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staging: rtl8188eu:Remove rtw_zmalloc(), wrapper for kzalloc()
[deliverable/linux.git] / drivers / staging / rtl8188eu / core / rtw_mlme.c
CommitLineData
7b464c9f
LF		 1/******************************************************************************
2 *
3 * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of version 2 of the GNU General Public License as
7 * published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
12 * more details.
13 *
14 * You should have received a copy of the GNU General Public License along with
15 * this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
17 *
18 *
19 ******************************************************************************/
20#define _RTW_MLME_C_
21
22
23#include <osdep_service.h>
24#include <drv_types.h>
25#include <recv_osdep.h>
26#include <xmit_osdep.h>
27#include <hal_intf.h>
28#include <mlme_osdep.h>
29#include <sta_info.h>
30#include <wifi.h>
31#include <wlan_bssdef.h>
32#include <rtw_ioctl_set.h>
33#include <usb_osintf.h>
d249db9e 34#include <linux/vmalloc.h>
7b464c9f
LF		 35
36extern unsigned char MCS_rate_2R[16];
37extern unsigned char MCS_rate_1R[16];
38
b4ed18b1 39int _rtw_init_mlme_priv(struct adapter *padapter)
7b464c9f
LF		 40{
41 int i;
42 u8 *pbuf;
43 struct wlan_network *pnetwork;
44 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
45 int res = _SUCCESS;
46
2397c6e0 47 /* We don't need to memset padapter->XXX to zero, because adapter is allocated by vzalloc(). */
7b464c9f
LF		 48
49 pmlmepriv->nic_hdl = (u8 *)padapter;
50
51 pmlmepriv->pscanned = NULL;
52 pmlmepriv->fw_state = 0;
53 pmlmepriv->cur_network.network.InfrastructureMode = Ndis802_11AutoUnknown;
54 pmlmepriv->scan_mode = SCAN_ACTIVE;/* 1: active, 0: pasive. Maybe someday we should rename this varable to "active_mode" (Jeff) */
55
f214e521 56 spin_lock_init(&(pmlmepriv->lock));
7b464c9f
LF		 57 _rtw_init_queue(&(pmlmepriv->free_bss_pool));
58 _rtw_init_queue(&(pmlmepriv->scanned_queue));
59
60 set_scanned_network_val(pmlmepriv, 0);
61
1ce39848 62 memset(&pmlmepriv->assoc_ssid, 0, sizeof(struct ndis_802_11_ssid));
7b464c9f 63
2397c6e0 64 pbuf = vzalloc(MAX_BSS_CNT * (sizeof(struct wlan_network)));
7b464c9f
LF		 65
66 if (pbuf == NULL) {
67 res = _FAIL;
68 goto exit;
69 }
70 pmlmepriv->free_bss_buf = pbuf;
71
72 pnetwork = (struct wlan_network *)pbuf;
73
74 for (i = 0; i < MAX_BSS_CNT; i++) {
aa3f5ccb 75 INIT_LIST_HEAD(&(pnetwork->list));
7b464c9f 76
ae6787ad 77 list_add_tail(&(pnetwork->list), &(pmlmepriv->free_bss_pool.queue));
7b464c9f
LF		 78
79 pnetwork++;
80 }
81
82 /* allocate DMA-able/Non-Page memory for cmd_buf and rsp_buf */
83
84 rtw_clear_scan_deny(padapter);
85
86 rtw_init_mlme_timer(padapter);
87
88exit:
7b464c9f
LF		 89 return res;
90}
91
b4ed18b1 92#if defined(CONFIG_88EU_AP_MODE)
7b464c9f
LF		 93static void rtw_free_mlme_ie_data(u8 **ppie, u32 *plen)
94{
95 kfree(*ppie);
96 *plen = 0;
97 *ppie = NULL;
98}
99
100void rtw_free_mlme_priv_ie_data(struct mlme_priv *pmlmepriv)
101{
102 rtw_buf_free(&pmlmepriv->assoc_req, &pmlmepriv->assoc_req_len);
103 rtw_buf_free(&pmlmepriv->assoc_rsp, &pmlmepriv->assoc_rsp_len);
104 rtw_free_mlme_ie_data(&pmlmepriv->wps_beacon_ie, &pmlmepriv->wps_beacon_ie_len);
105 rtw_free_mlme_ie_data(&pmlmepriv->wps_probe_req_ie, &pmlmepriv->wps_probe_req_ie_len);
106 rtw_free_mlme_ie_data(&pmlmepriv->wps_probe_resp_ie, &pmlmepriv->wps_probe_resp_ie_len);
107 rtw_free_mlme_ie_data(&pmlmepriv->wps_assoc_resp_ie, &pmlmepriv->wps_assoc_resp_ie_len);
108
109 rtw_free_mlme_ie_data(&pmlmepriv->p2p_beacon_ie, &pmlmepriv->p2p_beacon_ie_len);
110 rtw_free_mlme_ie_data(&pmlmepriv->p2p_probe_req_ie, &pmlmepriv->p2p_probe_req_ie_len);
111 rtw_free_mlme_ie_data(&pmlmepriv->p2p_probe_resp_ie, &pmlmepriv->p2p_probe_resp_ie_len);
112 rtw_free_mlme_ie_data(&pmlmepriv->p2p_go_probe_resp_ie, &pmlmepriv->p2p_go_probe_resp_ie_len);
113 rtw_free_mlme_ie_data(&pmlmepriv->p2p_assoc_req_ie, &pmlmepriv->p2p_assoc_req_ie_len);
114}
115#else
116void rtw_free_mlme_priv_ie_data(struct mlme_priv *pmlmepriv)
117{
118}
119#endif
120
b4ed18b1 121void _rtw_free_mlme_priv(struct mlme_priv *pmlmepriv)
7b464c9f 122{
7b464c9f
LF		 123 rtw_free_mlme_priv_ie_data(pmlmepriv);
124
125 if (pmlmepriv) {
03bd6aea
LF		 126 if (pmlmepriv->free_bss_buf)
127 vfree(pmlmepriv->free_bss_buf);
7b464c9f 128 }
7b464c9f
LF		 129}
130
131int _rtw_enqueue_network(struct __queue *queue, struct wlan_network *pnetwork)
132{
7b464c9f
LF		 133 if (pnetwork == NULL)
134 goto exit;
135
7057dcb3 136 spin_lock_bh(&queue->lock);
7b464c9f 137
ae6787ad 138 list_add_tail(&pnetwork->list, &queue->queue);
7b464c9f 139
e02bcf61 140 spin_unlock_bh(&queue->lock);
7b464c9f
LF		 141
142exit:
7b464c9f
LF		 143 return _SUCCESS;
144}
145
146struct wlan_network *_rtw_dequeue_network(struct __queue *queue)
147{
7b464c9f
LF		 148 struct wlan_network *pnetwork;
149
7057dcb3 150 spin_lock_bh(&queue->lock);
7b464c9f
LF		 151
152 if (_rtw_queue_empty(queue)) {
153 pnetwork = NULL;
154 } else {
c44e5e39 155 pnetwork = container_of((&queue->queue)->next, struct wlan_network, list);
7b464c9f
LF		 156
157 rtw_list_delete(&(pnetwork->list));
158 }
159
e02bcf61 160 spin_unlock_bh(&queue->lock);
7b464c9f 161
7b464c9f
LF		 162 return pnetwork;
163}
164
165struct wlan_network *_rtw_alloc_network(struct mlme_priv *pmlmepriv)/* _queue *free_queue) */
166{
7b464c9f
LF		 167 struct wlan_network *pnetwork;
168 struct __queue *free_queue = &pmlmepriv->free_bss_pool;
169 struct list_head *plist = NULL;
170
7057dcb3 171 spin_lock_bh(&free_queue->lock);
7b464c9f
LF		 172
173 if (_rtw_queue_empty(free_queue) == true) {
174 pnetwork = NULL;
175 goto exit;
176 }
c44e5e39 177 plist = free_queue->queue.next;
7b464c9f 178
bea88100 179 pnetwork = container_of(plist , struct wlan_network, list);
7b464c9f
LF		 180
181 rtw_list_delete(&pnetwork->list);
182
183 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("_rtw_alloc_network: ptr=%p\n", plist));
184 pnetwork->network_type = 0;
185 pnetwork->fixed = false;
c01fb496 186 pnetwork->last_scanned = jiffies;
7b464c9f
LF		 187 pnetwork->aid = 0;
188 pnetwork->join_res = 0;
189
190 pmlmepriv->num_of_scanned++;
191
192exit:
e02bcf61 193 spin_unlock_bh(&free_queue->lock);
7b464c9f 194
7b464c9f
LF		 195 return pnetwork;
196}
197
198void _rtw_free_network(struct mlme_priv *pmlmepriv , struct wlan_network *pnetwork, u8 isfreeall)
199{
200 u32 curr_time, delta_time;
201 u32 lifetime = SCANQUEUE_LIFETIME;
7b464c9f
LF		 202 struct __queue *free_queue = &(pmlmepriv->free_bss_pool);
203
7b464c9f 204 if (pnetwork == NULL)
f578b5d3 205 return;
7b464c9f
LF		 206
207 if (pnetwork->fixed)
f578b5d3 208 return;
c01fb496 209 curr_time = jiffies;
7b464c9f
LF		 210 if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) ||
211 (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)))
212 lifetime = 1;
213 if (!isfreeall) {
214 delta_time = (curr_time - pnetwork->last_scanned)/HZ;
215 if (delta_time < lifetime)/* unit:sec */
f578b5d3 216 return;
7b464c9f 217 }
7057dcb3 218 spin_lock_bh(&free_queue->lock);
7b464c9f 219 rtw_list_delete(&(pnetwork->list));
ae6787ad 220 list_add_tail(&(pnetwork->list), &(free_queue->queue));
7b464c9f 221 pmlmepriv->num_of_scanned--;
e02bcf61 222 spin_unlock_bh(&free_queue->lock);
7b464c9f
LF		 223}
224
225void _rtw_free_network_nolock(struct mlme_priv *pmlmepriv, struct wlan_network *pnetwork)
226{
227 struct __queue *free_queue = &(pmlmepriv->free_bss_pool);
228
7b464c9f 229 if (pnetwork == NULL)
f578b5d3 230 return;
7b464c9f 231 if (pnetwork->fixed)
f578b5d3 232 return;
7b464c9f 233 rtw_list_delete(&(pnetwork->list));
ae6787ad 234 list_add_tail(&(pnetwork->list), get_list_head(free_queue));
7b464c9f 235 pmlmepriv->num_of_scanned--;
7b464c9f
LF		 236}
237
238/*
239 return the wlan_network with the matching addr
240
241 Shall be calle under atomic context... to avoid possible racing condition...
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
f42f52aa 249 if (!memcmp(zero_addr, addr, ETH_ALEN)) {
7b464c9f
LF		 250 pnetwork = NULL;
251 goto exit;
252 }
253 phead = get_list_head(scanned_queue);
c44e5e39 254 plist = phead->next;
7b464c9f
LF		 255
256 while (plist != phead) {
bea88100 257 pnetwork = container_of(plist, struct wlan_network , list);
05c9bc1f 258 if (!memcmp(addr, pnetwork->network.MacAddress, ETH_ALEN))
7b464c9f 259 break;
c44e5e39 260 plist = plist->next;
7b464c9f
LF		 261 }
262 if (plist == phead)
263 pnetwork = NULL;
264exit:
7b464c9f
LF		 265 return pnetwork;
266}
267
268
269void _rtw_free_network_queue(struct adapter *padapter, u8 isfreeall)
270{
7b464c9f
LF		 271 struct list_head *phead, *plist;
272 struct wlan_network *pnetwork;
273 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
274 struct __queue *scanned_queue = &pmlmepriv->scanned_queue;
275
7057dcb3 276 spin_lock_bh(&scanned_queue->lock);
7b464c9f
LF		 277
278 phead = get_list_head(scanned_queue);
c44e5e39 279 plist = phead->next;
7b464c9f 280
84660700 281 while (phead != plist) {
bea88100 282 pnetwork = container_of(plist, struct wlan_network, list);
7b464c9f 283
c44e5e39 284 plist = plist->next;
7b464c9f
LF		 285
286 _rtw_free_network(pmlmepriv, pnetwork, isfreeall);
287 }
e02bcf61 288 spin_unlock_bh(&scanned_queue->lock);
7b464c9f
LF		 289}
290
291int rtw_if_up(struct adapter *padapter)
292{
293 int res;
7b464c9f
LF		 294
295 if (padapter->bDriverStopped || padapter->bSurpriseRemoved ||
296 (check_fwstate(&padapter->mlmepriv, _FW_LINKED) == false)) {
297 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
298 ("rtw_if_up:bDriverStopped(%d) OR bSurpriseRemoved(%d)",
299 padapter->bDriverStopped, padapter->bSurpriseRemoved));
300 res = false;
301 } else {
302 res = true;
303 }
7b464c9f
LF		 304 return res;
305}
306
307void rtw_generate_random_ibss(u8 *pibss)
308{
c01fb496 309 u32 curtime = jiffies;
7b464c9f 310
7b464c9f
LF		 311 pibss[0] = 0x02; /* in ad-hoc mode bit1 must set to 1 */
312 pibss[1] = 0x11;
313 pibss[2] = 0x87;
314 pibss[3] = (u8)(curtime & 0xff);/* p[0]; */
315 pibss[4] = (u8)((curtime>>8) & 0xff);/* p[1]; */
316 pibss[5] = (u8)((curtime>>16) & 0xff);/* p[2]; */
7b464c9f
LF		 317 return;
318}
319
320u8 *rtw_get_capability_from_ie(u8 *ie)
321{
322 return ie + 8 + 2;
323}
324
325
326u16 rtw_get_capability(struct wlan_bssid_ex *bss)
327{
328 __le16 val;
7b464c9f
LF		 329
330 memcpy((u8 *)&val, rtw_get_capability_from_ie(bss->IEs), 2);
331
7b464c9f
LF		 332 return le16_to_cpu(val);
333}
334
335u8 *rtw_get_timestampe_from_ie(u8 *ie)
336{
337 return ie + 0;
338}
339
340u8 *rtw_get_beacon_interval_from_ie(u8 *ie)
341{
342 return ie + 8;
343}
344
b4ed18b1 345int rtw_init_mlme_priv(struct adapter *padapter)
7b464c9f
LF		 346{
347 int res;
7b464c9f 348 res = _rtw_init_mlme_priv(padapter);/* (pmlmepriv); */
7b464c9f
LF		 349 return res;
350}
351
b4ed18b1 352void rtw_free_mlme_priv(struct mlme_priv *pmlmepriv)
7b464c9f 353{
7b464c9f 354 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("rtw_free_mlme_priv\n"));
b4ed18b1 355 _rtw_free_mlme_priv(pmlmepriv);
7b464c9f
LF		 356}
357
358static struct wlan_network *rtw_alloc_network(struct mlme_priv *pmlmepriv)
359{
f578b5d3 360 return _rtw_alloc_network(pmlmepriv);
7b464c9f
LF		 361}
362
363static void rtw_free_network_nolock(struct mlme_priv *pmlmepriv,
364 struct wlan_network *pnetwork)
365{
7b464c9f 366 _rtw_free_network_nolock(pmlmepriv, pnetwork);
7b464c9f
LF		 367}
368
369
370void rtw_free_network_queue(struct adapter *dev, u8 isfreeall)
371{
7b464c9f 372 _rtw_free_network_queue(dev, isfreeall);
7b464c9f
LF		 373}
374
375/*
376 return the wlan_network with the matching addr
377
378 Shall be calle under atomic context... to avoid possible racing condition...
379*/
380struct wlan_network *rtw_find_network(struct __queue *scanned_queue, u8 *addr)
381{
382 struct wlan_network *pnetwork = _rtw_find_network(scanned_queue, addr);
383
384 return pnetwork;
385}
386
387int rtw_is_same_ibss(struct adapter *adapter, struct wlan_network *pnetwork)
388{
389 int ret = true;
390 struct security_priv *psecuritypriv = &adapter->securitypriv;
391
392 if ((psecuritypriv->dot11PrivacyAlgrthm != _NO_PRIVACY_) &&
393 (pnetwork->network.Privacy == 0))
394 ret = false;
395 else if ((psecuritypriv->dot11PrivacyAlgrthm == _NO_PRIVACY_) &&
396 (pnetwork->network.Privacy == 1))
397 ret = false;
398 else
399 ret = true;
400 return ret;
401}
402
403static int is_same_ess(struct wlan_bssid_ex *a, struct wlan_bssid_ex *b)
404{
405 return (a->Ssid.SsidLength == b->Ssid.SsidLength) &&
f42f52aa 406 !memcmp(a->Ssid.Ssid, b->Ssid.Ssid, a->Ssid.SsidLength);
7b464c9f
LF		 407}
408
409int is_same_network(struct wlan_bssid_ex *src, struct wlan_bssid_ex *dst)
410{
411 u16 s_cap, d_cap;
412 __le16 le_scap, le_dcap;
413
7b464c9f
LF		 414 memcpy((u8 *)&le_scap, rtw_get_capability_from_ie(src->IEs), 2);
415 memcpy((u8 *)&le_dcap, rtw_get_capability_from_ie(dst->IEs), 2);
416
417
418 s_cap = le16_to_cpu(le_scap);
419 d_cap = le16_to_cpu(le_dcap);
420
7b464c9f 421 return ((src->Ssid.SsidLength == dst->Ssid.SsidLength) &&
f42f52aa
LF		 422 ((!memcmp(src->MacAddress, dst->MacAddress, ETH_ALEN)) == true) &&
423 ((!memcmp(src->Ssid.Ssid, dst->Ssid.Ssid, src->Ssid.SsidLength)) == true) &&
7b464c9f
LF		 424 ((s_cap & WLAN_CAPABILITY_IBSS) ==
425 (d_cap & WLAN_CAPABILITY_IBSS)) &&
426 ((s_cap & WLAN_CAPABILITY_BSS) ==
427 (d_cap & WLAN_CAPABILITY_BSS)));
428}
429
430struct wlan_network *rtw_get_oldest_wlan_network(struct __queue *scanned_queue)
431{
432 struct list_head *plist, *phead;
433 struct wlan_network *pwlan = NULL;
434 struct wlan_network *oldest = NULL;
435
7b464c9f
LF		 436 phead = get_list_head(scanned_queue);
437
c44e5e39 438 plist = phead->next;
7b464c9f
LF		 439
440 while (1) {
84660700 441 if (phead == plist)
7b464c9f
LF		 442 break;
443
bea88100 444 pwlan = container_of(plist, struct wlan_network, list);
7b464c9f
LF		 445
446 if (!pwlan->fixed) {
447 if (oldest == NULL || time_after(oldest->last_scanned, pwlan->last_scanned))
448 oldest = pwlan;
449 }
450
c44e5e39 451 plist = plist->next;
7b464c9f 452 }
7b464c9f
LF		 453 return oldest;
454}
455
456void update_network(struct wlan_bssid_ex *dst, struct wlan_bssid_ex *src,
457 struct adapter *padapter, bool update_ie)
458{
459 long rssi_ori = dst->Rssi;
460 u8 sq_smp = src->PhyInfo.SignalQuality;
461 u8 ss_final;
462 u8 sq_final;
463 long rssi_final;
464
7b464c9f
LF		 465 rtw_hal_antdiv_rssi_compared(padapter, dst, src); /* this will update src.Rssi, need consider again */
466
467 /* The rule below is 1/5 for sample value, 4/5 for history value */
468 if (check_fwstate(&padapter->mlmepriv, _FW_LINKED) && is_same_network(&(padapter->mlmepriv.cur_network.network), src)) {
469 /* Take the recvpriv's value for the connected AP*/
470 ss_final = padapter->recvpriv.signal_strength;
471 sq_final = padapter->recvpriv.signal_qual;
472 /* the rssi value here is undecorated, and will be used for antenna diversity */
473 if (sq_smp != 101) /* from the right channel */
474 rssi_final = (src->Rssi+dst->Rssi*4)/5;
475 else
476 rssi_final = rssi_ori;
477 } else {
478 if (sq_smp != 101) { /* from the right channel */
479 ss_final = ((u32)(src->PhyInfo.SignalStrength)+(u32)(dst->PhyInfo.SignalStrength)*4)/5;
480 sq_final = ((u32)(src->PhyInfo.SignalQuality)+(u32)(dst->PhyInfo.SignalQuality)*4)/5;
481 rssi_final = (src->Rssi+dst->Rssi*4)/5;
482 } else {
08c64f93 483 /* bss info not receiving from the right channel, use the original RX signal infos */
7b464c9f
LF		 484 ss_final = dst->PhyInfo.SignalStrength;
485 sq_final = dst->PhyInfo.SignalQuality;
486 rssi_final = dst->Rssi;
487 }
488 }
489 if (update_ie)
490 memcpy((u8 *)dst, (u8 *)src, get_wlan_bssid_ex_sz(src));
491 dst->PhyInfo.SignalStrength = ss_final;
492 dst->PhyInfo.SignalQuality = sq_final;
493 dst->Rssi = rssi_final;
494
7b464c9f
LF		 495}
496
497static void update_current_network(struct adapter *adapter, struct wlan_bssid_ex *pnetwork)
498{
499 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
500
7b464c9f
LF		 501 if ((check_fwstate(pmlmepriv, _FW_LINKED) == true) &&
502 (is_same_network(&(pmlmepriv->cur_network.network), pnetwork))) {
503 update_network(&(pmlmepriv->cur_network.network), pnetwork, adapter, true);
504 rtw_update_protection(adapter, (pmlmepriv->cur_network.network.IEs) + sizeof(struct ndis_802_11_fixed_ie),
505 pmlmepriv->cur_network.network.IELength);
506 }
7b464c9f
LF		 507}
508
509/*
510Caller must hold pmlmepriv->lock first.
511*/
512void rtw_update_scanned_network(struct adapter *adapter, struct wlan_bssid_ex *target)
513{
7b464c9f
LF		 514 struct list_head *plist, *phead;
515 u32 bssid_ex_sz;
516 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
517 struct __queue *queue = &(pmlmepriv->scanned_queue);
518 struct wlan_network *pnetwork = NULL;
519 struct wlan_network *oldest = NULL;
520
7057dcb3 521 spin_lock_bh(&queue->lock);
7b464c9f 522 phead = get_list_head(queue);
c44e5e39 523 plist = phead->next;
7b464c9f 524
84660700 525 while (phead != plist) {
bea88100 526 pnetwork = container_of(plist, struct wlan_network, list);
7b464c9f
LF		 527
528 if (is_same_network(&(pnetwork->network), target))
529 break;
530 if ((oldest == ((struct wlan_network *)0)) ||
531 time_after(oldest->last_scanned, pnetwork->last_scanned))
532 oldest = pnetwork;
c44e5e39 533 plist = plist->next;
7b464c9f
LF		 534 }
535 /* If we didn't find a match, then get a new network slot to initialize
536 * with this beacon's information */
84660700 537 if (phead == plist) {
7b464c9f
LF		 538 if (_rtw_queue_empty(&(pmlmepriv->free_bss_pool)) == true) {
539 /* If there are no more slots, expire the oldest */
540 pnetwork = oldest;
541
542 rtw_hal_get_def_var(adapter, HAL_DEF_CURRENT_ANTENNA, &(target->PhyInfo.Optimum_antenna));
543 memcpy(&(pnetwork->network), target, get_wlan_bssid_ex_sz(target));
544 /* variable initialize */
545 pnetwork->fixed = false;
c01fb496 546 pnetwork->last_scanned = jiffies;
7b464c9f
LF		 547
548 pnetwork->network_type = 0;
549 pnetwork->aid = 0;
550 pnetwork->join_res = 0;
551
08c64f93 552 /* bss info not receiving from the right channel */
7b464c9f
LF		 553 if (pnetwork->network.PhyInfo.SignalQuality == 101)
554 pnetwork->network.PhyInfo.SignalQuality = 0;
555 } else {
556 /* Otherwise just pull from the free list */
557
558 pnetwork = rtw_alloc_network(pmlmepriv); /* will update scan_time */
559
560 if (pnetwork == NULL) {
561 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n\n\nsomething wrong here\n\n\n"));
562 goto exit;
563 }
564
565 bssid_ex_sz = get_wlan_bssid_ex_sz(target);
566 target->Length = bssid_ex_sz;
567 rtw_hal_get_def_var(adapter, HAL_DEF_CURRENT_ANTENNA, &(target->PhyInfo.Optimum_antenna));
568 memcpy(&(pnetwork->network), target, bssid_ex_sz);
569
c01fb496 570 pnetwork->last_scanned = jiffies;
7b464c9f 571
08c64f93 572 /* bss info not receiving from the right channel */
7b464c9f
LF		 573 if (pnetwork->network.PhyInfo.SignalQuality == 101)
574 pnetwork->network.PhyInfo.SignalQuality = 0;
ae6787ad 575 list_add_tail(&(pnetwork->list), &(queue->queue));
7b464c9f
LF		 576 }
577 } else {
578 /* we have an entry and we are going to update it. But this entry may
579 * be already expired. In this case we do the same as we found a new
580 * net and call the new_net handler
581 */
582 bool update_ie = true;
583
c01fb496 584 pnetwork->last_scanned = jiffies;
7b464c9f 585
08c64f93 586 /* target.Reserved[0]== 1, means that scanned network is a bcn frame. */
7b464c9f
LF		 587 if ((pnetwork->network.IELength > target->IELength) && (target->Reserved[0] == 1))
588 update_ie = false;
589
590 update_network(&(pnetwork->network), target, adapter, update_ie);
591 }
592
593exit:
e02bcf61 594 spin_unlock_bh(&queue->lock);
7b464c9f 595
7b464c9f
LF		 596}
597
598static void rtw_add_network(struct adapter *adapter,
599 struct wlan_bssid_ex *pnetwork)
600{
7b464c9f
LF		 601#if defined(CONFIG_88EU_P2P)
602 rtw_wlan_bssid_ex_remove_p2p_attr(pnetwork, P2P_ATTR_GROUP_INFO);
603#endif
604 update_current_network(adapter, pnetwork);
605 rtw_update_scanned_network(adapter, pnetwork);
7b464c9f
LF		 606}
607
9137c9df
EO		 608/*
609 * select the desired network based on the capability of the (i)bss.
610 * check items: (1) security
611 * (2) network_type
612 * (3) WMM
613 * (4) HT
614 * (5) others
615 */
7b464c9f
LF		 616static int rtw_is_desired_network(struct adapter *adapter, struct wlan_network *pnetwork)
617{
618 struct security_priv *psecuritypriv = &adapter->securitypriv;
619 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
620 u32 desired_encmode;
621 u32 privacy;
622
623 /* u8 wps_ie[512]; */
624 uint wps_ielen;
625
626 int bselected = true;
627
628 desired_encmode = psecuritypriv->ndisencryptstatus;
629 privacy = pnetwork->network.Privacy;
630
631 if (check_fwstate(pmlmepriv, WIFI_UNDER_WPS)) {
632 if (rtw_get_wps_ie(pnetwork->network.IEs+_FIXED_IE_LENGTH_, pnetwork->network.IELength-_FIXED_IE_LENGTH_, NULL, &wps_ielen) != NULL)
633 return true;
634 else
635 return false;
636 }
637 if (adapter->registrypriv.wifi_spec == 1) { /* for correct flow of 8021X to do.... */
638 if ((desired_encmode == Ndis802_11EncryptionDisabled) && (privacy != 0))
639 bselected = false;
640 }
641
642
643 if ((desired_encmode != Ndis802_11EncryptionDisabled) && (privacy == 0)) {
644 DBG_88E("desired_encmode: %d, privacy: %d\n", desired_encmode, privacy);
645 bselected = false;
646 }
647
648 if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true) {
649 if (pnetwork->network.InfrastructureMode != pmlmepriv->cur_network.network.InfrastructureMode)
650 bselected = false;
651 }
652
653
654 return bselected;
655}
656
657/* TODO: Perry: For Power Management */
658void rtw_atimdone_event_callback(struct adapter *adapter , u8 *pbuf)
659{
7b464c9f 660 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("receive atimdone_evet\n"));
7b464c9f
LF		 661 return;
662}
663
664
665void rtw_survey_event_callback(struct adapter *adapter, u8 *pbuf)
666{
7b464c9f
LF		 667 u32 len;
668 struct wlan_bssid_ex *pnetwork;
669 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
670
7b464c9f
LF		 671 pnetwork = (struct wlan_bssid_ex *)pbuf;
672
673 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("rtw_survey_event_callback, ssid=%s\n", pnetwork->Ssid.Ssid));
674
675 len = get_wlan_bssid_ex_sz(pnetwork);
676 if (len > (sizeof(struct wlan_bssid_ex))) {
677 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n****rtw_survey_event_callback: return a wrong bss ***\n"));
678 return;
679 }
7057dcb3 680 spin_lock_bh(&pmlmepriv->lock);
7b464c9f
LF		 681
682 /* update IBSS_network 's timestamp */
683 if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) == true) {
f42f52aa 684 if (!memcmp(&(pmlmepriv->cur_network.network.MacAddress), pnetwork->MacAddress, ETH_ALEN)) {
7b464c9f 685 struct wlan_network *ibss_wlan = NULL;
7b464c9f
LF		 686
687 memcpy(pmlmepriv->cur_network.network.IEs, pnetwork->IEs, 8);
7057dcb3 688 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
7b464c9f
LF		 689 ibss_wlan = rtw_find_network(&pmlmepriv->scanned_queue, pnetwork->MacAddress);
690 if (ibss_wlan) {
691 memcpy(ibss_wlan->network.IEs , pnetwork->IEs, 8);
e02bcf61 692 spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
7b464c9f
LF		 693 goto exit;
694 }
e02bcf61 695 spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
7b464c9f
LF		 696 }
697 }
698
699 /* lock pmlmepriv->lock when you accessing network_q */
700 if ((check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) == false) {
701 if (pnetwork->Ssid.Ssid[0] == 0)
702 pnetwork->Ssid.SsidLength = 0;
703 rtw_add_network(adapter, pnetwork);
704 }
705
706exit:
707
e02bcf61 708 spin_unlock_bh(&pmlmepriv->lock);
7b464c9f
LF		 709 return;
710}
711
7b464c9f
LF		 712void rtw_surveydone_event_callback(struct adapter *adapter, u8 *pbuf)
713{
7b464c9f
LF		 714 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
715 struct mlme_ext_priv *pmlmeext;
716
7057dcb3 717 spin_lock_bh(&pmlmepriv->lock);
7b464c9f
LF		 718
719 if (pmlmepriv->wps_probe_req_ie) {
720 pmlmepriv->wps_probe_req_ie_len = 0;
721 kfree(pmlmepriv->wps_probe_req_ie);
722 pmlmepriv->wps_probe_req_ie = NULL;
723 }
724
725 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("rtw_surveydone_event_callback: fw_state:%x\n\n", get_fwstate(pmlmepriv)));
726
727 if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY)) {
728 u8 timer_cancelled;
729
730 _cancel_timer(&pmlmepriv->scan_to_timer, &timer_cancelled);
731
732 _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY);
733 } else {
734 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("nic status=%x, survey done event comes too late!\n", get_fwstate(pmlmepriv)));
735 }
736
737 rtw_set_signal_stat_timer(&adapter->recvpriv);
738
739 if (pmlmepriv->to_join) {
740 if ((check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true)) {
741 if (check_fwstate(pmlmepriv, _FW_LINKED) == false) {
742 set_fwstate(pmlmepriv, _FW_UNDER_LINKING);
743
744 if (rtw_select_and_join_from_scanned_queue(pmlmepriv) == _SUCCESS) {
745 _set_timer(&pmlmepriv->assoc_timer, MAX_JOIN_TIMEOUT);
746 } else {
747 struct wlan_bssid_ex *pdev_network = &(adapter->registrypriv.dev_network);
748 u8 *pibss = adapter->registrypriv.dev_network.MacAddress;
749
750 _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY);
751
752 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("switching to adhoc master\n"));
753
1ce39848 754 memset(&pdev_network->Ssid, 0, sizeof(struct ndis_802_11_ssid));
7b464c9f
LF		 755 memcpy(&pdev_network->Ssid, &pmlmepriv->assoc_ssid, sizeof(struct ndis_802_11_ssid));
756
757 rtw_update_registrypriv_dev_network(adapter);
758 rtw_generate_random_ibss(pibss);
759
760 pmlmepriv->fw_state = WIFI_ADHOC_MASTER_STATE;
761
762 if (rtw_createbss_cmd(adapter) != _SUCCESS)
763 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Error=>rtw_createbss_cmd status FAIL\n"));
764 pmlmepriv->to_join = false;
765 }
766 }
767 } else {
768 int s_ret;
769 set_fwstate(pmlmepriv, _FW_UNDER_LINKING);
770 pmlmepriv->to_join = false;
771 s_ret = rtw_select_and_join_from_scanned_queue(pmlmepriv);
772 if (_SUCCESS == s_ret) {
773 _set_timer(&pmlmepriv->assoc_timer, MAX_JOIN_TIMEOUT);
774 } else if (s_ret == 2) { /* there is no need to wait for join */
775 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
776 rtw_indicate_connect(adapter);
777 } else {
778 DBG_88E("try_to_join, but select scanning queue fail, to_roaming:%d\n", pmlmepriv->to_roaming);
779 if (pmlmepriv->to_roaming != 0) {
780 if (--pmlmepriv->to_roaming == 0 ||
781 _SUCCESS != rtw_sitesurvey_cmd(adapter, &pmlmepriv->assoc_ssid, 1, NULL, 0)) {
782 pmlmepriv->to_roaming = 0;
783 rtw_free_assoc_resources(adapter, 1);
784 rtw_indicate_disconnect(adapter);
785 } else {
786 pmlmepriv->to_join = true;
787 }
788 }
789 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
790 }
791 }
792 }
793
794 indicate_wx_scan_complete_event(adapter);
795
e02bcf61 796 spin_unlock_bh(&pmlmepriv->lock);
7b464c9f
LF		 797
798 if (check_fwstate(pmlmepriv, _FW_LINKED) == true)
799 p2p_ps_wk_cmd(adapter, P2P_PS_SCAN_DONE, 0);
800
801 rtw_os_xmit_schedule(adapter);
802
803 pmlmeext = &adapter->mlmeextpriv;
7b464c9f
LF		 804}
805
806void rtw_dummy_event_callback(struct adapter *adapter , u8 *pbuf)
807{
808}
809
810void rtw_fwdbg_event_callback(struct adapter *adapter , u8 *pbuf)
811{
812}
813
814static void free_scanqueue(struct mlme_priv *pmlmepriv)
815{
7b464c9f
LF		 816 struct __queue *free_queue = &pmlmepriv->free_bss_pool;
817 struct __queue *scan_queue = &pmlmepriv->scanned_queue;
818 struct list_head *plist, *phead, *ptemp;
819
7b464c9f 820 RT_TRACE(_module_rtl871x_mlme_c_, _drv_notice_, ("+free_scanqueue\n"));
7057dcb3
LF		 821 spin_lock_bh(&scan_queue->lock);
822 spin_lock_bh(&free_queue->lock);
7b464c9f
LF		 823
824 phead = get_list_head(scan_queue);
c44e5e39 825 plist = phead->next;
7b464c9f
LF		 826
827 while (plist != phead) {
c44e5e39 828 ptemp = plist->next;
7b464c9f 829 rtw_list_delete(plist);
ae6787ad 830 list_add_tail(plist, &free_queue->queue);
7b464c9f
LF		 831 plist = ptemp;
832 pmlmepriv->num_of_scanned--;
833 }
834
e02bcf61
LF		 835 spin_unlock_bh(&free_queue->lock);
836 spin_unlock_bh(&scan_queue->lock);
7b464c9f
LF		 837}
838
839/*
840*rtw_free_assoc_resources: the caller has to lock pmlmepriv->lock
841*/
842void rtw_free_assoc_resources(struct adapter *adapter, int lock_scanned_queue)
843{
7b464c9f
LF		 844 struct wlan_network *pwlan = NULL;
845 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
846 struct sta_priv *pstapriv = &adapter->stapriv;
847 struct wlan_network *tgt_network = &pmlmepriv->cur_network;
848
7b464c9f
LF		 849 RT_TRACE(_module_rtl871x_mlme_c_, _drv_notice_, ("+rtw_free_assoc_resources\n"));
850 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
851 ("tgt_network->network.MacAddress=%pM ssid=%s\n",
852 tgt_network->network.MacAddress, tgt_network->network.Ssid.Ssid));
853
854 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE | WIFI_AP_STATE)) {
855 struct sta_info *psta;
856
857 psta = rtw_get_stainfo(&adapter->stapriv, tgt_network->network.MacAddress);
858
7057dcb3 859 spin_lock_bh(&(pstapriv->sta_hash_lock));
7b464c9f 860 rtw_free_stainfo(adapter, psta);
e02bcf61 861 spin_unlock_bh(&pstapriv->sta_hash_lock);
7b464c9f
LF		 862 }
863
864 if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE | WIFI_ADHOC_MASTER_STATE | WIFI_AP_STATE)) {
865 struct sta_info *psta;
866
867 rtw_free_all_stainfo(adapter);
868
869 psta = rtw_get_bcmc_stainfo(adapter);
7057dcb3 870 spin_lock_bh(&(pstapriv->sta_hash_lock));
7b464c9f 871 rtw_free_stainfo(adapter, psta);
e02bcf61 872 spin_unlock_bh(&pstapriv->sta_hash_lock);
7b464c9f
LF		 873
874 rtw_init_bcmc_stainfo(adapter);
875 }
876
877 if (lock_scanned_queue)
7057dcb3 878 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
7b464c9f
LF		 879
880 pwlan = rtw_find_network(&pmlmepriv->scanned_queue, tgt_network->network.MacAddress);
881 if (pwlan)
882 pwlan->fixed = false;
883 else
884 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("rtw_free_assoc_resources:pwlan==NULL\n\n"));
885
886 if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) && (adapter->stapriv.asoc_sta_count == 1)))
887 rtw_free_network_nolock(pmlmepriv, pwlan);
888
889 if (lock_scanned_queue)
e02bcf61 890 spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
7b464c9f 891 pmlmepriv->key_mask = 0;
7b464c9f
LF		 892}
893
894/*
895*rtw_indicate_connect: the caller has to lock pmlmepriv->lock
896*/
897void rtw_indicate_connect(struct adapter *padapter)
898{
899 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
900
7b464c9f
LF		 901 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("+rtw_indicate_connect\n"));
902
903 pmlmepriv->to_join = false;
904
905 if (!check_fwstate(&padapter->mlmepriv, _FW_LINKED)) {
906 set_fwstate(pmlmepriv, _FW_LINKED);
907
908 rtw_led_control(padapter, LED_CTL_LINK);
909
910 rtw_os_indicate_connect(padapter);
911 }
912
913 pmlmepriv->to_roaming = 0;
914
915 rtw_set_scan_deny(padapter, 3000);
916
917 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("-rtw_indicate_connect: fw_state=0x%08x\n", get_fwstate(pmlmepriv)));
7b464c9f
LF		 918}
919
920/*
921*rtw_indicate_disconnect: the caller has to lock pmlmepriv->lock
922*/
923void rtw_indicate_disconnect(struct adapter *padapter)
924{
925 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
926
7b464c9f
LF		 927 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("+rtw_indicate_disconnect\n"));
928
929 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING | WIFI_UNDER_WPS);
930
931
932 if (pmlmepriv->to_roaming > 0)
933 _clr_fwstate_(pmlmepriv, _FW_LINKED);
934
935 if (check_fwstate(&padapter->mlmepriv, _FW_LINKED) ||
936 (pmlmepriv->to_roaming <= 0)) {
937 rtw_os_indicate_disconnect(padapter);
938
939 _clr_fwstate_(pmlmepriv, _FW_LINKED);
940 rtw_led_control(padapter, LED_CTL_NO_LINK);
941 rtw_clear_scan_deny(padapter);
942 }
943 p2p_ps_wk_cmd(padapter, P2P_PS_DISABLE, 1);
944
945 rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_DISCONNECT, 1);
7b464c9f
LF		 946}
947
948inline void rtw_indicate_scan_done(struct adapter *padapter, bool aborted)
949{
950 rtw_os_indicate_scan_done(padapter, aborted);
951}
952
953void rtw_scan_abort(struct adapter *adapter)
954{
955 u32 start;
956 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
957 struct mlme_ext_priv *pmlmeext = &(adapter->mlmeextpriv);
958
c01fb496 959 start = jiffies;
7b464c9f
LF		 960 pmlmeext->scan_abort = true;
961 while (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY) &&
962 rtw_get_passing_time_ms(start) <= 200) {
963 if (adapter->bDriverStopped || adapter->bSurpriseRemoved)
964 break;
965 DBG_88E(FUNC_NDEV_FMT"fw_state=_FW_UNDER_SURVEY!\n", FUNC_NDEV_ARG(adapter->pnetdev));
0da46e6b 966 msleep(20);
7b464c9f
LF		 967 }
968 if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY)) {
969 if (!adapter->bDriverStopped && !adapter->bSurpriseRemoved)
970 DBG_88E(FUNC_NDEV_FMT"waiting for scan_abort time out!\n", FUNC_NDEV_ARG(adapter->pnetdev));
971 rtw_indicate_scan_done(adapter, true);
972 }
973 pmlmeext->scan_abort = false;
974}
975
976static struct sta_info *rtw_joinbss_update_stainfo(struct adapter *padapter, struct wlan_network *pnetwork)
977{
978 int i;
979 struct sta_info *bmc_sta, *psta = NULL;
980 struct recv_reorder_ctrl *preorder_ctrl;
981 struct sta_priv *pstapriv = &padapter->stapriv;
982
983 psta = rtw_get_stainfo(pstapriv, pnetwork->network.MacAddress);
984 if (psta == NULL)
985 psta = rtw_alloc_stainfo(pstapriv, pnetwork->network.MacAddress);
986
987 if (psta) { /* update ptarget_sta */
988 DBG_88E("%s\n", __func__);
989 psta->aid = pnetwork->join_res;
990 psta->mac_id = 0;
991 /* sta mode */
992 rtw_hal_set_odm_var(padapter, HAL_ODM_STA_INFO, psta, true);
993 /* security related */
994 if (padapter->securitypriv.dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) {
995 padapter->securitypriv.binstallGrpkey = false;
996 padapter->securitypriv.busetkipkey = false;
997 padapter->securitypriv.bgrpkey_handshake = false;
998 psta->ieee8021x_blocked = true;
999 psta->dot118021XPrivacy = padapter->securitypriv.dot11PrivacyAlgrthm;
1ce39848 1000 memset((u8 *)&psta->dot118021x_UncstKey, 0, sizeof(union Keytype));
1001 memset((u8 *)&psta->dot11tkiprxmickey, 0, sizeof(union Keytype));
1002 memset((u8 *)&psta->dot11tkiptxmickey, 0, sizeof(union Keytype));
1003 memset((u8 *)&psta->dot11txpn, 0, sizeof(union pn48));
1004 memset((u8 *)&psta->dot11rxpn, 0, sizeof(union pn48));
7b464c9f 1005 }
9137c9df
EO		 1006 /*
1007 * Commented by Albert 2012/07/21
1008 * When doing the WPS, the wps_ie_len won't equal to 0
1009 * And the Wi-Fi driver shouldn't allow the data
1010 * packet to be tramsmitted.
1011 */
7b464c9f
LF		 1012 if (padapter->securitypriv.wps_ie_len != 0) {
1013 psta->ieee8021x_blocked = true;
1014 padapter->securitypriv.wps_ie_len = 0;
1015 }
1016 /* for A-MPDU Rx reordering buffer control for bmc_sta & sta_info */
08c64f93 1017 /* if A-MPDU Rx is enabled, resetting rx_ordering_ctrl wstart_b(indicate_seq) to default value = 0xffff */
7b464c9f
LF		 1018 /* todo: check if AP can send A-MPDU packets */
1019 for (i = 0; i < 16; i++) {
1020 /* preorder_ctrl = &precvpriv->recvreorder_ctrl[i]; */
1021 preorder_ctrl = &psta->recvreorder_ctrl[i];
1022 preorder_ctrl->enable = false;
1023 preorder_ctrl->indicate_seq = 0xffff;
1024 preorder_ctrl->wend_b = 0xffff;
1025 preorder_ctrl->wsize_b = 64;/* max_ampdu_sz; ex. 32(kbytes) -> wsize_b = 32 */
1026 }
1027 bmc_sta = rtw_get_bcmc_stainfo(padapter);
1028 if (bmc_sta) {
1029 for (i = 0; i < 16; i++) {
1030 /* preorder_ctrl = &precvpriv->recvreorder_ctrl[i]; */
1031 preorder_ctrl = &bmc_sta->recvreorder_ctrl[i];
1032 preorder_ctrl->enable = false;
1033 preorder_ctrl->indicate_seq = 0xffff;
1034 preorder_ctrl->wend_b = 0xffff;
1035 preorder_ctrl->wsize_b = 64;/* max_ampdu_sz; ex. 32(kbytes) -> wsize_b = 32 */
1036 }
1037 }
1038 /* misc. */
1039 update_sta_info(padapter, psta);
1040 }
1041 return psta;
1042}
1043
1044/* pnetwork: returns from rtw_joinbss_event_callback */
1045/* ptarget_wlan: found from scanned_queue */
1046static void rtw_joinbss_update_network(struct adapter *padapter, struct wlan_network *ptarget_wlan, struct wlan_network *pnetwork)
1047{
1048 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
1049 struct wlan_network *cur_network = &(pmlmepriv->cur_network);
1050
1051 DBG_88E("%s\n", __func__);
1052
1053 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
1054 ("\nfw_state:%x, BSSID:%pM\n",
1055 get_fwstate(pmlmepriv), pnetwork->network.MacAddress));
1056
1057
1058 /* why not use ptarget_wlan?? */
1059 memcpy(&cur_network->network, &pnetwork->network, pnetwork->network.Length);
1060 /* some IEs in pnetwork is wrong, so we should use ptarget_wlan IEs */
1061 cur_network->network.IELength = ptarget_wlan->network.IELength;
1062 memcpy(&cur_network->network.IEs[0], &ptarget_wlan->network.IEs[0], MAX_IE_SZ);
1063
1064 cur_network->aid = pnetwork->join_res;
1065
1066
1067 rtw_set_signal_stat_timer(&padapter->recvpriv);
1068 padapter->recvpriv.signal_strength = ptarget_wlan->network.PhyInfo.SignalStrength;
1069 padapter->recvpriv.signal_qual = ptarget_wlan->network.PhyInfo.SignalQuality;
1070 /* the ptarget_wlan->network.Rssi is raw data, we use ptarget_wlan->network.PhyInfo.SignalStrength instead (has scaled) */
1071 padapter->recvpriv.rssi = translate_percentage_to_dbm(ptarget_wlan->network.PhyInfo.SignalStrength);
1072 rtw_set_signal_stat_timer(&padapter->recvpriv);
1073
1074 /* update fw_state will clr _FW_UNDER_LINKING here indirectly */
1075 switch (pnetwork->network.InfrastructureMode) {
1076 case Ndis802_11Infrastructure:
1077 if (pmlmepriv->fw_state&WIFI_UNDER_WPS)
1078 pmlmepriv->fw_state = WIFI_STATION_STATE|WIFI_UNDER_WPS;
1079 else
1080 pmlmepriv->fw_state = WIFI_STATION_STATE;
1081 break;
1082 case Ndis802_11IBSS:
1083 pmlmepriv->fw_state = WIFI_ADHOC_STATE;
1084 break;
1085 default:
1086 pmlmepriv->fw_state = WIFI_NULL_STATE;
1087 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Invalid network_mode\n"));
1088 break;
1089 }
1090
1091 rtw_update_protection(padapter, (cur_network->network.IEs) +
1092 sizeof(struct ndis_802_11_fixed_ie),
1093 (cur_network->network.IELength));
1094 rtw_update_ht_cap(padapter, cur_network->network.IEs, cur_network->network.IELength);
1095}
1096
08c64f93 1097/* Notes: the function could be > passive_level (the same context as Rx tasklet) */
7b464c9f
LF		 1098/* pnetwork: returns from rtw_joinbss_event_callback */
1099/* ptarget_wlan: found from scanned_queue */
1100/* if join_res > 0, for (fw_state == WIFI_STATION_STATE), we check if "ptarget_sta" & "ptarget_wlan" exist. */
1101/* if join_res > 0, for (fw_state == WIFI_ADHOC_STATE), we only check if "ptarget_wlan" exist. */
1102/* if join_res > 0, update "cur_network->network" from "pnetwork->network" if (ptarget_wlan != NULL). */
1103
1104void rtw_joinbss_event_prehandle(struct adapter *adapter, u8 *pbuf)
1105{
7b464c9f
LF		 1106 u8 timer_cancelled;
1107 struct sta_info *ptarget_sta = NULL, *pcur_sta = NULL;
1108 struct sta_priv *pstapriv = &adapter->stapriv;
1109 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
1110 struct wlan_network *pnetwork = (struct wlan_network *)pbuf;
1111 struct wlan_network *cur_network = &(pmlmepriv->cur_network);
1112 struct wlan_network *pcur_wlan = NULL, *ptarget_wlan = NULL;
1113 unsigned int the_same_macaddr = false;
1114
7b464c9f
LF		 1115 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("joinbss event call back received with res=%d\n", pnetwork->join_res));
1116
1117 rtw_get_encrypt_decrypt_from_registrypriv(adapter);
1118
1119
1120 if (pmlmepriv->assoc_ssid.SsidLength == 0)
1121 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("@@@@@ joinbss event call back for Any SSid\n"));
1122 else
1123 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("@@@@@ rtw_joinbss_event_callback for SSid:%s\n", pmlmepriv->assoc_ssid.Ssid));
1124
f42f52aa 1125 the_same_macaddr = !memcmp(pnetwork->network.MacAddress, cur_network->network.MacAddress, ETH_ALEN);
7b464c9f
LF		 1126
1127 pnetwork->network.Length = get_wlan_bssid_ex_sz(&pnetwork->network);
1128 if (pnetwork->network.Length > sizeof(struct wlan_bssid_ex)) {
1129 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n\n ***joinbss_evt_callback return a wrong bss ***\n\n"));
f578b5d3 1130 return;
7b464c9f
LF		 1131 }
1132
7057dcb3 1133 spin_lock_bh(&pmlmepriv->lock);
7b464c9f
LF		 1134
1135 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("\nrtw_joinbss_event_callback!! _enter_critical\n"));
1136
1137 if (pnetwork->join_res > 0) {
7057dcb3 1138 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
7b464c9f
LF		 1139 if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) {
1140 /* s1. find ptarget_wlan */
1141 if (check_fwstate(pmlmepriv, _FW_LINKED)) {
1142 if (the_same_macaddr) {
1143 ptarget_wlan = rtw_find_network(&pmlmepriv->scanned_queue, cur_network->network.MacAddress);
1144 } else {
1145 pcur_wlan = rtw_find_network(&pmlmepriv->scanned_queue, cur_network->network.MacAddress);
1146 if (pcur_wlan)
1147 pcur_wlan->fixed = false;
1148
1149 pcur_sta = rtw_get_stainfo(pstapriv, cur_network->network.MacAddress);
1150 if (pcur_sta) {
7057dcb3 1151 spin_lock_bh(&(pstapriv->sta_hash_lock));
7b464c9f 1152 rtw_free_stainfo(adapter, pcur_sta);
e02bcf61 1153 spin_unlock_bh(&pstapriv->sta_hash_lock);
7b464c9f
LF		 1154 }
1155
1156 ptarget_wlan = rtw_find_network(&pmlmepriv->scanned_queue, pnetwork->network.MacAddress);
1157 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
1158 if (ptarget_wlan)
1159 ptarget_wlan->fixed = true;
1160 }
1161 }
1162 } else {
1163 ptarget_wlan = rtw_find_network(&pmlmepriv->scanned_queue, pnetwork->network.MacAddress);
1164 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
1165 if (ptarget_wlan)
1166 ptarget_wlan->fixed = true;
1167 }
1168 }
1169
1170 /* s2. update cur_network */
1171 if (ptarget_wlan) {
1172 rtw_joinbss_update_network(adapter, ptarget_wlan, pnetwork);
1173 } else {
1174 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Can't find ptarget_wlan when joinbss_event callback\n"));
e02bcf61 1175 spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
7b464c9f
LF		 1176 goto ignore_joinbss_callback;
1177 }
1178
1179
1180 /* s3. find ptarget_sta & update ptarget_sta after update cur_network only for station mode */
1181 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
1182 ptarget_sta = rtw_joinbss_update_stainfo(adapter, pnetwork);
1183 if (ptarget_sta == NULL) {
1184 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Can't update stainfo when joinbss_event callback\n"));
e02bcf61 1185 spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
7b464c9f
LF		 1186 goto ignore_joinbss_callback;
1187 }
1188 }
1189
1190 /* s4. indicate connect */
1191 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
1192 rtw_indicate_connect(adapter);
1193 } else {
1194 /* adhoc mode will rtw_indicate_connect when rtw_stassoc_event_callback */
1195 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("adhoc mode, fw_state:%x", get_fwstate(pmlmepriv)));
1196 }
1197
1198 /* s5. Cancle assoc_timer */
1199 _cancel_timer(&pmlmepriv->assoc_timer, &timer_cancelled);
1200
1201 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("Cancle assoc_timer\n"));
1202
1203 } else {
1204 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("rtw_joinbss_event_callback err: fw_state:%x", get_fwstate(pmlmepriv)));
e02bcf61 1205 spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
7b464c9f
LF		 1206 goto ignore_joinbss_callback;
1207 }
1208
e02bcf61 1209 spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
7b464c9f
LF		 1210
1211 } else if (pnetwork->join_res == -4) {
1212 rtw_reset_securitypriv(adapter);
1213 _set_timer(&pmlmepriv->assoc_timer, 1);
1214
1215 if ((check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) == true) {
1216 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("fail! clear _FW_UNDER_LINKING ^^^fw_state=%x\n", get_fwstate(pmlmepriv)));
1217 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
1218 }
1219 } else { /* if join_res < 0 (join fails), then try again */
1220 _set_timer(&pmlmepriv->assoc_timer, 1);
1221 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
1222 }
1223
1224ignore_joinbss_callback:
e02bcf61 1225 spin_unlock_bh(&pmlmepriv->lock);
7b464c9f
LF		 1226}
1227
1228void rtw_joinbss_event_callback(struct adapter *adapter, u8 *pbuf)
1229{
1230 struct wlan_network *pnetwork = (struct wlan_network *)pbuf;
1231
7b464c9f
LF		 1232 mlmeext_joinbss_event_callback(adapter, pnetwork->join_res);
1233
1234 rtw_os_xmit_schedule(adapter);
7b464c9f
LF		 1235}
1236
1237static u8 search_max_mac_id(struct adapter *padapter)
1238{
1239 u8 mac_id;
b4ed18b1 1240#if defined(CONFIG_88EU_AP_MODE)
7b464c9f
LF		 1241 u8 aid;
1242 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
1243 struct sta_priv *pstapriv = &padapter->stapriv;
1244#endif
1245 struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
1246 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1247
b4ed18b1 1248#if defined(CONFIG_88EU_AP_MODE)
7b464c9f
LF		 1249 if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
1250 for (aid = (pstapriv->max_num_sta); aid > 0; aid--) {
1251 if (pstapriv->sta_aid[aid-1] != NULL)
1252 break;
1253 }
1254 mac_id = aid + 1;
1255 } else
1256#endif
1257 {/* adhoc id = 31~2 */
1258 for (mac_id = (NUM_STA-1); mac_id >= IBSS_START_MAC_ID; mac_id--) {
1259 if (pmlmeinfo->FW_sta_info[mac_id].status == 1)
1260 break;
1261 }
1262 }
1263 return mac_id;
1264}
1265
1266/* FOR AP , AD-HOC mode */
1267void rtw_stassoc_hw_rpt(struct adapter *adapter, struct sta_info *psta)
1268{
1269 u16 media_status;
1270 u8 macid;
1271
1272 if (psta == NULL)
1273 return;
1274
1275 macid = search_max_mac_id(adapter);
1276 rtw_hal_set_hwreg(adapter, HW_VAR_TX_RPT_MAX_MACID, (u8 *)&macid);
1277 media_status = (psta->mac_id<<8)|1; /* MACID|OPMODE:1 connect */
1278 rtw_hal_set_hwreg(adapter, HW_VAR_H2C_MEDIA_STATUS_RPT, (u8 *)&media_status);
1279}
1280
1281void rtw_stassoc_event_callback(struct adapter *adapter, u8 *pbuf)
1282{
7b464c9f
LF		 1283 struct sta_info *psta;
1284 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
1285 struct stassoc_event *pstassoc = (struct stassoc_event *)pbuf;
1286 struct wlan_network *cur_network = &(pmlmepriv->cur_network);
1287 struct wlan_network *ptarget_wlan = NULL;
1288
7b464c9f
LF		 1289 if (rtw_access_ctrl(adapter, pstassoc->macaddr) == false)
1290 return;
1291
b4ed18b1 1292#if defined(CONFIG_88EU_AP_MODE)
7b464c9f
LF		 1293 if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
1294 psta = rtw_get_stainfo(&adapter->stapriv, pstassoc->macaddr);
1295 if (psta) {
1296 ap_sta_info_defer_update(adapter, psta);
1297 rtw_stassoc_hw_rpt(adapter, psta);
1298 }
f578b5d3 1299 return;
7b464c9f
LF		 1300 }
1301#endif
1302 /* for AD-HOC mode */
1303 psta = rtw_get_stainfo(&adapter->stapriv, pstassoc->macaddr);
1304 if (psta != NULL) {
1305 /* the sta have been in sta_info_queue => do nothing */
1306 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Error: rtw_stassoc_event_callback: sta has been in sta_hash_queue\n"));
f578b5d3 1307 return; /* between drv has received this event before and fw have not yet to set key to CAM_ENTRY) */
7b464c9f
LF		 1308 }
1309 psta = rtw_alloc_stainfo(&adapter->stapriv, pstassoc->macaddr);
1310 if (psta == NULL) {
1311 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Can't alloc sta_info when rtw_stassoc_event_callback\n"));
f578b5d3 1312 return;
7b464c9f
LF		 1313 }
1314 /* to do: init sta_info variable */
1315 psta->qos_option = 0;
1316 psta->mac_id = (uint)pstassoc->cam_id;
1317 DBG_88E("%s\n", __func__);
1318 /* for ad-hoc mode */
1319 rtw_hal_set_odm_var(adapter, HAL_ODM_STA_INFO, psta, true);
1320 rtw_stassoc_hw_rpt(adapter, psta);
1321 if (adapter->securitypriv.dot11AuthAlgrthm == dot11AuthAlgrthm_8021X)
1322 psta->dot118021XPrivacy = adapter->securitypriv.dot11PrivacyAlgrthm;
1323 psta->ieee8021x_blocked = false;
7057dcb3 1324 spin_lock_bh(&pmlmepriv->lock);
7b464c9f
LF		 1325 if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) ||
1326 (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE))) {
1327 if (adapter->stapriv.asoc_sta_count == 2) {
7057dcb3 1328 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
7b464c9f
LF		 1329 ptarget_wlan = rtw_find_network(&pmlmepriv->scanned_queue, cur_network->network.MacAddress);
1330 if (ptarget_wlan)
1331 ptarget_wlan->fixed = true;
e02bcf61 1332 spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
7b464c9f
LF		 1333 /* a sta + bc/mc_stainfo (not Ibss_stainfo) */
1334 rtw_indicate_connect(adapter);
1335 }
1336 }
e02bcf61 1337 spin_unlock_bh(&pmlmepriv->lock);
7b464c9f 1338 mlmeext_sta_add_event_callback(adapter, psta);
7b464c9f
LF		 1339}
1340
1341void rtw_stadel_event_callback(struct adapter *adapter, u8 *pbuf)
1342{
7b464c9f
LF		 1343 int mac_id = -1;
1344 struct sta_info *psta;
1345 struct wlan_network *pwlan = NULL;
1346 struct wlan_bssid_ex *pdev_network = NULL;
1347 u8 *pibss = NULL;
1348 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
1349 struct stadel_event *pstadel = (struct stadel_event *)pbuf;
1350 struct sta_priv *pstapriv = &adapter->stapriv;
1351 struct wlan_network *tgt_network = &(pmlmepriv->cur_network);
1352
7b464c9f
LF		 1353 psta = rtw_get_stainfo(&adapter->stapriv, pstadel->macaddr);
1354 if (psta)
1355 mac_id = psta->mac_id;
1356 else
1357 mac_id = pstadel->mac_id;
1358
1359 DBG_88E("%s(mac_id=%d)=%pM\n", __func__, mac_id, pstadel->macaddr);
1360
1361 if (mac_id >= 0) {
1362 u16 media_status;
1363 media_status = (mac_id<<8)|0; /* MACID|OPMODE:0 means disconnect */
1364 /* for STA, AP, ADHOC mode, report disconnect stauts to FW */
1365 rtw_hal_set_hwreg(adapter, HW_VAR_H2C_MEDIA_STATUS_RPT, (u8 *)&media_status);
1366 }
1367
1368 if (check_fwstate(pmlmepriv, WIFI_AP_STATE))
1369 return;
1370
1371 mlmeext_sta_del_event_callback(adapter);
1372
7057dcb3 1373 spin_lock_bh(&pmlmepriv->lock);
7b464c9f
LF		 1374
1375 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
1376 if (pmlmepriv->to_roaming > 0)
1377 pmlmepriv->to_roaming--; /* this stadel_event is caused by roaming, decrease to_roaming */
1378 else if (pmlmepriv->to_roaming == 0)
1379 pmlmepriv->to_roaming = adapter->registrypriv.max_roaming_times;
1380
1381 if (*((unsigned short *)(pstadel->rsvd)) != WLAN_REASON_EXPIRATION_CHK)
1382 pmlmepriv->to_roaming = 0; /* don't roam */
1383
1384 rtw_free_uc_swdec_pending_queue(adapter);
1385
1386 rtw_free_assoc_resources(adapter, 1);
1387 rtw_indicate_disconnect(adapter);
7057dcb3 1388 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
7b464c9f
LF		 1389 /* remove the network entry in scanned_queue */
1390 pwlan = rtw_find_network(&pmlmepriv->scanned_queue, tgt_network->network.MacAddress);
1391 if (pwlan) {
1392 pwlan->fixed = false;
1393 rtw_free_network_nolock(pmlmepriv, pwlan);
1394 }
e02bcf61 1395 spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
7b464c9f
LF		 1396 _rtw_roaming(adapter, tgt_network);
1397 }
1398 if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) ||
1399 check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) {
7057dcb3 1400 spin_lock_bh(&(pstapriv->sta_hash_lock));
7b464c9f 1401 rtw_free_stainfo(adapter, psta);
e02bcf61 1402 spin_unlock_bh(&pstapriv->sta_hash_lock);
7b464c9f
LF		 1403
1404 if (adapter->stapriv.asoc_sta_count == 1) { /* a sta + bc/mc_stainfo (not Ibss_stainfo) */
7057dcb3 1405 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
7b464c9f
LF		 1406 /* free old ibss network */
1407 pwlan = rtw_find_network(&pmlmepriv->scanned_queue, tgt_network->network.MacAddress);
1408 if (pwlan) {
1409 pwlan->fixed = false;
1410 rtw_free_network_nolock(pmlmepriv, pwlan);
1411 }
e02bcf61 1412 spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
7b464c9f
LF		 1413 /* re-create ibss */
1414 pdev_network = &(adapter->registrypriv.dev_network);
1415 pibss = adapter->registrypriv.dev_network.MacAddress;
1416
1417 memcpy(pdev_network, &tgt_network->network, get_wlan_bssid_ex_sz(&tgt_network->network));
1418
1ce39848 1419 memset(&pdev_network->Ssid, 0, sizeof(struct ndis_802_11_ssid));
7b464c9f
LF		 1420 memcpy(&pdev_network->Ssid, &pmlmepriv->assoc_ssid, sizeof(struct ndis_802_11_ssid));
1421
1422 rtw_update_registrypriv_dev_network(adapter);
1423
1424 rtw_generate_random_ibss(pibss);
1425
1426 if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) {
1427 set_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE);
1428 _clr_fwstate_(pmlmepriv, WIFI_ADHOC_STATE);
1429 }
1430
1431 if (rtw_createbss_cmd(adapter) != _SUCCESS)
1432 RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_err_, ("***Error=>stadel_event_callback: rtw_createbss_cmd status FAIL***\n "));
1433 }
1434 }
e02bcf61 1435 spin_unlock_bh(&pmlmepriv->lock);
7b464c9f
LF		 1436}
1437
1438void rtw_cpwm_event_callback(struct adapter *padapter, u8 *pbuf)
1439{
7b464c9f 1440 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("+rtw_cpwm_event_callback !!!\n"));
7b464c9f
LF		 1441}
1442
1443/*
1444* _rtw_join_timeout_handler - Timeout/faliure handler for CMD JoinBss
1445* @adapter: pointer to struct adapter structure
1446*/
1447void _rtw_join_timeout_handler (struct adapter *adapter)
1448{
7b464c9f
LF		 1449 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1450 int do_join_r;
1451
7b464c9f
LF		 1452 DBG_88E("%s, fw_state=%x\n", __func__, get_fwstate(pmlmepriv));
1453
1454 if (adapter->bDriverStopped || adapter->bSurpriseRemoved)
1455 return;
1456
1457
7057dcb3 1458 spin_lock_bh(&pmlmepriv->lock);
7b464c9f
LF		 1459
1460 if (pmlmepriv->to_roaming > 0) { /* join timeout caused by roaming */
1461 while (1) {
1462 pmlmepriv->to_roaming--;
1463 if (pmlmepriv->to_roaming != 0) { /* try another , */
1464 DBG_88E("%s try another roaming\n", __func__);
1465 do_join_r = rtw_do_join(adapter);
1466 if (_SUCCESS != do_join_r) {
1467 DBG_88E("%s roaming do_join return %d\n", __func__ , do_join_r);
1468 continue;
1469 }
1470 break;
1471 } else {
1472 DBG_88E("%s We've try roaming but fail\n", __func__);
1473 rtw_indicate_disconnect(adapter);
1474 break;
1475 }
1476 }
1477 } else {
1478 rtw_indicate_disconnect(adapter);
1479 free_scanqueue(pmlmepriv);/* */
1480 }
e02bcf61 1481 spin_unlock_bh(&pmlmepriv->lock);
7b464c9f
LF		 1482}
1483
1484/*
1485* rtw_scan_timeout_handler - Timeout/Faliure handler for CMD SiteSurvey
1486* @adapter: pointer to struct adapter structure
1487*/
1488void rtw_scan_timeout_handler (struct adapter *adapter)
1489{
7b464c9f
LF		 1490 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1491
1492 DBG_88E(FUNC_ADPT_FMT" fw_state=%x\n", FUNC_ADPT_ARG(adapter), get_fwstate(pmlmepriv));
7057dcb3 1493 spin_lock_bh(&pmlmepriv->lock);
7b464c9f 1494 _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY);
e02bcf61 1495 spin_unlock_bh(&pmlmepriv->lock);
7b464c9f
LF		 1496 rtw_indicate_scan_done(adapter, true);
1497}
1498
1499static void rtw_auto_scan_handler(struct adapter *padapter)
1500{
1501 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1502
1503 /* auto site survey per 60sec */
1504 if (pmlmepriv->scan_interval > 0) {
1505 pmlmepriv->scan_interval--;
1506 if (pmlmepriv->scan_interval == 0) {
1507 DBG_88E("%s\n", __func__);
1508 rtw_set_802_11_bssid_list_scan(padapter, NULL, 0);
1509 pmlmepriv->scan_interval = SCAN_INTERVAL;/* 30*2 sec = 60sec */
1510 }
1511 }
1512}
1513
1514void rtw_dynamic_check_timer_handlder(struct adapter *adapter)
1515{
7b464c9f
LF		 1516 struct registry_priv *pregistrypriv = &adapter->registrypriv;
1517
1518 if (!adapter)
1519 return;
1520 if (!adapter->hw_init_completed)
1521 return;
1522 if ((adapter->bDriverStopped) || (adapter->bSurpriseRemoved))
1523 return;
1524 if (adapter->net_closed)
1525 return;
1526 rtw_dynamic_chk_wk_cmd(adapter);
1527
1528 if (pregistrypriv->wifi_spec == 1) {
1529#ifdef CONFIG_88EU_P2P
1530 struct wifidirect_info *pwdinfo = &adapter->wdinfo;
1531 if (rtw_p2p_chk_state(pwdinfo, P2P_STATE_NONE))
1532#endif
1533 {
1534 /* auto site survey */
1535 rtw_auto_scan_handler(adapter);
1536 }
1537 }
7b464c9f
LF		 1538}
1539
1540#define RTW_SCAN_RESULT_EXPIRE 2000
1541
1542/*
1543* Select a new join candidate from the original @param candidate and @param competitor
1544* @return true: candidate is updated
1545* @return false: candidate is not updated
1546*/
1547static int rtw_check_join_candidate(struct mlme_priv *pmlmepriv
1548 , struct wlan_network **candidate, struct wlan_network *competitor)
1549{
1550 int updated = false;
1551 struct adapter *adapter = container_of(pmlmepriv, struct adapter, mlmepriv);
1552
1553
1554 /* check bssid, if needed */
1555 if (pmlmepriv->assoc_by_bssid) {
f42f52aa 1556 if (memcmp(competitor->network.MacAddress, pmlmepriv->assoc_bssid, ETH_ALEN))
7b464c9f
LF		 1557 goto exit;
1558 }
1559
1560 /* check ssid, if needed */
05c9bc1f 1561 if (pmlmepriv->assoc_ssid.SsidLength) {
7b464c9f 1562 if (competitor->network.Ssid.SsidLength != pmlmepriv->assoc_ssid.SsidLength ||
f42f52aa 1563 !memcmp(competitor->network.Ssid.Ssid, pmlmepriv->assoc_ssid.Ssid, pmlmepriv->assoc_ssid.SsidLength) == false)
7b464c9f
LF		 1564 goto exit;
1565 }
1566
1567 if (rtw_is_desired_network(adapter, competitor) == false)
1568 goto exit;
1569
1570 if (pmlmepriv->to_roaming) {
1571 if (rtw_get_passing_time_ms((u32)competitor->last_scanned) >= RTW_SCAN_RESULT_EXPIRE ||
1572 is_same_ess(&competitor->network, &pmlmepriv->cur_network.network) == false)
1573 goto exit;
1574 }
1575
1576 if (*candidate == NULL || (*candidate)->network.Rssi < competitor->network.Rssi) {
1577 *candidate = competitor;
1578 updated = true;
1579 }
1580 if (updated) {
1581 DBG_88E("[by_bssid:%u][assoc_ssid:%s]new candidate: %s(%pM rssi:%d\n",
1582 pmlmepriv->assoc_by_bssid,
1583 pmlmepriv->assoc_ssid.Ssid,
1584 (*candidate)->network.Ssid.Ssid,
1585 (*candidate)->network.MacAddress,
1586 (int)(*candidate)->network.Rssi);
1587 DBG_88E("[to_roaming:%u]\n", pmlmepriv->to_roaming);
1588 }
1589
1590exit:
1591 return updated;
1592}
1593
1594/*
1595Calling context:
1596The caller of the sub-routine will be in critical section...
1597The caller must hold the following spinlock
1598pmlmepriv->lock
1599*/
1600
1601int rtw_select_and_join_from_scanned_queue(struct mlme_priv *pmlmepriv)
1602{
7b464c9f
LF		 1603 int ret;
1604 struct list_head *phead;
1605 struct adapter *adapter;
1606 struct __queue *queue = &(pmlmepriv->scanned_queue);
1607 struct wlan_network *pnetwork = NULL;
1608 struct wlan_network *candidate = NULL;
1609 u8 supp_ant_div = false;
1610
7057dcb3 1611 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
7b464c9f
LF		 1612 phead = get_list_head(queue);
1613 adapter = (struct adapter *)pmlmepriv->nic_hdl;
c44e5e39 1614 pmlmepriv->pscanned = phead->next;
84660700 1615 while (phead != pmlmepriv->pscanned) {
bea88100 1616 pnetwork = container_of(pmlmepriv->pscanned, struct wlan_network, list);
7b464c9f
LF		 1617 if (pnetwork == NULL) {
1618 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("%s return _FAIL:(pnetwork==NULL)\n", __func__));
1619 ret = _FAIL;
1620 goto exit;
1621 }
c44e5e39 1622 pmlmepriv->pscanned = pmlmepriv->pscanned->next;
7b464c9f
LF		 1623 rtw_check_join_candidate(pmlmepriv, &candidate, pnetwork);
1624 }
1625 if (candidate == NULL) {
1626 DBG_88E("%s: return _FAIL(candidate==NULL)\n", __func__);
1627 ret = _FAIL;
1628 goto exit;
1629 } else {
1630 DBG_88E("%s: candidate: %s(%pM ch:%u)\n", __func__,
1631 candidate->network.Ssid.Ssid, candidate->network.MacAddress,
1632 candidate->network.Configuration.DSConfig);
1633 }
1634
1635
1636 /* check for situation of _FW_LINKED */
1637 if (check_fwstate(pmlmepriv, _FW_LINKED) == true) {
1638 DBG_88E("%s: _FW_LINKED while ask_for_joinbss!!!\n", __func__);
1639
1640 rtw_disassoc_cmd(adapter, 0, true);
1641 rtw_indicate_disconnect(adapter);
1642 rtw_free_assoc_resources(adapter, 0);
1643 }
1644
1645 rtw_hal_get_def_var(adapter, HAL_DEF_IS_SUPPORT_ANT_DIV, &(supp_ant_div));
1646 if (supp_ant_div) {
1647 u8 cur_ant;
1648 rtw_hal_get_def_var(adapter, HAL_DEF_CURRENT_ANTENNA, &(cur_ant));
1649 DBG_88E("#### Opt_Ant_(%s), cur_Ant(%s)\n",
1650 (2 == candidate->network.PhyInfo.Optimum_antenna) ? "A" : "B",
1651 (2 == cur_ant) ? "A" : "B"
1652 );
1653 }
1654
1655 ret = rtw_joinbss_cmd(adapter, candidate);
1656
1657exit:
e02bcf61 1658 spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
7b464c9f
LF		 1659 return ret;
1660}
1661
1662int rtw_set_auth(struct adapter *adapter, struct security_priv *psecuritypriv)
1663{
1664 struct cmd_obj *pcmd;
1665 struct setauth_parm *psetauthparm;
1666 struct cmd_priv *pcmdpriv = &(adapter->cmdpriv);
1667 int res = _SUCCESS;
1668
fadbe0cd 1669 pcmd = kzalloc(sizeof(struct cmd_obj), GFP_KERNEL);
7b464c9f
LF		 1670 if (pcmd == NULL) {
1671 res = _FAIL; /* try again */
1672 goto exit;
1673 }
1674
fadbe0cd 1675 psetauthparm = kzalloc(sizeof(struct setauth_parm), GFP_KERNEL);
7b464c9f
LF		 1676 if (psetauthparm == NULL) {
1677 kfree(pcmd);
1678 res = _FAIL;
1679 goto exit;
1680 }
1ce39848 1681 memset(psetauthparm, 0, sizeof(struct setauth_parm));
7b464c9f
LF		 1682 psetauthparm->mode = (unsigned char)psecuritypriv->dot11AuthAlgrthm;
1683 pcmd->cmdcode = _SetAuth_CMD_;
1684 pcmd->parmbuf = (unsigned char *)psetauthparm;
1685 pcmd->cmdsz = (sizeof(struct setauth_parm));
1686 pcmd->rsp = NULL;
1687 pcmd->rspsz = 0;
aa3f5ccb 1688 INIT_LIST_HEAD(&pcmd->list);
7b464c9f
LF		 1689 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
1690 ("after enqueue set_auth_cmd, auth_mode=%x\n",
1691 psecuritypriv->dot11AuthAlgrthm));
1692 res = rtw_enqueue_cmd(pcmdpriv, pcmd);
1693exit:
7b464c9f
LF		 1694 return res;
1695}
1696
1697int rtw_set_key(struct adapter *adapter, struct security_priv *psecuritypriv, int keyid, u8 set_tx)
1698{
1699 u8 keylen;
1700 struct cmd_obj *pcmd;
1701 struct setkey_parm *psetkeyparm;
1702 struct cmd_priv *pcmdpriv = &(adapter->cmdpriv);
1703 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
1704 int res = _SUCCESS;
1705
fadbe0cd 1706 pcmd = kzalloc(sizeof(struct cmd_obj), GFP_KERNEL);
e0c49319
CE		 1707 if (pcmd == NULL)
1708 return _FAIL; /* try again */
1709
fadbe0cd 1710 psetkeyparm = kzalloc(sizeof(struct setkey_parm), GFP_KERNEL);
7b464c9f 1711 if (psetkeyparm == NULL) {
7b464c9f 1712 res = _FAIL;
e0c49319 1713 goto err_free_cmd;
7b464c9f
LF		 1714 }
1715
1ce39848 1716 memset(psetkeyparm, 0, sizeof(struct setkey_parm));
7b464c9f
LF		 1717
1718 if (psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) {
1719 psetkeyparm->algorithm = (unsigned char)psecuritypriv->dot118021XGrpPrivacy;
1720 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
1721 ("\n rtw_set_key: psetkeyparm->algorithm=(unsigned char)psecuritypriv->dot118021XGrpPrivacy=%d\n",
1722 psetkeyparm->algorithm));
1723 } else {
1724 psetkeyparm->algorithm = (u8)psecuritypriv->dot11PrivacyAlgrthm;
1725 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
1726 ("\n rtw_set_key: psetkeyparm->algorithm=(u8)psecuritypriv->dot11PrivacyAlgrthm=%d\n",
1727 psetkeyparm->algorithm));
1728 }
1729 psetkeyparm->keyid = (u8)keyid;/* 0~3 */
1730 psetkeyparm->set_tx = set_tx;
1731 pmlmepriv->key_mask |= BIT(psetkeyparm->keyid);
1732 DBG_88E("==> rtw_set_key algorithm(%x), keyid(%x), key_mask(%x)\n",
1733 psetkeyparm->algorithm, psetkeyparm->keyid, pmlmepriv->key_mask);
1734 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
1735 ("\n rtw_set_key: psetkeyparm->algorithm=%d psetkeyparm->keyid=(u8)keyid=%d\n",
1736 psetkeyparm->algorithm, keyid));
1737
1738 switch (psetkeyparm->algorithm) {
1739 case _WEP40_:
1740 keylen = 5;
1741 memcpy(&(psetkeyparm->key[0]), &(psecuritypriv->dot11DefKey[keyid].skey[0]), keylen);
1742 break;
1743 case _WEP104_:
1744 keylen = 13;
1745 memcpy(&(psetkeyparm->key[0]), &(psecuritypriv->dot11DefKey[keyid].skey[0]), keylen);
1746 break;
1747 case _TKIP_:
1748 keylen = 16;
1749 memcpy(&psetkeyparm->key, &psecuritypriv->dot118021XGrpKey[keyid], keylen);
1750 psetkeyparm->grpkey = 1;
1751 break;
1752 case _AES_:
1753 keylen = 16;
1754 memcpy(&psetkeyparm->key, &psecuritypriv->dot118021XGrpKey[keyid], keylen);
1755 psetkeyparm->grpkey = 1;
1756 break;
1757 default:
1758 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
1759 ("\n rtw_set_key:psecuritypriv->dot11PrivacyAlgrthm=%x (must be 1 or 2 or 4 or 5)\n",
1760 psecuritypriv->dot11PrivacyAlgrthm));
1761 res = _FAIL;
e0c49319 1762 goto err_free_parm;
7b464c9f
LF		 1763 }
1764 pcmd->cmdcode = _SetKey_CMD_;
1765 pcmd->parmbuf = (u8 *)psetkeyparm;
1766 pcmd->cmdsz = (sizeof(struct setkey_parm));
1767 pcmd->rsp = NULL;
1768 pcmd->rspsz = 0;
aa3f5ccb 1769 INIT_LIST_HEAD(&pcmd->list);
7b464c9f 1770 res = rtw_enqueue_cmd(pcmdpriv, pcmd);
e0c49319
CE		 1771 return res;
1772
1773err_free_parm:
1774 kfree(psetkeyparm);
1775err_free_cmd:
1776 kfree(pcmd);
7b464c9f
LF		 1777 return res;
1778}
1779
1780/* adjust IEs for rtw_joinbss_cmd in WMM */
1781int rtw_restruct_wmm_ie(struct adapter *adapter, u8 *in_ie, u8 *out_ie, uint in_len, uint initial_out_len)
1782{
1783 unsigned int ielength = 0;
1784 unsigned int i, j;
1785
1786 i = 12; /* after the fixed IE */
1787 while (i < in_len) {
1788 ielength = initial_out_len;
1789
1790 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) {
1791 /* WMM element ID and OUI */
1792 /* Append WMM IE to the last index of out_ie */
1793
1794 for (j = i; j < i + 9; j++) {
1795 out_ie[ielength] = in_ie[j];
1796 ielength++;
1797 }
1798 out_ie[initial_out_len + 1] = 0x07;
1799 out_ie[initial_out_len + 6] = 0x00;
1800 out_ie[initial_out_len + 8] = 0x00;
1801 break;
1802 }
1803 i += (in_ie[i+1]+2); /* to the next IE element */
1804 }
1805 return ielength;
1806}
1807
9137c9df
EO		 1808/*
1809 * Ported from 8185: IsInPreAuthKeyList().
1810 * (Renamed from SecIsInPreAuthKeyList(), 2006-10-13.)
1811 * Added by Annie, 2006-05-07.
1812 * Search by BSSID,
1813 * Return Value:
1814 * -1 :if there is no pre-auth key in the table
1815 * >= 0 :if there is pre-auth key, and return the entry id
1816 */
7b464c9f
LF		 1817static int SecIsInPMKIDList(struct adapter *Adapter, u8 *bssid)
1818{
1819 struct security_priv *psecuritypriv = &Adapter->securitypriv;
1820 int i = 0;
1821
1822 do {
1823 if ((psecuritypriv->PMKIDList[i].bUsed) &&
05c9bc1f 1824 (!memcmp(psecuritypriv->PMKIDList[i].Bssid, bssid, ETH_ALEN))) {
7b464c9f
LF		 1825 break;
1826 } else {
1827 i++;
1828 /* continue; */
1829 }
1830
1831 } while (i < NUM_PMKID_CACHE);
1832
a318c9e0 1833 if (i == NUM_PMKID_CACHE)
7b464c9f 1834 i = -1;/* Could not find. */
a318c9e0 1835
7b464c9f
LF		 1836 return i;
1837}
1838
1839/* */
1840/* Check the RSN IE length */
1841/* If the RSN IE length <= 20, the RSN IE didn't include the PMKID information */
1842/* 0-11th element in the array are the fixed IE */
1843/* 12th element in the array is the IE */
1844/* 13th element in the array is the IE length */
1845/* */
1846
1847static int rtw_append_pmkid(struct adapter *Adapter, int iEntry, u8 *ie, uint ie_len)
1848{
1849 struct security_priv *psecuritypriv = &Adapter->securitypriv;
1850
1851 if (ie[13] <= 20) {
1852 /* The RSN IE didn't include the PMK ID, append the PMK information */
1853 ie[ie_len] = 1;
1854 ie_len++;
1855 ie[ie_len] = 0; /* PMKID count = 0x0100 */
1856 ie_len++;
1857 memcpy(&ie[ie_len], &psecuritypriv->PMKIDList[iEntry].PMKID, 16);
1858
1859 ie_len += 16;
1860 ie[13] += 18;/* PMKID length = 2+16 */
1861 }
1862 return ie_len;
1863}
1864
1865int rtw_restruct_sec_ie(struct adapter *adapter, u8 *in_ie, u8 *out_ie, uint in_len)
1866{
1867 u8 authmode;
1868 uint ielength;
1869 int iEntry;
1870
1871 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1872 struct security_priv *psecuritypriv = &adapter->securitypriv;
1873 uint ndisauthmode = psecuritypriv->ndisauthtype;
1874 uint ndissecuritytype = psecuritypriv->ndisencryptstatus;
1875
7b464c9f
LF		 1876 RT_TRACE(_module_rtl871x_mlme_c_, _drv_notice_,
1877 ("+rtw_restruct_sec_ie: ndisauthmode=%d ndissecuritytype=%d\n",
1878 ndisauthmode, ndissecuritytype));
1879
1880 /* copy fixed ie only */
1881 memcpy(out_ie, in_ie, 12);
1882 ielength = 12;
1883 if ((ndisauthmode == Ndis802_11AuthModeWPA) ||
1884 (ndisauthmode == Ndis802_11AuthModeWPAPSK))
1885 authmode = _WPA_IE_ID_;
1886 if ((ndisauthmode == Ndis802_11AuthModeWPA2) ||
1887 (ndisauthmode == Ndis802_11AuthModeWPA2PSK))
1888 authmode = _WPA2_IE_ID_;
1889
1890 if (check_fwstate(pmlmepriv, WIFI_UNDER_WPS)) {
1891 memcpy(out_ie+ielength, psecuritypriv->wps_ie, psecuritypriv->wps_ie_len);
1892
1893 ielength += psecuritypriv->wps_ie_len;
1894 } else if ((authmode == _WPA_IE_ID_) || (authmode == _WPA2_IE_ID_)) {
1895 /* copy RSN or SSN */
1896 memcpy(&out_ie[ielength], &psecuritypriv->supplicant_ie[0], psecuritypriv->supplicant_ie[1]+2);
1897 ielength += psecuritypriv->supplicant_ie[1]+2;
1898 rtw_report_sec_ie(adapter, authmode, psecuritypriv->supplicant_ie);
1899 }
1900
1901 iEntry = SecIsInPMKIDList(adapter, pmlmepriv->assoc_bssid);
1902 if (iEntry < 0) {
1903 return ielength;
1904 } else {
1905 if (authmode == _WPA2_IE_ID_)
1906 ielength = rtw_append_pmkid(adapter, iEntry, out_ie, ielength);
1907 }
7b464c9f
LF		 1908 return ielength;
1909}
1910
1911void rtw_init_registrypriv_dev_network(struct adapter *adapter)
1912{
1913 struct registry_priv *pregistrypriv = &adapter->registrypriv;
1914 struct eeprom_priv *peepriv = &adapter->eeprompriv;
1915 struct wlan_bssid_ex *pdev_network = &pregistrypriv->dev_network;
1916 u8 *myhwaddr = myid(peepriv);
1917
7b464c9f
LF		 1918 memcpy(pdev_network->MacAddress, myhwaddr, ETH_ALEN);
1919
1920 memcpy(&pdev_network->Ssid, &pregistrypriv->ssid, sizeof(struct ndis_802_11_ssid));
1921
1922 pdev_network->Configuration.Length = sizeof(struct ndis_802_11_config);
1923 pdev_network->Configuration.BeaconPeriod = 100;
1924 pdev_network->Configuration.FHConfig.Length = 0;
1925 pdev_network->Configuration.FHConfig.HopPattern = 0;
1926 pdev_network->Configuration.FHConfig.HopSet = 0;
1927 pdev_network->Configuration.FHConfig.DwellTime = 0;
7b464c9f
LF		 1928}
1929
1930void rtw_update_registrypriv_dev_network(struct adapter *adapter)
1931{
1932 int sz = 0;
1933 struct registry_priv *pregistrypriv = &adapter->registrypriv;
1934 struct wlan_bssid_ex *pdev_network = &pregistrypriv->dev_network;
1935 struct security_priv *psecuritypriv = &adapter->securitypriv;
1936 struct wlan_network *cur_network = &adapter->mlmepriv.cur_network;
1937
7b464c9f
LF		 1938 pdev_network->Privacy = (psecuritypriv->dot11PrivacyAlgrthm > 0 ? 1 : 0); /* adhoc no 802.1x */
1939
1940 pdev_network->Rssi = 0;
1941
1942 switch (pregistrypriv->wireless_mode) {
1943 case WIRELESS_11B:
1944 pdev_network->NetworkTypeInUse = (Ndis802_11DS);
1945 break;
1946 case WIRELESS_11G:
1947 case WIRELESS_11BG:
1948 case WIRELESS_11_24N:
1949 case WIRELESS_11G_24N:
1950 case WIRELESS_11BG_24N:
1951 pdev_network->NetworkTypeInUse = (Ndis802_11OFDM24);
1952 break;
1953 case WIRELESS_11A:
1954 case WIRELESS_11A_5N:
1955 pdev_network->NetworkTypeInUse = (Ndis802_11OFDM5);
1956 break;
1957 case WIRELESS_11ABGN:
1958 if (pregistrypriv->channel > 14)
1959 pdev_network->NetworkTypeInUse = (Ndis802_11OFDM5);
1960 else
1961 pdev_network->NetworkTypeInUse = (Ndis802_11OFDM24);
1962 break;
1963 default:
1964 /* TODO */
1965 break;
1966 }
1967
1968 pdev_network->Configuration.DSConfig = (pregistrypriv->channel);
1969 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
1970 ("pregistrypriv->channel=%d, pdev_network->Configuration.DSConfig=0x%x\n",
1971 pregistrypriv->channel, pdev_network->Configuration.DSConfig));
1972
1973 if (cur_network->network.InfrastructureMode == Ndis802_11IBSS)
1974 pdev_network->Configuration.ATIMWindow = (0);
1975
1976 pdev_network->InfrastructureMode = (cur_network->network.InfrastructureMode);
1977
1978 /* 1. Supported rates */
1979 /* 2. IE */
1980
1981 sz = rtw_generate_ie(pregistrypriv);
1982 pdev_network->IELength = sz;
1983 pdev_network->Length = get_wlan_bssid_ex_sz((struct wlan_bssid_ex *)pdev_network);
1984
1985 /* notes: translate IELength & Length after assign the Length to cmdsz in createbss_cmd(); */
1986 /* pdev_network->IELength = cpu_to_le32(sz); */
7b464c9f
LF		 1987}
1988
1989void rtw_get_encrypt_decrypt_from_registrypriv(struct adapter *adapter)
1990{
7b464c9f
LF		 1991}
1992
08c64f93 1993/* the function is at passive_level */
7b464c9f
LF		 1994void rtw_joinbss_reset(struct adapter *padapter)
1995{
1996 u8 threshold;
1997 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1998 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
1999
2000 /* todo: if you want to do something io/reg/hw setting before join_bss, please add code here */
2001 pmlmepriv->num_FortyMHzIntolerant = 0;
2002
2003 pmlmepriv->num_sta_no_ht = 0;
2004
2005 phtpriv->ampdu_enable = false;/* reset to disabled */
2006
2007 /* TH = 1 => means that invalidate usb rx aggregation */
2008 /* TH = 0 => means that validate usb rx aggregation, use init value. */
2009 if (phtpriv->ht_option) {
2010 if (padapter->registrypriv.wifi_spec == 1)
2011 threshold = 1;
2012 else
2013 threshold = 0;
2014 rtw_hal_set_hwreg(padapter, HW_VAR_RXDMA_AGG_PG_TH, (u8 *)(&threshold));
2015 } else {
2016 threshold = 1;
2017 rtw_hal_set_hwreg(padapter, HW_VAR_RXDMA_AGG_PG_TH, (u8 *)(&threshold));
2018 }
2019}
2020
08c64f93 2021/* the function is >= passive_level */
7b464c9f
LF		 2022unsigned int rtw_restructure_ht_ie(struct adapter *padapter, u8 *in_ie, u8 *out_ie, uint in_len, uint *pout_len)
2023{
2024 u32 ielen, out_len;
2025 enum ht_cap_ampdu_factor max_rx_ampdu_factor;
2026 unsigned char *p;
2027 struct rtw_ieee80211_ht_cap ht_capie;
2028 unsigned char WMM_IE[] = {0x00, 0x50, 0xf2, 0x02, 0x00, 0x01, 0x00};
2029 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
2030 struct qos_priv *pqospriv = &pmlmepriv->qospriv;
2031 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
2032 u32 rx_packet_offset, max_recvbuf_sz;
2033
2034
2035 phtpriv->ht_option = false;
2036
2037 p = rtw_get_ie(in_ie+12, _HT_CAPABILITY_IE_, &ielen, in_len-12);
2038
2039 if (p && ielen > 0) {
2040 if (pqospriv->qos_option == 0) {
2041 out_len = *pout_len;
2042 rtw_set_ie(out_ie+out_len, _VENDOR_SPECIFIC_IE_,
2043 _WMM_IE_Length_, WMM_IE, pout_len);
2044
2045 pqospriv->qos_option = 1;
2046 }
2047
2048 out_len = *pout_len;
2049
1ce39848 2050 memset(&ht_capie, 0, sizeof(struct rtw_ieee80211_ht_cap));
7b464c9f
LF		 2051
2052 ht_capie.cap_info = IEEE80211_HT_CAP_SUP_WIDTH |
2053 IEEE80211_HT_CAP_SGI_20 |
2054 IEEE80211_HT_CAP_SGI_40 |
2055 IEEE80211_HT_CAP_TX_STBC |
2056 IEEE80211_HT_CAP_DSSSCCK40;
2057
2058 rtw_hal_get_def_var(padapter, HAL_DEF_RX_PACKET_OFFSET, &rx_packet_offset);
2059 rtw_hal_get_def_var(padapter, HAL_DEF_MAX_RECVBUF_SZ, &max_recvbuf_sz);
2060
2061 /*
2062 AMPDU_para [1:0]:Max AMPDU Len => 0:8k , 1:16k, 2:32k, 3:64k
2063 AMPDU_para [4:2]:Min MPDU Start Spacing
2064 */
2065
2066 rtw_hal_get_def_var(padapter, HW_VAR_MAX_RX_AMPDU_FACTOR, &max_rx_ampdu_factor);
2067 ht_capie.ampdu_params_info = (max_rx_ampdu_factor&0x03);
2068
2069 if (padapter->securitypriv.dot11PrivacyAlgrthm == _AES_)
2070 ht_capie.ampdu_params_info |= (IEEE80211_HT_CAP_AMPDU_DENSITY&(0x07<<2));
2071 else
2072 ht_capie.ampdu_params_info |= (IEEE80211_HT_CAP_AMPDU_DENSITY&0x00);
2073
2074
2075 rtw_set_ie(out_ie+out_len, _HT_CAPABILITY_IE_,
2076 sizeof(struct rtw_ieee80211_ht_cap), (unsigned char *)&ht_capie, pout_len);
2077
2078 phtpriv->ht_option = true;
2079
2080 p = rtw_get_ie(in_ie+12, _HT_ADD_INFO_IE_, &ielen, in_len-12);
2081 if (p && (ielen == sizeof(struct ieee80211_ht_addt_info))) {
2082 out_len = *pout_len;
2083 rtw_set_ie(out_ie+out_len, _HT_ADD_INFO_IE_, ielen, p+2 , pout_len);
2084 }
2085 }
2086 return phtpriv->ht_option;
2087}
2088
08c64f93 2089/* the function is > passive_level (in critical_section) */
7b464c9f
LF		 2090void rtw_update_ht_cap(struct adapter *padapter, u8 *pie, uint ie_len)
2091{
2092 u8 *p, max_ampdu_sz;
2093 int len;
2094 struct rtw_ieee80211_ht_cap *pht_capie;
2095 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
2096 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
2097 struct registry_priv *pregistrypriv = &padapter->registrypriv;
2098 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
2099 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
2100
2101 if (!phtpriv->ht_option)
2102 return;
2103
2104 if ((!pmlmeinfo->HT_info_enable) || (!pmlmeinfo->HT_caps_enable))
2105 return;
2106
2107 DBG_88E("+rtw_update_ht_cap()\n");
2108
2109 /* maybe needs check if ap supports rx ampdu. */
2110 if ((!phtpriv->ampdu_enable) && (pregistrypriv->ampdu_enable == 1)) {
2111 if (pregistrypriv->wifi_spec == 1)
2112 phtpriv->ampdu_enable = false;
2113 else
2114 phtpriv->ampdu_enable = true;
2115 } else if (pregistrypriv->ampdu_enable == 2) {
2116 phtpriv->ampdu_enable = true;
2117 }
2118
2119
2120 /* check Max Rx A-MPDU Size */
2121 len = 0;
2122 p = rtw_get_ie(pie+sizeof(struct ndis_802_11_fixed_ie), _HT_CAPABILITY_IE_, &len, ie_len-sizeof(struct ndis_802_11_fixed_ie));
2123 if (p && len > 0) {
2124 pht_capie = (struct rtw_ieee80211_ht_cap *)(p+2);
2125 max_ampdu_sz = (pht_capie->ampdu_params_info & IEEE80211_HT_CAP_AMPDU_FACTOR);
2126 max_ampdu_sz = 1 << (max_ampdu_sz+3); /* max_ampdu_sz (kbytes); */
2127 phtpriv->rx_ampdu_maxlen = max_ampdu_sz;
2128 }
2129 len = 0;
2130 p = rtw_get_ie(pie+sizeof(struct ndis_802_11_fixed_ie), _HT_ADD_INFO_IE_, &len, ie_len-sizeof(struct ndis_802_11_fixed_ie));
2131
2132 /* update cur_bwmode & cur_ch_offset */
2133 if ((pregistrypriv->cbw40_enable) &&
2134 (le16_to_cpu(pmlmeinfo->HT_caps.u.HT_cap_element.HT_caps_info) & BIT(1)) &&
2135 (pmlmeinfo->HT_info.infos[0] & BIT(2))) {
2136 int i;
2137 u8 rf_type;
2138
2139 padapter->HalFunc.GetHwRegHandler(padapter, HW_VAR_RF_TYPE, (u8 *)(&rf_type));
2140
2141 /* update the MCS rates */
2142 for (i = 0; i < 16; i++) {
2143 if ((rf_type == RF_1T1R) || (rf_type == RF_1T2R))
2144 pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate[i] &= MCS_rate_1R[i];
2145 else
2146 pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate[i] &= MCS_rate_2R[i];
2147 }
08c64f93 2148 /* switch to the 40M Hz mode according to the AP */
7b464c9f
LF		 2149 pmlmeext->cur_bwmode = HT_CHANNEL_WIDTH_40;
2150 switch ((pmlmeinfo->HT_info.infos[0] & 0x3)) {
2151 case HT_EXTCHNL_OFFSET_UPPER:
2152 pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER;
2153 break;
2154 case HT_EXTCHNL_OFFSET_LOWER:
2155 pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_UPPER;
2156 break;
2157 default:
2158 pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
2159 break;
2160 }
2161 }
2162
2163 /* Config SM Power Save setting */
2164 pmlmeinfo->SM_PS = (le16_to_cpu(pmlmeinfo->HT_caps.u.HT_cap_element.HT_caps_info) & 0x0C) >> 2;
2165 if (pmlmeinfo->SM_PS == WLAN_HT_CAP_SM_PS_STATIC)
2166 DBG_88E("%s(): WLAN_HT_CAP_SM_PS_STATIC\n", __func__);
2167
2168 /* Config current HT Protection mode. */
2169 pmlmeinfo->HT_protection = pmlmeinfo->HT_info.infos[1] & 0x3;
2170}
2171
2172void rtw_issue_addbareq_cmd(struct adapter *padapter, struct xmit_frame *pxmitframe)
2173{
2174 u8 issued;
2175 int priority;
2176 struct sta_info *psta = NULL;
2177 struct ht_priv *phtpriv;
2178 struct pkt_attrib *pattrib = &pxmitframe->attrib;
2179 s32 bmcst = IS_MCAST(pattrib->ra);
2180
2181 if (bmcst || (padapter->mlmepriv.LinkDetectInfo.NumTxOkInPeriod < 100))
2182 return;
2183
2184 priority = pattrib->priority;
2185
2186 if (pattrib->psta)
2187 psta = pattrib->psta;
2188 else
2189 psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra);
2190
2191 if (psta == NULL)
2192 return;
2193
2194 phtpriv = &psta->htpriv;
2195
2196 if ((phtpriv->ht_option) && (phtpriv->ampdu_enable)) {
2197 issued = (phtpriv->agg_enable_bitmap>>priority)&0x1;
2198 issued |= (phtpriv->candidate_tid_bitmap>>priority)&0x1;
2199
2200 if (0 == issued) {
2201 DBG_88E("rtw_issue_addbareq_cmd, p=%d\n", priority);
2202 psta->htpriv.candidate_tid_bitmap |= BIT((u8)priority);
2203 rtw_addbareq_cmd(padapter, (u8) priority, pattrib->ra);
2204 }
2205 }
2206}
2207
2208void rtw_roaming(struct adapter *padapter, struct wlan_network *tgt_network)
2209{
7b464c9f
LF		 2210 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
2211
7057dcb3 2212 spin_lock_bh(&pmlmepriv->lock);
7b464c9f 2213 _rtw_roaming(padapter, tgt_network);
e02bcf61 2214 spin_unlock_bh(&pmlmepriv->lock);
7b464c9f
LF		 2215}
2216void _rtw_roaming(struct adapter *padapter, struct wlan_network *tgt_network)
2217{
2218 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
2219 int do_join_r;
2220
2221 struct wlan_network *pnetwork;
2222
2223 if (tgt_network != NULL)
2224 pnetwork = tgt_network;
2225 else
2226 pnetwork = &pmlmepriv->cur_network;
2227
2228 if (0 < pmlmepriv->to_roaming) {
2229 DBG_88E("roaming from %s(%pM length:%d\n",
2230 pnetwork->network.Ssid.Ssid, pnetwork->network.MacAddress,
2231 pnetwork->network.Ssid.SsidLength);
2232 memcpy(&pmlmepriv->assoc_ssid, &pnetwork->network.Ssid, sizeof(struct ndis_802_11_ssid));
2233
2234 pmlmepriv->assoc_by_bssid = false;
2235
2236 while (1) {
2237 do_join_r = rtw_do_join(padapter);
2238 if (_SUCCESS == do_join_r) {
2239 break;
2240 } else {
2241 DBG_88E("roaming do_join return %d\n", do_join_r);
2242 pmlmepriv->to_roaming--;
2243
2244 if (0 < pmlmepriv->to_roaming) {
2245 continue;
2246 } else {
2247 DBG_88E("%s(%d) -to roaming fail, indicate_disconnect\n", __func__, __LINE__);
2248 rtw_indicate_disconnect(padapter);
2249 break;
2250 }
2251 }
2252 }
2253 }
2254}
Linux kernel - Deliverables
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