rtl8188eu/os_dep/mlme_linux.c

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/******************************************************************************
*
* Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
*
* 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
*
*
******************************************************************************/
#define _MLME_OSDEP_C_
#include <osdep_service.h>
#include <drv_types.h>
#include <mlme_osdep.h>
void rtw_join_timeout_handler (void *FunctionContext)
{
struct adapter *adapter = (struct adapter *)FunctionContext;
_rtw_join_timeout_handler(adapter);
}
void _rtw_scan_timeout_handler (void *FunctionContext)
{
struct adapter *adapter = (struct adapter *)FunctionContext;
rtw_scan_timeout_handler(adapter);
}
static void _dynamic_check_timer_handlder(void *FunctionContext)
{
struct adapter *adapter = (struct adapter *)FunctionContext;
if (adapter->registrypriv.mp_mode == 1)
return;
rtw_dynamic_check_timer_handlder(adapter);
_set_timer(&adapter->mlmepriv.dynamic_chk_timer, 2000);
}
void rtw_init_mlme_timer(struct adapter *padapter)
{
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
_init_timer(&(pmlmepriv->assoc_timer), padapter->pnetdev, rtw_join_timeout_handler, padapter);
_init_timer(&(pmlmepriv->scan_to_timer), padapter->pnetdev, _rtw_scan_timeout_handler, padapter);
_init_timer(&(pmlmepriv->dynamic_chk_timer), padapter->pnetdev, _dynamic_check_timer_handlder, padapter);
}
void rtw_os_indicate_connect(struct adapter *adapter)
{
_func_enter_;
rtw_indicate_wx_assoc_event(adapter);
netif_carrier_on(adapter->pnetdev);
if (adapter->pid[2] != 0)
rtw_signal_process(adapter->pid[2], SIGALRM);
_func_exit_;
}
void rtw_os_indicate_scan_done(struct adapter *padapter, bool aborted)
{
indicate_wx_scan_complete_event(padapter);
}
static struct rt_pmkid_list backup_pmkid[NUM_PMKID_CACHE];
void rtw_reset_securitypriv(struct adapter *adapter)
{
u8 backup_index = 0;
u8 backup_counter = 0x00;
u32 backup_time = 0;
if (adapter->securitypriv.dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) {
/* 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. */
_rtw_memset(&backup_pmkid[0], 0x00, sizeof(struct rt_pmkid_list) * NUM_PMKID_CACHE);
_rtw_memcpy(&backup_pmkid[0], &adapter->securitypriv.PMKIDList[0], sizeof(struct rt_pmkid_list) * NUM_PMKID_CACHE);
backup_index = adapter->securitypriv.PMKIDIndex;
backup_counter = adapter->securitypriv.btkip_countermeasure;
backup_time = adapter->securitypriv.btkip_countermeasure_time;
_rtw_memset((unsigned char *)&adapter->securitypriv, 0, sizeof(struct security_priv));
/* Restore the PMK information to securitypriv structure for the following connection. */
_rtw_memcpy(&adapter->securitypriv.PMKIDList[0],
&backup_pmkid[0],
sizeof(struct rt_pmkid_list) * NUM_PMKID_CACHE);
adapter->securitypriv.PMKIDIndex = backup_index;
adapter->securitypriv.btkip_countermeasure = backup_counter;
adapter->securitypriv.btkip_countermeasure_time = backup_time;
adapter->securitypriv.ndisauthtype = Ndis802_11AuthModeOpen;
adapter->securitypriv.ndisencryptstatus = Ndis802_11WEPDisabled;
} else {
/* reset values in securitypriv */
struct security_priv *psec_priv = &adapter->securitypriv;
psec_priv->dot11AuthAlgrthm = dot11AuthAlgrthm_Open; /* open system */
psec_priv->dot11PrivacyAlgrthm = _NO_PRIVACY_;
psec_priv->dot11PrivacyKeyIndex = 0;
psec_priv->dot118021XGrpPrivacy = _NO_PRIVACY_;
psec_priv->dot118021XGrpKeyid = 1;
psec_priv->ndisauthtype = Ndis802_11AuthModeOpen;
psec_priv->ndisencryptstatus = Ndis802_11WEPDisabled;
}
}
void rtw_os_indicate_disconnect(struct adapter *adapter)
{
_func_enter_;
netif_carrier_off(adapter->pnetdev); /* Do it first for tx broadcast pkt after disconnection issue! */
rtw_indicate_wx_disassoc_event(adapter);
rtw_reset_securitypriv(adapter);
_func_exit_;
}
void rtw_report_sec_ie(struct adapter *adapter, u8 authmode, u8 *sec_ie)
{
uint len;
u8 *buff, *p, i;
union iwreq_data wrqu;
_func_enter_;
RT_TRACE(_module_mlme_osdep_c_, _drv_info_,
("+rtw_report_sec_ie, authmode=%d\n", authmode));
buff = NULL;
if (authmode == _WPA_IE_ID_) {
RT_TRACE(_module_mlme_osdep_c_, _drv_info_,
("rtw_report_sec_ie, authmode=%d\n", authmode));
buff = rtw_malloc(IW_CUSTOM_MAX);
if (!buff)
goto exit;
_rtw_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;
for (i = 0; i < len; i++)
p += sprintf(p, "%02x", sec_ie[i]);
p += sprintf(p, ")");
_rtw_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);
if (buff)
rtw_mfree(buff, IW_CUSTOM_MAX);
}
exit:
_func_exit_;
}
static void _survey_timer_hdl(void *FunctionContext)
{
struct adapter *padapter = (struct adapter *)FunctionContext;
survey_timer_hdl(padapter);
}
static void _link_timer_hdl(void *FunctionContext)
{
struct adapter *padapter = (struct adapter *)FunctionContext;
link_timer_hdl(padapter);
}
static void _addba_timer_hdl(void *FunctionContext)
{
struct sta_info *psta = (struct sta_info *)FunctionContext;
addba_timer_hdl(psta);
}
void init_addba_retry_timer(struct adapter *padapter, struct sta_info *psta)
{
_init_timer(&psta->addba_retry_timer, padapter->pnetdev, _addba_timer_hdl, psta);
}
void init_mlme_ext_timer(struct adapter *padapter)
{
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
_init_timer(&pmlmeext->survey_timer, padapter->pnetdev, _survey_timer_hdl, padapter);
_init_timer(&pmlmeext->link_timer, padapter->pnetdev, _link_timer_hdl, padapter);
}
#ifdef CONFIG_AP_MODE
void rtw_indicate_sta_assoc_event(struct adapter *padapter, struct sta_info *psta)
{
union iwreq_data wrqu;
struct sta_priv *pstapriv = &padapter->stapriv;
if (psta == NULL)
return;
if (psta->aid > NUM_STA)
return;
if (pstapriv->sta_aid[psta->aid - 1] != psta)
return;
wrqu.addr.sa_family = ARPHRD_ETHER;
_rtw_memcpy(wrqu.addr.sa_data, psta->hwaddr, ETH_ALEN);
DBG_88E("+rtw_indicate_sta_assoc_event\n");
wireless_send_event(padapter->pnetdev, IWEVREGISTERED, &wrqu, NULL);
}
void rtw_indicate_sta_disassoc_event(struct adapter *padapter, struct sta_info *psta)
{
union iwreq_data wrqu;
struct sta_priv *pstapriv = &padapter->stapriv;
if (psta == NULL)
return;
if (psta->aid > NUM_STA)
return;
if (pstapriv->sta_aid[psta->aid - 1] != psta)
return;
wrqu.addr.sa_family = ARPHRD_ETHER;
_rtw_memcpy(wrqu.addr.sa_data, psta->hwaddr, ETH_ALEN);
DBG_88E("+rtw_indicate_sta_disassoc_event\n");
wireless_send_event(padapter->pnetdev, IWEVEXPIRED, &wrqu, NULL);
}
#endif