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_IOCTL_SET_C_
31 #include "osdep_service.h"
32 #include "drv_types.h"
33 #include "rtl871x_ioctl_set.h"
34 #include "usb_osintf.h"
37 #define IS_MAC_ADDRESS_BROADCAST(addr) \
39 ((addr[0] == 0xff) && (addr[1] == 0xff) && \
40 (addr[2] == 0xff) && (addr[3] == 0xff) && \
41 (addr[4] == 0xff) && (addr[5] == 0xff)) ? true : false \
44 static u8
validate_ssid(struct ndis_802_11_ssid
*ssid
)
48 if (ssid
->SsidLength
> 32)
50 for (i
= 0; i
< ssid
->SsidLength
; i
++) {
51 /* wifi, printable ascii code must be supported */
52 if (!((ssid
->Ssid
[i
] >= 0x20) && (ssid
->Ssid
[i
] <= 0x7e)))
58 static u8
do_join(struct _adapter
*padapter
)
60 struct list_head
*plist
, *phead
;
62 struct mlme_priv
*pmlmepriv
= &(padapter
->mlmepriv
);
63 struct __queue
*queue
= &(pmlmepriv
->scanned_queue
);
65 phead
= get_list_head(queue
);
66 plist
= get_next(phead
);
67 pmlmepriv
->cur_network
.join_res
= -2;
68 pmlmepriv
->fw_state
|= _FW_UNDER_LINKING
;
69 pmlmepriv
->pscanned
= plist
;
70 pmlmepriv
->to_join
= true;
71 if (_queue_empty(queue
) == true) {
72 if (pmlmepriv
->fw_state
& _FW_UNDER_LINKING
)
73 pmlmepriv
->fw_state
^= _FW_UNDER_LINKING
;
74 /* when set_ssid/set_bssid for do_join(), but scanning queue
75 * is empty we try to issue sitesurvey firstly
77 if (pmlmepriv
->sitesurveyctrl
.traffic_busy
== false)
78 r8712_sitesurvey_cmd(padapter
, &pmlmepriv
->assoc_ssid
);
83 ret
= r8712_select_and_join_from_scan(pmlmepriv
);
85 _set_timer(&pmlmepriv
->assoc_timer
, MAX_JOIN_TIMEOUT
);
87 if (check_fwstate(pmlmepriv
, WIFI_ADHOC_STATE
)) {
88 /* submit r8712_createbss_cmd to change to an
89 * ADHOC_MASTER pmlmepriv->lock has been
90 * acquired by caller...
92 struct wlan_bssid_ex
*pdev_network
=
93 &(padapter
->registrypriv
.dev_network
);
94 pmlmepriv
->fw_state
= WIFI_ADHOC_MASTER_STATE
;
95 pibss
= padapter
->registrypriv
.dev_network
.
97 memset(&pdev_network
->Ssid
, 0,
98 sizeof(struct ndis_802_11_ssid
));
99 memcpy(&pdev_network
->Ssid
,
100 &pmlmepriv
->assoc_ssid
,
101 sizeof(struct ndis_802_11_ssid
));
102 r8712_update_registrypriv_dev_network(padapter
);
103 r8712_generate_random_ibss(pibss
);
104 if (r8712_createbss_cmd(padapter
) != _SUCCESS
)
106 pmlmepriv
->to_join
= false;
108 /* can't associate ; reset under-linking */
109 if (pmlmepriv
->fw_state
& _FW_UNDER_LINKING
)
110 pmlmepriv
->fw_state
^=
112 /* when set_ssid/set_bssid for do_join(), but
113 * there are no desired bss in scanning queue
114 * we try to issue sitesurvey first
116 if (!pmlmepriv
->sitesurveyctrl
.traffic_busy
)
117 r8712_sitesurvey_cmd(padapter
,
118 &pmlmepriv
->assoc_ssid
);
125 u8
r8712_set_802_11_bssid(struct _adapter
*padapter
, u8
*bssid
)
129 struct mlme_priv
*pmlmepriv
= &padapter
->mlmepriv
;
131 if ((bssid
[0] == 0x00 && bssid
[1] == 0x00 && bssid
[2] == 0x00 &&
132 bssid
[3] == 0x00 && bssid
[4] == 0x00 && bssid
[5] == 0x00) ||
133 (bssid
[0] == 0xFF && bssid
[1] == 0xFF && bssid
[2] == 0xFF &&
134 bssid
[3] == 0xFF && bssid
[4] == 0xFF && bssid
[5] == 0xFF)) {
138 spin_lock_irqsave(&pmlmepriv
->lock
, irqL
);
139 if (check_fwstate(pmlmepriv
, _FW_UNDER_SURVEY
|
140 _FW_UNDER_LINKING
) == true) {
141 status
= check_fwstate(pmlmepriv
, _FW_UNDER_LINKING
);
142 goto _Abort_Set_BSSID
;
144 if (check_fwstate(pmlmepriv
,
145 _FW_LINKED
|WIFI_ADHOC_MASTER_STATE
) == true) {
146 if (!memcmp(&pmlmepriv
->cur_network
.network
.MacAddress
, bssid
,
148 if (check_fwstate(pmlmepriv
,
149 WIFI_STATION_STATE
) == false)
150 goto _Abort_Set_BSSID
; /* driver is in
151 * WIFI_ADHOC_MASTER_STATE */
153 r8712_disassoc_cmd(padapter
);
154 if (check_fwstate(pmlmepriv
, _FW_LINKED
) == true)
155 r8712_ind_disconnect(padapter
);
156 r8712_free_assoc_resources(padapter
);
157 if ((check_fwstate(pmlmepriv
,
158 WIFI_ADHOC_MASTER_STATE
))) {
159 _clr_fwstate_(pmlmepriv
,
160 WIFI_ADHOC_MASTER_STATE
);
161 set_fwstate(pmlmepriv
, WIFI_ADHOC_STATE
);
165 memcpy(&pmlmepriv
->assoc_bssid
, bssid
, ETH_ALEN
);
166 pmlmepriv
->assoc_by_bssid
= true;
167 status
= do_join(padapter
);
171 spin_unlock_irqrestore(&pmlmepriv
->lock
, irqL
);
175 void r8712_set_802_11_ssid(struct _adapter
*padapter
,
176 struct ndis_802_11_ssid
*ssid
)
179 struct mlme_priv
*pmlmepriv
= &padapter
->mlmepriv
;
180 struct wlan_network
*pnetwork
= &pmlmepriv
->cur_network
;
182 if (padapter
->hw_init_completed
== false)
184 spin_lock_irqsave(&pmlmepriv
->lock
, irqL
);
185 if (check_fwstate(pmlmepriv
, _FW_UNDER_SURVEY
|_FW_UNDER_LINKING
)) {
186 check_fwstate(pmlmepriv
, _FW_UNDER_LINKING
);
187 goto _Abort_Set_SSID
;
189 if (check_fwstate(pmlmepriv
, _FW_LINKED
|WIFI_ADHOC_MASTER_STATE
)) {
190 if ((pmlmepriv
->assoc_ssid
.SsidLength
== ssid
->SsidLength
) &&
191 (!memcmp(&pmlmepriv
->assoc_ssid
.Ssid
, ssid
->Ssid
,
192 ssid
->SsidLength
))) {
193 if ((check_fwstate(pmlmepriv
,
194 WIFI_STATION_STATE
) == false)) {
195 if (r8712_is_same_ibss(padapter
,
196 pnetwork
) == false) {
197 /* if in WIFI_ADHOC_MASTER_STATE or
198 * WIFI_ADHOC_STATE, create bss or
201 r8712_disassoc_cmd(padapter
);
202 if (check_fwstate(pmlmepriv
,
204 r8712_ind_disconnect(padapter
);
205 r8712_free_assoc_resources(padapter
);
206 if (check_fwstate(pmlmepriv
,
207 WIFI_ADHOC_MASTER_STATE
)) {
208 _clr_fwstate_(pmlmepriv
,
209 WIFI_ADHOC_MASTER_STATE
);
210 set_fwstate(pmlmepriv
,
214 goto _Abort_Set_SSID
; /* driver is in
215 * WIFI_ADHOC_MASTER_STATE */
218 r8712_disassoc_cmd(padapter
);
219 if (check_fwstate(pmlmepriv
, _FW_LINKED
) == true)
220 r8712_ind_disconnect(padapter
);
221 r8712_free_assoc_resources(padapter
);
222 if (check_fwstate(pmlmepriv
,
223 WIFI_ADHOC_MASTER_STATE
) == true) {
224 _clr_fwstate_(pmlmepriv
,
225 WIFI_ADHOC_MASTER_STATE
);
226 set_fwstate(pmlmepriv
, WIFI_ADHOC_STATE
);
230 if (padapter
->securitypriv
.btkip_countermeasure
== true)
231 goto _Abort_Set_SSID
;
232 if (validate_ssid(ssid
) == false)
233 goto _Abort_Set_SSID
;
234 memcpy(&pmlmepriv
->assoc_ssid
, ssid
, sizeof(struct ndis_802_11_ssid
));
235 pmlmepriv
->assoc_by_bssid
= false;
240 spin_unlock_irqrestore(&pmlmepriv
->lock
, irqL
);
243 u8
r8712_set_802_11_infrastructure_mode(struct _adapter
*padapter
,
244 enum NDIS_802_11_NETWORK_INFRASTRUCTURE networktype
)
247 struct mlme_priv
*pmlmepriv
= &padapter
->mlmepriv
;
248 struct wlan_network
*cur_network
= &pmlmepriv
->cur_network
;
249 enum NDIS_802_11_NETWORK_INFRASTRUCTURE
*pold_state
=
250 &(cur_network
->network
.InfrastructureMode
);
252 if (*pold_state
!= networktype
) {
253 spin_lock_irqsave(&pmlmepriv
->lock
, irqL
);
254 if ((check_fwstate(pmlmepriv
, _FW_LINKED
) == true) ||
255 (*pold_state
== Ndis802_11IBSS
))
256 r8712_disassoc_cmd(padapter
);
257 if (check_fwstate(pmlmepriv
,
258 _FW_LINKED
|WIFI_ADHOC_MASTER_STATE
) == true)
259 r8712_free_assoc_resources(padapter
);
260 if ((check_fwstate(pmlmepriv
, _FW_LINKED
) == true) ||
261 (*pold_state
== Ndis802_11Infrastructure
) ||
262 (*pold_state
== Ndis802_11IBSS
)) {
263 /* will clr Linked_state before this function,
264 * we must have chked whether issue dis-assoc_cmd or
266 r8712_ind_disconnect(padapter
);
268 *pold_state
= networktype
;
269 /* clear WIFI_STATION_STATE; WIFI_AP_STATE; WIFI_ADHOC_STATE;
270 * WIFI_ADHOC_MASTER_STATE */
271 _clr_fwstate_(pmlmepriv
, WIFI_STATION_STATE
| WIFI_AP_STATE
|
272 WIFI_ADHOC_STATE
| WIFI_ADHOC_MASTER_STATE
|
274 switch (networktype
) {
276 set_fwstate(pmlmepriv
, WIFI_ADHOC_STATE
);
278 case Ndis802_11Infrastructure
:
279 set_fwstate(pmlmepriv
, WIFI_STATION_STATE
);
281 case Ndis802_11APMode
:
282 set_fwstate(pmlmepriv
, WIFI_AP_STATE
);
284 case Ndis802_11AutoUnknown
:
285 case Ndis802_11InfrastructureMax
:
288 spin_unlock_irqrestore(&pmlmepriv
->lock
, irqL
);
293 u8
r8712_set_802_11_disassociate(struct _adapter
*padapter
)
296 struct mlme_priv
*pmlmepriv
= &padapter
->mlmepriv
;
298 spin_lock_irqsave(&pmlmepriv
->lock
, irqL
);
299 if (check_fwstate(pmlmepriv
, _FW_LINKED
) == true) {
300 r8712_disassoc_cmd(padapter
);
301 r8712_ind_disconnect(padapter
);
302 r8712_free_assoc_resources(padapter
);
304 spin_unlock_irqrestore(&pmlmepriv
->lock
, irqL
);
308 u8
r8712_set_802_11_bssid_list_scan(struct _adapter
*padapter
)
310 struct mlme_priv
*pmlmepriv
= NULL
;
314 if (padapter
== NULL
)
316 pmlmepriv
= &padapter
->mlmepriv
;
317 if (padapter
->hw_init_completed
== false)
319 spin_lock_irqsave(&pmlmepriv
->lock
, irqL
);
320 if ((check_fwstate(pmlmepriv
, _FW_UNDER_SURVEY
|_FW_UNDER_LINKING
)) ||
321 (pmlmepriv
->sitesurveyctrl
.traffic_busy
== true)) {
322 /* Scan or linking is in progress, do nothing. */
323 ret
= (u8
)check_fwstate(pmlmepriv
, _FW_UNDER_SURVEY
);
325 r8712_free_network_queue(padapter
);
326 ret
= r8712_sitesurvey_cmd(padapter
, NULL
);
328 spin_unlock_irqrestore(&pmlmepriv
->lock
, irqL
);
332 u8
r8712_set_802_11_authentication_mode(struct _adapter
*padapter
,
333 enum NDIS_802_11_AUTHENTICATION_MODE authmode
)
335 struct security_priv
*psecuritypriv
= &padapter
->securitypriv
;
338 psecuritypriv
->ndisauthtype
= authmode
;
339 if (psecuritypriv
->ndisauthtype
> 3)
340 psecuritypriv
->AuthAlgrthm
= 2; /* 802.1x */
341 if (r8712_set_auth(padapter
, psecuritypriv
) == _SUCCESS
)
348 u8
r8712_set_802_11_add_wep(struct _adapter
*padapter
,
349 struct NDIS_802_11_WEP
*wep
)
354 struct security_priv
*psecuritypriv
= &padapter
->securitypriv
;
356 bdefaultkey
= (wep
->KeyIndex
& 0x40000000) > 0 ? false : true;
357 btransmitkey
= (wep
->KeyIndex
& 0x80000000) > 0 ? true : false;
358 keyid
= wep
->KeyIndex
& 0x3fffffff;
359 if (keyid
>= WEP_KEYS
)
361 switch (wep
->KeyLength
) {
363 psecuritypriv
->PrivacyAlgrthm
= _WEP40_
;
366 psecuritypriv
->PrivacyAlgrthm
= _WEP104_
;
369 psecuritypriv
->PrivacyAlgrthm
= _NO_PRIVACY_
;
372 memcpy(psecuritypriv
->DefKey
[keyid
].skey
, &wep
->KeyMaterial
,
374 psecuritypriv
->DefKeylen
[keyid
] = wep
->KeyLength
;
375 psecuritypriv
->PrivacyKeyIndex
= keyid
;
376 if (r8712_set_key(padapter
, psecuritypriv
, keyid
) == _FAIL
)