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Merge tag 'firewire-updates' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee139...
[deliverable/linux.git] / drivers / staging / rtl8712 / rtl871x_mlme.c
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 memset(&pdev_network->Ssid, 0,
608 sizeof(struct
609 ndis_802_11_ssid));
610 memcpy(&pdev_network->Ssid,
611 &pmlmepriv->assoc_ssid,
612 sizeof(struct
613 ndis_802_11_ssid));
614 r8712_update_registrypriv_dev_network
615 (adapter);
616 r8712_generate_random_ibss(pibss);
617 pmlmepriv->fw_state =
618 WIFI_ADHOC_MASTER_STATE;
619 pmlmepriv->to_join = false;
620 }
621 }
622 } else {
623 pmlmepriv->to_join = false;
624 set_fwstate(pmlmepriv, _FW_UNDER_LINKING);
625 if (r8712_select_and_join_from_scan(pmlmepriv) ==
626 _SUCCESS)
627 _set_timer(&pmlmepriv->assoc_timer,
628 MAX_JOIN_TIMEOUT);
629 else
630 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
631 }
632 }
633 spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
634 }
635
636 /*
637 *r8712_free_assoc_resources: the caller has to lock pmlmepriv->lock
638 */
639 void r8712_free_assoc_resources(struct _adapter *adapter)
640 {
641 unsigned long irqL;
642 struct wlan_network *pwlan = NULL;
643 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
644 struct sta_priv *pstapriv = &adapter->stapriv;
645 struct wlan_network *tgt_network = &pmlmepriv->cur_network;
646
647 pwlan = r8712_find_network(&pmlmepriv->scanned_queue,
648 tgt_network->network.MacAddress);
649
650 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE|WIFI_AP_STATE)) {
651 struct sta_info *psta;
652
653 psta = r8712_get_stainfo(&adapter->stapriv,
654 tgt_network->network.MacAddress);
655
656 spin_lock_irqsave(&pstapriv->sta_hash_lock, irqL);
657 r8712_free_stainfo(adapter, psta);
658 spin_unlock_irqrestore(&pstapriv->sta_hash_lock, irqL);
659 }
660
661 if (check_fwstate(pmlmepriv,
662 WIFI_ADHOC_STATE|WIFI_ADHOC_MASTER_STATE|WIFI_AP_STATE))
663 r8712_free_all_stainfo(adapter);
664 if (pwlan)
665 pwlan->fixed = false;
666
667 if (((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) &&
668 (adapter->stapriv.asoc_sta_count == 1)))
669 free_network_nolock(pmlmepriv, pwlan);
670 }
671
672 /*
673 *r8712_indicate_connect: the caller has to lock pmlmepriv->lock
674 */
675 void r8712_indicate_connect(struct _adapter *padapter)
676 {
677 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
678
679 pmlmepriv->to_join = false;
680 set_fwstate(pmlmepriv, _FW_LINKED);
681 padapter->ledpriv.LedControlHandler(padapter, LED_CTL_LINK);
682 r8712_os_indicate_connect(padapter);
683 if (padapter->registrypriv.power_mgnt > PS_MODE_ACTIVE)
684 _set_timer(&pmlmepriv->dhcp_timer, 60000);
685 }
686
687
688 /*
689 *r8712_ind_disconnect: the caller has to lock pmlmepriv->lock
690 */
691 void r8712_ind_disconnect(struct _adapter *padapter)
692 {
693 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
694
695 if (check_fwstate(pmlmepriv, _FW_LINKED) == true) {
696 _clr_fwstate_(pmlmepriv, _FW_LINKED);
697 padapter->ledpriv.LedControlHandler(padapter, LED_CTL_NO_LINK);
698 r8712_os_indicate_disconnect(padapter);
699 }
700 if (padapter->pwrctrlpriv.pwr_mode !=
701 padapter->registrypriv.power_mgnt) {
702 _cancel_timer_ex(&pmlmepriv->dhcp_timer);
703 r8712_set_ps_mode(padapter, padapter->registrypriv.power_mgnt,
704 padapter->registrypriv.smart_ps);
705 }
706 }
707
708 /*Notes:
709 *pnetwork : returns from r8712_joinbss_event_callback
710 *ptarget_wlan: found from scanned_queue
711 *if join_res > 0, for (fw_state==WIFI_STATION_STATE), we check if
712 * "ptarget_sta" & "ptarget_wlan" exist.
713 *if join_res > 0, for (fw_state==WIFI_ADHOC_STATE), we only check
714 * if "ptarget_wlan" exist.
715 *if join_res > 0, update "cur_network->network" from
716 * "pnetwork->network" if (ptarget_wlan !=NULL).
717 */
718 void r8712_joinbss_event_callback(struct _adapter *adapter, u8 *pbuf)
719 {
720 unsigned long irqL = 0, irqL2;
721 u8 timer_cancelled;
722 struct sta_info *ptarget_sta = NULL, *pcur_sta = NULL;
723 struct sta_priv *pstapriv = &adapter->stapriv;
724 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
725 struct wlan_network *cur_network = &pmlmepriv->cur_network;
726 struct wlan_network *pcur_wlan = NULL, *ptarget_wlan = NULL;
727 unsigned int the_same_macaddr = false;
728 struct wlan_network *pnetwork;
729
730 if (sizeof(struct list_head) == 4 * sizeof(u32)) {
731 pnetwork = (struct wlan_network *)
732 _malloc(sizeof(struct wlan_network));
733 memcpy((u8 *)pnetwork+16, (u8 *)pbuf + 8,
734 sizeof(struct wlan_network) - 16);
735 } else
736 pnetwork = (struct wlan_network *)pbuf;
737
738 #ifdef __BIG_ENDIAN
739 /* endian_convert */
740 pnetwork->join_res = le32_to_cpu(pnetwork->join_res);
741 pnetwork->network_type = le32_to_cpu(pnetwork->network_type);
742 pnetwork->network.Length = le32_to_cpu(pnetwork->network.Length);
743 pnetwork->network.Ssid.SsidLength =
744 le32_to_cpu(pnetwork->network.Ssid.SsidLength);
745 pnetwork->network.Privacy = le32_to_cpu(pnetwork->network.Privacy);
746 pnetwork->network.Rssi = le32_to_cpu(pnetwork->network.Rssi);
747 pnetwork->network.NetworkTypeInUse =
748 le32_to_cpu(pnetwork->network.NetworkTypeInUse);
749 pnetwork->network.Configuration.ATIMWindow =
750 le32_to_cpu(pnetwork->network.Configuration.ATIMWindow);
751 pnetwork->network.Configuration.BeaconPeriod =
752 le32_to_cpu(pnetwork->network.Configuration.BeaconPeriod);
753 pnetwork->network.Configuration.DSConfig =
754 le32_to_cpu(pnetwork->network.Configuration.DSConfig);
755 pnetwork->network.Configuration.FHConfig.DwellTime =
756 le32_to_cpu(pnetwork->network.Configuration.FHConfig.
757 DwellTime);
758 pnetwork->network.Configuration.FHConfig.HopPattern =
759 le32_to_cpu(pnetwork->network.Configuration.
760 FHConfig.HopPattern);
761 pnetwork->network.Configuration.FHConfig.HopSet =
762 le32_to_cpu(pnetwork->network.Configuration.FHConfig.HopSet);
763 pnetwork->network.Configuration.FHConfig.Length =
764 le32_to_cpu(pnetwork->network.Configuration.FHConfig.Length);
765 pnetwork->network.Configuration.Length =
766 le32_to_cpu(pnetwork->network.Configuration.Length);
767 pnetwork->network.InfrastructureMode =
768 le32_to_cpu(pnetwork->network.InfrastructureMode);
769 pnetwork->network.IELength = le32_to_cpu(pnetwork->network.IELength);
770 #endif
771
772 the_same_macaddr = !memcmp(pnetwork->network.MacAddress,
773 cur_network->network.MacAddress, ETH_ALEN);
774 pnetwork->network.Length =
775 r8712_get_ndis_wlan_bssid_ex_sz(&pnetwork->network);
776 spin_lock_irqsave(&pmlmepriv->lock, irqL);
777 if (pnetwork->network.Length > sizeof(struct wlan_bssid_ex))
778 goto ignore_joinbss_callback;
779 if (pnetwork->join_res > 0) {
780 if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING) == true) {
781 /*s1. find ptarget_wlan*/
782 if (check_fwstate(pmlmepriv, _FW_LINKED) == true) {
783 if (the_same_macaddr == true)
784 ptarget_wlan =
785 r8712_find_network(&pmlmepriv->
786 scanned_queue,
787 cur_network->network.MacAddress);
788 else {
789 pcur_wlan =
790 r8712_find_network(&pmlmepriv->
791 scanned_queue,
792 cur_network->network.MacAddress);
793 pcur_wlan->fixed = false;
794
795 pcur_sta = r8712_get_stainfo(pstapriv,
796 cur_network->network.MacAddress);
797 spin_lock_irqsave(&pstapriv->
798 sta_hash_lock, irqL2);
799 r8712_free_stainfo(adapter, pcur_sta);
800 spin_unlock_irqrestore(&(pstapriv->
801 sta_hash_lock), irqL2);
802
803 ptarget_wlan =
804 r8712_find_network(&pmlmepriv->
805 scanned_queue,
806 pnetwork->network.
807 MacAddress);
808 if (ptarget_wlan)
809 ptarget_wlan->fixed = true;
810 }
811 } else {
812 ptarget_wlan = r8712_find_network(&pmlmepriv->
813 scanned_queue,
814 pnetwork->network.MacAddress);
815 if (ptarget_wlan)
816 ptarget_wlan->fixed = true;
817 }
818
819 if (ptarget_wlan == NULL) {
820 if (check_fwstate(pmlmepriv,
821 _FW_UNDER_LINKING))
822 pmlmepriv->fw_state ^=
823 _FW_UNDER_LINKING;
824 goto ignore_joinbss_callback;
825 }
826
827 /*s2. find ptarget_sta & update ptarget_sta*/
828 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
829 if (the_same_macaddr == true) {
830 ptarget_sta =
831 r8712_get_stainfo(pstapriv,
832 pnetwork->network.MacAddress);
833 if (ptarget_sta == NULL)
834 ptarget_sta =
835 r8712_alloc_stainfo(pstapriv,
836 pnetwork->network.MacAddress);
837 } else
838 ptarget_sta =
839 r8712_alloc_stainfo(pstapriv,
840 pnetwork->network.MacAddress);
841 if (ptarget_sta) /*update ptarget_sta*/ {
842 ptarget_sta->aid = pnetwork->join_res;
843 ptarget_sta->qos_option = 1;
844 ptarget_sta->mac_id = 5;
845 if (adapter->securitypriv.
846 AuthAlgrthm == 2) {
847 adapter->securitypriv.
848 binstallGrpkey =
849 false;
850 adapter->securitypriv.
851 busetkipkey =
852 false;
853 adapter->securitypriv.
854 bgrpkey_handshake =
855 false;
856 ptarget_sta->ieee8021x_blocked
857 = true;
858 ptarget_sta->XPrivacy =
859 adapter->securitypriv.
860 PrivacyAlgrthm;
861 memset((u8 *)&ptarget_sta->
862 x_UncstKey,
863 0,
864 sizeof(union Keytype));
865 memset((u8 *)&ptarget_sta->
866 tkiprxmickey,
867 0,
868 sizeof(union Keytype));
869 memset((u8 *)&ptarget_sta->
870 tkiptxmickey,
871 0,
872 sizeof(union Keytype));
873 memset((u8 *)&ptarget_sta->
874 txpn, 0,
875 sizeof(union pn48));
876 memset((u8 *)&ptarget_sta->
877 rxpn, 0,
878 sizeof(union pn48));
879 }
880 } else {
881 if (check_fwstate(pmlmepriv,
882 _FW_UNDER_LINKING))
883 pmlmepriv->fw_state ^=
884 _FW_UNDER_LINKING;
885 goto ignore_joinbss_callback;
886 }
887 }
888
889 /*s3. update cur_network & indicate connect*/
890 memcpy(&cur_network->network, &pnetwork->network,
891 pnetwork->network.Length);
892 cur_network->aid = pnetwork->join_res;
893 /*update fw_state will clr _FW_UNDER_LINKING*/
894 switch (pnetwork->network.InfrastructureMode) {
895 case Ndis802_11Infrastructure:
896 pmlmepriv->fw_state = WIFI_STATION_STATE;
897 break;
898 case Ndis802_11IBSS:
899 pmlmepriv->fw_state = WIFI_ADHOC_STATE;
900 break;
901 default:
902 pmlmepriv->fw_state = WIFI_NULL_STATE;
903 break;
904 }
905 r8712_update_protection(adapter,
906 (cur_network->network.IEs) +
907 sizeof(struct NDIS_802_11_FIXED_IEs),
908 (cur_network->network.IELength));
909 /*TODO: update HT_Capability*/
910 update_ht_cap(adapter, cur_network->network.IEs,
911 cur_network->network.IELength);
912 /*indicate connect*/
913 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)
914 == true)
915 r8712_indicate_connect(adapter);
916 _cancel_timer(&pmlmepriv->assoc_timer,
917 &timer_cancelled);
918 } else
919 goto ignore_joinbss_callback;
920 } else {
921 if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING) == true) {
922 _set_timer(&pmlmepriv->assoc_timer, 1);
923 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
924 }
925 }
926 ignore_joinbss_callback:
927 spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
928 if (sizeof(struct list_head) == 4 * sizeof(u32))
929 kfree((u8 *)pnetwork);
930 }
931
932 void r8712_stassoc_event_callback(struct _adapter *adapter, u8 *pbuf)
933 {
934 unsigned long irqL;
935 struct sta_info *psta;
936 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
937 struct stassoc_event *pstassoc = (struct stassoc_event *)pbuf;
938
939 /* to do: */
940 if (r8712_access_ctrl(&adapter->acl_list, pstassoc->macaddr) == false)
941 return;
942 psta = r8712_get_stainfo(&adapter->stapriv, pstassoc->macaddr);
943 if (psta != NULL) {
944 /*the sta have been in sta_info_queue => do nothing
945 *(between drv has received this event before and
946 * fw have not yet to set key to CAM_ENTRY) */
947 return;
948 }
949
950 psta = r8712_alloc_stainfo(&adapter->stapriv, pstassoc->macaddr);
951 if (psta == NULL)
952 return;
953 /* to do : init sta_info variable */
954 psta->qos_option = 0;
955 psta->mac_id = le32_to_cpu((uint)pstassoc->cam_id);
956 /* psta->aid = (uint)pstassoc->cam_id; */
957
958 if (adapter->securitypriv.AuthAlgrthm == 2)
959 psta->XPrivacy = adapter->securitypriv.PrivacyAlgrthm;
960 psta->ieee8021x_blocked = false;
961 spin_lock_irqsave(&pmlmepriv->lock, irqL);
962 if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == true) ||
963 (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true)) {
964 if (adapter->stapriv.asoc_sta_count == 2) {
965 /* a sta + bc/mc_stainfo (not Ibss_stainfo) */
966 r8712_indicate_connect(adapter);
967 }
968 }
969 spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
970 }
971
972 void r8712_stadel_event_callback(struct _adapter *adapter, u8 *pbuf)
973 {
974 unsigned long irqL, irqL2;
975 struct sta_info *psta;
976 struct wlan_network *pwlan = NULL;
977 struct wlan_bssid_ex *pdev_network = NULL;
978 u8 *pibss = NULL;
979 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
980 struct stadel_event *pstadel = (struct stadel_event *)pbuf;
981 struct sta_priv *pstapriv = &adapter->stapriv;
982 struct wlan_network *tgt_network = &pmlmepriv->cur_network;
983
984 spin_lock_irqsave(&pmlmepriv->lock, irqL2);
985 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
986 r8712_ind_disconnect(adapter);
987 r8712_free_assoc_resources(adapter);
988 }
989 if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE |
990 WIFI_ADHOC_STATE)) {
991 psta = r8712_get_stainfo(&adapter->stapriv, pstadel->macaddr);
992 spin_lock_irqsave(&pstapriv->sta_hash_lock, irqL);
993 r8712_free_stainfo(adapter, psta);
994 spin_unlock_irqrestore(&pstapriv->sta_hash_lock, irqL);
995 if (adapter->stapriv.asoc_sta_count == 1) {
996 /*a sta + bc/mc_stainfo (not Ibss_stainfo) */
997 pwlan = r8712_find_network(&pmlmepriv->scanned_queue,
998 tgt_network->network.MacAddress);
999 if (pwlan) {
1000 pwlan->fixed = false;
1001 free_network_nolock(pmlmepriv, pwlan);
1002 }
1003 /*re-create ibss*/
1004 pdev_network = &(adapter->registrypriv.dev_network);
1005 pibss = adapter->registrypriv.dev_network.MacAddress;
1006 memcpy(pdev_network, &tgt_network->network,
1007 r8712_get_ndis_wlan_bssid_ex_sz(&tgt_network->
1008 network));
1009 memset(&pdev_network->Ssid, 0,
1010 sizeof(struct ndis_802_11_ssid));
1011 memcpy(&pdev_network->Ssid,
1012 &pmlmepriv->assoc_ssid,
1013 sizeof(struct ndis_802_11_ssid));
1014 r8712_update_registrypriv_dev_network(adapter);
1015 r8712_generate_random_ibss(pibss);
1016 if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) {
1017 _clr_fwstate_(pmlmepriv, WIFI_ADHOC_STATE);
1018 set_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE);
1019 }
1020 }
1021 }
1022 spin_unlock_irqrestore(&pmlmepriv->lock, irqL2);
1023 }
1024
1025 void r8712_cpwm_event_callback(struct _adapter *adapter, u8 *pbuf)
1026 {
1027 struct reportpwrstate_parm *preportpwrstate =
1028 (struct reportpwrstate_parm *)pbuf;
1029
1030 preportpwrstate->state |= (u8)(adapter->pwrctrlpriv.cpwm_tog + 0x80);
1031 r8712_cpwm_int_hdl(adapter, preportpwrstate);
1032 }
1033
1034 /* When the Netgear 3500 AP is with WPA2PSK-AES mode, it will send
1035 * the ADDBA req frame with start seq control = 0 to wifi client after
1036 * the WPA handshake and the seqence number of following data packet
1037 * will be 0. In this case, the Rx reorder sequence is not longer than 0
1038 * and the WiFi client will drop the data with seq number 0.
1039 * So, the 8712 firmware has to inform driver with receiving the
1040 * ADDBA-Req frame so that the driver can reset the
1041 * sequence value of Rx reorder control.
1042 */
1043 void r8712_got_addbareq_event_callback(struct _adapter *adapter, u8 *pbuf)
1044 {
1045 struct ADDBA_Req_Report_parm *pAddbareq_pram =
1046 (struct ADDBA_Req_Report_parm *)pbuf;
1047 struct sta_info *psta;
1048 struct sta_priv *pstapriv = &adapter->stapriv;
1049 struct recv_reorder_ctrl *precvreorder_ctrl = NULL;
1050
1051 printk(KERN_INFO "r8712u: [%s] mac = %pM, seq = %d, tid = %d\n",
1052 __func__, pAddbareq_pram->MacAddress,
1053 pAddbareq_pram->StartSeqNum, pAddbareq_pram->tid);
1054 psta = r8712_get_stainfo(pstapriv, pAddbareq_pram->MacAddress);
1055 if (psta) {
1056 precvreorder_ctrl =
1057 &psta->recvreorder_ctrl[pAddbareq_pram->tid];
1058 /* set the indicate_seq to 0xffff so that the rx reorder
1059 * can store any following data packet.
1060 */
1061 precvreorder_ctrl->indicate_seq = 0xffff;
1062 }
1063 }
1064
1065 void r8712_wpspbc_event_callback(struct _adapter *adapter, u8 *pbuf)
1066 {
1067 if (adapter->securitypriv.wps_hw_pbc_pressed == false)
1068 adapter->securitypriv.wps_hw_pbc_pressed = true;
1069 }
1070
1071 void _r8712_sitesurvey_ctrl_handler(struct _adapter *adapter)
1072 {
1073 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1074 struct sitesurvey_ctrl *psitesurveyctrl = &pmlmepriv->sitesurveyctrl;
1075 struct registry_priv *pregistrypriv = &adapter->registrypriv;
1076 u64 current_tx_pkts;
1077 uint current_rx_pkts;
1078
1079 current_tx_pkts = (adapter->xmitpriv.tx_pkts) -
1080 (psitesurveyctrl->last_tx_pkts);
1081 current_rx_pkts = (adapter->recvpriv.rx_pkts) -
1082 (psitesurveyctrl->last_rx_pkts);
1083 psitesurveyctrl->last_tx_pkts = adapter->xmitpriv.tx_pkts;
1084 psitesurveyctrl->last_rx_pkts = adapter->recvpriv.rx_pkts;
1085 if ((current_tx_pkts > pregistrypriv->busy_thresh) ||
1086 (current_rx_pkts > pregistrypriv->busy_thresh))
1087 psitesurveyctrl->traffic_busy = true;
1088 else
1089 psitesurveyctrl->traffic_busy = false;
1090 }
1091
1092 void _r8712_join_timeout_handler(struct _adapter *adapter)
1093 {
1094 unsigned long irqL;
1095 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1096
1097 if (adapter->bDriverStopped || adapter->bSurpriseRemoved)
1098 return;
1099 spin_lock_irqsave(&pmlmepriv->lock, irqL);
1100 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
1101 pmlmepriv->to_join = false;
1102 if (check_fwstate(pmlmepriv, _FW_LINKED) == true) {
1103 r8712_os_indicate_disconnect(adapter);
1104 _clr_fwstate_(pmlmepriv, _FW_LINKED);
1105 }
1106 if (adapter->pwrctrlpriv.pwr_mode != adapter->registrypriv.power_mgnt) {
1107 r8712_set_ps_mode(adapter, adapter->registrypriv.power_mgnt,
1108 adapter->registrypriv.smart_ps);
1109 }
1110 spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
1111 }
1112
1113 void r8712_scan_timeout_handler (struct _adapter *adapter)
1114 {
1115 unsigned long irqL;
1116 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1117
1118 spin_lock_irqsave(&pmlmepriv->lock, irqL);
1119 _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY);
1120 pmlmepriv->to_join = false; /* scan fail, so clear to_join flag */
1121 spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
1122 }
1123
1124 void _r8712_dhcp_timeout_handler (struct _adapter *adapter)
1125 {
1126 if (adapter->bDriverStopped || adapter->bSurpriseRemoved)
1127 return;
1128 if (adapter->pwrctrlpriv.pwr_mode != adapter->registrypriv.power_mgnt)
1129 r8712_set_ps_mode(adapter, adapter->registrypriv.power_mgnt,
1130 adapter->registrypriv.smart_ps);
1131 }
1132
1133 void _r8712_wdg_timeout_handler(struct _adapter *adapter)
1134 {
1135 r8712_wdg_wk_cmd(adapter);
1136 }
1137
1138 int r8712_select_and_join_from_scan(struct mlme_priv *pmlmepriv)
1139 {
1140 struct list_head *phead;
1141 unsigned char *dst_ssid, *src_ssid;
1142 struct _adapter *adapter;
1143 struct __queue *queue = NULL;
1144 struct wlan_network *pnetwork = NULL;
1145 struct wlan_network *pnetwork_max_rssi = NULL;
1146
1147 adapter = (struct _adapter *)pmlmepriv->nic_hdl;
1148 queue = &pmlmepriv->scanned_queue;
1149 phead = get_list_head(queue);
1150 pmlmepriv->pscanned = get_next(phead);
1151 while (1) {
1152 if (end_of_queue_search(phead, pmlmepriv->pscanned) == true) {
1153 if ((pmlmepriv->assoc_by_rssi == true) &&
1154 (pnetwork_max_rssi != NULL)) {
1155 pnetwork = pnetwork_max_rssi;
1156 goto ask_for_joinbss;
1157 }
1158 return _FAIL;
1159 }
1160 pnetwork = LIST_CONTAINOR(pmlmepriv->pscanned,
1161 struct wlan_network, list);
1162 if (pnetwork == NULL)
1163 return _FAIL;
1164 pmlmepriv->pscanned = get_next(pmlmepriv->pscanned);
1165 if (pmlmepriv->assoc_by_bssid == true) {
1166 dst_ssid = pnetwork->network.MacAddress;
1167 src_ssid = pmlmepriv->assoc_bssid;
1168 if (!memcmp(dst_ssid, src_ssid, ETH_ALEN)) {
1169 if (check_fwstate(pmlmepriv, _FW_LINKED)) {
1170 if (is_same_network(&pmlmepriv->
1171 cur_network.network,
1172 &pnetwork->network)) {
1173 _clr_fwstate_(pmlmepriv,
1174 _FW_UNDER_LINKING);
1175 /*r8712_indicate_connect again*/
1176 r8712_indicate_connect(adapter);
1177 return 2;
1178 }
1179 r8712_disassoc_cmd(adapter);
1180 r8712_ind_disconnect(adapter);
1181 r8712_free_assoc_resources(adapter);
1182 }
1183 goto ask_for_joinbss;
1184 }
1185 } else if (pmlmepriv->assoc_ssid.SsidLength == 0)
1186 goto ask_for_joinbss;
1187 dst_ssid = pnetwork->network.Ssid.Ssid;
1188 src_ssid = pmlmepriv->assoc_ssid.Ssid;
1189 if ((pnetwork->network.Ssid.SsidLength ==
1190 pmlmepriv->assoc_ssid.SsidLength) &&
1191 (!memcmp(dst_ssid, src_ssid,
1192 pmlmepriv->assoc_ssid.SsidLength))) {
1193 if (pmlmepriv->assoc_by_rssi == true) {
1194 /* if the ssid is the same, select the bss
1195 * which has the max rssi*/
1196 if (pnetwork_max_rssi) {
1197 if (pnetwork->network.Rssi >
1198 pnetwork_max_rssi->network.Rssi)
1199 pnetwork_max_rssi = pnetwork;
1200 } else
1201 pnetwork_max_rssi = pnetwork;
1202 } else if (is_desired_network(adapter, pnetwork)) {
1203 if (check_fwstate(pmlmepriv, _FW_LINKED)) {
1204 r8712_disassoc_cmd(adapter);
1205 r8712_free_assoc_resources(adapter);
1206 }
1207 goto ask_for_joinbss;
1208 }
1209 }
1210 }
1211 return _FAIL;
1212 ask_for_joinbss:
1213 return r8712_joinbss_cmd(adapter, pnetwork);
1214 }
1215
1216 sint r8712_set_auth(struct _adapter *adapter,
1217 struct security_priv *psecuritypriv)
1218 {
1219 struct cmd_priv *pcmdpriv = &adapter->cmdpriv;
1220 struct cmd_obj *pcmd;
1221 struct setauth_parm *psetauthparm;
1222 sint ret = _SUCCESS;
1223
1224 pcmd = (struct cmd_obj *)_malloc(sizeof(struct cmd_obj));
1225 if (pcmd == NULL)
1226 return _FAIL;
1227
1228 psetauthparm = (struct setauth_parm *)_malloc(
1229 sizeof(struct setauth_parm));
1230 if (psetauthparm == NULL) {
1231 kfree((unsigned char *)pcmd);
1232 return _FAIL;
1233 }
1234 memset(psetauthparm, 0, sizeof(struct setauth_parm));
1235 psetauthparm->mode = (u8)psecuritypriv->AuthAlgrthm;
1236 pcmd->cmdcode = _SetAuth_CMD_;
1237 pcmd->parmbuf = (unsigned char *)psetauthparm;
1238 pcmd->cmdsz = sizeof(struct setauth_parm);
1239 pcmd->rsp = NULL;
1240 pcmd->rspsz = 0;
1241 _init_listhead(&pcmd->list);
1242 r8712_enqueue_cmd(pcmdpriv, pcmd);
1243 return ret;
1244 }
1245
1246 sint r8712_set_key(struct _adapter *adapter,
1247 struct security_priv *psecuritypriv,
1248 sint keyid)
1249 {
1250 struct cmd_priv *pcmdpriv = &adapter->cmdpriv;
1251 struct cmd_obj *pcmd;
1252 struct setkey_parm *psetkeyparm;
1253 u8 keylen;
1254
1255 pcmd = (struct cmd_obj *)_malloc(sizeof(struct cmd_obj));
1256 if (pcmd == NULL)
1257 return _FAIL;
1258 psetkeyparm = (struct setkey_parm *)_malloc(sizeof(struct setkey_parm));
1259 if (psetkeyparm == NULL) {
1260 kfree((unsigned char *)pcmd);
1261 return _FAIL;
1262 }
1263 memset(psetkeyparm, 0, sizeof(struct setkey_parm));
1264 if (psecuritypriv->AuthAlgrthm == 2) { /* 802.1X */
1265 psetkeyparm->algorithm =
1266 (u8)psecuritypriv->XGrpPrivacy;
1267 } else { /* WEP */
1268 psetkeyparm->algorithm =
1269 (u8)psecuritypriv->PrivacyAlgrthm;
1270 }
1271 psetkeyparm->keyid = (u8)keyid;
1272
1273 switch (psetkeyparm->algorithm) {
1274 case _WEP40_:
1275 keylen = 5;
1276 memcpy(psetkeyparm->key,
1277 psecuritypriv->DefKey[keyid].skey, keylen);
1278 break;
1279 case _WEP104_:
1280 keylen = 13;
1281 memcpy(psetkeyparm->key,
1282 psecuritypriv->DefKey[keyid].skey, keylen);
1283 break;
1284 case _TKIP_:
1285 if (keyid < 1 || keyid > 2)
1286 return _FAIL;
1287 keylen = 16;
1288 memcpy(psetkeyparm->key,
1289 &psecuritypriv->XGrpKey[keyid - 1], keylen);
1290 psetkeyparm->grpkey = 1;
1291 break;
1292 case _AES_:
1293 if (keyid < 1 || keyid > 2)
1294 return _FAIL;
1295 keylen = 16;
1296 memcpy(psetkeyparm->key,
1297 &psecuritypriv->XGrpKey[keyid - 1], keylen);
1298 psetkeyparm->grpkey = 1;
1299 break;
1300 default:
1301 return _FAIL;
1302 }
1303 pcmd->cmdcode = _SetKey_CMD_;
1304 pcmd->parmbuf = (u8 *)psetkeyparm;
1305 pcmd->cmdsz = (sizeof(struct setkey_parm));
1306 pcmd->rsp = NULL;
1307 pcmd->rspsz = 0;
1308 _init_listhead(&pcmd->list);
1309 r8712_enqueue_cmd(pcmdpriv, pcmd);
1310 return _SUCCESS;
1311 }
1312
1313 /* adjust IEs for r8712_joinbss_cmd in WMM */
1314 int r8712_restruct_wmm_ie(struct _adapter *adapter, u8 *in_ie, u8 *out_ie,
1315 uint in_len, uint initial_out_len)
1316 {
1317 unsigned int ielength = 0;
1318 unsigned int i, j;
1319
1320 i = 12; /* after the fixed IE */
1321 while (i < in_len) {
1322 ielength = initial_out_len;
1323 if (in_ie[i] == 0xDD && in_ie[i + 2] == 0x00 &&
1324 in_ie[i + 3] == 0x50 && in_ie[i + 4] == 0xF2 &&
1325 in_ie[i + 5] == 0x02 && i + 5 < in_len) {
1326 /*WMM element ID and OUI*/
1327 for (j = i; j < i + 9; j++) {
1328 out_ie[ielength] = in_ie[j];
1329 ielength++;
1330 }
1331 out_ie[initial_out_len + 1] = 0x07;
1332 out_ie[initial_out_len + 6] = 0x00;
1333 out_ie[initial_out_len + 8] = 0x00;
1334 break;
1335 }
1336 i += (in_ie[i + 1] + 2); /* to the next IE element */
1337 }
1338 return ielength;
1339 }
1340
1341 /*
1342 * Ported from 8185: IsInPreAuthKeyList().
1343 *
1344 * Search by BSSID,
1345 * Return Value:
1346 * -1 :if there is no pre-auth key in the table
1347 * >=0 :if there is pre-auth key, and return the entry id
1348 */
1349 static int SecIsInPMKIDList(struct _adapter *Adapter, u8 *bssid)
1350 {
1351 struct security_priv *psecuritypriv = &Adapter->securitypriv;
1352 int i = 0;
1353
1354 do {
1355 if (psecuritypriv->PMKIDList[i].bUsed &&
1356 (!memcmp(psecuritypriv->PMKIDList[i].Bssid,
1357 bssid, ETH_ALEN)))
1358 break;
1359 else
1360 i++;
1361 } while (i < NUM_PMKID_CACHE);
1362
1363 if (i == NUM_PMKID_CACHE) {
1364 i = -1; /* Could not find. */
1365 } else {
1366 ; /* There is one Pre-Authentication Key for the
1367 * specific BSSID. */
1368 }
1369 return i;
1370 }
1371
1372 sint r8712_restruct_sec_ie(struct _adapter *adapter, u8 *in_ie,
1373 u8 *out_ie, uint in_len)
1374 {
1375 u8 authmode = 0, securitytype, match;
1376 u8 sec_ie[255], uncst_oui[4], bkup_ie[255];
1377 u8 wpa_oui[4] = {0x0, 0x50, 0xf2, 0x01};
1378 uint ielength, cnt, remove_cnt;
1379 int iEntry;
1380 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1381 struct security_priv *psecuritypriv = &adapter->securitypriv;
1382 uint ndisauthmode = psecuritypriv->ndisauthtype;
1383 uint ndissecuritytype = psecuritypriv->ndisencryptstatus;
1384
1385 if ((ndisauthmode == Ndis802_11AuthModeWPA) ||
1386 (ndisauthmode == Ndis802_11AuthModeWPAPSK)) {
1387 authmode = _WPA_IE_ID_;
1388 uncst_oui[0] = 0x0;
1389 uncst_oui[1] = 0x50;
1390 uncst_oui[2] = 0xf2;
1391 }
1392 if ((ndisauthmode == Ndis802_11AuthModeWPA2) ||
1393 (ndisauthmode == Ndis802_11AuthModeWPA2PSK)) {
1394 authmode = _WPA2_IE_ID_;
1395 uncst_oui[0] = 0x0;
1396 uncst_oui[1] = 0x0f;
1397 uncst_oui[2] = 0xac;
1398 }
1399 switch (ndissecuritytype) {
1400 case Ndis802_11Encryption1Enabled:
1401 case Ndis802_11Encryption1KeyAbsent:
1402 securitytype = _WEP40_;
1403 uncst_oui[3] = 0x1;
1404 break;
1405 case Ndis802_11Encryption2Enabled:
1406 case Ndis802_11Encryption2KeyAbsent:
1407 securitytype = _TKIP_;
1408 uncst_oui[3] = 0x2;
1409 break;
1410 case Ndis802_11Encryption3Enabled:
1411 case Ndis802_11Encryption3KeyAbsent:
1412 securitytype = _AES_;
1413 uncst_oui[3] = 0x4;
1414 break;
1415 default:
1416 securitytype = _NO_PRIVACY_;
1417 break;
1418 }
1419 /*Search required WPA or WPA2 IE and copy to sec_ie[] */
1420 cnt = 12;
1421 match = false;
1422 while (cnt < in_len) {
1423 if (in_ie[cnt] == authmode) {
1424 if ((authmode == _WPA_IE_ID_) &&
1425 (!memcmp(&in_ie[cnt+2], &wpa_oui[0], 4))) {
1426 memcpy(&sec_ie[0], &in_ie[cnt],
1427 in_ie[cnt + 1] + 2);
1428 match = true;
1429 break;
1430 }
1431 if (authmode == _WPA2_IE_ID_) {
1432 memcpy(&sec_ie[0], &in_ie[cnt],
1433 in_ie[cnt + 1] + 2);
1434 match = true;
1435 break;
1436 }
1437 if (((authmode == _WPA_IE_ID_) &&
1438 (!memcmp(&in_ie[cnt + 2], &wpa_oui[0], 4))) ||
1439 (authmode == _WPA2_IE_ID_))
1440 memcpy(&bkup_ie[0], &in_ie[cnt],
1441 in_ie[cnt + 1] + 2);
1442 }
1443 cnt += in_ie[cnt+1] + 2; /*get next*/
1444 }
1445 /*restruct WPA IE or WPA2 IE in sec_ie[] */
1446 if (match == true) {
1447 if (sec_ie[0] == _WPA_IE_ID_) {
1448 /* parsing SSN IE to select required encryption
1449 * algorithm, and set the bc/mc encryption algorithm */
1450 while (true) {
1451 /*check wpa_oui tag*/
1452 if (memcmp(&sec_ie[2], &wpa_oui[0], 4)) {
1453 match = false;
1454 break;
1455 }
1456 if ((sec_ie[6] != 0x01) || (sec_ie[7] != 0x0)) {
1457 /*IE Ver error*/
1458 match = false;
1459 break;
1460 }
1461 if (!memcmp(&sec_ie[8], &wpa_oui[0], 3)) {
1462 /* get bc/mc encryption type (group
1463 * key type)*/
1464 switch (sec_ie[11]) {
1465 case 0x0: /*none*/
1466 psecuritypriv->XGrpPrivacy =
1467 _NO_PRIVACY_;
1468 break;
1469 case 0x1: /*WEP_40*/
1470 psecuritypriv->XGrpPrivacy =
1471 _WEP40_;
1472 break;
1473 case 0x2: /*TKIP*/
1474 psecuritypriv->XGrpPrivacy =
1475 _TKIP_;
1476 break;
1477 case 0x3: /*AESCCMP*/
1478 case 0x4:
1479 psecuritypriv->XGrpPrivacy =
1480 _AES_;
1481 break;
1482 case 0x5: /*WEP_104*/
1483 psecuritypriv->XGrpPrivacy =
1484 _WEP104_;
1485 break;
1486 }
1487 } else {
1488 match = false;
1489 break;
1490 }
1491 if (sec_ie[12] == 0x01) {
1492 /*check the unicast encryption type*/
1493 if (memcmp(&sec_ie[14],
1494 &uncst_oui[0], 4)) {
1495 match = false;
1496 break;
1497
1498 } /*else the uncst_oui is match*/
1499 } else { /*mixed mode, unicast_enc_type > 1*/
1500 /*select the uncst_oui and remove
1501 * the other uncst_oui*/
1502 cnt = sec_ie[12];
1503 remove_cnt = (cnt-1) * 4;
1504 sec_ie[12] = 0x01;
1505 memcpy(&sec_ie[14], &uncst_oui[0], 4);
1506 /*remove the other unicast suit*/
1507 memcpy(&sec_ie[18],
1508 &sec_ie[18 + remove_cnt],
1509 sec_ie[1] - 18 + 2 -
1510 remove_cnt);
1511 sec_ie[1] = sec_ie[1] - remove_cnt;
1512 }
1513 break;
1514 }
1515 }
1516 if (authmode == _WPA2_IE_ID_) {
1517 /* parsing RSN IE to select required encryption
1518 * algorithm, and set the bc/mc encryption algorithm */
1519 while (true) {
1520 if ((sec_ie[2] != 0x01) || (sec_ie[3] != 0x0)) {
1521 /*IE Ver error*/
1522 match = false;
1523 break;
1524 }
1525 if (!memcmp(&sec_ie[4], &uncst_oui[0], 3)) {
1526 /*get bc/mc encryption type*/
1527 switch (sec_ie[7]) {
1528 case 0x1: /*WEP_40*/
1529 psecuritypriv->XGrpPrivacy =
1530 _WEP40_;
1531 break;
1532 case 0x2: /*TKIP*/
1533 psecuritypriv->XGrpPrivacy =
1534 _TKIP_;
1535 break;
1536 case 0x4: /*AESWRAP*/
1537 psecuritypriv->XGrpPrivacy =
1538 _AES_;
1539 break;
1540 case 0x5: /*WEP_104*/
1541 psecuritypriv->XGrpPrivacy =
1542 _WEP104_;
1543 break;
1544 default: /*one*/
1545 psecuritypriv->XGrpPrivacy =
1546 _NO_PRIVACY_;
1547 break;
1548 }
1549 } else {
1550 match = false;
1551 break;
1552 }
1553 if (sec_ie[8] == 0x01) {
1554 /*check the unicast encryption type*/
1555 if (memcmp(&sec_ie[10],
1556 &uncst_oui[0], 4)) {
1557 match = false;
1558 break;
1559 } /*else the uncst_oui is match*/
1560 } else { /*mixed mode, unicast_enc_type > 1*/
1561 /*select the uncst_oui and remove the
1562 * other uncst_oui*/
1563 cnt = sec_ie[8];
1564 remove_cnt = (cnt-1)*4;
1565 sec_ie[8] = 0x01;
1566 memcpy(&sec_ie[10], &uncst_oui[0], 4);
1567 /*remove the other unicast suit*/
1568 memcpy(&sec_ie[14],
1569 &sec_ie[14 + remove_cnt],
1570 (sec_ie[1] - 14 + 2 -
1571 remove_cnt));
1572 sec_ie[1] = sec_ie[1]-remove_cnt;
1573 }
1574 break;
1575 }
1576 }
1577 }
1578 if ((authmode == _WPA_IE_ID_) || (authmode == _WPA2_IE_ID_)) {
1579 /*copy fixed ie*/
1580 memcpy(out_ie, in_ie, 12);
1581 ielength = 12;
1582 /*copy RSN or SSN*/
1583 if (match == true) {
1584 memcpy(&out_ie[ielength], &sec_ie[0], sec_ie[1]+2);
1585 ielength += sec_ie[1] + 2;
1586 if (authmode == _WPA2_IE_ID_) {
1587 /*the Pre-Authentication bit should be zero*/
1588 out_ie[ielength - 1] = 0;
1589 out_ie[ielength - 2] = 0;
1590 }
1591 r8712_report_sec_ie(adapter, authmode, sec_ie);
1592 }
1593 } else {
1594 /*copy fixed ie only*/
1595 memcpy(out_ie, in_ie, 12);
1596 ielength = 12;
1597 if (psecuritypriv->wps_phase == true) {
1598 memcpy(out_ie+ielength, psecuritypriv->wps_ie,
1599 psecuritypriv->wps_ie_len);
1600 ielength += psecuritypriv->wps_ie_len;
1601 }
1602 }
1603 iEntry = SecIsInPMKIDList(adapter, pmlmepriv->assoc_bssid);
1604 if (iEntry < 0)
1605 return ielength;
1606 else {
1607 if (authmode == _WPA2_IE_ID_) {
1608 out_ie[ielength] = 1;
1609 ielength++;
1610 out_ie[ielength] = 0; /*PMKID count = 0x0100*/
1611 ielength++;
1612 memcpy(&out_ie[ielength],
1613 &psecuritypriv->PMKIDList[iEntry].PMKID, 16);
1614 ielength += 16;
1615 out_ie[13] += 18;/*PMKID length = 2+16*/
1616 }
1617 }
1618 return ielength;
1619 }
1620
1621 void r8712_init_registrypriv_dev_network(struct _adapter *adapter)
1622 {
1623 struct registry_priv *pregistrypriv = &adapter->registrypriv;
1624 struct eeprom_priv *peepriv = &adapter->eeprompriv;
1625 struct wlan_bssid_ex *pdev_network = &pregistrypriv->dev_network;
1626 u8 *myhwaddr = myid(peepriv);
1627
1628 memcpy(pdev_network->MacAddress, myhwaddr, ETH_ALEN);
1629 memcpy(&pdev_network->Ssid, &pregistrypriv->ssid,
1630 sizeof(struct ndis_802_11_ssid));
1631 pdev_network->Configuration.Length =
1632 sizeof(struct NDIS_802_11_CONFIGURATION);
1633 pdev_network->Configuration.BeaconPeriod = 100;
1634 pdev_network->Configuration.FHConfig.Length = 0;
1635 pdev_network->Configuration.FHConfig.HopPattern = 0;
1636 pdev_network->Configuration.FHConfig.HopSet = 0;
1637 pdev_network->Configuration.FHConfig.DwellTime = 0;
1638 }
1639
1640 void r8712_update_registrypriv_dev_network(struct _adapter *adapter)
1641 {
1642 int sz = 0;
1643 struct registry_priv *pregistrypriv = &adapter->registrypriv;
1644 struct wlan_bssid_ex *pdev_network = &pregistrypriv->dev_network;
1645 struct security_priv *psecuritypriv = &adapter->securitypriv;
1646 struct wlan_network *cur_network = &adapter->mlmepriv.cur_network;
1647
1648 pdev_network->Privacy = cpu_to_le32(psecuritypriv->PrivacyAlgrthm
1649 > 0 ? 1 : 0) ; /* adhoc no 802.1x */
1650 pdev_network->Rssi = 0;
1651 switch (pregistrypriv->wireless_mode) {
1652 case WIRELESS_11B:
1653 pdev_network->NetworkTypeInUse = cpu_to_le32(Ndis802_11DS);
1654 break;
1655 case WIRELESS_11G:
1656 case WIRELESS_11BG:
1657 pdev_network->NetworkTypeInUse = cpu_to_le32(Ndis802_11OFDM24);
1658 break;
1659 case WIRELESS_11A:
1660 pdev_network->NetworkTypeInUse = cpu_to_le32(Ndis802_11OFDM5);
1661 break;
1662 default:
1663 /* TODO */
1664 break;
1665 }
1666 pdev_network->Configuration.DSConfig = cpu_to_le32(
1667 pregistrypriv->channel);
1668 if (cur_network->network.InfrastructureMode == Ndis802_11IBSS)
1669 pdev_network->Configuration.ATIMWindow = cpu_to_le32(3);
1670 pdev_network->InfrastructureMode = cpu_to_le32(
1671 cur_network->network.InfrastructureMode);
1672 /* 1. Supported rates
1673 * 2. IE
1674 */
1675 sz = r8712_generate_ie(pregistrypriv);
1676 pdev_network->IELength = sz;
1677 pdev_network->Length = r8712_get_ndis_wlan_bssid_ex_sz(
1678 (struct ndis_wlan_bssid_ex *)pdev_network);
1679 }
1680
1681 /*the function is at passive_level*/
1682 void r8712_joinbss_reset(struct _adapter *padapter)
1683 {
1684 int i;
1685 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1686 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
1687
1688 /* todo: if you want to do something io/reg/hw setting before join_bss,
1689 * please add code here */
1690 phtpriv->ampdu_enable = false;/*reset to disabled*/
1691 for (i = 0; i < 16; i++)
1692 phtpriv->baddbareq_issued[i] = false;/*reset it*/
1693 if (phtpriv->ht_option) {
1694 /* validate usb rx aggregation */
1695 r8712_write8(padapter, 0x102500D9, 48);/*TH = 48 pages, 6k*/
1696 } else {
1697 /* invalidate usb rx aggregation */
1698 /* TH=1 => means that invalidate usb rx aggregation */
1699 r8712_write8(padapter, 0x102500D9, 1);
1700 }
1701 }
1702
1703 /*the function is >= passive_level*/
1704 unsigned int r8712_restructure_ht_ie(struct _adapter *padapter, u8 *in_ie,
1705 u8 *out_ie, uint in_len, uint *pout_len)
1706 {
1707 u32 ielen, out_len;
1708 unsigned char *p, *pframe;
1709 struct ieee80211_ht_cap ht_capie;
1710 unsigned char WMM_IE[] = {0x00, 0x50, 0xf2, 0x02, 0x00, 0x01, 0x00};
1711 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1712 struct qos_priv *pqospriv = &pmlmepriv->qospriv;
1713 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
1714
1715 phtpriv->ht_option = 0;
1716 p = r8712_get_ie(in_ie+12, _HT_CAPABILITY_IE_, &ielen, in_len-12);
1717 if (p && (ielen > 0)) {
1718 if (pqospriv->qos_option == 0) {
1719 out_len = *pout_len;
1720 pframe = r8712_set_ie(out_ie+out_len,
1721 _VENDOR_SPECIFIC_IE_,
1722 _WMM_IE_Length_,
1723 WMM_IE, pout_len);
1724 pqospriv->qos_option = 1;
1725 }
1726 out_len = *pout_len;
1727 memset(&ht_capie, 0, sizeof(struct ieee80211_ht_cap));
1728 ht_capie.cap_info = IEEE80211_HT_CAP_SUP_WIDTH |
1729 IEEE80211_HT_CAP_SGI_20 |
1730 IEEE80211_HT_CAP_SGI_40 |
1731 IEEE80211_HT_CAP_TX_STBC |
1732 IEEE80211_HT_CAP_MAX_AMSDU |
1733 IEEE80211_HT_CAP_DSSSCCK40;
1734 ht_capie.ampdu_params_info = (IEEE80211_HT_CAP_AMPDU_FACTOR &
1735 0x03) | (IEEE80211_HT_CAP_AMPDU_DENSITY & 0x00);
1736 pframe = r8712_set_ie(out_ie+out_len, _HT_CAPABILITY_IE_,
1737 sizeof(struct ieee80211_ht_cap),
1738 (unsigned char *)&ht_capie, pout_len);
1739 phtpriv->ht_option = 1;
1740 }
1741 return phtpriv->ht_option;
1742 }
1743
1744 /* the function is > passive_level (in critical_section) */
1745 static void update_ht_cap(struct _adapter *padapter, u8 *pie, uint ie_len)
1746 {
1747 u8 *p, max_ampdu_sz;
1748 int i, len;
1749 struct sta_info *bmc_sta, *psta;
1750 struct ieee80211_ht_cap *pht_capie;
1751 struct ieee80211_ht_addt_info *pht_addtinfo;
1752 struct recv_reorder_ctrl *preorder_ctrl;
1753 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1754 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
1755 struct registry_priv *pregistrypriv = &padapter->registrypriv;
1756 struct wlan_network *pcur_network = &(pmlmepriv->cur_network);
1757
1758 if (!phtpriv->ht_option)
1759 return;
1760 /* maybe needs check if ap supports rx ampdu. */
1761 if ((phtpriv->ampdu_enable == false) &&
1762 (pregistrypriv->ampdu_enable == 1))
1763 phtpriv->ampdu_enable = true;
1764 /*check Max Rx A-MPDU Size*/
1765 len = 0;
1766 p = r8712_get_ie(pie + sizeof(struct NDIS_802_11_FIXED_IEs),
1767 _HT_CAPABILITY_IE_,
1768 &len, ie_len -
1769 sizeof(struct NDIS_802_11_FIXED_IEs));
1770 if (p && len > 0) {
1771 pht_capie = (struct ieee80211_ht_cap *)(p+2);
1772 max_ampdu_sz = (pht_capie->ampdu_params_info &
1773 IEEE80211_HT_CAP_AMPDU_FACTOR);
1774 /* max_ampdu_sz (kbytes); */
1775 max_ampdu_sz = 1 << (max_ampdu_sz+3);
1776 phtpriv->rx_ampdu_maxlen = max_ampdu_sz;
1777 }
1778 /* for A-MPDU Rx reordering buffer control for bmc_sta & sta_info
1779 * if A-MPDU Rx is enabled, resetting rx_ordering_ctrl
1780 * wstart_b(indicate_seq) to default value=0xffff
1781 * todo: check if AP can send A-MPDU packets
1782 */
1783 bmc_sta = r8712_get_bcmc_stainfo(padapter);
1784 if (bmc_sta) {
1785 for (i = 0; i < 16; i++) {
1786 preorder_ctrl = &bmc_sta->recvreorder_ctrl[i];
1787 preorder_ctrl->indicate_seq = 0xffff;
1788 preorder_ctrl->wend_b = 0xffff;
1789 }
1790 }
1791 psta = r8712_get_stainfo(&padapter->stapriv,
1792 pcur_network->network.MacAddress);
1793 if (psta) {
1794 for (i = 0; i < 16 ; i++) {
1795 preorder_ctrl = &psta->recvreorder_ctrl[i];
1796 preorder_ctrl->indicate_seq = 0xffff;
1797 preorder_ctrl->wend_b = 0xffff;
1798 }
1799 }
1800 len = 0;
1801 p = r8712_get_ie(pie + sizeof(struct NDIS_802_11_FIXED_IEs),
1802 _HT_ADD_INFO_IE_, &len,
1803 ie_len-sizeof(struct NDIS_802_11_FIXED_IEs));
1804 if (p && len > 0)
1805 pht_addtinfo = (struct ieee80211_ht_addt_info *)(p + 2);
1806 }
1807
1808 void r8712_issue_addbareq_cmd(struct _adapter *padapter, int priority)
1809 {
1810 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1811 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
1812
1813 if ((phtpriv->ht_option == 1) && (phtpriv->ampdu_enable == true)) {
1814 if (phtpriv->baddbareq_issued[priority] == false) {
1815 r8712_addbareq_cmd(padapter, (u8)priority);
1816 phtpriv->baddbareq_issued[priority] = true;
1817 }
1818 }
1819 }
Linux kernel - Deliverables
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