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