https://github.com/torvalds/linux
Tip revision: 9931faca02c604c22335f5a935a501bb2ace6e20 authored by Linus Torvalds on 10 January 2013, 02:59:55 UTC
Linux 3.8-rc3
Linux 3.8-rc3
Tip revision: 9931fac
mlme_linux.c
/******************************************************************************
* 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(void *FunctionContext)
{
struct _adapter *adapter = (struct _adapter *)FunctionContext;
_r8712_sitesurvey_ctrl_handler(adapter);
_set_timer(&adapter->mlmepriv.sitesurveyctrl.sitesurvey_ctrl_timer,
3000);
}
static void join_timeout_handler (void *FunctionContext)
{
struct _adapter *adapter = (struct _adapter *)FunctionContext;
_r8712_join_timeout_handler(adapter);
}
static void _scan_timeout_handler (void *FunctionContext)
{
struct _adapter *adapter = (struct _adapter *)FunctionContext;
r8712_scan_timeout_handler(adapter);
}
static void dhcp_timeout_handler (void *FunctionContext)
{
struct _adapter *adapter = (struct _adapter *)FunctionContext;
_r8712_dhcp_timeout_handler(adapter);
}
static void wdg_timeout_handler (void *FunctionContext)
{
struct _adapter *adapter = (struct _adapter *)FunctionContext;
_r8712_wdg_timeout_handler(adapter);
_set_timer(&adapter->mlmepriv.wdg_timer, 2000);
}
void r8712_init_mlme_timer(struct _adapter *padapter)
{
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
_init_timer(&(pmlmepriv->assoc_timer), padapter->pnetdev,
join_timeout_handler, (pmlmepriv->nic_hdl));
_init_timer(&(pmlmepriv->sitesurveyctrl.sitesurvey_ctrl_timer),
padapter->pnetdev, sitesurvey_ctrl_handler,
(u8 *)(pmlmepriv->nic_hdl));
_init_timer(&(pmlmepriv->scan_to_timer), padapter->pnetdev,
_scan_timeout_handler, (pmlmepriv->nic_hdl));
_init_timer(&(pmlmepriv->dhcp_timer), padapter->pnetdev,
dhcp_timeout_handler, (u8 *)(pmlmepriv->nic_hdl));
_init_timer(&(pmlmepriv->wdg_timer), padapter->pnetdev,
wdg_timeout_handler, (u8 *)(pmlmepriv->nic_hdl));
}
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.
*/
memset(&backupPMKIDList[0], 0x00, sizeof(
struct RT_PMKID_LIST) * NUM_PMKID_CACHE);
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));
_init_timer(&(adapter->securitypriv.tkip_timer),
adapter->pnetdev, r8712_use_tkipkey_handler,
adapter);
/* 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 = _malloc(IW_CUSTOM_MAX);
if (buff == NULL)
return;
memset(buff, 0, IW_CUSTOM_MAX);
p = buff;
p += sprintf(p, "ASSOCINFO(ReqIEs=");
len = sec_ie[1] + 2;
len = (len < IW_CUSTOM_MAX) ? len : IW_CUSTOM_MAX - 1;
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);
}
}