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 | ||
d80c679b OB |
70 | static 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 | */ | |
105 | int 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 | } | |
214 | skip: | |
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 | ||
322 | bad_desc: | |
323 | dev_info(&dev->udev->dev, "bad CDC descriptors\n"); | |
324 | return -ENODEV; | |
325 | } | |
326 | EXPORT_SYMBOL_GPL(usbnet_generic_cdc_bind); | |
327 | ||
328 | void 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 | } | |
353 | EXPORT_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 | |
365 | static 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 | 373 | void 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"); | |
bfe9b9d2 KE |
391 | |
392 | /* Work-around for devices with broken off-notifications */ | |
393 | if (event->wValue && | |
394 | !test_bit(__LINK_STATE_NOCARRIER, &dev->net->state)) | |
395 | usbnet_link_change(dev, 0, 0); | |
396 | ||
a6bda459 | 397 | usbnet_link_change(dev, !!event->wValue, 0); |
4324fd49 DB |
398 | break; |
399 | case USB_CDC_NOTIFY_SPEED_CHANGE: /* tx/rx rates */ | |
a475f603 JP |
400 | netif_dbg(dev, timer, dev->net, "CDC: speed change (len %d)\n", |
401 | urb->actual_length); | |
8857ec28 | 402 | if (urb->actual_length != (sizeof(*event) + 8)) |
4324fd49 DB |
403 | set_bit(EVENT_STS_SPLIT, &dev->flags); |
404 | else | |
405 | dumpspeed(dev, (__le32 *) &event[1]); | |
406 | break; | |
407 | /* USB_CDC_NOTIFY_RESPONSE_AVAILABLE can happen too (e.g. RNDIS), | |
408 | * but there are no standard formats for the response data. | |
409 | */ | |
410 | default: | |
60b86755 JP |
411 | netdev_err(dev->net, "CDC: unexpected notification %02x!\n", |
412 | event->bNotificationType); | |
4324fd49 DB |
413 | break; |
414 | } | |
415 | } | |
7a635ea9 | 416 | EXPORT_SYMBOL_GPL(usbnet_cdc_status); |
4324fd49 | 417 | |
7a635ea9 | 418 | int usbnet_cdc_bind(struct usbnet *dev, struct usb_interface *intf) |
4324fd49 DB |
419 | { |
420 | int status; | |
421 | struct cdc_state *info = (void *) &dev->data; | |
422 | ||
d632eb1b GKH |
423 | BUILD_BUG_ON((sizeof(((struct usbnet *)0)->data) |
424 | < sizeof(struct cdc_state))); | |
425 | ||
4324fd49 DB |
426 | status = usbnet_generic_cdc_bind(dev, intf); |
427 | if (status < 0) | |
428 | return status; | |
429 | ||
03ad032b | 430 | status = usbnet_get_ethernet_addr(dev, info->ether->iMACAddress); |
4324fd49 DB |
431 | if (status < 0) { |
432 | usb_set_intfdata(info->data, NULL); | |
433 | usb_driver_release_interface(driver_of(intf), info->data); | |
434 | return status; | |
435 | } | |
436 | ||
4324fd49 DB |
437 | return 0; |
438 | } | |
7a635ea9 | 439 | EXPORT_SYMBOL_GPL(usbnet_cdc_bind); |
4324fd49 | 440 | |
bfe9b9d2 KE |
441 | static int usbnet_cdc_zte_bind(struct usbnet *dev, struct usb_interface *intf) |
442 | { | |
443 | int status = usbnet_cdc_bind(dev, intf); | |
444 | ||
445 | if (!status && (dev->net->dev_addr[0] & 0x02)) | |
446 | eth_hw_addr_random(dev->net); | |
447 | ||
448 | return status; | |
449 | } | |
450 | ||
451 | /* Make sure packets have correct destination MAC address | |
452 | * | |
453 | * A firmware bug observed on some devices (ZTE MF823/831/910) is that the | |
454 | * device sends packets with a static, bogus, random MAC address (event if | |
455 | * device MAC address has been updated). Always set MAC address to that of the | |
456 | * device. | |
457 | */ | |
458 | static int usbnet_cdc_zte_rx_fixup(struct usbnet *dev, struct sk_buff *skb) | |
459 | { | |
460 | if (skb->len < ETH_HLEN || !(skb->data[0] & 0x02)) | |
461 | return 1; | |
462 | ||
463 | skb_reset_mac_header(skb); | |
464 | ether_addr_copy(eth_hdr(skb)->h_dest, dev->net->dev_addr); | |
465 | ||
466 | return 1; | |
467 | } | |
468 | ||
4324fd49 DB |
469 | static const struct driver_info cdc_info = { |
470 | .description = "CDC Ethernet Device", | |
c261344d | 471 | .flags = FLAG_ETHER | FLAG_POINTTOPOINT, |
7a635ea9 | 472 | .bind = usbnet_cdc_bind, |
4324fd49 | 473 | .unbind = usbnet_cdc_unbind, |
7a635ea9 | 474 | .status = usbnet_cdc_status, |
b77e26d1 | 475 | .set_rx_mode = usbnet_cdc_update_filter, |
a5e40708 | 476 | .manage_power = usbnet_manage_power, |
4324fd49 DB |
477 | }; |
478 | ||
bfe9b9d2 KE |
479 | static const struct driver_info zte_cdc_info = { |
480 | .description = "ZTE CDC Ethernet Device", | |
481 | .flags = FLAG_ETHER | FLAG_POINTTOPOINT, | |
482 | .bind = usbnet_cdc_zte_bind, | |
483 | .unbind = usbnet_cdc_unbind, | |
484 | .status = usbnet_cdc_status, | |
485 | .set_rx_mode = usbnet_cdc_update_filter, | |
486 | .manage_power = usbnet_manage_power, | |
487 | .rx_fixup = usbnet_cdc_zte_rx_fixup, | |
488 | }; | |
489 | ||
b3c914aa | 490 | static const struct driver_info wwan_info = { |
e1e499ee MH |
491 | .description = "Mobile Broadband Network Device", |
492 | .flags = FLAG_WWAN, | |
7a635ea9 | 493 | .bind = usbnet_cdc_bind, |
e1e499ee | 494 | .unbind = usbnet_cdc_unbind, |
7a635ea9 | 495 | .status = usbnet_cdc_status, |
b77e26d1 | 496 | .set_rx_mode = usbnet_cdc_update_filter, |
a5e40708 | 497 | .manage_power = usbnet_manage_power, |
e1e499ee MH |
498 | }; |
499 | ||
4324fd49 DB |
500 | /*-------------------------------------------------------------------------*/ |
501 | ||
b3c914aa | 502 | #define HUAWEI_VENDOR_ID 0x12D1 |
4e6304b8 | 503 | #define NOVATEL_VENDOR_ID 0x1410 |
68d8318b | 504 | #define ZTE_VENDOR_ID 0x19D2 |
0370acd4 | 505 | #define DELL_VENDOR_ID 0x413C |
ac718b69 | 506 | #define REALTEK_VENDOR_ID 0x0bda |
43779f8d | 507 | #define SAMSUNG_VENDOR_ID 0x04e8 |
347eec34 | 508 | #define LENOVO_VENDOR_ID 0x17ef |
d065c3c1 | 509 | #define NVIDIA_VENDOR_ID 0x0955 |
4324fd49 | 510 | |
8857ec28 FP |
511 | static const struct usb_device_id products[] = { |
512 | /* BLACKLIST !! | |
4324fd49 DB |
513 | * |
514 | * First blacklist any products that are egregiously nonconformant | |
515 | * with the CDC Ethernet specs. Minor braindamage we cope with; when | |
516 | * they're not even trying, needing a separate driver is only the first | |
517 | * of the differences to show up. | |
518 | */ | |
519 | ||
520 | #define ZAURUS_MASTER_INTERFACE \ | |
521 | .bInterfaceClass = USB_CLASS_COMM, \ | |
522 | .bInterfaceSubClass = USB_CDC_SUBCLASS_ETHERNET, \ | |
523 | .bInterfaceProtocol = USB_CDC_PROTO_NONE | |
524 | ||
525 | /* SA-1100 based Sharp Zaurus ("collie"), or compatible; | |
526 | * wire-incompatible with true CDC Ethernet implementations. | |
527 | * (And, it seems, needlessly so...) | |
528 | */ | |
529 | { | |
530 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
531 | | USB_DEVICE_ID_MATCH_DEVICE, | |
532 | .idVendor = 0x04DD, | |
533 | .idProduct = 0x8004, | |
534 | ZAURUS_MASTER_INTERFACE, | |
535 | .driver_info = 0, | |
536 | }, | |
537 | ||
538 | /* PXA-25x based Sharp Zaurii. Note that it seems some of these | |
539 | * (later models especially) may have shipped only with firmware | |
540 | * advertising false "CDC MDLM" compatibility ... but we're not | |
541 | * clear which models did that, so for now let's assume the worst. | |
542 | */ | |
543 | { | |
544 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
545 | | USB_DEVICE_ID_MATCH_DEVICE, | |
546 | .idVendor = 0x04DD, | |
547 | .idProduct = 0x8005, /* A-300 */ | |
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 = 0x8006, /* B-500/SL-5600 */ | |
555 | ZAURUS_MASTER_INTERFACE, | |
556 | .driver_info = 0, | |
557 | }, { | |
558 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
8857ec28 | 559 | | USB_DEVICE_ID_MATCH_DEVICE, |
4324fd49 DB |
560 | .idVendor = 0x04DD, |
561 | .idProduct = 0x8007, /* C-700 */ | |
562 | ZAURUS_MASTER_INTERFACE, | |
563 | .driver_info = 0, | |
564 | }, { | |
565 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
566 | | USB_DEVICE_ID_MATCH_DEVICE, | |
567 | .idVendor = 0x04DD, | |
568 | .idProduct = 0x9031, /* C-750 C-760 */ | |
569 | ZAURUS_MASTER_INTERFACE, | |
570 | .driver_info = 0, | |
571 | }, { | |
572 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
573 | | USB_DEVICE_ID_MATCH_DEVICE, | |
574 | .idVendor = 0x04DD, | |
575 | .idProduct = 0x9032, /* SL-6000 */ | |
576 | ZAURUS_MASTER_INTERFACE, | |
577 | .driver_info = 0, | |
578 | }, { | |
579 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
580 | | USB_DEVICE_ID_MATCH_DEVICE, | |
581 | .idVendor = 0x04DD, | |
582 | /* reported with some C860 units */ | |
583 | .idProduct = 0x9050, /* C-860 */ | |
584 | ZAURUS_MASTER_INTERFACE, | |
585 | .driver_info = 0, | |
586 | }, | |
587 | ||
efcaa205 DB |
588 | /* Olympus has some models with a Zaurus-compatible option. |
589 | * R-1000 uses a FreeScale i.MXL cpu (ARMv4T) | |
590 | */ | |
591 | { | |
592 | .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | |
593 | | USB_DEVICE_ID_MATCH_DEVICE, | |
594 | .idVendor = 0x07B4, | |
595 | .idProduct = 0x0F02, /* R-1000 */ | |
596 | ZAURUS_MASTER_INTERFACE, | |
597 | .driver_info = 0, | |
598 | }, | |
599 | ||
7a635ea9 AZ |
600 | /* LG Electronics VL600 wants additional headers on every frame */ |
601 | { | |
602 | USB_DEVICE_AND_INTERFACE_INFO(0x1004, 0x61aa, USB_CLASS_COMM, | |
603 | USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), | |
6d74eb94 | 604 | .driver_info = 0, |
7a635ea9 AZ |
605 | }, |
606 | ||
ee932bf9 ST |
607 | /* Logitech Harmony 900 - uses the pseudo-MDLM (BLAN) driver */ |
608 | { | |
609 | USB_DEVICE_AND_INTERFACE_INFO(0x046d, 0xc11f, USB_CLASS_COMM, | |
610 | USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE), | |
611 | .driver_info = 0, | |
612 | }, | |
613 | ||
f8295ec2 DW |
614 | /* Novatel USB551L and MC551 - handled by qmi_wwan */ |
615 | { | |
c39ba1c2 DW |
616 | USB_DEVICE_AND_INTERFACE_INFO(NOVATEL_VENDOR_ID, 0xB001, USB_CLASS_COMM, |
617 | USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), | |
f8295ec2 DW |
618 | .driver_info = 0, |
619 | }, | |
620 | ||
621 | /* Novatel E362 - handled by qmi_wwan */ | |
622 | { | |
c39ba1c2 DW |
623 | USB_DEVICE_AND_INTERFACE_INFO(NOVATEL_VENDOR_ID, 0x9010, USB_CLASS_COMM, |
624 | USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), | |
f8295ec2 DW |
625 | .driver_info = 0, |
626 | }, | |
627 | ||
0370acd4 DW |
628 | /* Dell Wireless 5800 (Novatel E362) - handled by qmi_wwan */ |
629 | { | |
630 | USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, 0x8195, USB_CLASS_COMM, | |
631 | USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), | |
632 | .driver_info = 0, | |
633 | }, | |
634 | ||
635 | /* Dell Wireless 5800 (Novatel E362) - handled by qmi_wwan */ | |
636 | { | |
637 | USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, 0x8196, USB_CLASS_COMM, | |
638 | USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), | |
639 | .driver_info = 0, | |
640 | }, | |
641 | ||
7fdb7846 DW |
642 | /* Dell Wireless 5804 (Novatel E371) - handled by qmi_wwan */ |
643 | { | |
644 | USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, 0x819b, USB_CLASS_COMM, | |
645 | USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), | |
646 | .driver_info = 0, | |
647 | }, | |
648 | ||
7b5939ba YY |
649 | /* Novatel Expedite E371 - handled by qmi_wwan */ |
650 | { | |
651 | USB_DEVICE_AND_INTERFACE_INFO(NOVATEL_VENDOR_ID, 0x9011, USB_CLASS_COMM, | |
652 | USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), | |
653 | .driver_info = 0, | |
654 | }, | |
655 | ||
45d213f5 DW |
656 | /* AnyDATA ADU960S - handled by qmi_wwan */ |
657 | { | |
658 | USB_DEVICE_AND_INTERFACE_INFO(0x16d5, 0x650a, USB_CLASS_COMM, | |
659 | USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), | |
660 | .driver_info = 0, | |
661 | }, | |
662 | ||
c2020be3 BM |
663 | /* Huawei E1820 - handled by qmi_wwan */ |
664 | { | |
665 | USB_DEVICE_INTERFACE_NUMBER(HUAWEI_VENDOR_ID, 0x14ac, 1), | |
666 | .driver_info = 0, | |
667 | }, | |
668 | ||
ac718b69 | 669 | /* Realtek RTL8152 Based USB 2.0 Ethernet Adapters */ |
ac718b69 | 670 | { |
671 | USB_DEVICE_AND_INTERFACE_INFO(REALTEK_VENDOR_ID, 0x8152, USB_CLASS_COMM, | |
672 | USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), | |
673 | .driver_info = 0, | |
674 | }, | |
c073f666 | 675 | |
676 | /* Realtek RTL8153 Based USB 3.0 Ethernet Adapters */ | |
677 | { | |
678 | USB_DEVICE_AND_INTERFACE_INFO(REALTEK_VENDOR_ID, 0x8153, USB_CLASS_COMM, | |
679 | USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), | |
680 | .driver_info = 0, | |
681 | }, | |
ac718b69 | 682 | |
10c32717 | 683 | /* Samsung USB Ethernet Adapters */ |
684 | { | |
685 | USB_DEVICE_AND_INTERFACE_INFO(SAMSUNG_VENDOR_ID, 0xa101, USB_CLASS_COMM, | |
686 | USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), | |
687 | .driver_info = 0, | |
688 | }, | |
689 | ||
347eec34 CH |
690 | /* Lenovo Thinkpad USB 3.0 Ethernet Adapters (based on Realtek RTL8153) */ |
691 | { | |
692 | USB_DEVICE_AND_INTERFACE_INFO(LENOVO_VENDOR_ID, 0x7205, USB_CLASS_COMM, | |
693 | USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), | |
694 | .driver_info = 0, | |
695 | }, | |
696 | ||
d065c3c1 ZL |
697 | /* NVIDIA Tegra USB 3.0 Ethernet Adapters (based on Realtek RTL8153) */ |
698 | { | |
699 | USB_DEVICE_AND_INTERFACE_INFO(NVIDIA_VENDOR_ID, 0x09ff, USB_CLASS_COMM, | |
700 | USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), | |
701 | .driver_info = 0, | |
702 | }, | |
703 | ||
8857ec28 | 704 | /* WHITELIST!!! |
4324fd49 DB |
705 | * |
706 | * CDC Ether uses two interfaces, not necessarily consecutive. | |
707 | * We match the main interface, ignoring the optional device | |
708 | * class so we could handle devices that aren't exclusively | |
709 | * CDC ether. | |
710 | * | |
711 | * NOTE: this match must come AFTER entries blacklisting devices | |
712 | * because of bugs/quirks in a given product (like Zaurus, above). | |
713 | */ | |
714 | { | |
68d8318b | 715 | /* ZTE (Vodafone) K3805-Z */ |
d82a7f54 FP |
716 | USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1003, USB_CLASS_COMM, |
717 | USB_CDC_SUBCLASS_ETHERNET, | |
718 | USB_CDC_PROTO_NONE), | |
68d8318b ABSS |
719 | .driver_info = (unsigned long)&wwan_info, |
720 | }, { | |
721 | /* ZTE (Vodafone) K3806-Z */ | |
d82a7f54 FP |
722 | USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1015, USB_CLASS_COMM, |
723 | USB_CDC_SUBCLASS_ETHERNET, | |
724 | USB_CDC_PROTO_NONE), | |
68d8318b ABSS |
725 | .driver_info = (unsigned long)&wwan_info, |
726 | }, { | |
727 | /* ZTE (Vodafone) K4510-Z */ | |
d82a7f54 FP |
728 | USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1173, USB_CLASS_COMM, |
729 | USB_CDC_SUBCLASS_ETHERNET, | |
730 | USB_CDC_PROTO_NONE), | |
68d8318b ABSS |
731 | .driver_info = (unsigned long)&wwan_info, |
732 | }, { | |
733 | /* ZTE (Vodafone) K3770-Z */ | |
d82a7f54 FP |
734 | USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1177, USB_CLASS_COMM, |
735 | USB_CDC_SUBCLASS_ETHERNET, | |
736 | USB_CDC_PROTO_NONE), | |
68d8318b ABSS |
737 | .driver_info = (unsigned long)&wwan_info, |
738 | }, { | |
739 | /* ZTE (Vodafone) K3772-Z */ | |
d82a7f54 FP |
740 | USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1181, USB_CLASS_COMM, |
741 | USB_CDC_SUBCLASS_ETHERNET, | |
742 | USB_CDC_PROTO_NONE), | |
68d8318b | 743 | .driver_info = (unsigned long)&wwan_info, |
00928204 FP |
744 | }, { |
745 | /* Telit modules */ | |
746 | USB_VENDOR_AND_INTERFACE_INFO(0x1bc7, USB_CLASS_COMM, | |
747 | USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), | |
748 | .driver_info = (kernel_ulong_t) &wwan_info, | |
0b88393c DP |
749 | }, { |
750 | /* Dell DW5580 modules */ | |
751 | USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, 0x81ba, USB_CLASS_COMM, | |
752 | USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), | |
753 | .driver_info = (kernel_ulong_t)&wwan_info, | |
bfe9b9d2 KE |
754 | }, { |
755 | /* ZTE modules */ | |
756 | USB_VENDOR_AND_INTERFACE_INFO(ZTE_VENDOR_ID, USB_CLASS_COMM, | |
757 | USB_CDC_SUBCLASS_ETHERNET, | |
758 | USB_CDC_PROTO_NONE), | |
759 | .driver_info = (unsigned long)&zte_cdc_info, | |
4e6304b8 | 760 | }, { |
4324fd49 DB |
761 | USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_ETHERNET, |
762 | USB_CDC_PROTO_NONE), | |
763 | .driver_info = (unsigned long) &cdc_info, | |
cac477e8 | 764 | }, { |
21851264 JS |
765 | USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_MDLM, |
766 | USB_CDC_PROTO_NONE), | |
b3c914aa | 767 | .driver_info = (unsigned long)&wwan_info, |
21851264 | 768 | |
b3c914aa DW |
769 | }, { |
770 | /* Various Huawei modems with a network port like the UMG1831 */ | |
d82a7f54 FP |
771 | USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_COMM, |
772 | USB_CDC_SUBCLASS_ETHERNET, 255), | |
b3c914aa | 773 | .driver_info = (unsigned long)&wwan_info, |
4324fd49 | 774 | }, |
8857ec28 | 775 | { }, /* END */ |
4324fd49 DB |
776 | }; |
777 | MODULE_DEVICE_TABLE(usb, products); | |
778 | ||
779 | static struct usb_driver cdc_driver = { | |
4324fd49 DB |
780 | .name = "cdc_ether", |
781 | .id_table = products, | |
782 | .probe = usbnet_probe, | |
783 | .disconnect = usbnet_disconnect, | |
784 | .suspend = usbnet_suspend, | |
785 | .resume = usbnet_resume, | |
7f515790 | 786 | .reset_resume = usbnet_resume, |
69ee472f | 787 | .supports_autosuspend = 1, |
e1f12eb6 | 788 | .disable_hub_initiated_lpm = 1, |
4324fd49 DB |
789 | }; |
790 | ||
d632eb1b | 791 | module_usb_driver(cdc_driver); |
4324fd49 DB |
792 | |
793 | MODULE_AUTHOR("David Brownell"); | |
794 | MODULE_DESCRIPTION("USB CDC Ethernet devices"); | |
795 | MODULE_LICENSE("GPL"); |