mirror of
https://github.com/Mange/rtl8192eu-linux-driver
synced 2024-11-30 01:07:42 +00:00
1387cf623d
Version information: 20140812_rtl8192EU_linux_v4.3.1.1_11320 2014-08-12 version 4.3.1.1_11320 Source: ftp://files.dlink.com.au/products/DWA-131/REV_E/Drivers/DWA-131_Linux_driver_v4.3.1.1.zip This version does not currently work on newer kernels, but it does contain USB ID 2001:3319, which a lot of other repos in GitHub does not.
438 lines
11 KiB
C
438 lines
11 KiB
C
/******************************************************************************
|
|
*
|
|
* 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 "../odm_precomp.h"
|
|
|
|
#if (RTL8192E_SUPPORT == 1)
|
|
|
|
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;
|
|
|
|
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);
|
|
PFALSE_ALARM_STATISTICS FalseAlmCnt = &(pDM_Odm->FalseAlmCnt);
|
|
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;
|
|
PFALSE_ALARM_STATISTICS FalseAlmCnt = &(pDM_Odm->FalseAlmCnt);
|
|
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
|
|
)
|
|
{
|
|
PFALSE_ALARM_STATISTICS FalseAlmCnt = &(pDM_Odm->FalseAlmCnt);
|
|
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 // RTL8192E_SUPPORT == 1
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|