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16
17#include "ieee80211.h"
18
19#include <linux/random.h>
20#include <linux/delay.h>
21#include <linux/version.h>
22#include <asm/uaccess.h>
23
24#include "dot11d.h"
25u8 rsn_authen_cipher_suite[16][4] = {
26 {0x00,0x0F,0xAC,0x00},
27 {0x00,0x0F,0xAC,0x01},
28 {0x00,0x0F,0xAC,0x02},
29 {0x00,0x0F,0xAC,0x03},
30 {0x00,0x0F,0xAC,0x04},
31 {0x00,0x0F,0xAC,0x05},
32};
33
34short ieee80211_is_54g(struct ieee80211_network net)
35{
36 return ((net.rates_ex_len > 0) || (net.rates_len > 4));
37}
38
39short ieee80211_is_shortslot(struct ieee80211_network net)
40{
41 return (net.capability & WLAN_CAPABILITY_SHORT_SLOT);
42}
43
44
45
46
47
48unsigned int ieee80211_MFIE_rate_len(struct ieee80211_device *ieee)
49{
50 unsigned int rate_len = 0;
51
52 if (ieee->modulation & IEEE80211_CCK_MODULATION)
53 rate_len = IEEE80211_CCK_RATE_LEN + 2;
54
55 if (ieee->modulation & IEEE80211_OFDM_MODULATION)
56
57 rate_len += IEEE80211_OFDM_RATE_LEN + 2;
58
59 return rate_len;
60}
61
62
63
64
65
66void ieee80211_MFIE_Brate(struct ieee80211_device *ieee, u8 **tag_p)
67{
68 u8 *tag = *tag_p;
69
70 if (ieee->modulation & IEEE80211_CCK_MODULATION){
71 *tag++ = MFIE_TYPE_RATES;
72 *tag++ = 4;
73 *tag++ = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_1MB;
74 *tag++ = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_2MB;
75 *tag++ = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_5MB;
76 *tag++ = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_11MB;
77 }
78
79
80 *tag_p = tag;
81}
82
83void ieee80211_MFIE_Grate(struct ieee80211_device *ieee, u8 **tag_p)
84{
85 u8 *tag = *tag_p;
86
87 if (ieee->modulation & IEEE80211_OFDM_MODULATION){
88
89 *tag++ = MFIE_TYPE_RATES_EX;
90 *tag++ = 8;
91 *tag++ = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_6MB;
92 *tag++ = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_9MB;
93 *tag++ = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_12MB;
94 *tag++ = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_18MB;
95 *tag++ = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_24MB;
96 *tag++ = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_36MB;
97 *tag++ = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_48MB;
98 *tag++ = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_54MB;
99
100 }
101
102
103 *tag_p = tag;
104}
105
106
107void ieee80211_WMM_Info(struct ieee80211_device *ieee, u8 **tag_p) {
108 u8 *tag = *tag_p;
109
110 *tag++ = MFIE_TYPE_GENERIC;
111 *tag++ = 7;
112 *tag++ = 0x00;
113 *tag++ = 0x50;
114 *tag++ = 0xf2;
115 *tag++ = 0x02;
116 *tag++ = 0x00;
117 *tag++ = 0x01;
118#ifdef SUPPORT_USPD
119 if(ieee->current_network.wmm_info & 0x80) {
120 *tag++ = 0x0f|MAX_SP_Len;
121 } else {
122 *tag++ = MAX_SP_Len;
123 }
124#else
125 *tag++ = MAX_SP_Len;
126#endif
127 *tag_p = tag;
128}
129
130void ieee80211_TURBO_Info(struct ieee80211_device *ieee, u8 **tag_p) {
131 u8 *tag = *tag_p;
132
133 *tag++ = MFIE_TYPE_GENERIC;
134 *tag++ = 7;
135 *tag++ = 0x00;
136 *tag++ = 0xe0;
137 *tag++ = 0x4c;
138 *tag++ = 0x01;
139 *tag++ = 0x02;
140 *tag++ = 0x11;
141 *tag++ = 0x00;
142
143 *tag_p = tag;
144 printk(KERN_ALERT "This is enable turbo mode IE process\n");
145}
146
147void enqueue_mgmt(struct ieee80211_device *ieee, struct sk_buff *skb)
148{
149 int nh;
150 nh = (ieee->mgmt_queue_head +1) % MGMT_QUEUE_NUM;
151
152
153
154
155
156
157
158
159 ieee->mgmt_queue_head = nh;
160 ieee->mgmt_queue_ring[nh] = skb;
161
162
163}
164
165struct sk_buff *dequeue_mgmt(struct ieee80211_device *ieee)
166{
167 struct sk_buff *ret;
168
169 if(ieee->mgmt_queue_tail == ieee->mgmt_queue_head)
170 return NULL;
171
172 ret = ieee->mgmt_queue_ring[ieee->mgmt_queue_tail];
173
174 ieee->mgmt_queue_tail =
175 (ieee->mgmt_queue_tail+1) % MGMT_QUEUE_NUM;
176
177 return ret;
178}
179
180void init_mgmt_queue(struct ieee80211_device *ieee)
181{
182 ieee->mgmt_queue_tail = ieee->mgmt_queue_head = 0;
183}
184
185
186void ieee80211_sta_wakeup(struct ieee80211_device *ieee, short nl);
187
188inline void softmac_mgmt_xmit(struct sk_buff *skb, struct ieee80211_device *ieee)
189{
190 unsigned long flags;
191 short single = ieee->softmac_features & IEEE_SOFTMAC_SINGLE_QUEUE;
192 struct ieee80211_hdr_3addr *header=
193 (struct ieee80211_hdr_3addr *) skb->data;
194
195
196 spin_lock_irqsave(&ieee->lock, flags);
197
198
199 ieee80211_sta_wakeup(ieee,0);
200
201 if(single){
202 if(ieee->queue_stop){
203
204 enqueue_mgmt(ieee,skb);
205 }else{
206 header->seq_ctl = cpu_to_le16(ieee->seq_ctrl[0]<<4);
207
208 if (ieee->seq_ctrl[0] == 0xFFF)
209 ieee->seq_ctrl[0] = 0;
210 else
211 ieee->seq_ctrl[0]++;
212
213
214 ieee->dev->trans_start = jiffies;
215 ieee->softmac_data_hard_start_xmit(skb,ieee->dev,ieee->basic_rate);
216 }
217
218 spin_unlock_irqrestore(&ieee->lock, flags);
219 }else{
220 spin_unlock_irqrestore(&ieee->lock, flags);
221 spin_lock_irqsave(&ieee->mgmt_tx_lock, flags);
222
223 header->seq_ctl = cpu_to_le16(ieee->seq_ctrl[0] << 4);
224
225 if (ieee->seq_ctrl[0] == 0xFFF)
226 ieee->seq_ctrl[0] = 0;
227 else
228 ieee->seq_ctrl[0]++;
229
230
231 ieee->dev->trans_start = jiffies;
232 ieee->softmac_hard_start_xmit(skb,ieee->dev);
233
234 spin_unlock_irqrestore(&ieee->mgmt_tx_lock, flags);
235 }
236}
237
238
239inline void softmac_ps_mgmt_xmit(struct sk_buff *skb, struct ieee80211_device *ieee)
240{
241
242 short single = ieee->softmac_features & IEEE_SOFTMAC_SINGLE_QUEUE;
243 struct ieee80211_hdr_3addr *header =
244 (struct ieee80211_hdr_3addr *) skb->data;
245
246
247 if(single){
248
249 header->seq_ctl = cpu_to_le16(ieee->seq_ctrl[0] << 4);
250
251 if (ieee->seq_ctrl[0] == 0xFFF)
252 ieee->seq_ctrl[0] = 0;
253 else
254 ieee->seq_ctrl[0]++;
255
256
257 ieee->dev->trans_start = jiffies;
258 ieee->softmac_data_hard_start_xmit(skb,ieee->dev,ieee->basic_rate);
259
260 }else{
261
262 header->seq_ctl = cpu_to_le16(ieee->seq_ctrl[0] << 4);
263
264 if (ieee->seq_ctrl[0] == 0xFFF)
265 ieee->seq_ctrl[0] = 0;
266 else
267 ieee->seq_ctrl[0]++;
268
269
270 ieee->dev->trans_start = jiffies;
271 ieee->softmac_hard_start_xmit(skb,ieee->dev);
272
273 }
274
275}
276
277inline struct sk_buff *ieee80211_disassociate_skb(
278 struct ieee80211_network *beacon,
279 struct ieee80211_device *ieee,
280 u8 asRsn)
281{
282 struct sk_buff *skb;
283 struct ieee80211_disassoc_frame *disass;
284
285 skb = dev_alloc_skb(sizeof(struct ieee80211_disassoc_frame));
286 if (!skb)
287 return NULL;
288
289 disass = (struct ieee80211_disassoc_frame *) skb_put(skb,sizeof(struct ieee80211_disassoc_frame));
290 disass->header.frame_ctl = cpu_to_le16(IEEE80211_STYPE_DISASSOC);
291 disass->header.duration_id = 0;
292
293 memcpy(disass->header.addr1, beacon->bssid, ETH_ALEN);
294 memcpy(disass->header.addr2, ieee->dev->dev_addr, ETH_ALEN);
295 memcpy(disass->header.addr3, beacon->bssid, ETH_ALEN);
296
297 disass->reasoncode = asRsn;
298 return skb;
299}
300void
301SendDisassociation(
302 struct ieee80211_device *ieee,
303 u8* asSta,
304 u8 asRsn
305)
306{
307 struct ieee80211_network *beacon = &ieee->current_network;
308 struct sk_buff *skb;
309 skb = ieee80211_disassociate_skb(beacon,ieee,asRsn);
310 if (skb){
311 softmac_mgmt_xmit(skb, ieee);
312
313 }
314}
315
316
317inline struct sk_buff *ieee80211_probe_req(struct ieee80211_device *ieee)
318{
319 unsigned int len,rate_len;
320 u8 *tag;
321 struct sk_buff *skb;
322 struct ieee80211_probe_request *req;
323
324 len = ieee->current_network.ssid_len;
325
326 rate_len = ieee80211_MFIE_rate_len(ieee);
327
328 skb = dev_alloc_skb(sizeof(struct ieee80211_probe_request) +
329 2 + len + rate_len);
330 if (!skb)
331 return NULL;
332
333 req = (struct ieee80211_probe_request *) skb_put(skb,sizeof(struct ieee80211_probe_request));
334 req->header.frame_ctl = cpu_to_le16(IEEE80211_STYPE_PROBE_REQ);
335 req->header.duration_id = 0;
336
337 memset(req->header.addr1, 0xff, ETH_ALEN);
338 memcpy(req->header.addr2, ieee->dev->dev_addr, ETH_ALEN);
339 memset(req->header.addr3, 0xff, ETH_ALEN);
340
341 tag = (u8 *) skb_put(skb,len+2+rate_len);
342
343 *tag++ = MFIE_TYPE_SSID;
344 *tag++ = len;
345 memcpy(tag, ieee->current_network.ssid, len);
346 tag += len;
347 ieee80211_MFIE_Brate(ieee,&tag);
348 ieee80211_MFIE_Grate(ieee,&tag);
349
350 return skb;
351}
352
353struct sk_buff *ieee80211_get_beacon_(struct ieee80211_device *ieee);
354
355void ext_ieee80211_send_beacon_wq(struct ieee80211_device *ieee)
356{
357 struct sk_buff *skb;
358
359
360
361 skb = ieee80211_get_beacon_(ieee);
362
363 if (skb){
364 softmac_mgmt_xmit(skb, ieee);
365 ieee->softmac_stats.tx_beacons++;
366 dev_kfree_skb_any(skb);
367 }
368
369
370
371 ieee->beacon_timer.expires = jiffies +
372 (MSECS( ieee->current_network.beacon_interval -5));
373
374
375 if(ieee->beacon_txing)
376 add_timer(&ieee->beacon_timer);
377
378}
379
380void ieee80211_send_beacon(struct ieee80211_device *ieee)
381{
382 struct sk_buff *skb;
383
384
385
386 skb = ieee80211_get_beacon_(ieee);
387
388 if (skb){
389 softmac_mgmt_xmit(skb, ieee);
390 ieee->softmac_stats.tx_beacons++;
391 dev_kfree_skb_any(skb);
392 }
393
394
395 ieee->beacon_timer.expires = jiffies +
396 (MSECS( ieee->current_network.beacon_interval -5));
397
398
399 if(ieee->beacon_txing)
400 add_timer(&ieee->beacon_timer);
401
402}
403
404
405void ieee80211_send_beacon_cb(unsigned long _ieee)
406{
407 struct ieee80211_device *ieee =
408 (struct ieee80211_device *) _ieee;
409 unsigned long flags;
410
411 spin_lock_irqsave(&ieee->beacon_lock, flags);
412 ieee80211_send_beacon(ieee);
413 spin_unlock_irqrestore(&ieee->beacon_lock, flags);
414}
415
416void ieee80211_send_probe(struct ieee80211_device *ieee)
417{
418 struct sk_buff *skb;
419
420 skb = ieee80211_probe_req(ieee);
421 if (skb){
422 softmac_mgmt_xmit(skb, ieee);
423 ieee->softmac_stats.tx_probe_rq++;
424
425 }
426}
427
428void ieee80211_send_probe_requests(struct ieee80211_device *ieee)
429{
430 if (ieee->active_scan && (ieee->softmac_features & IEEE_SOFTMAC_PROBERQ)){
431 ieee80211_send_probe(ieee);
432 ieee80211_send_probe(ieee);
433 }
434}
435
436
437
438
439void ieee80211_softmac_scan_syncro(struct ieee80211_device *ieee)
440{
441 short ch = 0;
442 u8 channel_map[MAX_CHANNEL_NUMBER+1];
443 memcpy(channel_map, GET_DOT11D_INFO(ieee)->channel_map, MAX_CHANNEL_NUMBER+1);
444 down(&ieee->scan_sem);
445
446
447 while(1)
448 {
449
450 do{
451 ch++;
452 if (ch > MAX_CHANNEL_NUMBER)
453 goto out;
454
455 }while(!channel_map[ch]);
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475 if (ieee->state == IEEE80211_LINKED)
476 goto out;
477
478 ieee->set_chan(ieee->dev, ch);
479
480 if(channel_map[ch] == 1)
481 {
482
483 ieee80211_send_probe_requests(ieee);
484 }
485
486
487
488 if (ieee->sync_scan_hurryup)
489 goto out;
490
491
492 msleep_interruptible_rtl(IEEE80211_SOFTMAC_SCAN_TIME);
493
494 }
495out:
496 ieee->sync_scan_hurryup = 0;
497 up(&ieee->scan_sem);
498 if(IS_DOT11D_ENABLE(ieee))
499 DOT11D_ScanComplete(ieee);
500}
501
502void ieee80211_softmac_ips_scan_syncro(struct ieee80211_device *ieee)
503{
504 int ch;
505 unsigned int watch_dog = 0;
506 u8 channel_map[MAX_CHANNEL_NUMBER+1];
507 memcpy(channel_map, GET_DOT11D_INFO(ieee)->channel_map, MAX_CHANNEL_NUMBER+1);
508 down(&ieee->scan_sem);
509 ch = ieee->current_network.channel;
510
511
512
513
514
515
516
517 while(1)
518 {
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537 if (ieee->state == IEEE80211_LINKED)
538 {
539 goto out;
540 }
541 if(channel_map[ieee->current_network.channel] > 0)
542 {
543 ieee->set_chan(ieee->dev, ieee->current_network.channel);
544
545 }
546 if(channel_map[ieee->current_network.channel] == 1)
547 {
548
549 ieee80211_send_probe_requests(ieee);
550 }
551
552
553
554
555
556
557 msleep_interruptible_rtl(IEEE80211_SOFTMAC_SCAN_TIME);
558
559 do{
560 if (watch_dog++ >= MAX_CHANNEL_NUMBER)
561
562 goto out;
563
564 ieee->current_network.channel = (ieee->current_network.channel + 1)%MAX_CHANNEL_NUMBER;
565 }while(!channel_map[ieee->current_network.channel]);
566 }
567out:
568
569
570
571 ieee->actscanning = false;
572 up(&ieee->scan_sem);
573 if(IS_DOT11D_ENABLE(ieee))
574 DOT11D_ScanComplete(ieee);
575}
576
577void ieee80211_softmac_scan_wq(struct work_struct *work)
578{
579 struct delayed_work *dwork = to_delayed_work(work);
580 struct ieee80211_device *ieee = container_of(dwork, struct ieee80211_device, softmac_scan_wq);
581 static short watchdog = 0;
582 u8 channel_map[MAX_CHANNEL_NUMBER+1];
583 memcpy(channel_map, GET_DOT11D_INFO(ieee)->channel_map, MAX_CHANNEL_NUMBER+1);
584
585
586 down(&ieee->scan_sem);
587
588 do{
589 ieee->current_network.channel =
590 (ieee->current_network.channel + 1) % MAX_CHANNEL_NUMBER;
591 if (watchdog++ > MAX_CHANNEL_NUMBER)
592 goto out;
593
594 }while(!channel_map[ieee->current_network.channel]);
595
596
597 if (ieee->scanning == 0 )
598 {
599 printk("error out, scanning = 0\n");
600 goto out;
601 }
602 ieee->set_chan(ieee->dev, ieee->current_network.channel);
603 if(channel_map[ieee->current_network.channel] == 1)
604 ieee80211_send_probe_requests(ieee);
605
606 queue_delayed_work(ieee->wq, &ieee->softmac_scan_wq, IEEE80211_SOFTMAC_SCAN_TIME);
607 up(&ieee->scan_sem);
608 return;
609out:
610 ieee->actscanning = false;
611 watchdog = 0;
612 ieee->scanning = 0;
613 up(&ieee->scan_sem);
614
615 if(IS_DOT11D_ENABLE(ieee))
616 DOT11D_ScanComplete(ieee);
617 return;
618}
619
620void ieee80211_beacons_start(struct ieee80211_device *ieee)
621{
622 unsigned long flags;
623
624 spin_lock_irqsave(&ieee->beacon_lock,flags);
625
626 ieee->beacon_txing = 1;
627 ieee80211_send_beacon(ieee);
628
629 spin_unlock_irqrestore(&ieee->beacon_lock,flags);
630}
631
632void ieee80211_beacons_stop(struct ieee80211_device *ieee)
633{
634 unsigned long flags;
635
636 spin_lock_irqsave(&ieee->beacon_lock,flags);
637
638 ieee->beacon_txing = 0;
639 del_timer_sync(&ieee->beacon_timer);
640
641 spin_unlock_irqrestore(&ieee->beacon_lock,flags);
642
643}
644
645
646void ieee80211_stop_send_beacons(struct ieee80211_device *ieee)
647{
648 if(ieee->stop_send_beacons)
649 ieee->stop_send_beacons(ieee->dev);
650 if (ieee->softmac_features & IEEE_SOFTMAC_BEACONS)
651 ieee80211_beacons_stop(ieee);
652}
653
654
655void ieee80211_start_send_beacons(struct ieee80211_device *ieee)
656{
657 if(ieee->start_send_beacons)
658 ieee->start_send_beacons(ieee->dev);
659 if(ieee->softmac_features & IEEE_SOFTMAC_BEACONS)
660 ieee80211_beacons_start(ieee);
661}
662
663
664void ieee80211_softmac_stop_scan(struct ieee80211_device *ieee)
665{
666
667
668
669
670 down(&ieee->scan_sem);
671
672
673 if (ieee->scanning == 1){
674 ieee->scanning = 0;
675
676 cancel_delayed_work(&ieee->softmac_scan_wq);
677 }
678
679
680 up(&ieee->scan_sem);
681}
682
683void ieee80211_stop_scan(struct ieee80211_device *ieee)
684{
685 if (ieee->softmac_features & IEEE_SOFTMAC_SCAN)
686 ieee80211_softmac_stop_scan(ieee);
687 else
688 ieee->stop_scan(ieee->dev);
689}
690
691
692void ieee80211_start_scan(struct ieee80211_device *ieee)
693{
694 if(IS_DOT11D_ENABLE(ieee) )
695 {
696 if(IS_COUNTRY_IE_VALID(ieee))
697 {
698 RESET_CIE_WATCHDOG(ieee);
699 }
700 }
701 if (ieee->softmac_features & IEEE_SOFTMAC_SCAN){
702 if (ieee->scanning == 0)
703 {
704 ieee->scanning = 1;
705
706
707
708#if 1
709 queue_delayed_work(ieee->wq, &ieee->softmac_scan_wq,0);
710#endif
711 }
712 }else
713 ieee->start_scan(ieee->dev);
714
715}
716
717
718void ieee80211_start_scan_syncro(struct ieee80211_device *ieee)
719{
720 if(IS_DOT11D_ENABLE(ieee) )
721 {
722 if(IS_COUNTRY_IE_VALID(ieee))
723 {
724 RESET_CIE_WATCHDOG(ieee);
725 }
726 }
727 ieee->sync_scan_hurryup = 0;
728
729 if (ieee->softmac_features & IEEE_SOFTMAC_SCAN)
730 ieee80211_softmac_scan_syncro(ieee);
731 else
732 ieee->scan_syncro(ieee->dev);
733
734}
735
736inline struct sk_buff *ieee80211_authentication_req(struct ieee80211_network *beacon,
737 struct ieee80211_device *ieee, int challengelen)
738{
739 struct sk_buff *skb;
740 struct ieee80211_authentication *auth;
741
742 skb = dev_alloc_skb(sizeof(struct ieee80211_authentication) + challengelen);
743
744 if (!skb) return NULL;
745
746 auth = (struct ieee80211_authentication *)
747 skb_put(skb, sizeof(struct ieee80211_authentication));
748
749 auth->header.frame_ctl = IEEE80211_STYPE_AUTH;
750 if (challengelen) auth->header.frame_ctl |= IEEE80211_FCTL_WEP;
751
752 auth->header.duration_id = 0x013a;
753
754 memcpy(auth->header.addr1, beacon->bssid, ETH_ALEN);
755 memcpy(auth->header.addr2, ieee->dev->dev_addr, ETH_ALEN);
756 memcpy(auth->header.addr3, beacon->bssid, ETH_ALEN);
757
758 auth->algorithm = ieee->open_wep ? WLAN_AUTH_OPEN : WLAN_AUTH_SHARED_KEY;
759
760 auth->transaction = cpu_to_le16(ieee->associate_seq);
761 ieee->associate_seq++;
762
763 auth->status = cpu_to_le16(WLAN_STATUS_SUCCESS);
764
765 return skb;
766
767}
768
769static struct sk_buff* ieee80211_probe_resp(struct ieee80211_device *ieee, u8 *dest)
770{
771 u8 *tag;
772 int beacon_size;
773 struct ieee80211_probe_response *beacon_buf;
774 struct sk_buff *skb;
775 int encrypt;
776 int atim_len,erp_len;
777 struct ieee80211_crypt_data* crypt;
778
779 char *ssid = ieee->current_network.ssid;
780 int ssid_len = ieee->current_network.ssid_len;
781 int rate_len = ieee->current_network.rates_len+2;
782 int rate_ex_len = ieee->current_network.rates_ex_len;
783 int wpa_ie_len = ieee->wpa_ie_len;
784 if(rate_ex_len > 0) rate_ex_len+=2;
785
786 if(ieee->current_network.capability & WLAN_CAPABILITY_IBSS)
787 atim_len = 4;
788 else
789 atim_len = 0;
790
791 if(ieee80211_is_54g(ieee->current_network))
792 erp_len = 3;
793 else
794 erp_len = 0;
795
796 beacon_size = sizeof(struct ieee80211_probe_response)+
797 ssid_len
798 +3
799 +rate_len
800 +rate_ex_len
801 +atim_len
802 +wpa_ie_len
803 +erp_len;
804
805 skb = dev_alloc_skb(beacon_size);
806
807 if (!skb)
808 return NULL;
809
810 beacon_buf = (struct ieee80211_probe_response*) skb_put(skb, beacon_size);
811
812 memcpy (beacon_buf->header.addr1, dest,ETH_ALEN);
813 memcpy (beacon_buf->header.addr2, ieee->dev->dev_addr, ETH_ALEN);
814 memcpy (beacon_buf->header.addr3, ieee->current_network.bssid, ETH_ALEN);
815
816 beacon_buf->header.duration_id = 0;
817 beacon_buf->beacon_interval =
818 cpu_to_le16(ieee->current_network.beacon_interval);
819 beacon_buf->capability =
820 cpu_to_le16(ieee->current_network.capability & WLAN_CAPABILITY_IBSS);
821
822 if(ieee->short_slot && (ieee->current_network.capability & WLAN_CAPABILITY_SHORT_SLOT))
823 cpu_to_le16((beacon_buf->capability |= WLAN_CAPABILITY_SHORT_SLOT));
824
825 crypt = ieee->crypt[ieee->tx_keyidx];
826
827 encrypt = ieee->host_encrypt && crypt && crypt->ops &&
828 ((0 == strcmp(crypt->ops->name, "WEP")) || wpa_ie_len);
829
830 if (encrypt)
831 beacon_buf->capability |= cpu_to_le16(WLAN_CAPABILITY_PRIVACY);
832
833
834 beacon_buf->header.frame_ctl = cpu_to_le16(IEEE80211_STYPE_PROBE_RESP);
835
836 beacon_buf->info_element.id = MFIE_TYPE_SSID;
837 beacon_buf->info_element.len = ssid_len;
838
839 tag = (u8*) beacon_buf->info_element.data;
840
841 memcpy(tag, ssid, ssid_len);
842
843 tag += ssid_len;
844
845 *(tag++) = MFIE_TYPE_RATES;
846 *(tag++) = rate_len-2;
847 memcpy(tag,ieee->current_network.rates,rate_len-2);
848 tag+=rate_len-2;
849
850 *(tag++) = MFIE_TYPE_DS_SET;
851 *(tag++) = 1;
852 *(tag++) = ieee->current_network.channel;
853
854 if(atim_len){
855 *(tag++) = MFIE_TYPE_IBSS_SET;
856 *(tag++) = 2;
857 *((u16*)(tag)) = cpu_to_le16(ieee->current_network.atim_window);
858 tag+=2;
859 }
860
861 if(erp_len){
862 *(tag++) = MFIE_TYPE_ERP;
863 *(tag++) = 1;
864 *(tag++) = 0;
865 }
866
867 if(rate_ex_len){
868 *(tag++) = MFIE_TYPE_RATES_EX;
869 *(tag++) = rate_ex_len-2;
870 memcpy(tag,ieee->current_network.rates_ex,rate_ex_len-2);
871 tag+=rate_ex_len-2;
872 }
873
874 if (wpa_ie_len)
875 {
876 if (ieee->iw_mode == IW_MODE_ADHOC)
877 {
878 memcpy(&ieee->wpa_ie[14], &ieee->wpa_ie[8], 4);
879 }
880
881 memcpy(tag, ieee->wpa_ie, ieee->wpa_ie_len);
882 }
883
884 skb->dev = ieee->dev;
885 return skb;
886}
887
888struct sk_buff* ieee80211_assoc_resp(struct ieee80211_device *ieee, u8 *dest)
889{
890 struct sk_buff *skb;
891 u8* tag;
892
893 struct ieee80211_crypt_data* crypt;
894 struct ieee80211_assoc_response_frame *assoc;
895 short encrypt;
896
897 unsigned int rate_len = ieee80211_MFIE_rate_len(ieee);
898 int len = sizeof(struct ieee80211_assoc_response_frame) + rate_len;
899
900 skb = dev_alloc_skb(len);
901
902 if (!skb)
903 return NULL;
904
905 assoc = (struct ieee80211_assoc_response_frame *)
906 skb_put(skb,sizeof(struct ieee80211_assoc_response_frame));
907
908 assoc->header.frame_ctl = cpu_to_le16(IEEE80211_STYPE_ASSOC_RESP);
909 memcpy(assoc->header.addr1, dest,ETH_ALEN);
910 memcpy(assoc->header.addr3, ieee->dev->dev_addr, ETH_ALEN);
911 memcpy(assoc->header.addr2, ieee->dev->dev_addr, ETH_ALEN);
912 assoc->capability = cpu_to_le16(ieee->iw_mode == IW_MODE_MASTER ?
913 WLAN_CAPABILITY_BSS : WLAN_CAPABILITY_IBSS);
914
915
916 if(ieee->short_slot)
917 assoc->capability |= cpu_to_le16(WLAN_CAPABILITY_SHORT_SLOT);
918
919 if (ieee->host_encrypt)
920 crypt = ieee->crypt[ieee->tx_keyidx];
921 else crypt = NULL;
922
923 encrypt = ( crypt && crypt->ops);
924
925 if (encrypt)
926 assoc->capability |= cpu_to_le16(WLAN_CAPABILITY_PRIVACY);
927
928 assoc->status = 0;
929 assoc->aid = cpu_to_le16(ieee->assoc_id);
930 if (ieee->assoc_id == 0x2007) ieee->assoc_id=0;
931 else ieee->assoc_id++;
932
933 tag = (u8*) skb_put(skb, rate_len);
934
935 ieee80211_MFIE_Brate(ieee, &tag);
936 ieee80211_MFIE_Grate(ieee, &tag);
937
938 return skb;
939}
940
941struct sk_buff* ieee80211_auth_resp(struct ieee80211_device *ieee,int status, u8 *dest)
942{
943 struct sk_buff *skb;
944 struct ieee80211_authentication *auth;
945
946 skb = dev_alloc_skb(sizeof(struct ieee80211_authentication)+1);
947
948 if (!skb)
949 return NULL;
950
951 skb->len = sizeof(struct ieee80211_authentication);
952
953 auth = (struct ieee80211_authentication *)skb->data;
954
955 auth->status = cpu_to_le16(status);
956 auth->transaction = cpu_to_le16(2);
957 auth->algorithm = cpu_to_le16(WLAN_AUTH_OPEN);
958
959 memcpy(auth->header.addr3, ieee->dev->dev_addr, ETH_ALEN);
960 memcpy(auth->header.addr2, ieee->dev->dev_addr, ETH_ALEN);
961 memcpy(auth->header.addr1, dest, ETH_ALEN);
962 auth->header.frame_ctl = cpu_to_le16(IEEE80211_STYPE_AUTH);
963 return skb;
964
965
966}
967
968struct sk_buff* ieee80211_null_func(struct ieee80211_device *ieee,short pwr)
969{
970 struct sk_buff *skb;
971 struct ieee80211_hdr_3addr* hdr;
972
973 skb = dev_alloc_skb(sizeof(struct ieee80211_hdr_3addr));
974
975 if (!skb)
976 return NULL;
977
978 hdr = (struct ieee80211_hdr_3addr*)skb_put(skb,sizeof(struct ieee80211_hdr_3addr));
979
980 memcpy(hdr->addr1, ieee->current_network.bssid, ETH_ALEN);
981 memcpy(hdr->addr2, ieee->dev->dev_addr, ETH_ALEN);
982 memcpy(hdr->addr3, ieee->current_network.bssid, ETH_ALEN);
983
984 hdr->frame_ctl = cpu_to_le16(IEEE80211_FTYPE_DATA |
985 IEEE80211_STYPE_NULLFUNC | IEEE80211_FCTL_TODS |
986 (pwr ? IEEE80211_FCTL_PM:0));
987
988 return skb;
989
990
991}
992
993
994void ieee80211_resp_to_assoc_rq(struct ieee80211_device *ieee, u8* dest)
995{
996 struct sk_buff *buf = ieee80211_assoc_resp(ieee, dest);
997
998 if (buf){
999 softmac_mgmt_xmit(buf, ieee);
1000 dev_kfree_skb_any(buf);
1001 }
1002}
1003
1004
1005void ieee80211_resp_to_auth(struct ieee80211_device *ieee, int s, u8* dest)
1006{
1007 struct sk_buff *buf = ieee80211_auth_resp(ieee, s, dest);
1008
1009 if (buf){
1010 softmac_mgmt_xmit(buf, ieee);
1011 dev_kfree_skb_any(buf);
1012 }
1013}
1014
1015
1016void ieee80211_resp_to_probe(struct ieee80211_device *ieee, u8 *dest)
1017{
1018
1019 struct sk_buff *buf = ieee80211_probe_resp(ieee, dest);
1020
1021 if (buf) {
1022 softmac_mgmt_xmit(buf, ieee);
1023 dev_kfree_skb_any(buf);
1024 }
1025}
1026
1027
1028inline struct sk_buff *ieee80211_association_req(struct ieee80211_network *beacon,struct ieee80211_device *ieee)
1029{
1030 struct sk_buff *skb;
1031
1032
1033 struct ieee80211_assoc_request_frame *hdr;
1034 u8 *tag;
1035
1036
1037
1038
1039 unsigned int wpa_len = beacon->wpa_ie_len;
1040
1041
1042
1043
1044#if 1
1045
1046 unsigned int rsn_len = beacon->rsn_ie_len;
1047#else
1048 unsigned int rsn_len = beacon->rsn_ie_len - 4;
1049#endif
1050 unsigned int rate_len = ieee80211_MFIE_rate_len(ieee);
1051 unsigned int wmm_info_len = beacon->QoS_Enable?9:0;
1052 unsigned int turbo_info_len = beacon->Turbo_Enable?9:0;
1053
1054 u8 encry_proto = ieee->wpax_type_notify & 0xff;
1055
1056
1057
1058 int len = 0;
1059
1060
1061
1062
1063 if(ieee->wpax_type_set) {
1064 if (IEEE_PROTO_WPA == encry_proto) {
1065 rsn_len = 0;
1066 } else if (IEEE_PROTO_RSN == encry_proto) {
1067 wpa_len = 0;
1068 }
1069 }
1070 len = sizeof(struct ieee80211_assoc_request_frame)+
1071 + beacon->ssid_len
1072 + rate_len
1073 + wpa_len
1074 + rsn_len
1075 + wmm_info_len
1076 + turbo_info_len;
1077
1078 skb = dev_alloc_skb(len);
1079
1080 if (!skb)
1081 return NULL;
1082
1083 hdr = (struct ieee80211_assoc_request_frame *)
1084 skb_put(skb, sizeof(struct ieee80211_assoc_request_frame));
1085
1086
1087 hdr->header.frame_ctl = IEEE80211_STYPE_ASSOC_REQ;
1088 hdr->header.duration_id= 37;
1089 memcpy(hdr->header.addr1, beacon->bssid, ETH_ALEN);
1090 memcpy(hdr->header.addr2, ieee->dev->dev_addr, ETH_ALEN);
1091 memcpy(hdr->header.addr3, beacon->bssid, ETH_ALEN);
1092 memcpy(ieee->ap_mac_addr, beacon->bssid, ETH_ALEN);
1093
1094 hdr->capability = cpu_to_le16(WLAN_CAPABILITY_BSS);
1095 if (beacon->capability & WLAN_CAPABILITY_PRIVACY )
1096 hdr->capability |= cpu_to_le16(WLAN_CAPABILITY_PRIVACY);
1097 if (beacon->capability & WLAN_CAPABILITY_SHORT_PREAMBLE)
1098 hdr->capability |= cpu_to_le16(WLAN_CAPABILITY_SHORT_PREAMBLE);
1099
1100 if(ieee->short_slot)
1101 hdr->capability |= cpu_to_le16(WLAN_CAPABILITY_SHORT_SLOT);
1102
1103 hdr->listen_interval = 0xa;
1104
1105 hdr->info_element.id = MFIE_TYPE_SSID;
1106
1107 hdr->info_element.len = beacon->ssid_len;
1108 tag = skb_put(skb, beacon->ssid_len);
1109 memcpy(tag, beacon->ssid, beacon->ssid_len);
1110
1111 tag = skb_put(skb, rate_len);
1112
1113 ieee80211_MFIE_Brate(ieee, &tag);
1114 ieee80211_MFIE_Grate(ieee, &tag);
1115
1116
1117
1118
1119 tag = skb_put(skb,ieee->wpa_ie_len);
1120 memcpy(tag,ieee->wpa_ie,ieee->wpa_ie_len);
1121
1122 tag = skb_put(skb,wmm_info_len);
1123 if(wmm_info_len) {
1124 ieee80211_WMM_Info(ieee, &tag);
1125 }
1126 tag = skb_put(skb,turbo_info_len);
1127 if(turbo_info_len) {
1128 ieee80211_TURBO_Info(ieee, &tag);
1129 }
1130
1131 return skb;
1132}
1133
1134void ieee80211_associate_abort(struct ieee80211_device *ieee)
1135{
1136
1137 unsigned long flags;
1138 spin_lock_irqsave(&ieee->lock, flags);
1139
1140 ieee->associate_seq++;
1141
1142
1143
1144
1145
1146
1147
1148 if (ieee->state == IEEE80211_ASSOCIATING_AUTHENTICATING){
1149 IEEE80211_DEBUG_MGMT("Authentication failed\n");
1150 ieee->softmac_stats.no_auth_rs++;
1151 }else{
1152 IEEE80211_DEBUG_MGMT("Association failed\n");
1153 ieee->softmac_stats.no_ass_rs++;
1154 }
1155
1156 ieee->state = IEEE80211_ASSOCIATING_RETRY;
1157
1158 queue_delayed_work(ieee->wq, &ieee->associate_retry_wq,IEEE80211_SOFTMAC_ASSOC_RETRY_TIME);
1159
1160 spin_unlock_irqrestore(&ieee->lock, flags);
1161}
1162
1163void ieee80211_associate_abort_cb(unsigned long dev)
1164{
1165 ieee80211_associate_abort((struct ieee80211_device *) dev);
1166}
1167
1168
1169void ieee80211_associate_step1(struct ieee80211_device *ieee)
1170{
1171 struct ieee80211_network *beacon = &ieee->current_network;
1172 struct sk_buff *skb;
1173
1174 IEEE80211_DEBUG_MGMT("Stopping scan\n");
1175 ieee->softmac_stats.tx_auth_rq++;
1176 skb=ieee80211_authentication_req(beacon, ieee, 0);
1177 if (!skb){
1178
1179 ieee80211_associate_abort(ieee);
1180 }
1181 else{
1182 ieee->state = IEEE80211_ASSOCIATING_AUTHENTICATING ;
1183 IEEE80211_DEBUG_MGMT("Sending authentication request\n");
1184
1185 softmac_mgmt_xmit(skb, ieee);
1186
1187 if(!timer_pending(&ieee->associate_timer)){
1188 ieee->associate_timer.expires = jiffies + (HZ / 2);
1189 add_timer(&ieee->associate_timer);
1190 }
1191
1192
1193
1194
1195
1196 }
1197}
1198
1199void ieee80211_auth_challenge(struct ieee80211_device *ieee, u8 *challenge, int chlen)
1200{
1201 u8 *c;
1202 struct sk_buff *skb;
1203 struct ieee80211_network *beacon = &ieee->current_network;
1204
1205 del_timer_sync(&ieee->associate_timer);
1206 ieee->associate_seq++;
1207 ieee->softmac_stats.tx_auth_rq++;
1208
1209 skb = ieee80211_authentication_req(beacon, ieee, chlen+2);
1210 if (!skb)
1211 ieee80211_associate_abort(ieee);
1212 else{
1213 c = skb_put(skb, chlen+2);
1214 *(c++) = MFIE_TYPE_CHALLENGE;
1215 *(c++) = chlen;
1216 memcpy(c, challenge, chlen);
1217
1218 IEEE80211_DEBUG_MGMT("Sending authentication challenge response\n");
1219
1220 ieee80211_encrypt_fragment(ieee, skb, sizeof(struct ieee80211_hdr_3addr ));
1221
1222 softmac_mgmt_xmit(skb, ieee);
1223 if (!timer_pending(&ieee->associate_timer)){
1224
1225 ieee->associate_timer.expires = jiffies + (HZ / 2);
1226 add_timer(&ieee->associate_timer);
1227 }
1228 dev_kfree_skb_any(skb);
1229 }
1230 kfree(challenge);
1231}
1232
1233void ieee80211_associate_step2(struct ieee80211_device *ieee)
1234{
1235 struct sk_buff* skb;
1236 struct ieee80211_network *beacon = &ieee->current_network;
1237
1238 del_timer_sync(&ieee->associate_timer);
1239
1240 IEEE80211_DEBUG_MGMT("Sending association request\n");
1241 ieee->softmac_stats.tx_ass_rq++;
1242 skb=ieee80211_association_req(beacon, ieee);
1243 if (!skb)
1244 ieee80211_associate_abort(ieee);
1245 else{
1246 softmac_mgmt_xmit(skb, ieee);
1247 if (!timer_pending(&ieee->associate_timer)){
1248 ieee->associate_timer.expires = jiffies + (HZ / 2);
1249 add_timer(&ieee->associate_timer);
1250 }
1251
1252 }
1253}
1254
1255void ieee80211_associate_complete_wq(struct work_struct *work)
1256{
1257 struct ieee80211_device *ieee = container_of(work, struct ieee80211_device, associate_complete_wq);
1258
1259 printk(KERN_INFO "Associated successfully\n");
1260 if(ieee80211_is_54g(ieee->current_network) &&
1261 (ieee->modulation & IEEE80211_OFDM_MODULATION)){
1262
1263 ieee->rate = 540;
1264 printk(KERN_INFO"Using G rates\n");
1265 }else{
1266 ieee->rate = 110;
1267 printk(KERN_INFO"Using B rates\n");
1268 }
1269 ieee->link_change(ieee->dev);
1270 notify_wx_assoc_event(ieee);
1271 if (ieee->data_hard_resume)
1272 ieee->data_hard_resume(ieee->dev);
1273 netif_carrier_on(ieee->dev);
1274}
1275
1276void ieee80211_associate_complete(struct ieee80211_device *ieee)
1277{
1278 int i;
1279 del_timer_sync(&ieee->associate_timer);
1280
1281 for(i = 0; i < 6; i++) {
1282
1283 }
1284 ieee->state = IEEE80211_LINKED;
1285 IEEE80211_DEBUG_MGMT("Successfully associated\n");
1286
1287 queue_work(ieee->wq, &ieee->associate_complete_wq);
1288}
1289
1290void ieee80211_associate_procedure_wq(struct work_struct *work)
1291{
1292 struct ieee80211_device *ieee = container_of(work, struct ieee80211_device, associate_procedure_wq);
1293
1294 ieee->sync_scan_hurryup = 1;
1295 down(&ieee->wx_sem);
1296
1297 if (ieee->data_hard_stop)
1298 ieee->data_hard_stop(ieee->dev);
1299
1300 ieee80211_stop_scan(ieee);
1301 ieee->set_chan(ieee->dev, ieee->current_network.channel);
1302
1303 ieee->associate_seq = 1;
1304 ieee80211_associate_step1(ieee);
1305
1306 up(&ieee->wx_sem);
1307}
1308
1309inline void ieee80211_softmac_new_net(struct ieee80211_device *ieee, struct ieee80211_network *net)
1310{
1311 u8 tmp_ssid[IW_ESSID_MAX_SIZE+1];
1312 int tmp_ssid_len = 0;
1313
1314 short apset,ssidset,ssidbroad,apmatch,ssidmatch;
1315
1316
1317
1318
1319 if (ieee->state != IEEE80211_NOLINK)
1320 return;
1321
1322 if ((ieee->iw_mode == IW_MODE_INFRA) && !(net->capability & WLAN_CAPABILITY_BSS))
1323 return;
1324
1325 if ((ieee->iw_mode == IW_MODE_ADHOC) && !(net->capability & WLAN_CAPABILITY_IBSS))
1326 return;
1327
1328
1329 if (ieee->iw_mode == IW_MODE_INFRA || ieee->iw_mode == IW_MODE_ADHOC){
1330
1331
1332
1333
1334 apset = ieee->wap_set;
1335 ssidset = ieee->ssid_set;
1336 ssidbroad = !(net->ssid_len == 0 || net->ssid[0]== '\0');
1337 apmatch = (memcmp(ieee->current_network.bssid, net->bssid, ETH_ALEN)==0);
1338
1339 if(ieee->current_network.ssid_len != net->ssid_len)
1340 ssidmatch = 0;
1341 else
1342 ssidmatch = (0==strncmp(ieee->current_network.ssid, net->ssid, net->ssid_len));
1343
1344
1345
1346
1347 if (
1348
1349
1350
1351
1352 ( apset && apmatch &&
1353 ((ssidset && ssidbroad && ssidmatch) || (ssidbroad && !ssidset) || (!ssidbroad && ssidset)) ) ||
1354
1355
1356
1357 (!apset && ssidset && ssidbroad && ssidmatch)
1358 ){
1359
1360
1361
1362
1363
1364 if (!ssidbroad){
1365 strncpy(tmp_ssid, ieee->current_network.ssid, IW_ESSID_MAX_SIZE);
1366 tmp_ssid_len = ieee->current_network.ssid_len;
1367 }
1368 memcpy(&ieee->current_network, net, sizeof(struct ieee80211_network));
1369
1370 if (!ssidbroad){
1371 strncpy(ieee->current_network.ssid, tmp_ssid, IW_ESSID_MAX_SIZE);
1372 ieee->current_network.ssid_len = tmp_ssid_len;
1373 }
1374 printk(KERN_INFO"Linking with %s: channel is %d\n",ieee->current_network.ssid,ieee->current_network.channel);
1375
1376 if (ieee->iw_mode == IW_MODE_INFRA){
1377 ieee->state = IEEE80211_ASSOCIATING;
1378 ieee->beinretry = false;
1379 queue_work(ieee->wq, &ieee->associate_procedure_wq);
1380 }else{
1381 if(ieee80211_is_54g(ieee->current_network) &&
1382 (ieee->modulation & IEEE80211_OFDM_MODULATION)){
1383 ieee->rate = 540;
1384 printk(KERN_INFO"Using G rates\n");
1385 }else{
1386 ieee->rate = 110;
1387 printk(KERN_INFO"Using B rates\n");
1388 }
1389 ieee->state = IEEE80211_LINKED;
1390 ieee->beinretry = false;
1391 }
1392
1393 }
1394 }
1395
1396}
1397
1398void ieee80211_softmac_check_all_nets(struct ieee80211_device *ieee)
1399{
1400 unsigned long flags;
1401 struct ieee80211_network *target;
1402
1403 spin_lock_irqsave(&ieee->lock, flags);
1404 list_for_each_entry(target, &ieee->network_list, list) {
1405
1406
1407
1408
1409
1410 if (ieee->state != IEEE80211_NOLINK)
1411 break;
1412
1413 if (ieee->scan_age == 0 || time_after(target->last_scanned + ieee->scan_age, jiffies))
1414 ieee80211_softmac_new_net(ieee, target);
1415 }
1416
1417 spin_unlock_irqrestore(&ieee->lock, flags);
1418
1419}
1420
1421
1422static inline u16 auth_parse(struct sk_buff *skb, u8** challenge, int *chlen)
1423{
1424 struct ieee80211_authentication *a;
1425 u8 *t;
1426 if (skb->len < (sizeof(struct ieee80211_authentication)-sizeof(struct ieee80211_info_element))){
1427 IEEE80211_DEBUG_MGMT("invalid len in auth resp: %d\n",skb->len);
1428 return 0xcafe;
1429 }
1430 *challenge = NULL;
1431 a = (struct ieee80211_authentication*) skb->data;
1432 if(skb->len > (sizeof(struct ieee80211_authentication) +3)){
1433 t = skb->data + sizeof(struct ieee80211_authentication);
1434
1435 if(*(t++) == MFIE_TYPE_CHALLENGE){
1436 *chlen = *(t++);
1437 *challenge = (u8*)kmalloc(*chlen, GFP_ATOMIC);
1438 memcpy(*challenge, t, *chlen);
1439 }
1440 }
1441
1442 return cpu_to_le16(a->status);
1443
1444}
1445
1446
1447int auth_rq_parse(struct sk_buff *skb,u8* dest)
1448{
1449 struct ieee80211_authentication *a;
1450
1451 if (skb->len < (sizeof(struct ieee80211_authentication)-sizeof(struct ieee80211_info_element))){
1452 IEEE80211_DEBUG_MGMT("invalid len in auth request: %d\n",skb->len);
1453 return -1;
1454 }
1455 a = (struct ieee80211_authentication*) skb->data;
1456
1457 memcpy(dest,a->header.addr2, ETH_ALEN);
1458
1459 if (le16_to_cpu(a->algorithm) != WLAN_AUTH_OPEN)
1460 return WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG;
1461
1462 return WLAN_STATUS_SUCCESS;
1463}
1464
1465static short probe_rq_parse(struct ieee80211_device *ieee, struct sk_buff *skb, u8 *src)
1466{
1467 u8 *tag;
1468 u8 *skbend;
1469 u8 *ssid=NULL;
1470 u8 ssidlen = 0;
1471
1472 struct ieee80211_hdr_3addr *header =
1473 (struct ieee80211_hdr_3addr *) skb->data;
1474
1475 if (skb->len < sizeof (struct ieee80211_hdr_3addr ))
1476 return -1;
1477
1478 memcpy(src,header->addr2, ETH_ALEN);
1479
1480 skbend = (u8*)skb->data + skb->len;
1481
1482 tag = skb->data + sizeof (struct ieee80211_hdr_3addr );
1483
1484 while (tag+1 < skbend){
1485 if (*tag == 0){
1486 ssid = tag+2;
1487 ssidlen = *(tag+1);
1488 break;
1489 }
1490 tag++;
1491 tag = tag + *(tag);
1492 tag++;
1493 }
1494
1495
1496 if (ssidlen == 0) return 1;
1497
1498 if (!ssid) return 1;
1499 return (!strncmp(ssid, ieee->current_network.ssid, ssidlen));
1500
1501}
1502
1503int assoc_rq_parse(struct sk_buff *skb,u8* dest)
1504{
1505 struct ieee80211_assoc_request_frame *a;
1506
1507 if (skb->len < (sizeof(struct ieee80211_assoc_request_frame) -
1508 sizeof(struct ieee80211_info_element))) {
1509
1510 IEEE80211_DEBUG_MGMT("invalid len in auth request:%d \n", skb->len);
1511 return -1;
1512 }
1513
1514 a = (struct ieee80211_assoc_request_frame*) skb->data;
1515
1516 memcpy(dest,a->header.addr2,ETH_ALEN);
1517
1518 return 0;
1519}
1520
1521static inline u16 assoc_parse(struct sk_buff *skb, int *aid)
1522{
1523 struct ieee80211_assoc_response_frame *a;
1524 if (skb->len < sizeof(struct ieee80211_assoc_response_frame)){
1525 IEEE80211_DEBUG_MGMT("invalid len in auth resp: %d\n", skb->len);
1526 return 0xcafe;
1527 }
1528
1529 a = (struct ieee80211_assoc_response_frame*) skb->data;
1530 *aid = le16_to_cpu(a->aid) & 0x3fff;
1531 return le16_to_cpu(a->status);
1532}
1533
1534static inline void
1535ieee80211_rx_probe_rq(struct ieee80211_device *ieee, struct sk_buff *skb)
1536{
1537 u8 dest[ETH_ALEN];
1538
1539
1540 ieee->softmac_stats.rx_probe_rq++;
1541
1542 if (probe_rq_parse(ieee, skb, dest)){
1543
1544 ieee->softmac_stats.tx_probe_rs++;
1545 ieee80211_resp_to_probe(ieee, dest);
1546 }
1547}
1548
1549inline void
1550ieee80211_rx_auth_rq(struct ieee80211_device *ieee, struct sk_buff *skb)
1551{
1552 u8 dest[ETH_ALEN];
1553 int status;
1554
1555 ieee->softmac_stats.rx_auth_rq++;
1556
1557 if ((status = auth_rq_parse(skb, dest))!= -1){
1558 ieee80211_resp_to_auth(ieee, status, dest);
1559 }
1560
1561
1562}
1563
1564 inline void
1565ieee80211_rx_assoc_rq(struct ieee80211_device *ieee, struct sk_buff *skb)
1566{
1567
1568 u8 dest[ETH_ALEN];
1569
1570
1571 ieee->softmac_stats.rx_ass_rq++;
1572 if (assoc_rq_parse(skb,dest) != -1){
1573 ieee80211_resp_to_assoc_rq(ieee, dest);
1574 }
1575
1576 printk(KERN_INFO"New client associated: "MAC_FMT"\n", MAC_ARG(dest));
1577}
1578
1579
1580
1581void ieee80211_sta_ps_send_null_frame(struct ieee80211_device *ieee, short pwr)
1582{
1583
1584 struct sk_buff *buf = ieee80211_null_func(ieee, pwr);
1585
1586 if (buf)
1587 softmac_ps_mgmt_xmit(buf, ieee);
1588
1589}
1590
1591
1592short ieee80211_sta_ps_sleep(struct ieee80211_device *ieee, u32 *time_h, u32 *time_l)
1593{
1594 int timeout = 0;
1595
1596 u8 dtim;
1597
1598
1599
1600
1601
1602
1603 dtim = ieee->current_network.dtim_data;
1604
1605
1606 if(!(dtim & IEEE80211_DTIM_VALID))
1607 return 0;
1608 else
1609 timeout = ieee->current_network.beacon_interval;
1610
1611
1612 ieee->current_network.dtim_data = IEEE80211_DTIM_INVALID;
1613
1614 if(dtim & ((IEEE80211_DTIM_UCAST | IEEE80211_DTIM_MBCAST)& ieee->ps))
1615 return 2;
1616
1617 if(!time_after(jiffies, ieee->dev->trans_start + MSECS(timeout)))
1618 return 0;
1619
1620 if(!time_after(jiffies, ieee->last_rx_ps_time + MSECS(timeout)))
1621 return 0;
1622
1623 if((ieee->softmac_features & IEEE_SOFTMAC_SINGLE_QUEUE ) &&
1624 (ieee->mgmt_queue_tail != ieee->mgmt_queue_head))
1625 return 0;
1626
1627 if(time_l){
1628 *time_l = ieee->current_network.last_dtim_sta_time[0]
1629 + MSECS((ieee->current_network.beacon_interval));
1630
1631
1632 }
1633
1634 if(time_h){
1635 *time_h = ieee->current_network.last_dtim_sta_time[1];
1636 if(time_l && *time_l < ieee->current_network.last_dtim_sta_time[0])
1637 *time_h += 1;
1638 }
1639
1640 return 1;
1641
1642
1643}
1644
1645inline void ieee80211_sta_ps(struct ieee80211_device *ieee)
1646{
1647
1648 u32 th,tl;
1649 short sleep;
1650
1651 unsigned long flags,flags2;
1652
1653 spin_lock_irqsave(&ieee->lock, flags);
1654
1655 if((ieee->ps == IEEE80211_PS_DISABLED ||
1656
1657 ieee->iw_mode != IW_MODE_INFRA ||
1658 ieee->state != IEEE80211_LINKED)){
1659
1660
1661 spin_lock_irqsave(&ieee->mgmt_tx_lock, flags2);
1662
1663 ieee80211_sta_wakeup(ieee, 1);
1664
1665 spin_unlock_irqrestore(&ieee->mgmt_tx_lock, flags2);
1666 }
1667
1668 sleep = ieee80211_sta_ps_sleep(ieee,&th, &tl);
1669
1670
1671 if(sleep == 0)
1672 goto out;
1673
1674 if(sleep == 1){
1675
1676 if(ieee->sta_sleep == 1)
1677 ieee->enter_sleep_state(ieee->dev,th,tl);
1678
1679 else if(ieee->sta_sleep == 0){
1680
1681 spin_lock_irqsave(&ieee->mgmt_tx_lock, flags2);
1682
1683 if(ieee->ps_is_queue_empty(ieee->dev)){
1684
1685
1686 ieee->sta_sleep = 2;
1687
1688 ieee->ps_request_tx_ack(ieee->dev);
1689
1690 ieee80211_sta_ps_send_null_frame(ieee,1);
1691
1692 ieee->ps_th = th;
1693 ieee->ps_tl = tl;
1694 }
1695 spin_unlock_irqrestore(&ieee->mgmt_tx_lock, flags2);
1696
1697 }
1698
1699
1700 }else if(sleep == 2){
1701
1702 spin_lock_irqsave(&ieee->mgmt_tx_lock, flags2);
1703
1704
1705 ieee80211_sta_wakeup(ieee,1);
1706
1707 spin_unlock_irqrestore(&ieee->mgmt_tx_lock, flags2);
1708 }
1709
1710out:
1711 spin_unlock_irqrestore(&ieee->lock, flags);
1712
1713}
1714
1715void ieee80211_sta_wakeup(struct ieee80211_device *ieee, short nl)
1716{
1717 if(ieee->sta_sleep == 0){
1718 if(nl){
1719
1720 ieee->ps_request_tx_ack(ieee->dev);
1721 ieee80211_sta_ps_send_null_frame(ieee, 0);
1722 }
1723 return;
1724
1725 }
1726
1727 if(ieee->sta_sleep == 1)
1728 ieee->sta_wake_up(ieee->dev);
1729
1730 ieee->sta_sleep = 0;
1731
1732 if(nl){
1733 ieee->ps_request_tx_ack(ieee->dev);
1734 ieee80211_sta_ps_send_null_frame(ieee, 0);
1735 }
1736}
1737
1738void ieee80211_ps_tx_ack(struct ieee80211_device *ieee, short success)
1739{
1740 unsigned long flags,flags2;
1741
1742 spin_lock_irqsave(&ieee->lock, flags);
1743 if(ieee->sta_sleep == 2){
1744
1745 if(success){
1746
1747
1748 ieee->sta_sleep = 1;
1749 ieee->enter_sleep_state(ieee->dev,ieee->ps_th,ieee->ps_tl);
1750 }
1751
1752
1753
1754 }
1755
1756 else {
1757
1758 if((ieee->sta_sleep == 0) && !success){
1759 spin_lock_irqsave(&ieee->mgmt_tx_lock, flags2);
1760 ieee80211_sta_ps_send_null_frame(ieee, 0);
1761 spin_unlock_irqrestore(&ieee->mgmt_tx_lock, flags2);
1762 }
1763 }
1764 spin_unlock_irqrestore(&ieee->lock, flags);
1765}
1766
1767inline int
1768ieee80211_rx_frame_softmac(struct ieee80211_device *ieee, struct sk_buff *skb,
1769 struct ieee80211_rx_stats *rx_stats, u16 type,
1770 u16 stype)
1771{
1772 struct ieee80211_hdr_3addr *header = (struct ieee80211_hdr_3addr *) skb->data;
1773 u16 errcode;
1774 u8* challenge=NULL;
1775 int chlen=0;
1776 int aid=0;
1777 struct ieee80211_assoc_response_frame *assoc_resp;
1778 struct ieee80211_info_element *info_element;
1779
1780 if(!ieee->proto_started)
1781 return 0;
1782
1783 if(ieee->sta_sleep || (ieee->ps != IEEE80211_PS_DISABLED &&
1784 ieee->iw_mode == IW_MODE_INFRA &&
1785 ieee->state == IEEE80211_LINKED))
1786
1787 tasklet_schedule(&ieee->ps_task);
1788
1789 if(WLAN_FC_GET_STYPE(header->frame_ctl) != IEEE80211_STYPE_PROBE_RESP &&
1790 WLAN_FC_GET_STYPE(header->frame_ctl) != IEEE80211_STYPE_BEACON)
1791 ieee->last_rx_ps_time = jiffies;
1792
1793 switch (WLAN_FC_GET_STYPE(header->frame_ctl)) {
1794
1795 case IEEE80211_STYPE_ASSOC_RESP:
1796 case IEEE80211_STYPE_REASSOC_RESP:
1797
1798 IEEE80211_DEBUG_MGMT("received [RE]ASSOCIATION RESPONSE (%d)\n",
1799 WLAN_FC_GET_STYPE(header->frame_ctl));
1800 if ((ieee->softmac_features & IEEE_SOFTMAC_ASSOCIATE) &&
1801 ieee->state == IEEE80211_ASSOCIATING_AUTHENTICATED &&
1802 ieee->iw_mode == IW_MODE_INFRA){
1803 if (0 == (errcode=assoc_parse(skb, &aid))){
1804 u16 left;
1805
1806 ieee->state=IEEE80211_LINKED;
1807 ieee->assoc_id = aid;
1808 ieee->softmac_stats.rx_ass_ok++;
1809
1810
1811 if(1 == rx_stats->nic_type)
1812 {
1813 goto associate_complete;
1814 }
1815 assoc_resp = (struct ieee80211_assoc_response_frame*)skb->data;
1816 info_element = &assoc_resp->info_element;
1817 left = skb->len - ((void*)info_element - (void*)assoc_resp);
1818
1819 while (left >= sizeof(struct ieee80211_info_element_hdr)) {
1820 if (sizeof(struct ieee80211_info_element_hdr) + info_element->len > left) {
1821 printk(KERN_WARNING "[re]associate reeponse error!");
1822 return 1;
1823 }
1824 switch (info_element->id) {
1825 case MFIE_TYPE_GENERIC:
1826 IEEE80211_DEBUG_SCAN("MFIE_TYPE_GENERIC: %d bytes\n", info_element->len);
1827 if (info_element->len >= 8 &&
1828 info_element->data[0] == 0x00 &&
1829 info_element->data[1] == 0x50 &&
1830 info_element->data[2] == 0xf2 &&
1831 info_element->data[3] == 0x02 &&
1832 info_element->data[4] == 0x01) {
1833
1834
1835 memcpy(ieee->current_network.wmm_param,(u8*)(info_element->data\
1836 + 8),(info_element->len - 8));
1837
1838 if (((ieee->current_network.wmm_info^info_element->data[6])& \
1839 0x0f)||(!ieee->init_wmmparam_flag)) {
1840
1841
1842 ieee->init_wmmparam_flag = 1;
1843 queue_work(ieee->wq, &ieee->wmm_param_update_wq);
1844
1845 }
1846
1847 ieee->current_network.wmm_info = info_element->data[6];
1848 }
1849 break;
1850 default:
1851
1852 break;
1853 }
1854
1855 left -= sizeof(struct ieee80211_info_element_hdr) +
1856 info_element->len;
1857 info_element = (struct ieee80211_info_element *)
1858 &info_element->data[info_element->len];
1859 }
1860 if(!ieee->init_wmmparam_flag)
1861 {
1862 queue_work(ieee->wq,&ieee->wmm_param_update_wq);
1863 ieee->init_wmmparam_flag = 1;
1864 }
1865associate_complete:
1866 ieee80211_associate_complete(ieee);
1867 }else{
1868 ieee->softmac_stats.rx_ass_err++;
1869 IEEE80211_DEBUG_MGMT(
1870 "Association response status code 0x%x\n",
1871 errcode);
1872 ieee80211_associate_abort(ieee);
1873 }
1874 }
1875 break;
1876
1877 case IEEE80211_STYPE_ASSOC_REQ:
1878 case IEEE80211_STYPE_REASSOC_REQ:
1879
1880 if ((ieee->softmac_features & IEEE_SOFTMAC_ASSOCIATE) &&
1881 ieee->iw_mode == IW_MODE_MASTER)
1882
1883 ieee80211_rx_assoc_rq(ieee, skb);
1884 break;
1885
1886 case IEEE80211_STYPE_AUTH:
1887
1888 if (ieee->softmac_features & IEEE_SOFTMAC_ASSOCIATE){
1889 if (ieee->state == IEEE80211_ASSOCIATING_AUTHENTICATING &&
1890 ieee->iw_mode == IW_MODE_INFRA){
1891
1892 IEEE80211_DEBUG_MGMT("Received authentication response");
1893
1894 if (0 == (errcode=auth_parse(skb, &challenge, &chlen))){
1895 if(ieee->open_wep || !challenge){
1896 ieee->state = IEEE80211_ASSOCIATING_AUTHENTICATED;
1897 ieee->softmac_stats.rx_auth_rs_ok++;
1898
1899 ieee80211_associate_step2(ieee);
1900 }else{
1901 ieee80211_auth_challenge(ieee, challenge, chlen);
1902 }
1903 }else{
1904 ieee->softmac_stats.rx_auth_rs_err++;
1905 IEEE80211_DEBUG_MGMT("Authentication respose status code 0x%x",errcode);
1906 ieee80211_associate_abort(ieee);
1907 }
1908
1909 }else if (ieee->iw_mode == IW_MODE_MASTER){
1910 ieee80211_rx_auth_rq(ieee, skb);
1911 }
1912 }
1913 break;
1914
1915 case IEEE80211_STYPE_PROBE_REQ:
1916
1917 if ((ieee->softmac_features & IEEE_SOFTMAC_PROBERS) &&
1918 ((ieee->iw_mode == IW_MODE_ADHOC ||
1919 ieee->iw_mode == IW_MODE_MASTER) &&
1920 ieee->state == IEEE80211_LINKED))
1921
1922 ieee80211_rx_probe_rq(ieee, skb);
1923 break;
1924
1925 case IEEE80211_STYPE_DISASSOC:
1926 case IEEE80211_STYPE_DEAUTH:
1927
1928
1929
1930 if ((ieee->softmac_features & IEEE_SOFTMAC_ASSOCIATE) &&
1931 (ieee->state == IEEE80211_LINKED) &&
1932 (ieee->iw_mode == IW_MODE_INFRA) &&
1933 (!memcmp(header->addr2,ieee->current_network.bssid,ETH_ALEN))){
1934 ieee->state = IEEE80211_ASSOCIATING;
1935 ieee->softmac_stats.reassoc++;
1936
1937
1938 queue_work(ieee->wq, &ieee->associate_procedure_wq);
1939 }
1940
1941 break;
1942
1943 default:
1944 return -1;
1945 break;
1946 }
1947
1948
1949 return 0;
1950}
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973void ieee80211_softmac_xmit(struct ieee80211_txb *txb, struct ieee80211_device *ieee)
1974{
1975
1976
1977 unsigned long flags;
1978 int i;
1979
1980 spin_lock_irqsave(&ieee->lock,flags);
1981
1982
1983 ieee80211_sta_wakeup(ieee,0);
1984
1985 for(i = 0; i < txb->nr_frags; i++) {
1986
1987 if (ieee->queue_stop){
1988 ieee->tx_pending.txb = txb;
1989 ieee->tx_pending.frag = i;
1990 goto exit;
1991 }else{
1992 ieee->softmac_data_hard_start_xmit(
1993 txb->fragments[i],
1994 ieee->dev,ieee->rate);
1995
1996 ieee->stats.tx_packets++;
1997 ieee->stats.tx_bytes += txb->fragments[i]->len;
1998 ieee->dev->trans_start = jiffies;
1999 }
2000 }
2001
2002 ieee80211_txb_free(txb);
2003
2004 exit:
2005 spin_unlock_irqrestore(&ieee->lock,flags);
2006
2007}
2008
2009
2010void ieee80211_resume_tx(struct ieee80211_device *ieee)
2011{
2012 int i;
2013 for(i = ieee->tx_pending.frag; i < ieee->tx_pending.txb->nr_frags; i++) {
2014
2015 if (ieee->queue_stop){
2016 ieee->tx_pending.frag = i;
2017 return;
2018 }else{
2019
2020 ieee->softmac_data_hard_start_xmit(
2021 ieee->tx_pending.txb->fragments[i],
2022 ieee->dev,ieee->rate);
2023
2024 ieee->stats.tx_packets++;
2025 ieee->dev->trans_start = jiffies;
2026 }
2027 }
2028
2029
2030 ieee80211_txb_free(ieee->tx_pending.txb);
2031 ieee->tx_pending.txb = NULL;
2032}
2033
2034
2035void ieee80211_reset_queue(struct ieee80211_device *ieee)
2036{
2037 unsigned long flags;
2038
2039 spin_lock_irqsave(&ieee->lock,flags);
2040 init_mgmt_queue(ieee);
2041 if (ieee->tx_pending.txb){
2042 ieee80211_txb_free(ieee->tx_pending.txb);
2043 ieee->tx_pending.txb = NULL;
2044 }
2045 ieee->queue_stop = 0;
2046 spin_unlock_irqrestore(&ieee->lock,flags);
2047
2048}
2049
2050void ieee80211_wake_queue(struct ieee80211_device *ieee)
2051{
2052
2053 unsigned long flags;
2054 struct sk_buff *skb;
2055 struct ieee80211_hdr_3addr *header;
2056
2057 spin_lock_irqsave(&ieee->lock,flags);
2058 if (! ieee->queue_stop) goto exit;
2059
2060 ieee->queue_stop = 0;
2061
2062 if(ieee->softmac_features & IEEE_SOFTMAC_SINGLE_QUEUE){
2063 while (!ieee->queue_stop && (skb = dequeue_mgmt(ieee))){
2064
2065 header = (struct ieee80211_hdr_3addr *) skb->data;
2066
2067 header->seq_ctl = cpu_to_le16(ieee->seq_ctrl[0] << 4);
2068
2069 if (ieee->seq_ctrl[0] == 0xFFF)
2070 ieee->seq_ctrl[0] = 0;
2071 else
2072 ieee->seq_ctrl[0]++;
2073
2074
2075 ieee->softmac_data_hard_start_xmit(skb,ieee->dev,ieee->basic_rate);
2076 dev_kfree_skb_any(skb);
2077 }
2078 }
2079 if (!ieee->queue_stop && ieee->tx_pending.txb)
2080 ieee80211_resume_tx(ieee);
2081
2082 if (!ieee->queue_stop && netif_queue_stopped(ieee->dev)){
2083 ieee->softmac_stats.swtxawake++;
2084 netif_wake_queue(ieee->dev);
2085 }
2086
2087exit :
2088 spin_unlock_irqrestore(&ieee->lock,flags);
2089}
2090
2091
2092void ieee80211_stop_queue(struct ieee80211_device *ieee)
2093{
2094
2095
2096
2097 if (! netif_queue_stopped(ieee->dev)){
2098 netif_stop_queue(ieee->dev);
2099 ieee->softmac_stats.swtxstop++;
2100 }
2101 ieee->queue_stop = 1;
2102
2103
2104}
2105
2106
2107inline void ieee80211_randomize_cell(struct ieee80211_device *ieee)
2108{
2109
2110 get_random_bytes(ieee->current_network.bssid, ETH_ALEN);
2111
2112
2113
2114
2115 ieee->current_network.bssid[0] &= ~0x01;
2116 ieee->current_network.bssid[0] |= 0x02;
2117}
2118
2119
2120void ieee80211_start_master_bss(struct ieee80211_device *ieee)
2121{
2122 ieee->assoc_id = 1;
2123
2124 if (ieee->current_network.ssid_len == 0){
2125 strncpy(ieee->current_network.ssid,
2126 IEEE80211_DEFAULT_TX_ESSID,
2127 IW_ESSID_MAX_SIZE);
2128
2129 ieee->current_network.ssid_len = strlen(IEEE80211_DEFAULT_TX_ESSID);
2130 ieee->ssid_set = 1;
2131 }
2132
2133 memcpy(ieee->current_network.bssid, ieee->dev->dev_addr, ETH_ALEN);
2134
2135 ieee->set_chan(ieee->dev, ieee->current_network.channel);
2136 ieee->state = IEEE80211_LINKED;
2137 ieee->link_change(ieee->dev);
2138 notify_wx_assoc_event(ieee);
2139
2140 if (ieee->data_hard_resume)
2141 ieee->data_hard_resume(ieee->dev);
2142
2143 netif_carrier_on(ieee->dev);
2144}
2145
2146void ieee80211_start_monitor_mode(struct ieee80211_device *ieee)
2147{
2148 if(ieee->raw_tx){
2149
2150 if (ieee->data_hard_resume)
2151 ieee->data_hard_resume(ieee->dev);
2152
2153 netif_carrier_on(ieee->dev);
2154 }
2155}
2156
2157void ieee80211_start_ibss_wq(struct work_struct *work)
2158{
2159 struct delayed_work *dwork = to_delayed_work(work);
2160 struct ieee80211_device *ieee = container_of(dwork, struct ieee80211_device, start_ibss_wq);
2161
2162
2163
2164
2165
2166
2167
2168
2169
2170 down(&ieee->wx_sem);
2171
2172
2173 if (ieee->current_network.ssid_len == 0){
2174 strcpy(ieee->current_network.ssid,IEEE80211_DEFAULT_TX_ESSID);
2175 ieee->current_network.ssid_len = strlen(IEEE80211_DEFAULT_TX_ESSID);
2176 ieee->ssid_set = 1;
2177 }
2178
2179
2180 ieee80211_softmac_check_all_nets(ieee);
2181
2182 if(ieee->state == IEEE80211_NOLINK)
2183 ieee->current_network.channel = 10;
2184
2185
2186
2187
2188
2189
2190
2191
2192
2193
2194
2195
2196
2197
2198 if (ieee->state == IEEE80211_NOLINK)
2199 ieee80211_start_scan_syncro(ieee);
2200
2201
2202 if (ieee->state == IEEE80211_NOLINK){
2203 printk("creating new IBSS cell\n");
2204 if(!ieee->wap_set)
2205 ieee80211_randomize_cell(ieee);
2206
2207 if(ieee->modulation & IEEE80211_CCK_MODULATION){
2208
2209 ieee->current_network.rates_len = 4;
2210
2211 ieee->current_network.rates[0] = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_1MB;
2212 ieee->current_network.rates[1] = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_2MB;
2213 ieee->current_network.rates[2] = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_5MB;
2214 ieee->current_network.rates[3] = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_11MB;
2215
2216 }else
2217 ieee->current_network.rates_len = 0;
2218
2219 if(ieee->modulation & IEEE80211_OFDM_MODULATION){
2220 ieee->current_network.rates_ex_len = 8;
2221
2222 ieee->current_network.rates_ex[0] = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_6MB;
2223 ieee->current_network.rates_ex[1] = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_9MB;
2224 ieee->current_network.rates_ex[2] = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_12MB;
2225 ieee->current_network.rates_ex[3] = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_18MB;
2226 ieee->current_network.rates_ex[4] = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_24MB;
2227 ieee->current_network.rates_ex[5] = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_36MB;
2228 ieee->current_network.rates_ex[6] = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_48MB;
2229 ieee->current_network.rates_ex[7] = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_54MB;
2230
2231 ieee->rate = 540;
2232 }else{
2233 ieee->current_network.rates_ex_len = 0;
2234 ieee->rate = 110;
2235 }
2236
2237
2238 ieee->current_network.QoS_Enable = 0;
2239
2240 ieee->current_network.atim_window = 0;
2241 ieee->current_network.capability = WLAN_CAPABILITY_IBSS;
2242 if(ieee->short_slot)
2243 ieee->current_network.capability |= WLAN_CAPABILITY_SHORT_SLOT;
2244
2245 }
2246
2247 ieee->state = IEEE80211_LINKED;
2248 ieee->set_chan(ieee->dev, ieee->current_network.channel);
2249 ieee->link_change(ieee->dev);
2250
2251 notify_wx_assoc_event(ieee);
2252
2253 ieee80211_start_send_beacons(ieee);
2254 printk(KERN_WARNING "after sending beacon packet!\n");
2255
2256 if (ieee->data_hard_resume)
2257 ieee->data_hard_resume(ieee->dev);
2258
2259 netif_carrier_on(ieee->dev);
2260
2261 up(&ieee->wx_sem);
2262}
2263inline void ieee80211_start_ibss(struct ieee80211_device *ieee)
2264{
2265 queue_delayed_work(ieee->wq, &ieee->start_ibss_wq, 100);
2266}
2267
2268
2269void ieee80211_start_bss(struct ieee80211_device *ieee)
2270{
2271 unsigned long flags;
2272
2273
2274
2275
2276 if(IS_DOT11D_ENABLE(ieee) && !IS_COUNTRY_IE_VALID(ieee))
2277 {
2278 if(! ieee->bGlobalDomain)
2279 {
2280 return;
2281 }
2282 }
2283
2284
2285
2286
2287
2288 ieee80211_softmac_check_all_nets(ieee);
2289
2290
2291
2292
2293
2294
2295
2296
2297 spin_lock_irqsave(&ieee->lock, flags);
2298
2299
2300
2301
2302 if (ieee->state == IEEE80211_NOLINK){
2303 ieee->actscanning = true;
2304 ieee80211_start_scan(ieee);
2305 }
2306
2307 spin_unlock_irqrestore(&ieee->lock, flags);
2308}
2309
2310
2311void ieee80211_disassociate(struct ieee80211_device *ieee)
2312{
2313 netif_carrier_off(ieee->dev);
2314
2315 if (ieee->softmac_features & IEEE_SOFTMAC_TX_QUEUE)
2316 ieee80211_reset_queue(ieee);
2317
2318 if (ieee->data_hard_stop)
2319 ieee->data_hard_stop(ieee->dev);
2320
2321 if(IS_DOT11D_ENABLE(ieee))
2322 Dot11d_Reset(ieee);
2323 ieee->state = IEEE80211_NOLINK;
2324 ieee->link_change(ieee->dev);
2325 notify_wx_assoc_event(ieee);
2326
2327}
2328void ieee80211_associate_retry_wq(struct work_struct *work)
2329{
2330 struct delayed_work *dwork = to_delayed_work(work);
2331 struct ieee80211_device *ieee = container_of(dwork, struct ieee80211_device, associate_retry_wq);
2332 unsigned long flags;
2333 down(&ieee->wx_sem);
2334 if(!ieee->proto_started)
2335 goto exit;
2336 if(ieee->state != IEEE80211_ASSOCIATING_RETRY)
2337 goto exit;
2338
2339
2340
2341
2342
2343
2344
2345
2346
2347
2348
2349
2350
2351 ieee->state = IEEE80211_NOLINK;
2352 ieee->beinretry = true;
2353 ieee80211_softmac_check_all_nets(ieee);
2354
2355 spin_lock_irqsave(&ieee->lock, flags);
2356
2357 if(ieee->state == IEEE80211_NOLINK){
2358 ieee->beinretry = false;
2359 ieee->actscanning = true;
2360 ieee80211_start_scan(ieee);
2361 }
2362
2363 if(ieee->state == IEEE80211_NOLINK)
2364 {
2365 notify_wx_assoc_event(ieee);
2366 }
2367
2368 spin_unlock_irqrestore(&ieee->lock, flags);
2369
2370exit:
2371 up(&ieee->wx_sem);
2372}
2373
2374struct sk_buff *ieee80211_get_beacon_(struct ieee80211_device *ieee)
2375{
2376 u8 broadcast_addr[] = {0xff,0xff,0xff,0xff,0xff,0xff};
2377
2378 struct sk_buff *skb = NULL;
2379 struct ieee80211_probe_response *b;
2380
2381 skb = ieee80211_probe_resp(ieee, broadcast_addr);
2382 if (!skb)
2383 return NULL;
2384
2385 b = (struct ieee80211_probe_response *) skb->data;
2386 b->header.frame_ctl = cpu_to_le16(IEEE80211_STYPE_BEACON);
2387
2388 return skb;
2389
2390}
2391
2392struct sk_buff *ieee80211_get_beacon(struct ieee80211_device *ieee)
2393{
2394 struct sk_buff *skb;
2395 struct ieee80211_probe_response *b;
2396
2397 skb = ieee80211_get_beacon_(ieee);
2398 if(!skb)
2399 return NULL;
2400
2401 b = (struct ieee80211_probe_response *) skb->data;
2402 b->header.seq_ctrl = cpu_to_le16(ieee->seq_ctrl[0] << 4);
2403
2404 if (ieee->seq_ctrl[0] == 0xFFF)
2405 ieee->seq_ctrl[0] = 0;
2406 else
2407 ieee->seq_ctrl[0]++;
2408
2409 return skb;
2410}
2411
2412void ieee80211_softmac_stop_protocol(struct ieee80211_device *ieee)
2413{
2414 ieee->sync_scan_hurryup = 1;
2415 down(&ieee->wx_sem);
2416 ieee80211_stop_protocol(ieee);
2417 up(&ieee->wx_sem);
2418}
2419
2420
2421void ieee80211_stop_protocol(struct ieee80211_device *ieee)
2422{
2423 if (!ieee->proto_started)
2424 return;
2425
2426 ieee->proto_started = 0;
2427
2428 ieee80211_stop_send_beacons(ieee);
2429 if((ieee->iw_mode == IW_MODE_INFRA)&&(ieee->state == IEEE80211_LINKED)) {
2430 SendDisassociation(ieee,NULL,WLAN_REASON_DISASSOC_STA_HAS_LEFT);
2431 }
2432 del_timer_sync(&ieee->associate_timer);
2433 cancel_delayed_work(&ieee->associate_retry_wq);
2434 cancel_delayed_work(&ieee->start_ibss_wq);
2435 ieee80211_stop_scan(ieee);
2436
2437 ieee80211_disassociate(ieee);
2438}
2439
2440void ieee80211_softmac_start_protocol(struct ieee80211_device *ieee)
2441{
2442 ieee->sync_scan_hurryup = 0;
2443 down(&ieee->wx_sem);
2444 ieee80211_start_protocol(ieee);
2445 up(&ieee->wx_sem);
2446}
2447
2448void ieee80211_start_protocol(struct ieee80211_device *ieee)
2449{
2450 short ch = 0;
2451 int i = 0;
2452
2453 if (ieee->proto_started)
2454 return;
2455
2456 ieee->proto_started = 1;
2457
2458 if (ieee->current_network.channel == 0){
2459 do{
2460 ch++;
2461 if (ch > MAX_CHANNEL_NUMBER)
2462 return;
2463
2464 }while(!GET_DOT11D_INFO(ieee)->channel_map[ch]);
2465
2466 ieee->current_network.channel = ch;
2467 }
2468
2469 if (ieee->current_network.beacon_interval == 0)
2470 ieee->current_network.beacon_interval = 100;
2471 ieee->set_chan(ieee->dev,ieee->current_network.channel);
2472
2473 for(i = 0; i < 17; i++) {
2474 ieee->last_rxseq_num[i] = -1;
2475 ieee->last_rxfrag_num[i] = -1;
2476 ieee->last_packet_time[i] = 0;
2477 }
2478
2479 ieee->init_wmmparam_flag = 0;
2480
2481
2482
2483
2484
2485
2486
2487 switch (ieee->iw_mode) {
2488 case IW_MODE_AUTO:
2489 ieee->iw_mode = IW_MODE_INFRA;
2490
2491 case IW_MODE_INFRA:
2492 ieee80211_start_bss(ieee);
2493 break;
2494
2495 case IW_MODE_ADHOC:
2496 ieee80211_start_ibss(ieee);
2497 break;
2498
2499 case IW_MODE_MASTER:
2500 ieee80211_start_master_bss(ieee);
2501 break;
2502
2503 case IW_MODE_MONITOR:
2504 ieee80211_start_monitor_mode(ieee);
2505 break;
2506
2507 default:
2508 ieee->iw_mode = IW_MODE_INFRA;
2509 ieee80211_start_bss(ieee);
2510 break;
2511 }
2512}
2513
2514
2515#define DRV_NAME "Ieee80211"
2516void ieee80211_softmac_init(struct ieee80211_device *ieee)
2517{
2518 int i;
2519 memset(&ieee->current_network, 0, sizeof(struct ieee80211_network));
2520
2521 ieee->state = IEEE80211_NOLINK;
2522 ieee->sync_scan_hurryup = 0;
2523 for(i = 0; i < 5; i++) {
2524 ieee->seq_ctrl[i] = 0;
2525 }
2526
2527 ieee->assoc_id = 0;
2528 ieee->queue_stop = 0;
2529 ieee->scanning = 0;
2530 ieee->softmac_features = 0;
2531 ieee->wap_set = 0;
2532 ieee->ssid_set = 0;
2533 ieee->proto_started = 0;
2534 ieee->basic_rate = IEEE80211_DEFAULT_BASIC_RATE;
2535 ieee->rate = 3;
2536
2537 ieee->ps = IEEE80211_PS_MBCAST|IEEE80211_PS_UNICAST;
2538
2539
2540
2541 ieee->sta_sleep = 0;
2542
2543 ieee->bInactivePs = false;
2544 ieee->actscanning = false;
2545 ieee->ListenInterval = 2;
2546 ieee->NumRxDataInPeriod = 0;
2547 ieee->NumRxBcnInPeriod = 0;
2548 ieee->NumRxOkTotal = 0;
2549 ieee->NumRxUnicast = 0;
2550 ieee->beinretry = false;
2551 ieee->bHwRadioOff = false;
2552
2553
2554 init_mgmt_queue(ieee);
2555
2556 ieee->tx_pending.txb = NULL;
2557
2558 init_timer(&ieee->associate_timer);
2559 ieee->associate_timer.data = (unsigned long)ieee;
2560 ieee->associate_timer.function = ieee80211_associate_abort_cb;
2561
2562 init_timer(&ieee->beacon_timer);
2563 ieee->beacon_timer.data = (unsigned long) ieee;
2564 ieee->beacon_timer.function = ieee80211_send_beacon_cb;
2565
2566#ifdef PF_SYNCTHREAD
2567 ieee->wq = create_workqueue(DRV_NAME,0);
2568#else
2569 ieee->wq = create_workqueue(DRV_NAME);
2570#endif
2571 INIT_DELAYED_WORK(&ieee->start_ibss_wq,(void*) ieee80211_start_ibss_wq);
2572 INIT_WORK(&ieee->associate_complete_wq,(void*) ieee80211_associate_complete_wq);
2573 INIT_WORK(&ieee->associate_procedure_wq,(void*) ieee80211_associate_procedure_wq);
2574 INIT_DELAYED_WORK(&ieee->softmac_scan_wq,(void*) ieee80211_softmac_scan_wq);
2575 INIT_DELAYED_WORK(&ieee->associate_retry_wq,(void*) ieee80211_associate_retry_wq);
2576 INIT_WORK(&ieee->wx_sync_scan_wq,(void*) ieee80211_wx_sync_scan_wq);
2577
2578
2579 sema_init(&ieee->wx_sem, 1);
2580 sema_init(&ieee->scan_sem, 1);
2581
2582 spin_lock_init(&ieee->mgmt_tx_lock);
2583 spin_lock_init(&ieee->beacon_lock);
2584
2585 tasklet_init(&ieee->ps_task,
2586 (void(*)(unsigned long)) ieee80211_sta_ps,
2587 (unsigned long)ieee);
2588 ieee->pDot11dInfo = kmalloc(sizeof(RT_DOT11D_INFO), GFP_ATOMIC);
2589}
2590
2591void ieee80211_softmac_free(struct ieee80211_device *ieee)
2592{
2593 down(&ieee->wx_sem);
2594
2595 del_timer_sync(&ieee->associate_timer);
2596 cancel_delayed_work(&ieee->associate_retry_wq);
2597
2598
2599
2600 cancel_delayed_work(&ieee->GPIOChangeRFWorkItem);
2601
2602 destroy_workqueue(ieee->wq);
2603 if(NULL != ieee->pDot11dInfo)
2604 kfree(ieee->pDot11dInfo);
2605 up(&ieee->wx_sem);
2606}
2607
2608
2609
2610
2611
2612
2613
2614static int ieee80211_wpa_enable(struct ieee80211_device *ieee, int value)
2615{
2616
2617
2618 printk("%s WPA\n",value ? "enabling" : "disabling");
2619 ieee->wpa_enabled = value;
2620 return 0;
2621}
2622
2623
2624void ieee80211_wpa_assoc_frame(struct ieee80211_device *ieee, char *wpa_ie, int wpa_ie_len)
2625{
2626
2627 ieee80211_wpa_enable(ieee, 1);
2628
2629 ieee80211_disassociate(ieee);
2630}
2631
2632
2633static int ieee80211_wpa_mlme(struct ieee80211_device *ieee, int command, int reason)
2634{
2635
2636 int ret = 0;
2637
2638 switch (command) {
2639 case IEEE_MLME_STA_DEAUTH:
2640
2641 break;
2642
2643 case IEEE_MLME_STA_DISASSOC:
2644 ieee80211_disassociate(ieee);
2645 break;
2646
2647 default:
2648 printk("Unknown MLME request: %d\n", command);
2649 ret = -EOPNOTSUPP;
2650 }
2651
2652 return ret;
2653}
2654
2655
2656static int ieee80211_wpa_set_wpa_ie(struct ieee80211_device *ieee,
2657 struct ieee_param *param, int plen)
2658{
2659 u8 *buf;
2660
2661 if (param->u.wpa_ie.len > MAX_WPA_IE_LEN ||
2662 (param->u.wpa_ie.len && param->u.wpa_ie.data == NULL))
2663 return -EINVAL;
2664
2665 if (param->u.wpa_ie.len) {
2666 buf = kmalloc(param->u.wpa_ie.len, GFP_KERNEL);
2667 if (buf == NULL)
2668 return -ENOMEM;
2669
2670 memcpy(buf, param->u.wpa_ie.data, param->u.wpa_ie.len);
2671 kfree(ieee->wpa_ie);
2672 ieee->wpa_ie = buf;
2673 ieee->wpa_ie_len = param->u.wpa_ie.len;
2674 } else {
2675 kfree(ieee->wpa_ie);
2676 ieee->wpa_ie = NULL;
2677 ieee->wpa_ie_len = 0;
2678 }
2679
2680 ieee80211_wpa_assoc_frame(ieee, ieee->wpa_ie, ieee->wpa_ie_len);
2681 return 0;
2682}
2683
2684#define AUTH_ALG_OPEN_SYSTEM 0x1
2685#define AUTH_ALG_SHARED_KEY 0x2
2686
2687static int ieee80211_wpa_set_auth_algs(struct ieee80211_device *ieee, int value)
2688{
2689
2690 struct ieee80211_security sec = {
2691 .flags = SEC_AUTH_MODE,
2692 };
2693 int ret = 0;
2694
2695 if (value & AUTH_ALG_SHARED_KEY) {
2696 sec.auth_mode = WLAN_AUTH_SHARED_KEY;
2697 ieee->open_wep = 0;
2698 } else {
2699 sec.auth_mode = WLAN_AUTH_OPEN;
2700 ieee->open_wep = 1;
2701 }
2702
2703 if (ieee->set_security)
2704 ieee->set_security(ieee->dev, &sec);
2705 else
2706 ret = -EOPNOTSUPP;
2707
2708 return ret;
2709}
2710
2711static int ieee80211_wpa_set_param(struct ieee80211_device *ieee, u8 name, u32 value)
2712{
2713 int ret=0;
2714 unsigned long flags;
2715
2716 switch (name) {
2717 case IEEE_PARAM_WPA_ENABLED:
2718 ret = ieee80211_wpa_enable(ieee, value);
2719 break;
2720
2721 case IEEE_PARAM_TKIP_COUNTERMEASURES:
2722 ieee->tkip_countermeasures=value;
2723 break;
2724
2725 case IEEE_PARAM_DROP_UNENCRYPTED: {
2726
2727
2728
2729
2730
2731
2732
2733
2734
2735
2736
2737 struct ieee80211_security sec = {
2738 .flags = SEC_ENABLED,
2739 .enabled = value,
2740 };
2741 ieee->drop_unencrypted = value;
2742
2743
2744
2745 if (!value) {
2746 sec.flags |= SEC_LEVEL;
2747 sec.level = SEC_LEVEL_0;
2748 }
2749 else {
2750 sec.flags |= SEC_LEVEL;
2751 sec.level = SEC_LEVEL_1;
2752 }
2753 if (ieee->set_security)
2754 ieee->set_security(ieee->dev, &sec);
2755 break;
2756 }
2757
2758 case IEEE_PARAM_PRIVACY_INVOKED:
2759 ieee->privacy_invoked=value;
2760 break;
2761
2762 case IEEE_PARAM_AUTH_ALGS:
2763 ret = ieee80211_wpa_set_auth_algs(ieee, value);
2764 break;
2765
2766 case IEEE_PARAM_IEEE_802_1X:
2767 ieee->ieee802_1x=value;
2768 break;
2769 case IEEE_PARAM_WPAX_SELECT:
2770
2771
2772 spin_lock_irqsave(&ieee->wpax_suitlist_lock,flags);
2773 ieee->wpax_type_set = 1;
2774 ieee->wpax_type_notify = value;
2775 spin_unlock_irqrestore(&ieee->wpax_suitlist_lock,flags);
2776 break;
2777
2778 default:
2779 printk("Unknown WPA param: %d\n",name);
2780 ret = -EOPNOTSUPP;
2781 }
2782
2783 return ret;
2784}
2785
2786
2787
2788static int ieee80211_wpa_set_encryption(struct ieee80211_device *ieee,
2789 struct ieee_param *param, int param_len)
2790{
2791 int ret = 0;
2792
2793 struct ieee80211_crypto_ops *ops;
2794 struct ieee80211_crypt_data **crypt;
2795
2796 struct ieee80211_security sec = {
2797 .flags = 0,
2798 };
2799
2800 param->u.crypt.err = 0;
2801 param->u.crypt.alg[IEEE_CRYPT_ALG_NAME_LEN - 1] = '\0';
2802
2803 if (param_len !=
2804 (int) ((char *) param->u.crypt.key - (char *) param) +
2805 param->u.crypt.key_len) {
2806 printk("Len mismatch %d, %d\n", param_len,
2807 param->u.crypt.key_len);
2808 return -EINVAL;
2809 }
2810 if (param->sta_addr[0] == 0xff && param->sta_addr[1] == 0xff &&
2811 param->sta_addr[2] == 0xff && param->sta_addr[3] == 0xff &&
2812 param->sta_addr[4] == 0xff && param->sta_addr[5] == 0xff) {
2813 if (param->u.crypt.idx >= WEP_KEYS)
2814 return -EINVAL;
2815 crypt = &ieee->crypt[param->u.crypt.idx];
2816 } else {
2817 return -EINVAL;
2818 }
2819
2820 if (strcmp(param->u.crypt.alg, "none") == 0) {
2821 if (crypt) {
2822 sec.enabled = 0;
2823
2824
2825 sec.level = SEC_LEVEL_0;
2826 sec.flags |= SEC_ENABLED | SEC_LEVEL;
2827 ieee80211_crypt_delayed_deinit(ieee, crypt);
2828 }
2829 goto done;
2830 }
2831 sec.enabled = 1;
2832
2833
2834 sec.flags |= SEC_ENABLED;
2835
2836
2837 if (!(ieee->host_encrypt || ieee->host_decrypt) &&
2838 strcmp(param->u.crypt.alg, "TKIP"))
2839 goto skip_host_crypt;
2840
2841 ops = ieee80211_get_crypto_ops(param->u.crypt.alg);
2842 if (ops == NULL && strcmp(param->u.crypt.alg, "WEP") == 0)
2843 ops = ieee80211_get_crypto_ops(param->u.crypt.alg);
2844 else if (ops == NULL && strcmp(param->u.crypt.alg, "TKIP") == 0)
2845 ops = ieee80211_get_crypto_ops(param->u.crypt.alg);
2846 else if (ops == NULL && strcmp(param->u.crypt.alg, "CCMP") == 0)
2847 ops = ieee80211_get_crypto_ops(param->u.crypt.alg);
2848 if (ops == NULL) {
2849 printk("unknown crypto alg '%s'\n", param->u.crypt.alg);
2850 param->u.crypt.err = IEEE_CRYPT_ERR_UNKNOWN_ALG;
2851 ret = -EINVAL;
2852 goto done;
2853 }
2854
2855 if (*crypt == NULL || (*crypt)->ops != ops) {
2856 struct ieee80211_crypt_data *new_crypt;
2857
2858 ieee80211_crypt_delayed_deinit(ieee, crypt);
2859
2860 new_crypt = (struct ieee80211_crypt_data *)
2861 kmalloc(sizeof(*new_crypt), GFP_KERNEL);
2862 if (new_crypt == NULL) {
2863 ret = -ENOMEM;
2864 goto done;
2865 }
2866 memset(new_crypt, 0, sizeof(struct ieee80211_crypt_data));
2867 new_crypt->ops = ops;
2868 if (new_crypt->ops)
2869 new_crypt->priv =
2870 new_crypt->ops->init(param->u.crypt.idx);
2871
2872 if (new_crypt->priv == NULL) {
2873 kfree(new_crypt);
2874 param->u.crypt.err = IEEE_CRYPT_ERR_CRYPT_INIT_FAILED;
2875 ret = -EINVAL;
2876 goto done;
2877 }
2878
2879 *crypt = new_crypt;
2880 }
2881
2882 if (param->u.crypt.key_len > 0 && (*crypt)->ops->set_key &&
2883 (*crypt)->ops->set_key(param->u.crypt.key,
2884 param->u.crypt.key_len, param->u.crypt.seq,
2885 (*crypt)->priv) < 0) {
2886 printk("key setting failed\n");
2887 param->u.crypt.err = IEEE_CRYPT_ERR_KEY_SET_FAILED;
2888 ret = -EINVAL;
2889 goto done;
2890 }
2891
2892 skip_host_crypt:
2893 if (param->u.crypt.set_tx) {
2894 ieee->tx_keyidx = param->u.crypt.idx;
2895 sec.active_key = param->u.crypt.idx;
2896 sec.flags |= SEC_ACTIVE_KEY;
2897 } else
2898 sec.flags &= ~SEC_ACTIVE_KEY;
2899
2900 if (param->u.crypt.alg != NULL) {
2901 memcpy(sec.keys[param->u.crypt.idx],
2902 param->u.crypt.key,
2903 param->u.crypt.key_len);
2904 sec.key_sizes[param->u.crypt.idx] = param->u.crypt.key_len;
2905 sec.flags |= (1 << param->u.crypt.idx);
2906
2907 if (strcmp(param->u.crypt.alg, "WEP") == 0) {
2908 sec.flags |= SEC_LEVEL;
2909 sec.level = SEC_LEVEL_1;
2910 } else if (strcmp(param->u.crypt.alg, "TKIP") == 0) {
2911 sec.flags |= SEC_LEVEL;
2912 sec.level = SEC_LEVEL_2;
2913 } else if (strcmp(param->u.crypt.alg, "CCMP") == 0) {
2914 sec.flags |= SEC_LEVEL;
2915 sec.level = SEC_LEVEL_3;
2916 }
2917 }
2918 done:
2919 if (ieee->set_security)
2920 ieee->set_security(ieee->dev, &sec);
2921
2922
2923
2924
2925
2926
2927 if (ieee->reset_on_keychange &&
2928 ieee->iw_mode != IW_MODE_INFRA &&
2929 ieee->reset_port &&
2930 ieee->reset_port(ieee->dev)) {
2931 printk("reset_port failed\n");
2932 param->u.crypt.err = IEEE_CRYPT_ERR_CARD_CONF_FAILED;
2933 return -EINVAL;
2934 }
2935
2936 return ret;
2937}
2938
2939int ieee80211_wpa_supplicant_ioctl(struct ieee80211_device *ieee, struct iw_point *p)
2940{
2941 struct ieee_param *param;
2942 int ret=0;
2943
2944 down(&ieee->wx_sem);
2945
2946
2947 if (p->length < sizeof(struct ieee_param) || !p->pointer){
2948 ret = -EINVAL;
2949 goto out;
2950 }
2951
2952 param = (struct ieee_param *)kmalloc(p->length, GFP_KERNEL);
2953 if (param == NULL){
2954 ret = -ENOMEM;
2955 goto out;
2956 }
2957 if (copy_from_user(param, p->pointer, p->length)) {
2958 kfree(param);
2959 ret = -EFAULT;
2960 goto out;
2961 }
2962
2963 switch (param->cmd) {
2964
2965 case IEEE_CMD_SET_WPA_PARAM:
2966 ret = ieee80211_wpa_set_param(ieee, param->u.wpa_param.name,
2967 param->u.wpa_param.value);
2968 break;
2969
2970 case IEEE_CMD_SET_WPA_IE:
2971 ret = ieee80211_wpa_set_wpa_ie(ieee, param, p->length);
2972 break;
2973
2974 case IEEE_CMD_SET_ENCRYPTION:
2975 ret = ieee80211_wpa_set_encryption(ieee, param, p->length);
2976 break;
2977
2978 case IEEE_CMD_MLME:
2979 ret = ieee80211_wpa_mlme(ieee, param->u.mlme.command,
2980 param->u.mlme.reason_code);
2981 break;
2982
2983 default:
2984 printk("Unknown WPA supplicant request: %d\n",param->cmd);
2985 ret = -EOPNOTSUPP;
2986 break;
2987 }
2988
2989 if (ret == 0 && copy_to_user(p->pointer, param, p->length))
2990 ret = -EFAULT;
2991
2992 kfree(param);
2993out:
2994 up(&ieee->wx_sem);
2995
2996 return ret;
2997}
2998
2999void notify_wx_assoc_event(struct ieee80211_device *ieee)
3000{
3001 union iwreq_data wrqu;
3002 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3003 if (ieee->state == IEEE80211_LINKED)
3004 memcpy(wrqu.ap_addr.sa_data, ieee->current_network.bssid, ETH_ALEN);
3005 else
3006 memset(wrqu.ap_addr.sa_data, 0, ETH_ALEN);
3007 wireless_send_event(ieee->dev, SIOCGIWAP, &wrqu, NULL);
3008}
3009