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 75 u16 cdc_filter = 76 USB_CDC_PACKET_TYPE_ALL_MULTICAST | USB_CDC_PACKET_TYPE_DIRECTED | 77 USB_CDC_PACKET_TYPE_BROADCAST; 78 79 if (dev->net->flags & IFF_PROMISC) 80 cdc_filter |= USB_CDC_PACKET_TYPE_PROMISCUOUS; 81 82 /* FIXME cdc-ether has some multicast code too, though it complains 83 * in routine cases. info->ether describes the multicast support. 84 * Implement that here, manipulating the cdc filter as needed. 85 */ 86 87 usb_control_msg(dev->udev, 88 usb_sndctrlpipe(dev->udev, 0), 89 USB_CDC_SET_ETHERNET_PACKET_FILTER, 90 USB_TYPE_CLASS | USB_RECIP_INTERFACE, 91 cdc_filter, 92 intf->cur_altsetting->desc.bInterfaceNumber, 93 NULL, 94 0, 95 USB_CTRL_SET_TIMEOUT 96 ); 97 } 98 99 /* probes control interface, claims data interface, collects the bulk 100 * endpoints, activates data interface (if needed), maybe sets MTU. 101 * all pure cdc, except for certain firmware workarounds, and knowing 102 * that rndis uses one different rule. 103 */ 104 int usbnet_generic_cdc_bind(struct usbnet *dev, struct usb_interface *intf) 105 { 106 u8 *buf = intf->cur_altsetting->extra; 107 int len = intf->cur_altsetting->extralen; 108 struct usb_interface_descriptor *d; 109 struct cdc_state *info = (void *) &dev->data; 110 int status; 111 int rndis; 112 bool android_rndis_quirk = false; 113 struct usb_driver *driver = driver_of(intf); 114 struct usb_cdc_mdlm_desc *desc = NULL; 115 struct usb_cdc_mdlm_detail_desc *detail = NULL; 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 while (len > 3) { 158 if (buf[1] != USB_DT_CS_INTERFACE) 159 goto next_desc; 160 161 /* use bDescriptorSubType to identify the CDC descriptors. 162 * We expect devices with CDC header and union descriptors. 163 * For CDC Ethernet we need the ethernet descriptor. 164 * For RNDIS, ignore two (pointless) CDC modem descriptors 165 * in favor of a complicated OID-based RPC scheme doing what 166 * CDC Ethernet achieves with a simple descriptor. 167 */ 168 switch (buf[2]) { 169 case USB_CDC_HEADER_TYPE: 170 if (info->header) { 171 dev_dbg(&intf->dev, "extra CDC header\n"); 172 goto bad_desc; 173 } 174 info->header = (void *) buf; 175 if (info->header->bLength != sizeof(*info->header)) { 176 dev_dbg(&intf->dev, "CDC header len %u\n", 177 info->header->bLength); 178 goto bad_desc; 179 } 180 break; 181 case USB_CDC_ACM_TYPE: 182 /* paranoia: disambiguate a "real" vendor-specific 183 * modem interface from an RNDIS non-modem. 184 */ 185 if (rndis) { 186 struct usb_cdc_acm_descriptor *acm; 187 188 acm = (void *) buf; 189 if (acm->bmCapabilities) { 190 dev_dbg(&intf->dev, 191 "ACM capabilities %02x, " 192 "not really RNDIS?\n", 193 acm->bmCapabilities); 194 goto bad_desc; 195 } 196 } 197 break; 198 case USB_CDC_UNION_TYPE: 199 if (info->u) { 200 dev_dbg(&intf->dev, "extra CDC union\n"); 201 goto bad_desc; 202 } 203 info->u = (void *) buf; 204 if (info->u->bLength != sizeof(*info->u)) { 205 dev_dbg(&intf->dev, "CDC union len %u\n", 206 info->u->bLength); 207 goto bad_desc; 208 } 209 210 /* we need a master/control interface (what we're 211 * probed with) and a slave/data interface; union 212 * descriptors sort this all out. 213 */ 214 info->control = usb_ifnum_to_if(dev->udev, 215 info->u->bMasterInterface0); 216 info->data = usb_ifnum_to_if(dev->udev, 217 info->u->bSlaveInterface0); 218 if (!info->control || !info->data) { 219 dev_dbg(&intf->dev, 220 "master #%u/%p slave #%u/%p\n", 221 info->u->bMasterInterface0, 222 info->control, 223 info->u->bSlaveInterface0, 224 info->data); 225 /* fall back to hard-wiring for RNDIS */ 226 if (rndis) { 227 android_rndis_quirk = true; 228 goto next_desc; 229 } 230 goto bad_desc; 231 } 232 if (info->control != intf) { 233 dev_dbg(&intf->dev, "bogus CDC Union\n"); 234 /* Ambit USB Cable Modem (and maybe others) 235 * interchanges master and slave interface. 236 */ 237 if (info->data == intf) { 238 info->data = info->control; 239 info->control = intf; 240 } else 241 goto bad_desc; 242 } 243 244 /* some devices merge these - skip class check */ 245 if (info->control == info->data) 246 goto next_desc; 247 248 /* a data interface altsetting does the real i/o */ 249 d = &info->data->cur_altsetting->desc; 250 if (d->bInterfaceClass != USB_CLASS_CDC_DATA) { 251 dev_dbg(&intf->dev, "slave class %u\n", 252 d->bInterfaceClass); 253 goto bad_desc; 254 } 255 break; 256 case USB_CDC_ETHERNET_TYPE: 257 if (info->ether) { 258 dev_dbg(&intf->dev, "extra CDC ether\n"); 259 goto bad_desc; 260 } 261 info->ether = (void *) buf; 262 if (info->ether->bLength != sizeof(*info->ether)) { 263 dev_dbg(&intf->dev, "CDC ether len %u\n", 264 info->ether->bLength); 265 goto bad_desc; 266 } 267 dev->hard_mtu = le16_to_cpu( 268 info->ether->wMaxSegmentSize); 269 /* because of Zaurus, we may be ignoring the host 270 * side link address we were given. 271 */ 272 break; 273 case USB_CDC_MDLM_TYPE: 274 if (desc) { 275 dev_dbg(&intf->dev, "extra MDLM descriptor\n"); 276 goto bad_desc; 277 } 278 279 desc = (void *)buf; 280 281 if (desc->bLength != sizeof(*desc)) 282 goto bad_desc; 283 284 if (memcmp(&desc->bGUID, mbm_guid, 16)) 285 goto bad_desc; 286 break; 287 case USB_CDC_MDLM_DETAIL_TYPE: 288 if (detail) { 289 dev_dbg(&intf->dev, "extra MDLM detail descriptor\n"); 290 goto bad_desc; 291 } 292 293 detail = (void *)buf; 294 295 if (detail->bGuidDescriptorType == 0) { 296 if (detail->bLength < (sizeof(*detail) + 1)) 297 goto bad_desc; 298 } else 299 goto bad_desc; 300 break; 301 } 302 next_desc: 303 len -= buf[0]; /* bLength */ 304 buf += buf[0]; 305 } 306 307 /* Microsoft ActiveSync based and some regular RNDIS devices lack the 308 * CDC descriptors, so we'll hard-wire the interfaces and not check 309 * for descriptors. 310 * 311 * Some Android RNDIS devices have a CDC Union descriptor pointing 312 * to non-existing interfaces. Ignore that and attempt the same 313 * hard-wired 0 and 1 interfaces. 314 */ 315 if (rndis && (!info->u || android_rndis_quirk)) { 316 info->control = usb_ifnum_to_if(dev->udev, 0); 317 info->data = usb_ifnum_to_if(dev->udev, 1); 318 if (!info->control || !info->data || info->control != intf) { 319 dev_dbg(&intf->dev, 320 "rndis: master #0/%p slave #1/%p\n", 321 info->control, 322 info->data); 323 goto bad_desc; 324 } 325 326 } else if (!info->header || !info->u || (!rndis && !info->ether)) { 327 dev_dbg(&intf->dev, "missing cdc %s%s%sdescriptor\n", 328 info->header ? "" : "header ", 329 info->u ? "" : "union ", 330 info->ether ? "" : "ether "); 331 goto bad_desc; 332 } 333 334 /* claim data interface and set it up ... with side effects. 335 * network traffic can't flow until an altsetting is enabled. 336 */ 337 if (info->data != info->control) { 338 status = usb_driver_claim_interface(driver, info->data, dev); 339 if (status < 0) 340 return status; 341 } 342 status = usbnet_get_endpoints(dev, info->data); 343 if (status < 0) { 344 /* ensure immediate exit from usbnet_disconnect */ 345 usb_set_intfdata(info->data, NULL); 346 if (info->data != info->control) 347 usb_driver_release_interface(driver, info->data); 348 return status; 349 } 350 351 /* status endpoint: optional for CDC Ethernet, not RNDIS (or ACM) */ 352 if (info->data != info->control) 353 dev->status = NULL; 354 if (info->control->cur_altsetting->desc.bNumEndpoints == 1) { 355 struct usb_endpoint_descriptor *desc; 356 357 dev->status = &info->control->cur_altsetting->endpoint [0]; 358 desc = &dev->status->desc; 359 if (!usb_endpoint_is_int_in(desc) || 360 (le16_to_cpu(desc->wMaxPacketSize) 361 < sizeof(struct usb_cdc_notification)) || 362 !desc->bInterval) { 363 dev_dbg(&intf->dev, "bad notification endpoint\n"); 364 dev->status = NULL; 365 } 366 } 367 if (rndis && !dev->status) { 368 dev_dbg(&intf->dev, "missing RNDIS status endpoint\n"); 369 usb_set_intfdata(info->data, NULL); 370 usb_driver_release_interface(driver, info->data); 371 return -ENODEV; 372 } 373 374 /* Some devices don't initialise properly. In particular 375 * the packet filter is not reset. There are devices that 376 * don't do reset all the way. So the packet filter should 377 * be set to a sane initial value. 378 */ 379 usbnet_cdc_update_filter(dev); 380 381 return 0; 382 383 bad_desc: 384 dev_info(&dev->udev->dev, "bad CDC descriptors\n"); 385 return -ENODEV; 386 } 387 EXPORT_SYMBOL_GPL(usbnet_generic_cdc_bind); 388 389 void usbnet_cdc_unbind(struct usbnet *dev, struct usb_interface *intf) 390 { 391 struct cdc_state *info = (void *) &dev->data; 392 struct usb_driver *driver = driver_of(intf); 393 394 /* combined interface - nothing to do */ 395 if (info->data == info->control) 396 return; 397 398 /* disconnect master --> disconnect slave */ 399 if (intf == info->control && info->data) { 400 /* ensure immediate exit from usbnet_disconnect */ 401 usb_set_intfdata(info->data, NULL); 402 usb_driver_release_interface(driver, info->data); 403 info->data = NULL; 404 } 405 406 /* and vice versa (just in case) */ 407 else if (intf == info->data && info->control) { 408 /* ensure immediate exit from usbnet_disconnect */ 409 usb_set_intfdata(info->control, NULL); 410 usb_driver_release_interface(driver, info->control); 411 info->control = NULL; 412 } 413 } 414 EXPORT_SYMBOL_GPL(usbnet_cdc_unbind); 415 416 /* Communications Device Class, Ethernet Control model 417 * 418 * Takes two interfaces. The DATA interface is inactive till an altsetting 419 * is selected. Configuration data includes class descriptors. There's 420 * an optional status endpoint on the control interface. 421 * 422 * This should interop with whatever the 2.4 "CDCEther.c" driver 423 * (by Brad Hards) talked with, with more functionality. 424 */ 425 426 static void dumpspeed(struct usbnet *dev, __le32 *speeds) 427 { 428 netif_info(dev, timer, dev->net, 429 "link speeds: %u kbps up, %u kbps down\n", 430 __le32_to_cpu(speeds[0]) / 1000, 431 __le32_to_cpu(speeds[1]) / 1000); 432 } 433 434 void usbnet_cdc_status(struct usbnet *dev, struct urb *urb) 435 { 436 struct usb_cdc_notification *event; 437 438 if (urb->actual_length < sizeof(*event)) 439 return; 440 441 /* SPEED_CHANGE can get split into two 8-byte packets */ 442 if (test_and_clear_bit(EVENT_STS_SPLIT, &dev->flags)) { 443 dumpspeed(dev, (__le32 *) urb->transfer_buffer); 444 return; 445 } 446 447 event = urb->transfer_buffer; 448 switch (event->bNotificationType) { 449 case USB_CDC_NOTIFY_NETWORK_CONNECTION: 450 netif_dbg(dev, timer, dev->net, "CDC: carrier %s\n", 451 event->wValue ? "on" : "off"); 452 usbnet_link_change(dev, !!event->wValue, 0); 453 break; 454 case USB_CDC_NOTIFY_SPEED_CHANGE: /* tx/rx rates */ 455 netif_dbg(dev, timer, dev->net, "CDC: speed change (len %d)\n", 456 urb->actual_length); 457 if (urb->actual_length != (sizeof(*event) + 8)) 458 set_bit(EVENT_STS_SPLIT, &dev->flags); 459 else 460 dumpspeed(dev, (__le32 *) &event[1]); 461 break; 462 /* USB_CDC_NOTIFY_RESPONSE_AVAILABLE can happen too (e.g. RNDIS), 463 * but there are no standard formats for the response data. 464 */ 465 default: 466 netdev_err(dev->net, "CDC: unexpected notification %02x!\n", 467 event->bNotificationType); 468 break; 469 } 470 } 471 EXPORT_SYMBOL_GPL(usbnet_cdc_status); 472 473 int usbnet_cdc_bind(struct usbnet *dev, struct usb_interface *intf) 474 { 475 int status; 476 struct cdc_state *info = (void *) &dev->data; 477 478 BUILD_BUG_ON((sizeof(((struct usbnet *)0)->data) 479 < sizeof(struct cdc_state))); 480 481 status = usbnet_generic_cdc_bind(dev, intf); 482 if (status < 0) 483 return status; 484 485 status = usbnet_get_ethernet_addr(dev, info->ether->iMACAddress); 486 if (status < 0) { 487 usb_set_intfdata(info->data, NULL); 488 usb_driver_release_interface(driver_of(intf), info->data); 489 return status; 490 } 491 492 return 0; 493 } 494 EXPORT_SYMBOL_GPL(usbnet_cdc_bind); 495 496 static const struct driver_info cdc_info = { 497 .description = "CDC Ethernet Device", 498 .flags = FLAG_ETHER | FLAG_POINTTOPOINT, 499 .bind = usbnet_cdc_bind, 500 .unbind = usbnet_cdc_unbind, 501 .status = usbnet_cdc_status, 502 .set_rx_mode = usbnet_cdc_update_filter, 503 .manage_power = usbnet_manage_power, 504 }; 505 506 static const struct driver_info wwan_info = { 507 .description = "Mobile Broadband Network Device", 508 .flags = FLAG_WWAN, 509 .bind = usbnet_cdc_bind, 510 .unbind = usbnet_cdc_unbind, 511 .status = usbnet_cdc_status, 512 .set_rx_mode = usbnet_cdc_update_filter, 513 .manage_power = usbnet_manage_power, 514 }; 515 516 /*-------------------------------------------------------------------------*/ 517 518 #define HUAWEI_VENDOR_ID 0x12D1 519 #define NOVATEL_VENDOR_ID 0x1410 520 #define ZTE_VENDOR_ID 0x19D2 521 #define DELL_VENDOR_ID 0x413C 522 #define REALTEK_VENDOR_ID 0x0bda 523 #define SAMSUNG_VENDOR_ID 0x04e8 524 525 static const struct usb_device_id products[] = { 526 /* BLACKLIST !! 527 * 528 * First blacklist any products that are egregiously nonconformant 529 * with the CDC Ethernet specs. Minor braindamage we cope with; when 530 * they're not even trying, needing a separate driver is only the first 531 * of the differences to show up. 532 */ 533 534 #define ZAURUS_MASTER_INTERFACE \ 535 .bInterfaceClass = USB_CLASS_COMM, \ 536 .bInterfaceSubClass = USB_CDC_SUBCLASS_ETHERNET, \ 537 .bInterfaceProtocol = USB_CDC_PROTO_NONE 538 539 /* SA-1100 based Sharp Zaurus ("collie"), or compatible; 540 * wire-incompatible with true CDC Ethernet implementations. 541 * (And, it seems, needlessly so...) 542 */ 543 { 544 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 545 | USB_DEVICE_ID_MATCH_DEVICE, 546 .idVendor = 0x04DD, 547 .idProduct = 0x8004, 548 ZAURUS_MASTER_INTERFACE, 549 .driver_info = 0, 550 }, 551 552 /* PXA-25x based Sharp Zaurii. Note that it seems some of these 553 * (later models especially) may have shipped only with firmware 554 * advertising false "CDC MDLM" compatibility ... but we're not 555 * clear which models did that, so for now let's assume the worst. 556 */ 557 { 558 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 559 | USB_DEVICE_ID_MATCH_DEVICE, 560 .idVendor = 0x04DD, 561 .idProduct = 0x8005, /* A-300 */ 562 ZAURUS_MASTER_INTERFACE, 563 .driver_info = 0, 564 }, { 565 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 566 | USB_DEVICE_ID_MATCH_DEVICE, 567 .idVendor = 0x04DD, 568 .idProduct = 0x8006, /* B-500/SL-5600 */ 569 ZAURUS_MASTER_INTERFACE, 570 .driver_info = 0, 571 }, { 572 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 573 | USB_DEVICE_ID_MATCH_DEVICE, 574 .idVendor = 0x04DD, 575 .idProduct = 0x8007, /* C-700 */ 576 ZAURUS_MASTER_INTERFACE, 577 .driver_info = 0, 578 }, { 579 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 580 | USB_DEVICE_ID_MATCH_DEVICE, 581 .idVendor = 0x04DD, 582 .idProduct = 0x9031, /* C-750 C-760 */ 583 ZAURUS_MASTER_INTERFACE, 584 .driver_info = 0, 585 }, { 586 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 587 | USB_DEVICE_ID_MATCH_DEVICE, 588 .idVendor = 0x04DD, 589 .idProduct = 0x9032, /* SL-6000 */ 590 ZAURUS_MASTER_INTERFACE, 591 .driver_info = 0, 592 }, { 593 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 594 | USB_DEVICE_ID_MATCH_DEVICE, 595 .idVendor = 0x04DD, 596 /* reported with some C860 units */ 597 .idProduct = 0x9050, /* C-860 */ 598 ZAURUS_MASTER_INTERFACE, 599 .driver_info = 0, 600 }, 601 602 /* Olympus has some models with a Zaurus-compatible option. 603 * R-1000 uses a FreeScale i.MXL cpu (ARMv4T) 604 */ 605 { 606 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 607 | USB_DEVICE_ID_MATCH_DEVICE, 608 .idVendor = 0x07B4, 609 .idProduct = 0x0F02, /* R-1000 */ 610 ZAURUS_MASTER_INTERFACE, 611 .driver_info = 0, 612 }, 613 614 /* LG Electronics VL600 wants additional headers on every frame */ 615 { 616 USB_DEVICE_AND_INTERFACE_INFO(0x1004, 0x61aa, USB_CLASS_COMM, 617 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 618 .driver_info = 0, 619 }, 620 621 /* Logitech Harmony 900 - uses the pseudo-MDLM (BLAN) driver */ 622 { 623 USB_DEVICE_AND_INTERFACE_INFO(0x046d, 0xc11f, USB_CLASS_COMM, 624 USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE), 625 .driver_info = 0, 626 }, 627 628 /* Novatel USB551L and MC551 - handled by qmi_wwan */ 629 { 630 USB_DEVICE_AND_INTERFACE_INFO(NOVATEL_VENDOR_ID, 0xB001, USB_CLASS_COMM, 631 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 632 .driver_info = 0, 633 }, 634 635 /* Novatel E362 - handled by qmi_wwan */ 636 { 637 USB_DEVICE_AND_INTERFACE_INFO(NOVATEL_VENDOR_ID, 0x9010, USB_CLASS_COMM, 638 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 639 .driver_info = 0, 640 }, 641 642 /* Dell Wireless 5800 (Novatel E362) - handled by qmi_wwan */ 643 { 644 USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, 0x8195, USB_CLASS_COMM, 645 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 646 .driver_info = 0, 647 }, 648 649 /* Dell Wireless 5800 (Novatel E362) - handled by qmi_wwan */ 650 { 651 USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, 0x8196, USB_CLASS_COMM, 652 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 653 .driver_info = 0, 654 }, 655 656 /* Dell Wireless 5804 (Novatel E371) - handled by qmi_wwan */ 657 { 658 USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, 0x819b, USB_CLASS_COMM, 659 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 660 .driver_info = 0, 661 }, 662 663 /* Novatel Expedite E371 - handled by qmi_wwan */ 664 { 665 USB_DEVICE_AND_INTERFACE_INFO(NOVATEL_VENDOR_ID, 0x9011, USB_CLASS_COMM, 666 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 667 .driver_info = 0, 668 }, 669 670 /* AnyDATA ADU960S - handled by qmi_wwan */ 671 { 672 USB_DEVICE_AND_INTERFACE_INFO(0x16d5, 0x650a, USB_CLASS_COMM, 673 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 674 .driver_info = 0, 675 }, 676 677 /* Huawei E1820 - handled by qmi_wwan */ 678 { 679 USB_DEVICE_INTERFACE_NUMBER(HUAWEI_VENDOR_ID, 0x14ac, 1), 680 .driver_info = 0, 681 }, 682 683 /* Realtek RTL8152 Based USB 2.0 Ethernet Adapters */ 684 { 685 USB_DEVICE_AND_INTERFACE_INFO(REALTEK_VENDOR_ID, 0x8152, USB_CLASS_COMM, 686 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 687 .driver_info = 0, 688 }, 689 690 /* Realtek RTL8153 Based USB 3.0 Ethernet Adapters */ 691 { 692 USB_DEVICE_AND_INTERFACE_INFO(REALTEK_VENDOR_ID, 0x8153, USB_CLASS_COMM, 693 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 694 .driver_info = 0, 695 }, 696 697 /* Samsung USB Ethernet Adapters */ 698 { 699 USB_DEVICE_AND_INTERFACE_INFO(SAMSUNG_VENDOR_ID, 0xa101, USB_CLASS_COMM, 700 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 701 .driver_info = 0, 702 }, 703 704 /* WHITELIST!!! 705 * 706 * CDC Ether uses two interfaces, not necessarily consecutive. 707 * We match the main interface, ignoring the optional device 708 * class so we could handle devices that aren't exclusively 709 * CDC ether. 710 * 711 * NOTE: this match must come AFTER entries blacklisting devices 712 * because of bugs/quirks in a given product (like Zaurus, above). 713 */ 714 { 715 /* ZTE (Vodafone) K3805-Z */ 716 USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1003, USB_CLASS_COMM, 717 USB_CDC_SUBCLASS_ETHERNET, 718 USB_CDC_PROTO_NONE), 719 .driver_info = (unsigned long)&wwan_info, 720 }, { 721 /* ZTE (Vodafone) K3806-Z */ 722 USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1015, USB_CLASS_COMM, 723 USB_CDC_SUBCLASS_ETHERNET, 724 USB_CDC_PROTO_NONE), 725 .driver_info = (unsigned long)&wwan_info, 726 }, { 727 /* ZTE (Vodafone) K4510-Z */ 728 USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1173, USB_CLASS_COMM, 729 USB_CDC_SUBCLASS_ETHERNET, 730 USB_CDC_PROTO_NONE), 731 .driver_info = (unsigned long)&wwan_info, 732 }, { 733 /* ZTE (Vodafone) K3770-Z */ 734 USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1177, USB_CLASS_COMM, 735 USB_CDC_SUBCLASS_ETHERNET, 736 USB_CDC_PROTO_NONE), 737 .driver_info = (unsigned long)&wwan_info, 738 }, { 739 /* ZTE (Vodafone) K3772-Z */ 740 USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1181, USB_CLASS_COMM, 741 USB_CDC_SUBCLASS_ETHERNET, 742 USB_CDC_PROTO_NONE), 743 .driver_info = (unsigned long)&wwan_info, 744 }, { 745 /* Telit modules */ 746 USB_VENDOR_AND_INTERFACE_INFO(0x1bc7, USB_CLASS_COMM, 747 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 748 .driver_info = (kernel_ulong_t) &wwan_info, 749 }, { 750 USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_ETHERNET, 751 USB_CDC_PROTO_NONE), 752 .driver_info = (unsigned long) &cdc_info, 753 }, { 754 USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_MDLM, 755 USB_CDC_PROTO_NONE), 756 .driver_info = (unsigned long)&wwan_info, 757 758 }, { 759 /* Various Huawei modems with a network port like the UMG1831 */ 760 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_COMM, 761 USB_CDC_SUBCLASS_ETHERNET, 255), 762 .driver_info = (unsigned long)&wwan_info, 763 }, 764 { }, /* END */ 765 }; 766 MODULE_DEVICE_TABLE(usb, products); 767 768 static struct usb_driver cdc_driver = { 769 .name = "cdc_ether", 770 .id_table = products, 771 .probe = usbnet_probe, 772 .disconnect = usbnet_disconnect, 773 .suspend = usbnet_suspend, 774 .resume = usbnet_resume, 775 .reset_resume = usbnet_resume, 776 .supports_autosuspend = 1, 777 .disable_hub_initiated_lpm = 1, 778 }; 779 780 module_usb_driver(cdc_driver); 781 782 MODULE_AUTHOR("David Brownell"); 783 MODULE_DESCRIPTION("USB CDC Ethernet devices"); 784 MODULE_LICENSE("GPL"); 785