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Merge tag 'trace-v4.10-rc2-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rosted...
[mirror_ubuntu-artful-kernel.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
ad55d71a
OAVR		 57#else
58
59#define is_rndis(desc) 0
60#define is_activesync(desc) 0
7e99eedd 61#define is_wireless_rndis(desc) 0
ad55d71a
OAVR		 62
63#endif
64
21851264
JS		 65static const u8 mbm_guid[16] = {
66 0xa3, 0x17, 0xa8, 0x8b, 0x04, 0x5e, 0x4f, 0x01,
67 0xa6, 0x07, 0xc0, 0xff, 0xcb, 0x7e, 0x39, 0x2a,
68};
69
d80c679b
OB		 70static void usbnet_cdc_update_filter(struct usbnet *dev)
71{
72 struct cdc_state *info = (void *) &dev->data;
73 struct usb_interface *intf = info->control;
f46ad73a 74 struct net_device *net = dev->net;
d80c679b 75
f46ad73a
ON		 76 u16 cdc_filter = USB_CDC_PACKET_TYPE_DIRECTED
77 | USB_CDC_PACKET_TYPE_BROADCAST;
d80c679b 78
f46ad73a
ON		 79 /* filtering on the device is an optional feature and not worth
80 * the hassle so we just roughly care about snooping and if any
81 * multicast is requested, we take every multicast
d80c679b 82 */
f46ad73a
ON		 83 if (net->flags & IFF_PROMISC)
84 cdc_filter |= USB_CDC_PACKET_TYPE_PROMISCUOUS;
85 if (!netdev_mc_empty(net) || (net->flags & IFF_ALLMULTI))
86 cdc_filter |= USB_CDC_PACKET_TYPE_ALL_MULTICAST;
d80c679b
OB		 87
88 usb_control_msg(dev->udev,
89 usb_sndctrlpipe(dev->udev, 0),
90 USB_CDC_SET_ETHERNET_PACKET_FILTER,
91 USB_TYPE_CLASS | USB_RECIP_INTERFACE,
92 cdc_filter,
93 intf->cur_altsetting->desc.bInterfaceNumber,
94 NULL,
95 0,
96 USB_CTRL_SET_TIMEOUT
97 );
98}
99
8857ec28 100/* probes control interface, claims data interface, collects the bulk
4324fd49
DB		 101 * endpoints, activates data interface (if needed), maybe sets MTU.
102 * all pure cdc, except for certain firmware workarounds, and knowing
103 * that rndis uses one different rule.
104 */
105int usbnet_generic_cdc_bind(struct usbnet *dev, struct usb_interface *intf)
106{
107 u8 *buf = intf->cur_altsetting->extra;
108 int len = intf->cur_altsetting->extralen;
109 struct usb_interface_descriptor *d;
110 struct cdc_state *info = (void *) &dev->data;
111 int status;
112 int rndis;
6eddcb4c 113 bool android_rndis_quirk = false;
4324fd49 114 struct usb_driver *driver = driver_of(intf);
823bd343 115 struct usb_cdc_parsed_header header;
4324fd49 116
8857ec28 117 if (sizeof(dev->data) < sizeof(*info))
4324fd49
DB		 118 return -EDOM;
119
120 /* expect strict spec conformance for the descriptors, but
121 * cope with firmware which stores them in the wrong place
122 */
123 if (len == 0 && dev->udev->actconfig->extralen) {
124 /* Motorola SB4100 (and others: Brad Hards says it's
125 * from a Broadcom design) put CDC descriptors here
126 */
127 buf = dev->udev->actconfig->extra;
128 len = dev->udev->actconfig->extralen;
f5260f02 129 dev_dbg(&intf->dev, "CDC descriptors on config\n");
4324fd49
DB		 130 }
131
4149b72e
DB		 132 /* Maybe CDC descriptors are after the endpoint? This bug has
133 * been seen on some 2Wire Inc RNDIS-ish products.
134 */
135 if (len == 0) {
136 struct usb_host_endpoint *hep;
137
138 hep = intf->cur_altsetting->endpoint;
139 if (hep) {
140 buf = hep->extra;
141 len = hep->extralen;
142 }
143 if (len)
144 dev_dbg(&intf->dev,
145 "CDC descriptors on endpoint\n");
146 }
147
4324fd49
DB		 148 /* this assumes that if there's a non-RNDIS vendor variant
149 * of cdc-acm, it'll fail RNDIS requests cleanly.
150 */
8e95a202
JP		 151 rndis = (is_rndis(&intf->cur_altsetting->desc) ||
152 is_activesync(&intf->cur_altsetting->desc) ||
153 is_wireless_rndis(&intf->cur_altsetting->desc));
4324fd49 154
8857ec28 155 memset(info, 0, sizeof(*info));
4324fd49 156 info->control = intf;
823bd343
ON		 157
158 cdc_parse_cdc_header(&header, intf, buf, len);
159
160 info->u = header.usb_cdc_union_desc;
161 info->header = header.usb_cdc_header_desc;
162 info->ether = header.usb_cdc_ether_desc;
29c6dd59
ON		 163 if (!info->u) {
164 if (rndis)
165 goto skip;
166 else /* in that case a quirk is mandatory */
167 goto bad_desc;
168 }
823bd343
ON		 169 /* we need a master/control interface (what we're
170 * probed with) and a slave/data interface; union
171 * descriptors sort this all out.
172 */
173 info->control = usb_ifnum_to_if(dev->udev,
174 info->u->bMasterInterface0);
175 info->data = usb_ifnum_to_if(dev->udev,
176 info->u->bSlaveInterface0);
177 if (!info->control || !info->data) {
178 dev_dbg(&intf->dev,
179 "master #%u/%p slave #%u/%p\n",
180 info->u->bMasterInterface0,
181 info->control,
182 info->u->bSlaveInterface0,
183 info->data);
184 /* fall back to hard-wiring for RNDIS */
185 if (rndis) {
186 android_rndis_quirk = true;
187 goto skip;
4324fd49 188 }
823bd343
ON		 189 goto bad_desc;
190 }
191 if (info->control != intf) {
192 dev_dbg(&intf->dev, "bogus CDC Union\n");
193 /* Ambit USB Cable Modem (and maybe others)
194 * interchanges master and slave interface.
195 */
196 if (info->data == intf) {
197 info->data = info->control;
198 info->control = intf;
199 } else
200 goto bad_desc;
201 }
202
203 /* some devices merge these - skip class check */
204 if (info->control == info->data)
205 goto skip;
206
207 /* a data interface altsetting does the real i/o */
208 d = &info->data->cur_altsetting->desc;
209 if (d->bInterfaceClass != USB_CLASS_CDC_DATA) {
210 dev_dbg(&intf->dev, "slave class %u\n",
211 d->bInterfaceClass);
212 goto bad_desc;
213 }
214skip:
215 if ( rndis &&
216 header.usb_cdc_acm_descriptor &&
217 header.usb_cdc_acm_descriptor->bmCapabilities) {
218 dev_dbg(&intf->dev,
219 "ACM capabilities %02x, not really RNDIS?\n",
220 header.usb_cdc_acm_descriptor->bmCapabilities);
221 goto bad_desc;
222 }
223
224 if (header.usb_cdc_ether_desc) {
225 dev->hard_mtu = le16_to_cpu(info->ether->wMaxSegmentSize);
226 /* because of Zaurus, we may be ignoring the host
227 * side link address we were given.
228 */
229 }
230
231 if (header.usb_cdc_mdlm_desc &&
232 memcmp(header.usb_cdc_mdlm_desc->bGUID, mbm_guid, 16)) {
233 dev_dbg(&intf->dev, "GUID doesn't match\n");
234 goto bad_desc;
235 }
236
237 if (header.usb_cdc_mdlm_detail_desc &&
238 header.usb_cdc_mdlm_detail_desc->bLength <
239 (sizeof(struct usb_cdc_mdlm_detail_desc) + 1)) {
240 dev_dbg(&intf->dev, "Descriptor too short\n");
241 goto bad_desc;
4324fd49
DB		 242 }
243
823bd343
ON		 244
245
786e3dfb
BD		 246 /* Microsoft ActiveSync based and some regular RNDIS devices lack the
247 * CDC descriptors, so we'll hard-wire the interfaces and not check
248 * for descriptors.
6eddcb4c
BM		 249 *
250 * Some Android RNDIS devices have a CDC Union descriptor pointing
251 * to non-existing interfaces. Ignore that and attempt the same
252 * hard-wired 0 and 1 interfaces.
ad55d71a 253 */
6eddcb4c 254 if (rndis && (!info->u || android_rndis_quirk)) {
ad55d71a
OAVR		 255 info->control = usb_ifnum_to_if(dev->udev, 0);
256 info->data = usb_ifnum_to_if(dev->udev, 1);
6eddcb4c 257 if (!info->control || !info->data || info->control != intf) {
ad55d71a 258 dev_dbg(&intf->dev,
786e3dfb 259 "rndis: master #0/%p slave #1/%p\n",
ad55d71a
OAVR		 260 info->control,
261 info->data);
262 goto bad_desc;
263 }
264
29c6dd59 265 } else if (!info->header || (!rndis && !info->ether)) {
4324fd49
DB		 266 dev_dbg(&intf->dev, "missing cdc %s%s%sdescriptor\n",
267 info->header ? "" : "header ",
268 info->u ? "" : "union ",
269 info->ether ? "" : "ether ");
270 goto bad_desc;
271 }
272
273 /* claim data interface and set it up ... with side effects.
274 * network traffic can't flow until an altsetting is enabled.
275 */
1fc4c84d
BM		 276 if (info->data != info->control) {
277 status = usb_driver_claim_interface(driver, info->data, dev);
278 if (status < 0)
279 return status;
280 }
4324fd49
DB		 281 status = usbnet_get_endpoints(dev, info->data);
282 if (status < 0) {
283 /* ensure immediate exit from usbnet_disconnect */
284 usb_set_intfdata(info->data, NULL);
1fc4c84d
BM		 285 if (info->data != info->control)
286 usb_driver_release_interface(driver, info->data);
4324fd49
DB		 287 return status;
288 }
289
290 /* status endpoint: optional for CDC Ethernet, not RNDIS (or ACM) */
1fc4c84d
BM		 291 if (info->data != info->control)
292 dev->status = NULL;
4324fd49
DB		 293 if (info->control->cur_altsetting->desc.bNumEndpoints == 1) {
294 struct usb_endpoint_descriptor *desc;
295
296 dev->status = &info->control->cur_altsetting->endpoint [0];
297 desc = &dev->status->desc;
8e95a202
JP		 298 if (!usb_endpoint_is_int_in(desc) ||
299 (le16_to_cpu(desc->wMaxPacketSize)
300 < sizeof(struct usb_cdc_notification)) ||
301 !desc->bInterval) {
4324fd49
DB		 302 dev_dbg(&intf->dev, "bad notification endpoint\n");
303 dev->status = NULL;
304 }
305 }
306 if (rndis && !dev->status) {
307 dev_dbg(&intf->dev, "missing RNDIS status endpoint\n");
308 usb_set_intfdata(info->data, NULL);
309 usb_driver_release_interface(driver, info->data);
310 return -ENODEV;
311 }
c472ab68
ON		 312
313 /* Some devices don't initialise properly. In particular
314 * the packet filter is not reset. There are devices that
315 * don't do reset all the way. So the packet filter should
316 * be set to a sane initial value.
317 */
d80c679b
OB		 318 usbnet_cdc_update_filter(dev);
319
4324fd49
DB		 320 return 0;
321
322bad_desc:
323 dev_info(&dev->udev->dev, "bad CDC descriptors\n");
324 return -ENODEV;
325}
326EXPORT_SYMBOL_GPL(usbnet_generic_cdc_bind);
327
328void usbnet_cdc_unbind(struct usbnet *dev, struct usb_interface *intf)
329{
330 struct cdc_state *info = (void *) &dev->data;
331 struct usb_driver *driver = driver_of(intf);
332
1fc4c84d
BM		 333 /* combined interface - nothing to do */
334 if (info->data == info->control)
335 return;
336
4324fd49
DB		 337 /* disconnect master --> disconnect slave */
338 if (intf == info->control && info->data) {
339 /* ensure immediate exit from usbnet_disconnect */
340 usb_set_intfdata(info->data, NULL);
341 usb_driver_release_interface(driver, info->data);
342 info->data = NULL;
343 }
344
345 /* and vice versa (just in case) */
346 else if (intf == info->data && info->control) {
347 /* ensure immediate exit from usbnet_disconnect */
348 usb_set_intfdata(info->control, NULL);
349 usb_driver_release_interface(driver, info->control);
350 info->control = NULL;
351 }
352}
353EXPORT_SYMBOL_GPL(usbnet_cdc_unbind);
354
8857ec28 355/* Communications Device Class, Ethernet Control model
4324fd49
DB		 356 *
357 * Takes two interfaces. The DATA interface is inactive till an altsetting
358 * is selected. Configuration data includes class descriptors. There's
359 * an optional status endpoint on the control interface.
360 *
361 * This should interop with whatever the 2.4 "CDCEther.c" driver
362 * (by Brad Hards) talked with, with more functionality.
8857ec28 363 */
4324fd49
DB		 364
365static void dumpspeed(struct usbnet *dev, __le32 *speeds)
366{
a475f603
JP		 367 netif_info(dev, timer, dev->net,
368 "link speeds: %u kbps up, %u kbps down\n",
369 __le32_to_cpu(speeds[0]) / 1000,
370 __le32_to_cpu(speeds[1]) / 1000);
4324fd49
DB		 371}
372
7a635ea9 373void usbnet_cdc_status(struct usbnet *dev, struct urb *urb)
4324fd49
DB		 374{
375 struct usb_cdc_notification *event;
376
8857ec28 377 if (urb->actual_length < sizeof(*event))
4324fd49
DB		 378 return;
379
380 /* SPEED_CHANGE can get split into two 8-byte packets */
381 if (test_and_clear_bit(EVENT_STS_SPLIT, &dev->flags)) {
382 dumpspeed(dev, (__le32 *) urb->transfer_buffer);
383 return;
384 }
385
386 event = urb->transfer_buffer;
387 switch (event->bNotificationType) {
388 case USB_CDC_NOTIFY_NETWORK_CONNECTION:
a475f603
JP		 389 netif_dbg(dev, timer, dev->net, "CDC: carrier %s\n",
390 event->wValue ? "on" : "off");
a6bda459 391 usbnet_link_change(dev, !!event->wValue, 0);
4324fd49
DB		 392 break;
393 case USB_CDC_NOTIFY_SPEED_CHANGE: /* tx/rx rates */
a475f603
JP		 394 netif_dbg(dev, timer, dev->net, "CDC: speed change (len %d)\n",
395 urb->actual_length);
8857ec28 396 if (urb->actual_length != (sizeof(*event) + 8))
4324fd49
DB		 397 set_bit(EVENT_STS_SPLIT, &dev->flags);
398 else
399 dumpspeed(dev, (__le32 *) &event[1]);
400 break;
401 /* USB_CDC_NOTIFY_RESPONSE_AVAILABLE can happen too (e.g. RNDIS),
402 * but there are no standard formats for the response data.
403 */
404 default:
60b86755
JP		 405 netdev_err(dev->net, "CDC: unexpected notification %02x!\n",
406 event->bNotificationType);
4324fd49
DB		 407 break;
408 }
409}
7a635ea9 410EXPORT_SYMBOL_GPL(usbnet_cdc_status);
4324fd49 411
7a635ea9 412int usbnet_cdc_bind(struct usbnet *dev, struct usb_interface *intf)
4324fd49
DB		 413{
414 int status;
415 struct cdc_state *info = (void *) &dev->data;
416
d632eb1b
GKH		 417 BUILD_BUG_ON((sizeof(((struct usbnet *)0)->data)
418 < sizeof(struct cdc_state)));
419
4324fd49
DB		 420 status = usbnet_generic_cdc_bind(dev, intf);
421 if (status < 0)
422 return status;
423
03ad032b 424 status = usbnet_get_ethernet_addr(dev, info->ether->iMACAddress);
4324fd49
DB		 425 if (status < 0) {
426 usb_set_intfdata(info->data, NULL);
427 usb_driver_release_interface(driver_of(intf), info->data);
428 return status;
429 }
430
4324fd49
DB		 431 return 0;
432}
7a635ea9 433EXPORT_SYMBOL_GPL(usbnet_cdc_bind);
4324fd49 434
bfe9b9d2
KE		 435static int usbnet_cdc_zte_bind(struct usbnet *dev, struct usb_interface *intf)
436{
437 int status = usbnet_cdc_bind(dev, intf);
438
439 if (!status && (dev->net->dev_addr[0] & 0x02))
440 eth_hw_addr_random(dev->net);
441
442 return status;
443}
444
445/* Make sure packets have correct destination MAC address
446 *
447 * A firmware bug observed on some devices (ZTE MF823/831/910) is that the
448 * device sends packets with a static, bogus, random MAC address (event if
449 * device MAC address has been updated). Always set MAC address to that of the
450 * device.
451 */
452static int usbnet_cdc_zte_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
453{
454 if (skb->len < ETH_HLEN || !(skb->data[0] & 0x02))
455 return 1;
456
457 skb_reset_mac_header(skb);
458 ether_addr_copy(eth_hdr(skb)->h_dest, dev->net->dev_addr);
459
460 return 1;
461}
462
d5c83d0d
KE		 463/* Ensure correct link state
464 *
465 * Some devices (ZTE MF823/831/910) export two carrier on notifications when
466 * connected. This causes the link state to be incorrect. Work around this by
467 * always setting the state to off, then on.
468 */
469void usbnet_cdc_zte_status(struct usbnet *dev, struct urb *urb)
470{
471 struct usb_cdc_notification *event;
472
473 if (urb->actual_length < sizeof(*event))
474 return;
475
476 event = urb->transfer_buffer;
477
478 if (event->bNotificationType != USB_CDC_NOTIFY_NETWORK_CONNECTION) {
479 usbnet_cdc_status(dev, urb);
480 return;
481 }
482
483 netif_dbg(dev, timer, dev->net, "CDC: carrier %s\n",
484 event->wValue ? "on" : "off");
485
486 if (event->wValue &&
487 netif_carrier_ok(dev->net))
488 netif_carrier_off(dev->net);
489
490 usbnet_link_change(dev, !!event->wValue, 0);
491}
492
4324fd49
DB		 493static const struct driver_info cdc_info = {
494 .description = "CDC Ethernet Device",
c261344d 495 .flags = FLAG_ETHER | FLAG_POINTTOPOINT,
7a635ea9 496 .bind = usbnet_cdc_bind,
4324fd49 497 .unbind = usbnet_cdc_unbind,
7a635ea9 498 .status = usbnet_cdc_status,
b77e26d1 499 .set_rx_mode = usbnet_cdc_update_filter,
a5e40708 500 .manage_power = usbnet_manage_power,
4324fd49
DB		 501};
502
bfe9b9d2
KE		 503static const struct driver_info zte_cdc_info = {
504 .description = "ZTE CDC Ethernet Device",
505 .flags = FLAG_ETHER | FLAG_POINTTOPOINT,
506 .bind = usbnet_cdc_zte_bind,
507 .unbind = usbnet_cdc_unbind,
d5c83d0d 508 .status = usbnet_cdc_zte_status,
bfe9b9d2
KE		 509 .set_rx_mode = usbnet_cdc_update_filter,
510 .manage_power = usbnet_manage_power,
511 .rx_fixup = usbnet_cdc_zte_rx_fixup,
512};
513
b3c914aa 514static const struct driver_info wwan_info = {
e1e499ee
MH		 515 .description = "Mobile Broadband Network Device",
516 .flags = FLAG_WWAN,
7a635ea9 517 .bind = usbnet_cdc_bind,
e1e499ee 518 .unbind = usbnet_cdc_unbind,
7a635ea9 519 .status = usbnet_cdc_status,
b77e26d1 520 .set_rx_mode = usbnet_cdc_update_filter,
a5e40708 521 .manage_power = usbnet_manage_power,
e1e499ee
MH		 522};
523
4324fd49
DB		 524/*-------------------------------------------------------------------------*/
525
b3c914aa 526#define HUAWEI_VENDOR_ID 0x12D1
4e6304b8 527#define NOVATEL_VENDOR_ID 0x1410
68d8318b 528#define ZTE_VENDOR_ID 0x19D2
0370acd4 529#define DELL_VENDOR_ID 0x413C
ac718b69 530#define REALTEK_VENDOR_ID 0x0bda
43779f8d 531#define SAMSUNG_VENDOR_ID 0x04e8
347eec34 532#define LENOVO_VENDOR_ID 0x17ef
d065c3c1 533#define NVIDIA_VENDOR_ID 0x0955
5b9f5751 534#define HP_VENDOR_ID 0x03f0
4324fd49 535
8857ec28
FP		 536static const struct usb_device_id products[] = {
537/* BLACKLIST !!
4324fd49
DB		 538 *
539 * First blacklist any products that are egregiously nonconformant
540 * with the CDC Ethernet specs. Minor braindamage we cope with; when
541 * they're not even trying, needing a separate driver is only the first
542 * of the differences to show up.
543 */
544
545#define ZAURUS_MASTER_INTERFACE \
546 .bInterfaceClass = USB_CLASS_COMM, \
547 .bInterfaceSubClass = USB_CDC_SUBCLASS_ETHERNET, \
548 .bInterfaceProtocol = USB_CDC_PROTO_NONE
549
550/* SA-1100 based Sharp Zaurus ("collie"), or compatible;
551 * wire-incompatible with true CDC Ethernet implementations.
552 * (And, it seems, needlessly so...)
553 */
554{
555 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
556 | USB_DEVICE_ID_MATCH_DEVICE,
557 .idVendor = 0x04DD,
558 .idProduct = 0x8004,
559 ZAURUS_MASTER_INTERFACE,
560 .driver_info = 0,
561},
562
563/* PXA-25x based Sharp Zaurii. Note that it seems some of these
564 * (later models especially) may have shipped only with firmware
565 * advertising false "CDC MDLM" compatibility ... but we're not
566 * clear which models did that, so for now let's assume the worst.
567 */
568{
569 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
570 | USB_DEVICE_ID_MATCH_DEVICE,
571 .idVendor = 0x04DD,
572 .idProduct = 0x8005, /* A-300 */
573 ZAURUS_MASTER_INTERFACE,
574 .driver_info = 0,
575}, {
576 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
577 | USB_DEVICE_ID_MATCH_DEVICE,
578 .idVendor = 0x04DD,
579 .idProduct = 0x8006, /* B-500/SL-5600 */
580 ZAURUS_MASTER_INTERFACE,
581 .driver_info = 0,
582}, {
583 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
8857ec28 584 | USB_DEVICE_ID_MATCH_DEVICE,
4324fd49
DB		 585 .idVendor = 0x04DD,
586 .idProduct = 0x8007, /* C-700 */
587 ZAURUS_MASTER_INTERFACE,
588 .driver_info = 0,
589}, {
590 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
591 | USB_DEVICE_ID_MATCH_DEVICE,
592 .idVendor = 0x04DD,
593 .idProduct = 0x9031, /* C-750 C-760 */
594 ZAURUS_MASTER_INTERFACE,
595 .driver_info = 0,
596}, {
597 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
598 | USB_DEVICE_ID_MATCH_DEVICE,
599 .idVendor = 0x04DD,
600 .idProduct = 0x9032, /* SL-6000 */
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 /* reported with some C860 units */
608 .idProduct = 0x9050, /* C-860 */
609 ZAURUS_MASTER_INTERFACE,
610 .driver_info = 0,
611},
612
efcaa205
DB		 613/* Olympus has some models with a Zaurus-compatible option.
614 * R-1000 uses a FreeScale i.MXL cpu (ARMv4T)
615 */
616{
617 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
618 | USB_DEVICE_ID_MATCH_DEVICE,
619 .idVendor = 0x07B4,
620 .idProduct = 0x0F02, /* R-1000 */
621 ZAURUS_MASTER_INTERFACE,
622 .driver_info = 0,
623},
624
7a635ea9
AZ		 625/* LG Electronics VL600 wants additional headers on every frame */
626{
627 USB_DEVICE_AND_INTERFACE_INFO(0x1004, 0x61aa, USB_CLASS_COMM,
628 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
6d74eb94 629 .driver_info = 0,
7a635ea9
AZ		 630},
631
ee932bf9
ST		 632/* Logitech Harmony 900 - uses the pseudo-MDLM (BLAN) driver */
633{
634 USB_DEVICE_AND_INTERFACE_INFO(0x046d, 0xc11f, USB_CLASS_COMM,
635 USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE),
636 .driver_info = 0,
637},
638
f8295ec2
DW		 639/* Novatel USB551L and MC551 - handled by qmi_wwan */
640{
c39ba1c2
DW		 641 USB_DEVICE_AND_INTERFACE_INFO(NOVATEL_VENDOR_ID, 0xB001, USB_CLASS_COMM,
642 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
f8295ec2
DW		 643 .driver_info = 0,
644},
645
646/* Novatel E362 - handled by qmi_wwan */
647{
c39ba1c2
DW		 648 USB_DEVICE_AND_INTERFACE_INFO(NOVATEL_VENDOR_ID, 0x9010, USB_CLASS_COMM,
649 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
f8295ec2
DW		 650 .driver_info = 0,
651},
652
0370acd4
DW		 653/* Dell Wireless 5800 (Novatel E362) - handled by qmi_wwan */
654{
655 USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, 0x8195, USB_CLASS_COMM,
656 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
657 .driver_info = 0,
658},
659
660/* Dell Wireless 5800 (Novatel E362) - handled by qmi_wwan */
661{
662 USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, 0x8196, USB_CLASS_COMM,
663 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
664 .driver_info = 0,
665},
666
7fdb7846
DW		 667/* Dell Wireless 5804 (Novatel E371) - handled by qmi_wwan */
668{
669 USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, 0x819b, USB_CLASS_COMM,
670 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
671 .driver_info = 0,
672},
673
7b5939ba
YY		 674/* Novatel Expedite E371 - handled by qmi_wwan */
675{
676 USB_DEVICE_AND_INTERFACE_INFO(NOVATEL_VENDOR_ID, 0x9011, USB_CLASS_COMM,
677 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
678 .driver_info = 0,
679},
680
5b9f5751
BM		 681/* HP lt2523 (Novatel E371) - handled by qmi_wwan */
682{
683 USB_DEVICE_AND_INTERFACE_INFO(HP_VENDOR_ID, 0x421d, USB_CLASS_COMM,
684 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
685 .driver_info = 0,
686},
687
45d213f5
DW		 688/* AnyDATA ADU960S - handled by qmi_wwan */
689{
690 USB_DEVICE_AND_INTERFACE_INFO(0x16d5, 0x650a, USB_CLASS_COMM,
691 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
692 .driver_info = 0,
693},
694
c2020be3
BM		 695/* Huawei E1820 - handled by qmi_wwan */
696{
697 USB_DEVICE_INTERFACE_NUMBER(HUAWEI_VENDOR_ID, 0x14ac, 1),
698 .driver_info = 0,
699},
700
ac718b69 701/* Realtek RTL8152 Based USB 2.0 Ethernet Adapters */
ac718b69 702{
703 USB_DEVICE_AND_INTERFACE_INFO(REALTEK_VENDOR_ID, 0x8152, USB_CLASS_COMM,
704 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
705 .driver_info = 0,
706},
c073f666 707
708/* Realtek RTL8153 Based USB 3.0 Ethernet Adapters */
709{
710 USB_DEVICE_AND_INTERFACE_INFO(REALTEK_VENDOR_ID, 0x8153, USB_CLASS_COMM,
711 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
712 .driver_info = 0,
713},
ac718b69 714
10c32717 715/* Samsung USB Ethernet Adapters */
716{
717 USB_DEVICE_AND_INTERFACE_INFO(SAMSUNG_VENDOR_ID, 0xa101, USB_CLASS_COMM,
718 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
719 .driver_info = 0,
720},
721
d248cafc 722/* ThinkPad USB-C Dock (based on Realtek RTL8153) */
723{
724 USB_DEVICE_AND_INTERFACE_INFO(LENOVO_VENDOR_ID, 0x3062, USB_CLASS_COMM,
725 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
726 .driver_info = 0,
727},
728
729/* ThinkPad Thunderbolt 3 Dock (based on Realtek RTL8153) */
730{
731 USB_DEVICE_AND_INTERFACE_INFO(LENOVO_VENDOR_ID, 0x3069, USB_CLASS_COMM,
732 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
733 .driver_info = 0,
734},
735
347eec34
CH		 736/* Lenovo Thinkpad USB 3.0 Ethernet Adapters (based on Realtek RTL8153) */
737{
738 USB_DEVICE_AND_INTERFACE_INFO(LENOVO_VENDOR_ID, 0x7205, USB_CLASS_COMM,
739 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
740 .driver_info = 0,
741},
742
d248cafc 743/* Lenovo USB C to Ethernet Adapter (based on Realtek RTL8153) */
744{
745 USB_DEVICE_AND_INTERFACE_INFO(LENOVO_VENDOR_ID, 0x720c, USB_CLASS_COMM,
746 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
747 .driver_info = 0,
748},
749
750/* Lenovo USB-C Travel Hub (based on Realtek RTL8153) */
751{
752 USB_DEVICE_AND_INTERFACE_INFO(LENOVO_VENDOR_ID, 0x7214, USB_CLASS_COMM,
753 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
754 .driver_info = 0,
755},
756
d065c3c1
ZL		 757/* NVIDIA Tegra USB 3.0 Ethernet Adapters (based on Realtek RTL8153) */
758{
759 USB_DEVICE_AND_INTERFACE_INFO(NVIDIA_VENDOR_ID, 0x09ff, USB_CLASS_COMM,
760 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
761 .driver_info = 0,
762},
763
8857ec28 764/* WHITELIST!!!
4324fd49
DB		 765 *
766 * CDC Ether uses two interfaces, not necessarily consecutive.
767 * We match the main interface, ignoring the optional device
768 * class so we could handle devices that aren't exclusively
769 * CDC ether.
770 *
771 * NOTE: this match must come AFTER entries blacklisting devices
772 * because of bugs/quirks in a given product (like Zaurus, above).
773 */
774{
68d8318b 775 /* ZTE (Vodafone) K3805-Z */
d82a7f54
FP		 776 USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1003, USB_CLASS_COMM,
777 USB_CDC_SUBCLASS_ETHERNET,
778 USB_CDC_PROTO_NONE),
68d8318b
ABSS		 779 .driver_info = (unsigned long)&wwan_info,
780}, {
781 /* ZTE (Vodafone) K3806-Z */
d82a7f54
FP		 782 USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1015, USB_CLASS_COMM,
783 USB_CDC_SUBCLASS_ETHERNET,
784 USB_CDC_PROTO_NONE),
68d8318b
ABSS		 785 .driver_info = (unsigned long)&wwan_info,
786}, {
787 /* ZTE (Vodafone) K4510-Z */
d82a7f54
FP		 788 USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1173, USB_CLASS_COMM,
789 USB_CDC_SUBCLASS_ETHERNET,
790 USB_CDC_PROTO_NONE),
68d8318b
ABSS		 791 .driver_info = (unsigned long)&wwan_info,
792}, {
793 /* ZTE (Vodafone) K3770-Z */
d82a7f54
FP		 794 USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1177, USB_CLASS_COMM,
795 USB_CDC_SUBCLASS_ETHERNET,
796 USB_CDC_PROTO_NONE),
68d8318b
ABSS		 797 .driver_info = (unsigned long)&wwan_info,
798}, {
799 /* ZTE (Vodafone) K3772-Z */
d82a7f54
FP		 800 USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1181, USB_CLASS_COMM,
801 USB_CDC_SUBCLASS_ETHERNET,
802 USB_CDC_PROTO_NONE),
68d8318b 803 .driver_info = (unsigned long)&wwan_info,
00928204
FP		 804}, {
805 /* Telit modules */
806 USB_VENDOR_AND_INTERFACE_INFO(0x1bc7, USB_CLASS_COMM,
807 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
808 .driver_info = (kernel_ulong_t) &wwan_info,
0b88393c
DP		 809}, {
810 /* Dell DW5580 modules */
811 USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, 0x81ba, USB_CLASS_COMM,
812 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
813 .driver_info = (kernel_ulong_t)&wwan_info,
bfe9b9d2
KE		 814}, {
815 /* ZTE modules */
816 USB_VENDOR_AND_INTERFACE_INFO(ZTE_VENDOR_ID, USB_CLASS_COMM,
817 USB_CDC_SUBCLASS_ETHERNET,
818 USB_CDC_PROTO_NONE),
819 .driver_info = (unsigned long)&zte_cdc_info,
4e6304b8 820}, {
4324fd49
DB		 821 USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_ETHERNET,
822 USB_CDC_PROTO_NONE),
823 .driver_info = (unsigned long) &cdc_info,
cac477e8 824}, {
21851264
JS		 825 USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_MDLM,
826 USB_CDC_PROTO_NONE),
b3c914aa 827 .driver_info = (unsigned long)&wwan_info,
21851264 828
b3c914aa
DW		 829}, {
830 /* Various Huawei modems with a network port like the UMG1831 */
d82a7f54
FP		 831 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_COMM,
832 USB_CDC_SUBCLASS_ETHERNET, 255),
b3c914aa 833 .driver_info = (unsigned long)&wwan_info,
4324fd49 834},
8857ec28 835 { }, /* END */
4324fd49
DB		 836};
837MODULE_DEVICE_TABLE(usb, products);
838
839static struct usb_driver cdc_driver = {
4324fd49
DB		 840 .name = "cdc_ether",
841 .id_table = products,
842 .probe = usbnet_probe,
843 .disconnect = usbnet_disconnect,
844 .suspend = usbnet_suspend,
845 .resume = usbnet_resume,
7f515790 846 .reset_resume = usbnet_resume,
69ee472f 847 .supports_autosuspend = 1,
e1f12eb6 848 .disable_hub_initiated_lpm = 1,
4324fd49
DB		 849};
850
d632eb1b 851module_usb_driver(cdc_driver);
4324fd49
DB		 852
853MODULE_AUTHOR("David Brownell");
854MODULE_DESCRIPTION("USB CDC Ethernet devices");
855MODULE_LICENSE("GPL");
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