+ if(dlDciPtr != NULLP)
+ {
+ uint8_t numBytes;
+ uint8_t bytePos;
+ uint8_t bitPos;
+
+ uint16_t coreset0Size;
+ uint16_t rbStart;
+ uint16_t rbLen;
+ uint32_t freqDomResAssign;
+ uint32_t timeDomResAssign;
+ uint8_t VRB2PRBMap;
+ uint32_t modNCodScheme;
+ uint8_t redundancyVer;
+ uint32_t sysInfoInd;
+ uint32_t reserved;
+
+ /* Size(in bits) of each field in DCI format 0_1
+ * as mentioned in spec 38.214 */
+ uint8_t freqDomResAssignSize;
+ uint8_t timeDomResAssignSize = 4;
+ uint8_t VRB2PRBMapSize = 1;
+ uint8_t modNCodSchemeSize = 5;
+ uint8_t redundancyVerSize = 2;
+ uint8_t sysInfoIndSize = 1;
+ uint8_t reservedSize = 15;
+
+ dlDciPtr->rnti = sib1PdcchInfo->dci.rnti;
+ dlDciPtr->scramblingId = sib1PdcchInfo->dci.scramblingId;
+ dlDciPtr->scramblingRnti = sib1PdcchInfo->dci.scramblingRnti;
+ dlDciPtr->cceIndex = sib1PdcchInfo->dci.cceIndex;
+ dlDciPtr->aggregationLevel = sib1PdcchInfo->dci.aggregLevel;
+ dlDciPtr->pc_and_bform.numPrgs = sib1PdcchInfo->dci.beamPdcchInfo.numPrgs;
+ dlDciPtr->pc_and_bform.prgSize = sib1PdcchInfo->dci.beamPdcchInfo.prgSize;
+ dlDciPtr->pc_and_bform.digBfInterfaces = sib1PdcchInfo->dci.beamPdcchInfo.digBfInterfaces;
+ dlDciPtr->pc_and_bform.pmi_bfi[0].pmIdx = sib1PdcchInfo->dci.beamPdcchInfo.prg[0].pmIdx;
+ dlDciPtr->pc_and_bform.pmi_bfi[0].beamIdx[0].beamidx = sib1PdcchInfo->dci.beamPdcchInfo.prg[0].beamIdx[0];
+ dlDciPtr->beta_pdcch_1_0 = sib1PdcchInfo->dci.txPdcchPower.powerValue;
+ dlDciPtr->powerControlOfssetSS = sib1PdcchInfo->dci.txPdcchPower.powerControlOffsetSS;
+
+ /* Calculating freq domain resource allocation field value and size
+ * coreset0Size = Size of coreset 0
+ * RBStart = Starting Virtual Rsource block
+ * RBLen = length of contiguously allocted RBs
+ * Spec 38.214 Sec 5.1.2.2.2
+ */
+ coreset0Size= sib1PdcchInfo->coreset0Cfg.coreSet0Size;
+ rbStart = 0; /* For SIB1 */
+ //rbStart = sib1PdcchInfo->dci.pdschCfg->freqAlloc.rbStart;
+ rbLen = sib1PdcchInfo->dci.pdschCfg->freqAlloc.rbSize;
+
+ if((rbLen >=1) && (rbLen <= coreset0Size - rbStart))
+ {
+ if((rbLen - 1) <= floor(coreset0Size / 2))
+ freqDomResAssign = (coreset0Size * (rbLen-1)) + rbStart;
+ else
+ freqDomResAssign = (coreset0Size * (coreset0Size - rbLen + 1)) \
+ + (coreset0Size - 1 - rbStart);
+
+ freqDomResAssignSize = ceil(log2(coreset0Size * (coreset0Size + 1) / 2));
+ }
+
+ /* Fetching DCI field values */
+ timeDomResAssign = sib1PdcchInfo->dci.pdschCfg->timeAlloc.
+ rowIndex -1;
+ VRB2PRBMap = sib1PdcchInfo->dci.pdschCfg->freqAlloc.\
+ vrbPrbMapping;
+ modNCodScheme = sib1PdcchInfo->dci.pdschCfg->codeword[0].mcsIndex;
+ redundancyVer = sib1PdcchInfo->dci.pdschCfg->codeword[0].rvIndex;
+ sysInfoInd = 0; /* 0 for SIB1; 1 for SI messages */
+ reserved = 0;
+
+ /* Reversing bits in each DCI field */
+ freqDomResAssign = reverseBits(freqDomResAssign, freqDomResAssignSize);
+ timeDomResAssign = reverseBits(timeDomResAssign, timeDomResAssignSize);
+ VRB2PRBMap = reverseBits(VRB2PRBMap, VRB2PRBMapSize);
+ modNCodScheme = reverseBits(modNCodScheme, modNCodSchemeSize);
+ redundancyVer = reverseBits(redundancyVer, redundancyVerSize);
+ sysInfoInd = reverseBits(sysInfoInd, sysInfoIndSize);
+
+ /* Calulating total number of bytes in buffer */
+ dlDciPtr->payloadSizeBits = freqDomResAssignSize + timeDomResAssignSize\
+ + VRB2PRBMapSize + modNCodSchemeSize + redundancyVerSize\
+ + sysInfoIndSize + reservedSize;
+
+ numBytes = dlDciPtr->payloadSizeBits / 8;
+ if(dlDciPtr->payloadSizeBits % 8)
+ numBytes += 1;
+
+ if(numBytes > DCI_PAYLOAD_BYTE_LEN)
+ {
+ DU_LOG("\nLWR_MAC : Total bytes for DCI is more than expected");
+ return;
+ }
+
+ /* Initialize buffer */
+ for(bytePos = 0; bytePos < numBytes; bytePos++)
+ dlDciPtr->payload[bytePos] = 0;
+
+ bytePos = numBytes - 1;
+ bitPos = 0;
+
+ /* Packing DCI format fields */
+ fillDlDciPayload(dlDciPtr->payload, &bytePos, &bitPos,\
+ freqDomResAssign, freqDomResAssignSize);
+ fillDlDciPayload(dlDciPtr->payload, &bytePos, &bitPos,\
+ timeDomResAssign, timeDomResAssignSize);
+ fillDlDciPayload(dlDciPtr->payload, &bytePos, &bitPos,\
+ VRB2PRBMap, VRB2PRBMapSize);
+ fillDlDciPayload(dlDciPtr->payload, &bytePos, &bitPos,\
+ modNCodScheme, modNCodSchemeSize);
+ fillDlDciPayload(dlDciPtr->payload, &bytePos, &bitPos,\
+ redundancyVer, redundancyVerSize);
+ fillDlDciPayload(dlDciPtr->payload, &bytePos, &bitPos,\
+ sysInfoInd, sysInfoIndSize);
+ fillDlDciPayload(dlDciPtr->payload, &bytePos, &bitPos,\
+ reserved, reservedSize);
+
+ }
+} /* fillSib1DlDciPdu */
+
+/*******************************************************************
+ *
+ * @brief fills Dl DCI PDU required for DL TTI info in MAC
+ *
+ * @details
+ *
+ * Function : fillRarDlDciPdu
+ *
+ * Functionality:
+ * -Fills the Dl DCI PDU
+ *
+ * @params[in] Pointer to fapi_dl_dci_t
+ * Pointer to PdcchCfg
+ * @return ROK
+ *
+ ******************************************************************/
+
+void fillRarDlDciPdu(fapi_dl_dci_t *dlDciPtr, PdcchCfg *rarPdcchInfo)
+{
+ if(dlDciPtr != NULLP)
+ {
+ uint8_t numBytes;
+ uint8_t bytePos;
+ uint8_t bitPos;
+
+ uint16_t coreset0Size;
+ uint16_t rbStart;
+ uint16_t rbLen;
+ uint32_t freqDomResAssign;
+ uint8_t timeDomResAssign;
+ uint8_t VRB2PRBMap;
+ uint8_t modNCodScheme;
+ uint8_t tbScaling;
+ uint32_t reserved;
+
+ /* Size(in bits) of each field in DCI format 1_0 */
+ uint8_t freqDomResAssignSize;
+ uint8_t timeDomResAssignSize = 4;
+ uint8_t VRB2PRBMapSize = 1;
+ uint8_t modNCodSchemeSize = 5;
+ uint8_t tbScalingSize = 2;
+ uint8_t reservedSize = 16;
+
+ dlDciPtr->rnti = rarPdcchInfo->dci.rnti;
+ dlDciPtr->scramblingId = rarPdcchInfo->dci.scramblingId;
+ dlDciPtr->scramblingRnti = rarPdcchInfo->dci.scramblingRnti;
+ dlDciPtr->cceIndex = rarPdcchInfo->dci.cceIndex;
+ dlDciPtr->aggregationLevel = rarPdcchInfo->dci.aggregLevel;
+ dlDciPtr->pc_and_bform.numPrgs = rarPdcchInfo->dci.beamPdcchInfo.numPrgs;
+ dlDciPtr->pc_and_bform.prgSize = rarPdcchInfo->dci.beamPdcchInfo.prgSize;
+ dlDciPtr->pc_and_bform.digBfInterfaces = rarPdcchInfo->dci.beamPdcchInfo.digBfInterfaces;
+ dlDciPtr->pc_and_bform.pmi_bfi[0].pmIdx = rarPdcchInfo->dci.beamPdcchInfo.prg[0].pmIdx;
+ dlDciPtr->pc_and_bform.pmi_bfi[0].beamIdx[0].beamidx = rarPdcchInfo->dci.beamPdcchInfo.prg[0].beamIdx[0];
+ dlDciPtr->beta_pdcch_1_0 = rarPdcchInfo->dci.txPdcchPower.powerValue;
+ dlDciPtr->powerControlOfssetSS = rarPdcchInfo->dci.txPdcchPower.powerControlOffsetSS;
+
+ /* Calculating freq domain resource allocation field value and size
+ * coreset0Size = Size of coreset 0
+ * RBStart = Starting Virtual Rsource block
+ * RBLen = length of contiguously allocted RBs
+ * Spec 38.214 Sec 5.1.2.2.2
+ */
+
+ /* TODO: Fill values of coreset0Size, rbStart and rbLen */
+ coreset0Size= rarPdcchInfo->coreset0Cfg.coreSet0Size;
+ rbStart = 0; /* For SIB1 */
+ //rbStart = rarPdcchInfo->dci.pdschCfg->freqAlloc.rbStart;
+ rbLen = rarPdcchInfo->dci.pdschCfg->freqAlloc.rbSize;
+
+ if((rbLen >=1) && (rbLen <= coreset0Size - rbStart))
+ {
+ if((rbLen - 1) <= floor(coreset0Size / 2))
+ freqDomResAssign = (coreset0Size * (rbLen-1)) + rbStart;
+ else
+ freqDomResAssign = (coreset0Size * (coreset0Size - rbLen + 1)) \
+ + (coreset0Size - 1 - rbStart);
+
+ freqDomResAssignSize = ceil(log2(coreset0Size * (coreset0Size + 1) / 2));
+ }
+
+ /* Fetching DCI field values */
+ timeDomResAssign = rarPdcchInfo->dci.pdschCfg->timeAlloc.rowIndex -1;
+ VRB2PRBMap = rarPdcchInfo->dci.pdschCfg->freqAlloc.vrbPrbMapping;
+ modNCodScheme = rarPdcchInfo->dci.pdschCfg->codeword[0].mcsIndex;
+ tbScaling = 0; /* configured to 0 scaling */
+ reserved = 0;
+
+ /* Reversing bits in each DCI field */
+ freqDomResAssign = reverseBits(freqDomResAssign, freqDomResAssignSize);
+ timeDomResAssign = reverseBits(timeDomResAssign, timeDomResAssignSize);
+ VRB2PRBMap = reverseBits(VRB2PRBMap, VRB2PRBMapSize);
+ modNCodScheme = reverseBits(modNCodScheme, modNCodSchemeSize);
+ tbScaling = reverseBits(tbScaling, tbScalingSize);
+
+ /* Calulating total number of bytes in buffer */
+ dlDciPtr->payloadSizeBits = freqDomResAssignSize + timeDomResAssignSize\
+ + VRB2PRBMapSize + modNCodSchemeSize + tbScalingSize + reservedSize;
+
+ numBytes = dlDciPtr->payloadSizeBits / 8;
+ if(dlDciPtr->payloadSizeBits % 8)
+ numBytes += 1;
+
+ if(numBytes > DCI_PAYLOAD_BYTE_LEN)
+ {
+ DU_LOG("\nLWR_MAC : Total bytes for DCI is more than expected");
+ return;
+ }
+
+ /* Initialize buffer */
+ for(bytePos = 0; bytePos < numBytes; bytePos++)
+ dlDciPtr->payload[bytePos] = 0;
+
+ bytePos = numBytes - 1;
+ bitPos = 0;
+
+ /* Packing DCI format fields */
+ fillDlDciPayload(dlDciPtr->payload, &bytePos, &bitPos,\
+ freqDomResAssign, freqDomResAssignSize);
+ fillDlDciPayload(dlDciPtr->payload, &bytePos, &bitPos,\
+ timeDomResAssign, timeDomResAssignSize);
+ fillDlDciPayload(dlDciPtr->payload, &bytePos, &bitPos,\
+ VRB2PRBMap, VRB2PRBMapSize);
+ fillDlDciPayload(dlDciPtr->payload, &bytePos, &bitPos,\
+ modNCodScheme, modNCodSchemeSize);
+ fillDlDciPayload(dlDciPtr->payload, &bytePos, &bitPos,\
+ tbScaling, tbScalingSize);
+ fillDlDciPayload(dlDciPtr->payload, &bytePos, &bitPos,\
+ reserved, reservedSize);
+ }
+} /* fillRarDlDciPdu */
+
+/*******************************************************************
+ *
+ * @brief fills PDCCH PDU required for DL TTI info in MAC
+ *
+ * @details
+ *
+ * Function : fillPdcchPdu
+ *
+ * Functionality:
+ * -Fills the Pdcch PDU info
+ * stored in MAC
+ *
+ * @params[in] Pointer to FAPI DL TTI Req
+ * Pointer to PdcchCfg
+ * Pointer to msgLen of DL TTI Info
+ * @return ROK
+ *
+ ******************************************************************/
+
+S16 fillPdcchPdu(fapi_dl_tti_req_pdu_t *dlTtiReqPdu, PdcchCfg *pdcchInfo,
+uint32_t *msgLen)
+{
+ if(dlTtiReqPdu != NULLP)
+ {
+ dlTtiReqPdu->pduType = PDCCH_PDU_TYPE;
+ dlTtiReqPdu->u.pdcch_pdu.bwpSize = pdcchInfo->pdcchBwpCfg.BWPSize;
+ dlTtiReqPdu->u.pdcch_pdu.bwpPart = pdcchInfo->pdcchBwpCfg.BWPStart;
+ dlTtiReqPdu->u.pdcch_pdu.subCarrierSpacing = pdcchInfo->pdcchBwpCfg.subcarrierSpacing;
+ dlTtiReqPdu->u.pdcch_pdu.cyclicPrefix = pdcchInfo->pdcchBwpCfg.cyclicPrefix;
+ dlTtiReqPdu->u.pdcch_pdu.startSymbolIndex = pdcchInfo->coreset0Cfg.startSymbolIndex;
+ dlTtiReqPdu->u.pdcch_pdu.durationSymbols = pdcchInfo->coreset0Cfg.durationSymbols;
+ memcpy(dlTtiReqPdu->u.pdcch_pdu.freqDomainResource, pdcchInfo->coreset0Cfg.freqDomainResource, 6);
+ dlTtiReqPdu->u.pdcch_pdu.cceRegMappingType = pdcchInfo->coreset0Cfg.cceRegMappingType;
+ dlTtiReqPdu->u.pdcch_pdu.regBundleSize = pdcchInfo->coreset0Cfg.regBundleSize;
+ dlTtiReqPdu->u.pdcch_pdu.interleaverSize = pdcchInfo->coreset0Cfg.interleaverSize;
+ dlTtiReqPdu->u.pdcch_pdu.coreSetSize = pdcchInfo->coreset0Cfg.coreSetType;
+ dlTtiReqPdu->u.pdcch_pdu.shiftIndex = pdcchInfo->coreset0Cfg.shiftIndex;
+ dlTtiReqPdu->u.pdcch_pdu.precoderGranularity = pdcchInfo->coreset0Cfg.precoderGranularity;
+ dlTtiReqPdu->u.pdcch_pdu.numDlDci = pdcchInfo->numDlDci;
+ dlTtiReqPdu->u.pdcch_pdu.dlDci = (fapi_dl_dci_t *)(dlTtiReqPdu + \
+ (sizeof(fapi_dl_tti_req_pdu_t) - sizeof(dlTtiReqPdu->u)) + \
+ (sizeof(fapi_dl_pdcch_pdu_t) - sizeof(fapi_dl_dci_t*)));
+
+ if(pdcchInfo->dci.rnti == SI_RNTI)
+ {
+ fillSib1DlDciPdu(dlTtiReqPdu->u.pdcch_pdu.dlDci, pdcchInfo);
+ }
+ else
+ {
+ fillRarDlDciPdu(dlTtiReqPdu->u.pdcch_pdu.dlDci, pdcchInfo);
+ }
+
+ /* Calculating PDU length. Considering only one dl dci pdu for now */
+ dlTtiReqPdu->pduSize = sizeof(fapi_dl_pdcch_pdu_t) + sizeof(fapi_dl_dci_t);
+ SET_MSG_LEN(*msgLen, (sizeof(dlTtiReqPdu->pduType) + \
+ sizeof(dlTtiReqPdu->pduSize) + dlTtiReqPdu->pduSize));
+
+ }
+ return ROK;
+
+}
+
+/*******************************************************************
+ *
+ * @brief fills PDSCH PDU required for DL TTI info in MAC
+ *
+ * @details
+ *
+ * Function : fillPdschPdu
+ *
+ * Functionality:
+ * -Fills the Pdsch PDU info
+ * stored in MAC
+ *
+ * @params[in] Pointer to FAPI DL TTI Req
+ * Pointer to PdschCfg
+ * Pointer to msgLen of DL TTI Info
+ * @return ROK
+ *
+ ******************************************************************/
+
+void fillPdschPdu(fapi_dl_tti_req_pdu_t *dlTtiReqPdu, PdschCfg *pdschInfo,
+uint32_t *msgLen, uint16_t pduIndex)
+{
+ uint8_t idx;
+
+ if(dlTtiReqPdu != NULLP)
+ {
+ dlTtiReqPdu->pduType = PDSCH_PDU_TYPE;
+ dlTtiReqPdu->u.pdsch_pdu.pduBitMap = pdschInfo->pduBitmap;
+ dlTtiReqPdu->u.pdsch_pdu.rnti = pdschInfo->rnti;
+ dlTtiReqPdu->u.pdsch_pdu.pduIndex = pduIndex;
+ dlTtiReqPdu->u.pdsch_pdu.bwpSize = pdschInfo->pdschBwpCfg.BWPSize;
+ dlTtiReqPdu->u.pdsch_pdu.bwpStart = pdschInfo->pdschBwpCfg.BWPStart;
+ dlTtiReqPdu->u.pdsch_pdu.subCarrierSpacing = pdschInfo->pdschBwpCfg.subcarrierSpacing;
+ dlTtiReqPdu->u.pdsch_pdu.cyclicPrefix = pdschInfo->pdschBwpCfg.cyclicPrefix;
+ dlTtiReqPdu->u.pdsch_pdu.nrOfCodeWords = pdschInfo->numCodewords;
+ for(idx = 0; idx < MAX_CODEWORDS ; idx++)
+ {
+ dlTtiReqPdu->u.pdsch_pdu.cwInfo[idx].targetCodeRate = pdschInfo->codeword[idx].targetCodeRate;
+ dlTtiReqPdu->u.pdsch_pdu.cwInfo[idx].qamModOrder = pdschInfo->codeword[idx].qamModOrder;
+ dlTtiReqPdu->u.pdsch_pdu.cwInfo[idx].mcsIndex = pdschInfo->codeword[idx].mcsIndex;
+ dlTtiReqPdu->u.pdsch_pdu.cwInfo[idx].mcsTable = pdschInfo->codeword[idx].mcsTable;
+ dlTtiReqPdu->u.pdsch_pdu.cwInfo[idx].rvIndex = pdschInfo->codeword[idx].rvIndex;
+ dlTtiReqPdu->u.pdsch_pdu.cwInfo[idx].tbSize = pdschInfo->codeword[idx].tbSize;
+ }
+ dlTtiReqPdu->u.pdsch_pdu.dataScramblingId = pdschInfo->dataScramblingId;
+ dlTtiReqPdu->u.pdsch_pdu.nrOfLayers = pdschInfo->numLayers;
+ dlTtiReqPdu->u.pdsch_pdu.transmissionScheme = pdschInfo->transmissionScheme;
+ dlTtiReqPdu->u.pdsch_pdu.refPoint = pdschInfo->refPoint;
+ dlTtiReqPdu->u.pdsch_pdu.dlDmrsSymbPos = pdschInfo->dmrs.dlDmrsSymbPos;
+ dlTtiReqPdu->u.pdsch_pdu.dmrsConfigType = pdschInfo->dmrs.dmrsConfigType;
+ dlTtiReqPdu->u.pdsch_pdu.dlDmrsScramblingId = pdschInfo->dmrs.dlDmrsScramblingId;
+ dlTtiReqPdu->u.pdsch_pdu.scid = pdschInfo->dmrs.scid;
+ dlTtiReqPdu->u.pdsch_pdu.numDmrsCdmGrpsNoData = pdschInfo->dmrs.numDmrsCdmGrpsNoData;
+ dlTtiReqPdu->u.pdsch_pdu.dmrsPorts = pdschInfo->dmrs.dmrsPorts;
+ dlTtiReqPdu->u.pdsch_pdu.resourceAlloc = pdschInfo->freqAlloc.resourceAlloc;
+ /* since we are using type-1, hence rbBitmap excluded */
+ dlTtiReqPdu->u.pdsch_pdu.rbStart = pdschInfo->freqAlloc.rbStart;
+ dlTtiReqPdu->u.pdsch_pdu.rbSize = pdschInfo->freqAlloc.rbSize;
+ dlTtiReqPdu->u.pdsch_pdu.vrbToPrbMapping = pdschInfo->freqAlloc.vrbPrbMapping;
+ dlTtiReqPdu->u.pdsch_pdu.startSymbIndex = pdschInfo->timeAlloc.startSymbolIndex;
+ dlTtiReqPdu->u.pdsch_pdu.nrOfSymbols = pdschInfo->timeAlloc.numSymbols;
+ dlTtiReqPdu->u.pdsch_pdu.preCodingAndBeamforming.numPrgs = pdschInfo->beamPdschInfo.numPrgs;
+ dlTtiReqPdu->u.pdsch_pdu.preCodingAndBeamforming.prgSize = pdschInfo->beamPdschInfo.prgSize;
+ dlTtiReqPdu->u.pdsch_pdu.preCodingAndBeamforming.digBfInterfaces = pdschInfo->beamPdschInfo.digBfInterfaces;
+ dlTtiReqPdu->u.pdsch_pdu.preCodingAndBeamforming.pmi_bfi[0]. \
+ pmIdx = pdschInfo->beamPdschInfo.prg[0].pmIdx;
+ dlTtiReqPdu->u.pdsch_pdu.preCodingAndBeamforming.pmi_bfi[0]. \
+ beamIdx[0].beamidx = pdschInfo->beamPdschInfo.prg[0].beamIdx[0];
+ dlTtiReqPdu->u.pdsch_pdu.powerControlOffset = pdschInfo->txPdschPower.powerControlOffset;
+ dlTtiReqPdu->u.pdsch_pdu.powerControlOffsetSS = pdschInfo->txPdschPower.powerControlOffsetSS;
+ dlTtiReqPdu->pduSize = sizeof(fapi_dl_pdsch_pdu_t);
+
+ SET_MSG_LEN(*msgLen, (sizeof(dlTtiReqPdu->pduType) + \
+ sizeof(dlTtiReqPdu->pduSize) + sizeof(fapi_dl_pdsch_pdu_t)));
+
+ }
+
+}
+
+/***********************************************************************
+ *
+ * @brief calculates the total size to be allocated for DL TTI Req
+ *
+ * @details
+ *
+ * Function : calcDlTtiReqPduCount
+ *
+ * Functionality:
+ * -calculates the total pdu count to be allocated for DL TTI Req
+ *
+ * @params[in] DlBrdcstAlloc *cellBroadcastInfo
+ * @return count
+ *
+ * ********************************************************************/
+uint8_t calcDlTtiReqPduCount(DlAlloc *dlInfo)
+{
+ uint8_t count = 0;
+ uint8_t idx = 0;
+ if(dlInfo->isBroadcastPres)
+ {
+ if(dlInfo->brdcstAlloc.ssbTrans)
+ {
+ for(idx = 0; idx < dlInfo->brdcstAlloc.ssbIdxSupported; idx++)
+ {
+ count++;
+ }
+ }
+ if(dlInfo->brdcstAlloc.sib1Trans)
+ {
+ count += 2;
+ }
+ }
+ if(dlInfo->isRarPres)
+ {
+ count += 2;
+ }
+ return count;
+}
+
+/***********************************************************************
+ *
+ * @brief calculates the total size to be allocated for DL TTI Req
+ *
+ * @details
+ *
+ * Function : calcTxDataReqPduCount
+ *
+ * Functionality:
+ * -calculates the total pdu count to be allocated for DL TTI Req
+ *
+ * @params[in] DlBrdcstAlloc *cellBroadcastInfo
+ * @return count
+ *
+ * ********************************************************************/
+uint8_t calcTxDataReqPduCount(DlAlloc *dlInfo)
+{
+ uint8_t count = 0;
+ if(dlInfo->isBroadcastPres && dlInfo->brdcstAlloc.sib1Trans)
+ {
+ count++;
+ }
+ if(dlInfo->isRarPres)
+ {
+ count++;
+ }
+ return count;
+}
+/***********************************************************************
+ *
+ * @brief fills the SIB1 TX-DATA request message
+ *
+ * @details
+ *
+ * Function : fillSib1TxDataReq
+ *
+ * Functionality:
+ * - fills the SIB1 TX-DATA request message
+ *
+ * @params[in] fapi_tx_pdu_desc_t *pduDesc
+ * @params[in] macCellCfg consist of SIB1 pdu
+ * @params[in] uint32_t *msgLen
+ * @params[in] uint16_t pduIndex
+ * @return ROK
+ *
+ * ********************************************************************/
+uint8_t fillSib1TxDataReq(fapi_tx_pdu_desc_t *pduDesc,MacCellCfg *macCellCfg,
+ uint32_t *msgLen, uint16_t pduIndex)
+{
+ uint32_t pduLen = 0;
+ uint32_t *sib1TxdataValue = NULLP;
+
+ pduDesc[pduIndex].pduIndex = pduIndex;
+ pduDesc[pduIndex].numTlvs = 1;
+
+ /* fill the TLV */
+ /* as of now, memory is allocated from SSI, later WLS memory needs to be taken */
+ pduDesc[pduIndex].tlvs[0].tl.tag = 1; /* pointer to be sent */
+ pduDesc[pduIndex].tlvs[0].tl.length = macCellCfg->sib1Cfg.sib1PduLen;
+ LWR_MAC_ALLOC(sib1TxdataValue,macCellCfg->sib1Cfg.sib1PduLen);
+ if(sib1TxdataValue == NULLP)
+ {
+ return RFAILED;
+ }
+ memcpy(sib1TxdataValue,macCellCfg->sib1Cfg.sib1Pdu,
+ macCellCfg->sib1Cfg.sib1PduLen);
+ pduDesc[pduIndex].tlvs[0].value = sib1TxdataValue;
+
+ /* The total length of the PDU description and PDU data */
+ pduLen += 8; /* size of PDU length 2 bytes, PDU index 2 bytes, numTLV 4 bytes */
+ pduLen += sizeof(fapi_uint32_tlv_t); /* only 1 TLV is present */
+ pduDesc[pduIndex].pduLength = pduLen;
+ msgLen += pduLen;
+
+#ifndef INTEL_WLS
+ MAC_FREE(sib1TxdataValue,macCellCfg->sib1Cfg.sib1PduLen);
+#endif
+
+
+ return ROK;
+}
+
+/***********************************************************************
+ *
+ * @brief fills the RAR TX-DATA request message
+ *
+ * @details
+ *
+ * Function : fillRarTxDataReq
+ *
+ * Functionality:
+ * - fills the RAR TX-DATA request message
+ *
+ * @params[in] fapi_tx_pdu_desc_t *pduDesc
+ * @params[in] RarInfo *rarInfo
+ * @params[in] uint32_t *msgLen
+ * @params[in] uint16_t pduIndex
+ * @return ROK
+ *
+ * ********************************************************************/
+uint8_t fillRarTxDataReq(fapi_tx_pdu_desc_t *pduDesc, RarInfo *rarInfo,
+ uint32_t *msgLen, uint16_t pduIndex)
+{
+ uint32_t pduLen = 0;
+ uint32_t *rarTxdataValue = NULLP;
+
+ pduDesc[pduIndex].pduIndex = pduIndex;
+ pduDesc[pduIndex].numTlvs = 1;
+
+ /* fill the TLV */
+ /* as of now, memory is allocated from SSI, later WLS memory needs to be taken */
+ pduDesc[pduIndex].tlvs[0].tl.tag = 1; /* pointer to be sent */
+ pduDesc[pduIndex].tlvs[0].tl.length = rarInfo->rarPduLen;
+ LWR_MAC_ALLOC(rarTxdataValue,rarInfo->rarPduLen);
+ if(rarTxdataValue == NULLP)
+ {
+ return RFAILED;
+ }
+ memcpy(rarTxdataValue,rarInfo->rarPdu,rarInfo->rarPduLen);
+ pduDesc[pduIndex].tlvs[0].value = (uint32_t)rarTxdataValue;
+
+ /* The total length of the PDU description and PDU data */
+ pduLen += 8; /* size of PDU length 2 bytes, PDU index 2 bytes, numTLV 4 bytes */
+ pduLen += sizeof(fapi_uint32_tlv_t); /* only 1 TLV is present */
+ pduDesc[pduIndex].pduLength = pduLen;
+ msgLen += pduLen;
+
+/* TODO: The pointer value which was stored, needs to be free-ed at PHY *
+ * But since we did not implement WLS, this has to be done here
+ */
+#ifndef INTEL_WLS
+ MAC_FREE(rarTxdataValue,rarInfo->rarPduLen);
+#endif
+
+ return ROK;
+}
+
+#endif
+
+/*******************************************************************
+ *
+ * @brief Sends DL TTI Request to PHY
+ *
+ * @details
+ *
+ * Function : handleDlTtiReq
+ *
+ * Functionality:
+ * -Sends FAPI DL TTI req to PHY
+ *
+ * @params[in] timing info
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+uint16_t handleDlTtiReq(CmLteTimingInfo *currTimingInfo)
+{
+#ifdef FAPI
+ uint8_t idx;
+ uint8_t nPdu = 0;
+ uint8_t numPduEncoded = 0;
+ uint16_t pduIndex = 0;
+ uint32_t msgLen = 0;
+ uint32_t dlTtiReqMsgSize = 0;
+ fapi_dl_tti_req_t *dlTtiReq = NULLP;
+ RgCellCb *cellCbParams = NULLP;
+ MacDlSlot *currDlSlot = NULLP;
+ MacCellCfg macCellCfg;
+ memset(&macCellCfg, 0, sizeof(MacCellCfg));
+ Inst inst = 0;
+
+ if(clGlobalCp.phyState == PHY_STATE_RUNNING)
+ {
+ cellCbParams = rgCb[inst].cell;
+ macCellCfg = cellCbParams->macCellCfg;
+
+ if(currTimingInfo != NULLP)
+ {
+ currDlSlot = &macCb.macCell->dlSlot[currTimingInfo->slot % MAX_SLOT_SUPPORTED];
+ nPdu = calcDlTtiReqPduCount(&currDlSlot->dlInfo);
+ dlTtiReqMsgSize = sizeof(fapi_dl_tti_req_t) + (nPdu * \
+ sizeof(fapi_dl_tti_req_pdu_t));
+ if(nPdu > 0)
+ {
+ if(currDlSlot->dlInfo.isBroadcastPres)
+ {
+ if(currDlSlot->dlInfo.brdcstAlloc.sib1Trans)
+ {
+ dlTtiReqMsgSize += sizeof(fapi_dl_dci_t);
+ }
+
+ }
+ if(currDlSlot->dlInfo.isRarPres)
+ {
+ dlTtiReqMsgSize += sizeof(fapi_dl_dci_t);
+ }
+ }
+ LWR_MAC_ALLOC(dlTtiReq, dlTtiReqMsgSize);
+
+ if(dlTtiReq != NULLP)
+ {
+ memset(dlTtiReq, 0, dlTtiReqMsgSize);
+
+ dlTtiReq->sfn = currTimingInfo->sfn;
+ dlTtiReq->slot = currTimingInfo->slot;
+ dlTtiReq->nPdus = calcDlTtiReqPduCount(&currDlSlot->dlInfo); /* get total Pdus */
+ nPdu = dlTtiReq->nPdus;
+ dlTtiReq->nGroup = 0;
+ if(dlTtiReq->nPdus > 0)
+ {
+ dlTtiReq->pdus = (fapi_dl_tti_req_pdu_t*)(dlTtiReq + \
+ (sizeof(fapi_dl_tti_req_t) - sizeof(fapi_dl_tti_req_pdu_t*)));
+ if(!dlTtiReq->pdus)
+ {
+ DU_LOG("\nLWR_MAC: Memory allocation failed");
+ return RFAILED;
+ }
+
+ if(currDlSlot->dlInfo.isBroadcastPres)
+ {
+ if(currDlSlot->dlInfo.brdcstAlloc.ssbTrans)
+ {
+ if(dlTtiReq->pdus != NULLP)
+ {
+ for(idx = 0; idx < currDlSlot->dlInfo.brdcstAlloc.ssbIdxSupported; idx++)
+ {
+ fillSsbPdu(&dlTtiReq->pdus[numPduEncoded], &macCellCfg,\
+ currDlSlot, &msgLen, idx, dlTtiReq->sfn);
+ numPduEncoded++;
+ }
+ }
+ printf("\033[1;31m");
+ DU_LOG("\nLWR_MAC: MIB sent..");
+ printf("\033[0m");
+ }
+ if(currDlSlot->dlInfo.brdcstAlloc.sib1Trans)
+ {
+ /* Filling SIB1 param */
+ if(numPduEncoded != nPdu)
+ {
+ fillPdcchPdu(&dlTtiReq->pdus[numPduEncoded],&currDlSlot->dlInfo.brdcstAlloc.\
+ sib1Alloc.sib1PdcchCfg, &msgLen);
+ numPduEncoded++;
+ fillPdschPdu(&dlTtiReq->pdus[numPduEncoded],&currDlSlot->dlInfo.brdcstAlloc.\
+ sib1Alloc.sib1PdschCfg, &msgLen, pduIndex);
+ pduIndex++;
+ numPduEncoded++;
+ }
+ printf("\033[1;34m");
+ DU_LOG("\nLWR_MAC: SIB1 sent...");
+ printf("\033[0m");
+ }
+ }
+ if(currDlSlot->dlInfo.isRarPres)
+ {
+ /* Filling RAR param */
+ fillRarPdu(&currDlSlot->dlInfo.rarAlloc.rarInfo);
+ fillPdcchPdu(&dlTtiReq->pdus[numPduEncoded], &currDlSlot->dlInfo.rarAlloc.rarPdcchCfg, &msgLen);
+ numPduEncoded++;
+ fillPdschPdu(&dlTtiReq->pdus[numPduEncoded], &currDlSlot->dlInfo.rarAlloc.rarPdschCfg,
+ &msgLen, pduIndex);
+ numPduEncoded++;
+ pduIndex++;
+
+ printf("\033[1;32m");
+ DU_LOG("\nLWR_MAC: RAR sent...");
+ printf("\033[0m");
+ }
+
+ msgLen += sizeof(fapi_dl_tti_req_t) - sizeof(fapi_msg_t);
+ fillMsgHeader(&dlTtiReq->header, FAPI_DL_TTI_REQUEST, msgLen);
+ LwrMacSendToPhy(dlTtiReq->header.message_type_id, dlTtiReqMsgSize, \
+ (void *)dlTtiReq);
+
+ /* send Tx-DATA req message */
+ sendTxDataReq(currTimingInfo, &currDlSlot->dlInfo);
+ }
+ else
+ {
+ msgLen = sizeof(fapi_dl_tti_req_t) - sizeof(fapi_msg_t);
+ fillMsgHeader(&dlTtiReq->header, FAPI_DL_TTI_REQUEST, msgLen);
+ LwrMacSendToPhy(dlTtiReq->header.message_type_id, dlTtiReqMsgSize, (void *)dlTtiReq);
+ }
+ return ROK;
+ }
+ else
+ {
+ DU_LOG("\nLWR_MAC: Failed to allocate memory for DL TTI Request");
+ return RFAILED;
+ }
+ }
+ else
+ {
+ DU_LOG("\nLWR_MAC: Current TTI Info is NULL");
+ return RFAILED;
+ }
+ }
+ else
+ {
+ lwr_mac_handleInvalidEvt(currTimingInfo);
+ return RFAILED;
+ }
+#endif
+ return ROK;
+}
+
+/*******************************************************************
+ *
+ * @brief Sends TX data Request to PHY
+ *
+ * @details
+ *
+ * Function : sendTxDataReq
+ *
+ * Functionality:
+ * -Sends FAPI TX data req to PHY
+ *
+ * @params[in] timing info
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+uint16_t sendTxDataReq(CmLteTimingInfo *currTimingInfo, DlAlloc *dlInfo)
+{
+#ifdef FAPI
+ uint8_t nPdu = 0;
+ uint32_t msgLen = 0;
+ uint16_t pduIndex = 0;
+ uint32_t txDataReqMsgSize = 0;
+ fapi_tx_data_req_t *txDataReq = NULLP;
+ Inst inst = 0;
+
+ /* send TX_Data request message */
+ nPdu = calcTxDataReqPduCount(dlInfo);
+ if(nPdu > 0)
+ {
+ txDataReqMsgSize = sizeof(fapi_tx_data_req_t) + \
+ (nPdu * sizeof(fapi_tx_pdu_desc_t));
+ if(dlInfo->brdcstAlloc.sib1Trans)
+ {
+ txDataReqMsgSize += rgCb[inst].cell->macCellCfg.sib1Cfg.sib1PduLen;
+ }
+ if(dlInfo->isRarPres)
+ {
+ txDataReqMsgSize += dlInfo->rarAlloc.rarInfo.rarPduLen;
+ }
+
+ LWR_MAC_ALLOC(txDataReq, txDataReqMsgSize);
+ if(txDataReq == NULLP)
+ {
+ DU_LOG("\nLWR_MAC: Failed to allocate memory for TX data Request");
+ return RFAILED;
+ }
+
+ memset(txDataReq, 0, txDataReqMsgSize);
+ txDataReq->sfn = currTimingInfo->sfn;
+ txDataReq->slot = currTimingInfo->slot;
+ txDataReq->pduDesc = (fapi_tx_pdu_desc_t *)(txDataReq + \
+ (sizeof(fapi_tx_data_req_t) - sizeof(fapi_tx_pdu_desc_t *)));
+
+ if(dlInfo->brdcstAlloc.sib1Trans)
+ {
+ fillSib1TxDataReq(txDataReq->pduDesc,
+ &rgCb[inst].cell->macCellCfg, &msgLen, pduIndex);
+ pduIndex++;
+ txDataReq->numPdus++;
+ }
+ if(dlInfo->isRarPres)
+ {
+ /* mux and form RAR pdu */
+ //fillRarPdu(&dlInfo->rarAlloc.rarInfo);
+ fillRarTxDataReq(txDataReq->pduDesc,
+ &dlInfo->rarAlloc.rarInfo, &msgLen, pduIndex);
+ pduIndex++;
+ txDataReq->numPdus++;
+ }
+
+ msgLen += sizeof(fapi_tx_data_req_t) - sizeof(fapi_msg_t);
+ fillMsgHeader(&txDataReq->header, FAPI_TX_DATA_REQUEST, msgLen);
+ LwrMacSendToPhy(txDataReq->header.message_type_id, txDataReqMsgSize, \
+ (void *)txDataReq);
+ }
+#endif
+ return ROK;
+}
+
+/***********************************************************************
+ *
+ * @brief calculates the total size to be allocated for UL TTI Req
+ *
+ * @details
+ *
+ * Function : getnPdus
+ *
+ * Functionality:
+ * -calculates the total pdu count to be allocated for UL TTI Req
+ *
+ * @params[in] Pointer to fapi Ul TTI Req
+ * Pointer to CurrUlSlot
+ * @return count
+ * ********************************************************************/
+#ifdef FAPI
+uint8_t getnPdus(fapi_ul_tti_req_t *ulTtiReq, MacUlSlot *currUlSlot)
+{
+ uint8_t pduCount = 0;
+
+ if(currUlSlot != NULLP)
+ {
+ if(currUlSlot->ulCellInfo.dataType & SCH_DATATYPE_PRACH)
+ {
+ pduCount++;
+ if(ulTtiReq)
+ ulTtiReq->rachPresent = PDU_PRESENT;
+ }
+ if(currUlSlot->ulCellInfo.dataType & SCH_DATATYPE_PUSCH_UCI)
+ {
+ pduCount++;
+ if(ulTtiReq)
+ ulTtiReq->nUlsch = PDU_PRESENT;
+ }
+ if(currUlSlot->ulCellInfo.dataType & SCH_DATATYPE_UCI)
+ {
+ pduCount++;
+ if(ulTtiReq)
+ ulTtiReq->nUlcch = PDU_PRESENT;
+ }
+ if(currUlSlot->ulCellInfo.dataType & SCH_DATATYPE_SRS)
+ {
+ pduCount++;
+ }
+ }
+ return pduCount;
+}
+#endif
+
+/***********************************************************************
+ *
+ * @brief Set the value of zero correlation config in PRACH PDU
+ *
+ * @details
+ *
+ * Function : setNumCs
+ *
+ * Functionality:
+ * -Set the value of zero correlation config in PRACH PDU
+ *
+ * @params[in] Pointer to zero correlation config
+ * Pointer to MacCellCfg
+ * ********************************************************************/
+
+void setNumCs(uint8_t *numCs, MacCellCfg *macCellCfg)
+{
+#ifdef FAPI
+ uint8_t idx;
+ if(macCellCfg != NULLP)
+ {
+ idx = macCellCfg->prachCfg.fdm[0].zeroCorrZoneCfg;
+ *numCs = UnrestrictedSetNcsTable[idx];
+ }
+#endif
+}
+
+/***********************************************************************
+ *
+ * @brief Fills the PRACH PDU in UL TTI Request
+ *
+ * @details
+ *
+ * Function : fillPrachPdu
+ *
+ * Functionality:
+ * -Fills the PRACH PDU in UL TTI Request
+ *
+ * @params[in] Pointer to Prach Pdu
+ * Pointer to CurrUlSlot
+ * Pointer to macCellCfg
+ * Pointer to msgLen
+ * ********************************************************************/
+
+#ifdef FAPI
+void fillPrachPdu(fapi_ul_tti_req_pdu_t *ulTtiReqPdu, MacCellCfg *macCellCfg, MacUlSlot *currUlSlot, uint32_t *msgLen)
+{
+ if(ulTtiReqPdu != NULLP)
+ {
+ ulTtiReqPdu->pduType = PRACH_PDU_TYPE;
+ ulTtiReqPdu->u.prach_pdu.physCellId = macCellCfg->phyCellId;
+ ulTtiReqPdu->u.prach_pdu.numPrachOcas = currUlSlot->ulCellInfo.prachSchInfo.numPrachOcas;
+ ulTtiReqPdu->u.prach_pdu.prachFormat = \
+ currUlSlot->ulCellInfo.prachSchInfo.prachFormat;
+ ulTtiReqPdu->u.prach_pdu.numRa = currUlSlot->ulCellInfo.prachSchInfo.numRa;
+ ulTtiReqPdu->u.prach_pdu.prachStartSymbol = \
+ currUlSlot->ulCellInfo.prachSchInfo.prachStartSymb;
+ setNumCs(&ulTtiReqPdu->u.prach_pdu.numCs, macCellCfg);
+ ulTtiReqPdu->u.prach_pdu.beamforming.numPrgs = 0;
+ ulTtiReqPdu->u.prach_pdu.beamforming.prgSize = 0;
+ ulTtiReqPdu->u.prach_pdu.beamforming.digBfInterfaces = 0;
+ ulTtiReqPdu->u.prach_pdu.beamforming.pmi_bfi[0].pmIdx = 0;
+ ulTtiReqPdu->u.prach_pdu.beamforming.pmi_bfi[0].beamIdx[0].beamidx = 0;
+ ulTtiReqPdu->pduSize = sizeof(fapi_ul_prach_pdu_t);
+
+ SET_MSG_LEN(*msgLen, (sizeof(ulTtiReqPdu->pduType) + \
+ sizeof(ulTtiReqPdu->pduSize) + sizeof(fapi_ul_prach_pdu_t)));
+ }
+}
+#endif
+
+/*******************************************************************
+ *
+ * @brief Sends UL TTI Request to PHY
+ *
+ * @details
+ *
+ * Function : handleUlTtiReq
+ *
+ * Functionality:
+ * -Sends FAPI Param req to PHY
+ *
+ * @params[in] Pointer to CmLteTimingInfo
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ ******************************************************************/
+uint16_t handleUlTtiReq(CmLteTimingInfo *currTimingInfo)
+{
+#ifdef FAPI
+ uint8_t pduIdx = -1;
+ uint8_t numPdu = 0;
+ uint32_t msgLen = 0;
+ uint32_t msgSize = 0;
+
+ fapi_ul_tti_req_t *ulTtiReq = NULLP;
+ RgCellCb *cellCbParams = NULLP;
+ MacUlSlot *currUlSlot = NULLP;
+ MacCellCfg macCellCfg;
+ Inst inst = 0;
+
+ if(clGlobalCp.phyState == PHY_STATE_RUNNING)
+ {
+ cellCbParams = rgCb[inst].cell;
+ macCellCfg = cellCbParams->macCellCfg;
+
+ if(currTimingInfo != NULLP)
+ {
+ currUlSlot = &macCb.macCell->ulSlot[currTimingInfo->slot % MAX_SLOT_SUPPORTED];
+ numPdu = getnPdus(NULL, currUlSlot);
+ msgSize = sizeof(fapi_ul_tti_req_t) + (numPdu * \
+ sizeof(fapi_ul_tti_req_pdu_t));
+ LWR_MAC_ALLOC(ulTtiReq, msgSize);
+
+ if(ulTtiReq != NULLP)
+ {
+ ulTtiReq->sfn = currTimingInfo->sfn;
+ ulTtiReq->slot = currTimingInfo->slot;
+ ulTtiReq->nPdus = getnPdus(ulTtiReq, currUlSlot);
+ ulTtiReq->nGroup = 0;
+ if(ulTtiReq->nPdus > 0)
+ {
+ ulTtiReq->pdus = (fapi_ul_tti_req_pdu_t *)(ulTtiReq + \
+ (sizeof(fapi_ul_tti_req_t) - sizeof(fapi_ul_tti_req_pdu_t*)));
+ /* Fill Prach Pdu */
+ if(ulTtiReq->rachPresent)
+ {
+ pduIdx++;
+ fillPrachPdu(&ulTtiReq->pdus[pduIdx], &macCellCfg, currUlSlot, &msgLen);
+
+ msgLen += (sizeof(fapi_ul_tti_req_t) - sizeof(fapi_msg_t));
+ fillMsgHeader(&ulTtiReq->header, FAPI_UL_TTI_REQUEST, msgLen);
+
+ DU_LOG("\nLWR_MAC: Sending UL TTI Request");
+ LwrMacSendToPhy(ulTtiReq->header.message_type_id, msgSize, (void *)ulTtiReq);
+ }
+ }
+ else
+ {
+ msgLen = sizeof(fapi_ul_tti_req_t) - sizeof(fapi_msg_t);
+ fillMsgHeader(&ulTtiReq->header, FAPI_UL_TTI_REQUEST, msgLen);
+
+ DU_LOG("\nLWR_MAC: Sending UL TTI Request");
+ LwrMacSendToPhy(ulTtiReq->header.message_type_id, msgSize, (void *)ulTtiReq);
+ }
+ return ROK;
+ }
+ else
+ {
+ DU_LOG("\nLWR_MAC: Failed to allocate memory for UL TTI Request");
+ return RFAILED;
+ }
+ }
+ else
+ {
+ DU_LOG("\nLWR_MAC: Current TTI Info in UL is NULL");
+ return RFAILED;
+ }
+ }
+ else
+ {
+ lwr_mac_handleInvalidEvt(currTimingInfo);
+ }
+#endif
+ return ROK;