1 /* 2 * CDC Ethernet based networking peripherals 3 * Copyright (C) 2003-2005 by David Brownell 4 * Copyright (C) 2006 by Ole Andre Vadla Ravnas (ActiveSync) 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation; either version 2 of the License, or 9 * (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, see <http://www.gnu.org/licenses/>. 18 */ 19 20 // #define DEBUG // error path messages, extra info 21 // #define VERBOSE // more; success messages 22 23 #include <linux/module.h> 24 #include <linux/netdevice.h> 25 #include <linux/etherdevice.h> 26 #include <linux/ethtool.h> 27 #include <linux/workqueue.h> 28 #include <linux/mii.h> 29 #include <linux/usb.h> 30 #include <linux/usb/cdc.h> 31 #include <linux/usb/usbnet.h> 32 33 34 #if IS_ENABLED(CONFIG_USB_NET_RNDIS_HOST) 35 36 static int is_rndis(struct usb_interface_descriptor *desc) 37 { 38 return (desc->bInterfaceClass == USB_CLASS_COMM && 39 desc->bInterfaceSubClass == 2 && 40 desc->bInterfaceProtocol == 0xff); 41 } 42 43 static int is_activesync(struct usb_interface_descriptor *desc) 44 { 45 return (desc->bInterfaceClass == USB_CLASS_MISC && 46 desc->bInterfaceSubClass == 1 && 47 desc->bInterfaceProtocol == 1); 48 } 49 50 static int is_wireless_rndis(struct usb_interface_descriptor *desc) 51 { 52 return (desc->bInterfaceClass == USB_CLASS_WIRELESS_CONTROLLER && 53 desc->bInterfaceSubClass == 1 && 54 desc->bInterfaceProtocol == 3); 55 } 56 57 static int is_novatel_rndis(struct usb_interface_descriptor *desc) 58 { 59 return (desc->bInterfaceClass == USB_CLASS_MISC && 60 desc->bInterfaceSubClass == 4 && 61 desc->bInterfaceProtocol == 1); 62 } 63 64 #else 65 66 #define is_rndis(desc) 0 67 #define is_activesync(desc) 0 68 #define is_wireless_rndis(desc) 0 69 #define is_novatel_rndis(desc) 0 70 71 #endif 72 73 static const u8 mbm_guid[16] = { 74 0xa3, 0x17, 0xa8, 0x8b, 0x04, 0x5e, 0x4f, 0x01, 75 0xa6, 0x07, 0xc0, 0xff, 0xcb, 0x7e, 0x39, 0x2a, 76 }; 77 78 static void usbnet_cdc_update_filter(struct usbnet *dev) 79 { 80 struct cdc_state *info = (void *) &dev->data; 81 struct usb_interface *intf = info->control; 82 struct net_device *net = dev->net; 83 84 u16 cdc_filter = USB_CDC_PACKET_TYPE_DIRECTED 85 | USB_CDC_PACKET_TYPE_BROADCAST; 86 87 /* filtering on the device is an optional feature and not worth 88 * the hassle so we just roughly care about snooping and if any 89 * multicast is requested, we take every multicast 90 */ 91 if (net->flags & IFF_PROMISC) 92 cdc_filter |= USB_CDC_PACKET_TYPE_PROMISCUOUS; 93 if (!netdev_mc_empty(net) || (net->flags & IFF_ALLMULTI)) 94 cdc_filter |= USB_CDC_PACKET_TYPE_ALL_MULTICAST; 95 96 usb_control_msg(dev->udev, 97 usb_sndctrlpipe(dev->udev, 0), 98 USB_CDC_SET_ETHERNET_PACKET_FILTER, 99 USB_TYPE_CLASS | USB_RECIP_INTERFACE, 100 cdc_filter, 101 intf->cur_altsetting->desc.bInterfaceNumber, 102 NULL, 103 0, 104 USB_CTRL_SET_TIMEOUT 105 ); 106 } 107 108 /* probes control interface, claims data interface, collects the bulk 109 * endpoints, activates data interface (if needed), maybe sets MTU. 110 * all pure cdc, except for certain firmware workarounds, and knowing 111 * that rndis uses one different rule. 112 */ 113 int usbnet_generic_cdc_bind(struct usbnet *dev, struct usb_interface *intf) 114 { 115 u8 *buf = intf->cur_altsetting->extra; 116 int len = intf->cur_altsetting->extralen; 117 struct usb_interface_descriptor *d; 118 struct cdc_state *info = (void *) &dev->data; 119 int status; 120 int rndis; 121 bool android_rndis_quirk = false; 122 struct usb_driver *driver = driver_of(intf); 123 struct usb_cdc_parsed_header header; 124 125 if (sizeof(dev->data) < sizeof(*info)) 126 return -EDOM; 127 128 /* expect strict spec conformance for the descriptors, but 129 * cope with firmware which stores them in the wrong place 130 */ 131 if (len == 0 && dev->udev->actconfig->extralen) { 132 /* Motorola SB4100 (and others: Brad Hards says it's 133 * from a Broadcom design) put CDC descriptors here 134 */ 135 buf = dev->udev->actconfig->extra; 136 len = dev->udev->actconfig->extralen; 137 dev_dbg(&intf->dev, "CDC descriptors on config\n"); 138 } 139 140 /* Maybe CDC descriptors are after the endpoint? This bug has 141 * been seen on some 2Wire Inc RNDIS-ish products. 142 */ 143 if (len == 0) { 144 struct usb_host_endpoint *hep; 145 146 hep = intf->cur_altsetting->endpoint; 147 if (hep) { 148 buf = hep->extra; 149 len = hep->extralen; 150 } 151 if (len) 152 dev_dbg(&intf->dev, 153 "CDC descriptors on endpoint\n"); 154 } 155 156 /* this assumes that if there's a non-RNDIS vendor variant 157 * of cdc-acm, it'll fail RNDIS requests cleanly. 158 */ 159 rndis = (is_rndis(&intf->cur_altsetting->desc) || 160 is_activesync(&intf->cur_altsetting->desc) || 161 is_wireless_rndis(&intf->cur_altsetting->desc) || 162 is_novatel_rndis(&intf->cur_altsetting->desc)); 163 164 memset(info, 0, sizeof(*info)); 165 info->control = intf; 166 167 cdc_parse_cdc_header(&header, intf, buf, len); 168 169 info->u = header.usb_cdc_union_desc; 170 info->header = header.usb_cdc_header_desc; 171 info->ether = header.usb_cdc_ether_desc; 172 if (!info->u) { 173 if (rndis) 174 goto skip; 175 else /* in that case a quirk is mandatory */ 176 goto bad_desc; 177 } 178 /* we need a master/control interface (what we're 179 * probed with) and a slave/data interface; union 180 * descriptors sort this all out. 181 */ 182 info->control = usb_ifnum_to_if(dev->udev, info->u->bMasterInterface0); 183 info->data = usb_ifnum_to_if(dev->udev, info->u->bSlaveInterface0); 184 if (!info->control || !info->data) { 185 dev_dbg(&intf->dev, 186 "master #%u/%p slave #%u/%p\n", 187 info->u->bMasterInterface0, 188 info->control, 189 info->u->bSlaveInterface0, 190 info->data); 191 /* fall back to hard-wiring for RNDIS */ 192 if (rndis) { 193 android_rndis_quirk = true; 194 goto skip; 195 } 196 goto bad_desc; 197 } 198 if (info->control != intf) { 199 dev_dbg(&intf->dev, "bogus CDC Union\n"); 200 /* Ambit USB Cable Modem (and maybe others) 201 * interchanges master and slave interface. 202 */ 203 if (info->data == intf) { 204 info->data = info->control; 205 info->control = intf; 206 } else 207 goto bad_desc; 208 } 209 210 /* some devices merge these - skip class check */ 211 if (info->control == info->data) 212 goto skip; 213 214 /* a data interface altsetting does the real i/o */ 215 d = &info->data->cur_altsetting->desc; 216 if (d->bInterfaceClass != USB_CLASS_CDC_DATA) { 217 dev_dbg(&intf->dev, "slave class %u\n", d->bInterfaceClass); 218 goto bad_desc; 219 } 220 skip: 221 if (rndis && header.usb_cdc_acm_descriptor && 222 header.usb_cdc_acm_descriptor->bmCapabilities) { 223 dev_dbg(&intf->dev, 224 "ACM capabilities %02x, not really RNDIS?\n", 225 header.usb_cdc_acm_descriptor->bmCapabilities); 226 goto bad_desc; 227 } 228 229 if (header.usb_cdc_ether_desc && info->ether->wMaxSegmentSize) { 230 dev->hard_mtu = le16_to_cpu(info->ether->wMaxSegmentSize); 231 /* because of Zaurus, we may be ignoring the host 232 * side link address we were given. 233 */ 234 } 235 236 if (header.usb_cdc_mdlm_desc && 237 memcmp(header.usb_cdc_mdlm_desc->bGUID, mbm_guid, 16)) { 238 dev_dbg(&intf->dev, "GUID doesn't match\n"); 239 goto bad_desc; 240 } 241 242 if (header.usb_cdc_mdlm_detail_desc && 243 header.usb_cdc_mdlm_detail_desc->bLength < 244 (sizeof(struct usb_cdc_mdlm_detail_desc) + 1)) { 245 dev_dbg(&intf->dev, "Descriptor too short\n"); 246 goto bad_desc; 247 } 248 249 250 251 /* Microsoft ActiveSync based and some regular RNDIS devices lack the 252 * CDC descriptors, so we'll hard-wire the interfaces and not check 253 * for descriptors. 254 * 255 * Some Android RNDIS devices have a CDC Union descriptor pointing 256 * to non-existing interfaces. Ignore that and attempt the same 257 * hard-wired 0 and 1 interfaces. 258 */ 259 if (rndis && (!info->u || android_rndis_quirk)) { 260 info->control = usb_ifnum_to_if(dev->udev, 0); 261 info->data = usb_ifnum_to_if(dev->udev, 1); 262 if (!info->control || !info->data || info->control != intf) { 263 dev_dbg(&intf->dev, 264 "rndis: master #0/%p slave #1/%p\n", 265 info->control, 266 info->data); 267 goto bad_desc; 268 } 269 270 } else if (!info->header || (!rndis && !info->ether)) { 271 dev_dbg(&intf->dev, "missing cdc %s%s%sdescriptor\n", 272 info->header ? "" : "header ", 273 info->u ? "" : "union ", 274 info->ether ? "" : "ether "); 275 goto bad_desc; 276 } 277 278 /* claim data interface and set it up ... with side effects. 279 * network traffic can't flow until an altsetting is enabled. 280 */ 281 if (info->data != info->control) { 282 status = usb_driver_claim_interface(driver, info->data, dev); 283 if (status < 0) 284 return status; 285 } 286 status = usbnet_get_endpoints(dev, info->data); 287 if (status < 0) { 288 /* ensure immediate exit from usbnet_disconnect */ 289 usb_set_intfdata(info->data, NULL); 290 if (info->data != info->control) 291 usb_driver_release_interface(driver, info->data); 292 return status; 293 } 294 295 /* status endpoint: optional for CDC Ethernet, not RNDIS (or ACM) */ 296 if (info->data != info->control) 297 dev->status = NULL; 298 if (info->control->cur_altsetting->desc.bNumEndpoints == 1) { 299 struct usb_endpoint_descriptor *desc; 300 301 dev->status = &info->control->cur_altsetting->endpoint[0]; 302 desc = &dev->status->desc; 303 if (!usb_endpoint_is_int_in(desc) || 304 (le16_to_cpu(desc->wMaxPacketSize) 305 < sizeof(struct usb_cdc_notification)) || 306 !desc->bInterval) { 307 dev_dbg(&intf->dev, "bad notification endpoint\n"); 308 dev->status = NULL; 309 } 310 } 311 if (rndis && !dev->status) { 312 dev_dbg(&intf->dev, "missing RNDIS status endpoint\n"); 313 usb_set_intfdata(info->data, NULL); 314 usb_driver_release_interface(driver, info->data); 315 return -ENODEV; 316 } 317 318 return 0; 319 320 bad_desc: 321 dev_info(&dev->udev->dev, "bad CDC descriptors\n"); 322 return -ENODEV; 323 } 324 EXPORT_SYMBOL_GPL(usbnet_generic_cdc_bind); 325 326 327 /* like usbnet_generic_cdc_bind() but handles filter initialization 328 * correctly 329 */ 330 int usbnet_ether_cdc_bind(struct usbnet *dev, struct usb_interface *intf) 331 { 332 int rv; 333 334 rv = usbnet_generic_cdc_bind(dev, intf); 335 if (rv < 0) 336 goto bail_out; 337 338 /* Some devices don't initialise properly. In particular 339 * the packet filter is not reset. There are devices that 340 * don't do reset all the way. So the packet filter should 341 * be set to a sane initial value. 342 */ 343 usbnet_cdc_update_filter(dev); 344 345 bail_out: 346 return rv; 347 } 348 EXPORT_SYMBOL_GPL(usbnet_ether_cdc_bind); 349 350 void usbnet_cdc_unbind(struct usbnet *dev, struct usb_interface *intf) 351 { 352 struct cdc_state *info = (void *) &dev->data; 353 struct usb_driver *driver = driver_of(intf); 354 355 /* combined interface - nothing to do */ 356 if (info->data == info->control) 357 return; 358 359 /* disconnect master --> disconnect slave */ 360 if (intf == info->control && info->data) { 361 /* ensure immediate exit from usbnet_disconnect */ 362 usb_set_intfdata(info->data, NULL); 363 usb_driver_release_interface(driver, info->data); 364 info->data = NULL; 365 } 366 367 /* and vice versa (just in case) */ 368 else if (intf == info->data && info->control) { 369 /* ensure immediate exit from usbnet_disconnect */ 370 usb_set_intfdata(info->control, NULL); 371 usb_driver_release_interface(driver, info->control); 372 info->control = NULL; 373 } 374 } 375 EXPORT_SYMBOL_GPL(usbnet_cdc_unbind); 376 377 /* Communications Device Class, Ethernet Control model 378 * 379 * Takes two interfaces. The DATA interface is inactive till an altsetting 380 * is selected. Configuration data includes class descriptors. There's 381 * an optional status endpoint on the control interface. 382 * 383 * This should interop with whatever the 2.4 "CDCEther.c" driver 384 * (by Brad Hards) talked with, with more functionality. 385 */ 386 387 static void dumpspeed(struct usbnet *dev, __le32 *speeds) 388 { 389 netif_info(dev, timer, dev->net, 390 "link speeds: %u kbps up, %u kbps down\n", 391 __le32_to_cpu(speeds[0]) / 1000, 392 __le32_to_cpu(speeds[1]) / 1000); 393 } 394 395 void usbnet_cdc_status(struct usbnet *dev, struct urb *urb) 396 { 397 struct usb_cdc_notification *event; 398 399 if (urb->actual_length < sizeof(*event)) 400 return; 401 402 /* SPEED_CHANGE can get split into two 8-byte packets */ 403 if (test_and_clear_bit(EVENT_STS_SPLIT, &dev->flags)) { 404 dumpspeed(dev, (__le32 *) urb->transfer_buffer); 405 return; 406 } 407 408 event = urb->transfer_buffer; 409 switch (event->bNotificationType) { 410 case USB_CDC_NOTIFY_NETWORK_CONNECTION: 411 netif_dbg(dev, timer, dev->net, "CDC: carrier %s\n", 412 event->wValue ? "on" : "off"); 413 usbnet_link_change(dev, !!event->wValue, 0); 414 break; 415 case USB_CDC_NOTIFY_SPEED_CHANGE: /* tx/rx rates */ 416 netif_dbg(dev, timer, dev->net, "CDC: speed change (len %d)\n", 417 urb->actual_length); 418 if (urb->actual_length != (sizeof(*event) + 8)) 419 set_bit(EVENT_STS_SPLIT, &dev->flags); 420 else 421 dumpspeed(dev, (__le32 *) &event[1]); 422 break; 423 /* USB_CDC_NOTIFY_RESPONSE_AVAILABLE can happen too (e.g. RNDIS), 424 * but there are no standard formats for the response data. 425 */ 426 default: 427 netdev_err(dev->net, "CDC: unexpected notification %02x!\n", 428 event->bNotificationType); 429 break; 430 } 431 } 432 EXPORT_SYMBOL_GPL(usbnet_cdc_status); 433 434 int usbnet_cdc_bind(struct usbnet *dev, struct usb_interface *intf) 435 { 436 int status; 437 struct cdc_state *info = (void *) &dev->data; 438 439 BUILD_BUG_ON((sizeof(((struct usbnet *)0)->data) 440 < sizeof(struct cdc_state))); 441 442 status = usbnet_ether_cdc_bind(dev, intf); 443 if (status < 0) 444 return status; 445 446 status = usbnet_get_ethernet_addr(dev, info->ether->iMACAddress); 447 if (status < 0) { 448 usb_set_intfdata(info->data, NULL); 449 usb_driver_release_interface(driver_of(intf), info->data); 450 return status; 451 } 452 453 return 0; 454 } 455 EXPORT_SYMBOL_GPL(usbnet_cdc_bind); 456 457 static int usbnet_cdc_zte_bind(struct usbnet *dev, struct usb_interface *intf) 458 { 459 int status = usbnet_cdc_bind(dev, intf); 460 461 if (!status && (dev->net->dev_addr[0] & 0x02)) 462 eth_hw_addr_random(dev->net); 463 464 return status; 465 } 466 467 /* Make sure packets have correct destination MAC address 468 * 469 * A firmware bug observed on some devices (ZTE MF823/831/910) is that the 470 * device sends packets with a static, bogus, random MAC address (event if 471 * device MAC address has been updated). Always set MAC address to that of the 472 * device. 473 */ 474 static int usbnet_cdc_zte_rx_fixup(struct usbnet *dev, struct sk_buff *skb) 475 { 476 if (skb->len < ETH_HLEN || !(skb->data[0] & 0x02)) 477 return 1; 478 479 skb_reset_mac_header(skb); 480 ether_addr_copy(eth_hdr(skb)->h_dest, dev->net->dev_addr); 481 482 return 1; 483 } 484 485 /* Ensure correct link state 486 * 487 * Some devices (ZTE MF823/831/910) export two carrier on notifications when 488 * connected. This causes the link state to be incorrect. Work around this by 489 * always setting the state to off, then on. 490 */ 491 static void usbnet_cdc_zte_status(struct usbnet *dev, struct urb *urb) 492 { 493 struct usb_cdc_notification *event; 494 495 if (urb->actual_length < sizeof(*event)) 496 return; 497 498 event = urb->transfer_buffer; 499 500 if (event->bNotificationType != USB_CDC_NOTIFY_NETWORK_CONNECTION) { 501 usbnet_cdc_status(dev, urb); 502 return; 503 } 504 505 netif_dbg(dev, timer, dev->net, "CDC: carrier %s\n", 506 event->wValue ? "on" : "off"); 507 508 if (event->wValue && 509 netif_carrier_ok(dev->net)) 510 netif_carrier_off(dev->net); 511 512 usbnet_link_change(dev, !!event->wValue, 0); 513 } 514 515 static const struct driver_info cdc_info = { 516 .description = "CDC Ethernet Device", 517 .flags = FLAG_ETHER | FLAG_POINTTOPOINT, 518 .bind = usbnet_cdc_bind, 519 .unbind = usbnet_cdc_unbind, 520 .status = usbnet_cdc_status, 521 .set_rx_mode = usbnet_cdc_update_filter, 522 .manage_power = usbnet_manage_power, 523 }; 524 525 static const struct driver_info zte_cdc_info = { 526 .description = "ZTE CDC Ethernet Device", 527 .flags = FLAG_ETHER | FLAG_POINTTOPOINT, 528 .bind = usbnet_cdc_zte_bind, 529 .unbind = usbnet_cdc_unbind, 530 .status = usbnet_cdc_zte_status, 531 .set_rx_mode = usbnet_cdc_update_filter, 532 .manage_power = usbnet_manage_power, 533 .rx_fixup = usbnet_cdc_zte_rx_fixup, 534 }; 535 536 static const struct driver_info wwan_info = { 537 .description = "Mobile Broadband Network Device", 538 .flags = FLAG_WWAN, 539 .bind = usbnet_cdc_bind, 540 .unbind = usbnet_cdc_unbind, 541 .status = usbnet_cdc_status, 542 .set_rx_mode = usbnet_cdc_update_filter, 543 .manage_power = usbnet_manage_power, 544 }; 545 546 /*-------------------------------------------------------------------------*/ 547 548 #define HUAWEI_VENDOR_ID 0x12D1 549 #define NOVATEL_VENDOR_ID 0x1410 550 #define ZTE_VENDOR_ID 0x19D2 551 #define DELL_VENDOR_ID 0x413C 552 #define REALTEK_VENDOR_ID 0x0bda 553 #define SAMSUNG_VENDOR_ID 0x04e8 554 #define LENOVO_VENDOR_ID 0x17ef 555 #define LINKSYS_VENDOR_ID 0x13b1 556 #define NVIDIA_VENDOR_ID 0x0955 557 #define HP_VENDOR_ID 0x03f0 558 #define MICROSOFT_VENDOR_ID 0x045e 559 #define UBLOX_VENDOR_ID 0x1546 560 #define TPLINK_VENDOR_ID 0x2357 561 #define AQUANTIA_VENDOR_ID 0x2eca 562 #define ASIX_VENDOR_ID 0x0b95 563 564 static const struct usb_device_id products[] = { 565 /* BLACKLIST !! 566 * 567 * First blacklist any products that are egregiously nonconformant 568 * with the CDC Ethernet specs. Minor braindamage we cope with; when 569 * they're not even trying, needing a separate driver is only the first 570 * of the differences to show up. 571 */ 572 573 #define ZAURUS_MASTER_INTERFACE \ 574 .bInterfaceClass = USB_CLASS_COMM, \ 575 .bInterfaceSubClass = USB_CDC_SUBCLASS_ETHERNET, \ 576 .bInterfaceProtocol = USB_CDC_PROTO_NONE 577 578 /* SA-1100 based Sharp Zaurus ("collie"), or compatible; 579 * wire-incompatible with true CDC Ethernet implementations. 580 * (And, it seems, needlessly so...) 581 */ 582 { 583 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 584 | USB_DEVICE_ID_MATCH_DEVICE, 585 .idVendor = 0x04DD, 586 .idProduct = 0x8004, 587 ZAURUS_MASTER_INTERFACE, 588 .driver_info = 0, 589 }, 590 591 /* PXA-25x based Sharp Zaurii. Note that it seems some of these 592 * (later models especially) may have shipped only with firmware 593 * advertising false "CDC MDLM" compatibility ... but we're not 594 * clear which models did that, so for now let's assume the worst. 595 */ 596 { 597 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 598 | USB_DEVICE_ID_MATCH_DEVICE, 599 .idVendor = 0x04DD, 600 .idProduct = 0x8005, /* A-300 */ 601 ZAURUS_MASTER_INTERFACE, 602 .driver_info = 0, 603 }, { 604 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 605 | USB_DEVICE_ID_MATCH_DEVICE, 606 .idVendor = 0x04DD, 607 .idProduct = 0x8006, /* B-500/SL-5600 */ 608 ZAURUS_MASTER_INTERFACE, 609 .driver_info = 0, 610 }, { 611 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 612 | USB_DEVICE_ID_MATCH_DEVICE, 613 .idVendor = 0x04DD, 614 .idProduct = 0x8007, /* C-700 */ 615 ZAURUS_MASTER_INTERFACE, 616 .driver_info = 0, 617 }, { 618 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 619 | USB_DEVICE_ID_MATCH_DEVICE, 620 .idVendor = 0x04DD, 621 .idProduct = 0x9031, /* C-750 C-760 */ 622 ZAURUS_MASTER_INTERFACE, 623 .driver_info = 0, 624 }, { 625 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 626 | USB_DEVICE_ID_MATCH_DEVICE, 627 .idVendor = 0x04DD, 628 .idProduct = 0x9032, /* SL-6000 */ 629 ZAURUS_MASTER_INTERFACE, 630 .driver_info = 0, 631 }, { 632 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 633 | USB_DEVICE_ID_MATCH_DEVICE, 634 .idVendor = 0x04DD, 635 /* reported with some C860 units */ 636 .idProduct = 0x9050, /* C-860 */ 637 ZAURUS_MASTER_INTERFACE, 638 .driver_info = 0, 639 }, 640 641 /* Olympus has some models with a Zaurus-compatible option. 642 * R-1000 uses a FreeScale i.MXL cpu (ARMv4T) 643 */ 644 { 645 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 646 | USB_DEVICE_ID_MATCH_DEVICE, 647 .idVendor = 0x07B4, 648 .idProduct = 0x0F02, /* R-1000 */ 649 ZAURUS_MASTER_INTERFACE, 650 .driver_info = 0, 651 }, 652 653 /* LG Electronics VL600 wants additional headers on every frame */ 654 { 655 USB_DEVICE_AND_INTERFACE_INFO(0x1004, 0x61aa, USB_CLASS_COMM, 656 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 657 .driver_info = 0, 658 }, 659 660 /* Logitech Harmony 900 - uses the pseudo-MDLM (BLAN) driver */ 661 { 662 USB_DEVICE_AND_INTERFACE_INFO(0x046d, 0xc11f, USB_CLASS_COMM, 663 USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE), 664 .driver_info = 0, 665 }, 666 667 /* Novatel USB551L and MC551 - handled by qmi_wwan */ 668 { 669 USB_DEVICE_AND_INTERFACE_INFO(NOVATEL_VENDOR_ID, 0xB001, USB_CLASS_COMM, 670 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 671 .driver_info = 0, 672 }, 673 674 /* Novatel E362 - handled by qmi_wwan */ 675 { 676 USB_DEVICE_AND_INTERFACE_INFO(NOVATEL_VENDOR_ID, 0x9010, USB_CLASS_COMM, 677 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 678 .driver_info = 0, 679 }, 680 681 /* Dell Wireless 5800 (Novatel E362) - handled by qmi_wwan */ 682 { 683 USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, 0x8195, USB_CLASS_COMM, 684 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 685 .driver_info = 0, 686 }, 687 688 /* Dell Wireless 5800 (Novatel E362) - handled by qmi_wwan */ 689 { 690 USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, 0x8196, USB_CLASS_COMM, 691 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 692 .driver_info = 0, 693 }, 694 695 /* Dell Wireless 5804 (Novatel E371) - handled by qmi_wwan */ 696 { 697 USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, 0x819b, USB_CLASS_COMM, 698 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 699 .driver_info = 0, 700 }, 701 702 /* Novatel Expedite E371 - handled by qmi_wwan */ 703 { 704 USB_DEVICE_AND_INTERFACE_INFO(NOVATEL_VENDOR_ID, 0x9011, USB_CLASS_COMM, 705 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 706 .driver_info = 0, 707 }, 708 709 /* HP lt2523 (Novatel E371) - handled by qmi_wwan */ 710 { 711 USB_DEVICE_AND_INTERFACE_INFO(HP_VENDOR_ID, 0x421d, USB_CLASS_COMM, 712 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 713 .driver_info = 0, 714 }, 715 716 /* AnyDATA ADU960S - handled by qmi_wwan */ 717 { 718 USB_DEVICE_AND_INTERFACE_INFO(0x16d5, 0x650a, USB_CLASS_COMM, 719 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 720 .driver_info = 0, 721 }, 722 723 /* Huawei E1820 - handled by qmi_wwan */ 724 { 725 USB_DEVICE_INTERFACE_NUMBER(HUAWEI_VENDOR_ID, 0x14ac, 1), 726 .driver_info = 0, 727 }, 728 729 /* Realtek RTL8152 Based USB 2.0 Ethernet Adapters */ 730 { 731 USB_DEVICE_AND_INTERFACE_INFO(REALTEK_VENDOR_ID, 0x8152, USB_CLASS_COMM, 732 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 733 .driver_info = 0, 734 }, 735 736 /* Realtek RTL8153 Based USB 3.0 Ethernet Adapters */ 737 { 738 USB_DEVICE_AND_INTERFACE_INFO(REALTEK_VENDOR_ID, 0x8153, USB_CLASS_COMM, 739 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 740 .driver_info = 0, 741 }, 742 743 /* Samsung USB Ethernet Adapters */ 744 { 745 USB_DEVICE_AND_INTERFACE_INFO(SAMSUNG_VENDOR_ID, 0xa101, USB_CLASS_COMM, 746 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 747 .driver_info = 0, 748 }, 749 750 #if IS_ENABLED(CONFIG_USB_RTL8152) 751 /* Linksys USB3GIGV1 Ethernet Adapter */ 752 { 753 USB_DEVICE_AND_INTERFACE_INFO(LINKSYS_VENDOR_ID, 0x0041, USB_CLASS_COMM, 754 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 755 .driver_info = 0, 756 }, 757 #endif 758 759 /* ThinkPad USB-C Dock (based on Realtek RTL8153) */ 760 { 761 USB_DEVICE_AND_INTERFACE_INFO(LENOVO_VENDOR_ID, 0x3062, USB_CLASS_COMM, 762 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 763 .driver_info = 0, 764 }, 765 766 /* ThinkPad Thunderbolt 3 Dock (based on Realtek RTL8153) */ 767 { 768 USB_DEVICE_AND_INTERFACE_INFO(LENOVO_VENDOR_ID, 0x3069, USB_CLASS_COMM, 769 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 770 .driver_info = 0, 771 }, 772 773 /* Lenovo Thinkpad USB 3.0 Ethernet Adapters (based on Realtek RTL8153) */ 774 { 775 USB_DEVICE_AND_INTERFACE_INFO(LENOVO_VENDOR_ID, 0x7205, USB_CLASS_COMM, 776 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 777 .driver_info = 0, 778 }, 779 780 /* Lenovo USB C to Ethernet Adapter (based on Realtek RTL8153) */ 781 { 782 USB_DEVICE_AND_INTERFACE_INFO(LENOVO_VENDOR_ID, 0x720c, USB_CLASS_COMM, 783 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 784 .driver_info = 0, 785 }, 786 787 /* Lenovo USB-C Travel Hub (based on Realtek RTL8153) */ 788 { 789 USB_DEVICE_AND_INTERFACE_INFO(LENOVO_VENDOR_ID, 0x7214, USB_CLASS_COMM, 790 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 791 .driver_info = 0, 792 }, 793 794 /* NVIDIA Tegra USB 3.0 Ethernet Adapters (based on Realtek RTL8153) */ 795 { 796 USB_DEVICE_AND_INTERFACE_INFO(NVIDIA_VENDOR_ID, 0x09ff, USB_CLASS_COMM, 797 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 798 .driver_info = 0, 799 }, 800 801 /* Microsoft Surface 2 dock (based on Realtek RTL8152) */ 802 { 803 USB_DEVICE_AND_INTERFACE_INFO(MICROSOFT_VENDOR_ID, 0x07ab, USB_CLASS_COMM, 804 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 805 .driver_info = 0, 806 }, 807 808 /* Microsoft Surface 3 dock (based on Realtek RTL8153) */ 809 { 810 USB_DEVICE_AND_INTERFACE_INFO(MICROSOFT_VENDOR_ID, 0x07c6, USB_CLASS_COMM, 811 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 812 .driver_info = 0, 813 }, 814 815 /* TP-LINK UE300 USB 3.0 Ethernet Adapters (based on Realtek RTL8153) */ 816 { 817 USB_DEVICE_AND_INTERFACE_INFO(TPLINK_VENDOR_ID, 0x0601, USB_CLASS_COMM, 818 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 819 .driver_info = 0, 820 }, 821 822 /* Aquantia AQtion USB to 5GbE Controller (based on AQC111U) */ 823 { 824 USB_DEVICE_AND_INTERFACE_INFO(AQUANTIA_VENDOR_ID, 0xc101, 825 USB_CLASS_COMM, USB_CDC_SUBCLASS_ETHERNET, 826 USB_CDC_PROTO_NONE), 827 .driver_info = 0, 828 }, 829 830 /* ASIX USB 3.1 Gen1 to 5G Multi-Gigabit Ethernet Adapter(based on AQC111U) */ 831 { 832 USB_DEVICE_AND_INTERFACE_INFO(ASIX_VENDOR_ID, 0x2790, USB_CLASS_COMM, 833 USB_CDC_SUBCLASS_ETHERNET, 834 USB_CDC_PROTO_NONE), 835 .driver_info = 0, 836 }, 837 838 /* ASIX USB 3.1 Gen1 to 2.5G Multi-Gigabit Ethernet Adapter(based on AQC112U) */ 839 { 840 USB_DEVICE_AND_INTERFACE_INFO(ASIX_VENDOR_ID, 0x2791, USB_CLASS_COMM, 841 USB_CDC_SUBCLASS_ETHERNET, 842 USB_CDC_PROTO_NONE), 843 .driver_info = 0, 844 }, 845 846 /* USB-C 3.1 to 5GBASE-T Ethernet Adapter (based on AQC111U) */ 847 { 848 USB_DEVICE_AND_INTERFACE_INFO(0x20f4, 0xe05a, USB_CLASS_COMM, 849 USB_CDC_SUBCLASS_ETHERNET, 850 USB_CDC_PROTO_NONE), 851 .driver_info = 0, 852 }, 853 854 /* QNAP QNA-UC5G1T USB to 5GbE Adapter (based on AQC111U) */ 855 { 856 USB_DEVICE_AND_INTERFACE_INFO(0x1c04, 0x0015, USB_CLASS_COMM, 857 USB_CDC_SUBCLASS_ETHERNET, 858 USB_CDC_PROTO_NONE), 859 .driver_info = 0, 860 }, 861 862 /* WHITELIST!!! 863 * 864 * CDC Ether uses two interfaces, not necessarily consecutive. 865 * We match the main interface, ignoring the optional device 866 * class so we could handle devices that aren't exclusively 867 * CDC ether. 868 * 869 * NOTE: this match must come AFTER entries blacklisting devices 870 * because of bugs/quirks in a given product (like Zaurus, above). 871 */ 872 { 873 /* ZTE (Vodafone) K3805-Z */ 874 USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1003, USB_CLASS_COMM, 875 USB_CDC_SUBCLASS_ETHERNET, 876 USB_CDC_PROTO_NONE), 877 .driver_info = (unsigned long)&wwan_info, 878 }, { 879 /* ZTE (Vodafone) K3806-Z */ 880 USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1015, USB_CLASS_COMM, 881 USB_CDC_SUBCLASS_ETHERNET, 882 USB_CDC_PROTO_NONE), 883 .driver_info = (unsigned long)&wwan_info, 884 }, { 885 /* ZTE (Vodafone) K4510-Z */ 886 USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1173, USB_CLASS_COMM, 887 USB_CDC_SUBCLASS_ETHERNET, 888 USB_CDC_PROTO_NONE), 889 .driver_info = (unsigned long)&wwan_info, 890 }, { 891 /* ZTE (Vodafone) K3770-Z */ 892 USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1177, USB_CLASS_COMM, 893 USB_CDC_SUBCLASS_ETHERNET, 894 USB_CDC_PROTO_NONE), 895 .driver_info = (unsigned long)&wwan_info, 896 }, { 897 /* ZTE (Vodafone) K3772-Z */ 898 USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1181, USB_CLASS_COMM, 899 USB_CDC_SUBCLASS_ETHERNET, 900 USB_CDC_PROTO_NONE), 901 .driver_info = (unsigned long)&wwan_info, 902 }, { 903 /* Telit modules */ 904 USB_VENDOR_AND_INTERFACE_INFO(0x1bc7, USB_CLASS_COMM, 905 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 906 .driver_info = (kernel_ulong_t) &wwan_info, 907 }, { 908 /* Dell DW5580 modules */ 909 USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, 0x81ba, USB_CLASS_COMM, 910 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 911 .driver_info = (kernel_ulong_t)&wwan_info, 912 }, { 913 /* Huawei ME906 and ME909 */ 914 USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0x15c1, USB_CLASS_COMM, 915 USB_CDC_SUBCLASS_ETHERNET, 916 USB_CDC_PROTO_NONE), 917 .driver_info = (unsigned long)&wwan_info, 918 }, { 919 /* ZTE modules */ 920 USB_VENDOR_AND_INTERFACE_INFO(ZTE_VENDOR_ID, USB_CLASS_COMM, 921 USB_CDC_SUBCLASS_ETHERNET, 922 USB_CDC_PROTO_NONE), 923 .driver_info = (unsigned long)&zte_cdc_info, 924 }, { 925 /* U-blox TOBY-L2 */ 926 USB_DEVICE_AND_INTERFACE_INFO(UBLOX_VENDOR_ID, 0x1143, USB_CLASS_COMM, 927 USB_CDC_SUBCLASS_ETHERNET, 928 USB_CDC_PROTO_NONE), 929 .driver_info = (unsigned long)&wwan_info, 930 }, { 931 /* U-blox SARA-U2 */ 932 USB_DEVICE_AND_INTERFACE_INFO(UBLOX_VENDOR_ID, 0x1104, USB_CLASS_COMM, 933 USB_CDC_SUBCLASS_ETHERNET, 934 USB_CDC_PROTO_NONE), 935 .driver_info = (unsigned long)&wwan_info, 936 }, { 937 /* Cinterion PLS8 modem by GEMALTO */ 938 USB_DEVICE_AND_INTERFACE_INFO(0x1e2d, 0x0061, USB_CLASS_COMM, 939 USB_CDC_SUBCLASS_ETHERNET, 940 USB_CDC_PROTO_NONE), 941 .driver_info = (unsigned long)&wwan_info, 942 }, { 943 /* Cinterion AHS3 modem by GEMALTO */ 944 USB_DEVICE_AND_INTERFACE_INFO(0x1e2d, 0x0055, USB_CLASS_COMM, 945 USB_CDC_SUBCLASS_ETHERNET, 946 USB_CDC_PROTO_NONE), 947 .driver_info = (unsigned long)&wwan_info, 948 }, { 949 USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_ETHERNET, 950 USB_CDC_PROTO_NONE), 951 .driver_info = (unsigned long) &cdc_info, 952 }, { 953 USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_MDLM, 954 USB_CDC_PROTO_NONE), 955 .driver_info = (unsigned long)&wwan_info, 956 957 }, { 958 /* Various Huawei modems with a network port like the UMG1831 */ 959 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_COMM, 960 USB_CDC_SUBCLASS_ETHERNET, 255), 961 .driver_info = (unsigned long)&wwan_info, 962 }, 963 { }, /* END */ 964 }; 965 MODULE_DEVICE_TABLE(usb, products); 966 967 static struct usb_driver cdc_driver = { 968 .name = "cdc_ether", 969 .id_table = products, 970 .probe = usbnet_probe, 971 .disconnect = usbnet_disconnect, 972 .suspend = usbnet_suspend, 973 .resume = usbnet_resume, 974 .reset_resume = usbnet_resume, 975 .supports_autosuspend = 1, 976 .disable_hub_initiated_lpm = 1, 977 }; 978 979 module_usb_driver(cdc_driver); 980 981 MODULE_AUTHOR("David Brownell"); 982 MODULE_DESCRIPTION("USB CDC Ethernet devices"); 983 MODULE_LICENSE("GPL"); 984