/******************************************************************************
|
*
|
* 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 (RTL8188E_SUPPORT == 1)
|
|
VOID
|
ODM_DIG_LowerBound_88E(
|
IN PDM_ODM_T pDM_Odm
|
)
|
{
|
pDIG_T pDM_DigTable = &pDM_Odm->DM_DigTable;
|
|
if(pDM_Odm->AntDivType == CG_TRX_HW_ANTDIV)
|
{
|
pDM_DigTable->rx_gain_range_min = (u1Byte) pDM_DigTable->AntDiv_RSSI_max;
|
ODM_RT_TRACE(pDM_Odm,ODM_COMP_ANT_DIV, ODM_DBG_LOUD, ("ODM_DIG_LowerBound_88E(): pDM_DigTable->AntDiv_RSSI_max=%d \n",pDM_DigTable->AntDiv_RSSI_max));
|
}
|
//If only one Entry connected
|
}
|
|
|
//3============================================================
|
//3 Dynamic Primary CCA
|
//3============================================================
|
|
VOID
|
odm_PrimaryCCA_Init(
|
IN PDM_ODM_T pDM_Odm)
|
{
|
pPri_CCA_T PrimaryCCA = &(pDM_Odm->DM_PriCCA);
|
PrimaryCCA->DupRTS_flag = 0;
|
PrimaryCCA->intf_flag = 0;
|
PrimaryCCA->intf_type = 0;
|
PrimaryCCA->Monitor_flag = 0;
|
PrimaryCCA->PriCCA_flag = 0;
|
}
|
|
BOOLEAN
|
ODM_DynamicPrimaryCCA_DupRTS(
|
IN PDM_ODM_T pDM_Odm
|
)
|
{
|
pPri_CCA_T PrimaryCCA = &(pDM_Odm->DM_PriCCA);
|
|
return PrimaryCCA->DupRTS_flag;
|
}
|
|
VOID
|
odm_DynamicPrimaryCCA(
|
IN PDM_ODM_T pDM_Odm
|
)
|
{
|
PADAPTER Adapter = pDM_Odm->Adapter; // for NIC
|
|
#if (DM_ODM_SUPPORT_TYPE & (ODM_WIN))
|
PRT_WLAN_STA pEntry;
|
#endif
|
|
PFALSE_ALARM_STATISTICS FalseAlmCnt = &(pDM_Odm->FalseAlmCnt);
|
pPri_CCA_T PrimaryCCA = &(pDM_Odm->DM_PriCCA);
|
|
BOOLEAN Is40MHz;
|
BOOLEAN Client_40MHz = FALSE, Client_tmp = FALSE; // connected client BW
|
BOOLEAN bConnected = FALSE; // connected or not
|
static u1Byte Client_40MHz_pre = 0;
|
static u8Byte lastTxOkCnt = 0;
|
static u8Byte lastRxOkCnt = 0;
|
static u4Byte Counter = 0;
|
static u1Byte Delay = 1;
|
u8Byte curTxOkCnt;
|
u8Byte curRxOkCnt;
|
u1Byte SecCHOffset;
|
u1Byte i;
|
|
#if((DM_ODM_SUPPORT_TYPE==ODM_ADSL) ||( DM_ODM_SUPPORT_TYPE==ODM_CE))
|
return;
|
#endif
|
|
if(pDM_Odm->SupportICType != ODM_RTL8188E)
|
return;
|
|
Is40MHz = *(pDM_Odm->pBandWidth);
|
SecCHOffset = *(pDM_Odm->pSecChOffset);
|
ODM_RT_TRACE(pDM_Odm,ODM_COMP_DYNAMIC_PRICCA, ODM_DBG_LOUD, ("Second CH Offset = %d\n", SecCHOffset));
|
|
#if (DM_ODM_SUPPORT_TYPE == ODM_WIN)
|
if(Is40MHz==1)
|
SecCHOffset = SecCHOffset%2+1; // NIC's definition is reverse to AP 1:secondary below, 2: secondary above
|
ODM_RT_TRACE(pDM_Odm,ODM_COMP_DYNAMIC_PRICCA, ODM_DBG_LOUD, ("Second CH Offset = %d\n", SecCHOffset));
|
//3 Check Current WLAN Traffic
|
curTxOkCnt = Adapter->TxStats.NumTxBytesUnicast - lastTxOkCnt;
|
curRxOkCnt = Adapter->RxStats.NumRxBytesUnicast - lastRxOkCnt;
|
lastTxOkCnt = Adapter->TxStats.NumTxBytesUnicast;
|
lastRxOkCnt = Adapter->RxStats.NumRxBytesUnicast;
|
#elif (DM_ODM_SUPPORT_TYPE == ODM_AP)
|
//3 Check Current WLAN Traffic
|
curTxOkCnt = *(pDM_Odm->pNumTxBytesUnicast)-lastTxOkCnt;
|
curRxOkCnt = *(pDM_Odm->pNumRxBytesUnicast)-lastRxOkCnt;
|
lastTxOkCnt = *(pDM_Odm->pNumTxBytesUnicast);
|
lastRxOkCnt = *(pDM_Odm->pNumRxBytesUnicast);
|
#endif
|
|
//==================Debug Message====================
|
ODM_RT_TRACE(pDM_Odm,ODM_COMP_DYNAMIC_PRICCA, ODM_DBG_LOUD, ("TP = %llu\n", curTxOkCnt+curRxOkCnt));
|
ODM_RT_TRACE(pDM_Odm,ODM_COMP_DYNAMIC_PRICCA, ODM_DBG_LOUD, ("Is40MHz = %d\n", Is40MHz));
|
ODM_RT_TRACE(pDM_Odm,ODM_COMP_DYNAMIC_PRICCA, ODM_DBG_LOUD, ("BW_LSC = %d\n", FalseAlmCnt->Cnt_BW_LSC));
|
ODM_RT_TRACE(pDM_Odm,ODM_COMP_DYNAMIC_PRICCA, ODM_DBG_LOUD, ("BW_USC = %d\n", FalseAlmCnt->Cnt_BW_USC));
|
ODM_RT_TRACE(pDM_Odm,ODM_COMP_DYNAMIC_PRICCA, ODM_DBG_LOUD, ("CCA OFDM = %d\n", FalseAlmCnt->Cnt_OFDM_CCA));
|
ODM_RT_TRACE(pDM_Odm,ODM_COMP_DYNAMIC_PRICCA, ODM_DBG_LOUD, ("CCA CCK = %d\n", FalseAlmCnt->Cnt_CCK_CCA));
|
ODM_RT_TRACE(pDM_Odm,ODM_COMP_DYNAMIC_PRICCA, ODM_DBG_LOUD, ("OFDM FA = %d\n", FalseAlmCnt->Cnt_Ofdm_fail));
|
ODM_RT_TRACE(pDM_Odm,ODM_COMP_DYNAMIC_PRICCA, ODM_DBG_LOUD, ("CCK FA = %d\n", FalseAlmCnt->Cnt_Cck_fail));
|
//================================================
|
|
#if (DM_ODM_SUPPORT_TYPE == ODM_WIN)
|
if (ACTING_AS_AP(Adapter)) // primary cca process only do at AP mode
|
#endif
|
{
|
|
#if (DM_ODM_SUPPORT_TYPE == ODM_WIN)
|
ODM_RT_TRACE(pDM_Odm,ODM_COMP_DYNAMIC_PRICCA, ODM_DBG_LOUD, ("ACTING as AP mode=%d\n", ACTING_AS_AP(Adapter)));
|
//3 To get entry's connection and BW infomation status.
|
for(i=0;i<ASSOCIATE_ENTRY_NUM;i++)
|
{
|
if(IsAPModeExist(Adapter)&&GetFirstExtAdapter(Adapter)!=NULL)
|
pEntry=AsocEntry_EnumStation(GetFirstExtAdapter(Adapter), i);
|
else
|
pEntry=AsocEntry_EnumStation(GetDefaultAdapter(Adapter), i);
|
if(pEntry!=NULL)
|
{
|
Client_tmp = pEntry->BandWidth; // client BW
|
ODM_RT_TRACE(pDM_Odm,ODM_COMP_DYNAMIC_PRICCA, ODM_DBG_LOUD, ("Client_BW=%d\n", Client_tmp));
|
if(Client_tmp>Client_40MHz)
|
Client_40MHz = Client_tmp; // 40M/20M coexist => 40M priority is High
|
|
if(pEntry->bAssociated)
|
{
|
bConnected=TRUE; // client is connected or not
|
break;
|
}
|
}
|
else
|
{
|
break;
|
}
|
}
|
#elif (DM_ODM_SUPPORT_TYPE == ODM_AP)
|
//3 To get entry's connection and BW infomation status.
|
|
PSTA_INFO_T pstat;
|
|
for(i=0; i<ODM_ASSOCIATE_ENTRY_NUM; i++)
|
{
|
pstat = pDM_Odm->pODM_StaInfo[i];
|
if(IS_STA_VALID(pstat) )
|
{
|
Client_tmp = pstat->tx_bw;
|
if(Client_tmp>Client_40MHz)
|
Client_40MHz = Client_tmp; // 40M/20M coexist => 40M priority is High
|
|
bConnected = TRUE;
|
}
|
}
|
#endif
|
ODM_RT_TRACE(pDM_Odm,ODM_COMP_DYNAMIC_PRICCA, ODM_DBG_LOUD, ("bConnected=%d\n", bConnected));
|
ODM_RT_TRACE(pDM_Odm,ODM_COMP_DYNAMIC_PRICCA, ODM_DBG_LOUD, ("Is Client 40MHz=%d\n", Client_40MHz));
|
//1 Monitor whether the interference exists or not
|
if(PrimaryCCA->Monitor_flag == 1)
|
{
|
if(SecCHOffset == 1) // secondary channel is below the primary channel
|
{
|
if((FalseAlmCnt->Cnt_OFDM_CCA > 500)&&(FalseAlmCnt->Cnt_BW_LSC > FalseAlmCnt->Cnt_BW_USC+500))
|
{
|
if(FalseAlmCnt->Cnt_Ofdm_fail > FalseAlmCnt->Cnt_OFDM_CCA>>1)
|
{
|
PrimaryCCA->intf_type = 1;
|
PrimaryCCA->PriCCA_flag = 1;
|
ODM_SetBBReg(pDM_Odm, 0xc6c, BIT8|BIT7, 2); // USC MF
|
if(PrimaryCCA->DupRTS_flag == 1)
|
PrimaryCCA->DupRTS_flag = 0;
|
}
|
else
|
{
|
PrimaryCCA->intf_type = 2;
|
if(PrimaryCCA->DupRTS_flag == 0)
|
PrimaryCCA->DupRTS_flag = 1;
|
}
|
|
}
|
else // interferecne disappear
|
{
|
PrimaryCCA->DupRTS_flag = 0;
|
PrimaryCCA->intf_flag = 0;
|
PrimaryCCA->intf_type = 0;
|
}
|
}
|
else if(SecCHOffset == 2) // secondary channel is above the primary channel
|
{
|
if((FalseAlmCnt->Cnt_OFDM_CCA > 500)&&(FalseAlmCnt->Cnt_BW_USC > FalseAlmCnt->Cnt_BW_LSC+500))
|
{
|
if(FalseAlmCnt->Cnt_Ofdm_fail > FalseAlmCnt->Cnt_OFDM_CCA>>1)
|
{
|
PrimaryCCA->intf_type = 1;
|
PrimaryCCA->PriCCA_flag = 1;
|
ODM_SetBBReg(pDM_Odm, 0xc6c, BIT8|BIT7, 1); // LSC MF
|
if(PrimaryCCA->DupRTS_flag == 1)
|
PrimaryCCA->DupRTS_flag = 0;
|
}
|
else
|
{
|
PrimaryCCA->intf_type = 2;
|
if(PrimaryCCA->DupRTS_flag == 0)
|
PrimaryCCA->DupRTS_flag = 1;
|
}
|
|
}
|
else // interferecne disappear
|
{
|
PrimaryCCA->DupRTS_flag = 0;
|
PrimaryCCA->intf_flag = 0;
|
PrimaryCCA->intf_type = 0;
|
}
|
|
|
}
|
PrimaryCCA->Monitor_flag = 0;
|
}
|
|
//1 Dynamic Primary CCA Main Function
|
if(PrimaryCCA->Monitor_flag == 0)
|
{
|
if(Is40MHz) // if RFBW==40M mode which require to process primary cca
|
{
|
//2 STA is NOT Connected
|
if(!bConnected)
|
{
|
ODM_RT_TRACE(pDM_Odm,ODM_COMP_DYNAMIC_PRICCA, ODM_DBG_LOUD, ("STA NOT Connected!!!!\n"));
|
|
if(PrimaryCCA->PriCCA_flag == 1) // reset primary cca when STA is disconnected
|
{
|
PrimaryCCA->PriCCA_flag = 0;
|
ODM_SetBBReg(pDM_Odm, 0xc6c, BIT8|BIT7, 0);
|
}
|
if(PrimaryCCA->DupRTS_flag == 1) // reset Duplicate RTS when STA is disconnected
|
PrimaryCCA->DupRTS_flag = 0;
|
|
if(SecCHOffset == 1) // secondary channel is below the primary channel
|
{
|
if((FalseAlmCnt->Cnt_OFDM_CCA > 800)&&(FalseAlmCnt->Cnt_BW_LSC*5 > FalseAlmCnt->Cnt_BW_USC*9))
|
{
|
PrimaryCCA->intf_flag = 1; // secondary channel interference is detected!!!
|
if(FalseAlmCnt->Cnt_Ofdm_fail > FalseAlmCnt->Cnt_OFDM_CCA>>1)
|
PrimaryCCA->intf_type = 1; // interference is shift
|
else
|
PrimaryCCA->intf_type = 2; // interference is in-band
|
}
|
else
|
{
|
PrimaryCCA->intf_flag = 0;
|
PrimaryCCA->intf_type = 0;
|
}
|
}
|
else if(SecCHOffset == 2) // secondary channel is above the primary channel
|
{
|
if((FalseAlmCnt->Cnt_OFDM_CCA > 800)&&(FalseAlmCnt->Cnt_BW_USC*5 > FalseAlmCnt->Cnt_BW_LSC*9))
|
{
|
PrimaryCCA->intf_flag = 1; // secondary channel interference is detected!!!
|
if(FalseAlmCnt->Cnt_Ofdm_fail > FalseAlmCnt->Cnt_OFDM_CCA>>1)
|
PrimaryCCA->intf_type = 1; // interference is shift
|
else
|
PrimaryCCA->intf_type = 2; // interference is in-band
|
}
|
else
|
{
|
PrimaryCCA->intf_flag = 0;
|
PrimaryCCA->intf_type = 0;
|
}
|
}
|
ODM_RT_TRACE(pDM_Odm,ODM_COMP_DYNAMIC_PRICCA, ODM_DBG_LOUD, ("PrimaryCCA=%d\n",PrimaryCCA->PriCCA_flag));
|
ODM_RT_TRACE(pDM_Odm,ODM_COMP_DYNAMIC_PRICCA, ODM_DBG_LOUD, ("Intf_Type=%d\n", PrimaryCCA->intf_type));
|
}
|
//2 STA is Connected
|
else
|
{
|
if(Client_40MHz == 0) //3 // client BW = 20MHz
|
{
|
if(PrimaryCCA->PriCCA_flag == 0)
|
{
|
PrimaryCCA->PriCCA_flag = 1;
|
if(SecCHOffset==1)
|
ODM_SetBBReg(pDM_Odm, 0xc6c, BIT8|BIT7, 2);
|
else if(SecCHOffset==2)
|
ODM_SetBBReg(pDM_Odm, 0xc6c, BIT8|BIT7, 1);
|
}
|
ODM_RT_TRACE(pDM_Odm,ODM_COMP_DYNAMIC_PRICCA, ODM_DBG_LOUD, ("STA Connected 20M!!! PrimaryCCA=%d\n", PrimaryCCA->PriCCA_flag));
|
}
|
else //3 // client BW = 40MHz
|
{
|
if(PrimaryCCA->intf_flag == 1) // interference is detected!!
|
{
|
if(PrimaryCCA->intf_type == 1)
|
{
|
if(PrimaryCCA->PriCCA_flag!=1)
|
{
|
PrimaryCCA->PriCCA_flag = 1;
|
if(SecCHOffset==1)
|
ODM_SetBBReg(pDM_Odm, 0xc6c, BIT8|BIT7, 2);
|
else if(SecCHOffset==2)
|
ODM_SetBBReg(pDM_Odm, 0xc6c, BIT8|BIT7, 1);
|
}
|
}
|
else if(PrimaryCCA->intf_type == 2)
|
{
|
if(PrimaryCCA->DupRTS_flag!=1)
|
PrimaryCCA->DupRTS_flag = 1;
|
}
|
}
|
else // if intf_flag==0
|
{
|
if((curTxOkCnt+curRxOkCnt)<10000) //idle mode or TP traffic is very low
|
{
|
if(SecCHOffset == 1)
|
{
|
if((FalseAlmCnt->Cnt_OFDM_CCA > 800)&&(FalseAlmCnt->Cnt_BW_LSC*5 > FalseAlmCnt->Cnt_BW_USC*9))
|
{
|
PrimaryCCA->intf_flag = 1;
|
if(FalseAlmCnt->Cnt_Ofdm_fail > FalseAlmCnt->Cnt_OFDM_CCA>>1)
|
PrimaryCCA->intf_type = 1; // interference is shift
|
else
|
PrimaryCCA->intf_type = 2; // interference is in-band
|
}
|
}
|
else if(SecCHOffset == 2)
|
{
|
if((FalseAlmCnt->Cnt_OFDM_CCA > 800)&&(FalseAlmCnt->Cnt_BW_USC*5 > FalseAlmCnt->Cnt_BW_LSC*9))
|
{
|
PrimaryCCA->intf_flag = 1;
|
if(FalseAlmCnt->Cnt_Ofdm_fail > FalseAlmCnt->Cnt_OFDM_CCA>>1)
|
PrimaryCCA->intf_type = 1; // interference is shift
|
else
|
PrimaryCCA->intf_type = 2; // interference is in-band
|
}
|
|
}
|
}
|
else // TP Traffic is High
|
{
|
if(SecCHOffset == 1)
|
{
|
if(FalseAlmCnt->Cnt_BW_LSC > (FalseAlmCnt->Cnt_BW_USC+500))
|
{
|
if(Delay == 0) // add delay to avoid interference occurring abruptly, jump one time
|
{
|
PrimaryCCA->intf_flag = 1;
|
if(FalseAlmCnt->Cnt_Ofdm_fail > FalseAlmCnt->Cnt_OFDM_CCA>>1)
|
PrimaryCCA->intf_type = 1; // interference is shift
|
else
|
PrimaryCCA->intf_type = 2; // interference is in-band
|
Delay = 1;
|
}
|
else
|
Delay = 0;
|
}
|
}
|
else if(SecCHOffset == 2)
|
{
|
if(FalseAlmCnt->Cnt_BW_USC > (FalseAlmCnt->Cnt_BW_LSC+500))
|
{
|
if(Delay == 0) // add delay to avoid interference occurring abruptly
|
{
|
PrimaryCCA->intf_flag = 1;
|
if(FalseAlmCnt->Cnt_Ofdm_fail > FalseAlmCnt->Cnt_OFDM_CCA>>1)
|
PrimaryCCA->intf_type = 1; // interference is shift
|
else
|
PrimaryCCA->intf_type = 2; // interference is in-band
|
Delay = 1;
|
}
|
else
|
Delay = 0;
|
}
|
}
|
}
|
}
|
ODM_RT_TRACE(pDM_Odm,ODM_COMP_DYNAMIC_PRICCA, ODM_DBG_LOUD, ("Primary CCA=%d\n", PrimaryCCA->PriCCA_flag));
|
ODM_RT_TRACE(pDM_Odm,ODM_COMP_DYNAMIC_PRICCA, ODM_DBG_LOUD, ("Duplicate RTS=%d\n", PrimaryCCA->DupRTS_flag));
|
}
|
|
}// end of connected
|
}
|
}
|
//1 Dynamic Primary CCA Monitor Counter
|
if((PrimaryCCA->PriCCA_flag == 1)||(PrimaryCCA->DupRTS_flag == 1))
|
{
|
if(Client_40MHz == 0) // client=20M no need to monitor primary cca flag
|
{
|
Client_40MHz_pre = Client_40MHz;
|
return;
|
}
|
Counter++;
|
ODM_RT_TRACE(pDM_Odm,ODM_COMP_DYNAMIC_PRICCA, ODM_DBG_LOUD, ("Counter=%d\n", Counter));
|
if((Counter == 30)||((Client_40MHz -Client_40MHz_pre)==1)) // Every 60 sec to monitor one time
|
{
|
PrimaryCCA->Monitor_flag = 1; // monitor flag is triggered!!!!!
|
if(PrimaryCCA->PriCCA_flag == 1)
|
{
|
PrimaryCCA->PriCCA_flag = 0;
|
ODM_SetBBReg(pDM_Odm, 0xc6c, BIT8|BIT7, 0);
|
}
|
Counter = 0;
|
}
|
}
|
}
|
|
Client_40MHz_pre = Client_40MHz;
|
}
|
#else //#if (RTL8188E_SUPPORT == 1)
|
|
VOID
|
odm_PrimaryCCA_Init(
|
IN PDM_ODM_T pDM_Odm)
|
{
|
}
|
VOID
|
odm_DynamicPrimaryCCA(
|
IN PDM_ODM_T pDM_Odm
|
)
|
{
|
}
|
BOOLEAN
|
ODM_DynamicPrimaryCCA_DupRTS(
|
IN PDM_ODM_T pDM_Odm
|
)
|
{
|
return FALSE;
|
}
|
#endif //#if (RTL8188E_SUPPORT == 1)
|
