?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
initial commit with v2.6.9
[linux-2.6.9-moxart.git] / drivers / usb / gadget / rndis.c
blob1cd445a01d1379642f88de028fc51e80e7a36dae
1 /*
2 * RNDIS MSG parser
3 *
4 * Version: $Id: rndis.c,v 1.19 2004/03/25 21:33:46 robert Exp $
5 *
6 * Authors: Benedikt Spranger, Pengutronix
7 * Robert Schwebel, Pengutronix
8 *
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License
11 * version 2, as published by the Free Software Foundation.
12 *
13 * This software was originally developed in conformance with
14 * Microsoft's Remote NDIS Specification License Agreement.
15 *
16 * 03/12/2004 Kai-Uwe Bloem <linux-development@auerswald.de>
17 * Fixed message length bug in init_response
18 *
19 * 03/25/2004 Kai-Uwe Bloem <linux-development@auerswald.de>
20 * Fixed rndis_rm_hdr length bug.
21 *
22 * Copyright (C) 2004 by David Brownell
23 * updates to merge with Linux 2.6, better match RNDIS spec
24 */
25
26 #include <linux/config.h>
27 #include <linux/module.h>
28 #include <linux/moduleparam.h>
29 #include <linux/kernel.h>
30 #include <linux/errno.h>
31 #include <linux/version.h>
32 #include <linux/init.h>
33 #include <linux/list.h>
34 #include <linux/proc_fs.h>
35 #include <linux/netdevice.h>
36
37 #include <asm/io.h>
38 #include <asm/byteorder.h>
39 #include <asm/system.h>
40
41
42 #undef RNDIS_PM
43 #undef VERBOSE
44
45 #include "rndis.h"
46
47
48 /* The driver for your USB chip needs to support ep0 OUT to work with
49 * RNDIS, plus all three CDC Ethernet endpoints (interrupt not optional).
50 *
51 * Windows hosts need an INF file like Documentation/usb/linux.inf
52 * and will be happier if you provide the host_addr module parameter.
53 */
54
55 #if 0
56 #define DEBUG(str,args...) do { \
57 if (rndis_debug) \
58 printk(KERN_DEBUG str , ## args ); \
59 } while (0)
60 static int rndis_debug = 0;
61
62 module_param (rndis_debug, bool, 0);
63 MODULE_PARM_DESC (rndis_debug, "enable debugging");
64
65 #else
66
67 #define rndis_debug 0
68 #define DEBUG(str,args...) do{}while(0)
69 #endif
70
71 #define RNDIS_MAX_CONFIGS 1
72
73 static struct proc_dir_entry *rndis_connect_dir;
74 static struct proc_dir_entry *rndis_connect_state [RNDIS_MAX_CONFIGS];
75
76 static rndis_params rndis_per_dev_params [RNDIS_MAX_CONFIGS];
77
78 /* Driver Version */
79 static const u32 rndis_driver_version = __constant_cpu_to_le32 (1);
80
81 /* Function Prototypes */
82 static int rndis_init_response (int configNr, rndis_init_msg_type *buf);
83 static int rndis_query_response (int configNr, rndis_query_msg_type *buf);
84 static int rndis_set_response (int configNr, rndis_set_msg_type *buf);
85 static int rndis_reset_response (int configNr, rndis_reset_msg_type *buf);
86 static int rndis_keepalive_response (int configNr,
87 rndis_keepalive_msg_type *buf);
88
89 static rndis_resp_t *rndis_add_response (int configNr, u32 length);
90
91
92 /* NDIS Functions */
93 static int gen_ndis_query_resp (int configNr, u32 OID, rndis_resp_t *r)
94 {
95 int retval = -ENOTSUPP;
96 u32 length = 0;
97 u32 *tmp;
98 int i, count;
99 rndis_query_cmplt_type *resp;
100
101 if (!r) return -ENOMEM;
102 resp = (rndis_query_cmplt_type *) r->buf;
103
104 if (!resp) return -ENOMEM;
105
106 switch (OID) {
107
108 /* general oids (table 4-1) */
109
110 /* mandatory */
111 case OID_GEN_SUPPORTED_LIST:
112 DEBUG ("%s: OID_GEN_SUPPORTED_LIST\n", __FUNCTION__);
113 length = sizeof (oid_supported_list);
114 count = length / sizeof (u32);
115 tmp = (u32 *) ((u8 *)resp + 24);
116 for (i = 0; i < count; i++)
117 tmp[i] = cpu_to_le32 (oid_supported_list[i]);
118 retval = 0;
119 break;
120
121 /* mandatory */
122 case OID_GEN_HARDWARE_STATUS:
123 DEBUG("%s: OID_GEN_HARDWARE_STATUS\n", __FUNCTION__);
124 length = 4;
125 /* Bogus question!
126 * Hardware must be ready to recieve high level protocols.
127 * BTW:
128 * reddite ergo quae sunt Caesaris Caesari
129 * et quae sunt Dei Deo!
130 */
131 *((u32 *) resp + 6) = __constant_cpu_to_le32 (0);
132 retval = 0;
133 break;
134
135 /* mandatory */
136 case OID_GEN_MEDIA_SUPPORTED:
137 DEBUG("%s: OID_GEN_MEDIA_SUPPORTED\n", __FUNCTION__);
138 length = 4;
139 *((u32 *) resp + 6) = cpu_to_le32 (
140 rndis_per_dev_params [configNr].medium);
141 retval = 0;
142 break;
143
144 /* mandatory */
145 case OID_GEN_MEDIA_IN_USE:
146 DEBUG("%s: OID_GEN_MEDIA_IN_USE\n", __FUNCTION__);
147 length = 4;
148 /* one medium, one transport... (maybe you do it better) */
149 *((u32 *) resp + 6) = cpu_to_le32 (
150 rndis_per_dev_params [configNr].medium);
151 retval = 0;
152 break;
153
154 /* mandatory */
155 case OID_GEN_MAXIMUM_FRAME_SIZE:
156 DEBUG("%s: OID_GEN_MAXIMUM_FRAME_SIZE\n", __FUNCTION__);
157 if (rndis_per_dev_params [configNr].dev) {
158 length = 4;
159 *((u32 *) resp + 6) = cpu_to_le32 (
160 rndis_per_dev_params [configNr].dev->mtu);
161 retval = 0;
162 } else {
163 *((u32 *) resp + 6) = __constant_cpu_to_le32 (0);
164 retval = 0;
165 }
166 break;
167
168 /* mandatory */
169 case OID_GEN_LINK_SPEED:
170 DEBUG("%s: OID_GEN_LINK_SPEED\n", __FUNCTION__);
171 length = 4;
172 if (rndis_per_dev_params [configNr].media_state
173 == NDIS_MEDIA_STATE_DISCONNECTED)
174 *((u32 *) resp + 6) = __constant_cpu_to_le32 (0);
175 else
176 *((u32 *) resp + 6) = cpu_to_le32 (
177 rndis_per_dev_params [configNr].speed);
178 retval = 0;
179 break;
180
181 /* mandatory */
182 case OID_GEN_TRANSMIT_BLOCK_SIZE:
183 DEBUG("%s: OID_GEN_TRANSMIT_BLOCK_SIZE\n", __FUNCTION__);
184 if (rndis_per_dev_params [configNr].dev) {
185 length = 4;
186 *((u32 *) resp + 6) = cpu_to_le32 (
187 rndis_per_dev_params [configNr].dev->mtu);
188 retval = 0;
189 }
190 break;
191
192 /* mandatory */
193 case OID_GEN_RECEIVE_BLOCK_SIZE:
194 DEBUG("%s: OID_GEN_RECEIVE_BLOCK_SIZE\n", __FUNCTION__);
195 if (rndis_per_dev_params [configNr].dev) {
196 length = 4;
197 *((u32 *) resp + 6) = cpu_to_le32 (
198 rndis_per_dev_params [configNr].dev->mtu);
199 retval = 0;
200 }
201 break;
202
203 /* mandatory */
204 case OID_GEN_VENDOR_ID:
205 DEBUG("%s: OID_GEN_VENDOR_ID\n", __FUNCTION__);
206 length = 4;
207 *((u32 *) resp + 6) = cpu_to_le32 (
208 rndis_per_dev_params [configNr].vendorID);
209 retval = 0;
210 break;
211
212 /* mandatory */
213 case OID_GEN_VENDOR_DESCRIPTION:
214 DEBUG("%s: OID_GEN_VENDOR_DESCRIPTION\n", __FUNCTION__);
215 length = strlen (rndis_per_dev_params [configNr].vendorDescr);
216 memcpy ((u8 *) resp + 24,
217 rndis_per_dev_params [configNr].vendorDescr, length);
218 retval = 0;
219 break;
220
221 case OID_GEN_VENDOR_DRIVER_VERSION:
222 DEBUG("%s: OID_GEN_VENDOR_DRIVER_VERSION\n", __FUNCTION__);
223 length = 4;
224 /* Created as LE */
225 *((u32 *) resp + 6) = rndis_driver_version;
226 retval = 0;
227 break;
228
229 /* mandatory */
230 case OID_GEN_CURRENT_PACKET_FILTER:
231 DEBUG("%s: OID_GEN_CURRENT_PACKET_FILTER\n", __FUNCTION__);
232 length = 4;
233 *((u32 *) resp + 6) = cpu_to_le32 (
234 rndis_per_dev_params[configNr].filter);
235 retval = 0;
236 break;
237
238 /* mandatory */
239 case OID_GEN_MAXIMUM_TOTAL_SIZE:
240 DEBUG("%s: OID_GEN_MAXIMUM_TOTAL_SIZE\n", __FUNCTION__);
241 length = 4;
242 *((u32 *) resp + 6) = __constant_cpu_to_le32(
243 RNDIS_MAX_TOTAL_SIZE);
244 retval = 0;
245 break;
246
247 /* mandatory */
248 case OID_GEN_MEDIA_CONNECT_STATUS:
249 DEBUG("%s: OID_GEN_MEDIA_CONNECT_STATUS\n", __FUNCTION__);
250 length = 4;
251 *((u32 *) resp + 6) = cpu_to_le32 (
252 rndis_per_dev_params [configNr]
253 .media_state);
254 retval = 0;
255 break;
256
257 case OID_GEN_PHYSICAL_MEDIUM:
258 DEBUG("%s: OID_GEN_PHYSICAL_MEDIUM\n", __FUNCTION__);
259 length = 4;
260 *((u32 *) resp + 6) = __constant_cpu_to_le32 (0);
261 retval = 0;
262 break;
263
264 /* The RNDIS specification is incomplete/wrong. Some versions
265 * of MS-Windows expect OIDs that aren't specified there. Other
266 * versions emit undefined RNDIS messages. DOCUMENT ALL THESE!
267 */
268 case OID_GEN_MAC_OPTIONS: /* from WinME */
269 DEBUG("%s: OID_GEN_MAC_OPTIONS\n", __FUNCTION__);
270 length = 4;
271 *((u32 *) resp + 6) = __constant_cpu_to_le32(
272 NDIS_MAC_OPTION_RECEIVE_SERIALIZED
273 | NDIS_MAC_OPTION_FULL_DUPLEX);
274 retval = 0;
275 break;
276
277 /* statistics OIDs (table 4-2) */
278
279 /* mandatory */
280 case OID_GEN_XMIT_OK:
281 DEBUG("%s: OID_GEN_XMIT_OK\n", __FUNCTION__);
282 if (rndis_per_dev_params [configNr].stats) {
283 length = 4;
284 *((u32 *) resp + 6) = cpu_to_le32 (
285 rndis_per_dev_params [configNr].stats->tx_packets -
286 rndis_per_dev_params [configNr].stats->tx_errors -
287 rndis_per_dev_params [configNr].stats->tx_dropped);
288 retval = 0;
289 } else {
290 *((u32 *) resp + 6) = __constant_cpu_to_le32 (0);
291 retval = 0;
292 }
293 break;
294
295 /* mandatory */
296 case OID_GEN_RCV_OK:
297 DEBUG("%s: OID_GEN_RCV_OK\n", __FUNCTION__);
298 if (rndis_per_dev_params [configNr].stats) {
299 length = 4;
300 *((u32 *) resp + 6) = cpu_to_le32 (
301 rndis_per_dev_params [configNr].stats->rx_packets -
302 rndis_per_dev_params [configNr].stats->rx_errors -
303 rndis_per_dev_params [configNr].stats->rx_dropped);
304 retval = 0;
305 } else {
306 *((u32 *) resp + 6) = __constant_cpu_to_le32 (0);
307 retval = 0;
308 }
309 break;
310
311 /* mandatory */
312 case OID_GEN_XMIT_ERROR:
313 DEBUG("%s: OID_GEN_XMIT_ERROR\n", __FUNCTION__);
314 if (rndis_per_dev_params [configNr].stats) {
315 length = 4;
316 *((u32 *) resp + 6) = cpu_to_le32 (
317 rndis_per_dev_params [configNr]
318 .stats->tx_errors);
319 retval = 0;
320 } else {
321 *((u32 *) resp + 6) = __constant_cpu_to_le32 (0);
322 retval = 0;
323 }
324 break;
325
326 /* mandatory */
327 case OID_GEN_RCV_ERROR:
328 DEBUG("%s: OID_GEN_RCV_ERROR\n", __FUNCTION__);
329 if (rndis_per_dev_params [configNr].stats) {
330 *((u32 *) resp + 6) = cpu_to_le32 (
331 rndis_per_dev_params [configNr]
332 .stats->rx_errors);
333 retval = 0;
334 } else {
335 *((u32 *) resp + 6) = __constant_cpu_to_le32 (0);
336 retval = 0;
337 }
338 break;
339
340 /* mandatory */
341 case OID_GEN_RCV_NO_BUFFER:
342 DEBUG("%s: OID_GEN_RCV_NO_BUFFER\n", __FUNCTION__);
343 if (rndis_per_dev_params [configNr].stats) {
344 *((u32 *) resp + 6) = cpu_to_le32 (
345 rndis_per_dev_params [configNr]
346 .stats->rx_dropped);
347 retval = 0;
348 } else {
349 *((u32 *) resp + 6) = __constant_cpu_to_le32 (0);
350 retval = 0;
351 }
352 break;
353
354 #ifdef RNDIS_OPTIONAL_STATS
355 case OID_GEN_DIRECTED_BYTES_XMIT:
356 DEBUG("%s: OID_GEN_DIRECTED_BYTES_XMIT\n", __FUNCTION__);
357 /*
358 * Aunt Tilly's size of shoes
359 * minus antarctica count of penguins
360 * divided by weight of Alpha Centauri
361 */
362 if (rndis_per_dev_params [configNr].stats) {
363 length = 4;
364 *((u32 *) resp + 6) = cpu_to_le32 (
365 (rndis_per_dev_params [configNr]
366 .stats->tx_packets -
367 rndis_per_dev_params [configNr]
368 .stats->tx_errors -
369 rndis_per_dev_params [configNr]
370 .stats->tx_dropped)
371 * 123);
372 retval = 0;
373 } else {
374 *((u32 *) resp + 6) = __constant_cpu_to_le32 (0);
375 retval = 0;
376 }
377 break;
378
379 case OID_GEN_DIRECTED_FRAMES_XMIT:
380 DEBUG("%s: OID_GEN_DIRECTED_FRAMES_XMIT\n", __FUNCTION__);
381 /* dito */
382 if (rndis_per_dev_params [configNr].stats) {
383 length = 4;
384 *((u32 *) resp + 6) = cpu_to_le32 (
385 (rndis_per_dev_params [configNr]
386 .stats->tx_packets -
387 rndis_per_dev_params [configNr]
388 .stats->tx_errors -
389 rndis_per_dev_params [configNr]
390 .stats->tx_dropped)
391 / 123);
392 retval = 0;
393 } else {
394 *((u32 *) resp + 6) = __constant_cpu_to_le32 (0);
395 retval = 0;
396 }
397 break;
398
399 case OID_GEN_MULTICAST_BYTES_XMIT:
400 DEBUG("%s: OID_GEN_MULTICAST_BYTES_XMIT\n", __FUNCTION__);
401 if (rndis_per_dev_params [configNr].stats) {
402 *((u32 *) resp + 6) = cpu_to_le32 (
403 rndis_per_dev_params [configNr]
404 .stats->multicast*1234);
405 retval = 0;
406 } else {
407 *((u32 *) resp + 6) = __constant_cpu_to_le32 (0);
408 retval = 0;
409 }
410 break;
411
412 case OID_GEN_MULTICAST_FRAMES_XMIT:
413 DEBUG("%s: OID_GEN_MULTICAST_FRAMES_XMIT\n", __FUNCTION__);
414 if (rndis_per_dev_params [configNr].stats) {
415 *((u32 *) resp + 6) = cpu_to_le32 (
416 rndis_per_dev_params [configNr]
417 .stats->multicast);
418 retval = 0;
419 } else {
420 *((u32 *) resp + 6) = __constant_cpu_to_le32 (0);
421 retval = 0;
422 }
423 break;
424
425 case OID_GEN_BROADCAST_BYTES_XMIT:
426 DEBUG("%s: OID_GEN_BROADCAST_BYTES_XMIT\n", __FUNCTION__);
427 if (rndis_per_dev_params [configNr].stats) {
428 *((u32 *) resp + 6) = cpu_to_le32 (
429 rndis_per_dev_params [configNr]
430 .stats->tx_packets/42*255);
431 retval = 0;
432 } else {
433 *((u32 *) resp + 6) = __constant_cpu_to_le32 (0);
434 retval = 0;
435 }
436 break;
437
438 case OID_GEN_BROADCAST_FRAMES_XMIT:
439 DEBUG("%s: OID_GEN_BROADCAST_FRAMES_XMIT\n", __FUNCTION__);
440 if (rndis_per_dev_params [configNr].stats) {
441 *((u32 *) resp + 6) = cpu_to_le32 (
442 rndis_per_dev_params [configNr]
443 .stats->tx_packets/42);
444 retval = 0;
445 } else {
446 *((u32 *) resp + 6) = __constant_cpu_to_le32 (0);
447 retval = 0;
448 }
449 break;
450
451 case OID_GEN_DIRECTED_BYTES_RCV:
452 DEBUG("%s: OID_GEN_DIRECTED_BYTES_RCV\n", __FUNCTION__);
453 *((u32 *) resp + 6) = __constant_cpu_to_le32 (0);
454 retval = 0;
455 break;
456
457 case OID_GEN_DIRECTED_FRAMES_RCV:
458 DEBUG("%s: OID_GEN_DIRECTED_FRAMES_RCV\n", __FUNCTION__);
459 *((u32 *) resp + 6) = __constant_cpu_to_le32 (0);
460 retval = 0;
461 break;
462
463 case OID_GEN_MULTICAST_BYTES_RCV:
464 DEBUG("%s: OID_GEN_MULTICAST_BYTES_RCV\n", __FUNCTION__);
465 if (rndis_per_dev_params [configNr].stats) {
466 *((u32 *) resp + 6) = cpu_to_le32 (
467 rndis_per_dev_params [configNr]
468 .stats->multicast * 1111);
469 retval = 0;
470 } else {
471 *((u32 *) resp + 6) = __constant_cpu_to_le32 (0);
472 retval = 0;
473 }
474 break;
475
476 case OID_GEN_MULTICAST_FRAMES_RCV:
477 DEBUG("%s: OID_GEN_MULTICAST_FRAMES_RCV\n", __FUNCTION__);
478 if (rndis_per_dev_params [configNr].stats) {
479 *((u32 *) resp + 6) = cpu_to_le32 (
480 rndis_per_dev_params [configNr]
481 .stats->multicast);
482 retval = 0;
483 } else {
484 *((u32 *) resp + 6) = __constant_cpu_to_le32 (0);
485 retval = 0;
486 }
487 break;
488
489 case OID_GEN_BROADCAST_BYTES_RCV:
490 DEBUG("%s: OID_GEN_BROADCAST_BYTES_RCV\n", __FUNCTION__);
491 if (rndis_per_dev_params [configNr].stats) {
492 *((u32 *) resp + 6) = cpu_to_le32 (
493 rndis_per_dev_params [configNr]
494 .stats->rx_packets/42*255);
495 retval = 0;
496 } else {
497 *((u32 *) resp + 6) = __constant_cpu_to_le32 (0);
498 retval = 0;
499 }
500 break;
501
502 case OID_GEN_BROADCAST_FRAMES_RCV:
503 DEBUG("%s: OID_GEN_BROADCAST_FRAMES_RCV\n", __FUNCTION__);
504 if (rndis_per_dev_params [configNr].stats) {
505 *((u32 *) resp + 6) = cpu_to_le32 (
506 rndis_per_dev_params [configNr]
507 .stats->rx_packets/42);
508 retval = 0;
509 } else {
510 *((u32 *) resp + 6) = __constant_cpu_to_le32 (0);
511 retval = 0;
512 }
513 break;
514
515 case OID_GEN_RCV_CRC_ERROR:
516 DEBUG("%s: OID_GEN_RCV_CRC_ERROR\n", __FUNCTION__);
517 if (rndis_per_dev_params [configNr].stats) {
518 *((u32 *) resp + 6) = cpu_to_le32 (
519 rndis_per_dev_params [configNr]
520 .stats->rx_crc_errors);
521 retval = 0;
522 } else {
523 *((u32 *) resp + 6) = __constant_cpu_to_le32 (0);
524 retval = 0;
525 }
526 break;
527
528 case OID_GEN_TRANSMIT_QUEUE_LENGTH:
529 DEBUG("%s: OID_GEN_TRANSMIT_QUEUE_LENGTH\n", __FUNCTION__);
530 *((u32 *) resp + 6) = __constant_cpu_to_le32 (0);
531 retval = 0;
532 break;
533 #endif /* RNDIS_OPTIONAL_STATS */
534
535 /* ieee802.3 OIDs (table 4-3) */
536
537 /* mandatory */
538 case OID_802_3_PERMANENT_ADDRESS:
539 DEBUG("%s: OID_802_3_PERMANENT_ADDRESS\n", __FUNCTION__);
540 if (rndis_per_dev_params [configNr].dev) {
541 length = ETH_ALEN;
542 memcpy ((u8 *) resp + 24,
543 rndis_per_dev_params [configNr].host_mac,
544 length);
545 retval = 0;
546 } else {
547 *((u32 *) resp + 6) = __constant_cpu_to_le32 (0);
548 retval = 0;
549 }
550 break;
551
552 /* mandatory */
553 case OID_802_3_CURRENT_ADDRESS:
554 DEBUG("%s: OID_802_3_CURRENT_ADDRESS\n", __FUNCTION__);
555 if (rndis_per_dev_params [configNr].dev) {
556 length = ETH_ALEN;
557 memcpy ((u8 *) resp + 24,
558 rndis_per_dev_params [configNr].host_mac,
559 length);
560 retval = 0;
561 }
562 break;
563
564 /* mandatory */
565 case OID_802_3_MULTICAST_LIST:
566 DEBUG("%s: OID_802_3_MULTICAST_LIST\n", __FUNCTION__);
567 length = 4;
568 /* Multicast base address only */
569 *((u32 *) resp + 6) = __constant_cpu_to_le32 (0xE0000000);
570 retval = 0;
571 break;
572
573 /* mandatory */
574 case OID_802_3_MAXIMUM_LIST_SIZE:
575 DEBUG("%s: OID_802_3_MAXIMUM_LIST_SIZE\n", __FUNCTION__);
576 length = 4;
577 /* Multicast base address only */
578 *((u32 *) resp + 6) = __constant_cpu_to_le32 (1);
579 retval = 0;
580 break;
581
582 case OID_802_3_MAC_OPTIONS:
583 DEBUG("%s: OID_802_3_MAC_OPTIONS\n", __FUNCTION__);
584 break;
585
586 /* ieee802.3 statistics OIDs (table 4-4) */
587
588 /* mandatory */
589 case OID_802_3_RCV_ERROR_ALIGNMENT:
590 DEBUG("%s: OID_802_3_RCV_ERROR_ALIGNMENT\n", __FUNCTION__);
591 if (rndis_per_dev_params [configNr].stats)
592 {
593 length = 4;
594 *((u32 *) resp + 6) = cpu_to_le32 (
595 rndis_per_dev_params [configNr]
596 .stats->rx_frame_errors);
597 retval = 0;
598 }
599 break;
600
601 /* mandatory */
602 case OID_802_3_XMIT_ONE_COLLISION:
603 DEBUG("%s: OID_802_3_XMIT_ONE_COLLISION\n", __FUNCTION__);
604 length = 4;
605 *((u32 *) resp + 6) = __constant_cpu_to_le32 (0);
606 retval = 0;
607 break;
608
609 /* mandatory */
610 case OID_802_3_XMIT_MORE_COLLISIONS:
611 DEBUG("%s: OID_802_3_XMIT_MORE_COLLISIONS\n", __FUNCTION__);
612 length = 4;
613 *((u32 *) resp + 6) = __constant_cpu_to_le32 (0);
614 retval = 0;
615 break;
616
617 #ifdef RNDIS_OPTIONAL_STATS
618 case OID_802_3_XMIT_DEFERRED:
619 DEBUG("%s: OID_802_3_XMIT_DEFERRED\n", __FUNCTION__);
620 /* TODO */
621 break;
622
623 case OID_802_3_XMIT_MAX_COLLISIONS:
624 DEBUG("%s: OID_802_3_XMIT_MAX_COLLISIONS\n", __FUNCTION__);
625 /* TODO */
626 break;
627
628 case OID_802_3_RCV_OVERRUN:
629 DEBUG("%s: OID_802_3_RCV_OVERRUN\n", __FUNCTION__);
630 /* TODO */
631 break;
632
633 case OID_802_3_XMIT_UNDERRUN:
634 DEBUG("%s: OID_802_3_XMIT_UNDERRUN\n", __FUNCTION__);
635 /* TODO */
636 break;
637
638 case OID_802_3_XMIT_HEARTBEAT_FAILURE:
639 DEBUG("%s: OID_802_3_XMIT_HEARTBEAT_FAILURE\n", __FUNCTION__);
640 /* TODO */
641 break;
642
643 case OID_802_3_XMIT_TIMES_CRS_LOST:
644 DEBUG("%s: OID_802_3_XMIT_TIMES_CRS_LOST\n", __FUNCTION__);
645 /* TODO */
646 break;
647
648 case OID_802_3_XMIT_LATE_COLLISIONS:
649 DEBUG("%s: OID_802_3_XMIT_LATE_COLLISIONS\n", __FUNCTION__);
650 /* TODO */
651 break;
652 #endif /* RNDIS_OPTIONAL_STATS */
653
654 #ifdef RNDIS_PM
655 /* power management OIDs (table 4-5) */
656 case OID_PNP_CAPABILITIES:
657 DEBUG("%s: OID_PNP_CAPABILITIES\n", __FUNCTION__);
658
659 /* just PM, and remote wakeup on link status change
660 * (not magic packet or pattern match)
661 */
662 length = sizeof (struct NDIS_PNP_CAPABILITIES);
663 memset (resp, 0, length);
664 {
665 struct NDIS_PNP_CAPABILITIES *caps = (void *) resp;
666
667 caps->Flags = NDIS_DEVICE_WAKE_UP_ENABLE;
668 caps->WakeUpCapabilities.MinLinkChangeWakeUp
669 = NdisDeviceStateD3;
670
671 /* FIXME then use usb_gadget_wakeup(), and
672 * set USB_CONFIG_ATT_WAKEUP in config desc
673 */
674 }
675 retval = 0;
676 break;
677 case OID_PNP_QUERY_POWER:
678 DEBUG("%s: OID_PNP_QUERY_POWER\n", __FUNCTION__);
679 /* sure, handle any power state that maps to USB suspend */
680 retval = 0;
681 break;
682 #endif
683
684 default:
685 printk (KERN_WARNING "%s: query unknown OID 0x%08X\n",
686 __FUNCTION__, OID);
687 }
688
689 resp->InformationBufferOffset = __constant_cpu_to_le32 (16);
690 resp->InformationBufferLength = cpu_to_le32 (length);
691 resp->MessageLength = cpu_to_le32 (24 + length);
692 r->length = 24 + length;
693 return retval;
694 }
695
696 static int gen_ndis_set_resp (u8 configNr, u32 OID, u8 *buf, u32 buf_len,
697 rndis_resp_t *r)
698 {
699 rndis_set_cmplt_type *resp;
700 int i, retval = -ENOTSUPP;
701 struct rndis_params *params;
702
703 if (!r)
704 return -ENOMEM;
705 resp = (rndis_set_cmplt_type *) r->buf;
706 if (!resp)
707 return -ENOMEM;
708
709 DEBUG("set OID %08x value, len %d:\n", OID, buf_len);
710 for (i = 0; i < buf_len; i += 16) {
711 DEBUG ("%03d: "
712 " %02x %02x %02x %02x"
713 " %02x %02x %02x %02x"
714 " %02x %02x %02x %02x"
715 " %02x %02x %02x %02x"
716 "\n",
717 i,
718 buf[i], buf [i+1],
719 buf[i+2], buf[i+3],
720 buf[i+4], buf [i+5],
721 buf[i+6], buf[i+7],
722 buf[i+8], buf [i+9],
723 buf[i+10], buf[i+11],
724 buf[i+12], buf [i+13],
725 buf[i+14], buf[i+15]);
726 }
727
728 switch (OID) {
729 case OID_GEN_CURRENT_PACKET_FILTER:
730 params = &rndis_per_dev_params [configNr];
731 retval = 0;
732
733 /* FIXME use these NDIS_PACKET_TYPE_* bitflags to
734 * filter packets in hard_start_xmit()
735 * NDIS_PACKET_TYPE_x == CDC_PACKET_TYPE_x for x in:
736 * PROMISCUOUS, DIRECTED,
737 * MULTICAST, ALL_MULTICAST, BROADCAST
738 */
739 params->filter = cpu_to_le32p((u32 *)buf);
740 DEBUG("%s: OID_GEN_CURRENT_PACKET_FILTER %08x\n",
741 __FUNCTION__, params->filter);
742
743 /* this call has a significant side effect: it's
744 * what makes the packet flow start and stop, like
745 * activating the CDC Ethernet altsetting.
746 */
747 if (params->filter) {
748 params->state = RNDIS_DATA_INITIALIZED;
749 netif_carrier_on(params->dev);
750 if (netif_running(params->dev))
751 netif_wake_queue (params->dev);
752 } else {
753 params->state = RNDIS_INITIALIZED;
754 netif_carrier_off (params->dev);
755 netif_stop_queue (params->dev);
756 }
757 break;
758
759 case OID_802_3_MULTICAST_LIST:
760 /* I think we can ignore this */
761 DEBUG("%s: OID_802_3_MULTICAST_LIST\n", __FUNCTION__);
762 retval = 0;
763 break;
764 #if 0
765 case OID_GEN_RNDIS_CONFIG_PARAMETER:
766 {
767 struct rndis_config_parameter *param;
768 param = (struct rndis_config_parameter *) buf;
769 DEBUG("%s: OID_GEN_RNDIS_CONFIG_PARAMETER '%*s'\n",
770 __FUNCTION__,
771 min(cpu_to_le32(param->ParameterNameLength),80),
772 buf + param->ParameterNameOffset);
773 retval = 0;
774 }
775 break;
776 #endif
777
778 #ifdef RNDIS_PM
779 case OID_PNP_SET_POWER:
780 DEBUG ("OID_PNP_SET_POWER\n");
781 /* sure, handle any power state that maps to USB suspend */
782 retval = 0;
783 break;
784
785 case OID_PNP_ENABLE_WAKE_UP:
786 /* always-connected ... */
787 DEBUG ("OID_PNP_ENABLE_WAKE_UP\n");
788 retval = 0;
789 break;
790
791 // no PM resume patterns supported (specified where?)
792 // so OID_PNP_{ADD,REMOVE}_WAKE_UP_PATTERN always fails
793 #endif
794
795 default:
796 printk (KERN_WARNING "%s: set unknown OID 0x%08X, size %d\n",
797 __FUNCTION__, OID, buf_len);
798 }
799
800 return retval;
801 }
802
803 /*
804 * Response Functions
805 */
806
807 static int rndis_init_response (int configNr, rndis_init_msg_type *buf)
808 {
809 rndis_init_cmplt_type *resp;
810 rndis_resp_t *r;
811
812 if (!rndis_per_dev_params [configNr].dev) return -ENOTSUPP;
813
814 r = rndis_add_response (configNr, sizeof (rndis_init_cmplt_type));
815
816 if (!r) return -ENOMEM;
817
818 resp = (rndis_init_cmplt_type *) r->buf;
819
820 if (!resp) return -ENOMEM;
821
822 resp->MessageType = __constant_cpu_to_le32 (
823 REMOTE_NDIS_INITIALIZE_CMPLT);
824 resp->MessageLength = __constant_cpu_to_le32 (52);
825 resp->RequestID = buf->RequestID; /* Still LE in msg buffer */
826 resp->Status = __constant_cpu_to_le32 (RNDIS_STATUS_SUCCESS);
827 resp->MajorVersion = __constant_cpu_to_le32 (RNDIS_MAJOR_VERSION);
828 resp->MinorVersion = __constant_cpu_to_le32 (RNDIS_MINOR_VERSION);
829 resp->DeviceFlags = __constant_cpu_to_le32 (RNDIS_DF_CONNECTIONLESS);
830 resp->Medium = __constant_cpu_to_le32 (RNDIS_MEDIUM_802_3);
831 resp->MaxPacketsPerTransfer = __constant_cpu_to_le32 (1);
832 resp->MaxTransferSize = cpu_to_le32 (
833 rndis_per_dev_params [configNr].dev->mtu
834 + sizeof (struct ethhdr)
835 + sizeof (struct rndis_packet_msg_type)
836 + 22);
837 resp->PacketAlignmentFactor = __constant_cpu_to_le32 (0);
838 resp->AFListOffset = __constant_cpu_to_le32 (0);
839 resp->AFListSize = __constant_cpu_to_le32 (0);
840
841 if (rndis_per_dev_params [configNr].ack)
842 rndis_per_dev_params [configNr].ack (
843 rndis_per_dev_params [configNr].dev);
844
845 return 0;
846 }
847
848 static int rndis_query_response (int configNr, rndis_query_msg_type *buf)
849 {
850 rndis_query_cmplt_type *resp;
851 rndis_resp_t *r;
852
853 // DEBUG("%s: OID = %08X\n", __FUNCTION__, cpu_to_le32(buf->OID));
854 if (!rndis_per_dev_params [configNr].dev) return -ENOTSUPP;
855
856 /*
857 * we need more memory:
858 * oid_supported_list is the largest answer
859 */
860 r = rndis_add_response (configNr, sizeof (oid_supported_list));
861
862 if (!r) return -ENOMEM;
863 resp = (rndis_query_cmplt_type *) r->buf;
864
865 if (!resp) return -ENOMEM;
866
867 resp->MessageType = __constant_cpu_to_le32 (REMOTE_NDIS_QUERY_CMPLT);
868 resp->MessageLength = __constant_cpu_to_le32 (24);
869 resp->RequestID = buf->RequestID; /* Still LE in msg buffer */
870
871 if (gen_ndis_query_resp (configNr, cpu_to_le32 (buf->OID), r)) {
872 /* OID not supported */
873 resp->Status = __constant_cpu_to_le32 (
874 RNDIS_STATUS_NOT_SUPPORTED);
875 resp->InformationBufferLength = __constant_cpu_to_le32 (0);
876 resp->InformationBufferOffset = __constant_cpu_to_le32 (0);
877 } else
878 resp->Status = __constant_cpu_to_le32 (RNDIS_STATUS_SUCCESS);
879
880 if (rndis_per_dev_params [configNr].ack)
881 rndis_per_dev_params [configNr].ack (
882 rndis_per_dev_params [configNr].dev);
883 return 0;
884 }
885
886 static int rndis_set_response (int configNr, rndis_set_msg_type *buf)
887 {
888 u32 BufLength, BufOffset;
889 rndis_set_cmplt_type *resp;
890 rndis_resp_t *r;
891
892 r = rndis_add_response (configNr, sizeof (rndis_set_cmplt_type));
893
894 if (!r) return -ENOMEM;
895 resp = (rndis_set_cmplt_type *) r->buf;
896 if (!resp) return -ENOMEM;
897
898 BufLength = cpu_to_le32 (buf->InformationBufferLength);
899 BufOffset = cpu_to_le32 (buf->InformationBufferOffset);
900
901 #ifdef VERBOSE
902 DEBUG("%s: Length: %d\n", __FUNCTION__, BufLength);
903 DEBUG("%s: Offset: %d\n", __FUNCTION__, BufOffset);
904 DEBUG("%s: InfoBuffer: ", __FUNCTION__);
905
906 for (i = 0; i < BufLength; i++) {
907 DEBUG ("%02x ", *(((u8 *) buf) + i + 8 + BufOffset));
908 }
909
910 DEBUG ("\n");
911 #endif
912
913 resp->MessageType = __constant_cpu_to_le32 (REMOTE_NDIS_SET_CMPLT);
914 resp->MessageLength = __constant_cpu_to_le32 (16);
915 resp->RequestID = buf->RequestID; /* Still LE in msg buffer */
916 if (gen_ndis_set_resp (configNr, cpu_to_le32 (buf->OID),
917 ((u8 *) buf) + 8 + BufOffset, BufLength, r))
918 resp->Status = __constant_cpu_to_le32 (RNDIS_STATUS_NOT_SUPPORTED);
919 else resp->Status = __constant_cpu_to_le32 (RNDIS_STATUS_SUCCESS);
920
921 if (rndis_per_dev_params [configNr].ack)
922 rndis_per_dev_params [configNr].ack (
923 rndis_per_dev_params [configNr].dev);
924
925 return 0;
926 }
927
928 static int rndis_reset_response (int configNr, rndis_reset_msg_type *buf)
929 {
930 rndis_reset_cmplt_type *resp;
931 rndis_resp_t *r;
932
933 r = rndis_add_response (configNr, sizeof (rndis_reset_cmplt_type));
934
935 if (!r) return -ENOMEM;
936 resp = (rndis_reset_cmplt_type *) r->buf;
937 if (!resp) return -ENOMEM;
938
939 resp->MessageType = __constant_cpu_to_le32 (REMOTE_NDIS_RESET_CMPLT);
940 resp->MessageLength = __constant_cpu_to_le32 (16);
941 resp->Status = __constant_cpu_to_le32 (RNDIS_STATUS_SUCCESS);
942 /* resent information */
943 resp->AddressingReset = __constant_cpu_to_le32 (1);
944
945 if (rndis_per_dev_params [configNr].ack)
946 rndis_per_dev_params [configNr].ack (
947 rndis_per_dev_params [configNr].dev);
948
949 return 0;
950 }
951
952 static int rndis_keepalive_response (int configNr,
953 rndis_keepalive_msg_type *buf)
954 {
955 rndis_keepalive_cmplt_type *resp;
956 rndis_resp_t *r;
957
958 /* host "should" check only in RNDIS_DATA_INITIALIZED state */
959
960 r = rndis_add_response (configNr, sizeof (rndis_keepalive_cmplt_type));
961 resp = (rndis_keepalive_cmplt_type *) r->buf;
962 if (!resp) return -ENOMEM;
963
964 resp->MessageType = __constant_cpu_to_le32 (
965 REMOTE_NDIS_KEEPALIVE_CMPLT);
966 resp->MessageLength = __constant_cpu_to_le32 (16);
967 resp->RequestID = buf->RequestID; /* Still LE in msg buffer */
968 resp->Status = __constant_cpu_to_le32 (RNDIS_STATUS_SUCCESS);
969
970 if (rndis_per_dev_params [configNr].ack)
971 rndis_per_dev_params [configNr].ack (
972 rndis_per_dev_params [configNr].dev);
973
974 return 0;
975 }
976
977
978 /*
979 * Device to Host Comunication
980 */
981 static int rndis_indicate_status_msg (int configNr, u32 status)
982 {
983 rndis_indicate_status_msg_type *resp;
984 rndis_resp_t *r;
985
986 if (rndis_per_dev_params [configNr].state == RNDIS_UNINITIALIZED)
987 return -ENOTSUPP;
988
989 r = rndis_add_response (configNr,
990 sizeof (rndis_indicate_status_msg_type));
991 if (!r) return -ENOMEM;
992
993 resp = (rndis_indicate_status_msg_type *) r->buf;
994 if (!resp) return -ENOMEM;
995
996 resp->MessageType = __constant_cpu_to_le32 (
997 REMOTE_NDIS_INDICATE_STATUS_MSG);
998 resp->MessageLength = __constant_cpu_to_le32 (20);
999 resp->Status = cpu_to_le32 (status);
1000 resp->StatusBufferLength = __constant_cpu_to_le32 (0);
1001 resp->StatusBufferOffset = __constant_cpu_to_le32 (0);
1002
1003 if (rndis_per_dev_params [configNr].ack)
1004 rndis_per_dev_params [configNr].ack (
1005 rndis_per_dev_params [configNr].dev);
1006 return 0;
1007 }
1008
1009 int rndis_signal_connect (int configNr)
1010 {
1011 rndis_per_dev_params [configNr].media_state
1012 = NDIS_MEDIA_STATE_CONNECTED;
1013 return rndis_indicate_status_msg (configNr,
1014 RNDIS_STATUS_MEDIA_CONNECT);
1015 }
1016
1017 int rndis_signal_disconnect (int configNr)
1018 {
1019 rndis_per_dev_params [configNr].media_state
1020 = NDIS_MEDIA_STATE_DISCONNECTED;
1021 return rndis_indicate_status_msg (configNr,
1022 RNDIS_STATUS_MEDIA_DISCONNECT);
1023 }
1024
1025 void rndis_set_host_mac (int configNr, const u8 *addr)
1026 {
1027 rndis_per_dev_params [configNr].host_mac = addr;
1028 }
1029
1030 /*
1031 * Message Parser
1032 */
1033 int rndis_msg_parser (u8 configNr, u8 *buf)
1034 {
1035 u32 MsgType, MsgLength, *tmp;
1036 struct rndis_params *params;
1037
1038 if (!buf)
1039 return -ENOMEM;
1040
1041 tmp = (u32 *) buf;
1042 MsgType = cpu_to_le32p(tmp++);
1043 MsgLength = cpu_to_le32p(tmp++);
1044
1045 if (configNr >= RNDIS_MAX_CONFIGS)
1046 return -ENOTSUPP;
1047 params = &rndis_per_dev_params [configNr];
1048
1049 /* For USB: responses may take up to 10 seconds */
1050 switch (MsgType)
1051 {
1052 case REMOTE_NDIS_INITIALIZE_MSG:
1053 DEBUG("%s: REMOTE_NDIS_INITIALIZE_MSG\n",
1054 __FUNCTION__ );
1055 params->state = RNDIS_INITIALIZED;
1056 return rndis_init_response (configNr,
1057 (rndis_init_msg_type *) buf);
1058
1059 case REMOTE_NDIS_HALT_MSG:
1060 DEBUG("%s: REMOTE_NDIS_HALT_MSG\n",
1061 __FUNCTION__ );
1062 params->state = RNDIS_UNINITIALIZED;
1063 if (params->dev) {
1064 netif_carrier_off (params->dev);
1065 netif_stop_queue (params->dev);
1066 }
1067 return 0;
1068
1069 case REMOTE_NDIS_QUERY_MSG:
1070 return rndis_query_response (configNr,
1071 (rndis_query_msg_type *) buf);
1072
1073 case REMOTE_NDIS_SET_MSG:
1074 return rndis_set_response (configNr,
1075 (rndis_set_msg_type *) buf);
1076
1077 case REMOTE_NDIS_RESET_MSG:
1078 DEBUG("%s: REMOTE_NDIS_RESET_MSG\n",
1079 __FUNCTION__ );
1080 return rndis_reset_response (configNr,
1081 (rndis_reset_msg_type *) buf);
1082
1083 case REMOTE_NDIS_KEEPALIVE_MSG:
1084 /* For USB: host does this every 5 seconds */
1085 #ifdef VERBOSE
1086 DEBUG("%s: REMOTE_NDIS_KEEPALIVE_MSG\n",
1087 __FUNCTION__ );
1088 #endif
1089 return rndis_keepalive_response (configNr,
1090 (rndis_keepalive_msg_type *)
1091 buf);
1092
1093 default:
1094 /* At least Windows XP emits some undefined RNDIS messages.
1095 * In one case those messages seemed to relate to the host
1096 * suspending itself.
1097 */
1098 printk (KERN_WARNING
1099 "%s: unknown RNDIS message 0x%08X len %d\n",
1100 __FUNCTION__ , MsgType, MsgLength);
1101 {
1102 unsigned i;
1103 for (i = 0; i < MsgLength; i += 16) {
1104 DEBUG ("%03d: "
1105 " %02x %02x %02x %02x"
1106 " %02x %02x %02x %02x"
1107 " %02x %02x %02x %02x"
1108 " %02x %02x %02x %02x"
1109 "\n",
1110 i,
1111 buf[i], buf [i+1],
1112 buf[i+2], buf[i+3],
1113 buf[i+4], buf [i+5],
1114 buf[i+6], buf[i+7],
1115 buf[i+8], buf [i+9],
1116 buf[i+10], buf[i+11],
1117 buf[i+12], buf [i+13],
1118 buf[i+14], buf[i+15]);
1119 }
1120 }
1121 break;
1122 }
1123
1124 return -ENOTSUPP;
1125 }
1126
1127 int rndis_register (int (* rndis_control_ack) (struct net_device *))
1128 {
1129 u8 i;
1130
1131 for (i = 0; i < RNDIS_MAX_CONFIGS; i++) {
1132 if (!rndis_per_dev_params [i].used) {
1133 rndis_per_dev_params [i].used = 1;
1134 rndis_per_dev_params [i].ack = rndis_control_ack;
1135 DEBUG("%s: configNr = %d\n", __FUNCTION__, i);
1136 return i;
1137 }
1138 }
1139 DEBUG("failed\n");
1140
1141 return -1;
1142 }
1143
1144 void rndis_deregister (int configNr)
1145 {
1146 DEBUG("%s: \n", __FUNCTION__ );
1147
1148 if (configNr >= RNDIS_MAX_CONFIGS) return;
1149 rndis_per_dev_params [configNr].used = 0;
1150
1151 return;
1152 }
1153
1154 int rndis_set_param_dev (u8 configNr, struct net_device *dev,
1155 struct net_device_stats *stats)
1156 {
1157 DEBUG("%s:\n", __FUNCTION__ );
1158 if (!dev || !stats) return -1;
1159 if (configNr >= RNDIS_MAX_CONFIGS) return -1;
1160
1161 rndis_per_dev_params [configNr].dev = dev;
1162 rndis_per_dev_params [configNr].stats = stats;
1163
1164 return 0;
1165 }
1166
1167 int rndis_set_param_vendor (u8 configNr, u32 vendorID, const char *vendorDescr)
1168 {
1169 DEBUG("%s:\n", __FUNCTION__ );
1170 if (!vendorDescr) return -1;
1171 if (configNr >= RNDIS_MAX_CONFIGS) return -1;
1172
1173 rndis_per_dev_params [configNr].vendorID = vendorID;
1174 rndis_per_dev_params [configNr].vendorDescr = vendorDescr;
1175
1176 return 0;
1177 }
1178
1179 int rndis_set_param_medium (u8 configNr, u32 medium, u32 speed)
1180 {
1181 DEBUG("%s:\n", __FUNCTION__ );
1182 if (configNr >= RNDIS_MAX_CONFIGS) return -1;
1183
1184 rndis_per_dev_params [configNr].medium = medium;
1185 rndis_per_dev_params [configNr].speed = speed;
1186
1187 return 0;
1188 }
1189
1190 void rndis_add_hdr (struct sk_buff *skb)
1191 {
1192 if (!skb) return;
1193 skb_push (skb, sizeof (struct rndis_packet_msg_type));
1194 memset (skb->data, 0, sizeof (struct rndis_packet_msg_type));
1195 *((u32 *) skb->data) = __constant_cpu_to_le32 (1);
1196 *((u32 *) skb->data + 1) = cpu_to_le32(skb->len);
1197 *((u32 *) skb->data + 2) = __constant_cpu_to_le32 (36);
1198 *((u32 *) skb->data + 3) = cpu_to_le32(skb->len - 44);
1199
1200 return;
1201 }
1202
1203 void rndis_free_response (int configNr, u8 *buf)
1204 {
1205 rndis_resp_t *r;
1206 struct list_head *act, *tmp;
1207
1208 list_for_each_safe (act, tmp,
1209 &(rndis_per_dev_params [configNr].resp_queue))
1210 {
1211 r = list_entry (act, rndis_resp_t, list);
1212 if (r && r->buf == buf) {
1213 list_del (&r->list);
1214 kfree (r);
1215 }
1216 }
1217 }
1218
1219 u8 *rndis_get_next_response (int configNr, u32 *length)
1220 {
1221 rndis_resp_t *r;
1222 struct list_head *act, *tmp;
1223
1224 if (!length) return NULL;
1225
1226 list_for_each_safe (act, tmp,
1227 &(rndis_per_dev_params [configNr].resp_queue))
1228 {
1229 r = list_entry (act, rndis_resp_t, list);
1230 if (!r->send) {
1231 r->send = 1;
1232 *length = r->length;
1233 return r->buf;
1234 }
1235 }
1236
1237 return NULL;
1238 }
1239
1240 static rndis_resp_t *rndis_add_response (int configNr, u32 length)
1241 {
1242 rndis_resp_t *r;
1243
1244 r = kmalloc (sizeof (rndis_resp_t) + length, GFP_ATOMIC);
1245 if (!r) return NULL;
1246
1247 r->buf = (u8 *) (r + 1);
1248 r->length = length;
1249 r->send = 0;
1250
1251 list_add_tail (&r->list,
1252 &(rndis_per_dev_params [configNr].resp_queue));
1253 return r;
1254 }
1255
1256 int rndis_rm_hdr (u8 *buf, u32 *length)
1257 {
1258 u32 i, messageLen, dataOffset, *tmp;
1259
1260 tmp = (u32 *) buf;
1261
1262 if (!buf || !length) return -1;
1263 if (cpu_to_le32p(tmp++) != 1) return -1;
1264
1265 messageLen = cpu_to_le32p(tmp++);
1266 dataOffset = cpu_to_le32p(tmp++) + 8;
1267
1268 if (messageLen < dataOffset || messageLen > *length) return -1;
1269
1270 for (i = dataOffset; i < messageLen; i++)
1271 buf [i - dataOffset] = buf [i];
1272
1273 *length = messageLen - dataOffset;
1274
1275 return 0;
1276 }
1277
1278 int rndis_proc_read (char *page, char **start, off_t off, int count, int *eof,
1279 void *data)
1280 {
1281 char *out = page;
1282 int len;
1283 rndis_params *param = (rndis_params *) data;
1284
1285 out += snprintf (out, count,
1286 "Config Nr. %d\n"
1287 "used : %s\n"
1288 "state : %s\n"
1289 "medium : 0x%08X\n"
1290 "speed : %d\n"
1291 "cable : %s\n"
1292 "vendor ID : 0x%08X\n"
1293 "vendor : %s\n",
1294 param->confignr, (param->used) ? "y" : "n",
1295 ({ char *s = "?";
1296 switch (param->state) {
1297 case RNDIS_UNINITIALIZED:
1298 s = "RNDIS_UNINITIALIZED"; break;
1299 case RNDIS_INITIALIZED:
1300 s = "RNDIS_INITIALIZED"; break;
1301 case RNDIS_DATA_INITIALIZED:
1302 s = "RNDIS_DATA_INITIALIZED"; break;
1303 }; s; }),
1304 param->medium,
1305 (param->media_state) ? 0 : param->speed*100,
1306 (param->media_state) ? "disconnected" : "connected",
1307 param->vendorID, param->vendorDescr);
1308
1309 len = out - page;
1310 len -= off;
1311
1312 if (len < count) {
1313 *eof = 1;
1314 if (len <= 0)
1315 return 0;
1316 } else
1317 len = count;
1318
1319 *start = page + off;
1320 return len;
1321 }
1322
1323 int rndis_proc_write (struct file *file, const char __user *buffer,
1324 unsigned long count, void *data)
1325 {
1326 rndis_params *p = data;
1327 u32 speed = 0;
1328 int i, fl_speed = 0;
1329
1330 for (i = 0; i < count; i++) {
1331 char c;
1332 if (get_user(c, buffer))
1333 return -EFAULT;
1334 switch (c) {
1335 case '0':
1336 case '1':
1337 case '2':
1338 case '3':
1339 case '4':
1340 case '5':
1341 case '6':
1342 case '7':
1343 case '8':
1344 case '9':
1345 fl_speed = 1;
1346 speed = speed*10 + c - '0';
1347 break;
1348 case 'C':
1349 case 'c':
1350 rndis_signal_connect (p->confignr);
1351 break;
1352 case 'D':
1353 case 'd':
1354 rndis_signal_disconnect(p->confignr);
1355 break;
1356 default:
1357 if (fl_speed) p->speed = speed;
1358 else DEBUG ("%c is not valid\n", c);
1359 break;
1360 }
1361
1362 buffer++;
1363 }
1364
1365 return count;
1366 }
1367
1368 int __init rndis_init (void)
1369 {
1370 u8 i;
1371 char name [4];
1372
1373 /* FIXME this should probably be /proc/driver/rndis,
1374 * and only if debugging is enabled
1375 */
1376
1377 if (!(rndis_connect_dir = proc_mkdir ("rndis", NULL))) {
1378 printk (KERN_ERR "%s: couldn't create /proc/rndis entry",
1379 __FUNCTION__);
1380 return -EIO;
1381 }
1382
1383 for (i = 0; i < RNDIS_MAX_CONFIGS; i++) {
1384 sprintf (name, "%03d", i);
1385 if (!(rndis_connect_state [i]
1386 = create_proc_entry (name, 0660,
1387 rndis_connect_dir)))
1388 {
1389 DEBUG ("%s :remove entries", __FUNCTION__);
1390 for (i--; i > 0; i--) {
1391 sprintf (name, "%03d", i);
1392 remove_proc_entry (name, rndis_connect_dir);
1393 }
1394 DEBUG ("\n");
1395
1396 remove_proc_entry ("000", rndis_connect_dir);
1397 remove_proc_entry ("rndis", NULL);
1398 return -EIO;
1399 }
1400 rndis_connect_state [i]->nlink = 1;
1401 rndis_connect_state [i]->write_proc = rndis_proc_write;
1402 rndis_connect_state [i]->read_proc = rndis_proc_read;
1403 rndis_connect_state [i]->data = (void *)
1404 (rndis_per_dev_params + i);
1405 rndis_per_dev_params [i].confignr = i;
1406 rndis_per_dev_params [i].used = 0;
1407 rndis_per_dev_params [i].state = RNDIS_UNINITIALIZED;
1408 rndis_per_dev_params [i].media_state
1409 = NDIS_MEDIA_STATE_DISCONNECTED;
1410 INIT_LIST_HEAD (&(rndis_per_dev_params [i].resp_queue));
1411 }
1412
1413 return 0;
1414 }
1415
1416 void rndis_exit (void)
1417 {
1418 u8 i;
1419 char name [4];
1420
1421 for (i = 0; i < RNDIS_MAX_CONFIGS; i++) {
1422 sprintf (name, "%03d", i);
1423 remove_proc_entry (name, rndis_connect_dir);
1424 }
1425 remove_proc_entry ("rndis", NULL);
1426 return;
1427 }
1428
MOXA 2.6.9 from sdlinux-moxaart.tgz