/* DTS Rx packet function.
* This function should be invoked by the transport device to indicate
* reception of a frame.
* Parameters:
* pContext:Cookie that should be passed back to the caller
* pFrame:Refernce to PAL frame.
* Return Value: SUCCESS Completed successfully.
* FAILURE_XXX Request was rejected due XXX Reason.
*
*/
wpt_status WDTS_RxPacket (void *pContext, wpt_packet *pFrame, WDTS_ChannelType channel)
{
WDI_DS_ClientDataType *pClientData =
(WDI_DS_ClientDataType*)(pContext);
wpt_boolean bASF, bFSF, bLSF, bAEF;
wpt_uint8 ucMPDUHOffset, ucMPDUHLen, ucTid;
wpt_uint8 *pBDHeader;
wpt_uint16 usMPDUDOffset, usMPDULen;
WDI_DS_RxMetaInfoType *pRxMetadata;
wpt_uint8 isFcBd = 0;
tpSirMacFrameCtl pMacFrameCtl;
// Do Sanity checks
if(NULL == pContext || NULL == pFrame){
return eWLAN_PAL_STATUS_E_FAILURE;
}
/*------------------------------------------------------------------------
Extract BD header and check if valid
------------------------------------------------------------------------*/
pBDHeader = (wpt_uint8*)wpalPacketGetRawBuf(pFrame);
if(NULL == pBDHeader)
{
DTI_TRACE( DTI_TRACE_LEVEL_ERROR,
"WLAN TL:BD header received NULL - dropping packet");
wpalPacketFree(pFrame);
return eWLAN_PAL_STATUS_E_FAILURE;
}
WDI_SwapRxBd(pBDHeader);
ucMPDUHOffset = (wpt_uint8)WDI_RX_BD_GET_MPDU_H_OFFSET(pBDHeader);
usMPDUDOffset = (wpt_uint16)WDI_RX_BD_GET_MPDU_D_OFFSET(pBDHeader);
usMPDULen = (wpt_uint16)WDI_RX_BD_GET_MPDU_LEN(pBDHeader);
ucMPDUHLen = (wpt_uint8)WDI_RX_BD_GET_MPDU_H_LEN(pBDHeader);
ucTid = (wpt_uint8)WDI_RX_BD_GET_TID(pBDHeader);
/* If RX thread drain small size of frame from HW too fast
* Sometimes HW cannot handle interrupt fast enough
* And system crash might happen
* To avoid system crash, input 1usec delay each frame draining
* within host side, if frame size is smaller that threshold.
* This is SW work around, to fix HW problem
* Throughput and SnS test done successfully */
if (usMPDULen < DTS_RX_DELAY_FRAMESIZE_THRESHOLD)
{
wpalBusyWait(1);
}
/*------------------------------------------------------------------------
Gather AMSDU information
------------------------------------------------------------------------*/
bASF = WDI_RX_BD_GET_ASF(pBDHeader);
bAEF = WDI_RX_BD_GET_AEF(pBDHeader);
bFSF = WDI_RX_BD_GET_ESF(pBDHeader);
bLSF = WDI_RX_BD_GET_LSF(pBDHeader);
isFcBd = WDI_RX_FC_BD_GET_FC(pBDHeader);
DTI_TRACE( DTI_TRACE_LEVEL_INFO,
"WLAN TL:BD header processing data: HO %d DO %d Len %d HLen %d"
" Tid %d BD %d",
ucMPDUHOffset, usMPDUDOffset, usMPDULen, ucMPDUHLen, ucTid,
WDI_RX_BD_HEADER_SIZE);
if(!isFcBd)
{
if(usMPDUDOffset <= ucMPDUHOffset || usMPDULen < ucMPDUHLen) {
DTI_TRACE( DTI_TRACE_LEVEL_ERROR,
"WLAN TL:BD header corrupted - dropping packet");
/* Drop packet ???? */
wpalPacketFree(pFrame);
return eWLAN_PAL_STATUS_SUCCESS;
}
if((ucMPDUHOffset < WDI_RX_BD_HEADER_SIZE) && (!(bASF && !bFSF))){
/* AMSDU case, ucMPDUHOffset = 0 it should be hancdled seperatly */
/* Drop packet ???? */
wpalPacketFree(pFrame);
return eWLAN_PAL_STATUS_SUCCESS;
}
/* AMSDU frame, but not first sub-frame
* No MPDU header, MPDU header offset is 0
* Total frame size is actual frame size + MPDU data offset */
if((ucMPDUHOffset < WDI_RX_BD_HEADER_SIZE) && (bASF && !bFSF)){
ucMPDUHOffset = usMPDUDOffset;
}
if(VPKT_SIZE_BUFFER < (usMPDULen+ucMPDUHOffset)){
DTI_TRACE( DTI_TRACE_LEVEL_FATAL,
"Invalid Frame size, might memory corrupted");
/* Size of the packet tranferred by the DMA engine is
* greater than the the memory allocated for the skb
*/
WPAL_BUG(0);
wpalPacketFree(pFrame);
return eWLAN_PAL_STATUS_SUCCESS;
}
if(eWLAN_PAL_STATUS_SUCCESS != wpalPacketSetRxLength(pFrame, usMPDULen+ucMPDUHOffset))
{
DTI_TRACE( DTI_TRACE_LEVEL_ERROR, "Invalid Frame Length, Frame dropped..");
wpalPacketFree(pFrame);
return eWLAN_PAL_STATUS_SUCCESS;
}
if(eWLAN_PAL_STATUS_SUCCESS != wpalPacketRawTrimHead(pFrame, ucMPDUHOffset))
{
DTI_TRACE( DTI_TRACE_LEVEL_ERROR, "Failed to trim Raw Packet Head, Frame dropped..");
wpalPacketFree(pFrame);
return eWLAN_PAL_STATUS_SUCCESS;
}
pRxMetadata = WDI_DS_ExtractRxMetaData(pFrame);
pRxMetadata->fc = isFcBd;
pRxMetadata->staId = WDI_RX_BD_GET_STA_ID(pBDHeader);
pRxMetadata->addr3Idx = WDI_RX_BD_GET_ADDR3_IDX(pBDHeader);
pRxMetadata->rxChannel = WDI_RX_BD_GET_RX_CHANNEL(pBDHeader);
pRxMetadata->rfBand = WDI_RX_BD_GET_RFBAND(pBDHeader);
pRxMetadata->rtsf = WDI_RX_BD_GET_RTSF(pBDHeader);
pRxMetadata->bsf = WDI_RX_BD_GET_BSF(pBDHeader);
pRxMetadata->scan = WDI_RX_BD_GET_SCAN(pBDHeader);
pRxMetadata->dpuSig = WDI_RX_BD_GET_DPU_SIG(pBDHeader);
pRxMetadata->ft = WDI_RX_BD_GET_FT(pBDHeader);
pRxMetadata->ne = WDI_RX_BD_GET_NE(pBDHeader);
pRxMetadata->llcr = WDI_RX_BD_GET_LLCR(pBDHeader);
pRxMetadata->bcast = WDI_RX_BD_GET_UB(pBDHeader);
pRxMetadata->tid = ucTid;
pRxMetadata->dpuFeedback = WDI_RX_BD_GET_DPU_FEEDBACK(pBDHeader);
pRxMetadata->rateIndex = WDI_RX_BD_GET_RATEINDEX(pBDHeader);
pRxMetadata->rxpFlags = WDI_RX_BD_GET_RXPFLAGS(pBDHeader);
pRxMetadata->mclkRxTimestamp = WDI_RX_BD_GET_TIMESTAMP(pBDHeader);
#ifdef WLAN_FEATURE_11W
pRxMetadata->rmf = WDI_RX_BD_GET_RMF(pBDHeader);
#endif
#ifdef WLAN_FEATURE_ROAM_SCAN_OFFLOAD
pRxMetadata->offloadScanLearn = WDI_RX_BD_GET_OFFLOADSCANLEARN(pBDHeader);
pRxMetadata->roamCandidateInd = WDI_RX_BD_GET_ROAMCANDIDATEIND(pBDHeader);
#endif
/* typeSubtype in BD doesn't look like correct. Fill from frame ctrl
TL does it for Volans but TL does not know BD for Prima. WDI should do it */
if ( 0 == WDI_RX_BD_GET_FT(pBDHeader) ) {
if ( bASF ) {
pRxMetadata->subtype = WDI_MAC_DATA_QOS_DATA;
pRxMetadata->type = WDI_MAC_DATA_FRAME;
} else {
pMacFrameCtl = (tpSirMacFrameCtl)(((wpt_uint8*)pBDHeader) + ucMPDUHOffset);
pRxMetadata->subtype = pMacFrameCtl->subType;
pRxMetadata->type = pMacFrameCtl->type;
}
} else {
pMacFrameCtl = (tpSirMacFrameCtl)(((wpt_uint8*)pBDHeader) + WDI_RX_BD_HEADER_SIZE);
pRxMetadata->subtype = pMacFrameCtl->subType;
pRxMetadata->type = pMacFrameCtl->type;
}
pRxMetadata->mpduHeaderPtr = pBDHeader + ucMPDUHOffset;
pRxMetadata->mpduDataPtr = pBDHeader + usMPDUDOffset;
pRxMetadata->mpduLength = usMPDULen;
pRxMetadata->mpduHeaderLength = ucMPDUHLen;
/*------------------------------------------------------------------------
Gather AMPDU information
------------------------------------------------------------------------*/
pRxMetadata->ampdu_reorderOpcode = (wpt_uint8)WDI_RX_BD_GET_BA_OPCODE(pBDHeader);
pRxMetadata->ampdu_reorderSlotIdx = (wpt_uint8)WDI_RX_BD_GET_BA_SI(pBDHeader);
pRxMetadata->ampdu_reorderFwdIdx = (wpt_uint8)WDI_RX_BD_GET_BA_FI(pBDHeader);
pRxMetadata->currentPktSeqNo = (wpt_uint16)WDI_RX_BD_GET_BA_CSN(pBDHeader);
/*------------------------------------------------------------------------
Gather AMSDU information
------------------------------------------------------------------------*/
pRxMetadata->amsdu_asf = bASF;
pRxMetadata->amsdu_aef = bAEF;
pRxMetadata->amsdu_esf = bFSF;
pRxMetadata->amsdu_lsf = bLSF;
pRxMetadata->amsdu_size = WDI_RX_BD_GET_AMSDU_SIZE(pBDHeader);
pRxMetadata->rssi0 = WDI_RX_BD_GET_RSSI0(pBDHeader);
pRxMetadata->rssi1 = WDI_RX_BD_GET_RSSI1(pBDHeader);
/* Missing:
wpt_uint32 fcSTATxQStatus:8;
wpt_uint32 fcSTAThreshIndMask:8;
wpt_uint32 fcSTAPwrSaveStateMask:8;
wpt_uint32 fcSTAValidMask:8;
wpt_uint8 fcSTATxQLen[8]; // one byte per STA.
wpt_uint8 fcSTACurTxRate[8]; // current Tx rate for each sta.
unknownUcastPkt
*/
pRxMetadata->replayCount = WDTS_GetReplayCounterFromRxBD(pBDHeader);
pRxMetadata->snr = WDI_RX_BD_GET_SNR(pBDHeader);
/*
* PAL BD pointer information needs to be populated
*/
WPAL_PACKET_SET_BD_POINTER(pFrame, pBDHeader);
WPAL_PACKET_SET_BD_LENGTH(pFrame, sizeof(WDI_RxBdType));
// Invoke Rx complete callback
pClientData->receiveFrameCB(pClientData->pCallbackContext, pFrame);
}
else
{
wpalPacketSetRxLength(pFrame, usMPDULen+ucMPDUHOffset);
wpalPacketRawTrimHead(pFrame, ucMPDUHOffset);
pRxMetadata = WDI_DS_ExtractRxMetaData(pFrame);
//flow control related
pRxMetadata->fc = isFcBd;
pRxMetadata->mclkRxTimestamp = WDI_RX_BD_GET_TIMESTAMP(pBDHeader);
pRxMetadata->fcStaTxDisabledBitmap = WDI_RX_FC_BD_GET_STA_TX_DISABLED_BITMAP(pBDHeader);
pRxMetadata->fcSTAValidMask = WDI_RX_FC_BD_GET_STA_VALID_MASK(pBDHeader);
// Invoke Rx complete callback
pClientData->receiveFrameCB(pClientData->pCallbackContext, pFrame);
}
//Log the RX Stats
if(gDsTrafficStats.running && pRxMetadata->staId < HAL_NUM_STA)
{
if(pRxMetadata->rateIndex < WDTS_MAX_RATE_NUM)
{
if(pRxMetadata->type == WDI_MAC_DATA_FRAME)
{
gDsTrafficStats.rxStats[pRxMetadata->staId][pRxMetadata->rateIndex].rxBytesRcvd +=
pRxMetadata->mpduLength;
gDsTrafficStats.rxStats[pRxMetadata->staId][pRxMetadata->rateIndex].rxPacketsRcvd++;
}
}
}
return eWLAN_PAL_STATUS_SUCCESS;
}
/* DTS Rx packet function.
* This function should be invoked by the transport device to indicate
* reception of a frame.
* Parameters:
* pContext:Cookie that should be passed back to the caller
* pFrame:Refernce to PAL frame.
* Return Value: SUCCESS Completed successfully.
* FAILURE_XXX Request was rejected due XXX Reason.
*
*/
wpt_status WDTS_RxPacket (void *pContext, wpt_packet *pFrame, WDTS_ChannelType channel)
{
WDI_DS_ClientDataType *pClientData =
(WDI_DS_ClientDataType*)(pContext);
wpt_boolean bASF, bFSF, bLSF, bAEF;
wpt_uint8 ucMPDUHOffset, ucMPDUHLen, ucTid;
wpt_uint8 *pBDHeader;
wpt_uint16 usMPDUDOffset, usMPDULen;
WDI_DS_RxMetaInfoType *pRxMetadata;
wpt_uint8 isFcBd = 0;
tpSirMacFrameCtl pMacFrameCtl;
// Do Sanity checks
if(NULL == pContext || NULL == pFrame){
return eWLAN_PAL_STATUS_E_FAILURE;
}
/*------------------------------------------------------------------------
Extract BD header and check if valid
------------------------------------------------------------------------*/
pBDHeader = (wpt_uint8*)wpalPacketGetRawBuf(pFrame);
if(NULL == pBDHeader)
{
DTI_TRACE( DTI_TRACE_LEVEL_ERROR,
"WLAN TL:BD header received NULL - dropping packet");
wpalPacketFree(pFrame);
return eWLAN_PAL_STATUS_E_FAILURE;
}
WDI_SwapRxBd(pBDHeader);
ucMPDUHOffset = (wpt_uint8)WDI_RX_BD_GET_MPDU_H_OFFSET(pBDHeader);
usMPDUDOffset = (wpt_uint16)WDI_RX_BD_GET_MPDU_D_OFFSET(pBDHeader);
usMPDULen = (wpt_uint16)WDI_RX_BD_GET_MPDU_LEN(pBDHeader);
ucMPDUHLen = (wpt_uint8)WDI_RX_BD_GET_MPDU_H_LEN(pBDHeader);
ucTid = (wpt_uint8)WDI_RX_BD_GET_TID(pBDHeader);
/*------------------------------------------------------------------------
Gather AMSDU information
------------------------------------------------------------------------*/
bASF = WDI_RX_BD_GET_ASF(pBDHeader);
bAEF = WDI_RX_BD_GET_AEF(pBDHeader);
bFSF = WDI_RX_BD_GET_ESF(pBDHeader);
bLSF = WDI_RX_BD_GET_LSF(pBDHeader);
isFcBd = WDI_RX_FC_BD_GET_FC(pBDHeader);
DTI_TRACE( DTI_TRACE_LEVEL_INFO,
"WLAN TL:BD header processing data: HO %d DO %d Len %d HLen %d"
" Tid %d BD %d",
ucMPDUHOffset, usMPDUDOffset, usMPDULen, ucMPDUHLen, ucTid,
WDI_RX_BD_HEADER_SIZE);
if(!isFcBd)
{
if(usMPDUDOffset <= ucMPDUHOffset || usMPDULen < ucMPDUHLen) {
DTI_TRACE( DTI_TRACE_LEVEL_ERROR,
"WLAN TL:BD header corrupted - dropping packet");
/* Drop packet ???? */
wpalPacketFree(pFrame);
return eWLAN_PAL_STATUS_SUCCESS;
}
if((ucMPDUHOffset < WDI_RX_BD_HEADER_SIZE) && (!(bASF && !bFSF))){
/* AMSDU case, ucMPDUHOffset = 0 it should be hancdled seperatly */
/* Drop packet ???? */
wpalPacketFree(pFrame);
return eWLAN_PAL_STATUS_SUCCESS;
}
/* AMSDU frame, but not first sub-frame
* No MPDU header, MPDU header offset is 0
* Total frame size is actual frame size + MPDU data offset */
if((ucMPDUHOffset < WDI_RX_BD_HEADER_SIZE) && (bASF && !bFSF)){
ucMPDUHOffset = usMPDUDOffset;
}
if(VPKT_SIZE_BUFFER < (usMPDULen+ucMPDUHOffset)){
DTI_TRACE( DTI_TRACE_LEVEL_FATAL,
"Invalid Frame size, might memory corrupted");
wpalPacketFree(pFrame);
return eWLAN_PAL_STATUS_SUCCESS;
}
wpalPacketSetRxLength(pFrame, usMPDULen+ucMPDUHOffset);
wpalPacketRawTrimHead(pFrame, ucMPDUHOffset);
pRxMetadata = WDI_DS_ExtractRxMetaData(pFrame);
pRxMetadata->fc = isFcBd;
pRxMetadata->staId = WDI_RX_BD_GET_STA_ID(pBDHeader);
pRxMetadata->addr3Idx = WDI_RX_BD_GET_ADDR3_IDX(pBDHeader);
pRxMetadata->rxChannel = WDI_RX_BD_GET_RX_CHANNEL(pBDHeader);
pRxMetadata->rtsf = WDI_RX_BD_GET_RTSF(pBDHeader);
pRxMetadata->bsf = WDI_RX_BD_GET_BSF(pBDHeader);
pRxMetadata->scan = WDI_RX_BD_GET_SCAN(pBDHeader);
pRxMetadata->dpuSig = WDI_RX_BD_GET_DPU_SIG(pBDHeader);
pRxMetadata->ft = WDI_RX_BD_GET_FT(pBDHeader);
pRxMetadata->ne = WDI_RX_BD_GET_NE(pBDHeader);
pRxMetadata->llcr = WDI_RX_BD_GET_LLCR(pBDHeader);
pRxMetadata->bcast = WDI_RX_BD_GET_UB(pBDHeader);
pRxMetadata->tid = ucTid;
pRxMetadata->dpuFeedback = WDI_RX_BD_GET_DPU_FEEDBACK(pBDHeader);
pRxMetadata->rateIndex = WDI_RX_BD_GET_RATEINDEX(pBDHeader);
pRxMetadata->rxpFlags = WDI_RX_BD_GET_RXPFLAGS(pBDHeader);
pRxMetadata->mclkRxTimestamp = WDI_RX_BD_GET_TIMESTAMP(pBDHeader);
/* typeSubtype in BD doesn't look like correct. Fill from frame ctrl
TL does it for Volans but TL does not know BD for Prima. WDI should do it */
if ( 0 == WDI_RX_BD_GET_FT(pBDHeader) ) {
if ( bASF ) {
pRxMetadata->subtype = WDI_MAC_DATA_QOS_DATA;
pRxMetadata->type = WDI_MAC_DATA_FRAME;
} else {
pMacFrameCtl = (tpSirMacFrameCtl)(((wpt_uint8*)pBDHeader) + ucMPDUHOffset);
pRxMetadata->subtype = pMacFrameCtl->subType;
pRxMetadata->type = pMacFrameCtl->type;
}
} else {
pMacFrameCtl = (tpSirMacFrameCtl)(((wpt_uint8*)pBDHeader) + WDI_RX_BD_HEADER_SIZE);
pRxMetadata->subtype = pMacFrameCtl->subType;
pRxMetadata->type = pMacFrameCtl->type;
}
pRxMetadata->mpduHeaderPtr = pBDHeader + ucMPDUHOffset;
pRxMetadata->mpduDataPtr = pBDHeader + usMPDUDOffset;
pRxMetadata->mpduLength = usMPDULen;
pRxMetadata->mpduHeaderLength = ucMPDUHLen;
/*------------------------------------------------------------------------
Gather AMPDU information
------------------------------------------------------------------------*/
pRxMetadata->ampdu_reorderOpcode = (wpt_uint8)WDI_RX_BD_GET_BA_OPCODE(pBDHeader);
pRxMetadata->ampdu_reorderSlotIdx = (wpt_uint8)WDI_RX_BD_GET_BA_SI(pBDHeader);
pRxMetadata->ampdu_reorderFwdIdx = (wpt_uint8)WDI_RX_BD_GET_BA_FI(pBDHeader);
pRxMetadata->currentPktSeqNo = (wpt_uint8)WDI_RX_BD_GET_BA_CSN(pBDHeader);
/*------------------------------------------------------------------------
Gather AMSDU information
------------------------------------------------------------------------*/
pRxMetadata->amsdu_asf = bASF;
pRxMetadata->amsdu_aef = bAEF;
pRxMetadata->amsdu_esf = bFSF;
pRxMetadata->amsdu_lsf = bLSF;
pRxMetadata->amsdu_size = WDI_RX_BD_GET_AMSDU_SIZE(pBDHeader);
pRxMetadata->rssi0 = WDI_RX_BD_GET_RSSI0(pBDHeader);
pRxMetadata->rssi1 = WDI_RX_BD_GET_RSSI1(pBDHeader);
/* Missing:
wpt_uint32 fcSTATxQStatus:8;
wpt_uint32 fcSTAThreshIndMask:8;
wpt_uint32 fcSTAPwrSaveStateMask:8;
wpt_uint32 fcSTAValidMask:8;
wpt_uint8 fcSTATxQLen[8]; // one byte per STA.
wpt_uint8 fcSTACurTxRate[8]; // current Tx rate for each sta.
unknownUcastPkt
*/
pRxMetadata->replayCount = WDTS_GetReplayCounterFromRxBD(pBDHeader);
pRxMetadata->snr = WDI_RX_BD_GET_SNR(pBDHeader);
/*
* PAL BD pointer information needs to be populated
*/
WPAL_PACKET_SET_BD_POINTER(pFrame, pBDHeader);
WPAL_PACKET_SET_BD_LENGTH(pFrame, sizeof(WDI_RxBdType));
// Invoke Rx complete callback
pClientData->receiveFrameCB(pClientData->pCallbackContext, pFrame);
}
else
{
wpalPacketSetRxLength(pFrame, usMPDULen+ucMPDUHOffset);
wpalPacketRawTrimHead(pFrame, ucMPDUHOffset);
pRxMetadata = WDI_DS_ExtractRxMetaData(pFrame);
//flow control related
pRxMetadata->fc = isFcBd;
pRxMetadata->fcStaTxDisabledBitmap = WDI_RX_FC_BD_GET_STA_TX_DISABLED_BITMAP(pBDHeader);
pRxMetadata->fcSTAValidMask = WDI_RX_FC_BD_GET_STA_VALID_MASK(pBDHeader);
// Invoke Rx complete callback
pClientData->receiveFrameCB(pClientData->pCallbackContext, pFrame);
}
return eWLAN_PAL_STATUS_SUCCESS;
}