X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?a=blobdiff_plain;f=src%2F5gnrsch%2Fsch.c;h=f68015dcf287f15892ec8f191f82a81496052193;hb=47233d9133bc657fcb47df4a9d6a447a841a0967;hp=9c10ceb41611a00b6bf2f703d7c9b7cc8f5d509b;hpb=d75d1b078091768f45b83f2a745a25917e03b39d;p=o-du%2Fl2.git diff --git a/src/5gnrsch/sch.c b/src/5gnrsch/sch.c index 9c10ceb41..f68015dcf 100644 --- a/src/5gnrsch/sch.c +++ b/src/5gnrsch/sch.c @@ -412,15 +412,12 @@ uint16_t schGetPeriodicityInMsec(DlUlTxPeriodicity tddPeriod) void schInitTddSlotCfg(SchCellCb *cell, SchCellCfg *schCellCfg) { uint16_t periodicityInMicroSec = 0; - uint32_t slotBitPos, symbBitPos, bitMask; int8_t slotIdx, symbIdx; periodicityInMicroSec = schGetPeriodicityInMsec(schCellCfg->tddCfg.tddPeriod); cell->numSlotsInPeriodicity = (periodicityInMicroSec * pow(2, schCellCfg->numerology))/1000; -cell->slotFrmtBitMap = 0; + cell->slotFrmtBitMap = 0; cell->symbFrmtBitMap = 0; - slotBitPos = (cell->numSlotsInPeriodicity*2)-1; /* considering 2 bits to represent a slot */ - symbBitPos = (MAX_SYMB_PER_SLOT*2)-1; /* considering 2 bits to represent a symbol */ for(slotIdx = cell->numSlotsInPeriodicity-1; slotIdx >= 0; slotIdx--) { symbIdx = 0; @@ -433,23 +430,13 @@ cell->slotFrmtBitMap = 0; case DL_SLOT: { /*BitMap to be set to 00 */ - bitMask = 1<slotFrmtBitMap = (cell->slotFrmtBitMap & ~(bitMask)) | ((0<slotFrmtBitMap = (cell->slotFrmtBitMap & ~(bitMask)) | ((0<slotFrmtBitMap = (cell->slotFrmtBitMap<<2); break; } case UL_SLOT: { /*BitMap to be set to 01 */ - bitMask = 1<slotFrmtBitMap = (cell->slotFrmtBitMap & ~(bitMask)) | ((0<slotFrmtBitMap = (cell->slotFrmtBitMap & ~(bitMask)) | ((1<slotFrmtBitMap = ((cell->slotFrmtBitMap<<2) | (UL_SLOT)); break; } default: @@ -458,12 +445,8 @@ cell->slotFrmtBitMap = 0; continue; } /* slot config is flexible. First set slotBitMap to 10 */ - bitMask = 1<slotFrmtBitMap = (cell->slotFrmtBitMap & ~(bitMask)) | ((1<slotFrmtBitMap = (cell->slotFrmtBitMap & ~(bitMask)) | ((0<slotFrmtBitMap = ((cell->slotFrmtBitMap<<2) | (FLEXI_SLOT)); + /* Now set symbol bitmap */ for(symbIdx = MAX_SYMB_PER_SLOT-1; symbIdx >= 0; symbIdx--) { @@ -472,34 +455,19 @@ cell->slotFrmtBitMap = 0; case DL_SLOT: { /*symbol BitMap to be set to 00 */ - bitMask = 1<symbFrmtBitMap = (cell->symbFrmtBitMap & ~(bitMask)) | ((0<symbFrmtBitMap = (cell->symbFrmtBitMap & ~(bitMask)) | ((0<symbFrmtBitMap = (cell->symbFrmtBitMap<<2); break; } case UL_SLOT: { /*symbol BitMap to be set to 01 */ - bitMask = 1<symbFrmtBitMap = (cell->symbFrmtBitMap & ~(bitMask)) | ((0<symbFrmtBitMap = (cell->symbFrmtBitMap & ~(bitMask)) | ((1<symbFrmtBitMap = ((cell->symbFrmtBitMap<<2) | (UL_SLOT)); break; } case FLEXI_SLOT: { /*symbol BitMap to be set to 10 */ - bitMask = 1<symbFrmtBitMap = (cell->symbFrmtBitMap & ~(bitMask)) | ((1<symbFrmtBitMap = (cell->symbFrmtBitMap & ~(bitMask)) | ((0<symbFrmtBitMap = ((cell->symbFrmtBitMap<<2) | (FLEXI_SLOT)); break; } default: @@ -507,7 +475,6 @@ cell->slotFrmtBitMap = 0; } } } - } #endif @@ -704,7 +671,7 @@ uint8_t schInitCellCb(Inst inst, SchCellCfg *schCellCfg) * uint8_t offsetPointA : offset * @return void **/ -void fillSchSib1Cfg(uint8_t bandwidth, uint8_t numSlots, SchSib1Cfg *sib1SchCfg, uint16_t pci, uint8_t offsetPointA) +void fillSchSib1Cfg(uint8_t mu, uint8_t bandwidth, uint8_t numSlots, SchSib1Cfg *sib1SchCfg, uint16_t pci, uint8_t offsetPointA) { uint8_t coreset0Idx = 0; uint8_t searchSpace0Idx = 0; @@ -719,7 +686,8 @@ void fillSchSib1Cfg(uint8_t bandwidth, uint8_t numSlots, SchSib1Cfg *sib1SchCfg, uint8_t slotIndex = 0; uint8_t FreqDomainResource[6] = {0}; uint16_t tbSize = 0; - uint8_t numPdschSymbols = 12; /* considering pdsch region from 2 to 13 */ + uint8_t numPdschSymbols = 11; /* considering pdsch region from symbols 3 to 13 */ + uint8_t ssbIdx = 0; PdcchCfg *pdcch = &(sib1SchCfg->sib1PdcchCfg); PdschCfg *pdsch = &(sib1SchCfg->sib1PdschCfg); @@ -745,7 +713,7 @@ void fillSchSib1Cfg(uint8_t bandwidth, uint8_t numSlots, SchSib1Cfg *sib1SchCfg, * [(O . 2^u + i . M ) ] mod numSlotsPerSubframe * assuming u = 0, i = 0, numSlotsPerSubframe = 10 * Also, from this configuration, coreset0 is only on even subframe */ - slotIndex = ((oValue * 1) + (0 * mValue)) % numSlots; + slotIndex = (int)((oValue*pow(2, mu)) + floor(ssbIdx*mValue))%numSlots; sib1SchCfg->n0 = slotIndex; /* calculate the PRBs */ @@ -813,14 +781,14 @@ void fillSchSib1Cfg(uint8_t bandwidth, uint8_t numSlots, SchSib1Cfg *sib1SchCfg, pdsch->codeword[cwCount].mcsIndex = sib1SchCfg->sib1Mcs; pdsch->codeword[cwCount].mcsTable = 0; /* notqam256 */ pdsch->codeword[cwCount].rvIndex = 0; - tbSize = schCalcTbSize(sib1SchCfg->sib1PduLen); + tbSize = schCalcTbSize(sib1SchCfg->sib1PduLen + 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; @@ -831,12 +799,13 @@ void fillSchSib1Cfg(uint8_t bandwidth, uint8_t numSlots, SchSib1Cfg *sib1SchCfg, 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, + pdsch->pdschFreqAlloc.freqAlloc.startPrb = offsetPointA + SCH_SSB_NUM_PRB + 1; /* the RB numbering starts from coreset0, and PDSCH is always above SSB */ pdsch->pdschFreqAlloc.freqAlloc.numPrb = schCalcNumPrb(tbSize,sib1SchCfg->sib1Mcs,numPdschSymbols); pdsch->pdschFreqAlloc.vrbPrbMapping = 0; /* non-interleaved */ pdsch->pdschTimeAlloc.rowIndex = 1; - pdsch->pdschTimeAlloc.timeAlloc.startSymb = 2; /* spec-38.214, Table 5.1.2.1-1 */ + /* This is Intel's requirement. PDSCH should start after PDSCH DRMS symbol */ + pdsch->pdschTimeAlloc.timeAlloc.startSymb = 3; /* spec-38.214, Table 5.1.2.1-1 */ pdsch->pdschTimeAlloc.timeAlloc.numSymb = numPdschSymbols; pdsch->beamPdschInfo.numPrgs = 1; pdsch->beamPdschInfo.prgSize = 1; @@ -876,7 +845,7 @@ uint8_t SchHdlCellCfgReq(Pst *pst, SchCellCfg *schCellCfg) cellCb->macInst = pst->srcInst; /* derive the SIB1 config parameters */ - fillSchSib1Cfg(schCellCfg->bandwidth, cellCb->numSlots, + fillSchSib1Cfg(schCellCfg->numerology, schCellCfg->bandwidth, cellCb->numSlots, &(schCellCfg->sib1SchCfg), schCellCfg->phyCellId, schCellCfg->ssbSchCfg.ssbOffsetPointA); memcpy(&cellCb->cellCfg, schCellCfg, sizeof(SchCellCfg)); @@ -920,6 +889,9 @@ uint8_t MacSchDlRlcBoInfo(Pst *pst, DlRlcBoInfo *dlBoInfo) uint8_t lcId = 0; uint16_t ueIdx = 0; uint16_t slot; +#ifdef NR_TDD + uint16_t slotIdx = 0; +#endif SchUeCb *ueCb = NULLP; SchCellCb *cell = NULLP; SchDlSlotInfo *schDlSlotInfo = NULLP; @@ -944,7 +916,19 @@ uint8_t MacSchDlRlcBoInfo(Pst *pst, DlRlcBoInfo *dlBoInfo) return RFAILED; } - slot = (cell->slotInfo.slot + SCHED_DELTA + PHY_DELTA + BO_DELTA) % cell->numSlots; + slot = (cell->slotInfo.slot + SCHED_DELTA + PHY_DELTA_DL + BO_DELTA) % cell->numSlots; +#ifdef NR_TDD + while(schGetSlotSymbFrmt(cell->slotFrmtBitMap, slot) != DL_SLOT) + { + slot = (slot + 1)%cell->numSlots; + slotIdx++; + if(slotIdx==cell->numSlots) + { + DU_LOG("\nERROR --> SCH : No DL Slot available"); + return RFAILED; + } + } +#endif schDlSlotInfo = cell->schDlSlotInfo[slot]; SCH_ALLOC(schDlSlotInfo->dlMsgInfo, sizeof(DlMsgInfo));