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Merge branch 'drm-tda998x-fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm into...
[mirror_ubuntu-zesty-kernel.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 = kmalloc(MAX_BSS_CNT * (sizeof(struct wlan_network)),
66 GFP_ATOMIC);
67 if (pbuf == NULL)
68 return _FAIL;
69 pmlmepriv->free_bss_buf = pbuf;
70 pnetwork = (struct wlan_network *)pbuf;
71 for (i = 0; i < MAX_BSS_CNT; i++) {
72 INIT_LIST_HEAD(&(pnetwork->list));
73 list_add_tail(&(pnetwork->list),
74 &(pmlmepriv->free_bss_pool.queue));
75 pnetwork++;
76 }
77 pmlmepriv->sitesurveyctrl.last_rx_pkts = 0;
78 pmlmepriv->sitesurveyctrl.last_tx_pkts = 0;
79 pmlmepriv->sitesurveyctrl.traffic_busy = false;
80 /* allocate DMA-able/Non-Page memory for cmd_buf and rsp_buf */
81 r8712_init_mlme_timer(padapter);
82 return _SUCCESS;
83 }
84
85 struct wlan_network *_r8712_alloc_network(struct mlme_priv *pmlmepriv)
86 {
87 unsigned long irqL;
88 struct wlan_network *pnetwork;
89 struct __queue *free_queue = &pmlmepriv->free_bss_pool;
90 struct list_head *plist = NULL;
91
92 if (list_empty(&free_queue->queue))
93 return NULL;
94 spin_lock_irqsave(&free_queue->lock, irqL);
95 plist = free_queue->queue.next;
96 pnetwork = LIST_CONTAINOR(plist , struct wlan_network, list);
97 list_del_init(&pnetwork->list);
98 pnetwork->last_scanned = jiffies;
99 pmlmepriv->num_of_scanned++;
100 spin_unlock_irqrestore(&free_queue->lock, irqL);
101 return pnetwork;
102 }
103
104 static void _free_network(struct mlme_priv *pmlmepriv,
105 struct wlan_network *pnetwork)
106 {
107 u32 curr_time, delta_time;
108 unsigned long irqL;
109 struct __queue *free_queue = &(pmlmepriv->free_bss_pool);
110
111 if (pnetwork == NULL)
112 return;
113 if (pnetwork->fixed == true)
114 return;
115 curr_time = jiffies;
116 delta_time = (curr_time - (u32)pnetwork->last_scanned) / HZ;
117 if (delta_time < SCANQUEUE_LIFETIME)
118 return;
119 spin_lock_irqsave(&free_queue->lock, irqL);
120 list_del_init(&pnetwork->list);
121 list_add_tail(&pnetwork->list, &free_queue->queue);
122 pmlmepriv->num_of_scanned--;
123 spin_unlock_irqrestore(&free_queue->lock, irqL);
124 }
125
126 static void _free_network_nolock(struct mlme_priv *pmlmepriv,
127 struct wlan_network *pnetwork)
128 {
129 struct __queue *free_queue = &pmlmepriv->free_bss_pool;
130
131 if (pnetwork == NULL)
132 return;
133 if (pnetwork->fixed == true)
134 return;
135 list_del_init(&pnetwork->list);
136 list_add_tail(&pnetwork->list, &free_queue->queue);
137 pmlmepriv->num_of_scanned--;
138 }
139
140
141 /*
142 return the wlan_network with the matching addr
143 Shall be called under atomic context...
144 to avoid possible racing condition...
145 */
146 static struct wlan_network *_r8712_find_network(struct __queue *scanned_queue,
147 u8 *addr)
148 {
149 unsigned long irqL;
150 struct list_head *phead, *plist;
151 struct wlan_network *pnetwork = NULL;
152
153 if (is_zero_ether_addr(addr))
154 return NULL;
155 spin_lock_irqsave(&scanned_queue->lock, irqL);
156 phead = &scanned_queue->queue;
157 plist = phead->next;
158 while (plist != phead) {
159 pnetwork = LIST_CONTAINOR(plist, struct wlan_network, list);
160 plist = plist->next;
161 if (!memcmp(addr, pnetwork->network.MacAddress, ETH_ALEN))
162 break;
163 }
164 spin_unlock_irqrestore(&scanned_queue->lock, irqL);
165 return pnetwork;
166 }
167
168 static void _free_network_queue(struct _adapter *padapter)
169 {
170 unsigned long irqL;
171 struct list_head *phead, *plist;
172 struct wlan_network *pnetwork;
173 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
174 struct __queue *scanned_queue = &pmlmepriv->scanned_queue;
175
176 spin_lock_irqsave(&scanned_queue->lock, irqL);
177 phead = &scanned_queue->queue;
178 plist = phead->next;
179 while (end_of_queue_search(phead, plist) == false) {
180 pnetwork = LIST_CONTAINOR(plist, struct wlan_network, list);
181 plist = plist->next;
182 _free_network(pmlmepriv, pnetwork);
183 }
184 spin_unlock_irqrestore(&scanned_queue->lock, irqL);
185 }
186
187 sint r8712_if_up(struct _adapter *padapter)
188 {
189 sint res;
190
191 if (padapter->bDriverStopped || padapter->bSurpriseRemoved ||
192 (check_fwstate(&padapter->mlmepriv, _FW_LINKED) == false)) {
193 res = false;
194 } else
195 res = true;
196 return res;
197 }
198
199 void r8712_generate_random_ibss(u8 *pibss)
200 {
201 u32 curtime = jiffies;
202
203 pibss[0] = 0x02; /*in ad-hoc mode bit1 must set to 1 */
204 pibss[1] = 0x11;
205 pibss[2] = 0x87;
206 pibss[3] = (u8)(curtime & 0xff);
207 pibss[4] = (u8)((curtime>>8) & 0xff);
208 pibss[5] = (u8)((curtime>>16) & 0xff);
209 }
210
211 uint r8712_get_ndis_wlan_bssid_ex_sz(struct ndis_wlan_bssid_ex *bss)
212 {
213 uint t_len;
214
215 t_len = sizeof(u32) + 6 * sizeof(unsigned long) + 2 +
216 sizeof(struct ndis_802_11_ssid) + sizeof(u32) +
217 sizeof(s32) +
218 sizeof(enum NDIS_802_11_NETWORK_TYPE) +
219 sizeof(struct NDIS_802_11_CONFIGURATION) +
220 sizeof(enum NDIS_802_11_NETWORK_INFRASTRUCTURE) +
221 sizeof(NDIS_802_11_RATES_EX) +
222 sizeof(u32) + bss->IELength;
223 return t_len;
224 }
225
226 u8 *r8712_get_capability_from_ie(u8 *ie)
227 {
228 return ie + 8 + 2;
229 }
230
231 int r8712_init_mlme_priv(struct _adapter *padapter)
232 {
233 return _init_mlme_priv(padapter);
234 }
235
236 void r8712_free_mlme_priv(struct mlme_priv *pmlmepriv)
237 {
238 kfree(pmlmepriv->free_bss_buf);
239 }
240
241 static struct wlan_network *alloc_network(struct mlme_priv *pmlmepriv)
242 {
243 return _r8712_alloc_network(pmlmepriv);
244 }
245
246 static void free_network_nolock(struct mlme_priv *pmlmepriv,
247 struct wlan_network *pnetwork)
248 {
249 _free_network_nolock(pmlmepriv, pnetwork);
250 }
251
252 void r8712_free_network_queue(struct _adapter *dev)
253 {
254 _free_network_queue(dev);
255 }
256
257 /*
258 return the wlan_network with the matching addr
259
260 Shall be called under atomic context...
261 to avoid possible racing condition...
262 */
263 static struct wlan_network *r8712_find_network(struct __queue *scanned_queue,
264 u8 *addr)
265 {
266 struct wlan_network *pnetwork = _r8712_find_network(scanned_queue,
267 addr);
268
269 return pnetwork;
270 }
271
272 int r8712_is_same_ibss(struct _adapter *adapter, struct wlan_network *pnetwork)
273 {
274 int ret = true;
275 struct security_priv *psecuritypriv = &adapter->securitypriv;
276
277 if ((psecuritypriv->PrivacyAlgrthm != _NO_PRIVACY_) &&
278 (pnetwork->network.Privacy == 0))
279 ret = false;
280 else if ((psecuritypriv->PrivacyAlgrthm == _NO_PRIVACY_) &&
281 (pnetwork->network.Privacy == 1))
282 ret = false;
283 else
284 ret = true;
285 return ret;
286
287 }
288
289 static int is_same_network(struct ndis_wlan_bssid_ex *src,
290 struct ndis_wlan_bssid_ex *dst)
291 {
292 u16 s_cap, d_cap;
293
294 memcpy((u8 *)&s_cap, r8712_get_capability_from_ie(src->IEs), 2);
295 memcpy((u8 *)&d_cap, r8712_get_capability_from_ie(dst->IEs), 2);
296 return (src->Ssid.SsidLength == dst->Ssid.SsidLength) &&
297 (src->Configuration.DSConfig ==
298 dst->Configuration.DSConfig) &&
299 ((!memcmp(src->MacAddress, dst->MacAddress,
300 ETH_ALEN))) &&
301 ((!memcmp(src->Ssid.Ssid,
302 dst->Ssid.Ssid,
303 src->Ssid.SsidLength))) &&
304 ((s_cap & WLAN_CAPABILITY_IBSS) ==
305 (d_cap & WLAN_CAPABILITY_IBSS)) &&
306 ((s_cap & WLAN_CAPABILITY_BSS) ==
307 (d_cap & WLAN_CAPABILITY_BSS));
308
309 }
310
311 struct wlan_network *r8712_get_oldest_wlan_network(
312 struct __queue *scanned_queue)
313 {
314 struct list_head *plist, *phead;
315 struct wlan_network *pwlan = NULL;
316 struct wlan_network *oldest = NULL;
317
318 phead = &scanned_queue->queue;
319 plist = phead->next;
320 while (1) {
321 if (end_of_queue_search(phead, plist) == true)
322 break;
323 pwlan = LIST_CONTAINOR(plist, struct wlan_network, list);
324 if (pwlan->fixed != true) {
325 if (oldest == NULL ||
326 time_after((unsigned long)oldest->last_scanned,
327 (unsigned long)pwlan->last_scanned))
328 oldest = pwlan;
329 }
330 plist = plist->next;
331 }
332 return oldest;
333 }
334
335 static void update_network(struct ndis_wlan_bssid_ex *dst,
336 struct ndis_wlan_bssid_ex *src,
337 struct _adapter *padapter)
338 {
339 u32 last_evm = 0, tmpVal;
340
341 if (check_fwstate(&padapter->mlmepriv, _FW_LINKED) &&
342 is_same_network(&(padapter->mlmepriv.cur_network.network), src)) {
343 if (padapter->recvpriv.signal_qual_data.total_num++ >=
344 PHY_LINKQUALITY_SLID_WIN_MAX) {
345 padapter->recvpriv.signal_qual_data.total_num =
346 PHY_LINKQUALITY_SLID_WIN_MAX;
347 last_evm = padapter->recvpriv.signal_qual_data.
348 elements[padapter->recvpriv.
349 signal_qual_data.index];
350 padapter->recvpriv.signal_qual_data.total_val -=
351 last_evm;
352 }
353 padapter->recvpriv.signal_qual_data.total_val += src->Rssi;
354
355 padapter->recvpriv.signal_qual_data.
356 elements[padapter->recvpriv.signal_qual_data.
357 index++] = src->Rssi;
358 if (padapter->recvpriv.signal_qual_data.index >=
359 PHY_LINKQUALITY_SLID_WIN_MAX)
360 padapter->recvpriv.signal_qual_data.index = 0;
361 /* <1> Showed on UI for user, in percentage. */
362 tmpVal = padapter->recvpriv.signal_qual_data.total_val /
363 padapter->recvpriv.signal_qual_data.total_num;
364 padapter->recvpriv.signal = (u8)tmpVal;
365
366 src->Rssi = padapter->recvpriv.signal;
367 } else
368 src->Rssi = (src->Rssi + dst->Rssi) / 2;
369 memcpy((u8 *)dst, (u8 *)src, r8712_get_ndis_wlan_bssid_ex_sz(src));
370 }
371
372 static void update_current_network(struct _adapter *adapter,
373 struct ndis_wlan_bssid_ex *pnetwork)
374 {
375 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
376
377 if (is_same_network(&(pmlmepriv->cur_network.network), pnetwork)) {
378 update_network(&(pmlmepriv->cur_network.network),
379 pnetwork, adapter);
380 r8712_update_protection(adapter,
381 (pmlmepriv->cur_network.network.IEs) +
382 sizeof(struct NDIS_802_11_FIXED_IEs),
383 pmlmepriv->cur_network.network.IELength);
384 }
385 }
386
387 /*
388 Caller must hold pmlmepriv->lock first.
389 */
390 static void update_scanned_network(struct _adapter *adapter,
391 struct ndis_wlan_bssid_ex *target)
392 {
393 struct list_head *plist, *phead;
394
395 u32 bssid_ex_sz;
396 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
397 struct __queue *queue = &pmlmepriv->scanned_queue;
398 struct wlan_network *pnetwork = NULL;
399 struct wlan_network *oldest = NULL;
400
401 phead = &queue->queue;
402 plist = phead->next;
403
404 while (1) {
405 if (end_of_queue_search(phead, plist) == true)
406 break;
407
408 pnetwork = LIST_CONTAINOR(plist, struct wlan_network, list);
409 if (is_same_network(&pnetwork->network, target))
410 break;
411 if ((oldest == ((struct wlan_network *)0)) ||
412 time_after((unsigned long)oldest->last_scanned,
413 (unsigned long)pnetwork->last_scanned))
414 oldest = pnetwork;
415
416 plist = plist->next;
417 }
418
419
420 /* If we didn't find a match, then get a new network slot to initialize
421 * with this beacon's information */
422 if (end_of_queue_search(phead, plist) == true) {
423 if (list_empty(&pmlmepriv->free_bss_pool.queue)) {
424 /* If there are no more slots, expire the oldest */
425 pnetwork = oldest;
426 target->Rssi = (pnetwork->network.Rssi +
427 target->Rssi) / 2;
428 memcpy(&pnetwork->network, target,
429 r8712_get_ndis_wlan_bssid_ex_sz(target));
430 pnetwork->last_scanned = jiffies;
431 } else {
432 /* Otherwise just pull from the free list */
433 /* update scan_time */
434 pnetwork = alloc_network(pmlmepriv);
435 if (pnetwork == NULL)
436 return;
437 bssid_ex_sz = r8712_get_ndis_wlan_bssid_ex_sz(target);
438 target->Length = bssid_ex_sz;
439 memcpy(&pnetwork->network, target, bssid_ex_sz);
440 list_add_tail(&pnetwork->list, &queue->queue);
441 }
442 } else {
443 /* we have an entry and we are going to update it. But
444 * this entry may be already expired. In this case we
445 * do the same as we found a new net and call the new_net
446 * handler
447 */
448 update_network(&pnetwork->network, target, adapter);
449 pnetwork->last_scanned = jiffies;
450 }
451 }
452
453 static void rtl8711_add_network(struct _adapter *adapter,
454 struct ndis_wlan_bssid_ex *pnetwork)
455 {
456 unsigned long irqL;
457 struct mlme_priv *pmlmepriv = &(((struct _adapter *)adapter)->mlmepriv);
458 struct __queue *queue = &pmlmepriv->scanned_queue;
459
460 spin_lock_irqsave(&queue->lock, irqL);
461 update_current_network(adapter, pnetwork);
462 update_scanned_network(adapter, pnetwork);
463 spin_unlock_irqrestore(&queue->lock, irqL);
464 }
465
466 /*select the desired network based on the capability of the (i)bss.
467 * check items: (1) security
468 * (2) network_type
469 * (3) WMM
470 * (4) HT
471 * (5) others
472 */
473 static int is_desired_network(struct _adapter *adapter,
474 struct wlan_network *pnetwork)
475 {
476 u8 wps_ie[512];
477 uint wps_ielen;
478 int bselected = true;
479 struct security_priv *psecuritypriv = &adapter->securitypriv;
480
481 if (psecuritypriv->wps_phase == true) {
482 if (r8712_get_wps_ie(pnetwork->network.IEs,
483 pnetwork->network.IELength, wps_ie,
484 &wps_ielen) == true)
485 return true;
486 else
487 return false;
488 }
489 if ((psecuritypriv->PrivacyAlgrthm != _NO_PRIVACY_) &&
490 (pnetwork->network.Privacy == 0))
491 bselected = false;
492 if (check_fwstate(&adapter->mlmepriv, WIFI_ADHOC_STATE) == true) {
493 if (pnetwork->network.InfrastructureMode !=
494 adapter->mlmepriv.cur_network.network.
495 InfrastructureMode)
496 bselected = false;
497 }
498 return bselected;
499 }
500
501 /* TODO: Perry : For Power Management */
502 void r8712_atimdone_event_callback(struct _adapter *adapter , u8 *pbuf)
503 {
504 }
505
506 void r8712_survey_event_callback(struct _adapter *adapter, u8 *pbuf)
507 {
508 unsigned long flags;
509 u32 len;
510 struct ndis_wlan_bssid_ex *pnetwork;
511 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
512
513 pnetwork = (struct ndis_wlan_bssid_ex *)pbuf;
514 #ifdef __BIG_ENDIAN
515 /* endian_convert */
516 pnetwork->Length = le32_to_cpu(pnetwork->Length);
517 pnetwork->Ssid.SsidLength = le32_to_cpu(pnetwork->Ssid.SsidLength);
518 pnetwork->Privacy = le32_to_cpu(pnetwork->Privacy);
519 pnetwork->Rssi = le32_to_cpu(pnetwork->Rssi);
520 pnetwork->NetworkTypeInUse = le32_to_cpu(pnetwork->NetworkTypeInUse);
521 pnetwork->Configuration.ATIMWindow =
522 le32_to_cpu(pnetwork->Configuration.ATIMWindow);
523 pnetwork->Configuration.BeaconPeriod =
524 le32_to_cpu(pnetwork->Configuration.BeaconPeriod);
525 pnetwork->Configuration.DSConfig =
526 le32_to_cpu(pnetwork->Configuration.DSConfig);
527 pnetwork->Configuration.FHConfig.DwellTime =
528 le32_to_cpu(pnetwork->Configuration.FHConfig.DwellTime);
529 pnetwork->Configuration.FHConfig.HopPattern =
530 le32_to_cpu(pnetwork->Configuration.FHConfig.HopPattern);
531 pnetwork->Configuration.FHConfig.HopSet =
532 le32_to_cpu(pnetwork->Configuration.FHConfig.HopSet);
533 pnetwork->Configuration.FHConfig.Length =
534 le32_to_cpu(pnetwork->Configuration.FHConfig.Length);
535 pnetwork->Configuration.Length =
536 le32_to_cpu(pnetwork->Configuration.Length);
537 pnetwork->InfrastructureMode =
538 le32_to_cpu(pnetwork->InfrastructureMode);
539 pnetwork->IELength = le32_to_cpu(pnetwork->IELength);
540 #endif
541 len = r8712_get_ndis_wlan_bssid_ex_sz(pnetwork);
542 if (len > sizeof(struct wlan_bssid_ex))
543 return;
544 spin_lock_irqsave(&pmlmepriv->lock2, flags);
545 /* update IBSS_network 's timestamp */
546 if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == true) {
547 if (!memcmp(&(pmlmepriv->cur_network.network.MacAddress),
548 pnetwork->MacAddress, ETH_ALEN)) {
549 struct wlan_network *ibss_wlan = NULL;
550
551 memcpy(pmlmepriv->cur_network.network.IEs,
552 pnetwork->IEs, 8);
553 ibss_wlan = r8712_find_network(
554 &pmlmepriv->scanned_queue,
555 pnetwork->MacAddress);
556 if (ibss_wlan) {
557 memcpy(ibss_wlan->network.IEs,
558 pnetwork->IEs, 8);
559 goto exit;
560 }
561 }
562 }
563 /* lock pmlmepriv->lock when you accessing network_q */
564 if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING) == false) {
565 if (pnetwork->Ssid.Ssid[0] != 0)
566 rtl8711_add_network(adapter, pnetwork);
567 else {
568 pnetwork->Ssid.SsidLength = 8;
569 memcpy(pnetwork->Ssid.Ssid, "<hidden>", 8);
570 rtl8711_add_network(adapter, pnetwork);
571 }
572 }
573 exit:
574 spin_unlock_irqrestore(&pmlmepriv->lock2, flags);
575 }
576
577 void r8712_surveydone_event_callback(struct _adapter *adapter, u8 *pbuf)
578 {
579 unsigned long irqL;
580 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
581
582 spin_lock_irqsave(&pmlmepriv->lock, irqL);
583
584 if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY) == true) {
585 u8 timer_cancelled;
586
587 _cancel_timer(&pmlmepriv->scan_to_timer, &timer_cancelled);
588
589 _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY);
590 }
591
592 if (pmlmepriv->to_join == true) {
593 if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true) {
594 if (check_fwstate(pmlmepriv, _FW_LINKED) == false) {
595 set_fwstate(pmlmepriv, _FW_UNDER_LINKING);
596
597 if (r8712_select_and_join_from_scan(pmlmepriv)
598 == _SUCCESS)
599 _set_timer(&pmlmepriv->assoc_timer,
600 MAX_JOIN_TIMEOUT);
601 else {
602 struct wlan_bssid_ex *pdev_network =
603 &(adapter->registrypriv.dev_network);
604 u8 *pibss =
605 adapter->registrypriv.
606 dev_network.MacAddress;
607 pmlmepriv->fw_state ^= _FW_UNDER_SURVEY;
608 memcpy(&pdev_network->Ssid,
609 &pmlmepriv->assoc_ssid,
610 sizeof(struct
611 ndis_802_11_ssid));
612 r8712_update_registrypriv_dev_network
613 (adapter);
614 r8712_generate_random_ibss(pibss);
615 pmlmepriv->fw_state =
616 WIFI_ADHOC_MASTER_STATE;
617 pmlmepriv->to_join = false;
618 }
619 }
620 } else {
621 pmlmepriv->to_join = false;
622 set_fwstate(pmlmepriv, _FW_UNDER_LINKING);
623 if (r8712_select_and_join_from_scan(pmlmepriv) ==
624 _SUCCESS)
625 _set_timer(&pmlmepriv->assoc_timer,
626 MAX_JOIN_TIMEOUT);
627 else
628 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
629 }
630 }
631 spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
632 }
633
634 /*
635 *r8712_free_assoc_resources: the caller has to lock pmlmepriv->lock
636 */
637 void r8712_free_assoc_resources(struct _adapter *adapter)
638 {
639 unsigned long irqL;
640 struct wlan_network *pwlan = NULL;
641 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
642 struct sta_priv *pstapriv = &adapter->stapriv;
643 struct wlan_network *tgt_network = &pmlmepriv->cur_network;
644
645 pwlan = r8712_find_network(&pmlmepriv->scanned_queue,
646 tgt_network->network.MacAddress);
647
648 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE|WIFI_AP_STATE)) {
649 struct sta_info *psta;
650
651 psta = r8712_get_stainfo(&adapter->stapriv,
652 tgt_network->network.MacAddress);
653
654 spin_lock_irqsave(&pstapriv->sta_hash_lock, irqL);
655 r8712_free_stainfo(adapter, psta);
656 spin_unlock_irqrestore(&pstapriv->sta_hash_lock, irqL);
657 }
658
659 if (check_fwstate(pmlmepriv,
660 WIFI_ADHOC_STATE|WIFI_ADHOC_MASTER_STATE|WIFI_AP_STATE))
661 r8712_free_all_stainfo(adapter);
662 if (pwlan)
663 pwlan->fixed = false;
664
665 if (((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) &&
666 (adapter->stapriv.asoc_sta_count == 1)))
667 free_network_nolock(pmlmepriv, pwlan);
668 }
669
670 /*
671 *r8712_indicate_connect: the caller has to lock pmlmepriv->lock
672 */
673 void r8712_indicate_connect(struct _adapter *padapter)
674 {
675 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
676
677 pmlmepriv->to_join = false;
678 set_fwstate(pmlmepriv, _FW_LINKED);
679 padapter->ledpriv.LedControlHandler(padapter, LED_CTL_LINK);
680 r8712_os_indicate_connect(padapter);
681 if (padapter->registrypriv.power_mgnt > PS_MODE_ACTIVE)
682 _set_timer(&pmlmepriv->dhcp_timer, 60000);
683 }
684
685
686 /*
687 *r8712_ind_disconnect: the caller has to lock pmlmepriv->lock
688 */
689 void r8712_ind_disconnect(struct _adapter *padapter)
690 {
691 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
692
693 if (check_fwstate(pmlmepriv, _FW_LINKED) == true) {
694 _clr_fwstate_(pmlmepriv, _FW_LINKED);
695 padapter->ledpriv.LedControlHandler(padapter, LED_CTL_NO_LINK);
696 r8712_os_indicate_disconnect(padapter);
697 }
698 if (padapter->pwrctrlpriv.pwr_mode !=
699 padapter->registrypriv.power_mgnt) {
700 _cancel_timer_ex(&pmlmepriv->dhcp_timer);
701 r8712_set_ps_mode(padapter, padapter->registrypriv.power_mgnt,
702 padapter->registrypriv.smart_ps);
703 }
704 }
705
706 /*Notes:
707 *pnetwork : returns from r8712_joinbss_event_callback
708 *ptarget_wlan: found from scanned_queue
709 *if join_res > 0, for (fw_state==WIFI_STATION_STATE), we check if
710 * "ptarget_sta" & "ptarget_wlan" exist.
711 *if join_res > 0, for (fw_state==WIFI_ADHOC_STATE), we only check
712 * if "ptarget_wlan" exist.
713 *if join_res > 0, update "cur_network->network" from
714 * "pnetwork->network" if (ptarget_wlan !=NULL).
715 */
716 void r8712_joinbss_event_callback(struct _adapter *adapter, u8 *pbuf)
717 {
718 unsigned long irqL = 0, irqL2;
719 u8 timer_cancelled;
720 struct sta_info *ptarget_sta = NULL, *pcur_sta = NULL;
721 struct sta_priv *pstapriv = &adapter->stapriv;
722 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
723 struct wlan_network *cur_network = &pmlmepriv->cur_network;
724 struct wlan_network *pcur_wlan = NULL, *ptarget_wlan = NULL;
725 unsigned int the_same_macaddr = false;
726 struct wlan_network *pnetwork;
727
728 if (sizeof(struct list_head) == 4 * sizeof(u32)) {
729 pnetwork = kmalloc(sizeof(struct wlan_network), GFP_ATOMIC);
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(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 psta = r8712_get_stainfo(pstapriv, pAddbareq_pram->MacAddress);
1047 if (psta) {
1048 precvreorder_ctrl =
1049 &psta->recvreorder_ctrl[pAddbareq_pram->tid];
1050 /* set the indicate_seq to 0xffff so that the rx reorder
1051 * can store any following data packet.
1052 */
1053 precvreorder_ctrl->indicate_seq = 0xffff;
1054 }
1055 }
1056
1057 void r8712_wpspbc_event_callback(struct _adapter *adapter, u8 *pbuf)
1058 {
1059 if (adapter->securitypriv.wps_hw_pbc_pressed == false)
1060 adapter->securitypriv.wps_hw_pbc_pressed = true;
1061 }
1062
1063 void _r8712_sitesurvey_ctrl_handler(struct _adapter *adapter)
1064 {
1065 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1066 struct sitesurvey_ctrl *psitesurveyctrl = &pmlmepriv->sitesurveyctrl;
1067 struct registry_priv *pregistrypriv = &adapter->registrypriv;
1068 u64 current_tx_pkts;
1069 uint current_rx_pkts;
1070
1071 current_tx_pkts = (adapter->xmitpriv.tx_pkts) -
1072 (psitesurveyctrl->last_tx_pkts);
1073 current_rx_pkts = (adapter->recvpriv.rx_pkts) -
1074 (psitesurveyctrl->last_rx_pkts);
1075 psitesurveyctrl->last_tx_pkts = adapter->xmitpriv.tx_pkts;
1076 psitesurveyctrl->last_rx_pkts = adapter->recvpriv.rx_pkts;
1077 if ((current_tx_pkts > pregistrypriv->busy_thresh) ||
1078 (current_rx_pkts > pregistrypriv->busy_thresh))
1079 psitesurveyctrl->traffic_busy = true;
1080 else
1081 psitesurveyctrl->traffic_busy = false;
1082 }
1083
1084 void _r8712_join_timeout_handler(struct _adapter *adapter)
1085 {
1086 unsigned long irqL;
1087 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1088
1089 if (adapter->bDriverStopped || adapter->bSurpriseRemoved)
1090 return;
1091 spin_lock_irqsave(&pmlmepriv->lock, irqL);
1092 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
1093 pmlmepriv->to_join = false;
1094 if (check_fwstate(pmlmepriv, _FW_LINKED) == true) {
1095 r8712_os_indicate_disconnect(adapter);
1096 _clr_fwstate_(pmlmepriv, _FW_LINKED);
1097 }
1098 if (adapter->pwrctrlpriv.pwr_mode != adapter->registrypriv.power_mgnt) {
1099 r8712_set_ps_mode(adapter, adapter->registrypriv.power_mgnt,
1100 adapter->registrypriv.smart_ps);
1101 }
1102 spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
1103 }
1104
1105 void r8712_scan_timeout_handler (struct _adapter *adapter)
1106 {
1107 unsigned long irqL;
1108 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1109
1110 spin_lock_irqsave(&pmlmepriv->lock, irqL);
1111 _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY);
1112 pmlmepriv->to_join = false; /* scan fail, so clear to_join flag */
1113 spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
1114 }
1115
1116 void _r8712_dhcp_timeout_handler (struct _adapter *adapter)
1117 {
1118 if (adapter->bDriverStopped || adapter->bSurpriseRemoved)
1119 return;
1120 if (adapter->pwrctrlpriv.pwr_mode != adapter->registrypriv.power_mgnt)
1121 r8712_set_ps_mode(adapter, adapter->registrypriv.power_mgnt,
1122 adapter->registrypriv.smart_ps);
1123 }
1124
1125 void _r8712_wdg_timeout_handler(struct _adapter *adapter)
1126 {
1127 r8712_wdg_wk_cmd(adapter);
1128 }
1129
1130 int r8712_select_and_join_from_scan(struct mlme_priv *pmlmepriv)
1131 {
1132 struct list_head *phead;
1133 unsigned char *dst_ssid, *src_ssid;
1134 struct _adapter *adapter;
1135 struct __queue *queue = NULL;
1136 struct wlan_network *pnetwork = NULL;
1137 struct wlan_network *pnetwork_max_rssi = NULL;
1138
1139 adapter = (struct _adapter *)pmlmepriv->nic_hdl;
1140 queue = &pmlmepriv->scanned_queue;
1141 phead = &queue->queue;
1142 pmlmepriv->pscanned = phead->next;
1143 while (1) {
1144 if (end_of_queue_search(phead, pmlmepriv->pscanned) == true) {
1145 if ((pmlmepriv->assoc_by_rssi == true) &&
1146 (pnetwork_max_rssi != NULL)) {
1147 pnetwork = pnetwork_max_rssi;
1148 goto ask_for_joinbss;
1149 }
1150 return _FAIL;
1151 }
1152 pnetwork = LIST_CONTAINOR(pmlmepriv->pscanned,
1153 struct wlan_network, list);
1154 if (pnetwork == NULL)
1155 return _FAIL;
1156 pmlmepriv->pscanned = pmlmepriv->pscanned->next;
1157 if (pmlmepriv->assoc_by_bssid == true) {
1158 dst_ssid = pnetwork->network.MacAddress;
1159 src_ssid = pmlmepriv->assoc_bssid;
1160 if (!memcmp(dst_ssid, src_ssid, ETH_ALEN)) {
1161 if (check_fwstate(pmlmepriv, _FW_LINKED)) {
1162 if (is_same_network(&pmlmepriv->
1163 cur_network.network,
1164 &pnetwork->network)) {
1165 _clr_fwstate_(pmlmepriv,
1166 _FW_UNDER_LINKING);
1167 /*r8712_indicate_connect again*/
1168 r8712_indicate_connect(adapter);
1169 return 2;
1170 }
1171 r8712_disassoc_cmd(adapter);
1172 r8712_ind_disconnect(adapter);
1173 r8712_free_assoc_resources(adapter);
1174 }
1175 goto ask_for_joinbss;
1176 }
1177 } else if (pmlmepriv->assoc_ssid.SsidLength == 0)
1178 goto ask_for_joinbss;
1179 dst_ssid = pnetwork->network.Ssid.Ssid;
1180 src_ssid = pmlmepriv->assoc_ssid.Ssid;
1181 if ((pnetwork->network.Ssid.SsidLength ==
1182 pmlmepriv->assoc_ssid.SsidLength) &&
1183 (!memcmp(dst_ssid, src_ssid,
1184 pmlmepriv->assoc_ssid.SsidLength))) {
1185 if (pmlmepriv->assoc_by_rssi == true) {
1186 /* if the ssid is the same, select the bss
1187 * which has the max rssi*/
1188 if (pnetwork_max_rssi) {
1189 if (pnetwork->network.Rssi >
1190 pnetwork_max_rssi->network.Rssi)
1191 pnetwork_max_rssi = pnetwork;
1192 } else
1193 pnetwork_max_rssi = pnetwork;
1194 } else if (is_desired_network(adapter, pnetwork)) {
1195 if (check_fwstate(pmlmepriv, _FW_LINKED)) {
1196 r8712_disassoc_cmd(adapter);
1197 r8712_free_assoc_resources(adapter);
1198 }
1199 goto ask_for_joinbss;
1200 }
1201 }
1202 }
1203 return _FAIL;
1204 ask_for_joinbss:
1205 return r8712_joinbss_cmd(adapter, pnetwork);
1206 }
1207
1208 sint r8712_set_auth(struct _adapter *adapter,
1209 struct security_priv *psecuritypriv)
1210 {
1211 struct cmd_priv *pcmdpriv = &adapter->cmdpriv;
1212 struct cmd_obj *pcmd;
1213 struct setauth_parm *psetauthparm;
1214
1215 pcmd = kmalloc(sizeof(*pcmd), GFP_ATOMIC);
1216 if (pcmd == NULL)
1217 return _FAIL;
1218
1219 psetauthparm = kzalloc(sizeof(*psetauthparm), GFP_ATOMIC);
1220 if (psetauthparm == NULL) {
1221 kfree(pcmd);
1222 return _FAIL;
1223 }
1224 psetauthparm->mode = (u8)psecuritypriv->AuthAlgrthm;
1225 pcmd->cmdcode = _SetAuth_CMD_;
1226 pcmd->parmbuf = (unsigned char *)psetauthparm;
1227 pcmd->cmdsz = sizeof(struct setauth_parm);
1228 pcmd->rsp = NULL;
1229 pcmd->rspsz = 0;
1230 INIT_LIST_HEAD(&pcmd->list);
1231 r8712_enqueue_cmd(pcmdpriv, pcmd);
1232 return _SUCCESS;
1233 }
1234
1235 sint r8712_set_key(struct _adapter *adapter,
1236 struct security_priv *psecuritypriv,
1237 sint keyid)
1238 {
1239 struct cmd_priv *pcmdpriv = &adapter->cmdpriv;
1240 struct cmd_obj *pcmd;
1241 struct setkey_parm *psetkeyparm;
1242 u8 keylen;
1243 sint ret = _SUCCESS;
1244
1245 pcmd = kmalloc(sizeof(*pcmd), GFP_ATOMIC);
1246 if (pcmd == NULL)
1247 return _FAIL;
1248 psetkeyparm = kzalloc(sizeof(*psetkeyparm), GFP_ATOMIC);
1249 if (psetkeyparm == NULL) {
1250 ret = _FAIL;
1251 goto err_free_cmd;
1252 }
1253 if (psecuritypriv->AuthAlgrthm == 2) { /* 802.1X */
1254 psetkeyparm->algorithm =
1255 (u8)psecuritypriv->XGrpPrivacy;
1256 } else { /* WEP */
1257 psetkeyparm->algorithm =
1258 (u8)psecuritypriv->PrivacyAlgrthm;
1259 }
1260 psetkeyparm->keyid = (u8)keyid;
1261
1262 switch (psetkeyparm->algorithm) {
1263 case _WEP40_:
1264 keylen = 5;
1265 memcpy(psetkeyparm->key,
1266 psecuritypriv->DefKey[keyid].skey, keylen);
1267 break;
1268 case _WEP104_:
1269 keylen = 13;
1270 memcpy(psetkeyparm->key,
1271 psecuritypriv->DefKey[keyid].skey, keylen);
1272 break;
1273 case _TKIP_:
1274 if (keyid < 1 || keyid > 2) {
1275 ret = _FAIL;
1276 goto err_free_parm;
1277 }
1278 keylen = 16;
1279 memcpy(psetkeyparm->key,
1280 &psecuritypriv->XGrpKey[keyid - 1], keylen);
1281 psetkeyparm->grpkey = 1;
1282 break;
1283 case _AES_:
1284 if (keyid < 1 || keyid > 2) {
1285 ret = _FAIL;
1286 goto err_free_parm;
1287 }
1288 keylen = 16;
1289 memcpy(psetkeyparm->key,
1290 &psecuritypriv->XGrpKey[keyid - 1], keylen);
1291 psetkeyparm->grpkey = 1;
1292 break;
1293 default:
1294 ret = _FAIL;
1295 goto err_free_parm;
1296 }
1297 pcmd->cmdcode = _SetKey_CMD_;
1298 pcmd->parmbuf = (u8 *)psetkeyparm;
1299 pcmd->cmdsz = (sizeof(struct setkey_parm));
1300 pcmd->rsp = NULL;
1301 pcmd->rspsz = 0;
1302 INIT_LIST_HEAD(&pcmd->list);
1303 r8712_enqueue_cmd(pcmdpriv, pcmd);
1304 return ret;
1305
1306 err_free_parm:
1307 kfree(psetkeyparm);
1308 err_free_cmd:
1309 kfree(pcmd);
1310 return ret;
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, 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 uncst_oui[3] = 0x1;
1403 break;
1404 case Ndis802_11Encryption2Enabled:
1405 case Ndis802_11Encryption2KeyAbsent:
1406 uncst_oui[3] = 0x2;
1407 break;
1408 case Ndis802_11Encryption3Enabled:
1409 case Ndis802_11Encryption3KeyAbsent:
1410 uncst_oui[3] = 0x4;
1411 break;
1412 default:
1413 break;
1414 }
1415 /*Search required WPA or WPA2 IE and copy to sec_ie[] */
1416 cnt = 12;
1417 match = false;
1418 while (cnt < in_len) {
1419 if (in_ie[cnt] == authmode) {
1420 if ((authmode == _WPA_IE_ID_) &&
1421 (!memcmp(&in_ie[cnt+2], &wpa_oui[0], 4))) {
1422 memcpy(&sec_ie[0], &in_ie[cnt],
1423 in_ie[cnt + 1] + 2);
1424 match = true;
1425 break;
1426 }
1427 if (authmode == _WPA2_IE_ID_) {
1428 memcpy(&sec_ie[0], &in_ie[cnt],
1429 in_ie[cnt + 1] + 2);
1430 match = true;
1431 break;
1432 }
1433 if (((authmode == _WPA_IE_ID_) &&
1434 (!memcmp(&in_ie[cnt + 2], &wpa_oui[0], 4))) ||
1435 (authmode == _WPA2_IE_ID_))
1436 memcpy(&bkup_ie[0], &in_ie[cnt],
1437 in_ie[cnt + 1] + 2);
1438 }
1439 cnt += in_ie[cnt+1] + 2; /*get next*/
1440 }
1441 /*restruct WPA IE or WPA2 IE in sec_ie[] */
1442 if (match == true) {
1443 if (sec_ie[0] == _WPA_IE_ID_) {
1444 /* parsing SSN IE to select required encryption
1445 * algorithm, and set the bc/mc encryption algorithm */
1446 while (true) {
1447 /*check wpa_oui tag*/
1448 if (memcmp(&sec_ie[2], &wpa_oui[0], 4)) {
1449 match = false;
1450 break;
1451 }
1452 if ((sec_ie[6] != 0x01) || (sec_ie[7] != 0x0)) {
1453 /*IE Ver error*/
1454 match = false;
1455 break;
1456 }
1457 if (!memcmp(&sec_ie[8], &wpa_oui[0], 3)) {
1458 /* get bc/mc encryption type (group
1459 * key type)*/
1460 switch (sec_ie[11]) {
1461 case 0x0: /*none*/
1462 psecuritypriv->XGrpPrivacy =
1463 _NO_PRIVACY_;
1464 break;
1465 case 0x1: /*WEP_40*/
1466 psecuritypriv->XGrpPrivacy =
1467 _WEP40_;
1468 break;
1469 case 0x2: /*TKIP*/
1470 psecuritypriv->XGrpPrivacy =
1471 _TKIP_;
1472 break;
1473 case 0x3: /*AESCCMP*/
1474 case 0x4:
1475 psecuritypriv->XGrpPrivacy =
1476 _AES_;
1477 break;
1478 case 0x5: /*WEP_104*/
1479 psecuritypriv->XGrpPrivacy =
1480 _WEP104_;
1481 break;
1482 }
1483 } else {
1484 match = false;
1485 break;
1486 }
1487 if (sec_ie[12] == 0x01) {
1488 /*check the unicast encryption type*/
1489 if (memcmp(&sec_ie[14],
1490 &uncst_oui[0], 4)) {
1491 match = false;
1492 break;
1493
1494 } /*else the uncst_oui is match*/
1495 } else { /*mixed mode, unicast_enc_type > 1*/
1496 /*select the uncst_oui and remove
1497 * the other uncst_oui*/
1498 cnt = sec_ie[12];
1499 remove_cnt = (cnt-1) * 4;
1500 sec_ie[12] = 0x01;
1501 memcpy(&sec_ie[14], &uncst_oui[0], 4);
1502 /*remove the other unicast suit*/
1503 memcpy(&sec_ie[18],
1504 &sec_ie[18 + remove_cnt],
1505 sec_ie[1] - 18 + 2 -
1506 remove_cnt);
1507 sec_ie[1] = sec_ie[1] - remove_cnt;
1508 }
1509 break;
1510 }
1511 }
1512 if (authmode == _WPA2_IE_ID_) {
1513 /* parsing RSN IE to select required encryption
1514 * algorithm, and set the bc/mc encryption algorithm */
1515 while (true) {
1516 if ((sec_ie[2] != 0x01) || (sec_ie[3] != 0x0)) {
1517 /*IE Ver error*/
1518 match = false;
1519 break;
1520 }
1521 if (!memcmp(&sec_ie[4], &uncst_oui[0], 3)) {
1522 /*get bc/mc encryption type*/
1523 switch (sec_ie[7]) {
1524 case 0x1: /*WEP_40*/
1525 psecuritypriv->XGrpPrivacy =
1526 _WEP40_;
1527 break;
1528 case 0x2: /*TKIP*/
1529 psecuritypriv->XGrpPrivacy =
1530 _TKIP_;
1531 break;
1532 case 0x4: /*AESWRAP*/
1533 psecuritypriv->XGrpPrivacy =
1534 _AES_;
1535 break;
1536 case 0x5: /*WEP_104*/
1537 psecuritypriv->XGrpPrivacy =
1538 _WEP104_;
1539 break;
1540 default: /*one*/
1541 psecuritypriv->XGrpPrivacy =
1542 _NO_PRIVACY_;
1543 break;
1544 }
1545 } else {
1546 match = false;
1547 break;
1548 }
1549 if (sec_ie[8] == 0x01) {
1550 /*check the unicast encryption type*/
1551 if (memcmp(&sec_ie[10],
1552 &uncst_oui[0], 4)) {
1553 match = false;
1554 break;
1555 } /*else the uncst_oui is match*/
1556 } else { /*mixed mode, unicast_enc_type > 1*/
1557 /*select the uncst_oui and remove the
1558 * other uncst_oui*/
1559 cnt = sec_ie[8];
1560 remove_cnt = (cnt-1)*4;
1561 sec_ie[8] = 0x01;
1562 memcpy(&sec_ie[10], &uncst_oui[0], 4);
1563 /*remove the other unicast suit*/
1564 memcpy(&sec_ie[14],
1565 &sec_ie[14 + remove_cnt],
1566 (sec_ie[1] - 14 + 2 -
1567 remove_cnt));
1568 sec_ie[1] = sec_ie[1]-remove_cnt;
1569 }
1570 break;
1571 }
1572 }
1573 }
1574 if ((authmode == _WPA_IE_ID_) || (authmode == _WPA2_IE_ID_)) {
1575 /*copy fixed ie*/
1576 memcpy(out_ie, in_ie, 12);
1577 ielength = 12;
1578 /*copy RSN or SSN*/
1579 if (match == true) {
1580 memcpy(&out_ie[ielength], &sec_ie[0], sec_ie[1]+2);
1581 ielength += sec_ie[1] + 2;
1582 if (authmode == _WPA2_IE_ID_) {
1583 /*the Pre-Authentication bit should be zero*/
1584 out_ie[ielength - 1] = 0;
1585 out_ie[ielength - 2] = 0;
1586 }
1587 r8712_report_sec_ie(adapter, authmode, sec_ie);
1588 }
1589 } else {
1590 /*copy fixed ie only*/
1591 memcpy(out_ie, in_ie, 12);
1592 ielength = 12;
1593 if (psecuritypriv->wps_phase == true) {
1594 memcpy(out_ie+ielength, psecuritypriv->wps_ie,
1595 psecuritypriv->wps_ie_len);
1596 ielength += psecuritypriv->wps_ie_len;
1597 }
1598 }
1599 iEntry = SecIsInPMKIDList(adapter, pmlmepriv->assoc_bssid);
1600 if (iEntry < 0)
1601 return ielength;
1602 else {
1603 if (authmode == _WPA2_IE_ID_) {
1604 out_ie[ielength] = 1;
1605 ielength++;
1606 out_ie[ielength] = 0; /*PMKID count = 0x0100*/
1607 ielength++;
1608 memcpy(&out_ie[ielength],
1609 &psecuritypriv->PMKIDList[iEntry].PMKID, 16);
1610 ielength += 16;
1611 out_ie[13] += 18;/*PMKID length = 2+16*/
1612 }
1613 }
1614 return ielength;
1615 }
1616
1617 void r8712_init_registrypriv_dev_network(struct _adapter *adapter)
1618 {
1619 struct registry_priv *pregistrypriv = &adapter->registrypriv;
1620 struct eeprom_priv *peepriv = &adapter->eeprompriv;
1621 struct wlan_bssid_ex *pdev_network = &pregistrypriv->dev_network;
1622 u8 *myhwaddr = myid(peepriv);
1623
1624 memcpy(pdev_network->MacAddress, myhwaddr, ETH_ALEN);
1625 memcpy(&pdev_network->Ssid, &pregistrypriv->ssid,
1626 sizeof(struct ndis_802_11_ssid));
1627 pdev_network->Configuration.Length =
1628 sizeof(struct NDIS_802_11_CONFIGURATION);
1629 pdev_network->Configuration.BeaconPeriod = 100;
1630 pdev_network->Configuration.FHConfig.Length = 0;
1631 pdev_network->Configuration.FHConfig.HopPattern = 0;
1632 pdev_network->Configuration.FHConfig.HopSet = 0;
1633 pdev_network->Configuration.FHConfig.DwellTime = 0;
1634 }
1635
1636 void r8712_update_registrypriv_dev_network(struct _adapter *adapter)
1637 {
1638 int sz = 0;
1639 struct registry_priv *pregistrypriv = &adapter->registrypriv;
1640 struct wlan_bssid_ex *pdev_network = &pregistrypriv->dev_network;
1641 struct security_priv *psecuritypriv = &adapter->securitypriv;
1642 struct wlan_network *cur_network = &adapter->mlmepriv.cur_network;
1643
1644 pdev_network->Privacy = cpu_to_le32(psecuritypriv->PrivacyAlgrthm
1645 > 0 ? 1 : 0); /* adhoc no 802.1x */
1646 pdev_network->Rssi = 0;
1647 switch (pregistrypriv->wireless_mode) {
1648 case WIRELESS_11B:
1649 pdev_network->NetworkTypeInUse = cpu_to_le32(Ndis802_11DS);
1650 break;
1651 case WIRELESS_11G:
1652 case WIRELESS_11BG:
1653 pdev_network->NetworkTypeInUse = cpu_to_le32(Ndis802_11OFDM24);
1654 break;
1655 case WIRELESS_11A:
1656 pdev_network->NetworkTypeInUse = cpu_to_le32(Ndis802_11OFDM5);
1657 break;
1658 default:
1659 /* TODO */
1660 break;
1661 }
1662 pdev_network->Configuration.DSConfig = cpu_to_le32(
1663 pregistrypriv->channel);
1664 if (cur_network->network.InfrastructureMode == Ndis802_11IBSS)
1665 pdev_network->Configuration.ATIMWindow = cpu_to_le32(3);
1666 pdev_network->InfrastructureMode = cpu_to_le32(
1667 cur_network->network.InfrastructureMode);
1668 /* 1. Supported rates
1669 * 2. IE
1670 */
1671 sz = r8712_generate_ie(pregistrypriv);
1672 pdev_network->IELength = sz;
1673 pdev_network->Length = r8712_get_ndis_wlan_bssid_ex_sz(
1674 (struct ndis_wlan_bssid_ex *)pdev_network);
1675 }
1676
1677 /*the function is at passive_level*/
1678 void r8712_joinbss_reset(struct _adapter *padapter)
1679 {
1680 int i;
1681 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1682 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
1683
1684 /* todo: if you want to do something io/reg/hw setting before join_bss,
1685 * please add code here */
1686 phtpriv->ampdu_enable = false;/*reset to disabled*/
1687 for (i = 0; i < 16; i++)
1688 phtpriv->baddbareq_issued[i] = false;/*reset it*/
1689 if (phtpriv->ht_option) {
1690 /* validate usb rx aggregation */
1691 r8712_write8(padapter, 0x102500D9, 48);/*TH = 48 pages, 6k*/
1692 } else {
1693 /* invalidate usb rx aggregation */
1694 /* TH=1 => means that invalidate usb rx aggregation */
1695 r8712_write8(padapter, 0x102500D9, 1);
1696 }
1697 }
1698
1699 /*the function is >= passive_level*/
1700 unsigned int r8712_restructure_ht_ie(struct _adapter *padapter, u8 *in_ie,
1701 u8 *out_ie, uint in_len, uint *pout_len)
1702 {
1703 u32 ielen, out_len;
1704 unsigned char *p;
1705 struct ieee80211_ht_cap ht_capie;
1706 unsigned char WMM_IE[] = {0x00, 0x50, 0xf2, 0x02, 0x00, 0x01, 0x00};
1707 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1708 struct qos_priv *pqospriv = &pmlmepriv->qospriv;
1709 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
1710
1711 phtpriv->ht_option = 0;
1712 p = r8712_get_ie(in_ie+12, _HT_CAPABILITY_IE_, &ielen, in_len-12);
1713 if (p && (ielen > 0)) {
1714 if (pqospriv->qos_option == 0) {
1715 out_len = *pout_len;
1716 r8712_set_ie(out_ie+out_len, _VENDOR_SPECIFIC_IE_,
1717 _WMM_IE_Length_, WMM_IE, pout_len);
1718 pqospriv->qos_option = 1;
1719 }
1720 out_len = *pout_len;
1721 memset(&ht_capie, 0, sizeof(struct ieee80211_ht_cap));
1722 ht_capie.cap_info = IEEE80211_HT_CAP_SUP_WIDTH |
1723 IEEE80211_HT_CAP_SGI_20 |
1724 IEEE80211_HT_CAP_SGI_40 |
1725 IEEE80211_HT_CAP_TX_STBC |
1726 IEEE80211_HT_CAP_MAX_AMSDU |
1727 IEEE80211_HT_CAP_DSSSCCK40;
1728 ht_capie.ampdu_params_info = (IEEE80211_HT_CAP_AMPDU_FACTOR &
1729 0x03) | (IEEE80211_HT_CAP_AMPDU_DENSITY & 0x00);
1730 r8712_set_ie(out_ie+out_len, _HT_CAPABILITY_IE_,
1731 sizeof(struct ieee80211_ht_cap),
1732 (unsigned char *)&ht_capie, pout_len);
1733 phtpriv->ht_option = 1;
1734 }
1735 return phtpriv->ht_option;
1736 }
1737
1738 /* the function is > passive_level (in critical_section) */
1739 static void update_ht_cap(struct _adapter *padapter, u8 *pie, uint ie_len)
1740 {
1741 u8 *p, max_ampdu_sz;
1742 int i, len;
1743 struct sta_info *bmc_sta, *psta;
1744 struct ieee80211_ht_cap *pht_capie;
1745 struct recv_reorder_ctrl *preorder_ctrl;
1746 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1747 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
1748 struct registry_priv *pregistrypriv = &padapter->registrypriv;
1749 struct wlan_network *pcur_network = &(pmlmepriv->cur_network);
1750
1751 if (!phtpriv->ht_option)
1752 return;
1753 /* maybe needs check if ap supports rx ampdu. */
1754 if ((phtpriv->ampdu_enable == false) &&
1755 (pregistrypriv->ampdu_enable == 1))
1756 phtpriv->ampdu_enable = true;
1757 /*check Max Rx A-MPDU Size*/
1758 len = 0;
1759 p = r8712_get_ie(pie + sizeof(struct NDIS_802_11_FIXED_IEs),
1760 _HT_CAPABILITY_IE_,
1761 &len, ie_len -
1762 sizeof(struct NDIS_802_11_FIXED_IEs));
1763 if (p && len > 0) {
1764 pht_capie = (struct ieee80211_ht_cap *)(p+2);
1765 max_ampdu_sz = (pht_capie->ampdu_params_info &
1766 IEEE80211_HT_CAP_AMPDU_FACTOR);
1767 /* max_ampdu_sz (kbytes); */
1768 max_ampdu_sz = 1 << (max_ampdu_sz+3);
1769 phtpriv->rx_ampdu_maxlen = max_ampdu_sz;
1770 }
1771 /* for A-MPDU Rx reordering buffer control for bmc_sta & sta_info
1772 * if A-MPDU Rx is enabled, resetting rx_ordering_ctrl
1773 * wstart_b(indicate_seq) to default value=0xffff
1774 * todo: check if AP can send A-MPDU packets
1775 */
1776 bmc_sta = r8712_get_bcmc_stainfo(padapter);
1777 if (bmc_sta) {
1778 for (i = 0; i < 16; i++) {
1779 preorder_ctrl = &bmc_sta->recvreorder_ctrl[i];
1780 preorder_ctrl->indicate_seq = 0xffff;
1781 preorder_ctrl->wend_b = 0xffff;
1782 }
1783 }
1784 psta = r8712_get_stainfo(&padapter->stapriv,
1785 pcur_network->network.MacAddress);
1786 if (psta) {
1787 for (i = 0; i < 16; i++) {
1788 preorder_ctrl = &psta->recvreorder_ctrl[i];
1789 preorder_ctrl->indicate_seq = 0xffff;
1790 preorder_ctrl->wend_b = 0xffff;
1791 }
1792 }
1793 len = 0;
1794 p = r8712_get_ie(pie + sizeof(struct NDIS_802_11_FIXED_IEs),
1795 _HT_ADD_INFO_IE_, &len,
1796 ie_len-sizeof(struct NDIS_802_11_FIXED_IEs));
1797 }
1798
1799 void r8712_issue_addbareq_cmd(struct _adapter *padapter, int priority)
1800 {
1801 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1802 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
1803
1804 if ((phtpriv->ht_option == 1) && (phtpriv->ampdu_enable == true)) {
1805 if (phtpriv->baddbareq_issued[priority] == false) {
1806 r8712_addbareq_cmd(padapter, (u8)priority);
1807 phtpriv->baddbareq_issued[priority] = true;
1808 }
1809 }
1810 }
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