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, write to the Free Software 18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 19 */ 20 21 // #define DEBUG // error path messages, extra info 22 // #define VERBOSE // more; success messages 23 24 #include <linux/module.h> 25 #include <linux/init.h> 26 #include <linux/netdevice.h> 27 #include <linux/etherdevice.h> 28 #include <linux/ethtool.h> 29 #include <linux/workqueue.h> 30 #include <linux/mii.h> 31 #include <linux/usb.h> 32 #include <linux/usb/cdc.h> 33 #include <linux/usb/usbnet.h> 34 35 36 #if defined(CONFIG_USB_NET_RNDIS_HOST) || defined(CONFIG_USB_NET_RNDIS_HOST_MODULE) 37 38 static int is_rndis(struct usb_interface_descriptor *desc) 39 { 40 return (desc->bInterfaceClass == USB_CLASS_COMM && 41 desc->bInterfaceSubClass == 2 && 42 desc->bInterfaceProtocol == 0xff); 43 } 44 45 static int is_activesync(struct usb_interface_descriptor *desc) 46 { 47 return (desc->bInterfaceClass == USB_CLASS_MISC && 48 desc->bInterfaceSubClass == 1 && 49 desc->bInterfaceProtocol == 1); 50 } 51 52 static int is_wireless_rndis(struct usb_interface_descriptor *desc) 53 { 54 return (desc->bInterfaceClass == USB_CLASS_WIRELESS_CONTROLLER && 55 desc->bInterfaceSubClass == 1 && 56 desc->bInterfaceProtocol == 3); 57 } 58 59 #else 60 61 #define is_rndis(desc) 0 62 #define is_activesync(desc) 0 63 #define is_wireless_rndis(desc) 0 64 65 #endif 66 67 static const u8 mbm_guid[16] = { 68 0xa3, 0x17, 0xa8, 0x8b, 0x04, 0x5e, 0x4f, 0x01, 69 0xa6, 0x07, 0xc0, 0xff, 0xcb, 0x7e, 0x39, 0x2a, 70 }; 71 72 /* 73 * probes control interface, claims data interface, collects the bulk 74 * endpoints, activates data interface (if needed), maybe sets MTU. 75 * all pure cdc, except for certain firmware workarounds, and knowing 76 * that rndis uses one different rule. 77 */ 78 int usbnet_generic_cdc_bind(struct usbnet *dev, struct usb_interface *intf) 79 { 80 u8 *buf = intf->cur_altsetting->extra; 81 int len = intf->cur_altsetting->extralen; 82 struct usb_interface_descriptor *d; 83 struct cdc_state *info = (void *) &dev->data; 84 int status; 85 int rndis; 86 bool android_rndis_quirk = false; 87 struct usb_driver *driver = driver_of(intf); 88 struct usb_cdc_mdlm_desc *desc = NULL; 89 struct usb_cdc_mdlm_detail_desc *detail = NULL; 90 91 if (sizeof dev->data < sizeof *info) 92 return -EDOM; 93 94 /* expect strict spec conformance for the descriptors, but 95 * cope with firmware which stores them in the wrong place 96 */ 97 if (len == 0 && dev->udev->actconfig->extralen) { 98 /* Motorola SB4100 (and others: Brad Hards says it's 99 * from a Broadcom design) put CDC descriptors here 100 */ 101 buf = dev->udev->actconfig->extra; 102 len = dev->udev->actconfig->extralen; 103 dev_dbg(&intf->dev, "CDC descriptors on config\n"); 104 } 105 106 /* Maybe CDC descriptors are after the endpoint? This bug has 107 * been seen on some 2Wire Inc RNDIS-ish products. 108 */ 109 if (len == 0) { 110 struct usb_host_endpoint *hep; 111 112 hep = intf->cur_altsetting->endpoint; 113 if (hep) { 114 buf = hep->extra; 115 len = hep->extralen; 116 } 117 if (len) 118 dev_dbg(&intf->dev, 119 "CDC descriptors on endpoint\n"); 120 } 121 122 /* this assumes that if there's a non-RNDIS vendor variant 123 * of cdc-acm, it'll fail RNDIS requests cleanly. 124 */ 125 rndis = (is_rndis(&intf->cur_altsetting->desc) || 126 is_activesync(&intf->cur_altsetting->desc) || 127 is_wireless_rndis(&intf->cur_altsetting->desc)); 128 129 memset(info, 0, sizeof *info); 130 info->control = intf; 131 while (len > 3) { 132 if (buf [1] != USB_DT_CS_INTERFACE) 133 goto next_desc; 134 135 /* use bDescriptorSubType to identify the CDC descriptors. 136 * We expect devices with CDC header and union descriptors. 137 * For CDC Ethernet we need the ethernet descriptor. 138 * For RNDIS, ignore two (pointless) CDC modem descriptors 139 * in favor of a complicated OID-based RPC scheme doing what 140 * CDC Ethernet achieves with a simple descriptor. 141 */ 142 switch (buf [2]) { 143 case USB_CDC_HEADER_TYPE: 144 if (info->header) { 145 dev_dbg(&intf->dev, "extra CDC header\n"); 146 goto bad_desc; 147 } 148 info->header = (void *) buf; 149 if (info->header->bLength != sizeof *info->header) { 150 dev_dbg(&intf->dev, "CDC header len %u\n", 151 info->header->bLength); 152 goto bad_desc; 153 } 154 break; 155 case USB_CDC_ACM_TYPE: 156 /* paranoia: disambiguate a "real" vendor-specific 157 * modem interface from an RNDIS non-modem. 158 */ 159 if (rndis) { 160 struct usb_cdc_acm_descriptor *acm; 161 162 acm = (void *) buf; 163 if (acm->bmCapabilities) { 164 dev_dbg(&intf->dev, 165 "ACM capabilities %02x, " 166 "not really RNDIS?\n", 167 acm->bmCapabilities); 168 goto bad_desc; 169 } 170 } 171 break; 172 case USB_CDC_UNION_TYPE: 173 if (info->u) { 174 dev_dbg(&intf->dev, "extra CDC union\n"); 175 goto bad_desc; 176 } 177 info->u = (void *) buf; 178 if (info->u->bLength != sizeof *info->u) { 179 dev_dbg(&intf->dev, "CDC union len %u\n", 180 info->u->bLength); 181 goto bad_desc; 182 } 183 184 /* we need a master/control interface (what we're 185 * probed with) and a slave/data interface; union 186 * descriptors sort this all out. 187 */ 188 info->control = usb_ifnum_to_if(dev->udev, 189 info->u->bMasterInterface0); 190 info->data = usb_ifnum_to_if(dev->udev, 191 info->u->bSlaveInterface0); 192 if (!info->control || !info->data) { 193 dev_dbg(&intf->dev, 194 "master #%u/%p slave #%u/%p\n", 195 info->u->bMasterInterface0, 196 info->control, 197 info->u->bSlaveInterface0, 198 info->data); 199 /* fall back to hard-wiring for RNDIS */ 200 if (rndis) { 201 android_rndis_quirk = true; 202 goto next_desc; 203 } 204 goto bad_desc; 205 } 206 if (info->control != intf) { 207 dev_dbg(&intf->dev, "bogus CDC Union\n"); 208 /* Ambit USB Cable Modem (and maybe others) 209 * interchanges master and slave interface. 210 */ 211 if (info->data == intf) { 212 info->data = info->control; 213 info->control = intf; 214 } else 215 goto bad_desc; 216 } 217 218 /* some devices merge these - skip class check */ 219 if (info->control == info->data) 220 goto next_desc; 221 222 /* a data interface altsetting does the real i/o */ 223 d = &info->data->cur_altsetting->desc; 224 if (d->bInterfaceClass != USB_CLASS_CDC_DATA) { 225 dev_dbg(&intf->dev, "slave class %u\n", 226 d->bInterfaceClass); 227 goto bad_desc; 228 } 229 break; 230 case USB_CDC_ETHERNET_TYPE: 231 if (info->ether) { 232 dev_dbg(&intf->dev, "extra CDC ether\n"); 233 goto bad_desc; 234 } 235 info->ether = (void *) buf; 236 if (info->ether->bLength != sizeof *info->ether) { 237 dev_dbg(&intf->dev, "CDC ether len %u\n", 238 info->ether->bLength); 239 goto bad_desc; 240 } 241 dev->hard_mtu = le16_to_cpu( 242 info->ether->wMaxSegmentSize); 243 /* because of Zaurus, we may be ignoring the host 244 * side link address we were given. 245 */ 246 break; 247 case USB_CDC_MDLM_TYPE: 248 if (desc) { 249 dev_dbg(&intf->dev, "extra MDLM descriptor\n"); 250 goto bad_desc; 251 } 252 253 desc = (void *)buf; 254 255 if (desc->bLength != sizeof(*desc)) 256 goto bad_desc; 257 258 if (memcmp(&desc->bGUID, mbm_guid, 16)) 259 goto bad_desc; 260 break; 261 case USB_CDC_MDLM_DETAIL_TYPE: 262 if (detail) { 263 dev_dbg(&intf->dev, "extra MDLM detail descriptor\n"); 264 goto bad_desc; 265 } 266 267 detail = (void *)buf; 268 269 if (detail->bGuidDescriptorType == 0) { 270 if (detail->bLength < (sizeof(*detail) + 1)) 271 goto bad_desc; 272 } else 273 goto bad_desc; 274 break; 275 } 276 next_desc: 277 len -= buf [0]; /* bLength */ 278 buf += buf [0]; 279 } 280 281 /* Microsoft ActiveSync based and some regular RNDIS devices lack the 282 * CDC descriptors, so we'll hard-wire the interfaces and not check 283 * for descriptors. 284 * 285 * Some Android RNDIS devices have a CDC Union descriptor pointing 286 * to non-existing interfaces. Ignore that and attempt the same 287 * hard-wired 0 and 1 interfaces. 288 */ 289 if (rndis && (!info->u || android_rndis_quirk)) { 290 info->control = usb_ifnum_to_if(dev->udev, 0); 291 info->data = usb_ifnum_to_if(dev->udev, 1); 292 if (!info->control || !info->data || info->control != intf) { 293 dev_dbg(&intf->dev, 294 "rndis: master #0/%p slave #1/%p\n", 295 info->control, 296 info->data); 297 goto bad_desc; 298 } 299 300 } else if (!info->header || !info->u || (!rndis && !info->ether)) { 301 dev_dbg(&intf->dev, "missing cdc %s%s%sdescriptor\n", 302 info->header ? "" : "header ", 303 info->u ? "" : "union ", 304 info->ether ? "" : "ether "); 305 goto bad_desc; 306 } 307 308 /* claim data interface and set it up ... with side effects. 309 * network traffic can't flow until an altsetting is enabled. 310 */ 311 if (info->data != info->control) { 312 status = usb_driver_claim_interface(driver, info->data, dev); 313 if (status < 0) 314 return status; 315 } 316 status = usbnet_get_endpoints(dev, info->data); 317 if (status < 0) { 318 /* ensure immediate exit from usbnet_disconnect */ 319 usb_set_intfdata(info->data, NULL); 320 if (info->data != info->control) 321 usb_driver_release_interface(driver, info->data); 322 return status; 323 } 324 325 /* status endpoint: optional for CDC Ethernet, not RNDIS (or ACM) */ 326 if (info->data != info->control) 327 dev->status = NULL; 328 if (info->control->cur_altsetting->desc.bNumEndpoints == 1) { 329 struct usb_endpoint_descriptor *desc; 330 331 dev->status = &info->control->cur_altsetting->endpoint [0]; 332 desc = &dev->status->desc; 333 if (!usb_endpoint_is_int_in(desc) || 334 (le16_to_cpu(desc->wMaxPacketSize) 335 < sizeof(struct usb_cdc_notification)) || 336 !desc->bInterval) { 337 dev_dbg(&intf->dev, "bad notification endpoint\n"); 338 dev->status = NULL; 339 } 340 } 341 if (rndis && !dev->status) { 342 dev_dbg(&intf->dev, "missing RNDIS status endpoint\n"); 343 usb_set_intfdata(info->data, NULL); 344 usb_driver_release_interface(driver, info->data); 345 return -ENODEV; 346 } 347 return 0; 348 349 bad_desc: 350 dev_info(&dev->udev->dev, "bad CDC descriptors\n"); 351 return -ENODEV; 352 } 353 EXPORT_SYMBOL_GPL(usbnet_generic_cdc_bind); 354 355 void usbnet_cdc_unbind(struct usbnet *dev, struct usb_interface *intf) 356 { 357 struct cdc_state *info = (void *) &dev->data; 358 struct usb_driver *driver = driver_of(intf); 359 360 /* combined interface - nothing to do */ 361 if (info->data == info->control) 362 return; 363 364 /* disconnect master --> disconnect slave */ 365 if (intf == info->control && info->data) { 366 /* ensure immediate exit from usbnet_disconnect */ 367 usb_set_intfdata(info->data, NULL); 368 usb_driver_release_interface(driver, info->data); 369 info->data = NULL; 370 } 371 372 /* and vice versa (just in case) */ 373 else if (intf == info->data && info->control) { 374 /* ensure immediate exit from usbnet_disconnect */ 375 usb_set_intfdata(info->control, NULL); 376 usb_driver_release_interface(driver, info->control); 377 info->control = NULL; 378 } 379 } 380 EXPORT_SYMBOL_GPL(usbnet_cdc_unbind); 381 382 /*------------------------------------------------------------------------- 383 * 384 * Communications Device Class, Ethernet Control model 385 * 386 * Takes two interfaces. The DATA interface is inactive till an altsetting 387 * is selected. Configuration data includes class descriptors. There's 388 * an optional status endpoint on the control interface. 389 * 390 * This should interop with whatever the 2.4 "CDCEther.c" driver 391 * (by Brad Hards) talked with, with more functionality. 392 * 393 *-------------------------------------------------------------------------*/ 394 395 static void dumpspeed(struct usbnet *dev, __le32 *speeds) 396 { 397 netif_info(dev, timer, dev->net, 398 "link speeds: %u kbps up, %u kbps down\n", 399 __le32_to_cpu(speeds[0]) / 1000, 400 __le32_to_cpu(speeds[1]) / 1000); 401 } 402 403 void usbnet_cdc_status(struct usbnet *dev, struct urb *urb) 404 { 405 struct usb_cdc_notification *event; 406 407 if (urb->actual_length < sizeof *event) 408 return; 409 410 /* SPEED_CHANGE can get split into two 8-byte packets */ 411 if (test_and_clear_bit(EVENT_STS_SPLIT, &dev->flags)) { 412 dumpspeed(dev, (__le32 *) urb->transfer_buffer); 413 return; 414 } 415 416 event = urb->transfer_buffer; 417 switch (event->bNotificationType) { 418 case USB_CDC_NOTIFY_NETWORK_CONNECTION: 419 netif_dbg(dev, timer, dev->net, "CDC: carrier %s\n", 420 event->wValue ? "on" : "off"); 421 usbnet_link_change(dev, !!event->wValue, 0); 422 break; 423 case USB_CDC_NOTIFY_SPEED_CHANGE: /* tx/rx rates */ 424 netif_dbg(dev, timer, dev->net, "CDC: speed change (len %d)\n", 425 urb->actual_length); 426 if (urb->actual_length != (sizeof *event + 8)) 427 set_bit(EVENT_STS_SPLIT, &dev->flags); 428 else 429 dumpspeed(dev, (__le32 *) &event[1]); 430 break; 431 /* USB_CDC_NOTIFY_RESPONSE_AVAILABLE can happen too (e.g. RNDIS), 432 * but there are no standard formats for the response data. 433 */ 434 default: 435 netdev_err(dev->net, "CDC: unexpected notification %02x!\n", 436 event->bNotificationType); 437 break; 438 } 439 } 440 EXPORT_SYMBOL_GPL(usbnet_cdc_status); 441 442 int usbnet_cdc_bind(struct usbnet *dev, struct usb_interface *intf) 443 { 444 int status; 445 struct cdc_state *info = (void *) &dev->data; 446 447 BUILD_BUG_ON((sizeof(((struct usbnet *)0)->data) 448 < sizeof(struct cdc_state))); 449 450 status = usbnet_generic_cdc_bind(dev, intf); 451 if (status < 0) 452 return status; 453 454 status = usbnet_get_ethernet_addr(dev, info->ether->iMACAddress); 455 if (status < 0) { 456 usb_set_intfdata(info->data, NULL); 457 usb_driver_release_interface(driver_of(intf), info->data); 458 return status; 459 } 460 461 /* FIXME cdc-ether has some multicast code too, though it complains 462 * in routine cases. info->ether describes the multicast support. 463 * Implement that here, manipulating the cdc filter as needed. 464 */ 465 return 0; 466 } 467 EXPORT_SYMBOL_GPL(usbnet_cdc_bind); 468 469 static const struct driver_info cdc_info = { 470 .description = "CDC Ethernet Device", 471 .flags = FLAG_ETHER | FLAG_POINTTOPOINT, 472 // .check_connect = cdc_check_connect, 473 .bind = usbnet_cdc_bind, 474 .unbind = usbnet_cdc_unbind, 475 .status = usbnet_cdc_status, 476 .manage_power = usbnet_manage_power, 477 }; 478 479 static const struct driver_info wwan_info = { 480 .description = "Mobile Broadband Network Device", 481 .flags = FLAG_WWAN, 482 .bind = usbnet_cdc_bind, 483 .unbind = usbnet_cdc_unbind, 484 .status = usbnet_cdc_status, 485 .manage_power = usbnet_manage_power, 486 }; 487 488 /*-------------------------------------------------------------------------*/ 489 490 #define HUAWEI_VENDOR_ID 0x12D1 491 #define NOVATEL_VENDOR_ID 0x1410 492 #define ZTE_VENDOR_ID 0x19D2 493 #define DELL_VENDOR_ID 0x413C 494 #define REALTEK_VENDOR_ID 0x0bda 495 496 static const struct usb_device_id products [] = { 497 /* 498 * BLACKLIST !! 499 * 500 * First blacklist any products that are egregiously nonconformant 501 * with the CDC Ethernet specs. Minor braindamage we cope with; when 502 * they're not even trying, needing a separate driver is only the first 503 * of the differences to show up. 504 */ 505 506 #define ZAURUS_MASTER_INTERFACE \ 507 .bInterfaceClass = USB_CLASS_COMM, \ 508 .bInterfaceSubClass = USB_CDC_SUBCLASS_ETHERNET, \ 509 .bInterfaceProtocol = USB_CDC_PROTO_NONE 510 511 /* SA-1100 based Sharp Zaurus ("collie"), or compatible; 512 * wire-incompatible with true CDC Ethernet implementations. 513 * (And, it seems, needlessly so...) 514 */ 515 { 516 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 517 | USB_DEVICE_ID_MATCH_DEVICE, 518 .idVendor = 0x04DD, 519 .idProduct = 0x8004, 520 ZAURUS_MASTER_INTERFACE, 521 .driver_info = 0, 522 }, 523 524 /* PXA-25x based Sharp Zaurii. Note that it seems some of these 525 * (later models especially) may have shipped only with firmware 526 * advertising false "CDC MDLM" compatibility ... but we're not 527 * clear which models did that, so for now let's assume the worst. 528 */ 529 { 530 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 531 | USB_DEVICE_ID_MATCH_DEVICE, 532 .idVendor = 0x04DD, 533 .idProduct = 0x8005, /* A-300 */ 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 = 0x8006, /* B-500/SL-5600 */ 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 = 0x8007, /* C-700 */ 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 = 0x9031, /* C-750 C-760 */ 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 .idProduct = 0x9032, /* SL-6000 */ 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 /* reported with some C860 units */ 569 .idProduct = 0x9050, /* C-860 */ 570 ZAURUS_MASTER_INTERFACE, 571 .driver_info = 0, 572 }, 573 574 /* Olympus has some models with a Zaurus-compatible option. 575 * R-1000 uses a FreeScale i.MXL cpu (ARMv4T) 576 */ 577 { 578 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 579 | USB_DEVICE_ID_MATCH_DEVICE, 580 .idVendor = 0x07B4, 581 .idProduct = 0x0F02, /* R-1000 */ 582 ZAURUS_MASTER_INTERFACE, 583 .driver_info = 0, 584 }, 585 586 /* LG Electronics VL600 wants additional headers on every frame */ 587 { 588 USB_DEVICE_AND_INTERFACE_INFO(0x1004, 0x61aa, USB_CLASS_COMM, 589 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 590 .driver_info = 0, 591 }, 592 593 /* Logitech Harmony 900 - uses the pseudo-MDLM (BLAN) driver */ 594 { 595 USB_DEVICE_AND_INTERFACE_INFO(0x046d, 0xc11f, USB_CLASS_COMM, 596 USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE), 597 .driver_info = 0, 598 }, 599 600 /* Novatel USB551L and MC551 - handled by qmi_wwan */ 601 { 602 USB_DEVICE_AND_INTERFACE_INFO(NOVATEL_VENDOR_ID, 0xB001, USB_CLASS_COMM, 603 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 604 .driver_info = 0, 605 }, 606 607 /* Novatel E362 - handled by qmi_wwan */ 608 { 609 USB_DEVICE_AND_INTERFACE_INFO(NOVATEL_VENDOR_ID, 0x9010, 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, 0x8195, USB_CLASS_COMM, 617 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 618 .driver_info = 0, 619 }, 620 621 /* Dell Wireless 5800 (Novatel E362) - handled by qmi_wwan */ 622 { 623 USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, 0x8196, USB_CLASS_COMM, 624 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 625 .driver_info = 0, 626 }, 627 628 /* Dell Wireless 5804 (Novatel E371) - handled by qmi_wwan */ 629 { 630 USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, 0x819b, USB_CLASS_COMM, 631 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 632 .driver_info = 0, 633 }, 634 635 /* AnyDATA ADU960S - handled by qmi_wwan */ 636 { 637 USB_DEVICE_AND_INTERFACE_INFO(0x16d5, 0x650a, USB_CLASS_COMM, 638 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 639 .driver_info = 0, 640 }, 641 642 /* Huawei E1820 - handled by qmi_wwan */ 643 { 644 USB_DEVICE_INTERFACE_NUMBER(HUAWEI_VENDOR_ID, 0x14ac, 1), 645 .driver_info = 0, 646 }, 647 648 /* Realtek RTL8152 Based USB 2.0 Ethernet Adapters */ 649 { 650 USB_DEVICE_AND_INTERFACE_INFO(REALTEK_VENDOR_ID, 0x8152, USB_CLASS_COMM, 651 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 652 .driver_info = 0, 653 }, 654 655 /* Realtek RTL8153 Based USB 3.0 Ethernet Adapters */ 656 { 657 USB_DEVICE_AND_INTERFACE_INFO(REALTEK_VENDOR_ID, 0x8153, USB_CLASS_COMM, 658 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 659 .driver_info = 0, 660 }, 661 662 /* 663 * WHITELIST!!! 664 * 665 * CDC Ether uses two interfaces, not necessarily consecutive. 666 * We match the main interface, ignoring the optional device 667 * class so we could handle devices that aren't exclusively 668 * CDC ether. 669 * 670 * NOTE: this match must come AFTER entries blacklisting devices 671 * because of bugs/quirks in a given product (like Zaurus, above). 672 */ 673 { 674 /* ZTE (Vodafone) K3805-Z */ 675 .match_flags = USB_DEVICE_ID_MATCH_VENDOR 676 | USB_DEVICE_ID_MATCH_PRODUCT 677 | USB_DEVICE_ID_MATCH_INT_INFO, 678 .idVendor = ZTE_VENDOR_ID, 679 .idProduct = 0x1003, 680 .bInterfaceClass = USB_CLASS_COMM, 681 .bInterfaceSubClass = USB_CDC_SUBCLASS_ETHERNET, 682 .bInterfaceProtocol = USB_CDC_PROTO_NONE, 683 .driver_info = (unsigned long)&wwan_info, 684 }, { 685 /* ZTE (Vodafone) K3806-Z */ 686 .match_flags = USB_DEVICE_ID_MATCH_VENDOR 687 | USB_DEVICE_ID_MATCH_PRODUCT 688 | USB_DEVICE_ID_MATCH_INT_INFO, 689 .idVendor = ZTE_VENDOR_ID, 690 .idProduct = 0x1015, 691 .bInterfaceClass = USB_CLASS_COMM, 692 .bInterfaceSubClass = USB_CDC_SUBCLASS_ETHERNET, 693 .bInterfaceProtocol = USB_CDC_PROTO_NONE, 694 .driver_info = (unsigned long)&wwan_info, 695 }, { 696 /* ZTE (Vodafone) K4510-Z */ 697 .match_flags = USB_DEVICE_ID_MATCH_VENDOR 698 | USB_DEVICE_ID_MATCH_PRODUCT 699 | USB_DEVICE_ID_MATCH_INT_INFO, 700 .idVendor = ZTE_VENDOR_ID, 701 .idProduct = 0x1173, 702 .bInterfaceClass = USB_CLASS_COMM, 703 .bInterfaceSubClass = USB_CDC_SUBCLASS_ETHERNET, 704 .bInterfaceProtocol = USB_CDC_PROTO_NONE, 705 .driver_info = (unsigned long)&wwan_info, 706 }, { 707 /* ZTE (Vodafone) K3770-Z */ 708 .match_flags = USB_DEVICE_ID_MATCH_VENDOR 709 | USB_DEVICE_ID_MATCH_PRODUCT 710 | USB_DEVICE_ID_MATCH_INT_INFO, 711 .idVendor = ZTE_VENDOR_ID, 712 .idProduct = 0x1177, 713 .bInterfaceClass = USB_CLASS_COMM, 714 .bInterfaceSubClass = USB_CDC_SUBCLASS_ETHERNET, 715 .bInterfaceProtocol = USB_CDC_PROTO_NONE, 716 .driver_info = (unsigned long)&wwan_info, 717 }, { 718 /* ZTE (Vodafone) K3772-Z */ 719 .match_flags = USB_DEVICE_ID_MATCH_VENDOR 720 | USB_DEVICE_ID_MATCH_PRODUCT 721 | USB_DEVICE_ID_MATCH_INT_INFO, 722 .idVendor = ZTE_VENDOR_ID, 723 .idProduct = 0x1181, 724 .bInterfaceClass = USB_CLASS_COMM, 725 .bInterfaceSubClass = USB_CDC_SUBCLASS_ETHERNET, 726 .bInterfaceProtocol = USB_CDC_PROTO_NONE, 727 .driver_info = (unsigned long)&wwan_info, 728 }, { 729 USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_ETHERNET, 730 USB_CDC_PROTO_NONE), 731 .driver_info = (unsigned long) &cdc_info, 732 }, { 733 USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_MDLM, 734 USB_CDC_PROTO_NONE), 735 .driver_info = (unsigned long)&wwan_info, 736 737 }, { 738 /* Various Huawei modems with a network port like the UMG1831 */ 739 .match_flags = USB_DEVICE_ID_MATCH_VENDOR 740 | USB_DEVICE_ID_MATCH_INT_INFO, 741 .idVendor = HUAWEI_VENDOR_ID, 742 .bInterfaceClass = USB_CLASS_COMM, 743 .bInterfaceSubClass = USB_CDC_SUBCLASS_ETHERNET, 744 .bInterfaceProtocol = 255, 745 .driver_info = (unsigned long)&wwan_info, 746 }, 747 { }, // END 748 }; 749 MODULE_DEVICE_TABLE(usb, products); 750 751 static struct usb_driver cdc_driver = { 752 .name = "cdc_ether", 753 .id_table = products, 754 .probe = usbnet_probe, 755 .disconnect = usbnet_disconnect, 756 .suspend = usbnet_suspend, 757 .resume = usbnet_resume, 758 .reset_resume = usbnet_resume, 759 .supports_autosuspend = 1, 760 .disable_hub_initiated_lpm = 1, 761 }; 762 763 module_usb_driver(cdc_driver); 764 765 MODULE_AUTHOR("David Brownell"); 766 MODULE_DESCRIPTION("USB CDC Ethernet devices"); 767 MODULE_LICENSE("GPL"); 768