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;
74 struct net_device *net = dev->net;
76 u16 cdc_filter = USB_CDC_PACKET_TYPE_DIRECTED
77 | USB_CDC_PACKET_TYPE_BROADCAST;
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
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;
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,
93 intf->cur_altsetting->desc.bInterfaceNumber,
100 /* probes control interface, claims data interface, collects the bulk
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.
105 int usbnet_generic_cdc_bind(struct usbnet *dev, struct usb_interface *intf)
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;
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;
118 if (sizeof(dev->data) < sizeof(*info))
121 /* expect strict spec conformance for the descriptors, but
122 * cope with firmware which stores them in the wrong place
124 if (len == 0 && dev->udev->actconfig->extralen) {
125 /* Motorola SB4100 (and others: Brad Hards says it's
126 * from a Broadcom design) put CDC descriptors here
128 buf = dev->udev->actconfig->extra;
129 len = dev->udev->actconfig->extralen;
130 dev_dbg(&intf->dev, "CDC descriptors on config\n");
133 /* Maybe CDC descriptors are after the endpoint? This bug has
134 * been seen on some 2Wire Inc RNDIS-ish products.
137 struct usb_host_endpoint *hep;
139 hep = intf->cur_altsetting->endpoint;
146 "CDC descriptors on endpoint\n");
149 /* this assumes that if there's a non-RNDIS vendor variant
150 * of cdc-acm, it'll fail RNDIS requests cleanly.
152 rndis = (is_rndis(&intf->cur_altsetting->desc) ||
153 is_activesync(&intf->cur_altsetting->desc) ||
154 is_wireless_rndis(&intf->cur_altsetting->desc));
156 memset(info, 0, sizeof(*info));
157 info->control = intf;
159 if (buf[1] != USB_DT_CS_INTERFACE)
162 /* use bDescriptorSubType to identify the CDC descriptors.
163 * We expect devices with CDC header and union descriptors.
164 * For CDC Ethernet we need the ethernet descriptor.
165 * For RNDIS, ignore two (pointless) CDC modem descriptors
166 * in favor of a complicated OID-based RPC scheme doing what
167 * CDC Ethernet achieves with a simple descriptor.
170 case USB_CDC_HEADER_TYPE:
172 dev_dbg(&intf->dev, "extra CDC header\n");
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);
182 case USB_CDC_ACM_TYPE:
183 /* paranoia: disambiguate a "real" vendor-specific
184 * modem interface from an RNDIS non-modem.
187 struct usb_cdc_acm_descriptor *acm;
190 if (acm->bmCapabilities) {
192 "ACM capabilities %02x, "
193 "not really RNDIS?\n",
194 acm->bmCapabilities);
199 case USB_CDC_UNION_TYPE:
201 dev_dbg(&intf->dev, "extra CDC union\n");
204 info->u = (void *) buf;
205 if (info->u->bLength != sizeof(*info->u)) {
206 dev_dbg(&intf->dev, "CDC union len %u\n",
211 /* we need a master/control interface (what we're
212 * probed with) and a slave/data interface; union
213 * descriptors sort this all out.
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) {
221 "master #%u/%p slave #%u/%p\n",
222 info->u->bMasterInterface0,
224 info->u->bSlaveInterface0,
226 /* fall back to hard-wiring for RNDIS */
228 android_rndis_quirk = true;
233 if (info->control != intf) {
234 dev_dbg(&intf->dev, "bogus CDC Union\n");
235 /* Ambit USB Cable Modem (and maybe others)
236 * interchanges master and slave interface.
238 if (info->data == intf) {
239 info->data = info->control;
240 info->control = intf;
245 /* some devices merge these - skip class check */
246 if (info->control == info->data)
249 /* a data interface altsetting does the real i/o */
250 d = &info->data->cur_altsetting->desc;
251 if (d->bInterfaceClass != USB_CLASS_CDC_DATA) {
252 dev_dbg(&intf->dev, "slave class %u\n",
257 case USB_CDC_ETHERNET_TYPE:
259 dev_dbg(&intf->dev, "extra CDC ether\n");
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);
268 dev->hard_mtu = le16_to_cpu(
269 info->ether->wMaxSegmentSize);
270 /* because of Zaurus, we may be ignoring the host
271 * side link address we were given.
274 case USB_CDC_MDLM_TYPE:
276 dev_dbg(&intf->dev, "extra MDLM descriptor\n");
282 if (desc->bLength != sizeof(*desc))
285 if (memcmp(&desc->bGUID, mbm_guid, 16))
288 case USB_CDC_MDLM_DETAIL_TYPE:
290 dev_dbg(&intf->dev, "extra MDLM detail descriptor\n");
294 detail = (void *)buf;
296 if (detail->bGuidDescriptorType == 0) {
297 if (detail->bLength < (sizeof(*detail) + 1))
304 len -= buf[0]; /* bLength */
308 /* Microsoft ActiveSync based and some regular RNDIS devices lack the
309 * CDC descriptors, so we'll hard-wire the interfaces and not check
312 * Some Android RNDIS devices have a CDC Union descriptor pointing
313 * to non-existing interfaces. Ignore that and attempt the same
314 * hard-wired 0 and 1 interfaces.
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) {
321 "rndis: master #0/%p slave #1/%p\n",
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 ");
335 /* claim data interface and set it up ... with side effects.
336 * network traffic can't flow until an altsetting is enabled.
338 if (info->data != info->control) {
339 status = usb_driver_claim_interface(driver, info->data, dev);
343 status = usbnet_get_endpoints(dev, info->data);
345 /* ensure immediate exit from usbnet_disconnect */
346 usb_set_intfdata(info->data, NULL);
347 if (info->data != info->control)
348 usb_driver_release_interface(driver, info->data);
352 /* status endpoint: optional for CDC Ethernet, not RNDIS (or ACM) */
353 if (info->data != info->control)
355 if (info->control->cur_altsetting->desc.bNumEndpoints == 1) {
356 struct usb_endpoint_descriptor *desc;
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)) ||
364 dev_dbg(&intf->dev, "bad notification endpoint\n");
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);
375 /* Some devices don't initialise properly. In particular
376 * the packet filter is not reset. There are devices that
377 * don't do reset all the way. So the packet filter should
378 * be set to a sane initial value.
380 usbnet_cdc_update_filter(dev);
385 dev_info(&dev->udev->dev, "bad CDC descriptors\n");
388 EXPORT_SYMBOL_GPL(usbnet_generic_cdc_bind);
390 void usbnet_cdc_unbind(struct usbnet *dev, struct usb_interface *intf)
392 struct cdc_state *info = (void *) &dev->data;
393 struct usb_driver *driver = driver_of(intf);
395 /* combined interface - nothing to do */
396 if (info->data == info->control)
399 /* disconnect master --> disconnect slave */
400 if (intf == info->control && info->data) {
401 /* ensure immediate exit from usbnet_disconnect */
402 usb_set_intfdata(info->data, NULL);
403 usb_driver_release_interface(driver, info->data);
407 /* and vice versa (just in case) */
408 else if (intf == info->data && info->control) {
409 /* ensure immediate exit from usbnet_disconnect */
410 usb_set_intfdata(info->control, NULL);
411 usb_driver_release_interface(driver, info->control);
412 info->control = NULL;
415 EXPORT_SYMBOL_GPL(usbnet_cdc_unbind);
417 /* Communications Device Class, Ethernet Control model
419 * Takes two interfaces. The DATA interface is inactive till an altsetting
420 * is selected. Configuration data includes class descriptors. There's
421 * an optional status endpoint on the control interface.
423 * This should interop with whatever the 2.4 "CDCEther.c" driver
424 * (by Brad Hards) talked with, with more functionality.
427 static void dumpspeed(struct usbnet *dev, __le32 *speeds)
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);
435 void usbnet_cdc_status(struct usbnet *dev, struct urb *urb)
437 struct usb_cdc_notification *event;
439 if (urb->actual_length < sizeof(*event))
442 /* SPEED_CHANGE can get split into two 8-byte packets */
443 if (test_and_clear_bit(EVENT_STS_SPLIT, &dev->flags)) {
444 dumpspeed(dev, (__le32 *) urb->transfer_buffer);
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);
455 case USB_CDC_NOTIFY_SPEED_CHANGE: /* tx/rx rates */
456 netif_dbg(dev, timer, dev->net, "CDC: speed change (len %d)\n",
458 if (urb->actual_length != (sizeof(*event) + 8))
459 set_bit(EVENT_STS_SPLIT, &dev->flags);
461 dumpspeed(dev, (__le32 *) &event[1]);
463 /* USB_CDC_NOTIFY_RESPONSE_AVAILABLE can happen too (e.g. RNDIS),
464 * but there are no standard formats for the response data.
467 netdev_err(dev->net, "CDC: unexpected notification %02x!\n",
468 event->bNotificationType);
472 EXPORT_SYMBOL_GPL(usbnet_cdc_status);
474 int usbnet_cdc_bind(struct usbnet *dev, struct usb_interface *intf)
477 struct cdc_state *info = (void *) &dev->data;
479 BUILD_BUG_ON((sizeof(((struct usbnet *)0)->data)
480 < sizeof(struct cdc_state)));
482 status = usbnet_generic_cdc_bind(dev, intf);
486 status = usbnet_get_ethernet_addr(dev, info->ether->iMACAddress);
488 usb_set_intfdata(info->data, NULL);
489 usb_driver_release_interface(driver_of(intf), info->data);
495 EXPORT_SYMBOL_GPL(usbnet_cdc_bind);
497 static 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,
507 static const struct driver_info wwan_info = {
508 .description = "Mobile Broadband Network Device",
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,
517 /*-------------------------------------------------------------------------*/
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
526 static const struct usb_device_id products[] = {
529 * First blacklist any products that are egregiously nonconformant
530 * with the CDC Ethernet specs. Minor braindamage we cope with; when
531 * they're not even trying, needing a separate driver is only the first
532 * of the differences to show up.
535 #define ZAURUS_MASTER_INTERFACE \
536 .bInterfaceClass = USB_CLASS_COMM, \
537 .bInterfaceSubClass = USB_CDC_SUBCLASS_ETHERNET, \
538 .bInterfaceProtocol = USB_CDC_PROTO_NONE
540 /* SA-1100 based Sharp Zaurus ("collie"), or compatible;
541 * wire-incompatible with true CDC Ethernet implementations.
542 * (And, it seems, needlessly so...)
545 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
546 | USB_DEVICE_ID_MATCH_DEVICE,
549 ZAURUS_MASTER_INTERFACE,
553 /* PXA-25x based Sharp Zaurii. Note that it seems some of these
554 * (later models especially) may have shipped only with firmware
555 * advertising false "CDC MDLM" compatibility ... but we're not
556 * clear which models did that, so for now let's assume the worst.
559 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
560 | USB_DEVICE_ID_MATCH_DEVICE,
562 .idProduct = 0x8005, /* A-300 */
563 ZAURUS_MASTER_INTERFACE,
566 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
567 | USB_DEVICE_ID_MATCH_DEVICE,
569 .idProduct = 0x8006, /* B-500/SL-5600 */
570 ZAURUS_MASTER_INTERFACE,
573 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
574 | USB_DEVICE_ID_MATCH_DEVICE,
576 .idProduct = 0x8007, /* C-700 */
577 ZAURUS_MASTER_INTERFACE,
580 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
581 | USB_DEVICE_ID_MATCH_DEVICE,
583 .idProduct = 0x9031, /* C-750 C-760 */
584 ZAURUS_MASTER_INTERFACE,
587 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
588 | USB_DEVICE_ID_MATCH_DEVICE,
590 .idProduct = 0x9032, /* SL-6000 */
591 ZAURUS_MASTER_INTERFACE,
594 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
595 | USB_DEVICE_ID_MATCH_DEVICE,
597 /* reported with some C860 units */
598 .idProduct = 0x9050, /* C-860 */
599 ZAURUS_MASTER_INTERFACE,
603 /* Olympus has some models with a Zaurus-compatible option.
604 * R-1000 uses a FreeScale i.MXL cpu (ARMv4T)
607 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
608 | USB_DEVICE_ID_MATCH_DEVICE,
610 .idProduct = 0x0F02, /* R-1000 */
611 ZAURUS_MASTER_INTERFACE,
615 /* LG Electronics VL600 wants additional headers on every frame */
617 USB_DEVICE_AND_INTERFACE_INFO(0x1004, 0x61aa, USB_CLASS_COMM,
618 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
622 /* Logitech Harmony 900 - uses the pseudo-MDLM (BLAN) driver */
624 USB_DEVICE_AND_INTERFACE_INFO(0x046d, 0xc11f, USB_CLASS_COMM,
625 USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE),
629 /* Novatel USB551L and MC551 - handled by qmi_wwan */
631 USB_DEVICE_AND_INTERFACE_INFO(NOVATEL_VENDOR_ID, 0xB001, USB_CLASS_COMM,
632 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
636 /* Novatel E362 - handled by qmi_wwan */
638 USB_DEVICE_AND_INTERFACE_INFO(NOVATEL_VENDOR_ID, 0x9010, USB_CLASS_COMM,
639 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
643 /* Dell Wireless 5800 (Novatel E362) - handled by qmi_wwan */
645 USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, 0x8195, USB_CLASS_COMM,
646 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
650 /* Dell Wireless 5800 (Novatel E362) - handled by qmi_wwan */
652 USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, 0x8196, USB_CLASS_COMM,
653 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
657 /* Dell Wireless 5804 (Novatel E371) - handled by qmi_wwan */
659 USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, 0x819b, USB_CLASS_COMM,
660 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
664 /* Novatel Expedite E371 - handled by qmi_wwan */
666 USB_DEVICE_AND_INTERFACE_INFO(NOVATEL_VENDOR_ID, 0x9011, USB_CLASS_COMM,
667 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
671 /* AnyDATA ADU960S - handled by qmi_wwan */
673 USB_DEVICE_AND_INTERFACE_INFO(0x16d5, 0x650a, USB_CLASS_COMM,
674 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
678 /* Huawei E1820 - handled by qmi_wwan */
680 USB_DEVICE_INTERFACE_NUMBER(HUAWEI_VENDOR_ID, 0x14ac, 1),
684 /* Realtek RTL8152 Based USB 2.0 Ethernet Adapters */
686 USB_DEVICE_AND_INTERFACE_INFO(REALTEK_VENDOR_ID, 0x8152, USB_CLASS_COMM,
687 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
691 /* Realtek RTL8153 Based USB 3.0 Ethernet Adapters */
693 USB_DEVICE_AND_INTERFACE_INFO(REALTEK_VENDOR_ID, 0x8153, USB_CLASS_COMM,
694 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
698 /* Samsung USB Ethernet Adapters */
700 USB_DEVICE_AND_INTERFACE_INFO(SAMSUNG_VENDOR_ID, 0xa101, USB_CLASS_COMM,
701 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
707 * CDC Ether uses two interfaces, not necessarily consecutive.
708 * We match the main interface, ignoring the optional device
709 * class so we could handle devices that aren't exclusively
712 * NOTE: this match must come AFTER entries blacklisting devices
713 * because of bugs/quirks in a given product (like Zaurus, above).
716 /* ZTE (Vodafone) K3805-Z */
717 USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1003, USB_CLASS_COMM,
718 USB_CDC_SUBCLASS_ETHERNET,
720 .driver_info = (unsigned long)&wwan_info,
722 /* ZTE (Vodafone) K3806-Z */
723 USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1015, USB_CLASS_COMM,
724 USB_CDC_SUBCLASS_ETHERNET,
726 .driver_info = (unsigned long)&wwan_info,
728 /* ZTE (Vodafone) K4510-Z */
729 USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1173, USB_CLASS_COMM,
730 USB_CDC_SUBCLASS_ETHERNET,
732 .driver_info = (unsigned long)&wwan_info,
734 /* ZTE (Vodafone) K3770-Z */
735 USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1177, USB_CLASS_COMM,
736 USB_CDC_SUBCLASS_ETHERNET,
738 .driver_info = (unsigned long)&wwan_info,
740 /* ZTE (Vodafone) K3772-Z */
741 USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1181, USB_CLASS_COMM,
742 USB_CDC_SUBCLASS_ETHERNET,
744 .driver_info = (unsigned long)&wwan_info,
747 USB_VENDOR_AND_INTERFACE_INFO(0x1bc7, USB_CLASS_COMM,
748 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),
749 .driver_info = (kernel_ulong_t) &wwan_info,
751 USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_ETHERNET,
753 .driver_info = (unsigned long) &cdc_info,
755 USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_MDLM,
757 .driver_info = (unsigned long)&wwan_info,
760 /* Various Huawei modems with a network port like the UMG1831 */
761 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_COMM,
762 USB_CDC_SUBCLASS_ETHERNET, 255),
763 .driver_info = (unsigned long)&wwan_info,
767 MODULE_DEVICE_TABLE(usb, products);
769 static struct usb_driver cdc_driver = {
771 .id_table = products,
772 .probe = usbnet_probe,
773 .disconnect = usbnet_disconnect,
774 .suspend = usbnet_suspend,
775 .resume = usbnet_resume,
776 .reset_resume = usbnet_resume,
777 .supports_autosuspend = 1,
778 .disable_hub_initiated_lpm = 1,
781 module_usb_driver(cdc_driver);
783 MODULE_AUTHOR("David Brownell");
784 MODULE_DESCRIPTION("USB CDC Ethernet devices");
785 MODULE_LICENSE("GPL");