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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
*
*
******************************************************************************/
#include <rtl8192c_sreset.h>
#include <rtl8192c_hal.h>
#ifdef DBG_CONFIG_ERROR_DETECT
extern void rtw_cancel_all_timer(_adapter *padapter);
static void _restore_security_setting(_adapter *padapter)
{
u8 EntryId = 0;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct sta_priv * pstapriv = &padapter->stapriv;
struct sta_info *psta;
struct security_priv* psecuritypriv=&(padapter->securitypriv);
struct mlme_ext_info *pmlmeinfo = &padapter->mlmeextpriv.mlmext_info;
(pmlmeinfo->auth_algo == dot11AuthAlgrthm_8021X)
? rtw_write8(padapter, REG_SECCFG, 0xcc)
: rtw_write8(padapter, REG_SECCFG, 0xcf);
if ( ( padapter->securitypriv.dot11PrivacyAlgrthm == _WEP40_ ) ||
( padapter->securitypriv.dot11PrivacyAlgrthm == _WEP104_ ))
{
for(EntryId=0; EntryId<4; EntryId++)
{
if(EntryId == psecuritypriv->dot11PrivacyKeyIndex)
rtw_set_key(padapter,&padapter->securitypriv, EntryId, 1);
else
rtw_set_key(padapter,&padapter->securitypriv, EntryId, 0);
}
}
else if((padapter->securitypriv.dot11PrivacyAlgrthm == _TKIP_) ||
(padapter->securitypriv.dot11PrivacyAlgrthm == _AES_))
{
psta = rtw_get_stainfo(pstapriv, get_bssid(pmlmepriv));
if (psta == NULL) {
//DEBUG_ERR( ("Set wpa_set_encryption: Obtain Sta_info fail \n"));
}
else
{
//pairwise key
rtw_setstakey_cmd(padapter, (unsigned char *)psta, _TRUE);
//group key
rtw_set_key(padapter,&padapter->securitypriv,padapter->securitypriv.dot118021XGrpKeyid, 0);
}
}
}
static void _restore_network_status(_adapter *padapter)
{
HAL_DATA_TYPE *pHalData = GET_HAL_DATA(padapter);
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
WLAN_BSSID_EX *pnetwork = (WLAN_BSSID_EX*)(&(pmlmeinfo->network));
unsigned short caps;
u8 join_type;
#if 1
//=======================================================
// reset related register of Beacon control
//set MSR to nolink
Set_MSR(padapter, _HW_STATE_NOLINK_);
// reject all data frame
rtw_write16(padapter, REG_RXFLTMAP2,0x00);
//reset TSF
rtw_write8(padapter, REG_DUAL_TSF_RST, (BIT(0)|BIT(1)));
//disable update TSF
if(IS_NORMAL_CHIP(pHalData->VersionID))
rtw_write8(padapter, REG_BCN_CTRL, rtw_read8(padapter, REG_BCN_CTRL)|BIT(4));
else
rtw_write8(padapter, REG_BCN_CTRL, rtw_read8(padapter, REG_BCN_CTRL)|BIT(4)|BIT(5));
//=======================================================
rtw_joinbss_reset(padapter);
set_channel_bwmode(padapter, pmlmeext->cur_channel, pmlmeext->cur_ch_offset, pmlmeext->cur_bwmode);
//pmlmeinfo->assoc_AP_vendor = maxAP;
if (padapter->registrypriv.wifi_spec) {
// for WiFi test, follow WMM test plan spec
rtw_write32(padapter, REG_EDCA_VO_PARAM, 0x002F431C);
rtw_write32(padapter, REG_EDCA_VI_PARAM, 0x005E541C);
rtw_write32(padapter, REG_EDCA_BE_PARAM, 0x0000A525);
rtw_write32(padapter, REG_EDCA_BK_PARAM, 0x0000A549);
// for WiFi test, mixed mode with intel STA under bg mode throughput issue
if (padapter->mlmepriv.htpriv.ht_option == 0)
rtw_write32(padapter, REG_EDCA_BE_PARAM, 0x00004320);
} else {
rtw_write32(padapter, REG_EDCA_VO_PARAM, 0x002F3217);
rtw_write32(padapter, REG_EDCA_VI_PARAM, 0x005E4317);
rtw_write32(padapter, REG_EDCA_BE_PARAM, 0x00105320);
rtw_write32(padapter, REG_EDCA_BK_PARAM, 0x0000A444);
}
//disable dynamic functions, such as high power, DIG
//Switch_DM_Func(padapter, DYNAMIC_FUNC_DISABLE, _FALSE);
#endif
padapter->HalFunc.SetHwRegHandler(padapter, HW_VAR_BSSID, pmlmeinfo->network.MacAddress);
join_type = 0;
padapter->HalFunc.SetHwRegHandler(padapter, HW_VAR_MLME_JOIN, (u8 *)(&join_type));
Set_MSR(padapter, (pmlmeinfo->state & 0x3));
mlmeext_joinbss_event_callback(padapter, 1);
//restore Sequence No.
rtw_write8(padapter,0x4dc,padapter->xmitpriv.nqos_ssn);
}
void rtl8192c_silentreset_for_specific_platform(_adapter *padapter)
{
HAL_DATA_TYPE *pHalData = GET_HAL_DATA(padapter);
struct sreset_priv *psrtpriv = &pHalData->srestpriv;
struct pwrctrl_priv *pwrpriv = &padapter->pwrctrlpriv;
struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
_irqL irqL;
#ifdef DBG_CONFIG_ERROR_RESET
DBG_871X("%s\n", __FUNCTION__);
psrtpriv->Wifi_Error_Status = WIFI_STATUS_SUCCESS;
if (!rtw_netif_queue_stopped(padapter->pnetdev))
rtw_netif_stop_queue(padapter->pnetdev);
rtw_cancel_all_timer(padapter);
tasklet_kill(&pxmitpriv->xmit_tasklet);
_enter_critical_mutex(&psrtpriv->silentreset_mutex, &irqL);
psrtpriv->silent_reset_inprogress = _TRUE;
pwrpriv->change_rfpwrstate = rf_off;
#ifdef CONFIG_IPS
ips_enter(padapter);
ips_leave(padapter);
#endif
if(check_fwstate(pmlmepriv, _FW_LINKED)== _TRUE)
{
_restore_network_status(padapter);
_restore_security_setting(padapter);
}
_clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY | _FW_UNDER_LINKING);
psrtpriv->silent_reset_inprogress = _FALSE;
_exit_critical_mutex(&psrtpriv->silentreset_mutex, &irqL);
tasklet_hi_schedule(&pxmitpriv->xmit_tasklet);
_set_timer(&padapter->mlmepriv.dynamic_chk_timer, 2000);
if (netif_queue_stopped(padapter->pnetdev))
netif_wake_queue(padapter->pnetdev);
#endif
}
void rtl8192c_sreset_xmit_status_check(_adapter *padapter)
{
HAL_DATA_TYPE *pHalData = GET_HAL_DATA(padapter);
struct sreset_priv *psrtpriv = &pHalData->srestpriv;
unsigned long current_time;
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
unsigned int diff_time;
u32 txdma_status;
if( (txdma_status=rtw_read32(padapter, REG_TXDMA_STATUS)) !=0x00){
DBG_871X("%s REG_TXDMA_STATUS:0x%08x\n", __FUNCTION__, txdma_status);
rtl8192c_silentreset_for_specific_platform(padapter);
}
//total xmit irp = 4
//DBG_8192C("==>%s free_xmitbuf_cnt(%d),txirp_cnt(%d)\n",__FUNCTION__,pxmitpriv->free_xmitbuf_cnt,pxmitpriv->txirp_cnt);
//if(pxmitpriv->txirp_cnt == NR_XMITBUFF+1)
current_time = rtw_get_current_time();
if(0==pxmitpriv->free_xmitbuf_cnt)
{
diff_time = jiffies_to_msecs(current_time - psrtpriv->last_tx_time);
if(diff_time > 2000){
if(psrtpriv->last_tx_complete_time==0){
psrtpriv->last_tx_complete_time = current_time;
}
else{
diff_time = jiffies_to_msecs(current_time - psrtpriv->last_tx_complete_time);
if(diff_time > 4000){
//padapter->Wifi_Error_Status = WIFI_TX_HANG;
DBG_8192C("%s tx hang\n", __FUNCTION__);
rtl8192c_silentreset_for_specific_platform(padapter);
}
}
}
}
}
void rtl8192c_sreset_linked_status_check(_adapter *padapter)
{
u32 regc50,regc58,reg824,reg800;
regc50 = rtw_read32(padapter,0xc50);
regc58 = rtw_read32(padapter,0xc58);
reg824 = rtw_read32(padapter,0x824);
reg800 = rtw_read32(padapter,0x800);
if( ((regc50&0xFFFFFF00)!= 0x69543400)||
((regc58&0xFFFFFF00)!= 0x69543400)||
(((reg824&0xFFFFFF00)!= 0x00390000)&&(((reg824&0xFFFFFF00)!= 0x80390000)))||
( ((reg800&0xFFFFFF00)!= 0x03040000)&&((reg800&0xFFFFFF00)!= 0x83040000)))
{
DBG_8192C("%s regc50:0x%08x, regc58:0x%08x, reg824:0x%08x, reg800:0x%08x,\n", __FUNCTION__,
regc50, regc58, reg824, reg800);
rtl8192c_silentreset_for_specific_platform(padapter);
}
}
#endif
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