Commit | Line | Data |
---|---|---|
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 | |
36 | static 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 | ||
43 | static 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 |
50 | static 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 |
65 | static 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 | ||
8857ec28 | 70 | /* probes control interface, claims data interface, collects the bulk |
4324fd49 DB |
71 | * endpoints, activates data interface (if needed), maybe sets MTU. |
72 | * all pure cdc, except for certain firmware workarounds, and knowing | |
73 | * that rndis uses one different rule. | |
74 | */ | |
75 | int usbnet_generic_cdc_bind(struct usbnet *dev, struct usb_interface *intf) | |
76 | { | |
77 | u8 *buf = intf->cur_altsetting->extra; | |
78 | int len = intf->cur_altsetting->extralen; | |
79 | struct usb_interface_descriptor *d; | |
80 | struct cdc_state *info = (void *) &dev->data; | |
81 | int status; | |
82 | int rndis; | |
6eddcb4c | 83 | bool android_rndis_quirk = false; |
4324fd49 | 84 | struct usb_driver *driver = driver_of(intf); |
21851264 JS |
85 | struct usb_cdc_mdlm_desc *desc = NULL; |
86 | struct usb_cdc_mdlm_detail_desc *detail = NULL; | |
4324fd49 | 87 | |
8857ec28 | 88 | if (sizeof(dev->data) < sizeof(*info)) |
4324fd49 DB |
89 | return -EDOM; |
90 | ||
91 | /* expect strict spec conformance for the descriptors, but | |
92 | * cope with firmware which stores them in the wrong place | |
93 | */ | |
94 | if (len == 0 && dev->udev->actconfig->extralen) { | |
95 | /* Motorola SB4100 (and others: Brad Hards says it's | |
96 | * from a Broadcom design) put CDC descriptors here | |
97 | */ | |
98 | buf = dev->udev->actconfig->extra; | |
99 | len = dev->udev->actconfig->extralen; | |
f5260f02 | 100 | dev_dbg(&intf->dev, "CDC descriptors on config\n"); |
4324fd49 DB |
101 | } |
102 | ||
4149b72e DB |
103 | /* Maybe CDC descriptors are after the endpoint? This bug has |
104 | * been seen on some 2Wire Inc RNDIS-ish products. | |
105 | */ | |
106 | if (len == 0) { | |
107 | struct usb_host_endpoint *hep; | |
108 | ||
109 | hep = intf->cur_altsetting->endpoint; | |
110 | if (hep) { | |
111 | buf = hep->extra; | |
112 | len = hep->extralen; | |
113 | } | |
114 | if (len) | |
115 | dev_dbg(&intf->dev, | |
116 | "CDC descriptors on endpoint\n"); | |
117 | } | |
118 | ||
4324fd49 DB |
119 | /* this assumes that if there's a non-RNDIS vendor variant |
120 | * of cdc-acm, it'll fail RNDIS requests cleanly. | |
121 | */ | |
8e95a202 JP |
122 | rndis = (is_rndis(&intf->cur_altsetting->desc) || |
123 | is_activesync(&intf->cur_altsetting->desc) || | |
124 | is_wireless_rndis(&intf->cur_altsetting->desc)); | |
4324fd49 | 125 | |
8857ec28 | 126 | memset(info, 0, sizeof(*info)); |
4324fd49 DB |
127 | info->control = intf; |
128 | while (len > 3) { | |
8857ec28 | 129 | if (buf[1] != USB_DT_CS_INTERFACE) |
4324fd49 DB |
130 | goto next_desc; |
131 | ||
132 | /* use bDescriptorSubType to identify the CDC descriptors. | |
133 | * We expect devices with CDC header and union descriptors. | |
134 | * For CDC Ethernet we need the ethernet descriptor. | |
135 | * For RNDIS, ignore two (pointless) CDC modem descriptors | |
136 | * in favor of a complicated OID-based RPC scheme doing what | |
137 | * CDC Ethernet achieves with a simple descriptor. | |
138 | */ | |
8857ec28 | 139 | switch (buf[2]) { |
4324fd49 DB |
140 | case USB_CDC_HEADER_TYPE: |
141 | if (info->header) { | |
142 | dev_dbg(&intf->dev, "extra CDC header\n"); | |
143 | goto bad_desc; | |
144 | } | |
145 | info->header = (void *) buf; | |
8857ec28 | 146 | if (info->header->bLength != sizeof(*info->header)) { |
4324fd49 DB |
147 | dev_dbg(&intf->dev, "CDC header len %u\n", |
148 | info->header->bLength); | |
149 | goto bad_desc; | |
150 | } | |
151 | break; | |
ad55d71a OAVR |
152 | case USB_CDC_ACM_TYPE: |
153 | /* paranoia: disambiguate a "real" vendor-specific | |
154 | * modem interface from an RNDIS non-modem. | |
155 | */ | |
156 | if (rndis) { | |
afaee82c | 157 | struct usb_cdc_acm_descriptor *acm; |
ad55d71a | 158 | |
afaee82c DB |
159 | acm = (void *) buf; |
160 | if (acm->bmCapabilities) { | |
ad55d71a OAVR |
161 | dev_dbg(&intf->dev, |
162 | "ACM capabilities %02x, " | |
163 | "not really RNDIS?\n", | |
afaee82c | 164 | acm->bmCapabilities); |
ad55d71a OAVR |
165 | goto bad_desc; |
166 | } | |
167 | } | |
168 | break; | |
4324fd49 DB |
169 | case USB_CDC_UNION_TYPE: |
170 | if (info->u) { | |
171 | dev_dbg(&intf->dev, "extra CDC union\n"); | |
172 | goto bad_desc; | |
173 | } | |
174 | info->u = (void *) buf; | |
8857ec28 | 175 | if (info->u->bLength != sizeof(*info->u)) { |
4324fd49 DB |
176 | dev_dbg(&intf->dev, "CDC union len %u\n", |
177 | info->u->bLength); | |
178 | goto bad_desc; | |
179 | } | |
180 | ||
181 | /* we need a master/control interface (what we're | |
182 | * probed with) and a slave/data interface; union | |
183 | * descriptors sort this all out. | |
184 | */ | |
185 | info->control = usb_ifnum_to_if(dev->udev, | |
186 | info->u->bMasterInterface0); | |
187 | info->data = usb_ifnum_to_if(dev->udev, | |
188 | info->u->bSlaveInterface0); | |
189 | if (!info->control || !info->data) { | |
190 | dev_dbg(&intf->dev, | |
191 | "master #%u/%p slave #%u/%p\n", | |
192 | info->u->bMasterInterface0, | |
193 | info->control, | |
194 | info->u->bSlaveInterface0, | |
195 | info->data); | |
6eddcb4c BM |
196 | /* fall back to hard-wiring for RNDIS */ |
197 | if (rndis) { | |
198 | android_rndis_quirk = true; | |
199 | goto next_desc; | |
200 | } | |
4324fd49 DB |
201 | goto bad_desc; |
202 | } | |
203 | if (info->control != intf) { | |
204 | dev_dbg(&intf->dev, "bogus CDC Union\n"); | |
205 | /* Ambit USB Cable Modem (and maybe others) | |
206 | * interchanges master and slave interface. | |
207 | */ | |
208 | if (info->data == intf) { | |
209 | info->data = info->control; | |
210 | info->control = intf; | |
211 | } else | |
212 | goto bad_desc; | |
213 | } | |
214 | ||
1fc4c84d BM |
215 | /* some devices merge these - skip class check */ |
216 | if (info->control == info->data) | |
217 | goto next_desc; | |
218 | ||
4324fd49 DB |
219 | /* a data interface altsetting does the real i/o */ |
220 | d = &info->data->cur_altsetting->desc; | |
221 | if (d->bInterfaceClass != USB_CLASS_CDC_DATA) { | |
222 | dev_dbg(&intf->dev, "slave class %u\n", | |
223 | d->bInterfaceClass); | |
224 | goto bad_desc; | |
225 | } | |
226 | break; | |
227 | case USB_CDC_ETHERNET_TYPE: | |
228 | if (info->ether) { | |
229 | dev_dbg(&intf->dev, "extra CDC ether\n"); | |
230 | goto bad_desc; | |
231 | } | |
232 | info->ether = (void *) buf; | |
8857ec28 | 233 | if (info->ether->bLength != sizeof(*info->ether)) { |
4324fd49 DB |
234 | dev_dbg(&intf->dev, "CDC ether len %u\n", |
235 | info->ether->bLength); | |
236 | goto bad_desc; | |
237 | } | |
238 | dev->hard_mtu = le16_to_cpu( | |
239 | info->ether->wMaxSegmentSize); | |
240 | /* because of Zaurus, we may be ignoring the host | |
241 | * side link address we were given. | |
242 | */ | |
243 | break; | |
21851264 JS |
244 | case USB_CDC_MDLM_TYPE: |
245 | if (desc) { | |
246 | dev_dbg(&intf->dev, "extra MDLM descriptor\n"); | |
247 | goto bad_desc; | |
248 | } | |
249 | ||
250 | desc = (void *)buf; | |
251 | ||
252 | if (desc->bLength != sizeof(*desc)) | |
253 | goto bad_desc; | |
254 | ||
255 | if (memcmp(&desc->bGUID, mbm_guid, 16)) | |
256 | goto bad_desc; | |
257 | break; | |
258 | case USB_CDC_MDLM_DETAIL_TYPE: | |
259 | if (detail) { | |
260 | dev_dbg(&intf->dev, "extra MDLM detail descriptor\n"); | |
261 | goto bad_desc; | |
262 | } | |
263 | ||
264 | detail = (void *)buf; | |
265 | ||
266 | if (detail->bGuidDescriptorType == 0) { | |
267 | if (detail->bLength < (sizeof(*detail) + 1)) | |
268 | goto bad_desc; | |
269 | } else | |
270 | goto bad_desc; | |
271 | break; | |
4324fd49 DB |
272 | } |
273 | next_desc: | |
8857ec28 FP |
274 | len -= buf[0]; /* bLength */ |
275 | buf += buf[0]; | |
4324fd49 DB |
276 | } |
277 | ||
786e3dfb BD |
278 | /* Microsoft ActiveSync based and some regular RNDIS devices lack the |
279 | * CDC descriptors, so we'll hard-wire the interfaces and not check | |
280 | * for descriptors. | |
6eddcb4c BM |
281 | * |
282 | * Some Android RNDIS devices have a CDC Union descriptor pointing | |
283 | * to non-existing interfaces. Ignore that and attempt the same | |
284 | * hard-wired 0 and 1 interfaces. | |
ad55d71a | 285 | */ |
6eddcb4c | 286 | if (rndis && (!info->u || android_rndis_quirk)) { |
ad55d71a OAVR |
287 | info->control = usb_ifnum_to_if(dev->udev, 0); |
288 | info->data = usb_ifnum_to_if(dev->udev, 1); | |
6eddcb4c | 289 | if (!info->control || !info->data || info->control != intf) { |
ad55d71a | 290 | dev_dbg(&intf->dev, |
786e3dfb | 291 | "rndis: master #0/%p slave #1/%p\n", |
ad55d71a OAVR |
292 | info->control, |
293 | info->data); | |
294 | goto bad_desc; | |
295 | } | |
296 | ||
297 | } else if (!info->header || !info->u || (!rndis && !info->ether)) { | |
4324fd49 DB |
298 | dev_dbg(&intf->dev, "missing cdc %s%s%sdescriptor\n", |
299 | info->header ? "" : "header ", | |
300 | info->u ? "" : "union ", | |
301 | info->ether ? "" : "ether "); | |
302 | goto bad_desc; | |
303 | } | |
304 | ||
305 | /* claim data interface and set it up ... with side effects. | |
306 | * network traffic can't flow until an altsetting is enabled. | |
307 | */ | |
1fc4c84d BM |
308 | if (info->data != info->control) { |
309 | status = usb_driver_claim_interface(driver, info->data, dev); | |
310 | if (status < 0) | |
311 | return status; | |
312 | } | |
4324fd49 DB |
313 | status = usbnet_get_endpoints(dev, info->data); |
314 | if (status < 0) { | |
315 | /* ensure immediate exit from usbnet_disconnect */ | |
316 | usb_set_intfdata(info->data, NULL); | |
1fc4c84d BM |
317 | if (info->data != info->control) |
318 | usb_driver_release_interface(driver, info->data); | |
4324fd49 DB |
319 | return status; |
320 | } | |
321 | ||
322 | /* status endpoint: optional for CDC Ethernet, not RNDIS (or ACM) */ | |
1fc4c84d BM |
323 | if (info->data != info->control) |
324 | dev->status = NULL; | |
4324fd49 DB |
325 | if (info->control->cur_altsetting->desc.bNumEndpoints == 1) { |
326 | struct usb_endpoint_descriptor *desc; | |
327 | ||
328 | dev->status = &info->control->cur_altsetting->endpoint [0]; | |
329 | desc = &dev->status->desc; | |
8e95a202 JP |
330 | if (!usb_endpoint_is_int_in(desc) || |
331 | (le16_to_cpu(desc->wMaxPacketSize) | |
332 | < sizeof(struct usb_cdc_notification)) || | |
333 | !desc->bInterval) { | |
4324fd49 DB |
334 | dev_dbg(&intf->dev, "bad notification endpoint\n"); |
335 | dev->status = NULL; | |
336 | } | |
337 | } | |
338 | if (rndis && !dev->status) { | |
339 | dev_dbg(&intf->dev, "missing RNDIS status endpoint\n"); | |
340 | usb_set_intfdata(info->data, NULL); | |
341 | usb_driver_release_interface(driver, info->data); | |
342 | return -ENODEV; | |
343 | } | |
344 | return 0; | |
345 | ||
346 | bad_desc: | |
347 | dev_info(&dev->udev->dev, "bad CDC descriptors\n"); | |
348 | return -ENODEV; | |
349 | } | |
350 | EXPORT_SYMBOL_GPL(usbnet_generic_cdc_bind); | |
351 | ||
352 | void usbnet_cdc_unbind(struct usbnet *dev, struct usb_interface *intf) | |
353 | { | |
354 | struct cdc_state *info = (void *) &dev->data; | |
355 | struct usb_driver *driver = driver_of(intf); | |
356 | ||
1fc4c84d BM |
357 | /* combined interface - nothing to do */ |
358 | if (info->data == info->control) | |
359 | return; | |
360 | ||
4324fd49 DB |
361 | /* disconnect master --> disconnect slave */ |
362 | if (intf == info->control && info->data) { | |
363 | /* ensure immediate exit from usbnet_disconnect */ | |
364 | usb_set_intfdata(info->data, NULL); | |
365 | usb_driver_release_interface(driver, info->data); | |
366 | info->data = NULL; | |
367 | } | |
368 | ||
369 | /* and vice versa (just in case) */ | |
370 | else if (intf == info->data && info->control) { | |
371 | /* ensure immediate exit from usbnet_disconnect */ | |
372 | usb_set_intfdata(info->control, NULL); | |
373 | usb_driver_release_interface(driver, info->control); | |
374 | info->control = NULL; | |
375 | } | |
376 | } | |
377 | EXPORT_SYMBOL_GPL(usbnet_cdc_unbind); | |
378 | ||
8857ec28 | 379 | /* Communications Device Class, Ethernet Control model |
4324fd49 DB |
380 | * |
381 | * Takes two interfaces. The DATA interface is inactive till an altsetting | |
382 | * is selected. Configuration data includes class descriptors. There's | |
383 | * an optional status endpoint on the control interface. | |
384 | * | |
385 | * This should interop with whatever the 2.4 "CDCEther.c" driver | |
386 | * (by Brad Hards) talked with, with more functionality. | |
8857ec28 | 387 | */ |
4324fd49 DB |
388 | |
389 | static void dumpspeed(struct usbnet *dev, __le32 *speeds) | |
390 | { | |
a475f603 JP |
391 | netif_info(dev, timer, dev->net, |
392 | "link speeds: %u kbps up, %u kbps down\n", | |
393 | __le32_to_cpu(speeds[0]) / 1000, | |
394 | __le32_to_cpu(speeds[1]) / 1000); | |
4324fd49 DB |
395 | } |
396 | ||
7a635ea9 | 397 | void usbnet_cdc_status(struct usbnet *dev, struct urb *urb) |
4324fd49 DB |
398 | { |
399 | struct usb_cdc_notification *event; | |
400 | ||
8857ec28 | 401 | if (urb->actual_length < sizeof(*event)) |
4324fd49 DB |
402 | return; |
403 | ||
404 | /* SPEED_CHANGE can get split into two 8-byte packets */ | |
405 | if (test_and_clear_bit(EVENT_STS_SPLIT, &dev->flags)) { | |
406 | dumpspeed(dev, (__le32 *) urb->transfer_buffer); | |
407 | return; | |
408 | } | |
409 | ||
410 | event = urb->transfer_buffer; | |
411 | switch (event->bNotificationType) { | |
412 | case USB_CDC_NOTIFY_NETWORK_CONNECTION: | |
a475f603 JP |
413 | netif_dbg(dev, timer, dev->net, "CDC: carrier %s\n", |
414 | event->wValue ? "on" : "off"); | |
a6bda459 | 415 | usbnet_link_change(dev, !!event->wValue, 0); |
4324fd49 DB |
416 | break; |
417 | case USB_CDC_NOTIFY_SPEED_CHANGE: /* tx/rx rates */ | |
a475f603 JP |
418 | netif_dbg(dev, timer, dev->net, "CDC: speed change (len %d)\n", |
419 | urb->actual_length); | |
8857ec28 | 420 | if (urb->actual_length != (sizeof(*event) + 8)) |
4324fd49 DB |
421 | set_bit(EVENT_STS_SPLIT, &dev->flags); |
422 | else | |
423 | dumpspeed(dev, (__le32 *) &event[1]); | |
424 | break; | |
425 | /* USB_CDC_NOTIFY_RESPONSE_AVAILABLE can happen too (e.g. RNDIS), | |
426 | * but there are no standard formats for the response data. | |
427 | */ | |
428 | default: | |
60b86755 JP |
429 | netdev_err(dev->net, "CDC: unexpected notification %02x!\n", |
430 | event->bNotificationType); | |
4324fd49 DB |
431 | break; |
432 | } | |
433 | } | |
7a635ea9 | 434 | EXPORT_SYMBOL_GPL(usbnet_cdc_status); |
4324fd49 | 435 | |
7a635ea9 | 436 | int usbnet_cdc_bind(struct usbnet *dev, struct usb_interface *intf) |
4324fd49 DB |
437 | { |
438 | int status; | |
439 | struct cdc_state *info = (void *) &dev->data; | |
440 | ||
d632eb1b GKH |
441 | BUILD_BUG_ON((sizeof(((struct usbnet *)0)->data) |
442 | < sizeof(struct cdc_state))); | |
443 | ||
4324fd49 DB |
444 | status = usbnet_generic_cdc_bind(dev, intf); |
445 | if (status < 0) | |
446 | return status; | |
447 | ||
03ad032b | 448 | status = usbnet_get_ethernet_addr(dev, info->ether->iMACAddress); |
4324fd49 DB |
449 | if (status < 0) { |
450 | usb_set_intfdata(info->data, NULL); | |
451 | usb_driver_release_interface(driver_of(intf), info->data); | |
452 | return status; | |
453 | } | |
454 | ||
455 | /* FIXME cdc-ether has some multicast code too, though it complains | |
456 | * in routine cases. info->ether describes the multicast support. | |
457 | * Implement that here, manipulating the cdc filter as needed. | |
458 | */ | |
459 | return 0; | |
460 | } | |
7a635ea9 | 461 | EXPORT_SYMBOL_GPL(usbnet_cdc_bind); |
4324fd49 DB |
462 | |
463 | static const struct driver_info cdc_info = { | |
464 | .description = "CDC Ethernet Device", | |
c261344d | 465 | .flags = FLAG_ETHER | FLAG_POINTTOPOINT, |
7a635ea9 | 466 | .bind = usbnet_cdc_bind, |
4324fd49 | 467 | .unbind = usbnet_cdc_unbind, |
7a635ea9 | 468 | .status = usbnet_cdc_status, |
a5e40708 | 469 | .manage_power = usbnet_manage_power, |
4324fd49 DB |
470 | }; |
471 | ||
b3c914aa | 472 | static const struct driver_info wwan_info = { |
e1e499ee MH |
473 | .description = "Mobile Broadband Network Device", |
474 | .flags = FLAG_WWAN, | |
7a635ea9 | 475 | .bind = usbnet_cdc_bind, |
e1e499ee | 476 | .unbind = usbnet_cdc_unbind, |
7a635ea9 | 477 | .status = usbnet_cdc_status, |
a5e40708 | 478 | .manage_power = usbnet_manage_power, |
e1e499ee MH |
479 | }; |
480 | ||
4324fd49 DB |
481 | /*-------------------------------------------------------------------------*/ |
482 | ||
b3c914aa | 483 | #define HUAWEI_VENDOR_ID 0x12D1 |
4e6304b8 | 484 | #define NOVATEL_VENDOR_ID 0x1410 |
68d8318b | 485 | #define ZTE_VENDOR_ID 0x19D2 |
0370acd4 | 486 | #define DELL_VENDOR_ID 0x413C |
ac718b69 | 487 | #define REALTEK_VENDOR_ID 0x0bda |
43779f8d | 488 | #define SAMSUNG_VENDOR_ID 0x04e8 |
4324fd49 | 489 | |
8857ec28 FP |
490 | static const struct usb_device_id products[] = { |
491 | /* BLACKLIST !! | |
4324fd49 DB |
492 | * |
493 | * First blacklist any products that are egregiously nonconformant | |
494 | * with the CDC Ethernet specs. Minor braindamage we cope with; when | |
495 | * they're not even trying, needing a separate driver is only the first | |
496 | * of the differences to show up. | |
497 | */ | |
498 | ||
499 | #define ZAURUS_MASTER_INTERFACE \ | |
500 | .bInterfaceClass = USB_CLASS_COMM, \ | |
501 | .bInterfaceSubClass = USB_CDC_SUBCLASS_ETHERNET, \ | |
502 | .bInterfaceProtocol = USB_CDC_PROTO_NONE | |
503 | ||
504 | /* SA-1100 based Sharp Zaurus ("collie"), or compatible; | |
505 | * wire-incompatible with true CDC Ethernet implementations. | |
506 | * (And, it seems, needlessly so...) | |
507 | */ | |
508 | { | |
509 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
510 | | USB_DEVICE_ID_MATCH_DEVICE, | |
511 | .idVendor = 0x04DD, | |
512 | .idProduct = 0x8004, | |
513 | ZAURUS_MASTER_INTERFACE, | |
514 | .driver_info = 0, | |
515 | }, | |
516 | ||
517 | /* PXA-25x based Sharp Zaurii. Note that it seems some of these | |
518 | * (later models especially) may have shipped only with firmware | |
519 | * advertising false "CDC MDLM" compatibility ... but we're not | |
520 | * clear which models did that, so for now let's assume the worst. | |
521 | */ | |
522 | { | |
523 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
524 | | USB_DEVICE_ID_MATCH_DEVICE, | |
525 | .idVendor = 0x04DD, | |
526 | .idProduct = 0x8005, /* A-300 */ | |
527 | ZAURUS_MASTER_INTERFACE, | |
528 | .driver_info = 0, | |
529 | }, { | |
530 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
531 | | USB_DEVICE_ID_MATCH_DEVICE, | |
532 | .idVendor = 0x04DD, | |
533 | .idProduct = 0x8006, /* B-500/SL-5600 */ | |
534 | ZAURUS_MASTER_INTERFACE, | |
535 | .driver_info = 0, | |
536 | }, { | |
537 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
8857ec28 | 538 | | USB_DEVICE_ID_MATCH_DEVICE, |
4324fd49 DB |
539 | .idVendor = 0x04DD, |
540 | .idProduct = 0x8007, /* C-700 */ | |
541 | ZAURUS_MASTER_INTERFACE, | |
542 | .driver_info = 0, | |
543 | }, { | |
544 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
545 | | USB_DEVICE_ID_MATCH_DEVICE, | |
546 | .idVendor = 0x04DD, | |
547 | .idProduct = 0x9031, /* C-750 C-760 */ | |
548 | ZAURUS_MASTER_INTERFACE, | |
549 | .driver_info = 0, | |
550 | }, { | |
551 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
552 | | USB_DEVICE_ID_MATCH_DEVICE, | |
553 | .idVendor = 0x04DD, | |
554 | .idProduct = 0x9032, /* SL-6000 */ | |
555 | ZAURUS_MASTER_INTERFACE, | |
556 | .driver_info = 0, | |
557 | }, { | |
558 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
559 | | USB_DEVICE_ID_MATCH_DEVICE, | |
560 | .idVendor = 0x04DD, | |
561 | /* reported with some C860 units */ | |
562 | .idProduct = 0x9050, /* C-860 */ | |
563 | ZAURUS_MASTER_INTERFACE, | |
564 | .driver_info = 0, | |
565 | }, | |
566 | ||
efcaa205 DB |
567 | /* Olympus has some models with a Zaurus-compatible option. |
568 | * R-1000 uses a FreeScale i.MXL cpu (ARMv4T) | |
569 | */ | |
570 | { | |
571 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
572 | | USB_DEVICE_ID_MATCH_DEVICE, | |
573 | .idVendor = 0x07B4, | |
574 | .idProduct = 0x0F02, /* R-1000 */ | |
575 | ZAURUS_MASTER_INTERFACE, | |
576 | .driver_info = 0, | |
577 | }, | |
578 | ||
7a635ea9 AZ |
579 | /* LG Electronics VL600 wants additional headers on every frame */ |
580 | { | |
581 | USB_DEVICE_AND_INTERFACE_INFO(0x1004, 0x61aa, USB_CLASS_COMM, | |
582 | USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), | |
6d74eb94 | 583 | .driver_info = 0, |
7a635ea9 AZ |
584 | }, |
585 | ||
ee932bf9 ST |
586 | /* Logitech Harmony 900 - uses the pseudo-MDLM (BLAN) driver */ |
587 | { | |
588 | USB_DEVICE_AND_INTERFACE_INFO(0x046d, 0xc11f, USB_CLASS_COMM, | |
589 | USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE), | |
590 | .driver_info = 0, | |
591 | }, | |
592 | ||
f8295ec2 DW |
593 | /* Novatel USB551L and MC551 - handled by qmi_wwan */ |
594 | { | |
c39ba1c2 DW |
595 | USB_DEVICE_AND_INTERFACE_INFO(NOVATEL_VENDOR_ID, 0xB001, USB_CLASS_COMM, |
596 | USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), | |
f8295ec2 DW |
597 | .driver_info = 0, |
598 | }, | |
599 | ||
600 | /* Novatel E362 - handled by qmi_wwan */ | |
601 | { | |
c39ba1c2 DW |
602 | USB_DEVICE_AND_INTERFACE_INFO(NOVATEL_VENDOR_ID, 0x9010, USB_CLASS_COMM, |
603 | USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), | |
f8295ec2 DW |
604 | .driver_info = 0, |
605 | }, | |
606 | ||
0370acd4 DW |
607 | /* Dell Wireless 5800 (Novatel E362) - handled by qmi_wwan */ |
608 | { | |
609 | USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, 0x8195, USB_CLASS_COMM, | |
610 | USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), | |
611 | .driver_info = 0, | |
612 | }, | |
613 | ||
614 | /* Dell Wireless 5800 (Novatel E362) - handled by qmi_wwan */ | |
615 | { | |
616 | USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, 0x8196, USB_CLASS_COMM, | |
617 | USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), | |
618 | .driver_info = 0, | |
619 | }, | |
620 | ||
7fdb7846 DW |
621 | /* Dell Wireless 5804 (Novatel E371) - handled by qmi_wwan */ |
622 | { | |
623 | USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, 0x819b, USB_CLASS_COMM, | |
624 | USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), | |
625 | .driver_info = 0, | |
626 | }, | |
627 | ||
45d213f5 DW |
628 | /* AnyDATA ADU960S - handled by qmi_wwan */ |
629 | { | |
630 | USB_DEVICE_AND_INTERFACE_INFO(0x16d5, 0x650a, USB_CLASS_COMM, | |
631 | USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), | |
632 | .driver_info = 0, | |
633 | }, | |
634 | ||
c2020be3 BM |
635 | /* Huawei E1820 - handled by qmi_wwan */ |
636 | { | |
637 | USB_DEVICE_INTERFACE_NUMBER(HUAWEI_VENDOR_ID, 0x14ac, 1), | |
638 | .driver_info = 0, | |
639 | }, | |
640 | ||
ac718b69 | 641 | /* Realtek RTL8152 Based USB 2.0 Ethernet Adapters */ |
ac718b69 | 642 | { |
643 | USB_DEVICE_AND_INTERFACE_INFO(REALTEK_VENDOR_ID, 0x8152, USB_CLASS_COMM, | |
644 | USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), | |
645 | .driver_info = 0, | |
646 | }, | |
c073f666 | 647 | |
648 | /* Realtek RTL8153 Based USB 3.0 Ethernet Adapters */ | |
649 | { | |
650 | USB_DEVICE_AND_INTERFACE_INFO(REALTEK_VENDOR_ID, 0x8153, USB_CLASS_COMM, | |
651 | USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), | |
652 | .driver_info = 0, | |
653 | }, | |
ac718b69 | 654 | |
8857ec28 | 655 | /* WHITELIST!!! |
4324fd49 DB |
656 | * |
657 | * CDC Ether uses two interfaces, not necessarily consecutive. | |
658 | * We match the main interface, ignoring the optional device | |
659 | * class so we could handle devices that aren't exclusively | |
660 | * CDC ether. | |
661 | * | |
662 | * NOTE: this match must come AFTER entries blacklisting devices | |
663 | * because of bugs/quirks in a given product (like Zaurus, above). | |
664 | */ | |
665 | { | |
68d8318b | 666 | /* ZTE (Vodafone) K3805-Z */ |
d82a7f54 FP |
667 | USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1003, USB_CLASS_COMM, |
668 | USB_CDC_SUBCLASS_ETHERNET, | |
669 | USB_CDC_PROTO_NONE), | |
68d8318b ABSS |
670 | .driver_info = (unsigned long)&wwan_info, |
671 | }, { | |
672 | /* ZTE (Vodafone) K3806-Z */ | |
d82a7f54 FP |
673 | USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1015, USB_CLASS_COMM, |
674 | USB_CDC_SUBCLASS_ETHERNET, | |
675 | USB_CDC_PROTO_NONE), | |
68d8318b ABSS |
676 | .driver_info = (unsigned long)&wwan_info, |
677 | }, { | |
678 | /* ZTE (Vodafone) K4510-Z */ | |
d82a7f54 FP |
679 | USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1173, USB_CLASS_COMM, |
680 | USB_CDC_SUBCLASS_ETHERNET, | |
681 | USB_CDC_PROTO_NONE), | |
68d8318b ABSS |
682 | .driver_info = (unsigned long)&wwan_info, |
683 | }, { | |
684 | /* ZTE (Vodafone) K3770-Z */ | |
d82a7f54 FP |
685 | USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1177, USB_CLASS_COMM, |
686 | USB_CDC_SUBCLASS_ETHERNET, | |
687 | USB_CDC_PROTO_NONE), | |
68d8318b ABSS |
688 | .driver_info = (unsigned long)&wwan_info, |
689 | }, { | |
690 | /* ZTE (Vodafone) K3772-Z */ | |
d82a7f54 FP |
691 | USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1181, USB_CLASS_COMM, |
692 | USB_CDC_SUBCLASS_ETHERNET, | |
693 | USB_CDC_PROTO_NONE), | |
68d8318b | 694 | .driver_info = (unsigned long)&wwan_info, |
00928204 FP |
695 | }, { |
696 | /* Telit modules */ | |
697 | USB_VENDOR_AND_INTERFACE_INFO(0x1bc7, USB_CLASS_COMM, | |
698 | USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), | |
699 | .driver_info = (kernel_ulong_t) &wwan_info, | |
4e6304b8 | 700 | }, { |
4324fd49 DB |
701 | USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_ETHERNET, |
702 | USB_CDC_PROTO_NONE), | |
703 | .driver_info = (unsigned long) &cdc_info, | |
cac477e8 | 704 | }, { |
21851264 JS |
705 | USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_MDLM, |
706 | USB_CDC_PROTO_NONE), | |
b3c914aa | 707 | .driver_info = (unsigned long)&wwan_info, |
21851264 | 708 | |
b3c914aa DW |
709 | }, { |
710 | /* Various Huawei modems with a network port like the UMG1831 */ | |
d82a7f54 FP |
711 | USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_COMM, |
712 | USB_CDC_SUBCLASS_ETHERNET, 255), | |
b3c914aa | 713 | .driver_info = (unsigned long)&wwan_info, |
4324fd49 | 714 | }, |
8857ec28 | 715 | { }, /* END */ |
4324fd49 DB |
716 | }; |
717 | MODULE_DEVICE_TABLE(usb, products); | |
718 | ||
719 | static struct usb_driver cdc_driver = { | |
4324fd49 DB |
720 | .name = "cdc_ether", |
721 | .id_table = products, | |
722 | .probe = usbnet_probe, | |
723 | .disconnect = usbnet_disconnect, | |
724 | .suspend = usbnet_suspend, | |
725 | .resume = usbnet_resume, | |
7f515790 | 726 | .reset_resume = usbnet_resume, |
69ee472f | 727 | .supports_autosuspend = 1, |
e1f12eb6 | 728 | .disable_hub_initiated_lpm = 1, |
4324fd49 DB |
729 | }; |
730 | ||
d632eb1b | 731 | module_usb_driver(cdc_driver); |
4324fd49 DB |
732 | |
733 | MODULE_AUTHOR("David Brownell"); | |
734 | MODULE_DESCRIPTION("USB CDC Ethernet devices"); | |
735 | MODULE_LICENSE("GPL"); |