1// SPDX-License-Identifier: GPL-2.0-or-later 2/* 3 * CDC Ethernet based networking peripherals 4 * Copyright (C) 2003-2005 by David Brownell 5 * Copyright (C) 2006 by Ole Andre Vadla Ravnas (ActiveSync) 6 */ 7 8// #define DEBUG // error path messages, extra info 9// #define VERBOSE // more; success messages 10 11#include <linux/module.h> 12#include <linux/netdevice.h> 13#include <linux/etherdevice.h> 14#include <linux/ethtool.h> 15#include <linux/workqueue.h> 16#include <linux/mii.h> 17#include <linux/usb.h> 18#include <linux/usb/cdc.h> 19#include <linux/usb/usbnet.h> 20 21 22#if IS_ENABLED(CONFIG_USB_NET_RNDIS_HOST) 23 24static int is_rndis(struct usb_interface_descriptor *desc) 25{ 26 return (desc->bInterfaceClass == USB_CLASS_COMM && 27 desc->bInterfaceSubClass == 2 && 28 desc->bInterfaceProtocol == 0xff); 29} 30 31static int is_activesync(struct usb_interface_descriptor *desc) 32{ 33 return (desc->bInterfaceClass == USB_CLASS_MISC && 34 desc->bInterfaceSubClass == 1 && 35 desc->bInterfaceProtocol == 1); 36} 37 38static int is_wireless_rndis(struct usb_interface_descriptor *desc) 39{ 40 return (desc->bInterfaceClass == USB_CLASS_WIRELESS_CONTROLLER && 41 desc->bInterfaceSubClass == 1 && 42 desc->bInterfaceProtocol == 3); 43} 44 45static int is_novatel_rndis(struct usb_interface_descriptor *desc) 46{ 47 return (desc->bInterfaceClass == USB_CLASS_MISC && 48 desc->bInterfaceSubClass == 4 && 49 desc->bInterfaceProtocol == 1); 50} 51 52#else 53 54#define is_rndis(desc) 0 55#define is_activesync(desc) 0 56#define is_wireless_rndis(desc) 0 57#define is_novatel_rndis(desc) 0 58 59#endif 60 61static const u8 mbm_guid[16] = { 62 0xa3, 0x17, 0xa8, 0x8b, 0x04, 0x5e, 0x4f, 0x01, 63 0xa6, 0x07, 0xc0, 0xff, 0xcb, 0x7e, 0x39, 0x2a, 64}; 65 66void usbnet_cdc_update_filter(struct usbnet *dev) 67{ 68 struct net_device *net = dev->net; 69 70 u16 cdc_filter = USB_CDC_PACKET_TYPE_DIRECTED 71 | USB_CDC_PACKET_TYPE_BROADCAST; 72 73 /* filtering on the device is an optional feature and not worth 74 * the hassle so we just roughly care about snooping and if any 75 * multicast is requested, we take every multicast 76 */ 77 if (net->flags & IFF_PROMISC) 78 cdc_filter |= USB_CDC_PACKET_TYPE_PROMISCUOUS; 79 if (!netdev_mc_empty(net) || (net->flags & IFF_ALLMULTI)) 80 cdc_filter |= USB_CDC_PACKET_TYPE_ALL_MULTICAST; 81 82 usb_control_msg(dev->udev, 83 usb_sndctrlpipe(dev->udev, 0), 84 USB_CDC_SET_ETHERNET_PACKET_FILTER, 85 USB_TYPE_CLASS | USB_RECIP_INTERFACE, 86 cdc_filter, 87 dev->intf->cur_altsetting->desc.bInterfaceNumber, 88 NULL, 89 0, 90 USB_CTRL_SET_TIMEOUT 91 ); 92} 93EXPORT_SYMBOL_GPL(usbnet_cdc_update_filter); 94 95/* We need to override usbnet_*_link_ksettings in bind() */ 96static const struct ethtool_ops cdc_ether_ethtool_ops = { 97 .get_link = usbnet_get_link, 98 .nway_reset = usbnet_nway_reset, 99 .get_drvinfo = usbnet_get_drvinfo, 100 .get_msglevel = usbnet_get_msglevel, 101 .set_msglevel = usbnet_set_msglevel, 102 .get_ts_info = ethtool_op_get_ts_info, 103 .get_link_ksettings = usbnet_get_link_ksettings_internal, 104 .set_link_ksettings = NULL, 105}; 106 107/* probes control interface, claims data interface, collects the bulk 108 * endpoints, activates data interface (if needed), maybe sets MTU. 109 * all pure cdc, except for certain firmware workarounds, and knowing 110 * that rndis uses one different rule. 111 */ 112int usbnet_generic_cdc_bind(struct usbnet *dev, struct usb_interface *intf) 113{ 114 u8 *buf = intf->cur_altsetting->extra; 115 int len = intf->cur_altsetting->extralen; 116 struct usb_interface_descriptor *d; 117 struct cdc_state *info = (void *) &dev->data; 118 int status; 119 int rndis; 120 bool android_rndis_quirk = false; 121 struct usb_driver *driver = driver_of(intf); 122 struct usb_cdc_parsed_header header; 123 124 if (sizeof(dev->data) < sizeof(*info)) 125 return -EDOM; 126 127 /* expect strict spec conformance for the descriptors, but 128 * cope with firmware which stores them in the wrong place 129 */ 130 if (len == 0 && dev->udev->actconfig->extralen) { 131 /* Motorola SB4100 (and others: Brad Hards says it's 132 * from a Broadcom design) put CDC descriptors here 133 */ 134 buf = dev->udev->actconfig->extra; 135 len = dev->udev->actconfig->extralen; 136 dev_dbg(&intf->dev, "CDC descriptors on config\n"); 137 } 138 139 /* Maybe CDC descriptors are after the endpoint? This bug has 140 * been seen on some 2Wire Inc RNDIS-ish products. 141 */ 142 if (len == 0) { 143 struct usb_host_endpoint *hep; 144 145 hep = intf->cur_altsetting->endpoint; 146 if (hep) { 147 buf = hep->extra; 148 len = hep->extralen; 149 } 150 if (len) 151 dev_dbg(&intf->dev, 152 "CDC descriptors on endpoint\n"); 153 } 154 155 /* this assumes that if there's a non-RNDIS vendor variant 156 * of cdc-acm, it'll fail RNDIS requests cleanly. 157 */ 158 rndis = (is_rndis(&intf->cur_altsetting->desc) || 159 is_activesync(&intf->cur_altsetting->desc) || 160 is_wireless_rndis(&intf->cur_altsetting->desc) || 161 is_novatel_rndis(&intf->cur_altsetting->desc)); 162 163 memset(info, 0, sizeof(*info)); 164 info->control = intf; 165 166 cdc_parse_cdc_header(&header, intf, buf, len); 167 168 info->u = header.usb_cdc_union_desc; 169 info->header = header.usb_cdc_header_desc; 170 info->ether = header.usb_cdc_ether_desc; 171 if (!info->u) { 172 if (rndis) 173 goto skip; 174 else /* in that case a quirk is mandatory */ 175 goto bad_desc; 176 } 177 /* we need a master/control interface (what we're 178 * probed with) and a slave/data interface; union 179 * descriptors sort this all out. 180 */ 181 info->control = usb_ifnum_to_if(dev->udev, info->u->bMasterInterface0); 182 info->data = usb_ifnum_to_if(dev->udev, info->u->bSlaveInterface0); 183 if (!info->control || !info->data) { 184 dev_dbg(&intf->dev, 185 "master #%u/%p slave #%u/%p\n", 186 info->u->bMasterInterface0, 187 info->control, 188 info->u->bSlaveInterface0, 189 info->data); 190 /* fall back to hard-wiring for RNDIS */ 191 if (rndis) { 192 android_rndis_quirk = true; 193 goto skip; 194 } 195 goto bad_desc; 196 } 197 if (info->control != intf) { 198 dev_dbg(&intf->dev, "bogus CDC Union\n"); 199 /* Ambit USB Cable Modem (and maybe others) 200 * interchanges master and slave interface. 201 */ 202 if (info->data == intf) { 203 info->data = info->control; 204 info->control = intf; 205 } else 206 goto bad_desc; 207 } 208 209 /* some devices merge these - skip class check */ 210 if (info->control == info->data) 211 goto skip; 212 213 /* a data interface altsetting does the real i/o */ 214 d = &info->data->cur_altsetting->desc; 215 if (d->bInterfaceClass != USB_CLASS_CDC_DATA) { 216 dev_dbg(&intf->dev, "slave class %u\n", d->bInterfaceClass); 217 goto bad_desc; 218 } 219skip: 220 /* Communication class functions with bmCapabilities are not 221 * RNDIS. But some Wireless class RNDIS functions use 222 * bmCapabilities for their own purpose. The failsafe is 223 * therefore applied only to Communication class RNDIS 224 * functions. The rndis test is redundant, but a cheap 225 * optimization. 226 */ 227 if (rndis && is_rndis(&intf->cur_altsetting->desc) && 228 header.usb_cdc_acm_descriptor && 229 header.usb_cdc_acm_descriptor->bmCapabilities) { 230 dev_dbg(&intf->dev, 231 "ACM capabilities %02x, not really RNDIS?\n", 232 header.usb_cdc_acm_descriptor->bmCapabilities); 233 goto bad_desc; 234 } 235 236 if (header.usb_cdc_ether_desc && info->ether->wMaxSegmentSize) { 237 dev->hard_mtu = le16_to_cpu(info->ether->wMaxSegmentSize); 238 /* because of Zaurus, we may be ignoring the host 239 * side link address we were given. 240 */ 241 } 242 243 if (header.usb_cdc_mdlm_desc && 244 memcmp(header.usb_cdc_mdlm_desc->bGUID, mbm_guid, 16)) { 245 dev_dbg(&intf->dev, "GUID doesn't match\n"); 246 goto bad_desc; 247 } 248 249 if (header.usb_cdc_mdlm_detail_desc && 250 header.usb_cdc_mdlm_detail_desc->bLength < 251 (sizeof(struct usb_cdc_mdlm_detail_desc) + 1)) { 252 dev_dbg(&intf->dev, "Descriptor too short\n"); 253 goto bad_desc; 254 } 255 256 257 258 /* Microsoft ActiveSync based and some regular RNDIS devices lack the 259 * CDC descriptors, so we'll hard-wire the interfaces and not check 260 * for descriptors. 261 * 262 * Some Android RNDIS devices have a CDC Union descriptor pointing 263 * to non-existing interfaces. Ignore that and attempt the same 264 * hard-wired 0 and 1 interfaces. 265 */ 266 if (rndis && (!info->u || android_rndis_quirk)) { 267 info->control = usb_ifnum_to_if(dev->udev, 0); 268 info->data = usb_ifnum_to_if(dev->udev, 1); 269 if (!info->control || !info->data || info->control != intf) { 270 dev_dbg(&intf->dev, 271 "rndis: master #0/%p slave #1/%p\n", 272 info->control, 273 info->data); 274 goto bad_desc; 275 } 276 277 } else if (!info->header || (!rndis && !info->ether)) { 278 dev_dbg(&intf->dev, "missing cdc %s%s%sdescriptor\n", 279 info->header ? "" : "header ", 280 info->u ? "" : "union ", 281 info->ether ? "" : "ether "); 282 goto bad_desc; 283 } 284 285 /* claim data interface and set it up ... with side effects. 286 * network traffic can't flow until an altsetting is enabled. 287 */ 288 if (info->data != info->control) { 289 status = usb_driver_claim_interface(driver, info->data, dev); 290 if (status < 0) 291 return status; 292 } 293 status = usbnet_get_endpoints(dev, info->data); 294 if (status < 0) { 295 /* ensure immediate exit from usbnet_disconnect */ 296 usb_set_intfdata(info->data, NULL); 297 if (info->data != info->control) 298 usb_driver_release_interface(driver, info->data); 299 return status; 300 } 301 302 /* status endpoint: optional for CDC Ethernet, not RNDIS (or ACM) */ 303 if (info->data != info->control) 304 dev->status = NULL; 305 if (info->control->cur_altsetting->desc.bNumEndpoints == 1) { 306 struct usb_endpoint_descriptor *desc; 307 308 dev->status = &info->control->cur_altsetting->endpoint[0]; 309 desc = &dev->status->desc; 310 if (!usb_endpoint_is_int_in(desc) || 311 (le16_to_cpu(desc->wMaxPacketSize) 312 < sizeof(struct usb_cdc_notification)) || 313 !desc->bInterval) { 314 dev_dbg(&intf->dev, "bad notification endpoint\n"); 315 dev->status = NULL; 316 } 317 } 318 if (rndis && !dev->status) { 319 dev_dbg(&intf->dev, "missing RNDIS status endpoint\n"); 320 usb_set_intfdata(info->data, NULL); 321 usb_driver_release_interface(driver, info->data); 322 return -ENODEV; 323 } 324 325 /* override ethtool_ops */ 326 dev->net->ethtool_ops = &cdc_ether_ethtool_ops; 327 328 return 0; 329 330bad_desc: 331 dev_info(&dev->udev->dev, "bad CDC descriptors\n"); 332 return -ENODEV; 333} 334EXPORT_SYMBOL_GPL(usbnet_generic_cdc_bind); 335 336 337/* like usbnet_generic_cdc_bind() but handles filter initialization 338 * correctly 339 */ 340int usbnet_ether_cdc_bind(struct usbnet *dev, struct usb_interface *intf) 341{ 342 int rv; 343 344 rv = usbnet_generic_cdc_bind(dev, intf); 345 if (rv < 0) 346 goto bail_out; 347 348 /* Some devices don't initialise properly. In particular 349 * the packet filter is not reset. There are devices that 350 * don't do reset all the way. So the packet filter should 351 * be set to a sane initial value. 352 */ 353 usbnet_cdc_update_filter(dev); 354 355bail_out: 356 return rv; 357} 358EXPORT_SYMBOL_GPL(usbnet_ether_cdc_bind); 359 360void usbnet_cdc_unbind(struct usbnet *dev, struct usb_interface *intf) 361{ 362 struct cdc_state *info = (void *) &dev->data; 363 struct usb_driver *driver = driver_of(intf); 364 365 /* combined interface - nothing to do */ 366 if (info->data == info->control) 367 return; 368 369 /* disconnect master --> disconnect slave */ 370 if (intf == info->control && info->data) { 371 /* ensure immediate exit from usbnet_disconnect */ 372 usb_set_intfdata(info->data, NULL); 373 usb_driver_release_interface(driver, info->data); 374 info->data = NULL; 375 } 376 377 /* and vice versa (just in case) */ 378 else if (intf == info->data && info->control) { 379 /* ensure immediate exit from usbnet_disconnect */ 380 usb_set_intfdata(info->control, NULL); 381 usb_driver_release_interface(driver, info->control); 382 info->control = NULL; 383 } 384} 385EXPORT_SYMBOL_GPL(usbnet_cdc_unbind); 386 387/* Communications Device Class, Ethernet Control model 388 * 389 * Takes two interfaces. The DATA interface is inactive till an altsetting 390 * is selected. Configuration data includes class descriptors. There's 391 * an optional status endpoint on the control interface. 392 * 393 * This should interop with whatever the 2.4 "CDCEther.c" driver 394 * (by Brad Hards) talked with, with more functionality. 395 */ 396 397static void speed_change(struct usbnet *dev, __le32 *speeds) 398{ 399 dev->tx_speed = __le32_to_cpu(speeds[0]); 400 dev->rx_speed = __le32_to_cpu(speeds[1]); 401} 402 403void 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 speed_change(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 speed_change(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} 440EXPORT_SYMBOL_GPL(usbnet_cdc_status); 441 442int 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_ether_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 return 0; 462} 463EXPORT_SYMBOL_GPL(usbnet_cdc_bind); 464 465static int usbnet_cdc_zte_bind(struct usbnet *dev, struct usb_interface *intf) 466{ 467 int status = usbnet_cdc_bind(dev, intf); 468 469 if (!status && (dev->net->dev_addr[0] & 0x02)) 470 eth_hw_addr_random(dev->net); 471 472 return status; 473} 474 475/* Make sure packets have correct destination MAC address 476 * 477 * A firmware bug observed on some devices (ZTE MF823/831/910) is that the 478 * device sends packets with a static, bogus, random MAC address (event if 479 * device MAC address has been updated). Always set MAC address to that of the 480 * device. 481 */ 482int usbnet_cdc_zte_rx_fixup(struct usbnet *dev, struct sk_buff *skb) 483{ 484 if (skb->len < ETH_HLEN || !(skb->data[0] & 0x02)) 485 return 1; 486 487 skb_reset_mac_header(skb); 488 ether_addr_copy(eth_hdr(skb)->h_dest, dev->net->dev_addr); 489 490 return 1; 491} 492EXPORT_SYMBOL_GPL(usbnet_cdc_zte_rx_fixup); 493 494/* Ensure correct link state 495 * 496 * Some devices (ZTE MF823/831/910) export two carrier on notifications when 497 * connected. This causes the link state to be incorrect. Work around this by 498 * always setting the state to off, then on. 499 */ 500static void usbnet_cdc_zte_status(struct usbnet *dev, struct urb *urb) 501{ 502 struct usb_cdc_notification *event; 503 504 if (urb->actual_length < sizeof(*event)) 505 return; 506 507 event = urb->transfer_buffer; 508 509 if (event->bNotificationType != USB_CDC_NOTIFY_NETWORK_CONNECTION) { 510 usbnet_cdc_status(dev, urb); 511 return; 512 } 513 514 netif_dbg(dev, timer, dev->net, "CDC: carrier %s\n", 515 event->wValue ? "on" : "off"); 516 517 if (event->wValue && 518 netif_carrier_ok(dev->net)) 519 netif_carrier_off(dev->net); 520 521 usbnet_link_change(dev, !!event->wValue, 0); 522} 523 524static const struct driver_info cdc_info = { 525 .description = "CDC Ethernet Device", 526 .flags = FLAG_ETHER | FLAG_POINTTOPOINT, 527 .bind = usbnet_cdc_bind, 528 .unbind = usbnet_cdc_unbind, 529 .status = usbnet_cdc_status, 530 .set_rx_mode = usbnet_cdc_update_filter, 531 .manage_power = usbnet_manage_power, 532}; 533 534static const struct driver_info zte_cdc_info = { 535 .description = "ZTE CDC Ethernet Device", 536 .flags = FLAG_ETHER | FLAG_POINTTOPOINT, 537 .bind = usbnet_cdc_zte_bind, 538 .unbind = usbnet_cdc_unbind, 539 .status = usbnet_cdc_zte_status, 540 .set_rx_mode = usbnet_cdc_update_filter, 541 .manage_power = usbnet_manage_power, 542 .rx_fixup = usbnet_cdc_zte_rx_fixup, 543}; 544 545static const struct driver_info wwan_info = { 546 .description = "Mobile Broadband Network Device", 547 .flags = FLAG_WWAN, 548 .bind = usbnet_cdc_bind, 549 .unbind = usbnet_cdc_unbind, 550 .status = usbnet_cdc_status, 551 .set_rx_mode = usbnet_cdc_update_filter, 552 .manage_power = usbnet_manage_power, 553}; 554 555/*-------------------------------------------------------------------------*/ 556 557#define HUAWEI_VENDOR_ID 0x12D1 558#define NOVATEL_VENDOR_ID 0x1410 559#define ZTE_VENDOR_ID 0x19D2 560#define DELL_VENDOR_ID 0x413C 561#define REALTEK_VENDOR_ID 0x0bda 562#define SAMSUNG_VENDOR_ID 0x04e8 563#define LENOVO_VENDOR_ID 0x17ef 564#define LINKSYS_VENDOR_ID 0x13b1 565#define NVIDIA_VENDOR_ID 0x0955 566#define HP_VENDOR_ID 0x03f0 567#define MICROSOFT_VENDOR_ID 0x045e 568#define UBLOX_VENDOR_ID 0x1546 569#define TPLINK_VENDOR_ID 0x2357 570#define AQUANTIA_VENDOR_ID 0x2eca 571#define ASIX_VENDOR_ID 0x0b95 572 573static const struct usb_device_id products[] = { 574/* BLACKLIST !! 575 * 576 * First blacklist any products that are egregiously nonconformant 577 * with the CDC Ethernet specs. Minor braindamage we cope with; when 578 * they're not even trying, needing a separate driver is only the first 579 * of the differences to show up. 580 */ 581 582#define ZAURUS_MASTER_INTERFACE \ 583 .bInterfaceClass = USB_CLASS_COMM, \ 584 .bInterfaceSubClass = USB_CDC_SUBCLASS_ETHERNET, \ 585 .bInterfaceProtocol = USB_CDC_PROTO_NONE 586 587#define ZAURUS_FAKE_INTERFACE \ 588 .bInterfaceClass = USB_CLASS_COMM, \ 589 .bInterfaceSubClass = USB_CDC_SUBCLASS_MDLM, \ 590 .bInterfaceProtocol = USB_CDC_PROTO_NONE 591 592/* SA-1100 based Sharp Zaurus ("collie"), or compatible; 593 * wire-incompatible with true CDC Ethernet implementations. 594 * (And, it seems, needlessly so...) 595 */ 596{ 597 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 598 | USB_DEVICE_ID_MATCH_DEVICE, 599 .idVendor = 0x04DD, 600 .idProduct = 0x8004, 601 ZAURUS_MASTER_INTERFACE, 602 .driver_info = 0, 603}, 604 605/* PXA-25x based Sharp Zaurii. Note that it seems some of these 606 * (later models especially) may have shipped only with firmware 607 * advertising false "CDC MDLM" compatibility ... but we're not 608 * clear which models did that, so for now let's assume the worst. 609 */ 610{ 611 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 612 | USB_DEVICE_ID_MATCH_DEVICE, 613 .idVendor = 0x04DD, 614 .idProduct = 0x8005, /* A-300 */ 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 = 0x8005, /* A-300 */ 622 ZAURUS_FAKE_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 = 0x8006, /* B-500/SL-5600 */ 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 .idProduct = 0x8006, /* B-500/SL-5600 */ 636 ZAURUS_FAKE_INTERFACE, 637 .driver_info = 0, 638}, { 639 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 640 | USB_DEVICE_ID_MATCH_DEVICE, 641 .idVendor = 0x04DD, 642 .idProduct = 0x8007, /* C-700 */ 643 ZAURUS_MASTER_INTERFACE, 644 .driver_info = 0, 645}, { 646 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 647 | USB_DEVICE_ID_MATCH_DEVICE, 648 .idVendor = 0x04DD, 649 .idProduct = 0x8007, /* C-700 */ 650 ZAURUS_FAKE_INTERFACE, 651 .driver_info = 0, 652}, { 653 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 654 | USB_DEVICE_ID_MATCH_DEVICE, 655 .idVendor = 0x04DD, 656 .idProduct = 0x9031, /* C-750 C-760 */ 657 ZAURUS_MASTER_INTERFACE, 658 .driver_info = 0, 659}, { 660 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 661 | USB_DEVICE_ID_MATCH_DEVICE, 662 .idVendor = 0x04DD, 663 .idProduct = 0x9032, /* SL-6000 */ 664 ZAURUS_MASTER_INTERFACE, 665 .driver_info = 0, 666}, { 667 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 668 | USB_DEVICE_ID_MATCH_DEVICE, 669 .idVendor = 0x04DD, 670 .idProduct = 0x9032, /* SL-6000 */ 671 ZAURUS_FAKE_INTERFACE, 672 .driver_info = 0, 673}, { 674 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 675 | USB_DEVICE_ID_MATCH_DEVICE, 676 .idVendor = 0x04DD, 677 /* reported with some C860 units */ 678 .idProduct = 0x9050, /* C-860 */ 679 ZAURUS_MASTER_INTERFACE, 680 .driver_info = 0, 681}, 682 683/* Olympus has some models with a Zaurus-compatible option. 684 * R-1000 uses a FreeScale i.MXL cpu (ARMv4T) 685 */ 686{ 687 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 688 | USB_DEVICE_ID_MATCH_DEVICE, 689 .idVendor = 0x07B4, 690 .idProduct = 0x0F02, /* R-1000 */ 691 ZAURUS_MASTER_INTERFACE, 692 .driver_info = 0, 693}, 694 695/* LG Electronics VL600 wants additional headers on every frame */ 696{ 697 USB_DEVICE_AND_INTERFACE_INFO(0x1004, 0x61aa, USB_CLASS_COMM, 698 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 699 .driver_info = 0, 700}, 701 702/* Logitech Harmony 900 - uses the pseudo-MDLM (BLAN) driver */ 703{ 704 USB_DEVICE_AND_INTERFACE_INFO(0x046d, 0xc11f, USB_CLASS_COMM, 705 USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE), 706 .driver_info = 0, 707}, 708 709/* Novatel USB551L and MC551 - handled by qmi_wwan */ 710{ 711 USB_DEVICE_AND_INTERFACE_INFO(NOVATEL_VENDOR_ID, 0xB001, USB_CLASS_COMM, 712 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 713 .driver_info = 0, 714}, 715 716/* Novatel E362 - handled by qmi_wwan */ 717{ 718 USB_DEVICE_AND_INTERFACE_INFO(NOVATEL_VENDOR_ID, 0x9010, USB_CLASS_COMM, 719 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 720 .driver_info = 0, 721}, 722 723/* Dell Wireless 5800 (Novatel E362) - handled by qmi_wwan */ 724{ 725 USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, 0x8195, USB_CLASS_COMM, 726 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 727 .driver_info = 0, 728}, 729 730/* Dell Wireless 5800 (Novatel E362) - handled by qmi_wwan */ 731{ 732 USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, 0x8196, USB_CLASS_COMM, 733 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 734 .driver_info = 0, 735}, 736 737/* Dell Wireless 5804 (Novatel E371) - handled by qmi_wwan */ 738{ 739 USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, 0x819b, USB_CLASS_COMM, 740 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 741 .driver_info = 0, 742}, 743 744/* Novatel Expedite E371 - handled by qmi_wwan */ 745{ 746 USB_DEVICE_AND_INTERFACE_INFO(NOVATEL_VENDOR_ID, 0x9011, USB_CLASS_COMM, 747 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 748 .driver_info = 0, 749}, 750 751/* HP lt2523 (Novatel E371) - handled by qmi_wwan */ 752{ 753 USB_DEVICE_AND_INTERFACE_INFO(HP_VENDOR_ID, 0x421d, USB_CLASS_COMM, 754 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 755 .driver_info = 0, 756}, 757 758/* AnyDATA ADU960S - handled by qmi_wwan */ 759{ 760 USB_DEVICE_AND_INTERFACE_INFO(0x16d5, 0x650a, USB_CLASS_COMM, 761 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 762 .driver_info = 0, 763}, 764 765/* Huawei E1820 - handled by qmi_wwan */ 766{ 767 USB_DEVICE_INTERFACE_NUMBER(HUAWEI_VENDOR_ID, 0x14ac, 1), 768 .driver_info = 0, 769}, 770 771/* Realtek RTL8153 Based USB 3.0 Ethernet Adapters */ 772{ 773 USB_DEVICE_AND_INTERFACE_INFO(REALTEK_VENDOR_ID, 0x8153, USB_CLASS_COMM, 774 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 775 .driver_info = 0, 776}, 777 778/* Lenovo Powered USB-C Travel Hub (4X90S92381, based on Realtek RTL8153) */ 779{ 780 USB_DEVICE_AND_INTERFACE_INFO(LENOVO_VENDOR_ID, 0x721e, USB_CLASS_COMM, 781 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 782 .driver_info = 0, 783}, 784 785/* Aquantia AQtion USB to 5GbE Controller (based on AQC111U) */ 786{ 787 USB_DEVICE_AND_INTERFACE_INFO(AQUANTIA_VENDOR_ID, 0xc101, 788 USB_CLASS_COMM, USB_CDC_SUBCLASS_ETHERNET, 789 USB_CDC_PROTO_NONE), 790 .driver_info = 0, 791}, 792 793/* ASIX USB 3.1 Gen1 to 5G Multi-Gigabit Ethernet Adapter(based on AQC111U) */ 794{ 795 USB_DEVICE_AND_INTERFACE_INFO(ASIX_VENDOR_ID, 0x2790, USB_CLASS_COMM, 796 USB_CDC_SUBCLASS_ETHERNET, 797 USB_CDC_PROTO_NONE), 798 .driver_info = 0, 799}, 800 801/* ASIX USB 3.1 Gen1 to 2.5G Multi-Gigabit Ethernet Adapter(based on AQC112U) */ 802{ 803 USB_DEVICE_AND_INTERFACE_INFO(ASIX_VENDOR_ID, 0x2791, USB_CLASS_COMM, 804 USB_CDC_SUBCLASS_ETHERNET, 805 USB_CDC_PROTO_NONE), 806 .driver_info = 0, 807}, 808 809/* USB-C 3.1 to 5GBASE-T Ethernet Adapter (based on AQC111U) */ 810{ 811 USB_DEVICE_AND_INTERFACE_INFO(0x20f4, 0xe05a, USB_CLASS_COMM, 812 USB_CDC_SUBCLASS_ETHERNET, 813 USB_CDC_PROTO_NONE), 814 .driver_info = 0, 815}, 816 817/* QNAP QNA-UC5G1T USB to 5GbE Adapter (based on AQC111U) */ 818{ 819 USB_DEVICE_AND_INTERFACE_INFO(0x1c04, 0x0015, USB_CLASS_COMM, 820 USB_CDC_SUBCLASS_ETHERNET, 821 USB_CDC_PROTO_NONE), 822 .driver_info = 0, 823}, 824 825/* WHITELIST!!! 826 * 827 * CDC Ether uses two interfaces, not necessarily consecutive. 828 * We match the main interface, ignoring the optional device 829 * class so we could handle devices that aren't exclusively 830 * CDC ether. 831 * 832 * NOTE: this match must come AFTER entries blacklisting devices 833 * because of bugs/quirks in a given product (like Zaurus, above). 834 */ 835{ 836 /* ZTE (Vodafone) K3805-Z */ 837 USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1003, USB_CLASS_COMM, 838 USB_CDC_SUBCLASS_ETHERNET, 839 USB_CDC_PROTO_NONE), 840 .driver_info = (unsigned long)&wwan_info, 841}, { 842 /* ZTE (Vodafone) K3806-Z */ 843 USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1015, USB_CLASS_COMM, 844 USB_CDC_SUBCLASS_ETHERNET, 845 USB_CDC_PROTO_NONE), 846 .driver_info = (unsigned long)&wwan_info, 847}, { 848 /* ZTE (Vodafone) K4510-Z */ 849 USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1173, USB_CLASS_COMM, 850 USB_CDC_SUBCLASS_ETHERNET, 851 USB_CDC_PROTO_NONE), 852 .driver_info = (unsigned long)&wwan_info, 853}, { 854 /* ZTE (Vodafone) K3770-Z */ 855 USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1177, USB_CLASS_COMM, 856 USB_CDC_SUBCLASS_ETHERNET, 857 USB_CDC_PROTO_NONE), 858 .driver_info = (unsigned long)&wwan_info, 859}, { 860 /* ZTE (Vodafone) K3772-Z */ 861 USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1181, USB_CLASS_COMM, 862 USB_CDC_SUBCLASS_ETHERNET, 863 USB_CDC_PROTO_NONE), 864 .driver_info = (unsigned long)&wwan_info, 865}, { 866 /* Telit modules */ 867 USB_VENDOR_AND_INTERFACE_INFO(0x1bc7, USB_CLASS_COMM, 868 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 869 .driver_info = (kernel_ulong_t) &wwan_info, 870}, { 871 /* Dell DW5580 modules */ 872 USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, 0x81ba, USB_CLASS_COMM, 873 USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), 874 .driver_info = (kernel_ulong_t)&wwan_info, 875}, { 876 /* Huawei ME906 and ME909 */ 877 USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0x15c1, USB_CLASS_COMM, 878 USB_CDC_SUBCLASS_ETHERNET, 879 USB_CDC_PROTO_NONE), 880 .driver_info = (unsigned long)&wwan_info, 881}, { 882 /* ZTE modules */ 883 USB_VENDOR_AND_INTERFACE_INFO(ZTE_VENDOR_ID, USB_CLASS_COMM, 884 USB_CDC_SUBCLASS_ETHERNET, 885 USB_CDC_PROTO_NONE), 886 .driver_info = (unsigned long)&zte_cdc_info, 887}, { 888 /* U-blox TOBY-L2 */ 889 USB_DEVICE_AND_INTERFACE_INFO(UBLOX_VENDOR_ID, 0x1143, USB_CLASS_COMM, 890 USB_CDC_SUBCLASS_ETHERNET, 891 USB_CDC_PROTO_NONE), 892 .driver_info = (unsigned long)&wwan_info, 893}, { 894 /* U-blox SARA-U2 */ 895 USB_DEVICE_AND_INTERFACE_INFO(UBLOX_VENDOR_ID, 0x1104, USB_CLASS_COMM, 896 USB_CDC_SUBCLASS_ETHERNET, 897 USB_CDC_PROTO_NONE), 898 .driver_info = (unsigned long)&wwan_info, 899}, { 900 /* U-blox LARA-R6 01B */ 901 USB_DEVICE_AND_INTERFACE_INFO(UBLOX_VENDOR_ID, 0x1313, USB_CLASS_COMM, 902 USB_CDC_SUBCLASS_ETHERNET, 903 USB_CDC_PROTO_NONE), 904 .driver_info = (unsigned long)&wwan_info, 905}, { 906 /* U-blox LARA-L6 */ 907 USB_DEVICE_AND_INTERFACE_INFO(UBLOX_VENDOR_ID, 0x1343, USB_CLASS_COMM, 908 USB_CDC_SUBCLASS_ETHERNET, 909 USB_CDC_PROTO_NONE), 910 .driver_info = (unsigned long)&wwan_info, 911}, { 912 /* Cinterion PLS8 modem by GEMALTO */ 913 USB_DEVICE_AND_INTERFACE_INFO(0x1e2d, 0x0061, USB_CLASS_COMM, 914 USB_CDC_SUBCLASS_ETHERNET, 915 USB_CDC_PROTO_NONE), 916 .driver_info = (unsigned long)&wwan_info, 917}, { 918 /* Cinterion AHS3 modem by GEMALTO */ 919 USB_DEVICE_AND_INTERFACE_INFO(0x1e2d, 0x0055, USB_CLASS_COMM, 920 USB_CDC_SUBCLASS_ETHERNET, 921 USB_CDC_PROTO_NONE), 922 .driver_info = (unsigned long)&wwan_info, 923}, { 924 /* Cinterion PLS62-W modem by GEMALTO/THALES */ 925 USB_DEVICE_AND_INTERFACE_INFO(0x1e2d, 0x005b, USB_CLASS_COMM, 926 USB_CDC_SUBCLASS_ETHERNET, 927 USB_CDC_PROTO_NONE), 928 .driver_info = (unsigned long)&wwan_info, 929}, { 930 /* Cinterion PLS83/PLS63 modem by GEMALTO/THALES */ 931 USB_DEVICE_AND_INTERFACE_INFO(0x1e2d, 0x0069, USB_CLASS_COMM, 932 USB_CDC_SUBCLASS_ETHERNET, 933 USB_CDC_PROTO_NONE), 934 .driver_info = (unsigned long)&wwan_info, 935}, { 936 USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_ETHERNET, 937 USB_CDC_PROTO_NONE), 938 .driver_info = (unsigned long) &cdc_info, 939}, { 940 USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_MDLM, 941 USB_CDC_PROTO_NONE), 942 .driver_info = (unsigned long)&wwan_info, 943 944}, { 945 /* Various Huawei modems with a network port like the UMG1831 */ 946 USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_COMM, 947 USB_CDC_SUBCLASS_ETHERNET, 255), 948 .driver_info = (unsigned long)&wwan_info, 949}, 950 { }, /* END */ 951}; 952MODULE_DEVICE_TABLE(usb, products); 953 954static struct usb_driver cdc_driver = { 955 .name = "cdc_ether", 956 .id_table = products, 957 .probe = usbnet_probe, 958 .disconnect = usbnet_disconnect, 959 .suspend = usbnet_suspend, 960 .resume = usbnet_resume, 961 .reset_resume = usbnet_resume, 962 .supports_autosuspend = 1, 963 .disable_hub_initiated_lpm = 1, 964}; 965 966module_usb_driver(cdc_driver); 967 968MODULE_AUTHOR("David Brownell"); 969MODULE_DESCRIPTION("USB CDC Ethernet devices"); 970MODULE_LICENSE("GPL"); 971