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Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/upstream-linus
[linux-btrfs-devel.git] / drivers / staging / rtl8712 / rtl871x_mlme.c
blob866554d48d86b57005c4ffaadf6cfb01da856e2e
1 /******************************************************************************
2 * rtl871x_mlme.c
3 *
4 * Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
5 * Linux device driver for RTL8192SU
6 *
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms of version 2 of the GNU General Public License as
9 * published by the Free Software Foundation.
10 *
11 * This program is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
14 * more details.
15 *
16 * You should have received a copy of the GNU General Public License along with
17 * this program; if not, write to the Free Software Foundation, Inc.,
18 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
19 *
20 * Modifications for inclusion into the Linux staging tree are
21 * Copyright(c) 2010 Larry Finger. All rights reserved.
22 *
23 * Contact information:
24 * WLAN FAE <wlanfae@realtek.com>
25 * Larry Finger <Larry.Finger@lwfinger.net>
26 *
27 ******************************************************************************/
28
29 #define _RTL871X_MLME_C_
30
31 #include "osdep_service.h"
32 #include "drv_types.h"
33 #include "recv_osdep.h"
34 #include "xmit_osdep.h"
35 #include "mlme_osdep.h"
36 #include "sta_info.h"
37 #include "wifi.h"
38 #include "wlan_bssdef.h"
39
40 static void update_ht_cap(struct _adapter *padapter, u8 *pie, uint ie_len);
41
42 static sint _init_mlme_priv(struct _adapter *padapter)
43 {
44 sint i;
45 u8 *pbuf;
46 struct wlan_network *pnetwork;
47 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
48
49 memset((u8 *)pmlmepriv, 0, sizeof(struct mlme_priv));
50 pmlmepriv->nic_hdl = (u8 *)padapter;
51 pmlmepriv->pscanned = NULL;
52 pmlmepriv->fw_state = 0;
53 pmlmepriv->cur_network.network.InfrastructureMode =
54 Ndis802_11AutoUnknown;
55 spin_lock_init(&(pmlmepriv->lock));
56 spin_lock_init(&(pmlmepriv->lock2));
57 _init_queue(&(pmlmepriv->free_bss_pool));
58 _init_queue(&(pmlmepriv->scanned_queue));
59 set_scanned_network_val(pmlmepriv, 0);
60 memset(&pmlmepriv->assoc_ssid, 0, sizeof(struct ndis_802_11_ssid));
61 pbuf = _malloc(MAX_BSS_CNT * (sizeof(struct wlan_network)));
62 if (pbuf == NULL)
63 return _FAIL;
64 pmlmepriv->free_bss_buf = pbuf;
65 pnetwork = (struct wlan_network *)pbuf;
66 for (i = 0; i < MAX_BSS_CNT; i++) {
67 _init_listhead(&(pnetwork->list));
68 list_insert_tail(&(pnetwork->list),
69 &(pmlmepriv->free_bss_pool.queue));
70 pnetwork++;
71 }
72 pmlmepriv->sitesurveyctrl.last_rx_pkts = 0;
73 pmlmepriv->sitesurveyctrl.last_tx_pkts = 0;
74 pmlmepriv->sitesurveyctrl.traffic_busy = false;
75 /* allocate DMA-able/Non-Page memory for cmd_buf and rsp_buf */
76 r8712_init_mlme_timer(padapter);
77 return _SUCCESS;
78 }
79
80 struct wlan_network *_r8712_alloc_network(struct mlme_priv *pmlmepriv)
81 {
82 unsigned long irqL;
83 struct wlan_network *pnetwork;
84 struct __queue *free_queue = &pmlmepriv->free_bss_pool;
85 struct list_head *plist = NULL;
86
87 if (_queue_empty(free_queue) == true)
88 return NULL;
89 spin_lock_irqsave(&free_queue->lock, irqL);
90 plist = get_next(&(free_queue->queue));
91 pnetwork = LIST_CONTAINOR(plist , struct wlan_network, list);
92 list_delete(&pnetwork->list);
93 pnetwork->last_scanned = jiffies;
94 pmlmepriv->num_of_scanned++;
95 spin_unlock_irqrestore(&free_queue->lock, irqL);
96 return pnetwork;
97 }
98
99 static void _free_network(struct mlme_priv *pmlmepriv,
100 struct wlan_network *pnetwork)
101 {
102 u32 curr_time, delta_time;
103 unsigned long irqL;
104 struct __queue *free_queue = &(pmlmepriv->free_bss_pool);
105
106 if (pnetwork == NULL)
107 return;
108 if (pnetwork->fixed == true)
109 return;
110 curr_time = jiffies;
111 delta_time = (curr_time - (u32)pnetwork->last_scanned) / HZ;
112 if (delta_time < SCANQUEUE_LIFETIME)
113 return;
114 spin_lock_irqsave(&free_queue->lock, irqL);
115 list_delete(&pnetwork->list);
116 list_insert_tail(&pnetwork->list, &free_queue->queue);
117 pmlmepriv->num_of_scanned--;
118 spin_unlock_irqrestore(&free_queue->lock, irqL);
119 }
120
121 static void _free_network_nolock(struct mlme_priv *pmlmepriv,
122 struct wlan_network *pnetwork)
123 {
124 struct __queue *free_queue = &pmlmepriv->free_bss_pool;
125
126 if (pnetwork == NULL)
127 return;
128 if (pnetwork->fixed == true)
129 return;
130 list_delete(&pnetwork->list);
131 list_insert_tail(&pnetwork->list, get_list_head(free_queue));
132 pmlmepriv->num_of_scanned--;
133 }
134
135
136 /*
137 return the wlan_network with the matching addr
138 Shall be calle under atomic context...
139 to avoid possible racing condition...
140 */
141 static struct wlan_network *_r8712_find_network(struct __queue *scanned_queue,
142 u8 *addr)
143 {
144 unsigned long irqL;
145 struct list_head *phead, *plist;
146 struct wlan_network *pnetwork = NULL;
147 u8 zero_addr[ETH_ALEN] = {0, 0, 0, 0, 0, 0};
148
149 if (!memcmp(zero_addr, addr, ETH_ALEN))
150 return NULL;
151 spin_lock_irqsave(&scanned_queue->lock, irqL);
152 phead = get_list_head(scanned_queue);
153 plist = get_next(phead);
154 while (plist != phead) {
155 pnetwork = LIST_CONTAINOR(plist, struct wlan_network, list);
156 plist = get_next(plist);
157 if (!memcmp(addr, pnetwork->network.MacAddress, ETH_ALEN))
158 break;
159 }
160 spin_unlock_irqrestore(&scanned_queue->lock, irqL);
161 return pnetwork;
162 }
163
164 static void _free_network_queue(struct _adapter *padapter)
165 {
166 unsigned long irqL;
167 struct list_head *phead, *plist;
168 struct wlan_network *pnetwork;
169 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
170 struct __queue *scanned_queue = &pmlmepriv->scanned_queue;
171
172 spin_lock_irqsave(&scanned_queue->lock, irqL);
173 phead = get_list_head(scanned_queue);
174 plist = get_next(phead);
175 while (end_of_queue_search(phead, plist) == false) {
176 pnetwork = LIST_CONTAINOR(plist, struct wlan_network, list);
177 plist = get_next(plist);
178 _free_network(pmlmepriv, pnetwork);
179 }
180 spin_unlock_irqrestore(&scanned_queue->lock, irqL);
181 }
182
183 sint r8712_if_up(struct _adapter *padapter)
184 {
185 sint res;
186
187 if (padapter->bDriverStopped || padapter->bSurpriseRemoved ||
188 (check_fwstate(&padapter->mlmepriv, _FW_LINKED) == false)) {
189 res = false;
190 } else
191 res = true;
192 return res;
193 }
194
195 void r8712_generate_random_ibss(u8 *pibss)
196 {
197 u32 curtime = jiffies;
198
199 pibss[0] = 0x02; /*in ad-hoc mode bit1 must set to 1 */
200 pibss[1] = 0x11;
201 pibss[2] = 0x87;
202 pibss[3] = (u8)(curtime & 0xff);
203 pibss[4] = (u8)((curtime>>8) & 0xff);
204 pibss[5] = (u8)((curtime>>16) & 0xff);
205 }
206
207 uint r8712_get_ndis_wlan_bssid_ex_sz(struct ndis_wlan_bssid_ex *bss)
208 {
209 uint t_len;
210
211 t_len = sizeof(u32) + 6 * sizeof(unsigned long) + 2 +
212 sizeof(struct ndis_802_11_ssid) + sizeof(u32) +
213 sizeof(s32) +
214 sizeof(enum NDIS_802_11_NETWORK_TYPE) +
215 sizeof(struct NDIS_802_11_CONFIGURATION) +
216 sizeof(enum NDIS_802_11_NETWORK_INFRASTRUCTURE) +
217 sizeof(NDIS_802_11_RATES_EX) +
218 sizeof(u32) + bss->IELength;
219 return t_len;
220 }
221
222 u8 *r8712_get_capability_from_ie(u8 *ie)
223 {
224 return ie + 8 + 2;
225 }
226
227 int r8712_init_mlme_priv(struct _adapter *padapter)
228 {
229 return _init_mlme_priv(padapter);
230 }
231
232 void r8712_free_mlme_priv(struct mlme_priv *pmlmepriv)
233 {
234 kfree(pmlmepriv->free_bss_buf);
235 }
236
237 static struct wlan_network *alloc_network(struct mlme_priv *pmlmepriv)
238 {
239 return _r8712_alloc_network(pmlmepriv);
240 }
241
242 static void free_network_nolock(struct mlme_priv *pmlmepriv,
243 struct wlan_network *pnetwork)
244 {
245 _free_network_nolock(pmlmepriv, pnetwork);
246 }
247
248 void r8712_free_network_queue(struct _adapter *dev)
249 {
250 _free_network_queue(dev);
251 }
252
253 /*
254 return the wlan_network with the matching addr
255
256 Shall be calle under atomic context...
257 to avoid possible racing condition...
258 */
259 static struct wlan_network *r8712_find_network(struct __queue *scanned_queue,
260 u8 *addr)
261 {
262 struct wlan_network *pnetwork = _r8712_find_network(scanned_queue,
263 addr);
264
265 return pnetwork;
266 }
267
268 int r8712_is_same_ibss(struct _adapter *adapter, struct wlan_network *pnetwork)
269 {
270 int ret = true;
271 struct security_priv *psecuritypriv = &adapter->securitypriv;
272
273 if ((psecuritypriv->PrivacyAlgrthm != _NO_PRIVACY_) &&
274 (pnetwork->network.Privacy == 0))
275 ret = false;
276 else if ((psecuritypriv->PrivacyAlgrthm == _NO_PRIVACY_) &&
277 (pnetwork->network.Privacy == 1))
278 ret = false;
279 else
280 ret = true;
281 return ret;
282
283 }
284
285 static int is_same_network(struct ndis_wlan_bssid_ex *src,
286 struct ndis_wlan_bssid_ex *dst)
287 {
288 u16 s_cap, d_cap;
289
290 memcpy((u8 *)&s_cap, r8712_get_capability_from_ie(src->IEs), 2);
291 memcpy((u8 *)&d_cap, r8712_get_capability_from_ie(dst->IEs), 2);
292 return (src->Ssid.SsidLength == dst->Ssid.SsidLength) &&
293 (src->Configuration.DSConfig ==
294 dst->Configuration.DSConfig) &&
295 ((!memcmp(src->MacAddress, dst->MacAddress,
296 ETH_ALEN))) &&
297 ((!memcmp(src->Ssid.Ssid,
298 dst->Ssid.Ssid,
299 src->Ssid.SsidLength))) &&
300 ((s_cap & WLAN_CAPABILITY_IBSS) ==
301 (d_cap & WLAN_CAPABILITY_IBSS)) &&
302 ((s_cap & WLAN_CAPABILITY_BSS) ==
303 (d_cap & WLAN_CAPABILITY_BSS));
304
305 }
306
307 struct wlan_network *r8712_get_oldest_wlan_network(
308 struct __queue *scanned_queue)
309 {
310 struct list_head *plist, *phead;
311 struct wlan_network *pwlan = NULL;
312 struct wlan_network *oldest = NULL;
313
314 phead = get_list_head(scanned_queue);
315 plist = get_next(phead);
316 while (1) {
317 if (end_of_queue_search(phead, plist) == true)
318 break;
319 pwlan = LIST_CONTAINOR(plist, struct wlan_network, list);
320 if (pwlan->fixed != true) {
321 if (oldest == NULL ||
322 time_after((unsigned long)oldest->last_scanned,
323 (unsigned long)pwlan->last_scanned))
324 oldest = pwlan;
325 }
326 plist = get_next(plist);
327 }
328 return oldest;
329 }
330
331 static void update_network(struct ndis_wlan_bssid_ex *dst,
332 struct ndis_wlan_bssid_ex *src,
333 struct _adapter *padapter)
334 {
335 u32 last_evm = 0, tmpVal;
336
337 if (check_fwstate(&padapter->mlmepriv, _FW_LINKED) &&
338 is_same_network(&(padapter->mlmepriv.cur_network.network), src)) {
339 if (padapter->recvpriv.signal_qual_data.total_num++ >=
340 PHY_LINKQUALITY_SLID_WIN_MAX) {
341 padapter->recvpriv.signal_qual_data.total_num =
342 PHY_LINKQUALITY_SLID_WIN_MAX;
343 last_evm = padapter->recvpriv.signal_qual_data.
344 elements[padapter->recvpriv.
345 signal_qual_data.index];
346 padapter->recvpriv.signal_qual_data.total_val -=
347 last_evm;
348 }
349 padapter->recvpriv.signal_qual_data.total_val += src->Rssi;
350
351 padapter->recvpriv.signal_qual_data.
352 elements[padapter->recvpriv.signal_qual_data.
353 index++] = src->Rssi;
354 if (padapter->recvpriv.signal_qual_data.index >=
355 PHY_LINKQUALITY_SLID_WIN_MAX)
356 padapter->recvpriv.signal_qual_data.index = 0;
357 /* <1> Showed on UI for user, in percentage. */
358 tmpVal = padapter->recvpriv.signal_qual_data.total_val /
359 padapter->recvpriv.signal_qual_data.total_num;
360 padapter->recvpriv.signal = (u8)tmpVal;
361
362 src->Rssi = padapter->recvpriv.signal;
363 } else
364 src->Rssi = (src->Rssi + dst->Rssi) / 2;
365 memcpy((u8 *)dst, (u8 *)src, r8712_get_ndis_wlan_bssid_ex_sz(src));
366 }
367
368 static void update_current_network(struct _adapter *adapter,
369 struct ndis_wlan_bssid_ex *pnetwork)
370 {
371 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
372
373 if (is_same_network(&(pmlmepriv->cur_network.network), pnetwork)) {
374 update_network(&(pmlmepriv->cur_network.network),
375 pnetwork, adapter);
376 r8712_update_protection(adapter,
377 (pmlmepriv->cur_network.network.IEs) +
378 sizeof(struct NDIS_802_11_FIXED_IEs),
379 pmlmepriv->cur_network.network.IELength);
380 }
381 }
382
383 /*
384 Caller must hold pmlmepriv->lock first.
385 */
386 static void update_scanned_network(struct _adapter *adapter,
387 struct ndis_wlan_bssid_ex *target)
388 {
389 struct list_head *plist, *phead;
390
391 u32 bssid_ex_sz;
392 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
393 struct __queue *queue = &pmlmepriv->scanned_queue;
394 struct wlan_network *pnetwork = NULL;
395 struct wlan_network *oldest = NULL;
396
397 phead = get_list_head(queue);
398 plist = get_next(phead);
399
400 while (1) {
401 if (end_of_queue_search(phead, plist) == true)
402 break;
403
404 pnetwork = LIST_CONTAINOR(plist, struct wlan_network, list);
405 if (is_same_network(&pnetwork->network, target))
406 break;
407 if ((oldest == ((struct wlan_network *)0)) ||
408 time_after((unsigned long)oldest->last_scanned,
409 (unsigned long)pnetwork->last_scanned))
410 oldest = pnetwork;
411
412 plist = get_next(plist);
413 }
414
415
416 /* If we didn't find a match, then get a new network slot to initialize
417 * with this beacon's information */
418 if (end_of_queue_search(phead, plist) == true) {
419 if (_queue_empty(&pmlmepriv->free_bss_pool) == true) {
420 /* If there are no more slots, expire the oldest */
421 pnetwork = oldest;
422 target->Rssi = (pnetwork->network.Rssi +
423 target->Rssi) / 2;
424 memcpy(&pnetwork->network, target,
425 r8712_get_ndis_wlan_bssid_ex_sz(target));
426 pnetwork->last_scanned = jiffies;
427 } else {
428 /* Otherwise just pull from the free list */
429 /* update scan_time */
430 pnetwork = alloc_network(pmlmepriv);
431 if (pnetwork == NULL)
432 return;
433 bssid_ex_sz = r8712_get_ndis_wlan_bssid_ex_sz(target);
434 target->Length = bssid_ex_sz;
435 memcpy(&pnetwork->network, target, bssid_ex_sz);
436 list_insert_tail(&pnetwork->list, &queue->queue);
437 }
438 } else {
439 /* we have an entry and we are going to update it. But
440 * this entry may be already expired. In this case we
441 * do the same as we found a new net and call the new_net
442 * handler
443 */
444 update_network(&pnetwork->network, target, adapter);
445 pnetwork->last_scanned = jiffies;
446 }
447 }
448
449 static void rtl8711_add_network(struct _adapter *adapter,
450 struct ndis_wlan_bssid_ex *pnetwork)
451 {
452 unsigned long irqL;
453 struct mlme_priv *pmlmepriv = &(((struct _adapter *)adapter)->mlmepriv);
454 struct __queue *queue = &pmlmepriv->scanned_queue;
455
456 spin_lock_irqsave(&queue->lock, irqL);
457 update_current_network(adapter, pnetwork);
458 update_scanned_network(adapter, pnetwork);
459 spin_unlock_irqrestore(&queue->lock, irqL);
460 }
461
462 /*select the desired network based on the capability of the (i)bss.
463 * check items: (1) security
464 * (2) network_type
465 * (3) WMM
466 * (4) HT
467 * (5) others
468 */
469 static int is_desired_network(struct _adapter *adapter,
470 struct wlan_network *pnetwork)
471 {
472 u8 wps_ie[512];
473 uint wps_ielen;
474 int bselected = true;
475 struct security_priv *psecuritypriv = &adapter->securitypriv;
476
477 if (psecuritypriv->wps_phase == true) {
478 if (r8712_get_wps_ie(pnetwork->network.IEs,
479 pnetwork->network.IELength, wps_ie,
480 &wps_ielen) == true)
481 return true;
482 else
483 return false;
484 }
485 if ((psecuritypriv->PrivacyAlgrthm != _NO_PRIVACY_) &&
486 (pnetwork->network.Privacy == 0))
487 bselected = false;
488 return bselected;
489 }
490
491 /* TODO: Perry : For Power Management */
492 void r8712_atimdone_event_callback(struct _adapter *adapter , u8 *pbuf)
493 {
494 }
495
496 void r8712_survey_event_callback(struct _adapter *adapter, u8 *pbuf)
497 {
498 unsigned long flags;
499 u32 len;
500 struct ndis_wlan_bssid_ex *pnetwork;
501 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
502
503 pnetwork = (struct ndis_wlan_bssid_ex *)pbuf;
504 #ifdef __BIG_ENDIAN
505 /* endian_convert */
506 pnetwork->Length = le32_to_cpu(pnetwork->Length);
507 pnetwork->Ssid.SsidLength = le32_to_cpu(pnetwork->Ssid.SsidLength);
508 pnetwork->Privacy = le32_to_cpu(pnetwork->Privacy);
509 pnetwork->Rssi = le32_to_cpu(pnetwork->Rssi);
510 pnetwork->NetworkTypeInUse = le32_to_cpu(pnetwork->NetworkTypeInUse);
511 pnetwork->Configuration.ATIMWindow =
512 le32_to_cpu(pnetwork->Configuration.ATIMWindow);
513 pnetwork->Configuration.BeaconPeriod =
514 le32_to_cpu(pnetwork->Configuration.BeaconPeriod);
515 pnetwork->Configuration.DSConfig =
516 le32_to_cpu(pnetwork->Configuration.DSConfig);
517 pnetwork->Configuration.FHConfig.DwellTime =
518 le32_to_cpu(pnetwork->Configuration.FHConfig.DwellTime);
519 pnetwork->Configuration.FHConfig.HopPattern =
520 le32_to_cpu(pnetwork->Configuration.FHConfig.HopPattern);
521 pnetwork->Configuration.FHConfig.HopSet =
522 le32_to_cpu(pnetwork->Configuration.FHConfig.HopSet);
523 pnetwork->Configuration.FHConfig.Length =
524 le32_to_cpu(pnetwork->Configuration.FHConfig.Length);
525 pnetwork->Configuration.Length =
526 le32_to_cpu(pnetwork->Configuration.Length);
527 pnetwork->InfrastructureMode =
528 le32_to_cpu(pnetwork->InfrastructureMode);
529 pnetwork->IELength = le32_to_cpu(pnetwork->IELength);
530 #endif
531 len = r8712_get_ndis_wlan_bssid_ex_sz(pnetwork);
532 if (len > sizeof(struct wlan_bssid_ex))
533 return;
534 spin_lock_irqsave(&pmlmepriv->lock2, flags);
535 /* update IBSS_network 's timestamp */
536 if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == true) {
537 if (!memcmp(&(pmlmepriv->cur_network.network.MacAddress),
538 pnetwork->MacAddress, ETH_ALEN)) {
539 struct wlan_network *ibss_wlan = NULL;
540
541 memcpy(pmlmepriv->cur_network.network.IEs,
542 pnetwork->IEs, 8);
543 ibss_wlan = r8712_find_network(
544 &pmlmepriv->scanned_queue,
545 pnetwork->MacAddress);
546 if (!ibss_wlan) {
547 memcpy(ibss_wlan->network.IEs,
548 pnetwork->IEs, 8);
549 goto exit;
550 }
551 }
552 }
553 /* lock pmlmepriv->lock when you accessing network_q */
554 if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING) == false) {
555 if (pnetwork->Ssid.Ssid[0] != 0)
556 rtl8711_add_network(adapter, pnetwork);
557 else {
558 pnetwork->Ssid.SsidLength = 8;
559 memcpy(pnetwork->Ssid.Ssid, "<hidden>", 8);
560 rtl8711_add_network(adapter, pnetwork);
561 }
562 }
563 exit:
564 spin_unlock_irqrestore(&pmlmepriv->lock2, flags);
565 }
566
567 void r8712_surveydone_event_callback(struct _adapter *adapter, u8 *pbuf)
568 {
569 unsigned long irqL;
570 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
571
572 spin_lock_irqsave(&pmlmepriv->lock, irqL);
573
574 if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY) == true) {
575 u8 timer_cancelled;
576
577 _cancel_timer(&pmlmepriv->scan_to_timer, &timer_cancelled);
578
579 _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY);
580 }
581
582 if (pmlmepriv->to_join == true) {
583 if ((check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true)) {
584 if (check_fwstate(pmlmepriv, _FW_LINKED) == false) {
585 set_fwstate(pmlmepriv, _FW_UNDER_LINKING);
586
587 if (r8712_select_and_join_from_scan(pmlmepriv)
588 == _SUCCESS)
589 _set_timer(&pmlmepriv->assoc_timer,
590 MAX_JOIN_TIMEOUT);
591 else {
592 struct wlan_bssid_ex *pdev_network =
593 &(adapter->registrypriv.dev_network);
594 u8 *pibss =
595 adapter->registrypriv.
596 dev_network.MacAddress;
597 pmlmepriv->fw_state ^= _FW_UNDER_SURVEY;
598 memset(&pdev_network->Ssid, 0,
599 sizeof(struct
600 ndis_802_11_ssid));
601 memcpy(&pdev_network->Ssid,
602 &pmlmepriv->assoc_ssid,
603 sizeof(struct
604 ndis_802_11_ssid));
605 r8712_update_registrypriv_dev_network
606 (adapter);
607 r8712_generate_random_ibss(pibss);
608 pmlmepriv->fw_state =
609 WIFI_ADHOC_MASTER_STATE;
610 pmlmepriv->to_join = false;
611 }
612 }
613 } else {
614 pmlmepriv->to_join = false;
615 set_fwstate(pmlmepriv, _FW_UNDER_LINKING);
616 if (r8712_select_and_join_from_scan(pmlmepriv) ==
617 _SUCCESS)
618 _set_timer(&pmlmepriv->assoc_timer,
619 MAX_JOIN_TIMEOUT);
620 else
621 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
622 }
623 }
624 spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
625 }
626
627 /*
628 *r8712_free_assoc_resources: the caller has to lock pmlmepriv->lock
629 */
630 void r8712_free_assoc_resources(struct _adapter *adapter)
631 {
632 unsigned long irqL;
633 struct wlan_network *pwlan = NULL;
634 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
635 struct sta_priv *pstapriv = &adapter->stapriv;
636 struct wlan_network *tgt_network = &pmlmepriv->cur_network;
637
638 pwlan = r8712_find_network(&pmlmepriv->scanned_queue,
639 tgt_network->network.MacAddress);
640
641 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE|WIFI_AP_STATE)) {
642 struct sta_info *psta;
643
644 psta = r8712_get_stainfo(&adapter->stapriv,
645 tgt_network->network.MacAddress);
646
647 spin_lock_irqsave(&pstapriv->sta_hash_lock, irqL);
648 r8712_free_stainfo(adapter, psta);
649 spin_unlock_irqrestore(&pstapriv->sta_hash_lock, irqL);
650 }
651
652 if (check_fwstate(pmlmepriv,
653 WIFI_ADHOC_STATE|WIFI_ADHOC_MASTER_STATE|WIFI_AP_STATE))
654 r8712_free_all_stainfo(adapter);
655 if (pwlan)
656 pwlan->fixed = false;
657
658 if (((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) &&
659 (adapter->stapriv.asoc_sta_count == 1)))
660 free_network_nolock(pmlmepriv, pwlan);
661 }
662
663 /*
664 *r8712_indicate_connect: the caller has to lock pmlmepriv->lock
665 */
666 void r8712_indicate_connect(struct _adapter *padapter)
667 {
668 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
669
670 pmlmepriv->to_join = false;
671 set_fwstate(pmlmepriv, _FW_LINKED);
672 padapter->ledpriv.LedControlHandler(padapter, LED_CTL_LINK);
673 r8712_os_indicate_connect(padapter);
674 if (padapter->registrypriv.power_mgnt > PS_MODE_ACTIVE)
675 _set_timer(&pmlmepriv->dhcp_timer, 60000);
676 }
677
678
679 /*
680 *r8712_ind_disconnect: the caller has to lock pmlmepriv->lock
681 */
682 void r8712_ind_disconnect(struct _adapter *padapter)
683 {
684 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
685
686 _clr_fwstate_(pmlmepriv, _FW_LINKED);
687 padapter->ledpriv.LedControlHandler(padapter, LED_CTL_NO_LINK);
688 r8712_os_indicate_disconnect(padapter);
689 if (padapter->pwrctrlpriv.pwr_mode !=
690 padapter->registrypriv.power_mgnt) {
691 _cancel_timer_ex(&pmlmepriv->dhcp_timer);
692 r8712_set_ps_mode(padapter, padapter->registrypriv.power_mgnt,
693 padapter->registrypriv.smart_ps);
694 }
695 }
696
697 /*Notes:
698 *pnetwork : returns from r8712_joinbss_event_callback
699 *ptarget_wlan: found from scanned_queue
700 *if join_res > 0, for (fw_state==WIFI_STATION_STATE), we check if
701 * "ptarget_sta" & "ptarget_wlan" exist.
702 *if join_res > 0, for (fw_state==WIFI_ADHOC_STATE), we only check
703 * if "ptarget_wlan" exist.
704 *if join_res > 0, update "cur_network->network" from
705 * "pnetwork->network" if (ptarget_wlan !=NULL).
706 */
707 void r8712_joinbss_event_callback(struct _adapter *adapter, u8 *pbuf)
708 {
709 unsigned long irqL = 0, irqL2;
710 u8 timer_cancelled;
711 struct sta_info *ptarget_sta = NULL, *pcur_sta = NULL;
712 struct sta_priv *pstapriv = &adapter->stapriv;
713 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
714 struct wlan_network *cur_network = &pmlmepriv->cur_network;
715 struct wlan_network *pcur_wlan = NULL, *ptarget_wlan = NULL;
716 unsigned int the_same_macaddr = false;
717 struct wlan_network *pnetwork;
718
719 if (sizeof(struct list_head) == 4 * sizeof(u32)) {
720 pnetwork = (struct wlan_network *)
721 _malloc(sizeof(struct wlan_network));
722 memcpy((u8 *)pnetwork+16, (u8 *)pbuf + 8,
723 sizeof(struct wlan_network) - 16);
724 } else
725 pnetwork = (struct wlan_network *)pbuf;
726
727 #ifdef __BIG_ENDIAN
728 /* endian_convert */
729 pnetwork->join_res = le32_to_cpu(pnetwork->join_res);
730 pnetwork->network_type = le32_to_cpu(pnetwork->network_type);
731 pnetwork->network.Length = le32_to_cpu(pnetwork->network.Length);
732 pnetwork->network.Ssid.SsidLength =
733 le32_to_cpu(pnetwork->network.Ssid.SsidLength);
734 pnetwork->network.Privacy = le32_to_cpu(pnetwork->network.Privacy);
735 pnetwork->network.Rssi = le32_to_cpu(pnetwork->network.Rssi);
736 pnetwork->network.NetworkTypeInUse =
737 le32_to_cpu(pnetwork->network.NetworkTypeInUse);
738 pnetwork->network.Configuration.ATIMWindow =
739 le32_to_cpu(pnetwork->network.Configuration.ATIMWindow);
740 pnetwork->network.Configuration.BeaconPeriod =
741 le32_to_cpu(pnetwork->network.Configuration.BeaconPeriod);
742 pnetwork->network.Configuration.DSConfig =
743 le32_to_cpu(pnetwork->network.Configuration.DSConfig);
744 pnetwork->network.Configuration.FHConfig.DwellTime =
745 le32_to_cpu(pnetwork->network.Configuration.FHConfig.
746 DwellTime);
747 pnetwork->network.Configuration.FHConfig.HopPattern =
748 le32_to_cpu(pnetwork->network.Configuration.
749 FHConfig.HopPattern);
750 pnetwork->network.Configuration.FHConfig.HopSet =
751 le32_to_cpu(pnetwork->network.Configuration.FHConfig.HopSet);
752 pnetwork->network.Configuration.FHConfig.Length =
753 le32_to_cpu(pnetwork->network.Configuration.FHConfig.Length);
754 pnetwork->network.Configuration.Length =
755 le32_to_cpu(pnetwork->network.Configuration.Length);
756 pnetwork->network.InfrastructureMode =
757 le32_to_cpu(pnetwork->network.InfrastructureMode);
758 pnetwork->network.IELength = le32_to_cpu(pnetwork->network.IELength);
759 #endif
760
761 the_same_macaddr = !memcmp(pnetwork->network.MacAddress,
762 cur_network->network.MacAddress, ETH_ALEN);
763 pnetwork->network.Length =
764 r8712_get_ndis_wlan_bssid_ex_sz(&pnetwork->network);
765 spin_lock_irqsave(&pmlmepriv->lock, irqL);
766 if (pnetwork->network.Length > sizeof(struct wlan_bssid_ex))
767 goto ignore_joinbss_callback;
768 if (pnetwork->join_res > 0) {
769 if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING) == true) {
770 /*s1. find ptarget_wlan*/
771 if (check_fwstate(pmlmepriv, _FW_LINKED) == true) {
772 if (the_same_macaddr == true)
773 ptarget_wlan =
774 r8712_find_network(&pmlmepriv->
775 scanned_queue,
776 cur_network->network.MacAddress);
777 else {
778 pcur_wlan =
779 r8712_find_network(&pmlmepriv->
780 scanned_queue,
781 cur_network->network.MacAddress);
782 pcur_wlan->fixed = false;
783
784 pcur_sta = r8712_get_stainfo(pstapriv,
785 cur_network->network.MacAddress);
786 spin_lock_irqsave(&pstapriv->
787 sta_hash_lock, irqL2);
788 r8712_free_stainfo(adapter, pcur_sta);
789 spin_unlock_irqrestore(&(pstapriv->
790 sta_hash_lock), irqL2);
791
792 ptarget_wlan =
793 r8712_find_network(&pmlmepriv->
794 scanned_queue,
795 pnetwork->network.
796 MacAddress);
797 if (ptarget_wlan)
798 ptarget_wlan->fixed = true;
799 }
800 } else {
801 ptarget_wlan = r8712_find_network(&pmlmepriv->
802 scanned_queue,
803 pnetwork->network.MacAddress);
804 if (ptarget_wlan)
805 ptarget_wlan->fixed = true;
806 }
807
808 if (ptarget_wlan == NULL) {
809 if (check_fwstate(pmlmepriv,
810 _FW_UNDER_LINKING))
811 pmlmepriv->fw_state ^=
812 _FW_UNDER_LINKING;
813 goto ignore_joinbss_callback;
814 }
815
816 /*s2. find ptarget_sta & update ptarget_sta*/
817 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
818 if (the_same_macaddr == true) {
819 ptarget_sta =
820 r8712_get_stainfo(pstapriv,
821 pnetwork->network.MacAddress);
822 if (ptarget_sta == NULL)
823 ptarget_sta =
824 r8712_alloc_stainfo(pstapriv,
825 pnetwork->network.MacAddress);
826 } else
827 ptarget_sta =
828 r8712_alloc_stainfo(pstapriv,
829 pnetwork->network.MacAddress);
830 if (ptarget_sta) /*update ptarget_sta*/ {
831 ptarget_sta->aid = pnetwork->join_res;
832 ptarget_sta->qos_option = 1;
833 ptarget_sta->mac_id = 5;
834 if (adapter->securitypriv.
835 AuthAlgrthm == 2) {
836 adapter->securitypriv.
837 binstallGrpkey =
838 false;
839 adapter->securitypriv.
840 busetkipkey =
841 false;
842 adapter->securitypriv.
843 bgrpkey_handshake =
844 false;
845 ptarget_sta->ieee8021x_blocked
846 = true;
847 ptarget_sta->XPrivacy =
848 adapter->securitypriv.
849 PrivacyAlgrthm;
850 memset((u8 *)&ptarget_sta->
851 x_UncstKey,
852 0,
853 sizeof(union Keytype));
854 memset((u8 *)&ptarget_sta->
855 tkiprxmickey,
856 0,
857 sizeof(union Keytype));
858 memset((u8 *)&ptarget_sta->
859 tkiptxmickey,
860 0,
861 sizeof(union Keytype));
862 memset((u8 *)&ptarget_sta->
863 txpn, 0,
864 sizeof(union pn48));
865 memset((u8 *)&ptarget_sta->
866 rxpn, 0,
867 sizeof(union pn48));
868 }
869 } else {
870 if (check_fwstate(pmlmepriv,
871 _FW_UNDER_LINKING))
872 pmlmepriv->fw_state ^=
873 _FW_UNDER_LINKING;
874 goto ignore_joinbss_callback;
875 }
876 }
877
878 /*s3. update cur_network & indicate connect*/
879 memcpy(&cur_network->network, &pnetwork->network,
880 pnetwork->network.Length);
881 cur_network->aid = pnetwork->join_res;
882 /*update fw_state will clr _FW_UNDER_LINKING*/
883 switch (pnetwork->network.InfrastructureMode) {
884 case Ndis802_11Infrastructure:
885 pmlmepriv->fw_state = WIFI_STATION_STATE;
886 break;
887 case Ndis802_11IBSS:
888 pmlmepriv->fw_state = WIFI_ADHOC_STATE;
889 break;
890 default:
891 pmlmepriv->fw_state = WIFI_NULL_STATE;
892 break;
893 }
894 r8712_update_protection(adapter,
895 (cur_network->network.IEs) +
896 sizeof(struct NDIS_802_11_FIXED_IEs),
897 (cur_network->network.IELength));
898 /*TODO: update HT_Capability*/
899 update_ht_cap(adapter, cur_network->network.IEs,
900 cur_network->network.IELength);
901 /*indicate connect*/
902 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)
903 == true)
904 r8712_indicate_connect(adapter);
905 _cancel_timer(&pmlmepriv->assoc_timer,
906 &timer_cancelled);
907 } else
908 goto ignore_joinbss_callback;
909 } else {
910 if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING) == true) {
911 _set_timer(&pmlmepriv->assoc_timer, 1);
912 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
913 }
914 }
915 ignore_joinbss_callback:
916 spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
917 if (sizeof(struct list_head) == 4 * sizeof(u32))
918 kfree((u8 *)pnetwork);
919 }
920
921 void r8712_stassoc_event_callback(struct _adapter *adapter, u8 *pbuf)
922 {
923 unsigned long irqL;
924 struct sta_info *psta;
925 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
926 struct stassoc_event *pstassoc = (struct stassoc_event *)pbuf;
927
928 /* to do: */
929 if (r8712_access_ctrl(&adapter->acl_list, pstassoc->macaddr) == false)
930 return;
931 psta = r8712_get_stainfo(&adapter->stapriv, pstassoc->macaddr);
932 if (psta != NULL) {
933 /*the sta have been in sta_info_queue => do nothing
934 *(between drv has received this event before and
935 * fw have not yet to set key to CAM_ENTRY) */
936 return;
937 }
938
939 psta = r8712_alloc_stainfo(&adapter->stapriv, pstassoc->macaddr);
940 if (psta == NULL)
941 return;
942 /* to do : init sta_info variable */
943 psta->qos_option = 0;
944 psta->mac_id = le32_to_cpu((uint)pstassoc->cam_id);
945 /* psta->aid = (uint)pstassoc->cam_id; */
946
947 if (adapter->securitypriv.AuthAlgrthm == 2)
948 psta->XPrivacy = adapter->securitypriv.PrivacyAlgrthm;
949 psta->ieee8021x_blocked = false;
950 spin_lock_irqsave(&pmlmepriv->lock, irqL);
951 if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == true) ||
952 (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true)) {
953 if (adapter->stapriv.asoc_sta_count == 2) {
954 /* a sta + bc/mc_stainfo (not Ibss_stainfo) */
955 r8712_indicate_connect(adapter);
956 }
957 }
958 spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
959 }
960
961 void r8712_stadel_event_callback(struct _adapter *adapter, u8 *pbuf)
962 {
963 unsigned long irqL, irqL2;
964 struct sta_info *psta;
965 struct wlan_network *pwlan = NULL;
966 struct wlan_bssid_ex *pdev_network = NULL;
967 u8 *pibss = NULL;
968 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
969 struct stadel_event *pstadel = (struct stadel_event *)pbuf;
970 struct sta_priv *pstapriv = &adapter->stapriv;
971 struct wlan_network *tgt_network = &pmlmepriv->cur_network;
972
973 spin_lock_irqsave(&pmlmepriv->lock, irqL2);
974 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
975 r8712_ind_disconnect(adapter);
976 r8712_free_assoc_resources(adapter);
977 }
978 if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE |
979 WIFI_ADHOC_STATE)) {
980 psta = r8712_get_stainfo(&adapter->stapriv, pstadel->macaddr);
981 spin_lock_irqsave(&pstapriv->sta_hash_lock, irqL);
982 r8712_free_stainfo(adapter, psta);
983 spin_unlock_irqrestore(&pstapriv->sta_hash_lock, irqL);
984 if (adapter->stapriv.asoc_sta_count == 1) {
985 /*a sta + bc/mc_stainfo (not Ibss_stainfo) */
986 pwlan = r8712_find_network(&pmlmepriv->scanned_queue,
987 tgt_network->network.MacAddress);
988 if (pwlan) {
989 pwlan->fixed = false;
990 free_network_nolock(pmlmepriv, pwlan);
991 }
992 /*re-create ibss*/
993 pdev_network = &(adapter->registrypriv.dev_network);
994 pibss = adapter->registrypriv.dev_network.MacAddress;
995 memcpy(pdev_network, &tgt_network->network,
996 r8712_get_ndis_wlan_bssid_ex_sz(&tgt_network->
997 network));
998 memset(&pdev_network->Ssid, 0,
999 sizeof(struct ndis_802_11_ssid));
1000 memcpy(&pdev_network->Ssid,
1001 &pmlmepriv->assoc_ssid,
1002 sizeof(struct ndis_802_11_ssid));
1003 r8712_update_registrypriv_dev_network(adapter);
1004 r8712_generate_random_ibss(pibss);
1005 if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) {
1006 _clr_fwstate_(pmlmepriv, WIFI_ADHOC_STATE);
1007 set_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE);
1008 }
1009 }
1010 }
1011 spin_unlock_irqrestore(&pmlmepriv->lock, irqL2);
1012 }
1013
1014 void r8712_cpwm_event_callback(struct _adapter *adapter, u8 *pbuf)
1015 {
1016 struct reportpwrstate_parm *preportpwrstate =
1017 (struct reportpwrstate_parm *)pbuf;
1018
1019 preportpwrstate->state |= (u8)(adapter->pwrctrlpriv.cpwm_tog + 0x80);
1020 r8712_cpwm_int_hdl(adapter, preportpwrstate);
1021 }
1022
1023 /* When the Netgear 3500 AP is with WPA2PSK-AES mode, it will send
1024 * the ADDBA req frame with start seq control = 0 to wifi client after
1025 * the WPA handshake and the seqence number of following data packet
1026 * will be 0. In this case, the Rx reorder sequence is not longer than 0
1027 * and the WiFi client will drop the data with seq number 0.
1028 * So, the 8712 firmware has to inform driver with receiving the
1029 * ADDBA-Req frame so that the driver can reset the
1030 * sequence value of Rx reorder contorl.
1031 */
1032 void r8712_got_addbareq_event_callback(struct _adapter *adapter, u8 *pbuf)
1033 {
1034 struct ADDBA_Req_Report_parm *pAddbareq_pram =
1035 (struct ADDBA_Req_Report_parm *)pbuf;
1036 struct sta_info *psta;
1037 struct sta_priv *pstapriv = &adapter->stapriv;
1038 struct recv_reorder_ctrl *precvreorder_ctrl = NULL;
1039
1040 printk(KERN_INFO "r8712u: [%s] mac = %pM, seq = %d, tid = %d\n",
1041 __func__, pAddbareq_pram->MacAddress,
1042 pAddbareq_pram->StartSeqNum, pAddbareq_pram->tid);
1043 psta = r8712_get_stainfo(pstapriv, pAddbareq_pram->MacAddress);
1044 if (psta) {
1045 precvreorder_ctrl =
1046 &psta->recvreorder_ctrl[pAddbareq_pram->tid];
1047 /* set the indicate_seq to 0xffff so that the rx reorder
1048 * can store any following data packet.
1049 */
1050 precvreorder_ctrl->indicate_seq = 0xffff;
1051 }
1052 }
1053
1054 void r8712_wpspbc_event_callback(struct _adapter *adapter, u8 *pbuf)
1055 {
1056 if (adapter->securitypriv.wps_hw_pbc_pressed == false)
1057 adapter->securitypriv.wps_hw_pbc_pressed = true;
1058 }
1059
1060 void _r8712_sitesurvey_ctrl_handler(struct _adapter *adapter)
1061 {
1062 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1063 struct sitesurvey_ctrl *psitesurveyctrl = &pmlmepriv->sitesurveyctrl;
1064 struct registry_priv *pregistrypriv = &adapter->registrypriv;
1065 u64 current_tx_pkts;
1066 uint current_rx_pkts;
1067
1068 current_tx_pkts = (adapter->xmitpriv.tx_pkts) -
1069 (psitesurveyctrl->last_tx_pkts);
1070 current_rx_pkts = (adapter->recvpriv.rx_pkts) -
1071 (psitesurveyctrl->last_rx_pkts);
1072 psitesurveyctrl->last_tx_pkts = adapter->xmitpriv.tx_pkts;
1073 psitesurveyctrl->last_rx_pkts = adapter->recvpriv.rx_pkts;
1074 if ((current_tx_pkts > pregistrypriv->busy_thresh) ||
1075 (current_rx_pkts > pregistrypriv->busy_thresh))
1076 psitesurveyctrl->traffic_busy = true;
1077 else
1078 psitesurveyctrl->traffic_busy = false;
1079 }
1080
1081 void _r8712_join_timeout_handler(struct _adapter *adapter)
1082 {
1083 unsigned long irqL;
1084 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1085
1086 if (adapter->bDriverStopped || adapter->bSurpriseRemoved)
1087 return;
1088 spin_lock_irqsave(&pmlmepriv->lock, irqL);
1089 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
1090 pmlmepriv->to_join = false;
1091 if (check_fwstate(pmlmepriv, _FW_LINKED) == true) {
1092 r8712_os_indicate_disconnect(adapter);
1093 _clr_fwstate_(pmlmepriv, _FW_LINKED);
1094 }
1095 if (adapter->pwrctrlpriv.pwr_mode != adapter->registrypriv.power_mgnt) {
1096 r8712_set_ps_mode(adapter, adapter->registrypriv.power_mgnt,
1097 adapter->registrypriv.smart_ps);
1098 }
1099 spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
1100 }
1101
1102 void r8712_scan_timeout_handler (struct _adapter *adapter)
1103 {
1104 unsigned long irqL;
1105 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1106
1107 spin_lock_irqsave(&pmlmepriv->lock, irqL);
1108 _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY);
1109 pmlmepriv->to_join = false; /* scan fail, so clear to_join flag */
1110 spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
1111 }
1112
1113 void _r8712_dhcp_timeout_handler (struct _adapter *adapter)
1114 {
1115 if (adapter->bDriverStopped || adapter->bSurpriseRemoved)
1116 return;
1117 if (adapter->pwrctrlpriv.pwr_mode != adapter->registrypriv.power_mgnt)
1118 r8712_set_ps_mode(adapter, adapter->registrypriv.power_mgnt,
1119 adapter->registrypriv.smart_ps);
1120 }
1121
1122 void _r8712_wdg_timeout_handler(struct _adapter *adapter)
1123 {
1124 r8712_wdg_wk_cmd(adapter);
1125 }
1126
1127 int r8712_select_and_join_from_scan(struct mlme_priv *pmlmepriv)
1128 {
1129 struct list_head *phead;
1130 unsigned char *dst_ssid, *src_ssid;
1131 struct _adapter *adapter;
1132 struct __queue *queue = NULL;
1133 struct wlan_network *pnetwork = NULL;
1134 struct wlan_network *pnetwork_max_rssi = NULL;
1135
1136 adapter = (struct _adapter *)pmlmepriv->nic_hdl;
1137 queue = &pmlmepriv->scanned_queue;
1138 phead = get_list_head(queue);
1139 pmlmepriv->pscanned = get_next(phead);
1140 while (1) {
1141 if (end_of_queue_search(phead, pmlmepriv->pscanned) == true) {
1142 if ((pmlmepriv->assoc_by_rssi == true) &&
1143 (pnetwork_max_rssi != NULL)) {
1144 pnetwork = pnetwork_max_rssi;
1145 goto ask_for_joinbss;
1146 }
1147 return _FAIL;
1148 }
1149 pnetwork = LIST_CONTAINOR(pmlmepriv->pscanned,
1150 struct wlan_network, list);
1151 if (pnetwork == NULL)
1152 return _FAIL;
1153 pmlmepriv->pscanned = get_next(pmlmepriv->pscanned);
1154 if (pmlmepriv->assoc_by_bssid == true) {
1155 dst_ssid = pnetwork->network.MacAddress;
1156 src_ssid = pmlmepriv->assoc_bssid;
1157 if (!memcmp(dst_ssid, src_ssid, ETH_ALEN)) {
1158 if (check_fwstate(pmlmepriv, _FW_LINKED)) {
1159 if (is_same_network(&pmlmepriv->
1160 cur_network.network,
1161 &pnetwork->network)) {
1162 _clr_fwstate_(pmlmepriv,
1163 _FW_UNDER_LINKING);
1164 /*r8712_indicate_connect again*/
1165 r8712_indicate_connect(adapter);
1166 return 2;
1167 }
1168 r8712_disassoc_cmd(adapter);
1169 r8712_ind_disconnect(adapter);
1170 r8712_free_assoc_resources(adapter);
1171 }
1172 goto ask_for_joinbss;
1173 }
1174 } else if (pmlmepriv->assoc_ssid.SsidLength == 0)
1175 goto ask_for_joinbss;
1176 dst_ssid = pnetwork->network.Ssid.Ssid;
1177 src_ssid = pmlmepriv->assoc_ssid.Ssid;
1178 if ((pnetwork->network.Ssid.SsidLength ==
1179 pmlmepriv->assoc_ssid.SsidLength) &&
1180 (!memcmp(dst_ssid, src_ssid,
1181 pmlmepriv->assoc_ssid.SsidLength))) {
1182 if (pmlmepriv->assoc_by_rssi == true) {
1183 /* if the ssid is the same, select the bss
1184 * which has the max rssi*/
1185 if (pnetwork_max_rssi) {
1186 if (pnetwork->network.Rssi >
1187 pnetwork_max_rssi->network.Rssi)
1188 pnetwork_max_rssi = pnetwork;
1189 } else
1190 pnetwork_max_rssi = pnetwork;
1191 } else if (is_desired_network(adapter, pnetwork)) {
1192 if (check_fwstate(pmlmepriv, _FW_LINKED)) {
1193 r8712_disassoc_cmd(adapter);
1194 r8712_free_assoc_resources(adapter);
1195 }
1196 goto ask_for_joinbss;
1197 }
1198 }
1199 }
1200 return _FAIL;
1201 ask_for_joinbss:
1202 return r8712_joinbss_cmd(adapter, pnetwork);
1203 }
1204
1205 sint r8712_set_auth(struct _adapter *adapter,
1206 struct security_priv *psecuritypriv)
1207 {
1208 struct cmd_priv *pcmdpriv = &adapter->cmdpriv;
1209 struct cmd_obj *pcmd;
1210 struct setauth_parm *psetauthparm;
1211 sint ret = _SUCCESS;
1212
1213 pcmd = (struct cmd_obj *)_malloc(sizeof(struct cmd_obj));
1214 if (pcmd == NULL)
1215 return _FAIL;
1216
1217 psetauthparm = (struct setauth_parm *)_malloc(
1218 sizeof(struct setauth_parm));
1219 if (psetauthparm == NULL) {
1220 kfree((unsigned char *)pcmd);
1221 return _FAIL;
1222 }
1223 memset(psetauthparm, 0, sizeof(struct setauth_parm));
1224 psetauthparm->mode = (u8)psecuritypriv->AuthAlgrthm;
1225 pcmd->cmdcode = _SetAuth_CMD_;
1226 pcmd->parmbuf = (unsigned char *)psetauthparm;
1227 pcmd->cmdsz = sizeof(struct setauth_parm);
1228 pcmd->rsp = NULL;
1229 pcmd->rspsz = 0;
1230 _init_listhead(&pcmd->list);
1231 r8712_enqueue_cmd(pcmdpriv, pcmd);
1232 return ret;
1233 }
1234
1235 sint r8712_set_key(struct _adapter *adapter,
1236 struct security_priv *psecuritypriv,
1237 sint keyid)
1238 {
1239 struct cmd_priv *pcmdpriv = &adapter->cmdpriv;
1240 struct cmd_obj *pcmd;
1241 struct setkey_parm *psetkeyparm;
1242 u8 keylen;
1243
1244 pcmd = (struct cmd_obj *)_malloc(sizeof(struct cmd_obj));
1245 if (pcmd == NULL)
1246 return _FAIL;
1247 psetkeyparm = (struct setkey_parm *)_malloc(sizeof(struct setkey_parm));
1248 if (psetkeyparm == NULL) {
1249 kfree((unsigned char *)pcmd);
1250 return _FAIL;
1251 }
1252 memset(psetkeyparm, 0, sizeof(struct setkey_parm));
1253 if (psecuritypriv->AuthAlgrthm == 2) { /* 802.1X */
1254 psetkeyparm->algorithm =
1255 (u8)psecuritypriv->XGrpPrivacy;
1256 } else { /* WEP */
1257 psetkeyparm->algorithm =
1258 (u8)psecuritypriv->PrivacyAlgrthm;
1259 }
1260 psetkeyparm->keyid = (u8)keyid;
1261
1262 switch (psetkeyparm->algorithm) {
1263 case _WEP40_:
1264 keylen = 5;
1265 memcpy(psetkeyparm->key,
1266 psecuritypriv->DefKey[keyid].skey, keylen);
1267 break;
1268 case _WEP104_:
1269 keylen = 13;
1270 memcpy(psetkeyparm->key,
1271 psecuritypriv->DefKey[keyid].skey, keylen);
1272 break;
1273 case _TKIP_:
1274 keylen = 16;
1275 memcpy(psetkeyparm->key,
1276 &psecuritypriv->XGrpKey[keyid - 1], keylen);
1277 psetkeyparm->grpkey = 1;
1278 break;
1279 case _AES_:
1280 keylen = 16;
1281 memcpy(psetkeyparm->key,
1282 &psecuritypriv->XGrpKey[keyid - 1], keylen);
1283 psetkeyparm->grpkey = 1;
1284 break;
1285 default:
1286 return _FAIL;
1287 }
1288 pcmd->cmdcode = _SetKey_CMD_;
1289 pcmd->parmbuf = (u8 *)psetkeyparm;
1290 pcmd->cmdsz = (sizeof(struct setkey_parm));
1291 pcmd->rsp = NULL;
1292 pcmd->rspsz = 0;
1293 _init_listhead(&pcmd->list);
1294 r8712_enqueue_cmd(pcmdpriv, pcmd);
1295 return _SUCCESS;
1296 }
1297
1298 /* adjust IEs for r8712_joinbss_cmd in WMM */
1299 int r8712_restruct_wmm_ie(struct _adapter *adapter, u8 *in_ie, u8 *out_ie,
1300 uint in_len, uint initial_out_len)
1301 {
1302 unsigned int ielength = 0;
1303 unsigned int i, j;
1304
1305 i = 12; /* after the fixed IE */
1306 while (i < in_len) {
1307 ielength = initial_out_len;
1308 if (in_ie[i] == 0xDD && in_ie[i + 2] == 0x00 &&
1309 in_ie[i + 3] == 0x50 && in_ie[i + 4] == 0xF2 &&
1310 in_ie[i + 5] == 0x02 && i + 5 < in_len) {
1311 /*WMM element ID and OUI*/
1312 for (j = i; j < i + 9; j++) {
1313 out_ie[ielength] = in_ie[j];
1314 ielength++;
1315 }
1316 out_ie[initial_out_len + 1] = 0x07;
1317 out_ie[initial_out_len + 6] = 0x00;
1318 out_ie[initial_out_len + 8] = 0x00;
1319 break;
1320 }
1321 i += (in_ie[i + 1] + 2); /* to the next IE element */
1322 }
1323 return ielength;
1324 }
1325
1326 /*
1327 * Ported from 8185: IsInPreAuthKeyList().
1328 *
1329 * Search by BSSID,
1330 * Return Value:
1331 * -1 :if there is no pre-auth key in the table
1332 * >=0 :if there is pre-auth key, and return the entry id
1333 */
1334 static int SecIsInPMKIDList(struct _adapter *Adapter, u8 *bssid)
1335 {
1336 struct security_priv *psecuritypriv = &Adapter->securitypriv;
1337 int i = 0;
1338
1339 do {
1340 if (psecuritypriv->PMKIDList[i].bUsed &&
1341 (!memcmp(psecuritypriv->PMKIDList[i].Bssid,
1342 bssid, ETH_ALEN)))
1343 break;
1344 else
1345 i++;
1346 } while (i < NUM_PMKID_CACHE);
1347
1348 if (i == NUM_PMKID_CACHE) {
1349 i = -1; /* Could not find. */
1350 } else {
1351 ; /* There is one Pre-Authentication Key for the
1352 * specific BSSID. */
1353 }
1354 return i;
1355 }
1356
1357 sint r8712_restruct_sec_ie(struct _adapter *adapter, u8 *in_ie,
1358 u8 *out_ie, uint in_len)
1359 {
1360 u8 authmode = 0, securitytype, match;
1361 u8 sec_ie[255], uncst_oui[4], bkup_ie[255];
1362 u8 wpa_oui[4] = {0x0, 0x50, 0xf2, 0x01};
1363 uint ielength, cnt, remove_cnt;
1364 int iEntry;
1365 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1366 struct security_priv *psecuritypriv = &adapter->securitypriv;
1367 uint ndisauthmode = psecuritypriv->ndisauthtype;
1368 uint ndissecuritytype = psecuritypriv->ndisencryptstatus;
1369
1370 if ((ndisauthmode == Ndis802_11AuthModeWPA) ||
1371 (ndisauthmode == Ndis802_11AuthModeWPAPSK)) {
1372 authmode = _WPA_IE_ID_;
1373 uncst_oui[0] = 0x0;
1374 uncst_oui[1] = 0x50;
1375 uncst_oui[2] = 0xf2;
1376 }
1377 if ((ndisauthmode == Ndis802_11AuthModeWPA2) ||
1378 (ndisauthmode == Ndis802_11AuthModeWPA2PSK)) {
1379 authmode = _WPA2_IE_ID_;
1380 uncst_oui[0] = 0x0;
1381 uncst_oui[1] = 0x0f;
1382 uncst_oui[2] = 0xac;
1383 }
1384 switch (ndissecuritytype) {
1385 case Ndis802_11Encryption1Enabled:
1386 case Ndis802_11Encryption1KeyAbsent:
1387 securitytype = _WEP40_;
1388 uncst_oui[3] = 0x1;
1389 break;
1390 case Ndis802_11Encryption2Enabled:
1391 case Ndis802_11Encryption2KeyAbsent:
1392 securitytype = _TKIP_;
1393 uncst_oui[3] = 0x2;
1394 break;
1395 case Ndis802_11Encryption3Enabled:
1396 case Ndis802_11Encryption3KeyAbsent:
1397 securitytype = _AES_;
1398 uncst_oui[3] = 0x4;
1399 break;
1400 default:
1401 securitytype = _NO_PRIVACY_;
1402 break;
1403 }
1404 /*Search required WPA or WPA2 IE and copy to sec_ie[] */
1405 cnt = 12;
1406 match = false;
1407 while (cnt < in_len) {
1408 if (in_ie[cnt] == authmode) {
1409 if ((authmode == _WPA_IE_ID_) &&
1410 (!memcmp(&in_ie[cnt+2], &wpa_oui[0], 4))) {
1411 memcpy(&sec_ie[0], &in_ie[cnt],
1412 in_ie[cnt + 1] + 2);
1413 match = true;
1414 break;
1415 }
1416 if (authmode == _WPA2_IE_ID_) {
1417 memcpy(&sec_ie[0], &in_ie[cnt],
1418 in_ie[cnt + 1] + 2);
1419 match = true;
1420 break;
1421 }
1422 if (((authmode == _WPA_IE_ID_) &&
1423 (!memcmp(&in_ie[cnt + 2], &wpa_oui[0], 4))) ||
1424 (authmode == _WPA2_IE_ID_))
1425 memcpy(&bkup_ie[0], &in_ie[cnt],
1426 in_ie[cnt + 1] + 2);
1427 }
1428 cnt += in_ie[cnt+1] + 2; /*get next*/
1429 }
1430 /*restruct WPA IE or WPA2 IE in sec_ie[] */
1431 if (match == true) {
1432 if (sec_ie[0] == _WPA_IE_ID_) {
1433 /* parsing SSN IE to select required encryption
1434 * algorithm, and set the bc/mc encryption algorithm */
1435 while (true) {
1436 /*check wpa_oui tag*/
1437 if (memcmp(&sec_ie[2], &wpa_oui[0], 4)) {
1438 match = false;
1439 break;
1440 }
1441 if ((sec_ie[6] != 0x01) || (sec_ie[7] != 0x0)) {
1442 /*IE Ver error*/
1443 match = false;
1444 break;
1445 }
1446 if (!memcmp(&sec_ie[8], &wpa_oui[0], 3)) {
1447 /* get bc/mc encryption type (group
1448 * key type)*/
1449 switch (sec_ie[11]) {
1450 case 0x0: /*none*/
1451 psecuritypriv->XGrpPrivacy =
1452 _NO_PRIVACY_;
1453 break;
1454 case 0x1: /*WEP_40*/
1455 psecuritypriv->XGrpPrivacy =
1456 _WEP40_;
1457 break;
1458 case 0x2: /*TKIP*/
1459 psecuritypriv->XGrpPrivacy =
1460 _TKIP_;
1461 break;
1462 case 0x3: /*AESCCMP*/
1463 case 0x4:
1464 psecuritypriv->XGrpPrivacy =
1465 _AES_;
1466 break;
1467 case 0x5: /*WEP_104*/
1468 psecuritypriv->XGrpPrivacy =
1469 _WEP104_;
1470 break;
1471 }
1472 } else {
1473 match = false;
1474 break;
1475 }
1476 if (sec_ie[12] == 0x01) {
1477 /*check the unicast encryption type*/
1478 if (memcmp(&sec_ie[14],
1479 &uncst_oui[0], 4)) {
1480 match = false;
1481 break;
1482
1483 } /*else the uncst_oui is match*/
1484 } else { /*mixed mode, unicast_enc_type > 1*/
1485 /*select the uncst_oui and remove
1486 * the other uncst_oui*/
1487 cnt = sec_ie[12];
1488 remove_cnt = (cnt-1) * 4;
1489 sec_ie[12] = 0x01;
1490 memcpy(&sec_ie[14], &uncst_oui[0], 4);
1491 /*remove the other unicast suit*/
1492 memcpy(&sec_ie[18],
1493 &sec_ie[18 + remove_cnt],
1494 sec_ie[1] - 18 + 2 -
1495 remove_cnt);
1496 sec_ie[1] = sec_ie[1] - remove_cnt;
1497 }
1498 break;
1499 }
1500 }
1501 if (authmode == _WPA2_IE_ID_) {
1502 /* parsing RSN IE to select required encryption
1503 * algorithm, and set the bc/mc encryption algorithm */
1504 while (true) {
1505 if ((sec_ie[2] != 0x01) || (sec_ie[3] != 0x0)) {
1506 /*IE Ver error*/
1507 match = false;
1508 break;
1509 }
1510 if (!memcmp(&sec_ie[4], &uncst_oui[0], 3)) {
1511 /*get bc/mc encryption type*/
1512 switch (sec_ie[7]) {
1513 case 0x1: /*WEP_40*/
1514 psecuritypriv->XGrpPrivacy =
1515 _WEP40_;
1516 break;
1517 case 0x2: /*TKIP*/
1518 psecuritypriv->XGrpPrivacy =
1519 _TKIP_;
1520 break;
1521 case 0x4: /*AESWRAP*/
1522 psecuritypriv->XGrpPrivacy =
1523 _AES_;
1524 break;
1525 case 0x5: /*WEP_104*/
1526 psecuritypriv->XGrpPrivacy =
1527 _WEP104_;
1528 break;
1529 default: /*one*/
1530 psecuritypriv->XGrpPrivacy =
1531 _NO_PRIVACY_;
1532 break;
1533 }
1534 } else {
1535 match = false;
1536 break;
1537 }
1538 if (sec_ie[8] == 0x01) {
1539 /*check the unicast encryption type*/
1540 if (memcmp(&sec_ie[10],
1541 &uncst_oui[0], 4)) {
1542 match = false;
1543 break;
1544 } /*else the uncst_oui is match*/
1545 } else { /*mixed mode, unicast_enc_type > 1*/
1546 /*select the uncst_oui and remove the
1547 * other uncst_oui*/
1548 cnt = sec_ie[8];
1549 remove_cnt = (cnt-1)*4;
1550 sec_ie[8] = 0x01;
1551 memcpy(&sec_ie[10], &uncst_oui[0], 4);
1552 /*remove the other unicast suit*/
1553 memcpy(&sec_ie[14],
1554 &sec_ie[14 + remove_cnt],
1555 (sec_ie[1] - 14 + 2 -
1556 remove_cnt));
1557 sec_ie[1] = sec_ie[1]-remove_cnt;
1558 }
1559 break;
1560 }
1561 }
1562 }
1563 if ((authmode == _WPA_IE_ID_) || (authmode == _WPA2_IE_ID_)) {
1564 /*copy fixed ie*/
1565 memcpy(out_ie, in_ie, 12);
1566 ielength = 12;
1567 /*copy RSN or SSN*/
1568 if (match == true) {
1569 memcpy(&out_ie[ielength], &sec_ie[0], sec_ie[1]+2);
1570 ielength += sec_ie[1] + 2;
1571 if (authmode == _WPA2_IE_ID_) {
1572 /*the Pre-Authentication bit should be zero*/
1573 out_ie[ielength - 1] = 0;
1574 out_ie[ielength - 2] = 0;
1575 }
1576 r8712_report_sec_ie(adapter, authmode, sec_ie);
1577 }
1578 } else {
1579 /*copy fixed ie only*/
1580 memcpy(out_ie, in_ie, 12);
1581 ielength = 12;
1582 if (psecuritypriv->wps_phase == true) {
1583 memcpy(out_ie+ielength, psecuritypriv->wps_ie,
1584 psecuritypriv->wps_ie_len);
1585 ielength += psecuritypriv->wps_ie_len;
1586 }
1587 }
1588 iEntry = SecIsInPMKIDList(adapter, pmlmepriv->assoc_bssid);
1589 if (iEntry < 0)
1590 return ielength;
1591 else {
1592 if (authmode == _WPA2_IE_ID_) {
1593 out_ie[ielength] = 1;
1594 ielength++;
1595 out_ie[ielength] = 0; /*PMKID count = 0x0100*/
1596 ielength++;
1597 memcpy(&out_ie[ielength],
1598 &psecuritypriv->PMKIDList[iEntry].PMKID, 16);
1599 ielength += 16;
1600 out_ie[13] += 18;/*PMKID length = 2+16*/
1601 }
1602 }
1603 return ielength;
1604 }
1605
1606 void r8712_init_registrypriv_dev_network(struct _adapter *adapter)
1607 {
1608 struct registry_priv *pregistrypriv = &adapter->registrypriv;
1609 struct eeprom_priv *peepriv = &adapter->eeprompriv;
1610 struct wlan_bssid_ex *pdev_network = &pregistrypriv->dev_network;
1611 u8 *myhwaddr = myid(peepriv);
1612
1613 memcpy(pdev_network->MacAddress, myhwaddr, ETH_ALEN);
1614 memcpy(&pdev_network->Ssid, &pregistrypriv->ssid,
1615 sizeof(struct ndis_802_11_ssid));
1616 pdev_network->Configuration.Length =
1617 sizeof(struct NDIS_802_11_CONFIGURATION);
1618 pdev_network->Configuration.BeaconPeriod = 100;
1619 pdev_network->Configuration.FHConfig.Length = 0;
1620 pdev_network->Configuration.FHConfig.HopPattern = 0;
1621 pdev_network->Configuration.FHConfig.HopSet = 0;
1622 pdev_network->Configuration.FHConfig.DwellTime = 0;
1623 }
1624
1625 void r8712_update_registrypriv_dev_network(struct _adapter *adapter)
1626 {
1627 int sz = 0;
1628 struct registry_priv *pregistrypriv = &adapter->registrypriv;
1629 struct wlan_bssid_ex *pdev_network = &pregistrypriv->dev_network;
1630 struct security_priv *psecuritypriv = &adapter->securitypriv;
1631 struct wlan_network *cur_network = &adapter->mlmepriv.cur_network;
1632
1633 pdev_network->Privacy = cpu_to_le32(psecuritypriv->PrivacyAlgrthm
1634 > 0 ? 1 : 0) ; /* adhoc no 802.1x */
1635 pdev_network->Rssi = 0;
1636 switch (pregistrypriv->wireless_mode) {
1637 case WIRELESS_11B:
1638 pdev_network->NetworkTypeInUse = cpu_to_le32(Ndis802_11DS);
1639 break;
1640 case WIRELESS_11G:
1641 case WIRELESS_11BG:
1642 pdev_network->NetworkTypeInUse = cpu_to_le32(Ndis802_11OFDM24);
1643 break;
1644 case WIRELESS_11A:
1645 pdev_network->NetworkTypeInUse = cpu_to_le32(Ndis802_11OFDM5);
1646 break;
1647 default:
1648 /* TODO */
1649 break;
1650 }
1651 pdev_network->Configuration.DSConfig = cpu_to_le32(
1652 pregistrypriv->channel);
1653 if (cur_network->network.InfrastructureMode == Ndis802_11IBSS)
1654 pdev_network->Configuration.ATIMWindow = cpu_to_le32(3);
1655 pdev_network->InfrastructureMode = cpu_to_le32(
1656 cur_network->network.InfrastructureMode);
1657 /* 1. Supported rates
1658 * 2. IE
1659 */
1660 sz = r8712_generate_ie(pregistrypriv, adapter);
1661 pdev_network->IELength = sz;
1662 pdev_network->Length = r8712_get_ndis_wlan_bssid_ex_sz(
1663 (struct ndis_wlan_bssid_ex *)pdev_network);
1664 }
1665
1666 /*the function is at passive_level*/
1667 void r8712_joinbss_reset(struct _adapter *padapter)
1668 {
1669 int i;
1670 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1671 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
1672
1673 /* todo: if you want to do something io/reg/hw setting before join_bss,
1674 * please add code here */
1675 phtpriv->ampdu_enable = false;/*reset to disabled*/
1676 for (i = 0; i < 16; i++)
1677 phtpriv->baddbareq_issued[i] = false;/*reset it*/
1678 if (phtpriv->ht_option) {
1679 /* validate usb rx aggregation */
1680 r8712_write8(padapter, 0x102500D9, 48);/*TH = 48 pages, 6k*/
1681 } else {
1682 /* invalidate usb rx aggregation */
1683 /* TH=1 => means that invalidate usb rx aggregation */
1684 r8712_write8(padapter, 0x102500D9, 1);
1685 }
1686 }
1687
1688 /*the function is >= passive_level*/
1689 unsigned int r8712_restructure_ht_ie(struct _adapter *padapter, u8 *in_ie,
1690 u8 *out_ie, uint in_len, uint *pout_len)
1691 {
1692 u32 ielen, out_len;
1693 unsigned char *p, *pframe;
1694 struct ieee80211_ht_cap ht_capie;
1695 unsigned char WMM_IE[] = {0x00, 0x50, 0xf2, 0x02, 0x00, 0x01, 0x00};
1696 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1697 struct qos_priv *pqospriv = &pmlmepriv->qospriv;
1698 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
1699
1700 phtpriv->ht_option = 0;
1701 p = r8712_get_ie(in_ie+12, _HT_CAPABILITY_IE_, &ielen, in_len-12);
1702 if (p && (ielen > 0)) {
1703 if (pqospriv->qos_option == 0) {
1704 out_len = *pout_len;
1705 pframe = r8712_set_ie(out_ie+out_len,
1706 _VENDOR_SPECIFIC_IE_,
1707 _WMM_IE_Length_,
1708 WMM_IE, pout_len);
1709 pqospriv->qos_option = 1;
1710 }
1711 out_len = *pout_len;
1712 memset(&ht_capie, 0, sizeof(struct ieee80211_ht_cap));
1713 ht_capie.cap_info = IEEE80211_HT_CAP_SUP_WIDTH |
1714 IEEE80211_HT_CAP_SGI_20 |
1715 IEEE80211_HT_CAP_SGI_40 |
1716 IEEE80211_HT_CAP_TX_STBC |
1717 IEEE80211_HT_CAP_MAX_AMSDU |
1718 IEEE80211_HT_CAP_DSSSCCK40;
1719 ht_capie.ampdu_params_info = (IEEE80211_HT_CAP_AMPDU_FACTOR &
1720 0x03) | (IEEE80211_HT_CAP_AMPDU_DENSITY & 0x00);
1721 pframe = r8712_set_ie(out_ie+out_len, _HT_CAPABILITY_IE_,
1722 sizeof(struct ieee80211_ht_cap),
1723 (unsigned char *)&ht_capie, pout_len);
1724 phtpriv->ht_option = 1;
1725 }
1726 return phtpriv->ht_option;
1727 }
1728
1729 /* the function is > passive_level (in critical_section) */
1730 static void update_ht_cap(struct _adapter *padapter, u8 *pie, uint ie_len)
1731 {
1732 u8 *p, max_ampdu_sz;
1733 int i, len;
1734 struct sta_info *bmc_sta, *psta;
1735 struct ieee80211_ht_cap *pht_capie;
1736 struct ieee80211_ht_addt_info *pht_addtinfo;
1737 struct recv_reorder_ctrl *preorder_ctrl;
1738 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1739 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
1740 struct registry_priv *pregistrypriv = &padapter->registrypriv;
1741 struct wlan_network *pcur_network = &(pmlmepriv->cur_network);
1742
1743 if (!phtpriv->ht_option)
1744 return;
1745 /* maybe needs check if ap supports rx ampdu. */
1746 if ((phtpriv->ampdu_enable == false) &&
1747 (pregistrypriv->ampdu_enable == 1))
1748 phtpriv->ampdu_enable = true;
1749 /*check Max Rx A-MPDU Size*/
1750 len = 0;
1751 p = r8712_get_ie(pie + sizeof(struct NDIS_802_11_FIXED_IEs),
1752 _HT_CAPABILITY_IE_,
1753 &len, ie_len -
1754 sizeof(struct NDIS_802_11_FIXED_IEs));
1755 if (p && len > 0) {
1756 pht_capie = (struct ieee80211_ht_cap *)(p+2);
1757 max_ampdu_sz = (pht_capie->ampdu_params_info &
1758 IEEE80211_HT_CAP_AMPDU_FACTOR);
1759 /* max_ampdu_sz (kbytes); */
1760 max_ampdu_sz = 1 << (max_ampdu_sz+3);
1761 phtpriv->rx_ampdu_maxlen = max_ampdu_sz;
1762 }
1763 /* for A-MPDU Rx reordering buffer control for bmc_sta & sta_info
1764 * if A-MPDU Rx is enabled, reseting rx_ordering_ctrl
1765 * wstart_b(indicate_seq) to default value=0xffff
1766 * todo: check if AP can send A-MPDU packets
1767 */
1768 bmc_sta = r8712_get_bcmc_stainfo(padapter);
1769 if (bmc_sta) {
1770 for (i = 0; i < 16; i++) {
1771 preorder_ctrl = &bmc_sta->recvreorder_ctrl[i];
1772 preorder_ctrl->indicate_seq = 0xffff;
1773 preorder_ctrl->wend_b = 0xffff;
1774 }
1775 }
1776 psta = r8712_get_stainfo(&padapter->stapriv,
1777 pcur_network->network.MacAddress);
1778 if (psta) {
1779 for (i = 0; i < 16 ; i++) {
1780 preorder_ctrl = &psta->recvreorder_ctrl[i];
1781 preorder_ctrl->indicate_seq = 0xffff;
1782 preorder_ctrl->wend_b = 0xffff;
1783 }
1784 }
1785 len = 0;
1786 p = r8712_get_ie(pie + sizeof(struct NDIS_802_11_FIXED_IEs),
1787 _HT_ADD_INFO_IE_, &len,
1788 ie_len-sizeof(struct NDIS_802_11_FIXED_IEs));
1789 if (p && len > 0)
1790 pht_addtinfo = (struct ieee80211_ht_addt_info *)(p + 2);
1791 }
1792
1793 void r8712_issue_addbareq_cmd(struct _adapter *padapter, int priority)
1794 {
1795 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1796 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
1797
1798 if ((phtpriv->ht_option == 1) && (phtpriv->ampdu_enable == true)) {
1799 if (phtpriv->baddbareq_issued[priority] == false) {
1800 r8712_addbareq_cmd(padapter, (u8)priority);
1801 phtpriv->baddbareq_issued[priority] = true;
1802 }
1803 }
1804 }
1805
1806 /*the function is >= passive_level*/
1807 unsigned int r8712_add_ht_addt_info(struct _adapter *padapter,
1808 u8 *in_ie, u8 *out_ie,
1809 uint in_len, uint *pout_len)
1810 {
1811 u32 ielen, out_len = 0;
1812 unsigned char *p, *pframe;
1813 struct ieee80211_ht_addt_info ht_addt_info;
1814 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1815 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
1816 struct registry_priv *pregistrypriv = &padapter->registrypriv;
1817 out_len = *pout_len;
1818
1819 if (pregistrypriv->ht_enable == 1) {
1820 p = r8712_get_ie(in_ie+12, _HT_ADD_INFO_IE_,
1821 &ielen, in_len - 12);
1822 if (p && (ielen > 0)) {
1823 ; /* dummy branch */
1824 } else {
1825 if (p == NULL) {
1826 int sz = sizeof(struct ieee80211_ht_addt_info);
1827 memset(&ht_addt_info, 0, sz);
1828 /*need to add the HT additional IEs*/
1829 ht_addt_info.control_chan =
1830 pregistrypriv->channel;
1831 pframe = r8712_set_ie(out_ie + out_len,
1832 _HT_ADD_INFO_IE_,
1833 sz,
1834 (unsigned char *)&ht_addt_info,
1835 pout_len);
1836 }
1837 }
1838 }
1839 return phtpriv->ht_option;
1840 }
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