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staging: rtl8188eu: while loop replaced by for loop
[deliverable/linux.git] / drivers / staging / rtl8188eu / 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 * You should have received a copy of the GNU General Public License along with
15 * this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
17 *
18 *
19 ******************************************************************************/
20 #define _RTW_MLME_C_
21
22 #include <linux/ieee80211.h>
23
24 #include <osdep_service.h>
25 #include <drv_types.h>
26 #include <recv_osdep.h>
27 #include <xmit_osdep.h>
28 #include <hal_intf.h>
29 #include <mlme_osdep.h>
30 #include <sta_info.h>
31 #include <wifi.h>
32 #include <wlan_bssdef.h>
33 #include <rtw_ioctl_set.h>
34 #include <linux/vmalloc.h>
35
36 extern unsigned char MCS_rate_2R[16];
37 extern unsigned char MCS_rate_1R[16];
38
39 int rtw_init_mlme_priv(struct adapter *padapter)
40 {
41 int i;
42 u8 *pbuf;
43 struct wlan_network *pnetwork;
44 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
45 int res = _SUCCESS;
46
47 /* We don't need to memset padapter->XXX to zero, because adapter is allocated by vzalloc(). */
48
49 pmlmepriv->nic_hdl = (u8 *)padapter;
50
51 pmlmepriv->pscanned = NULL;
52 pmlmepriv->fw_state = 0;
53 pmlmepriv->cur_network.network.InfrastructureMode = Ndis802_11AutoUnknown;
54 pmlmepriv->scan_mode = SCAN_ACTIVE;/* 1: active, 0: pasive. Maybe someday we should rename this varable to "active_mode" (Jeff) */
55
56 spin_lock_init(&(pmlmepriv->lock));
57 _rtw_init_queue(&(pmlmepriv->free_bss_pool));
58 _rtw_init_queue(&(pmlmepriv->scanned_queue));
59
60 set_scanned_network_val(pmlmepriv, 0);
61
62 memset(&pmlmepriv->assoc_ssid, 0, sizeof(struct ndis_802_11_ssid));
63
64 pbuf = vzalloc(MAX_BSS_CNT * (sizeof(struct wlan_network)));
65
66 if (pbuf == NULL) {
67 res = _FAIL;
68 goto exit;
69 }
70 pmlmepriv->free_bss_buf = pbuf;
71
72 pnetwork = (struct wlan_network *)pbuf;
73
74 for (i = 0; i < MAX_BSS_CNT; i++) {
75 INIT_LIST_HEAD(&(pnetwork->list));
76
77 list_add_tail(&(pnetwork->list), &(pmlmepriv->free_bss_pool.queue));
78
79 pnetwork++;
80 }
81
82 /* allocate DMA-able/Non-Page memory for cmd_buf and rsp_buf */
83
84 rtw_clear_scan_deny(padapter);
85
86 rtw_init_mlme_timer(padapter);
87
88 exit:
89 return res;
90 }
91
92 #if defined(CONFIG_88EU_AP_MODE)
93 static void rtw_free_mlme_ie_data(u8 **ppie, u32 *plen)
94 {
95 kfree(*ppie);
96 *plen = 0;
97 *ppie = NULL;
98 }
99
100 void rtw_free_mlme_priv_ie_data(struct mlme_priv *pmlmepriv)
101 {
102 rtw_buf_free(&pmlmepriv->assoc_req, &pmlmepriv->assoc_req_len);
103 rtw_buf_free(&pmlmepriv->assoc_rsp, &pmlmepriv->assoc_rsp_len);
104 rtw_free_mlme_ie_data(&pmlmepriv->wps_beacon_ie, &pmlmepriv->wps_beacon_ie_len);
105 rtw_free_mlme_ie_data(&pmlmepriv->wps_probe_req_ie, &pmlmepriv->wps_probe_req_ie_len);
106 rtw_free_mlme_ie_data(&pmlmepriv->wps_probe_resp_ie, &pmlmepriv->wps_probe_resp_ie_len);
107 rtw_free_mlme_ie_data(&pmlmepriv->wps_assoc_resp_ie, &pmlmepriv->wps_assoc_resp_ie_len);
108
109 rtw_free_mlme_ie_data(&pmlmepriv->p2p_beacon_ie, &pmlmepriv->p2p_beacon_ie_len);
110 rtw_free_mlme_ie_data(&pmlmepriv->p2p_probe_req_ie, &pmlmepriv->p2p_probe_req_ie_len);
111 rtw_free_mlme_ie_data(&pmlmepriv->p2p_probe_resp_ie, &pmlmepriv->p2p_probe_resp_ie_len);
112 rtw_free_mlme_ie_data(&pmlmepriv->p2p_go_probe_resp_ie, &pmlmepriv->p2p_go_probe_resp_ie_len);
113 rtw_free_mlme_ie_data(&pmlmepriv->p2p_assoc_req_ie, &pmlmepriv->p2p_assoc_req_ie_len);
114 }
115 #else
116 void rtw_free_mlme_priv_ie_data(struct mlme_priv *pmlmepriv)
117 {
118 }
119 #endif
120
121 void rtw_free_mlme_priv(struct mlme_priv *pmlmepriv)
122 {
123 rtw_free_mlme_priv_ie_data(pmlmepriv);
124
125 if (pmlmepriv) {
126 if (pmlmepriv->free_bss_buf)
127 vfree(pmlmepriv->free_bss_buf);
128 }
129 }
130
131 struct wlan_network *_rtw_alloc_network(struct mlme_priv *pmlmepriv)/* _queue *free_queue) */
132 {
133 struct wlan_network *pnetwork;
134 struct __queue *free_queue = &pmlmepriv->free_bss_pool;
135 struct list_head *plist = NULL;
136
137 spin_lock_bh(&free_queue->lock);
138
139 if (list_empty(&free_queue->queue)) {
140 pnetwork = NULL;
141 goto exit;
142 }
143 plist = free_queue->queue.next;
144
145 pnetwork = container_of(plist, struct wlan_network, list);
146
147 list_del_init(&pnetwork->list);
148
149 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("_rtw_alloc_network: ptr=%p\n", plist));
150 pnetwork->network_type = 0;
151 pnetwork->fixed = false;
152 pnetwork->last_scanned = jiffies;
153 pnetwork->aid = 0;
154 pnetwork->join_res = 0;
155
156 pmlmepriv->num_of_scanned++;
157
158 exit:
159 spin_unlock_bh(&free_queue->lock);
160
161 return pnetwork;
162 }
163
164 static void _rtw_free_network(struct mlme_priv *pmlmepriv, struct wlan_network *pnetwork, u8 isfreeall)
165 {
166 unsigned long curr_time;
167 u32 delta_time;
168 u32 lifetime = SCANQUEUE_LIFETIME;
169 struct __queue *free_queue = &(pmlmepriv->free_bss_pool);
170
171 if (pnetwork == NULL)
172 return;
173
174 if (pnetwork->fixed)
175 return;
176 curr_time = jiffies;
177 if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) ||
178 (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)))
179 lifetime = 1;
180 if (!isfreeall) {
181 delta_time = (curr_time - pnetwork->last_scanned)/HZ;
182 if (delta_time < lifetime)/* unit:sec */
183 return;
184 }
185 spin_lock_bh(&free_queue->lock);
186 list_del_init(&(pnetwork->list));
187 list_add_tail(&(pnetwork->list), &(free_queue->queue));
188 pmlmepriv->num_of_scanned--;
189 spin_unlock_bh(&free_queue->lock);
190 }
191
192 void _rtw_free_network_nolock(struct mlme_priv *pmlmepriv, struct wlan_network *pnetwork)
193 {
194 struct __queue *free_queue = &(pmlmepriv->free_bss_pool);
195
196 if (pnetwork == NULL)
197 return;
198 if (pnetwork->fixed)
199 return;
200 list_del_init(&(pnetwork->list));
201 list_add_tail(&(pnetwork->list), get_list_head(free_queue));
202 pmlmepriv->num_of_scanned--;
203 }
204
205 /*
206 return the wlan_network with the matching addr
207
208 Shall be calle under atomic context... to avoid possible racing condition...
209 */
210 struct wlan_network *rtw_find_network(struct __queue *scanned_queue, u8 *addr)
211 {
212 struct list_head *phead, *plist;
213 struct wlan_network *pnetwork = NULL;
214 u8 zero_addr[ETH_ALEN] = {0, 0, 0, 0, 0, 0};
215
216 if (!memcmp(zero_addr, addr, ETH_ALEN)) {
217 pnetwork = NULL;
218 goto exit;
219 }
220 phead = get_list_head(scanned_queue);
221 plist = phead->next;
222
223 while (plist != phead) {
224 pnetwork = container_of(plist, struct wlan_network, list);
225 if (!memcmp(addr, pnetwork->network.MacAddress, ETH_ALEN))
226 break;
227 plist = plist->next;
228 }
229 if (plist == phead)
230 pnetwork = NULL;
231 exit:
232 return pnetwork;
233 }
234
235
236 void rtw_free_network_queue(struct adapter *padapter, u8 isfreeall)
237 {
238 struct list_head *phead, *plist;
239 struct wlan_network *pnetwork;
240 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
241 struct __queue *scanned_queue = &pmlmepriv->scanned_queue;
242
243 spin_lock_bh(&scanned_queue->lock);
244
245 phead = get_list_head(scanned_queue);
246 plist = phead->next;
247
248 while (phead != plist) {
249 pnetwork = container_of(plist, struct wlan_network, list);
250
251 plist = plist->next;
252
253 _rtw_free_network(pmlmepriv, pnetwork, isfreeall);
254 }
255 spin_unlock_bh(&scanned_queue->lock);
256 }
257
258 int rtw_if_up(struct adapter *padapter)
259 {
260 int res;
261
262 if (padapter->bDriverStopped || padapter->bSurpriseRemoved ||
263 (check_fwstate(&padapter->mlmepriv, _FW_LINKED) == false)) {
264 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
265 ("rtw_if_up:bDriverStopped(%d) OR bSurpriseRemoved(%d)",
266 padapter->bDriverStopped, padapter->bSurpriseRemoved));
267 res = false;
268 } else {
269 res = true;
270 }
271 return res;
272 }
273
274 void rtw_generate_random_ibss(u8 *pibss)
275 {
276 unsigned long curtime = jiffies;
277
278 pibss[0] = 0x02; /* in ad-hoc mode bit1 must set to 1 */
279 pibss[1] = 0x11;
280 pibss[2] = 0x87;
281 pibss[3] = (u8)(curtime & 0xff);/* p[0]; */
282 pibss[4] = (u8)((curtime>>8) & 0xff);/* p[1]; */
283 pibss[5] = (u8)((curtime>>16) & 0xff);/* p[2]; */
284 return;
285 }
286
287 u8 *rtw_get_capability_from_ie(u8 *ie)
288 {
289 return ie + 8 + 2;
290 }
291
292
293 u16 rtw_get_capability(struct wlan_bssid_ex *bss)
294 {
295 __le16 val;
296
297 memcpy((u8 *)&val, rtw_get_capability_from_ie(bss->IEs), 2);
298
299 return le16_to_cpu(val);
300 }
301
302 u8 *rtw_get_beacon_interval_from_ie(u8 *ie)
303 {
304 return ie + 8;
305 }
306
307 static struct wlan_network *rtw_alloc_network(struct mlme_priv *pmlmepriv)
308 {
309 return _rtw_alloc_network(pmlmepriv);
310 }
311
312 static void rtw_free_network_nolock(struct mlme_priv *pmlmepriv,
313 struct wlan_network *pnetwork)
314 {
315 _rtw_free_network_nolock(pmlmepriv, pnetwork);
316 }
317
318 int rtw_is_same_ibss(struct adapter *adapter, struct wlan_network *pnetwork)
319 {
320 int ret = true;
321 struct security_priv *psecuritypriv = &adapter->securitypriv;
322
323 if ((psecuritypriv->dot11PrivacyAlgrthm != _NO_PRIVACY_) &&
324 (pnetwork->network.Privacy == 0))
325 ret = false;
326 else if ((psecuritypriv->dot11PrivacyAlgrthm == _NO_PRIVACY_) &&
327 (pnetwork->network.Privacy == 1))
328 ret = false;
329 else
330 ret = true;
331 return ret;
332 }
333
334 static int is_same_ess(struct wlan_bssid_ex *a, struct wlan_bssid_ex *b)
335 {
336 return (a->Ssid.SsidLength == b->Ssid.SsidLength) &&
337 !memcmp(a->Ssid.Ssid, b->Ssid.Ssid, a->Ssid.SsidLength);
338 }
339
340 int is_same_network(struct wlan_bssid_ex *src, struct wlan_bssid_ex *dst)
341 {
342 u16 s_cap, d_cap;
343 __le16 le_scap, le_dcap;
344
345 memcpy((u8 *)&le_scap, rtw_get_capability_from_ie(src->IEs), 2);
346 memcpy((u8 *)&le_dcap, rtw_get_capability_from_ie(dst->IEs), 2);
347
348
349 s_cap = le16_to_cpu(le_scap);
350 d_cap = le16_to_cpu(le_dcap);
351
352 return ((src->Ssid.SsidLength == dst->Ssid.SsidLength) &&
353 ((!memcmp(src->MacAddress, dst->MacAddress, ETH_ALEN)) == true) &&
354 ((!memcmp(src->Ssid.Ssid, dst->Ssid.Ssid, src->Ssid.SsidLength)) == true) &&
355 ((s_cap & WLAN_CAPABILITY_IBSS) ==
356 (d_cap & WLAN_CAPABILITY_IBSS)) &&
357 ((s_cap & WLAN_CAPABILITY_ESS) ==
358 (d_cap & WLAN_CAPABILITY_ESS)));
359 }
360
361 struct wlan_network *rtw_get_oldest_wlan_network(struct __queue *scanned_queue)
362 {
363 struct list_head *plist, *phead;
364 struct wlan_network *pwlan = NULL;
365 struct wlan_network *oldest = NULL;
366
367 phead = get_list_head(scanned_queue);
368
369 for (plist = phead->next; plist != phead; plist = plist->next) {
370 pwlan = container_of(plist, struct wlan_network, list);
371
372 if (!pwlan->fixed) {
373 if (oldest == NULL || time_after(oldest->last_scanned, pwlan->last_scanned))
374 oldest = pwlan;
375 }
376 }
377 return oldest;
378 }
379
380 void update_network(struct wlan_bssid_ex *dst, struct wlan_bssid_ex *src,
381 struct adapter *padapter, bool update_ie)
382 {
383 long rssi_ori = dst->Rssi;
384 u8 sq_smp = src->PhyInfo.SignalQuality;
385 u8 ss_final;
386 u8 sq_final;
387 long rssi_final;
388
389 rtw_hal_antdiv_rssi_compared(padapter, dst, src); /* this will update src.Rssi, need consider again */
390
391 /* The rule below is 1/5 for sample value, 4/5 for history value */
392 if (check_fwstate(&padapter->mlmepriv, _FW_LINKED) && is_same_network(&(padapter->mlmepriv.cur_network.network), src)) {
393 /* Take the recvpriv's value for the connected AP*/
394 ss_final = padapter->recvpriv.signal_strength;
395 sq_final = padapter->recvpriv.signal_qual;
396 /* the rssi value here is undecorated, and will be used for antenna diversity */
397 if (sq_smp != 101) /* from the right channel */
398 rssi_final = (src->Rssi+dst->Rssi*4)/5;
399 else
400 rssi_final = rssi_ori;
401 } else {
402 if (sq_smp != 101) { /* from the right channel */
403 ss_final = ((u32)(src->PhyInfo.SignalStrength)+(u32)(dst->PhyInfo.SignalStrength)*4)/5;
404 sq_final = ((u32)(src->PhyInfo.SignalQuality)+(u32)(dst->PhyInfo.SignalQuality)*4)/5;
405 rssi_final = (src->Rssi+dst->Rssi*4)/5;
406 } else {
407 /* bss info not receiving from the right channel, use the original RX signal infos */
408 ss_final = dst->PhyInfo.SignalStrength;
409 sq_final = dst->PhyInfo.SignalQuality;
410 rssi_final = dst->Rssi;
411 }
412 }
413 if (update_ie)
414 memcpy((u8 *)dst, (u8 *)src, get_wlan_bssid_ex_sz(src));
415 dst->PhyInfo.SignalStrength = ss_final;
416 dst->PhyInfo.SignalQuality = sq_final;
417 dst->Rssi = rssi_final;
418
419 }
420
421 static void update_current_network(struct adapter *adapter, struct wlan_bssid_ex *pnetwork)
422 {
423 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
424
425 if ((check_fwstate(pmlmepriv, _FW_LINKED) == true) &&
426 (is_same_network(&(pmlmepriv->cur_network.network), pnetwork))) {
427 update_network(&(pmlmepriv->cur_network.network), pnetwork, adapter, true);
428 rtw_update_protection(adapter, (pmlmepriv->cur_network.network.IEs) + sizeof(struct ndis_802_11_fixed_ie),
429 pmlmepriv->cur_network.network.IELength);
430 }
431 }
432
433 /*
434 Caller must hold pmlmepriv->lock first.
435 */
436 void rtw_update_scanned_network(struct adapter *adapter, struct wlan_bssid_ex *target)
437 {
438 struct list_head *plist, *phead;
439 u32 bssid_ex_sz;
440 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
441 struct __queue *queue = &(pmlmepriv->scanned_queue);
442 struct wlan_network *pnetwork = NULL;
443 struct wlan_network *oldest = NULL;
444
445 spin_lock_bh(&queue->lock);
446 phead = get_list_head(queue);
447 plist = phead->next;
448
449 while (phead != plist) {
450 pnetwork = container_of(plist, struct wlan_network, list);
451
452 if (is_same_network(&(pnetwork->network), target))
453 break;
454 if ((oldest == ((struct wlan_network *)0)) ||
455 time_after(oldest->last_scanned, pnetwork->last_scanned))
456 oldest = pnetwork;
457 plist = plist->next;
458 }
459 /* If we didn't find a match, then get a new network slot to initialize
460 * with this beacon's information */
461 if (phead == plist) {
462 if (list_empty(&(pmlmepriv->free_bss_pool.queue))) {
463 /* If there are no more slots, expire the oldest */
464 pnetwork = oldest;
465
466 rtw_hal_get_def_var(adapter, HAL_DEF_CURRENT_ANTENNA, &(target->PhyInfo.Optimum_antenna));
467 memcpy(&(pnetwork->network), target, get_wlan_bssid_ex_sz(target));
468 /* variable initialize */
469 pnetwork->fixed = false;
470 pnetwork->last_scanned = jiffies;
471
472 pnetwork->network_type = 0;
473 pnetwork->aid = 0;
474 pnetwork->join_res = 0;
475
476 /* bss info not receiving from the right channel */
477 if (pnetwork->network.PhyInfo.SignalQuality == 101)
478 pnetwork->network.PhyInfo.SignalQuality = 0;
479 } else {
480 /* Otherwise just pull from the free list */
481
482 pnetwork = rtw_alloc_network(pmlmepriv); /* will update scan_time */
483
484 if (pnetwork == NULL) {
485 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n\n\nsomething wrong here\n\n\n"));
486 goto exit;
487 }
488
489 bssid_ex_sz = get_wlan_bssid_ex_sz(target);
490 target->Length = bssid_ex_sz;
491 rtw_hal_get_def_var(adapter, HAL_DEF_CURRENT_ANTENNA, &(target->PhyInfo.Optimum_antenna));
492 memcpy(&(pnetwork->network), target, bssid_ex_sz);
493
494 pnetwork->last_scanned = jiffies;
495
496 /* bss info not receiving from the right channel */
497 if (pnetwork->network.PhyInfo.SignalQuality == 101)
498 pnetwork->network.PhyInfo.SignalQuality = 0;
499 list_add_tail(&(pnetwork->list), &(queue->queue));
500 }
501 } else {
502 /* we have an entry and we are going to update it. But this entry may
503 * be already expired. In this case we do the same as we found a new
504 * net and call the new_net handler
505 */
506 bool update_ie = true;
507
508 pnetwork->last_scanned = jiffies;
509
510 /* target.Reserved[0]== 1, means that scanned network is a bcn frame. */
511 if ((pnetwork->network.IELength > target->IELength) && (target->Reserved[0] == 1))
512 update_ie = false;
513
514 update_network(&(pnetwork->network), target, adapter, update_ie);
515 }
516
517 exit:
518 spin_unlock_bh(&queue->lock);
519
520 }
521
522 static void rtw_add_network(struct adapter *adapter,
523 struct wlan_bssid_ex *pnetwork)
524 {
525 update_current_network(adapter, pnetwork);
526 rtw_update_scanned_network(adapter, pnetwork);
527 }
528
529 /*
530 * select the desired network based on the capability of the (i)bss.
531 * check items: (1) security
532 * (2) network_type
533 * (3) WMM
534 * (4) HT
535 * (5) others
536 */
537 static int rtw_is_desired_network(struct adapter *adapter, struct wlan_network *pnetwork)
538 {
539 struct security_priv *psecuritypriv = &adapter->securitypriv;
540 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
541 u32 desired_encmode;
542 u32 privacy;
543
544 /* u8 wps_ie[512]; */
545 uint wps_ielen;
546
547 int bselected = true;
548
549 desired_encmode = psecuritypriv->ndisencryptstatus;
550 privacy = pnetwork->network.Privacy;
551
552 if (check_fwstate(pmlmepriv, WIFI_UNDER_WPS)) {
553 if (rtw_get_wps_ie(pnetwork->network.IEs+_FIXED_IE_LENGTH_, pnetwork->network.IELength-_FIXED_IE_LENGTH_, NULL, &wps_ielen) != NULL)
554 return true;
555 else
556 return false;
557 }
558 if (adapter->registrypriv.wifi_spec == 1) { /* for correct flow of 8021X to do.... */
559 if ((desired_encmode == Ndis802_11EncryptionDisabled) && (privacy != 0))
560 bselected = false;
561 }
562
563
564 if ((desired_encmode != Ndis802_11EncryptionDisabled) && (privacy == 0)) {
565 DBG_88E("desired_encmode: %d, privacy: %d\n", desired_encmode, privacy);
566 bselected = false;
567 }
568
569 if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true) {
570 if (pnetwork->network.InfrastructureMode != pmlmepriv->cur_network.network.InfrastructureMode)
571 bselected = false;
572 }
573
574
575 return bselected;
576 }
577
578 /* TODO: Perry: For Power Management */
579 void rtw_atimdone_event_callback(struct adapter *adapter, u8 *pbuf)
580 {
581 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("receive atimdone_evet\n"));
582 return;
583 }
584
585
586 void rtw_survey_event_callback(struct adapter *adapter, u8 *pbuf)
587 {
588 u32 len;
589 struct wlan_bssid_ex *pnetwork;
590 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
591
592 pnetwork = (struct wlan_bssid_ex *)pbuf;
593
594 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("rtw_survey_event_callback, ssid=%s\n", pnetwork->Ssid.Ssid));
595
596 len = get_wlan_bssid_ex_sz(pnetwork);
597 if (len > (sizeof(struct wlan_bssid_ex))) {
598 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n****rtw_survey_event_callback: return a wrong bss ***\n"));
599 return;
600 }
601 spin_lock_bh(&pmlmepriv->lock);
602
603 /* update IBSS_network 's timestamp */
604 if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) == true) {
605 if (!memcmp(&(pmlmepriv->cur_network.network.MacAddress), pnetwork->MacAddress, ETH_ALEN)) {
606 struct wlan_network *ibss_wlan = NULL;
607
608 memcpy(pmlmepriv->cur_network.network.IEs, pnetwork->IEs, 8);
609 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
610 ibss_wlan = rtw_find_network(&pmlmepriv->scanned_queue, pnetwork->MacAddress);
611 if (ibss_wlan) {
612 memcpy(ibss_wlan->network.IEs, pnetwork->IEs, 8);
613 spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
614 goto exit;
615 }
616 spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
617 }
618 }
619
620 /* lock pmlmepriv->lock when you accessing network_q */
621 if ((check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) == false) {
622 if (pnetwork->Ssid.Ssid[0] == 0)
623 pnetwork->Ssid.SsidLength = 0;
624 rtw_add_network(adapter, pnetwork);
625 }
626
627 exit:
628
629 spin_unlock_bh(&pmlmepriv->lock);
630 return;
631 }
632
633 void rtw_surveydone_event_callback(struct adapter *adapter, u8 *pbuf)
634 {
635 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
636
637 spin_lock_bh(&pmlmepriv->lock);
638
639 if (pmlmepriv->wps_probe_req_ie) {
640 pmlmepriv->wps_probe_req_ie_len = 0;
641 kfree(pmlmepriv->wps_probe_req_ie);
642 pmlmepriv->wps_probe_req_ie = NULL;
643 }
644
645 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("rtw_surveydone_event_callback: fw_state:%x\n\n", get_fwstate(pmlmepriv)));
646
647 if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY)) {
648 del_timer_sync(&pmlmepriv->scan_to_timer);
649 _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY);
650 } else {
651 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("nic status=%x, survey done event comes too late!\n", get_fwstate(pmlmepriv)));
652 }
653
654 rtw_set_signal_stat_timer(&adapter->recvpriv);
655
656 if (pmlmepriv->to_join) {
657 if ((check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true)) {
658 if (check_fwstate(pmlmepriv, _FW_LINKED) == false) {
659 set_fwstate(pmlmepriv, _FW_UNDER_LINKING);
660
661 if (rtw_select_and_join_from_scanned_queue(pmlmepriv) == _SUCCESS) {
662 mod_timer(&pmlmepriv->assoc_timer,
663 jiffies + msecs_to_jiffies(MAX_JOIN_TIMEOUT));
664 } else {
665 struct wlan_bssid_ex *pdev_network = &(adapter->registrypriv.dev_network);
666 u8 *pibss = adapter->registrypriv.dev_network.MacAddress;
667
668 _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY);
669
670 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("switching to adhoc master\n"));
671
672 memcpy(&pdev_network->Ssid, &pmlmepriv->assoc_ssid, sizeof(struct ndis_802_11_ssid));
673
674 rtw_update_registrypriv_dev_network(adapter);
675 rtw_generate_random_ibss(pibss);
676
677 pmlmepriv->fw_state = WIFI_ADHOC_MASTER_STATE;
678
679 if (rtw_createbss_cmd(adapter) != _SUCCESS)
680 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Error=>rtw_createbss_cmd status FAIL\n"));
681 pmlmepriv->to_join = false;
682 }
683 }
684 } else {
685 int s_ret;
686 set_fwstate(pmlmepriv, _FW_UNDER_LINKING);
687 pmlmepriv->to_join = false;
688 s_ret = rtw_select_and_join_from_scanned_queue(pmlmepriv);
689 if (_SUCCESS == s_ret) {
690 mod_timer(&pmlmepriv->assoc_timer,
691 jiffies + msecs_to_jiffies(MAX_JOIN_TIMEOUT));
692 } else if (s_ret == 2) { /* there is no need to wait for join */
693 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
694 rtw_indicate_connect(adapter);
695 } else {
696 DBG_88E("try_to_join, but select scanning queue fail, to_roaming:%d\n", pmlmepriv->to_roaming);
697 if (pmlmepriv->to_roaming != 0) {
698 if (--pmlmepriv->to_roaming == 0 ||
699 _SUCCESS != rtw_sitesurvey_cmd(adapter, &pmlmepriv->assoc_ssid, 1, NULL, 0)) {
700 pmlmepriv->to_roaming = 0;
701 rtw_free_assoc_resources(adapter);
702 rtw_indicate_disconnect(adapter);
703 } else {
704 pmlmepriv->to_join = true;
705 }
706 }
707 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
708 }
709 }
710 }
711
712 indicate_wx_scan_complete_event(adapter);
713
714 spin_unlock_bh(&pmlmepriv->lock);
715
716 rtw_os_xmit_schedule(adapter);
717 }
718
719 void rtw_dummy_event_callback(struct adapter *adapter, u8 *pbuf)
720 {
721 }
722
723 void rtw_fwdbg_event_callback(struct adapter *adapter, u8 *pbuf)
724 {
725 }
726
727 static void free_scanqueue(struct mlme_priv *pmlmepriv)
728 {
729 struct __queue *free_queue = &pmlmepriv->free_bss_pool;
730 struct __queue *scan_queue = &pmlmepriv->scanned_queue;
731 struct list_head *plist, *phead, *ptemp;
732
733 RT_TRACE(_module_rtl871x_mlme_c_, _drv_notice_, ("+free_scanqueue\n"));
734 spin_lock_bh(&scan_queue->lock);
735 spin_lock_bh(&free_queue->lock);
736
737 phead = get_list_head(scan_queue);
738 plist = phead->next;
739
740 while (plist != phead) {
741 ptemp = plist->next;
742 list_del_init(plist);
743 list_add_tail(plist, &free_queue->queue);
744 plist = ptemp;
745 pmlmepriv->num_of_scanned--;
746 }
747
748 spin_unlock_bh(&free_queue->lock);
749 spin_unlock_bh(&scan_queue->lock);
750 }
751
752 /*
753 *rtw_free_assoc_resources: the caller has to lock pmlmepriv->lock
754 */
755 void rtw_free_assoc_resources(struct adapter *adapter)
756 {
757 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
758
759 spin_lock_bh(&pmlmepriv->scanned_queue.lock);
760 rtw_free_assoc_resources_locked(adapter);
761 spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
762 }
763
764 /*
765 *rtw_free_assoc_resources_locked: the caller has to lock pmlmepriv->lock
766 */
767 void rtw_free_assoc_resources_locked(struct adapter *adapter)
768 {
769 struct wlan_network *pwlan = NULL;
770 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
771 struct sta_priv *pstapriv = &adapter->stapriv;
772 struct wlan_network *tgt_network = &pmlmepriv->cur_network;
773
774 RT_TRACE(_module_rtl871x_mlme_c_, _drv_notice_, ("+rtw_free_assoc_resources\n"));
775 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
776 ("tgt_network->network.MacAddress=%pM ssid=%s\n",
777 tgt_network->network.MacAddress, tgt_network->network.Ssid.Ssid));
778
779 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE | WIFI_AP_STATE)) {
780 struct sta_info *psta;
781
782 psta = rtw_get_stainfo(&adapter->stapriv, tgt_network->network.MacAddress);
783
784 spin_lock_bh(&(pstapriv->sta_hash_lock));
785 rtw_free_stainfo(adapter, psta);
786 spin_unlock_bh(&pstapriv->sta_hash_lock);
787 }
788
789 if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE | WIFI_ADHOC_MASTER_STATE | WIFI_AP_STATE)) {
790 struct sta_info *psta;
791
792 rtw_free_all_stainfo(adapter);
793
794 psta = rtw_get_bcmc_stainfo(adapter);
795 spin_lock_bh(&(pstapriv->sta_hash_lock));
796 rtw_free_stainfo(adapter, psta);
797 spin_unlock_bh(&pstapriv->sta_hash_lock);
798
799 rtw_init_bcmc_stainfo(adapter);
800 }
801
802
803 pwlan = rtw_find_network(&pmlmepriv->scanned_queue, tgt_network->network.MacAddress);
804 if (pwlan)
805 pwlan->fixed = false;
806 else
807 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("rtw_free_assoc_resources:pwlan==NULL\n\n"));
808
809 if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) && (adapter->stapriv.asoc_sta_count == 1)))
810 rtw_free_network_nolock(pmlmepriv, pwlan);
811
812 pmlmepriv->key_mask = 0;
813 }
814
815 /*
816 *rtw_indicate_connect: the caller has to lock pmlmepriv->lock
817 */
818 void rtw_indicate_connect(struct adapter *padapter)
819 {
820 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
821
822 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("+rtw_indicate_connect\n"));
823
824 pmlmepriv->to_join = false;
825
826 if (!check_fwstate(&padapter->mlmepriv, _FW_LINKED)) {
827 set_fwstate(pmlmepriv, _FW_LINKED);
828
829 rtw_led_control(padapter, LED_CTL_LINK);
830
831 rtw_os_indicate_connect(padapter);
832 }
833
834 pmlmepriv->to_roaming = 0;
835
836 rtw_set_scan_deny(padapter, 3000);
837
838 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("-rtw_indicate_connect: fw_state=0x%08x\n", get_fwstate(pmlmepriv)));
839 }
840
841 /*
842 *rtw_indicate_disconnect: the caller has to lock pmlmepriv->lock
843 */
844 void rtw_indicate_disconnect(struct adapter *padapter)
845 {
846 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
847
848 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("+rtw_indicate_disconnect\n"));
849
850 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING | WIFI_UNDER_WPS);
851
852
853 if (pmlmepriv->to_roaming > 0)
854 _clr_fwstate_(pmlmepriv, _FW_LINKED);
855
856 if (check_fwstate(&padapter->mlmepriv, _FW_LINKED) ||
857 (pmlmepriv->to_roaming <= 0)) {
858 rtw_os_indicate_disconnect(padapter);
859
860 _clr_fwstate_(pmlmepriv, _FW_LINKED);
861 rtw_led_control(padapter, LED_CTL_NO_LINK);
862 rtw_clear_scan_deny(padapter);
863 }
864
865 rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_DISCONNECT, 1);
866 }
867
868 inline void rtw_indicate_scan_done(struct adapter *padapter, bool aborted)
869 {
870 rtw_os_indicate_scan_done(padapter, aborted);
871 }
872
873 void rtw_scan_abort(struct adapter *adapter)
874 {
875 unsigned long start;
876 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
877 struct mlme_ext_priv *pmlmeext = &(adapter->mlmeextpriv);
878
879 start = jiffies;
880 pmlmeext->scan_abort = true;
881 while (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY) &&
882 jiffies_to_msecs(jiffies - start) <= 200) {
883 if (adapter->bDriverStopped || adapter->bSurpriseRemoved)
884 break;
885 DBG_88E(FUNC_NDEV_FMT"fw_state=_FW_UNDER_SURVEY!\n", FUNC_NDEV_ARG(adapter->pnetdev));
886 msleep(20);
887 }
888 if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY)) {
889 if (!adapter->bDriverStopped && !adapter->bSurpriseRemoved)
890 DBG_88E(FUNC_NDEV_FMT"waiting for scan_abort time out!\n", FUNC_NDEV_ARG(adapter->pnetdev));
891 rtw_indicate_scan_done(adapter, true);
892 }
893 pmlmeext->scan_abort = false;
894 }
895
896 static struct sta_info *rtw_joinbss_update_stainfo(struct adapter *padapter, struct wlan_network *pnetwork)
897 {
898 int i;
899 struct sta_info *bmc_sta, *psta = NULL;
900 struct recv_reorder_ctrl *preorder_ctrl;
901 struct sta_priv *pstapriv = &padapter->stapriv;
902
903 psta = rtw_get_stainfo(pstapriv, pnetwork->network.MacAddress);
904 if (psta == NULL)
905 psta = rtw_alloc_stainfo(pstapriv, pnetwork->network.MacAddress);
906
907 if (psta) { /* update ptarget_sta */
908 DBG_88E("%s\n", __func__);
909 psta->aid = pnetwork->join_res;
910 psta->mac_id = 0;
911 /* sta mode */
912 rtw_hal_set_odm_var(padapter, HAL_ODM_STA_INFO, psta, true);
913 /* security related */
914 if (padapter->securitypriv.dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) {
915 padapter->securitypriv.binstallGrpkey = false;
916 padapter->securitypriv.busetkipkey = false;
917 padapter->securitypriv.bgrpkey_handshake = false;
918 psta->ieee8021x_blocked = true;
919 psta->dot118021XPrivacy = padapter->securitypriv.dot11PrivacyAlgrthm;
920 memset((u8 *)&psta->dot118021x_UncstKey, 0, sizeof(union Keytype));
921 memset((u8 *)&psta->dot11tkiprxmickey, 0, sizeof(union Keytype));
922 memset((u8 *)&psta->dot11tkiptxmickey, 0, sizeof(union Keytype));
923 memset((u8 *)&psta->dot11txpn, 0, sizeof(union pn48));
924 memset((u8 *)&psta->dot11rxpn, 0, sizeof(union pn48));
925 }
926 /*
927 * Commented by Albert 2012/07/21
928 * When doing the WPS, the wps_ie_len won't equal to 0
929 * And the Wi-Fi driver shouldn't allow the data
930 * packet to be tramsmitted.
931 */
932 if (padapter->securitypriv.wps_ie_len != 0) {
933 psta->ieee8021x_blocked = true;
934 padapter->securitypriv.wps_ie_len = 0;
935 }
936 /* for A-MPDU Rx reordering buffer control for bmc_sta & sta_info */
937 /* if A-MPDU Rx is enabled, resetting rx_ordering_ctrl wstart_b(indicate_seq) to default value = 0xffff */
938 /* todo: check if AP can send A-MPDU packets */
939 for (i = 0; i < 16; i++) {
940 /* preorder_ctrl = &precvpriv->recvreorder_ctrl[i]; */
941 preorder_ctrl = &psta->recvreorder_ctrl[i];
942 preorder_ctrl->enable = false;
943 preorder_ctrl->indicate_seq = 0xffff;
944 preorder_ctrl->wend_b = 0xffff;
945 preorder_ctrl->wsize_b = 64;/* max_ampdu_sz; ex. 32(kbytes) -> wsize_b = 32 */
946 }
947 bmc_sta = rtw_get_bcmc_stainfo(padapter);
948 if (bmc_sta) {
949 for (i = 0; i < 16; i++) {
950 /* preorder_ctrl = &precvpriv->recvreorder_ctrl[i]; */
951 preorder_ctrl = &bmc_sta->recvreorder_ctrl[i];
952 preorder_ctrl->enable = false;
953 preorder_ctrl->indicate_seq = 0xffff;
954 preorder_ctrl->wend_b = 0xffff;
955 preorder_ctrl->wsize_b = 64;/* max_ampdu_sz; ex. 32(kbytes) -> wsize_b = 32 */
956 }
957 }
958 /* misc. */
959 update_sta_info(padapter, psta);
960 }
961 return psta;
962 }
963
964 /* pnetwork: returns from rtw_joinbss_event_callback */
965 /* ptarget_wlan: found from scanned_queue */
966 static void rtw_joinbss_update_network(struct adapter *padapter, struct wlan_network *ptarget_wlan, struct wlan_network *pnetwork)
967 {
968 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
969 struct wlan_network *cur_network = &(pmlmepriv->cur_network);
970
971 DBG_88E("%s\n", __func__);
972
973 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
974 ("\nfw_state:%x, BSSID:%pM\n",
975 get_fwstate(pmlmepriv), pnetwork->network.MacAddress));
976
977
978 /* why not use ptarget_wlan?? */
979 memcpy(&cur_network->network, &pnetwork->network, pnetwork->network.Length);
980 /* some IEs in pnetwork is wrong, so we should use ptarget_wlan IEs */
981 cur_network->network.IELength = ptarget_wlan->network.IELength;
982 memcpy(&cur_network->network.IEs[0], &ptarget_wlan->network.IEs[0], MAX_IE_SZ);
983
984 cur_network->aid = pnetwork->join_res;
985
986
987 rtw_set_signal_stat_timer(&padapter->recvpriv);
988 padapter->recvpriv.signal_strength = ptarget_wlan->network.PhyInfo.SignalStrength;
989 padapter->recvpriv.signal_qual = ptarget_wlan->network.PhyInfo.SignalQuality;
990 /* the ptarget_wlan->network.Rssi is raw data, we use ptarget_wlan->network.PhyInfo.SignalStrength instead (has scaled) */
991 padapter->recvpriv.rssi = translate_percentage_to_dbm(ptarget_wlan->network.PhyInfo.SignalStrength);
992 rtw_set_signal_stat_timer(&padapter->recvpriv);
993
994 /* update fw_state will clr _FW_UNDER_LINKING here indirectly */
995 switch (pnetwork->network.InfrastructureMode) {
996 case Ndis802_11Infrastructure:
997 if (pmlmepriv->fw_state&WIFI_UNDER_WPS)
998 pmlmepriv->fw_state = WIFI_STATION_STATE|WIFI_UNDER_WPS;
999 else
1000 pmlmepriv->fw_state = WIFI_STATION_STATE;
1001 break;
1002 case Ndis802_11IBSS:
1003 pmlmepriv->fw_state = WIFI_ADHOC_STATE;
1004 break;
1005 default:
1006 pmlmepriv->fw_state = WIFI_NULL_STATE;
1007 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Invalid network_mode\n"));
1008 break;
1009 }
1010
1011 rtw_update_protection(padapter, (cur_network->network.IEs) +
1012 sizeof(struct ndis_802_11_fixed_ie),
1013 (cur_network->network.IELength));
1014 rtw_update_ht_cap(padapter, cur_network->network.IEs, cur_network->network.IELength);
1015 }
1016
1017 /* Notes: the function could be > passive_level (the same context as Rx tasklet) */
1018 /* pnetwork: returns from rtw_joinbss_event_callback */
1019 /* ptarget_wlan: found from scanned_queue */
1020 /* if join_res > 0, for (fw_state == WIFI_STATION_STATE), we check if "ptarget_sta" & "ptarget_wlan" exist. */
1021 /* if join_res > 0, for (fw_state == WIFI_ADHOC_STATE), we only check if "ptarget_wlan" exist. */
1022 /* if join_res > 0, update "cur_network->network" from "pnetwork->network" if (ptarget_wlan != NULL). */
1023
1024 void rtw_joinbss_event_prehandle(struct adapter *adapter, u8 *pbuf)
1025 {
1026 struct sta_info *ptarget_sta = NULL, *pcur_sta = NULL;
1027 struct sta_priv *pstapriv = &adapter->stapriv;
1028 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
1029 struct wlan_network *pnetwork = (struct wlan_network *)pbuf;
1030 struct wlan_network *cur_network = &(pmlmepriv->cur_network);
1031 struct wlan_network *pcur_wlan = NULL, *ptarget_wlan = NULL;
1032 unsigned int the_same_macaddr = false;
1033
1034 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("joinbss event call back received with res=%d\n", pnetwork->join_res));
1035
1036 rtw_get_encrypt_decrypt_from_registrypriv(adapter);
1037
1038
1039 if (pmlmepriv->assoc_ssid.SsidLength == 0)
1040 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("@@@@@ joinbss event call back for Any SSid\n"));
1041 else
1042 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("@@@@@ rtw_joinbss_event_callback for SSid:%s\n", pmlmepriv->assoc_ssid.Ssid));
1043
1044 the_same_macaddr = !memcmp(pnetwork->network.MacAddress, cur_network->network.MacAddress, ETH_ALEN);
1045
1046 pnetwork->network.Length = get_wlan_bssid_ex_sz(&pnetwork->network);
1047 if (pnetwork->network.Length > sizeof(struct wlan_bssid_ex)) {
1048 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n\n ***joinbss_evt_callback return a wrong bss ***\n\n"));
1049 return;
1050 }
1051
1052 spin_lock_bh(&pmlmepriv->lock);
1053
1054 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("\nrtw_joinbss_event_callback!! _enter_critical\n"));
1055
1056 if (pnetwork->join_res > 0) {
1057 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
1058 if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) {
1059 /* s1. find ptarget_wlan */
1060 if (check_fwstate(pmlmepriv, _FW_LINKED)) {
1061 if (the_same_macaddr) {
1062 ptarget_wlan = rtw_find_network(&pmlmepriv->scanned_queue, cur_network->network.MacAddress);
1063 } else {
1064 pcur_wlan = rtw_find_network(&pmlmepriv->scanned_queue, cur_network->network.MacAddress);
1065 if (pcur_wlan)
1066 pcur_wlan->fixed = false;
1067
1068 pcur_sta = rtw_get_stainfo(pstapriv, cur_network->network.MacAddress);
1069 if (pcur_sta) {
1070 spin_lock_bh(&(pstapriv->sta_hash_lock));
1071 rtw_free_stainfo(adapter, pcur_sta);
1072 spin_unlock_bh(&pstapriv->sta_hash_lock);
1073 }
1074
1075 ptarget_wlan = rtw_find_network(&pmlmepriv->scanned_queue, pnetwork->network.MacAddress);
1076 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
1077 if (ptarget_wlan)
1078 ptarget_wlan->fixed = true;
1079 }
1080 }
1081 } else {
1082 ptarget_wlan = rtw_find_network(&pmlmepriv->scanned_queue, pnetwork->network.MacAddress);
1083 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
1084 if (ptarget_wlan)
1085 ptarget_wlan->fixed = true;
1086 }
1087 }
1088
1089 /* s2. update cur_network */
1090 if (ptarget_wlan) {
1091 rtw_joinbss_update_network(adapter, ptarget_wlan, pnetwork);
1092 } else {
1093 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Can't find ptarget_wlan when joinbss_event callback\n"));
1094 spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
1095 goto ignore_joinbss_callback;
1096 }
1097
1098
1099 /* s3. find ptarget_sta & update ptarget_sta after update cur_network only for station mode */
1100 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
1101 ptarget_sta = rtw_joinbss_update_stainfo(adapter, pnetwork);
1102 if (ptarget_sta == NULL) {
1103 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Can't update stainfo when joinbss_event callback\n"));
1104 spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
1105 goto ignore_joinbss_callback;
1106 }
1107 }
1108
1109 /* s4. indicate connect */
1110 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
1111 rtw_indicate_connect(adapter);
1112 } else {
1113 /* adhoc mode will rtw_indicate_connect when rtw_stassoc_event_callback */
1114 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("adhoc mode, fw_state:%x", get_fwstate(pmlmepriv)));
1115 }
1116
1117 /* s5. Cancle assoc_timer */
1118 del_timer_sync(&pmlmepriv->assoc_timer);
1119
1120 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("Cancle assoc_timer\n"));
1121
1122 } else {
1123 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("rtw_joinbss_event_callback err: fw_state:%x", get_fwstate(pmlmepriv)));
1124 spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
1125 goto ignore_joinbss_callback;
1126 }
1127
1128 spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
1129
1130 } else if (pnetwork->join_res == -4) {
1131 rtw_reset_securitypriv(adapter);
1132 mod_timer(&pmlmepriv->assoc_timer,
1133 jiffies + msecs_to_jiffies(1));
1134
1135 if ((check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) == true) {
1136 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("fail! clear _FW_UNDER_LINKING ^^^fw_state=%x\n", get_fwstate(pmlmepriv)));
1137 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
1138 }
1139 } else { /* if join_res < 0 (join fails), then try again */
1140 mod_timer(&pmlmepriv->assoc_timer,
1141 jiffies + msecs_to_jiffies(1));
1142 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
1143 }
1144
1145 ignore_joinbss_callback:
1146 spin_unlock_bh(&pmlmepriv->lock);
1147 }
1148
1149 void rtw_joinbss_event_callback(struct adapter *adapter, u8 *pbuf)
1150 {
1151 struct wlan_network *pnetwork = (struct wlan_network *)pbuf;
1152
1153 mlmeext_joinbss_event_callback(adapter, pnetwork->join_res);
1154
1155 rtw_os_xmit_schedule(adapter);
1156 }
1157
1158 static u8 search_max_mac_id(struct adapter *padapter)
1159 {
1160 u8 mac_id;
1161 #if defined(CONFIG_88EU_AP_MODE)
1162 u8 aid;
1163 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
1164 struct sta_priv *pstapriv = &padapter->stapriv;
1165 #endif
1166 struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
1167 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1168
1169 #if defined(CONFIG_88EU_AP_MODE)
1170 if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
1171 for (aid = (pstapriv->max_num_sta); aid > 0; aid--) {
1172 if (pstapriv->sta_aid[aid-1] != NULL)
1173 break;
1174 }
1175 mac_id = aid + 1;
1176 } else
1177 #endif
1178 {/* adhoc id = 31~2 */
1179 for (mac_id = (NUM_STA-1); mac_id >= IBSS_START_MAC_ID; mac_id--) {
1180 if (pmlmeinfo->FW_sta_info[mac_id].status == 1)
1181 break;
1182 }
1183 }
1184 return mac_id;
1185 }
1186
1187 /* FOR AP , AD-HOC mode */
1188 void rtw_stassoc_hw_rpt(struct adapter *adapter, struct sta_info *psta)
1189 {
1190 u16 media_status;
1191 u8 macid;
1192
1193 if (psta == NULL)
1194 return;
1195
1196 macid = search_max_mac_id(adapter);
1197 rtw_hal_set_hwreg(adapter, HW_VAR_TX_RPT_MAX_MACID, (u8 *)&macid);
1198 media_status = (psta->mac_id<<8)|1; /* MACID|OPMODE:1 connect */
1199 rtw_hal_set_hwreg(adapter, HW_VAR_H2C_MEDIA_STATUS_RPT, (u8 *)&media_status);
1200 }
1201
1202 void rtw_stassoc_event_callback(struct adapter *adapter, u8 *pbuf)
1203 {
1204 struct sta_info *psta;
1205 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
1206 struct stassoc_event *pstassoc = (struct stassoc_event *)pbuf;
1207 struct wlan_network *cur_network = &(pmlmepriv->cur_network);
1208 struct wlan_network *ptarget_wlan = NULL;
1209
1210 if (rtw_access_ctrl(adapter, pstassoc->macaddr) == false)
1211 return;
1212
1213 #if defined(CONFIG_88EU_AP_MODE)
1214 if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
1215 psta = rtw_get_stainfo(&adapter->stapriv, pstassoc->macaddr);
1216 if (psta) {
1217 ap_sta_info_defer_update(adapter, psta);
1218 rtw_stassoc_hw_rpt(adapter, psta);
1219 }
1220 return;
1221 }
1222 #endif
1223 /* for AD-HOC mode */
1224 psta = rtw_get_stainfo(&adapter->stapriv, pstassoc->macaddr);
1225 if (psta != NULL) {
1226 /* the sta have been in sta_info_queue => do nothing */
1227 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Error: rtw_stassoc_event_callback: sta has been in sta_hash_queue\n"));
1228 return; /* between drv has received this event before and fw have not yet to set key to CAM_ENTRY) */
1229 }
1230 psta = rtw_alloc_stainfo(&adapter->stapriv, pstassoc->macaddr);
1231 if (psta == NULL) {
1232 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Can't alloc sta_info when rtw_stassoc_event_callback\n"));
1233 return;
1234 }
1235 /* to do: init sta_info variable */
1236 psta->qos_option = 0;
1237 psta->mac_id = (uint)pstassoc->cam_id;
1238 DBG_88E("%s\n", __func__);
1239 /* for ad-hoc mode */
1240 rtw_hal_set_odm_var(adapter, HAL_ODM_STA_INFO, psta, true);
1241 rtw_stassoc_hw_rpt(adapter, psta);
1242 if (adapter->securitypriv.dot11AuthAlgrthm == dot11AuthAlgrthm_8021X)
1243 psta->dot118021XPrivacy = adapter->securitypriv.dot11PrivacyAlgrthm;
1244 psta->ieee8021x_blocked = false;
1245 spin_lock_bh(&pmlmepriv->lock);
1246 if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) ||
1247 (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE))) {
1248 if (adapter->stapriv.asoc_sta_count == 2) {
1249 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
1250 ptarget_wlan = rtw_find_network(&pmlmepriv->scanned_queue, cur_network->network.MacAddress);
1251 if (ptarget_wlan)
1252 ptarget_wlan->fixed = true;
1253 spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
1254 /* a sta + bc/mc_stainfo (not Ibss_stainfo) */
1255 rtw_indicate_connect(adapter);
1256 }
1257 }
1258 spin_unlock_bh(&pmlmepriv->lock);
1259 mlmeext_sta_add_event_callback(adapter, psta);
1260 }
1261
1262 void rtw_stadel_event_callback(struct adapter *adapter, u8 *pbuf)
1263 {
1264 int mac_id = -1;
1265 struct sta_info *psta;
1266 struct wlan_network *pwlan = NULL;
1267 struct wlan_bssid_ex *pdev_network = NULL;
1268 u8 *pibss = NULL;
1269 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
1270 struct stadel_event *pstadel = (struct stadel_event *)pbuf;
1271 struct sta_priv *pstapriv = &adapter->stapriv;
1272 struct wlan_network *tgt_network = &(pmlmepriv->cur_network);
1273
1274 psta = rtw_get_stainfo(&adapter->stapriv, pstadel->macaddr);
1275 if (psta)
1276 mac_id = psta->mac_id;
1277 else
1278 mac_id = pstadel->mac_id;
1279
1280 DBG_88E("%s(mac_id=%d)=%pM\n", __func__, mac_id, pstadel->macaddr);
1281
1282 if (mac_id >= 0) {
1283 u16 media_status;
1284 media_status = (mac_id<<8)|0; /* MACID|OPMODE:0 means disconnect */
1285 /* for STA, AP, ADHOC mode, report disconnect stauts to FW */
1286 rtw_hal_set_hwreg(adapter, HW_VAR_H2C_MEDIA_STATUS_RPT, (u8 *)&media_status);
1287 }
1288
1289 if (check_fwstate(pmlmepriv, WIFI_AP_STATE))
1290 return;
1291
1292 mlmeext_sta_del_event_callback(adapter);
1293
1294 spin_lock_bh(&pmlmepriv->lock);
1295
1296 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
1297 if (pmlmepriv->to_roaming > 0)
1298 pmlmepriv->to_roaming--; /* this stadel_event is caused by roaming, decrease to_roaming */
1299 else if (pmlmepriv->to_roaming == 0)
1300 pmlmepriv->to_roaming = adapter->registrypriv.max_roaming_times;
1301
1302 if (*((unsigned short *)(pstadel->rsvd)) != WLAN_REASON_EXPIRATION_CHK)
1303 pmlmepriv->to_roaming = 0; /* don't roam */
1304
1305 rtw_free_uc_swdec_pending_queue(adapter);
1306
1307 rtw_free_assoc_resources(adapter);
1308 rtw_indicate_disconnect(adapter);
1309 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
1310 /* remove the network entry in scanned_queue */
1311 pwlan = rtw_find_network(&pmlmepriv->scanned_queue, tgt_network->network.MacAddress);
1312 if (pwlan) {
1313 pwlan->fixed = false;
1314 rtw_free_network_nolock(pmlmepriv, pwlan);
1315 }
1316 spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
1317 _rtw_roaming(adapter, tgt_network);
1318 }
1319 if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) ||
1320 check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) {
1321 spin_lock_bh(&(pstapriv->sta_hash_lock));
1322 rtw_free_stainfo(adapter, psta);
1323 spin_unlock_bh(&pstapriv->sta_hash_lock);
1324
1325 if (adapter->stapriv.asoc_sta_count == 1) { /* a sta + bc/mc_stainfo (not Ibss_stainfo) */
1326 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
1327 /* free old ibss network */
1328 pwlan = rtw_find_network(&pmlmepriv->scanned_queue, tgt_network->network.MacAddress);
1329 if (pwlan) {
1330 pwlan->fixed = false;
1331 rtw_free_network_nolock(pmlmepriv, pwlan);
1332 }
1333 spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
1334 /* re-create ibss */
1335 pdev_network = &(adapter->registrypriv.dev_network);
1336 pibss = adapter->registrypriv.dev_network.MacAddress;
1337
1338 memcpy(pdev_network, &tgt_network->network, get_wlan_bssid_ex_sz(&tgt_network->network));
1339
1340 memcpy(&pdev_network->Ssid, &pmlmepriv->assoc_ssid, sizeof(struct ndis_802_11_ssid));
1341
1342 rtw_update_registrypriv_dev_network(adapter);
1343
1344 rtw_generate_random_ibss(pibss);
1345
1346 if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) {
1347 set_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE);
1348 _clr_fwstate_(pmlmepriv, WIFI_ADHOC_STATE);
1349 }
1350
1351 if (rtw_createbss_cmd(adapter) != _SUCCESS)
1352 RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_err_, ("***Error=>stadel_event_callback: rtw_createbss_cmd status FAIL***\n "));
1353 }
1354 }
1355 spin_unlock_bh(&pmlmepriv->lock);
1356 }
1357
1358 void rtw_cpwm_event_callback(struct adapter *padapter, u8 *pbuf)
1359 {
1360 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("+rtw_cpwm_event_callback !!!\n"));
1361 }
1362
1363 /*
1364 * _rtw_join_timeout_handler - Timeout/faliure handler for CMD JoinBss
1365 * @adapter: pointer to struct adapter structure
1366 */
1367 void _rtw_join_timeout_handler (unsigned long data)
1368 {
1369 struct adapter *adapter = (struct adapter *)data;
1370 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1371 int do_join_r;
1372
1373 DBG_88E("%s, fw_state=%x\n", __func__, get_fwstate(pmlmepriv));
1374
1375 if (adapter->bDriverStopped || adapter->bSurpriseRemoved)
1376 return;
1377
1378
1379 spin_lock_bh(&pmlmepriv->lock);
1380
1381 if (pmlmepriv->to_roaming > 0) { /* join timeout caused by roaming */
1382 while (1) {
1383 pmlmepriv->to_roaming--;
1384 if (pmlmepriv->to_roaming != 0) { /* try another , */
1385 DBG_88E("%s try another roaming\n", __func__);
1386 do_join_r = rtw_do_join(adapter);
1387 if (_SUCCESS != do_join_r) {
1388 DBG_88E("%s roaming do_join return %d\n", __func__, do_join_r);
1389 continue;
1390 }
1391 break;
1392 } else {
1393 DBG_88E("%s We've try roaming but fail\n", __func__);
1394 rtw_indicate_disconnect(adapter);
1395 break;
1396 }
1397 }
1398 } else {
1399 rtw_indicate_disconnect(adapter);
1400 free_scanqueue(pmlmepriv);/* */
1401 }
1402 spin_unlock_bh(&pmlmepriv->lock);
1403 }
1404
1405 /*
1406 * rtw_scan_timeout_handler - Timeout/Faliure handler for CMD SiteSurvey
1407 * @adapter: pointer to struct adapter structure
1408 */
1409 void rtw_scan_timeout_handler (unsigned long data)
1410 {
1411 struct adapter *adapter = (struct adapter *)data;
1412 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1413
1414 DBG_88E(FUNC_ADPT_FMT" fw_state=%x\n", FUNC_ADPT_ARG(adapter), get_fwstate(pmlmepriv));
1415 spin_lock_bh(&pmlmepriv->lock);
1416 _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY);
1417 spin_unlock_bh(&pmlmepriv->lock);
1418 rtw_indicate_scan_done(adapter, true);
1419 }
1420
1421 static void rtw_auto_scan_handler(struct adapter *padapter)
1422 {
1423 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1424
1425 /* auto site survey per 60sec */
1426 if (pmlmepriv->scan_interval > 0) {
1427 pmlmepriv->scan_interval--;
1428 if (pmlmepriv->scan_interval == 0) {
1429 DBG_88E("%s\n", __func__);
1430 rtw_set_802_11_bssid_list_scan(padapter, NULL, 0);
1431 pmlmepriv->scan_interval = SCAN_INTERVAL;/* 30*2 sec = 60sec */
1432 }
1433 }
1434 }
1435
1436 void rtw_dynamic_check_timer_handlder(unsigned long data)
1437 {
1438 struct adapter *adapter = (struct adapter *)data;
1439 struct registry_priv *pregistrypriv = &adapter->registrypriv;
1440
1441 if (!adapter)
1442 return;
1443 if (!adapter->hw_init_completed)
1444 goto exit;
1445 if ((adapter->bDriverStopped) || (adapter->bSurpriseRemoved))
1446 goto exit;
1447 if (adapter->net_closed)
1448 goto exit;
1449 rtw_dynamic_chk_wk_cmd(adapter);
1450
1451 if (pregistrypriv->wifi_spec == 1) {
1452 /* auto site survey */
1453 rtw_auto_scan_handler(adapter);
1454 }
1455 exit:
1456 mod_timer(&adapter->mlmepriv.dynamic_chk_timer,
1457 jiffies + msecs_to_jiffies(2000));
1458 }
1459
1460 #define RTW_SCAN_RESULT_EXPIRE 2000
1461
1462 /*
1463 * Select a new join candidate from the original @param candidate and @param competitor
1464 * @return true: candidate is updated
1465 * @return false: candidate is not updated
1466 */
1467 static int rtw_check_join_candidate(struct mlme_priv *pmlmepriv
1468 , struct wlan_network **candidate, struct wlan_network *competitor)
1469 {
1470 int updated = false;
1471 unsigned long since_scan;
1472 struct adapter *adapter = container_of(pmlmepriv, struct adapter, mlmepriv);
1473
1474
1475 /* check bssid, if needed */
1476 if (pmlmepriv->assoc_by_bssid) {
1477 if (memcmp(competitor->network.MacAddress, pmlmepriv->assoc_bssid, ETH_ALEN))
1478 goto exit;
1479 }
1480
1481 /* check ssid, if needed */
1482 if (pmlmepriv->assoc_ssid.SsidLength) {
1483 if (competitor->network.Ssid.SsidLength != pmlmepriv->assoc_ssid.SsidLength ||
1484 !memcmp(competitor->network.Ssid.Ssid, pmlmepriv->assoc_ssid.Ssid, pmlmepriv->assoc_ssid.SsidLength) == false)
1485 goto exit;
1486 }
1487
1488 if (rtw_is_desired_network(adapter, competitor) == false)
1489 goto exit;
1490
1491 if (pmlmepriv->to_roaming) {
1492 since_scan = jiffies - competitor->last_scanned;
1493 if (jiffies_to_msecs(since_scan) >= RTW_SCAN_RESULT_EXPIRE ||
1494 is_same_ess(&competitor->network, &pmlmepriv->cur_network.network) == false)
1495 goto exit;
1496 }
1497
1498 if (*candidate == NULL || (*candidate)->network.Rssi < competitor->network.Rssi) {
1499 *candidate = competitor;
1500 updated = true;
1501 }
1502 if (updated) {
1503 DBG_88E("[by_bssid:%u][assoc_ssid:%s]new candidate: %s(%pM rssi:%d\n",
1504 pmlmepriv->assoc_by_bssid,
1505 pmlmepriv->assoc_ssid.Ssid,
1506 (*candidate)->network.Ssid.Ssid,
1507 (*candidate)->network.MacAddress,
1508 (int)(*candidate)->network.Rssi);
1509 DBG_88E("[to_roaming:%u]\n", pmlmepriv->to_roaming);
1510 }
1511
1512 exit:
1513 return updated;
1514 }
1515
1516 /*
1517 Calling context:
1518 The caller of the sub-routine will be in critical section...
1519 The caller must hold the following spinlock
1520 pmlmepriv->lock
1521 */
1522
1523 int rtw_select_and_join_from_scanned_queue(struct mlme_priv *pmlmepriv)
1524 {
1525 int ret;
1526 struct list_head *phead;
1527 struct adapter *adapter;
1528 struct __queue *queue = &(pmlmepriv->scanned_queue);
1529 struct wlan_network *pnetwork = NULL;
1530 struct wlan_network *candidate = NULL;
1531 u8 supp_ant_div = false;
1532
1533 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
1534 phead = get_list_head(queue);
1535 adapter = (struct adapter *)pmlmepriv->nic_hdl;
1536 pmlmepriv->pscanned = phead->next;
1537 while (phead != pmlmepriv->pscanned) {
1538 pnetwork = container_of(pmlmepriv->pscanned, struct wlan_network, list);
1539 if (pnetwork == NULL) {
1540 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("%s return _FAIL:(pnetwork==NULL)\n", __func__));
1541 ret = _FAIL;
1542 goto exit;
1543 }
1544 pmlmepriv->pscanned = pmlmepriv->pscanned->next;
1545 rtw_check_join_candidate(pmlmepriv, &candidate, pnetwork);
1546 }
1547 if (candidate == NULL) {
1548 DBG_88E("%s: return _FAIL(candidate==NULL)\n", __func__);
1549 ret = _FAIL;
1550 goto exit;
1551 } else {
1552 DBG_88E("%s: candidate: %s(%pM ch:%u)\n", __func__,
1553 candidate->network.Ssid.Ssid, candidate->network.MacAddress,
1554 candidate->network.Configuration.DSConfig);
1555 }
1556
1557
1558 /* check for situation of _FW_LINKED */
1559 if (check_fwstate(pmlmepriv, _FW_LINKED) == true) {
1560 DBG_88E("%s: _FW_LINKED while ask_for_joinbss!!!\n", __func__);
1561
1562 rtw_disassoc_cmd(adapter, 0, true);
1563 rtw_indicate_disconnect(adapter);
1564 rtw_free_assoc_resources_locked(adapter);
1565 }
1566
1567 rtw_hal_get_def_var(adapter, HAL_DEF_IS_SUPPORT_ANT_DIV, &(supp_ant_div));
1568 if (supp_ant_div) {
1569 u8 cur_ant;
1570 rtw_hal_get_def_var(adapter, HAL_DEF_CURRENT_ANTENNA, &(cur_ant));
1571 DBG_88E("#### Opt_Ant_(%s), cur_Ant(%s)\n",
1572 (2 == candidate->network.PhyInfo.Optimum_antenna) ? "A" : "B",
1573 (2 == cur_ant) ? "A" : "B"
1574 );
1575 }
1576
1577 ret = rtw_joinbss_cmd(adapter, candidate);
1578
1579 exit:
1580 spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
1581 return ret;
1582 }
1583
1584 int rtw_set_auth(struct adapter *adapter, struct security_priv *psecuritypriv)
1585 {
1586 struct cmd_obj *pcmd;
1587 struct setauth_parm *psetauthparm;
1588 struct cmd_priv *pcmdpriv = &(adapter->cmdpriv);
1589 int res = _SUCCESS;
1590
1591 pcmd = kzalloc(sizeof(struct cmd_obj), GFP_KERNEL);
1592 if (pcmd == NULL) {
1593 res = _FAIL; /* try again */
1594 goto exit;
1595 }
1596
1597 psetauthparm = kzalloc(sizeof(struct setauth_parm), GFP_KERNEL);
1598 if (psetauthparm == NULL) {
1599 kfree(pcmd);
1600 res = _FAIL;
1601 goto exit;
1602 }
1603 memset(psetauthparm, 0, sizeof(struct setauth_parm));
1604 psetauthparm->mode = (unsigned char)psecuritypriv->dot11AuthAlgrthm;
1605 pcmd->cmdcode = _SetAuth_CMD_;
1606 pcmd->parmbuf = (unsigned char *)psetauthparm;
1607 pcmd->cmdsz = (sizeof(struct setauth_parm));
1608 pcmd->rsp = NULL;
1609 pcmd->rspsz = 0;
1610 INIT_LIST_HEAD(&pcmd->list);
1611 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
1612 ("after enqueue set_auth_cmd, auth_mode=%x\n",
1613 psecuritypriv->dot11AuthAlgrthm));
1614 res = rtw_enqueue_cmd(pcmdpriv, pcmd);
1615 exit:
1616 return res;
1617 }
1618
1619 int rtw_set_key(struct adapter *adapter, struct security_priv *psecuritypriv, int keyid, u8 set_tx)
1620 {
1621 u8 keylen;
1622 struct cmd_obj *pcmd;
1623 struct setkey_parm *psetkeyparm;
1624 struct cmd_priv *pcmdpriv = &(adapter->cmdpriv);
1625 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
1626 int res = _SUCCESS;
1627
1628 pcmd = kzalloc(sizeof(struct cmd_obj), GFP_KERNEL);
1629 if (pcmd == NULL)
1630 return _FAIL; /* try again */
1631
1632 psetkeyparm = kzalloc(sizeof(struct setkey_parm), GFP_KERNEL);
1633 if (psetkeyparm == NULL) {
1634 res = _FAIL;
1635 goto err_free_cmd;
1636 }
1637
1638 memset(psetkeyparm, 0, sizeof(struct setkey_parm));
1639
1640 if (psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) {
1641 psetkeyparm->algorithm = (unsigned char)psecuritypriv->dot118021XGrpPrivacy;
1642 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
1643 ("\n rtw_set_key: psetkeyparm->algorithm=(unsigned char)psecuritypriv->dot118021XGrpPrivacy=%d\n",
1644 psetkeyparm->algorithm));
1645 } else {
1646 psetkeyparm->algorithm = (u8)psecuritypriv->dot11PrivacyAlgrthm;
1647 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
1648 ("\n rtw_set_key: psetkeyparm->algorithm=(u8)psecuritypriv->dot11PrivacyAlgrthm=%d\n",
1649 psetkeyparm->algorithm));
1650 }
1651 psetkeyparm->keyid = (u8)keyid;/* 0~3 */
1652 psetkeyparm->set_tx = set_tx;
1653 pmlmepriv->key_mask |= BIT(psetkeyparm->keyid);
1654 DBG_88E("==> rtw_set_key algorithm(%x), keyid(%x), key_mask(%x)\n",
1655 psetkeyparm->algorithm, psetkeyparm->keyid, pmlmepriv->key_mask);
1656 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
1657 ("\n rtw_set_key: psetkeyparm->algorithm=%d psetkeyparm->keyid=(u8)keyid=%d\n",
1658 psetkeyparm->algorithm, keyid));
1659
1660 switch (psetkeyparm->algorithm) {
1661 case _WEP40_:
1662 keylen = 5;
1663 memcpy(&(psetkeyparm->key[0]), &(psecuritypriv->dot11DefKey[keyid].skey[0]), keylen);
1664 break;
1665 case _WEP104_:
1666 keylen = 13;
1667 memcpy(&(psetkeyparm->key[0]), &(psecuritypriv->dot11DefKey[keyid].skey[0]), keylen);
1668 break;
1669 case _TKIP_:
1670 keylen = 16;
1671 memcpy(&psetkeyparm->key, &psecuritypriv->dot118021XGrpKey[keyid], keylen);
1672 psetkeyparm->grpkey = 1;
1673 break;
1674 case _AES_:
1675 keylen = 16;
1676 memcpy(&psetkeyparm->key, &psecuritypriv->dot118021XGrpKey[keyid], keylen);
1677 psetkeyparm->grpkey = 1;
1678 break;
1679 default:
1680 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
1681 ("\n rtw_set_key:psecuritypriv->dot11PrivacyAlgrthm=%x (must be 1 or 2 or 4 or 5)\n",
1682 psecuritypriv->dot11PrivacyAlgrthm));
1683 res = _FAIL;
1684 goto err_free_parm;
1685 }
1686 pcmd->cmdcode = _SetKey_CMD_;
1687 pcmd->parmbuf = (u8 *)psetkeyparm;
1688 pcmd->cmdsz = (sizeof(struct setkey_parm));
1689 pcmd->rsp = NULL;
1690 pcmd->rspsz = 0;
1691 INIT_LIST_HEAD(&pcmd->list);
1692 res = rtw_enqueue_cmd(pcmdpriv, pcmd);
1693 return res;
1694
1695 err_free_parm:
1696 kfree(psetkeyparm);
1697 err_free_cmd:
1698 kfree(pcmd);
1699 return res;
1700 }
1701
1702 /* adjust IEs for rtw_joinbss_cmd in WMM */
1703 int rtw_restruct_wmm_ie(struct adapter *adapter, u8 *in_ie, u8 *out_ie, uint in_len, uint initial_out_len)
1704 {
1705 unsigned int ielength = 0;
1706 unsigned int i, j;
1707
1708 /* i = 12; after the fixed IE */
1709 for (i = 12; i < in_len; i += (in_ie[i + 1] + 2) /* to the next IE element */) {
1710 ielength = initial_out_len;
1711
1712 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) {
1713 /* WMM element ID and OUI */
1714 /* Append WMM IE to the last index of out_ie */
1715
1716 for (j = i; j < i + 9; j++) {
1717 out_ie[ielength] = in_ie[j];
1718 ielength++;
1719 }
1720 out_ie[initial_out_len + 1] = 0x07;
1721 out_ie[initial_out_len + 6] = 0x00;
1722 out_ie[initial_out_len + 8] = 0x00;
1723 break;
1724 }
1725 }
1726 return ielength;
1727 }
1728
1729 /*
1730 * Ported from 8185: IsInPreAuthKeyList().
1731 * (Renamed from SecIsInPreAuthKeyList(), 2006-10-13.)
1732 * Added by Annie, 2006-05-07.
1733 * Search by BSSID,
1734 * Return Value:
1735 * -1 :if there is no pre-auth key in the table
1736 * >= 0 :if there is pre-auth key, and return the entry id
1737 */
1738 static int SecIsInPMKIDList(struct adapter *Adapter, u8 *bssid)
1739 {
1740 struct security_priv *psecuritypriv = &Adapter->securitypriv;
1741 int i = 0;
1742
1743 do {
1744 if ((psecuritypriv->PMKIDList[i].bUsed) &&
1745 (!memcmp(psecuritypriv->PMKIDList[i].Bssid, bssid, ETH_ALEN))) {
1746 break;
1747 } else {
1748 i++;
1749 /* continue; */
1750 }
1751
1752 } while (i < NUM_PMKID_CACHE);
1753
1754 if (i == NUM_PMKID_CACHE)
1755 i = -1;/* Could not find. */
1756
1757 return i;
1758 }
1759
1760 /* */
1761 /* Check the RSN IE length */
1762 /* If the RSN IE length <= 20, the RSN IE didn't include the PMKID information */
1763 /* 0-11th element in the array are the fixed IE */
1764 /* 12th element in the array is the IE */
1765 /* 13th element in the array is the IE length */
1766 /* */
1767
1768 static int rtw_append_pmkid(struct adapter *Adapter, int iEntry, u8 *ie, uint ie_len)
1769 {
1770 struct security_priv *psecuritypriv = &Adapter->securitypriv;
1771
1772 if (ie[13] <= 20) {
1773 /* The RSN IE didn't include the PMK ID, append the PMK information */
1774 ie[ie_len] = 1;
1775 ie_len++;
1776 ie[ie_len] = 0; /* PMKID count = 0x0100 */
1777 ie_len++;
1778 memcpy(&ie[ie_len], &psecuritypriv->PMKIDList[iEntry].PMKID, 16);
1779
1780 ie_len += 16;
1781 ie[13] += 18;/* PMKID length = 2+16 */
1782 }
1783 return ie_len;
1784 }
1785
1786 int rtw_restruct_sec_ie(struct adapter *adapter, u8 *in_ie, u8 *out_ie, uint in_len)
1787 {
1788 u8 authmode;
1789 uint ielength;
1790 int iEntry;
1791
1792 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1793 struct security_priv *psecuritypriv = &adapter->securitypriv;
1794 uint ndisauthmode = psecuritypriv->ndisauthtype;
1795 uint ndissecuritytype = psecuritypriv->ndisencryptstatus;
1796
1797 RT_TRACE(_module_rtl871x_mlme_c_, _drv_notice_,
1798 ("+rtw_restruct_sec_ie: ndisauthmode=%d ndissecuritytype=%d\n",
1799 ndisauthmode, ndissecuritytype));
1800
1801 /* copy fixed ie only */
1802 memcpy(out_ie, in_ie, 12);
1803 ielength = 12;
1804 if ((ndisauthmode == Ndis802_11AuthModeWPA) ||
1805 (ndisauthmode == Ndis802_11AuthModeWPAPSK))
1806 authmode = _WPA_IE_ID_;
1807 if ((ndisauthmode == Ndis802_11AuthModeWPA2) ||
1808 (ndisauthmode == Ndis802_11AuthModeWPA2PSK))
1809 authmode = _WPA2_IE_ID_;
1810
1811 if (check_fwstate(pmlmepriv, WIFI_UNDER_WPS)) {
1812 memcpy(out_ie+ielength, psecuritypriv->wps_ie, psecuritypriv->wps_ie_len);
1813
1814 ielength += psecuritypriv->wps_ie_len;
1815 } else if ((authmode == _WPA_IE_ID_) || (authmode == _WPA2_IE_ID_)) {
1816 /* copy RSN or SSN */
1817 memcpy(&out_ie[ielength], &psecuritypriv->supplicant_ie[0], psecuritypriv->supplicant_ie[1]+2);
1818 ielength += psecuritypriv->supplicant_ie[1]+2;
1819 rtw_report_sec_ie(adapter, authmode, psecuritypriv->supplicant_ie);
1820 }
1821
1822 iEntry = SecIsInPMKIDList(adapter, pmlmepriv->assoc_bssid);
1823 if (iEntry < 0) {
1824 return ielength;
1825 } else {
1826 if (authmode == _WPA2_IE_ID_)
1827 ielength = rtw_append_pmkid(adapter, iEntry, out_ie, ielength);
1828 }
1829 return ielength;
1830 }
1831
1832 void rtw_init_registrypriv_dev_network(struct adapter *adapter)
1833 {
1834 struct registry_priv *pregistrypriv = &adapter->registrypriv;
1835 struct eeprom_priv *peepriv = &adapter->eeprompriv;
1836 struct wlan_bssid_ex *pdev_network = &pregistrypriv->dev_network;
1837 u8 *myhwaddr = myid(peepriv);
1838
1839 memcpy(pdev_network->MacAddress, myhwaddr, ETH_ALEN);
1840
1841 memcpy(&pdev_network->Ssid, &pregistrypriv->ssid, sizeof(struct ndis_802_11_ssid));
1842
1843 pdev_network->Configuration.Length = sizeof(struct ndis_802_11_config);
1844 pdev_network->Configuration.BeaconPeriod = 100;
1845 pdev_network->Configuration.FHConfig.Length = 0;
1846 pdev_network->Configuration.FHConfig.HopPattern = 0;
1847 pdev_network->Configuration.FHConfig.HopSet = 0;
1848 pdev_network->Configuration.FHConfig.DwellTime = 0;
1849 }
1850
1851 void rtw_update_registrypriv_dev_network(struct adapter *adapter)
1852 {
1853 int sz = 0;
1854 struct registry_priv *pregistrypriv = &adapter->registrypriv;
1855 struct wlan_bssid_ex *pdev_network = &pregistrypriv->dev_network;
1856 struct security_priv *psecuritypriv = &adapter->securitypriv;
1857 struct wlan_network *cur_network = &adapter->mlmepriv.cur_network;
1858
1859 pdev_network->Privacy = (psecuritypriv->dot11PrivacyAlgrthm > 0 ? 1 : 0); /* adhoc no 802.1x */
1860
1861 pdev_network->Rssi = 0;
1862
1863 switch (pregistrypriv->wireless_mode) {
1864 case WIRELESS_11B:
1865 pdev_network->NetworkTypeInUse = (Ndis802_11DS);
1866 break;
1867 case WIRELESS_11G:
1868 case WIRELESS_11BG:
1869 case WIRELESS_11_24N:
1870 case WIRELESS_11G_24N:
1871 case WIRELESS_11BG_24N:
1872 pdev_network->NetworkTypeInUse = (Ndis802_11OFDM24);
1873 break;
1874 case WIRELESS_11A:
1875 case WIRELESS_11A_5N:
1876 pdev_network->NetworkTypeInUse = (Ndis802_11OFDM5);
1877 break;
1878 case WIRELESS_11ABGN:
1879 if (pregistrypriv->channel > 14)
1880 pdev_network->NetworkTypeInUse = (Ndis802_11OFDM5);
1881 else
1882 pdev_network->NetworkTypeInUse = (Ndis802_11OFDM24);
1883 break;
1884 default:
1885 /* TODO */
1886 break;
1887 }
1888
1889 pdev_network->Configuration.DSConfig = (pregistrypriv->channel);
1890 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
1891 ("pregistrypriv->channel=%d, pdev_network->Configuration.DSConfig=0x%x\n",
1892 pregistrypriv->channel, pdev_network->Configuration.DSConfig));
1893
1894 if (cur_network->network.InfrastructureMode == Ndis802_11IBSS)
1895 pdev_network->Configuration.ATIMWindow = (0);
1896
1897 pdev_network->InfrastructureMode = (cur_network->network.InfrastructureMode);
1898
1899 /* 1. Supported rates */
1900 /* 2. IE */
1901
1902 sz = rtw_generate_ie(pregistrypriv);
1903 pdev_network->IELength = sz;
1904 pdev_network->Length = get_wlan_bssid_ex_sz((struct wlan_bssid_ex *)pdev_network);
1905
1906 /* notes: translate IELength & Length after assign the Length to cmdsz in createbss_cmd(); */
1907 /* pdev_network->IELength = cpu_to_le32(sz); */
1908 }
1909
1910 void rtw_get_encrypt_decrypt_from_registrypriv(struct adapter *adapter)
1911 {
1912 }
1913
1914 /* the function is at passive_level */
1915 void rtw_joinbss_reset(struct adapter *padapter)
1916 {
1917 u8 threshold;
1918 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1919 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
1920
1921 /* todo: if you want to do something io/reg/hw setting before join_bss, please add code here */
1922 pmlmepriv->num_FortyMHzIntolerant = 0;
1923
1924 pmlmepriv->num_sta_no_ht = 0;
1925
1926 phtpriv->ampdu_enable = false;/* reset to disabled */
1927
1928 /* TH = 1 => means that invalidate usb rx aggregation */
1929 /* TH = 0 => means that validate usb rx aggregation, use init value. */
1930 if (phtpriv->ht_option) {
1931 if (padapter->registrypriv.wifi_spec == 1)
1932 threshold = 1;
1933 else
1934 threshold = 0;
1935 rtw_hal_set_hwreg(padapter, HW_VAR_RXDMA_AGG_PG_TH, (u8 *)(&threshold));
1936 } else {
1937 threshold = 1;
1938 rtw_hal_set_hwreg(padapter, HW_VAR_RXDMA_AGG_PG_TH, (u8 *)(&threshold));
1939 }
1940 }
1941
1942 /* the function is >= passive_level */
1943 unsigned int rtw_restructure_ht_ie(struct adapter *padapter, u8 *in_ie, u8 *out_ie, uint in_len, uint *pout_len)
1944 {
1945 u32 ielen, out_len;
1946 enum ht_cap_ampdu_factor max_rx_ampdu_factor;
1947 unsigned char *p;
1948 struct rtw_ieee80211_ht_cap ht_capie;
1949 unsigned char WMM_IE[] = {0x00, 0x50, 0xf2, 0x02, 0x00, 0x01, 0x00};
1950 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1951 struct qos_priv *pqospriv = &pmlmepriv->qospriv;
1952 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
1953 u32 rx_packet_offset, max_recvbuf_sz;
1954
1955
1956 phtpriv->ht_option = false;
1957
1958 p = rtw_get_ie(in_ie+12, _HT_CAPABILITY_IE_, &ielen, in_len-12);
1959
1960 if (p && ielen > 0) {
1961 if (pqospriv->qos_option == 0) {
1962 out_len = *pout_len;
1963 rtw_set_ie(out_ie+out_len, _VENDOR_SPECIFIC_IE_,
1964 _WMM_IE_Length_, WMM_IE, pout_len);
1965
1966 pqospriv->qos_option = 1;
1967 }
1968
1969 out_len = *pout_len;
1970
1971 memset(&ht_capie, 0, sizeof(struct rtw_ieee80211_ht_cap));
1972
1973 ht_capie.cap_info = IEEE80211_HT_CAP_SUP_WIDTH |
1974 IEEE80211_HT_CAP_SGI_20 |
1975 IEEE80211_HT_CAP_SGI_40 |
1976 IEEE80211_HT_CAP_TX_STBC |
1977 IEEE80211_HT_CAP_DSSSCCK40;
1978
1979 rtw_hal_get_def_var(padapter, HAL_DEF_RX_PACKET_OFFSET, &rx_packet_offset);
1980 rtw_hal_get_def_var(padapter, HAL_DEF_MAX_RECVBUF_SZ, &max_recvbuf_sz);
1981
1982 /*
1983 AMPDU_para [1:0]:Max AMPDU Len => 0:8k , 1:16k, 2:32k, 3:64k
1984 AMPDU_para [4:2]:Min MPDU Start Spacing
1985 */
1986
1987 rtw_hal_get_def_var(padapter, HW_VAR_MAX_RX_AMPDU_FACTOR, &max_rx_ampdu_factor);
1988 ht_capie.ampdu_params_info = (max_rx_ampdu_factor&0x03);
1989
1990 if (padapter->securitypriv.dot11PrivacyAlgrthm == _AES_)
1991 ht_capie.ampdu_params_info |= (IEEE80211_HT_CAP_AMPDU_DENSITY&(0x07<<2));
1992 else
1993 ht_capie.ampdu_params_info |= (IEEE80211_HT_CAP_AMPDU_DENSITY&0x00);
1994
1995
1996 rtw_set_ie(out_ie+out_len, _HT_CAPABILITY_IE_,
1997 sizeof(struct rtw_ieee80211_ht_cap), (unsigned char *)&ht_capie, pout_len);
1998
1999 phtpriv->ht_option = true;
2000
2001 p = rtw_get_ie(in_ie+12, _HT_ADD_INFO_IE_, &ielen, in_len-12);
2002 if (p && (ielen == sizeof(struct ieee80211_ht_addt_info))) {
2003 out_len = *pout_len;
2004 rtw_set_ie(out_ie+out_len, _HT_ADD_INFO_IE_, ielen, p+2, pout_len);
2005 }
2006 }
2007 return phtpriv->ht_option;
2008 }
2009
2010 /* the function is > passive_level (in critical_section) */
2011 void rtw_update_ht_cap(struct adapter *padapter, u8 *pie, uint ie_len)
2012 {
2013 u8 *p, max_ampdu_sz;
2014 int len;
2015 struct rtw_ieee80211_ht_cap *pht_capie;
2016 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
2017 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
2018 struct registry_priv *pregistrypriv = &padapter->registrypriv;
2019 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
2020 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
2021
2022 if (!phtpriv->ht_option)
2023 return;
2024
2025 if ((!pmlmeinfo->HT_info_enable) || (!pmlmeinfo->HT_caps_enable))
2026 return;
2027
2028 DBG_88E("+rtw_update_ht_cap()\n");
2029
2030 /* maybe needs check if ap supports rx ampdu. */
2031 if ((!phtpriv->ampdu_enable) && (pregistrypriv->ampdu_enable == 1)) {
2032 if (pregistrypriv->wifi_spec == 1)
2033 phtpriv->ampdu_enable = false;
2034 else
2035 phtpriv->ampdu_enable = true;
2036 } else if (pregistrypriv->ampdu_enable == 2) {
2037 phtpriv->ampdu_enable = true;
2038 }
2039
2040
2041 /* check Max Rx A-MPDU Size */
2042 len = 0;
2043 p = rtw_get_ie(pie+sizeof(struct ndis_802_11_fixed_ie), _HT_CAPABILITY_IE_, &len, ie_len-sizeof(struct ndis_802_11_fixed_ie));
2044 if (p && len > 0) {
2045 pht_capie = (struct rtw_ieee80211_ht_cap *)(p+2);
2046 max_ampdu_sz = pht_capie->ampdu_params_info & IEEE80211_HT_CAP_AMPDU_FACTOR;
2047 max_ampdu_sz = 1 << (max_ampdu_sz+3); /* max_ampdu_sz (kbytes); */
2048 phtpriv->rx_ampdu_maxlen = max_ampdu_sz;
2049 }
2050 len = 0;
2051 p = rtw_get_ie(pie+sizeof(struct ndis_802_11_fixed_ie), _HT_ADD_INFO_IE_, &len, ie_len-sizeof(struct ndis_802_11_fixed_ie));
2052
2053 /* update cur_bwmode & cur_ch_offset */
2054 if ((pregistrypriv->cbw40_enable) &&
2055 (le16_to_cpu(pmlmeinfo->HT_caps.u.HT_cap_element.HT_caps_info) & BIT(1)) &&
2056 (pmlmeinfo->HT_info.infos[0] & BIT(2))) {
2057 int i;
2058 u8 rf_type;
2059
2060 padapter->HalFunc.GetHwRegHandler(padapter, HW_VAR_RF_TYPE, (u8 *)(&rf_type));
2061
2062 /* update the MCS rates */
2063 for (i = 0; i < 16; i++) {
2064 if ((rf_type == RF_1T1R) || (rf_type == RF_1T2R))
2065 pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate[i] &= MCS_rate_1R[i];
2066 else
2067 pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate[i] &= MCS_rate_2R[i];
2068 }
2069 /* switch to the 40M Hz mode according to the AP */
2070 pmlmeext->cur_bwmode = HT_CHANNEL_WIDTH_40;
2071 switch ((pmlmeinfo->HT_info.infos[0] & 0x3)) {
2072 case HT_EXTCHNL_OFFSET_UPPER:
2073 pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER;
2074 break;
2075 case HT_EXTCHNL_OFFSET_LOWER:
2076 pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_UPPER;
2077 break;
2078 default:
2079 pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
2080 break;
2081 }
2082 }
2083
2084 /* Config SM Power Save setting */
2085 pmlmeinfo->SM_PS = (le16_to_cpu(pmlmeinfo->HT_caps.u.HT_cap_element.HT_caps_info) & 0x0C) >> 2;
2086 if (pmlmeinfo->SM_PS == WLAN_HT_CAP_SM_PS_STATIC)
2087 DBG_88E("%s(): WLAN_HT_CAP_SM_PS_STATIC\n", __func__);
2088
2089 /* Config current HT Protection mode. */
2090 pmlmeinfo->HT_protection = pmlmeinfo->HT_info.infos[1] & 0x3;
2091 }
2092
2093 void rtw_issue_addbareq_cmd(struct adapter *padapter, struct xmit_frame *pxmitframe)
2094 {
2095 u8 issued;
2096 int priority;
2097 struct sta_info *psta = NULL;
2098 struct ht_priv *phtpriv;
2099 struct pkt_attrib *pattrib = &pxmitframe->attrib;
2100 s32 bmcst = IS_MCAST(pattrib->ra);
2101
2102 if (bmcst || (padapter->mlmepriv.LinkDetectInfo.NumTxOkInPeriod < 100))
2103 return;
2104
2105 priority = pattrib->priority;
2106
2107 if (pattrib->psta)
2108 psta = pattrib->psta;
2109 else
2110 psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra);
2111
2112 if (psta == NULL)
2113 return;
2114
2115 phtpriv = &psta->htpriv;
2116
2117 if ((phtpriv->ht_option) && (phtpriv->ampdu_enable)) {
2118 issued = (phtpriv->agg_enable_bitmap>>priority)&0x1;
2119 issued |= (phtpriv->candidate_tid_bitmap>>priority)&0x1;
2120
2121 if (0 == issued) {
2122 DBG_88E("rtw_issue_addbareq_cmd, p=%d\n", priority);
2123 psta->htpriv.candidate_tid_bitmap |= BIT((u8)priority);
2124 rtw_addbareq_cmd(padapter, (u8)priority, pattrib->ra);
2125 }
2126 }
2127 }
2128
2129 void rtw_roaming(struct adapter *padapter, struct wlan_network *tgt_network)
2130 {
2131 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
2132
2133 spin_lock_bh(&pmlmepriv->lock);
2134 _rtw_roaming(padapter, tgt_network);
2135 spin_unlock_bh(&pmlmepriv->lock);
2136 }
2137 void _rtw_roaming(struct adapter *padapter, struct wlan_network *tgt_network)
2138 {
2139 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
2140 int do_join_r;
2141
2142 struct wlan_network *pnetwork;
2143
2144 if (tgt_network != NULL)
2145 pnetwork = tgt_network;
2146 else
2147 pnetwork = &pmlmepriv->cur_network;
2148
2149 if (0 < pmlmepriv->to_roaming) {
2150 DBG_88E("roaming from %s(%pM length:%d\n",
2151 pnetwork->network.Ssid.Ssid, pnetwork->network.MacAddress,
2152 pnetwork->network.Ssid.SsidLength);
2153 memcpy(&pmlmepriv->assoc_ssid, &pnetwork->network.Ssid, sizeof(struct ndis_802_11_ssid));
2154
2155 pmlmepriv->assoc_by_bssid = false;
2156
2157 while (1) {
2158 do_join_r = rtw_do_join(padapter);
2159 if (_SUCCESS == do_join_r) {
2160 break;
2161 } else {
2162 DBG_88E("roaming do_join return %d\n", do_join_r);
2163 pmlmepriv->to_roaming--;
2164
2165 if (0 < pmlmepriv->to_roaming) {
2166 continue;
2167 } else {
2168 DBG_88E("%s(%d) -to roaming fail, indicate_disconnect\n", __func__, __LINE__);
2169 rtw_indicate_disconnect(padapter);
2170 break;
2171 }
2172 }
2173 }
2174 }
2175 }
Linux kernel - Deliverables
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