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 /* we need a master/control interface (what we're 164 * probed with) and a slave/data interface; union 165 * descriptors sort this all out. 166 */ 167 info->control = usb_ifnum_to_if(dev->udev, 168 info->u->bMasterInterface0); 169 info->data = usb_ifnum_to_if(dev->udev, 170 info->u->bSlaveInterface0); 171 if (!info->control || !info->data) { 172 dev_dbg(&intf->dev, 173 "master #%u/%p slave #%u/%p\n", 174 info->u->bMasterInterface0, 175 info->control, 176 info->u->bSlaveInterface0, 177 info->data); 178 /* fall back to hard-wiring for RNDIS */ 179 if (rndis) { 180 android_rndis_quirk = true; 181 goto skip; 182 } 183 goto bad_desc; 184 } 185 if (info->control != intf) { 186 dev_dbg(&intf->dev, "bogus CDC Union\n"); 187 /* Ambit USB Cable Modem (and maybe others) 188 * interchanges master and slave interface. 189 */ 190 if (info->data == intf) { 191 info->data = info->control; 192 info->control = intf; 193 } else 194 goto bad_desc; 195 } 196 197 /* some devices merge these - skip class check */ 198 if (info->control == info->data) 199 goto skip; 200 201 /* a data interface altsetting does the real i/o */ 202 d = &info->data->cur_altsetting->desc; 203 if (d->bInterfaceClass != USB_CLASS_CDC_DATA) { 204 dev_dbg(&intf->dev, "slave class %u\n", 205 d->bInterfaceClass); 206 goto bad_desc; 207 } 208 skip: 209 if ( rndis && 210 header.usb_cdc_acm_descriptor && 211 header.usb_cdc_acm_descriptor->bmCapabilities) { 212 dev_dbg(&intf->dev, 213 "ACM capabilities %02x, not really RNDIS?\n", 214 header.usb_cdc_acm_descriptor->bmCapabilities); 215 goto bad_desc; 216 } 217 218 if (header.usb_cdc_ether_desc) { 219 dev->hard_mtu = le16_to_cpu(info->ether->wMaxSegmentSize); 220 /* because of Zaurus, we may be ignoring the host 221 * side link address we were given. 222 */ 223 } 224 225 if (header.usb_cdc_mdlm_desc && 226 memcmp(header.usb_cdc_mdlm_desc->bGUID, mbm_guid, 16)) { 227 dev_dbg(&intf->dev, "GUID doesn't match\n"); 228 goto bad_desc; 229 } 230 231 if (header.usb_cdc_mdlm_detail_desc && 232 header.usb_cdc_mdlm_detail_desc->bLength < 233 (sizeof(struct usb_cdc_mdlm_detail_desc) + 1)) { 234 dev_dbg(&intf->dev, "Descriptor too short\n"); 235 goto bad_desc; 236 } 237 238 239 240 /* Microsoft ActiveSync based and some regular RNDIS devices lack the 241 * CDC descriptors, so we'll hard-wire the interfaces and not check 242 * for descriptors. 243 * 244 * Some Android RNDIS devices have a CDC Union descriptor pointing 245 * to non-existing interfaces. Ignore that and attempt the same 246 * hard-wired 0 and 1 interfaces. 247 */ 248 if (rndis && (!info->u || android_rndis_quirk)) { 249 info->control = usb_ifnum_to_if(dev->udev, 0); 250 info->data = usb_ifnum_to_if(dev->udev, 1); 251 if (!info->control || !info->data || info->control != intf) { 252 dev_dbg(&intf->dev, 253 "rndis: master #0/%p slave #1/%p\n", 254 info->control, 255 info->data); 256 goto bad_desc; 257 } 258 259 } else if (!info->header || !info->u || (!rndis && !info->ether)) { 260 dev_dbg(&intf->dev, "missing cdc %s%s%sdescriptor\n", 261 info->header ? "" : "header ", 262 info->u ? "" : "union ", 263 info->ether ? "" : "ether "); 264 goto bad_desc; 265 } 266 267 /* claim data interface and set it up ... with side effects. 268 * network traffic can't flow until an altsetting is enabled. 269 */ 270 if (info->data != info->control) { 271 status = usb_driver_claim_interface(driver, info->data, dev); 272 if (status < 0) 273 return status; 274 } 275 status = usbnet_get_endpoints(dev, info->data); 276 if (status < 0) { 277 /* ensure immediate exit from usbnet_disconnect */ 278 usb_set_intfdata(info->data, NULL); 279 if (info->data != info->control) 280 usb_driver_release_interface(driver, info->data); 281 return status; 282 } 283 284 /* status endpoint: optional for CDC Ethernet, not RNDIS (or ACM) */ 285 if (info->data != info->control) 286 dev->status = NULL; 287 if (info->control->cur_altsetting->desc.bNumEndpoints == 1) { 288 struct usb_endpoint_descriptor *desc; 289 290 dev->status = &info->control->cur_altsetting->endpoint [0]; 291 desc = &dev->status->desc; 292 if (!usb_endpoint_is_int_in(desc) || 293 (le16_to_cpu(desc->wMaxPacketSize) 294 < sizeof(struct usb_cdc_notification)) || 295 !desc->bInterval) { 296 dev_dbg(&intf->dev, "bad notification endpoint\n"); 297 dev->status = NULL; 298 } 299 } 300 if (rndis && !dev->status) { 301 dev_dbg(&intf->dev, "missing RNDIS status endpoint\n"); 302 usb_set_intfdata(info->data, NULL); 303 usb_driver_release_interface(driver, info->data); 304 return -ENODEV; 305 } 306 307 /* Some devices don't initialise properly. In particular 308 * the packet filter is not reset. There are devices that 309 * don't do reset all the way. So the packet filter should 310 * be set to a sane initial value. 311 */ 312 usbnet_cdc_update_filter(dev); 313 314 return 0; 315 316 bad_desc: 317 dev_info(&dev->udev->dev, "bad CDC descriptors\n"); 318 return -ENODEV; 319 } 320 EXPORT_SYMBOL_GPL(usbnet_generic_cdc_bind); 321 322 void usbnet_cdc_unbind(struct usbnet *dev, struct usb_interface *intf) 323 { 324 struct cdc_state *info = (void *) &dev->data; 325 struct usb_driver *driver = driver_of(intf); 326 327 /* combined interface - nothing to do */ 328 if (info->data == info->control) 329 return; 330 331 /* disconnect master --> disconnect slave */ 332 if (intf == info->control && info->data) { 333 /* ensure immediate exit from usbnet_disconnect */ 334 usb_set_intfdata(info->data, NULL); 335 usb_driver_release_interface(driver, info->data); 336 info->data = NULL; 337 } 338 339 /* and vice versa (just in case) */ 340 else if (intf == info->data && info->control) { 341 /* ensure immediate exit from usbnet_disconnect */ 342 usb_set_intfdata(info->control, NULL); 343 usb_driver_release_interface(driver, info->control); 344 info->control = NULL; 345 } 346 } 347 EXPORT_SYMBOL_GPL(usbnet_cdc_unbind); 348 349 /* Communications Device Class, Ethernet Control model 350 * 351 * Takes two interfaces. The DATA interface is inactive till an altsetting 352 * is selected. Configuration data includes class descriptors. There's 353 * an optional status endpoint on the control interface. 354 * 355 * This should interop with whatever the 2.4 "CDCEther.c" driver 356 * (by Brad Hards) talked with, with more functionality. 357 */ 358 359 static void dumpspeed(struct usbnet *dev, __le32 *speeds) 360 { 361 netif_info(dev, timer, dev->net, 362 "link speeds: %u kbps up, %u kbps down\n", 363 __le32_to_cpu(speeds[0]) / 1000, 364 __le32_to_cpu(speeds[1]) / 1000); 365 } 366 367 void usbnet_cdc_status(struct usbnet *dev, struct urb *urb) 368 { 369 struct usb_cdc_notification *event; 370 371 if (urb->actual_length < sizeof(*event)) 372 return; 373 374 /* SPEED_CHANGE can get split into two 8-byte packets */ 375 if (test_and_clear_bit(EVENT_STS_SPLIT, &dev->flags)) { 376 dumpspeed(dev, (__le32 *) urb->transfer_buffer); 377 return; 378 } 379 380 event = urb->transfer_buffer; 381 switch (event->bNotificationType) { 382 case USB_CDC_NOTIFY_NETWORK_CONNECTION: 383 netif_dbg(dev, timer, dev->net, "CDC: carrier %s\n", 384 event->wValue ? "on" : "off"); 385 usbnet_link_change(dev, !!event->wValue, 0); 386 break; 387 case USB_CDC_NOTIFY_SPEED_CHANGE: /* tx/rx rates */ 388 netif_dbg(dev, timer, dev->net, "CDC: speed change (len %d)\n", 389 urb->actual_length); 390 if (urb->actual_length != (sizeof(*event) + 8)) 391 set_bit(EVENT_STS_SPLIT, &dev->flags); 392 else 393 dumpspeed(dev, (__le32 *) &event[1]); 394 break; 395 /* USB_CDC_NOTIFY_RESPONSE_AVAILABLE can happen too (e.g. RNDIS), 396 * but there are no standard formats for the response data. 397 */ 398 default: 399 netdev_err(dev->net, "CDC: unexpected notification %02x!\n", 400 event->bNotificationType); 401 break; 402 } 403 } 404 EXPORT_SYMBOL_GPL(usbnet_cdc_status); 405 406 int usbnet_cdc_bind(struct usbnet *dev, struct usb_interface *intf) 407 { 408 int status; 409 struct cdc_state *info = (void *) &dev->data; 410 411 BUILD_BUG_ON((sizeof(((struct usbnet *)0)->data) 412 < sizeof(struct cdc_state))); 413 414 status = usbnet_generic_cdc_bind(dev, intf); 415 if (status < 0) 416 return status; 417 418 status = usbnet_get_ethernet_addr(dev, info->ether->iMACAddress); 419 if (status < 0) { 420 usb_set_intfdata(info->data, NULL); 421 usb_driver_release_interface(driver_of(intf), info->data); 422 return status; 423 } 424 425 return 0; 426 } 427 EXPORT_SYMBOL_GPL(usbnet_cdc_bind); 428 429 static const struct driver_info cdc_info = { 430 .description = "CDC Ethernet Device", 431 .flags = FLAG_ETHER | FLAG_POINTTOPOINT, 432 .bind = usbnet_cdc_bind, 433 .unbind = usbnet_cdc_unbind, 434 .status = usbnet_cdc_status, 435 .set_rx_mode = usbnet_cdc_update_filter, 436 .manage_power = usbnet_manage_power, 437 }; 438 439 static const struct driver_info wwan_info = { 440 .description = "Mobile Broadband Network Device", 441 .flags = FLAG_WWAN, 442 .bind = usbnet_cdc_bind, 443 .unbind = usbnet_cdc_unbind, 444 .status = usbnet_cdc_status, 445 .set_rx_mode = usbnet_cdc_update_filter, 446 .manage_power = usbnet_manage_power, 447 }; 448 449 /*-------------------------------------------------------------------------*/ 450 451 #define HUAWEI_VENDOR_ID 0x12D1 452 #define NOVATEL_VENDOR_ID 0x1410 453 #define ZTE_VENDOR_ID 0x19D2 454 #define DELL_VENDOR_ID 0x413C 455 #define REALTEK_VENDOR_ID 0x0bda 456 #define SAMSUNG_VENDOR_ID 0x04e8 457 #define LENOVO_VENDOR_ID 0x17ef 458 #define NVIDIA_VENDOR_ID 0x0955 459 460 static const struct usb_device_id products[] = { 461 /* BLACKLIST !! 462 * 463 * First blacklist any products that are egregiously nonconformant 464 * with the CDC Ethernet specs. Minor braindamage we cope with; when 465 * they're not even trying, needing a separate driver is only the first 466 * of the differences to show up. 467 */ 468 469 #define ZAURUS_MASTER_INTERFACE \ 470 .bInterfaceClass = USB_CLASS_COMM, \ 471 .bInterfaceSubClass = USB_CDC_SUBCLASS_ETHERNET, \ 472 .bInterfaceProtocol = USB_CDC_PROTO_NONE 473 474 /* SA-1100 based Sharp Zaurus ("collie"), or compatible; 475 * wire-incompatible with true CDC Ethernet implementations. 476 * (And, it seems, needlessly so...) 477 */ 478 { 479 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 480 | USB_DEVICE_ID_MATCH_DEVICE, 481 .idVendor = 0x04DD, 482 .idProduct = 0x8004, 483 ZAURUS_MASTER_INTERFACE, 484 .driver_info = 0, 485 }, 486 487 /* PXA-25x based Sharp Zaurii. Note that it seems some of these 488 * (later models especially) may have shipped only with firmware 489 * advertising false "CDC MDLM" compatibility ... but we're not 490 * clear which models did that, so for now let's assume the worst. 491 */ 492 { 493 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 494 | USB_DEVICE_ID_MATCH_DEVICE, 495 .idVendor = 0x04DD, 496 .idProduct = 0x8005, /* A-300 */ 497 ZAURUS_MASTER_INTERFACE, 498 .driver_info = 0, 499 }, { 500 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 501 | USB_DEVICE_ID_MATCH_DEVICE, 502 .idVendor = 0x04DD, 503 .idProduct = 0x8006, /* B-500/SL-5600 */ 504 ZAURUS_MASTER_INTERFACE, 505 .driver_info = 0, 506 }, { 507 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 508 | USB_DEVICE_ID_MATCH_DEVICE, 509 .idVendor = 0x04DD, 510 .idProduct = 0x8007, /* C-700 */ 511 ZAURUS_MASTER_INTERFACE, 512 .driver_info = 0, 513 }, { 514 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 515 | USB_DEVICE_ID_MATCH_DEVICE, 516 .idVendor = 0x04DD, 517 .idProduct = 0x9031, /* C-750 C-760 */ 518 ZAURUS_MASTER_INTERFACE, 519 .driver_info = 0, 520 }, { 521 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 522 | USB_DEVICE_ID_MATCH_DEVICE, 523 .idVendor = 0x04DD, 524 .idProduct = 0x9032, /* SL-6000 */ 525 ZAURUS_MASTER_INTERFACE, 526 .driver_info = 0, 527 }, { 528 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 529 | USB_DEVICE_ID_MATCH_DEVICE, 530 .idVendor = 0x04DD, 531 /* reported with some C860 units */ 532 .idProduct = 0x9050, /* C-860 */ 533 ZAURUS_MASTER_INTERFACE, 534 .driver_info = 0, 535 }, 536 537 /* Olympus has some models with a Zaurus-compatible option. 538 * R-1000 uses a FreeScale i.MXL cpu (ARMv4T) 539 */ 540 { 541 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 542 | USB_DEVICE_ID_MATCH_DEVICE, 543 .idVendor = 0x07B4, 544 .idProduct = 0x0F02, /* R-1000 */ 545 ZAURUS_MASTER_INTERFACE, 546 .driver_info = 0, 547 }, 548 549 /* LG Electronics VL600 wants additional headers on every frame */ 550 { 551 USB_DEVICE_AND_INTERFACE_INFO(0x1004, 0x61aa, USB_CLASS_COMM, 552 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 553 .driver_info = 0, 554 }, 555 556 /* Logitech Harmony 900 - uses the pseudo-MDLM (BLAN) driver */ 557 { 558 USB_DEVICE_AND_INTERFACE_INFO(0x046d, 0xc11f, USB_CLASS_COMM, 559 USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE), 560 .driver_info = 0, 561 }, 562 563 /* Novatel USB551L and MC551 - handled by qmi_wwan */ 564 { 565 USB_DEVICE_AND_INTERFACE_INFO(NOVATEL_VENDOR_ID, 0xB001, USB_CLASS_COMM, 566 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 567 .driver_info = 0, 568 }, 569 570 /* Novatel E362 - handled by qmi_wwan */ 571 { 572 USB_DEVICE_AND_INTERFACE_INFO(NOVATEL_VENDOR_ID, 0x9010, USB_CLASS_COMM, 573 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 574 .driver_info = 0, 575 }, 576 577 /* Dell Wireless 5800 (Novatel E362) - handled by qmi_wwan */ 578 { 579 USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, 0x8195, USB_CLASS_COMM, 580 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 581 .driver_info = 0, 582 }, 583 584 /* Dell Wireless 5800 (Novatel E362) - handled by qmi_wwan */ 585 { 586 USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, 0x8196, USB_CLASS_COMM, 587 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 588 .driver_info = 0, 589 }, 590 591 /* Dell Wireless 5804 (Novatel E371) - handled by qmi_wwan */ 592 { 593 USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, 0x819b, USB_CLASS_COMM, 594 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 595 .driver_info = 0, 596 }, 597 598 /* Novatel Expedite E371 - handled by qmi_wwan */ 599 { 600 USB_DEVICE_AND_INTERFACE_INFO(NOVATEL_VENDOR_ID, 0x9011, USB_CLASS_COMM, 601 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 602 .driver_info = 0, 603 }, 604 605 /* AnyDATA ADU960S - handled by qmi_wwan */ 606 { 607 USB_DEVICE_AND_INTERFACE_INFO(0x16d5, 0x650a, USB_CLASS_COMM, 608 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 609 .driver_info = 0, 610 }, 611 612 /* Huawei E1820 - handled by qmi_wwan */ 613 { 614 USB_DEVICE_INTERFACE_NUMBER(HUAWEI_VENDOR_ID, 0x14ac, 1), 615 .driver_info = 0, 616 }, 617 618 /* Realtek RTL8152 Based USB 2.0 Ethernet Adapters */ 619 { 620 USB_DEVICE_AND_INTERFACE_INFO(REALTEK_VENDOR_ID, 0x8152, USB_CLASS_COMM, 621 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 622 .driver_info = 0, 623 }, 624 625 /* Realtek RTL8153 Based USB 3.0 Ethernet Adapters */ 626 { 627 USB_DEVICE_AND_INTERFACE_INFO(REALTEK_VENDOR_ID, 0x8153, USB_CLASS_COMM, 628 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 629 .driver_info = 0, 630 }, 631 632 /* Samsung USB Ethernet Adapters */ 633 { 634 USB_DEVICE_AND_INTERFACE_INFO(SAMSUNG_VENDOR_ID, 0xa101, USB_CLASS_COMM, 635 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 636 .driver_info = 0, 637 }, 638 639 /* Lenovo Thinkpad USB 3.0 Ethernet Adapters (based on Realtek RTL8153) */ 640 { 641 USB_DEVICE_AND_INTERFACE_INFO(LENOVO_VENDOR_ID, 0x7205, USB_CLASS_COMM, 642 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 643 .driver_info = 0, 644 }, 645 646 /* NVIDIA Tegra USB 3.0 Ethernet Adapters (based on Realtek RTL8153) */ 647 { 648 USB_DEVICE_AND_INTERFACE_INFO(NVIDIA_VENDOR_ID, 0x09ff, USB_CLASS_COMM, 649 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 650 .driver_info = 0, 651 }, 652 653 /* WHITELIST!!! 654 * 655 * CDC Ether uses two interfaces, not necessarily consecutive. 656 * We match the main interface, ignoring the optional device 657 * class so we could handle devices that aren't exclusively 658 * CDC ether. 659 * 660 * NOTE: this match must come AFTER entries blacklisting devices 661 * because of bugs/quirks in a given product (like Zaurus, above). 662 */ 663 { 664 /* ZTE (Vodafone) K3805-Z */ 665 USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1003, USB_CLASS_COMM, 666 USB_CDC_SUBCLASS_ETHERNET, 667 USB_CDC_PROTO_NONE), 668 .driver_info = (unsigned long)&wwan_info, 669 }, { 670 /* ZTE (Vodafone) K3806-Z */ 671 USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1015, USB_CLASS_COMM, 672 USB_CDC_SUBCLASS_ETHERNET, 673 USB_CDC_PROTO_NONE), 674 .driver_info = (unsigned long)&wwan_info, 675 }, { 676 /* ZTE (Vodafone) K4510-Z */ 677 USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1173, USB_CLASS_COMM, 678 USB_CDC_SUBCLASS_ETHERNET, 679 USB_CDC_PROTO_NONE), 680 .driver_info = (unsigned long)&wwan_info, 681 }, { 682 /* ZTE (Vodafone) K3770-Z */ 683 USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1177, USB_CLASS_COMM, 684 USB_CDC_SUBCLASS_ETHERNET, 685 USB_CDC_PROTO_NONE), 686 .driver_info = (unsigned long)&wwan_info, 687 }, { 688 /* ZTE (Vodafone) K3772-Z */ 689 USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1181, USB_CLASS_COMM, 690 USB_CDC_SUBCLASS_ETHERNET, 691 USB_CDC_PROTO_NONE), 692 .driver_info = (unsigned long)&wwan_info, 693 }, { 694 /* Telit modules */ 695 USB_VENDOR_AND_INTERFACE_INFO(0x1bc7, USB_CLASS_COMM, 696 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 697 .driver_info = (kernel_ulong_t) &wwan_info, 698 }, { 699 /* Dell DW5580 modules */ 700 USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, 0x81ba, USB_CLASS_COMM, 701 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 702 .driver_info = (kernel_ulong_t)&wwan_info, 703 }, { 704 USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_ETHERNET, 705 USB_CDC_PROTO_NONE), 706 .driver_info = (unsigned long) &cdc_info, 707 }, { 708 USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_MDLM, 709 USB_CDC_PROTO_NONE), 710 .driver_info = (unsigned long)&wwan_info, 711 712 }, { 713 /* Various Huawei modems with a network port like the UMG1831 */ 714 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_COMM, 715 USB_CDC_SUBCLASS_ETHERNET, 255), 716 .driver_info = (unsigned long)&wwan_info, 717 }, 718 { }, /* END */ 719 }; 720 MODULE_DEVICE_TABLE(usb, products); 721 722 static struct usb_driver cdc_driver = { 723 .name = "cdc_ether", 724 .id_table = products, 725 .probe = usbnet_probe, 726 .disconnect = usbnet_disconnect, 727 .suspend = usbnet_suspend, 728 .resume = usbnet_resume, 729 .reset_resume = usbnet_resume, 730 .supports_autosuspend = 1, 731 .disable_hub_initiated_lpm = 1, 732 }; 733 734 module_usb_driver(cdc_driver); 735 736 MODULE_AUTHOR("David Brownell"); 737 MODULE_DESCRIPTION("USB CDC Ethernet devices"); 738 MODULE_LICENSE("GPL"); 739