X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?a=blobdiff_plain;f=src%2F5gnrsch%2Fsch_rach.c;h=bd9b65a54ec1a0b762fd485ac3cb82d1aedf8349;hb=f191979f3454e08cc049af12d6323819730260ef;hp=1e4edb291f25946c090944299136aa54da0f451c;hpb=7ba0c6ecc645d7b36fdd02913d1b92727c36f413;p=o-du%2Fl2.git diff --git a/src/5gnrsch/sch_rach.c b/src/5gnrsch/sch_rach.c index 1e4edb291..bd9b65a54 100644 --- a/src/5gnrsch/sch_rach.c +++ b/src/5gnrsch/sch_rach.c @@ -42,8 +42,8 @@ #include "sch.h" #include "sch_utils.h" -extern SchCb schCb[SCH_MAX_INST]; -extern uint8_t puschDeltaTable[MAX_MU_PUSCH]; +SchCb schCb[SCH_MAX_INST]; +uint8_t puschDeltaTable[MAX_MU_PUSCH]; /** * @brief calculate ra-rnti function. @@ -62,9 +62,11 @@ extern uint8_t puschDeltaTable[MAX_MU_PUSCH]; uint16_t calculateRaRnti(uint8_t symbolIdx, uint8_t slotIdx, uint8_t freqIdx) { uint16_t raRnti = 0; - uint8_t ulCarrierIdx = 0; /* configured to 0 */ + uint8_t ulCarrierIdx = 0; /* configured to 0 */ + raRnti = (1+symbolIdx+(14*slotIdx)+(14*80*freqIdx)+(14*80*8*ulCarrierIdx)); - return raRnti; + + return raRnti; } /** @@ -82,7 +84,10 @@ uint16_t calculateRaRnti(uint8_t symbolIdx, uint8_t slotIdx, uint8_t freqIdx) **/ void createSchRaCb(uint16_t tcrnti, Inst schInst) { - schCb[schInst].cells[schInst]->raCb[0].tcrnti = tcrnti; + uint8_t ueIdx = 0; + + GET_UE_IDX(tcrnti, ueIdx); + schCb[schInst].cells[schInst]->raCb[ueIdx -1].tcrnti = tcrnti; } /** @@ -100,15 +105,11 @@ void createSchRaCb(uint16_t tcrnti, Inst schInst) * @param[out] msg3NumRb * @return void **/ -uint8_t schAllocMsg3Pusch(Inst schInst, uint16_t slot, uint16_t *msg3StartRb, -uint8_t *msg3NumRb) +uint8_t schAllocMsg3Pusch(Inst schInst, uint16_t slot, uint16_t crnti, \ + uint16_t *msg3StartRb, uint8_t *msg3NumRb, uint16_t msg3SlotAlloc) { 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; @@ -119,16 +120,9 @@ uint8_t *msg3NumRb) 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); @@ -147,19 +141,22 @@ uint8_t *msg3NumRb) SCH_ALLOC(schUlSlotInfo->schPuschInfo, sizeof(SchPuschInfo)); if(!schUlSlotInfo->schPuschInfo) { - DU_LOG("SCH: Memory allocation failed in schAllocMsg3Pusch"); + DU_LOG("\nERROR --> SCH : Memory allocation failed in schAllocMsg3Pusch"); return RFAILED; } tbSize = 0; /* since nPrb has been incremented, recalculating tbSize */ tbSize = schCalcTbSizeFromNPrb(numRb, mcs, numPdschSymbols); - + tbSize = tbSize/8;/*bits to byte conversion*/ + schUlSlotInfo->schPuschInfo->crnti = crnti; 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.qamOrder = 2; /* QPSK modulation */ + schUlSlotInfo->schPuschInfo->tbInfo.mcs = mcs; + schUlSlotInfo->schPuschInfo->tbInfo.mcsTable = SCH_MCS_TABLE_QAM_64; schUlSlotInfo->schPuschInfo->tbInfo.ndi = 1; /* new transmission */ schUlSlotInfo->schPuschInfo->tbInfo.rv = 0; schUlSlotInfo->schPuschInfo->tbInfo.tbSize = tbSize; /*Considering 2 PRBs */ @@ -169,7 +166,6 @@ uint8_t *msg3NumRb) *msg3StartRb = startRb; *msg3NumRb = numRb; - return ROK; } @@ -197,9 +193,43 @@ uint8_t schProcessRachInd(RachIndInfo *rachInd, Inst schInst) uint16_t msg3StartRb; uint8_t msg3NumRb; uint8_t ret = ROK; - + uint8_t delta = 0; + uint8_t k2 = 0; + uint8_t puschMu = 0; + uint16_t msg3Slot = 0; +#ifdef NR_TDD + uint16_t slotIdx = 0; +#endif + + //puschMu = cell->cellCfg.puschMu; + delta = puschDeltaTable[puschMu]; + k2 = cell->cellCfg.schInitialUlBwp.puschCommon.k2; /* RAR will sent with a delay of RAR_DELAY */ - rarSlot = (rachInd->timingInfo.slot+RAR_DELAY+PHY_DELTA)%SCH_NUM_SLOTS; + rarSlot = (rachInd->timingInfo.slot+RAR_DELAY+PHY_DELTA_DL)%cell->numSlots; +#ifdef NR_TDD + for(slotIdx=0; slotIdxnumSlots;slotIdx++) + { + /* Slot allocation for msg3 based on 38.214 section 6.1.2.1 */ + msg3Slot = (rarSlot+delta+k2)%cell->numSlots; + + if((schGetSlotSymbFrmt(rarSlot, cell->slotFrmtBitMap) != DL_SLOT) &&\ + (schGetSlotSymbFrmt(msg3Slot, cell->slotFrmtBitMap) != UL_SLOT)) + { + rarSlot = (rarSlot + 1) % cell->numSlots; + continue; + } + break; + } + if(slotIdx>=cell->numSlots) + { + DU_LOG("\nERROR --> SCH : NO Slot for Msg2 with Msg3 Grant\n"); + return RFAILED; + } +#else + /* Slot allocation for msg3 based on 38.214 section 6.1.2.1 */ + msg3Slot = rarSlot + k2 + delta; + msg3Slot = msg3Slot % cell->numSlots; +#endif SchDlSlotInfo *schDlSlotInfo = cell->schDlSlotInfo[rarSlot]; /* RAR will sent in the next slot */ @@ -207,7 +237,7 @@ uint8_t schProcessRachInd(RachIndInfo *rachInd, Inst schInst) SCH_ALLOC(rarInfo, sizeof(RarInfo)); if(rarInfo == NULLP) { - DU_LOG("\nMAC: Memory Allocation failed for rarInfo"); + DU_LOG("\nERROR --> SCH : Memory Allocation failed for rarInfo"); return RFAILED; } @@ -220,7 +250,7 @@ uint8_t schProcessRachInd(RachIndInfo *rachInd, Inst schInst) createSchRaCb(rachInd->crnti,schInst); /* allocate resources for msg3 */ - ret = schAllocMsg3Pusch(schInst, rarSlot, &msg3StartRb, &msg3NumRb); + ret = schAllocMsg3Pusch(schInst, rarSlot, rachInd->crnti, &msg3StartRb, &msg3NumRb, msg3Slot); if(ret == ROK) { /* fill RAR info */ @@ -249,7 +279,8 @@ uint8_t schProcessRachInd(RachIndInfo *rachInd, Inst schInst) * @param[in] offset to pointA to determine freq alloc * @return ROK **/ -uint8_t schFillRar(RarAlloc *rarAlloc, uint16_t raRnti, uint16_t pci, uint8_t offsetPointA) +uint8_t schFillRar(RarAlloc *rarAlloc, uint16_t raRnti, uint16_t pci, uint8_t offsetPointA, \ +bool ssbPresent, bool sib1Present) { Inst inst = 0; uint8_t coreset0Idx = 0; @@ -259,14 +290,13 @@ uint8_t schFillRar(RarAlloc *rarAlloc, uint16_t raRnti, uint16_t pci, uint8_t of 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 mcs = 4; /* MCS fixed to 4 */ SchBwpDlCfg *initialBwp = &schCb[inst].cells[inst]->cellCfg.schInitialDlBwp; - PdcchCfg *pdcch = &rarAlloc->rarPdcchCfg; PdschCfg *pdsch = &rarAlloc->rarPdschCfg; BwpCfg *bwp = &rarAlloc->bwp; + FreqDomainAlloc *sib1PdschFreqAlloc = NULL; coreset0Idx = initialBwp->pdcchCommon.commonSearchSpace.coresetId; @@ -287,7 +317,7 @@ uint8_t schFillRar(RarAlloc *rarAlloc, uint16_t raRnti, uint16_t pci, uint8_t of } /* calculate the PRBs */ - schAllocFreqDomRscType0(((offsetPointA-offset)/6), (numRbs/6), FreqDomainResource); + freqDomRscAllocType0(((offsetPointA-offset)/6), (numRbs/6), FreqDomainResource); /* fill BWP */ bwp->freqAlloc.numPrb = initialBwp->bwp.freqAlloc.numPrb; @@ -296,15 +326,15 @@ uint8_t schFillRar(RarAlloc *rarAlloc, uint16_t raRnti, uint16_t pci, uint8_t of bwp->cyclicPrefix = initialBwp->bwp.cyclicPrefix; /* fill the PDCCH PDU */ - pdcch->coreset0Cfg.startSymbolIndex = firstSymbol; - pdcch->coreset0Cfg.durationSymbols = numSymbols; - memcpy(pdcch->coreset0Cfg.freqDomainResource,FreqDomainResource,6); - pdcch->coreset0Cfg.cceRegMappingType = 1; /* coreset0 is always interleaved */ - pdcch->coreset0Cfg.regBundleSize = 6; /* spec-38.211 sec 7.3.2.2 */ - pdcch->coreset0Cfg.interleaverSize = 2; /* spec-38.211 sec 7.3.2.2 */ - pdcch->coreset0Cfg.coreSetType = 0; - pdcch->coreset0Cfg.shiftIndex = pci; - pdcch->coreset0Cfg.precoderGranularity = 0; /* sameAsRegBundle */ + pdcch->coresetCfg.startSymbolIndex = firstSymbol; + pdcch->coresetCfg.durationSymbols = numSymbols; + memcpy(pdcch->coresetCfg.freqDomainResource, FreqDomainResource, FREQ_DOM_RSRC_SIZE); + pdcch->coresetCfg.cceRegMappingType = 1; /* coreset0 is always interleaved */ + pdcch->coresetCfg.regBundleSize = 6; /* spec-38.211 sec 7.3.2.2 */ + pdcch->coresetCfg.interleaverSize = 2; /* spec-38.211 sec 7.3.2.2 */ + pdcch->coresetCfg.coreSetType = 0; + pdcch->coresetCfg.shiftIndex = pci; + pdcch->coresetCfg.precoderGranularity = 0; /* sameAsRegBundle */ pdcch->numDlDci = 1; pdcch->dci.rnti = raRnti; /* RA-RNTI */ pdcch->dci.scramblingId = pci; @@ -333,14 +363,15 @@ uint8_t schFillRar(RarAlloc *rarAlloc, uint16_t raRnti, uint16_t pci, uint8_t of 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 */ + /* RAR PDU length and FAPI payload header length */ + tbSize = schCalcTbSize(RAR_PAYLOAD_SIZE + TX_PAYLOAD_HDR_LEN); pdsch->codeword[cwCount].tbSize = tbSize; } pdsch->dataScramblingId = pci; pdsch->numLayers = 1; pdsch->transmissionScheme = 0; pdsch->refPoint = 0; - pdsch->dmrs.dlDmrsSymbPos = 2; + pdsch->dmrs.dlDmrsSymbPos = 4; /* Bitmap value 00000000000100 i.e. using 3rd symbol for PDSCH DMRS */ pdsch->dmrs.dmrsConfigType = 0; /* type-1 */ pdsch->dmrs.dlDmrsScramblingId = pci; pdsch->dmrs.scid = 0; @@ -350,8 +381,20 @@ uint8_t schFillRar(RarAlloc *rarAlloc, uint16_t raRnti, uint16_t pci, uint8_t of 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); + /* The RB numbering starts from coreset0 */ + pdsch->pdschFreqAlloc.freqAlloc.startPrb = PDSCH_START_RB; + if(ssbPresent) + { + /* PDSCH is always above SSB */ + pdsch->pdschFreqAlloc.freqAlloc.startPrb = offsetPointA + SCH_SSB_NUM_PRB + 1; + } + if(sib1Present) + { + /* Must not overlap with SIB1 */ + sib1PdschFreqAlloc = &schCb[inst].cells[inst]->cellCfg.sib1SchCfg.sib1PdschCfg.pdschFreqAlloc.freqAlloc; + pdsch->pdschFreqAlloc.freqAlloc.startPrb = sib1PdschFreqAlloc->startPrb + sib1PdschFreqAlloc->numPrb + 1; + } + pdsch->pdschFreqAlloc.freqAlloc.numPrb = schCalcNumPrb(tbSize, mcs, initialBwp->pdschCommon.lengthSymbol); pdsch->pdschFreqAlloc.vrbPrbMapping = 0; /* non-interleaved */ pdsch->pdschTimeAlloc.timeAlloc.startSymb = initialBwp->pdschCommon.startSymbol; pdsch->pdschTimeAlloc.timeAlloc.numSymb = initialBwp->pdschCommon.lengthSymbol;