1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22#include <common.h>
23#include <net.h>
24#include <malloc.h>
25#include <linux/types.h>
26#include <linux/list.h>
27#include <linux/netdevice.h>
28
29#include <asm/byteorder.h>
30#include <asm/unaligned.h>
31#include <linux/errno.h>
32
33#undef RNDIS_PM
34#undef RNDIS_WAKEUP
35#undef VERBOSE
36
37#include "rndis.h"
38
39#define ETH_ALEN 6
40#define ETH_HLEN 14
41#define ETH_ZLEN 60
42#define ETH_DATA_LEN 1500
43#define ETH_FRAME_LEN PKTSIZE_ALIGN
44
45
46
47
48
49
50
51
52
53#define RNDIS_MAX_CONFIGS 1
54
55static rndis_params rndis_per_dev_params[RNDIS_MAX_CONFIGS];
56
57
58static const __le32 rndis_driver_version = __constant_cpu_to_le32(1);
59
60
61static rndis_resp_t *rndis_add_response(int configNr, u32 length);
62
63
64
65static const u32 oid_supported_list[] = {
66
67 OID_GEN_SUPPORTED_LIST,
68 OID_GEN_HARDWARE_STATUS,
69 OID_GEN_MEDIA_SUPPORTED,
70 OID_GEN_MEDIA_IN_USE,
71 OID_GEN_MAXIMUM_FRAME_SIZE,
72 OID_GEN_LINK_SPEED,
73 OID_GEN_TRANSMIT_BLOCK_SIZE,
74 OID_GEN_RECEIVE_BLOCK_SIZE,
75 OID_GEN_VENDOR_ID,
76 OID_GEN_VENDOR_DESCRIPTION,
77 OID_GEN_VENDOR_DRIVER_VERSION,
78 OID_GEN_CURRENT_PACKET_FILTER,
79 OID_GEN_MAXIMUM_TOTAL_SIZE,
80 OID_GEN_MEDIA_CONNECT_STATUS,
81 OID_GEN_PHYSICAL_MEDIUM,
82#if 0
83 OID_GEN_RNDIS_CONFIG_PARAMETER,
84#endif
85
86
87 OID_GEN_XMIT_OK,
88 OID_GEN_RCV_OK,
89 OID_GEN_XMIT_ERROR,
90 OID_GEN_RCV_ERROR,
91 OID_GEN_RCV_NO_BUFFER,
92#ifdef RNDIS_OPTIONAL_STATS
93 OID_GEN_DIRECTED_BYTES_XMIT,
94 OID_GEN_DIRECTED_FRAMES_XMIT,
95 OID_GEN_MULTICAST_BYTES_XMIT,
96 OID_GEN_MULTICAST_FRAMES_XMIT,
97 OID_GEN_BROADCAST_BYTES_XMIT,
98 OID_GEN_BROADCAST_FRAMES_XMIT,
99 OID_GEN_DIRECTED_BYTES_RCV,
100 OID_GEN_DIRECTED_FRAMES_RCV,
101 OID_GEN_MULTICAST_BYTES_RCV,
102 OID_GEN_MULTICAST_FRAMES_RCV,
103 OID_GEN_BROADCAST_BYTES_RCV,
104 OID_GEN_BROADCAST_FRAMES_RCV,
105 OID_GEN_RCV_CRC_ERROR,
106 OID_GEN_TRANSMIT_QUEUE_LENGTH,
107#endif
108
109
110
111 OID_802_3_PERMANENT_ADDRESS,
112 OID_802_3_CURRENT_ADDRESS,
113 OID_802_3_MULTICAST_LIST,
114 OID_802_3_MAC_OPTIONS,
115 OID_802_3_MAXIMUM_LIST_SIZE,
116
117
118 OID_802_3_RCV_ERROR_ALIGNMENT,
119 OID_802_3_XMIT_ONE_COLLISION,
120 OID_802_3_XMIT_MORE_COLLISIONS,
121#ifdef RNDIS_OPTIONAL_STATS
122 OID_802_3_XMIT_DEFERRED,
123 OID_802_3_XMIT_MAX_COLLISIONS,
124 OID_802_3_RCV_OVERRUN,
125 OID_802_3_XMIT_UNDERRUN,
126 OID_802_3_XMIT_HEARTBEAT_FAILURE,
127 OID_802_3_XMIT_TIMES_CRS_LOST,
128 OID_802_3_XMIT_LATE_COLLISIONS,
129#endif
130
131#ifdef RNDIS_PM
132
133
134
135 OID_PNP_CAPABILITIES,
136 OID_PNP_QUERY_POWER,
137 OID_PNP_SET_POWER,
138
139#ifdef RNDIS_WAKEUP
140
141 OID_PNP_ENABLE_WAKE_UP,
142 OID_PNP_ADD_WAKE_UP_PATTERN,
143 OID_PNP_REMOVE_WAKE_UP_PATTERN,
144#endif
145#endif
146};
147
148
149
150static int gen_ndis_query_resp(int configNr, u32 OID, u8 *buf,
151 unsigned buf_len, rndis_resp_t *r)
152{
153 int retval = -ENOTSUPP;
154 u32 length = 4;
155 __le32 *outbuf;
156 int i, count;
157 rndis_query_cmplt_type *resp;
158 rndis_params *params;
159
160 if (!r)
161 return -ENOMEM;
162 resp = (rndis_query_cmplt_type *) r->buf;
163
164 if (!resp)
165 return -ENOMEM;
166
167#if defined(DEBUG) && defined(DEBUG_VERBOSE)
168 if (buf_len) {
169 debug("query OID %08x value, len %d:\n", OID, buf_len);
170 for (i = 0; i < buf_len; i += 16) {
171 debug("%03d: %08x %08x %08x %08x\n", i,
172 get_unaligned_le32(&buf[i]),
173 get_unaligned_le32(&buf[i + 4]),
174 get_unaligned_le32(&buf[i + 8]),
175 get_unaligned_le32(&buf[i + 12]));
176 }
177 }
178#endif
179
180
181 outbuf = (__le32 *) &resp[1];
182 resp->InformationBufferOffset = __constant_cpu_to_le32(16);
183
184 params = &rndis_per_dev_params[configNr];
185 switch (OID) {
186
187
188
189
190 case OID_GEN_SUPPORTED_LIST:
191 debug("%s: OID_GEN_SUPPORTED_LIST\n", __func__);
192 length = sizeof(oid_supported_list);
193 count = length / sizeof(u32);
194 for (i = 0; i < count; i++)
195 outbuf[i] = cpu_to_le32(oid_supported_list[i]);
196 retval = 0;
197 break;
198
199
200 case OID_GEN_HARDWARE_STATUS:
201 debug("%s: OID_GEN_HARDWARE_STATUS\n", __func__);
202
203
204
205
206
207
208
209 *outbuf = __constant_cpu_to_le32(0);
210 retval = 0;
211 break;
212
213
214 case OID_GEN_MEDIA_SUPPORTED:
215 debug("%s: OID_GEN_MEDIA_SUPPORTED\n", __func__);
216 *outbuf = cpu_to_le32(params->medium);
217 retval = 0;
218 break;
219
220
221 case OID_GEN_MEDIA_IN_USE:
222 debug("%s: OID_GEN_MEDIA_IN_USE\n", __func__);
223
224 *outbuf = cpu_to_le32(params->medium);
225 retval = 0;
226 break;
227
228
229 case OID_GEN_MAXIMUM_FRAME_SIZE:
230 debug("%s: OID_GEN_MAXIMUM_FRAME_SIZE\n", __func__);
231 if (params->dev) {
232 *outbuf = cpu_to_le32(params->mtu);
233 retval = 0;
234 }
235 break;
236
237
238 case OID_GEN_LINK_SPEED:
239#if defined(DEBUG) && defined(DEBUG_VERBOSE)
240 debug("%s: OID_GEN_LINK_SPEED\n", __func__);
241#endif
242 if (params->media_state == NDIS_MEDIA_STATE_DISCONNECTED)
243 *outbuf = __constant_cpu_to_le32(0);
244 else
245 *outbuf = cpu_to_le32(params->speed);
246 retval = 0;
247 break;
248
249
250 case OID_GEN_TRANSMIT_BLOCK_SIZE:
251 debug("%s: OID_GEN_TRANSMIT_BLOCK_SIZE\n", __func__);
252 if (params->dev) {
253 *outbuf = cpu_to_le32(params->mtu);
254 retval = 0;
255 }
256 break;
257
258
259 case OID_GEN_RECEIVE_BLOCK_SIZE:
260 debug("%s: OID_GEN_RECEIVE_BLOCK_SIZE\n", __func__);
261 if (params->dev) {
262 *outbuf = cpu_to_le32(params->mtu);
263 retval = 0;
264 }
265 break;
266
267
268 case OID_GEN_VENDOR_ID:
269 debug("%s: OID_GEN_VENDOR_ID\n", __func__);
270 *outbuf = cpu_to_le32(params->vendorID);
271 retval = 0;
272 break;
273
274
275 case OID_GEN_VENDOR_DESCRIPTION:
276 debug("%s: OID_GEN_VENDOR_DESCRIPTION\n", __func__);
277 length = strlen(params->vendorDescr);
278 memcpy(outbuf, params->vendorDescr, length);
279 retval = 0;
280 break;
281
282 case OID_GEN_VENDOR_DRIVER_VERSION:
283 debug("%s: OID_GEN_VENDOR_DRIVER_VERSION\n", __func__);
284
285 *outbuf = rndis_driver_version;
286 retval = 0;
287 break;
288
289
290 case OID_GEN_CURRENT_PACKET_FILTER:
291 debug("%s: OID_GEN_CURRENT_PACKET_FILTER\n", __func__);
292 *outbuf = cpu_to_le32(*params->filter);
293 retval = 0;
294 break;
295
296
297 case OID_GEN_MAXIMUM_TOTAL_SIZE:
298 debug("%s: OID_GEN_MAXIMUM_TOTAL_SIZE\n", __func__);
299 *outbuf = __constant_cpu_to_le32(RNDIS_MAX_TOTAL_SIZE);
300 retval = 0;
301 break;
302
303
304 case OID_GEN_MEDIA_CONNECT_STATUS:
305#if defined(DEBUG) && defined(DEBUG_VERBOSE)
306 debug("%s: OID_GEN_MEDIA_CONNECT_STATUS\n", __func__);
307#endif
308 *outbuf = cpu_to_le32(params->media_state);
309 retval = 0;
310 break;
311
312 case OID_GEN_PHYSICAL_MEDIUM:
313 debug("%s: OID_GEN_PHYSICAL_MEDIUM\n", __func__);
314 *outbuf = __constant_cpu_to_le32(0);
315 retval = 0;
316 break;
317
318
319
320
321
322
323 case OID_GEN_MAC_OPTIONS:
324 debug("%s: OID_GEN_MAC_OPTIONS\n", __func__);
325 *outbuf = __constant_cpu_to_le32(
326 NDIS_MAC_OPTION_RECEIVE_SERIALIZED
327 | NDIS_MAC_OPTION_FULL_DUPLEX);
328 retval = 0;
329 break;
330
331
332
333
334 case OID_GEN_XMIT_OK:
335#if defined(DEBUG) && defined(DEBUG_VERBOSE)
336 debug("%s: OID_GEN_XMIT_OK\n", __func__);
337#endif
338 if (params->stats) {
339 *outbuf = cpu_to_le32(
340 params->stats->tx_packets -
341 params->stats->tx_errors -
342 params->stats->tx_dropped);
343 retval = 0;
344 }
345 break;
346
347
348 case OID_GEN_RCV_OK:
349#if defined(DEBUG) && defined(DEBUG_VERBOSE)
350 debug("%s: OID_GEN_RCV_OK\n", __func__);
351#endif
352 if (params->stats) {
353 *outbuf = cpu_to_le32(
354 params->stats->rx_packets -
355 params->stats->rx_errors -
356 params->stats->rx_dropped);
357 retval = 0;
358 }
359 break;
360
361
362 case OID_GEN_XMIT_ERROR:
363#if defined(DEBUG) && defined(DEBUG_VERBOSE)
364 debug("%s: OID_GEN_XMIT_ERROR\n", __func__);
365#endif
366 if (params->stats) {
367 *outbuf = cpu_to_le32(params->stats->tx_errors);
368 retval = 0;
369 }
370 break;
371
372
373 case OID_GEN_RCV_ERROR:
374#if defined(DEBUG) && defined(DEBUG_VERBOSE)
375 debug("%s: OID_GEN_RCV_ERROR\n", __func__);
376#endif
377 if (params->stats) {
378 *outbuf = cpu_to_le32(params->stats->rx_errors);
379 retval = 0;
380 }
381 break;
382
383
384 case OID_GEN_RCV_NO_BUFFER:
385 debug("%s: OID_GEN_RCV_NO_BUFFER\n", __func__);
386 if (params->stats) {
387 *outbuf = cpu_to_le32(params->stats->rx_dropped);
388 retval = 0;
389 }
390 break;
391
392#ifdef RNDIS_OPTIONAL_STATS
393 case OID_GEN_DIRECTED_BYTES_XMIT:
394 debug("%s: OID_GEN_DIRECTED_BYTES_XMIT\n", __func__);
395
396
397
398
399
400 if (params->stats) {
401 *outbuf = cpu_to_le32(
402 (params->stats->tx_packets -
403 params->stats->tx_errors -
404 params->stats->tx_dropped)
405 * 123);
406 retval = 0;
407 }
408 break;
409
410 case OID_GEN_DIRECTED_FRAMES_XMIT:
411 debug("%s: OID_GEN_DIRECTED_FRAMES_XMIT\n", __func__);
412
413 if (params->stats) {
414 *outbuf = cpu_to_le32(
415 (params->stats->tx_packets -
416 params->stats->tx_errors -
417 params->stats->tx_dropped)
418 / 123);
419 retval = 0;
420 }
421 break;
422
423 case OID_GEN_MULTICAST_BYTES_XMIT:
424 debug("%s: OID_GEN_MULTICAST_BYTES_XMIT\n", __func__);
425 if (params->stats) {
426 *outbuf = cpu_to_le32(params->stats->multicast * 1234);
427 retval = 0;
428 }
429 break;
430
431 case OID_GEN_MULTICAST_FRAMES_XMIT:
432 debug("%s: OID_GEN_MULTICAST_FRAMES_XMIT\n", __func__);
433 if (params->stats) {
434 *outbuf = cpu_to_le32(params->stats->multicast);
435 retval = 0;
436 }
437 break;
438
439 case OID_GEN_BROADCAST_BYTES_XMIT:
440 debug("%s: OID_GEN_BROADCAST_BYTES_XMIT\n", __func__);
441 if (params->stats) {
442 *outbuf = cpu_to_le32(params->stats->tx_packets/42*255);
443 retval = 0;
444 }
445 break;
446
447 case OID_GEN_BROADCAST_FRAMES_XMIT:
448 debug("%s: OID_GEN_BROADCAST_FRAMES_XMIT\n", __func__);
449 if (params->stats) {
450 *outbuf = cpu_to_le32(params->stats->tx_packets / 42);
451 retval = 0;
452 }
453 break;
454
455 case OID_GEN_DIRECTED_BYTES_RCV:
456 debug("%s: OID_GEN_DIRECTED_BYTES_RCV\n", __func__);
457 *outbuf = __constant_cpu_to_le32(0);
458 retval = 0;
459 break;
460
461 case OID_GEN_DIRECTED_FRAMES_RCV:
462 debug("%s: OID_GEN_DIRECTED_FRAMES_RCV\n", __func__);
463 *outbuf = __constant_cpu_to_le32(0);
464 retval = 0;
465 break;
466
467 case OID_GEN_MULTICAST_BYTES_RCV:
468 debug("%s: OID_GEN_MULTICAST_BYTES_RCV\n", __func__);
469 if (params->stats) {
470 *outbuf = cpu_to_le32(params->stats->multicast * 1111);
471 retval = 0;
472 }
473 break;
474
475 case OID_GEN_MULTICAST_FRAMES_RCV:
476 debug("%s: OID_GEN_MULTICAST_FRAMES_RCV\n", __func__);
477 if (params->stats) {
478 *outbuf = cpu_to_le32(params->stats->multicast);
479 retval = 0;
480 }
481 break;
482
483 case OID_GEN_BROADCAST_BYTES_RCV:
484 debug("%s: OID_GEN_BROADCAST_BYTES_RCV\n", __func__);
485 if (params->stats) {
486 *outbuf = cpu_to_le32(params->stats->rx_packets/42*255);
487 retval = 0;
488 }
489 break;
490
491 case OID_GEN_BROADCAST_FRAMES_RCV:
492 debug("%s: OID_GEN_BROADCAST_FRAMES_RCV\n", __func__);
493 if (params->stats) {
494 *outbuf = cpu_to_le32(params->stats->rx_packets / 42);
495 retval = 0;
496 }
497 break;
498
499 case OID_GEN_RCV_CRC_ERROR:
500 debug("%s: OID_GEN_RCV_CRC_ERROR\n", __func__);
501 if (params->stats) {
502 *outbuf = cpu_to_le32(params->stats->rx_crc_errors);
503 retval = 0;
504 }
505 break;
506
507 case OID_GEN_TRANSMIT_QUEUE_LENGTH:
508 debug("%s: OID_GEN_TRANSMIT_QUEUE_LENGTH\n", __func__);
509 *outbuf = __constant_cpu_to_le32(0);
510 retval = 0;
511 break;
512#endif
513
514
515
516
517 case OID_802_3_PERMANENT_ADDRESS:
518 debug("%s: OID_802_3_PERMANENT_ADDRESS\n", __func__);
519 if (params->dev) {
520 length = ETH_ALEN;
521 memcpy(outbuf, params->host_mac, length);
522 retval = 0;
523 }
524 break;
525
526
527 case OID_802_3_CURRENT_ADDRESS:
528 debug("%s: OID_802_3_CURRENT_ADDRESS\n", __func__);
529 if (params->dev) {
530 length = ETH_ALEN;
531 memcpy(outbuf, params->host_mac, length);
532 retval = 0;
533 }
534 break;
535
536
537 case OID_802_3_MULTICAST_LIST:
538 debug("%s: OID_802_3_MULTICAST_LIST\n", __func__);
539
540 *outbuf = __constant_cpu_to_le32(0xE0000000);
541 retval = 0;
542 break;
543
544
545 case OID_802_3_MAXIMUM_LIST_SIZE:
546 debug("%s: OID_802_3_MAXIMUM_LIST_SIZE\n", __func__);
547
548 *outbuf = __constant_cpu_to_le32(1);
549 retval = 0;
550 break;
551
552 case OID_802_3_MAC_OPTIONS:
553 debug("%s: OID_802_3_MAC_OPTIONS\n", __func__);
554 break;
555
556
557
558
559 case OID_802_3_RCV_ERROR_ALIGNMENT:
560 debug("%s: OID_802_3_RCV_ERROR_ALIGNMENT\n", __func__);
561 if (params->stats) {
562 *outbuf = cpu_to_le32(params->stats->rx_frame_errors);
563 retval = 0;
564 }
565 break;
566
567
568 case OID_802_3_XMIT_ONE_COLLISION:
569 debug("%s: OID_802_3_XMIT_ONE_COLLISION\n", __func__);
570 *outbuf = __constant_cpu_to_le32(0);
571 retval = 0;
572 break;
573
574
575 case OID_802_3_XMIT_MORE_COLLISIONS:
576 debug("%s: OID_802_3_XMIT_MORE_COLLISIONS\n", __func__);
577 *outbuf = __constant_cpu_to_le32(0);
578 retval = 0;
579 break;
580
581#ifdef RNDIS_OPTIONAL_STATS
582 case OID_802_3_XMIT_DEFERRED:
583 debug("%s: OID_802_3_XMIT_DEFERRED\n", __func__);
584
585 break;
586
587 case OID_802_3_XMIT_MAX_COLLISIONS:
588 debug("%s: OID_802_3_XMIT_MAX_COLLISIONS\n", __func__);
589
590 break;
591
592 case OID_802_3_RCV_OVERRUN:
593 debug("%s: OID_802_3_RCV_OVERRUN\n", __func__);
594
595 break;
596
597 case OID_802_3_XMIT_UNDERRUN:
598 debug("%s: OID_802_3_XMIT_UNDERRUN\n", __func__);
599
600 break;
601
602 case OID_802_3_XMIT_HEARTBEAT_FAILURE:
603 debug("%s: OID_802_3_XMIT_HEARTBEAT_FAILURE\n", __func__);
604
605 break;
606
607 case OID_802_3_XMIT_TIMES_CRS_LOST:
608 debug("%s: OID_802_3_XMIT_TIMES_CRS_LOST\n", __func__);
609
610 break;
611
612 case OID_802_3_XMIT_LATE_COLLISIONS:
613 debug("%s: OID_802_3_XMIT_LATE_COLLISIONS\n", __func__);
614
615 break;
616#endif
617
618#ifdef RNDIS_PM
619
620 case OID_PNP_CAPABILITIES:
621 debug("%s: OID_PNP_CAPABILITIES\n", __func__);
622
623
624 length = sizeof(struct NDIS_PNP_CAPABILITIES);
625 memset(outbuf, 0, length);
626 retval = 0;
627 break;
628 case OID_PNP_QUERY_POWER:
629 debug("%s: OID_PNP_QUERY_POWER D%d\n", __func__,
630 get_unaligned_le32(buf) - 1);
631
632
633
634
635 length = 0;
636 retval = 0;
637 break;
638#endif
639
640 default:
641 debug("%s: query unknown OID 0x%08X\n", __func__, OID);
642 }
643 if (retval < 0)
644 length = 0;
645
646 resp->InformationBufferLength = cpu_to_le32(length);
647 r->length = length + sizeof *resp;
648 resp->MessageLength = cpu_to_le32(r->length);
649 return retval;
650}
651
652static int gen_ndis_set_resp(u8 configNr, u32 OID, u8 *buf, u32 buf_len,
653 rndis_resp_t *r)
654{
655 rndis_set_cmplt_type *resp;
656 int retval = -ENOTSUPP;
657 struct rndis_params *params;
658#if (defined(DEBUG) && defined(DEBUG_VERBOSE)) || defined(RNDIS_PM)
659 int i;
660#endif
661
662 if (!r)
663 return -ENOMEM;
664 resp = (rndis_set_cmplt_type *) r->buf;
665 if (!resp)
666 return -ENOMEM;
667
668#if defined(DEBUG) && defined(DEBUG_VERBOSE)
669 if (buf_len) {
670 debug("set OID %08x value, len %d:\n", OID, buf_len);
671 for (i = 0; i < buf_len; i += 16) {
672 debug("%03d: %08x %08x %08x %08x\n", i,
673 get_unaligned_le32(&buf[i]),
674 get_unaligned_le32(&buf[i + 4]),
675 get_unaligned_le32(&buf[i + 8]),
676 get_unaligned_le32(&buf[i + 12]));
677 }
678 }
679#endif
680
681 params = &rndis_per_dev_params[configNr];
682 switch (OID) {
683 case OID_GEN_CURRENT_PACKET_FILTER:
684
685
686
687
688
689
690
691
692 *params->filter = (u16) get_unaligned_le32(buf);
693 debug("%s: OID_GEN_CURRENT_PACKET_FILTER %08x\n",
694 __func__, *params->filter);
695
696
697
698
699
700
701#ifdef RNDIS_PM
702update_linkstate:
703#endif
704 retval = 0;
705 if (*params->filter)
706 params->state = RNDIS_DATA_INITIALIZED;
707 else
708 params->state = RNDIS_INITIALIZED;
709 break;
710
711 case OID_802_3_MULTICAST_LIST:
712
713 debug("%s: OID_802_3_MULTICAST_LIST\n", __func__);
714 retval = 0;
715 break;
716#if 0
717 case OID_GEN_RNDIS_CONFIG_PARAMETER:
718 {
719 struct rndis_config_parameter *param;
720 param = (struct rndis_config_parameter *) buf;
721 debug("%s: OID_GEN_RNDIS_CONFIG_PARAMETER '%*s'\n",
722 __func__,
723 min(cpu_to_le32(param->ParameterNameLength), 80),
724 buf + param->ParameterNameOffset);
725 retval = 0;
726 }
727 break;
728#endif
729
730#ifdef RNDIS_PM
731 case OID_PNP_SET_POWER:
732
733
734
735
736
737
738 i = get_unaligned_le32(buf);
739 debug("%s: OID_PNP_SET_POWER D%d\n", __func__, i - 1);
740 switch (i) {
741 case NdisDeviceStateD0:
742 *params->filter = params->saved_filter;
743 goto update_linkstate;
744 case NdisDeviceStateD3:
745 case NdisDeviceStateD2:
746 case NdisDeviceStateD1:
747 params->saved_filter = *params->filter;
748 retval = 0;
749 break;
750 }
751 break;
752
753#ifdef RNDIS_WAKEUP
754
755
756
757
758
759#endif
760
761#endif
762
763 default:
764 debug("%s: set unknown OID 0x%08X, size %d\n",
765 __func__, OID, buf_len);
766 }
767
768 return retval;
769}
770
771
772
773
774
775static int rndis_init_response(int configNr, rndis_init_msg_type *buf)
776{
777 rndis_init_cmplt_type *resp;
778 rndis_resp_t *r;
779
780 if (!rndis_per_dev_params[configNr].dev)
781 return -ENOTSUPP;
782
783 r = rndis_add_response(configNr, sizeof(rndis_init_cmplt_type));
784 if (!r)
785 return -ENOMEM;
786 resp = (rndis_init_cmplt_type *) r->buf;
787
788 resp->MessageType = __constant_cpu_to_le32(
789 REMOTE_NDIS_INITIALIZE_CMPLT);
790 resp->MessageLength = __constant_cpu_to_le32(52);
791 resp->RequestID = get_unaligned(&buf->RequestID);
792 resp->Status = __constant_cpu_to_le32(RNDIS_STATUS_SUCCESS);
793 resp->MajorVersion = __constant_cpu_to_le32(RNDIS_MAJOR_VERSION);
794 resp->MinorVersion = __constant_cpu_to_le32(RNDIS_MINOR_VERSION);
795 resp->DeviceFlags = __constant_cpu_to_le32(RNDIS_DF_CONNECTIONLESS);
796 resp->Medium = __constant_cpu_to_le32(RNDIS_MEDIUM_802_3);
797 resp->MaxPacketsPerTransfer = __constant_cpu_to_le32(1);
798 resp->MaxTransferSize = cpu_to_le32(
799 rndis_per_dev_params[configNr].mtu
800 + ETHER_HDR_SIZE
801 + sizeof(struct rndis_packet_msg_type)
802 + 22);
803 resp->PacketAlignmentFactor = __constant_cpu_to_le32(0);
804 resp->AFListOffset = __constant_cpu_to_le32(0);
805 resp->AFListSize = __constant_cpu_to_le32(0);
806
807 if (rndis_per_dev_params[configNr].ack)
808 rndis_per_dev_params[configNr].ack(
809 rndis_per_dev_params[configNr].dev);
810
811 return 0;
812}
813
814static int rndis_query_response(int configNr, rndis_query_msg_type *buf)
815{
816 rndis_query_cmplt_type *resp;
817 rndis_resp_t *r;
818
819 debug("%s: OID = %08X\n", __func__, get_unaligned_le32(&buf->OID));
820 if (!rndis_per_dev_params[configNr].dev)
821 return -ENOTSUPP;
822
823
824
825
826
827
828
829 r = rndis_add_response(configNr,
830 sizeof(oid_supported_list) + sizeof(rndis_query_cmplt_type));
831 if (!r)
832 return -ENOMEM;
833 resp = (rndis_query_cmplt_type *) r->buf;
834
835 resp->MessageType = __constant_cpu_to_le32(REMOTE_NDIS_QUERY_CMPLT);
836 resp->RequestID = get_unaligned(&buf->RequestID);
837
838 if (gen_ndis_query_resp(configNr, get_unaligned_le32(&buf->OID),
839 get_unaligned_le32(&buf->InformationBufferOffset)
840 + 8 + (u8 *) buf,
841 get_unaligned_le32(&buf->InformationBufferLength),
842 r)) {
843
844 resp->Status = __constant_cpu_to_le32(
845 RNDIS_STATUS_NOT_SUPPORTED);
846 resp->MessageLength = __constant_cpu_to_le32(sizeof *resp);
847 resp->InformationBufferLength = __constant_cpu_to_le32(0);
848 resp->InformationBufferOffset = __constant_cpu_to_le32(0);
849 } else
850 resp->Status = __constant_cpu_to_le32(RNDIS_STATUS_SUCCESS);
851
852 if (rndis_per_dev_params[configNr].ack)
853 rndis_per_dev_params[configNr].ack(
854 rndis_per_dev_params[configNr].dev);
855 return 0;
856}
857
858static int rndis_set_response(int configNr, rndis_set_msg_type *buf)
859{
860 u32 BufLength, BufOffset;
861 rndis_set_cmplt_type *resp;
862 rndis_resp_t *r;
863
864 r = rndis_add_response(configNr, sizeof(rndis_set_cmplt_type));
865 if (!r)
866 return -ENOMEM;
867 resp = (rndis_set_cmplt_type *) r->buf;
868
869 BufLength = get_unaligned_le32(&buf->InformationBufferLength);
870 BufOffset = get_unaligned_le32(&buf->InformationBufferOffset);
871
872#ifdef VERBOSE
873 debug("%s: Length: %d\n", __func__, BufLength);
874 debug("%s: Offset: %d\n", __func__, BufOffset);
875 debug("%s: InfoBuffer: ", __func__);
876
877 for (i = 0; i < BufLength; i++)
878 debug("%02x ", *(((u8 *) buf) + i + 8 + BufOffset));
879
880 debug("\n");
881#endif
882
883 resp->MessageType = __constant_cpu_to_le32(REMOTE_NDIS_SET_CMPLT);
884 resp->MessageLength = __constant_cpu_to_le32(16);
885 resp->RequestID = get_unaligned(&buf->RequestID);
886 if (gen_ndis_set_resp(configNr, get_unaligned_le32(&buf->OID),
887 ((u8 *) buf) + 8 + BufOffset, BufLength, r))
888 resp->Status = __constant_cpu_to_le32(
889 RNDIS_STATUS_NOT_SUPPORTED);
890 else
891 resp->Status = __constant_cpu_to_le32(RNDIS_STATUS_SUCCESS);
892
893 if (rndis_per_dev_params[configNr].ack)
894 rndis_per_dev_params[configNr].ack(
895 rndis_per_dev_params[configNr].dev);
896
897 return 0;
898}
899
900static int rndis_reset_response(int configNr, rndis_reset_msg_type *buf)
901{
902 rndis_reset_cmplt_type *resp;
903 rndis_resp_t *r;
904
905 r = rndis_add_response(configNr, sizeof(rndis_reset_cmplt_type));
906 if (!r)
907 return -ENOMEM;
908 resp = (rndis_reset_cmplt_type *) r->buf;
909
910 resp->MessageType = __constant_cpu_to_le32(REMOTE_NDIS_RESET_CMPLT);
911 resp->MessageLength = __constant_cpu_to_le32(16);
912 resp->Status = __constant_cpu_to_le32(RNDIS_STATUS_SUCCESS);
913
914 resp->AddressingReset = __constant_cpu_to_le32(1);
915
916 if (rndis_per_dev_params[configNr].ack)
917 rndis_per_dev_params[configNr].ack(
918 rndis_per_dev_params[configNr].dev);
919
920 return 0;
921}
922
923static int rndis_keepalive_response(int configNr,
924 rndis_keepalive_msg_type *buf)
925{
926 rndis_keepalive_cmplt_type *resp;
927 rndis_resp_t *r;
928
929
930
931 r = rndis_add_response(configNr, sizeof(rndis_keepalive_cmplt_type));
932 if (!r)
933 return -ENOMEM;
934 resp = (rndis_keepalive_cmplt_type *) r->buf;
935
936 resp->MessageType = __constant_cpu_to_le32(
937 REMOTE_NDIS_KEEPALIVE_CMPLT);
938 resp->MessageLength = __constant_cpu_to_le32(16);
939 resp->RequestID = get_unaligned(&buf->RequestID);
940 resp->Status = __constant_cpu_to_le32(RNDIS_STATUS_SUCCESS);
941
942 if (rndis_per_dev_params[configNr].ack)
943 rndis_per_dev_params[configNr].ack(
944 rndis_per_dev_params[configNr].dev);
945
946 return 0;
947}
948
949
950
951
952
953static int rndis_indicate_status_msg(int configNr, u32 status)
954{
955 rndis_indicate_status_msg_type *resp;
956 rndis_resp_t *r;
957
958 if (rndis_per_dev_params[configNr].state == RNDIS_UNINITIALIZED)
959 return -ENOTSUPP;
960
961 r = rndis_add_response(configNr,
962 sizeof(rndis_indicate_status_msg_type));
963 if (!r)
964 return -ENOMEM;
965 resp = (rndis_indicate_status_msg_type *) r->buf;
966
967 resp->MessageType = __constant_cpu_to_le32(
968 REMOTE_NDIS_INDICATE_STATUS_MSG);
969 resp->MessageLength = __constant_cpu_to_le32(20);
970 resp->Status = cpu_to_le32(status);
971 resp->StatusBufferLength = __constant_cpu_to_le32(0);
972 resp->StatusBufferOffset = __constant_cpu_to_le32(0);
973
974 if (rndis_per_dev_params[configNr].ack)
975 rndis_per_dev_params[configNr].ack(
976 rndis_per_dev_params[configNr].dev);
977 return 0;
978}
979
980int rndis_signal_connect(int configNr)
981{
982 rndis_per_dev_params[configNr].media_state
983 = NDIS_MEDIA_STATE_CONNECTED;
984 return rndis_indicate_status_msg(configNr,
985 RNDIS_STATUS_MEDIA_CONNECT);
986}
987
988int rndis_signal_disconnect(int configNr)
989{
990 rndis_per_dev_params[configNr].media_state
991 = NDIS_MEDIA_STATE_DISCONNECTED;
992
993#ifdef RNDIS_COMPLETE_SIGNAL_DISCONNECT
994 return rndis_indicate_status_msg(configNr,
995 RNDIS_STATUS_MEDIA_DISCONNECT);
996#else
997 return 0;
998#endif
999}
1000
1001void rndis_uninit(int configNr)
1002{
1003 u8 *buf;
1004 u32 length;
1005
1006 if (configNr >= RNDIS_MAX_CONFIGS)
1007 return;
1008 rndis_per_dev_params[configNr].used = 0;
1009 rndis_per_dev_params[configNr].state = RNDIS_UNINITIALIZED;
1010
1011
1012 while ((buf = rndis_get_next_response(configNr, &length)))
1013 rndis_free_response(configNr, buf);
1014}
1015
1016void rndis_set_host_mac(int configNr, const u8 *addr)
1017{
1018 rndis_per_dev_params[configNr].host_mac = addr;
1019}
1020
1021enum rndis_state rndis_get_state(int configNr)
1022{
1023 if (configNr >= RNDIS_MAX_CONFIGS || configNr < 0)
1024 return -ENOTSUPP;
1025 return rndis_per_dev_params[configNr].state;
1026}
1027
1028
1029
1030
1031int rndis_msg_parser(u8 configNr, u8 *buf)
1032{
1033 u32 MsgType, MsgLength;
1034 __le32 *tmp;
1035 struct rndis_params *params;
1036
1037 debug("%s: configNr = %d, %p\n", __func__, configNr, buf);
1038
1039 if (!buf)
1040 return -ENOMEM;
1041
1042 tmp = (__le32 *) buf;
1043 MsgType = get_unaligned_le32(tmp++);
1044 MsgLength = get_unaligned_le32(tmp++);
1045
1046 if (configNr >= RNDIS_MAX_CONFIGS)
1047 return -ENOTSUPP;
1048 params = &rndis_per_dev_params[configNr];
1049
1050
1051
1052
1053
1054
1055
1056
1057 switch (MsgType) {
1058 case REMOTE_NDIS_INITIALIZE_MSG:
1059 debug("%s: REMOTE_NDIS_INITIALIZE_MSG\n", __func__);
1060 params->state = RNDIS_INITIALIZED;
1061 return rndis_init_response(configNr,
1062 (rndis_init_msg_type *) buf);
1063
1064 case REMOTE_NDIS_HALT_MSG:
1065 debug("%s: REMOTE_NDIS_HALT_MSG\n", __func__);
1066 params->state = RNDIS_UNINITIALIZED;
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", __func__);
1079 return rndis_reset_response(configNr,
1080 (rndis_reset_msg_type *) buf);
1081
1082 case REMOTE_NDIS_KEEPALIVE_MSG:
1083
1084#if defined(DEBUG) && defined(DEBUG_VERBOSE)
1085 debug("%s: REMOTE_NDIS_KEEPALIVE_MSG\n", __func__);
1086#endif
1087 return rndis_keepalive_response(configNr,
1088 (rndis_keepalive_msg_type *) buf);
1089
1090 default:
1091
1092
1093
1094
1095
1096 debug("%s: unknown RNDIS message 0x%08X len %d\n",
1097 __func__ , MsgType, MsgLength);
1098 {
1099 unsigned i;
1100 for (i = 0; i < MsgLength; i += 16) {
1101 debug("%03d: "
1102 " %02x %02x %02x %02x"
1103 " %02x %02x %02x %02x"
1104 " %02x %02x %02x %02x"
1105 " %02x %02x %02x %02x"
1106 "\n",
1107 i,
1108 buf[i], buf[i+1],
1109 buf[i+2], buf[i+3],
1110 buf[i+4], buf[i+5],
1111 buf[i+6], buf[i+7],
1112 buf[i+8], buf[i+9],
1113 buf[i+10], buf[i+11],
1114 buf[i+12], buf[i+13],
1115 buf[i+14], buf[i+15]);
1116 }
1117 }
1118 break;
1119 }
1120
1121 return -ENOTSUPP;
1122}
1123
1124#ifndef CONFIG_DM_ETH
1125int rndis_register(int (*rndis_control_ack)(struct eth_device *))
1126#else
1127int rndis_register(int (*rndis_control_ack)(struct udevice *))
1128#endif
1129{
1130 u8 i;
1131
1132 for (i = 0; i < RNDIS_MAX_CONFIGS; i++) {
1133 if (!rndis_per_dev_params[i].used) {
1134 rndis_per_dev_params[i].used = 1;
1135 rndis_per_dev_params[i].ack = rndis_control_ack;
1136 debug("%s: configNr = %d\n", __func__, i);
1137 return i;
1138 }
1139 }
1140 debug("%s failed\n", __func__);
1141
1142 return -1;
1143}
1144
1145void rndis_deregister(int configNr)
1146{
1147 debug("%s: configNr = %d\n", __func__, configNr);
1148
1149 if (configNr >= RNDIS_MAX_CONFIGS)
1150 return;
1151 rndis_per_dev_params[configNr].used = 0;
1152
1153 return;
1154}
1155
1156#ifndef CONFIG_DM_ETH
1157int rndis_set_param_dev(u8 configNr, struct eth_device *dev, int mtu,
1158 struct net_device_stats *stats, u16 *cdc_filter)
1159#else
1160int rndis_set_param_dev(u8 configNr, struct udevice *dev, int mtu,
1161 struct net_device_stats *stats, u16 *cdc_filter)
1162#endif
1163{
1164 debug("%s: configNr = %d\n", __func__, configNr);
1165 if (!dev || !stats)
1166 return -1;
1167 if (configNr >= RNDIS_MAX_CONFIGS)
1168 return -1;
1169
1170 rndis_per_dev_params[configNr].dev = dev;
1171 rndis_per_dev_params[configNr].stats = stats;
1172 rndis_per_dev_params[configNr].mtu = mtu;
1173 rndis_per_dev_params[configNr].filter = cdc_filter;
1174
1175 return 0;
1176}
1177
1178int rndis_set_param_vendor(u8 configNr, u32 vendorID, const char *vendorDescr)
1179{
1180 debug("%s: configNr = %d\n", __func__, configNr);
1181 if (!vendorDescr)
1182 return -1;
1183 if (configNr >= RNDIS_MAX_CONFIGS)
1184 return -1;
1185
1186 rndis_per_dev_params[configNr].vendorID = vendorID;
1187 rndis_per_dev_params[configNr].vendorDescr = vendorDescr;
1188
1189 return 0;
1190}
1191
1192int rndis_set_param_medium(u8 configNr, u32 medium, u32 speed)
1193{
1194 debug("%s: configNr = %d, %u %u\n", __func__, configNr, medium, speed);
1195 if (configNr >= RNDIS_MAX_CONFIGS)
1196 return -1;
1197
1198 rndis_per_dev_params[configNr].medium = medium;
1199 rndis_per_dev_params[configNr].speed = speed;
1200
1201 return 0;
1202}
1203
1204void rndis_add_hdr(void *buf, int length)
1205{
1206 struct rndis_packet_msg_type *header;
1207
1208 header = buf;
1209 memset(header, 0, sizeof *header);
1210 header->MessageType = __constant_cpu_to_le32(REMOTE_NDIS_PACKET_MSG);
1211 header->MessageLength = cpu_to_le32(length + sizeof *header);
1212 header->DataOffset = __constant_cpu_to_le32(36);
1213 header->DataLength = cpu_to_le32(length);
1214}
1215
1216void rndis_free_response(int configNr, u8 *buf)
1217{
1218 rndis_resp_t *r;
1219 struct list_head *act, *tmp;
1220
1221 list_for_each_safe(act, tmp,
1222 &(rndis_per_dev_params[configNr].resp_queue))
1223 {
1224 r = list_entry(act, rndis_resp_t, list);
1225 if (r && r->buf == buf) {
1226 list_del(&r->list);
1227 free(r);
1228 }
1229 }
1230}
1231
1232u8 *rndis_get_next_response(int configNr, u32 *length)
1233{
1234 rndis_resp_t *r;
1235 struct list_head *act, *tmp;
1236
1237 if (!length)
1238 return NULL;
1239
1240 list_for_each_safe(act, tmp,
1241 &(rndis_per_dev_params[configNr].resp_queue))
1242 {
1243 r = list_entry(act, rndis_resp_t, list);
1244 if (!r->send) {
1245 r->send = 1;
1246 *length = r->length;
1247 return r->buf;
1248 }
1249 }
1250
1251 return NULL;
1252}
1253
1254static rndis_resp_t *rndis_add_response(int configNr, u32 length)
1255{
1256 rndis_resp_t *r;
1257
1258
1259 r = malloc(sizeof(rndis_resp_t) + length);
1260 if (!r)
1261 return NULL;
1262
1263 r->buf = (u8 *) (r + 1);
1264 r->length = length;
1265 r->send = 0;
1266
1267 list_add_tail(&r->list,
1268 &(rndis_per_dev_params[configNr].resp_queue));
1269 return r;
1270}
1271
1272int rndis_rm_hdr(void *buf, int length)
1273{
1274
1275 __le32 *tmp = buf;
1276 int offs, len;
1277
1278
1279 if (__constant_cpu_to_le32(REMOTE_NDIS_PACKET_MSG)
1280 != get_unaligned(tmp++))
1281 return -EINVAL;
1282 tmp++;
1283
1284
1285 offs = get_unaligned_le32(tmp++) + 8 ;
1286 if (offs != sizeof(struct rndis_packet_msg_type))
1287 debug("%s: unexpected DataOffset: %d\n", __func__, offs);
1288 if (offs >= length)
1289 return -EOVERFLOW;
1290
1291 len = get_unaligned_le32(tmp++);
1292 if (len + sizeof(struct rndis_packet_msg_type) != length)
1293 debug("%s: unexpected DataLength: %d, packet length=%d\n",
1294 __func__, len, length);
1295
1296 memmove(buf, buf + offs, len);
1297
1298 return offs;
1299}
1300
1301int rndis_init(void)
1302{
1303 u8 i;
1304
1305 for (i = 0; i < RNDIS_MAX_CONFIGS; i++) {
1306 rndis_per_dev_params[i].confignr = i;
1307 rndis_per_dev_params[i].used = 0;
1308 rndis_per_dev_params[i].state = RNDIS_UNINITIALIZED;
1309 rndis_per_dev_params[i].media_state
1310 = NDIS_MEDIA_STATE_DISCONNECTED;
1311 INIT_LIST_HEAD(&(rndis_per_dev_params[i].resp_queue));
1312 }
1313
1314 return 0;
1315}
1316
1317void rndis_exit(void)
1318{
1319
1320}
1321
