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23#include <linux/module.h>
24#include <linux/netdevice.h>
25#include <linux/etherdevice.h>
26#include <linux/ethtool.h>
27#include <linux/workqueue.h>
28#include <linux/mii.h>
29#include <linux/usb.h>
30#include <linux/usb/cdc.h>
31#include <linux/usb/usbnet.h>
32
33
34#if IS_ENABLED(CONFIG_USB_NET_RNDIS_HOST)
35
36static int is_rndis(struct usb_interface_descriptor *desc)
37{
38 return (desc->bInterfaceClass == USB_CLASS_COMM &&
39 desc->bInterfaceSubClass == 2 &&
40 desc->bInterfaceProtocol == 0xff);
41}
42
43static int is_activesync(struct usb_interface_descriptor *desc)
44{
45 return (desc->bInterfaceClass == USB_CLASS_MISC &&
46 desc->bInterfaceSubClass == 1 &&
47 desc->bInterfaceProtocol == 1);
48}
49
50static int is_wireless_rndis(struct usb_interface_descriptor *desc)
51{
52 return (desc->bInterfaceClass == USB_CLASS_WIRELESS_CONTROLLER &&
53 desc->bInterfaceSubClass == 1 &&
54 desc->bInterfaceProtocol == 3);
55}
56
57#else
58
59#define is_rndis(desc) 0
60#define is_activesync(desc) 0
61#define is_wireless_rndis(desc) 0
62
63#endif
64
65static const u8 mbm_guid[16] = {
66 0xa3, 0x17, 0xa8, 0x8b, 0x04, 0x5e, 0x4f, 0x01,
67 0xa6, 0x07, 0xc0, 0xff, 0xcb, 0x7e, 0x39, 0x2a,
68};
69
70static void usbnet_cdc_update_filter(struct usbnet *dev)
71{
72 struct cdc_state *info = (void *) &dev->data;
73 struct usb_interface *intf = info->control;
74 struct net_device *net = dev->net;
75
76 u16 cdc_filter = USB_CDC_PACKET_TYPE_DIRECTED
77 | USB_CDC_PACKET_TYPE_BROADCAST;
78
79
80
81
82
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;
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
100
101
102
103
104
105int usbnet_generic_cdc_bind(struct usbnet *dev, struct usb_interface *intf)
106{
107 u8 *buf = intf->cur_altsetting->extra;
108 int len = intf->cur_altsetting->extralen;
109 struct usb_interface_descriptor *d;
110 struct cdc_state *info = (void *) &dev->data;
111 int status;
112 int rndis;
113 bool android_rndis_quirk = false;
114 struct usb_driver *driver = driver_of(intf);
115 struct usb_cdc_mdlm_desc *desc = NULL;
116 struct usb_cdc_mdlm_detail_desc *detail = NULL;
117
118 if (sizeof(dev->data) < sizeof(*info))
119 return -EDOM;
120
121
122
123
124 if (len == 0 && dev->udev->actconfig->extralen) {
125
126
127
128 buf = dev->udev->actconfig->extra;
129 len = dev->udev->actconfig->extralen;
130 dev_dbg(&intf->dev, "CDC descriptors on config\n");
131 }
132
133
134
135
136 if (len == 0) {
137 struct usb_host_endpoint *hep;
138
139 hep = intf->cur_altsetting->endpoint;
140 if (hep) {
141 buf = hep->extra;
142 len = hep->extralen;
143 }
144 if (len)
145 dev_dbg(&intf->dev,
146 "CDC descriptors on endpoint\n");
147 }
148
149
150
151
152 rndis = (is_rndis(&intf->cur_altsetting->desc) ||
153 is_activesync(&intf->cur_altsetting->desc) ||
154 is_wireless_rndis(&intf->cur_altsetting->desc));
155
156 memset(info, 0, sizeof(*info));
157 info->control = intf;
158 while (len > 3) {
159 if (buf[1] != USB_DT_CS_INTERFACE)
160 goto next_desc;
161
162
163
164
165
166
167
168
169 switch (buf[2]) {
170 case USB_CDC_HEADER_TYPE:
171 if (info->header) {
172 dev_dbg(&intf->dev, "extra CDC header\n");
173 goto bad_desc;
174 }
175 info->header = (void *) buf;
176 if (info->header->bLength != sizeof(*info->header)) {
177 dev_dbg(&intf->dev, "CDC header len %u\n",
178 info->header->bLength);
179 goto bad_desc;
180 }
181 break;
182 case USB_CDC_ACM_TYPE:
183
184
185
186 if (rndis) {
187 struct usb_cdc_acm_descriptor *acm;
188
189 acm = (void *) buf;
190 if (acm->bmCapabilities) {
191 dev_dbg(&intf->dev,
192 "ACM capabilities %02x, "
193 "not really RNDIS?\n",
194 acm->bmCapabilities);
195 goto bad_desc;
196 }
197 }
198 break;
199 case USB_CDC_UNION_TYPE:
200 if (info->u) {
201 dev_dbg(&intf->dev, "extra CDC union\n");
202 goto bad_desc;
203 }
204 info->u = (void *) buf;
205 if (info->u->bLength != sizeof(*info->u)) {
206 dev_dbg(&intf->dev, "CDC union len %u\n",
207 info->u->bLength);
208 goto bad_desc;
209 }
210
211
212
213
214
215 info->control = usb_ifnum_to_if(dev->udev,
216 info->u->bMasterInterface0);
217 info->data = usb_ifnum_to_if(dev->udev,
218 info->u->bSlaveInterface0);
219 if (!info->control || !info->data) {
220 dev_dbg(&intf->dev,
221 "master #%u/%p slave #%u/%p\n",
222 info->u->bMasterInterface0,
223 info->control,
224 info->u->bSlaveInterface0,
225 info->data);
226
227 if (rndis) {
228 android_rndis_quirk = true;
229 goto next_desc;
230 }
231 goto bad_desc;
232 }
233 if (info->control != intf) {
234 dev_dbg(&intf->dev, "bogus CDC Union\n");
235
236
237
238 if (info->data == intf) {
239 info->data = info->control;
240 info->control = intf;
241 } else
242 goto bad_desc;
243 }
244
245
246 if (info->control == info->data)
247 goto next_desc;
248
249
250 d = &info->data->cur_altsetting->desc;
251 if (d->bInterfaceClass != USB_CLASS_CDC_DATA) {
252 dev_dbg(&intf->dev, "slave class %u\n",
253 d->bInterfaceClass);
254 goto bad_desc;
255 }
256 break;
257 case USB_CDC_ETHERNET_TYPE:
258 if (info->ether) {
259 dev_dbg(&intf->dev, "extra CDC ether\n");
260 goto bad_desc;
261 }
262 info->ether = (void *) buf;
263 if (info->ether->bLength != sizeof(*info->ether)) {
264 dev_dbg(&intf->dev, "CDC ether len %u\n",
265 info->ether->bLength);
266 goto bad_desc;
267 }
268 dev->hard_mtu = le16_to_cpu(
269 info->ether->wMaxSegmentSize);
270
271
272
273 break;
274 case USB_CDC_MDLM_TYPE:
275 if (desc) {
276 dev_dbg(&intf->dev, "extra MDLM descriptor\n");
277 goto bad_desc;
278 }
279
280 desc = (void *)buf;
281
282 if (desc->bLength != sizeof(*desc))
283 goto bad_desc;
284
285 if (memcmp(&desc->bGUID, mbm_guid, 16))
286 goto bad_desc;
287 break;
288 case USB_CDC_MDLM_DETAIL_TYPE:
289 if (detail) {
290 dev_dbg(&intf->dev, "extra MDLM detail descriptor\n");
291 goto bad_desc;
292 }
293
294 detail = (void *)buf;
295
296 if (detail->bGuidDescriptorType == 0) {
297 if (detail->bLength < (sizeof(*detail) + 1))
298 goto bad_desc;
299 } else
300 goto bad_desc;
301 break;
302 }
303next_desc:
304 len -= buf[0];
305 buf += buf[0];
306 }
307
308
309
310
311
312
313
314
315
316 if (rndis && (!info->u || android_rndis_quirk)) {
317 info->control = usb_ifnum_to_if(dev->udev, 0);
318 info->data = usb_ifnum_to_if(dev->udev, 1);
319 if (!info->control || !info->data || info->control != intf) {
320 dev_dbg(&intf->dev,
321 "rndis: master #0/%p slave #1/%p\n",
322 info->control,
323 info->data);
324 goto bad_desc;
325 }
326
327 } else if (!info->header || !info->u || (!rndis && !info->ether)) {
328 dev_dbg(&intf->dev, "missing cdc %s%s%sdescriptor\n",
329 info->header ? "" : "header ",
330 info->u ? "" : "union ",
331 info->ether ? "" : "ether ");
332 goto bad_desc;
333 }
334
335
336
337
338 if (info->data != info->control) {
339 status = usb_driver_claim_interface(driver, info->data, dev);
340 if (status < 0)
341 return status;
342 }
343 status = usbnet_get_endpoints(dev, info->data);
344 if (status < 0) {
345
346 usb_set_intfdata(info->data, NULL);
347 if (info->data != info->control)
348 usb_driver_release_interface(driver, info->data);
349 return status;
350 }
351
352
353 if (info->data != info->control)
354 dev->status = NULL;
355 if (info->control->cur_altsetting->desc.bNumEndpoints == 1) {
356 struct usb_endpoint_descriptor *desc;
357
358 dev->status = &info->control->cur_altsetting->endpoint [0];
359 desc = &dev->status->desc;
360 if (!usb_endpoint_is_int_in(desc) ||
361 (le16_to_cpu(desc->wMaxPacketSize)
362 < sizeof(struct usb_cdc_notification)) ||
363 !desc->bInterval) {
364 dev_dbg(&intf->dev, "bad notification endpoint\n");
365 dev->status = NULL;
366 }
367 }
368 if (rndis && !dev->status) {
369 dev_dbg(&intf->dev, "missing RNDIS status endpoint\n");
370 usb_set_intfdata(info->data, NULL);
371 usb_driver_release_interface(driver, info->data);
372 return -ENODEV;
373 }
374
375
376
377
378
379
380 usbnet_cdc_update_filter(dev);
381
382 return 0;
383
384bad_desc:
385 dev_info(&dev->udev->dev, "bad CDC descriptors\n");
386 return -ENODEV;
387}
388EXPORT_SYMBOL_GPL(usbnet_generic_cdc_bind);
389
390void usbnet_cdc_unbind(struct usbnet *dev, struct usb_interface *intf)
391{
392 struct cdc_state *info = (void *) &dev->data;
393 struct usb_driver *driver = driver_of(intf);
394
395
396 if (info->data == info->control)
397 return;
398
399
400 if (intf == info->control && info->data) {
401
402 usb_set_intfdata(info->data, NULL);
403 usb_driver_release_interface(driver, info->data);
404 info->data = NULL;
405 }
406
407
408 else if (intf == info->data && info->control) {
409
410 usb_set_intfdata(info->control, NULL);
411 usb_driver_release_interface(driver, info->control);
412 info->control = NULL;
413 }
414}
415EXPORT_SYMBOL_GPL(usbnet_cdc_unbind);
416
417
418
419
420
421
422
423
424
425
426
427static void dumpspeed(struct usbnet *dev, __le32 *speeds)
428{
429 netif_info(dev, timer, dev->net,
430 "link speeds: %u kbps up, %u kbps down\n",
431 __le32_to_cpu(speeds[0]) / 1000,
432 __le32_to_cpu(speeds[1]) / 1000);
433}
434
435void usbnet_cdc_status(struct usbnet *dev, struct urb *urb)
436{
437 struct usb_cdc_notification *event;
438
439 if (urb->actual_length < sizeof(*event))
440 return;
441
442
443 if (test_and_clear_bit(EVENT_STS_SPLIT, &dev->flags)) {
444 dumpspeed(dev, (__le32 *) urb->transfer_buffer);
445 return;
446 }
447
448 event = urb->transfer_buffer;
449 switch (event->bNotificationType) {
450 case USB_CDC_NOTIFY_NETWORK_CONNECTION:
451 netif_dbg(dev, timer, dev->net, "CDC: carrier %s\n",
452 event->wValue ? "on" : "off");
453 usbnet_link_change(dev, !!event->wValue, 0);
454 break;
455 case USB_CDC_NOTIFY_SPEED_CHANGE:
456 netif_dbg(dev, timer, dev->net, "CDC: speed change (len %d)\n",
457 urb->actual_length);
458 if (urb->actual_length != (sizeof(*event) + 8))
459 set_bit(EVENT_STS_SPLIT, &dev->flags);
460 else
461 dumpspeed(dev, (__le32 *) &event[1]);
462 break;
463
464
465
466 default:
467 netdev_err(dev->net, "CDC: unexpected notification %02x!\n",
468 event->bNotificationType);
469 break;
470 }
471}
472EXPORT_SYMBOL_GPL(usbnet_cdc_status);
473
474int usbnet_cdc_bind(struct usbnet *dev, struct usb_interface *intf)
475{
476 int status;
477 struct cdc_state *info = (void *) &dev->data;
478
479 BUILD_BUG_ON((sizeof(((struct usbnet *)0)->data)
480 < sizeof(struct cdc_state)));
481
482 status = usbnet_generic_cdc_bind(dev, intf);
483 if (status < 0)
484 return status;
485
486 status = usbnet_get_ethernet_addr(dev, info->ether->iMACAddress);
487 if (status < 0) {
488 usb_set_intfdata(info->data, NULL);
489 usb_driver_release_interface(driver_of(intf), info->data);
490 return status;
491 }
492
493 return 0;
494}
495EXPORT_SYMBOL_GPL(usbnet_cdc_bind);
496
497static const struct driver_info cdc_info = {
498 .description = "CDC Ethernet Device",
499 .flags = FLAG_ETHER | FLAG_POINTTOPOINT,
500 .bind = usbnet_cdc_bind,
501 .unbind = usbnet_cdc_unbind,
502 .status = usbnet_cdc_status,
503 .set_rx_mode = usbnet_cdc_update_filter,
504 .manage_power = usbnet_manage_power,
505};
506
507static const struct driver_info wwan_info = {
508 .description = "Mobile Broadband Network Device",
509 .flags = FLAG_WWAN,
510 .bind = usbnet_cdc_bind,
511 .unbind = usbnet_cdc_unbind,
512 .status = usbnet_cdc_status,
513 .set_rx_mode = usbnet_cdc_update_filter,
514 .manage_power = usbnet_manage_power,
515};
516
517
518
519#define HUAWEI_VENDOR_ID 0x12D1
520#define NOVATEL_VENDOR_ID 0x1410
521#define ZTE_VENDOR_ID 0x19D2
522#define DELL_VENDOR_ID 0x413C
523#define REALTEK_VENDOR_ID 0x0bda
524#define SAMSUNG_VENDOR_ID 0x04e8
525#define LENOVO_VENDOR_ID 0x17ef
526
527static const struct usb_device_id products[] = {
528
529
530
531
532
533
534
535
536#define ZAURUS_MASTER_INTERFACE \
537 .bInterfaceClass = USB_CLASS_COMM, \
538 .bInterfaceSubClass = USB_CDC_SUBCLASS_ETHERNET, \
539 .bInterfaceProtocol = USB_CDC_PROTO_NONE
540
541
542
543
544
545{
546 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
547 | USB_DEVICE_ID_MATCH_DEVICE,
548 .idVendor = 0x04DD,
549 .idProduct = 0x8004,
550 ZAURUS_MASTER_INTERFACE,
551 .driver_info = 0,
552},
553
554
555
556
557
558
559{
560 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
561 | USB_DEVICE_ID_MATCH_DEVICE,
562 .idVendor = 0x04DD,
563 .idProduct = 0x8005,
564 ZAURUS_MASTER_INTERFACE,
565 .driver_info = 0,
566}, {
567 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
568 | USB_DEVICE_ID_MATCH_DEVICE,
569 .idVendor = 0x04DD,
570 .idProduct = 0x8006,
571 ZAURUS_MASTER_INTERFACE,
572 .driver_info = 0,
573}, {
574 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
575 | USB_DEVICE_ID_MATCH_DEVICE,
576 .idVendor = 0x04DD,
577 .idProduct = 0x8007,
578 ZAURUS_MASTER_INTERFACE,
579 .driver_info = 0,
580}, {
581 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
582 | USB_DEVICE_ID_MATCH_DEVICE,
583 .idVendor = 0x04DD,
584 .idProduct = 0x9031,
585 ZAURUS_MASTER_INTERFACE,
586 .driver_info = 0,
587}, {
588 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
589 | USB_DEVICE_ID_MATCH_DEVICE,
590 .idVendor = 0x04DD,
591 .idProduct = 0x9032,
592 ZAURUS_MASTER_INTERFACE,
593 .driver_info = 0,
594}, {
595 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
596 | USB_DEVICE_ID_MATCH_DEVICE,
597 .idVendor = 0x04DD,
598
599 .idProduct = 0x9050,
600 ZAURUS_MASTER_INTERFACE,
601 .driver_info = 0,
602},
603
604
605
606
607{
608 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
609 | USB_DEVICE_ID_MATCH_DEVICE,
610 .idVendor = 0x07B4,
611 .idProduct = 0x0F02,
612 ZAURUS_MASTER_INTERFACE,
613 .driver_info = 0,
614},
615
616
617{
618 USB_DEVICE_AND_INTERFACE_INFO(0x1004, 0x61aa, USB_CLASS_COMM,
619 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
620 .driver_info = 0,
621},
622
623
624{
625 USB_DEVICE_AND_INTERFACE_INFO(0x046d, 0xc11f, USB_CLASS_COMM,
626 USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE),
627 .driver_info = 0,
628},
629
630
631{
632 USB_DEVICE_AND_INTERFACE_INFO(NOVATEL_VENDOR_ID, 0xB001, USB_CLASS_COMM,
633 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
634 .driver_info = 0,
635},
636
637
638{
639 USB_DEVICE_AND_INTERFACE_INFO(NOVATEL_VENDOR_ID, 0x9010, USB_CLASS_COMM,
640 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
641 .driver_info = 0,
642},
643
644
645{
646 USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, 0x8195, USB_CLASS_COMM,
647 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
648 .driver_info = 0,
649},
650
651
652{
653 USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, 0x8196, USB_CLASS_COMM,
654 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
655 .driver_info = 0,
656},
657
658
659{
660 USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, 0x819b, USB_CLASS_COMM,
661 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
662 .driver_info = 0,
663},
664
665
666{
667 USB_DEVICE_AND_INTERFACE_INFO(NOVATEL_VENDOR_ID, 0x9011, USB_CLASS_COMM,
668 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
669 .driver_info = 0,
670},
671
672
673{
674 USB_DEVICE_AND_INTERFACE_INFO(0x16d5, 0x650a, USB_CLASS_COMM,
675 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
676 .driver_info = 0,
677},
678
679
680{
681 USB_DEVICE_INTERFACE_NUMBER(HUAWEI_VENDOR_ID, 0x14ac, 1),
682 .driver_info = 0,
683},
684
685
686{
687 USB_DEVICE_AND_INTERFACE_INFO(REALTEK_VENDOR_ID, 0x8152, USB_CLASS_COMM,
688 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
689 .driver_info = 0,
690},
691
692
693{
694 USB_DEVICE_AND_INTERFACE_INFO(REALTEK_VENDOR_ID, 0x8153, USB_CLASS_COMM,
695 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
696 .driver_info = 0,
697},
698
699
700{
701 USB_DEVICE_AND_INTERFACE_INFO(SAMSUNG_VENDOR_ID, 0xa101, USB_CLASS_COMM,
702 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
703 .driver_info = 0,
704},
705
706
707{
708 USB_DEVICE_AND_INTERFACE_INFO(LENOVO_VENDOR_ID, 0x7205, USB_CLASS_COMM,
709 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
710 .driver_info = 0,
711},
712
713
714
715
716
717
718
719
720
721
722
723{
724
725 USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1003, USB_CLASS_COMM,
726 USB_CDC_SUBCLASS_ETHERNET,
727 USB_CDC_PROTO_NONE),
728 .driver_info = (unsigned long)&wwan_info,
729}, {
730
731 USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1015, USB_CLASS_COMM,
732 USB_CDC_SUBCLASS_ETHERNET,
733 USB_CDC_PROTO_NONE),
734 .driver_info = (unsigned long)&wwan_info,
735}, {
736
737 USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1173, USB_CLASS_COMM,
738 USB_CDC_SUBCLASS_ETHERNET,
739 USB_CDC_PROTO_NONE),
740 .driver_info = (unsigned long)&wwan_info,
741}, {
742
743 USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1177, USB_CLASS_COMM,
744 USB_CDC_SUBCLASS_ETHERNET,
745 USB_CDC_PROTO_NONE),
746 .driver_info = (unsigned long)&wwan_info,
747}, {
748
749 USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1181, USB_CLASS_COMM,
750 USB_CDC_SUBCLASS_ETHERNET,
751 USB_CDC_PROTO_NONE),
752 .driver_info = (unsigned long)&wwan_info,
753}, {
754
755 USB_VENDOR_AND_INTERFACE_INFO(0x1bc7, USB_CLASS_COMM,
756 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
757 .driver_info = (kernel_ulong_t) &wwan_info,
758}, {
759 USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_ETHERNET,
760 USB_CDC_PROTO_NONE),
761 .driver_info = (unsigned long) &cdc_info,
762}, {
763 USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_MDLM,
764 USB_CDC_PROTO_NONE),
765 .driver_info = (unsigned long)&wwan_info,
766
767}, {
768
769 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_COMM,
770 USB_CDC_SUBCLASS_ETHERNET, 255),
771 .driver_info = (unsigned long)&wwan_info,
772},
773 { },
774};
775MODULE_DEVICE_TABLE(usb, products);
776
777static struct usb_driver cdc_driver = {
778 .name = "cdc_ether",
779 .id_table = products,
780 .probe = usbnet_probe,
781 .disconnect = usbnet_disconnect,
782 .suspend = usbnet_suspend,
783 .resume = usbnet_resume,
784 .reset_resume = usbnet_resume,
785 .supports_autosuspend = 1,
786 .disable_hub_initiated_lpm = 1,
787};
788
789module_usb_driver(cdc_driver);
790
791MODULE_AUTHOR("David Brownell");
792MODULE_DESCRIPTION("USB CDC Ethernet devices");
793MODULE_LICENSE("GPL");
794