4f27f022fbf7b93bb65aace8189e3b3039192b61
[linux-2.6.git] / drivers / net / usb / cdc_ether.c
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,
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");