1 // SPDX-License-Identifier: GPL-2.0
2 /******************************************************************************
3 *
4 * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
5 *
6 ******************************************************************************/
7 #include <linux/etherdevice.h>
8 #include <drv_types.h>
9 #include <rtw_debug.h>
10 #include <hal_btcoex.h>
11 #include <linux/jiffies.h>
12
rtw_init_mlme_priv(struct adapter * padapter)13 int rtw_init_mlme_priv(struct adapter *padapter)
14 {
15 int i;
16 u8 *pbuf;
17 struct wlan_network *pnetwork;
18 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
19 int res = _SUCCESS;
20
21 pmlmepriv->nic_hdl = (u8 *)padapter;
22
23 pmlmepriv->pscanned = NULL;
24 pmlmepriv->fw_state = WIFI_STATION_STATE; /* Must sync with rtw_wdev_alloc() */
25 /* wdev->iftype = NL80211_IFTYPE_STATION */
26 pmlmepriv->cur_network.network.infrastructure_mode = Ndis802_11AutoUnknown;
27 pmlmepriv->scan_mode = SCAN_ACTIVE;/* 1: active, 0: passive. Maybe someday we should rename this varable to "active_mode" (Jeff) */
28
29 spin_lock_init(&pmlmepriv->lock);
30 INIT_LIST_HEAD(&pmlmepriv->free_bss_pool.queue);
31 spin_lock_init(&pmlmepriv->free_bss_pool.lock);
32 INIT_LIST_HEAD(&pmlmepriv->scanned_queue.queue);
33 spin_lock_init(&pmlmepriv->scanned_queue.lock);
34
35 memset(&pmlmepriv->assoc_ssid, 0, sizeof(struct ndis_802_11_ssid));
36
37 pbuf = vzalloc(array_size(MAX_BSS_CNT, sizeof(struct wlan_network)));
38
39 if (!pbuf) {
40 res = _FAIL;
41 goto exit;
42 }
43 pmlmepriv->free_bss_buf = pbuf;
44
45 pnetwork = (struct wlan_network *)pbuf;
46
47 for (i = 0; i < MAX_BSS_CNT; i++) {
48 INIT_LIST_HEAD(&pnetwork->list);
49
50 list_add_tail(&pnetwork->list, &pmlmepriv->free_bss_pool.queue);
51
52 pnetwork++;
53 }
54
55 /* allocate DMA-able/Non-Page memory for cmd_buf and rsp_buf */
56
57 rtw_clear_scan_deny(padapter);
58
59 #define RTW_ROAM_SCAN_RESULT_EXP_MS 5000
60 #define RTW_ROAM_RSSI_DIFF_TH 10
61 #define RTW_ROAM_SCAN_INTERVAL_MS 10000
62
63 pmlmepriv->roam_flags = 0
64 | RTW_ROAM_ON_EXPIRED
65 | RTW_ROAM_ON_RESUME
66 ;
67
68 pmlmepriv->roam_scanr_exp_ms = RTW_ROAM_SCAN_RESULT_EXP_MS;
69 pmlmepriv->roam_rssi_diff_th = RTW_ROAM_RSSI_DIFF_TH;
70 pmlmepriv->roam_scan_int_ms = RTW_ROAM_SCAN_INTERVAL_MS;
71
72 rtw_init_mlme_timer(padapter);
73
74 exit:
75
76 return res;
77 }
78
rtw_free_mlme_ie_data(u8 ** ppie,u32 * plen)79 static void rtw_free_mlme_ie_data(u8 **ppie, u32 *plen)
80 {
81 if (*ppie) {
82 kfree(*ppie);
83 *plen = 0;
84 *ppie = NULL;
85 }
86 }
87
rtw_free_mlme_priv_ie_data(struct mlme_priv * pmlmepriv)88 void rtw_free_mlme_priv_ie_data(struct mlme_priv *pmlmepriv)
89 {
90 rtw_buf_free(&pmlmepriv->assoc_req, &pmlmepriv->assoc_req_len);
91 rtw_buf_free(&pmlmepriv->assoc_rsp, &pmlmepriv->assoc_rsp_len);
92 rtw_free_mlme_ie_data(&pmlmepriv->wps_beacon_ie, &pmlmepriv->wps_beacon_ie_len);
93 rtw_free_mlme_ie_data(&pmlmepriv->wps_probe_req_ie, &pmlmepriv->wps_probe_req_ie_len);
94 rtw_free_mlme_ie_data(&pmlmepriv->wps_probe_resp_ie, &pmlmepriv->wps_probe_resp_ie_len);
95 rtw_free_mlme_ie_data(&pmlmepriv->wps_assoc_resp_ie, &pmlmepriv->wps_assoc_resp_ie_len);
96
97 rtw_free_mlme_ie_data(&pmlmepriv->p2p_beacon_ie, &pmlmepriv->p2p_beacon_ie_len);
98 rtw_free_mlme_ie_data(&pmlmepriv->p2p_probe_req_ie, &pmlmepriv->p2p_probe_req_ie_len);
99 rtw_free_mlme_ie_data(&pmlmepriv->p2p_probe_resp_ie, &pmlmepriv->p2p_probe_resp_ie_len);
100 rtw_free_mlme_ie_data(&pmlmepriv->p2p_go_probe_resp_ie, &pmlmepriv->p2p_go_probe_resp_ie_len);
101 rtw_free_mlme_ie_data(&pmlmepriv->p2p_assoc_req_ie, &pmlmepriv->p2p_assoc_req_ie_len);
102 }
103
_rtw_free_mlme_priv(struct mlme_priv * pmlmepriv)104 void _rtw_free_mlme_priv(struct mlme_priv *pmlmepriv)
105 {
106 if (pmlmepriv) {
107 rtw_free_mlme_priv_ie_data(pmlmepriv);
108 vfree(pmlmepriv->free_bss_buf);
109 }
110 }
111
112 /*
113 struct wlan_network *_rtw_dequeue_network(struct __queue *queue)
114 {
115 _irqL irqL;
116
117 struct wlan_network *pnetwork;
118
119 spin_lock_bh(&queue->lock);
120
121 if (list_empty(&queue->queue))
122
123 pnetwork = NULL;
124
125 else
126 {
127 pnetwork = container_of(get_next(&queue->queue), struct wlan_network, list);
128
129 list_del_init(&(pnetwork->list));
130 }
131
132 spin_unlock_bh(&queue->lock);
133
134 return pnetwork;
135 }
136 */
137
rtw_alloc_network(struct mlme_priv * pmlmepriv)138 struct wlan_network *rtw_alloc_network(struct mlme_priv *pmlmepriv)
139 {
140 struct wlan_network *pnetwork;
141 struct __queue *free_queue = &pmlmepriv->free_bss_pool;
142 struct list_head *plist = NULL;
143
144 spin_lock_bh(&free_queue->lock);
145
146 if (list_empty(&free_queue->queue)) {
147 pnetwork = NULL;
148 goto exit;
149 }
150 plist = get_next(&(free_queue->queue));
151
152 pnetwork = container_of(plist, struct wlan_network, list);
153
154 list_del_init(&pnetwork->list);
155
156 pnetwork->network_type = 0;
157 pnetwork->fixed = false;
158 pnetwork->last_scanned = jiffies;
159 pnetwork->aid = 0;
160 pnetwork->join_res = 0;
161
162 exit:
163 spin_unlock_bh(&free_queue->lock);
164
165 return pnetwork;
166 }
167
_rtw_free_network(struct mlme_priv * pmlmepriv,struct wlan_network * pnetwork,u8 isfreeall)168 void _rtw_free_network(struct mlme_priv *pmlmepriv, struct wlan_network *pnetwork, u8 isfreeall)
169 {
170 unsigned int delta_time;
171 u32 lifetime = SCANQUEUE_LIFETIME;
172 /* _irqL irqL; */
173 struct __queue *free_queue = &(pmlmepriv->free_bss_pool);
174
175 if (!pnetwork)
176 return;
177
178 if (pnetwork->fixed)
179 return;
180
181 if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == true) ||
182 (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true))
183 lifetime = 1;
184
185 if (!isfreeall) {
186 delta_time = jiffies_to_msecs(jiffies - pnetwork->last_scanned);
187 if (delta_time < lifetime)/* unit:msec */
188 return;
189 }
190
191 spin_lock_bh(&free_queue->lock);
192
193 list_del_init(&(pnetwork->list));
194
195 list_add_tail(&(pnetwork->list), &(free_queue->queue));
196
197 spin_unlock_bh(&free_queue->lock);
198 }
199
_rtw_free_network_nolock(struct mlme_priv * pmlmepriv,struct wlan_network * pnetwork)200 void _rtw_free_network_nolock(struct mlme_priv *pmlmepriv, struct wlan_network *pnetwork)
201 {
202
203 struct __queue *free_queue = &(pmlmepriv->free_bss_pool);
204
205 if (!pnetwork)
206 return;
207
208 if (pnetwork->fixed)
209 return;
210
211 /* spin_lock_irqsave(&free_queue->lock, irqL); */
212
213 list_del_init(&(pnetwork->list));
214
215 list_add_tail(&(pnetwork->list), get_list_head(free_queue));
216
217 /* spin_unlock_irqrestore(&free_queue->lock, irqL); */
218 }
219
220 /*
221 return the wlan_network with the matching addr
222
223 Shall be called under atomic context... to avoid possible racing condition...
224 */
_rtw_find_network(struct __queue * scanned_queue,u8 * addr)225 struct wlan_network *_rtw_find_network(struct __queue *scanned_queue, u8 *addr)
226 {
227 struct list_head *phead, *plist;
228 struct wlan_network *pnetwork = NULL;
229
230 if (is_zero_ether_addr(addr)) {
231 pnetwork = NULL;
232 goto exit;
233 }
234
235 /* spin_lock_bh(&scanned_queue->lock); */
236
237 phead = get_list_head(scanned_queue);
238 list_for_each(plist, phead) {
239 pnetwork = list_entry(plist, struct wlan_network, list);
240
241 if (!memcmp(addr, pnetwork->network.mac_address, ETH_ALEN))
242 break;
243 }
244
245 if (plist == phead)
246 pnetwork = NULL;
247
248 /* spin_unlock_bh(&scanned_queue->lock); */
249
250 exit:
251 return pnetwork;
252 }
253
rtw_free_network_queue(struct adapter * padapter,u8 isfreeall)254 void rtw_free_network_queue(struct adapter *padapter, u8 isfreeall)
255 {
256 struct list_head *phead, *plist, *tmp;
257 struct wlan_network *pnetwork;
258 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
259 struct __queue *scanned_queue = &pmlmepriv->scanned_queue;
260
261 spin_lock_bh(&scanned_queue->lock);
262
263 phead = get_list_head(scanned_queue);
264 list_for_each_safe(plist, tmp, phead) {
265
266 pnetwork = list_entry(plist, struct wlan_network, list);
267
268 _rtw_free_network(pmlmepriv, pnetwork, isfreeall);
269
270 }
271
272 spin_unlock_bh(&scanned_queue->lock);
273 }
274
rtw_if_up(struct adapter * padapter)275 signed int rtw_if_up(struct adapter *padapter)
276 {
277 signed int res;
278
279 if (padapter->bDriverStopped || padapter->bSurpriseRemoved ||
280 (check_fwstate(&padapter->mlmepriv, _FW_LINKED) == false))
281 res = false;
282 else
283 res = true;
284
285 return res;
286 }
287
rtw_generate_random_ibss(u8 * pibss)288 void rtw_generate_random_ibss(u8 *pibss)
289 {
290 unsigned long curtime = jiffies;
291
292 pibss[0] = 0x02; /* in ad-hoc mode bit1 must set to 1 */
293 pibss[1] = 0x11;
294 pibss[2] = 0x87;
295 pibss[3] = (u8)(curtime & 0xff) ;/* p[0]; */
296 pibss[4] = (u8)((curtime>>8) & 0xff) ;/* p[1]; */
297 pibss[5] = (u8)((curtime>>16) & 0xff) ;/* p[2]; */
298 }
299
rtw_get_capability_from_ie(u8 * ie)300 u8 *rtw_get_capability_from_ie(u8 *ie)
301 {
302 return ie + 8 + 2;
303 }
304
rtw_get_capability(struct wlan_bssid_ex * bss)305 u16 rtw_get_capability(struct wlan_bssid_ex *bss)
306 {
307 __le16 val;
308
309 memcpy((u8 *)&val, rtw_get_capability_from_ie(bss->ies), 2);
310
311 return le16_to_cpu(val);
312 }
313
rtw_get_beacon_interval_from_ie(u8 * ie)314 u8 *rtw_get_beacon_interval_from_ie(u8 *ie)
315 {
316 return ie + 8;
317 }
318
rtw_free_mlme_priv(struct mlme_priv * pmlmepriv)319 void rtw_free_mlme_priv(struct mlme_priv *pmlmepriv)
320 {
321 _rtw_free_mlme_priv(pmlmepriv);
322 }
323
324 /*
325 static struct wlan_network *rtw_dequeue_network(struct __queue *queue)
326 {
327 struct wlan_network *pnetwork;
328
329 pnetwork = _rtw_dequeue_network(queue);
330 return pnetwork;
331 }
332 */
333
334 void rtw_free_network_nolock(struct adapter *padapter, struct wlan_network *pnetwork);
rtw_free_network_nolock(struct adapter * padapter,struct wlan_network * pnetwork)335 void rtw_free_network_nolock(struct adapter *padapter, struct wlan_network *pnetwork)
336 {
337 _rtw_free_network_nolock(&(padapter->mlmepriv), pnetwork);
338 rtw_cfg80211_unlink_bss(padapter, pnetwork);
339 }
340
341 /*
342 return the wlan_network with the matching addr
343
344 Shall be called under atomic context... to avoid possible racing condition...
345 */
rtw_find_network(struct __queue * scanned_queue,u8 * addr)346 struct wlan_network *rtw_find_network(struct __queue *scanned_queue, u8 *addr)
347 {
348 struct wlan_network *pnetwork = _rtw_find_network(scanned_queue, addr);
349
350 return pnetwork;
351 }
352
rtw_is_same_ibss(struct adapter * adapter,struct wlan_network * pnetwork)353 int rtw_is_same_ibss(struct adapter *adapter, struct wlan_network *pnetwork)
354 {
355 int ret = true;
356 struct security_priv *psecuritypriv = &adapter->securitypriv;
357
358 if ((psecuritypriv->dot11PrivacyAlgrthm != _NO_PRIVACY_) &&
359 (pnetwork->network.privacy == 0))
360 ret = false;
361 else if ((psecuritypriv->dot11PrivacyAlgrthm == _NO_PRIVACY_) &&
362 (pnetwork->network.privacy == 1))
363 ret = false;
364 else
365 ret = true;
366
367 return ret;
368
369 }
370
is_same_ess(struct wlan_bssid_ex * a,struct wlan_bssid_ex * b)371 inline int is_same_ess(struct wlan_bssid_ex *a, struct wlan_bssid_ex *b)
372 {
373 return (a->ssid.ssid_length == b->ssid.ssid_length)
374 && !memcmp(a->ssid.ssid, b->ssid.ssid, a->ssid.ssid_length);
375 }
376
is_same_network(struct wlan_bssid_ex * src,struct wlan_bssid_ex * dst,u8 feature)377 int is_same_network(struct wlan_bssid_ex *src, struct wlan_bssid_ex *dst, u8 feature)
378 {
379 u16 s_cap, d_cap;
380 __le16 tmps, tmpd;
381
382 if (rtw_bug_check(dst, src, &s_cap, &d_cap) == false)
383 return false;
384
385 memcpy((u8 *)&tmps, rtw_get_capability_from_ie(src->ies), 2);
386 memcpy((u8 *)&tmpd, rtw_get_capability_from_ie(dst->ies), 2);
387
388 s_cap = le16_to_cpu(tmps);
389 d_cap = le16_to_cpu(tmpd);
390
391 return (src->ssid.ssid_length == dst->ssid.ssid_length) &&
392 /* (src->configuration.ds_config == dst->configuration.ds_config) && */
393 ((!memcmp(src->mac_address, dst->mac_address, ETH_ALEN))) &&
394 ((!memcmp(src->ssid.ssid, dst->ssid.ssid, src->ssid.ssid_length))) &&
395 ((s_cap & WLAN_CAPABILITY_IBSS) ==
396 (d_cap & WLAN_CAPABILITY_IBSS)) &&
397 ((s_cap & WLAN_CAPABILITY_ESS) ==
398 (d_cap & WLAN_CAPABILITY_ESS));
399
400 }
401
_rtw_find_same_network(struct __queue * scanned_queue,struct wlan_network * network)402 struct wlan_network *_rtw_find_same_network(struct __queue *scanned_queue, struct wlan_network *network)
403 {
404 struct list_head *phead, *plist;
405 struct wlan_network *found = NULL;
406
407 phead = get_list_head(scanned_queue);
408 list_for_each(plist, phead) {
409 found = list_entry(plist, struct wlan_network, list);
410
411 if (is_same_network(&network->network, &found->network, 0))
412 break;
413 }
414
415 if (plist == phead)
416 found = NULL;
417
418 return found;
419 }
420
rtw_get_oldest_wlan_network(struct __queue * scanned_queue)421 struct wlan_network *rtw_get_oldest_wlan_network(struct __queue *scanned_queue)
422 {
423 struct list_head *plist, *phead;
424
425 struct wlan_network *pwlan = NULL;
426 struct wlan_network *oldest = NULL;
427
428 phead = get_list_head(scanned_queue);
429
430 list_for_each(plist, phead) {
431
432 pwlan = list_entry(plist, struct wlan_network, list);
433
434 if (!pwlan->fixed) {
435 if (!oldest || time_after(oldest->last_scanned, pwlan->last_scanned))
436 oldest = pwlan;
437 }
438 }
439 return oldest;
440
441 }
442
update_network(struct wlan_bssid_ex * dst,struct wlan_bssid_ex * src,struct adapter * padapter,bool update_ie)443 void update_network(struct wlan_bssid_ex *dst, struct wlan_bssid_ex *src,
444 struct adapter *padapter, bool update_ie)
445 {
446 long rssi_ori = dst->rssi;
447
448 u8 sq_smp = src->phy_info.signal_quality;
449
450 u8 ss_final;
451 u8 sq_final;
452 long rssi_final;
453
454 /* The rule below is 1/5 for sample value, 4/5 for history value */
455 if (check_fwstate(&padapter->mlmepriv, _FW_LINKED) && is_same_network(&(padapter->mlmepriv.cur_network.network), src, 0)) {
456 /* Take the recvpriv's value for the connected AP*/
457 ss_final = padapter->recvpriv.signal_strength;
458 sq_final = padapter->recvpriv.signal_qual;
459 /* the rssi value here is undecorated, and will be used for antenna diversity */
460 if (sq_smp != 101) /* from the right channel */
461 rssi_final = (src->rssi+dst->rssi*4)/5;
462 else
463 rssi_final = rssi_ori;
464 } else {
465 if (sq_smp != 101) { /* from the right channel */
466 ss_final = ((u32)(src->phy_info.signal_strength)+(u32)(dst->phy_info.signal_strength)*4)/5;
467 sq_final = ((u32)(src->phy_info.signal_quality)+(u32)(dst->phy_info.signal_quality)*4)/5;
468 rssi_final = (src->rssi+dst->rssi*4)/5;
469 } else {
470 /* bss info not receiving from the right channel, use the original RX signal infos */
471 ss_final = dst->phy_info.signal_strength;
472 sq_final = dst->phy_info.signal_quality;
473 rssi_final = dst->rssi;
474 }
475
476 }
477
478 if (update_ie) {
479 dst->reserved[0] = src->reserved[0];
480 dst->reserved[1] = src->reserved[1];
481 memcpy((u8 *)dst, (u8 *)src, get_wlan_bssid_ex_sz(src));
482 }
483
484 dst->phy_info.signal_strength = ss_final;
485 dst->phy_info.signal_quality = sq_final;
486 dst->rssi = rssi_final;
487 }
488
update_current_network(struct adapter * adapter,struct wlan_bssid_ex * pnetwork)489 static void update_current_network(struct adapter *adapter, struct wlan_bssid_ex *pnetwork)
490 {
491 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
492
493 rtw_bug_check(&(pmlmepriv->cur_network.network),
494 &(pmlmepriv->cur_network.network),
495 &(pmlmepriv->cur_network.network),
496 &(pmlmepriv->cur_network.network));
497
498 if ((check_fwstate(pmlmepriv, _FW_LINKED) == true) && (is_same_network(&(pmlmepriv->cur_network.network), pnetwork, 0))) {
499 /* if (pmlmepriv->cur_network.network.ie_length<= pnetwork->ie_length) */
500 {
501 update_network(&(pmlmepriv->cur_network.network), pnetwork, adapter, true);
502 rtw_update_protection(adapter, (pmlmepriv->cur_network.network.ies) + sizeof(struct ndis_802_11_fix_ie),
503 pmlmepriv->cur_network.network.ie_length);
504 }
505 }
506 }
507
508 /*
509 Caller must hold pmlmepriv->lock first.
510 */
rtw_update_scanned_network(struct adapter * adapter,struct wlan_bssid_ex * target)511 void rtw_update_scanned_network(struct adapter *adapter, struct wlan_bssid_ex *target)
512 {
513 struct list_head *plist, *phead;
514 u32 bssid_ex_sz;
515 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
516 struct __queue *queue = &(pmlmepriv->scanned_queue);
517 struct wlan_network *pnetwork = NULL;
518 struct wlan_network *oldest = NULL;
519 int target_find = 0;
520 u8 feature = 0;
521
522 spin_lock_bh(&queue->lock);
523 phead = get_list_head(queue);
524 list_for_each(plist, phead) {
525 pnetwork = list_entry(plist, struct wlan_network, list);
526
527 rtw_bug_check(pnetwork, pnetwork, pnetwork, pnetwork);
528
529 if (is_same_network(&(pnetwork->network), target, feature)) {
530 target_find = 1;
531 break;
532 }
533
534 if (rtw_roam_flags(adapter)) {
535 /* TODO: don't select network in the same ess as oldest if it's new enough*/
536 }
537
538 if (!oldest || time_after(oldest->last_scanned, pnetwork->last_scanned))
539 oldest = pnetwork;
540
541 }
542
543 /* If we didn't find a match, then get a new network slot to initialize
544 * with this beacon's information */
545 /* if (phead == plist) { */
546 if (!target_find) {
547 if (list_empty(&pmlmepriv->free_bss_pool.queue)) {
548 /* If there are no more slots, expire the oldest */
549 /* list_del_init(&oldest->list); */
550 pnetwork = oldest;
551 if (!pnetwork)
552 goto exit;
553
554 memcpy(&(pnetwork->network), target, get_wlan_bssid_ex_sz(target));
555 /* variable initialize */
556 pnetwork->fixed = false;
557 pnetwork->last_scanned = jiffies;
558
559 pnetwork->network_type = 0;
560 pnetwork->aid = 0;
561 pnetwork->join_res = 0;
562
563 /* bss info not receiving from the right channel */
564 if (pnetwork->network.phy_info.signal_quality == 101)
565 pnetwork->network.phy_info.signal_quality = 0;
566 } else {
567 /* Otherwise just pull from the free list */
568
569 pnetwork = rtw_alloc_network(pmlmepriv); /* will update scan_time */
570
571 if (!pnetwork)
572 goto exit;
573
574 bssid_ex_sz = get_wlan_bssid_ex_sz(target);
575 target->length = bssid_ex_sz;
576 memcpy(&(pnetwork->network), target, bssid_ex_sz);
577
578 pnetwork->last_scanned = jiffies;
579
580 /* bss info not receiving from the right channel */
581 if (pnetwork->network.phy_info.signal_quality == 101)
582 pnetwork->network.phy_info.signal_quality = 0;
583
584 list_add_tail(&(pnetwork->list), &(queue->queue));
585
586 }
587 } else {
588 /* we have an entry and we are going to update it. But this entry may
589 * be already expired. In this case we do the same as we found a new
590 * net and call the new_net handler
591 */
592 bool update_ie = true;
593
594 pnetwork->last_scanned = jiffies;
595
596 /* target.reserved[0]== 1, means that scanned network is a bcn frame. */
597 if (pnetwork->network.ie_length > target->ie_length && target->reserved[0] == 1)
598 update_ie = false;
599
600 /* probe resp(3) > beacon(1) > probe req(2) */
601 if (target->reserved[0] != 2 &&
602 target->reserved[0] >= pnetwork->network.reserved[0]) {
603 update_ie = true;
604 } else {
605 update_ie = false;
606 }
607
608 update_network(&(pnetwork->network), target, adapter, update_ie);
609 }
610
611 exit:
612 spin_unlock_bh(&queue->lock);
613 }
614
615 void rtw_add_network(struct adapter *adapter, struct wlan_bssid_ex *pnetwork);
rtw_add_network(struct adapter * adapter,struct wlan_bssid_ex * pnetwork)616 void rtw_add_network(struct adapter *adapter, struct wlan_bssid_ex *pnetwork)
617 {
618 /* struct __queue *queue = &(pmlmepriv->scanned_queue); */
619
620 /* spin_lock_bh(&queue->lock); */
621
622 update_current_network(adapter, pnetwork);
623
624 rtw_update_scanned_network(adapter, pnetwork);
625
626 /* spin_unlock_bh(&queue->lock); */
627 }
628
629 /* select the desired network based on the capability of the (i)bss. */
630 /* check items: (1) security */
631 /* (2) network_type */
632 /* (3) WMM */
633 /* (4) HT */
634 /* (5) others */
635 int rtw_is_desired_network(struct adapter *adapter, struct wlan_network *pnetwork);
rtw_is_desired_network(struct adapter * adapter,struct wlan_network * pnetwork)636 int rtw_is_desired_network(struct adapter *adapter, struct wlan_network *pnetwork)
637 {
638 struct security_priv *psecuritypriv = &adapter->securitypriv;
639 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
640 u32 desired_encmode;
641 u32 privacy;
642
643 /* u8 wps_ie[512]; */
644 uint wps_ielen;
645
646 int bselected = true;
647
648 desired_encmode = psecuritypriv->ndisencryptstatus;
649 privacy = pnetwork->network.privacy;
650
651 if (check_fwstate(pmlmepriv, WIFI_UNDER_WPS)) {
652 if (rtw_get_wps_ie(pnetwork->network.ies+_FIXED_IE_LENGTH_, pnetwork->network.ie_length-_FIXED_IE_LENGTH_, NULL, &wps_ielen))
653 return true;
654 else
655 return false;
656
657 }
658 if (adapter->registrypriv.wifi_spec == 1) { /* for correct flow of 8021X to do.... */
659 u8 *p = NULL;
660 uint ie_len = 0;
661
662 if ((desired_encmode == Ndis802_11EncryptionDisabled) && (privacy != 0))
663 bselected = false;
664
665 if (psecuritypriv->ndisauthtype == Ndis802_11AuthModeWPA2PSK) {
666 p = rtw_get_ie(pnetwork->network.ies + _BEACON_IE_OFFSET_, WLAN_EID_RSN, &ie_len, (pnetwork->network.ie_length - _BEACON_IE_OFFSET_));
667 if (p && ie_len > 0)
668 bselected = true;
669 else
670 bselected = false;
671 }
672 }
673
674 if ((desired_encmode != Ndis802_11EncryptionDisabled) && (privacy == 0))
675 bselected = false;
676
677 if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true) {
678 if (pnetwork->network.infrastructure_mode != pmlmepriv->cur_network.network.infrastructure_mode)
679 bselected = false;
680 }
681
682 return bselected;
683 }
684
685 /* TODO: Perry : For Power Management */
rtw_atimdone_event_callback(struct adapter * adapter,u8 * pbuf)686 void rtw_atimdone_event_callback(struct adapter *adapter, u8 *pbuf)
687 {
688 }
689
rtw_survey_event_callback(struct adapter * adapter,u8 * pbuf)690 void rtw_survey_event_callback(struct adapter *adapter, u8 *pbuf)
691 {
692 u32 len;
693 struct wlan_bssid_ex *pnetwork;
694 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
695
696 pnetwork = (struct wlan_bssid_ex *)pbuf;
697
698 len = get_wlan_bssid_ex_sz(pnetwork);
699 if (len > (sizeof(struct wlan_bssid_ex)))
700 return;
701
702 spin_lock_bh(&pmlmepriv->lock);
703
704 /* update IBSS_network 's timestamp */
705 if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) == true) {
706 if (!memcmp(&(pmlmepriv->cur_network.network.mac_address), pnetwork->mac_address, ETH_ALEN)) {
707 struct wlan_network *ibss_wlan = NULL;
708
709 memcpy(pmlmepriv->cur_network.network.ies, pnetwork->ies, 8);
710 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
711 ibss_wlan = rtw_find_network(&pmlmepriv->scanned_queue, pnetwork->mac_address);
712 if (ibss_wlan) {
713 memcpy(ibss_wlan->network.ies, pnetwork->ies, 8);
714 spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
715 goto exit;
716 }
717 spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
718 }
719 }
720
721 /* lock pmlmepriv->lock when you accessing network_q */
722 if ((check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) == false) {
723 if (pnetwork->ssid.ssid[0] == 0)
724 pnetwork->ssid.ssid_length = 0;
725 rtw_add_network(adapter, pnetwork);
726 }
727
728 exit:
729
730 spin_unlock_bh(&pmlmepriv->lock);
731 }
732
rtw_surveydone_event_callback(struct adapter * adapter,u8 * pbuf)733 void rtw_surveydone_event_callback(struct adapter *adapter, u8 *pbuf)
734 {
735 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
736
737 spin_lock_bh(&pmlmepriv->lock);
738 if (pmlmepriv->wps_probe_req_ie) {
739 pmlmepriv->wps_probe_req_ie_len = 0;
740 kfree(pmlmepriv->wps_probe_req_ie);
741 pmlmepriv->wps_probe_req_ie = NULL;
742 }
743
744 if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY)) {
745 spin_unlock_bh(&pmlmepriv->lock);
746 del_timer_sync(&pmlmepriv->scan_to_timer);
747 spin_lock_bh(&pmlmepriv->lock);
748 _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY);
749 }
750
751 rtw_set_signal_stat_timer(&adapter->recvpriv);
752
753 if (pmlmepriv->to_join) {
754 if ((check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true)) {
755 if (check_fwstate(pmlmepriv, _FW_LINKED) == false) {
756 set_fwstate(pmlmepriv, _FW_UNDER_LINKING);
757
758 if (rtw_select_and_join_from_scanned_queue(pmlmepriv) == _SUCCESS) {
759 _set_timer(&pmlmepriv->assoc_timer, MAX_JOIN_TIMEOUT);
760 } else {
761 u8 ret = _SUCCESS;
762 struct wlan_bssid_ex *pdev_network = &(adapter->registrypriv.dev_network);
763 u8 *pibss = adapter->registrypriv.dev_network.mac_address;
764
765 /* pmlmepriv->fw_state ^= _FW_UNDER_SURVEY;because don't set assoc_timer */
766 _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY);
767
768 memcpy(&pdev_network->ssid, &pmlmepriv->assoc_ssid, sizeof(struct ndis_802_11_ssid));
769
770 rtw_update_registrypriv_dev_network(adapter);
771 rtw_generate_random_ibss(pibss);
772
773 pmlmepriv->fw_state = WIFI_ADHOC_MASTER_STATE;
774
775 pmlmepriv->to_join = false;
776
777 ret = rtw_createbss_cmd(adapter);
778 if (ret != _SUCCESS)
779 goto unlock;
780 }
781 }
782 } else {
783 int s_ret;
784
785 set_fwstate(pmlmepriv, _FW_UNDER_LINKING);
786 pmlmepriv->to_join = false;
787 s_ret = rtw_select_and_join_from_scanned_queue(pmlmepriv);
788 if (s_ret == _SUCCESS) {
789 _set_timer(&pmlmepriv->assoc_timer, MAX_JOIN_TIMEOUT);
790 } else if (s_ret == 2) {/* there is no need to wait for join */
791 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
792 rtw_indicate_connect(adapter);
793 } else {
794 if (rtw_to_roam(adapter) != 0) {
795 if (rtw_dec_to_roam(adapter) == 0
796 || _SUCCESS != rtw_sitesurvey_cmd(adapter, &pmlmepriv->assoc_ssid, 1, NULL, 0)
797 ) {
798 rtw_set_to_roam(adapter, 0);
799 rtw_free_assoc_resources(adapter, 1);
800 rtw_indicate_disconnect(adapter);
801 } else {
802 pmlmepriv->to_join = true;
803 }
804 } else
805 rtw_indicate_disconnect(adapter);
806
807 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
808 }
809 }
810 } else {
811 if (rtw_chk_roam_flags(adapter, RTW_ROAM_ACTIVE)) {
812 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)
813 && check_fwstate(pmlmepriv, _FW_LINKED)) {
814 if (rtw_select_roaming_candidate(pmlmepriv) == _SUCCESS) {
815 receive_disconnect(adapter, pmlmepriv->cur_network.network.mac_address
816 , WLAN_REASON_ACTIVE_ROAM);
817 }
818 }
819 }
820 }
821
822 unlock:
823 spin_unlock_bh(&pmlmepriv->lock);
824
825 rtw_os_xmit_schedule(adapter);
826
827 rtw_cfg80211_surveydone_event_callback(adapter);
828
829 rtw_indicate_scan_done(adapter, false);
830 }
831
rtw_dummy_event_callback(struct adapter * adapter,u8 * pbuf)832 void rtw_dummy_event_callback(struct adapter *adapter, u8 *pbuf)
833 {
834 }
835
rtw_fwdbg_event_callback(struct adapter * adapter,u8 * pbuf)836 void rtw_fwdbg_event_callback(struct adapter *adapter, u8 *pbuf)
837 {
838 }
839
free_scanqueue(struct mlme_priv * pmlmepriv)840 static void free_scanqueue(struct mlme_priv *pmlmepriv)
841 {
842 struct __queue *free_queue = &pmlmepriv->free_bss_pool;
843 struct __queue *scan_queue = &pmlmepriv->scanned_queue;
844 struct list_head *plist, *phead, *ptemp;
845
846 spin_lock_bh(&scan_queue->lock);
847 spin_lock_bh(&free_queue->lock);
848
849 phead = get_list_head(scan_queue);
850 plist = get_next(phead);
851
852 while (plist != phead) {
853 ptemp = get_next(plist);
854 list_del_init(plist);
855 list_add_tail(plist, &free_queue->queue);
856 plist = ptemp;
857 }
858
859 spin_unlock_bh(&free_queue->lock);
860 spin_unlock_bh(&scan_queue->lock);
861 }
862
rtw_reset_rx_info(struct debug_priv * pdbgpriv)863 static void rtw_reset_rx_info(struct debug_priv *pdbgpriv)
864 {
865 pdbgpriv->dbg_rx_ampdu_drop_count = 0;
866 pdbgpriv->dbg_rx_ampdu_forced_indicate_count = 0;
867 pdbgpriv->dbg_rx_ampdu_loss_count = 0;
868 pdbgpriv->dbg_rx_dup_mgt_frame_drop_count = 0;
869 pdbgpriv->dbg_rx_ampdu_window_shift_cnt = 0;
870 }
871
find_network(struct adapter * adapter)872 static void find_network(struct adapter *adapter)
873 {
874 struct wlan_network *pwlan = NULL;
875 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
876 struct wlan_network *tgt_network = &pmlmepriv->cur_network;
877
878 pwlan = rtw_find_network(&pmlmepriv->scanned_queue, tgt_network->network.mac_address);
879 if (pwlan)
880 pwlan->fixed = false;
881
882 if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) &&
883 (adapter->stapriv.asoc_sta_count == 1))
884 rtw_free_network_nolock(adapter, pwlan);
885 }
886
887 /*
888 *rtw_free_assoc_resources: the caller has to lock pmlmepriv->lock
889 */
rtw_free_assoc_resources(struct adapter * adapter,int lock_scanned_queue)890 void rtw_free_assoc_resources(struct adapter *adapter, int lock_scanned_queue)
891 {
892 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
893 struct wlan_network *tgt_network = &pmlmepriv->cur_network;
894 struct dvobj_priv *psdpriv = adapter->dvobj;
895 struct debug_priv *pdbgpriv = &psdpriv->drv_dbg;
896
897 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE|WIFI_AP_STATE)) {
898 struct sta_info *psta;
899
900 psta = rtw_get_stainfo(&adapter->stapriv, tgt_network->network.mac_address);
901 rtw_free_stainfo(adapter, psta);
902 }
903
904 if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE|WIFI_ADHOC_MASTER_STATE|WIFI_AP_STATE)) {
905 struct sta_info *psta;
906
907 rtw_free_all_stainfo(adapter);
908
909 psta = rtw_get_bcmc_stainfo(adapter);
910 rtw_free_stainfo(adapter, psta);
911
912 rtw_init_bcmc_stainfo(adapter);
913 }
914
915 find_network(adapter);
916
917 if (lock_scanned_queue)
918 adapter->securitypriv.key_mask = 0;
919
920 rtw_reset_rx_info(pdbgpriv);
921 }
922
923 /*
924 *rtw_indicate_connect: the caller has to lock pmlmepriv->lock
925 */
rtw_indicate_connect(struct adapter * padapter)926 void rtw_indicate_connect(struct adapter *padapter)
927 {
928 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
929
930 pmlmepriv->to_join = false;
931
932 if (!check_fwstate(&padapter->mlmepriv, _FW_LINKED)) {
933
934 set_fwstate(pmlmepriv, _FW_LINKED);
935
936 rtw_os_indicate_connect(padapter);
937 }
938
939 rtw_set_to_roam(padapter, 0);
940 rtw_set_scan_deny(padapter, 3000);
941
942 }
943
944 /*
945 *rtw_indicate_disconnect: the caller has to lock pmlmepriv->lock
946 */
rtw_indicate_disconnect(struct adapter * padapter)947 void rtw_indicate_disconnect(struct adapter *padapter)
948 {
949 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
950
951 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING|WIFI_UNDER_WPS);
952
953 if (rtw_to_roam(padapter) > 0)
954 _clr_fwstate_(pmlmepriv, _FW_LINKED);
955
956 if (check_fwstate(&padapter->mlmepriv, _FW_LINKED)
957 || (rtw_to_roam(padapter) <= 0)
958 ) {
959 rtw_os_indicate_disconnect(padapter);
960
961 /* set ips_deny_time to avoid enter IPS before LPS leave */
962 rtw_set_ips_deny(padapter, 3000);
963
964 _clr_fwstate_(pmlmepriv, _FW_LINKED);
965
966 rtw_clear_scan_deny(padapter);
967 }
968
969 rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_DISCONNECT, 1);
970 }
971
rtw_indicate_scan_done(struct adapter * padapter,bool aborted)972 inline void rtw_indicate_scan_done(struct adapter *padapter, bool aborted)
973 {
974 rtw_os_indicate_scan_done(padapter, aborted);
975
976 if (is_primary_adapter(padapter) &&
977 (!adapter_to_pwrctl(padapter)->bInSuspend) &&
978 (!check_fwstate(&padapter->mlmepriv,
979 WIFI_ASOC_STATE|WIFI_UNDER_LINKING))) {
980 rtw_set_ips_deny(padapter, 0);
981 _set_timer(&padapter->mlmepriv.dynamic_chk_timer, 1);
982 }
983 }
984
rtw_scan_abort(struct adapter * adapter)985 void rtw_scan_abort(struct adapter *adapter)
986 {
987 unsigned long start;
988 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
989 struct mlme_ext_priv *pmlmeext = &(adapter->mlmeextpriv);
990
991 start = jiffies;
992 pmlmeext->scan_abort = true;
993 while (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY)
994 && jiffies_to_msecs(start) <= 200) {
995
996 if (adapter->bDriverStopped || adapter->bSurpriseRemoved)
997 break;
998
999 msleep(20);
1000 }
1001
1002 if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY))
1003 rtw_indicate_scan_done(adapter, true);
1004
1005 pmlmeext->scan_abort = false;
1006 }
1007
rtw_joinbss_update_stainfo(struct adapter * padapter,struct wlan_network * pnetwork)1008 static struct sta_info *rtw_joinbss_update_stainfo(struct adapter *padapter, struct wlan_network *pnetwork)
1009 {
1010 int i;
1011 struct sta_info *bmc_sta, *psta = NULL;
1012 struct recv_reorder_ctrl *preorder_ctrl;
1013 struct sta_priv *pstapriv = &padapter->stapriv;
1014 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1015
1016 psta = rtw_get_stainfo(pstapriv, pnetwork->network.mac_address);
1017 if (!psta)
1018 psta = rtw_alloc_stainfo(pstapriv, pnetwork->network.mac_address);
1019
1020 if (psta) { /* update ptarget_sta */
1021
1022 psta->aid = pnetwork->join_res;
1023
1024 update_sta_info(padapter, psta);
1025
1026 /* update station supportRate */
1027 psta->bssratelen = rtw_get_rateset_len(pnetwork->network.supported_rates);
1028 memcpy(psta->bssrateset, pnetwork->network.supported_rates, psta->bssratelen);
1029 rtw_hal_update_sta_rate_mask(padapter, psta);
1030
1031 psta->wireless_mode = pmlmeext->cur_wireless_mode;
1032 psta->raid = networktype_to_raid_ex(padapter, psta);
1033
1034 /* sta mode */
1035 rtw_hal_set_odm_var(padapter, HAL_ODM_STA_INFO, psta, true);
1036
1037 /* security related */
1038 if (padapter->securitypriv.dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) {
1039 padapter->securitypriv.binstallGrpkey = false;
1040 padapter->securitypriv.busetkipkey = false;
1041 padapter->securitypriv.bgrpkey_handshake = false;
1042
1043 psta->ieee8021x_blocked = true;
1044 psta->dot118021XPrivacy = padapter->securitypriv.dot11PrivacyAlgrthm;
1045
1046 memset((u8 *)&psta->dot118021x_UncstKey, 0, sizeof(union Keytype));
1047
1048 memset((u8 *)&psta->dot11tkiprxmickey, 0, sizeof(union Keytype));
1049 memset((u8 *)&psta->dot11tkiptxmickey, 0, sizeof(union Keytype));
1050
1051 memset((u8 *)&psta->dot11txpn, 0, sizeof(union pn48));
1052 psta->dot11txpn.val = psta->dot11txpn.val + 1;
1053 memset((u8 *)&psta->dot11wtxpn, 0, sizeof(union pn48));
1054 memset((u8 *)&psta->dot11rxpn, 0, sizeof(union pn48));
1055 }
1056
1057 /* Commented by Albert 2012/07/21 */
1058 /* When doing the WPS, the wps_ie_len won't equal to 0 */
1059 /* And the Wi-Fi driver shouldn't allow the data packet to be transmitted. */
1060 if (padapter->securitypriv.wps_ie_len != 0) {
1061 psta->ieee8021x_blocked = true;
1062 padapter->securitypriv.wps_ie_len = 0;
1063 }
1064
1065 /* for A-MPDU Rx reordering buffer control for bmc_sta & sta_info */
1066 /* if A-MPDU Rx is enabled, resetting rx_ordering_ctrl wstart_b(indicate_seq) to default value = 0xffff */
1067 /* todo: check if AP can send A-MPDU packets */
1068 for (i = 0; i < 16 ; i++) {
1069 /* preorder_ctrl = &precvpriv->recvreorder_ctrl[i]; */
1070 preorder_ctrl = &psta->recvreorder_ctrl[i];
1071 preorder_ctrl->enable = false;
1072 preorder_ctrl->indicate_seq = 0xffff;
1073 preorder_ctrl->wend_b = 0xffff;
1074 preorder_ctrl->wsize_b = 64;/* max_ampdu_sz;ex. 32(kbytes) -> wsize_b =32 */
1075 }
1076
1077 bmc_sta = rtw_get_bcmc_stainfo(padapter);
1078 if (bmc_sta) {
1079 for (i = 0; i < 16 ; i++) {
1080 /* preorder_ctrl = &precvpriv->recvreorder_ctrl[i]; */
1081 preorder_ctrl = &bmc_sta->recvreorder_ctrl[i];
1082 preorder_ctrl->enable = false;
1083 preorder_ctrl->indicate_seq = 0xffff;
1084 preorder_ctrl->wend_b = 0xffff;
1085 preorder_ctrl->wsize_b = 64;/* max_ampdu_sz;ex. 32(kbytes) -> wsize_b =32 */
1086 }
1087 }
1088 }
1089
1090 return psta;
1091
1092 }
1093
1094 /* pnetwork : returns from rtw_joinbss_event_callback */
1095 /* ptarget_wlan: found from scanned_queue */
rtw_joinbss_update_network(struct adapter * padapter,struct wlan_network * ptarget_wlan,struct wlan_network * pnetwork)1096 static void rtw_joinbss_update_network(struct adapter *padapter, struct wlan_network *ptarget_wlan, struct wlan_network *pnetwork)
1097 {
1098 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
1099 struct wlan_network *cur_network = &(pmlmepriv->cur_network);
1100
1101 /* why not use ptarget_wlan?? */
1102 memcpy(&cur_network->network, &pnetwork->network, pnetwork->network.length);
1103 /* some ies in pnetwork is wrong, so we should use ptarget_wlan ies */
1104 cur_network->network.ie_length = ptarget_wlan->network.ie_length;
1105 memcpy(&cur_network->network.ies[0], &ptarget_wlan->network.ies[0], MAX_IE_SZ);
1106
1107 cur_network->aid = pnetwork->join_res;
1108
1109 rtw_set_signal_stat_timer(&padapter->recvpriv);
1110
1111 padapter->recvpriv.signal_strength = ptarget_wlan->network.phy_info.signal_strength;
1112 padapter->recvpriv.signal_qual = ptarget_wlan->network.phy_info.signal_quality;
1113 /* the ptarget_wlan->network.rssi is raw data, we use ptarget_wlan->network.phy_info.signal_strength instead (has scaled) */
1114 padapter->recvpriv.rssi = translate_percentage_to_dbm(ptarget_wlan->network.phy_info.signal_strength);
1115
1116 rtw_set_signal_stat_timer(&padapter->recvpriv);
1117
1118 /* update fw_state will clr _FW_UNDER_LINKING here indirectly */
1119 switch (pnetwork->network.infrastructure_mode) {
1120 case Ndis802_11Infrastructure:
1121
1122 if (pmlmepriv->fw_state&WIFI_UNDER_WPS)
1123 pmlmepriv->fw_state = WIFI_STATION_STATE|WIFI_UNDER_WPS;
1124 else
1125 pmlmepriv->fw_state = WIFI_STATION_STATE;
1126
1127 break;
1128 case Ndis802_11IBSS:
1129 pmlmepriv->fw_state = WIFI_ADHOC_STATE;
1130 break;
1131 default:
1132 pmlmepriv->fw_state = WIFI_NULL_STATE;
1133 break;
1134 }
1135
1136 rtw_update_protection(padapter, (cur_network->network.ies) + sizeof(struct ndis_802_11_fix_ie),
1137 (cur_network->network.ie_length));
1138
1139 rtw_update_ht_cap(padapter, cur_network->network.ies, cur_network->network.ie_length, (u8) cur_network->network.configuration.ds_config);
1140 }
1141
1142 /* Notes: the function could be > passive_level (the same context as Rx tasklet) */
1143 /* pnetwork : returns from rtw_joinbss_event_callback */
1144 /* ptarget_wlan: found from scanned_queue */
1145 /* if join_res > 0, for (fw_state ==WIFI_STATION_STATE), we check if "ptarget_sta" & "ptarget_wlan" exist. */
1146 /* if join_res > 0, for (fw_state ==WIFI_ADHOC_STATE), we only check if "ptarget_wlan" exist. */
1147 /* if join_res > 0, update "cur_network->network" from "pnetwork->network" if (ptarget_wlan != NULL). */
1148 /* */
1149 /* define REJOIN */
rtw_joinbss_event_prehandle(struct adapter * adapter,u8 * pbuf)1150 void rtw_joinbss_event_prehandle(struct adapter *adapter, u8 *pbuf)
1151 {
1152 static u8 __maybe_unused retry;
1153 struct sta_info *ptarget_sta = NULL, *pcur_sta = NULL;
1154 struct sta_priv *pstapriv = &adapter->stapriv;
1155 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
1156 struct wlan_network *pnetwork = (struct wlan_network *)pbuf;
1157 struct wlan_network *cur_network = &(pmlmepriv->cur_network);
1158 struct wlan_network *pcur_wlan = NULL, *ptarget_wlan = NULL;
1159 unsigned int the_same_macaddr = false;
1160
1161 rtw_get_encrypt_decrypt_from_registrypriv(adapter);
1162
1163 the_same_macaddr = !memcmp(pnetwork->network.mac_address, cur_network->network.mac_address, ETH_ALEN);
1164
1165 pnetwork->network.length = get_wlan_bssid_ex_sz(&pnetwork->network);
1166 if (pnetwork->network.length > sizeof(struct wlan_bssid_ex))
1167 return;
1168
1169 spin_lock_bh(&pmlmepriv->lock);
1170
1171 pmlmepriv->LinkDetectInfo.TrafficTransitionCount = 0;
1172 pmlmepriv->LinkDetectInfo.LowPowerTransitionCount = 0;
1173
1174 if (pnetwork->join_res > 0) {
1175 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
1176 retry = 0;
1177 if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) {
1178 /* s1. find ptarget_wlan */
1179 if (check_fwstate(pmlmepriv, _FW_LINKED)) {
1180 if (the_same_macaddr) {
1181 ptarget_wlan = rtw_find_network(&pmlmepriv->scanned_queue, cur_network->network.mac_address);
1182 } else {
1183 pcur_wlan = rtw_find_network(&pmlmepriv->scanned_queue, cur_network->network.mac_address);
1184 if (pcur_wlan)
1185 pcur_wlan->fixed = false;
1186
1187 pcur_sta = rtw_get_stainfo(pstapriv, cur_network->network.mac_address);
1188 if (pcur_sta)
1189 rtw_free_stainfo(adapter, pcur_sta);
1190
1191 ptarget_wlan = rtw_find_network(&pmlmepriv->scanned_queue, pnetwork->network.mac_address);
1192 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
1193 if (ptarget_wlan)
1194 ptarget_wlan->fixed = true;
1195 }
1196 }
1197
1198 } else {
1199 ptarget_wlan = _rtw_find_same_network(&pmlmepriv->scanned_queue, pnetwork);
1200 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
1201 if (ptarget_wlan)
1202 ptarget_wlan->fixed = true;
1203 }
1204 }
1205
1206 /* s2. update cur_network */
1207 if (ptarget_wlan) {
1208 rtw_joinbss_update_network(adapter, ptarget_wlan, pnetwork);
1209 } else {
1210 netdev_dbg(adapter->pnetdev,
1211 "Can't find ptarget_wlan when joinbss_event callback\n");
1212 spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
1213 goto ignore_joinbss_callback;
1214 }
1215
1216 /* s3. find ptarget_sta & update ptarget_sta after update cur_network only for station mode */
1217 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
1218 ptarget_sta = rtw_joinbss_update_stainfo(adapter, pnetwork);
1219 if (!ptarget_sta) {
1220 spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
1221 goto ignore_joinbss_callback;
1222 }
1223 }
1224
1225 /* s4. indicate connect */
1226 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
1227 pmlmepriv->cur_network_scanned = ptarget_wlan;
1228 rtw_indicate_connect(adapter);
1229 }
1230
1231 spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
1232
1233 spin_unlock_bh(&pmlmepriv->lock);
1234 /* s5. Cancel assoc_timer */
1235 del_timer_sync(&pmlmepriv->assoc_timer);
1236 spin_lock_bh(&pmlmepriv->lock);
1237 } else {
1238 spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
1239 }
1240 } else if (pnetwork->join_res == -4) {
1241 rtw_reset_securitypriv(adapter);
1242 _set_timer(&pmlmepriv->assoc_timer, 1);
1243
1244 /* rtw_free_assoc_resources(adapter, 1); */
1245
1246 if ((check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) == true)
1247 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
1248
1249 } else {/* if join_res < 0 (join fails), then try again */
1250
1251 #ifdef REJOIN
1252 res = _FAIL;
1253 if (retry < 2)
1254 res = rtw_select_and_join_from_scanned_queue(pmlmepriv);
1255
1256 if (res == _SUCCESS) {
1257 /* extend time of assoc_timer */
1258 _set_timer(&pmlmepriv->assoc_timer, MAX_JOIN_TIMEOUT);
1259 retry++;
1260 } else if (res == 2) {/* there is no need to wait for join */
1261 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
1262 rtw_indicate_connect(adapter);
1263 } else {
1264 #endif
1265
1266 _set_timer(&pmlmepriv->assoc_timer, 1);
1267 /* rtw_free_assoc_resources(adapter, 1); */
1268 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
1269
1270 #ifdef REJOIN
1271 retry = 0;
1272 }
1273 #endif
1274 }
1275
1276 ignore_joinbss_callback:
1277
1278 spin_unlock_bh(&pmlmepriv->lock);
1279 }
1280
rtw_joinbss_event_callback(struct adapter * adapter,u8 * pbuf)1281 void rtw_joinbss_event_callback(struct adapter *adapter, u8 *pbuf)
1282 {
1283 struct wlan_network *pnetwork = (struct wlan_network *)pbuf;
1284
1285 mlmeext_joinbss_event_callback(adapter, pnetwork->join_res);
1286
1287 rtw_os_xmit_schedule(adapter);
1288 }
1289
1290 /* FOR STA, AP , AD-HOC mode */
rtw_sta_media_status_rpt(struct adapter * adapter,struct sta_info * psta,u32 mstatus)1291 void rtw_sta_media_status_rpt(struct adapter *adapter, struct sta_info *psta, u32 mstatus)
1292 {
1293 u16 media_status_rpt;
1294
1295 if (!psta)
1296 return;
1297
1298 media_status_rpt = (u16)((psta->mac_id<<8)|mstatus); /* MACID|OPMODE:1 connect */
1299 rtw_hal_set_hwreg(adapter, HW_VAR_H2C_MEDIA_STATUS_RPT, (u8 *)&media_status_rpt);
1300 }
1301
rtw_stassoc_event_callback(struct adapter * adapter,u8 * pbuf)1302 void rtw_stassoc_event_callback(struct adapter *adapter, u8 *pbuf)
1303 {
1304 struct sta_info *psta;
1305 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
1306 struct stassoc_event *pstassoc = (struct stassoc_event *)pbuf;
1307 struct wlan_network *cur_network = &(pmlmepriv->cur_network);
1308 struct wlan_network *ptarget_wlan = NULL;
1309
1310 if (rtw_access_ctrl(adapter, pstassoc->macaddr) == false)
1311 return;
1312
1313 if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
1314 psta = rtw_get_stainfo(&adapter->stapriv, pstassoc->macaddr);
1315 if (psta) {
1316 u8 *passoc_req = NULL;
1317 u32 assoc_req_len = 0;
1318
1319 rtw_sta_media_status_rpt(adapter, psta, 1);
1320
1321 ap_sta_info_defer_update(adapter, psta);
1322
1323 /* report to upper layer */
1324 spin_lock_bh(&psta->lock);
1325 if (psta->passoc_req && psta->assoc_req_len > 0) {
1326 passoc_req = rtw_zmalloc(psta->assoc_req_len);
1327 if (passoc_req) {
1328 assoc_req_len = psta->assoc_req_len;
1329 memcpy(passoc_req, psta->passoc_req, assoc_req_len);
1330
1331 kfree(psta->passoc_req);
1332 psta->passoc_req = NULL;
1333 psta->assoc_req_len = 0;
1334 }
1335 }
1336 spin_unlock_bh(&psta->lock);
1337
1338 if (passoc_req && assoc_req_len > 0) {
1339 rtw_cfg80211_indicate_sta_assoc(adapter, passoc_req, assoc_req_len);
1340
1341 kfree(passoc_req);
1342 }
1343 }
1344 return;
1345 }
1346
1347 /* for AD-HOC mode */
1348 psta = rtw_get_stainfo(&adapter->stapriv, pstassoc->macaddr);
1349 if (psta) {
1350 /* the sta have been in sta_info_queue => do nothing */
1351
1352 return; /* between drv has received this event before and fw have not yet to set key to CAM_ENTRY) */
1353 }
1354
1355 psta = rtw_alloc_stainfo(&adapter->stapriv, pstassoc->macaddr);
1356 if (!psta)
1357 return;
1358
1359 /* to do : init sta_info variable */
1360 psta->qos_option = 0;
1361 psta->mac_id = (uint)pstassoc->cam_id;
1362 /* psta->aid = (uint)pstassoc->cam_id; */
1363
1364 /* for ad-hoc mode */
1365 rtw_hal_set_odm_var(adapter, HAL_ODM_STA_INFO, psta, true);
1366
1367 rtw_sta_media_status_rpt(adapter, psta, 1);
1368
1369 if (adapter->securitypriv.dot11AuthAlgrthm == dot11AuthAlgrthm_8021X)
1370 psta->dot118021XPrivacy = adapter->securitypriv.dot11PrivacyAlgrthm;
1371
1372 psta->ieee8021x_blocked = false;
1373
1374 spin_lock_bh(&pmlmepriv->lock);
1375
1376 if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == true) ||
1377 (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true)) {
1378 if (adapter->stapriv.asoc_sta_count == 2) {
1379 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
1380 ptarget_wlan = rtw_find_network(&pmlmepriv->scanned_queue, cur_network->network.mac_address);
1381 pmlmepriv->cur_network_scanned = ptarget_wlan;
1382 if (ptarget_wlan)
1383 ptarget_wlan->fixed = true;
1384 spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
1385 /* a sta + bc/mc_stainfo (not Ibss_stainfo) */
1386 rtw_indicate_connect(adapter);
1387 }
1388 }
1389
1390 spin_unlock_bh(&pmlmepriv->lock);
1391
1392 mlmeext_sta_add_event_callback(adapter, psta);
1393 }
1394
rtw_stadel_event_callback(struct adapter * adapter,u8 * pbuf)1395 void rtw_stadel_event_callback(struct adapter *adapter, u8 *pbuf)
1396 {
1397 int mac_id = (-1);
1398 struct sta_info *psta;
1399 struct wlan_network *pwlan = NULL;
1400 struct wlan_bssid_ex *pdev_network = NULL;
1401 u8 *pibss = NULL;
1402 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
1403 struct stadel_event *pstadel = (struct stadel_event *)pbuf;
1404 struct wlan_network *tgt_network = &(pmlmepriv->cur_network);
1405 struct mlme_ext_priv *pmlmeext = &adapter->mlmeextpriv;
1406 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1407
1408 psta = rtw_get_stainfo(&adapter->stapriv, pstadel->macaddr);
1409 if (psta)
1410 mac_id = psta->mac_id;
1411 else
1412 mac_id = pstadel->mac_id;
1413
1414 if (mac_id >= 0) {
1415 u16 media_status;
1416
1417 media_status = (mac_id<<8)|0; /* MACID|OPMODE:0 means disconnect */
1418 /* for STA, AP, ADHOC mode, report disconnect stauts to FW */
1419 rtw_hal_set_hwreg(adapter, HW_VAR_H2C_MEDIA_STATUS_RPT, (u8 *)&media_status);
1420 }
1421
1422 /* if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) */
1423 if ((pmlmeinfo->state&0x03) == WIFI_FW_AP_STATE)
1424 return;
1425
1426 mlmeext_sta_del_event_callback(adapter);
1427
1428 spin_lock_bh(&pmlmepriv->lock);
1429
1430 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
1431 u16 reason = *((unsigned short *)(pstadel->rsvd));
1432 bool roam = false;
1433 struct wlan_network *roam_target = NULL;
1434
1435 if (adapter->registrypriv.wifi_spec == 1) {
1436 roam = false;
1437 } else if (reason == WLAN_REASON_EXPIRATION_CHK && rtw_chk_roam_flags(adapter, RTW_ROAM_ON_EXPIRED)) {
1438 roam = true;
1439 } else if (reason == WLAN_REASON_ACTIVE_ROAM && rtw_chk_roam_flags(adapter, RTW_ROAM_ACTIVE)) {
1440 roam = true;
1441 roam_target = pmlmepriv->roam_network;
1442 }
1443
1444 if (roam) {
1445 if (rtw_to_roam(adapter) > 0)
1446 rtw_dec_to_roam(adapter); /* this stadel_event is caused by roaming, decrease to_roam */
1447 else if (rtw_to_roam(adapter) == 0)
1448 rtw_set_to_roam(adapter, adapter->registrypriv.max_roaming_times);
1449 } else {
1450 rtw_set_to_roam(adapter, 0);
1451 }
1452
1453 rtw_free_uc_swdec_pending_queue(adapter);
1454
1455 rtw_free_assoc_resources(adapter, 1);
1456 rtw_indicate_disconnect(adapter);
1457
1458 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
1459 /* remove the network entry in scanned_queue */
1460 pwlan = rtw_find_network(&pmlmepriv->scanned_queue, tgt_network->network.mac_address);
1461 if (pwlan) {
1462 pwlan->fixed = false;
1463 rtw_free_network_nolock(adapter, pwlan);
1464 }
1465 spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
1466
1467 _rtw_roaming(adapter, roam_target);
1468 }
1469
1470 if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) ||
1471 check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) {
1472
1473 rtw_free_stainfo(adapter, psta);
1474
1475 if (adapter->stapriv.asoc_sta_count == 1) {/* a sta + bc/mc_stainfo (not Ibss_stainfo) */
1476 u8 ret = _SUCCESS;
1477 /* rtw_indicate_disconnect(adapter);removed@20091105 */
1478 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
1479 /* free old ibss network */
1480 /* pwlan = rtw_find_network(&pmlmepriv->scanned_queue, pstadel->macaddr); */
1481 pwlan = rtw_find_network(&pmlmepriv->scanned_queue, tgt_network->network.mac_address);
1482 if (pwlan) {
1483 pwlan->fixed = false;
1484 rtw_free_network_nolock(adapter, pwlan);
1485 }
1486 spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
1487 /* re-create ibss */
1488 pdev_network = &(adapter->registrypriv.dev_network);
1489 pibss = adapter->registrypriv.dev_network.mac_address;
1490
1491 memcpy(pdev_network, &tgt_network->network, get_wlan_bssid_ex_sz(&tgt_network->network));
1492
1493 memcpy(&pdev_network->ssid, &pmlmepriv->assoc_ssid, sizeof(struct ndis_802_11_ssid));
1494
1495 rtw_update_registrypriv_dev_network(adapter);
1496
1497 rtw_generate_random_ibss(pibss);
1498
1499 if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) {
1500 set_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE);
1501 _clr_fwstate_(pmlmepriv, WIFI_ADHOC_STATE);
1502 }
1503
1504 ret = rtw_createbss_cmd(adapter);
1505 if (ret != _SUCCESS)
1506 goto unlock;
1507 }
1508
1509 }
1510
1511 unlock:
1512 spin_unlock_bh(&pmlmepriv->lock);
1513 }
1514
rtw_cpwm_event_callback(struct adapter * padapter,u8 * pbuf)1515 void rtw_cpwm_event_callback(struct adapter *padapter, u8 *pbuf)
1516 {
1517 struct reportpwrstate_parm *preportpwrstate;
1518
1519 preportpwrstate = (struct reportpwrstate_parm *)pbuf;
1520 preportpwrstate->state |= (u8)(adapter_to_pwrctl(padapter)->cpwm_tog + 0x80);
1521 cpwm_int_hdl(padapter, preportpwrstate);
1522 }
1523
rtw_wmm_event_callback(struct adapter * padapter,u8 * pbuf)1524 void rtw_wmm_event_callback(struct adapter *padapter, u8 *pbuf)
1525 {
1526 WMMOnAssocRsp(padapter);
1527 }
1528
1529 /*
1530 * _rtw_join_timeout_handler - Timeout/failure handler for CMD JoinBss
1531 * @adapter: pointer to struct adapter structure
1532 */
_rtw_join_timeout_handler(struct timer_list * t)1533 void _rtw_join_timeout_handler(struct timer_list *t)
1534 {
1535 struct adapter *adapter = from_timer(adapter, t,
1536 mlmepriv.assoc_timer);
1537 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1538
1539 if (adapter->bDriverStopped || adapter->bSurpriseRemoved)
1540 return;
1541
1542 spin_lock_bh(&pmlmepriv->lock);
1543
1544 if (rtw_to_roam(adapter) > 0) { /* join timeout caused by roaming */
1545 while (1) {
1546 rtw_dec_to_roam(adapter);
1547 if (rtw_to_roam(adapter) != 0) { /* try another */
1548 int do_join_r;
1549
1550 do_join_r = rtw_do_join(adapter);
1551 if (do_join_r != _SUCCESS) {
1552 continue;
1553 }
1554 break;
1555 } else {
1556 rtw_indicate_disconnect(adapter);
1557 break;
1558 }
1559 }
1560
1561 } else {
1562 rtw_indicate_disconnect(adapter);
1563 free_scanqueue(pmlmepriv);/* */
1564
1565 /* indicate disconnect for the case that join_timeout and check_fwstate != FW_LINKED */
1566 rtw_cfg80211_indicate_disconnect(adapter);
1567
1568 }
1569
1570 spin_unlock_bh(&pmlmepriv->lock);
1571 }
1572
1573 /*
1574 * rtw_scan_timeout_handler - Timeout/Failure handler for CMD SiteSurvey
1575 * @adapter: pointer to struct adapter structure
1576 */
rtw_scan_timeout_handler(struct timer_list * t)1577 void rtw_scan_timeout_handler(struct timer_list *t)
1578 {
1579 struct adapter *adapter = from_timer(adapter, t,
1580 mlmepriv.scan_to_timer);
1581 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1582
1583 spin_lock_bh(&pmlmepriv->lock);
1584
1585 _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY);
1586
1587 spin_unlock_bh(&pmlmepriv->lock);
1588
1589 rtw_indicate_scan_done(adapter, true);
1590 }
1591
rtw_mlme_reset_auto_scan_int(struct adapter * adapter)1592 void rtw_mlme_reset_auto_scan_int(struct adapter *adapter)
1593 {
1594 struct mlme_priv *mlme = &adapter->mlmepriv;
1595 struct mlme_ext_priv *pmlmeext = &adapter->mlmeextpriv;
1596 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1597
1598 if (pmlmeinfo->VHT_enable) /* disable auto scan when connect to 11AC AP */
1599 mlme->auto_scan_int_ms = 0;
1600 else if (adapter->registrypriv.wifi_spec && is_client_associated_to_ap(adapter) == true)
1601 mlme->auto_scan_int_ms = 60*1000;
1602 else if (rtw_chk_roam_flags(adapter, RTW_ROAM_ACTIVE)) {
1603 if (check_fwstate(mlme, WIFI_STATION_STATE) && check_fwstate(mlme, _FW_LINKED))
1604 mlme->auto_scan_int_ms = mlme->roam_scan_int_ms;
1605 } else
1606 mlme->auto_scan_int_ms = 0; /* disabled */
1607 }
1608
rtw_auto_scan_handler(struct adapter * padapter)1609 static void rtw_auto_scan_handler(struct adapter *padapter)
1610 {
1611 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1612
1613 rtw_mlme_reset_auto_scan_int(padapter);
1614
1615 if (pmlmepriv->auto_scan_int_ms != 0
1616 && jiffies_to_msecs(jiffies - pmlmepriv->scan_start_time) > pmlmepriv->auto_scan_int_ms) {
1617
1618 if (!padapter->registrypriv.wifi_spec) {
1619 if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY | _FW_UNDER_LINKING) == true)
1620 goto exit;
1621
1622 if (pmlmepriv->LinkDetectInfo.bBusyTraffic)
1623 goto exit;
1624 }
1625
1626 rtw_set_802_11_bssid_list_scan(padapter, NULL, 0);
1627 }
1628
1629 exit:
1630 return;
1631 }
1632
rtw_dynamic_check_timer_handler(struct adapter * adapter)1633 void rtw_dynamic_check_timer_handler(struct adapter *adapter)
1634 {
1635 if (!adapter)
1636 return;
1637
1638 if (!adapter->hw_init_completed)
1639 return;
1640
1641 if (adapter->bDriverStopped || adapter->bSurpriseRemoved)
1642 return;
1643
1644 if (adapter->net_closed)
1645 return;
1646
1647 if ((adapter_to_pwrctl(adapter)->fw_current_in_ps_mode)
1648 && !(hal_btcoex_IsBtControlLps(adapter))
1649 ) {
1650 u8 bEnterPS;
1651
1652 linked_status_chk(adapter);
1653
1654 bEnterPS = traffic_status_watchdog(adapter, 1);
1655 if (bEnterPS) {
1656 /* rtw_lps_ctrl_wk_cmd(adapter, LPS_CTRL_ENTER, 1); */
1657 rtw_hal_dm_watchdog_in_lps(adapter);
1658 } else {
1659 /* call rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_LEAVE, 1) in traffic_status_watchdog() */
1660 }
1661
1662 } else {
1663 if (is_primary_adapter(adapter))
1664 rtw_dynamic_chk_wk_cmd(adapter);
1665 }
1666
1667 /* auto site survey */
1668 rtw_auto_scan_handler(adapter);
1669 }
1670
rtw_is_scan_deny(struct adapter * adapter)1671 inline bool rtw_is_scan_deny(struct adapter *adapter)
1672 {
1673 struct mlme_priv *mlmepriv = &adapter->mlmepriv;
1674
1675 return (atomic_read(&mlmepriv->set_scan_deny) != 0) ? true : false;
1676 }
1677
rtw_clear_scan_deny(struct adapter * adapter)1678 inline void rtw_clear_scan_deny(struct adapter *adapter)
1679 {
1680 struct mlme_priv *mlmepriv = &adapter->mlmepriv;
1681
1682 atomic_set(&mlmepriv->set_scan_deny, 0);
1683 }
1684
rtw_set_scan_deny(struct adapter * adapter,u32 ms)1685 void rtw_set_scan_deny(struct adapter *adapter, u32 ms)
1686 {
1687 struct mlme_priv *mlmepriv = &adapter->mlmepriv;
1688
1689 atomic_set(&mlmepriv->set_scan_deny, 1);
1690 _set_timer(&mlmepriv->set_scan_deny_timer, ms);
1691 }
1692
1693 /*
1694 * Select a new roaming candidate from the original @param candidate and @param competitor
1695 * @return true: candidate is updated
1696 * @return false: candidate is not updated
1697 */
rtw_check_roaming_candidate(struct mlme_priv * mlme,struct wlan_network ** candidate,struct wlan_network * competitor)1698 static int rtw_check_roaming_candidate(struct mlme_priv *mlme
1699 , struct wlan_network **candidate, struct wlan_network *competitor)
1700 {
1701 int updated = false;
1702 struct adapter *adapter = container_of(mlme, struct adapter, mlmepriv);
1703
1704 if (is_same_ess(&competitor->network, &mlme->cur_network.network) == false)
1705 goto exit;
1706
1707 if (rtw_is_desired_network(adapter, competitor) == false)
1708 goto exit;
1709
1710 /* got specific addr to roam */
1711 if (!is_zero_mac_addr(mlme->roam_tgt_addr)) {
1712 if (!memcmp(mlme->roam_tgt_addr, competitor->network.mac_address, ETH_ALEN))
1713 goto update;
1714 else
1715 goto exit;
1716 }
1717 if (jiffies_to_msecs(jiffies - competitor->last_scanned) >= mlme->roam_scanr_exp_ms)
1718 goto exit;
1719
1720 if (competitor->network.rssi - mlme->cur_network_scanned->network.rssi < mlme->roam_rssi_diff_th)
1721 goto exit;
1722
1723 if (*candidate && (*candidate)->network.rssi >= competitor->network.rssi)
1724 goto exit;
1725
1726 update:
1727 *candidate = competitor;
1728 updated = true;
1729
1730 exit:
1731 return updated;
1732 }
1733
rtw_select_roaming_candidate(struct mlme_priv * mlme)1734 int rtw_select_roaming_candidate(struct mlme_priv *mlme)
1735 {
1736 int ret = _FAIL;
1737 struct list_head *phead;
1738 struct __queue *queue = &(mlme->scanned_queue);
1739 struct wlan_network *pnetwork = NULL;
1740 struct wlan_network *candidate = NULL;
1741
1742 if (!mlme->cur_network_scanned) {
1743 rtw_warn_on(1);
1744 return ret;
1745 }
1746
1747 spin_lock_bh(&(mlme->scanned_queue.lock));
1748 phead = get_list_head(queue);
1749
1750 list_for_each(mlme->pscanned, phead) {
1751
1752 pnetwork = list_entry(mlme->pscanned, struct wlan_network,
1753 list);
1754
1755 rtw_check_roaming_candidate(mlme, &candidate, pnetwork);
1756
1757 }
1758
1759 if (!candidate) {
1760 ret = _FAIL;
1761 goto exit;
1762 } else {
1763 mlme->roam_network = candidate;
1764
1765 if (!memcmp(candidate->network.mac_address, mlme->roam_tgt_addr, ETH_ALEN))
1766 eth_zero_addr(mlme->roam_tgt_addr);
1767 }
1768
1769 ret = _SUCCESS;
1770 exit:
1771 spin_unlock_bh(&(mlme->scanned_queue.lock));
1772
1773 return ret;
1774 }
1775
1776 /*
1777 * Select a new join candidate from the original @param candidate and @param competitor
1778 * @return true: candidate is updated
1779 * @return false: candidate is not updated
1780 */
rtw_check_join_candidate(struct mlme_priv * mlme,struct wlan_network ** candidate,struct wlan_network * competitor)1781 static int rtw_check_join_candidate(struct mlme_priv *mlme
1782 , struct wlan_network **candidate, struct wlan_network *competitor)
1783 {
1784 int updated = false;
1785 struct adapter *adapter = container_of(mlme, struct adapter, mlmepriv);
1786
1787 /* check bssid, if needed */
1788 if (mlme->assoc_by_bssid) {
1789 if (memcmp(competitor->network.mac_address, mlme->assoc_bssid, ETH_ALEN))
1790 goto exit;
1791 }
1792
1793 /* check ssid, if needed */
1794 if (mlme->assoc_ssid.ssid[0] && mlme->assoc_ssid.ssid_length) {
1795 if (competitor->network.ssid.ssid_length != mlme->assoc_ssid.ssid_length
1796 || memcmp(competitor->network.ssid.ssid, mlme->assoc_ssid.ssid, mlme->assoc_ssid.ssid_length)
1797 )
1798 goto exit;
1799 }
1800
1801 if (rtw_is_desired_network(adapter, competitor) == false)
1802 goto exit;
1803
1804 if (rtw_to_roam(adapter) > 0) {
1805 if (jiffies_to_msecs(jiffies - competitor->last_scanned) >= mlme->roam_scanr_exp_ms
1806 || is_same_ess(&competitor->network, &mlme->cur_network.network) == false
1807 )
1808 goto exit;
1809 }
1810
1811 if (!*candidate || (*candidate)->network.rssi < competitor->network.rssi) {
1812 *candidate = competitor;
1813 updated = true;
1814 }
1815
1816 exit:
1817 return updated;
1818 }
1819
1820 /*
1821 Calling context:
1822 The caller of the sub-routine will be in critical section...
1823 The caller must hold the following spinlock
1824 pmlmepriv->lock
1825 */
1826
rtw_select_and_join_from_scanned_queue(struct mlme_priv * pmlmepriv)1827 int rtw_select_and_join_from_scanned_queue(struct mlme_priv *pmlmepriv)
1828 {
1829 int ret;
1830 struct list_head *phead;
1831 struct adapter *adapter;
1832 struct __queue *queue = &(pmlmepriv->scanned_queue);
1833 struct wlan_network *pnetwork = NULL;
1834 struct wlan_network *candidate = NULL;
1835
1836 adapter = (struct adapter *)pmlmepriv->nic_hdl;
1837
1838 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
1839
1840 if (pmlmepriv->roam_network) {
1841 candidate = pmlmepriv->roam_network;
1842 pmlmepriv->roam_network = NULL;
1843 goto candidate_exist;
1844 }
1845
1846 phead = get_list_head(queue);
1847 list_for_each(pmlmepriv->pscanned, phead) {
1848
1849 pnetwork = list_entry(pmlmepriv->pscanned,
1850 struct wlan_network, list);
1851
1852 rtw_check_join_candidate(pmlmepriv, &candidate, pnetwork);
1853
1854 }
1855
1856 if (!candidate) {
1857 ret = _FAIL;
1858 goto exit;
1859 } else {
1860 goto candidate_exist;
1861 }
1862
1863 candidate_exist:
1864
1865 /* check for situation of _FW_LINKED */
1866 if (check_fwstate(pmlmepriv, _FW_LINKED) == true) {
1867 rtw_disassoc_cmd(adapter, 0, true);
1868 rtw_indicate_disconnect(adapter);
1869 rtw_free_assoc_resources(adapter, 0);
1870 }
1871
1872 set_fwstate(pmlmepriv, _FW_UNDER_LINKING);
1873 ret = rtw_joinbss_cmd(adapter, candidate);
1874
1875 exit:
1876 spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
1877 return ret;
1878 }
1879
rtw_set_auth(struct adapter * adapter,struct security_priv * psecuritypriv)1880 signed int rtw_set_auth(struct adapter *adapter, struct security_priv *psecuritypriv)
1881 {
1882 struct cmd_obj *pcmd;
1883 struct setauth_parm *psetauthparm;
1884 struct cmd_priv *pcmdpriv = &(adapter->cmdpriv);
1885 signed int res = _SUCCESS;
1886
1887 pcmd = rtw_zmalloc(sizeof(struct cmd_obj));
1888 if (!pcmd) {
1889 res = _FAIL; /* try again */
1890 goto exit;
1891 }
1892
1893 psetauthparm = rtw_zmalloc(sizeof(struct setauth_parm));
1894 if (!psetauthparm) {
1895 kfree(pcmd);
1896 res = _FAIL;
1897 goto exit;
1898 }
1899
1900 psetauthparm->mode = (unsigned char)psecuritypriv->dot11AuthAlgrthm;
1901
1902 pcmd->cmdcode = _SetAuth_CMD_;
1903 pcmd->parmbuf = (unsigned char *)psetauthparm;
1904 pcmd->cmdsz = (sizeof(struct setauth_parm));
1905 pcmd->rsp = NULL;
1906 pcmd->rspsz = 0;
1907
1908 INIT_LIST_HEAD(&pcmd->list);
1909
1910 res = rtw_enqueue_cmd(pcmdpriv, pcmd);
1911
1912 exit:
1913 return res;
1914 }
1915
rtw_set_key(struct adapter * adapter,struct security_priv * psecuritypriv,signed int keyid,u8 set_tx,bool enqueue)1916 signed int rtw_set_key(struct adapter *adapter, struct security_priv *psecuritypriv, signed int keyid, u8 set_tx, bool enqueue)
1917 {
1918 u8 keylen;
1919 struct cmd_obj *pcmd;
1920 struct setkey_parm *psetkeyparm;
1921 struct cmd_priv *pcmdpriv = &(adapter->cmdpriv);
1922 signed int res = _SUCCESS;
1923
1924 psetkeyparm = rtw_zmalloc(sizeof(struct setkey_parm));
1925 if (!psetkeyparm) {
1926 res = _FAIL;
1927 goto exit;
1928 }
1929
1930 if (psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_8021X)
1931 psetkeyparm->algorithm = (unsigned char)psecuritypriv->dot118021XGrpPrivacy;
1932 else
1933 psetkeyparm->algorithm = (u8)psecuritypriv->dot11PrivacyAlgrthm;
1934
1935 psetkeyparm->keyid = (u8)keyid;/* 0~3 */
1936 psetkeyparm->set_tx = set_tx;
1937 if (is_wep_enc(psetkeyparm->algorithm))
1938 adapter->securitypriv.key_mask |= BIT(psetkeyparm->keyid);
1939
1940 switch (psetkeyparm->algorithm) {
1941
1942 case _WEP40_:
1943 keylen = 5;
1944 memcpy(&(psetkeyparm->key[0]), &(psecuritypriv->dot11DefKey[keyid].skey[0]), keylen);
1945 break;
1946 case _WEP104_:
1947 keylen = 13;
1948 memcpy(&(psetkeyparm->key[0]), &(psecuritypriv->dot11DefKey[keyid].skey[0]), keylen);
1949 break;
1950 case _TKIP_:
1951 keylen = 16;
1952 memcpy(&psetkeyparm->key, &psecuritypriv->dot118021XGrpKey[keyid], keylen);
1953 psetkeyparm->grpkey = 1;
1954 break;
1955 case _AES_:
1956 keylen = 16;
1957 memcpy(&psetkeyparm->key, &psecuritypriv->dot118021XGrpKey[keyid], keylen);
1958 psetkeyparm->grpkey = 1;
1959 break;
1960 default:
1961 res = _FAIL;
1962 kfree(psetkeyparm);
1963 goto exit;
1964 }
1965
1966 if (enqueue) {
1967 pcmd = rtw_zmalloc(sizeof(struct cmd_obj));
1968 if (!pcmd) {
1969 kfree(psetkeyparm);
1970 res = _FAIL; /* try again */
1971 goto exit;
1972 }
1973
1974 pcmd->cmdcode = _SetKey_CMD_;
1975 pcmd->parmbuf = (u8 *)psetkeyparm;
1976 pcmd->cmdsz = (sizeof(struct setkey_parm));
1977 pcmd->rsp = NULL;
1978 pcmd->rspsz = 0;
1979
1980 INIT_LIST_HEAD(&pcmd->list);
1981
1982 res = rtw_enqueue_cmd(pcmdpriv, pcmd);
1983 } else {
1984 setkey_hdl(adapter, (u8 *)psetkeyparm);
1985 kfree(psetkeyparm);
1986 }
1987 exit:
1988 return res;
1989 }
1990
1991 /* adjust ies for rtw_joinbss_cmd in WMM */
rtw_restruct_wmm_ie(struct adapter * adapter,u8 * in_ie,u8 * out_ie,uint in_len,uint initial_out_len)1992 int rtw_restruct_wmm_ie(struct adapter *adapter, u8 *in_ie, u8 *out_ie, uint in_len, uint initial_out_len)
1993 {
1994 unsigned int ielength = 0;
1995 unsigned int i, j;
1996
1997 i = 12; /* after the fixed IE */
1998 while (i < in_len) {
1999 ielength = initial_out_len;
2000
2001 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) { /* WMM element ID and OUI */
2002 for (j = i; j < i + 9; j++) {
2003 out_ie[ielength] = in_ie[j];
2004 ielength++;
2005 }
2006 out_ie[initial_out_len + 1] = 0x07;
2007 out_ie[initial_out_len + 6] = 0x00;
2008 out_ie[initial_out_len + 8] = 0x00;
2009
2010 break;
2011 }
2012
2013 i += (in_ie[i+1]+2); /* to the next IE element */
2014 }
2015
2016 return ielength;
2017
2018 }
2019
2020 /* */
2021 /* Ported from 8185: IsInPreAuthKeyList(). (Renamed from SecIsInPreAuthKeyList(), 2006-10-13.) */
2022 /* Added by Annie, 2006-05-07. */
2023 /* */
2024 /* Search by BSSID, */
2025 /* Return Value: */
2026 /* -1 :if there is no pre-auth key in the table */
2027 /* >= 0 :if there is pre-auth key, and return the entry id */
2028 /* */
2029 /* */
2030
SecIsInPMKIDList(struct adapter * Adapter,u8 * bssid)2031 static int SecIsInPMKIDList(struct adapter *Adapter, u8 *bssid)
2032 {
2033 struct security_priv *p = &Adapter->securitypriv;
2034 int i;
2035
2036 for (i = 0; i < NUM_PMKID_CACHE; i++)
2037 if ((p->PMKIDList[i].bUsed) &&
2038 (!memcmp(p->PMKIDList[i].Bssid, bssid, ETH_ALEN)))
2039 return i;
2040 return -1;
2041 }
2042
2043 /* */
2044 /* Check the RSN IE length */
2045 /* If the RSN IE length <= 20, the RSN IE didn't include the PMKID information */
2046 /* 0-11th element in the array are the fixed IE */
2047 /* 12th element in the array is the IE */
2048 /* 13th element in the array is the IE length */
2049 /* */
2050
rtw_append_pmkid(struct adapter * Adapter,int iEntry,u8 * ie,uint ie_len)2051 static int rtw_append_pmkid(struct adapter *Adapter, int iEntry, u8 *ie, uint ie_len)
2052 {
2053 struct security_priv *psecuritypriv = &Adapter->securitypriv;
2054
2055 if (ie[13] <= 20) {
2056 /* The RSN IE didn't include the PMK ID, append the PMK information */
2057 ie[ie_len] = 1;
2058 ie_len++;
2059 ie[ie_len] = 0; /* PMKID count = 0x0100 */
2060 ie_len++;
2061 memcpy(&ie[ie_len], &psecuritypriv->PMKIDList[iEntry].PMKID, 16);
2062 ie_len += 16;
2063 ie[13] += 18;/* PMKID length = 2+16 */
2064 }
2065 return ie_len;
2066 }
2067
rtw_restruct_sec_ie(struct adapter * adapter,u8 * in_ie,u8 * out_ie,uint in_len)2068 signed int rtw_restruct_sec_ie(struct adapter *adapter, u8 *in_ie, u8 *out_ie, uint in_len)
2069 {
2070 u8 authmode = 0x0;
2071 uint ielength;
2072 int iEntry;
2073
2074 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
2075 struct security_priv *psecuritypriv = &adapter->securitypriv;
2076 uint ndisauthmode = psecuritypriv->ndisauthtype;
2077
2078 /* copy fixed ie only */
2079 memcpy(out_ie, in_ie, 12);
2080 ielength = 12;
2081 if ((ndisauthmode == Ndis802_11AuthModeWPA) || (ndisauthmode == Ndis802_11AuthModeWPAPSK))
2082 authmode = WLAN_EID_VENDOR_SPECIFIC;
2083 if ((ndisauthmode == Ndis802_11AuthModeWPA2) || (ndisauthmode == Ndis802_11AuthModeWPA2PSK))
2084 authmode = WLAN_EID_RSN;
2085
2086 if (check_fwstate(pmlmepriv, WIFI_UNDER_WPS)) {
2087 memcpy(out_ie+ielength, psecuritypriv->wps_ie, psecuritypriv->wps_ie_len);
2088
2089 ielength += psecuritypriv->wps_ie_len;
2090 } else if ((authmode == WLAN_EID_VENDOR_SPECIFIC) || (authmode == WLAN_EID_RSN)) {
2091 /* copy RSN or SSN */
2092 memcpy(&out_ie[ielength], &psecuritypriv->supplicant_ie[0], psecuritypriv->supplicant_ie[1]+2);
2093 /* debug for CONFIG_IEEE80211W
2094 {
2095 int jj;
2096 printk("supplicant_ie_length =%d &&&&&&&&&&&&&&&&&&&\n", psecuritypriv->supplicant_ie[1]+2);
2097 for (jj = 0; jj < psecuritypriv->supplicant_ie[1]+2; jj++)
2098 printk(" %02x ", psecuritypriv->supplicant_ie[jj]);
2099 printk("\n");
2100 }*/
2101 ielength += psecuritypriv->supplicant_ie[1]+2;
2102 rtw_report_sec_ie(adapter, authmode, psecuritypriv->supplicant_ie);
2103 }
2104
2105 iEntry = SecIsInPMKIDList(adapter, pmlmepriv->assoc_bssid);
2106 if (iEntry < 0) {
2107 return ielength;
2108 } else {
2109 if (authmode == WLAN_EID_RSN)
2110 ielength = rtw_append_pmkid(adapter, iEntry, out_ie, ielength);
2111 }
2112 return ielength;
2113 }
2114
rtw_init_registrypriv_dev_network(struct adapter * adapter)2115 void rtw_init_registrypriv_dev_network(struct adapter *adapter)
2116 {
2117 struct registry_priv *pregistrypriv = &adapter->registrypriv;
2118 struct eeprom_priv *peepriv = &adapter->eeprompriv;
2119 struct wlan_bssid_ex *pdev_network = &pregistrypriv->dev_network;
2120 u8 *myhwaddr = myid(peepriv);
2121
2122 memcpy(pdev_network->mac_address, myhwaddr, ETH_ALEN);
2123
2124 memcpy(&pdev_network->ssid, &pregistrypriv->ssid, sizeof(struct ndis_802_11_ssid));
2125
2126 pdev_network->configuration.length = sizeof(struct ndis_802_11_conf);
2127 pdev_network->configuration.beacon_period = 100;
2128 }
2129
rtw_update_registrypriv_dev_network(struct adapter * adapter)2130 void rtw_update_registrypriv_dev_network(struct adapter *adapter)
2131 {
2132 int sz = 0;
2133 struct registry_priv *pregistrypriv = &adapter->registrypriv;
2134 struct wlan_bssid_ex *pdev_network = &pregistrypriv->dev_network;
2135 struct security_priv *psecuritypriv = &adapter->securitypriv;
2136 struct wlan_network *cur_network = &adapter->mlmepriv.cur_network;
2137 /* struct xmit_priv *pxmitpriv = &adapter->xmitpriv; */
2138
2139 pdev_network->privacy = (psecuritypriv->dot11PrivacyAlgrthm > 0 ? 1 : 0) ; /* adhoc no 802.1x */
2140
2141 pdev_network->rssi = 0;
2142
2143 switch (pregistrypriv->wireless_mode) {
2144 case WIRELESS_11B:
2145 pdev_network->network_type_in_use = (Ndis802_11DS);
2146 break;
2147 case WIRELESS_11G:
2148 case WIRELESS_11BG:
2149 case WIRELESS_11_24N:
2150 case WIRELESS_11G_24N:
2151 case WIRELESS_11BG_24N:
2152 pdev_network->network_type_in_use = (Ndis802_11OFDM24);
2153 break;
2154 default:
2155 /* TODO */
2156 break;
2157 }
2158
2159 pdev_network->configuration.ds_config = (pregistrypriv->channel);
2160
2161 if (cur_network->network.infrastructure_mode == Ndis802_11IBSS)
2162 pdev_network->configuration.atim_window = (0);
2163
2164 pdev_network->infrastructure_mode = (cur_network->network.infrastructure_mode);
2165
2166 /* 1. Supported rates */
2167 /* 2. IE */
2168
2169 /* rtw_set_supported_rate(pdev_network->supported_rates, pregistrypriv->wireless_mode) ; will be called in rtw_generate_ie */
2170 sz = rtw_generate_ie(pregistrypriv);
2171
2172 pdev_network->ie_length = sz;
2173
2174 pdev_network->length = get_wlan_bssid_ex_sz((struct wlan_bssid_ex *)pdev_network);
2175
2176 /* notes: translate ie_length & length after assign the length to cmdsz in createbss_cmd(); */
2177 /* pdev_network->ie_length = cpu_to_le32(sz); */
2178 }
2179
rtw_get_encrypt_decrypt_from_registrypriv(struct adapter * adapter)2180 void rtw_get_encrypt_decrypt_from_registrypriv(struct adapter *adapter)
2181 {
2182 }
2183
2184 /* the function is at passive_level */
rtw_joinbss_reset(struct adapter * padapter)2185 void rtw_joinbss_reset(struct adapter *padapter)
2186 {
2187 u8 threshold;
2188 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
2189
2190 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
2191
2192 /* todo: if you want to do something io/reg/hw setting before join_bss, please add code here */
2193
2194 pmlmepriv->num_FortyMHzIntolerant = 0;
2195
2196 pmlmepriv->num_sta_no_ht = 0;
2197
2198 phtpriv->ampdu_enable = false;/* reset to disabled */
2199
2200 /* TH = 1 => means that invalidate usb rx aggregation */
2201 /* TH = 0 => means that validate usb rx aggregation, use init value. */
2202 if (phtpriv->ht_option) {
2203 if (padapter->registrypriv.wifi_spec == 1)
2204 threshold = 1;
2205 else
2206 threshold = 0;
2207 rtw_hal_set_hwreg(padapter, HW_VAR_RXDMA_AGG_PG_TH, (u8 *)(&threshold));
2208 } else {
2209 threshold = 1;
2210 rtw_hal_set_hwreg(padapter, HW_VAR_RXDMA_AGG_PG_TH, (u8 *)(&threshold));
2211 }
2212 }
2213
rtw_ht_use_default_setting(struct adapter * padapter)2214 void rtw_ht_use_default_setting(struct adapter *padapter)
2215 {
2216 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
2217 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
2218 struct registry_priv *pregistrypriv = &padapter->registrypriv;
2219 bool bHwLDPCSupport = false, bHwSTBCSupport = false;
2220 bool bHwSupportBeamformer = false, bHwSupportBeamformee = false;
2221
2222 if (pregistrypriv->wifi_spec)
2223 phtpriv->bss_coexist = 1;
2224 else
2225 phtpriv->bss_coexist = 0;
2226
2227 phtpriv->sgi_40m = TEST_FLAG(pregistrypriv->short_gi, BIT1) ? true : false;
2228 phtpriv->sgi_20m = TEST_FLAG(pregistrypriv->short_gi, BIT0) ? true : false;
2229
2230 /* LDPC support */
2231 rtw_hal_get_def_var(padapter, HAL_DEF_RX_LDPC, (u8 *)&bHwLDPCSupport);
2232 CLEAR_FLAGS(phtpriv->ldpc_cap);
2233 if (bHwLDPCSupport) {
2234 if (TEST_FLAG(pregistrypriv->ldpc_cap, BIT4))
2235 SET_FLAG(phtpriv->ldpc_cap, LDPC_HT_ENABLE_RX);
2236 }
2237 rtw_hal_get_def_var(padapter, HAL_DEF_TX_LDPC, (u8 *)&bHwLDPCSupport);
2238 if (bHwLDPCSupport) {
2239 if (TEST_FLAG(pregistrypriv->ldpc_cap, BIT5))
2240 SET_FLAG(phtpriv->ldpc_cap, LDPC_HT_ENABLE_TX);
2241 }
2242
2243 /* STBC */
2244 rtw_hal_get_def_var(padapter, HAL_DEF_TX_STBC, (u8 *)&bHwSTBCSupport);
2245 CLEAR_FLAGS(phtpriv->stbc_cap);
2246 if (bHwSTBCSupport) {
2247 if (TEST_FLAG(pregistrypriv->stbc_cap, BIT5))
2248 SET_FLAG(phtpriv->stbc_cap, STBC_HT_ENABLE_TX);
2249 }
2250 rtw_hal_get_def_var(padapter, HAL_DEF_RX_STBC, (u8 *)&bHwSTBCSupport);
2251 if (bHwSTBCSupport) {
2252 if (TEST_FLAG(pregistrypriv->stbc_cap, BIT4))
2253 SET_FLAG(phtpriv->stbc_cap, STBC_HT_ENABLE_RX);
2254 }
2255
2256 /* Beamforming setting */
2257 rtw_hal_get_def_var(padapter, HAL_DEF_EXPLICIT_BEAMFORMER, (u8 *)&bHwSupportBeamformer);
2258 rtw_hal_get_def_var(padapter, HAL_DEF_EXPLICIT_BEAMFORMEE, (u8 *)&bHwSupportBeamformee);
2259 CLEAR_FLAGS(phtpriv->beamform_cap);
2260 if (TEST_FLAG(pregistrypriv->beamform_cap, BIT4) && bHwSupportBeamformer)
2261 SET_FLAG(phtpriv->beamform_cap, BEAMFORMING_HT_BEAMFORMER_ENABLE);
2262
2263 if (TEST_FLAG(pregistrypriv->beamform_cap, BIT5) && bHwSupportBeamformee)
2264 SET_FLAG(phtpriv->beamform_cap, BEAMFORMING_HT_BEAMFORMEE_ENABLE);
2265 }
2266
rtw_build_wmm_ie_ht(struct adapter * padapter,u8 * out_ie,uint * pout_len)2267 void rtw_build_wmm_ie_ht(struct adapter *padapter, u8 *out_ie, uint *pout_len)
2268 {
2269 unsigned char WMM_IE[] = {0x00, 0x50, 0xf2, 0x02, 0x00, 0x01, 0x00};
2270 int out_len;
2271
2272 if (padapter->mlmepriv.qospriv.qos_option == 0) {
2273 out_len = *pout_len;
2274 rtw_set_ie(out_ie+out_len, WLAN_EID_VENDOR_SPECIFIC,
2275 _WMM_IE_Length_, WMM_IE, pout_len);
2276
2277 padapter->mlmepriv.qospriv.qos_option = 1;
2278 }
2279 }
2280
2281 /* the function is >= passive_level */
rtw_restructure_ht_ie(struct adapter * padapter,u8 * in_ie,u8 * out_ie,uint in_len,uint * pout_len,u8 channel)2282 unsigned int rtw_restructure_ht_ie(struct adapter *padapter, u8 *in_ie, u8 *out_ie, uint in_len, uint *pout_len, u8 channel)
2283 {
2284 u32 ielen, out_len;
2285 enum ieee80211_max_ampdu_length_exp max_rx_ampdu_factor;
2286 unsigned char *p;
2287 struct ieee80211_ht_cap ht_capie;
2288 u8 cbw40_enable = 0, stbc_rx_enable = 0, operation_bw = 0;
2289 struct registry_priv *pregistrypriv = &padapter->registrypriv;
2290 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
2291 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
2292 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
2293
2294 phtpriv->ht_option = false;
2295
2296 out_len = *pout_len;
2297
2298 memset(&ht_capie, 0, sizeof(struct ieee80211_ht_cap));
2299
2300 ht_capie.cap_info = cpu_to_le16(IEEE80211_HT_CAP_DSSSCCK40);
2301
2302 if (phtpriv->sgi_20m)
2303 ht_capie.cap_info |= cpu_to_le16(IEEE80211_HT_CAP_SGI_20);
2304
2305 /* Get HT BW */
2306 if (!in_ie) {
2307 /* TDLS: TODO 20/40 issue */
2308 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
2309 operation_bw = padapter->mlmeextpriv.cur_bwmode;
2310 if (operation_bw > CHANNEL_WIDTH_40)
2311 operation_bw = CHANNEL_WIDTH_40;
2312 } else
2313 /* TDLS: TODO 40? */
2314 operation_bw = CHANNEL_WIDTH_40;
2315 } else {
2316 p = rtw_get_ie(in_ie, WLAN_EID_HT_OPERATION, &ielen, in_len);
2317 if (p && (ielen == sizeof(struct ieee80211_ht_addt_info))) {
2318 struct HT_info_element *pht_info = (struct HT_info_element *)(p+2);
2319
2320 if (pht_info->infos[0] & BIT(2)) {
2321 switch (pht_info->infos[0] & 0x3) {
2322 case 1:
2323 case 3:
2324 operation_bw = CHANNEL_WIDTH_40;
2325 break;
2326 default:
2327 operation_bw = CHANNEL_WIDTH_20;
2328 break;
2329 }
2330 } else {
2331 operation_bw = CHANNEL_WIDTH_20;
2332 }
2333 }
2334 }
2335
2336 /* to disable 40M Hz support while gd_bw_40MHz_en = 0 */
2337 if (channel > 14) {
2338 if ((pregistrypriv->bw_mode & 0xf0) > 0)
2339 cbw40_enable = 1;
2340 } else {
2341 if ((pregistrypriv->bw_mode & 0x0f) > 0)
2342 cbw40_enable = 1;
2343 }
2344
2345 if ((cbw40_enable == 1) && (operation_bw == CHANNEL_WIDTH_40)) {
2346 ht_capie.cap_info |= cpu_to_le16(IEEE80211_HT_CAP_SUP_WIDTH);
2347 if (phtpriv->sgi_40m)
2348 ht_capie.cap_info |= cpu_to_le16(IEEE80211_HT_CAP_SGI_40);
2349 }
2350
2351 if (TEST_FLAG(phtpriv->stbc_cap, STBC_HT_ENABLE_TX))
2352 ht_capie.cap_info |= cpu_to_le16(IEEE80211_HT_CAP_TX_STBC);
2353
2354 /* todo: disable SM power save mode */
2355 ht_capie.cap_info |= cpu_to_le16(IEEE80211_HT_CAP_SM_PS);
2356
2357 if (TEST_FLAG(phtpriv->stbc_cap, STBC_HT_ENABLE_RX)) {
2358 if ((channel <= 14 && pregistrypriv->rx_stbc == 0x1) || /* enable for 2.4GHz */
2359 (pregistrypriv->wifi_spec == 1))
2360 stbc_rx_enable = 1;
2361 }
2362
2363 /* fill default supported_mcs_set */
2364 memcpy(&ht_capie.mcs, pmlmeext->default_supported_mcs_set, 16);
2365
2366 /* update default supported_mcs_set */
2367 if (stbc_rx_enable)
2368 ht_capie.cap_info |= cpu_to_le16(IEEE80211_HT_CAP_RX_STBC_1R);/* RX STBC One spatial stream */
2369
2370 set_mcs_rate_by_mask(ht_capie.mcs.rx_mask, MCS_RATE_1R);
2371
2372 {
2373 u32 rx_packet_offset, max_recvbuf_sz;
2374
2375 rtw_hal_get_def_var(padapter, HAL_DEF_RX_PACKET_OFFSET, &rx_packet_offset);
2376 rtw_hal_get_def_var(padapter, HAL_DEF_MAX_RECVBUF_SZ, &max_recvbuf_sz);
2377 }
2378
2379 if (padapter->driver_rx_ampdu_factor != 0xFF)
2380 max_rx_ampdu_factor =
2381 (enum ieee80211_max_ampdu_length_exp)padapter->driver_rx_ampdu_factor;
2382 else
2383 rtw_hal_get_def_var(padapter, HW_VAR_MAX_RX_AMPDU_FACTOR,
2384 &max_rx_ampdu_factor);
2385
2386 /* rtw_hal_get_def_var(padapter, HW_VAR_MAX_RX_AMPDU_FACTOR, &max_rx_ampdu_factor); */
2387 ht_capie.ampdu_params_info = (max_rx_ampdu_factor&0x03);
2388
2389 if (padapter->securitypriv.dot11PrivacyAlgrthm == _AES_)
2390 ht_capie.ampdu_params_info |= (IEEE80211_HT_CAP_AMPDU_DENSITY&(0x07<<2));
2391 else
2392 ht_capie.ampdu_params_info |= (IEEE80211_HT_CAP_AMPDU_DENSITY&0x00);
2393
2394 rtw_set_ie(out_ie+out_len, WLAN_EID_HT_CAPABILITY,
2395 sizeof(struct ieee80211_ht_cap), (unsigned char *)&ht_capie, pout_len);
2396
2397 phtpriv->ht_option = true;
2398
2399 if (in_ie) {
2400 p = rtw_get_ie(in_ie, WLAN_EID_HT_OPERATION, &ielen, in_len);
2401 if (p && (ielen == sizeof(struct ieee80211_ht_addt_info))) {
2402 out_len = *pout_len;
2403 rtw_set_ie(out_ie+out_len, WLAN_EID_HT_OPERATION, ielen, p+2, pout_len);
2404 }
2405 }
2406
2407 return phtpriv->ht_option;
2408
2409 }
2410
2411 /* the function is > passive_level (in critical_section) */
rtw_update_ht_cap(struct adapter * padapter,u8 * pie,uint ie_len,u8 channel)2412 void rtw_update_ht_cap(struct adapter *padapter, u8 *pie, uint ie_len, u8 channel)
2413 {
2414 u8 *p, max_ampdu_sz;
2415 int len;
2416 /* struct sta_info *bmc_sta, *psta; */
2417 struct ieee80211_ht_cap *pht_capie;
2418 /* struct recv_reorder_ctrl *preorder_ctrl; */
2419 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
2420 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
2421 /* struct recv_priv *precvpriv = &padapter->recvpriv; */
2422 struct registry_priv *pregistrypriv = &padapter->registrypriv;
2423 /* struct wlan_network *pcur_network = &(pmlmepriv->cur_network);; */
2424 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
2425 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
2426 u8 cbw40_enable = 0;
2427
2428 if (!phtpriv->ht_option)
2429 return;
2430
2431 if ((!pmlmeinfo->HT_info_enable) || (!pmlmeinfo->HT_caps_enable))
2432 return;
2433
2434 /* maybe needs check if ap supports rx ampdu. */
2435 if (!(phtpriv->ampdu_enable) && pregistrypriv->ampdu_enable == 1) {
2436 phtpriv->ampdu_enable = true;
2437 }
2438
2439 /* check Max Rx A-MPDU Size */
2440 len = 0;
2441 p = rtw_get_ie(pie+sizeof(struct ndis_802_11_fix_ie), WLAN_EID_HT_CAPABILITY, &len, ie_len-sizeof(struct ndis_802_11_fix_ie));
2442 if (p && len > 0) {
2443 pht_capie = (struct ieee80211_ht_cap *)(p+2);
2444 max_ampdu_sz = (pht_capie->ampdu_params_info & IEEE80211_HT_CAP_AMPDU_FACTOR);
2445 max_ampdu_sz = 1 << (max_ampdu_sz+3); /* max_ampdu_sz (kbytes); */
2446
2447 phtpriv->rx_ampdu_maxlen = max_ampdu_sz;
2448
2449 }
2450
2451 len = 0;
2452 p = rtw_get_ie(pie+sizeof(struct ndis_802_11_fix_ie), WLAN_EID_HT_OPERATION, &len, ie_len-sizeof(struct ndis_802_11_fix_ie));
2453 if (p && len > 0) {
2454 /* todo: */
2455 }
2456
2457 if (channel > 14) {
2458 if ((pregistrypriv->bw_mode & 0xf0) > 0)
2459 cbw40_enable = 1;
2460 } else {
2461 if ((pregistrypriv->bw_mode & 0x0f) > 0)
2462 cbw40_enable = 1;
2463 }
2464
2465 /* update cur_bwmode & cur_ch_offset */
2466 if ((cbw40_enable) &&
2467 (le16_to_cpu(pmlmeinfo->HT_caps.u.HT_cap_element.HT_caps_info) &
2468 BIT(1)) && (pmlmeinfo->HT_info.infos[0] & BIT(2))) {
2469 int i;
2470
2471 /* update the MCS set */
2472 for (i = 0; i < 16; i++)
2473 pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate[i] &= pmlmeext->default_supported_mcs_set[i];
2474
2475 /* update the MCS rates */
2476 set_mcs_rate_by_mask(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_RATE_1R);
2477
2478 /* switch to the 40M Hz mode according to the AP */
2479 /* pmlmeext->cur_bwmode = CHANNEL_WIDTH_40; */
2480 switch ((pmlmeinfo->HT_info.infos[0] & 0x3)) {
2481 case EXTCHNL_OFFSET_UPPER:
2482 pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER;
2483 break;
2484
2485 case EXTCHNL_OFFSET_LOWER:
2486 pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_UPPER;
2487 break;
2488
2489 default:
2490 pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
2491 break;
2492 }
2493 }
2494
2495 /* */
2496 /* Config SM Power Save setting */
2497 /* */
2498 pmlmeinfo->SM_PS =
2499 (le16_to_cpu(pmlmeinfo->HT_caps.u.HT_cap_element.HT_caps_info) &
2500 0x0C) >> 2;
2501
2502 /* */
2503 /* Config current HT Protection mode. */
2504 /* */
2505 pmlmeinfo->HT_protection = pmlmeinfo->HT_info.infos[1] & 0x3;
2506 }
2507
rtw_issue_addbareq_cmd(struct adapter * padapter,struct xmit_frame * pxmitframe)2508 void rtw_issue_addbareq_cmd(struct adapter *padapter, struct xmit_frame *pxmitframe)
2509 {
2510 u8 issued;
2511 int priority;
2512 struct sta_info *psta;
2513 struct ht_priv *phtpriv;
2514 struct pkt_attrib *pattrib = &pxmitframe->attrib;
2515 s32 bmcst = is_multicast_ether_addr(pattrib->ra);
2516
2517 /* if (bmcst || (padapter->mlmepriv.LinkDetectInfo.bTxBusyTraffic == false)) */
2518 if (bmcst || (padapter->mlmepriv.LinkDetectInfo.NumTxOkInPeriod < 100))
2519 return;
2520
2521 priority = pattrib->priority;
2522
2523 psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra);
2524 if (pattrib->psta != psta)
2525 return;
2526
2527 if (!psta)
2528 return;
2529
2530 if (!(psta->state & _FW_LINKED))
2531 return;
2532
2533 phtpriv = &psta->htpriv;
2534
2535 if (phtpriv->ht_option && phtpriv->ampdu_enable) {
2536 issued = (phtpriv->agg_enable_bitmap>>priority)&0x1;
2537 issued |= (phtpriv->candidate_tid_bitmap>>priority)&0x1;
2538
2539 if (issued == 0) {
2540 psta->htpriv.candidate_tid_bitmap |= BIT((u8)priority);
2541 rtw_addbareq_cmd(padapter, (u8) priority, pattrib->ra);
2542 }
2543 }
2544
2545 }
2546
rtw_append_exented_cap(struct adapter * padapter,u8 * out_ie,uint * pout_len)2547 void rtw_append_exented_cap(struct adapter *padapter, u8 *out_ie, uint *pout_len)
2548 {
2549 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
2550 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
2551 u8 cap_content[8] = {0};
2552
2553 if (phtpriv->bss_coexist)
2554 SET_EXT_CAPABILITY_ELE_BSS_COEXIST(cap_content, 1);
2555
2556 rtw_set_ie(out_ie + *pout_len, WLAN_EID_EXT_CAPABILITY, 8, cap_content, pout_len);
2557 }
2558
rtw_set_to_roam(struct adapter * adapter,u8 to_roam)2559 inline void rtw_set_to_roam(struct adapter *adapter, u8 to_roam)
2560 {
2561 if (to_roam == 0)
2562 adapter->mlmepriv.to_join = false;
2563 adapter->mlmepriv.to_roam = to_roam;
2564 }
2565
rtw_dec_to_roam(struct adapter * adapter)2566 inline u8 rtw_dec_to_roam(struct adapter *adapter)
2567 {
2568 adapter->mlmepriv.to_roam--;
2569 return adapter->mlmepriv.to_roam;
2570 }
2571
rtw_to_roam(struct adapter * adapter)2572 inline u8 rtw_to_roam(struct adapter *adapter)
2573 {
2574 return adapter->mlmepriv.to_roam;
2575 }
2576
rtw_roaming(struct adapter * padapter,struct wlan_network * tgt_network)2577 void rtw_roaming(struct adapter *padapter, struct wlan_network *tgt_network)
2578 {
2579 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
2580
2581 spin_lock_bh(&pmlmepriv->lock);
2582 _rtw_roaming(padapter, tgt_network);
2583 spin_unlock_bh(&pmlmepriv->lock);
2584 }
_rtw_roaming(struct adapter * padapter,struct wlan_network * tgt_network)2585 void _rtw_roaming(struct adapter *padapter, struct wlan_network *tgt_network)
2586 {
2587 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
2588 struct wlan_network *cur_network = &pmlmepriv->cur_network;
2589
2590 if (rtw_to_roam(padapter) > 0) {
2591 memcpy(&pmlmepriv->assoc_ssid, &cur_network->network.ssid, sizeof(struct ndis_802_11_ssid));
2592
2593 pmlmepriv->assoc_by_bssid = false;
2594
2595 while (rtw_do_join(padapter) != _SUCCESS) {
2596 rtw_dec_to_roam(padapter);
2597 if (rtw_to_roam(padapter) <= 0) {
2598 rtw_indicate_disconnect(padapter);
2599 break;
2600 }
2601 }
2602 }
2603 }
2604
rtw_linked_check(struct adapter * padapter)2605 signed int rtw_linked_check(struct adapter *padapter)
2606 {
2607 if ((check_fwstate(&padapter->mlmepriv, WIFI_AP_STATE) == true) ||
2608 (check_fwstate(&padapter->mlmepriv, WIFI_ADHOC_STATE|WIFI_ADHOC_MASTER_STATE) == true)) {
2609 if (padapter->stapriv.asoc_sta_count > 2)
2610 return true;
2611 } else { /* Station mode */
2612 if (check_fwstate(&padapter->mlmepriv, _FW_LINKED) == true)
2613 return true;
2614 }
2615 return false;
2616 }
2617