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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; | |
86 | struct usb_driver *driver = driver_of(intf); | |
21851264 JS |
87 | struct usb_cdc_mdlm_desc *desc = NULL; |
88 | struct usb_cdc_mdlm_detail_desc *detail = NULL; | |
4324fd49 DB |
89 | |
90 | if (sizeof dev->data < sizeof *info) | |
91 | return -EDOM; | |
92 | ||
93 | /* expect strict spec conformance for the descriptors, but | |
94 | * cope with firmware which stores them in the wrong place | |
95 | */ | |
96 | if (len == 0 && dev->udev->actconfig->extralen) { | |
97 | /* Motorola SB4100 (and others: Brad Hards says it's | |
98 | * from a Broadcom design) put CDC descriptors here | |
99 | */ | |
100 | buf = dev->udev->actconfig->extra; | |
101 | len = dev->udev->actconfig->extralen; | |
102 | if (len) | |
103 | dev_dbg(&intf->dev, | |
104 | "CDC descriptors on config\n"); | |
105 | } | |
106 | ||
4149b72e DB |
107 | /* Maybe CDC descriptors are after the endpoint? This bug has |
108 | * been seen on some 2Wire Inc RNDIS-ish products. | |
109 | */ | |
110 | if (len == 0) { | |
111 | struct usb_host_endpoint *hep; | |
112 | ||
113 | hep = intf->cur_altsetting->endpoint; | |
114 | if (hep) { | |
115 | buf = hep->extra; | |
116 | len = hep->extralen; | |
117 | } | |
118 | if (len) | |
119 | dev_dbg(&intf->dev, | |
120 | "CDC descriptors on endpoint\n"); | |
121 | } | |
122 | ||
4324fd49 DB |
123 | /* this assumes that if there's a non-RNDIS vendor variant |
124 | * of cdc-acm, it'll fail RNDIS requests cleanly. | |
125 | */ | |
8e95a202 JP |
126 | rndis = (is_rndis(&intf->cur_altsetting->desc) || |
127 | is_activesync(&intf->cur_altsetting->desc) || | |
128 | is_wireless_rndis(&intf->cur_altsetting->desc)); | |
4324fd49 DB |
129 | |
130 | memset(info, 0, sizeof *info); | |
131 | info->control = intf; | |
132 | while (len > 3) { | |
133 | if (buf [1] != USB_DT_CS_INTERFACE) | |
134 | goto next_desc; | |
135 | ||
136 | /* use bDescriptorSubType to identify the CDC descriptors. | |
137 | * We expect devices with CDC header and union descriptors. | |
138 | * For CDC Ethernet we need the ethernet descriptor. | |
139 | * For RNDIS, ignore two (pointless) CDC modem descriptors | |
140 | * in favor of a complicated OID-based RPC scheme doing what | |
141 | * CDC Ethernet achieves with a simple descriptor. | |
142 | */ | |
143 | switch (buf [2]) { | |
144 | case USB_CDC_HEADER_TYPE: | |
145 | if (info->header) { | |
146 | dev_dbg(&intf->dev, "extra CDC header\n"); | |
147 | goto bad_desc; | |
148 | } | |
149 | info->header = (void *) buf; | |
150 | if (info->header->bLength != sizeof *info->header) { | |
151 | dev_dbg(&intf->dev, "CDC header len %u\n", | |
152 | info->header->bLength); | |
153 | goto bad_desc; | |
154 | } | |
155 | break; | |
ad55d71a OAVR |
156 | case USB_CDC_ACM_TYPE: |
157 | /* paranoia: disambiguate a "real" vendor-specific | |
158 | * modem interface from an RNDIS non-modem. | |
159 | */ | |
160 | if (rndis) { | |
afaee82c | 161 | struct usb_cdc_acm_descriptor *acm; |
ad55d71a | 162 | |
afaee82c DB |
163 | acm = (void *) buf; |
164 | if (acm->bmCapabilities) { | |
ad55d71a OAVR |
165 | dev_dbg(&intf->dev, |
166 | "ACM capabilities %02x, " | |
167 | "not really RNDIS?\n", | |
afaee82c | 168 | acm->bmCapabilities); |
ad55d71a OAVR |
169 | goto bad_desc; |
170 | } | |
171 | } | |
172 | break; | |
4324fd49 DB |
173 | case USB_CDC_UNION_TYPE: |
174 | if (info->u) { | |
175 | dev_dbg(&intf->dev, "extra CDC union\n"); | |
176 | goto bad_desc; | |
177 | } | |
178 | info->u = (void *) buf; | |
179 | if (info->u->bLength != sizeof *info->u) { | |
180 | dev_dbg(&intf->dev, "CDC union len %u\n", | |
181 | info->u->bLength); | |
182 | goto bad_desc; | |
183 | } | |
184 | ||
185 | /* we need a master/control interface (what we're | |
186 | * probed with) and a slave/data interface; union | |
187 | * descriptors sort this all out. | |
188 | */ | |
189 | info->control = usb_ifnum_to_if(dev->udev, | |
190 | info->u->bMasterInterface0); | |
191 | info->data = usb_ifnum_to_if(dev->udev, | |
192 | info->u->bSlaveInterface0); | |
193 | if (!info->control || !info->data) { | |
194 | dev_dbg(&intf->dev, | |
195 | "master #%u/%p slave #%u/%p\n", | |
196 | info->u->bMasterInterface0, | |
197 | info->control, | |
198 | info->u->bSlaveInterface0, | |
199 | info->data); | |
200 | goto bad_desc; | |
201 | } | |
202 | if (info->control != intf) { | |
203 | dev_dbg(&intf->dev, "bogus CDC Union\n"); | |
204 | /* Ambit USB Cable Modem (and maybe others) | |
205 | * interchanges master and slave interface. | |
206 | */ | |
207 | if (info->data == intf) { | |
208 | info->data = info->control; | |
209 | info->control = intf; | |
210 | } else | |
211 | goto bad_desc; | |
212 | } | |
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) { | |
217 | dev_dbg(&intf->dev, "slave class %u\n", | |
218 | d->bInterfaceClass); | |
219 | goto bad_desc; | |
220 | } | |
221 | break; | |
222 | case USB_CDC_ETHERNET_TYPE: | |
223 | if (info->ether) { | |
224 | dev_dbg(&intf->dev, "extra CDC ether\n"); | |
225 | goto bad_desc; | |
226 | } | |
227 | info->ether = (void *) buf; | |
228 | if (info->ether->bLength != sizeof *info->ether) { | |
229 | dev_dbg(&intf->dev, "CDC ether len %u\n", | |
230 | info->ether->bLength); | |
231 | goto bad_desc; | |
232 | } | |
233 | dev->hard_mtu = le16_to_cpu( | |
234 | info->ether->wMaxSegmentSize); | |
235 | /* because of Zaurus, we may be ignoring the host | |
236 | * side link address we were given. | |
237 | */ | |
238 | break; | |
21851264 JS |
239 | case USB_CDC_MDLM_TYPE: |
240 | if (desc) { | |
241 | dev_dbg(&intf->dev, "extra MDLM descriptor\n"); | |
242 | goto bad_desc; | |
243 | } | |
244 | ||
245 | desc = (void *)buf; | |
246 | ||
247 | if (desc->bLength != sizeof(*desc)) | |
248 | goto bad_desc; | |
249 | ||
250 | if (memcmp(&desc->bGUID, mbm_guid, 16)) | |
251 | goto bad_desc; | |
252 | break; | |
253 | case USB_CDC_MDLM_DETAIL_TYPE: | |
254 | if (detail) { | |
255 | dev_dbg(&intf->dev, "extra MDLM detail descriptor\n"); | |
256 | goto bad_desc; | |
257 | } | |
258 | ||
259 | detail = (void *)buf; | |
260 | ||
261 | if (detail->bGuidDescriptorType == 0) { | |
262 | if (detail->bLength < (sizeof(*detail) + 1)) | |
263 | goto bad_desc; | |
264 | } else | |
265 | goto bad_desc; | |
266 | break; | |
4324fd49 DB |
267 | } |
268 | next_desc: | |
269 | len -= buf [0]; /* bLength */ | |
270 | buf += buf [0]; | |
271 | } | |
272 | ||
786e3dfb BD |
273 | /* Microsoft ActiveSync based and some regular RNDIS devices lack the |
274 | * CDC descriptors, so we'll hard-wire the interfaces and not check | |
275 | * for descriptors. | |
ad55d71a | 276 | */ |
786e3dfb | 277 | if (rndis && !info->u) { |
ad55d71a OAVR |
278 | info->control = usb_ifnum_to_if(dev->udev, 0); |
279 | info->data = usb_ifnum_to_if(dev->udev, 1); | |
280 | if (!info->control || !info->data) { | |
281 | dev_dbg(&intf->dev, | |
786e3dfb | 282 | "rndis: master #0/%p slave #1/%p\n", |
ad55d71a OAVR |
283 | info->control, |
284 | info->data); | |
285 | goto bad_desc; | |
286 | } | |
287 | ||
288 | } else if (!info->header || !info->u || (!rndis && !info->ether)) { | |
4324fd49 DB |
289 | dev_dbg(&intf->dev, "missing cdc %s%s%sdescriptor\n", |
290 | info->header ? "" : "header ", | |
291 | info->u ? "" : "union ", | |
292 | info->ether ? "" : "ether "); | |
293 | goto bad_desc; | |
294 | } | |
295 | ||
296 | /* claim data interface and set it up ... with side effects. | |
297 | * network traffic can't flow until an altsetting is enabled. | |
298 | */ | |
299 | status = usb_driver_claim_interface(driver, info->data, dev); | |
300 | if (status < 0) | |
301 | return status; | |
302 | status = usbnet_get_endpoints(dev, info->data); | |
303 | if (status < 0) { | |
304 | /* ensure immediate exit from usbnet_disconnect */ | |
305 | usb_set_intfdata(info->data, NULL); | |
306 | usb_driver_release_interface(driver, info->data); | |
307 | return status; | |
308 | } | |
309 | ||
310 | /* status endpoint: optional for CDC Ethernet, not RNDIS (or ACM) */ | |
311 | dev->status = NULL; | |
312 | if (info->control->cur_altsetting->desc.bNumEndpoints == 1) { | |
313 | struct usb_endpoint_descriptor *desc; | |
314 | ||
315 | dev->status = &info->control->cur_altsetting->endpoint [0]; | |
316 | desc = &dev->status->desc; | |
8e95a202 JP |
317 | if (!usb_endpoint_is_int_in(desc) || |
318 | (le16_to_cpu(desc->wMaxPacketSize) | |
319 | < sizeof(struct usb_cdc_notification)) || | |
320 | !desc->bInterval) { | |
4324fd49 DB |
321 | dev_dbg(&intf->dev, "bad notification endpoint\n"); |
322 | dev->status = NULL; | |
323 | } | |
324 | } | |
325 | if (rndis && !dev->status) { | |
326 | dev_dbg(&intf->dev, "missing RNDIS status endpoint\n"); | |
327 | usb_set_intfdata(info->data, NULL); | |
328 | usb_driver_release_interface(driver, info->data); | |
329 | return -ENODEV; | |
330 | } | |
331 | return 0; | |
332 | ||
333 | bad_desc: | |
334 | dev_info(&dev->udev->dev, "bad CDC descriptors\n"); | |
335 | return -ENODEV; | |
336 | } | |
337 | EXPORT_SYMBOL_GPL(usbnet_generic_cdc_bind); | |
338 | ||
339 | void usbnet_cdc_unbind(struct usbnet *dev, struct usb_interface *intf) | |
340 | { | |
341 | struct cdc_state *info = (void *) &dev->data; | |
342 | struct usb_driver *driver = driver_of(intf); | |
343 | ||
344 | /* disconnect master --> disconnect slave */ | |
345 | if (intf == info->control && info->data) { | |
346 | /* ensure immediate exit from usbnet_disconnect */ | |
347 | usb_set_intfdata(info->data, NULL); | |
348 | usb_driver_release_interface(driver, info->data); | |
349 | info->data = NULL; | |
350 | } | |
351 | ||
352 | /* and vice versa (just in case) */ | |
353 | else if (intf == info->data && info->control) { | |
354 | /* ensure immediate exit from usbnet_disconnect */ | |
355 | usb_set_intfdata(info->control, NULL); | |
356 | usb_driver_release_interface(driver, info->control); | |
357 | info->control = NULL; | |
358 | } | |
359 | } | |
360 | EXPORT_SYMBOL_GPL(usbnet_cdc_unbind); | |
361 | ||
4324fd49 DB |
362 | /*------------------------------------------------------------------------- |
363 | * | |
364 | * Communications Device Class, Ethernet Control model | |
365 | * | |
366 | * Takes two interfaces. The DATA interface is inactive till an altsetting | |
367 | * is selected. Configuration data includes class descriptors. There's | |
368 | * an optional status endpoint on the control interface. | |
369 | * | |
370 | * This should interop with whatever the 2.4 "CDCEther.c" driver | |
371 | * (by Brad Hards) talked with, with more functionality. | |
372 | * | |
373 | *-------------------------------------------------------------------------*/ | |
374 | ||
375 | static void dumpspeed(struct usbnet *dev, __le32 *speeds) | |
376 | { | |
a475f603 JP |
377 | netif_info(dev, timer, dev->net, |
378 | "link speeds: %u kbps up, %u kbps down\n", | |
379 | __le32_to_cpu(speeds[0]) / 1000, | |
380 | __le32_to_cpu(speeds[1]) / 1000); | |
4324fd49 DB |
381 | } |
382 | ||
383 | static void cdc_status(struct usbnet *dev, struct urb *urb) | |
384 | { | |
385 | struct usb_cdc_notification *event; | |
386 | ||
387 | if (urb->actual_length < sizeof *event) | |
388 | return; | |
389 | ||
390 | /* SPEED_CHANGE can get split into two 8-byte packets */ | |
391 | if (test_and_clear_bit(EVENT_STS_SPLIT, &dev->flags)) { | |
392 | dumpspeed(dev, (__le32 *) urb->transfer_buffer); | |
393 | return; | |
394 | } | |
395 | ||
396 | event = urb->transfer_buffer; | |
397 | switch (event->bNotificationType) { | |
398 | case USB_CDC_NOTIFY_NETWORK_CONNECTION: | |
a475f603 JP |
399 | netif_dbg(dev, timer, dev->net, "CDC: carrier %s\n", |
400 | event->wValue ? "on" : "off"); | |
4324fd49 DB |
401 | if (event->wValue) |
402 | netif_carrier_on(dev->net); | |
403 | else | |
404 | netif_carrier_off(dev->net); | |
405 | break; | |
406 | case USB_CDC_NOTIFY_SPEED_CHANGE: /* tx/rx rates */ | |
a475f603 JP |
407 | netif_dbg(dev, timer, dev->net, "CDC: speed change (len %d)\n", |
408 | urb->actual_length); | |
4324fd49 DB |
409 | if (urb->actual_length != (sizeof *event + 8)) |
410 | set_bit(EVENT_STS_SPLIT, &dev->flags); | |
411 | else | |
412 | dumpspeed(dev, (__le32 *) &event[1]); | |
413 | break; | |
414 | /* USB_CDC_NOTIFY_RESPONSE_AVAILABLE can happen too (e.g. RNDIS), | |
415 | * but there are no standard formats for the response data. | |
416 | */ | |
417 | default: | |
60b86755 JP |
418 | netdev_err(dev->net, "CDC: unexpected notification %02x!\n", |
419 | event->bNotificationType); | |
4324fd49 DB |
420 | break; |
421 | } | |
422 | } | |
423 | ||
4324fd49 DB |
424 | static int cdc_bind(struct usbnet *dev, struct usb_interface *intf) |
425 | { | |
426 | int status; | |
427 | struct cdc_state *info = (void *) &dev->data; | |
428 | ||
429 | status = usbnet_generic_cdc_bind(dev, intf); | |
430 | if (status < 0) | |
431 | return status; | |
432 | ||
03ad032b | 433 | status = usbnet_get_ethernet_addr(dev, info->ether->iMACAddress); |
4324fd49 DB |
434 | if (status < 0) { |
435 | usb_set_intfdata(info->data, NULL); | |
436 | usb_driver_release_interface(driver_of(intf), info->data); | |
437 | return status; | |
438 | } | |
439 | ||
440 | /* FIXME cdc-ether has some multicast code too, though it complains | |
441 | * in routine cases. info->ether describes the multicast support. | |
442 | * Implement that here, manipulating the cdc filter as needed. | |
443 | */ | |
444 | return 0; | |
445 | } | |
446 | ||
69ee472f ON |
447 | static int cdc_manage_power(struct usbnet *dev, int on) |
448 | { | |
449 | dev->intf->needs_remote_wakeup = on; | |
450 | return 0; | |
451 | } | |
452 | ||
4324fd49 DB |
453 | static const struct driver_info cdc_info = { |
454 | .description = "CDC Ethernet Device", | |
71cc1fa9 | 455 | .flags = FLAG_ETHER, |
4324fd49 DB |
456 | // .check_connect = cdc_check_connect, |
457 | .bind = cdc_bind, | |
458 | .unbind = usbnet_cdc_unbind, | |
459 | .status = cdc_status, | |
69ee472f | 460 | .manage_power = cdc_manage_power, |
4324fd49 DB |
461 | }; |
462 | ||
e1e499ee MH |
463 | static const struct driver_info mbm_info = { |
464 | .description = "Mobile Broadband Network Device", | |
465 | .flags = FLAG_WWAN, | |
466 | .bind = cdc_bind, | |
467 | .unbind = usbnet_cdc_unbind, | |
468 | .status = cdc_status, | |
55964d72 | 469 | .manage_power = cdc_manage_power, |
e1e499ee MH |
470 | }; |
471 | ||
4324fd49 DB |
472 | /*-------------------------------------------------------------------------*/ |
473 | ||
474 | ||
475 | static const struct usb_device_id products [] = { | |
476 | /* | |
477 | * BLACKLIST !! | |
478 | * | |
479 | * First blacklist any products that are egregiously nonconformant | |
480 | * with the CDC Ethernet specs. Minor braindamage we cope with; when | |
481 | * they're not even trying, needing a separate driver is only the first | |
482 | * of the differences to show up. | |
483 | */ | |
484 | ||
485 | #define ZAURUS_MASTER_INTERFACE \ | |
486 | .bInterfaceClass = USB_CLASS_COMM, \ | |
487 | .bInterfaceSubClass = USB_CDC_SUBCLASS_ETHERNET, \ | |
488 | .bInterfaceProtocol = USB_CDC_PROTO_NONE | |
489 | ||
490 | /* SA-1100 based Sharp Zaurus ("collie"), or compatible; | |
491 | * wire-incompatible with true CDC Ethernet implementations. | |
492 | * (And, it seems, needlessly so...) | |
493 | */ | |
494 | { | |
495 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
496 | | USB_DEVICE_ID_MATCH_DEVICE, | |
497 | .idVendor = 0x04DD, | |
498 | .idProduct = 0x8004, | |
499 | ZAURUS_MASTER_INTERFACE, | |
500 | .driver_info = 0, | |
501 | }, | |
502 | ||
503 | /* PXA-25x based Sharp Zaurii. Note that it seems some of these | |
504 | * (later models especially) may have shipped only with firmware | |
505 | * advertising false "CDC MDLM" compatibility ... but we're not | |
506 | * clear which models did that, so for now let's assume the worst. | |
507 | */ | |
508 | { | |
509 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
510 | | USB_DEVICE_ID_MATCH_DEVICE, | |
511 | .idVendor = 0x04DD, | |
512 | .idProduct = 0x8005, /* A-300 */ | |
513 | ZAURUS_MASTER_INTERFACE, | |
514 | .driver_info = 0, | |
515 | }, { | |
516 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
517 | | USB_DEVICE_ID_MATCH_DEVICE, | |
518 | .idVendor = 0x04DD, | |
519 | .idProduct = 0x8006, /* B-500/SL-5600 */ | |
520 | ZAURUS_MASTER_INTERFACE, | |
521 | .driver_info = 0, | |
522 | }, { | |
523 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
524 | | USB_DEVICE_ID_MATCH_DEVICE, | |
525 | .idVendor = 0x04DD, | |
526 | .idProduct = 0x8007, /* C-700 */ | |
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 = 0x9031, /* C-750 C-760 */ | |
534 | ZAURUS_MASTER_INTERFACE, | |
535 | .driver_info = 0, | |
536 | }, { | |
537 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
538 | | USB_DEVICE_ID_MATCH_DEVICE, | |
539 | .idVendor = 0x04DD, | |
540 | .idProduct = 0x9032, /* SL-6000 */ | |
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 | /* reported with some C860 units */ | |
548 | .idProduct = 0x9050, /* C-860 */ | |
549 | ZAURUS_MASTER_INTERFACE, | |
550 | .driver_info = 0, | |
551 | }, | |
552 | ||
efcaa205 DB |
553 | /* Olympus has some models with a Zaurus-compatible option. |
554 | * R-1000 uses a FreeScale i.MXL cpu (ARMv4T) | |
555 | */ | |
556 | { | |
557 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
558 | | USB_DEVICE_ID_MATCH_DEVICE, | |
559 | .idVendor = 0x07B4, | |
560 | .idProduct = 0x0F02, /* R-1000 */ | |
561 | ZAURUS_MASTER_INTERFACE, | |
562 | .driver_info = 0, | |
563 | }, | |
564 | ||
4324fd49 DB |
565 | /* |
566 | * WHITELIST!!! | |
567 | * | |
568 | * CDC Ether uses two interfaces, not necessarily consecutive. | |
569 | * We match the main interface, ignoring the optional device | |
570 | * class so we could handle devices that aren't exclusively | |
571 | * CDC ether. | |
572 | * | |
573 | * NOTE: this match must come AFTER entries blacklisting devices | |
574 | * because of bugs/quirks in a given product (like Zaurus, above). | |
575 | */ | |
576 | { | |
577 | USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_ETHERNET, | |
578 | USB_CDC_PROTO_NONE), | |
579 | .driver_info = (unsigned long) &cdc_info, | |
cac477e8 | 580 | }, { |
21851264 JS |
581 | USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_MDLM, |
582 | USB_CDC_PROTO_NONE), | |
583 | .driver_info = (unsigned long)&mbm_info, | |
584 | ||
4324fd49 DB |
585 | }, |
586 | { }, // END | |
587 | }; | |
588 | MODULE_DEVICE_TABLE(usb, products); | |
589 | ||
590 | static struct usb_driver cdc_driver = { | |
4324fd49 DB |
591 | .name = "cdc_ether", |
592 | .id_table = products, | |
593 | .probe = usbnet_probe, | |
594 | .disconnect = usbnet_disconnect, | |
595 | .suspend = usbnet_suspend, | |
596 | .resume = usbnet_resume, | |
7f515790 | 597 | .reset_resume = usbnet_resume, |
69ee472f | 598 | .supports_autosuspend = 1, |
4324fd49 DB |
599 | }; |
600 | ||
601 | ||
602 | static int __init cdc_init(void) | |
603 | { | |
f8ac232a | 604 | BUILD_BUG_ON((sizeof(((struct usbnet *)0)->data) |
4324fd49 DB |
605 | < sizeof(struct cdc_state))); |
606 | ||
607 | return usb_register(&cdc_driver); | |
608 | } | |
609 | module_init(cdc_init); | |
610 | ||
611 | static void __exit cdc_exit(void) | |
612 | { | |
613 | usb_deregister(&cdc_driver); | |
614 | } | |
615 | module_exit(cdc_exit); | |
616 | ||
617 | MODULE_AUTHOR("David Brownell"); | |
618 | MODULE_DESCRIPTION("USB CDC Ethernet devices"); | |
619 | MODULE_LICENSE("GPL"); |