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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 | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
19 | */ | |
20 | ||
21 | // #define DEBUG // error path messages, extra info | |
22 | // #define VERBOSE // more; success messages | |
23 | ||
4324fd49 | 24 | #include <linux/module.h> |
4324fd49 DB |
25 | #include <linux/init.h> |
26 | #include <linux/netdevice.h> | |
27 | #include <linux/etherdevice.h> | |
4324fd49 DB |
28 | #include <linux/ethtool.h> |
29 | #include <linux/workqueue.h> | |
30 | #include <linux/mii.h> | |
31 | #include <linux/usb.h> | |
a8c28f23 | 32 | #include <linux/usb/cdc.h> |
3692e94f | 33 | #include <linux/usb/usbnet.h> |
4324fd49 DB |
34 | |
35 | ||
ad55d71a OAVR |
36 | #if defined(CONFIG_USB_NET_RNDIS_HOST) || defined(CONFIG_USB_NET_RNDIS_HOST_MODULE) |
37 | ||
38 | static int is_rndis(struct usb_interface_descriptor *desc) | |
39 | { | |
8e95a202 JP |
40 | return (desc->bInterfaceClass == USB_CLASS_COMM && |
41 | desc->bInterfaceSubClass == 2 && | |
42 | desc->bInterfaceProtocol == 0xff); | |
ad55d71a OAVR |
43 | } |
44 | ||
45 | static int is_activesync(struct usb_interface_descriptor *desc) | |
46 | { | |
8e95a202 JP |
47 | return (desc->bInterfaceClass == USB_CLASS_MISC && |
48 | desc->bInterfaceSubClass == 1 && | |
49 | desc->bInterfaceProtocol == 1); | |
ad55d71a OAVR |
50 | } |
51 | ||
7e99eedd TB |
52 | static int is_wireless_rndis(struct usb_interface_descriptor *desc) |
53 | { | |
8e95a202 JP |
54 | return (desc->bInterfaceClass == USB_CLASS_WIRELESS_CONTROLLER && |
55 | desc->bInterfaceSubClass == 1 && | |
56 | desc->bInterfaceProtocol == 3); | |
7e99eedd TB |
57 | } |
58 | ||
ad55d71a OAVR |
59 | #else |
60 | ||
61 | #define is_rndis(desc) 0 | |
62 | #define is_activesync(desc) 0 | |
7e99eedd | 63 | #define is_wireless_rndis(desc) 0 |
ad55d71a OAVR |
64 | |
65 | #endif | |
66 | ||
21851264 JS |
67 | static const u8 mbm_guid[16] = { |
68 | 0xa3, 0x17, 0xa8, 0x8b, 0x04, 0x5e, 0x4f, 0x01, | |
69 | 0xa6, 0x07, 0xc0, 0xff, 0xcb, 0x7e, 0x39, 0x2a, | |
70 | }; | |
71 | ||
4324fd49 DB |
72 | /* |
73 | * probes control interface, claims data interface, collects the bulk | |
74 | * endpoints, activates data interface (if needed), maybe sets MTU. | |
75 | * all pure cdc, except for certain firmware workarounds, and knowing | |
76 | * that rndis uses one different rule. | |
77 | */ | |
78 | int usbnet_generic_cdc_bind(struct usbnet *dev, struct usb_interface *intf) | |
79 | { | |
80 | u8 *buf = intf->cur_altsetting->extra; | |
81 | int len = intf->cur_altsetting->extralen; | |
82 | struct usb_interface_descriptor *d; | |
83 | struct cdc_state *info = (void *) &dev->data; | |
84 | int status; | |
85 | int rndis; | |
6eddcb4c | 86 | bool android_rndis_quirk = false; |
4324fd49 | 87 | struct usb_driver *driver = driver_of(intf); |
21851264 JS |
88 | struct usb_cdc_mdlm_desc *desc = NULL; |
89 | struct usb_cdc_mdlm_detail_desc *detail = NULL; | |
4324fd49 DB |
90 | |
91 | if (sizeof dev->data < sizeof *info) | |
92 | return -EDOM; | |
93 | ||
94 | /* expect strict spec conformance for the descriptors, but | |
95 | * cope with firmware which stores them in the wrong place | |
96 | */ | |
97 | if (len == 0 && dev->udev->actconfig->extralen) { | |
98 | /* Motorola SB4100 (and others: Brad Hards says it's | |
99 | * from a Broadcom design) put CDC descriptors here | |
100 | */ | |
101 | buf = dev->udev->actconfig->extra; | |
102 | len = dev->udev->actconfig->extralen; | |
f5260f02 | 103 | dev_dbg(&intf->dev, "CDC descriptors on config\n"); |
4324fd49 DB |
104 | } |
105 | ||
4149b72e DB |
106 | /* Maybe CDC descriptors are after the endpoint? This bug has |
107 | * been seen on some 2Wire Inc RNDIS-ish products. | |
108 | */ | |
109 | if (len == 0) { | |
110 | struct usb_host_endpoint *hep; | |
111 | ||
112 | hep = intf->cur_altsetting->endpoint; | |
113 | if (hep) { | |
114 | buf = hep->extra; | |
115 | len = hep->extralen; | |
116 | } | |
117 | if (len) | |
118 | dev_dbg(&intf->dev, | |
119 | "CDC descriptors on endpoint\n"); | |
120 | } | |
121 | ||
4324fd49 DB |
122 | /* this assumes that if there's a non-RNDIS vendor variant |
123 | * of cdc-acm, it'll fail RNDIS requests cleanly. | |
124 | */ | |
8e95a202 JP |
125 | rndis = (is_rndis(&intf->cur_altsetting->desc) || |
126 | is_activesync(&intf->cur_altsetting->desc) || | |
127 | is_wireless_rndis(&intf->cur_altsetting->desc)); | |
4324fd49 DB |
128 | |
129 | memset(info, 0, sizeof *info); | |
130 | info->control = intf; | |
131 | while (len > 3) { | |
132 | if (buf [1] != USB_DT_CS_INTERFACE) | |
133 | goto next_desc; | |
134 | ||
135 | /* use bDescriptorSubType to identify the CDC descriptors. | |
136 | * We expect devices with CDC header and union descriptors. | |
137 | * For CDC Ethernet we need the ethernet descriptor. | |
138 | * For RNDIS, ignore two (pointless) CDC modem descriptors | |
139 | * in favor of a complicated OID-based RPC scheme doing what | |
140 | * CDC Ethernet achieves with a simple descriptor. | |
141 | */ | |
142 | switch (buf [2]) { | |
143 | case USB_CDC_HEADER_TYPE: | |
144 | if (info->header) { | |
145 | dev_dbg(&intf->dev, "extra CDC header\n"); | |
146 | goto bad_desc; | |
147 | } | |
148 | info->header = (void *) buf; | |
149 | if (info->header->bLength != sizeof *info->header) { | |
150 | dev_dbg(&intf->dev, "CDC header len %u\n", | |
151 | info->header->bLength); | |
152 | goto bad_desc; | |
153 | } | |
154 | break; | |
ad55d71a OAVR |
155 | case USB_CDC_ACM_TYPE: |
156 | /* paranoia: disambiguate a "real" vendor-specific | |
157 | * modem interface from an RNDIS non-modem. | |
158 | */ | |
159 | if (rndis) { | |
afaee82c | 160 | struct usb_cdc_acm_descriptor *acm; |
ad55d71a | 161 | |
afaee82c DB |
162 | acm = (void *) buf; |
163 | if (acm->bmCapabilities) { | |
ad55d71a OAVR |
164 | dev_dbg(&intf->dev, |
165 | "ACM capabilities %02x, " | |
166 | "not really RNDIS?\n", | |
afaee82c | 167 | acm->bmCapabilities); |
ad55d71a OAVR |
168 | goto bad_desc; |
169 | } | |
170 | } | |
171 | break; | |
4324fd49 DB |
172 | case USB_CDC_UNION_TYPE: |
173 | if (info->u) { | |
174 | dev_dbg(&intf->dev, "extra CDC union\n"); | |
175 | goto bad_desc; | |
176 | } | |
177 | info->u = (void *) buf; | |
178 | if (info->u->bLength != sizeof *info->u) { | |
179 | dev_dbg(&intf->dev, "CDC union len %u\n", | |
180 | info->u->bLength); | |
181 | goto bad_desc; | |
182 | } | |
183 | ||
184 | /* we need a master/control interface (what we're | |
185 | * probed with) and a slave/data interface; union | |
186 | * descriptors sort this all out. | |
187 | */ | |
188 | info->control = usb_ifnum_to_if(dev->udev, | |
189 | info->u->bMasterInterface0); | |
190 | info->data = usb_ifnum_to_if(dev->udev, | |
191 | info->u->bSlaveInterface0); | |
192 | if (!info->control || !info->data) { | |
193 | dev_dbg(&intf->dev, | |
194 | "master #%u/%p slave #%u/%p\n", | |
195 | info->u->bMasterInterface0, | |
196 | info->control, | |
197 | info->u->bSlaveInterface0, | |
198 | info->data); | |
6eddcb4c BM |
199 | /* fall back to hard-wiring for RNDIS */ |
200 | if (rndis) { | |
201 | android_rndis_quirk = true; | |
202 | goto next_desc; | |
203 | } | |
4324fd49 DB |
204 | goto bad_desc; |
205 | } | |
206 | if (info->control != intf) { | |
207 | dev_dbg(&intf->dev, "bogus CDC Union\n"); | |
208 | /* Ambit USB Cable Modem (and maybe others) | |
209 | * interchanges master and slave interface. | |
210 | */ | |
211 | if (info->data == intf) { | |
212 | info->data = info->control; | |
213 | info->control = intf; | |
214 | } else | |
215 | goto bad_desc; | |
216 | } | |
217 | ||
218 | /* a data interface altsetting does the real i/o */ | |
219 | d = &info->data->cur_altsetting->desc; | |
220 | if (d->bInterfaceClass != USB_CLASS_CDC_DATA) { | |
221 | dev_dbg(&intf->dev, "slave class %u\n", | |
222 | d->bInterfaceClass); | |
223 | goto bad_desc; | |
224 | } | |
225 | break; | |
226 | case USB_CDC_ETHERNET_TYPE: | |
227 | if (info->ether) { | |
228 | dev_dbg(&intf->dev, "extra CDC ether\n"); | |
229 | goto bad_desc; | |
230 | } | |
231 | info->ether = (void *) buf; | |
232 | if (info->ether->bLength != sizeof *info->ether) { | |
233 | dev_dbg(&intf->dev, "CDC ether len %u\n", | |
234 | info->ether->bLength); | |
235 | goto bad_desc; | |
236 | } | |
237 | dev->hard_mtu = le16_to_cpu( | |
238 | info->ether->wMaxSegmentSize); | |
239 | /* because of Zaurus, we may be ignoring the host | |
240 | * side link address we were given. | |
241 | */ | |
242 | break; | |
21851264 JS |
243 | case USB_CDC_MDLM_TYPE: |
244 | if (desc) { | |
245 | dev_dbg(&intf->dev, "extra MDLM descriptor\n"); | |
246 | goto bad_desc; | |
247 | } | |
248 | ||
249 | desc = (void *)buf; | |
250 | ||
251 | if (desc->bLength != sizeof(*desc)) | |
252 | goto bad_desc; | |
253 | ||
254 | if (memcmp(&desc->bGUID, mbm_guid, 16)) | |
255 | goto bad_desc; | |
256 | break; | |
257 | case USB_CDC_MDLM_DETAIL_TYPE: | |
258 | if (detail) { | |
259 | dev_dbg(&intf->dev, "extra MDLM detail descriptor\n"); | |
260 | goto bad_desc; | |
261 | } | |
262 | ||
263 | detail = (void *)buf; | |
264 | ||
265 | if (detail->bGuidDescriptorType == 0) { | |
266 | if (detail->bLength < (sizeof(*detail) + 1)) | |
267 | goto bad_desc; | |
268 | } else | |
269 | goto bad_desc; | |
270 | break; | |
4324fd49 DB |
271 | } |
272 | next_desc: | |
273 | len -= buf [0]; /* bLength */ | |
274 | buf += buf [0]; | |
275 | } | |
276 | ||
786e3dfb BD |
277 | /* Microsoft ActiveSync based and some regular RNDIS devices lack the |
278 | * CDC descriptors, so we'll hard-wire the interfaces and not check | |
279 | * for descriptors. | |
6eddcb4c BM |
280 | * |
281 | * Some Android RNDIS devices have a CDC Union descriptor pointing | |
282 | * to non-existing interfaces. Ignore that and attempt the same | |
283 | * hard-wired 0 and 1 interfaces. | |
ad55d71a | 284 | */ |
6eddcb4c | 285 | if (rndis && (!info->u || android_rndis_quirk)) { |
ad55d71a OAVR |
286 | info->control = usb_ifnum_to_if(dev->udev, 0); |
287 | info->data = usb_ifnum_to_if(dev->udev, 1); | |
6eddcb4c | 288 | if (!info->control || !info->data || info->control != intf) { |
ad55d71a | 289 | dev_dbg(&intf->dev, |
786e3dfb | 290 | "rndis: master #0/%p slave #1/%p\n", |
ad55d71a OAVR |
291 | info->control, |
292 | info->data); | |
293 | goto bad_desc; | |
294 | } | |
295 | ||
296 | } else if (!info->header || !info->u || (!rndis && !info->ether)) { | |
4324fd49 DB |
297 | dev_dbg(&intf->dev, "missing cdc %s%s%sdescriptor\n", |
298 | info->header ? "" : "header ", | |
299 | info->u ? "" : "union ", | |
300 | info->ether ? "" : "ether "); | |
301 | goto bad_desc; | |
302 | } | |
303 | ||
304 | /* claim data interface and set it up ... with side effects. | |
305 | * network traffic can't flow until an altsetting is enabled. | |
306 | */ | |
307 | status = usb_driver_claim_interface(driver, info->data, dev); | |
308 | if (status < 0) | |
309 | return status; | |
310 | status = usbnet_get_endpoints(dev, info->data); | |
311 | if (status < 0) { | |
312 | /* ensure immediate exit from usbnet_disconnect */ | |
313 | usb_set_intfdata(info->data, NULL); | |
314 | usb_driver_release_interface(driver, info->data); | |
315 | return status; | |
316 | } | |
317 | ||
318 | /* status endpoint: optional for CDC Ethernet, not RNDIS (or ACM) */ | |
319 | dev->status = NULL; | |
320 | if (info->control->cur_altsetting->desc.bNumEndpoints == 1) { | |
321 | struct usb_endpoint_descriptor *desc; | |
322 | ||
323 | dev->status = &info->control->cur_altsetting->endpoint [0]; | |
324 | desc = &dev->status->desc; | |
8e95a202 JP |
325 | if (!usb_endpoint_is_int_in(desc) || |
326 | (le16_to_cpu(desc->wMaxPacketSize) | |
327 | < sizeof(struct usb_cdc_notification)) || | |
328 | !desc->bInterval) { | |
4324fd49 DB |
329 | dev_dbg(&intf->dev, "bad notification endpoint\n"); |
330 | dev->status = NULL; | |
331 | } | |
332 | } | |
333 | if (rndis && !dev->status) { | |
334 | dev_dbg(&intf->dev, "missing RNDIS status endpoint\n"); | |
335 | usb_set_intfdata(info->data, NULL); | |
336 | usb_driver_release_interface(driver, info->data); | |
337 | return -ENODEV; | |
338 | } | |
339 | return 0; | |
340 | ||
341 | bad_desc: | |
342 | dev_info(&dev->udev->dev, "bad CDC descriptors\n"); | |
343 | return -ENODEV; | |
344 | } | |
345 | EXPORT_SYMBOL_GPL(usbnet_generic_cdc_bind); | |
346 | ||
347 | void usbnet_cdc_unbind(struct usbnet *dev, struct usb_interface *intf) | |
348 | { | |
349 | struct cdc_state *info = (void *) &dev->data; | |
350 | struct usb_driver *driver = driver_of(intf); | |
351 | ||
352 | /* disconnect master --> disconnect slave */ | |
353 | if (intf == info->control && info->data) { | |
354 | /* ensure immediate exit from usbnet_disconnect */ | |
355 | usb_set_intfdata(info->data, NULL); | |
356 | usb_driver_release_interface(driver, info->data); | |
357 | info->data = NULL; | |
358 | } | |
359 | ||
360 | /* and vice versa (just in case) */ | |
361 | else if (intf == info->data && info->control) { | |
362 | /* ensure immediate exit from usbnet_disconnect */ | |
363 | usb_set_intfdata(info->control, NULL); | |
364 | usb_driver_release_interface(driver, info->control); | |
365 | info->control = NULL; | |
366 | } | |
367 | } | |
368 | EXPORT_SYMBOL_GPL(usbnet_cdc_unbind); | |
369 | ||
4324fd49 DB |
370 | /*------------------------------------------------------------------------- |
371 | * | |
372 | * Communications Device Class, Ethernet Control model | |
373 | * | |
374 | * Takes two interfaces. The DATA interface is inactive till an altsetting | |
375 | * is selected. Configuration data includes class descriptors. There's | |
376 | * an optional status endpoint on the control interface. | |
377 | * | |
378 | * This should interop with whatever the 2.4 "CDCEther.c" driver | |
379 | * (by Brad Hards) talked with, with more functionality. | |
380 | * | |
381 | *-------------------------------------------------------------------------*/ | |
382 | ||
383 | static void dumpspeed(struct usbnet *dev, __le32 *speeds) | |
384 | { | |
a475f603 JP |
385 | netif_info(dev, timer, dev->net, |
386 | "link speeds: %u kbps up, %u kbps down\n", | |
387 | __le32_to_cpu(speeds[0]) / 1000, | |
388 | __le32_to_cpu(speeds[1]) / 1000); | |
4324fd49 DB |
389 | } |
390 | ||
7a635ea9 | 391 | void usbnet_cdc_status(struct usbnet *dev, struct urb *urb) |
4324fd49 DB |
392 | { |
393 | struct usb_cdc_notification *event; | |
394 | ||
395 | if (urb->actual_length < sizeof *event) | |
396 | return; | |
397 | ||
398 | /* SPEED_CHANGE can get split into two 8-byte packets */ | |
399 | if (test_and_clear_bit(EVENT_STS_SPLIT, &dev->flags)) { | |
400 | dumpspeed(dev, (__le32 *) urb->transfer_buffer); | |
401 | return; | |
402 | } | |
403 | ||
404 | event = urb->transfer_buffer; | |
405 | switch (event->bNotificationType) { | |
406 | case USB_CDC_NOTIFY_NETWORK_CONNECTION: | |
a475f603 JP |
407 | netif_dbg(dev, timer, dev->net, "CDC: carrier %s\n", |
408 | event->wValue ? "on" : "off"); | |
4324fd49 DB |
409 | if (event->wValue) |
410 | netif_carrier_on(dev->net); | |
411 | else | |
412 | netif_carrier_off(dev->net); | |
413 | break; | |
414 | case USB_CDC_NOTIFY_SPEED_CHANGE: /* tx/rx rates */ | |
a475f603 JP |
415 | netif_dbg(dev, timer, dev->net, "CDC: speed change (len %d)\n", |
416 | urb->actual_length); | |
4324fd49 DB |
417 | if (urb->actual_length != (sizeof *event + 8)) |
418 | set_bit(EVENT_STS_SPLIT, &dev->flags); | |
419 | else | |
420 | dumpspeed(dev, (__le32 *) &event[1]); | |
421 | break; | |
422 | /* USB_CDC_NOTIFY_RESPONSE_AVAILABLE can happen too (e.g. RNDIS), | |
423 | * but there are no standard formats for the response data. | |
424 | */ | |
425 | default: | |
60b86755 JP |
426 | netdev_err(dev->net, "CDC: unexpected notification %02x!\n", |
427 | event->bNotificationType); | |
4324fd49 DB |
428 | break; |
429 | } | |
430 | } | |
7a635ea9 | 431 | EXPORT_SYMBOL_GPL(usbnet_cdc_status); |
4324fd49 | 432 | |
7a635ea9 | 433 | int usbnet_cdc_bind(struct usbnet *dev, struct usb_interface *intf) |
4324fd49 DB |
434 | { |
435 | int status; | |
436 | struct cdc_state *info = (void *) &dev->data; | |
437 | ||
d632eb1b GKH |
438 | BUILD_BUG_ON((sizeof(((struct usbnet *)0)->data) |
439 | < sizeof(struct cdc_state))); | |
440 | ||
4324fd49 DB |
441 | status = usbnet_generic_cdc_bind(dev, intf); |
442 | if (status < 0) | |
443 | return status; | |
444 | ||
03ad032b | 445 | status = usbnet_get_ethernet_addr(dev, info->ether->iMACAddress); |
4324fd49 DB |
446 | if (status < 0) { |
447 | usb_set_intfdata(info->data, NULL); | |
448 | usb_driver_release_interface(driver_of(intf), info->data); | |
449 | return status; | |
450 | } | |
451 | ||
452 | /* FIXME cdc-ether has some multicast code too, though it complains | |
453 | * in routine cases. info->ether describes the multicast support. | |
454 | * Implement that here, manipulating the cdc filter as needed. | |
455 | */ | |
456 | return 0; | |
457 | } | |
7a635ea9 | 458 | EXPORT_SYMBOL_GPL(usbnet_cdc_bind); |
4324fd49 | 459 | |
69ee472f ON |
460 | static int cdc_manage_power(struct usbnet *dev, int on) |
461 | { | |
462 | dev->intf->needs_remote_wakeup = on; | |
463 | return 0; | |
464 | } | |
465 | ||
4324fd49 DB |
466 | static const struct driver_info cdc_info = { |
467 | .description = "CDC Ethernet Device", | |
c261344d | 468 | .flags = FLAG_ETHER | FLAG_POINTTOPOINT, |
4324fd49 | 469 | // .check_connect = cdc_check_connect, |
7a635ea9 | 470 | .bind = usbnet_cdc_bind, |
4324fd49 | 471 | .unbind = usbnet_cdc_unbind, |
7a635ea9 | 472 | .status = usbnet_cdc_status, |
69ee472f | 473 | .manage_power = cdc_manage_power, |
4324fd49 DB |
474 | }; |
475 | ||
b3c914aa | 476 | static const struct driver_info wwan_info = { |
e1e499ee MH |
477 | .description = "Mobile Broadband Network Device", |
478 | .flags = FLAG_WWAN, | |
7a635ea9 | 479 | .bind = usbnet_cdc_bind, |
e1e499ee | 480 | .unbind = usbnet_cdc_unbind, |
7a635ea9 | 481 | .status = usbnet_cdc_status, |
55964d72 | 482 | .manage_power = cdc_manage_power, |
e1e499ee MH |
483 | }; |
484 | ||
4324fd49 DB |
485 | /*-------------------------------------------------------------------------*/ |
486 | ||
b3c914aa | 487 | #define HUAWEI_VENDOR_ID 0x12D1 |
4e6304b8 | 488 | #define NOVATEL_VENDOR_ID 0x1410 |
68d8318b | 489 | #define ZTE_VENDOR_ID 0x19D2 |
4324fd49 DB |
490 | |
491 | static const struct usb_device_id products [] = { | |
492 | /* | |
493 | * BLACKLIST !! | |
494 | * | |
495 | * First blacklist any products that are egregiously nonconformant | |
496 | * with the CDC Ethernet specs. Minor braindamage we cope with; when | |
497 | * they're not even trying, needing a separate driver is only the first | |
498 | * of the differences to show up. | |
499 | */ | |
500 | ||
501 | #define ZAURUS_MASTER_INTERFACE \ | |
502 | .bInterfaceClass = USB_CLASS_COMM, \ | |
503 | .bInterfaceSubClass = USB_CDC_SUBCLASS_ETHERNET, \ | |
504 | .bInterfaceProtocol = USB_CDC_PROTO_NONE | |
505 | ||
506 | /* SA-1100 based Sharp Zaurus ("collie"), or compatible; | |
507 | * wire-incompatible with true CDC Ethernet implementations. | |
508 | * (And, it seems, needlessly so...) | |
509 | */ | |
510 | { | |
511 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
512 | | USB_DEVICE_ID_MATCH_DEVICE, | |
513 | .idVendor = 0x04DD, | |
514 | .idProduct = 0x8004, | |
515 | ZAURUS_MASTER_INTERFACE, | |
516 | .driver_info = 0, | |
517 | }, | |
518 | ||
519 | /* PXA-25x based Sharp Zaurii. Note that it seems some of these | |
520 | * (later models especially) may have shipped only with firmware | |
521 | * advertising false "CDC MDLM" compatibility ... but we're not | |
522 | * clear which models did that, so for now let's assume the worst. | |
523 | */ | |
524 | { | |
525 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
526 | | USB_DEVICE_ID_MATCH_DEVICE, | |
527 | .idVendor = 0x04DD, | |
528 | .idProduct = 0x8005, /* A-300 */ | |
529 | ZAURUS_MASTER_INTERFACE, | |
530 | .driver_info = 0, | |
531 | }, { | |
532 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
533 | | USB_DEVICE_ID_MATCH_DEVICE, | |
534 | .idVendor = 0x04DD, | |
535 | .idProduct = 0x8006, /* B-500/SL-5600 */ | |
536 | ZAURUS_MASTER_INTERFACE, | |
537 | .driver_info = 0, | |
538 | }, { | |
539 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
540 | | USB_DEVICE_ID_MATCH_DEVICE, | |
541 | .idVendor = 0x04DD, | |
542 | .idProduct = 0x8007, /* C-700 */ | |
543 | ZAURUS_MASTER_INTERFACE, | |
544 | .driver_info = 0, | |
545 | }, { | |
546 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
547 | | USB_DEVICE_ID_MATCH_DEVICE, | |
548 | .idVendor = 0x04DD, | |
549 | .idProduct = 0x9031, /* C-750 C-760 */ | |
550 | ZAURUS_MASTER_INTERFACE, | |
551 | .driver_info = 0, | |
552 | }, { | |
553 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
554 | | USB_DEVICE_ID_MATCH_DEVICE, | |
555 | .idVendor = 0x04DD, | |
556 | .idProduct = 0x9032, /* SL-6000 */ | |
557 | ZAURUS_MASTER_INTERFACE, | |
558 | .driver_info = 0, | |
559 | }, { | |
560 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
561 | | USB_DEVICE_ID_MATCH_DEVICE, | |
562 | .idVendor = 0x04DD, | |
563 | /* reported with some C860 units */ | |
564 | .idProduct = 0x9050, /* C-860 */ | |
565 | ZAURUS_MASTER_INTERFACE, | |
566 | .driver_info = 0, | |
567 | }, | |
568 | ||
efcaa205 DB |
569 | /* Olympus has some models with a Zaurus-compatible option. |
570 | * R-1000 uses a FreeScale i.MXL cpu (ARMv4T) | |
571 | */ | |
572 | { | |
573 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
574 | | USB_DEVICE_ID_MATCH_DEVICE, | |
575 | .idVendor = 0x07B4, | |
576 | .idProduct = 0x0F02, /* R-1000 */ | |
577 | ZAURUS_MASTER_INTERFACE, | |
578 | .driver_info = 0, | |
579 | }, | |
580 | ||
7a635ea9 AZ |
581 | /* LG Electronics VL600 wants additional headers on every frame */ |
582 | { | |
583 | USB_DEVICE_AND_INTERFACE_INFO(0x1004, 0x61aa, USB_CLASS_COMM, | |
584 | USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), | |
6d74eb94 | 585 | .driver_info = 0, |
7a635ea9 AZ |
586 | }, |
587 | ||
ee932bf9 ST |
588 | /* Logitech Harmony 900 - uses the pseudo-MDLM (BLAN) driver */ |
589 | { | |
590 | USB_DEVICE_AND_INTERFACE_INFO(0x046d, 0xc11f, USB_CLASS_COMM, | |
591 | USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE), | |
592 | .driver_info = 0, | |
593 | }, | |
594 | ||
f8295ec2 DW |
595 | /* Novatel USB551L and MC551 - handled by qmi_wwan */ |
596 | { | |
597 | .match_flags = USB_DEVICE_ID_MATCH_VENDOR | |
598 | | USB_DEVICE_ID_MATCH_PRODUCT | |
599 | | USB_DEVICE_ID_MATCH_INT_INFO, | |
600 | .idVendor = NOVATEL_VENDOR_ID, | |
601 | .idProduct = 0xB001, | |
602 | .bInterfaceClass = USB_CLASS_COMM, | |
603 | .bInterfaceSubClass = USB_CDC_SUBCLASS_ETHERNET, | |
604 | .bInterfaceProtocol = USB_CDC_PROTO_NONE, | |
605 | .driver_info = 0, | |
606 | }, | |
607 | ||
608 | /* Novatel E362 - handled by qmi_wwan */ | |
609 | { | |
610 | .match_flags = USB_DEVICE_ID_MATCH_VENDOR | |
611 | | USB_DEVICE_ID_MATCH_PRODUCT | |
612 | | USB_DEVICE_ID_MATCH_INT_INFO, | |
613 | .idVendor = NOVATEL_VENDOR_ID, | |
614 | .idProduct = 0x9010, | |
615 | .bInterfaceClass = USB_CLASS_COMM, | |
616 | .bInterfaceSubClass = USB_CDC_SUBCLASS_ETHERNET, | |
617 | .bInterfaceProtocol = USB_CDC_PROTO_NONE, | |
618 | .driver_info = 0, | |
619 | }, | |
620 | ||
4324fd49 DB |
621 | /* |
622 | * WHITELIST!!! | |
623 | * | |
624 | * CDC Ether uses two interfaces, not necessarily consecutive. | |
625 | * We match the main interface, ignoring the optional device | |
626 | * class so we could handle devices that aren't exclusively | |
627 | * CDC ether. | |
628 | * | |
629 | * NOTE: this match must come AFTER entries blacklisting devices | |
630 | * because of bugs/quirks in a given product (like Zaurus, above). | |
631 | */ | |
632 | { | |
68d8318b ABSS |
633 | /* ZTE (Vodafone) K3805-Z */ |
634 | .match_flags = USB_DEVICE_ID_MATCH_VENDOR | |
635 | | USB_DEVICE_ID_MATCH_PRODUCT | |
636 | | USB_DEVICE_ID_MATCH_INT_INFO, | |
637 | .idVendor = ZTE_VENDOR_ID, | |
638 | .idProduct = 0x1003, | |
639 | .bInterfaceClass = USB_CLASS_COMM, | |
640 | .bInterfaceSubClass = USB_CDC_SUBCLASS_ETHERNET, | |
641 | .bInterfaceProtocol = USB_CDC_PROTO_NONE, | |
642 | .driver_info = (unsigned long)&wwan_info, | |
643 | }, { | |
644 | /* ZTE (Vodafone) K3806-Z */ | |
645 | .match_flags = USB_DEVICE_ID_MATCH_VENDOR | |
646 | | USB_DEVICE_ID_MATCH_PRODUCT | |
647 | | USB_DEVICE_ID_MATCH_INT_INFO, | |
648 | .idVendor = ZTE_VENDOR_ID, | |
649 | .idProduct = 0x1015, | |
650 | .bInterfaceClass = USB_CLASS_COMM, | |
651 | .bInterfaceSubClass = USB_CDC_SUBCLASS_ETHERNET, | |
652 | .bInterfaceProtocol = USB_CDC_PROTO_NONE, | |
653 | .driver_info = (unsigned long)&wwan_info, | |
654 | }, { | |
655 | /* ZTE (Vodafone) K4510-Z */ | |
656 | .match_flags = USB_DEVICE_ID_MATCH_VENDOR | |
657 | | USB_DEVICE_ID_MATCH_PRODUCT | |
658 | | USB_DEVICE_ID_MATCH_INT_INFO, | |
659 | .idVendor = ZTE_VENDOR_ID, | |
660 | .idProduct = 0x1173, | |
661 | .bInterfaceClass = USB_CLASS_COMM, | |
662 | .bInterfaceSubClass = USB_CDC_SUBCLASS_ETHERNET, | |
663 | .bInterfaceProtocol = USB_CDC_PROTO_NONE, | |
664 | .driver_info = (unsigned long)&wwan_info, | |
665 | }, { | |
666 | /* ZTE (Vodafone) K3770-Z */ | |
667 | .match_flags = USB_DEVICE_ID_MATCH_VENDOR | |
668 | | USB_DEVICE_ID_MATCH_PRODUCT | |
669 | | USB_DEVICE_ID_MATCH_INT_INFO, | |
670 | .idVendor = ZTE_VENDOR_ID, | |
671 | .idProduct = 0x1177, | |
672 | .bInterfaceClass = USB_CLASS_COMM, | |
673 | .bInterfaceSubClass = USB_CDC_SUBCLASS_ETHERNET, | |
674 | .bInterfaceProtocol = USB_CDC_PROTO_NONE, | |
675 | .driver_info = (unsigned long)&wwan_info, | |
676 | }, { | |
677 | /* ZTE (Vodafone) K3772-Z */ | |
678 | .match_flags = USB_DEVICE_ID_MATCH_VENDOR | |
679 | | USB_DEVICE_ID_MATCH_PRODUCT | |
680 | | USB_DEVICE_ID_MATCH_INT_INFO, | |
681 | .idVendor = ZTE_VENDOR_ID, | |
682 | .idProduct = 0x1181, | |
683 | .bInterfaceClass = USB_CLASS_COMM, | |
684 | .bInterfaceSubClass = USB_CDC_SUBCLASS_ETHERNET, | |
685 | .bInterfaceProtocol = USB_CDC_PROTO_NONE, | |
686 | .driver_info = (unsigned long)&wwan_info, | |
4e6304b8 | 687 | }, { |
4324fd49 DB |
688 | USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_ETHERNET, |
689 | USB_CDC_PROTO_NONE), | |
690 | .driver_info = (unsigned long) &cdc_info, | |
cac477e8 | 691 | }, { |
21851264 JS |
692 | USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_MDLM, |
693 | USB_CDC_PROTO_NONE), | |
b3c914aa | 694 | .driver_info = (unsigned long)&wwan_info, |
21851264 | 695 | |
b3c914aa DW |
696 | }, { |
697 | /* Various Huawei modems with a network port like the UMG1831 */ | |
698 | .match_flags = USB_DEVICE_ID_MATCH_VENDOR | |
699 | | USB_DEVICE_ID_MATCH_INT_INFO, | |
700 | .idVendor = HUAWEI_VENDOR_ID, | |
701 | .bInterfaceClass = USB_CLASS_COMM, | |
702 | .bInterfaceSubClass = USB_CDC_SUBCLASS_ETHERNET, | |
703 | .bInterfaceProtocol = 255, | |
704 | .driver_info = (unsigned long)&wwan_info, | |
4324fd49 DB |
705 | }, |
706 | { }, // END | |
707 | }; | |
708 | MODULE_DEVICE_TABLE(usb, products); | |
709 | ||
710 | static struct usb_driver cdc_driver = { | |
4324fd49 DB |
711 | .name = "cdc_ether", |
712 | .id_table = products, | |
713 | .probe = usbnet_probe, | |
714 | .disconnect = usbnet_disconnect, | |
715 | .suspend = usbnet_suspend, | |
716 | .resume = usbnet_resume, | |
7f515790 | 717 | .reset_resume = usbnet_resume, |
69ee472f | 718 | .supports_autosuspend = 1, |
e1f12eb6 | 719 | .disable_hub_initiated_lpm = 1, |
4324fd49 DB |
720 | }; |
721 | ||
d632eb1b | 722 | module_usb_driver(cdc_driver); |
4324fd49 DB |
723 | |
724 | MODULE_AUTHOR("David Brownell"); | |
725 | MODULE_DESCRIPTION("USB CDC Ethernet devices"); | |
726 | MODULE_LICENSE("GPL"); |