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17#include "rtllib.h"
18
19#include <linux/random.h>
20#include <linux/delay.h>
21#include <linux/uaccess.h>
22#include <linux/etherdevice.h>
23#include "dot11d.h"
24
25short rtllib_is_54g(struct rtllib_network *net)
26{
27 return (net->rates_ex_len > 0) || (net->rates_len > 4);
28}
29
30short rtllib_is_shortslot(const struct rtllib_network *net)
31{
32 return net->capability & WLAN_CAPABILITY_SHORT_SLOT_TIME;
33}
34
35
36
37
38
39static unsigned int rtllib_MFIE_rate_len(struct rtllib_device *ieee)
40{
41 unsigned int rate_len = 0;
42
43 if (ieee->modulation & RTLLIB_CCK_MODULATION)
44 rate_len = RTLLIB_CCK_RATE_LEN + 2;
45
46 if (ieee->modulation & RTLLIB_OFDM_MODULATION)
47
48 rate_len += RTLLIB_OFDM_RATE_LEN + 2;
49
50 return rate_len;
51}
52
53
54
55
56
57static void rtllib_MFIE_Brate(struct rtllib_device *ieee, u8 **tag_p)
58{
59 u8 *tag = *tag_p;
60
61 if (ieee->modulation & RTLLIB_CCK_MODULATION) {
62 *tag++ = MFIE_TYPE_RATES;
63 *tag++ = 4;
64 *tag++ = RTLLIB_BASIC_RATE_MASK | RTLLIB_CCK_RATE_1MB;
65 *tag++ = RTLLIB_BASIC_RATE_MASK | RTLLIB_CCK_RATE_2MB;
66 *tag++ = RTLLIB_BASIC_RATE_MASK | RTLLIB_CCK_RATE_5MB;
67 *tag++ = RTLLIB_BASIC_RATE_MASK | RTLLIB_CCK_RATE_11MB;
68 }
69
70
71
72 *tag_p = tag;
73}
74
75static void rtllib_MFIE_Grate(struct rtllib_device *ieee, u8 **tag_p)
76{
77 u8 *tag = *tag_p;
78
79 if (ieee->modulation & RTLLIB_OFDM_MODULATION) {
80 *tag++ = MFIE_TYPE_RATES_EX;
81 *tag++ = 8;
82 *tag++ = RTLLIB_BASIC_RATE_MASK | RTLLIB_OFDM_RATE_6MB;
83 *tag++ = RTLLIB_BASIC_RATE_MASK | RTLLIB_OFDM_RATE_9MB;
84 *tag++ = RTLLIB_BASIC_RATE_MASK | RTLLIB_OFDM_RATE_12MB;
85 *tag++ = RTLLIB_BASIC_RATE_MASK | RTLLIB_OFDM_RATE_18MB;
86 *tag++ = RTLLIB_BASIC_RATE_MASK | RTLLIB_OFDM_RATE_24MB;
87 *tag++ = RTLLIB_BASIC_RATE_MASK | RTLLIB_OFDM_RATE_36MB;
88 *tag++ = RTLLIB_BASIC_RATE_MASK | RTLLIB_OFDM_RATE_48MB;
89 *tag++ = RTLLIB_BASIC_RATE_MASK | RTLLIB_OFDM_RATE_54MB;
90 }
91
92
93 *tag_p = tag;
94}
95
96static void rtllib_WMM_Info(struct rtllib_device *ieee, u8 **tag_p)
97{
98 u8 *tag = *tag_p;
99
100 *tag++ = MFIE_TYPE_GENERIC;
101 *tag++ = 7;
102 *tag++ = 0x00;
103 *tag++ = 0x50;
104 *tag++ = 0xf2;
105 *tag++ = 0x02;
106 *tag++ = 0x00;
107 *tag++ = 0x01;
108 *tag++ = MAX_SP_Len;
109 *tag_p = tag;
110}
111
112void rtllib_TURBO_Info(struct rtllib_device *ieee, u8 **tag_p)
113{
114 u8 *tag = *tag_p;
115
116 *tag++ = MFIE_TYPE_GENERIC;
117 *tag++ = 7;
118 *tag++ = 0x00;
119 *tag++ = 0xe0;
120 *tag++ = 0x4c;
121 *tag++ = 0x01;
122 *tag++ = 0x02;
123 *tag++ = 0x11;
124 *tag++ = 0x00;
125
126 *tag_p = tag;
127 printk(KERN_ALERT "This is enable turbo mode IE process\n");
128}
129
130static void enqueue_mgmt(struct rtllib_device *ieee, struct sk_buff *skb)
131{
132 int nh;
133 nh = (ieee->mgmt_queue_head + 1) % MGMT_QUEUE_NUM;
134
135
136
137
138
139
140
141
142 ieee->mgmt_queue_head = nh;
143 ieee->mgmt_queue_ring[nh] = skb;
144
145}
146
147static struct sk_buff *dequeue_mgmt(struct rtllib_device *ieee)
148{
149 struct sk_buff *ret;
150
151 if (ieee->mgmt_queue_tail == ieee->mgmt_queue_head)
152 return NULL;
153
154 ret = ieee->mgmt_queue_ring[ieee->mgmt_queue_tail];
155
156 ieee->mgmt_queue_tail =
157 (ieee->mgmt_queue_tail+1) % MGMT_QUEUE_NUM;
158
159 return ret;
160}
161
162static void init_mgmt_queue(struct rtllib_device *ieee)
163{
164 ieee->mgmt_queue_tail = ieee->mgmt_queue_head = 0;
165}
166
167
168u8
169MgntQuery_TxRateExcludeCCKRates(struct rtllib_device *ieee)
170{
171 u16 i;
172 u8 QueryRate = 0;
173 u8 BasicRate;
174
175
176 for (i = 0; i < ieee->current_network.rates_len; i++) {
177 BasicRate = ieee->current_network.rates[i]&0x7F;
178 if (!rtllib_is_cck_rate(BasicRate)) {
179 if (QueryRate == 0) {
180 QueryRate = BasicRate;
181 } else {
182 if (BasicRate < QueryRate)
183 QueryRate = BasicRate;
184 }
185 }
186 }
187
188 if (QueryRate == 0) {
189 QueryRate = 12;
190 printk(KERN_INFO "No BasicRate found!!\n");
191 }
192 return QueryRate;
193}
194
195u8 MgntQuery_MgntFrameTxRate(struct rtllib_device *ieee)
196{
197 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
198 u8 rate;
199
200 if (pHTInfo->IOTAction & HT_IOT_ACT_MGNT_USE_CCK_6M)
201 rate = 0x0c;
202 else
203 rate = ieee->basic_rate & 0x7f;
204
205 if (rate == 0) {
206 if (ieee->mode == IEEE_A ||
207 ieee->mode == IEEE_N_5G ||
208 (ieee->mode == IEEE_N_24G && !pHTInfo->bCurSuppCCK))
209 rate = 0x0c;
210 else
211 rate = 0x02;
212 }
213
214 return rate;
215}
216
217inline void softmac_mgmt_xmit(struct sk_buff *skb, struct rtllib_device *ieee)
218{
219 unsigned long flags;
220 short single = ieee->softmac_features & IEEE_SOFTMAC_SINGLE_QUEUE;
221 struct rtllib_hdr_3addr *header =
222 (struct rtllib_hdr_3addr *) skb->data;
223
224 struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + 8);
225 spin_lock_irqsave(&ieee->lock, flags);
226
227
228 rtllib_sta_wakeup(ieee, 0);
229
230 if (header->frame_ctl == RTLLIB_STYPE_BEACON)
231 tcb_desc->queue_index = BEACON_QUEUE;
232 else
233 tcb_desc->queue_index = MGNT_QUEUE;
234
235 if (ieee->disable_mgnt_queue)
236 tcb_desc->queue_index = HIGH_QUEUE;
237
238 tcb_desc->data_rate = MgntQuery_MgntFrameTxRate(ieee);
239 tcb_desc->RATRIndex = 7;
240 tcb_desc->bTxDisableRateFallBack = 1;
241 tcb_desc->bTxUseDriverAssingedRate = 1;
242 if (single) {
243 if (ieee->queue_stop) {
244 enqueue_mgmt(ieee, skb);
245 } else {
246 header->seq_ctl = cpu_to_le16(ieee->seq_ctrl[0]<<4);
247
248 if (ieee->seq_ctrl[0] == 0xFFF)
249 ieee->seq_ctrl[0] = 0;
250 else
251 ieee->seq_ctrl[0]++;
252
253
254 ieee->softmac_data_hard_start_xmit(skb, ieee->dev,
255 ieee->basic_rate);
256 }
257
258 spin_unlock_irqrestore(&ieee->lock, flags);
259 } else {
260 spin_unlock_irqrestore(&ieee->lock, flags);
261 spin_lock_irqsave(&ieee->mgmt_tx_lock, flags);
262
263 header->seq_ctl = cpu_to_le16(ieee->seq_ctrl[0] << 4);
264
265 if (ieee->seq_ctrl[0] == 0xFFF)
266 ieee->seq_ctrl[0] = 0;
267 else
268 ieee->seq_ctrl[0]++;
269
270
271 if (!ieee->check_nic_enough_desc(ieee->dev, tcb_desc->queue_index) ||
272 (skb_queue_len(&ieee->skb_waitQ[tcb_desc->queue_index]) != 0) ||
273 (ieee->queue_stop)) {
274
275
276
277
278 printk(KERN_INFO "%s():insert to waitqueue, queue_index"
279 ":%d!\n", __func__, tcb_desc->queue_index);
280 skb_queue_tail(&ieee->skb_waitQ[tcb_desc->queue_index],
281 skb);
282 } else {
283 ieee->softmac_hard_start_xmit(skb, ieee->dev);
284 }
285 spin_unlock_irqrestore(&ieee->mgmt_tx_lock, flags);
286 }
287}
288
289inline void softmac_ps_mgmt_xmit(struct sk_buff *skb,
290 struct rtllib_device *ieee)
291{
292 short single = ieee->softmac_features & IEEE_SOFTMAC_SINGLE_QUEUE;
293 struct rtllib_hdr_3addr *header =
294 (struct rtllib_hdr_3addr *) skb->data;
295 u16 fc, type, stype;
296 struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + 8);
297
298 fc = header->frame_ctl;
299 type = WLAN_FC_GET_TYPE(fc);
300 stype = WLAN_FC_GET_STYPE(fc);
301
302
303 if (stype != RTLLIB_STYPE_PSPOLL)
304 tcb_desc->queue_index = MGNT_QUEUE;
305 else
306 tcb_desc->queue_index = HIGH_QUEUE;
307
308 if (ieee->disable_mgnt_queue)
309 tcb_desc->queue_index = HIGH_QUEUE;
310
311
312 tcb_desc->data_rate = MgntQuery_MgntFrameTxRate(ieee);
313 tcb_desc->RATRIndex = 7;
314 tcb_desc->bTxDisableRateFallBack = 1;
315 tcb_desc->bTxUseDriverAssingedRate = 1;
316 if (single) {
317 if (type != RTLLIB_FTYPE_CTL) {
318 header->seq_ctl = cpu_to_le16(ieee->seq_ctrl[0] << 4);
319
320 if (ieee->seq_ctrl[0] == 0xFFF)
321 ieee->seq_ctrl[0] = 0;
322 else
323 ieee->seq_ctrl[0]++;
324
325 }
326
327 ieee->softmac_data_hard_start_xmit(skb, ieee->dev,
328 ieee->basic_rate);
329
330 } else {
331 if (type != RTLLIB_FTYPE_CTL) {
332 header->seq_ctl = cpu_to_le16(ieee->seq_ctrl[0] << 4);
333
334 if (ieee->seq_ctrl[0] == 0xFFF)
335 ieee->seq_ctrl[0] = 0;
336 else
337 ieee->seq_ctrl[0]++;
338 }
339 ieee->softmac_hard_start_xmit(skb, ieee->dev);
340
341 }
342}
343
344inline struct sk_buff *rtllib_probe_req(struct rtllib_device *ieee)
345{
346 unsigned int len, rate_len;
347 u8 *tag;
348 struct sk_buff *skb;
349 struct rtllib_probe_request *req;
350
351 len = ieee->current_network.ssid_len;
352
353 rate_len = rtllib_MFIE_rate_len(ieee);
354
355 skb = dev_alloc_skb(sizeof(struct rtllib_probe_request) +
356 2 + len + rate_len + ieee->tx_headroom);
357
358 if (!skb)
359 return NULL;
360
361 skb_reserve(skb, ieee->tx_headroom);
362
363 req = (struct rtllib_probe_request *) skb_put(skb,
364 sizeof(struct rtllib_probe_request));
365 req->header.frame_ctl = cpu_to_le16(RTLLIB_STYPE_PROBE_REQ);
366 req->header.duration_id = 0;
367
368 memset(req->header.addr1, 0xff, ETH_ALEN);
369 memcpy(req->header.addr2, ieee->dev->dev_addr, ETH_ALEN);
370 memset(req->header.addr3, 0xff, ETH_ALEN);
371
372 tag = (u8 *) skb_put(skb, len + 2 + rate_len);
373
374 *tag++ = MFIE_TYPE_SSID;
375 *tag++ = len;
376 memcpy(tag, ieee->current_network.ssid, len);
377 tag += len;
378
379 rtllib_MFIE_Brate(ieee, &tag);
380 rtllib_MFIE_Grate(ieee, &tag);
381
382 return skb;
383}
384
385struct sk_buff *rtllib_get_beacon_(struct rtllib_device *ieee);
386
387static void rtllib_send_beacon(struct rtllib_device *ieee)
388{
389 struct sk_buff *skb;
390 if (!ieee->ieee_up)
391 return;
392 skb = rtllib_get_beacon_(ieee);
393
394 if (skb) {
395 softmac_mgmt_xmit(skb, ieee);
396 ieee->softmac_stats.tx_beacons++;
397 }
398
399 if (ieee->beacon_txing && ieee->ieee_up)
400 mod_timer(&ieee->beacon_timer, jiffies +
401 (MSECS(ieee->current_network.beacon_interval - 5)));
402}
403
404
405static void rtllib_send_beacon_cb(unsigned long _ieee)
406{
407 struct rtllib_device *ieee =
408 (struct rtllib_device *) _ieee;
409 unsigned long flags;
410
411 spin_lock_irqsave(&ieee->beacon_lock, flags);
412 rtllib_send_beacon(ieee);
413 spin_unlock_irqrestore(&ieee->beacon_lock, flags);
414}
415
416
417
418
419
420void rtllib_EnableNetMonitorMode(struct net_device *dev,
421 bool bInitState)
422{
423 struct rtllib_device *ieee = netdev_priv_rsl(dev);
424
425 printk(KERN_INFO "========>Enter Monitor Mode\n");
426
427 ieee->AllowAllDestAddrHandler(dev, true, !bInitState);
428}
429
430
431
432
433
434
435
436void rtllib_DisableNetMonitorMode(struct net_device *dev,
437 bool bInitState)
438{
439 struct rtllib_device *ieee = netdev_priv_rsl(dev);
440
441 printk(KERN_INFO "========>Exit Monitor Mode\n");
442
443 ieee->AllowAllDestAddrHandler(dev, false, !bInitState);
444}
445
446
447
448
449
450
451
452
453
454
455void rtllib_EnableIntelPromiscuousMode(struct net_device *dev,
456 bool bInitState)
457{
458 bool bFilterOutNonAssociatedBSSID = false;
459
460 struct rtllib_device *ieee = netdev_priv_rsl(dev);
461
462 printk(KERN_INFO "========>Enter Intel Promiscuous Mode\n");
463
464 ieee->AllowAllDestAddrHandler(dev, true, !bInitState);
465 ieee->SetHwRegHandler(dev, HW_VAR_CECHK_BSSID,
466 (u8 *)&bFilterOutNonAssociatedBSSID);
467
468 ieee->bNetPromiscuousMode = true;
469}
470EXPORT_SYMBOL(rtllib_EnableIntelPromiscuousMode);
471
472
473
474
475
476
477
478void rtllib_DisableIntelPromiscuousMode(struct net_device *dev,
479 bool bInitState)
480{
481 bool bFilterOutNonAssociatedBSSID = true;
482
483 struct rtllib_device *ieee = netdev_priv_rsl(dev);
484
485 printk(KERN_INFO "========>Exit Intel Promiscuous Mode\n");
486
487 ieee->AllowAllDestAddrHandler(dev, false, !bInitState);
488 ieee->SetHwRegHandler(dev, HW_VAR_CECHK_BSSID,
489 (u8 *)&bFilterOutNonAssociatedBSSID);
490
491 ieee->bNetPromiscuousMode = false;
492}
493EXPORT_SYMBOL(rtllib_DisableIntelPromiscuousMode);
494
495static void rtllib_send_probe(struct rtllib_device *ieee, u8 is_mesh)
496{
497 struct sk_buff *skb;
498 skb = rtllib_probe_req(ieee);
499 if (skb) {
500 softmac_mgmt_xmit(skb, ieee);
501 ieee->softmac_stats.tx_probe_rq++;
502 }
503}
504
505
506void rtllib_send_probe_requests(struct rtllib_device *ieee, u8 is_mesh)
507{
508 if (ieee->active_scan && (ieee->softmac_features &
509 IEEE_SOFTMAC_PROBERQ)) {
510 rtllib_send_probe(ieee, 0);
511 rtllib_send_probe(ieee, 0);
512 }
513}
514
515static void rtllib_softmac_hint11d_wq(void *data)
516{
517}
518
519void rtllib_update_active_chan_map(struct rtllib_device *ieee)
520{
521 memcpy(ieee->active_channel_map, GET_DOT11D_INFO(ieee)->channel_map,
522 MAX_CHANNEL_NUMBER+1);
523}
524
525
526
527
528void rtllib_softmac_scan_syncro(struct rtllib_device *ieee, u8 is_mesh)
529{
530 union iwreq_data wrqu;
531 short ch = 0;
532
533 rtllib_update_active_chan_map(ieee);
534
535 ieee->be_scan_inprogress = true;
536
537 down(&ieee->scan_sem);
538
539 while (1) {
540 do {
541 ch++;
542 if (ch > MAX_CHANNEL_NUMBER)
543 goto out;
544 } while (!ieee->active_channel_map[ch]);
545
546
547
548
549
550
551
552
553
554
555
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559
560
561
562
563
564
565 if (ieee->state == RTLLIB_LINKED)
566 goto out;
567 if (ieee->sync_scan_hurryup) {
568 printk(KERN_INFO "============>sync_scan_hurryup out\n");
569 goto out;
570 }
571
572 ieee->set_chan(ieee->dev, ch);
573 if (ieee->active_channel_map[ch] == 1)
574 rtllib_send_probe_requests(ieee, 0);
575
576
577
578
579 msleep_interruptible_rsl(RTLLIB_SOFTMAC_SCAN_TIME);
580 }
581out:
582 ieee->actscanning = false;
583 ieee->sync_scan_hurryup = 0;
584
585 if (ieee->state >= RTLLIB_LINKED) {
586 if (IS_DOT11D_ENABLE(ieee))
587 DOT11D_ScanComplete(ieee);
588 }
589 up(&ieee->scan_sem);
590
591 ieee->be_scan_inprogress = false;
592
593 memset(&wrqu, 0, sizeof(wrqu));
594 wireless_send_event(ieee->dev, SIOCGIWSCAN, &wrqu, NULL);
595}
596
597static void rtllib_softmac_scan_wq(void *data)
598{
599 struct rtllib_device *ieee = container_of_dwork_rsl(data,
600 struct rtllib_device, softmac_scan_wq);
601 u8 last_channel = ieee->current_network.channel;
602
603 rtllib_update_active_chan_map(ieee);
604
605 if (!ieee->ieee_up)
606 return;
607 if (rtllib_act_scanning(ieee, true) == true)
608 return;
609
610 down(&ieee->scan_sem);
611
612 if (ieee->eRFPowerState == eRfOff) {
613 printk(KERN_INFO "======>%s():rf state is eRfOff, return\n",
614 __func__);
615 goto out1;
616 }
617
618 do {
619 ieee->current_network.channel =
620 (ieee->current_network.channel + 1) %
621 MAX_CHANNEL_NUMBER;
622 if (ieee->scan_watch_dog++ > MAX_CHANNEL_NUMBER) {
623 if (!ieee->active_channel_map[ieee->current_network.channel])
624 ieee->current_network.channel = 6;
625 goto out;
626 }
627 } while (!ieee->active_channel_map[ieee->current_network.channel]);
628
629 if (ieee->scanning_continue == 0)
630 goto out;
631
632 ieee->set_chan(ieee->dev, ieee->current_network.channel);
633
634 if (ieee->active_channel_map[ieee->current_network.channel] == 1)
635 rtllib_send_probe_requests(ieee, 0);
636
637 queue_delayed_work_rsl(ieee->wq, &ieee->softmac_scan_wq,
638 MSECS(RTLLIB_SOFTMAC_SCAN_TIME));
639
640 up(&ieee->scan_sem);
641 return;
642
643out:
644 if (IS_DOT11D_ENABLE(ieee))
645 DOT11D_ScanComplete(ieee);
646 ieee->current_network.channel = last_channel;
647
648out1:
649 ieee->actscanning = false;
650 ieee->scan_watch_dog = 0;
651 ieee->scanning_continue = 0;
652 up(&ieee->scan_sem);
653}
654
655
656
657static void rtllib_beacons_start(struct rtllib_device *ieee)
658{
659 unsigned long flags;
660 spin_lock_irqsave(&ieee->beacon_lock, flags);
661
662 ieee->beacon_txing = 1;
663 rtllib_send_beacon(ieee);
664
665 spin_unlock_irqrestore(&ieee->beacon_lock, flags);
666}
667
668static void rtllib_beacons_stop(struct rtllib_device *ieee)
669{
670 unsigned long flags;
671
672 spin_lock_irqsave(&ieee->beacon_lock, flags);
673
674 ieee->beacon_txing = 0;
675 del_timer_sync(&ieee->beacon_timer);
676
677 spin_unlock_irqrestore(&ieee->beacon_lock, flags);
678
679}
680
681
682void rtllib_stop_send_beacons(struct rtllib_device *ieee)
683{
684 if (ieee->stop_send_beacons)
685 ieee->stop_send_beacons(ieee->dev);
686 if (ieee->softmac_features & IEEE_SOFTMAC_BEACONS)
687 rtllib_beacons_stop(ieee);
688}
689EXPORT_SYMBOL(rtllib_stop_send_beacons);
690
691
692void rtllib_start_send_beacons(struct rtllib_device *ieee)
693{
694 if (ieee->start_send_beacons)
695 ieee->start_send_beacons(ieee->dev);
696 if (ieee->softmac_features & IEEE_SOFTMAC_BEACONS)
697 rtllib_beacons_start(ieee);
698}
699EXPORT_SYMBOL(rtllib_start_send_beacons);
700
701
702static void rtllib_softmac_stop_scan(struct rtllib_device *ieee)
703{
704 down(&ieee->scan_sem);
705 ieee->scan_watch_dog = 0;
706 if (ieee->scanning_continue == 1) {
707 ieee->scanning_continue = 0;
708 ieee->actscanning = 0;
709
710 cancel_delayed_work(&ieee->softmac_scan_wq);
711 }
712
713 up(&ieee->scan_sem);
714}
715
716void rtllib_stop_scan(struct rtllib_device *ieee)
717{
718 if (ieee->softmac_features & IEEE_SOFTMAC_SCAN) {
719 rtllib_softmac_stop_scan(ieee);
720 } else {
721 if (ieee->rtllib_stop_hw_scan)
722 ieee->rtllib_stop_hw_scan(ieee->dev);
723 }
724}
725EXPORT_SYMBOL(rtllib_stop_scan);
726
727void rtllib_stop_scan_syncro(struct rtllib_device *ieee)
728{
729 if (ieee->softmac_features & IEEE_SOFTMAC_SCAN) {
730 ieee->sync_scan_hurryup = 1;
731 } else {
732 if (ieee->rtllib_stop_hw_scan)
733 ieee->rtllib_stop_hw_scan(ieee->dev);
734 }
735}
736EXPORT_SYMBOL(rtllib_stop_scan_syncro);
737
738bool rtllib_act_scanning(struct rtllib_device *ieee, bool sync_scan)
739{
740 if (ieee->softmac_features & IEEE_SOFTMAC_SCAN) {
741 if (sync_scan)
742 return ieee->be_scan_inprogress;
743 else
744 return ieee->actscanning || ieee->be_scan_inprogress;
745 } else {
746 return test_bit(STATUS_SCANNING, &ieee->status);
747 }
748}
749EXPORT_SYMBOL(rtllib_act_scanning);
750
751
752static void rtllib_start_scan(struct rtllib_device *ieee)
753{
754 RT_TRACE(COMP_DBG, "===>%s()\n", __func__);
755 if (ieee->rtllib_ips_leave_wq != NULL)
756 ieee->rtllib_ips_leave_wq(ieee->dev);
757
758 if (IS_DOT11D_ENABLE(ieee)) {
759 if (IS_COUNTRY_IE_VALID(ieee))
760 RESET_CIE_WATCHDOG(ieee);
761 }
762 if (ieee->softmac_features & IEEE_SOFTMAC_SCAN) {
763 if (ieee->scanning_continue == 0) {
764 ieee->actscanning = true;
765 ieee->scanning_continue = 1;
766 queue_delayed_work_rsl(ieee->wq,
767 &ieee->softmac_scan_wq, 0);
768 }
769 } else {
770 if (ieee->rtllib_start_hw_scan)
771 ieee->rtllib_start_hw_scan(ieee->dev);
772 }
773}
774
775
776void rtllib_start_scan_syncro(struct rtllib_device *ieee, u8 is_mesh)
777{
778 if (IS_DOT11D_ENABLE(ieee)) {
779 if (IS_COUNTRY_IE_VALID(ieee))
780 RESET_CIE_WATCHDOG(ieee);
781 }
782 ieee->sync_scan_hurryup = 0;
783 if (ieee->softmac_features & IEEE_SOFTMAC_SCAN) {
784 rtllib_softmac_scan_syncro(ieee, is_mesh);
785 } else {
786 if (ieee->rtllib_start_hw_scan)
787 ieee->rtllib_start_hw_scan(ieee->dev);
788 }
789}
790EXPORT_SYMBOL(rtllib_start_scan_syncro);
791
792inline struct sk_buff *rtllib_authentication_req(struct rtllib_network *beacon,
793 struct rtllib_device *ieee, int challengelen, u8 *daddr)
794{
795 struct sk_buff *skb;
796 struct rtllib_authentication *auth;
797 int len = 0;
798 len = sizeof(struct rtllib_authentication) + challengelen +
799 ieee->tx_headroom + 4;
800 skb = dev_alloc_skb(len);
801
802 if (!skb)
803 return NULL;
804
805 skb_reserve(skb, ieee->tx_headroom);
806
807 auth = (struct rtllib_authentication *)
808 skb_put(skb, sizeof(struct rtllib_authentication));
809
810 auth->header.frame_ctl = RTLLIB_STYPE_AUTH;
811 if (challengelen)
812 auth->header.frame_ctl |= RTLLIB_FCTL_WEP;
813
814 auth->header.duration_id = 0x013a;
815 memcpy(auth->header.addr1, beacon->bssid, ETH_ALEN);
816 memcpy(auth->header.addr2, ieee->dev->dev_addr, ETH_ALEN);
817 memcpy(auth->header.addr3, beacon->bssid, ETH_ALEN);
818 if (ieee->auth_mode == 0)
819 auth->algorithm = WLAN_AUTH_OPEN;
820 else if (ieee->auth_mode == 1)
821 auth->algorithm = WLAN_AUTH_SHARED_KEY;
822 else if (ieee->auth_mode == 2)
823 auth->algorithm = WLAN_AUTH_OPEN;
824 auth->transaction = cpu_to_le16(ieee->associate_seq);
825 ieee->associate_seq++;
826
827 auth->status = cpu_to_le16(WLAN_STATUS_SUCCESS);
828
829 return skb;
830}
831
832static struct sk_buff *rtllib_probe_resp(struct rtllib_device *ieee, u8 *dest)
833{
834 u8 *tag;
835 int beacon_size;
836 struct rtllib_probe_response *beacon_buf;
837 struct sk_buff *skb = NULL;
838 int encrypt;
839 int atim_len, erp_len;
840 struct lib80211_crypt_data *crypt;
841
842 char *ssid = ieee->current_network.ssid;
843 int ssid_len = ieee->current_network.ssid_len;
844 int rate_len = ieee->current_network.rates_len+2;
845 int rate_ex_len = ieee->current_network.rates_ex_len;
846 int wpa_ie_len = ieee->wpa_ie_len;
847 u8 erpinfo_content = 0;
848
849 u8 *tmp_ht_cap_buf = NULL;
850 u8 tmp_ht_cap_len = 0;
851 u8 *tmp_ht_info_buf = NULL;
852 u8 tmp_ht_info_len = 0;
853 struct rt_hi_throughput *pHTInfo = ieee->pHTInfo;
854 u8 *tmp_generic_ie_buf = NULL;
855 u8 tmp_generic_ie_len = 0;
856
857 if (rate_ex_len > 0)
858 rate_ex_len += 2;
859
860 if (ieee->current_network.capability & WLAN_CAPABILITY_IBSS)
861 atim_len = 4;
862 else
863 atim_len = 0;
864
865 if ((ieee->current_network.mode == IEEE_G) ||
866 (ieee->current_network.mode == IEEE_N_24G &&
867 ieee->pHTInfo->bCurSuppCCK)) {
868 erp_len = 3;
869 erpinfo_content = 0;
870 if (ieee->current_network.buseprotection)
871 erpinfo_content |= ERP_UseProtection;
872 } else
873 erp_len = 0;
874
875 crypt = ieee->crypt_info.crypt[ieee->crypt_info.tx_keyidx];
876 encrypt = ieee->host_encrypt && crypt && crypt->ops &&
877 ((0 == strcmp(crypt->ops->name, "R-WEP") || wpa_ie_len));
878 if (ieee->pHTInfo->bCurrentHTSupport) {
879 tmp_ht_cap_buf = (u8 *) &(ieee->pHTInfo->SelfHTCap);
880 tmp_ht_cap_len = sizeof(ieee->pHTInfo->SelfHTCap);
881 tmp_ht_info_buf = (u8 *) &(ieee->pHTInfo->SelfHTInfo);
882 tmp_ht_info_len = sizeof(ieee->pHTInfo->SelfHTInfo);
883 HTConstructCapabilityElement(ieee, tmp_ht_cap_buf,
884 &tmp_ht_cap_len, encrypt, false);
885 HTConstructInfoElement(ieee, tmp_ht_info_buf, &tmp_ht_info_len,
886 encrypt);
887
888 if (pHTInfo->bRegRT2RTAggregation) {
889 tmp_generic_ie_buf = ieee->pHTInfo->szRT2RTAggBuffer;
890 tmp_generic_ie_len =
891 sizeof(ieee->pHTInfo->szRT2RTAggBuffer);
892 HTConstructRT2RTAggElement(ieee, tmp_generic_ie_buf,
893 &tmp_generic_ie_len);
894 }
895 }
896
897 beacon_size = sizeof(struct rtllib_probe_response)+2+
898 ssid_len + 3 + rate_len + rate_ex_len + atim_len + erp_len
899 + wpa_ie_len + ieee->tx_headroom;
900 skb = dev_alloc_skb(beacon_size);
901 if (!skb)
902 return NULL;
903
904 skb_reserve(skb, ieee->tx_headroom);
905
906 beacon_buf = (struct rtllib_probe_response *) skb_put(skb,
907 (beacon_size - ieee->tx_headroom));
908 memcpy(beacon_buf->header.addr1, dest, ETH_ALEN);
909 memcpy(beacon_buf->header.addr2, ieee->dev->dev_addr, ETH_ALEN);
910 memcpy(beacon_buf->header.addr3, ieee->current_network.bssid, ETH_ALEN);
911
912 beacon_buf->header.duration_id = 0;
913 beacon_buf->beacon_interval =
914 cpu_to_le16(ieee->current_network.beacon_interval);
915 beacon_buf->capability =
916 cpu_to_le16(ieee->current_network.capability &
917 WLAN_CAPABILITY_IBSS);
918 beacon_buf->capability |=
919 cpu_to_le16(ieee->current_network.capability &
920 WLAN_CAPABILITY_SHORT_PREAMBLE);
921
922 if (ieee->short_slot && (ieee->current_network.capability &
923 WLAN_CAPABILITY_SHORT_SLOT_TIME))
924 cpu_to_le16((beacon_buf->capability |=
925 WLAN_CAPABILITY_SHORT_SLOT_TIME));
926
927 crypt = ieee->crypt_info.crypt[ieee->crypt_info.tx_keyidx];
928 if (encrypt)
929 beacon_buf->capability |= cpu_to_le16(WLAN_CAPABILITY_PRIVACY);
930
931
932 beacon_buf->header.frame_ctl = cpu_to_le16(RTLLIB_STYPE_PROBE_RESP);
933 beacon_buf->info_element[0].id = MFIE_TYPE_SSID;
934 beacon_buf->info_element[0].len = ssid_len;
935
936 tag = (u8 *) beacon_buf->info_element[0].data;
937
938 memcpy(tag, ssid, ssid_len);
939
940 tag += ssid_len;
941
942 *(tag++) = MFIE_TYPE_RATES;
943 *(tag++) = rate_len-2;
944 memcpy(tag, ieee->current_network.rates, rate_len-2);
945 tag += rate_len-2;
946
947 *(tag++) = MFIE_TYPE_DS_SET;
948 *(tag++) = 1;
949 *(tag++) = ieee->current_network.channel;
950
951 if (atim_len) {
952 u16 val16;
953 *(tag++) = MFIE_TYPE_IBSS_SET;
954 *(tag++) = 2;
955 val16 = cpu_to_le16(ieee->current_network.atim_window);
956 memcpy((u8 *)tag, (u8 *)&val16, 2);
957 tag += 2;
958 }
959
960 if (erp_len) {
961 *(tag++) = MFIE_TYPE_ERP;
962 *(tag++) = 1;
963 *(tag++) = erpinfo_content;
964 }
965 if (rate_ex_len) {
966 *(tag++) = MFIE_TYPE_RATES_EX;
967 *(tag++) = rate_ex_len-2;
968 memcpy(tag, ieee->current_network.rates_ex, rate_ex_len-2);
969 tag += rate_ex_len-2;
970 }
971
972 if (wpa_ie_len) {
973 if (ieee->iw_mode == IW_MODE_ADHOC)
974 memcpy(&ieee->wpa_ie[14], &ieee->wpa_ie[8], 4);
975 memcpy(tag, ieee->wpa_ie, ieee->wpa_ie_len);
976 tag += ieee->wpa_ie_len;
977 }
978 return skb;
979}
980
981static struct sk_buff *rtllib_assoc_resp(struct rtllib_device *ieee, u8 *dest)
982{
983 struct sk_buff *skb;
984 u8 *tag;
985
986 struct lib80211_crypt_data *crypt;
987 struct rtllib_assoc_response_frame *assoc;
988 short encrypt;
989
990 unsigned int rate_len = rtllib_MFIE_rate_len(ieee);
991 int len = sizeof(struct rtllib_assoc_response_frame) + rate_len +
992 ieee->tx_headroom;
993
994 skb = dev_alloc_skb(len);
995
996 if (!skb)
997 return NULL;
998
999 skb_reserve(skb, ieee->tx_headroom);
1000
1001 assoc = (struct rtllib_assoc_response_frame *)
1002 skb_put(skb, sizeof(struct rtllib_assoc_response_frame));
1003
1004 assoc->header.frame_ctl = cpu_to_le16(RTLLIB_STYPE_ASSOC_RESP);
1005 memcpy(assoc->header.addr1, dest, ETH_ALEN);
1006 memcpy(assoc->header.addr3, ieee->dev->dev_addr, ETH_ALEN);
1007 memcpy(assoc->header.addr2, ieee->dev->dev_addr, ETH_ALEN);
1008 assoc->capability = cpu_to_le16(ieee->iw_mode == IW_MODE_MASTER ?
1009 WLAN_CAPABILITY_ESS : WLAN_CAPABILITY_IBSS);
1010
1011
1012 if (ieee->short_slot)
1013 assoc->capability |=
1014 cpu_to_le16(WLAN_CAPABILITY_SHORT_SLOT_TIME);
1015
1016 if (ieee->host_encrypt)
1017 crypt = ieee->crypt_info.crypt[ieee->crypt_info.tx_keyidx];
1018 else
1019 crypt = NULL;
1020
1021 encrypt = (crypt && crypt->ops);
1022
1023 if (encrypt)
1024 assoc->capability |= cpu_to_le16(WLAN_CAPABILITY_PRIVACY);
1025
1026 assoc->status = 0;
1027 assoc->aid = cpu_to_le16(ieee->assoc_id);
1028 if (ieee->assoc_id == 0x2007)
1029 ieee->assoc_id = 0;
1030 else
1031 ieee->assoc_id++;
1032
1033 tag = (u8 *) skb_put(skb, rate_len);
1034 rtllib_MFIE_Brate(ieee, &tag);
1035 rtllib_MFIE_Grate(ieee, &tag);
1036
1037 return skb;
1038}
1039
1040static struct sk_buff *rtllib_auth_resp(struct rtllib_device *ieee, int status,
1041 u8 *dest)
1042{
1043 struct sk_buff *skb = NULL;
1044 struct rtllib_authentication *auth;
1045 int len = ieee->tx_headroom + sizeof(struct rtllib_authentication) + 1;
1046 skb = dev_alloc_skb(len);
1047 if (!skb)
1048 return NULL;
1049
1050 skb->len = sizeof(struct rtllib_authentication);
1051
1052 skb_reserve(skb, ieee->tx_headroom);
1053
1054 auth = (struct rtllib_authentication *)
1055 skb_put(skb, sizeof(struct rtllib_authentication));
1056
1057 auth->status = cpu_to_le16(status);
1058 auth->transaction = cpu_to_le16(2);
1059 auth->algorithm = cpu_to_le16(WLAN_AUTH_OPEN);
1060
1061 memcpy(auth->header.addr3, ieee->dev->dev_addr, ETH_ALEN);
1062 memcpy(auth->header.addr2, ieee->dev->dev_addr, ETH_ALEN);
1063 memcpy(auth->header.addr1, dest, ETH_ALEN);
1064 auth->header.frame_ctl = cpu_to_le16(RTLLIB_STYPE_AUTH);
1065 return skb;
1066
1067
1068}
1069
1070static struct sk_buff *rtllib_null_func(struct rtllib_device *ieee, short pwr)
1071{
1072 struct sk_buff *skb;
1073 struct rtllib_hdr_3addr *hdr;
1074
1075 skb = dev_alloc_skb(sizeof(struct rtllib_hdr_3addr)+ieee->tx_headroom);
1076 if (!skb)
1077 return NULL;
1078
1079 skb_reserve(skb, ieee->tx_headroom);
1080
1081 hdr = (struct rtllib_hdr_3addr *)skb_put(skb,
1082 sizeof(struct rtllib_hdr_3addr));
1083
1084 memcpy(hdr->addr1, ieee->current_network.bssid, ETH_ALEN);
1085 memcpy(hdr->addr2, ieee->dev->dev_addr, ETH_ALEN);
1086 memcpy(hdr->addr3, ieee->current_network.bssid, ETH_ALEN);
1087
1088 hdr->frame_ctl = cpu_to_le16(RTLLIB_FTYPE_DATA |
1089 RTLLIB_STYPE_NULLFUNC | RTLLIB_FCTL_TODS |
1090 (pwr ? RTLLIB_FCTL_PM : 0));
1091
1092 return skb;
1093
1094
1095}
1096
1097static struct sk_buff *rtllib_pspoll_func(struct rtllib_device *ieee)
1098{
1099 struct sk_buff *skb;
1100 struct rtllib_pspoll_hdr *hdr;
1101
1102 skb = dev_alloc_skb(sizeof(struct rtllib_pspoll_hdr)+ieee->tx_headroom);
1103 if (!skb)
1104 return NULL;
1105
1106 skb_reserve(skb, ieee->tx_headroom);
1107
1108 hdr = (struct rtllib_pspoll_hdr *)skb_put(skb,
1109 sizeof(struct rtllib_pspoll_hdr));
1110
1111 memcpy(hdr->bssid, ieee->current_network.bssid, ETH_ALEN);
1112 memcpy(hdr->ta, ieee->dev->dev_addr, ETH_ALEN);
1113
1114 hdr->aid = cpu_to_le16(ieee->assoc_id | 0xc000);
1115 hdr->frame_ctl = cpu_to_le16(RTLLIB_FTYPE_CTL | RTLLIB_STYPE_PSPOLL |
1116 RTLLIB_FCTL_PM);
1117
1118 return skb;
1119
1120}
1121
1122static void rtllib_resp_to_assoc_rq(struct rtllib_device *ieee, u8 *dest)
1123{
1124 struct sk_buff *buf = rtllib_assoc_resp(ieee, dest);
1125
1126 if (buf)
1127 softmac_mgmt_xmit(buf, ieee);
1128}
1129
1130
1131static void rtllib_resp_to_auth(struct rtllib_device *ieee, int s, u8 *dest)
1132{
1133 struct sk_buff *buf = rtllib_auth_resp(ieee, s, dest);
1134
1135 if (buf)
1136 softmac_mgmt_xmit(buf, ieee);
1137}
1138
1139
1140static void rtllib_resp_to_probe(struct rtllib_device *ieee, u8 *dest)
1141{
1142
1143 struct sk_buff *buf = rtllib_probe_resp(ieee, dest);
1144 if (buf)
1145 softmac_mgmt_xmit(buf, ieee);
1146}
1147
1148
1149inline int SecIsInPMKIDList(struct rtllib_device *ieee, u8 *bssid)
1150{
1151 int i = 0;
1152
1153 do {
1154 if ((ieee->PMKIDList[i].bUsed) &&
1155 (memcmp(ieee->PMKIDList[i].Bssid, bssid, ETH_ALEN) == 0))
1156 break;
1157 else
1158 i++;
1159 } while (i < NUM_PMKID_CACHE);
1160
1161 if (i == NUM_PMKID_CACHE)
1162 i = -1;
1163 return i;
1164}
1165
1166inline struct sk_buff *rtllib_association_req(struct rtllib_network *beacon,
1167 struct rtllib_device *ieee)
1168{
1169 struct sk_buff *skb;
1170 struct rtllib_assoc_request_frame *hdr;
1171 u8 *tag, *ies;
1172 int i;
1173 u8 *ht_cap_buf = NULL;
1174 u8 ht_cap_len = 0;
1175 u8 *realtek_ie_buf = NULL;
1176 u8 realtek_ie_len = 0;
1177 int wpa_ie_len = ieee->wpa_ie_len;
1178 int wps_ie_len = ieee->wps_ie_len;
1179 unsigned int ckip_ie_len = 0;
1180 unsigned int ccxrm_ie_len = 0;
1181 unsigned int cxvernum_ie_len = 0;
1182 struct lib80211_crypt_data *crypt;
1183 int encrypt;
1184 int PMKCacheIdx;
1185
1186 unsigned int rate_len = (beacon->rates_len ?
1187 (beacon->rates_len + 2) : 0) +
1188 (beacon->rates_ex_len ? (beacon->rates_ex_len) +
1189 2 : 0);
1190
1191 unsigned int wmm_info_len = beacon->qos_data.supported ? 9 : 0;
1192 unsigned int turbo_info_len = beacon->Turbo_Enable ? 9 : 0;
1193
1194 int len = 0;
1195 crypt = ieee->crypt_info.crypt[ieee->crypt_info.tx_keyidx];
1196 if (crypt != NULL)
1197 encrypt = ieee->host_encrypt && crypt && crypt->ops &&
1198 ((0 == strcmp(crypt->ops->name, "R-WEP") ||
1199 wpa_ie_len));
1200 else
1201 encrypt = 0;
1202
1203 if ((ieee->rtllib_ap_sec_type &&
1204 (ieee->rtllib_ap_sec_type(ieee) & SEC_ALG_TKIP)) ||
1205 (ieee->bForcedBgMode == true)) {
1206 ieee->pHTInfo->bEnableHT = 0;
1207 ieee->mode = WIRELESS_MODE_G;
1208 }
1209
1210 if (ieee->pHTInfo->bCurrentHTSupport && ieee->pHTInfo->bEnableHT) {
1211 ht_cap_buf = (u8 *)&(ieee->pHTInfo->SelfHTCap);
1212 ht_cap_len = sizeof(ieee->pHTInfo->SelfHTCap);
1213 HTConstructCapabilityElement(ieee, ht_cap_buf, &ht_cap_len,
1214 encrypt, true);
1215 if (ieee->pHTInfo->bCurrentRT2RTAggregation) {
1216 realtek_ie_buf = ieee->pHTInfo->szRT2RTAggBuffer;
1217 realtek_ie_len =
1218 sizeof(ieee->pHTInfo->szRT2RTAggBuffer);
1219 HTConstructRT2RTAggElement(ieee, realtek_ie_buf,
1220 &realtek_ie_len);
1221 }
1222 }
1223
1224 if (beacon->bCkipSupported)
1225 ckip_ie_len = 30+2;
1226 if (beacon->bCcxRmEnable)
1227 ccxrm_ie_len = 6+2;
1228 if (beacon->BssCcxVerNumber >= 2)
1229 cxvernum_ie_len = 5+2;
1230
1231 PMKCacheIdx = SecIsInPMKIDList(ieee, ieee->current_network.bssid);
1232 if (PMKCacheIdx >= 0) {
1233 wpa_ie_len += 18;
1234 printk(KERN_INFO "[PMK cache]: WPA2 IE length: %x\n",
1235 wpa_ie_len);
1236 }
1237 len = sizeof(struct rtllib_assoc_request_frame) + 2
1238 + beacon->ssid_len
1239 + rate_len
1240 + wpa_ie_len
1241 + wps_ie_len
1242 + wmm_info_len
1243 + turbo_info_len
1244 + ht_cap_len
1245 + realtek_ie_len
1246 + ckip_ie_len
1247 + ccxrm_ie_len
1248 + cxvernum_ie_len
1249 + ieee->tx_headroom;
1250
1251 skb = dev_alloc_skb(len);
1252
1253 if (!skb)
1254 return NULL;
1255
1256 skb_reserve(skb, ieee->tx_headroom);
1257
1258 hdr = (struct rtllib_assoc_request_frame *)
1259 skb_put(skb, sizeof(struct rtllib_assoc_request_frame) + 2);
1260
1261
1262 hdr->header.frame_ctl = RTLLIB_STYPE_ASSOC_REQ;
1263 hdr->header.duration_id = 37;
1264 memcpy(hdr->header.addr1, beacon->bssid, ETH_ALEN);
1265 memcpy(hdr->header.addr2, ieee->dev->dev_addr, ETH_ALEN);
1266 memcpy(hdr->header.addr3, beacon->bssid, ETH_ALEN);
1267
1268 memcpy(ieee->ap_mac_addr, beacon->bssid, ETH_ALEN);
1269
1270 hdr->capability = cpu_to_le16(WLAN_CAPABILITY_ESS);
1271 if (beacon->capability & WLAN_CAPABILITY_PRIVACY)
1272 hdr->capability |= cpu_to_le16(WLAN_CAPABILITY_PRIVACY);
1273
1274 if (beacon->capability & WLAN_CAPABILITY_SHORT_PREAMBLE)
1275 hdr->capability |= cpu_to_le16(WLAN_CAPABILITY_SHORT_PREAMBLE);
1276
1277 if (ieee->short_slot &&
1278 (beacon->capability&WLAN_CAPABILITY_SHORT_SLOT_TIME))
1279 hdr->capability |= cpu_to_le16(WLAN_CAPABILITY_SHORT_SLOT_TIME);
1280
1281
1282 hdr->listen_interval = beacon->listen_interval;
1283
1284 hdr->info_element[0].id = MFIE_TYPE_SSID;
1285
1286 hdr->info_element[0].len = beacon->ssid_len;
1287 tag = skb_put(skb, beacon->ssid_len);
1288 memcpy(tag, beacon->ssid, beacon->ssid_len);
1289
1290 tag = skb_put(skb, rate_len);
1291
1292 if (beacon->rates_len) {
1293 *tag++ = MFIE_TYPE_RATES;
1294 *tag++ = beacon->rates_len;
1295 for (i = 0; i < beacon->rates_len; i++)
1296 *tag++ = beacon->rates[i];
1297 }
1298
1299 if (beacon->rates_ex_len) {
1300 *tag++ = MFIE_TYPE_RATES_EX;
1301 *tag++ = beacon->rates_ex_len;
1302 for (i = 0; i < beacon->rates_ex_len; i++)
1303 *tag++ = beacon->rates_ex[i];
1304 }
1305
1306 if (beacon->bCkipSupported) {
1307 static u8 AironetIeOui[] = {0x00, 0x01, 0x66};
1308 u8 CcxAironetBuf[30];
1309 struct octet_string osCcxAironetIE;
1310
1311 memset(CcxAironetBuf, 0, 30);
1312 osCcxAironetIE.Octet = CcxAironetBuf;
1313 osCcxAironetIE.Length = sizeof(CcxAironetBuf);
1314 memcpy(osCcxAironetIE.Octet, AironetIeOui,
1315 sizeof(AironetIeOui));
1316
1317 osCcxAironetIE.Octet[IE_CISCO_FLAG_POSITION] |=
1318 (SUPPORT_CKIP_PK|SUPPORT_CKIP_MIC);
1319 tag = skb_put(skb, ckip_ie_len);
1320 *tag++ = MFIE_TYPE_AIRONET;
1321 *tag++ = osCcxAironetIE.Length;
1322 memcpy(tag, osCcxAironetIE.Octet, osCcxAironetIE.Length);
1323 tag += osCcxAironetIE.Length;
1324 }
1325
1326 if (beacon->bCcxRmEnable) {
1327 static u8 CcxRmCapBuf[] = {0x00, 0x40, 0x96, 0x01, 0x01, 0x00};
1328 struct octet_string osCcxRmCap;
1329
1330 osCcxRmCap.Octet = CcxRmCapBuf;
1331 osCcxRmCap.Length = sizeof(CcxRmCapBuf);
1332 tag = skb_put(skb, ccxrm_ie_len);
1333 *tag++ = MFIE_TYPE_GENERIC;
1334 *tag++ = osCcxRmCap.Length;
1335 memcpy(tag, osCcxRmCap.Octet, osCcxRmCap.Length);
1336 tag += osCcxRmCap.Length;
1337 }
1338
1339 if (beacon->BssCcxVerNumber >= 2) {
1340 u8 CcxVerNumBuf[] = {0x00, 0x40, 0x96, 0x03, 0x00};
1341 struct octet_string osCcxVerNum;
1342 CcxVerNumBuf[4] = beacon->BssCcxVerNumber;
1343 osCcxVerNum.Octet = CcxVerNumBuf;
1344 osCcxVerNum.Length = sizeof(CcxVerNumBuf);
1345 tag = skb_put(skb, cxvernum_ie_len);
1346 *tag++ = MFIE_TYPE_GENERIC;
1347 *tag++ = osCcxVerNum.Length;
1348 memcpy(tag, osCcxVerNum.Octet, osCcxVerNum.Length);
1349 tag += osCcxVerNum.Length;
1350 }
1351 if (ieee->pHTInfo->bCurrentHTSupport && ieee->pHTInfo->bEnableHT) {
1352 if (ieee->pHTInfo->ePeerHTSpecVer != HT_SPEC_VER_EWC) {
1353 tag = skb_put(skb, ht_cap_len);
1354 *tag++ = MFIE_TYPE_HT_CAP;
1355 *tag++ = ht_cap_len - 2;
1356 memcpy(tag, ht_cap_buf, ht_cap_len - 2);
1357 tag += ht_cap_len - 2;
1358 }
1359 }
1360
1361 if (wpa_ie_len) {
1362 tag = skb_put(skb, ieee->wpa_ie_len);
1363 memcpy(tag, ieee->wpa_ie, ieee->wpa_ie_len);
1364
1365 if (PMKCacheIdx >= 0) {
1366 tag = skb_put(skb, 18);
1367 *tag = 1;
1368 *(tag + 1) = 0;
1369 memcpy((tag + 2), &ieee->PMKIDList[PMKCacheIdx].PMKID,
1370 16);
1371 }
1372 }
1373 if (wmm_info_len) {
1374 tag = skb_put(skb, wmm_info_len);
1375 rtllib_WMM_Info(ieee, &tag);
1376 }
1377
1378 if (wps_ie_len && ieee->wps_ie) {
1379 tag = skb_put(skb, wps_ie_len);
1380 memcpy(tag, ieee->wps_ie, wps_ie_len);
1381 }
1382
1383 tag = skb_put(skb, turbo_info_len);
1384 if (turbo_info_len)
1385 rtllib_TURBO_Info(ieee, &tag);
1386
1387 if (ieee->pHTInfo->bCurrentHTSupport && ieee->pHTInfo->bEnableHT) {
1388 if (ieee->pHTInfo->ePeerHTSpecVer == HT_SPEC_VER_EWC) {
1389 tag = skb_put(skb, ht_cap_len);
1390 *tag++ = MFIE_TYPE_GENERIC;
1391 *tag++ = ht_cap_len - 2;
1392 memcpy(tag, ht_cap_buf, ht_cap_len - 2);
1393 tag += ht_cap_len - 2;
1394 }
1395
1396 if (ieee->pHTInfo->bCurrentRT2RTAggregation) {
1397 tag = skb_put(skb, realtek_ie_len);
1398 *tag++ = MFIE_TYPE_GENERIC;
1399 *tag++ = realtek_ie_len - 2;
1400 memcpy(tag, realtek_ie_buf, realtek_ie_len - 2);
1401 }
1402 }
1403
1404 kfree(ieee->assocreq_ies);
1405 ieee->assocreq_ies = NULL;
1406 ies = &(hdr->info_element[0].id);
1407 ieee->assocreq_ies_len = (skb->data + skb->len) - ies;
1408 ieee->assocreq_ies = kmalloc(ieee->assocreq_ies_len, GFP_ATOMIC);
1409 if (ieee->assocreq_ies)
1410 memcpy(ieee->assocreq_ies, ies, ieee->assocreq_ies_len);
1411 else {
1412 printk(KERN_INFO "%s()Warning: can't alloc memory for assocreq"
1413 "_ies\n", __func__);
1414 ieee->assocreq_ies_len = 0;
1415 }
1416 return skb;
1417}
1418
1419void rtllib_associate_abort(struct rtllib_device *ieee)
1420{
1421
1422 unsigned long flags;
1423 spin_lock_irqsave(&ieee->lock, flags);
1424
1425 ieee->associate_seq++;
1426
1427
1428
1429
1430
1431
1432
1433 if (ieee->state == RTLLIB_ASSOCIATING_AUTHENTICATING) {
1434 RTLLIB_DEBUG_MGMT("Authentication failed\n");
1435 ieee->softmac_stats.no_auth_rs++;
1436 } else {
1437 RTLLIB_DEBUG_MGMT("Association failed\n");
1438 ieee->softmac_stats.no_ass_rs++;
1439 }
1440
1441 ieee->state = RTLLIB_ASSOCIATING_RETRY;
1442
1443 queue_delayed_work_rsl(ieee->wq, &ieee->associate_retry_wq,
1444 RTLLIB_SOFTMAC_ASSOC_RETRY_TIME);
1445
1446 spin_unlock_irqrestore(&ieee->lock, flags);
1447}
1448
1449static void rtllib_associate_abort_cb(unsigned long dev)
1450{
1451 rtllib_associate_abort((struct rtllib_device *) dev);
1452}
1453
1454static void rtllib_associate_step1(struct rtllib_device *ieee, u8 * daddr)
1455{
1456 struct rtllib_network *beacon = &ieee->current_network;
1457 struct sk_buff *skb;
1458
1459 RTLLIB_DEBUG_MGMT("Stopping scan\n");
1460
1461 ieee->softmac_stats.tx_auth_rq++;
1462
1463 skb = rtllib_authentication_req(beacon, ieee, 0, daddr);
1464
1465 if (!skb)
1466 rtllib_associate_abort(ieee);
1467 else {
1468 ieee->state = RTLLIB_ASSOCIATING_AUTHENTICATING ;
1469 RTLLIB_DEBUG_MGMT("Sending authentication request\n");
1470 softmac_mgmt_xmit(skb, ieee);
1471 if (!timer_pending(&ieee->associate_timer)) {
1472 ieee->associate_timer.expires = jiffies + (HZ / 2);
1473 add_timer(&ieee->associate_timer);
1474 }
1475 }
1476}
1477
1478static void rtllib_auth_challenge(struct rtllib_device *ieee, u8 *challenge, int chlen)
1479{
1480 u8 *c;
1481 struct sk_buff *skb;
1482 struct rtllib_network *beacon = &ieee->current_network;
1483
1484 ieee->associate_seq++;
1485 ieee->softmac_stats.tx_auth_rq++;
1486
1487 skb = rtllib_authentication_req(beacon, ieee, chlen + 2, beacon->bssid);
1488
1489 if (!skb)
1490 rtllib_associate_abort(ieee);
1491 else {
1492 c = skb_put(skb, chlen+2);
1493 *(c++) = MFIE_TYPE_CHALLENGE;
1494 *(c++) = chlen;
1495 memcpy(c, challenge, chlen);
1496
1497 RTLLIB_DEBUG_MGMT("Sending authentication challenge "
1498 "response\n");
1499
1500 rtllib_encrypt_fragment(ieee, skb,
1501 sizeof(struct rtllib_hdr_3addr));
1502
1503 softmac_mgmt_xmit(skb, ieee);
1504 mod_timer(&ieee->associate_timer, jiffies + (HZ/2));
1505 }
1506 kfree(challenge);
1507}
1508
1509static void rtllib_associate_step2(struct rtllib_device *ieee)
1510{
1511 struct sk_buff *skb;
1512 struct rtllib_network *beacon = &ieee->current_network;
1513
1514 del_timer_sync(&ieee->associate_timer);
1515
1516 RTLLIB_DEBUG_MGMT("Sending association request\n");
1517
1518 ieee->softmac_stats.tx_ass_rq++;
1519 skb = rtllib_association_req(beacon, ieee);
1520 if (!skb)
1521 rtllib_associate_abort(ieee);
1522 else {
1523 softmac_mgmt_xmit(skb, ieee);
1524 mod_timer(&ieee->associate_timer, jiffies + (HZ/2));
1525 }
1526}
1527
1528#define CANCELLED 2
1529static void rtllib_associate_complete_wq(void *data)
1530{
1531 struct rtllib_device *ieee = (struct rtllib_device *)
1532 container_of_work_rsl(data,
1533 struct rtllib_device,
1534 associate_complete_wq);
1535 struct rt_pwr_save_ctrl *pPSC = (struct rt_pwr_save_ctrl *)
1536 (&(ieee->PowerSaveControl));
1537 printk(KERN_INFO "Associated successfully\n");
1538 if (ieee->is_silent_reset == 0) {
1539 printk(KERN_INFO "normal associate\n");
1540 notify_wx_assoc_event(ieee);
1541 }
1542
1543 netif_carrier_on(ieee->dev);
1544 ieee->is_roaming = false;
1545 if (rtllib_is_54g(&ieee->current_network) &&
1546 (ieee->modulation & RTLLIB_OFDM_MODULATION)) {
1547 ieee->rate = 108;
1548 printk(KERN_INFO"Using G rates:%d\n", ieee->rate);
1549 } else {
1550 ieee->rate = 22;
1551 ieee->SetWirelessMode(ieee->dev, IEEE_B);
1552 printk(KERN_INFO"Using B rates:%d\n", ieee->rate);
1553 }
1554 if (ieee->pHTInfo->bCurrentHTSupport && ieee->pHTInfo->bEnableHT) {
1555 printk(KERN_INFO "Successfully associated, ht enabled\n");
1556 HTOnAssocRsp(ieee);
1557 } else {
1558 printk(KERN_INFO "Successfully associated, ht not "
1559 "enabled(%d, %d)\n",
1560 ieee->pHTInfo->bCurrentHTSupport,
1561 ieee->pHTInfo->bEnableHT);
1562 memset(ieee->dot11HTOperationalRateSet, 0, 16);
1563 }
1564 ieee->LinkDetectInfo.SlotNum = 2 * (1 +
1565 ieee->current_network.beacon_interval /
1566 500);
1567 if (ieee->LinkDetectInfo.NumRecvBcnInPeriod == 0 ||
1568 ieee->LinkDetectInfo.NumRecvDataInPeriod == 0) {
1569 ieee->LinkDetectInfo.NumRecvBcnInPeriod = 1;
1570 ieee->LinkDetectInfo.NumRecvDataInPeriod = 1;
1571 }
1572 pPSC->LpsIdleCount = 0;
1573 ieee->link_change(ieee->dev);
1574
1575 if (ieee->is_silent_reset == 1) {
1576 printk(KERN_INFO "silent reset associate\n");
1577 ieee->is_silent_reset = 0;
1578 }
1579
1580 if (ieee->data_hard_resume)
1581 ieee->data_hard_resume(ieee->dev);
1582
1583}
1584
1585static void rtllib_sta_send_associnfo(struct rtllib_device *ieee)
1586{
1587}
1588
1589static void rtllib_associate_complete(struct rtllib_device *ieee)
1590{
1591 del_timer_sync(&ieee->associate_timer);
1592
1593 ieee->state = RTLLIB_LINKED;
1594 rtllib_sta_send_associnfo(ieee);
1595
1596 queue_work_rsl(ieee->wq, &ieee->associate_complete_wq);
1597}
1598
1599static void rtllib_associate_procedure_wq(void *data)
1600{
1601 struct rtllib_device *ieee = container_of_dwork_rsl(data,
1602 struct rtllib_device,
1603 associate_procedure_wq);
1604 rtllib_stop_scan_syncro(ieee);
1605 if (ieee->rtllib_ips_leave != NULL)
1606 ieee->rtllib_ips_leave(ieee->dev);
1607 down(&ieee->wx_sem);
1608
1609 if (ieee->data_hard_stop)
1610 ieee->data_hard_stop(ieee->dev);
1611
1612 rtllib_stop_scan(ieee);
1613 RT_TRACE(COMP_DBG, "===>%s(), chan:%d\n", __func__,
1614 ieee->current_network.channel);
1615 HTSetConnectBwMode(ieee, HT_CHANNEL_WIDTH_20, HT_EXTCHNL_OFFSET_NO_EXT);
1616 if (ieee->eRFPowerState == eRfOff) {
1617 RT_TRACE(COMP_DBG, "=============>%s():Rf state is eRfOff,"
1618 " schedule ipsleave wq again,return\n", __func__);
1619 if (ieee->rtllib_ips_leave_wq != NULL)
1620 ieee->rtllib_ips_leave_wq(ieee->dev);
1621 up(&ieee->wx_sem);
1622 return;
1623 }
1624 ieee->associate_seq = 1;
1625
1626 rtllib_associate_step1(ieee, ieee->current_network.bssid);
1627
1628 up(&ieee->wx_sem);
1629}
1630
1631inline void rtllib_softmac_new_net(struct rtllib_device *ieee,
1632 struct rtllib_network *net)
1633{
1634 u8 tmp_ssid[IW_ESSID_MAX_SIZE + 1];
1635 int tmp_ssid_len = 0;
1636
1637 short apset, ssidset, ssidbroad, apmatch, ssidmatch;
1638
1639
1640
1641
1642 if (ieee->state != RTLLIB_NOLINK)
1643 return;
1644
1645 if ((ieee->iw_mode == IW_MODE_INFRA) && !(net->capability &
1646 WLAN_CAPABILITY_ESS))
1647 return;
1648
1649 if ((ieee->iw_mode == IW_MODE_ADHOC) && !(net->capability &
1650 WLAN_CAPABILITY_IBSS))
1651 return;
1652
1653 if ((ieee->iw_mode == IW_MODE_ADHOC) &&
1654 (net->channel > ieee->ibss_maxjoin_chal))
1655 return;
1656 if (ieee->iw_mode == IW_MODE_INFRA || ieee->iw_mode == IW_MODE_ADHOC) {
1657
1658
1659
1660
1661 apset = ieee->wap_set;
1662 ssidset = ieee->ssid_set;
1663 ssidbroad = !(net->ssid_len == 0 || net->ssid[0] == '\0');
1664 apmatch = (memcmp(ieee->current_network.bssid, net->bssid,
1665 ETH_ALEN) == 0);
1666 if (!ssidbroad) {
1667 ssidmatch = (ieee->current_network.ssid_len ==
1668 net->hidden_ssid_len) &&
1669 (!strncmp(ieee->current_network.ssid,
1670 net->hidden_ssid, net->hidden_ssid_len));
1671 if (net->hidden_ssid_len > 0) {
1672 strncpy(net->ssid, net->hidden_ssid,
1673 net->hidden_ssid_len);
1674 net->ssid_len = net->hidden_ssid_len;
1675 ssidbroad = 1;
1676 }
1677 } else
1678 ssidmatch =
1679 (ieee->current_network.ssid_len == net->ssid_len) &&
1680 (!strncmp(ieee->current_network.ssid, net->ssid,
1681 net->ssid_len));
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693 if ((apset && apmatch &&
1694 ((ssidset && ssidbroad && ssidmatch) ||
1695 (ssidbroad && !ssidset) || (!ssidbroad && ssidset))) ||
1696 (!apset && ssidset && ssidbroad && ssidmatch) ||
1697 (ieee->is_roaming && ssidset && ssidbroad && ssidmatch)) {
1698
1699
1700
1701 if (!ssidbroad) {
1702 strncpy(tmp_ssid, ieee->current_network.ssid,
1703 IW_ESSID_MAX_SIZE);
1704 tmp_ssid_len = ieee->current_network.ssid_len;
1705 }
1706 memcpy(&ieee->current_network, net,
1707 sizeof(struct rtllib_network));
1708 if (!ssidbroad) {
1709 strncpy(ieee->current_network.ssid, tmp_ssid,
1710 IW_ESSID_MAX_SIZE);
1711 ieee->current_network.ssid_len = tmp_ssid_len;
1712 }
1713 printk(KERN_INFO"Linking with %s,channel:%d, qos:%d, "
1714 "myHT:%d, networkHT:%d, mode:%x cur_net.flags"
1715 ":0x%x\n", ieee->current_network.ssid,
1716 ieee->current_network.channel,
1717 ieee->current_network.qos_data.supported,
1718 ieee->pHTInfo->bEnableHT,
1719 ieee->current_network.bssht.bdSupportHT,
1720 ieee->current_network.mode,
1721 ieee->current_network.flags);
1722
1723 if ((rtllib_act_scanning(ieee, false)) &&
1724 !(ieee->softmac_features & IEEE_SOFTMAC_SCAN))
1725 rtllib_stop_scan_syncro(ieee);
1726
1727 ieee->hwscan_ch_bk = ieee->current_network.channel;
1728 HTResetIOTSetting(ieee->pHTInfo);
1729 ieee->wmm_acm = 0;
1730 if (ieee->iw_mode == IW_MODE_INFRA) {
1731
1732 ieee->AsocRetryCount = 0;
1733 if ((ieee->current_network.qos_data.supported == 1) &&
1734 ieee->current_network.bssht.bdSupportHT)
1735 HTResetSelfAndSavePeerSetting(ieee,
1736 &(ieee->current_network));
1737 else
1738 ieee->pHTInfo->bCurrentHTSupport =
1739 false;
1740
1741 ieee->state = RTLLIB_ASSOCIATING;
1742 if (ieee->LedControlHandler != NULL)
1743 ieee->LedControlHandler(ieee->dev,
1744 LED_CTL_START_TO_LINK);
1745 queue_delayed_work_rsl(ieee->wq,
1746 &ieee->associate_procedure_wq, 0);
1747 } else {
1748 if (rtllib_is_54g(&ieee->current_network) &&
1749 (ieee->modulation & RTLLIB_OFDM_MODULATION)) {
1750 ieee->rate = 108;
1751 ieee->SetWirelessMode(ieee->dev, IEEE_G);
1752 printk(KERN_INFO"Using G rates\n");
1753 } else {
1754 ieee->rate = 22;
1755 ieee->SetWirelessMode(ieee->dev, IEEE_B);
1756 printk(KERN_INFO"Using B rates\n");
1757 }
1758 memset(ieee->dot11HTOperationalRateSet, 0, 16);
1759 ieee->state = RTLLIB_LINKED;
1760 }
1761 }
1762 }
1763}
1764
1765void rtllib_softmac_check_all_nets(struct rtllib_device *ieee)
1766{
1767 unsigned long flags;
1768 struct rtllib_network *target;
1769
1770 spin_lock_irqsave(&ieee->lock, flags);
1771
1772 list_for_each_entry(target, &ieee->network_list, list) {
1773
1774
1775
1776
1777
1778 if (ieee->state != RTLLIB_NOLINK)
1779 break;
1780
1781 if (ieee->scan_age == 0 || time_after(target->last_scanned +
1782 ieee->scan_age, jiffies))
1783 rtllib_softmac_new_net(ieee, target);
1784 }
1785 spin_unlock_irqrestore(&ieee->lock, flags);
1786}
1787
1788static inline u16 auth_parse(struct sk_buff *skb, u8** challenge, int *chlen)
1789{
1790 struct rtllib_authentication *a;
1791 u8 *t;
1792 if (skb->len < (sizeof(struct rtllib_authentication) -
1793 sizeof(struct rtllib_info_element))) {
1794 RTLLIB_DEBUG_MGMT("invalid len in auth resp: %d\n", skb->len);
1795 return 0xcafe;
1796 }
1797 *challenge = NULL;
1798 a = (struct rtllib_authentication *) skb->data;
1799 if (skb->len > (sizeof(struct rtllib_authentication) + 3)) {
1800 t = skb->data + sizeof(struct rtllib_authentication);
1801
1802 if (*(t++) == MFIE_TYPE_CHALLENGE) {
1803 *chlen = *(t++);
1804 *challenge = kmemdup(t, *chlen, GFP_ATOMIC);
1805 if (!*challenge)
1806 return -ENOMEM;
1807 }
1808 }
1809 return cpu_to_le16(a->status);
1810}
1811
1812static int auth_rq_parse(struct sk_buff *skb, u8 *dest)
1813{
1814 struct rtllib_authentication *a;
1815
1816 if (skb->len < (sizeof(struct rtllib_authentication) -
1817 sizeof(struct rtllib_info_element))) {
1818 RTLLIB_DEBUG_MGMT("invalid len in auth request: %d\n",
1819 skb->len);
1820 return -1;
1821 }
1822 a = (struct rtllib_authentication *) skb->data;
1823
1824 memcpy(dest, a->header.addr2, ETH_ALEN);
1825
1826 if (le16_to_cpu(a->algorithm) != WLAN_AUTH_OPEN)
1827 return WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG;
1828
1829 return WLAN_STATUS_SUCCESS;
1830}
1831
1832static short probe_rq_parse(struct rtllib_device *ieee, struct sk_buff *skb,
1833 u8 *src)
1834{
1835 u8 *tag;
1836 u8 *skbend;
1837 u8 *ssid = NULL;
1838 u8 ssidlen = 0;
1839 struct rtllib_hdr_3addr *header =
1840 (struct rtllib_hdr_3addr *) skb->data;
1841 bool bssid_match;
1842
1843 if (skb->len < sizeof(struct rtllib_hdr_3addr))
1844 return -1;
1845
1846 bssid_match =
1847 (memcmp(header->addr3, ieee->current_network.bssid, ETH_ALEN) != 0) &&
1848 (!is_broadcast_ether_addr(header->addr3));
1849 if (bssid_match)
1850 return -1;
1851
1852 memcpy(src, header->addr2, ETH_ALEN);
1853
1854 skbend = (u8 *)skb->data + skb->len;
1855
1856 tag = skb->data + sizeof(struct rtllib_hdr_3addr);
1857
1858 while (tag + 1 < skbend) {
1859 if (*tag == 0) {
1860 ssid = tag + 2;
1861 ssidlen = *(tag + 1);
1862 break;
1863 }
1864 tag++;
1865 tag = tag + *(tag);
1866 tag++;
1867 }
1868
1869 if (ssidlen == 0)
1870 return 1;
1871
1872 if (!ssid)
1873 return 1;
1874
1875 return !strncmp(ssid, ieee->current_network.ssid, ssidlen);
1876}
1877
1878static int assoc_rq_parse(struct sk_buff *skb, u8 *dest)
1879{
1880 struct rtllib_assoc_request_frame *a;
1881
1882 if (skb->len < (sizeof(struct rtllib_assoc_request_frame) -
1883 sizeof(struct rtllib_info_element))) {
1884
1885 RTLLIB_DEBUG_MGMT("invalid len in auth request:%d\n", skb->len);
1886 return -1;
1887 }
1888
1889 a = (struct rtllib_assoc_request_frame *) skb->data;
1890
1891 memcpy(dest, a->header.addr2, ETH_ALEN);
1892
1893 return 0;
1894}
1895
1896static inline u16 assoc_parse(struct rtllib_device *ieee, struct sk_buff *skb,
1897 int *aid)
1898{
1899 struct rtllib_assoc_response_frame *response_head;
1900 u16 status_code;
1901
1902 if (skb->len < sizeof(struct rtllib_assoc_response_frame)) {
1903 RTLLIB_DEBUG_MGMT("invalid len in auth resp: %d\n", skb->len);
1904 return 0xcafe;
1905 }
1906
1907 response_head = (struct rtllib_assoc_response_frame *) skb->data;
1908 *aid = le16_to_cpu(response_head->aid) & 0x3fff;
1909
1910 status_code = le16_to_cpu(response_head->status);
1911 if ((status_code == WLAN_STATUS_ASSOC_DENIED_RATES ||
1912 status_code == WLAN_STATUS_CAPS_UNSUPPORTED) &&
1913 ((ieee->mode == IEEE_G) &&
1914 (ieee->current_network.mode == IEEE_N_24G) &&
1915 (ieee->AsocRetryCount++ < (RT_ASOC_RETRY_LIMIT-1)))) {
1916 ieee->pHTInfo->IOTAction |= HT_IOT_ACT_PURE_N_MODE;
1917 } else {
1918 ieee->AsocRetryCount = 0;
1919 }
1920
1921 return le16_to_cpu(response_head->status);
1922}
1923
1924void rtllib_rx_probe_rq(struct rtllib_device *ieee, struct sk_buff *skb)
1925{
1926 u8 dest[ETH_ALEN];
1927 ieee->softmac_stats.rx_probe_rq++;
1928 if (probe_rq_parse(ieee, skb, dest) > 0) {
1929 ieee->softmac_stats.tx_probe_rs++;
1930 rtllib_resp_to_probe(ieee, dest);
1931 }
1932}
1933
1934static inline void rtllib_rx_auth_rq(struct rtllib_device *ieee,
1935 struct sk_buff *skb)
1936{
1937 u8 dest[ETH_ALEN];
1938 int status;
1939 ieee->softmac_stats.rx_auth_rq++;
1940
1941 status = auth_rq_parse(skb, dest);
1942 if (status != -1)
1943 rtllib_resp_to_auth(ieee, status, dest);
1944}
1945
1946static inline void rtllib_rx_assoc_rq(struct rtllib_device *ieee,
1947 struct sk_buff *skb)
1948{
1949
1950 u8 dest[ETH_ALEN];
1951
1952 ieee->softmac_stats.rx_ass_rq++;
1953 if (assoc_rq_parse(skb, dest) != -1)
1954 rtllib_resp_to_assoc_rq(ieee, dest);
1955
1956 printk(KERN_INFO"New client associated: %pM\n", dest);
1957}
1958
1959void rtllib_sta_ps_send_null_frame(struct rtllib_device *ieee, short pwr)
1960{
1961
1962 struct sk_buff *buf = rtllib_null_func(ieee, pwr);
1963
1964 if (buf)
1965 softmac_ps_mgmt_xmit(buf, ieee);
1966}
1967EXPORT_SYMBOL(rtllib_sta_ps_send_null_frame);
1968
1969void rtllib_sta_ps_send_pspoll_frame(struct rtllib_device *ieee)
1970{
1971 struct sk_buff *buf = rtllib_pspoll_func(ieee);
1972
1973 if (buf)
1974 softmac_ps_mgmt_xmit(buf, ieee);
1975}
1976
1977static short rtllib_sta_ps_sleep(struct rtllib_device *ieee, u64 *time)
1978{
1979 int timeout = ieee->ps_timeout;
1980 u8 dtim;
1981 struct rt_pwr_save_ctrl *pPSC = (struct rt_pwr_save_ctrl *)
1982 (&(ieee->PowerSaveControl));
1983
1984 if (ieee->LPSDelayCnt) {
1985 ieee->LPSDelayCnt--;
1986 return 0;
1987 }
1988
1989 dtim = ieee->current_network.dtim_data;
1990 if (!(dtim & RTLLIB_DTIM_VALID))
1991 return 0;
1992 timeout = ieee->current_network.beacon_interval;
1993 ieee->current_network.dtim_data = RTLLIB_DTIM_INVALID;
1994
1995
1996 if (dtim & (RTLLIB_DTIM_UCAST & ieee->ps))
1997 return 2;
1998
1999 if (!time_after(jiffies, ieee->dev->trans_start + MSECS(timeout)))
2000 return 0;
2001 if (!time_after(jiffies, ieee->last_rx_ps_time + MSECS(timeout)))
2002 return 0;
2003 if ((ieee->softmac_features & IEEE_SOFTMAC_SINGLE_QUEUE) &&
2004 (ieee->mgmt_queue_tail != ieee->mgmt_queue_head))
2005 return 0;
2006
2007 if (time) {
2008 if (ieee->bAwakePktSent == true) {
2009 pPSC->LPSAwakeIntvl = 1;
2010 } else {
2011 u8 MaxPeriod = 1;
2012
2013 if (pPSC->LPSAwakeIntvl == 0)
2014 pPSC->LPSAwakeIntvl = 1;
2015 if (pPSC->RegMaxLPSAwakeIntvl == 0)
2016 MaxPeriod = 1;
2017 else if (pPSC->RegMaxLPSAwakeIntvl == 0xFF)
2018 MaxPeriod = ieee->current_network.dtim_period;
2019 else
2020 MaxPeriod = pPSC->RegMaxLPSAwakeIntvl;
2021 pPSC->LPSAwakeIntvl = (pPSC->LPSAwakeIntvl >=
2022 MaxPeriod) ? MaxPeriod :
2023 (pPSC->LPSAwakeIntvl + 1);
2024 }
2025 {
2026 u8 LPSAwakeIntvl_tmp = 0;
2027 u8 period = ieee->current_network.dtim_period;
2028 u8 count = ieee->current_network.tim.tim_count;
2029 if (count == 0) {
2030 if (pPSC->LPSAwakeIntvl > period)
2031 LPSAwakeIntvl_tmp = period +
2032 (pPSC->LPSAwakeIntvl -
2033 period) -
2034 ((pPSC->LPSAwakeIntvl-period) %
2035 period);
2036 else
2037 LPSAwakeIntvl_tmp = pPSC->LPSAwakeIntvl;
2038
2039 } else {
2040 if (pPSC->LPSAwakeIntvl >
2041 ieee->current_network.tim.tim_count)
2042 LPSAwakeIntvl_tmp = count +
2043 (pPSC->LPSAwakeIntvl - count) -
2044 ((pPSC->LPSAwakeIntvl-count)%period);
2045 else
2046 LPSAwakeIntvl_tmp = pPSC->LPSAwakeIntvl;
2047 }
2048
2049 *time = ieee->current_network.last_dtim_sta_time
2050 + MSECS(ieee->current_network.beacon_interval *
2051 LPSAwakeIntvl_tmp);
2052 }
2053 }
2054
2055 return 1;
2056
2057
2058}
2059
2060static inline void rtllib_sta_ps(struct rtllib_device *ieee)
2061{
2062 u64 time;
2063 short sleep;
2064 unsigned long flags, flags2;
2065
2066 spin_lock_irqsave(&ieee->lock, flags);
2067
2068 if ((ieee->ps == RTLLIB_PS_DISABLED ||
2069 ieee->iw_mode != IW_MODE_INFRA ||
2070 ieee->state != RTLLIB_LINKED)) {
2071 RT_TRACE(COMP_DBG, "=====>%s(): no need to ps,wake up!! "
2072 "ieee->ps is %d, ieee->iw_mode is %d, ieee->state"
2073 " is %d\n", __func__, ieee->ps, ieee->iw_mode,
2074 ieee->state);
2075 spin_lock_irqsave(&ieee->mgmt_tx_lock, flags2);
2076 rtllib_sta_wakeup(ieee, 1);
2077
2078 spin_unlock_irqrestore(&ieee->mgmt_tx_lock, flags2);
2079 }
2080 sleep = rtllib_sta_ps_sleep(ieee, &time);
2081
2082 if (sleep == 0)
2083 goto out;
2084 if (sleep == 1) {
2085 if (ieee->sta_sleep == LPS_IS_SLEEP) {
2086 ieee->enter_sleep_state(ieee->dev, time);
2087 } else if (ieee->sta_sleep == LPS_IS_WAKE) {
2088 spin_lock_irqsave(&ieee->mgmt_tx_lock, flags2);
2089
2090 if (ieee->ps_is_queue_empty(ieee->dev)) {
2091 ieee->sta_sleep = LPS_WAIT_NULL_DATA_SEND;
2092 ieee->ack_tx_to_ieee = 1;
2093 rtllib_sta_ps_send_null_frame(ieee, 1);
2094 ieee->ps_time = time;
2095 }
2096 spin_unlock_irqrestore(&ieee->mgmt_tx_lock, flags2);
2097
2098 }
2099
2100 ieee->bAwakePktSent = false;
2101
2102 } else if (sleep == 2) {
2103 spin_lock_irqsave(&ieee->mgmt_tx_lock, flags2);
2104
2105 rtllib_sta_wakeup(ieee, 1);
2106
2107 spin_unlock_irqrestore(&ieee->mgmt_tx_lock, flags2);
2108 }
2109
2110out:
2111 spin_unlock_irqrestore(&ieee->lock, flags);
2112
2113}
2114
2115void rtllib_sta_wakeup(struct rtllib_device *ieee, short nl)
2116{
2117 if (ieee->sta_sleep == LPS_IS_WAKE) {
2118 if (nl) {
2119 if (ieee->pHTInfo->IOTAction &
2120 HT_IOT_ACT_NULL_DATA_POWER_SAVING) {
2121 ieee->ack_tx_to_ieee = 1;
2122 rtllib_sta_ps_send_null_frame(ieee, 0);
2123 } else {
2124 ieee->ack_tx_to_ieee = 1;
2125 rtllib_sta_ps_send_pspoll_frame(ieee);
2126 }
2127 }
2128 return;
2129
2130 }
2131
2132 if (ieee->sta_sleep == LPS_IS_SLEEP)
2133 ieee->sta_wake_up(ieee->dev);
2134 if (nl) {
2135 if (ieee->pHTInfo->IOTAction &
2136 HT_IOT_ACT_NULL_DATA_POWER_SAVING) {
2137 ieee->ack_tx_to_ieee = 1;
2138 rtllib_sta_ps_send_null_frame(ieee, 0);
2139 } else {
2140 ieee->ack_tx_to_ieee = 1;
2141 ieee->polling = true;
2142 rtllib_sta_ps_send_pspoll_frame(ieee);
2143 }
2144
2145 } else {
2146 ieee->sta_sleep = LPS_IS_WAKE;
2147 ieee->polling = false;
2148 }
2149}
2150
2151void rtllib_ps_tx_ack(struct rtllib_device *ieee, short success)
2152{
2153 unsigned long flags, flags2;
2154
2155 spin_lock_irqsave(&ieee->lock, flags);
2156
2157 if (ieee->sta_sleep == LPS_WAIT_NULL_DATA_SEND) {
2158
2159 if (success) {
2160 ieee->sta_sleep = LPS_IS_SLEEP;
2161 ieee->enter_sleep_state(ieee->dev, ieee->ps_time);
2162 }
2163
2164
2165
2166 } else {
2167
2168 if ((ieee->sta_sleep == LPS_IS_WAKE) && !success) {
2169 spin_lock_irqsave(&ieee->mgmt_tx_lock, flags2);
2170 if (ieee->pHTInfo->IOTAction &
2171 HT_IOT_ACT_NULL_DATA_POWER_SAVING)
2172 rtllib_sta_ps_send_null_frame(ieee, 0);
2173 else
2174 rtllib_sta_ps_send_pspoll_frame(ieee);
2175 spin_unlock_irqrestore(&ieee->mgmt_tx_lock, flags2);
2176 }
2177 }
2178 spin_unlock_irqrestore(&ieee->lock, flags);
2179}
2180EXPORT_SYMBOL(rtllib_ps_tx_ack);
2181
2182static void rtllib_process_action(struct rtllib_device *ieee, struct sk_buff *skb)
2183{
2184 struct rtllib_hdr_3addr *header = (struct rtllib_hdr_3addr *) skb->data;
2185 u8 *act = rtllib_get_payload((struct rtllib_hdr *)header);
2186 u8 category = 0;
2187
2188 if (act == NULL) {
2189 RTLLIB_DEBUG(RTLLIB_DL_ERR, "error to get payload of "
2190 "action frame\n");
2191 return;
2192 }
2193
2194 category = *act;
2195 act++;
2196 switch (category) {
2197 case ACT_CAT_BA:
2198 switch (*act) {
2199 case ACT_ADDBAREQ:
2200 rtllib_rx_ADDBAReq(ieee, skb);
2201 break;
2202 case ACT_ADDBARSP:
2203 rtllib_rx_ADDBARsp(ieee, skb);
2204 break;
2205 case ACT_DELBA:
2206 rtllib_rx_DELBA(ieee, skb);
2207 break;
2208 }
2209 break;
2210 default:
2211 break;
2212 }
2213 return;
2214}
2215
2216inline int rtllib_rx_assoc_resp(struct rtllib_device *ieee, struct sk_buff *skb,
2217 struct rtllib_rx_stats *rx_stats)
2218{
2219 u16 errcode;
2220 int aid;
2221 u8 *ies;
2222 struct rtllib_assoc_response_frame *assoc_resp;
2223 struct rtllib_hdr_3addr *header = (struct rtllib_hdr_3addr *) skb->data;
2224
2225 RTLLIB_DEBUG_MGMT("received [RE]ASSOCIATION RESPONSE (%d)\n",
2226 WLAN_FC_GET_STYPE(header->frame_ctl));
2227
2228 if ((ieee->softmac_features & IEEE_SOFTMAC_ASSOCIATE) &&
2229 ieee->state == RTLLIB_ASSOCIATING_AUTHENTICATED &&
2230 (ieee->iw_mode == IW_MODE_INFRA)) {
2231 errcode = assoc_parse(ieee, skb, &aid);
2232 if (0 == errcode) {
2233 struct rtllib_network *network =
2234 kzalloc(sizeof(struct rtllib_network),
2235 GFP_ATOMIC);
2236
2237 if (!network)
2238 return 1;
2239 ieee->state = RTLLIB_LINKED;
2240 ieee->assoc_id = aid;
2241 ieee->softmac_stats.rx_ass_ok++;
2242
2243
2244 assoc_resp = (struct rtllib_assoc_response_frame *)skb->data;
2245 if (ieee->current_network.qos_data.supported == 1) {
2246 if (rtllib_parse_info_param(ieee, assoc_resp->info_element,
2247 rx_stats->len - sizeof(*assoc_resp),
2248 network, rx_stats)) {
2249 kfree(network);
2250 return 1;
2251 } else {
2252 memcpy(ieee->pHTInfo->PeerHTCapBuf,
2253 network->bssht.bdHTCapBuf,
2254 network->bssht.bdHTCapLen);
2255 memcpy(ieee->pHTInfo->PeerHTInfoBuf,
2256 network->bssht.bdHTInfoBuf,
2257 network->bssht.bdHTInfoLen);
2258 }
2259 if (ieee->handle_assoc_response != NULL)
2260 ieee->handle_assoc_response(ieee->dev,
2261 (struct rtllib_assoc_response_frame *)header,
2262 network);
2263 }
2264 kfree(network);
2265
2266 kfree(ieee->assocresp_ies);
2267 ieee->assocresp_ies = NULL;
2268 ies = &(assoc_resp->info_element[0].id);
2269 ieee->assocresp_ies_len = (skb->data + skb->len) - ies;
2270 ieee->assocresp_ies = kmalloc(ieee->assocresp_ies_len,
2271 GFP_ATOMIC);
2272 if (ieee->assocresp_ies)
2273 memcpy(ieee->assocresp_ies, ies,
2274 ieee->assocresp_ies_len);
2275 else {
2276 printk(KERN_INFO "%s()Warning: can't alloc "
2277 "memory for assocresp_ies\n", __func__);
2278 ieee->assocresp_ies_len = 0;
2279 }
2280 rtllib_associate_complete(ieee);
2281 } else {
2282
2283 ieee->softmac_stats.rx_ass_err++;
2284 printk(KERN_INFO "Association response status code 0x%x\n",
2285 errcode);
2286 RTLLIB_DEBUG_MGMT(
2287 "Association response status code 0x%x\n",
2288 errcode);
2289 if (ieee->AsocRetryCount < RT_ASOC_RETRY_LIMIT)
2290 queue_delayed_work_rsl(ieee->wq,
2291 &ieee->associate_procedure_wq, 0);
2292 else
2293 rtllib_associate_abort(ieee);
2294 }
2295 }
2296 return 0;
2297}
2298
2299inline int rtllib_rx_auth(struct rtllib_device *ieee, struct sk_buff *skb,
2300 struct rtllib_rx_stats *rx_stats)
2301{
2302 u16 errcode;
2303 u8 *challenge;
2304 int chlen = 0;
2305 bool bSupportNmode = true, bHalfSupportNmode = false;
2306
2307 if (ieee->softmac_features & IEEE_SOFTMAC_ASSOCIATE) {
2308 if (ieee->state == RTLLIB_ASSOCIATING_AUTHENTICATING &&
2309 (ieee->iw_mode == IW_MODE_INFRA)) {
2310 RTLLIB_DEBUG_MGMT("Received authentication response");
2311
2312 errcode = auth_parse(skb, &challenge, &chlen);
2313 if (0 == errcode) {
2314 if (ieee->open_wep || !challenge) {
2315 ieee->state = RTLLIB_ASSOCIATING_AUTHENTICATED;
2316 ieee->softmac_stats.rx_auth_rs_ok++;
2317 if (!(ieee->pHTInfo->IOTAction &
2318 HT_IOT_ACT_PURE_N_MODE)) {
2319 if (!ieee->GetNmodeSupportBySecCfg(ieee->dev)) {
2320 if (IsHTHalfNmodeAPs(ieee)) {
2321 bSupportNmode = true;
2322 bHalfSupportNmode = true;
2323 } else {
2324 bSupportNmode = false;
2325 bHalfSupportNmode = false;
2326 }
2327 }
2328 }
2329
2330
2331 if (bSupportNmode) {
2332 ieee->SetWirelessMode(ieee->dev,
2333 ieee->current_network.mode);
2334 } else {
2335
2336 ieee->SetWirelessMode(ieee->dev,
2337 IEEE_G);
2338 }
2339
2340 if (ieee->current_network.mode ==
2341 IEEE_N_24G &&
2342 bHalfSupportNmode == true) {
2343 printk(KERN_INFO "======>enter "
2344 "half N mode\n");
2345 ieee->bHalfWirelessN24GMode =
2346 true;
2347 } else
2348 ieee->bHalfWirelessN24GMode =
2349 false;
2350
2351 rtllib_associate_step2(ieee);
2352 } else {
2353 rtllib_auth_challenge(ieee, challenge,
2354 chlen);
2355 }
2356 } else {
2357 ieee->softmac_stats.rx_auth_rs_err++;
2358 RTLLIB_DEBUG_MGMT("Authentication respose"
2359 " status code 0x%x", errcode);
2360
2361 printk(KERN_INFO "Authentication respose "
2362 "status code 0x%x", errcode);
2363 rtllib_associate_abort(ieee);
2364 }
2365
2366 } else if (ieee->iw_mode == IW_MODE_MASTER) {
2367 rtllib_rx_auth_rq(ieee, skb);
2368 }
2369 }
2370 return 0;
2371}
2372
2373inline int rtllib_rx_deauth(struct rtllib_device *ieee, struct sk_buff *skb)
2374{
2375 struct rtllib_hdr_3addr *header = (struct rtllib_hdr_3addr *) skb->data;
2376
2377 if (memcmp(header->addr3, ieee->current_network.bssid, ETH_ALEN) != 0)
2378 return 0;
2379
2380
2381
2382
2383 if ((ieee->softmac_features & IEEE_SOFTMAC_ASSOCIATE) &&
2384 ieee->state == RTLLIB_LINKED &&
2385 (ieee->iw_mode == IW_MODE_INFRA)) {
2386 printk(KERN_INFO "==========>received disassoc/deauth(%x) "
2387 "frame, reason code:%x\n",
2388 WLAN_FC_GET_STYPE(header->frame_ctl),
2389 ((struct rtllib_disassoc *)skb->data)->reason);
2390 ieee->state = RTLLIB_ASSOCIATING;
2391 ieee->softmac_stats.reassoc++;
2392 ieee->is_roaming = true;
2393 ieee->LinkDetectInfo.bBusyTraffic = false;
2394 rtllib_disassociate(ieee);
2395 RemovePeerTS(ieee, header->addr2);
2396 if (ieee->LedControlHandler != NULL)
2397 ieee->LedControlHandler(ieee->dev,
2398 LED_CTL_START_TO_LINK);
2399
2400 if (!(ieee->rtllib_ap_sec_type(ieee) &
2401 (SEC_ALG_CCMP|SEC_ALG_TKIP)))
2402 queue_delayed_work_rsl(ieee->wq,
2403 &ieee->associate_procedure_wq, 5);
2404 }
2405 return 0;
2406}
2407
2408inline int rtllib_rx_frame_softmac(struct rtllib_device *ieee,
2409 struct sk_buff *skb,
2410 struct rtllib_rx_stats *rx_stats, u16 type,
2411 u16 stype)
2412{
2413 struct rtllib_hdr_3addr *header = (struct rtllib_hdr_3addr *) skb->data;
2414
2415 if (!ieee->proto_started)
2416 return 0;
2417
2418 switch (WLAN_FC_GET_STYPE(header->frame_ctl)) {
2419 case RTLLIB_STYPE_ASSOC_RESP:
2420 case RTLLIB_STYPE_REASSOC_RESP:
2421 if (rtllib_rx_assoc_resp(ieee, skb, rx_stats) == 1)
2422 return 1;
2423 break;
2424 case RTLLIB_STYPE_ASSOC_REQ:
2425 case RTLLIB_STYPE_REASSOC_REQ:
2426 if ((ieee->softmac_features & IEEE_SOFTMAC_ASSOCIATE) &&
2427 ieee->iw_mode == IW_MODE_MASTER)
2428 rtllib_rx_assoc_rq(ieee, skb);
2429 break;
2430 case RTLLIB_STYPE_AUTH:
2431 rtllib_rx_auth(ieee, skb, rx_stats);
2432 break;
2433 case RTLLIB_STYPE_DISASSOC:
2434 case RTLLIB_STYPE_DEAUTH:
2435 rtllib_rx_deauth(ieee, skb);
2436 break;
2437 case RTLLIB_STYPE_MANAGE_ACT:
2438 rtllib_process_action(ieee, skb);
2439 break;
2440 default:
2441 return -1;
2442 break;
2443 }
2444 return 0;
2445}
2446
2447
2448
2449
2450
2451
2452
2453
2454
2455
2456
2457
2458
2459
2460
2461
2462
2463
2464
2465void rtllib_softmac_xmit(struct rtllib_txb *txb, struct rtllib_device *ieee)
2466{
2467
2468 unsigned int queue_index = txb->queue_index;
2469 unsigned long flags;
2470 int i;
2471 struct cb_desc *tcb_desc = NULL;
2472 unsigned long queue_len = 0;
2473
2474 spin_lock_irqsave(&ieee->lock, flags);
2475
2476
2477 rtllib_sta_wakeup(ieee, 0);
2478
2479
2480 tcb_desc = (struct cb_desc *)(txb->fragments[0]->cb +
2481 MAX_DEV_ADDR_SIZE);
2482 if (tcb_desc->bMulticast)
2483 ieee->stats.multicast++;
2484
2485
2486
2487 for (i = 0; i < txb->nr_frags; i++) {
2488 queue_len = skb_queue_len(&ieee->skb_waitQ[queue_index]);
2489 if ((queue_len != 0) ||\
2490 (!ieee->check_nic_enough_desc(ieee->dev, queue_index)) ||
2491 (ieee->queue_stop)) {
2492
2493
2494
2495
2496 if (queue_len < 200)
2497 skb_queue_tail(&ieee->skb_waitQ[queue_index],
2498 txb->fragments[i]);
2499 else
2500 kfree_skb(txb->fragments[i]);
2501 } else {
2502 ieee->softmac_data_hard_start_xmit(
2503 txb->fragments[i],
2504 ieee->dev, ieee->rate);
2505 }
2506 }
2507
2508 rtllib_txb_free(txb);
2509
2510 spin_unlock_irqrestore(&ieee->lock, flags);
2511
2512}
2513
2514
2515static void rtllib_resume_tx(struct rtllib_device *ieee)
2516{
2517 int i;
2518 for (i = ieee->tx_pending.frag; i < ieee->tx_pending.txb->nr_frags;
2519 i++) {
2520
2521 if (ieee->queue_stop) {
2522 ieee->tx_pending.frag = i;
2523 return;
2524 } else {
2525
2526 ieee->softmac_data_hard_start_xmit(
2527 ieee->tx_pending.txb->fragments[i],
2528 ieee->dev, ieee->rate);
2529 ieee->stats.tx_packets++;
2530 }
2531 }
2532
2533 rtllib_txb_free(ieee->tx_pending.txb);
2534 ieee->tx_pending.txb = NULL;
2535}
2536
2537
2538void rtllib_reset_queue(struct rtllib_device *ieee)
2539{
2540 unsigned long flags;
2541
2542 spin_lock_irqsave(&ieee->lock, flags);
2543 init_mgmt_queue(ieee);
2544 if (ieee->tx_pending.txb) {
2545 rtllib_txb_free(ieee->tx_pending.txb);
2546 ieee->tx_pending.txb = NULL;
2547 }
2548 ieee->queue_stop = 0;
2549 spin_unlock_irqrestore(&ieee->lock, flags);
2550
2551}
2552EXPORT_SYMBOL(rtllib_reset_queue);
2553
2554void rtllib_wake_queue(struct rtllib_device *ieee)
2555{
2556
2557 unsigned long flags;
2558 struct sk_buff *skb;
2559 struct rtllib_hdr_3addr *header;
2560
2561 spin_lock_irqsave(&ieee->lock, flags);
2562 if (!ieee->queue_stop)
2563 goto exit;
2564
2565 ieee->queue_stop = 0;
2566
2567 if (ieee->softmac_features & IEEE_SOFTMAC_SINGLE_QUEUE) {
2568 while (!ieee->queue_stop && (skb = dequeue_mgmt(ieee))) {
2569
2570 header = (struct rtllib_hdr_3addr *) skb->data;
2571
2572 header->seq_ctl = cpu_to_le16(ieee->seq_ctrl[0] << 4);
2573
2574 if (ieee->seq_ctrl[0] == 0xFFF)
2575 ieee->seq_ctrl[0] = 0;
2576 else
2577 ieee->seq_ctrl[0]++;
2578
2579 ieee->softmac_data_hard_start_xmit(skb, ieee->dev,
2580 ieee->basic_rate);
2581 }
2582 }
2583 if (!ieee->queue_stop && ieee->tx_pending.txb)
2584 rtllib_resume_tx(ieee);
2585
2586 if (!ieee->queue_stop && netif_queue_stopped(ieee->dev)) {
2587 ieee->softmac_stats.swtxawake++;
2588 netif_wake_queue(ieee->dev);
2589 }
2590
2591exit:
2592 spin_unlock_irqrestore(&ieee->lock, flags);
2593}
2594
2595
2596void rtllib_stop_queue(struct rtllib_device *ieee)
2597{
2598
2599 if (!netif_queue_stopped(ieee->dev)) {
2600 netif_stop_queue(ieee->dev);
2601 ieee->softmac_stats.swtxstop++;
2602 }
2603 ieee->queue_stop = 1;
2604
2605}
2606
2607void rtllib_stop_all_queues(struct rtllib_device *ieee)
2608{
2609 unsigned int i;
2610 for (i = 0; i < ieee->dev->num_tx_queues; i++)
2611 netdev_get_tx_queue(ieee->dev, i)->trans_start = jiffies;
2612
2613 netif_tx_stop_all_queues(ieee->dev);
2614}
2615
2616void rtllib_wake_all_queues(struct rtllib_device *ieee)
2617{
2618 netif_tx_wake_all_queues(ieee->dev);
2619}
2620
2621inline void rtllib_randomize_cell(struct rtllib_device *ieee)
2622{
2623
2624 random_ether_addr(ieee->current_network.bssid);
2625}
2626
2627
2628void rtllib_start_master_bss(struct rtllib_device *ieee)
2629{
2630 ieee->assoc_id = 1;
2631
2632 if (ieee->current_network.ssid_len == 0) {
2633 strncpy(ieee->current_network.ssid,
2634 RTLLIB_DEFAULT_TX_ESSID,
2635 IW_ESSID_MAX_SIZE);
2636
2637 ieee->current_network.ssid_len =
2638 strlen(RTLLIB_DEFAULT_TX_ESSID);
2639 ieee->ssid_set = 1;
2640 }
2641
2642 memcpy(ieee->current_network.bssid, ieee->dev->dev_addr, ETH_ALEN);
2643
2644 ieee->set_chan(ieee->dev, ieee->current_network.channel);
2645 ieee->state = RTLLIB_LINKED;
2646 ieee->link_change(ieee->dev);
2647 notify_wx_assoc_event(ieee);
2648
2649 if (ieee->data_hard_resume)
2650 ieee->data_hard_resume(ieee->dev);
2651
2652 netif_carrier_on(ieee->dev);
2653}
2654
2655static void rtllib_start_monitor_mode(struct rtllib_device *ieee)
2656{
2657
2658 if (ieee->raw_tx) {
2659 if (ieee->data_hard_resume)
2660 ieee->data_hard_resume(ieee->dev);
2661
2662 netif_carrier_on(ieee->dev);
2663 }
2664}
2665
2666static void rtllib_start_ibss_wq(void *data)
2667{
2668 struct rtllib_device *ieee = container_of_dwork_rsl(data,
2669 struct rtllib_device, start_ibss_wq);
2670
2671
2672
2673
2674
2675
2676
2677 if (!ieee->proto_started) {
2678 printk(KERN_INFO "==========oh driver down return\n");
2679 return;
2680 }
2681 down(&ieee->wx_sem);
2682
2683 if (ieee->current_network.ssid_len == 0) {
2684 strcpy(ieee->current_network.ssid, RTLLIB_DEFAULT_TX_ESSID);
2685 ieee->current_network.ssid_len = strlen(RTLLIB_DEFAULT_TX_ESSID);
2686 ieee->ssid_set = 1;
2687 }
2688
2689 ieee->state = RTLLIB_NOLINK;
2690 ieee->mode = IEEE_G;
2691
2692 rtllib_softmac_check_all_nets(ieee);
2693
2694
2695
2696
2697
2698
2699
2700
2701
2702
2703
2704
2705
2706
2707
2708
2709 if (ieee->state == RTLLIB_NOLINK)
2710 rtllib_start_scan_syncro(ieee, 0);
2711
2712
2713 if (ieee->state == RTLLIB_NOLINK) {
2714 printk(KERN_INFO "creating new IBSS cell\n");
2715 ieee->current_network.channel = ieee->IbssStartChnl;
2716 if (!ieee->wap_set)
2717 rtllib_randomize_cell(ieee);
2718
2719 if (ieee->modulation & RTLLIB_CCK_MODULATION) {
2720
2721 ieee->current_network.rates_len = 4;
2722
2723 ieee->current_network.rates[0] =
2724 RTLLIB_BASIC_RATE_MASK | RTLLIB_CCK_RATE_1MB;
2725 ieee->current_network.rates[1] =
2726 RTLLIB_BASIC_RATE_MASK | RTLLIB_CCK_RATE_2MB;
2727 ieee->current_network.rates[2] =
2728 RTLLIB_BASIC_RATE_MASK | RTLLIB_CCK_RATE_5MB;
2729 ieee->current_network.rates[3] =
2730 RTLLIB_BASIC_RATE_MASK | RTLLIB_CCK_RATE_11MB;
2731
2732 } else
2733 ieee->current_network.rates_len = 0;
2734
2735 if (ieee->modulation & RTLLIB_OFDM_MODULATION) {
2736 ieee->current_network.rates_ex_len = 8;
2737
2738 ieee->current_network.rates_ex[0] =
2739 RTLLIB_OFDM_RATE_6MB;
2740 ieee->current_network.rates_ex[1] =
2741 RTLLIB_OFDM_RATE_9MB;
2742 ieee->current_network.rates_ex[2] =
2743 RTLLIB_OFDM_RATE_12MB;
2744 ieee->current_network.rates_ex[3] =
2745 RTLLIB_OFDM_RATE_18MB;
2746 ieee->current_network.rates_ex[4] =
2747 RTLLIB_OFDM_RATE_24MB;
2748 ieee->current_network.rates_ex[5] =
2749 RTLLIB_OFDM_RATE_36MB;
2750 ieee->current_network.rates_ex[6] =
2751 RTLLIB_OFDM_RATE_48MB;
2752 ieee->current_network.rates_ex[7] =
2753 RTLLIB_OFDM_RATE_54MB;
2754
2755 ieee->rate = 108;
2756 } else {
2757 ieee->current_network.rates_ex_len = 0;
2758 ieee->rate = 22;
2759 }
2760
2761 ieee->current_network.qos_data.supported = 0;
2762 ieee->SetWirelessMode(ieee->dev, IEEE_G);
2763 ieee->current_network.mode = ieee->mode;
2764 ieee->current_network.atim_window = 0;
2765 ieee->current_network.capability = WLAN_CAPABILITY_IBSS;
2766 }
2767
2768 printk(KERN_INFO "%s(): ieee->mode = %d\n", __func__, ieee->mode);
2769 if ((ieee->mode == IEEE_N_24G) || (ieee->mode == IEEE_N_5G))
2770 HTUseDefaultSetting(ieee);
2771 else
2772 ieee->pHTInfo->bCurrentHTSupport = false;
2773
2774 ieee->SetHwRegHandler(ieee->dev, HW_VAR_MEDIA_STATUS,
2775 (u8 *)(&ieee->state));
2776
2777 ieee->state = RTLLIB_LINKED;
2778 ieee->link_change(ieee->dev);
2779
2780 HTSetConnectBwMode(ieee, HT_CHANNEL_WIDTH_20, HT_EXTCHNL_OFFSET_NO_EXT);
2781 if (ieee->LedControlHandler != NULL)
2782 ieee->LedControlHandler(ieee->dev, LED_CTL_LINK);
2783
2784 rtllib_start_send_beacons(ieee);
2785
2786 notify_wx_assoc_event(ieee);
2787
2788 if (ieee->data_hard_resume)
2789 ieee->data_hard_resume(ieee->dev);
2790
2791 netif_carrier_on(ieee->dev);
2792
2793 up(&ieee->wx_sem);
2794}
2795
2796inline void rtllib_start_ibss(struct rtllib_device *ieee)
2797{
2798 queue_delayed_work_rsl(ieee->wq, &ieee->start_ibss_wq, MSECS(150));
2799}
2800
2801
2802void rtllib_start_bss(struct rtllib_device *ieee)
2803{
2804 unsigned long flags;
2805 if (IS_DOT11D_ENABLE(ieee) && !IS_COUNTRY_IE_VALID(ieee)) {
2806 if (!ieee->bGlobalDomain)
2807 return;
2808 }
2809
2810
2811
2812
2813
2814 rtllib_softmac_check_all_nets(ieee);
2815
2816
2817
2818
2819
2820
2821
2822
2823 spin_lock_irqsave(&ieee->lock, flags);
2824
2825 if (ieee->state == RTLLIB_NOLINK)
2826 rtllib_start_scan(ieee);
2827 spin_unlock_irqrestore(&ieee->lock, flags);
2828}
2829
2830static void rtllib_link_change_wq(void *data)
2831{
2832 struct rtllib_device *ieee = container_of_dwork_rsl(data,
2833 struct rtllib_device, link_change_wq);
2834 ieee->link_change(ieee->dev);
2835}
2836
2837void rtllib_disassociate(struct rtllib_device *ieee)
2838{
2839 netif_carrier_off(ieee->dev);
2840 if (ieee->softmac_features & IEEE_SOFTMAC_TX_QUEUE)
2841 rtllib_reset_queue(ieee);
2842
2843 if (ieee->data_hard_stop)
2844 ieee->data_hard_stop(ieee->dev);
2845 if (IS_DOT11D_ENABLE(ieee))
2846 Dot11d_Reset(ieee);
2847 ieee->state = RTLLIB_NOLINK;
2848 ieee->is_set_key = false;
2849 ieee->wap_set = 0;
2850
2851 queue_delayed_work_rsl(ieee->wq, &ieee->link_change_wq, 0);
2852
2853 notify_wx_assoc_event(ieee);
2854}
2855
2856static void rtllib_associate_retry_wq(void *data)
2857{
2858 struct rtllib_device *ieee = container_of_dwork_rsl(data,
2859 struct rtllib_device, associate_retry_wq);
2860 unsigned long flags;
2861
2862 down(&ieee->wx_sem);
2863 if (!ieee->proto_started)
2864 goto exit;
2865
2866 if (ieee->state != RTLLIB_ASSOCIATING_RETRY)
2867 goto exit;
2868
2869
2870
2871
2872
2873
2874
2875
2876
2877
2878
2879
2880
2881
2882 ieee->beinretry = true;
2883 ieee->state = RTLLIB_NOLINK;
2884
2885 rtllib_softmac_check_all_nets(ieee);
2886
2887 spin_lock_irqsave(&ieee->lock, flags);
2888
2889 if (ieee->state == RTLLIB_NOLINK)
2890 rtllib_start_scan(ieee);
2891 spin_unlock_irqrestore(&ieee->lock, flags);
2892
2893 ieee->beinretry = false;
2894exit:
2895 up(&ieee->wx_sem);
2896}
2897
2898struct sk_buff *rtllib_get_beacon_(struct rtllib_device *ieee)
2899{
2900 u8 broadcast_addr[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
2901
2902 struct sk_buff *skb;
2903 struct rtllib_probe_response *b;
2904 skb = rtllib_probe_resp(ieee, broadcast_addr);
2905
2906 if (!skb)
2907 return NULL;
2908
2909 b = (struct rtllib_probe_response *) skb->data;
2910 b->header.frame_ctl = cpu_to_le16(RTLLIB_STYPE_BEACON);
2911
2912 return skb;
2913
2914}
2915
2916struct sk_buff *rtllib_get_beacon(struct rtllib_device *ieee)
2917{
2918 struct sk_buff *skb;
2919 struct rtllib_probe_response *b;
2920
2921 skb = rtllib_get_beacon_(ieee);
2922 if (!skb)
2923 return NULL;
2924
2925 b = (struct rtllib_probe_response *) skb->data;
2926 b->header.seq_ctl = cpu_to_le16(ieee->seq_ctrl[0] << 4);
2927
2928 if (ieee->seq_ctrl[0] == 0xFFF)
2929 ieee->seq_ctrl[0] = 0;
2930 else
2931 ieee->seq_ctrl[0]++;
2932
2933 return skb;
2934}
2935EXPORT_SYMBOL(rtllib_get_beacon);
2936
2937void rtllib_softmac_stop_protocol(struct rtllib_device *ieee, u8 mesh_flag,
2938 u8 shutdown)
2939{
2940 rtllib_stop_scan_syncro(ieee);
2941 down(&ieee->wx_sem);
2942 rtllib_stop_protocol(ieee, shutdown);
2943 up(&ieee->wx_sem);
2944}
2945EXPORT_SYMBOL(rtllib_softmac_stop_protocol);
2946
2947
2948void rtllib_stop_protocol(struct rtllib_device *ieee, u8 shutdown)
2949{
2950 if (!ieee->proto_started)
2951 return;
2952
2953 if (shutdown) {
2954 ieee->proto_started = 0;
2955 ieee->proto_stoppping = 1;
2956 if (ieee->rtllib_ips_leave != NULL)
2957 ieee->rtllib_ips_leave(ieee->dev);
2958 }
2959
2960 rtllib_stop_send_beacons(ieee);
2961 del_timer_sync(&ieee->associate_timer);
2962 cancel_delayed_work(&ieee->associate_retry_wq);
2963 cancel_delayed_work(&ieee->start_ibss_wq);
2964 cancel_delayed_work(&ieee->link_change_wq);
2965 rtllib_stop_scan(ieee);
2966
2967 if (ieee->state <= RTLLIB_ASSOCIATING_AUTHENTICATED)
2968 ieee->state = RTLLIB_NOLINK;
2969
2970 if (ieee->state == RTLLIB_LINKED) {
2971 if (ieee->iw_mode == IW_MODE_INFRA)
2972 SendDisassociation(ieee, 1, deauth_lv_ss);
2973 rtllib_disassociate(ieee);
2974 }
2975
2976 if (shutdown) {
2977 RemoveAllTS(ieee);
2978 ieee->proto_stoppping = 0;
2979 }
2980 kfree(ieee->assocreq_ies);
2981 ieee->assocreq_ies = NULL;
2982 ieee->assocreq_ies_len = 0;
2983 kfree(ieee->assocresp_ies);
2984 ieee->assocresp_ies = NULL;
2985 ieee->assocresp_ies_len = 0;
2986}
2987
2988void rtllib_softmac_start_protocol(struct rtllib_device *ieee, u8 mesh_flag)
2989{
2990 down(&ieee->wx_sem);
2991 rtllib_start_protocol(ieee);
2992 up(&ieee->wx_sem);
2993}
2994EXPORT_SYMBOL(rtllib_softmac_start_protocol);
2995
2996void rtllib_start_protocol(struct rtllib_device *ieee)
2997{
2998 short ch = 0;
2999 int i = 0;
3000
3001 rtllib_update_active_chan_map(ieee);
3002
3003 if (ieee->proto_started)
3004 return;
3005
3006 ieee->proto_started = 1;
3007
3008 if (ieee->current_network.channel == 0) {
3009 do {
3010 ch++;
3011 if (ch > MAX_CHANNEL_NUMBER)
3012 return;
3013 } while (!ieee->active_channel_map[ch]);
3014 ieee->current_network.channel = ch;
3015 }
3016
3017 if (ieee->current_network.beacon_interval == 0)
3018 ieee->current_network.beacon_interval = 100;
3019
3020 for (i = 0; i < 17; i++) {
3021 ieee->last_rxseq_num[i] = -1;
3022 ieee->last_rxfrag_num[i] = -1;
3023 ieee->last_packet_time[i] = 0;
3024 }
3025
3026 if (ieee->UpdateBeaconInterruptHandler)
3027 ieee->UpdateBeaconInterruptHandler(ieee->dev, false);
3028
3029 ieee->wmm_acm = 0;
3030
3031
3032
3033
3034
3035 if (ieee->iw_mode == IW_MODE_INFRA) {
3036 rtllib_start_bss(ieee);
3037 } else if (ieee->iw_mode == IW_MODE_ADHOC) {
3038 if (ieee->UpdateBeaconInterruptHandler)
3039 ieee->UpdateBeaconInterruptHandler(ieee->dev, true);
3040
3041 rtllib_start_ibss(ieee);
3042
3043 } else if (ieee->iw_mode == IW_MODE_MASTER) {
3044 rtllib_start_master_bss(ieee);
3045 } else if (ieee->iw_mode == IW_MODE_MONITOR) {
3046 rtllib_start_monitor_mode(ieee);
3047 }
3048}
3049
3050void rtllib_softmac_init(struct rtllib_device *ieee)
3051{
3052 int i;
3053 memset(&ieee->current_network, 0, sizeof(struct rtllib_network));
3054
3055 ieee->state = RTLLIB_NOLINK;
3056 for (i = 0; i < 5; i++)
3057 ieee->seq_ctrl[i] = 0;
3058 ieee->pDot11dInfo = kzalloc(sizeof(struct rt_dot11d_info), GFP_ATOMIC);
3059 if (!ieee->pDot11dInfo)
3060 RTLLIB_DEBUG(RTLLIB_DL_ERR, "can't alloc memory for DOT11D\n");
3061 ieee->LinkDetectInfo.SlotIndex = 0;
3062 ieee->LinkDetectInfo.SlotNum = 2;
3063 ieee->LinkDetectInfo.NumRecvBcnInPeriod = 0;
3064 ieee->LinkDetectInfo.NumRecvDataInPeriod = 0;
3065 ieee->LinkDetectInfo.NumTxOkInPeriod = 0;
3066 ieee->LinkDetectInfo.NumRxOkInPeriod = 0;
3067 ieee->LinkDetectInfo.NumRxUnicastOkInPeriod = 0;
3068 ieee->bIsAggregateFrame = false;
3069 ieee->assoc_id = 0;
3070 ieee->queue_stop = 0;
3071 ieee->scanning_continue = 0;
3072 ieee->softmac_features = 0;
3073 ieee->wap_set = 0;
3074 ieee->ssid_set = 0;
3075 ieee->proto_started = 0;
3076 ieee->proto_stoppping = 0;
3077 ieee->basic_rate = RTLLIB_DEFAULT_BASIC_RATE;
3078 ieee->rate = 22;
3079 ieee->ps = RTLLIB_PS_DISABLED;
3080 ieee->sta_sleep = LPS_IS_WAKE;
3081
3082 ieee->Regdot11HTOperationalRateSet[0] = 0xff;
3083 ieee->Regdot11HTOperationalRateSet[1] = 0xff;
3084 ieee->Regdot11HTOperationalRateSet[4] = 0x01;
3085
3086 ieee->Regdot11TxHTOperationalRateSet[0] = 0xff;
3087 ieee->Regdot11TxHTOperationalRateSet[1] = 0xff;
3088 ieee->Regdot11TxHTOperationalRateSet[4] = 0x01;
3089
3090 ieee->FirstIe_InScan = false;
3091 ieee->actscanning = false;
3092 ieee->beinretry = false;
3093 ieee->is_set_key = false;
3094 init_mgmt_queue(ieee);
3095
3096 ieee->sta_edca_param[0] = 0x0000A403;
3097 ieee->sta_edca_param[1] = 0x0000A427;
3098 ieee->sta_edca_param[2] = 0x005E4342;
3099 ieee->sta_edca_param[3] = 0x002F3262;
3100 ieee->aggregation = true;
3101 ieee->enable_rx_imm_BA = 1;
3102 ieee->tx_pending.txb = NULL;
3103
3104 _setup_timer(&ieee->associate_timer,
3105 rtllib_associate_abort_cb,
3106 (unsigned long) ieee);
3107
3108 _setup_timer(&ieee->beacon_timer,
3109 rtllib_send_beacon_cb,
3110 (unsigned long) ieee);
3111
3112
3113 ieee->wq = create_workqueue(DRV_NAME);
3114
3115 INIT_DELAYED_WORK_RSL(&ieee->link_change_wq,
3116 (void *)rtllib_link_change_wq, ieee);
3117 INIT_DELAYED_WORK_RSL(&ieee->start_ibss_wq,
3118 (void *)rtllib_start_ibss_wq, ieee);
3119 INIT_WORK_RSL(&ieee->associate_complete_wq,
3120 (void *)rtllib_associate_complete_wq, ieee);
3121 INIT_DELAYED_WORK_RSL(&ieee->associate_procedure_wq,
3122 (void *)rtllib_associate_procedure_wq, ieee);
3123 INIT_DELAYED_WORK_RSL(&ieee->softmac_scan_wq,
3124 (void *)rtllib_softmac_scan_wq, ieee);
3125 INIT_DELAYED_WORK_RSL(&ieee->softmac_hint11d_wq,
3126 (void *)rtllib_softmac_hint11d_wq, ieee);
3127 INIT_DELAYED_WORK_RSL(&ieee->associate_retry_wq,
3128 (void *)rtllib_associate_retry_wq, ieee);
3129 INIT_WORK_RSL(&ieee->wx_sync_scan_wq, (void *)rtllib_wx_sync_scan_wq,
3130 ieee);
3131
3132 sema_init(&ieee->wx_sem, 1);
3133 sema_init(&ieee->scan_sem, 1);
3134 sema_init(&ieee->ips_sem, 1);
3135
3136 spin_lock_init(&ieee->mgmt_tx_lock);
3137 spin_lock_init(&ieee->beacon_lock);
3138
3139 tasklet_init(&ieee->ps_task,
3140 (void(*)(unsigned long)) rtllib_sta_ps,
3141 (unsigned long)ieee);
3142
3143}
3144
3145void rtllib_softmac_free(struct rtllib_device *ieee)
3146{
3147 down(&ieee->wx_sem);
3148 kfree(ieee->pDot11dInfo);
3149 ieee->pDot11dInfo = NULL;
3150 del_timer_sync(&ieee->associate_timer);
3151
3152 cancel_delayed_work(&ieee->associate_retry_wq);
3153 destroy_workqueue(ieee->wq);
3154 up(&ieee->wx_sem);
3155}
3156
3157
3158
3159
3160
3161
3162
3163static int rtllib_wpa_enable(struct rtllib_device *ieee, int value)
3164{
3165
3166
3167 printk(KERN_INFO "%s WPA\n", value ? "enabling" : "disabling");
3168 ieee->wpa_enabled = value;
3169 memset(ieee->ap_mac_addr, 0, 6);
3170 return 0;
3171}
3172
3173
3174static void rtllib_wpa_assoc_frame(struct rtllib_device *ieee, char *wpa_ie,
3175 int wpa_ie_len)
3176{
3177
3178 rtllib_wpa_enable(ieee, 1);
3179
3180 rtllib_disassociate(ieee);
3181}
3182
3183
3184static int rtllib_wpa_mlme(struct rtllib_device *ieee, int command, int reason)
3185{
3186
3187 int ret = 0;
3188
3189 switch (command) {
3190 case IEEE_MLME_STA_DEAUTH:
3191 break;
3192
3193 case IEEE_MLME_STA_DISASSOC:
3194 rtllib_disassociate(ieee);
3195 break;
3196
3197 default:
3198 printk(KERN_INFO "Unknown MLME request: %d\n", command);
3199 ret = -EOPNOTSUPP;
3200 }
3201
3202 return ret;
3203}
3204
3205
3206static int rtllib_wpa_set_wpa_ie(struct rtllib_device *ieee,
3207 struct ieee_param *param, int plen)
3208{
3209 u8 *buf;
3210
3211 if (param->u.wpa_ie.len > MAX_WPA_IE_LEN ||
3212 (param->u.wpa_ie.len && param->u.wpa_ie.data == NULL))
3213 return -EINVAL;
3214
3215 if (param->u.wpa_ie.len) {
3216 buf = kmemdup(param->u.wpa_ie.data, param->u.wpa_ie.len,
3217 GFP_KERNEL);
3218 if (buf == NULL)
3219 return -ENOMEM;
3220
3221 kfree(ieee->wpa_ie);
3222 ieee->wpa_ie = buf;
3223 ieee->wpa_ie_len = param->u.wpa_ie.len;
3224 } else {
3225 kfree(ieee->wpa_ie);
3226 ieee->wpa_ie = NULL;
3227 ieee->wpa_ie_len = 0;
3228 }
3229
3230 rtllib_wpa_assoc_frame(ieee, ieee->wpa_ie, ieee->wpa_ie_len);
3231 return 0;
3232}
3233
3234#define AUTH_ALG_OPEN_SYSTEM 0x1
3235#define AUTH_ALG_SHARED_KEY 0x2
3236#define AUTH_ALG_LEAP 0x4
3237static int rtllib_wpa_set_auth_algs(struct rtllib_device *ieee, int value)
3238{
3239
3240 struct rtllib_security sec = {
3241 .flags = SEC_AUTH_MODE,
3242 };
3243 int ret = 0;
3244
3245 if (value & AUTH_ALG_SHARED_KEY) {
3246 sec.auth_mode = WLAN_AUTH_SHARED_KEY;
3247 ieee->open_wep = 0;
3248 ieee->auth_mode = 1;
3249 } else if (value & AUTH_ALG_OPEN_SYSTEM) {
3250 sec.auth_mode = WLAN_AUTH_OPEN;
3251 ieee->open_wep = 1;
3252 ieee->auth_mode = 0;
3253 } else if (value & AUTH_ALG_LEAP) {
3254 sec.auth_mode = WLAN_AUTH_LEAP >> 6;
3255 ieee->open_wep = 1;
3256 ieee->auth_mode = 2;
3257 }
3258
3259
3260 if (ieee->set_security)
3261 ieee->set_security(ieee->dev, &sec);
3262
3263 return ret;
3264}
3265
3266static int rtllib_wpa_set_param(struct rtllib_device *ieee, u8 name, u32 value)
3267{
3268 int ret = 0;
3269 unsigned long flags;
3270
3271 switch (name) {
3272 case IEEE_PARAM_WPA_ENABLED:
3273 ret = rtllib_wpa_enable(ieee, value);
3274 break;
3275
3276 case IEEE_PARAM_TKIP_COUNTERMEASURES:
3277 ieee->tkip_countermeasures = value;
3278 break;
3279
3280 case IEEE_PARAM_DROP_UNENCRYPTED:
3281 {
3282
3283
3284
3285
3286
3287
3288
3289
3290
3291
3292
3293 struct rtllib_security sec = {
3294 .flags = SEC_ENABLED,
3295 .enabled = value,
3296 };
3297 ieee->drop_unencrypted = value;
3298
3299
3300
3301 if (!value) {
3302 sec.flags |= SEC_LEVEL;
3303 sec.level = SEC_LEVEL_0;
3304 } else {
3305 sec.flags |= SEC_LEVEL;
3306 sec.level = SEC_LEVEL_1;
3307 }
3308 if (ieee->set_security)
3309 ieee->set_security(ieee->dev, &sec);
3310 break;
3311 }
3312
3313 case IEEE_PARAM_PRIVACY_INVOKED:
3314 ieee->privacy_invoked = value;
3315 break;
3316
3317 case IEEE_PARAM_AUTH_ALGS:
3318 ret = rtllib_wpa_set_auth_algs(ieee, value);
3319 break;
3320
3321 case IEEE_PARAM_IEEE_802_1X:
3322 ieee->ieee802_1x = value;
3323 break;
3324 case IEEE_PARAM_WPAX_SELECT:
3325 spin_lock_irqsave(&ieee->wpax_suitlist_lock, flags);
3326 spin_unlock_irqrestore(&ieee->wpax_suitlist_lock, flags);
3327 break;
3328
3329 default:
3330 printk(KERN_INFO "Unknown WPA param: %d\n", name);
3331 ret = -EOPNOTSUPP;
3332 }
3333
3334 return ret;
3335}
3336
3337
3338static int rtllib_wpa_set_encryption(struct rtllib_device *ieee,
3339 struct ieee_param *param, int param_len,
3340 u8 is_mesh)
3341{
3342 int ret = 0;
3343 struct lib80211_crypto_ops *ops;
3344 struct lib80211_crypt_data **crypt;
3345
3346 struct rtllib_security sec = {
3347 .flags = 0,
3348 };
3349
3350 param->u.crypt.err = 0;
3351 param->u.crypt.alg[IEEE_CRYPT_ALG_NAME_LEN - 1] = '\0';
3352
3353 if (param_len !=
3354 (int) ((char *) param->u.crypt.key - (char *) param) +
3355 param->u.crypt.key_len) {
3356 printk(KERN_INFO "Len mismatch %d, %d\n", param_len,
3357 param->u.crypt.key_len);
3358 return -EINVAL;
3359 }
3360 if (is_broadcast_ether_addr(param->sta_addr)) {
3361 if (param->u.crypt.idx >= NUM_WEP_KEYS)
3362 return -EINVAL;
3363 crypt = &ieee->crypt_info.crypt[param->u.crypt.idx];
3364 } else {
3365 return -EINVAL;
3366 }
3367
3368 if (strcmp(param->u.crypt.alg, "none") == 0) {
3369 if (crypt) {
3370 sec.enabled = 0;
3371 sec.level = SEC_LEVEL_0;
3372 sec.flags |= SEC_ENABLED | SEC_LEVEL;
3373 lib80211_crypt_delayed_deinit(&ieee->crypt_info, crypt);
3374 }
3375 goto done;
3376 }
3377 sec.enabled = 1;
3378 sec.flags |= SEC_ENABLED;
3379
3380
3381 if (!(ieee->host_encrypt || ieee->host_decrypt) &&
3382 strcmp(param->u.crypt.alg, "R-TKIP"))
3383 goto skip_host_crypt;
3384
3385 ops = lib80211_get_crypto_ops(param->u.crypt.alg);
3386 if (ops == NULL && strcmp(param->u.crypt.alg, "R-WEP") == 0) {
3387 request_module("rtllib_crypt_wep");
3388 ops = lib80211_get_crypto_ops(param->u.crypt.alg);
3389 } else if (ops == NULL && strcmp(param->u.crypt.alg, "R-TKIP") == 0) {
3390 request_module("rtllib_crypt_tkip");
3391 ops = lib80211_get_crypto_ops(param->u.crypt.alg);
3392 } else if (ops == NULL && strcmp(param->u.crypt.alg, "R-CCMP") == 0) {
3393 request_module("rtllib_crypt_ccmp");
3394 ops = lib80211_get_crypto_ops(param->u.crypt.alg);
3395 }
3396 if (ops == NULL) {
3397 printk(KERN_INFO "unknown crypto alg '%s'\n",
3398 param->u.crypt.alg);
3399 param->u.crypt.err = IEEE_CRYPT_ERR_UNKNOWN_ALG;
3400 ret = -EINVAL;
3401 goto done;
3402 }
3403 if (*crypt == NULL || (*crypt)->ops != ops) {
3404 struct lib80211_crypt_data *new_crypt;
3405
3406 lib80211_crypt_delayed_deinit(&ieee->crypt_info, crypt);
3407
3408 new_crypt = kmalloc(sizeof(*new_crypt), GFP_KERNEL);
3409 if (new_crypt == NULL) {
3410 ret = -ENOMEM;
3411 goto done;
3412 }
3413 memset(new_crypt, 0, sizeof(struct lib80211_crypt_data));
3414 new_crypt->ops = ops;
3415 if (new_crypt->ops)
3416 new_crypt->priv =
3417 new_crypt->ops->init(param->u.crypt.idx);
3418
3419 if (new_crypt->priv == NULL) {
3420 kfree(new_crypt);
3421 param->u.crypt.err = IEEE_CRYPT_ERR_CRYPT_INIT_FAILED;
3422 ret = -EINVAL;
3423 goto done;
3424 }
3425
3426 *crypt = new_crypt;
3427 }
3428
3429 if (param->u.crypt.key_len > 0 && (*crypt)->ops->set_key &&
3430 (*crypt)->ops->set_key(param->u.crypt.key,
3431 param->u.crypt.key_len, param->u.crypt.seq,
3432 (*crypt)->priv) < 0) {
3433 printk(KERN_INFO "key setting failed\n");
3434 param->u.crypt.err = IEEE_CRYPT_ERR_KEY_SET_FAILED;
3435 ret = -EINVAL;
3436 goto done;
3437 }
3438
3439 skip_host_crypt:
3440 if (param->u.crypt.set_tx) {
3441 ieee->crypt_info.tx_keyidx = param->u.crypt.idx;
3442 sec.active_key = param->u.crypt.idx;
3443 sec.flags |= SEC_ACTIVE_KEY;
3444 } else
3445 sec.flags &= ~SEC_ACTIVE_KEY;
3446
3447 if (param->u.crypt.alg != NULL) {
3448 memcpy(sec.keys[param->u.crypt.idx],
3449 param->u.crypt.key,
3450 param->u.crypt.key_len);
3451 sec.key_sizes[param->u.crypt.idx] = param->u.crypt.key_len;
3452 sec.flags |= (1 << param->u.crypt.idx);
3453
3454 if (strcmp(param->u.crypt.alg, "R-WEP") == 0) {
3455 sec.flags |= SEC_LEVEL;
3456 sec.level = SEC_LEVEL_1;
3457 } else if (strcmp(param->u.crypt.alg, "R-TKIP") == 0) {
3458 sec.flags |= SEC_LEVEL;
3459 sec.level = SEC_LEVEL_2;
3460 } else if (strcmp(param->u.crypt.alg, "R-CCMP") == 0) {
3461 sec.flags |= SEC_LEVEL;
3462 sec.level = SEC_LEVEL_3;
3463 }
3464 }
3465 done:
3466 if (ieee->set_security)
3467 ieee->set_security(ieee->dev, &sec);
3468
3469
3470
3471
3472
3473
3474 if (ieee->reset_on_keychange &&
3475 ieee->iw_mode != IW_MODE_INFRA &&
3476 ieee->reset_port &&
3477 ieee->reset_port(ieee->dev)) {
3478 printk(KERN_INFO "reset_port failed\n");
3479 param->u.crypt.err = IEEE_CRYPT_ERR_CARD_CONF_FAILED;
3480 return -EINVAL;
3481 }
3482
3483 return ret;
3484}
3485
3486inline struct sk_buff *rtllib_disauth_skb(struct rtllib_network *beacon,
3487 struct rtllib_device *ieee, u16 asRsn)
3488{
3489 struct sk_buff *skb;
3490 struct rtllib_disauth *disauth;
3491 int len = sizeof(struct rtllib_disauth) + ieee->tx_headroom;
3492
3493 skb = dev_alloc_skb(len);
3494 if (!skb)
3495 return NULL;
3496
3497 skb_reserve(skb, ieee->tx_headroom);
3498
3499 disauth = (struct rtllib_disauth *) skb_put(skb,
3500 sizeof(struct rtllib_disauth));
3501 disauth->header.frame_ctl = cpu_to_le16(RTLLIB_STYPE_DEAUTH);
3502 disauth->header.duration_id = 0;
3503
3504 memcpy(disauth->header.addr1, beacon->bssid, ETH_ALEN);
3505 memcpy(disauth->header.addr2, ieee->dev->dev_addr, ETH_ALEN);
3506 memcpy(disauth->header.addr3, beacon->bssid, ETH_ALEN);
3507
3508 disauth->reason = cpu_to_le16(asRsn);
3509 return skb;
3510}
3511
3512inline struct sk_buff *rtllib_disassociate_skb(struct rtllib_network *beacon,
3513 struct rtllib_device *ieee, u16 asRsn)
3514{
3515 struct sk_buff *skb;
3516 struct rtllib_disassoc *disass;
3517 int len = sizeof(struct rtllib_disassoc) + ieee->tx_headroom;
3518 skb = dev_alloc_skb(len);
3519
3520 if (!skb)
3521 return NULL;
3522
3523 skb_reserve(skb, ieee->tx_headroom);
3524
3525 disass = (struct rtllib_disassoc *) skb_put(skb,
3526 sizeof(struct rtllib_disassoc));
3527 disass->header.frame_ctl = cpu_to_le16(RTLLIB_STYPE_DISASSOC);
3528 disass->header.duration_id = 0;
3529
3530 memcpy(disass->header.addr1, beacon->bssid, ETH_ALEN);
3531 memcpy(disass->header.addr2, ieee->dev->dev_addr, ETH_ALEN);
3532 memcpy(disass->header.addr3, beacon->bssid, ETH_ALEN);
3533
3534 disass->reason = cpu_to_le16(asRsn);
3535 return skb;
3536}
3537
3538void SendDisassociation(struct rtllib_device *ieee, bool deauth, u16 asRsn)
3539{
3540 struct rtllib_network *beacon = &ieee->current_network;
3541 struct sk_buff *skb;
3542
3543 if (deauth)
3544 skb = rtllib_disauth_skb(beacon, ieee, asRsn);
3545 else
3546 skb = rtllib_disassociate_skb(beacon, ieee, asRsn);
3547
3548 if (skb)
3549 softmac_mgmt_xmit(skb, ieee);
3550}
3551
3552u8 rtllib_ap_sec_type(struct rtllib_device *ieee)
3553{
3554 static u8 ccmp_ie[4] = {0x00, 0x50, 0xf2, 0x04};
3555 static u8 ccmp_rsn_ie[4] = {0x00, 0x0f, 0xac, 0x04};
3556 int wpa_ie_len = ieee->wpa_ie_len;
3557 struct lib80211_crypt_data *crypt;
3558 int encrypt;
3559
3560 crypt = ieee->crypt_info.crypt[ieee->crypt_info.tx_keyidx];
3561 encrypt = (ieee->current_network.capability & WLAN_CAPABILITY_PRIVACY)
3562 || (ieee->host_encrypt && crypt && crypt->ops &&
3563 (0 == strcmp(crypt->ops->name, "R-WEP")));
3564
3565
3566 if (encrypt && (wpa_ie_len == 0)) {
3567 return SEC_ALG_WEP;
3568 } else if ((wpa_ie_len != 0)) {
3569 if (((ieee->wpa_ie[0] == 0xdd) &&
3570 (!memcmp(&(ieee->wpa_ie[14]), ccmp_ie, 4))) ||
3571 ((ieee->wpa_ie[0] == 0x30) &&
3572 (!memcmp(&ieee->wpa_ie[10], ccmp_rsn_ie, 4))))
3573 return SEC_ALG_CCMP;
3574 else
3575 return SEC_ALG_TKIP;
3576 } else {
3577 return SEC_ALG_NONE;
3578 }
3579}
3580
3581int rtllib_wpa_supplicant_ioctl(struct rtllib_device *ieee, struct iw_point *p,
3582 u8 is_mesh)
3583{
3584 struct ieee_param *param;
3585 int ret = 0;
3586
3587 down(&ieee->wx_sem);
3588
3589 if (p->length < sizeof(struct ieee_param) || !p->pointer) {
3590 ret = -EINVAL;
3591 goto out;
3592 }
3593
3594 param = kmalloc(p->length, GFP_KERNEL);
3595 if (param == NULL) {
3596 ret = -ENOMEM;
3597 goto out;
3598 }
3599 if (copy_from_user(param, p->pointer, p->length)) {
3600 kfree(param);
3601 ret = -EFAULT;
3602 goto out;
3603 }
3604
3605 switch (param->cmd) {
3606 case IEEE_CMD_SET_WPA_PARAM:
3607 ret = rtllib_wpa_set_param(ieee, param->u.wpa_param.name,
3608 param->u.wpa_param.value);
3609 break;
3610
3611 case IEEE_CMD_SET_WPA_IE:
3612 ret = rtllib_wpa_set_wpa_ie(ieee, param, p->length);
3613 break;
3614
3615 case IEEE_CMD_SET_ENCRYPTION:
3616 ret = rtllib_wpa_set_encryption(ieee, param, p->length, 0);
3617 break;
3618
3619 case IEEE_CMD_MLME:
3620 ret = rtllib_wpa_mlme(ieee, param->u.mlme.command,
3621 param->u.mlme.reason_code);
3622 break;
3623
3624 default:
3625 printk(KERN_INFO "Unknown WPA supplicant request: %d\n",
3626 param->cmd);
3627 ret = -EOPNOTSUPP;
3628 break;
3629 }
3630
3631 if (ret == 0 && copy_to_user(p->pointer, param, p->length))
3632 ret = -EFAULT;
3633
3634 kfree(param);
3635out:
3636 up(&ieee->wx_sem);
3637
3638 return ret;
3639}
3640EXPORT_SYMBOL(rtllib_wpa_supplicant_ioctl);
3641
3642void rtllib_MgntDisconnectIBSS(struct rtllib_device *rtllib)
3643{
3644 u8 OpMode;
3645 u8 i;
3646 bool bFilterOutNonAssociatedBSSID = false;
3647
3648 rtllib->state = RTLLIB_NOLINK;
3649
3650 for (i = 0; i < 6; i++)
3651 rtllib->current_network.bssid[i] = 0x55;
3652
3653 rtllib->OpMode = RT_OP_MODE_NO_LINK;
3654 rtllib->SetHwRegHandler(rtllib->dev, HW_VAR_BSSID,
3655 rtllib->current_network.bssid);
3656 OpMode = RT_OP_MODE_NO_LINK;
3657 rtllib->SetHwRegHandler(rtllib->dev, HW_VAR_MEDIA_STATUS, &OpMode);
3658 rtllib_stop_send_beacons(rtllib);
3659
3660 bFilterOutNonAssociatedBSSID = false;
3661 rtllib->SetHwRegHandler(rtllib->dev, HW_VAR_CECHK_BSSID,
3662 (u8 *)(&bFilterOutNonAssociatedBSSID));
3663 notify_wx_assoc_event(rtllib);
3664
3665}
3666
3667void rtllib_MlmeDisassociateRequest(struct rtllib_device *rtllib, u8 *asSta,
3668 u8 asRsn)
3669{
3670 u8 i;
3671 u8 OpMode;
3672
3673 RemovePeerTS(rtllib, asSta);
3674
3675 if (memcmp(rtllib->current_network.bssid, asSta, 6) == 0) {
3676 rtllib->state = RTLLIB_NOLINK;
3677
3678 for (i = 0; i < 6; i++)
3679 rtllib->current_network.bssid[i] = 0x22;
3680 OpMode = RT_OP_MODE_NO_LINK;
3681 rtllib->OpMode = RT_OP_MODE_NO_LINK;
3682 rtllib->SetHwRegHandler(rtllib->dev, HW_VAR_MEDIA_STATUS,
3683 (u8 *)(&OpMode));
3684 rtllib_disassociate(rtllib);
3685
3686 rtllib->SetHwRegHandler(rtllib->dev, HW_VAR_BSSID,
3687 rtllib->current_network.bssid);
3688
3689 }
3690
3691}
3692
3693void
3694rtllib_MgntDisconnectAP(
3695 struct rtllib_device *rtllib,
3696 u8 asRsn
3697)
3698{
3699 bool bFilterOutNonAssociatedBSSID = false;
3700
3701 bFilterOutNonAssociatedBSSID = false;
3702 rtllib->SetHwRegHandler(rtllib->dev, HW_VAR_CECHK_BSSID,
3703 (u8 *)(&bFilterOutNonAssociatedBSSID));
3704 rtllib_MlmeDisassociateRequest(rtllib, rtllib->current_network.bssid,
3705 asRsn);
3706
3707 rtllib->state = RTLLIB_NOLINK;
3708}
3709
3710bool rtllib_MgntDisconnect(struct rtllib_device *rtllib, u8 asRsn)
3711{
3712 if (rtllib->ps != RTLLIB_PS_DISABLED)
3713 rtllib->sta_wake_up(rtllib->dev);
3714
3715 if (rtllib->state == RTLLIB_LINKED) {
3716 if (rtllib->iw_mode == IW_MODE_ADHOC)
3717 rtllib_MgntDisconnectIBSS(rtllib);
3718 if (rtllib->iw_mode == IW_MODE_INFRA)
3719 rtllib_MgntDisconnectAP(rtllib, asRsn);
3720
3721 }
3722
3723 return true;
3724}
3725EXPORT_SYMBOL(rtllib_MgntDisconnect);
3726
3727void notify_wx_assoc_event(struct rtllib_device *ieee)
3728{
3729 union iwreq_data wrqu;
3730
3731 if (ieee->cannot_notify)
3732 return;
3733
3734 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3735 if (ieee->state == RTLLIB_LINKED)
3736 memcpy(wrqu.ap_addr.sa_data, ieee->current_network.bssid,
3737 ETH_ALEN);
3738 else {
3739
3740 printk(KERN_INFO "%s(): Tell user space disconnected\n",
3741 __func__);
3742 memset(wrqu.ap_addr.sa_data, 0, ETH_ALEN);
3743 }
3744 wireless_send_event(ieee->dev, SIOCGIWAP, &wrqu, NULL);
3745}
3746EXPORT_SYMBOL(notify_wx_assoc_event);
3747