X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?a=blobdiff_plain;f=src%2F5gnrsch%2Fsch_common.c;h=3e14282e7f389472546a23669e576a83c7fb40af;hb=746426865b5742eb3d79ae2457081c47c1c2c4c1;hp=8a1ad711e2a9d3eb8e549e938ce5e3126682d3fc;hpb=85008fef60069af4d70a447e76aaae64ce836292;p=o-du%2Fl2.git diff --git a/src/5gnrsch/sch_common.c b/src/5gnrsch/sch_common.c index 8a1ad711e..3e14282e7 100644 --- a/src/5gnrsch/sch_common.c +++ b/src/5gnrsch/sch_common.c @@ -61,6 +61,7 @@ File: sch_common.c #include "mac_sch_interface.h" #include "sch.h" #include "sch_utils.h" +#include "common_def.h" extern SchCb schCb[SCH_MAX_INST]; extern uint16_t prachCfgIdxTable[MAX_PRACH_CONFIG_IDX][8]; @@ -73,41 +74,6 @@ SchMacUlSchInfoFunc schMacUlSchInfoOpts[] = packSchMacUlSchInfo }; -/** - * @brief Time domain allocation for SSB - * - * @details - * - * Function : ssbDlTdAlloc - * - * This function handles common scheduling for DL - * - * @param[in] uint8_t scs, uint8_t *ssbStartSym - * @return void - **/ -void ssbDlTdAlloc(uint8_t scs, uint8_t *ssbStartSymb) -{ - uint8_t n; - /* Determine value of "n" based on Section 4.1 of 3GPP TS 38.213 */ - switch(scs) - { - case SCH_SCS_15KHZ: - { - uint8_t symbIdx=0; - n = 2;/* n = 0, 1 for SCS = 15KHz */ - for(uint8_t idx=0; idxdlAlloc[slot]; + schDlSlotInfo = cell->schDlSlotInfo[slot]; if(dlBrdcstAlloc->ssbTrans) { - scs = cell->cellCfg.ssbSchCfg.scsCommon; ssbStartPrb = cell->cellCfg.ssbSchCfg.ssbOffsetPointA; + ssbStartSymb = cell->ssbStartSymbArr[dlBrdcstAlloc->ssbIdxSupported-1]; /*since we are + supporting only 1 ssb beam */ - memset(ssbStartSymbArr, 0, SCH_MAX_SSB_BEAM); - ssbDlTdAlloc(scs, ssbStartSymbArr); - ssbStartSymb = ssbStartSymbArr[dlBrdcstAlloc->ssbIdxSupported-1]; /*since we are supporting only 1 ssb beam */ /* Assign interface structure */ for(idx=0; idxssbIdxSupported; idx++) { - ssbInfo.ssbIdx = idx; - ssbInfo.fdAlloc.startPrb = ssbStartPrb; - ssbInfo.fdAlloc.numPrb = SCH_SSB_PRB_DURATION; - ssbInfo.tdAlloc.startSymb = ssbStartSymb; - ssbInfo.tdAlloc.numSymb = SCH_SSB_SYMB_DURATION; + ssbInfo.ssbIdx = idx; + ssbInfo.fdAlloc.startPrb = ssbStartPrb; + ssbInfo.fdAlloc.numPrb = SCH_SSB_NUM_PRB; + ssbInfo.tdAlloc.startSymb = ssbStartSymb; + ssbInfo.tdAlloc.numSymb = SCH_SSB_NUM_SYMB; dlBrdcstAlloc->ssbInfo[idx] = ssbInfo; - dlAlloc->ssbInfo[idx] = ssbInfo; - + schDlSlotInfo->ssbInfo[idx] = ssbInfo; } - dlAlloc->ssbPres = true; - dlAlloc->ssbIdxSupported = dlBrdcstAlloc->ssbIdxSupported; - for(idx=ssbStartSymb; idxssbPres = true; + schDlSlotInfo->ssbIdxSupported = dlBrdcstAlloc->ssbIdxSupported; + for(idx=ssbStartSymb; idxassignedPrb[idx] = ssbStartPrb + SCH_SSB_PRB_DURATION + 1; /* +1 for kSsb */ + schDlSlotInfo->assignedPrb[idx] = ssbStartPrb + SCH_SSB_NUM_PRB + 1; /* +1 for kSsb */ } - } /* SIB1 allocation */ if(dlBrdcstAlloc->sib1Trans) { - dlAlloc->sib1Pres = true; + schDlSlotInfo->sib1Pres = true; for(idx=0; idxassignedPrb[idx] = ssbStartPrb + SCH_SSB_PRB_DURATION + 1 + 10; /* 10 PRBs for sib1 */ + schDlSlotInfo->assignedPrb[idx] = ssbStartPrb + SCH_SSB_NUM_PRB + 1 + 10; /* 10 PRBs for sib1 */ } + memcpy(&dlBrdcstAlloc->sib1Alloc.bwp, &cell->cellCfg.sib1SchCfg.bwp, sizeof(BwpCfg)); memcpy(&dlBrdcstAlloc->sib1Alloc.sib1PdcchCfg, &cell->cellCfg.sib1SchCfg.sib1PdcchCfg, sizeof(PdcchCfg)); memcpy(&dlBrdcstAlloc->sib1Alloc.sib1PdschCfg, &cell->cellCfg.sib1SchCfg.sib1PdschCfg, sizeof(PdschCfg)); } @@ -191,7 +153,7 @@ uint8_t schBroadcastAlloc(SchCellCb *cell, DlBrdcstAlloc *dlBrdcstAlloc, * RFAILED - failure * * ****************************************************************/ -int sendUlSchInfoToMac(UlSchInfo *ulSchInfo, Inst inst) +int sendUlSchInfoToMac(UlSchedInfo *ulSchedInfo, Inst inst) { Pst pst; @@ -199,8 +161,7 @@ int sendUlSchInfoToMac(UlSchInfo *ulSchInfo, Inst inst) SCH_FILL_RSP_PST(pst, inst); pst.event = EVENT_UL_SCH_INFO; - return(*schMacUlSchInfoOpts[pst.selector])(&pst, ulSchInfo); - + return(*schMacUlSchInfoOpts[pst.selector])(&pst, ulSchedInfo); } /** * @brief resource allocation for PRACH @@ -212,16 +173,15 @@ int sendUlSchInfoToMac(UlSchInfo *ulSchInfo, Inst inst) * This function handles PRACH allocation * * @param[in] SchCellCb *cell, cell cb - * @param[in] UlSchInfo *ulSchInfo, UL scheduling info + * @param[in] UlSchedInfo *ulSchedInfo, UL scheduling info * @return void **/ -int schPrachResAlloc(SchCellCb *cell, UlSchInfo *ulSchInfo) +void schPrachResAlloc(SchCellCb *cell, UlSchedInfo *ulSchedInfo, SlotIndInfo prachOccasionTimingInfo) { + uint8_t puschScs; uint8_t numPrachRb = 0; uint8_t numRa = 0; uint8_t freqStart = 0; - uint16_t sfn = 0; - uint16_t slot = 0; uint8_t prachCfgIdx = 0; uint8_t prachFormat = 0; uint8_t x = 0; @@ -231,62 +191,59 @@ int schPrachResAlloc(SchCellCb *cell, UlSchInfo *ulSchInfo) uint8_t prachOcas = 0; uint8_t dataType = 0; uint8_t idx = 0; - SchUlAlloc *ulAlloc = NULLP; + SchUlSlotInfo *schUlSlotInfo = NULLP; - sfn = cell->slotInfo.sfn; - slot = cell->slotInfo.slot; - ulAlloc = cell->ulAlloc[cell->slotInfo.slot]; - prachCfgIdx = cell->cellCfg.schRachCfg.prachCfgIdx; + puschScs = cell->cellCfg.schInitialUlBwp.bwp.scs; + schUlSlotInfo = cell->schUlSlotInfo[prachOccasionTimingInfo.slot]; + prachCfgIdx = cell->cellCfg.schRachCfg.prachCfgIdx; /* derive the prachCfgIdx table paramters */ x = prachCfgIdxTable[prachCfgIdx][1]; y = prachCfgIdxTable[prachCfgIdx][2]; prachSubframe = prachCfgIdxTable[prachCfgIdx][3]; - if((sfn%x) != y) + if((prachOccasionTimingInfo.sfn%x) == y) { - /* prach occasion does not lie in this SFN */ - DU_LOG("\nPRACH ocassion doesn't lie in this SFN"); - return RFAILED; - } - /* check for subFrame number */ - if ((1 << slot) & prachSubframe) - { - /* prach ocassion present in this subframe */ - - prachFormat = prachCfgIdxTable[prachCfgIdx][0]; - prachStartSymbol = prachCfgIdxTable[prachCfgIdx][4]; - prachOcas = prachCfgIdxTable[prachCfgIdx][6]; - - /* freq domain resource determination for RACH*/ - freqStart = cell->cellCfg.schRachCfg.msg1FreqStart; - /* numRa determined as 𝑛 belonging {0,1,.., M − 1}, - * where M is given by msg1Fdm */ - numRa = (cell->cellCfg.schRachCfg.msg1Fdm - 1); - for(idx=0; idxcellCfg.schRachCfg.rootSeqIdx) - break; - } - numPrachRb = numRbForPrachTable[idx][3]; - dataType |= SCH_DATATYPE_PRACH; - /* Considering first slot in the frame for PRACH */ - idx = 0; - ulAlloc->assignedPrb[idx] = freqStart+numPrachRb; + /* check for subFrame number */ + if ((1 << prachOccasionTimingInfo.slot) & prachSubframe) + { + /* prach ocassion present in this subframe */ + + prachFormat = prachCfgIdxTable[prachCfgIdx][0]; + prachStartSymbol = prachCfgIdxTable[prachCfgIdx][4]; + prachOcas = prachCfgIdxTable[prachCfgIdx][6]; + + /* freq domain resource determination for RACH*/ + freqStart = cell->cellCfg.schRachCfg.msg1FreqStart; + /* numRa determined as 𝑛 belonging {0,1,.., M − 1}, + * where M is given by msg1Fdm */ + numRa = (cell->cellCfg.schRachCfg.msg1Fdm - 1); + for(idx=0; idxcellCfg.schRachCfg.rootSeqLen) + { + if(numRbForPrachTable[idx][1] == cell->cellCfg.schRachCfg.prachSubcSpacing) + { + if(numRbForPrachTable[idx][2] == puschScs) + { + break; + } + } + } + } + numPrachRb = numRbForPrachTable[idx][3]; + dataType |= SCH_DATATYPE_PRACH; + /* Considering first slot in the frame for PRACH */ + idx = 0; + schUlSlotInfo->assignedPrb[idx] = freqStart+numPrachRb; + } + ulSchedInfo->dataType = dataType; + /* prach info */ + ulSchedInfo->prachSchInfo.numPrachOcas = prachOcas; + ulSchedInfo->prachSchInfo.prachFormat = prachFormat; + ulSchedInfo->prachSchInfo.numRa = numRa; + ulSchedInfo->prachSchInfo.prachStartSymb = prachStartSymbol; } - - /* Fill UL SCH Info */ - ulSchInfo->cellId = cell->cellId; - ulSchInfo->slotIndInfo.sfn = sfn; - ulSchInfo->slotIndInfo.slot = slot; - ulSchInfo->dataType = dataType; - /* prach info */ - ulSchInfo->prachSchInfo.numPrachOcas = prachOcas; - ulSchInfo->prachSchInfo.prachFormat = prachFormat; - ulSchInfo->prachSchInfo.numRa = numRa; - ulSchInfo->prachSchInfo.prachStartSymb = prachStartSymbol; - - return ROK; } /** @@ -304,31 +261,41 @@ int schPrachResAlloc(SchCellCb *cell, UlSchInfo *ulSchInfo) uint8_t schUlResAlloc(SchCellCb *cell, Inst schInst) { int ret = ROK; - UlSchInfo ulSchInfo; - SchUlAlloc *ulAlloc; + UlSchedInfo ulSchedInfo; + SchUlSlotInfo *schUlSlotInfo; + SlotIndInfo ulTimingInfo; + + /* add PHY delta */ + ADD_DELTA_TO_TIME(cell->slotInfo,ulTimingInfo,PHY_DELTA+SCHED_DELTA); + + ulSchedInfo.cellId = cell->cellId; + ulSchedInfo.slotIndInfo.sfn = ulTimingInfo.sfn; + ulSchedInfo.slotIndInfo.slot = ulTimingInfo.slot; /* Schedule resources for PRACH */ - schPrachResAlloc(cell, &ulSchInfo); + schPrachResAlloc(cell, &ulSchedInfo, ulTimingInfo); - ulAlloc = cell->ulAlloc[cell->slotInfo.slot]; + schUlSlotInfo = cell->schUlSlotInfo[ulTimingInfo.slot]; - if(ulAlloc->schPuschInfo) + if(schUlSlotInfo->schPuschInfo) { - ulSchInfo.crnti = cell->raCb[0].tcrnti; - ulSchInfo.dataType |= SCH_DATATYPE_PUSCH; - memcpy(&ulSchInfo.schPuschInfo, ulAlloc->schPuschInfo, + ulSchedInfo.crnti = cell->raCb[0].tcrnti; + ulSchedInfo.dataType |= SCH_DATATYPE_PUSCH; + memcpy(&ulSchedInfo.schPuschInfo, schUlSlotInfo->schPuschInfo, sizeof(SchPuschInfo)); - SCH_FREE(ulAlloc->schPuschInfo, sizeof(SchPuschInfo)); - ulAlloc->schPuschInfo = NULL; + SCH_FREE(schUlSlotInfo->schPuschInfo, sizeof(SchPuschInfo)); + schUlSlotInfo->schPuschInfo = NULL; } //send msg to MAC - ret = sendUlSchInfoToMac(&ulSchInfo, schInst); + ret = sendUlSchInfoToMac(&ulSchedInfo, schInst); if(ret != ROK) { DU_LOG("\nSending UL Sch info from SCH to MAC failed"); } + memset(cell->schUlSlotInfo[ulTimingInfo.slot], 0, sizeof(SchUlSlotInfo)); + return ret; } @@ -357,14 +324,18 @@ uint8_t schDlRsrcAllocMsg4(Msg4Alloc *msg4Alloc, SchCellCb *cell, uint16_t slot) uint8_t offset = 0; uint8_t offsetPointA; 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; PdcchCfg *pdcch = &msg4Alloc->msg4PdcchCfg; PdschCfg *pdsch = &msg4Alloc->msg4PdschCfg; + BwpCfg *bwp = &msg4Alloc->bwp; initialBwp = &cell->cellCfg.schInitialDlBwp; offsetPointA = cell->cellCfg.ssbSchCfg.ssbOffsetPointA; - coreset0Idx = initialBwp->pdcchCommon.raSearchSpace.coresetId; + coreset0Idx = initialBwp->pdcchCommon.commonSearchSpace.coresetId; /* derive the sib1 coreset0 params from table 13-1 spec 38.213 */ numRbs = coresetIdxTable[coreset0Idx][1]; @@ -375,20 +346,22 @@ uint8_t schDlRsrcAllocMsg4(Msg4Alloc *msg4Alloc, SchCellCb *cell, uint16_t slot) uint16_t mask = 0x2000; for(firstSymbol=0; firstSymbol<14;firstSymbol++) { - if(initialBwp->pdcchCommon.raSearchSpace.monitoringSymbol & mask) + if(initialBwp->pdcchCommon.commonSearchSpace.monitoringSymbol & mask) break; else mask = mask>>1; } /* calculate the PRBs */ - calculatePRB( ((offsetPointA-offset)/6), (numRbs/6), FreqDomainResource); + schAllocFreqDomRscType0(((offsetPointA-offset)/6), (numRbs/6), FreqDomainResource); + + /* fill BWP */ + bwp->freqAlloc.numPrb = initialBwp->bwp.freqAlloc.numPrb; + bwp->freqAlloc.startPrb = initialBwp->bwp.freqAlloc.startPrb; + bwp->subcarrierSpacing = initialBwp->bwp.scs; + bwp->cyclicPrefix = initialBwp->bwp.cyclicPrefix; /* 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); @@ -400,7 +373,7 @@ uint8_t schDlRsrcAllocMsg4(Msg4Alloc *msg4Alloc, SchCellCb *cell, uint16_t slot) pdcch->coreset0Cfg.shiftIndex = cell->cellCfg.phyCellId; pdcch->coreset0Cfg.precoderGranularity = 0; /* sameAsRegBundle */ pdcch->numDlDci = 1; - pdcch->dci.rnti = cell->dlAlloc[slot]->msg4Info->crnti; + pdcch->dci.rnti = cell->schDlSlotInfo[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 */ @@ -416,21 +389,20 @@ uint8_t schDlRsrcAllocMsg4(Msg4Alloc *msg4Alloc, SchCellCb *cell, uint16_t slot) /* 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->rnti = cell->schDlSlotInfo[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].mcsIndex = mcs; /* 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; + tbSize = schCalcTbSize(2664/8); /* send this value to the func in bytes when considering msg4 size */ + pdsch->codeword[cwCount].tbSize = tbSize; } pdsch->dataScramblingId = cell->cellCfg.phyCellId; pdsch->numLayers = 1; @@ -442,18 +414,13 @@ uint8_t schDlRsrcAllocMsg4(Msg4Alloc *msg4Alloc, SchCellCb *cell, uint16_t slot) pdsch->dmrs.scid = 0; pdsch->dmrs.numDmrsCdmGrpsNoData = 1; pdsch->dmrs.dmrsPorts = 0; - pdsch->freqAlloc.resourceAlloc = 1; /* RAT type-1 RIV format */ + pdsch->pdschFreqAlloc.resourceAllocType = 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->pdschFreqAlloc.freqAlloc.startPrb = offset + SCH_SSB_NUM_PRB; + pdsch->pdschFreqAlloc.freqAlloc.numPrb = schCalcNumPrb(tbSize,mcs,numPdschSymbols); + pdsch->pdschFreqAlloc.vrbPrbMapping = 0; /* non-interleaved */ + pdsch->pdschTimeAlloc.timeAlloc.startSymb = 2; /* spec-38.214, Table 5.1.2.1-1 */ + pdsch->pdschTimeAlloc.timeAlloc.numSymb = 12; pdsch->beamPdschInfo.numPrgs = 1; pdsch->beamPdschInfo.prgSize = 1; pdsch->beamPdschInfo.digBfInterfaces = 0;