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include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit...
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / staging / rtl8192u / ieee80211 / ieee80211_softmac.c
CommitLineData
8fc8598e
JC		 1/* IEEE 802.11 SoftMAC layer
2 * Copyright (c) 2005 Andrea Merello <andreamrl@tiscali.it>
3 *
4 * Mostly extracted from the rtl8180-sa2400 driver for the
5 * in-kernel generic ieee802.11 stack.
6 *
7 * Few lines might be stolen from other part of the ieee80211
8 * stack. Copyright who own it's copyright
9 *
10 * WPA code stolen from the ipw2200 driver.
11 * Copyright who own it's copyright.
12 *
13 * released under the GPL
14 */
15
16
17#include "ieee80211.h"
18
19#include <linux/random.h>
20#include <linux/delay.h>
5a0e3ad6 21#include <linux/slab.h>
8fc8598e
JC		 22#include <linux/version.h>
23#include <asm/uaccess.h>
24#ifdef ENABLE_DOT11D
25#include "dot11d.h"
26#endif
27
28u8 rsn_authen_cipher_suite[16][4] = {
29 {0x00,0x0F,0xAC,0x00}, //Use group key, //Reserved
30 {0x00,0x0F,0xAC,0x01}, //WEP-40 //RSNA default
31 {0x00,0x0F,0xAC,0x02}, //TKIP //NONE //{used just as default}
32 {0x00,0x0F,0xAC,0x03}, //WRAP-historical
33 {0x00,0x0F,0xAC,0x04}, //CCMP
34 {0x00,0x0F,0xAC,0x05}, //WEP-104
35};
36
37short ieee80211_is_54g(struct ieee80211_network net)
38{
39 return ((net.rates_ex_len > 0) || (net.rates_len > 4));
40}
41
42short ieee80211_is_shortslot(struct ieee80211_network net)
43{
44 return (net.capability & WLAN_CAPABILITY_SHORT_SLOT);
45}
46
47/* returns the total length needed for pleacing the RATE MFIE
48 * tag and the EXTENDED RATE MFIE tag if needed.
49 * It encludes two bytes per tag for the tag itself and its len
50 */
51unsigned int ieee80211_MFIE_rate_len(struct ieee80211_device *ieee)
52{
53 unsigned int rate_len = 0;
54
55 if (ieee->modulation & IEEE80211_CCK_MODULATION)
56 rate_len = IEEE80211_CCK_RATE_LEN + 2;
57
58 if (ieee->modulation & IEEE80211_OFDM_MODULATION)
59
60 rate_len += IEEE80211_OFDM_RATE_LEN + 2;
61
62 return rate_len;
63}
64
65/* pleace the MFIE rate, tag to the memory (double) poined.
66 * Then it updates the pointer so that
67 * it points after the new MFIE tag added.
68 */
69void ieee80211_MFIE_Brate(struct ieee80211_device *ieee, u8 **tag_p)
70{
71 u8 *tag = *tag_p;
72
73 if (ieee->modulation & IEEE80211_CCK_MODULATION){
74 *tag++ = MFIE_TYPE_RATES;
75 *tag++ = 4;
76 *tag++ = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_1MB;
77 *tag++ = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_2MB;
78 *tag++ = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_5MB;
79 *tag++ = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_11MB;
80 }
81
82 /* We may add an option for custom rates that specific HW might support */
83 *tag_p = tag;
84}
85
86void ieee80211_MFIE_Grate(struct ieee80211_device *ieee, u8 **tag_p)
87{
88 u8 *tag = *tag_p;
89
90 if (ieee->modulation & IEEE80211_OFDM_MODULATION){
91
92 *tag++ = MFIE_TYPE_RATES_EX;
93 *tag++ = 8;
94 *tag++ = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_6MB;
95 *tag++ = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_9MB;
96 *tag++ = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_12MB;
97 *tag++ = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_18MB;
98 *tag++ = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_24MB;
99 *tag++ = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_36MB;
100 *tag++ = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_48MB;
101 *tag++ = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_54MB;
102
103 }
104
105 /* We may add an option for custom rates that specific HW might support */
106 *tag_p = tag;
107}
108
109
110void ieee80211_WMM_Info(struct ieee80211_device *ieee, u8 **tag_p) {
111 u8 *tag = *tag_p;
112
113 *tag++ = MFIE_TYPE_GENERIC; //0
114 *tag++ = 7;
115 *tag++ = 0x00;
116 *tag++ = 0x50;
117 *tag++ = 0xf2;
118 *tag++ = 0x02;//5
119 *tag++ = 0x00;
120 *tag++ = 0x01;
121#ifdef SUPPORT_USPD
122 if(ieee->current_network.wmm_info & 0x80) {
123 *tag++ = 0x0f|MAX_SP_Len;
124 } else {
125 *tag++ = MAX_SP_Len;
126 }
127#else
128 *tag++ = MAX_SP_Len;
129#endif
130 *tag_p = tag;
131}
132
133#ifdef THOMAS_TURBO
134void ieee80211_TURBO_Info(struct ieee80211_device *ieee, u8 **tag_p) {
135 u8 *tag = *tag_p;
136
e406322b
MCC		 137 *tag++ = MFIE_TYPE_GENERIC; //0
138 *tag++ = 7;
139 *tag++ = 0x00;
140 *tag++ = 0xe0;
141 *tag++ = 0x4c;
142 *tag++ = 0x01;//5
143 *tag++ = 0x02;
144 *tag++ = 0x11;
8fc8598e
JC		 145 *tag++ = 0x00;
146
147 *tag_p = tag;
148 printk(KERN_ALERT "This is enable turbo mode IE process\n");
149}
150#endif
151
152void enqueue_mgmt(struct ieee80211_device *ieee, struct sk_buff *skb)
153{
154 int nh;
155 nh = (ieee->mgmt_queue_head +1) % MGMT_QUEUE_NUM;
156
157/*
158 * if the queue is full but we have newer frames then
159 * just overwrites the oldest.
160 *
161 * if (nh == ieee->mgmt_queue_tail)
162 * return -1;
163 */
164 ieee->mgmt_queue_head = nh;
165 ieee->mgmt_queue_ring[nh] = skb;
166
167 //return 0;
168}
169
170struct sk_buff *dequeue_mgmt(struct ieee80211_device *ieee)
171{
172 struct sk_buff *ret;
173
174 if(ieee->mgmt_queue_tail == ieee->mgmt_queue_head)
175 return NULL;
176
177 ret = ieee->mgmt_queue_ring[ieee->mgmt_queue_tail];
178
179 ieee->mgmt_queue_tail =
180 (ieee->mgmt_queue_tail+1) % MGMT_QUEUE_NUM;
181
182 return ret;
183}
184
185void init_mgmt_queue(struct ieee80211_device *ieee)
186{
187 ieee->mgmt_queue_tail = ieee->mgmt_queue_head = 0;
188}
189
190u8 MgntQuery_MgntFrameTxRate(struct ieee80211_device *ieee)
191{
192 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
193 u8 rate;
194
195 // 2008/01/25 MH For broadcom, MGNT frame set as OFDM 6M.
196 if(pHTInfo->IOTAction & HT_IOT_ACT_MGNT_USE_CCK_6M)
197 rate = 0x0c;
198 else
199 rate = ieee->basic_rate & 0x7f;
200
201 if(rate == 0){
202 // 2005.01.26, by rcnjko.
203 if(ieee->mode == IEEE_A||
204 ieee->mode== IEEE_N_5G||
205 (ieee->mode== IEEE_N_24G&&!pHTInfo->bCurSuppCCK))
206 rate = 0x0c;
207 else
208 rate = 0x02;
209 }
210
211 /*
212 // Data rate of ProbeReq is already decided. Annie, 2005-03-31
213 if( pMgntInfo->bScanInProgress || (pMgntInfo->bDualModeScanStep!=0) )
214 {
215 if(pMgntInfo->dot11CurrentWirelessMode==WIRELESS_MODE_A)
216 rate = 0x0c;
217 else
218 rate = 0x02;
219 }
220 */
221 return rate;
222}
223
224
225void ieee80211_sta_wakeup(struct ieee80211_device *ieee, short nl);
226
227inline void softmac_mgmt_xmit(struct sk_buff *skb, struct ieee80211_device *ieee)
228{
229 unsigned long flags;
230 short single = ieee->softmac_features & IEEE_SOFTMAC_SINGLE_QUEUE;
231 struct ieee80211_hdr_3addr *header=
232 (struct ieee80211_hdr_3addr *) skb->data;
233
234 cb_desc *tcb_desc = (cb_desc *)(skb->cb + 8);
235 spin_lock_irqsave(&ieee->lock, flags);
236
237 /* called with 2nd param 0, no mgmt lock required */
238 ieee80211_sta_wakeup(ieee,0);
239
240 tcb_desc->queue_index = MGNT_QUEUE;
241 tcb_desc->data_rate = MgntQuery_MgntFrameTxRate(ieee);
e406322b
MCC		 242 tcb_desc->RATRIndex = 7;
243 tcb_desc->bTxDisableRateFallBack = 1;
244 tcb_desc->bTxUseDriverAssingedRate = 1;
8fc8598e
JC		 245
246 if(single){
247 if(ieee->queue_stop){
248 enqueue_mgmt(ieee,skb);
249 }else{
250 header->seq_ctl = cpu_to_le16(ieee->seq_ctrl[0]<<4);
251
252 if (ieee->seq_ctrl[0] == 0xFFF)
253 ieee->seq_ctrl[0] = 0;
254 else
255 ieee->seq_ctrl[0]++;
256
257 /* avoid watchdog triggers */
258 ieee->dev->trans_start = jiffies;
259 ieee->softmac_data_hard_start_xmit(skb,ieee->dev,ieee->basic_rate);
260 //dev_kfree_skb_any(skb);//edit by thomas
261 }
262
263 spin_unlock_irqrestore(&ieee->lock, flags);
264 }else{
265 spin_unlock_irqrestore(&ieee->lock, flags);
266 spin_lock_irqsave(&ieee->mgmt_tx_lock, flags);
267
268 header->seq_ctl = cpu_to_le16(ieee->seq_ctrl[0] << 4);
269
270 if (ieee->seq_ctrl[0] == 0xFFF)
271 ieee->seq_ctrl[0] = 0;
272 else
273 ieee->seq_ctrl[0]++;
274
275 /* check wether the managed packet queued greater than 5 */
276 if(!ieee->check_nic_enough_desc(ieee->dev,tcb_desc->queue_index)||\
277 (skb_queue_len(&ieee->skb_waitQ[tcb_desc->queue_index]) != 0)||\
278 (ieee->queue_stop) ) {
279 /* insert the skb packet to the management queue */
280 /* as for the completion function, it does not need
281 * to check it any more.
282 * */
283 printk("%s():insert to waitqueue!\n",__FUNCTION__);
284 skb_queue_tail(&ieee->skb_waitQ[tcb_desc->queue_index], skb);
285 } else {
286 //printk("TX packet!\n");
287 ieee->softmac_hard_start_xmit(skb,ieee->dev);
288 //dev_kfree_skb_any(skb);//edit by thomas
289 }
290 spin_unlock_irqrestore(&ieee->mgmt_tx_lock, flags);
291 }
292}
293
294inline void softmac_ps_mgmt_xmit(struct sk_buff *skb, struct ieee80211_device *ieee)
295{
296
297 short single = ieee->softmac_features & IEEE_SOFTMAC_SINGLE_QUEUE;
298 struct ieee80211_hdr_3addr *header =
299 (struct ieee80211_hdr_3addr *) skb->data;
300
301
302 if(single){
303
304 header->seq_ctl = cpu_to_le16(ieee->seq_ctrl[0] << 4);
305
306 if (ieee->seq_ctrl[0] == 0xFFF)
307 ieee->seq_ctrl[0] = 0;
308 else
309 ieee->seq_ctrl[0]++;
310
311 /* avoid watchdog triggers */
312 ieee->dev->trans_start = jiffies;
313 ieee->softmac_data_hard_start_xmit(skb,ieee->dev,ieee->basic_rate);
314
315 }else{
316
317 header->seq_ctl = cpu_to_le16(ieee->seq_ctrl[0] << 4);
318
319 if (ieee->seq_ctrl[0] == 0xFFF)
320 ieee->seq_ctrl[0] = 0;
321 else
322 ieee->seq_ctrl[0]++;
323
324 ieee->softmac_hard_start_xmit(skb,ieee->dev);
325
326 }
327 //dev_kfree_skb_any(skb);//edit by thomas
328}
329
330inline struct sk_buff *ieee80211_probe_req(struct ieee80211_device *ieee)
331{
332 unsigned int len,rate_len;
333 u8 *tag;
334 struct sk_buff *skb;
335 struct ieee80211_probe_request *req;
336
337 len = ieee->current_network.ssid_len;
338
339 rate_len = ieee80211_MFIE_rate_len(ieee);
340
341 skb = dev_alloc_skb(sizeof(struct ieee80211_probe_request) +
342 2 + len + rate_len + ieee->tx_headroom);
343 if (!skb)
344 return NULL;
345
346 skb_reserve(skb, ieee->tx_headroom);
347
348 req = (struct ieee80211_probe_request *) skb_put(skb,sizeof(struct ieee80211_probe_request));
349 req->header.frame_ctl = cpu_to_le16(IEEE80211_STYPE_PROBE_REQ);
350 req->header.duration_id = 0; //FIXME: is this OK ?
351
352 memset(req->header.addr1, 0xff, ETH_ALEN);
353 memcpy(req->header.addr2, ieee->dev->dev_addr, ETH_ALEN);
354 memset(req->header.addr3, 0xff, ETH_ALEN);
355
356 tag = (u8 *) skb_put(skb,len+2+rate_len);
357
358 *tag++ = MFIE_TYPE_SSID;
359 *tag++ = len;
360 memcpy(tag, ieee->current_network.ssid, len);
361 tag += len;
362
363 ieee80211_MFIE_Brate(ieee,&tag);
364 ieee80211_MFIE_Grate(ieee,&tag);
365 return skb;
366}
367
368struct sk_buff *ieee80211_get_beacon_(struct ieee80211_device *ieee);
369void ieee80211_send_beacon(struct ieee80211_device *ieee)
370{
371 struct sk_buff *skb;
372 if(!ieee->ieee_up)
373 return;
374 //unsigned long flags;
375 skb = ieee80211_get_beacon_(ieee);
376
377 if (skb){
378 softmac_mgmt_xmit(skb, ieee);
379 ieee->softmac_stats.tx_beacons++;
380 //dev_kfree_skb_any(skb);//edit by thomas
381 }
382// ieee->beacon_timer.expires = jiffies +
383// (MSECS( ieee->current_network.beacon_interval -5));
384
385 //spin_lock_irqsave(&ieee->beacon_lock,flags);
386 if(ieee->beacon_txing && ieee->ieee_up){
387// if(!timer_pending(&ieee->beacon_timer))
388// add_timer(&ieee->beacon_timer);
389 mod_timer(&ieee->beacon_timer,jiffies+(MSECS(ieee->current_network.beacon_interval-5)));
390 }
391 //spin_unlock_irqrestore(&ieee->beacon_lock,flags);
392}
393
394
395void ieee80211_send_beacon_cb(unsigned long _ieee)
396{
397 struct ieee80211_device *ieee =
398 (struct ieee80211_device *) _ieee;
399 unsigned long flags;
400
401 spin_lock_irqsave(&ieee->beacon_lock, flags);
402 ieee80211_send_beacon(ieee);
403 spin_unlock_irqrestore(&ieee->beacon_lock, flags);
404}
405
406
407void ieee80211_send_probe(struct ieee80211_device *ieee)
408{
409 struct sk_buff *skb;
410
411 skb = ieee80211_probe_req(ieee);
412 if (skb){
413 softmac_mgmt_xmit(skb, ieee);
414 ieee->softmac_stats.tx_probe_rq++;
415 //dev_kfree_skb_any(skb);//edit by thomas
416 }
417}
418
419void ieee80211_send_probe_requests(struct ieee80211_device *ieee)
420{
421 if (ieee->active_scan && (ieee->softmac_features & IEEE_SOFTMAC_PROBERQ)){
422 ieee80211_send_probe(ieee);
423 ieee80211_send_probe(ieee);
424 }
425}
426
427/* this performs syncro scan blocking the caller until all channels
428 * in the allowed channel map has been checked.
429 */
430void ieee80211_softmac_scan_syncro(struct ieee80211_device *ieee)
431{
432 short ch = 0;
433#ifdef ENABLE_DOT11D
434 u8 channel_map[MAX_CHANNEL_NUMBER+1];
435 memcpy(channel_map, GET_DOT11D_INFO(ieee)->channel_map, MAX_CHANNEL_NUMBER+1);
436#endif
437 down(&ieee->scan_sem);
438
439 while(1)
440 {
441
442 do{
443 ch++;
444 if (ch > MAX_CHANNEL_NUMBER)
445 goto out; /* scan completed */
446#ifdef ENABLE_DOT11D
447 }while(!channel_map[ch]);
448#else
449 }while(!ieee->channel_map[ch]);
450#endif
451
452 /* this fuction can be called in two situations
453 * 1- We have switched to ad-hoc mode and we are
454 * performing a complete syncro scan before conclude
455 * there are no interesting cell and to create a
456 * new one. In this case the link state is
457 * IEEE80211_NOLINK until we found an interesting cell.
458 * If so the ieee8021_new_net, called by the RX path
459 * will set the state to IEEE80211_LINKED, so we stop
460 * scanning
461 * 2- We are linked and the root uses run iwlist scan.
462 * So we switch to IEEE80211_LINKED_SCANNING to remember
463 * that we are still logically linked (not interested in
464 * new network events, despite for updating the net list,
465 * but we are temporarly 'unlinked' as the driver shall
466 * not filter RX frames and the channel is changing.
467 * So the only situation in witch are interested is to check
468 * if the state become LINKED because of the #1 situation
469 */
470
471 if (ieee->state == IEEE80211_LINKED)
472 goto out;
473 ieee->set_chan(ieee->dev, ch);
474#ifdef ENABLE_DOT11D
475 if(channel_map[ch] == 1)
476#endif
477 ieee80211_send_probe_requests(ieee);
478
479 /* this prevent excessive time wait when we
480 * need to wait for a syncro scan to end..
481 */
482 if(ieee->state < IEEE80211_LINKED)
483 ;
484 else
485 if (ieee->sync_scan_hurryup)
486 goto out;
487
488
489 msleep_interruptible_rsl(IEEE80211_SOFTMAC_SCAN_TIME);
490
491 }
492out:
493 if(ieee->state < IEEE80211_LINKED){
494 ieee->actscanning = false;
495 up(&ieee->scan_sem);
496 }
497 else{
498 ieee->sync_scan_hurryup = 0;
499#ifdef ENABLE_DOT11D
500 if(IS_DOT11D_ENABLE(ieee))
501 DOT11D_ScanComplete(ieee);
502#endif
503 up(&ieee->scan_sem);
504}
505}
506
8fc8598e 507
8fc8598e
JC		 508void ieee80211_softmac_scan_wq(struct work_struct *work)
509{
e406322b
MCC		 510 struct delayed_work *dwork = container_of(work, struct delayed_work, work);
511 struct ieee80211_device *ieee = container_of(dwork, struct ieee80211_device, softmac_scan_wq);
8fc8598e
JC		 512 static short watchdog = 0;
513#ifdef ENABLE_DOT11D
514 u8 channel_map[MAX_CHANNEL_NUMBER+1];
515 memcpy(channel_map, GET_DOT11D_INFO(ieee)->channel_map, MAX_CHANNEL_NUMBER+1);
516#endif
517 if(!ieee->ieee_up)
518 return;
519 down(&ieee->scan_sem);
520 do{
521 ieee->current_network.channel =
522 (ieee->current_network.channel + 1) % MAX_CHANNEL_NUMBER;
523 if (watchdog++ > MAX_CHANNEL_NUMBER)
524 {
525 //if current channel is not in channel map, set to default channel.
526 #ifdef ENABLE_DOT11D
e406322b 527 if (!channel_map[ieee->current_network.channel]);
8fc8598e
JC		 528 #else
529 if (!ieee->channel_map[ieee->current_network.channel]);
530 #endif
531 ieee->current_network.channel = 6;
532 goto out; /* no good chans */
533 }
534#ifdef ENABLE_DOT11D
e406322b 535 }while(!channel_map[ieee->current_network.channel]);
8fc8598e
JC		 536#else
537 }while(!ieee->channel_map[ieee->current_network.channel]);
538#endif
539 if (ieee->scanning == 0 )
540 goto out;
541 ieee->set_chan(ieee->dev, ieee->current_network.channel);
542#ifdef ENABLE_DOT11D
543 if(channel_map[ieee->current_network.channel] == 1)
544#endif
545 ieee80211_send_probe_requests(ieee);
546
547
8fc8598e 548 queue_delayed_work(ieee->wq, &ieee->softmac_scan_wq, IEEE80211_SOFTMAC_SCAN_TIME);
8fc8598e
JC		 549
550 up(&ieee->scan_sem);
551 return;
552out:
553#ifdef ENABLE_DOT11D
554 if(IS_DOT11D_ENABLE(ieee))
555 DOT11D_ScanComplete(ieee);
556#endif
e406322b 557 ieee->actscanning = false;
8fc8598e
JC		 558 watchdog = 0;
559 ieee->scanning = 0;
560 up(&ieee->scan_sem);
561}
562
8fc8598e
JC		 563
564
565void ieee80211_beacons_start(struct ieee80211_device *ieee)
566{
567 unsigned long flags;
568 spin_lock_irqsave(&ieee->beacon_lock,flags);
569
570 ieee->beacon_txing = 1;
571 ieee80211_send_beacon(ieee);
572
573 spin_unlock_irqrestore(&ieee->beacon_lock,flags);
574}
575
576void ieee80211_beacons_stop(struct ieee80211_device *ieee)
577{
578 unsigned long flags;
579
580 spin_lock_irqsave(&ieee->beacon_lock,flags);
581
582 ieee->beacon_txing = 0;
e406322b 583 del_timer_sync(&ieee->beacon_timer);
8fc8598e
JC		 584
585 spin_unlock_irqrestore(&ieee->beacon_lock,flags);
586
587}
588
589
590void ieee80211_stop_send_beacons(struct ieee80211_device *ieee)
591{
592 if(ieee->stop_send_beacons)
593 ieee->stop_send_beacons(ieee->dev);
594 if (ieee->softmac_features & IEEE_SOFTMAC_BEACONS)
595 ieee80211_beacons_stop(ieee);
596}
597
598
599void ieee80211_start_send_beacons(struct ieee80211_device *ieee)
600{
601 if(ieee->start_send_beacons)
602 ieee->start_send_beacons(ieee->dev,ieee->basic_rate);
603 if(ieee->softmac_features & IEEE_SOFTMAC_BEACONS)
604 ieee80211_beacons_start(ieee);
605}
606
607
608void ieee80211_softmac_stop_scan(struct ieee80211_device *ieee)
609{
610// unsigned long flags;
611
612 //ieee->sync_scan_hurryup = 1;
613
614 down(&ieee->scan_sem);
615// spin_lock_irqsave(&ieee->lock, flags);
616
617 if (ieee->scanning == 1){
618 ieee->scanning = 0;
619
8fc8598e 620 cancel_delayed_work(&ieee->softmac_scan_wq);
8fc8598e
JC		 621 }
622
623// spin_unlock_irqrestore(&ieee->lock, flags);
624 up(&ieee->scan_sem);
625}
626
627void ieee80211_stop_scan(struct ieee80211_device *ieee)
628{
629 if (ieee->softmac_features & IEEE_SOFTMAC_SCAN)
630 ieee80211_softmac_stop_scan(ieee);
631 else
632 ieee->stop_scan(ieee->dev);
633}
634
635/* called with ieee->lock held */
636void ieee80211_start_scan(struct ieee80211_device *ieee)
637{
638#ifdef ENABLE_DOT11D
639 if(IS_DOT11D_ENABLE(ieee) )
640 {
641 if(IS_COUNTRY_IE_VALID(ieee))
642 {
643 RESET_CIE_WATCHDOG(ieee);
644 }
645 }
646#endif
647 if (ieee->softmac_features & IEEE_SOFTMAC_SCAN){
648 if (ieee->scanning == 0){
649 ieee->scanning = 1;
8fc8598e 650 queue_delayed_work(ieee->wq, &ieee->softmac_scan_wq, 0);
8fc8598e
JC		 651 }
652 }else
653 ieee->start_scan(ieee->dev);
654
655}
656
657/* called with wx_sem held */
658void ieee80211_start_scan_syncro(struct ieee80211_device *ieee)
659{
660#ifdef ENABLE_DOT11D
661 if(IS_DOT11D_ENABLE(ieee) )
662 {
663 if(IS_COUNTRY_IE_VALID(ieee))
664 {
665 RESET_CIE_WATCHDOG(ieee);
666 }
667 }
668#endif
669 ieee->sync_scan_hurryup = 0;
670 if (ieee->softmac_features & IEEE_SOFTMAC_SCAN)
671 ieee80211_softmac_scan_syncro(ieee);
672 else
673 ieee->scan_syncro(ieee->dev);
674
675}
676
677inline struct sk_buff *ieee80211_authentication_req(struct ieee80211_network *beacon,
678 struct ieee80211_device *ieee, int challengelen)
679{
680 struct sk_buff *skb;
681 struct ieee80211_authentication *auth;
682 int len = sizeof(struct ieee80211_authentication) + challengelen + ieee->tx_headroom;
683
684
685 skb = dev_alloc_skb(len);
686 if (!skb) return NULL;
687
688 skb_reserve(skb, ieee->tx_headroom);
689 auth = (struct ieee80211_authentication *)
690 skb_put(skb, sizeof(struct ieee80211_authentication));
691
692 auth->header.frame_ctl = IEEE80211_STYPE_AUTH;
693 if (challengelen) auth->header.frame_ctl |= IEEE80211_FCTL_WEP;
694
695 auth->header.duration_id = 0x013a; //FIXME
696
697 memcpy(auth->header.addr1, beacon->bssid, ETH_ALEN);
698 memcpy(auth->header.addr2, ieee->dev->dev_addr, ETH_ALEN);
699 memcpy(auth->header.addr3, beacon->bssid, ETH_ALEN);
700
701 //auth->algorithm = ieee->open_wep ? WLAN_AUTH_OPEN : WLAN_AUTH_SHARED_KEY;
702 if(ieee->auth_mode == 0)
703 auth->algorithm = WLAN_AUTH_OPEN;
704 else if(ieee->auth_mode == 1)
705 auth->algorithm = WLAN_AUTH_SHARED_KEY;
706 else if(ieee->auth_mode == 2)
707 auth->algorithm = WLAN_AUTH_OPEN;//0x80;
708 printk("=================>%s():auth->algorithm is %d\n",__FUNCTION__,auth->algorithm);
709 auth->transaction = cpu_to_le16(ieee->associate_seq);
710 ieee->associate_seq++;
711
712 auth->status = cpu_to_le16(WLAN_STATUS_SUCCESS);
713
714 return skb;
715
716}
717
718
719static struct sk_buff* ieee80211_probe_resp(struct ieee80211_device *ieee, u8 *dest)
720{
721 u8 *tag;
722 int beacon_size;
723 struct ieee80211_probe_response *beacon_buf;
724 struct sk_buff *skb = NULL;
725 int encrypt;
726 int atim_len,erp_len;
727 struct ieee80211_crypt_data* crypt;
728
729 char *ssid = ieee->current_network.ssid;
730 int ssid_len = ieee->current_network.ssid_len;
731 int rate_len = ieee->current_network.rates_len+2;
732 int rate_ex_len = ieee->current_network.rates_ex_len;
733 int wpa_ie_len = ieee->wpa_ie_len;
734 u8 erpinfo_content = 0;
735
736 u8* tmp_ht_cap_buf;
737 u8 tmp_ht_cap_len=0;
738 u8* tmp_ht_info_buf;
739 u8 tmp_ht_info_len=0;
740 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
741 u8* tmp_generic_ie_buf=NULL;
742 u8 tmp_generic_ie_len=0;
743
744 if(rate_ex_len > 0) rate_ex_len+=2;
745
746 if(ieee->current_network.capability & WLAN_CAPABILITY_IBSS)
747 atim_len = 4;
748 else
749 atim_len = 0;
750
8fc8598e
JC		 751 if(ieee80211_is_54g(ieee->current_network))
752 erp_len = 3;
753 else
754 erp_len = 0;
8fc8598e
JC		 755
756
757 crypt = ieee->crypt[ieee->tx_keyidx];
758
759
760 encrypt = ieee->host_encrypt && crypt && crypt->ops &&
761 ((0 == strcmp(crypt->ops->name, "WEP") || wpa_ie_len));
762 //HT ralated element
8fc8598e
JC		 763 tmp_ht_cap_buf =(u8*) &(ieee->pHTInfo->SelfHTCap);
764 tmp_ht_cap_len = sizeof(ieee->pHTInfo->SelfHTCap);
765 tmp_ht_info_buf =(u8*) &(ieee->pHTInfo->SelfHTInfo);
766 tmp_ht_info_len = sizeof(ieee->pHTInfo->SelfHTInfo);
767 HTConstructCapabilityElement(ieee, tmp_ht_cap_buf, &tmp_ht_cap_len,encrypt);
768 HTConstructInfoElement(ieee,tmp_ht_info_buf,&tmp_ht_info_len, encrypt);
769
770
e406322b
MCC		 771 if(pHTInfo->bRegRT2RTAggregation)
772 {
773 tmp_generic_ie_buf = ieee->pHTInfo->szRT2RTAggBuffer;
8fc8598e
JC		 774 tmp_generic_ie_len = sizeof(ieee->pHTInfo->szRT2RTAggBuffer);
775 HTConstructRT2RTAggElement(ieee, tmp_generic_ie_buf, &tmp_generic_ie_len);
e406322b 776 }
8fc8598e 777// printk("===============>tmp_ht_cap_len is %d,tmp_ht_info_len is %d, tmp_generic_ie_len is %d\n",tmp_ht_cap_len,tmp_ht_info_len,tmp_generic_ie_len);
8fc8598e
JC		 778 beacon_size = sizeof(struct ieee80211_probe_response)+2+
779 ssid_len
780 +3 //channel
781 +rate_len
782 +rate_ex_len
783 +atim_len
784 +erp_len
e406322b 785 +wpa_ie_len
8fc8598e
JC		 786 // +tmp_ht_cap_len
787 // +tmp_ht_info_len
788 // +tmp_generic_ie_len
789// +wmm_len+2
790 +ieee->tx_headroom;
791 skb = dev_alloc_skb(beacon_size);
792 if (!skb)
793 return NULL;
794 skb_reserve(skb, ieee->tx_headroom);
795 beacon_buf = (struct ieee80211_probe_response*) skb_put(skb, (beacon_size - ieee->tx_headroom));
796 memcpy (beacon_buf->header.addr1, dest,ETH_ALEN);
797 memcpy (beacon_buf->header.addr2, ieee->dev->dev_addr, ETH_ALEN);
798 memcpy (beacon_buf->header.addr3, ieee->current_network.bssid, ETH_ALEN);
799
800 beacon_buf->header.duration_id = 0; //FIXME
801 beacon_buf->beacon_interval =
802 cpu_to_le16(ieee->current_network.beacon_interval);
803 beacon_buf->capability =
804 cpu_to_le16(ieee->current_network.capability & WLAN_CAPABILITY_IBSS);
805 beacon_buf->capability |=
806 cpu_to_le16(ieee->current_network.capability & WLAN_CAPABILITY_SHORT_PREAMBLE); //add short preamble here
807
808 if(ieee->short_slot && (ieee->current_network.capability & WLAN_CAPABILITY_SHORT_SLOT))
809 cpu_to_le16((beacon_buf->capability |= WLAN_CAPABILITY_SHORT_SLOT));
810
811 crypt = ieee->crypt[ieee->tx_keyidx];
8fc8598e
JC		 812 if (encrypt)
813 beacon_buf->capability |= cpu_to_le16(WLAN_CAPABILITY_PRIVACY);
814
815
816 beacon_buf->header.frame_ctl = cpu_to_le16(IEEE80211_STYPE_PROBE_RESP);
817 beacon_buf->info_element[0].id = MFIE_TYPE_SSID;
818 beacon_buf->info_element[0].len = ssid_len;
819
820 tag = (u8*) beacon_buf->info_element[0].data;
821
822 memcpy(tag, ssid, ssid_len);
823
824 tag += ssid_len;
825
826 *(tag++) = MFIE_TYPE_RATES;
827 *(tag++) = rate_len-2;
828 memcpy(tag,ieee->current_network.rates,rate_len-2);
829 tag+=rate_len-2;
830
831 *(tag++) = MFIE_TYPE_DS_SET;
832 *(tag++) = 1;
833 *(tag++) = ieee->current_network.channel;
834
835 if(atim_len){
836 u16 val16;
837 *(tag++) = MFIE_TYPE_IBSS_SET;
838 *(tag++) = 2;
839 //*((u16*)(tag)) = cpu_to_le16(ieee->current_network.atim_window);
840 val16 = cpu_to_le16(ieee->current_network.atim_window);
841 memcpy((u8 *)tag, (u8 *)&val16, 2);
842 tag+=2;
843 }
844
845 if(erp_len){
846 *(tag++) = MFIE_TYPE_ERP;
847 *(tag++) = 1;
848 *(tag++) = erpinfo_content;
849 }
8fc8598e
JC		 850 if(rate_ex_len){
851 *(tag++) = MFIE_TYPE_RATES_EX;
852 *(tag++) = rate_ex_len-2;
853 memcpy(tag,ieee->current_network.rates_ex,rate_ex_len-2);
854 tag+=rate_ex_len-2;
855 }
856
8fc8598e
JC		 857 if (wpa_ie_len)
858 {
859 if (ieee->iw_mode == IW_MODE_ADHOC)
860 {//as Windows will set pairwise key same as the group key which is not allowed in Linux, so set this for IOT issue. WB 2008.07.07
861 memcpy(&ieee->wpa_ie[14], &ieee->wpa_ie[8], 4);
862 }
863 memcpy(tag, ieee->wpa_ie, ieee->wpa_ie_len);
864 tag += wpa_ie_len;
865 }
866
8fc8598e
JC		 867 //skb->dev = ieee->dev;
868 return skb;
869}
870
871
872struct sk_buff* ieee80211_assoc_resp(struct ieee80211_device *ieee, u8 *dest)
873{
874 struct sk_buff *skb;
875 u8* tag;
876
877 struct ieee80211_crypt_data* crypt;
878 struct ieee80211_assoc_response_frame *assoc;
879 short encrypt;
880
881 unsigned int rate_len = ieee80211_MFIE_rate_len(ieee);
882 int len = sizeof(struct ieee80211_assoc_response_frame) + rate_len + ieee->tx_headroom;
883
884 skb = dev_alloc_skb(len);
885
886 if (!skb)
887 return NULL;
888
889 skb_reserve(skb, ieee->tx_headroom);
890
891 assoc = (struct ieee80211_assoc_response_frame *)
892 skb_put(skb,sizeof(struct ieee80211_assoc_response_frame));
893
894 assoc->header.frame_ctl = cpu_to_le16(IEEE80211_STYPE_ASSOC_RESP);
895 memcpy(assoc->header.addr1, dest,ETH_ALEN);
896 memcpy(assoc->header.addr3, ieee->dev->dev_addr, ETH_ALEN);
897 memcpy(assoc->header.addr2, ieee->dev->dev_addr, ETH_ALEN);
898 assoc->capability = cpu_to_le16(ieee->iw_mode == IW_MODE_MASTER ?
899 WLAN_CAPABILITY_BSS : WLAN_CAPABILITY_IBSS);
900
901
902 if(ieee->short_slot)
903 assoc->capability |= cpu_to_le16(WLAN_CAPABILITY_SHORT_SLOT);
904
905 if (ieee->host_encrypt)
906 crypt = ieee->crypt[ieee->tx_keyidx];
907 else crypt = NULL;
908
909 encrypt = ( crypt && crypt->ops);
910
911 if (encrypt)
912 assoc->capability |= cpu_to_le16(WLAN_CAPABILITY_PRIVACY);
913
914 assoc->status = 0;
915 assoc->aid = cpu_to_le16(ieee->assoc_id);
916 if (ieee->assoc_id == 0x2007) ieee->assoc_id=0;
917 else ieee->assoc_id++;
918
919 tag = (u8*) skb_put(skb, rate_len);
920
921 ieee80211_MFIE_Brate(ieee, &tag);
922 ieee80211_MFIE_Grate(ieee, &tag);
923
924 return skb;
925}
926
927struct sk_buff* ieee80211_auth_resp(struct ieee80211_device *ieee,int status, u8 *dest)
928{
929 struct sk_buff *skb;
930 struct ieee80211_authentication *auth;
931 int len = ieee->tx_headroom + sizeof(struct ieee80211_authentication)+1;
932
933 skb = dev_alloc_skb(len);
934
935 if (!skb)
936 return NULL;
937
938 skb->len = sizeof(struct ieee80211_authentication);
939
940 auth = (struct ieee80211_authentication *)skb->data;
941
942 auth->status = cpu_to_le16(status);
943 auth->transaction = cpu_to_le16(2);
944 auth->algorithm = cpu_to_le16(WLAN_AUTH_OPEN);
945
946 memcpy(auth->header.addr3, ieee->dev->dev_addr, ETH_ALEN);
947 memcpy(auth->header.addr2, ieee->dev->dev_addr, ETH_ALEN);
948 memcpy(auth->header.addr1, dest, ETH_ALEN);
949 auth->header.frame_ctl = cpu_to_le16(IEEE80211_STYPE_AUTH);
950 return skb;
951
952
953}
954
955struct sk_buff* ieee80211_null_func(struct ieee80211_device *ieee,short pwr)
956{
957 struct sk_buff *skb;
958 struct ieee80211_hdr_3addr* hdr;
959
960 skb = dev_alloc_skb(sizeof(struct ieee80211_hdr_3addr));
961
962 if (!skb)
963 return NULL;
964
965 hdr = (struct ieee80211_hdr_3addr*)skb_put(skb,sizeof(struct ieee80211_hdr_3addr));
966
967 memcpy(hdr->addr1, ieee->current_network.bssid, ETH_ALEN);
968 memcpy(hdr->addr2, ieee->dev->dev_addr, ETH_ALEN);
969 memcpy(hdr->addr3, ieee->current_network.bssid, ETH_ALEN);
970
971 hdr->frame_ctl = cpu_to_le16(IEEE80211_FTYPE_DATA |
972 IEEE80211_STYPE_NULLFUNC | IEEE80211_FCTL_TODS |
973 (pwr ? IEEE80211_FCTL_PM:0));
974
975 return skb;
976
977
978}
979
980
981void ieee80211_resp_to_assoc_rq(struct ieee80211_device *ieee, u8* dest)
982{
983 struct sk_buff *buf = ieee80211_assoc_resp(ieee, dest);
984
985 if (buf)
986 softmac_mgmt_xmit(buf, ieee);
987}
988
989
990void ieee80211_resp_to_auth(struct ieee80211_device *ieee, int s, u8* dest)
991{
992 struct sk_buff *buf = ieee80211_auth_resp(ieee, s, dest);
993
994 if (buf)
995 softmac_mgmt_xmit(buf, ieee);
996}
997
998
999void ieee80211_resp_to_probe(struct ieee80211_device *ieee, u8 *dest)
1000{
1001
1002
1003 struct sk_buff *buf = ieee80211_probe_resp(ieee, dest);
1004 if (buf)
1005 softmac_mgmt_xmit(buf, ieee);
1006}
1007
1008
1009inline struct sk_buff *ieee80211_association_req(struct ieee80211_network *beacon,struct ieee80211_device *ieee)
1010{
1011 struct sk_buff *skb;
1012 //unsigned long flags;
1013
1014 struct ieee80211_assoc_request_frame *hdr;
1015 u8 *tag;//,*rsn_ie;
1016 //short info_addr = 0;
1017 //int i;
1018 //u16 suite_count = 0;
1019 //u8 suit_select = 0;
1020 //unsigned int wpa_len = beacon->wpa_ie_len;
1021 //for HT
1022 u8* ht_cap_buf = NULL;
1023 u8 ht_cap_len=0;
1024 u8* realtek_ie_buf=NULL;
1025 u8 realtek_ie_len=0;
1026 int wpa_ie_len= ieee->wpa_ie_len;
1027 unsigned int ckip_ie_len=0;
1028 unsigned int ccxrm_ie_len=0;
1029 unsigned int cxvernum_ie_len=0;
1030 struct ieee80211_crypt_data* crypt;
1031 int encrypt;
1032
1033 unsigned int rate_len = ieee80211_MFIE_rate_len(ieee);
1034 unsigned int wmm_info_len = beacon->qos_data.supported?9:0;
1035#ifdef THOMAS_TURBO
1036 unsigned int turbo_info_len = beacon->Turbo_Enable?9:0;
1037#endif
1038
1039 int len = 0;
1040
1041 crypt = ieee->crypt[ieee->tx_keyidx];
1042 encrypt = ieee->host_encrypt && crypt && crypt->ops && ((0 == strcmp(crypt->ops->name,"WEP") || wpa_ie_len));
1043
1044 //Include High Throuput capability && Realtek proprietary
1045 if(ieee->pHTInfo->bCurrentHTSupport&&ieee->pHTInfo->bEnableHT)
1046 {
1047 ht_cap_buf = (u8*)&(ieee->pHTInfo->SelfHTCap);
1048 ht_cap_len = sizeof(ieee->pHTInfo->SelfHTCap);
1049 HTConstructCapabilityElement(ieee, ht_cap_buf, &ht_cap_len, encrypt);
1050 if(ieee->pHTInfo->bCurrentRT2RTAggregation)
1051 {
1052 realtek_ie_buf = ieee->pHTInfo->szRT2RTAggBuffer;
1053 realtek_ie_len = sizeof( ieee->pHTInfo->szRT2RTAggBuffer);
1054 HTConstructRT2RTAggElement(ieee, realtek_ie_buf, &realtek_ie_len);
1055
1056 }
1057 }
1058 if(ieee->qos_support){
1059 wmm_info_len = beacon->qos_data.supported?9:0;
1060 }
1061
1062
1063 if(beacon->bCkipSupported)
1064 {
1065 ckip_ie_len = 30+2;
1066 }
1067 if(beacon->bCcxRmEnable)
1068 {
1069 ccxrm_ie_len = 6+2;
1070 }
1071 if( beacon->BssCcxVerNumber >= 2 )
1072 {
1073 cxvernum_ie_len = 5+2;
1074 }
1075#ifdef THOMAS_TURBO
1076 len = sizeof(struct ieee80211_assoc_request_frame)+ 2
1077 + beacon->ssid_len//essid tagged val
1078 + rate_len//rates tagged val
1079 + wpa_ie_len
1080 + wmm_info_len
1081 + turbo_info_len
e406322b 1082 + ht_cap_len
8fc8598e
JC		 1083 + realtek_ie_len
1084 + ckip_ie_len
1085 + ccxrm_ie_len
1086 + cxvernum_ie_len
1087 + ieee->tx_headroom;
1088#else
1089 len = sizeof(struct ieee80211_assoc_request_frame)+ 2
1090 + beacon->ssid_len//essid tagged val
1091 + rate_len//rates tagged val
1092 + wpa_ie_len
1093 + wmm_info_len
e406322b 1094 + ht_cap_len
8fc8598e
JC		 1095 + realtek_ie_len
1096 + ckip_ie_len
1097 + ccxrm_ie_len
1098 + cxvernum_ie_len
1099 + ieee->tx_headroom;
1100#endif
1101
1102 skb = dev_alloc_skb(len);
1103
1104 if (!skb)
1105 return NULL;
1106
1107 skb_reserve(skb, ieee->tx_headroom);
1108
1109 hdr = (struct ieee80211_assoc_request_frame *)
1110 skb_put(skb, sizeof(struct ieee80211_assoc_request_frame)+2);
1111
1112
1113 hdr->header.frame_ctl = IEEE80211_STYPE_ASSOC_REQ;
1114 hdr->header.duration_id= 37; //FIXME
1115 memcpy(hdr->header.addr1, beacon->bssid, ETH_ALEN);
1116 memcpy(hdr->header.addr2, ieee->dev->dev_addr, ETH_ALEN);
1117 memcpy(hdr->header.addr3, beacon->bssid, ETH_ALEN);
1118
1119 memcpy(ieee->ap_mac_addr, beacon->bssid, ETH_ALEN);//for HW security, John
1120
1121 hdr->capability = cpu_to_le16(WLAN_CAPABILITY_BSS);
1122 if (beacon->capability & WLAN_CAPABILITY_PRIVACY )
1123 hdr->capability |= cpu_to_le16(WLAN_CAPABILITY_PRIVACY);
1124
1125 if (beacon->capability & WLAN_CAPABILITY_SHORT_PREAMBLE)
1126 hdr->capability |= cpu_to_le16(WLAN_CAPABILITY_SHORT_PREAMBLE); //add short_preamble here
1127
1128 if(ieee->short_slot)
1129 hdr->capability |= cpu_to_le16(WLAN_CAPABILITY_SHORT_SLOT);
e406322b 1130 if (wmm_info_len) //QOS
8fc8598e
JC		 1131 hdr->capability |= cpu_to_le16(WLAN_CAPABILITY_QOS);
1132
1133 hdr->listen_interval = 0xa; //FIXME
1134
1135 hdr->info_element[0].id = MFIE_TYPE_SSID;
1136
1137 hdr->info_element[0].len = beacon->ssid_len;
1138 tag = skb_put(skb, beacon->ssid_len);
1139 memcpy(tag, beacon->ssid, beacon->ssid_len);
1140
1141 tag = skb_put(skb, rate_len);
1142
1143 ieee80211_MFIE_Brate(ieee, &tag);
1144 ieee80211_MFIE_Grate(ieee, &tag);
1145 // For CCX 1 S13, CKIP. Added by Annie, 2006-08-14.
1146 if( beacon->bCkipSupported )
1147 {
1148 static u8 AironetIeOui[] = {0x00, 0x01, 0x66}; // "4500-client"
1149 u8 CcxAironetBuf[30];
1150 OCTET_STRING osCcxAironetIE;
1151
1152 memset(CcxAironetBuf, 0,30);
1153 osCcxAironetIE.Octet = CcxAironetBuf;
1154 osCcxAironetIE.Length = sizeof(CcxAironetBuf);
1155 //
1156 // Ref. CCX test plan v3.61, 3.2.3.1 step 13.
1157 // We want to make the device type as "4500-client". 060926, by CCW.
1158 //
1159 memcpy(osCcxAironetIE.Octet, AironetIeOui, sizeof(AironetIeOui));
1160
1161 // CCX1 spec V1.13, A01.1 CKIP Negotiation (page23):
1162 // "The CKIP negotiation is started with the associate request from the client to the access point,
1163 // containing an Aironet element with both the MIC and KP bits set."
1164 osCcxAironetIE.Octet[IE_CISCO_FLAG_POSITION] |= (SUPPORT_CKIP_PK|SUPPORT_CKIP_MIC) ;
1165 tag = skb_put(skb, ckip_ie_len);
1166 *tag++ = MFIE_TYPE_AIRONET;
1167 *tag++ = osCcxAironetIE.Length;
1168 memcpy(tag,osCcxAironetIE.Octet,osCcxAironetIE.Length);
1169 tag += osCcxAironetIE.Length;
1170 }
1171
1172 if(beacon->bCcxRmEnable)
1173 {
1174 static u8 CcxRmCapBuf[] = {0x00, 0x40, 0x96, 0x01, 0x01, 0x00};
1175 OCTET_STRING osCcxRmCap;
1176
1177 osCcxRmCap.Octet = CcxRmCapBuf;
1178 osCcxRmCap.Length = sizeof(CcxRmCapBuf);
1179 tag = skb_put(skb,ccxrm_ie_len);
1180 *tag++ = MFIE_TYPE_GENERIC;
1181 *tag++ = osCcxRmCap.Length;
1182 memcpy(tag,osCcxRmCap.Octet,osCcxRmCap.Length);
1183 tag += osCcxRmCap.Length;
1184 }
1185
1186 if( beacon->BssCcxVerNumber >= 2 )
1187 {
1188 u8 CcxVerNumBuf[] = {0x00, 0x40, 0x96, 0x03, 0x00};
1189 OCTET_STRING osCcxVerNum;
1190 CcxVerNumBuf[4] = beacon->BssCcxVerNumber;
1191 osCcxVerNum.Octet = CcxVerNumBuf;
1192 osCcxVerNum.Length = sizeof(CcxVerNumBuf);
1193 tag = skb_put(skb,cxvernum_ie_len);
1194 *tag++ = MFIE_TYPE_GENERIC;
1195 *tag++ = osCcxVerNum.Length;
1196 memcpy(tag,osCcxVerNum.Octet,osCcxVerNum.Length);
1197 tag += osCcxVerNum.Length;
1198 }
e406322b 1199 //HT cap element
8fc8598e
JC		 1200 if(ieee->pHTInfo->bCurrentHTSupport&&ieee->pHTInfo->bEnableHT){
1201 if(ieee->pHTInfo->ePeerHTSpecVer != HT_SPEC_VER_EWC)
1202 {
1203 tag = skb_put(skb, ht_cap_len);
1204 *tag++ = MFIE_TYPE_HT_CAP;
1205 *tag++ = ht_cap_len - 2;
1206 memcpy(tag, ht_cap_buf,ht_cap_len -2);
1207 tag += ht_cap_len -2;
1208 }
1209 }
1210
1211
1212 //choose what wpa_supplicant gives to associate.
1213 tag = skb_put(skb, wpa_ie_len);
1214 if (wpa_ie_len){
1215 memcpy(tag, ieee->wpa_ie, ieee->wpa_ie_len);
1216 }
1217
1218 tag = skb_put(skb,wmm_info_len);
1219 if(wmm_info_len) {
1220 ieee80211_WMM_Info(ieee, &tag);
1221 }
1222#ifdef THOMAS_TURBO
1223 tag = skb_put(skb,turbo_info_len);
e406322b
MCC		 1224 if(turbo_info_len) {
1225 ieee80211_TURBO_Info(ieee, &tag);
1226 }
8fc8598e
JC		 1227#endif
1228
1229 if(ieee->pHTInfo->bCurrentHTSupport&&ieee->pHTInfo->bEnableHT){
1230 if(ieee->pHTInfo->ePeerHTSpecVer == HT_SPEC_VER_EWC)
1231 {
1232 tag = skb_put(skb, ht_cap_len);
1233 *tag++ = MFIE_TYPE_GENERIC;
1234 *tag++ = ht_cap_len - 2;
1235 memcpy(tag, ht_cap_buf,ht_cap_len - 2);
1236 tag += ht_cap_len -2;
1237 }
1238
1239 if(ieee->pHTInfo->bCurrentRT2RTAggregation){
1240 tag = skb_put(skb, realtek_ie_len);
1241 *tag++ = MFIE_TYPE_GENERIC;
1242 *tag++ = realtek_ie_len - 2;
1243 memcpy(tag, realtek_ie_buf,realtek_ie_len -2 );
1244 }
1245 }
1246// printk("<=====%s(), %p, %p\n", __FUNCTION__, ieee->dev, ieee->dev->dev_addr);
1247// IEEE80211_DEBUG_DATA(IEEE80211_DL_DATA, skb->data, skb->len);
1248 return skb;
1249}
1250
1251void ieee80211_associate_abort(struct ieee80211_device *ieee)
1252{
1253
1254 unsigned long flags;
1255 spin_lock_irqsave(&ieee->lock, flags);
1256
1257 ieee->associate_seq++;
1258
1259 /* don't scan, and avoid to have the RX path possibily
1260 * try again to associate. Even do not react to AUTH or
1261 * ASSOC response. Just wait for the retry wq to be scheduled.
1262 * Here we will check if there are good nets to associate
1263 * with, so we retry or just get back to NO_LINK and scanning
1264 */
1265 if (ieee->state == IEEE80211_ASSOCIATING_AUTHENTICATING){
1266 IEEE80211_DEBUG_MGMT("Authentication failed\n");
1267 ieee->softmac_stats.no_auth_rs++;
1268 }else{
1269 IEEE80211_DEBUG_MGMT("Association failed\n");
1270 ieee->softmac_stats.no_ass_rs++;
1271 }
1272
1273 ieee->state = IEEE80211_ASSOCIATING_RETRY;
1274
8fc8598e 1275 queue_delayed_work(ieee->wq, &ieee->associate_retry_wq, \
e406322b 1276 IEEE80211_SOFTMAC_ASSOC_RETRY_TIME);
8fc8598e
JC		 1277
1278 spin_unlock_irqrestore(&ieee->lock, flags);
1279}
1280
1281void ieee80211_associate_abort_cb(unsigned long dev)
1282{
1283 ieee80211_associate_abort((struct ieee80211_device *) dev);
1284}
1285
1286
1287void ieee80211_associate_step1(struct ieee80211_device *ieee)
1288{
1289 struct ieee80211_network *beacon = &ieee->current_network;
1290 struct sk_buff *skb;
1291
1292 IEEE80211_DEBUG_MGMT("Stopping scan\n");
1293
1294 ieee->softmac_stats.tx_auth_rq++;
1295 skb=ieee80211_authentication_req(beacon, ieee, 0);
1296
1297 if (!skb)
1298 ieee80211_associate_abort(ieee);
1299 else{
1300 ieee->state = IEEE80211_ASSOCIATING_AUTHENTICATING ;
1301 IEEE80211_DEBUG_MGMT("Sending authentication request\n");
1302 //printk(KERN_WARNING "Sending authentication request\n");
1303 softmac_mgmt_xmit(skb, ieee);
1304 //BUGON when you try to add_timer twice, using mod_timer may be better, john0709
1305 if(!timer_pending(&ieee->associate_timer)){
1306 ieee->associate_timer.expires = jiffies + (HZ / 2);
1307 add_timer(&ieee->associate_timer);
1308 }
1309 //dev_kfree_skb_any(skb);//edit by thomas
1310 }
1311}
1312
1313void ieee80211_auth_challenge(struct ieee80211_device *ieee, u8 *challenge, int chlen)
1314{
1315 u8 *c;
1316 struct sk_buff *skb;
1317 struct ieee80211_network *beacon = &ieee->current_network;
1318// int hlen = sizeof(struct ieee80211_authentication);
1319
1320 ieee->associate_seq++;
1321 ieee->softmac_stats.tx_auth_rq++;
1322
1323 skb = ieee80211_authentication_req(beacon, ieee, chlen+2);
1324 if (!skb)
1325 ieee80211_associate_abort(ieee);
1326 else{
1327 c = skb_put(skb, chlen+2);
1328 *(c++) = MFIE_TYPE_CHALLENGE;
1329 *(c++) = chlen;
1330 memcpy(c, challenge, chlen);
1331
1332 IEEE80211_DEBUG_MGMT("Sending authentication challenge response\n");
1333
1334 ieee80211_encrypt_fragment(ieee, skb, sizeof(struct ieee80211_hdr_3addr ));
1335
1336 softmac_mgmt_xmit(skb, ieee);
1337 mod_timer(&ieee->associate_timer, jiffies + (HZ/2));
8fc8598e
JC		 1338 //dev_kfree_skb_any(skb);//edit by thomas
1339 }
1340 kfree(challenge);
1341}
1342
1343void ieee80211_associate_step2(struct ieee80211_device *ieee)
1344{
1345 struct sk_buff* skb;
1346 struct ieee80211_network *beacon = &ieee->current_network;
1347
1348 del_timer_sync(&ieee->associate_timer);
1349
1350 IEEE80211_DEBUG_MGMT("Sending association request\n");
1351
1352 ieee->softmac_stats.tx_ass_rq++;
1353 skb=ieee80211_association_req(beacon, ieee);
1354 if (!skb)
1355 ieee80211_associate_abort(ieee);
1356 else{
1357 softmac_mgmt_xmit(skb, ieee);
1358 mod_timer(&ieee->associate_timer, jiffies + (HZ/2));
8fc8598e
JC		 1359 //dev_kfree_skb_any(skb);//edit by thomas
1360 }
1361}
8fc8598e
JC		 1362void ieee80211_associate_complete_wq(struct work_struct *work)
1363{
e406322b 1364 struct ieee80211_device *ieee = container_of(work, struct ieee80211_device, associate_complete_wq);
8fc8598e
JC		 1365 printk(KERN_INFO "Associated successfully\n");
1366 if(ieee80211_is_54g(ieee->current_network) &&
1367 (ieee->modulation & IEEE80211_OFDM_MODULATION)){
1368
1369 ieee->rate = 108;
1370 printk(KERN_INFO"Using G rates:%d\n", ieee->rate);
1371 }else{
1372 ieee->rate = 22;
1373 printk(KERN_INFO"Using B rates:%d\n", ieee->rate);
1374 }
1375 if (ieee->pHTInfo->bCurrentHTSupport&&ieee->pHTInfo->bEnableHT)
1376 {
1377 printk("Successfully associated, ht enabled\n");
1378 HTOnAssocRsp(ieee);
1379 }
1380 else
1381 {
1382 printk("Successfully associated, ht not enabled(%d, %d)\n", ieee->pHTInfo->bCurrentHTSupport, ieee->pHTInfo->bEnableHT);
1383 memset(ieee->dot11HTOperationalRateSet, 0, 16);
1384 //HTSetConnectBwMode(ieee, HT_CHANNEL_WIDTH_20, HT_EXTCHNL_OFFSET_NO_EXT);
1385 }
1386 ieee->LinkDetectInfo.SlotNum = 2 * (1 + ieee->current_network.beacon_interval/500);
1387 // To prevent the immediately calling watch_dog after association.
1388 if(ieee->LinkDetectInfo.NumRecvBcnInPeriod==0||ieee->LinkDetectInfo.NumRecvDataInPeriod==0 )
1389 {
1390 ieee->LinkDetectInfo.NumRecvBcnInPeriod = 1;
1391 ieee->LinkDetectInfo.NumRecvDataInPeriod= 1;
1392 }
1393 ieee->link_change(ieee->dev);
1394 if(ieee->is_silent_reset == 0){
1395 printk("============>normal associate\n");
1396 notify_wx_assoc_event(ieee);
1397 }
1398 else if(ieee->is_silent_reset == 1)
1399 {
1400 printk("==================>silent reset associate\n");
1401 ieee->is_silent_reset = 0;
1402 }
1403
1404 if (ieee->data_hard_resume)
1405 ieee->data_hard_resume(ieee->dev);
1406 netif_carrier_on(ieee->dev);
1407}
1408
1409void ieee80211_associate_complete(struct ieee80211_device *ieee)
1410{
1411// int i;
1412// struct net_device* dev = ieee->dev;
1413 del_timer_sync(&ieee->associate_timer);
1414
8fc8598e 1415 ieee->state = IEEE80211_LINKED;
8fc8598e 1416 //ieee->UpdateHalRATRTableHandler(dev, ieee->dot11HTOperationalRateSet);
8fc8598e 1417 queue_work(ieee->wq, &ieee->associate_complete_wq);
8fc8598e
JC		 1418}
1419
8fc8598e
JC		 1420void ieee80211_associate_procedure_wq(struct work_struct *work)
1421{
e406322b 1422 struct ieee80211_device *ieee = container_of(work, struct ieee80211_device, associate_procedure_wq);
8fc8598e
JC		 1423 ieee->sync_scan_hurryup = 1;
1424 down(&ieee->wx_sem);
1425
1426 if (ieee->data_hard_stop)
1427 ieee->data_hard_stop(ieee->dev);
1428
1429 ieee80211_stop_scan(ieee);
1430 printk("===>%s(), chan:%d\n", __FUNCTION__, ieee->current_network.channel);
1431 //ieee->set_chan(ieee->dev, ieee->current_network.channel);
1432 HTSetConnectBwMode(ieee, HT_CHANNEL_WIDTH_20, HT_EXTCHNL_OFFSET_NO_EXT);
1433
1434 ieee->associate_seq = 1;
1435 ieee80211_associate_step1(ieee);
1436
1437 up(&ieee->wx_sem);
1438}
1439
1440inline void ieee80211_softmac_new_net(struct ieee80211_device *ieee, struct ieee80211_network *net)
1441{
1442 u8 tmp_ssid[IW_ESSID_MAX_SIZE+1];
1443 int tmp_ssid_len = 0;
1444
1445 short apset,ssidset,ssidbroad,apmatch,ssidmatch;
1446
1447 /* we are interested in new new only if we are not associated
1448 * and we are not associating / authenticating
1449 */
1450 if (ieee->state != IEEE80211_NOLINK)
1451 return;
1452
1453 if ((ieee->iw_mode == IW_MODE_INFRA) && !(net->capability & WLAN_CAPABILITY_BSS))
1454 return;
1455
1456 if ((ieee->iw_mode == IW_MODE_ADHOC) && !(net->capability & WLAN_CAPABILITY_IBSS))
1457 return;
1458
1459
1460 if (ieee->iw_mode == IW_MODE_INFRA || ieee->iw_mode == IW_MODE_ADHOC){
1461 /* if the user specified the AP MAC, we need also the essid
1462 * This could be obtained by beacons or, if the network does not
1463 * broadcast it, it can be put manually.
1464 */
1465 apset = ieee->wap_set;//(memcmp(ieee->current_network.bssid, zero,ETH_ALEN)!=0 );
1466 ssidset = ieee->ssid_set;//ieee->current_network.ssid[0] != '\0';
1467 ssidbroad = !(net->ssid_len == 0 || net->ssid[0]== '\0');
1468 apmatch = (memcmp(ieee->current_network.bssid, net->bssid, ETH_ALEN)==0);
1469 ssidmatch = (ieee->current_network.ssid_len == net->ssid_len)&&\
1470 (!strncmp(ieee->current_network.ssid, net->ssid, net->ssid_len));
1471
1472
1473 if ( /* if the user set the AP check if match.
e406322b 1474 * if the network does not broadcast essid we check the user supplyed ANY essid
8fc8598e
JC		 1475 * if the network does broadcast and the user does not set essid it is OK
1476 * if the network does broadcast and the user did set essid chech if essid match
1477 */
1478 ( apset && apmatch &&
1479 ((ssidset && ssidbroad && ssidmatch) || (ssidbroad && !ssidset) || (!ssidbroad && ssidset)) ) ||
1480 /* if the ap is not set, check that the user set the bssid
1481 * and the network does bradcast and that those two bssid matches
1482 */
1483 (!apset && ssidset && ssidbroad && ssidmatch)
1484 ){
1485 /* if the essid is hidden replace it with the
1486 * essid provided by the user.
1487 */
1488 if (!ssidbroad){
1489 strncpy(tmp_ssid, ieee->current_network.ssid, IW_ESSID_MAX_SIZE);
1490 tmp_ssid_len = ieee->current_network.ssid_len;
1491 }
1492 memcpy(&ieee->current_network, net, sizeof(struct ieee80211_network));
1493
1494 if (!ssidbroad){
1495 strncpy(ieee->current_network.ssid, tmp_ssid, IW_ESSID_MAX_SIZE);
1496 ieee->current_network.ssid_len = tmp_ssid_len;
1497 }
1498 printk(KERN_INFO"Linking with %s,channel:%d, qos:%d, myHT:%d, networkHT:%d\n",ieee->current_network.ssid,ieee->current_network.channel, ieee->current_network.qos_data.supported, ieee->pHTInfo->bEnableHT, ieee->current_network.bssht.bdSupportHT);
1499
1500 //ieee->pHTInfo->IOTAction = 0;
1501 HTResetIOTSetting(ieee->pHTInfo);
1502 if (ieee->iw_mode == IW_MODE_INFRA){
1503 /* Join the network for the first time */
1504 ieee->AsocRetryCount = 0;
1505 //for HT by amy 080514
1506 if((ieee->current_network.qos_data.supported == 1) &&
1507 // (ieee->pHTInfo->bEnableHT && ieee->current_network.bssht.bdSupportHT))
1508 ieee->current_network.bssht.bdSupportHT)
1509/*WB, 2008.09.09:bCurrentHTSupport and bEnableHT two flags are going to put together to check whether we are in HT now, so needn't to check bEnableHT flags here. That's is to say we will set to HT support whenever joined AP has the ability to support HT. And whether we are in HT or not, please check bCurrentHTSupport&&bEnableHT now please.*/
1510 {
1511 // ieee->pHTInfo->bCurrentHTSupport = true;
1512 HTResetSelfAndSavePeerSetting(ieee, &(ieee->current_network));
1513 }
1514 else
1515 {
1516 ieee->pHTInfo->bCurrentHTSupport = false;
1517 }
1518
1519 ieee->state = IEEE80211_ASSOCIATING;
8fc8598e 1520 queue_work(ieee->wq, &ieee->associate_procedure_wq);
8fc8598e
JC		 1521 }else{
1522 if(ieee80211_is_54g(ieee->current_network) &&
1523 (ieee->modulation & IEEE80211_OFDM_MODULATION)){
1524 ieee->rate = 108;
1525 ieee->SetWirelessMode(ieee->dev, IEEE_G);
1526 printk(KERN_INFO"Using G rates\n");
1527 }else{
1528 ieee->rate = 22;
1529 ieee->SetWirelessMode(ieee->dev, IEEE_B);
1530 printk(KERN_INFO"Using B rates\n");
1531 }
1532 memset(ieee->dot11HTOperationalRateSet, 0, 16);
1533 //HTSetConnectBwMode(ieee, HT_CHANNEL_WIDTH_20, HT_EXTCHNL_OFFSET_NO_EXT);
1534 ieee->state = IEEE80211_LINKED;
1535 }
1536
1537 }
1538 }
1539
1540}
1541
1542void ieee80211_softmac_check_all_nets(struct ieee80211_device *ieee)
1543{
1544 unsigned long flags;
1545 struct ieee80211_network *target;
1546
1547 spin_lock_irqsave(&ieee->lock, flags);
1548
1549 list_for_each_entry(target, &ieee->network_list, list) {
1550
1551 /* if the state become different that NOLINK means
1552 * we had found what we are searching for
1553 */
1554
1555 if (ieee->state != IEEE80211_NOLINK)
1556 break;
1557
1558 if (ieee->scan_age == 0 || time_after(target->last_scanned + ieee->scan_age, jiffies))
1559 ieee80211_softmac_new_net(ieee, target);
1560 }
1561
1562 spin_unlock_irqrestore(&ieee->lock, flags);
1563
1564}
1565
1566
1567static inline u16 auth_parse(struct sk_buff *skb, u8** challenge, int *chlen)
1568{
1569 struct ieee80211_authentication *a;
1570 u8 *t;
1571 if (skb->len < (sizeof(struct ieee80211_authentication)-sizeof(struct ieee80211_info_element))){
1572 IEEE80211_DEBUG_MGMT("invalid len in auth resp: %d\n",skb->len);
1573 return 0xcafe;
1574 }
1575 *challenge = NULL;
1576 a = (struct ieee80211_authentication*) skb->data;
1577 if(skb->len > (sizeof(struct ieee80211_authentication) +3)){
1578 t = skb->data + sizeof(struct ieee80211_authentication);
1579
1580 if(*(t++) == MFIE_TYPE_CHALLENGE){
1581 *chlen = *(t++);
1582 *challenge = (u8*)kmalloc(*chlen, GFP_ATOMIC);
1583 memcpy(*challenge, t, *chlen);
1584 }
1585 }
1586
1587 return cpu_to_le16(a->status);
1588
1589}
1590
1591
1592int auth_rq_parse(struct sk_buff *skb,u8* dest)
1593{
1594 struct ieee80211_authentication *a;
1595
1596 if (skb->len < (sizeof(struct ieee80211_authentication)-sizeof(struct ieee80211_info_element))){
1597 IEEE80211_DEBUG_MGMT("invalid len in auth request: %d\n",skb->len);
1598 return -1;
1599 }
1600 a = (struct ieee80211_authentication*) skb->data;
1601
1602 memcpy(dest,a->header.addr2, ETH_ALEN);
1603
1604 if (le16_to_cpu(a->algorithm) != WLAN_AUTH_OPEN)
1605 return WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG;
1606
1607 return WLAN_STATUS_SUCCESS;
1608}
1609
1610static short probe_rq_parse(struct ieee80211_device *ieee, struct sk_buff *skb, u8 *src)
1611{
1612 u8 *tag;
1613 u8 *skbend;
1614 u8 *ssid=NULL;
1615 u8 ssidlen = 0;
1616
1617 struct ieee80211_hdr_3addr *header =
1618 (struct ieee80211_hdr_3addr *) skb->data;
1619
1620 if (skb->len < sizeof (struct ieee80211_hdr_3addr ))
1621 return -1; /* corrupted */
1622
1623 memcpy(src,header->addr2, ETH_ALEN);
1624
1625 skbend = (u8*)skb->data + skb->len;
1626
1627 tag = skb->data + sizeof (struct ieee80211_hdr_3addr );
1628
1629 while (tag+1 < skbend){
1630 if (*tag == 0){
1631 ssid = tag+2;
1632 ssidlen = *(tag+1);
1633 break;
1634 }
1635 tag++; /* point to the len field */
1636 tag = tag + *(tag); /* point to the last data byte of the tag */
1637 tag++; /* point to the next tag */
1638 }
1639
1640 //IEEE80211DMESG("Card MAC address is "MACSTR, MAC2STR(src));
1641 if (ssidlen == 0) return 1;
1642
1643 if (!ssid) return 1; /* ssid not found in tagged param */
1644 return (!strncmp(ssid, ieee->current_network.ssid, ssidlen));
1645
1646}
1647
1648int assoc_rq_parse(struct sk_buff *skb,u8* dest)
1649{
1650 struct ieee80211_assoc_request_frame *a;
1651
1652 if (skb->len < (sizeof(struct ieee80211_assoc_request_frame) -
1653 sizeof(struct ieee80211_info_element))) {
1654
1655 IEEE80211_DEBUG_MGMT("invalid len in auth request:%d \n", skb->len);
1656 return -1;
1657 }
1658
1659 a = (struct ieee80211_assoc_request_frame*) skb->data;
1660
1661 memcpy(dest,a->header.addr2,ETH_ALEN);
1662
1663 return 0;
1664}
1665
1666static inline u16 assoc_parse(struct ieee80211_device *ieee, struct sk_buff *skb, int *aid)
1667{
1668 struct ieee80211_assoc_response_frame *response_head;
1669 u16 status_code;
1670
1671 if (skb->len < sizeof(struct ieee80211_assoc_response_frame)){
1672 IEEE80211_DEBUG_MGMT("invalid len in auth resp: %d\n", skb->len);
1673 return 0xcafe;
1674 }
1675
1676 response_head = (struct ieee80211_assoc_response_frame*) skb->data;
1677 *aid = le16_to_cpu(response_head->aid) & 0x3fff;
1678
1679 status_code = le16_to_cpu(response_head->status);
1680 if((status_code==WLAN_STATUS_ASSOC_DENIED_RATES || \
1681 status_code==WLAN_STATUS_CAPS_UNSUPPORTED)&&
1682 ((ieee->mode == IEEE_G) &&
1683 (ieee->current_network.mode == IEEE_N_24G) &&
e406322b
MCC		 1684 (ieee->AsocRetryCount++ < (RT_ASOC_RETRY_LIMIT-1)))) {
1685 ieee->pHTInfo->IOTAction |= HT_IOT_ACT_PURE_N_MODE;
8fc8598e
JC		 1686 }else {
1687 ieee->AsocRetryCount = 0;
1688 }
1689
1690 return le16_to_cpu(response_head->status);
1691}
1692
1693static inline void
1694ieee80211_rx_probe_rq(struct ieee80211_device *ieee, struct sk_buff *skb)
1695{
1696 u8 dest[ETH_ALEN];
1697
1698 //IEEE80211DMESG("Rx probe");
1699 ieee->softmac_stats.rx_probe_rq++;
1700 //DMESG("Dest is "MACSTR, MAC2STR(dest));
1701 if (probe_rq_parse(ieee, skb, dest)){
1702 //IEEE80211DMESG("Was for me!");
1703 ieee->softmac_stats.tx_probe_rs++;
1704 ieee80211_resp_to_probe(ieee, dest);
1705 }
1706}
1707
1708static inline void
1709ieee80211_rx_auth_rq(struct ieee80211_device *ieee, struct sk_buff *skb)
1710{
1711 u8 dest[ETH_ALEN];
1712 int status;
1713 //IEEE80211DMESG("Rx probe");
1714 ieee->softmac_stats.rx_auth_rq++;
1715
1716 if ((status = auth_rq_parse(skb, dest))!= -1){
1717 ieee80211_resp_to_auth(ieee, status, dest);
1718 }
1719 //DMESG("Dest is "MACSTR, MAC2STR(dest));
1720
1721}
1722
1723static inline void
1724ieee80211_rx_assoc_rq(struct ieee80211_device *ieee, struct sk_buff *skb)
1725{
1726
1727 u8 dest[ETH_ALEN];
1728 //unsigned long flags;
1729
1730 ieee->softmac_stats.rx_ass_rq++;
1731 if (assoc_rq_parse(skb,dest) != -1){
1732 ieee80211_resp_to_assoc_rq(ieee, dest);
1733 }
1734
0ee9f67c 1735 printk(KERN_INFO"New client associated: %pM\n", dest);
8fc8598e 1736 //FIXME
8fc8598e
JC		 1737}
1738
1739
1740
1741void ieee80211_sta_ps_send_null_frame(struct ieee80211_device *ieee, short pwr)
1742{
1743
1744 struct sk_buff *buf = ieee80211_null_func(ieee, pwr);
1745
1746 if (buf)
1747 softmac_ps_mgmt_xmit(buf, ieee);
1748
1749}
1750
1751
1752short ieee80211_sta_ps_sleep(struct ieee80211_device *ieee, u32 *time_h, u32 *time_l)
1753{
1754 int timeout = ieee->ps_timeout;
1755 u8 dtim;
1756 /*if(ieee->ps == IEEE80211_PS_DISABLED ||
1757 ieee->iw_mode != IW_MODE_INFRA ||
1758 ieee->state != IEEE80211_LINKED)
1759
1760 return 0;
1761 */
1762 dtim = ieee->current_network.dtim_data;
1763 //printk("DTIM\n");
1764 if(!(dtim & IEEE80211_DTIM_VALID))
1765 return 0;
1766 timeout = ieee->current_network.beacon_interval; //should we use ps_timeout value or beacon_interval
1767 //printk("VALID\n");
1768 ieee->current_network.dtim_data = IEEE80211_DTIM_INVALID;
1769
1770 if(dtim & ((IEEE80211_DTIM_UCAST | IEEE80211_DTIM_MBCAST)& ieee->ps))
1771 return 2;
1772
1773 if(!time_after(jiffies, ieee->dev->trans_start + MSECS(timeout)))
1774 return 0;
1775
1776 if(!time_after(jiffies, ieee->last_rx_ps_time + MSECS(timeout)))
1777 return 0;
1778
1779 if((ieee->softmac_features & IEEE_SOFTMAC_SINGLE_QUEUE ) &&
1780 (ieee->mgmt_queue_tail != ieee->mgmt_queue_head))
1781 return 0;
1782
1783 if(time_l){
1784 *time_l = ieee->current_network.last_dtim_sta_time[0]
1785 + (ieee->current_network.beacon_interval
1786 * ieee->current_network.dtim_period) * 1000;
1787 }
1788
1789 if(time_h){
1790 *time_h = ieee->current_network.last_dtim_sta_time[1];
1791 if(time_l && *time_l < ieee->current_network.last_dtim_sta_time[0])
1792 *time_h += 1;
1793 }
1794
1795 return 1;
1796
1797
1798}
1799
1800inline void ieee80211_sta_ps(struct ieee80211_device *ieee)
1801{
1802
1803 u32 th,tl;
1804 short sleep;
1805
1806 unsigned long flags,flags2;
1807
1808 spin_lock_irqsave(&ieee->lock, flags);
1809
1810 if((ieee->ps == IEEE80211_PS_DISABLED ||
1811 ieee->iw_mode != IW_MODE_INFRA ||
1812 ieee->state != IEEE80211_LINKED)){
1813
1814 // #warning CHECK_LOCK_HERE
1815 spin_lock_irqsave(&ieee->mgmt_tx_lock, flags2);
1816
1817 ieee80211_sta_wakeup(ieee, 1);
1818
1819 spin_unlock_irqrestore(&ieee->mgmt_tx_lock, flags2);
1820 }
1821
1822 sleep = ieee80211_sta_ps_sleep(ieee,&th, &tl);
1823 /* 2 wake, 1 sleep, 0 do nothing */
1824 if(sleep == 0)
1825 goto out;
1826
1827 if(sleep == 1){
1828
1829 if(ieee->sta_sleep == 1)
1830 ieee->enter_sleep_state(ieee->dev,th,tl);
1831
1832 else if(ieee->sta_sleep == 0){
1833 // printk("send null 1\n");
1834 spin_lock_irqsave(&ieee->mgmt_tx_lock, flags2);
1835
1836 if(ieee->ps_is_queue_empty(ieee->dev)){
1837
1838
1839 ieee->sta_sleep = 2;
1840
1841 ieee->ps_request_tx_ack(ieee->dev);
1842
1843 ieee80211_sta_ps_send_null_frame(ieee,1);
1844
1845 ieee->ps_th = th;
1846 ieee->ps_tl = tl;
1847 }
1848 spin_unlock_irqrestore(&ieee->mgmt_tx_lock, flags2);
1849
1850 }
1851
1852
1853 }else if(sleep == 2){
1854//#warning CHECK_LOCK_HERE
1855 spin_lock_irqsave(&ieee->mgmt_tx_lock, flags2);
1856
1857 ieee80211_sta_wakeup(ieee,1);
1858
1859 spin_unlock_irqrestore(&ieee->mgmt_tx_lock, flags2);
1860 }
1861
1862out:
1863 spin_unlock_irqrestore(&ieee->lock, flags);
1864
1865}
1866
1867void ieee80211_sta_wakeup(struct ieee80211_device *ieee, short nl)
1868{
1869 if(ieee->sta_sleep == 0){
1870 if(nl){
1871 printk("Warning: driver is probably failing to report TX ps error\n");
1872 ieee->ps_request_tx_ack(ieee->dev);
1873 ieee80211_sta_ps_send_null_frame(ieee, 0);
1874 }
1875 return;
1876
1877 }
1878
1879 if(ieee->sta_sleep == 1)
1880 ieee->sta_wake_up(ieee->dev);
1881
1882 ieee->sta_sleep = 0;
1883
1884 if(nl){
1885 ieee->ps_request_tx_ack(ieee->dev);
1886 ieee80211_sta_ps_send_null_frame(ieee, 0);
1887 }
1888}
1889
1890void ieee80211_ps_tx_ack(struct ieee80211_device *ieee, short success)
1891{
1892 unsigned long flags,flags2;
1893
1894 spin_lock_irqsave(&ieee->lock, flags);
1895
1896 if(ieee->sta_sleep == 2){
1897 /* Null frame with PS bit set */
1898 if(success){
1899 ieee->sta_sleep = 1;
1900 ieee->enter_sleep_state(ieee->dev,ieee->ps_th,ieee->ps_tl);
1901 }
1902 /* if the card report not success we can't be sure the AP
1903 * has not RXed so we can't assume the AP believe us awake
1904 */
1905 }
1906 /* 21112005 - tx again null without PS bit if lost */
1907 else {
1908
1909 if((ieee->sta_sleep == 0) && !success){
1910 spin_lock_irqsave(&ieee->mgmt_tx_lock, flags2);
1911 ieee80211_sta_ps_send_null_frame(ieee, 0);
1912 spin_unlock_irqrestore(&ieee->mgmt_tx_lock, flags2);
1913 }
1914 }
1915 spin_unlock_irqrestore(&ieee->lock, flags);
1916}
1917void ieee80211_process_action(struct ieee80211_device* ieee, struct sk_buff* skb)
1918{
1919 struct ieee80211_hdr* header = (struct ieee80211_hdr*)skb->data;
1920 u8* act = ieee80211_get_payload(header);
1921 u8 tmp = 0;
1922// IEEE80211_DEBUG_DATA(IEEE80211_DL_DATA|IEEE80211_DL_BA, skb->data, skb->len);
1923 if (act == NULL)
1924 {
1925 IEEE80211_DEBUG(IEEE80211_DL_ERR, "error to get payload of action frame\n");
1926 return;
1927 }
1928 tmp = *act;
1929 act ++;
1930 switch (tmp)
1931 {
1932 case ACT_CAT_BA:
1933 if (*act == ACT_ADDBAREQ)
1934 ieee80211_rx_ADDBAReq(ieee, skb);
1935 else if (*act == ACT_ADDBARSP)
1936 ieee80211_rx_ADDBARsp(ieee, skb);
1937 else if (*act == ACT_DELBA)
1938 ieee80211_rx_DELBA(ieee, skb);
1939 break;
1940 default:
1941// if (net_ratelimit())
1942// IEEE80211_DEBUG(IEEE80211_DL_BA, "unknown action frame(%d)\n", tmp);
1943 break;
1944 }
1945 return;
1946
1947}
1948inline int
1949ieee80211_rx_frame_softmac(struct ieee80211_device *ieee, struct sk_buff *skb,
1950 struct ieee80211_rx_stats *rx_stats, u16 type,
1951 u16 stype)
1952{
1953 struct ieee80211_hdr_3addr *header = (struct ieee80211_hdr_3addr *) skb->data;
1954 u16 errcode;
1955 u8* challenge;
1956 int chlen=0;
1957 int aid;
1958 struct ieee80211_assoc_response_frame *assoc_resp;
1959// struct ieee80211_info_element *info_element;
1960 bool bSupportNmode = true, bHalfSupportNmode = false; //default support N mode, disable halfNmode
1961
1962 if(!ieee->proto_started)
1963 return 0;
1964
1965 if(ieee->sta_sleep || (ieee->ps != IEEE80211_PS_DISABLED &&
1966 ieee->iw_mode == IW_MODE_INFRA &&
1967 ieee->state == IEEE80211_LINKED))
1968
1969 tasklet_schedule(&ieee->ps_task);
1970
1971 if(WLAN_FC_GET_STYPE(header->frame_ctl) != IEEE80211_STYPE_PROBE_RESP &&
1972 WLAN_FC_GET_STYPE(header->frame_ctl) != IEEE80211_STYPE_BEACON)
1973 ieee->last_rx_ps_time = jiffies;
1974
1975 switch (WLAN_FC_GET_STYPE(header->frame_ctl)) {
1976
1977 case IEEE80211_STYPE_ASSOC_RESP:
1978 case IEEE80211_STYPE_REASSOC_RESP:
1979
1980 IEEE80211_DEBUG_MGMT("received [RE]ASSOCIATION RESPONSE (%d)\n",
1981 WLAN_FC_GET_STYPE(header->frame_ctl));
1982 if ((ieee->softmac_features & IEEE_SOFTMAC_ASSOCIATE) &&
1983 ieee->state == IEEE80211_ASSOCIATING_AUTHENTICATED &&
1984 ieee->iw_mode == IW_MODE_INFRA){
1985 struct ieee80211_network network_resp;
1986 struct ieee80211_network *network = &network_resp;
1987
1988 if (0 == (errcode=assoc_parse(ieee,skb, &aid))){
1989 ieee->state=IEEE80211_LINKED;
1990 ieee->assoc_id = aid;
1991 ieee->softmac_stats.rx_ass_ok++;
1992 /* station support qos */
1993 /* Let the register setting defaultly with Legacy station */
1994 if(ieee->qos_support) {
1995 assoc_resp = (struct ieee80211_assoc_response_frame*)skb->data;
1996 memset(network, 0, sizeof(*network));
1997 if (ieee80211_parse_info_param(ieee,assoc_resp->info_element,\
1998 rx_stats->len - sizeof(*assoc_resp),\
1999 network,rx_stats)){
2000 return 1;
2001 }
2002 else
2003 { //filling the PeerHTCap. //maybe not neccesary as we can get its info from current_network.
2004 memcpy(ieee->pHTInfo->PeerHTCapBuf, network->bssht.bdHTCapBuf, network->bssht.bdHTCapLen);
2005 memcpy(ieee->pHTInfo->PeerHTInfoBuf, network->bssht.bdHTInfoBuf, network->bssht.bdHTInfoLen);
2006 }
2007 if (ieee->handle_assoc_response != NULL)
2008 ieee->handle_assoc_response(ieee->dev, (struct ieee80211_assoc_response_frame*)header, network);
2009 }
2010 ieee80211_associate_complete(ieee);
2011 } else {
2012 /* aid could not been allocated */
2013 ieee->softmac_stats.rx_ass_err++;
2014 printk(
2015 "Association response status code 0x%x\n",
2016 errcode);
2017 IEEE80211_DEBUG_MGMT(
2018 "Association response status code 0x%x\n",
2019 errcode);
2020 if(ieee->AsocRetryCount < RT_ASOC_RETRY_LIMIT) {
8fc8598e 2021 queue_work(ieee->wq, &ieee->associate_procedure_wq);
8fc8598e
JC		 2022 } else {
2023 ieee80211_associate_abort(ieee);
2024 }
2025 }
2026 }
2027 break;
2028
2029 case IEEE80211_STYPE_ASSOC_REQ:
2030 case IEEE80211_STYPE_REASSOC_REQ:
2031
2032 if ((ieee->softmac_features & IEEE_SOFTMAC_ASSOCIATE) &&
2033 ieee->iw_mode == IW_MODE_MASTER)
2034
2035 ieee80211_rx_assoc_rq(ieee, skb);
2036 break;
2037
2038 case IEEE80211_STYPE_AUTH:
2039
2040 if (ieee->softmac_features & IEEE_SOFTMAC_ASSOCIATE){
2041 if (ieee->state == IEEE80211_ASSOCIATING_AUTHENTICATING &&
2042 ieee->iw_mode == IW_MODE_INFRA){
2043
2044 IEEE80211_DEBUG_MGMT("Received authentication response");
2045
2046 if (0 == (errcode=auth_parse(skb, &challenge, &chlen))){
2047 if(ieee->open_wep || !challenge){
2048 ieee->state = IEEE80211_ASSOCIATING_AUTHENTICATED;
2049 ieee->softmac_stats.rx_auth_rs_ok++;
2050 if(!(ieee->pHTInfo->IOTAction&HT_IOT_ACT_PURE_N_MODE))
2051 {
2052 if (!ieee->GetNmodeSupportBySecCfg(ieee->dev))
2053 {
2054 // WEP or TKIP encryption
2055 if(IsHTHalfNmodeAPs(ieee))
2056 {
2057 bSupportNmode = true;
2058 bHalfSupportNmode = true;
2059 }
2060 else
2061 {
2062 bSupportNmode = false;
2063 bHalfSupportNmode = false;
2064 }
2065 printk("==========>to link with AP using SEC(%d, %d)", bSupportNmode, bHalfSupportNmode);
2066 }
2067 }
2068 /* Dummy wirless mode setting to avoid encryption issue */
2069 if(bSupportNmode) {
2070 //N mode setting
2071 ieee->SetWirelessMode(ieee->dev, \
2072 ieee->current_network.mode);
2073 }else{
2074 //b/g mode setting
2075 /*TODO*/
2076 ieee->SetWirelessMode(ieee->dev, IEEE_G);
2077 }
2078
2079 if (ieee->current_network.mode == IEEE_N_24G && bHalfSupportNmode == true)
2080 {
2081 printk("===============>entern half N mode\n");
2082 ieee->bHalfWirelessN24GMode = true;
2083 }
2084 else
2085 ieee->bHalfWirelessN24GMode = false;
2086
2087 ieee80211_associate_step2(ieee);
2088 }else{
2089 ieee80211_auth_challenge(ieee, challenge, chlen);
2090 }
2091 }else{
2092 ieee->softmac_stats.rx_auth_rs_err++;
2093 IEEE80211_DEBUG_MGMT("Authentication respose status code 0x%x",errcode);
2094 ieee80211_associate_abort(ieee);
2095 }
2096
2097 }else if (ieee->iw_mode == IW_MODE_MASTER){
2098 ieee80211_rx_auth_rq(ieee, skb);
2099 }
2100 }
2101 break;
2102
2103 case IEEE80211_STYPE_PROBE_REQ:
2104
2105 if ((ieee->softmac_features & IEEE_SOFTMAC_PROBERS) &&
2106 ((ieee->iw_mode == IW_MODE_ADHOC ||
2107 ieee->iw_mode == IW_MODE_MASTER) &&
2108 ieee->state == IEEE80211_LINKED)){
2109 ieee80211_rx_probe_rq(ieee, skb);
2110 }
2111 break;
2112
2113 case IEEE80211_STYPE_DISASSOC:
2114 case IEEE80211_STYPE_DEAUTH:
2115 /* FIXME for now repeat all the association procedure
2116 * both for disassociation and deauthentication
2117 */
2118 if ((ieee->softmac_features & IEEE_SOFTMAC_ASSOCIATE) &&
2119 ieee->state == IEEE80211_LINKED &&
2120 ieee->iw_mode == IW_MODE_INFRA){
2121
2122 ieee->state = IEEE80211_ASSOCIATING;
2123 ieee->softmac_stats.reassoc++;
2124
2125 notify_wx_assoc_event(ieee);
2126 //HTSetConnectBwMode(ieee, HT_CHANNEL_WIDTH_20, HT_EXTCHNL_OFFSET_NO_EXT);
2127 RemovePeerTS(ieee, header->addr2);
8fc8598e 2128 queue_work(ieee->wq, &ieee->associate_procedure_wq);
8fc8598e
JC		 2129 }
2130 break;
2131 case IEEE80211_STYPE_MANAGE_ACT:
2132 ieee80211_process_action(ieee,skb);
2133 break;
2134 default:
2135 return -1;
2136 break;
2137 }
2138
2139 //dev_kfree_skb_any(skb);
2140 return 0;
2141}
2142
2143/* following are for a simplier TX queue management.
2144 * Instead of using netif_[stop/wake]_queue the driver
2145 * will uses these two function (plus a reset one), that
2146 * will internally uses the kernel netif_* and takes
2147 * care of the ieee802.11 fragmentation.
2148 * So the driver receives a fragment per time and might
2149 * call the stop function when it want without take care
2150 * to have enought room to TX an entire packet.
2151 * This might be useful if each fragment need it's own
2152 * descriptor, thus just keep a total free memory > than
2153 * the max fragmentation treshold is not enought.. If the
2154 * ieee802.11 stack passed a TXB struct then you needed
2155 * to keep N free descriptors where
2156 * N = MAX_PACKET_SIZE / MIN_FRAG_TRESHOLD
2157 * In this way you need just one and the 802.11 stack
2158 * will take care of buffering fragments and pass them to
2159 * to the driver later, when it wakes the queue.
2160 */
2161void ieee80211_softmac_xmit(struct ieee80211_txb *txb, struct ieee80211_device *ieee)
2162{
2163
2164 unsigned int queue_index = txb->queue_index;
2165 unsigned long flags;
2166 int i;
2167 cb_desc *tcb_desc = NULL;
2168
2169 spin_lock_irqsave(&ieee->lock,flags);
2170
2171 /* called with 2nd parm 0, no tx mgmt lock required */
2172 ieee80211_sta_wakeup(ieee,0);
2173
2174 /* update the tx status */
2175 ieee->stats.tx_bytes += txb->payload_size;
2176 ieee->stats.tx_packets++;
2177 tcb_desc = (cb_desc *)(txb->fragments[0]->cb + MAX_DEV_ADDR_SIZE);
2178 if(tcb_desc->bMulticast) {
2179 ieee->stats.multicast++;
2180 }
8fc8598e
JC		 2181 /* if xmit available, just xmit it immediately, else just insert it to the wait queue */
2182 for(i = 0; i < txb->nr_frags; i++) {
2183#ifdef USB_TX_DRIVER_AGGREGATION_ENABLE
2184 if ((skb_queue_len(&ieee->skb_drv_aggQ[queue_index]) != 0) ||
2185#else
2186 if ((skb_queue_len(&ieee->skb_waitQ[queue_index]) != 0) ||
2187#endif
2188 (!ieee->check_nic_enough_desc(ieee->dev,queue_index))||\
2189 (ieee->queue_stop)) {
2190 /* insert the skb packet to the wait queue */
2191 /* as for the completion function, it does not need
2192 * to check it any more.
2193 * */
2194 //printk("error:no descriptor left@queue_index %d\n", queue_index);
2195 //ieee80211_stop_queue(ieee);
2196#ifdef USB_TX_DRIVER_AGGREGATION_ENABLE
2197 skb_queue_tail(&ieee->skb_drv_aggQ[queue_index], txb->fragments[i]);
2198#else
2199 skb_queue_tail(&ieee->skb_waitQ[queue_index], txb->fragments[i]);
2200#endif
2201 }else{
2202 ieee->softmac_data_hard_start_xmit(
2203 txb->fragments[i],
2204 ieee->dev,ieee->rate);
2205 //ieee->stats.tx_packets++;
2206 //ieee->stats.tx_bytes += txb->fragments[i]->len;
2207 //ieee->dev->trans_start = jiffies;
2208 }
2209 }
8fc8598e
JC		 2210 ieee80211_txb_free(txb);
2211
2212//exit:
2213 spin_unlock_irqrestore(&ieee->lock,flags);
2214
2215}
2216
2217/* called with ieee->lock acquired */
2218void ieee80211_resume_tx(struct ieee80211_device *ieee)
2219{
2220 int i;
2221 for(i = ieee->tx_pending.frag; i < ieee->tx_pending.txb->nr_frags; i++) {
2222
2223 if (ieee->queue_stop){
2224 ieee->tx_pending.frag = i;
2225 return;
2226 }else{
2227
2228 ieee->softmac_data_hard_start_xmit(
2229 ieee->tx_pending.txb->fragments[i],
2230 ieee->dev,ieee->rate);
2231 //(i+1)<ieee->tx_pending.txb->nr_frags);
2232 ieee->stats.tx_packets++;
2233 ieee->dev->trans_start = jiffies;
2234 }
2235 }
2236
2237
2238 ieee80211_txb_free(ieee->tx_pending.txb);
2239 ieee->tx_pending.txb = NULL;
2240}
2241
2242
2243void ieee80211_reset_queue(struct ieee80211_device *ieee)
2244{
2245 unsigned long flags;
2246
2247 spin_lock_irqsave(&ieee->lock,flags);
2248 init_mgmt_queue(ieee);
2249 if (ieee->tx_pending.txb){
2250 ieee80211_txb_free(ieee->tx_pending.txb);
2251 ieee->tx_pending.txb = NULL;
2252 }
2253 ieee->queue_stop = 0;
2254 spin_unlock_irqrestore(&ieee->lock,flags);
2255
2256}
2257
2258void ieee80211_wake_queue(struct ieee80211_device *ieee)
2259{
2260
2261 unsigned long flags;
2262 struct sk_buff *skb;
2263 struct ieee80211_hdr_3addr *header;
2264
2265 spin_lock_irqsave(&ieee->lock,flags);
2266 if (! ieee->queue_stop) goto exit;
2267
2268 ieee->queue_stop = 0;
2269
2270 if(ieee->softmac_features & IEEE_SOFTMAC_SINGLE_QUEUE){
2271 while (!ieee->queue_stop && (skb = dequeue_mgmt(ieee))){
2272
2273 header = (struct ieee80211_hdr_3addr *) skb->data;
2274
2275 header->seq_ctl = cpu_to_le16(ieee->seq_ctrl[0] << 4);
2276
2277 if (ieee->seq_ctrl[0] == 0xFFF)
2278 ieee->seq_ctrl[0] = 0;
2279 else
2280 ieee->seq_ctrl[0]++;
2281
2282 ieee->softmac_data_hard_start_xmit(skb,ieee->dev,ieee->basic_rate);
2283 //dev_kfree_skb_any(skb);//edit by thomas
2284 }
2285 }
2286 if (!ieee->queue_stop && ieee->tx_pending.txb)
2287 ieee80211_resume_tx(ieee);
2288
2289 if (!ieee->queue_stop && netif_queue_stopped(ieee->dev)){
2290 ieee->softmac_stats.swtxawake++;
2291 netif_wake_queue(ieee->dev);
2292 }
2293
2294exit :
2295 spin_unlock_irqrestore(&ieee->lock,flags);
2296}
2297
2298
2299void ieee80211_stop_queue(struct ieee80211_device *ieee)
2300{
2301 //unsigned long flags;
2302 //spin_lock_irqsave(&ieee->lock,flags);
2303
2304 if (! netif_queue_stopped(ieee->dev)){
2305 netif_stop_queue(ieee->dev);
2306 ieee->softmac_stats.swtxstop++;
2307 }
2308 ieee->queue_stop = 1;
2309 //spin_unlock_irqrestore(&ieee->lock,flags);
2310
2311}
2312
2313
2314inline void ieee80211_randomize_cell(struct ieee80211_device *ieee)
2315{
2316
2317 get_random_bytes(ieee->current_network.bssid, ETH_ALEN);
2318
2319 /* an IBSS cell address must have the two less significant
2320 * bits of the first byte = 2
2321 */
2322 ieee->current_network.bssid[0] &= ~0x01;
2323 ieee->current_network.bssid[0] |= 0x02;
2324}
2325
2326/* called in user context only */
2327void ieee80211_start_master_bss(struct ieee80211_device *ieee)
2328{
2329 ieee->assoc_id = 1;
2330
2331 if (ieee->current_network.ssid_len == 0){
2332 strncpy(ieee->current_network.ssid,
2333 IEEE80211_DEFAULT_TX_ESSID,
2334 IW_ESSID_MAX_SIZE);
2335
2336 ieee->current_network.ssid_len = strlen(IEEE80211_DEFAULT_TX_ESSID);
2337 ieee->ssid_set = 1;
2338 }
2339
2340 memcpy(ieee->current_network.bssid, ieee->dev->dev_addr, ETH_ALEN);
2341
2342 ieee->set_chan(ieee->dev, ieee->current_network.channel);
2343 ieee->state = IEEE80211_LINKED;
2344 ieee->link_change(ieee->dev);
2345 notify_wx_assoc_event(ieee);
2346
2347 if (ieee->data_hard_resume)
2348 ieee->data_hard_resume(ieee->dev);
2349
2350 netif_carrier_on(ieee->dev);
2351}
2352
2353void ieee80211_start_monitor_mode(struct ieee80211_device *ieee)
2354{
2355 if(ieee->raw_tx){
2356
2357 if (ieee->data_hard_resume)
2358 ieee->data_hard_resume(ieee->dev);
2359
2360 netif_carrier_on(ieee->dev);
2361 }
2362}
8fc8598e
JC		 2363void ieee80211_start_ibss_wq(struct work_struct *work)
2364{
2365
e406322b
MCC		 2366 struct delayed_work *dwork = container_of(work, struct delayed_work, work);
2367 struct ieee80211_device *ieee = container_of(dwork, struct ieee80211_device, start_ibss_wq);
8fc8598e
JC		 2368 /* iwconfig mode ad-hoc will schedule this and return
2369 * on the other hand this will block further iwconfig SET
2370 * operations because of the wx_sem hold.
2371 * Anyway some most set operations set a flag to speed-up
2372 * (abort) this wq (when syncro scanning) before sleeping
2373 * on the semaphore
2374 */
2375 if(!ieee->proto_started){
2376 printk("==========oh driver down return\n");
2377 return;
2378 }
2379 down(&ieee->wx_sem);
2380
2381 if (ieee->current_network.ssid_len == 0){
2382 strcpy(ieee->current_network.ssid,IEEE80211_DEFAULT_TX_ESSID);
2383 ieee->current_network.ssid_len = strlen(IEEE80211_DEFAULT_TX_ESSID);
2384 ieee->ssid_set = 1;
2385 }
2386
2387 /* check if we have this cell in our network list */
2388 ieee80211_softmac_check_all_nets(ieee);
2389
2390
2391#ifdef ENABLE_DOT11D //if creating an ad-hoc, set its channel to 10 temporarily--this is the requirement for ASUS, not 11D, so disable 11d.
2392// if((IS_DOT11D_ENABLE(ieee)) && (ieee->state == IEEE80211_NOLINK))
2393 if (ieee->state == IEEE80211_NOLINK)
2394 ieee->current_network.channel = 6;
2395#endif
2396 /* if not then the state is not linked. Maybe the user swithced to
2397 * ad-hoc mode just after being in monitor mode, or just after
2398 * being very few time in managed mode (so the card have had no
2399 * time to scan all the chans..) or we have just run up the iface
2400 * after setting ad-hoc mode. So we have to give another try..
2401 * Here, in ibss mode, should be safe to do this without extra care
2402 * (in bss mode we had to make sure no-one tryed to associate when
2403 * we had just checked the ieee->state and we was going to start the
2404 * scan) beacause in ibss mode the ieee80211_new_net function, when
2405 * finds a good net, just set the ieee->state to IEEE80211_LINKED,
2406 * so, at worst, we waste a bit of time to initiate an unneeded syncro
2407 * scan, that will stop at the first round because it sees the state
2408 * associated.
2409 */
2410 if (ieee->state == IEEE80211_NOLINK)
2411 ieee80211_start_scan_syncro(ieee);
2412
2413 /* the network definitively is not here.. create a new cell */
2414 if (ieee->state == IEEE80211_NOLINK){
2415 printk("creating new IBSS cell\n");
2416 if(!ieee->wap_set)
2417 ieee80211_randomize_cell(ieee);
2418
2419 if(ieee->modulation & IEEE80211_CCK_MODULATION){
2420
2421 ieee->current_network.rates_len = 4;
2422
2423 ieee->current_network.rates[0] = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_1MB;
2424 ieee->current_network.rates[1] = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_2MB;
2425 ieee->current_network.rates[2] = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_5MB;
2426 ieee->current_network.rates[3] = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_11MB;
2427
2428 }else
2429 ieee->current_network.rates_len = 0;
2430
2431 if(ieee->modulation & IEEE80211_OFDM_MODULATION){
2432 ieee->current_network.rates_ex_len = 8;
2433
2434 ieee->current_network.rates_ex[0] = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_6MB;
2435 ieee->current_network.rates_ex[1] = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_9MB;
2436 ieee->current_network.rates_ex[2] = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_12MB;
2437 ieee->current_network.rates_ex[3] = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_18MB;
2438 ieee->current_network.rates_ex[4] = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_24MB;
2439 ieee->current_network.rates_ex[5] = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_36MB;
2440 ieee->current_network.rates_ex[6] = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_48MB;
2441 ieee->current_network.rates_ex[7] = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_54MB;
2442
2443 ieee->rate = 108;
2444 }else{
2445 ieee->current_network.rates_ex_len = 0;
2446 ieee->rate = 22;
2447 }
2448
2449 // By default, WMM function will be disabled in IBSS mode
2450 ieee->current_network.QoS_Enable = 0;
2451 ieee->SetWirelessMode(ieee->dev, IEEE_G);
2452 ieee->current_network.atim_window = 0;
2453 ieee->current_network.capability = WLAN_CAPABILITY_IBSS;
2454 if(ieee->short_slot)
2455 ieee->current_network.capability |= WLAN_CAPABILITY_SHORT_SLOT;
2456
2457 }
2458
2459 ieee->state = IEEE80211_LINKED;
2460
2461 ieee->set_chan(ieee->dev, ieee->current_network.channel);
2462 ieee->link_change(ieee->dev);
2463
2464 notify_wx_assoc_event(ieee);
2465
2466 ieee80211_start_send_beacons(ieee);
2467
2468 if (ieee->data_hard_resume)
2469 ieee->data_hard_resume(ieee->dev);
2470 netif_carrier_on(ieee->dev);
2471
2472 up(&ieee->wx_sem);
2473}
2474
2475inline void ieee80211_start_ibss(struct ieee80211_device *ieee)
2476{
8fc8598e 2477 queue_delayed_work(ieee->wq, &ieee->start_ibss_wq, 150);
8fc8598e
JC		 2478}
2479
2480/* this is called only in user context, with wx_sem held */
2481void ieee80211_start_bss(struct ieee80211_device *ieee)
2482{
2483 unsigned long flags;
2484#ifdef ENABLE_DOT11D
2485 //
2486 // Ref: 802.11d 11.1.3.3
2487 // STA shall not start a BSS unless properly formed Beacon frame including a Country IE.
2488 //
2489 if(IS_DOT11D_ENABLE(ieee) && !IS_COUNTRY_IE_VALID(ieee))
2490 {
2491 if(! ieee->bGlobalDomain)
2492 {
2493 return;
2494 }
2495 }
2496#endif
2497 /* check if we have already found the net we
2498 * are interested in (if any).
2499 * if not (we are disassociated and we are not
2500 * in associating / authenticating phase) start the background scanning.
2501 */
2502 ieee80211_softmac_check_all_nets(ieee);
2503
2504 /* ensure no-one start an associating process (thus setting
2505 * the ieee->state to ieee80211_ASSOCIATING) while we
2506 * have just cheked it and we are going to enable scan.
2507 * The ieee80211_new_net function is always called with
2508 * lock held (from both ieee80211_softmac_check_all_nets and
2509 * the rx path), so we cannot be in the middle of such function
2510 */
2511 spin_lock_irqsave(&ieee->lock, flags);
2512
2513 if (ieee->state == IEEE80211_NOLINK){
2514 ieee->actscanning = true;
2515 ieee80211_start_scan(ieee);
2516 }
2517 spin_unlock_irqrestore(&ieee->lock, flags);
2518}
2519
2520/* called only in userspace context */
2521void ieee80211_disassociate(struct ieee80211_device *ieee)
2522{
2523
2524
2525 netif_carrier_off(ieee->dev);
2526 if (ieee->softmac_features & IEEE_SOFTMAC_TX_QUEUE)
2527 ieee80211_reset_queue(ieee);
2528
2529 if (ieee->data_hard_stop)
2530 ieee->data_hard_stop(ieee->dev);
2531#ifdef ENABLE_DOT11D
2532 if(IS_DOT11D_ENABLE(ieee))
2533 Dot11d_Reset(ieee);
2534#endif
2535 ieee->state = IEEE80211_NOLINK;
2536 ieee->is_set_key = false;
2537 ieee->link_change(ieee->dev);
2538 //HTSetConnectBwMode(ieee, HT_CHANNEL_WIDTH_20, HT_EXTCHNL_OFFSET_NO_EXT);
2539 notify_wx_assoc_event(ieee);
2540
2541}
8fc8598e
JC		 2542void ieee80211_associate_retry_wq(struct work_struct *work)
2543{
2544 struct delayed_work *dwork = container_of(work, struct delayed_work, work);
2545 struct ieee80211_device *ieee = container_of(dwork, struct ieee80211_device, associate_retry_wq);
8fc8598e
JC		 2546 unsigned long flags;
2547
2548 down(&ieee->wx_sem);
2549 if(!ieee->proto_started)
2550 goto exit;
2551
2552 if(ieee->state != IEEE80211_ASSOCIATING_RETRY)
2553 goto exit;
2554
2555 /* until we do not set the state to IEEE80211_NOLINK
2556 * there are no possibility to have someone else trying
2557 * to start an association procdure (we get here with
2558 * ieee->state = IEEE80211_ASSOCIATING).
2559 * When we set the state to IEEE80211_NOLINK it is possible
2560 * that the RX path run an attempt to associate, but
2561 * both ieee80211_softmac_check_all_nets and the
2562 * RX path works with ieee->lock held so there are no
2563 * problems. If we are still disassociated then start a scan.
2564 * the lock here is necessary to ensure no one try to start
2565 * an association procedure when we have just checked the
2566 * state and we are going to start the scan.
2567 */
2568 ieee->state = IEEE80211_NOLINK;
2569
2570 ieee80211_softmac_check_all_nets(ieee);
2571
2572 spin_lock_irqsave(&ieee->lock, flags);
2573
2574 if(ieee->state == IEEE80211_NOLINK)
2575 ieee80211_start_scan(ieee);
2576
2577 spin_unlock_irqrestore(&ieee->lock, flags);
2578
2579exit:
2580 up(&ieee->wx_sem);
2581}
2582
2583struct sk_buff *ieee80211_get_beacon_(struct ieee80211_device *ieee)
2584{
2585 u8 broadcast_addr[] = {0xff,0xff,0xff,0xff,0xff,0xff};
2586
2587 struct sk_buff *skb;
2588 struct ieee80211_probe_response *b;
2589
2590 skb = ieee80211_probe_resp(ieee, broadcast_addr);
2591
2592 if (!skb)
2593 return NULL;
2594
2595 b = (struct ieee80211_probe_response *) skb->data;
2596 b->header.frame_ctl = cpu_to_le16(IEEE80211_STYPE_BEACON);
2597
2598 return skb;
2599
2600}
2601
2602struct sk_buff *ieee80211_get_beacon(struct ieee80211_device *ieee)
2603{
2604 struct sk_buff *skb;
2605 struct ieee80211_probe_response *b;
2606
2607 skb = ieee80211_get_beacon_(ieee);
2608 if(!skb)
2609 return NULL;
2610
2611 b = (struct ieee80211_probe_response *) skb->data;
2612 b->header.seq_ctl = cpu_to_le16(ieee->seq_ctrl[0] << 4);
2613
2614 if (ieee->seq_ctrl[0] == 0xFFF)
2615 ieee->seq_ctrl[0] = 0;
2616 else
2617 ieee->seq_ctrl[0]++;
2618
2619 return skb;
2620}
2621
2622void ieee80211_softmac_stop_protocol(struct ieee80211_device *ieee)
2623{
2624 ieee->sync_scan_hurryup = 1;
2625 down(&ieee->wx_sem);
2626 ieee80211_stop_protocol(ieee);
2627 up(&ieee->wx_sem);
2628}
2629
2630
2631void ieee80211_stop_protocol(struct ieee80211_device *ieee)
2632{
2633 if (!ieee->proto_started)
2634 return;
2635
2636 ieee->proto_started = 0;
2637
2638 ieee80211_stop_send_beacons(ieee);
2639 del_timer_sync(&ieee->associate_timer);
8fc8598e
JC		 2640 cancel_delayed_work(&ieee->associate_retry_wq);
2641 cancel_delayed_work(&ieee->start_ibss_wq);
8fc8598e
JC		 2642 ieee80211_stop_scan(ieee);
2643
2644 ieee80211_disassociate(ieee);
2645 RemoveAllTS(ieee); //added as we disconnect from the previous BSS, Remove all TS
2646}
2647
2648void ieee80211_softmac_start_protocol(struct ieee80211_device *ieee)
2649{
2650 ieee->sync_scan_hurryup = 0;
2651 down(&ieee->wx_sem);
2652 ieee80211_start_protocol(ieee);
2653 up(&ieee->wx_sem);
2654}
2655
2656void ieee80211_start_protocol(struct ieee80211_device *ieee)
2657{
2658 short ch = 0;
e406322b 2659 int i = 0;
8fc8598e
JC		 2660 if (ieee->proto_started)
2661 return;
2662
2663 ieee->proto_started = 1;
2664
2665 if (ieee->current_network.channel == 0){
2666 do{
2667 ch++;
2668 if (ch > MAX_CHANNEL_NUMBER)
2669 return; /* no channel found */
2670#ifdef ENABLE_DOT11D
2671 }while(!GET_DOT11D_INFO(ieee)->channel_map[ch]);
2672#else
2673 }while(!ieee->channel_map[ch]);
2674#endif
2675 ieee->current_network.channel = ch;
2676 }
2677
2678 if (ieee->current_network.beacon_interval == 0)
2679 ieee->current_network.beacon_interval = 100;
2680// printk("===>%s(), chan:%d\n", __FUNCTION__, ieee->current_network.channel);
2681// ieee->set_chan(ieee->dev,ieee->current_network.channel);
2682
e406322b 2683 for(i = 0; i < 17; i++) {
8fc8598e
JC		 2684 ieee->last_rxseq_num[i] = -1;
2685 ieee->last_rxfrag_num[i] = -1;
2686 ieee->last_packet_time[i] = 0;
2687 }
2688
2689 ieee->init_wmmparam_flag = 0;//reinitialize AC_xx_PARAM registers.
2690
2691
2692 /* if the user set the MAC of the ad-hoc cell and then
2693 * switch to managed mode, shall we make sure that association
2694 * attempts does not fail just because the user provide the essid
2695 * and the nic is still checking for the AP MAC ??
2696 */
2697 if (ieee->iw_mode == IW_MODE_INFRA)
2698 ieee80211_start_bss(ieee);
2699
2700 else if (ieee->iw_mode == IW_MODE_ADHOC)
2701 ieee80211_start_ibss(ieee);
2702
2703 else if (ieee->iw_mode == IW_MODE_MASTER)
2704 ieee80211_start_master_bss(ieee);
2705
2706 else if(ieee->iw_mode == IW_MODE_MONITOR)
2707 ieee80211_start_monitor_mode(ieee);
2708}
2709
2710
2711#define DRV_NAME "Ieee80211"
2712void ieee80211_softmac_init(struct ieee80211_device *ieee)
2713{
2714 int i;
2715 memset(&ieee->current_network, 0, sizeof(struct ieee80211_network));
2716
2717 ieee->state = IEEE80211_NOLINK;
2718 ieee->sync_scan_hurryup = 0;
2719 for(i = 0; i < 5; i++) {
2720 ieee->seq_ctrl[i] = 0;
2721 }
2722#ifdef ENABLE_DOT11D
2723 ieee->pDot11dInfo = kmalloc(sizeof(RT_DOT11D_INFO), GFP_ATOMIC);
2724 if (!ieee->pDot11dInfo)
2725 IEEE80211_DEBUG(IEEE80211_DL_ERR, "can't alloc memory for DOT11D\n");
2726 memset(ieee->pDot11dInfo, 0, sizeof(RT_DOT11D_INFO));
2727#endif
2728 //added for AP roaming
2729 ieee->LinkDetectInfo.SlotNum = 2;
2730 ieee->LinkDetectInfo.NumRecvBcnInPeriod=0;
e406322b 2731 ieee->LinkDetectInfo.NumRecvDataInPeriod=0;
8fc8598e
JC		 2732
2733 ieee->assoc_id = 0;
2734 ieee->queue_stop = 0;
2735 ieee->scanning = 0;
2736 ieee->softmac_features = 0; //so IEEE2100-like driver are happy
2737 ieee->wap_set = 0;
2738 ieee->ssid_set = 0;
2739 ieee->proto_started = 0;
2740 ieee->basic_rate = IEEE80211_DEFAULT_BASIC_RATE;
2741 ieee->rate = 22;
2742 ieee->ps = IEEE80211_PS_DISABLED;
2743 ieee->sta_sleep = 0;
2744 ieee->Regdot11HTOperationalRateSet[0]= 0xff;//support MCS 0~7
2745 ieee->Regdot11HTOperationalRateSet[1]= 0xff;//support MCS 8~15
2746 ieee->Regdot11HTOperationalRateSet[4]= 0x01;
2747 //added by amy
2748 ieee->actscanning = false;
2749 ieee->beinretry = false;
2750 ieee->is_set_key = false;
2751 init_mgmt_queue(ieee);
2752
2753 ieee->sta_edca_param[0] = 0x0000A403;
2754 ieee->sta_edca_param[1] = 0x0000A427;
2755 ieee->sta_edca_param[2] = 0x005E4342;
2756 ieee->sta_edca_param[3] = 0x002F3262;
2757 ieee->aggregation = true;
2758 ieee->enable_rx_imm_BA = 1;
8fc8598e
JC		 2759 ieee->tx_pending.txb = NULL;
2760
2761 init_timer(&ieee->associate_timer);
2762 ieee->associate_timer.data = (unsigned long)ieee;
2763 ieee->associate_timer.function = ieee80211_associate_abort_cb;
2764
2765 init_timer(&ieee->beacon_timer);
2766 ieee->beacon_timer.data = (unsigned long) ieee;
2767 ieee->beacon_timer.function = ieee80211_send_beacon_cb;
2768
8fc8598e
JC		 2769#ifdef PF_SYNCTHREAD
2770 ieee->wq = create_workqueue(DRV_NAME,0);
2771#else
2772 ieee->wq = create_workqueue(DRV_NAME);
2773#endif
8fc8598e 2774
e406322b
MCC		 2775 INIT_DELAYED_WORK(&ieee->start_ibss_wq,ieee80211_start_ibss_wq);
2776 INIT_WORK(&ieee->associate_complete_wq, ieee80211_associate_complete_wq);
2777 INIT_WORK(&ieee->associate_procedure_wq, ieee80211_associate_procedure_wq);
2778 INIT_DELAYED_WORK(&ieee->softmac_scan_wq,ieee80211_softmac_scan_wq);
2779 INIT_DELAYED_WORK(&ieee->associate_retry_wq, ieee80211_associate_retry_wq);
2780 INIT_WORK(&ieee->wx_sync_scan_wq,ieee80211_wx_sync_scan_wq);
8fc8598e 2781
8fc8598e 2782
8fc8598e
JC		 2783 sema_init(&ieee->wx_sem, 1);
2784 sema_init(&ieee->scan_sem, 1);
2785
2786 spin_lock_init(&ieee->mgmt_tx_lock);
2787 spin_lock_init(&ieee->beacon_lock);
2788
2789 tasklet_init(&ieee->ps_task,
2790 (void(*)(unsigned long)) ieee80211_sta_ps,
2791 (unsigned long)ieee);
2792
2793}
2794
2795void ieee80211_softmac_free(struct ieee80211_device *ieee)
2796{
2797 down(&ieee->wx_sem);
2798#ifdef ENABLE_DOT11D
2799 if(NULL != ieee->pDot11dInfo)
2800 {
2801 kfree(ieee->pDot11dInfo);
2802 ieee->pDot11dInfo = NULL;
2803 }
2804#endif
2805 del_timer_sync(&ieee->associate_timer);
2806
8fc8598e
JC		 2807 cancel_delayed_work(&ieee->associate_retry_wq);
2808 destroy_workqueue(ieee->wq);
8fc8598e
JC		 2809
2810 up(&ieee->wx_sem);
2811}
2812
2813/********************************************************
2814 * Start of WPA code. *
2815 * this is stolen from the ipw2200 driver *
2816 ********************************************************/
2817
2818
2819static int ieee80211_wpa_enable(struct ieee80211_device *ieee, int value)
2820{
2821 /* This is called when wpa_supplicant loads and closes the driver
2822 * interface. */
2823 printk("%s WPA\n",value ? "enabling" : "disabling");
2824 ieee->wpa_enabled = value;
2825 return 0;
2826}
2827
2828
2829void ieee80211_wpa_assoc_frame(struct ieee80211_device *ieee, char *wpa_ie, int wpa_ie_len)
2830{
2831 /* make sure WPA is enabled */
2832 ieee80211_wpa_enable(ieee, 1);
2833
2834 ieee80211_disassociate(ieee);
2835}
2836
2837
2838static int ieee80211_wpa_mlme(struct ieee80211_device *ieee, int command, int reason)
2839{
2840
2841 int ret = 0;
2842
2843 switch (command) {
2844 case IEEE_MLME_STA_DEAUTH:
2845 // silently ignore
2846 break;
2847
2848 case IEEE_MLME_STA_DISASSOC:
2849 ieee80211_disassociate(ieee);
2850 break;
2851
2852 default:
2853 printk("Unknown MLME request: %d\n", command);
2854 ret = -EOPNOTSUPP;
2855 }
2856
2857 return ret;
2858}
2859
2860
2861static int ieee80211_wpa_set_wpa_ie(struct ieee80211_device *ieee,
2862 struct ieee_param *param, int plen)
2863{
2864 u8 *buf;
2865
2866 if (param->u.wpa_ie.len > MAX_WPA_IE_LEN ||
2867 (param->u.wpa_ie.len && param->u.wpa_ie.data == NULL))
2868 return -EINVAL;
2869
2870 if (param->u.wpa_ie.len) {
2871 buf = kmalloc(param->u.wpa_ie.len, GFP_KERNEL);
2872 if (buf == NULL)
2873 return -ENOMEM;
2874
2875 memcpy(buf, param->u.wpa_ie.data, param->u.wpa_ie.len);
2876 kfree(ieee->wpa_ie);
2877 ieee->wpa_ie = buf;
2878 ieee->wpa_ie_len = param->u.wpa_ie.len;
2879 } else {
2880 kfree(ieee->wpa_ie);
2881 ieee->wpa_ie = NULL;
2882 ieee->wpa_ie_len = 0;
2883 }
2884
2885 ieee80211_wpa_assoc_frame(ieee, ieee->wpa_ie, ieee->wpa_ie_len);
2886 return 0;
2887}
2888
2889#define AUTH_ALG_OPEN_SYSTEM 0x1
2890#define AUTH_ALG_SHARED_KEY 0x2
2891
2892static int ieee80211_wpa_set_auth_algs(struct ieee80211_device *ieee, int value)
2893{
2894
2895 struct ieee80211_security sec = {
2896 .flags = SEC_AUTH_MODE,
2897 };
2898 int ret = 0;
2899
2900 if (value & AUTH_ALG_SHARED_KEY) {
2901 sec.auth_mode = WLAN_AUTH_SHARED_KEY;
2902 ieee->open_wep = 0;
2903 ieee->auth_mode = 1;
2904 } else if (value & AUTH_ALG_OPEN_SYSTEM){
2905 sec.auth_mode = WLAN_AUTH_OPEN;
2906 ieee->open_wep = 1;
2907 ieee->auth_mode = 0;
2908 }
2909 else if (value & IW_AUTH_ALG_LEAP){
2910 sec.auth_mode = WLAN_AUTH_LEAP;
2911 ieee->open_wep = 1;
2912 ieee->auth_mode = 2;
2913 }
2914
2915
2916 if (ieee->set_security)
2917 ieee->set_security(ieee->dev, &sec);
2918 //else
2919 // ret = -EOPNOTSUPP;
2920
2921 return ret;
2922}
2923
2924static int ieee80211_wpa_set_param(struct ieee80211_device *ieee, u8 name, u32 value)
2925{
2926 int ret=0;
2927 unsigned long flags;
2928
2929 switch (name) {
2930 case IEEE_PARAM_WPA_ENABLED:
2931 ret = ieee80211_wpa_enable(ieee, value);
2932 break;
2933
2934 case IEEE_PARAM_TKIP_COUNTERMEASURES:
2935 ieee->tkip_countermeasures=value;
2936 break;
2937
2938 case IEEE_PARAM_DROP_UNENCRYPTED: {
2939 /* HACK:
2940 *
2941 * wpa_supplicant calls set_wpa_enabled when the driver
2942 * is loaded and unloaded, regardless of if WPA is being
2943 * used. No other calls are made which can be used to
2944 * determine if encryption will be used or not prior to
2945 * association being expected. If encryption is not being
2946 * used, drop_unencrypted is set to false, else true -- we
2947 * can use this to determine if the CAP_PRIVACY_ON bit should
2948 * be set.
2949 */
2950 struct ieee80211_security sec = {
2951 .flags = SEC_ENABLED,
2952 .enabled = value,
2953 };
e406322b 2954 ieee->drop_unencrypted = value;
8fc8598e
JC		 2955 /* We only change SEC_LEVEL for open mode. Others
2956 * are set by ipw_wpa_set_encryption.
2957 */
2958 if (!value) {
2959 sec.flags |= SEC_LEVEL;
2960 sec.level = SEC_LEVEL_0;
2961 }
2962 else {
2963 sec.flags |= SEC_LEVEL;
2964 sec.level = SEC_LEVEL_1;
2965 }
2966 if (ieee->set_security)
2967 ieee->set_security(ieee->dev, &sec);
2968 break;
2969 }
2970
2971 case IEEE_PARAM_PRIVACY_INVOKED:
2972 ieee->privacy_invoked=value;
2973 break;
2974
2975 case IEEE_PARAM_AUTH_ALGS:
2976 ret = ieee80211_wpa_set_auth_algs(ieee, value);
2977 break;
2978
2979 case IEEE_PARAM_IEEE_802_1X:
2980 ieee->ieee802_1x=value;
2981 break;
2982 case IEEE_PARAM_WPAX_SELECT:
2983 // added for WPA2 mixed mode
2984 spin_lock_irqsave(&ieee->wpax_suitlist_lock,flags);
2985 ieee->wpax_type_set = 1;
2986 ieee->wpax_type_notify = value;
2987 spin_unlock_irqrestore(&ieee->wpax_suitlist_lock,flags);
2988 break;
2989
2990 default:
2991 printk("Unknown WPA param: %d\n",name);
2992 ret = -EOPNOTSUPP;
2993 }
2994
2995 return ret;
2996}
2997
2998/* implementation borrowed from hostap driver */
2999
3000static int ieee80211_wpa_set_encryption(struct ieee80211_device *ieee,
3001 struct ieee_param *param, int param_len)
3002{
3003 int ret = 0;
3004
3005 struct ieee80211_crypto_ops *ops;
3006 struct ieee80211_crypt_data **crypt;
3007
3008 struct ieee80211_security sec = {
3009 .flags = 0,
3010 };
3011
3012 param->u.crypt.err = 0;
3013 param->u.crypt.alg[IEEE_CRYPT_ALG_NAME_LEN - 1] = '\0';
3014
3015 if (param_len !=
3016 (int) ((char *) param->u.crypt.key - (char *) param) +
3017 param->u.crypt.key_len) {
3018 printk("Len mismatch %d, %d\n", param_len,
3019 param->u.crypt.key_len);
3020 return -EINVAL;
3021 }
3022 if (param->sta_addr[0] == 0xff && param->sta_addr[1] == 0xff &&
3023 param->sta_addr[2] == 0xff && param->sta_addr[3] == 0xff &&
3024 param->sta_addr[4] == 0xff && param->sta_addr[5] == 0xff) {
3025 if (param->u.crypt.idx >= WEP_KEYS)
3026 return -EINVAL;
3027 crypt = &ieee->crypt[param->u.crypt.idx];
3028 } else {
3029 return -EINVAL;
3030 }
3031
3032 if (strcmp(param->u.crypt.alg, "none") == 0) {
3033 if (crypt) {
3034 sec.enabled = 0;
3035 // FIXME FIXME
3036 //sec.encrypt = 0;
3037 sec.level = SEC_LEVEL_0;
3038 sec.flags |= SEC_ENABLED | SEC_LEVEL;
3039 ieee80211_crypt_delayed_deinit(ieee, crypt);
3040 }
3041 goto done;
3042 }
3043 sec.enabled = 1;
3044// FIXME FIXME
3045// sec.encrypt = 1;
3046 sec.flags |= SEC_ENABLED;
3047
3048 /* IPW HW cannot build TKIP MIC, host decryption still needed. */
3049 if (!(ieee->host_encrypt || ieee->host_decrypt) &&
3050 strcmp(param->u.crypt.alg, "TKIP"))
3051 goto skip_host_crypt;
3052
3053 ops = ieee80211_get_crypto_ops(param->u.crypt.alg);
3054 if (ops == NULL && strcmp(param->u.crypt.alg, "WEP") == 0) {
3055 request_module("ieee80211_crypt_wep");
3056 ops = ieee80211_get_crypto_ops(param->u.crypt.alg);
3057 //set WEP40 first, it will be modified according to WEP104 or WEP40 at other place
3058 } else if (ops == NULL && strcmp(param->u.crypt.alg, "TKIP") == 0) {
3059 request_module("ieee80211_crypt_tkip");
3060 ops = ieee80211_get_crypto_ops(param->u.crypt.alg);
3061 } else if (ops == NULL && strcmp(param->u.crypt.alg, "CCMP") == 0) {
3062 request_module("ieee80211_crypt_ccmp");
3063 ops = ieee80211_get_crypto_ops(param->u.crypt.alg);
3064 }
3065 if (ops == NULL) {
3066 printk("unknown crypto alg '%s'\n", param->u.crypt.alg);
3067 param->u.crypt.err = IEEE_CRYPT_ERR_UNKNOWN_ALG;
3068 ret = -EINVAL;
3069 goto done;
3070 }
3071
3072 if (*crypt == NULL || (*crypt)->ops != ops) {
3073 struct ieee80211_crypt_data *new_crypt;
3074
3075 ieee80211_crypt_delayed_deinit(ieee, crypt);
3076
3077 new_crypt = (struct ieee80211_crypt_data *)
3078 kmalloc(sizeof(*new_crypt), GFP_KERNEL);
3079 if (new_crypt == NULL) {
3080 ret = -ENOMEM;
3081 goto done;
3082 }
3083 memset(new_crypt, 0, sizeof(struct ieee80211_crypt_data));
3084 new_crypt->ops = ops;
8fc8598e 3085 if (new_crypt->ops && try_module_get(new_crypt->ops->owner))
8fc8598e
JC		 3086 new_crypt->priv =
3087 new_crypt->ops->init(param->u.crypt.idx);
3088
3089 if (new_crypt->priv == NULL) {
3090 kfree(new_crypt);
3091 param->u.crypt.err = IEEE_CRYPT_ERR_CRYPT_INIT_FAILED;
3092 ret = -EINVAL;
3093 goto done;
3094 }
3095
3096 *crypt = new_crypt;
3097 }
3098
3099 if (param->u.crypt.key_len > 0 && (*crypt)->ops->set_key &&
3100 (*crypt)->ops->set_key(param->u.crypt.key,
3101 param->u.crypt.key_len, param->u.crypt.seq,
3102 (*crypt)->priv) < 0) {
3103 printk("key setting failed\n");
3104 param->u.crypt.err = IEEE_CRYPT_ERR_KEY_SET_FAILED;
3105 ret = -EINVAL;
3106 goto done;
3107 }
3108
3109 skip_host_crypt:
3110 if (param->u.crypt.set_tx) {
3111 ieee->tx_keyidx = param->u.crypt.idx;
3112 sec.active_key = param->u.crypt.idx;
3113 sec.flags |= SEC_ACTIVE_KEY;
3114 } else
3115 sec.flags &= ~SEC_ACTIVE_KEY;
3116
3117 if (param->u.crypt.alg != NULL) {
3118 memcpy(sec.keys[param->u.crypt.idx],
3119 param->u.crypt.key,
3120 param->u.crypt.key_len);
3121 sec.key_sizes[param->u.crypt.idx] = param->u.crypt.key_len;
3122 sec.flags |= (1 << param->u.crypt.idx);
3123
3124 if (strcmp(param->u.crypt.alg, "WEP") == 0) {
3125 sec.flags |= SEC_LEVEL;
3126 sec.level = SEC_LEVEL_1;
3127 } else if (strcmp(param->u.crypt.alg, "TKIP") == 0) {
3128 sec.flags |= SEC_LEVEL;
3129 sec.level = SEC_LEVEL_2;
3130 } else if (strcmp(param->u.crypt.alg, "CCMP") == 0) {
3131 sec.flags |= SEC_LEVEL;
3132 sec.level = SEC_LEVEL_3;
3133 }
3134 }
3135 done:
3136 if (ieee->set_security)
3137 ieee->set_security(ieee->dev, &sec);
3138
3139 /* Do not reset port if card is in Managed mode since resetting will
3140 * generate new IEEE 802.11 authentication which may end up in looping
3141 * with IEEE 802.1X. If your hardware requires a reset after WEP
3142 * configuration (for example... Prism2), implement the reset_port in
3143 * the callbacks structures used to initialize the 802.11 stack. */
3144 if (ieee->reset_on_keychange &&
3145 ieee->iw_mode != IW_MODE_INFRA &&
3146 ieee->reset_port &&
3147 ieee->reset_port(ieee->dev)) {
3148 printk("reset_port failed\n");
3149 param->u.crypt.err = IEEE_CRYPT_ERR_CARD_CONF_FAILED;
3150 return -EINVAL;
3151 }
3152
3153 return ret;
3154}
3155
3156inline struct sk_buff *ieee80211_disassociate_skb(
3157 struct ieee80211_network *beacon,
3158 struct ieee80211_device *ieee,
3159 u8 asRsn)
3160{
3161 struct sk_buff *skb;
3162 struct ieee80211_disassoc *disass;
3163
3164 skb = dev_alloc_skb(sizeof(struct ieee80211_disassoc));
3165 if (!skb)
3166 return NULL;
3167
3168 disass = (struct ieee80211_disassoc *) skb_put(skb,sizeof(struct ieee80211_disassoc));
3169 disass->header.frame_ctl = cpu_to_le16(IEEE80211_STYPE_DISASSOC);
3170 disass->header.duration_id = 0;
3171
3172 memcpy(disass->header.addr1, beacon->bssid, ETH_ALEN);
3173 memcpy(disass->header.addr2, ieee->dev->dev_addr, ETH_ALEN);
3174 memcpy(disass->header.addr3, beacon->bssid, ETH_ALEN);
3175
3176 disass->reason = asRsn;
3177 return skb;
3178}
3179
3180
3181void
3182SendDisassociation(
3183 struct ieee80211_device *ieee,
3184 u8* asSta,
3185 u8 asRsn
3186)
3187{
3188 struct ieee80211_network *beacon = &ieee->current_network;
3189 struct sk_buff *skb;
3190 skb = ieee80211_disassociate_skb(beacon,ieee,asRsn);
3191 if (skb){
3192 softmac_mgmt_xmit(skb, ieee);
3193 //dev_kfree_skb_any(skb);//edit by thomas
3194 }
3195}
3196
3197int ieee80211_wpa_supplicant_ioctl(struct ieee80211_device *ieee, struct iw_point *p)
3198{
3199 struct ieee_param *param;
3200 int ret=0;
3201
3202 down(&ieee->wx_sem);
3203 //IEEE_DEBUG_INFO("wpa_supplicant: len=%d\n", p->length);
3204
3205 if (p->length < sizeof(struct ieee_param) || !p->pointer){
3206 ret = -EINVAL;
3207 goto out;
3208 }
3209
3210 param = (struct ieee_param *)kmalloc(p->length, GFP_KERNEL);
3211 if (param == NULL){
3212 ret = -ENOMEM;
3213 goto out;
3214 }
3215 if (copy_from_user(param, p->pointer, p->length)) {
3216 kfree(param);
3217 ret = -EFAULT;
3218 goto out;
3219 }
3220
3221 switch (param->cmd) {
3222
3223 case IEEE_CMD_SET_WPA_PARAM:
3224 ret = ieee80211_wpa_set_param(ieee, param->u.wpa_param.name,
3225 param->u.wpa_param.value);
3226 break;
3227
3228 case IEEE_CMD_SET_WPA_IE:
3229 ret = ieee80211_wpa_set_wpa_ie(ieee, param, p->length);
3230 break;
3231
3232 case IEEE_CMD_SET_ENCRYPTION:
3233 ret = ieee80211_wpa_set_encryption(ieee, param, p->length);
3234 break;
3235
3236 case IEEE_CMD_MLME:
3237 ret = ieee80211_wpa_mlme(ieee, param->u.mlme.command,
3238 param->u.mlme.reason_code);
3239 break;
3240
3241 default:
3242 printk("Unknown WPA supplicant request: %d\n",param->cmd);
3243 ret = -EOPNOTSUPP;
3244 break;
3245 }
3246
3247 if (ret == 0 && copy_to_user(p->pointer, param, p->length))
3248 ret = -EFAULT;
3249
3250 kfree(param);
3251out:
3252 up(&ieee->wx_sem);
3253
3254 return ret;
3255}
3256
3257void notify_wx_assoc_event(struct ieee80211_device *ieee)
3258{
3259 union iwreq_data wrqu;
3260 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3261 if (ieee->state == IEEE80211_LINKED)
3262 memcpy(wrqu.ap_addr.sa_data, ieee->current_network.bssid, ETH_ALEN);
3263 else
3264 memset(wrqu.ap_addr.sa_data, 0, ETH_ALEN);
3265 wireless_send_event(ieee->dev, SIOCGIWAP, &wrqu, NULL);
3266}
3267
8fc8598e
JC		 3268EXPORT_SYMBOL(ieee80211_get_beacon);
3269EXPORT_SYMBOL(ieee80211_wake_queue);
3270EXPORT_SYMBOL(ieee80211_stop_queue);
3271EXPORT_SYMBOL(ieee80211_reset_queue);
3272EXPORT_SYMBOL(ieee80211_softmac_stop_protocol);
3273EXPORT_SYMBOL(ieee80211_softmac_start_protocol);
3274EXPORT_SYMBOL(ieee80211_is_shortslot);
3275EXPORT_SYMBOL(ieee80211_is_54g);
3276EXPORT_SYMBOL(ieee80211_wpa_supplicant_ioctl);
3277EXPORT_SYMBOL(ieee80211_ps_tx_ack);
3278EXPORT_SYMBOL(ieee80211_softmac_xmit);
3279EXPORT_SYMBOL(ieee80211_stop_send_beacons);
3280EXPORT_SYMBOL(notify_wx_assoc_event);
3281EXPORT_SYMBOL(SendDisassociation);
3282EXPORT_SYMBOL(ieee80211_disassociate);
3283EXPORT_SYMBOL(ieee80211_start_send_beacons);
3284EXPORT_SYMBOL(ieee80211_stop_scan);
3285EXPORT_SYMBOL(ieee80211_send_probe_requests);
3286EXPORT_SYMBOL(ieee80211_softmac_scan_syncro);
3287EXPORT_SYMBOL(ieee80211_start_scan_syncro);
8fc8598e 3288//EXPORT_SYMBOL(ieee80211_sta_ps_send_null_frame);
kernel source for telekom puls (alcatel/mediatek)