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
_init_mlme_priv(struct _adapter * padapter)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_array(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
_r8712_alloc_network(struct mlme_priv * pmlmepriv)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
_free_network(struct mlme_priv * pmlmepriv,struct wlan_network * pnetwork)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)
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
_free_network_nolock(struct mlme_priv * pmlmepriv,struct wlan_network * pnetwork)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)
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 */
_r8712_find_network(struct __queue * scanned_queue,u8 * addr)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
_free_network_queue(struct _adapter * padapter)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)) {
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
r8712_if_up(struct _adapter * padapter)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)) {
193 res = false;
194 } else {
195 res = true;
196 }
197 return res;
198 }
199
r8712_generate_random_ibss(u8 * pibss)200 void r8712_generate_random_ibss(u8 *pibss)
201 {
202 u32 curtime = jiffies;
203
204 pibss[0] = 0x02; /*in ad-hoc mode bit1 must set to 1 */
205 pibss[1] = 0x11;
206 pibss[2] = 0x87;
207 pibss[3] = (u8)(curtime & 0xff);
208 pibss[4] = (u8)((curtime >> 8) & 0xff);
209 pibss[5] = (u8)((curtime >> 16) & 0xff);
210 }
211
r8712_get_wlan_bssid_ex_sz(struct wlan_bssid_ex * bss)212 uint r8712_get_wlan_bssid_ex_sz(struct wlan_bssid_ex *bss)
213 {
214 return sizeof(*bss) + bss->IELength - MAX_IE_SZ;
215 }
216
r8712_get_capability_from_ie(u8 * ie)217 u8 *r8712_get_capability_from_ie(u8 *ie)
218 {
219 return ie + 8 + 2;
220 }
221
r8712_init_mlme_priv(struct _adapter * padapter)222 int r8712_init_mlme_priv(struct _adapter *padapter)
223 {
224 return _init_mlme_priv(padapter);
225 }
226
r8712_free_mlme_priv(struct mlme_priv * pmlmepriv)227 void r8712_free_mlme_priv(struct mlme_priv *pmlmepriv)
228 {
229 kfree(pmlmepriv->free_bss_buf);
230 }
231
alloc_network(struct mlme_priv * pmlmepriv)232 static struct wlan_network *alloc_network(struct mlme_priv *pmlmepriv)
233 {
234 return _r8712_alloc_network(pmlmepriv);
235 }
236
free_network_nolock(struct mlme_priv * pmlmepriv,struct wlan_network * pnetwork)237 static void free_network_nolock(struct mlme_priv *pmlmepriv,
238 struct wlan_network *pnetwork)
239 {
240 _free_network_nolock(pmlmepriv, pnetwork);
241 }
242
r8712_free_network_queue(struct _adapter * dev)243 void r8712_free_network_queue(struct _adapter *dev)
244 {
245 _free_network_queue(dev);
246 }
247
248 /*
249 return the wlan_network with the matching addr
250
251 Shall be called under atomic context...
252 to avoid possible racing condition...
253 */
r8712_find_network(struct __queue * scanned_queue,u8 * addr)254 static struct wlan_network *r8712_find_network(struct __queue *scanned_queue,
255 u8 *addr)
256 {
257 struct wlan_network *pnetwork = _r8712_find_network(scanned_queue,
258 addr);
259
260 return pnetwork;
261 }
262
r8712_is_same_ibss(struct _adapter * adapter,struct wlan_network * pnetwork)263 int r8712_is_same_ibss(struct _adapter *adapter, struct wlan_network *pnetwork)
264 {
265 int ret = true;
266 struct security_priv *psecuritypriv = &adapter->securitypriv;
267
268 if ((psecuritypriv->PrivacyAlgrthm != _NO_PRIVACY_) &&
269 (pnetwork->network.Privacy == 0))
270 ret = false;
271 else if ((psecuritypriv->PrivacyAlgrthm == _NO_PRIVACY_) &&
272 (pnetwork->network.Privacy == 1))
273 ret = false;
274 else
275 ret = true;
276 return ret;
277
278 }
279
is_same_network(struct wlan_bssid_ex * src,struct wlan_bssid_ex * dst)280 static int is_same_network(struct wlan_bssid_ex *src,
281 struct wlan_bssid_ex *dst)
282 {
283 u16 s_cap, d_cap;
284
285 memcpy((u8 *)&s_cap, r8712_get_capability_from_ie(src->IEs), 2);
286 memcpy((u8 *)&d_cap, r8712_get_capability_from_ie(dst->IEs), 2);
287 return (src->Ssid.SsidLength == dst->Ssid.SsidLength) &&
288 (src->Configuration.DSConfig ==
289 dst->Configuration.DSConfig) &&
290 ((!memcmp(src->MacAddress, dst->MacAddress,
291 ETH_ALEN))) &&
292 ((!memcmp(src->Ssid.Ssid,
293 dst->Ssid.Ssid,
294 src->Ssid.SsidLength))) &&
295 ((s_cap & WLAN_CAPABILITY_IBSS) ==
296 (d_cap & WLAN_CAPABILITY_IBSS)) &&
297 ((s_cap & WLAN_CAPABILITY_BSS) ==
298 (d_cap & WLAN_CAPABILITY_BSS));
299
300 }
301
r8712_get_oldest_wlan_network(struct __queue * scanned_queue)302 struct wlan_network *r8712_get_oldest_wlan_network(
303 struct __queue *scanned_queue)
304 {
305 struct list_head *plist, *phead;
306 struct wlan_network *pwlan = NULL;
307 struct wlan_network *oldest = NULL;
308
309 phead = &scanned_queue->queue;
310 plist = phead->next;
311 while (1) {
312 if (end_of_queue_search(phead, plist) == true)
313 break;
314 pwlan = LIST_CONTAINOR(plist, struct wlan_network, list);
315 if (pwlan->fixed != true) {
316 if (oldest == NULL ||
317 time_after((unsigned long)oldest->last_scanned,
318 (unsigned long)pwlan->last_scanned))
319 oldest = pwlan;
320 }
321 plist = plist->next;
322 }
323 return oldest;
324 }
325
update_network(struct wlan_bssid_ex * dst,struct wlan_bssid_ex * src,struct _adapter * padapter)326 static void update_network(struct wlan_bssid_ex *dst,
327 struct wlan_bssid_ex *src,
328 struct _adapter *padapter)
329 {
330 u32 last_evm = 0, tmpVal;
331
332 if (check_fwstate(&padapter->mlmepriv, _FW_LINKED) &&
333 is_same_network(&(padapter->mlmepriv.cur_network.network), src)) {
334 if (padapter->recvpriv.signal_qual_data.total_num++ >=
335 PHY_LINKQUALITY_SLID_WIN_MAX) {
336 padapter->recvpriv.signal_qual_data.total_num =
337 PHY_LINKQUALITY_SLID_WIN_MAX;
338 last_evm = padapter->recvpriv.signal_qual_data.
339 elements[padapter->recvpriv.
340 signal_qual_data.index];
341 padapter->recvpriv.signal_qual_data.total_val -=
342 last_evm;
343 }
344 padapter->recvpriv.signal_qual_data.total_val += src->Rssi;
345
346 padapter->recvpriv.signal_qual_data.
347 elements[padapter->recvpriv.signal_qual_data.
348 index++] = src->Rssi;
349 if (padapter->recvpriv.signal_qual_data.index >=
350 PHY_LINKQUALITY_SLID_WIN_MAX)
351 padapter->recvpriv.signal_qual_data.index = 0;
352 /* <1> Showed on UI for user, in percentage. */
353 tmpVal = padapter->recvpriv.signal_qual_data.total_val /
354 padapter->recvpriv.signal_qual_data.total_num;
355 padapter->recvpriv.signal = (u8)tmpVal;
356
357 src->Rssi = padapter->recvpriv.signal;
358 } else {
359 src->Rssi = (src->Rssi + dst->Rssi) / 2;
360 }
361 memcpy((u8 *)dst, (u8 *)src, r8712_get_wlan_bssid_ex_sz(src));
362 }
363
update_current_network(struct _adapter * adapter,struct wlan_bssid_ex * pnetwork)364 static void update_current_network(struct _adapter *adapter,
365 struct wlan_bssid_ex *pnetwork)
366 {
367 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
368
369 if (is_same_network(&(pmlmepriv->cur_network.network), pnetwork)) {
370 update_network(&(pmlmepriv->cur_network.network),
371 pnetwork, adapter);
372 r8712_update_protection(adapter,
373 (pmlmepriv->cur_network.network.IEs) +
374 sizeof(struct NDIS_802_11_FIXED_IEs),
375 pmlmepriv->cur_network.network.IELength);
376 }
377 }
378
379 /*
380 Caller must hold pmlmepriv->lock first.
381 */
update_scanned_network(struct _adapter * adapter,struct wlan_bssid_ex * target)382 static void update_scanned_network(struct _adapter *adapter,
383 struct wlan_bssid_ex *target)
384 {
385 struct list_head *plist, *phead;
386
387 u32 bssid_ex_sz;
388 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
389 struct __queue *queue = &pmlmepriv->scanned_queue;
390 struct wlan_network *pnetwork = NULL;
391 struct wlan_network *oldest = NULL;
392
393 phead = &queue->queue;
394 plist = phead->next;
395
396 while (1) {
397 if (end_of_queue_search(phead, plist))
398 break;
399
400 pnetwork = LIST_CONTAINOR(plist, struct wlan_network, list);
401 if (is_same_network(&pnetwork->network, target))
402 break;
403 if ((oldest == ((struct wlan_network *)0)) ||
404 time_after((unsigned long)oldest->last_scanned,
405 (unsigned long)pnetwork->last_scanned))
406 oldest = pnetwork;
407
408 plist = plist->next;
409 }
410
411
412 /* If we didn't find a match, then get a new network slot to initialize
413 * with this beacon's information */
414 if (end_of_queue_search(phead, plist)) {
415 if (list_empty(&pmlmepriv->free_bss_pool.queue)) {
416 /* If there are no more slots, expire the oldest */
417 pnetwork = oldest;
418 target->Rssi = (pnetwork->network.Rssi +
419 target->Rssi) / 2;
420 memcpy(&pnetwork->network, target,
421 r8712_get_wlan_bssid_ex_sz(target));
422 pnetwork->last_scanned = jiffies;
423 } else {
424 /* Otherwise just pull from the free list */
425 /* update scan_time */
426 pnetwork = alloc_network(pmlmepriv);
427 if (pnetwork == NULL)
428 return;
429 bssid_ex_sz = r8712_get_wlan_bssid_ex_sz(target);
430 target->Length = bssid_ex_sz;
431 memcpy(&pnetwork->network, target, bssid_ex_sz);
432 list_add_tail(&pnetwork->list, &queue->queue);
433 }
434 } else {
435 /* we have an entry and we are going to update it. But
436 * this entry may be already expired. In this case we
437 * do the same as we found a new net and call the new_net
438 * handler
439 */
440 update_network(&pnetwork->network, target, adapter);
441 pnetwork->last_scanned = jiffies;
442 }
443 }
444
rtl8711_add_network(struct _adapter * adapter,struct wlan_bssid_ex * pnetwork)445 static void rtl8711_add_network(struct _adapter *adapter,
446 struct wlan_bssid_ex *pnetwork)
447 {
448 unsigned long irqL;
449 struct mlme_priv *pmlmepriv = &(((struct _adapter *)adapter)->mlmepriv);
450 struct __queue *queue = &pmlmepriv->scanned_queue;
451
452 spin_lock_irqsave(&queue->lock, irqL);
453 update_current_network(adapter, pnetwork);
454 update_scanned_network(adapter, pnetwork);
455 spin_unlock_irqrestore(&queue->lock, irqL);
456 }
457
458 /*select the desired network based on the capability of the (i)bss.
459 * check items: (1) security
460 * (2) network_type
461 * (3) WMM
462 * (4) HT
463 * (5) others
464 */
is_desired_network(struct _adapter * adapter,struct wlan_network * pnetwork)465 static int is_desired_network(struct _adapter *adapter,
466 struct wlan_network *pnetwork)
467 {
468 u8 wps_ie[512];
469 uint wps_ielen;
470 int bselected = true;
471 struct security_priv *psecuritypriv = &adapter->securitypriv;
472
473 if (psecuritypriv->wps_phase) {
474 if (r8712_get_wps_ie(pnetwork->network.IEs,
475 pnetwork->network.IELength, wps_ie,
476 &wps_ielen))
477 return true;
478 else
479 return false;
480 }
481 if ((psecuritypriv->PrivacyAlgrthm != _NO_PRIVACY_) &&
482 (pnetwork->network.Privacy == 0))
483 bselected = false;
484 if (check_fwstate(&adapter->mlmepriv, WIFI_ADHOC_STATE)) {
485 if (pnetwork->network.InfrastructureMode !=
486 adapter->mlmepriv.cur_network.network.
487 InfrastructureMode)
488 bselected = false;
489 }
490 return bselected;
491 }
492
493 /* TODO: Perry : For Power Management */
r8712_atimdone_event_callback(struct _adapter * adapter,u8 * pbuf)494 void r8712_atimdone_event_callback(struct _adapter *adapter, u8 *pbuf)
495 {
496 }
497
r8712_survey_event_callback(struct _adapter * adapter,u8 * pbuf)498 void r8712_survey_event_callback(struct _adapter *adapter, u8 *pbuf)
499 {
500 unsigned long flags;
501 u32 len;
502 struct wlan_bssid_ex *pnetwork;
503 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
504
505 pnetwork = (struct wlan_bssid_ex *)pbuf;
506 #ifdef __BIG_ENDIAN
507 /* endian_convert */
508 pnetwork->Length = le32_to_cpu(pnetwork->Length);
509 pnetwork->Ssid.SsidLength = le32_to_cpu(pnetwork->Ssid.SsidLength);
510 pnetwork->Privacy = le32_to_cpu(pnetwork->Privacy);
511 pnetwork->Rssi = le32_to_cpu(pnetwork->Rssi);
512 pnetwork->NetworkTypeInUse = le32_to_cpu(pnetwork->NetworkTypeInUse);
513 pnetwork->Configuration.ATIMWindow =
514 le32_to_cpu(pnetwork->Configuration.ATIMWindow);
515 pnetwork->Configuration.BeaconPeriod =
516 le32_to_cpu(pnetwork->Configuration.BeaconPeriod);
517 pnetwork->Configuration.DSConfig =
518 le32_to_cpu(pnetwork->Configuration.DSConfig);
519 pnetwork->Configuration.FHConfig.DwellTime =
520 le32_to_cpu(pnetwork->Configuration.FHConfig.DwellTime);
521 pnetwork->Configuration.FHConfig.HopPattern =
522 le32_to_cpu(pnetwork->Configuration.FHConfig.HopPattern);
523 pnetwork->Configuration.FHConfig.HopSet =
524 le32_to_cpu(pnetwork->Configuration.FHConfig.HopSet);
525 pnetwork->Configuration.FHConfig.Length =
526 le32_to_cpu(pnetwork->Configuration.FHConfig.Length);
527 pnetwork->Configuration.Length =
528 le32_to_cpu(pnetwork->Configuration.Length);
529 pnetwork->InfrastructureMode =
530 le32_to_cpu(pnetwork->InfrastructureMode);
531 pnetwork->IELength = le32_to_cpu(pnetwork->IELength);
532 #endif
533 len = r8712_get_wlan_bssid_ex_sz(pnetwork);
534 if (len > sizeof(struct wlan_bssid_ex))
535 return;
536 spin_lock_irqsave(&pmlmepriv->lock2, flags);
537 /* update IBSS_network 's timestamp */
538 if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) {
539 if (!memcmp(&(pmlmepriv->cur_network.network.MacAddress),
540 pnetwork->MacAddress, ETH_ALEN)) {
541 struct wlan_network *ibss_wlan = NULL;
542
543 memcpy(pmlmepriv->cur_network.network.IEs,
544 pnetwork->IEs, 8);
545 ibss_wlan = r8712_find_network(
546 &pmlmepriv->scanned_queue,
547 pnetwork->MacAddress);
548 if (ibss_wlan) {
549 memcpy(ibss_wlan->network.IEs,
550 pnetwork->IEs, 8);
551 goto exit;
552 }
553 }
554 }
555 /* lock pmlmepriv->lock when you accessing network_q */
556 if (!check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) {
557 if (pnetwork->Ssid.Ssid[0] != 0) {
558 rtl8711_add_network(adapter, pnetwork);
559 } else {
560 pnetwork->Ssid.SsidLength = 8;
561 memcpy(pnetwork->Ssid.Ssid, "<hidden>", 8);
562 rtl8711_add_network(adapter, pnetwork);
563 }
564 }
565 exit:
566 spin_unlock_irqrestore(&pmlmepriv->lock2, flags);
567 }
568
r8712_surveydone_event_callback(struct _adapter * adapter,u8 * pbuf)569 void r8712_surveydone_event_callback(struct _adapter *adapter, u8 *pbuf)
570 {
571 unsigned long irqL;
572 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
573
574 spin_lock_irqsave(&pmlmepriv->lock, irqL);
575
576 if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY)) {
577 del_timer(&pmlmepriv->scan_to_timer);
578
579 _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY);
580 }
581
582 if (pmlmepriv->to_join) {
583 if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) {
584 if (!check_fwstate(pmlmepriv, _FW_LINKED)) {
585 set_fwstate(pmlmepriv, _FW_UNDER_LINKING);
586
587 if (r8712_select_and_join_from_scan(pmlmepriv)
588 == _SUCCESS)
589 mod_timer(&pmlmepriv->assoc_timer, jiffies +
590 msecs_to_jiffies(MAX_JOIN_TIMEOUT));
591 else {
592 struct wlan_bssid_ex *pdev_network =
593 &(adapter->registrypriv.dev_network);
594 u8 *pibss =
595 adapter->registrypriv.
596 dev_network.MacAddress;
597 pmlmepriv->fw_state ^= _FW_UNDER_SURVEY;
598 memcpy(&pdev_network->Ssid,
599 &pmlmepriv->assoc_ssid,
600 sizeof(struct
601 ndis_802_11_ssid));
602 r8712_update_registrypriv_dev_network
603 (adapter);
604 r8712_generate_random_ibss(pibss);
605 pmlmepriv->fw_state =
606 WIFI_ADHOC_MASTER_STATE;
607 pmlmepriv->to_join = false;
608 }
609 }
610 } else {
611 pmlmepriv->to_join = false;
612 set_fwstate(pmlmepriv, _FW_UNDER_LINKING);
613 if (r8712_select_and_join_from_scan(pmlmepriv) ==
614 _SUCCESS)
615 mod_timer(&pmlmepriv->assoc_timer, jiffies +
616 msecs_to_jiffies(MAX_JOIN_TIMEOUT));
617 else
618 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
619 }
620 }
621 spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
622 }
623
624 /*
625 *r8712_free_assoc_resources: the caller has to lock pmlmepriv->lock
626 */
r8712_free_assoc_resources(struct _adapter * adapter)627 void r8712_free_assoc_resources(struct _adapter *adapter)
628 {
629 unsigned long irqL;
630 struct wlan_network *pwlan = NULL;
631 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
632 struct sta_priv *pstapriv = &adapter->stapriv;
633 struct wlan_network *tgt_network = &pmlmepriv->cur_network;
634
635 pwlan = r8712_find_network(&pmlmepriv->scanned_queue,
636 tgt_network->network.MacAddress);
637
638 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE | WIFI_AP_STATE)) {
639 struct sta_info *psta;
640
641 psta = r8712_get_stainfo(&adapter->stapriv,
642 tgt_network->network.MacAddress);
643
644 spin_lock_irqsave(&pstapriv->sta_hash_lock, irqL);
645 r8712_free_stainfo(adapter, psta);
646 spin_unlock_irqrestore(&pstapriv->sta_hash_lock, irqL);
647 }
648
649 if (check_fwstate(pmlmepriv,
650 WIFI_ADHOC_STATE | WIFI_ADHOC_MASTER_STATE | WIFI_AP_STATE))
651 r8712_free_all_stainfo(adapter);
652 if (pwlan)
653 pwlan->fixed = false;
654
655 if (((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) &&
656 (adapter->stapriv.asoc_sta_count == 1)))
657 free_network_nolock(pmlmepriv, pwlan);
658 }
659
660 /*
661 *r8712_indicate_connect: the caller has to lock pmlmepriv->lock
662 */
r8712_indicate_connect(struct _adapter * padapter)663 void r8712_indicate_connect(struct _adapter *padapter)
664 {
665 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
666
667 pmlmepriv->to_join = false;
668 set_fwstate(pmlmepriv, _FW_LINKED);
669 padapter->ledpriv.LedControlHandler(padapter, LED_CTL_LINK);
670 r8712_os_indicate_connect(padapter);
671 if (padapter->registrypriv.power_mgnt > PS_MODE_ACTIVE)
672 mod_timer(&pmlmepriv->dhcp_timer,
673 jiffies + msecs_to_jiffies(60000));
674 }
675
676
677 /*
678 *r8712_ind_disconnect: the caller has to lock pmlmepriv->lock
679 */
r8712_ind_disconnect(struct _adapter * padapter)680 void r8712_ind_disconnect(struct _adapter *padapter)
681 {
682 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
683
684 if (check_fwstate(pmlmepriv, _FW_LINKED)) {
685 _clr_fwstate_(pmlmepriv, _FW_LINKED);
686 padapter->ledpriv.LedControlHandler(padapter, LED_CTL_NO_LINK);
687 r8712_os_indicate_disconnect(padapter);
688 }
689 if (padapter->pwrctrlpriv.pwr_mode !=
690 padapter->registrypriv.power_mgnt) {
691 del_timer(&pmlmepriv->dhcp_timer);
692 r8712_set_ps_mode(padapter, padapter->registrypriv.power_mgnt,
693 padapter->registrypriv.smart_ps);
694 }
695 }
696
697 /*Notes:
698 *pnetwork : returns from r8712_joinbss_event_callback
699 *ptarget_wlan: found from scanned_queue
700 *if join_res > 0, for (fw_state==WIFI_STATION_STATE), we check if
701 * "ptarget_sta" & "ptarget_wlan" exist.
702 *if join_res > 0, for (fw_state==WIFI_ADHOC_STATE), we only check
703 * if "ptarget_wlan" exist.
704 *if join_res > 0, update "cur_network->network" from
705 * "pnetwork->network" if (ptarget_wlan !=NULL).
706 */
r8712_joinbss_event_callback(struct _adapter * adapter,u8 * pbuf)707 void r8712_joinbss_event_callback(struct _adapter *adapter, u8 *pbuf)
708 {
709 unsigned long irqL = 0, irqL2;
710 struct sta_info *ptarget_sta = NULL, *pcur_sta = NULL;
711 struct sta_priv *pstapriv = &adapter->stapriv;
712 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
713 struct wlan_network *cur_network = &pmlmepriv->cur_network;
714 struct wlan_network *pcur_wlan = NULL, *ptarget_wlan = NULL;
715 unsigned int the_same_macaddr = false;
716 struct wlan_network *pnetwork;
717
718 if (sizeof(struct list_head) == 4 * sizeof(u32)) {
719 pnetwork = kmalloc(sizeof(struct wlan_network), GFP_ATOMIC);
720 if (!pnetwork)
721 return;
722 memcpy((u8 *)pnetwork + 16, (u8 *)pbuf + 8,
723 sizeof(struct wlan_network) - 16);
724 } else {
725 pnetwork = (struct wlan_network *)pbuf;
726 }
727
728 #ifdef __BIG_ENDIAN
729 /* endian_convert */
730 pnetwork->join_res = le32_to_cpu(pnetwork->join_res);
731 pnetwork->network_type = le32_to_cpu(pnetwork->network_type);
732 pnetwork->network.Length = le32_to_cpu(pnetwork->network.Length);
733 pnetwork->network.Ssid.SsidLength =
734 le32_to_cpu(pnetwork->network.Ssid.SsidLength);
735 pnetwork->network.Privacy = le32_to_cpu(pnetwork->network.Privacy);
736 pnetwork->network.Rssi = le32_to_cpu(pnetwork->network.Rssi);
737 pnetwork->network.NetworkTypeInUse =
738 le32_to_cpu(pnetwork->network.NetworkTypeInUse);
739 pnetwork->network.Configuration.ATIMWindow =
740 le32_to_cpu(pnetwork->network.Configuration.ATIMWindow);
741 pnetwork->network.Configuration.BeaconPeriod =
742 le32_to_cpu(pnetwork->network.Configuration.BeaconPeriod);
743 pnetwork->network.Configuration.DSConfig =
744 le32_to_cpu(pnetwork->network.Configuration.DSConfig);
745 pnetwork->network.Configuration.FHConfig.DwellTime =
746 le32_to_cpu(pnetwork->network.Configuration.FHConfig.
747 DwellTime);
748 pnetwork->network.Configuration.FHConfig.HopPattern =
749 le32_to_cpu(pnetwork->network.Configuration.
750 FHConfig.HopPattern);
751 pnetwork->network.Configuration.FHConfig.HopSet =
752 le32_to_cpu(pnetwork->network.Configuration.FHConfig.HopSet);
753 pnetwork->network.Configuration.FHConfig.Length =
754 le32_to_cpu(pnetwork->network.Configuration.FHConfig.Length);
755 pnetwork->network.Configuration.Length =
756 le32_to_cpu(pnetwork->network.Configuration.Length);
757 pnetwork->network.InfrastructureMode =
758 le32_to_cpu(pnetwork->network.InfrastructureMode);
759 pnetwork->network.IELength = le32_to_cpu(pnetwork->network.IELength);
760 #endif
761
762 the_same_macaddr = !memcmp(pnetwork->network.MacAddress,
763 cur_network->network.MacAddress, ETH_ALEN);
764 pnetwork->network.Length =
765 r8712_get_wlan_bssid_ex_sz(&pnetwork->network);
766 spin_lock_irqsave(&pmlmepriv->lock, irqL);
767 if (pnetwork->network.Length > sizeof(struct wlan_bssid_ex))
768 goto ignore_joinbss_callback;
769 if (pnetwork->join_res > 0) {
770 if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) {
771 /*s1. find ptarget_wlan*/
772 if (check_fwstate(pmlmepriv, _FW_LINKED)) {
773 if (the_same_macaddr) {
774 ptarget_wlan =
775 r8712_find_network(&pmlmepriv->
776 scanned_queue,
777 cur_network->network.MacAddress);
778 } else {
779 pcur_wlan =
780 r8712_find_network(&pmlmepriv->
781 scanned_queue,
782 cur_network->network.MacAddress);
783 pcur_wlan->fixed = false;
784
785 pcur_sta = r8712_get_stainfo(pstapriv,
786 cur_network->network.MacAddress);
787 spin_lock_irqsave(&pstapriv->
788 sta_hash_lock, irqL2);
789 r8712_free_stainfo(adapter, pcur_sta);
790 spin_unlock_irqrestore(&(pstapriv->
791 sta_hash_lock), irqL2);
792
793 ptarget_wlan =
794 r8712_find_network(&pmlmepriv->
795 scanned_queue,
796 pnetwork->network.
797 MacAddress);
798 if (ptarget_wlan)
799 ptarget_wlan->fixed = true;
800 }
801 } else {
802 ptarget_wlan = r8712_find_network(&pmlmepriv->
803 scanned_queue,
804 pnetwork->network.MacAddress);
805 if (ptarget_wlan)
806 ptarget_wlan->fixed = true;
807 }
808
809 if (ptarget_wlan == NULL) {
810 if (check_fwstate(pmlmepriv,
811 _FW_UNDER_LINKING))
812 pmlmepriv->fw_state ^=
813 _FW_UNDER_LINKING;
814 goto ignore_joinbss_callback;
815 }
816
817 /*s2. find ptarget_sta & update ptarget_sta*/
818 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
819 if (the_same_macaddr) {
820 ptarget_sta =
821 r8712_get_stainfo(pstapriv,
822 pnetwork->network.MacAddress);
823 if (ptarget_sta == NULL)
824 ptarget_sta =
825 r8712_alloc_stainfo(pstapriv,
826 pnetwork->network.MacAddress);
827 } else {
828 ptarget_sta =
829 r8712_alloc_stainfo(pstapriv,
830 pnetwork->network.MacAddress);
831 }
832 if (ptarget_sta) /*update ptarget_sta*/ {
833 ptarget_sta->aid = pnetwork->join_res;
834 ptarget_sta->qos_option = 1;
835 ptarget_sta->mac_id = 5;
836 if (adapter->securitypriv.
837 AuthAlgrthm == 2) {
838 adapter->securitypriv.
839 binstallGrpkey =
840 false;
841 adapter->securitypriv.
842 busetkipkey =
843 false;
844 adapter->securitypriv.
845 bgrpkey_handshake =
846 false;
847 ptarget_sta->ieee8021x_blocked
848 = true;
849 ptarget_sta->XPrivacy =
850 adapter->securitypriv.
851 PrivacyAlgrthm;
852 memset((u8 *)&ptarget_sta->
853 x_UncstKey,
854 0,
855 sizeof(union Keytype));
856 memset((u8 *)&ptarget_sta->
857 tkiprxmickey,
858 0,
859 sizeof(union Keytype));
860 memset((u8 *)&ptarget_sta->
861 tkiptxmickey,
862 0,
863 sizeof(union Keytype));
864 memset((u8 *)&ptarget_sta->
865 txpn, 0,
866 sizeof(union pn48));
867 memset((u8 *)&ptarget_sta->
868 rxpn, 0,
869 sizeof(union pn48));
870 }
871 } else {
872 if (check_fwstate(pmlmepriv,
873 _FW_UNDER_LINKING))
874 pmlmepriv->fw_state ^=
875 _FW_UNDER_LINKING;
876 goto ignore_joinbss_callback;
877 }
878 }
879
880 /*s3. update cur_network & indicate connect*/
881 memcpy(&cur_network->network, &pnetwork->network,
882 pnetwork->network.Length);
883 cur_network->aid = pnetwork->join_res;
884 /*update fw_state will clr _FW_UNDER_LINKING*/
885 switch (pnetwork->network.InfrastructureMode) {
886 case Ndis802_11Infrastructure:
887 pmlmepriv->fw_state = WIFI_STATION_STATE;
888 break;
889 case Ndis802_11IBSS:
890 pmlmepriv->fw_state = WIFI_ADHOC_STATE;
891 break;
892 default:
893 pmlmepriv->fw_state = WIFI_NULL_STATE;
894 break;
895 }
896 r8712_update_protection(adapter,
897 (cur_network->network.IEs) +
898 sizeof(struct NDIS_802_11_FIXED_IEs),
899 (cur_network->network.IELength));
900 /*TODO: update HT_Capability*/
901 update_ht_cap(adapter, cur_network->network.IEs,
902 cur_network->network.IELength);
903 /*indicate connect*/
904 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE))
905 r8712_indicate_connect(adapter);
906 del_timer(&pmlmepriv->assoc_timer);
907 } else {
908 goto ignore_joinbss_callback;
909 }
910 } else {
911 if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) {
912 mod_timer(&pmlmepriv->assoc_timer,
913 jiffies + msecs_to_jiffies(1));
914 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
915 }
916 }
917 ignore_joinbss_callback:
918 spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
919 if (sizeof(struct list_head) == 4 * sizeof(u32))
920 kfree(pnetwork);
921 }
922
r8712_stassoc_event_callback(struct _adapter * adapter,u8 * pbuf)923 void r8712_stassoc_event_callback(struct _adapter *adapter, u8 *pbuf)
924 {
925 unsigned long irqL;
926 struct sta_info *psta;
927 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
928 struct stassoc_event *pstassoc = (struct stassoc_event *)pbuf;
929
930 /* to do: */
931 if (!r8712_access_ctrl(&adapter->acl_list, pstassoc->macaddr))
932 return;
933 psta = r8712_get_stainfo(&adapter->stapriv, pstassoc->macaddr);
934 if (psta != NULL) {
935 /*the sta have been in sta_info_queue => do nothing
936 *(between drv has received this event before and
937 * fw have not yet to set key to CAM_ENTRY) */
938 return;
939 }
940
941 psta = r8712_alloc_stainfo(&adapter->stapriv, pstassoc->macaddr);
942 if (psta == NULL)
943 return;
944 /* to do : init sta_info variable */
945 psta->qos_option = 0;
946 psta->mac_id = le32_to_cpu((uint)pstassoc->cam_id);
947 /* psta->aid = (uint)pstassoc->cam_id; */
948
949 if (adapter->securitypriv.AuthAlgrthm == 2)
950 psta->XPrivacy = adapter->securitypriv.PrivacyAlgrthm;
951 psta->ieee8021x_blocked = false;
952 spin_lock_irqsave(&pmlmepriv->lock, irqL);
953 if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) ||
954 check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) {
955 if (adapter->stapriv.asoc_sta_count == 2) {
956 /* a sta + bc/mc_stainfo (not Ibss_stainfo) */
957 r8712_indicate_connect(adapter);
958 }
959 }
960 spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
961 }
962
r8712_stadel_event_callback(struct _adapter * adapter,u8 * pbuf)963 void r8712_stadel_event_callback(struct _adapter *adapter, u8 *pbuf)
964 {
965 unsigned long irqL, irqL2;
966 struct sta_info *psta;
967 struct wlan_network *pwlan = NULL;
968 struct wlan_bssid_ex *pdev_network = NULL;
969 u8 *pibss = NULL;
970 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
971 struct stadel_event *pstadel = (struct stadel_event *)pbuf;
972 struct sta_priv *pstapriv = &adapter->stapriv;
973 struct wlan_network *tgt_network = &pmlmepriv->cur_network;
974
975 spin_lock_irqsave(&pmlmepriv->lock, irqL2);
976 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
977 r8712_ind_disconnect(adapter);
978 r8712_free_assoc_resources(adapter);
979 }
980 if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE |
981 WIFI_ADHOC_STATE)) {
982 psta = r8712_get_stainfo(&adapter->stapriv, pstadel->macaddr);
983 spin_lock_irqsave(&pstapriv->sta_hash_lock, irqL);
984 r8712_free_stainfo(adapter, psta);
985 spin_unlock_irqrestore(&pstapriv->sta_hash_lock, irqL);
986 if (adapter->stapriv.asoc_sta_count == 1) {
987 /*a sta + bc/mc_stainfo (not Ibss_stainfo) */
988 pwlan = r8712_find_network(&pmlmepriv->scanned_queue,
989 tgt_network->network.MacAddress);
990 if (pwlan) {
991 pwlan->fixed = false;
992 free_network_nolock(pmlmepriv, pwlan);
993 }
994 /*re-create ibss*/
995 pdev_network = &(adapter->registrypriv.dev_network);
996 pibss = adapter->registrypriv.dev_network.MacAddress;
997 memcpy(pdev_network, &tgt_network->network,
998 r8712_get_wlan_bssid_ex_sz(&tgt_network->
999 network));
1000 memcpy(&pdev_network->Ssid,
1001 &pmlmepriv->assoc_ssid,
1002 sizeof(struct ndis_802_11_ssid));
1003 r8712_update_registrypriv_dev_network(adapter);
1004 r8712_generate_random_ibss(pibss);
1005 if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) {
1006 _clr_fwstate_(pmlmepriv, WIFI_ADHOC_STATE);
1007 set_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE);
1008 }
1009 }
1010 }
1011 spin_unlock_irqrestore(&pmlmepriv->lock, irqL2);
1012 }
1013
r8712_cpwm_event_callback(struct _adapter * adapter,u8 * pbuf)1014 void r8712_cpwm_event_callback(struct _adapter *adapter, u8 *pbuf)
1015 {
1016 struct reportpwrstate_parm *preportpwrstate =
1017 (struct reportpwrstate_parm *)pbuf;
1018
1019 preportpwrstate->state |= (u8)(adapter->pwrctrlpriv.cpwm_tog + 0x80);
1020 r8712_cpwm_int_hdl(adapter, preportpwrstate);
1021 }
1022
1023 /* When the Netgear 3500 AP is with WPA2PSK-AES mode, it will send
1024 * the ADDBA req frame with start seq control = 0 to wifi client after
1025 * the WPA handshake and the seqence number of following data packet
1026 * will be 0. In this case, the Rx reorder sequence is not longer than 0
1027 * and the WiFi client will drop the data with seq number 0.
1028 * So, the 8712 firmware has to inform driver with receiving the
1029 * ADDBA-Req frame so that the driver can reset the
1030 * sequence value of Rx reorder control.
1031 */
r8712_got_addbareq_event_callback(struct _adapter * adapter,u8 * pbuf)1032 void r8712_got_addbareq_event_callback(struct _adapter *adapter, u8 *pbuf)
1033 {
1034 struct ADDBA_Req_Report_parm *pAddbareq_pram =
1035 (struct ADDBA_Req_Report_parm *)pbuf;
1036 struct sta_info *psta;
1037 struct sta_priv *pstapriv = &adapter->stapriv;
1038 struct recv_reorder_ctrl *precvreorder_ctrl = NULL;
1039
1040 psta = r8712_get_stainfo(pstapriv, pAddbareq_pram->MacAddress);
1041 if (psta) {
1042 precvreorder_ctrl =
1043 &psta->recvreorder_ctrl[pAddbareq_pram->tid];
1044 /* set the indicate_seq to 0xffff so that the rx reorder
1045 * can store any following data packet.
1046 */
1047 precvreorder_ctrl->indicate_seq = 0xffff;
1048 }
1049 }
1050
r8712_wpspbc_event_callback(struct _adapter * adapter,u8 * pbuf)1051 void r8712_wpspbc_event_callback(struct _adapter *adapter, u8 *pbuf)
1052 {
1053 if (!adapter->securitypriv.wps_hw_pbc_pressed)
1054 adapter->securitypriv.wps_hw_pbc_pressed = true;
1055 }
1056
_r8712_sitesurvey_ctrl_handler(struct _adapter * adapter)1057 void _r8712_sitesurvey_ctrl_handler(struct _adapter *adapter)
1058 {
1059 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1060 struct sitesurvey_ctrl *psitesurveyctrl = &pmlmepriv->sitesurveyctrl;
1061 struct registry_priv *pregistrypriv = &adapter->registrypriv;
1062 u64 current_tx_pkts;
1063 uint current_rx_pkts;
1064
1065 current_tx_pkts = (adapter->xmitpriv.tx_pkts) -
1066 (psitesurveyctrl->last_tx_pkts);
1067 current_rx_pkts = (adapter->recvpriv.rx_pkts) -
1068 (psitesurveyctrl->last_rx_pkts);
1069 psitesurveyctrl->last_tx_pkts = adapter->xmitpriv.tx_pkts;
1070 psitesurveyctrl->last_rx_pkts = adapter->recvpriv.rx_pkts;
1071 if ((current_tx_pkts > pregistrypriv->busy_thresh) ||
1072 (current_rx_pkts > pregistrypriv->busy_thresh))
1073 psitesurveyctrl->traffic_busy = true;
1074 else
1075 psitesurveyctrl->traffic_busy = false;
1076 }
1077
_r8712_join_timeout_handler(struct _adapter * adapter)1078 void _r8712_join_timeout_handler(struct _adapter *adapter)
1079 {
1080 unsigned long irqL;
1081 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1082
1083 if (adapter->bDriverStopped || adapter->bSurpriseRemoved)
1084 return;
1085 spin_lock_irqsave(&pmlmepriv->lock, irqL);
1086 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
1087 pmlmepriv->to_join = false;
1088 if (check_fwstate(pmlmepriv, _FW_LINKED)) {
1089 r8712_os_indicate_disconnect(adapter);
1090 _clr_fwstate_(pmlmepriv, _FW_LINKED);
1091 }
1092 if (adapter->pwrctrlpriv.pwr_mode != adapter->registrypriv.power_mgnt) {
1093 r8712_set_ps_mode(adapter, adapter->registrypriv.power_mgnt,
1094 adapter->registrypriv.smart_ps);
1095 }
1096 spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
1097 }
1098
r8712_scan_timeout_handler(struct _adapter * adapter)1099 void r8712_scan_timeout_handler (struct _adapter *adapter)
1100 {
1101 unsigned long irqL;
1102 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1103
1104 spin_lock_irqsave(&pmlmepriv->lock, irqL);
1105 _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY);
1106 pmlmepriv->to_join = false; /* scan fail, so clear to_join flag */
1107 spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
1108 }
1109
_r8712_dhcp_timeout_handler(struct _adapter * adapter)1110 void _r8712_dhcp_timeout_handler (struct _adapter *adapter)
1111 {
1112 if (adapter->bDriverStopped || adapter->bSurpriseRemoved)
1113 return;
1114 if (adapter->pwrctrlpriv.pwr_mode != adapter->registrypriv.power_mgnt)
1115 r8712_set_ps_mode(adapter, adapter->registrypriv.power_mgnt,
1116 adapter->registrypriv.smart_ps);
1117 }
1118
_r8712_wdg_timeout_handler(struct _adapter * adapter)1119 void _r8712_wdg_timeout_handler(struct _adapter *adapter)
1120 {
1121 r8712_wdg_wk_cmd(adapter);
1122 }
1123
r8712_select_and_join_from_scan(struct mlme_priv * pmlmepriv)1124 int r8712_select_and_join_from_scan(struct mlme_priv *pmlmepriv)
1125 {
1126 struct list_head *phead;
1127 unsigned char *dst_ssid, *src_ssid;
1128 struct _adapter *adapter;
1129 struct __queue *queue = NULL;
1130 struct wlan_network *pnetwork = NULL;
1131 struct wlan_network *pnetwork_max_rssi = NULL;
1132
1133 adapter = (struct _adapter *)pmlmepriv->nic_hdl;
1134 queue = &pmlmepriv->scanned_queue;
1135 phead = &queue->queue;
1136 pmlmepriv->pscanned = phead->next;
1137 while (1) {
1138 if (end_of_queue_search(phead, pmlmepriv->pscanned)) {
1139 if ((pmlmepriv->assoc_by_rssi) &&
1140 (pnetwork_max_rssi != NULL)) {
1141 pnetwork = pnetwork_max_rssi;
1142 goto ask_for_joinbss;
1143 }
1144 return _FAIL;
1145 }
1146 pnetwork = LIST_CONTAINOR(pmlmepriv->pscanned,
1147 struct wlan_network, list);
1148 if (pnetwork == NULL)
1149 return _FAIL;
1150 pmlmepriv->pscanned = pmlmepriv->pscanned->next;
1151 if (pmlmepriv->assoc_by_bssid) {
1152 dst_ssid = pnetwork->network.MacAddress;
1153 src_ssid = pmlmepriv->assoc_bssid;
1154 if (!memcmp(dst_ssid, src_ssid, ETH_ALEN)) {
1155 if (check_fwstate(pmlmepriv, _FW_LINKED)) {
1156 if (is_same_network(&pmlmepriv->
1157 cur_network.network,
1158 &pnetwork->network)) {
1159 _clr_fwstate_(pmlmepriv,
1160 _FW_UNDER_LINKING);
1161 /*r8712_indicate_connect again*/
1162 r8712_indicate_connect(adapter);
1163 return 2;
1164 }
1165 r8712_disassoc_cmd(adapter);
1166 r8712_ind_disconnect(adapter);
1167 r8712_free_assoc_resources(adapter);
1168 }
1169 goto ask_for_joinbss;
1170 }
1171 } else if (pmlmepriv->assoc_ssid.SsidLength == 0) {
1172 goto ask_for_joinbss;
1173 }
1174 dst_ssid = pnetwork->network.Ssid.Ssid;
1175 src_ssid = pmlmepriv->assoc_ssid.Ssid;
1176 if ((pnetwork->network.Ssid.SsidLength ==
1177 pmlmepriv->assoc_ssid.SsidLength) &&
1178 (!memcmp(dst_ssid, src_ssid,
1179 pmlmepriv->assoc_ssid.SsidLength))) {
1180 if (pmlmepriv->assoc_by_rssi) {
1181 /* if the ssid is the same, select the bss
1182 * which has the max rssi*/
1183 if (pnetwork_max_rssi) {
1184 if (pnetwork->network.Rssi >
1185 pnetwork_max_rssi->network.Rssi)
1186 pnetwork_max_rssi = pnetwork;
1187 } else {
1188 pnetwork_max_rssi = pnetwork;
1189 }
1190 } else if (is_desired_network(adapter, pnetwork)) {
1191 if (check_fwstate(pmlmepriv, _FW_LINKED)) {
1192 r8712_disassoc_cmd(adapter);
1193 r8712_free_assoc_resources(adapter);
1194 }
1195 goto ask_for_joinbss;
1196 }
1197 }
1198 }
1199
1200 ask_for_joinbss:
1201 return r8712_joinbss_cmd(adapter, pnetwork);
1202 }
1203
r8712_set_auth(struct _adapter * adapter,struct security_priv * psecuritypriv)1204 sint r8712_set_auth(struct _adapter *adapter,
1205 struct security_priv *psecuritypriv)
1206 {
1207 struct cmd_priv *pcmdpriv = &adapter->cmdpriv;
1208 struct cmd_obj *pcmd;
1209 struct setauth_parm *psetauthparm;
1210
1211 pcmd = kmalloc(sizeof(*pcmd), GFP_ATOMIC);
1212 if (pcmd == NULL)
1213 return _FAIL;
1214
1215 psetauthparm = kzalloc(sizeof(*psetauthparm), GFP_ATOMIC);
1216 if (psetauthparm == NULL) {
1217 kfree(pcmd);
1218 return _FAIL;
1219 }
1220 psetauthparm->mode = (u8)psecuritypriv->AuthAlgrthm;
1221 pcmd->cmdcode = _SetAuth_CMD_;
1222 pcmd->parmbuf = (unsigned char *)psetauthparm;
1223 pcmd->cmdsz = sizeof(struct setauth_parm);
1224 pcmd->rsp = NULL;
1225 pcmd->rspsz = 0;
1226 INIT_LIST_HEAD(&pcmd->list);
1227 r8712_enqueue_cmd(pcmdpriv, pcmd);
1228 return _SUCCESS;
1229 }
1230
r8712_set_key(struct _adapter * adapter,struct security_priv * psecuritypriv,sint keyid)1231 sint r8712_set_key(struct _adapter *adapter,
1232 struct security_priv *psecuritypriv,
1233 sint keyid)
1234 {
1235 struct cmd_priv *pcmdpriv = &adapter->cmdpriv;
1236 struct cmd_obj *pcmd;
1237 struct setkey_parm *psetkeyparm;
1238 u8 keylen;
1239 sint ret = _SUCCESS;
1240
1241 pcmd = kmalloc(sizeof(*pcmd), GFP_ATOMIC);
1242 if (pcmd == NULL)
1243 return _FAIL;
1244 psetkeyparm = kzalloc(sizeof(*psetkeyparm), GFP_ATOMIC);
1245 if (psetkeyparm == NULL) {
1246 ret = _FAIL;
1247 goto err_free_cmd;
1248 }
1249 if (psecuritypriv->AuthAlgrthm == 2) { /* 802.1X */
1250 psetkeyparm->algorithm =
1251 (u8)psecuritypriv->XGrpPrivacy;
1252 } else { /* WEP */
1253 psetkeyparm->algorithm =
1254 (u8)psecuritypriv->PrivacyAlgrthm;
1255 }
1256 psetkeyparm->keyid = (u8)keyid;
1257
1258 switch (psetkeyparm->algorithm) {
1259 case _WEP40_:
1260 keylen = 5;
1261 memcpy(psetkeyparm->key,
1262 psecuritypriv->DefKey[keyid].skey, keylen);
1263 break;
1264 case _WEP104_:
1265 keylen = 13;
1266 memcpy(psetkeyparm->key,
1267 psecuritypriv->DefKey[keyid].skey, keylen);
1268 break;
1269 case _TKIP_:
1270 if (keyid < 1 || keyid > 2) {
1271 ret = _FAIL;
1272 goto err_free_parm;
1273 }
1274 keylen = 16;
1275 memcpy(psetkeyparm->key,
1276 &psecuritypriv->XGrpKey[keyid - 1], keylen);
1277 psetkeyparm->grpkey = 1;
1278 break;
1279 case _AES_:
1280 if (keyid < 1 || keyid > 2) {
1281 ret = _FAIL;
1282 goto err_free_parm;
1283 }
1284 keylen = 16;
1285 memcpy(psetkeyparm->key,
1286 &psecuritypriv->XGrpKey[keyid - 1], keylen);
1287 psetkeyparm->grpkey = 1;
1288 break;
1289 default:
1290 ret = _FAIL;
1291 goto err_free_parm;
1292 }
1293 pcmd->cmdcode = _SetKey_CMD_;
1294 pcmd->parmbuf = (u8 *)psetkeyparm;
1295 pcmd->cmdsz = (sizeof(struct setkey_parm));
1296 pcmd->rsp = NULL;
1297 pcmd->rspsz = 0;
1298 INIT_LIST_HEAD(&pcmd->list);
1299 r8712_enqueue_cmd(pcmdpriv, pcmd);
1300 return ret;
1301
1302 err_free_parm:
1303 kfree(psetkeyparm);
1304 err_free_cmd:
1305 kfree(pcmd);
1306 return ret;
1307 }
1308
1309 /* adjust IEs for r8712_joinbss_cmd in WMM */
r8712_restruct_wmm_ie(struct _adapter * adapter,u8 * in_ie,u8 * out_ie,uint in_len,uint initial_out_len)1310 int r8712_restruct_wmm_ie(struct _adapter *adapter, u8 *in_ie, u8 *out_ie,
1311 uint in_len, uint initial_out_len)
1312 {
1313 unsigned int ielength = 0;
1314 unsigned int i, j;
1315
1316 i = 12; /* after the fixed IE */
1317 while (i < in_len) {
1318 ielength = initial_out_len;
1319 if (in_ie[i] == 0xDD && in_ie[i + 2] == 0x00 &&
1320 in_ie[i + 3] == 0x50 && in_ie[i + 4] == 0xF2 &&
1321 in_ie[i + 5] == 0x02 && i + 5 < in_len) {
1322 /*WMM element ID and OUI*/
1323 for (j = i; j < i + 9; j++) {
1324 out_ie[ielength] = in_ie[j];
1325 ielength++;
1326 }
1327 out_ie[initial_out_len + 1] = 0x07;
1328 out_ie[initial_out_len + 6] = 0x00;
1329 out_ie[initial_out_len + 8] = 0x00;
1330 break;
1331 }
1332 i += (in_ie[i + 1] + 2); /* to the next IE element */
1333 }
1334 return ielength;
1335 }
1336
1337 /*
1338 * Ported from 8185: IsInPreAuthKeyList().
1339 *
1340 * Search by BSSID,
1341 * Return Value:
1342 * -1 :if there is no pre-auth key in the table
1343 * >=0 :if there is pre-auth key, and return the entry id
1344 */
SecIsInPMKIDList(struct _adapter * Adapter,u8 * bssid)1345 static int SecIsInPMKIDList(struct _adapter *Adapter, u8 *bssid)
1346 {
1347 struct security_priv *psecuritypriv = &Adapter->securitypriv;
1348 int i = 0;
1349
1350 do {
1351 if (psecuritypriv->PMKIDList[i].bUsed &&
1352 (!memcmp(psecuritypriv->PMKIDList[i].Bssid,
1353 bssid, ETH_ALEN)))
1354 break;
1355 else
1356 i++;
1357 } while (i < NUM_PMKID_CACHE);
1358
1359 if (i == NUM_PMKID_CACHE) {
1360 i = -1; /* Could not find. */
1361 } else {
1362 ; /* There is one Pre-Authentication Key for the
1363 * specific BSSID. */
1364 }
1365 return i;
1366 }
1367
r8712_restruct_sec_ie(struct _adapter * adapter,u8 * in_ie,u8 * out_ie,uint in_len)1368 sint r8712_restruct_sec_ie(struct _adapter *adapter, u8 *in_ie,
1369 u8 *out_ie, uint in_len)
1370 {
1371 u8 authmode = 0, match;
1372 u8 sec_ie[255], uncst_oui[4], bkup_ie[255];
1373 u8 wpa_oui[4] = {0x0, 0x50, 0xf2, 0x01};
1374 uint ielength, cnt, remove_cnt;
1375 int iEntry;
1376 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1377 struct security_priv *psecuritypriv = &adapter->securitypriv;
1378 uint ndisauthmode = psecuritypriv->ndisauthtype;
1379 uint ndissecuritytype = psecuritypriv->ndisencryptstatus;
1380
1381 if ((ndisauthmode == Ndis802_11AuthModeWPA) ||
1382 (ndisauthmode == Ndis802_11AuthModeWPAPSK)) {
1383 authmode = _WPA_IE_ID_;
1384 uncst_oui[0] = 0x0;
1385 uncst_oui[1] = 0x50;
1386 uncst_oui[2] = 0xf2;
1387 }
1388 if ((ndisauthmode == Ndis802_11AuthModeWPA2) ||
1389 (ndisauthmode == Ndis802_11AuthModeWPA2PSK)) {
1390 authmode = _WPA2_IE_ID_;
1391 uncst_oui[0] = 0x0;
1392 uncst_oui[1] = 0x0f;
1393 uncst_oui[2] = 0xac;
1394 }
1395 switch (ndissecuritytype) {
1396 case Ndis802_11Encryption1Enabled:
1397 case Ndis802_11Encryption1KeyAbsent:
1398 uncst_oui[3] = 0x1;
1399 break;
1400 case Ndis802_11Encryption2Enabled:
1401 case Ndis802_11Encryption2KeyAbsent:
1402 uncst_oui[3] = 0x2;
1403 break;
1404 case Ndis802_11Encryption3Enabled:
1405 case Ndis802_11Encryption3KeyAbsent:
1406 uncst_oui[3] = 0x4;
1407 break;
1408 default:
1409 break;
1410 }
1411 /*Search required WPA or WPA2 IE and copy to sec_ie[] */
1412 cnt = 12;
1413 match = false;
1414 while (cnt < in_len) {
1415 if (in_ie[cnt] == authmode) {
1416 if ((authmode == _WPA_IE_ID_) &&
1417 (!memcmp(&in_ie[cnt + 2], &wpa_oui[0], 4))) {
1418 memcpy(&sec_ie[0], &in_ie[cnt],
1419 in_ie[cnt + 1] + 2);
1420 match = true;
1421 break;
1422 }
1423 if (authmode == _WPA2_IE_ID_) {
1424 memcpy(&sec_ie[0], &in_ie[cnt],
1425 in_ie[cnt + 1] + 2);
1426 match = true;
1427 break;
1428 }
1429 if (((authmode == _WPA_IE_ID_) &&
1430 (!memcmp(&in_ie[cnt + 2], &wpa_oui[0], 4))) ||
1431 (authmode == _WPA2_IE_ID_))
1432 memcpy(&bkup_ie[0], &in_ie[cnt],
1433 in_ie[cnt + 1] + 2);
1434 }
1435 cnt += in_ie[cnt + 1] + 2; /*get next*/
1436 }
1437 /*restruct WPA IE or WPA2 IE in sec_ie[] */
1438 if (match) {
1439 if (sec_ie[0] == _WPA_IE_ID_) {
1440 /* parsing SSN IE to select required encryption
1441 * algorithm, and set the bc/mc encryption algorithm */
1442 while (true) {
1443 /*check wpa_oui tag*/
1444 if (memcmp(&sec_ie[2], &wpa_oui[0], 4)) {
1445 match = false;
1446 break;
1447 }
1448 if ((sec_ie[6] != 0x01) || (sec_ie[7] != 0x0)) {
1449 /*IE Ver error*/
1450 match = false;
1451 break;
1452 }
1453 if (!memcmp(&sec_ie[8], &wpa_oui[0], 3)) {
1454 /* get bc/mc encryption type (group
1455 * key type)*/
1456 switch (sec_ie[11]) {
1457 case 0x0: /*none*/
1458 psecuritypriv->XGrpPrivacy =
1459 _NO_PRIVACY_;
1460 break;
1461 case 0x1: /*WEP_40*/
1462 psecuritypriv->XGrpPrivacy =
1463 _WEP40_;
1464 break;
1465 case 0x2: /*TKIP*/
1466 psecuritypriv->XGrpPrivacy =
1467 _TKIP_;
1468 break;
1469 case 0x3: /*AESCCMP*/
1470 case 0x4:
1471 psecuritypriv->XGrpPrivacy =
1472 _AES_;
1473 break;
1474 case 0x5: /*WEP_104*/
1475 psecuritypriv->XGrpPrivacy =
1476 _WEP104_;
1477 break;
1478 }
1479 } else {
1480 match = false;
1481 break;
1482 }
1483 if (sec_ie[12] == 0x01) {
1484 /*check the unicast encryption type*/
1485 if (memcmp(&sec_ie[14],
1486 &uncst_oui[0], 4)) {
1487 match = false;
1488 break;
1489
1490 } /*else the uncst_oui is match*/
1491 } else { /*mixed mode, unicast_enc_type > 1*/
1492 /*select the uncst_oui and remove
1493 * the other uncst_oui*/
1494 cnt = sec_ie[12];
1495 remove_cnt = (cnt - 1) * 4;
1496 sec_ie[12] = 0x01;
1497 memcpy(&sec_ie[14], &uncst_oui[0], 4);
1498 /*remove the other unicast suit*/
1499 memcpy(&sec_ie[18],
1500 &sec_ie[18 + remove_cnt],
1501 sec_ie[1] - 18 + 2 -
1502 remove_cnt);
1503 sec_ie[1] = sec_ie[1] - remove_cnt;
1504 }
1505 break;
1506 }
1507 }
1508 if (authmode == _WPA2_IE_ID_) {
1509 /* parsing RSN IE to select required encryption
1510 * algorithm, and set the bc/mc encryption algorithm */
1511 while (true) {
1512 if ((sec_ie[2] != 0x01) || (sec_ie[3] != 0x0)) {
1513 /*IE Ver error*/
1514 match = false;
1515 break;
1516 }
1517 if (!memcmp(&sec_ie[4], &uncst_oui[0], 3)) {
1518 /*get bc/mc encryption type*/
1519 switch (sec_ie[7]) {
1520 case 0x1: /*WEP_40*/
1521 psecuritypriv->XGrpPrivacy =
1522 _WEP40_;
1523 break;
1524 case 0x2: /*TKIP*/
1525 psecuritypriv->XGrpPrivacy =
1526 _TKIP_;
1527 break;
1528 case 0x4: /*AESWRAP*/
1529 psecuritypriv->XGrpPrivacy =
1530 _AES_;
1531 break;
1532 case 0x5: /*WEP_104*/
1533 psecuritypriv->XGrpPrivacy =
1534 _WEP104_;
1535 break;
1536 default: /*one*/
1537 psecuritypriv->XGrpPrivacy =
1538 _NO_PRIVACY_;
1539 break;
1540 }
1541 } else {
1542 match = false;
1543 break;
1544 }
1545 if (sec_ie[8] == 0x01) {
1546 /*check the unicast encryption type*/
1547 if (memcmp(&sec_ie[10],
1548 &uncst_oui[0], 4)) {
1549 match = false;
1550 break;
1551 } /*else the uncst_oui is match*/
1552 } else { /*mixed mode, unicast_enc_type > 1*/
1553 /*select the uncst_oui and remove the
1554 * other uncst_oui*/
1555 cnt = sec_ie[8];
1556 remove_cnt = (cnt - 1) * 4;
1557 sec_ie[8] = 0x01;
1558 memcpy(&sec_ie[10], &uncst_oui[0], 4);
1559 /*remove the other unicast suit*/
1560 memcpy(&sec_ie[14],
1561 &sec_ie[14 + remove_cnt],
1562 (sec_ie[1] - 14 + 2 -
1563 remove_cnt));
1564 sec_ie[1] = sec_ie[1] - remove_cnt;
1565 }
1566 break;
1567 }
1568 }
1569 }
1570 if ((authmode == _WPA_IE_ID_) || (authmode == _WPA2_IE_ID_)) {
1571 /*copy fixed ie*/
1572 memcpy(out_ie, in_ie, 12);
1573 ielength = 12;
1574 /*copy RSN or SSN*/
1575 if (match) {
1576 memcpy(&out_ie[ielength], &sec_ie[0], sec_ie[1] + 2);
1577 ielength += sec_ie[1] + 2;
1578 if (authmode == _WPA2_IE_ID_) {
1579 /*the Pre-Authentication bit should be zero*/
1580 out_ie[ielength - 1] = 0;
1581 out_ie[ielength - 2] = 0;
1582 }
1583 r8712_report_sec_ie(adapter, authmode, sec_ie);
1584 }
1585 } else {
1586 /*copy fixed ie only*/
1587 memcpy(out_ie, in_ie, 12);
1588 ielength = 12;
1589 if (psecuritypriv->wps_phase) {
1590 memcpy(out_ie + ielength, psecuritypriv->wps_ie,
1591 psecuritypriv->wps_ie_len);
1592 ielength += psecuritypriv->wps_ie_len;
1593 }
1594 }
1595 iEntry = SecIsInPMKIDList(adapter, pmlmepriv->assoc_bssid);
1596 if (iEntry < 0)
1597 return ielength;
1598 if (authmode == _WPA2_IE_ID_) {
1599 out_ie[ielength] = 1;
1600 ielength++;
1601 out_ie[ielength] = 0; /*PMKID count = 0x0100*/
1602 ielength++;
1603 memcpy(&out_ie[ielength],
1604 &psecuritypriv->PMKIDList[iEntry].PMKID, 16);
1605 ielength += 16;
1606 out_ie[13] += 18;/*PMKID length = 2+16*/
1607 }
1608 return ielength;
1609 }
1610
r8712_init_registrypriv_dev_network(struct _adapter * adapter)1611 void r8712_init_registrypriv_dev_network(struct _adapter *adapter)
1612 {
1613 struct registry_priv *pregistrypriv = &adapter->registrypriv;
1614 struct eeprom_priv *peepriv = &adapter->eeprompriv;
1615 struct wlan_bssid_ex *pdev_network = &pregistrypriv->dev_network;
1616 u8 *myhwaddr = myid(peepriv);
1617
1618 memcpy(pdev_network->MacAddress, myhwaddr, ETH_ALEN);
1619 memcpy(&pdev_network->Ssid, &pregistrypriv->ssid,
1620 sizeof(struct ndis_802_11_ssid));
1621 pdev_network->Configuration.Length =
1622 sizeof(struct NDIS_802_11_CONFIGURATION);
1623 pdev_network->Configuration.BeaconPeriod = 100;
1624 pdev_network->Configuration.FHConfig.Length = 0;
1625 pdev_network->Configuration.FHConfig.HopPattern = 0;
1626 pdev_network->Configuration.FHConfig.HopSet = 0;
1627 pdev_network->Configuration.FHConfig.DwellTime = 0;
1628 }
1629
r8712_update_registrypriv_dev_network(struct _adapter * adapter)1630 void r8712_update_registrypriv_dev_network(struct _adapter *adapter)
1631 {
1632 int sz = 0;
1633 struct registry_priv *pregistrypriv = &adapter->registrypriv;
1634 struct wlan_bssid_ex *pdev_network = &pregistrypriv->dev_network;
1635 struct security_priv *psecuritypriv = &adapter->securitypriv;
1636 struct wlan_network *cur_network = &adapter->mlmepriv.cur_network;
1637
1638 pdev_network->Privacy = cpu_to_le32(psecuritypriv->PrivacyAlgrthm
1639 > 0 ? 1 : 0); /* adhoc no 802.1x */
1640 pdev_network->Rssi = 0;
1641 switch (pregistrypriv->wireless_mode) {
1642 case WIRELESS_11B:
1643 pdev_network->NetworkTypeInUse = cpu_to_le32(Ndis802_11DS);
1644 break;
1645 case WIRELESS_11G:
1646 case WIRELESS_11BG:
1647 pdev_network->NetworkTypeInUse = cpu_to_le32(Ndis802_11OFDM24);
1648 break;
1649 case WIRELESS_11A:
1650 pdev_network->NetworkTypeInUse = cpu_to_le32(Ndis802_11OFDM5);
1651 break;
1652 default:
1653 /* TODO */
1654 break;
1655 }
1656 pdev_network->Configuration.DSConfig = cpu_to_le32(
1657 pregistrypriv->channel);
1658 if (cur_network->network.InfrastructureMode == Ndis802_11IBSS)
1659 pdev_network->Configuration.ATIMWindow = cpu_to_le32(3);
1660 pdev_network->InfrastructureMode = cpu_to_le32(
1661 cur_network->network.InfrastructureMode);
1662 /* 1. Supported rates
1663 * 2. IE
1664 */
1665 sz = r8712_generate_ie(pregistrypriv);
1666 pdev_network->IELength = sz;
1667 pdev_network->Length = r8712_get_wlan_bssid_ex_sz(pdev_network);
1668 }
1669
1670 /*the function is at passive_level*/
r8712_joinbss_reset(struct _adapter * padapter)1671 void r8712_joinbss_reset(struct _adapter *padapter)
1672 {
1673 int i;
1674 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1675 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
1676
1677 /* todo: if you want to do something io/reg/hw setting before join_bss,
1678 * please add code here */
1679 phtpriv->ampdu_enable = false;/*reset to disabled*/
1680 for (i = 0; i < 16; i++)
1681 phtpriv->baddbareq_issued[i] = false;/*reset it*/
1682 if (phtpriv->ht_option) {
1683 /* validate usb rx aggregation */
1684 r8712_write8(padapter, 0x102500D9, 48);/*TH = 48 pages, 6k*/
1685 } else {
1686 /* invalidate usb rx aggregation */
1687 /* TH=1 => means that invalidate usb rx aggregation */
1688 r8712_write8(padapter, 0x102500D9, 1);
1689 }
1690 }
1691
1692 /*the function is >= passive_level*/
r8712_restructure_ht_ie(struct _adapter * padapter,u8 * in_ie,u8 * out_ie,uint in_len,uint * pout_len)1693 unsigned int r8712_restructure_ht_ie(struct _adapter *padapter, u8 *in_ie,
1694 u8 *out_ie, uint in_len, uint *pout_len)
1695 {
1696 u32 ielen, out_len;
1697 unsigned char *p;
1698 struct ieee80211_ht_cap ht_capie;
1699 unsigned char WMM_IE[] = {0x00, 0x50, 0xf2, 0x02, 0x00, 0x01, 0x00};
1700 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1701 struct qos_priv *pqospriv = &pmlmepriv->qospriv;
1702 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
1703
1704 phtpriv->ht_option = 0;
1705 p = r8712_get_ie(in_ie + 12, _HT_CAPABILITY_IE_, &ielen, in_len - 12);
1706 if (p && (ielen > 0)) {
1707 if (pqospriv->qos_option == 0) {
1708 out_len = *pout_len;
1709 r8712_set_ie(out_ie + out_len, _VENDOR_SPECIFIC_IE_,
1710 _WMM_IE_Length_, WMM_IE, pout_len);
1711 pqospriv->qos_option = 1;
1712 }
1713 out_len = *pout_len;
1714 memset(&ht_capie, 0, sizeof(struct ieee80211_ht_cap));
1715 ht_capie.cap_info = IEEE80211_HT_CAP_SUP_WIDTH |
1716 IEEE80211_HT_CAP_SGI_20 |
1717 IEEE80211_HT_CAP_SGI_40 |
1718 IEEE80211_HT_CAP_TX_STBC |
1719 IEEE80211_HT_CAP_MAX_AMSDU |
1720 IEEE80211_HT_CAP_DSSSCCK40;
1721 ht_capie.ampdu_params_info = (IEEE80211_HT_CAP_AMPDU_FACTOR &
1722 0x03) | (IEEE80211_HT_CAP_AMPDU_DENSITY & 0x00);
1723 r8712_set_ie(out_ie + out_len, _HT_CAPABILITY_IE_,
1724 sizeof(struct ieee80211_ht_cap),
1725 (unsigned char *)&ht_capie, pout_len);
1726 phtpriv->ht_option = 1;
1727 }
1728 return phtpriv->ht_option;
1729 }
1730
1731 /* the function is > passive_level (in critical_section) */
update_ht_cap(struct _adapter * padapter,u8 * pie,uint ie_len)1732 static void update_ht_cap(struct _adapter *padapter, u8 *pie, uint ie_len)
1733 {
1734 u8 *p, max_ampdu_sz;
1735 int i, len;
1736 struct sta_info *bmc_sta, *psta;
1737 struct ieee80211_ht_cap *pht_capie;
1738 struct recv_reorder_ctrl *preorder_ctrl;
1739 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1740 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
1741 struct registry_priv *pregistrypriv = &padapter->registrypriv;
1742 struct wlan_network *pcur_network = &(pmlmepriv->cur_network);
1743
1744 if (!phtpriv->ht_option)
1745 return;
1746 /* maybe needs check if ap supports rx ampdu. */
1747 if (!phtpriv->ampdu_enable &&
1748 (pregistrypriv->ampdu_enable == 1))
1749 phtpriv->ampdu_enable = true;
1750 /*check Max Rx A-MPDU Size*/
1751 len = 0;
1752 p = r8712_get_ie(pie + sizeof(struct NDIS_802_11_FIXED_IEs),
1753 _HT_CAPABILITY_IE_,
1754 &len, ie_len -
1755 sizeof(struct NDIS_802_11_FIXED_IEs));
1756 if (p && len > 0) {
1757 pht_capie = (struct ieee80211_ht_cap *)(p + 2);
1758 max_ampdu_sz = (pht_capie->ampdu_params_info &
1759 IEEE80211_HT_CAP_AMPDU_FACTOR);
1760 /* max_ampdu_sz (kbytes); */
1761 max_ampdu_sz = 1 << (max_ampdu_sz + 3);
1762 phtpriv->rx_ampdu_maxlen = max_ampdu_sz;
1763 }
1764 /* for A-MPDU Rx reordering buffer control for bmc_sta & sta_info
1765 * if A-MPDU Rx is enabled, resetting rx_ordering_ctrl
1766 * wstart_b(indicate_seq) to default value=0xffff
1767 * todo: check if AP can send A-MPDU packets
1768 */
1769 bmc_sta = r8712_get_bcmc_stainfo(padapter);
1770 if (bmc_sta) {
1771 for (i = 0; i < 16; i++) {
1772 preorder_ctrl = &bmc_sta->recvreorder_ctrl[i];
1773 preorder_ctrl->indicate_seq = 0xffff;
1774 preorder_ctrl->wend_b = 0xffff;
1775 }
1776 }
1777 psta = r8712_get_stainfo(&padapter->stapriv,
1778 pcur_network->network.MacAddress);
1779 if (psta) {
1780 for (i = 0; i < 16; i++) {
1781 preorder_ctrl = &psta->recvreorder_ctrl[i];
1782 preorder_ctrl->indicate_seq = 0xffff;
1783 preorder_ctrl->wend_b = 0xffff;
1784 }
1785 }
1786 len = 0;
1787 p = r8712_get_ie(pie + sizeof(struct NDIS_802_11_FIXED_IEs),
1788 _HT_ADD_INFO_IE_, &len,
1789 ie_len - sizeof(struct NDIS_802_11_FIXED_IEs));
1790 }
1791
r8712_issue_addbareq_cmd(struct _adapter * padapter,int priority)1792 void r8712_issue_addbareq_cmd(struct _adapter *padapter, int priority)
1793 {
1794 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1795 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
1796
1797 if ((phtpriv->ht_option == 1) && (phtpriv->ampdu_enable)) {
1798 if (!phtpriv->baddbareq_issued[priority]) {
1799 r8712_addbareq_cmd(padapter, (u8)priority);
1800 phtpriv->baddbareq_issued[priority] = true;
1801 }
1802 }
1803 }
1804