**/
void createSchRaCb(uint16_t tcrnti, Inst schInst)
{
- schCb[schInst].cells[schInst]->raCb[0].tcrnti = tcrnti;
+ schCb[schInst].cells[schInst]->raCb[0].tcrnti = tcrnti;
}
/**
uint8_t schAllocMsg3Pusch(Inst schInst, uint16_t slot, uint16_t *msg3StartRb,
uint8_t *msg3NumRb)
{
- SchCellCb *cell = NULLP;
- SchUlSlotInfo *schUlSlotInfo = NULLP;
- uint8_t puschMu = 0;
- uint8_t msg3SlotAlloc = 0;
- uint8_t delta = 0;
- uint8_t k2 = 0;
- uint8_t startSymb = 0;
- uint8_t symbLen = 0;
- uint8_t startRb = 0;
- uint8_t numRb = 0;
- uint8_t idx = 0;
- uint8_t mcs = 4;
- uint8_t numPdschSymbols= 14;
- uint16_t tbSize = 0;
+ SchCellCb *cell = NULLP;
+ SchUlSlotInfo *schUlSlotInfo = NULLP;
+ uint8_t puschMu = 0;
+ uint8_t msg3SlotAlloc = 0;
+ uint8_t delta = 0;
+ uint8_t k2 = 0;
+ uint8_t startSymb = 0;
+ uint8_t symbLen = 0;
+ uint8_t startRb = 0;
+ uint8_t numRb = 0;
+ uint8_t idx = 0;
+ uint8_t mcs = 4;
+ uint8_t numPdschSymbols= 14;
+ uint16_t tbSize = 0;
cell = schCb[schInst].cells[schInst];
-// puschMu = cell->cellCfg.puschMu;
- delta = puschDeltaTable[puschMu];
- k2 = cell->cellCfg.schInitialUlBwp.puschCommon.k2;
- startSymb = cell->cellCfg.schInitialUlBwp.puschCommon.startSymbol;
- symbLen = cell->cellCfg.schInitialUlBwp.puschCommon.lengthSymbol;
-
- /* Slot allocation for msg3 based on 38.214 section 6.1.2.1 */
- msg3SlotAlloc = slot + k2 + delta;
- msg3SlotAlloc = msg3SlotAlloc % SCH_NUM_SLOTS;
-
- startRb = cell->schUlSlotInfo[msg3SlotAlloc]->puschCurrentPrb;
- tbSize = schCalcTbSize(8); /* 6 bytes msg3 and 2 bytes header */
- numRb = schCalcNumPrb(tbSize, mcs, numPdschSymbols);
-
- /* allocating 1 extra RB for now */
- numRb++;
- /* increment PUSCH PRB */
- cell->schUlSlotInfo[msg3SlotAlloc]->puschCurrentPrb += numRb;
-
- for(idx=startSymb; idx<symbLen; idx++)
- {
- cell->schUlSlotInfo[msg3SlotAlloc]->assignedPrb[idx] = startRb + numRb;
- }
- schUlSlotInfo = cell->schUlSlotInfo[msg3SlotAlloc];
+ // puschMu = cell->cellCfg.puschMu;
+ delta = puschDeltaTable[puschMu];
+ k2 = cell->cellCfg.schInitialUlBwp.puschCommon.k2;
+ startSymb = cell->cellCfg.schInitialUlBwp.puschCommon.startSymbol;
+ symbLen = cell->cellCfg.schInitialUlBwp.puschCommon.lengthSymbol;
+
+ /* Slot allocation for msg3 based on 38.214 section 6.1.2.1 */
+ msg3SlotAlloc = slot + k2 + delta;
+ msg3SlotAlloc = msg3SlotAlloc % SCH_NUM_SLOTS;
+
+ startRb = cell->schUlSlotInfo[msg3SlotAlloc]->puschCurrentPrb;
+ tbSize = schCalcTbSize(8); /* 6 bytes msg3 and 2 bytes header */
+ numRb = schCalcNumPrb(tbSize, mcs, numPdschSymbols);
+
+ /* allocating 1 extra RB for now */
+ numRb++;
+ /* increment PUSCH PRB */
+ cell->schUlSlotInfo[msg3SlotAlloc]->puschCurrentPrb += numRb;
+
+ for(idx=startSymb; idx<symbLen; idx++)
+ {
+ cell->schUlSlotInfo[msg3SlotAlloc]->assignedPrb[idx] = startRb + numRb;
+ }
+ schUlSlotInfo = cell->schUlSlotInfo[msg3SlotAlloc];
SCH_ALLOC(schUlSlotInfo->schPuschInfo, sizeof(SchPuschInfo));
- if(!schUlSlotInfo->schPuschInfo)
- {
+ if(!schUlSlotInfo->schPuschInfo)
+ {
DU_LOG("SCH: Memory allocation failed in schAllocMsg3Pusch");
- return RFAILED;
- }
- schUlSlotInfo->schPuschInfo->harqProcId = SCH_HARQ_PROC_ID;
- schUlSlotInfo->schPuschInfo->resAllocType = SCH_ALLOC_TYPE_1;
- schUlSlotInfo->schPuschInfo->fdAlloc.startPrb = startRb;
- schUlSlotInfo->schPuschInfo->fdAlloc.numPrb = numRb;
- schUlSlotInfo->schPuschInfo->tdAlloc.startSymb = startSymb;
- schUlSlotInfo->schPuschInfo->tdAlloc.numSymb = symbLen;
- schUlSlotInfo->schPuschInfo->tbInfo.mcs = mcs;
- schUlSlotInfo->schPuschInfo->tbInfo.ndi = 1; /* new transmission */
- schUlSlotInfo->schPuschInfo->tbInfo.rv = 0;
- schUlSlotInfo->schPuschInfo->tbInfo.tbSize = 24; /*Considering 2 PRBs */
- schUlSlotInfo->schPuschInfo->dmrsMappingType = DMRS_MAP_TYPE_A; /* Setting Type-A */
- schUlSlotInfo->schPuschInfo->nrOfDmrsSymbols = NUM_DMRS_SYMBOLS;
- schUlSlotInfo->schPuschInfo->dmrsAddPos = DMRS_ADDITIONAL_POS;
-
- *msg3StartRb = startRb;
- *msg3NumRb = numRb;
-
- return ROK;
+ return RFAILED;
+ }
+ schUlSlotInfo->schPuschInfo->harqProcId = SCH_HARQ_PROC_ID;
+ schUlSlotInfo->schPuschInfo->resAllocType = SCH_ALLOC_TYPE_1;
+ schUlSlotInfo->schPuschInfo->fdAlloc.startPrb = startRb;
+ schUlSlotInfo->schPuschInfo->fdAlloc.numPrb = numRb;
+ schUlSlotInfo->schPuschInfo->tdAlloc.startSymb = startSymb;
+ schUlSlotInfo->schPuschInfo->tdAlloc.numSymb = symbLen;
+ schUlSlotInfo->schPuschInfo->tbInfo.mcs = mcs;
+ schUlSlotInfo->schPuschInfo->tbInfo.ndi = 1; /* new transmission */
+ schUlSlotInfo->schPuschInfo->tbInfo.rv = 0;
+ schUlSlotInfo->schPuschInfo->tbInfo.tbSize = 24; /*Considering 2 PRBs */
+ schUlSlotInfo->schPuschInfo->dmrsMappingType = DMRS_MAP_TYPE_A; /* Setting Type-A */
+ schUlSlotInfo->schPuschInfo->nrOfDmrsSymbols = NUM_DMRS_SYMBOLS;
+ schUlSlotInfo->schPuschInfo->dmrsAddPos = DMRS_ADDITIONAL_POS;
+
+ *msg3StartRb = startRb;
+ *msg3NumRb = numRb;
+
+ return ROK;
}
uint8_t schProcessRachInd(RachIndInfo *rachInd, Inst schInst)
{
SchCellCb *cell = schCb[schInst].cells[schInst];
- RarInfo *rarInfo = NULLP;
- uint16_t raRnti = 0;
- uint16_t rarSlot = 0;
- uint16_t msg3StartRb;
- uint8_t msg3NumRb;
+ RarInfo *rarInfo = NULLP;
+ uint16_t raRnti = 0;
+ uint16_t rarSlot = 0;
+ uint16_t msg3StartRb;
+ uint8_t msg3NumRb;
uint8_t ret = ROK;
/* RAR will sent with a delay of RAR_DELAY */
SchDlSlotInfo *schDlSlotInfo = cell->schDlSlotInfo[rarSlot]; /* RAR will sent in the next slot */
/* Allocate the rarInfo, this pointer will be checked at schProcessSlotInd function */
- SCH_ALLOC(rarInfo, sizeof(RarInfo));
- if(rarInfo == NULLP)
- {
+ SCH_ALLOC(rarInfo, sizeof(RarInfo));
+ if(rarInfo == NULLP)
+ {
DU_LOG("\nMAC: Memory Allocation failed for rarInfo");
return RFAILED;
- }
+ }
+
+ schDlSlotInfo->rarInfo = rarInfo;
- schDlSlotInfo->rarInfo = rarInfo;
-
/* calculate the ra-rnti value */
- raRnti = calculateRaRnti(rachInd->symbolIdx,rachInd->slotIdx,rachInd->freqIdx);
-
- /* create raCb at SCH */
- createSchRaCb(rachInd->crnti,schInst);
-
- /* allocate resources for msg3 */
- ret = schAllocMsg3Pusch(schInst, rarSlot, &msg3StartRb, &msg3NumRb);
- if(ret == ROK)
- {
- /* fill RAR info */
- rarInfo->raRnti = raRnti;
- rarInfo->tcrnti = rachInd->crnti;
- rarInfo->RAPID = rachInd->preambleIdx;
- rarInfo->ta = rachInd->timingAdv;
- rarInfo->msg3FreqAlloc.startPrb = msg3StartRb;
- rarInfo->msg3FreqAlloc.numPrb = msg3NumRb;
- }
+ raRnti = calculateRaRnti(rachInd->symbolIdx,rachInd->slotIdx,rachInd->freqIdx);
+
+ /* create raCb at SCH */
+ createSchRaCb(rachInd->crnti,schInst);
+
+ /* allocate resources for msg3 */
+ ret = schAllocMsg3Pusch(schInst, rarSlot, &msg3StartRb, &msg3NumRb);
+ if(ret == ROK)
+ {
+ /* fill RAR info */
+ rarInfo->raRnti = raRnti;
+ rarInfo->tcrnti = rachInd->crnti;
+ rarInfo->RAPID = rachInd->preambleIdx;
+ rarInfo->ta = rachInd->timingAdv;
+ rarInfo->msg3FreqAlloc.startPrb = msg3StartRb;
+ rarInfo->msg3FreqAlloc.numPrb = msg3NumRb;
+ }
return ret;
}
Inst inst = 0;
uint8_t coreset0Idx = 0;
uint8_t numRbs = 0;
- uint8_t firstSymbol = 0;
+ uint8_t firstSymbol = 0;
uint8_t numSymbols = 0;
uint8_t offset = 0;
uint8_t FreqDomainResource[6] = {0};
uint16_t tbSize = 0;
- uint8_t numPdschSymbols = 12; /* considering pdsch region from 2 to 13 */
+ uint8_t numPdschSymbols = 12; /* considering pdsch region from 2 to 13 */
uint8_t mcs = 4; /* MCS fixed to 4 */
SchBwpDlCfg *initialBwp = &schCb[inst].cells[inst]->cellCfg.schInitialDlBwp;
- PdcchCfg *pdcch = &rarAlloc->rarPdcchCfg;
- PdschCfg *pdsch = &rarAlloc->rarPdschCfg;
+ PdcchCfg *pdcch = &rarAlloc->rarPdcchCfg;
+ PdschCfg *pdsch = &rarAlloc->rarPdschCfg;
BwpCfg *bwp = &rarAlloc->bwp;
coreset0Idx = initialBwp->pdcchCommon.commonSearchSpace.coresetId;
offset = coresetIdxTable[coreset0Idx][3];
/* calculate time domain parameters */
- // note: since slot value is made sl1, RAR can be sent at all slots
- uint16_t mask = 0x2000;
- for(firstSymbol=0; firstSymbol<14;firstSymbol++)
- {
- if(initialBwp->pdcchCommon.commonSearchSpace.monitoringSymbol & mask)
- break;
- else
- mask = mask>>1;
+ // note: since slot value is made sl1, RAR can be sent at all slots
+ uint16_t mask = 0x2000;
+ for(firstSymbol=0; firstSymbol<14;firstSymbol++)
+ {
+ if(initialBwp->pdcchCommon.commonSearchSpace.monitoringSymbol & mask)
+ break;
+ else
+ mask = mask>>1;
}
/* calculate the PRBs */
pdcch->dci.beamPdcchInfo.prg[0].beamIdx[0] = 0;
pdcch->dci.txPdcchPower.powerValue = 0;
pdcch->dci.txPdcchPower.powerControlOffsetSS = 0;
- pdcch->dci.pdschCfg = pdsch;
+ pdcch->dci.pdschCfg = pdsch;
/* fill the PDSCH PDU */
- uint8_t cwCount = 0;
+ uint8_t cwCount = 0;
pdsch->pduBitmap = 0; /* PTRS and CBG params are excluded */
pdsch->rnti = raRnti; /* RA-RNTI */
pdsch->pduIndex = 0;
pdsch->numCodewords = 1;
- for(cwCount = 0; cwCount < pdsch->numCodewords; cwCount++)
- {
+ for(cwCount = 0; cwCount < pdsch->numCodewords; cwCount++)
+ {
pdsch->codeword[cwCount].targetCodeRate = 308;
pdsch->codeword[cwCount].qamModOrder = 2;
pdsch->codeword[cwCount].mcsIndex = mcs; /* mcs configured to 4 */
pdsch->codeword[cwCount].mcsTable = 0; /* notqam256 */
pdsch->codeword[cwCount].rvIndex = 0;
- tbSize = schCalcTbSize(10); /* 8 bytes RAR and 2 bytes padding */
+ tbSize = schCalcTbSize(10); /* 8 bytes RAR and 2 bytes padding */
pdsch->codeword[cwCount].tbSize = tbSize;
}
pdsch->dataScramblingId = pci;
pdsch->dmrs.scid = 0;
pdsch->dmrs.numDmrsCdmGrpsNoData = 1;
pdsch->dmrs.dmrsPorts = 0;
- pdsch->dmrs.mappingType = DMRS_MAP_TYPE_A; /* Type-A */
- pdsch->dmrs.nrOfDmrsSymbols = NUM_DMRS_SYMBOLS;
- pdsch->dmrs.dmrsAddPos = DMRS_ADDITIONAL_POS;
+ pdsch->dmrs.mappingType = DMRS_MAP_TYPE_A; /* Type-A */
+ pdsch->dmrs.nrOfDmrsSymbols = NUM_DMRS_SYMBOLS;
+ pdsch->dmrs.dmrsAddPos = DMRS_ADDITIONAL_POS;
pdsch->pdschFreqAlloc.resourceAllocType = 1; /* RAT type-1 RIV format */
pdsch->pdschFreqAlloc.freqAlloc.startPrb = offset + SCH_SSB_NUM_PRB; /* the RB numbering starts from coreset0, and PDSCH is always above SSB */
pdsch->pdschFreqAlloc.freqAlloc.numPrb = schCalcNumPrb(tbSize,mcs,numPdschSymbols);
pdsch->beamPdschInfo.prg[0].beamIdx[0] = 0;
pdsch->txPdschPower.powerControlOffset = 0;
pdsch->txPdschPower.powerControlOffsetSS = 0;
-
- return ROK;
+
+ return ROK;
}
/**********************************************************************