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[mirror_ubuntu-kernels.git] / drivers / net / usb / cdc_ether.c
CommitLineData
4324fd49
DB		 1/*
2 * CDC Ethernet based networking peripherals
3 * Copyright (C) 2003-2005 by David Brownell
ad55d71a 4 * Copyright (C) 2006 by Ole Andre Vadla Ravnas (ActiveSync)
4324fd49
DB		 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
9cb00073 17 * along with this program; if not, see <http://www.gnu.org/licenses/>.
4324fd49
DB		 18 */
19
20// #define DEBUG // error path messages, extra info
21// #define VERBOSE // more; success messages
22
4324fd49 23#include <linux/module.h>
4324fd49
DB		 24#include <linux/netdevice.h>
25#include <linux/etherdevice.h>
4324fd49
DB		 26#include <linux/ethtool.h>
27#include <linux/workqueue.h>
28#include <linux/mii.h>
29#include <linux/usb.h>
a8c28f23 30#include <linux/usb/cdc.h>
3692e94f 31#include <linux/usb/usbnet.h>
4324fd49
DB		 32
33
8857ec28 34#if IS_ENABLED(CONFIG_USB_NET_RNDIS_HOST)
ad55d71a
OAVR		 35
36static int is_rndis(struct usb_interface_descriptor *desc)
37{
8e95a202
JP		 38 return (desc->bInterfaceClass == USB_CLASS_COMM &&
39 desc->bInterfaceSubClass == 2 &&
40 desc->bInterfaceProtocol == 0xff);
ad55d71a
OAVR		 41}
42
43static int is_activesync(struct usb_interface_descriptor *desc)
44{
8e95a202
JP		 45 return (desc->bInterfaceClass == USB_CLASS_MISC &&
46 desc->bInterfaceSubClass == 1 &&
47 desc->bInterfaceProtocol == 1);
ad55d71a
OAVR		 48}
49
7e99eedd
TB		 50static int is_wireless_rndis(struct usb_interface_descriptor *desc)
51{
8e95a202
JP		 52 return (desc->bInterfaceClass == USB_CLASS_WIRELESS_CONTROLLER &&
53 desc->bInterfaceSubClass == 1 &&
54 desc->bInterfaceProtocol == 3);
7e99eedd
TB		 55}
56
63ba395c
AM		 57static int is_novatel_rndis(struct usb_interface_descriptor *desc)
58{
59 return (desc->bInterfaceClass == USB_CLASS_MISC &&
60 desc->bInterfaceSubClass == 4 &&
61 desc->bInterfaceProtocol == 1);
62}
63
ad55d71a
OAVR		 64#else
65
66#define is_rndis(desc) 0
67#define is_activesync(desc) 0
7e99eedd 68#define is_wireless_rndis(desc) 0
63ba395c 69#define is_novatel_rndis(desc) 0
ad55d71a
OAVR		 70
71#endif
72
21851264
JS		 73static const u8 mbm_guid[16] = {
74 0xa3, 0x17, 0xa8, 0x8b, 0x04, 0x5e, 0x4f, 0x01,
75 0xa6, 0x07, 0xc0, 0xff, 0xcb, 0x7e, 0x39, 0x2a,
76};
77
d80c679b
OB		 78static void usbnet_cdc_update_filter(struct usbnet *dev)
79{
80 struct cdc_state *info = (void *) &dev->data;
81 struct usb_interface *intf = info->control;
f46ad73a 82 struct net_device *net = dev->net;
d80c679b 83
f46ad73a
ON		 84 u16 cdc_filter = USB_CDC_PACKET_TYPE_DIRECTED
85 | USB_CDC_PACKET_TYPE_BROADCAST;
d80c679b 86
f46ad73a
ON		 87 /* filtering on the device is an optional feature and not worth
88 * the hassle so we just roughly care about snooping and if any
89 * multicast is requested, we take every multicast
d80c679b 90 */
f46ad73a
ON		 91 if (net->flags & IFF_PROMISC)
92 cdc_filter |= USB_CDC_PACKET_TYPE_PROMISCUOUS;
93 if (!netdev_mc_empty(net) || (net->flags & IFF_ALLMULTI))
94 cdc_filter |= USB_CDC_PACKET_TYPE_ALL_MULTICAST;
d80c679b
OB		 95
96 usb_control_msg(dev->udev,
97 usb_sndctrlpipe(dev->udev, 0),
98 USB_CDC_SET_ETHERNET_PACKET_FILTER,
99 USB_TYPE_CLASS | USB_RECIP_INTERFACE,
100 cdc_filter,
101 intf->cur_altsetting->desc.bInterfaceNumber,
102 NULL,
103 0,
104 USB_CTRL_SET_TIMEOUT
105 );
106}
107
8857ec28 108/* probes control interface, claims data interface, collects the bulk
4324fd49
DB		 109 * endpoints, activates data interface (if needed), maybe sets MTU.
110 * all pure cdc, except for certain firmware workarounds, and knowing
111 * that rndis uses one different rule.
112 */
113int usbnet_generic_cdc_bind(struct usbnet *dev, struct usb_interface *intf)
114{
115 u8 *buf = intf->cur_altsetting->extra;
116 int len = intf->cur_altsetting->extralen;
117 struct usb_interface_descriptor *d;
118 struct cdc_state *info = (void *) &dev->data;
119 int status;
120 int rndis;
6eddcb4c 121 bool android_rndis_quirk = false;
4324fd49 122 struct usb_driver *driver = driver_of(intf);
823bd343 123 struct usb_cdc_parsed_header header;
4324fd49 124
8857ec28 125 if (sizeof(dev->data) < sizeof(*info))
4324fd49
DB		 126 return -EDOM;
127
128 /* expect strict spec conformance for the descriptors, but
129 * cope with firmware which stores them in the wrong place
130 */
131 if (len == 0 && dev->udev->actconfig->extralen) {
132 /* Motorola SB4100 (and others: Brad Hards says it's
133 * from a Broadcom design) put CDC descriptors here
134 */
135 buf = dev->udev->actconfig->extra;
136 len = dev->udev->actconfig->extralen;
f5260f02 137 dev_dbg(&intf->dev, "CDC descriptors on config\n");
4324fd49
DB		 138 }
139
4149b72e
DB		 140 /* Maybe CDC descriptors are after the endpoint? This bug has
141 * been seen on some 2Wire Inc RNDIS-ish products.
142 */
143 if (len == 0) {
144 struct usb_host_endpoint *hep;
145
146 hep = intf->cur_altsetting->endpoint;
147 if (hep) {
148 buf = hep->extra;
149 len = hep->extralen;
150 }
151 if (len)
152 dev_dbg(&intf->dev,
153 "CDC descriptors on endpoint\n");
154 }
155
4324fd49
DB		 156 /* this assumes that if there's a non-RNDIS vendor variant
157 * of cdc-acm, it'll fail RNDIS requests cleanly.
158 */
8e95a202
JP		 159 rndis = (is_rndis(&intf->cur_altsetting->desc) ||
160 is_activesync(&intf->cur_altsetting->desc) ||
63ba395c
AM		 161 is_wireless_rndis(&intf->cur_altsetting->desc) ||
162 is_novatel_rndis(&intf->cur_altsetting->desc));
4324fd49 163
8857ec28 164 memset(info, 0, sizeof(*info));
4324fd49 165 info->control = intf;
823bd343
ON		 166
167 cdc_parse_cdc_header(&header, intf, buf, len);
168
169 info->u = header.usb_cdc_union_desc;
170 info->header = header.usb_cdc_header_desc;
171 info->ether = header.usb_cdc_ether_desc;
29c6dd59
ON		 172 if (!info->u) {
173 if (rndis)
174 goto skip;
175 else /* in that case a quirk is mandatory */
176 goto bad_desc;
177 }
823bd343
ON		 178 /* we need a master/control interface (what we're
179 * probed with) and a slave/data interface; union
180 * descriptors sort this all out.
181 */
a29c3c09
BM		 182 info->control = usb_ifnum_to_if(dev->udev, info->u->bMasterInterface0);
183 info->data = usb_ifnum_to_if(dev->udev, info->u->bSlaveInterface0);
823bd343
ON		 184 if (!info->control || !info->data) {
185 dev_dbg(&intf->dev,
186 "master #%u/%p slave #%u/%p\n",
187 info->u->bMasterInterface0,
188 info->control,
189 info->u->bSlaveInterface0,
190 info->data);
191 /* fall back to hard-wiring for RNDIS */
192 if (rndis) {
193 android_rndis_quirk = true;
194 goto skip;
4324fd49 195 }
823bd343
ON		 196 goto bad_desc;
197 }
198 if (info->control != intf) {
199 dev_dbg(&intf->dev, "bogus CDC Union\n");
200 /* Ambit USB Cable Modem (and maybe others)
201 * interchanges master and slave interface.
202 */
203 if (info->data == intf) {
204 info->data = info->control;
205 info->control = intf;
206 } else
207 goto bad_desc;
208 }
209
210 /* some devices merge these - skip class check */
211 if (info->control == info->data)
212 goto skip;
213
214 /* a data interface altsetting does the real i/o */
215 d = &info->data->cur_altsetting->desc;
216 if (d->bInterfaceClass != USB_CLASS_CDC_DATA) {
a29c3c09 217 dev_dbg(&intf->dev, "slave class %u\n", d->bInterfaceClass);
823bd343
ON		 218 goto bad_desc;
219 }
220skip:
a29c3c09
BM		 221 if (rndis && header.usb_cdc_acm_descriptor &&
222 header.usb_cdc_acm_descriptor->bmCapabilities) {
223 dev_dbg(&intf->dev,
224 "ACM capabilities %02x, not really RNDIS?\n",
225 header.usb_cdc_acm_descriptor->bmCapabilities);
226 goto bad_desc;
823bd343
ON		 227 }
228
2cb80187 229 if (header.usb_cdc_ether_desc && info->ether->wMaxSegmentSize) {
823bd343
ON		 230 dev->hard_mtu = le16_to_cpu(info->ether->wMaxSegmentSize);
231 /* because of Zaurus, we may be ignoring the host
232 * side link address we were given.
233 */
234 }
235
236 if (header.usb_cdc_mdlm_desc &&
a29c3c09 237 memcmp(header.usb_cdc_mdlm_desc->bGUID, mbm_guid, 16)) {
823bd343
ON		 238 dev_dbg(&intf->dev, "GUID doesn't match\n");
239 goto bad_desc;
240 }
241
242 if (header.usb_cdc_mdlm_detail_desc &&
243 header.usb_cdc_mdlm_detail_desc->bLength <
244 (sizeof(struct usb_cdc_mdlm_detail_desc) + 1)) {
245 dev_dbg(&intf->dev, "Descriptor too short\n");
246 goto bad_desc;
4324fd49
DB		 247 }
248
823bd343
ON		 249
250
786e3dfb
BD		 251 /* Microsoft ActiveSync based and some regular RNDIS devices lack the
252 * CDC descriptors, so we'll hard-wire the interfaces and not check
253 * for descriptors.
6eddcb4c
BM		 254 *
255 * Some Android RNDIS devices have a CDC Union descriptor pointing
256 * to non-existing interfaces. Ignore that and attempt the same
257 * hard-wired 0 and 1 interfaces.
ad55d71a 258 */
6eddcb4c 259 if (rndis && (!info->u || android_rndis_quirk)) {
ad55d71a
OAVR		 260 info->control = usb_ifnum_to_if(dev->udev, 0);
261 info->data = usb_ifnum_to_if(dev->udev, 1);
6eddcb4c 262 if (!info->control || !info->data || info->control != intf) {
ad55d71a 263 dev_dbg(&intf->dev,
786e3dfb 264 "rndis: master #0/%p slave #1/%p\n",
ad55d71a
OAVR		 265 info->control,
266 info->data);
267 goto bad_desc;
268 }
269
29c6dd59 270 } else if (!info->header || (!rndis && !info->ether)) {
4324fd49
DB		 271 dev_dbg(&intf->dev, "missing cdc %s%s%sdescriptor\n",
272 info->header ? "" : "header ",
273 info->u ? "" : "union ",
274 info->ether ? "" : "ether ");
275 goto bad_desc;
276 }
277
278 /* claim data interface and set it up ... with side effects.
279 * network traffic can't flow until an altsetting is enabled.
280 */
1fc4c84d
BM		 281 if (info->data != info->control) {
282 status = usb_driver_claim_interface(driver, info->data, dev);
283 if (status < 0)
284 return status;
285 }
4324fd49
DB		 286 status = usbnet_get_endpoints(dev, info->data);
287 if (status < 0) {
288 /* ensure immediate exit from usbnet_disconnect */
289 usb_set_intfdata(info->data, NULL);
1fc4c84d
BM		 290 if (info->data != info->control)
291 usb_driver_release_interface(driver, info->data);
4324fd49
DB		 292 return status;
293 }
294
295 /* status endpoint: optional for CDC Ethernet, not RNDIS (or ACM) */
1fc4c84d
BM		 296 if (info->data != info->control)
297 dev->status = NULL;
4324fd49
DB		 298 if (info->control->cur_altsetting->desc.bNumEndpoints == 1) {
299 struct usb_endpoint_descriptor *desc;
300
a29c3c09 301 dev->status = &info->control->cur_altsetting->endpoint[0];
4324fd49 302 desc = &dev->status->desc;
8e95a202
JP		 303 if (!usb_endpoint_is_int_in(desc) ||
304 (le16_to_cpu(desc->wMaxPacketSize)
305 < sizeof(struct usb_cdc_notification)) ||
306 !desc->bInterval) {
4324fd49
DB		 307 dev_dbg(&intf->dev, "bad notification endpoint\n");
308 dev->status = NULL;
309 }
310 }
311 if (rndis && !dev->status) {
312 dev_dbg(&intf->dev, "missing RNDIS status endpoint\n");
313 usb_set_intfdata(info->data, NULL);
314 usb_driver_release_interface(driver, info->data);
315 return -ENODEV;
316 }
c472ab68 317
7f65b1f5
ON		 318 return 0;
319
320bad_desc:
321 dev_info(&dev->udev->dev, "bad CDC descriptors\n");
322 return -ENODEV;
323}
324EXPORT_SYMBOL_GPL(usbnet_generic_cdc_bind);
325
326
327/* like usbnet_generic_cdc_bind() but handles filter initialization
328 * correctly
329 */
330int usbnet_ether_cdc_bind(struct usbnet *dev, struct usb_interface *intf)
331{
332 int rv;
333
334 rv = usbnet_generic_cdc_bind(dev, intf);
335 if (rv < 0)
336 goto bail_out;
337
c472ab68
ON		 338 /* Some devices don't initialise properly. In particular
339 * the packet filter is not reset. There are devices that
340 * don't do reset all the way. So the packet filter should
341 * be set to a sane initial value.
342 */
d80c679b
OB		 343 usbnet_cdc_update_filter(dev);
344
7f65b1f5
ON		 345bail_out:
346 return rv;
4324fd49 347}
7f65b1f5 348EXPORT_SYMBOL_GPL(usbnet_ether_cdc_bind);
4324fd49
DB		 349
350void usbnet_cdc_unbind(struct usbnet *dev, struct usb_interface *intf)
351{
352 struct cdc_state *info = (void *) &dev->data;
353 struct usb_driver *driver = driver_of(intf);
354
1fc4c84d
BM		 355 /* combined interface - nothing to do */
356 if (info->data == info->control)
357 return;
358
4324fd49
DB		 359 /* disconnect master --> disconnect slave */
360 if (intf == info->control && info->data) {
361 /* ensure immediate exit from usbnet_disconnect */
362 usb_set_intfdata(info->data, NULL);
363 usb_driver_release_interface(driver, info->data);
364 info->data = NULL;
365 }
366
367 /* and vice versa (just in case) */
368 else if (intf == info->data && info->control) {
369 /* ensure immediate exit from usbnet_disconnect */
370 usb_set_intfdata(info->control, NULL);
371 usb_driver_release_interface(driver, info->control);
372 info->control = NULL;
373 }
374}
375EXPORT_SYMBOL_GPL(usbnet_cdc_unbind);
376
8857ec28 377/* Communications Device Class, Ethernet Control model
4324fd49
DB		 378 *
379 * Takes two interfaces. The DATA interface is inactive till an altsetting
380 * is selected. Configuration data includes class descriptors. There's
381 * an optional status endpoint on the control interface.
382 *
383 * This should interop with whatever the 2.4 "CDCEther.c" driver
384 * (by Brad Hards) talked with, with more functionality.
8857ec28 385 */
4324fd49
DB		 386
387static void dumpspeed(struct usbnet *dev, __le32 *speeds)
388{
a475f603
JP		 389 netif_info(dev, timer, dev->net,
390 "link speeds: %u kbps up, %u kbps down\n",
391 __le32_to_cpu(speeds[0]) / 1000,
392 __le32_to_cpu(speeds[1]) / 1000);
4324fd49
DB		 393}
394
7a635ea9 395void usbnet_cdc_status(struct usbnet *dev, struct urb *urb)
4324fd49
DB		 396{
397 struct usb_cdc_notification *event;
398
8857ec28 399 if (urb->actual_length < sizeof(*event))
4324fd49
DB		 400 return;
401
402 /* SPEED_CHANGE can get split into two 8-byte packets */
403 if (test_and_clear_bit(EVENT_STS_SPLIT, &dev->flags)) {
404 dumpspeed(dev, (__le32 *) urb->transfer_buffer);
405 return;
406 }
407
408 event = urb->transfer_buffer;
409 switch (event->bNotificationType) {
410 case USB_CDC_NOTIFY_NETWORK_CONNECTION:
a475f603
JP		 411 netif_dbg(dev, timer, dev->net, "CDC: carrier %s\n",
412 event->wValue ? "on" : "off");
a6bda459 413 usbnet_link_change(dev, !!event->wValue, 0);
4324fd49
DB		 414 break;
415 case USB_CDC_NOTIFY_SPEED_CHANGE: /* tx/rx rates */
a475f603
JP		 416 netif_dbg(dev, timer, dev->net, "CDC: speed change (len %d)\n",
417 urb->actual_length);
8857ec28 418 if (urb->actual_length != (sizeof(*event) + 8))
4324fd49
DB		 419 set_bit(EVENT_STS_SPLIT, &dev->flags);
420 else
421 dumpspeed(dev, (__le32 *) &event[1]);
422 break;
423 /* USB_CDC_NOTIFY_RESPONSE_AVAILABLE can happen too (e.g. RNDIS),
424 * but there are no standard formats for the response data.
425 */
426 default:
60b86755
JP		 427 netdev_err(dev->net, "CDC: unexpected notification %02x!\n",
428 event->bNotificationType);
4324fd49
DB		 429 break;
430 }
431}
7a635ea9 432EXPORT_SYMBOL_GPL(usbnet_cdc_status);
4324fd49 433
7a635ea9 434int usbnet_cdc_bind(struct usbnet *dev, struct usb_interface *intf)
4324fd49
DB		 435{
436 int status;
437 struct cdc_state *info = (void *) &dev->data;
438
d632eb1b
GKH		 439 BUILD_BUG_ON((sizeof(((struct usbnet *)0)->data)
440 < sizeof(struct cdc_state)));
441
7f65b1f5 442 status = usbnet_ether_cdc_bind(dev, intf);
4324fd49
DB		 443 if (status < 0)
444 return status;
445
03ad032b 446 status = usbnet_get_ethernet_addr(dev, info->ether->iMACAddress);
4324fd49
DB		 447 if (status < 0) {
448 usb_set_intfdata(info->data, NULL);
449 usb_driver_release_interface(driver_of(intf), info->data);
450 return status;
451 }
452
4324fd49
DB		 453 return 0;
454}
7a635ea9 455EXPORT_SYMBOL_GPL(usbnet_cdc_bind);
4324fd49 456
bfe9b9d2
KE		 457static int usbnet_cdc_zte_bind(struct usbnet *dev, struct usb_interface *intf)
458{
459 int status = usbnet_cdc_bind(dev, intf);
460
461 if (!status && (dev->net->dev_addr[0] & 0x02))
462 eth_hw_addr_random(dev->net);
463
464 return status;
465}
466
467/* Make sure packets have correct destination MAC address
468 *
469 * A firmware bug observed on some devices (ZTE MF823/831/910) is that the
470 * device sends packets with a static, bogus, random MAC address (event if
471 * device MAC address has been updated). Always set MAC address to that of the
472 * device.
473 */
474static int usbnet_cdc_zte_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
475{
476 if (skb->len < ETH_HLEN || !(skb->data[0] & 0x02))
477 return 1;
478
479 skb_reset_mac_header(skb);
480 ether_addr_copy(eth_hdr(skb)->h_dest, dev->net->dev_addr);
481
482 return 1;
483}
484
d5c83d0d
KE		 485/* Ensure correct link state
486 *
487 * Some devices (ZTE MF823/831/910) export two carrier on notifications when
488 * connected. This causes the link state to be incorrect. Work around this by
489 * always setting the state to off, then on.
490 */
37c9782c 491static void usbnet_cdc_zte_status(struct usbnet *dev, struct urb *urb)
d5c83d0d
KE		 492{
493 struct usb_cdc_notification *event;
494
495 if (urb->actual_length < sizeof(*event))
496 return;
497
498 event = urb->transfer_buffer;
499
500 if (event->bNotificationType != USB_CDC_NOTIFY_NETWORK_CONNECTION) {
501 usbnet_cdc_status(dev, urb);
502 return;
503 }
504
505 netif_dbg(dev, timer, dev->net, "CDC: carrier %s\n",
506 event->wValue ? "on" : "off");
507
508 if (event->wValue &&
509 netif_carrier_ok(dev->net))
510 netif_carrier_off(dev->net);
511
512 usbnet_link_change(dev, !!event->wValue, 0);
513}
514
4324fd49
DB		 515static const struct driver_info cdc_info = {
516 .description = "CDC Ethernet Device",
c261344d 517 .flags = FLAG_ETHER | FLAG_POINTTOPOINT,
7a635ea9 518 .bind = usbnet_cdc_bind,
4324fd49 519 .unbind = usbnet_cdc_unbind,
7a635ea9 520 .status = usbnet_cdc_status,
b77e26d1 521 .set_rx_mode = usbnet_cdc_update_filter,
a5e40708 522 .manage_power = usbnet_manage_power,
4324fd49
DB		 523};
524
bfe9b9d2
KE		 525static const struct driver_info zte_cdc_info = {
526 .description = "ZTE CDC Ethernet Device",
527 .flags = FLAG_ETHER | FLAG_POINTTOPOINT,
528 .bind = usbnet_cdc_zte_bind,
529 .unbind = usbnet_cdc_unbind,
d5c83d0d 530 .status = usbnet_cdc_zte_status,
bfe9b9d2
KE		 531 .set_rx_mode = usbnet_cdc_update_filter,
532 .manage_power = usbnet_manage_power,
533 .rx_fixup = usbnet_cdc_zte_rx_fixup,
534};
535
b3c914aa 536static const struct driver_info wwan_info = {
e1e499ee
MH		 537 .description = "Mobile Broadband Network Device",
538 .flags = FLAG_WWAN,
7a635ea9 539 .bind = usbnet_cdc_bind,
e1e499ee 540 .unbind = usbnet_cdc_unbind,
7a635ea9 541 .status = usbnet_cdc_status,
b77e26d1 542 .set_rx_mode = usbnet_cdc_update_filter,
a5e40708 543 .manage_power = usbnet_manage_power,
e1e499ee
MH		 544};
545
4324fd49
DB		 546/*-------------------------------------------------------------------------*/
547
b3c914aa 548#define HUAWEI_VENDOR_ID 0x12D1
4e6304b8 549#define NOVATEL_VENDOR_ID 0x1410
68d8318b 550#define ZTE_VENDOR_ID 0x19D2
0370acd4 551#define DELL_VENDOR_ID 0x413C
ac718b69 552#define REALTEK_VENDOR_ID 0x0bda
43779f8d 553#define SAMSUNG_VENDOR_ID 0x04e8
347eec34 554#define LENOVO_VENDOR_ID 0x17ef
90841047 555#define LINKSYS_VENDOR_ID 0x13b1
d065c3c1 556#define NVIDIA_VENDOR_ID 0x0955
5b9f5751 557#define HP_VENDOR_ID 0x03f0
d5b07ccc 558#define MICROSOFT_VENDOR_ID 0x045e
fdfbad32 559#define UBLOX_VENDOR_ID 0x1546
9d11b066 560#define TPLINK_VENDOR_ID 0x2357
d596df3a
DB		 561#define AQUANTIA_VENDOR_ID 0x2eca
562#define ASIX_VENDOR_ID 0x0b95
4324fd49 563
8857ec28
FP		 564static const struct usb_device_id products[] = {
565/* BLACKLIST !!
4324fd49
DB		 566 *
567 * First blacklist any products that are egregiously nonconformant
568 * with the CDC Ethernet specs. Minor braindamage we cope with; when
569 * they're not even trying, needing a separate driver is only the first
570 * of the differences to show up.
571 */
572
573#define ZAURUS_MASTER_INTERFACE \
574 .bInterfaceClass = USB_CLASS_COMM, \
575 .bInterfaceSubClass = USB_CDC_SUBCLASS_ETHERNET, \
576 .bInterfaceProtocol = USB_CDC_PROTO_NONE
577
578/* SA-1100 based Sharp Zaurus ("collie"), or compatible;
579 * wire-incompatible with true CDC Ethernet implementations.
580 * (And, it seems, needlessly so...)
581 */
582{
583 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
584 | USB_DEVICE_ID_MATCH_DEVICE,
585 .idVendor = 0x04DD,
586 .idProduct = 0x8004,
587 ZAURUS_MASTER_INTERFACE,
588 .driver_info = 0,
589},
590
591/* PXA-25x based Sharp Zaurii. Note that it seems some of these
592 * (later models especially) may have shipped only with firmware
593 * advertising false "CDC MDLM" compatibility ... but we're not
594 * clear which models did that, so for now let's assume the worst.
595 */
596{
597 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
598 | USB_DEVICE_ID_MATCH_DEVICE,
599 .idVendor = 0x04DD,
600 .idProduct = 0x8005, /* A-300 */
601 ZAURUS_MASTER_INTERFACE,
602 .driver_info = 0,
603}, {
604 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
605 | USB_DEVICE_ID_MATCH_DEVICE,
606 .idVendor = 0x04DD,
607 .idProduct = 0x8006, /* B-500/SL-5600 */
608 ZAURUS_MASTER_INTERFACE,
609 .driver_info = 0,
610}, {
611 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
8857ec28 612 | USB_DEVICE_ID_MATCH_DEVICE,
4324fd49
DB		 613 .idVendor = 0x04DD,
614 .idProduct = 0x8007, /* C-700 */
615 ZAURUS_MASTER_INTERFACE,
616 .driver_info = 0,
617}, {
618 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
619 | USB_DEVICE_ID_MATCH_DEVICE,
620 .idVendor = 0x04DD,
621 .idProduct = 0x9031, /* C-750 C-760 */
622 ZAURUS_MASTER_INTERFACE,
623 .driver_info = 0,
624}, {
625 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
626 | USB_DEVICE_ID_MATCH_DEVICE,
627 .idVendor = 0x04DD,
628 .idProduct = 0x9032, /* SL-6000 */
629 ZAURUS_MASTER_INTERFACE,
630 .driver_info = 0,
631}, {
632 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
633 | USB_DEVICE_ID_MATCH_DEVICE,
634 .idVendor = 0x04DD,
635 /* reported with some C860 units */
636 .idProduct = 0x9050, /* C-860 */
637 ZAURUS_MASTER_INTERFACE,
638 .driver_info = 0,
639},
640
efcaa205
DB		 641/* Olympus has some models with a Zaurus-compatible option.
642 * R-1000 uses a FreeScale i.MXL cpu (ARMv4T)
643 */
644{
645 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
646 | USB_DEVICE_ID_MATCH_DEVICE,
647 .idVendor = 0x07B4,
648 .idProduct = 0x0F02, /* R-1000 */
649 ZAURUS_MASTER_INTERFACE,
650 .driver_info = 0,
651},
652
7a635ea9
AZ		 653/* LG Electronics VL600 wants additional headers on every frame */
654{
655 USB_DEVICE_AND_INTERFACE_INFO(0x1004, 0x61aa, USB_CLASS_COMM,
656 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
6d74eb94 657 .driver_info = 0,
7a635ea9
AZ		 658},
659
ee932bf9
ST		 660/* Logitech Harmony 900 - uses the pseudo-MDLM (BLAN) driver */
661{
662 USB_DEVICE_AND_INTERFACE_INFO(0x046d, 0xc11f, USB_CLASS_COMM,
663 USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE),
664 .driver_info = 0,
665},
666
f8295ec2
DW		 667/* Novatel USB551L and MC551 - handled by qmi_wwan */
668{
c39ba1c2
DW		 669 USB_DEVICE_AND_INTERFACE_INFO(NOVATEL_VENDOR_ID, 0xB001, USB_CLASS_COMM,
670 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
f8295ec2
DW		 671 .driver_info = 0,
672},
673
674/* Novatel E362 - handled by qmi_wwan */
675{
c39ba1c2
DW		 676 USB_DEVICE_AND_INTERFACE_INFO(NOVATEL_VENDOR_ID, 0x9010, USB_CLASS_COMM,
677 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
f8295ec2
DW		 678 .driver_info = 0,
679},
680
0370acd4
DW		 681/* Dell Wireless 5800 (Novatel E362) - handled by qmi_wwan */
682{
683 USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, 0x8195, USB_CLASS_COMM,
684 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
685 .driver_info = 0,
686},
687
688/* Dell Wireless 5800 (Novatel E362) - handled by qmi_wwan */
689{
690 USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, 0x8196, USB_CLASS_COMM,
691 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
692 .driver_info = 0,
693},
694
7fdb7846
DW		 695/* Dell Wireless 5804 (Novatel E371) - handled by qmi_wwan */
696{
697 USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, 0x819b, USB_CLASS_COMM,
698 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
699 .driver_info = 0,
700},
701
7b5939ba
YY		 702/* Novatel Expedite E371 - handled by qmi_wwan */
703{
704 USB_DEVICE_AND_INTERFACE_INFO(NOVATEL_VENDOR_ID, 0x9011, USB_CLASS_COMM,
705 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
706 .driver_info = 0,
707},
708
5b9f5751
BM		 709/* HP lt2523 (Novatel E371) - handled by qmi_wwan */
710{
711 USB_DEVICE_AND_INTERFACE_INFO(HP_VENDOR_ID, 0x421d, USB_CLASS_COMM,
712 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
713 .driver_info = 0,
714},
715
45d213f5
DW		 716/* AnyDATA ADU960S - handled by qmi_wwan */
717{
718 USB_DEVICE_AND_INTERFACE_INFO(0x16d5, 0x650a, USB_CLASS_COMM,
719 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
720 .driver_info = 0,
721},
722
c2020be3
BM		 723/* Huawei E1820 - handled by qmi_wwan */
724{
725 USB_DEVICE_INTERFACE_NUMBER(HUAWEI_VENDOR_ID, 0x14ac, 1),
726 .driver_info = 0,
727},
728
ac718b69 729/* Realtek RTL8152 Based USB 2.0 Ethernet Adapters */
ac718b69 730{
731 USB_DEVICE_AND_INTERFACE_INFO(REALTEK_VENDOR_ID, 0x8152, USB_CLASS_COMM,
732 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
733 .driver_info = 0,
734},
c073f666 735
736/* Realtek RTL8153 Based USB 3.0 Ethernet Adapters */
737{
738 USB_DEVICE_AND_INTERFACE_INFO(REALTEK_VENDOR_ID, 0x8153, USB_CLASS_COMM,
739 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
740 .driver_info = 0,
741},
ac718b69 742
10c32717 743/* Samsung USB Ethernet Adapters */
744{
745 USB_DEVICE_AND_INTERFACE_INFO(SAMSUNG_VENDOR_ID, 0xa101, USB_CLASS_COMM,
746 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
747 .driver_info = 0,
748},
749
90841047
GG		 750#if IS_ENABLED(CONFIG_USB_RTL8152)
751/* Linksys USB3GIGV1 Ethernet Adapter */
752{
753 USB_DEVICE_AND_INTERFACE_INFO(LINKSYS_VENDOR_ID, 0x0041, USB_CLASS_COMM,
754 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
755 .driver_info = 0,
756},
757#endif
758
d248cafc 759/* ThinkPad USB-C Dock (based on Realtek RTL8153) */
760{
761 USB_DEVICE_AND_INTERFACE_INFO(LENOVO_VENDOR_ID, 0x3062, USB_CLASS_COMM,
762 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
763 .driver_info = 0,
764},
765
766/* ThinkPad Thunderbolt 3 Dock (based on Realtek RTL8153) */
767{
768 USB_DEVICE_AND_INTERFACE_INFO(LENOVO_VENDOR_ID, 0x3069, USB_CLASS_COMM,
769 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
770 .driver_info = 0,
771},
772
347eec34
CH		 773/* Lenovo Thinkpad USB 3.0 Ethernet Adapters (based on Realtek RTL8153) */
774{
775 USB_DEVICE_AND_INTERFACE_INFO(LENOVO_VENDOR_ID, 0x7205, USB_CLASS_COMM,
776 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
777 .driver_info = 0,
778},
779
d248cafc 780/* Lenovo USB C to Ethernet Adapter (based on Realtek RTL8153) */
781{
782 USB_DEVICE_AND_INTERFACE_INFO(LENOVO_VENDOR_ID, 0x720c, USB_CLASS_COMM,
783 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
784 .driver_info = 0,
785},
786
787/* Lenovo USB-C Travel Hub (based on Realtek RTL8153) */
788{
789 USB_DEVICE_AND_INTERFACE_INFO(LENOVO_VENDOR_ID, 0x7214, USB_CLASS_COMM,
790 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
791 .driver_info = 0,
792},
793
d065c3c1
ZL		 794/* NVIDIA Tegra USB 3.0 Ethernet Adapters (based on Realtek RTL8153) */
795{
796 USB_DEVICE_AND_INTERFACE_INFO(NVIDIA_VENDOR_ID, 0x09ff, USB_CLASS_COMM,
d5b07ccc
RR		 797 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
798 .driver_info = 0,
799},
800
801/* Microsoft Surface 2 dock (based on Realtek RTL8152) */
802{
803 USB_DEVICE_AND_INTERFACE_INFO(MICROSOFT_VENDOR_ID, 0x07ab, USB_CLASS_COMM,
804 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
805 .driver_info = 0,
806},
807
808/* Microsoft Surface 3 dock (based on Realtek RTL8153) */
809{
810 USB_DEVICE_AND_INTERFACE_INFO(MICROSOFT_VENDOR_ID, 0x07c6, USB_CLASS_COMM,
d065c3c1
ZL		 811 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
812 .driver_info = 0,
813},
814
9d11b066
RW		 815 /* TP-LINK UE300 USB 3.0 Ethernet Adapters (based on Realtek RTL8153) */
816{
817 USB_DEVICE_AND_INTERFACE_INFO(TPLINK_VENDOR_ID, 0x0601, USB_CLASS_COMM,
818 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
d596df3a
DB		 819 .driver_info = 0,
820},
821
822/* Aquantia AQtion USB to 5GbE Controller (based on AQC111U) */
823{
824 USB_DEVICE_AND_INTERFACE_INFO(AQUANTIA_VENDOR_ID, 0xc101,
825 USB_CLASS_COMM, USB_CDC_SUBCLASS_ETHERNET,
826 USB_CDC_PROTO_NONE),
827 .driver_info = 0,
828},
829
830/* ASIX USB 3.1 Gen1 to 5G Multi-Gigabit Ethernet Adapter(based on AQC111U) */
831{
832 USB_DEVICE_AND_INTERFACE_INFO(ASIX_VENDOR_ID, 0x2790, USB_CLASS_COMM,
833 USB_CDC_SUBCLASS_ETHERNET,
834 USB_CDC_PROTO_NONE),
835 .driver_info = 0,
836},
837
838/* ASIX USB 3.1 Gen1 to 2.5G Multi-Gigabit Ethernet Adapter(based on AQC112U) */
839{
840 USB_DEVICE_AND_INTERFACE_INFO(ASIX_VENDOR_ID, 0x2791, USB_CLASS_COMM,
841 USB_CDC_SUBCLASS_ETHERNET,
842 USB_CDC_PROTO_NONE),
9098f21f
DB		 843 .driver_info = 0,
844},
845
846/* USB-C 3.1 to 5GBASE-T Ethernet Adapter (based on AQC111U) */
847{
848 USB_DEVICE_AND_INTERFACE_INFO(0x20f4, 0xe05a, USB_CLASS_COMM,
849 USB_CDC_SUBCLASS_ETHERNET,
850 USB_CDC_PROTO_NONE),
b7ebee2f
DB		 851 .driver_info = 0,
852},
853
854/* QNAP QNA-UC5G1T USB to 5GbE Adapter (based on AQC111U) */
855{
856 USB_DEVICE_AND_INTERFACE_INFO(0x1c04, 0x0015, USB_CLASS_COMM,
857 USB_CDC_SUBCLASS_ETHERNET,
858 USB_CDC_PROTO_NONE),
9d11b066
RW		 859 .driver_info = 0,
860},
861
8857ec28 862/* WHITELIST!!!
4324fd49
DB		 863 *
864 * CDC Ether uses two interfaces, not necessarily consecutive.
865 * We match the main interface, ignoring the optional device
866 * class so we could handle devices that aren't exclusively
867 * CDC ether.
868 *
869 * NOTE: this match must come AFTER entries blacklisting devices
870 * because of bugs/quirks in a given product (like Zaurus, above).
871 */
872{
68d8318b 873 /* ZTE (Vodafone) K3805-Z */
d82a7f54
FP		 874 USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1003, USB_CLASS_COMM,
875 USB_CDC_SUBCLASS_ETHERNET,
876 USB_CDC_PROTO_NONE),
68d8318b
ABSS		 877 .driver_info = (unsigned long)&wwan_info,
878}, {
879 /* ZTE (Vodafone) K3806-Z */
d82a7f54
FP		 880 USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1015, USB_CLASS_COMM,
881 USB_CDC_SUBCLASS_ETHERNET,
882 USB_CDC_PROTO_NONE),
68d8318b
ABSS		 883 .driver_info = (unsigned long)&wwan_info,
884}, {
885 /* ZTE (Vodafone) K4510-Z */
d82a7f54
FP		 886 USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1173, USB_CLASS_COMM,
887 USB_CDC_SUBCLASS_ETHERNET,
888 USB_CDC_PROTO_NONE),
68d8318b
ABSS		 889 .driver_info = (unsigned long)&wwan_info,
890}, {
891 /* ZTE (Vodafone) K3770-Z */
d82a7f54
FP		 892 USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1177, USB_CLASS_COMM,
893 USB_CDC_SUBCLASS_ETHERNET,
894 USB_CDC_PROTO_NONE),
68d8318b
ABSS		 895 .driver_info = (unsigned long)&wwan_info,
896}, {
897 /* ZTE (Vodafone) K3772-Z */
d82a7f54
FP		 898 USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1181, USB_CLASS_COMM,
899 USB_CDC_SUBCLASS_ETHERNET,
900 USB_CDC_PROTO_NONE),
68d8318b 901 .driver_info = (unsigned long)&wwan_info,
00928204
FP		 902}, {
903 /* Telit modules */
904 USB_VENDOR_AND_INTERFACE_INFO(0x1bc7, USB_CLASS_COMM,
905 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
906 .driver_info = (kernel_ulong_t) &wwan_info,
0b88393c
DP		 907}, {
908 /* Dell DW5580 modules */
909 USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, 0x81ba, USB_CLASS_COMM,
910 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
911 .driver_info = (kernel_ulong_t)&wwan_info,
07f37efd
AM		 912}, {
913 /* Huawei ME906 and ME909 */
914 USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0x15c1, USB_CLASS_COMM,
915 USB_CDC_SUBCLASS_ETHERNET,
916 USB_CDC_PROTO_NONE),
917 .driver_info = (unsigned long)&wwan_info,
bfe9b9d2
KE		 918}, {
919 /* ZTE modules */
920 USB_VENDOR_AND_INTERFACE_INFO(ZTE_VENDOR_ID, USB_CLASS_COMM,
921 USB_CDC_SUBCLASS_ETHERNET,
922 USB_CDC_PROTO_NONE),
923 .driver_info = (unsigned long)&zte_cdc_info,
fdfbad32
AM		 924}, {
925 /* U-blox TOBY-L2 */
926 USB_DEVICE_AND_INTERFACE_INFO(UBLOX_VENDOR_ID, 0x1143, USB_CLASS_COMM,
927 USB_CDC_SUBCLASS_ETHERNET,
928 USB_CDC_PROTO_NONE),
929 .driver_info = (unsigned long)&wwan_info,
930}, {
931 /* U-blox SARA-U2 */
932 USB_DEVICE_AND_INTERFACE_INFO(UBLOX_VENDOR_ID, 0x1104, USB_CLASS_COMM,
933 USB_CDC_SUBCLASS_ETHERNET,
934 USB_CDC_PROTO_NONE),
8ca88b54
BB		 935 .driver_info = (unsigned long)&wwan_info,
936}, {
937 /* Cinterion PLS8 modem by GEMALTO */
938 USB_DEVICE_AND_INTERFACE_INFO(0x1e2d, 0x0061, USB_CLASS_COMM,
939 USB_CDC_SUBCLASS_ETHERNET,
940 USB_CDC_PROTO_NONE),
53765341
BB		 941 .driver_info = (unsigned long)&wwan_info,
942}, {
943 /* Cinterion AHS3 modem by GEMALTO */
944 USB_DEVICE_AND_INTERFACE_INFO(0x1e2d, 0x0055, USB_CLASS_COMM,
945 USB_CDC_SUBCLASS_ETHERNET,
946 USB_CDC_PROTO_NONE),
fdfbad32 947 .driver_info = (unsigned long)&wwan_info,
4e6304b8 948}, {
4324fd49
DB		 949 USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_ETHERNET,
950 USB_CDC_PROTO_NONE),
951 .driver_info = (unsigned long) &cdc_info,
cac477e8 952}, {
21851264
JS		 953 USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_MDLM,
954 USB_CDC_PROTO_NONE),
b3c914aa 955 .driver_info = (unsigned long)&wwan_info,
21851264 956
b3c914aa
DW		 957}, {
958 /* Various Huawei modems with a network port like the UMG1831 */
d82a7f54
FP		 959 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_COMM,
960 USB_CDC_SUBCLASS_ETHERNET, 255),
b3c914aa 961 .driver_info = (unsigned long)&wwan_info,
4324fd49 962},
8857ec28 963 { }, /* END */
4324fd49
DB		 964};
965MODULE_DEVICE_TABLE(usb, products);
966
967static struct usb_driver cdc_driver = {
4324fd49
DB		 968 .name = "cdc_ether",
969 .id_table = products,
970 .probe = usbnet_probe,
971 .disconnect = usbnet_disconnect,
972 .suspend = usbnet_suspend,
973 .resume = usbnet_resume,
7f515790 974 .reset_resume = usbnet_resume,
69ee472f 975 .supports_autosuspend = 1,
e1f12eb6 976 .disable_hub_initiated_lpm = 1,
4324fd49
DB		 977};
978
d632eb1b 979module_usb_driver(cdc_driver);
4324fd49
DB		 980
981MODULE_AUTHOR("David Brownell");
982MODULE_DESCRIPTION("USB CDC Ethernet devices");
983MODULE_LICENSE("GPL");
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