/******************************************************************************
|
* mlme_linux.c
|
*
|
* Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
|
* Linux device driver for RTL8192SU
|
*
|
* This program is free software; you can redistribute it and/or modify it
|
* under the terms of version 2 of the GNU General Public License as
|
* published by the Free Software Foundation.
|
*
|
* This program is distributed in the hope that it will be useful, but WITHOUT
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
* more details.
|
*
|
* You should have received a copy of the GNU General Public License along with
|
* this program; if not, write to the Free Software Foundation, Inc.,
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
|
*
|
* Modifications for inclusion into the Linux staging tree are
|
* Copyright(c) 2010 Larry Finger. All rights reserved.
|
*
|
* Contact information:
|
* WLAN FAE <wlanfae@realtek.com>.
|
* Larry Finger <Larry.Finger@lwfinger.net>
|
*
|
******************************************************************************/
|
|
#define _MLME_OSDEP_C_
|
|
#include "osdep_service.h"
|
#include "drv_types.h"
|
#include "mlme_osdep.h"
|
|
static void sitesurvey_ctrl_handler(struct timer_list *t)
|
{
|
struct _adapter *adapter =
|
from_timer(adapter, t,
|
mlmepriv.sitesurveyctrl.sitesurvey_ctrl_timer);
|
|
_r8712_sitesurvey_ctrl_handler(adapter);
|
mod_timer(&adapter->mlmepriv.sitesurveyctrl.sitesurvey_ctrl_timer,
|
jiffies + msecs_to_jiffies(3000));
|
}
|
|
static void join_timeout_handler (struct timer_list *t)
|
{
|
struct _adapter *adapter =
|
from_timer(adapter, t, mlmepriv.assoc_timer);
|
|
_r8712_join_timeout_handler(adapter);
|
}
|
|
static void _scan_timeout_handler (struct timer_list *t)
|
{
|
struct _adapter *adapter =
|
from_timer(adapter, t, mlmepriv.scan_to_timer);
|
|
r8712_scan_timeout_handler(adapter);
|
}
|
|
static void dhcp_timeout_handler (struct timer_list *t)
|
{
|
struct _adapter *adapter =
|
from_timer(adapter, t, mlmepriv.dhcp_timer);
|
|
_r8712_dhcp_timeout_handler(adapter);
|
}
|
|
static void wdg_timeout_handler (struct timer_list *t)
|
{
|
struct _adapter *adapter =
|
from_timer(adapter, t, mlmepriv.wdg_timer);
|
|
_r8712_wdg_timeout_handler(adapter);
|
|
mod_timer(&adapter->mlmepriv.wdg_timer,
|
jiffies + msecs_to_jiffies(2000));
|
}
|
|
void r8712_init_mlme_timer(struct _adapter *padapter)
|
{
|
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
|
|
timer_setup(&pmlmepriv->assoc_timer, join_timeout_handler, 0);
|
timer_setup(&pmlmepriv->sitesurveyctrl.sitesurvey_ctrl_timer,
|
sitesurvey_ctrl_handler, 0);
|
timer_setup(&pmlmepriv->scan_to_timer, _scan_timeout_handler, 0);
|
timer_setup(&pmlmepriv->dhcp_timer, dhcp_timeout_handler, 0);
|
timer_setup(&pmlmepriv->wdg_timer, wdg_timeout_handler, 0);
|
}
|
|
void r8712_os_indicate_connect(struct _adapter *adapter)
|
{
|
r8712_indicate_wx_assoc_event(adapter);
|
netif_carrier_on(adapter->pnetdev);
|
}
|
|
static struct RT_PMKID_LIST backupPMKIDList[NUM_PMKID_CACHE];
|
void r8712_os_indicate_disconnect(struct _adapter *adapter)
|
{
|
u8 backupPMKIDIndex = 0;
|
u8 backupTKIPCountermeasure = 0x00;
|
|
r8712_indicate_wx_disassoc_event(adapter);
|
netif_carrier_off(adapter->pnetdev);
|
if (adapter->securitypriv.AuthAlgrthm == 2) { /*/802.1x*/
|
/* We have to backup the PMK information for WiFi PMK Caching
|
* test item. Backup the btkip_countermeasure information.
|
* When the countermeasure is trigger, the driver have to
|
* disconnect with AP for 60 seconds.
|
*/
|
|
memcpy(&backupPMKIDList[0],
|
&adapter->securitypriv.PMKIDList[0],
|
sizeof(struct RT_PMKID_LIST) * NUM_PMKID_CACHE);
|
backupPMKIDIndex = adapter->securitypriv.PMKIDIndex;
|
backupTKIPCountermeasure =
|
adapter->securitypriv.btkip_countermeasure;
|
memset((unsigned char *)&adapter->securitypriv, 0,
|
sizeof(struct security_priv));
|
timer_setup(&adapter->securitypriv.tkip_timer,
|
r8712_use_tkipkey_handler, 0);
|
/* Restore the PMK information to securitypriv structure
|
* for the following connection.
|
*/
|
memcpy(&adapter->securitypriv.PMKIDList[0],
|
&backupPMKIDList[0],
|
sizeof(struct RT_PMKID_LIST) * NUM_PMKID_CACHE);
|
adapter->securitypriv.PMKIDIndex = backupPMKIDIndex;
|
adapter->securitypriv.btkip_countermeasure =
|
backupTKIPCountermeasure;
|
} else { /*reset values in securitypriv*/
|
struct security_priv *psec_priv = &adapter->securitypriv;
|
|
psec_priv->AuthAlgrthm = 0; /*open system*/
|
psec_priv->PrivacyAlgrthm = _NO_PRIVACY_;
|
psec_priv->PrivacyKeyIndex = 0;
|
psec_priv->XGrpPrivacy = _NO_PRIVACY_;
|
psec_priv->XGrpKeyid = 1;
|
psec_priv->ndisauthtype = Ndis802_11AuthModeOpen;
|
psec_priv->ndisencryptstatus = Ndis802_11WEPDisabled;
|
psec_priv->wps_phase = false;
|
}
|
}
|
|
void r8712_report_sec_ie(struct _adapter *adapter, u8 authmode, u8 *sec_ie)
|
{
|
uint len;
|
u8 *buff, *p, i;
|
union iwreq_data wrqu;
|
|
buff = NULL;
|
if (authmode == _WPA_IE_ID_) {
|
buff = kzalloc(IW_CUSTOM_MAX, GFP_ATOMIC);
|
if (!buff)
|
return;
|
p = buff;
|
p += sprintf(p, "ASSOCINFO(ReqIEs=");
|
len = sec_ie[1] + 2;
|
len = (len < IW_CUSTOM_MAX) ? len : IW_CUSTOM_MAX;
|
for (i = 0; i < len; i++)
|
p += sprintf(p, "%02x", sec_ie[i]);
|
p += sprintf(p, ")");
|
memset(&wrqu, 0, sizeof(wrqu));
|
wrqu.data.length = p - buff;
|
wrqu.data.length = (wrqu.data.length < IW_CUSTOM_MAX) ?
|
wrqu.data.length : IW_CUSTOM_MAX;
|
wireless_send_event(adapter->pnetdev, IWEVCUSTOM, &wrqu, buff);
|
kfree(buff);
|
}
|
}
|
