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7#include <linux/etherdevice.h>
8#include <drv_types.h>
9#include <rtw_debug.h>
10#include <hal_btcoex.h>
11#include <linux/jiffies.h>
12
13int rtw_init_mlme_priv(struct adapter *padapter)
14{
15 int i;
16 u8 *pbuf;
17 struct wlan_network *pnetwork;
18 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
19 int res = _SUCCESS;
20
21 pmlmepriv->nic_hdl = (u8 *)padapter;
22
23 pmlmepriv->pscanned = NULL;
24 pmlmepriv->fw_state = WIFI_STATION_STATE;
25
26 pmlmepriv->cur_network.network.infrastructure_mode = Ndis802_11AutoUnknown;
27 pmlmepriv->scan_mode = SCAN_ACTIVE;
28
29 spin_lock_init(&pmlmepriv->lock);
30 _rtw_init_queue(&pmlmepriv->free_bss_pool);
31 _rtw_init_queue(&pmlmepriv->scanned_queue);
32
33 set_scanned_network_val(pmlmepriv, 0);
34
35 memset(&pmlmepriv->assoc_ssid, 0, sizeof(struct ndis_802_11_ssid));
36
37 pbuf = vzalloc(array_size(MAX_BSS_CNT, sizeof(struct wlan_network)));
38
39 if (!pbuf) {
40 res = _FAIL;
41 goto exit;
42 }
43 pmlmepriv->free_bss_buf = pbuf;
44
45 pnetwork = (struct wlan_network *)pbuf;
46
47 for (i = 0; i < MAX_BSS_CNT; i++) {
48 INIT_LIST_HEAD(&pnetwork->list);
49
50 list_add_tail(&pnetwork->list, &pmlmepriv->free_bss_pool.queue);
51
52 pnetwork++;
53 }
54
55
56
57 rtw_clear_scan_deny(padapter);
58
59 #define RTW_ROAM_SCAN_RESULT_EXP_MS 5000
60 #define RTW_ROAM_RSSI_DIFF_TH 10
61 #define RTW_ROAM_SCAN_INTERVAL_MS 10000
62
63 pmlmepriv->roam_flags = 0
64 | RTW_ROAM_ON_EXPIRED
65 | RTW_ROAM_ON_RESUME
66 ;
67
68 pmlmepriv->roam_scanr_exp_ms = RTW_ROAM_SCAN_RESULT_EXP_MS;
69 pmlmepriv->roam_rssi_diff_th = RTW_ROAM_RSSI_DIFF_TH;
70 pmlmepriv->roam_scan_int_ms = RTW_ROAM_SCAN_INTERVAL_MS;
71
72 rtw_init_mlme_timer(padapter);
73
74exit:
75
76 return res;
77}
78
79static void rtw_free_mlme_ie_data(u8 **ppie, u32 *plen)
80{
81 if (*ppie) {
82 kfree(*ppie);
83 *plen = 0;
84 *ppie = NULL;
85 }
86}
87
88void rtw_free_mlme_priv_ie_data(struct mlme_priv *pmlmepriv)
89{
90 rtw_buf_free(&pmlmepriv->assoc_req, &pmlmepriv->assoc_req_len);
91 rtw_buf_free(&pmlmepriv->assoc_rsp, &pmlmepriv->assoc_rsp_len);
92 rtw_free_mlme_ie_data(&pmlmepriv->wps_beacon_ie, &pmlmepriv->wps_beacon_ie_len);
93 rtw_free_mlme_ie_data(&pmlmepriv->wps_probe_req_ie, &pmlmepriv->wps_probe_req_ie_len);
94 rtw_free_mlme_ie_data(&pmlmepriv->wps_probe_resp_ie, &pmlmepriv->wps_probe_resp_ie_len);
95 rtw_free_mlme_ie_data(&pmlmepriv->wps_assoc_resp_ie, &pmlmepriv->wps_assoc_resp_ie_len);
96
97 rtw_free_mlme_ie_data(&pmlmepriv->p2p_beacon_ie, &pmlmepriv->p2p_beacon_ie_len);
98 rtw_free_mlme_ie_data(&pmlmepriv->p2p_probe_req_ie, &pmlmepriv->p2p_probe_req_ie_len);
99 rtw_free_mlme_ie_data(&pmlmepriv->p2p_probe_resp_ie, &pmlmepriv->p2p_probe_resp_ie_len);
100 rtw_free_mlme_ie_data(&pmlmepriv->p2p_go_probe_resp_ie, &pmlmepriv->p2p_go_probe_resp_ie_len);
101 rtw_free_mlme_ie_data(&pmlmepriv->p2p_assoc_req_ie, &pmlmepriv->p2p_assoc_req_ie_len);
102}
103
104void _rtw_free_mlme_priv(struct mlme_priv *pmlmepriv)
105{
106 if (pmlmepriv) {
107 rtw_free_mlme_priv_ie_data(pmlmepriv);
108 vfree(pmlmepriv->free_bss_buf);
109 }
110}
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138struct wlan_network *rtw_alloc_network(struct mlme_priv *pmlmepriv)
139{
140 struct wlan_network *pnetwork;
141 struct __queue *free_queue = &pmlmepriv->free_bss_pool;
142 struct list_head *plist = NULL;
143
144 spin_lock_bh(&free_queue->lock);
145
146 if (list_empty(&free_queue->queue)) {
147 pnetwork = NULL;
148 goto exit;
149 }
150 plist = get_next(&(free_queue->queue));
151
152 pnetwork = container_of(plist, struct wlan_network, list);
153
154 list_del_init(&pnetwork->list);
155
156 pnetwork->network_type = 0;
157 pnetwork->fixed = false;
158 pnetwork->last_scanned = jiffies;
159 pnetwork->aid = 0;
160 pnetwork->join_res = 0;
161
162 pmlmepriv->num_of_scanned++;
163
164exit:
165 spin_unlock_bh(&free_queue->lock);
166
167 return pnetwork;
168}
169
170void _rtw_free_network(struct mlme_priv *pmlmepriv, struct wlan_network *pnetwork, u8 isfreeall)
171{
172 unsigned int delta_time;
173 u32 lifetime = SCANQUEUE_LIFETIME;
174
175 struct __queue *free_queue = &(pmlmepriv->free_bss_pool);
176
177 if (!pnetwork)
178 return;
179
180 if (pnetwork->fixed)
181 return;
182
183 if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == true) ||
184 (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true))
185 lifetime = 1;
186
187 if (!isfreeall) {
188 delta_time = jiffies_to_msecs(jiffies - pnetwork->last_scanned);
189 if (delta_time < lifetime)
190 return;
191 }
192
193 spin_lock_bh(&free_queue->lock);
194
195 list_del_init(&(pnetwork->list));
196
197 list_add_tail(&(pnetwork->list), &(free_queue->queue));
198
199 pmlmepriv->num_of_scanned--;
200
201 spin_unlock_bh(&free_queue->lock);
202}
203
204void _rtw_free_network_nolock(struct mlme_priv *pmlmepriv, struct wlan_network *pnetwork)
205{
206
207 struct __queue *free_queue = &(pmlmepriv->free_bss_pool);
208
209 if (!pnetwork)
210 return;
211
212 if (pnetwork->fixed)
213 return;
214
215
216
217 list_del_init(&(pnetwork->list));
218
219 list_add_tail(&(pnetwork->list), get_list_head(free_queue));
220
221 pmlmepriv->num_of_scanned--;
222
223
224}
225
226
227
228
229
230
231struct wlan_network *_rtw_find_network(struct __queue *scanned_queue, u8 *addr)
232{
233 struct list_head *phead, *plist;
234 struct wlan_network *pnetwork = NULL;
235 u8 zero_addr[ETH_ALEN] = {0, 0, 0, 0, 0, 0};
236
237 if (!memcmp(zero_addr, addr, ETH_ALEN)) {
238 pnetwork = NULL;
239 goto exit;
240 }
241
242
243
244 phead = get_list_head(scanned_queue);
245 list_for_each(plist, phead) {
246 pnetwork = list_entry(plist, struct wlan_network, list);
247
248 if (!memcmp(addr, pnetwork->network.mac_address, ETH_ALEN))
249 break;
250 }
251
252 if (plist == phead)
253 pnetwork = NULL;
254
255
256
257exit:
258 return pnetwork;
259}
260
261void rtw_free_network_queue(struct adapter *padapter, u8 isfreeall)
262{
263 struct list_head *phead, *plist, *tmp;
264 struct wlan_network *pnetwork;
265 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
266 struct __queue *scanned_queue = &pmlmepriv->scanned_queue;
267
268 spin_lock_bh(&scanned_queue->lock);
269
270 phead = get_list_head(scanned_queue);
271 list_for_each_safe(plist, tmp, phead) {
272
273 pnetwork = list_entry(plist, struct wlan_network, list);
274
275 _rtw_free_network(pmlmepriv, pnetwork, isfreeall);
276
277 }
278
279 spin_unlock_bh(&scanned_queue->lock);
280}
281
282signed int rtw_if_up(struct adapter *padapter)
283{
284 signed int res;
285
286 if (padapter->bDriverStopped || padapter->bSurpriseRemoved ||
287 (check_fwstate(&padapter->mlmepriv, _FW_LINKED) == false))
288 res = false;
289 else
290 res = true;
291
292 return res;
293}
294
295void rtw_generate_random_ibss(u8 *pibss)
296{
297 unsigned long curtime = jiffies;
298
299 pibss[0] = 0x02;
300 pibss[1] = 0x11;
301 pibss[2] = 0x87;
302 pibss[3] = (u8)(curtime & 0xff) ;
303 pibss[4] = (u8)((curtime>>8) & 0xff) ;
304 pibss[5] = (u8)((curtime>>16) & 0xff) ;
305}
306
307u8 *rtw_get_capability_from_ie(u8 *ie)
308{
309 return ie + 8 + 2;
310}
311
312u16 rtw_get_capability(struct wlan_bssid_ex *bss)
313{
314 __le16 val;
315
316 memcpy((u8 *)&val, rtw_get_capability_from_ie(bss->ies), 2);
317
318 return le16_to_cpu(val);
319}
320
321u8 *rtw_get_beacon_interval_from_ie(u8 *ie)
322{
323 return ie + 8;
324}
325
326void rtw_free_mlme_priv(struct mlme_priv *pmlmepriv)
327{
328 _rtw_free_mlme_priv(pmlmepriv);
329}
330
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337
338
339
340
341void rtw_free_network_nolock(struct adapter *padapter, struct wlan_network *pnetwork);
342void rtw_free_network_nolock(struct adapter *padapter, struct wlan_network *pnetwork)
343{
344 _rtw_free_network_nolock(&(padapter->mlmepriv), pnetwork);
345 rtw_cfg80211_unlink_bss(padapter, pnetwork);
346}
347
348
349
350
351
352
353struct wlan_network *rtw_find_network(struct __queue *scanned_queue, u8 *addr)
354{
355 struct wlan_network *pnetwork = _rtw_find_network(scanned_queue, addr);
356
357 return pnetwork;
358}
359
360int rtw_is_same_ibss(struct adapter *adapter, struct wlan_network *pnetwork)
361{
362 int ret = true;
363 struct security_priv *psecuritypriv = &adapter->securitypriv;
364
365 if ((psecuritypriv->dot11PrivacyAlgrthm != _NO_PRIVACY_) &&
366 (pnetwork->network.privacy == 0))
367 ret = false;
368 else if ((psecuritypriv->dot11PrivacyAlgrthm == _NO_PRIVACY_) &&
369 (pnetwork->network.privacy == 1))
370 ret = false;
371 else
372 ret = true;
373
374 return ret;
375
376}
377
378inline int is_same_ess(struct wlan_bssid_ex *a, struct wlan_bssid_ex *b)
379{
380 return (a->ssid.ssid_length == b->ssid.ssid_length)
381 && !memcmp(a->ssid.ssid, b->ssid.ssid, a->ssid.ssid_length);
382}
383
384int is_same_network(struct wlan_bssid_ex *src, struct wlan_bssid_ex *dst, u8 feature)
385{
386 u16 s_cap, d_cap;
387 __le16 tmps, tmpd;
388
389 if (rtw_bug_check(dst, src, &s_cap, &d_cap) == false)
390 return false;
391
392 memcpy((u8 *)&tmps, rtw_get_capability_from_ie(src->ies), 2);
393 memcpy((u8 *)&tmpd, rtw_get_capability_from_ie(dst->ies), 2);
394
395 s_cap = le16_to_cpu(tmps);
396 d_cap = le16_to_cpu(tmpd);
397
398 return (src->ssid.ssid_length == dst->ssid.ssid_length) &&
399
400 ((!memcmp(src->mac_address, dst->mac_address, ETH_ALEN))) &&
401 ((!memcmp(src->ssid.ssid, dst->ssid.ssid, src->ssid.ssid_length))) &&
402 ((s_cap & WLAN_CAPABILITY_IBSS) ==
403 (d_cap & WLAN_CAPABILITY_IBSS)) &&
404 ((s_cap & WLAN_CAPABILITY_ESS) ==
405 (d_cap & WLAN_CAPABILITY_ESS));
406
407}
408
409struct wlan_network *_rtw_find_same_network(struct __queue *scanned_queue, struct wlan_network *network)
410{
411 struct list_head *phead, *plist;
412 struct wlan_network *found = NULL;
413
414 phead = get_list_head(scanned_queue);
415 list_for_each(plist, phead) {
416 found = list_entry(plist, struct wlan_network, list);
417
418 if (is_same_network(&network->network, &found->network, 0))
419 break;
420 }
421
422 if (plist == phead)
423 found = NULL;
424
425 return found;
426}
427
428struct wlan_network *rtw_get_oldest_wlan_network(struct __queue *scanned_queue)
429{
430 struct list_head *plist, *phead;
431
432 struct wlan_network *pwlan = NULL;
433 struct wlan_network *oldest = NULL;
434
435 phead = get_list_head(scanned_queue);
436
437 list_for_each(plist, phead) {
438
439 pwlan = list_entry(plist, struct wlan_network, list);
440
441 if (!pwlan->fixed) {
442 if (oldest == NULL || time_after(oldest->last_scanned, pwlan->last_scanned))
443 oldest = pwlan;
444 }
445 }
446 return oldest;
447
448}
449
450void update_network(struct wlan_bssid_ex *dst, struct wlan_bssid_ex *src,
451 struct adapter *padapter, bool update_ie)
452{
453 long rssi_ori = dst->rssi;
454
455 u8 sq_smp = src->phy_info.signal_quality;
456
457 u8 ss_final;
458 u8 sq_final;
459 long rssi_final;
460
461
462 if (check_fwstate(&padapter->mlmepriv, _FW_LINKED) && is_same_network(&(padapter->mlmepriv.cur_network.network), src, 0)) {
463
464 ss_final = padapter->recvpriv.signal_strength;
465 sq_final = padapter->recvpriv.signal_qual;
466
467 if (sq_smp != 101)
468 rssi_final = (src->rssi+dst->rssi*4)/5;
469 else
470 rssi_final = rssi_ori;
471 } else {
472 if (sq_smp != 101) {
473 ss_final = ((u32)(src->phy_info.signal_strength)+(u32)(dst->phy_info.signal_strength)*4)/5;
474 sq_final = ((u32)(src->phy_info.signal_quality)+(u32)(dst->phy_info.signal_quality)*4)/5;
475 rssi_final = (src->rssi+dst->rssi*4)/5;
476 } else {
477
478 ss_final = dst->phy_info.signal_strength;
479 sq_final = dst->phy_info.signal_quality;
480 rssi_final = dst->rssi;
481 }
482
483 }
484
485 if (update_ie) {
486 dst->reserved[0] = src->reserved[0];
487 dst->reserved[1] = src->reserved[1];
488 memcpy((u8 *)dst, (u8 *)src, get_wlan_bssid_ex_sz(src));
489 }
490
491 dst->phy_info.signal_strength = ss_final;
492 dst->phy_info.signal_quality = sq_final;
493 dst->rssi = rssi_final;
494}
495
496static void update_current_network(struct adapter *adapter, struct wlan_bssid_ex *pnetwork)
497{
498 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
499
500 rtw_bug_check(&(pmlmepriv->cur_network.network),
501 &(pmlmepriv->cur_network.network),
502 &(pmlmepriv->cur_network.network),
503 &(pmlmepriv->cur_network.network));
504
505 if ((check_fwstate(pmlmepriv, _FW_LINKED) == true) && (is_same_network(&(pmlmepriv->cur_network.network), pnetwork, 0))) {
506
507 {
508 update_network(&(pmlmepriv->cur_network.network), pnetwork, adapter, true);
509 rtw_update_protection(adapter, (pmlmepriv->cur_network.network.ies) + sizeof(struct ndis_802_11_fix_ie),
510 pmlmepriv->cur_network.network.ie_length);
511 }
512 }
513}
514
515
516
517
518void rtw_update_scanned_network(struct adapter *adapter, struct wlan_bssid_ex *target)
519{
520 struct list_head *plist, *phead;
521 u32 bssid_ex_sz;
522 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
523 struct __queue *queue = &(pmlmepriv->scanned_queue);
524 struct wlan_network *pnetwork = NULL;
525 struct wlan_network *oldest = NULL;
526 int target_find = 0;
527 u8 feature = 0;
528
529 spin_lock_bh(&queue->lock);
530 phead = get_list_head(queue);
531 list_for_each(plist, phead) {
532 pnetwork = list_entry(plist, struct wlan_network, list);
533
534 rtw_bug_check(pnetwork, pnetwork, pnetwork, pnetwork);
535
536 if (is_same_network(&(pnetwork->network), target, feature)) {
537 target_find = 1;
538 break;
539 }
540
541 if (rtw_roam_flags(adapter)) {
542
543 }
544
545 if (oldest == NULL || time_after(oldest->last_scanned, pnetwork->last_scanned))
546 oldest = pnetwork;
547
548 }
549
550
551
552
553 if (!target_find) {
554 if (list_empty(&pmlmepriv->free_bss_pool.queue)) {
555
556
557 pnetwork = oldest;
558 if (!pnetwork)
559 goto exit;
560
561 memcpy(&(pnetwork->network), target, get_wlan_bssid_ex_sz(target));
562
563 pnetwork->fixed = false;
564 pnetwork->last_scanned = jiffies;
565
566 pnetwork->network_type = 0;
567 pnetwork->aid = 0;
568 pnetwork->join_res = 0;
569
570
571 if (pnetwork->network.phy_info.signal_quality == 101)
572 pnetwork->network.phy_info.signal_quality = 0;
573 } else {
574
575
576 pnetwork = rtw_alloc_network(pmlmepriv);
577
578 if (!pnetwork)
579 goto exit;
580
581 bssid_ex_sz = get_wlan_bssid_ex_sz(target);
582 target->length = bssid_ex_sz;
583 memcpy(&(pnetwork->network), target, bssid_ex_sz);
584
585 pnetwork->last_scanned = jiffies;
586
587
588 if (pnetwork->network.phy_info.signal_quality == 101)
589 pnetwork->network.phy_info.signal_quality = 0;
590
591 list_add_tail(&(pnetwork->list), &(queue->queue));
592
593 }
594 } else {
595
596
597
598
599 bool update_ie = true;
600
601 pnetwork->last_scanned = jiffies;
602
603
604 if (pnetwork->network.ie_length > target->ie_length && target->reserved[0] == 1)
605 update_ie = false;
606
607
608 if (target->reserved[0] != 2 &&
609 target->reserved[0] >= pnetwork->network.reserved[0]) {
610 update_ie = true;
611 } else {
612 update_ie = false;
613 }
614
615 update_network(&(pnetwork->network), target, adapter, update_ie);
616 }
617
618exit:
619 spin_unlock_bh(&queue->lock);
620}
621
622void rtw_add_network(struct adapter *adapter, struct wlan_bssid_ex *pnetwork);
623void rtw_add_network(struct adapter *adapter, struct wlan_bssid_ex *pnetwork)
624{
625
626
627
628
629 update_current_network(adapter, pnetwork);
630
631 rtw_update_scanned_network(adapter, pnetwork);
632
633
634}
635
636
637
638
639
640
641
642int rtw_is_desired_network(struct adapter *adapter, struct wlan_network *pnetwork);
643int rtw_is_desired_network(struct adapter *adapter, struct wlan_network *pnetwork)
644{
645 struct security_priv *psecuritypriv = &adapter->securitypriv;
646 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
647 u32 desired_encmode;
648 u32 privacy;
649
650
651 uint wps_ielen;
652
653 int bselected = true;
654
655 desired_encmode = psecuritypriv->ndisencryptstatus;
656 privacy = pnetwork->network.privacy;
657
658 if (check_fwstate(pmlmepriv, WIFI_UNDER_WPS)) {
659 if (rtw_get_wps_ie(pnetwork->network.ies+_FIXED_IE_LENGTH_, pnetwork->network.ie_length-_FIXED_IE_LENGTH_, NULL, &wps_ielen))
660 return true;
661 else
662 return false;
663
664 }
665 if (adapter->registrypriv.wifi_spec == 1) {
666 u8 *p = NULL;
667 uint ie_len = 0;
668
669 if ((desired_encmode == Ndis802_11EncryptionDisabled) && (privacy != 0))
670 bselected = false;
671
672 if (psecuritypriv->ndisauthtype == Ndis802_11AuthModeWPA2PSK) {
673 p = rtw_get_ie(pnetwork->network.ies + _BEACON_IE_OFFSET_, WLAN_EID_RSN, &ie_len, (pnetwork->network.ie_length - _BEACON_IE_OFFSET_));
674 if (p && ie_len > 0)
675 bselected = true;
676 else
677 bselected = false;
678 }
679 }
680
681 if ((desired_encmode != Ndis802_11EncryptionDisabled) && (privacy == 0))
682 bselected = false;
683
684 if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true) {
685 if (pnetwork->network.infrastructure_mode != pmlmepriv->cur_network.network.infrastructure_mode)
686 bselected = false;
687 }
688
689 return bselected;
690}
691
692
693void rtw_atimdone_event_callback(struct adapter *adapter, u8 *pbuf)
694{
695}
696
697void rtw_survey_event_callback(struct adapter *adapter, u8 *pbuf)
698{
699 u32 len;
700 struct wlan_bssid_ex *pnetwork;
701 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
702
703 pnetwork = (struct wlan_bssid_ex *)pbuf;
704
705 len = get_wlan_bssid_ex_sz(pnetwork);
706 if (len > (sizeof(struct wlan_bssid_ex)))
707 return;
708
709 spin_lock_bh(&pmlmepriv->lock);
710
711
712 if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) == true) {
713 if (!memcmp(&(pmlmepriv->cur_network.network.mac_address), pnetwork->mac_address, ETH_ALEN)) {
714 struct wlan_network *ibss_wlan = NULL;
715
716 memcpy(pmlmepriv->cur_network.network.ies, pnetwork->ies, 8);
717 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
718 ibss_wlan = rtw_find_network(&pmlmepriv->scanned_queue, pnetwork->mac_address);
719 if (ibss_wlan) {
720 memcpy(ibss_wlan->network.ies, pnetwork->ies, 8);
721 spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
722 goto exit;
723 }
724 spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
725 }
726 }
727
728
729 if ((check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) == false) {
730 if (pnetwork->ssid.ssid[0] == 0)
731 pnetwork->ssid.ssid_length = 0;
732 rtw_add_network(adapter, pnetwork);
733 }
734
735exit:
736
737 spin_unlock_bh(&pmlmepriv->lock);
738}
739
740void rtw_surveydone_event_callback(struct adapter *adapter, u8 *pbuf)
741{
742 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
743
744 spin_lock_bh(&pmlmepriv->lock);
745 if (pmlmepriv->wps_probe_req_ie) {
746 pmlmepriv->wps_probe_req_ie_len = 0;
747 kfree(pmlmepriv->wps_probe_req_ie);
748 pmlmepriv->wps_probe_req_ie = NULL;
749 }
750
751 if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY)) {
752 del_timer_sync(&pmlmepriv->scan_to_timer);
753 _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY);
754 }
755
756 rtw_set_signal_stat_timer(&adapter->recvpriv);
757
758 if (pmlmepriv->to_join) {
759 if ((check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true)) {
760 if (check_fwstate(pmlmepriv, _FW_LINKED) == false) {
761 set_fwstate(pmlmepriv, _FW_UNDER_LINKING);
762
763 if (rtw_select_and_join_from_scanned_queue(pmlmepriv) == _SUCCESS) {
764 _set_timer(&pmlmepriv->assoc_timer, MAX_JOIN_TIMEOUT);
765 } else {
766 u8 ret = _SUCCESS;
767 struct wlan_bssid_ex *pdev_network = &(adapter->registrypriv.dev_network);
768 u8 *pibss = adapter->registrypriv.dev_network.mac_address;
769
770
771 _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY);
772
773 memcpy(&pdev_network->ssid, &pmlmepriv->assoc_ssid, sizeof(struct ndis_802_11_ssid));
774
775 rtw_update_registrypriv_dev_network(adapter);
776 rtw_generate_random_ibss(pibss);
777
778 pmlmepriv->fw_state = WIFI_ADHOC_MASTER_STATE;
779
780 pmlmepriv->to_join = false;
781
782 ret = rtw_createbss_cmd(adapter);
783 if (ret != _SUCCESS)
784 goto unlock;
785 }
786 }
787 } else {
788 int s_ret;
789
790 set_fwstate(pmlmepriv, _FW_UNDER_LINKING);
791 pmlmepriv->to_join = false;
792 s_ret = rtw_select_and_join_from_scanned_queue(pmlmepriv);
793 if (_SUCCESS == s_ret) {
794 _set_timer(&pmlmepriv->assoc_timer, MAX_JOIN_TIMEOUT);
795 } else if (s_ret == 2) {
796 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
797 rtw_indicate_connect(adapter);
798 } else {
799 if (rtw_to_roam(adapter) != 0) {
800 if (rtw_dec_to_roam(adapter) == 0
801 || _SUCCESS != rtw_sitesurvey_cmd(adapter, &pmlmepriv->assoc_ssid, 1, NULL, 0)
802 ) {
803 rtw_set_to_roam(adapter, 0);
804 rtw_free_assoc_resources(adapter, 1);
805 rtw_indicate_disconnect(adapter);
806 } else {
807 pmlmepriv->to_join = true;
808 }
809 } else
810 rtw_indicate_disconnect(adapter);
811
812 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
813 }
814 }
815 } else {
816 if (rtw_chk_roam_flags(adapter, RTW_ROAM_ACTIVE)) {
817 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)
818 && check_fwstate(pmlmepriv, _FW_LINKED)) {
819 if (rtw_select_roaming_candidate(pmlmepriv) == _SUCCESS) {
820 receive_disconnect(adapter, pmlmepriv->cur_network.network.mac_address
821 , WLAN_REASON_ACTIVE_ROAM);
822 }
823 }
824 }
825 }
826
827unlock:
828 spin_unlock_bh(&pmlmepriv->lock);
829
830 rtw_os_xmit_schedule(adapter);
831
832 rtw_cfg80211_surveydone_event_callback(adapter);
833
834 rtw_indicate_scan_done(adapter, false);
835}
836
837void rtw_dummy_event_callback(struct adapter *adapter, u8 *pbuf)
838{
839}
840
841void rtw_fwdbg_event_callback(struct adapter *adapter, u8 *pbuf)
842{
843}
844
845static void free_scanqueue(struct mlme_priv *pmlmepriv)
846{
847 struct __queue *free_queue = &pmlmepriv->free_bss_pool;
848 struct __queue *scan_queue = &pmlmepriv->scanned_queue;
849 struct list_head *plist, *phead, *ptemp;
850
851 spin_lock_bh(&scan_queue->lock);
852 spin_lock_bh(&free_queue->lock);
853
854 phead = get_list_head(scan_queue);
855 plist = get_next(phead);
856
857 while (plist != phead) {
858 ptemp = get_next(plist);
859 list_del_init(plist);
860 list_add_tail(plist, &free_queue->queue);
861 plist = ptemp;
862 pmlmepriv->num_of_scanned--;
863 }
864
865 spin_unlock_bh(&free_queue->lock);
866 spin_unlock_bh(&scan_queue->lock);
867}
868
869static void rtw_reset_rx_info(struct debug_priv *pdbgpriv)
870{
871 pdbgpriv->dbg_rx_ampdu_drop_count = 0;
872 pdbgpriv->dbg_rx_ampdu_forced_indicate_count = 0;
873 pdbgpriv->dbg_rx_ampdu_loss_count = 0;
874 pdbgpriv->dbg_rx_dup_mgt_frame_drop_count = 0;
875 pdbgpriv->dbg_rx_ampdu_window_shift_cnt = 0;
876}
877
878static void find_network(struct adapter *adapter)
879{
880 struct wlan_network *pwlan = NULL;
881 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
882 struct wlan_network *tgt_network = &pmlmepriv->cur_network;
883
884 pwlan = rtw_find_network(&pmlmepriv->scanned_queue, tgt_network->network.mac_address);
885 if (pwlan)
886 pwlan->fixed = false;
887
888 if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) &&
889 (adapter->stapriv.asoc_sta_count == 1))
890 rtw_free_network_nolock(adapter, pwlan);
891}
892
893
894
895
896void rtw_free_assoc_resources(struct adapter *adapter, int lock_scanned_queue)
897{
898 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
899 struct wlan_network *tgt_network = &pmlmepriv->cur_network;
900 struct sta_priv *pstapriv = &adapter->stapriv;
901 struct dvobj_priv *psdpriv = adapter->dvobj;
902 struct debug_priv *pdbgpriv = &psdpriv->drv_dbg;
903
904 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE|WIFI_AP_STATE)) {
905 struct sta_info *psta;
906
907 psta = rtw_get_stainfo(&adapter->stapriv, tgt_network->network.mac_address);
908 spin_lock_bh(&(pstapriv->sta_hash_lock));
909 rtw_free_stainfo(adapter, psta);
910
911 spin_unlock_bh(&(pstapriv->sta_hash_lock));
912
913 }
914
915 if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE|WIFI_ADHOC_MASTER_STATE|WIFI_AP_STATE)) {
916 struct sta_info *psta;
917
918 rtw_free_all_stainfo(adapter);
919
920 psta = rtw_get_bcmc_stainfo(adapter);
921 rtw_free_stainfo(adapter, psta);
922
923 rtw_init_bcmc_stainfo(adapter);
924 }
925
926 find_network(adapter);
927
928 if (lock_scanned_queue)
929 adapter->securitypriv.key_mask = 0;
930
931 rtw_reset_rx_info(pdbgpriv);
932}
933
934
935
936
937void rtw_indicate_connect(struct adapter *padapter)
938{
939 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
940
941 pmlmepriv->to_join = false;
942
943 if (!check_fwstate(&padapter->mlmepriv, _FW_LINKED)) {
944
945 set_fwstate(pmlmepriv, _FW_LINKED);
946
947 rtw_os_indicate_connect(padapter);
948 }
949
950 rtw_set_to_roam(padapter, 0);
951 rtw_set_scan_deny(padapter, 3000);
952
953}
954
955
956
957
958void rtw_indicate_disconnect(struct adapter *padapter)
959{
960 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
961
962 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING|WIFI_UNDER_WPS);
963
964 if (rtw_to_roam(padapter) > 0)
965 _clr_fwstate_(pmlmepriv, _FW_LINKED);
966
967 if (check_fwstate(&padapter->mlmepriv, _FW_LINKED)
968 || (rtw_to_roam(padapter) <= 0)
969 ) {
970 rtw_os_indicate_disconnect(padapter);
971
972
973 rtw_set_ips_deny(padapter, 3000);
974
975 _clr_fwstate_(pmlmepriv, _FW_LINKED);
976
977 rtw_clear_scan_deny(padapter);
978 }
979
980 rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_DISCONNECT, 1);
981}
982
983inline void rtw_indicate_scan_done(struct adapter *padapter, bool aborted)
984{
985 rtw_os_indicate_scan_done(padapter, aborted);
986
987 if (is_primary_adapter(padapter) &&
988 (!adapter_to_pwrctl(padapter)->bInSuspend) &&
989 (!check_fwstate(&padapter->mlmepriv,
990 WIFI_ASOC_STATE|WIFI_UNDER_LINKING))) {
991 rtw_set_ips_deny(padapter, 0);
992 _set_timer(&padapter->mlmepriv.dynamic_chk_timer, 1);
993 }
994}
995
996void rtw_scan_abort(struct adapter *adapter)
997{
998 unsigned long start;
999 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
1000 struct mlme_ext_priv *pmlmeext = &(adapter->mlmeextpriv);
1001
1002 start = jiffies;
1003 pmlmeext->scan_abort = true;
1004 while (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY)
1005 && jiffies_to_msecs(start) <= 200) {
1006
1007 if (adapter->bDriverStopped || adapter->bSurpriseRemoved)
1008 break;
1009
1010 msleep(20);
1011 }
1012
1013 if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY))
1014 rtw_indicate_scan_done(adapter, true);
1015
1016 pmlmeext->scan_abort = false;
1017}
1018
1019static struct sta_info *rtw_joinbss_update_stainfo(struct adapter *padapter, struct wlan_network *pnetwork)
1020{
1021 int i;
1022 struct sta_info *bmc_sta, *psta = NULL;
1023 struct recv_reorder_ctrl *preorder_ctrl;
1024 struct sta_priv *pstapriv = &padapter->stapriv;
1025 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1026
1027 psta = rtw_get_stainfo(pstapriv, pnetwork->network.mac_address);
1028 if (!psta)
1029 psta = rtw_alloc_stainfo(pstapriv, pnetwork->network.mac_address);
1030
1031 if (psta) {
1032
1033 psta->aid = pnetwork->join_res;
1034
1035 update_sta_info(padapter, psta);
1036
1037
1038 psta->bssratelen = rtw_get_rateset_len(pnetwork->network.supported_rates);
1039 memcpy(psta->bssrateset, pnetwork->network.supported_rates, psta->bssratelen);
1040 rtw_hal_update_sta_rate_mask(padapter, psta);
1041
1042 psta->wireless_mode = pmlmeext->cur_wireless_mode;
1043 psta->raid = networktype_to_raid_ex(padapter, psta);
1044
1045
1046 rtw_hal_set_odm_var(padapter, HAL_ODM_STA_INFO, psta, true);
1047
1048
1049 if (padapter->securitypriv.dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) {
1050 padapter->securitypriv.binstallGrpkey = false;
1051 padapter->securitypriv.busetkipkey = false;
1052 padapter->securitypriv.bgrpkey_handshake = false;
1053
1054 psta->ieee8021x_blocked = true;
1055 psta->dot118021XPrivacy = padapter->securitypriv.dot11PrivacyAlgrthm;
1056
1057 memset((u8 *)&psta->dot118021x_UncstKey, 0, sizeof(union Keytype));
1058
1059 memset((u8 *)&psta->dot11tkiprxmickey, 0, sizeof(union Keytype));
1060 memset((u8 *)&psta->dot11tkiptxmickey, 0, sizeof(union Keytype));
1061
1062 memset((u8 *)&psta->dot11txpn, 0, sizeof(union pn48));
1063 psta->dot11txpn.val = psta->dot11txpn.val + 1;
1064 memset((u8 *)&psta->dot11wtxpn, 0, sizeof(union pn48));
1065 memset((u8 *)&psta->dot11rxpn, 0, sizeof(union pn48));
1066 }
1067
1068
1069
1070
1071 if (padapter->securitypriv.wps_ie_len != 0) {
1072 psta->ieee8021x_blocked = true;
1073 padapter->securitypriv.wps_ie_len = 0;
1074 }
1075
1076
1077
1078
1079 for (i = 0; i < 16 ; i++) {
1080
1081 preorder_ctrl = &psta->recvreorder_ctrl[i];
1082 preorder_ctrl->enable = false;
1083 preorder_ctrl->indicate_seq = 0xffff;
1084 preorder_ctrl->wend_b = 0xffff;
1085 preorder_ctrl->wsize_b = 64;
1086 }
1087
1088 bmc_sta = rtw_get_bcmc_stainfo(padapter);
1089 if (bmc_sta) {
1090 for (i = 0; i < 16 ; i++) {
1091
1092 preorder_ctrl = &bmc_sta->recvreorder_ctrl[i];
1093 preorder_ctrl->enable = false;
1094 preorder_ctrl->indicate_seq = 0xffff;
1095 preorder_ctrl->wend_b = 0xffff;
1096 preorder_ctrl->wsize_b = 64;
1097 }
1098 }
1099 }
1100
1101 return psta;
1102
1103}
1104
1105
1106
1107static void rtw_joinbss_update_network(struct adapter *padapter, struct wlan_network *ptarget_wlan, struct wlan_network *pnetwork)
1108{
1109 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
1110 struct wlan_network *cur_network = &(pmlmepriv->cur_network);
1111
1112
1113 memcpy(&cur_network->network, &pnetwork->network, pnetwork->network.length);
1114
1115 cur_network->network.ie_length = ptarget_wlan->network.ie_length;
1116 memcpy(&cur_network->network.ies[0], &ptarget_wlan->network.ies[0], MAX_IE_SZ);
1117
1118 cur_network->aid = pnetwork->join_res;
1119
1120 rtw_set_signal_stat_timer(&padapter->recvpriv);
1121
1122 padapter->recvpriv.signal_strength = ptarget_wlan->network.phy_info.signal_strength;
1123 padapter->recvpriv.signal_qual = ptarget_wlan->network.phy_info.signal_quality;
1124
1125 padapter->recvpriv.rssi = translate_percentage_to_dbm(ptarget_wlan->network.phy_info.signal_strength);
1126
1127 rtw_set_signal_stat_timer(&padapter->recvpriv);
1128
1129
1130 switch (pnetwork->network.infrastructure_mode) {
1131 case Ndis802_11Infrastructure:
1132
1133 if (pmlmepriv->fw_state&WIFI_UNDER_WPS)
1134 pmlmepriv->fw_state = WIFI_STATION_STATE|WIFI_UNDER_WPS;
1135 else
1136 pmlmepriv->fw_state = WIFI_STATION_STATE;
1137
1138 break;
1139 case Ndis802_11IBSS:
1140 pmlmepriv->fw_state = WIFI_ADHOC_STATE;
1141 break;
1142 default:
1143 pmlmepriv->fw_state = WIFI_NULL_STATE;
1144 break;
1145 }
1146
1147 rtw_update_protection(padapter, (cur_network->network.ies) + sizeof(struct ndis_802_11_fix_ie),
1148 (cur_network->network.ie_length));
1149
1150 rtw_update_ht_cap(padapter, cur_network->network.ies, cur_network->network.ie_length, (u8) cur_network->network.configuration.ds_config);
1151}
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161void rtw_joinbss_event_prehandle(struct adapter *adapter, u8 *pbuf)
1162{
1163 static u8 __maybe_unused retry;
1164 struct sta_info *ptarget_sta = NULL, *pcur_sta = NULL;
1165 struct sta_priv *pstapriv = &adapter->stapriv;
1166 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
1167 struct wlan_network *pnetwork = (struct wlan_network *)pbuf;
1168 struct wlan_network *cur_network = &(pmlmepriv->cur_network);
1169 struct wlan_network *pcur_wlan = NULL, *ptarget_wlan = NULL;
1170 unsigned int the_same_macaddr = false;
1171
1172 rtw_get_encrypt_decrypt_from_registrypriv(adapter);
1173
1174 the_same_macaddr = !memcmp(pnetwork->network.mac_address, cur_network->network.mac_address, ETH_ALEN);
1175
1176 pnetwork->network.length = get_wlan_bssid_ex_sz(&pnetwork->network);
1177 if (pnetwork->network.length > sizeof(struct wlan_bssid_ex))
1178 return;
1179
1180 spin_lock_bh(&pmlmepriv->lock);
1181
1182 pmlmepriv->LinkDetectInfo.TrafficTransitionCount = 0;
1183 pmlmepriv->LinkDetectInfo.LowPowerTransitionCount = 0;
1184
1185 if (pnetwork->join_res > 0) {
1186 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
1187 retry = 0;
1188 if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) {
1189
1190 if (check_fwstate(pmlmepriv, _FW_LINKED)) {
1191 if (the_same_macaddr) {
1192 ptarget_wlan = rtw_find_network(&pmlmepriv->scanned_queue, cur_network->network.mac_address);
1193 } else {
1194 pcur_wlan = rtw_find_network(&pmlmepriv->scanned_queue, cur_network->network.mac_address);
1195 if (pcur_wlan)
1196 pcur_wlan->fixed = false;
1197
1198 pcur_sta = rtw_get_stainfo(pstapriv, cur_network->network.mac_address);
1199 if (pcur_sta)
1200 rtw_free_stainfo(adapter, pcur_sta);
1201
1202 ptarget_wlan = rtw_find_network(&pmlmepriv->scanned_queue, pnetwork->network.mac_address);
1203 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
1204 if (ptarget_wlan)
1205 ptarget_wlan->fixed = true;
1206 }
1207 }
1208
1209 } else {
1210 ptarget_wlan = _rtw_find_same_network(&pmlmepriv->scanned_queue, pnetwork);
1211 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
1212 if (ptarget_wlan)
1213 ptarget_wlan->fixed = true;
1214 }
1215 }
1216
1217
1218 if (ptarget_wlan) {
1219 rtw_joinbss_update_network(adapter, ptarget_wlan, pnetwork);
1220 } else {
1221 netdev_dbg(adapter->pnetdev,
1222 "Can't find ptarget_wlan when joinbss_event callback\n");
1223 spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
1224 goto ignore_joinbss_callback;
1225 }
1226
1227
1228 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
1229 ptarget_sta = rtw_joinbss_update_stainfo(adapter, pnetwork);
1230 if (!ptarget_sta) {
1231 spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
1232 goto ignore_joinbss_callback;
1233 }
1234 }
1235
1236
1237 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
1238 pmlmepriv->cur_network_scanned = ptarget_wlan;
1239 rtw_indicate_connect(adapter);
1240 }
1241
1242
1243 del_timer_sync(&pmlmepriv->assoc_timer);
1244
1245 } else {
1246 spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
1247 goto ignore_joinbss_callback;
1248 }
1249
1250 spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
1251
1252 } else if (pnetwork->join_res == -4) {
1253 rtw_reset_securitypriv(adapter);
1254 _set_timer(&pmlmepriv->assoc_timer, 1);
1255
1256
1257
1258 if ((check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) == true)
1259 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
1260
1261 } else {
1262
1263 #ifdef REJOIN
1264 res = _FAIL;
1265 if (retry < 2)
1266 res = rtw_select_and_join_from_scanned_queue(pmlmepriv);
1267
1268 if (res == _SUCCESS) {
1269
1270 _set_timer(&pmlmepriv->assoc_timer, MAX_JOIN_TIMEOUT);
1271 retry++;
1272 } else if (res == 2) {
1273 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
1274 rtw_indicate_connect(adapter);
1275 } else {
1276 #endif
1277
1278 _set_timer(&pmlmepriv->assoc_timer, 1);
1279
1280 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
1281
1282 #ifdef REJOIN
1283 retry = 0;
1284 }
1285 #endif
1286 }
1287
1288ignore_joinbss_callback:
1289
1290 spin_unlock_bh(&pmlmepriv->lock);
1291}
1292
1293void rtw_joinbss_event_callback(struct adapter *adapter, u8 *pbuf)
1294{
1295 struct wlan_network *pnetwork = (struct wlan_network *)pbuf;
1296
1297 mlmeext_joinbss_event_callback(adapter, pnetwork->join_res);
1298
1299 rtw_os_xmit_schedule(adapter);
1300}
1301
1302
1303void rtw_sta_media_status_rpt(struct adapter *adapter, struct sta_info *psta, u32 mstatus)
1304{
1305 u16 media_status_rpt;
1306
1307 if (!psta)
1308 return;
1309
1310 media_status_rpt = (u16)((psta->mac_id<<8)|mstatus);
1311 rtw_hal_set_hwreg(adapter, HW_VAR_H2C_MEDIA_STATUS_RPT, (u8 *)&media_status_rpt);
1312}
1313
1314void rtw_stassoc_event_callback(struct adapter *adapter, u8 *pbuf)
1315{
1316 struct sta_info *psta;
1317 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
1318 struct stassoc_event *pstassoc = (struct stassoc_event *)pbuf;
1319 struct wlan_network *cur_network = &(pmlmepriv->cur_network);
1320 struct wlan_network *ptarget_wlan = NULL;
1321
1322 if (rtw_access_ctrl(adapter, pstassoc->macaddr) == false)
1323 return;
1324
1325 if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
1326 psta = rtw_get_stainfo(&adapter->stapriv, pstassoc->macaddr);
1327 if (psta) {
1328 u8 *passoc_req = NULL;
1329 u32 assoc_req_len = 0;
1330
1331 rtw_sta_media_status_rpt(adapter, psta, 1);
1332
1333 ap_sta_info_defer_update(adapter, psta);
1334
1335
1336 spin_lock_bh(&psta->lock);
1337 if (psta->passoc_req && psta->assoc_req_len > 0) {
1338 passoc_req = rtw_zmalloc(psta->assoc_req_len);
1339 if (passoc_req) {
1340 assoc_req_len = psta->assoc_req_len;
1341 memcpy(passoc_req, psta->passoc_req, assoc_req_len);
1342
1343 kfree(psta->passoc_req);
1344 psta->passoc_req = NULL;
1345 psta->assoc_req_len = 0;
1346 }
1347 }
1348 spin_unlock_bh(&psta->lock);
1349
1350 if (passoc_req && assoc_req_len > 0) {
1351 rtw_cfg80211_indicate_sta_assoc(adapter, passoc_req, assoc_req_len);
1352
1353 kfree(passoc_req);
1354 }
1355 }
1356 return;
1357 }
1358
1359
1360 psta = rtw_get_stainfo(&adapter->stapriv, pstassoc->macaddr);
1361 if (psta) {
1362
1363
1364 return;
1365 }
1366
1367 psta = rtw_alloc_stainfo(&adapter->stapriv, pstassoc->macaddr);
1368 if (!psta)
1369 return;
1370
1371
1372 psta->qos_option = 0;
1373 psta->mac_id = (uint)pstassoc->cam_id;
1374
1375
1376
1377 rtw_hal_set_odm_var(adapter, HAL_ODM_STA_INFO, psta, true);
1378
1379 rtw_sta_media_status_rpt(adapter, psta, 1);
1380
1381 if (adapter->securitypriv.dot11AuthAlgrthm == dot11AuthAlgrthm_8021X)
1382 psta->dot118021XPrivacy = adapter->securitypriv.dot11PrivacyAlgrthm;
1383
1384 psta->ieee8021x_blocked = false;
1385
1386 spin_lock_bh(&pmlmepriv->lock);
1387
1388 if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == true) ||
1389 (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true)) {
1390 if (adapter->stapriv.asoc_sta_count == 2) {
1391 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
1392 ptarget_wlan = rtw_find_network(&pmlmepriv->scanned_queue, cur_network->network.mac_address);
1393 pmlmepriv->cur_network_scanned = ptarget_wlan;
1394 if (ptarget_wlan)
1395 ptarget_wlan->fixed = true;
1396 spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
1397
1398 rtw_indicate_connect(adapter);
1399 }
1400 }
1401
1402 spin_unlock_bh(&pmlmepriv->lock);
1403
1404 mlmeext_sta_add_event_callback(adapter, psta);
1405}
1406
1407void rtw_stadel_event_callback(struct adapter *adapter, u8 *pbuf)
1408{
1409 int mac_id = (-1);
1410 struct sta_info *psta;
1411 struct wlan_network *pwlan = NULL;
1412 struct wlan_bssid_ex *pdev_network = NULL;
1413 u8 *pibss = NULL;
1414 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
1415 struct stadel_event *pstadel = (struct stadel_event *)pbuf;
1416 struct wlan_network *tgt_network = &(pmlmepriv->cur_network);
1417 struct mlme_ext_priv *pmlmeext = &adapter->mlmeextpriv;
1418 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1419
1420 psta = rtw_get_stainfo(&adapter->stapriv, pstadel->macaddr);
1421 if (psta)
1422 mac_id = psta->mac_id;
1423 else
1424 mac_id = pstadel->mac_id;
1425
1426 if (mac_id >= 0) {
1427 u16 media_status;
1428
1429 media_status = (mac_id<<8)|0;
1430
1431 rtw_hal_set_hwreg(adapter, HW_VAR_H2C_MEDIA_STATUS_RPT, (u8 *)&media_status);
1432 }
1433
1434
1435 if ((pmlmeinfo->state&0x03) == WIFI_FW_AP_STATE)
1436 return;
1437
1438 mlmeext_sta_del_event_callback(adapter);
1439
1440 spin_lock_bh(&pmlmepriv->lock);
1441
1442 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
1443 u16 reason = *((unsigned short *)(pstadel->rsvd));
1444 bool roam = false;
1445 struct wlan_network *roam_target = NULL;
1446
1447 if (adapter->registrypriv.wifi_spec == 1) {
1448 roam = false;
1449 } else if (reason == WLAN_REASON_EXPIRATION_CHK && rtw_chk_roam_flags(adapter, RTW_ROAM_ON_EXPIRED)) {
1450 roam = true;
1451 } else if (reason == WLAN_REASON_ACTIVE_ROAM && rtw_chk_roam_flags(adapter, RTW_ROAM_ACTIVE)) {
1452 roam = true;
1453 roam_target = pmlmepriv->roam_network;
1454 }
1455
1456 if (roam) {
1457 if (rtw_to_roam(adapter) > 0)
1458 rtw_dec_to_roam(adapter);
1459 else if (rtw_to_roam(adapter) == 0)
1460 rtw_set_to_roam(adapter, adapter->registrypriv.max_roaming_times);
1461 } else {
1462 rtw_set_to_roam(adapter, 0);
1463 }
1464
1465 rtw_free_uc_swdec_pending_queue(adapter);
1466
1467 rtw_free_assoc_resources(adapter, 1);
1468 rtw_indicate_disconnect(adapter);
1469
1470 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
1471
1472 pwlan = rtw_find_network(&pmlmepriv->scanned_queue, tgt_network->network.mac_address);
1473 if (pwlan) {
1474 pwlan->fixed = false;
1475 rtw_free_network_nolock(adapter, pwlan);
1476 }
1477 spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
1478
1479 _rtw_roaming(adapter, roam_target);
1480 }
1481
1482 if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) ||
1483 check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) {
1484
1485 rtw_free_stainfo(adapter, psta);
1486
1487 if (adapter->stapriv.asoc_sta_count == 1) {
1488 u8 ret = _SUCCESS;
1489
1490 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
1491
1492
1493 pwlan = rtw_find_network(&pmlmepriv->scanned_queue, tgt_network->network.mac_address);
1494 if (pwlan) {
1495 pwlan->fixed = false;
1496 rtw_free_network_nolock(adapter, pwlan);
1497 }
1498 spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
1499
1500 pdev_network = &(adapter->registrypriv.dev_network);
1501 pibss = adapter->registrypriv.dev_network.mac_address;
1502
1503 memcpy(pdev_network, &tgt_network->network, get_wlan_bssid_ex_sz(&tgt_network->network));
1504
1505 memcpy(&pdev_network->ssid, &pmlmepriv->assoc_ssid, sizeof(struct ndis_802_11_ssid));
1506
1507 rtw_update_registrypriv_dev_network(adapter);
1508
1509 rtw_generate_random_ibss(pibss);
1510
1511 if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) {
1512 set_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE);
1513 _clr_fwstate_(pmlmepriv, WIFI_ADHOC_STATE);
1514 }
1515
1516 ret = rtw_createbss_cmd(adapter);
1517 if (ret != _SUCCESS)
1518 goto unlock;
1519 }
1520
1521 }
1522
1523unlock:
1524 spin_unlock_bh(&pmlmepriv->lock);
1525}
1526
1527void rtw_cpwm_event_callback(struct adapter *padapter, u8 *pbuf)
1528{
1529 struct reportpwrstate_parm *preportpwrstate;
1530
1531 preportpwrstate = (struct reportpwrstate_parm *)pbuf;
1532 preportpwrstate->state |= (u8)(adapter_to_pwrctl(padapter)->cpwm_tog + 0x80);
1533 cpwm_int_hdl(padapter, preportpwrstate);
1534}
1535
1536void rtw_wmm_event_callback(struct adapter *padapter, u8 *pbuf)
1537{
1538 WMMOnAssocRsp(padapter);
1539}
1540
1541
1542
1543
1544
1545void _rtw_join_timeout_handler(struct timer_list *t)
1546{
1547 struct adapter *adapter = from_timer(adapter, t,
1548 mlmepriv.assoc_timer);
1549 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1550
1551 if (adapter->bDriverStopped || adapter->bSurpriseRemoved)
1552 return;
1553
1554 spin_lock_bh(&pmlmepriv->lock);
1555
1556 if (rtw_to_roam(adapter) > 0) {
1557 while (1) {
1558 rtw_dec_to_roam(adapter);
1559 if (rtw_to_roam(adapter) != 0) {
1560 int do_join_r;
1561
1562 do_join_r = rtw_do_join(adapter);
1563 if (_SUCCESS != do_join_r) {
1564 continue;
1565 }
1566 break;
1567 } else {
1568 rtw_indicate_disconnect(adapter);
1569 break;
1570 }
1571 }
1572
1573 } else {
1574 rtw_indicate_disconnect(adapter);
1575 free_scanqueue(pmlmepriv);
1576
1577
1578 rtw_cfg80211_indicate_disconnect(adapter);
1579
1580 }
1581
1582 spin_unlock_bh(&pmlmepriv->lock);
1583}
1584
1585
1586
1587
1588
1589void rtw_scan_timeout_handler(struct timer_list *t)
1590{
1591 struct adapter *adapter = from_timer(adapter, t,
1592 mlmepriv.scan_to_timer);
1593 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1594
1595 spin_lock_bh(&pmlmepriv->lock);
1596
1597 _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY);
1598
1599 spin_unlock_bh(&pmlmepriv->lock);
1600
1601 rtw_indicate_scan_done(adapter, true);
1602}
1603
1604void rtw_mlme_reset_auto_scan_int(struct adapter *adapter)
1605{
1606 struct mlme_priv *mlme = &adapter->mlmepriv;
1607 struct mlme_ext_priv *pmlmeext = &adapter->mlmeextpriv;
1608 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1609
1610 if (pmlmeinfo->VHT_enable)
1611 mlme->auto_scan_int_ms = 0;
1612 else if (adapter->registrypriv.wifi_spec && is_client_associated_to_ap(adapter) == true)
1613 mlme->auto_scan_int_ms = 60*1000;
1614 else if (rtw_chk_roam_flags(adapter, RTW_ROAM_ACTIVE)) {
1615 if (check_fwstate(mlme, WIFI_STATION_STATE) && check_fwstate(mlme, _FW_LINKED))
1616 mlme->auto_scan_int_ms = mlme->roam_scan_int_ms;
1617 } else
1618 mlme->auto_scan_int_ms = 0;
1619}
1620
1621static void rtw_auto_scan_handler(struct adapter *padapter)
1622{
1623 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1624
1625 rtw_mlme_reset_auto_scan_int(padapter);
1626
1627 if (pmlmepriv->auto_scan_int_ms != 0
1628 && jiffies_to_msecs(jiffies - pmlmepriv->scan_start_time) > pmlmepriv->auto_scan_int_ms) {
1629
1630 if (!padapter->registrypriv.wifi_spec) {
1631 if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY | _FW_UNDER_LINKING) == true)
1632 goto exit;
1633
1634 if (pmlmepriv->LinkDetectInfo.bBusyTraffic)
1635 goto exit;
1636 }
1637
1638 rtw_set_802_11_bssid_list_scan(padapter, NULL, 0);
1639 }
1640
1641exit:
1642 return;
1643}
1644
1645void rtw_dynamic_check_timer_handler(struct adapter *adapter)
1646{
1647 if (!adapter)
1648 return;
1649
1650 if (!adapter->hw_init_completed)
1651 return;
1652
1653 if (adapter->bDriverStopped || adapter->bSurpriseRemoved)
1654 return;
1655
1656 if (adapter->net_closed)
1657 return;
1658
1659 if ((adapter_to_pwrctl(adapter)->fw_current_in_ps_mode)
1660 && !(hal_btcoex_IsBtControlLps(adapter))
1661 ) {
1662 u8 bEnterPS;
1663
1664 linked_status_chk(adapter);
1665
1666 bEnterPS = traffic_status_watchdog(adapter, 1);
1667 if (bEnterPS) {
1668
1669 rtw_hal_dm_watchdog_in_lps(adapter);
1670 } else {
1671
1672 }
1673
1674 } else {
1675 if (is_primary_adapter(adapter))
1676 rtw_dynamic_chk_wk_cmd(adapter);
1677 }
1678
1679
1680 rtw_auto_scan_handler(adapter);
1681}
1682
1683inline bool rtw_is_scan_deny(struct adapter *adapter)
1684{
1685 struct mlme_priv *mlmepriv = &adapter->mlmepriv;
1686
1687 return (atomic_read(&mlmepriv->set_scan_deny) != 0) ? true : false;
1688}
1689
1690inline void rtw_clear_scan_deny(struct adapter *adapter)
1691{
1692 struct mlme_priv *mlmepriv = &adapter->mlmepriv;
1693
1694 atomic_set(&mlmepriv->set_scan_deny, 0);
1695}
1696
1697void rtw_set_scan_deny(struct adapter *adapter, u32 ms)
1698{
1699 struct mlme_priv *mlmepriv = &adapter->mlmepriv;
1700
1701 atomic_set(&mlmepriv->set_scan_deny, 1);
1702 _set_timer(&mlmepriv->set_scan_deny_timer, ms);
1703}
1704
1705
1706
1707
1708
1709
1710static int rtw_check_roaming_candidate(struct mlme_priv *mlme
1711 , struct wlan_network **candidate, struct wlan_network *competitor)
1712{
1713 int updated = false;
1714 struct adapter *adapter = container_of(mlme, struct adapter, mlmepriv);
1715
1716 if (is_same_ess(&competitor->network, &mlme->cur_network.network) == false)
1717 goto exit;
1718
1719 if (rtw_is_desired_network(adapter, competitor) == false)
1720 goto exit;
1721
1722
1723 if (!is_zero_mac_addr(mlme->roam_tgt_addr)) {
1724 if (!memcmp(mlme->roam_tgt_addr, competitor->network.mac_address, ETH_ALEN))
1725 goto update;
1726 else
1727 goto exit;
1728 }
1729 if (jiffies_to_msecs(jiffies - competitor->last_scanned) >= mlme->roam_scanr_exp_ms)
1730 goto exit;
1731
1732 if (competitor->network.rssi - mlme->cur_network_scanned->network.rssi < mlme->roam_rssi_diff_th)
1733 goto exit;
1734
1735 if (*candidate && (*candidate)->network.rssi >= competitor->network.rssi)
1736 goto exit;
1737
1738update:
1739 *candidate = competitor;
1740 updated = true;
1741
1742exit:
1743 return updated;
1744}
1745
1746int rtw_select_roaming_candidate(struct mlme_priv *mlme)
1747{
1748 int ret = _FAIL;
1749 struct list_head *phead;
1750 struct __queue *queue = &(mlme->scanned_queue);
1751 struct wlan_network *pnetwork = NULL;
1752 struct wlan_network *candidate = NULL;
1753
1754 if (!mlme->cur_network_scanned) {
1755 rtw_warn_on(1);
1756 return ret;
1757 }
1758
1759 spin_lock_bh(&(mlme->scanned_queue.lock));
1760 phead = get_list_head(queue);
1761
1762 list_for_each(mlme->pscanned, phead) {
1763
1764 pnetwork = list_entry(mlme->pscanned, struct wlan_network,
1765 list);
1766
1767 rtw_check_roaming_candidate(mlme, &candidate, pnetwork);
1768
1769 }
1770
1771 if (!candidate) {
1772 ret = _FAIL;
1773 goto exit;
1774 } else {
1775 mlme->roam_network = candidate;
1776
1777 if (!memcmp(candidate->network.mac_address, mlme->roam_tgt_addr, ETH_ALEN))
1778 eth_zero_addr(mlme->roam_tgt_addr);
1779 }
1780
1781 ret = _SUCCESS;
1782exit:
1783 spin_unlock_bh(&(mlme->scanned_queue.lock));
1784
1785 return ret;
1786}
1787
1788
1789
1790
1791
1792
1793static int rtw_check_join_candidate(struct mlme_priv *mlme
1794 , struct wlan_network **candidate, struct wlan_network *competitor)
1795{
1796 int updated = false;
1797 struct adapter *adapter = container_of(mlme, struct adapter, mlmepriv);
1798
1799
1800 if (mlme->assoc_by_bssid) {
1801 if (memcmp(competitor->network.mac_address, mlme->assoc_bssid, ETH_ALEN))
1802 goto exit;
1803 }
1804
1805
1806 if (mlme->assoc_ssid.ssid[0] && mlme->assoc_ssid.ssid_length) {
1807 if (competitor->network.ssid.ssid_length != mlme->assoc_ssid.ssid_length
1808 || memcmp(competitor->network.ssid.ssid, mlme->assoc_ssid.ssid, mlme->assoc_ssid.ssid_length)
1809 )
1810 goto exit;
1811 }
1812
1813 if (rtw_is_desired_network(adapter, competitor) == false)
1814 goto exit;
1815
1816 if (rtw_to_roam(adapter) > 0) {
1817 if (jiffies_to_msecs(jiffies - competitor->last_scanned) >= mlme->roam_scanr_exp_ms
1818 || is_same_ess(&competitor->network, &mlme->cur_network.network) == false
1819 )
1820 goto exit;
1821 }
1822
1823 if (*candidate == NULL || (*candidate)->network.rssi < competitor->network.rssi) {
1824 *candidate = competitor;
1825 updated = true;
1826 }
1827
1828exit:
1829 return updated;
1830}
1831
1832
1833
1834
1835
1836
1837
1838
1839int rtw_select_and_join_from_scanned_queue(struct mlme_priv *pmlmepriv)
1840{
1841 int ret;
1842 struct list_head *phead;
1843 struct adapter *adapter;
1844 struct __queue *queue = &(pmlmepriv->scanned_queue);
1845 struct wlan_network *pnetwork = NULL;
1846 struct wlan_network *candidate = NULL;
1847
1848 adapter = (struct adapter *)pmlmepriv->nic_hdl;
1849
1850 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
1851
1852 if (pmlmepriv->roam_network) {
1853 candidate = pmlmepriv->roam_network;
1854 pmlmepriv->roam_network = NULL;
1855 goto candidate_exist;
1856 }
1857
1858 phead = get_list_head(queue);
1859 list_for_each(pmlmepriv->pscanned, phead) {
1860
1861 pnetwork = list_entry(pmlmepriv->pscanned,
1862 struct wlan_network, list);
1863
1864 rtw_check_join_candidate(pmlmepriv, &candidate, pnetwork);
1865
1866 }
1867
1868 if (!candidate) {
1869 ret = _FAIL;
1870 goto exit;
1871 } else {
1872 goto candidate_exist;
1873 }
1874
1875candidate_exist:
1876
1877
1878 if (check_fwstate(pmlmepriv, _FW_LINKED) == true) {
1879 rtw_disassoc_cmd(adapter, 0, true);
1880 rtw_indicate_disconnect(adapter);
1881 rtw_free_assoc_resources(adapter, 0);
1882 }
1883
1884 set_fwstate(pmlmepriv, _FW_UNDER_LINKING);
1885 ret = rtw_joinbss_cmd(adapter, candidate);
1886
1887exit:
1888 spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
1889 return ret;
1890}
1891
1892signed int rtw_set_auth(struct adapter *adapter, struct security_priv *psecuritypriv)
1893{
1894 struct cmd_obj *pcmd;
1895 struct setauth_parm *psetauthparm;
1896 struct cmd_priv *pcmdpriv = &(adapter->cmdpriv);
1897 signed int res = _SUCCESS;
1898
1899 pcmd = rtw_zmalloc(sizeof(struct cmd_obj));
1900 if (!pcmd) {
1901 res = _FAIL;
1902 goto exit;
1903 }
1904
1905 psetauthparm = rtw_zmalloc(sizeof(struct setauth_parm));
1906 if (!psetauthparm) {
1907 kfree(pcmd);
1908 res = _FAIL;
1909 goto exit;
1910 }
1911
1912 psetauthparm->mode = (unsigned char)psecuritypriv->dot11AuthAlgrthm;
1913
1914 pcmd->cmdcode = _SetAuth_CMD_;
1915 pcmd->parmbuf = (unsigned char *)psetauthparm;
1916 pcmd->cmdsz = (sizeof(struct setauth_parm));
1917 pcmd->rsp = NULL;
1918 pcmd->rspsz = 0;
1919
1920 INIT_LIST_HEAD(&pcmd->list);
1921
1922 res = rtw_enqueue_cmd(pcmdpriv, pcmd);
1923
1924exit:
1925 return res;
1926}
1927
1928signed int rtw_set_key(struct adapter *adapter, struct security_priv *psecuritypriv, signed int keyid, u8 set_tx, bool enqueue)
1929{
1930 u8 keylen;
1931 struct cmd_obj *pcmd;
1932 struct setkey_parm *psetkeyparm;
1933 struct cmd_priv *pcmdpriv = &(adapter->cmdpriv);
1934 signed int res = _SUCCESS;
1935
1936 psetkeyparm = rtw_zmalloc(sizeof(struct setkey_parm));
1937 if (!psetkeyparm) {
1938 res = _FAIL;
1939 goto exit;
1940 }
1941
1942 if (psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_8021X)
1943 psetkeyparm->algorithm = (unsigned char)psecuritypriv->dot118021XGrpPrivacy;
1944 else
1945 psetkeyparm->algorithm = (u8)psecuritypriv->dot11PrivacyAlgrthm;
1946
1947 psetkeyparm->keyid = (u8)keyid;
1948 psetkeyparm->set_tx = set_tx;
1949 if (is_wep_enc(psetkeyparm->algorithm))
1950 adapter->securitypriv.key_mask |= BIT(psetkeyparm->keyid);
1951
1952 switch (psetkeyparm->algorithm) {
1953
1954 case _WEP40_:
1955 keylen = 5;
1956 memcpy(&(psetkeyparm->key[0]), &(psecuritypriv->dot11DefKey[keyid].skey[0]), keylen);
1957 break;
1958 case _WEP104_:
1959 keylen = 13;
1960 memcpy(&(psetkeyparm->key[0]), &(psecuritypriv->dot11DefKey[keyid].skey[0]), keylen);
1961 break;
1962 case _TKIP_:
1963 keylen = 16;
1964 memcpy(&psetkeyparm->key, &psecuritypriv->dot118021XGrpKey[keyid], keylen);
1965 psetkeyparm->grpkey = 1;
1966 break;
1967 case _AES_:
1968 keylen = 16;
1969 memcpy(&psetkeyparm->key, &psecuritypriv->dot118021XGrpKey[keyid], keylen);
1970 psetkeyparm->grpkey = 1;
1971 break;
1972 default:
1973 res = _FAIL;
1974 kfree(psetkeyparm);
1975 goto exit;
1976 }
1977
1978 if (enqueue) {
1979 pcmd = rtw_zmalloc(sizeof(struct cmd_obj));
1980 if (!pcmd) {
1981 kfree(psetkeyparm);
1982 res = _FAIL;
1983 goto exit;
1984 }
1985
1986 pcmd->cmdcode = _SetKey_CMD_;
1987 pcmd->parmbuf = (u8 *)psetkeyparm;
1988 pcmd->cmdsz = (sizeof(struct setkey_parm));
1989 pcmd->rsp = NULL;
1990 pcmd->rspsz = 0;
1991
1992 INIT_LIST_HEAD(&pcmd->list);
1993
1994 res = rtw_enqueue_cmd(pcmdpriv, pcmd);
1995 } else {
1996 setkey_hdl(adapter, (u8 *)psetkeyparm);
1997 kfree(psetkeyparm);
1998 }
1999exit:
2000 return res;
2001}
2002
2003
2004int rtw_restruct_wmm_ie(struct adapter *adapter, u8 *in_ie, u8 *out_ie, uint in_len, uint initial_out_len)
2005{
2006 unsigned int ielength = 0;
2007 unsigned int i, j;
2008
2009 i = 12;
2010 while (i < in_len) {
2011 ielength = initial_out_len;
2012
2013 if (in_ie[i] == 0xDD && in_ie[i+2] == 0x00 && in_ie[i+3] == 0x50 && in_ie[i+4] == 0xF2 && in_ie[i+5] == 0x02 && i+5 < in_len) {
2014 for (j = i; j < i + 9; j++) {
2015 out_ie[ielength] = in_ie[j];
2016 ielength++;
2017 }
2018 out_ie[initial_out_len + 1] = 0x07;
2019 out_ie[initial_out_len + 6] = 0x00;
2020 out_ie[initial_out_len + 8] = 0x00;
2021
2022 break;
2023 }
2024
2025 i += (in_ie[i+1]+2);
2026 }
2027
2028 return ielength;
2029
2030}
2031
2032
2033
2034
2035
2036
2037
2038
2039
2040
2041
2042
2043static int SecIsInPMKIDList(struct adapter *Adapter, u8 *bssid)
2044{
2045 struct security_priv *psecuritypriv = &Adapter->securitypriv;
2046 int i = 0;
2047
2048 do {
2049 if ((psecuritypriv->PMKIDList[i].bUsed) &&
2050 (!memcmp(psecuritypriv->PMKIDList[i].Bssid, bssid, ETH_ALEN))) {
2051 break;
2052 } else {
2053 i++;
2054
2055 }
2056
2057 } while (i < NUM_PMKID_CACHE);
2058
2059 if (i == NUM_PMKID_CACHE) {
2060 i = -1;
2061 } else {
2062
2063 }
2064
2065 return i;
2066
2067}
2068
2069
2070
2071
2072
2073
2074
2075
2076
2077static int rtw_append_pmkid(struct adapter *Adapter, int iEntry, u8 *ie, uint ie_len)
2078{
2079 struct security_priv *psecuritypriv = &Adapter->securitypriv;
2080
2081 if (ie[13] <= 20) {
2082
2083 ie[ie_len] = 1;
2084 ie_len++;
2085 ie[ie_len] = 0;
2086 ie_len++;
2087 memcpy(&ie[ie_len], &psecuritypriv->PMKIDList[iEntry].PMKID, 16);
2088
2089 ie_len += 16;
2090 ie[13] += 18;
2091
2092 }
2093 return ie_len;
2094}
2095
2096signed int rtw_restruct_sec_ie(struct adapter *adapter, u8 *in_ie, u8 *out_ie, uint in_len)
2097{
2098 u8 authmode = 0x0;
2099 uint ielength;
2100 int iEntry;
2101
2102 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
2103 struct security_priv *psecuritypriv = &adapter->securitypriv;
2104 uint ndisauthmode = psecuritypriv->ndisauthtype;
2105
2106
2107 memcpy(out_ie, in_ie, 12);
2108 ielength = 12;
2109 if ((ndisauthmode == Ndis802_11AuthModeWPA) || (ndisauthmode == Ndis802_11AuthModeWPAPSK))
2110 authmode = WLAN_EID_VENDOR_SPECIFIC;
2111 if ((ndisauthmode == Ndis802_11AuthModeWPA2) || (ndisauthmode == Ndis802_11AuthModeWPA2PSK))
2112 authmode = WLAN_EID_RSN;
2113
2114 if (check_fwstate(pmlmepriv, WIFI_UNDER_WPS)) {
2115 memcpy(out_ie+ielength, psecuritypriv->wps_ie, psecuritypriv->wps_ie_len);
2116
2117 ielength += psecuritypriv->wps_ie_len;
2118 } else if ((authmode == WLAN_EID_VENDOR_SPECIFIC) || (authmode == WLAN_EID_RSN)) {
2119
2120 memcpy(&out_ie[ielength], &psecuritypriv->supplicant_ie[0], psecuritypriv->supplicant_ie[1]+2);
2121
2122
2123
2124
2125
2126
2127
2128
2129 ielength += psecuritypriv->supplicant_ie[1]+2;
2130 rtw_report_sec_ie(adapter, authmode, psecuritypriv->supplicant_ie);
2131 }
2132
2133 iEntry = SecIsInPMKIDList(adapter, pmlmepriv->assoc_bssid);
2134 if (iEntry < 0) {
2135 return ielength;
2136 } else {
2137 if (authmode == WLAN_EID_RSN)
2138 ielength = rtw_append_pmkid(adapter, iEntry, out_ie, ielength);
2139 }
2140 return ielength;
2141}
2142
2143void rtw_init_registrypriv_dev_network(struct adapter *adapter)
2144{
2145 struct registry_priv *pregistrypriv = &adapter->registrypriv;
2146 struct eeprom_priv *peepriv = &adapter->eeprompriv;
2147 struct wlan_bssid_ex *pdev_network = &pregistrypriv->dev_network;
2148 u8 *myhwaddr = myid(peepriv);
2149
2150 memcpy(pdev_network->mac_address, myhwaddr, ETH_ALEN);
2151
2152 memcpy(&pdev_network->ssid, &pregistrypriv->ssid, sizeof(struct ndis_802_11_ssid));
2153
2154 pdev_network->configuration.length = sizeof(struct ndis_802_11_conf);
2155 pdev_network->configuration.beacon_period = 100;
2156}
2157
2158void rtw_update_registrypriv_dev_network(struct adapter *adapter)
2159{
2160 int sz = 0;
2161 struct registry_priv *pregistrypriv = &adapter->registrypriv;
2162 struct wlan_bssid_ex *pdev_network = &pregistrypriv->dev_network;
2163 struct security_priv *psecuritypriv = &adapter->securitypriv;
2164 struct wlan_network *cur_network = &adapter->mlmepriv.cur_network;
2165
2166
2167 pdev_network->privacy = (psecuritypriv->dot11PrivacyAlgrthm > 0 ? 1 : 0) ;
2168
2169 pdev_network->rssi = 0;
2170
2171 switch (pregistrypriv->wireless_mode) {
2172 case WIRELESS_11B:
2173 pdev_network->network_type_in_use = (Ndis802_11DS);
2174 break;
2175 case WIRELESS_11G:
2176 case WIRELESS_11BG:
2177 case WIRELESS_11_24N:
2178 case WIRELESS_11G_24N:
2179 case WIRELESS_11BG_24N:
2180 pdev_network->network_type_in_use = (Ndis802_11OFDM24);
2181 break;
2182 default:
2183
2184 break;
2185 }
2186
2187 pdev_network->configuration.ds_config = (pregistrypriv->channel);
2188
2189 if (cur_network->network.infrastructure_mode == Ndis802_11IBSS)
2190 pdev_network->configuration.atim_window = (0);
2191
2192 pdev_network->infrastructure_mode = (cur_network->network.infrastructure_mode);
2193
2194
2195
2196
2197
2198 sz = rtw_generate_ie(pregistrypriv);
2199
2200 pdev_network->ie_length = sz;
2201
2202 pdev_network->length = get_wlan_bssid_ex_sz((struct wlan_bssid_ex *)pdev_network);
2203
2204
2205
2206}
2207
2208void rtw_get_encrypt_decrypt_from_registrypriv(struct adapter *adapter)
2209{
2210}
2211
2212
2213void rtw_joinbss_reset(struct adapter *padapter)
2214{
2215 u8 threshold;
2216 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
2217
2218 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
2219
2220
2221
2222 pmlmepriv->num_FortyMHzIntolerant = 0;
2223
2224 pmlmepriv->num_sta_no_ht = 0;
2225
2226 phtpriv->ampdu_enable = false;
2227
2228
2229
2230 if (phtpriv->ht_option) {
2231 if (padapter->registrypriv.wifi_spec == 1)
2232 threshold = 1;
2233 else
2234 threshold = 0;
2235 rtw_hal_set_hwreg(padapter, HW_VAR_RXDMA_AGG_PG_TH, (u8 *)(&threshold));
2236 } else {
2237 threshold = 1;
2238 rtw_hal_set_hwreg(padapter, HW_VAR_RXDMA_AGG_PG_TH, (u8 *)(&threshold));
2239 }
2240}
2241
2242void rtw_ht_use_default_setting(struct adapter *padapter)
2243{
2244 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
2245 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
2246 struct registry_priv *pregistrypriv = &padapter->registrypriv;
2247 bool bHwLDPCSupport = false, bHwSTBCSupport = false;
2248 bool bHwSupportBeamformer = false, bHwSupportBeamformee = false;
2249
2250 if (pregistrypriv->wifi_spec)
2251 phtpriv->bss_coexist = 1;
2252 else
2253 phtpriv->bss_coexist = 0;
2254
2255 phtpriv->sgi_40m = TEST_FLAG(pregistrypriv->short_gi, BIT1) ? true : false;
2256 phtpriv->sgi_20m = TEST_FLAG(pregistrypriv->short_gi, BIT0) ? true : false;
2257
2258
2259 rtw_hal_get_def_var(padapter, HAL_DEF_RX_LDPC, (u8 *)&bHwLDPCSupport);
2260 CLEAR_FLAGS(phtpriv->ldpc_cap);
2261 if (bHwLDPCSupport) {
2262 if (TEST_FLAG(pregistrypriv->ldpc_cap, BIT4))
2263 SET_FLAG(phtpriv->ldpc_cap, LDPC_HT_ENABLE_RX);
2264 }
2265 rtw_hal_get_def_var(padapter, HAL_DEF_TX_LDPC, (u8 *)&bHwLDPCSupport);
2266 if (bHwLDPCSupport) {
2267 if (TEST_FLAG(pregistrypriv->ldpc_cap, BIT5))
2268 SET_FLAG(phtpriv->ldpc_cap, LDPC_HT_ENABLE_TX);
2269 }
2270
2271
2272 rtw_hal_get_def_var(padapter, HAL_DEF_TX_STBC, (u8 *)&bHwSTBCSupport);
2273 CLEAR_FLAGS(phtpriv->stbc_cap);
2274 if (bHwSTBCSupport) {
2275 if (TEST_FLAG(pregistrypriv->stbc_cap, BIT5))
2276 SET_FLAG(phtpriv->stbc_cap, STBC_HT_ENABLE_TX);
2277 }
2278 rtw_hal_get_def_var(padapter, HAL_DEF_RX_STBC, (u8 *)&bHwSTBCSupport);
2279 if (bHwSTBCSupport) {
2280 if (TEST_FLAG(pregistrypriv->stbc_cap, BIT4))
2281 SET_FLAG(phtpriv->stbc_cap, STBC_HT_ENABLE_RX);
2282 }
2283
2284
2285 rtw_hal_get_def_var(padapter, HAL_DEF_EXPLICIT_BEAMFORMER, (u8 *)&bHwSupportBeamformer);
2286 rtw_hal_get_def_var(padapter, HAL_DEF_EXPLICIT_BEAMFORMEE, (u8 *)&bHwSupportBeamformee);
2287 CLEAR_FLAGS(phtpriv->beamform_cap);
2288 if (TEST_FLAG(pregistrypriv->beamform_cap, BIT4) && bHwSupportBeamformer)
2289 SET_FLAG(phtpriv->beamform_cap, BEAMFORMING_HT_BEAMFORMER_ENABLE);
2290
2291 if (TEST_FLAG(pregistrypriv->beamform_cap, BIT5) && bHwSupportBeamformee)
2292 SET_FLAG(phtpriv->beamform_cap, BEAMFORMING_HT_BEAMFORMEE_ENABLE);
2293}
2294
2295void rtw_build_wmm_ie_ht(struct adapter *padapter, u8 *out_ie, uint *pout_len)
2296{
2297 unsigned char WMM_IE[] = {0x00, 0x50, 0xf2, 0x02, 0x00, 0x01, 0x00};
2298 int out_len;
2299
2300 if (padapter->mlmepriv.qospriv.qos_option == 0) {
2301 out_len = *pout_len;
2302 rtw_set_ie(out_ie+out_len, WLAN_EID_VENDOR_SPECIFIC,
2303 _WMM_IE_Length_, WMM_IE, pout_len);
2304
2305 padapter->mlmepriv.qospriv.qos_option = 1;
2306 }
2307}
2308
2309
2310unsigned int rtw_restructure_ht_ie(struct adapter *padapter, u8 *in_ie, u8 *out_ie, uint in_len, uint *pout_len, u8 channel)
2311{
2312 u32 ielen, out_len;
2313 enum ieee80211_max_ampdu_length_exp max_rx_ampdu_factor;
2314 unsigned char *p;
2315 struct ieee80211_ht_cap ht_capie;
2316 u8 cbw40_enable = 0, stbc_rx_enable = 0, operation_bw = 0;
2317 struct registry_priv *pregistrypriv = &padapter->registrypriv;
2318 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
2319 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
2320 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
2321
2322 phtpriv->ht_option = false;
2323
2324 out_len = *pout_len;
2325
2326 memset(&ht_capie, 0, sizeof(struct ieee80211_ht_cap));
2327
2328 ht_capie.cap_info = cpu_to_le16(IEEE80211_HT_CAP_DSSSCCK40);
2329
2330 if (phtpriv->sgi_20m)
2331 ht_capie.cap_info |= cpu_to_le16(IEEE80211_HT_CAP_SGI_20);
2332
2333
2334 if (!in_ie) {
2335
2336 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
2337 operation_bw = padapter->mlmeextpriv.cur_bwmode;
2338 if (operation_bw > CHANNEL_WIDTH_40)
2339 operation_bw = CHANNEL_WIDTH_40;
2340 } else
2341
2342 operation_bw = CHANNEL_WIDTH_40;
2343 } else {
2344 p = rtw_get_ie(in_ie, WLAN_EID_HT_OPERATION, &ielen, in_len);
2345 if (p && (ielen == sizeof(struct ieee80211_ht_addt_info))) {
2346 struct HT_info_element *pht_info = (struct HT_info_element *)(p+2);
2347
2348 if (pht_info->infos[0] & BIT(2)) {
2349 switch (pht_info->infos[0] & 0x3) {
2350 case 1:
2351 case 3:
2352 operation_bw = CHANNEL_WIDTH_40;
2353 break;
2354 default:
2355 operation_bw = CHANNEL_WIDTH_20;
2356 break;
2357 }
2358 } else {
2359 operation_bw = CHANNEL_WIDTH_20;
2360 }
2361 }
2362 }
2363
2364
2365 if (channel > 14) {
2366 if ((pregistrypriv->bw_mode & 0xf0) > 0)
2367 cbw40_enable = 1;
2368 } else {
2369 if ((pregistrypriv->bw_mode & 0x0f) > 0)
2370 cbw40_enable = 1;
2371 }
2372
2373 if ((cbw40_enable == 1) && (operation_bw == CHANNEL_WIDTH_40)) {
2374 ht_capie.cap_info |= cpu_to_le16(IEEE80211_HT_CAP_SUP_WIDTH);
2375 if (phtpriv->sgi_40m)
2376 ht_capie.cap_info |= cpu_to_le16(IEEE80211_HT_CAP_SGI_40);
2377 }
2378
2379 if (TEST_FLAG(phtpriv->stbc_cap, STBC_HT_ENABLE_TX))
2380 ht_capie.cap_info |= cpu_to_le16(IEEE80211_HT_CAP_TX_STBC);
2381
2382
2383 ht_capie.cap_info |= cpu_to_le16(IEEE80211_HT_CAP_SM_PS);
2384
2385 if (TEST_FLAG(phtpriv->stbc_cap, STBC_HT_ENABLE_RX)) {
2386 if ((channel <= 14 && pregistrypriv->rx_stbc == 0x1) ||
2387 (pregistrypriv->wifi_spec == 1))
2388 stbc_rx_enable = 1;
2389 }
2390
2391
2392 memcpy(&ht_capie.mcs, pmlmeext->default_supported_mcs_set, 16);
2393
2394
2395 if (stbc_rx_enable)
2396 ht_capie.cap_info |= cpu_to_le16(IEEE80211_HT_CAP_RX_STBC_1R);
2397
2398 set_mcs_rate_by_mask(ht_capie.mcs.rx_mask, MCS_RATE_1R);
2399
2400 {
2401 u32 rx_packet_offset, max_recvbuf_sz;
2402
2403 rtw_hal_get_def_var(padapter, HAL_DEF_RX_PACKET_OFFSET, &rx_packet_offset);
2404 rtw_hal_get_def_var(padapter, HAL_DEF_MAX_RECVBUF_SZ, &max_recvbuf_sz);
2405 }
2406
2407 if (padapter->driver_rx_ampdu_factor != 0xFF)
2408 max_rx_ampdu_factor =
2409 (enum ieee80211_max_ampdu_length_exp)padapter->driver_rx_ampdu_factor;
2410 else
2411 rtw_hal_get_def_var(padapter, HW_VAR_MAX_RX_AMPDU_FACTOR,
2412 &max_rx_ampdu_factor);
2413
2414
2415 ht_capie.ampdu_params_info = (max_rx_ampdu_factor&0x03);
2416
2417 if (padapter->securitypriv.dot11PrivacyAlgrthm == _AES_)
2418 ht_capie.ampdu_params_info |= (IEEE80211_HT_CAP_AMPDU_DENSITY&(0x07<<2));
2419 else
2420 ht_capie.ampdu_params_info |= (IEEE80211_HT_CAP_AMPDU_DENSITY&0x00);
2421
2422 rtw_set_ie(out_ie+out_len, WLAN_EID_HT_CAPABILITY,
2423 sizeof(struct ieee80211_ht_cap), (unsigned char *)&ht_capie, pout_len);
2424
2425 phtpriv->ht_option = true;
2426
2427 if (in_ie) {
2428 p = rtw_get_ie(in_ie, WLAN_EID_HT_OPERATION, &ielen, in_len);
2429 if (p && (ielen == sizeof(struct ieee80211_ht_addt_info))) {
2430 out_len = *pout_len;
2431 rtw_set_ie(out_ie+out_len, WLAN_EID_HT_OPERATION, ielen, p+2, pout_len);
2432 }
2433 }
2434
2435 return phtpriv->ht_option;
2436
2437}
2438
2439
2440void rtw_update_ht_cap(struct adapter *padapter, u8 *pie, uint ie_len, u8 channel)
2441{
2442 u8 *p, max_ampdu_sz;
2443 int len;
2444
2445 struct ieee80211_ht_cap *pht_capie;
2446
2447 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
2448 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
2449
2450 struct registry_priv *pregistrypriv = &padapter->registrypriv;
2451
2452 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
2453 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
2454 u8 cbw40_enable = 0;
2455
2456 if (!phtpriv->ht_option)
2457 return;
2458
2459 if ((!pmlmeinfo->HT_info_enable) || (!pmlmeinfo->HT_caps_enable))
2460 return;
2461
2462
2463 if (!(phtpriv->ampdu_enable) && pregistrypriv->ampdu_enable == 1) {
2464 phtpriv->ampdu_enable = true;
2465 }
2466
2467
2468 len = 0;
2469 p = rtw_get_ie(pie+sizeof(struct ndis_802_11_fix_ie), WLAN_EID_HT_CAPABILITY, &len, ie_len-sizeof(struct ndis_802_11_fix_ie));
2470 if (p && len > 0) {
2471 pht_capie = (struct ieee80211_ht_cap *)(p+2);
2472 max_ampdu_sz = (pht_capie->ampdu_params_info & IEEE80211_HT_CAP_AMPDU_FACTOR);
2473 max_ampdu_sz = 1 << (max_ampdu_sz+3);
2474
2475 phtpriv->rx_ampdu_maxlen = max_ampdu_sz;
2476
2477 }
2478
2479 len = 0;
2480 p = rtw_get_ie(pie+sizeof(struct ndis_802_11_fix_ie), WLAN_EID_HT_OPERATION, &len, ie_len-sizeof(struct ndis_802_11_fix_ie));
2481 if (p && len > 0) {
2482
2483 }
2484
2485 if (channel > 14) {
2486 if ((pregistrypriv->bw_mode & 0xf0) > 0)
2487 cbw40_enable = 1;
2488 } else {
2489 if ((pregistrypriv->bw_mode & 0x0f) > 0)
2490 cbw40_enable = 1;
2491 }
2492
2493
2494 if ((cbw40_enable) &&
2495 (le16_to_cpu(pmlmeinfo->HT_caps.u.HT_cap_element.HT_caps_info) &
2496 BIT(1)) && (pmlmeinfo->HT_info.infos[0] & BIT(2))) {
2497 int i;
2498
2499
2500 for (i = 0; i < 16; i++)
2501 pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate[i] &= pmlmeext->default_supported_mcs_set[i];
2502
2503
2504 set_mcs_rate_by_mask(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_RATE_1R);
2505
2506
2507
2508 switch ((pmlmeinfo->HT_info.infos[0] & 0x3)) {
2509 case EXTCHNL_OFFSET_UPPER:
2510 pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER;
2511 break;
2512
2513 case EXTCHNL_OFFSET_LOWER:
2514 pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_UPPER;
2515 break;
2516
2517 default:
2518 pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
2519 break;
2520 }
2521 }
2522
2523
2524
2525
2526 pmlmeinfo->SM_PS =
2527 (le16_to_cpu(pmlmeinfo->HT_caps.u.HT_cap_element.HT_caps_info) &
2528 0x0C) >> 2;
2529
2530
2531
2532
2533 pmlmeinfo->HT_protection = pmlmeinfo->HT_info.infos[1] & 0x3;
2534}
2535
2536void rtw_issue_addbareq_cmd(struct adapter *padapter, struct xmit_frame *pxmitframe)
2537{
2538 u8 issued;
2539 int priority;
2540 struct sta_info *psta = NULL;
2541 struct ht_priv *phtpriv;
2542 struct pkt_attrib *pattrib = &pxmitframe->attrib;
2543 s32 bmcst = IS_MCAST(pattrib->ra);
2544
2545
2546 if (bmcst || (padapter->mlmepriv.LinkDetectInfo.NumTxOkInPeriod < 100))
2547 return;
2548
2549 priority = pattrib->priority;
2550
2551 psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra);
2552 if (pattrib->psta != psta)
2553 return;
2554
2555 if (!psta)
2556 return;
2557
2558 if (!(psta->state & _FW_LINKED))
2559 return;
2560
2561 phtpriv = &psta->htpriv;
2562
2563 if (phtpriv->ht_option && phtpriv->ampdu_enable) {
2564 issued = (phtpriv->agg_enable_bitmap>>priority)&0x1;
2565 issued |= (phtpriv->candidate_tid_bitmap>>priority)&0x1;
2566
2567 if (0 == issued) {
2568 psta->htpriv.candidate_tid_bitmap |= BIT((u8)priority);
2569 rtw_addbareq_cmd(padapter, (u8) priority, pattrib->ra);
2570 }
2571 }
2572
2573}
2574
2575void rtw_append_exented_cap(struct adapter *padapter, u8 *out_ie, uint *pout_len)
2576{
2577 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
2578 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
2579 u8 cap_content[8] = {0};
2580
2581 if (phtpriv->bss_coexist)
2582 SET_EXT_CAPABILITY_ELE_BSS_COEXIST(cap_content, 1);
2583
2584 rtw_set_ie(out_ie + *pout_len, WLAN_EID_EXT_CAPABILITY, 8, cap_content, pout_len);
2585}
2586
2587inline void rtw_set_to_roam(struct adapter *adapter, u8 to_roam)
2588{
2589 if (to_roam == 0)
2590 adapter->mlmepriv.to_join = false;
2591 adapter->mlmepriv.to_roam = to_roam;
2592}
2593
2594inline u8 rtw_dec_to_roam(struct adapter *adapter)
2595{
2596 adapter->mlmepriv.to_roam--;
2597 return adapter->mlmepriv.to_roam;
2598}
2599
2600inline u8 rtw_to_roam(struct adapter *adapter)
2601{
2602 return adapter->mlmepriv.to_roam;
2603}
2604
2605void rtw_roaming(struct adapter *padapter, struct wlan_network *tgt_network)
2606{
2607 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
2608
2609 spin_lock_bh(&pmlmepriv->lock);
2610 _rtw_roaming(padapter, tgt_network);
2611 spin_unlock_bh(&pmlmepriv->lock);
2612}
2613void _rtw_roaming(struct adapter *padapter, struct wlan_network *tgt_network)
2614{
2615 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
2616 struct wlan_network *cur_network = &pmlmepriv->cur_network;
2617 int do_join_r;
2618
2619 if (0 < rtw_to_roam(padapter)) {
2620 memcpy(&pmlmepriv->assoc_ssid, &cur_network->network.ssid, sizeof(struct ndis_802_11_ssid));
2621
2622 pmlmepriv->assoc_by_bssid = false;
2623
2624 while (1) {
2625 do_join_r = rtw_do_join(padapter);
2626 if (_SUCCESS == do_join_r) {
2627 break;
2628 } else {
2629 rtw_dec_to_roam(padapter);
2630
2631 if (rtw_to_roam(padapter) > 0) {
2632 continue;
2633 } else {
2634 rtw_indicate_disconnect(padapter);
2635 break;
2636 }
2637 }
2638 }
2639 }
2640
2641}
2642
2643signed int rtw_linked_check(struct adapter *padapter)
2644{
2645 if ((check_fwstate(&padapter->mlmepriv, WIFI_AP_STATE) == true) ||
2646 (check_fwstate(&padapter->mlmepriv, WIFI_ADHOC_STATE|WIFI_ADHOC_MASTER_STATE) == true)) {
2647 if (padapter->stapriv.asoc_sta_count > 2)
2648 return true;
2649 } else {
2650 if (check_fwstate(&padapter->mlmepriv, _FW_LINKED) == true)
2651 return true;
2652 }
2653 return false;
2654}
2655