2 * CDC Ethernet based networking peripherals
3 * Copyright (C) 2003-2005 by David Brownell
4 * Copyright (C) 2006 by Ole Andre Vadla Ravnas (ActiveSync)
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.
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.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, see <http://www.gnu.org/licenses/>.
20 // #define DEBUG // error path messages, extra info
21 // #define VERBOSE // more; success messages
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>
34 #if IS_ENABLED(CONFIG_USB_NET_RNDIS_HOST)
36 static int is_rndis(struct usb_interface_descriptor *desc)
38 return (desc->bInterfaceClass == USB_CLASS_COMM &&
39 desc->bInterfaceSubClass == 2 &&
40 desc->bInterfaceProtocol == 0xff);
43 static int is_activesync(struct usb_interface_descriptor *desc)
45 return (desc->bInterfaceClass == USB_CLASS_MISC &&
46 desc->bInterfaceSubClass == 1 &&
47 desc->bInterfaceProtocol == 1);
50 static int is_wireless_rndis(struct usb_interface_descriptor *desc)
52 return (desc->bInterfaceClass == USB_CLASS_WIRELESS_CONTROLLER &&
53 desc->bInterfaceSubClass == 1 &&
54 desc->bInterfaceProtocol == 3);
59 #define is_rndis(desc) 0
60 #define is_activesync(desc) 0
61 #define is_wireless_rndis(desc) 0
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,
70 static void usbnet_cdc_update_filter(struct usbnet *dev)
72 struct cdc_state *info = (void *) &dev->data;
73 struct usb_interface *intf = info->control;
76 USB_CDC_PACKET_TYPE_ALL_MULTICAST | USB_CDC_PACKET_TYPE_DIRECTED |
77 USB_CDC_PACKET_TYPE_BROADCAST;
79 if (dev->net->flags & IFF_PROMISC)
80 cdc_filter |= USB_CDC_PACKET_TYPE_PROMISCUOUS;
82 /* FIXME cdc-ether has some multicast code too, though it complains
83 * in routine cases. info->ether describes the multicast support.
84 * Implement that here, manipulating the cdc filter as needed.
87 usb_control_msg(dev->udev,
88 usb_sndctrlpipe(dev->udev, 0),
89 USB_CDC_SET_ETHERNET_PACKET_FILTER,
90 USB_TYPE_CLASS | USB_RECIP_INTERFACE,
92 intf->cur_altsetting->desc.bInterfaceNumber,
99 /* probes control interface, claims data interface, collects the bulk
100 * endpoints, activates data interface (if needed), maybe sets MTU.
101 * all pure cdc, except for certain firmware workarounds, and knowing
102 * that rndis uses one different rule.
104 int usbnet_generic_cdc_bind(struct usbnet *dev, struct usb_interface *intf)
106 u8 *buf = intf->cur_altsetting->extra;
107 int len = intf->cur_altsetting->extralen;
108 struct usb_interface_descriptor *d;
109 struct cdc_state *info = (void *) &dev->data;
112 bool android_rndis_quirk = false;
113 struct usb_driver *driver = driver_of(intf);
114 struct usb_cdc_mdlm_desc *desc = NULL;
115 struct usb_cdc_mdlm_detail_desc *detail = NULL;
117 if (sizeof(dev->data) < sizeof(*info))
120 /* expect strict spec conformance for the descriptors, but
121 * cope with firmware which stores them in the wrong place
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
127 buf = dev->udev->actconfig->extra;
128 len = dev->udev->actconfig->extralen;
129 dev_dbg(&intf->dev, "CDC descriptors on config\n");
132 /* Maybe CDC descriptors are after the endpoint? This bug has
133 * been seen on some 2Wire Inc RNDIS-ish products.
136 struct usb_host_endpoint *hep;
138 hep = intf->cur_altsetting->endpoint;
145 "CDC descriptors on endpoint\n");
148 /* this assumes that if there's a non-RNDIS vendor variant
149 * of cdc-acm, it'll fail RNDIS requests cleanly.
151 rndis = (is_rndis(&intf->cur_altsetting->desc) ||
152 is_activesync(&intf->cur_altsetting->desc) ||
153 is_wireless_rndis(&intf->cur_altsetting->desc));
155 memset(info, 0, sizeof(*info));
156 info->control = intf;
158 if (buf[1] != USB_DT_CS_INTERFACE)
161 /* use bDescriptorSubType to identify the CDC descriptors.
162 * We expect devices with CDC header and union descriptors.
163 * For CDC Ethernet we need the ethernet descriptor.
164 * For RNDIS, ignore two (pointless) CDC modem descriptors
165 * in favor of a complicated OID-based RPC scheme doing what
166 * CDC Ethernet achieves with a simple descriptor.
169 case USB_CDC_HEADER_TYPE:
171 dev_dbg(&intf->dev, "extra CDC header\n");
174 info->header = (void *) buf;
175 if (info->header->bLength != sizeof(*info->header)) {
176 dev_dbg(&intf->dev, "CDC header len %u\n",
177 info->header->bLength);
181 case USB_CDC_ACM_TYPE:
182 /* paranoia: disambiguate a "real" vendor-specific
183 * modem interface from an RNDIS non-modem.
186 struct usb_cdc_acm_descriptor *acm;
189 if (acm->bmCapabilities) {
191 "ACM capabilities %02x, "
192 "not really RNDIS?\n",
193 acm->bmCapabilities);
198 case USB_CDC_UNION_TYPE:
200 dev_dbg(&intf->dev, "extra CDC union\n");
203 info->u = (void *) buf;
204 if (info->u->bLength != sizeof(*info->u)) {
205 dev_dbg(&intf->dev, "CDC union len %u\n",
210 /* we need a master/control interface (what we're
211 * probed with) and a slave/data interface; union
212 * descriptors sort this all out.
214 info->control = usb_ifnum_to_if(dev->udev,
215 info->u->bMasterInterface0);
216 info->data = usb_ifnum_to_if(dev->udev,
217 info->u->bSlaveInterface0);
218 if (!info->control || !info->data) {
220 "master #%u/%p slave #%u/%p\n",
221 info->u->bMasterInterface0,
223 info->u->bSlaveInterface0,
225 /* fall back to hard-wiring for RNDIS */
227 android_rndis_quirk = true;
232 if (info->control != intf) {
233 dev_dbg(&intf->dev, "bogus CDC Union\n");
234 /* Ambit USB Cable Modem (and maybe others)
235 * interchanges master and slave interface.
237 if (info->data == intf) {
238 info->data = info->control;
239 info->control = intf;
244 /* some devices merge these - skip class check */
245 if (info->control == info->data)
248 /* a data interface altsetting does the real i/o */
249 d = &info->data->cur_altsetting->desc;
250 if (d->bInterfaceClass != USB_CLASS_CDC_DATA) {
251 dev_dbg(&intf->dev, "slave class %u\n",
256 case USB_CDC_ETHERNET_TYPE:
258 dev_dbg(&intf->dev, "extra CDC ether\n");
261 info->ether = (void *) buf;
262 if (info->ether->bLength != sizeof(*info->ether)) {
263 dev_dbg(&intf->dev, "CDC ether len %u\n",
264 info->ether->bLength);
267 dev->hard_mtu = le16_to_cpu(
268 info->ether->wMaxSegmentSize);
269 /* because of Zaurus, we may be ignoring the host
270 * side link address we were given.
273 case USB_CDC_MDLM_TYPE:
275 dev_dbg(&intf->dev, "extra MDLM descriptor\n");
281 if (desc->bLength != sizeof(*desc))
284 if (memcmp(&desc->bGUID, mbm_guid, 16))
287 case USB_CDC_MDLM_DETAIL_TYPE:
289 dev_dbg(&intf->dev, "extra MDLM detail descriptor\n");
293 detail = (void *)buf;
295 if (detail->bGuidDescriptorType == 0) {
296 if (detail->bLength < (sizeof(*detail) + 1))
303 len -= buf[0]; /* bLength */
307 /* Microsoft ActiveSync based and some regular RNDIS devices lack the
308 * CDC descriptors, so we'll hard-wire the interfaces and not check
311 * Some Android RNDIS devices have a CDC Union descriptor pointing
312 * to non-existing interfaces. Ignore that and attempt the same
313 * hard-wired 0 and 1 interfaces.
315 if (rndis && (!info->u || android_rndis_quirk)) {
316 info->control = usb_ifnum_to_if(dev->udev, 0);
317 info->data = usb_ifnum_to_if(dev->udev, 1);
318 if (!info->control || !info->data || info->control != intf) {
320 "rndis: master #0/%p slave #1/%p\n",
326 } else if (!info->header || !info->u || (!rndis && !info->ether)) {
327 dev_dbg(&intf->dev, "missing cdc %s%s%sdescriptor\n",
328 info->header ? "" : "header ",
329 info->u ? "" : "union ",
330 info->ether ? "" : "ether ");
334 /* claim data interface and set it up ... with side effects.
335 * network traffic can't flow until an altsetting is enabled.
337 if (info->data != info->control) {
338 status = usb_driver_claim_interface(driver, info->data, dev);
342 status = usbnet_get_endpoints(dev, info->data);
344 /* ensure immediate exit from usbnet_disconnect */
345 usb_set_intfdata(info->data, NULL);
346 if (info->data != info->control)
347 usb_driver_release_interface(driver, info->data);
351 /* status endpoint: optional for CDC Ethernet, not RNDIS (or ACM) */
352 if (info->data != info->control)
354 if (info->control->cur_altsetting->desc.bNumEndpoints == 1) {
355 struct usb_endpoint_descriptor *desc;
357 dev->status = &info->control->cur_altsetting->endpoint [0];
358 desc = &dev->status->desc;
359 if (!usb_endpoint_is_int_in(desc) ||
360 (le16_to_cpu(desc->wMaxPacketSize)
361 < sizeof(struct usb_cdc_notification)) ||
363 dev_dbg(&intf->dev, "bad notification endpoint\n");
367 if (rndis && !dev->status) {
368 dev_dbg(&intf->dev, "missing RNDIS status endpoint\n");
369 usb_set_intfdata(info->data, NULL);
370 usb_driver_release_interface(driver, info->data);
374 /* Some devices don't initialise properly. In particular
375 * the packet filter is not reset. There are devices that
376 * don't do reset all the way. So the packet filter should
377 * be set to a sane initial value.
379 usbnet_cdc_update_filter(dev);
384 dev_info(&dev->udev->dev, "bad CDC descriptors\n");
387 EXPORT_SYMBOL_GPL(usbnet_generic_cdc_bind);
389 void usbnet_cdc_unbind(struct usbnet *dev, struct usb_interface *intf)
391 struct cdc_state *info = (void *) &dev->data;
392 struct usb_driver *driver = driver_of(intf);
394 /* combined interface - nothing to do */
395 if (info->data == info->control)
398 /* disconnect master --> disconnect slave */
399 if (intf == info->control && info->data) {
400 /* ensure immediate exit from usbnet_disconnect */
401 usb_set_intfdata(info->data, NULL);
402 usb_driver_release_interface(driver, info->data);
406 /* and vice versa (just in case) */
407 else if (intf == info->data && info->control) {
408 /* ensure immediate exit from usbnet_disconnect */
409 usb_set_intfdata(info->control, NULL);
410 usb_driver_release_interface(driver, info->control);
411 info->control = NULL;
414 EXPORT_SYMBOL_GPL(usbnet_cdc_unbind);
416 /* Communications Device Class, Ethernet Control model
418 * Takes two interfaces. The DATA interface is inactive till an altsetting
419 * is selected. Configuration data includes class descriptors. There's
420 * an optional status endpoint on the control interface.
422 * This should interop with whatever the 2.4 "CDCEther.c" driver
423 * (by Brad Hards) talked with, with more functionality.
426 static void dumpspeed(struct usbnet *dev, __le32 *speeds)
428 netif_info(dev, timer, dev->net,
429 "link speeds: %u kbps up, %u kbps down\n",
430 __le32_to_cpu(speeds[0]) / 1000,
431 __le32_to_cpu(speeds[1]) / 1000);
434 void usbnet_cdc_status(struct usbnet *dev, struct urb *urb)
436 struct usb_cdc_notification *event;
438 if (urb->actual_length < sizeof(*event))
441 /* SPEED_CHANGE can get split into two 8-byte packets */
442 if (test_and_clear_bit(EVENT_STS_SPLIT, &dev->flags)) {
443 dumpspeed(dev, (__le32 *) urb->transfer_buffer);
447 event = urb->transfer_buffer;
448 switch (event->bNotificationType) {
449 case USB_CDC_NOTIFY_NETWORK_CONNECTION:
450 netif_dbg(dev, timer, dev->net, "CDC: carrier %s\n",
451 event->wValue ? "on" : "off");
452 usbnet_link_change(dev, !!event->wValue, 0);
454 case USB_CDC_NOTIFY_SPEED_CHANGE: /* tx/rx rates */
455 netif_dbg(dev, timer, dev->net, "CDC: speed change (len %d)\n",
457 if (urb->actual_length != (sizeof(*event) + 8))
458 set_bit(EVENT_STS_SPLIT, &dev->flags);
460 dumpspeed(dev, (__le32 *) &event[1]);
462 /* USB_CDC_NOTIFY_RESPONSE_AVAILABLE can happen too (e.g. RNDIS),
463 * but there are no standard formats for the response data.
466 netdev_err(dev->net, "CDC: unexpected notification %02x!\n",
467 event->bNotificationType);
471 EXPORT_SYMBOL_GPL(usbnet_cdc_status);
473 int usbnet_cdc_bind(struct usbnet *dev, struct usb_interface *intf)
476 struct cdc_state *info = (void *) &dev->data;
478 BUILD_BUG_ON((sizeof(((struct usbnet *)0)->data)
479 < sizeof(struct cdc_state)));
481 status = usbnet_generic_cdc_bind(dev, intf);
485 status = usbnet_get_ethernet_addr(dev, info->ether->iMACAddress);
487 usb_set_intfdata(info->data, NULL);
488 usb_driver_release_interface(driver_of(intf), info->data);
494 EXPORT_SYMBOL_GPL(usbnet_cdc_bind);
496 static const struct driver_info cdc_info = {
497 .description = "CDC Ethernet Device",
498 .flags = FLAG_ETHER | FLAG_POINTTOPOINT,
499 .bind = usbnet_cdc_bind,
500 .unbind = usbnet_cdc_unbind,
501 .status = usbnet_cdc_status,
502 .set_rx_mode = usbnet_cdc_update_filter,
503 .manage_power = usbnet_manage_power,
506 static const struct driver_info wwan_info = {
507 .description = "Mobile Broadband Network Device",
509 .bind = usbnet_cdc_bind,
510 .unbind = usbnet_cdc_unbind,
511 .status = usbnet_cdc_status,
512 .set_rx_mode = usbnet_cdc_update_filter,
513 .manage_power = usbnet_manage_power,
516 /*-------------------------------------------------------------------------*/
518 #define HUAWEI_VENDOR_ID 0x12D1
519 #define NOVATEL_VENDOR_ID 0x1410
520 #define ZTE_VENDOR_ID 0x19D2
521 #define DELL_VENDOR_ID 0x413C
522 #define REALTEK_VENDOR_ID 0x0bda
523 #define SAMSUNG_VENDOR_ID 0x04e8
525 static const struct usb_device_id products[] = {
528 * First blacklist any products that are egregiously nonconformant
529 * with the CDC Ethernet specs. Minor braindamage we cope with; when
530 * they're not even trying, needing a separate driver is only the first
531 * of the differences to show up.
534 #define ZAURUS_MASTER_INTERFACE \
535 .bInterfaceClass = USB_CLASS_COMM, \
536 .bInterfaceSubClass = USB_CDC_SUBCLASS_ETHERNET, \
537 .bInterfaceProtocol = USB_CDC_PROTO_NONE
539 /* SA-1100 based Sharp Zaurus ("collie"), or compatible;
540 * wire-incompatible with true CDC Ethernet implementations.
541 * (And, it seems, needlessly so...)
544 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
545 | USB_DEVICE_ID_MATCH_DEVICE,
548 ZAURUS_MASTER_INTERFACE,
552 /* PXA-25x based Sharp Zaurii. Note that it seems some of these
553 * (later models especially) may have shipped only with firmware
554 * advertising false "CDC MDLM" compatibility ... but we're not
555 * clear which models did that, so for now let's assume the worst.
558 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
559 | USB_DEVICE_ID_MATCH_DEVICE,
561 .idProduct = 0x8005, /* A-300 */
562 ZAURUS_MASTER_INTERFACE,
565 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
566 | USB_DEVICE_ID_MATCH_DEVICE,
568 .idProduct = 0x8006, /* B-500/SL-5600 */
569 ZAURUS_MASTER_INTERFACE,
572 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
573 | USB_DEVICE_ID_MATCH_DEVICE,
575 .idProduct = 0x8007, /* C-700 */
576 ZAURUS_MASTER_INTERFACE,
579 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
580 | USB_DEVICE_ID_MATCH_DEVICE,
582 .idProduct = 0x9031, /* C-750 C-760 */
583 ZAURUS_MASTER_INTERFACE,
586 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
587 | USB_DEVICE_ID_MATCH_DEVICE,
589 .idProduct = 0x9032, /* SL-6000 */
590 ZAURUS_MASTER_INTERFACE,
593 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
594 | USB_DEVICE_ID_MATCH_DEVICE,
596 /* reported with some C860 units */
597 .idProduct = 0x9050, /* C-860 */
598 ZAURUS_MASTER_INTERFACE,
602 /* Olympus has some models with a Zaurus-compatible option.
603 * R-1000 uses a FreeScale i.MXL cpu (ARMv4T)
606 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
607 | USB_DEVICE_ID_MATCH_DEVICE,
609 .idProduct = 0x0F02, /* R-1000 */
610 ZAURUS_MASTER_INTERFACE,
614 /* LG Electronics VL600 wants additional headers on every frame */
616 USB_DEVICE_AND_INTERFACE_INFO(0x1004, 0x61aa, USB_CLASS_COMM,
617 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
621 /* Logitech Harmony 900 - uses the pseudo-MDLM (BLAN) driver */
623 USB_DEVICE_AND_INTERFACE_INFO(0x046d, 0xc11f, USB_CLASS_COMM,
624 USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE),
628 /* Novatel USB551L and MC551 - handled by qmi_wwan */
630 USB_DEVICE_AND_INTERFACE_INFO(NOVATEL_VENDOR_ID, 0xB001, USB_CLASS_COMM,
631 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
635 /* Novatel E362 - handled by qmi_wwan */
637 USB_DEVICE_AND_INTERFACE_INFO(NOVATEL_VENDOR_ID, 0x9010, USB_CLASS_COMM,
638 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
642 /* Dell Wireless 5800 (Novatel E362) - handled by qmi_wwan */
644 USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, 0x8195, USB_CLASS_COMM,
645 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
649 /* Dell Wireless 5800 (Novatel E362) - handled by qmi_wwan */
651 USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, 0x8196, USB_CLASS_COMM,
652 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
656 /* Dell Wireless 5804 (Novatel E371) - handled by qmi_wwan */
658 USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, 0x819b, USB_CLASS_COMM,
659 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
663 /* Novatel Expedite E371 - handled by qmi_wwan */
665 USB_DEVICE_AND_INTERFACE_INFO(NOVATEL_VENDOR_ID, 0x9011, USB_CLASS_COMM,
666 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
670 /* AnyDATA ADU960S - handled by qmi_wwan */
672 USB_DEVICE_AND_INTERFACE_INFO(0x16d5, 0x650a, USB_CLASS_COMM,
673 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
677 /* Huawei E1820 - handled by qmi_wwan */
679 USB_DEVICE_INTERFACE_NUMBER(HUAWEI_VENDOR_ID, 0x14ac, 1),
683 /* Realtek RTL8152 Based USB 2.0 Ethernet Adapters */
685 USB_DEVICE_AND_INTERFACE_INFO(REALTEK_VENDOR_ID, 0x8152, USB_CLASS_COMM,
686 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
690 /* Realtek RTL8153 Based USB 3.0 Ethernet Adapters */
692 USB_DEVICE_AND_INTERFACE_INFO(REALTEK_VENDOR_ID, 0x8153, USB_CLASS_COMM,
693 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
697 /* Samsung USB Ethernet Adapters */
699 USB_DEVICE_AND_INTERFACE_INFO(SAMSUNG_VENDOR_ID, 0xa101, USB_CLASS_COMM,
700 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
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
711 * NOTE: this match must come AFTER entries blacklisting devices
712 * because of bugs/quirks in a given product (like Zaurus, above).
715 /* ZTE (Vodafone) K3805-Z */
716 USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1003, USB_CLASS_COMM,
717 USB_CDC_SUBCLASS_ETHERNET,
719 .driver_info = (unsigned long)&wwan_info,
721 /* ZTE (Vodafone) K3806-Z */
722 USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1015, USB_CLASS_COMM,
723 USB_CDC_SUBCLASS_ETHERNET,
725 .driver_info = (unsigned long)&wwan_info,
727 /* ZTE (Vodafone) K4510-Z */
728 USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1173, USB_CLASS_COMM,
729 USB_CDC_SUBCLASS_ETHERNET,
731 .driver_info = (unsigned long)&wwan_info,
733 /* ZTE (Vodafone) K3770-Z */
734 USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1177, USB_CLASS_COMM,
735 USB_CDC_SUBCLASS_ETHERNET,
737 .driver_info = (unsigned long)&wwan_info,
739 /* ZTE (Vodafone) K3772-Z */
740 USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1181, USB_CLASS_COMM,
741 USB_CDC_SUBCLASS_ETHERNET,
743 .driver_info = (unsigned long)&wwan_info,
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,
750 USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_ETHERNET,
752 .driver_info = (unsigned long) &cdc_info,
754 USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_MDLM,
756 .driver_info = (unsigned long)&wwan_info,
759 /* Various Huawei modems with a network port like the UMG1831 */
760 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_COMM,
761 USB_CDC_SUBCLASS_ETHERNET, 255),
762 .driver_info = (unsigned long)&wwan_info,
766 MODULE_DEVICE_TABLE(usb, products);
768 static struct usb_driver cdc_driver = {
770 .id_table = products,
771 .probe = usbnet_probe,
772 .disconnect = usbnet_disconnect,
773 .suspend = usbnet_suspend,
774 .resume = usbnet_resume,
775 .reset_resume = usbnet_resume,
776 .supports_autosuspend = 1,
777 .disable_hub_initiated_lpm = 1,
780 module_usb_driver(cdc_driver);
782 MODULE_AUTHOR("David Brownell");
783 MODULE_DESCRIPTION("USB CDC Ethernet devices");
784 MODULE_LICENSE("GPL");