1 /* 2 * CDC Ethernet based networking peripherals 3 * Copyright (C) 2003-2005 by David Brownell 4 * Copyright (C) 2006 by Ole Andre Vadla Ravnas (ActiveSync) 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 17 * along with this program; if not, see <http://www.gnu.org/licenses/>. 18 */ 19 20 // #define DEBUG // error path messages, extra info 21 // #define VERBOSE // more; success messages 22 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 36 static 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 43 static 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 50 static 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 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 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; 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 /* 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 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 /* 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. 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; 113 bool android_rndis_quirk = false; 114 struct usb_driver *driver = driver_of(intf); 115 struct usb_cdc_parsed_header header; 116 117 if (sizeof(dev->data) < sizeof(*info)) 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; 129 dev_dbg(&intf->dev, "CDC descriptors on config\n"); 130 } 131 132 /* 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 } 147 148 /* this assumes that if there's a non-RNDIS vendor variant 149 * of cdc-acm, it'll fail RNDIS requests cleanly. 150 */ 151 rndis = (is_rndis(&intf->cur_altsetting->desc) || 152 is_activesync(&intf->cur_altsetting->desc) || 153 is_wireless_rndis(&intf->cur_altsetting->desc)); 154 155 memset(info, 0, sizeof(*info)); 156 info->control = intf; 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; 163 if (!info->u) { 164 if (rndis) 165 goto skip; 166 else /* in that case a quirk is mandatory */ 167 goto bad_desc; 168 } 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; 188 } 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; 242 } 243 244 245 246 /* 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. 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. 253 */ 254 if (rndis && (!info->u || android_rndis_quirk)) { 255 info->control = usb_ifnum_to_if(dev->udev, 0); 256 info->data = usb_ifnum_to_if(dev->udev, 1); 257 if (!info->control || !info->data || info->control != intf) { 258 dev_dbg(&intf->dev, 259 "rndis: master #0/%p slave #1/%p\n", 260 info->control, 261 info->data); 262 goto bad_desc; 263 } 264 265 } else if (!info->header || (!rndis && !info->ether)) { 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 */ 276 if (info->data != info->control) { 277 status = usb_driver_claim_interface(driver, info->data, dev); 278 if (status < 0) 279 return status; 280 } 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); 285 if (info->data != info->control) 286 usb_driver_release_interface(driver, info->data); 287 return status; 288 } 289 290 /* status endpoint: optional for CDC Ethernet, not RNDIS (or ACM) */ 291 if (info->data != info->control) 292 dev->status = NULL; 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; 298 if (!usb_endpoint_is_int_in(desc) || 299 (le16_to_cpu(desc->wMaxPacketSize) 300 < sizeof(struct usb_cdc_notification)) || 301 !desc->bInterval) { 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 } 312 313 return 0; 314 315 bad_desc: 316 dev_info(&dev->udev->dev, "bad CDC descriptors\n"); 317 return -ENODEV; 318 } 319 EXPORT_SYMBOL_GPL(usbnet_generic_cdc_bind); 320 321 322 /* like usbnet_generic_cdc_bind() but handles filter initialization 323 * correctly 324 */ 325 int usbnet_ether_cdc_bind(struct usbnet *dev, struct usb_interface *intf) 326 { 327 int rv; 328 329 rv = usbnet_generic_cdc_bind(dev, intf); 330 if (rv < 0) 331 goto bail_out; 332 333 /* Some devices don't initialise properly. In particular 334 * the packet filter is not reset. There are devices that 335 * don't do reset all the way. So the packet filter should 336 * be set to a sane initial value. 337 */ 338 usbnet_cdc_update_filter(dev); 339 340 bail_out: 341 return rv; 342 } 343 EXPORT_SYMBOL_GPL(usbnet_ether_cdc_bind); 344 345 void usbnet_cdc_unbind(struct usbnet *dev, struct usb_interface *intf) 346 { 347 struct cdc_state *info = (void *) &dev->data; 348 struct usb_driver *driver = driver_of(intf); 349 350 /* combined interface - nothing to do */ 351 if (info->data == info->control) 352 return; 353 354 /* disconnect master --> disconnect slave */ 355 if (intf == info->control && info->data) { 356 /* ensure immediate exit from usbnet_disconnect */ 357 usb_set_intfdata(info->data, NULL); 358 usb_driver_release_interface(driver, info->data); 359 info->data = NULL; 360 } 361 362 /* and vice versa (just in case) */ 363 else if (intf == info->data && info->control) { 364 /* ensure immediate exit from usbnet_disconnect */ 365 usb_set_intfdata(info->control, NULL); 366 usb_driver_release_interface(driver, info->control); 367 info->control = NULL; 368 } 369 } 370 EXPORT_SYMBOL_GPL(usbnet_cdc_unbind); 371 372 /* Communications Device Class, Ethernet Control model 373 * 374 * Takes two interfaces. The DATA interface is inactive till an altsetting 375 * is selected. Configuration data includes class descriptors. There's 376 * an optional status endpoint on the control interface. 377 * 378 * This should interop with whatever the 2.4 "CDCEther.c" driver 379 * (by Brad Hards) talked with, with more functionality. 380 */ 381 382 static void dumpspeed(struct usbnet *dev, __le32 *speeds) 383 { 384 netif_info(dev, timer, dev->net, 385 "link speeds: %u kbps up, %u kbps down\n", 386 __le32_to_cpu(speeds[0]) / 1000, 387 __le32_to_cpu(speeds[1]) / 1000); 388 } 389 390 void usbnet_cdc_status(struct usbnet *dev, struct urb *urb) 391 { 392 struct usb_cdc_notification *event; 393 394 if (urb->actual_length < sizeof(*event)) 395 return; 396 397 /* SPEED_CHANGE can get split into two 8-byte packets */ 398 if (test_and_clear_bit(EVENT_STS_SPLIT, &dev->flags)) { 399 dumpspeed(dev, (__le32 *) urb->transfer_buffer); 400 return; 401 } 402 403 event = urb->transfer_buffer; 404 switch (event->bNotificationType) { 405 case USB_CDC_NOTIFY_NETWORK_CONNECTION: 406 netif_dbg(dev, timer, dev->net, "CDC: carrier %s\n", 407 event->wValue ? "on" : "off"); 408 usbnet_link_change(dev, !!event->wValue, 0); 409 break; 410 case USB_CDC_NOTIFY_SPEED_CHANGE: /* tx/rx rates */ 411 netif_dbg(dev, timer, dev->net, "CDC: speed change (len %d)\n", 412 urb->actual_length); 413 if (urb->actual_length != (sizeof(*event) + 8)) 414 set_bit(EVENT_STS_SPLIT, &dev->flags); 415 else 416 dumpspeed(dev, (__le32 *) &event[1]); 417 break; 418 /* USB_CDC_NOTIFY_RESPONSE_AVAILABLE can happen too (e.g. RNDIS), 419 * but there are no standard formats for the response data. 420 */ 421 default: 422 netdev_err(dev->net, "CDC: unexpected notification %02x!\n", 423 event->bNotificationType); 424 break; 425 } 426 } 427 EXPORT_SYMBOL_GPL(usbnet_cdc_status); 428 429 int usbnet_cdc_bind(struct usbnet *dev, struct usb_interface *intf) 430 { 431 int status; 432 struct cdc_state *info = (void *) &dev->data; 433 434 BUILD_BUG_ON((sizeof(((struct usbnet *)0)->data) 435 < sizeof(struct cdc_state))); 436 437 status = usbnet_ether_cdc_bind(dev, intf); 438 if (status < 0) 439 return status; 440 441 status = usbnet_get_ethernet_addr(dev, info->ether->iMACAddress); 442 if (status < 0) { 443 usb_set_intfdata(info->data, NULL); 444 usb_driver_release_interface(driver_of(intf), info->data); 445 return status; 446 } 447 448 return 0; 449 } 450 EXPORT_SYMBOL_GPL(usbnet_cdc_bind); 451 452 static int usbnet_cdc_zte_bind(struct usbnet *dev, struct usb_interface *intf) 453 { 454 int status = usbnet_cdc_bind(dev, intf); 455 456 if (!status && (dev->net->dev_addr[0] & 0x02)) 457 eth_hw_addr_random(dev->net); 458 459 return status; 460 } 461 462 /* Make sure packets have correct destination MAC address 463 * 464 * A firmware bug observed on some devices (ZTE MF823/831/910) is that the 465 * device sends packets with a static, bogus, random MAC address (event if 466 * device MAC address has been updated). Always set MAC address to that of the 467 * device. 468 */ 469 static int usbnet_cdc_zte_rx_fixup(struct usbnet *dev, struct sk_buff *skb) 470 { 471 if (skb->len < ETH_HLEN || !(skb->data[0] & 0x02)) 472 return 1; 473 474 skb_reset_mac_header(skb); 475 ether_addr_copy(eth_hdr(skb)->h_dest, dev->net->dev_addr); 476 477 return 1; 478 } 479 480 /* Ensure correct link state 481 * 482 * Some devices (ZTE MF823/831/910) export two carrier on notifications when 483 * connected. This causes the link state to be incorrect. Work around this by 484 * always setting the state to off, then on. 485 */ 486 static void usbnet_cdc_zte_status(struct usbnet *dev, struct urb *urb) 487 { 488 struct usb_cdc_notification *event; 489 490 if (urb->actual_length < sizeof(*event)) 491 return; 492 493 event = urb->transfer_buffer; 494 495 if (event->bNotificationType != USB_CDC_NOTIFY_NETWORK_CONNECTION) { 496 usbnet_cdc_status(dev, urb); 497 return; 498 } 499 500 netif_dbg(dev, timer, dev->net, "CDC: carrier %s\n", 501 event->wValue ? "on" : "off"); 502 503 if (event->wValue && 504 netif_carrier_ok(dev->net)) 505 netif_carrier_off(dev->net); 506 507 usbnet_link_change(dev, !!event->wValue, 0); 508 } 509 510 static const struct driver_info cdc_info = { 511 .description = "CDC Ethernet Device", 512 .flags = FLAG_ETHER | FLAG_POINTTOPOINT, 513 .bind = usbnet_cdc_bind, 514 .unbind = usbnet_cdc_unbind, 515 .status = usbnet_cdc_status, 516 .set_rx_mode = usbnet_cdc_update_filter, 517 .manage_power = usbnet_manage_power, 518 }; 519 520 static const struct driver_info zte_cdc_info = { 521 .description = "ZTE CDC Ethernet Device", 522 .flags = FLAG_ETHER | FLAG_POINTTOPOINT, 523 .bind = usbnet_cdc_zte_bind, 524 .unbind = usbnet_cdc_unbind, 525 .status = usbnet_cdc_zte_status, 526 .set_rx_mode = usbnet_cdc_update_filter, 527 .manage_power = usbnet_manage_power, 528 .rx_fixup = usbnet_cdc_zte_rx_fixup, 529 }; 530 531 static const struct driver_info wwan_info = { 532 .description = "Mobile Broadband Network Device", 533 .flags = FLAG_WWAN, 534 .bind = usbnet_cdc_bind, 535 .unbind = usbnet_cdc_unbind, 536 .status = usbnet_cdc_status, 537 .set_rx_mode = usbnet_cdc_update_filter, 538 .manage_power = usbnet_manage_power, 539 }; 540 541 /*-------------------------------------------------------------------------*/ 542 543 #define HUAWEI_VENDOR_ID 0x12D1 544 #define NOVATEL_VENDOR_ID 0x1410 545 #define ZTE_VENDOR_ID 0x19D2 546 #define DELL_VENDOR_ID 0x413C 547 #define REALTEK_VENDOR_ID 0x0bda 548 #define SAMSUNG_VENDOR_ID 0x04e8 549 #define LENOVO_VENDOR_ID 0x17ef 550 #define NVIDIA_VENDOR_ID 0x0955 551 #define HP_VENDOR_ID 0x03f0 552 #define MICROSOFT_VENDOR_ID 0x045e 553 554 static const struct usb_device_id products[] = { 555 /* BLACKLIST !! 556 * 557 * First blacklist any products that are egregiously nonconformant 558 * with the CDC Ethernet specs. Minor braindamage we cope with; when 559 * they're not even trying, needing a separate driver is only the first 560 * of the differences to show up. 561 */ 562 563 #define ZAURUS_MASTER_INTERFACE \ 564 .bInterfaceClass = USB_CLASS_COMM, \ 565 .bInterfaceSubClass = USB_CDC_SUBCLASS_ETHERNET, \ 566 .bInterfaceProtocol = USB_CDC_PROTO_NONE 567 568 /* SA-1100 based Sharp Zaurus ("collie"), or compatible; 569 * wire-incompatible with true CDC Ethernet implementations. 570 * (And, it seems, needlessly so...) 571 */ 572 { 573 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 574 | USB_DEVICE_ID_MATCH_DEVICE, 575 .idVendor = 0x04DD, 576 .idProduct = 0x8004, 577 ZAURUS_MASTER_INTERFACE, 578 .driver_info = 0, 579 }, 580 581 /* PXA-25x based Sharp Zaurii. Note that it seems some of these 582 * (later models especially) may have shipped only with firmware 583 * advertising false "CDC MDLM" compatibility ... but we're not 584 * clear which models did that, so for now let's assume the worst. 585 */ 586 { 587 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 588 | USB_DEVICE_ID_MATCH_DEVICE, 589 .idVendor = 0x04DD, 590 .idProduct = 0x8005, /* A-300 */ 591 ZAURUS_MASTER_INTERFACE, 592 .driver_info = 0, 593 }, { 594 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 595 | USB_DEVICE_ID_MATCH_DEVICE, 596 .idVendor = 0x04DD, 597 .idProduct = 0x8006, /* B-500/SL-5600 */ 598 ZAURUS_MASTER_INTERFACE, 599 .driver_info = 0, 600 }, { 601 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 602 | USB_DEVICE_ID_MATCH_DEVICE, 603 .idVendor = 0x04DD, 604 .idProduct = 0x8007, /* C-700 */ 605 ZAURUS_MASTER_INTERFACE, 606 .driver_info = 0, 607 }, { 608 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 609 | USB_DEVICE_ID_MATCH_DEVICE, 610 .idVendor = 0x04DD, 611 .idProduct = 0x9031, /* C-750 C-760 */ 612 ZAURUS_MASTER_INTERFACE, 613 .driver_info = 0, 614 }, { 615 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 616 | USB_DEVICE_ID_MATCH_DEVICE, 617 .idVendor = 0x04DD, 618 .idProduct = 0x9032, /* SL-6000 */ 619 ZAURUS_MASTER_INTERFACE, 620 .driver_info = 0, 621 }, { 622 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 623 | USB_DEVICE_ID_MATCH_DEVICE, 624 .idVendor = 0x04DD, 625 /* reported with some C860 units */ 626 .idProduct = 0x9050, /* C-860 */ 627 ZAURUS_MASTER_INTERFACE, 628 .driver_info = 0, 629 }, 630 631 /* Olympus has some models with a Zaurus-compatible option. 632 * R-1000 uses a FreeScale i.MXL cpu (ARMv4T) 633 */ 634 { 635 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 636 | USB_DEVICE_ID_MATCH_DEVICE, 637 .idVendor = 0x07B4, 638 .idProduct = 0x0F02, /* R-1000 */ 639 ZAURUS_MASTER_INTERFACE, 640 .driver_info = 0, 641 }, 642 643 /* LG Electronics VL600 wants additional headers on every frame */ 644 { 645 USB_DEVICE_AND_INTERFACE_INFO(0x1004, 0x61aa, USB_CLASS_COMM, 646 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 647 .driver_info = 0, 648 }, 649 650 /* Logitech Harmony 900 - uses the pseudo-MDLM (BLAN) driver */ 651 { 652 USB_DEVICE_AND_INTERFACE_INFO(0x046d, 0xc11f, USB_CLASS_COMM, 653 USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE), 654 .driver_info = 0, 655 }, 656 657 /* Novatel USB551L and MC551 - handled by qmi_wwan */ 658 { 659 USB_DEVICE_AND_INTERFACE_INFO(NOVATEL_VENDOR_ID, 0xB001, USB_CLASS_COMM, 660 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 661 .driver_info = 0, 662 }, 663 664 /* Novatel E362 - handled by qmi_wwan */ 665 { 666 USB_DEVICE_AND_INTERFACE_INFO(NOVATEL_VENDOR_ID, 0x9010, USB_CLASS_COMM, 667 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 668 .driver_info = 0, 669 }, 670 671 /* Dell Wireless 5800 (Novatel E362) - handled by qmi_wwan */ 672 { 673 USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, 0x8195, USB_CLASS_COMM, 674 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 675 .driver_info = 0, 676 }, 677 678 /* Dell Wireless 5800 (Novatel E362) - handled by qmi_wwan */ 679 { 680 USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, 0x8196, USB_CLASS_COMM, 681 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 682 .driver_info = 0, 683 }, 684 685 /* Dell Wireless 5804 (Novatel E371) - handled by qmi_wwan */ 686 { 687 USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, 0x819b, USB_CLASS_COMM, 688 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 689 .driver_info = 0, 690 }, 691 692 /* Novatel Expedite E371 - handled by qmi_wwan */ 693 { 694 USB_DEVICE_AND_INTERFACE_INFO(NOVATEL_VENDOR_ID, 0x9011, USB_CLASS_COMM, 695 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 696 .driver_info = 0, 697 }, 698 699 /* HP lt2523 (Novatel E371) - handled by qmi_wwan */ 700 { 701 USB_DEVICE_AND_INTERFACE_INFO(HP_VENDOR_ID, 0x421d, USB_CLASS_COMM, 702 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 703 .driver_info = 0, 704 }, 705 706 /* AnyDATA ADU960S - handled by qmi_wwan */ 707 { 708 USB_DEVICE_AND_INTERFACE_INFO(0x16d5, 0x650a, USB_CLASS_COMM, 709 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 710 .driver_info = 0, 711 }, 712 713 /* Huawei E1820 - handled by qmi_wwan */ 714 { 715 USB_DEVICE_INTERFACE_NUMBER(HUAWEI_VENDOR_ID, 0x14ac, 1), 716 .driver_info = 0, 717 }, 718 719 /* Realtek RTL8152 Based USB 2.0 Ethernet Adapters */ 720 { 721 USB_DEVICE_AND_INTERFACE_INFO(REALTEK_VENDOR_ID, 0x8152, USB_CLASS_COMM, 722 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 723 .driver_info = 0, 724 }, 725 726 /* Realtek RTL8153 Based USB 3.0 Ethernet Adapters */ 727 { 728 USB_DEVICE_AND_INTERFACE_INFO(REALTEK_VENDOR_ID, 0x8153, USB_CLASS_COMM, 729 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 730 .driver_info = 0, 731 }, 732 733 /* Samsung USB Ethernet Adapters */ 734 { 735 USB_DEVICE_AND_INTERFACE_INFO(SAMSUNG_VENDOR_ID, 0xa101, USB_CLASS_COMM, 736 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 737 .driver_info = 0, 738 }, 739 740 /* ThinkPad USB-C Dock (based on Realtek RTL8153) */ 741 { 742 USB_DEVICE_AND_INTERFACE_INFO(LENOVO_VENDOR_ID, 0x3062, USB_CLASS_COMM, 743 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 744 .driver_info = 0, 745 }, 746 747 /* ThinkPad Thunderbolt 3 Dock (based on Realtek RTL8153) */ 748 { 749 USB_DEVICE_AND_INTERFACE_INFO(LENOVO_VENDOR_ID, 0x3069, USB_CLASS_COMM, 750 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 751 .driver_info = 0, 752 }, 753 754 /* Lenovo Thinkpad USB 3.0 Ethernet Adapters (based on Realtek RTL8153) */ 755 { 756 USB_DEVICE_AND_INTERFACE_INFO(LENOVO_VENDOR_ID, 0x7205, USB_CLASS_COMM, 757 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 758 .driver_info = 0, 759 }, 760 761 /* Lenovo USB C to Ethernet Adapter (based on Realtek RTL8153) */ 762 { 763 USB_DEVICE_AND_INTERFACE_INFO(LENOVO_VENDOR_ID, 0x720c, USB_CLASS_COMM, 764 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 765 .driver_info = 0, 766 }, 767 768 /* Lenovo USB-C Travel Hub (based on Realtek RTL8153) */ 769 { 770 USB_DEVICE_AND_INTERFACE_INFO(LENOVO_VENDOR_ID, 0x7214, USB_CLASS_COMM, 771 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 772 .driver_info = 0, 773 }, 774 775 /* NVIDIA Tegra USB 3.0 Ethernet Adapters (based on Realtek RTL8153) */ 776 { 777 USB_DEVICE_AND_INTERFACE_INFO(NVIDIA_VENDOR_ID, 0x09ff, USB_CLASS_COMM, 778 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 779 .driver_info = 0, 780 }, 781 782 /* Microsoft Surface 2 dock (based on Realtek RTL8152) */ 783 { 784 USB_DEVICE_AND_INTERFACE_INFO(MICROSOFT_VENDOR_ID, 0x07ab, USB_CLASS_COMM, 785 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 786 .driver_info = 0, 787 }, 788 789 /* Microsoft Surface 3 dock (based on Realtek RTL8153) */ 790 { 791 USB_DEVICE_AND_INTERFACE_INFO(MICROSOFT_VENDOR_ID, 0x07c6, USB_CLASS_COMM, 792 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 793 .driver_info = 0, 794 }, 795 796 /* WHITELIST!!! 797 * 798 * CDC Ether uses two interfaces, not necessarily consecutive. 799 * We match the main interface, ignoring the optional device 800 * class so we could handle devices that aren't exclusively 801 * CDC ether. 802 * 803 * NOTE: this match must come AFTER entries blacklisting devices 804 * because of bugs/quirks in a given product (like Zaurus, above). 805 */ 806 { 807 /* ZTE (Vodafone) K3805-Z */ 808 USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1003, USB_CLASS_COMM, 809 USB_CDC_SUBCLASS_ETHERNET, 810 USB_CDC_PROTO_NONE), 811 .driver_info = (unsigned long)&wwan_info, 812 }, { 813 /* ZTE (Vodafone) K3806-Z */ 814 USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1015, USB_CLASS_COMM, 815 USB_CDC_SUBCLASS_ETHERNET, 816 USB_CDC_PROTO_NONE), 817 .driver_info = (unsigned long)&wwan_info, 818 }, { 819 /* ZTE (Vodafone) K4510-Z */ 820 USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1173, USB_CLASS_COMM, 821 USB_CDC_SUBCLASS_ETHERNET, 822 USB_CDC_PROTO_NONE), 823 .driver_info = (unsigned long)&wwan_info, 824 }, { 825 /* ZTE (Vodafone) K3770-Z */ 826 USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1177, USB_CLASS_COMM, 827 USB_CDC_SUBCLASS_ETHERNET, 828 USB_CDC_PROTO_NONE), 829 .driver_info = (unsigned long)&wwan_info, 830 }, { 831 /* ZTE (Vodafone) K3772-Z */ 832 USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1181, USB_CLASS_COMM, 833 USB_CDC_SUBCLASS_ETHERNET, 834 USB_CDC_PROTO_NONE), 835 .driver_info = (unsigned long)&wwan_info, 836 }, { 837 /* Telit modules */ 838 USB_VENDOR_AND_INTERFACE_INFO(0x1bc7, USB_CLASS_COMM, 839 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 840 .driver_info = (kernel_ulong_t) &wwan_info, 841 }, { 842 /* Dell DW5580 modules */ 843 USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, 0x81ba, USB_CLASS_COMM, 844 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 845 .driver_info = (kernel_ulong_t)&wwan_info, 846 }, { 847 /* ZTE modules */ 848 USB_VENDOR_AND_INTERFACE_INFO(ZTE_VENDOR_ID, USB_CLASS_COMM, 849 USB_CDC_SUBCLASS_ETHERNET, 850 USB_CDC_PROTO_NONE), 851 .driver_info = (unsigned long)&zte_cdc_info, 852 }, { 853 USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_ETHERNET, 854 USB_CDC_PROTO_NONE), 855 .driver_info = (unsigned long) &cdc_info, 856 }, { 857 USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_MDLM, 858 USB_CDC_PROTO_NONE), 859 .driver_info = (unsigned long)&wwan_info, 860 861 }, { 862 /* Various Huawei modems with a network port like the UMG1831 */ 863 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_COMM, 864 USB_CDC_SUBCLASS_ETHERNET, 255), 865 .driver_info = (unsigned long)&wwan_info, 866 }, 867 { }, /* END */ 868 }; 869 MODULE_DEVICE_TABLE(usb, products); 870 871 static struct usb_driver cdc_driver = { 872 .name = "cdc_ether", 873 .id_table = products, 874 .probe = usbnet_probe, 875 .disconnect = usbnet_disconnect, 876 .suspend = usbnet_suspend, 877 .resume = usbnet_resume, 878 .reset_resume = usbnet_resume, 879 .supports_autosuspend = 1, 880 .disable_hub_initiated_lpm = 1, 881 }; 882 883 module_usb_driver(cdc_driver); 884 885 MODULE_AUTHOR("David Brownell"); 886 MODULE_DESCRIPTION("USB CDC Ethernet devices"); 887 MODULE_LICENSE("GPL"); 888