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 /* 68 * probes control interface, claims data interface, collects the bulk 69 * endpoints, activates data interface (if needed), maybe sets MTU. 70 * all pure cdc, except for certain firmware workarounds, and knowing 71 * that rndis uses one different rule. 72 */ 73 int usbnet_generic_cdc_bind(struct usbnet *dev, struct usb_interface *intf) 74 { 75 u8 *buf = intf->cur_altsetting->extra; 76 int len = intf->cur_altsetting->extralen; 77 struct usb_interface_descriptor *d; 78 struct cdc_state *info = (void *) &dev->data; 79 int status; 80 int rndis; 81 struct usb_driver *driver = driver_of(intf); 82 83 if (sizeof dev->data < sizeof *info) 84 return -EDOM; 85 86 /* expect strict spec conformance for the descriptors, but 87 * cope with firmware which stores them in the wrong place 88 */ 89 if (len == 0 && dev->udev->actconfig->extralen) { 90 /* Motorola SB4100 (and others: Brad Hards says it's 91 * from a Broadcom design) put CDC descriptors here 92 */ 93 buf = dev->udev->actconfig->extra; 94 len = dev->udev->actconfig->extralen; 95 if (len) 96 dev_dbg(&intf->dev, 97 "CDC descriptors on config\n"); 98 } 99 100 /* Maybe CDC descriptors are after the endpoint? This bug has 101 * been seen on some 2Wire Inc RNDIS-ish products. 102 */ 103 if (len == 0) { 104 struct usb_host_endpoint *hep; 105 106 hep = intf->cur_altsetting->endpoint; 107 if (hep) { 108 buf = hep->extra; 109 len = hep->extralen; 110 } 111 if (len) 112 dev_dbg(&intf->dev, 113 "CDC descriptors on endpoint\n"); 114 } 115 116 /* this assumes that if there's a non-RNDIS vendor variant 117 * of cdc-acm, it'll fail RNDIS requests cleanly. 118 */ 119 rndis = (is_rndis(&intf->cur_altsetting->desc) || 120 is_activesync(&intf->cur_altsetting->desc) || 121 is_wireless_rndis(&intf->cur_altsetting->desc)); 122 123 memset(info, 0, sizeof *info); 124 info->control = intf; 125 while (len > 3) { 126 if (buf [1] != USB_DT_CS_INTERFACE) 127 goto next_desc; 128 129 /* use bDescriptorSubType to identify the CDC descriptors. 130 * We expect devices with CDC header and union descriptors. 131 * For CDC Ethernet we need the ethernet descriptor. 132 * For RNDIS, ignore two (pointless) CDC modem descriptors 133 * in favor of a complicated OID-based RPC scheme doing what 134 * CDC Ethernet achieves with a simple descriptor. 135 */ 136 switch (buf [2]) { 137 case USB_CDC_HEADER_TYPE: 138 if (info->header) { 139 dev_dbg(&intf->dev, "extra CDC header\n"); 140 goto bad_desc; 141 } 142 info->header = (void *) buf; 143 if (info->header->bLength != sizeof *info->header) { 144 dev_dbg(&intf->dev, "CDC header len %u\n", 145 info->header->bLength); 146 goto bad_desc; 147 } 148 break; 149 case USB_CDC_ACM_TYPE: 150 /* paranoia: disambiguate a "real" vendor-specific 151 * modem interface from an RNDIS non-modem. 152 */ 153 if (rndis) { 154 struct usb_cdc_acm_descriptor *acm; 155 156 acm = (void *) buf; 157 if (acm->bmCapabilities) { 158 dev_dbg(&intf->dev, 159 "ACM capabilities %02x, " 160 "not really RNDIS?\n", 161 acm->bmCapabilities); 162 goto bad_desc; 163 } 164 } 165 break; 166 case USB_CDC_UNION_TYPE: 167 if (info->u) { 168 dev_dbg(&intf->dev, "extra CDC union\n"); 169 goto bad_desc; 170 } 171 info->u = (void *) buf; 172 if (info->u->bLength != sizeof *info->u) { 173 dev_dbg(&intf->dev, "CDC union len %u\n", 174 info->u->bLength); 175 goto bad_desc; 176 } 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, 183 info->u->bMasterInterface0); 184 info->data = usb_ifnum_to_if(dev->udev, 185 info->u->bSlaveInterface0); 186 if (!info->control || !info->data) { 187 dev_dbg(&intf->dev, 188 "master #%u/%p slave #%u/%p\n", 189 info->u->bMasterInterface0, 190 info->control, 191 info->u->bSlaveInterface0, 192 info->data); 193 goto bad_desc; 194 } 195 if (info->control != intf) { 196 dev_dbg(&intf->dev, "bogus CDC Union\n"); 197 /* Ambit USB Cable Modem (and maybe others) 198 * interchanges master and slave interface. 199 */ 200 if (info->data == intf) { 201 info->data = info->control; 202 info->control = intf; 203 } else 204 goto bad_desc; 205 } 206 207 /* a data interface altsetting does the real i/o */ 208 d = &info->data->cur_altsetting->desc; 209 if (d->bInterfaceClass != USB_CLASS_CDC_DATA) { 210 dev_dbg(&intf->dev, "slave class %u\n", 211 d->bInterfaceClass); 212 goto bad_desc; 213 } 214 break; 215 case USB_CDC_ETHERNET_TYPE: 216 if (info->ether) { 217 dev_dbg(&intf->dev, "extra CDC ether\n"); 218 goto bad_desc; 219 } 220 info->ether = (void *) buf; 221 if (info->ether->bLength != sizeof *info->ether) { 222 dev_dbg(&intf->dev, "CDC ether len %u\n", 223 info->ether->bLength); 224 goto bad_desc; 225 } 226 dev->hard_mtu = le16_to_cpu( 227 info->ether->wMaxSegmentSize); 228 /* because of Zaurus, we may be ignoring the host 229 * side link address we were given. 230 */ 231 break; 232 } 233 next_desc: 234 len -= buf [0]; /* bLength */ 235 buf += buf [0]; 236 } 237 238 /* Microsoft ActiveSync based and some regular RNDIS devices lack the 239 * CDC descriptors, so we'll hard-wire the interfaces and not check 240 * for descriptors. 241 */ 242 if (rndis && !info->u) { 243 info->control = usb_ifnum_to_if(dev->udev, 0); 244 info->data = usb_ifnum_to_if(dev->udev, 1); 245 if (!info->control || !info->data) { 246 dev_dbg(&intf->dev, 247 "rndis: master #0/%p slave #1/%p\n", 248 info->control, 249 info->data); 250 goto bad_desc; 251 } 252 253 } else if (!info->header || !info->u || (!rndis && !info->ether)) { 254 dev_dbg(&intf->dev, "missing cdc %s%s%sdescriptor\n", 255 info->header ? "" : "header ", 256 info->u ? "" : "union ", 257 info->ether ? "" : "ether "); 258 goto bad_desc; 259 } 260 261 /* claim data interface and set it up ... with side effects. 262 * network traffic can't flow until an altsetting is enabled. 263 */ 264 status = usb_driver_claim_interface(driver, info->data, dev); 265 if (status < 0) 266 return status; 267 status = usbnet_get_endpoints(dev, info->data); 268 if (status < 0) { 269 /* ensure immediate exit from usbnet_disconnect */ 270 usb_set_intfdata(info->data, NULL); 271 usb_driver_release_interface(driver, info->data); 272 return status; 273 } 274 275 /* status endpoint: optional for CDC Ethernet, not RNDIS (or ACM) */ 276 dev->status = NULL; 277 if (info->control->cur_altsetting->desc.bNumEndpoints == 1) { 278 struct usb_endpoint_descriptor *desc; 279 280 dev->status = &info->control->cur_altsetting->endpoint [0]; 281 desc = &dev->status->desc; 282 if (!usb_endpoint_is_int_in(desc) || 283 (le16_to_cpu(desc->wMaxPacketSize) 284 < sizeof(struct usb_cdc_notification)) || 285 !desc->bInterval) { 286 dev_dbg(&intf->dev, "bad notification endpoint\n"); 287 dev->status = NULL; 288 } 289 } 290 if (rndis && !dev->status) { 291 dev_dbg(&intf->dev, "missing RNDIS status endpoint\n"); 292 usb_set_intfdata(info->data, NULL); 293 usb_driver_release_interface(driver, info->data); 294 return -ENODEV; 295 } 296 return 0; 297 298 bad_desc: 299 dev_info(&dev->udev->dev, "bad CDC descriptors\n"); 300 return -ENODEV; 301 } 302 EXPORT_SYMBOL_GPL(usbnet_generic_cdc_bind); 303 304 void usbnet_cdc_unbind(struct usbnet *dev, struct usb_interface *intf) 305 { 306 struct cdc_state *info = (void *) &dev->data; 307 struct usb_driver *driver = driver_of(intf); 308 309 /* disconnect master --> disconnect slave */ 310 if (intf == info->control && info->data) { 311 /* ensure immediate exit from usbnet_disconnect */ 312 usb_set_intfdata(info->data, NULL); 313 usb_driver_release_interface(driver, info->data); 314 info->data = NULL; 315 } 316 317 /* and vice versa (just in case) */ 318 else if (intf == info->data && info->control) { 319 /* ensure immediate exit from usbnet_disconnect */ 320 usb_set_intfdata(info->control, NULL); 321 usb_driver_release_interface(driver, info->control); 322 info->control = NULL; 323 } 324 } 325 EXPORT_SYMBOL_GPL(usbnet_cdc_unbind); 326 327 /*------------------------------------------------------------------------- 328 * 329 * Communications Device Class, Ethernet Control model 330 * 331 * Takes two interfaces. The DATA interface is inactive till an altsetting 332 * is selected. Configuration data includes class descriptors. There's 333 * an optional status endpoint on the control interface. 334 * 335 * This should interop with whatever the 2.4 "CDCEther.c" driver 336 * (by Brad Hards) talked with, with more functionality. 337 * 338 *-------------------------------------------------------------------------*/ 339 340 static void dumpspeed(struct usbnet *dev, __le32 *speeds) 341 { 342 if (netif_msg_timer(dev)) 343 devinfo(dev, "link speeds: %u kbps up, %u kbps down", 344 __le32_to_cpu(speeds[0]) / 1000, 345 __le32_to_cpu(speeds[1]) / 1000); 346 } 347 348 static void cdc_status(struct usbnet *dev, struct urb *urb) 349 { 350 struct usb_cdc_notification *event; 351 352 if (urb->actual_length < sizeof *event) 353 return; 354 355 /* SPEED_CHANGE can get split into two 8-byte packets */ 356 if (test_and_clear_bit(EVENT_STS_SPLIT, &dev->flags)) { 357 dumpspeed(dev, (__le32 *) urb->transfer_buffer); 358 return; 359 } 360 361 event = urb->transfer_buffer; 362 switch (event->bNotificationType) { 363 case USB_CDC_NOTIFY_NETWORK_CONNECTION: 364 if (netif_msg_timer(dev)) 365 devdbg(dev, "CDC: carrier %s", 366 event->wValue ? "on" : "off"); 367 if (event->wValue) 368 netif_carrier_on(dev->net); 369 else 370 netif_carrier_off(dev->net); 371 break; 372 case USB_CDC_NOTIFY_SPEED_CHANGE: /* tx/rx rates */ 373 if (netif_msg_timer(dev)) 374 devdbg(dev, "CDC: speed change (len %d)", 375 urb->actual_length); 376 if (urb->actual_length != (sizeof *event + 8)) 377 set_bit(EVENT_STS_SPLIT, &dev->flags); 378 else 379 dumpspeed(dev, (__le32 *) &event[1]); 380 break; 381 /* USB_CDC_NOTIFY_RESPONSE_AVAILABLE can happen too (e.g. RNDIS), 382 * but there are no standard formats for the response data. 383 */ 384 default: 385 deverr(dev, "CDC: unexpected notification %02x!", 386 event->bNotificationType); 387 break; 388 } 389 } 390 391 static int cdc_bind(struct usbnet *dev, struct usb_interface *intf) 392 { 393 int status; 394 struct cdc_state *info = (void *) &dev->data; 395 396 status = usbnet_generic_cdc_bind(dev, intf); 397 if (status < 0) 398 return status; 399 400 status = usbnet_get_ethernet_addr(dev, info->ether->iMACAddress); 401 if (status < 0) { 402 usb_set_intfdata(info->data, NULL); 403 usb_driver_release_interface(driver_of(intf), info->data); 404 return status; 405 } 406 407 /* FIXME cdc-ether has some multicast code too, though it complains 408 * in routine cases. info->ether describes the multicast support. 409 * Implement that here, manipulating the cdc filter as needed. 410 */ 411 return 0; 412 } 413 414 static int cdc_manage_power(struct usbnet *dev, int on) 415 { 416 dev->intf->needs_remote_wakeup = on; 417 return 0; 418 } 419 420 static const struct driver_info cdc_info = { 421 .description = "CDC Ethernet Device", 422 .flags = FLAG_ETHER | FLAG_LINK_INTR, 423 // .check_connect = cdc_check_connect, 424 .bind = cdc_bind, 425 .unbind = usbnet_cdc_unbind, 426 .status = cdc_status, 427 .manage_power = cdc_manage_power, 428 }; 429 430 static const struct driver_info mbm_info = { 431 .description = "Mobile Broadband Network Device", 432 .flags = FLAG_WWAN, 433 .bind = cdc_bind, 434 .unbind = usbnet_cdc_unbind, 435 .status = cdc_status, 436 }; 437 438 /*-------------------------------------------------------------------------*/ 439 440 441 static const struct usb_device_id products [] = { 442 /* 443 * BLACKLIST !! 444 * 445 * First blacklist any products that are egregiously nonconformant 446 * with the CDC Ethernet specs. Minor braindamage we cope with; when 447 * they're not even trying, needing a separate driver is only the first 448 * of the differences to show up. 449 */ 450 451 #define ZAURUS_MASTER_INTERFACE \ 452 .bInterfaceClass = USB_CLASS_COMM, \ 453 .bInterfaceSubClass = USB_CDC_SUBCLASS_ETHERNET, \ 454 .bInterfaceProtocol = USB_CDC_PROTO_NONE 455 456 /* SA-1100 based Sharp Zaurus ("collie"), or compatible; 457 * wire-incompatible with true CDC Ethernet implementations. 458 * (And, it seems, needlessly so...) 459 */ 460 { 461 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 462 | USB_DEVICE_ID_MATCH_DEVICE, 463 .idVendor = 0x04DD, 464 .idProduct = 0x8004, 465 ZAURUS_MASTER_INTERFACE, 466 .driver_info = 0, 467 }, 468 469 /* PXA-25x based Sharp Zaurii. Note that it seems some of these 470 * (later models especially) may have shipped only with firmware 471 * advertising false "CDC MDLM" compatibility ... but we're not 472 * clear which models did that, so for now let's assume the worst. 473 */ 474 { 475 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 476 | USB_DEVICE_ID_MATCH_DEVICE, 477 .idVendor = 0x04DD, 478 .idProduct = 0x8005, /* A-300 */ 479 ZAURUS_MASTER_INTERFACE, 480 .driver_info = 0, 481 }, { 482 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 483 | USB_DEVICE_ID_MATCH_DEVICE, 484 .idVendor = 0x04DD, 485 .idProduct = 0x8006, /* B-500/SL-5600 */ 486 ZAURUS_MASTER_INTERFACE, 487 .driver_info = 0, 488 }, { 489 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 490 | USB_DEVICE_ID_MATCH_DEVICE, 491 .idVendor = 0x04DD, 492 .idProduct = 0x8007, /* C-700 */ 493 ZAURUS_MASTER_INTERFACE, 494 .driver_info = 0, 495 }, { 496 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 497 | USB_DEVICE_ID_MATCH_DEVICE, 498 .idVendor = 0x04DD, 499 .idProduct = 0x9031, /* C-750 C-760 */ 500 ZAURUS_MASTER_INTERFACE, 501 .driver_info = 0, 502 }, { 503 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 504 | USB_DEVICE_ID_MATCH_DEVICE, 505 .idVendor = 0x04DD, 506 .idProduct = 0x9032, /* SL-6000 */ 507 ZAURUS_MASTER_INTERFACE, 508 .driver_info = 0, 509 }, { 510 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 511 | USB_DEVICE_ID_MATCH_DEVICE, 512 .idVendor = 0x04DD, 513 /* reported with some C860 units */ 514 .idProduct = 0x9050, /* C-860 */ 515 ZAURUS_MASTER_INTERFACE, 516 .driver_info = 0, 517 }, 518 519 /* Olympus has some models with a Zaurus-compatible option. 520 * R-1000 uses a FreeScale i.MXL cpu (ARMv4T) 521 */ 522 { 523 .match_flags = USB_DEVICE_ID_MATCH_INT_INFO 524 | USB_DEVICE_ID_MATCH_DEVICE, 525 .idVendor = 0x07B4, 526 .idProduct = 0x0F02, /* R-1000 */ 527 ZAURUS_MASTER_INTERFACE, 528 .driver_info = 0, 529 }, 530 531 /* 532 * WHITELIST!!! 533 * 534 * CDC Ether uses two interfaces, not necessarily consecutive. 535 * We match the main interface, ignoring the optional device 536 * class so we could handle devices that aren't exclusively 537 * CDC ether. 538 * 539 * NOTE: this match must come AFTER entries blacklisting devices 540 * because of bugs/quirks in a given product (like Zaurus, above). 541 */ 542 { 543 USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_ETHERNET, 544 USB_CDC_PROTO_NONE), 545 .driver_info = (unsigned long) &cdc_info, 546 }, { 547 /* Ericsson F3507g */ 548 USB_DEVICE_AND_INTERFACE_INFO(0x0bdb, 0x1900, USB_CLASS_COMM, 549 USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE), 550 .driver_info = (unsigned long) &mbm_info, 551 }, { 552 /* Ericsson F3507g ver. 2 */ 553 USB_DEVICE_AND_INTERFACE_INFO(0x0bdb, 0x1902, USB_CLASS_COMM, 554 USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE), 555 .driver_info = (unsigned long) &mbm_info, 556 }, { 557 /* Ericsson F3607gw */ 558 USB_DEVICE_AND_INTERFACE_INFO(0x0bdb, 0x1904, USB_CLASS_COMM, 559 USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE), 560 .driver_info = (unsigned long) &mbm_info, 561 }, { 562 /* Ericsson F3607gw ver 2 */ 563 USB_DEVICE_AND_INTERFACE_INFO(0x0bdb, 0x1905, USB_CLASS_COMM, 564 USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE), 565 .driver_info = (unsigned long) &mbm_info, 566 }, { 567 /* Ericsson F3607gw ver 3 */ 568 USB_DEVICE_AND_INTERFACE_INFO(0x0bdb, 0x1906, USB_CLASS_COMM, 569 USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE), 570 .driver_info = (unsigned long) &mbm_info, 571 }, { 572 /* Ericsson F3307 */ 573 USB_DEVICE_AND_INTERFACE_INFO(0x0bdb, 0x190a, USB_CLASS_COMM, 574 USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE), 575 .driver_info = (unsigned long) &mbm_info, 576 }, { 577 /* Ericsson F3307 ver 2 */ 578 USB_DEVICE_AND_INTERFACE_INFO(0x0bdb, 0x1909, USB_CLASS_COMM, 579 USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE), 580 .driver_info = (unsigned long) &mbm_info, 581 }, { 582 /* Ericsson C3607w */ 583 USB_DEVICE_AND_INTERFACE_INFO(0x0bdb, 0x1049, USB_CLASS_COMM, 584 USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE), 585 .driver_info = (unsigned long) &mbm_info, 586 }, { 587 /* Toshiba F3507g */ 588 USB_DEVICE_AND_INTERFACE_INFO(0x0930, 0x130b, USB_CLASS_COMM, 589 USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE), 590 .driver_info = (unsigned long) &mbm_info, 591 }, { 592 /* Toshiba F3607gw */ 593 USB_DEVICE_AND_INTERFACE_INFO(0x0930, 0x130c, USB_CLASS_COMM, 594 USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE), 595 .driver_info = (unsigned long) &mbm_info, 596 }, { 597 /* Toshiba F3607gw ver 2 */ 598 USB_DEVICE_AND_INTERFACE_INFO(0x0930, 0x1311, USB_CLASS_COMM, 599 USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE), 600 .driver_info = (unsigned long) &mbm_info, 601 }, { 602 /* Dell F3507g */ 603 USB_DEVICE_AND_INTERFACE_INFO(0x413c, 0x8147, USB_CLASS_COMM, 604 USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE), 605 .driver_info = (unsigned long) &mbm_info, 606 }, { 607 /* Dell F3607gw */ 608 USB_DEVICE_AND_INTERFACE_INFO(0x413c, 0x8183, USB_CLASS_COMM, 609 USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE), 610 .driver_info = (unsigned long) &mbm_info, 611 }, { 612 /* Dell F3607gw ver 2 */ 613 USB_DEVICE_AND_INTERFACE_INFO(0x413c, 0x8184, USB_CLASS_COMM, 614 USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE), 615 .driver_info = (unsigned long) &mbm_info, 616 }, 617 { }, // END 618 }; 619 MODULE_DEVICE_TABLE(usb, products); 620 621 static struct usb_driver cdc_driver = { 622 .name = "cdc_ether", 623 .id_table = products, 624 .probe = usbnet_probe, 625 .disconnect = usbnet_disconnect, 626 .suspend = usbnet_suspend, 627 .resume = usbnet_resume, 628 .reset_resume = usbnet_resume, 629 .supports_autosuspend = 1, 630 }; 631 632 633 static int __init cdc_init(void) 634 { 635 BUILD_BUG_ON((sizeof(((struct usbnet *)0)->data) 636 < sizeof(struct cdc_state))); 637 638 return usb_register(&cdc_driver); 639 } 640 module_init(cdc_init); 641 642 static void __exit cdc_exit(void) 643 { 644 usb_deregister(&cdc_driver); 645 } 646 module_exit(cdc_exit); 647 648 MODULE_AUTHOR("David Brownell"); 649 MODULE_DESCRIPTION("USB CDC Ethernet devices"); 650 MODULE_LICENSE("GPL"); 651