0x7720),
1419 .driver_info = (unsigned long) &ax88772_info,
1421 // ASIX AX88178 10/100/1000
1422 USB_DEVICE (0x0b95, 0x1780),
1423 .driver_info = (unsigned long) &ax88178_info,
1425 // Linksys USB200M Rev 2
1426 USB_DEVICE (0x13b1, 0x0018),
1427 .driver_info = (unsigned long) &ax88772_info,
1429 // 0Q0 cable ethernet
1430 USB_DEVICE (0x1557, 0x7720),
1431 .driver_info = (unsigned long) &ax88772_info,
1433 // DLink DUB-E100 H/W Ver B1
1434 USB_DEVICE (0x07d1, 0x3c05),
1435 .driver_info = (unsigned long) &ax88772_info,
1437 // DLink DUB-E100 H/W Ver B1 Alternate
1438 USB_DEVICE (0x2001, 0x3c05),
1439 .driver_info = (unsigned long) &ax88772_info,
1442 USB_DEVICE (0x1737, 0x0039),
1443 .driver_info = (unsigned long) &ax88178_info,
1447 MODULE_DEVICE_TABLE(usb, products);
1449 static struct usb_driver asix_driver = {
1451 .id_table = products,
1452 .probe = usbnet_probe,
1453 .suspend = usbnet_suspend,
1454 .resume = usbnet_resume,
1455 .disconnect = usbnet_disconnect,
1458 static int __init asix_init(void)
1460 return usb_register(&asix_driver);
1462 module_init(asix_init);
1464 static void __exit asix_exit(void)
1466 usb_deregister(&asix_driver);
1468 module_exit(asix_exit);
1470 MODULE_AUTHOR("David Hollis");
1471 MODULE_DESCRIPTION("ASIX AX8817X based USB 2.0 Ethernet Devices");
1472 MODULE_LICENSE("GPL");