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Merge branch 'core-objtool-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
[linux-block.git] / drivers / staging / rtl8723bs / core / rtw_mlme.c
CommitLineData
58391efd 1// SPDX-License-Identifier: GPL-2.0
554c0a3a
HG		 2/******************************************************************************
3 *
4 * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
5 *
554c0a3a
HG		 6 ******************************************************************************/
7#define _RTW_MLME_C_
8
2dcce8ed 9#include <linux/etherdevice.h>
554c0a3a
HG		 10#include <drv_types.h>
11#include <rtw_debug.h>
606e33ce 12#include <hal_btcoex.h>
554c0a3a
HG		 13#include <linux/jiffies.h>
14
15extern u8 rtw_do_join(struct adapter *padapter);
16
cb8de77c 17int rtw_init_mlme_priv(struct adapter *padapter)
554c0a3a 18{
2c506ddf 19 int i;
554c0a3a
HG		 20 u8 *pbuf;
21 struct wlan_network *pnetwork;
a883d97f 22 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
cb8de77c 23 int res = _SUCCESS;
554c0a3a 24
554c0a3a
HG		 25 pmlmepriv->nic_hdl = (u8 *)padapter;
26
27 pmlmepriv->pscanned = NULL;
28 pmlmepriv->fw_state = WIFI_STATION_STATE; /* Must sync with rtw_wdev_alloc() */
29 /* wdev->iftype = NL80211_IFTYPE_STATION */
30 pmlmepriv->cur_network.network.InfrastructureMode = Ndis802_11AutoUnknown;
31 pmlmepriv->scan_mode = SCAN_ACTIVE;/* 1: active, 0: pasive. Maybe someday we should rename this varable to "active_mode" (Jeff) */
32
367cdd13
ND		 33 spin_lock_init(&pmlmepriv->lock);
34 _rtw_init_queue(&pmlmepriv->free_bss_pool);
35 _rtw_init_queue(&pmlmepriv->scanned_queue);
554c0a3a
HG		 36
37 set_scanned_network_val(pmlmepriv, 0);
38
39 memset(&pmlmepriv->assoc_ssid, 0, sizeof(struct ndis_802_11_ssid));
40
fad953ce 41 pbuf = vzalloc(array_size(MAX_BSS_CNT, sizeof(struct wlan_network)));
554c0a3a 42
409e8332 43 if (!pbuf) {
554c0a3a
HG		 44 res = _FAIL;
45 goto exit;
46 }
47 pmlmepriv->free_bss_buf = pbuf;
48
49 pnetwork = (struct wlan_network *)pbuf;
50
51 for (i = 0; i < MAX_BSS_CNT; i++) {
367cdd13 52 INIT_LIST_HEAD(&pnetwork->list);
554c0a3a 53
367cdd13 54 list_add_tail(&pnetwork->list, &pmlmepriv->free_bss_pool.queue);
554c0a3a
HG		 55
56 pnetwork++;
57 }
58
59 /* allocate DMA-able/Non-Page memory for cmd_buf and rsp_buf */
60
61 rtw_clear_scan_deny(padapter);
62
63 #define RTW_ROAM_SCAN_RESULT_EXP_MS 5000
64 #define RTW_ROAM_RSSI_DIFF_TH 10
65 #define RTW_ROAM_SCAN_INTERVAL_MS 10000
66
67 pmlmepriv->roam_flags = 0
68 | RTW_ROAM_ON_EXPIRED
69 | RTW_ROAM_ON_RESUME
70 #ifdef CONFIG_LAYER2_ROAMING_ACTIVE /* FIXME */
71 | RTW_ROAM_ACTIVE
72 #endif
73 ;
74
75 pmlmepriv->roam_scanr_exp_ms = RTW_ROAM_SCAN_RESULT_EXP_MS;
76 pmlmepriv->roam_rssi_diff_th = RTW_ROAM_RSSI_DIFF_TH;
77 pmlmepriv->roam_scan_int_ms = RTW_ROAM_SCAN_INTERVAL_MS;
78
79 rtw_init_mlme_timer(padapter);
80
81exit:
82
83 return res;
84}
85
86static void rtw_free_mlme_ie_data(u8 **ppie, u32 *plen)
87{
88 if (*ppie) {
89 kfree(*ppie);
90 *plen = 0;
91 *ppie = NULL;
92 }
93}
94
95void 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
111void _rtw_free_mlme_priv(struct mlme_priv *pmlmepriv)
112{
554c0a3a 113 if (pmlmepriv) {
ec141219 114 rtw_free_mlme_priv_ie_data(pmlmepriv);
92f87db5 115 if (pmlmepriv->free_bss_buf)
554c0a3a 116 vfree(pmlmepriv->free_bss_buf);
554c0a3a
HG		 117 }
118}
119
120/*
121struct wlan_network *_rtw_dequeue_network(struct __queue *queue)
122{
123 _irqL irqL;
124
125 struct wlan_network *pnetwork;
126
127 spin_lock_bh(&queue->lock);
128
129 if (list_empty(&queue->queue))
130
131 pnetwork = NULL;
132
133 else
134 {
135 pnetwork = LIST_CONTAINOR(get_next(&queue->queue), struct wlan_network, list);
136
137 list_del_init(&(pnetwork->list));
138 }
139
140 spin_unlock_bh(&queue->lock);
141
142 return pnetwork;
143}
144*/
145
8e97f7d8 146struct wlan_network *rtw_alloc_network(struct mlme_priv *pmlmepriv)
554c0a3a
HG		 147{
148 struct wlan_network *pnetwork;
149 struct __queue *free_queue = &pmlmepriv->free_bss_pool;
150 struct list_head *plist = NULL;
151
152 spin_lock_bh(&free_queue->lock);
153
154 if (list_empty(&free_queue->queue)) {
155 pnetwork = NULL;
156 goto exit;
157 }
158 plist = get_next(&(free_queue->queue));
159
160 pnetwork = LIST_CONTAINOR(plist, struct wlan_network, list);
161
162 list_del_init(&pnetwork->list);
163
8e97f7d8
ND		 164 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
165 ("rtw_alloc_network: ptr =%p\n", plist));
554c0a3a
HG		 166 pnetwork->network_type = 0;
167 pnetwork->fixed = false;
168 pnetwork->last_scanned = jiffies;
169 pnetwork->aid = 0;
170 pnetwork->join_res = 0;
171
172 pmlmepriv->num_of_scanned++;
173
174exit:
175 spin_unlock_bh(&free_queue->lock);
176
177 return pnetwork;
178}
179
180void _rtw_free_network(struct mlme_priv *pmlmepriv, struct wlan_network *pnetwork, u8 isfreeall)
181{
182 unsigned int delta_time;
183 u32 lifetime = SCANQUEUE_LIFETIME;
184/* _irqL irqL; */
185 struct __queue *free_queue = &(pmlmepriv->free_bss_pool);
186
409e8332 187 if (!pnetwork)
554c0a3a
HG		 188 return;
189
e7e12d66 190 if (pnetwork->fixed)
554c0a3a
HG		 191 return;
192
193 if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == true) ||
194 (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true))
195 lifetime = 1;
196
197 if (!isfreeall) {
198 delta_time = jiffies_to_msecs(jiffies - pnetwork->last_scanned);
199 if (delta_time < lifetime)/* unit:msec */
200 return;
201 }
202
203 spin_lock_bh(&free_queue->lock);
204
205 list_del_init(&(pnetwork->list));
206
207 list_add_tail(&(pnetwork->list), &(free_queue->queue));
208
209 pmlmepriv->num_of_scanned--;
210
554c0a3a
HG		 211 /* DBG_871X("_rtw_free_network:SSID =%s\n", pnetwork->network.Ssid.Ssid); */
212
213 spin_unlock_bh(&free_queue->lock);
214}
215
216void _rtw_free_network_nolock(struct mlme_priv *pmlmepriv, struct wlan_network *pnetwork)
217{
218
219 struct __queue *free_queue = &(pmlmepriv->free_bss_pool);
220
409e8332 221 if (!pnetwork)
554c0a3a
HG		 222 return;
223
e7e12d66 224 if (pnetwork->fixed)
554c0a3a
HG		 225 return;
226
227 /* spin_lock_irqsave(&free_queue->lock, irqL); */
228
229 list_del_init(&(pnetwork->list));
230
231 list_add_tail(&(pnetwork->list), get_list_head(free_queue));
232
233 pmlmepriv->num_of_scanned--;
234
235 /* spin_unlock_irqrestore(&free_queue->lock, irqL); */
236}
237
238/*
239 return the wlan_network with the matching addr
240
d7206352 241 Shall be called under atomic context... to avoid possible racing condition...
554c0a3a
HG		 242*/
243struct wlan_network *_rtw_find_network(struct __queue *scanned_queue, u8 *addr)
244{
245 struct list_head *phead, *plist;
246 struct wlan_network *pnetwork = NULL;
247 u8 zero_addr[ETH_ALEN] = {0, 0, 0, 0, 0, 0};
248
249 if (!memcmp(zero_addr, addr, ETH_ALEN)) {
250 pnetwork = NULL;
251 goto exit;
252 }
253
254 /* spin_lock_bh(&scanned_queue->lock); */
255
256 phead = get_list_head(scanned_queue);
257 plist = get_next(phead);
258
259 while (plist != phead) {
260 pnetwork = LIST_CONTAINOR(plist, struct wlan_network, list);
261
262 if (!memcmp(addr, pnetwork->network.MacAddress, ETH_ALEN))
263 break;
264
265 plist = get_next(plist);
266 }
267
268 if (plist == phead)
269 pnetwork = NULL;
270
271 /* spin_unlock_bh(&scanned_queue->lock); */
272
273exit:
274 return pnetwork;
275}
276
2b524fc4 277void rtw_free_network_queue(struct adapter *padapter, u8 isfreeall)
554c0a3a
HG		 278{
279 struct list_head *phead, *plist;
280 struct wlan_network *pnetwork;
281 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
282 struct __queue *scanned_queue = &pmlmepriv->scanned_queue;
283
284 spin_lock_bh(&scanned_queue->lock);
285
286 phead = get_list_head(scanned_queue);
287 plist = get_next(phead);
288
289 while (phead != plist) {
290
291 pnetwork = LIST_CONTAINOR(plist, struct wlan_network, list);
292
293 plist = get_next(plist);
294
295 _rtw_free_network(pmlmepriv, pnetwork, isfreeall);
296
297 }
298
299 spin_unlock_bh(&scanned_queue->lock);
300}
301
554c0a3a
HG		 302sint rtw_if_up(struct adapter *padapter)
303{
554c0a3a
HG		 304 sint res;
305
306 if (padapter->bDriverStopped || padapter->bSurpriseRemoved ||
307 (check_fwstate(&padapter->mlmepriv, _FW_LINKED) == false)) {
308 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("rtw_if_up:bDriverStopped(%d) OR bSurpriseRemoved(%d)", padapter->bDriverStopped, padapter->bSurpriseRemoved));
309 res = false;
310 } else
311 res = true;
312 return res;
313}
314
554c0a3a
HG		 315void rtw_generate_random_ibss(u8 *pibss)
316{
317 unsigned long curtime = jiffies;
318
319 pibss[0] = 0x02; /* in ad-hoc mode bit1 must set to 1 */
320 pibss[1] = 0x11;
321 pibss[2] = 0x87;
322 pibss[3] = (u8)(curtime & 0xff) ;/* p[0]; */
323 pibss[4] = (u8)((curtime>>8) & 0xff) ;/* p[1]; */
324 pibss[5] = (u8)((curtime>>16) & 0xff) ;/* p[2]; */
554c0a3a
HG		 325}
326
327u8 *rtw_get_capability_from_ie(u8 *ie)
328{
fbf99f66 329 return ie + 8 + 2;
554c0a3a
HG		 330}
331
554c0a3a
HG		 332u16 rtw_get_capability(struct wlan_bssid_ex *bss)
333{
334 __le16 val;
335
336 memcpy((u8 *)&val, rtw_get_capability_from_ie(bss->IEs), 2);
337
338 return le16_to_cpu(val);
339}
340
341u8 *rtw_get_beacon_interval_from_ie(u8 *ie)
342{
fbf99f66 343 return ie + 8;
554c0a3a
HG		 344}
345
554c0a3a
HG		 346void rtw_free_mlme_priv(struct mlme_priv *pmlmepriv)
347{
348 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("rtw_free_mlme_priv\n"));
349 _rtw_free_mlme_priv(pmlmepriv);
350}
351
352/*
353static struct wlan_network *rtw_dequeue_network(struct __queue *queue)
354{
355 struct wlan_network *pnetwork;
356
357 pnetwork = _rtw_dequeue_network(queue);
358 return pnetwork;
359}
360*/
361
554c0a3a
HG		 362void rtw_free_network_nolock(struct adapter *padapter, struct wlan_network *pnetwork);
363void rtw_free_network_nolock(struct adapter *padapter, struct wlan_network *pnetwork)
364{
365 /* RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("rtw_free_network ==> ssid = %s\n\n" , pnetwork->network.Ssid.Ssid)); */
366 _rtw_free_network_nolock(&(padapter->mlmepriv), pnetwork);
367 rtw_cfg80211_unlink_bss(padapter, pnetwork);
368}
369
554c0a3a
HG		 370/*
371 return the wlan_network with the matching addr
372
d7206352 373 Shall be called under atomic context... to avoid possible racing condition...
554c0a3a
HG		 374*/
375struct wlan_network *rtw_find_network(struct __queue *scanned_queue, u8 *addr)
376{
377 struct wlan_network *pnetwork = _rtw_find_network(scanned_queue, addr);
378
379 return pnetwork;
380}
381
382int rtw_is_same_ibss(struct adapter *adapter, struct wlan_network *pnetwork)
383{
384 int ret = true;
385 struct security_priv *psecuritypriv = &adapter->securitypriv;
386
387 if ((psecuritypriv->dot11PrivacyAlgrthm != _NO_PRIVACY_) &&
388 (pnetwork->network.Privacy == 0))
389 ret = false;
390 else if ((psecuritypriv->dot11PrivacyAlgrthm == _NO_PRIVACY_) &&
391 (pnetwork->network.Privacy == 1))
392 ret = false;
393 else
394 ret = true;
395
396 return ret;
397
398}
399
400inline int is_same_ess(struct wlan_bssid_ex *a, struct wlan_bssid_ex *b)
401{
402 /* RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("(%s,%d)(%s,%d)\n", */
403 /* a->Ssid.Ssid, a->Ssid.SsidLength, b->Ssid.Ssid, b->Ssid.SsidLength)); */
404 return (a->Ssid.SsidLength == b->Ssid.SsidLength)
405 && !memcmp(a->Ssid.Ssid, b->Ssid.Ssid, a->Ssid.SsidLength);
406}
407
408int is_same_network(struct wlan_bssid_ex *src, struct wlan_bssid_ex *dst, u8 feature)
409{
410 u16 s_cap, d_cap;
411 __le16 tmps, tmpd;
412
413 if (rtw_bug_check(dst, src, &s_cap, &d_cap) == false)
414 return false;
415
416 memcpy((u8 *)&tmps, rtw_get_capability_from_ie(src->IEs), 2);
417 memcpy((u8 *)&tmpd, rtw_get_capability_from_ie(dst->IEs), 2);
418
554c0a3a
HG		 419 s_cap = le16_to_cpu(tmps);
420 d_cap = le16_to_cpu(tmpd);
421
fbf99f66 422 return (src->Ssid.SsidLength == dst->Ssid.SsidLength) &&
554c0a3a
HG		 423 /* (src->Configuration.DSConfig == dst->Configuration.DSConfig) && */
424 ((!memcmp(src->MacAddress, dst->MacAddress, ETH_ALEN))) &&
425 ((!memcmp(src->Ssid.Ssid, dst->Ssid.Ssid, src->Ssid.SsidLength))) &&
426 ((s_cap & WLAN_CAPABILITY_IBSS) ==
427 (d_cap & WLAN_CAPABILITY_IBSS)) &&
428 ((s_cap & WLAN_CAPABILITY_BSS) ==
fbf99f66 429 (d_cap & WLAN_CAPABILITY_BSS));
554c0a3a
HG		 430
431}
432
433struct wlan_network *_rtw_find_same_network(struct __queue *scanned_queue, struct wlan_network *network)
434{
435 struct list_head *phead, *plist;
436 struct wlan_network *found = NULL;
437
438 phead = get_list_head(scanned_queue);
439 plist = get_next(phead);
440
441 while (plist != phead) {
442 found = LIST_CONTAINOR(plist, struct wlan_network, list);
443
444 if (is_same_network(&network->network, &found->network, 0))
445 break;
446
447 plist = get_next(plist);
448 }
449
450 if (plist == phead)
451 found = NULL;
452
453 return found;
454}
455
456struct wlan_network *rtw_get_oldest_wlan_network(struct __queue *scanned_queue)
457{
458 struct list_head *plist, *phead;
459
554c0a3a
HG		 460 struct wlan_network *pwlan = NULL;
461 struct wlan_network *oldest = NULL;
462
463 phead = get_list_head(scanned_queue);
464
465 plist = get_next(phead);
466
467 while (1) {
468
469 if (phead == plist)
470 break;
471
472 pwlan = LIST_CONTAINOR(plist, struct wlan_network, list);
473
e7e12d66 474 if (!pwlan->fixed) {
554c0a3a
HG		 475 if (oldest == NULL || time_after(oldest->last_scanned, pwlan->last_scanned))
476 oldest = pwlan;
477 }
478
479 plist = get_next(plist);
480 }
481 return oldest;
482
483}
484
485void update_network(struct wlan_bssid_ex *dst, struct wlan_bssid_ex *src,
486 struct adapter *padapter, bool update_ie)
487{
488 long rssi_ori = dst->Rssi;
489
490 u8 sq_smp = src->PhyInfo.SignalQuality;
491
492 u8 ss_final;
493 u8 sq_final;
494 long rssi_final;
495
496 #if defined(DBG_RX_SIGNAL_DISPLAY_SSID_MONITORED) && 1
497 if (strcmp(dst->Ssid.Ssid, DBG_RX_SIGNAL_DISPLAY_SSID_MONITORED) == 0) {
498 DBG_871X(FUNC_ADPT_FMT" %s("MAC_FMT", ch%u) ss_ori:%3u, sq_ori:%3u, rssi_ori:%3ld, ss_smp:%3u, sq_smp:%3u, rssi_smp:%3ld\n"
499 , FUNC_ADPT_ARG(padapter)
500 , src->Ssid.Ssid, MAC_ARG(src->MacAddress), src->Configuration.DSConfig
501 , ss_ori, sq_ori, rssi_ori
502 , ss_smp, sq_smp, rssi_smp
503 );
504 }
505 #endif
506
507 /* The rule below is 1/5 for sample value, 4/5 for history value */
508 if (check_fwstate(&padapter->mlmepriv, _FW_LINKED) && is_same_network(&(padapter->mlmepriv.cur_network.network), src, 0)) {
509 /* Take the recvpriv's value for the connected AP*/
510 ss_final = padapter->recvpriv.signal_strength;
511 sq_final = padapter->recvpriv.signal_qual;
512 /* the rssi value here is undecorated, and will be used for antenna diversity */
513 if (sq_smp != 101) /* from the right channel */
514 rssi_final = (src->Rssi+dst->Rssi*4)/5;
515 else
516 rssi_final = rssi_ori;
517 } else {
518 if (sq_smp != 101) { /* from the right channel */
519 ss_final = ((u32)(src->PhyInfo.SignalStrength)+(u32)(dst->PhyInfo.SignalStrength)*4)/5;
520 sq_final = ((u32)(src->PhyInfo.SignalQuality)+(u32)(dst->PhyInfo.SignalQuality)*4)/5;
521 rssi_final = (src->Rssi+dst->Rssi*4)/5;
522 } else {
d7206352 523 /* bss info not receiving from the right channel, use the original RX signal infos */
554c0a3a
HG		 524 ss_final = dst->PhyInfo.SignalStrength;
525 sq_final = dst->PhyInfo.SignalQuality;
526 rssi_final = dst->Rssi;
527 }
528
529 }
530
531 if (update_ie) {
532 dst->Reserved[0] = src->Reserved[0];
533 dst->Reserved[1] = src->Reserved[1];
534 memcpy((u8 *)dst, (u8 *)src, get_wlan_bssid_ex_sz(src));
535 }
536
537 dst->PhyInfo.SignalStrength = ss_final;
538 dst->PhyInfo.SignalQuality = sq_final;
539 dst->Rssi = rssi_final;
540
541 #if defined(DBG_RX_SIGNAL_DISPLAY_SSID_MONITORED) && 1
542 if (strcmp(dst->Ssid.Ssid, DBG_RX_SIGNAL_DISPLAY_SSID_MONITORED) == 0) {
543 DBG_871X(FUNC_ADPT_FMT" %s("MAC_FMT"), SignalStrength:%u, SignalQuality:%u, RawRSSI:%ld\n"
544 , FUNC_ADPT_ARG(padapter)
545 , dst->Ssid.Ssid, MAC_ARG(dst->MacAddress), dst->PhyInfo.SignalStrength, dst->PhyInfo.SignalQuality, dst->Rssi);
546 }
547 #endif
548}
549
550static void update_current_network(struct adapter *adapter, struct wlan_bssid_ex *pnetwork)
551{
552 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
553
554 rtw_bug_check(&(pmlmepriv->cur_network.network),
555 &(pmlmepriv->cur_network.network),
556 &(pmlmepriv->cur_network.network),
557 &(pmlmepriv->cur_network.network));
558
559 if ((check_fwstate(pmlmepriv, _FW_LINKED) == true) && (is_same_network(&(pmlmepriv->cur_network.network), pnetwork, 0))) {
560 /* RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,"Same Network\n"); */
561
562 /* if (pmlmepriv->cur_network.network.IELength<= pnetwork->IELength) */
563 {
564 update_network(&(pmlmepriv->cur_network.network), pnetwork, adapter, true);
565 rtw_update_protection(adapter, (pmlmepriv->cur_network.network.IEs) + sizeof(struct ndis_802_11_fix_ie),
566 pmlmepriv->cur_network.network.IELength);
567 }
568 }
569}
570
554c0a3a 571/*
554c0a3a 572Caller must hold pmlmepriv->lock first.
554c0a3a
HG		 573*/
574void rtw_update_scanned_network(struct adapter *adapter, struct wlan_bssid_ex *target)
575{
576 struct list_head *plist, *phead;
577 u32 bssid_ex_sz;
578 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
579 struct __queue *queue = &(pmlmepriv->scanned_queue);
580 struct wlan_network *pnetwork = NULL;
581 struct wlan_network *oldest = NULL;
582 int target_find = 0;
583 u8 feature = 0;
584
585 spin_lock_bh(&queue->lock);
586 phead = get_list_head(queue);
587 plist = get_next(phead);
588
589 while (1) {
590 if (phead == plist)
591 break;
592
593 pnetwork = LIST_CONTAINOR(plist, struct wlan_network, list);
594
595 rtw_bug_check(pnetwork, pnetwork, pnetwork, pnetwork);
596
597 if (is_same_network(&(pnetwork->network), target, feature)) {
598 target_find = 1;
599 break;
600 }
601
602 if (rtw_roam_flags(adapter)) {
603 /* TODO: don't select netowrk in the same ess as oldest if it's new enough*/
604 }
605
606 if (oldest == NULL || time_after(oldest->last_scanned, pnetwork->last_scanned))
607 oldest = pnetwork;
608
609 plist = get_next(plist);
610
611 }
612
554c0a3a
HG		 613 /* If we didn't find a match, then get a new network slot to initialize
614 * with this beacon's information */
615 /* if (phead == plist) { */
616 if (!target_find) {
617 if (list_empty(&pmlmepriv->free_bss_pool.queue)) {
618 /* If there are no more slots, expire the oldest */
619 /* list_del_init(&oldest->list); */
620 pnetwork = oldest;
409e8332 621 if (!pnetwork) {
554c0a3a
HG		 622 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n\n\nsomething wrong here\n\n\n"));
623 goto exit;
624 }
625 memcpy(&(pnetwork->network), target, get_wlan_bssid_ex_sz(target));
626 /* variable initialize */
627 pnetwork->fixed = false;
628 pnetwork->last_scanned = jiffies;
629
630 pnetwork->network_type = 0;
631 pnetwork->aid = 0;
632 pnetwork->join_res = 0;
633
d7206352 634 /* bss info not receiving from the right channel */
554c0a3a
HG		 635 if (pnetwork->network.PhyInfo.SignalQuality == 101)
636 pnetwork->network.PhyInfo.SignalQuality = 0;
637 } else {
638 /* Otherwise just pull from the free list */
639
640 pnetwork = rtw_alloc_network(pmlmepriv); /* will update scan_time */
641
409e8332 642 if (!pnetwork) {
554c0a3a
HG		 643 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n\n\nsomething wrong here\n\n\n"));
644 goto exit;
645 }
646
647 bssid_ex_sz = get_wlan_bssid_ex_sz(target);
648 target->Length = bssid_ex_sz;
649 memcpy(&(pnetwork->network), target, bssid_ex_sz);
650
651 pnetwork->last_scanned = jiffies;
652
d7206352 653 /* bss info not receiving from the right channel */
554c0a3a
HG		 654 if (pnetwork->network.PhyInfo.SignalQuality == 101)
655 pnetwork->network.PhyInfo.SignalQuality = 0;
656
657 list_add_tail(&(pnetwork->list), &(queue->queue));
658
659 }
660 } else {
661 /* we have an entry and we are going to update it. But this entry may
662 * be already expired. In this case we do the same as we found a new
663 * net and call the new_net handler
664 */
665 bool update_ie = true;
666
667 pnetwork->last_scanned = jiffies;
668
d7206352 669 /* target.Reserved[0]== 1, means that scanned network is a bcn frame. */
554c0a3a
HG		 670 if ((pnetwork->network.IELength > target->IELength) && (target->Reserved[0] == 1))
671 update_ie = false;
672
673 /* probe resp(3) > beacon(1) > probe req(2) */
674 if ((target->Reserved[0] != 2) &&
675 (target->Reserved[0] >= pnetwork->network.Reserved[0])
676 ) {
677 update_ie = true;
678 } else {
679 update_ie = false;
680 }
681
682 update_network(&(pnetwork->network), target, adapter, update_ie);
683 }
684
685exit:
686 spin_unlock_bh(&queue->lock);
687}
688
689void rtw_add_network(struct adapter *adapter, struct wlan_bssid_ex *pnetwork);
690void rtw_add_network(struct adapter *adapter, struct wlan_bssid_ex *pnetwork)
691{
692 /* struct __queue *queue = &(pmlmepriv->scanned_queue); */
693
694 /* spin_lock_bh(&queue->lock); */
695
696 update_current_network(adapter, pnetwork);
697
698 rtw_update_scanned_network(adapter, pnetwork);
699
700 /* spin_unlock_bh(&queue->lock); */
701}
702
703/* select the desired network based on the capability of the (i)bss. */
704/* check items: (1) security */
705/* (2) network_type */
706/* (3) WMM */
707/* (4) HT */
708/* (5) others */
709int rtw_is_desired_network(struct adapter *adapter, struct wlan_network *pnetwork);
710int rtw_is_desired_network(struct adapter *adapter, struct wlan_network *pnetwork)
711{
712 struct security_priv *psecuritypriv = &adapter->securitypriv;
713 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
714 u32 desired_encmode;
715 u32 privacy;
716
717 /* u8 wps_ie[512]; */
718 uint wps_ielen;
719
720 int bselected = true;
721
722 desired_encmode = psecuritypriv->ndisencryptstatus;
723 privacy = pnetwork->network.Privacy;
724
725 if (check_fwstate(pmlmepriv, WIFI_UNDER_WPS)) {
409e8332 726 if (rtw_get_wps_ie(pnetwork->network.IEs+_FIXED_IE_LENGTH_, pnetwork->network.IELength-_FIXED_IE_LENGTH_, NULL, &wps_ielen))
554c0a3a
HG		 727 return true;
728 else
729 return false;
730
731 }
732 if (adapter->registrypriv.wifi_spec == 1) { /* for correct flow of 8021X to do.... */
733 u8 *p = NULL;
734 uint ie_len = 0;
735
736 if ((desired_encmode == Ndis802_11EncryptionDisabled) && (privacy != 0))
737 bselected = false;
738
739 if (psecuritypriv->ndisauthtype == Ndis802_11AuthModeWPA2PSK) {
740 p = rtw_get_ie(pnetwork->network.IEs + _BEACON_IE_OFFSET_, _RSN_IE_2_, &ie_len, (pnetwork->network.IELength - _BEACON_IE_OFFSET_));
92f87db5 741 if (p && ie_len > 0)
554c0a3a 742 bselected = true;
92f87db5 743 else
554c0a3a 744 bselected = false;
554c0a3a
HG		 745 }
746 }
747
554c0a3a
HG		 748 if ((desired_encmode != Ndis802_11EncryptionDisabled) && (privacy == 0)) {
749 DBG_871X("desired_encmode: %d, privacy: %d\n", desired_encmode, privacy);
750 bselected = false;
751 }
752
753 if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true) {
754 if (pnetwork->network.InfrastructureMode != pmlmepriv->cur_network.network.InfrastructureMode)
755 bselected = false;
756 }
757
554c0a3a
HG		 758 return bselected;
759}
760
761/* TODO: Perry : For Power Management */
762void rtw_atimdone_event_callback(struct adapter *adapter, u8 *pbuf)
763{
b4a2b208 764 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("receive atimdone_event\n"));
554c0a3a
HG		 765}
766
554c0a3a
HG		 767void rtw_survey_event_callback(struct adapter *adapter, u8 *pbuf)
768{
769 u32 len;
770 struct wlan_bssid_ex *pnetwork;
771 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
772
773 pnetwork = (struct wlan_bssid_ex *)pbuf;
774
775 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("rtw_survey_event_callback, ssid =%s\n", pnetwork->Ssid.Ssid));
776
777 len = get_wlan_bssid_ex_sz(pnetwork);
778 if (len > (sizeof(struct wlan_bssid_ex))) {
779 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n ****rtw_survey_event_callback: return a wrong bss ***\n"));
780 return;
781 }
782
554c0a3a
HG		 783 spin_lock_bh(&pmlmepriv->lock);
784
785 /* update IBSS_network 's timestamp */
786 if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) == true) {
787 /* RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,"rtw_survey_event_callback : WIFI_ADHOC_MASTER_STATE\n\n"); */
788 if (!memcmp(&(pmlmepriv->cur_network.network.MacAddress), pnetwork->MacAddress, ETH_ALEN)) {
789 struct wlan_network *ibss_wlan = NULL;
790
791 memcpy(pmlmepriv->cur_network.network.IEs, pnetwork->IEs, 8);
792 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
793 ibss_wlan = rtw_find_network(&pmlmepriv->scanned_queue, pnetwork->MacAddress);
794 if (ibss_wlan) {
795 memcpy(ibss_wlan->network.IEs, pnetwork->IEs, 8);
796 spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
797 goto exit;
798 }
799 spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
800 }
801 }
802
803 /* lock pmlmepriv->lock when you accessing network_q */
804 if ((check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) == false) {
92f87db5 805 if (pnetwork->Ssid.Ssid[0] == 0)
554c0a3a 806 pnetwork->Ssid.SsidLength = 0;
554c0a3a
HG		 807 rtw_add_network(adapter, pnetwork);
808 }
809
810exit:
811
812 spin_unlock_bh(&pmlmepriv->lock);
554c0a3a
HG		 813}
814
554c0a3a
HG		 815void rtw_surveydone_event_callback(struct adapter *adapter, u8 *pbuf)
816{
817 u8 timer_cancelled = false;
818 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
819
820 spin_lock_bh(&pmlmepriv->lock);
821 if (pmlmepriv->wps_probe_req_ie) {
822 pmlmepriv->wps_probe_req_ie_len = 0;
823 kfree(pmlmepriv->wps_probe_req_ie);
824 pmlmepriv->wps_probe_req_ie = NULL;
825 }
826
827 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("rtw_surveydone_event_callback: fw_state:%x\n\n", get_fwstate(pmlmepriv)));
828
829 if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY)) {
830 /* u8 timer_cancelled; */
831
832 timer_cancelled = true;
833 /* _cancel_timer(&pmlmepriv->scan_to_timer, &timer_cancelled); */
834
835 _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY);
836 } else {
837
838 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("nic status =%x, survey done event comes too late!\n", get_fwstate(pmlmepriv)));
839 }
840 spin_unlock_bh(&pmlmepriv->lock);
841
842 if (timer_cancelled)
843 _cancel_timer(&pmlmepriv->scan_to_timer, &timer_cancelled);
844
554c0a3a
HG		 845 spin_lock_bh(&pmlmepriv->lock);
846
847 rtw_set_signal_stat_timer(&adapter->recvpriv);
848
e7e12d66 849 if (pmlmepriv->to_join) {
554c0a3a
HG		 850 if ((check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true)) {
851 if (check_fwstate(pmlmepriv, _FW_LINKED) == false) {
852 set_fwstate(pmlmepriv, _FW_UNDER_LINKING);
853
854 if (rtw_select_and_join_from_scanned_queue(pmlmepriv) == _SUCCESS) {
855 _set_timer(&pmlmepriv->assoc_timer, MAX_JOIN_TIMEOUT);
cb9a242c 856 } else {
554c0a3a
HG		 857 struct wlan_bssid_ex *pdev_network = &(adapter->registrypriv.dev_network);
858 u8 *pibss = adapter->registrypriv.dev_network.MacAddress;
859
860 /* pmlmepriv->fw_state ^= _FW_UNDER_SURVEY;because don't set assoc_timer */
861 _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY);
862
863 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("switching to adhoc master\n"));
864
554c0a3a
HG		 865 memcpy(&pdev_network->Ssid, &pmlmepriv->assoc_ssid, sizeof(struct ndis_802_11_ssid));
866
867 rtw_update_registrypriv_dev_network(adapter);
868 rtw_generate_random_ibss(pibss);
869
870 pmlmepriv->fw_state = WIFI_ADHOC_MASTER_STATE;
871
92f87db5
WK		 872 if (rtw_createbss_cmd(adapter) != _SUCCESS)
873 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Error =>rtw_createbss_cmd status FAIL\n"));
554c0a3a
HG		 874
875 pmlmepriv->to_join = false;
876 }
877 }
cb9a242c 878 } else {
554c0a3a
HG		 879 int s_ret;
880 set_fwstate(pmlmepriv, _FW_UNDER_LINKING);
881 pmlmepriv->to_join = false;
882 s_ret = rtw_select_and_join_from_scanned_queue(pmlmepriv);
883 if (_SUCCESS == s_ret) {
884 _set_timer(&pmlmepriv->assoc_timer, MAX_JOIN_TIMEOUT);
885 } else if (s_ret == 2) {/* there is no need to wait for join */
886 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
887 rtw_indicate_connect(adapter);
cb9a242c 888 } else {
554c0a3a
HG		 889 DBG_871X("try_to_join, but select scanning queue fail, to_roam:%d\n", rtw_to_roam(adapter));
890
891 if (rtw_to_roam(adapter) != 0) {
892 if (rtw_dec_to_roam(adapter) == 0
893 || _SUCCESS != rtw_sitesurvey_cmd(adapter, &pmlmepriv->assoc_ssid, 1, NULL, 0)
894 ) {
895 rtw_set_to_roam(adapter, 0);
554c0a3a
HG		 896 rtw_free_assoc_resources(adapter, 1);
897 rtw_indicate_disconnect(adapter);
898 } else {
899 pmlmepriv->to_join = true;
900 }
901 } else
902 rtw_indicate_disconnect(adapter);
903
904 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
905 }
906 }
907 } else {
908 if (rtw_chk_roam_flags(adapter, RTW_ROAM_ACTIVE)) {
909 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)
910 && check_fwstate(pmlmepriv, _FW_LINKED)) {
911 if (rtw_select_roaming_candidate(pmlmepriv) == _SUCCESS) {
912 receive_disconnect(adapter, pmlmepriv->cur_network.network.MacAddress
913 , WLAN_REASON_ACTIVE_ROAM);
914 }
915 }
916 }
917 }
918
919 /* DBG_871X("scan complete in %dms\n", jiffies_to_msecs(jiffies - pmlmepriv->scan_start_time)); */
920
921 spin_unlock_bh(&pmlmepriv->lock);
922
923 rtw_os_xmit_schedule(adapter);
924
925 rtw_cfg80211_surveydone_event_callback(adapter);
926
927 rtw_indicate_scan_done(adapter, false);
928}
929
930void rtw_dummy_event_callback(struct adapter *adapter, u8 *pbuf)
931{
932}
933
934void rtw_fwdbg_event_callback(struct adapter *adapter, u8 *pbuf)
935{
936}
937
938static void free_scanqueue(struct mlme_priv *pmlmepriv)
939{
940 struct __queue *free_queue = &pmlmepriv->free_bss_pool;
941 struct __queue *scan_queue = &pmlmepriv->scanned_queue;
942 struct list_head *plist, *phead, *ptemp;
943
944 RT_TRACE(_module_rtl871x_mlme_c_, _drv_notice_, ("+free_scanqueue\n"));
945 spin_lock_bh(&scan_queue->lock);
946 spin_lock_bh(&free_queue->lock);
947
948 phead = get_list_head(scan_queue);
949 plist = get_next(phead);
950
951 while (plist != phead) {
952 ptemp = get_next(plist);
953 list_del_init(plist);
954 list_add_tail(plist, &free_queue->queue);
955 plist = ptemp;
956 pmlmepriv->num_of_scanned--;
957 }
958
959 spin_unlock_bh(&free_queue->lock);
960 spin_unlock_bh(&scan_queue->lock);
961}
962
963static void rtw_reset_rx_info(struct debug_priv *pdbgpriv)
964{
965 pdbgpriv->dbg_rx_ampdu_drop_count = 0;
966 pdbgpriv->dbg_rx_ampdu_forced_indicate_count = 0;
967 pdbgpriv->dbg_rx_ampdu_loss_count = 0;
968 pdbgpriv->dbg_rx_dup_mgt_frame_drop_count = 0;
969 pdbgpriv->dbg_rx_ampdu_window_shift_cnt = 0;
970}
971
972static void find_network(struct adapter *adapter)
973{
974 struct wlan_network *pwlan = NULL;
975 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
976 struct wlan_network *tgt_network = &pmlmepriv->cur_network;
977
978 pwlan = rtw_find_network(&pmlmepriv->scanned_queue, tgt_network->network.MacAddress);
979 if (pwlan)
980 pwlan->fixed = false;
981 else
982 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("rtw_free_assoc_resources : pwlan == NULL\n\n"));
983
554c0a3a
HG		 984 if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) &&
985 (adapter->stapriv.asoc_sta_count == 1))
986 rtw_free_network_nolock(adapter, pwlan);
987}
988
989/*
990*rtw_free_assoc_resources: the caller has to lock pmlmepriv->lock
991*/
992void rtw_free_assoc_resources(struct adapter *adapter, int lock_scanned_queue)
993{
994 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
995 struct wlan_network *tgt_network = &pmlmepriv->cur_network;
996 struct sta_priv *pstapriv = &adapter->stapriv;
997 struct dvobj_priv *psdpriv = adapter->dvobj;
998 struct debug_priv *pdbgpriv = &psdpriv->drv_dbg;
999
1000 RT_TRACE(_module_rtl871x_mlme_c_, _drv_notice_, ("+rtw_free_assoc_resources\n"));
1001 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("tgt_network->network.MacAddress ="MAC_FMT" ssid =%s\n",
1002 MAC_ARG(tgt_network->network.MacAddress), tgt_network->network.Ssid.Ssid));
1003
1004 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE|WIFI_AP_STATE)) {
1005 struct sta_info *psta;
1006
1007 psta = rtw_get_stainfo(&adapter->stapriv, tgt_network->network.MacAddress);
1008 spin_lock_bh(&(pstapriv->sta_hash_lock));
1009 rtw_free_stainfo(adapter, psta);
1010
1011 spin_unlock_bh(&(pstapriv->sta_hash_lock));
1012
1013 }
1014
1015 if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE|WIFI_ADHOC_MASTER_STATE|WIFI_AP_STATE)) {
1016 struct sta_info *psta;
1017
1018 rtw_free_all_stainfo(adapter);
1019
1020 psta = rtw_get_bcmc_stainfo(adapter);
1021 rtw_free_stainfo(adapter, psta);
1022
1023 rtw_init_bcmc_stainfo(adapter);
1024 }
1025
d9c7dd5d 1026 find_network(adapter);
554c0a3a
HG		 1027
1028 if (lock_scanned_queue)
50049224 1029 adapter->securitypriv.key_mask = 0;
554c0a3a
HG		 1030
1031 rtw_reset_rx_info(pdbgpriv);
1032}
1033
1034/*
1035*rtw_indicate_connect: the caller has to lock pmlmepriv->lock
1036*/
1037void rtw_indicate_connect(struct adapter *padapter)
1038{
1039 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1040
1041 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("+rtw_indicate_connect\n"));
1042
1043 pmlmepriv->to_join = false;
1044
1045 if (!check_fwstate(&padapter->mlmepriv, _FW_LINKED)) {
1046
1047 set_fwstate(pmlmepriv, _FW_LINKED);
1048
1049 rtw_os_indicate_connect(padapter);
1050 }
1051
1052 rtw_set_to_roam(padapter, 0);
554c0a3a
HG		 1053 rtw_set_scan_deny(padapter, 3000);
1054
1055 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("-rtw_indicate_connect: fw_state = 0x%08x\n", get_fwstate(pmlmepriv)));
1056}
1057
1058/*
1059*rtw_indicate_disconnect: the caller has to lock pmlmepriv->lock
1060*/
1061void rtw_indicate_disconnect(struct adapter *padapter)
1062{
1063 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1064
1065 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("+rtw_indicate_disconnect\n"));
1066
1067 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING|WIFI_UNDER_WPS);
1068
1069 /* DBG_871X("clear wps when %s\n", __func__); */
1070
1071 if (rtw_to_roam(padapter) > 0)
1072 _clr_fwstate_(pmlmepriv, _FW_LINKED);
1073
1074 if (check_fwstate(&padapter->mlmepriv, _FW_LINKED)
1075 || (rtw_to_roam(padapter) <= 0)
1076 ) {
1077 rtw_os_indicate_disconnect(padapter);
1078
1079 /* set ips_deny_time to avoid enter IPS before LPS leave */
1080 rtw_set_ips_deny(padapter, 3000);
1081
50049224 1082 _clr_fwstate_(pmlmepriv, _FW_LINKED);
554c0a3a
HG		 1083
1084 rtw_clear_scan_deny(padapter);
1085 }
1086
1087 rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_DISCONNECT, 1);
1088}
1089
1090inline void rtw_indicate_scan_done(struct adapter *padapter, bool aborted)
1091{
1092 DBG_871X(FUNC_ADPT_FMT"\n", FUNC_ADPT_ARG(padapter));
1093
1094 rtw_os_indicate_scan_done(padapter, aborted);
1095
1096 if (is_primary_adapter(padapter) &&
1097 (!adapter_to_pwrctl(padapter)->bInSuspend) &&
1098 (!check_fwstate(&padapter->mlmepriv,
1099 WIFI_ASOC_STATE|WIFI_UNDER_LINKING))) {
1100 struct pwrctrl_priv *pwrpriv;
1101
1102 pwrpriv = adapter_to_pwrctl(padapter);
1103 rtw_set_ips_deny(padapter, 0);
1104 _set_timer(&padapter->mlmepriv.dynamic_chk_timer, 1);
1105 }
1106}
1107
1108void rtw_scan_abort(struct adapter *adapter)
1109{
1110 unsigned long start;
1111 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
1112 struct mlme_ext_priv *pmlmeext = &(adapter->mlmeextpriv);
1113
1114 start = jiffies;
1115 pmlmeext->scan_abort = true;
1116 while (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY)
1117 && jiffies_to_msecs(start) <= 200) {
1118
1119 if (adapter->bDriverStopped || adapter->bSurpriseRemoved)
1120 break;
1121
1122 DBG_871X(FUNC_NDEV_FMT"fw_state = _FW_UNDER_SURVEY!\n", FUNC_NDEV_ARG(adapter->pnetdev));
1123 msleep(20);
1124 }
1125
1126 if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY)) {
1127 if (!adapter->bDriverStopped && !adapter->bSurpriseRemoved)
1128 DBG_871X(FUNC_NDEV_FMT"waiting for scan_abort time out!\n", FUNC_NDEV_ARG(adapter->pnetdev));
1129 rtw_indicate_scan_done(adapter, true);
1130 }
1131 pmlmeext->scan_abort = false;
1132}
1133
1134static struct sta_info *rtw_joinbss_update_stainfo(struct adapter *padapter, struct wlan_network *pnetwork)
1135{
1136 int i;
1137 struct sta_info *bmc_sta, *psta = NULL;
1138 struct recv_reorder_ctrl *preorder_ctrl;
1139 struct sta_priv *pstapriv = &padapter->stapriv;
1140 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1141
1142 psta = rtw_get_stainfo(pstapriv, pnetwork->network.MacAddress);
92f87db5 1143 if (!psta)
554c0a3a 1144 psta = rtw_alloc_stainfo(pstapriv, pnetwork->network.MacAddress);
554c0a3a
HG		 1145
1146 if (psta) { /* update ptarget_sta */
1147
1148 DBG_871X("%s\n", __func__);
1149
1150 psta->aid = pnetwork->join_res;
1151
1152 update_sta_info(padapter, psta);
1153
1154 /* update station supportRate */
1155 psta->bssratelen = rtw_get_rateset_len(pnetwork->network.SupportedRates);
1156 memcpy(psta->bssrateset, pnetwork->network.SupportedRates, psta->bssratelen);
1157 rtw_hal_update_sta_rate_mask(padapter, psta);
1158
1159 psta->wireless_mode = pmlmeext->cur_wireless_mode;
777a4334 1160 psta->raid = networktype_to_raid_ex(padapter, psta);
554c0a3a 1161
554c0a3a
HG		 1162 /* sta mode */
1163 rtw_hal_set_odm_var(padapter, HAL_ODM_STA_INFO, psta, true);
1164
1165 /* security related */
1166 if (padapter->securitypriv.dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) {
1167 padapter->securitypriv.binstallGrpkey = false;
1168 padapter->securitypriv.busetkipkey = false;
1169 padapter->securitypriv.bgrpkey_handshake = false;
1170
1171 psta->ieee8021x_blocked = true;
1172 psta->dot118021XPrivacy = padapter->securitypriv.dot11PrivacyAlgrthm;
1173
1174 memset((u8 *)&psta->dot118021x_UncstKey, 0, sizeof(union Keytype));
1175
1176 memset((u8 *)&psta->dot11tkiprxmickey, 0, sizeof(union Keytype));
1177 memset((u8 *)&psta->dot11tkiptxmickey, 0, sizeof(union Keytype));
1178
1179 memset((u8 *)&psta->dot11txpn, 0, sizeof(union pn48));
1180 psta->dot11txpn.val = psta->dot11txpn.val + 1;
1181 memset((u8 *)&psta->dot11wtxpn, 0, sizeof(union pn48));
1182 memset((u8 *)&psta->dot11rxpn, 0, sizeof(union pn48));
1183 }
1184
1185 /* Commented by Albert 2012/07/21 */
1186 /* When doing the WPS, the wps_ie_len won't equal to 0 */
d7206352 1187 /* And the Wi-Fi driver shouldn't allow the data packet to be transmitted. */
554c0a3a
HG		 1188 if (padapter->securitypriv.wps_ie_len != 0) {
1189 psta->ieee8021x_blocked = true;
1190 padapter->securitypriv.wps_ie_len = 0;
1191 }
1192
554c0a3a 1193 /* for A-MPDU Rx reordering buffer control for bmc_sta & sta_info */
d7206352 1194 /* if A-MPDU Rx is enabled, resetting rx_ordering_ctrl wstart_b(indicate_seq) to default value = 0xffff */
554c0a3a
HG		 1195 /* todo: check if AP can send A-MPDU packets */
1196 for (i = 0; i < 16 ; i++) {
1197 /* preorder_ctrl = &precvpriv->recvreorder_ctrl[i]; */
1198 preorder_ctrl = &psta->recvreorder_ctrl[i];
1199 preorder_ctrl->enable = false;
1200 preorder_ctrl->indicate_seq = 0xffff;
1201 #ifdef DBG_RX_SEQ
1202 DBG_871X("DBG_RX_SEQ %s:%d indicate_seq:%u\n", __func__, __LINE__,
1203 preorder_ctrl->indicate_seq);
1204 #endif
1205 preorder_ctrl->wend_b = 0xffff;
1206 preorder_ctrl->wsize_b = 64;/* max_ampdu_sz;ex. 32(kbytes) -> wsize_b =32 */
1207 }
1208
554c0a3a
HG		 1209 bmc_sta = rtw_get_bcmc_stainfo(padapter);
1210 if (bmc_sta) {
1211 for (i = 0; i < 16 ; i++) {
1212 /* preorder_ctrl = &precvpriv->recvreorder_ctrl[i]; */
1213 preorder_ctrl = &bmc_sta->recvreorder_ctrl[i];
1214 preorder_ctrl->enable = false;
1215 preorder_ctrl->indicate_seq = 0xffff;
1216 #ifdef DBG_RX_SEQ
1217 DBG_871X("DBG_RX_SEQ %s:%d indicate_seq:%u\n", __func__, __LINE__,
1218 preorder_ctrl->indicate_seq);
1219 #endif
1220 preorder_ctrl->wend_b = 0xffff;
1221 preorder_ctrl->wsize_b = 64;/* max_ampdu_sz;ex. 32(kbytes) -> wsize_b =32 */
1222 }
1223 }
1224 }
1225
1226 return psta;
1227
1228}
1229
1230/* pnetwork : returns from rtw_joinbss_event_callback */
1231/* ptarget_wlan: found from scanned_queue */
1232static void rtw_joinbss_update_network(struct adapter *padapter, struct wlan_network *ptarget_wlan, struct wlan_network *pnetwork)
1233{
1234 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
1235 struct wlan_network *cur_network = &(pmlmepriv->cur_network);
1236
1237 DBG_871X("%s\n", __func__);
1238
1239 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("\nfw_state:%x, BSSID:"MAC_FMT"\n"
1240 , get_fwstate(pmlmepriv), MAC_ARG(pnetwork->network.MacAddress)));
1241
554c0a3a
HG		 1242 /* why not use ptarget_wlan?? */
1243 memcpy(&cur_network->network, &pnetwork->network, pnetwork->network.Length);
1244 /* some IEs in pnetwork is wrong, so we should use ptarget_wlan IEs */
1245 cur_network->network.IELength = ptarget_wlan->network.IELength;
1246 memcpy(&cur_network->network.IEs[0], &ptarget_wlan->network.IEs[0], MAX_IE_SZ);
1247
1248 cur_network->aid = pnetwork->join_res;
1249
554c0a3a
HG		 1250 rtw_set_signal_stat_timer(&padapter->recvpriv);
1251
1252 padapter->recvpriv.signal_strength = ptarget_wlan->network.PhyInfo.SignalStrength;
1253 padapter->recvpriv.signal_qual = ptarget_wlan->network.PhyInfo.SignalQuality;
1254 /* the ptarget_wlan->network.Rssi is raw data, we use ptarget_wlan->network.PhyInfo.SignalStrength instead (has scaled) */
1255 padapter->recvpriv.rssi = translate_percentage_to_dbm(ptarget_wlan->network.PhyInfo.SignalStrength);
1256 #if defined(DBG_RX_SIGNAL_DISPLAY_PROCESSING) && 1
1257 DBG_871X(FUNC_ADPT_FMT" signal_strength:%3u, rssi:%3d, signal_qual:%3u"
1258 "\n"
1259 , FUNC_ADPT_ARG(padapter)
1260 , padapter->recvpriv.signal_strength
1261 , padapter->recvpriv.rssi
1262 , padapter->recvpriv.signal_qual
1263 );
1264 #endif
1265
1266 rtw_set_signal_stat_timer(&padapter->recvpriv);
1267
1268 /* update fw_state will clr _FW_UNDER_LINKING here indirectly */
1269 switch (pnetwork->network.InfrastructureMode) {
1270 case Ndis802_11Infrastructure:
1271
1272 if (pmlmepriv->fw_state&WIFI_UNDER_WPS)
1273 pmlmepriv->fw_state = WIFI_STATION_STATE|WIFI_UNDER_WPS;
1274 else
1275 pmlmepriv->fw_state = WIFI_STATION_STATE;
1276
1277 break;
1278 case Ndis802_11IBSS:
1279 pmlmepriv->fw_state = WIFI_ADHOC_STATE;
1280 break;
1281 default:
1282 pmlmepriv->fw_state = WIFI_NULL_STATE;
1283 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Invalid network_mode\n"));
1284 break;
1285 }
1286
1287 rtw_update_protection(padapter, (cur_network->network.IEs) + sizeof(struct ndis_802_11_fix_ie),
1288 (cur_network->network.IELength));
1289
1290 rtw_update_ht_cap(padapter, cur_network->network.IEs, cur_network->network.IELength, (u8) cur_network->network.Configuration.DSConfig);
1291}
1292
d7206352 1293/* Notes: the function could be > passive_level (the same context as Rx tasklet) */
554c0a3a
HG		 1294/* pnetwork : returns from rtw_joinbss_event_callback */
1295/* ptarget_wlan: found from scanned_queue */
1296/* if join_res > 0, for (fw_state ==WIFI_STATION_STATE), we check if "ptarget_sta" & "ptarget_wlan" exist. */
1297/* if join_res > 0, for (fw_state ==WIFI_ADHOC_STATE), we only check if "ptarget_wlan" exist. */
1298/* if join_res > 0, update "cur_network->network" from "pnetwork->network" if (ptarget_wlan != NULL). */
1299/* */
1300/* define REJOIN */
1301void rtw_joinbss_event_prehandle(struct adapter *adapter, u8 *pbuf)
1302{
40d4aa0f 1303 static u8 retry;
554c0a3a
HG		 1304 u8 timer_cancelled;
1305 struct sta_info *ptarget_sta = NULL, *pcur_sta = NULL;
1306 struct sta_priv *pstapriv = &adapter->stapriv;
1307 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
1308 struct wlan_network *pnetwork = (struct wlan_network *)pbuf;
1309 struct wlan_network *cur_network = &(pmlmepriv->cur_network);
1310 struct wlan_network *pcur_wlan = NULL, *ptarget_wlan = NULL;
1311 unsigned int the_same_macaddr = false;
1312
1313 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("joinbss event call back received with res =%d\n", pnetwork->join_res));
1314
1315 rtw_get_encrypt_decrypt_from_registrypriv(adapter);
1316
92f87db5 1317 if (pmlmepriv->assoc_ssid.SsidLength == 0)
554c0a3a 1318 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("@@@@@ joinbss event call back for Any SSid\n"));
92f87db5 1319 else
554c0a3a 1320 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("@@@@@ rtw_joinbss_event_callback for SSid:%s\n", pmlmepriv->assoc_ssid.Ssid));
554c0a3a
HG		 1321
1322 the_same_macaddr = !memcmp(pnetwork->network.MacAddress, cur_network->network.MacAddress, ETH_ALEN);
1323
1324 pnetwork->network.Length = get_wlan_bssid_ex_sz(&pnetwork->network);
1325 if (pnetwork->network.Length > sizeof(struct wlan_bssid_ex)) {
1326 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n\n ***joinbss_evt_callback return a wrong bss ***\n\n"));
1327 return;
1328 }
1329
1330 spin_lock_bh(&pmlmepriv->lock);
1331
1332 pmlmepriv->LinkDetectInfo.TrafficTransitionCount = 0;
1333 pmlmepriv->LinkDetectInfo.LowPowerTransitionCount = 0;
1334
1335 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("\n rtw_joinbss_event_callback !! spin_lock_irqsave\n"));
1336
1337 if (pnetwork->join_res > 0) {
1338 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
1339 retry = 0;
1340 if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) {
1341 /* s1. find ptarget_wlan */
1342 if (check_fwstate(pmlmepriv, _FW_LINKED)) {
e7e12d66 1343 if (the_same_macaddr) {
554c0a3a 1344 ptarget_wlan = rtw_find_network(&pmlmepriv->scanned_queue, cur_network->network.MacAddress);
cb9a242c 1345 } else {
554c0a3a
HG		 1346 pcur_wlan = rtw_find_network(&pmlmepriv->scanned_queue, cur_network->network.MacAddress);
1347 if (pcur_wlan)
1348 pcur_wlan->fixed = false;
1349
1350 pcur_sta = rtw_get_stainfo(pstapriv, cur_network->network.MacAddress);
1351 if (pcur_sta)
1352 rtw_free_stainfo(adapter, pcur_sta);
1353
1354 ptarget_wlan = rtw_find_network(&pmlmepriv->scanned_queue, pnetwork->network.MacAddress);
1355 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
1356 if (ptarget_wlan)
1357 ptarget_wlan->fixed = true;
1358 }
1359 }
1360
cb9a242c 1361 } else {
554c0a3a
HG		 1362 ptarget_wlan = _rtw_find_same_network(&pmlmepriv->scanned_queue, pnetwork);
1363 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
1364 if (ptarget_wlan)
1365 ptarget_wlan->fixed = true;
1366 }
1367 }
1368
1369 /* s2. update cur_network */
1370 if (ptarget_wlan) {
1371 rtw_joinbss_update_network(adapter, ptarget_wlan, pnetwork);
cb9a242c 1372 } else {
554c0a3a
HG		 1373 DBG_871X_LEVEL(_drv_always_, "Can't find ptarget_wlan when joinbss_event callback\n");
1374 spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
1375 goto ignore_joinbss_callback;
1376 }
1377
554c0a3a
HG		 1378 /* s3. find ptarget_sta & update ptarget_sta after update cur_network only for station mode */
1379 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
1380 ptarget_sta = rtw_joinbss_update_stainfo(adapter, pnetwork);
409e8332 1381 if (!ptarget_sta) {
554c0a3a
HG		 1382 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Can't update stainfo when joinbss_event callback\n"));
1383 spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
1384 goto ignore_joinbss_callback;
1385 }
1386 }
1387
1388 /* s4. indicate connect */
1389 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
1390 pmlmepriv->cur_network_scanned = ptarget_wlan;
1391 rtw_indicate_connect(adapter);
cb9a242c 1392 } else {
554c0a3a
HG		 1393 /* adhoc mode will rtw_indicate_connect when rtw_stassoc_event_callback */
1394 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("adhoc mode, fw_state:%x", get_fwstate(pmlmepriv)));
1395 }
1396
2a3e1437 1397 /* s5. Cancel assoc_timer */
554c0a3a
HG		 1398 _cancel_timer(&pmlmepriv->assoc_timer, &timer_cancelled);
1399
2a3e1437 1400 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("Cancel assoc_timer\n"));
554c0a3a 1401
cb9a242c 1402 } else {
554c0a3a
HG		 1403 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("rtw_joinbss_event_callback err: fw_state:%x", get_fwstate(pmlmepriv)));
1404 spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
1405 goto ignore_joinbss_callback;
1406 }
1407
1408 spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
1409
1410 } else if (pnetwork->join_res == -4) {
1411 rtw_reset_securitypriv(adapter);
1412 _set_timer(&pmlmepriv->assoc_timer, 1);
1413
1414 /* rtw_free_assoc_resources(adapter, 1); */
1415
1416 if ((check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) == true) {
1417 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("fail! clear _FW_UNDER_LINKING ^^^fw_state =%x\n", get_fwstate(pmlmepriv)));
1418 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
1419 }
1420
cb9a242c 1421 } else {/* if join_res < 0 (join fails), then try again */
554c0a3a
HG		 1422
1423 #ifdef REJOIN
1424 res = _FAIL;
1425 if (retry < 2) {
1426 res = rtw_select_and_join_from_scanned_queue(pmlmepriv);
1427 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("rtw_select_and_join_from_scanned_queue again! res:%d\n", res));
1428 }
1429
1430 if (res == _SUCCESS) {
1431 /* extend time of assoc_timer */
1432 _set_timer(&pmlmepriv->assoc_timer, MAX_JOIN_TIMEOUT);
1433 retry++;
1434 } else if (res == 2) {/* there is no need to wait for join */
1435 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
1436 rtw_indicate_connect(adapter);
cb9a242c 1437 } else {
554c0a3a
HG		 1438 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Set Assoc_Timer = 1; can't find match ssid in scanned_q\n"));
1439 #endif
1440
1441 _set_timer(&pmlmepriv->assoc_timer, 1);
1442 /* rtw_free_assoc_resources(adapter, 1); */
1443 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
1444
1445 #ifdef REJOIN
1446 retry = 0;
1447 }
1448 #endif
1449 }
1450
1451ignore_joinbss_callback:
1452
1453 spin_unlock_bh(&pmlmepriv->lock);
1454}
1455
1456void rtw_joinbss_event_callback(struct adapter *adapter, u8 *pbuf)
1457{
1458 struct wlan_network *pnetwork = (struct wlan_network *)pbuf;
1459
1460 mlmeext_joinbss_event_callback(adapter, pnetwork->join_res);
1461
1462 rtw_os_xmit_schedule(adapter);
1463}
1464
1465/* FOR STA, AP , AD-HOC mode */
1466void rtw_sta_media_status_rpt(struct adapter *adapter, struct sta_info *psta, u32 mstatus)
1467{
1468 u16 media_status_rpt;
1469
409e8332 1470 if (!psta)
554c0a3a
HG		 1471 return;
1472
1473 media_status_rpt = (u16)((psta->mac_id<<8)|mstatus); /* MACID|OPMODE:1 connect */
1474 rtw_hal_set_hwreg(adapter, HW_VAR_H2C_MEDIA_STATUS_RPT, (u8 *)&media_status_rpt);
1475}
1476
1477void rtw_stassoc_event_callback(struct adapter *adapter, u8 *pbuf)
1478{
1479 struct sta_info *psta;
1480 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
1481 struct stassoc_event *pstassoc = (struct stassoc_event *)pbuf;
1482 struct wlan_network *cur_network = &(pmlmepriv->cur_network);
1483 struct wlan_network *ptarget_wlan = NULL;
1484
1485 if (rtw_access_ctrl(adapter, pstassoc->macaddr) == false)
1486 return;
1487
1488 if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
1489 psta = rtw_get_stainfo(&adapter->stapriv, pstassoc->macaddr);
1490 if (psta) {
1491 u8 *passoc_req = NULL;
1492 u32 assoc_req_len = 0;
1493
1494 rtw_sta_media_status_rpt(adapter, psta, 1);
1495
1496#ifndef CONFIG_AUTO_AP_MODE
1497
1498 ap_sta_info_defer_update(adapter, psta);
1499
1500 /* report to upper layer */
1501 DBG_871X("indicate_sta_assoc_event to upper layer - hostapd\n");
1502 spin_lock_bh(&psta->lock);
1503 if (psta->passoc_req && psta->assoc_req_len > 0) {
1504 passoc_req = rtw_zmalloc(psta->assoc_req_len);
1505 if (passoc_req) {
1506 assoc_req_len = psta->assoc_req_len;
1507 memcpy(passoc_req, psta->passoc_req, assoc_req_len);
1508
1509 kfree(psta->passoc_req);
1510 psta->passoc_req = NULL;
1511 psta->assoc_req_len = 0;
1512 }
1513 }
1514 spin_unlock_bh(&psta->lock);
1515
1516 if (passoc_req && assoc_req_len > 0) {
1517 rtw_cfg80211_indicate_sta_assoc(adapter, passoc_req, assoc_req_len);
1518
1519 kfree(passoc_req);
1520 }
1521#endif /* CONFIG_AUTO_AP_MODE */
1522 }
1523 return;
1524 }
1525
1526 /* for AD-HOC mode */
1527 psta = rtw_get_stainfo(&adapter->stapriv, pstassoc->macaddr);
409e8332 1528 if (psta) {
554c0a3a
HG		 1529 /* the sta have been in sta_info_queue => do nothing */
1530
1531 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Error: rtw_stassoc_event_callback: sta has been in sta_hash_queue\n"));
1532
1533 return; /* between drv has received this event before and fw have not yet to set key to CAM_ENTRY) */
1534 }
1535
1536 psta = rtw_alloc_stainfo(&adapter->stapriv, pstassoc->macaddr);
409e8332 1537 if (!psta) {
554c0a3a
HG		 1538 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Can't alloc sta_info when rtw_stassoc_event_callback\n"));
1539 return;
1540 }
1541
1542 /* to do : init sta_info variable */
1543 psta->qos_option = 0;
1544 psta->mac_id = (uint)pstassoc->cam_id;
1545 /* psta->aid = (uint)pstassoc->cam_id; */
1546 DBG_871X("%s\n", __func__);
1547 /* for ad-hoc mode */
1548 rtw_hal_set_odm_var(adapter, HAL_ODM_STA_INFO, psta, true);
1549
1550 rtw_sta_media_status_rpt(adapter, psta, 1);
1551
1552 if (adapter->securitypriv.dot11AuthAlgrthm == dot11AuthAlgrthm_8021X)
1553 psta->dot118021XPrivacy = adapter->securitypriv.dot11PrivacyAlgrthm;
1554
554c0a3a
HG		 1555 psta->ieee8021x_blocked = false;
1556
1557 spin_lock_bh(&pmlmepriv->lock);
1558
1559 if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == true) ||
1560 (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true)) {
1561 if (adapter->stapriv.asoc_sta_count == 2) {
1562 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
1563 ptarget_wlan = rtw_find_network(&pmlmepriv->scanned_queue, cur_network->network.MacAddress);
1564 pmlmepriv->cur_network_scanned = ptarget_wlan;
1565 if (ptarget_wlan)
1566 ptarget_wlan->fixed = true;
1567 spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
1568 /* a sta + bc/mc_stainfo (not Ibss_stainfo) */
1569 rtw_indicate_connect(adapter);
1570 }
1571 }
1572
1573 spin_unlock_bh(&pmlmepriv->lock);
1574
554c0a3a
HG		 1575 mlmeext_sta_add_event_callback(adapter, psta);
1576}
1577
1578void rtw_stadel_event_callback(struct adapter *adapter, u8 *pbuf)
1579{
1580 int mac_id = (-1);
1581 struct sta_info *psta;
1582 struct wlan_network *pwlan = NULL;
1583 struct wlan_bssid_ex *pdev_network = NULL;
1584 u8 *pibss = NULL;
1585 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
1586 struct stadel_event *pstadel = (struct stadel_event *)pbuf;
1587 struct wlan_network *tgt_network = &(pmlmepriv->cur_network);
1588 struct mlme_ext_priv *pmlmeext = &adapter->mlmeextpriv;
1589 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1590
1591 psta = rtw_get_stainfo(&adapter->stapriv, pstadel->macaddr);
1592 if (psta)
1593 mac_id = psta->mac_id;
1594 else
1595 mac_id = pstadel->mac_id;
1596
1597 DBG_871X("%s(mac_id =%d) =" MAC_FMT "\n", __func__, mac_id, MAC_ARG(pstadel->macaddr));
1598
1599 if (mac_id >= 0) {
1600 u16 media_status;
1601 media_status = (mac_id<<8)|0; /* MACID|OPMODE:0 means disconnect */
1602 /* for STA, AP, ADHOC mode, report disconnect stauts to FW */
1603 rtw_hal_set_hwreg(adapter, HW_VAR_H2C_MEDIA_STATUS_RPT, (u8 *)&media_status);
1604 }
1605
1606 /* if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) */
1607 if ((pmlmeinfo->state&0x03) == WIFI_FW_AP_STATE)
1608 return;
1609
554c0a3a
HG		 1610 mlmeext_sta_del_event_callback(adapter);
1611
1612 spin_lock_bh(&pmlmepriv->lock);
1613
1614 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
1615 u16 reason = *((unsigned short *)(pstadel->rsvd));
1616 bool roam = false;
1617 struct wlan_network *roam_target = NULL;
1618
1619 if (adapter->registrypriv.wifi_spec == 1) {
1620 roam = false;
1621 } else if (reason == WLAN_REASON_EXPIRATION_CHK && rtw_chk_roam_flags(adapter, RTW_ROAM_ON_EXPIRED)) {
1622 roam = true;
1623 } else if (reason == WLAN_REASON_ACTIVE_ROAM && rtw_chk_roam_flags(adapter, RTW_ROAM_ACTIVE)) {
1624 roam = true;
1625 roam_target = pmlmepriv->roam_network;
1626 }
554c0a3a 1627
63a9c3ed 1628 if (roam) {
554c0a3a
HG		 1629 if (rtw_to_roam(adapter) > 0)
1630 rtw_dec_to_roam(adapter); /* this stadel_event is caused by roaming, decrease to_roam */
1631 else if (rtw_to_roam(adapter) == 0)
1632 rtw_set_to_roam(adapter, adapter->registrypriv.max_roaming_times);
1633 } else {
1634 rtw_set_to_roam(adapter, 0);
1635 }
1636
1637 rtw_free_uc_swdec_pending_queue(adapter);
1638
1639 rtw_free_assoc_resources(adapter, 1);
1640 rtw_indicate_disconnect(adapter);
1641
1642 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
1643 /* remove the network entry in scanned_queue */
1644 pwlan = rtw_find_network(&pmlmepriv->scanned_queue, tgt_network->network.MacAddress);
1645 if (pwlan) {
1646 pwlan->fixed = false;
1647 rtw_free_network_nolock(adapter, pwlan);
1648 }
1649 spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
1650
554c0a3a
HG		 1651 _rtw_roaming(adapter, roam_target);
1652 }
1653
1654 if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) ||
1655 check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) {
1656
1657 rtw_free_stainfo(adapter, psta);
1658
1659 if (adapter->stapriv.asoc_sta_count == 1) {/* a sta + bc/mc_stainfo (not Ibss_stainfo) */
1660 /* rtw_indicate_disconnect(adapter);removed@20091105 */
1661 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
1662 /* free old ibss network */
1663 /* pwlan = rtw_find_network(&pmlmepriv->scanned_queue, pstadel->macaddr); */
1664 pwlan = rtw_find_network(&pmlmepriv->scanned_queue, tgt_network->network.MacAddress);
1665 if (pwlan) {
1666 pwlan->fixed = false;
1667 rtw_free_network_nolock(adapter, pwlan);
1668 }
1669 spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
1670 /* re-create ibss */
1671 pdev_network = &(adapter->registrypriv.dev_network);
1672 pibss = adapter->registrypriv.dev_network.MacAddress;
1673
1674 memcpy(pdev_network, &tgt_network->network, get_wlan_bssid_ex_sz(&tgt_network->network));
1675
554c0a3a
HG		 1676 memcpy(&pdev_network->Ssid, &pmlmepriv->assoc_ssid, sizeof(struct ndis_802_11_ssid));
1677
1678 rtw_update_registrypriv_dev_network(adapter);
1679
1680 rtw_generate_random_ibss(pibss);
1681
1682 if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) {
1683 set_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE);
1684 _clr_fwstate_(pmlmepriv, WIFI_ADHOC_STATE);
1685 }
1686
92f87db5 1687 if (rtw_createbss_cmd(adapter) != _SUCCESS)
554c0a3a 1688 RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_err_, ("***Error =>stadel_event_callback: rtw_createbss_cmd status FAIL***\n "));
554c0a3a
HG		 1689 }
1690
1691 }
1692
1693 spin_unlock_bh(&pmlmepriv->lock);
1694}
1695
1696void rtw_cpwm_event_callback(struct adapter *padapter, u8 *pbuf)
1697{
1698 struct reportpwrstate_parm *preportpwrstate;
1699
1700 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("+rtw_cpwm_event_callback !!!\n"));
1701 preportpwrstate = (struct reportpwrstate_parm *)pbuf;
1702 preportpwrstate->state |= (u8)(adapter_to_pwrctl(padapter)->cpwm_tog + 0x80);
1703 cpwm_int_hdl(padapter, preportpwrstate);
1704}
1705
554c0a3a
HG		 1706void rtw_wmm_event_callback(struct adapter *padapter, u8 *pbuf)
1707{
1708 WMMOnAssocRsp(padapter);
1709}
1710
1711/*
d7206352 1712* _rtw_join_timeout_handler - Timeout/failure handler for CMD JoinBss
554c0a3a
HG		 1713* @adapter: pointer to struct adapter structure
1714*/
e8b1844a 1715void _rtw_join_timeout_handler(struct timer_list *t)
554c0a3a 1716{
e8b1844a
KC		 1717 struct adapter *adapter = from_timer(adapter, t,
1718 mlmepriv.assoc_timer);
554c0a3a
HG		 1719 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1720
1721 DBG_871X("%s, fw_state =%x\n", __func__, get_fwstate(pmlmepriv));
1722
1723 if (adapter->bDriverStopped || adapter->bSurpriseRemoved)
1724 return;
1725
1726 spin_lock_bh(&pmlmepriv->lock);
1727
1728 if (rtw_to_roam(adapter) > 0) { /* join timeout caused by roaming */
1729 while (1) {
1730 rtw_dec_to_roam(adapter);
1731 if (rtw_to_roam(adapter) != 0) { /* try another */
1732 int do_join_r;
1733 DBG_871X("%s try another roaming\n", __func__);
1734 do_join_r = rtw_do_join(adapter);
1735 if (_SUCCESS != do_join_r) {
1736 DBG_871X("%s roaming do_join return %d\n", __func__, do_join_r);
1737 continue;
1738 }
1739 break;
1740 } else {
554c0a3a
HG		 1741 DBG_871X("%s We've try roaming but fail\n", __func__);
1742 rtw_indicate_disconnect(adapter);
1743 break;
1744 }
1745 }
1746
cb9a242c 1747 } else {
554c0a3a
HG		 1748 rtw_indicate_disconnect(adapter);
1749 free_scanqueue(pmlmepriv);/* */
1750
1751 /* indicate disconnect for the case that join_timeout and check_fwstate != FW_LINKED */
1752 rtw_cfg80211_indicate_disconnect(adapter);
1753
1754 }
1755
1756 spin_unlock_bh(&pmlmepriv->lock);
1757}
1758
1759/*
d7206352 1760* rtw_scan_timeout_handler - Timeout/Failure handler for CMD SiteSurvey
554c0a3a
HG		 1761* @adapter: pointer to struct adapter structure
1762*/
e8b1844a 1763void rtw_scan_timeout_handler(struct timer_list *t)
554c0a3a 1764{
e8b1844a
KC		 1765 struct adapter *adapter = from_timer(adapter, t,
1766 mlmepriv.scan_to_timer);
554c0a3a
HG		 1767 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1768
1769 DBG_871X(FUNC_ADPT_FMT" fw_state =%x\n", FUNC_ADPT_ARG(adapter), get_fwstate(pmlmepriv));
1770
1771 spin_lock_bh(&pmlmepriv->lock);
1772
1773 _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY);
1774
1775 spin_unlock_bh(&pmlmepriv->lock);
1776
1777 rtw_indicate_scan_done(adapter, true);
1778}
1779
1780void rtw_mlme_reset_auto_scan_int(struct adapter *adapter)
1781{
1782 struct mlme_priv *mlme = &adapter->mlmepriv;
1783 struct mlme_ext_priv *pmlmeext = &adapter->mlmeextpriv;
1784 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1785
1786 if (pmlmeinfo->VHT_enable) /* disable auto scan when connect to 11AC AP */
1787 mlme->auto_scan_int_ms = 0;
1788 else if (adapter->registrypriv.wifi_spec && is_client_associated_to_ap(adapter) == true)
1789 mlme->auto_scan_int_ms = 60*1000;
1790 else if (rtw_chk_roam_flags(adapter, RTW_ROAM_ACTIVE)) {
1791 if (check_fwstate(mlme, WIFI_STATION_STATE) && check_fwstate(mlme, _FW_LINKED))
1792 mlme->auto_scan_int_ms = mlme->roam_scan_int_ms;
1793 } else
1794 mlme->auto_scan_int_ms = 0; /* disabled */
554c0a3a
HG		 1795}
1796
1797static void rtw_auto_scan_handler(struct adapter *padapter)
1798{
1799 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1800
1801 rtw_mlme_reset_auto_scan_int(padapter);
1802
1803 if (pmlmepriv->auto_scan_int_ms != 0
1804 && jiffies_to_msecs(jiffies - pmlmepriv->scan_start_time) > pmlmepriv->auto_scan_int_ms) {
1805
1806 if (!padapter->registrypriv.wifi_spec) {
1807 if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY|_FW_UNDER_LINKING) == true) {
1808 DBG_871X(FUNC_ADPT_FMT" _FW_UNDER_SURVEY|_FW_UNDER_LINKING\n", FUNC_ADPT_ARG(padapter));
1809 goto exit;
1810 }
1811
e7e12d66 1812 if (pmlmepriv->LinkDetectInfo.bBusyTraffic) {
554c0a3a
HG		 1813 DBG_871X(FUNC_ADPT_FMT" exit BusyTraffic\n", FUNC_ADPT_ARG(padapter));
1814 goto exit;
1815 }
1816 }
1817
1818 DBG_871X(FUNC_ADPT_FMT"\n", FUNC_ADPT_ARG(padapter));
1819
1820 rtw_set_802_11_bssid_list_scan(padapter, NULL, 0);
1821 }
1822
1823exit:
1824 return;
1825}
1826
e8b1844a 1827void rtw_dynamic_check_timer_handler(struct adapter *adapter)
554c0a3a
HG		 1828{
1829 if (!adapter)
1830 return;
1831
e7e12d66 1832 if (!adapter->hw_init_completed)
554c0a3a
HG		 1833 return;
1834
e7e12d66 1835 if (adapter->bDriverStopped || adapter->bSurpriseRemoved)
554c0a3a
HG		 1836 return;
1837
e7e12d66 1838 if (adapter->net_closed)
554c0a3a
HG		 1839 return;
1840
1841 if (is_primary_adapter(adapter))
d1f4b780 1842 DBG_871X("IsBtDisabled =%d, IsBtControlLps =%d\n", hal_btcoex_IsBtDisabled(adapter), hal_btcoex_IsBtControlLps(adapter));
554c0a3a 1843
e7e12d66
WK		 1844 if ((adapter_to_pwrctl(adapter)->bFwCurrentInPSMode)
1845 && !(hal_btcoex_IsBtControlLps(adapter))
554c0a3a
HG		 1846 ) {
1847 u8 bEnterPS;
1848
1849 linked_status_chk(adapter);
1850
1851 bEnterPS = traffic_status_watchdog(adapter, 1);
1852 if (bEnterPS) {
1853 /* rtw_lps_ctrl_wk_cmd(adapter, LPS_CTRL_ENTER, 1); */
1854 rtw_hal_dm_watchdog_in_lps(adapter);
cb9a242c 1855 } else {
554c0a3a
HG		 1856 /* call rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_LEAVE, 1) in traffic_status_watchdog() */
1857 }
1858
cb9a242c 1859 } else {
92f87db5 1860 if (is_primary_adapter(adapter))
554c0a3a 1861 rtw_dynamic_chk_wk_cmd(adapter);
554c0a3a
HG		 1862 }
1863
1864 /* auto site survey */
1865 rtw_auto_scan_handler(adapter);
1866}
1867
554c0a3a
HG		 1868inline bool rtw_is_scan_deny(struct adapter *adapter)
1869{
1870 struct mlme_priv *mlmepriv = &adapter->mlmepriv;
1871 return (atomic_read(&mlmepriv->set_scan_deny) != 0) ? true : false;
1872}
1873
1874inline void rtw_clear_scan_deny(struct adapter *adapter)
1875{
1876 struct mlme_priv *mlmepriv = &adapter->mlmepriv;
1877 atomic_set(&mlmepriv->set_scan_deny, 0);
1878
1879 DBG_871X(FUNC_ADPT_FMT"\n", FUNC_ADPT_ARG(adapter));
1880}
1881
554c0a3a
HG		 1882void rtw_set_scan_deny(struct adapter *adapter, u32 ms)
1883{
1884 struct mlme_priv *mlmepriv = &adapter->mlmepriv;
1885
1886 DBG_871X(FUNC_ADPT_FMT"\n", FUNC_ADPT_ARG(adapter));
1887 atomic_set(&mlmepriv->set_scan_deny, 1);
1888 _set_timer(&mlmepriv->set_scan_deny_timer, ms);
1889}
1890
1891/*
1892* Select a new roaming candidate from the original @param candidate and @param competitor
1893* @return true: candidate is updated
1894* @return false: candidate is not updated
1895*/
1896static int rtw_check_roaming_candidate(struct mlme_priv *mlme
1897 , struct wlan_network **candidate, struct wlan_network *competitor)
1898{
1899 int updated = false;
1900 struct adapter *adapter = container_of(mlme, struct adapter, mlmepriv);
1901
1902 if (is_same_ess(&competitor->network, &mlme->cur_network.network) == false)
1903 goto exit;
1904
1905 if (rtw_is_desired_network(adapter, competitor) == false)
1906 goto exit;
1907
1908 DBG_871X("roam candidate:%s %s("MAC_FMT", ch%3u) rssi:%d, age:%5d\n",
1909 (competitor == mlme->cur_network_scanned)?"*":" ",
1910 competitor->network.Ssid.Ssid,
1911 MAC_ARG(competitor->network.MacAddress),
1912 competitor->network.Configuration.DSConfig,
1913 (int)competitor->network.Rssi,
1914 jiffies_to_msecs(jiffies - competitor->last_scanned)
1915 );
1916
1917 /* got specific addr to roam */
1918 if (!is_zero_mac_addr(mlme->roam_tgt_addr)) {
1919 if (!memcmp(mlme->roam_tgt_addr, competitor->network.MacAddress, ETH_ALEN))
1920 goto update;
1921 else
1922 goto exit;
1923 }
1924 if (jiffies_to_msecs(jiffies - competitor->last_scanned) >= mlme->roam_scanr_exp_ms)
1925 goto exit;
1926
1927 if (competitor->network.Rssi - mlme->cur_network_scanned->network.Rssi < mlme->roam_rssi_diff_th)
1928 goto exit;
1929
1930 if (*candidate != NULL && (*candidate)->network.Rssi >= competitor->network.Rssi)
1931 goto exit;
1932
1933update:
1934 *candidate = competitor;
1935 updated = true;
1936
1937exit:
1938 return updated;
1939}
1940
1941int rtw_select_roaming_candidate(struct mlme_priv *mlme)
1942{
1943 int ret = _FAIL;
1944 struct list_head *phead;
554c0a3a
HG		 1945 struct __queue *queue = &(mlme->scanned_queue);
1946 struct wlan_network *pnetwork = NULL;
1947 struct wlan_network *candidate = NULL;
1948
409e8332 1949 if (!mlme->cur_network_scanned) {
554c0a3a
HG		 1950 rtw_warn_on(1);
1951 return ret;
1952 }
1953
1954 spin_lock_bh(&(mlme->scanned_queue.lock));
1955 phead = get_list_head(queue);
554c0a3a
HG		 1956
1957 mlme->pscanned = get_next(phead);
1958
1959 while (phead != mlme->pscanned) {
1960
1961 pnetwork = LIST_CONTAINOR(mlme->pscanned, struct wlan_network, list);
409e8332 1962 if (!pnetwork) {
554c0a3a
HG		 1963 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("%s return _FAIL:(pnetwork == NULL)\n", __func__));
1964 ret = _FAIL;
1965 goto exit;
1966 }
1967
1968 mlme->pscanned = get_next(mlme->pscanned);
1969
1970 DBG_871X("%s("MAC_FMT", ch%u) rssi:%d\n"
1971 , pnetwork->network.Ssid.Ssid
1972 , MAC_ARG(pnetwork->network.MacAddress)
1973 , pnetwork->network.Configuration.DSConfig
1974 , (int)pnetwork->network.Rssi);
1975
1976 rtw_check_roaming_candidate(mlme, &candidate, pnetwork);
1977
1978 }
1979
409e8332 1980 if (!candidate) {
554c0a3a
HG		 1981 DBG_871X("%s: return _FAIL(candidate == NULL)\n", __func__);
1982 ret = _FAIL;
1983 goto exit;
1984 } else {
1985 DBG_871X("%s: candidate: %s("MAC_FMT", ch:%u)\n", __func__,
1986 candidate->network.Ssid.Ssid, MAC_ARG(candidate->network.MacAddress),
1987 candidate->network.Configuration.DSConfig);
1988
1989 mlme->roam_network = candidate;
1990
1991 if (!memcmp(candidate->network.MacAddress, mlme->roam_tgt_addr, ETH_ALEN))
2dcce8ed 1992 eth_zero_addr(mlme->roam_tgt_addr);
554c0a3a
HG		 1993 }
1994
1995 ret = _SUCCESS;
1996exit:
1997 spin_unlock_bh(&(mlme->scanned_queue.lock));
1998
1999 return ret;
2000}
2001
2002/*
2003* Select a new join candidate from the original @param candidate and @param competitor
2004* @return true: candidate is updated
2005* @return false: candidate is not updated
2006*/
2007static int rtw_check_join_candidate(struct mlme_priv *mlme
2008 , struct wlan_network **candidate, struct wlan_network *competitor)
2009{
2010 int updated = false;
2011 struct adapter *adapter = container_of(mlme, struct adapter, mlmepriv);
2012
554c0a3a 2013 /* check bssid, if needed */
e7e12d66 2014 if (mlme->assoc_by_bssid) {
554c0a3a
HG		 2015 if (memcmp(competitor->network.MacAddress, mlme->assoc_bssid, ETH_ALEN))
2016 goto exit;
2017 }
2018
2019 /* check ssid, if needed */
2020 if (mlme->assoc_ssid.Ssid[0] && mlme->assoc_ssid.SsidLength) {
2021 if (competitor->network.Ssid.SsidLength != mlme->assoc_ssid.SsidLength
2022 || memcmp(competitor->network.Ssid.Ssid, mlme->assoc_ssid.Ssid, mlme->assoc_ssid.SsidLength)
2023 )
2024 goto exit;
2025 }
2026
2027 if (rtw_is_desired_network(adapter, competitor) == false)
2028 goto exit;
2029
2030 if (rtw_to_roam(adapter) > 0) {
2031 if (jiffies_to_msecs(jiffies - competitor->last_scanned) >= mlme->roam_scanr_exp_ms
2032 || is_same_ess(&competitor->network, &mlme->cur_network.network) == false
2033 )
2034 goto exit;
2035 }
2036
2037 if (*candidate == NULL || (*candidate)->network.Rssi < competitor->network.Rssi) {
2038 *candidate = competitor;
2039 updated = true;
2040 }
2041
2042 if (updated) {
2043 DBG_871X("[by_bssid:%u][assoc_ssid:%s]"
2044 "[to_roam:%u] "
2045 "new candidate: %s("MAC_FMT", ch%u) rssi:%d\n",
2046 mlme->assoc_by_bssid,
2047 mlme->assoc_ssid.Ssid,
2048 rtw_to_roam(adapter),
2049 (*candidate)->network.Ssid.Ssid,
2050 MAC_ARG((*candidate)->network.MacAddress),
2051 (*candidate)->network.Configuration.DSConfig,
2052 (int)(*candidate)->network.Rssi
2053 );
2054 }
2055
2056exit:
2057 return updated;
2058}
2059
2060/*
2061Calling context:
2062The caller of the sub-routine will be in critical section...
554c0a3a 2063The caller must hold the following spinlock
554c0a3a 2064pmlmepriv->lock
554c0a3a
HG		 2065*/
2066
2067int rtw_select_and_join_from_scanned_queue(struct mlme_priv *pmlmepriv)
2068{
2069 int ret;
2070 struct list_head *phead;
2071 struct adapter *adapter;
2072 struct __queue *queue = &(pmlmepriv->scanned_queue);
2073 struct wlan_network *pnetwork = NULL;
2074 struct wlan_network *candidate = NULL;
2075
2076 adapter = (struct adapter *)pmlmepriv->nic_hdl;
2077
2078 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
2079
2080 if (pmlmepriv->roam_network) {
2081 candidate = pmlmepriv->roam_network;
2082 pmlmepriv->roam_network = NULL;
2083 goto candidate_exist;
2084 }
2085
2086 phead = get_list_head(queue);
2087 pmlmepriv->pscanned = get_next(phead);
2088
2089 while (phead != pmlmepriv->pscanned) {
2090
2091 pnetwork = LIST_CONTAINOR(pmlmepriv->pscanned, struct wlan_network, list);
409e8332 2092 if (!pnetwork) {
554c0a3a
HG		 2093 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("%s return _FAIL:(pnetwork == NULL)\n", __func__));
2094 ret = _FAIL;
2095 goto exit;
2096 }
2097
2098 pmlmepriv->pscanned = get_next(pmlmepriv->pscanned);
2099
2100 DBG_871X("%s("MAC_FMT", ch%u) rssi:%d\n"
2101 , pnetwork->network.Ssid.Ssid
2102 , MAC_ARG(pnetwork->network.MacAddress)
2103 , pnetwork->network.Configuration.DSConfig
2104 , (int)pnetwork->network.Rssi);
2105
2106 rtw_check_join_candidate(pmlmepriv, &candidate, pnetwork);
2107
2108 }
2109
409e8332 2110 if (!candidate) {
554c0a3a
HG		 2111 DBG_871X("%s: return _FAIL(candidate == NULL)\n", __func__);
2112#ifdef CONFIG_WOWLAN
2113 _clr_fwstate_(pmlmepriv, _FW_LINKED|_FW_UNDER_LINKING);
2114#endif
2115 ret = _FAIL;
2116 goto exit;
2117 } else {
2118 DBG_871X("%s: candidate: %s("MAC_FMT", ch:%u)\n", __func__,
2119 candidate->network.Ssid.Ssid, MAC_ARG(candidate->network.MacAddress),
2120 candidate->network.Configuration.DSConfig);
2121 goto candidate_exist;
2122 }
2123
2124candidate_exist:
2125
2126 /* check for situation of _FW_LINKED */
2127 if (check_fwstate(pmlmepriv, _FW_LINKED) == true) {
2128 DBG_871X("%s: _FW_LINKED while ask_for_joinbss!!!\n", __func__);
2129
2130 rtw_disassoc_cmd(adapter, 0, true);
2131 rtw_indicate_disconnect(adapter);
2132 rtw_free_assoc_resources(adapter, 0);
2133 }
2134
2135 set_fwstate(pmlmepriv, _FW_UNDER_LINKING);
2136 ret = rtw_joinbss_cmd(adapter, candidate);
2137
2138exit:
2139 spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
2140 return ret;
2141}
2142
2143sint rtw_set_auth(struct adapter *adapter, struct security_priv *psecuritypriv)
2144{
2145 struct cmd_obj *pcmd;
2146 struct setauth_parm *psetauthparm;
2147 struct cmd_priv *pcmdpriv = &(adapter->cmdpriv);
2148 sint res = _SUCCESS;
2149
2ef2b7c2 2150 pcmd = rtw_zmalloc(sizeof(struct cmd_obj));
409e8332 2151 if (!pcmd) {
554c0a3a
HG		 2152 res = _FAIL; /* try again */
2153 goto exit;
2154 }
2155
2ef2b7c2 2156 psetauthparm = rtw_zmalloc(sizeof(struct setauth_parm));
409e8332 2157 if (!psetauthparm) {
f57ff0a9 2158 kfree(pcmd);
554c0a3a
HG		 2159 res = _FAIL;
2160 goto exit;
2161 }
2162
554c0a3a
HG		 2163 psetauthparm->mode = (unsigned char)psecuritypriv->dot11AuthAlgrthm;
2164
2165 pcmd->cmdcode = _SetAuth_CMD_;
2166 pcmd->parmbuf = (unsigned char *)psetauthparm;
2167 pcmd->cmdsz = (sizeof(struct setauth_parm));
2168 pcmd->rsp = NULL;
2169 pcmd->rspsz = 0;
2170
554c0a3a
HG		 2171 INIT_LIST_HEAD(&pcmd->list);
2172
2173 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("after enqueue set_auth_cmd, auth_mode =%x\n", psecuritypriv->dot11AuthAlgrthm));
2174
2175 res = rtw_enqueue_cmd(pcmdpriv, pcmd);
2176
2177exit:
2178 return res;
2179}
2180
2181sint rtw_set_key(struct adapter *adapter, struct security_priv *psecuritypriv, sint keyid, u8 set_tx, bool enqueue)
2182{
2183 u8 keylen;
2184 struct cmd_obj *pcmd;
2185 struct setkey_parm *psetkeyparm;
2186 struct cmd_priv *pcmdpriv = &(adapter->cmdpriv);
2187 sint res = _SUCCESS;
2188
2ef2b7c2 2189 psetkeyparm = rtw_zmalloc(sizeof(struct setkey_parm));
409e8332 2190 if (!psetkeyparm) {
554c0a3a
HG		 2191 res = _FAIL;
2192 goto exit;
2193 }
554c0a3a
HG		 2194
2195 if (psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) {
2196 psetkeyparm->algorithm = (unsigned char)psecuritypriv->dot118021XGrpPrivacy;
2197 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n rtw_set_key: psetkeyparm->algorithm =(unsigned char)psecuritypriv->dot118021XGrpPrivacy =%d\n", psetkeyparm->algorithm));
2198 } else {
2199 psetkeyparm->algorithm = (u8)psecuritypriv->dot11PrivacyAlgrthm;
2200 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n rtw_set_key: psetkeyparm->algorithm =(u8)psecuritypriv->dot11PrivacyAlgrthm =%d\n", psetkeyparm->algorithm));
2201
2202 }
2203 psetkeyparm->keyid = (u8)keyid;/* 0~3 */
2204 psetkeyparm->set_tx = set_tx;
2205 if (is_wep_enc(psetkeyparm->algorithm))
2206 adapter->securitypriv.key_mask |= BIT(psetkeyparm->keyid);
2207
2208 DBG_871X("==> rtw_set_key algorithm(%x), keyid(%x), key_mask(%x)\n", psetkeyparm->algorithm, psetkeyparm->keyid, adapter->securitypriv.key_mask);
2209 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n rtw_set_key: psetkeyparm->algorithm =%d psetkeyparm->keyid =(u8)keyid =%d\n", psetkeyparm->algorithm, keyid));
2210
2211 switch (psetkeyparm->algorithm) {
2212
2213 case _WEP40_:
2214 keylen = 5;
2215 memcpy(&(psetkeyparm->key[0]), &(psecuritypriv->dot11DefKey[keyid].skey[0]), keylen);
2216 break;
2217 case _WEP104_:
2218 keylen = 13;
2219 memcpy(&(psetkeyparm->key[0]), &(psecuritypriv->dot11DefKey[keyid].skey[0]), keylen);
2220 break;
2221 case _TKIP_:
2222 keylen = 16;
2223 memcpy(&psetkeyparm->key, &psecuritypriv->dot118021XGrpKey[keyid], keylen);
2224 psetkeyparm->grpkey = 1;
2225 break;
2226 case _AES_:
2227 keylen = 16;
2228 memcpy(&psetkeyparm->key, &psecuritypriv->dot118021XGrpKey[keyid], keylen);
2229 psetkeyparm->grpkey = 1;
2230 break;
2231 default:
2232 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n rtw_set_key:psecuritypriv->dot11PrivacyAlgrthm = %x (must be 1 or 2 or 4 or 5)\n", psecuritypriv->dot11PrivacyAlgrthm));
2233 res = _FAIL;
2dac96b3 2234 kfree(psetkeyparm);
554c0a3a
HG		 2235 goto exit;
2236 }
2237
554c0a3a 2238 if (enqueue) {
2ef2b7c2 2239 pcmd = rtw_zmalloc(sizeof(struct cmd_obj));
409e8332 2240 if (!pcmd) {
f57ff0a9 2241 kfree(psetkeyparm);
554c0a3a
HG		 2242 res = _FAIL; /* try again */
2243 goto exit;
2244 }
2245
2246 pcmd->cmdcode = _SetKey_CMD_;
2247 pcmd->parmbuf = (u8 *)psetkeyparm;
2248 pcmd->cmdsz = (sizeof(struct setkey_parm));
2249 pcmd->rsp = NULL;
2250 pcmd->rspsz = 0;
2251
2252 INIT_LIST_HEAD(&pcmd->list);
2253
554c0a3a 2254 res = rtw_enqueue_cmd(pcmdpriv, pcmd);
cb9a242c 2255 } else {
554c0a3a 2256 setkey_hdl(adapter, (u8 *)psetkeyparm);
2dac96b3 2257 kfree(psetkeyparm);
554c0a3a
HG		 2258 }
2259exit:
2260 return res;
2261}
2262
2263/* adjust IEs for rtw_joinbss_cmd in WMM */
2264int rtw_restruct_wmm_ie(struct adapter *adapter, u8 *in_ie, u8 *out_ie, uint in_len, uint initial_out_len)
2265{
2266 unsigned int ielength = 0;
2267 unsigned int i, j;
2268
2269 i = 12; /* after the fixed IE */
2270 while (i < in_len) {
2271 ielength = initial_out_len;
2272
2273 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 */
2274 for (j = i; j < i + 9; j++) {
2275 out_ie[ielength] = in_ie[j];
2276 ielength++;
2277 }
2278 out_ie[initial_out_len + 1] = 0x07;
2279 out_ie[initial_out_len + 6] = 0x00;
2280 out_ie[initial_out_len + 8] = 0x00;
2281
2282 break;
2283 }
2284
2285 i += (in_ie[i+1]+2); /* to the next IE element */
2286 }
2287
2288 return ielength;
2289
2290}
2291
554c0a3a
HG		 2292/* */
2293/* Ported from 8185: IsInPreAuthKeyList(). (Renamed from SecIsInPreAuthKeyList(), 2006-10-13.) */
2294/* Added by Annie, 2006-05-07. */
2295/* */
2296/* Search by BSSID, */
2297/* Return Value: */
2298/* -1 :if there is no pre-auth key in the table */
2299/* >= 0 :if there is pre-auth key, and return the entry id */
2300/* */
2301/* */
2302
2303static int SecIsInPMKIDList(struct adapter *Adapter, u8 *bssid)
2304{
2305 struct security_priv *psecuritypriv = &Adapter->securitypriv;
2306 int i = 0;
2307
2308 do {
2309 if ((psecuritypriv->PMKIDList[i].bUsed) &&
2310 (!memcmp(psecuritypriv->PMKIDList[i].Bssid, bssid, ETH_ALEN))) {
2311 break;
cb9a242c 2312 } else {
554c0a3a
HG		 2313 i++;
2314 /* continue; */
2315 }
2316
2317 } while (i < NUM_PMKID_CACHE);
2318
2319 if (i == NUM_PMKID_CACHE) {
2320 i = -1;/* Could not find. */
2321 } else {
2322 /* There is one Pre-Authentication Key for the specific BSSID. */
2323 }
2324
2325 return i;
2326
2327}
2328
2329/* */
2330/* Check the RSN IE length */
2331/* If the RSN IE length <= 20, the RSN IE didn't include the PMKID information */
2332/* 0-11th element in the array are the fixed IE */
2333/* 12th element in the array is the IE */
2334/* 13th element in the array is the IE length */
2335/* */
2336
2337static int rtw_append_pmkid(struct adapter *Adapter, int iEntry, u8 *ie, uint ie_len)
2338{
2339 struct security_priv *psecuritypriv = &Adapter->securitypriv;
2340
2341 if (ie[13] <= 20) {
2342 /* The RSN IE didn't include the PMK ID, append the PMK information */
2343 ie[ie_len] = 1;
2344 ie_len++;
2345 ie[ie_len] = 0; /* PMKID count = 0x0100 */
2346 ie_len++;
2347 memcpy(&ie[ie_len], &psecuritypriv->PMKIDList[iEntry].PMKID, 16);
2348
2349 ie_len += 16;
2350 ie[13] += 18;/* PMKID length = 2+16 */
2351
2352 }
2353 return ie_len;
2354}
2355
2356sint rtw_restruct_sec_ie(struct adapter *adapter, u8 *in_ie, u8 *out_ie, uint in_len)
2357{
2358 u8 authmode = 0x0;
2359 uint ielength;
2360 int iEntry;
2361
2362 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
2363 struct security_priv *psecuritypriv = &adapter->securitypriv;
2364 uint ndisauthmode = psecuritypriv->ndisauthtype;
2365
2366 RT_TRACE(_module_rtl871x_mlme_c_, _drv_notice_,
76b71fbe 2367 ("+rtw_restruct_sec_ie: ndisauthmode =%d\n", ndisauthmode));
554c0a3a
HG		 2368
2369 /* copy fixed ie only */
2370 memcpy(out_ie, in_ie, 12);
2371 ielength = 12;
2372 if ((ndisauthmode == Ndis802_11AuthModeWPA) || (ndisauthmode == Ndis802_11AuthModeWPAPSK))
2373 authmode = _WPA_IE_ID_;
2374 if ((ndisauthmode == Ndis802_11AuthModeWPA2) || (ndisauthmode == Ndis802_11AuthModeWPA2PSK))
2375 authmode = _WPA2_IE_ID_;
2376
2377 if (check_fwstate(pmlmepriv, WIFI_UNDER_WPS)) {
2378 memcpy(out_ie+ielength, psecuritypriv->wps_ie, psecuritypriv->wps_ie_len);
2379
2380 ielength += psecuritypriv->wps_ie_len;
2381 } else if ((authmode == _WPA_IE_ID_) || (authmode == _WPA2_IE_ID_)) {
2382 /* copy RSN or SSN */
2383 memcpy(&out_ie[ielength], &psecuritypriv->supplicant_ie[0], psecuritypriv->supplicant_ie[1]+2);
2384 /* debug for CONFIG_IEEE80211W
2385 {
2386 int jj;
2387 printk("supplicant_ie_length =%d &&&&&&&&&&&&&&&&&&&\n", psecuritypriv->supplicant_ie[1]+2);
2388 for (jj = 0; jj < psecuritypriv->supplicant_ie[1]+2; jj++)
2389 printk(" %02x ", psecuritypriv->supplicant_ie[jj]);
2390 printk("\n");
2391 }*/
2392 ielength += psecuritypriv->supplicant_ie[1]+2;
2393 rtw_report_sec_ie(adapter, authmode, psecuritypriv->supplicant_ie);
2394 }
2395
2396 iEntry = SecIsInPMKIDList(adapter, pmlmepriv->assoc_bssid);
2397 if (iEntry < 0) {
2398 return ielength;
cb9a242c 2399 } else {
554c0a3a
HG		 2400 if (authmode == _WPA2_IE_ID_)
2401 ielength = rtw_append_pmkid(adapter, iEntry, out_ie, ielength);
2402 }
2403 return ielength;
2404}
2405
2406void rtw_init_registrypriv_dev_network(struct adapter *adapter)
2407{
2408 struct registry_priv *pregistrypriv = &adapter->registrypriv;
2409 struct eeprom_priv *peepriv = &adapter->eeprompriv;
2410 struct wlan_bssid_ex *pdev_network = &pregistrypriv->dev_network;
2411 u8 *myhwaddr = myid(peepriv);
2412
2413 memcpy(pdev_network->MacAddress, myhwaddr, ETH_ALEN);
2414
2415 memcpy(&pdev_network->Ssid, &pregistrypriv->ssid, sizeof(struct ndis_802_11_ssid));
2416
2417 pdev_network->Configuration.Length = sizeof(struct ndis_802_11_conf);
2418 pdev_network->Configuration.BeaconPeriod = 100;
2419 pdev_network->Configuration.FHConfig.Length = 0;
2420 pdev_network->Configuration.FHConfig.HopPattern = 0;
2421 pdev_network->Configuration.FHConfig.HopSet = 0;
2422 pdev_network->Configuration.FHConfig.DwellTime = 0;
2423}
2424
2425void rtw_update_registrypriv_dev_network(struct adapter *adapter)
2426{
2427 int sz = 0;
2428 struct registry_priv *pregistrypriv = &adapter->registrypriv;
2429 struct wlan_bssid_ex *pdev_network = &pregistrypriv->dev_network;
2430 struct security_priv *psecuritypriv = &adapter->securitypriv;
2431 struct wlan_network *cur_network = &adapter->mlmepriv.cur_network;
2432 /* struct xmit_priv *pxmitpriv = &adapter->xmitpriv; */
2433
2434 pdev_network->Privacy = (psecuritypriv->dot11PrivacyAlgrthm > 0 ? 1 : 0) ; /* adhoc no 802.1x */
2435
2436 pdev_network->Rssi = 0;
2437
2438 switch (pregistrypriv->wireless_mode) {
2439 case WIRELESS_11B:
2440 pdev_network->NetworkTypeInUse = (Ndis802_11DS);
2441 break;
2442 case WIRELESS_11G:
2443 case WIRELESS_11BG:
2444 case WIRELESS_11_24N:
2445 case WIRELESS_11G_24N:
2446 case WIRELESS_11BG_24N:
2447 pdev_network->NetworkTypeInUse = (Ndis802_11OFDM24);
2448 break;
2449 case WIRELESS_11A:
2450 case WIRELESS_11A_5N:
2451 pdev_network->NetworkTypeInUse = (Ndis802_11OFDM5);
2452 break;
2453 case WIRELESS_11ABGN:
2454 if (pregistrypriv->channel > 14)
2455 pdev_network->NetworkTypeInUse = (Ndis802_11OFDM5);
2456 else
2457 pdev_network->NetworkTypeInUse = (Ndis802_11OFDM24);
2458 break;
2459 default:
2460 /* TODO */
2461 break;
2462 }
2463
2464 pdev_network->Configuration.DSConfig = (pregistrypriv->channel);
2465 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("pregistrypriv->channel =%d, pdev_network->Configuration.DSConfig = 0x%x\n", pregistrypriv->channel, pdev_network->Configuration.DSConfig));
2466
2467 if (cur_network->network.InfrastructureMode == Ndis802_11IBSS)
2468 pdev_network->Configuration.ATIMWindow = (0);
2469
2470 pdev_network->InfrastructureMode = (cur_network->network.InfrastructureMode);
2471
2472 /* 1. Supported rates */
2473 /* 2. IE */
2474
2475 /* rtw_set_supported_rate(pdev_network->SupportedRates, pregistrypriv->wireless_mode) ; will be called in rtw_generate_ie */
2476 sz = rtw_generate_ie(pregistrypriv);
2477
2478 pdev_network->IELength = sz;
2479
2480 pdev_network->Length = get_wlan_bssid_ex_sz((struct wlan_bssid_ex *)pdev_network);
2481
2482 /* notes: translate IELength & Length after assign the Length to cmdsz in createbss_cmd(); */
2483 /* pdev_network->IELength = cpu_to_le32(sz); */
2484}
2485
2486void rtw_get_encrypt_decrypt_from_registrypriv(struct adapter *adapter)
2487{
2488}
2489
d7206352 2490/* the function is at passive_level */
554c0a3a
HG		 2491void rtw_joinbss_reset(struct adapter *padapter)
2492{
2493 u8 threshold;
2494 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
2495
2496 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
2497
2498 /* todo: if you want to do something io/reg/hw setting before join_bss, please add code here */
2499
2500 pmlmepriv->num_FortyMHzIntolerant = 0;
2501
2502 pmlmepriv->num_sta_no_ht = 0;
2503
2504 phtpriv->ampdu_enable = false;/* reset to disabled */
2505
2506 /* TH = 1 => means that invalidate usb rx aggregation */
2507 /* TH = 0 => means that validate usb rx aggregation, use init value. */
2508 if (phtpriv->ht_option) {
2509 if (padapter->registrypriv.wifi_spec == 1)
2510 threshold = 1;
2511 else
2512 threshold = 0;
2513 rtw_hal_set_hwreg(padapter, HW_VAR_RXDMA_AGG_PG_TH, (u8 *)(&threshold));
cb9a242c 2514 } else {
554c0a3a
HG		 2515 threshold = 1;
2516 rtw_hal_set_hwreg(padapter, HW_VAR_RXDMA_AGG_PG_TH, (u8 *)(&threshold));
2517 }
2518}
2519
2520void rtw_ht_use_default_setting(struct adapter *padapter)
2521{
2522 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
2523 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
2524 struct registry_priv *pregistrypriv = &padapter->registrypriv;
2525 bool bHwLDPCSupport = false, bHwSTBCSupport = false;
2526 bool bHwSupportBeamformer = false, bHwSupportBeamformee = false;
2527
2528 if (pregistrypriv->wifi_spec)
2529 phtpriv->bss_coexist = 1;
2530 else
2531 phtpriv->bss_coexist = 0;
2532
2533 phtpriv->sgi_40m = TEST_FLAG(pregistrypriv->short_gi, BIT1) ? true : false;
2534 phtpriv->sgi_20m = TEST_FLAG(pregistrypriv->short_gi, BIT0) ? true : false;
2535
2536 /* LDPC support */
2537 rtw_hal_get_def_var(padapter, HAL_DEF_RX_LDPC, (u8 *)&bHwLDPCSupport);
2538 CLEAR_FLAGS(phtpriv->ldpc_cap);
2539 if (bHwLDPCSupport) {
2540 if (TEST_FLAG(pregistrypriv->ldpc_cap, BIT4))
2541 SET_FLAG(phtpriv->ldpc_cap, LDPC_HT_ENABLE_RX);
2542 }
2543 rtw_hal_get_def_var(padapter, HAL_DEF_TX_LDPC, (u8 *)&bHwLDPCSupport);
2544 if (bHwLDPCSupport) {
2545 if (TEST_FLAG(pregistrypriv->ldpc_cap, BIT5))
2546 SET_FLAG(phtpriv->ldpc_cap, LDPC_HT_ENABLE_TX);
2547 }
2548 if (phtpriv->ldpc_cap)
2549 DBG_871X("[HT] Support LDPC = 0x%02X\n", phtpriv->ldpc_cap);
2550
2551 /* STBC */
2552 rtw_hal_get_def_var(padapter, HAL_DEF_TX_STBC, (u8 *)&bHwSTBCSupport);
2553 CLEAR_FLAGS(phtpriv->stbc_cap);
2554 if (bHwSTBCSupport) {
2555 if (TEST_FLAG(pregistrypriv->stbc_cap, BIT5))
2556 SET_FLAG(phtpriv->stbc_cap, STBC_HT_ENABLE_TX);
2557 }
2558 rtw_hal_get_def_var(padapter, HAL_DEF_RX_STBC, (u8 *)&bHwSTBCSupport);
2559 if (bHwSTBCSupport) {
2560 if (TEST_FLAG(pregistrypriv->stbc_cap, BIT4))
2561 SET_FLAG(phtpriv->stbc_cap, STBC_HT_ENABLE_RX);
2562 }
2563 if (phtpriv->stbc_cap)
2564 DBG_871X("[HT] Support STBC = 0x%02X\n", phtpriv->stbc_cap);
2565
2566 /* Beamforming setting */
2567 rtw_hal_get_def_var(padapter, HAL_DEF_EXPLICIT_BEAMFORMER, (u8 *)&bHwSupportBeamformer);
2568 rtw_hal_get_def_var(padapter, HAL_DEF_EXPLICIT_BEAMFORMEE, (u8 *)&bHwSupportBeamformee);
2569 CLEAR_FLAGS(phtpriv->beamform_cap);
2570 if (TEST_FLAG(pregistrypriv->beamform_cap, BIT4) && bHwSupportBeamformer) {
2571 SET_FLAG(phtpriv->beamform_cap, BEAMFORMING_HT_BEAMFORMER_ENABLE);
2572 DBG_871X("[HT] Support Beamformer\n");
2573 }
2574 if (TEST_FLAG(pregistrypriv->beamform_cap, BIT5) && bHwSupportBeamformee) {
2575 SET_FLAG(phtpriv->beamform_cap, BEAMFORMING_HT_BEAMFORMEE_ENABLE);
2576 DBG_871X("[HT] Support Beamformee\n");
2577 }
2578}
2579
2580void rtw_build_wmm_ie_ht(struct adapter *padapter, u8 *out_ie, uint *pout_len)
2581{
2582 unsigned char WMM_IE[] = {0x00, 0x50, 0xf2, 0x02, 0x00, 0x01, 0x00};
2583 int out_len;
2584 u8 *pframe;
2585
2586 if (padapter->mlmepriv.qospriv.qos_option == 0) {
2587 out_len = *pout_len;
2588 pframe = rtw_set_ie(out_ie+out_len, _VENDOR_SPECIFIC_IE_,
2589 _WMM_IE_Length_, WMM_IE, pout_len);
2590
2591 padapter->mlmepriv.qospriv.qos_option = 1;
2592 }
2593}
2594
d7206352 2595/* the function is >= passive_level */
554c0a3a
HG		 2596unsigned int rtw_restructure_ht_ie(struct adapter *padapter, u8 *in_ie, u8 *out_ie, uint in_len, uint *pout_len, u8 channel)
2597{
2598 u32 ielen, out_len;
2599 enum HT_CAP_AMPDU_FACTOR max_rx_ampdu_factor;
2600 unsigned char *p, *pframe;
2601 struct rtw_ieee80211_ht_cap ht_capie;
2602 u8 cbw40_enable = 0, stbc_rx_enable = 0, rf_type = 0, operation_bw = 0;
2603 struct registry_priv *pregistrypriv = &padapter->registrypriv;
2604 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
2605 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
2606 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
2607
2608 phtpriv->ht_option = false;
2609
2610 out_len = *pout_len;
2611
2612 memset(&ht_capie, 0, sizeof(struct rtw_ieee80211_ht_cap));
2613
2614 ht_capie.cap_info = cpu_to_le16(IEEE80211_HT_CAP_DSSSCCK40);
2615
2616 if (phtpriv->sgi_20m)
2617 ht_capie.cap_info |= cpu_to_le16(IEEE80211_HT_CAP_SGI_20);
2618
2619 /* Get HT BW */
409e8332 2620 if (!in_ie) {
554c0a3a
HG		 2621 /* TDLS: TODO 20/40 issue */
2622 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
2623 operation_bw = padapter->mlmeextpriv.cur_bwmode;
2624 if (operation_bw > CHANNEL_WIDTH_40)
2625 operation_bw = CHANNEL_WIDTH_40;
2626 } else
2627 /* TDLS: TODO 40? */
2628 operation_bw = CHANNEL_WIDTH_40;
2629 } else {
2630 p = rtw_get_ie(in_ie, _HT_ADD_INFO_IE_, &ielen, in_len);
2631 if (p && (ielen == sizeof(struct ieee80211_ht_addt_info))) {
2632 struct HT_info_element *pht_info = (struct HT_info_element *)(p+2);
2633 if (pht_info->infos[0] & BIT(2)) {
2634 switch (pht_info->infos[0] & 0x3) {
2635 case 1:
2636 case 3:
2637 operation_bw = CHANNEL_WIDTH_40;
2638 break;
2639 default:
2640 operation_bw = CHANNEL_WIDTH_20;
2641 break;
2642 }
2643 } else {
2644 operation_bw = CHANNEL_WIDTH_20;
2645 }
2646 }
2647 }
2648
2649 /* to disable 40M Hz support while gd_bw_40MHz_en = 0 */
2650 if (channel > 14) {
2651 if ((pregistrypriv->bw_mode & 0xf0) > 0)
2652 cbw40_enable = 1;
2653 } else {
2654 if ((pregistrypriv->bw_mode & 0x0f) > 0)
2655 cbw40_enable = 1;
2656 }
2657
2658 if ((cbw40_enable == 1) && (operation_bw == CHANNEL_WIDTH_40)) {
2659 ht_capie.cap_info |= cpu_to_le16(IEEE80211_HT_CAP_SUP_WIDTH);
2660 if (phtpriv->sgi_40m)
2661 ht_capie.cap_info |= cpu_to_le16(IEEE80211_HT_CAP_SGI_40);
2662 }
2663
2664 if (TEST_FLAG(phtpriv->stbc_cap, STBC_HT_ENABLE_TX))
2665 ht_capie.cap_info |= cpu_to_le16(IEEE80211_HT_CAP_TX_STBC);
2666
2667 /* todo: disable SM power save mode */
2668 ht_capie.cap_info |= cpu_to_le16(IEEE80211_HT_CAP_SM_PS);
2669
2670 if (TEST_FLAG(phtpriv->stbc_cap, STBC_HT_ENABLE_RX)) {
2671 if ((channel <= 14 && pregistrypriv->rx_stbc == 0x1) || /* enable for 2.4GHz */
2672 (pregistrypriv->wifi_spec == 1)) {
2673 stbc_rx_enable = 1;
2674 DBG_871X("declare supporting RX STBC\n");
2675 }
2676 }
2677
2678 /* fill default supported_mcs_set */
2679 memcpy(ht_capie.supp_mcs_set, pmlmeext->default_supported_mcs_set, 16);
2680
2681 /* update default supported_mcs_set */
2682 rtw_hal_get_hwreg(padapter, HW_VAR_RF_TYPE, (u8 *)(&rf_type));
2683
2684 switch (rf_type) {
2685 case RF_1T1R:
2686 if (stbc_rx_enable)
2687 ht_capie.cap_info |= cpu_to_le16(IEEE80211_HT_CAP_RX_STBC_1R);/* RX STBC One spatial stream */
2688
50049224
LF		 2689 set_mcs_rate_by_mask(ht_capie.supp_mcs_set, MCS_RATE_1R);
2690 break;
554c0a3a
HG		 2691
2692 case RF_2T2R:
2693 case RF_1T2R:
2694 default:
2695 if (stbc_rx_enable)
2696 ht_capie.cap_info |= cpu_to_le16(IEEE80211_HT_CAP_RX_STBC_2R);/* RX STBC two spatial stream */
2697
2698 #ifdef CONFIG_DISABLE_MCS13TO15
2699 if (((cbw40_enable == 1) && (operation_bw == CHANNEL_WIDTH_40)) && (pregistrypriv->wifi_spec != 1))
2700 set_mcs_rate_by_mask(ht_capie.supp_mcs_set, MCS_RATE_2R_13TO15_OFF);
2701 else
2702 set_mcs_rate_by_mask(ht_capie.supp_mcs_set, MCS_RATE_2R);
2703 #else /* CONFIG_DISABLE_MCS13TO15 */
2704 set_mcs_rate_by_mask(ht_capie.supp_mcs_set, MCS_RATE_2R);
2705 #endif /* CONFIG_DISABLE_MCS13TO15 */
2706 break;
2707 }
2708
2709 {
2710 u32 rx_packet_offset, max_recvbuf_sz;
2711 rtw_hal_get_def_var(padapter, HAL_DEF_RX_PACKET_OFFSET, &rx_packet_offset);
2712 rtw_hal_get_def_var(padapter, HAL_DEF_MAX_RECVBUF_SZ, &max_recvbuf_sz);
2713 }
2714
2715 if (padapter->driver_rx_ampdu_factor != 0xFF)
2716 max_rx_ampdu_factor =
2717 (enum HT_CAP_AMPDU_FACTOR)padapter->driver_rx_ampdu_factor;
2718 else
2719 rtw_hal_get_def_var(padapter, HW_VAR_MAX_RX_AMPDU_FACTOR,
2720 &max_rx_ampdu_factor);
2721
2722 /* rtw_hal_get_def_var(padapter, HW_VAR_MAX_RX_AMPDU_FACTOR, &max_rx_ampdu_factor); */
2723 ht_capie.ampdu_params_info = (max_rx_ampdu_factor&0x03);
2724
2725 if (padapter->securitypriv.dot11PrivacyAlgrthm == _AES_)
2726 ht_capie.ampdu_params_info |= (IEEE80211_HT_CAP_AMPDU_DENSITY&(0x07<<2));
2727 else
2728 ht_capie.ampdu_params_info |= (IEEE80211_HT_CAP_AMPDU_DENSITY&0x00);
2729
2730 pframe = rtw_set_ie(out_ie+out_len, _HT_CAPABILITY_IE_,
2731 sizeof(struct rtw_ieee80211_ht_cap), (unsigned char *)&ht_capie, pout_len);
2732
2733 phtpriv->ht_option = true;
2734
409e8332 2735 if (in_ie) {
554c0a3a
HG		 2736 p = rtw_get_ie(in_ie, _HT_ADD_INFO_IE_, &ielen, in_len);
2737 if (p && (ielen == sizeof(struct ieee80211_ht_addt_info))) {
2738 out_len = *pout_len;
2739 pframe = rtw_set_ie(out_ie+out_len, _HT_ADD_INFO_IE_, ielen, p+2, pout_len);
2740 }
2741 }
2742
2743 return phtpriv->ht_option;
2744
2745}
2746
d7206352 2747/* the function is > passive_level (in critical_section) */
554c0a3a
HG		 2748void rtw_update_ht_cap(struct adapter *padapter, u8 *pie, uint ie_len, u8 channel)
2749{
2750 u8 *p, max_ampdu_sz;
2751 int len;
2752 /* struct sta_info *bmc_sta, *psta; */
2753 struct rtw_ieee80211_ht_cap *pht_capie;
2754 struct ieee80211_ht_addt_info *pht_addtinfo;
2755 /* struct recv_reorder_ctrl *preorder_ctrl; */
2756 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
2757 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
2758 /* struct recv_priv *precvpriv = &padapter->recvpriv; */
2759 struct registry_priv *pregistrypriv = &padapter->registrypriv;
2760 /* struct wlan_network *pcur_network = &(pmlmepriv->cur_network);; */
2761 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
2762 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
2763 u8 cbw40_enable = 0;
2764
554c0a3a
HG		 2765 if (!phtpriv->ht_option)
2766 return;
2767
2768 if ((!pmlmeinfo->HT_info_enable) || (!pmlmeinfo->HT_caps_enable))
2769 return;
2770
2771 DBG_871X("+rtw_update_ht_cap()\n");
2772
2773 /* maybe needs check if ap supports rx ampdu. */
e7e12d66 2774 if (!(phtpriv->ampdu_enable) && pregistrypriv->ampdu_enable == 1) {
af68516e 2775 phtpriv->ampdu_enable = true;
554c0a3a
HG		 2776 }
2777
554c0a3a
HG		 2778 /* check Max Rx A-MPDU Size */
2779 len = 0;
2780 p = rtw_get_ie(pie+sizeof(struct ndis_802_11_fix_ie), _HT_CAPABILITY_IE_, &len, ie_len-sizeof(struct ndis_802_11_fix_ie));
2781 if (p && len > 0) {
2782 pht_capie = (struct rtw_ieee80211_ht_cap *)(p+2);
2783 max_ampdu_sz = (pht_capie->ampdu_params_info & IEEE80211_HT_CAP_AMPDU_FACTOR);
2784 max_ampdu_sz = 1 << (max_ampdu_sz+3); /* max_ampdu_sz (kbytes); */
2785
2786 /* DBG_871X("rtw_update_ht_cap(): max_ampdu_sz =%d\n", max_ampdu_sz); */
2787 phtpriv->rx_ampdu_maxlen = max_ampdu_sz;
2788
2789 }
2790
554c0a3a
HG		 2791 len = 0;
2792 p = rtw_get_ie(pie+sizeof(struct ndis_802_11_fix_ie), _HT_ADD_INFO_IE_, &len, ie_len-sizeof(struct ndis_802_11_fix_ie));
2793 if (p && len > 0) {
2794 pht_addtinfo = (struct ieee80211_ht_addt_info *)(p+2);
2795 /* todo: */
2796 }
2797
2798 if (channel > 14) {
2799 if ((pregistrypriv->bw_mode & 0xf0) > 0)
2800 cbw40_enable = 1;
2801 } else {
2802 if ((pregistrypriv->bw_mode & 0x0f) > 0)
2803 cbw40_enable = 1;
2804 }
2805
2806 /* update cur_bwmode & cur_ch_offset */
2807 if ((cbw40_enable) &&
2808 (le16_to_cpu(pmlmeinfo->HT_caps.u.HT_cap_element.HT_caps_info) &
2809 BIT(1)) && (pmlmeinfo->HT_info.infos[0] & BIT(2))) {
2810 int i;
2811 u8 rf_type;
2812
2813 rtw_hal_get_hwreg(padapter, HW_VAR_RF_TYPE, (u8 *)(&rf_type));
2814
2815 /* update the MCS set */
2816 for (i = 0; i < 16; i++)
2817 pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate[i] &= pmlmeext->default_supported_mcs_set[i];
2818
2819 /* update the MCS rates */
2820 switch (rf_type) {
2821 case RF_1T1R:
2822 case RF_1T2R:
2823 set_mcs_rate_by_mask(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_RATE_1R);
2824 break;
2825 case RF_2T2R:
2826 default:
2827#ifdef CONFIG_DISABLE_MCS13TO15
2828 if (pmlmeext->cur_bwmode == CHANNEL_WIDTH_40 && pregistrypriv->wifi_spec != 1)
2829 set_mcs_rate_by_mask(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_RATE_2R_13TO15_OFF);
2830 else
2831 set_mcs_rate_by_mask(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_RATE_2R);
2832#else /* CONFIG_DISABLE_MCS13TO15 */
2833 set_mcs_rate_by_mask(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_RATE_2R);
2834#endif /* CONFIG_DISABLE_MCS13TO15 */
50049224 2835 }
554c0a3a 2836
50049224
LF		 2837 /* switch to the 40M Hz mode according to the AP */
2838 /* pmlmeext->cur_bwmode = CHANNEL_WIDTH_40; */
2839 switch ((pmlmeinfo->HT_info.infos[0] & 0x3)) {
2840 case EXTCHNL_OFFSET_UPPER:
2841 pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER;
2842 break;
554c0a3a 2843
50049224
LF		 2844 case EXTCHNL_OFFSET_LOWER:
2845 pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_UPPER;
2846 break;
554c0a3a 2847
50049224
LF		 2848 default:
2849 pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
2850 break;
554c0a3a
HG		 2851 }
2852 }
2853
2854 /* */
2855 /* Config SM Power Save setting */
2856 /* */
2857 pmlmeinfo->SM_PS =
2858 (le16_to_cpu(pmlmeinfo->HT_caps.u.HT_cap_element.HT_caps_info) &
2859 0x0C) >> 2;
2860 if (pmlmeinfo->SM_PS == WLAN_HT_CAP_SM_PS_STATIC)
2861 DBG_871X("%s(): WLAN_HT_CAP_SM_PS_STATIC\n", __func__);
2862
2863 /* */
2864 /* Config current HT Protection mode. */
2865 /* */
2866 pmlmeinfo->HT_protection = pmlmeinfo->HT_info.infos[1] & 0x3;
2867}
2868
2869void rtw_issue_addbareq_cmd(struct adapter *padapter, struct xmit_frame *pxmitframe)
2870{
2871 u8 issued;
2872 int priority;
2873 struct sta_info *psta = NULL;
2874 struct ht_priv *phtpriv;
2875 struct pkt_attrib *pattrib = &pxmitframe->attrib;
2876 s32 bmcst = IS_MCAST(pattrib->ra);
2877
2878 /* if (bmcst || (padapter->mlmepriv.LinkDetectInfo.bTxBusyTraffic == false)) */
2879 if (bmcst || (padapter->mlmepriv.LinkDetectInfo.NumTxOkInPeriod < 100))
2880 return;
2881
2882 priority = pattrib->priority;
2883
2884 psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra);
2885 if (pattrib->psta != psta) {
2886 DBG_871X("%s, pattrib->psta(%p) != psta(%p)\n", __func__, pattrib->psta, psta);
2887 return;
2888 }
2889
409e8332 2890 if (!psta) {
554c0a3a
HG		 2891 DBG_871X("%s, psta ==NUL\n", __func__);
2892 return;
2893 }
2894
2895 if (!(psta->state & _FW_LINKED)) {
2896 DBG_871X("%s, psta->state(0x%x) != _FW_LINKED\n", __func__, psta->state);
2897 return;
2898 }
2899
554c0a3a
HG		 2900 phtpriv = &psta->htpriv;
2901
e7e12d66 2902 if (phtpriv->ht_option && phtpriv->ampdu_enable) {
554c0a3a
HG		 2903 issued = (phtpriv->agg_enable_bitmap>>priority)&0x1;
2904 issued |= (phtpriv->candidate_tid_bitmap>>priority)&0x1;
2905
2906 if (0 == issued) {
2907 DBG_871X("rtw_issue_addbareq_cmd, p =%d\n", priority);
2908 psta->htpriv.candidate_tid_bitmap |= BIT((u8)priority);
2909 rtw_addbareq_cmd(padapter, (u8) priority, pattrib->ra);
2910 }
2911 }
2912
2913}
2914
2915void rtw_append_exented_cap(struct adapter *padapter, u8 *out_ie, uint *pout_len)
2916{
2917 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
2918 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
2919 u8 cap_content[8] = {0};
2920 u8 *pframe;
2921
92f87db5 2922 if (phtpriv->bss_coexist)
554c0a3a 2923 SET_EXT_CAPABILITY_ELE_BSS_COEXIST(cap_content, 1);
554c0a3a
HG		 2924
2925 pframe = rtw_set_ie(out_ie + *pout_len, EID_EXTCapability, 8, cap_content, pout_len);
2926}
2927
2928inline void rtw_set_to_roam(struct adapter *adapter, u8 to_roam)
2929{
2930 if (to_roam == 0)
2931 adapter->mlmepriv.to_join = false;
2932 adapter->mlmepriv.to_roam = to_roam;
2933}
2934
2935inline u8 rtw_dec_to_roam(struct adapter *adapter)
2936{
2937 adapter->mlmepriv.to_roam--;
2938 return adapter->mlmepriv.to_roam;
2939}
2940
2941inline u8 rtw_to_roam(struct adapter *adapter)
2942{
2943 return adapter->mlmepriv.to_roam;
2944}
2945
2946void rtw_roaming(struct adapter *padapter, struct wlan_network *tgt_network)
2947{
2948 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
2949
2950 spin_lock_bh(&pmlmepriv->lock);
2951 _rtw_roaming(padapter, tgt_network);
2952 spin_unlock_bh(&pmlmepriv->lock);
2953}
2954void _rtw_roaming(struct adapter *padapter, struct wlan_network *tgt_network)
2955{
2956 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
2957 struct wlan_network *cur_network = &pmlmepriv->cur_network;
2958 int do_join_r;
2959
2960 if (0 < rtw_to_roam(padapter)) {
2961 DBG_871X("roaming from %s("MAC_FMT"), length:%d\n",
2962 cur_network->network.Ssid.Ssid, MAC_ARG(cur_network->network.MacAddress),
2963 cur_network->network.Ssid.SsidLength);
2964 memcpy(&pmlmepriv->assoc_ssid, &cur_network->network.Ssid, sizeof(struct ndis_802_11_ssid));
2965
2966 pmlmepriv->assoc_by_bssid = false;
2967
2968 while (1) {
2969 do_join_r = rtw_do_join(padapter);
2970 if (_SUCCESS == do_join_r) {
2971 break;
2972 } else {
2973 DBG_871X("roaming do_join return %d\n", do_join_r);
2974 rtw_dec_to_roam(padapter);
2975
2976 if (rtw_to_roam(padapter) > 0) {
2977 continue;
2978 } else {
2979 DBG_871X("%s(%d) -to roaming fail, indicate_disconnect\n", __func__, __LINE__);
2980 rtw_indicate_disconnect(padapter);
2981 break;
2982 }
2983 }
2984 }
2985 }
2986
2987}
2988
2989sint rtw_linked_check(struct adapter *padapter)
2990{
2991 if ((check_fwstate(&padapter->mlmepriv, WIFI_AP_STATE) == true) ||
2992 (check_fwstate(&padapter->mlmepriv, WIFI_ADHOC_STATE|WIFI_ADHOC_MASTER_STATE) == true)) {
2993 if (padapter->stapriv.asoc_sta_count > 2)
2994 return true;
cb9a242c 2995 } else { /* Station mode */
554c0a3a
HG		 2996 if (check_fwstate(&padapter->mlmepriv, _FW_LINKED) == true)
2997 return true;
2998 }
2999 return false;
3000}
Linux 6.x block layer and io_uring tree(s)