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 IS_ENABLED(CONFIG_USB_NET_RNDIS_HOST) 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 /* probes control interface, claims data interface, collects the bulk 73 * endpoints, activates data interface (if needed), maybe sets MTU. 74 * all pure cdc, except for certain firmware workarounds, and knowing 75 * that rndis uses one different rule. 76 */ 77 int usbnet_generic_cdc_bind(struct usbnet *dev, struct usb_interface *intf) 78 { 79 u8 *buf = intf->cur_altsetting->extra; 80 int len = intf->cur_altsetting->extralen; 81 struct usb_interface_descriptor *d; 82 struct cdc_state *info = (void *) &dev->data; 83 int status; 84 int rndis; 85 bool android_rndis_quirk = false; 86 struct usb_driver *driver = driver_of(intf); 87 struct usb_cdc_mdlm_desc *desc = NULL; 88 struct usb_cdc_mdlm_detail_desc *detail = NULL; 89 90 if (sizeof(dev->data) < sizeof(*info)) 91 return -EDOM; 92 93 /* expect strict spec conformance for the descriptors, but 94 * cope with firmware which stores them in the wrong place 95 */ 96 if (len == 0 && dev->udev->actconfig->extralen) { 97 /* Motorola SB4100 (and others: Brad Hards says it's 98 * from a Broadcom design) put CDC descriptors here 99 */ 100 buf = dev->udev->actconfig->extra; 101 len = dev->udev->actconfig->extralen; 102 dev_dbg(&intf->dev, "CDC descriptors on config\n"); 103 } 104 105 /* Maybe CDC descriptors are after the endpoint? This bug has 106 * been seen on some 2Wire Inc RNDIS-ish products. 107 */ 108 if (len == 0) { 109 struct usb_host_endpoint *hep; 110 111 hep = intf->cur_altsetting->endpoint; 112 if (hep) { 113 buf = hep->extra; 114 len = hep->extralen; 115 } 116 if (len) 117 dev_dbg(&intf->dev, 118 "CDC descriptors on endpoint\n"); 119 } 120 121 /* this assumes that if there's a non-RNDIS vendor variant 122 * of cdc-acm, it'll fail RNDIS requests cleanly. 123 */ 124 rndis = (is_rndis(&intf->cur_altsetting->desc) || 125 is_activesync(&intf->cur_altsetting->desc) || 126 is_wireless_rndis(&intf->cur_altsetting->desc)); 127 128 memset(info, 0, sizeof(*info)); 129 info->control = intf; 130 while (len > 3) { 131 if (buf[1] != USB_DT_CS_INTERFACE) 132 goto next_desc; 133 134 /* use bDescriptorSubType to identify the CDC descriptors. 135 * We expect devices with CDC header and union descriptors. 136 * For CDC Ethernet we need the ethernet descriptor. 137 * For RNDIS, ignore two (pointless) CDC modem descriptors 138 * in favor of a complicated OID-based RPC scheme doing what 139 * CDC Ethernet achieves with a simple descriptor. 140 */ 141 switch (buf[2]) { 142 case USB_CDC_HEADER_TYPE: 143 if (info->header) { 144 dev_dbg(&intf->dev, "extra CDC header\n"); 145 goto bad_desc; 146 } 147 info->header = (void *) buf; 148 if (info->header->bLength != sizeof(*info->header)) { 149 dev_dbg(&intf->dev, "CDC header len %u\n", 150 info->header->bLength); 151 goto bad_desc; 152 } 153 break; 154 case USB_CDC_ACM_TYPE: 155 /* paranoia: disambiguate a "real" vendor-specific 156 * modem interface from an RNDIS non-modem. 157 */ 158 if (rndis) { 159 struct usb_cdc_acm_descriptor *acm; 160 161 acm = (void *) buf; 162 if (acm->bmCapabilities) { 163 dev_dbg(&intf->dev, 164 "ACM capabilities %02x, " 165 "not really RNDIS?\n", 166 acm->bmCapabilities); 167 goto bad_desc; 168 } 169 } 170 break; 171 case USB_CDC_UNION_TYPE: 172 if (info->u) { 173 dev_dbg(&intf->dev, "extra CDC union\n"); 174 goto bad_desc; 175 } 176 info->u = (void *) buf; 177 if (info->u->bLength != sizeof(*info->u)) { 178 dev_dbg(&intf->dev, "CDC union len %u\n", 179 info->u->bLength); 180 goto bad_desc; 181 } 182 183 /* we need a master/control interface (what we're 184 * probed with) and a slave/data interface; union 185 * descriptors sort this all out. 186 */ 187 info->control = usb_ifnum_to_if(dev->udev, 188 info->u->bMasterInterface0); 189 info->data = usb_ifnum_to_if(dev->udev, 190 info->u->bSlaveInterface0); 191 if (!info->control || !info->data) { 192 dev_dbg(&intf->dev, 193 "master #%u/%p slave #%u/%p\n", 194 info->u->bMasterInterface0, 195 info->control, 196 info->u->bSlaveInterface0, 197 info->data); 198 /* fall back to hard-wiring for RNDIS */ 199 if (rndis) { 200 android_rndis_quirk = true; 201 goto next_desc; 202 } 203 goto bad_desc; 204 } 205 if (info->control != intf) { 206 dev_dbg(&intf->dev, "bogus CDC Union\n"); 207 /* Ambit USB Cable Modem (and maybe others) 208 * interchanges master and slave interface. 209 */ 210 if (info->data == intf) { 211 info->data = info->control; 212 info->control = intf; 213 } else 214 goto bad_desc; 215 } 216 217 /* some devices merge these - skip class check */ 218 if (info->control == info->data) 219 goto next_desc; 220 221 /* a data interface altsetting does the real i/o */ 222 d = &info->data->cur_altsetting->desc; 223 if (d->bInterfaceClass != USB_CLASS_CDC_DATA) { 224 dev_dbg(&intf->dev, "slave class %u\n", 225 d->bInterfaceClass); 226 goto bad_desc; 227 } 228 break; 229 case USB_CDC_ETHERNET_TYPE: 230 if (info->ether) { 231 dev_dbg(&intf->dev, "extra CDC ether\n"); 232 goto bad_desc; 233 } 234 info->ether = (void *) buf; 235 if (info->ether->bLength != sizeof(*info->ether)) { 236 dev_dbg(&intf->dev, "CDC ether len %u\n", 237 info->ether->bLength); 238 goto bad_desc; 239 } 240 dev->hard_mtu = le16_to_cpu( 241 info->ether->wMaxSegmentSize); 242 /* because of Zaurus, we may be ignoring the host 243 * side link address we were given. 244 */ 245 break; 246 case USB_CDC_MDLM_TYPE: 247 if (desc) { 248 dev_dbg(&intf->dev, "extra MDLM descriptor\n"); 249 goto bad_desc; 250 } 251 252 desc = (void *)buf; 253 254 if (desc->bLength != sizeof(*desc)) 255 goto bad_desc; 256 257 if (memcmp(&desc->bGUID, mbm_guid, 16)) 258 goto bad_desc; 259 break; 260 case USB_CDC_MDLM_DETAIL_TYPE: 261 if (detail) { 262 dev_dbg(&intf->dev, "extra MDLM detail descriptor\n"); 263 goto bad_desc; 264 } 265 266 detail = (void *)buf; 267 268 if (detail->bGuidDescriptorType == 0) { 269 if (detail->bLength < (sizeof(*detail) + 1)) 270 goto bad_desc; 271 } else 272 goto bad_desc; 273 break; 274 } 275 next_desc: 276 len -= buf[0]; /* bLength */ 277 buf += buf[0]; 278 } 279 280 /* Microsoft ActiveSync based and some regular RNDIS devices lack the 281 * CDC descriptors, so we'll hard-wire the interfaces and not check 282 * for descriptors. 283 * 284 * Some Android RNDIS devices have a CDC Union descriptor pointing 285 * to non-existing interfaces. Ignore that and attempt the same 286 * hard-wired 0 and 1 interfaces. 287 */ 288 if (rndis && (!info->u || android_rndis_quirk)) { 289 info->control = usb_ifnum_to_if(dev->udev, 0); 290 info->data = usb_ifnum_to_if(dev->udev, 1); 291 if (!info->control || !info->data || info->control != intf) { 292 dev_dbg(&intf->dev, 293 "rndis: master #0/%p slave #1/%p\n", 294 info->control, 295 info->data); 296 goto bad_desc; 297 } 298 299 } else if (!info->header || !info->u || (!rndis && !info->ether)) { 300 dev_dbg(&intf->dev, "missing cdc %s%s%sdescriptor\n", 301 info->header ? "" : "header ", 302 info->u ? "" : "union ", 303 info->ether ? "" : "ether "); 304 goto bad_desc; 305 } 306 307 /* claim data interface and set it up ... with side effects. 308 * network traffic can't flow until an altsetting is enabled. 309 */ 310 if (info->data != info->control) { 311 status = usb_driver_claim_interface(driver, info->data, dev); 312 if (status < 0) 313 return status; 314 } 315 status = usbnet_get_endpoints(dev, info->data); 316 if (status < 0) { 317 /* ensure immediate exit from usbnet_disconnect */ 318 usb_set_intfdata(info->data, NULL); 319 if (info->data != info->control) 320 usb_driver_release_interface(driver, info->data); 321 return status; 322 } 323 324 /* status endpoint: optional for CDC Ethernet, not RNDIS (or ACM) */ 325 if (info->data != info->control) 326 dev->status = NULL; 327 if (info->control->cur_altsetting->desc.bNumEndpoints == 1) { 328 struct usb_endpoint_descriptor *desc; 329 330 dev->status = &info->control->cur_altsetting->endpoint [0]; 331 desc = &dev->status->desc; 332 if (!usb_endpoint_is_int_in(desc) || 333 (le16_to_cpu(desc->wMaxPacketSize) 334 < sizeof(struct usb_cdc_notification)) || 335 !desc->bInterval) { 336 dev_dbg(&intf->dev, "bad notification endpoint\n"); 337 dev->status = NULL; 338 } 339 } 340 if (rndis && !dev->status) { 341 dev_dbg(&intf->dev, "missing RNDIS status endpoint\n"); 342 usb_set_intfdata(info->data, NULL); 343 usb_driver_release_interface(driver, info->data); 344 return -ENODEV; 345 } 346 return 0; 347 348 bad_desc: 349 dev_info(&dev->udev->dev, "bad CDC descriptors\n"); 350 return -ENODEV; 351 } 352 EXPORT_SYMBOL_GPL(usbnet_generic_cdc_bind); 353 354 void usbnet_cdc_unbind(struct usbnet *dev, struct usb_interface *intf) 355 { 356 struct cdc_state *info = (void *) &dev->data; 357 struct usb_driver *driver = driver_of(intf); 358 359 /* combined interface - nothing to do */ 360 if (info->data == info->control) 361 return; 362 363 /* disconnect master --> disconnect slave */ 364 if (intf == info->control && info->data) { 365 /* ensure immediate exit from usbnet_disconnect */ 366 usb_set_intfdata(info->data, NULL); 367 usb_driver_release_interface(driver, info->data); 368 info->data = NULL; 369 } 370 371 /* and vice versa (just in case) */ 372 else if (intf == info->data && info->control) { 373 /* ensure immediate exit from usbnet_disconnect */ 374 usb_set_intfdata(info->control, NULL); 375 usb_driver_release_interface(driver, info->control); 376 info->control = NULL; 377 } 378 } 379 EXPORT_SYMBOL_GPL(usbnet_cdc_unbind); 380 381 /* Communications Device Class, Ethernet Control model 382 * 383 * Takes two interfaces. The DATA interface is inactive till an altsetting 384 * is selected. Configuration data includes class descriptors. There's 385 * an optional status endpoint on the control interface. 386 * 387 * This should interop with whatever the 2.4 "CDCEther.c" driver 388 * (by Brad Hards) talked with, with more functionality. 389 */ 390 391 static void dumpspeed(struct usbnet *dev, __le32 *speeds) 392 { 393 netif_info(dev, timer, dev->net, 394 "link speeds: %u kbps up, %u kbps down\n", 395 __le32_to_cpu(speeds[0]) / 1000, 396 __le32_to_cpu(speeds[1]) / 1000); 397 } 398 399 void usbnet_cdc_status(struct usbnet *dev, struct urb *urb) 400 { 401 struct usb_cdc_notification *event; 402 403 if (urb->actual_length < sizeof(*event)) 404 return; 405 406 /* SPEED_CHANGE can get split into two 8-byte packets */ 407 if (test_and_clear_bit(EVENT_STS_SPLIT, &dev->flags)) { 408 dumpspeed(dev, (__le32 *) urb->transfer_buffer); 409 return; 410 } 411 412 event = urb->transfer_buffer; 413 switch (event->bNotificationType) { 414 case USB_CDC_NOTIFY_NETWORK_CONNECTION: 415 netif_dbg(dev, timer, dev->net, "CDC: carrier %s\n", 416 event->wValue ? "on" : "off"); 417 usbnet_link_change(dev, !!event->wValue, 0); 418 break; 419 case USB_CDC_NOTIFY_SPEED_CHANGE: /* tx/rx rates */ 420 netif_dbg(dev, timer, dev->net, "CDC: speed change (len %d)\n", 421 urb->actual_length); 422 if (urb->actual_length != (sizeof(*event) + 8)) 423 set_bit(EVENT_STS_SPLIT, &dev->flags); 424 else 425 dumpspeed(dev, (__le32 *) &event[1]); 426 break; 427 /* USB_CDC_NOTIFY_RESPONSE_AVAILABLE can happen too (e.g. RNDIS), 428 * but there are no standard formats for the response data. 429 */ 430 default: 431 netdev_err(dev->net, "CDC: unexpected notification %02x!\n", 432 event->bNotificationType); 433 break; 434 } 435 } 436 EXPORT_SYMBOL_GPL(usbnet_cdc_status); 437 438 int usbnet_cdc_bind(struct usbnet *dev, struct usb_interface *intf) 439 { 440 int status; 441 struct cdc_state *info = (void *) &dev->data; 442 443 BUILD_BUG_ON((sizeof(((struct usbnet *)0)->data) 444 < sizeof(struct cdc_state))); 445 446 status = usbnet_generic_cdc_bind(dev, intf); 447 if (status < 0) 448 return status; 449 450 status = usbnet_get_ethernet_addr(dev, info->ether->iMACAddress); 451 if (status < 0) { 452 usb_set_intfdata(info->data, NULL); 453 usb_driver_release_interface(driver_of(intf), info->data); 454 return status; 455 } 456 457 /* FIXME cdc-ether has some multicast code too, though it complains 458 * in routine cases. info->ether describes the multicast support. 459 * Implement that here, manipulating the cdc filter as needed. 460 */ 461 return 0; 462 } 463 EXPORT_SYMBOL_GPL(usbnet_cdc_bind); 464 465 static const struct driver_info cdc_info = { 466 .description = "CDC Ethernet Device", 467 .flags = FLAG_ETHER | FLAG_POINTTOPOINT, 468 .bind = usbnet_cdc_bind, 469 .unbind = usbnet_cdc_unbind, 470 .status = usbnet_cdc_status, 471 .manage_power = usbnet_manage_power, 472 }; 473 474 static const struct driver_info wwan_info = { 475 .description = "Mobile Broadband Network Device", 476 .flags = FLAG_WWAN, 477 .bind = usbnet_cdc_bind, 478 .unbind = usbnet_cdc_unbind, 479 .status = usbnet_cdc_status, 480 .manage_power = usbnet_manage_power, 481 }; 482 483 /*-------------------------------------------------------------------------*/ 484 485 #define HUAWEI_VENDOR_ID 0x12D1 486 #define NOVATEL_VENDOR_ID 0x1410 487 #define ZTE_VENDOR_ID 0x19D2 488 #define DELL_VENDOR_ID 0x413C 489 #define REALTEK_VENDOR_ID 0x0bda 490 491 static const struct usb_device_id products[] = { 492 /* BLACKLIST !! 493 * 494 * First blacklist any products that are egregiously nonconformant 495 * with the CDC Ethernet specs. Minor braindamage we cope with; when 496 * they're not even trying, needing a separate driver is only the first 497 * of the differences to show up. 498 */ 499 500 #define ZAURUS_MASTER_INTERFACE \ 501 .bInterfaceClass = USB_CLASS_COMM, \ 502 .bInterfaceSubClass = USB_CDC_SUBCLASS_ETHERNET, \ 503 .bInterfaceProtocol = USB_CDC_PROTO_NONE 504 505 /* SA-1100 based Sharp Zaurus ("collie"), or compatible; 506 * wire-incompatible with true CDC Ethernet implementations. 507 * (And, it seems, needlessly so...) 508 */ 509 { 510 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 511 | USB_DEVICE_ID_MATCH_DEVICE, 512 .idVendor = 0x04DD, 513 .idProduct = 0x8004, 514 ZAURUS_MASTER_INTERFACE, 515 .driver_info = 0, 516 }, 517 518 /* PXA-25x based Sharp Zaurii. Note that it seems some of these 519 * (later models especially) may have shipped only with firmware 520 * advertising false "CDC MDLM" compatibility ... but we're not 521 * clear which models did that, so for now let's assume the worst. 522 */ 523 { 524 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 525 | USB_DEVICE_ID_MATCH_DEVICE, 526 .idVendor = 0x04DD, 527 .idProduct = 0x8005, /* A-300 */ 528 ZAURUS_MASTER_INTERFACE, 529 .driver_info = 0, 530 }, { 531 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 532 | USB_DEVICE_ID_MATCH_DEVICE, 533 .idVendor = 0x04DD, 534 .idProduct = 0x8006, /* B-500/SL-5600 */ 535 ZAURUS_MASTER_INTERFACE, 536 .driver_info = 0, 537 }, { 538 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 539 | USB_DEVICE_ID_MATCH_DEVICE, 540 .idVendor = 0x04DD, 541 .idProduct = 0x8007, /* C-700 */ 542 ZAURUS_MASTER_INTERFACE, 543 .driver_info = 0, 544 }, { 545 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 546 | USB_DEVICE_ID_MATCH_DEVICE, 547 .idVendor = 0x04DD, 548 .idProduct = 0x9031, /* C-750 C-760 */ 549 ZAURUS_MASTER_INTERFACE, 550 .driver_info = 0, 551 }, { 552 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 553 | USB_DEVICE_ID_MATCH_DEVICE, 554 .idVendor = 0x04DD, 555 .idProduct = 0x9032, /* SL-6000 */ 556 ZAURUS_MASTER_INTERFACE, 557 .driver_info = 0, 558 }, { 559 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 560 | USB_DEVICE_ID_MATCH_DEVICE, 561 .idVendor = 0x04DD, 562 /* reported with some C860 units */ 563 .idProduct = 0x9050, /* C-860 */ 564 ZAURUS_MASTER_INTERFACE, 565 .driver_info = 0, 566 }, 567 568 /* Olympus has some models with a Zaurus-compatible option. 569 * R-1000 uses a FreeScale i.MXL cpu (ARMv4T) 570 */ 571 { 572 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 573 | USB_DEVICE_ID_MATCH_DEVICE, 574 .idVendor = 0x07B4, 575 .idProduct = 0x0F02, /* R-1000 */ 576 ZAURUS_MASTER_INTERFACE, 577 .driver_info = 0, 578 }, 579 580 /* LG Electronics VL600 wants additional headers on every frame */ 581 { 582 USB_DEVICE_AND_INTERFACE_INFO(0x1004, 0x61aa, USB_CLASS_COMM, 583 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 584 .driver_info = 0, 585 }, 586 587 /* Logitech Harmony 900 - uses the pseudo-MDLM (BLAN) driver */ 588 { 589 USB_DEVICE_AND_INTERFACE_INFO(0x046d, 0xc11f, USB_CLASS_COMM, 590 USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE), 591 .driver_info = 0, 592 }, 593 594 /* Novatel USB551L and MC551 - handled by qmi_wwan */ 595 { 596 USB_DEVICE_AND_INTERFACE_INFO(NOVATEL_VENDOR_ID, 0xB001, USB_CLASS_COMM, 597 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 598 .driver_info = 0, 599 }, 600 601 /* Novatel E362 - handled by qmi_wwan */ 602 { 603 USB_DEVICE_AND_INTERFACE_INFO(NOVATEL_VENDOR_ID, 0x9010, USB_CLASS_COMM, 604 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 605 .driver_info = 0, 606 }, 607 608 /* Dell Wireless 5800 (Novatel E362) - handled by qmi_wwan */ 609 { 610 USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, 0x8195, USB_CLASS_COMM, 611 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 612 .driver_info = 0, 613 }, 614 615 /* Dell Wireless 5800 (Novatel E362) - handled by qmi_wwan */ 616 { 617 USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, 0x8196, USB_CLASS_COMM, 618 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 619 .driver_info = 0, 620 }, 621 622 /* Dell Wireless 5804 (Novatel E371) - handled by qmi_wwan */ 623 { 624 USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, 0x819b, USB_CLASS_COMM, 625 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 626 .driver_info = 0, 627 }, 628 629 /* AnyDATA ADU960S - handled by qmi_wwan */ 630 { 631 USB_DEVICE_AND_INTERFACE_INFO(0x16d5, 0x650a, USB_CLASS_COMM, 632 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 633 .driver_info = 0, 634 }, 635 636 /* Huawei E1820 - handled by qmi_wwan */ 637 { 638 USB_DEVICE_INTERFACE_NUMBER(HUAWEI_VENDOR_ID, 0x14ac, 1), 639 .driver_info = 0, 640 }, 641 642 /* Realtek RTL8152 Based USB 2.0 Ethernet Adapters */ 643 { 644 USB_DEVICE_AND_INTERFACE_INFO(REALTEK_VENDOR_ID, 0x8152, USB_CLASS_COMM, 645 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 646 .driver_info = 0, 647 }, 648 649 /* Realtek RTL8153 Based USB 3.0 Ethernet Adapters */ 650 { 651 USB_DEVICE_AND_INTERFACE_INFO(REALTEK_VENDOR_ID, 0x8153, USB_CLASS_COMM, 652 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 653 .driver_info = 0, 654 }, 655 656 /* WHITELIST!!! 657 * 658 * CDC Ether uses two interfaces, not necessarily consecutive. 659 * We match the main interface, ignoring the optional device 660 * class so we could handle devices that aren't exclusively 661 * CDC ether. 662 * 663 * NOTE: this match must come AFTER entries blacklisting devices 664 * because of bugs/quirks in a given product (like Zaurus, above). 665 */ 666 { 667 /* ZTE (Vodafone) K3805-Z */ 668 USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1003, USB_CLASS_COMM, 669 USB_CDC_SUBCLASS_ETHERNET, 670 USB_CDC_PROTO_NONE), 671 .driver_info = (unsigned long)&wwan_info, 672 }, { 673 /* ZTE (Vodafone) K3806-Z */ 674 USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1015, USB_CLASS_COMM, 675 USB_CDC_SUBCLASS_ETHERNET, 676 USB_CDC_PROTO_NONE), 677 .driver_info = (unsigned long)&wwan_info, 678 }, { 679 /* ZTE (Vodafone) K4510-Z */ 680 USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1173, USB_CLASS_COMM, 681 USB_CDC_SUBCLASS_ETHERNET, 682 USB_CDC_PROTO_NONE), 683 .driver_info = (unsigned long)&wwan_info, 684 }, { 685 /* ZTE (Vodafone) K3770-Z */ 686 USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1177, USB_CLASS_COMM, 687 USB_CDC_SUBCLASS_ETHERNET, 688 USB_CDC_PROTO_NONE), 689 .driver_info = (unsigned long)&wwan_info, 690 }, { 691 /* ZTE (Vodafone) K3772-Z */ 692 USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1181, USB_CLASS_COMM, 693 USB_CDC_SUBCLASS_ETHERNET, 694 USB_CDC_PROTO_NONE), 695 .driver_info = (unsigned long)&wwan_info, 696 }, { 697 /* Telit modules */ 698 USB_VENDOR_AND_INTERFACE_INFO(0x1bc7, USB_CLASS_COMM, 699 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 700 .driver_info = (kernel_ulong_t) &wwan_info, 701 }, { 702 USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_ETHERNET, 703 USB_CDC_PROTO_NONE), 704 .driver_info = (unsigned long) &cdc_info, 705 }, { 706 USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_MDLM, 707 USB_CDC_PROTO_NONE), 708 .driver_info = (unsigned long)&wwan_info, 709 710 }, { 711 /* Various Huawei modems with a network port like the UMG1831 */ 712 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_COMM, 713 USB_CDC_SUBCLASS_ETHERNET, 255), 714 .driver_info = (unsigned long)&wwan_info, 715 }, 716 { }, /* END */ 717 }; 718 MODULE_DEVICE_TABLE(usb, products); 719 720 static struct usb_driver cdc_driver = { 721 .name = "cdc_ether", 722 .id_table = products, 723 .probe = usbnet_probe, 724 .disconnect = usbnet_disconnect, 725 .suspend = usbnet_suspend, 726 .resume = usbnet_resume, 727 .reset_resume = usbnet_resume, 728 .supports_autosuspend = 1, 729 .disable_hub_initiated_lpm = 1, 730 }; 731 732 module_usb_driver(cdc_driver); 733 734 MODULE_AUTHOR("David Brownell"); 735 MODULE_DESCRIPTION("USB CDC Ethernet devices"); 736 MODULE_LICENSE("GPL"); 737