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/init.h> 25 #include <linux/netdevice.h> 26 #include <linux/etherdevice.h> 27 #include <linux/ethtool.h> 28 #include <linux/workqueue.h> 29 #include <linux/mii.h> 30 #include <linux/usb.h> 31 #include <linux/usb/cdc.h> 32 #include <linux/usb/usbnet.h> 33 34 35 #if IS_ENABLED(CONFIG_USB_NET_RNDIS_HOST) 36 37 static int is_rndis(struct usb_interface_descriptor *desc) 38 { 39 return (desc->bInterfaceClass == USB_CLASS_COMM && 40 desc->bInterfaceSubClass == 2 && 41 desc->bInterfaceProtocol == 0xff); 42 } 43 44 static int is_activesync(struct usb_interface_descriptor *desc) 45 { 46 return (desc->bInterfaceClass == USB_CLASS_MISC && 47 desc->bInterfaceSubClass == 1 && 48 desc->bInterfaceProtocol == 1); 49 } 50 51 static int is_wireless_rndis(struct usb_interface_descriptor *desc) 52 { 53 return (desc->bInterfaceClass == USB_CLASS_WIRELESS_CONTROLLER && 54 desc->bInterfaceSubClass == 1 && 55 desc->bInterfaceProtocol == 3); 56 } 57 58 #else 59 60 #define is_rndis(desc) 0 61 #define is_activesync(desc) 0 62 #define is_wireless_rndis(desc) 0 63 64 #endif 65 66 static const u8 mbm_guid[16] = { 67 0xa3, 0x17, 0xa8, 0x8b, 0x04, 0x5e, 0x4f, 0x01, 68 0xa6, 0x07, 0xc0, 0xff, 0xcb, 0x7e, 0x39, 0x2a, 69 }; 70 71 /* probes control interface, claims data interface, collects the bulk 72 * endpoints, activates data interface (if needed), maybe sets MTU. 73 * all pure cdc, except for certain firmware workarounds, and knowing 74 * that rndis uses one different rule. 75 */ 76 int usbnet_generic_cdc_bind(struct usbnet *dev, struct usb_interface *intf) 77 { 78 u8 *buf = intf->cur_altsetting->extra; 79 int len = intf->cur_altsetting->extralen; 80 struct usb_interface_descriptor *d; 81 struct cdc_state *info = (void *) &dev->data; 82 int status; 83 int rndis; 84 bool android_rndis_quirk = false; 85 struct usb_driver *driver = driver_of(intf); 86 struct usb_cdc_mdlm_desc *desc = NULL; 87 struct usb_cdc_mdlm_detail_desc *detail = NULL; 88 89 if (sizeof(dev->data) < sizeof(*info)) 90 return -EDOM; 91 92 /* expect strict spec conformance for the descriptors, but 93 * cope with firmware which stores them in the wrong place 94 */ 95 if (len == 0 && dev->udev->actconfig->extralen) { 96 /* Motorola SB4100 (and others: Brad Hards says it's 97 * from a Broadcom design) put CDC descriptors here 98 */ 99 buf = dev->udev->actconfig->extra; 100 len = dev->udev->actconfig->extralen; 101 dev_dbg(&intf->dev, "CDC descriptors on config\n"); 102 } 103 104 /* Maybe CDC descriptors are after the endpoint? This bug has 105 * been seen on some 2Wire Inc RNDIS-ish products. 106 */ 107 if (len == 0) { 108 struct usb_host_endpoint *hep; 109 110 hep = intf->cur_altsetting->endpoint; 111 if (hep) { 112 buf = hep->extra; 113 len = hep->extralen; 114 } 115 if (len) 116 dev_dbg(&intf->dev, 117 "CDC descriptors on endpoint\n"); 118 } 119 120 /* this assumes that if there's a non-RNDIS vendor variant 121 * of cdc-acm, it'll fail RNDIS requests cleanly. 122 */ 123 rndis = (is_rndis(&intf->cur_altsetting->desc) || 124 is_activesync(&intf->cur_altsetting->desc) || 125 is_wireless_rndis(&intf->cur_altsetting->desc)); 126 127 memset(info, 0, sizeof(*info)); 128 info->control = intf; 129 while (len > 3) { 130 if (buf[1] != USB_DT_CS_INTERFACE) 131 goto next_desc; 132 133 /* use bDescriptorSubType to identify the CDC descriptors. 134 * We expect devices with CDC header and union descriptors. 135 * For CDC Ethernet we need the ethernet descriptor. 136 * For RNDIS, ignore two (pointless) CDC modem descriptors 137 * in favor of a complicated OID-based RPC scheme doing what 138 * CDC Ethernet achieves with a simple descriptor. 139 */ 140 switch (buf[2]) { 141 case USB_CDC_HEADER_TYPE: 142 if (info->header) { 143 dev_dbg(&intf->dev, "extra CDC header\n"); 144 goto bad_desc; 145 } 146 info->header = (void *) buf; 147 if (info->header->bLength != sizeof(*info->header)) { 148 dev_dbg(&intf->dev, "CDC header len %u\n", 149 info->header->bLength); 150 goto bad_desc; 151 } 152 break; 153 case USB_CDC_ACM_TYPE: 154 /* paranoia: disambiguate a "real" vendor-specific 155 * modem interface from an RNDIS non-modem. 156 */ 157 if (rndis) { 158 struct usb_cdc_acm_descriptor *acm; 159 160 acm = (void *) buf; 161 if (acm->bmCapabilities) { 162 dev_dbg(&intf->dev, 163 "ACM capabilities %02x, " 164 "not really RNDIS?\n", 165 acm->bmCapabilities); 166 goto bad_desc; 167 } 168 } 169 break; 170 case USB_CDC_UNION_TYPE: 171 if (info->u) { 172 dev_dbg(&intf->dev, "extra CDC union\n"); 173 goto bad_desc; 174 } 175 info->u = (void *) buf; 176 if (info->u->bLength != sizeof(*info->u)) { 177 dev_dbg(&intf->dev, "CDC union len %u\n", 178 info->u->bLength); 179 goto bad_desc; 180 } 181 182 /* we need a master/control interface (what we're 183 * probed with) and a slave/data interface; union 184 * descriptors sort this all out. 185 */ 186 info->control = usb_ifnum_to_if(dev->udev, 187 info->u->bMasterInterface0); 188 info->data = usb_ifnum_to_if(dev->udev, 189 info->u->bSlaveInterface0); 190 if (!info->control || !info->data) { 191 dev_dbg(&intf->dev, 192 "master #%u/%p slave #%u/%p\n", 193 info->u->bMasterInterface0, 194 info->control, 195 info->u->bSlaveInterface0, 196 info->data); 197 /* fall back to hard-wiring for RNDIS */ 198 if (rndis) { 199 android_rndis_quirk = true; 200 goto next_desc; 201 } 202 goto bad_desc; 203 } 204 if (info->control != intf) { 205 dev_dbg(&intf->dev, "bogus CDC Union\n"); 206 /* Ambit USB Cable Modem (and maybe others) 207 * interchanges master and slave interface. 208 */ 209 if (info->data == intf) { 210 info->data = info->control; 211 info->control = intf; 212 } else 213 goto bad_desc; 214 } 215 216 /* some devices merge these - skip class check */ 217 if (info->control == info->data) 218 goto next_desc; 219 220 /* a data interface altsetting does the real i/o */ 221 d = &info->data->cur_altsetting->desc; 222 if (d->bInterfaceClass != USB_CLASS_CDC_DATA) { 223 dev_dbg(&intf->dev, "slave class %u\n", 224 d->bInterfaceClass); 225 goto bad_desc; 226 } 227 break; 228 case USB_CDC_ETHERNET_TYPE: 229 if (info->ether) { 230 dev_dbg(&intf->dev, "extra CDC ether\n"); 231 goto bad_desc; 232 } 233 info->ether = (void *) buf; 234 if (info->ether->bLength != sizeof(*info->ether)) { 235 dev_dbg(&intf->dev, "CDC ether len %u\n", 236 info->ether->bLength); 237 goto bad_desc; 238 } 239 dev->hard_mtu = le16_to_cpu( 240 info->ether->wMaxSegmentSize); 241 /* because of Zaurus, we may be ignoring the host 242 * side link address we were given. 243 */ 244 break; 245 case USB_CDC_MDLM_TYPE: 246 if (desc) { 247 dev_dbg(&intf->dev, "extra MDLM descriptor\n"); 248 goto bad_desc; 249 } 250 251 desc = (void *)buf; 252 253 if (desc->bLength != sizeof(*desc)) 254 goto bad_desc; 255 256 if (memcmp(&desc->bGUID, mbm_guid, 16)) 257 goto bad_desc; 258 break; 259 case USB_CDC_MDLM_DETAIL_TYPE: 260 if (detail) { 261 dev_dbg(&intf->dev, "extra MDLM detail descriptor\n"); 262 goto bad_desc; 263 } 264 265 detail = (void *)buf; 266 267 if (detail->bGuidDescriptorType == 0) { 268 if (detail->bLength < (sizeof(*detail) + 1)) 269 goto bad_desc; 270 } else 271 goto bad_desc; 272 break; 273 } 274 next_desc: 275 len -= buf[0]; /* bLength */ 276 buf += buf[0]; 277 } 278 279 /* Microsoft ActiveSync based and some regular RNDIS devices lack the 280 * CDC descriptors, so we'll hard-wire the interfaces and not check 281 * for descriptors. 282 * 283 * Some Android RNDIS devices have a CDC Union descriptor pointing 284 * to non-existing interfaces. Ignore that and attempt the same 285 * hard-wired 0 and 1 interfaces. 286 */ 287 if (rndis && (!info->u || android_rndis_quirk)) { 288 info->control = usb_ifnum_to_if(dev->udev, 0); 289 info->data = usb_ifnum_to_if(dev->udev, 1); 290 if (!info->control || !info->data || info->control != intf) { 291 dev_dbg(&intf->dev, 292 "rndis: master #0/%p slave #1/%p\n", 293 info->control, 294 info->data); 295 goto bad_desc; 296 } 297 298 } else if (!info->header || !info->u || (!rndis && !info->ether)) { 299 dev_dbg(&intf->dev, "missing cdc %s%s%sdescriptor\n", 300 info->header ? "" : "header ", 301 info->u ? "" : "union ", 302 info->ether ? "" : "ether "); 303 goto bad_desc; 304 } 305 306 /* claim data interface and set it up ... with side effects. 307 * network traffic can't flow until an altsetting is enabled. 308 */ 309 if (info->data != info->control) { 310 status = usb_driver_claim_interface(driver, info->data, dev); 311 if (status < 0) 312 return status; 313 } 314 status = usbnet_get_endpoints(dev, info->data); 315 if (status < 0) { 316 /* ensure immediate exit from usbnet_disconnect */ 317 usb_set_intfdata(info->data, NULL); 318 if (info->data != info->control) 319 usb_driver_release_interface(driver, info->data); 320 return status; 321 } 322 323 /* status endpoint: optional for CDC Ethernet, not RNDIS (or ACM) */ 324 if (info->data != info->control) 325 dev->status = NULL; 326 if (info->control->cur_altsetting->desc.bNumEndpoints == 1) { 327 struct usb_endpoint_descriptor *desc; 328 329 dev->status = &info->control->cur_altsetting->endpoint [0]; 330 desc = &dev->status->desc; 331 if (!usb_endpoint_is_int_in(desc) || 332 (le16_to_cpu(desc->wMaxPacketSize) 333 < sizeof(struct usb_cdc_notification)) || 334 !desc->bInterval) { 335 dev_dbg(&intf->dev, "bad notification endpoint\n"); 336 dev->status = NULL; 337 } 338 } 339 if (rndis && !dev->status) { 340 dev_dbg(&intf->dev, "missing RNDIS status endpoint\n"); 341 usb_set_intfdata(info->data, NULL); 342 usb_driver_release_interface(driver, info->data); 343 return -ENODEV; 344 } 345 return 0; 346 347 bad_desc: 348 dev_info(&dev->udev->dev, "bad CDC descriptors\n"); 349 return -ENODEV; 350 } 351 EXPORT_SYMBOL_GPL(usbnet_generic_cdc_bind); 352 353 void usbnet_cdc_unbind(struct usbnet *dev, struct usb_interface *intf) 354 { 355 struct cdc_state *info = (void *) &dev->data; 356 struct usb_driver *driver = driver_of(intf); 357 358 /* combined interface - nothing to do */ 359 if (info->data == info->control) 360 return; 361 362 /* disconnect master --> disconnect slave */ 363 if (intf == info->control && info->data) { 364 /* ensure immediate exit from usbnet_disconnect */ 365 usb_set_intfdata(info->data, NULL); 366 usb_driver_release_interface(driver, info->data); 367 info->data = NULL; 368 } 369 370 /* and vice versa (just in case) */ 371 else if (intf == info->data && info->control) { 372 /* ensure immediate exit from usbnet_disconnect */ 373 usb_set_intfdata(info->control, NULL); 374 usb_driver_release_interface(driver, info->control); 375 info->control = NULL; 376 } 377 } 378 EXPORT_SYMBOL_GPL(usbnet_cdc_unbind); 379 380 /* Communications Device Class, Ethernet Control model 381 * 382 * Takes two interfaces. The DATA interface is inactive till an altsetting 383 * is selected. Configuration data includes class descriptors. There's 384 * an optional status endpoint on the control interface. 385 * 386 * This should interop with whatever the 2.4 "CDCEther.c" driver 387 * (by Brad Hards) talked with, with more functionality. 388 */ 389 390 static void dumpspeed(struct usbnet *dev, __le32 *speeds) 391 { 392 netif_info(dev, timer, dev->net, 393 "link speeds: %u kbps up, %u kbps down\n", 394 __le32_to_cpu(speeds[0]) / 1000, 395 __le32_to_cpu(speeds[1]) / 1000); 396 } 397 398 void usbnet_cdc_status(struct usbnet *dev, struct urb *urb) 399 { 400 struct usb_cdc_notification *event; 401 402 if (urb->actual_length < sizeof(*event)) 403 return; 404 405 /* SPEED_CHANGE can get split into two 8-byte packets */ 406 if (test_and_clear_bit(EVENT_STS_SPLIT, &dev->flags)) { 407 dumpspeed(dev, (__le32 *) urb->transfer_buffer); 408 return; 409 } 410 411 event = urb->transfer_buffer; 412 switch (event->bNotificationType) { 413 case USB_CDC_NOTIFY_NETWORK_CONNECTION: 414 netif_dbg(dev, timer, dev->net, "CDC: carrier %s\n", 415 event->wValue ? "on" : "off"); 416 usbnet_link_change(dev, !!event->wValue, 0); 417 break; 418 case USB_CDC_NOTIFY_SPEED_CHANGE: /* tx/rx rates */ 419 netif_dbg(dev, timer, dev->net, "CDC: speed change (len %d)\n", 420 urb->actual_length); 421 if (urb->actual_length != (sizeof(*event) + 8)) 422 set_bit(EVENT_STS_SPLIT, &dev->flags); 423 else 424 dumpspeed(dev, (__le32 *) &event[1]); 425 break; 426 /* USB_CDC_NOTIFY_RESPONSE_AVAILABLE can happen too (e.g. RNDIS), 427 * but there are no standard formats for the response data. 428 */ 429 default: 430 netdev_err(dev->net, "CDC: unexpected notification %02x!\n", 431 event->bNotificationType); 432 break; 433 } 434 } 435 EXPORT_SYMBOL_GPL(usbnet_cdc_status); 436 437 int usbnet_cdc_bind(struct usbnet *dev, struct usb_interface *intf) 438 { 439 int status; 440 struct cdc_state *info = (void *) &dev->data; 441 442 BUILD_BUG_ON((sizeof(((struct usbnet *)0)->data) 443 < sizeof(struct cdc_state))); 444 445 status = usbnet_generic_cdc_bind(dev, intf); 446 if (status < 0) 447 return status; 448 449 status = usbnet_get_ethernet_addr(dev, info->ether->iMACAddress); 450 if (status < 0) { 451 usb_set_intfdata(info->data, NULL); 452 usb_driver_release_interface(driver_of(intf), info->data); 453 return status; 454 } 455 456 /* FIXME cdc-ether has some multicast code too, though it complains 457 * in routine cases. info->ether describes the multicast support. 458 * Implement that here, manipulating the cdc filter as needed. 459 */ 460 return 0; 461 } 462 EXPORT_SYMBOL_GPL(usbnet_cdc_bind); 463 464 static const struct driver_info cdc_info = { 465 .description = "CDC Ethernet Device", 466 .flags = FLAG_ETHER | FLAG_POINTTOPOINT, 467 .bind = usbnet_cdc_bind, 468 .unbind = usbnet_cdc_unbind, 469 .status = usbnet_cdc_status, 470 .manage_power = usbnet_manage_power, 471 }; 472 473 static const struct driver_info wwan_info = { 474 .description = "Mobile Broadband Network Device", 475 .flags = FLAG_WWAN, 476 .bind = usbnet_cdc_bind, 477 .unbind = usbnet_cdc_unbind, 478 .status = usbnet_cdc_status, 479 .manage_power = usbnet_manage_power, 480 }; 481 482 /*-------------------------------------------------------------------------*/ 483 484 #define HUAWEI_VENDOR_ID 0x12D1 485 #define NOVATEL_VENDOR_ID 0x1410 486 #define ZTE_VENDOR_ID 0x19D2 487 #define DELL_VENDOR_ID 0x413C 488 #define REALTEK_VENDOR_ID 0x0bda 489 490 static const struct usb_device_id products[] = { 491 /* BLACKLIST !! 492 * 493 * First blacklist any products that are egregiously nonconformant 494 * with the CDC Ethernet specs. Minor braindamage we cope with; when 495 * they're not even trying, needing a separate driver is only the first 496 * of the differences to show up. 497 */ 498 499 #define ZAURUS_MASTER_INTERFACE \ 500 .bInterfaceClass = USB_CLASS_COMM, \ 501 .bInterfaceSubClass = USB_CDC_SUBCLASS_ETHERNET, \ 502 .bInterfaceProtocol = USB_CDC_PROTO_NONE 503 504 /* SA-1100 based Sharp Zaurus ("collie"), or compatible; 505 * wire-incompatible with true CDC Ethernet implementations. 506 * (And, it seems, needlessly so...) 507 */ 508 { 509 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 510 | USB_DEVICE_ID_MATCH_DEVICE, 511 .idVendor = 0x04DD, 512 .idProduct = 0x8004, 513 ZAURUS_MASTER_INTERFACE, 514 .driver_info = 0, 515 }, 516 517 /* PXA-25x based Sharp Zaurii. Note that it seems some of these 518 * (later models especially) may have shipped only with firmware 519 * advertising false "CDC MDLM" compatibility ... but we're not 520 * clear which models did that, so for now let's assume the worst. 521 */ 522 { 523 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 524 | USB_DEVICE_ID_MATCH_DEVICE, 525 .idVendor = 0x04DD, 526 .idProduct = 0x8005, /* A-300 */ 527 ZAURUS_MASTER_INTERFACE, 528 .driver_info = 0, 529 }, { 530 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 531 | USB_DEVICE_ID_MATCH_DEVICE, 532 .idVendor = 0x04DD, 533 .idProduct = 0x8006, /* B-500/SL-5600 */ 534 ZAURUS_MASTER_INTERFACE, 535 .driver_info = 0, 536 }, { 537 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 538 | USB_DEVICE_ID_MATCH_DEVICE, 539 .idVendor = 0x04DD, 540 .idProduct = 0x8007, /* C-700 */ 541 ZAURUS_MASTER_INTERFACE, 542 .driver_info = 0, 543 }, { 544 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 545 | USB_DEVICE_ID_MATCH_DEVICE, 546 .idVendor = 0x04DD, 547 .idProduct = 0x9031, /* C-750 C-760 */ 548 ZAURUS_MASTER_INTERFACE, 549 .driver_info = 0, 550 }, { 551 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 552 | USB_DEVICE_ID_MATCH_DEVICE, 553 .idVendor = 0x04DD, 554 .idProduct = 0x9032, /* SL-6000 */ 555 ZAURUS_MASTER_INTERFACE, 556 .driver_info = 0, 557 }, { 558 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 559 | USB_DEVICE_ID_MATCH_DEVICE, 560 .idVendor = 0x04DD, 561 /* reported with some C860 units */ 562 .idProduct = 0x9050, /* C-860 */ 563 ZAURUS_MASTER_INTERFACE, 564 .driver_info = 0, 565 }, 566 567 /* Olympus has some models with a Zaurus-compatible option. 568 * R-1000 uses a FreeScale i.MXL cpu (ARMv4T) 569 */ 570 { 571 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 572 | USB_DEVICE_ID_MATCH_DEVICE, 573 .idVendor = 0x07B4, 574 .idProduct = 0x0F02, /* R-1000 */ 575 ZAURUS_MASTER_INTERFACE, 576 .driver_info = 0, 577 }, 578 579 /* LG Electronics VL600 wants additional headers on every frame */ 580 { 581 USB_DEVICE_AND_INTERFACE_INFO(0x1004, 0x61aa, USB_CLASS_COMM, 582 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 583 .driver_info = 0, 584 }, 585 586 /* Logitech Harmony 900 - uses the pseudo-MDLM (BLAN) driver */ 587 { 588 USB_DEVICE_AND_INTERFACE_INFO(0x046d, 0xc11f, USB_CLASS_COMM, 589 USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE), 590 .driver_info = 0, 591 }, 592 593 /* Novatel USB551L and MC551 - handled by qmi_wwan */ 594 { 595 USB_DEVICE_AND_INTERFACE_INFO(NOVATEL_VENDOR_ID, 0xB001, USB_CLASS_COMM, 596 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 597 .driver_info = 0, 598 }, 599 600 /* Novatel E362 - handled by qmi_wwan */ 601 { 602 USB_DEVICE_AND_INTERFACE_INFO(NOVATEL_VENDOR_ID, 0x9010, USB_CLASS_COMM, 603 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 604 .driver_info = 0, 605 }, 606 607 /* Dell Wireless 5800 (Novatel E362) - handled by qmi_wwan */ 608 { 609 USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, 0x8195, USB_CLASS_COMM, 610 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 611 .driver_info = 0, 612 }, 613 614 /* Dell Wireless 5800 (Novatel E362) - handled by qmi_wwan */ 615 { 616 USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, 0x8196, USB_CLASS_COMM, 617 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 618 .driver_info = 0, 619 }, 620 621 /* Dell Wireless 5804 (Novatel E371) - handled by qmi_wwan */ 622 { 623 USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, 0x819b, USB_CLASS_COMM, 624 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 625 .driver_info = 0, 626 }, 627 628 /* AnyDATA ADU960S - handled by qmi_wwan */ 629 { 630 USB_DEVICE_AND_INTERFACE_INFO(0x16d5, 0x650a, USB_CLASS_COMM, 631 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 632 .driver_info = 0, 633 }, 634 635 /* Huawei E1820 - handled by qmi_wwan */ 636 { 637 USB_DEVICE_INTERFACE_NUMBER(HUAWEI_VENDOR_ID, 0x14ac, 1), 638 .driver_info = 0, 639 }, 640 641 /* Realtek RTL8152 Based USB 2.0 Ethernet Adapters */ 642 { 643 USB_DEVICE_AND_INTERFACE_INFO(REALTEK_VENDOR_ID, 0x8152, USB_CLASS_COMM, 644 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 645 .driver_info = 0, 646 }, 647 648 /* Realtek RTL8153 Based USB 3.0 Ethernet Adapters */ 649 { 650 USB_DEVICE_AND_INTERFACE_INFO(REALTEK_VENDOR_ID, 0x8153, USB_CLASS_COMM, 651 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 652 .driver_info = 0, 653 }, 654 655 /* WHITELIST!!! 656 * 657 * CDC Ether uses two interfaces, not necessarily consecutive. 658 * We match the main interface, ignoring the optional device 659 * class so we could handle devices that aren't exclusively 660 * CDC ether. 661 * 662 * NOTE: this match must come AFTER entries blacklisting devices 663 * because of bugs/quirks in a given product (like Zaurus, above). 664 */ 665 { 666 /* ZTE (Vodafone) K3805-Z */ 667 USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1003, USB_CLASS_COMM, 668 USB_CDC_SUBCLASS_ETHERNET, 669 USB_CDC_PROTO_NONE), 670 .driver_info = (unsigned long)&wwan_info, 671 }, { 672 /* ZTE (Vodafone) K3806-Z */ 673 USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1015, USB_CLASS_COMM, 674 USB_CDC_SUBCLASS_ETHERNET, 675 USB_CDC_PROTO_NONE), 676 .driver_info = (unsigned long)&wwan_info, 677 }, { 678 /* ZTE (Vodafone) K4510-Z */ 679 USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1173, USB_CLASS_COMM, 680 USB_CDC_SUBCLASS_ETHERNET, 681 USB_CDC_PROTO_NONE), 682 .driver_info = (unsigned long)&wwan_info, 683 }, { 684 /* ZTE (Vodafone) K3770-Z */ 685 USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1177, USB_CLASS_COMM, 686 USB_CDC_SUBCLASS_ETHERNET, 687 USB_CDC_PROTO_NONE), 688 .driver_info = (unsigned long)&wwan_info, 689 }, { 690 /* ZTE (Vodafone) K3772-Z */ 691 USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1181, USB_CLASS_COMM, 692 USB_CDC_SUBCLASS_ETHERNET, 693 USB_CDC_PROTO_NONE), 694 .driver_info = (unsigned long)&wwan_info, 695 }, { 696 /* Telit modules */ 697 USB_VENDOR_AND_INTERFACE_INFO(0x1bc7, USB_CLASS_COMM, 698 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 699 .driver_info = (kernel_ulong_t) &wwan_info, 700 }, { 701 USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_ETHERNET, 702 USB_CDC_PROTO_NONE), 703 .driver_info = (unsigned long) &cdc_info, 704 }, { 705 USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_MDLM, 706 USB_CDC_PROTO_NONE), 707 .driver_info = (unsigned long)&wwan_info, 708 709 }, { 710 /* Various Huawei modems with a network port like the UMG1831 */ 711 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_COMM, 712 USB_CDC_SUBCLASS_ETHERNET, 255), 713 .driver_info = (unsigned long)&wwan_info, 714 }, 715 { }, /* END */ 716 }; 717 MODULE_DEVICE_TABLE(usb, products); 718 719 static struct usb_driver cdc_driver = { 720 .name = "cdc_ether", 721 .id_table = products, 722 .probe = usbnet_probe, 723 .disconnect = usbnet_disconnect, 724 .suspend = usbnet_suspend, 725 .resume = usbnet_resume, 726 .reset_resume = usbnet_resume, 727 .supports_autosuspend = 1, 728 .disable_hub_initiated_lpm = 1, 729 }; 730 731 module_usb_driver(cdc_driver); 732 733 MODULE_AUTHOR("David Brownell"); 734 MODULE_DESCRIPTION("USB CDC Ethernet devices"); 735 MODULE_LICENSE("GPL"); 736