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_wlan_bssid_ex_sz(struct wlan_bssid_ex
*bss
)
213 return sizeof(*bss
) + bss
->IELength
- MAX_IE_SZ
;
216 u8
*r8712_get_capability_from_ie(u8
*ie
)
221 int r8712_init_mlme_priv(struct _adapter
*padapter
)
223 return _init_mlme_priv(padapter
);
226 void r8712_free_mlme_priv(struct mlme_priv
*pmlmepriv
)
228 kfree(pmlmepriv
->free_bss_buf
);
231 static struct wlan_network
*alloc_network(struct mlme_priv
*pmlmepriv
)
233 return _r8712_alloc_network(pmlmepriv
);
236 static void free_network_nolock(struct mlme_priv
*pmlmepriv
,
237 struct wlan_network
*pnetwork
)
239 _free_network_nolock(pmlmepriv
, pnetwork
);
242 void r8712_free_network_queue(struct _adapter
*dev
)
244 _free_network_queue(dev
);
248 return the wlan_network with the matching addr
250 Shall be called under atomic context...
251 to avoid possible racing condition...
253 static struct wlan_network
*r8712_find_network(struct __queue
*scanned_queue
,
256 struct wlan_network
*pnetwork
= _r8712_find_network(scanned_queue
,
262 int r8712_is_same_ibss(struct _adapter
*adapter
, struct wlan_network
*pnetwork
)
265 struct security_priv
*psecuritypriv
= &adapter
->securitypriv
;
267 if ((psecuritypriv
->PrivacyAlgrthm
!= _NO_PRIVACY_
) &&
268 (pnetwork
->network
.Privacy
== 0))
270 else if ((psecuritypriv
->PrivacyAlgrthm
== _NO_PRIVACY_
) &&
271 (pnetwork
->network
.Privacy
== 1))
279 static int is_same_network(struct wlan_bssid_ex
*src
,
280 struct wlan_bssid_ex
*dst
)
284 memcpy((u8
*)&s_cap
, r8712_get_capability_from_ie(src
->IEs
), 2);
285 memcpy((u8
*)&d_cap
, r8712_get_capability_from_ie(dst
->IEs
), 2);
286 return (src
->Ssid
.SsidLength
== dst
->Ssid
.SsidLength
) &&
287 (src
->Configuration
.DSConfig
==
288 dst
->Configuration
.DSConfig
) &&
289 ((!memcmp(src
->MacAddress
, dst
->MacAddress
,
291 ((!memcmp(src
->Ssid
.Ssid
,
293 src
->Ssid
.SsidLength
))) &&
294 ((s_cap
& WLAN_CAPABILITY_IBSS
) ==
295 (d_cap
& WLAN_CAPABILITY_IBSS
)) &&
296 ((s_cap
& WLAN_CAPABILITY_BSS
) ==
297 (d_cap
& WLAN_CAPABILITY_BSS
));
301 struct wlan_network
*r8712_get_oldest_wlan_network(
302 struct __queue
*scanned_queue
)
304 struct list_head
*plist
, *phead
;
305 struct wlan_network
*pwlan
= NULL
;
306 struct wlan_network
*oldest
= NULL
;
308 phead
= &scanned_queue
->queue
;
311 if (end_of_queue_search(phead
, plist
) == true)
313 pwlan
= LIST_CONTAINOR(plist
, struct wlan_network
, list
);
314 if (pwlan
->fixed
!= true) {
315 if (oldest
== NULL
||
316 time_after((unsigned long)oldest
->last_scanned
,
317 (unsigned long)pwlan
->last_scanned
))
325 static void update_network(struct wlan_bssid_ex
*dst
,
326 struct wlan_bssid_ex
*src
,
327 struct _adapter
*padapter
)
329 u32 last_evm
= 0, tmpVal
;
331 if (check_fwstate(&padapter
->mlmepriv
, _FW_LINKED
) &&
332 is_same_network(&(padapter
->mlmepriv
.cur_network
.network
), src
)) {
333 if (padapter
->recvpriv
.signal_qual_data
.total_num
++ >=
334 PHY_LINKQUALITY_SLID_WIN_MAX
) {
335 padapter
->recvpriv
.signal_qual_data
.total_num
=
336 PHY_LINKQUALITY_SLID_WIN_MAX
;
337 last_evm
= padapter
->recvpriv
.signal_qual_data
.
338 elements
[padapter
->recvpriv
.
339 signal_qual_data
.index
];
340 padapter
->recvpriv
.signal_qual_data
.total_val
-=
343 padapter
->recvpriv
.signal_qual_data
.total_val
+= src
->Rssi
;
345 padapter
->recvpriv
.signal_qual_data
.
346 elements
[padapter
->recvpriv
.signal_qual_data
.
347 index
++] = src
->Rssi
;
348 if (padapter
->recvpriv
.signal_qual_data
.index
>=
349 PHY_LINKQUALITY_SLID_WIN_MAX
)
350 padapter
->recvpriv
.signal_qual_data
.index
= 0;
351 /* <1> Showed on UI for user, in percentage. */
352 tmpVal
= padapter
->recvpriv
.signal_qual_data
.total_val
/
353 padapter
->recvpriv
.signal_qual_data
.total_num
;
354 padapter
->recvpriv
.signal
= (u8
)tmpVal
;
356 src
->Rssi
= padapter
->recvpriv
.signal
;
358 src
->Rssi
= (src
->Rssi
+ dst
->Rssi
) / 2;
359 memcpy((u8
*)dst
, (u8
*)src
, r8712_get_wlan_bssid_ex_sz(src
));
362 static void update_current_network(struct _adapter
*adapter
,
363 struct wlan_bssid_ex
*pnetwork
)
365 struct mlme_priv
*pmlmepriv
= &adapter
->mlmepriv
;
367 if (is_same_network(&(pmlmepriv
->cur_network
.network
), pnetwork
)) {
368 update_network(&(pmlmepriv
->cur_network
.network
),
370 r8712_update_protection(adapter
,
371 (pmlmepriv
->cur_network
.network
.IEs
) +
372 sizeof(struct NDIS_802_11_FIXED_IEs
),
373 pmlmepriv
->cur_network
.network
.IELength
);
378 Caller must hold pmlmepriv->lock first.
380 static void update_scanned_network(struct _adapter
*adapter
,
381 struct wlan_bssid_ex
*target
)
383 struct list_head
*plist
, *phead
;
386 struct mlme_priv
*pmlmepriv
= &adapter
->mlmepriv
;
387 struct __queue
*queue
= &pmlmepriv
->scanned_queue
;
388 struct wlan_network
*pnetwork
= NULL
;
389 struct wlan_network
*oldest
= NULL
;
391 phead
= &queue
->queue
;
395 if (end_of_queue_search(phead
, plist
) == true)
398 pnetwork
= LIST_CONTAINOR(plist
, struct wlan_network
, list
);
399 if (is_same_network(&pnetwork
->network
, target
))
401 if ((oldest
== ((struct wlan_network
*)0)) ||
402 time_after((unsigned long)oldest
->last_scanned
,
403 (unsigned long)pnetwork
->last_scanned
))
410 /* If we didn't find a match, then get a new network slot to initialize
411 * with this beacon's information */
412 if (end_of_queue_search(phead
, plist
) == true) {
413 if (list_empty(&pmlmepriv
->free_bss_pool
.queue
)) {
414 /* If there are no more slots, expire the oldest */
416 target
->Rssi
= (pnetwork
->network
.Rssi
+
418 memcpy(&pnetwork
->network
, target
,
419 r8712_get_wlan_bssid_ex_sz(target
));
420 pnetwork
->last_scanned
= jiffies
;
422 /* Otherwise just pull from the free list */
423 /* update scan_time */
424 pnetwork
= alloc_network(pmlmepriv
);
425 if (pnetwork
== NULL
)
427 bssid_ex_sz
= r8712_get_wlan_bssid_ex_sz(target
);
428 target
->Length
= bssid_ex_sz
;
429 memcpy(&pnetwork
->network
, target
, bssid_ex_sz
);
430 list_add_tail(&pnetwork
->list
, &queue
->queue
);
433 /* we have an entry and we are going to update it. But
434 * this entry may be already expired. In this case we
435 * do the same as we found a new net and call the new_net
438 update_network(&pnetwork
->network
, target
, adapter
);
439 pnetwork
->last_scanned
= jiffies
;
443 static void rtl8711_add_network(struct _adapter
*adapter
,
444 struct wlan_bssid_ex
*pnetwork
)
447 struct mlme_priv
*pmlmepriv
= &(((struct _adapter
*)adapter
)->mlmepriv
);
448 struct __queue
*queue
= &pmlmepriv
->scanned_queue
;
450 spin_lock_irqsave(&queue
->lock
, irqL
);
451 update_current_network(adapter
, pnetwork
);
452 update_scanned_network(adapter
, pnetwork
);
453 spin_unlock_irqrestore(&queue
->lock
, irqL
);
456 /*select the desired network based on the capability of the (i)bss.
457 * check items: (1) security
463 static int is_desired_network(struct _adapter
*adapter
,
464 struct wlan_network
*pnetwork
)
468 int bselected
= true;
469 struct security_priv
*psecuritypriv
= &adapter
->securitypriv
;
471 if (psecuritypriv
->wps_phase
== true) {
472 if (r8712_get_wps_ie(pnetwork
->network
.IEs
,
473 pnetwork
->network
.IELength
, wps_ie
,
479 if ((psecuritypriv
->PrivacyAlgrthm
!= _NO_PRIVACY_
) &&
480 (pnetwork
->network
.Privacy
== 0))
482 if (check_fwstate(&adapter
->mlmepriv
, WIFI_ADHOC_STATE
) == true) {
483 if (pnetwork
->network
.InfrastructureMode
!=
484 adapter
->mlmepriv
.cur_network
.network
.
491 /* TODO: Perry : For Power Management */
492 void r8712_atimdone_event_callback(struct _adapter
*adapter
, u8
*pbuf
)
496 void r8712_survey_event_callback(struct _adapter
*adapter
, u8
*pbuf
)
500 struct wlan_bssid_ex
*pnetwork
;
501 struct mlme_priv
*pmlmepriv
= &adapter
->mlmepriv
;
503 pnetwork
= (struct wlan_bssid_ex
*)pbuf
;
506 pnetwork
->Length
= le32_to_cpu(pnetwork
->Length
);
507 pnetwork
->Ssid
.SsidLength
= le32_to_cpu(pnetwork
->Ssid
.SsidLength
);
508 pnetwork
->Privacy
= le32_to_cpu(pnetwork
->Privacy
);
509 pnetwork
->Rssi
= le32_to_cpu(pnetwork
->Rssi
);
510 pnetwork
->NetworkTypeInUse
= le32_to_cpu(pnetwork
->NetworkTypeInUse
);
511 pnetwork
->Configuration
.ATIMWindow
=
512 le32_to_cpu(pnetwork
->Configuration
.ATIMWindow
);
513 pnetwork
->Configuration
.BeaconPeriod
=
514 le32_to_cpu(pnetwork
->Configuration
.BeaconPeriod
);
515 pnetwork
->Configuration
.DSConfig
=
516 le32_to_cpu(pnetwork
->Configuration
.DSConfig
);
517 pnetwork
->Configuration
.FHConfig
.DwellTime
=
518 le32_to_cpu(pnetwork
->Configuration
.FHConfig
.DwellTime
);
519 pnetwork
->Configuration
.FHConfig
.HopPattern
=
520 le32_to_cpu(pnetwork
->Configuration
.FHConfig
.HopPattern
);
521 pnetwork
->Configuration
.FHConfig
.HopSet
=
522 le32_to_cpu(pnetwork
->Configuration
.FHConfig
.HopSet
);
523 pnetwork
->Configuration
.FHConfig
.Length
=
524 le32_to_cpu(pnetwork
->Configuration
.FHConfig
.Length
);
525 pnetwork
->Configuration
.Length
=
526 le32_to_cpu(pnetwork
->Configuration
.Length
);
527 pnetwork
->InfrastructureMode
=
528 le32_to_cpu(pnetwork
->InfrastructureMode
);
529 pnetwork
->IELength
= le32_to_cpu(pnetwork
->IELength
);
531 len
= r8712_get_wlan_bssid_ex_sz(pnetwork
);
532 if (len
> sizeof(struct wlan_bssid_ex
))
534 spin_lock_irqsave(&pmlmepriv
->lock2
, flags
);
535 /* update IBSS_network 's timestamp */
536 if (check_fwstate(pmlmepriv
, WIFI_ADHOC_MASTER_STATE
) == true) {
537 if (!memcmp(&(pmlmepriv
->cur_network
.network
.MacAddress
),
538 pnetwork
->MacAddress
, ETH_ALEN
)) {
539 struct wlan_network
*ibss_wlan
= NULL
;
541 memcpy(pmlmepriv
->cur_network
.network
.IEs
,
543 ibss_wlan
= r8712_find_network(
544 &pmlmepriv
->scanned_queue
,
545 pnetwork
->MacAddress
);
547 memcpy(ibss_wlan
->network
.IEs
,
553 /* lock pmlmepriv->lock when you accessing network_q */
554 if (check_fwstate(pmlmepriv
, _FW_UNDER_LINKING
) == false) {
555 if (pnetwork
->Ssid
.Ssid
[0] != 0)
556 rtl8711_add_network(adapter
, pnetwork
);
558 pnetwork
->Ssid
.SsidLength
= 8;
559 memcpy(pnetwork
->Ssid
.Ssid
, "<hidden>", 8);
560 rtl8711_add_network(adapter
, pnetwork
);
564 spin_unlock_irqrestore(&pmlmepriv
->lock2
, flags
);
567 void r8712_surveydone_event_callback(struct _adapter
*adapter
, u8
*pbuf
)
570 struct mlme_priv
*pmlmepriv
= &adapter
->mlmepriv
;
572 spin_lock_irqsave(&pmlmepriv
->lock
, irqL
);
574 if (check_fwstate(pmlmepriv
, _FW_UNDER_SURVEY
) == true) {
575 del_timer(&pmlmepriv
->scan_to_timer
);
577 _clr_fwstate_(pmlmepriv
, _FW_UNDER_SURVEY
);
580 if (pmlmepriv
->to_join
== true) {
581 if (check_fwstate(pmlmepriv
, WIFI_ADHOC_STATE
) == true) {
582 if (check_fwstate(pmlmepriv
, _FW_LINKED
) == false) {
583 set_fwstate(pmlmepriv
, _FW_UNDER_LINKING
);
585 if (r8712_select_and_join_from_scan(pmlmepriv
)
587 mod_timer(&pmlmepriv
->assoc_timer
, jiffies
+
588 msecs_to_jiffies(MAX_JOIN_TIMEOUT
));
590 struct wlan_bssid_ex
*pdev_network
=
591 &(adapter
->registrypriv
.dev_network
);
593 adapter
->registrypriv
.
594 dev_network
.MacAddress
;
595 pmlmepriv
->fw_state
^= _FW_UNDER_SURVEY
;
596 memcpy(&pdev_network
->Ssid
,
597 &pmlmepriv
->assoc_ssid
,
600 r8712_update_registrypriv_dev_network
602 r8712_generate_random_ibss(pibss
);
603 pmlmepriv
->fw_state
=
604 WIFI_ADHOC_MASTER_STATE
;
605 pmlmepriv
->to_join
= false;
609 pmlmepriv
->to_join
= false;
610 set_fwstate(pmlmepriv
, _FW_UNDER_LINKING
);
611 if (r8712_select_and_join_from_scan(pmlmepriv
) ==
613 mod_timer(&pmlmepriv
->assoc_timer
, jiffies
+
614 msecs_to_jiffies(MAX_JOIN_TIMEOUT
));
616 _clr_fwstate_(pmlmepriv
, _FW_UNDER_LINKING
);
619 spin_unlock_irqrestore(&pmlmepriv
->lock
, irqL
);
623 *r8712_free_assoc_resources: the caller has to lock pmlmepriv->lock
625 void r8712_free_assoc_resources(struct _adapter
*adapter
)
628 struct wlan_network
*pwlan
= NULL
;
629 struct mlme_priv
*pmlmepriv
= &adapter
->mlmepriv
;
630 struct sta_priv
*pstapriv
= &adapter
->stapriv
;
631 struct wlan_network
*tgt_network
= &pmlmepriv
->cur_network
;
633 pwlan
= r8712_find_network(&pmlmepriv
->scanned_queue
,
634 tgt_network
->network
.MacAddress
);
636 if (check_fwstate(pmlmepriv
, WIFI_STATION_STATE
|WIFI_AP_STATE
)) {
637 struct sta_info
*psta
;
639 psta
= r8712_get_stainfo(&adapter
->stapriv
,
640 tgt_network
->network
.MacAddress
);
642 spin_lock_irqsave(&pstapriv
->sta_hash_lock
, irqL
);
643 r8712_free_stainfo(adapter
, psta
);
644 spin_unlock_irqrestore(&pstapriv
->sta_hash_lock
, irqL
);
647 if (check_fwstate(pmlmepriv
,
648 WIFI_ADHOC_STATE
|WIFI_ADHOC_MASTER_STATE
|WIFI_AP_STATE
))
649 r8712_free_all_stainfo(adapter
);
651 pwlan
->fixed
= false;
653 if (((check_fwstate(pmlmepriv
, WIFI_ADHOC_MASTER_STATE
)) &&
654 (adapter
->stapriv
.asoc_sta_count
== 1)))
655 free_network_nolock(pmlmepriv
, pwlan
);
659 *r8712_indicate_connect: the caller has to lock pmlmepriv->lock
661 void r8712_indicate_connect(struct _adapter
*padapter
)
663 struct mlme_priv
*pmlmepriv
= &padapter
->mlmepriv
;
665 pmlmepriv
->to_join
= false;
666 set_fwstate(pmlmepriv
, _FW_LINKED
);
667 padapter
->ledpriv
.LedControlHandler(padapter
, LED_CTL_LINK
);
668 r8712_os_indicate_connect(padapter
);
669 if (padapter
->registrypriv
.power_mgnt
> PS_MODE_ACTIVE
)
670 mod_timer(&pmlmepriv
->dhcp_timer
,
671 jiffies
+ msecs_to_jiffies(60000));
676 *r8712_ind_disconnect: the caller has to lock pmlmepriv->lock
678 void r8712_ind_disconnect(struct _adapter
*padapter
)
680 struct mlme_priv
*pmlmepriv
= &padapter
->mlmepriv
;
682 if (check_fwstate(pmlmepriv
, _FW_LINKED
) == true) {
683 _clr_fwstate_(pmlmepriv
, _FW_LINKED
);
684 padapter
->ledpriv
.LedControlHandler(padapter
, LED_CTL_NO_LINK
);
685 r8712_os_indicate_disconnect(padapter
);
687 if (padapter
->pwrctrlpriv
.pwr_mode
!=
688 padapter
->registrypriv
.power_mgnt
) {
689 del_timer(&pmlmepriv
->dhcp_timer
);
690 r8712_set_ps_mode(padapter
, padapter
->registrypriv
.power_mgnt
,
691 padapter
->registrypriv
.smart_ps
);
696 *pnetwork : returns from r8712_joinbss_event_callback
697 *ptarget_wlan: found from scanned_queue
698 *if join_res > 0, for (fw_state==WIFI_STATION_STATE), we check if
699 * "ptarget_sta" & "ptarget_wlan" exist.
700 *if join_res > 0, for (fw_state==WIFI_ADHOC_STATE), we only check
701 * if "ptarget_wlan" exist.
702 *if join_res > 0, update "cur_network->network" from
703 * "pnetwork->network" if (ptarget_wlan !=NULL).
705 void r8712_joinbss_event_callback(struct _adapter
*adapter
, u8
*pbuf
)
707 unsigned long irqL
= 0, irqL2
;
708 struct sta_info
*ptarget_sta
= NULL
, *pcur_sta
= NULL
;
709 struct sta_priv
*pstapriv
= &adapter
->stapriv
;
710 struct mlme_priv
*pmlmepriv
= &adapter
->mlmepriv
;
711 struct wlan_network
*cur_network
= &pmlmepriv
->cur_network
;
712 struct wlan_network
*pcur_wlan
= NULL
, *ptarget_wlan
= NULL
;
713 unsigned int the_same_macaddr
= false;
714 struct wlan_network
*pnetwork
;
716 if (sizeof(struct list_head
) == 4 * sizeof(u32
)) {
717 pnetwork
= kmalloc(sizeof(struct wlan_network
), GFP_ATOMIC
);
720 memcpy((u8
*)pnetwork
+16, (u8
*)pbuf
+ 8,
721 sizeof(struct wlan_network
) - 16);
723 pnetwork
= (struct wlan_network
*)pbuf
;
727 pnetwork
->join_res
= le32_to_cpu(pnetwork
->join_res
);
728 pnetwork
->network_type
= le32_to_cpu(pnetwork
->network_type
);
729 pnetwork
->network
.Length
= le32_to_cpu(pnetwork
->network
.Length
);
730 pnetwork
->network
.Ssid
.SsidLength
=
731 le32_to_cpu(pnetwork
->network
.Ssid
.SsidLength
);
732 pnetwork
->network
.Privacy
= le32_to_cpu(pnetwork
->network
.Privacy
);
733 pnetwork
->network
.Rssi
= le32_to_cpu(pnetwork
->network
.Rssi
);
734 pnetwork
->network
.NetworkTypeInUse
=
735 le32_to_cpu(pnetwork
->network
.NetworkTypeInUse
);
736 pnetwork
->network
.Configuration
.ATIMWindow
=
737 le32_to_cpu(pnetwork
->network
.Configuration
.ATIMWindow
);
738 pnetwork
->network
.Configuration
.BeaconPeriod
=
739 le32_to_cpu(pnetwork
->network
.Configuration
.BeaconPeriod
);
740 pnetwork
->network
.Configuration
.DSConfig
=
741 le32_to_cpu(pnetwork
->network
.Configuration
.DSConfig
);
742 pnetwork
->network
.Configuration
.FHConfig
.DwellTime
=
743 le32_to_cpu(pnetwork
->network
.Configuration
.FHConfig
.
745 pnetwork
->network
.Configuration
.FHConfig
.HopPattern
=
746 le32_to_cpu(pnetwork
->network
.Configuration
.
747 FHConfig
.HopPattern
);
748 pnetwork
->network
.Configuration
.FHConfig
.HopSet
=
749 le32_to_cpu(pnetwork
->network
.Configuration
.FHConfig
.HopSet
);
750 pnetwork
->network
.Configuration
.FHConfig
.Length
=
751 le32_to_cpu(pnetwork
->network
.Configuration
.FHConfig
.Length
);
752 pnetwork
->network
.Configuration
.Length
=
753 le32_to_cpu(pnetwork
->network
.Configuration
.Length
);
754 pnetwork
->network
.InfrastructureMode
=
755 le32_to_cpu(pnetwork
->network
.InfrastructureMode
);
756 pnetwork
->network
.IELength
= le32_to_cpu(pnetwork
->network
.IELength
);
759 the_same_macaddr
= !memcmp(pnetwork
->network
.MacAddress
,
760 cur_network
->network
.MacAddress
, ETH_ALEN
);
761 pnetwork
->network
.Length
=
762 r8712_get_wlan_bssid_ex_sz(&pnetwork
->network
);
763 spin_lock_irqsave(&pmlmepriv
->lock
, irqL
);
764 if (pnetwork
->network
.Length
> sizeof(struct wlan_bssid_ex
))
765 goto ignore_joinbss_callback
;
766 if (pnetwork
->join_res
> 0) {
767 if (check_fwstate(pmlmepriv
, _FW_UNDER_LINKING
) == true) {
768 /*s1. find ptarget_wlan*/
769 if (check_fwstate(pmlmepriv
, _FW_LINKED
) == true) {
770 if (the_same_macaddr
== true)
772 r8712_find_network(&pmlmepriv
->
774 cur_network
->network
.MacAddress
);
777 r8712_find_network(&pmlmepriv
->
779 cur_network
->network
.MacAddress
);
780 pcur_wlan
->fixed
= false;
782 pcur_sta
= r8712_get_stainfo(pstapriv
,
783 cur_network
->network
.MacAddress
);
784 spin_lock_irqsave(&pstapriv
->
785 sta_hash_lock
, irqL2
);
786 r8712_free_stainfo(adapter
, pcur_sta
);
787 spin_unlock_irqrestore(&(pstapriv
->
788 sta_hash_lock
), irqL2
);
791 r8712_find_network(&pmlmepriv
->
796 ptarget_wlan
->fixed
= true;
799 ptarget_wlan
= r8712_find_network(&pmlmepriv
->
801 pnetwork
->network
.MacAddress
);
803 ptarget_wlan
->fixed
= true;
806 if (ptarget_wlan
== NULL
) {
807 if (check_fwstate(pmlmepriv
,
809 pmlmepriv
->fw_state
^=
811 goto ignore_joinbss_callback
;
814 /*s2. find ptarget_sta & update ptarget_sta*/
815 if (check_fwstate(pmlmepriv
, WIFI_STATION_STATE
)) {
816 if (the_same_macaddr
== true) {
818 r8712_get_stainfo(pstapriv
,
819 pnetwork
->network
.MacAddress
);
820 if (ptarget_sta
== NULL
)
822 r8712_alloc_stainfo(pstapriv
,
823 pnetwork
->network
.MacAddress
);
826 r8712_alloc_stainfo(pstapriv
,
827 pnetwork
->network
.MacAddress
);
828 if (ptarget_sta
) /*update ptarget_sta*/ {
829 ptarget_sta
->aid
= pnetwork
->join_res
;
830 ptarget_sta
->qos_option
= 1;
831 ptarget_sta
->mac_id
= 5;
832 if (adapter
->securitypriv
.
834 adapter
->securitypriv
.
837 adapter
->securitypriv
.
840 adapter
->securitypriv
.
843 ptarget_sta
->ieee8021x_blocked
845 ptarget_sta
->XPrivacy
=
846 adapter
->securitypriv
.
848 memset((u8
*)&ptarget_sta
->
851 sizeof(union Keytype
));
852 memset((u8
*)&ptarget_sta
->
855 sizeof(union Keytype
));
856 memset((u8
*)&ptarget_sta
->
859 sizeof(union Keytype
));
860 memset((u8
*)&ptarget_sta
->
863 memset((u8
*)&ptarget_sta
->
868 if (check_fwstate(pmlmepriv
,
870 pmlmepriv
->fw_state
^=
872 goto ignore_joinbss_callback
;
876 /*s3. update cur_network & indicate connect*/
877 memcpy(&cur_network
->network
, &pnetwork
->network
,
878 pnetwork
->network
.Length
);
879 cur_network
->aid
= pnetwork
->join_res
;
880 /*update fw_state will clr _FW_UNDER_LINKING*/
881 switch (pnetwork
->network
.InfrastructureMode
) {
882 case Ndis802_11Infrastructure
:
883 pmlmepriv
->fw_state
= WIFI_STATION_STATE
;
886 pmlmepriv
->fw_state
= WIFI_ADHOC_STATE
;
889 pmlmepriv
->fw_state
= WIFI_NULL_STATE
;
892 r8712_update_protection(adapter
,
893 (cur_network
->network
.IEs
) +
894 sizeof(struct NDIS_802_11_FIXED_IEs
),
895 (cur_network
->network
.IELength
));
896 /*TODO: update HT_Capability*/
897 update_ht_cap(adapter
, cur_network
->network
.IEs
,
898 cur_network
->network
.IELength
);
900 if (check_fwstate(pmlmepriv
, WIFI_STATION_STATE
)
902 r8712_indicate_connect(adapter
);
903 del_timer(&pmlmepriv
->assoc_timer
);
905 goto ignore_joinbss_callback
;
907 if (check_fwstate(pmlmepriv
, _FW_UNDER_LINKING
) == true) {
908 mod_timer(&pmlmepriv
->assoc_timer
,
909 jiffies
+ msecs_to_jiffies(1));
910 _clr_fwstate_(pmlmepriv
, _FW_UNDER_LINKING
);
913 ignore_joinbss_callback
:
914 spin_unlock_irqrestore(&pmlmepriv
->lock
, irqL
);
915 if (sizeof(struct list_head
) == 4 * sizeof(u32
))
919 void r8712_stassoc_event_callback(struct _adapter
*adapter
, u8
*pbuf
)
922 struct sta_info
*psta
;
923 struct mlme_priv
*pmlmepriv
= &(adapter
->mlmepriv
);
924 struct stassoc_event
*pstassoc
= (struct stassoc_event
*)pbuf
;
927 if (r8712_access_ctrl(&adapter
->acl_list
, pstassoc
->macaddr
) == false)
929 psta
= r8712_get_stainfo(&adapter
->stapriv
, pstassoc
->macaddr
);
931 /*the sta have been in sta_info_queue => do nothing
932 *(between drv has received this event before and
933 * fw have not yet to set key to CAM_ENTRY) */
937 psta
= r8712_alloc_stainfo(&adapter
->stapriv
, pstassoc
->macaddr
);
940 /* to do : init sta_info variable */
941 psta
->qos_option
= 0;
942 psta
->mac_id
= le32_to_cpu((uint
)pstassoc
->cam_id
);
943 /* psta->aid = (uint)pstassoc->cam_id; */
945 if (adapter
->securitypriv
.AuthAlgrthm
== 2)
946 psta
->XPrivacy
= adapter
->securitypriv
.PrivacyAlgrthm
;
947 psta
->ieee8021x_blocked
= false;
948 spin_lock_irqsave(&pmlmepriv
->lock
, irqL
);
949 if ((check_fwstate(pmlmepriv
, WIFI_ADHOC_MASTER_STATE
) == true) ||
950 (check_fwstate(pmlmepriv
, WIFI_ADHOC_STATE
) == true)) {
951 if (adapter
->stapriv
.asoc_sta_count
== 2) {
952 /* a sta + bc/mc_stainfo (not Ibss_stainfo) */
953 r8712_indicate_connect(adapter
);
956 spin_unlock_irqrestore(&pmlmepriv
->lock
, irqL
);
959 void r8712_stadel_event_callback(struct _adapter
*adapter
, u8
*pbuf
)
961 unsigned long irqL
, irqL2
;
962 struct sta_info
*psta
;
963 struct wlan_network
*pwlan
= NULL
;
964 struct wlan_bssid_ex
*pdev_network
= NULL
;
966 struct mlme_priv
*pmlmepriv
= &adapter
->mlmepriv
;
967 struct stadel_event
*pstadel
= (struct stadel_event
*)pbuf
;
968 struct sta_priv
*pstapriv
= &adapter
->stapriv
;
969 struct wlan_network
*tgt_network
= &pmlmepriv
->cur_network
;
971 spin_lock_irqsave(&pmlmepriv
->lock
, irqL2
);
972 if (check_fwstate(pmlmepriv
, WIFI_STATION_STATE
) == true) {
973 r8712_ind_disconnect(adapter
);
974 r8712_free_assoc_resources(adapter
);
976 if (check_fwstate(pmlmepriv
, WIFI_ADHOC_MASTER_STATE
|
978 psta
= r8712_get_stainfo(&adapter
->stapriv
, pstadel
->macaddr
);
979 spin_lock_irqsave(&pstapriv
->sta_hash_lock
, irqL
);
980 r8712_free_stainfo(adapter
, psta
);
981 spin_unlock_irqrestore(&pstapriv
->sta_hash_lock
, irqL
);
982 if (adapter
->stapriv
.asoc_sta_count
== 1) {
983 /*a sta + bc/mc_stainfo (not Ibss_stainfo) */
984 pwlan
= r8712_find_network(&pmlmepriv
->scanned_queue
,
985 tgt_network
->network
.MacAddress
);
987 pwlan
->fixed
= false;
988 free_network_nolock(pmlmepriv
, pwlan
);
991 pdev_network
= &(adapter
->registrypriv
.dev_network
);
992 pibss
= adapter
->registrypriv
.dev_network
.MacAddress
;
993 memcpy(pdev_network
, &tgt_network
->network
,
994 r8712_get_wlan_bssid_ex_sz(&tgt_network
->
996 memcpy(&pdev_network
->Ssid
,
997 &pmlmepriv
->assoc_ssid
,
998 sizeof(struct ndis_802_11_ssid
));
999 r8712_update_registrypriv_dev_network(adapter
);
1000 r8712_generate_random_ibss(pibss
);
1001 if (check_fwstate(pmlmepriv
, WIFI_ADHOC_STATE
)) {
1002 _clr_fwstate_(pmlmepriv
, WIFI_ADHOC_STATE
);
1003 set_fwstate(pmlmepriv
, WIFI_ADHOC_MASTER_STATE
);
1007 spin_unlock_irqrestore(&pmlmepriv
->lock
, irqL2
);
1010 void r8712_cpwm_event_callback(struct _adapter
*adapter
, u8
*pbuf
)
1012 struct reportpwrstate_parm
*preportpwrstate
=
1013 (struct reportpwrstate_parm
*)pbuf
;
1015 preportpwrstate
->state
|= (u8
)(adapter
->pwrctrlpriv
.cpwm_tog
+ 0x80);
1016 r8712_cpwm_int_hdl(adapter
, preportpwrstate
);
1019 /* When the Netgear 3500 AP is with WPA2PSK-AES mode, it will send
1020 * the ADDBA req frame with start seq control = 0 to wifi client after
1021 * the WPA handshake and the seqence number of following data packet
1022 * will be 0. In this case, the Rx reorder sequence is not longer than 0
1023 * and the WiFi client will drop the data with seq number 0.
1024 * So, the 8712 firmware has to inform driver with receiving the
1025 * ADDBA-Req frame so that the driver can reset the
1026 * sequence value of Rx reorder control.
1028 void r8712_got_addbareq_event_callback(struct _adapter
*adapter
, u8
*pbuf
)
1030 struct ADDBA_Req_Report_parm
*pAddbareq_pram
=
1031 (struct ADDBA_Req_Report_parm
*)pbuf
;
1032 struct sta_info
*psta
;
1033 struct sta_priv
*pstapriv
= &adapter
->stapriv
;
1034 struct recv_reorder_ctrl
*precvreorder_ctrl
= NULL
;
1036 psta
= r8712_get_stainfo(pstapriv
, pAddbareq_pram
->MacAddress
);
1039 &psta
->recvreorder_ctrl
[pAddbareq_pram
->tid
];
1040 /* set the indicate_seq to 0xffff so that the rx reorder
1041 * can store any following data packet.
1043 precvreorder_ctrl
->indicate_seq
= 0xffff;
1047 void r8712_wpspbc_event_callback(struct _adapter
*adapter
, u8
*pbuf
)
1049 if (adapter
->securitypriv
.wps_hw_pbc_pressed
== false)
1050 adapter
->securitypriv
.wps_hw_pbc_pressed
= true;
1053 void _r8712_sitesurvey_ctrl_handler(struct _adapter
*adapter
)
1055 struct mlme_priv
*pmlmepriv
= &adapter
->mlmepriv
;
1056 struct sitesurvey_ctrl
*psitesurveyctrl
= &pmlmepriv
->sitesurveyctrl
;
1057 struct registry_priv
*pregistrypriv
= &adapter
->registrypriv
;
1058 u64 current_tx_pkts
;
1059 uint current_rx_pkts
;
1061 current_tx_pkts
= (adapter
->xmitpriv
.tx_pkts
) -
1062 (psitesurveyctrl
->last_tx_pkts
);
1063 current_rx_pkts
= (adapter
->recvpriv
.rx_pkts
) -
1064 (psitesurveyctrl
->last_rx_pkts
);
1065 psitesurveyctrl
->last_tx_pkts
= adapter
->xmitpriv
.tx_pkts
;
1066 psitesurveyctrl
->last_rx_pkts
= adapter
->recvpriv
.rx_pkts
;
1067 if ((current_tx_pkts
> pregistrypriv
->busy_thresh
) ||
1068 (current_rx_pkts
> pregistrypriv
->busy_thresh
))
1069 psitesurveyctrl
->traffic_busy
= true;
1071 psitesurveyctrl
->traffic_busy
= false;
1074 void _r8712_join_timeout_handler(struct _adapter
*adapter
)
1077 struct mlme_priv
*pmlmepriv
= &adapter
->mlmepriv
;
1079 if (adapter
->bDriverStopped
|| adapter
->bSurpriseRemoved
)
1081 spin_lock_irqsave(&pmlmepriv
->lock
, irqL
);
1082 _clr_fwstate_(pmlmepriv
, _FW_UNDER_LINKING
);
1083 pmlmepriv
->to_join
= false;
1084 if (check_fwstate(pmlmepriv
, _FW_LINKED
) == true) {
1085 r8712_os_indicate_disconnect(adapter
);
1086 _clr_fwstate_(pmlmepriv
, _FW_LINKED
);
1088 if (adapter
->pwrctrlpriv
.pwr_mode
!= adapter
->registrypriv
.power_mgnt
) {
1089 r8712_set_ps_mode(adapter
, adapter
->registrypriv
.power_mgnt
,
1090 adapter
->registrypriv
.smart_ps
);
1092 spin_unlock_irqrestore(&pmlmepriv
->lock
, irqL
);
1095 void r8712_scan_timeout_handler (struct _adapter
*adapter
)
1098 struct mlme_priv
*pmlmepriv
= &adapter
->mlmepriv
;
1100 spin_lock_irqsave(&pmlmepriv
->lock
, irqL
);
1101 _clr_fwstate_(pmlmepriv
, _FW_UNDER_SURVEY
);
1102 pmlmepriv
->to_join
= false; /* scan fail, so clear to_join flag */
1103 spin_unlock_irqrestore(&pmlmepriv
->lock
, irqL
);
1106 void _r8712_dhcp_timeout_handler (struct _adapter
*adapter
)
1108 if (adapter
->bDriverStopped
|| adapter
->bSurpriseRemoved
)
1110 if (adapter
->pwrctrlpriv
.pwr_mode
!= adapter
->registrypriv
.power_mgnt
)
1111 r8712_set_ps_mode(adapter
, adapter
->registrypriv
.power_mgnt
,
1112 adapter
->registrypriv
.smart_ps
);
1115 void _r8712_wdg_timeout_handler(struct _adapter
*adapter
)
1117 r8712_wdg_wk_cmd(adapter
);
1120 int r8712_select_and_join_from_scan(struct mlme_priv
*pmlmepriv
)
1122 struct list_head
*phead
;
1123 unsigned char *dst_ssid
, *src_ssid
;
1124 struct _adapter
*adapter
;
1125 struct __queue
*queue
= NULL
;
1126 struct wlan_network
*pnetwork
= NULL
;
1127 struct wlan_network
*pnetwork_max_rssi
= NULL
;
1129 adapter
= (struct _adapter
*)pmlmepriv
->nic_hdl
;
1130 queue
= &pmlmepriv
->scanned_queue
;
1131 phead
= &queue
->queue
;
1132 pmlmepriv
->pscanned
= phead
->next
;
1134 if (end_of_queue_search(phead
, pmlmepriv
->pscanned
) == true) {
1135 if ((pmlmepriv
->assoc_by_rssi
== true) &&
1136 (pnetwork_max_rssi
!= NULL
)) {
1137 pnetwork
= pnetwork_max_rssi
;
1138 goto ask_for_joinbss
;
1142 pnetwork
= LIST_CONTAINOR(pmlmepriv
->pscanned
,
1143 struct wlan_network
, list
);
1144 if (pnetwork
== NULL
)
1146 pmlmepriv
->pscanned
= pmlmepriv
->pscanned
->next
;
1147 if (pmlmepriv
->assoc_by_bssid
== true) {
1148 dst_ssid
= pnetwork
->network
.MacAddress
;
1149 src_ssid
= pmlmepriv
->assoc_bssid
;
1150 if (!memcmp(dst_ssid
, src_ssid
, ETH_ALEN
)) {
1151 if (check_fwstate(pmlmepriv
, _FW_LINKED
)) {
1152 if (is_same_network(&pmlmepriv
->
1153 cur_network
.network
,
1154 &pnetwork
->network
)) {
1155 _clr_fwstate_(pmlmepriv
,
1157 /*r8712_indicate_connect again*/
1158 r8712_indicate_connect(adapter
);
1161 r8712_disassoc_cmd(adapter
);
1162 r8712_ind_disconnect(adapter
);
1163 r8712_free_assoc_resources(adapter
);
1165 goto ask_for_joinbss
;
1167 } else if (pmlmepriv
->assoc_ssid
.SsidLength
== 0)
1168 goto ask_for_joinbss
;
1169 dst_ssid
= pnetwork
->network
.Ssid
.Ssid
;
1170 src_ssid
= pmlmepriv
->assoc_ssid
.Ssid
;
1171 if ((pnetwork
->network
.Ssid
.SsidLength
==
1172 pmlmepriv
->assoc_ssid
.SsidLength
) &&
1173 (!memcmp(dst_ssid
, src_ssid
,
1174 pmlmepriv
->assoc_ssid
.SsidLength
))) {
1175 if (pmlmepriv
->assoc_by_rssi
== true) {
1176 /* if the ssid is the same, select the bss
1177 * which has the max rssi*/
1178 if (pnetwork_max_rssi
) {
1179 if (pnetwork
->network
.Rssi
>
1180 pnetwork_max_rssi
->network
.Rssi
)
1181 pnetwork_max_rssi
= pnetwork
;
1183 pnetwork_max_rssi
= pnetwork
;
1184 } else if (is_desired_network(adapter
, pnetwork
)) {
1185 if (check_fwstate(pmlmepriv
, _FW_LINKED
)) {
1186 r8712_disassoc_cmd(adapter
);
1187 r8712_free_assoc_resources(adapter
);
1189 goto ask_for_joinbss
;
1195 return r8712_joinbss_cmd(adapter
, pnetwork
);
1198 sint
r8712_set_auth(struct _adapter
*adapter
,
1199 struct security_priv
*psecuritypriv
)
1201 struct cmd_priv
*pcmdpriv
= &adapter
->cmdpriv
;
1202 struct cmd_obj
*pcmd
;
1203 struct setauth_parm
*psetauthparm
;
1205 pcmd
= kmalloc(sizeof(*pcmd
), GFP_ATOMIC
);
1209 psetauthparm
= kzalloc(sizeof(*psetauthparm
), GFP_ATOMIC
);
1210 if (psetauthparm
== NULL
) {
1214 psetauthparm
->mode
= (u8
)psecuritypriv
->AuthAlgrthm
;
1215 pcmd
->cmdcode
= _SetAuth_CMD_
;
1216 pcmd
->parmbuf
= (unsigned char *)psetauthparm
;
1217 pcmd
->cmdsz
= sizeof(struct setauth_parm
);
1220 INIT_LIST_HEAD(&pcmd
->list
);
1221 r8712_enqueue_cmd(pcmdpriv
, pcmd
);
1225 sint
r8712_set_key(struct _adapter
*adapter
,
1226 struct security_priv
*psecuritypriv
,
1229 struct cmd_priv
*pcmdpriv
= &adapter
->cmdpriv
;
1230 struct cmd_obj
*pcmd
;
1231 struct setkey_parm
*psetkeyparm
;
1233 sint ret
= _SUCCESS
;
1235 pcmd
= kmalloc(sizeof(*pcmd
), GFP_ATOMIC
);
1238 psetkeyparm
= kzalloc(sizeof(*psetkeyparm
), GFP_ATOMIC
);
1239 if (psetkeyparm
== NULL
) {
1243 if (psecuritypriv
->AuthAlgrthm
== 2) { /* 802.1X */
1244 psetkeyparm
->algorithm
=
1245 (u8
)psecuritypriv
->XGrpPrivacy
;
1247 psetkeyparm
->algorithm
=
1248 (u8
)psecuritypriv
->PrivacyAlgrthm
;
1250 psetkeyparm
->keyid
= (u8
)keyid
;
1252 switch (psetkeyparm
->algorithm
) {
1255 memcpy(psetkeyparm
->key
,
1256 psecuritypriv
->DefKey
[keyid
].skey
, keylen
);
1260 memcpy(psetkeyparm
->key
,
1261 psecuritypriv
->DefKey
[keyid
].skey
, keylen
);
1264 if (keyid
< 1 || keyid
> 2) {
1269 memcpy(psetkeyparm
->key
,
1270 &psecuritypriv
->XGrpKey
[keyid
- 1], keylen
);
1271 psetkeyparm
->grpkey
= 1;
1274 if (keyid
< 1 || keyid
> 2) {
1279 memcpy(psetkeyparm
->key
,
1280 &psecuritypriv
->XGrpKey
[keyid
- 1], keylen
);
1281 psetkeyparm
->grpkey
= 1;
1287 pcmd
->cmdcode
= _SetKey_CMD_
;
1288 pcmd
->parmbuf
= (u8
*)psetkeyparm
;
1289 pcmd
->cmdsz
= (sizeof(struct setkey_parm
));
1292 INIT_LIST_HEAD(&pcmd
->list
);
1293 r8712_enqueue_cmd(pcmdpriv
, pcmd
);
1303 /* adjust IEs for r8712_joinbss_cmd in WMM */
1304 int r8712_restruct_wmm_ie(struct _adapter
*adapter
, u8
*in_ie
, u8
*out_ie
,
1305 uint in_len
, uint initial_out_len
)
1307 unsigned int ielength
= 0;
1310 i
= 12; /* after the fixed IE */
1311 while (i
< in_len
) {
1312 ielength
= initial_out_len
;
1313 if (in_ie
[i
] == 0xDD && in_ie
[i
+ 2] == 0x00 &&
1314 in_ie
[i
+ 3] == 0x50 && in_ie
[i
+ 4] == 0xF2 &&
1315 in_ie
[i
+ 5] == 0x02 && i
+ 5 < in_len
) {
1316 /*WMM element ID and OUI*/
1317 for (j
= i
; j
< i
+ 9; j
++) {
1318 out_ie
[ielength
] = in_ie
[j
];
1321 out_ie
[initial_out_len
+ 1] = 0x07;
1322 out_ie
[initial_out_len
+ 6] = 0x00;
1323 out_ie
[initial_out_len
+ 8] = 0x00;
1326 i
+= (in_ie
[i
+ 1] + 2); /* to the next IE element */
1332 * Ported from 8185: IsInPreAuthKeyList().
1336 * -1 :if there is no pre-auth key in the table
1337 * >=0 :if there is pre-auth key, and return the entry id
1339 static int SecIsInPMKIDList(struct _adapter
*Adapter
, u8
*bssid
)
1341 struct security_priv
*psecuritypriv
= &Adapter
->securitypriv
;
1345 if (psecuritypriv
->PMKIDList
[i
].bUsed
&&
1346 (!memcmp(psecuritypriv
->PMKIDList
[i
].Bssid
,
1351 } while (i
< NUM_PMKID_CACHE
);
1353 if (i
== NUM_PMKID_CACHE
) {
1354 i
= -1; /* Could not find. */
1356 ; /* There is one Pre-Authentication Key for the
1357 * specific BSSID. */
1362 sint
r8712_restruct_sec_ie(struct _adapter
*adapter
, u8
*in_ie
,
1363 u8
*out_ie
, uint in_len
)
1365 u8 authmode
= 0, match
;
1366 u8 sec_ie
[255], uncst_oui
[4], bkup_ie
[255];
1367 u8 wpa_oui
[4] = {0x0, 0x50, 0xf2, 0x01};
1368 uint ielength
, cnt
, remove_cnt
;
1370 struct mlme_priv
*pmlmepriv
= &adapter
->mlmepriv
;
1371 struct security_priv
*psecuritypriv
= &adapter
->securitypriv
;
1372 uint ndisauthmode
= psecuritypriv
->ndisauthtype
;
1373 uint ndissecuritytype
= psecuritypriv
->ndisencryptstatus
;
1375 if ((ndisauthmode
== Ndis802_11AuthModeWPA
) ||
1376 (ndisauthmode
== Ndis802_11AuthModeWPAPSK
)) {
1377 authmode
= _WPA_IE_ID_
;
1379 uncst_oui
[1] = 0x50;
1380 uncst_oui
[2] = 0xf2;
1382 if ((ndisauthmode
== Ndis802_11AuthModeWPA2
) ||
1383 (ndisauthmode
== Ndis802_11AuthModeWPA2PSK
)) {
1384 authmode
= _WPA2_IE_ID_
;
1386 uncst_oui
[1] = 0x0f;
1387 uncst_oui
[2] = 0xac;
1389 switch (ndissecuritytype
) {
1390 case Ndis802_11Encryption1Enabled
:
1391 case Ndis802_11Encryption1KeyAbsent
:
1394 case Ndis802_11Encryption2Enabled
:
1395 case Ndis802_11Encryption2KeyAbsent
:
1398 case Ndis802_11Encryption3Enabled
:
1399 case Ndis802_11Encryption3KeyAbsent
:
1405 /*Search required WPA or WPA2 IE and copy to sec_ie[] */
1408 while (cnt
< in_len
) {
1409 if (in_ie
[cnt
] == authmode
) {
1410 if ((authmode
== _WPA_IE_ID_
) &&
1411 (!memcmp(&in_ie
[cnt
+2], &wpa_oui
[0], 4))) {
1412 memcpy(&sec_ie
[0], &in_ie
[cnt
],
1413 in_ie
[cnt
+ 1] + 2);
1417 if (authmode
== _WPA2_IE_ID_
) {
1418 memcpy(&sec_ie
[0], &in_ie
[cnt
],
1419 in_ie
[cnt
+ 1] + 2);
1423 if (((authmode
== _WPA_IE_ID_
) &&
1424 (!memcmp(&in_ie
[cnt
+ 2], &wpa_oui
[0], 4))) ||
1425 (authmode
== _WPA2_IE_ID_
))
1426 memcpy(&bkup_ie
[0], &in_ie
[cnt
],
1427 in_ie
[cnt
+ 1] + 2);
1429 cnt
+= in_ie
[cnt
+1] + 2; /*get next*/
1431 /*restruct WPA IE or WPA2 IE in sec_ie[] */
1432 if (match
== true) {
1433 if (sec_ie
[0] == _WPA_IE_ID_
) {
1434 /* parsing SSN IE to select required encryption
1435 * algorithm, and set the bc/mc encryption algorithm */
1437 /*check wpa_oui tag*/
1438 if (memcmp(&sec_ie
[2], &wpa_oui
[0], 4)) {
1442 if ((sec_ie
[6] != 0x01) || (sec_ie
[7] != 0x0)) {
1447 if (!memcmp(&sec_ie
[8], &wpa_oui
[0], 3)) {
1448 /* get bc/mc encryption type (group
1450 switch (sec_ie
[11]) {
1452 psecuritypriv
->XGrpPrivacy
=
1455 case 0x1: /*WEP_40*/
1456 psecuritypriv
->XGrpPrivacy
=
1460 psecuritypriv
->XGrpPrivacy
=
1463 case 0x3: /*AESCCMP*/
1465 psecuritypriv
->XGrpPrivacy
=
1468 case 0x5: /*WEP_104*/
1469 psecuritypriv
->XGrpPrivacy
=
1477 if (sec_ie
[12] == 0x01) {
1478 /*check the unicast encryption type*/
1479 if (memcmp(&sec_ie
[14],
1480 &uncst_oui
[0], 4)) {
1484 } /*else the uncst_oui is match*/
1485 } else { /*mixed mode, unicast_enc_type > 1*/
1486 /*select the uncst_oui and remove
1487 * the other uncst_oui*/
1489 remove_cnt
= (cnt
-1) * 4;
1491 memcpy(&sec_ie
[14], &uncst_oui
[0], 4);
1492 /*remove the other unicast suit*/
1494 &sec_ie
[18 + remove_cnt
],
1495 sec_ie
[1] - 18 + 2 -
1497 sec_ie
[1] = sec_ie
[1] - remove_cnt
;
1502 if (authmode
== _WPA2_IE_ID_
) {
1503 /* parsing RSN IE to select required encryption
1504 * algorithm, and set the bc/mc encryption algorithm */
1506 if ((sec_ie
[2] != 0x01) || (sec_ie
[3] != 0x0)) {
1511 if (!memcmp(&sec_ie
[4], &uncst_oui
[0], 3)) {
1512 /*get bc/mc encryption type*/
1513 switch (sec_ie
[7]) {
1514 case 0x1: /*WEP_40*/
1515 psecuritypriv
->XGrpPrivacy
=
1519 psecuritypriv
->XGrpPrivacy
=
1522 case 0x4: /*AESWRAP*/
1523 psecuritypriv
->XGrpPrivacy
=
1526 case 0x5: /*WEP_104*/
1527 psecuritypriv
->XGrpPrivacy
=
1531 psecuritypriv
->XGrpPrivacy
=
1539 if (sec_ie
[8] == 0x01) {
1540 /*check the unicast encryption type*/
1541 if (memcmp(&sec_ie
[10],
1542 &uncst_oui
[0], 4)) {
1545 } /*else the uncst_oui is match*/
1546 } else { /*mixed mode, unicast_enc_type > 1*/
1547 /*select the uncst_oui and remove the
1550 remove_cnt
= (cnt
-1)*4;
1552 memcpy(&sec_ie
[10], &uncst_oui
[0], 4);
1553 /*remove the other unicast suit*/
1555 &sec_ie
[14 + remove_cnt
],
1556 (sec_ie
[1] - 14 + 2 -
1558 sec_ie
[1] = sec_ie
[1]-remove_cnt
;
1564 if ((authmode
== _WPA_IE_ID_
) || (authmode
== _WPA2_IE_ID_
)) {
1566 memcpy(out_ie
, in_ie
, 12);
1569 if (match
== true) {
1570 memcpy(&out_ie
[ielength
], &sec_ie
[0], sec_ie
[1]+2);
1571 ielength
+= sec_ie
[1] + 2;
1572 if (authmode
== _WPA2_IE_ID_
) {
1573 /*the Pre-Authentication bit should be zero*/
1574 out_ie
[ielength
- 1] = 0;
1575 out_ie
[ielength
- 2] = 0;
1577 r8712_report_sec_ie(adapter
, authmode
, sec_ie
);
1580 /*copy fixed ie only*/
1581 memcpy(out_ie
, in_ie
, 12);
1583 if (psecuritypriv
->wps_phase
== true) {
1584 memcpy(out_ie
+ielength
, psecuritypriv
->wps_ie
,
1585 psecuritypriv
->wps_ie_len
);
1586 ielength
+= psecuritypriv
->wps_ie_len
;
1589 iEntry
= SecIsInPMKIDList(adapter
, pmlmepriv
->assoc_bssid
);
1592 if (authmode
== _WPA2_IE_ID_
) {
1593 out_ie
[ielength
] = 1;
1595 out_ie
[ielength
] = 0; /*PMKID count = 0x0100*/
1597 memcpy(&out_ie
[ielength
],
1598 &psecuritypriv
->PMKIDList
[iEntry
].PMKID
, 16);
1600 out_ie
[13] += 18;/*PMKID length = 2+16*/
1605 void r8712_init_registrypriv_dev_network(struct _adapter
*adapter
)
1607 struct registry_priv
*pregistrypriv
= &adapter
->registrypriv
;
1608 struct eeprom_priv
*peepriv
= &adapter
->eeprompriv
;
1609 struct wlan_bssid_ex
*pdev_network
= &pregistrypriv
->dev_network
;
1610 u8
*myhwaddr
= myid(peepriv
);
1612 memcpy(pdev_network
->MacAddress
, myhwaddr
, ETH_ALEN
);
1613 memcpy(&pdev_network
->Ssid
, &pregistrypriv
->ssid
,
1614 sizeof(struct ndis_802_11_ssid
));
1615 pdev_network
->Configuration
.Length
=
1616 sizeof(struct NDIS_802_11_CONFIGURATION
);
1617 pdev_network
->Configuration
.BeaconPeriod
= 100;
1618 pdev_network
->Configuration
.FHConfig
.Length
= 0;
1619 pdev_network
->Configuration
.FHConfig
.HopPattern
= 0;
1620 pdev_network
->Configuration
.FHConfig
.HopSet
= 0;
1621 pdev_network
->Configuration
.FHConfig
.DwellTime
= 0;
1624 void r8712_update_registrypriv_dev_network(struct _adapter
*adapter
)
1627 struct registry_priv
*pregistrypriv
= &adapter
->registrypriv
;
1628 struct wlan_bssid_ex
*pdev_network
= &pregistrypriv
->dev_network
;
1629 struct security_priv
*psecuritypriv
= &adapter
->securitypriv
;
1630 struct wlan_network
*cur_network
= &adapter
->mlmepriv
.cur_network
;
1632 pdev_network
->Privacy
= cpu_to_le32(psecuritypriv
->PrivacyAlgrthm
1633 > 0 ? 1 : 0); /* adhoc no 802.1x */
1634 pdev_network
->Rssi
= 0;
1635 switch (pregistrypriv
->wireless_mode
) {
1637 pdev_network
->NetworkTypeInUse
= cpu_to_le32(Ndis802_11DS
);
1641 pdev_network
->NetworkTypeInUse
= cpu_to_le32(Ndis802_11OFDM24
);
1644 pdev_network
->NetworkTypeInUse
= cpu_to_le32(Ndis802_11OFDM5
);
1650 pdev_network
->Configuration
.DSConfig
= cpu_to_le32(
1651 pregistrypriv
->channel
);
1652 if (cur_network
->network
.InfrastructureMode
== Ndis802_11IBSS
)
1653 pdev_network
->Configuration
.ATIMWindow
= cpu_to_le32(3);
1654 pdev_network
->InfrastructureMode
= cpu_to_le32(
1655 cur_network
->network
.InfrastructureMode
);
1656 /* 1. Supported rates
1659 sz
= r8712_generate_ie(pregistrypriv
);
1660 pdev_network
->IELength
= sz
;
1661 pdev_network
->Length
= r8712_get_wlan_bssid_ex_sz(pdev_network
);
1664 /*the function is at passive_level*/
1665 void r8712_joinbss_reset(struct _adapter
*padapter
)
1668 struct mlme_priv
*pmlmepriv
= &padapter
->mlmepriv
;
1669 struct ht_priv
*phtpriv
= &pmlmepriv
->htpriv
;
1671 /* todo: if you want to do something io/reg/hw setting before join_bss,
1672 * please add code here */
1673 phtpriv
->ampdu_enable
= false;/*reset to disabled*/
1674 for (i
= 0; i
< 16; i
++)
1675 phtpriv
->baddbareq_issued
[i
] = false;/*reset it*/
1676 if (phtpriv
->ht_option
) {
1677 /* validate usb rx aggregation */
1678 r8712_write8(padapter
, 0x102500D9, 48);/*TH = 48 pages, 6k*/
1680 /* invalidate usb rx aggregation */
1681 /* TH=1 => means that invalidate usb rx aggregation */
1682 r8712_write8(padapter
, 0x102500D9, 1);
1686 /*the function is >= passive_level*/
1687 unsigned int r8712_restructure_ht_ie(struct _adapter
*padapter
, u8
*in_ie
,
1688 u8
*out_ie
, uint in_len
, uint
*pout_len
)
1692 struct ieee80211_ht_cap ht_capie
;
1693 unsigned char WMM_IE
[] = {0x00, 0x50, 0xf2, 0x02, 0x00, 0x01, 0x00};
1694 struct mlme_priv
*pmlmepriv
= &padapter
->mlmepriv
;
1695 struct qos_priv
*pqospriv
= &pmlmepriv
->qospriv
;
1696 struct ht_priv
*phtpriv
= &pmlmepriv
->htpriv
;
1698 phtpriv
->ht_option
= 0;
1699 p
= r8712_get_ie(in_ie
+12, _HT_CAPABILITY_IE_
, &ielen
, in_len
-12);
1700 if (p
&& (ielen
> 0)) {
1701 if (pqospriv
->qos_option
== 0) {
1702 out_len
= *pout_len
;
1703 r8712_set_ie(out_ie
+out_len
, _VENDOR_SPECIFIC_IE_
,
1704 _WMM_IE_Length_
, WMM_IE
, pout_len
);
1705 pqospriv
->qos_option
= 1;
1707 out_len
= *pout_len
;
1708 memset(&ht_capie
, 0, sizeof(struct ieee80211_ht_cap
));
1709 ht_capie
.cap_info
= IEEE80211_HT_CAP_SUP_WIDTH
|
1710 IEEE80211_HT_CAP_SGI_20
|
1711 IEEE80211_HT_CAP_SGI_40
|
1712 IEEE80211_HT_CAP_TX_STBC
|
1713 IEEE80211_HT_CAP_MAX_AMSDU
|
1714 IEEE80211_HT_CAP_DSSSCCK40
;
1715 ht_capie
.ampdu_params_info
= (IEEE80211_HT_CAP_AMPDU_FACTOR
&
1716 0x03) | (IEEE80211_HT_CAP_AMPDU_DENSITY
& 0x00);
1717 r8712_set_ie(out_ie
+out_len
, _HT_CAPABILITY_IE_
,
1718 sizeof(struct ieee80211_ht_cap
),
1719 (unsigned char *)&ht_capie
, pout_len
);
1720 phtpriv
->ht_option
= 1;
1722 return phtpriv
->ht_option
;
1725 /* the function is > passive_level (in critical_section) */
1726 static void update_ht_cap(struct _adapter
*padapter
, u8
*pie
, uint ie_len
)
1728 u8
*p
, max_ampdu_sz
;
1730 struct sta_info
*bmc_sta
, *psta
;
1731 struct ieee80211_ht_cap
*pht_capie
;
1732 struct recv_reorder_ctrl
*preorder_ctrl
;
1733 struct mlme_priv
*pmlmepriv
= &padapter
->mlmepriv
;
1734 struct ht_priv
*phtpriv
= &pmlmepriv
->htpriv
;
1735 struct registry_priv
*pregistrypriv
= &padapter
->registrypriv
;
1736 struct wlan_network
*pcur_network
= &(pmlmepriv
->cur_network
);
1738 if (!phtpriv
->ht_option
)
1740 /* maybe needs check if ap supports rx ampdu. */
1741 if ((phtpriv
->ampdu_enable
== false) &&
1742 (pregistrypriv
->ampdu_enable
== 1))
1743 phtpriv
->ampdu_enable
= true;
1744 /*check Max Rx A-MPDU Size*/
1746 p
= r8712_get_ie(pie
+ sizeof(struct NDIS_802_11_FIXED_IEs
),
1749 sizeof(struct NDIS_802_11_FIXED_IEs
));
1751 pht_capie
= (struct ieee80211_ht_cap
*)(p
+2);
1752 max_ampdu_sz
= (pht_capie
->ampdu_params_info
&
1753 IEEE80211_HT_CAP_AMPDU_FACTOR
);
1754 /* max_ampdu_sz (kbytes); */
1755 max_ampdu_sz
= 1 << (max_ampdu_sz
+3);
1756 phtpriv
->rx_ampdu_maxlen
= max_ampdu_sz
;
1758 /* for A-MPDU Rx reordering buffer control for bmc_sta & sta_info
1759 * if A-MPDU Rx is enabled, resetting rx_ordering_ctrl
1760 * wstart_b(indicate_seq) to default value=0xffff
1761 * todo: check if AP can send A-MPDU packets
1763 bmc_sta
= r8712_get_bcmc_stainfo(padapter
);
1765 for (i
= 0; i
< 16; i
++) {
1766 preorder_ctrl
= &bmc_sta
->recvreorder_ctrl
[i
];
1767 preorder_ctrl
->indicate_seq
= 0xffff;
1768 preorder_ctrl
->wend_b
= 0xffff;
1771 psta
= r8712_get_stainfo(&padapter
->stapriv
,
1772 pcur_network
->network
.MacAddress
);
1774 for (i
= 0; i
< 16; i
++) {
1775 preorder_ctrl
= &psta
->recvreorder_ctrl
[i
];
1776 preorder_ctrl
->indicate_seq
= 0xffff;
1777 preorder_ctrl
->wend_b
= 0xffff;
1781 p
= r8712_get_ie(pie
+ sizeof(struct NDIS_802_11_FIXED_IEs
),
1782 _HT_ADD_INFO_IE_
, &len
,
1783 ie_len
-sizeof(struct NDIS_802_11_FIXED_IEs
));
1786 void r8712_issue_addbareq_cmd(struct _adapter
*padapter
, int priority
)
1788 struct mlme_priv
*pmlmepriv
= &padapter
->mlmepriv
;
1789 struct ht_priv
*phtpriv
= &pmlmepriv
->htpriv
;
1791 if ((phtpriv
->ht_option
== 1) && (phtpriv
->ampdu_enable
== true)) {
1792 if (phtpriv
->baddbareq_issued
[priority
] == false) {
1793 r8712_addbareq_cmd(padapter
, (u8
)priority
);
1794 phtpriv
->baddbareq_issued
[priority
] = true;