1 /* IEEE 802.11 SoftMAC layer
2 * Copyright (c) 2005 Andrea Merello <andreamrl@tiscali.it>
4 * Mostly extracted from the rtl8180-sa2400 driver for the
5 * in-kernel generic ieee802.11 stack.
7 * Few lines might be stolen from other part of the ieee80211
8 * stack. Copyright who own it's copyright
10 * WPA code stolen from the ipw2200 driver.
11 * Copyright who own it's copyright.
13 * released under the GPL
17 #include "ieee80211.h"
19 #include <linux/random.h>
20 #include <linux/delay.h>
21 #include <linux/slab.h>
22 #include <linux/version.h>
23 #include <asm/uaccess.h>
26 u8 rsn_authen_cipher_suite[16][4] = {
27 {0x00,0x0F,0xAC,0x00}, //Use group key, //Reserved
28 {0x00,0x0F,0xAC,0x01}, //WEP-40 //RSNA default
29 {0x00,0x0F,0xAC,0x02}, //TKIP //NONE //{used just as default}
30 {0x00,0x0F,0xAC,0x03}, //WRAP-historical
31 {0x00,0x0F,0xAC,0x04}, //CCMP
32 {0x00,0x0F,0xAC,0x05}, //WEP-104
35 short ieee80211_is_54g(struct ieee80211_network net)
37 return ((net.rates_ex_len > 0) || (net.rates_len > 4));
40 short ieee80211_is_shortslot(struct ieee80211_network net)
42 return (net.capability & WLAN_CAPABILITY_SHORT_SLOT);
45 /* returns the total length needed for pleacing the RATE MFIE
46 * tag and the EXTENDED RATE MFIE tag if needed.
47 * It encludes two bytes per tag for the tag itself and its len
49 unsigned int ieee80211_MFIE_rate_len(struct ieee80211_device *ieee)
51 unsigned int rate_len = 0;
53 if (ieee->modulation & IEEE80211_CCK_MODULATION)
54 rate_len = IEEE80211_CCK_RATE_LEN + 2;
56 if (ieee->modulation & IEEE80211_OFDM_MODULATION)
58 rate_len += IEEE80211_OFDM_RATE_LEN + 2;
63 /* pleace the MFIE rate, tag to the memory (double) poined.
64 * Then it updates the pointer so that
65 * it points after the new MFIE tag added.
67 void ieee80211_MFIE_Brate(struct ieee80211_device *ieee, u8 **tag_p)
71 if (ieee->modulation & IEEE80211_CCK_MODULATION){
72 *tag++ = MFIE_TYPE_RATES;
74 *tag++ = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_1MB;
75 *tag++ = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_2MB;
76 *tag++ = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_5MB;
77 *tag++ = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_11MB;
80 /* We may add an option for custom rates that specific HW might support */
84 void ieee80211_MFIE_Grate(struct ieee80211_device *ieee, u8 **tag_p)
88 if (ieee->modulation & IEEE80211_OFDM_MODULATION){
90 *tag++ = MFIE_TYPE_RATES_EX;
92 *tag++ = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_6MB;
93 *tag++ = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_9MB;
94 *tag++ = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_12MB;
95 *tag++ = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_18MB;
96 *tag++ = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_24MB;
97 *tag++ = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_36MB;
98 *tag++ = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_48MB;
99 *tag++ = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_54MB;
103 /* We may add an option for custom rates that specific HW might support */
108 void ieee80211_WMM_Info(struct ieee80211_device *ieee, u8 **tag_p) {
111 *tag++ = MFIE_TYPE_GENERIC; //0
120 if(ieee->current_network.wmm_info & 0x80) {
121 *tag++ = 0x0f|MAX_SP_Len;
131 void ieee80211_TURBO_Info(struct ieee80211_device *ieee, u8 **tag_p) {
134 *tag++ = MFIE_TYPE_GENERIC; //0
145 printk(KERN_ALERT "This is enable turbo mode IE process\n");
148 void enqueue_mgmt(struct ieee80211_device *ieee, struct sk_buff *skb)
151 nh = (ieee->mgmt_queue_head +1) % MGMT_QUEUE_NUM;
154 * if the queue is full but we have newer frames then
155 * just overwrites the oldest.
157 * if (nh == ieee->mgmt_queue_tail)
160 ieee->mgmt_queue_head = nh;
161 ieee->mgmt_queue_ring[nh] = skb;
166 struct sk_buff *dequeue_mgmt(struct ieee80211_device *ieee)
170 if(ieee->mgmt_queue_tail == ieee->mgmt_queue_head)
173 ret = ieee->mgmt_queue_ring[ieee->mgmt_queue_tail];
175 ieee->mgmt_queue_tail =
176 (ieee->mgmt_queue_tail+1) % MGMT_QUEUE_NUM;
181 void init_mgmt_queue(struct ieee80211_device *ieee)
183 ieee->mgmt_queue_tail = ieee->mgmt_queue_head = 0;
187 void ieee80211_sta_wakeup(struct ieee80211_device *ieee, short nl);
189 inline void softmac_mgmt_xmit(struct sk_buff *skb, struct ieee80211_device *ieee)
192 short single = ieee->softmac_features & IEEE_SOFTMAC_SINGLE_QUEUE;
193 struct ieee80211_hdr_3addr *header=
194 (struct ieee80211_hdr_3addr *) skb->data;
197 spin_lock_irqsave(&ieee->lock, flags);
199 /* called with 2nd param 0, no mgmt lock required */
200 ieee80211_sta_wakeup(ieee,0);
203 if(ieee->queue_stop){
205 enqueue_mgmt(ieee,skb);
207 header->seq_ctrl = cpu_to_le16(ieee->seq_ctrl[0]<<4);
209 if (ieee->seq_ctrl[0] == 0xFFF)
210 ieee->seq_ctrl[0] = 0;
214 /* avoid watchdog triggers */
215 ieee->dev->trans_start = jiffies;
216 ieee->softmac_data_hard_start_xmit(skb,ieee->dev,ieee->basic_rate);
219 spin_unlock_irqrestore(&ieee->lock, flags);
221 spin_unlock_irqrestore(&ieee->lock, flags);
222 spin_lock_irqsave(&ieee->mgmt_tx_lock, flags);
224 header->seq_ctrl = cpu_to_le16(ieee->seq_ctrl[0] << 4);
226 if (ieee->seq_ctrl[0] == 0xFFF)
227 ieee->seq_ctrl[0] = 0;
231 /* avoid watchdog triggers */
232 ieee->dev->trans_start = jiffies;
233 ieee->softmac_hard_start_xmit(skb,ieee->dev);
235 spin_unlock_irqrestore(&ieee->mgmt_tx_lock, flags);
240 inline void softmac_ps_mgmt_xmit(struct sk_buff *skb, struct ieee80211_device *ieee)
243 short single = ieee->softmac_features & IEEE_SOFTMAC_SINGLE_QUEUE;
244 struct ieee80211_hdr_3addr *header =
245 (struct ieee80211_hdr_3addr *) skb->data;
250 header->seq_ctrl = cpu_to_le16(ieee->seq_ctrl[0] << 4);
252 if (ieee->seq_ctrl[0] == 0xFFF)
253 ieee->seq_ctrl[0] = 0;
257 /* avoid watchdog triggers */
258 ieee->dev->trans_start = jiffies;
259 ieee->softmac_data_hard_start_xmit(skb,ieee->dev,ieee->basic_rate);
263 header->seq_ctrl = cpu_to_le16(ieee->seq_ctrl[0] << 4);
265 if (ieee->seq_ctrl[0] == 0xFFF)
266 ieee->seq_ctrl[0] = 0;
270 /* avoid watchdog triggers */
271 ieee->dev->trans_start = jiffies;
272 ieee->softmac_hard_start_xmit(skb,ieee->dev);
275 // dev_kfree_skb_any(skb);//edit by thomas
277 //by amy for power save
278 inline struct sk_buff *ieee80211_disassociate_skb(
279 struct ieee80211_network *beacon,
280 struct ieee80211_device *ieee,
284 struct ieee80211_disassoc_frame *disass;
286 skb = dev_alloc_skb(sizeof(struct ieee80211_disassoc_frame));
290 disass = (struct ieee80211_disassoc_frame *) skb_put(skb,sizeof(struct ieee80211_disassoc_frame));
291 disass->header.frame_control = cpu_to_le16(IEEE80211_STYPE_DISASSOC);
292 disass->header.duration_id = 0;
294 memcpy(disass->header.addr1, beacon->bssid, ETH_ALEN);
295 memcpy(disass->header.addr2, ieee->dev->dev_addr, ETH_ALEN);
296 memcpy(disass->header.addr3, beacon->bssid, ETH_ALEN);
298 disass->reasoncode = asRsn;
303 struct ieee80211_device *ieee,
308 struct ieee80211_network *beacon = &ieee->current_network;
310 skb = ieee80211_disassociate_skb(beacon,ieee,asRsn);
312 softmac_mgmt_xmit(skb, ieee);
313 //dev_kfree_skb_any(skb);//edit by thomas
317 //by amy for power save
318 inline struct sk_buff *ieee80211_probe_req(struct ieee80211_device *ieee)
320 unsigned int len,rate_len;
323 struct ieee80211_probe_request *req;
325 len = ieee->current_network.ssid_len;
327 rate_len = ieee80211_MFIE_rate_len(ieee);
329 skb = dev_alloc_skb(sizeof(struct ieee80211_probe_request) +
334 req = (struct ieee80211_probe_request *) skb_put(skb,sizeof(struct ieee80211_probe_request));
335 req->header.frame_ctl = cpu_to_le16(IEEE80211_STYPE_PROBE_REQ);
336 req->header.duration_id = 0; //FIXME: is this OK ?
338 memset(req->header.addr1, 0xff, ETH_ALEN);
339 memcpy(req->header.addr2, ieee->dev->dev_addr, ETH_ALEN);
340 memset(req->header.addr3, 0xff, ETH_ALEN);
342 tag = (u8 *) skb_put(skb,len+2+rate_len);
344 *tag++ = MFIE_TYPE_SSID;
346 memcpy(tag, ieee->current_network.ssid, len);
348 ieee80211_MFIE_Brate(ieee,&tag);
349 ieee80211_MFIE_Grate(ieee,&tag);
354 struct sk_buff *ieee80211_get_beacon_(struct ieee80211_device *ieee);
356 void ext_ieee80211_send_beacon_wq(struct ieee80211_device *ieee)
360 //unsigned long flags;
362 skb = ieee80211_get_beacon_(ieee);
365 softmac_mgmt_xmit(skb, ieee);
366 ieee->softmac_stats.tx_beacons++;
367 dev_kfree_skb_any(skb);//edit by thomas
371 //printk(KERN_WARNING "[1] beacon sending!\n");
372 ieee->beacon_timer.expires = jiffies +
373 (MSECS( ieee->current_network.beacon_interval -5));
375 //spin_lock_irqsave(&ieee->beacon_lock,flags);
376 if(ieee->beacon_txing)
377 add_timer(&ieee->beacon_timer);
378 //spin_unlock_irqrestore(&ieee->beacon_lock,flags);
381 void ieee80211_send_beacon(struct ieee80211_device *ieee)
385 //unsigned long flags;
387 skb = ieee80211_get_beacon_(ieee);
390 softmac_mgmt_xmit(skb, ieee);
391 ieee->softmac_stats.tx_beacons++;
392 dev_kfree_skb_any(skb);//edit by thomas
395 //printk(KERN_WARNING "[1] beacon sending!\n");
396 ieee->beacon_timer.expires = jiffies +
397 (MSECS( ieee->current_network.beacon_interval -5));
399 //spin_lock_irqsave(&ieee->beacon_lock,flags);
400 if(ieee->beacon_txing)
401 add_timer(&ieee->beacon_timer);
402 //spin_unlock_irqrestore(&ieee->beacon_lock,flags);
406 void ieee80211_send_beacon_cb(unsigned long _ieee)
408 struct ieee80211_device *ieee =
409 (struct ieee80211_device *) _ieee;
412 spin_lock_irqsave(&ieee->beacon_lock, flags);
413 ieee80211_send_beacon(ieee);
414 spin_unlock_irqrestore(&ieee->beacon_lock, flags);
417 void ieee80211_send_probe(struct ieee80211_device *ieee)
421 skb = ieee80211_probe_req(ieee);
423 softmac_mgmt_xmit(skb, ieee);
424 ieee->softmac_stats.tx_probe_rq++;
425 //dev_kfree_skb_any(skb);//edit by thomas
429 void ieee80211_send_probe_requests(struct ieee80211_device *ieee)
431 if (ieee->active_scan && (ieee->softmac_features & IEEE_SOFTMAC_PROBERQ)){
432 ieee80211_send_probe(ieee);
433 ieee80211_send_probe(ieee);
437 /* this performs syncro scan blocking the caller until all channels
438 * in the allowed channel map has been checked.
440 void ieee80211_softmac_scan_syncro(struct ieee80211_device *ieee)
443 u8 channel_map[MAX_CHANNEL_NUMBER+1];
444 memcpy(channel_map, GET_DOT11D_INFO(ieee)->channel_map, MAX_CHANNEL_NUMBER+1);
445 down(&ieee->scan_sem);
446 // printk("==================> Sync scan\n");
453 if (ch > MAX_CHANNEL_NUMBER)
454 goto out; /* scan completed */
456 }while(!channel_map[ch]);
457 /* this function can be called in two situations
458 * 1- We have switched to ad-hoc mode and we are
459 * performing a complete syncro scan before conclude
460 * there are no interesting cell and to create a
461 * new one. In this case the link state is
462 * IEEE80211_NOLINK until we found an interesting cell.
463 * If so the ieee8021_new_net, called by the RX path
464 * will set the state to IEEE80211_LINKED, so we stop
466 * 2- We are linked and the root uses run iwlist scan.
467 * So we switch to IEEE80211_LINKED_SCANNING to remember
468 * that we are still logically linked (not interested in
469 * new network events, despite for updating the net list,
470 * but we are temporarly 'unlinked' as the driver shall
471 * not filter RX frames and the channel is changing.
472 * So the only situation in witch are interested is to check
473 * if the state become LINKED because of the #1 situation
476 if (ieee->state == IEEE80211_LINKED)
479 ieee->set_chan(ieee->dev, ch);
480 // printk("=====>channel=%d ",ch);
481 if(channel_map[ch] == 1)
483 // printk("====send probe request\n");
484 ieee80211_send_probe_requests(ieee);
486 /* this prevent excessive time wait when we
487 * need to wait for a syncro scan to end..
489 if (ieee->sync_scan_hurryup)
493 msleep_interruptible_rtl(IEEE80211_SOFTMAC_SCAN_TIME);
497 ieee->sync_scan_hurryup = 0;
499 if(IS_DOT11D_ENABLE(ieee))
500 DOT11D_ScanComplete(ieee);
503 void ieee80211_softmac_ips_scan_syncro(struct ieee80211_device *ieee)
506 unsigned int watch_dog = 0;
507 u8 channel_map[MAX_CHANNEL_NUMBER+1];
508 memcpy(channel_map, GET_DOT11D_INFO(ieee)->channel_map, MAX_CHANNEL_NUMBER+1);
509 down(&ieee->scan_sem);
510 ch = ieee->current_network.channel;
511 // if(ieee->sync_scan_hurryup)
514 // printk("stop scan sync\n");
517 // printk("=======hh===============>ips scan\n");
520 /* this function can be called in two situations
521 * 1- We have switched to ad-hoc mode and we are
522 * performing a complete syncro scan before conclude
523 * there are no interesting cell and to create a
524 * new one. In this case the link state is
525 * IEEE80211_NOLINK until we found an interesting cell.
526 * If so the ieee8021_new_net, called by the RX path
527 * will set the state to IEEE80211_LINKED, so we stop
529 * 2- We are linked and the root uses run iwlist scan.
530 * So we switch to IEEE80211_LINKED_SCANNING to remember
531 * that we are still logically linked (not interested in
532 * new network events, despite for updating the net list,
533 * but we are temporarly 'unlinked' as the driver shall
534 * not filter RX frames and the channel is changing.
535 * So the only situation in witch are interested is to check
536 * if the state become LINKED because of the #1 situation
538 if (ieee->state == IEEE80211_LINKED)
542 if(channel_map[ieee->current_network.channel] > 0)
544 ieee->set_chan(ieee->dev, ieee->current_network.channel);
545 // printk("======>channel=%d ",ieee->current_network.channel);
547 if(channel_map[ieee->current_network.channel] == 1)
549 // printk("====send probe request\n");
550 ieee80211_send_probe_requests(ieee);
552 /* this prevent excessive time wait when we
553 * need to wait for a syncro scan to end..
555 // if (ieee->sync_scan_hurryup)
558 msleep_interruptible_rtl(IEEE80211_SOFTMAC_SCAN_TIME);
561 if (watch_dog++ >= MAX_CHANNEL_NUMBER)
562 // if (++watch_dog >= 15);//MAX_CHANNEL_NUMBER) //YJ,modified,080630
563 goto out; /* scan completed */
565 ieee->current_network.channel = (ieee->current_network.channel + 1)%MAX_CHANNEL_NUMBER;
566 }while(!channel_map[ieee->current_network.channel]);
569 //ieee->sync_scan_hurryup = 0;
570 //ieee->set_chan(ieee->dev, ch);
571 //ieee->current_network.channel = ch;
572 ieee->actscanning = false;
574 if(IS_DOT11D_ENABLE(ieee))
575 DOT11D_ScanComplete(ieee);
578 void ieee80211_softmac_scan_wq(struct work_struct *work)
580 struct delayed_work *dwork = to_delayed_work(work);
581 struct ieee80211_device *ieee = container_of(dwork, struct ieee80211_device, softmac_scan_wq);
582 static short watchdog = 0;
583 u8 channel_map[MAX_CHANNEL_NUMBER+1];
584 memcpy(channel_map, GET_DOT11D_INFO(ieee)->channel_map, MAX_CHANNEL_NUMBER+1);
585 // printk("ieee80211_softmac_scan_wq ENABLE_IPS\n");
586 // printk("in %s\n",__func__);
587 down(&ieee->scan_sem);
590 ieee->current_network.channel =
591 (ieee->current_network.channel + 1) % MAX_CHANNEL_NUMBER;
592 if (watchdog++ > MAX_CHANNEL_NUMBER)
593 goto out; /* no good chans */
595 }while(!channel_map[ieee->current_network.channel]);
597 //printk("current_network.channel:%d\n", ieee->current_network.channel);
598 if (ieee->scanning == 0 )
600 printk("error out, scanning = 0\n");
603 ieee->set_chan(ieee->dev, ieee->current_network.channel);
604 if(channel_map[ieee->current_network.channel] == 1)
605 ieee80211_send_probe_requests(ieee);
607 queue_delayed_work(ieee->wq, &ieee->softmac_scan_wq, IEEE80211_SOFTMAC_SCAN_TIME);
611 ieee->actscanning = false;
616 if(IS_DOT11D_ENABLE(ieee))
617 DOT11D_ScanComplete(ieee);
621 void ieee80211_beacons_start(struct ieee80211_device *ieee)
625 spin_lock_irqsave(&ieee->beacon_lock,flags);
627 ieee->beacon_txing = 1;
628 ieee80211_send_beacon(ieee);
630 spin_unlock_irqrestore(&ieee->beacon_lock,flags);
633 void ieee80211_beacons_stop(struct ieee80211_device *ieee)
637 spin_lock_irqsave(&ieee->beacon_lock,flags);
639 ieee->beacon_txing = 0;
640 del_timer_sync(&ieee->beacon_timer);
642 spin_unlock_irqrestore(&ieee->beacon_lock,flags);
647 void ieee80211_stop_send_beacons(struct ieee80211_device *ieee)
649 if(ieee->stop_send_beacons)
650 ieee->stop_send_beacons(ieee->dev);
651 if (ieee->softmac_features & IEEE_SOFTMAC_BEACONS)
652 ieee80211_beacons_stop(ieee);
656 void ieee80211_start_send_beacons(struct ieee80211_device *ieee)
658 if(ieee->start_send_beacons)
659 ieee->start_send_beacons(ieee->dev);
660 if(ieee->softmac_features & IEEE_SOFTMAC_BEACONS)
661 ieee80211_beacons_start(ieee);
665 void ieee80211_softmac_stop_scan(struct ieee80211_device *ieee)
667 // unsigned long flags;
669 //ieee->sync_scan_hurryup = 1;
671 down(&ieee->scan_sem);
672 // spin_lock_irqsave(&ieee->lock, flags);
674 if (ieee->scanning == 1){
676 //del_timer_sync(&ieee->scan_timer);
677 cancel_delayed_work(&ieee->softmac_scan_wq);
680 // spin_unlock_irqrestore(&ieee->lock, flags);
684 void ieee80211_stop_scan(struct ieee80211_device *ieee)
686 if (ieee->softmac_features & IEEE_SOFTMAC_SCAN)
687 ieee80211_softmac_stop_scan(ieee);
689 ieee->stop_scan(ieee->dev);
692 /* called with ieee->lock held */
693 void ieee80211_rtl_start_scan(struct ieee80211_device *ieee)
695 if(IS_DOT11D_ENABLE(ieee) )
697 if(IS_COUNTRY_IE_VALID(ieee))
699 RESET_CIE_WATCHDOG(ieee);
702 if (ieee->softmac_features & IEEE_SOFTMAC_SCAN){
703 if (ieee->scanning == 0)
706 //ieee80211_softmac_scan(ieee);
707 // queue_work(ieee->wq, &ieee->softmac_scan_wq);
708 //care this,1203,2007,by lawrence
710 queue_delayed_work(ieee->wq, &ieee->softmac_scan_wq,0);
714 ieee->start_scan(ieee->dev);
718 /* called with wx_sem held */
719 void ieee80211_start_scan_syncro(struct ieee80211_device *ieee)
721 if(IS_DOT11D_ENABLE(ieee) )
723 if(IS_COUNTRY_IE_VALID(ieee))
725 RESET_CIE_WATCHDOG(ieee);
728 ieee->sync_scan_hurryup = 0;
730 if (ieee->softmac_features & IEEE_SOFTMAC_SCAN)
731 ieee80211_softmac_scan_syncro(ieee);
733 ieee->scan_syncro(ieee->dev);
737 inline struct sk_buff *ieee80211_authentication_req(struct ieee80211_network *beacon,
738 struct ieee80211_device *ieee, int challengelen)
741 struct ieee80211_authentication *auth;
743 skb = dev_alloc_skb(sizeof(struct ieee80211_authentication) + challengelen);
745 if (!skb) return NULL;
747 auth = (struct ieee80211_authentication *)
748 skb_put(skb, sizeof(struct ieee80211_authentication));
750 auth->header.frame_ctl = IEEE80211_STYPE_AUTH;
751 if (challengelen) auth->header.frame_ctl |= IEEE80211_FCTL_WEP;
753 auth->header.duration_id = 0x013a; //FIXME
755 memcpy(auth->header.addr1, beacon->bssid, ETH_ALEN);
756 memcpy(auth->header.addr2, ieee->dev->dev_addr, ETH_ALEN);
757 memcpy(auth->header.addr3, beacon->bssid, ETH_ALEN);
759 auth->algorithm = ieee->open_wep ? WLAN_AUTH_OPEN : WLAN_AUTH_SHARED_KEY;
761 auth->transaction = cpu_to_le16(ieee->associate_seq);
762 ieee->associate_seq++;
764 auth->status = cpu_to_le16(WLAN_STATUS_SUCCESS);
770 static struct sk_buff* ieee80211_probe_resp(struct ieee80211_device *ieee, u8 *dest)
774 struct ieee80211_probe_response *beacon_buf;
777 int atim_len,erp_len;
778 struct ieee80211_crypt_data* crypt;
780 char *ssid = ieee->current_network.ssid;
781 int ssid_len = ieee->current_network.ssid_len;
782 int rate_len = ieee->current_network.rates_len+2;
783 int rate_ex_len = ieee->current_network.rates_ex_len;
784 int wpa_ie_len = ieee->wpa_ie_len;
785 if(rate_ex_len > 0) rate_ex_len+=2;
787 if(ieee->current_network.capability & WLAN_CAPABILITY_IBSS)
792 if(ieee80211_is_54g(ieee->current_network))
797 beacon_size = sizeof(struct ieee80211_probe_response)+
806 skb = dev_alloc_skb(beacon_size);
811 beacon_buf = (struct ieee80211_probe_response*) skb_put(skb, beacon_size);
813 memcpy (beacon_buf->header.addr1, dest,ETH_ALEN);
814 memcpy (beacon_buf->header.addr2, ieee->dev->dev_addr, ETH_ALEN);
815 memcpy (beacon_buf->header.addr3, ieee->current_network.bssid, ETH_ALEN);
817 beacon_buf->header.duration_id = 0; //FIXME
818 beacon_buf->beacon_interval =
819 cpu_to_le16(ieee->current_network.beacon_interval);
820 beacon_buf->capability =
821 cpu_to_le16(ieee->current_network.capability & WLAN_CAPABILITY_IBSS);
823 if(ieee->short_slot && (ieee->current_network.capability & WLAN_CAPABILITY_SHORT_SLOT))
824 cpu_to_le16((beacon_buf->capability |= WLAN_CAPABILITY_SHORT_SLOT));
826 crypt = ieee->crypt[ieee->tx_keyidx];
828 encrypt = ieee->host_encrypt && crypt && crypt->ops &&
829 ((0 == strcmp(crypt->ops->name, "WEP")) || wpa_ie_len);
832 beacon_buf->capability |= cpu_to_le16(WLAN_CAPABILITY_PRIVACY);
835 beacon_buf->header.frame_ctl = cpu_to_le16(IEEE80211_STYPE_PROBE_RESP);
837 beacon_buf->info_element.id = MFIE_TYPE_SSID;
838 beacon_buf->info_element.len = ssid_len;
840 tag = (u8*) beacon_buf->info_element.data;
842 memcpy(tag, ssid, ssid_len);
846 *(tag++) = MFIE_TYPE_RATES;
847 *(tag++) = rate_len-2;
848 memcpy(tag,ieee->current_network.rates,rate_len-2);
851 *(tag++) = MFIE_TYPE_DS_SET;
853 *(tag++) = ieee->current_network.channel;
856 *(tag++) = MFIE_TYPE_IBSS_SET;
858 *((u16*)(tag)) = cpu_to_le16(ieee->current_network.atim_window);
863 *(tag++) = MFIE_TYPE_ERP;
869 *(tag++) = MFIE_TYPE_RATES_EX;
870 *(tag++) = rate_ex_len-2;
871 memcpy(tag,ieee->current_network.rates_ex,rate_ex_len-2);
877 if (ieee->iw_mode == IW_MODE_ADHOC)
878 {//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
879 memcpy(&ieee->wpa_ie[14], &ieee->wpa_ie[8], 4);
882 memcpy(tag, ieee->wpa_ie, ieee->wpa_ie_len);
885 skb->dev = ieee->dev;
889 struct sk_buff* ieee80211_assoc_resp(struct ieee80211_device *ieee, u8 *dest)
894 struct ieee80211_crypt_data* crypt;
895 struct ieee80211_assoc_response_frame *assoc;
898 unsigned int rate_len = ieee80211_MFIE_rate_len(ieee);
899 int len = sizeof(struct ieee80211_assoc_response_frame) + rate_len;
901 skb = dev_alloc_skb(len);
906 assoc = (struct ieee80211_assoc_response_frame *)
907 skb_put(skb,sizeof(struct ieee80211_assoc_response_frame));
909 assoc->header.frame_control = cpu_to_le16(IEEE80211_STYPE_ASSOC_RESP);
910 memcpy(assoc->header.addr1, dest,ETH_ALEN);
911 memcpy(assoc->header.addr3, ieee->dev->dev_addr, ETH_ALEN);
912 memcpy(assoc->header.addr2, ieee->dev->dev_addr, ETH_ALEN);
913 assoc->capability = cpu_to_le16(ieee->iw_mode == IW_MODE_MASTER ?
914 WLAN_CAPABILITY_BSS : WLAN_CAPABILITY_IBSS);
918 assoc->capability |= cpu_to_le16(WLAN_CAPABILITY_SHORT_SLOT);
920 if (ieee->host_encrypt)
921 crypt = ieee->crypt[ieee->tx_keyidx];
924 encrypt = ( crypt && crypt->ops);
927 assoc->capability |= cpu_to_le16(WLAN_CAPABILITY_PRIVACY);
930 assoc->aid = cpu_to_le16(ieee->assoc_id);
931 if (ieee->assoc_id == 0x2007) ieee->assoc_id=0;
932 else ieee->assoc_id++;
934 tag = (u8*) skb_put(skb, rate_len);
936 ieee80211_MFIE_Brate(ieee, &tag);
937 ieee80211_MFIE_Grate(ieee, &tag);
942 struct sk_buff* ieee80211_auth_resp(struct ieee80211_device *ieee,int status, u8 *dest)
945 struct ieee80211_authentication *auth;
947 skb = dev_alloc_skb(sizeof(struct ieee80211_authentication)+1);
952 skb->len = sizeof(struct ieee80211_authentication);
954 auth = (struct ieee80211_authentication *)skb->data;
956 auth->status = cpu_to_le16(status);
957 auth->transaction = cpu_to_le16(2);
958 auth->algorithm = cpu_to_le16(WLAN_AUTH_OPEN);
960 memcpy(auth->header.addr3, ieee->dev->dev_addr, ETH_ALEN);
961 memcpy(auth->header.addr2, ieee->dev->dev_addr, ETH_ALEN);
962 memcpy(auth->header.addr1, dest, ETH_ALEN);
963 auth->header.frame_ctl = cpu_to_le16(IEEE80211_STYPE_AUTH);
969 struct sk_buff* ieee80211_null_func(struct ieee80211_device *ieee,short pwr)
972 struct ieee80211_hdr_3addr* hdr;
974 skb = dev_alloc_skb(sizeof(struct ieee80211_hdr_3addr));
979 hdr = (struct ieee80211_hdr_3addr*)skb_put(skb,sizeof(struct ieee80211_hdr_3addr));
981 memcpy(hdr->addr1, ieee->current_network.bssid, ETH_ALEN);
982 memcpy(hdr->addr2, ieee->dev->dev_addr, ETH_ALEN);
983 memcpy(hdr->addr3, ieee->current_network.bssid, ETH_ALEN);
985 hdr->frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA |
986 IEEE80211_STYPE_NULLFUNC | IEEE80211_FCTL_TODS |
987 (pwr ? IEEE80211_FCTL_PM:0));
995 void ieee80211_resp_to_assoc_rq(struct ieee80211_device *ieee, u8* dest)
997 struct sk_buff *buf = ieee80211_assoc_resp(ieee, dest);
1000 softmac_mgmt_xmit(buf, ieee);
1001 dev_kfree_skb_any(buf);//edit by thomas
1006 void ieee80211_resp_to_auth(struct ieee80211_device *ieee, int s, u8* dest)
1008 struct sk_buff *buf = ieee80211_auth_resp(ieee, s, dest);
1011 softmac_mgmt_xmit(buf, ieee);
1012 dev_kfree_skb_any(buf);//edit by thomas
1017 void ieee80211_resp_to_probe(struct ieee80211_device *ieee, u8 *dest)
1020 struct sk_buff *buf = ieee80211_probe_resp(ieee, dest);
1023 softmac_mgmt_xmit(buf, ieee);
1024 dev_kfree_skb_any(buf);//edit by thomas
1029 inline struct sk_buff *ieee80211_association_req(struct ieee80211_network *beacon,struct ieee80211_device *ieee)
1031 struct sk_buff *skb;
1032 //unsigned long flags;
1034 struct ieee80211_assoc_request_frame *hdr;
1036 //short info_addr = 0;
1038 //u16 suite_count = 0;
1039 //u8 suit_select = 0;
1040 unsigned int wpa_len = beacon->wpa_ie_len;
1041 //struct net_device *dev = ieee->dev;
1042 //union iwreq_data wrqu;
1046 // for testing purpose
1047 unsigned int rsn_len = beacon->rsn_ie_len;
1049 unsigned int rsn_len = beacon->rsn_ie_len - 4;
1051 unsigned int rate_len = ieee80211_MFIE_rate_len(ieee);
1052 unsigned int wmm_info_len = beacon->QoS_Enable?9:0;
1053 unsigned int turbo_info_len = beacon->Turbo_Enable?9:0;
1055 u8 encry_proto = ieee->wpax_type_notify & 0xff;
1056 //u8 pairwise_type = (ieee->wpax_type_notify >> 8) & 0xff;
1057 //u8 authen_type = (ieee->wpax_type_notify >> 16) & 0xff;
1061 //[0] Notify type of encryption: WPA/WPA2
1062 //[1] pair wise type
1064 if(ieee->wpax_type_set) {
1065 if (IEEE_PROTO_WPA == encry_proto) {
1067 } else if (IEEE_PROTO_RSN == encry_proto) {
1071 len = sizeof(struct ieee80211_assoc_request_frame)+
1072 + beacon->ssid_len//essid tagged val
1073 + rate_len//rates tagged val
1079 skb = dev_alloc_skb(len);
1084 hdr = (struct ieee80211_assoc_request_frame *)
1085 skb_put(skb, sizeof(struct ieee80211_assoc_request_frame));
1088 hdr->header.frame_control = IEEE80211_STYPE_ASSOC_REQ;
1089 hdr->header.duration_id= 37; //FIXME
1090 memcpy(hdr->header.addr1, beacon->bssid, ETH_ALEN);
1091 memcpy(hdr->header.addr2, ieee->dev->dev_addr, ETH_ALEN);
1092 memcpy(hdr->header.addr3, beacon->bssid, ETH_ALEN);
1093 memcpy(ieee->ap_mac_addr, beacon->bssid, ETH_ALEN);//for HW security, John
1095 hdr->capability = cpu_to_le16(WLAN_CAPABILITY_BSS);
1096 if (beacon->capability & WLAN_CAPABILITY_PRIVACY )
1097 hdr->capability |= cpu_to_le16(WLAN_CAPABILITY_PRIVACY);
1098 if (beacon->capability & WLAN_CAPABILITY_SHORT_PREAMBLE)
1099 hdr->capability |= cpu_to_le16(WLAN_CAPABILITY_SHORT_PREAMBLE);
1101 if(ieee->short_slot)
1102 hdr->capability |= cpu_to_le16(WLAN_CAPABILITY_SHORT_SLOT);
1104 hdr->listen_interval = 0xa; //FIXME
1106 hdr->info_element.id = MFIE_TYPE_SSID;
1108 hdr->info_element.len = beacon->ssid_len;
1109 tag = skb_put(skb, beacon->ssid_len);
1110 memcpy(tag, beacon->ssid, beacon->ssid_len);
1112 tag = skb_put(skb, rate_len);
1114 ieee80211_MFIE_Brate(ieee, &tag);
1115 ieee80211_MFIE_Grate(ieee, &tag);
1117 //add rsn==0 condition for ap's mix security mode(wpa+wpa2), john2007.8.9
1118 //choose AES encryption as default algorithm while using mixed mode
1120 tag = skb_put(skb,ieee->wpa_ie_len);
1121 memcpy(tag,ieee->wpa_ie,ieee->wpa_ie_len);
1123 tag = skb_put(skb,wmm_info_len);
1125 ieee80211_WMM_Info(ieee, &tag);
1127 tag = skb_put(skb,turbo_info_len);
1128 if(turbo_info_len) {
1129 ieee80211_TURBO_Info(ieee, &tag);
1135 void ieee80211_associate_abort(struct ieee80211_device *ieee)
1138 unsigned long flags;
1139 spin_lock_irqsave(&ieee->lock, flags);
1141 ieee->associate_seq++;
1143 /* don't scan, and avoid to have the RX path possibily
1144 * try again to associate. Even do not react to AUTH or
1145 * ASSOC response. Just wait for the retry wq to be scheduled.
1146 * Here we will check if there are good nets to associate
1147 * with, so we retry or just get back to NO_LINK and scanning
1149 if (ieee->state == IEEE80211_ASSOCIATING_AUTHENTICATING){
1150 IEEE80211_DEBUG_MGMT("Authentication failed\n");
1151 ieee->softmac_stats.no_auth_rs++;
1153 IEEE80211_DEBUG_MGMT("Association failed\n");
1154 ieee->softmac_stats.no_ass_rs++;
1157 ieee->state = IEEE80211_ASSOCIATING_RETRY;
1159 queue_delayed_work(ieee->wq, &ieee->associate_retry_wq,IEEE80211_SOFTMAC_ASSOC_RETRY_TIME);
1161 spin_unlock_irqrestore(&ieee->lock, flags);
1164 void ieee80211_associate_abort_cb(unsigned long dev)
1166 ieee80211_associate_abort((struct ieee80211_device *) dev);
1170 void ieee80211_associate_step1(struct ieee80211_device *ieee)
1172 struct ieee80211_network *beacon = &ieee->current_network;
1173 struct sk_buff *skb;
1175 IEEE80211_DEBUG_MGMT("Stopping scan\n");
1176 ieee->softmac_stats.tx_auth_rq++;
1177 skb=ieee80211_authentication_req(beacon, ieee, 0);
1180 ieee80211_associate_abort(ieee);
1183 ieee->state = IEEE80211_ASSOCIATING_AUTHENTICATING ;
1184 IEEE80211_DEBUG_MGMT("Sending authentication request\n");
1185 //printk("---Sending authentication request\n");
1186 softmac_mgmt_xmit(skb, ieee);
1187 //BUGON when you try to add_timer twice, using mod_timer may be better, john0709
1188 if(!timer_pending(&ieee->associate_timer)){
1189 ieee->associate_timer.expires = jiffies + (HZ / 2);
1190 add_timer(&ieee->associate_timer);
1192 //If call dev_kfree_skb_any,a warning will ocur....
1193 //KERNEL: assertion (!atomic_read(&skb->users)) failed at net/core/dev.c (1708)
1194 //So ... 1204 by lawrence.
1195 //printk("\nIn %s,line %d call kfree skb.",__func__,__LINE__);
1196 //dev_kfree_skb_any(skb);//edit by thomas
1200 void ieee80211_rtl_auth_challenge(struct ieee80211_device *ieee, u8 *challenge, int chlen)
1203 struct sk_buff *skb;
1204 struct ieee80211_network *beacon = &ieee->current_network;
1205 // int hlen = sizeof(struct ieee80211_authentication);
1206 del_timer_sync(&ieee->associate_timer);
1207 ieee->associate_seq++;
1208 ieee->softmac_stats.tx_auth_rq++;
1210 skb = ieee80211_authentication_req(beacon, ieee, chlen+2);
1212 ieee80211_associate_abort(ieee);
1214 c = skb_put(skb, chlen+2);
1215 *(c++) = MFIE_TYPE_CHALLENGE;
1217 memcpy(c, challenge, chlen);
1219 IEEE80211_DEBUG_MGMT("Sending authentication challenge response\n");
1221 ieee80211_encrypt_fragment(ieee, skb, sizeof(struct ieee80211_hdr_3addr ));
1223 softmac_mgmt_xmit(skb, ieee);
1224 if (!timer_pending(&ieee->associate_timer)){
1225 //printk("=========>add timer again, to crash\n");
1226 ieee->associate_timer.expires = jiffies + (HZ / 2);
1227 add_timer(&ieee->associate_timer);
1229 dev_kfree_skb_any(skb);//edit by thomas
1234 void ieee80211_associate_step2(struct ieee80211_device *ieee)
1236 struct sk_buff* skb;
1237 struct ieee80211_network *beacon = &ieee->current_network;
1239 del_timer_sync(&ieee->associate_timer);
1241 IEEE80211_DEBUG_MGMT("Sending association request\n");
1242 ieee->softmac_stats.tx_ass_rq++;
1243 skb=ieee80211_association_req(beacon, ieee);
1245 ieee80211_associate_abort(ieee);
1247 softmac_mgmt_xmit(skb, ieee);
1248 if (!timer_pending(&ieee->associate_timer)){
1249 ieee->associate_timer.expires = jiffies + (HZ / 2);
1250 add_timer(&ieee->associate_timer);
1252 //dev_kfree_skb_any(skb);//edit by thomas
1256 void ieee80211_associate_complete_wq(struct work_struct *work)
1258 struct ieee80211_device *ieee = container_of(work, struct ieee80211_device, associate_complete_wq);
1260 printk(KERN_INFO "Associated successfully\n");
1261 if(ieee80211_is_54g(ieee->current_network) &&
1262 (ieee->modulation & IEEE80211_OFDM_MODULATION)){
1265 printk(KERN_INFO"Using G rates\n");
1268 printk(KERN_INFO"Using B rates\n");
1270 ieee->link_change(ieee->dev);
1271 notify_wx_assoc_event(ieee);
1272 if (ieee->data_hard_resume)
1273 ieee->data_hard_resume(ieee->dev);
1274 netif_carrier_on(ieee->dev);
1277 void ieee80211_associate_complete(struct ieee80211_device *ieee)
1280 del_timer_sync(&ieee->associate_timer);
1282 for(i = 0; i < 6; i++) {
1283 //ieee->seq_ctrl[i] = 0;
1285 ieee->state = IEEE80211_LINKED;
1286 IEEE80211_DEBUG_MGMT("Successfully associated\n");
1288 queue_work(ieee->wq, &ieee->associate_complete_wq);
1291 void ieee80211_associate_procedure_wq(struct work_struct *work)
1293 struct ieee80211_device *ieee = container_of(work, struct ieee80211_device, associate_procedure_wq);
1295 ieee->sync_scan_hurryup = 1;
1296 down(&ieee->wx_sem);
1298 if (ieee->data_hard_stop)
1299 ieee->data_hard_stop(ieee->dev);
1301 ieee80211_stop_scan(ieee);
1302 ieee->set_chan(ieee->dev, ieee->current_network.channel);
1304 ieee->associate_seq = 1;
1305 ieee80211_associate_step1(ieee);
1310 inline void ieee80211_softmac_new_net(struct ieee80211_device *ieee, struct ieee80211_network *net)
1312 u8 tmp_ssid[IW_ESSID_MAX_SIZE+1];
1313 int tmp_ssid_len = 0;
1315 short apset,ssidset,ssidbroad,apmatch,ssidmatch;
1317 /* we are interested in new new only if we are not associated
1318 * and we are not associating / authenticating
1320 if (ieee->state != IEEE80211_NOLINK)
1323 if ((ieee->iw_mode == IW_MODE_INFRA) && !(net->capability & WLAN_CAPABILITY_BSS))
1326 if ((ieee->iw_mode == IW_MODE_ADHOC) && !(net->capability & WLAN_CAPABILITY_IBSS))
1330 if (ieee->iw_mode == IW_MODE_INFRA || ieee->iw_mode == IW_MODE_ADHOC){
1331 /* if the user specified the AP MAC, we need also the essid
1332 * This could be obtained by beacons or, if the network does not
1333 * broadcast it, it can be put manually.
1335 apset = ieee->wap_set;//(memcmp(ieee->current_network.bssid, zero,ETH_ALEN)!=0 );
1336 ssidset = ieee->ssid_set;//ieee->current_network.ssid[0] != '\0';
1337 ssidbroad = !(net->ssid_len == 0 || net->ssid[0]== '\0');
1338 apmatch = (memcmp(ieee->current_network.bssid, net->bssid, ETH_ALEN)==0);
1340 if(ieee->current_network.ssid_len != net->ssid_len)
1343 ssidmatch = (0==strncmp(ieee->current_network.ssid, net->ssid, net->ssid_len));
1345 //printk("cur: %s, %d, net:%s, %d\n", ieee->current_network.ssid, ieee->current_network.ssid_len, net->ssid, net->ssid_len);
1346 //printk("apset=%d apmatch=%d ssidset=%d ssidbroad=%d ssidmatch=%d\n",apset,apmatch,ssidset,ssidbroad,ssidmatch);
1348 if ( /* if the user set the AP check if match.
1349 * if the network does not broadcast essid we check the user supplyed ANY essid
1350 * if the network does broadcast and the user does not set essid it is OK
1351 * if the network does broadcast and the user did set essid chech if essid match
1353 ( apset && apmatch &&
1354 ((ssidset && ssidbroad && ssidmatch) || (ssidbroad && !ssidset) || (!ssidbroad && ssidset)) ) ||
1355 /* if the ap is not set, check that the user set the bssid
1356 * and the network does bradcast and that those two bssid matches
1358 (!apset && ssidset && ssidbroad && ssidmatch)
1362 /* if the essid is hidden replace it with the
1363 * essid provided by the user.
1366 strncpy(tmp_ssid, ieee->current_network.ssid, IW_ESSID_MAX_SIZE);
1367 tmp_ssid_len = ieee->current_network.ssid_len;
1369 memcpy(&ieee->current_network, net, sizeof(struct ieee80211_network));
1372 strncpy(ieee->current_network.ssid, tmp_ssid, IW_ESSID_MAX_SIZE);
1373 ieee->current_network.ssid_len = tmp_ssid_len;
1375 printk(KERN_INFO"Linking with %s: channel is %d\n",ieee->current_network.ssid,ieee->current_network.channel);
1377 if (ieee->iw_mode == IW_MODE_INFRA){
1378 ieee->state = IEEE80211_ASSOCIATING;
1379 ieee->beinretry = false;
1380 queue_work(ieee->wq, &ieee->associate_procedure_wq);
1382 if(ieee80211_is_54g(ieee->current_network) &&
1383 (ieee->modulation & IEEE80211_OFDM_MODULATION)){
1385 printk(KERN_INFO"Using G rates\n");
1388 printk(KERN_INFO"Using B rates\n");
1390 ieee->state = IEEE80211_LINKED;
1391 ieee->beinretry = false;
1399 void ieee80211_softmac_check_all_nets(struct ieee80211_device *ieee)
1401 unsigned long flags;
1402 struct ieee80211_network *target;
1404 spin_lock_irqsave(&ieee->lock, flags);
1405 list_for_each_entry(target, &ieee->network_list, list) {
1407 /* if the state become different that NOLINK means
1408 * we had found what we are searching for
1411 if (ieee->state != IEEE80211_NOLINK)
1414 if (ieee->scan_age == 0 || time_after(target->last_scanned + ieee->scan_age, jiffies))
1415 ieee80211_softmac_new_net(ieee, target);
1418 spin_unlock_irqrestore(&ieee->lock, flags);
1423 static inline u16 auth_parse(struct sk_buff *skb, u8** challenge, int *chlen)
1425 struct ieee80211_authentication *a;
1427 if (skb->len < (sizeof(struct ieee80211_authentication)-sizeof(struct ieee80211_info_element))){
1428 IEEE80211_DEBUG_MGMT("invalid len in auth resp: %d\n",skb->len);
1432 a = (struct ieee80211_authentication*) skb->data;
1433 if(skb->len > (sizeof(struct ieee80211_authentication) +3)){
1434 t = skb->data + sizeof(struct ieee80211_authentication);
1436 if(*(t++) == MFIE_TYPE_CHALLENGE){
1438 *challenge = kmalloc(*chlen, GFP_ATOMIC);
1439 memcpy(*challenge, t, *chlen);
1443 return cpu_to_le16(a->status);
1448 int auth_rq_parse(struct sk_buff *skb,u8* dest)
1450 struct ieee80211_authentication *a;
1452 if (skb->len < (sizeof(struct ieee80211_authentication)-sizeof(struct ieee80211_info_element))){
1453 IEEE80211_DEBUG_MGMT("invalid len in auth request: %d\n",skb->len);
1456 a = (struct ieee80211_authentication*) skb->data;
1458 memcpy(dest,a->header.addr2, ETH_ALEN);
1460 if (le16_to_cpu(a->algorithm) != WLAN_AUTH_OPEN)
1461 return WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG;
1463 return WLAN_STATUS_SUCCESS;
1466 static short probe_rq_parse(struct ieee80211_device *ieee, struct sk_buff *skb, u8 *src)
1473 struct ieee80211_hdr_3addr *header =
1474 (struct ieee80211_hdr_3addr *) skb->data;
1476 if (skb->len < sizeof (struct ieee80211_hdr_3addr ))
1477 return -1; /* corrupted */
1479 memcpy(src,header->addr2, ETH_ALEN);
1481 skbend = (u8*)skb->data + skb->len;
1483 tag = skb->data + sizeof (struct ieee80211_hdr_3addr );
1485 while (tag+1 < skbend){
1491 tag++; /* point to the len field */
1492 tag = tag + *(tag); /* point to the last data byte of the tag */
1493 tag++; /* point to the next tag */
1496 //IEEE80211DMESG("Card MAC address is "MACSTR, MAC2STR(src));
1497 if (ssidlen == 0) return 1;
1499 if (!ssid) return 1; /* ssid not found in tagged param */
1500 return (!strncmp(ssid, ieee->current_network.ssid, ssidlen));
1504 int assoc_rq_parse(struct sk_buff *skb,u8* dest)
1506 struct ieee80211_assoc_request_frame *a;
1508 if (skb->len < (sizeof(struct ieee80211_assoc_request_frame) -
1509 sizeof(struct ieee80211_info_element))) {
1511 IEEE80211_DEBUG_MGMT("invalid len in auth request:%d \n", skb->len);
1515 a = (struct ieee80211_assoc_request_frame*) skb->data;
1517 memcpy(dest,a->header.addr2,ETH_ALEN);
1522 static inline u16 assoc_parse(struct sk_buff *skb, int *aid)
1524 struct ieee80211_assoc_response_frame *a;
1525 if (skb->len < sizeof(struct ieee80211_assoc_response_frame)){
1526 IEEE80211_DEBUG_MGMT("invalid len in auth resp: %d\n", skb->len);
1530 a = (struct ieee80211_assoc_response_frame*) skb->data;
1531 *aid = le16_to_cpu(a->aid) & 0x3fff;
1532 return le16_to_cpu(a->status);
1536 ieee80211_rx_probe_rq(struct ieee80211_device *ieee, struct sk_buff *skb)
1540 //IEEE80211DMESG("Rx probe");
1541 ieee->softmac_stats.rx_probe_rq++;
1542 //DMESG("Dest is "MACSTR, MAC2STR(dest));
1543 if (probe_rq_parse(ieee, skb, dest)){
1544 //IEEE80211DMESG("Was for me!");
1545 ieee->softmac_stats.tx_probe_rs++;
1546 ieee80211_resp_to_probe(ieee, dest);
1551 ieee80211_rx_auth_rq(struct ieee80211_device *ieee, struct sk_buff *skb)
1555 //IEEE80211DMESG("Rx probe");
1556 ieee->softmac_stats.rx_auth_rq++;
1558 status = auth_rq_parse(skb, dest);
1560 ieee80211_resp_to_auth(ieee, status, dest);
1562 //DMESG("Dest is "MACSTR, MAC2STR(dest));
1567 ieee80211_rx_assoc_rq(struct ieee80211_device *ieee, struct sk_buff *skb)
1571 //unsigned long flags;
1573 ieee->softmac_stats.rx_ass_rq++;
1574 if (assoc_rq_parse(skb,dest) != -1){
1575 ieee80211_resp_to_assoc_rq(ieee, dest);
1578 printk(KERN_INFO"New client associated: %pM\n", dest);
1583 void ieee80211_sta_ps_send_null_frame(struct ieee80211_device *ieee, short pwr)
1586 struct sk_buff *buf = ieee80211_null_func(ieee, pwr);
1589 softmac_ps_mgmt_xmit(buf, ieee);
1594 short ieee80211_sta_ps_sleep(struct ieee80211_device *ieee, u32 *time_h, u32 *time_l)
1599 /*if(ieee->ps == IEEE80211_PS_DISABLED ||
1600 ieee->iw_mode != IW_MODE_INFRA ||
1601 ieee->state != IEEE80211_LINKED)
1605 dtim = ieee->current_network.dtim_data;
1608 if(!(dtim & IEEE80211_DTIM_VALID))
1611 timeout = ieee->current_network.beacon_interval;
1613 //printk("VALID\n");
1614 ieee->current_network.dtim_data = IEEE80211_DTIM_INVALID;
1616 if(dtim & ((IEEE80211_DTIM_UCAST | IEEE80211_DTIM_MBCAST)& ieee->ps))
1619 if(!time_after(jiffies, ieee->dev->trans_start + MSECS(timeout)))
1622 if(!time_after(jiffies, ieee->last_rx_ps_time + MSECS(timeout)))
1625 if((ieee->softmac_features & IEEE_SOFTMAC_SINGLE_QUEUE ) &&
1626 (ieee->mgmt_queue_tail != ieee->mgmt_queue_head))
1630 *time_l = ieee->current_network.last_dtim_sta_time[0]
1631 + MSECS((ieee->current_network.beacon_interval));
1632 //* ieee->current_network.dtim_period));
1633 //printk("beacon_interval:%x, dtim_period:%x, totol to Msecs:%x, HZ:%x\n", ieee->current_network.beacon_interval, ieee->current_network.dtim_period, MSECS(((ieee->current_network.beacon_interval * ieee->current_network.dtim_period))), HZ);
1637 *time_h = ieee->current_network.last_dtim_sta_time[1];
1638 if(time_l && *time_l < ieee->current_network.last_dtim_sta_time[0])
1647 inline void ieee80211_sta_ps(struct ieee80211_device *ieee)
1653 unsigned long flags,flags2;
1655 spin_lock_irqsave(&ieee->lock, flags);
1657 if((ieee->ps == IEEE80211_PS_DISABLED ||
1659 ieee->iw_mode != IW_MODE_INFRA ||
1660 ieee->state != IEEE80211_LINKED)){
1662 //#warning CHECK_LOCK_HERE
1663 spin_lock_irqsave(&ieee->mgmt_tx_lock, flags2);
1665 ieee80211_sta_wakeup(ieee, 1);
1667 spin_unlock_irqrestore(&ieee->mgmt_tx_lock, flags2);
1670 sleep = ieee80211_sta_ps_sleep(ieee,&th, &tl);
1671 // printk("===>%s,%d[2 wake, 1 sleep, 0 do nothing], ieee->sta_sleep = %d\n",__func__, sleep,ieee->sta_sleep);
1672 /* 2 wake, 1 sleep, 0 do nothing */
1678 if(ieee->sta_sleep == 1)
1679 ieee->enter_sleep_state(ieee->dev,th,tl);
1681 else if(ieee->sta_sleep == 0){
1682 // printk("send null 1\n");
1683 spin_lock_irqsave(&ieee->mgmt_tx_lock, flags2);
1685 if(ieee->ps_is_queue_empty(ieee->dev)){
1688 ieee->sta_sleep = 2;
1690 ieee->ps_request_tx_ack(ieee->dev);
1692 ieee80211_sta_ps_send_null_frame(ieee,1);
1697 spin_unlock_irqrestore(&ieee->mgmt_tx_lock, flags2);
1702 }else if(sleep == 2){
1703 //#warning CHECK_LOCK_HERE
1704 spin_lock_irqsave(&ieee->mgmt_tx_lock, flags2);
1706 // printk("send wakeup packet\n");
1707 ieee80211_sta_wakeup(ieee,1);
1709 spin_unlock_irqrestore(&ieee->mgmt_tx_lock, flags2);
1713 spin_unlock_irqrestore(&ieee->lock, flags);
1717 void ieee80211_sta_wakeup(struct ieee80211_device *ieee, short nl)
1719 if(ieee->sta_sleep == 0){
1721 // printk("Warning: driver is probably failing to report TX ps error\n");
1722 ieee->ps_request_tx_ack(ieee->dev);
1723 ieee80211_sta_ps_send_null_frame(ieee, 0);
1729 if(ieee->sta_sleep == 1)
1730 ieee->sta_wake_up(ieee->dev);
1732 ieee->sta_sleep = 0;
1735 ieee->ps_request_tx_ack(ieee->dev);
1736 ieee80211_sta_ps_send_null_frame(ieee, 0);
1740 void ieee80211_ps_tx_ack(struct ieee80211_device *ieee, short success)
1742 unsigned long flags,flags2;
1744 spin_lock_irqsave(&ieee->lock, flags);
1745 if(ieee->sta_sleep == 2){
1746 /* Null frame with PS bit set */
1749 // printk("==================> %s::enter sleep state\n",__func__);
1750 ieee->sta_sleep = 1;
1751 ieee->enter_sleep_state(ieee->dev,ieee->ps_th,ieee->ps_tl);
1753 /* if the card report not success we can't be sure the AP
1754 * has not RXed so we can't assume the AP believe us awake
1757 /* 21112005 - tx again null without PS bit if lost */
1760 if((ieee->sta_sleep == 0) && !success){
1761 spin_lock_irqsave(&ieee->mgmt_tx_lock, flags2);
1762 ieee80211_sta_ps_send_null_frame(ieee, 0);
1763 spin_unlock_irqrestore(&ieee->mgmt_tx_lock, flags2);
1766 spin_unlock_irqrestore(&ieee->lock, flags);
1770 ieee80211_rx_frame_softmac(struct ieee80211_device *ieee, struct sk_buff *skb,
1771 struct ieee80211_rx_stats *rx_stats, u16 type,
1774 struct ieee80211_hdr_3addr *header = (struct ieee80211_hdr_3addr *) skb->data;
1779 struct ieee80211_assoc_response_frame *assoc_resp;
1780 struct ieee80211_info_element *info_element;
1782 if(!ieee->proto_started)
1785 if(ieee->sta_sleep || (ieee->ps != IEEE80211_PS_DISABLED &&
1786 ieee->iw_mode == IW_MODE_INFRA &&
1787 ieee->state == IEEE80211_LINKED))
1789 tasklet_schedule(&ieee->ps_task);
1791 if (WLAN_FC_GET_STYPE(header->frame_control) != IEEE80211_STYPE_PROBE_RESP &&
1792 WLAN_FC_GET_STYPE(header->frame_control) != IEEE80211_STYPE_BEACON)
1793 ieee->last_rx_ps_time = jiffies;
1795 switch (WLAN_FC_GET_STYPE(header->frame_control)) {
1797 case IEEE80211_STYPE_ASSOC_RESP:
1798 case IEEE80211_STYPE_REASSOC_RESP:
1800 IEEE80211_DEBUG_MGMT("received [RE]ASSOCIATION RESPONSE (%d)\n",
1801 WLAN_FC_GET_STYPE(header->frame_ctl));
1802 if ((ieee->softmac_features & IEEE_SOFTMAC_ASSOCIATE) &&
1803 ieee->state == IEEE80211_ASSOCIATING_AUTHENTICATED &&
1804 ieee->iw_mode == IW_MODE_INFRA){
1805 if (0 == (errcode=assoc_parse(skb, &aid))){
1808 ieee->state=IEEE80211_LINKED;
1809 ieee->assoc_id = aid;
1810 ieee->softmac_stats.rx_ass_ok++;
1812 //printk(KERN_WARNING "nic_type = %s", (rx_stats->nic_type == 1)?"rtl8187":"rtl8187B");
1813 if(1 == rx_stats->nic_type) //card type is 8187
1815 goto associate_complete;
1817 assoc_resp = (struct ieee80211_assoc_response_frame*)skb->data;
1818 info_element = &assoc_resp->info_element;
1819 left = skb->len - ((void*)info_element - (void*)assoc_resp);
1821 while (left >= sizeof(struct ieee80211_info_element_hdr)) {
1822 if (sizeof(struct ieee80211_info_element_hdr) + info_element->len > left) {
1823 printk(KERN_WARNING "[re]associate reeponse error!");
1826 switch (info_element->id) {
1827 case MFIE_TYPE_GENERIC:
1828 IEEE80211_DEBUG_SCAN("MFIE_TYPE_GENERIC: %d bytes\n", info_element->len);
1829 if (info_element->len >= 8 &&
1830 info_element->data[0] == 0x00 &&
1831 info_element->data[1] == 0x50 &&
1832 info_element->data[2] == 0xf2 &&
1833 info_element->data[3] == 0x02 &&
1834 info_element->data[4] == 0x01) {
1835 // Not care about version at present.
1836 //WMM Parameter Element
1837 memcpy(ieee->current_network.wmm_param,(u8*)(info_element->data\
1838 + 8),(info_element->len - 8));
1840 if (((ieee->current_network.wmm_info^info_element->data[6])& \
1841 0x0f)||(!ieee->init_wmmparam_flag)) {
1842 // refresh parameter element for current network
1843 // update the register parameter for hardware
1844 ieee->init_wmmparam_flag = 1;
1845 queue_work(ieee->wq, &ieee->wmm_param_update_wq);
1848 //update info_element for current network
1849 ieee->current_network.wmm_info = info_element->data[6];
1853 //nothing to do at present!!!
1857 left -= sizeof(struct ieee80211_info_element_hdr) +
1859 info_element = (struct ieee80211_info_element *)
1860 &info_element->data[info_element->len];
1862 if(!ieee->init_wmmparam_flag) //legacy AP, reset the AC_xx_param register
1864 queue_work(ieee->wq,&ieee->wmm_param_update_wq);
1865 ieee->init_wmmparam_flag = 1;//indicate AC_xx_param upated since last associate
1868 ieee80211_associate_complete(ieee);
1870 ieee->softmac_stats.rx_ass_err++;
1871 IEEE80211_DEBUG_MGMT(
1872 "Association response status code 0x%x\n",
1874 ieee80211_associate_abort(ieee);
1879 case IEEE80211_STYPE_ASSOC_REQ:
1880 case IEEE80211_STYPE_REASSOC_REQ:
1882 if ((ieee->softmac_features & IEEE_SOFTMAC_ASSOCIATE) &&
1883 ieee->iw_mode == IW_MODE_MASTER)
1885 ieee80211_rx_assoc_rq(ieee, skb);
1888 case IEEE80211_STYPE_AUTH:
1890 if (ieee->softmac_features & IEEE_SOFTMAC_ASSOCIATE){
1891 if (ieee->state == IEEE80211_ASSOCIATING_AUTHENTICATING &&
1892 ieee->iw_mode == IW_MODE_INFRA){
1894 IEEE80211_DEBUG_MGMT("Received authentication response");
1896 if (0 == (errcode=auth_parse(skb, &challenge, &chlen))){
1897 if(ieee->open_wep || !challenge){
1898 ieee->state = IEEE80211_ASSOCIATING_AUTHENTICATED;
1899 ieee->softmac_stats.rx_auth_rs_ok++;
1901 ieee80211_associate_step2(ieee);
1903 ieee80211_rtl_auth_challenge(ieee, challenge, chlen);
1906 ieee->softmac_stats.rx_auth_rs_err++;
1907 IEEE80211_DEBUG_MGMT("Authentication respose status code 0x%x",errcode);
1908 ieee80211_associate_abort(ieee);
1911 }else if (ieee->iw_mode == IW_MODE_MASTER){
1912 ieee80211_rx_auth_rq(ieee, skb);
1917 case IEEE80211_STYPE_PROBE_REQ:
1919 if ((ieee->softmac_features & IEEE_SOFTMAC_PROBERS) &&
1920 ((ieee->iw_mode == IW_MODE_ADHOC ||
1921 ieee->iw_mode == IW_MODE_MASTER) &&
1922 ieee->state == IEEE80211_LINKED))
1924 ieee80211_rx_probe_rq(ieee, skb);
1927 case IEEE80211_STYPE_DISASSOC:
1928 case IEEE80211_STYPE_DEAUTH:
1929 /* FIXME for now repeat all the association procedure
1930 * both for disassociation and deauthentication
1932 if ((ieee->softmac_features & IEEE_SOFTMAC_ASSOCIATE) &&
1933 (ieee->state == IEEE80211_LINKED) &&
1934 (ieee->iw_mode == IW_MODE_INFRA) &&
1935 (!memcmp(header->addr2,ieee->current_network.bssid,ETH_ALEN))){
1936 ieee->state = IEEE80211_ASSOCIATING;
1937 ieee->softmac_stats.reassoc++;
1939 //notify_wx_assoc_event(ieee); //YJ,del,080828, do not notify os here
1940 queue_work(ieee->wq, &ieee->associate_procedure_wq);
1950 //dev_kfree_skb_any(skb);
1956 /* following are for a simplier TX queue management.
1957 * Instead of using netif_[stop/wake]_queue the driver
1958 * will uses these two function (plus a reset one), that
1959 * will internally uses the kernel netif_* and takes
1960 * care of the ieee802.11 fragmentation.
1961 * So the driver receives a fragment per time and might
1962 * call the stop function when it want without take care
1963 * to have enough room to TX an entire packet.
1964 * This might be useful if each fragment need it's own
1965 * descriptor, thus just keep a total free memory > than
1966 * the max fragmentation threshold is not enough.. If the
1967 * ieee802.11 stack passed a TXB struct then you needed
1968 * to keep N free descriptors where
1969 * N = MAX_PACKET_SIZE / MIN_FRAG_TRESHOLD
1970 * In this way you need just one and the 802.11 stack
1971 * will take care of buffering fragments and pass them to
1972 * to the driver later, when it wakes the queue.
1975 void ieee80211_softmac_xmit(struct ieee80211_txb *txb, struct ieee80211_device *ieee)
1979 unsigned long flags;
1982 spin_lock_irqsave(&ieee->lock,flags);
1984 /* called with 2nd parm 0, no tx mgmt lock required */
1985 ieee80211_sta_wakeup(ieee,0);
1987 for(i = 0; i < txb->nr_frags; i++) {
1989 if (ieee->queue_stop){
1990 ieee->tx_pending.txb = txb;
1991 ieee->tx_pending.frag = i;
1994 ieee->softmac_data_hard_start_xmit(
1996 ieee->dev,ieee->rate);
1997 //(i+1)<txb->nr_frags);
1998 ieee->stats.tx_packets++;
1999 ieee->stats.tx_bytes += txb->fragments[i]->len;
2000 ieee->dev->trans_start = jiffies;
2004 ieee80211_txb_free(txb);
2007 spin_unlock_irqrestore(&ieee->lock,flags);
2011 /* called with ieee->lock acquired */
2012 void ieee80211_resume_tx(struct ieee80211_device *ieee)
2015 for(i = ieee->tx_pending.frag; i < ieee->tx_pending.txb->nr_frags; i++) {
2017 if (ieee->queue_stop){
2018 ieee->tx_pending.frag = i;
2022 ieee->softmac_data_hard_start_xmit(
2023 ieee->tx_pending.txb->fragments[i],
2024 ieee->dev,ieee->rate);
2025 //(i+1)<ieee->tx_pending.txb->nr_frags);
2026 ieee->stats.tx_packets++;
2027 ieee->dev->trans_start = jiffies;
2032 ieee80211_txb_free(ieee->tx_pending.txb);
2033 ieee->tx_pending.txb = NULL;
2037 void ieee80211_reset_queue(struct ieee80211_device *ieee)
2039 unsigned long flags;
2041 spin_lock_irqsave(&ieee->lock,flags);
2042 init_mgmt_queue(ieee);
2043 if (ieee->tx_pending.txb){
2044 ieee80211_txb_free(ieee->tx_pending.txb);
2045 ieee->tx_pending.txb = NULL;
2047 ieee->queue_stop = 0;
2048 spin_unlock_irqrestore(&ieee->lock,flags);
2052 void ieee80211_rtl_wake_queue(struct ieee80211_device *ieee)
2055 unsigned long flags;
2056 struct sk_buff *skb;
2057 struct ieee80211_hdr_3addr *header;
2059 spin_lock_irqsave(&ieee->lock,flags);
2060 if (! ieee->queue_stop) goto exit;
2062 ieee->queue_stop = 0;
2064 if(ieee->softmac_features & IEEE_SOFTMAC_SINGLE_QUEUE){
2065 while (!ieee->queue_stop && (skb = dequeue_mgmt(ieee))){
2067 header = (struct ieee80211_hdr_3addr *) skb->data;
2069 header->seq_ctrl = cpu_to_le16(ieee->seq_ctrl[0] << 4);
2071 if (ieee->seq_ctrl[0] == 0xFFF)
2072 ieee->seq_ctrl[0] = 0;
2074 ieee->seq_ctrl[0]++;
2076 //printk(KERN_ALERT "ieee80211_wake_queue \n");
2077 ieee->softmac_data_hard_start_xmit(skb,ieee->dev,ieee->basic_rate);
2078 dev_kfree_skb_any(skb);//edit by thomas
2081 if (!ieee->queue_stop && ieee->tx_pending.txb)
2082 ieee80211_resume_tx(ieee);
2084 if (!ieee->queue_stop && netif_queue_stopped(ieee->dev)){
2085 ieee->softmac_stats.swtxawake++;
2086 netif_wake_queue(ieee->dev);
2090 spin_unlock_irqrestore(&ieee->lock,flags);
2094 void ieee80211_rtl_stop_queue(struct ieee80211_device *ieee)
2096 //unsigned long flags;
2097 //spin_lock_irqsave(&ieee->lock,flags);
2099 if (! netif_queue_stopped(ieee->dev)){
2100 netif_stop_queue(ieee->dev);
2101 ieee->softmac_stats.swtxstop++;
2103 ieee->queue_stop = 1;
2104 //spin_unlock_irqrestore(&ieee->lock,flags);
2109 inline void ieee80211_randomize_cell(struct ieee80211_device *ieee)
2112 get_random_bytes(ieee->current_network.bssid, ETH_ALEN);
2114 /* an IBSS cell address must have the two less significant
2115 * bits of the first byte = 2
2117 ieee->current_network.bssid[0] &= ~0x01;
2118 ieee->current_network.bssid[0] |= 0x02;
2121 /* called in user context only */
2122 void ieee80211_start_master_bss(struct ieee80211_device *ieee)
2126 if (ieee->current_network.ssid_len == 0){
2127 strncpy(ieee->current_network.ssid,
2128 IEEE80211_DEFAULT_TX_ESSID,
2131 ieee->current_network.ssid_len = strlen(IEEE80211_DEFAULT_TX_ESSID);
2135 memcpy(ieee->current_network.bssid, ieee->dev->dev_addr, ETH_ALEN);
2137 ieee->set_chan(ieee->dev, ieee->current_network.channel);
2138 ieee->state = IEEE80211_LINKED;
2139 ieee->link_change(ieee->dev);
2140 notify_wx_assoc_event(ieee);
2142 if (ieee->data_hard_resume)
2143 ieee->data_hard_resume(ieee->dev);
2145 netif_carrier_on(ieee->dev);
2148 void ieee80211_start_monitor_mode(struct ieee80211_device *ieee)
2152 if (ieee->data_hard_resume)
2153 ieee->data_hard_resume(ieee->dev);
2155 netif_carrier_on(ieee->dev);
2159 void ieee80211_start_ibss_wq(struct work_struct *work)
2161 struct delayed_work *dwork = to_delayed_work(work);
2162 struct ieee80211_device *ieee = container_of(dwork, struct ieee80211_device, start_ibss_wq);
2164 /* iwconfig mode ad-hoc will schedule this and return
2165 * on the other hand this will block further iwconfig SET
2166 * operations because of the wx_sem hold.
2167 * Anyway some most set operations set a flag to speed-up
2168 * (abort) this wq (when syncro scanning) before sleeping
2172 down(&ieee->wx_sem);
2175 if (ieee->current_network.ssid_len == 0){
2176 strcpy(ieee->current_network.ssid,IEEE80211_DEFAULT_TX_ESSID);
2177 ieee->current_network.ssid_len = strlen(IEEE80211_DEFAULT_TX_ESSID);
2181 /* check if we have this cell in our network list */
2182 ieee80211_softmac_check_all_nets(ieee);
2184 if(ieee->state == IEEE80211_NOLINK)
2185 ieee->current_network.channel = 10;
2186 /* if not then the state is not linked. Maybe the user swithced to
2187 * ad-hoc mode just after being in monitor mode, or just after
2188 * being very few time in managed mode (so the card have had no
2189 * time to scan all the chans..) or we have just run up the iface
2190 * after setting ad-hoc mode. So we have to give another try..
2191 * Here, in ibss mode, should be safe to do this without extra care
2192 * (in bss mode we had to make sure no-one tryed to associate when
2193 * we had just checked the ieee->state and we was going to start the
2194 * scan) beacause in ibss mode the ieee80211_new_net function, when
2195 * finds a good net, just set the ieee->state to IEEE80211_LINKED,
2196 * so, at worst, we waste a bit of time to initiate an unneeded syncro
2197 * scan, that will stop at the first round because it sees the state
2200 if (ieee->state == IEEE80211_NOLINK)
2201 ieee80211_start_scan_syncro(ieee);
2203 /* the network definitively is not here.. create a new cell */
2204 if (ieee->state == IEEE80211_NOLINK){
2205 printk("creating new IBSS cell\n");
2207 ieee80211_randomize_cell(ieee);
2209 if(ieee->modulation & IEEE80211_CCK_MODULATION){
2211 ieee->current_network.rates_len = 4;
2213 ieee->current_network.rates[0] = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_1MB;
2214 ieee->current_network.rates[1] = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_2MB;
2215 ieee->current_network.rates[2] = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_5MB;
2216 ieee->current_network.rates[3] = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_11MB;
2219 ieee->current_network.rates_len = 0;
2221 if(ieee->modulation & IEEE80211_OFDM_MODULATION){
2222 ieee->current_network.rates_ex_len = 8;
2224 ieee->current_network.rates_ex[0] = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_6MB;
2225 ieee->current_network.rates_ex[1] = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_9MB;
2226 ieee->current_network.rates_ex[2] = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_12MB;
2227 ieee->current_network.rates_ex[3] = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_18MB;
2228 ieee->current_network.rates_ex[4] = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_24MB;
2229 ieee->current_network.rates_ex[5] = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_36MB;
2230 ieee->current_network.rates_ex[6] = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_48MB;
2231 ieee->current_network.rates_ex[7] = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_54MB;
2235 ieee->current_network.rates_ex_len = 0;
2239 // By default, WMM function will be disabled in IBSS mode
2240 ieee->current_network.QoS_Enable = 0;
2242 ieee->current_network.atim_window = 0;
2243 ieee->current_network.capability = WLAN_CAPABILITY_IBSS;
2244 if(ieee->short_slot)
2245 ieee->current_network.capability |= WLAN_CAPABILITY_SHORT_SLOT;
2249 ieee->state = IEEE80211_LINKED;
2250 ieee->set_chan(ieee->dev, ieee->current_network.channel);
2251 ieee->link_change(ieee->dev);
2253 notify_wx_assoc_event(ieee);
2255 ieee80211_start_send_beacons(ieee);
2256 printk(KERN_WARNING "after sending beacon packet!\n");
2258 if (ieee->data_hard_resume)
2259 ieee->data_hard_resume(ieee->dev);
2261 netif_carrier_on(ieee->dev);
2265 inline void ieee80211_start_ibss(struct ieee80211_device *ieee)
2267 queue_delayed_work(ieee->wq, &ieee->start_ibss_wq, 100);
2270 /* this is called only in user context, with wx_sem held */
2271 void ieee80211_start_bss(struct ieee80211_device *ieee)
2273 unsigned long flags;
2275 // Ref: 802.11d 11.1.3.3
2276 // STA shall not start a BSS unless properly formed Beacon frame including a Country IE.
2278 if(IS_DOT11D_ENABLE(ieee) && !IS_COUNTRY_IE_VALID(ieee))
2280 if(! ieee->bGlobalDomain)
2285 /* check if we have already found the net we
2286 * are interested in (if any).
2287 * if not (we are disassociated and we are not
2288 * in associating / authenticating phase) start the background scanning.
2290 ieee80211_softmac_check_all_nets(ieee);
2292 /* ensure no-one start an associating process (thus setting
2293 * the ieee->state to ieee80211_ASSOCIATING) while we
2294 * have just cheked it and we are going to enable scan.
2295 * The ieee80211_new_net function is always called with
2296 * lock held (from both ieee80211_softmac_check_all_nets and
2297 * the rx path), so we cannot be in the middle of such function
2299 spin_lock_irqsave(&ieee->lock, flags);
2302 // printk("start bss ENABLE_IPS\n");
2304 if (ieee->state == IEEE80211_NOLINK){
2305 ieee->actscanning = true;
2306 ieee80211_rtl_start_scan(ieee);
2309 spin_unlock_irqrestore(&ieee->lock, flags);
2312 /* called only in userspace context */
2313 void ieee80211_disassociate(struct ieee80211_device *ieee)
2315 netif_carrier_off(ieee->dev);
2317 if (ieee->softmac_features & IEEE_SOFTMAC_TX_QUEUE)
2318 ieee80211_reset_queue(ieee);
2320 if (ieee->data_hard_stop)
2321 ieee->data_hard_stop(ieee->dev);
2323 if(IS_DOT11D_ENABLE(ieee))
2326 ieee->link_change(ieee->dev);
2327 if (ieee->state == IEEE80211_LINKED)
2328 notify_wx_assoc_event(ieee);
2329 ieee->state = IEEE80211_NOLINK;
2332 void ieee80211_associate_retry_wq(struct work_struct *work)
2334 struct delayed_work *dwork = to_delayed_work(work);
2335 struct ieee80211_device *ieee = container_of(dwork, struct ieee80211_device, associate_retry_wq);
2336 unsigned long flags;
2337 down(&ieee->wx_sem);
2338 if(!ieee->proto_started)
2340 if(ieee->state != IEEE80211_ASSOCIATING_RETRY)
2342 /* until we do not set the state to IEEE80211_NOLINK
2343 * there are no possibility to have someone else trying
2344 * to start an association procdure (we get here with
2345 * ieee->state = IEEE80211_ASSOCIATING).
2346 * When we set the state to IEEE80211_NOLINK it is possible
2347 * that the RX path run an attempt to associate, but
2348 * both ieee80211_softmac_check_all_nets and the
2349 * RX path works with ieee->lock held so there are no
2350 * problems. If we are still disassociated then start a scan.
2351 * the lock here is necessary to ensure no one try to start
2352 * an association procedure when we have just checked the
2353 * state and we are going to start the scan.
2355 ieee->state = IEEE80211_NOLINK;
2356 ieee->beinretry = true;
2357 ieee80211_softmac_check_all_nets(ieee);
2359 spin_lock_irqsave(&ieee->lock, flags);
2361 if(ieee->state == IEEE80211_NOLINK){
2362 ieee->beinretry = false;
2363 ieee->actscanning = true;
2364 ieee80211_rtl_start_scan(ieee);
2366 //YJ,add,080828, notify os here
2367 if(ieee->state == IEEE80211_NOLINK)
2369 notify_wx_assoc_event(ieee);
2372 spin_unlock_irqrestore(&ieee->lock, flags);
2378 struct sk_buff *ieee80211_get_beacon_(struct ieee80211_device *ieee)
2380 u8 broadcast_addr[] = {0xff,0xff,0xff,0xff,0xff,0xff};
2382 struct sk_buff *skb = NULL;
2383 struct ieee80211_probe_response *b;
2385 skb = ieee80211_probe_resp(ieee, broadcast_addr);
2389 b = (struct ieee80211_probe_response *) skb->data;
2390 b->header.frame_ctl = cpu_to_le16(IEEE80211_STYPE_BEACON);
2396 struct sk_buff *ieee80211_get_beacon(struct ieee80211_device *ieee)
2398 struct sk_buff *skb;
2399 struct ieee80211_probe_response *b;
2401 skb = ieee80211_get_beacon_(ieee);
2405 b = (struct ieee80211_probe_response *) skb->data;
2406 b->header.seq_ctrl = cpu_to_le16(ieee->seq_ctrl[0] << 4);
2408 if (ieee->seq_ctrl[0] == 0xFFF)
2409 ieee->seq_ctrl[0] = 0;
2411 ieee->seq_ctrl[0]++;
2416 void ieee80211_softmac_stop_protocol(struct ieee80211_device *ieee)
2418 ieee->sync_scan_hurryup = 1;
2419 down(&ieee->wx_sem);
2420 ieee80211_stop_protocol(ieee);
2425 void ieee80211_stop_protocol(struct ieee80211_device *ieee)
2427 if (!ieee->proto_started)
2430 ieee->proto_started = 0;
2432 ieee80211_stop_send_beacons(ieee);
2433 if((ieee->iw_mode == IW_MODE_INFRA)&&(ieee->state == IEEE80211_LINKED)) {
2434 SendDisassociation(ieee,NULL,WLAN_REASON_DISASSOC_STA_HAS_LEFT);
2436 del_timer_sync(&ieee->associate_timer);
2437 cancel_delayed_work(&ieee->associate_retry_wq);
2438 cancel_delayed_work(&ieee->start_ibss_wq);
2439 ieee80211_stop_scan(ieee);
2441 ieee80211_disassociate(ieee);
2444 void ieee80211_softmac_start_protocol(struct ieee80211_device *ieee)
2446 ieee->sync_scan_hurryup = 0;
2447 down(&ieee->wx_sem);
2448 ieee80211_start_protocol(ieee);
2452 void ieee80211_start_protocol(struct ieee80211_device *ieee)
2457 if (ieee->proto_started)
2460 ieee->proto_started = 1;
2462 if (ieee->current_network.channel == 0){
2465 if (ch > MAX_CHANNEL_NUMBER)
2466 return; /* no channel found */
2468 }while(!GET_DOT11D_INFO(ieee)->channel_map[ch]);
2470 ieee->current_network.channel = ch;
2473 if (ieee->current_network.beacon_interval == 0)
2474 ieee->current_network.beacon_interval = 100;
2475 ieee->set_chan(ieee->dev,ieee->current_network.channel);
2477 for(i = 0; i < 17; i++) {
2478 ieee->last_rxseq_num[i] = -1;
2479 ieee->last_rxfrag_num[i] = -1;
2480 ieee->last_packet_time[i] = 0;
2483 ieee->init_wmmparam_flag = 0;//reinitialize AC_xx_PARAM registers.
2486 /* if the user set the MAC of the ad-hoc cell and then
2487 * switch to managed mode, shall we make sure that association
2488 * attempts does not fail just because the user provide the essid
2489 * and the nic is still checking for the AP MAC ??
2491 switch (ieee->iw_mode) {
2493 ieee->iw_mode = IW_MODE_INFRA;
2494 //not set break here intentionly
2496 ieee80211_start_bss(ieee);
2500 ieee80211_start_ibss(ieee);
2503 case IW_MODE_MASTER:
2504 ieee80211_start_master_bss(ieee);
2507 case IW_MODE_MONITOR:
2508 ieee80211_start_monitor_mode(ieee);
2512 ieee->iw_mode = IW_MODE_INFRA;
2513 ieee80211_start_bss(ieee);
2519 #define DRV_NAME "Ieee80211"
2520 void ieee80211_softmac_init(struct ieee80211_device *ieee)
2523 memset(&ieee->current_network, 0, sizeof(struct ieee80211_network));
2525 ieee->state = IEEE80211_NOLINK;
2526 ieee->sync_scan_hurryup = 0;
2527 for(i = 0; i < 5; i++) {
2528 ieee->seq_ctrl[i] = 0;
2532 ieee->queue_stop = 0;
2534 ieee->softmac_features = 0; //so IEEE2100-like driver are happy
2537 ieee->proto_started = 0;
2538 ieee->basic_rate = IEEE80211_DEFAULT_BASIC_RATE;
2541 ieee->ps = IEEE80211_PS_MBCAST|IEEE80211_PS_UNICAST;
2543 // ieee->ps = IEEE80211_PS_DISABLED;
2545 ieee->sta_sleep = 0;
2547 ieee->bInactivePs = false;
2548 ieee->actscanning = false;
2549 ieee->ListenInterval = 2;
2550 ieee->NumRxDataInPeriod = 0; //YJ,add,080828
2551 ieee->NumRxBcnInPeriod = 0; //YJ,add,080828
2552 ieee->NumRxOkTotal = 0;//+by amy 080312
2553 ieee->NumRxUnicast = 0;//YJ,add,080828,for keep alive
2554 ieee->beinretry = false;
2555 ieee->bHwRadioOff = false;
2558 init_mgmt_queue(ieee);
2560 ieee->tx_pending.txb = NULL;
2562 init_timer(&ieee->associate_timer);
2563 ieee->associate_timer.data = (unsigned long)ieee;
2564 ieee->associate_timer.function = ieee80211_associate_abort_cb;
2566 init_timer(&ieee->beacon_timer);
2567 ieee->beacon_timer.data = (unsigned long) ieee;
2568 ieee->beacon_timer.function = ieee80211_send_beacon_cb;
2570 #ifdef PF_SYNCTHREAD
2571 ieee->wq = create_workqueue(DRV_NAME,0);
2573 ieee->wq = create_workqueue(DRV_NAME);
2575 INIT_DELAYED_WORK(&ieee->start_ibss_wq,(void*) ieee80211_start_ibss_wq);
2576 INIT_WORK(&ieee->associate_complete_wq,(void*) ieee80211_associate_complete_wq);
2577 INIT_WORK(&ieee->associate_procedure_wq,(void*) ieee80211_associate_procedure_wq);
2578 INIT_DELAYED_WORK(&ieee->softmac_scan_wq,(void*) ieee80211_softmac_scan_wq);
2579 INIT_DELAYED_WORK(&ieee->associate_retry_wq,(void*) ieee80211_associate_retry_wq);
2580 INIT_WORK(&ieee->wx_sync_scan_wq,(void*) ieee80211_wx_sync_scan_wq);
2581 // INIT_WORK(&ieee->watch_dog_wq,(void*) ieee80211_watch_dog_wq);
2583 sema_init(&ieee->wx_sem, 1);
2584 sema_init(&ieee->scan_sem, 1);
2586 spin_lock_init(&ieee->mgmt_tx_lock);
2587 spin_lock_init(&ieee->beacon_lock);
2589 tasklet_init(&ieee->ps_task,
2590 (void(*)(unsigned long)) ieee80211_sta_ps,
2591 (unsigned long)ieee);
2592 ieee->pDot11dInfo = kmalloc(sizeof(RT_DOT11D_INFO), GFP_ATOMIC);
2595 void ieee80211_softmac_free(struct ieee80211_device *ieee)
2597 down(&ieee->wx_sem);
2599 del_timer_sync(&ieee->associate_timer);
2600 cancel_delayed_work(&ieee->associate_retry_wq);
2603 //add for RF power on power of by lizhaoming 080512
2604 cancel_delayed_work(&ieee->GPIOChangeRFWorkItem);
2606 destroy_workqueue(ieee->wq);
2607 if(NULL != ieee->pDot11dInfo)
2608 kfree(ieee->pDot11dInfo);
2612 /********************************************************
2613 * Start of WPA code. *
2614 * this is stolen from the ipw2200 driver *
2615 ********************************************************/
2618 static int ieee80211_wpa_enable(struct ieee80211_device *ieee, int value)
2620 /* This is called when wpa_supplicant loads and closes the driver
2622 printk("%s WPA\n",value ? "enabling" : "disabling");
2623 ieee->wpa_enabled = value;
2628 void ieee80211_wpa_assoc_frame(struct ieee80211_device *ieee, char *wpa_ie, int wpa_ie_len)
2630 /* make sure WPA is enabled */
2631 ieee80211_wpa_enable(ieee, 1);
2633 ieee80211_disassociate(ieee);
2637 static int ieee80211_wpa_mlme(struct ieee80211_device *ieee, int command, int reason)
2643 case IEEE_MLME_STA_DEAUTH:
2647 case IEEE_MLME_STA_DISASSOC:
2648 ieee80211_disassociate(ieee);
2652 printk("Unknown MLME request: %d\n", command);
2660 static int ieee80211_wpa_set_wpa_ie(struct ieee80211_device *ieee,
2661 struct ieee_param *param, int plen)
2665 if (param->u.wpa_ie.len > MAX_WPA_IE_LEN ||
2666 (param->u.wpa_ie.len && param->u.wpa_ie.data == NULL))
2669 if (param->u.wpa_ie.len) {
2670 buf = kmemdup(param->u.wpa_ie.data, param->u.wpa_ie.len,
2675 kfree(ieee->wpa_ie);
2677 ieee->wpa_ie_len = param->u.wpa_ie.len;
2679 kfree(ieee->wpa_ie);
2680 ieee->wpa_ie = NULL;
2681 ieee->wpa_ie_len = 0;
2684 ieee80211_wpa_assoc_frame(ieee, ieee->wpa_ie, ieee->wpa_ie_len);
2688 #define AUTH_ALG_OPEN_SYSTEM 0x1
2689 #define AUTH_ALG_SHARED_KEY 0x2
2691 static int ieee80211_wpa_set_auth_algs(struct ieee80211_device *ieee, int value)
2694 struct ieee80211_security sec = {
2695 .flags = SEC_AUTH_MODE,
2699 if (value & AUTH_ALG_SHARED_KEY) {
2700 sec.auth_mode = WLAN_AUTH_SHARED_KEY;
2703 sec.auth_mode = WLAN_AUTH_OPEN;
2707 if (ieee->set_security)
2708 ieee->set_security(ieee->dev, &sec);
2715 static int ieee80211_wpa_set_param(struct ieee80211_device *ieee, u8 name, u32 value)
2718 unsigned long flags;
2721 case IEEE_PARAM_WPA_ENABLED:
2722 ret = ieee80211_wpa_enable(ieee, value);
2725 case IEEE_PARAM_TKIP_COUNTERMEASURES:
2726 ieee->tkip_countermeasures=value;
2729 case IEEE_PARAM_DROP_UNENCRYPTED: {
2732 * wpa_supplicant calls set_wpa_enabled when the driver
2733 * is loaded and unloaded, regardless of if WPA is being
2734 * used. No other calls are made which can be used to
2735 * determine if encryption will be used or not prior to
2736 * association being expected. If encryption is not being
2737 * used, drop_unencrypted is set to false, else true -- we
2738 * can use this to determine if the CAP_PRIVACY_ON bit should
2741 struct ieee80211_security sec = {
2742 .flags = SEC_ENABLED,
2745 ieee->drop_unencrypted = value;
2746 /* We only change SEC_LEVEL for open mode. Others
2747 * are set by ipw_wpa_set_encryption.
2750 sec.flags |= SEC_LEVEL;
2751 sec.level = SEC_LEVEL_0;
2754 sec.flags |= SEC_LEVEL;
2755 sec.level = SEC_LEVEL_1;
2757 if (ieee->set_security)
2758 ieee->set_security(ieee->dev, &sec);
2762 case IEEE_PARAM_PRIVACY_INVOKED:
2763 ieee->privacy_invoked=value;
2766 case IEEE_PARAM_AUTH_ALGS:
2767 ret = ieee80211_wpa_set_auth_algs(ieee, value);
2770 case IEEE_PARAM_IEEE_802_1X:
2771 ieee->ieee802_1x=value;
2773 case IEEE_PARAM_WPAX_SELECT:
2774 // added for WPA2 mixed mode
2775 //printk(KERN_WARNING "------------------------>wpax value = %x\n", value);
2776 spin_lock_irqsave(&ieee->wpax_suitlist_lock,flags);
2777 ieee->wpax_type_set = 1;
2778 ieee->wpax_type_notify = value;
2779 spin_unlock_irqrestore(&ieee->wpax_suitlist_lock,flags);
2783 printk("Unknown WPA param: %d\n",name);
2790 /* implementation borrowed from hostap driver */
2792 static int ieee80211_wpa_set_encryption(struct ieee80211_device *ieee,
2793 struct ieee_param *param, int param_len)
2797 struct ieee80211_crypto_ops *ops;
2798 struct ieee80211_crypt_data **crypt;
2800 struct ieee80211_security sec = {
2804 param->u.crypt.err = 0;
2805 param->u.crypt.alg[IEEE_CRYPT_ALG_NAME_LEN - 1] = '\0';
2808 (int) ((char *) param->u.crypt.key - (char *) param) +
2809 param->u.crypt.key_len) {
2810 printk("Len mismatch %d, %d\n", param_len,
2811 param->u.crypt.key_len);
2814 if (param->sta_addr[0] == 0xff && param->sta_addr[1] == 0xff &&
2815 param->sta_addr[2] == 0xff && param->sta_addr[3] == 0xff &&
2816 param->sta_addr[4] == 0xff && param->sta_addr[5] == 0xff) {
2817 if (param->u.crypt.idx >= WEP_KEYS)
2819 crypt = &ieee->crypt[param->u.crypt.idx];
2824 if (strcmp(param->u.crypt.alg, "none") == 0) {
2829 sec.level = SEC_LEVEL_0;
2830 sec.flags |= SEC_ENABLED | SEC_LEVEL;
2831 ieee80211_crypt_delayed_deinit(ieee, crypt);
2838 sec.flags |= SEC_ENABLED;
2840 /* IPW HW cannot build TKIP MIC, host decryption still needed. */
2841 if (!(ieee->host_encrypt || ieee->host_decrypt) &&
2842 strcmp(param->u.crypt.alg, "TKIP"))
2843 goto skip_host_crypt;
2845 ops = ieee80211_get_crypto_ops(param->u.crypt.alg);
2846 if (ops == NULL && strcmp(param->u.crypt.alg, "WEP") == 0)
2847 ops = ieee80211_get_crypto_ops(param->u.crypt.alg);
2848 else if (ops == NULL && strcmp(param->u.crypt.alg, "TKIP") == 0)
2849 ops = ieee80211_get_crypto_ops(param->u.crypt.alg);
2850 else if (ops == NULL && strcmp(param->u.crypt.alg, "CCMP") == 0)
2851 ops = ieee80211_get_crypto_ops(param->u.crypt.alg);
2853 printk("unknown crypto alg '%s'\n", param->u.crypt.alg);
2854 param->u.crypt.err = IEEE_CRYPT_ERR_UNKNOWN_ALG;
2859 if (*crypt == NULL || (*crypt)->ops != ops) {
2860 struct ieee80211_crypt_data *new_crypt;
2862 ieee80211_crypt_delayed_deinit(ieee, crypt);
2864 new_crypt = kmalloc(sizeof(*new_crypt), GFP_KERNEL);
2865 if (new_crypt == NULL) {
2869 memset(new_crypt, 0, sizeof(struct ieee80211_crypt_data));
2870 new_crypt->ops = ops;
2873 new_crypt->ops->init(param->u.crypt.idx);
2875 if (new_crypt->priv == NULL) {
2877 param->u.crypt.err = IEEE_CRYPT_ERR_CRYPT_INIT_FAILED;
2885 if (param->u.crypt.key_len > 0 && (*crypt)->ops->set_key &&
2886 (*crypt)->ops->set_key(param->u.crypt.key,
2887 param->u.crypt.key_len, param->u.crypt.seq,
2888 (*crypt)->priv) < 0) {
2889 printk("key setting failed\n");
2890 param->u.crypt.err = IEEE_CRYPT_ERR_KEY_SET_FAILED;
2896 if (param->u.crypt.set_tx) {
2897 ieee->tx_keyidx = param->u.crypt.idx;
2898 sec.active_key = param->u.crypt.idx;
2899 sec.flags |= SEC_ACTIVE_KEY;
2901 sec.flags &= ~SEC_ACTIVE_KEY;
2903 if (param->u.crypt.alg != NULL) {
2904 memcpy(sec.keys[param->u.crypt.idx],
2906 param->u.crypt.key_len);
2907 sec.key_sizes[param->u.crypt.idx] = param->u.crypt.key_len;
2908 sec.flags |= (1 << param->u.crypt.idx);
2910 if (strcmp(param->u.crypt.alg, "WEP") == 0) {
2911 sec.flags |= SEC_LEVEL;
2912 sec.level = SEC_LEVEL_1;
2913 } else if (strcmp(param->u.crypt.alg, "TKIP") == 0) {
2914 sec.flags |= SEC_LEVEL;
2915 sec.level = SEC_LEVEL_2;
2916 } else if (strcmp(param->u.crypt.alg, "CCMP") == 0) {
2917 sec.flags |= SEC_LEVEL;
2918 sec.level = SEC_LEVEL_3;
2922 if (ieee->set_security)
2923 ieee->set_security(ieee->dev, &sec);
2925 /* Do not reset port if card is in Managed mode since resetting will
2926 * generate new IEEE 802.11 authentication which may end up in looping
2927 * with IEEE 802.1X. If your hardware requires a reset after WEP
2928 * configuration (for example... Prism2), implement the reset_port in
2929 * the callbacks structures used to initialize the 802.11 stack. */
2930 if (ieee->reset_on_keychange &&
2931 ieee->iw_mode != IW_MODE_INFRA &&
2933 ieee->reset_port(ieee->dev)) {
2934 printk("reset_port failed\n");
2935 param->u.crypt.err = IEEE_CRYPT_ERR_CARD_CONF_FAILED;
2942 int ieee80211_wpa_supplicant_ioctl(struct ieee80211_device *ieee, struct iw_point *p)
2944 struct ieee_param *param;
2947 down(&ieee->wx_sem);
2948 //IEEE_DEBUG_INFO("wpa_supplicant: len=%d\n", p->length);
2950 if (p->length < sizeof(struct ieee_param) || !p->pointer){
2955 param = kmalloc(p->length, GFP_KERNEL);
2960 if (copy_from_user(param, p->pointer, p->length)) {
2966 switch (param->cmd) {
2968 case IEEE_CMD_SET_WPA_PARAM:
2969 ret = ieee80211_wpa_set_param(ieee, param->u.wpa_param.name,
2970 param->u.wpa_param.value);
2973 case IEEE_CMD_SET_WPA_IE:
2974 ret = ieee80211_wpa_set_wpa_ie(ieee, param, p->length);
2977 case IEEE_CMD_SET_ENCRYPTION:
2978 ret = ieee80211_wpa_set_encryption(ieee, param, p->length);
2982 ret = ieee80211_wpa_mlme(ieee, param->u.mlme.command,
2983 param->u.mlme.reason_code);
2987 printk("Unknown WPA supplicant request: %d\n",param->cmd);
2992 if (ret == 0 && copy_to_user(p->pointer, param, p->length))
3002 void notify_wx_assoc_event(struct ieee80211_device *ieee)
3004 union iwreq_data wrqu;
3005 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
3006 if (ieee->state == IEEE80211_LINKED)
3007 memcpy(wrqu.ap_addr.sa_data, ieee->current_network.bssid, ETH_ALEN);
3009 memset(wrqu.ap_addr.sa_data, 0, ETH_ALEN);
3010 wireless_send_event(ieee->dev, SIOCGIWAP, &wrqu, NULL);