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1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * Driver for USB ethernet port of Conexant CX82310-based ADSL routers
4 * Copyright (C) 2010 by Ondrej Zary
5 * some parts inspired by the cxacru driver
6 */
7
8#include <linux/module.h>
9#include <linux/netdevice.h>
10#include <linux/etherdevice.h>
11#include <linux/ethtool.h>
12#include <linux/workqueue.h>
13#include <linux/mii.h>
14#include <linux/usb.h>
15#include <linux/usb/usbnet.h>
16
17enum cx82310_cmd {
18 CMD_START = 0x84, /* no effect? */
19 CMD_STOP = 0x85, /* no effect? */
20 CMD_GET_STATUS = 0x90, /* returns nothing? */
21 CMD_GET_MAC_ADDR = 0x91, /* read MAC address */
22 CMD_GET_LINK_STATUS = 0x92, /* not useful, link is always up */
23 CMD_ETHERNET_MODE = 0x99, /* unknown, needed during init */
24};
25
26enum cx82310_status {
27 STATUS_UNDEFINED,
28 STATUS_SUCCESS,
29 STATUS_ERROR,
30 STATUS_UNSUPPORTED,
31 STATUS_UNIMPLEMENTED,
32 STATUS_PARAMETER_ERROR,
33 STATUS_DBG_LOOPBACK,
34};
35
36#define CMD_PACKET_SIZE 64
37#define CMD_TIMEOUT 100
38#define CMD_REPLY_RETRY 5
39
40#define CX82310_MTU 1514
41#define CMD_EP 0x01
42
43struct cx82310_priv {
44 struct work_struct reenable_work;
45 struct usbnet *dev;
46};
47
48/*
49 * execute control command
50 * - optionally send some data (command parameters)
51 * - optionally wait for the reply
52 * - optionally read some data from the reply
53 */
54static int cx82310_cmd(struct usbnet *dev, enum cx82310_cmd cmd, bool reply,
55 u8 *wdata, int wlen, u8 *rdata, int rlen)
56{
57 int actual_len, retries, ret;
58 struct usb_device *udev = dev->udev;
59 u8 *buf = kzalloc(CMD_PACKET_SIZE, GFP_KERNEL);
60
61 if (!buf)
62 return -ENOMEM;
63
64 /* create command packet */
65 buf[0] = cmd;
66 if (wdata)
67 memcpy(buf + 4, wdata, min_t(int, wlen, CMD_PACKET_SIZE - 4));
68
69 /* send command packet */
70 ret = usb_bulk_msg(udev, usb_sndbulkpipe(udev, CMD_EP), buf,
71 CMD_PACKET_SIZE, &actual_len, CMD_TIMEOUT);
72 if (ret < 0) {
73 if (cmd != CMD_GET_LINK_STATUS)
74 netdev_err(dev->net, "send command %#x: error %d\n",
75 cmd, ret);
76 goto end;
77 }
78
79 if (reply) {
80 /* wait for reply, retry if it's empty */
81 for (retries = 0; retries < CMD_REPLY_RETRY; retries++) {
82 ret = usb_bulk_msg(udev, usb_rcvbulkpipe(udev, CMD_EP),
83 buf, CMD_PACKET_SIZE, &actual_len,
84 CMD_TIMEOUT);
85 if (ret < 0) {
86 if (cmd != CMD_GET_LINK_STATUS)
87 netdev_err(dev->net, "reply receive error %d\n",
88 ret);
89 goto end;
90 }
91 if (actual_len > 0)
92 break;
93 }
94 if (actual_len == 0) {
95 netdev_err(dev->net, "no reply to command %#x\n", cmd);
96 ret = -EIO;
97 goto end;
98 }
99 if (buf[0] != cmd) {
100 netdev_err(dev->net, "got reply to command %#x, expected: %#x\n",
101 buf[0], cmd);
102 ret = -EIO;
103 goto end;
104 }
105 if (buf[1] != STATUS_SUCCESS) {
106 netdev_err(dev->net, "command %#x failed: %#x\n", cmd,
107 buf[1]);
108 ret = -EIO;
109 goto end;
110 }
111 if (rdata)
112 memcpy(rdata, buf + 4,
113 min_t(int, rlen, CMD_PACKET_SIZE - 4));
114 }
115end:
116 kfree(buf);
117 return ret;
118}
119
120static int cx82310_enable_ethernet(struct usbnet *dev)
121{
122 int ret = cx82310_cmd(dev, CMD_ETHERNET_MODE, true, "\x01", 1, NULL, 0);
123
124 if (ret)
125 netdev_err(dev->net, "unable to enable ethernet mode: %d\n",
126 ret);
127 return ret;
128}
129
130static void cx82310_reenable_work(struct work_struct *work)
131{
132 struct cx82310_priv *priv = container_of(work, struct cx82310_priv,
133 reenable_work);
134 cx82310_enable_ethernet(priv->dev);
135}
136
137#define partial_len data[0] /* length of partial packet data */
138#define partial_rem data[1] /* remaining (missing) data length */
139#define partial_data data[2] /* partial packet data */
140
141static int cx82310_bind(struct usbnet *dev, struct usb_interface *intf)
142{
143 int ret;
144 char buf[15];
145 struct usb_device *udev = dev->udev;
146 u8 link[3];
147 int timeout = 50;
148 struct cx82310_priv *priv;
149 u8 addr[ETH_ALEN];
150
151 /* avoid ADSL modems - continue only if iProduct is "USB NET CARD" */
152 if (usb_string(udev, udev->descriptor.iProduct, buf, sizeof(buf)) > 0
153 && strcmp(buf, "USB NET CARD")) {
154 dev_info(&udev->dev, "ignoring: probably an ADSL modem\n");
155 return -ENODEV;
156 }
157
158 ret = usbnet_get_endpoints(dev, intf);
159 if (ret)
160 return ret;
161
162 /*
163 * this must not include ethernet header as the device can send partial
164 * packets with no header (and sometimes even empty URBs)
165 */
166 dev->net->hard_header_len = 0;
167 /* we can send at most 1514 bytes of data (+ 2-byte header) per URB */
168 dev->hard_mtu = CX82310_MTU + 2;
169 /* we can receive URBs up to 4KB from the device */
170 dev->rx_urb_size = 4096;
171
172 dev->partial_data = (unsigned long) kmalloc(dev->hard_mtu, GFP_KERNEL);
173 if (!dev->partial_data)
174 return -ENOMEM;
175
176 priv = kzalloc(sizeof(*priv), GFP_KERNEL);
177 if (!priv) {
178 ret = -ENOMEM;
179 goto err_partial;
180 }
181 dev->driver_priv = priv;
182 INIT_WORK(&priv->reenable_work, cx82310_reenable_work);
183 priv->dev = dev;
184
185 /* wait for firmware to become ready (indicated by the link being up) */
186 while (--timeout) {
187 ret = cx82310_cmd(dev, CMD_GET_LINK_STATUS, true, NULL, 0,
188 link, sizeof(link));
189 /* the command can time out during boot - it's not an error */
190 if (!ret && link[0] == 1 && link[2] == 1)
191 break;
192 msleep(500);
193 }
194 if (!timeout) {
195 netdev_err(dev->net, "firmware not ready in time\n");
196 ret = -ETIMEDOUT;
197 goto err;
198 }
199
200 /* enable ethernet mode (?) */
201 ret = cx82310_enable_ethernet(dev);
202 if (ret)
203 goto err;
204
205 /* get the MAC address */
206 ret = cx82310_cmd(dev, CMD_GET_MAC_ADDR, true, NULL, 0, addr, ETH_ALEN);
207 if (ret) {
208 netdev_err(dev->net, "unable to read MAC address: %d\n", ret);
209 goto err;
210 }
211 eth_hw_addr_set(dev->net, addr);
212
213 /* start (does not seem to have any effect?) */
214 ret = cx82310_cmd(dev, CMD_START, false, NULL, 0, NULL, 0);
215 if (ret)
216 goto err;
217
218 return 0;
219err:
220 kfree(dev->driver_priv);
221err_partial:
222 kfree((void *)dev->partial_data);
223 return ret;
224}
225
226static void cx82310_unbind(struct usbnet *dev, struct usb_interface *intf)
227{
228 struct cx82310_priv *priv = dev->driver_priv;
229
230 kfree((void *)dev->partial_data);
231 cancel_work_sync(&priv->reenable_work);
232 kfree(dev->driver_priv);
233}
234
235/*
236 * RX is NOT easy - we can receive multiple packets per skb, each having 2-byte
237 * packet length at the beginning.
238 * The last packet might be incomplete (when it crosses the 4KB URB size),
239 * continuing in the next skb (without any headers).
240 * If a packet has odd length, there is one extra byte at the end (before next
241 * packet or at the end of the URB).
242 */
243static int cx82310_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
244{
245 int len;
246 struct sk_buff *skb2;
247 struct cx82310_priv *priv = dev->driver_priv;
248
249 /*
250 * If the last skb ended with an incomplete packet, this skb contains
251 * end of that packet at the beginning.
252 */
253 if (dev->partial_rem) {
254 len = dev->partial_len + dev->partial_rem;
255 skb2 = alloc_skb(len, GFP_ATOMIC);
256 if (!skb2)
257 return 0;
258 skb_put(skb2, len);
259 memcpy(skb2->data, (void *)dev->partial_data,
260 dev->partial_len);
261 memcpy(skb2->data + dev->partial_len, skb->data,
262 dev->partial_rem);
263 usbnet_skb_return(dev, skb2);
264 skb_pull(skb, (dev->partial_rem + 1) & ~1);
265 dev->partial_rem = 0;
266 if (skb->len < 2)
267 return 1;
268 }
269
270 /* a skb can contain multiple packets */
271 while (skb->len > 1) {
272 /* first two bytes are packet length */
273 len = skb->data[0] | (skb->data[1] << 8);
274 skb_pull(skb, 2);
275
276 /* if last packet in the skb, let usbnet to process it */
277 if (len == skb->len || len + 1 == skb->len) {
278 skb_trim(skb, len);
279 break;
280 }
281
282 if (len == 0xffff) {
283 netdev_info(dev->net, "router was rebooted, re-enabling ethernet mode");
284 schedule_work(&priv->reenable_work);
285 } else if (len > CX82310_MTU) {
286 netdev_err(dev->net, "RX packet too long: %d B\n", len);
287 return 0;
288 }
289
290 /* incomplete packet, save it for the next skb */
291 if (len > skb->len) {
292 dev->partial_len = skb->len;
293 dev->partial_rem = len - skb->len;
294 memcpy((void *)dev->partial_data, skb->data,
295 dev->partial_len);
296 skb_pull(skb, skb->len);
297 break;
298 }
299
300 skb2 = alloc_skb(len, GFP_ATOMIC);
301 if (!skb2)
302 return 0;
303 skb_put(skb2, len);
304 memcpy(skb2->data, skb->data, len);
305 /* process the packet */
306 usbnet_skb_return(dev, skb2);
307
308 skb_pull(skb, (len + 1) & ~1);
309 }
310
311 /* let usbnet process the last packet */
312 return 1;
313}
314
315/* TX is easy, just add 2 bytes of length at the beginning */
316static struct sk_buff *cx82310_tx_fixup(struct usbnet *dev, struct sk_buff *skb,
317 gfp_t flags)
318{
319 int len = skb->len;
320
321 if (skb_cow_head(skb, 2)) {
322 dev_kfree_skb_any(skb);
323 return NULL;
324 }
325 skb_push(skb, 2);
326
327 skb->data[0] = len;
328 skb->data[1] = len >> 8;
329
330 return skb;
331}
332
333
334static const struct driver_info cx82310_info = {
335 .description = "Conexant CX82310 USB ethernet",
336 .flags = FLAG_ETHER,
337 .bind = cx82310_bind,
338 .unbind = cx82310_unbind,
339 .rx_fixup = cx82310_rx_fixup,
340 .tx_fixup = cx82310_tx_fixup,
341};
342
343#define USB_DEVICE_CLASS(vend, prod, cl, sc, pr) \
344 .match_flags = USB_DEVICE_ID_MATCH_DEVICE | \
345 USB_DEVICE_ID_MATCH_DEV_INFO, \
346 .idVendor = (vend), \
347 .idProduct = (prod), \
348 .bDeviceClass = (cl), \
349 .bDeviceSubClass = (sc), \
350 .bDeviceProtocol = (pr)
351
352static const struct usb_device_id products[] = {
353 {
354 USB_DEVICE_CLASS(0x0572, 0xcb01, 0xff, 0, 0),
355 .driver_info = (unsigned long) &cx82310_info
356 },
357 { },
358};
359MODULE_DEVICE_TABLE(usb, products);
360
361static struct usb_driver cx82310_driver = {
362 .name = "cx82310_eth",
363 .id_table = products,
364 .probe = usbnet_probe,
365 .disconnect = usbnet_disconnect,
366 .suspend = usbnet_suspend,
367 .resume = usbnet_resume,
368 .disable_hub_initiated_lpm = 1,
369};
370
371module_usb_driver(cx82310_driver);
372
373MODULE_AUTHOR("Ondrej Zary");
374MODULE_DESCRIPTION("Conexant CX82310-based ADSL router USB ethernet driver");
375MODULE_LICENSE("GPL");
1/*
2 * Driver for USB ethernet port of Conexant CX82310-based ADSL routers
3 * Copyright (C) 2010 by Ondrej Zary
4 * some parts inspired by the cxacru driver
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, see <http://www.gnu.org/licenses/>.
18 */
19
20#include <linux/module.h>
21#include <linux/netdevice.h>
22#include <linux/etherdevice.h>
23#include <linux/ethtool.h>
24#include <linux/workqueue.h>
25#include <linux/mii.h>
26#include <linux/usb.h>
27#include <linux/usb/usbnet.h>
28
29enum cx82310_cmd {
30 CMD_START = 0x84, /* no effect? */
31 CMD_STOP = 0x85, /* no effect? */
32 CMD_GET_STATUS = 0x90, /* returns nothing? */
33 CMD_GET_MAC_ADDR = 0x91, /* read MAC address */
34 CMD_GET_LINK_STATUS = 0x92, /* not useful, link is always up */
35 CMD_ETHERNET_MODE = 0x99, /* unknown, needed during init */
36};
37
38enum cx82310_status {
39 STATUS_UNDEFINED,
40 STATUS_SUCCESS,
41 STATUS_ERROR,
42 STATUS_UNSUPPORTED,
43 STATUS_UNIMPLEMENTED,
44 STATUS_PARAMETER_ERROR,
45 STATUS_DBG_LOOPBACK,
46};
47
48#define CMD_PACKET_SIZE 64
49#define CMD_TIMEOUT 100
50#define CMD_REPLY_RETRY 5
51
52#define CX82310_MTU 1514
53#define CMD_EP 0x01
54
55/*
56 * execute control command
57 * - optionally send some data (command parameters)
58 * - optionally wait for the reply
59 * - optionally read some data from the reply
60 */
61static int cx82310_cmd(struct usbnet *dev, enum cx82310_cmd cmd, bool reply,
62 u8 *wdata, int wlen, u8 *rdata, int rlen)
63{
64 int actual_len, retries, ret;
65 struct usb_device *udev = dev->udev;
66 u8 *buf = kzalloc(CMD_PACKET_SIZE, GFP_KERNEL);
67
68 if (!buf)
69 return -ENOMEM;
70
71 /* create command packet */
72 buf[0] = cmd;
73 if (wdata)
74 memcpy(buf + 4, wdata, min_t(int, wlen, CMD_PACKET_SIZE - 4));
75
76 /* send command packet */
77 ret = usb_bulk_msg(udev, usb_sndbulkpipe(udev, CMD_EP), buf,
78 CMD_PACKET_SIZE, &actual_len, CMD_TIMEOUT);
79 if (ret < 0) {
80 if (cmd != CMD_GET_LINK_STATUS)
81 dev_err(&dev->udev->dev, "send command %#x: error %d\n",
82 cmd, ret);
83 goto end;
84 }
85
86 if (reply) {
87 /* wait for reply, retry if it's empty */
88 for (retries = 0; retries < CMD_REPLY_RETRY; retries++) {
89 ret = usb_bulk_msg(udev, usb_rcvbulkpipe(udev, CMD_EP),
90 buf, CMD_PACKET_SIZE, &actual_len,
91 CMD_TIMEOUT);
92 if (ret < 0) {
93 if (cmd != CMD_GET_LINK_STATUS)
94 dev_err(&dev->udev->dev,
95 "reply receive error %d\n",
96 ret);
97 goto end;
98 }
99 if (actual_len > 0)
100 break;
101 }
102 if (actual_len == 0) {
103 dev_err(&dev->udev->dev, "no reply to command %#x\n",
104 cmd);
105 ret = -EIO;
106 goto end;
107 }
108 if (buf[0] != cmd) {
109 dev_err(&dev->udev->dev,
110 "got reply to command %#x, expected: %#x\n",
111 buf[0], cmd);
112 ret = -EIO;
113 goto end;
114 }
115 if (buf[1] != STATUS_SUCCESS) {
116 dev_err(&dev->udev->dev, "command %#x failed: %#x\n",
117 cmd, buf[1]);
118 ret = -EIO;
119 goto end;
120 }
121 if (rdata)
122 memcpy(rdata, buf + 4,
123 min_t(int, rlen, CMD_PACKET_SIZE - 4));
124 }
125end:
126 kfree(buf);
127 return ret;
128}
129
130#define partial_len data[0] /* length of partial packet data */
131#define partial_rem data[1] /* remaining (missing) data length */
132#define partial_data data[2] /* partial packet data */
133
134static int cx82310_bind(struct usbnet *dev, struct usb_interface *intf)
135{
136 int ret;
137 char buf[15];
138 struct usb_device *udev = dev->udev;
139 u8 link[3];
140 int timeout = 50;
141
142 /* avoid ADSL modems - continue only if iProduct is "USB NET CARD" */
143 if (usb_string(udev, udev->descriptor.iProduct, buf, sizeof(buf)) > 0
144 && strcmp(buf, "USB NET CARD")) {
145 dev_info(&udev->dev, "ignoring: probably an ADSL modem\n");
146 return -ENODEV;
147 }
148
149 ret = usbnet_get_endpoints(dev, intf);
150 if (ret)
151 return ret;
152
153 /*
154 * this must not include ethernet header as the device can send partial
155 * packets with no header (and sometimes even empty URBs)
156 */
157 dev->net->hard_header_len = 0;
158 /* we can send at most 1514 bytes of data (+ 2-byte header) per URB */
159 dev->hard_mtu = CX82310_MTU + 2;
160 /* we can receive URBs up to 4KB from the device */
161 dev->rx_urb_size = 4096;
162
163 dev->partial_data = (unsigned long) kmalloc(dev->hard_mtu, GFP_KERNEL);
164 if (!dev->partial_data)
165 return -ENOMEM;
166
167 /* wait for firmware to become ready (indicated by the link being up) */
168 while (--timeout) {
169 ret = cx82310_cmd(dev, CMD_GET_LINK_STATUS, true, NULL, 0,
170 link, sizeof(link));
171 /* the command can time out during boot - it's not an error */
172 if (!ret && link[0] == 1 && link[2] == 1)
173 break;
174 msleep(500);
175 }
176 if (!timeout) {
177 dev_err(&udev->dev, "firmware not ready in time\n");
178 return -ETIMEDOUT;
179 }
180
181 /* enable ethernet mode (?) */
182 ret = cx82310_cmd(dev, CMD_ETHERNET_MODE, true, "\x01", 1, NULL, 0);
183 if (ret) {
184 dev_err(&udev->dev, "unable to enable ethernet mode: %d\n",
185 ret);
186 goto err;
187 }
188
189 /* get the MAC address */
190 ret = cx82310_cmd(dev, CMD_GET_MAC_ADDR, true, NULL, 0,
191 dev->net->dev_addr, ETH_ALEN);
192 if (ret) {
193 dev_err(&udev->dev, "unable to read MAC address: %d\n", ret);
194 goto err;
195 }
196
197 /* start (does not seem to have any effect?) */
198 ret = cx82310_cmd(dev, CMD_START, false, NULL, 0, NULL, 0);
199 if (ret)
200 goto err;
201
202 return 0;
203err:
204 kfree((void *)dev->partial_data);
205 return ret;
206}
207
208static void cx82310_unbind(struct usbnet *dev, struct usb_interface *intf)
209{
210 kfree((void *)dev->partial_data);
211}
212
213/*
214 * RX is NOT easy - we can receive multiple packets per skb, each having 2-byte
215 * packet length at the beginning.
216 * The last packet might be incomplete (when it crosses the 4KB URB size),
217 * continuing in the next skb (without any headers).
218 * If a packet has odd length, there is one extra byte at the end (before next
219 * packet or at the end of the URB).
220 */
221static int cx82310_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
222{
223 int len;
224 struct sk_buff *skb2;
225
226 /*
227 * If the last skb ended with an incomplete packet, this skb contains
228 * end of that packet at the beginning.
229 */
230 if (dev->partial_rem) {
231 len = dev->partial_len + dev->partial_rem;
232 skb2 = alloc_skb(len, GFP_ATOMIC);
233 if (!skb2)
234 return 0;
235 skb_put(skb2, len);
236 memcpy(skb2->data, (void *)dev->partial_data,
237 dev->partial_len);
238 memcpy(skb2->data + dev->partial_len, skb->data,
239 dev->partial_rem);
240 usbnet_skb_return(dev, skb2);
241 skb_pull(skb, (dev->partial_rem + 1) & ~1);
242 dev->partial_rem = 0;
243 if (skb->len < 2)
244 return 1;
245 }
246
247 /* a skb can contain multiple packets */
248 while (skb->len > 1) {
249 /* first two bytes are packet length */
250 len = skb->data[0] | (skb->data[1] << 8);
251 skb_pull(skb, 2);
252
253 /* if last packet in the skb, let usbnet to process it */
254 if (len == skb->len || len + 1 == skb->len) {
255 skb_trim(skb, len);
256 break;
257 }
258
259 if (len > CX82310_MTU) {
260 dev_err(&dev->udev->dev, "RX packet too long: %d B\n",
261 len);
262 return 0;
263 }
264
265 /* incomplete packet, save it for the next skb */
266 if (len > skb->len) {
267 dev->partial_len = skb->len;
268 dev->partial_rem = len - skb->len;
269 memcpy((void *)dev->partial_data, skb->data,
270 dev->partial_len);
271 skb_pull(skb, skb->len);
272 break;
273 }
274
275 skb2 = alloc_skb(len, GFP_ATOMIC);
276 if (!skb2)
277 return 0;
278 skb_put(skb2, len);
279 memcpy(skb2->data, skb->data, len);
280 /* process the packet */
281 usbnet_skb_return(dev, skb2);
282
283 skb_pull(skb, (len + 1) & ~1);
284 }
285
286 /* let usbnet process the last packet */
287 return 1;
288}
289
290/* TX is easy, just add 2 bytes of length at the beginning */
291static struct sk_buff *cx82310_tx_fixup(struct usbnet *dev, struct sk_buff *skb,
292 gfp_t flags)
293{
294 int len = skb->len;
295
296 if (skb_headroom(skb) < 2) {
297 struct sk_buff *skb2 = skb_copy_expand(skb, 2, 0, flags);
298 dev_kfree_skb_any(skb);
299 skb = skb2;
300 if (!skb)
301 return NULL;
302 }
303 skb_push(skb, 2);
304
305 skb->data[0] = len;
306 skb->data[1] = len >> 8;
307
308 return skb;
309}
310
311
312static const struct driver_info cx82310_info = {
313 .description = "Conexant CX82310 USB ethernet",
314 .flags = FLAG_ETHER,
315 .bind = cx82310_bind,
316 .unbind = cx82310_unbind,
317 .rx_fixup = cx82310_rx_fixup,
318 .tx_fixup = cx82310_tx_fixup,
319};
320
321#define USB_DEVICE_CLASS(vend, prod, cl, sc, pr) \
322 .match_flags = USB_DEVICE_ID_MATCH_DEVICE | \
323 USB_DEVICE_ID_MATCH_DEV_INFO, \
324 .idVendor = (vend), \
325 .idProduct = (prod), \
326 .bDeviceClass = (cl), \
327 .bDeviceSubClass = (sc), \
328 .bDeviceProtocol = (pr)
329
330static const struct usb_device_id products[] = {
331 {
332 USB_DEVICE_CLASS(0x0572, 0xcb01, 0xff, 0, 0),
333 .driver_info = (unsigned long) &cx82310_info
334 },
335 { },
336};
337MODULE_DEVICE_TABLE(usb, products);
338
339static struct usb_driver cx82310_driver = {
340 .name = "cx82310_eth",
341 .id_table = products,
342 .probe = usbnet_probe,
343 .disconnect = usbnet_disconnect,
344 .suspend = usbnet_suspend,
345 .resume = usbnet_resume,
346 .disable_hub_initiated_lpm = 1,
347};
348
349module_usb_driver(cx82310_driver);
350
351MODULE_AUTHOR("Ondrej Zary");
352MODULE_DESCRIPTION("Conexant CX82310-based ADSL router USB ethernet driver");
353MODULE_LICENSE("GPL");