X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?a=blobdiff_plain;f=src%2F5gnrsch%2Fsch_common.c;h=6c00b57e9fcb268c5094ed7088e46ff57f68d70b;hb=134974ec70ab6e0501889e5d162a3b0c806c3bdc;hp=6931f7c44d97fb4dc71252de54870916cacc3321;hpb=8d9ebf64c8a64bf1346685833fe79970c4ef3d14;p=o-du%2Fl2.git diff --git a/src/5gnrsch/sch_common.c b/src/5gnrsch/sch_common.c index 6931f7c44..6c00b57e9 100644 --- a/src/5gnrsch/sch_common.c +++ b/src/5gnrsch/sch_common.c @@ -143,10 +143,10 @@ uint8_t schBroadcastAlloc(SchCellCb *cell, DlBrdcstAlloc *dlBrdcstAlloc, for(idx=0; idxssbIdxSupported; idx++) { ssbInfo.ssbIdx = idx; - ssbInfo.fdAlloc.ssbStartPrbIdx = ssbStartPrb; - ssbInfo.fdAlloc.ssbPrbDuration = SCH_SSB_PRB_DURATION; - ssbInfo.tdAlloc.ssbStartSymbIdx = ssbStartSymb; - ssbInfo.tdAlloc.ssbSymbolDuration = SCH_SSB_SYMB_DURATION; + ssbInfo.fdAlloc.startPrb = ssbStartPrb; + ssbInfo.fdAlloc.numPrb = SCH_SSB_PRB_DURATION; + ssbInfo.tdAlloc.startSymb = ssbStartSymb; + ssbInfo.tdAlloc.numSymb = SCH_SSB_SYMB_DURATION; dlBrdcstAlloc->ssbInfo[idx] = ssbInfo; dlAlloc->ssbInfo[idx] = ssbInfo; @@ -226,7 +226,7 @@ int schPrachResAlloc(SchCellCb *cell, UlSchInfo *ulSchInfo) uint8_t prachFormat = 0; uint8_t x = 0; uint8_t y = 0; - uint8_t prachSubframe = 0; + uint16_t prachSubframe = 0; uint8_t prachStartSymbol = 0; uint8_t prachOcas = 0; uint8_t dataType = 0; @@ -305,8 +305,21 @@ uint8_t schUlResAlloc(SchCellCb *cell, Inst schInst) { int ret = ROK; UlSchInfo ulSchInfo; + SchUlAlloc *ulAlloc; + /* Schedule resources for PRACH */ schPrachResAlloc(cell, &ulSchInfo); + + ulAlloc = cell->ulAlloc[cell->slotInfo.slot]; + + if(ulAlloc->schPuschInfo) + { + ulSchInfo.dataType |= SCH_DATATYPE_PUSCH; + memcpy(&ulSchInfo.schPuschInfo, ulAlloc->schPuschInfo, + sizeof(SchPuschInfo)); + SCH_FREE(ulAlloc->schPuschInfo, sizeof(SchPuschInfo)); + } + //send msg to MAC ret = sendUlSchInfoToMac(&ulSchInfo, schInst); if(ret != ROK) @@ -316,6 +329,141 @@ uint8_t schUlResAlloc(SchCellCb *cell, Inst schInst) return ret; } + +/******************************************************************* + * + * @brief Fills pdcch and pdsch info for msg4 + * + * @details + * + * Function : schDlRsrcAllocMsg4 + * + * Functionality: + * Fills pdcch and pdsch info for msg4 + * + * @params[in] + * @return ROK - success + * RFAILED - failure + * + * ****************************************************************/ +uint8_t schDlRsrcAllocMsg4(Msg4Alloc *msg4Alloc, SchCellCb *cell, uint16_t slot) +{ + uint8_t coreset0Idx = 0; + uint8_t numRbs = 0; + uint8_t firstSymbol = 0; + uint8_t numSymbols = 0; + uint8_t offset = 0; + uint8_t offsetPointA; + uint8_t FreqDomainResource[6] = {0}; + SchBwpDlCfg *initialBwp; + + PdcchCfg *pdcch = &msg4Alloc->msg4PdcchCfg; + PdschCfg *pdsch = &msg4Alloc->msg4PdschCfg; + + initialBwp = &cell->cellCfg.schInitialDlBwp; + offsetPointA = cell->cellCfg.ssbSchCfg.ssbOffsetPointA; + coreset0Idx = initialBwp->pdcchCommon.raSearchSpace.coresetId; + + /* derive the sib1 coreset0 params from table 13-1 spec 38.213 */ + numRbs = coresetIdxTable[coreset0Idx][1]; + numSymbols = coresetIdxTable[coreset0Idx][2]; + offset = coresetIdxTable[coreset0Idx][3]; + + /* calculate time domain parameters */ + uint16_t mask = 0x2000; + for(firstSymbol=0; firstSymbol<14;firstSymbol++) + { + if(initialBwp->pdcchCommon.raSearchSpace.monitoringSymbol & mask) + break; + else + mask = mask>>1; + } + + /* calculate the PRBs */ + calculatePRB( ((offsetPointA-offset)/6), (numRbs/6), FreqDomainResource); + + /* fill the PDCCH PDU */ + pdcch->pdcchBwpCfg.BWPSize = initialBwp->bwp.numPrb; + pdcch->pdcchBwpCfg.BWPStart = initialBwp->bwp.firstPrb; + pdcch->pdcchBwpCfg.subcarrierSpacing = initialBwp->bwp.scs; + pdcch->pdcchBwpCfg.cyclicPrefix = initialBwp->bwp.cyclicPrefix; + 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.coreSet0Size = numRbs; + pdcch->coreset0Cfg.shiftIndex = cell->cellCfg.phyCellId; + pdcch->coreset0Cfg.precoderGranularity = 0; /* sameAsRegBundle */ + pdcch->numDlDci = 1; + pdcch->dci.rnti = cell->dlAlloc[slot]->msg4Info->crnti; + pdcch->dci.scramblingId = cell->cellCfg.phyCellId; + pdcch->dci.scramblingRnti = 0; + pdcch->dci.cceIndex = 4; /* considering SIB1 is sent at cce 0-1-2-3 */ + pdcch->dci.aggregLevel = 4; + pdcch->dci.beamPdcchInfo.numPrgs = 1; + pdcch->dci.beamPdcchInfo.prgSize = 1; + pdcch->dci.beamPdcchInfo.digBfInterfaces = 0; + pdcch->dci.beamPdcchInfo.prg[0].pmIdx = 0; + pdcch->dci.beamPdcchInfo.prg[0].beamIdx[0] = 0; + pdcch->dci.txPdcchPower.powerValue = 0; + pdcch->dci.txPdcchPower.powerControlOffsetSS = 0; + + /* fill the PDSCH PDU */ + uint8_t cwCount = 0; + pdsch->pduBitmap = 0; /* PTRS and CBG params are excluded */ + pdsch->rnti = cell->dlAlloc[slot]->msg4Info->crnti; + pdsch->pduIndex = 0; + pdsch->pdschBwpCfg.BWPSize = initialBwp->bwp.numPrb; + pdsch->pdschBwpCfg.BWPStart = initialBwp->bwp.firstPrb; + pdsch->numCodewords = 1; + for(cwCount = 0; cwCount < pdsch->numCodewords; cwCount++) + { + pdsch->codeword[cwCount].targetCodeRate = 308; + pdsch->codeword[cwCount].qamModOrder = 2; + pdsch->codeword[cwCount].mcsIndex = 4; /* mcs configured to 4 */ + pdsch->codeword[cwCount].mcsTable = 0; /* notqam256 */ + pdsch->codeword[cwCount].rvIndex = 0; + /* 38.214: Table 5.1.3.2-1, divided by 8 to get the value in bytes */ + /* TODO : Calculate tbSize based of DL CCCH msg size */ + pdsch->codeword[cwCount].tbSize = 2664/8; + } + pdsch->dataScramblingId = cell->cellCfg.phyCellId; + pdsch->numLayers = 1; + pdsch->transmissionScheme = 0; + pdsch->refPoint = 0; + pdsch->dmrs.dlDmrsSymbPos = 2; + pdsch->dmrs.dmrsConfigType = 0; /* type-1 */ + pdsch->dmrs.dlDmrsScramblingId = cell->cellCfg.phyCellId; + pdsch->dmrs.scid = 0; + pdsch->dmrs.numDmrsCdmGrpsNoData = 1; + pdsch->dmrs.dmrsPorts = 0; + pdsch->freqAlloc.resourceAlloc = 1; /* RAT type-1 RIV format */ + /* the RB numbering starts from coreset0, and PDSCH is always above SSB */ + pdsch->freqAlloc.rbStart = offset + SCH_SSB_PRB_DURATION; + /* formula used for calculation of rbSize, 38.213 section 5.1.3.2 * + * Ninfo = S . Nre . R . Qm . v * + * Nre' = Nsc . NsymPdsch - NdmrsSymb - Noh * + * Nre = min(156,Nre') . nPrb */ + /* TODO : Calculate rbSize based on tbSize calculated */ + pdsch->freqAlloc.rbSize = 34; + pdsch->freqAlloc.vrbPrbMapping = 0; /* non-interleaved */ + pdsch->timeAlloc.startSymbolIndex = 2; /* spec-38.214, Table 5.1.2.1-1 */ + pdsch->timeAlloc.numSymbols = 12; + pdsch->beamPdschInfo.numPrgs = 1; + pdsch->beamPdschInfo.prgSize = 1; + pdsch->beamPdschInfo.digBfInterfaces = 0; + pdsch->beamPdschInfo.prg[0].pmIdx = 0; + pdsch->beamPdschInfo.prg[0].beamIdx[0] = 0; + pdsch->txPdschPower.powerControlOffset = 0; + pdsch->txPdschPower.powerControlOffsetSS = 0; + + pdcch->dci.pdschCfg = pdsch; + return ROK; +} + /********************************************************************** End of file **********************************************************************/