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 _MLME_OSDEP_C_
31 #include "osdep_service.h"
32 #include "drv_types.h"
33 #include "mlme_osdep.h"
35 static void sitesurvey_ctrl_handler(unsigned long data
)
37 struct _adapter
*adapter
= (struct _adapter
*)data
;
39 _r8712_sitesurvey_ctrl_handler(adapter
);
40 mod_timer(&adapter
->mlmepriv
.sitesurveyctrl
.sitesurvey_ctrl_timer
,
41 jiffies
+ msecs_to_jiffies(3000));
44 static void join_timeout_handler (unsigned long data
)
46 struct _adapter
*adapter
= (struct _adapter
*)data
;
48 _r8712_join_timeout_handler(adapter
);
51 static void _scan_timeout_handler (unsigned long data
)
53 struct _adapter
*adapter
= (struct _adapter
*)data
;
55 r8712_scan_timeout_handler(adapter
);
58 static void dhcp_timeout_handler (unsigned long data
)
60 struct _adapter
*adapter
= (struct _adapter
*)data
;
62 _r8712_dhcp_timeout_handler(adapter
);
65 static void wdg_timeout_handler (unsigned long data
)
67 struct _adapter
*adapter
= (struct _adapter
*)data
;
69 _r8712_wdg_timeout_handler(adapter
);
71 mod_timer(&adapter
->mlmepriv
.wdg_timer
,
72 jiffies
+ msecs_to_jiffies(2000));
75 void r8712_init_mlme_timer(struct _adapter
*padapter
)
77 struct mlme_priv
*pmlmepriv
= &padapter
->mlmepriv
;
79 setup_timer(&pmlmepriv
->assoc_timer
, join_timeout_handler
,
80 (unsigned long)padapter
);
81 setup_timer(&pmlmepriv
->sitesurveyctrl
.sitesurvey_ctrl_timer
,
82 sitesurvey_ctrl_handler
,
83 (unsigned long)padapter
);
84 setup_timer(&pmlmepriv
->scan_to_timer
, _scan_timeout_handler
,
85 (unsigned long)padapter
);
86 setup_timer(&pmlmepriv
->dhcp_timer
, dhcp_timeout_handler
,
87 (unsigned long)padapter
);
88 setup_timer(&pmlmepriv
->wdg_timer
, wdg_timeout_handler
,
89 (unsigned long)padapter
);
92 void r8712_os_indicate_connect(struct _adapter
*adapter
)
94 r8712_indicate_wx_assoc_event(adapter
);
95 netif_carrier_on(adapter
->pnetdev
);
98 static struct RT_PMKID_LIST backupPMKIDList
[NUM_PMKID_CACHE
];
99 void r8712_os_indicate_disconnect(struct _adapter
*adapter
)
101 u8 backupPMKIDIndex
= 0;
102 u8 backupTKIPCountermeasure
= 0x00;
104 r8712_indicate_wx_disassoc_event(adapter
);
105 netif_carrier_off(adapter
->pnetdev
);
106 if (adapter
->securitypriv
.AuthAlgrthm
== 2) { /*/802.1x*/
107 /* We have to backup the PMK information for WiFi PMK Caching
108 * test item. Backup the btkip_countermeasure information.
109 * When the countermeasure is trigger, the driver have to
110 * disconnect with AP for 60 seconds.
113 memcpy(&backupPMKIDList
[0], &adapter
->securitypriv
.
114 PMKIDList
[0], sizeof(struct RT_PMKID_LIST
) *
116 backupPMKIDIndex
= adapter
->securitypriv
.PMKIDIndex
;
117 backupTKIPCountermeasure
= adapter
->securitypriv
.
118 btkip_countermeasure
;
119 memset((unsigned char *)&adapter
->securitypriv
, 0,
120 sizeof(struct security_priv
));
121 setup_timer(&adapter
->securitypriv
.tkip_timer
,
122 r8712_use_tkipkey_handler
,
123 (unsigned long)adapter
);
124 /* Restore the PMK information to securitypriv structure
125 * for the following connection.
127 memcpy(&adapter
->securitypriv
.PMKIDList
[0],
129 sizeof(struct RT_PMKID_LIST
) * NUM_PMKID_CACHE
);
130 adapter
->securitypriv
.PMKIDIndex
= backupPMKIDIndex
;
131 adapter
->securitypriv
.btkip_countermeasure
=
132 backupTKIPCountermeasure
;
133 } else { /*reset values in securitypriv*/
134 struct security_priv
*psec_priv
= &adapter
->securitypriv
;
136 psec_priv
->AuthAlgrthm
= 0; /*open system*/
137 psec_priv
->PrivacyAlgrthm
= _NO_PRIVACY_
;
138 psec_priv
->PrivacyKeyIndex
= 0;
139 psec_priv
->XGrpPrivacy
= _NO_PRIVACY_
;
140 psec_priv
->XGrpKeyid
= 1;
141 psec_priv
->ndisauthtype
= Ndis802_11AuthModeOpen
;
142 psec_priv
->ndisencryptstatus
= Ndis802_11WEPDisabled
;
143 psec_priv
->wps_phase
= false;
147 void r8712_report_sec_ie(struct _adapter
*adapter
, u8 authmode
, u8
*sec_ie
)
151 union iwreq_data wrqu
;
154 if (authmode
== _WPA_IE_ID_
) {
155 buff
= kzalloc(IW_CUSTOM_MAX
, GFP_ATOMIC
);
159 p
+= sprintf(p
, "ASSOCINFO(ReqIEs=");
161 len
= (len
< IW_CUSTOM_MAX
) ? len
: IW_CUSTOM_MAX
- 1;
162 for (i
= 0; i
< len
; i
++)
163 p
+= sprintf(p
, "%02x", sec_ie
[i
]);
164 p
+= sprintf(p
, ")");
165 memset(&wrqu
, 0, sizeof(wrqu
));
166 wrqu
.data
.length
= p
- buff
;
167 wrqu
.data
.length
= (wrqu
.data
.length
< IW_CUSTOM_MAX
) ?
168 wrqu
.data
.length
: IW_CUSTOM_MAX
;
169 wireless_send_event(adapter
->pnetdev
, IWEVCUSTOM
, &wrqu
, buff
);