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Merge tag 'iio-for-4.13b' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23...
[mirror_ubuntu-artful-kernel.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 *
7b464c9f
LF		 14 ******************************************************************************/
15#define _RTW_MLME_C_
16
027d3efd 17#include <linux/ieee80211.h>
7b464c9f
LF		 18
19#include <osdep_service.h>
20#include <drv_types.h>
21#include <recv_osdep.h>
22#include <xmit_osdep.h>
23#include <hal_intf.h>
24#include <mlme_osdep.h>
25#include <sta_info.h>
26#include <wifi.h>
27#include <wlan_bssdef.h>
28#include <rtw_ioctl_set.h>
d249db9e 29#include <linux/vmalloc.h>
7b464c9f 30
7b464c9f
LF		 31extern unsigned char MCS_rate_1R[16];
32
01e11629 33int rtw_init_mlme_priv(struct adapter *padapter)
7b464c9f
LF		 34{
35 int i;
36 u8 *pbuf;
37 struct wlan_network *pnetwork;
38 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
39 int res = _SUCCESS;
40
2397c6e0 41 /* We don't need to memset padapter->XXX to zero, because adapter is allocated by vzalloc(). */
7b464c9f
LF		 42
43 pmlmepriv->nic_hdl = (u8 *)padapter;
44
45 pmlmepriv->pscanned = NULL;
46 pmlmepriv->fw_state = 0;
47 pmlmepriv->cur_network.network.InfrastructureMode = Ndis802_11AutoUnknown;
48 pmlmepriv->scan_mode = SCAN_ACTIVE;/* 1: active, 0: pasive. Maybe someday we should rename this varable to "active_mode" (Jeff) */
49
f214e521 50 spin_lock_init(&(pmlmepriv->lock));
7b464c9f
LF		 51 _rtw_init_queue(&(pmlmepriv->free_bss_pool));
52 _rtw_init_queue(&(pmlmepriv->scanned_queue));
53
1ce39848 54 memset(&pmlmepriv->assoc_ssid, 0, sizeof(struct ndis_802_11_ssid));
7b464c9f 55
2397c6e0 56 pbuf = vzalloc(MAX_BSS_CNT * (sizeof(struct wlan_network)));
7b464c9f 57
e31447f9 58 if (!pbuf) {
7b464c9f
LF		 59 res = _FAIL;
60 goto exit;
61 }
62 pmlmepriv->free_bss_buf = pbuf;
63
64 pnetwork = (struct wlan_network *)pbuf;
65
66 for (i = 0; i < MAX_BSS_CNT; i++) {
aa3f5ccb 67 INIT_LIST_HEAD(&(pnetwork->list));
7b464c9f 68
ae6787ad 69 list_add_tail(&(pnetwork->list), &(pmlmepriv->free_bss_pool.queue));
7b464c9f
LF		 70
71 pnetwork++;
72 }
73
74 /* allocate DMA-able/Non-Page memory for cmd_buf and rsp_buf */
75
76 rtw_clear_scan_deny(padapter);
77
78 rtw_init_mlme_timer(padapter);
79
80exit:
7b464c9f
LF		 81 return res;
82}
83
b4ed18b1 84#if defined(CONFIG_88EU_AP_MODE)
7b464c9f
LF		 85static void rtw_free_mlme_ie_data(u8 **ppie, u32 *plen)
86{
87 kfree(*ppie);
88 *plen = 0;
89 *ppie = NULL;
90}
91
92void rtw_free_mlme_priv_ie_data(struct mlme_priv *pmlmepriv)
93{
94 rtw_buf_free(&pmlmepriv->assoc_req, &pmlmepriv->assoc_req_len);
95 rtw_buf_free(&pmlmepriv->assoc_rsp, &pmlmepriv->assoc_rsp_len);
96 rtw_free_mlme_ie_data(&pmlmepriv->wps_beacon_ie, &pmlmepriv->wps_beacon_ie_len);
97 rtw_free_mlme_ie_data(&pmlmepriv->wps_probe_req_ie, &pmlmepriv->wps_probe_req_ie_len);
98 rtw_free_mlme_ie_data(&pmlmepriv->wps_probe_resp_ie, &pmlmepriv->wps_probe_resp_ie_len);
99 rtw_free_mlme_ie_data(&pmlmepriv->wps_assoc_resp_ie, &pmlmepriv->wps_assoc_resp_ie_len);
7b464c9f
LF		 100}
101#else
102void rtw_free_mlme_priv_ie_data(struct mlme_priv *pmlmepriv)
103{
104}
105#endif
106
3596d6d6 107void rtw_free_mlme_priv(struct mlme_priv *pmlmepriv)
7b464c9f 108{
7b464c9f
LF		 109 rtw_free_mlme_priv_ie_data(pmlmepriv);
110
64e6619f
BG		 111 if (pmlmepriv)
112 vfree(pmlmepriv->free_bss_buf);
7b464c9f
LF		 113}
114
b9f1c275
GT		 115struct wlan_network *_rtw_alloc_network(struct mlme_priv *pmlmepriv)
116 /* _queue *free_queue) */
7b464c9f 117{
b9f1c275 118 struct wlan_network *pnetwork;
7b464c9f 119 struct __queue *free_queue = &pmlmepriv->free_bss_pool;
7b464c9f 120
7057dcb3 121 spin_lock_bh(&free_queue->lock);
b9f1c275
GT		 122 pnetwork = list_first_entry_or_null(&free_queue->queue,
123 struct wlan_network, list);
124 if (!pnetwork)
7b464c9f 125 goto exit;
7b464c9f 126
8d5bdece 127 list_del_init(&pnetwork->list);
7b464c9f 128
b9f1c275
GT		 129 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
130 ("_rtw_alloc_network: ptr=%p\n", &pnetwork->list));
7b464c9f
LF		 131 pnetwork->network_type = 0;
132 pnetwork->fixed = false;
c01fb496 133 pnetwork->last_scanned = jiffies;
7b464c9f
LF		 134 pnetwork->aid = 0;
135 pnetwork->join_res = 0;
136
7b464c9f 137exit:
e02bcf61 138 spin_unlock_bh(&free_queue->lock);
7b464c9f 139
7b464c9f
LF		 140 return pnetwork;
141}
142
e1d0bced 143static void _rtw_free_network(struct mlme_priv *pmlmepriv, struct wlan_network *pnetwork, u8 isfreeall)
7b464c9f 144{
ed737494
RO		 145 unsigned long curr_time;
146 u32 delta_time;
7b464c9f 147 u32 lifetime = SCANQUEUE_LIFETIME;
7b464c9f
LF		 148 struct __queue *free_queue = &(pmlmepriv->free_bss_pool);
149
e31447f9 150 if (!pnetwork)
f578b5d3 151 return;
7b464c9f
LF		 152
153 if (pnetwork->fixed)
f578b5d3 154 return;
c01fb496 155 curr_time = jiffies;
7b464c9f
LF		 156 if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) ||
157 (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)))
158 lifetime = 1;
159 if (!isfreeall) {
160 delta_time = (curr_time - pnetwork->last_scanned)/HZ;
161 if (delta_time < lifetime)/* unit:sec */
f578b5d3 162 return;
7b464c9f 163 }
7057dcb3 164 spin_lock_bh(&free_queue->lock);
8d5bdece 165 list_del_init(&(pnetwork->list));
ae6787ad 166 list_add_tail(&(pnetwork->list), &(free_queue->queue));
e02bcf61 167 spin_unlock_bh(&free_queue->lock);
7b464c9f
LF		 168}
169
170void _rtw_free_network_nolock(struct mlme_priv *pmlmepriv, struct wlan_network *pnetwork)
171{
172 struct __queue *free_queue = &(pmlmepriv->free_bss_pool);
173
e31447f9 174 if (!pnetwork)
f578b5d3 175 return;
7b464c9f 176 if (pnetwork->fixed)
f578b5d3 177 return;
8d5bdece 178 list_del_init(&(pnetwork->list));
ae6787ad 179 list_add_tail(&(pnetwork->list), get_list_head(free_queue));
7b464c9f
LF		 180}
181
182/*
de109778
GS		 183 * return the wlan_network with the matching addr
184 *
185 * Shall be called under atomic context... to avoid possible racing condition...
186 */
8eca2e5f 187struct wlan_network *rtw_find_network(struct __queue *scanned_queue, u8 *addr)
7b464c9f
LF		 188{
189 struct list_head *phead, *plist;
190 struct wlan_network *pnetwork = NULL;
191 u8 zero_addr[ETH_ALEN] = {0, 0, 0, 0, 0, 0};
192
f42f52aa 193 if (!memcmp(zero_addr, addr, ETH_ALEN)) {
7b464c9f
LF		 194 pnetwork = NULL;
195 goto exit;
196 }
197 phead = get_list_head(scanned_queue);
c44e5e39 198 plist = phead->next;
7b464c9f
LF		 199
200 while (plist != phead) {
e703f237 201 pnetwork = container_of(plist, struct wlan_network, list);
05c9bc1f 202 if (!memcmp(addr, pnetwork->network.MacAddress, ETH_ALEN))
7b464c9f 203 break;
c44e5e39 204 plist = plist->next;
7b464c9f
LF		 205 }
206 if (plist == phead)
207 pnetwork = NULL;
208exit:
7b464c9f
LF		 209 return pnetwork;
210}
211
212
07e49db0 213void rtw_free_network_queue(struct adapter *padapter, u8 isfreeall)
7b464c9f 214{
7b464c9f
LF		 215 struct list_head *phead, *plist;
216 struct wlan_network *pnetwork;
217 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
218 struct __queue *scanned_queue = &pmlmepriv->scanned_queue;
219
7057dcb3 220 spin_lock_bh(&scanned_queue->lock);
7b464c9f
LF		 221
222 phead = get_list_head(scanned_queue);
c44e5e39 223 plist = phead->next;
7b464c9f 224
84660700 225 while (phead != plist) {
bea88100 226 pnetwork = container_of(plist, struct wlan_network, list);
7b464c9f 227
c44e5e39 228 plist = plist->next;
7b464c9f
LF		 229
230 _rtw_free_network(pmlmepriv, pnetwork, isfreeall);
231 }
e02bcf61 232 spin_unlock_bh(&scanned_queue->lock);
7b464c9f
LF		 233}
234
235int rtw_if_up(struct adapter *padapter)
236{
237 int res;
7b464c9f
LF		 238
239 if (padapter->bDriverStopped || padapter->bSurpriseRemoved ||
240 (check_fwstate(&padapter->mlmepriv, _FW_LINKED) == false)) {
241 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
242 ("rtw_if_up:bDriverStopped(%d) OR bSurpriseRemoved(%d)",
243 padapter->bDriverStopped, padapter->bSurpriseRemoved));
244 res = false;
245 } else {
246 res = true;
247 }
7b464c9f
LF		 248 return res;
249}
250
251void rtw_generate_random_ibss(u8 *pibss)
252{
ed737494 253 unsigned long curtime = jiffies;
7b464c9f 254
7b464c9f
LF		 255 pibss[0] = 0x02; /* in ad-hoc mode bit1 must set to 1 */
256 pibss[1] = 0x11;
257 pibss[2] = 0x87;
258 pibss[3] = (u8)(curtime & 0xff);/* p[0]; */
259 pibss[4] = (u8)((curtime>>8) & 0xff);/* p[1]; */
260 pibss[5] = (u8)((curtime>>16) & 0xff);/* p[2]; */
7b464c9f
LF		 261}
262
263u8 *rtw_get_capability_from_ie(u8 *ie)
264{
265 return ie + 8 + 2;
266}
267
268
269u16 rtw_get_capability(struct wlan_bssid_ex *bss)
270{
271 __le16 val;
7b464c9f
LF		 272
273 memcpy((u8 *)&val, rtw_get_capability_from_ie(bss->IEs), 2);
274
7b464c9f
LF		 275 return le16_to_cpu(val);
276}
277
7b464c9f
LF		 278u8 *rtw_get_beacon_interval_from_ie(u8 *ie)
279{
280 return ie + 8;
281}
282
7b464c9f
LF		 283static struct wlan_network *rtw_alloc_network(struct mlme_priv *pmlmepriv)
284{
f578b5d3 285 return _rtw_alloc_network(pmlmepriv);
7b464c9f
LF		 286}
287
288static void rtw_free_network_nolock(struct mlme_priv *pmlmepriv,
289 struct wlan_network *pnetwork)
290{
7b464c9f 291 _rtw_free_network_nolock(pmlmepriv, pnetwork);
7b464c9f
LF		 292}
293
7b464c9f
LF		 294int rtw_is_same_ibss(struct adapter *adapter, struct wlan_network *pnetwork)
295{
296 int ret = true;
297 struct security_priv *psecuritypriv = &adapter->securitypriv;
298
299 if ((psecuritypriv->dot11PrivacyAlgrthm != _NO_PRIVACY_) &&
300 (pnetwork->network.Privacy == 0))
301 ret = false;
302 else if ((psecuritypriv->dot11PrivacyAlgrthm == _NO_PRIVACY_) &&
303 (pnetwork->network.Privacy == 1))
304 ret = false;
305 else
306 ret = true;
307 return ret;
308}
309
310static int is_same_ess(struct wlan_bssid_ex *a, struct wlan_bssid_ex *b)
311{
312 return (a->Ssid.SsidLength == b->Ssid.SsidLength) &&
f42f52aa 313 !memcmp(a->Ssid.Ssid, b->Ssid.Ssid, a->Ssid.SsidLength);
7b464c9f
LF		 314}
315
316int is_same_network(struct wlan_bssid_ex *src, struct wlan_bssid_ex *dst)
317{
318 u16 s_cap, d_cap;
319 __le16 le_scap, le_dcap;
320
7b464c9f
LF		 321 memcpy((u8 *)&le_scap, rtw_get_capability_from_ie(src->IEs), 2);
322 memcpy((u8 *)&le_dcap, rtw_get_capability_from_ie(dst->IEs), 2);
323
7b464c9f
LF		 324 s_cap = le16_to_cpu(le_scap);
325 d_cap = le16_to_cpu(le_dcap);
326
7b464c9f 327 return ((src->Ssid.SsidLength == dst->Ssid.SsidLength) &&
f42f52aa
LF		 328 ((!memcmp(src->MacAddress, dst->MacAddress, ETH_ALEN)) == true) &&
329 ((!memcmp(src->Ssid.Ssid, dst->Ssid.Ssid, src->Ssid.SsidLength)) == true) &&
7b464c9f
LF		 330 ((s_cap & WLAN_CAPABILITY_IBSS) ==
331 (d_cap & WLAN_CAPABILITY_IBSS)) &&
027d3efd
JS		 332 ((s_cap & WLAN_CAPABILITY_ESS) ==
333 (d_cap & WLAN_CAPABILITY_ESS)));
7b464c9f
LF		 334}
335
336struct wlan_network *rtw_get_oldest_wlan_network(struct __queue *scanned_queue)
337{
338 struct list_head *plist, *phead;
339 struct wlan_network *pwlan = NULL;
340 struct wlan_network *oldest = NULL;
341
7b464c9f
LF		 342 phead = get_list_head(scanned_queue);
343
72fb6c5a 344 for (plist = phead->next; plist != phead; plist = plist->next) {
bea88100 345 pwlan = container_of(plist, struct wlan_network, list);
7b464c9f
LF		 346
347 if (!pwlan->fixed) {
e31447f9 348 if (!oldest || time_after(oldest->last_scanned, pwlan->last_scanned))
7b464c9f
LF		 349 oldest = pwlan;
350 }
7b464c9f 351 }
7b464c9f
LF		 352 return oldest;
353}
354
355void update_network(struct wlan_bssid_ex *dst, struct wlan_bssid_ex *src,
356 struct adapter *padapter, bool update_ie)
357{
358 long rssi_ori = dst->Rssi;
359 u8 sq_smp = src->PhyInfo.SignalQuality;
360 u8 ss_final;
361 u8 sq_final;
362 long rssi_final;
363
7b464c9f
LF		 364 rtw_hal_antdiv_rssi_compared(padapter, dst, src); /* this will update src.Rssi, need consider again */
365
366 /* The rule below is 1/5 for sample value, 4/5 for history value */
367 if (check_fwstate(&padapter->mlmepriv, _FW_LINKED) && is_same_network(&(padapter->mlmepriv.cur_network.network), src)) {
368 /* Take the recvpriv's value for the connected AP*/
369 ss_final = padapter->recvpriv.signal_strength;
370 sq_final = padapter->recvpriv.signal_qual;
371 /* the rssi value here is undecorated, and will be used for antenna diversity */
372 if (sq_smp != 101) /* from the right channel */
81a6a4f0 373 rssi_final = (src->Rssi + dst->Rssi * 4) / 5;
7b464c9f
LF		 374 else
375 rssi_final = rssi_ori;
376 } else {
377 if (sq_smp != 101) { /* from the right channel */
378 ss_final = ((u32)(src->PhyInfo.SignalStrength)+(u32)(dst->PhyInfo.SignalStrength)*4)/5;
379 sq_final = ((u32)(src->PhyInfo.SignalQuality)+(u32)(dst->PhyInfo.SignalQuality)*4)/5;
380 rssi_final = (src->Rssi+dst->Rssi*4)/5;
381 } else {
08c64f93 382 /* bss info not receiving from the right channel, use the original RX signal infos */
7b464c9f
LF		 383 ss_final = dst->PhyInfo.SignalStrength;
384 sq_final = dst->PhyInfo.SignalQuality;
385 rssi_final = dst->Rssi;
386 }
387 }
388 if (update_ie)
389 memcpy((u8 *)dst, (u8 *)src, get_wlan_bssid_ex_sz(src));
390 dst->PhyInfo.SignalStrength = ss_final;
391 dst->PhyInfo.SignalQuality = sq_final;
392 dst->Rssi = rssi_final;
7b464c9f
LF		 393}
394
395static void update_current_network(struct adapter *adapter, struct wlan_bssid_ex *pnetwork)
396{
397 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
398
7b464c9f
LF		 399 if ((check_fwstate(pmlmepriv, _FW_LINKED) == true) &&
400 (is_same_network(&(pmlmepriv->cur_network.network), pnetwork))) {
401 update_network(&(pmlmepriv->cur_network.network), pnetwork, adapter, true);
402 rtw_update_protection(adapter, (pmlmepriv->cur_network.network.IEs) + sizeof(struct ndis_802_11_fixed_ie),
403 pmlmepriv->cur_network.network.IELength);
404 }
7b464c9f
LF		 405}
406
407/*
de109778
GS		 408 * Caller must hold pmlmepriv->lock first.
409 */
7b464c9f
LF		 410void rtw_update_scanned_network(struct adapter *adapter, struct wlan_bssid_ex *target)
411{
7b464c9f
LF		 412 struct list_head *plist, *phead;
413 u32 bssid_ex_sz;
414 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
415 struct __queue *queue = &(pmlmepriv->scanned_queue);
416 struct wlan_network *pnetwork = NULL;
417 struct wlan_network *oldest = NULL;
418
7057dcb3 419 spin_lock_bh(&queue->lock);
7b464c9f 420 phead = get_list_head(queue);
c44e5e39 421 plist = phead->next;
7b464c9f 422
84660700 423 while (phead != plist) {
bea88100 424 pnetwork = container_of(plist, struct wlan_network, list);
7b464c9f
LF		 425
426 if (is_same_network(&(pnetwork->network), target))
427 break;
428 if ((oldest == ((struct wlan_network *)0)) ||
429 time_after(oldest->last_scanned, pnetwork->last_scanned))
430 oldest = pnetwork;
c44e5e39 431 plist = plist->next;
7b464c9f
LF		 432 }
433 /* If we didn't find a match, then get a new network slot to initialize
de109778
GS		 434 * with this beacon's information
435 */
84660700 436 if (phead == plist) {
f7091bc6 437 if (list_empty(&(pmlmepriv->free_bss_pool.queue))) {
7b464c9f
LF		 438 /* If there are no more slots, expire the oldest */
439 pnetwork = oldest;
440
441 rtw_hal_get_def_var(adapter, HAL_DEF_CURRENT_ANTENNA, &(target->PhyInfo.Optimum_antenna));
442 memcpy(&(pnetwork->network), target, get_wlan_bssid_ex_sz(target));
443 /* variable initialize */
444 pnetwork->fixed = false;
c01fb496 445 pnetwork->last_scanned = jiffies;
7b464c9f
LF		 446
447 pnetwork->network_type = 0;
448 pnetwork->aid = 0;
449 pnetwork->join_res = 0;
450
08c64f93 451 /* bss info not receiving from the right channel */
7b464c9f
LF		 452 if (pnetwork->network.PhyInfo.SignalQuality == 101)
453 pnetwork->network.PhyInfo.SignalQuality = 0;
454 } else {
455 /* Otherwise just pull from the free list */
456
457 pnetwork = rtw_alloc_network(pmlmepriv); /* will update scan_time */
458
e31447f9 459 if (!pnetwork) {
7b464c9f
LF		 460 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n\n\nsomething wrong here\n\n\n"));
461 goto exit;
462 }
463
464 bssid_ex_sz = get_wlan_bssid_ex_sz(target);
465 target->Length = bssid_ex_sz;
466 rtw_hal_get_def_var(adapter, HAL_DEF_CURRENT_ANTENNA, &(target->PhyInfo.Optimum_antenna));
467 memcpy(&(pnetwork->network), target, bssid_ex_sz);
468
c01fb496 469 pnetwork->last_scanned = jiffies;
7b464c9f 470
08c64f93 471 /* bss info not receiving from the right channel */
7b464c9f
LF		 472 if (pnetwork->network.PhyInfo.SignalQuality == 101)
473 pnetwork->network.PhyInfo.SignalQuality = 0;
ae6787ad 474 list_add_tail(&(pnetwork->list), &(queue->queue));
7b464c9f
LF		 475 }
476 } else {
477 /* we have an entry and we are going to update it. But this entry may
478 * be already expired. In this case we do the same as we found a new
479 * net and call the new_net handler
480 */
481 bool update_ie = true;
482
c01fb496 483 pnetwork->last_scanned = jiffies;
7b464c9f 484
08c64f93 485 /* target.Reserved[0]== 1, means that scanned network is a bcn frame. */
7b464c9f
LF		 486 if ((pnetwork->network.IELength > target->IELength) && (target->Reserved[0] == 1))
487 update_ie = false;
488
489 update_network(&(pnetwork->network), target, adapter, update_ie);
490 }
491
492exit:
e02bcf61 493 spin_unlock_bh(&queue->lock);
7b464c9f
LF		 494}
495
496static void rtw_add_network(struct adapter *adapter,
497 struct wlan_bssid_ex *pnetwork)
498{
7b464c9f
LF		 499 update_current_network(adapter, pnetwork);
500 rtw_update_scanned_network(adapter, pnetwork);
7b464c9f
LF		 501}
502
9137c9df
EO		 503/*
504 * select the desired network based on the capability of the (i)bss.
505 * check items: (1) security
506 * (2) network_type
507 * (3) WMM
508 * (4) HT
509 * (5) others
510 */
7b464c9f
LF		 511static int rtw_is_desired_network(struct adapter *adapter, struct wlan_network *pnetwork)
512{
513 struct security_priv *psecuritypriv = &adapter->securitypriv;
514 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
515 u32 desired_encmode;
516 u32 privacy;
517
518 /* u8 wps_ie[512]; */
519 uint wps_ielen;
520
521 int bselected = true;
522
523 desired_encmode = psecuritypriv->ndisencryptstatus;
524 privacy = pnetwork->network.Privacy;
525
526 if (check_fwstate(pmlmepriv, WIFI_UNDER_WPS)) {
5629ff0f 527 if (rtw_get_wps_ie(pnetwork->network.IEs+_FIXED_IE_LENGTH_, pnetwork->network.IELength-_FIXED_IE_LENGTH_, NULL, &wps_ielen))
7b464c9f
LF		 528 return true;
529 else
530 return false;
531 }
532 if (adapter->registrypriv.wifi_spec == 1) { /* for correct flow of 8021X to do.... */
533 if ((desired_encmode == Ndis802_11EncryptionDisabled) && (privacy != 0))
534 bselected = false;
535 }
536
537
538 if ((desired_encmode != Ndis802_11EncryptionDisabled) && (privacy == 0)) {
539 DBG_88E("desired_encmode: %d, privacy: %d\n", desired_encmode, privacy);
540 bselected = false;
541 }
542
543 if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true) {
544 if (pnetwork->network.InfrastructureMode != pmlmepriv->cur_network.network.InfrastructureMode)
545 bselected = false;
546 }
547
7b464c9f
LF		 548 return bselected;
549}
550
551/* TODO: Perry: For Power Management */
e1d0bced 552void rtw_atimdone_event_callback(struct adapter *adapter, u8 *pbuf)
7b464c9f 553{
7b464c9f 554 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("receive atimdone_evet\n"));
7b464c9f
LF		 555}
556
7b464c9f
LF		 557void rtw_survey_event_callback(struct adapter *adapter, u8 *pbuf)
558{
7b464c9f
LF		 559 u32 len;
560 struct wlan_bssid_ex *pnetwork;
561 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
562
7b464c9f
LF		 563 pnetwork = (struct wlan_bssid_ex *)pbuf;
564
565 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("rtw_survey_event_callback, ssid=%s\n", pnetwork->Ssid.Ssid));
566
567 len = get_wlan_bssid_ex_sz(pnetwork);
568 if (len > (sizeof(struct wlan_bssid_ex))) {
569 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n****rtw_survey_event_callback: return a wrong bss ***\n"));
570 return;
571 }
7057dcb3 572 spin_lock_bh(&pmlmepriv->lock);
7b464c9f
LF		 573
574 /* update IBSS_network 's timestamp */
575 if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) == true) {
f42f52aa 576 if (!memcmp(&(pmlmepriv->cur_network.network.MacAddress), pnetwork->MacAddress, ETH_ALEN)) {
7b464c9f 577 struct wlan_network *ibss_wlan = NULL;
7b464c9f
LF		 578
579 memcpy(pmlmepriv->cur_network.network.IEs, pnetwork->IEs, 8);
7057dcb3 580 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
7b464c9f
LF		 581 ibss_wlan = rtw_find_network(&pmlmepriv->scanned_queue, pnetwork->MacAddress);
582 if (ibss_wlan) {
e1d0bced 583 memcpy(ibss_wlan->network.IEs, pnetwork->IEs, 8);
e02bcf61 584 spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
7b464c9f
LF		 585 goto exit;
586 }
e02bcf61 587 spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
7b464c9f
LF		 588 }
589 }
590
591 /* lock pmlmepriv->lock when you accessing network_q */
592 if ((check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) == false) {
593 if (pnetwork->Ssid.Ssid[0] == 0)
594 pnetwork->Ssid.SsidLength = 0;
595 rtw_add_network(adapter, pnetwork);
596 }
597
598exit:
599
e02bcf61 600 spin_unlock_bh(&pmlmepriv->lock);
7b464c9f
LF		 601 return;
602}
603
7b464c9f
LF		 604void rtw_surveydone_event_callback(struct adapter *adapter, u8 *pbuf)
605{
7b464c9f 606 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
7b464c9f 607
7057dcb3 608 spin_lock_bh(&pmlmepriv->lock);
7b464c9f
LF		 609
610 if (pmlmepriv->wps_probe_req_ie) {
611 pmlmepriv->wps_probe_req_ie_len = 0;
612 kfree(pmlmepriv->wps_probe_req_ie);
613 pmlmepriv->wps_probe_req_ie = NULL;
614 }
615
616 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("rtw_surveydone_event_callback: fw_state:%x\n\n", get_fwstate(pmlmepriv)));
617
618 if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY)) {
5aa8b9ae 619 del_timer_sync(&pmlmepriv->scan_to_timer);
7b464c9f
LF		 620 _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY);
621 } else {
622 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("nic status=%x, survey done event comes too late!\n", get_fwstate(pmlmepriv)));
623 }
624
625 rtw_set_signal_stat_timer(&adapter->recvpriv);
626
627 if (pmlmepriv->to_join) {
628 if ((check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true)) {
629 if (check_fwstate(pmlmepriv, _FW_LINKED) == false) {
630 set_fwstate(pmlmepriv, _FW_UNDER_LINKING);
631
632 if (rtw_select_and_join_from_scanned_queue(pmlmepriv) == _SUCCESS) {
4d4efe3e
VT		 633 mod_timer(&pmlmepriv->assoc_timer,
634 jiffies + msecs_to_jiffies(MAX_JOIN_TIMEOUT));
7b464c9f
LF		 635 } else {
636 struct wlan_bssid_ex *pdev_network = &(adapter->registrypriv.dev_network);
637 u8 *pibss = adapter->registrypriv.dev_network.MacAddress;
638
639 _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY);
640
641 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("switching to adhoc master\n"));
642
7b464c9f
LF		 643 memcpy(&pdev_network->Ssid, &pmlmepriv->assoc_ssid, sizeof(struct ndis_802_11_ssid));
644
645 rtw_update_registrypriv_dev_network(adapter);
646 rtw_generate_random_ibss(pibss);
647
648 pmlmepriv->fw_state = WIFI_ADHOC_MASTER_STATE;
649
650 if (rtw_createbss_cmd(adapter) != _SUCCESS)
651 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Error=>rtw_createbss_cmd status FAIL\n"));
652 pmlmepriv->to_join = false;
653 }
654 }
655 } else {
656 int s_ret;
7d2af82c 657
7b464c9f
LF		 658 set_fwstate(pmlmepriv, _FW_UNDER_LINKING);
659 pmlmepriv->to_join = false;
660 s_ret = rtw_select_and_join_from_scanned_queue(pmlmepriv);
2091eda1 661 if (s_ret == _SUCCESS) {
4e0fa71c
MB		 662 mod_timer(&pmlmepriv->assoc_timer,
663 jiffies + msecs_to_jiffies(MAX_JOIN_TIMEOUT));
7b464c9f
LF		 664 } else if (s_ret == 2) { /* there is no need to wait for join */
665 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
666 rtw_indicate_connect(adapter);
667 } else {
668 DBG_88E("try_to_join, but select scanning queue fail, to_roaming:%d\n", pmlmepriv->to_roaming);
669 if (pmlmepriv->to_roaming != 0) {
670 if (--pmlmepriv->to_roaming == 0 ||
2091eda1 671 rtw_sitesurvey_cmd(adapter, &pmlmepriv->assoc_ssid, 1, NULL, 0) != _SUCCESS) {
7b464c9f 672 pmlmepriv->to_roaming = 0;
b4ba3b57 673 rtw_free_assoc_resources(adapter);
7b464c9f
LF		 674 rtw_indicate_disconnect(adapter);
675 } else {
676 pmlmepriv->to_join = true;
677 }
678 }
679 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
680 }
681 }
682 }
683
684 indicate_wx_scan_complete_event(adapter);
685
e02bcf61 686 spin_unlock_bh(&pmlmepriv->lock);
7b464c9f 687
7b464c9f 688 rtw_os_xmit_schedule(adapter);
7b464c9f
LF		 689}
690
e703f237 691void rtw_dummy_event_callback(struct adapter *adapter, u8 *pbuf)
7b464c9f
LF		 692{
693}
694
e703f237 695void rtw_fwdbg_event_callback(struct adapter *adapter, u8 *pbuf)
7b464c9f
LF		 696{
697}
698
699static void free_scanqueue(struct mlme_priv *pmlmepriv)
700{
7b464c9f
LF		 701 struct __queue *free_queue = &pmlmepriv->free_bss_pool;
702 struct __queue *scan_queue = &pmlmepriv->scanned_queue;
703 struct list_head *plist, *phead, *ptemp;
704
7b464c9f 705 RT_TRACE(_module_rtl871x_mlme_c_, _drv_notice_, ("+free_scanqueue\n"));
7057dcb3
LF		 706 spin_lock_bh(&scan_queue->lock);
707 spin_lock_bh(&free_queue->lock);
7b464c9f
LF		 708
709 phead = get_list_head(scan_queue);
c44e5e39 710 plist = phead->next;
7b464c9f
LF		 711
712 while (plist != phead) {
c44e5e39 713 ptemp = plist->next;
8d5bdece 714 list_del_init(plist);
ae6787ad 715 list_add_tail(plist, &free_queue->queue);
7b464c9f 716 plist = ptemp;
7b464c9f
LF		 717 }
718
e02bcf61
LF		 719 spin_unlock_bh(&free_queue->lock);
720 spin_unlock_bh(&scan_queue->lock);
7b464c9f
LF		 721}
722
723/*
de109778
GS		 724 * rtw_free_assoc_resources: the caller has to lock pmlmepriv->lock
725 */
b4ba3b57
BAO		 726void rtw_free_assoc_resources(struct adapter *adapter)
727{
728 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
729
730 spin_lock_bh(&pmlmepriv->scanned_queue.lock);
731 rtw_free_assoc_resources_locked(adapter);
732 spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
733}
734
735/*
de109778
GS		 736 * rtw_free_assoc_resources_locked: the caller has to lock pmlmepriv->lock
737 */
b4ba3b57 738void rtw_free_assoc_resources_locked(struct adapter *adapter)
7b464c9f 739{
7b464c9f
LF		 740 struct wlan_network *pwlan = NULL;
741 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
742 struct sta_priv *pstapriv = &adapter->stapriv;
743 struct wlan_network *tgt_network = &pmlmepriv->cur_network;
744
7b464c9f
LF		 745 RT_TRACE(_module_rtl871x_mlme_c_, _drv_notice_, ("+rtw_free_assoc_resources\n"));
746 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
747 ("tgt_network->network.MacAddress=%pM ssid=%s\n",
748 tgt_network->network.MacAddress, tgt_network->network.Ssid.Ssid));
749
750 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE | WIFI_AP_STATE)) {
751 struct sta_info *psta;
752
753 psta = rtw_get_stainfo(&adapter->stapriv, tgt_network->network.MacAddress);
754
7057dcb3 755 spin_lock_bh(&(pstapriv->sta_hash_lock));
7b464c9f 756 rtw_free_stainfo(adapter, psta);
e02bcf61 757 spin_unlock_bh(&pstapriv->sta_hash_lock);
7b464c9f
LF		 758 }
759
760 if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE | WIFI_ADHOC_MASTER_STATE | WIFI_AP_STATE)) {
761 struct sta_info *psta;
762
763 rtw_free_all_stainfo(adapter);
764
765 psta = rtw_get_bcmc_stainfo(adapter);
7057dcb3 766 spin_lock_bh(&(pstapriv->sta_hash_lock));
7b464c9f 767 rtw_free_stainfo(adapter, psta);
e02bcf61 768 spin_unlock_bh(&pstapriv->sta_hash_lock);
7b464c9f
LF		 769
770 rtw_init_bcmc_stainfo(adapter);
771 }
772
7b464c9f
LF		 773
774 pwlan = rtw_find_network(&pmlmepriv->scanned_queue, tgt_network->network.MacAddress);
775 if (pwlan)
776 pwlan->fixed = false;
777 else
778 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("rtw_free_assoc_resources:pwlan==NULL\n\n"));
779
780 if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) && (adapter->stapriv.asoc_sta_count == 1)))
781 rtw_free_network_nolock(pmlmepriv, pwlan);
782
7b464c9f 783 pmlmepriv->key_mask = 0;
7b464c9f
LF		 784}
785
786/*
de109778
GS		 787 * rtw_indicate_connect: the caller has to lock pmlmepriv->lock
788 */
7b464c9f
LF		 789void rtw_indicate_connect(struct adapter *padapter)
790{
791 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
792
7b464c9f
LF		 793 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("+rtw_indicate_connect\n"));
794
795 pmlmepriv->to_join = false;
796
797 if (!check_fwstate(&padapter->mlmepriv, _FW_LINKED)) {
798 set_fwstate(pmlmepriv, _FW_LINKED);
799
30f56873 800 LedControl8188eu(padapter, LED_CTL_LINK);
7b464c9f
LF		 801
802 rtw_os_indicate_connect(padapter);
803 }
804
805 pmlmepriv->to_roaming = 0;
806
807 rtw_set_scan_deny(padapter, 3000);
808
809 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("-rtw_indicate_connect: fw_state=0x%08x\n", get_fwstate(pmlmepriv)));
7b464c9f
LF		 810}
811
812/*
de109778
GS		 813 * rtw_indicate_disconnect: the caller has to lock pmlmepriv->lock
814 */
7b464c9f
LF		 815void rtw_indicate_disconnect(struct adapter *padapter)
816{
817 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
818
7b464c9f
LF		 819 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("+rtw_indicate_disconnect\n"));
820
821 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING | WIFI_UNDER_WPS);
822
7b464c9f
LF		 823 if (pmlmepriv->to_roaming > 0)
824 _clr_fwstate_(pmlmepriv, _FW_LINKED);
825
826 if (check_fwstate(&padapter->mlmepriv, _FW_LINKED) ||
827 (pmlmepriv->to_roaming <= 0)) {
828 rtw_os_indicate_disconnect(padapter);
829
830 _clr_fwstate_(pmlmepriv, _FW_LINKED);
30f56873 831 LedControl8188eu(padapter, LED_CTL_NO_LINK);
7b464c9f
LF		 832 rtw_clear_scan_deny(padapter);
833 }
7b464c9f
LF		 834
835 rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_DISCONNECT, 1);
7b464c9f
LF		 836}
837
838inline void rtw_indicate_scan_done(struct adapter *padapter, bool aborted)
839{
840 rtw_os_indicate_scan_done(padapter, aborted);
841}
842
843void rtw_scan_abort(struct adapter *adapter)
844{
ed737494 845 unsigned long start;
7b464c9f
LF		 846 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
847 struct mlme_ext_priv *pmlmeext = &(adapter->mlmeextpriv);
848
c01fb496 849 start = jiffies;
7b464c9f
LF		 850 pmlmeext->scan_abort = true;
851 while (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY) &&
ed737494 852 jiffies_to_msecs(jiffies - start) <= 200) {
7b464c9f
LF		 853 if (adapter->bDriverStopped || adapter->bSurpriseRemoved)
854 break;
855 DBG_88E(FUNC_NDEV_FMT"fw_state=_FW_UNDER_SURVEY!\n", FUNC_NDEV_ARG(adapter->pnetdev));
0da46e6b 856 msleep(20);
7b464c9f
LF		 857 }
858 if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY)) {
859 if (!adapter->bDriverStopped && !adapter->bSurpriseRemoved)
860 DBG_88E(FUNC_NDEV_FMT"waiting for scan_abort time out!\n", FUNC_NDEV_ARG(adapter->pnetdev));
861 rtw_indicate_scan_done(adapter, true);
862 }
863 pmlmeext->scan_abort = false;
864}
865
866static struct sta_info *rtw_joinbss_update_stainfo(struct adapter *padapter, struct wlan_network *pnetwork)
867{
868 int i;
869 struct sta_info *bmc_sta, *psta = NULL;
870 struct recv_reorder_ctrl *preorder_ctrl;
871 struct sta_priv *pstapriv = &padapter->stapriv;
872
873 psta = rtw_get_stainfo(pstapriv, pnetwork->network.MacAddress);
e31447f9 874 if (!psta)
7b464c9f
LF		 875 psta = rtw_alloc_stainfo(pstapriv, pnetwork->network.MacAddress);
876
877 if (psta) { /* update ptarget_sta */
878 DBG_88E("%s\n", __func__);
879 psta->aid = pnetwork->join_res;
880 psta->mac_id = 0;
881 /* sta mode */
882 rtw_hal_set_odm_var(padapter, HAL_ODM_STA_INFO, psta, true);
883 /* security related */
884 if (padapter->securitypriv.dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) {
885 padapter->securitypriv.binstallGrpkey = false;
886 padapter->securitypriv.busetkipkey = false;
887 padapter->securitypriv.bgrpkey_handshake = false;
888 psta->ieee8021x_blocked = true;
889 psta->dot118021XPrivacy = padapter->securitypriv.dot11PrivacyAlgrthm;
1ce39848 890 memset((u8 *)&psta->dot118021x_UncstKey, 0, sizeof(union Keytype));
891 memset((u8 *)&psta->dot11tkiprxmickey, 0, sizeof(union Keytype));
892 memset((u8 *)&psta->dot11tkiptxmickey, 0, sizeof(union Keytype));
893 memset((u8 *)&psta->dot11txpn, 0, sizeof(union pn48));
894 memset((u8 *)&psta->dot11rxpn, 0, sizeof(union pn48));
7b464c9f 895 }
9137c9df
EO		 896 /*
897 * Commented by Albert 2012/07/21
898 * When doing the WPS, the wps_ie_len won't equal to 0
899 * And the Wi-Fi driver shouldn't allow the data
900 * packet to be tramsmitted.
901 */
7b464c9f
LF		 902 if (padapter->securitypriv.wps_ie_len != 0) {
903 psta->ieee8021x_blocked = true;
904 padapter->securitypriv.wps_ie_len = 0;
905 }
906 /* for A-MPDU Rx reordering buffer control for bmc_sta & sta_info */
08c64f93 907 /* if A-MPDU Rx is enabled, resetting rx_ordering_ctrl wstart_b(indicate_seq) to default value = 0xffff */
7b464c9f
LF		 908 /* todo: check if AP can send A-MPDU packets */
909 for (i = 0; i < 16; i++) {
910 /* preorder_ctrl = &precvpriv->recvreorder_ctrl[i]; */
911 preorder_ctrl = &psta->recvreorder_ctrl[i];
912 preorder_ctrl->enable = false;
913 preorder_ctrl->indicate_seq = 0xffff;
914 preorder_ctrl->wend_b = 0xffff;
915 preorder_ctrl->wsize_b = 64;/* max_ampdu_sz; ex. 32(kbytes) -> wsize_b = 32 */
916 }
917 bmc_sta = rtw_get_bcmc_stainfo(padapter);
918 if (bmc_sta) {
919 for (i = 0; i < 16; i++) {
920 /* preorder_ctrl = &precvpriv->recvreorder_ctrl[i]; */
921 preorder_ctrl = &bmc_sta->recvreorder_ctrl[i];
922 preorder_ctrl->enable = false;
923 preorder_ctrl->indicate_seq = 0xffff;
924 preorder_ctrl->wend_b = 0xffff;
925 preorder_ctrl->wsize_b = 64;/* max_ampdu_sz; ex. 32(kbytes) -> wsize_b = 32 */
926 }
927 }
928 /* misc. */
929 update_sta_info(padapter, psta);
930 }
931 return psta;
932}
933
934/* pnetwork: returns from rtw_joinbss_event_callback */
935/* ptarget_wlan: found from scanned_queue */
936static void rtw_joinbss_update_network(struct adapter *padapter, struct wlan_network *ptarget_wlan, struct wlan_network *pnetwork)
937{
938 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
939 struct wlan_network *cur_network = &(pmlmepriv->cur_network);
940
941 DBG_88E("%s\n", __func__);
942
943 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
944 ("\nfw_state:%x, BSSID:%pM\n",
945 get_fwstate(pmlmepriv), pnetwork->network.MacAddress));
946
947
948 /* why not use ptarget_wlan?? */
949 memcpy(&cur_network->network, &pnetwork->network, pnetwork->network.Length);
950 /* some IEs in pnetwork is wrong, so we should use ptarget_wlan IEs */
951 cur_network->network.IELength = ptarget_wlan->network.IELength;
952 memcpy(&cur_network->network.IEs[0], &ptarget_wlan->network.IEs[0], MAX_IE_SZ);
953
954 cur_network->aid = pnetwork->join_res;
955
7b464c9f
LF		 956 rtw_set_signal_stat_timer(&padapter->recvpriv);
957 padapter->recvpriv.signal_strength = ptarget_wlan->network.PhyInfo.SignalStrength;
958 padapter->recvpriv.signal_qual = ptarget_wlan->network.PhyInfo.SignalQuality;
959 /* the ptarget_wlan->network.Rssi is raw data, we use ptarget_wlan->network.PhyInfo.SignalStrength instead (has scaled) */
960 padapter->recvpriv.rssi = translate_percentage_to_dbm(ptarget_wlan->network.PhyInfo.SignalStrength);
961 rtw_set_signal_stat_timer(&padapter->recvpriv);
962
963 /* update fw_state will clr _FW_UNDER_LINKING here indirectly */
964 switch (pnetwork->network.InfrastructureMode) {
965 case Ndis802_11Infrastructure:
966 if (pmlmepriv->fw_state&WIFI_UNDER_WPS)
967 pmlmepriv->fw_state = WIFI_STATION_STATE|WIFI_UNDER_WPS;
968 else
969 pmlmepriv->fw_state = WIFI_STATION_STATE;
970 break;
971 case Ndis802_11IBSS:
972 pmlmepriv->fw_state = WIFI_ADHOC_STATE;
973 break;
974 default:
975 pmlmepriv->fw_state = WIFI_NULL_STATE;
976 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Invalid network_mode\n"));
977 break;
978 }
979
980 rtw_update_protection(padapter, (cur_network->network.IEs) +
981 sizeof(struct ndis_802_11_fixed_ie),
982 (cur_network->network.IELength));
983 rtw_update_ht_cap(padapter, cur_network->network.IEs, cur_network->network.IELength);
984}
985
08c64f93 986/* Notes: the function could be > passive_level (the same context as Rx tasklet) */
7b464c9f
LF		 987/* pnetwork: returns from rtw_joinbss_event_callback */
988/* ptarget_wlan: found from scanned_queue */
989/* if join_res > 0, for (fw_state == WIFI_STATION_STATE), we check if "ptarget_sta" & "ptarget_wlan" exist. */
990/* if join_res > 0, for (fw_state == WIFI_ADHOC_STATE), we only check if "ptarget_wlan" exist. */
991/* if join_res > 0, update "cur_network->network" from "pnetwork->network" if (ptarget_wlan != NULL). */
992
993void rtw_joinbss_event_prehandle(struct adapter *adapter, u8 *pbuf)
994{
7b464c9f
LF		 995 struct sta_info *ptarget_sta = NULL, *pcur_sta = NULL;
996 struct sta_priv *pstapriv = &adapter->stapriv;
997 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
998 struct wlan_network *pnetwork = (struct wlan_network *)pbuf;
999 struct wlan_network *cur_network = &(pmlmepriv->cur_network);
1000 struct wlan_network *pcur_wlan = NULL, *ptarget_wlan = NULL;
1001 unsigned int the_same_macaddr = false;
1002
7b464c9f
LF		 1003 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("joinbss event call back received with res=%d\n", pnetwork->join_res));
1004
1005 rtw_get_encrypt_decrypt_from_registrypriv(adapter);
1006
7b464c9f
LF		 1007 if (pmlmepriv->assoc_ssid.SsidLength == 0)
1008 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("@@@@@ joinbss event call back for Any SSid\n"));
1009 else
1010 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("@@@@@ rtw_joinbss_event_callback for SSid:%s\n", pmlmepriv->assoc_ssid.Ssid));
1011
f42f52aa 1012 the_same_macaddr = !memcmp(pnetwork->network.MacAddress, cur_network->network.MacAddress, ETH_ALEN);
7b464c9f
LF		 1013
1014 pnetwork->network.Length = get_wlan_bssid_ex_sz(&pnetwork->network);
1015 if (pnetwork->network.Length > sizeof(struct wlan_bssid_ex)) {
1016 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n\n ***joinbss_evt_callback return a wrong bss ***\n\n"));
f578b5d3 1017 return;
7b464c9f
LF		 1018 }
1019
7057dcb3 1020 spin_lock_bh(&pmlmepriv->lock);
7b464c9f
LF		 1021
1022 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("\nrtw_joinbss_event_callback!! _enter_critical\n"));
1023
1024 if (pnetwork->join_res > 0) {
7057dcb3 1025 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
7b464c9f
LF		 1026 if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) {
1027 /* s1. find ptarget_wlan */
1028 if (check_fwstate(pmlmepriv, _FW_LINKED)) {
1029 if (the_same_macaddr) {
1030 ptarget_wlan = rtw_find_network(&pmlmepriv->scanned_queue, cur_network->network.MacAddress);
1031 } else {
1032 pcur_wlan = rtw_find_network(&pmlmepriv->scanned_queue, cur_network->network.MacAddress);
1033 if (pcur_wlan)
1034 pcur_wlan->fixed = false;
1035
1036 pcur_sta = rtw_get_stainfo(pstapriv, cur_network->network.MacAddress);
1037 if (pcur_sta) {
7057dcb3 1038 spin_lock_bh(&(pstapriv->sta_hash_lock));
7b464c9f 1039 rtw_free_stainfo(adapter, pcur_sta);
e02bcf61 1040 spin_unlock_bh(&pstapriv->sta_hash_lock);
7b464c9f
LF		 1041 }
1042
1043 ptarget_wlan = rtw_find_network(&pmlmepriv->scanned_queue, pnetwork->network.MacAddress);
1044 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
1045 if (ptarget_wlan)
1046 ptarget_wlan->fixed = true;
1047 }
1048 }
1049 } else {
1050 ptarget_wlan = rtw_find_network(&pmlmepriv->scanned_queue, pnetwork->network.MacAddress);
1051 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
1052 if (ptarget_wlan)
1053 ptarget_wlan->fixed = true;
1054 }
1055 }
1056
1057 /* s2. update cur_network */
1058 if (ptarget_wlan) {
1059 rtw_joinbss_update_network(adapter, ptarget_wlan, pnetwork);
1060 } else {
1061 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Can't find ptarget_wlan when joinbss_event callback\n"));
e02bcf61 1062 spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
7b464c9f
LF		 1063 goto ignore_joinbss_callback;
1064 }
1065
7b464c9f
LF		 1066 /* s3. find ptarget_sta & update ptarget_sta after update cur_network only for station mode */
1067 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
1068 ptarget_sta = rtw_joinbss_update_stainfo(adapter, pnetwork);
e31447f9 1069 if (!ptarget_sta) {
7b464c9f 1070 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Can't update stainfo when joinbss_event callback\n"));
e02bcf61 1071 spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
7b464c9f
LF		 1072 goto ignore_joinbss_callback;
1073 }
1074 }
1075
1076 /* s4. indicate connect */
1077 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
1078 rtw_indicate_connect(adapter);
1079 } else {
1080 /* adhoc mode will rtw_indicate_connect when rtw_stassoc_event_callback */
1081 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("adhoc mode, fw_state:%x", get_fwstate(pmlmepriv)));
1082 }
1083
2a3e1437 1084 /* s5. Cancel assoc_timer */
5aa8b9ae 1085 del_timer_sync(&pmlmepriv->assoc_timer);
7b464c9f 1086
2a3e1437 1087 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("Cancel assoc_timer\n"));
7b464c9f
LF		 1088
1089 } else {
1090 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("rtw_joinbss_event_callback err: fw_state:%x", get_fwstate(pmlmepriv)));
e02bcf61 1091 spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
7b464c9f
LF		 1092 goto ignore_joinbss_callback;
1093 }
1094
e02bcf61 1095 spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
7b464c9f
LF		 1096
1097 } else if (pnetwork->join_res == -4) {
1098 rtw_reset_securitypriv(adapter);
4d4efe3e
VT		 1099 mod_timer(&pmlmepriv->assoc_timer,
1100 jiffies + msecs_to_jiffies(1));
7b464c9f
LF		 1101
1102 if ((check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) == true) {
1103 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("fail! clear _FW_UNDER_LINKING ^^^fw_state=%x\n", get_fwstate(pmlmepriv)));
1104 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
1105 }
1106 } else { /* if join_res < 0 (join fails), then try again */
4d4efe3e
VT		 1107 mod_timer(&pmlmepriv->assoc_timer,
1108 jiffies + msecs_to_jiffies(1));
7b464c9f
LF		 1109 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
1110 }
1111
1112ignore_joinbss_callback:
e02bcf61 1113 spin_unlock_bh(&pmlmepriv->lock);
7b464c9f
LF		 1114}
1115
1116void rtw_joinbss_event_callback(struct adapter *adapter, u8 *pbuf)
1117{
1118 struct wlan_network *pnetwork = (struct wlan_network *)pbuf;
1119
7b464c9f
LF		 1120 mlmeext_joinbss_event_callback(adapter, pnetwork->join_res);
1121
1122 rtw_os_xmit_schedule(adapter);
7b464c9f
LF		 1123}
1124
1125static u8 search_max_mac_id(struct adapter *padapter)
1126{
1127 u8 mac_id;
b4ed18b1 1128#if defined(CONFIG_88EU_AP_MODE)
7b464c9f
LF		 1129 u8 aid;
1130 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
1131 struct sta_priv *pstapriv = &padapter->stapriv;
1132#endif
1133 struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
1134 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1135
b4ed18b1 1136#if defined(CONFIG_88EU_AP_MODE)
7b464c9f
LF		 1137 if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
1138 for (aid = (pstapriv->max_num_sta); aid > 0; aid--) {
5629ff0f 1139 if (pstapriv->sta_aid[aid-1])
7b464c9f
LF		 1140 break;
1141 }
1142 mac_id = aid + 1;
1143 } else
1144#endif
1145 {/* adhoc id = 31~2 */
1146 for (mac_id = (NUM_STA-1); mac_id >= IBSS_START_MAC_ID; mac_id--) {
1147 if (pmlmeinfo->FW_sta_info[mac_id].status == 1)
1148 break;
1149 }
1150 }
1151 return mac_id;
1152}
1153
1154/* FOR AP , AD-HOC mode */
1155void rtw_stassoc_hw_rpt(struct adapter *adapter, struct sta_info *psta)
1156{
1157 u16 media_status;
1158 u8 macid;
1159
e31447f9 1160 if (!psta)
7b464c9f
LF		 1161 return;
1162
1163 macid = search_max_mac_id(adapter);
1164 rtw_hal_set_hwreg(adapter, HW_VAR_TX_RPT_MAX_MACID, (u8 *)&macid);
1165 media_status = (psta->mac_id<<8)|1; /* MACID|OPMODE:1 connect */
1166 rtw_hal_set_hwreg(adapter, HW_VAR_H2C_MEDIA_STATUS_RPT, (u8 *)&media_status);
1167}
1168
1169void rtw_stassoc_event_callback(struct adapter *adapter, u8 *pbuf)
1170{
7b464c9f
LF		 1171 struct sta_info *psta;
1172 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
1173 struct stassoc_event *pstassoc = (struct stassoc_event *)pbuf;
1174 struct wlan_network *cur_network = &(pmlmepriv->cur_network);
1175 struct wlan_network *ptarget_wlan = NULL;
1176
7b464c9f
LF		 1177 if (rtw_access_ctrl(adapter, pstassoc->macaddr) == false)
1178 return;
1179
b4ed18b1 1180#if defined(CONFIG_88EU_AP_MODE)
7b464c9f
LF		 1181 if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
1182 psta = rtw_get_stainfo(&adapter->stapriv, pstassoc->macaddr);
1183 if (psta) {
1184 ap_sta_info_defer_update(adapter, psta);
1185 rtw_stassoc_hw_rpt(adapter, psta);
1186 }
f578b5d3 1187 return;
7b464c9f
LF		 1188 }
1189#endif
1190 /* for AD-HOC mode */
1191 psta = rtw_get_stainfo(&adapter->stapriv, pstassoc->macaddr);
5629ff0f 1192 if (psta) {
7b464c9f
LF		 1193 /* the sta have been in sta_info_queue => do nothing */
1194 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Error: rtw_stassoc_event_callback: sta has been in sta_hash_queue\n"));
f578b5d3 1195 return; /* between drv has received this event before and fw have not yet to set key to CAM_ENTRY) */
7b464c9f
LF		 1196 }
1197 psta = rtw_alloc_stainfo(&adapter->stapriv, pstassoc->macaddr);
e31447f9 1198 if (!psta) {
7b464c9f 1199 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Can't alloc sta_info when rtw_stassoc_event_callback\n"));
f578b5d3 1200 return;
7b464c9f
LF		 1201 }
1202 /* to do: init sta_info variable */
1203 psta->qos_option = 0;
1204 psta->mac_id = (uint)pstassoc->cam_id;
1205 DBG_88E("%s\n", __func__);
1206 /* for ad-hoc mode */
1207 rtw_hal_set_odm_var(adapter, HAL_ODM_STA_INFO, psta, true);
1208 rtw_stassoc_hw_rpt(adapter, psta);
1209 if (adapter->securitypriv.dot11AuthAlgrthm == dot11AuthAlgrthm_8021X)
1210 psta->dot118021XPrivacy = adapter->securitypriv.dot11PrivacyAlgrthm;
1211 psta->ieee8021x_blocked = false;
7057dcb3 1212 spin_lock_bh(&pmlmepriv->lock);
7b464c9f
LF		 1213 if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) ||
1214 (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE))) {
1215 if (adapter->stapriv.asoc_sta_count == 2) {
7057dcb3 1216 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
7b464c9f
LF		 1217 ptarget_wlan = rtw_find_network(&pmlmepriv->scanned_queue, cur_network->network.MacAddress);
1218 if (ptarget_wlan)
1219 ptarget_wlan->fixed = true;
e02bcf61 1220 spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
7b464c9f
LF		 1221 /* a sta + bc/mc_stainfo (not Ibss_stainfo) */
1222 rtw_indicate_connect(adapter);
1223 }
1224 }
e02bcf61 1225 spin_unlock_bh(&pmlmepriv->lock);
7b464c9f 1226 mlmeext_sta_add_event_callback(adapter, psta);
7b464c9f
LF		 1227}
1228
1229void rtw_stadel_event_callback(struct adapter *adapter, u8 *pbuf)
1230{
7b464c9f
LF		 1231 int mac_id = -1;
1232 struct sta_info *psta;
1233 struct wlan_network *pwlan = NULL;
1234 struct wlan_bssid_ex *pdev_network = NULL;
1235 u8 *pibss = NULL;
1236 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
1237 struct stadel_event *pstadel = (struct stadel_event *)pbuf;
1238 struct sta_priv *pstapriv = &adapter->stapriv;
1239 struct wlan_network *tgt_network = &(pmlmepriv->cur_network);
1240
7b464c9f
LF		 1241 psta = rtw_get_stainfo(&adapter->stapriv, pstadel->macaddr);
1242 if (psta)
1243 mac_id = psta->mac_id;
1244 else
1245 mac_id = pstadel->mac_id;
1246
1247 DBG_88E("%s(mac_id=%d)=%pM\n", __func__, mac_id, pstadel->macaddr);
1248
1249 if (mac_id >= 0) {
1250 u16 media_status;
7d2af82c 1251
7b464c9f
LF		 1252 media_status = (mac_id<<8)|0; /* MACID|OPMODE:0 means disconnect */
1253 /* for STA, AP, ADHOC mode, report disconnect stauts to FW */
1254 rtw_hal_set_hwreg(adapter, HW_VAR_H2C_MEDIA_STATUS_RPT, (u8 *)&media_status);
1255 }
1256
1257 if (check_fwstate(pmlmepriv, WIFI_AP_STATE))
1258 return;
1259
1260 mlmeext_sta_del_event_callback(adapter);
1261
7057dcb3 1262 spin_lock_bh(&pmlmepriv->lock);
7b464c9f
LF		 1263
1264 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
1265 if (pmlmepriv->to_roaming > 0)
1266 pmlmepriv->to_roaming--; /* this stadel_event is caused by roaming, decrease to_roaming */
1267 else if (pmlmepriv->to_roaming == 0)
1268 pmlmepriv->to_roaming = adapter->registrypriv.max_roaming_times;
1269
1270 if (*((unsigned short *)(pstadel->rsvd)) != WLAN_REASON_EXPIRATION_CHK)
1271 pmlmepriv->to_roaming = 0; /* don't roam */
1272
1273 rtw_free_uc_swdec_pending_queue(adapter);
1274
b4ba3b57 1275 rtw_free_assoc_resources(adapter);
7b464c9f 1276 rtw_indicate_disconnect(adapter);
7057dcb3 1277 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
7b464c9f
LF		 1278 /* remove the network entry in scanned_queue */
1279 pwlan = rtw_find_network(&pmlmepriv->scanned_queue, tgt_network->network.MacAddress);
1280 if (pwlan) {
1281 pwlan->fixed = false;
1282 rtw_free_network_nolock(pmlmepriv, pwlan);
1283 }
e02bcf61 1284 spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
7b464c9f
LF		 1285 _rtw_roaming(adapter, tgt_network);
1286 }
1287 if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) ||
1288 check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) {
7057dcb3 1289 spin_lock_bh(&(pstapriv->sta_hash_lock));
7b464c9f 1290 rtw_free_stainfo(adapter, psta);
e02bcf61 1291 spin_unlock_bh(&pstapriv->sta_hash_lock);
7b464c9f
LF		 1292
1293 if (adapter->stapriv.asoc_sta_count == 1) { /* a sta + bc/mc_stainfo (not Ibss_stainfo) */
7057dcb3 1294 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
7b464c9f
LF		 1295 /* free old ibss network */
1296 pwlan = rtw_find_network(&pmlmepriv->scanned_queue, tgt_network->network.MacAddress);
1297 if (pwlan) {
1298 pwlan->fixed = false;
1299 rtw_free_network_nolock(pmlmepriv, pwlan);
1300 }
e02bcf61 1301 spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
7b464c9f
LF		 1302 /* re-create ibss */
1303 pdev_network = &(adapter->registrypriv.dev_network);
1304 pibss = adapter->registrypriv.dev_network.MacAddress;
1305
1306 memcpy(pdev_network, &tgt_network->network, get_wlan_bssid_ex_sz(&tgt_network->network));
1307
7b464c9f
LF		 1308 memcpy(&pdev_network->Ssid, &pmlmepriv->assoc_ssid, sizeof(struct ndis_802_11_ssid));
1309
1310 rtw_update_registrypriv_dev_network(adapter);
1311
1312 rtw_generate_random_ibss(pibss);
1313
1314 if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) {
1315 set_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE);
1316 _clr_fwstate_(pmlmepriv, WIFI_ADHOC_STATE);
1317 }
1318
1319 if (rtw_createbss_cmd(adapter) != _SUCCESS)
1320 RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_err_, ("***Error=>stadel_event_callback: rtw_createbss_cmd status FAIL***\n "));
1321 }
1322 }
e02bcf61 1323 spin_unlock_bh(&pmlmepriv->lock);
7b464c9f
LF		 1324}
1325
1326void rtw_cpwm_event_callback(struct adapter *padapter, u8 *pbuf)
1327{
7b464c9f 1328 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("+rtw_cpwm_event_callback !!!\n"));
7b464c9f
LF		 1329}
1330
1331/*
de109778
GS		 1332 * _rtw_join_timeout_handler - Timeout/faliure handler for CMD JoinBss
1333 * @adapter: pointer to struct adapter structure
1334 */
28af7ea8 1335void _rtw_join_timeout_handler (unsigned long data)
7b464c9f 1336{
28af7ea8 1337 struct adapter *adapter = (struct adapter *)data;
7b464c9f
LF		 1338 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1339 int do_join_r;
1340
7b464c9f
LF		 1341 DBG_88E("%s, fw_state=%x\n", __func__, get_fwstate(pmlmepriv));
1342
1343 if (adapter->bDriverStopped || adapter->bSurpriseRemoved)
1344 return;
1345
7057dcb3 1346 spin_lock_bh(&pmlmepriv->lock);
7b464c9f
LF		 1347
1348 if (pmlmepriv->to_roaming > 0) { /* join timeout caused by roaming */
1349 while (1) {
1350 pmlmepriv->to_roaming--;
1351 if (pmlmepriv->to_roaming != 0) { /* try another , */
1352 DBG_88E("%s try another roaming\n", __func__);
1353 do_join_r = rtw_do_join(adapter);
2091eda1 1354 if (do_join_r != _SUCCESS) {
e1d0bced 1355 DBG_88E("%s roaming do_join return %d\n", __func__, do_join_r);
7b464c9f
LF		 1356 continue;
1357 }
1358 break;
1359 } else {
1360 DBG_88E("%s We've try roaming but fail\n", __func__);
1361 rtw_indicate_disconnect(adapter);
1362 break;
1363 }
1364 }
1365 } else {
1366 rtw_indicate_disconnect(adapter);
1367 free_scanqueue(pmlmepriv);/* */
1368 }
e02bcf61 1369 spin_unlock_bh(&pmlmepriv->lock);
7b464c9f
LF		 1370}
1371
1372/*
de109778
GS		 1373 * rtw_scan_timeout_handler - Timeout/Faliure handler for CMD SiteSurvey
1374 * @adapter: pointer to struct adapter structure
1375 */
28af7ea8 1376void rtw_scan_timeout_handler (unsigned long data)
7b464c9f 1377{
28af7ea8 1378 struct adapter *adapter = (struct adapter *)data;
7b464c9f
LF		 1379 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1380
1381 DBG_88E(FUNC_ADPT_FMT" fw_state=%x\n", FUNC_ADPT_ARG(adapter), get_fwstate(pmlmepriv));
7057dcb3 1382 spin_lock_bh(&pmlmepriv->lock);
7b464c9f 1383 _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY);
e02bcf61 1384 spin_unlock_bh(&pmlmepriv->lock);
7b464c9f
LF		 1385 rtw_indicate_scan_done(adapter, true);
1386}
1387
1388static void rtw_auto_scan_handler(struct adapter *padapter)
1389{
1390 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1391
1392 /* auto site survey per 60sec */
1393 if (pmlmepriv->scan_interval > 0) {
1394 pmlmepriv->scan_interval--;
1395 if (pmlmepriv->scan_interval == 0) {
1396 DBG_88E("%s\n", __func__);
1397 rtw_set_802_11_bssid_list_scan(padapter, NULL, 0);
1398 pmlmepriv->scan_interval = SCAN_INTERVAL;/* 30*2 sec = 60sec */
1399 }
1400 }
1401}
1402
28af7ea8 1403void rtw_dynamic_check_timer_handlder(unsigned long data)
7b464c9f 1404{
28af7ea8 1405 struct adapter *adapter = (struct adapter *)data;
7b464c9f
LF		 1406 struct registry_priv *pregistrypriv = &adapter->registrypriv;
1407
1408 if (!adapter)
7424a060 1409 return;
7b464c9f 1410 if (!adapter->hw_init_completed)
bd293343 1411 goto exit;
7b464c9f 1412 if ((adapter->bDriverStopped) || (adapter->bSurpriseRemoved))
bd293343 1413 goto exit;
7b464c9f 1414 if (adapter->net_closed)
bd293343 1415 goto exit;
7b464c9f
LF		 1416 rtw_dynamic_chk_wk_cmd(adapter);
1417
1418 if (pregistrypriv->wifi_spec == 1) {
2454e79a 1419 /* auto site survey */
1420 rtw_auto_scan_handler(adapter);
7b464c9f 1421 }
bd293343 1422exit:
4d4efe3e
VT		 1423 mod_timer(&adapter->mlmepriv.dynamic_chk_timer,
1424 jiffies + msecs_to_jiffies(2000));
7b464c9f
LF		 1425}
1426
1427#define RTW_SCAN_RESULT_EXPIRE 2000
1428
1429/*
de109778
GS		 1430 * Select a new join candidate from the original @param candidate and @param competitor
1431 * @return true: candidate is updated
1432 * @return false: candidate is not updated
1433 */
7b464c9f
LF		 1434static int rtw_check_join_candidate(struct mlme_priv *pmlmepriv
1435 , struct wlan_network **candidate, struct wlan_network *competitor)
1436{
1437 int updated = false;
ed737494 1438 unsigned long since_scan;
7b464c9f
LF		 1439 struct adapter *adapter = container_of(pmlmepriv, struct adapter, mlmepriv);
1440
7b464c9f
LF		 1441 /* check bssid, if needed */
1442 if (pmlmepriv->assoc_by_bssid) {
f42f52aa 1443 if (memcmp(competitor->network.MacAddress, pmlmepriv->assoc_bssid, ETH_ALEN))
7b464c9f
LF		 1444 goto exit;
1445 }
1446
1447 /* check ssid, if needed */
05c9bc1f 1448 if (pmlmepriv->assoc_ssid.SsidLength) {
7b464c9f 1449 if (competitor->network.Ssid.SsidLength != pmlmepriv->assoc_ssid.SsidLength ||
f42f52aa 1450 !memcmp(competitor->network.Ssid.Ssid, pmlmepriv->assoc_ssid.Ssid, pmlmepriv->assoc_ssid.SsidLength) == false)
7b464c9f
LF		 1451 goto exit;
1452 }
1453
1454 if (rtw_is_desired_network(adapter, competitor) == false)
1455 goto exit;
1456
1457 if (pmlmepriv->to_roaming) {
ed737494
RO		 1458 since_scan = jiffies - competitor->last_scanned;
1459 if (jiffies_to_msecs(since_scan) >= RTW_SCAN_RESULT_EXPIRE ||
7b464c9f
LF		 1460 is_same_ess(&competitor->network, &pmlmepriv->cur_network.network) == false)
1461 goto exit;
1462 }
1463
1464 if (*candidate == NULL || (*candidate)->network.Rssi < competitor->network.Rssi) {
1465 *candidate = competitor;
1466 updated = true;
1467 }
1468 if (updated) {
1469 DBG_88E("[by_bssid:%u][assoc_ssid:%s]new candidate: %s(%pM rssi:%d\n",
1470 pmlmepriv->assoc_by_bssid,
1471 pmlmepriv->assoc_ssid.Ssid,
1472 (*candidate)->network.Ssid.Ssid,
1473 (*candidate)->network.MacAddress,
1474 (int)(*candidate)->network.Rssi);
1475 DBG_88E("[to_roaming:%u]\n", pmlmepriv->to_roaming);
1476 }
1477
1478exit:
1479 return updated;
1480}
1481
1482/*
de109778
GS		 1483 * Calling context:
1484 * The caller of the sub-routine will be in critical section...
1485 * The caller must hold the following spinlock
1486 * pmlmepriv->lock
1487 */
7b464c9f
LF		 1488
1489int rtw_select_and_join_from_scanned_queue(struct mlme_priv *pmlmepriv)
1490{
7b464c9f
LF		 1491 int ret;
1492 struct list_head *phead;
1493 struct adapter *adapter;
1494 struct __queue *queue = &(pmlmepriv->scanned_queue);
1495 struct wlan_network *pnetwork = NULL;
1496 struct wlan_network *candidate = NULL;
1497 u8 supp_ant_div = false;
1498
7057dcb3 1499 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
7b464c9f
LF		 1500 phead = get_list_head(queue);
1501 adapter = (struct adapter *)pmlmepriv->nic_hdl;
c44e5e39 1502 pmlmepriv->pscanned = phead->next;
84660700 1503 while (phead != pmlmepriv->pscanned) {
bea88100 1504 pnetwork = container_of(pmlmepriv->pscanned, struct wlan_network, list);
7b464c9f
LF		 1505 if (pnetwork == NULL) {
1506 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("%s return _FAIL:(pnetwork==NULL)\n", __func__));
1507 ret = _FAIL;
1508 goto exit;
1509 }
c44e5e39 1510 pmlmepriv->pscanned = pmlmepriv->pscanned->next;
7b464c9f
LF		 1511 rtw_check_join_candidate(pmlmepriv, &candidate, pnetwork);
1512 }
e31447f9 1513 if (!candidate) {
7b464c9f
LF		 1514 DBG_88E("%s: return _FAIL(candidate==NULL)\n", __func__);
1515 ret = _FAIL;
1516 goto exit;
1517 } else {
1518 DBG_88E("%s: candidate: %s(%pM ch:%u)\n", __func__,
1519 candidate->network.Ssid.Ssid, candidate->network.MacAddress,
1520 candidate->network.Configuration.DSConfig);
1521 }
1522
7b464c9f
LF		 1523 /* check for situation of _FW_LINKED */
1524 if (check_fwstate(pmlmepriv, _FW_LINKED) == true) {
1525 DBG_88E("%s: _FW_LINKED while ask_for_joinbss!!!\n", __func__);
1526
1527 rtw_disassoc_cmd(adapter, 0, true);
1528 rtw_indicate_disconnect(adapter);
b4ba3b57 1529 rtw_free_assoc_resources_locked(adapter);
7b464c9f
LF		 1530 }
1531
1532 rtw_hal_get_def_var(adapter, HAL_DEF_IS_SUPPORT_ANT_DIV, &(supp_ant_div));
1533 if (supp_ant_div) {
1534 u8 cur_ant;
7d2af82c 1535
7b464c9f
LF		 1536 rtw_hal_get_def_var(adapter, HAL_DEF_CURRENT_ANTENNA, &(cur_ant));
1537 DBG_88E("#### Opt_Ant_(%s), cur_Ant(%s)\n",
2091eda1
GS		 1538 (candidate->network.PhyInfo.Optimum_antenna == 2) ? "A" : "B",
1539 (cur_ant == 2) ? "A" : "B"
7b464c9f
LF		 1540 );
1541 }
1542
1543 ret = rtw_joinbss_cmd(adapter, candidate);
1544
1545exit:
e02bcf61 1546 spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
7b464c9f
LF		 1547 return ret;
1548}
1549
1550int rtw_set_auth(struct adapter *adapter, struct security_priv *psecuritypriv)
1551{
1552 struct cmd_obj *pcmd;
1553 struct setauth_parm *psetauthparm;
1554 struct cmd_priv *pcmdpriv = &(adapter->cmdpriv);
1555 int res = _SUCCESS;
1556
fadbe0cd 1557 pcmd = kzalloc(sizeof(struct cmd_obj), GFP_KERNEL);
6e9aeda3 1558 if (!pcmd) {
7b464c9f
LF		 1559 res = _FAIL; /* try again */
1560 goto exit;
1561 }
1562
fadbe0cd 1563 psetauthparm = kzalloc(sizeof(struct setauth_parm), GFP_KERNEL);
6e9aeda3 1564 if (!psetauthparm) {
7b464c9f
LF		 1565 kfree(pcmd);
1566 res = _FAIL;
1567 goto exit;
1568 }
1ce39848 1569 memset(psetauthparm, 0, sizeof(struct setauth_parm));
7b464c9f
LF		 1570 psetauthparm->mode = (unsigned char)psecuritypriv->dot11AuthAlgrthm;
1571 pcmd->cmdcode = _SetAuth_CMD_;
1572 pcmd->parmbuf = (unsigned char *)psetauthparm;
1573 pcmd->cmdsz = (sizeof(struct setauth_parm));
1574 pcmd->rsp = NULL;
1575 pcmd->rspsz = 0;
aa3f5ccb 1576 INIT_LIST_HEAD(&pcmd->list);
7b464c9f
LF		 1577 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
1578 ("after enqueue set_auth_cmd, auth_mode=%x\n",
1579 psecuritypriv->dot11AuthAlgrthm));
1580 res = rtw_enqueue_cmd(pcmdpriv, pcmd);
1581exit:
7b464c9f
LF		 1582 return res;
1583}
1584
1585int rtw_set_key(struct adapter *adapter, struct security_priv *psecuritypriv, int keyid, u8 set_tx)
1586{
1587 u8 keylen;
1588 struct cmd_obj *pcmd;
1589 struct setkey_parm *psetkeyparm;
1590 struct cmd_priv *pcmdpriv = &(adapter->cmdpriv);
1591 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
1592 int res = _SUCCESS;
1593
fadbe0cd 1594 pcmd = kzalloc(sizeof(struct cmd_obj), GFP_KERNEL);
6e9aeda3 1595 if (!pcmd)
e0c49319
CE		 1596 return _FAIL; /* try again */
1597
fadbe0cd 1598 psetkeyparm = kzalloc(sizeof(struct setkey_parm), GFP_KERNEL);
6e9aeda3 1599 if (!psetkeyparm) {
7b464c9f 1600 res = _FAIL;
e0c49319 1601 goto err_free_cmd;
7b464c9f
LF		 1602 }
1603
1ce39848 1604 memset(psetkeyparm, 0, sizeof(struct setkey_parm));
7b464c9f
LF		 1605
1606 if (psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) {
1607 psetkeyparm->algorithm = (unsigned char)psecuritypriv->dot118021XGrpPrivacy;
1608 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
1609 ("\n rtw_set_key: psetkeyparm->algorithm=(unsigned char)psecuritypriv->dot118021XGrpPrivacy=%d\n",
1610 psetkeyparm->algorithm));
1611 } else {
1612 psetkeyparm->algorithm = (u8)psecuritypriv->dot11PrivacyAlgrthm;
1613 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
1614 ("\n rtw_set_key: psetkeyparm->algorithm=(u8)psecuritypriv->dot11PrivacyAlgrthm=%d\n",
1615 psetkeyparm->algorithm));
1616 }
1617 psetkeyparm->keyid = (u8)keyid;/* 0~3 */
1618 psetkeyparm->set_tx = set_tx;
1619 pmlmepriv->key_mask |= BIT(psetkeyparm->keyid);
1620 DBG_88E("==> rtw_set_key algorithm(%x), keyid(%x), key_mask(%x)\n",
1621 psetkeyparm->algorithm, psetkeyparm->keyid, pmlmepriv->key_mask);
1622 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
1623 ("\n rtw_set_key: psetkeyparm->algorithm=%d psetkeyparm->keyid=(u8)keyid=%d\n",
1624 psetkeyparm->algorithm, keyid));
1625
1626 switch (psetkeyparm->algorithm) {
1627 case _WEP40_:
1628 keylen = 5;
1629 memcpy(&(psetkeyparm->key[0]), &(psecuritypriv->dot11DefKey[keyid].skey[0]), keylen);
1630 break;
1631 case _WEP104_:
1632 keylen = 13;
1633 memcpy(&(psetkeyparm->key[0]), &(psecuritypriv->dot11DefKey[keyid].skey[0]), keylen);
1634 break;
1635 case _TKIP_:
1636 keylen = 16;
1637 memcpy(&psetkeyparm->key, &psecuritypriv->dot118021XGrpKey[keyid], keylen);
1638 psetkeyparm->grpkey = 1;
1639 break;
1640 case _AES_:
1641 keylen = 16;
1642 memcpy(&psetkeyparm->key, &psecuritypriv->dot118021XGrpKey[keyid], keylen);
1643 psetkeyparm->grpkey = 1;
1644 break;
1645 default:
1646 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
1647 ("\n rtw_set_key:psecuritypriv->dot11PrivacyAlgrthm=%x (must be 1 or 2 or 4 or 5)\n",
1648 psecuritypriv->dot11PrivacyAlgrthm));
1649 res = _FAIL;
e0c49319 1650 goto err_free_parm;
7b464c9f
LF		 1651 }
1652 pcmd->cmdcode = _SetKey_CMD_;
1653 pcmd->parmbuf = (u8 *)psetkeyparm;
1654 pcmd->cmdsz = (sizeof(struct setkey_parm));
1655 pcmd->rsp = NULL;
1656 pcmd->rspsz = 0;
aa3f5ccb 1657 INIT_LIST_HEAD(&pcmd->list);
7b464c9f 1658 res = rtw_enqueue_cmd(pcmdpriv, pcmd);
e0c49319
CE		 1659 return res;
1660
1661err_free_parm:
1662 kfree(psetkeyparm);
1663err_free_cmd:
1664 kfree(pcmd);
7b464c9f
LF		 1665 return res;
1666}
1667
1668/* adjust IEs for rtw_joinbss_cmd in WMM */
1669int rtw_restruct_wmm_ie(struct adapter *adapter, u8 *in_ie, u8 *out_ie, uint in_len, uint initial_out_len)
1670{
1671 unsigned int ielength = 0;
1672 unsigned int i, j;
1673
628bd1c0
IS		 1674 /* i = 12; after the fixed IE */
1675 for (i = 12; i < in_len; i += (in_ie[i + 1] + 2) /* to the next IE element */) {
7b464c9f
LF		 1676 ielength = initial_out_len;
1677
1678 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) {
1679 /* WMM element ID and OUI */
1680 /* Append WMM IE to the last index of out_ie */
1681
1682 for (j = i; j < i + 9; j++) {
1683 out_ie[ielength] = in_ie[j];
1684 ielength++;
1685 }
1686 out_ie[initial_out_len + 1] = 0x07;
1687 out_ie[initial_out_len + 6] = 0x00;
1688 out_ie[initial_out_len + 8] = 0x00;
1689 break;
1690 }
7b464c9f
LF		 1691 }
1692 return ielength;
1693}
1694
9137c9df
EO		 1695/*
1696 * Ported from 8185: IsInPreAuthKeyList().
1697 * (Renamed from SecIsInPreAuthKeyList(), 2006-10-13.)
1698 * Added by Annie, 2006-05-07.
1699 * Search by BSSID,
1700 * Return Value:
1701 * -1 :if there is no pre-auth key in the table
1702 * >= 0 :if there is pre-auth key, and return the entry id
1703 */
7b464c9f
LF		 1704static int SecIsInPMKIDList(struct adapter *Adapter, u8 *bssid)
1705{
1706 struct security_priv *psecuritypriv = &Adapter->securitypriv;
1707 int i = 0;
1708
1709 do {
1710 if ((psecuritypriv->PMKIDList[i].bUsed) &&
05c9bc1f 1711 (!memcmp(psecuritypriv->PMKIDList[i].Bssid, bssid, ETH_ALEN))) {
7b464c9f
LF		 1712 break;
1713 } else {
1714 i++;
1715 /* continue; */
1716 }
1717
1718 } while (i < NUM_PMKID_CACHE);
1719
a318c9e0 1720 if (i == NUM_PMKID_CACHE)
7b464c9f 1721 i = -1;/* Could not find. */
a318c9e0 1722
7b464c9f
LF		 1723 return i;
1724}
1725
1726/* */
1727/* Check the RSN IE length */
1728/* If the RSN IE length <= 20, the RSN IE didn't include the PMKID information */
1729/* 0-11th element in the array are the fixed IE */
1730/* 12th element in the array is the IE */
1731/* 13th element in the array is the IE length */
1732/* */
1733
1734static int rtw_append_pmkid(struct adapter *Adapter, int iEntry, u8 *ie, uint ie_len)
1735{
1736 struct security_priv *psecuritypriv = &Adapter->securitypriv;
1737
1738 if (ie[13] <= 20) {
1739 /* The RSN IE didn't include the PMK ID, append the PMK information */
1740 ie[ie_len] = 1;
1741 ie_len++;
1742 ie[ie_len] = 0; /* PMKID count = 0x0100 */
1743 ie_len++;
1744 memcpy(&ie[ie_len], &psecuritypriv->PMKIDList[iEntry].PMKID, 16);
1745
1746 ie_len += 16;
1747 ie[13] += 18;/* PMKID length = 2+16 */
1748 }
1749 return ie_len;
1750}
1751
1752int rtw_restruct_sec_ie(struct adapter *adapter, u8 *in_ie, u8 *out_ie, uint in_len)
1753{
1754 u8 authmode;
1755 uint ielength;
1756 int iEntry;
1757
1758 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1759 struct security_priv *psecuritypriv = &adapter->securitypriv;
1760 uint ndisauthmode = psecuritypriv->ndisauthtype;
1761 uint ndissecuritytype = psecuritypriv->ndisencryptstatus;
1762
7b464c9f
LF		 1763 RT_TRACE(_module_rtl871x_mlme_c_, _drv_notice_,
1764 ("+rtw_restruct_sec_ie: ndisauthmode=%d ndissecuritytype=%d\n",
1765 ndisauthmode, ndissecuritytype));
1766
1767 /* copy fixed ie only */
1768 memcpy(out_ie, in_ie, 12);
1769 ielength = 12;
1770 if ((ndisauthmode == Ndis802_11AuthModeWPA) ||
1771 (ndisauthmode == Ndis802_11AuthModeWPAPSK))
1772 authmode = _WPA_IE_ID_;
1773 if ((ndisauthmode == Ndis802_11AuthModeWPA2) ||
1774 (ndisauthmode == Ndis802_11AuthModeWPA2PSK))
1775 authmode = _WPA2_IE_ID_;
1776
1777 if (check_fwstate(pmlmepriv, WIFI_UNDER_WPS)) {
1778 memcpy(out_ie+ielength, psecuritypriv->wps_ie, psecuritypriv->wps_ie_len);
1779
1780 ielength += psecuritypriv->wps_ie_len;
1781 } else if ((authmode == _WPA_IE_ID_) || (authmode == _WPA2_IE_ID_)) {
1782 /* copy RSN or SSN */
1783 memcpy(&out_ie[ielength], &psecuritypriv->supplicant_ie[0], psecuritypriv->supplicant_ie[1]+2);
1784 ielength += psecuritypriv->supplicant_ie[1]+2;
1785 rtw_report_sec_ie(adapter, authmode, psecuritypriv->supplicant_ie);
1786 }
1787
1788 iEntry = SecIsInPMKIDList(adapter, pmlmepriv->assoc_bssid);
1789 if (iEntry < 0) {
1790 return ielength;
1791 } else {
1792 if (authmode == _WPA2_IE_ID_)
1793 ielength = rtw_append_pmkid(adapter, iEntry, out_ie, ielength);
1794 }
7b464c9f
LF		 1795 return ielength;
1796}
1797
1798void rtw_init_registrypriv_dev_network(struct adapter *adapter)
1799{
1800 struct registry_priv *pregistrypriv = &adapter->registrypriv;
1801 struct eeprom_priv *peepriv = &adapter->eeprompriv;
1802 struct wlan_bssid_ex *pdev_network = &pregistrypriv->dev_network;
1803 u8 *myhwaddr = myid(peepriv);
1804
7b464c9f
LF		 1805 memcpy(pdev_network->MacAddress, myhwaddr, ETH_ALEN);
1806
1807 memcpy(&pdev_network->Ssid, &pregistrypriv->ssid, sizeof(struct ndis_802_11_ssid));
1808
1809 pdev_network->Configuration.Length = sizeof(struct ndis_802_11_config);
1810 pdev_network->Configuration.BeaconPeriod = 100;
1811 pdev_network->Configuration.FHConfig.Length = 0;
1812 pdev_network->Configuration.FHConfig.HopPattern = 0;
1813 pdev_network->Configuration.FHConfig.HopSet = 0;
1814 pdev_network->Configuration.FHConfig.DwellTime = 0;
7b464c9f
LF		 1815}
1816
1817void rtw_update_registrypriv_dev_network(struct adapter *adapter)
1818{
1819 int sz = 0;
1820 struct registry_priv *pregistrypriv = &adapter->registrypriv;
1821 struct wlan_bssid_ex *pdev_network = &pregistrypriv->dev_network;
1822 struct security_priv *psecuritypriv = &adapter->securitypriv;
1823 struct wlan_network *cur_network = &adapter->mlmepriv.cur_network;
1824
7b464c9f
LF		 1825 pdev_network->Privacy = (psecuritypriv->dot11PrivacyAlgrthm > 0 ? 1 : 0); /* adhoc no 802.1x */
1826
1827 pdev_network->Rssi = 0;
1828
1829 switch (pregistrypriv->wireless_mode) {
1830 case WIRELESS_11B:
1831 pdev_network->NetworkTypeInUse = (Ndis802_11DS);
1832 break;
1833 case WIRELESS_11G:
1834 case WIRELESS_11BG:
1835 case WIRELESS_11_24N:
1836 case WIRELESS_11G_24N:
1837 case WIRELESS_11BG_24N:
1838 pdev_network->NetworkTypeInUse = (Ndis802_11OFDM24);
1839 break;
1840 case WIRELESS_11A:
1841 case WIRELESS_11A_5N:
1842 pdev_network->NetworkTypeInUse = (Ndis802_11OFDM5);
1843 break;
1844 case WIRELESS_11ABGN:
1845 if (pregistrypriv->channel > 14)
1846 pdev_network->NetworkTypeInUse = (Ndis802_11OFDM5);
1847 else
1848 pdev_network->NetworkTypeInUse = (Ndis802_11OFDM24);
1849 break;
1850 default:
1851 /* TODO */
1852 break;
1853 }
1854
1855 pdev_network->Configuration.DSConfig = (pregistrypriv->channel);
1856 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
1857 ("pregistrypriv->channel=%d, pdev_network->Configuration.DSConfig=0x%x\n",
1858 pregistrypriv->channel, pdev_network->Configuration.DSConfig));
1859
1860 if (cur_network->network.InfrastructureMode == Ndis802_11IBSS)
1861 pdev_network->Configuration.ATIMWindow = (0);
1862
1863 pdev_network->InfrastructureMode = (cur_network->network.InfrastructureMode);
1864
1865 /* 1. Supported rates */
1866 /* 2. IE */
1867
1868 sz = rtw_generate_ie(pregistrypriv);
1869 pdev_network->IELength = sz;
1870 pdev_network->Length = get_wlan_bssid_ex_sz((struct wlan_bssid_ex *)pdev_network);
1871
1872 /* notes: translate IELength & Length after assign the Length to cmdsz in createbss_cmd(); */
1873 /* pdev_network->IELength = cpu_to_le32(sz); */
7b464c9f
LF		 1874}
1875
1876void rtw_get_encrypt_decrypt_from_registrypriv(struct adapter *adapter)
1877{
7b464c9f
LF		 1878}
1879
08c64f93 1880/* the function is at passive_level */
7b464c9f
LF		 1881void rtw_joinbss_reset(struct adapter *padapter)
1882{
1883 u8 threshold;
1884 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1885 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
1886
1887 /* todo: if you want to do something io/reg/hw setting before join_bss, please add code here */
1888 pmlmepriv->num_FortyMHzIntolerant = 0;
1889
1890 pmlmepriv->num_sta_no_ht = 0;
1891
1892 phtpriv->ampdu_enable = false;/* reset to disabled */
1893
1894 /* TH = 1 => means that invalidate usb rx aggregation */
1895 /* TH = 0 => means that validate usb rx aggregation, use init value. */
1896 if (phtpriv->ht_option) {
1897 if (padapter->registrypriv.wifi_spec == 1)
1898 threshold = 1;
1899 else
1900 threshold = 0;
1901 rtw_hal_set_hwreg(padapter, HW_VAR_RXDMA_AGG_PG_TH, (u8 *)(&threshold));
1902 } else {
1903 threshold = 1;
1904 rtw_hal_set_hwreg(padapter, HW_VAR_RXDMA_AGG_PG_TH, (u8 *)(&threshold));
1905 }
1906}
1907
08c64f93 1908/* the function is >= passive_level */
7b464c9f
LF		 1909unsigned int rtw_restructure_ht_ie(struct adapter *padapter, u8 *in_ie, u8 *out_ie, uint in_len, uint *pout_len)
1910{
1911 u32 ielen, out_len;
1912 enum ht_cap_ampdu_factor max_rx_ampdu_factor;
1913 unsigned char *p;
7b464c9f
LF		 1914 unsigned char WMM_IE[] = {0x00, 0x50, 0xf2, 0x02, 0x00, 0x01, 0x00};
1915 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1916 struct qos_priv *pqospriv = &pmlmepriv->qospriv;
1917 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
1918 u32 rx_packet_offset, max_recvbuf_sz;
1919
7b464c9f
LF		 1920 phtpriv->ht_option = false;
1921
1922 p = rtw_get_ie(in_ie+12, _HT_CAPABILITY_IE_, &ielen, in_len-12);
1923
1924 if (p && ielen > 0) {
c7873d8b
IS		 1925 struct ieee80211_ht_cap ht_cap;
1926
7b464c9f
LF		 1927 if (pqospriv->qos_option == 0) {
1928 out_len = *pout_len;
81a6a4f0 1929 rtw_set_ie(out_ie + out_len, _VENDOR_SPECIFIC_IE_,
7b464c9f
LF		 1930 _WMM_IE_Length_, WMM_IE, pout_len);
1931
1932 pqospriv->qos_option = 1;
1933 }
1934
1935 out_len = *pout_len;
1936
c7873d8b 1937 memset(&ht_cap, 0, sizeof(struct ieee80211_ht_cap));
7b464c9f 1938
c7873d8b
IS		 1939 ht_cap.cap_info = cpu_to_le16(IEEE80211_HT_CAP_SUP_WIDTH |
1940 IEEE80211_HT_CAP_SGI_20 |
1941 IEEE80211_HT_CAP_SGI_40 |
1942 IEEE80211_HT_CAP_TX_STBC |
1943 IEEE80211_HT_CAP_DSSSCCK40);
7b464c9f
LF		 1944
1945 rtw_hal_get_def_var(padapter, HAL_DEF_RX_PACKET_OFFSET, &rx_packet_offset);
1946 rtw_hal_get_def_var(padapter, HAL_DEF_MAX_RECVBUF_SZ, &max_recvbuf_sz);
1947
1948 /*
3d3cd94d
IS		 1949 ampdu_params_info [1:0]:Max AMPDU Len => 0:8k , 1:16k, 2:32k, 3:64k
1950 ampdu_params_info [4:2]:Min MPDU Start Spacing
7b464c9f
LF		 1951 */
1952
1953 rtw_hal_get_def_var(padapter, HW_VAR_MAX_RX_AMPDU_FACTOR, &max_rx_ampdu_factor);
c7873d8b 1954 ht_cap.ampdu_params_info = max_rx_ampdu_factor & 0x03;
7b464c9f
LF		 1955
1956 if (padapter->securitypriv.dot11PrivacyAlgrthm == _AES_)
c7873d8b 1957 ht_cap.ampdu_params_info |= IEEE80211_HT_CAP_AMPDU_DENSITY & (0x07 << 2);
7b464c9f 1958 else
c7873d8b 1959 ht_cap.ampdu_params_info |= IEEE80211_HT_CAP_AMPDU_DENSITY & 0x00;
7b464c9f
LF		 1960
1961 rtw_set_ie(out_ie+out_len, _HT_CAPABILITY_IE_,
81a2b8e4 1962 sizeof(struct ieee80211_ht_cap),
c7873d8b 1963 (unsigned char *)&ht_cap, pout_len);
7b464c9f
LF		 1964
1965 phtpriv->ht_option = true;
1966
1967 p = rtw_get_ie(in_ie+12, _HT_ADD_INFO_IE_, &ielen, in_len-12);
1968 if (p && (ielen == sizeof(struct ieee80211_ht_addt_info))) {
1969 out_len = *pout_len;
e1d0bced 1970 rtw_set_ie(out_ie+out_len, _HT_ADD_INFO_IE_, ielen, p+2, pout_len);
7b464c9f
LF		 1971 }
1972 }
1973 return phtpriv->ht_option;
1974}
1975
08c64f93 1976/* the function is > passive_level (in critical_section) */
7b464c9f
LF		 1977void rtw_update_ht_cap(struct adapter *padapter, u8 *pie, uint ie_len)
1978{
7b464c9f
LF		 1979 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1980 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
1981 struct registry_priv *pregistrypriv = &padapter->registrypriv;
1982 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1983 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1984
1985 if (!phtpriv->ht_option)
1986 return;
1987
1988 if ((!pmlmeinfo->HT_info_enable) || (!pmlmeinfo->HT_caps_enable))
1989 return;
1990
1991 DBG_88E("+rtw_update_ht_cap()\n");
1992
1993 /* maybe needs check if ap supports rx ampdu. */
1994 if ((!phtpriv->ampdu_enable) && (pregistrypriv->ampdu_enable == 1)) {
1995 if (pregistrypriv->wifi_spec == 1)
1996 phtpriv->ampdu_enable = false;
1997 else
1998 phtpriv->ampdu_enable = true;
1999 } else if (pregistrypriv->ampdu_enable == 2) {
2000 phtpriv->ampdu_enable = true;
2001 }
2002
7b464c9f
LF		 2003 /* update cur_bwmode & cur_ch_offset */
2004 if ((pregistrypriv->cbw40_enable) &&
3d3cd94d 2005 (le16_to_cpu(pmlmeinfo->HT_caps.cap_info) & BIT(1)) &&
7b464c9f
LF		 2006 (pmlmeinfo->HT_info.infos[0] & BIT(2))) {
2007 int i;
7b464c9f
LF		 2008
2009 /* update the MCS rates */
8241f926
IS		 2010 for (i = 0; i < 16; i++)
2011 ((u8 *)&pmlmeinfo->HT_caps.mcs)[i] &= MCS_rate_1R[i];
08c64f93 2012 /* switch to the 40M Hz mode according to the AP */
7b464c9f
LF		 2013 pmlmeext->cur_bwmode = HT_CHANNEL_WIDTH_40;
2014 switch ((pmlmeinfo->HT_info.infos[0] & 0x3)) {
2015 case HT_EXTCHNL_OFFSET_UPPER:
2016 pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER;
2017 break;
2018 case HT_EXTCHNL_OFFSET_LOWER:
2019 pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_UPPER;
2020 break;
2021 default:
2022 pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
2023 break;
2024 }
2025 }
2026
2027 /* Config SM Power Save setting */
3d3cd94d 2028 pmlmeinfo->SM_PS = (le16_to_cpu(pmlmeinfo->HT_caps.cap_info) & 0x0C) >> 2;
7b464c9f
LF		 2029 if (pmlmeinfo->SM_PS == WLAN_HT_CAP_SM_PS_STATIC)
2030 DBG_88E("%s(): WLAN_HT_CAP_SM_PS_STATIC\n", __func__);
2031
2032 /* Config current HT Protection mode. */
2033 pmlmeinfo->HT_protection = pmlmeinfo->HT_info.infos[1] & 0x3;
2034}
2035
2036void rtw_issue_addbareq_cmd(struct adapter *padapter, struct xmit_frame *pxmitframe)
2037{
2038 u8 issued;
2039 int priority;
2040 struct sta_info *psta = NULL;
2041 struct ht_priv *phtpriv;
2042 struct pkt_attrib *pattrib = &pxmitframe->attrib;
2043 s32 bmcst = IS_MCAST(pattrib->ra);
2044
2045 if (bmcst || (padapter->mlmepriv.LinkDetectInfo.NumTxOkInPeriod < 100))
2046 return;
2047
2048 priority = pattrib->priority;
2049
2050 if (pattrib->psta)
2051 psta = pattrib->psta;
2052 else
2053 psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra);
2054
e31447f9 2055 if (!psta)
7b464c9f
LF		 2056 return;
2057
2058 phtpriv = &psta->htpriv;
2059
2060 if ((phtpriv->ht_option) && (phtpriv->ampdu_enable)) {
81a6a4f0
GN		 2061 issued = (phtpriv->agg_enable_bitmap >> priority) & 0x1;
2062 issued |= (phtpriv->candidate_tid_bitmap >> priority) & 0x1;
7b464c9f 2063
2091eda1 2064 if (issued == 0) {
7b464c9f
LF		 2065 DBG_88E("rtw_issue_addbareq_cmd, p=%d\n", priority);
2066 psta->htpriv.candidate_tid_bitmap |= BIT((u8)priority);
7be921a2 2067 rtw_addbareq_cmd(padapter, (u8)priority, pattrib->ra);
7b464c9f
LF		 2068 }
2069 }
2070}
2071
2072void rtw_roaming(struct adapter *padapter, struct wlan_network *tgt_network)
2073{
7b464c9f
LF		 2074 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
2075
7057dcb3 2076 spin_lock_bh(&pmlmepriv->lock);
7b464c9f 2077 _rtw_roaming(padapter, tgt_network);
e02bcf61 2078 spin_unlock_bh(&pmlmepriv->lock);
7b464c9f 2079}
5a12a59e 2080
7b464c9f
LF		 2081void _rtw_roaming(struct adapter *padapter, struct wlan_network *tgt_network)
2082{
2083 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
2084 int do_join_r;
2085
2086 struct wlan_network *pnetwork;
2087
5629ff0f 2088 if (tgt_network)
7b464c9f
LF		 2089 pnetwork = tgt_network;
2090 else
2091 pnetwork = &pmlmepriv->cur_network;
2092
2091eda1 2093 if (pmlmepriv->to_roaming > 0) {
7b464c9f
LF		 2094 DBG_88E("roaming from %s(%pM length:%d\n",
2095 pnetwork->network.Ssid.Ssid, pnetwork->network.MacAddress,
2096 pnetwork->network.Ssid.SsidLength);
2097 memcpy(&pmlmepriv->assoc_ssid, &pnetwork->network.Ssid, sizeof(struct ndis_802_11_ssid));
2098
2099 pmlmepriv->assoc_by_bssid = false;
2100
2101 while (1) {
2102 do_join_r = rtw_do_join(padapter);
2091eda1 2103 if (do_join_r == _SUCCESS) {
7b464c9f
LF		 2104 break;
2105 } else {
2106 DBG_88E("roaming do_join return %d\n", do_join_r);
2107 pmlmepriv->to_roaming--;
2108
2091eda1 2109 if (pmlmepriv->to_roaming > 0) {
7b464c9f
LF		 2110 continue;
2111 } else {
2112 DBG_88E("%s(%d) -to roaming fail, indicate_disconnect\n", __func__, __LINE__);
2113 rtw_indicate_disconnect(padapter);
2114 break;
2115 }
2116 }
2117 }
2118 }
2119}
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