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6
7#define _RTW_MLME_C_
8
9#include <linux/etherdevice.h>
10#include <drv_types.h>
11#include <rtw_debug.h>
12#include <hal_btcoex.h>
13#include <linux/jiffies.h>
14
15extern u8 rtw_do_join(struct adapter *padapter);
16
17int rtw_init_mlme_priv(struct adapter *padapter)
18{
19 int i;
20 u8 *pbuf;
21 struct wlan_network *pnetwork;
22 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
23 int res = _SUCCESS;
24
25 pmlmepriv->nic_hdl = (u8 *)padapter;
26
27 pmlmepriv->pscanned = NULL;
28 pmlmepriv->fw_state = WIFI_STATION_STATE;
29
30 pmlmepriv->cur_network.network.InfrastructureMode = Ndis802_11AutoUnknown;
31 pmlmepriv->scan_mode = SCAN_ACTIVE;
32
33 spin_lock_init(&pmlmepriv->lock);
34 _rtw_init_queue(&pmlmepriv->free_bss_pool);
35 _rtw_init_queue(&pmlmepriv->scanned_queue);
36
37 set_scanned_network_val(pmlmepriv, 0);
38
39 memset(&pmlmepriv->assoc_ssid, 0, sizeof(struct ndis_802_11_ssid));
40
41 pbuf = vzalloc(array_size(MAX_BSS_CNT, sizeof(struct wlan_network)));
42
43 if (!pbuf) {
44 res = _FAIL;
45 goto exit;
46 }
47 pmlmepriv->free_bss_buf = pbuf;
48
49 pnetwork = (struct wlan_network *)pbuf;
50
51 for (i = 0; i < MAX_BSS_CNT; i++) {
52 INIT_LIST_HEAD(&pnetwork->list);
53
54 list_add_tail(&pnetwork->list, &pmlmepriv->free_bss_pool.queue);
55
56 pnetwork++;
57 }
58
59
60
61 rtw_clear_scan_deny(padapter);
62
63 #define RTW_ROAM_SCAN_RESULT_EXP_MS 5000
64 #define RTW_ROAM_RSSI_DIFF_TH 10
65 #define RTW_ROAM_SCAN_INTERVAL_MS 10000
66
67 pmlmepriv->roam_flags = 0
68 | RTW_ROAM_ON_EXPIRED
69 | RTW_ROAM_ON_RESUME
70 #ifdef CONFIG_LAYER2_ROAMING_ACTIVE
71 | RTW_ROAM_ACTIVE
72 #endif
73 ;
74
75 pmlmepriv->roam_scanr_exp_ms = RTW_ROAM_SCAN_RESULT_EXP_MS;
76 pmlmepriv->roam_rssi_diff_th = RTW_ROAM_RSSI_DIFF_TH;
77 pmlmepriv->roam_scan_int_ms = RTW_ROAM_SCAN_INTERVAL_MS;
78
79 rtw_init_mlme_timer(padapter);
80
81exit:
82
83 return res;
84}
85
86static void rtw_free_mlme_ie_data(u8 **ppie, u32 *plen)
87{
88 if (*ppie) {
89 kfree(*ppie);
90 *plen = 0;
91 *ppie = NULL;
92 }
93}
94
95void rtw_free_mlme_priv_ie_data(struct mlme_priv *pmlmepriv)
96{
97 rtw_buf_free(&pmlmepriv->assoc_req, &pmlmepriv->assoc_req_len);
98 rtw_buf_free(&pmlmepriv->assoc_rsp, &pmlmepriv->assoc_rsp_len);
99 rtw_free_mlme_ie_data(&pmlmepriv->wps_beacon_ie, &pmlmepriv->wps_beacon_ie_len);
100 rtw_free_mlme_ie_data(&pmlmepriv->wps_probe_req_ie, &pmlmepriv->wps_probe_req_ie_len);
101 rtw_free_mlme_ie_data(&pmlmepriv->wps_probe_resp_ie, &pmlmepriv->wps_probe_resp_ie_len);
102 rtw_free_mlme_ie_data(&pmlmepriv->wps_assoc_resp_ie, &pmlmepriv->wps_assoc_resp_ie_len);
103
104 rtw_free_mlme_ie_data(&pmlmepriv->p2p_beacon_ie, &pmlmepriv->p2p_beacon_ie_len);
105 rtw_free_mlme_ie_data(&pmlmepriv->p2p_probe_req_ie, &pmlmepriv->p2p_probe_req_ie_len);
106 rtw_free_mlme_ie_data(&pmlmepriv->p2p_probe_resp_ie, &pmlmepriv->p2p_probe_resp_ie_len);
107 rtw_free_mlme_ie_data(&pmlmepriv->p2p_go_probe_resp_ie, &pmlmepriv->p2p_go_probe_resp_ie_len);
108 rtw_free_mlme_ie_data(&pmlmepriv->p2p_assoc_req_ie, &pmlmepriv->p2p_assoc_req_ie_len);
109}
110
111void _rtw_free_mlme_priv(struct mlme_priv *pmlmepriv)
112{
113 if (pmlmepriv) {
114 rtw_free_mlme_priv_ie_data(pmlmepriv);
115 if (pmlmepriv->free_bss_buf)
116 vfree(pmlmepriv->free_bss_buf);
117 }
118}
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145
146struct wlan_network *rtw_alloc_network(struct mlme_priv *pmlmepriv)
147{
148 struct wlan_network *pnetwork;
149 struct __queue *free_queue = &pmlmepriv->free_bss_pool;
150 struct list_head *plist = NULL;
151
152 spin_lock_bh(&free_queue->lock);
153
154 if (list_empty(&free_queue->queue)) {
155 pnetwork = NULL;
156 goto exit;
157 }
158 plist = get_next(&(free_queue->queue));
159
160 pnetwork = LIST_CONTAINOR(plist, struct wlan_network, list);
161
162 list_del_init(&pnetwork->list);
163
164 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
165 ("rtw_alloc_network: ptr =%p\n", plist));
166 pnetwork->network_type = 0;
167 pnetwork->fixed = false;
168 pnetwork->last_scanned = jiffies;
169 pnetwork->aid = 0;
170 pnetwork->join_res = 0;
171
172 pmlmepriv->num_of_scanned++;
173
174exit:
175 spin_unlock_bh(&free_queue->lock);
176
177 return pnetwork;
178}
179
180void _rtw_free_network(struct mlme_priv *pmlmepriv, struct wlan_network *pnetwork, u8 isfreeall)
181{
182 unsigned int delta_time;
183 u32 lifetime = SCANQUEUE_LIFETIME;
184
185 struct __queue *free_queue = &(pmlmepriv->free_bss_pool);
186
187 if (!pnetwork)
188 return;
189
190 if (pnetwork->fixed)
191 return;
192
193 if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == true) ||
194 (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true))
195 lifetime = 1;
196
197 if (!isfreeall) {
198 delta_time = jiffies_to_msecs(jiffies - pnetwork->last_scanned);
199 if (delta_time < lifetime)
200 return;
201 }
202
203 spin_lock_bh(&free_queue->lock);
204
205 list_del_init(&(pnetwork->list));
206
207 list_add_tail(&(pnetwork->list), &(free_queue->queue));
208
209 pmlmepriv->num_of_scanned--;
210
211
212
213 spin_unlock_bh(&free_queue->lock);
214}
215
216void _rtw_free_network_nolock(struct mlme_priv *pmlmepriv, struct wlan_network *pnetwork)
217{
218
219 struct __queue *free_queue = &(pmlmepriv->free_bss_pool);
220
221 if (!pnetwork)
222 return;
223
224 if (pnetwork->fixed)
225 return;
226
227
228
229 list_del_init(&(pnetwork->list));
230
231 list_add_tail(&(pnetwork->list), get_list_head(free_queue));
232
233 pmlmepriv->num_of_scanned--;
234
235
236}
237
238
239
240
241
242
243struct wlan_network *_rtw_find_network(struct __queue *scanned_queue, u8 *addr)
244{
245 struct list_head *phead, *plist;
246 struct wlan_network *pnetwork = NULL;
247 u8 zero_addr[ETH_ALEN] = {0, 0, 0, 0, 0, 0};
248
249 if (!memcmp(zero_addr, addr, ETH_ALEN)) {
250 pnetwork = NULL;
251 goto exit;
252 }
253
254
255
256 phead = get_list_head(scanned_queue);
257 plist = get_next(phead);
258
259 while (plist != phead) {
260 pnetwork = LIST_CONTAINOR(plist, struct wlan_network, list);
261
262 if (!memcmp(addr, pnetwork->network.MacAddress, ETH_ALEN))
263 break;
264
265 plist = get_next(plist);
266 }
267
268 if (plist == phead)
269 pnetwork = NULL;
270
271
272
273exit:
274 return pnetwork;
275}
276
277void rtw_free_network_queue(struct adapter *padapter, u8 isfreeall)
278{
279 struct list_head *phead, *plist;
280 struct wlan_network *pnetwork;
281 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
282 struct __queue *scanned_queue = &pmlmepriv->scanned_queue;
283
284 spin_lock_bh(&scanned_queue->lock);
285
286 phead = get_list_head(scanned_queue);
287 plist = get_next(phead);
288
289 while (phead != plist) {
290
291 pnetwork = LIST_CONTAINOR(plist, struct wlan_network, list);
292
293 plist = get_next(plist);
294
295 _rtw_free_network(pmlmepriv, pnetwork, isfreeall);
296
297 }
298
299 spin_unlock_bh(&scanned_queue->lock);
300}
301
302sint rtw_if_up(struct adapter *padapter)
303{
304 sint res;
305
306 if (padapter->bDriverStopped || padapter->bSurpriseRemoved ||
307 (check_fwstate(&padapter->mlmepriv, _FW_LINKED) == false)) {
308 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("rtw_if_up:bDriverStopped(%d) OR bSurpriseRemoved(%d)", padapter->bDriverStopped, padapter->bSurpriseRemoved));
309 res = false;
310 } else
311 res = true;
312 return res;
313}
314
315void rtw_generate_random_ibss(u8 *pibss)
316{
317 unsigned long curtime = jiffies;
318
319 pibss[0] = 0x02;
320 pibss[1] = 0x11;
321 pibss[2] = 0x87;
322 pibss[3] = (u8)(curtime & 0xff) ;
323 pibss[4] = (u8)((curtime>>8) & 0xff) ;
324 pibss[5] = (u8)((curtime>>16) & 0xff) ;
325}
326
327u8 *rtw_get_capability_from_ie(u8 *ie)
328{
329 return ie + 8 + 2;
330}
331
332u16 rtw_get_capability(struct wlan_bssid_ex *bss)
333{
334 __le16 val;
335
336 memcpy((u8 *)&val, rtw_get_capability_from_ie(bss->IEs), 2);
337
338 return le16_to_cpu(val);
339}
340
341u8 *rtw_get_beacon_interval_from_ie(u8 *ie)
342{
343 return ie + 8;
344}
345
346void rtw_free_mlme_priv(struct mlme_priv *pmlmepriv)
347{
348 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("rtw_free_mlme_priv\n"));
349 _rtw_free_mlme_priv(pmlmepriv);
350}
351
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357
358
359
360
361
362void rtw_free_network_nolock(struct adapter *padapter, struct wlan_network *pnetwork);
363void rtw_free_network_nolock(struct adapter *padapter, struct wlan_network *pnetwork)
364{
365
366 _rtw_free_network_nolock(&(padapter->mlmepriv), pnetwork);
367 rtw_cfg80211_unlink_bss(padapter, pnetwork);
368}
369
370
371
372
373
374
375struct wlan_network *rtw_find_network(struct __queue *scanned_queue, u8 *addr)
376{
377 struct wlan_network *pnetwork = _rtw_find_network(scanned_queue, addr);
378
379 return pnetwork;
380}
381
382int rtw_is_same_ibss(struct adapter *adapter, struct wlan_network *pnetwork)
383{
384 int ret = true;
385 struct security_priv *psecuritypriv = &adapter->securitypriv;
386
387 if ((psecuritypriv->dot11PrivacyAlgrthm != _NO_PRIVACY_) &&
388 (pnetwork->network.Privacy == 0))
389 ret = false;
390 else if ((psecuritypriv->dot11PrivacyAlgrthm == _NO_PRIVACY_) &&
391 (pnetwork->network.Privacy == 1))
392 ret = false;
393 else
394 ret = true;
395
396 return ret;
397
398}
399
400inline int is_same_ess(struct wlan_bssid_ex *a, struct wlan_bssid_ex *b)
401{
402
403
404 return (a->Ssid.SsidLength == b->Ssid.SsidLength)
405 && !memcmp(a->Ssid.Ssid, b->Ssid.Ssid, a->Ssid.SsidLength);
406}
407
408int is_same_network(struct wlan_bssid_ex *src, struct wlan_bssid_ex *dst, u8 feature)
409{
410 u16 s_cap, d_cap;
411 __le16 tmps, tmpd;
412
413 if (rtw_bug_check(dst, src, &s_cap, &d_cap) == false)
414 return false;
415
416 memcpy((u8 *)&tmps, rtw_get_capability_from_ie(src->IEs), 2);
417 memcpy((u8 *)&tmpd, rtw_get_capability_from_ie(dst->IEs), 2);
418
419 s_cap = le16_to_cpu(tmps);
420 d_cap = le16_to_cpu(tmpd);
421
422 return (src->Ssid.SsidLength == dst->Ssid.SsidLength) &&
423
424 ((!memcmp(src->MacAddress, dst->MacAddress, ETH_ALEN))) &&
425 ((!memcmp(src->Ssid.Ssid, dst->Ssid.Ssid, src->Ssid.SsidLength))) &&
426 ((s_cap & WLAN_CAPABILITY_IBSS) ==
427 (d_cap & WLAN_CAPABILITY_IBSS)) &&
428 ((s_cap & WLAN_CAPABILITY_BSS) ==
429 (d_cap & WLAN_CAPABILITY_BSS));
430
431}
432
433struct wlan_network *_rtw_find_same_network(struct __queue *scanned_queue, struct wlan_network *network)
434{
435 struct list_head *phead, *plist;
436 struct wlan_network *found = NULL;
437
438 phead = get_list_head(scanned_queue);
439 plist = get_next(phead);
440
441 while (plist != phead) {
442 found = LIST_CONTAINOR(plist, struct wlan_network, list);
443
444 if (is_same_network(&network->network, &found->network, 0))
445 break;
446
447 plist = get_next(plist);
448 }
449
450 if (plist == phead)
451 found = NULL;
452
453 return found;
454}
455
456struct wlan_network *rtw_get_oldest_wlan_network(struct __queue *scanned_queue)
457{
458 struct list_head *plist, *phead;
459
460 struct wlan_network *pwlan = NULL;
461 struct wlan_network *oldest = NULL;
462
463 phead = get_list_head(scanned_queue);
464
465 plist = get_next(phead);
466
467 while (1) {
468
469 if (phead == plist)
470 break;
471
472 pwlan = LIST_CONTAINOR(plist, struct wlan_network, list);
473
474 if (!pwlan->fixed) {
475 if (oldest == NULL || time_after(oldest->last_scanned, pwlan->last_scanned))
476 oldest = pwlan;
477 }
478
479 plist = get_next(plist);
480 }
481 return oldest;
482
483}
484
485void update_network(struct wlan_bssid_ex *dst, struct wlan_bssid_ex *src,
486 struct adapter *padapter, bool update_ie)
487{
488 long rssi_ori = dst->Rssi;
489
490 u8 sq_smp = src->PhyInfo.SignalQuality;
491
492 u8 ss_final;
493 u8 sq_final;
494 long rssi_final;
495
496 #if defined(DBG_RX_SIGNAL_DISPLAY_SSID_MONITORED) && 1
497 if (strcmp(dst->Ssid.Ssid, DBG_RX_SIGNAL_DISPLAY_SSID_MONITORED) == 0) {
498 DBG_871X(FUNC_ADPT_FMT" %s("MAC_FMT", ch%u) ss_ori:%3u, sq_ori:%3u, rssi_ori:%3ld, ss_smp:%3u, sq_smp:%3u, rssi_smp:%3ld\n"
499 , FUNC_ADPT_ARG(padapter)
500 , src->Ssid.Ssid, MAC_ARG(src->MacAddress), src->Configuration.DSConfig
501 , ss_ori, sq_ori, rssi_ori
502 , ss_smp, sq_smp, rssi_smp
503 );
504 }
505 #endif
506
507
508 if (check_fwstate(&padapter->mlmepriv, _FW_LINKED) && is_same_network(&(padapter->mlmepriv.cur_network.network), src, 0)) {
509
510 ss_final = padapter->recvpriv.signal_strength;
511 sq_final = padapter->recvpriv.signal_qual;
512
513 if (sq_smp != 101)
514 rssi_final = (src->Rssi+dst->Rssi*4)/5;
515 else
516 rssi_final = rssi_ori;
517 } else {
518 if (sq_smp != 101) {
519 ss_final = ((u32)(src->PhyInfo.SignalStrength)+(u32)(dst->PhyInfo.SignalStrength)*4)/5;
520 sq_final = ((u32)(src->PhyInfo.SignalQuality)+(u32)(dst->PhyInfo.SignalQuality)*4)/5;
521 rssi_final = (src->Rssi+dst->Rssi*4)/5;
522 } else {
523
524 ss_final = dst->PhyInfo.SignalStrength;
525 sq_final = dst->PhyInfo.SignalQuality;
526 rssi_final = dst->Rssi;
527 }
528
529 }
530
531 if (update_ie) {
532 dst->Reserved[0] = src->Reserved[0];
533 dst->Reserved[1] = src->Reserved[1];
534 memcpy((u8 *)dst, (u8 *)src, get_wlan_bssid_ex_sz(src));
535 }
536
537 dst->PhyInfo.SignalStrength = ss_final;
538 dst->PhyInfo.SignalQuality = sq_final;
539 dst->Rssi = rssi_final;
540
541 #if defined(DBG_RX_SIGNAL_DISPLAY_SSID_MONITORED) && 1
542 if (strcmp(dst->Ssid.Ssid, DBG_RX_SIGNAL_DISPLAY_SSID_MONITORED) == 0) {
543 DBG_871X(FUNC_ADPT_FMT" %s("MAC_FMT"), SignalStrength:%u, SignalQuality:%u, RawRSSI:%ld\n"
544 , FUNC_ADPT_ARG(padapter)
545 , dst->Ssid.Ssid, MAC_ARG(dst->MacAddress), dst->PhyInfo.SignalStrength, dst->PhyInfo.SignalQuality, dst->Rssi);
546 }
547 #endif
548}
549
550static void update_current_network(struct adapter *adapter, struct wlan_bssid_ex *pnetwork)
551{
552 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
553
554 rtw_bug_check(&(pmlmepriv->cur_network.network),
555 &(pmlmepriv->cur_network.network),
556 &(pmlmepriv->cur_network.network),
557 &(pmlmepriv->cur_network.network));
558
559 if ((check_fwstate(pmlmepriv, _FW_LINKED) == true) && (is_same_network(&(pmlmepriv->cur_network.network), pnetwork, 0))) {
560
561
562
563 {
564 update_network(&(pmlmepriv->cur_network.network), pnetwork, adapter, true);
565 rtw_update_protection(adapter, (pmlmepriv->cur_network.network.IEs) + sizeof(struct ndis_802_11_fix_ie),
566 pmlmepriv->cur_network.network.IELength);
567 }
568 }
569}
570
571
572
573
574void rtw_update_scanned_network(struct adapter *adapter, struct wlan_bssid_ex *target)
575{
576 struct list_head *plist, *phead;
577 u32 bssid_ex_sz;
578 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
579 struct __queue *queue = &(pmlmepriv->scanned_queue);
580 struct wlan_network *pnetwork = NULL;
581 struct wlan_network *oldest = NULL;
582 int target_find = 0;
583 u8 feature = 0;
584
585 spin_lock_bh(&queue->lock);
586 phead = get_list_head(queue);
587 plist = get_next(phead);
588
589 while (1) {
590 if (phead == plist)
591 break;
592
593 pnetwork = LIST_CONTAINOR(plist, struct wlan_network, list);
594
595 rtw_bug_check(pnetwork, pnetwork, pnetwork, pnetwork);
596
597 if (is_same_network(&(pnetwork->network), target, feature)) {
598 target_find = 1;
599 break;
600 }
601
602 if (rtw_roam_flags(adapter)) {
603
604 }
605
606 if (oldest == NULL || time_after(oldest->last_scanned, pnetwork->last_scanned))
607 oldest = pnetwork;
608
609 plist = get_next(plist);
610
611 }
612
613
614
615
616 if (!target_find) {
617 if (list_empty(&pmlmepriv->free_bss_pool.queue)) {
618
619
620 pnetwork = oldest;
621 if (!pnetwork) {
622 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n\n\nsomething wrong here\n\n\n"));
623 goto exit;
624 }
625 memcpy(&(pnetwork->network), target, get_wlan_bssid_ex_sz(target));
626
627 pnetwork->fixed = false;
628 pnetwork->last_scanned = jiffies;
629
630 pnetwork->network_type = 0;
631 pnetwork->aid = 0;
632 pnetwork->join_res = 0;
633
634
635 if (pnetwork->network.PhyInfo.SignalQuality == 101)
636 pnetwork->network.PhyInfo.SignalQuality = 0;
637 } else {
638
639
640 pnetwork = rtw_alloc_network(pmlmepriv);
641
642 if (!pnetwork) {
643 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n\n\nsomething wrong here\n\n\n"));
644 goto exit;
645 }
646
647 bssid_ex_sz = get_wlan_bssid_ex_sz(target);
648 target->Length = bssid_ex_sz;
649 memcpy(&(pnetwork->network), target, bssid_ex_sz);
650
651 pnetwork->last_scanned = jiffies;
652
653
654 if (pnetwork->network.PhyInfo.SignalQuality == 101)
655 pnetwork->network.PhyInfo.SignalQuality = 0;
656
657 list_add_tail(&(pnetwork->list), &(queue->queue));
658
659 }
660 } else {
661
662
663
664
665 bool update_ie = true;
666
667 pnetwork->last_scanned = jiffies;
668
669
670 if ((pnetwork->network.IELength > target->IELength) && (target->Reserved[0] == 1))
671 update_ie = false;
672
673
674 if ((target->Reserved[0] != 2) &&
675 (target->Reserved[0] >= pnetwork->network.Reserved[0])
676 ) {
677 update_ie = true;
678 } else {
679 update_ie = false;
680 }
681
682 update_network(&(pnetwork->network), target, adapter, update_ie);
683 }
684
685exit:
686 spin_unlock_bh(&queue->lock);
687}
688
689void rtw_add_network(struct adapter *adapter, struct wlan_bssid_ex *pnetwork);
690void rtw_add_network(struct adapter *adapter, struct wlan_bssid_ex *pnetwork)
691{
692
693
694
695
696 update_current_network(adapter, pnetwork);
697
698 rtw_update_scanned_network(adapter, pnetwork);
699
700
701}
702
703
704
705
706
707
708
709int rtw_is_desired_network(struct adapter *adapter, struct wlan_network *pnetwork);
710int rtw_is_desired_network(struct adapter *adapter, struct wlan_network *pnetwork)
711{
712 struct security_priv *psecuritypriv = &adapter->securitypriv;
713 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
714 u32 desired_encmode;
715 u32 privacy;
716
717
718 uint wps_ielen;
719
720 int bselected = true;
721
722 desired_encmode = psecuritypriv->ndisencryptstatus;
723 privacy = pnetwork->network.Privacy;
724
725 if (check_fwstate(pmlmepriv, WIFI_UNDER_WPS)) {
726 if (rtw_get_wps_ie(pnetwork->network.IEs+_FIXED_IE_LENGTH_, pnetwork->network.IELength-_FIXED_IE_LENGTH_, NULL, &wps_ielen))
727 return true;
728 else
729 return false;
730
731 }
732 if (adapter->registrypriv.wifi_spec == 1) {
733 u8 *p = NULL;
734 uint ie_len = 0;
735
736 if ((desired_encmode == Ndis802_11EncryptionDisabled) && (privacy != 0))
737 bselected = false;
738
739 if (psecuritypriv->ndisauthtype == Ndis802_11AuthModeWPA2PSK) {
740 p = rtw_get_ie(pnetwork->network.IEs + _BEACON_IE_OFFSET_, _RSN_IE_2_, &ie_len, (pnetwork->network.IELength - _BEACON_IE_OFFSET_));
741 if (p && ie_len > 0)
742 bselected = true;
743 else
744 bselected = false;
745 }
746 }
747
748 if ((desired_encmode != Ndis802_11EncryptionDisabled) && (privacy == 0)) {
749 DBG_871X("desired_encmode: %d, privacy: %d\n", desired_encmode, privacy);
750 bselected = false;
751 }
752
753 if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true) {
754 if (pnetwork->network.InfrastructureMode != pmlmepriv->cur_network.network.InfrastructureMode)
755 bselected = false;
756 }
757
758 return bselected;
759}
760
761
762void rtw_atimdone_event_callback(struct adapter *adapter, u8 *pbuf)
763{
764 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("receive atimdone_event\n"));
765}
766
767void rtw_survey_event_callback(struct adapter *adapter, u8 *pbuf)
768{
769 u32 len;
770 struct wlan_bssid_ex *pnetwork;
771 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
772
773 pnetwork = (struct wlan_bssid_ex *)pbuf;
774
775 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("rtw_survey_event_callback, ssid =%s\n", pnetwork->Ssid.Ssid));
776
777 len = get_wlan_bssid_ex_sz(pnetwork);
778 if (len > (sizeof(struct wlan_bssid_ex))) {
779 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n ****rtw_survey_event_callback: return a wrong bss ***\n"));
780 return;
781 }
782
783 spin_lock_bh(&pmlmepriv->lock);
784
785
786 if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) == true) {
787
788 if (!memcmp(&(pmlmepriv->cur_network.network.MacAddress), pnetwork->MacAddress, ETH_ALEN)) {
789 struct wlan_network *ibss_wlan = NULL;
790
791 memcpy(pmlmepriv->cur_network.network.IEs, pnetwork->IEs, 8);
792 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
793 ibss_wlan = rtw_find_network(&pmlmepriv->scanned_queue, pnetwork->MacAddress);
794 if (ibss_wlan) {
795 memcpy(ibss_wlan->network.IEs, pnetwork->IEs, 8);
796 spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
797 goto exit;
798 }
799 spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
800 }
801 }
802
803
804 if ((check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) == false) {
805 if (pnetwork->Ssid.Ssid[0] == 0)
806 pnetwork->Ssid.SsidLength = 0;
807 rtw_add_network(adapter, pnetwork);
808 }
809
810exit:
811
812 spin_unlock_bh(&pmlmepriv->lock);
813}
814
815void rtw_surveydone_event_callback(struct adapter *adapter, u8 *pbuf)
816{
817 u8 timer_cancelled = false;
818 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
819
820 spin_lock_bh(&pmlmepriv->lock);
821 if (pmlmepriv->wps_probe_req_ie) {
822 pmlmepriv->wps_probe_req_ie_len = 0;
823 kfree(pmlmepriv->wps_probe_req_ie);
824 pmlmepriv->wps_probe_req_ie = NULL;
825 }
826
827 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("rtw_surveydone_event_callback: fw_state:%x\n\n", get_fwstate(pmlmepriv)));
828
829 if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY)) {
830
831
832 timer_cancelled = true;
833
834
835 _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY);
836 } else {
837
838 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("nic status =%x, survey done event comes too late!\n", get_fwstate(pmlmepriv)));
839 }
840 spin_unlock_bh(&pmlmepriv->lock);
841
842 if (timer_cancelled)
843 _cancel_timer(&pmlmepriv->scan_to_timer, &timer_cancelled);
844
845 spin_lock_bh(&pmlmepriv->lock);
846
847 rtw_set_signal_stat_timer(&adapter->recvpriv);
848
849 if (pmlmepriv->to_join) {
850 if ((check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true)) {
851 if (check_fwstate(pmlmepriv, _FW_LINKED) == false) {
852 set_fwstate(pmlmepriv, _FW_UNDER_LINKING);
853
854 if (rtw_select_and_join_from_scanned_queue(pmlmepriv) == _SUCCESS) {
855 _set_timer(&pmlmepriv->assoc_timer, MAX_JOIN_TIMEOUT);
856 } else {
857 struct wlan_bssid_ex *pdev_network = &(adapter->registrypriv.dev_network);
858 u8 *pibss = adapter->registrypriv.dev_network.MacAddress;
859
860
861 _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY);
862
863 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("switching to adhoc master\n"));
864
865 memcpy(&pdev_network->Ssid, &pmlmepriv->assoc_ssid, sizeof(struct ndis_802_11_ssid));
866
867 rtw_update_registrypriv_dev_network(adapter);
868 rtw_generate_random_ibss(pibss);
869
870 pmlmepriv->fw_state = WIFI_ADHOC_MASTER_STATE;
871
872 if (rtw_createbss_cmd(adapter) != _SUCCESS)
873 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Error =>rtw_createbss_cmd status FAIL\n"));
874
875 pmlmepriv->to_join = false;
876 }
877 }
878 } else {
879 int s_ret;
880 set_fwstate(pmlmepriv, _FW_UNDER_LINKING);
881 pmlmepriv->to_join = false;
882 s_ret = rtw_select_and_join_from_scanned_queue(pmlmepriv);
883 if (_SUCCESS == s_ret) {
884 _set_timer(&pmlmepriv->assoc_timer, MAX_JOIN_TIMEOUT);
885 } else if (s_ret == 2) {
886 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
887 rtw_indicate_connect(adapter);
888 } else {
889 DBG_871X("try_to_join, but select scanning queue fail, to_roam:%d\n", rtw_to_roam(adapter));
890
891 if (rtw_to_roam(adapter) != 0) {
892 if (rtw_dec_to_roam(adapter) == 0
893 || _SUCCESS != rtw_sitesurvey_cmd(adapter, &pmlmepriv->assoc_ssid, 1, NULL, 0)
894 ) {
895 rtw_set_to_roam(adapter, 0);
896 rtw_free_assoc_resources(adapter, 1);
897 rtw_indicate_disconnect(adapter);
898 } else {
899 pmlmepriv->to_join = true;
900 }
901 } else
902 rtw_indicate_disconnect(adapter);
903
904 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
905 }
906 }
907 } else {
908 if (rtw_chk_roam_flags(adapter, RTW_ROAM_ACTIVE)) {
909 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)
910 && check_fwstate(pmlmepriv, _FW_LINKED)) {
911 if (rtw_select_roaming_candidate(pmlmepriv) == _SUCCESS) {
912 receive_disconnect(adapter, pmlmepriv->cur_network.network.MacAddress
913 , WLAN_REASON_ACTIVE_ROAM);
914 }
915 }
916 }
917 }
918
919
920
921 spin_unlock_bh(&pmlmepriv->lock);
922
923 rtw_os_xmit_schedule(adapter);
924
925 rtw_cfg80211_surveydone_event_callback(adapter);
926
927 rtw_indicate_scan_done(adapter, false);
928}
929
930void rtw_dummy_event_callback(struct adapter *adapter, u8 *pbuf)
931{
932}
933
934void rtw_fwdbg_event_callback(struct adapter *adapter, u8 *pbuf)
935{
936}
937
938static void free_scanqueue(struct mlme_priv *pmlmepriv)
939{
940 struct __queue *free_queue = &pmlmepriv->free_bss_pool;
941 struct __queue *scan_queue = &pmlmepriv->scanned_queue;
942 struct list_head *plist, *phead, *ptemp;
943
944 RT_TRACE(_module_rtl871x_mlme_c_, _drv_notice_, ("+free_scanqueue\n"));
945 spin_lock_bh(&scan_queue->lock);
946 spin_lock_bh(&free_queue->lock);
947
948 phead = get_list_head(scan_queue);
949 plist = get_next(phead);
950
951 while (plist != phead) {
952 ptemp = get_next(plist);
953 list_del_init(plist);
954 list_add_tail(plist, &free_queue->queue);
955 plist = ptemp;
956 pmlmepriv->num_of_scanned--;
957 }
958
959 spin_unlock_bh(&free_queue->lock);
960 spin_unlock_bh(&scan_queue->lock);
961}
962
963static void rtw_reset_rx_info(struct debug_priv *pdbgpriv)
964{
965 pdbgpriv->dbg_rx_ampdu_drop_count = 0;
966 pdbgpriv->dbg_rx_ampdu_forced_indicate_count = 0;
967 pdbgpriv->dbg_rx_ampdu_loss_count = 0;
968 pdbgpriv->dbg_rx_dup_mgt_frame_drop_count = 0;
969 pdbgpriv->dbg_rx_ampdu_window_shift_cnt = 0;
970}
971
972static void find_network(struct adapter *adapter)
973{
974 struct wlan_network *pwlan = NULL;
975 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
976 struct wlan_network *tgt_network = &pmlmepriv->cur_network;
977
978 pwlan = rtw_find_network(&pmlmepriv->scanned_queue, tgt_network->network.MacAddress);
979 if (pwlan)
980 pwlan->fixed = false;
981 else
982 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("rtw_free_assoc_resources : pwlan == NULL\n\n"));
983
984 if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) &&
985 (adapter->stapriv.asoc_sta_count == 1))
986 rtw_free_network_nolock(adapter, pwlan);
987}
988
989
990
991
992void rtw_free_assoc_resources(struct adapter *adapter, int lock_scanned_queue)
993{
994 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
995 struct wlan_network *tgt_network = &pmlmepriv->cur_network;
996 struct sta_priv *pstapriv = &adapter->stapriv;
997 struct dvobj_priv *psdpriv = adapter->dvobj;
998 struct debug_priv *pdbgpriv = &psdpriv->drv_dbg;
999
1000 RT_TRACE(_module_rtl871x_mlme_c_, _drv_notice_, ("+rtw_free_assoc_resources\n"));
1001 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("tgt_network->network.MacAddress ="MAC_FMT" ssid =%s\n",
1002 MAC_ARG(tgt_network->network.MacAddress), tgt_network->network.Ssid.Ssid));
1003
1004 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE|WIFI_AP_STATE)) {
1005 struct sta_info *psta;
1006
1007 psta = rtw_get_stainfo(&adapter->stapriv, tgt_network->network.MacAddress);
1008 spin_lock_bh(&(pstapriv->sta_hash_lock));
1009 rtw_free_stainfo(adapter, psta);
1010
1011 spin_unlock_bh(&(pstapriv->sta_hash_lock));
1012
1013 }
1014
1015 if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE|WIFI_ADHOC_MASTER_STATE|WIFI_AP_STATE)) {
1016 struct sta_info *psta;
1017
1018 rtw_free_all_stainfo(adapter);
1019
1020 psta = rtw_get_bcmc_stainfo(adapter);
1021 rtw_free_stainfo(adapter, psta);
1022
1023 rtw_init_bcmc_stainfo(adapter);
1024 }
1025
1026 find_network(adapter);
1027
1028 if (lock_scanned_queue)
1029 adapter->securitypriv.key_mask = 0;
1030
1031 rtw_reset_rx_info(pdbgpriv);
1032}
1033
1034
1035
1036
1037void rtw_indicate_connect(struct adapter *padapter)
1038{
1039 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1040
1041 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("+rtw_indicate_connect\n"));
1042
1043 pmlmepriv->to_join = false;
1044
1045 if (!check_fwstate(&padapter->mlmepriv, _FW_LINKED)) {
1046
1047 set_fwstate(pmlmepriv, _FW_LINKED);
1048
1049 rtw_os_indicate_connect(padapter);
1050 }
1051
1052 rtw_set_to_roam(padapter, 0);
1053 rtw_set_scan_deny(padapter, 3000);
1054
1055 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("-rtw_indicate_connect: fw_state = 0x%08x\n", get_fwstate(pmlmepriv)));
1056}
1057
1058
1059
1060
1061void rtw_indicate_disconnect(struct adapter *padapter)
1062{
1063 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1064
1065 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("+rtw_indicate_disconnect\n"));
1066
1067 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING|WIFI_UNDER_WPS);
1068
1069
1070
1071 if (rtw_to_roam(padapter) > 0)
1072 _clr_fwstate_(pmlmepriv, _FW_LINKED);
1073
1074 if (check_fwstate(&padapter->mlmepriv, _FW_LINKED)
1075 || (rtw_to_roam(padapter) <= 0)
1076 ) {
1077 rtw_os_indicate_disconnect(padapter);
1078
1079
1080 rtw_set_ips_deny(padapter, 3000);
1081
1082 _clr_fwstate_(pmlmepriv, _FW_LINKED);
1083
1084 rtw_clear_scan_deny(padapter);
1085 }
1086
1087 rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_DISCONNECT, 1);
1088}
1089
1090inline void rtw_indicate_scan_done(struct adapter *padapter, bool aborted)
1091{
1092 DBG_871X(FUNC_ADPT_FMT"\n", FUNC_ADPT_ARG(padapter));
1093
1094 rtw_os_indicate_scan_done(padapter, aborted);
1095
1096 if (is_primary_adapter(padapter) &&
1097 (!adapter_to_pwrctl(padapter)->bInSuspend) &&
1098 (!check_fwstate(&padapter->mlmepriv,
1099 WIFI_ASOC_STATE|WIFI_UNDER_LINKING))) {
1100 rtw_set_ips_deny(padapter, 0);
1101 _set_timer(&padapter->mlmepriv.dynamic_chk_timer, 1);
1102 }
1103}
1104
1105void rtw_scan_abort(struct adapter *adapter)
1106{
1107 unsigned long start;
1108 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
1109 struct mlme_ext_priv *pmlmeext = &(adapter->mlmeextpriv);
1110
1111 start = jiffies;
1112 pmlmeext->scan_abort = true;
1113 while (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY)
1114 && jiffies_to_msecs(start) <= 200) {
1115
1116 if (adapter->bDriverStopped || adapter->bSurpriseRemoved)
1117 break;
1118
1119 DBG_871X(FUNC_NDEV_FMT"fw_state = _FW_UNDER_SURVEY!\n", FUNC_NDEV_ARG(adapter->pnetdev));
1120 msleep(20);
1121 }
1122
1123 if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY)) {
1124 if (!adapter->bDriverStopped && !adapter->bSurpriseRemoved)
1125 DBG_871X(FUNC_NDEV_FMT"waiting for scan_abort time out!\n", FUNC_NDEV_ARG(adapter->pnetdev));
1126 rtw_indicate_scan_done(adapter, true);
1127 }
1128 pmlmeext->scan_abort = false;
1129}
1130
1131static struct sta_info *rtw_joinbss_update_stainfo(struct adapter *padapter, struct wlan_network *pnetwork)
1132{
1133 int i;
1134 struct sta_info *bmc_sta, *psta = NULL;
1135 struct recv_reorder_ctrl *preorder_ctrl;
1136 struct sta_priv *pstapriv = &padapter->stapriv;
1137 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1138
1139 psta = rtw_get_stainfo(pstapriv, pnetwork->network.MacAddress);
1140 if (!psta)
1141 psta = rtw_alloc_stainfo(pstapriv, pnetwork->network.MacAddress);
1142
1143 if (psta) {
1144
1145 DBG_871X("%s\n", __func__);
1146
1147 psta->aid = pnetwork->join_res;
1148
1149 update_sta_info(padapter, psta);
1150
1151
1152 psta->bssratelen = rtw_get_rateset_len(pnetwork->network.SupportedRates);
1153 memcpy(psta->bssrateset, pnetwork->network.SupportedRates, psta->bssratelen);
1154 rtw_hal_update_sta_rate_mask(padapter, psta);
1155
1156 psta->wireless_mode = pmlmeext->cur_wireless_mode;
1157 psta->raid = networktype_to_raid_ex(padapter, psta);
1158
1159
1160 rtw_hal_set_odm_var(padapter, HAL_ODM_STA_INFO, psta, true);
1161
1162
1163 if (padapter->securitypriv.dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) {
1164 padapter->securitypriv.binstallGrpkey = false;
1165 padapter->securitypriv.busetkipkey = false;
1166 padapter->securitypriv.bgrpkey_handshake = false;
1167
1168 psta->ieee8021x_blocked = true;
1169 psta->dot118021XPrivacy = padapter->securitypriv.dot11PrivacyAlgrthm;
1170
1171 memset((u8 *)&psta->dot118021x_UncstKey, 0, sizeof(union Keytype));
1172
1173 memset((u8 *)&psta->dot11tkiprxmickey, 0, sizeof(union Keytype));
1174 memset((u8 *)&psta->dot11tkiptxmickey, 0, sizeof(union Keytype));
1175
1176 memset((u8 *)&psta->dot11txpn, 0, sizeof(union pn48));
1177 psta->dot11txpn.val = psta->dot11txpn.val + 1;
1178 memset((u8 *)&psta->dot11wtxpn, 0, sizeof(union pn48));
1179 memset((u8 *)&psta->dot11rxpn, 0, sizeof(union pn48));
1180 }
1181
1182
1183
1184
1185 if (padapter->securitypriv.wps_ie_len != 0) {
1186 psta->ieee8021x_blocked = true;
1187 padapter->securitypriv.wps_ie_len = 0;
1188 }
1189
1190
1191
1192
1193 for (i = 0; i < 16 ; i++) {
1194
1195 preorder_ctrl = &psta->recvreorder_ctrl[i];
1196 preorder_ctrl->enable = false;
1197 preorder_ctrl->indicate_seq = 0xffff;
1198 #ifdef DBG_RX_SEQ
1199 DBG_871X("DBG_RX_SEQ %s:%d indicate_seq:%u\n", __func__, __LINE__,
1200 preorder_ctrl->indicate_seq);
1201 #endif
1202 preorder_ctrl->wend_b = 0xffff;
1203 preorder_ctrl->wsize_b = 64;
1204 }
1205
1206 bmc_sta = rtw_get_bcmc_stainfo(padapter);
1207 if (bmc_sta) {
1208 for (i = 0; i < 16 ; i++) {
1209
1210 preorder_ctrl = &bmc_sta->recvreorder_ctrl[i];
1211 preorder_ctrl->enable = false;
1212 preorder_ctrl->indicate_seq = 0xffff;
1213 #ifdef DBG_RX_SEQ
1214 DBG_871X("DBG_RX_SEQ %s:%d indicate_seq:%u\n", __func__, __LINE__,
1215 preorder_ctrl->indicate_seq);
1216 #endif
1217 preorder_ctrl->wend_b = 0xffff;
1218 preorder_ctrl->wsize_b = 64;
1219 }
1220 }
1221 }
1222
1223 return psta;
1224
1225}
1226
1227
1228
1229static void rtw_joinbss_update_network(struct adapter *padapter, struct wlan_network *ptarget_wlan, struct wlan_network *pnetwork)
1230{
1231 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
1232 struct wlan_network *cur_network = &(pmlmepriv->cur_network);
1233
1234 DBG_871X("%s\n", __func__);
1235
1236 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("\nfw_state:%x, BSSID:"MAC_FMT"\n"
1237 , get_fwstate(pmlmepriv), MAC_ARG(pnetwork->network.MacAddress)));
1238
1239
1240 memcpy(&cur_network->network, &pnetwork->network, pnetwork->network.Length);
1241
1242 cur_network->network.IELength = ptarget_wlan->network.IELength;
1243 memcpy(&cur_network->network.IEs[0], &ptarget_wlan->network.IEs[0], MAX_IE_SZ);
1244
1245 cur_network->aid = pnetwork->join_res;
1246
1247 rtw_set_signal_stat_timer(&padapter->recvpriv);
1248
1249 padapter->recvpriv.signal_strength = ptarget_wlan->network.PhyInfo.SignalStrength;
1250 padapter->recvpriv.signal_qual = ptarget_wlan->network.PhyInfo.SignalQuality;
1251
1252 padapter->recvpriv.rssi = translate_percentage_to_dbm(ptarget_wlan->network.PhyInfo.SignalStrength);
1253 #if defined(DBG_RX_SIGNAL_DISPLAY_PROCESSING) && 1
1254 DBG_871X(FUNC_ADPT_FMT" signal_strength:%3u, rssi:%3d, signal_qual:%3u"
1255 "\n"
1256 , FUNC_ADPT_ARG(padapter)
1257 , padapter->recvpriv.signal_strength
1258 , padapter->recvpriv.rssi
1259 , padapter->recvpriv.signal_qual
1260 );
1261 #endif
1262
1263 rtw_set_signal_stat_timer(&padapter->recvpriv);
1264
1265
1266 switch (pnetwork->network.InfrastructureMode) {
1267 case Ndis802_11Infrastructure:
1268
1269 if (pmlmepriv->fw_state&WIFI_UNDER_WPS)
1270 pmlmepriv->fw_state = WIFI_STATION_STATE|WIFI_UNDER_WPS;
1271 else
1272 pmlmepriv->fw_state = WIFI_STATION_STATE;
1273
1274 break;
1275 case Ndis802_11IBSS:
1276 pmlmepriv->fw_state = WIFI_ADHOC_STATE;
1277 break;
1278 default:
1279 pmlmepriv->fw_state = WIFI_NULL_STATE;
1280 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Invalid network_mode\n"));
1281 break;
1282 }
1283
1284 rtw_update_protection(padapter, (cur_network->network.IEs) + sizeof(struct ndis_802_11_fix_ie),
1285 (cur_network->network.IELength));
1286
1287 rtw_update_ht_cap(padapter, cur_network->network.IEs, cur_network->network.IELength, (u8) cur_network->network.Configuration.DSConfig);
1288}
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298void rtw_joinbss_event_prehandle(struct adapter *adapter, u8 *pbuf)
1299{
1300 static u8 retry;
1301 u8 timer_cancelled;
1302 struct sta_info *ptarget_sta = NULL, *pcur_sta = NULL;
1303 struct sta_priv *pstapriv = &adapter->stapriv;
1304 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
1305 struct wlan_network *pnetwork = (struct wlan_network *)pbuf;
1306 struct wlan_network *cur_network = &(pmlmepriv->cur_network);
1307 struct wlan_network *pcur_wlan = NULL, *ptarget_wlan = NULL;
1308 unsigned int the_same_macaddr = false;
1309
1310 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("joinbss event call back received with res =%d\n", pnetwork->join_res));
1311
1312 rtw_get_encrypt_decrypt_from_registrypriv(adapter);
1313
1314 if (pmlmepriv->assoc_ssid.SsidLength == 0)
1315 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("@@@@@ joinbss event call back for Any SSid\n"));
1316 else
1317 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("@@@@@ rtw_joinbss_event_callback for SSid:%s\n", pmlmepriv->assoc_ssid.Ssid));
1318
1319 the_same_macaddr = !memcmp(pnetwork->network.MacAddress, cur_network->network.MacAddress, ETH_ALEN);
1320
1321 pnetwork->network.Length = get_wlan_bssid_ex_sz(&pnetwork->network);
1322 if (pnetwork->network.Length > sizeof(struct wlan_bssid_ex)) {
1323 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n\n ***joinbss_evt_callback return a wrong bss ***\n\n"));
1324 return;
1325 }
1326
1327 spin_lock_bh(&pmlmepriv->lock);
1328
1329 pmlmepriv->LinkDetectInfo.TrafficTransitionCount = 0;
1330 pmlmepriv->LinkDetectInfo.LowPowerTransitionCount = 0;
1331
1332 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("\n rtw_joinbss_event_callback !! spin_lock_irqsave\n"));
1333
1334 if (pnetwork->join_res > 0) {
1335 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
1336 retry = 0;
1337 if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) {
1338
1339 if (check_fwstate(pmlmepriv, _FW_LINKED)) {
1340 if (the_same_macaddr) {
1341 ptarget_wlan = rtw_find_network(&pmlmepriv->scanned_queue, cur_network->network.MacAddress);
1342 } else {
1343 pcur_wlan = rtw_find_network(&pmlmepriv->scanned_queue, cur_network->network.MacAddress);
1344 if (pcur_wlan)
1345 pcur_wlan->fixed = false;
1346
1347 pcur_sta = rtw_get_stainfo(pstapriv, cur_network->network.MacAddress);
1348 if (pcur_sta)
1349 rtw_free_stainfo(adapter, pcur_sta);
1350
1351 ptarget_wlan = rtw_find_network(&pmlmepriv->scanned_queue, pnetwork->network.MacAddress);
1352 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
1353 if (ptarget_wlan)
1354 ptarget_wlan->fixed = true;
1355 }
1356 }
1357
1358 } else {
1359 ptarget_wlan = _rtw_find_same_network(&pmlmepriv->scanned_queue, pnetwork);
1360 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
1361 if (ptarget_wlan)
1362 ptarget_wlan->fixed = true;
1363 }
1364 }
1365
1366
1367 if (ptarget_wlan) {
1368 rtw_joinbss_update_network(adapter, ptarget_wlan, pnetwork);
1369 } else {
1370 DBG_871X_LEVEL(_drv_always_, "Can't find ptarget_wlan when joinbss_event callback\n");
1371 spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
1372 goto ignore_joinbss_callback;
1373 }
1374
1375
1376 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
1377 ptarget_sta = rtw_joinbss_update_stainfo(adapter, pnetwork);
1378 if (!ptarget_sta) {
1379 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Can't update stainfo when joinbss_event callback\n"));
1380 spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
1381 goto ignore_joinbss_callback;
1382 }
1383 }
1384
1385
1386 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
1387 pmlmepriv->cur_network_scanned = ptarget_wlan;
1388 rtw_indicate_connect(adapter);
1389 } else {
1390
1391 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("adhoc mode, fw_state:%x", get_fwstate(pmlmepriv)));
1392 }
1393
1394
1395 _cancel_timer(&pmlmepriv->assoc_timer, &timer_cancelled);
1396
1397 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("Cancel assoc_timer\n"));
1398
1399 } else {
1400 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("rtw_joinbss_event_callback err: fw_state:%x", get_fwstate(pmlmepriv)));
1401 spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
1402 goto ignore_joinbss_callback;
1403 }
1404
1405 spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
1406
1407 } else if (pnetwork->join_res == -4) {
1408 rtw_reset_securitypriv(adapter);
1409 _set_timer(&pmlmepriv->assoc_timer, 1);
1410
1411
1412
1413 if ((check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) == true) {
1414 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("fail! clear _FW_UNDER_LINKING ^^^fw_state =%x\n", get_fwstate(pmlmepriv)));
1415 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
1416 }
1417
1418 } else {
1419
1420 #ifdef REJOIN
1421 res = _FAIL;
1422 if (retry < 2) {
1423 res = rtw_select_and_join_from_scanned_queue(pmlmepriv);
1424 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("rtw_select_and_join_from_scanned_queue again! res:%d\n", res));
1425 }
1426
1427 if (res == _SUCCESS) {
1428
1429 _set_timer(&pmlmepriv->assoc_timer, MAX_JOIN_TIMEOUT);
1430 retry++;
1431 } else if (res == 2) {
1432 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
1433 rtw_indicate_connect(adapter);
1434 } else {
1435 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Set Assoc_Timer = 1; can't find match ssid in scanned_q\n"));
1436 #endif
1437
1438 _set_timer(&pmlmepriv->assoc_timer, 1);
1439
1440 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
1441
1442 #ifdef REJOIN
1443 retry = 0;
1444 }
1445 #endif
1446 }
1447
1448ignore_joinbss_callback:
1449
1450 spin_unlock_bh(&pmlmepriv->lock);
1451}
1452
1453void rtw_joinbss_event_callback(struct adapter *adapter, u8 *pbuf)
1454{
1455 struct wlan_network *pnetwork = (struct wlan_network *)pbuf;
1456
1457 mlmeext_joinbss_event_callback(adapter, pnetwork->join_res);
1458
1459 rtw_os_xmit_schedule(adapter);
1460}
1461
1462
1463void rtw_sta_media_status_rpt(struct adapter *adapter, struct sta_info *psta, u32 mstatus)
1464{
1465 u16 media_status_rpt;
1466
1467 if (!psta)
1468 return;
1469
1470 media_status_rpt = (u16)((psta->mac_id<<8)|mstatus);
1471 rtw_hal_set_hwreg(adapter, HW_VAR_H2C_MEDIA_STATUS_RPT, (u8 *)&media_status_rpt);
1472}
1473
1474void rtw_stassoc_event_callback(struct adapter *adapter, u8 *pbuf)
1475{
1476 struct sta_info *psta;
1477 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
1478 struct stassoc_event *pstassoc = (struct stassoc_event *)pbuf;
1479 struct wlan_network *cur_network = &(pmlmepriv->cur_network);
1480 struct wlan_network *ptarget_wlan = NULL;
1481
1482 if (rtw_access_ctrl(adapter, pstassoc->macaddr) == false)
1483 return;
1484
1485 if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
1486 psta = rtw_get_stainfo(&adapter->stapriv, pstassoc->macaddr);
1487 if (psta) {
1488 u8 *passoc_req = NULL;
1489 u32 assoc_req_len = 0;
1490
1491 rtw_sta_media_status_rpt(adapter, psta, 1);
1492
1493#ifndef CONFIG_AUTO_AP_MODE
1494
1495 ap_sta_info_defer_update(adapter, psta);
1496
1497
1498 DBG_871X("indicate_sta_assoc_event to upper layer - hostapd\n");
1499 spin_lock_bh(&psta->lock);
1500 if (psta->passoc_req && psta->assoc_req_len > 0) {
1501 passoc_req = rtw_zmalloc(psta->assoc_req_len);
1502 if (passoc_req) {
1503 assoc_req_len = psta->assoc_req_len;
1504 memcpy(passoc_req, psta->passoc_req, assoc_req_len);
1505
1506 kfree(psta->passoc_req);
1507 psta->passoc_req = NULL;
1508 psta->assoc_req_len = 0;
1509 }
1510 }
1511 spin_unlock_bh(&psta->lock);
1512
1513 if (passoc_req && assoc_req_len > 0) {
1514 rtw_cfg80211_indicate_sta_assoc(adapter, passoc_req, assoc_req_len);
1515
1516 kfree(passoc_req);
1517 }
1518#endif
1519 }
1520 return;
1521 }
1522
1523
1524 psta = rtw_get_stainfo(&adapter->stapriv, pstassoc->macaddr);
1525 if (psta) {
1526
1527
1528 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Error: rtw_stassoc_event_callback: sta has been in sta_hash_queue\n"));
1529
1530 return;
1531 }
1532
1533 psta = rtw_alloc_stainfo(&adapter->stapriv, pstassoc->macaddr);
1534 if (!psta) {
1535 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Can't alloc sta_info when rtw_stassoc_event_callback\n"));
1536 return;
1537 }
1538
1539
1540 psta->qos_option = 0;
1541 psta->mac_id = (uint)pstassoc->cam_id;
1542
1543 DBG_871X("%s\n", __func__);
1544
1545 rtw_hal_set_odm_var(adapter, HAL_ODM_STA_INFO, psta, true);
1546
1547 rtw_sta_media_status_rpt(adapter, psta, 1);
1548
1549 if (adapter->securitypriv.dot11AuthAlgrthm == dot11AuthAlgrthm_8021X)
1550 psta->dot118021XPrivacy = adapter->securitypriv.dot11PrivacyAlgrthm;
1551
1552 psta->ieee8021x_blocked = false;
1553
1554 spin_lock_bh(&pmlmepriv->lock);
1555
1556 if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == true) ||
1557 (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true)) {
1558 if (adapter->stapriv.asoc_sta_count == 2) {
1559 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
1560 ptarget_wlan = rtw_find_network(&pmlmepriv->scanned_queue, cur_network->network.MacAddress);
1561 pmlmepriv->cur_network_scanned = ptarget_wlan;
1562 if (ptarget_wlan)
1563 ptarget_wlan->fixed = true;
1564 spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
1565
1566 rtw_indicate_connect(adapter);
1567 }
1568 }
1569
1570 spin_unlock_bh(&pmlmepriv->lock);
1571
1572 mlmeext_sta_add_event_callback(adapter, psta);
1573}
1574
1575void rtw_stadel_event_callback(struct adapter *adapter, u8 *pbuf)
1576{
1577 int mac_id = (-1);
1578 struct sta_info *psta;
1579 struct wlan_network *pwlan = NULL;
1580 struct wlan_bssid_ex *pdev_network = NULL;
1581 u8 *pibss = NULL;
1582 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
1583 struct stadel_event *pstadel = (struct stadel_event *)pbuf;
1584 struct wlan_network *tgt_network = &(pmlmepriv->cur_network);
1585 struct mlme_ext_priv *pmlmeext = &adapter->mlmeextpriv;
1586 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1587
1588 psta = rtw_get_stainfo(&adapter->stapriv, pstadel->macaddr);
1589 if (psta)
1590 mac_id = psta->mac_id;
1591 else
1592 mac_id = pstadel->mac_id;
1593
1594 DBG_871X("%s(mac_id =%d) =" MAC_FMT "\n", __func__, mac_id, MAC_ARG(pstadel->macaddr));
1595
1596 if (mac_id >= 0) {
1597 u16 media_status;
1598 media_status = (mac_id<<8)|0;
1599
1600 rtw_hal_set_hwreg(adapter, HW_VAR_H2C_MEDIA_STATUS_RPT, (u8 *)&media_status);
1601 }
1602
1603
1604 if ((pmlmeinfo->state&0x03) == WIFI_FW_AP_STATE)
1605 return;
1606
1607 mlmeext_sta_del_event_callback(adapter);
1608
1609 spin_lock_bh(&pmlmepriv->lock);
1610
1611 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
1612 u16 reason = *((unsigned short *)(pstadel->rsvd));
1613 bool roam = false;
1614 struct wlan_network *roam_target = NULL;
1615
1616 if (adapter->registrypriv.wifi_spec == 1) {
1617 roam = false;
1618 } else if (reason == WLAN_REASON_EXPIRATION_CHK && rtw_chk_roam_flags(adapter, RTW_ROAM_ON_EXPIRED)) {
1619 roam = true;
1620 } else if (reason == WLAN_REASON_ACTIVE_ROAM && rtw_chk_roam_flags(adapter, RTW_ROAM_ACTIVE)) {
1621 roam = true;
1622 roam_target = pmlmepriv->roam_network;
1623 }
1624
1625 if (roam) {
1626 if (rtw_to_roam(adapter) > 0)
1627 rtw_dec_to_roam(adapter);
1628 else if (rtw_to_roam(adapter) == 0)
1629 rtw_set_to_roam(adapter, adapter->registrypriv.max_roaming_times);
1630 } else {
1631 rtw_set_to_roam(adapter, 0);
1632 }
1633
1634 rtw_free_uc_swdec_pending_queue(adapter);
1635
1636 rtw_free_assoc_resources(adapter, 1);
1637 rtw_indicate_disconnect(adapter);
1638
1639 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
1640
1641 pwlan = rtw_find_network(&pmlmepriv->scanned_queue, tgt_network->network.MacAddress);
1642 if (pwlan) {
1643 pwlan->fixed = false;
1644 rtw_free_network_nolock(adapter, pwlan);
1645 }
1646 spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
1647
1648 _rtw_roaming(adapter, roam_target);
1649 }
1650
1651 if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) ||
1652 check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) {
1653
1654 rtw_free_stainfo(adapter, psta);
1655
1656 if (adapter->stapriv.asoc_sta_count == 1) {
1657
1658 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
1659
1660
1661 pwlan = rtw_find_network(&pmlmepriv->scanned_queue, tgt_network->network.MacAddress);
1662 if (pwlan) {
1663 pwlan->fixed = false;
1664 rtw_free_network_nolock(adapter, pwlan);
1665 }
1666 spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
1667
1668 pdev_network = &(adapter->registrypriv.dev_network);
1669 pibss = adapter->registrypriv.dev_network.MacAddress;
1670
1671 memcpy(pdev_network, &tgt_network->network, get_wlan_bssid_ex_sz(&tgt_network->network));
1672
1673 memcpy(&pdev_network->Ssid, &pmlmepriv->assoc_ssid, sizeof(struct ndis_802_11_ssid));
1674
1675 rtw_update_registrypriv_dev_network(adapter);
1676
1677 rtw_generate_random_ibss(pibss);
1678
1679 if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) {
1680 set_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE);
1681 _clr_fwstate_(pmlmepriv, WIFI_ADHOC_STATE);
1682 }
1683
1684 if (rtw_createbss_cmd(adapter) != _SUCCESS)
1685 RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_err_, ("***Error =>stadel_event_callback: rtw_createbss_cmd status FAIL***\n "));
1686 }
1687
1688 }
1689
1690 spin_unlock_bh(&pmlmepriv->lock);
1691}
1692
1693void rtw_cpwm_event_callback(struct adapter *padapter, u8 *pbuf)
1694{
1695 struct reportpwrstate_parm *preportpwrstate;
1696
1697 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("+rtw_cpwm_event_callback !!!\n"));
1698 preportpwrstate = (struct reportpwrstate_parm *)pbuf;
1699 preportpwrstate->state |= (u8)(adapter_to_pwrctl(padapter)->cpwm_tog + 0x80);
1700 cpwm_int_hdl(padapter, preportpwrstate);
1701}
1702
1703void rtw_wmm_event_callback(struct adapter *padapter, u8 *pbuf)
1704{
1705 WMMOnAssocRsp(padapter);
1706}
1707
1708
1709
1710
1711
1712void _rtw_join_timeout_handler(struct timer_list *t)
1713{
1714 struct adapter *adapter = from_timer(adapter, t,
1715 mlmepriv.assoc_timer);
1716 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1717
1718 DBG_871X("%s, fw_state =%x\n", __func__, get_fwstate(pmlmepriv));
1719
1720 if (adapter->bDriverStopped || adapter->bSurpriseRemoved)
1721 return;
1722
1723 spin_lock_bh(&pmlmepriv->lock);
1724
1725 if (rtw_to_roam(adapter) > 0) {
1726 while (1) {
1727 rtw_dec_to_roam(adapter);
1728 if (rtw_to_roam(adapter) != 0) {
1729 int do_join_r;
1730 DBG_871X("%s try another roaming\n", __func__);
1731 do_join_r = rtw_do_join(adapter);
1732 if (_SUCCESS != do_join_r) {
1733 DBG_871X("%s roaming do_join return %d\n", __func__, do_join_r);
1734 continue;
1735 }
1736 break;
1737 } else {
1738 DBG_871X("%s We've try roaming but fail\n", __func__);
1739 rtw_indicate_disconnect(adapter);
1740 break;
1741 }
1742 }
1743
1744 } else {
1745 rtw_indicate_disconnect(adapter);
1746 free_scanqueue(pmlmepriv);
1747
1748
1749 rtw_cfg80211_indicate_disconnect(adapter);
1750
1751 }
1752
1753 spin_unlock_bh(&pmlmepriv->lock);
1754}
1755
1756
1757
1758
1759
1760void rtw_scan_timeout_handler(struct timer_list *t)
1761{
1762 struct adapter *adapter = from_timer(adapter, t,
1763 mlmepriv.scan_to_timer);
1764 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1765
1766 DBG_871X(FUNC_ADPT_FMT" fw_state =%x\n", FUNC_ADPT_ARG(adapter), get_fwstate(pmlmepriv));
1767
1768 spin_lock_bh(&pmlmepriv->lock);
1769
1770 _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY);
1771
1772 spin_unlock_bh(&pmlmepriv->lock);
1773
1774 rtw_indicate_scan_done(adapter, true);
1775}
1776
1777void rtw_mlme_reset_auto_scan_int(struct adapter *adapter)
1778{
1779 struct mlme_priv *mlme = &adapter->mlmepriv;
1780 struct mlme_ext_priv *pmlmeext = &adapter->mlmeextpriv;
1781 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1782
1783 if (pmlmeinfo->VHT_enable)
1784 mlme->auto_scan_int_ms = 0;
1785 else if (adapter->registrypriv.wifi_spec && is_client_associated_to_ap(adapter) == true)
1786 mlme->auto_scan_int_ms = 60*1000;
1787 else if (rtw_chk_roam_flags(adapter, RTW_ROAM_ACTIVE)) {
1788 if (check_fwstate(mlme, WIFI_STATION_STATE) && check_fwstate(mlme, _FW_LINKED))
1789 mlme->auto_scan_int_ms = mlme->roam_scan_int_ms;
1790 } else
1791 mlme->auto_scan_int_ms = 0;
1792}
1793
1794static void rtw_auto_scan_handler(struct adapter *padapter)
1795{
1796 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1797
1798 rtw_mlme_reset_auto_scan_int(padapter);
1799
1800 if (pmlmepriv->auto_scan_int_ms != 0
1801 && jiffies_to_msecs(jiffies - pmlmepriv->scan_start_time) > pmlmepriv->auto_scan_int_ms) {
1802
1803 if (!padapter->registrypriv.wifi_spec) {
1804 if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY|_FW_UNDER_LINKING) == true) {
1805 DBG_871X(FUNC_ADPT_FMT" _FW_UNDER_SURVEY|_FW_UNDER_LINKING\n", FUNC_ADPT_ARG(padapter));
1806 goto exit;
1807 }
1808
1809 if (pmlmepriv->LinkDetectInfo.bBusyTraffic) {
1810 DBG_871X(FUNC_ADPT_FMT" exit BusyTraffic\n", FUNC_ADPT_ARG(padapter));
1811 goto exit;
1812 }
1813 }
1814
1815 DBG_871X(FUNC_ADPT_FMT"\n", FUNC_ADPT_ARG(padapter));
1816
1817 rtw_set_802_11_bssid_list_scan(padapter, NULL, 0);
1818 }
1819
1820exit:
1821 return;
1822}
1823
1824void rtw_dynamic_check_timer_handler(struct adapter *adapter)
1825{
1826 if (!adapter)
1827 return;
1828
1829 if (!adapter->hw_init_completed)
1830 return;
1831
1832 if (adapter->bDriverStopped || adapter->bSurpriseRemoved)
1833 return;
1834
1835 if (adapter->net_closed)
1836 return;
1837
1838 if (is_primary_adapter(adapter))
1839 DBG_871X("IsBtDisabled =%d, IsBtControlLps =%d\n", hal_btcoex_IsBtDisabled(adapter), hal_btcoex_IsBtControlLps(adapter));
1840
1841 if ((adapter_to_pwrctl(adapter)->bFwCurrentInPSMode)
1842 && !(hal_btcoex_IsBtControlLps(adapter))
1843 ) {
1844 u8 bEnterPS;
1845
1846 linked_status_chk(adapter);
1847
1848 bEnterPS = traffic_status_watchdog(adapter, 1);
1849 if (bEnterPS) {
1850
1851 rtw_hal_dm_watchdog_in_lps(adapter);
1852 } else {
1853
1854 }
1855
1856 } else {
1857 if (is_primary_adapter(adapter))
1858 rtw_dynamic_chk_wk_cmd(adapter);
1859 }
1860
1861
1862 rtw_auto_scan_handler(adapter);
1863}
1864
1865inline bool rtw_is_scan_deny(struct adapter *adapter)
1866{
1867 struct mlme_priv *mlmepriv = &adapter->mlmepriv;
1868 return (atomic_read(&mlmepriv->set_scan_deny) != 0) ? true : false;
1869}
1870
1871inline void rtw_clear_scan_deny(struct adapter *adapter)
1872{
1873 struct mlme_priv *mlmepriv = &adapter->mlmepriv;
1874 atomic_set(&mlmepriv->set_scan_deny, 0);
1875
1876 DBG_871X(FUNC_ADPT_FMT"\n", FUNC_ADPT_ARG(adapter));
1877}
1878
1879void rtw_set_scan_deny(struct adapter *adapter, u32 ms)
1880{
1881 struct mlme_priv *mlmepriv = &adapter->mlmepriv;
1882
1883 DBG_871X(FUNC_ADPT_FMT"\n", FUNC_ADPT_ARG(adapter));
1884 atomic_set(&mlmepriv->set_scan_deny, 1);
1885 _set_timer(&mlmepriv->set_scan_deny_timer, ms);
1886}
1887
1888
1889
1890
1891
1892
1893static int rtw_check_roaming_candidate(struct mlme_priv *mlme
1894 , struct wlan_network **candidate, struct wlan_network *competitor)
1895{
1896 int updated = false;
1897 struct adapter *adapter = container_of(mlme, struct adapter, mlmepriv);
1898
1899 if (is_same_ess(&competitor->network, &mlme->cur_network.network) == false)
1900 goto exit;
1901
1902 if (rtw_is_desired_network(adapter, competitor) == false)
1903 goto exit;
1904
1905 DBG_871X("roam candidate:%s %s("MAC_FMT", ch%3u) rssi:%d, age:%5d\n",
1906 (competitor == mlme->cur_network_scanned)?"*":" ",
1907 competitor->network.Ssid.Ssid,
1908 MAC_ARG(competitor->network.MacAddress),
1909 competitor->network.Configuration.DSConfig,
1910 (int)competitor->network.Rssi,
1911 jiffies_to_msecs(jiffies - competitor->last_scanned)
1912 );
1913
1914
1915 if (!is_zero_mac_addr(mlme->roam_tgt_addr)) {
1916 if (!memcmp(mlme->roam_tgt_addr, competitor->network.MacAddress, ETH_ALEN))
1917 goto update;
1918 else
1919 goto exit;
1920 }
1921 if (jiffies_to_msecs(jiffies - competitor->last_scanned) >= mlme->roam_scanr_exp_ms)
1922 goto exit;
1923
1924 if (competitor->network.Rssi - mlme->cur_network_scanned->network.Rssi < mlme->roam_rssi_diff_th)
1925 goto exit;
1926
1927 if (*candidate != NULL && (*candidate)->network.Rssi >= competitor->network.Rssi)
1928 goto exit;
1929
1930update:
1931 *candidate = competitor;
1932 updated = true;
1933
1934exit:
1935 return updated;
1936}
1937
1938int rtw_select_roaming_candidate(struct mlme_priv *mlme)
1939{
1940 int ret = _FAIL;
1941 struct list_head *phead;
1942 struct __queue *queue = &(mlme->scanned_queue);
1943 struct wlan_network *pnetwork = NULL;
1944 struct wlan_network *candidate = NULL;
1945
1946 if (!mlme->cur_network_scanned) {
1947 rtw_warn_on(1);
1948 return ret;
1949 }
1950
1951 spin_lock_bh(&(mlme->scanned_queue.lock));
1952 phead = get_list_head(queue);
1953
1954 mlme->pscanned = get_next(phead);
1955
1956 while (phead != mlme->pscanned) {
1957
1958 pnetwork = LIST_CONTAINOR(mlme->pscanned, struct wlan_network, list);
1959 if (!pnetwork) {
1960 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("%s return _FAIL:(pnetwork == NULL)\n", __func__));
1961 ret = _FAIL;
1962 goto exit;
1963 }
1964
1965 mlme->pscanned = get_next(mlme->pscanned);
1966
1967 DBG_871X("%s("MAC_FMT", ch%u) rssi:%d\n"
1968 , pnetwork->network.Ssid.Ssid
1969 , MAC_ARG(pnetwork->network.MacAddress)
1970 , pnetwork->network.Configuration.DSConfig
1971 , (int)pnetwork->network.Rssi);
1972
1973 rtw_check_roaming_candidate(mlme, &candidate, pnetwork);
1974
1975 }
1976
1977 if (!candidate) {
1978 DBG_871X("%s: return _FAIL(candidate == NULL)\n", __func__);
1979 ret = _FAIL;
1980 goto exit;
1981 } else {
1982 DBG_871X("%s: candidate: %s("MAC_FMT", ch:%u)\n", __func__,
1983 candidate->network.Ssid.Ssid, MAC_ARG(candidate->network.MacAddress),
1984 candidate->network.Configuration.DSConfig);
1985
1986 mlme->roam_network = candidate;
1987
1988 if (!memcmp(candidate->network.MacAddress, mlme->roam_tgt_addr, ETH_ALEN))
1989 eth_zero_addr(mlme->roam_tgt_addr);
1990 }
1991
1992 ret = _SUCCESS;
1993exit:
1994 spin_unlock_bh(&(mlme->scanned_queue.lock));
1995
1996 return ret;
1997}
1998
1999
2000
2001
2002
2003
2004static int rtw_check_join_candidate(struct mlme_priv *mlme
2005 , struct wlan_network **candidate, struct wlan_network *competitor)
2006{
2007 int updated = false;
2008 struct adapter *adapter = container_of(mlme, struct adapter, mlmepriv);
2009
2010
2011 if (mlme->assoc_by_bssid) {
2012 if (memcmp(competitor->network.MacAddress, mlme->assoc_bssid, ETH_ALEN))
2013 goto exit;
2014 }
2015
2016
2017 if (mlme->assoc_ssid.Ssid[0] && mlme->assoc_ssid.SsidLength) {
2018 if (competitor->network.Ssid.SsidLength != mlme->assoc_ssid.SsidLength
2019 || memcmp(competitor->network.Ssid.Ssid, mlme->assoc_ssid.Ssid, mlme->assoc_ssid.SsidLength)
2020 )
2021 goto exit;
2022 }
2023
2024 if (rtw_is_desired_network(adapter, competitor) == false)
2025 goto exit;
2026
2027 if (rtw_to_roam(adapter) > 0) {
2028 if (jiffies_to_msecs(jiffies - competitor->last_scanned) >= mlme->roam_scanr_exp_ms
2029 || is_same_ess(&competitor->network, &mlme->cur_network.network) == false
2030 )
2031 goto exit;
2032 }
2033
2034 if (*candidate == NULL || (*candidate)->network.Rssi < competitor->network.Rssi) {
2035 *candidate = competitor;
2036 updated = true;
2037 }
2038
2039 if (updated) {
2040 DBG_871X("[by_bssid:%u][assoc_ssid:%s]"
2041 "[to_roam:%u] "
2042 "new candidate: %s("MAC_FMT", ch%u) rssi:%d\n",
2043 mlme->assoc_by_bssid,
2044 mlme->assoc_ssid.Ssid,
2045 rtw_to_roam(adapter),
2046 (*candidate)->network.Ssid.Ssid,
2047 MAC_ARG((*candidate)->network.MacAddress),
2048 (*candidate)->network.Configuration.DSConfig,
2049 (int)(*candidate)->network.Rssi
2050 );
2051 }
2052
2053exit:
2054 return updated;
2055}
2056
2057
2058
2059
2060
2061
2062
2063
2064int rtw_select_and_join_from_scanned_queue(struct mlme_priv *pmlmepriv)
2065{
2066 int ret;
2067 struct list_head *phead;
2068 struct adapter *adapter;
2069 struct __queue *queue = &(pmlmepriv->scanned_queue);
2070 struct wlan_network *pnetwork = NULL;
2071 struct wlan_network *candidate = NULL;
2072
2073 adapter = (struct adapter *)pmlmepriv->nic_hdl;
2074
2075 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
2076
2077 if (pmlmepriv->roam_network) {
2078 candidate = pmlmepriv->roam_network;
2079 pmlmepriv->roam_network = NULL;
2080 goto candidate_exist;
2081 }
2082
2083 phead = get_list_head(queue);
2084 pmlmepriv->pscanned = get_next(phead);
2085
2086 while (phead != pmlmepriv->pscanned) {
2087
2088 pnetwork = LIST_CONTAINOR(pmlmepriv->pscanned, struct wlan_network, list);
2089 if (!pnetwork) {
2090 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("%s return _FAIL:(pnetwork == NULL)\n", __func__));
2091 ret = _FAIL;
2092 goto exit;
2093 }
2094
2095 pmlmepriv->pscanned = get_next(pmlmepriv->pscanned);
2096
2097 DBG_871X("%s("MAC_FMT", ch%u) rssi:%d\n"
2098 , pnetwork->network.Ssid.Ssid
2099 , MAC_ARG(pnetwork->network.MacAddress)
2100 , pnetwork->network.Configuration.DSConfig
2101 , (int)pnetwork->network.Rssi);
2102
2103 rtw_check_join_candidate(pmlmepriv, &candidate, pnetwork);
2104
2105 }
2106
2107 if (!candidate) {
2108 DBG_871X("%s: return _FAIL(candidate == NULL)\n", __func__);
2109#ifdef CONFIG_WOWLAN
2110 _clr_fwstate_(pmlmepriv, _FW_LINKED|_FW_UNDER_LINKING);
2111#endif
2112 ret = _FAIL;
2113 goto exit;
2114 } else {
2115 DBG_871X("%s: candidate: %s("MAC_FMT", ch:%u)\n", __func__,
2116 candidate->network.Ssid.Ssid, MAC_ARG(candidate->network.MacAddress),
2117 candidate->network.Configuration.DSConfig);
2118 goto candidate_exist;
2119 }
2120
2121candidate_exist:
2122
2123
2124 if (check_fwstate(pmlmepriv, _FW_LINKED) == true) {
2125 DBG_871X("%s: _FW_LINKED while ask_for_joinbss!!!\n", __func__);
2126
2127 rtw_disassoc_cmd(adapter, 0, true);
2128 rtw_indicate_disconnect(adapter);
2129 rtw_free_assoc_resources(adapter, 0);
2130 }
2131
2132 set_fwstate(pmlmepriv, _FW_UNDER_LINKING);
2133 ret = rtw_joinbss_cmd(adapter, candidate);
2134
2135exit:
2136 spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
2137 return ret;
2138}
2139
2140sint rtw_set_auth(struct adapter *adapter, struct security_priv *psecuritypriv)
2141{
2142 struct cmd_obj *pcmd;
2143 struct setauth_parm *psetauthparm;
2144 struct cmd_priv *pcmdpriv = &(adapter->cmdpriv);
2145 sint res = _SUCCESS;
2146
2147 pcmd = rtw_zmalloc(sizeof(struct cmd_obj));
2148 if (!pcmd) {
2149 res = _FAIL;
2150 goto exit;
2151 }
2152
2153 psetauthparm = rtw_zmalloc(sizeof(struct setauth_parm));
2154 if (!psetauthparm) {
2155 kfree(pcmd);
2156 res = _FAIL;
2157 goto exit;
2158 }
2159
2160 psetauthparm->mode = (unsigned char)psecuritypriv->dot11AuthAlgrthm;
2161
2162 pcmd->cmdcode = _SetAuth_CMD_;
2163 pcmd->parmbuf = (unsigned char *)psetauthparm;
2164 pcmd->cmdsz = (sizeof(struct setauth_parm));
2165 pcmd->rsp = NULL;
2166 pcmd->rspsz = 0;
2167
2168 INIT_LIST_HEAD(&pcmd->list);
2169
2170 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("after enqueue set_auth_cmd, auth_mode =%x\n", psecuritypriv->dot11AuthAlgrthm));
2171
2172 res = rtw_enqueue_cmd(pcmdpriv, pcmd);
2173
2174exit:
2175 return res;
2176}
2177
2178sint rtw_set_key(struct adapter *adapter, struct security_priv *psecuritypriv, sint keyid, u8 set_tx, bool enqueue)
2179{
2180 u8 keylen;
2181 struct cmd_obj *pcmd;
2182 struct setkey_parm *psetkeyparm;
2183 struct cmd_priv *pcmdpriv = &(adapter->cmdpriv);
2184 sint res = _SUCCESS;
2185
2186 psetkeyparm = rtw_zmalloc(sizeof(struct setkey_parm));
2187 if (!psetkeyparm) {
2188 res = _FAIL;
2189 goto exit;
2190 }
2191
2192 if (psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) {
2193 psetkeyparm->algorithm = (unsigned char)psecuritypriv->dot118021XGrpPrivacy;
2194 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n rtw_set_key: psetkeyparm->algorithm =(unsigned char)psecuritypriv->dot118021XGrpPrivacy =%d\n", psetkeyparm->algorithm));
2195 } else {
2196 psetkeyparm->algorithm = (u8)psecuritypriv->dot11PrivacyAlgrthm;
2197 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n rtw_set_key: psetkeyparm->algorithm =(u8)psecuritypriv->dot11PrivacyAlgrthm =%d\n", psetkeyparm->algorithm));
2198
2199 }
2200 psetkeyparm->keyid = (u8)keyid;
2201 psetkeyparm->set_tx = set_tx;
2202 if (is_wep_enc(psetkeyparm->algorithm))
2203 adapter->securitypriv.key_mask |= BIT(psetkeyparm->keyid);
2204
2205 DBG_871X("==> rtw_set_key algorithm(%x), keyid(%x), key_mask(%x)\n", psetkeyparm->algorithm, psetkeyparm->keyid, adapter->securitypriv.key_mask);
2206 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n rtw_set_key: psetkeyparm->algorithm =%d psetkeyparm->keyid =(u8)keyid =%d\n", psetkeyparm->algorithm, keyid));
2207
2208 switch (psetkeyparm->algorithm) {
2209
2210 case _WEP40_:
2211 keylen = 5;
2212 memcpy(&(psetkeyparm->key[0]), &(psecuritypriv->dot11DefKey[keyid].skey[0]), keylen);
2213 break;
2214 case _WEP104_:
2215 keylen = 13;
2216 memcpy(&(psetkeyparm->key[0]), &(psecuritypriv->dot11DefKey[keyid].skey[0]), keylen);
2217 break;
2218 case _TKIP_:
2219 keylen = 16;
2220 memcpy(&psetkeyparm->key, &psecuritypriv->dot118021XGrpKey[keyid], keylen);
2221 psetkeyparm->grpkey = 1;
2222 break;
2223 case _AES_:
2224 keylen = 16;
2225 memcpy(&psetkeyparm->key, &psecuritypriv->dot118021XGrpKey[keyid], keylen);
2226 psetkeyparm->grpkey = 1;
2227 break;
2228 default:
2229 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n rtw_set_key:psecuritypriv->dot11PrivacyAlgrthm = %x (must be 1 or 2 or 4 or 5)\n", psecuritypriv->dot11PrivacyAlgrthm));
2230 res = _FAIL;
2231 kfree(psetkeyparm);
2232 goto exit;
2233 }
2234
2235 if (enqueue) {
2236 pcmd = rtw_zmalloc(sizeof(struct cmd_obj));
2237 if (!pcmd) {
2238 kfree(psetkeyparm);
2239 res = _FAIL;
2240 goto exit;
2241 }
2242
2243 pcmd->cmdcode = _SetKey_CMD_;
2244 pcmd->parmbuf = (u8 *)psetkeyparm;
2245 pcmd->cmdsz = (sizeof(struct setkey_parm));
2246 pcmd->rsp = NULL;
2247 pcmd->rspsz = 0;
2248
2249 INIT_LIST_HEAD(&pcmd->list);
2250
2251 res = rtw_enqueue_cmd(pcmdpriv, pcmd);
2252 } else {
2253 setkey_hdl(adapter, (u8 *)psetkeyparm);
2254 kfree(psetkeyparm);
2255 }
2256exit:
2257 return res;
2258}
2259
2260
2261int rtw_restruct_wmm_ie(struct adapter *adapter, u8 *in_ie, u8 *out_ie, uint in_len, uint initial_out_len)
2262{
2263 unsigned int ielength = 0;
2264 unsigned int i, j;
2265
2266 i = 12;
2267 while (i < in_len) {
2268 ielength = initial_out_len;
2269
2270 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) {
2271 for (j = i; j < i + 9; j++) {
2272 out_ie[ielength] = in_ie[j];
2273 ielength++;
2274 }
2275 out_ie[initial_out_len + 1] = 0x07;
2276 out_ie[initial_out_len + 6] = 0x00;
2277 out_ie[initial_out_len + 8] = 0x00;
2278
2279 break;
2280 }
2281
2282 i += (in_ie[i+1]+2);
2283 }
2284
2285 return ielength;
2286
2287}
2288
2289
2290
2291
2292
2293
2294
2295
2296
2297
2298
2299
2300static int SecIsInPMKIDList(struct adapter *Adapter, u8 *bssid)
2301{
2302 struct security_priv *psecuritypriv = &Adapter->securitypriv;
2303 int i = 0;
2304
2305 do {
2306 if ((psecuritypriv->PMKIDList[i].bUsed) &&
2307 (!memcmp(psecuritypriv->PMKIDList[i].Bssid, bssid, ETH_ALEN))) {
2308 break;
2309 } else {
2310 i++;
2311
2312 }
2313
2314 } while (i < NUM_PMKID_CACHE);
2315
2316 if (i == NUM_PMKID_CACHE) {
2317 i = -1;
2318 } else {
2319
2320 }
2321
2322 return i;
2323
2324}
2325
2326
2327
2328
2329
2330
2331
2332
2333
2334static int rtw_append_pmkid(struct adapter *Adapter, int iEntry, u8 *ie, uint ie_len)
2335{
2336 struct security_priv *psecuritypriv = &Adapter->securitypriv;
2337
2338 if (ie[13] <= 20) {
2339
2340 ie[ie_len] = 1;
2341 ie_len++;
2342 ie[ie_len] = 0;
2343 ie_len++;
2344 memcpy(&ie[ie_len], &psecuritypriv->PMKIDList[iEntry].PMKID, 16);
2345
2346 ie_len += 16;
2347 ie[13] += 18;
2348
2349 }
2350 return ie_len;
2351}
2352
2353sint rtw_restruct_sec_ie(struct adapter *adapter, u8 *in_ie, u8 *out_ie, uint in_len)
2354{
2355 u8 authmode = 0x0;
2356 uint ielength;
2357 int iEntry;
2358
2359 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
2360 struct security_priv *psecuritypriv = &adapter->securitypriv;
2361 uint ndisauthmode = psecuritypriv->ndisauthtype;
2362
2363 RT_TRACE(_module_rtl871x_mlme_c_, _drv_notice_,
2364 ("+rtw_restruct_sec_ie: ndisauthmode =%d\n", ndisauthmode));
2365
2366
2367 memcpy(out_ie, in_ie, 12);
2368 ielength = 12;
2369 if ((ndisauthmode == Ndis802_11AuthModeWPA) || (ndisauthmode == Ndis802_11AuthModeWPAPSK))
2370 authmode = _WPA_IE_ID_;
2371 if ((ndisauthmode == Ndis802_11AuthModeWPA2) || (ndisauthmode == Ndis802_11AuthModeWPA2PSK))
2372 authmode = _WPA2_IE_ID_;
2373
2374 if (check_fwstate(pmlmepriv, WIFI_UNDER_WPS)) {
2375 memcpy(out_ie+ielength, psecuritypriv->wps_ie, psecuritypriv->wps_ie_len);
2376
2377 ielength += psecuritypriv->wps_ie_len;
2378 } else if ((authmode == _WPA_IE_ID_) || (authmode == _WPA2_IE_ID_)) {
2379
2380 memcpy(&out_ie[ielength], &psecuritypriv->supplicant_ie[0], psecuritypriv->supplicant_ie[1]+2);
2381
2382
2383
2384
2385
2386
2387
2388
2389 ielength += psecuritypriv->supplicant_ie[1]+2;
2390 rtw_report_sec_ie(adapter, authmode, psecuritypriv->supplicant_ie);
2391 }
2392
2393 iEntry = SecIsInPMKIDList(adapter, pmlmepriv->assoc_bssid);
2394 if (iEntry < 0) {
2395 return ielength;
2396 } else {
2397 if (authmode == _WPA2_IE_ID_)
2398 ielength = rtw_append_pmkid(adapter, iEntry, out_ie, ielength);
2399 }
2400 return ielength;
2401}
2402
2403void rtw_init_registrypriv_dev_network(struct adapter *adapter)
2404{
2405 struct registry_priv *pregistrypriv = &adapter->registrypriv;
2406 struct eeprom_priv *peepriv = &adapter->eeprompriv;
2407 struct wlan_bssid_ex *pdev_network = &pregistrypriv->dev_network;
2408 u8 *myhwaddr = myid(peepriv);
2409
2410 memcpy(pdev_network->MacAddress, myhwaddr, ETH_ALEN);
2411
2412 memcpy(&pdev_network->Ssid, &pregistrypriv->ssid, sizeof(struct ndis_802_11_ssid));
2413
2414 pdev_network->Configuration.Length = sizeof(struct ndis_802_11_conf);
2415 pdev_network->Configuration.BeaconPeriod = 100;
2416 pdev_network->Configuration.FHConfig.Length = 0;
2417 pdev_network->Configuration.FHConfig.HopPattern = 0;
2418 pdev_network->Configuration.FHConfig.HopSet = 0;
2419 pdev_network->Configuration.FHConfig.DwellTime = 0;
2420}
2421
2422void rtw_update_registrypriv_dev_network(struct adapter *adapter)
2423{
2424 int sz = 0;
2425 struct registry_priv *pregistrypriv = &adapter->registrypriv;
2426 struct wlan_bssid_ex *pdev_network = &pregistrypriv->dev_network;
2427 struct security_priv *psecuritypriv = &adapter->securitypriv;
2428 struct wlan_network *cur_network = &adapter->mlmepriv.cur_network;
2429
2430
2431 pdev_network->Privacy = (psecuritypriv->dot11PrivacyAlgrthm > 0 ? 1 : 0) ;
2432
2433 pdev_network->Rssi = 0;
2434
2435 switch (pregistrypriv->wireless_mode) {
2436 case WIRELESS_11B:
2437 pdev_network->NetworkTypeInUse = (Ndis802_11DS);
2438 break;
2439 case WIRELESS_11G:
2440 case WIRELESS_11BG:
2441 case WIRELESS_11_24N:
2442 case WIRELESS_11G_24N:
2443 case WIRELESS_11BG_24N:
2444 pdev_network->NetworkTypeInUse = (Ndis802_11OFDM24);
2445 break;
2446 case WIRELESS_11A:
2447 case WIRELESS_11A_5N:
2448 pdev_network->NetworkTypeInUse = (Ndis802_11OFDM5);
2449 break;
2450 case WIRELESS_11ABGN:
2451 if (pregistrypriv->channel > 14)
2452 pdev_network->NetworkTypeInUse = (Ndis802_11OFDM5);
2453 else
2454 pdev_network->NetworkTypeInUse = (Ndis802_11OFDM24);
2455 break;
2456 default:
2457
2458 break;
2459 }
2460
2461 pdev_network->Configuration.DSConfig = (pregistrypriv->channel);
2462 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("pregistrypriv->channel =%d, pdev_network->Configuration.DSConfig = 0x%x\n", pregistrypriv->channel, pdev_network->Configuration.DSConfig));
2463
2464 if (cur_network->network.InfrastructureMode == Ndis802_11IBSS)
2465 pdev_network->Configuration.ATIMWindow = (0);
2466
2467 pdev_network->InfrastructureMode = (cur_network->network.InfrastructureMode);
2468
2469
2470
2471
2472
2473 sz = rtw_generate_ie(pregistrypriv);
2474
2475 pdev_network->IELength = sz;
2476
2477 pdev_network->Length = get_wlan_bssid_ex_sz((struct wlan_bssid_ex *)pdev_network);
2478
2479
2480
2481}
2482
2483void rtw_get_encrypt_decrypt_from_registrypriv(struct adapter *adapter)
2484{
2485}
2486
2487
2488void rtw_joinbss_reset(struct adapter *padapter)
2489{
2490 u8 threshold;
2491 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
2492
2493 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
2494
2495
2496
2497 pmlmepriv->num_FortyMHzIntolerant = 0;
2498
2499 pmlmepriv->num_sta_no_ht = 0;
2500
2501 phtpriv->ampdu_enable = false;
2502
2503
2504
2505 if (phtpriv->ht_option) {
2506 if (padapter->registrypriv.wifi_spec == 1)
2507 threshold = 1;
2508 else
2509 threshold = 0;
2510 rtw_hal_set_hwreg(padapter, HW_VAR_RXDMA_AGG_PG_TH, (u8 *)(&threshold));
2511 } else {
2512 threshold = 1;
2513 rtw_hal_set_hwreg(padapter, HW_VAR_RXDMA_AGG_PG_TH, (u8 *)(&threshold));
2514 }
2515}
2516
2517void rtw_ht_use_default_setting(struct adapter *padapter)
2518{
2519 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
2520 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
2521 struct registry_priv *pregistrypriv = &padapter->registrypriv;
2522 bool bHwLDPCSupport = false, bHwSTBCSupport = false;
2523 bool bHwSupportBeamformer = false, bHwSupportBeamformee = false;
2524
2525 if (pregistrypriv->wifi_spec)
2526 phtpriv->bss_coexist = 1;
2527 else
2528 phtpriv->bss_coexist = 0;
2529
2530 phtpriv->sgi_40m = TEST_FLAG(pregistrypriv->short_gi, BIT1) ? true : false;
2531 phtpriv->sgi_20m = TEST_FLAG(pregistrypriv->short_gi, BIT0) ? true : false;
2532
2533
2534 rtw_hal_get_def_var(padapter, HAL_DEF_RX_LDPC, (u8 *)&bHwLDPCSupport);
2535 CLEAR_FLAGS(phtpriv->ldpc_cap);
2536 if (bHwLDPCSupport) {
2537 if (TEST_FLAG(pregistrypriv->ldpc_cap, BIT4))
2538 SET_FLAG(phtpriv->ldpc_cap, LDPC_HT_ENABLE_RX);
2539 }
2540 rtw_hal_get_def_var(padapter, HAL_DEF_TX_LDPC, (u8 *)&bHwLDPCSupport);
2541 if (bHwLDPCSupport) {
2542 if (TEST_FLAG(pregistrypriv->ldpc_cap, BIT5))
2543 SET_FLAG(phtpriv->ldpc_cap, LDPC_HT_ENABLE_TX);
2544 }
2545 if (phtpriv->ldpc_cap)
2546 DBG_871X("[HT] Support LDPC = 0x%02X\n", phtpriv->ldpc_cap);
2547
2548
2549 rtw_hal_get_def_var(padapter, HAL_DEF_TX_STBC, (u8 *)&bHwSTBCSupport);
2550 CLEAR_FLAGS(phtpriv->stbc_cap);
2551 if (bHwSTBCSupport) {
2552 if (TEST_FLAG(pregistrypriv->stbc_cap, BIT5))
2553 SET_FLAG(phtpriv->stbc_cap, STBC_HT_ENABLE_TX);
2554 }
2555 rtw_hal_get_def_var(padapter, HAL_DEF_RX_STBC, (u8 *)&bHwSTBCSupport);
2556 if (bHwSTBCSupport) {
2557 if (TEST_FLAG(pregistrypriv->stbc_cap, BIT4))
2558 SET_FLAG(phtpriv->stbc_cap, STBC_HT_ENABLE_RX);
2559 }
2560 if (phtpriv->stbc_cap)
2561 DBG_871X("[HT] Support STBC = 0x%02X\n", phtpriv->stbc_cap);
2562
2563
2564 rtw_hal_get_def_var(padapter, HAL_DEF_EXPLICIT_BEAMFORMER, (u8 *)&bHwSupportBeamformer);
2565 rtw_hal_get_def_var(padapter, HAL_DEF_EXPLICIT_BEAMFORMEE, (u8 *)&bHwSupportBeamformee);
2566 CLEAR_FLAGS(phtpriv->beamform_cap);
2567 if (TEST_FLAG(pregistrypriv->beamform_cap, BIT4) && bHwSupportBeamformer) {
2568 SET_FLAG(phtpriv->beamform_cap, BEAMFORMING_HT_BEAMFORMER_ENABLE);
2569 DBG_871X("[HT] Support Beamformer\n");
2570 }
2571 if (TEST_FLAG(pregistrypriv->beamform_cap, BIT5) && bHwSupportBeamformee) {
2572 SET_FLAG(phtpriv->beamform_cap, BEAMFORMING_HT_BEAMFORMEE_ENABLE);
2573 DBG_871X("[HT] Support Beamformee\n");
2574 }
2575}
2576
2577void rtw_build_wmm_ie_ht(struct adapter *padapter, u8 *out_ie, uint *pout_len)
2578{
2579 unsigned char WMM_IE[] = {0x00, 0x50, 0xf2, 0x02, 0x00, 0x01, 0x00};
2580 int out_len;
2581 u8 *pframe;
2582
2583 if (padapter->mlmepriv.qospriv.qos_option == 0) {
2584 out_len = *pout_len;
2585 pframe = rtw_set_ie(out_ie+out_len, _VENDOR_SPECIFIC_IE_,
2586 _WMM_IE_Length_, WMM_IE, pout_len);
2587
2588 padapter->mlmepriv.qospriv.qos_option = 1;
2589 }
2590}
2591
2592
2593unsigned int rtw_restructure_ht_ie(struct adapter *padapter, u8 *in_ie, u8 *out_ie, uint in_len, uint *pout_len, u8 channel)
2594{
2595 u32 ielen, out_len;
2596 enum HT_CAP_AMPDU_FACTOR max_rx_ampdu_factor;
2597 unsigned char *p, *pframe;
2598 struct rtw_ieee80211_ht_cap ht_capie;
2599 u8 cbw40_enable = 0, stbc_rx_enable = 0, rf_type = 0, operation_bw = 0;
2600 struct registry_priv *pregistrypriv = &padapter->registrypriv;
2601 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
2602 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
2603 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
2604
2605 phtpriv->ht_option = false;
2606
2607 out_len = *pout_len;
2608
2609 memset(&ht_capie, 0, sizeof(struct rtw_ieee80211_ht_cap));
2610
2611 ht_capie.cap_info = cpu_to_le16(IEEE80211_HT_CAP_DSSSCCK40);
2612
2613 if (phtpriv->sgi_20m)
2614 ht_capie.cap_info |= cpu_to_le16(IEEE80211_HT_CAP_SGI_20);
2615
2616
2617 if (!in_ie) {
2618
2619 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
2620 operation_bw = padapter->mlmeextpriv.cur_bwmode;
2621 if (operation_bw > CHANNEL_WIDTH_40)
2622 operation_bw = CHANNEL_WIDTH_40;
2623 } else
2624
2625 operation_bw = CHANNEL_WIDTH_40;
2626 } else {
2627 p = rtw_get_ie(in_ie, _HT_ADD_INFO_IE_, &ielen, in_len);
2628 if (p && (ielen == sizeof(struct ieee80211_ht_addt_info))) {
2629 struct HT_info_element *pht_info = (struct HT_info_element *)(p+2);
2630 if (pht_info->infos[0] & BIT(2)) {
2631 switch (pht_info->infos[0] & 0x3) {
2632 case 1:
2633 case 3:
2634 operation_bw = CHANNEL_WIDTH_40;
2635 break;
2636 default:
2637 operation_bw = CHANNEL_WIDTH_20;
2638 break;
2639 }
2640 } else {
2641 operation_bw = CHANNEL_WIDTH_20;
2642 }
2643 }
2644 }
2645
2646
2647 if (channel > 14) {
2648 if ((pregistrypriv->bw_mode & 0xf0) > 0)
2649 cbw40_enable = 1;
2650 } else {
2651 if ((pregistrypriv->bw_mode & 0x0f) > 0)
2652 cbw40_enable = 1;
2653 }
2654
2655 if ((cbw40_enable == 1) && (operation_bw == CHANNEL_WIDTH_40)) {
2656 ht_capie.cap_info |= cpu_to_le16(IEEE80211_HT_CAP_SUP_WIDTH);
2657 if (phtpriv->sgi_40m)
2658 ht_capie.cap_info |= cpu_to_le16(IEEE80211_HT_CAP_SGI_40);
2659 }
2660
2661 if (TEST_FLAG(phtpriv->stbc_cap, STBC_HT_ENABLE_TX))
2662 ht_capie.cap_info |= cpu_to_le16(IEEE80211_HT_CAP_TX_STBC);
2663
2664
2665 ht_capie.cap_info |= cpu_to_le16(IEEE80211_HT_CAP_SM_PS);
2666
2667 if (TEST_FLAG(phtpriv->stbc_cap, STBC_HT_ENABLE_RX)) {
2668 if ((channel <= 14 && pregistrypriv->rx_stbc == 0x1) ||
2669 (pregistrypriv->wifi_spec == 1)) {
2670 stbc_rx_enable = 1;
2671 DBG_871X("declare supporting RX STBC\n");
2672 }
2673 }
2674
2675
2676 memcpy(ht_capie.supp_mcs_set, pmlmeext->default_supported_mcs_set, 16);
2677
2678
2679 rtw_hal_get_hwreg(padapter, HW_VAR_RF_TYPE, (u8 *)(&rf_type));
2680
2681 switch (rf_type) {
2682 case RF_1T1R:
2683 if (stbc_rx_enable)
2684 ht_capie.cap_info |= cpu_to_le16(IEEE80211_HT_CAP_RX_STBC_1R);
2685
2686 set_mcs_rate_by_mask(ht_capie.supp_mcs_set, MCS_RATE_1R);
2687 break;
2688
2689 case RF_2T2R:
2690 case RF_1T2R:
2691 default:
2692 if (stbc_rx_enable)
2693 ht_capie.cap_info |= cpu_to_le16(IEEE80211_HT_CAP_RX_STBC_2R);
2694
2695 #ifdef CONFIG_DISABLE_MCS13TO15
2696 if (((cbw40_enable == 1) && (operation_bw == CHANNEL_WIDTH_40)) && (pregistrypriv->wifi_spec != 1))
2697 set_mcs_rate_by_mask(ht_capie.supp_mcs_set, MCS_RATE_2R_13TO15_OFF);
2698 else
2699 set_mcs_rate_by_mask(ht_capie.supp_mcs_set, MCS_RATE_2R);
2700 #else
2701 set_mcs_rate_by_mask(ht_capie.supp_mcs_set, MCS_RATE_2R);
2702 #endif
2703 break;
2704 }
2705
2706 {
2707 u32 rx_packet_offset, max_recvbuf_sz;
2708 rtw_hal_get_def_var(padapter, HAL_DEF_RX_PACKET_OFFSET, &rx_packet_offset);
2709 rtw_hal_get_def_var(padapter, HAL_DEF_MAX_RECVBUF_SZ, &max_recvbuf_sz);
2710 }
2711
2712 if (padapter->driver_rx_ampdu_factor != 0xFF)
2713 max_rx_ampdu_factor =
2714 (enum HT_CAP_AMPDU_FACTOR)padapter->driver_rx_ampdu_factor;
2715 else
2716 rtw_hal_get_def_var(padapter, HW_VAR_MAX_RX_AMPDU_FACTOR,
2717 &max_rx_ampdu_factor);
2718
2719
2720 ht_capie.ampdu_params_info = (max_rx_ampdu_factor&0x03);
2721
2722 if (padapter->securitypriv.dot11PrivacyAlgrthm == _AES_)
2723 ht_capie.ampdu_params_info |= (IEEE80211_HT_CAP_AMPDU_DENSITY&(0x07<<2));
2724 else
2725 ht_capie.ampdu_params_info |= (IEEE80211_HT_CAP_AMPDU_DENSITY&0x00);
2726
2727 pframe = rtw_set_ie(out_ie+out_len, _HT_CAPABILITY_IE_,
2728 sizeof(struct rtw_ieee80211_ht_cap), (unsigned char *)&ht_capie, pout_len);
2729
2730 phtpriv->ht_option = true;
2731
2732 if (in_ie) {
2733 p = rtw_get_ie(in_ie, _HT_ADD_INFO_IE_, &ielen, in_len);
2734 if (p && (ielen == sizeof(struct ieee80211_ht_addt_info))) {
2735 out_len = *pout_len;
2736 pframe = rtw_set_ie(out_ie+out_len, _HT_ADD_INFO_IE_, ielen, p+2, pout_len);
2737 }
2738 }
2739
2740 return phtpriv->ht_option;
2741
2742}
2743
2744
2745void rtw_update_ht_cap(struct adapter *padapter, u8 *pie, uint ie_len, u8 channel)
2746{
2747 u8 *p, max_ampdu_sz;
2748 int len;
2749
2750 struct rtw_ieee80211_ht_cap *pht_capie;
2751 struct ieee80211_ht_addt_info *pht_addtinfo;
2752
2753 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
2754 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
2755
2756 struct registry_priv *pregistrypriv = &padapter->registrypriv;
2757
2758 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
2759 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
2760 u8 cbw40_enable = 0;
2761
2762 if (!phtpriv->ht_option)
2763 return;
2764
2765 if ((!pmlmeinfo->HT_info_enable) || (!pmlmeinfo->HT_caps_enable))
2766 return;
2767
2768 DBG_871X("+rtw_update_ht_cap()\n");
2769
2770
2771 if (!(phtpriv->ampdu_enable) && pregistrypriv->ampdu_enable == 1) {
2772 phtpriv->ampdu_enable = true;
2773 }
2774
2775
2776 len = 0;
2777 p = rtw_get_ie(pie+sizeof(struct ndis_802_11_fix_ie), _HT_CAPABILITY_IE_, &len, ie_len-sizeof(struct ndis_802_11_fix_ie));
2778 if (p && len > 0) {
2779 pht_capie = (struct rtw_ieee80211_ht_cap *)(p+2);
2780 max_ampdu_sz = (pht_capie->ampdu_params_info & IEEE80211_HT_CAP_AMPDU_FACTOR);
2781 max_ampdu_sz = 1 << (max_ampdu_sz+3);
2782
2783
2784 phtpriv->rx_ampdu_maxlen = max_ampdu_sz;
2785
2786 }
2787
2788 len = 0;
2789 p = rtw_get_ie(pie+sizeof(struct ndis_802_11_fix_ie), _HT_ADD_INFO_IE_, &len, ie_len-sizeof(struct ndis_802_11_fix_ie));
2790 if (p && len > 0) {
2791 pht_addtinfo = (struct ieee80211_ht_addt_info *)(p+2);
2792
2793 }
2794
2795 if (channel > 14) {
2796 if ((pregistrypriv->bw_mode & 0xf0) > 0)
2797 cbw40_enable = 1;
2798 } else {
2799 if ((pregistrypriv->bw_mode & 0x0f) > 0)
2800 cbw40_enable = 1;
2801 }
2802
2803
2804 if ((cbw40_enable) &&
2805 (le16_to_cpu(pmlmeinfo->HT_caps.u.HT_cap_element.HT_caps_info) &
2806 BIT(1)) && (pmlmeinfo->HT_info.infos[0] & BIT(2))) {
2807 int i;
2808 u8 rf_type;
2809
2810 rtw_hal_get_hwreg(padapter, HW_VAR_RF_TYPE, (u8 *)(&rf_type));
2811
2812
2813 for (i = 0; i < 16; i++)
2814 pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate[i] &= pmlmeext->default_supported_mcs_set[i];
2815
2816
2817 switch (rf_type) {
2818 case RF_1T1R:
2819 case RF_1T2R:
2820 set_mcs_rate_by_mask(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_RATE_1R);
2821 break;
2822 case RF_2T2R:
2823 default:
2824#ifdef CONFIG_DISABLE_MCS13TO15
2825 if (pmlmeext->cur_bwmode == CHANNEL_WIDTH_40 && pregistrypriv->wifi_spec != 1)
2826 set_mcs_rate_by_mask(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_RATE_2R_13TO15_OFF);
2827 else
2828 set_mcs_rate_by_mask(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_RATE_2R);
2829#else
2830 set_mcs_rate_by_mask(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_RATE_2R);
2831#endif
2832 }
2833
2834
2835
2836 switch ((pmlmeinfo->HT_info.infos[0] & 0x3)) {
2837 case EXTCHNL_OFFSET_UPPER:
2838 pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER;
2839 break;
2840
2841 case EXTCHNL_OFFSET_LOWER:
2842 pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_UPPER;
2843 break;
2844
2845 default:
2846 pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
2847 break;
2848 }
2849 }
2850
2851
2852
2853
2854 pmlmeinfo->SM_PS =
2855 (le16_to_cpu(pmlmeinfo->HT_caps.u.HT_cap_element.HT_caps_info) &
2856 0x0C) >> 2;
2857 if (pmlmeinfo->SM_PS == WLAN_HT_CAP_SM_PS_STATIC)
2858 DBG_871X("%s(): WLAN_HT_CAP_SM_PS_STATIC\n", __func__);
2859
2860
2861
2862
2863 pmlmeinfo->HT_protection = pmlmeinfo->HT_info.infos[1] & 0x3;
2864}
2865
2866void rtw_issue_addbareq_cmd(struct adapter *padapter, struct xmit_frame *pxmitframe)
2867{
2868 u8 issued;
2869 int priority;
2870 struct sta_info *psta = NULL;
2871 struct ht_priv *phtpriv;
2872 struct pkt_attrib *pattrib = &pxmitframe->attrib;
2873 s32 bmcst = IS_MCAST(pattrib->ra);
2874
2875
2876 if (bmcst || (padapter->mlmepriv.LinkDetectInfo.NumTxOkInPeriod < 100))
2877 return;
2878
2879 priority = pattrib->priority;
2880
2881 psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra);
2882 if (pattrib->psta != psta) {
2883 DBG_871X("%s, pattrib->psta(%p) != psta(%p)\n", __func__, pattrib->psta, psta);
2884 return;
2885 }
2886
2887 if (!psta) {
2888 DBG_871X("%s, psta ==NUL\n", __func__);
2889 return;
2890 }
2891
2892 if (!(psta->state & _FW_LINKED)) {
2893 DBG_871X("%s, psta->state(0x%x) != _FW_LINKED\n", __func__, psta->state);
2894 return;
2895 }
2896
2897 phtpriv = &psta->htpriv;
2898
2899 if (phtpriv->ht_option && phtpriv->ampdu_enable) {
2900 issued = (phtpriv->agg_enable_bitmap>>priority)&0x1;
2901 issued |= (phtpriv->candidate_tid_bitmap>>priority)&0x1;
2902
2903 if (0 == issued) {
2904 DBG_871X("rtw_issue_addbareq_cmd, p =%d\n", priority);
2905 psta->htpriv.candidate_tid_bitmap |= BIT((u8)priority);
2906 rtw_addbareq_cmd(padapter, (u8) priority, pattrib->ra);
2907 }
2908 }
2909
2910}
2911
2912void rtw_append_exented_cap(struct adapter *padapter, u8 *out_ie, uint *pout_len)
2913{
2914 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
2915 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
2916 u8 cap_content[8] = {0};
2917
2918 if (phtpriv->bss_coexist)
2919 SET_EXT_CAPABILITY_ELE_BSS_COEXIST(cap_content, 1);
2920
2921 rtw_set_ie(out_ie + *pout_len, EID_EXTCapability, 8, cap_content, pout_len);
2922}
2923
2924inline void rtw_set_to_roam(struct adapter *adapter, u8 to_roam)
2925{
2926 if (to_roam == 0)
2927 adapter->mlmepriv.to_join = false;
2928 adapter->mlmepriv.to_roam = to_roam;
2929}
2930
2931inline u8 rtw_dec_to_roam(struct adapter *adapter)
2932{
2933 adapter->mlmepriv.to_roam--;
2934 return adapter->mlmepriv.to_roam;
2935}
2936
2937inline u8 rtw_to_roam(struct adapter *adapter)
2938{
2939 return adapter->mlmepriv.to_roam;
2940}
2941
2942void rtw_roaming(struct adapter *padapter, struct wlan_network *tgt_network)
2943{
2944 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
2945
2946 spin_lock_bh(&pmlmepriv->lock);
2947 _rtw_roaming(padapter, tgt_network);
2948 spin_unlock_bh(&pmlmepriv->lock);
2949}
2950void _rtw_roaming(struct adapter *padapter, struct wlan_network *tgt_network)
2951{
2952 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
2953 struct wlan_network *cur_network = &pmlmepriv->cur_network;
2954 int do_join_r;
2955
2956 if (0 < rtw_to_roam(padapter)) {
2957 DBG_871X("roaming from %s("MAC_FMT"), length:%d\n",
2958 cur_network->network.Ssid.Ssid, MAC_ARG(cur_network->network.MacAddress),
2959 cur_network->network.Ssid.SsidLength);
2960 memcpy(&pmlmepriv->assoc_ssid, &cur_network->network.Ssid, sizeof(struct ndis_802_11_ssid));
2961
2962 pmlmepriv->assoc_by_bssid = false;
2963
2964 while (1) {
2965 do_join_r = rtw_do_join(padapter);
2966 if (_SUCCESS == do_join_r) {
2967 break;
2968 } else {
2969 DBG_871X("roaming do_join return %d\n", do_join_r);
2970 rtw_dec_to_roam(padapter);
2971
2972 if (rtw_to_roam(padapter) > 0) {
2973 continue;
2974 } else {
2975 DBG_871X("%s(%d) -to roaming fail, indicate_disconnect\n", __func__, __LINE__);
2976 rtw_indicate_disconnect(padapter);
2977 break;
2978 }
2979 }
2980 }
2981 }
2982
2983}
2984
2985sint rtw_linked_check(struct adapter *padapter)
2986{
2987 if ((check_fwstate(&padapter->mlmepriv, WIFI_AP_STATE) == true) ||
2988 (check_fwstate(&padapter->mlmepriv, WIFI_ADHOC_STATE|WIFI_ADHOC_MASTER_STATE) == true)) {
2989 if (padapter->stapriv.asoc_sta_count > 2)
2990 return true;
2991 } else {
2992 if (check_fwstate(&padapter->mlmepriv, _FW_LINKED) == true)
2993 return true;
2994 }
2995 return false;
2996}
2997