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Merge tag 'gpio-for-v3.11-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw...
[linux-2.6.git] / drivers / staging / rtl8712 / rtl871x_mlme.c
blob659615481f6f4c1b8d387c572cc063a11cd9492c
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 <linux/etherdevice.h>
32
33 #include "osdep_service.h"
34 #include "drv_types.h"
35 #include "recv_osdep.h"
36 #include "xmit_osdep.h"
37 #include "mlme_osdep.h"
38 #include "sta_info.h"
39 #include "wifi.h"
40 #include "wlan_bssdef.h"
41
42 static void update_ht_cap(struct _adapter *padapter, u8 *pie, uint ie_len);
43
44 static sint _init_mlme_priv(struct _adapter *padapter)
45 {
46 sint i;
47 u8 *pbuf;
48 struct wlan_network *pnetwork;
49 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
50
51 memset((u8 *)pmlmepriv, 0, sizeof(struct mlme_priv));
52 pmlmepriv->nic_hdl = (u8 *)padapter;
53 pmlmepriv->pscanned = NULL;
54 pmlmepriv->fw_state = 0;
55 pmlmepriv->cur_network.network.InfrastructureMode =
56 Ndis802_11AutoUnknown;
57 /* Maybe someday we should rename this variable to "active_mode"(Jeff)*/
58 pmlmepriv->passive_mode = 1; /* 1: active, 0: passive. */
59 spin_lock_init(&(pmlmepriv->lock));
60 spin_lock_init(&(pmlmepriv->lock2));
61 _init_queue(&(pmlmepriv->free_bss_pool));
62 _init_queue(&(pmlmepriv->scanned_queue));
63 set_scanned_network_val(pmlmepriv, 0);
64 memset(&pmlmepriv->assoc_ssid, 0, sizeof(struct ndis_802_11_ssid));
65 pbuf = _malloc(MAX_BSS_CNT * (sizeof(struct wlan_network)));
66 if (pbuf == NULL)
67 return _FAIL;
68 pmlmepriv->free_bss_buf = pbuf;
69 pnetwork = (struct wlan_network *)pbuf;
70 for (i = 0; i < MAX_BSS_CNT; i++) {
71 _init_listhead(&(pnetwork->list));
72 list_insert_tail(&(pnetwork->list),
73 &(pmlmepriv->free_bss_pool.queue));
74 pnetwork++;
75 }
76 pmlmepriv->sitesurveyctrl.last_rx_pkts = 0;
77 pmlmepriv->sitesurveyctrl.last_tx_pkts = 0;
78 pmlmepriv->sitesurveyctrl.traffic_busy = false;
79 /* allocate DMA-able/Non-Page memory for cmd_buf and rsp_buf */
80 r8712_init_mlme_timer(padapter);
81 return _SUCCESS;
82 }
83
84 struct wlan_network *_r8712_alloc_network(struct mlme_priv *pmlmepriv)
85 {
86 unsigned long irqL;
87 struct wlan_network *pnetwork;
88 struct __queue *free_queue = &pmlmepriv->free_bss_pool;
89 struct list_head *plist = NULL;
90
91 if (_queue_empty(free_queue) == true)
92 return NULL;
93 spin_lock_irqsave(&free_queue->lock, irqL);
94 plist = get_next(&(free_queue->queue));
95 pnetwork = LIST_CONTAINOR(plist , struct wlan_network, list);
96 list_delete(&pnetwork->list);
97 pnetwork->last_scanned = jiffies;
98 pmlmepriv->num_of_scanned++;
99 spin_unlock_irqrestore(&free_queue->lock, irqL);
100 return pnetwork;
101 }
102
103 static void _free_network(struct mlme_priv *pmlmepriv,
104 struct wlan_network *pnetwork)
105 {
106 u32 curr_time, delta_time;
107 unsigned long irqL;
108 struct __queue *free_queue = &(pmlmepriv->free_bss_pool);
109
110 if (pnetwork == NULL)
111 return;
112 if (pnetwork->fixed == true)
113 return;
114 curr_time = jiffies;
115 delta_time = (curr_time - (u32)pnetwork->last_scanned) / HZ;
116 if (delta_time < SCANQUEUE_LIFETIME)
117 return;
118 spin_lock_irqsave(&free_queue->lock, irqL);
119 list_delete(&pnetwork->list);
120 list_insert_tail(&pnetwork->list, &free_queue->queue);
121 pmlmepriv->num_of_scanned--;
122 spin_unlock_irqrestore(&free_queue->lock, irqL);
123 }
124
125 static void _free_network_nolock(struct mlme_priv *pmlmepriv,
126 struct wlan_network *pnetwork)
127 {
128 struct __queue *free_queue = &pmlmepriv->free_bss_pool;
129
130 if (pnetwork == NULL)
131 return;
132 if (pnetwork->fixed == true)
133 return;
134 list_delete(&pnetwork->list);
135 list_insert_tail(&pnetwork->list, get_list_head(free_queue));
136 pmlmepriv->num_of_scanned--;
137 }
138
139
140 /*
141 return the wlan_network with the matching addr
142 Shall be called under atomic context...
143 to avoid possible racing condition...
144 */
145 static struct wlan_network *_r8712_find_network(struct __queue *scanned_queue,
146 u8 *addr)
147 {
148 unsigned long irqL;
149 struct list_head *phead, *plist;
150 struct wlan_network *pnetwork = NULL;
151
152 if (is_zero_ether_addr(addr))
153 return NULL;
154 spin_lock_irqsave(&scanned_queue->lock, irqL);
155 phead = get_list_head(scanned_queue);
156 plist = get_next(phead);
157 while (plist != phead) {
158 pnetwork = LIST_CONTAINOR(plist, struct wlan_network, list);
159 plist = get_next(plist);
160 if (!memcmp(addr, pnetwork->network.MacAddress, ETH_ALEN))
161 break;
162 }
163 spin_unlock_irqrestore(&scanned_queue->lock, irqL);
164 return pnetwork;
165 }
166
167 static void _free_network_queue(struct _adapter *padapter)
168 {
169 unsigned long irqL;
170 struct list_head *phead, *plist;
171 struct wlan_network *pnetwork;
172 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
173 struct __queue *scanned_queue = &pmlmepriv->scanned_queue;
174
175 spin_lock_irqsave(&scanned_queue->lock, irqL);
176 phead = get_list_head(scanned_queue);
177 plist = get_next(phead);
178 while (end_of_queue_search(phead, plist) == false) {
179 pnetwork = LIST_CONTAINOR(plist, struct wlan_network, list);
180 plist = get_next(plist);
181 _free_network(pmlmepriv, pnetwork);
182 }
183 spin_unlock_irqrestore(&scanned_queue->lock, irqL);
184 }
185
186 sint r8712_if_up(struct _adapter *padapter)
187 {
188 sint res;
189
190 if (padapter->bDriverStopped || padapter->bSurpriseRemoved ||
191 (check_fwstate(&padapter->mlmepriv, _FW_LINKED) == false)) {
192 res = false;
193 } else
194 res = true;
195 return res;
196 }
197
198 void r8712_generate_random_ibss(u8 *pibss)
199 {
200 u32 curtime = jiffies;
201
202 pibss[0] = 0x02; /*in ad-hoc mode bit1 must set to 1 */
203 pibss[1] = 0x11;
204 pibss[2] = 0x87;
205 pibss[3] = (u8)(curtime & 0xff);
206 pibss[4] = (u8)((curtime>>8) & 0xff);
207 pibss[5] = (u8)((curtime>>16) & 0xff);
208 }
209
210 uint r8712_get_ndis_wlan_bssid_ex_sz(struct ndis_wlan_bssid_ex *bss)
211 {
212 uint t_len;
213
214 t_len = sizeof(u32) + 6 * sizeof(unsigned long) + 2 +
215 sizeof(struct ndis_802_11_ssid) + sizeof(u32) +
216 sizeof(s32) +
217 sizeof(enum NDIS_802_11_NETWORK_TYPE) +
218 sizeof(struct NDIS_802_11_CONFIGURATION) +
219 sizeof(enum NDIS_802_11_NETWORK_INFRASTRUCTURE) +
220 sizeof(NDIS_802_11_RATES_EX) +
221 sizeof(u32) + bss->IELength;
222 return t_len;
223 }
224
225 u8 *r8712_get_capability_from_ie(u8 *ie)
226 {
227 return ie + 8 + 2;
228 }
229
230 int r8712_init_mlme_priv(struct _adapter *padapter)
231 {
232 return _init_mlme_priv(padapter);
233 }
234
235 void r8712_free_mlme_priv(struct mlme_priv *pmlmepriv)
236 {
237 kfree(pmlmepriv->free_bss_buf);
238 }
239
240 static struct wlan_network *alloc_network(struct mlme_priv *pmlmepriv)
241 {
242 return _r8712_alloc_network(pmlmepriv);
243 }
244
245 static void free_network_nolock(struct mlme_priv *pmlmepriv,
246 struct wlan_network *pnetwork)
247 {
248 _free_network_nolock(pmlmepriv, pnetwork);
249 }
250
251 void r8712_free_network_queue(struct _adapter *dev)
252 {
253 _free_network_queue(dev);
254 }
255
256 /*
257 return the wlan_network with the matching addr
258
259 Shall be called under atomic context...
260 to avoid possible racing condition...
261 */
262 static struct wlan_network *r8712_find_network(struct __queue *scanned_queue,
263 u8 *addr)
264 {
265 struct wlan_network *pnetwork = _r8712_find_network(scanned_queue,
266 addr);
267
268 return pnetwork;
269 }
270
271 int r8712_is_same_ibss(struct _adapter *adapter, struct wlan_network *pnetwork)
272 {
273 int ret = true;
274 struct security_priv *psecuritypriv = &adapter->securitypriv;
275
276 if ((psecuritypriv->PrivacyAlgrthm != _NO_PRIVACY_) &&
277 (pnetwork->network.Privacy == 0))
278 ret = false;
279 else if ((psecuritypriv->PrivacyAlgrthm == _NO_PRIVACY_) &&
280 (pnetwork->network.Privacy == 1))
281 ret = false;
282 else
283 ret = true;
284 return ret;
285
286 }
287
288 static int is_same_network(struct ndis_wlan_bssid_ex *src,
289 struct ndis_wlan_bssid_ex *dst)
290 {
291 u16 s_cap, d_cap;
292
293 memcpy((u8 *)&s_cap, r8712_get_capability_from_ie(src->IEs), 2);
294 memcpy((u8 *)&d_cap, r8712_get_capability_from_ie(dst->IEs), 2);
295 return (src->Ssid.SsidLength == dst->Ssid.SsidLength) &&
296 (src->Configuration.DSConfig ==
297 dst->Configuration.DSConfig) &&
298 ((!memcmp(src->MacAddress, dst->MacAddress,
299 ETH_ALEN))) &&
300 ((!memcmp(src->Ssid.Ssid,
301 dst->Ssid.Ssid,
302 src->Ssid.SsidLength))) &&
303 ((s_cap & WLAN_CAPABILITY_IBSS) ==
304 (d_cap & WLAN_CAPABILITY_IBSS)) &&
305 ((s_cap & WLAN_CAPABILITY_BSS) ==
306 (d_cap & WLAN_CAPABILITY_BSS));
307
308 }
309
310 struct wlan_network *r8712_get_oldest_wlan_network(
311 struct __queue *scanned_queue)
312 {
313 struct list_head *plist, *phead;
314 struct wlan_network *pwlan = NULL;
315 struct wlan_network *oldest = NULL;
316
317 phead = get_list_head(scanned_queue);
318 plist = get_next(phead);
319 while (1) {
320 if (end_of_queue_search(phead, plist) == true)
321 break;
322 pwlan = LIST_CONTAINOR(plist, struct wlan_network, list);
323 if (pwlan->fixed != true) {
324 if (oldest == NULL ||
325 time_after((unsigned long)oldest->last_scanned,
326 (unsigned long)pwlan->last_scanned))
327 oldest = pwlan;
328 }
329 plist = get_next(plist);
330 }
331 return oldest;
332 }
333
334 static void update_network(struct ndis_wlan_bssid_ex *dst,
335 struct ndis_wlan_bssid_ex *src,
336 struct _adapter *padapter)
337 {
338 u32 last_evm = 0, tmpVal;
339
340 if (check_fwstate(&padapter->mlmepriv, _FW_LINKED) &&
341 is_same_network(&(padapter->mlmepriv.cur_network.network), src)) {
342 if (padapter->recvpriv.signal_qual_data.total_num++ >=
343 PHY_LINKQUALITY_SLID_WIN_MAX) {
344 padapter->recvpriv.signal_qual_data.total_num =
345 PHY_LINKQUALITY_SLID_WIN_MAX;
346 last_evm = padapter->recvpriv.signal_qual_data.
347 elements[padapter->recvpriv.
348 signal_qual_data.index];
349 padapter->recvpriv.signal_qual_data.total_val -=
350 last_evm;
351 }
352 padapter->recvpriv.signal_qual_data.total_val += src->Rssi;
353
354 padapter->recvpriv.signal_qual_data.
355 elements[padapter->recvpriv.signal_qual_data.
356 index++] = src->Rssi;
357 if (padapter->recvpriv.signal_qual_data.index >=
358 PHY_LINKQUALITY_SLID_WIN_MAX)
359 padapter->recvpriv.signal_qual_data.index = 0;
360 /* <1> Showed on UI for user, in percentage. */
361 tmpVal = padapter->recvpriv.signal_qual_data.total_val /
362 padapter->recvpriv.signal_qual_data.total_num;
363 padapter->recvpriv.signal = (u8)tmpVal;
364
365 src->Rssi = padapter->recvpriv.signal;
366 } else
367 src->Rssi = (src->Rssi + dst->Rssi) / 2;
368 memcpy((u8 *)dst, (u8 *)src, r8712_get_ndis_wlan_bssid_ex_sz(src));
369 }
370
371 static void update_current_network(struct _adapter *adapter,
372 struct ndis_wlan_bssid_ex *pnetwork)
373 {
374 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
375
376 if (is_same_network(&(pmlmepriv->cur_network.network), pnetwork)) {
377 update_network(&(pmlmepriv->cur_network.network),
378 pnetwork, adapter);
379 r8712_update_protection(adapter,
380 (pmlmepriv->cur_network.network.IEs) +
381 sizeof(struct NDIS_802_11_FIXED_IEs),
382 pmlmepriv->cur_network.network.IELength);
383 }
384 }
385
386 /*
387 Caller must hold pmlmepriv->lock first.
388 */
389 static void update_scanned_network(struct _adapter *adapter,
390 struct ndis_wlan_bssid_ex *target)
391 {
392 struct list_head *plist, *phead;
393
394 u32 bssid_ex_sz;
395 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
396 struct __queue *queue = &pmlmepriv->scanned_queue;
397 struct wlan_network *pnetwork = NULL;
398 struct wlan_network *oldest = NULL;
399
400 phead = get_list_head(queue);
401 plist = get_next(phead);
402
403 while (1) {
404 if (end_of_queue_search(phead, plist) == true)
405 break;
406
407 pnetwork = LIST_CONTAINOR(plist, struct wlan_network, list);
408 if (is_same_network(&pnetwork->network, target))
409 break;
410 if ((oldest == ((struct wlan_network *)0)) ||
411 time_after((unsigned long)oldest->last_scanned,
412 (unsigned long)pnetwork->last_scanned))
413 oldest = pnetwork;
414
415 plist = get_next(plist);
416 }
417
418
419 /* If we didn't find a match, then get a new network slot to initialize
420 * with this beacon's information */
421 if (end_of_queue_search(phead, plist) == true) {
422 if (_queue_empty(&pmlmepriv->free_bss_pool) == true) {
423 /* If there are no more slots, expire the oldest */
424 pnetwork = oldest;
425 target->Rssi = (pnetwork->network.Rssi +
426 target->Rssi) / 2;
427 memcpy(&pnetwork->network, target,
428 r8712_get_ndis_wlan_bssid_ex_sz(target));
429 pnetwork->last_scanned = jiffies;
430 } else {
431 /* Otherwise just pull from the free list */
432 /* update scan_time */
433 pnetwork = alloc_network(pmlmepriv);
434 if (pnetwork == NULL)
435 return;
436 bssid_ex_sz = r8712_get_ndis_wlan_bssid_ex_sz(target);
437 target->Length = bssid_ex_sz;
438 memcpy(&pnetwork->network, target, bssid_ex_sz);
439 list_insert_tail(&pnetwork->list, &queue->queue);
440 }
441 } else {
442 /* we have an entry and we are going to update it. But
443 * this entry may be already expired. In this case we
444 * do the same as we found a new net and call the new_net
445 * handler
446 */
447 update_network(&pnetwork->network, target, adapter);
448 pnetwork->last_scanned = jiffies;
449 }
450 }
451
452 static void rtl8711_add_network(struct _adapter *adapter,
453 struct ndis_wlan_bssid_ex *pnetwork)
454 {
455 unsigned long irqL;
456 struct mlme_priv *pmlmepriv = &(((struct _adapter *)adapter)->mlmepriv);
457 struct __queue *queue = &pmlmepriv->scanned_queue;
458
459 spin_lock_irqsave(&queue->lock, irqL);
460 update_current_network(adapter, pnetwork);
461 update_scanned_network(adapter, pnetwork);
462 spin_unlock_irqrestore(&queue->lock, irqL);
463 }
464
465 /*select the desired network based on the capability of the (i)bss.
466 * check items: (1) security
467 * (2) network_type
468 * (3) WMM
469 * (4) HT
470 * (5) others
471 */
472 static int is_desired_network(struct _adapter *adapter,
473 struct wlan_network *pnetwork)
474 {
475 u8 wps_ie[512];
476 uint wps_ielen;
477 int bselected = true;
478 struct security_priv *psecuritypriv = &adapter->securitypriv;
479
480 if (psecuritypriv->wps_phase == true) {
481 if (r8712_get_wps_ie(pnetwork->network.IEs,
482 pnetwork->network.IELength, wps_ie,
483 &wps_ielen) == true)
484 return true;
485 else
486 return false;
487 }
488 if ((psecuritypriv->PrivacyAlgrthm != _NO_PRIVACY_) &&
489 (pnetwork->network.Privacy == 0))
490 bselected = false;
491 if (check_fwstate(&adapter->mlmepriv, WIFI_ADHOC_STATE) == true) {
492 if (pnetwork->network.InfrastructureMode !=
493 adapter->mlmepriv.cur_network.network.
494 InfrastructureMode)
495 bselected = false;
496 }
497 return bselected;
498 }
499
500 /* TODO: Perry : For Power Management */
501 void r8712_atimdone_event_callback(struct _adapter *adapter , u8 *pbuf)
502 {
503 }
504
505 void r8712_survey_event_callback(struct _adapter *adapter, u8 *pbuf)
506 {
507 unsigned long flags;
508 u32 len;
509 struct ndis_wlan_bssid_ex *pnetwork;
510 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
511
512 pnetwork = (struct ndis_wlan_bssid_ex *)pbuf;
513 #ifdef __BIG_ENDIAN
514 /* endian_convert */
515 pnetwork->Length = le32_to_cpu(pnetwork->Length);
516 pnetwork->Ssid.SsidLength = le32_to_cpu(pnetwork->Ssid.SsidLength);
517 pnetwork->Privacy = le32_to_cpu(pnetwork->Privacy);
518 pnetwork->Rssi = le32_to_cpu(pnetwork->Rssi);
519 pnetwork->NetworkTypeInUse = le32_to_cpu(pnetwork->NetworkTypeInUse);
520 pnetwork->Configuration.ATIMWindow =
521 le32_to_cpu(pnetwork->Configuration.ATIMWindow);
522 pnetwork->Configuration.BeaconPeriod =
523 le32_to_cpu(pnetwork->Configuration.BeaconPeriod);
524 pnetwork->Configuration.DSConfig =
525 le32_to_cpu(pnetwork->Configuration.DSConfig);
526 pnetwork->Configuration.FHConfig.DwellTime =
527 le32_to_cpu(pnetwork->Configuration.FHConfig.DwellTime);
528 pnetwork->Configuration.FHConfig.HopPattern =
529 le32_to_cpu(pnetwork->Configuration.FHConfig.HopPattern);
530 pnetwork->Configuration.FHConfig.HopSet =
531 le32_to_cpu(pnetwork->Configuration.FHConfig.HopSet);
532 pnetwork->Configuration.FHConfig.Length =
533 le32_to_cpu(pnetwork->Configuration.FHConfig.Length);
534 pnetwork->Configuration.Length =
535 le32_to_cpu(pnetwork->Configuration.Length);
536 pnetwork->InfrastructureMode =
537 le32_to_cpu(pnetwork->InfrastructureMode);
538 pnetwork->IELength = le32_to_cpu(pnetwork->IELength);
539 #endif
540 len = r8712_get_ndis_wlan_bssid_ex_sz(pnetwork);
541 if (len > sizeof(struct wlan_bssid_ex))
542 return;
543 spin_lock_irqsave(&pmlmepriv->lock2, flags);
544 /* update IBSS_network 's timestamp */
545 if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == true) {
546 if (!memcmp(&(pmlmepriv->cur_network.network.MacAddress),
547 pnetwork->MacAddress, ETH_ALEN)) {
548 struct wlan_network *ibss_wlan = NULL;
549
550 memcpy(pmlmepriv->cur_network.network.IEs,
551 pnetwork->IEs, 8);
552 ibss_wlan = r8712_find_network(
553 &pmlmepriv->scanned_queue,
554 pnetwork->MacAddress);
555 if (ibss_wlan) {
556 memcpy(ibss_wlan->network.IEs,
557 pnetwork->IEs, 8);
558 goto exit;
559 }
560 }
561 }
562 /* lock pmlmepriv->lock when you accessing network_q */
563 if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING) == false) {
564 if (pnetwork->Ssid.Ssid[0] != 0)
565 rtl8711_add_network(adapter, pnetwork);
566 else {
567 pnetwork->Ssid.SsidLength = 8;
568 memcpy(pnetwork->Ssid.Ssid, "<hidden>", 8);
569 rtl8711_add_network(adapter, pnetwork);
570 }
571 }
572 exit:
573 spin_unlock_irqrestore(&pmlmepriv->lock2, flags);
574 }
575
576 void r8712_surveydone_event_callback(struct _adapter *adapter, u8 *pbuf)
577 {
578 unsigned long irqL;
579 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
580
581 spin_lock_irqsave(&pmlmepriv->lock, irqL);
582
583 if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY) == true) {
584 u8 timer_cancelled;
585
586 _cancel_timer(&pmlmepriv->scan_to_timer, &timer_cancelled);
587
588 _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY);
589 }
590
591 if (pmlmepriv->to_join == true) {
592 if ((check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true)) {
593 if (check_fwstate(pmlmepriv, _FW_LINKED) == false) {
594 set_fwstate(pmlmepriv, _FW_UNDER_LINKING);
595
596 if (r8712_select_and_join_from_scan(pmlmepriv)
597 == _SUCCESS)
598 _set_timer(&pmlmepriv->assoc_timer,
599 MAX_JOIN_TIMEOUT);
600 else {
601 struct wlan_bssid_ex *pdev_network =
602 &(adapter->registrypriv.dev_network);
603 u8 *pibss =
604 adapter->registrypriv.
605 dev_network.MacAddress;
606 pmlmepriv->fw_state ^= _FW_UNDER_SURVEY;
607 memcpy(&pdev_network->Ssid,
608 &pmlmepriv->assoc_ssid,
609 sizeof(struct
610 ndis_802_11_ssid));
611 r8712_update_registrypriv_dev_network
612 (adapter);
613 r8712_generate_random_ibss(pibss);
614 pmlmepriv->fw_state =
615 WIFI_ADHOC_MASTER_STATE;
616 pmlmepriv->to_join = false;
617 }
618 }
619 } else {
620 pmlmepriv->to_join = false;
621 set_fwstate(pmlmepriv, _FW_UNDER_LINKING);
622 if (r8712_select_and_join_from_scan(pmlmepriv) ==
623 _SUCCESS)
624 _set_timer(&pmlmepriv->assoc_timer,
625 MAX_JOIN_TIMEOUT);
626 else
627 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
628 }
629 }
630 spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
631 }
632
633 /*
634 *r8712_free_assoc_resources: the caller has to lock pmlmepriv->lock
635 */
636 void r8712_free_assoc_resources(struct _adapter *adapter)
637 {
638 unsigned long irqL;
639 struct wlan_network *pwlan = NULL;
640 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
641 struct sta_priv *pstapriv = &adapter->stapriv;
642 struct wlan_network *tgt_network = &pmlmepriv->cur_network;
643
644 pwlan = r8712_find_network(&pmlmepriv->scanned_queue,
645 tgt_network->network.MacAddress);
646
647 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE|WIFI_AP_STATE)) {
648 struct sta_info *psta;
649
650 psta = r8712_get_stainfo(&adapter->stapriv,
651 tgt_network->network.MacAddress);
652
653 spin_lock_irqsave(&pstapriv->sta_hash_lock, irqL);
654 r8712_free_stainfo(adapter, psta);
655 spin_unlock_irqrestore(&pstapriv->sta_hash_lock, irqL);
656 }
657
658 if (check_fwstate(pmlmepriv,
659 WIFI_ADHOC_STATE|WIFI_ADHOC_MASTER_STATE|WIFI_AP_STATE))
660 r8712_free_all_stainfo(adapter);
661 if (pwlan)
662 pwlan->fixed = false;
663
664 if (((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) &&
665 (adapter->stapriv.asoc_sta_count == 1)))
666 free_network_nolock(pmlmepriv, pwlan);
667 }
668
669 /*
670 *r8712_indicate_connect: the caller has to lock pmlmepriv->lock
671 */
672 void r8712_indicate_connect(struct _adapter *padapter)
673 {
674 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
675
676 pmlmepriv->to_join = false;
677 set_fwstate(pmlmepriv, _FW_LINKED);
678 padapter->ledpriv.LedControlHandler(padapter, LED_CTL_LINK);
679 r8712_os_indicate_connect(padapter);
680 if (padapter->registrypriv.power_mgnt > PS_MODE_ACTIVE)
681 _set_timer(&pmlmepriv->dhcp_timer, 60000);
682 }
683
684
685 /*
686 *r8712_ind_disconnect: the caller has to lock pmlmepriv->lock
687 */
688 void r8712_ind_disconnect(struct _adapter *padapter)
689 {
690 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
691
692 if (check_fwstate(pmlmepriv, _FW_LINKED) == true) {
693 _clr_fwstate_(pmlmepriv, _FW_LINKED);
694 padapter->ledpriv.LedControlHandler(padapter, LED_CTL_NO_LINK);
695 r8712_os_indicate_disconnect(padapter);
696 }
697 if (padapter->pwrctrlpriv.pwr_mode !=
698 padapter->registrypriv.power_mgnt) {
699 _cancel_timer_ex(&pmlmepriv->dhcp_timer);
700 r8712_set_ps_mode(padapter, padapter->registrypriv.power_mgnt,
701 padapter->registrypriv.smart_ps);
702 }
703 }
704
705 /*Notes:
706 *pnetwork : returns from r8712_joinbss_event_callback
707 *ptarget_wlan: found from scanned_queue
708 *if join_res > 0, for (fw_state==WIFI_STATION_STATE), we check if
709 * "ptarget_sta" & "ptarget_wlan" exist.
710 *if join_res > 0, for (fw_state==WIFI_ADHOC_STATE), we only check
711 * if "ptarget_wlan" exist.
712 *if join_res > 0, update "cur_network->network" from
713 * "pnetwork->network" if (ptarget_wlan !=NULL).
714 */
715 void r8712_joinbss_event_callback(struct _adapter *adapter, u8 *pbuf)
716 {
717 unsigned long irqL = 0, irqL2;
718 u8 timer_cancelled;
719 struct sta_info *ptarget_sta = NULL, *pcur_sta = NULL;
720 struct sta_priv *pstapriv = &adapter->stapriv;
721 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
722 struct wlan_network *cur_network = &pmlmepriv->cur_network;
723 struct wlan_network *pcur_wlan = NULL, *ptarget_wlan = NULL;
724 unsigned int the_same_macaddr = false;
725 struct wlan_network *pnetwork;
726
727 if (sizeof(struct list_head) == 4 * sizeof(u32)) {
728 pnetwork = (struct wlan_network *)
729 _malloc(sizeof(struct wlan_network));
730 memcpy((u8 *)pnetwork+16, (u8 *)pbuf + 8,
731 sizeof(struct wlan_network) - 16);
732 } else
733 pnetwork = (struct wlan_network *)pbuf;
734
735 #ifdef __BIG_ENDIAN
736 /* endian_convert */
737 pnetwork->join_res = le32_to_cpu(pnetwork->join_res);
738 pnetwork->network_type = le32_to_cpu(pnetwork->network_type);
739 pnetwork->network.Length = le32_to_cpu(pnetwork->network.Length);
740 pnetwork->network.Ssid.SsidLength =
741 le32_to_cpu(pnetwork->network.Ssid.SsidLength);
742 pnetwork->network.Privacy = le32_to_cpu(pnetwork->network.Privacy);
743 pnetwork->network.Rssi = le32_to_cpu(pnetwork->network.Rssi);
744 pnetwork->network.NetworkTypeInUse =
745 le32_to_cpu(pnetwork->network.NetworkTypeInUse);
746 pnetwork->network.Configuration.ATIMWindow =
747 le32_to_cpu(pnetwork->network.Configuration.ATIMWindow);
748 pnetwork->network.Configuration.BeaconPeriod =
749 le32_to_cpu(pnetwork->network.Configuration.BeaconPeriod);
750 pnetwork->network.Configuration.DSConfig =
751 le32_to_cpu(pnetwork->network.Configuration.DSConfig);
752 pnetwork->network.Configuration.FHConfig.DwellTime =
753 le32_to_cpu(pnetwork->network.Configuration.FHConfig.
754 DwellTime);
755 pnetwork->network.Configuration.FHConfig.HopPattern =
756 le32_to_cpu(pnetwork->network.Configuration.
757 FHConfig.HopPattern);
758 pnetwork->network.Configuration.FHConfig.HopSet =
759 le32_to_cpu(pnetwork->network.Configuration.FHConfig.HopSet);
760 pnetwork->network.Configuration.FHConfig.Length =
761 le32_to_cpu(pnetwork->network.Configuration.FHConfig.Length);
762 pnetwork->network.Configuration.Length =
763 le32_to_cpu(pnetwork->network.Configuration.Length);
764 pnetwork->network.InfrastructureMode =
765 le32_to_cpu(pnetwork->network.InfrastructureMode);
766 pnetwork->network.IELength = le32_to_cpu(pnetwork->network.IELength);
767 #endif
768
769 the_same_macaddr = !memcmp(pnetwork->network.MacAddress,
770 cur_network->network.MacAddress, ETH_ALEN);
771 pnetwork->network.Length =
772 r8712_get_ndis_wlan_bssid_ex_sz(&pnetwork->network);
773 spin_lock_irqsave(&pmlmepriv->lock, irqL);
774 if (pnetwork->network.Length > sizeof(struct wlan_bssid_ex))
775 goto ignore_joinbss_callback;
776 if (pnetwork->join_res > 0) {
777 if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING) == true) {
778 /*s1. find ptarget_wlan*/
779 if (check_fwstate(pmlmepriv, _FW_LINKED) == true) {
780 if (the_same_macaddr == true)
781 ptarget_wlan =
782 r8712_find_network(&pmlmepriv->
783 scanned_queue,
784 cur_network->network.MacAddress);
785 else {
786 pcur_wlan =
787 r8712_find_network(&pmlmepriv->
788 scanned_queue,
789 cur_network->network.MacAddress);
790 pcur_wlan->fixed = false;
791
792 pcur_sta = r8712_get_stainfo(pstapriv,
793 cur_network->network.MacAddress);
794 spin_lock_irqsave(&pstapriv->
795 sta_hash_lock, irqL2);
796 r8712_free_stainfo(adapter, pcur_sta);
797 spin_unlock_irqrestore(&(pstapriv->
798 sta_hash_lock), irqL2);
799
800 ptarget_wlan =
801 r8712_find_network(&pmlmepriv->
802 scanned_queue,
803 pnetwork->network.
804 MacAddress);
805 if (ptarget_wlan)
806 ptarget_wlan->fixed = true;
807 }
808 } else {
809 ptarget_wlan = r8712_find_network(&pmlmepriv->
810 scanned_queue,
811 pnetwork->network.MacAddress);
812 if (ptarget_wlan)
813 ptarget_wlan->fixed = true;
814 }
815
816 if (ptarget_wlan == NULL) {
817 if (check_fwstate(pmlmepriv,
818 _FW_UNDER_LINKING))
819 pmlmepriv->fw_state ^=
820 _FW_UNDER_LINKING;
821 goto ignore_joinbss_callback;
822 }
823
824 /*s2. find ptarget_sta & update ptarget_sta*/
825 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
826 if (the_same_macaddr == true) {
827 ptarget_sta =
828 r8712_get_stainfo(pstapriv,
829 pnetwork->network.MacAddress);
830 if (ptarget_sta == NULL)
831 ptarget_sta =
832 r8712_alloc_stainfo(pstapriv,
833 pnetwork->network.MacAddress);
834 } else
835 ptarget_sta =
836 r8712_alloc_stainfo(pstapriv,
837 pnetwork->network.MacAddress);
838 if (ptarget_sta) /*update ptarget_sta*/ {
839 ptarget_sta->aid = pnetwork->join_res;
840 ptarget_sta->qos_option = 1;
841 ptarget_sta->mac_id = 5;
842 if (adapter->securitypriv.
843 AuthAlgrthm == 2) {
844 adapter->securitypriv.
845 binstallGrpkey =
846 false;
847 adapter->securitypriv.
848 busetkipkey =
849 false;
850 adapter->securitypriv.
851 bgrpkey_handshake =
852 false;
853 ptarget_sta->ieee8021x_blocked
854 = true;
855 ptarget_sta->XPrivacy =
856 adapter->securitypriv.
857 PrivacyAlgrthm;
858 memset((u8 *)&ptarget_sta->
859 x_UncstKey,
860 0,
861 sizeof(union Keytype));
862 memset((u8 *)&ptarget_sta->
863 tkiprxmickey,
864 0,
865 sizeof(union Keytype));
866 memset((u8 *)&ptarget_sta->
867 tkiptxmickey,
868 0,
869 sizeof(union Keytype));
870 memset((u8 *)&ptarget_sta->
871 txpn, 0,
872 sizeof(union pn48));
873 memset((u8 *)&ptarget_sta->
874 rxpn, 0,
875 sizeof(union pn48));
876 }
877 } else {
878 if (check_fwstate(pmlmepriv,
879 _FW_UNDER_LINKING))
880 pmlmepriv->fw_state ^=
881 _FW_UNDER_LINKING;
882 goto ignore_joinbss_callback;
883 }
884 }
885
886 /*s3. update cur_network & indicate connect*/
887 memcpy(&cur_network->network, &pnetwork->network,
888 pnetwork->network.Length);
889 cur_network->aid = pnetwork->join_res;
890 /*update fw_state will clr _FW_UNDER_LINKING*/
891 switch (pnetwork->network.InfrastructureMode) {
892 case Ndis802_11Infrastructure:
893 pmlmepriv->fw_state = WIFI_STATION_STATE;
894 break;
895 case Ndis802_11IBSS:
896 pmlmepriv->fw_state = WIFI_ADHOC_STATE;
897 break;
898 default:
899 pmlmepriv->fw_state = WIFI_NULL_STATE;
900 break;
901 }
902 r8712_update_protection(adapter,
903 (cur_network->network.IEs) +
904 sizeof(struct NDIS_802_11_FIXED_IEs),
905 (cur_network->network.IELength));
906 /*TODO: update HT_Capability*/
907 update_ht_cap(adapter, cur_network->network.IEs,
908 cur_network->network.IELength);
909 /*indicate connect*/
910 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)
911 == true)
912 r8712_indicate_connect(adapter);
913 _cancel_timer(&pmlmepriv->assoc_timer,
914 &timer_cancelled);
915 } else
916 goto ignore_joinbss_callback;
917 } else {
918 if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING) == true) {
919 _set_timer(&pmlmepriv->assoc_timer, 1);
920 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
921 }
922 }
923 ignore_joinbss_callback:
924 spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
925 if (sizeof(struct list_head) == 4 * sizeof(u32))
926 kfree((u8 *)pnetwork);
927 }
928
929 void r8712_stassoc_event_callback(struct _adapter *adapter, u8 *pbuf)
930 {
931 unsigned long irqL;
932 struct sta_info *psta;
933 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
934 struct stassoc_event *pstassoc = (struct stassoc_event *)pbuf;
935
936 /* to do: */
937 if (r8712_access_ctrl(&adapter->acl_list, pstassoc->macaddr) == false)
938 return;
939 psta = r8712_get_stainfo(&adapter->stapriv, pstassoc->macaddr);
940 if (psta != NULL) {
941 /*the sta have been in sta_info_queue => do nothing
942 *(between drv has received this event before and
943 * fw have not yet to set key to CAM_ENTRY) */
944 return;
945 }
946
947 psta = r8712_alloc_stainfo(&adapter->stapriv, pstassoc->macaddr);
948 if (psta == NULL)
949 return;
950 /* to do : init sta_info variable */
951 psta->qos_option = 0;
952 psta->mac_id = le32_to_cpu((uint)pstassoc->cam_id);
953 /* psta->aid = (uint)pstassoc->cam_id; */
954
955 if (adapter->securitypriv.AuthAlgrthm == 2)
956 psta->XPrivacy = adapter->securitypriv.PrivacyAlgrthm;
957 psta->ieee8021x_blocked = false;
958 spin_lock_irqsave(&pmlmepriv->lock, irqL);
959 if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == true) ||
960 (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true)) {
961 if (adapter->stapriv.asoc_sta_count == 2) {
962 /* a sta + bc/mc_stainfo (not Ibss_stainfo) */
963 r8712_indicate_connect(adapter);
964 }
965 }
966 spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
967 }
968
969 void r8712_stadel_event_callback(struct _adapter *adapter, u8 *pbuf)
970 {
971 unsigned long irqL, irqL2;
972 struct sta_info *psta;
973 struct wlan_network *pwlan = NULL;
974 struct wlan_bssid_ex *pdev_network = NULL;
975 u8 *pibss = NULL;
976 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
977 struct stadel_event *pstadel = (struct stadel_event *)pbuf;
978 struct sta_priv *pstapriv = &adapter->stapriv;
979 struct wlan_network *tgt_network = &pmlmepriv->cur_network;
980
981 spin_lock_irqsave(&pmlmepriv->lock, irqL2);
982 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
983 r8712_ind_disconnect(adapter);
984 r8712_free_assoc_resources(adapter);
985 }
986 if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE |
987 WIFI_ADHOC_STATE)) {
988 psta = r8712_get_stainfo(&adapter->stapriv, pstadel->macaddr);
989 spin_lock_irqsave(&pstapriv->sta_hash_lock, irqL);
990 r8712_free_stainfo(adapter, psta);
991 spin_unlock_irqrestore(&pstapriv->sta_hash_lock, irqL);
992 if (adapter->stapriv.asoc_sta_count == 1) {
993 /*a sta + bc/mc_stainfo (not Ibss_stainfo) */
994 pwlan = r8712_find_network(&pmlmepriv->scanned_queue,
995 tgt_network->network.MacAddress);
996 if (pwlan) {
997 pwlan->fixed = false;
998 free_network_nolock(pmlmepriv, pwlan);
999 }
1000 /*re-create ibss*/
1001 pdev_network = &(adapter->registrypriv.dev_network);
1002 pibss = adapter->registrypriv.dev_network.MacAddress;
1003 memcpy(pdev_network, &tgt_network->network,
1004 r8712_get_ndis_wlan_bssid_ex_sz(&tgt_network->
1005 network));
1006 memcpy(&pdev_network->Ssid,
1007 &pmlmepriv->assoc_ssid,
1008 sizeof(struct ndis_802_11_ssid));
1009 r8712_update_registrypriv_dev_network(adapter);
1010 r8712_generate_random_ibss(pibss);
1011 if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) {
1012 _clr_fwstate_(pmlmepriv, WIFI_ADHOC_STATE);
1013 set_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE);
1014 }
1015 }
1016 }
1017 spin_unlock_irqrestore(&pmlmepriv->lock, irqL2);
1018 }
1019
1020 void r8712_cpwm_event_callback(struct _adapter *adapter, u8 *pbuf)
1021 {
1022 struct reportpwrstate_parm *preportpwrstate =
1023 (struct reportpwrstate_parm *)pbuf;
1024
1025 preportpwrstate->state |= (u8)(adapter->pwrctrlpriv.cpwm_tog + 0x80);
1026 r8712_cpwm_int_hdl(adapter, preportpwrstate);
1027 }
1028
1029 /* When the Netgear 3500 AP is with WPA2PSK-AES mode, it will send
1030 * the ADDBA req frame with start seq control = 0 to wifi client after
1031 * the WPA handshake and the seqence number of following data packet
1032 * will be 0. In this case, the Rx reorder sequence is not longer than 0
1033 * and the WiFi client will drop the data with seq number 0.
1034 * So, the 8712 firmware has to inform driver with receiving the
1035 * ADDBA-Req frame so that the driver can reset the
1036 * sequence value of Rx reorder control.
1037 */
1038 void r8712_got_addbareq_event_callback(struct _adapter *adapter, u8 *pbuf)
1039 {
1040 struct ADDBA_Req_Report_parm *pAddbareq_pram =
1041 (struct ADDBA_Req_Report_parm *)pbuf;
1042 struct sta_info *psta;
1043 struct sta_priv *pstapriv = &adapter->stapriv;
1044 struct recv_reorder_ctrl *precvreorder_ctrl = NULL;
1045
1046 netdev_info(adapter->pnetdev, "%s: mac = %pM, seq = %d, tid = %d\n",
1047 __func__, pAddbareq_pram->MacAddress,
1048 pAddbareq_pram->StartSeqNum, pAddbareq_pram->tid);
1049 psta = r8712_get_stainfo(pstapriv, pAddbareq_pram->MacAddress);
1050 if (psta) {
1051 precvreorder_ctrl =
1052 &psta->recvreorder_ctrl[pAddbareq_pram->tid];
1053 /* set the indicate_seq to 0xffff so that the rx reorder
1054 * can store any following data packet.
1055 */
1056 precvreorder_ctrl->indicate_seq = 0xffff;
1057 }
1058 }
1059
1060 void r8712_wpspbc_event_callback(struct _adapter *adapter, u8 *pbuf)
1061 {
1062 if (adapter->securitypriv.wps_hw_pbc_pressed == false)
1063 adapter->securitypriv.wps_hw_pbc_pressed = true;
1064 }
1065
1066 void _r8712_sitesurvey_ctrl_handler(struct _adapter *adapter)
1067 {
1068 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1069 struct sitesurvey_ctrl *psitesurveyctrl = &pmlmepriv->sitesurveyctrl;
1070 struct registry_priv *pregistrypriv = &adapter->registrypriv;
1071 u64 current_tx_pkts;
1072 uint current_rx_pkts;
1073
1074 current_tx_pkts = (adapter->xmitpriv.tx_pkts) -
1075 (psitesurveyctrl->last_tx_pkts);
1076 current_rx_pkts = (adapter->recvpriv.rx_pkts) -
1077 (psitesurveyctrl->last_rx_pkts);
1078 psitesurveyctrl->last_tx_pkts = adapter->xmitpriv.tx_pkts;
1079 psitesurveyctrl->last_rx_pkts = adapter->recvpriv.rx_pkts;
1080 if ((current_tx_pkts > pregistrypriv->busy_thresh) ||
1081 (current_rx_pkts > pregistrypriv->busy_thresh))
1082 psitesurveyctrl->traffic_busy = true;
1083 else
1084 psitesurveyctrl->traffic_busy = false;
1085 }
1086
1087 void _r8712_join_timeout_handler(struct _adapter *adapter)
1088 {
1089 unsigned long irqL;
1090 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1091
1092 if (adapter->bDriverStopped || adapter->bSurpriseRemoved)
1093 return;
1094 spin_lock_irqsave(&pmlmepriv->lock, irqL);
1095 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
1096 pmlmepriv->to_join = false;
1097 if (check_fwstate(pmlmepriv, _FW_LINKED) == true) {
1098 r8712_os_indicate_disconnect(adapter);
1099 _clr_fwstate_(pmlmepriv, _FW_LINKED);
1100 }
1101 if (adapter->pwrctrlpriv.pwr_mode != adapter->registrypriv.power_mgnt) {
1102 r8712_set_ps_mode(adapter, adapter->registrypriv.power_mgnt,
1103 adapter->registrypriv.smart_ps);
1104 }
1105 spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
1106 }
1107
1108 void r8712_scan_timeout_handler (struct _adapter *adapter)
1109 {
1110 unsigned long irqL;
1111 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1112
1113 spin_lock_irqsave(&pmlmepriv->lock, irqL);
1114 _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY);
1115 pmlmepriv->to_join = false; /* scan fail, so clear to_join flag */
1116 spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
1117 }
1118
1119 void _r8712_dhcp_timeout_handler (struct _adapter *adapter)
1120 {
1121 if (adapter->bDriverStopped || adapter->bSurpriseRemoved)
1122 return;
1123 if (adapter->pwrctrlpriv.pwr_mode != adapter->registrypriv.power_mgnt)
1124 r8712_set_ps_mode(adapter, adapter->registrypriv.power_mgnt,
1125 adapter->registrypriv.smart_ps);
1126 }
1127
1128 void _r8712_wdg_timeout_handler(struct _adapter *adapter)
1129 {
1130 r8712_wdg_wk_cmd(adapter);
1131 }
1132
1133 int r8712_select_and_join_from_scan(struct mlme_priv *pmlmepriv)
1134 {
1135 struct list_head *phead;
1136 unsigned char *dst_ssid, *src_ssid;
1137 struct _adapter *adapter;
1138 struct __queue *queue = NULL;
1139 struct wlan_network *pnetwork = NULL;
1140 struct wlan_network *pnetwork_max_rssi = NULL;
1141
1142 adapter = (struct _adapter *)pmlmepriv->nic_hdl;
1143 queue = &pmlmepriv->scanned_queue;
1144 phead = get_list_head(queue);
1145 pmlmepriv->pscanned = get_next(phead);
1146 while (1) {
1147 if (end_of_queue_search(phead, pmlmepriv->pscanned) == true) {
1148 if ((pmlmepriv->assoc_by_rssi == true) &&
1149 (pnetwork_max_rssi != NULL)) {
1150 pnetwork = pnetwork_max_rssi;
1151 goto ask_for_joinbss;
1152 }
1153 return _FAIL;
1154 }
1155 pnetwork = LIST_CONTAINOR(pmlmepriv->pscanned,
1156 struct wlan_network, list);
1157 if (pnetwork == NULL)
1158 return _FAIL;
1159 pmlmepriv->pscanned = get_next(pmlmepriv->pscanned);
1160 if (pmlmepriv->assoc_by_bssid == true) {
1161 dst_ssid = pnetwork->network.MacAddress;
1162 src_ssid = pmlmepriv->assoc_bssid;
1163 if (!memcmp(dst_ssid, src_ssid, ETH_ALEN)) {
1164 if (check_fwstate(pmlmepriv, _FW_LINKED)) {
1165 if (is_same_network(&pmlmepriv->
1166 cur_network.network,
1167 &pnetwork->network)) {
1168 _clr_fwstate_(pmlmepriv,
1169 _FW_UNDER_LINKING);
1170 /*r8712_indicate_connect again*/
1171 r8712_indicate_connect(adapter);
1172 return 2;
1173 }
1174 r8712_disassoc_cmd(adapter);
1175 r8712_ind_disconnect(adapter);
1176 r8712_free_assoc_resources(adapter);
1177 }
1178 goto ask_for_joinbss;
1179 }
1180 } else if (pmlmepriv->assoc_ssid.SsidLength == 0)
1181 goto ask_for_joinbss;
1182 dst_ssid = pnetwork->network.Ssid.Ssid;
1183 src_ssid = pmlmepriv->assoc_ssid.Ssid;
1184 if ((pnetwork->network.Ssid.SsidLength ==
1185 pmlmepriv->assoc_ssid.SsidLength) &&
1186 (!memcmp(dst_ssid, src_ssid,
1187 pmlmepriv->assoc_ssid.SsidLength))) {
1188 if (pmlmepriv->assoc_by_rssi == true) {
1189 /* if the ssid is the same, select the bss
1190 * which has the max rssi*/
1191 if (pnetwork_max_rssi) {
1192 if (pnetwork->network.Rssi >
1193 pnetwork_max_rssi->network.Rssi)
1194 pnetwork_max_rssi = pnetwork;
1195 } else
1196 pnetwork_max_rssi = pnetwork;
1197 } else if (is_desired_network(adapter, pnetwork)) {
1198 if (check_fwstate(pmlmepriv, _FW_LINKED)) {
1199 r8712_disassoc_cmd(adapter);
1200 r8712_free_assoc_resources(adapter);
1201 }
1202 goto ask_for_joinbss;
1203 }
1204 }
1205 }
1206 return _FAIL;
1207 ask_for_joinbss:
1208 return r8712_joinbss_cmd(adapter, pnetwork);
1209 }
1210
1211 sint r8712_set_auth(struct _adapter *adapter,
1212 struct security_priv *psecuritypriv)
1213 {
1214 struct cmd_priv *pcmdpriv = &adapter->cmdpriv;
1215 struct cmd_obj *pcmd;
1216 struct setauth_parm *psetauthparm;
1217 sint ret = _SUCCESS;
1218
1219 pcmd = (struct cmd_obj *)_malloc(sizeof(struct cmd_obj));
1220 if (pcmd == NULL)
1221 return _FAIL;
1222
1223 psetauthparm = (struct setauth_parm *)_malloc(
1224 sizeof(struct setauth_parm));
1225 if (psetauthparm == NULL) {
1226 kfree((unsigned char *)pcmd);
1227 return _FAIL;
1228 }
1229 memset(psetauthparm, 0, sizeof(struct setauth_parm));
1230 psetauthparm->mode = (u8)psecuritypriv->AuthAlgrthm;
1231 pcmd->cmdcode = _SetAuth_CMD_;
1232 pcmd->parmbuf = (unsigned char *)psetauthparm;
1233 pcmd->cmdsz = sizeof(struct setauth_parm);
1234 pcmd->rsp = NULL;
1235 pcmd->rspsz = 0;
1236 _init_listhead(&pcmd->list);
1237 r8712_enqueue_cmd(pcmdpriv, pcmd);
1238 return ret;
1239 }
1240
1241 sint r8712_set_key(struct _adapter *adapter,
1242 struct security_priv *psecuritypriv,
1243 sint keyid)
1244 {
1245 struct cmd_priv *pcmdpriv = &adapter->cmdpriv;
1246 struct cmd_obj *pcmd;
1247 struct setkey_parm *psetkeyparm;
1248 u8 keylen;
1249
1250 pcmd = (struct cmd_obj *)_malloc(sizeof(struct cmd_obj));
1251 if (pcmd == NULL)
1252 return _FAIL;
1253 psetkeyparm = (struct setkey_parm *)_malloc(sizeof(struct setkey_parm));
1254 if (psetkeyparm == NULL) {
1255 kfree((unsigned char *)pcmd);
1256 return _FAIL;
1257 }
1258 memset(psetkeyparm, 0, sizeof(struct setkey_parm));
1259 if (psecuritypriv->AuthAlgrthm == 2) { /* 802.1X */
1260 psetkeyparm->algorithm =
1261 (u8)psecuritypriv->XGrpPrivacy;
1262 } else { /* WEP */
1263 psetkeyparm->algorithm =
1264 (u8)psecuritypriv->PrivacyAlgrthm;
1265 }
1266 psetkeyparm->keyid = (u8)keyid;
1267
1268 switch (psetkeyparm->algorithm) {
1269 case _WEP40_:
1270 keylen = 5;
1271 memcpy(psetkeyparm->key,
1272 psecuritypriv->DefKey[keyid].skey, keylen);
1273 break;
1274 case _WEP104_:
1275 keylen = 13;
1276 memcpy(psetkeyparm->key,
1277 psecuritypriv->DefKey[keyid].skey, keylen);
1278 break;
1279 case _TKIP_:
1280 if (keyid < 1 || keyid > 2)
1281 return _FAIL;
1282 keylen = 16;
1283 memcpy(psetkeyparm->key,
1284 &psecuritypriv->XGrpKey[keyid - 1], keylen);
1285 psetkeyparm->grpkey = 1;
1286 break;
1287 case _AES_:
1288 if (keyid < 1 || keyid > 2)
1289 return _FAIL;
1290 keylen = 16;
1291 memcpy(psetkeyparm->key,
1292 &psecuritypriv->XGrpKey[keyid - 1], keylen);
1293 psetkeyparm->grpkey = 1;
1294 break;
1295 default:
1296 return _FAIL;
1297 }
1298 pcmd->cmdcode = _SetKey_CMD_;
1299 pcmd->parmbuf = (u8 *)psetkeyparm;
1300 pcmd->cmdsz = (sizeof(struct setkey_parm));
1301 pcmd->rsp = NULL;
1302 pcmd->rspsz = 0;
1303 _init_listhead(&pcmd->list);
1304 r8712_enqueue_cmd(pcmdpriv, pcmd);
1305 return _SUCCESS;
1306 }
1307
1308 /* adjust IEs for r8712_joinbss_cmd in WMM */
1309 int r8712_restruct_wmm_ie(struct _adapter *adapter, u8 *in_ie, u8 *out_ie,
1310 uint in_len, uint initial_out_len)
1311 {
1312 unsigned int ielength = 0;
1313 unsigned int i, j;
1314
1315 i = 12; /* after the fixed IE */
1316 while (i < in_len) {
1317 ielength = initial_out_len;
1318 if (in_ie[i] == 0xDD && in_ie[i + 2] == 0x00 &&
1319 in_ie[i + 3] == 0x50 && in_ie[i + 4] == 0xF2 &&
1320 in_ie[i + 5] == 0x02 && i + 5 < in_len) {
1321 /*WMM element ID and OUI*/
1322 for (j = i; j < i + 9; j++) {
1323 out_ie[ielength] = in_ie[j];
1324 ielength++;
1325 }
1326 out_ie[initial_out_len + 1] = 0x07;
1327 out_ie[initial_out_len + 6] = 0x00;
1328 out_ie[initial_out_len + 8] = 0x00;
1329 break;
1330 }
1331 i += (in_ie[i + 1] + 2); /* to the next IE element */
1332 }
1333 return ielength;
1334 }
1335
1336 /*
1337 * Ported from 8185: IsInPreAuthKeyList().
1338 *
1339 * Search by BSSID,
1340 * Return Value:
1341 * -1 :if there is no pre-auth key in the table
1342 * >=0 :if there is pre-auth key, and return the entry id
1343 */
1344 static int SecIsInPMKIDList(struct _adapter *Adapter, u8 *bssid)
1345 {
1346 struct security_priv *psecuritypriv = &Adapter->securitypriv;
1347 int i = 0;
1348
1349 do {
1350 if (psecuritypriv->PMKIDList[i].bUsed &&
1351 (!memcmp(psecuritypriv->PMKIDList[i].Bssid,
1352 bssid, ETH_ALEN)))
1353 break;
1354 else
1355 i++;
1356 } while (i < NUM_PMKID_CACHE);
1357
1358 if (i == NUM_PMKID_CACHE) {
1359 i = -1; /* Could not find. */
1360 } else {
1361 ; /* There is one Pre-Authentication Key for the
1362 * specific BSSID. */
1363 }
1364 return i;
1365 }
1366
1367 sint r8712_restruct_sec_ie(struct _adapter *adapter, u8 *in_ie,
1368 u8 *out_ie, uint in_len)
1369 {
1370 u8 authmode = 0, securitytype, match;
1371 u8 sec_ie[255], uncst_oui[4], bkup_ie[255];
1372 u8 wpa_oui[4] = {0x0, 0x50, 0xf2, 0x01};
1373 uint ielength, cnt, remove_cnt;
1374 int iEntry;
1375 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1376 struct security_priv *psecuritypriv = &adapter->securitypriv;
1377 uint ndisauthmode = psecuritypriv->ndisauthtype;
1378 uint ndissecuritytype = psecuritypriv->ndisencryptstatus;
1379
1380 if ((ndisauthmode == Ndis802_11AuthModeWPA) ||
1381 (ndisauthmode == Ndis802_11AuthModeWPAPSK)) {
1382 authmode = _WPA_IE_ID_;
1383 uncst_oui[0] = 0x0;
1384 uncst_oui[1] = 0x50;
1385 uncst_oui[2] = 0xf2;
1386 }
1387 if ((ndisauthmode == Ndis802_11AuthModeWPA2) ||
1388 (ndisauthmode == Ndis802_11AuthModeWPA2PSK)) {
1389 authmode = _WPA2_IE_ID_;
1390 uncst_oui[0] = 0x0;
1391 uncst_oui[1] = 0x0f;
1392 uncst_oui[2] = 0xac;
1393 }
1394 switch (ndissecuritytype) {
1395 case Ndis802_11Encryption1Enabled:
1396 case Ndis802_11Encryption1KeyAbsent:
1397 securitytype = _WEP40_;
1398 uncst_oui[3] = 0x1;
1399 break;
1400 case Ndis802_11Encryption2Enabled:
1401 case Ndis802_11Encryption2KeyAbsent:
1402 securitytype = _TKIP_;
1403 uncst_oui[3] = 0x2;
1404 break;
1405 case Ndis802_11Encryption3Enabled:
1406 case Ndis802_11Encryption3KeyAbsent:
1407 securitytype = _AES_;
1408 uncst_oui[3] = 0x4;
1409 break;
1410 default:
1411 securitytype = _NO_PRIVACY_;
1412 break;
1413 }
1414 /*Search required WPA or WPA2 IE and copy to sec_ie[] */
1415 cnt = 12;
1416 match = false;
1417 while (cnt < in_len) {
1418 if (in_ie[cnt] == authmode) {
1419 if ((authmode == _WPA_IE_ID_) &&
1420 (!memcmp(&in_ie[cnt+2], &wpa_oui[0], 4))) {
1421 memcpy(&sec_ie[0], &in_ie[cnt],
1422 in_ie[cnt + 1] + 2);
1423 match = true;
1424 break;
1425 }
1426 if (authmode == _WPA2_IE_ID_) {
1427 memcpy(&sec_ie[0], &in_ie[cnt],
1428 in_ie[cnt + 1] + 2);
1429 match = true;
1430 break;
1431 }
1432 if (((authmode == _WPA_IE_ID_) &&
1433 (!memcmp(&in_ie[cnt + 2], &wpa_oui[0], 4))) ||
1434 (authmode == _WPA2_IE_ID_))
1435 memcpy(&bkup_ie[0], &in_ie[cnt],
1436 in_ie[cnt + 1] + 2);
1437 }
1438 cnt += in_ie[cnt+1] + 2; /*get next*/
1439 }
1440 /*restruct WPA IE or WPA2 IE in sec_ie[] */
1441 if (match == true) {
1442 if (sec_ie[0] == _WPA_IE_ID_) {
1443 /* parsing SSN IE to select required encryption
1444 * algorithm, and set the bc/mc encryption algorithm */
1445 while (true) {
1446 /*check wpa_oui tag*/
1447 if (memcmp(&sec_ie[2], &wpa_oui[0], 4)) {
1448 match = false;
1449 break;
1450 }
1451 if ((sec_ie[6] != 0x01) || (sec_ie[7] != 0x0)) {
1452 /*IE Ver error*/
1453 match = false;
1454 break;
1455 }
1456 if (!memcmp(&sec_ie[8], &wpa_oui[0], 3)) {
1457 /* get bc/mc encryption type (group
1458 * key type)*/
1459 switch (sec_ie[11]) {
1460 case 0x0: /*none*/
1461 psecuritypriv->XGrpPrivacy =
1462 _NO_PRIVACY_;
1463 break;
1464 case 0x1: /*WEP_40*/
1465 psecuritypriv->XGrpPrivacy =
1466 _WEP40_;
1467 break;
1468 case 0x2: /*TKIP*/
1469 psecuritypriv->XGrpPrivacy =
1470 _TKIP_;
1471 break;
1472 case 0x3: /*AESCCMP*/
1473 case 0x4:
1474 psecuritypriv->XGrpPrivacy =
1475 _AES_;
1476 break;
1477 case 0x5: /*WEP_104*/
1478 psecuritypriv->XGrpPrivacy =
1479 _WEP104_;
1480 break;
1481 }
1482 } else {
1483 match = false;
1484 break;
1485 }
1486 if (sec_ie[12] == 0x01) {
1487 /*check the unicast encryption type*/
1488 if (memcmp(&sec_ie[14],
1489 &uncst_oui[0], 4)) {
1490 match = false;
1491 break;
1492
1493 } /*else the uncst_oui is match*/
1494 } else { /*mixed mode, unicast_enc_type > 1*/
1495 /*select the uncst_oui and remove
1496 * the other uncst_oui*/
1497 cnt = sec_ie[12];
1498 remove_cnt = (cnt-1) * 4;
1499 sec_ie[12] = 0x01;
1500 memcpy(&sec_ie[14], &uncst_oui[0], 4);
1501 /*remove the other unicast suit*/
1502 memcpy(&sec_ie[18],
1503 &sec_ie[18 + remove_cnt],
1504 sec_ie[1] - 18 + 2 -
1505 remove_cnt);
1506 sec_ie[1] = sec_ie[1] - remove_cnt;
1507 }
1508 break;
1509 }
1510 }
1511 if (authmode == _WPA2_IE_ID_) {
1512 /* parsing RSN IE to select required encryption
1513 * algorithm, and set the bc/mc encryption algorithm */
1514 while (true) {
1515 if ((sec_ie[2] != 0x01) || (sec_ie[3] != 0x0)) {
1516 /*IE Ver error*/
1517 match = false;
1518 break;
1519 }
1520 if (!memcmp(&sec_ie[4], &uncst_oui[0], 3)) {
1521 /*get bc/mc encryption type*/
1522 switch (sec_ie[7]) {
1523 case 0x1: /*WEP_40*/
1524 psecuritypriv->XGrpPrivacy =
1525 _WEP40_;
1526 break;
1527 case 0x2: /*TKIP*/
1528 psecuritypriv->XGrpPrivacy =
1529 _TKIP_;
1530 break;
1531 case 0x4: /*AESWRAP*/
1532 psecuritypriv->XGrpPrivacy =
1533 _AES_;
1534 break;
1535 case 0x5: /*WEP_104*/
1536 psecuritypriv->XGrpPrivacy =
1537 _WEP104_;
1538 break;
1539 default: /*one*/
1540 psecuritypriv->XGrpPrivacy =
1541 _NO_PRIVACY_;
1542 break;
1543 }
1544 } else {
1545 match = false;
1546 break;
1547 }
1548 if (sec_ie[8] == 0x01) {
1549 /*check the unicast encryption type*/
1550 if (memcmp(&sec_ie[10],
1551 &uncst_oui[0], 4)) {
1552 match = false;
1553 break;
1554 } /*else the uncst_oui is match*/
1555 } else { /*mixed mode, unicast_enc_type > 1*/
1556 /*select the uncst_oui and remove the
1557 * other uncst_oui*/
1558 cnt = sec_ie[8];
1559 remove_cnt = (cnt-1)*4;
1560 sec_ie[8] = 0x01;
1561 memcpy(&sec_ie[10], &uncst_oui[0], 4);
1562 /*remove the other unicast suit*/
1563 memcpy(&sec_ie[14],
1564 &sec_ie[14 + remove_cnt],
1565 (sec_ie[1] - 14 + 2 -
1566 remove_cnt));
1567 sec_ie[1] = sec_ie[1]-remove_cnt;
1568 }
1569 break;
1570 }
1571 }
1572 }
1573 if ((authmode == _WPA_IE_ID_) || (authmode == _WPA2_IE_ID_)) {
1574 /*copy fixed ie*/
1575 memcpy(out_ie, in_ie, 12);
1576 ielength = 12;
1577 /*copy RSN or SSN*/
1578 if (match == true) {
1579 memcpy(&out_ie[ielength], &sec_ie[0], sec_ie[1]+2);
1580 ielength += sec_ie[1] + 2;
1581 if (authmode == _WPA2_IE_ID_) {
1582 /*the Pre-Authentication bit should be zero*/
1583 out_ie[ielength - 1] = 0;
1584 out_ie[ielength - 2] = 0;
1585 }
1586 r8712_report_sec_ie(adapter, authmode, sec_ie);
1587 }
1588 } else {
1589 /*copy fixed ie only*/
1590 memcpy(out_ie, in_ie, 12);
1591 ielength = 12;
1592 if (psecuritypriv->wps_phase == true) {
1593 memcpy(out_ie+ielength, psecuritypriv->wps_ie,
1594 psecuritypriv->wps_ie_len);
1595 ielength += psecuritypriv->wps_ie_len;
1596 }
1597 }
1598 iEntry = SecIsInPMKIDList(adapter, pmlmepriv->assoc_bssid);
1599 if (iEntry < 0)
1600 return ielength;
1601 else {
1602 if (authmode == _WPA2_IE_ID_) {
1603 out_ie[ielength] = 1;
1604 ielength++;
1605 out_ie[ielength] = 0; /*PMKID count = 0x0100*/
1606 ielength++;
1607 memcpy(&out_ie[ielength],
1608 &psecuritypriv->PMKIDList[iEntry].PMKID, 16);
1609 ielength += 16;
1610 out_ie[13] += 18;/*PMKID length = 2+16*/
1611 }
1612 }
1613 return ielength;
1614 }
1615
1616 void r8712_init_registrypriv_dev_network(struct _adapter *adapter)
1617 {
1618 struct registry_priv *pregistrypriv = &adapter->registrypriv;
1619 struct eeprom_priv *peepriv = &adapter->eeprompriv;
1620 struct wlan_bssid_ex *pdev_network = &pregistrypriv->dev_network;
1621 u8 *myhwaddr = myid(peepriv);
1622
1623 memcpy(pdev_network->MacAddress, myhwaddr, ETH_ALEN);
1624 memcpy(&pdev_network->Ssid, &pregistrypriv->ssid,
1625 sizeof(struct ndis_802_11_ssid));
1626 pdev_network->Configuration.Length =
1627 sizeof(struct NDIS_802_11_CONFIGURATION);
1628 pdev_network->Configuration.BeaconPeriod = 100;
1629 pdev_network->Configuration.FHConfig.Length = 0;
1630 pdev_network->Configuration.FHConfig.HopPattern = 0;
1631 pdev_network->Configuration.FHConfig.HopSet = 0;
1632 pdev_network->Configuration.FHConfig.DwellTime = 0;
1633 }
1634
1635 void r8712_update_registrypriv_dev_network(struct _adapter *adapter)
1636 {
1637 int sz = 0;
1638 struct registry_priv *pregistrypriv = &adapter->registrypriv;
1639 struct wlan_bssid_ex *pdev_network = &pregistrypriv->dev_network;
1640 struct security_priv *psecuritypriv = &adapter->securitypriv;
1641 struct wlan_network *cur_network = &adapter->mlmepriv.cur_network;
1642
1643 pdev_network->Privacy = cpu_to_le32(psecuritypriv->PrivacyAlgrthm
1644 > 0 ? 1 : 0) ; /* adhoc no 802.1x */
1645 pdev_network->Rssi = 0;
1646 switch (pregistrypriv->wireless_mode) {
1647 case WIRELESS_11B:
1648 pdev_network->NetworkTypeInUse = cpu_to_le32(Ndis802_11DS);
1649 break;
1650 case WIRELESS_11G:
1651 case WIRELESS_11BG:
1652 pdev_network->NetworkTypeInUse = cpu_to_le32(Ndis802_11OFDM24);
1653 break;
1654 case WIRELESS_11A:
1655 pdev_network->NetworkTypeInUse = cpu_to_le32(Ndis802_11OFDM5);
1656 break;
1657 default:
1658 /* TODO */
1659 break;
1660 }
1661 pdev_network->Configuration.DSConfig = cpu_to_le32(
1662 pregistrypriv->channel);
1663 if (cur_network->network.InfrastructureMode == Ndis802_11IBSS)
1664 pdev_network->Configuration.ATIMWindow = cpu_to_le32(3);
1665 pdev_network->InfrastructureMode = cpu_to_le32(
1666 cur_network->network.InfrastructureMode);
1667 /* 1. Supported rates
1668 * 2. IE
1669 */
1670 sz = r8712_generate_ie(pregistrypriv);
1671 pdev_network->IELength = sz;
1672 pdev_network->Length = r8712_get_ndis_wlan_bssid_ex_sz(
1673 (struct ndis_wlan_bssid_ex *)pdev_network);
1674 }
1675
1676 /*the function is at passive_level*/
1677 void r8712_joinbss_reset(struct _adapter *padapter)
1678 {
1679 int i;
1680 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1681 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
1682
1683 /* todo: if you want to do something io/reg/hw setting before join_bss,
1684 * please add code here */
1685 phtpriv->ampdu_enable = false;/*reset to disabled*/
1686 for (i = 0; i < 16; i++)
1687 phtpriv->baddbareq_issued[i] = false;/*reset it*/
1688 if (phtpriv->ht_option) {
1689 /* validate usb rx aggregation */
1690 r8712_write8(padapter, 0x102500D9, 48);/*TH = 48 pages, 6k*/
1691 } else {
1692 /* invalidate usb rx aggregation */
1693 /* TH=1 => means that invalidate usb rx aggregation */
1694 r8712_write8(padapter, 0x102500D9, 1);
1695 }
1696 }
1697
1698 /*the function is >= passive_level*/
1699 unsigned int r8712_restructure_ht_ie(struct _adapter *padapter, u8 *in_ie,
1700 u8 *out_ie, uint in_len, uint *pout_len)
1701 {
1702 u32 ielen, out_len;
1703 unsigned char *p, *pframe;
1704 struct ieee80211_ht_cap ht_capie;
1705 unsigned char WMM_IE[] = {0x00, 0x50, 0xf2, 0x02, 0x00, 0x01, 0x00};
1706 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1707 struct qos_priv *pqospriv = &pmlmepriv->qospriv;
1708 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
1709
1710 phtpriv->ht_option = 0;
1711 p = r8712_get_ie(in_ie+12, _HT_CAPABILITY_IE_, &ielen, in_len-12);
1712 if (p && (ielen > 0)) {
1713 if (pqospriv->qos_option == 0) {
1714 out_len = *pout_len;
1715 pframe = r8712_set_ie(out_ie+out_len,
1716 _VENDOR_SPECIFIC_IE_,
1717 _WMM_IE_Length_,
1718 WMM_IE, pout_len);
1719 pqospriv->qos_option = 1;
1720 }
1721 out_len = *pout_len;
1722 memset(&ht_capie, 0, sizeof(struct ieee80211_ht_cap));
1723 ht_capie.cap_info = IEEE80211_HT_CAP_SUP_WIDTH |
1724 IEEE80211_HT_CAP_SGI_20 |
1725 IEEE80211_HT_CAP_SGI_40 |
1726 IEEE80211_HT_CAP_TX_STBC |
1727 IEEE80211_HT_CAP_MAX_AMSDU |
1728 IEEE80211_HT_CAP_DSSSCCK40;
1729 ht_capie.ampdu_params_info = (IEEE80211_HT_CAP_AMPDU_FACTOR &
1730 0x03) | (IEEE80211_HT_CAP_AMPDU_DENSITY & 0x00);
1731 pframe = r8712_set_ie(out_ie+out_len, _HT_CAPABILITY_IE_,
1732 sizeof(struct ieee80211_ht_cap),
1733 (unsigned char *)&ht_capie, pout_len);
1734 phtpriv->ht_option = 1;
1735 }
1736 return phtpriv->ht_option;
1737 }
1738
1739 /* the function is > passive_level (in critical_section) */
1740 static void update_ht_cap(struct _adapter *padapter, u8 *pie, uint ie_len)
1741 {
1742 u8 *p, max_ampdu_sz;
1743 int i, len;
1744 struct sta_info *bmc_sta, *psta;
1745 struct ieee80211_ht_cap *pht_capie;
1746 struct ieee80211_ht_addt_info *pht_addtinfo;
1747 struct recv_reorder_ctrl *preorder_ctrl;
1748 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1749 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
1750 struct registry_priv *pregistrypriv = &padapter->registrypriv;
1751 struct wlan_network *pcur_network = &(pmlmepriv->cur_network);
1752
1753 if (!phtpriv->ht_option)
1754 return;
1755 /* maybe needs check if ap supports rx ampdu. */
1756 if ((phtpriv->ampdu_enable == false) &&
1757 (pregistrypriv->ampdu_enable == 1))
1758 phtpriv->ampdu_enable = true;
1759 /*check Max Rx A-MPDU Size*/
1760 len = 0;
1761 p = r8712_get_ie(pie + sizeof(struct NDIS_802_11_FIXED_IEs),
1762 _HT_CAPABILITY_IE_,
1763 &len, ie_len -
1764 sizeof(struct NDIS_802_11_FIXED_IEs));
1765 if (p && len > 0) {
1766 pht_capie = (struct ieee80211_ht_cap *)(p+2);
1767 max_ampdu_sz = (pht_capie->ampdu_params_info &
1768 IEEE80211_HT_CAP_AMPDU_FACTOR);
1769 /* max_ampdu_sz (kbytes); */
1770 max_ampdu_sz = 1 << (max_ampdu_sz+3);
1771 phtpriv->rx_ampdu_maxlen = max_ampdu_sz;
1772 }
1773 /* for A-MPDU Rx reordering buffer control for bmc_sta & sta_info
1774 * if A-MPDU Rx is enabled, resetting rx_ordering_ctrl
1775 * wstart_b(indicate_seq) to default value=0xffff
1776 * todo: check if AP can send A-MPDU packets
1777 */
1778 bmc_sta = r8712_get_bcmc_stainfo(padapter);
1779 if (bmc_sta) {
1780 for (i = 0; i < 16; i++) {
1781 preorder_ctrl = &bmc_sta->recvreorder_ctrl[i];
1782 preorder_ctrl->indicate_seq = 0xffff;
1783 preorder_ctrl->wend_b = 0xffff;
1784 }
1785 }
1786 psta = r8712_get_stainfo(&padapter->stapriv,
1787 pcur_network->network.MacAddress);
1788 if (psta) {
1789 for (i = 0; i < 16 ; i++) {
1790 preorder_ctrl = &psta->recvreorder_ctrl[i];
1791 preorder_ctrl->indicate_seq = 0xffff;
1792 preorder_ctrl->wend_b = 0xffff;
1793 }
1794 }
1795 len = 0;
1796 p = r8712_get_ie(pie + sizeof(struct NDIS_802_11_FIXED_IEs),
1797 _HT_ADD_INFO_IE_, &len,
1798 ie_len-sizeof(struct NDIS_802_11_FIXED_IEs));
1799 if (p && len > 0)
1800 pht_addtinfo = (struct ieee80211_ht_addt_info *)(p + 2);
1801 }
1802
1803 void r8712_issue_addbareq_cmd(struct _adapter *padapter, int priority)
1804 {
1805 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1806 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
1807
1808 if ((phtpriv->ht_option == 1) && (phtpriv->ampdu_enable == true)) {
1809 if (phtpriv->baddbareq_issued[priority] == false) {
1810 r8712_addbareq_cmd(padapter, (u8)priority);
1811 phtpriv->baddbareq_issued[priority] = true;
1812 }
1813 }
1814 }
Linus' kernel tree