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rtl8192eu-linux-driver/hal/phydm/rtl8192e/phydm_rtl8192e.c
CGarces 3d6c7de21a Updated to 4.4.1
2017-05-11 20:49:39 +02:00

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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 files
//============================================================
#include "mp_precomp.h"
#include "../phydm_precomp.h"
#if (RTL8192E_SUPPORT == 1)
#if (DM_ODM_SUPPORT_TYPE & (ODM_WIN|ODM_CE))
VOID
odm_Write_Dynamic_CCA(
IN PDM_ODM_T pDM_Odm,
IN u1Byte CurrentMFstate
)
{
pPri_CCA_T PrimaryCCA = &(pDM_Odm->DM_PriCCA);
if (PrimaryCCA->MF_state != CurrentMFstate){
ODM_SetBBReg(pDM_Odm, ODM_REG_L1SBD_PD_CH_11N, BIT8|BIT7, CurrentMFstate);
}
PrimaryCCA->MF_state = CurrentMFstate;
}
VOID
odm_PrimaryCCA_Check_Init(
IN PDM_ODM_T pDM_Odm)
{
#if((DM_ODM_SUPPORT_TYPE==ODM_WIN) ||(DM_ODM_SUPPORT_TYPE==ODM_AP))
PADAPTER pAdapter = pDM_Odm->Adapter;
pPri_CCA_T PrimaryCCA = &(pDM_Odm->DM_PriCCA);
HAL_DATA_TYPE *pHalData = GET_HAL_DATA(pAdapter);
pHalData->RTSEN = 0;
PrimaryCCA->DupRTS_flag = 0;
PrimaryCCA->intf_flag = 0;
PrimaryCCA->intf_type = 0;
PrimaryCCA->Monitor_flag = 0;
PrimaryCCA->PriCCA_flag = 0;
PrimaryCCA->CH_offset = 0;
PrimaryCCA->MF_state = 0;
#endif
}
VOID
odm_DynamicPrimaryCCA_Check(
IN PDM_ODM_T pDM_Odm
)
{
if(pDM_Odm->SupportICType != ODM_RTL8192E)
return;
if(!(pDM_Odm->SupportAbility & ODM_BB_PRIMARY_CCA))
return;
switch (pDM_Odm->SupportPlatform)
{
case ODM_WIN:
#if(DM_ODM_SUPPORT_TYPE==ODM_WIN)
odm_DynamicPrimaryCCAMP(pDM_Odm);
#endif
break;
case ODM_CE:
#if(DM_ODM_SUPPORT_TYPE==ODM_CE)
#endif
break;
case ODM_AP:
#if (DM_ODM_SUPPORT_TYPE == ODM_AP)
odm_DynamicPrimaryCCAAP(pDM_Odm);
#endif
break;
}
}
#if (DM_ODM_SUPPORT_TYPE == ODM_WIN)
VOID
odm_DynamicPrimaryCCAMP(
IN PDM_ODM_T pDM_Odm
)
{
PADAPTER pAdapter = pDM_Odm->Adapter;
HAL_DATA_TYPE *pHalData = GET_HAL_DATA(pAdapter);
#if (DM_ODM_SUPPORT_TYPE == ODM_CE)
PFALSE_ALARM_STATISTICS FalseAlmCnt = (PFALSE_ALARM_STATISTICS)PhyDM_Get_Structure( pDM_Odm , PHYDM_FALSEALMCNT);
#else
PFALSE_ALARM_STATISTICS FalseAlmCnt = &(pDM_Odm->FalseAlmCnt);
#endif
pPri_CCA_T PrimaryCCA = &(pDM_Odm->DM_PriCCA);
BOOLEAN Is40MHz = FALSE;
u8Byte OFDM_CCA, OFDM_FA, BW_USC_Cnt, BW_LSC_Cnt;
u1Byte SecCHOffset;
u1Byte CurMFstate;
static u1Byte CountDown = Monitor_TIME;
OFDM_CCA = FalseAlmCnt->Cnt_OFDM_CCA;
OFDM_FA = FalseAlmCnt->Cnt_Ofdm_fail;
BW_USC_Cnt = FalseAlmCnt->Cnt_BW_USC;
BW_LSC_Cnt = FalseAlmCnt->Cnt_BW_LSC;
ODM_RT_TRACE(pDM_Odm,ODM_COMP_DYNAMIC_PRICCA, ODM_DBG_LOUD, ("92E: OFDM CCA=%d\n", OFDM_CCA));
ODM_RT_TRACE(pDM_Odm,ODM_COMP_DYNAMIC_PRICCA, ODM_DBG_LOUD, ("92E: OFDM FA=%d\n", OFDM_FA));
ODM_RT_TRACE(pDM_Odm,ODM_COMP_DYNAMIC_PRICCA, ODM_DBG_LOUD, ("92E: BW_USC=%d\n", BW_USC_Cnt));
ODM_RT_TRACE(pDM_Odm,ODM_COMP_DYNAMIC_PRICCA, ODM_DBG_LOUD, ("92E: BW_LSC=%d\n", BW_LSC_Cnt));
Is40MHz = *(pDM_Odm->pBandWidth);
SecCHOffset = *(pDM_Odm->pSecChOffset); // NIC: 2: sec is below, 1: sec is above
//DbgPrint("92E: SecCHOffset = %d\n", SecCHOffset);
if(IsAPModeExist(pAdapter)){
CurMFstate = MF_USC_LSC;
odm_Write_Dynamic_CCA(pDM_Odm, CurMFstate);
return;
}
if(!pDM_Odm->bLinked){
return;
}
else{
if(Is40MHz){
ODM_RT_TRACE(pDM_Odm,ODM_COMP_DYNAMIC_PRICCA, ODM_DBG_LOUD, ("92E: Cont Down= %d\n", CountDown));
ODM_RT_TRACE(pDM_Odm,ODM_COMP_DYNAMIC_PRICCA, ODM_DBG_LOUD, ("92E: Primary_CCA_flag=%d\n", PrimaryCCA->PriCCA_flag));
ODM_RT_TRACE(pDM_Odm,ODM_COMP_DYNAMIC_PRICCA, ODM_DBG_LOUD, ("92E: Intf_Type=%d\n", PrimaryCCA->intf_type));
ODM_RT_TRACE(pDM_Odm,ODM_COMP_DYNAMIC_PRICCA, ODM_DBG_LOUD, ("92E: Intf_flag=%d\n", PrimaryCCA->intf_flag ));
ODM_RT_TRACE(pDM_Odm,ODM_COMP_DYNAMIC_PRICCA, ODM_DBG_LOUD, ("92E: Duplicate RTS Flag=%d\n", PrimaryCCA->DupRTS_flag));
//DbgPrint("92E RTS_EN=%d\n", pHalData->RTSEN);
if(PrimaryCCA->PriCCA_flag == 0){
if(SecCHOffset == 2){ // Primary channel is above NOTE: duplicate CTS can remove this condition
if((OFDM_CCA > OFDMCCA_TH) && (BW_LSC_Cnt>(BW_USC_Cnt + BW_Ind_Bias))
&& (OFDM_FA>(OFDM_CCA>>1))){
PrimaryCCA->intf_type = 1;
PrimaryCCA->intf_flag = 1;
CurMFstate = MF_USC;
odm_Write_Dynamic_CCA(pDM_Odm, CurMFstate);
PrimaryCCA->PriCCA_flag = 1;
}
else if((OFDM_CCA > OFDMCCA_TH) && (BW_LSC_Cnt>(BW_USC_Cnt + BW_Ind_Bias))
&& (OFDM_FA < (OFDM_CCA>>1))){
PrimaryCCA->intf_type = 2;
PrimaryCCA->intf_flag = 1;
CurMFstate = MF_USC;
odm_Write_Dynamic_CCA(pDM_Odm, CurMFstate);
PrimaryCCA->PriCCA_flag = 1;
PrimaryCCA->DupRTS_flag = 1;
pHalData->RTSEN = 1;
}
else{
PrimaryCCA->intf_type = 0;
PrimaryCCA->intf_flag = 0;
CurMFstate = MF_USC_LSC;
odm_Write_Dynamic_CCA(pDM_Odm, CurMFstate);
pHalData->RTSEN = 0;
PrimaryCCA->DupRTS_flag = 0;
}
}
else if (SecCHOffset == 1){
if((OFDM_CCA > OFDMCCA_TH) && (BW_USC_Cnt > (BW_LSC_Cnt + BW_Ind_Bias))
&& (OFDM_FA > (OFDM_CCA>>1))){
PrimaryCCA->intf_type = 1;
PrimaryCCA->intf_flag = 1;
CurMFstate = MF_LSC;
odm_Write_Dynamic_CCA(pDM_Odm, CurMFstate);
PrimaryCCA->PriCCA_flag = 1;
}
else if((OFDM_CCA > OFDMCCA_TH) && (BW_USC_Cnt>(BW_LSC_Cnt + BW_Ind_Bias))
&& (OFDM_FA < (OFDM_CCA>>1))){
PrimaryCCA->intf_type = 2;
PrimaryCCA->intf_flag = 1;
CurMFstate = MF_LSC;
odm_Write_Dynamic_CCA(pDM_Odm, CurMFstate);
PrimaryCCA->PriCCA_flag = 1;
PrimaryCCA->DupRTS_flag = 1;
pHalData->RTSEN = 1;
}
else{
PrimaryCCA->intf_type = 0;
PrimaryCCA->intf_flag = 0;
CurMFstate = MF_USC_LSC;
odm_Write_Dynamic_CCA(pDM_Odm, CurMFstate);
pHalData->RTSEN = 0;
PrimaryCCA->DupRTS_flag = 0;
}
}
}
else{ // PrimaryCCA->PriCCA_flag==1
CountDown--;
if(CountDown == 0){
CountDown = Monitor_TIME;
PrimaryCCA->PriCCA_flag = 0;
CurMFstate = MF_USC_LSC;
odm_Write_Dynamic_CCA(pDM_Odm, CurMFstate); // default
pHalData->RTSEN = 0;
PrimaryCCA->DupRTS_flag = 0;
PrimaryCCA->intf_type = 0;
PrimaryCCA->intf_flag = 0;
}
}
}
else{
return;
}
}
}
#elif(DM_ODM_SUPPORT_TYPE == ODM_AP)
VOID
odm_DynamicPrimaryCCAAP(
IN PDM_ODM_T pDM_Odm
)
{
PADAPTER Adapter = pDM_Odm->Adapter;
prtl8192cd_priv priv = pDM_Odm->priv;
#if (DM_ODM_SUPPORT_TYPE == ODM_CE)
PFALSE_ALARM_STATISTICS FalseAlmCnt = (PFALSE_ALARM_STATISTICS)PhyDM_Get_Structure( pDM_Odm , PHYDM_FALSEALMCNT);
#else
PFALSE_ALARM_STATISTICS FalseAlmCnt = &(pDM_Odm->FalseAlmCnt);
#endif
pPri_CCA_T PrimaryCCA = &(pDM_Odm->DM_PriCCA);
HAL_DATA_TYPE *pHalData = GET_HAL_DATA(Adapter);
u1Byte i;
static u4Byte Count_Down = Monitor_TIME;
BOOLEAN STA_BW = FALSE, STA_BW_pre = FALSE, STA_BW_TMP = FALSE;
BOOLEAN bConnected = FALSE;
BOOLEAN Is40MHz = FALSE;
u1Byte SecCHOffset;
u1Byte CurMFstate;
PSTA_INFO_T pstat;
Is40MHz = *(pDM_Odm->pBandWidth);
SecCHOffset = *(pDM_Odm->pSecChOffset); // AP: 1: sec is below, 2: sec is above
for(i=0; i<ODM_ASSOCIATE_ENTRY_NUM; i++){
pstat = pDM_Odm->pODM_StaInfo[i];
if(IS_STA_VALID(pstat)){
STA_BW_TMP = pstat->tx_bw;
if(STA_BW_TMP > STA_BW){
STA_BW = STA_BW_TMP;
}
bConnected = TRUE;
}
}
if(Is40MHz){
if(PrimaryCCA->PriCCA_flag == 0){
if(bConnected){
if(STA_BW == 0){ //2 STA BW=20M
PrimaryCCA->PriCCA_flag = 1;
if(SecCHOffset==1){
CurMFstate = MF_USC;
odm_Write_Dynamic_CCA(pDM_Odm, CurMFstate);
}
else if(SecCHOffset==2){
CurMFstate = MF_USC;
odm_Write_Dynamic_CCA(pDM_Odm, CurMFstate);
}
}
else{ //2 STA BW=40M
if(PrimaryCCA->intf_flag == 0){
odm_Intf_Detection(pDM_Odm);
}
else{ // intf_flag = 1
if(PrimaryCCA->intf_type == 1){
if(PrimaryCCA->CH_offset == 1){
CurMFstate = MF_USC;
if(SecCHOffset == 1){ // AP, 1: primary is above 2: primary is below
odm_Write_Dynamic_CCA(pDM_Odm, CurMFstate);
}
}
else if(PrimaryCCA->CH_offset == 2){
CurMFstate = MF_LSC;
if(SecCHOffset == 2){
odm_Write_Dynamic_CCA(pDM_Odm, CurMFstate);
}
}
}
else if(PrimaryCCA->intf_type==2){
if(PrimaryCCA->CH_offset==1){
//ODM_SetBBReg(pDM_Odm, ODM_REG_L1SBD_PD_CH_11N, BIT8|BIT7, MF_USC);
pHalData->RTSEN = 1;
}
else if(PrimaryCCA->CH_offset==2){
//ODM_SetBBReg(pDM_Odm, ODM_REG_L1SBD_PD_CH_11N, BIT8|BIT7, MF_LSC);
pHalData->RTSEN = 1;
}
}
}
}
}
else{ // disconnected interference detection
odm_Intf_Detection(pDM_Odm);
}// end of disconnected
}
else{ // PrimaryCCA->PriCCA_flag == 1
if(STA_BW==0){
STA_BW_pre = STA_BW;
return;
}
Count_Down--;
if((Count_Down == 0) || ((STA_BW & STA_BW_pre) != 1)){
Count_Down = Monitor_TIME;
PrimaryCCA->PriCCA_flag = 0;
PrimaryCCA->intf_type = 0;
PrimaryCCA->intf_flag = 0;
CurMFstate = MF_USC_LSC;
odm_Write_Dynamic_CCA(pDM_Odm, CurMFstate); // default
pHalData->RTSEN = 0;
}
}
STA_BW_pre = STA_BW;
}
else{
//2 Reset
odm_PrimaryCCA_Check_Init(pDM_Odm);
CurMFstate = MF_USC_LSC;
odm_Write_Dynamic_CCA(pDM_Odm, CurMFstate);
Count_Down = Monitor_TIME;
}
}
VOID
odm_Intf_Detection(
IN PDM_ODM_T pDM_Odm
)
{
#if (DM_ODM_SUPPORT_TYPE == ODM_CE)
PFALSE_ALARM_STATISTICS FalseAlmCnt = (PFALSE_ALARM_STATISTICS)PhyDM_Get_Structure( pDM_Odm , PHYDM_FALSEALMCNT);
#else
PFALSE_ALARM_STATISTICS FalseAlmCnt = &(pDM_Odm->FalseAlmCnt);
#endif
pPri_CCA_T PrimaryCCA = &(pDM_Odm->DM_PriCCA);
if((FalseAlmCnt->Cnt_OFDM_CCA>OFDMCCA_TH)
&&(FalseAlmCnt->Cnt_BW_LSC>(FalseAlmCnt->Cnt_BW_USC+BW_Ind_Bias))){
PrimaryCCA->intf_flag = 1;
PrimaryCCA->CH_offset = 1; // 1:LSC, 2:USC
if(FalseAlmCnt->Cnt_Ofdm_fail>(FalseAlmCnt->Cnt_OFDM_CCA>>1)){
PrimaryCCA->intf_type = 1;
}
else{
PrimaryCCA->intf_type = 2;
}
}
else if((FalseAlmCnt->Cnt_OFDM_CCA>OFDMCCA_TH)
&&(FalseAlmCnt->Cnt_BW_USC>(FalseAlmCnt->Cnt_BW_LSC+BW_Ind_Bias))){
PrimaryCCA->intf_flag = 1;
PrimaryCCA->CH_offset = 2; // 1:LSC, 2:USC
if(FalseAlmCnt->Cnt_Ofdm_fail>(FalseAlmCnt->Cnt_OFDM_CCA>>1)){
PrimaryCCA->intf_type = 1;
}
else{
PrimaryCCA->intf_type = 2;
}
}
else{
PrimaryCCA->intf_flag = 0;
PrimaryCCA->intf_type = 0;
PrimaryCCA->CH_offset = 0;
}
}
#endif
#endif
#endif // RTL8192E_SUPPORT == 1
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