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