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1// SPDX-License-Identifier: GPL-2.0-or-later2/*3 * CDC Ethernet based networking peripherals4 * Copyright (C) 2003-2005 by David Brownell5 * Copyright (C) 2006 by Ole Andre Vadla Ravnas (ActiveSync)6 */7 8// #define DEBUG // error path messages, extra info9// #define VERBOSE // more; success messages10 11#include <linux/module.h>12#include <linux/netdevice.h>13#include <linux/etherdevice.h>14#include <linux/ethtool.h>15#include <linux/workqueue.h>16#include <linux/mii.h>17#include <linux/usb.h>18#include <linux/usb/cdc.h>19#include <linux/usb/usbnet.h>20 21 22#if IS_ENABLED(CONFIG_USB_NET_RNDIS_HOST)23 24static int is_rndis(struct usb_interface_descriptor *desc)25{26 return (desc->bInterfaceClass == USB_CLASS_COMM &&27 desc->bInterfaceSubClass == 2 &&28 desc->bInterfaceProtocol == 0xff);29}30 31static int is_activesync(struct usb_interface_descriptor *desc)32{33 return (desc->bInterfaceClass == USB_CLASS_MISC &&34 desc->bInterfaceSubClass == 1 &&35 desc->bInterfaceProtocol == 1);36}37 38static int is_wireless_rndis(struct usb_interface_descriptor *desc)39{40 return (desc->bInterfaceClass == USB_CLASS_WIRELESS_CONTROLLER &&41 desc->bInterfaceSubClass == 1 &&42 desc->bInterfaceProtocol == 3);43}44 45static int is_novatel_rndis(struct usb_interface_descriptor *desc)46{47 return (desc->bInterfaceClass == USB_CLASS_MISC &&48 desc->bInterfaceSubClass == 4 &&49 desc->bInterfaceProtocol == 1);50}51 52#else53 54#define is_rndis(desc) 055#define is_activesync(desc) 056#define is_wireless_rndis(desc) 057#define is_novatel_rndis(desc) 058 59#endif60 61static const u8 mbm_guid[16] = {62 0xa3, 0x17, 0xa8, 0x8b, 0x04, 0x5e, 0x4f, 0x01,63 0xa6, 0x07, 0xc0, 0xff, 0xcb, 0x7e, 0x39, 0x2a,64};65 66void usbnet_cdc_update_filter(struct usbnet *dev)67{68 struct net_device *net = dev->net;69 70 u16 cdc_filter = USB_CDC_PACKET_TYPE_DIRECTED71 | USB_CDC_PACKET_TYPE_BROADCAST;72 73 /* filtering on the device is an optional feature and not worth74 * the hassle so we just roughly care about snooping and if any75 * multicast is requested, we take every multicast76 */77 if (net->flags & IFF_PROMISC)78 cdc_filter |= USB_CDC_PACKET_TYPE_PROMISCUOUS;79 if (!netdev_mc_empty(net) || (net->flags & IFF_ALLMULTI))80 cdc_filter |= USB_CDC_PACKET_TYPE_ALL_MULTICAST;81 82 usb_control_msg(dev->udev,83 usb_sndctrlpipe(dev->udev, 0),84 USB_CDC_SET_ETHERNET_PACKET_FILTER,85 USB_TYPE_CLASS | USB_RECIP_INTERFACE,86 cdc_filter,87 dev->intf->cur_altsetting->desc.bInterfaceNumber,88 NULL,89 0,90 USB_CTRL_SET_TIMEOUT91 );92}93EXPORT_SYMBOL_GPL(usbnet_cdc_update_filter);94 95/* We need to override usbnet_*_link_ksettings in bind() */96static const struct ethtool_ops cdc_ether_ethtool_ops = {97 .get_link = usbnet_get_link,98 .nway_reset = usbnet_nway_reset,99 .get_drvinfo = usbnet_get_drvinfo,100 .get_msglevel = usbnet_get_msglevel,101 .set_msglevel = usbnet_set_msglevel,102 .get_ts_info = ethtool_op_get_ts_info,103 .get_link_ksettings = usbnet_get_link_ksettings_internal,104 .set_link_ksettings = NULL,105};106 107/* probes control interface, claims data interface, collects the bulk108 * endpoints, activates data interface (if needed), maybe sets MTU.109 * all pure cdc, except for certain firmware workarounds, and knowing110 * that rndis uses one different rule.111 */112int usbnet_generic_cdc_bind(struct usbnet *dev, struct usb_interface *intf)113{114 u8 *buf = intf->cur_altsetting->extra;115 int len = intf->cur_altsetting->extralen;116 struct usb_interface_descriptor *d;117 struct cdc_state *info = (void *) &dev->data;118 int status;119 int rndis;120 bool android_rndis_quirk = false;121 struct usb_driver *driver = driver_of(intf);122 struct usb_cdc_parsed_header header;123 124 if (sizeof(dev->data) < sizeof(*info))125 return -EDOM;126 127 /* expect strict spec conformance for the descriptors, but128 * cope with firmware which stores them in the wrong place129 */130 if (len == 0 && dev->udev->actconfig->extralen) {131 /* Motorola SB4100 (and others: Brad Hards says it's132 * from a Broadcom design) put CDC descriptors here133 */134 buf = dev->udev->actconfig->extra;135 len = dev->udev->actconfig->extralen;136 dev_dbg(&intf->dev, "CDC descriptors on config\n");137 }138 139 /* Maybe CDC descriptors are after the endpoint? This bug has140 * been seen on some 2Wire Inc RNDIS-ish products.141 */142 if (len == 0) {143 struct usb_host_endpoint *hep;144 145 hep = intf->cur_altsetting->endpoint;146 if (hep) {147 buf = hep->extra;148 len = hep->extralen;149 }150 if (len)151 dev_dbg(&intf->dev,152 "CDC descriptors on endpoint\n");153 }154 155 /* this assumes that if there's a non-RNDIS vendor variant156 * of cdc-acm, it'll fail RNDIS requests cleanly.157 */158 rndis = (is_rndis(&intf->cur_altsetting->desc) ||159 is_activesync(&intf->cur_altsetting->desc) ||160 is_wireless_rndis(&intf->cur_altsetting->desc) ||161 is_novatel_rndis(&intf->cur_altsetting->desc));162 163 memset(info, 0, sizeof(*info));164 info->control = intf;165 166 cdc_parse_cdc_header(&header, intf, buf, len);167 168 info->u = header.usb_cdc_union_desc;169 info->header = header.usb_cdc_header_desc;170 info->ether = header.usb_cdc_ether_desc;171 if (!info->u) {172 if (rndis)173 goto skip;174 else /* in that case a quirk is mandatory */175 goto bad_desc;176 }177 /* we need a master/control interface (what we're178 * probed with) and a slave/data interface; union179 * descriptors sort this all out.180 */181 info->control = usb_ifnum_to_if(dev->udev, info->u->bMasterInterface0);182 info->data = usb_ifnum_to_if(dev->udev, info->u->bSlaveInterface0);183 if (!info->control || !info->data) {184 dev_dbg(&intf->dev,185 "master #%u/%p slave #%u/%p\n",186 info->u->bMasterInterface0,187 info->control,188 info->u->bSlaveInterface0,189 info->data);190 /* fall back to hard-wiring for RNDIS */191 if (rndis) {192 android_rndis_quirk = true;193 goto skip;194 }195 goto bad_desc;196 }197 if (info->control != intf) {198 dev_dbg(&intf->dev, "bogus CDC Union\n");199 /* Ambit USB Cable Modem (and maybe others)200 * interchanges master and slave interface.201 */202 if (info->data == intf) {203 info->data = info->control;204 info->control = intf;205 } else206 goto bad_desc;207 }208 209 /* some devices merge these - skip class check */210 if (info->control == info->data)211 goto skip;212 213 /* a data interface altsetting does the real i/o */214 d = &info->data->cur_altsetting->desc;215 if (d->bInterfaceClass != USB_CLASS_CDC_DATA) {216 dev_dbg(&intf->dev, "slave class %u\n", d->bInterfaceClass);217 goto bad_desc;218 }219skip:220 /* Communication class functions with bmCapabilities are not221 * RNDIS. But some Wireless class RNDIS functions use222 * bmCapabilities for their own purpose. The failsafe is223 * therefore applied only to Communication class RNDIS224 * functions. The rndis test is redundant, but a cheap225 * optimization.226 */227 if (rndis && is_rndis(&intf->cur_altsetting->desc) &&228 header.usb_cdc_acm_descriptor &&229 header.usb_cdc_acm_descriptor->bmCapabilities) {230 dev_dbg(&intf->dev,231 "ACM capabilities %02x, not really RNDIS?\n",232 header.usb_cdc_acm_descriptor->bmCapabilities);233 goto bad_desc;234 }235 236 if (header.usb_cdc_ether_desc && info->ether->wMaxSegmentSize) {237 dev->hard_mtu = le16_to_cpu(info->ether->wMaxSegmentSize);238 /* because of Zaurus, we may be ignoring the host239 * side link address we were given.240 */241 }242 243 if (header.usb_cdc_mdlm_desc &&244 memcmp(header.usb_cdc_mdlm_desc->bGUID, mbm_guid, 16)) {245 dev_dbg(&intf->dev, "GUID doesn't match\n");246 goto bad_desc;247 }248 249 if (header.usb_cdc_mdlm_detail_desc &&250 header.usb_cdc_mdlm_detail_desc->bLength <251 (sizeof(struct usb_cdc_mdlm_detail_desc) + 1)) {252 dev_dbg(&intf->dev, "Descriptor too short\n");253 goto bad_desc;254 }255 256 257 258 /* Microsoft ActiveSync based and some regular RNDIS devices lack the259 * CDC descriptors, so we'll hard-wire the interfaces and not check260 * for descriptors.261 *262 * Some Android RNDIS devices have a CDC Union descriptor pointing263 * to non-existing interfaces. Ignore that and attempt the same264 * hard-wired 0 and 1 interfaces.265 */266 if (rndis && (!info->u || android_rndis_quirk)) {267 info->control = usb_ifnum_to_if(dev->udev, 0);268 info->data = usb_ifnum_to_if(dev->udev, 1);269 if (!info->control || !info->data || info->control != intf) {270 dev_dbg(&intf->dev,271 "rndis: master #0/%p slave #1/%p\n",272 info->control,273 info->data);274 goto bad_desc;275 }276 277 } else if (!info->header || (!rndis && !info->ether)) {278 dev_dbg(&intf->dev, "missing cdc %s%s%sdescriptor\n",279 info->header ? "" : "header ",280 info->u ? "" : "union ",281 info->ether ? "" : "ether ");282 goto bad_desc;283 }284 285 /* claim data interface and set it up ... with side effects.286 * network traffic can't flow until an altsetting is enabled.287 */288 if (info->data != info->control) {289 status = usb_driver_claim_interface(driver, info->data, dev);290 if (status < 0)291 return status;292 }293 status = usbnet_get_endpoints(dev, info->data);294 if (status < 0) {295 /* ensure immediate exit from usbnet_disconnect */296 usb_set_intfdata(info->data, NULL);297 if (info->data != info->control)298 usb_driver_release_interface(driver, info->data);299 return status;300 }301 302 /* status endpoint: optional for CDC Ethernet, not RNDIS (or ACM) */303 if (info->data != info->control)304 dev->status = NULL;305 if (info->control->cur_altsetting->desc.bNumEndpoints == 1) {306 struct usb_endpoint_descriptor *desc;307 308 dev->status = &info->control->cur_altsetting->endpoint[0];309 desc = &dev->status->desc;310 if (!usb_endpoint_is_int_in(desc) ||311 (le16_to_cpu(desc->wMaxPacketSize)312 < sizeof(struct usb_cdc_notification)) ||313 !desc->bInterval) {314 dev_dbg(&intf->dev, "bad notification endpoint\n");315 dev->status = NULL;316 }317 }318 if (rndis && !dev->status) {319 dev_dbg(&intf->dev, "missing RNDIS status endpoint\n");320 usb_set_intfdata(info->data, NULL);321 usb_driver_release_interface(driver, info->data);322 return -ENODEV;323 }324 325 /* override ethtool_ops */326 dev->net->ethtool_ops = &cdc_ether_ethtool_ops;327 328 return 0;329 330bad_desc:331 dev_info(&dev->udev->dev, "bad CDC descriptors\n");332 return -ENODEV;333}334EXPORT_SYMBOL_GPL(usbnet_generic_cdc_bind);335 336 337/* like usbnet_generic_cdc_bind() but handles filter initialization338 * correctly339 */340int usbnet_ether_cdc_bind(struct usbnet *dev, struct usb_interface *intf)341{342 int rv;343 344 rv = usbnet_generic_cdc_bind(dev, intf);345 if (rv < 0)346 goto bail_out;347 348 /* Some devices don't initialise properly. In particular349 * the packet filter is not reset. There are devices that350 * don't do reset all the way. So the packet filter should351 * be set to a sane initial value.352 */353 usbnet_cdc_update_filter(dev);354 355bail_out:356 return rv;357}358EXPORT_SYMBOL_GPL(usbnet_ether_cdc_bind);359 360void usbnet_cdc_unbind(struct usbnet *dev, struct usb_interface *intf)361{362 struct cdc_state *info = (void *) &dev->data;363 struct usb_driver *driver = driver_of(intf);364 365 /* combined interface - nothing to do */366 if (info->data == info->control)367 return;368 369 /* disconnect master --> disconnect slave */370 if (intf == info->control && info->data) {371 /* ensure immediate exit from usbnet_disconnect */372 usb_set_intfdata(info->data, NULL);373 usb_driver_release_interface(driver, info->data);374 info->data = NULL;375 }376 377 /* and vice versa (just in case) */378 else if (intf == info->data && info->control) {379 /* ensure immediate exit from usbnet_disconnect */380 usb_set_intfdata(info->control, NULL);381 usb_driver_release_interface(driver, info->control);382 info->control = NULL;383 }384}385EXPORT_SYMBOL_GPL(usbnet_cdc_unbind);386 387/* Communications Device Class, Ethernet Control model388 *389 * Takes two interfaces. The DATA interface is inactive till an altsetting390 * is selected. Configuration data includes class descriptors. There's391 * an optional status endpoint on the control interface.392 *393 * This should interop with whatever the 2.4 "CDCEther.c" driver394 * (by Brad Hards) talked with, with more functionality.395 */396 397static void speed_change(struct usbnet *dev, __le32 *speeds)398{399 dev->tx_speed = __le32_to_cpu(speeds[0]);400 dev->rx_speed = __le32_to_cpu(speeds[1]);401}402 403void usbnet_cdc_status(struct usbnet *dev, struct urb *urb)404{405 struct usb_cdc_notification *event;406 407 if (urb->actual_length < sizeof(*event))408 return;409 410 /* SPEED_CHANGE can get split into two 8-byte packets */411 if (test_and_clear_bit(EVENT_STS_SPLIT, &dev->flags)) {412 speed_change(dev, (__le32 *) urb->transfer_buffer);413 return;414 }415 416 event = urb->transfer_buffer;417 switch (event->bNotificationType) {418 case USB_CDC_NOTIFY_NETWORK_CONNECTION:419 netif_dbg(dev, timer, dev->net, "CDC: carrier %s\n",420 event->wValue ? "on" : "off");421 if (netif_carrier_ok(dev->net) != !!event->wValue)422 usbnet_link_change(dev, !!event->wValue, 0);423 break;424 case USB_CDC_NOTIFY_SPEED_CHANGE: /* tx/rx rates */425 netif_dbg(dev, timer, dev->net, "CDC: speed change (len %d)\n",426 urb->actual_length);427 if (urb->actual_length != (sizeof(*event) + 8))428 set_bit(EVENT_STS_SPLIT, &dev->flags);429 else430 speed_change(dev, (__le32 *) &event[1]);431 break;432 /* USB_CDC_NOTIFY_RESPONSE_AVAILABLE can happen too (e.g. RNDIS),433 * but there are no standard formats for the response data.434 */435 default:436 netdev_err(dev->net, "CDC: unexpected notification %02x!\n",437 event->bNotificationType);438 break;439 }440}441EXPORT_SYMBOL_GPL(usbnet_cdc_status);442 443int usbnet_cdc_bind(struct usbnet *dev, struct usb_interface *intf)444{445 int status;446 struct cdc_state *info = (void *) &dev->data;447 448 BUILD_BUG_ON((sizeof(((struct usbnet *)0)->data)449 < sizeof(struct cdc_state)));450 451 status = usbnet_ether_cdc_bind(dev, intf);452 if (status < 0)453 return status;454 455 status = usbnet_get_ethernet_addr(dev, info->ether->iMACAddress);456 if (status < 0) {457 usb_set_intfdata(info->data, NULL);458 usb_driver_release_interface(driver_of(intf), info->data);459 return status;460 }461 462 return 0;463}464EXPORT_SYMBOL_GPL(usbnet_cdc_bind);465 466static int usbnet_cdc_zte_bind(struct usbnet *dev, struct usb_interface *intf)467{468 int status = usbnet_cdc_bind(dev, intf);469 470 if (!status && (dev->net->dev_addr[0] & 0x02))471 eth_hw_addr_random(dev->net);472 473 return status;474}475 476/* Make sure packets have correct destination MAC address477 *478 * A firmware bug observed on some devices (ZTE MF823/831/910) is that the479 * device sends packets with a static, bogus, random MAC address (event if480 * device MAC address has been updated). Always set MAC address to that of the481 * device.482 */483int usbnet_cdc_zte_rx_fixup(struct usbnet *dev, struct sk_buff *skb)484{485 if (skb->len < ETH_HLEN || !(skb->data[0] & 0x02))486 return 1;487 488 skb_reset_mac_header(skb);489 ether_addr_copy(eth_hdr(skb)->h_dest, dev->net->dev_addr);490 491 return 1;492}493EXPORT_SYMBOL_GPL(usbnet_cdc_zte_rx_fixup);494 495/* Ensure correct link state496 *497 * Some devices (ZTE MF823/831/910) export two carrier on notifications when498 * connected. This causes the link state to be incorrect. Work around this by499 * always setting the state to off, then on.500 */501static void usbnet_cdc_zte_status(struct usbnet *dev, struct urb *urb)502{503 struct usb_cdc_notification *event;504 505 if (urb->actual_length < sizeof(*event))506 return;507 508 event = urb->transfer_buffer;509 510 if (event->bNotificationType != USB_CDC_NOTIFY_NETWORK_CONNECTION) {511 usbnet_cdc_status(dev, urb);512 return;513 }514 515 netif_dbg(dev, timer, dev->net, "CDC: carrier %s\n",516 event->wValue ? "on" : "off");517 518 if (event->wValue &&519 netif_carrier_ok(dev->net))520 netif_carrier_off(dev->net);521 522 usbnet_link_change(dev, !!event->wValue, 0);523}524 525static const struct driver_info cdc_info = {526 .description = "CDC Ethernet Device",527 .flags = FLAG_ETHER | FLAG_POINTTOPOINT,528 .bind = usbnet_cdc_bind,529 .unbind = usbnet_cdc_unbind,530 .status = usbnet_cdc_status,531 .set_rx_mode = usbnet_cdc_update_filter,532 .manage_power = usbnet_manage_power,533};534 535static const struct driver_info zte_cdc_info = {536 .description = "ZTE CDC Ethernet Device",537 .flags = FLAG_ETHER | FLAG_POINTTOPOINT,538 .bind = usbnet_cdc_zte_bind,539 .unbind = usbnet_cdc_unbind,540 .status = usbnet_cdc_zte_status,541 .set_rx_mode = usbnet_cdc_update_filter,542 .manage_power = usbnet_manage_power,543 .rx_fixup = usbnet_cdc_zte_rx_fixup,544};545 546static const struct driver_info wwan_info = {547 .description = "Mobile Broadband Network Device",548 .flags = FLAG_WWAN,549 .bind = usbnet_cdc_bind,550 .unbind = usbnet_cdc_unbind,551 .status = usbnet_cdc_status,552 .set_rx_mode = usbnet_cdc_update_filter,553 .manage_power = usbnet_manage_power,554};555 556/*-------------------------------------------------------------------------*/557 558#define HUAWEI_VENDOR_ID 0x12D1559#define NOVATEL_VENDOR_ID 0x1410560#define ZTE_VENDOR_ID 0x19D2561#define DELL_VENDOR_ID 0x413C562#define REALTEK_VENDOR_ID 0x0bda563#define SAMSUNG_VENDOR_ID 0x04e8564#define LENOVO_VENDOR_ID 0x17ef565#define LINKSYS_VENDOR_ID 0x13b1566#define NVIDIA_VENDOR_ID 0x0955567#define HP_VENDOR_ID 0x03f0568#define MICROSOFT_VENDOR_ID 0x045e569#define UBLOX_VENDOR_ID 0x1546570#define TPLINK_VENDOR_ID 0x2357571#define AQUANTIA_VENDOR_ID 0x2eca572#define ASIX_VENDOR_ID 0x0b95573 574static const struct usb_device_id products[] = {575/* BLACKLIST !!576 *577 * First blacklist any products that are egregiously nonconformant578 * with the CDC Ethernet specs. Minor braindamage we cope with; when579 * they're not even trying, needing a separate driver is only the first580 * of the differences to show up.581 */582 583#define ZAURUS_MASTER_INTERFACE \584 .bInterfaceClass = USB_CLASS_COMM, \585 .bInterfaceSubClass = USB_CDC_SUBCLASS_ETHERNET, \586 .bInterfaceProtocol = USB_CDC_PROTO_NONE587 588#define ZAURUS_FAKE_INTERFACE \589 .bInterfaceClass = USB_CLASS_COMM, \590 .bInterfaceSubClass = USB_CDC_SUBCLASS_MDLM, \591 .bInterfaceProtocol = USB_CDC_PROTO_NONE592 593/* SA-1100 based Sharp Zaurus ("collie"), or compatible;594 * wire-incompatible with true CDC Ethernet implementations.595 * (And, it seems, needlessly so...)596 */597{598 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO599 | USB_DEVICE_ID_MATCH_DEVICE,600 .idVendor = 0x04DD,601 .idProduct = 0x8004,602 ZAURUS_MASTER_INTERFACE,603 .driver_info = 0,604},605 606/* PXA-25x based Sharp Zaurii. Note that it seems some of these607 * (later models especially) may have shipped only with firmware608 * advertising false "CDC MDLM" compatibility ... but we're not609 * clear which models did that, so for now let's assume the worst.610 */611{612 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO613 | USB_DEVICE_ID_MATCH_DEVICE,614 .idVendor = 0x04DD,615 .idProduct = 0x8005, /* A-300 */616 ZAURUS_MASTER_INTERFACE,617 .driver_info = 0,618}, {619 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO620 | USB_DEVICE_ID_MATCH_DEVICE,621 .idVendor = 0x04DD,622 .idProduct = 0x8005, /* A-300 */623 ZAURUS_FAKE_INTERFACE,624 .driver_info = 0,625}, {626 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO627 | USB_DEVICE_ID_MATCH_DEVICE,628 .idVendor = 0x04DD,629 .idProduct = 0x8006, /* B-500/SL-5600 */630 ZAURUS_MASTER_INTERFACE,631 .driver_info = 0,632}, {633 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO634 | USB_DEVICE_ID_MATCH_DEVICE,635 .idVendor = 0x04DD,636 .idProduct = 0x8006, /* B-500/SL-5600 */637 ZAURUS_FAKE_INTERFACE,638 .driver_info = 0,639}, {640 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO641 | USB_DEVICE_ID_MATCH_DEVICE,642 .idVendor = 0x04DD,643 .idProduct = 0x8007, /* C-700 */644 ZAURUS_MASTER_INTERFACE,645 .driver_info = 0,646}, {647 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO648 | USB_DEVICE_ID_MATCH_DEVICE,649 .idVendor = 0x04DD,650 .idProduct = 0x8007, /* C-700 */651 ZAURUS_FAKE_INTERFACE,652 .driver_info = 0,653}, {654 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO655 | USB_DEVICE_ID_MATCH_DEVICE,656 .idVendor = 0x04DD,657 .idProduct = 0x9031, /* C-750 C-760 */658 ZAURUS_MASTER_INTERFACE,659 .driver_info = 0,660}, {661 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO662 | USB_DEVICE_ID_MATCH_DEVICE,663 .idVendor = 0x04DD,664 .idProduct = 0x9032, /* SL-6000 */665 ZAURUS_MASTER_INTERFACE,666 .driver_info = 0,667}, {668 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO669 | USB_DEVICE_ID_MATCH_DEVICE,670 .idVendor = 0x04DD,671 .idProduct = 0x9032, /* SL-6000 */672 ZAURUS_FAKE_INTERFACE,673 .driver_info = 0,674}, {675 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO676 | USB_DEVICE_ID_MATCH_DEVICE,677 .idVendor = 0x04DD,678 /* reported with some C860 units */679 .idProduct = 0x9050, /* C-860 */680 ZAURUS_MASTER_INTERFACE,681 .driver_info = 0,682},683 684/* Olympus has some models with a Zaurus-compatible option.685 * R-1000 uses a FreeScale i.MXL cpu (ARMv4T)686 */687{688 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO689 | USB_DEVICE_ID_MATCH_DEVICE,690 .idVendor = 0x07B4,691 .idProduct = 0x0F02, /* R-1000 */692 ZAURUS_MASTER_INTERFACE,693 .driver_info = 0,694},695 696/* LG Electronics VL600 wants additional headers on every frame */697{698 USB_DEVICE_AND_INTERFACE_INFO(0x1004, 0x61aa, USB_CLASS_COMM,699 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),700 .driver_info = 0,701},702 703/* Logitech Harmony 900 - uses the pseudo-MDLM (BLAN) driver */704{705 USB_DEVICE_AND_INTERFACE_INFO(0x046d, 0xc11f, USB_CLASS_COMM,706 USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE),707 .driver_info = 0,708},709 710/* Novatel USB551L and MC551 - handled by qmi_wwan */711{712 USB_DEVICE_AND_INTERFACE_INFO(NOVATEL_VENDOR_ID, 0xB001, USB_CLASS_COMM,713 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),714 .driver_info = 0,715},716 717/* Novatel E362 - handled by qmi_wwan */718{719 USB_DEVICE_AND_INTERFACE_INFO(NOVATEL_VENDOR_ID, 0x9010, USB_CLASS_COMM,720 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),721 .driver_info = 0,722},723 724/* Dell Wireless 5800 (Novatel E362) - handled by qmi_wwan */725{726 USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, 0x8195, USB_CLASS_COMM,727 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),728 .driver_info = 0,729},730 731/* Dell Wireless 5800 (Novatel E362) - handled by qmi_wwan */732{733 USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, 0x8196, USB_CLASS_COMM,734 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),735 .driver_info = 0,736},737 738/* Dell Wireless 5804 (Novatel E371) - handled by qmi_wwan */739{740 USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, 0x819b, USB_CLASS_COMM,741 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),742 .driver_info = 0,743},744 745/* Novatel Expedite E371 - handled by qmi_wwan */746{747 USB_DEVICE_AND_INTERFACE_INFO(NOVATEL_VENDOR_ID, 0x9011, USB_CLASS_COMM,748 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),749 .driver_info = 0,750},751 752/* HP lt2523 (Novatel E371) - handled by qmi_wwan */753{754 USB_DEVICE_AND_INTERFACE_INFO(HP_VENDOR_ID, 0x421d, USB_CLASS_COMM,755 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),756 .driver_info = 0,757},758 759/* AnyDATA ADU960S - handled by qmi_wwan */760{761 USB_DEVICE_AND_INTERFACE_INFO(0x16d5, 0x650a, USB_CLASS_COMM,762 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),763 .driver_info = 0,764},765 766/* Huawei E1820 - handled by qmi_wwan */767{768 USB_DEVICE_INTERFACE_NUMBER(HUAWEI_VENDOR_ID, 0x14ac, 1),769 .driver_info = 0,770},771 772/* Realtek RTL8153 Based USB 3.0 Ethernet Adapters */773{774 USB_DEVICE_AND_INTERFACE_INFO(REALTEK_VENDOR_ID, 0x8153, USB_CLASS_COMM,775 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),776 .driver_info = 0,777},778 779/* Lenovo Powered USB-C Travel Hub (4X90S92381, based on Realtek RTL8153) */780{781 USB_DEVICE_AND_INTERFACE_INFO(LENOVO_VENDOR_ID, 0x721e, USB_CLASS_COMM,782 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),783 .driver_info = 0,784},785 786/* Aquantia AQtion USB to 5GbE Controller (based on AQC111U) */787{788 USB_DEVICE_AND_INTERFACE_INFO(AQUANTIA_VENDOR_ID, 0xc101,789 USB_CLASS_COMM, USB_CDC_SUBCLASS_ETHERNET,790 USB_CDC_PROTO_NONE),791 .driver_info = 0,792},793 794/* ASIX USB 3.1 Gen1 to 5G Multi-Gigabit Ethernet Adapter(based on AQC111U) */795{796 USB_DEVICE_AND_INTERFACE_INFO(ASIX_VENDOR_ID, 0x2790, USB_CLASS_COMM,797 USB_CDC_SUBCLASS_ETHERNET,798 USB_CDC_PROTO_NONE),799 .driver_info = 0,800},801 802/* ASIX USB 3.1 Gen1 to 2.5G Multi-Gigabit Ethernet Adapter(based on AQC112U) */803{804 USB_DEVICE_AND_INTERFACE_INFO(ASIX_VENDOR_ID, 0x2791, USB_CLASS_COMM,805 USB_CDC_SUBCLASS_ETHERNET,806 USB_CDC_PROTO_NONE),807 .driver_info = 0,808},809 810/* USB-C 3.1 to 5GBASE-T Ethernet Adapter (based on AQC111U) */811{812 USB_DEVICE_AND_INTERFACE_INFO(0x20f4, 0xe05a, USB_CLASS_COMM,813 USB_CDC_SUBCLASS_ETHERNET,814 USB_CDC_PROTO_NONE),815 .driver_info = 0,816},817 818/* QNAP QNA-UC5G1T USB to 5GbE Adapter (based on AQC111U) */819{820 USB_DEVICE_AND_INTERFACE_INFO(0x1c04, 0x0015, USB_CLASS_COMM,821 USB_CDC_SUBCLASS_ETHERNET,822 USB_CDC_PROTO_NONE),823 .driver_info = 0,824},825 826/* WHITELIST!!!827 *828 * CDC Ether uses two interfaces, not necessarily consecutive.829 * We match the main interface, ignoring the optional device830 * class so we could handle devices that aren't exclusively831 * CDC ether.832 *833 * NOTE: this match must come AFTER entries blacklisting devices834 * because of bugs/quirks in a given product (like Zaurus, above).835 */836{837 /* ZTE (Vodafone) K3805-Z */838 USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1003, USB_CLASS_COMM,839 USB_CDC_SUBCLASS_ETHERNET,840 USB_CDC_PROTO_NONE),841 .driver_info = (unsigned long)&wwan_info,842}, {843 /* ZTE (Vodafone) K3806-Z */844 USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1015, USB_CLASS_COMM,845 USB_CDC_SUBCLASS_ETHERNET,846 USB_CDC_PROTO_NONE),847 .driver_info = (unsigned long)&wwan_info,848}, {849 /* ZTE (Vodafone) K4510-Z */850 USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1173, USB_CLASS_COMM,851 USB_CDC_SUBCLASS_ETHERNET,852 USB_CDC_PROTO_NONE),853 .driver_info = (unsigned long)&wwan_info,854}, {855 /* ZTE (Vodafone) K3770-Z */856 USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1177, USB_CLASS_COMM,857 USB_CDC_SUBCLASS_ETHERNET,858 USB_CDC_PROTO_NONE),859 .driver_info = (unsigned long)&wwan_info,860}, {861 /* ZTE (Vodafone) K3772-Z */862 USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1181, USB_CLASS_COMM,863 USB_CDC_SUBCLASS_ETHERNET,864 USB_CDC_PROTO_NONE),865 .driver_info = (unsigned long)&wwan_info,866}, {867 /* Telit modules */868 USB_VENDOR_AND_INTERFACE_INFO(0x1bc7, USB_CLASS_COMM,869 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),870 .driver_info = (kernel_ulong_t) &wwan_info,871}, {872 /* Dell DW5580 modules */873 USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, 0x81ba, USB_CLASS_COMM,874 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE),875 .driver_info = (kernel_ulong_t)&wwan_info,876}, {877 /* Huawei ME906 and ME909 */878 USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0x15c1, USB_CLASS_COMM,879 USB_CDC_SUBCLASS_ETHERNET,880 USB_CDC_PROTO_NONE),881 .driver_info = (unsigned long)&wwan_info,882}, {883 /* ZTE modules */884 USB_VENDOR_AND_INTERFACE_INFO(ZTE_VENDOR_ID, USB_CLASS_COMM,885 USB_CDC_SUBCLASS_ETHERNET,886 USB_CDC_PROTO_NONE),887 .driver_info = (unsigned long)&zte_cdc_info,888}, {889 /* U-blox TOBY-L2 */890 USB_DEVICE_AND_INTERFACE_INFO(UBLOX_VENDOR_ID, 0x1143, USB_CLASS_COMM,891 USB_CDC_SUBCLASS_ETHERNET,892 USB_CDC_PROTO_NONE),893 .driver_info = (unsigned long)&wwan_info,894}, {895 /* U-blox SARA-U2 */896 USB_DEVICE_AND_INTERFACE_INFO(UBLOX_VENDOR_ID, 0x1104, USB_CLASS_COMM,897 USB_CDC_SUBCLASS_ETHERNET,898 USB_CDC_PROTO_NONE),899 .driver_info = (unsigned long)&wwan_info,900}, {901 /* U-blox LARA-R6 01B */902 USB_DEVICE_AND_INTERFACE_INFO(UBLOX_VENDOR_ID, 0x1313, USB_CLASS_COMM,903 USB_CDC_SUBCLASS_ETHERNET,904 USB_CDC_PROTO_NONE),905 .driver_info = (unsigned long)&wwan_info,906}, {907 /* U-blox LARA-L6 */908 USB_DEVICE_AND_INTERFACE_INFO(UBLOX_VENDOR_ID, 0x1343, USB_CLASS_COMM,909 USB_CDC_SUBCLASS_ETHERNET,910 USB_CDC_PROTO_NONE),911 .driver_info = (unsigned long)&wwan_info,912}, {913 /* Cinterion PLS8 modem by GEMALTO */914 USB_DEVICE_AND_INTERFACE_INFO(0x1e2d, 0x0061, USB_CLASS_COMM,915 USB_CDC_SUBCLASS_ETHERNET,916 USB_CDC_PROTO_NONE),917 .driver_info = (unsigned long)&wwan_info,918}, {919 /* Cinterion AHS3 modem by GEMALTO */920 USB_DEVICE_AND_INTERFACE_INFO(0x1e2d, 0x0055, USB_CLASS_COMM,921 USB_CDC_SUBCLASS_ETHERNET,922 USB_CDC_PROTO_NONE),923 .driver_info = (unsigned long)&wwan_info,924}, {925 /* Cinterion PLS62-W modem by GEMALTO/THALES */926 USB_DEVICE_AND_INTERFACE_INFO(0x1e2d, 0x005b, USB_CLASS_COMM,927 USB_CDC_SUBCLASS_ETHERNET,928 USB_CDC_PROTO_NONE),929 .driver_info = (unsigned long)&wwan_info,930}, {931 /* Cinterion PLS83/PLS63 modem by GEMALTO/THALES */932 USB_DEVICE_AND_INTERFACE_INFO(0x1e2d, 0x0069, USB_CLASS_COMM,933 USB_CDC_SUBCLASS_ETHERNET,934 USB_CDC_PROTO_NONE),935 .driver_info = (unsigned long)&wwan_info,936}, {937 USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_ETHERNET,938 USB_CDC_PROTO_NONE),939 .driver_info = (unsigned long) &cdc_info,940}, {941 USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_MDLM,942 USB_CDC_PROTO_NONE),943 .driver_info = (unsigned long)&wwan_info,944 945}, {946 /* Various Huawei modems with a network port like the UMG1831 */947 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_COMM,948 USB_CDC_SUBCLASS_ETHERNET, 255),949 .driver_info = (unsigned long)&wwan_info,950},951 { }, /* END */952};953MODULE_DEVICE_TABLE(usb, products);954 955static struct usb_driver cdc_driver = {956 .name = "cdc_ether",957 .id_table = products,958 .probe = usbnet_probe,959 .disconnect = usbnet_disconnect,960 .suspend = usbnet_suspend,961 .resume = usbnet_resume,962 .reset_resume = usbnet_resume,963 .supports_autosuspend = 1,964 .disable_hub_initiated_lpm = 1,965};966 967module_usb_driver(cdc_driver);968 969MODULE_AUTHOR("David Brownell");970MODULE_DESCRIPTION("USB CDC Ethernet devices");971MODULE_LICENSE("GPL");972