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>
28 u8 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
37 short ieee80211_is_54g(struct ieee80211_network net)
39 return ((net.rates_ex_len > 0) || (net.rates_len > 4));
42 short ieee80211_is_shortslot(struct ieee80211_network net)
44 return (net.capability & WLAN_CAPABILITY_SHORT_SLOT);
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
51 unsigned int ieee80211_MFIE_rate_len(struct ieee80211_device *ieee)
53 unsigned int rate_len = 0;
55 if (ieee->modulation & IEEE80211_CCK_MODULATION)
56 rate_len = IEEE80211_CCK_RATE_LEN + 2;
58 if (ieee->modulation & IEEE80211_OFDM_MODULATION)
60 rate_len += IEEE80211_OFDM_RATE_LEN + 2;
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.
69 void ieee80211_MFIE_Brate(struct ieee80211_device *ieee, u8 **tag_p)
73 if (ieee->modulation & IEEE80211_CCK_MODULATION){
74 *tag++ = MFIE_TYPE_RATES;
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;
82 /* We may add an option for custom rates that specific HW might support */
86 void ieee80211_MFIE_Grate(struct ieee80211_device *ieee, u8 **tag_p)
90 if (ieee->modulation & IEEE80211_OFDM_MODULATION){
92 *tag++ = MFIE_TYPE_RATES_EX;
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;
105 /* We may add an option for custom rates that specific HW might support */
110 void ieee80211_WMM_Info(struct ieee80211_device *ieee, u8 **tag_p) {
113 *tag++ = MFIE_TYPE_GENERIC; //0
122 if(ieee->current_network.wmm_info & 0x80) {
123 *tag++ = 0x0f|MAX_SP_Len;
134 void ieee80211_TURBO_Info(struct ieee80211_device *ieee, u8 **tag_p) {
137 *tag++ = MFIE_TYPE_GENERIC; //0
148 printk(KERN_ALERT "This is enable turbo mode IE process\n");
152 void enqueue_mgmt(struct ieee80211_device *ieee, struct sk_buff *skb)
155 nh = (ieee->mgmt_queue_head +1) % MGMT_QUEUE_NUM;
158 * if the queue is full but we have newer frames then
159 * just overwrites the oldest.
161 * if (nh == ieee->mgmt_queue_tail)
164 ieee->mgmt_queue_head = nh;
165 ieee->mgmt_queue_ring[nh] = skb;
170 struct sk_buff *dequeue_mgmt(struct ieee80211_device *ieee)
174 if(ieee->mgmt_queue_tail == ieee->mgmt_queue_head)
177 ret = ieee->mgmt_queue_ring[ieee->mgmt_queue_tail];
179 ieee->mgmt_queue_tail =
180 (ieee->mgmt_queue_tail+1) % MGMT_QUEUE_NUM;
185 void init_mgmt_queue(struct ieee80211_device *ieee)
187 ieee->mgmt_queue_tail = ieee->mgmt_queue_head = 0;
190 u8 MgntQuery_MgntFrameTxRate(struct ieee80211_device *ieee)
192 PRT_HIGH_THROUGHPUT pHTInfo = ieee->pHTInfo;
195 // 2008/01/25 MH For broadcom, MGNT frame set as OFDM 6M.
196 if(pHTInfo->IOTAction & HT_IOT_ACT_MGNT_USE_CCK_6M)
199 rate = ieee->basic_rate & 0x7f;
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))
212 // Data rate of ProbeReq is already decided. Annie, 2005-03-31
213 if( pMgntInfo->bScanInProgress || (pMgntInfo->bDualModeScanStep!=0) )
215 if(pMgntInfo->dot11CurrentWirelessMode==WIRELESS_MODE_A)
225 void ieee80211_sta_wakeup(struct ieee80211_device *ieee, short nl);
227 inline void softmac_mgmt_xmit(struct sk_buff *skb, struct ieee80211_device *ieee)
230 short single = ieee->softmac_features & IEEE_SOFTMAC_SINGLE_QUEUE;
231 struct ieee80211_hdr_3addr *header=
232 (struct ieee80211_hdr_3addr *) skb->data;
234 cb_desc *tcb_desc = (cb_desc *)(skb->cb + 8);
235 spin_lock_irqsave(&ieee->lock, flags);
237 /* called with 2nd param 0, no mgmt lock required */
238 ieee80211_sta_wakeup(ieee,0);
240 tcb_desc->queue_index = MGNT_QUEUE;
241 tcb_desc->data_rate = MgntQuery_MgntFrameTxRate(ieee);
242 tcb_desc->RATRIndex = 7;
243 tcb_desc->bTxDisableRateFallBack = 1;
244 tcb_desc->bTxUseDriverAssingedRate = 1;
247 if(ieee->queue_stop){
248 enqueue_mgmt(ieee,skb);
250 header->seq_ctl = 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);
260 //dev_kfree_skb_any(skb);//edit by thomas
263 spin_unlock_irqrestore(&ieee->lock, flags);
265 spin_unlock_irqrestore(&ieee->lock, flags);
266 spin_lock_irqsave(&ieee->mgmt_tx_lock, flags);
268 header->seq_ctl = cpu_to_le16(ieee->seq_ctrl[0] << 4);
270 if (ieee->seq_ctrl[0] == 0xFFF)
271 ieee->seq_ctrl[0] = 0;
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.
283 printk("%s():insert to waitqueue!\n",__FUNCTION__);
284 skb_queue_tail(&ieee->skb_waitQ[tcb_desc->queue_index], skb);
286 //printk("TX packet!\n");
287 ieee->softmac_hard_start_xmit(skb,ieee->dev);
288 //dev_kfree_skb_any(skb);//edit by thomas
290 spin_unlock_irqrestore(&ieee->mgmt_tx_lock, flags);
294 inline void softmac_ps_mgmt_xmit(struct sk_buff *skb, struct ieee80211_device *ieee)
297 short single = ieee->softmac_features & IEEE_SOFTMAC_SINGLE_QUEUE;
298 struct ieee80211_hdr_3addr *header =
299 (struct ieee80211_hdr_3addr *) skb->data;
304 header->seq_ctl = cpu_to_le16(ieee->seq_ctrl[0] << 4);
306 if (ieee->seq_ctrl[0] == 0xFFF)
307 ieee->seq_ctrl[0] = 0;
311 /* avoid watchdog triggers */
312 ieee->dev->trans_start = jiffies;
313 ieee->softmac_data_hard_start_xmit(skb,ieee->dev,ieee->basic_rate);
317 header->seq_ctl = cpu_to_le16(ieee->seq_ctrl[0] << 4);
319 if (ieee->seq_ctrl[0] == 0xFFF)
320 ieee->seq_ctrl[0] = 0;
324 ieee->softmac_hard_start_xmit(skb,ieee->dev);
327 //dev_kfree_skb_any(skb);//edit by thomas
330 inline struct sk_buff *ieee80211_probe_req(struct ieee80211_device *ieee)
332 unsigned int len,rate_len;
335 struct ieee80211_probe_request *req;
337 len = ieee->current_network.ssid_len;
339 rate_len = ieee80211_MFIE_rate_len(ieee);
341 skb = dev_alloc_skb(sizeof(struct ieee80211_probe_request) +
342 2 + len + rate_len + ieee->tx_headroom);
346 skb_reserve(skb, ieee->tx_headroom);
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 ?
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);
356 tag = (u8 *) skb_put(skb,len+2+rate_len);
358 *tag++ = MFIE_TYPE_SSID;
360 memcpy(tag, ieee->current_network.ssid, len);
363 ieee80211_MFIE_Brate(ieee,&tag);
364 ieee80211_MFIE_Grate(ieee,&tag);
368 struct sk_buff *ieee80211_get_beacon_(struct ieee80211_device *ieee);
369 void ieee80211_send_beacon(struct ieee80211_device *ieee)
374 //unsigned long flags;
375 skb = ieee80211_get_beacon_(ieee);
378 softmac_mgmt_xmit(skb, ieee);
379 ieee->softmac_stats.tx_beacons++;
380 //dev_kfree_skb_any(skb);//edit by thomas
382 // ieee->beacon_timer.expires = jiffies +
383 // (MSECS( ieee->current_network.beacon_interval -5));
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)));
391 //spin_unlock_irqrestore(&ieee->beacon_lock,flags);
395 void ieee80211_send_beacon_cb(unsigned long _ieee)
397 struct ieee80211_device *ieee =
398 (struct ieee80211_device *) _ieee;
401 spin_lock_irqsave(&ieee->beacon_lock, flags);
402 ieee80211_send_beacon(ieee);
403 spin_unlock_irqrestore(&ieee->beacon_lock, flags);
407 void ieee80211_send_probe(struct ieee80211_device *ieee)
411 skb = ieee80211_probe_req(ieee);
413 softmac_mgmt_xmit(skb, ieee);
414 ieee->softmac_stats.tx_probe_rq++;
415 //dev_kfree_skb_any(skb);//edit by thomas
419 void ieee80211_send_probe_requests(struct ieee80211_device *ieee)
421 if (ieee->active_scan && (ieee->softmac_features & IEEE_SOFTMAC_PROBERQ)){
422 ieee80211_send_probe(ieee);
423 ieee80211_send_probe(ieee);
427 /* this performs syncro scan blocking the caller until all channels
428 * in the allowed channel map has been checked.
430 void ieee80211_softmac_scan_syncro(struct ieee80211_device *ieee)
434 u8 channel_map[MAX_CHANNEL_NUMBER+1];
435 memcpy(channel_map, GET_DOT11D_INFO(ieee)->channel_map, MAX_CHANNEL_NUMBER+1);
437 down(&ieee->scan_sem);
444 if (ch > MAX_CHANNEL_NUMBER)
445 goto out; /* scan completed */
447 }while(!channel_map[ch]);
449 }while(!ieee->channel_map[ch]);
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
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
471 if (ieee->state == IEEE80211_LINKED)
473 ieee->set_chan(ieee->dev, ch);
475 if(channel_map[ch] == 1)
477 ieee80211_send_probe_requests(ieee);
479 /* this prevent excessive time wait when we
480 * need to wait for a syncro scan to end..
482 if(ieee->state < IEEE80211_LINKED)
485 if (ieee->sync_scan_hurryup)
489 msleep_interruptible_rsl(IEEE80211_SOFTMAC_SCAN_TIME);
493 if(ieee->state < IEEE80211_LINKED){
494 ieee->actscanning = false;
498 ieee->sync_scan_hurryup = 0;
500 if(IS_DOT11D_ENABLE(ieee))
501 DOT11D_ScanComplete(ieee);
508 void ieee80211_softmac_scan_wq(struct work_struct *work)
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);
512 static short watchdog = 0;
514 u8 channel_map[MAX_CHANNEL_NUMBER+1];
515 memcpy(channel_map, GET_DOT11D_INFO(ieee)->channel_map, MAX_CHANNEL_NUMBER+1);
519 down(&ieee->scan_sem);
521 ieee->current_network.channel =
522 (ieee->current_network.channel + 1) % MAX_CHANNEL_NUMBER;
523 if (watchdog++ > MAX_CHANNEL_NUMBER)
525 //if current channel is not in channel map, set to default channel.
527 if (!channel_map[ieee->current_network.channel]);
529 if (!ieee->channel_map[ieee->current_network.channel]);
531 ieee->current_network.channel = 6;
532 goto out; /* no good chans */
535 }while(!channel_map[ieee->current_network.channel]);
537 }while(!ieee->channel_map[ieee->current_network.channel]);
539 if (ieee->scanning == 0 )
541 ieee->set_chan(ieee->dev, ieee->current_network.channel);
543 if(channel_map[ieee->current_network.channel] == 1)
545 ieee80211_send_probe_requests(ieee);
548 queue_delayed_work(ieee->wq, &ieee->softmac_scan_wq, IEEE80211_SOFTMAC_SCAN_TIME);
554 if(IS_DOT11D_ENABLE(ieee))
555 DOT11D_ScanComplete(ieee);
557 ieee->actscanning = false;
565 void ieee80211_beacons_start(struct ieee80211_device *ieee)
568 spin_lock_irqsave(&ieee->beacon_lock,flags);
570 ieee->beacon_txing = 1;
571 ieee80211_send_beacon(ieee);
573 spin_unlock_irqrestore(&ieee->beacon_lock,flags);
576 void ieee80211_beacons_stop(struct ieee80211_device *ieee)
580 spin_lock_irqsave(&ieee->beacon_lock,flags);
582 ieee->beacon_txing = 0;
583 del_timer_sync(&ieee->beacon_timer);
585 spin_unlock_irqrestore(&ieee->beacon_lock,flags);
590 void ieee80211_stop_send_beacons(struct ieee80211_device *ieee)
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);
599 void ieee80211_start_send_beacons(struct ieee80211_device *ieee)
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);
608 void ieee80211_softmac_stop_scan(struct ieee80211_device *ieee)
610 // unsigned long flags;
612 //ieee->sync_scan_hurryup = 1;
614 down(&ieee->scan_sem);
615 // spin_lock_irqsave(&ieee->lock, flags);
617 if (ieee->scanning == 1){
620 cancel_delayed_work(&ieee->softmac_scan_wq);
623 // spin_unlock_irqrestore(&ieee->lock, flags);
627 void ieee80211_stop_scan(struct ieee80211_device *ieee)
629 if (ieee->softmac_features & IEEE_SOFTMAC_SCAN)
630 ieee80211_softmac_stop_scan(ieee);
632 ieee->stop_scan(ieee->dev);
635 /* called with ieee->lock held */
636 void ieee80211_start_scan(struct ieee80211_device *ieee)
639 if(IS_DOT11D_ENABLE(ieee) )
641 if(IS_COUNTRY_IE_VALID(ieee))
643 RESET_CIE_WATCHDOG(ieee);
647 if (ieee->softmac_features & IEEE_SOFTMAC_SCAN){
648 if (ieee->scanning == 0){
650 queue_delayed_work(ieee->wq, &ieee->softmac_scan_wq, 0);
653 ieee->start_scan(ieee->dev);
657 /* called with wx_sem held */
658 void ieee80211_start_scan_syncro(struct ieee80211_device *ieee)
661 if(IS_DOT11D_ENABLE(ieee) )
663 if(IS_COUNTRY_IE_VALID(ieee))
665 RESET_CIE_WATCHDOG(ieee);
669 ieee->sync_scan_hurryup = 0;
670 if (ieee->softmac_features & IEEE_SOFTMAC_SCAN)
671 ieee80211_softmac_scan_syncro(ieee);
673 ieee->scan_syncro(ieee->dev);
677 inline struct sk_buff *ieee80211_authentication_req(struct ieee80211_network *beacon,
678 struct ieee80211_device *ieee, int challengelen)
681 struct ieee80211_authentication *auth;
682 int len = sizeof(struct ieee80211_authentication) + challengelen + ieee->tx_headroom;
685 skb = dev_alloc_skb(len);
686 if (!skb) return NULL;
688 skb_reserve(skb, ieee->tx_headroom);
689 auth = (struct ieee80211_authentication *)
690 skb_put(skb, sizeof(struct ieee80211_authentication));
692 auth->header.frame_ctl = IEEE80211_STYPE_AUTH;
693 if (challengelen) auth->header.frame_ctl |= IEEE80211_FCTL_WEP;
695 auth->header.duration_id = 0x013a; //FIXME
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);
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++;
712 auth->status = cpu_to_le16(WLAN_STATUS_SUCCESS);
719 static struct sk_buff* ieee80211_probe_resp(struct ieee80211_device *ieee, u8 *dest)
723 struct ieee80211_probe_response *beacon_buf;
724 struct sk_buff *skb = NULL;
726 int atim_len,erp_len;
727 struct ieee80211_crypt_data* crypt;
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;
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;
744 if(rate_ex_len > 0) rate_ex_len+=2;
746 if(ieee->current_network.capability & WLAN_CAPABILITY_IBSS)
751 if(ieee80211_is_54g(ieee->current_network))
757 crypt = ieee->crypt[ieee->tx_keyidx];
760 encrypt = ieee->host_encrypt && crypt && crypt->ops &&
761 ((0 == strcmp(crypt->ops->name, "WEP") || wpa_ie_len));
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);
771 if(pHTInfo->bRegRT2RTAggregation)
773 tmp_generic_ie_buf = ieee->pHTInfo->szRT2RTAggBuffer;
774 tmp_generic_ie_len = sizeof(ieee->pHTInfo->szRT2RTAggBuffer);
775 HTConstructRT2RTAggElement(ieee, tmp_generic_ie_buf, &tmp_generic_ie_len);
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);
778 beacon_size = sizeof(struct ieee80211_probe_response)+2+
788 // +tmp_generic_ie_len
791 skb = dev_alloc_skb(beacon_size);
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);
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
808 if(ieee->short_slot && (ieee->current_network.capability & WLAN_CAPABILITY_SHORT_SLOT))
809 cpu_to_le16((beacon_buf->capability |= WLAN_CAPABILITY_SHORT_SLOT));
811 crypt = ieee->crypt[ieee->tx_keyidx];
813 beacon_buf->capability |= cpu_to_le16(WLAN_CAPABILITY_PRIVACY);
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;
820 tag = (u8*) beacon_buf->info_element[0].data;
822 memcpy(tag, ssid, ssid_len);
826 *(tag++) = MFIE_TYPE_RATES;
827 *(tag++) = rate_len-2;
828 memcpy(tag,ieee->current_network.rates,rate_len-2);
831 *(tag++) = MFIE_TYPE_DS_SET;
833 *(tag++) = ieee->current_network.channel;
837 *(tag++) = MFIE_TYPE_IBSS_SET;
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);
846 *(tag++) = MFIE_TYPE_ERP;
848 *(tag++) = erpinfo_content;
851 *(tag++) = MFIE_TYPE_RATES_EX;
852 *(tag++) = rate_ex_len-2;
853 memcpy(tag,ieee->current_network.rates_ex,rate_ex_len-2);
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);
863 memcpy(tag, ieee->wpa_ie, ieee->wpa_ie_len);
867 //skb->dev = ieee->dev;
872 struct sk_buff* ieee80211_assoc_resp(struct ieee80211_device *ieee, u8 *dest)
877 struct ieee80211_crypt_data* crypt;
878 struct ieee80211_assoc_response_frame *assoc;
881 unsigned int rate_len = ieee80211_MFIE_rate_len(ieee);
882 int len = sizeof(struct ieee80211_assoc_response_frame) + rate_len + ieee->tx_headroom;
884 skb = dev_alloc_skb(len);
889 skb_reserve(skb, ieee->tx_headroom);
891 assoc = (struct ieee80211_assoc_response_frame *)
892 skb_put(skb,sizeof(struct ieee80211_assoc_response_frame));
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);
903 assoc->capability |= cpu_to_le16(WLAN_CAPABILITY_SHORT_SLOT);
905 if (ieee->host_encrypt)
906 crypt = ieee->crypt[ieee->tx_keyidx];
909 encrypt = ( crypt && crypt->ops);
912 assoc->capability |= cpu_to_le16(WLAN_CAPABILITY_PRIVACY);
915 assoc->aid = cpu_to_le16(ieee->assoc_id);
916 if (ieee->assoc_id == 0x2007) ieee->assoc_id=0;
917 else ieee->assoc_id++;
919 tag = (u8*) skb_put(skb, rate_len);
921 ieee80211_MFIE_Brate(ieee, &tag);
922 ieee80211_MFIE_Grate(ieee, &tag);
927 struct sk_buff* ieee80211_auth_resp(struct ieee80211_device *ieee,int status, u8 *dest)
930 struct ieee80211_authentication *auth;
931 int len = ieee->tx_headroom + sizeof(struct ieee80211_authentication)+1;
933 skb = dev_alloc_skb(len);
938 skb->len = sizeof(struct ieee80211_authentication);
940 auth = (struct ieee80211_authentication *)skb->data;
942 auth->status = cpu_to_le16(status);
943 auth->transaction = cpu_to_le16(2);
944 auth->algorithm = cpu_to_le16(WLAN_AUTH_OPEN);
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);
955 struct sk_buff* ieee80211_null_func(struct ieee80211_device *ieee,short pwr)
958 struct ieee80211_hdr_3addr* hdr;
960 skb = dev_alloc_skb(sizeof(struct ieee80211_hdr_3addr));
965 hdr = (struct ieee80211_hdr_3addr*)skb_put(skb,sizeof(struct ieee80211_hdr_3addr));
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);
971 hdr->frame_ctl = cpu_to_le16(IEEE80211_FTYPE_DATA |
972 IEEE80211_STYPE_NULLFUNC | IEEE80211_FCTL_TODS |
973 (pwr ? IEEE80211_FCTL_PM:0));
981 void ieee80211_resp_to_assoc_rq(struct ieee80211_device *ieee, u8* dest)
983 struct sk_buff *buf = ieee80211_assoc_resp(ieee, dest);
986 softmac_mgmt_xmit(buf, ieee);
990 void ieee80211_resp_to_auth(struct ieee80211_device *ieee, int s, u8* dest)
992 struct sk_buff *buf = ieee80211_auth_resp(ieee, s, dest);
995 softmac_mgmt_xmit(buf, ieee);
999 void ieee80211_resp_to_probe(struct ieee80211_device *ieee, u8 *dest)
1003 struct sk_buff *buf = ieee80211_probe_resp(ieee, dest);
1005 softmac_mgmt_xmit(buf, ieee);
1009 inline struct sk_buff *ieee80211_association_req(struct ieee80211_network *beacon,struct ieee80211_device *ieee)
1011 struct sk_buff *skb;
1012 //unsigned long flags;
1014 struct ieee80211_assoc_request_frame *hdr;
1016 //short info_addr = 0;
1018 //u16 suite_count = 0;
1019 //u8 suit_select = 0;
1020 //unsigned int wpa_len = beacon->wpa_ie_len;
1022 u8* ht_cap_buf = NULL;
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;
1033 unsigned int rate_len = ieee80211_MFIE_rate_len(ieee);
1034 unsigned int wmm_info_len = beacon->qos_data.supported?9:0;
1036 unsigned int turbo_info_len = beacon->Turbo_Enable?9:0;
1041 crypt = ieee->crypt[ieee->tx_keyidx];
1042 encrypt = ieee->host_encrypt && crypt && crypt->ops && ((0 == strcmp(crypt->ops->name,"WEP") || wpa_ie_len));
1044 //Include High Throuput capability && Realtek proprietary
1045 if(ieee->pHTInfo->bCurrentHTSupport&&ieee->pHTInfo->bEnableHT)
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)
1052 realtek_ie_buf = ieee->pHTInfo->szRT2RTAggBuffer;
1053 realtek_ie_len = sizeof( ieee->pHTInfo->szRT2RTAggBuffer);
1054 HTConstructRT2RTAggElement(ieee, realtek_ie_buf, &realtek_ie_len);
1058 if(ieee->qos_support){
1059 wmm_info_len = beacon->qos_data.supported?9:0;
1063 if(beacon->bCkipSupported)
1067 if(beacon->bCcxRmEnable)
1071 if( beacon->BssCcxVerNumber >= 2 )
1073 cxvernum_ie_len = 5+2;
1076 len = sizeof(struct ieee80211_assoc_request_frame)+ 2
1077 + beacon->ssid_len//essid tagged val
1078 + rate_len//rates tagged val
1087 + ieee->tx_headroom;
1089 len = sizeof(struct ieee80211_assoc_request_frame)+ 2
1090 + beacon->ssid_len//essid tagged val
1091 + rate_len//rates tagged val
1099 + ieee->tx_headroom;
1102 skb = dev_alloc_skb(len);
1107 skb_reserve(skb, ieee->tx_headroom);
1109 hdr = (struct ieee80211_assoc_request_frame *)
1110 skb_put(skb, sizeof(struct ieee80211_assoc_request_frame)+2);
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);
1119 memcpy(ieee->ap_mac_addr, beacon->bssid, ETH_ALEN);//for HW security, John
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);
1125 if (beacon->capability & WLAN_CAPABILITY_SHORT_PREAMBLE)
1126 hdr->capability |= cpu_to_le16(WLAN_CAPABILITY_SHORT_PREAMBLE); //add short_preamble here
1128 if(ieee->short_slot)
1129 hdr->capability |= cpu_to_le16(WLAN_CAPABILITY_SHORT_SLOT);
1130 if (wmm_info_len) //QOS
1131 hdr->capability |= cpu_to_le16(WLAN_CAPABILITY_QOS);
1133 hdr->listen_interval = 0xa; //FIXME
1135 hdr->info_element[0].id = MFIE_TYPE_SSID;
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);
1141 tag = skb_put(skb, rate_len);
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 )
1148 static u8 AironetIeOui[] = {0x00, 0x01, 0x66}; // "4500-client"
1149 u8 CcxAironetBuf[30];
1150 OCTET_STRING osCcxAironetIE;
1152 memset(CcxAironetBuf, 0,30);
1153 osCcxAironetIE.Octet = CcxAironetBuf;
1154 osCcxAironetIE.Length = sizeof(CcxAironetBuf);
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.
1159 memcpy(osCcxAironetIE.Octet, AironetIeOui, sizeof(AironetIeOui));
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;
1172 if(beacon->bCcxRmEnable)
1174 static u8 CcxRmCapBuf[] = {0x00, 0x40, 0x96, 0x01, 0x01, 0x00};
1175 OCTET_STRING osCcxRmCap;
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;
1186 if( beacon->BssCcxVerNumber >= 2 )
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;
1200 if(ieee->pHTInfo->bCurrentHTSupport&&ieee->pHTInfo->bEnableHT){
1201 if(ieee->pHTInfo->ePeerHTSpecVer != HT_SPEC_VER_EWC)
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;
1212 //choose what wpa_supplicant gives to associate.
1213 tag = skb_put(skb, wpa_ie_len);
1215 memcpy(tag, ieee->wpa_ie, ieee->wpa_ie_len);
1218 tag = skb_put(skb,wmm_info_len);
1220 ieee80211_WMM_Info(ieee, &tag);
1223 tag = skb_put(skb,turbo_info_len);
1224 if(turbo_info_len) {
1225 ieee80211_TURBO_Info(ieee, &tag);
1229 if(ieee->pHTInfo->bCurrentHTSupport&&ieee->pHTInfo->bEnableHT){
1230 if(ieee->pHTInfo->ePeerHTSpecVer == HT_SPEC_VER_EWC)
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;
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 );
1246 // printk("<=====%s(), %p, %p\n", __FUNCTION__, ieee->dev, ieee->dev->dev_addr);
1247 // IEEE80211_DEBUG_DATA(IEEE80211_DL_DATA, skb->data, skb->len);
1251 void ieee80211_associate_abort(struct ieee80211_device *ieee)
1254 unsigned long flags;
1255 spin_lock_irqsave(&ieee->lock, flags);
1257 ieee->associate_seq++;
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
1265 if (ieee->state == IEEE80211_ASSOCIATING_AUTHENTICATING){
1266 IEEE80211_DEBUG_MGMT("Authentication failed\n");
1267 ieee->softmac_stats.no_auth_rs++;
1269 IEEE80211_DEBUG_MGMT("Association failed\n");
1270 ieee->softmac_stats.no_ass_rs++;
1273 ieee->state = IEEE80211_ASSOCIATING_RETRY;
1275 queue_delayed_work(ieee->wq, &ieee->associate_retry_wq, \
1276 IEEE80211_SOFTMAC_ASSOC_RETRY_TIME);
1278 spin_unlock_irqrestore(&ieee->lock, flags);
1281 void ieee80211_associate_abort_cb(unsigned long dev)
1283 ieee80211_associate_abort((struct ieee80211_device *) dev);
1287 void ieee80211_associate_step1(struct ieee80211_device *ieee)
1289 struct ieee80211_network *beacon = &ieee->current_network;
1290 struct sk_buff *skb;
1292 IEEE80211_DEBUG_MGMT("Stopping scan\n");
1294 ieee->softmac_stats.tx_auth_rq++;
1295 skb=ieee80211_authentication_req(beacon, ieee, 0);
1298 ieee80211_associate_abort(ieee);
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);
1309 //dev_kfree_skb_any(skb);//edit by thomas
1313 void ieee80211_auth_challenge(struct ieee80211_device *ieee, u8 *challenge, int chlen)
1316 struct sk_buff *skb;
1317 struct ieee80211_network *beacon = &ieee->current_network;
1318 // int hlen = sizeof(struct ieee80211_authentication);
1320 ieee->associate_seq++;
1321 ieee->softmac_stats.tx_auth_rq++;
1323 skb = ieee80211_authentication_req(beacon, ieee, chlen+2);
1325 ieee80211_associate_abort(ieee);
1327 c = skb_put(skb, chlen+2);
1328 *(c++) = MFIE_TYPE_CHALLENGE;
1330 memcpy(c, challenge, chlen);
1332 IEEE80211_DEBUG_MGMT("Sending authentication challenge response\n");
1334 ieee80211_encrypt_fragment(ieee, skb, sizeof(struct ieee80211_hdr_3addr ));
1336 softmac_mgmt_xmit(skb, ieee);
1337 mod_timer(&ieee->associate_timer, jiffies + (HZ/2));
1338 //dev_kfree_skb_any(skb);//edit by thomas
1343 void ieee80211_associate_step2(struct ieee80211_device *ieee)
1345 struct sk_buff* skb;
1346 struct ieee80211_network *beacon = &ieee->current_network;
1348 del_timer_sync(&ieee->associate_timer);
1350 IEEE80211_DEBUG_MGMT("Sending association request\n");
1352 ieee->softmac_stats.tx_ass_rq++;
1353 skb=ieee80211_association_req(beacon, ieee);
1355 ieee80211_associate_abort(ieee);
1357 softmac_mgmt_xmit(skb, ieee);
1358 mod_timer(&ieee->associate_timer, jiffies + (HZ/2));
1359 //dev_kfree_skb_any(skb);//edit by thomas
1362 void ieee80211_associate_complete_wq(struct work_struct *work)
1364 struct ieee80211_device *ieee = container_of(work, struct ieee80211_device, associate_complete_wq);
1365 printk(KERN_INFO "Associated successfully\n");
1366 if(ieee80211_is_54g(ieee->current_network) &&
1367 (ieee->modulation & IEEE80211_OFDM_MODULATION)){
1370 printk(KERN_INFO"Using G rates:%d\n", ieee->rate);
1373 printk(KERN_INFO"Using B rates:%d\n", ieee->rate);
1375 if (ieee->pHTInfo->bCurrentHTSupport&&ieee->pHTInfo->bEnableHT)
1377 printk("Successfully associated, ht enabled\n");
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);
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 )
1390 ieee->LinkDetectInfo.NumRecvBcnInPeriod = 1;
1391 ieee->LinkDetectInfo.NumRecvDataInPeriod= 1;
1393 ieee->link_change(ieee->dev);
1394 if(ieee->is_silent_reset == 0){
1395 printk("============>normal associate\n");
1396 notify_wx_assoc_event(ieee);
1398 else if(ieee->is_silent_reset == 1)
1400 printk("==================>silent reset associate\n");
1401 ieee->is_silent_reset = 0;
1404 if (ieee->data_hard_resume)
1405 ieee->data_hard_resume(ieee->dev);
1406 netif_carrier_on(ieee->dev);
1409 void ieee80211_associate_complete(struct ieee80211_device *ieee)
1412 // struct net_device* dev = ieee->dev;
1413 del_timer_sync(&ieee->associate_timer);
1415 ieee->state = IEEE80211_LINKED;
1416 //ieee->UpdateHalRATRTableHandler(dev, ieee->dot11HTOperationalRateSet);
1417 queue_work(ieee->wq, &ieee->associate_complete_wq);
1420 void ieee80211_associate_procedure_wq(struct work_struct *work)
1422 struct ieee80211_device *ieee = container_of(work, struct ieee80211_device, associate_procedure_wq);
1423 ieee->sync_scan_hurryup = 1;
1424 down(&ieee->wx_sem);
1426 if (ieee->data_hard_stop)
1427 ieee->data_hard_stop(ieee->dev);
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);
1434 ieee->associate_seq = 1;
1435 ieee80211_associate_step1(ieee);
1440 inline void ieee80211_softmac_new_net(struct ieee80211_device *ieee, struct ieee80211_network *net)
1442 u8 tmp_ssid[IW_ESSID_MAX_SIZE+1];
1443 int tmp_ssid_len = 0;
1445 short apset,ssidset,ssidbroad,apmatch,ssidmatch;
1447 /* we are interested in new new only if we are not associated
1448 * and we are not associating / authenticating
1450 if (ieee->state != IEEE80211_NOLINK)
1453 if ((ieee->iw_mode == IW_MODE_INFRA) && !(net->capability & WLAN_CAPABILITY_BSS))
1456 if ((ieee->iw_mode == IW_MODE_ADHOC) && !(net->capability & WLAN_CAPABILITY_IBSS))
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.
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));
1473 if ( /* if the user set the AP check if match.
1474 * if the network does not broadcast essid we check the user supplyed ANY essid
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
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
1483 (!apset && ssidset && ssidbroad && ssidmatch)
1485 /* if the essid is hidden replace it with the
1486 * essid provided by the user.
1489 strncpy(tmp_ssid, ieee->current_network.ssid, IW_ESSID_MAX_SIZE);
1490 tmp_ssid_len = ieee->current_network.ssid_len;
1492 memcpy(&ieee->current_network, net, sizeof(struct ieee80211_network));
1495 strncpy(ieee->current_network.ssid, tmp_ssid, IW_ESSID_MAX_SIZE);
1496 ieee->current_network.ssid_len = tmp_ssid_len;
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);
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.*/
1511 // ieee->pHTInfo->bCurrentHTSupport = true;
1512 HTResetSelfAndSavePeerSetting(ieee, &(ieee->current_network));
1516 ieee->pHTInfo->bCurrentHTSupport = false;
1519 ieee->state = IEEE80211_ASSOCIATING;
1520 queue_work(ieee->wq, &ieee->associate_procedure_wq);
1522 if(ieee80211_is_54g(ieee->current_network) &&
1523 (ieee->modulation & IEEE80211_OFDM_MODULATION)){
1525 ieee->SetWirelessMode(ieee->dev, IEEE_G);
1526 printk(KERN_INFO"Using G rates\n");
1529 ieee->SetWirelessMode(ieee->dev, IEEE_B);
1530 printk(KERN_INFO"Using B rates\n");
1532 memset(ieee->dot11HTOperationalRateSet, 0, 16);
1533 //HTSetConnectBwMode(ieee, HT_CHANNEL_WIDTH_20, HT_EXTCHNL_OFFSET_NO_EXT);
1534 ieee->state = IEEE80211_LINKED;
1542 void ieee80211_softmac_check_all_nets(struct ieee80211_device *ieee)
1544 unsigned long flags;
1545 struct ieee80211_network *target;
1547 spin_lock_irqsave(&ieee->lock, flags);
1549 list_for_each_entry(target, &ieee->network_list, list) {
1551 /* if the state become different that NOLINK means
1552 * we had found what we are searching for
1555 if (ieee->state != IEEE80211_NOLINK)
1558 if (ieee->scan_age == 0 || time_after(target->last_scanned + ieee->scan_age, jiffies))
1559 ieee80211_softmac_new_net(ieee, target);
1562 spin_unlock_irqrestore(&ieee->lock, flags);
1567 static inline u16 auth_parse(struct sk_buff *skb, u8** challenge, int *chlen)
1569 struct ieee80211_authentication *a;
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);
1576 a = (struct ieee80211_authentication*) skb->data;
1577 if(skb->len > (sizeof(struct ieee80211_authentication) +3)){
1578 t = skb->data + sizeof(struct ieee80211_authentication);
1580 if(*(t++) == MFIE_TYPE_CHALLENGE){
1582 *challenge = kmemdup(t, *chlen, GFP_ATOMIC);
1588 return cpu_to_le16(a->status);
1593 int auth_rq_parse(struct sk_buff *skb,u8* dest)
1595 struct ieee80211_authentication *a;
1597 if (skb->len < (sizeof(struct ieee80211_authentication)-sizeof(struct ieee80211_info_element))){
1598 IEEE80211_DEBUG_MGMT("invalid len in auth request: %d\n",skb->len);
1601 a = (struct ieee80211_authentication*) skb->data;
1603 memcpy(dest,a->header.addr2, ETH_ALEN);
1605 if (le16_to_cpu(a->algorithm) != WLAN_AUTH_OPEN)
1606 return WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG;
1608 return WLAN_STATUS_SUCCESS;
1611 static short probe_rq_parse(struct ieee80211_device *ieee, struct sk_buff *skb, u8 *src)
1618 struct ieee80211_hdr_3addr *header =
1619 (struct ieee80211_hdr_3addr *) skb->data;
1621 if (skb->len < sizeof (struct ieee80211_hdr_3addr ))
1622 return -1; /* corrupted */
1624 memcpy(src,header->addr2, ETH_ALEN);
1626 skbend = (u8*)skb->data + skb->len;
1628 tag = skb->data + sizeof (struct ieee80211_hdr_3addr );
1630 while (tag+1 < skbend){
1636 tag++; /* point to the len field */
1637 tag = tag + *(tag); /* point to the last data byte of the tag */
1638 tag++; /* point to the next tag */
1641 //IEEE80211DMESG("Card MAC address is "MACSTR, MAC2STR(src));
1642 if (ssidlen == 0) return 1;
1644 if (!ssid) return 1; /* ssid not found in tagged param */
1645 return (!strncmp(ssid, ieee->current_network.ssid, ssidlen));
1649 int assoc_rq_parse(struct sk_buff *skb,u8* dest)
1651 struct ieee80211_assoc_request_frame *a;
1653 if (skb->len < (sizeof(struct ieee80211_assoc_request_frame) -
1654 sizeof(struct ieee80211_info_element))) {
1656 IEEE80211_DEBUG_MGMT("invalid len in auth request:%d \n", skb->len);
1660 a = (struct ieee80211_assoc_request_frame*) skb->data;
1662 memcpy(dest,a->header.addr2,ETH_ALEN);
1667 static inline u16 assoc_parse(struct ieee80211_device *ieee, struct sk_buff *skb, int *aid)
1669 struct ieee80211_assoc_response_frame *response_head;
1672 if (skb->len < sizeof(struct ieee80211_assoc_response_frame)){
1673 IEEE80211_DEBUG_MGMT("invalid len in auth resp: %d\n", skb->len);
1677 response_head = (struct ieee80211_assoc_response_frame*) skb->data;
1678 *aid = le16_to_cpu(response_head->aid) & 0x3fff;
1680 status_code = le16_to_cpu(response_head->status);
1681 if((status_code==WLAN_STATUS_ASSOC_DENIED_RATES || \
1682 status_code==WLAN_STATUS_CAPS_UNSUPPORTED)&&
1683 ((ieee->mode == IEEE_G) &&
1684 (ieee->current_network.mode == IEEE_N_24G) &&
1685 (ieee->AsocRetryCount++ < (RT_ASOC_RETRY_LIMIT-1)))) {
1686 ieee->pHTInfo->IOTAction |= HT_IOT_ACT_PURE_N_MODE;
1688 ieee->AsocRetryCount = 0;
1691 return le16_to_cpu(response_head->status);
1695 ieee80211_rx_probe_rq(struct ieee80211_device *ieee, struct sk_buff *skb)
1699 //IEEE80211DMESG("Rx probe");
1700 ieee->softmac_stats.rx_probe_rq++;
1701 //DMESG("Dest is "MACSTR, MAC2STR(dest));
1702 if (probe_rq_parse(ieee, skb, dest)){
1703 //IEEE80211DMESG("Was for me!");
1704 ieee->softmac_stats.tx_probe_rs++;
1705 ieee80211_resp_to_probe(ieee, dest);
1710 ieee80211_rx_auth_rq(struct ieee80211_device *ieee, struct sk_buff *skb)
1714 //IEEE80211DMESG("Rx probe");
1715 ieee->softmac_stats.rx_auth_rq++;
1717 status = auth_rq_parse(skb, dest);
1719 ieee80211_resp_to_auth(ieee, status, dest);
1721 //DMESG("Dest is "MACSTR, MAC2STR(dest));
1726 ieee80211_rx_assoc_rq(struct ieee80211_device *ieee, struct sk_buff *skb)
1730 //unsigned long flags;
1732 ieee->softmac_stats.rx_ass_rq++;
1733 if (assoc_rq_parse(skb,dest) != -1){
1734 ieee80211_resp_to_assoc_rq(ieee, dest);
1737 printk(KERN_INFO"New client associated: %pM\n", dest);
1743 void ieee80211_sta_ps_send_null_frame(struct ieee80211_device *ieee, short pwr)
1746 struct sk_buff *buf = ieee80211_null_func(ieee, pwr);
1749 softmac_ps_mgmt_xmit(buf, ieee);
1754 short ieee80211_sta_ps_sleep(struct ieee80211_device *ieee, u32 *time_h, u32 *time_l)
1756 int timeout = ieee->ps_timeout;
1758 /*if(ieee->ps == IEEE80211_PS_DISABLED ||
1759 ieee->iw_mode != IW_MODE_INFRA ||
1760 ieee->state != IEEE80211_LINKED)
1764 dtim = ieee->current_network.dtim_data;
1766 if(!(dtim & IEEE80211_DTIM_VALID))
1768 timeout = ieee->current_network.beacon_interval; //should we use ps_timeout value or beacon_interval
1769 //printk("VALID\n");
1770 ieee->current_network.dtim_data = IEEE80211_DTIM_INVALID;
1772 if(dtim & ((IEEE80211_DTIM_UCAST | IEEE80211_DTIM_MBCAST)& ieee->ps))
1775 if(!time_after(jiffies, ieee->dev->trans_start + MSECS(timeout)))
1778 if(!time_after(jiffies, ieee->last_rx_ps_time + MSECS(timeout)))
1781 if((ieee->softmac_features & IEEE_SOFTMAC_SINGLE_QUEUE ) &&
1782 (ieee->mgmt_queue_tail != ieee->mgmt_queue_head))
1786 *time_l = ieee->current_network.last_dtim_sta_time[0]
1787 + (ieee->current_network.beacon_interval
1788 * ieee->current_network.dtim_period) * 1000;
1792 *time_h = ieee->current_network.last_dtim_sta_time[1];
1793 if(time_l && *time_l < ieee->current_network.last_dtim_sta_time[0])
1802 inline void ieee80211_sta_ps(struct ieee80211_device *ieee)
1808 unsigned long flags,flags2;
1810 spin_lock_irqsave(&ieee->lock, flags);
1812 if((ieee->ps == IEEE80211_PS_DISABLED ||
1813 ieee->iw_mode != IW_MODE_INFRA ||
1814 ieee->state != IEEE80211_LINKED)){
1816 // #warning CHECK_LOCK_HERE
1817 spin_lock_irqsave(&ieee->mgmt_tx_lock, flags2);
1819 ieee80211_sta_wakeup(ieee, 1);
1821 spin_unlock_irqrestore(&ieee->mgmt_tx_lock, flags2);
1824 sleep = ieee80211_sta_ps_sleep(ieee,&th, &tl);
1825 /* 2 wake, 1 sleep, 0 do nothing */
1831 if(ieee->sta_sleep == 1)
1832 ieee->enter_sleep_state(ieee->dev,th,tl);
1834 else if(ieee->sta_sleep == 0){
1835 // printk("send null 1\n");
1836 spin_lock_irqsave(&ieee->mgmt_tx_lock, flags2);
1838 if(ieee->ps_is_queue_empty(ieee->dev)){
1841 ieee->sta_sleep = 2;
1843 ieee->ps_request_tx_ack(ieee->dev);
1845 ieee80211_sta_ps_send_null_frame(ieee,1);
1850 spin_unlock_irqrestore(&ieee->mgmt_tx_lock, flags2);
1855 }else if(sleep == 2){
1856 //#warning CHECK_LOCK_HERE
1857 spin_lock_irqsave(&ieee->mgmt_tx_lock, flags2);
1859 ieee80211_sta_wakeup(ieee,1);
1861 spin_unlock_irqrestore(&ieee->mgmt_tx_lock, flags2);
1865 spin_unlock_irqrestore(&ieee->lock, flags);
1869 void ieee80211_sta_wakeup(struct ieee80211_device *ieee, short nl)
1871 if(ieee->sta_sleep == 0){
1873 printk("Warning: driver is probably failing to report TX ps error\n");
1874 ieee->ps_request_tx_ack(ieee->dev);
1875 ieee80211_sta_ps_send_null_frame(ieee, 0);
1881 if(ieee->sta_sleep == 1)
1882 ieee->sta_wake_up(ieee->dev);
1884 ieee->sta_sleep = 0;
1887 ieee->ps_request_tx_ack(ieee->dev);
1888 ieee80211_sta_ps_send_null_frame(ieee, 0);
1892 void ieee80211_ps_tx_ack(struct ieee80211_device *ieee, short success)
1894 unsigned long flags,flags2;
1896 spin_lock_irqsave(&ieee->lock, flags);
1898 if(ieee->sta_sleep == 2){
1899 /* Null frame with PS bit set */
1901 ieee->sta_sleep = 1;
1902 ieee->enter_sleep_state(ieee->dev,ieee->ps_th,ieee->ps_tl);
1904 /* if the card report not success we can't be sure the AP
1905 * has not RXed so we can't assume the AP believe us awake
1908 /* 21112005 - tx again null without PS bit if lost */
1911 if((ieee->sta_sleep == 0) && !success){
1912 spin_lock_irqsave(&ieee->mgmt_tx_lock, flags2);
1913 ieee80211_sta_ps_send_null_frame(ieee, 0);
1914 spin_unlock_irqrestore(&ieee->mgmt_tx_lock, flags2);
1917 spin_unlock_irqrestore(&ieee->lock, flags);
1919 void ieee80211_process_action(struct ieee80211_device* ieee, struct sk_buff* skb)
1921 struct ieee80211_hdr* header = (struct ieee80211_hdr*)skb->data;
1922 u8* act = ieee80211_get_payload(header);
1924 // IEEE80211_DEBUG_DATA(IEEE80211_DL_DATA|IEEE80211_DL_BA, skb->data, skb->len);
1927 IEEE80211_DEBUG(IEEE80211_DL_ERR, "error to get payload of action frame\n");
1935 if (*act == ACT_ADDBAREQ)
1936 ieee80211_rx_ADDBAReq(ieee, skb);
1937 else if (*act == ACT_ADDBARSP)
1938 ieee80211_rx_ADDBARsp(ieee, skb);
1939 else if (*act == ACT_DELBA)
1940 ieee80211_rx_DELBA(ieee, skb);
1943 // if (net_ratelimit())
1944 // IEEE80211_DEBUG(IEEE80211_DL_BA, "unknown action frame(%d)\n", tmp);
1951 ieee80211_rx_frame_softmac(struct ieee80211_device *ieee, struct sk_buff *skb,
1952 struct ieee80211_rx_stats *rx_stats, u16 type,
1955 struct ieee80211_hdr_3addr *header = (struct ieee80211_hdr_3addr *) skb->data;
1960 struct ieee80211_assoc_response_frame *assoc_resp;
1961 // struct ieee80211_info_element *info_element;
1962 bool bSupportNmode = true, bHalfSupportNmode = false; //default support N mode, disable halfNmode
1964 if(!ieee->proto_started)
1967 if(ieee->sta_sleep || (ieee->ps != IEEE80211_PS_DISABLED &&
1968 ieee->iw_mode == IW_MODE_INFRA &&
1969 ieee->state == IEEE80211_LINKED))
1971 tasklet_schedule(&ieee->ps_task);
1973 if(WLAN_FC_GET_STYPE(header->frame_ctl) != IEEE80211_STYPE_PROBE_RESP &&
1974 WLAN_FC_GET_STYPE(header->frame_ctl) != IEEE80211_STYPE_BEACON)
1975 ieee->last_rx_ps_time = jiffies;
1977 switch (WLAN_FC_GET_STYPE(header->frame_ctl)) {
1979 case IEEE80211_STYPE_ASSOC_RESP:
1980 case IEEE80211_STYPE_REASSOC_RESP:
1982 IEEE80211_DEBUG_MGMT("received [RE]ASSOCIATION RESPONSE (%d)\n",
1983 WLAN_FC_GET_STYPE(header->frame_ctl));
1984 if ((ieee->softmac_features & IEEE_SOFTMAC_ASSOCIATE) &&
1985 ieee->state == IEEE80211_ASSOCIATING_AUTHENTICATED &&
1986 ieee->iw_mode == IW_MODE_INFRA){
1987 struct ieee80211_network network_resp;
1988 struct ieee80211_network *network = &network_resp;
1990 if (0 == (errcode=assoc_parse(ieee,skb, &aid))){
1991 ieee->state=IEEE80211_LINKED;
1992 ieee->assoc_id = aid;
1993 ieee->softmac_stats.rx_ass_ok++;
1994 /* station support qos */
1995 /* Let the register setting defaultly with Legacy station */
1996 if(ieee->qos_support) {
1997 assoc_resp = (struct ieee80211_assoc_response_frame*)skb->data;
1998 memset(network, 0, sizeof(*network));
1999 if (ieee80211_parse_info_param(ieee,assoc_resp->info_element,\
2000 rx_stats->len - sizeof(*assoc_resp),\
2005 { //filling the PeerHTCap. //maybe not neccesary as we can get its info from current_network.
2006 memcpy(ieee->pHTInfo->PeerHTCapBuf, network->bssht.bdHTCapBuf, network->bssht.bdHTCapLen);
2007 memcpy(ieee->pHTInfo->PeerHTInfoBuf, network->bssht.bdHTInfoBuf, network->bssht.bdHTInfoLen);
2009 if (ieee->handle_assoc_response != NULL)
2010 ieee->handle_assoc_response(ieee->dev, (struct ieee80211_assoc_response_frame*)header, network);
2012 ieee80211_associate_complete(ieee);
2014 /* aid could not been allocated */
2015 ieee->softmac_stats.rx_ass_err++;
2017 "Association response status code 0x%x\n",
2019 IEEE80211_DEBUG_MGMT(
2020 "Association response status code 0x%x\n",
2022 if(ieee->AsocRetryCount < RT_ASOC_RETRY_LIMIT) {
2023 queue_work(ieee->wq, &ieee->associate_procedure_wq);
2025 ieee80211_associate_abort(ieee);
2031 case IEEE80211_STYPE_ASSOC_REQ:
2032 case IEEE80211_STYPE_REASSOC_REQ:
2034 if ((ieee->softmac_features & IEEE_SOFTMAC_ASSOCIATE) &&
2035 ieee->iw_mode == IW_MODE_MASTER)
2037 ieee80211_rx_assoc_rq(ieee, skb);
2040 case IEEE80211_STYPE_AUTH:
2042 if (ieee->softmac_features & IEEE_SOFTMAC_ASSOCIATE){
2043 if (ieee->state == IEEE80211_ASSOCIATING_AUTHENTICATING &&
2044 ieee->iw_mode == IW_MODE_INFRA){
2046 IEEE80211_DEBUG_MGMT("Received authentication response");
2048 if (0 == (errcode=auth_parse(skb, &challenge, &chlen))){
2049 if(ieee->open_wep || !challenge){
2050 ieee->state = IEEE80211_ASSOCIATING_AUTHENTICATED;
2051 ieee->softmac_stats.rx_auth_rs_ok++;
2052 if(!(ieee->pHTInfo->IOTAction&HT_IOT_ACT_PURE_N_MODE))
2054 if (!ieee->GetNmodeSupportBySecCfg(ieee->dev))
2056 // WEP or TKIP encryption
2057 if(IsHTHalfNmodeAPs(ieee))
2059 bSupportNmode = true;
2060 bHalfSupportNmode = true;
2064 bSupportNmode = false;
2065 bHalfSupportNmode = false;
2067 printk("==========>to link with AP using SEC(%d, %d)", bSupportNmode, bHalfSupportNmode);
2070 /* Dummy wirless mode setting to avoid encryption issue */
2073 ieee->SetWirelessMode(ieee->dev, \
2074 ieee->current_network.mode);
2078 ieee->SetWirelessMode(ieee->dev, IEEE_G);
2081 if (ieee->current_network.mode == IEEE_N_24G && bHalfSupportNmode == true)
2083 printk("===============>entern half N mode\n");
2084 ieee->bHalfWirelessN24GMode = true;
2087 ieee->bHalfWirelessN24GMode = false;
2089 ieee80211_associate_step2(ieee);
2091 ieee80211_auth_challenge(ieee, challenge, chlen);
2094 ieee->softmac_stats.rx_auth_rs_err++;
2095 IEEE80211_DEBUG_MGMT("Authentication respose status code 0x%x",errcode);
2096 ieee80211_associate_abort(ieee);
2099 }else if (ieee->iw_mode == IW_MODE_MASTER){
2100 ieee80211_rx_auth_rq(ieee, skb);
2105 case IEEE80211_STYPE_PROBE_REQ:
2107 if ((ieee->softmac_features & IEEE_SOFTMAC_PROBERS) &&
2108 ((ieee->iw_mode == IW_MODE_ADHOC ||
2109 ieee->iw_mode == IW_MODE_MASTER) &&
2110 ieee->state == IEEE80211_LINKED)){
2111 ieee80211_rx_probe_rq(ieee, skb);
2115 case IEEE80211_STYPE_DISASSOC:
2116 case IEEE80211_STYPE_DEAUTH:
2117 /* FIXME for now repeat all the association procedure
2118 * both for disassociation and deauthentication
2120 if ((ieee->softmac_features & IEEE_SOFTMAC_ASSOCIATE) &&
2121 ieee->state == IEEE80211_LINKED &&
2122 ieee->iw_mode == IW_MODE_INFRA){
2124 ieee->state = IEEE80211_ASSOCIATING;
2125 ieee->softmac_stats.reassoc++;
2127 notify_wx_assoc_event(ieee);
2128 //HTSetConnectBwMode(ieee, HT_CHANNEL_WIDTH_20, HT_EXTCHNL_OFFSET_NO_EXT);
2129 RemovePeerTS(ieee, header->addr2);
2130 queue_work(ieee->wq, &ieee->associate_procedure_wq);
2133 case IEEE80211_STYPE_MANAGE_ACT:
2134 ieee80211_process_action(ieee,skb);
2141 //dev_kfree_skb_any(skb);
2145 /* following are for a simplier TX queue management.
2146 * Instead of using netif_[stop/wake]_queue the driver
2147 * will uses these two function (plus a reset one), that
2148 * will internally uses the kernel netif_* and takes
2149 * care of the ieee802.11 fragmentation.
2150 * So the driver receives a fragment per time and might
2151 * call the stop function when it want without take care
2152 * to have enought room to TX an entire packet.
2153 * This might be useful if each fragment need it's own
2154 * descriptor, thus just keep a total free memory > than
2155 * the max fragmentation treshold is not enought.. If the
2156 * ieee802.11 stack passed a TXB struct then you needed
2157 * to keep N free descriptors where
2158 * N = MAX_PACKET_SIZE / MIN_FRAG_TRESHOLD
2159 * In this way you need just one and the 802.11 stack
2160 * will take care of buffering fragments and pass them to
2161 * to the driver later, when it wakes the queue.
2163 void ieee80211_softmac_xmit(struct ieee80211_txb *txb, struct ieee80211_device *ieee)
2166 unsigned int queue_index = txb->queue_index;
2167 unsigned long flags;
2169 cb_desc *tcb_desc = NULL;
2171 spin_lock_irqsave(&ieee->lock,flags);
2173 /* called with 2nd parm 0, no tx mgmt lock required */
2174 ieee80211_sta_wakeup(ieee,0);
2176 /* update the tx status */
2177 ieee->stats.tx_bytes += txb->payload_size;
2178 ieee->stats.tx_packets++;
2179 tcb_desc = (cb_desc *)(txb->fragments[0]->cb + MAX_DEV_ADDR_SIZE);
2180 if(tcb_desc->bMulticast) {
2181 ieee->stats.multicast++;
2183 /* if xmit available, just xmit it immediately, else just insert it to the wait queue */
2184 for(i = 0; i < txb->nr_frags; i++) {
2185 #ifdef USB_TX_DRIVER_AGGREGATION_ENABLE
2186 if ((skb_queue_len(&ieee->skb_drv_aggQ[queue_index]) != 0) ||
2188 if ((skb_queue_len(&ieee->skb_waitQ[queue_index]) != 0) ||
2190 (!ieee->check_nic_enough_desc(ieee->dev,queue_index))||\
2191 (ieee->queue_stop)) {
2192 /* insert the skb packet to the wait queue */
2193 /* as for the completion function, it does not need
2194 * to check it any more.
2196 //printk("error:no descriptor left@queue_index %d\n", queue_index);
2197 //ieee80211_stop_queue(ieee);
2198 #ifdef USB_TX_DRIVER_AGGREGATION_ENABLE
2199 skb_queue_tail(&ieee->skb_drv_aggQ[queue_index], txb->fragments[i]);
2201 skb_queue_tail(&ieee->skb_waitQ[queue_index], txb->fragments[i]);
2204 ieee->softmac_data_hard_start_xmit(
2206 ieee->dev,ieee->rate);
2207 //ieee->stats.tx_packets++;
2208 //ieee->stats.tx_bytes += txb->fragments[i]->len;
2209 //ieee->dev->trans_start = jiffies;
2212 ieee80211_txb_free(txb);
2215 spin_unlock_irqrestore(&ieee->lock,flags);
2219 /* called with ieee->lock acquired */
2220 void ieee80211_resume_tx(struct ieee80211_device *ieee)
2223 for(i = ieee->tx_pending.frag; i < ieee->tx_pending.txb->nr_frags; i++) {
2225 if (ieee->queue_stop){
2226 ieee->tx_pending.frag = i;
2230 ieee->softmac_data_hard_start_xmit(
2231 ieee->tx_pending.txb->fragments[i],
2232 ieee->dev,ieee->rate);
2233 //(i+1)<ieee->tx_pending.txb->nr_frags);
2234 ieee->stats.tx_packets++;
2235 ieee->dev->trans_start = jiffies;
2240 ieee80211_txb_free(ieee->tx_pending.txb);
2241 ieee->tx_pending.txb = NULL;
2245 void ieee80211_reset_queue(struct ieee80211_device *ieee)
2247 unsigned long flags;
2249 spin_lock_irqsave(&ieee->lock,flags);
2250 init_mgmt_queue(ieee);
2251 if (ieee->tx_pending.txb){
2252 ieee80211_txb_free(ieee->tx_pending.txb);
2253 ieee->tx_pending.txb = NULL;
2255 ieee->queue_stop = 0;
2256 spin_unlock_irqrestore(&ieee->lock,flags);
2260 void ieee80211_wake_queue(struct ieee80211_device *ieee)
2263 unsigned long flags;
2264 struct sk_buff *skb;
2265 struct ieee80211_hdr_3addr *header;
2267 spin_lock_irqsave(&ieee->lock,flags);
2268 if (! ieee->queue_stop) goto exit;
2270 ieee->queue_stop = 0;
2272 if(ieee->softmac_features & IEEE_SOFTMAC_SINGLE_QUEUE){
2273 while (!ieee->queue_stop && (skb = dequeue_mgmt(ieee))){
2275 header = (struct ieee80211_hdr_3addr *) skb->data;
2277 header->seq_ctl = cpu_to_le16(ieee->seq_ctrl[0] << 4);
2279 if (ieee->seq_ctrl[0] == 0xFFF)
2280 ieee->seq_ctrl[0] = 0;
2282 ieee->seq_ctrl[0]++;
2284 ieee->softmac_data_hard_start_xmit(skb,ieee->dev,ieee->basic_rate);
2285 //dev_kfree_skb_any(skb);//edit by thomas
2288 if (!ieee->queue_stop && ieee->tx_pending.txb)
2289 ieee80211_resume_tx(ieee);
2291 if (!ieee->queue_stop && netif_queue_stopped(ieee->dev)){
2292 ieee->softmac_stats.swtxawake++;
2293 netif_wake_queue(ieee->dev);
2297 spin_unlock_irqrestore(&ieee->lock,flags);
2301 void ieee80211_stop_queue(struct ieee80211_device *ieee)
2303 //unsigned long flags;
2304 //spin_lock_irqsave(&ieee->lock,flags);
2306 if (! netif_queue_stopped(ieee->dev)){
2307 netif_stop_queue(ieee->dev);
2308 ieee->softmac_stats.swtxstop++;
2310 ieee->queue_stop = 1;
2311 //spin_unlock_irqrestore(&ieee->lock,flags);
2316 inline void ieee80211_randomize_cell(struct ieee80211_device *ieee)
2319 get_random_bytes(ieee->current_network.bssid, ETH_ALEN);
2321 /* an IBSS cell address must have the two less significant
2322 * bits of the first byte = 2
2324 ieee->current_network.bssid[0] &= ~0x01;
2325 ieee->current_network.bssid[0] |= 0x02;
2328 /* called in user context only */
2329 void ieee80211_start_master_bss(struct ieee80211_device *ieee)
2333 if (ieee->current_network.ssid_len == 0){
2334 strncpy(ieee->current_network.ssid,
2335 IEEE80211_DEFAULT_TX_ESSID,
2338 ieee->current_network.ssid_len = strlen(IEEE80211_DEFAULT_TX_ESSID);
2342 memcpy(ieee->current_network.bssid, ieee->dev->dev_addr, ETH_ALEN);
2344 ieee->set_chan(ieee->dev, ieee->current_network.channel);
2345 ieee->state = IEEE80211_LINKED;
2346 ieee->link_change(ieee->dev);
2347 notify_wx_assoc_event(ieee);
2349 if (ieee->data_hard_resume)
2350 ieee->data_hard_resume(ieee->dev);
2352 netif_carrier_on(ieee->dev);
2355 void ieee80211_start_monitor_mode(struct ieee80211_device *ieee)
2359 if (ieee->data_hard_resume)
2360 ieee->data_hard_resume(ieee->dev);
2362 netif_carrier_on(ieee->dev);
2365 void ieee80211_start_ibss_wq(struct work_struct *work)
2368 struct delayed_work *dwork = container_of(work, struct delayed_work, work);
2369 struct ieee80211_device *ieee = container_of(dwork, struct ieee80211_device, start_ibss_wq);
2370 /* iwconfig mode ad-hoc will schedule this and return
2371 * on the other hand this will block further iwconfig SET
2372 * operations because of the wx_sem hold.
2373 * Anyway some most set operations set a flag to speed-up
2374 * (abort) this wq (when syncro scanning) before sleeping
2377 if(!ieee->proto_started){
2378 printk("==========oh driver down return\n");
2381 down(&ieee->wx_sem);
2383 if (ieee->current_network.ssid_len == 0){
2384 strcpy(ieee->current_network.ssid,IEEE80211_DEFAULT_TX_ESSID);
2385 ieee->current_network.ssid_len = strlen(IEEE80211_DEFAULT_TX_ESSID);
2389 /* check if we have this cell in our network list */
2390 ieee80211_softmac_check_all_nets(ieee);
2393 #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.
2394 // if((IS_DOT11D_ENABLE(ieee)) && (ieee->state == IEEE80211_NOLINK))
2395 if (ieee->state == IEEE80211_NOLINK)
2396 ieee->current_network.channel = 6;
2398 /* if not then the state is not linked. Maybe the user swithced to
2399 * ad-hoc mode just after being in monitor mode, or just after
2400 * being very few time in managed mode (so the card have had no
2401 * time to scan all the chans..) or we have just run up the iface
2402 * after setting ad-hoc mode. So we have to give another try..
2403 * Here, in ibss mode, should be safe to do this without extra care
2404 * (in bss mode we had to make sure no-one tryed to associate when
2405 * we had just checked the ieee->state and we was going to start the
2406 * scan) beacause in ibss mode the ieee80211_new_net function, when
2407 * finds a good net, just set the ieee->state to IEEE80211_LINKED,
2408 * so, at worst, we waste a bit of time to initiate an unneeded syncro
2409 * scan, that will stop at the first round because it sees the state
2412 if (ieee->state == IEEE80211_NOLINK)
2413 ieee80211_start_scan_syncro(ieee);
2415 /* the network definitively is not here.. create a new cell */
2416 if (ieee->state == IEEE80211_NOLINK){
2417 printk("creating new IBSS cell\n");
2419 ieee80211_randomize_cell(ieee);
2421 if(ieee->modulation & IEEE80211_CCK_MODULATION){
2423 ieee->current_network.rates_len = 4;
2425 ieee->current_network.rates[0] = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_1MB;
2426 ieee->current_network.rates[1] = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_2MB;
2427 ieee->current_network.rates[2] = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_5MB;
2428 ieee->current_network.rates[3] = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_11MB;
2431 ieee->current_network.rates_len = 0;
2433 if(ieee->modulation & IEEE80211_OFDM_MODULATION){
2434 ieee->current_network.rates_ex_len = 8;
2436 ieee->current_network.rates_ex[0] = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_6MB;
2437 ieee->current_network.rates_ex[1] = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_9MB;
2438 ieee->current_network.rates_ex[2] = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_12MB;
2439 ieee->current_network.rates_ex[3] = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_18MB;
2440 ieee->current_network.rates_ex[4] = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_24MB;
2441 ieee->current_network.rates_ex[5] = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_36MB;
2442 ieee->current_network.rates_ex[6] = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_48MB;
2443 ieee->current_network.rates_ex[7] = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_54MB;
2447 ieee->current_network.rates_ex_len = 0;
2451 // By default, WMM function will be disabled in IBSS mode
2452 ieee->current_network.QoS_Enable = 0;
2453 ieee->SetWirelessMode(ieee->dev, IEEE_G);
2454 ieee->current_network.atim_window = 0;
2455 ieee->current_network.capability = WLAN_CAPABILITY_IBSS;
2456 if(ieee->short_slot)
2457 ieee->current_network.capability |= WLAN_CAPABILITY_SHORT_SLOT;
2461 ieee->state = IEEE80211_LINKED;
2463 ieee->set_chan(ieee->dev, ieee->current_network.channel);
2464 ieee->link_change(ieee->dev);
2466 notify_wx_assoc_event(ieee);
2468 ieee80211_start_send_beacons(ieee);
2470 if (ieee->data_hard_resume)
2471 ieee->data_hard_resume(ieee->dev);
2472 netif_carrier_on(ieee->dev);
2477 inline void ieee80211_start_ibss(struct ieee80211_device *ieee)
2479 queue_delayed_work(ieee->wq, &ieee->start_ibss_wq, 150);
2482 /* this is called only in user context, with wx_sem held */
2483 void ieee80211_start_bss(struct ieee80211_device *ieee)
2485 unsigned long flags;
2486 #ifdef ENABLE_DOT11D
2488 // Ref: 802.11d 11.1.3.3
2489 // STA shall not start a BSS unless properly formed Beacon frame including a Country IE.
2491 if(IS_DOT11D_ENABLE(ieee) && !IS_COUNTRY_IE_VALID(ieee))
2493 if(! ieee->bGlobalDomain)
2499 /* check if we have already found the net we
2500 * are interested in (if any).
2501 * if not (we are disassociated and we are not
2502 * in associating / authenticating phase) start the background scanning.
2504 ieee80211_softmac_check_all_nets(ieee);
2506 /* ensure no-one start an associating process (thus setting
2507 * the ieee->state to ieee80211_ASSOCIATING) while we
2508 * have just cheked it and we are going to enable scan.
2509 * The ieee80211_new_net function is always called with
2510 * lock held (from both ieee80211_softmac_check_all_nets and
2511 * the rx path), so we cannot be in the middle of such function
2513 spin_lock_irqsave(&ieee->lock, flags);
2515 if (ieee->state == IEEE80211_NOLINK){
2516 ieee->actscanning = true;
2517 ieee80211_start_scan(ieee);
2519 spin_unlock_irqrestore(&ieee->lock, flags);
2522 /* called only in userspace context */
2523 void ieee80211_disassociate(struct ieee80211_device *ieee)
2527 netif_carrier_off(ieee->dev);
2528 if (ieee->softmac_features & IEEE_SOFTMAC_TX_QUEUE)
2529 ieee80211_reset_queue(ieee);
2531 if (ieee->data_hard_stop)
2532 ieee->data_hard_stop(ieee->dev);
2533 #ifdef ENABLE_DOT11D
2534 if(IS_DOT11D_ENABLE(ieee))
2537 ieee->state = IEEE80211_NOLINK;
2538 ieee->is_set_key = false;
2539 ieee->link_change(ieee->dev);
2540 //HTSetConnectBwMode(ieee, HT_CHANNEL_WIDTH_20, HT_EXTCHNL_OFFSET_NO_EXT);
2541 notify_wx_assoc_event(ieee);
2544 void ieee80211_associate_retry_wq(struct work_struct *work)
2546 struct delayed_work *dwork = container_of(work, struct delayed_work, work);
2547 struct ieee80211_device *ieee = container_of(dwork, struct ieee80211_device, associate_retry_wq);
2548 unsigned long flags;
2550 down(&ieee->wx_sem);
2551 if(!ieee->proto_started)
2554 if(ieee->state != IEEE80211_ASSOCIATING_RETRY)
2557 /* until we do not set the state to IEEE80211_NOLINK
2558 * there are no possibility to have someone else trying
2559 * to start an association procdure (we get here with
2560 * ieee->state = IEEE80211_ASSOCIATING).
2561 * When we set the state to IEEE80211_NOLINK it is possible
2562 * that the RX path run an attempt to associate, but
2563 * both ieee80211_softmac_check_all_nets and the
2564 * RX path works with ieee->lock held so there are no
2565 * problems. If we are still disassociated then start a scan.
2566 * the lock here is necessary to ensure no one try to start
2567 * an association procedure when we have just checked the
2568 * state and we are going to start the scan.
2570 ieee->state = IEEE80211_NOLINK;
2572 ieee80211_softmac_check_all_nets(ieee);
2574 spin_lock_irqsave(&ieee->lock, flags);
2576 if(ieee->state == IEEE80211_NOLINK)
2577 ieee80211_start_scan(ieee);
2579 spin_unlock_irqrestore(&ieee->lock, flags);
2585 struct sk_buff *ieee80211_get_beacon_(struct ieee80211_device *ieee)
2587 u8 broadcast_addr[] = {0xff,0xff,0xff,0xff,0xff,0xff};
2589 struct sk_buff *skb;
2590 struct ieee80211_probe_response *b;
2592 skb = ieee80211_probe_resp(ieee, broadcast_addr);
2597 b = (struct ieee80211_probe_response *) skb->data;
2598 b->header.frame_ctl = cpu_to_le16(IEEE80211_STYPE_BEACON);
2604 struct sk_buff *ieee80211_get_beacon(struct ieee80211_device *ieee)
2606 struct sk_buff *skb;
2607 struct ieee80211_probe_response *b;
2609 skb = ieee80211_get_beacon_(ieee);
2613 b = (struct ieee80211_probe_response *) skb->data;
2614 b->header.seq_ctl = cpu_to_le16(ieee->seq_ctrl[0] << 4);
2616 if (ieee->seq_ctrl[0] == 0xFFF)
2617 ieee->seq_ctrl[0] = 0;
2619 ieee->seq_ctrl[0]++;
2624 void ieee80211_softmac_stop_protocol(struct ieee80211_device *ieee)
2626 ieee->sync_scan_hurryup = 1;
2627 down(&ieee->wx_sem);
2628 ieee80211_stop_protocol(ieee);
2633 void ieee80211_stop_protocol(struct ieee80211_device *ieee)
2635 if (!ieee->proto_started)
2638 ieee->proto_started = 0;
2640 ieee80211_stop_send_beacons(ieee);
2641 del_timer_sync(&ieee->associate_timer);
2642 cancel_delayed_work(&ieee->associate_retry_wq);
2643 cancel_delayed_work(&ieee->start_ibss_wq);
2644 ieee80211_stop_scan(ieee);
2646 ieee80211_disassociate(ieee);
2647 RemoveAllTS(ieee); //added as we disconnect from the previous BSS, Remove all TS
2650 void ieee80211_softmac_start_protocol(struct ieee80211_device *ieee)
2652 ieee->sync_scan_hurryup = 0;
2653 down(&ieee->wx_sem);
2654 ieee80211_start_protocol(ieee);
2658 void ieee80211_start_protocol(struct ieee80211_device *ieee)
2662 if (ieee->proto_started)
2665 ieee->proto_started = 1;
2667 if (ieee->current_network.channel == 0){
2670 if (ch > MAX_CHANNEL_NUMBER)
2671 return; /* no channel found */
2672 #ifdef ENABLE_DOT11D
2673 }while(!GET_DOT11D_INFO(ieee)->channel_map[ch]);
2675 }while(!ieee->channel_map[ch]);
2677 ieee->current_network.channel = ch;
2680 if (ieee->current_network.beacon_interval == 0)
2681 ieee->current_network.beacon_interval = 100;
2682 // printk("===>%s(), chan:%d\n", __FUNCTION__, ieee->current_network.channel);
2683 // ieee->set_chan(ieee->dev,ieee->current_network.channel);
2685 for(i = 0; i < 17; i++) {
2686 ieee->last_rxseq_num[i] = -1;
2687 ieee->last_rxfrag_num[i] = -1;
2688 ieee->last_packet_time[i] = 0;
2691 ieee->init_wmmparam_flag = 0;//reinitialize AC_xx_PARAM registers.
2694 /* if the user set the MAC of the ad-hoc cell and then
2695 * switch to managed mode, shall we make sure that association
2696 * attempts does not fail just because the user provide the essid
2697 * and the nic is still checking for the AP MAC ??
2699 if (ieee->iw_mode == IW_MODE_INFRA)
2700 ieee80211_start_bss(ieee);
2702 else if (ieee->iw_mode == IW_MODE_ADHOC)
2703 ieee80211_start_ibss(ieee);
2705 else if (ieee->iw_mode == IW_MODE_MASTER)
2706 ieee80211_start_master_bss(ieee);
2708 else if(ieee->iw_mode == IW_MODE_MONITOR)
2709 ieee80211_start_monitor_mode(ieee);
2713 #define DRV_NAME "Ieee80211"
2714 void ieee80211_softmac_init(struct ieee80211_device *ieee)
2717 memset(&ieee->current_network, 0, sizeof(struct ieee80211_network));
2719 ieee->state = IEEE80211_NOLINK;
2720 ieee->sync_scan_hurryup = 0;
2721 for(i = 0; i < 5; i++) {
2722 ieee->seq_ctrl[i] = 0;
2724 #ifdef ENABLE_DOT11D
2725 ieee->pDot11dInfo = kzalloc(sizeof(RT_DOT11D_INFO), GFP_ATOMIC);
2726 if (!ieee->pDot11dInfo)
2727 IEEE80211_DEBUG(IEEE80211_DL_ERR, "can't alloc memory for DOT11D\n");
2729 //added for AP roaming
2730 ieee->LinkDetectInfo.SlotNum = 2;
2731 ieee->LinkDetectInfo.NumRecvBcnInPeriod=0;
2732 ieee->LinkDetectInfo.NumRecvDataInPeriod=0;
2735 ieee->queue_stop = 0;
2737 ieee->softmac_features = 0; //so IEEE2100-like driver are happy
2740 ieee->proto_started = 0;
2741 ieee->basic_rate = IEEE80211_DEFAULT_BASIC_RATE;
2743 ieee->ps = IEEE80211_PS_DISABLED;
2744 ieee->sta_sleep = 0;
2745 ieee->Regdot11HTOperationalRateSet[0]= 0xff;//support MCS 0~7
2746 ieee->Regdot11HTOperationalRateSet[1]= 0xff;//support MCS 8~15
2747 ieee->Regdot11HTOperationalRateSet[4]= 0x01;
2749 ieee->actscanning = false;
2750 ieee->beinretry = false;
2751 ieee->is_set_key = false;
2752 init_mgmt_queue(ieee);
2754 ieee->sta_edca_param[0] = 0x0000A403;
2755 ieee->sta_edca_param[1] = 0x0000A427;
2756 ieee->sta_edca_param[2] = 0x005E4342;
2757 ieee->sta_edca_param[3] = 0x002F3262;
2758 ieee->aggregation = true;
2759 ieee->enable_rx_imm_BA = 1;
2760 ieee->tx_pending.txb = NULL;
2762 init_timer(&ieee->associate_timer);
2763 ieee->associate_timer.data = (unsigned long)ieee;
2764 ieee->associate_timer.function = ieee80211_associate_abort_cb;
2766 init_timer(&ieee->beacon_timer);
2767 ieee->beacon_timer.data = (unsigned long) ieee;
2768 ieee->beacon_timer.function = ieee80211_send_beacon_cb;
2770 #ifdef PF_SYNCTHREAD
2771 ieee->wq = create_workqueue(DRV_NAME,0);
2773 ieee->wq = create_workqueue(DRV_NAME);
2776 INIT_DELAYED_WORK(&ieee->start_ibss_wq,ieee80211_start_ibss_wq);
2777 INIT_WORK(&ieee->associate_complete_wq, ieee80211_associate_complete_wq);
2778 INIT_WORK(&ieee->associate_procedure_wq, ieee80211_associate_procedure_wq);
2779 INIT_DELAYED_WORK(&ieee->softmac_scan_wq,ieee80211_softmac_scan_wq);
2780 INIT_DELAYED_WORK(&ieee->associate_retry_wq, ieee80211_associate_retry_wq);
2781 INIT_WORK(&ieee->wx_sync_scan_wq,ieee80211_wx_sync_scan_wq);
2784 sema_init(&ieee->wx_sem, 1);
2785 sema_init(&ieee->scan_sem, 1);
2787 spin_lock_init(&ieee->mgmt_tx_lock);
2788 spin_lock_init(&ieee->beacon_lock);
2790 tasklet_init(&ieee->ps_task,
2791 (void(*)(unsigned long)) ieee80211_sta_ps,
2792 (unsigned long)ieee);
2796 void ieee80211_softmac_free(struct ieee80211_device *ieee)
2798 down(&ieee->wx_sem);
2799 #ifdef ENABLE_DOT11D
2800 if(NULL != ieee->pDot11dInfo)
2802 kfree(ieee->pDot11dInfo);
2803 ieee->pDot11dInfo = NULL;
2806 del_timer_sync(&ieee->associate_timer);
2808 cancel_delayed_work(&ieee->associate_retry_wq);
2809 destroy_workqueue(ieee->wq);
2814 /********************************************************
2815 * Start of WPA code. *
2816 * this is stolen from the ipw2200 driver *
2817 ********************************************************/
2820 static int ieee80211_wpa_enable(struct ieee80211_device *ieee, int value)
2822 /* This is called when wpa_supplicant loads and closes the driver
2824 printk("%s WPA\n",value ? "enabling" : "disabling");
2825 ieee->wpa_enabled = value;
2830 void ieee80211_wpa_assoc_frame(struct ieee80211_device *ieee, char *wpa_ie, int wpa_ie_len)
2832 /* make sure WPA is enabled */
2833 ieee80211_wpa_enable(ieee, 1);
2835 ieee80211_disassociate(ieee);
2839 static int ieee80211_wpa_mlme(struct ieee80211_device *ieee, int command, int reason)
2845 case IEEE_MLME_STA_DEAUTH:
2849 case IEEE_MLME_STA_DISASSOC:
2850 ieee80211_disassociate(ieee);
2854 printk("Unknown MLME request: %d\n", command);
2862 static int ieee80211_wpa_set_wpa_ie(struct ieee80211_device *ieee,
2863 struct ieee_param *param, int plen)
2867 if (param->u.wpa_ie.len > MAX_WPA_IE_LEN ||
2868 (param->u.wpa_ie.len && param->u.wpa_ie.data == NULL))
2871 if (param->u.wpa_ie.len) {
2872 buf = kmemdup(param->u.wpa_ie.data, param->u.wpa_ie.len,
2877 kfree(ieee->wpa_ie);
2879 ieee->wpa_ie_len = param->u.wpa_ie.len;
2881 kfree(ieee->wpa_ie);
2882 ieee->wpa_ie = NULL;
2883 ieee->wpa_ie_len = 0;
2886 ieee80211_wpa_assoc_frame(ieee, ieee->wpa_ie, ieee->wpa_ie_len);
2890 #define AUTH_ALG_OPEN_SYSTEM 0x1
2891 #define AUTH_ALG_SHARED_KEY 0x2
2893 static int ieee80211_wpa_set_auth_algs(struct ieee80211_device *ieee, int value)
2896 struct ieee80211_security sec = {
2897 .flags = SEC_AUTH_MODE,
2901 if (value & AUTH_ALG_SHARED_KEY) {
2902 sec.auth_mode = WLAN_AUTH_SHARED_KEY;
2904 ieee->auth_mode = 1;
2905 } else if (value & AUTH_ALG_OPEN_SYSTEM){
2906 sec.auth_mode = WLAN_AUTH_OPEN;
2908 ieee->auth_mode = 0;
2910 else if (value & IW_AUTH_ALG_LEAP){
2911 sec.auth_mode = WLAN_AUTH_LEAP;
2913 ieee->auth_mode = 2;
2917 if (ieee->set_security)
2918 ieee->set_security(ieee->dev, &sec);
2920 // ret = -EOPNOTSUPP;
2925 static int ieee80211_wpa_set_param(struct ieee80211_device *ieee, u8 name, u32 value)
2928 unsigned long flags;
2931 case IEEE_PARAM_WPA_ENABLED:
2932 ret = ieee80211_wpa_enable(ieee, value);
2935 case IEEE_PARAM_TKIP_COUNTERMEASURES:
2936 ieee->tkip_countermeasures=value;
2939 case IEEE_PARAM_DROP_UNENCRYPTED: {
2942 * wpa_supplicant calls set_wpa_enabled when the driver
2943 * is loaded and unloaded, regardless of if WPA is being
2944 * used. No other calls are made which can be used to
2945 * determine if encryption will be used or not prior to
2946 * association being expected. If encryption is not being
2947 * used, drop_unencrypted is set to false, else true -- we
2948 * can use this to determine if the CAP_PRIVACY_ON bit should
2951 struct ieee80211_security sec = {
2952 .flags = SEC_ENABLED,
2955 ieee->drop_unencrypted = value;
2956 /* We only change SEC_LEVEL for open mode. Others
2957 * are set by ipw_wpa_set_encryption.
2960 sec.flags |= SEC_LEVEL;
2961 sec.level = SEC_LEVEL_0;
2964 sec.flags |= SEC_LEVEL;
2965 sec.level = SEC_LEVEL_1;
2967 if (ieee->set_security)
2968 ieee->set_security(ieee->dev, &sec);
2972 case IEEE_PARAM_PRIVACY_INVOKED:
2973 ieee->privacy_invoked=value;
2976 case IEEE_PARAM_AUTH_ALGS:
2977 ret = ieee80211_wpa_set_auth_algs(ieee, value);
2980 case IEEE_PARAM_IEEE_802_1X:
2981 ieee->ieee802_1x=value;
2983 case IEEE_PARAM_WPAX_SELECT:
2984 // added for WPA2 mixed mode
2985 spin_lock_irqsave(&ieee->wpax_suitlist_lock,flags);
2986 ieee->wpax_type_set = 1;
2987 ieee->wpax_type_notify = value;
2988 spin_unlock_irqrestore(&ieee->wpax_suitlist_lock,flags);
2992 printk("Unknown WPA param: %d\n",name);
2999 /* implementation borrowed from hostap driver */
3001 static int ieee80211_wpa_set_encryption(struct ieee80211_device *ieee,
3002 struct ieee_param *param, int param_len)
3006 struct ieee80211_crypto_ops *ops;
3007 struct ieee80211_crypt_data **crypt;
3009 struct ieee80211_security sec = {
3013 param->u.crypt.err = 0;
3014 param->u.crypt.alg[IEEE_CRYPT_ALG_NAME_LEN - 1] = '\0';
3017 (int) ((char *) param->u.crypt.key - (char *) param) +
3018 param->u.crypt.key_len) {
3019 printk("Len mismatch %d, %d\n", param_len,
3020 param->u.crypt.key_len);
3023 if (param->sta_addr[0] == 0xff && param->sta_addr[1] == 0xff &&
3024 param->sta_addr[2] == 0xff && param->sta_addr[3] == 0xff &&
3025 param->sta_addr[4] == 0xff && param->sta_addr[5] == 0xff) {
3026 if (param->u.crypt.idx >= WEP_KEYS)
3028 crypt = &ieee->crypt[param->u.crypt.idx];
3033 if (strcmp(param->u.crypt.alg, "none") == 0) {
3038 sec.level = SEC_LEVEL_0;
3039 sec.flags |= SEC_ENABLED | SEC_LEVEL;
3040 ieee80211_crypt_delayed_deinit(ieee, crypt);
3047 sec.flags |= SEC_ENABLED;
3049 /* IPW HW cannot build TKIP MIC, host decryption still needed. */
3050 if (!(ieee->host_encrypt || ieee->host_decrypt) &&
3051 strcmp(param->u.crypt.alg, "TKIP"))
3052 goto skip_host_crypt;
3054 ops = ieee80211_get_crypto_ops(param->u.crypt.alg);
3055 if (ops == NULL && strcmp(param->u.crypt.alg, "WEP") == 0) {
3056 request_module("ieee80211_crypt_wep");
3057 ops = ieee80211_get_crypto_ops(param->u.crypt.alg);
3058 //set WEP40 first, it will be modified according to WEP104 or WEP40 at other place
3059 } else if (ops == NULL && strcmp(param->u.crypt.alg, "TKIP") == 0) {
3060 request_module("ieee80211_crypt_tkip");
3061 ops = ieee80211_get_crypto_ops(param->u.crypt.alg);
3062 } else if (ops == NULL && strcmp(param->u.crypt.alg, "CCMP") == 0) {
3063 request_module("ieee80211_crypt_ccmp");
3064 ops = ieee80211_get_crypto_ops(param->u.crypt.alg);
3067 printk("unknown crypto alg '%s'\n", param->u.crypt.alg);
3068 param->u.crypt.err = IEEE_CRYPT_ERR_UNKNOWN_ALG;
3073 if (*crypt == NULL || (*crypt)->ops != ops) {
3074 struct ieee80211_crypt_data *new_crypt;
3076 ieee80211_crypt_delayed_deinit(ieee, crypt);
3078 new_crypt = kmalloc(sizeof(*new_crypt), GFP_KERNEL);
3079 if (new_crypt == NULL) {
3083 memset(new_crypt, 0, sizeof(struct ieee80211_crypt_data));
3084 new_crypt->ops = ops;
3085 if (new_crypt->ops && try_module_get(new_crypt->ops->owner))
3087 new_crypt->ops->init(param->u.crypt.idx);
3089 if (new_crypt->priv == NULL) {
3091 param->u.crypt.err = IEEE_CRYPT_ERR_CRYPT_INIT_FAILED;
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;
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;
3115 sec.flags &= ~SEC_ACTIVE_KEY;
3117 if (param->u.crypt.alg != NULL) {
3118 memcpy(sec.keys[param->u.crypt.idx],
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);
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;
3136 if (ieee->set_security)
3137 ieee->set_security(ieee->dev, &sec);
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 &&
3147 ieee->reset_port(ieee->dev)) {
3148 printk("reset_port failed\n");
3149 param->u.crypt.err = IEEE_CRYPT_ERR_CARD_CONF_FAILED;
3156 inline struct sk_buff *ieee80211_disassociate_skb(
3157 struct ieee80211_network *beacon,
3158 struct ieee80211_device *ieee,
3161 struct sk_buff *skb;
3162 struct ieee80211_disassoc *disass;
3164 skb = dev_alloc_skb(sizeof(struct ieee80211_disassoc));
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;
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);
3176 disass->reason = asRsn;
3183 struct ieee80211_device *ieee,
3188 struct ieee80211_network *beacon = &ieee->current_network;
3189 struct sk_buff *skb;
3190 skb = ieee80211_disassociate_skb(beacon,ieee,asRsn);
3192 softmac_mgmt_xmit(skb, ieee);
3193 //dev_kfree_skb_any(skb);//edit by thomas
3197 int ieee80211_wpa_supplicant_ioctl(struct ieee80211_device *ieee, struct iw_point *p)
3199 struct ieee_param *param;
3202 down(&ieee->wx_sem);
3203 //IEEE_DEBUG_INFO("wpa_supplicant: len=%d\n", p->length);
3205 if (p->length < sizeof(struct ieee_param) || !p->pointer){
3210 param = kmalloc(p->length, GFP_KERNEL);
3215 if (copy_from_user(param, p->pointer, p->length)) {
3221 switch (param->cmd) {
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);
3228 case IEEE_CMD_SET_WPA_IE:
3229 ret = ieee80211_wpa_set_wpa_ie(ieee, param, p->length);
3232 case IEEE_CMD_SET_ENCRYPTION:
3233 ret = ieee80211_wpa_set_encryption(ieee, param, p->length);
3237 ret = ieee80211_wpa_mlme(ieee, param->u.mlme.command,
3238 param->u.mlme.reason_code);
3242 printk("Unknown WPA supplicant request: %d\n",param->cmd);
3247 if (ret == 0 && copy_to_user(p->pointer, param, p->length))
3257 void notify_wx_assoc_event(struct ieee80211_device *ieee)
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);
3264 memset(wrqu.ap_addr.sa_data, 0, ETH_ALEN);
3265 wireless_send_event(ieee->dev, SIOCGIWAP, &wrqu, NULL);
3268 EXPORT_SYMBOL(ieee80211_get_beacon);
3269 EXPORT_SYMBOL(ieee80211_wake_queue);
3270 EXPORT_SYMBOL(ieee80211_stop_queue);
3271 EXPORT_SYMBOL(ieee80211_reset_queue);
3272 EXPORT_SYMBOL(ieee80211_softmac_stop_protocol);
3273 EXPORT_SYMBOL(ieee80211_softmac_start_protocol);
3274 EXPORT_SYMBOL(ieee80211_is_shortslot);
3275 EXPORT_SYMBOL(ieee80211_is_54g);
3276 EXPORT_SYMBOL(ieee80211_wpa_supplicant_ioctl);
3277 EXPORT_SYMBOL(ieee80211_ps_tx_ack);
3278 EXPORT_SYMBOL(ieee80211_softmac_xmit);
3279 EXPORT_SYMBOL(ieee80211_stop_send_beacons);
3280 EXPORT_SYMBOL(notify_wx_assoc_event);
3281 EXPORT_SYMBOL(SendDisassociation);
3282 EXPORT_SYMBOL(ieee80211_disassociate);
3283 EXPORT_SYMBOL(ieee80211_start_send_beacons);
3284 EXPORT_SYMBOL(ieee80211_stop_scan);
3285 EXPORT_SYMBOL(ieee80211_send_probe_requests);
3286 EXPORT_SYMBOL(ieee80211_softmac_scan_syncro);
3287 EXPORT_SYMBOL(ieee80211_start_scan_syncro);
3288 //EXPORT_SYMBOL(ieee80211_sta_ps_send_null_frame);