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staging: rtl8723au: Remove FUNC_ADPT_{FMT,ARG}
[deliverable/linux.git] / drivers / staging / rtl8723au / core / rtw_mlme.c
1 /******************************************************************************
2 *
3 * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of version 2 of the GNU General Public License as
7 * published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
12 * more details.
13 *
14 ******************************************************************************/
15 #define _RTW_MLME_C_
16
17 #include <osdep_service.h>
18 #include <drv_types.h>
19 #include <recv_osdep.h>
20 #include <xmit_osdep.h>
21 #include <hal_intf.h>
22 #include <mlme_osdep.h>
23 #include <sta_info.h>
24 #include <linux/ieee80211.h>
25 #include <wifi.h>
26 #include <wlan_bssdef.h>
27 #include <rtw_ioctl_set.h>
28
29 extern u8 rtw_do_join23a(struct rtw_adapter * padapter);
30
31 static void rtw_init_mlme_timer(struct rtw_adapter *padapter)
32 {
33 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
34
35 setup_timer(&pmlmepriv->assoc_timer, rtw23a_join_to_handler,
36 (unsigned long)padapter);
37
38 setup_timer(&pmlmepriv->scan_to_timer, rtw_scan_timeout_handler23a,
39 (unsigned long)padapter);
40
41 setup_timer(&pmlmepriv->dynamic_chk_timer,
42 rtw_dynamic_check_timer_handler, (unsigned long)padapter);
43
44 setup_timer(&pmlmepriv->set_scan_deny_timer,
45 rtw_set_scan_deny_timer_hdl, (unsigned long)padapter);
46 }
47
48 int rtw_init_mlme_priv23a(struct rtw_adapter *padapter)
49 {
50 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
51 int res = _SUCCESS;
52
53 pmlmepriv->nic_hdl = padapter;
54
55 pmlmepriv->fw_state = 0;
56 pmlmepriv->cur_network.network.InfrastructureMode =
57 Ndis802_11AutoUnknown;
58 /* 1: active, 0: pasive. Maybe someday we should rename this
59 varable to "active_mode" (Jeff) */
60 pmlmepriv->scan_mode = SCAN_ACTIVE;
61
62 spin_lock_init(&pmlmepriv->lock);
63 _rtw_init_queue23a(&pmlmepriv->scanned_queue);
64
65 memset(&pmlmepriv->assoc_ssid, 0, sizeof(struct cfg80211_ssid));
66
67 rtw_clear_scan_deny(padapter);
68
69 rtw_init_mlme_timer(padapter);
70 return res;
71 }
72
73 #ifdef CONFIG_8723AU_AP_MODE
74 static void rtw_free_mlme_ie_data(u8 **ppie, u32 *plen)
75 {
76 if (*ppie) {
77 kfree(*ppie);
78 *plen = 0;
79 *ppie = NULL;
80 }
81 }
82 #endif
83
84 void rtw23a_free_mlme_priv_ie_data(struct mlme_priv *pmlmepriv)
85 {
86 #ifdef CONFIG_8723AU_AP_MODE
87 kfree(pmlmepriv->assoc_req);
88 kfree(pmlmepriv->assoc_rsp);
89 rtw_free_mlme_ie_data(&pmlmepriv->wps_beacon_ie,
90 &pmlmepriv->wps_beacon_ie_len);
91 rtw_free_mlme_ie_data(&pmlmepriv->wps_probe_req_ie,
92 &pmlmepriv->wps_probe_req_ie_len);
93 rtw_free_mlme_ie_data(&pmlmepriv->wps_probe_resp_ie,
94 &pmlmepriv->wps_probe_resp_ie_len);
95 rtw_free_mlme_ie_data(&pmlmepriv->wps_assoc_resp_ie,
96 &pmlmepriv->wps_assoc_resp_ie_len);
97
98 rtw_free_mlme_ie_data(&pmlmepriv->p2p_beacon_ie,
99 &pmlmepriv->p2p_beacon_ie_len);
100 rtw_free_mlme_ie_data(&pmlmepriv->p2p_probe_req_ie,
101 &pmlmepriv->p2p_probe_req_ie_len);
102 rtw_free_mlme_ie_data(&pmlmepriv->p2p_probe_resp_ie,
103 &pmlmepriv->p2p_probe_resp_ie_len);
104 rtw_free_mlme_ie_data(&pmlmepriv->p2p_go_probe_resp_ie,
105 &pmlmepriv->p2p_go_probe_resp_ie_len);
106 rtw_free_mlme_ie_data(&pmlmepriv->p2p_assoc_req_ie,
107 &pmlmepriv->p2p_assoc_req_ie_len);
108
109 rtw_free_mlme_ie_data(&pmlmepriv->wfd_beacon_ie,
110 &pmlmepriv->wfd_beacon_ie_len);
111 rtw_free_mlme_ie_data(&pmlmepriv->wfd_probe_req_ie,
112 &pmlmepriv->wfd_probe_req_ie_len);
113 rtw_free_mlme_ie_data(&pmlmepriv->wfd_probe_resp_ie,
114 &pmlmepriv->wfd_probe_resp_ie_len);
115 rtw_free_mlme_ie_data(&pmlmepriv->wfd_go_probe_resp_ie,
116 &pmlmepriv->wfd_go_probe_resp_ie_len);
117 rtw_free_mlme_ie_data(&pmlmepriv->wfd_assoc_req_ie,
118 &pmlmepriv->wfd_assoc_req_ie_len);
119 #endif
120 }
121
122 void rtw_free_mlme_priv23a(struct mlme_priv *pmlmepriv)
123 {
124 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
125 ("rtw_free_mlme_priv23a\n"));
126
127 rtw23a_free_mlme_priv_ie_data(pmlmepriv);
128 }
129
130 struct wlan_network *rtw_alloc_network(struct mlme_priv *pmlmepriv, int gfp)
131 {
132 struct wlan_network *pnetwork;
133
134 pnetwork = kzalloc(sizeof(struct wlan_network), gfp);
135 if (pnetwork) {
136 INIT_LIST_HEAD(&pnetwork->list);
137 pnetwork->network_type = 0;
138 pnetwork->fixed = false;
139 pnetwork->last_scanned = jiffies;
140 pnetwork->aid = 0;
141 pnetwork->join_res = 0;
142 }
143
144 return pnetwork;
145 }
146
147 static void _rtw_free_network23a(struct mlme_priv *pmlmepriv,
148 struct wlan_network *pnetwork)
149 {
150 if (!pnetwork)
151 return;
152
153 if (pnetwork->fixed == true)
154 return;
155
156 list_del_init(&pnetwork->list);
157
158 kfree(pnetwork);
159 }
160
161 /*
162 return the wlan_network with the matching addr
163
164 Shall be calle under atomic context... to avoid possible racing condition...
165 */
166 struct wlan_network *
167 rtw_find_network23a(struct rtw_queue *scanned_queue, u8 *addr)
168 {
169 struct list_head *phead, *plist;
170 struct wlan_network *pnetwork = NULL;
171
172 if (is_zero_ether_addr(addr)) {
173 pnetwork = NULL;
174 goto exit;
175 }
176
177 /* spin_lock_bh(&scanned_queue->lock); */
178
179 phead = get_list_head(scanned_queue);
180 plist = phead->next;
181
182 while (plist != phead) {
183 pnetwork = container_of(plist, struct wlan_network, list);
184
185 if (ether_addr_equal(addr, pnetwork->network.MacAddress))
186 break;
187
188 plist = plist->next;
189 }
190
191 if (plist == phead)
192 pnetwork = NULL;
193
194 /* spin_unlock_bh(&scanned_queue->lock); */
195
196 exit:
197
198 return pnetwork;
199 }
200
201 void rtw_free_network_queue23a(struct rtw_adapter *padapter)
202 {
203 struct list_head *phead, *plist, *ptmp;
204 struct wlan_network *pnetwork;
205 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
206 struct rtw_queue *scanned_queue = &pmlmepriv->scanned_queue;
207
208 spin_lock_bh(&scanned_queue->lock);
209
210 phead = get_list_head(scanned_queue);
211
212 list_for_each_safe(plist, ptmp, phead) {
213 pnetwork = container_of(plist, struct wlan_network, list);
214
215 _rtw_free_network23a(pmlmepriv, pnetwork);
216 }
217
218 spin_unlock_bh(&scanned_queue->lock);
219 }
220
221 int rtw_if_up23a(struct rtw_adapter *padapter)
222 {
223 int res;
224
225 if (padapter->bDriverStopped || padapter->bSurpriseRemoved ||
226 check_fwstate(&padapter->mlmepriv, _FW_LINKED) == false) {
227 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
228 ("rtw_if_up23a:bDriverStopped(%d) OR "
229 "bSurpriseRemoved(%d)", padapter->bDriverStopped,
230 padapter->bSurpriseRemoved));
231 res = false;
232 } else
233 res = true;
234
235 return res;
236 }
237
238 void rtw_generate_random_ibss23a(u8* pibss)
239 {
240 unsigned long curtime = jiffies;
241
242 pibss[0] = 0x02; /* in ad-hoc mode bit1 must set to 1 */
243 pibss[1] = 0x11;
244 pibss[2] = 0x87;
245 pibss[3] = curtime & 0xff;/* p[0]; */
246 pibss[4] = (curtime >> 8) & 0xff;/* p[1]; */
247 pibss[5] = (curtime >> 16) & 0xff;/* p[2]; */
248
249 return;
250 }
251
252 void rtw_set_roaming(struct rtw_adapter *adapter, u8 to_roaming)
253 {
254 if (to_roaming == 0)
255 adapter->mlmepriv.to_join = false;
256 adapter->mlmepriv.to_roaming = to_roaming;
257 }
258
259 static void _rtw_roaming(struct rtw_adapter *padapter,
260 struct wlan_network *tgt_network)
261 {
262 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
263 struct wlan_network *pnetwork;
264 int do_join_r;
265
266 if (tgt_network)
267 pnetwork = tgt_network;
268 else
269 pnetwork = &pmlmepriv->cur_network;
270
271 if (padapter->mlmepriv.to_roaming > 0) {
272 DBG_8723A("roaming from %s("MAC_FMT"), length:%d\n",
273 pnetwork->network.Ssid.ssid,
274 MAC_ARG(pnetwork->network.MacAddress),
275 pnetwork->network.Ssid.ssid_len);
276 memcpy(&pmlmepriv->assoc_ssid, &pnetwork->network.Ssid,
277 sizeof(struct cfg80211_ssid));
278
279 pmlmepriv->assoc_by_bssid = false;
280
281 while (1) {
282 do_join_r = rtw_do_join23a(padapter);
283 if (do_join_r == _SUCCESS)
284 break;
285 else {
286 DBG_8723A("roaming do_join return %d\n",
287 do_join_r);
288 pmlmepriv->to_roaming--;
289
290 if (padapter->mlmepriv.to_roaming > 0)
291 continue;
292 else {
293 DBG_8723A("%s(%d) -to roaming fail, "
294 "indicate_disconnect\n",
295 __func__, __LINE__);
296 rtw_indicate_disconnect23a(padapter);
297 break;
298 }
299 }
300 }
301 }
302 }
303
304 void rtw23a_roaming(struct rtw_adapter *padapter,
305 struct wlan_network *tgt_network)
306 {
307 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
308
309 spin_lock_bh(&pmlmepriv->lock);
310 _rtw_roaming(padapter, tgt_network);
311 spin_unlock_bh(&pmlmepriv->lock);
312 }
313
314 __le16 *rtw_get_capability23a_from_ie(u8 *ie)
315 {
316 return (__le16 *)(ie + 8 + 2);
317 }
318
319 u16 rtw_get_capability23a(struct wlan_bssid_ex *bss)
320 {
321 u16 val;
322
323 memcpy(&val, rtw_get_capability23a_from_ie(bss->IEs), 2);
324
325 return le16_to_cpu(val);
326 }
327
328 __le16 *rtw_get_beacon_interval23a_from_ie(u8 *ie)
329 {
330 return (__le16 *)(ie + 8);
331 }
332
333 static void rtw_free_network_nolock(struct mlme_priv *pmlmepriv,
334 struct wlan_network *pnetwork)
335 {
336 _rtw_free_network23a(pmlmepriv, pnetwork);
337 }
338
339 int rtw_is_same_ibss23a(struct rtw_adapter *adapter,
340 struct wlan_network *pnetwork)
341 {
342 int ret = true;
343 struct security_priv *psecuritypriv = &adapter->securitypriv;
344
345 if (psecuritypriv->dot11PrivacyAlgrthm != _NO_PRIVACY_ &&
346 pnetwork->network.Privacy == 0)
347 ret = false;
348 else if (psecuritypriv->dot11PrivacyAlgrthm == _NO_PRIVACY_ &&
349 pnetwork->network.Privacy == 1)
350 ret = false;
351 else
352 ret = true;
353
354 return ret;
355 }
356
357 inline int is_same_ess(struct wlan_bssid_ex *a, struct wlan_bssid_ex *b);
358 inline int is_same_ess(struct wlan_bssid_ex *a, struct wlan_bssid_ex *b)
359 {
360 return (a->Ssid.ssid_len == b->Ssid.ssid_len) &&
361 !memcmp(a->Ssid.ssid, b->Ssid.ssid, a->Ssid.ssid_len);
362 }
363
364 int is_same_network23a(struct wlan_bssid_ex *src, struct wlan_bssid_ex *dst)
365 {
366 u16 s_cap, d_cap;
367
368 s_cap = get_unaligned_le16(rtw_get_capability23a_from_ie(src->IEs));
369 d_cap = get_unaligned_le16(rtw_get_capability23a_from_ie(dst->IEs));
370
371 return ((src->Ssid.ssid_len == dst->Ssid.ssid_len) &&
372 /* (src->Configuration.DSConfig == dst->Configuration.DSConfig) && */
373 ether_addr_equal(src->MacAddress, dst->MacAddress) &&
374 ((!memcmp(src->Ssid.ssid, dst->Ssid.ssid, src->Ssid.ssid_len))) &&
375 ((s_cap & WLAN_CAPABILITY_IBSS) ==
376 (d_cap & WLAN_CAPABILITY_IBSS)) &&
377 ((s_cap & WLAN_CAPABILITY_ESS) ==
378 (d_cap & WLAN_CAPABILITY_ESS)));
379 }
380
381 struct wlan_network *
382 rtw_get_oldest_wlan_network23a(struct rtw_queue *scanned_queue)
383 {
384 struct list_head *plist, *phead;
385 struct wlan_network *pwlan;
386 struct wlan_network *oldest = NULL;
387
388 phead = get_list_head(scanned_queue);
389
390 list_for_each(plist, phead) {
391 pwlan = container_of(plist, struct wlan_network, list);
392
393 if (pwlan->fixed != true) {
394 if (!oldest || time_after(oldest->last_scanned,
395 pwlan->last_scanned))
396 oldest = pwlan;
397 }
398 }
399
400 return oldest;
401 }
402
403 void update_network23a(struct wlan_bssid_ex *dst, struct wlan_bssid_ex *src,
404 struct rtw_adapter *padapter, bool update_ie)
405 {
406 u8 ss_ori = dst->PhyInfo.SignalStrength;
407 u8 sq_ori = dst->PhyInfo.SignalQuality;
408 long rssi_ori = dst->Rssi;
409
410 u8 ss_smp = src->PhyInfo.SignalStrength;
411 u8 sq_smp = src->PhyInfo.SignalQuality;
412 long rssi_smp = src->Rssi;
413
414 u8 ss_final;
415 u8 sq_final;
416 long rssi_final;
417
418 DBG_8723A("%s %s(%pM, ch%u) ss_ori:%3u, sq_ori:%3u, rssi_ori:%3ld, "
419 "ss_smp:%3u, sq_smp:%3u, rssi_smp:%3ld\n",
420 __func__, src->Ssid.ssid, src->MacAddress,
421 src->Configuration.DSConfig, ss_ori, sq_ori, rssi_ori,
422 ss_smp, sq_smp, rssi_smp
423 );
424
425 /* The rule below is 1/5 for sample value, 4/5 for history value */
426 if (check_fwstate(&padapter->mlmepriv, _FW_LINKED) &&
427 is_same_network23a(&padapter->mlmepriv.cur_network.network, src)) {
428 /* Take the recvpriv's value for the connected AP*/
429 ss_final = padapter->recvpriv.signal_strength;
430 sq_final = padapter->recvpriv.signal_qual;
431 /* the rssi value here is undecorated, and will be
432 used for antenna diversity */
433 if (sq_smp != 101) /* from the right channel */
434 rssi_final = (src->Rssi+dst->Rssi*4)/5;
435 else
436 rssi_final = rssi_ori;
437 } else {
438 if (sq_smp != 101) { /* from the right channel */
439 ss_final = ((u32)src->PhyInfo.SignalStrength +
440 (u32)dst->PhyInfo.SignalStrength * 4) / 5;
441 sq_final = ((u32)src->PhyInfo.SignalQuality +
442 (u32)dst->PhyInfo.SignalQuality * 4) / 5;
443 rssi_final = src->Rssi+dst->Rssi * 4 / 5;
444 } else {
445 /* bss info not receving from the right channel, use
446 the original RX signal infos */
447 ss_final = dst->PhyInfo.SignalStrength;
448 sq_final = dst->PhyInfo.SignalQuality;
449 rssi_final = dst->Rssi;
450 }
451
452 }
453
454 if (update_ie)
455 memcpy(dst, src, get_wlan_bssid_ex_sz(src));
456
457 dst->PhyInfo.SignalStrength = ss_final;
458 dst->PhyInfo.SignalQuality = sq_final;
459 dst->Rssi = rssi_final;
460
461 DBG_8723A("%s %s(%pM), SignalStrength:%u, SignalQuality:%u, "
462 "RawRSSI:%ld\n", __func__, dst->Ssid.ssid, dst->MacAddress,
463 dst->PhyInfo.SignalStrength,
464 dst->PhyInfo.SignalQuality, dst->Rssi);
465 }
466
467 static void update_current_network(struct rtw_adapter *adapter,
468 struct wlan_bssid_ex *pnetwork)
469 {
470 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
471
472 if (check_fwstate(pmlmepriv, _FW_LINKED) &&
473 is_same_network23a(&pmlmepriv->cur_network.network, pnetwork)) {
474 update_network23a(&pmlmepriv->cur_network.network,
475 pnetwork,adapter, true);
476 rtw_update_protection23a(adapter,
477 pmlmepriv->cur_network.network.IEs +
478 sizeof (struct ndis_802_11_fixed_ies),
479 pmlmepriv->cur_network.network.IELength);
480 }
481 }
482
483 /*
484
485 Caller must hold pmlmepriv->lock first.
486
487 */
488 void rtw_update_scanned_network23a(struct rtw_adapter *adapter,
489 struct wlan_bssid_ex *target)
490 {
491 struct list_head *plist, *phead;
492 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
493 struct wlan_network *pnetwork = NULL;
494 struct wlan_network *oldest = NULL;
495 struct rtw_queue *queue = &pmlmepriv->scanned_queue;
496 u32 bssid_ex_sz;
497 int found = 0;
498
499 spin_lock_bh(&queue->lock);
500 phead = get_list_head(queue);
501
502 list_for_each(plist, phead) {
503 pnetwork = container_of(plist, struct wlan_network, list);
504
505 if (is_same_network23a(&pnetwork->network, target)) {
506 found = 1;
507 break;
508 }
509 if (!oldest || time_after(oldest->last_scanned,
510 pnetwork->last_scanned))
511 oldest = pnetwork;
512 }
513
514 /* If we didn't find a match, then get a new network slot to initialize
515 * with this beacon's information */
516 if (!found) {
517 pnetwork = rtw_alloc_network(pmlmepriv, GFP_ATOMIC);
518 if (!pnetwork) {
519 if (!oldest) {
520 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
521 ("\n\n\nsomething wrong here\n\n\n"));
522 goto exit;
523 }
524 pnetwork = oldest;
525 } else
526 list_add_tail(&pnetwork->list, &queue->queue);
527
528 bssid_ex_sz = get_wlan_bssid_ex_sz(target);
529 target->Length = bssid_ex_sz;
530 memcpy(&pnetwork->network, target, bssid_ex_sz);
531
532 /* variable initialize */
533 pnetwork->fixed = false;
534 pnetwork->last_scanned = jiffies;
535
536 pnetwork->network_type = 0;
537 pnetwork->aid = 0;
538 pnetwork->join_res = 0;
539
540 /* bss info not receving from the right channel */
541 if (pnetwork->network.PhyInfo.SignalQuality == 101)
542 pnetwork->network.PhyInfo.SignalQuality = 0;
543 } else {
544 /*
545 * we have an entry and we are going to update it. But
546 * this entry may be already expired. In this case we
547 * do the same as we found a new net and call the
548 * new_net handler
549 */
550 bool update_ie = true;
551
552 pnetwork->last_scanned = jiffies;
553
554 /* target.reserved == 1, means that scanned network is
555 * a bcn frame. */
556 if (pnetwork->network.IELength > target->IELength &&
557 target->reserved == 1)
558 update_ie = false;
559
560 update_network23a(&pnetwork->network, target,adapter,
561 update_ie);
562 }
563
564 exit:
565 spin_unlock_bh(&queue->lock);
566 }
567
568 static void rtw_add_network(struct rtw_adapter *adapter,
569 struct wlan_bssid_ex *pnetwork)
570 {
571 update_current_network(adapter, pnetwork);
572 rtw_update_scanned_network23a(adapter, pnetwork);
573 }
574
575 /* select the desired network based on the capability of the (i)bss. */
576 /* check items: (1) security */
577 /* (2) network_type */
578 /* (3) WMM */
579 /* (4) HT */
580 /* (5) others */
581 static int rtw_is_desired_network(struct rtw_adapter *adapter,
582 struct wlan_network *pnetwork)
583 {
584 struct security_priv *psecuritypriv = &adapter->securitypriv;
585 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
586 u32 desired_encmode;
587 u32 privacy;
588
589 /* u8 wps_ie[512]; */
590 uint wps_ielen;
591
592 int bselected = true;
593
594 desired_encmode = psecuritypriv->ndisencryptstatus;
595 privacy = pnetwork->network.Privacy;
596
597 if (check_fwstate(pmlmepriv, WIFI_UNDER_WPS)) {
598 if (rtw_get_wps_ie23a(pnetwork->network.IEs + _FIXED_IE_LENGTH_,
599 pnetwork->network.IELength -
600 _FIXED_IE_LENGTH_, NULL, &wps_ielen))
601 return true;
602 else
603 return false;
604 }
605 if (adapter->registrypriv.wifi_spec == 1) {
606 /* for correct flow of 8021X to do.... */
607 if (desired_encmode == Ndis802_11EncryptionDisabled &&
608 privacy != 0)
609 bselected = false;
610 }
611
612 if (desired_encmode != Ndis802_11EncryptionDisabled &&
613 privacy == 0) {
614 DBG_8723A("desired_encmode: %d, privacy: %d\n",
615 desired_encmode, privacy);
616 bselected = false;
617 }
618
619 if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) {
620 if (pnetwork->network.InfrastructureMode !=
621 pmlmepriv->cur_network.network.InfrastructureMode)
622 bselected = false;
623 }
624
625 return bselected;
626 }
627
628 /* TODO: Perry : For Power Management */
629 void rtw_atimdone_event_callback23a(struct rtw_adapter *adapter, const u8 *pbuf)
630 {
631 RT_TRACE(_module_rtl871x_mlme_c_,_drv_err_,("receive atimdone_evet\n"));
632
633 return;
634 }
635
636 void rtw_survey_event_cb23a(struct rtw_adapter *adapter, const u8 *pbuf)
637 {
638 u32 len;
639 struct wlan_bssid_ex *pnetwork;
640 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
641
642 pnetwork = (struct wlan_bssid_ex *)pbuf;
643
644 RT_TRACE(_module_rtl871x_mlme_c_,_drv_info_,
645 ("rtw_survey_event_cb23a, ssid=%s\n", pnetwork->Ssid.ssid));
646
647 len = get_wlan_bssid_ex_sz(pnetwork);
648 if (len > (sizeof(struct wlan_bssid_ex))) {
649 RT_TRACE(_module_rtl871x_mlme_c_,_drv_err_,
650 ("\n ****rtw_survey_event_cb23a: return a wrong "
651 "bss ***\n"));
652 return;
653 }
654
655 spin_lock_bh(&pmlmepriv->lock);
656
657 /* update IBSS_network 's timestamp */
658 if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) {
659 /* RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
660 "rtw_survey_event_cb23a : WIFI_ADHOC_MASTER_STATE\n\n"); */
661 if (ether_addr_equal(pmlmepriv->cur_network.network.MacAddress,
662 pnetwork->MacAddress)) {
663 struct wlan_network* ibss_wlan;
664
665 memcpy(pmlmepriv->cur_network.network.IEs,
666 pnetwork->IEs, 8);
667 spin_lock_bh(&pmlmepriv->scanned_queue.lock);
668 ibss_wlan = rtw_find_network23a(
669 &pmlmepriv->scanned_queue,
670 pnetwork->MacAddress);
671 if (ibss_wlan) {
672 memcpy(ibss_wlan->network.IEs,
673 pnetwork->IEs, 8);
674 spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
675 goto exit;
676 }
677 spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
678 }
679 }
680
681 /* lock pmlmepriv->lock when you accessing network_q */
682 if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING) == false) {
683 if (pnetwork->Ssid.ssid[0] == 0)
684 pnetwork->Ssid.ssid_len = 0;
685
686 rtw_add_network(adapter, pnetwork);
687 }
688
689 exit:
690
691 spin_unlock_bh(&pmlmepriv->lock);
692
693 return;
694 }
695
696 void
697 rtw_surveydone_event_callback23a(struct rtw_adapter *adapter, const u8 *pbuf)
698 {
699 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
700 struct mlme_ext_priv *pmlmeext = &adapter->mlmeextpriv;
701 struct wlan_bssid_ex *pdev_network;
702 u8 *pibss;
703
704 spin_lock_bh(&pmlmepriv->lock);
705
706 if (pmlmepriv->wps_probe_req_ie) {
707 pmlmepriv->wps_probe_req_ie_len = 0;
708 kfree(pmlmepriv->wps_probe_req_ie);
709 pmlmepriv->wps_probe_req_ie = NULL;
710 }
711
712 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
713 ("rtw_surveydone_event_callback23a: fw_state:%x\n\n",
714 get_fwstate(pmlmepriv)));
715
716 if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY)) {
717 del_timer_sync(&pmlmepriv->scan_to_timer);
718
719 _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY);
720 } else {
721 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
722 ("nic status =%x, survey done event comes too late!\n",
723 get_fwstate(pmlmepriv)));
724 }
725
726 rtw_set_signal_stat_timer(&adapter->recvpriv);
727
728 if (pmlmepriv->to_join == true) {
729 if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) {
730 if (check_fwstate(pmlmepriv, _FW_LINKED) == false) {
731 set_fwstate(pmlmepriv, _FW_UNDER_LINKING);
732
733 if (rtw_select_and_join_from_scanned_queue23a(
734 pmlmepriv) == _SUCCESS) {
735 mod_timer(&pmlmepriv->assoc_timer,
736 jiffies + msecs_to_jiffies(MAX_JOIN_TIMEOUT));
737 } else {
738 pdev_network = &adapter->registrypriv.dev_network;
739 pibss = adapter->registrypriv.dev_network.MacAddress;
740
741 _clr_fwstate_(pmlmepriv,
742 _FW_UNDER_SURVEY);
743
744 RT_TRACE(_module_rtl871x_mlme_c_,
745 _drv_err_,
746 ("switching to adhoc "
747 "master\n"));
748
749 memset(&pdev_network->Ssid, 0,
750 sizeof(struct cfg80211_ssid));
751 memcpy(&pdev_network->Ssid,
752 &pmlmepriv->assoc_ssid,
753 sizeof(struct cfg80211_ssid));
754
755 rtw_update_registrypriv_dev_network23a(
756 adapter);
757 rtw_generate_random_ibss23a(pibss);
758
759 pmlmepriv->fw_state =
760 WIFI_ADHOC_MASTER_STATE;
761
762 if (rtw_createbss_cmd23a(adapter) !=
763 _SUCCESS)
764 RT_TRACE(_module_rtl871x_mlme_c_,
765 _drv_err_,
766 ("Error =>rtw_createbss_cmd23a"
767 " status FAIL\n"));
768
769 pmlmepriv->to_join = false;
770 }
771 }
772 } else {
773 int ret;
774 set_fwstate(pmlmepriv, _FW_UNDER_LINKING);
775 pmlmepriv->to_join = false;
776 ret = rtw_select_and_join_from_scanned_queue23a(
777 pmlmepriv);
778 if (ret == _SUCCESS) {
779 unsigned long e;
780 e = msecs_to_jiffies(MAX_JOIN_TIMEOUT);
781 mod_timer(&pmlmepriv->assoc_timer, jiffies + e);
782 } else if (ret == 2) {/* there is no need to wait */
783 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
784 rtw_indicate_connect23a(adapter);
785 } else {
786 DBG_8723A("try_to_join, but select scanning "
787 "queue fail, to_roaming:%d\n",
788 adapter->mlmepriv.to_roaming);
789 if (adapter->mlmepriv.to_roaming) {
790 if (--pmlmepriv->to_roaming == 0 ||
791 rtw_sitesurvey_cmd23a(
792 adapter,
793 &pmlmepriv->assoc_ssid, 1,
794 NULL, 0) != _SUCCESS) {
795 rtw_set_roaming(adapter, 0);
796 rtw_free_assoc_resources23a(
797 adapter, 1);
798 rtw_indicate_disconnect23a(
799 adapter);
800 } else
801 pmlmepriv->to_join = true;
802 }
803 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
804 }
805 }
806 }
807
808 spin_unlock_bh(&pmlmepriv->lock);
809
810 rtw_os_xmit_schedule23a(adapter);
811
812 if (pmlmeext->sitesurvey_res.bss_cnt == 0)
813 rtw_hal_sreset_reset23a(adapter);
814
815 rtw_cfg80211_surveydone_event_callback(adapter);
816 }
817
818 void rtw_dummy_event_callback23a(struct rtw_adapter *adapter, const u8 *pbuf)
819 {
820 }
821
822 void rtw23a_fwdbg_event_callback(struct rtw_adapter *adapter, const u8 *pbuf)
823 {
824 }
825
826 static void free_scanqueue(struct mlme_priv *pmlmepriv)
827 {
828 struct wlan_network *pnetwork;
829 struct rtw_queue *scan_queue = &pmlmepriv->scanned_queue;
830 struct list_head *plist, *phead, *ptemp;
831
832 RT_TRACE(_module_rtl871x_mlme_c_, _drv_notice_, ("+free_scanqueue\n"));
833 spin_lock_bh(&scan_queue->lock);
834
835 phead = get_list_head(scan_queue);
836
837 list_for_each_safe(plist, ptemp, phead) {
838 list_del_init(plist);
839 pnetwork = container_of(plist, struct wlan_network, list);
840 kfree(pnetwork);
841 }
842
843 spin_unlock_bh(&scan_queue->lock);
844 }
845
846 /*
847 *rtw_free_assoc_resources23a: the caller has to lock pmlmepriv->lock
848 */
849 void rtw_free_assoc_resources23a(struct rtw_adapter *adapter,
850 int lock_scanned_queue)
851 {
852 struct wlan_network* pwlan;
853 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
854 struct sta_priv *pstapriv = &adapter->stapriv;
855 struct wlan_network *tgt_network = &pmlmepriv->cur_network;
856 struct sta_info* psta;
857
858 RT_TRACE(_module_rtl871x_mlme_c_, _drv_notice_,
859 ("+rtw_free_assoc_resources23a\n"));
860 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
861 ("tgt_network->network.MacAddress="MAC_FMT" ssid=%s\n",
862 MAC_ARG(tgt_network->network.MacAddress),
863 tgt_network->network.Ssid.ssid));
864
865 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE|WIFI_AP_STATE)) {
866 psta = rtw_get_stainfo23a(&adapter->stapriv,
867 tgt_network->network.MacAddress);
868
869 spin_lock_bh(&pstapriv->sta_hash_lock);
870 rtw_free_stainfo23a(adapter, psta);
871 spin_unlock_bh(&pstapriv->sta_hash_lock);
872 }
873
874 if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE |
875 WIFI_ADHOC_MASTER_STATE|WIFI_AP_STATE)) {
876 rtw_free_all_stainfo23a(adapter);
877
878 psta = rtw_get_bcmc_stainfo23a(adapter);
879 spin_lock_bh(&pstapriv->sta_hash_lock);
880 rtw_free_stainfo23a(adapter, psta);
881 spin_unlock_bh(&pstapriv->sta_hash_lock);
882
883 rtw_init_bcmc_stainfo23a(adapter);
884 }
885
886 if (lock_scanned_queue)
887 spin_lock_bh(&pmlmepriv->scanned_queue.lock);
888
889 pwlan = rtw_find_network23a(&pmlmepriv->scanned_queue,
890 tgt_network->network.MacAddress);
891 if (pwlan)
892 pwlan->fixed = false;
893 else
894 RT_TRACE(_module_rtl871x_mlme_c_,_drv_err_,
895 ("rtw_free_assoc_resources23a : pwlan== NULL\n"));
896
897 if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) &&
898 adapter->stapriv.asoc_sta_count == 1)
899 rtw_free_network_nolock(pmlmepriv, pwlan);
900
901 if (lock_scanned_queue)
902 spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
903
904 pmlmepriv->key_mask = 0;
905 }
906
907 /*
908 *rtw_indicate_connect23a: the caller has to lock pmlmepriv->lock
909 */
910 void rtw_indicate_connect23a(struct rtw_adapter *padapter)
911 {
912 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
913
914 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
915 ("+rtw_indicate_connect23a\n"));
916
917 pmlmepriv->to_join = false;
918
919 if (!check_fwstate(&padapter->mlmepriv, _FW_LINKED)) {
920 set_fwstate(pmlmepriv, _FW_LINKED);
921
922 rtw_led_control(padapter, LED_CTL_LINK);
923
924 rtw_cfg80211_indicate_connect(padapter);
925
926 netif_carrier_on(padapter->pnetdev);
927
928 if (padapter->pid[2] != 0)
929 kill_pid(find_vpid(padapter->pid[2]), SIGALRM, 1);
930 }
931
932 rtw_set_roaming(padapter, 0);
933
934 rtw_set_scan_deny(padapter, 3000);
935
936 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
937 ("-rtw_indicate_connect23a: fw_state=0x%08x\n",
938 get_fwstate(pmlmepriv)));
939 }
940
941 /*
942 *rtw_indicate_disconnect23a: the caller has to lock pmlmepriv->lock
943 */
944 void rtw_indicate_disconnect23a(struct rtw_adapter *padapter)
945 {
946 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
947
948 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
949 ("+rtw_indicate_disconnect23a\n"));
950
951 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING|WIFI_UNDER_WPS);
952
953 /* DBG_8723A("clear wps when %s\n", __func__); */
954
955 if (padapter->mlmepriv.to_roaming > 0)
956 _clr_fwstate_(pmlmepriv, _FW_LINKED);
957
958 if (check_fwstate(&padapter->mlmepriv, _FW_LINKED) ||
959 padapter->mlmepriv.to_roaming <= 0) {
960 rtw_os_indicate_disconnect23a(padapter);
961
962 /* set ips_deny_time to avoid enter IPS before LPS leave */
963 padapter->pwrctrlpriv.ips_deny_time =
964 jiffies + msecs_to_jiffies(3000);
965
966 _clr_fwstate_(pmlmepriv, _FW_LINKED);
967
968 rtw_led_control(padapter, LED_CTL_NO_LINK);
969
970 rtw_clear_scan_deny(padapter);
971
972 }
973
974 rtw_lps_ctrl_wk_cmd23a(padapter, LPS_CTRL_DISCONNECT, 1);
975 }
976
977 void rtw_scan_abort23a(struct rtw_adapter *adapter)
978 {
979 unsigned long start;
980 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
981 struct mlme_ext_priv *pmlmeext = &adapter->mlmeextpriv;
982
983 start = jiffies;
984 pmlmeext->scan_abort = true;
985 while (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY) &&
986 jiffies_to_msecs(jiffies - start) <= 200) {
987 if (adapter->bDriverStopped || adapter->bSurpriseRemoved)
988 break;
989
990 DBG_8723A(FUNC_NDEV_FMT "fw_state = _FW_UNDER_SURVEY!\n",
991 FUNC_NDEV_ARG(adapter->pnetdev));
992 msleep(20);
993 }
994
995 if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY)) {
996 if (!adapter->bDriverStopped && !adapter->bSurpriseRemoved)
997 DBG_8723A(FUNC_NDEV_FMT "waiting for scan_abort time "
998 "out!\n", FUNC_NDEV_ARG(adapter->pnetdev));
999 rtw_cfg80211_indicate_scan_done(wdev_to_priv(adapter->rtw_wdev),
1000 true);
1001 }
1002 pmlmeext->scan_abort = false;
1003 }
1004
1005 static struct sta_info *
1006 rtw_joinbss_update_stainfo(struct rtw_adapter *padapter,
1007 struct wlan_network *pnetwork)
1008 {
1009 int i;
1010 struct sta_info *bmc_sta, *psta;
1011 struct recv_reorder_ctrl *preorder_ctrl;
1012 struct sta_priv *pstapriv = &padapter->stapriv;
1013
1014 psta = rtw_get_stainfo23a(pstapriv, pnetwork->network.MacAddress);
1015 if (!psta)
1016 psta = rtw_alloc_stainfo23a(pstapriv,
1017 pnetwork->network.MacAddress,
1018 GFP_ATOMIC);
1019
1020 if (psta) { /* update ptarget_sta */
1021 DBG_8723A("%s\n", __func__);
1022
1023 psta->aid = pnetwork->join_res;
1024 psta->mac_id = 0;
1025
1026 /* sta mode */
1027 rtw_hal_set_odm_var23a(padapter, HAL_ODM_STA_INFO, psta, true);
1028
1029 /* security related */
1030 if (padapter->securitypriv.dot11AuthAlgrthm ==
1031 dot11AuthAlgrthm_8021X) {
1032 padapter->securitypriv.binstallGrpkey = false;
1033 padapter->securitypriv.busetkipkey = false;
1034 padapter->securitypriv.bgrpkey_handshake = false;
1035
1036 psta->ieee8021x_blocked = true;
1037 psta->dot118021XPrivacy =
1038 padapter->securitypriv.dot11PrivacyAlgrthm;
1039
1040 memset(&psta->dot118021x_UncstKey, 0,
1041 sizeof (union Keytype));
1042
1043 memset(&psta->dot11tkiprxmickey, 0,
1044 sizeof (union Keytype));
1045 memset(&psta->dot11tkiptxmickey, 0,
1046 sizeof (union Keytype));
1047
1048 memset(&psta->dot11txpn, 0, sizeof (union pn48));
1049 memset(&psta->dot11rxpn, 0, sizeof (union pn48));
1050 }
1051
1052 /* Commented by Albert 2012/07/21 */
1053 /* When doing the WPS, the wps_ie_len won't equal to 0 */
1054 /* And the Wi-Fi driver shouldn't allow the data packet
1055 to be tramsmitted. */
1056 if (padapter->securitypriv.wps_ie_len != 0) {
1057 psta->ieee8021x_blocked = true;
1058 padapter->securitypriv.wps_ie_len = 0;
1059 }
1060
1061 /* for A-MPDU Rx reordering buffer control for bmc_sta &
1062 * sta_info */
1063 /* if A-MPDU Rx is enabled, reseting
1064 rx_ordering_ctrl wstart_b(indicate_seq) to default
1065 value = 0xffff */
1066 /* todo: check if AP can send A-MPDU packets */
1067 for (i = 0; i < 16 ; i++) {
1068 /* preorder_ctrl = &precvpriv->recvreorder_ctrl[i]; */
1069 preorder_ctrl = &psta->recvreorder_ctrl[i];
1070 preorder_ctrl->enable = false;
1071 preorder_ctrl->indicate_seq = 0xffff;
1072 preorder_ctrl->wend_b = 0xffff;
1073 /* max_ampdu_sz; ex. 32(kbytes) -> wsize_b = 32 */
1074 preorder_ctrl->wsize_b = 64;
1075 }
1076
1077 bmc_sta = rtw_get_bcmc_stainfo23a(padapter);
1078 if (bmc_sta) {
1079 for (i = 0; i < 16 ; i++) {
1080 preorder_ctrl = &bmc_sta->recvreorder_ctrl[i];
1081 preorder_ctrl->enable = false;
1082 preorder_ctrl->indicate_seq = 0xffff;
1083 preorder_ctrl->wend_b = 0xffff;
1084 /* max_ampdu_sz; ex. 32(kbytes) ->
1085 wsize_b = 32 */
1086 preorder_ctrl->wsize_b = 64;
1087 }
1088 }
1089
1090 /* misc. */
1091 update_sta_info23a(padapter, psta);
1092
1093 }
1094
1095 return psta;
1096 }
1097
1098 /* pnetwork : returns from rtw23a_joinbss_event_cb */
1099 /* ptarget_wlan: found from scanned_queue */
1100 static void
1101 rtw_joinbss_update_network23a(struct rtw_adapter *padapter,
1102 struct wlan_network *ptarget_wlan,
1103 struct wlan_network *pnetwork)
1104 {
1105 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1106 struct wlan_network *cur_network = &pmlmepriv->cur_network;
1107
1108 DBG_8723A("%s\n", __func__);
1109
1110 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
1111 ("\nfw_state:%x, BSSID:"MAC_FMT"\n", get_fwstate(pmlmepriv),
1112 MAC_ARG(pnetwork->network.MacAddress)));
1113
1114 /* why not use ptarget_wlan?? */
1115 memcpy(&cur_network->network, &pnetwork->network,
1116 pnetwork->network.Length);
1117 /* some IEs in pnetwork is wrong, so we should use ptarget_wlan IEs */
1118 cur_network->network.IELength = ptarget_wlan->network.IELength;
1119 memcpy(&cur_network->network.IEs[0], &ptarget_wlan->network.IEs[0],
1120 MAX_IE_SZ);
1121
1122 cur_network->aid = pnetwork->join_res;
1123
1124 rtw_set_signal_stat_timer(&padapter->recvpriv);
1125 padapter->recvpriv.signal_strength =
1126 ptarget_wlan->network.PhyInfo.SignalStrength;
1127 padapter->recvpriv.signal_qual =
1128 ptarget_wlan->network.PhyInfo.SignalQuality;
1129 /*
1130 * the ptarget_wlan->network.Rssi is raw data, we use
1131 * ptarget_wlan->network.PhyInfo.SignalStrength instead (has scaled)
1132 */
1133 padapter->recvpriv.rssi = translate_percentage_to_dbm(
1134 ptarget_wlan->network.PhyInfo.SignalStrength);
1135 DBG_8723A("%s signal_strength:%3u, rssi:%3d, signal_qual:%3u\n",
1136 __func__, padapter->recvpriv.signal_strength,
1137 padapter->recvpriv.rssi, padapter->recvpriv.signal_qual);
1138 rtw_set_signal_stat_timer(&padapter->recvpriv);
1139
1140 /* update fw_state will clr _FW_UNDER_LINKING here indirectly */
1141 switch (pnetwork->network.InfrastructureMode) {
1142 case Ndis802_11Infrastructure:
1143 if (pmlmepriv->fw_state&WIFI_UNDER_WPS)
1144 pmlmepriv->fw_state = WIFI_STATION_STATE|WIFI_UNDER_WPS;
1145 else
1146 pmlmepriv->fw_state = WIFI_STATION_STATE;
1147 break;
1148 case Ndis802_11IBSS:
1149 pmlmepriv->fw_state = WIFI_ADHOC_STATE;
1150 break;
1151 default:
1152 pmlmepriv->fw_state = WIFI_NULL_STATE;
1153 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
1154 ("Invalid network_mode\n"));
1155 break;
1156 }
1157
1158 rtw_update_protection23a(padapter, cur_network->network.IEs +
1159 sizeof (struct ndis_802_11_fixed_ies),
1160 cur_network->network.IELength);
1161
1162 rtw_update_ht_cap23a(padapter, cur_network->network.IEs,
1163 cur_network->network.IELength);
1164 }
1165
1166 /*
1167 * Notes:
1168 * the fucntion could be > passive_level (the same context as Rx tasklet)
1169 * pnetwork : returns from rtw23a_joinbss_event_cb
1170 * ptarget_wlan: found from scanned_queue
1171 * if join_res > 0, for (fw_state==WIFI_STATION_STATE),
1172 * we check if "ptarget_sta" & "ptarget_wlan" exist.
1173 * if join_res > 0, for (fw_state==WIFI_ADHOC_STATE),
1174 * we only check if "ptarget_wlan" exist.
1175 * if join_res > 0, update "cur_network->network" from "pnetwork->network"
1176 * if (ptarget_wlan !=NULL).
1177 */
1178
1179 void rtw_joinbss_event_prehandle23a(struct rtw_adapter *adapter, u8 *pbuf)
1180 {
1181 struct sta_info *ptarget_sta, *pcur_sta;
1182 struct sta_priv *pstapriv = &adapter->stapriv;
1183 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1184 struct wlan_network *pnetwork = (struct wlan_network *)pbuf;
1185 struct wlan_network *cur_network = &pmlmepriv->cur_network;
1186 struct wlan_network *pcur_wlan, *ptarget_wlan = NULL;
1187 bool the_same_macaddr;
1188
1189 RT_TRACE(_module_rtl871x_mlme_c_,_drv_info_,
1190 ("joinbss event call back received with res=%d\n",
1191 pnetwork->join_res));
1192
1193 rtw_get_encrypt_decrypt_from_registrypriv23a(adapter);
1194
1195 if (pmlmepriv->assoc_ssid.ssid_len == 0) {
1196 RT_TRACE(_module_rtl871x_mlme_c_,_drv_err_,
1197 ("@@@@@ joinbss event call back for Any SSid\n"));
1198 } else {
1199 RT_TRACE(_module_rtl871x_mlme_c_,_drv_err_,
1200 ("@@@@@ rtw23a_joinbss_event_cb for SSid:%s\n",
1201 pmlmepriv->assoc_ssid.ssid));
1202 }
1203
1204 if (ether_addr_equal(pnetwork->network.MacAddress,
1205 cur_network->network.MacAddress))
1206 the_same_macaddr = true;
1207 else
1208 the_same_macaddr = false;
1209
1210 pnetwork->network.Length = get_wlan_bssid_ex_sz(&pnetwork->network);
1211 if (pnetwork->network.Length > sizeof(struct wlan_bssid_ex)) {
1212 RT_TRACE(_module_rtl871x_mlme_c_,_drv_err_,
1213 ("\n\n ***joinbss_evt_callback return a wrong bss "
1214 "***\n\n"));
1215 return;
1216 }
1217
1218 spin_lock_bh(&pmlmepriv->lock);
1219
1220 RT_TRACE(_module_rtl871x_mlme_c_,_drv_info_,
1221 ("\n rtw23a_joinbss_event_cb !! _enter_critical\n"));
1222
1223 if (pnetwork->join_res > 0) {
1224 spin_lock_bh(&pmlmepriv->scanned_queue.lock);
1225 if (check_fwstate(pmlmepriv,_FW_UNDER_LINKING)) {
1226 /* s1. find ptarget_wlan */
1227 if (check_fwstate(pmlmepriv, _FW_LINKED)) {
1228 if (the_same_macaddr == true) {
1229 ptarget_wlan = rtw_find_network23a(&pmlmepriv->scanned_queue, cur_network->network.MacAddress);
1230 } else {
1231 pcur_wlan = rtw_find_network23a(&pmlmepriv->scanned_queue, cur_network->network.MacAddress);
1232 if (pcur_wlan)
1233 pcur_wlan->fixed = false;
1234
1235 pcur_sta = rtw_get_stainfo23a(pstapriv, cur_network->network.MacAddress);
1236 if (pcur_sta) {
1237 spin_lock_bh(&pstapriv->sta_hash_lock);
1238 rtw_free_stainfo23a(adapter,
1239 pcur_sta);
1240 spin_unlock_bh(&pstapriv->sta_hash_lock);
1241 }
1242
1243 ptarget_wlan = rtw_find_network23a(&pmlmepriv->scanned_queue, pnetwork->network.MacAddress);
1244 if (check_fwstate(pmlmepriv,
1245 WIFI_STATION_STATE)) {
1246 if (ptarget_wlan)
1247 ptarget_wlan->fixed =
1248 true;
1249 }
1250 }
1251
1252 } else {
1253 ptarget_wlan = rtw_find_network23a(
1254 &pmlmepriv->scanned_queue,
1255 pnetwork->network.MacAddress);
1256 if (check_fwstate(pmlmepriv,
1257 WIFI_STATION_STATE)) {
1258 if (ptarget_wlan)
1259 ptarget_wlan->fixed = true;
1260 }
1261 }
1262
1263 /* s2. update cur_network */
1264 if (ptarget_wlan)
1265 rtw_joinbss_update_network23a(adapter,
1266 ptarget_wlan,
1267 pnetwork);
1268 else {
1269 RT_TRACE(_module_rtl871x_mlme_c_,_drv_err_,
1270 ("Can't find ptarget_wlan when "
1271 "joinbss_event callback\n"));
1272 spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
1273 goto ignore_joinbss_callback;
1274 }
1275
1276 /* s3. find ptarget_sta & update ptarget_sta after
1277 update cur_network only for station mode */
1278 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
1279 ptarget_sta = rtw_joinbss_update_stainfo(
1280 adapter, pnetwork);
1281 if (!ptarget_sta) {
1282 RT_TRACE(_module_rtl871x_mlme_c_,
1283 _drv_err_,
1284 ("Can't update stainfo when "
1285 "joinbss_event callback\n"));
1286 spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
1287 goto ignore_joinbss_callback;
1288 }
1289 }
1290
1291 /* s4. indicate connect */
1292 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE))
1293 rtw_indicate_connect23a(adapter);
1294 else {
1295 /* adhoc mode will rtw_indicate_connect23a
1296 when rtw_stassoc_event_callback23a */
1297 RT_TRACE(_module_rtl871x_mlme_c_,_drv_info_,
1298 ("adhoc mode, fw_state:%x",
1299 get_fwstate(pmlmepriv)));
1300 }
1301
1302 /* s5. Cancle assoc_timer */
1303 del_timer_sync(&pmlmepriv->assoc_timer);
1304
1305 RT_TRACE(_module_rtl871x_mlme_c_,_drv_info_,
1306 ("Cancle assoc_timer\n"));
1307 } else {
1308 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
1309 ("rtw23a_joinbss_event_cb err: fw_state:%x",
1310 get_fwstate(pmlmepriv)));
1311 spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
1312 goto ignore_joinbss_callback;
1313 }
1314 spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
1315 } else if (pnetwork->join_res == -4) {
1316 rtw_reset_securitypriv23a(adapter);
1317 mod_timer(&pmlmepriv->assoc_timer,
1318 jiffies + msecs_to_jiffies(1));
1319
1320 /* rtw_free_assoc_resources23a(adapter, 1); */
1321
1322 if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) {
1323 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
1324 ("fail! clear _FW_UNDER_LINKING ^^^fw_state="
1325 "%x\n", get_fwstate(pmlmepriv)));
1326 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
1327 }
1328 } else {
1329 /* if join_res < 0 (join fails), then try again */
1330 mod_timer(&pmlmepriv->assoc_timer,
1331 jiffies + msecs_to_jiffies(1));
1332 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
1333 }
1334
1335 ignore_joinbss_callback:
1336
1337 spin_unlock_bh(&pmlmepriv->lock);
1338 }
1339
1340 void rtw23a_joinbss_event_cb(struct rtw_adapter *adapter, const u8 *pbuf)
1341 {
1342 struct wlan_network *pnetwork = (struct wlan_network *)pbuf;
1343
1344 mlmeext_joinbss_event_callback23a(adapter, pnetwork->join_res);
1345
1346 rtw_os_xmit_schedule23a(adapter);
1347 }
1348
1349 void rtw_stassoc_event_callback23a(struct rtw_adapter *adapter, const u8 *pbuf)
1350 {
1351 struct sta_info *psta;
1352 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1353 struct stassoc_event *pstassoc = (struct stassoc_event*)pbuf;
1354 struct wlan_network *cur_network = &pmlmepriv->cur_network;
1355 struct wlan_network *ptarget_wlan;
1356
1357 if (rtw_access_ctrl23a(adapter, pstassoc->macaddr) == false)
1358 return;
1359
1360 #ifdef CONFIG_8723AU_AP_MODE
1361 if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
1362 psta = rtw_get_stainfo23a(&adapter->stapriv, pstassoc->macaddr);
1363 if (psta) {
1364 /* bss_cap_update_on_sta_join23a(adapter, psta); */
1365 /* sta_info_update23a(adapter, psta); */
1366 ap_sta_info_defer_update23a(adapter, psta);
1367 }
1368 return;
1369 }
1370 #endif
1371 /* for AD-HOC mode */
1372 psta = rtw_get_stainfo23a(&adapter->stapriv, pstassoc->macaddr);
1373 if (psta != NULL) {
1374 /* the sta have been in sta_info_queue => do nothing */
1375 RT_TRACE(_module_rtl871x_mlme_c_,_drv_err_,
1376 ("Error: rtw_stassoc_event_callback23a: sta has "
1377 "been in sta_hash_queue\n"));
1378 /* between drv has received this event before and
1379 fw have not yet to set key to CAM_ENTRY) */
1380 return;
1381 }
1382
1383 psta = rtw_alloc_stainfo23a(&adapter->stapriv, pstassoc->macaddr,
1384 GFP_KERNEL);
1385 if (!psta) {
1386 RT_TRACE(_module_rtl871x_mlme_c_,_drv_err_,
1387 ("Can't alloc sta_info when "
1388 "rtw_stassoc_event_callback23a\n"));
1389 return;
1390 }
1391
1392 /* to do : init sta_info variable */
1393 psta->qos_option = 0;
1394 psta->mac_id = (uint)pstassoc->cam_id;
1395 /* psta->aid = (uint)pstassoc->cam_id; */
1396 DBG_8723A("%s\n",__func__);
1397 /* for ad-hoc mode */
1398 rtw_hal_set_odm_var23a(adapter, HAL_ODM_STA_INFO, psta, true);
1399
1400 if (adapter->securitypriv.dot11AuthAlgrthm == dot11AuthAlgrthm_8021X)
1401 psta->dot118021XPrivacy =
1402 adapter->securitypriv.dot11PrivacyAlgrthm;
1403
1404 psta->ieee8021x_blocked = false;
1405
1406 spin_lock_bh(&pmlmepriv->lock);
1407
1408 if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) ||
1409 check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) {
1410 if (adapter->stapriv.asoc_sta_count == 2) {
1411 spin_lock_bh(&pmlmepriv->scanned_queue.lock);
1412 ptarget_wlan =
1413 rtw_find_network23a(&pmlmepriv->scanned_queue,
1414 cur_network->network.MacAddress);
1415 if (ptarget_wlan)
1416 ptarget_wlan->fixed = true;
1417 spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
1418 /* a sta + bc/mc_stainfo (not Ibss_stainfo) */
1419 rtw_indicate_connect23a(adapter);
1420 }
1421 }
1422
1423 spin_unlock_bh(&pmlmepriv->lock);
1424
1425 mlmeext_sta_add_event_callback23a(adapter, psta);
1426 }
1427
1428 void rtw_stadel_event_callback23a(struct rtw_adapter *adapter, const u8 *pbuf)
1429 {
1430 int mac_id;
1431 struct sta_info *psta;
1432 struct wlan_network* pwlan;
1433 struct wlan_bssid_ex *pdev_network;
1434 u8 *pibss;
1435 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1436 struct stadel_event *pstadel = (struct stadel_event *)pbuf;
1437 struct sta_priv *pstapriv = &adapter->stapriv;
1438 struct wlan_network *tgt_network = &pmlmepriv->cur_network;
1439
1440 psta = rtw_get_stainfo23a(&adapter->stapriv, pstadel->macaddr);
1441 if (psta)
1442 mac_id = psta->mac_id;
1443 else
1444 mac_id = pstadel->mac_id;
1445
1446 DBG_8723A("%s(mac_id=%d)=" MAC_FMT "\n", __func__, mac_id,
1447 MAC_ARG(pstadel->macaddr));
1448
1449 if (check_fwstate(pmlmepriv, WIFI_AP_STATE))
1450 return;
1451
1452 mlmeext_sta_del_event_callback23a(adapter);
1453
1454 spin_lock_bh(&pmlmepriv->lock);
1455
1456 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
1457 if (adapter->mlmepriv.to_roaming > 0) {
1458 /* this stadel_event is caused by roaming,
1459 decrease to_roaming */
1460 pmlmepriv->to_roaming--;
1461 } else if (adapter->mlmepriv.to_roaming == 0)
1462 rtw_set_roaming(adapter, adapter->registrypriv.max_roaming_times);
1463 if (*((u16 *)pstadel->rsvd) != WLAN_REASON_EXPIRATION_CHK)
1464 rtw_set_roaming(adapter, 0); /* don't roam */
1465
1466 rtw_free_uc_swdec_pending_queue23a(adapter);
1467
1468 rtw_free_assoc_resources23a(adapter, 1);
1469 rtw_indicate_disconnect23a(adapter);
1470 spin_lock_bh(&pmlmepriv->scanned_queue.lock);
1471 /* remove the network entry in scanned_queue */
1472 pwlan = rtw_find_network23a(&pmlmepriv->scanned_queue,
1473 tgt_network->network.MacAddress);
1474 if (pwlan) {
1475 pwlan->fixed = false;
1476 rtw_free_network_nolock(pmlmepriv, pwlan);
1477 }
1478 spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
1479
1480 _rtw_roaming(adapter, tgt_network);
1481 }
1482
1483 if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) ||
1484 check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) {
1485
1486 spin_lock_bh(&pstapriv->sta_hash_lock);
1487 rtw_free_stainfo23a(adapter, psta);
1488 spin_unlock_bh(&pstapriv->sta_hash_lock);
1489
1490 /* a sta + bc/mc_stainfo (not Ibss_stainfo) */
1491 if (adapter->stapriv.asoc_sta_count == 1) {
1492 spin_lock_bh(&pmlmepriv->scanned_queue.lock);
1493 /* free old ibss network */
1494 /* pwlan = rtw_find_network23a(
1495 &pmlmepriv->scanned_queue, pstadel->macaddr); */
1496 pwlan = rtw_find_network23a(&pmlmepriv->scanned_queue,
1497 tgt_network->network.MacAddress);
1498 if (pwlan) {
1499 pwlan->fixed = false;
1500 rtw_free_network_nolock(pmlmepriv, pwlan);
1501 }
1502 spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
1503 /* re-create ibss */
1504 pdev_network = &adapter->registrypriv.dev_network;
1505 pibss = adapter->registrypriv.dev_network.MacAddress;
1506
1507 memcpy(pdev_network, &tgt_network->network,
1508 get_wlan_bssid_ex_sz(&tgt_network->network));
1509
1510 memset(&pdev_network->Ssid, 0,
1511 sizeof(struct cfg80211_ssid));
1512 memcpy(&pdev_network->Ssid, &pmlmepriv->assoc_ssid,
1513 sizeof(struct cfg80211_ssid));
1514
1515 rtw_update_registrypriv_dev_network23a(adapter);
1516
1517 rtw_generate_random_ibss23a(pibss);
1518
1519 if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) {
1520 set_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE);
1521 _clr_fwstate_(pmlmepriv, WIFI_ADHOC_STATE);
1522 }
1523
1524 if (rtw_createbss_cmd23a(adapter) != _SUCCESS) {
1525 RT_TRACE(_module_rtl871x_ioctl_set_c_,
1526 _drv_err_,
1527 ("***Error =>stadel_event_callback: "
1528 "rtw_createbss_cmd23a status "
1529 "FAIL***\n"));
1530 }
1531 }
1532 }
1533
1534 spin_unlock_bh(&pmlmepriv->lock);
1535 }
1536
1537 void rtw_cpwm_event_callback23a(struct rtw_adapter *padapter, const u8 *pbuf)
1538 {
1539 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
1540 ("+rtw_cpwm_event_callback23a !!!\n"));
1541 }
1542
1543 /*
1544 * rtw23a_join_to_handler - Timeout/faliure handler for CMD JoinBss
1545 * @adapter: pointer to _adapter structure
1546 */
1547 void rtw23a_join_to_handler (unsigned long data)
1548 {
1549 struct rtw_adapter *adapter = (struct rtw_adapter *)data;
1550 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1551 int do_join_r;
1552
1553 DBG_8723A("%s, fw_state=%x\n", __func__, get_fwstate(pmlmepriv));
1554
1555 if (adapter->bDriverStopped ||adapter->bSurpriseRemoved)
1556 return;
1557
1558 spin_lock_bh(&pmlmepriv->lock);
1559
1560 if (adapter->mlmepriv.to_roaming > 0) {
1561 /* join timeout caused by roaming */
1562 while (1) {
1563 pmlmepriv->to_roaming--;
1564 if (adapter->mlmepriv.to_roaming != 0) {
1565 /* try another */
1566 DBG_8723A("%s try another roaming\n", __func__);
1567 do_join_r = rtw_do_join23a(adapter);
1568 if (do_join_r != _SUCCESS) {
1569 DBG_8723A("%s roaming do_join return "
1570 "%d\n", __func__ , do_join_r);
1571 continue;
1572 }
1573 break;
1574 } else {
1575 DBG_8723A("%s We've try roaming but fail\n",
1576 __func__);
1577 rtw_indicate_disconnect23a(adapter);
1578 break;
1579 }
1580 }
1581 } else {
1582 rtw_indicate_disconnect23a(adapter);
1583 free_scanqueue(pmlmepriv);/* */
1584
1585 /* indicate disconnect for the case that join_timeout and
1586 check_fwstate != FW_LINKED */
1587 rtw_cfg80211_indicate_disconnect(adapter);
1588 }
1589
1590 spin_unlock_bh(&pmlmepriv->lock);
1591
1592 }
1593
1594 /*
1595 * rtw_scan_timeout_handler23a - Timeout/Faliure handler for CMD SiteSurvey
1596 * @data: pointer to _adapter structure
1597 */
1598 void rtw_scan_timeout_handler23a(unsigned long data)
1599 {
1600 struct rtw_adapter *adapter = (struct rtw_adapter *)data;
1601 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1602
1603 DBG_8723A("%s(%s): fw_state =%x\n", __func__, adapter->pnetdev->name,
1604 get_fwstate(pmlmepriv));
1605
1606 spin_lock_bh(&pmlmepriv->lock);
1607
1608 _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY);
1609
1610 spin_unlock_bh(&pmlmepriv->lock);
1611
1612 rtw_cfg80211_indicate_scan_done(wdev_to_priv(adapter->rtw_wdev), true);
1613 }
1614
1615 static void rtw_auto_scan_handler(struct rtw_adapter *padapter)
1616 {
1617 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1618
1619 /* auto site survey per 60sec */
1620 if (pmlmepriv->scan_interval > 0) {
1621 pmlmepriv->scan_interval--;
1622 if (pmlmepriv->scan_interval == 0) {
1623 DBG_8723A("%s\n", __func__);
1624 rtw_set_802_11_bssid23a_list_scan(padapter, NULL, 0);
1625 /* 30*2 sec = 60sec */
1626 pmlmepriv->scan_interval = SCAN_INTERVAL;
1627 }
1628 }
1629 }
1630
1631 void rtw_dynamic_check_timer_handler(unsigned long data)
1632 {
1633 struct rtw_adapter *adapter = (struct rtw_adapter *)data;
1634 struct registry_priv *pregistrypriv = &adapter->registrypriv;
1635
1636 if (adapter->hw_init_completed == false)
1637 goto out;
1638
1639 if (adapter->bDriverStopped == true ||
1640 adapter->bSurpriseRemoved == true)
1641 goto out;
1642
1643 if (adapter->net_closed == true)
1644 goto out;
1645
1646 rtw_dynamic_chk_wk_cmd23a(adapter);
1647
1648 if (pregistrypriv->wifi_spec == 1) {
1649 /* auto site survey */
1650 rtw_auto_scan_handler(adapter);
1651 }
1652 out:
1653 mod_timer(&adapter->mlmepriv.dynamic_chk_timer,
1654 jiffies + msecs_to_jiffies(2000));
1655 }
1656
1657 inline bool rtw_is_scan_deny(struct rtw_adapter *adapter)
1658 {
1659 struct mlme_priv *mlmepriv = &adapter->mlmepriv;
1660 return (atomic_read(&mlmepriv->set_scan_deny) != 0) ? true : false;
1661 }
1662
1663 void rtw_clear_scan_deny(struct rtw_adapter *adapter)
1664 {
1665 struct mlme_priv *mlmepriv = &adapter->mlmepriv;
1666 atomic_set(&mlmepriv->set_scan_deny, 0);
1667 }
1668
1669 void rtw_set_scan_deny_timer_hdl(unsigned long data)
1670 {
1671 struct rtw_adapter *adapter = (struct rtw_adapter *)data;
1672 rtw_clear_scan_deny(adapter);
1673 }
1674
1675 void rtw_set_scan_deny(struct rtw_adapter *adapter, u32 ms)
1676 {
1677 struct mlme_priv *mlmepriv = &adapter->mlmepriv;
1678
1679 atomic_set(&mlmepriv->set_scan_deny, 1);
1680 mod_timer(&mlmepriv->set_scan_deny_timer,
1681 jiffies + msecs_to_jiffies(ms));
1682 }
1683
1684 #if defined(IEEE80211_SCAN_RESULT_EXPIRE)
1685 #define RTW_SCAN_RESULT_EXPIRE IEEE80211_SCAN_RESULT_EXPIRE/HZ*1000 -1000 /* 3000 -1000 */
1686 #else
1687 #define RTW_SCAN_RESULT_EXPIRE 2000
1688 #endif
1689
1690 /*
1691 * Select a new join candidate from the original @param candidate and
1692 * @param competitor
1693 * @return true: candidate is updated
1694 * @return false: candidate is not updated
1695 */
1696 static int rtw_check_join_candidate(struct mlme_priv *pmlmepriv,
1697 struct wlan_network **candidate,
1698 struct wlan_network *competitor)
1699 {
1700 int updated = false;
1701 struct rtw_adapter *adapter;
1702
1703 adapter = container_of(pmlmepriv, struct rtw_adapter, mlmepriv);
1704
1705 /* check bssid, if needed */
1706 if (pmlmepriv->assoc_by_bssid == true) {
1707 if (!ether_addr_equal(competitor->network.MacAddress,
1708 pmlmepriv->assoc_bssid))
1709 goto exit;
1710 }
1711
1712 /* check ssid, if needed */
1713 if (pmlmepriv->assoc_ssid.ssid_len) {
1714 if (competitor->network.Ssid.ssid_len !=
1715 pmlmepriv->assoc_ssid.ssid_len ||
1716 memcmp(competitor->network.Ssid.ssid,
1717 pmlmepriv->assoc_ssid.ssid,
1718 pmlmepriv->assoc_ssid.ssid_len))
1719 goto exit;
1720 }
1721
1722 if (rtw_is_desired_network(adapter, competitor) == false)
1723 goto exit;
1724
1725 if (adapter->mlmepriv.to_roaming > 0) {
1726 unsigned int passed;
1727
1728 passed = jiffies_to_msecs(jiffies - competitor->last_scanned);
1729 if (passed >= RTW_SCAN_RESULT_EXPIRE ||
1730 is_same_ess(&competitor->network,
1731 &pmlmepriv->cur_network.network) == false)
1732 goto exit;
1733 }
1734
1735 if (!*candidate ||
1736 (*candidate)->network.Rssi<competitor->network.Rssi) {
1737 *candidate = competitor;
1738 updated = true;
1739 }
1740
1741 if (updated) {
1742 DBG_8723A("[by_bssid:%u][assoc_ssid:%s][to_roaming:%u] "
1743 "new candidate: %s("MAC_FMT") rssi:%d\n",
1744 pmlmepriv->assoc_by_bssid,
1745 pmlmepriv->assoc_ssid.ssid,
1746 adapter->mlmepriv.to_roaming,
1747 (*candidate)->network.Ssid.ssid,
1748 MAC_ARG((*candidate)->network.MacAddress),
1749 (int)(*candidate)->network.Rssi);
1750 }
1751
1752 exit:
1753 return updated;
1754 }
1755
1756 /*
1757 Calling context:
1758 The caller of the sub-routine will be in critical section...
1759
1760 The caller must hold the following spinlock
1761
1762 pmlmepriv->lock
1763
1764 */
1765
1766 int rtw_select_and_join_from_scanned_queue23a(struct mlme_priv *pmlmepriv)
1767 {
1768 int ret;
1769 struct list_head *phead, *plist, *ptmp;
1770 struct rtw_adapter *adapter;
1771 struct rtw_queue *queue = &pmlmepriv->scanned_queue;
1772 struct wlan_network *pnetwork;
1773 struct wlan_network *candidate = NULL;
1774
1775 spin_lock_bh(&pmlmepriv->scanned_queue.lock);
1776 phead = get_list_head(queue);
1777 adapter = pmlmepriv->nic_hdl;
1778
1779 list_for_each_safe(plist, ptmp, phead) {
1780 pnetwork = container_of(plist, struct wlan_network, list);
1781 if (!pnetwork) {
1782 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
1783 ("%s return _FAIL:(pnetwork == NULL)\n",
1784 __func__));
1785 ret = _FAIL;
1786 goto exit;
1787 }
1788
1789 rtw_check_join_candidate(pmlmepriv, &candidate, pnetwork);
1790 }
1791
1792 if (!candidate) {
1793 DBG_8723A("%s: return _FAIL(candidate == NULL)\n", __func__);
1794 ret = _FAIL;
1795 goto exit;
1796 } else {
1797 DBG_8723A("%s: candidate: %s("MAC_FMT", ch:%u)\n", __func__,
1798 candidate->network.Ssid.ssid,
1799 MAC_ARG(candidate->network.MacAddress),
1800 candidate->network.Configuration.DSConfig);
1801 }
1802
1803 /* check for situation of _FW_LINKED */
1804 if (check_fwstate(pmlmepriv, _FW_LINKED)) {
1805 DBG_8723A("%s: _FW_LINKED while ask_for_joinbss!!!\n",
1806 __func__);
1807
1808 rtw_disassoc_cmd23a(adapter, 0, true);
1809 rtw_indicate_disconnect23a(adapter);
1810 rtw_free_assoc_resources23a(adapter, 0);
1811 }
1812 set_fwstate(pmlmepriv, _FW_UNDER_LINKING);
1813 ret = rtw_joinbss_cmd23a(adapter, candidate);
1814
1815 exit:
1816 spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
1817
1818 return ret;
1819 }
1820
1821 int rtw_set_auth23a(struct rtw_adapter * adapter,
1822 struct security_priv *psecuritypriv)
1823 {
1824 struct cmd_obj* pcmd;
1825 struct setauth_parm *psetauthparm;
1826 struct cmd_priv *pcmdpriv = &adapter->cmdpriv;
1827 int res = _SUCCESS;
1828
1829 pcmd = (struct cmd_obj *)kzalloc(sizeof(struct cmd_obj), GFP_KERNEL);
1830 if (!pcmd) {
1831 res = _FAIL; /* try again */
1832 goto exit;
1833 }
1834
1835 psetauthparm = (struct setauth_parm*)
1836 kzalloc(sizeof(struct setauth_parm), GFP_KERNEL);
1837 if (!psetauthparm) {
1838 kfree(pcmd);
1839 res = _FAIL;
1840 goto exit;
1841 }
1842
1843 psetauthparm->mode = (unsigned char)psecuritypriv->dot11AuthAlgrthm;
1844
1845 pcmd->cmdcode = _SetAuth_CMD_;
1846 pcmd->parmbuf = (unsigned char *)psetauthparm;
1847 pcmd->cmdsz = (sizeof(struct setauth_parm));
1848 pcmd->rsp = NULL;
1849 pcmd->rspsz = 0;
1850
1851 RT_TRACE(_module_rtl871x_mlme_c_,_drv_err_,
1852 ("after enqueue set_auth_cmd, auth_mode=%x\n",
1853 psecuritypriv->dot11AuthAlgrthm));
1854
1855 res = rtw_enqueue_cmd23a(pcmdpriv, pcmd);
1856
1857 exit:
1858
1859 return res;
1860 }
1861
1862 int rtw_set_key23a(struct rtw_adapter *adapter,
1863 struct security_priv *psecuritypriv, int keyid, u8 set_tx)
1864 {
1865 u8 keylen;
1866 struct cmd_obj *pcmd;
1867 struct setkey_parm *psetkeyparm;
1868 struct cmd_priv *pcmdpriv = &adapter->cmdpriv;
1869 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1870 int res = _SUCCESS;
1871
1872 pcmd = (struct cmd_obj *)kzalloc(sizeof(struct cmd_obj), GFP_KERNEL);
1873 if (!pcmd) {
1874 res = _FAIL; /* try again */
1875 goto exit;
1876 }
1877 psetkeyparm = kzalloc(sizeof(struct setkey_parm), GFP_KERNEL);
1878 if (!psetkeyparm) {
1879 kfree(pcmd);
1880 res = _FAIL;
1881 goto exit;
1882 }
1883
1884 if (psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) {
1885 psetkeyparm->algorithm = (unsigned char)
1886 psecuritypriv->dot118021XGrpPrivacy;
1887 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
1888 ("\n rtw_set_key23a: psetkeyparm->algorithm = "
1889 "(unsigned char)psecuritypriv->dot118021XGrpPrivacy "
1890 "=%d\n", psetkeyparm->algorithm));
1891 } else {
1892 psetkeyparm->algorithm = (u8)psecuritypriv->dot11PrivacyAlgrthm;
1893 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
1894 ("\n rtw_set_key23a: psetkeyparm->algorithm = (u8)"
1895 "psecuritypriv->dot11PrivacyAlgrthm =%d\n",
1896 psetkeyparm->algorithm));
1897 }
1898 psetkeyparm->keyid = (u8)keyid;/* 0~3 */
1899 psetkeyparm->set_tx = set_tx;
1900 if (is_wep_enc(psetkeyparm->algorithm))
1901 pmlmepriv->key_mask |= CHKBIT(psetkeyparm->keyid);
1902
1903 DBG_8723A("==> rtw_set_key23a algorithm(%x), keyid(%x), key_mask(%x)\n",
1904 psetkeyparm->algorithm, psetkeyparm->keyid,
1905 pmlmepriv->key_mask);
1906 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
1907 ("\n rtw_set_key23a: psetkeyparm->algorithm =%d psetkeyparm->"
1908 "keyid = (u8)keyid =%d\n", psetkeyparm->algorithm, keyid));
1909
1910 switch (psetkeyparm->algorithm) {
1911 case _WEP40_:
1912 keylen = 5;
1913 memcpy(&psetkeyparm->key[0],
1914 &psecuritypriv->dot11DefKey[keyid].skey[0], keylen);
1915 break;
1916 case _WEP104_:
1917 keylen = 13;
1918 memcpy(&psetkeyparm->key[0],
1919 &psecuritypriv->dot11DefKey[keyid].skey[0], keylen);
1920 break;
1921 case _TKIP_:
1922 keylen = 16;
1923 memcpy(&psetkeyparm->key,
1924 &psecuritypriv->dot118021XGrpKey[keyid], keylen);
1925 psetkeyparm->grpkey = 1;
1926 break;
1927 case _AES_:
1928 keylen = 16;
1929 memcpy(&psetkeyparm->key,
1930 &psecuritypriv->dot118021XGrpKey[keyid], keylen);
1931 psetkeyparm->grpkey = 1;
1932 break;
1933 default:
1934 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
1935 ("\n rtw_set_key23a:psecuritypriv->dot11PrivacyAlgrthm"
1936 " = %x (must be 1 or 2 or 4 or 5)\n",
1937 psecuritypriv->dot11PrivacyAlgrthm));
1938 res = _FAIL;
1939 kfree(pcmd);
1940 kfree(psetkeyparm);
1941 goto exit;
1942 }
1943
1944 pcmd->cmdcode = _SetKey_CMD_;
1945 pcmd->parmbuf = (u8 *)psetkeyparm;
1946 pcmd->cmdsz = (sizeof(struct setkey_parm));
1947 pcmd->rsp = NULL;
1948 pcmd->rspsz = 0;
1949
1950 /* sema_init(&pcmd->cmd_sem, 0); */
1951
1952 res = rtw_enqueue_cmd23a(pcmdpriv, pcmd);
1953
1954 exit:
1955
1956 return res;
1957 }
1958
1959 /* adjust IEs for rtw_joinbss_cmd23a in WMM */
1960 int rtw_restruct_wmm_ie23a(struct rtw_adapter *adapter, u8 *in_ie,
1961 u8 *out_ie, uint in_len, uint initial_out_len)
1962 {
1963 unsigned int ielength = 0;
1964 unsigned int i, j;
1965
1966 i = 12; /* after the fixed IE */
1967 while (i < in_len) {
1968 ielength = initial_out_len;
1969
1970 /* WMM element ID and OUI */
1971 if (in_ie[i] == 0xDD && in_ie[i + 2] == 0x00 &&
1972 in_ie[i + 3] == 0x50 && in_ie[i + 4] == 0xF2 &&
1973 in_ie[i + 5] == 0x02 && i+5 < in_len) {
1974
1975 /* Append WMM IE to the last index of out_ie */
1976 for (j = i; j < i + 9; j++) {
1977 out_ie[ielength] = in_ie[j];
1978 ielength++;
1979 }
1980 out_ie[initial_out_len + 1] = 0x07;
1981 out_ie[initial_out_len + 6] = 0x00;
1982 out_ie[initial_out_len + 8] = 0x00;
1983
1984 break;
1985 }
1986
1987 i += (in_ie[i + 1] + 2); /* to the next IE element */
1988 }
1989
1990 return ielength;
1991 }
1992
1993 /* */
1994 /* Ported from 8185: IsInPreAuthKeyList().
1995 (Renamed from SecIsInPreAuthKeyList(), 2006-10-13.) */
1996 /* Added by Annie, 2006-05-07. */
1997 /* */
1998 /* Search by BSSID, */
1999 /* Return Value: */
2000 /* -1 :if there is no pre-auth key in the table */
2001 /* >= 0 :if there is pre-auth key, and return the entry id */
2002 /* */
2003 /* */
2004
2005 static int SecIsInPMKIDList(struct rtw_adapter *Adapter, u8 *bssid)
2006 {
2007 struct security_priv *psecuritypriv = &Adapter->securitypriv;
2008 int i = 0;
2009
2010 do {
2011 if (psecuritypriv->PMKIDList[i].bUsed &&
2012 ether_addr_equal(psecuritypriv->PMKIDList[i].Bssid, bssid)) {
2013 break;
2014 } else {
2015 i++;
2016 /* continue; */
2017 }
2018 } while (i < NUM_PMKID_CACHE);
2019
2020 if (i == NUM_PMKID_CACHE)
2021 i = -1;/* Could not find. */
2022 else {
2023 /* There is one Pre-Authentication Key for
2024 the specific BSSID. */
2025 }
2026
2027 return i;
2028 }
2029
2030 /* */
2031 /* Check the RSN IE length */
2032 /* If the RSN IE length <= 20, the RSN IE didn't include
2033 the PMKID information */
2034 /* 0-11th element in the array are the fixed IE */
2035 /* 12th element in the array is the IE */
2036 /* 13th element in the array is the IE length */
2037 /* */
2038
2039 static int rtw_append_pmkid(struct rtw_adapter *Adapter, int iEntry,
2040 u8 *ie, uint ie_len)
2041 {
2042 struct security_priv *psecuritypriv = &Adapter->securitypriv;
2043
2044 if (ie[13] <= 20) {
2045 /* The RSN IE didn't include the PMK ID,
2046 append the PMK information */
2047 ie[ie_len] = 1;
2048 ie_len++;
2049 ie[ie_len] = 0; /* PMKID count = 0x0100 */
2050 ie_len++;
2051 memcpy(&ie[ie_len],
2052 &psecuritypriv->PMKIDList[iEntry].PMKID, 16);
2053
2054 ie_len += 16;
2055 ie[13] += 18;/* PMKID length = 2+16 */
2056 }
2057 return ie_len;
2058 }
2059
2060 int rtw_restruct_sec_ie23a(struct rtw_adapter *adapter, u8 *in_ie, u8 *out_ie,
2061 uint in_len)
2062 {
2063 u8 authmode;
2064 uint ielength;
2065 int iEntry;
2066 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
2067 struct security_priv *psecuritypriv = &adapter->securitypriv;
2068 uint ndisauthmode = psecuritypriv->ndisauthtype;
2069 uint ndissecuritytype = psecuritypriv->ndisencryptstatus;
2070
2071 RT_TRACE(_module_rtl871x_mlme_c_, _drv_notice_,
2072 ("+rtw_restruct_sec_ie23a: ndisauthmode=%d "
2073 "ndissecuritytype=%d\n", ndisauthmode, ndissecuritytype));
2074
2075 /* copy fixed ie only */
2076 memcpy(out_ie, in_ie, 12);
2077 ielength = 12;
2078 if (ndisauthmode == Ndis802_11AuthModeWPA ||
2079 ndisauthmode == Ndis802_11AuthModeWPAPSK)
2080 authmode = WLAN_EID_VENDOR_SPECIFIC;
2081 if (ndisauthmode == Ndis802_11AuthModeWPA2 ||
2082 ndisauthmode == Ndis802_11AuthModeWPA2PSK)
2083 authmode = _WPA2_IE_ID_;
2084
2085 if (check_fwstate(pmlmepriv, WIFI_UNDER_WPS)) {
2086 memcpy(out_ie + ielength, psecuritypriv->wps_ie,
2087 psecuritypriv->wps_ie_len);
2088
2089 ielength += psecuritypriv->wps_ie_len;
2090 } else if (authmode == WLAN_EID_VENDOR_SPECIFIC ||
2091 authmode == _WPA2_IE_ID_) {
2092 /* copy RSN or SSN */
2093 memcpy(&out_ie[ielength], &psecuritypriv->supplicant_ie[0],
2094 psecuritypriv->supplicant_ie[1] + 2);
2095 ielength += psecuritypriv->supplicant_ie[1] + 2;
2096 }
2097
2098 iEntry = SecIsInPMKIDList(adapter, pmlmepriv->assoc_bssid);
2099 if (iEntry < 0)
2100 return ielength;
2101 else {
2102 if (authmode == _WPA2_IE_ID_)
2103 ielength = rtw_append_pmkid(adapter, iEntry,
2104 out_ie, ielength);
2105 }
2106
2107 return ielength;
2108 }
2109
2110 void rtw_init_registrypriv_dev_network23a(struct rtw_adapter* adapter)
2111 {
2112 struct registry_priv* pregistrypriv = &adapter->registrypriv;
2113 struct eeprom_priv* peepriv = &adapter->eeprompriv;
2114 struct wlan_bssid_ex *pdev_network = &pregistrypriv->dev_network;
2115 u8 *myhwaddr = myid(peepriv);
2116
2117 ether_addr_copy(pdev_network->MacAddress, myhwaddr);
2118
2119 memcpy(&pdev_network->Ssid, &pregistrypriv->ssid,
2120 sizeof(struct cfg80211_ssid));
2121
2122 pdev_network->Configuration.Length=sizeof(struct ndis_802_11_config);
2123 pdev_network->Configuration.BeaconPeriod = 100;
2124 pdev_network->Configuration.FHConfig.Length = 0;
2125 pdev_network->Configuration.FHConfig.HopPattern = 0;
2126 pdev_network->Configuration.FHConfig.HopSet = 0;
2127 pdev_network->Configuration.FHConfig.DwellTime = 0;
2128
2129 }
2130
2131 void rtw_update_registrypriv_dev_network23a(struct rtw_adapter* adapter)
2132 {
2133 int sz = 0;
2134 struct registry_priv* pregistrypriv = &adapter->registrypriv;
2135 struct wlan_bssid_ex *pdev_network = &pregistrypriv->dev_network;
2136 struct security_priv *psecuritypriv = &adapter->securitypriv;
2137 struct wlan_network *cur_network = &adapter->mlmepriv.cur_network;
2138 /* struct xmit_priv *pxmitpriv = &adapter->xmitpriv; */
2139
2140 pdev_network->Privacy =
2141 (psecuritypriv->dot11PrivacyAlgrthm > 0 ? 1 : 0);
2142
2143 pdev_network->Rssi = 0;
2144
2145 switch (pregistrypriv->wireless_mode)
2146 {
2147 case WIRELESS_11B:
2148 pdev_network->NetworkTypeInUse = Ndis802_11DS;
2149 break;
2150 case WIRELESS_11G:
2151 case WIRELESS_11BG:
2152 case WIRELESS_11_24N:
2153 case WIRELESS_11G_24N:
2154 case WIRELESS_11BG_24N:
2155 pdev_network->NetworkTypeInUse = Ndis802_11OFDM24;
2156 break;
2157 case WIRELESS_11A:
2158 case WIRELESS_11A_5N:
2159 pdev_network->NetworkTypeInUse = Ndis802_11OFDM5;
2160 break;
2161 case WIRELESS_11ABGN:
2162 if (pregistrypriv->channel > 14)
2163 pdev_network->NetworkTypeInUse = Ndis802_11OFDM5;
2164 else
2165 pdev_network->NetworkTypeInUse = Ndis802_11OFDM24;
2166 break;
2167 default :
2168 /* TODO */
2169 break;
2170 }
2171
2172 pdev_network->Configuration.DSConfig = pregistrypriv->channel;
2173 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
2174 ("pregistrypriv->channel =%d, pdev_network->Configuration."
2175 "DSConfig = 0x%x\n", pregistrypriv->channel,
2176 pdev_network->Configuration.DSConfig));
2177
2178 if (cur_network->network.InfrastructureMode == Ndis802_11IBSS)
2179 pdev_network->Configuration.ATIMWindow = 0;
2180
2181 pdev_network->InfrastructureMode =
2182 cur_network->network.InfrastructureMode;
2183
2184 /* 1. Supported rates */
2185 /* 2. IE */
2186
2187 sz = rtw_generate_ie23a(pregistrypriv);
2188
2189 pdev_network->IELength = sz;
2190
2191 pdev_network->Length =
2192 get_wlan_bssid_ex_sz(pdev_network);
2193
2194 /* notes: translate IELength & Length after assign the
2195 Length to cmdsz in createbss_cmd(); */
2196 /* pdev_network->IELength = cpu_to_le32(sz); */
2197 }
2198
2199 void rtw_get_encrypt_decrypt_from_registrypriv23a(struct rtw_adapter* adapter)
2200 {
2201
2202 }
2203
2204 /* the fucntion is at passive_level */
2205 void rtw_joinbss_reset23a(struct rtw_adapter *padapter)
2206 {
2207 u8 threshold;
2208 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
2209 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
2210
2211 /* todo: if you want to do something io/reg/hw setting
2212 before join_bss, please add code here */
2213
2214 pmlmepriv->num_FortyMHzIntolerant = 0;
2215
2216 pmlmepriv->num_sta_no_ht = 0;
2217
2218 phtpriv->ampdu_enable = false;/* reset to disabled */
2219
2220 /* TH = 1 => means that invalidate usb rx aggregation */
2221 /* TH = 0 => means that validate usb rx aggregation, use init value. */
2222 if (phtpriv->ht_option) {
2223 if (padapter->registrypriv.wifi_spec == 1)
2224 threshold = 1;
2225 else
2226 threshold = 0;
2227 } else
2228 threshold = 1;
2229
2230 rtl8723a_set_rxdma_agg_pg_th(padapter, threshold);
2231 }
2232
2233 /* the fucntion is >= passive_level */
2234 unsigned int rtw_restructure_ht_ie23a(struct rtw_adapter *padapter, u8 *in_ie,
2235 u8 *out_ie, uint in_len, uint *pout_len)
2236 {
2237 u32 out_len;
2238 int max_rx_ampdu_factor;
2239 unsigned char *pframe;
2240 const u8 *p;
2241 struct ieee80211_ht_cap ht_capie;
2242 unsigned char WMM_IE[] = {0x00, 0x50, 0xf2, 0x02, 0x00, 0x01, 0x00};
2243 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
2244 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
2245
2246 phtpriv->ht_option = false;
2247
2248 p = cfg80211_find_ie(WLAN_EID_HT_CAPABILITY, in_ie + 12, in_len -12);
2249
2250 if (p && p[1] > 0) {
2251 u32 rx_packet_offset, max_recvbuf_sz;
2252 if (pmlmepriv->qos_option == 0) {
2253 out_len = *pout_len;
2254 pframe = rtw_set_ie23a(out_ie + out_len,
2255 WLAN_EID_VENDOR_SPECIFIC,
2256 _WMM_IE_Length_, WMM_IE, pout_len);
2257
2258 pmlmepriv->qos_option = 1;
2259 }
2260
2261 out_len = *pout_len;
2262
2263 memset(&ht_capie, 0, sizeof(struct ieee80211_ht_cap));
2264
2265 ht_capie.cap_info = IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
2266 IEEE80211_HT_CAP_SGI_20 | IEEE80211_HT_CAP_SGI_40 |
2267 IEEE80211_HT_CAP_TX_STBC | IEEE80211_HT_CAP_DSSSCCK40;
2268
2269 rtw_hal_get_def_var23a(padapter, HAL_DEF_RX_PACKET_OFFSET,
2270 &rx_packet_offset);
2271 rtw_hal_get_def_var23a(padapter, HAL_DEF_MAX_RECVBUF_SZ,
2272 &max_recvbuf_sz);
2273
2274 rtw_hal_get_def_var23a(padapter, HW_VAR_MAX_RX_AMPDU_FACTOR,
2275 &max_rx_ampdu_factor);
2276 ht_capie.ampdu_params_info = max_rx_ampdu_factor & 0x03;
2277
2278 if (padapter->securitypriv.dot11PrivacyAlgrthm == _AES_)
2279 ht_capie.ampdu_params_info |=
2280 (IEEE80211_HT_AMPDU_PARM_DENSITY& (0x07 << 2));
2281 else
2282 ht_capie.ampdu_params_info |=
2283 (IEEE80211_HT_AMPDU_PARM_DENSITY & 0x00);
2284
2285 pframe = rtw_set_ie23a(out_ie + out_len, WLAN_EID_HT_CAPABILITY,
2286 sizeof(struct ieee80211_ht_cap),
2287 (unsigned char*)&ht_capie, pout_len);
2288
2289 phtpriv->ht_option = true;
2290
2291 p = cfg80211_find_ie(WLAN_EID_HT_OPERATION, in_ie + 12,
2292 in_len -12);
2293 if (p && (p[1] == sizeof(struct ieee80211_ht_addt_info))) {
2294 out_len = *pout_len;
2295 pframe = rtw_set_ie23a(out_ie + out_len,
2296 WLAN_EID_HT_OPERATION,
2297 p[1], p + 2 , pout_len);
2298 }
2299 }
2300
2301 return phtpriv->ht_option;
2302 }
2303
2304 /* the fucntion is > passive_level (in critical_section) */
2305 void rtw_update_ht_cap23a(struct rtw_adapter *padapter, u8 *pie, uint ie_len)
2306 {
2307 u8 max_ampdu_sz;
2308 const u8 *p;
2309 struct ieee80211_ht_cap *pht_capie;
2310 struct ieee80211_ht_addt_info *pht_addtinfo;
2311 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
2312 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
2313 struct registry_priv *pregistrypriv = &padapter->registrypriv;
2314 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
2315 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
2316
2317 if (!phtpriv->ht_option)
2318 return;
2319
2320 if ((!pmlmeinfo->HT_info_enable) || (!pmlmeinfo->HT_caps_enable))
2321 return;
2322
2323 DBG_8723A("+rtw_update_ht_cap23a()\n");
2324
2325 /* Adjust pie + ie_len for our searches */
2326 pie += sizeof (struct ndis_802_11_fixed_ies);
2327 ie_len -= sizeof (struct ndis_802_11_fixed_ies);
2328
2329 /* maybe needs check if ap supports rx ampdu. */
2330 if (phtpriv->ampdu_enable == false &&
2331 pregistrypriv->ampdu_enable == 1) {
2332 if (pregistrypriv->wifi_spec == 1)
2333 phtpriv->ampdu_enable = false;
2334 else
2335 phtpriv->ampdu_enable = true;
2336 } else if (pregistrypriv->ampdu_enable == 2)
2337 phtpriv->ampdu_enable = true;
2338
2339 /* check Max Rx A-MPDU Size */
2340 p = cfg80211_find_ie(WLAN_EID_HT_CAPABILITY, pie, ie_len);
2341
2342 if (p && p[1] > 0) {
2343 pht_capie = (struct ieee80211_ht_cap *)(p + 2);
2344 max_ampdu_sz = pht_capie->ampdu_params_info &
2345 IEEE80211_HT_AMPDU_PARM_FACTOR;
2346 /* max_ampdu_sz (kbytes); */
2347 max_ampdu_sz = 1 << (max_ampdu_sz + 3);
2348
2349 phtpriv->rx_ampdu_maxlen = max_ampdu_sz;
2350 }
2351
2352 p = cfg80211_find_ie(WLAN_EID_HT_OPERATION, pie, ie_len);
2353 if (p && p[1] > 0) {
2354 pht_addtinfo = (struct ieee80211_ht_addt_info *)(p + 2);
2355 /* todo: */
2356 }
2357
2358 /* update cur_bwmode & cur_ch_offset */
2359 if (pregistrypriv->cbw40_enable &&
2360 pmlmeinfo->HT_caps.u.HT_cap_element.HT_caps_info & BIT(1) &&
2361 pmlmeinfo->HT_info.infos[0] & BIT(2)) {
2362 int i;
2363 u8 rf_type;
2364
2365 rf_type = rtl8723a_get_rf_type(padapter);
2366
2367 /* update the MCS rates */
2368 for (i = 0; i < 16; i++) {
2369 if (rf_type == RF_1T1R || rf_type == RF_1T2R)
2370 pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate[i] &= MCS_rate_1R23A[i];
2371 else
2372 pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate[i] &= MCS_rate_2R23A[i];
2373 }
2374 /* switch to the 40M Hz mode accoring to the AP */
2375 pmlmeext->cur_bwmode = HT_CHANNEL_WIDTH_40;
2376 switch ((pmlmeinfo->HT_info.infos[0] & 0x3))
2377 {
2378 case HT_EXTCHNL_OFFSET_UPPER:
2379 pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER;
2380 break;
2381
2382 case HT_EXTCHNL_OFFSET_LOWER:
2383 pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_UPPER;
2384 break;
2385
2386 default:
2387 pmlmeext->cur_ch_offset =
2388 HAL_PRIME_CHNL_OFFSET_DONT_CARE;
2389 break;
2390 }
2391 }
2392
2393 /* */
2394 /* Config SM Power Save setting */
2395 /* */
2396 pmlmeinfo->SM_PS = (pmlmeinfo->HT_caps.u.HT_cap_element.HT_caps_info &
2397 0x0C) >> 2;
2398 if (pmlmeinfo->SM_PS == WLAN_HT_CAP_SM_PS_STATIC)
2399 DBG_8723A("%s(): WLAN_HT_CAP_SM_PS_STATIC\n", __func__);
2400
2401 /* */
2402 /* Config current HT Protection mode. */
2403 /* */
2404 pmlmeinfo->HT_protection = pmlmeinfo->HT_info.infos[1] & 0x3;
2405 }
2406
2407 void rtw_issue_addbareq_cmd23a(struct rtw_adapter *padapter,
2408 struct xmit_frame *pxmitframe)
2409 {
2410 u8 issued;
2411 int priority;
2412 struct sta_info *psta;
2413 struct ht_priv *phtpriv;
2414 struct pkt_attrib *pattrib = &pxmitframe->attrib;
2415 s32 bmcst = is_multicast_ether_addr(pattrib->ra);
2416
2417 if (bmcst || padapter->mlmepriv.LinkDetectInfo.NumTxOkInPeriod < 100)
2418 return;
2419
2420 priority = pattrib->priority;
2421
2422 if (pattrib->psta)
2423 psta = pattrib->psta;
2424 else {
2425 DBG_8723A("%s, call rtw_get_stainfo23a()\n", __func__);
2426 psta = rtw_get_stainfo23a(&padapter->stapriv, pattrib->ra);
2427 }
2428
2429 if (!psta) {
2430 DBG_8723A("%s, psta == NUL\n", __func__);
2431 return;
2432 }
2433
2434 if (!(psta->state &_FW_LINKED)) {
2435 DBG_8723A("%s, psta->state(0x%x) != _FW_LINKED\n",
2436 __func__, psta->state);
2437 return;
2438 }
2439
2440 phtpriv = &psta->htpriv;
2441
2442 if (phtpriv->ht_option == true && phtpriv->ampdu_enable == true) {
2443 issued = (phtpriv->agg_enable_bitmap>>priority)&0x1;
2444 issued |= (phtpriv->candidate_tid_bitmap>>priority)&0x1;
2445
2446 if (issued == 0) {
2447 DBG_8723A("rtw_issue_addbareq_cmd23a, p =%d\n",
2448 priority);
2449 psta->htpriv.candidate_tid_bitmap |=
2450 CHKBIT((u8)priority);
2451 rtw_addbareq_cmd23a(padapter, (u8) priority,
2452 pattrib->ra);
2453 }
2454 }
2455 }
2456
2457 int rtw_linked_check(struct rtw_adapter *padapter)
2458 {
2459 if (check_fwstate(&padapter->mlmepriv, WIFI_AP_STATE) ||
2460 check_fwstate(&padapter->mlmepriv,
2461 WIFI_ADHOC_STATE|WIFI_ADHOC_MASTER_STATE)) {
2462 if (padapter->stapriv.asoc_sta_count > 2)
2463 return true;
2464 } else { /* Station mode */
2465 if (check_fwstate(&padapter->mlmepriv, _FW_LINKED))
2466 return true;
2467 }
2468 return false;
2469 }
Linux kernel - Deliverables
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