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 /* a data interface altsetting does the real i/o */ 219 d = &info->data->cur_altsetting->desc; 220 if (d->bInterfaceClass != USB_CLASS_CDC_DATA) { 221 dev_dbg(&intf->dev, "slave class %u\n", 222 d->bInterfaceClass); 223 goto bad_desc; 224 } 225 break; 226 case USB_CDC_ETHERNET_TYPE: 227 if (info->ether) { 228 dev_dbg(&intf->dev, "extra CDC ether\n"); 229 goto bad_desc; 230 } 231 info->ether = (void *) buf; 232 if (info->ether->bLength != sizeof *info->ether) { 233 dev_dbg(&intf->dev, "CDC ether len %u\n", 234 info->ether->bLength); 235 goto bad_desc; 236 } 237 dev->hard_mtu = le16_to_cpu( 238 info->ether->wMaxSegmentSize); 239 /* because of Zaurus, we may be ignoring the host 240 * side link address we were given. 241 */ 242 break; 243 case USB_CDC_MDLM_TYPE: 244 if (desc) { 245 dev_dbg(&intf->dev, "extra MDLM descriptor\n"); 246 goto bad_desc; 247 } 248 249 desc = (void *)buf; 250 251 if (desc->bLength != sizeof(*desc)) 252 goto bad_desc; 253 254 if (memcmp(&desc->bGUID, mbm_guid, 16)) 255 goto bad_desc; 256 break; 257 case USB_CDC_MDLM_DETAIL_TYPE: 258 if (detail) { 259 dev_dbg(&intf->dev, "extra MDLM detail descriptor\n"); 260 goto bad_desc; 261 } 262 263 detail = (void *)buf; 264 265 if (detail->bGuidDescriptorType == 0) { 266 if (detail->bLength < (sizeof(*detail) + 1)) 267 goto bad_desc; 268 } else 269 goto bad_desc; 270 break; 271 } 272 next_desc: 273 len -= buf [0]; /* bLength */ 274 buf += buf [0]; 275 } 276 277 /* Microsoft ActiveSync based and some regular RNDIS devices lack the 278 * CDC descriptors, so we'll hard-wire the interfaces and not check 279 * for descriptors. 280 * 281 * Some Android RNDIS devices have a CDC Union descriptor pointing 282 * to non-existing interfaces. Ignore that and attempt the same 283 * hard-wired 0 and 1 interfaces. 284 */ 285 if (rndis && (!info->u || android_rndis_quirk)) { 286 info->control = usb_ifnum_to_if(dev->udev, 0); 287 info->data = usb_ifnum_to_if(dev->udev, 1); 288 if (!info->control || !info->data || info->control != intf) { 289 dev_dbg(&intf->dev, 290 "rndis: master #0/%p slave #1/%p\n", 291 info->control, 292 info->data); 293 goto bad_desc; 294 } 295 296 } else if (!info->header || !info->u || (!rndis && !info->ether)) { 297 dev_dbg(&intf->dev, "missing cdc %s%s%sdescriptor\n", 298 info->header ? "" : "header ", 299 info->u ? "" : "union ", 300 info->ether ? "" : "ether "); 301 goto bad_desc; 302 } 303 304 /* claim data interface and set it up ... with side effects. 305 * network traffic can't flow until an altsetting is enabled. 306 */ 307 status = usb_driver_claim_interface(driver, info->data, dev); 308 if (status < 0) 309 return status; 310 status = usbnet_get_endpoints(dev, info->data); 311 if (status < 0) { 312 /* ensure immediate exit from usbnet_disconnect */ 313 usb_set_intfdata(info->data, NULL); 314 usb_driver_release_interface(driver, info->data); 315 return status; 316 } 317 318 /* status endpoint: optional for CDC Ethernet, not RNDIS (or ACM) */ 319 dev->status = NULL; 320 if (info->control->cur_altsetting->desc.bNumEndpoints == 1) { 321 struct usb_endpoint_descriptor *desc; 322 323 dev->status = &info->control->cur_altsetting->endpoint [0]; 324 desc = &dev->status->desc; 325 if (!usb_endpoint_is_int_in(desc) || 326 (le16_to_cpu(desc->wMaxPacketSize) 327 < sizeof(struct usb_cdc_notification)) || 328 !desc->bInterval) { 329 dev_dbg(&intf->dev, "bad notification endpoint\n"); 330 dev->status = NULL; 331 } 332 } 333 if (rndis && !dev->status) { 334 dev_dbg(&intf->dev, "missing RNDIS status endpoint\n"); 335 usb_set_intfdata(info->data, NULL); 336 usb_driver_release_interface(driver, info->data); 337 return -ENODEV; 338 } 339 return 0; 340 341 bad_desc: 342 dev_info(&dev->udev->dev, "bad CDC descriptors\n"); 343 return -ENODEV; 344 } 345 EXPORT_SYMBOL_GPL(usbnet_generic_cdc_bind); 346 347 void usbnet_cdc_unbind(struct usbnet *dev, struct usb_interface *intf) 348 { 349 struct cdc_state *info = (void *) &dev->data; 350 struct usb_driver *driver = driver_of(intf); 351 352 /* disconnect master --> disconnect slave */ 353 if (intf == info->control && info->data) { 354 /* ensure immediate exit from usbnet_disconnect */ 355 usb_set_intfdata(info->data, NULL); 356 usb_driver_release_interface(driver, info->data); 357 info->data = NULL; 358 } 359 360 /* and vice versa (just in case) */ 361 else if (intf == info->data && info->control) { 362 /* ensure immediate exit from usbnet_disconnect */ 363 usb_set_intfdata(info->control, NULL); 364 usb_driver_release_interface(driver, info->control); 365 info->control = NULL; 366 } 367 } 368 EXPORT_SYMBOL_GPL(usbnet_cdc_unbind); 369 370 /*------------------------------------------------------------------------- 371 * 372 * Communications Device Class, Ethernet Control model 373 * 374 * Takes two interfaces. The DATA interface is inactive till an altsetting 375 * is selected. Configuration data includes class descriptors. There's 376 * an optional status endpoint on the control interface. 377 * 378 * This should interop with whatever the 2.4 "CDCEther.c" driver 379 * (by Brad Hards) talked with, with more functionality. 380 * 381 *-------------------------------------------------------------------------*/ 382 383 static void dumpspeed(struct usbnet *dev, __le32 *speeds) 384 { 385 netif_info(dev, timer, dev->net, 386 "link speeds: %u kbps up, %u kbps down\n", 387 __le32_to_cpu(speeds[0]) / 1000, 388 __le32_to_cpu(speeds[1]) / 1000); 389 } 390 391 void usbnet_cdc_status(struct usbnet *dev, struct urb *urb) 392 { 393 struct usb_cdc_notification *event; 394 395 if (urb->actual_length < sizeof *event) 396 return; 397 398 /* SPEED_CHANGE can get split into two 8-byte packets */ 399 if (test_and_clear_bit(EVENT_STS_SPLIT, &dev->flags)) { 400 dumpspeed(dev, (__le32 *) urb->transfer_buffer); 401 return; 402 } 403 404 event = urb->transfer_buffer; 405 switch (event->bNotificationType) { 406 case USB_CDC_NOTIFY_NETWORK_CONNECTION: 407 netif_dbg(dev, timer, dev->net, "CDC: carrier %s\n", 408 event->wValue ? "on" : "off"); 409 usbnet_link_change(dev, !!event->wValue, 0); 410 break; 411 case USB_CDC_NOTIFY_SPEED_CHANGE: /* tx/rx rates */ 412 netif_dbg(dev, timer, dev->net, "CDC: speed change (len %d)\n", 413 urb->actual_length); 414 if (urb->actual_length != (sizeof *event + 8)) 415 set_bit(EVENT_STS_SPLIT, &dev->flags); 416 else 417 dumpspeed(dev, (__le32 *) &event[1]); 418 break; 419 /* USB_CDC_NOTIFY_RESPONSE_AVAILABLE can happen too (e.g. RNDIS), 420 * but there are no standard formats for the response data. 421 */ 422 default: 423 netdev_err(dev->net, "CDC: unexpected notification %02x!\n", 424 event->bNotificationType); 425 break; 426 } 427 } 428 EXPORT_SYMBOL_GPL(usbnet_cdc_status); 429 430 int usbnet_cdc_bind(struct usbnet *dev, struct usb_interface *intf) 431 { 432 int status; 433 struct cdc_state *info = (void *) &dev->data; 434 435 BUILD_BUG_ON((sizeof(((struct usbnet *)0)->data) 436 < sizeof(struct cdc_state))); 437 438 status = usbnet_generic_cdc_bind(dev, intf); 439 if (status < 0) 440 return status; 441 442 status = usbnet_get_ethernet_addr(dev, info->ether->iMACAddress); 443 if (status < 0) { 444 usb_set_intfdata(info->data, NULL); 445 usb_driver_release_interface(driver_of(intf), info->data); 446 return status; 447 } 448 449 /* FIXME cdc-ether has some multicast code too, though it complains 450 * in routine cases. info->ether describes the multicast support. 451 * Implement that here, manipulating the cdc filter as needed. 452 */ 453 return 0; 454 } 455 EXPORT_SYMBOL_GPL(usbnet_cdc_bind); 456 457 static const struct driver_info cdc_info = { 458 .description = "CDC Ethernet Device", 459 .flags = FLAG_ETHER | FLAG_POINTTOPOINT, 460 // .check_connect = cdc_check_connect, 461 .bind = usbnet_cdc_bind, 462 .unbind = usbnet_cdc_unbind, 463 .status = usbnet_cdc_status, 464 .manage_power = usbnet_manage_power, 465 }; 466 467 static const struct driver_info wwan_info = { 468 .description = "Mobile Broadband Network Device", 469 .flags = FLAG_WWAN, 470 .bind = usbnet_cdc_bind, 471 .unbind = usbnet_cdc_unbind, 472 .status = usbnet_cdc_status, 473 .manage_power = usbnet_manage_power, 474 }; 475 476 /*-------------------------------------------------------------------------*/ 477 478 #define HUAWEI_VENDOR_ID 0x12D1 479 #define NOVATEL_VENDOR_ID 0x1410 480 #define ZTE_VENDOR_ID 0x19D2 481 #define DELL_VENDOR_ID 0x413C 482 #define REALTEK_VENDOR_ID 0x0bda 483 484 static const struct usb_device_id products [] = { 485 /* 486 * BLACKLIST !! 487 * 488 * First blacklist any products that are egregiously nonconformant 489 * with the CDC Ethernet specs. Minor braindamage we cope with; when 490 * they're not even trying, needing a separate driver is only the first 491 * of the differences to show up. 492 */ 493 494 #define ZAURUS_MASTER_INTERFACE \ 495 .bInterfaceClass = USB_CLASS_COMM, \ 496 .bInterfaceSubClass = USB_CDC_SUBCLASS_ETHERNET, \ 497 .bInterfaceProtocol = USB_CDC_PROTO_NONE 498 499 /* SA-1100 based Sharp Zaurus ("collie"), or compatible; 500 * wire-incompatible with true CDC Ethernet implementations. 501 * (And, it seems, needlessly so...) 502 */ 503 { 504 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 505 | USB_DEVICE_ID_MATCH_DEVICE, 506 .idVendor = 0x04DD, 507 .idProduct = 0x8004, 508 ZAURUS_MASTER_INTERFACE, 509 .driver_info = 0, 510 }, 511 512 /* PXA-25x based Sharp Zaurii. Note that it seems some of these 513 * (later models especially) may have shipped only with firmware 514 * advertising false "CDC MDLM" compatibility ... but we're not 515 * clear which models did that, so for now let's assume the worst. 516 */ 517 { 518 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 519 | USB_DEVICE_ID_MATCH_DEVICE, 520 .idVendor = 0x04DD, 521 .idProduct = 0x8005, /* A-300 */ 522 ZAURUS_MASTER_INTERFACE, 523 .driver_info = 0, 524 }, { 525 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 526 | USB_DEVICE_ID_MATCH_DEVICE, 527 .idVendor = 0x04DD, 528 .idProduct = 0x8006, /* B-500/SL-5600 */ 529 ZAURUS_MASTER_INTERFACE, 530 .driver_info = 0, 531 }, { 532 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 533 | USB_DEVICE_ID_MATCH_DEVICE, 534 .idVendor = 0x04DD, 535 .idProduct = 0x8007, /* C-700 */ 536 ZAURUS_MASTER_INTERFACE, 537 .driver_info = 0, 538 }, { 539 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 540 | USB_DEVICE_ID_MATCH_DEVICE, 541 .idVendor = 0x04DD, 542 .idProduct = 0x9031, /* C-750 C-760 */ 543 ZAURUS_MASTER_INTERFACE, 544 .driver_info = 0, 545 }, { 546 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 547 | USB_DEVICE_ID_MATCH_DEVICE, 548 .idVendor = 0x04DD, 549 .idProduct = 0x9032, /* SL-6000 */ 550 ZAURUS_MASTER_INTERFACE, 551 .driver_info = 0, 552 }, { 553 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 554 | USB_DEVICE_ID_MATCH_DEVICE, 555 .idVendor = 0x04DD, 556 /* reported with some C860 units */ 557 .idProduct = 0x9050, /* C-860 */ 558 ZAURUS_MASTER_INTERFACE, 559 .driver_info = 0, 560 }, 561 562 /* Olympus has some models with a Zaurus-compatible option. 563 * R-1000 uses a FreeScale i.MXL cpu (ARMv4T) 564 */ 565 { 566 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 567 | USB_DEVICE_ID_MATCH_DEVICE, 568 .idVendor = 0x07B4, 569 .idProduct = 0x0F02, /* R-1000 */ 570 ZAURUS_MASTER_INTERFACE, 571 .driver_info = 0, 572 }, 573 574 /* LG Electronics VL600 wants additional headers on every frame */ 575 { 576 USB_DEVICE_AND_INTERFACE_INFO(0x1004, 0x61aa, USB_CLASS_COMM, 577 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 578 .driver_info = 0, 579 }, 580 581 /* Logitech Harmony 900 - uses the pseudo-MDLM (BLAN) driver */ 582 { 583 USB_DEVICE_AND_INTERFACE_INFO(0x046d, 0xc11f, USB_CLASS_COMM, 584 USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE), 585 .driver_info = 0, 586 }, 587 588 /* Novatel USB551L and MC551 - handled by qmi_wwan */ 589 { 590 USB_DEVICE_AND_INTERFACE_INFO(NOVATEL_VENDOR_ID, 0xB001, USB_CLASS_COMM, 591 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 592 .driver_info = 0, 593 }, 594 595 /* Novatel E362 - handled by qmi_wwan */ 596 { 597 USB_DEVICE_AND_INTERFACE_INFO(NOVATEL_VENDOR_ID, 0x9010, USB_CLASS_COMM, 598 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 599 .driver_info = 0, 600 }, 601 602 /* Dell Wireless 5800 (Novatel E362) - handled by qmi_wwan */ 603 { 604 USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, 0x8195, USB_CLASS_COMM, 605 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 606 .driver_info = 0, 607 }, 608 609 /* Dell Wireless 5800 (Novatel E362) - handled by qmi_wwan */ 610 { 611 USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, 0x8196, USB_CLASS_COMM, 612 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 613 .driver_info = 0, 614 }, 615 616 /* Dell Wireless 5804 (Novatel E371) - handled by qmi_wwan */ 617 { 618 USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, 0x819b, USB_CLASS_COMM, 619 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 620 .driver_info = 0, 621 }, 622 623 /* AnyDATA ADU960S - handled by qmi_wwan */ 624 { 625 USB_DEVICE_AND_INTERFACE_INFO(0x16d5, 0x650a, USB_CLASS_COMM, 626 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 627 .driver_info = 0, 628 }, 629 630 /* Huawei E1820 - handled by qmi_wwan */ 631 { 632 USB_DEVICE_INTERFACE_NUMBER(HUAWEI_VENDOR_ID, 0x14ac, 1), 633 .driver_info = 0, 634 }, 635 636 /* Realtek RTL8152 Based USB 2.0 Ethernet Adapters */ 637 #if defined(CONFIG_USB_RTL8152) || defined(CONFIG_USB_RTL8152_MODULE) 638 { 639 USB_DEVICE_AND_INTERFACE_INFO(REALTEK_VENDOR_ID, 0x8152, USB_CLASS_COMM, 640 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 641 .driver_info = 0, 642 }, 643 #endif 644 645 /* 646 * WHITELIST!!! 647 * 648 * CDC Ether uses two interfaces, not necessarily consecutive. 649 * We match the main interface, ignoring the optional device 650 * class so we could handle devices that aren't exclusively 651 * CDC ether. 652 * 653 * NOTE: this match must come AFTER entries blacklisting devices 654 * because of bugs/quirks in a given product (like Zaurus, above). 655 */ 656 { 657 /* ZTE (Vodafone) K3805-Z */ 658 .match_flags = USB_DEVICE_ID_MATCH_VENDOR 659 | USB_DEVICE_ID_MATCH_PRODUCT 660 | USB_DEVICE_ID_MATCH_INT_INFO, 661 .idVendor = ZTE_VENDOR_ID, 662 .idProduct = 0x1003, 663 .bInterfaceClass = USB_CLASS_COMM, 664 .bInterfaceSubClass = USB_CDC_SUBCLASS_ETHERNET, 665 .bInterfaceProtocol = USB_CDC_PROTO_NONE, 666 .driver_info = (unsigned long)&wwan_info, 667 }, { 668 /* ZTE (Vodafone) K3806-Z */ 669 .match_flags = USB_DEVICE_ID_MATCH_VENDOR 670 | USB_DEVICE_ID_MATCH_PRODUCT 671 | USB_DEVICE_ID_MATCH_INT_INFO, 672 .idVendor = ZTE_VENDOR_ID, 673 .idProduct = 0x1015, 674 .bInterfaceClass = USB_CLASS_COMM, 675 .bInterfaceSubClass = USB_CDC_SUBCLASS_ETHERNET, 676 .bInterfaceProtocol = USB_CDC_PROTO_NONE, 677 .driver_info = (unsigned long)&wwan_info, 678 }, { 679 /* ZTE (Vodafone) K4510-Z */ 680 .match_flags = USB_DEVICE_ID_MATCH_VENDOR 681 | USB_DEVICE_ID_MATCH_PRODUCT 682 | USB_DEVICE_ID_MATCH_INT_INFO, 683 .idVendor = ZTE_VENDOR_ID, 684 .idProduct = 0x1173, 685 .bInterfaceClass = USB_CLASS_COMM, 686 .bInterfaceSubClass = USB_CDC_SUBCLASS_ETHERNET, 687 .bInterfaceProtocol = USB_CDC_PROTO_NONE, 688 .driver_info = (unsigned long)&wwan_info, 689 }, { 690 /* ZTE (Vodafone) K3770-Z */ 691 .match_flags = USB_DEVICE_ID_MATCH_VENDOR 692 | USB_DEVICE_ID_MATCH_PRODUCT 693 | USB_DEVICE_ID_MATCH_INT_INFO, 694 .idVendor = ZTE_VENDOR_ID, 695 .idProduct = 0x1177, 696 .bInterfaceClass = USB_CLASS_COMM, 697 .bInterfaceSubClass = USB_CDC_SUBCLASS_ETHERNET, 698 .bInterfaceProtocol = USB_CDC_PROTO_NONE, 699 .driver_info = (unsigned long)&wwan_info, 700 }, { 701 /* ZTE (Vodafone) K3772-Z */ 702 .match_flags = USB_DEVICE_ID_MATCH_VENDOR 703 | USB_DEVICE_ID_MATCH_PRODUCT 704 | USB_DEVICE_ID_MATCH_INT_INFO, 705 .idVendor = ZTE_VENDOR_ID, 706 .idProduct = 0x1181, 707 .bInterfaceClass = USB_CLASS_COMM, 708 .bInterfaceSubClass = USB_CDC_SUBCLASS_ETHERNET, 709 .bInterfaceProtocol = USB_CDC_PROTO_NONE, 710 .driver_info = (unsigned long)&wwan_info, 711 }, { 712 USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_ETHERNET, 713 USB_CDC_PROTO_NONE), 714 .driver_info = (unsigned long) &cdc_info, 715 }, { 716 USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_MDLM, 717 USB_CDC_PROTO_NONE), 718 .driver_info = (unsigned long)&wwan_info, 719 720 }, { 721 /* Various Huawei modems with a network port like the UMG1831 */ 722 .match_flags = USB_DEVICE_ID_MATCH_VENDOR 723 | USB_DEVICE_ID_MATCH_INT_INFO, 724 .idVendor = HUAWEI_VENDOR_ID, 725 .bInterfaceClass = USB_CLASS_COMM, 726 .bInterfaceSubClass = USB_CDC_SUBCLASS_ETHERNET, 727 .bInterfaceProtocol = 255, 728 .driver_info = (unsigned long)&wwan_info, 729 }, 730 { }, // END 731 }; 732 MODULE_DEVICE_TABLE(usb, products); 733 734 static struct usb_driver cdc_driver = { 735 .name = "cdc_ether", 736 .id_table = products, 737 .probe = usbnet_probe, 738 .disconnect = usbnet_disconnect, 739 .suspend = usbnet_suspend, 740 .resume = usbnet_resume, 741 .reset_resume = usbnet_resume, 742 .supports_autosuspend = 1, 743 .disable_hub_initiated_lpm = 1, 744 }; 745 746 module_usb_driver(cdc_driver); 747 748 MODULE_AUTHOR("David Brownell"); 749 MODULE_DESCRIPTION("USB CDC Ethernet devices"); 750 MODULE_LICENSE("GPL"); 751