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_mdlm_desc *desc = NULL; 116 struct usb_cdc_mdlm_detail_desc *detail = NULL; 117 118 if (sizeof(dev->data) < sizeof(*info)) 119 return -EDOM; 120 121 /* expect strict spec conformance for the descriptors, but 122 * cope with firmware which stores them in the wrong place 123 */ 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 127 */ 128 buf = dev->udev->actconfig->extra; 129 len = dev->udev->actconfig->extralen; 130 dev_dbg(&intf->dev, "CDC descriptors on config\n"); 131 } 132 133 /* Maybe CDC descriptors are after the endpoint? This bug has 134 * been seen on some 2Wire Inc RNDIS-ish products. 135 */ 136 if (len == 0) { 137 struct usb_host_endpoint *hep; 138 139 hep = intf->cur_altsetting->endpoint; 140 if (hep) { 141 buf = hep->extra; 142 len = hep->extralen; 143 } 144 if (len) 145 dev_dbg(&intf->dev, 146 "CDC descriptors on endpoint\n"); 147 } 148 149 /* this assumes that if there's a non-RNDIS vendor variant 150 * of cdc-acm, it'll fail RNDIS requests cleanly. 151 */ 152 rndis = (is_rndis(&intf->cur_altsetting->desc) || 153 is_activesync(&intf->cur_altsetting->desc) || 154 is_wireless_rndis(&intf->cur_altsetting->desc)); 155 156 memset(info, 0, sizeof(*info)); 157 info->control = intf; 158 while (len > 3) { 159 if (buf[1] != USB_DT_CS_INTERFACE) 160 goto next_desc; 161 162 /* 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. 168 */ 169 switch (buf[2]) { 170 case USB_CDC_HEADER_TYPE: 171 if (info->header) { 172 dev_dbg(&intf->dev, "extra CDC header\n"); 173 goto bad_desc; 174 } 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); 179 goto bad_desc; 180 } 181 break; 182 case USB_CDC_ACM_TYPE: 183 /* paranoia: disambiguate a "real" vendor-specific 184 * modem interface from an RNDIS non-modem. 185 */ 186 if (rndis) { 187 struct usb_cdc_acm_descriptor *acm; 188 189 acm = (void *) buf; 190 if (acm->bmCapabilities) { 191 dev_dbg(&intf->dev, 192 "ACM capabilities %02x, " 193 "not really RNDIS?\n", 194 acm->bmCapabilities); 195 goto bad_desc; 196 } 197 } 198 break; 199 case USB_CDC_UNION_TYPE: 200 if (info->u) { 201 dev_dbg(&intf->dev, "extra CDC union\n"); 202 goto bad_desc; 203 } 204 info->u = (void *) buf; 205 if (info->u->bLength != sizeof(*info->u)) { 206 dev_dbg(&intf->dev, "CDC union len %u\n", 207 info->u->bLength); 208 goto bad_desc; 209 } 210 211 /* we need a master/control interface (what we're 212 * probed with) and a slave/data interface; union 213 * descriptors sort this all out. 214 */ 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) { 220 dev_dbg(&intf->dev, 221 "master #%u/%p slave #%u/%p\n", 222 info->u->bMasterInterface0, 223 info->control, 224 info->u->bSlaveInterface0, 225 info->data); 226 /* fall back to hard-wiring for RNDIS */ 227 if (rndis) { 228 android_rndis_quirk = true; 229 goto next_desc; 230 } 231 goto bad_desc; 232 } 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. 237 */ 238 if (info->data == intf) { 239 info->data = info->control; 240 info->control = intf; 241 } else 242 goto bad_desc; 243 } 244 245 /* some devices merge these - skip class check */ 246 if (info->control == info->data) 247 goto next_desc; 248 249 /* 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", 253 d->bInterfaceClass); 254 goto bad_desc; 255 } 256 break; 257 case USB_CDC_ETHERNET_TYPE: 258 if (info->ether) { 259 dev_dbg(&intf->dev, "extra CDC ether\n"); 260 goto bad_desc; 261 } 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); 266 goto bad_desc; 267 } 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. 272 */ 273 break; 274 case USB_CDC_MDLM_TYPE: 275 if (desc) { 276 dev_dbg(&intf->dev, "extra MDLM descriptor\n"); 277 goto bad_desc; 278 } 279 280 desc = (void *)buf; 281 282 if (desc->bLength != sizeof(*desc)) 283 goto bad_desc; 284 285 if (memcmp(&desc->bGUID, mbm_guid, 16)) 286 goto bad_desc; 287 break; 288 case USB_CDC_MDLM_DETAIL_TYPE: 289 if (detail) { 290 dev_dbg(&intf->dev, "extra MDLM detail descriptor\n"); 291 goto bad_desc; 292 } 293 294 detail = (void *)buf; 295 296 if (detail->bGuidDescriptorType == 0) { 297 if (detail->bLength < (sizeof(*detail) + 1)) 298 goto bad_desc; 299 } else 300 goto bad_desc; 301 break; 302 } 303 next_desc: 304 len -= buf[0]; /* bLength */ 305 buf += buf[0]; 306 } 307 308 /* Microsoft ActiveSync based and some regular RNDIS devices lack the 309 * CDC descriptors, so we'll hard-wire the interfaces and not check 310 * for descriptors. 311 * 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. 315 */ 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) { 320 dev_dbg(&intf->dev, 321 "rndis: master #0/%p slave #1/%p\n", 322 info->control, 323 info->data); 324 goto bad_desc; 325 } 326 327 } 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 "); 332 goto bad_desc; 333 } 334 335 /* claim data interface and set it up ... with side effects. 336 * network traffic can't flow until an altsetting is enabled. 337 */ 338 if (info->data != info->control) { 339 status = usb_driver_claim_interface(driver, info->data, dev); 340 if (status < 0) 341 return status; 342 } 343 status = usbnet_get_endpoints(dev, info->data); 344 if (status < 0) { 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); 349 return status; 350 } 351 352 /* status endpoint: optional for CDC Ethernet, not RNDIS (or ACM) */ 353 if (info->data != info->control) 354 dev->status = NULL; 355 if (info->control->cur_altsetting->desc.bNumEndpoints == 1) { 356 struct usb_endpoint_descriptor *desc; 357 358 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)) || 363 !desc->bInterval) { 364 dev_dbg(&intf->dev, "bad notification endpoint\n"); 365 dev->status = NULL; 366 } 367 } 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); 372 return -ENODEV; 373 } 374 375 /* 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. 379 */ 380 usbnet_cdc_update_filter(dev); 381 382 return 0; 383 384 bad_desc: 385 dev_info(&dev->udev->dev, "bad CDC descriptors\n"); 386 return -ENODEV; 387 } 388 EXPORT_SYMBOL_GPL(usbnet_generic_cdc_bind); 389 390 void usbnet_cdc_unbind(struct usbnet *dev, struct usb_interface *intf) 391 { 392 struct cdc_state *info = (void *) &dev->data; 393 struct usb_driver *driver = driver_of(intf); 394 395 /* combined interface - nothing to do */ 396 if (info->data == info->control) 397 return; 398 399 /* 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); 404 info->data = NULL; 405 } 406 407 /* 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; 413 } 414 } 415 EXPORT_SYMBOL_GPL(usbnet_cdc_unbind); 416 417 /* Communications Device Class, Ethernet Control model 418 * 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. 422 * 423 * This should interop with whatever the 2.4 "CDCEther.c" driver 424 * (by Brad Hards) talked with, with more functionality. 425 */ 426 427 static void dumpspeed(struct usbnet *dev, __le32 *speeds) 428 { 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); 433 } 434 435 void usbnet_cdc_status(struct usbnet *dev, struct urb *urb) 436 { 437 struct usb_cdc_notification *event; 438 439 if (urb->actual_length < sizeof(*event)) 440 return; 441 442 /* 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); 445 return; 446 } 447 448 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); 454 break; 455 case USB_CDC_NOTIFY_SPEED_CHANGE: /* tx/rx rates */ 456 netif_dbg(dev, timer, dev->net, "CDC: speed change (len %d)\n", 457 urb->actual_length); 458 if (urb->actual_length != (sizeof(*event) + 8)) 459 set_bit(EVENT_STS_SPLIT, &dev->flags); 460 else 461 dumpspeed(dev, (__le32 *) &event[1]); 462 break; 463 /* USB_CDC_NOTIFY_RESPONSE_AVAILABLE can happen too (e.g. RNDIS), 464 * but there are no standard formats for the response data. 465 */ 466 default: 467 netdev_err(dev->net, "CDC: unexpected notification %02x!\n", 468 event->bNotificationType); 469 break; 470 } 471 } 472 EXPORT_SYMBOL_GPL(usbnet_cdc_status); 473 474 int usbnet_cdc_bind(struct usbnet *dev, struct usb_interface *intf) 475 { 476 int status; 477 struct cdc_state *info = (void *) &dev->data; 478 479 BUILD_BUG_ON((sizeof(((struct usbnet *)0)->data) 480 < sizeof(struct cdc_state))); 481 482 status = usbnet_generic_cdc_bind(dev, intf); 483 if (status < 0) 484 return status; 485 486 status = usbnet_get_ethernet_addr(dev, info->ether->iMACAddress); 487 if (status < 0) { 488 usb_set_intfdata(info->data, NULL); 489 usb_driver_release_interface(driver_of(intf), info->data); 490 return status; 491 } 492 493 return 0; 494 } 495 EXPORT_SYMBOL_GPL(usbnet_cdc_bind); 496 497 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, 505 }; 506 507 static const struct driver_info wwan_info = { 508 .description = "Mobile Broadband Network Device", 509 .flags = FLAG_WWAN, 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, 515 }; 516 517 /*-------------------------------------------------------------------------*/ 518 519 #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 525 526 static const struct usb_device_id products[] = { 527 /* BLACKLIST !! 528 * 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. 533 */ 534 535 #define ZAURUS_MASTER_INTERFACE \ 536 .bInterfaceClass = USB_CLASS_COMM, \ 537 .bInterfaceSubClass = USB_CDC_SUBCLASS_ETHERNET, \ 538 .bInterfaceProtocol = USB_CDC_PROTO_NONE 539 540 /* SA-1100 based Sharp Zaurus ("collie"), or compatible; 541 * wire-incompatible with true CDC Ethernet implementations. 542 * (And, it seems, needlessly so...) 543 */ 544 { 545 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 546 | USB_DEVICE_ID_MATCH_DEVICE, 547 .idVendor = 0x04DD, 548 .idProduct = 0x8004, 549 ZAURUS_MASTER_INTERFACE, 550 .driver_info = 0, 551 }, 552 553 /* 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. 557 */ 558 { 559 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 560 | USB_DEVICE_ID_MATCH_DEVICE, 561 .idVendor = 0x04DD, 562 .idProduct = 0x8005, /* A-300 */ 563 ZAURUS_MASTER_INTERFACE, 564 .driver_info = 0, 565 }, { 566 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 567 | USB_DEVICE_ID_MATCH_DEVICE, 568 .idVendor = 0x04DD, 569 .idProduct = 0x8006, /* B-500/SL-5600 */ 570 ZAURUS_MASTER_INTERFACE, 571 .driver_info = 0, 572 }, { 573 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 574 | USB_DEVICE_ID_MATCH_DEVICE, 575 .idVendor = 0x04DD, 576 .idProduct = 0x8007, /* C-700 */ 577 ZAURUS_MASTER_INTERFACE, 578 .driver_info = 0, 579 }, { 580 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 581 | USB_DEVICE_ID_MATCH_DEVICE, 582 .idVendor = 0x04DD, 583 .idProduct = 0x9031, /* C-750 C-760 */ 584 ZAURUS_MASTER_INTERFACE, 585 .driver_info = 0, 586 }, { 587 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 588 | USB_DEVICE_ID_MATCH_DEVICE, 589 .idVendor = 0x04DD, 590 .idProduct = 0x9032, /* SL-6000 */ 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 /* reported with some C860 units */ 598 .idProduct = 0x9050, /* C-860 */ 599 ZAURUS_MASTER_INTERFACE, 600 .driver_info = 0, 601 }, 602 603 /* Olympus has some models with a Zaurus-compatible option. 604 * R-1000 uses a FreeScale i.MXL cpu (ARMv4T) 605 */ 606 { 607 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 608 | USB_DEVICE_ID_MATCH_DEVICE, 609 .idVendor = 0x07B4, 610 .idProduct = 0x0F02, /* R-1000 */ 611 ZAURUS_MASTER_INTERFACE, 612 .driver_info = 0, 613 }, 614 615 /* LG Electronics VL600 wants additional headers on every frame */ 616 { 617 USB_DEVICE_AND_INTERFACE_INFO(0x1004, 0x61aa, USB_CLASS_COMM, 618 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 619 .driver_info = 0, 620 }, 621 622 /* Logitech Harmony 900 - uses the pseudo-MDLM (BLAN) driver */ 623 { 624 USB_DEVICE_AND_INTERFACE_INFO(0x046d, 0xc11f, USB_CLASS_COMM, 625 USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE), 626 .driver_info = 0, 627 }, 628 629 /* Novatel USB551L and MC551 - handled by qmi_wwan */ 630 { 631 USB_DEVICE_AND_INTERFACE_INFO(NOVATEL_VENDOR_ID, 0xB001, USB_CLASS_COMM, 632 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 633 .driver_info = 0, 634 }, 635 636 /* Novatel E362 - handled by qmi_wwan */ 637 { 638 USB_DEVICE_AND_INTERFACE_INFO(NOVATEL_VENDOR_ID, 0x9010, USB_CLASS_COMM, 639 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 640 .driver_info = 0, 641 }, 642 643 /* Dell Wireless 5800 (Novatel E362) - handled by qmi_wwan */ 644 { 645 USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, 0x8195, USB_CLASS_COMM, 646 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 647 .driver_info = 0, 648 }, 649 650 /* Dell Wireless 5800 (Novatel E362) - handled by qmi_wwan */ 651 { 652 USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, 0x8196, USB_CLASS_COMM, 653 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 654 .driver_info = 0, 655 }, 656 657 /* Dell Wireless 5804 (Novatel E371) - handled by qmi_wwan */ 658 { 659 USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, 0x819b, USB_CLASS_COMM, 660 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 661 .driver_info = 0, 662 }, 663 664 /* Novatel Expedite E371 - handled by qmi_wwan */ 665 { 666 USB_DEVICE_AND_INTERFACE_INFO(NOVATEL_VENDOR_ID, 0x9011, USB_CLASS_COMM, 667 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 668 .driver_info = 0, 669 }, 670 671 /* AnyDATA ADU960S - handled by qmi_wwan */ 672 { 673 USB_DEVICE_AND_INTERFACE_INFO(0x16d5, 0x650a, USB_CLASS_COMM, 674 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 675 .driver_info = 0, 676 }, 677 678 /* Huawei E1820 - handled by qmi_wwan */ 679 { 680 USB_DEVICE_INTERFACE_NUMBER(HUAWEI_VENDOR_ID, 0x14ac, 1), 681 .driver_info = 0, 682 }, 683 684 /* Realtek RTL8152 Based USB 2.0 Ethernet Adapters */ 685 { 686 USB_DEVICE_AND_INTERFACE_INFO(REALTEK_VENDOR_ID, 0x8152, USB_CLASS_COMM, 687 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 688 .driver_info = 0, 689 }, 690 691 /* Realtek RTL8153 Based USB 3.0 Ethernet Adapters */ 692 { 693 USB_DEVICE_AND_INTERFACE_INFO(REALTEK_VENDOR_ID, 0x8153, USB_CLASS_COMM, 694 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 695 .driver_info = 0, 696 }, 697 698 /* Samsung USB Ethernet Adapters */ 699 { 700 USB_DEVICE_AND_INTERFACE_INFO(SAMSUNG_VENDOR_ID, 0xa101, USB_CLASS_COMM, 701 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 702 .driver_info = 0, 703 }, 704 705 /* WHITELIST!!! 706 * 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 710 * CDC ether. 711 * 712 * NOTE: this match must come AFTER entries blacklisting devices 713 * because of bugs/quirks in a given product (like Zaurus, above). 714 */ 715 { 716 /* ZTE (Vodafone) K3805-Z */ 717 USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1003, USB_CLASS_COMM, 718 USB_CDC_SUBCLASS_ETHERNET, 719 USB_CDC_PROTO_NONE), 720 .driver_info = (unsigned long)&wwan_info, 721 }, { 722 /* ZTE (Vodafone) K3806-Z */ 723 USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1015, USB_CLASS_COMM, 724 USB_CDC_SUBCLASS_ETHERNET, 725 USB_CDC_PROTO_NONE), 726 .driver_info = (unsigned long)&wwan_info, 727 }, { 728 /* ZTE (Vodafone) K4510-Z */ 729 USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1173, USB_CLASS_COMM, 730 USB_CDC_SUBCLASS_ETHERNET, 731 USB_CDC_PROTO_NONE), 732 .driver_info = (unsigned long)&wwan_info, 733 }, { 734 /* ZTE (Vodafone) K3770-Z */ 735 USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1177, USB_CLASS_COMM, 736 USB_CDC_SUBCLASS_ETHERNET, 737 USB_CDC_PROTO_NONE), 738 .driver_info = (unsigned long)&wwan_info, 739 }, { 740 /* ZTE (Vodafone) K3772-Z */ 741 USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1181, USB_CLASS_COMM, 742 USB_CDC_SUBCLASS_ETHERNET, 743 USB_CDC_PROTO_NONE), 744 .driver_info = (unsigned long)&wwan_info, 745 }, { 746 /* Telit modules */ 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, 750 }, { 751 USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_ETHERNET, 752 USB_CDC_PROTO_NONE), 753 .driver_info = (unsigned long) &cdc_info, 754 }, { 755 USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_MDLM, 756 USB_CDC_PROTO_NONE), 757 .driver_info = (unsigned long)&wwan_info, 758 759 }, { 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, 764 }, 765 { }, /* END */ 766 }; 767 MODULE_DEVICE_TABLE(usb, products); 768 769 static struct usb_driver cdc_driver = { 770 .name = "cdc_ether", 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, 779 }; 780 781 module_usb_driver(cdc_driver); 782 783 MODULE_AUTHOR("David Brownell"); 784 MODULE_DESCRIPTION("USB CDC Ethernet devices"); 785 MODULE_LICENSE("GPL"); 786