static void
ap_beacon_process(
tpAniSirGlobal pMac,
tANI_U8* pRxPacketInfo,
tpSchBeaconStruct pBcnStruct,
tpUpdateBeaconParams pBeaconParams,
tpPESession psessionEntry)
{
tpSirMacMgmtHdr pMh = WDA_GET_RX_MAC_HEADER(pRxPacketInfo);
tANI_U32 phyMode;
tSirRFBand rfBand = SIR_BAND_UNKNOWN;
//Get RF band from psessionEntry
rfBand = psessionEntry->limRFBand;
limGetPhyMode(pMac, &phyMode, psessionEntry);
if(SIR_BAND_5_GHZ == rfBand)
{
if (psessionEntry->htCapability)
{
if (pBcnStruct->channelNumber == psessionEntry->currentOperChannel)
{
//11a (non HT) AP overlaps or
//HT AP with HT op mode as mixed overlaps.
//HT AP with HT op mode as overlap legacy overlaps.
if ((!pBcnStruct->HTInfo.present) ||
(eSIR_HT_OP_MODE_MIXED == pBcnStruct->HTInfo.opMode) ||
(eSIR_HT_OP_MODE_OVERLAP_LEGACY == pBcnStruct->HTInfo.opMode))
{
limUpdateOverlapStaParam(pMac, pMh->bssId, &(pMac->lim.gLimOverlap11aParams));
if (pMac->lim.gLimOverlap11aParams.numSta &&
!pMac->lim.gLimOverlap11aParams.protectionEnabled)
{
limEnable11aProtection(pMac, true, true, pBeaconParams,psessionEntry);
}
}
//HT AP with HT20 op mode overlaps.
else if(eSIR_HT_OP_MODE_NO_LEGACY_20MHZ_HT == pBcnStruct->HTInfo.opMode)
{
limUpdateOverlapStaParam(pMac, pMh->bssId, &(pMac->lim.gLimOverlapHt20Params));
if (pMac->lim.gLimOverlapHt20Params.numSta &&
!pMac->lim.gLimOverlapHt20Params.protectionEnabled)
{
limEnableHT20Protection(pMac, true, true, pBeaconParams,psessionEntry);
}
}
}
}
}
else if(SIR_BAND_2_4_GHZ == rfBand)
{
//We are 11G AP.
if ((phyMode == WNI_CFG_PHY_MODE_11G) &&
(false == psessionEntry->htCapability))
{
if (pBcnStruct->channelNumber == psessionEntry->currentOperChannel)
{
if (((!(pBcnStruct->erpPresent)) &&
!(pBcnStruct->HTInfo.present))||
//if erp not present then 11B AP overlapping
(pBcnStruct->erpPresent &&
(pBcnStruct->erpIEInfo.useProtection ||
pBcnStruct->erpIEInfo.nonErpPresent)))
{
#ifdef FEATURE_WLAN_ESE
if( psessionEntry->isESEconnection )
{
VOS_TRACE (VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_INFO,
"%s: [INFOLOG]ESE 11g erpPresent=%d useProtection=%d nonErpPresent=%d", __func__,
pBcnStruct->erpPresent,
pBcnStruct->erpIEInfo.useProtection,
pBcnStruct->erpIEInfo.nonErpPresent);
}
#endif
limEnableOverlap11gProtection(pMac, pBeaconParams, pMh,psessionEntry);
}
}
}
// handling the case when HT AP has overlapping legacy BSS.
else if(psessionEntry->htCapability)
{
if (pBcnStruct->channelNumber == psessionEntry->currentOperChannel)
{
if (((!(pBcnStruct->erpPresent)) &&
!(pBcnStruct->HTInfo.present))||
//if erp not present then 11B AP overlapping
(pBcnStruct->erpPresent &&
(pBcnStruct->erpIEInfo.useProtection ||
pBcnStruct->erpIEInfo.nonErpPresent)))
{
#ifdef FEATURE_WLAN_ESE
if( psessionEntry->isESEconnection )
{
VOS_TRACE (VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_INFO,
"%s: [INFOLOG]ESE 11g erpPresent=%d useProtection=%d nonErpPresent=%d", __func__,
pBcnStruct->erpPresent,
pBcnStruct->erpIEInfo.useProtection,
pBcnStruct->erpIEInfo.nonErpPresent);
}
#endif
limEnableOverlap11gProtection(pMac, pBeaconParams, pMh,psessionEntry);
}
//11g device overlaps
if (pBcnStruct->erpPresent &&
!(pBcnStruct->erpIEInfo.useProtection ||
pBcnStruct->erpIEInfo.nonErpPresent) && !(pBcnStruct->HTInfo.present))
{
limUpdateOverlapStaParam(pMac, pMh->bssId, &(psessionEntry->gLimOverlap11gParams));
if (psessionEntry->gLimOverlap11gParams.numSta &&
!psessionEntry->gLimOverlap11gParams.protectionEnabled)
{
limEnableHtProtectionFrom11g(pMac, true, true, pBeaconParams,psessionEntry);
}
}
//ht device overlaps.
//here we will check for HT related devices only which might need protection.
//check for 11b and 11g is already done in the previous blocks.
//so we will not check for HT operating mode as MIXED.
if (pBcnStruct->HTInfo.present)
{
//if we are not already in mixed mode or legacy mode as HT operating mode
//and received beacon has HT operating mode as legacy
//then we need to enable protection from 11g station.
//we don't need protection from 11b because if that's needed then our operating
//mode would have already been set to legacy in the previous blocks.
if(eSIR_HT_OP_MODE_OVERLAP_LEGACY == pBcnStruct->HTInfo.opMode)
{
if((eSIR_HT_OP_MODE_MIXED != pMac->lim.gHTOperMode) &&
(eSIR_HT_OP_MODE_OVERLAP_LEGACY != pMac->lim.gHTOperMode))
{
limUpdateOverlapStaParam(pMac, pMh->bssId, &(psessionEntry->gLimOverlap11gParams));
if (psessionEntry->gLimOverlap11gParams.numSta &&
!psessionEntry->gLimOverlap11gParams.protectionEnabled)
{
limEnableHtProtectionFrom11g(pMac, true, true, pBeaconParams,psessionEntry);
}
}
}
else if(eSIR_HT_OP_MODE_NO_LEGACY_20MHZ_HT == pBcnStruct->HTInfo.opMode)
{
limUpdateOverlapStaParam(pMac, pMh->bssId, &(psessionEntry->gLimOverlapHt20Params));
if (psessionEntry->gLimOverlapHt20Params.numSta &&
!psessionEntry->gLimOverlapHt20Params.protectionEnabled)
{
limEnableHT20Protection(pMac, true, true, pBeaconParams,psessionEntry);
}
}
}
}
}
}
pMac->sch.gSchBcnIgnored++;
}
static void
ap_beacon_process(
tpAniSirGlobal pMac,
tANI_U8* pRxPacketInfo,
tpSchBeaconStruct pBcnStruct,
tpUpdateBeaconParams pBeaconParams,
tpPESession psessionEntry)
{
tpSirMacMgmtHdr pMh = WDA_GET_RX_MAC_HEADER(pRxPacketInfo);
tANI_U32 phyMode;
tSirRFBand rfBand = SIR_BAND_UNKNOWN;
rfBand = psessionEntry->limRFBand;
limGetPhyMode(pMac, &phyMode, psessionEntry);
if(SIR_BAND_5_GHZ == rfBand)
{
if (psessionEntry->htCapability)
{
if (pBcnStruct->channelNumber == psessionEntry->currentOperChannel)
{
if ((!pBcnStruct->HTInfo.present) ||
(eSIR_HT_OP_MODE_MIXED == pBcnStruct->HTInfo.opMode) ||
(eSIR_HT_OP_MODE_OVERLAP_LEGACY == pBcnStruct->HTInfo.opMode))
{
limUpdateOverlapStaParam(pMac, pMh->bssId, &(pMac->lim.gLimOverlap11aParams));
if (pMac->lim.gLimOverlap11aParams.numSta &&
!pMac->lim.gLimOverlap11aParams.protectionEnabled)
{
limEnable11aProtection(pMac, true, true, pBeaconParams,psessionEntry);
}
}
else if(eSIR_HT_OP_MODE_NO_LEGACY_20MHZ_HT == pBcnStruct->HTInfo.opMode)
{
limUpdateOverlapStaParam(pMac, pMh->bssId, &(pMac->lim.gLimOverlapHt20Params));
if (pMac->lim.gLimOverlapHt20Params.numSta &&
!pMac->lim.gLimOverlapHt20Params.protectionEnabled)
{
limEnableHT20Protection(pMac, true, true, pBeaconParams,psessionEntry);
}
}
}
}
}
else if(SIR_BAND_2_4_GHZ == rfBand)
{
if ((phyMode == WNI_CFG_PHY_MODE_11G) &&
(false == psessionEntry->htCapability))
{
if (pBcnStruct->channelNumber == psessionEntry->currentOperChannel)
{
if (((!(pBcnStruct->erpPresent)) &&
!(pBcnStruct->HTInfo.present))||
(pBcnStruct->erpPresent &&
(pBcnStruct->erpIEInfo.useProtection ||
pBcnStruct->erpIEInfo.nonErpPresent)))
{
#ifdef FEATURE_WLAN_CCX
if( psessionEntry->isCCXconnection )
{
VOS_TRACE (VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_INFO,
"%s: [INFOLOG]CCX 11g erpPresent=%d useProtection=%d nonErpPresent=%d", __func__,
pBcnStruct->erpPresent,
pBcnStruct->erpIEInfo.useProtection,
pBcnStruct->erpIEInfo.nonErpPresent);
}
#endif
limEnableOverlap11gProtection(pMac, pBeaconParams, pMh,psessionEntry);
}
}
}
else if(psessionEntry->htCapability)
{
if (pBcnStruct->channelNumber == psessionEntry->currentOperChannel)
{
if (((!(pBcnStruct->erpPresent)) &&
!(pBcnStruct->HTInfo.present))||
(pBcnStruct->erpPresent &&
(pBcnStruct->erpIEInfo.useProtection ||
pBcnStruct->erpIEInfo.nonErpPresent)))
{
#ifdef FEATURE_WLAN_CCX
if( psessionEntry->isCCXconnection )
{
VOS_TRACE (VOS_MODULE_ID_PE, VOS_TRACE_LEVEL_INFO,
"%s: [INFOLOG]CCX 11g erpPresent=%d useProtection=%d nonErpPresent=%d", __func__,
pBcnStruct->erpPresent,
pBcnStruct->erpIEInfo.useProtection,
pBcnStruct->erpIEInfo.nonErpPresent);
}
#endif
limEnableOverlap11gProtection(pMac, pBeaconParams, pMh,psessionEntry);
}
if (pBcnStruct->erpPresent &&
!(pBcnStruct->erpIEInfo.useProtection ||
pBcnStruct->erpIEInfo.nonErpPresent) && !(pBcnStruct->HTInfo.present))
{
limUpdateOverlapStaParam(pMac, pMh->bssId, &(psessionEntry->gLimOverlap11gParams));
if (psessionEntry->gLimOverlap11gParams.numSta &&
!psessionEntry->gLimOverlap11gParams.protectionEnabled)
{
limEnableHtProtectionFrom11g(pMac, true, true, pBeaconParams,psessionEntry);
}
}
if (pBcnStruct->HTInfo.present)
{
if(eSIR_HT_OP_MODE_OVERLAP_LEGACY == pBcnStruct->HTInfo.opMode)
{
if((eSIR_HT_OP_MODE_MIXED != pMac->lim.gHTOperMode) &&
(eSIR_HT_OP_MODE_OVERLAP_LEGACY != pMac->lim.gHTOperMode))
{
limUpdateOverlapStaParam(pMac, pMh->bssId, &(psessionEntry->gLimOverlap11gParams));
if (psessionEntry->gLimOverlap11gParams.numSta &&
!psessionEntry->gLimOverlap11gParams.protectionEnabled)
{
limEnableHtProtectionFrom11g(pMac, true, true, pBeaconParams,psessionEntry);
}
}
}
else if(eSIR_HT_OP_MODE_NO_LEGACY_20MHZ_HT == pBcnStruct->HTInfo.opMode)
{
limUpdateOverlapStaParam(pMac, pMh->bssId, &(psessionEntry->gLimOverlapHt20Params));
if (psessionEntry->gLimOverlapHt20Params.numSta &&
!psessionEntry->gLimOverlapHt20Params.protectionEnabled)
{
limEnableHT20Protection(pMac, true, true, pBeaconParams,psessionEntry);
}
}
}
}
}
}
pMac->sch.gSchBcnIgnored++;
}