1 /******************************************************************************
4 * Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
5 * Linux device driver for RTL8192SU
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.
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
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
20 * Modifications for inclusion into the Linux staging tree are
21 * Copyright(c) 2010 Larry Finger. All rights reserved.
23 * Contact information:
24 * WLAN FAE <wlanfae@realtek.com>
25 * Larry Finger <Larry.Finger@lwfinger.net>
27 ******************************************************************************/
29 #define _RTL871X_MLME_C_
31 #include <linux/etherdevice.h>
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"
40 #include "wlan_bssdef.h"
42 static void update_ht_cap(struct _adapter
*padapter
, u8
*pie
, uint ie_len
);
44 static sint
_init_mlme_priv(struct _adapter
*padapter
)
48 struct wlan_network
*pnetwork
;
49 struct mlme_priv
*pmlmepriv
= &padapter
->mlmepriv
;
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
)),
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
));
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
);
85 struct wlan_network
*_r8712_alloc_network(struct mlme_priv
*pmlmepriv
)
88 struct wlan_network
*pnetwork
;
89 struct __queue
*free_queue
= &pmlmepriv
->free_bss_pool
;
90 struct list_head
*plist
= NULL
;
92 if (list_empty(&free_queue
->queue
))
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
);
104 static void _free_network(struct mlme_priv
*pmlmepriv
,
105 struct wlan_network
*pnetwork
)
107 u32 curr_time
, delta_time
;
109 struct __queue
*free_queue
= &(pmlmepriv
->free_bss_pool
);
111 if (pnetwork
== NULL
)
113 if (pnetwork
->fixed
== true)
116 delta_time
= (curr_time
- (u32
)pnetwork
->last_scanned
) / HZ
;
117 if (delta_time
< SCANQUEUE_LIFETIME
)
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
);
126 static void _free_network_nolock(struct mlme_priv
*pmlmepriv
,
127 struct wlan_network
*pnetwork
)
129 struct __queue
*free_queue
= &pmlmepriv
->free_bss_pool
;
131 if (pnetwork
== NULL
)
133 if (pnetwork
->fixed
== true)
135 list_del_init(&pnetwork
->list
);
136 list_add_tail(&pnetwork
->list
, &free_queue
->queue
);
137 pmlmepriv
->num_of_scanned
--;
142 return the wlan_network with the matching addr
143 Shall be called under atomic context...
144 to avoid possible racing condition...
146 static struct wlan_network
*_r8712_find_network(struct __queue
*scanned_queue
,
150 struct list_head
*phead
, *plist
;
151 struct wlan_network
*pnetwork
= NULL
;
153 if (is_zero_ether_addr(addr
))
155 spin_lock_irqsave(&scanned_queue
->lock
, irqL
);
156 phead
= &scanned_queue
->queue
;
158 while (plist
!= phead
) {
159 pnetwork
= LIST_CONTAINOR(plist
, struct wlan_network
, list
);
161 if (!memcmp(addr
, pnetwork
->network
.MacAddress
, ETH_ALEN
))
164 spin_unlock_irqrestore(&scanned_queue
->lock
, irqL
);
168 static void _free_network_queue(struct _adapter
*padapter
)
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
;
176 spin_lock_irqsave(&scanned_queue
->lock
, irqL
);
177 phead
= &scanned_queue
->queue
;
179 while (end_of_queue_search(phead
, plist
) == false) {
180 pnetwork
= LIST_CONTAINOR(plist
, struct wlan_network
, list
);
182 _free_network(pmlmepriv
, pnetwork
);
184 spin_unlock_irqrestore(&scanned_queue
->lock
, irqL
);
187 sint
r8712_if_up(struct _adapter
*padapter
)
191 if (padapter
->bDriverStopped
|| padapter
->bSurpriseRemoved
||
192 (check_fwstate(&padapter
->mlmepriv
, _FW_LINKED
) == false)) {
199 void r8712_generate_random_ibss(u8
*pibss
)
201 u32 curtime
= jiffies
;
203 pibss
[0] = 0x02; /*in ad-hoc mode bit1 must set to 1 */
206 pibss
[3] = (u8
)(curtime
& 0xff);
207 pibss
[4] = (u8
)((curtime
>>8) & 0xff);
208 pibss
[5] = (u8
)((curtime
>>16) & 0xff);
211 uint
r8712_get_ndis_wlan_bssid_ex_sz(struct ndis_wlan_bssid_ex
*bss
)
215 t_len
= sizeof(u32
) + 6 * sizeof(unsigned long) + 2 +
216 sizeof(struct ndis_802_11_ssid
) + sizeof(u32
) +
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
;
226 u8
*r8712_get_capability_from_ie(u8
*ie
)
231 int r8712_init_mlme_priv(struct _adapter
*padapter
)
233 return _init_mlme_priv(padapter
);
236 void r8712_free_mlme_priv(struct mlme_priv
*pmlmepriv
)
238 kfree(pmlmepriv
->free_bss_buf
);
241 static struct wlan_network
*alloc_network(struct mlme_priv
*pmlmepriv
)
243 return _r8712_alloc_network(pmlmepriv
);
246 static void free_network_nolock(struct mlme_priv
*pmlmepriv
,
247 struct wlan_network
*pnetwork
)
249 _free_network_nolock(pmlmepriv
, pnetwork
);
252 void r8712_free_network_queue(struct _adapter
*dev
)
254 _free_network_queue(dev
);
258 return the wlan_network with the matching addr
260 Shall be called under atomic context...
261 to avoid possible racing condition...
263 static struct wlan_network
*r8712_find_network(struct __queue
*scanned_queue
,
266 struct wlan_network
*pnetwork
= _r8712_find_network(scanned_queue
,
272 int r8712_is_same_ibss(struct _adapter
*adapter
, struct wlan_network
*pnetwork
)
275 struct security_priv
*psecuritypriv
= &adapter
->securitypriv
;
277 if ((psecuritypriv
->PrivacyAlgrthm
!= _NO_PRIVACY_
) &&
278 (pnetwork
->network
.Privacy
== 0))
280 else if ((psecuritypriv
->PrivacyAlgrthm
== _NO_PRIVACY_
) &&
281 (pnetwork
->network
.Privacy
== 1))
289 static int is_same_network(struct ndis_wlan_bssid_ex
*src
,
290 struct ndis_wlan_bssid_ex
*dst
)
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
,
301 ((!memcmp(src
->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
));
311 struct wlan_network
*r8712_get_oldest_wlan_network(
312 struct __queue
*scanned_queue
)
314 struct list_head
*plist
, *phead
;
315 struct wlan_network
*pwlan
= NULL
;
316 struct wlan_network
*oldest
= NULL
;
318 phead
= &scanned_queue
->queue
;
321 if (end_of_queue_search(phead
, plist
) == true)
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
))
335 static void update_network(struct ndis_wlan_bssid_ex
*dst
,
336 struct ndis_wlan_bssid_ex
*src
,
337 struct _adapter
*padapter
)
339 u32 last_evm
= 0, tmpVal
;
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
-=
353 padapter
->recvpriv
.signal_qual_data
.total_val
+= src
->Rssi
;
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
;
366 src
->Rssi
= padapter
->recvpriv
.signal
;
368 src
->Rssi
= (src
->Rssi
+ dst
->Rssi
) / 2;
369 memcpy((u8
*)dst
, (u8
*)src
, r8712_get_ndis_wlan_bssid_ex_sz(src
));
372 static void update_current_network(struct _adapter
*adapter
,
373 struct ndis_wlan_bssid_ex
*pnetwork
)
375 struct mlme_priv
*pmlmepriv
= &adapter
->mlmepriv
;
377 if (is_same_network(&(pmlmepriv
->cur_network
.network
), pnetwork
)) {
378 update_network(&(pmlmepriv
->cur_network
.network
),
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
);
388 Caller must hold pmlmepriv->lock first.
390 static void update_scanned_network(struct _adapter
*adapter
,
391 struct ndis_wlan_bssid_ex
*target
)
393 struct list_head
*plist
, *phead
;
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
;
401 phead
= &queue
->queue
;
405 if (end_of_queue_search(phead
, plist
) == true)
408 pnetwork
= LIST_CONTAINOR(plist
, struct wlan_network
, list
);
409 if (is_same_network(&pnetwork
->network
, target
))
411 if ((oldest
== ((struct wlan_network
*)0)) ||
412 time_after((unsigned long)oldest
->last_scanned
,
413 (unsigned long)pnetwork
->last_scanned
))
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 */
426 target
->Rssi
= (pnetwork
->network
.Rssi
+
428 memcpy(&pnetwork
->network
, target
,
429 r8712_get_ndis_wlan_bssid_ex_sz(target
));
430 pnetwork
->last_scanned
= jiffies
;
432 /* Otherwise just pull from the free list */
433 /* update scan_time */
434 pnetwork
= alloc_network(pmlmepriv
);
435 if (pnetwork
== NULL
)
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
);
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
448 update_network(&pnetwork
->network
, target
, adapter
);
449 pnetwork
->last_scanned
= jiffies
;
453 static void rtl8711_add_network(struct _adapter
*adapter
,
454 struct ndis_wlan_bssid_ex
*pnetwork
)
457 struct mlme_priv
*pmlmepriv
= &(((struct _adapter
*)adapter
)->mlmepriv
);
458 struct __queue
*queue
= &pmlmepriv
->scanned_queue
;
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
);
466 /*select the desired network based on the capability of the (i)bss.
467 * check items: (1) security
473 static int is_desired_network(struct _adapter
*adapter
,
474 struct wlan_network
*pnetwork
)
478 int bselected
= true;
479 struct security_priv
*psecuritypriv
= &adapter
->securitypriv
;
481 if (psecuritypriv
->wps_phase
== true) {
482 if (r8712_get_wps_ie(pnetwork
->network
.IEs
,
483 pnetwork
->network
.IELength
, wps_ie
,
489 if ((psecuritypriv
->PrivacyAlgrthm
!= _NO_PRIVACY_
) &&
490 (pnetwork
->network
.Privacy
== 0))
492 if (check_fwstate(&adapter
->mlmepriv
, WIFI_ADHOC_STATE
) == true) {
493 if (pnetwork
->network
.InfrastructureMode
!=
494 adapter
->mlmepriv
.cur_network
.network
.
501 /* TODO: Perry : For Power Management */
502 void r8712_atimdone_event_callback(struct _adapter
*adapter
, u8
*pbuf
)
506 void r8712_survey_event_callback(struct _adapter
*adapter
, u8
*pbuf
)
510 struct ndis_wlan_bssid_ex
*pnetwork
;
511 struct mlme_priv
*pmlmepriv
= &adapter
->mlmepriv
;
513 pnetwork
= (struct ndis_wlan_bssid_ex
*)pbuf
;
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
);
541 len
= r8712_get_ndis_wlan_bssid_ex_sz(pnetwork
);
542 if (len
> sizeof(struct wlan_bssid_ex
))
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
;
551 memcpy(pmlmepriv
->cur_network
.network
.IEs
,
553 ibss_wlan
= r8712_find_network(
554 &pmlmepriv
->scanned_queue
,
555 pnetwork
->MacAddress
);
557 memcpy(ibss_wlan
->network
.IEs
,
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
);
568 pnetwork
->Ssid
.SsidLength
= 8;
569 memcpy(pnetwork
->Ssid
.Ssid
, "<hidden>", 8);
570 rtl8711_add_network(adapter
, pnetwork
);
574 spin_unlock_irqrestore(&pmlmepriv
->lock2
, flags
);
577 void r8712_surveydone_event_callback(struct _adapter
*adapter
, u8
*pbuf
)
580 struct mlme_priv
*pmlmepriv
= &adapter
->mlmepriv
;
582 spin_lock_irqsave(&pmlmepriv
->lock
, irqL
);
584 if (check_fwstate(pmlmepriv
, _FW_UNDER_SURVEY
) == true) {
585 del_timer_sync(&pmlmepriv
->scan_to_timer
);
587 _clr_fwstate_(pmlmepriv
, _FW_UNDER_SURVEY
);
590 if (pmlmepriv
->to_join
== true) {
591 if (check_fwstate(pmlmepriv
, WIFI_ADHOC_STATE
) == true) {
592 if (check_fwstate(pmlmepriv
, _FW_LINKED
) == false) {
593 set_fwstate(pmlmepriv
, _FW_UNDER_LINKING
);
595 if (r8712_select_and_join_from_scan(pmlmepriv
)
597 mod_timer(&pmlmepriv
->assoc_timer
, jiffies
+
598 msecs_to_jiffies(MAX_JOIN_TIMEOUT
));
600 struct wlan_bssid_ex
*pdev_network
=
601 &(adapter
->registrypriv
.dev_network
);
603 adapter
->registrypriv
.
604 dev_network
.MacAddress
;
605 pmlmepriv
->fw_state
^= _FW_UNDER_SURVEY
;
606 memcpy(&pdev_network
->Ssid
,
607 &pmlmepriv
->assoc_ssid
,
610 r8712_update_registrypriv_dev_network
612 r8712_generate_random_ibss(pibss
);
613 pmlmepriv
->fw_state
=
614 WIFI_ADHOC_MASTER_STATE
;
615 pmlmepriv
->to_join
= false;
619 pmlmepriv
->to_join
= false;
620 set_fwstate(pmlmepriv
, _FW_UNDER_LINKING
);
621 if (r8712_select_and_join_from_scan(pmlmepriv
) ==
623 mod_timer(&pmlmepriv
->assoc_timer
, jiffies
+
624 msecs_to_jiffies(MAX_JOIN_TIMEOUT
));
626 _clr_fwstate_(pmlmepriv
, _FW_UNDER_LINKING
);
629 spin_unlock_irqrestore(&pmlmepriv
->lock
, irqL
);
633 *r8712_free_assoc_resources: the caller has to lock pmlmepriv->lock
635 void r8712_free_assoc_resources(struct _adapter
*adapter
)
638 struct wlan_network
*pwlan
= NULL
;
639 struct mlme_priv
*pmlmepriv
= &adapter
->mlmepriv
;
640 struct sta_priv
*pstapriv
= &adapter
->stapriv
;
641 struct wlan_network
*tgt_network
= &pmlmepriv
->cur_network
;
643 pwlan
= r8712_find_network(&pmlmepriv
->scanned_queue
,
644 tgt_network
->network
.MacAddress
);
646 if (check_fwstate(pmlmepriv
, WIFI_STATION_STATE
|WIFI_AP_STATE
)) {
647 struct sta_info
*psta
;
649 psta
= r8712_get_stainfo(&adapter
->stapriv
,
650 tgt_network
->network
.MacAddress
);
652 spin_lock_irqsave(&pstapriv
->sta_hash_lock
, irqL
);
653 r8712_free_stainfo(adapter
, psta
);
654 spin_unlock_irqrestore(&pstapriv
->sta_hash_lock
, irqL
);
657 if (check_fwstate(pmlmepriv
,
658 WIFI_ADHOC_STATE
|WIFI_ADHOC_MASTER_STATE
|WIFI_AP_STATE
))
659 r8712_free_all_stainfo(adapter
);
661 pwlan
->fixed
= false;
663 if (((check_fwstate(pmlmepriv
, WIFI_ADHOC_MASTER_STATE
)) &&
664 (adapter
->stapriv
.asoc_sta_count
== 1)))
665 free_network_nolock(pmlmepriv
, pwlan
);
669 *r8712_indicate_connect: the caller has to lock pmlmepriv->lock
671 void r8712_indicate_connect(struct _adapter
*padapter
)
673 struct mlme_priv
*pmlmepriv
= &padapter
->mlmepriv
;
675 pmlmepriv
->to_join
= false;
676 set_fwstate(pmlmepriv
, _FW_LINKED
);
677 padapter
->ledpriv
.LedControlHandler(padapter
, LED_CTL_LINK
);
678 r8712_os_indicate_connect(padapter
);
679 if (padapter
->registrypriv
.power_mgnt
> PS_MODE_ACTIVE
)
680 mod_timer(&pmlmepriv
->dhcp_timer
,
681 jiffies
+ msecs_to_jiffies(60000));
686 *r8712_ind_disconnect: the caller has to lock pmlmepriv->lock
688 void r8712_ind_disconnect(struct _adapter
*padapter
)
690 struct mlme_priv
*pmlmepriv
= &padapter
->mlmepriv
;
692 if (check_fwstate(pmlmepriv
, _FW_LINKED
) == true) {
693 _clr_fwstate_(pmlmepriv
, _FW_LINKED
);
694 padapter
->ledpriv
.LedControlHandler(padapter
, LED_CTL_NO_LINK
);
695 r8712_os_indicate_disconnect(padapter
);
697 if (padapter
->pwrctrlpriv
.pwr_mode
!=
698 padapter
->registrypriv
.power_mgnt
) {
699 del_timer_sync(&pmlmepriv
->dhcp_timer
);
700 r8712_set_ps_mode(padapter
, padapter
->registrypriv
.power_mgnt
,
701 padapter
->registrypriv
.smart_ps
);
706 *pnetwork : returns from r8712_joinbss_event_callback
707 *ptarget_wlan: found from scanned_queue
708 *if join_res > 0, for (fw_state==WIFI_STATION_STATE), we check if
709 * "ptarget_sta" & "ptarget_wlan" exist.
710 *if join_res > 0, for (fw_state==WIFI_ADHOC_STATE), we only check
711 * if "ptarget_wlan" exist.
712 *if join_res > 0, update "cur_network->network" from
713 * "pnetwork->network" if (ptarget_wlan !=NULL).
715 void r8712_joinbss_event_callback(struct _adapter
*adapter
, u8
*pbuf
)
717 unsigned long irqL
= 0, irqL2
;
718 struct sta_info
*ptarget_sta
= NULL
, *pcur_sta
= NULL
;
719 struct sta_priv
*pstapriv
= &adapter
->stapriv
;
720 struct mlme_priv
*pmlmepriv
= &adapter
->mlmepriv
;
721 struct wlan_network
*cur_network
= &pmlmepriv
->cur_network
;
722 struct wlan_network
*pcur_wlan
= NULL
, *ptarget_wlan
= NULL
;
723 unsigned int the_same_macaddr
= false;
724 struct wlan_network
*pnetwork
;
726 if (sizeof(struct list_head
) == 4 * sizeof(u32
)) {
727 pnetwork
= kmalloc(sizeof(struct wlan_network
), GFP_ATOMIC
);
730 memcpy((u8
*)pnetwork
+16, (u8
*)pbuf
+ 8,
731 sizeof(struct wlan_network
) - 16);
733 pnetwork
= (struct wlan_network
*)pbuf
;
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
.
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
);
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)
782 r8712_find_network(&pmlmepriv
->
784 cur_network
->network
.MacAddress
);
787 r8712_find_network(&pmlmepriv
->
789 cur_network
->network
.MacAddress
);
790 pcur_wlan
->fixed
= false;
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
);
801 r8712_find_network(&pmlmepriv
->
806 ptarget_wlan
->fixed
= true;
809 ptarget_wlan
= r8712_find_network(&pmlmepriv
->
811 pnetwork
->network
.MacAddress
);
813 ptarget_wlan
->fixed
= true;
816 if (ptarget_wlan
== NULL
) {
817 if (check_fwstate(pmlmepriv
,
819 pmlmepriv
->fw_state
^=
821 goto ignore_joinbss_callback
;
824 /*s2. find ptarget_sta & update ptarget_sta*/
825 if (check_fwstate(pmlmepriv
, WIFI_STATION_STATE
)) {
826 if (the_same_macaddr
== true) {
828 r8712_get_stainfo(pstapriv
,
829 pnetwork
->network
.MacAddress
);
830 if (ptarget_sta
== NULL
)
832 r8712_alloc_stainfo(pstapriv
,
833 pnetwork
->network
.MacAddress
);
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
.
844 adapter
->securitypriv
.
847 adapter
->securitypriv
.
850 adapter
->securitypriv
.
853 ptarget_sta
->ieee8021x_blocked
855 ptarget_sta
->XPrivacy
=
856 adapter
->securitypriv
.
858 memset((u8
*)&ptarget_sta
->
861 sizeof(union Keytype
));
862 memset((u8
*)&ptarget_sta
->
865 sizeof(union Keytype
));
866 memset((u8
*)&ptarget_sta
->
869 sizeof(union Keytype
));
870 memset((u8
*)&ptarget_sta
->
873 memset((u8
*)&ptarget_sta
->
878 if (check_fwstate(pmlmepriv
,
880 pmlmepriv
->fw_state
^=
882 goto ignore_joinbss_callback
;
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
;
896 pmlmepriv
->fw_state
= WIFI_ADHOC_STATE
;
899 pmlmepriv
->fw_state
= WIFI_NULL_STATE
;
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
);
910 if (check_fwstate(pmlmepriv
, WIFI_STATION_STATE
)
912 r8712_indicate_connect(adapter
);
913 del_timer_sync(&pmlmepriv
->assoc_timer
);
915 goto ignore_joinbss_callback
;
917 if (check_fwstate(pmlmepriv
, _FW_UNDER_LINKING
) == true) {
918 mod_timer(&pmlmepriv
->assoc_timer
,
919 jiffies
+ msecs_to_jiffies(1));
920 _clr_fwstate_(pmlmepriv
, _FW_UNDER_LINKING
);
923 ignore_joinbss_callback
:
924 spin_unlock_irqrestore(&pmlmepriv
->lock
, irqL
);
925 if (sizeof(struct list_head
) == 4 * sizeof(u32
))
929 void r8712_stassoc_event_callback(struct _adapter
*adapter
, u8
*pbuf
)
932 struct sta_info
*psta
;
933 struct mlme_priv
*pmlmepriv
= &(adapter
->mlmepriv
);
934 struct stassoc_event
*pstassoc
= (struct stassoc_event
*)pbuf
;
937 if (r8712_access_ctrl(&adapter
->acl_list
, pstassoc
->macaddr
) == false)
939 psta
= r8712_get_stainfo(&adapter
->stapriv
, pstassoc
->macaddr
);
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) */
947 psta
= r8712_alloc_stainfo(&adapter
->stapriv
, pstassoc
->macaddr
);
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; */
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
);
966 spin_unlock_irqrestore(&pmlmepriv
->lock
, irqL
);
969 void r8712_stadel_event_callback(struct _adapter
*adapter
, u8
*pbuf
)
971 unsigned long irqL
, irqL2
;
972 struct sta_info
*psta
;
973 struct wlan_network
*pwlan
= NULL
;
974 struct wlan_bssid_ex
*pdev_network
= 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
;
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
);
986 if (check_fwstate(pmlmepriv
, WIFI_ADHOC_MASTER_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
);
997 pwlan
->fixed
= false;
998 free_network_nolock(pmlmepriv
, pwlan
);
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
->
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
);
1017 spin_unlock_irqrestore(&pmlmepriv
->lock
, irqL2
);
1020 void r8712_cpwm_event_callback(struct _adapter
*adapter
, u8
*pbuf
)
1022 struct reportpwrstate_parm
*preportpwrstate
=
1023 (struct reportpwrstate_parm
*)pbuf
;
1025 preportpwrstate
->state
|= (u8
)(adapter
->pwrctrlpriv
.cpwm_tog
+ 0x80);
1026 r8712_cpwm_int_hdl(adapter
, preportpwrstate
);
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.
1038 void r8712_got_addbareq_event_callback(struct _adapter
*adapter
, u8
*pbuf
)
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
;
1046 psta
= r8712_get_stainfo(pstapriv
, pAddbareq_pram
->MacAddress
);
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.
1053 precvreorder_ctrl
->indicate_seq
= 0xffff;
1057 void r8712_wpspbc_event_callback(struct _adapter
*adapter
, u8
*pbuf
)
1059 if (adapter
->securitypriv
.wps_hw_pbc_pressed
== false)
1060 adapter
->securitypriv
.wps_hw_pbc_pressed
= true;
1063 void _r8712_sitesurvey_ctrl_handler(struct _adapter
*adapter
)
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
;
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;
1081 psitesurveyctrl
->traffic_busy
= false;
1084 void _r8712_join_timeout_handler(struct _adapter
*adapter
)
1087 struct mlme_priv
*pmlmepriv
= &adapter
->mlmepriv
;
1089 if (adapter
->bDriverStopped
|| adapter
->bSurpriseRemoved
)
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
);
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
);
1102 spin_unlock_irqrestore(&pmlmepriv
->lock
, irqL
);
1105 void r8712_scan_timeout_handler (struct _adapter
*adapter
)
1108 struct mlme_priv
*pmlmepriv
= &adapter
->mlmepriv
;
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
);
1116 void _r8712_dhcp_timeout_handler (struct _adapter
*adapter
)
1118 if (adapter
->bDriverStopped
|| adapter
->bSurpriseRemoved
)
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
);
1125 void _r8712_wdg_timeout_handler(struct _adapter
*adapter
)
1127 r8712_wdg_wk_cmd(adapter
);
1130 int r8712_select_and_join_from_scan(struct mlme_priv
*pmlmepriv
)
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
;
1139 adapter
= (struct _adapter
*)pmlmepriv
->nic_hdl
;
1140 queue
= &pmlmepriv
->scanned_queue
;
1141 phead
= &queue
->queue
;
1142 pmlmepriv
->pscanned
= phead
->next
;
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
;
1152 pnetwork
= LIST_CONTAINOR(pmlmepriv
->pscanned
,
1153 struct wlan_network
, list
);
1154 if (pnetwork
== NULL
)
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
,
1167 /*r8712_indicate_connect again*/
1168 r8712_indicate_connect(adapter
);
1171 r8712_disassoc_cmd(adapter
);
1172 r8712_ind_disconnect(adapter
);
1173 r8712_free_assoc_resources(adapter
);
1175 goto ask_for_joinbss
;
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
;
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
);
1199 goto ask_for_joinbss
;
1205 return r8712_joinbss_cmd(adapter
, pnetwork
);
1208 sint
r8712_set_auth(struct _adapter
*adapter
,
1209 struct security_priv
*psecuritypriv
)
1211 struct cmd_priv
*pcmdpriv
= &adapter
->cmdpriv
;
1212 struct cmd_obj
*pcmd
;
1213 struct setauth_parm
*psetauthparm
;
1215 pcmd
= kmalloc(sizeof(*pcmd
), GFP_ATOMIC
);
1219 psetauthparm
= kzalloc(sizeof(*psetauthparm
), GFP_ATOMIC
);
1220 if (psetauthparm
== NULL
) {
1224 psetauthparm
->mode
= (u8
)psecuritypriv
->AuthAlgrthm
;
1225 pcmd
->cmdcode
= _SetAuth_CMD_
;
1226 pcmd
->parmbuf
= (unsigned char *)psetauthparm
;
1227 pcmd
->cmdsz
= sizeof(struct setauth_parm
);
1230 INIT_LIST_HEAD(&pcmd
->list
);
1231 r8712_enqueue_cmd(pcmdpriv
, pcmd
);
1235 sint
r8712_set_key(struct _adapter
*adapter
,
1236 struct security_priv
*psecuritypriv
,
1239 struct cmd_priv
*pcmdpriv
= &adapter
->cmdpriv
;
1240 struct cmd_obj
*pcmd
;
1241 struct setkey_parm
*psetkeyparm
;
1243 sint ret
= _SUCCESS
;
1245 pcmd
= kmalloc(sizeof(*pcmd
), GFP_ATOMIC
);
1248 psetkeyparm
= kzalloc(sizeof(*psetkeyparm
), GFP_ATOMIC
);
1249 if (psetkeyparm
== NULL
) {
1253 if (psecuritypriv
->AuthAlgrthm
== 2) { /* 802.1X */
1254 psetkeyparm
->algorithm
=
1255 (u8
)psecuritypriv
->XGrpPrivacy
;
1257 psetkeyparm
->algorithm
=
1258 (u8
)psecuritypriv
->PrivacyAlgrthm
;
1260 psetkeyparm
->keyid
= (u8
)keyid
;
1262 switch (psetkeyparm
->algorithm
) {
1265 memcpy(psetkeyparm
->key
,
1266 psecuritypriv
->DefKey
[keyid
].skey
, keylen
);
1270 memcpy(psetkeyparm
->key
,
1271 psecuritypriv
->DefKey
[keyid
].skey
, keylen
);
1274 if (keyid
< 1 || keyid
> 2) {
1279 memcpy(psetkeyparm
->key
,
1280 &psecuritypriv
->XGrpKey
[keyid
- 1], keylen
);
1281 psetkeyparm
->grpkey
= 1;
1284 if (keyid
< 1 || keyid
> 2) {
1289 memcpy(psetkeyparm
->key
,
1290 &psecuritypriv
->XGrpKey
[keyid
- 1], keylen
);
1291 psetkeyparm
->grpkey
= 1;
1297 pcmd
->cmdcode
= _SetKey_CMD_
;
1298 pcmd
->parmbuf
= (u8
*)psetkeyparm
;
1299 pcmd
->cmdsz
= (sizeof(struct setkey_parm
));
1302 INIT_LIST_HEAD(&pcmd
->list
);
1303 r8712_enqueue_cmd(pcmdpriv
, pcmd
);
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
)
1317 unsigned int ielength
= 0;
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
];
1331 out_ie
[initial_out_len
+ 1] = 0x07;
1332 out_ie
[initial_out_len
+ 6] = 0x00;
1333 out_ie
[initial_out_len
+ 8] = 0x00;
1336 i
+= (in_ie
[i
+ 1] + 2); /* to the next IE element */
1342 * Ported from 8185: IsInPreAuthKeyList().
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
1349 static int SecIsInPMKIDList(struct _adapter
*Adapter
, u8
*bssid
)
1351 struct security_priv
*psecuritypriv
= &Adapter
->securitypriv
;
1355 if (psecuritypriv
->PMKIDList
[i
].bUsed
&&
1356 (!memcmp(psecuritypriv
->PMKIDList
[i
].Bssid
,
1361 } while (i
< NUM_PMKID_CACHE
);
1363 if (i
== NUM_PMKID_CACHE
) {
1364 i
= -1; /* Could not find. */
1366 ; /* There is one Pre-Authentication Key for the
1367 * specific BSSID. */
1372 sint
r8712_restruct_sec_ie(struct _adapter
*adapter
, u8
*in_ie
,
1373 u8
*out_ie
, uint in_len
)
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
;
1380 struct mlme_priv
*pmlmepriv
= &adapter
->mlmepriv
;
1381 struct security_priv
*psecuritypriv
= &adapter
->securitypriv
;
1382 uint ndisauthmode
= psecuritypriv
->ndisauthtype
;
1383 uint ndissecuritytype
= psecuritypriv
->ndisencryptstatus
;
1385 if ((ndisauthmode
== Ndis802_11AuthModeWPA
) ||
1386 (ndisauthmode
== Ndis802_11AuthModeWPAPSK
)) {
1387 authmode
= _WPA_IE_ID_
;
1389 uncst_oui
[1] = 0x50;
1390 uncst_oui
[2] = 0xf2;
1392 if ((ndisauthmode
== Ndis802_11AuthModeWPA2
) ||
1393 (ndisauthmode
== Ndis802_11AuthModeWPA2PSK
)) {
1394 authmode
= _WPA2_IE_ID_
;
1396 uncst_oui
[1] = 0x0f;
1397 uncst_oui
[2] = 0xac;
1399 switch (ndissecuritytype
) {
1400 case Ndis802_11Encryption1Enabled
:
1401 case Ndis802_11Encryption1KeyAbsent
:
1404 case Ndis802_11Encryption2Enabled
:
1405 case Ndis802_11Encryption2KeyAbsent
:
1408 case Ndis802_11Encryption3Enabled
:
1409 case Ndis802_11Encryption3KeyAbsent
:
1415 /*Search required WPA or WPA2 IE and copy to sec_ie[] */
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);
1427 if (authmode
== _WPA2_IE_ID_
) {
1428 memcpy(&sec_ie
[0], &in_ie
[cnt
],
1429 in_ie
[cnt
+ 1] + 2);
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);
1439 cnt
+= in_ie
[cnt
+1] + 2; /*get next*/
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 */
1447 /*check wpa_oui tag*/
1448 if (memcmp(&sec_ie
[2], &wpa_oui
[0], 4)) {
1452 if ((sec_ie
[6] != 0x01) || (sec_ie
[7] != 0x0)) {
1457 if (!memcmp(&sec_ie
[8], &wpa_oui
[0], 3)) {
1458 /* get bc/mc encryption type (group
1460 switch (sec_ie
[11]) {
1462 psecuritypriv
->XGrpPrivacy
=
1465 case 0x1: /*WEP_40*/
1466 psecuritypriv
->XGrpPrivacy
=
1470 psecuritypriv
->XGrpPrivacy
=
1473 case 0x3: /*AESCCMP*/
1475 psecuritypriv
->XGrpPrivacy
=
1478 case 0x5: /*WEP_104*/
1479 psecuritypriv
->XGrpPrivacy
=
1487 if (sec_ie
[12] == 0x01) {
1488 /*check the unicast encryption type*/
1489 if (memcmp(&sec_ie
[14],
1490 &uncst_oui
[0], 4)) {
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*/
1499 remove_cnt
= (cnt
-1) * 4;
1501 memcpy(&sec_ie
[14], &uncst_oui
[0], 4);
1502 /*remove the other unicast suit*/
1504 &sec_ie
[18 + remove_cnt
],
1505 sec_ie
[1] - 18 + 2 -
1507 sec_ie
[1] = sec_ie
[1] - remove_cnt
;
1512 if (authmode
== _WPA2_IE_ID_
) {
1513 /* parsing RSN IE to select required encryption
1514 * algorithm, and set the bc/mc encryption algorithm */
1516 if ((sec_ie
[2] != 0x01) || (sec_ie
[3] != 0x0)) {
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
=
1529 psecuritypriv
->XGrpPrivacy
=
1532 case 0x4: /*AESWRAP*/
1533 psecuritypriv
->XGrpPrivacy
=
1536 case 0x5: /*WEP_104*/
1537 psecuritypriv
->XGrpPrivacy
=
1541 psecuritypriv
->XGrpPrivacy
=
1549 if (sec_ie
[8] == 0x01) {
1550 /*check the unicast encryption type*/
1551 if (memcmp(&sec_ie
[10],
1552 &uncst_oui
[0], 4)) {
1555 } /*else the uncst_oui is match*/
1556 } else { /*mixed mode, unicast_enc_type > 1*/
1557 /*select the uncst_oui and remove the
1560 remove_cnt
= (cnt
-1)*4;
1562 memcpy(&sec_ie
[10], &uncst_oui
[0], 4);
1563 /*remove the other unicast suit*/
1565 &sec_ie
[14 + remove_cnt
],
1566 (sec_ie
[1] - 14 + 2 -
1568 sec_ie
[1] = sec_ie
[1]-remove_cnt
;
1574 if ((authmode
== _WPA_IE_ID_
) || (authmode
== _WPA2_IE_ID_
)) {
1576 memcpy(out_ie
, in_ie
, 12);
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;
1587 r8712_report_sec_ie(adapter
, authmode
, sec_ie
);
1590 /*copy fixed ie only*/
1591 memcpy(out_ie
, in_ie
, 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
;
1599 iEntry
= SecIsInPMKIDList(adapter
, pmlmepriv
->assoc_bssid
);
1602 if (authmode
== _WPA2_IE_ID_
) {
1603 out_ie
[ielength
] = 1;
1605 out_ie
[ielength
] = 0; /*PMKID count = 0x0100*/
1607 memcpy(&out_ie
[ielength
],
1608 &psecuritypriv
->PMKIDList
[iEntry
].PMKID
, 16);
1610 out_ie
[13] += 18;/*PMKID length = 2+16*/
1615 void r8712_init_registrypriv_dev_network(struct _adapter
*adapter
)
1617 struct registry_priv
*pregistrypriv
= &adapter
->registrypriv
;
1618 struct eeprom_priv
*peepriv
= &adapter
->eeprompriv
;
1619 struct wlan_bssid_ex
*pdev_network
= &pregistrypriv
->dev_network
;
1620 u8
*myhwaddr
= myid(peepriv
);
1622 memcpy(pdev_network
->MacAddress
, myhwaddr
, ETH_ALEN
);
1623 memcpy(&pdev_network
->Ssid
, &pregistrypriv
->ssid
,
1624 sizeof(struct ndis_802_11_ssid
));
1625 pdev_network
->Configuration
.Length
=
1626 sizeof(struct NDIS_802_11_CONFIGURATION
);
1627 pdev_network
->Configuration
.BeaconPeriod
= 100;
1628 pdev_network
->Configuration
.FHConfig
.Length
= 0;
1629 pdev_network
->Configuration
.FHConfig
.HopPattern
= 0;
1630 pdev_network
->Configuration
.FHConfig
.HopSet
= 0;
1631 pdev_network
->Configuration
.FHConfig
.DwellTime
= 0;
1634 void r8712_update_registrypriv_dev_network(struct _adapter
*adapter
)
1637 struct registry_priv
*pregistrypriv
= &adapter
->registrypriv
;
1638 struct wlan_bssid_ex
*pdev_network
= &pregistrypriv
->dev_network
;
1639 struct security_priv
*psecuritypriv
= &adapter
->securitypriv
;
1640 struct wlan_network
*cur_network
= &adapter
->mlmepriv
.cur_network
;
1642 pdev_network
->Privacy
= cpu_to_le32(psecuritypriv
->PrivacyAlgrthm
1643 > 0 ? 1 : 0); /* adhoc no 802.1x */
1644 pdev_network
->Rssi
= 0;
1645 switch (pregistrypriv
->wireless_mode
) {
1647 pdev_network
->NetworkTypeInUse
= cpu_to_le32(Ndis802_11DS
);
1651 pdev_network
->NetworkTypeInUse
= cpu_to_le32(Ndis802_11OFDM24
);
1654 pdev_network
->NetworkTypeInUse
= cpu_to_le32(Ndis802_11OFDM5
);
1660 pdev_network
->Configuration
.DSConfig
= cpu_to_le32(
1661 pregistrypriv
->channel
);
1662 if (cur_network
->network
.InfrastructureMode
== Ndis802_11IBSS
)
1663 pdev_network
->Configuration
.ATIMWindow
= cpu_to_le32(3);
1664 pdev_network
->InfrastructureMode
= cpu_to_le32(
1665 cur_network
->network
.InfrastructureMode
);
1666 /* 1. Supported rates
1669 sz
= r8712_generate_ie(pregistrypriv
);
1670 pdev_network
->IELength
= sz
;
1671 pdev_network
->Length
= r8712_get_ndis_wlan_bssid_ex_sz(
1672 (struct ndis_wlan_bssid_ex
*)pdev_network
);
1675 /*the function is at passive_level*/
1676 void r8712_joinbss_reset(struct _adapter
*padapter
)
1679 struct mlme_priv
*pmlmepriv
= &padapter
->mlmepriv
;
1680 struct ht_priv
*phtpriv
= &pmlmepriv
->htpriv
;
1682 /* todo: if you want to do something io/reg/hw setting before join_bss,
1683 * please add code here */
1684 phtpriv
->ampdu_enable
= false;/*reset to disabled*/
1685 for (i
= 0; i
< 16; i
++)
1686 phtpriv
->baddbareq_issued
[i
] = false;/*reset it*/
1687 if (phtpriv
->ht_option
) {
1688 /* validate usb rx aggregation */
1689 r8712_write8(padapter
, 0x102500D9, 48);/*TH = 48 pages, 6k*/
1691 /* invalidate usb rx aggregation */
1692 /* TH=1 => means that invalidate usb rx aggregation */
1693 r8712_write8(padapter
, 0x102500D9, 1);
1697 /*the function is >= passive_level*/
1698 unsigned int r8712_restructure_ht_ie(struct _adapter
*padapter
, u8
*in_ie
,
1699 u8
*out_ie
, uint in_len
, uint
*pout_len
)
1703 struct ieee80211_ht_cap ht_capie
;
1704 unsigned char WMM_IE
[] = {0x00, 0x50, 0xf2, 0x02, 0x00, 0x01, 0x00};
1705 struct mlme_priv
*pmlmepriv
= &padapter
->mlmepriv
;
1706 struct qos_priv
*pqospriv
= &pmlmepriv
->qospriv
;
1707 struct ht_priv
*phtpriv
= &pmlmepriv
->htpriv
;
1709 phtpriv
->ht_option
= 0;
1710 p
= r8712_get_ie(in_ie
+12, _HT_CAPABILITY_IE_
, &ielen
, in_len
-12);
1711 if (p
&& (ielen
> 0)) {
1712 if (pqospriv
->qos_option
== 0) {
1713 out_len
= *pout_len
;
1714 r8712_set_ie(out_ie
+out_len
, _VENDOR_SPECIFIC_IE_
,
1715 _WMM_IE_Length_
, WMM_IE
, pout_len
);
1716 pqospriv
->qos_option
= 1;
1718 out_len
= *pout_len
;
1719 memset(&ht_capie
, 0, sizeof(struct ieee80211_ht_cap
));
1720 ht_capie
.cap_info
= IEEE80211_HT_CAP_SUP_WIDTH
|
1721 IEEE80211_HT_CAP_SGI_20
|
1722 IEEE80211_HT_CAP_SGI_40
|
1723 IEEE80211_HT_CAP_TX_STBC
|
1724 IEEE80211_HT_CAP_MAX_AMSDU
|
1725 IEEE80211_HT_CAP_DSSSCCK40
;
1726 ht_capie
.ampdu_params_info
= (IEEE80211_HT_CAP_AMPDU_FACTOR
&
1727 0x03) | (IEEE80211_HT_CAP_AMPDU_DENSITY
& 0x00);
1728 r8712_set_ie(out_ie
+out_len
, _HT_CAPABILITY_IE_
,
1729 sizeof(struct ieee80211_ht_cap
),
1730 (unsigned char *)&ht_capie
, pout_len
);
1731 phtpriv
->ht_option
= 1;
1733 return phtpriv
->ht_option
;
1736 /* the function is > passive_level (in critical_section) */
1737 static void update_ht_cap(struct _adapter
*padapter
, u8
*pie
, uint ie_len
)
1739 u8
*p
, max_ampdu_sz
;
1741 struct sta_info
*bmc_sta
, *psta
;
1742 struct ieee80211_ht_cap
*pht_capie
;
1743 struct recv_reorder_ctrl
*preorder_ctrl
;
1744 struct mlme_priv
*pmlmepriv
= &padapter
->mlmepriv
;
1745 struct ht_priv
*phtpriv
= &pmlmepriv
->htpriv
;
1746 struct registry_priv
*pregistrypriv
= &padapter
->registrypriv
;
1747 struct wlan_network
*pcur_network
= &(pmlmepriv
->cur_network
);
1749 if (!phtpriv
->ht_option
)
1751 /* maybe needs check if ap supports rx ampdu. */
1752 if ((phtpriv
->ampdu_enable
== false) &&
1753 (pregistrypriv
->ampdu_enable
== 1))
1754 phtpriv
->ampdu_enable
= true;
1755 /*check Max Rx A-MPDU Size*/
1757 p
= r8712_get_ie(pie
+ sizeof(struct NDIS_802_11_FIXED_IEs
),
1760 sizeof(struct NDIS_802_11_FIXED_IEs
));
1762 pht_capie
= (struct ieee80211_ht_cap
*)(p
+2);
1763 max_ampdu_sz
= (pht_capie
->ampdu_params_info
&
1764 IEEE80211_HT_CAP_AMPDU_FACTOR
);
1765 /* max_ampdu_sz (kbytes); */
1766 max_ampdu_sz
= 1 << (max_ampdu_sz
+3);
1767 phtpriv
->rx_ampdu_maxlen
= max_ampdu_sz
;
1769 /* for A-MPDU Rx reordering buffer control for bmc_sta & sta_info
1770 * if A-MPDU Rx is enabled, resetting rx_ordering_ctrl
1771 * wstart_b(indicate_seq) to default value=0xffff
1772 * todo: check if AP can send A-MPDU packets
1774 bmc_sta
= r8712_get_bcmc_stainfo(padapter
);
1776 for (i
= 0; i
< 16; i
++) {
1777 preorder_ctrl
= &bmc_sta
->recvreorder_ctrl
[i
];
1778 preorder_ctrl
->indicate_seq
= 0xffff;
1779 preorder_ctrl
->wend_b
= 0xffff;
1782 psta
= r8712_get_stainfo(&padapter
->stapriv
,
1783 pcur_network
->network
.MacAddress
);
1785 for (i
= 0; i
< 16; i
++) {
1786 preorder_ctrl
= &psta
->recvreorder_ctrl
[i
];
1787 preorder_ctrl
->indicate_seq
= 0xffff;
1788 preorder_ctrl
->wend_b
= 0xffff;
1792 p
= r8712_get_ie(pie
+ sizeof(struct NDIS_802_11_FIXED_IEs
),
1793 _HT_ADD_INFO_IE_
, &len
,
1794 ie_len
-sizeof(struct NDIS_802_11_FIXED_IEs
));
1797 void r8712_issue_addbareq_cmd(struct _adapter
*padapter
, int priority
)
1799 struct mlme_priv
*pmlmepriv
= &padapter
->mlmepriv
;
1800 struct ht_priv
*phtpriv
= &pmlmepriv
->htpriv
;
1802 if ((phtpriv
->ht_option
== 1) && (phtpriv
->ampdu_enable
== true)) {
1803 if (phtpriv
->baddbareq_issued
[priority
] == false) {
1804 r8712_addbareq_cmd(padapter
, (u8
)priority
);
1805 phtpriv
->baddbareq_issued
[priority
] = true;