X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?a=blobdiff_plain;f=src%2F5gnrsch%2Fsch.c;h=293add2bbd08d2165858d9bbf6969e3dd82fcc5c;hb=95d4c229dc30cec27c98ee66b5b689779a48dcc9;hp=89c347365992bc9e79c2b83e4f0e73a34ac32057;hpb=ff564d395659e1a7175787af8237d17c665c9660;p=o-du%2Fl2.git diff --git a/src/5gnrsch/sch.c b/src/5gnrsch/sch.c index 89c347365..293add2bb 100644 --- a/src/5gnrsch/sch.c +++ b/src/5gnrsch/sch.c @@ -47,18 +47,8 @@ #include "mac_sch_interface.h" #include "sch.h" #include "sch_utils.h" - -SchCb schCb[SCH_MAX_INST]; -void SchFillCfmPst(Pst *reqPst,Pst *cfmPst,RgMngmt *cfm); - -/* local defines */ -SchCellCfgCfmFunc SchCellCfgCfmOpts[] = -{ - packSchCellCfgCfm, /* LC */ - MacProcSchCellCfgCfm, /* TC */ - packSchCellCfgCfm /* LWLC */ -}; - +#include "sch_fcfs.h" +#include "sch_slice_based.h" /** * @brief Task Initiation function. @@ -101,6 +91,25 @@ uint8_t schActvInit(Ent entity, Inst instId, Region region, Reason reason) return ROK; } /* schActvInit */ +/** + * @brief Scheduler All Apis initialized. + * + * @details + * + * Function : schAllApisInit + * + * This function initializes all Scheduler APIs/functionality for each kind + * of scheduler type. + * + * @param[in] Inst inst, the Scheduler instance + * @return void + **/ +void schAllApisInit(Inst inst) +{ + schFcfsAllApisInit(&schCb[inst].allApis[SCH_FCFS]); + schSliceBasedAllApisInit(&schCb[inst].allApis[SCH_SLICE_BASED]); +} + /** * @brief Scheduler instance Configuration Handler. * @@ -130,9 +139,7 @@ uint8_t SchInstCfg(RgCfg *cfg, Inst dInst) return LCM_REASON_INVALID_MSGTYPE; } /* Update the Pst structure for LM interface */ - memcpy(&schCb[inst].schInit.lmPst, - &cfg->s.schInstCfg.genCfg.lmPst, - sizeof(Pst)); + memcpy(&schCb[inst].schInit.lmPst, &cfg->s.schInstCfg.genCfg.lmPst, sizeof(Pst)); schCb[inst].schInit.inst = inst; schCb[inst].schInit.lmPst.srcProcId = schCb[inst].schInit.procId; @@ -158,8 +165,7 @@ uint8_t SchInstCfg(RgCfg *cfg, Inst dInst) /* SS_MT_TMR needs to be enabled as schActvTmr needs instance information */ /* Timer Registration request to system services */ - if (ODU_REG_TMR_MT(schCb[inst].schInit.ent, dInst, - (int)schCb[inst].genCfg.tmrRes, schActvTmr) != ROK) + if (ODU_REG_TMR_MT(schCb[inst].schInit.ent, dInst, (int)schCb[inst].genCfg.tmrRes, schActvTmr) != ROK) { DU_LOG("\nERROR --> SCH : SchInstCfg(): Failed to " "register timer."); @@ -168,8 +174,9 @@ uint8_t SchInstCfg(RgCfg *cfg, Inst dInst) /* Set Config done in TskInit */ schCb[inst].schInit.cfgDone = TRUE; - DU_LOG("\nINFO --> SCH : Scheduler gen config done"); - + DU_LOG("\nINFO --> SCH : Scheduler gen config done"); + + schAllApisInit(inst); return ret; } @@ -205,7 +212,7 @@ uint8_t SchProcGenCfgReq(Pst *pst, RgMngmt *cfg) "pst->dstInst=%d SCH_INST_START=%d", pst->dstInst,SCH_INST_START); return ROK; } - DU_LOG("\nINFO --> SCH : Received scheduler gen config"); + DU_LOG("\nINFO --> SCH : Received scheduler gen config"); /* Fill the post structure for sending the confirmation */ memset(&cfmPst, 0 , sizeof(Pst)); SchFillCfmPst(pst, &cfmPst, cfg); @@ -239,94 +246,11 @@ uint8_t SchProcGenCfgReq(Pst *pst, RgMngmt *cfg) cfm.cfm.reason = reason; SchSendCfgCfm(&cfmPst, &cfm); - /* SPutSBuf(pst->region, pst->pool, (Data *)cfg, sizeof(RgMngmt)); */ + /* SCH_FREE(pst->region, pst->pool, (Data *)cfg, sizeof(RgMngmt)); */ return ROK; }/*-- SchProcGenCfgReq --*/ -/** - * @brief slot indication from MAC to SCH. - * - * @details - * - * Function : MacSchSlotInd - * - * This API is invoked by PHY to indicate slot indication to Scheduler for - * a cell. - * - * @param[in] Pst *pst - * @param[in] SlotIndInfo *slotInd - * @return S16 - * -# ROK - * -# RFAILED - **/ -uint8_t MacSchSlotInd(Pst *pst, SlotIndInfo *slotInd) -{ - Inst inst = pst->dstInst-SCH_INST_START; - - schProcessSlotInd(slotInd, inst); - - return ROK; -} /* MacSchSlotInd */ - -/******************************************************************* - * - * @brief Processes Rach indication from MAC - * - * @details - * - * Function : MacSchRachInd - * - * Functionality: - * Processes Rach indication from MAC - * - * @params[in] - * @return ROK - success - * RFAILED - failure - * - * ****************************************************************/ -uint8_t MacSchRachInd(Pst *pst, RachIndInfo *rachInd) -{ - Inst inst = pst->dstInst-SCH_INST_START; - DU_LOG("\nINFO --> SCH : Received Rach indication"); - schProcessRachInd(rachInd, inst); - return ROK; -} - -/******************************************************************* - * - * @brief Processes CRC indication from MAC - * - * @details - * - * Function : MacSchCrcInd - * - * Functionality: - * Processes CRC indication from MAC - * - * @params[in] Post structure - * Crc Indication - * @return ROK - success - * RFAILED - failure - * - * ****************************************************************/ -uint8_t MacSchCrcInd(Pst *pst, CrcIndInfo *crcInd) -{ - switch(crcInd->crcInd[0]) - { - case CRC_FAILED: - DU_LOG("\nDEBUG --> SCH : Received CRC indication. CRC Status [FAILURE]"); - break; - case CRC_PASSED: - DU_LOG("\nDEBUG --> SCH : Received CRC indication. CRC Status [PASS]"); - break; - default: - DU_LOG("\nDEBUG --> SCH : Invalid CRC state %d", crcInd->crcInd[0]); - return RFAILED; - } - return ROK; -} - #ifdef NR_TDD /** *@brief Returns TDD periodicity in micro seconds @@ -395,6 +319,48 @@ uint16_t schGetPeriodicityInMsec(DlUlTxPeriodicity tddPeriod) return periodicityInMsec; } +/** + *@brief Fills the slotCfg from CellCfg + * + * @details + * + * Function : schFillSlotConfig + * + * This API Fills the slotCfg from CellCfg + * + * @param[in] SchCellCb *cell, TDDCfg tddCfg + * @return void + * **/ +void schFillSlotConfig(SchCellCb *cell, TDDCfg tddCfg) +{ + uint8_t slotIdx = 0, symbolIdx = 0; + + for(slotIdx =0 ;slotIdx < MAX_TDD_PERIODICITY_SLOTS; slotIdx++) + { + for(symbolIdx = 0; symbolIdx < MAX_SYMB_PER_SLOT; symbolIdx++) + { + /*Fill Full-DL Slots as well as DL symbols ini 1st Flexi Slo*/ + if(slotIdx < tddCfg.nrOfDlSlots || \ + (slotIdx == tddCfg.nrOfDlSlots && symbolIdx < tddCfg.nrOfDlSymbols)) + { + cell->slotCfg[slotIdx][symbolIdx] = DL_SYMBOL; + } + + /*Fill Full-FLEXI SLOT and as well as Flexi Symbols in 1 slot preceding FULL-UL slot*/ + else if(slotIdx < (MAX_TDD_PERIODICITY_SLOTS - tddCfg.nrOfUlSlots -1) || \ + (slotIdx == (MAX_TDD_PERIODICITY_SLOTS - tddCfg.nrOfUlSlots -1) && \ + symbolIdx < (MAX_SYMB_PER_SLOT - tddCfg.nrOfUlSymbols))) + { + cell->slotCfg[slotIdx][symbolIdx] = FLEXI_SYMBOL; + } + /*Fill Partial UL symbols and Full-UL slot*/ + else + { + cell->slotCfg[slotIdx][symbolIdx] = UL_SYMBOL; + } + } + } +} /** * @brief init TDD slot config @@ -412,44 +378,31 @@ 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->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 */ + cell->numSlotsInPeriodicity = (periodicityInMicroSec * pow(2, cell->numerology))/1000; + cell->slotFrmtBitMap = 0; + schFillSlotConfig(cell, schCellCfg->tddCfg); for(slotIdx = cell->numSlotsInPeriodicity-1; slotIdx >= 0; slotIdx--) { symbIdx = 0; /* If the first and last symbol are the same, the entire slot is the same type */ - if((schCellCfg->tddCfg.slotCfg[slotIdx][symbIdx] == schCellCfg->tddCfg.slotCfg[slotIdx][MAX_SYMB_PER_SLOT-1]) && - schCellCfg->tddCfg.slotCfg[slotIdx][symbIdx] != FLEXI_SLOT) + if((cell->slotCfg[slotIdx][symbIdx] == cell->slotCfg[slotIdx][MAX_SYMB_PER_SLOT-1]) && + cell->slotCfg[slotIdx][symbIdx] != FLEXI_SYMBOL) { - switch(schCellCfg->tddCfg.slotCfg[slotIdx][symbIdx]) + switch(cell->slotCfg[slotIdx][symbIdx]) { 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: @@ -458,56 +411,8 @@ 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<= 0; symbIdx--) - { - switch(schCellCfg->tddCfg.slotCfg[slotIdx][symbIdx]) - { - 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 & ~(bitMask)) | ((0<symbFrmtBitMap = (cell->symbFrmtBitMap & ~(bitMask)) | ((1<symbFrmtBitMap = (cell->symbFrmtBitMap & ~(bitMask)) | ((1<symbFrmtBitMap = (cell->symbFrmtBitMap & ~(bitMask)) | ((0< SCH : Invalid slot Config in schInitTddSlotCfg"); - } - } + cell->slotFrmtBitMap = ((cell->slotFrmtBitMap<<2) | (FLEXI_SLOT)); } - } #endif @@ -529,7 +434,7 @@ void fillSsbStartSymb(SchCellCb *cellCb) { uint8_t cnt, scs, symbIdx, ssbStartSymbArr[SCH_MAX_SSB_BEAM]; - scs = cellCb->cellCfg.ssbSchCfg.scsCommon; + scs = cellCb->cellCfg.ssbScs; memset(ssbStartSymbArr, 0, sizeof(SCH_MAX_SSB_BEAM)); symbIdx = 0; @@ -537,41 +442,40 @@ void fillSsbStartSymb(SchCellCb *cellCb) switch(scs) { case SCS_15KHZ: - { - if(cellCb->cellCfg.dlFreq <= 300000) - cnt = 2;/* n = 0, 1 */ + { + if(cellCb->cellCfg.ssbFrequency <= 300000) + cnt = 2;/* n = 0, 1 */ else cnt = 4; /* n = 0, 1, 2, 3 */ - for(uint8_t idx=0; idxcellCfg.dlFreq <= 300000) - cnt = 1;/* n = 0 */ + { + if(cellCb->cellCfg.ssbFrequency <= 300000) + cnt = 1;/* n = 0 */ else cnt = 2; /* n = 0, 1 */ - for(uint8_t idx=0; idx SCH : SCS %d is currently not supported", scs); + DU_LOG("\nERROR --> SCH : SCS %d is currently not supported", scs); } memset(cellCb->ssbStartSymbArr, 0, sizeof(SCH_MAX_SSB_BEAM)); memcpy(cellCb->ssbStartSymbArr, ssbStartSymbArr, SCH_MAX_SSB_BEAM); - } @@ -592,6 +496,7 @@ void fillSsbStartSymb(SchCellCb *cellCb) **/ uint8_t schInitCellCb(Inst inst, SchCellCfg *schCellCfg) { + uint16_t scsInKhz = 0; SchCellCb *cell= NULLP; SCH_ALLOC(cell, sizeof(SchCellCb)); if(!cell) @@ -602,7 +507,11 @@ uint8_t schInitCellCb(Inst inst, SchCellCfg *schCellCfg) cell->cellId = schCellCfg->cellId; cell->instIdx = inst; - switch(schCellCfg->numerology) + scsInKhz = convertScsEnumValToScsVal(schCellCfg->ssbScs); + + /*Ref : 3GPP 38.211 Table 4.2-1: SCS = (2 ^ numerology * 15kHz)*/ + cell->numerology = log2(scsInKhz/BASE_SCS); + switch(cell->numerology) { case SCH_NUMEROLOGY_0: { @@ -630,7 +539,7 @@ uint8_t schInitCellCb(Inst inst, SchCellCfg *schCellCfg) } break; default: - DU_LOG("\nERROR --> SCH : Numerology %d not supported", schCellCfg->numerology); + DU_LOG("\nERROR --> SCH : Numerology %d not supported", cell->numerology); } #ifdef NR_TDD schInitTddSlotCfg(cell, schCellCfg); @@ -659,8 +568,8 @@ uint8_t schInitCellCb(Inst inst, SchCellCfg *schCellCfg) SCH_ALLOC(schDlSlotInfo, sizeof(SchDlSlotInfo)); if(!schDlSlotInfo) { - DU_LOG("\nERROR --> SCH : Memory allocation failed in schInitCellCb"); - return RFAILED; + DU_LOG("\nERROR --> SCH : Memory allocation failed in schInitCellCb"); + return RFAILED; } /* UL Alloc */ @@ -681,6 +590,10 @@ uint8_t schInitCellCb(Inst inst, SchCellCfg *schCellCfg) cell->firstSsbTransmitted = false; cell->firstSib1Transmitted = false; fillSsbStartSymb(cell); + +#ifdef NR_DRX + memset(cell->drxCb, 0, MAX_DRX_SIZE*sizeof(SchDrxCb)); +#endif schCb[inst].cells[inst] = cell; DU_LOG("\nINFO --> SCH : Cell init completed for cellId:%d", cell->cellId); @@ -704,7 +617,8 @@ uint8_t schInitCellCb(Inst inst, SchCellCfg *schCellCfg) * uint8_t offsetPointA : offset * @return void **/ -void fillSchSib1Cfg(uint8_t mu, uint8_t bandwidth, uint8_t numSlots, SchSib1Cfg *sib1SchCfg, uint16_t pci, uint8_t offsetPointA) +uint8_t fillSchSib1Cfg(uint8_t mu, uint8_t bandwidth, uint8_t numSlots,SchPdcchConfigSib1 *pdcchCfgSib1,\ + SchSib1Cfg *sib1SchCfg, uint16_t pci, uint8_t offsetPointA, uint16_t sib1PduLen) { uint8_t coreset0Idx = 0; uint8_t searchSpace0Idx = 0; @@ -717,17 +631,18 @@ void fillSchSib1Cfg(uint8_t mu, uint8_t bandwidth, uint8_t numSlots, SchSib1Cfg uint8_t mValue = 0; uint8_t firstSymbol = 0; /* need to calculate using formula mentioned in 38.213 */ uint8_t slotIndex = 0; - uint8_t FreqDomainResource[6] = {0}; + uint8_t FreqDomainResource[FREQ_DOM_RSRC_SIZE] = {0}; uint16_t tbSize = 0; - uint8_t numPdschSymbols = 11; /* considering pdsch region from symbols 3 to 13 */ uint8_t ssbIdx = 0; + PdcchCfg *pdcch; + PdschCfg *pdsch; + BwpCfg *bwp; - PdcchCfg *pdcch = &(sib1SchCfg->sib1PdcchCfg); - PdschCfg *pdsch = &(sib1SchCfg->sib1PdschCfg); - BwpCfg *bwp = &(sib1SchCfg->bwp); + pdcch = &(sib1SchCfg->sib1PdcchCfg); + bwp = &(sib1SchCfg->bwp); - coreset0Idx = sib1SchCfg->coresetZeroIndex; - searchSpace0Idx = sib1SchCfg->searchSpaceZeroIndex; + coreset0Idx = pdcchCfgSib1->coresetZeroIndex; + searchSpace0Idx = pdcchCfgSib1->searchSpaceZeroIndex; /* derive the sib1 coreset0 params from table 13-1 spec 38.213 */ //ssbMuxPattern = coresetIdxTable[coreset0Idx][0]; @@ -749,9 +664,6 @@ void fillSchSib1Cfg(uint8_t mu, uint8_t bandwidth, uint8_t numSlots, SchSib1Cfg slotIndex = (int)((oValue*pow(2, mu)) + floor(ssbIdx*mValue))%numSlots; sib1SchCfg->n0 = slotIndex; - /* calculate the PRBs */ - freqDomRscAllocType0(((offsetPointA-offset)/6), (numRbs/6), FreqDomainResource); - /* fill BWP */ switch(bandwidth) { @@ -777,7 +689,11 @@ void fillSchSib1Cfg(uint8_t mu, uint8_t bandwidth, uint8_t numSlots, SchSib1Cfg pdcch->coresetCfg.coreSetSize = numRbs; pdcch->coresetCfg.startSymbolIndex = firstSymbol; pdcch->coresetCfg.durationSymbols = numSymbols; - memcpy(pdcch->coresetCfg.freqDomainResource,FreqDomainResource,6); + + /* Fill Bitmap for PRBs in coreset */ + fillCoresetFeqDomAllocMap(((offsetPointA-offset)/6), (numRbs/6), FreqDomainResource); + covertFreqDomRsrcMapToIAPIFormat(FreqDomainResource, pdcch->coresetCfg.freqDomainResource); + 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 */ @@ -795,11 +711,11 @@ void fillSchSib1Cfg(uint8_t mu, uint8_t bandwidth, uint8_t numSlots, SchSib1Cfg 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.beta_pdcch_1_0= 0; pdcch->dci.txPdcchPower.powerControlOffsetSS = 0; /* Storing pdschCfg pointer here. Required to access pdsch config while fillig up pdcch pdu */ - pdcch->dci.pdschCfg = pdsch; + pdsch = &pdcch->dci.pdschCfg; /* fill the PDSCH PDU */ uint8_t cwCount = 0; @@ -811,35 +727,35 @@ void fillSchSib1Cfg(uint8_t mu, uint8_t bandwidth, uint8_t numSlots, SchSib1Cfg { pdsch->codeword[cwCount].targetCodeRate = 308; pdsch->codeword[cwCount].qamModOrder = 2; - pdsch->codeword[cwCount].mcsIndex = sib1SchCfg->sib1Mcs; + pdsch->codeword[cwCount].mcsIndex = DEFAULT_MCS; pdsch->codeword[cwCount].mcsTable = 0; /* notqam256 */ pdsch->codeword[cwCount].rvIndex = 0; - tbSize = schCalcTbSize(sib1SchCfg->sib1PduLen + TX_PAYLOAD_HDR_LEN); + tbSize = schCalcTbSize(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 = 4; /* Bitmap value 00000000000100 i.e. using 3rd symbol for PDSCH DMRS */ + pdsch->dmrs.dlDmrsSymbPos = DL_DMRS_SYMBOL_POS; pdsch->dmrs.dmrsConfigType = 0; /* type-1 */ pdsch->dmrs.dlDmrsScramblingId = pci; pdsch->dmrs.scid = 0; pdsch->dmrs.numDmrsCdmGrpsNoData = 1; - pdsch->dmrs.dmrsPorts = 0; + pdsch->dmrs.dmrsPorts = 0x0001; 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 = 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); + /* the RB numbering starts from coreset0, and PDSCH is always above SSB */ + pdsch->pdschFreqAlloc.startPrb = offsetPointA + SCH_SSB_NUM_PRB; + pdsch->pdschFreqAlloc.numPrb = schCalcNumPrb(tbSize, DEFAULT_MCS, NUM_PDSCH_SYMBOL); pdsch->pdschFreqAlloc.vrbPrbMapping = 0; /* non-interleaved */ pdsch->pdschTimeAlloc.rowIndex = 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->pdschTimeAlloc.startSymb = 3; /* spec-38.214, Table 5.1.2.1-1 */ + pdsch->pdschTimeAlloc.numSymb = NUM_PDSCH_SYMBOL; pdsch->beamPdschInfo.numPrgs = 1; pdsch->beamPdschInfo.prgSize = 1; pdsch->beamPdschInfo.digBfInterfaces = 0; @@ -848,6 +764,7 @@ void fillSchSib1Cfg(uint8_t mu, uint8_t bandwidth, uint8_t numSlots, SchSib1Cfg pdsch->txPdschPower.powerControlOffset = 0; pdsch->txPdschPower.powerControlOffsetSS = 0; + return ROK; } /** @@ -865,28 +782,76 @@ void fillSchSib1Cfg(uint8_t mu, uint8_t bandwidth, uint8_t numSlots, SchSib1Cfg * -# ROK * -# RFAILED **/ -uint8_t SchHdlCellCfgReq(Pst *pst, SchCellCfg *schCellCfg) +uint8_t SchProcCellCfgReq(Pst *pst, SchCellCfg *schCellCfg) { uint8_t ret = ROK; SchCellCb *cellCb; SchCellCfgCfm schCellCfgCfm; Pst rspPst; - Inst inst = pst->dstInst-1; + Inst inst = pst->dstInst - SCH_INST_START; + uint8_t coreset0Idx = 0; + uint8_t numRbs = 0; + uint8_t offset = 0; + uint8_t freqDomainResource[FREQ_DOM_RSRC_SIZE] = {0}; + SchPdschConfig pdschCfg; schInitCellCb(inst, schCellCfg); cellCb = schCb[inst].cells[inst]; //cells is of MAX_CELLS, why inst cellCb->macInst = pst->srcInst; /* derive the SIB1 config parameters */ - fillSchSib1Cfg(schCellCfg->numerology, schCellCfg->bandwidth, cellCb->numSlots, - &(schCellCfg->sib1SchCfg), schCellCfg->phyCellId, - schCellCfg->ssbSchCfg.ssbOffsetPointA); + ret = fillSchSib1Cfg(cellCb->numerology, schCellCfg->dlBandwidth, cellCb->numSlots, + &(schCellCfg->pdcchCfgSib1), &(cellCb->sib1SchCfg), schCellCfg->phyCellId, + schCellCfg->dlCfgCommon.schFreqInfoDlSib.offsetToPointA, schCellCfg->sib1PduLen); + + if(ret != ROK) + { + DU_LOG("\nERROR --> SCH : Failed to fill sib1 configuration"); + return RFAILED; + } memcpy(&cellCb->cellCfg, schCellCfg, sizeof(SchCellCfg)); - + schProcPagingCfg(cellCb); + + /* Fill coreset frequencyDomainResource bitmap */ + coreset0Idx = cellCb->cellCfg.dlCfgCommon.schInitialDlBwp.pdcchCommon.commonSearchSpace.coresetId; + numRbs = coresetIdxTable[coreset0Idx][1]; + offset = coresetIdxTable[coreset0Idx][3]; + fillCoresetFeqDomAllocMap(((cellCb->cellCfg.dlCfgCommon.schFreqInfoDlSib.offsetToPointA - offset)/6), \ + (numRbs/6), freqDomainResource); + covertFreqDomRsrcMapToIAPIFormat(freqDomainResource, \ + cellCb->cellCfg.dlCfgCommon.schInitialDlBwp.pdcchCommon.commonSearchSpace.freqDomainRsrc); + + /* Fill K0 - K1 table for common cfg*/ + BuildK0K1Table(cellCb, &cellCb->k0K1InfoTbl, true, cellCb->cellCfg.dlCfgCommon.schInitialDlBwp.pdschCommon, + pdschCfg, DEFAULT_UL_ACK_LIST_COUNT, defaultUlAckTbl); + + BuildK2InfoTable(cellCb, cellCb->cellCfg.ulCfgCommon.schInitialUlBwp.puschCommon.timeDomRsrcAllocList,\ + cellCb->cellCfg.ulCfgCommon.schInitialUlBwp.puschCommon.numTimeDomRsrcAlloc, &cellCb->msg3K2InfoTbl, \ + &cellCb->k2InfoTbl); + + /*As per Spec 38.211, Sec 6.3.3.2; RootSeq Len(Lra) where Lra=839 or Lra=139, + *depending on the PRACH preamble format as given by Tables 6.3.3.1-1 and 6.3.3.1-2.*/ + if(prachCfgIdxTable[cellCb->cellCfg.ulCfgCommon.schInitialUlBwp.schRachCfg.prachCfgGeneric.prachCfgIdx][0] <= 3) + { + cellCb->cellCfg.ulCfgCommon.schInitialUlBwp.schRachCfg.rootSeqLen = ROOT_SEQ_LEN_1; + } + else + { + cellCb->cellCfg.ulCfgCommon.schInitialUlBwp.schRachCfg.rootSeqLen = ROOT_SEQ_LEN_2; + } /* Initializing global variables */ cellCb->actvUeBitMap = 0; cellCb->boIndBitMap = 0; + cellCb->schHqCfg.maxDlDataHqTx = SCH_MAX_NUM_DL_HQ_TX; + cellCb->schHqCfg.maxMsg4HqTx = SCH_MAX_NUM_MSG4_TX; + cellCb->schHqCfg.maxUlDataHqTx = SCH_MAX_NUM_UL_HQ_TX; + cellCb->maxMsg3Tx = SCH_MAX_NUM_MSG3_TX; + + cellCb->schAlgoType = SCH_FCFS; + cellCb->api = &schCb[inst].allApis[cellCb->schAlgoType]; /* For FCFS */ + cellCb->api->SchCellCfgReq(cellCb); + /* Fill and send Cell config confirm */ memset(&rspPst, 0, sizeof(Pst)); FILL_PST_SCH_TO_MAC(rspPst, pst->dstInst); @@ -895,152 +860,1680 @@ uint8_t SchHdlCellCfgReq(Pst *pst, SchCellCfg *schCellCfg) schCellCfgCfm.cellId = schCellCfg->cellId; schCellCfgCfm.rsp = RSP_OK; - ret = (*SchCellCfgCfmOpts[rspPst.selector])(&rspPst, &schCellCfgCfm); - + ret = MacMessageRouter(&rspPst, (void *)&schCellCfgCfm); return ret; } /******************************************************************* * - * @brief Processes DL RLC BO info from MAC + * @brief Fill and send Cell delete response to MAC * * @details * - * Function : MacSchDlRlcBoInfo + * Function : SchSendCellDeleteRspToMac * - * Functionality: - * Processes DL RLC BO info from MAC + * Functionality: Fill and send Cell delete response to MAC * - * @params[in] + * @params[in] SchCellDelete *ueDelete, Inst inst, SchMacRsp result * @return ROK - success * RFAILED - failure * * ****************************************************************/ -uint8_t MacSchDlRlcBoInfo(Pst *pst, DlRlcBoInfo *dlBoInfo) +uint8_t SchSendCellDeleteRspToMac(SchCellDeleteReq *ueDelete, Inst inst, SchMacRsp result) { - uint8_t lcId = 0; - uint16_t ueIdx = 0; - uint16_t slot; - SchUeCb *ueCb = NULLP; - SchCellCb *cell = NULLP; - SchDlSlotInfo *schDlSlotInfo = NULLP; + Pst rspPst; + uint8_t ret=0; + + SchCellDeleteRsp delRsp; - Inst inst = pst->dstInst-SCH_INST_START; - DU_LOG("\nDEBUG --> SCH : Received RLC BO Status indication"); - cell = schCb[inst].cells[inst]; + DU_LOG("\nINFO --> SCH : Filling Cell Delete response"); + memset(&delRsp, 0, sizeof(SchCellDeleteRsp)); + delRsp.cellId = ueDelete->cellId; + delRsp.rsp = result; - GET_UE_IDX(dlBoInfo->crnti, ueIdx); - ueCb = &cell->ueCb[ueIdx-1]; - lcId = dlBoInfo->lcId; + /* Filling response post */ + memset(&rspPst, 0, sizeof(Pst)); + FILL_PST_SCH_TO_MAC(rspPst, inst); + rspPst.event = EVENT_CELL_DELETE_RSP_TO_MAC; + ret = MacMessageRouter(&rspPst, (void *)&delRsp); + if(ret == RFAILED) + { + DU_LOG("\nERROR --> SCH : SchSendCellDeleteRspToMac(): failed to send the Cell Delete response"); + return ret; + } + return ret; +} + +/******************************************************************* + * + * @brief Function for cellCb Deletion + * + * @details + * + * Function : deleteSchCellCb + * + * Functionality: Function for cellCb Deletion + * + * @params[in] SchCellDelete *cellDelete + * @return ROK - success + * RFAILED - failure + * + * ****************************************************************/ +void deleteSchCellCb(SchCellCb *cellCb) +{ + uint8_t sliceIdx=0, slotIdx=0, plmnIdx = 0; + CmLListCp *list=NULL; + CmLList *node=NULL, *next=NULL; + SchPageInfo *tempNode = NULLP; - if(lcId == SRB1_LCID || lcId == SRB2_LCID || lcId == SRB3_LCID || \ - (lcId >= MIN_DRB_LCID && lcId <= MAX_DRB_LCID)) + if(cellCb->schDlSlotInfo) { - SET_ONE_BIT(ueIdx, cell->boIndBitMap); - ueCb->dlInfo.dlLcCtxt[lcId].bo = dlBoInfo->dataVolume; + for(slotIdx=0; slotIdxnumSlots; slotIdx++) + { + list = &cellCb->schDlSlotInfo[slotIdx]->prbAlloc.freePrbBlockList; + node = list->first; + while(node) + { + next = node->next; + SCH_FREE(node->node, sizeof(FreePrbBlock)); + deleteNodeFromLList(list, node); + node = next; + } + SCH_FREE(cellCb->schDlSlotInfo[slotIdx], sizeof(SchDlSlotInfo)); + } + SCH_FREE(cellCb->schDlSlotInfo, cellCb->numSlots *sizeof(SchDlSlotInfo*)); } - else if(lcId != SRB0_LCID) + + if(cellCb->schUlSlotInfo) { - DU_LOG("\nERROR --> SCH : Invalid LC Id %d in MacSchDlRlcBoInfo", lcId); - return RFAILED; + for(slotIdx=0; slotIdxnumSlots; slotIdx++) + { + list = &cellCb->schUlSlotInfo[slotIdx]->prbAlloc.freePrbBlockList; + node = list->first; + while(node) + { + next = node->next; + SCH_FREE(node->node, sizeof(FreePrbBlock)); + deleteNodeFromLList(list, node); + node = next; + } + SCH_FREE(cellCb->schUlSlotInfo[slotIdx], sizeof(SchUlSlotInfo)); + } + SCH_FREE(cellCb->schUlSlotInfo, cellCb->numSlots * sizeof(SchUlSlotInfo*)); } - slot = (cell->slotInfo.slot + SCHED_DELTA + PHY_DELTA_DL + BO_DELTA) % cell->numSlots; - schDlSlotInfo = cell->schDlSlotInfo[slot]; + for(plmnIdx = 0; plmnIdx < MAX_PLMN; plmnIdx++) + { + if(cellCb->cellCfg.plmnInfoList[plmnIdx].snssai) + { + for(sliceIdx=0; sliceIdxcellCfg.plmnInfoList[plmnIdx].numSliceSupport; sliceIdx++) + { + SCH_FREE(cellCb->cellCfg.plmnInfoList[plmnIdx].snssai[sliceIdx], sizeof(Snssai)); + } + SCH_FREE(cellCb->cellCfg.plmnInfoList[plmnIdx].snssai, cellCb->cellCfg.plmnInfoList[plmnIdx].numSliceSupport*sizeof(Snssai*)); + } + } - SCH_ALLOC(schDlSlotInfo->dlMsgInfo, sizeof(DlMsgInfo)); - if(!schDlSlotInfo->dlMsgInfo) + for(uint16_t idx =0; idx SCH : Memory allocation failed for dlMsgInfo"); - schDlSlotInfo = NULL; - return RFAILED; + list = &cellCb->pageCb.pageIndInfoRecord[idx]; + node = list->first; + while(node) + { + next = node->next; + if(node->node) + { + tempNode = (SchPageInfo*)(node->node); + SCH_FREE(tempNode->pagePdu, tempNode->msgLen); + SCH_FREE(node->node, sizeof(SchPageInfo)); + } + deleteNodeFromLList(list, node); + node = next; + } } - schDlSlotInfo->dlMsgInfo->crnti = dlBoInfo->crnti; - schDlSlotInfo->dlMsgInfo->ndi = 1; - schDlSlotInfo->dlMsgInfo->harqProcNum = 0; - schDlSlotInfo->dlMsgInfo->dlAssignIdx = 0; - schDlSlotInfo->dlMsgInfo->pucchTpc = 0; - schDlSlotInfo->dlMsgInfo->pucchResInd = 0; - schDlSlotInfo->dlMsgInfo->harqFeedbackInd = 0; - schDlSlotInfo->dlMsgInfo->dciFormatId = 1; - if(lcId == SRB0_LCID) - schDlSlotInfo->dlMsgInfo->isMsg4Pdu = true; - return ROK; + cellCb->api->SchCellDeleteReq(cellCb); + + memset(cellCb, 0, sizeof(SchCellCb)); } /******************************************************************* * - * @brief Processes BSR indiation from MAC + * @brief Function for cell Delete request from MAC to SCH * * @details * - * Function : MacSchBsr + * Function : SchProcCellDeleteReq * - * Functionality: - * Processes DL BSR from MAC + * Functionality: Function for cell Delete request from MAC to SCH * - * @params[in] Pst pst - * UlBufferStatusRptInd bsrInd + * @params[in] Pst *pst, SchCellDelete *cellDelete * @return ROK - success * RFAILED - failure * * ****************************************************************/ -uint8_t MacSchBsr(Pst *pst, UlBufferStatusRptInd *bsrInd) +uint8_t SchProcCellDeleteReq(Pst *pst, SchCellDeleteReq *cellDelete) { - Inst schInst = pst->dstInst-SCH_INST_START; - SchCellCb *cellCb = NULLP; - SchUeCb *ueCb = NULLP; - uint8_t lcgIdx; - - DU_LOG("\nDEBUG --> SCH : Received BSR"); - cellCb = schCb[schInst].cells[schInst]; - ueCb = schGetUeCb(cellCb, bsrInd->crnti); - - /* store dataVolume per lcg in uecb */ - for(lcgIdx = 0; lcgIdx < bsrInd->numLcg; lcgIdx++) + uint8_t cellIdx=0, ret = RFAILED; + Inst inst = pst->dstInst - SCH_INST_START; + SchMacRsp result= RSP_OK; + + if(!cellDelete) { - ueCb->bsrInfo[lcgIdx].priority = 1; //TODO: determining LCG priority? - ueCb->bsrInfo[lcgIdx].dataVol = bsrInd->dataVolInfo[lcgIdx].dataVol; + DU_LOG("\nERROR --> SCH : SchProcCellDeleteReq(): Ue Delete request failed"); } - return ROK; + else + { + GET_CELL_IDX(cellDelete->cellId, cellIdx); + if(schCb[inst].cells[cellIdx] == NULLP) + { + DU_LOG("\nERROR --> SCH : SchProcCellDeleteReq(): cell Id[%d] is not available", cellDelete->cellId); + result = RSP_NOK; + } + else + { + if(schCb[inst].cells[cellIdx]->cellId == cellDelete->cellId) + { + deleteSchCellCb(schCb[inst].cells[cellIdx]); + result = RSP_OK; + ret = ROK; + SCH_FREE(schCb[inst].cells[cellIdx], sizeof(SchCellCb)); + DU_LOG("\nINFO --> SCH : Sending Cell Delete response to MAC"); + } + else + { + DU_LOG("\nERROR --> SCH : SchProcCellDeleteReq(): cell Id[%d] is not available",cellDelete->cellId); + result = RSP_NOK; + } + } + + if(SchSendCellDeleteRspToMac(cellDelete, inst, result)!=ROK) + { + DU_LOG("\nERROR --> SCH : SchProcCellDeleteReq(): failed to send Cell Delete response"); + ret = RFAILED; + } + } + return ret; } /******************************************************************* * - * @brief Processes SR UCI indication from MAC + * @brief Processes DL RLC BO info from MAC * * @details * - * Function : MacSchSrUciInd + * Function : SchProcDlRlcBoInfo * * Functionality: - * Processes SR UCI indication from MAC + * Processes DL RLC BO info from MAC * - * @params[in] Post structure - * UCI Indication + * @params[in] * @return ROK - success * RFAILED - failure * * ****************************************************************/ -uint8_t MacSchSrUciInd(Pst *pst, SrUciIndInfo *uciInd) +uint8_t SchProcDlRlcBoInfo(Pst *pst, DlRlcBoInfo *dlBoInfo) { - Inst inst = pst->dstInst-SCH_INST_START; + uint8_t lcId = 0; + uint16_t ueId = 0; + bool isLcIdValid = false; + SchUeCb *ueCb = NULLP; + SchCellCb *cell = NULLP; + Inst inst = pst->dstInst-SCH_INST_START; - SchUeCb *ueCb; - SchCellCb *cellCb = schCb[inst].cells[inst]; + DU_LOG("\nDEBUG --> SCH : Received RLC BO Status indication LCId [%d] BO [%d]", dlBoInfo->lcId, dlBoInfo->dataVolume); + cell = schCb[inst].cells[inst]; - DU_LOG("\nDEBUG --> SCH : Received SR"); + if(cell == NULLP) + { + DU_LOG("\nERROR --> SCH : SchProcDlRlcBoInfo(): Cell does not exists"); + return RFAILED; + } - ueCb = schGetUeCb(cellCb, uciInd->crnti); + GET_UE_ID(dlBoInfo->crnti, ueId); + ueCb = &cell->ueCb[ueId-1]; + if(ueCb->ueCfg.dataTransmissionAction == STOP_DATA_TRANSMISSION) + { + DU_LOG("INFO --> SCH : DL Data transmission not allowed for UE %d", ueCb->ueCfg.ueId); + return ROK; + } + + lcId = dlBoInfo->lcId; + CHECK_LCID(lcId, isLcIdValid); + if(isLcIdValid == FALSE) + { + DU_LOG("ERROR --> SCH: LCID:%d is not valid", lcId); + return RFAILED; + } - if(uciInd->numSrBits) + /*Expected when theres a case of Retransmission Failure or Resetablishment + *By Zero BO, the RLC is informing that previous data can be cleared out + *Thus clearing out the LC from the Lc priority list*/ + if(dlBoInfo->dataVolume == 0) { - ueCb->srRcvd = true; + /* TODO : Check the LC is Dedicated or default and accordingly LCList + * will be used*/ + return ROK; } + + if(lcId == SRB0_LCID) + { + cell->raCb[ueId -1].msg4recvd = true; + cell->raCb[ueId -1].dlMsgPduLen = dlBoInfo->dataVolume; + } + else + { + /* TODO : These part of changes will be corrected during DL scheduling as + * per K0 - K1 -K2 */ + SET_ONE_BIT(ueId, cell->boIndBitMap); + if(ueCb->dlInfo.dlLcCtxt[lcId].lcId == lcId) + { + ueCb->dlInfo.dlLcCtxt[lcId].bo = dlBoInfo->dataVolume; + } + else + { + DU_LOG("ERROR --> SCH: LCID:%d is not configured in SCH Cb",lcId); + return RFAILED; + } + } + /* Adding UE Id to list of pending UEs to be scheduled */ + cell->api->SchDlRlcBoInfo(cell, ueId); + return ROK; +} + +/******************************************************************* + * + * @brief Processes BSR indiation from MAC + * + * @details + * + * Function : SchProcBsr + * + * Functionality: + * Processes DL BSR from MAC + * + * @params[in] Pst pst + * UlBufferStatusRptInd bsrInd + * @return ROK - success + * RFAILED - failure + * + * ****************************************************************/ +uint8_t SchProcBsr(Pst *pst, UlBufferStatusRptInd *bsrInd) +{ + Inst schInst = pst->dstInst-SCH_INST_START; + SchCellCb *cellCb = NULLP; + SchUeCb *ueCb = NULLP; + uint8_t lcgIdx = 0; + + DU_LOG("\nDEBUG --> SCH : Received BSR"); + if(bsrInd == NULLP) + { + DU_LOG("\nERROR --> SCH : BSR Ind is empty"); + return RFAILED; + } + cellCb = schCb[schInst].cells[schInst]; + if(cellCb == NULLP) + { + DU_LOG("\nERROR --> SCH : CellCb is empty"); + return RFAILED; + } + ueCb = schGetUeCb(cellCb, bsrInd->crnti); + + if(ueCb == NULLP) + { + DU_LOG("\nERROR --> SCH : UeCB is empty"); + return RFAILED; + } + + if(ueCb->ueCfg.dataTransmissionAction == STOP_DATA_TRANSMISSION) + { + DU_LOG("\nINFO --> SCH: UL Data transmission not allowed for UE %d", ueCb->ueCfg.ueId); + return ROK; + } + + ueCb->bsrRcvd = true; + /* store dataVolume per lcg in uecb */ + for(lcgIdx = 0; lcgIdx < bsrInd->numLcg; lcgIdx++) + { + ueCb->bsrInfo[bsrInd->dataVolInfo[lcgIdx].lcgId].priority = 1; //TODO: determining LCG priority? + ueCb->bsrInfo[bsrInd->dataVolInfo[lcgIdx].lcgId].dataVol = bsrInd->dataVolInfo[lcgIdx].dataVol; + } + + /* Adding UE Id to list of pending UEs to be scheduled */ + cellCb->api->SchBsr(cellCb, ueCb->ueId); + return ROK; +} + +/******************************************************************* + * + * @brief Processes SR UCI indication from MAC + * + * @details + * + * Function : SchProcSrUciInd + * + * Functionality: + * Processes SR UCI indication from MAC + * + * @params[in] Post structure + * UCI Indication + * @return ROK - success + * RFAILED - failure + * + * ****************************************************************/ +uint8_t SchProcSrUciInd(Pst *pst, SrUciIndInfo *uciInd) +{ + Inst inst = pst->dstInst-SCH_INST_START; + + SchUeCb *ueCb; + SchCellCb *cellCb = schCb[inst].cells[inst]; + + DU_LOG("\nDEBUG --> SCH : Received SR"); + + ueCb = schGetUeCb(cellCb, uciInd->crnti); + + if(ueCb->state == SCH_UE_STATE_INACTIVE) + { + DU_LOG("\nERROR --> SCH : Crnti %d is inactive", uciInd->crnti); + return ROK; + } + if(ueCb->ueCfg.dataTransmissionAction == STOP_DATA_TRANSMISSION) + { + DU_LOG("\nINFO --> SCH: UL Data transmission not allowed for UE %d", ueCb->ueCfg.ueId); + return ROK; + } + if(uciInd->numSrBits) + { + ueCb->srRcvd = true; + /* Adding UE Id to list of pending UEs to be scheduled */ + cellCb->api->SchSrUciInd(cellCb, ueCb->ueId); + } + return ROK; +} + +/******************************************************************* + * + * @brief Processes DL HARQ indication from MAC + * + * @details + * + * Function : SchProcDlHarqInd + * + * Functionality: + * Processes DL HARQ indication from MAC + * + * @params[in] Post structure + * DL HARQ Indication + * @return ROK - success + * RFAILED - failure + * + * ****************************************************************/ +uint8_t SchProcDlHarqInd(Pst *pst, DlHarqInd *dlHarqInd) +{ + Inst inst = pst->dstInst-SCH_INST_START; + SchUeCb *ueCb; + SchCellCb *cellCb = schCb[inst].cells[inst]; + + DU_LOG("\nDEBUG --> SCH : Received HARQ"); + + ueCb = schGetUeCb(cellCb, dlHarqInd->crnti); + + if(ueCb->state == SCH_UE_STATE_INACTIVE) + { + DU_LOG("\nERROR --> SCH : Crnti %d is inactive", dlHarqInd->crnti); + return ROK; + } + + schUpdateHarqFdbk(ueCb, dlHarqInd->numHarq, dlHarqInd->harqPayload, &dlHarqInd->slotInd); + + return ROK; +} + +/******************************************************************* + * + * @brief Allocates requested PRBs for DL + * + * @details + * + * Function : allocatePrbDl + * + * Functionality: + * Allocates requested PRBs in DL + * Keeps track of allocated PRB (using bitmap) and remaining PRBs + * + * @params[in] prbAlloc table + * Start symbol + * Number of symbols + * Start PRB + * Number of PRBs + * + * @return ROK - success + * RFAILED - failure + * + * ****************************************************************/ +uint8_t allocatePrbDl(SchCellCb *cell, SlotTimingInfo slotTime, \ + uint8_t startSymbol, uint8_t symbolLength, uint16_t *startPrb, uint16_t numPrb) +{ + uint8_t symbol = 0; + uint16_t broadcastPrbStart=0, broadcastPrbEnd=0; + FreePrbBlock *freePrbBlock = NULLP; + CmLList *freePrbNode = NULLP; + PduTxOccsaion ssbOccasion=0, sib1Occasion=0; + SchDlSlotInfo *schDlSlotInfo = cell->schDlSlotInfo[slotTime.slot]; + SchPrbAlloc *prbAlloc = &schDlSlotInfo->prbAlloc; + + /* If startPrb is set to MAX_NUM_RB, it means startPrb is not known currently. + * Search for an appropriate location in PRB grid and allocate requested resources */ + if(*startPrb == MAX_NUM_RB) + { + /* Check if SSB/SIB1 is also scheduled in this slot */ + ssbOccasion = schCheckSsbOcc(cell, slotTime); + sib1Occasion = schCheckSib1Occ(cell, slotTime); + + if(ssbOccasion && sib1Occasion) + { + broadcastPrbStart = cell->cellCfg.dlCfgCommon.schFreqInfoDlSib.offsetToPointA; + broadcastPrbEnd = broadcastPrbStart + SCH_SSB_NUM_PRB + cell->sib1SchCfg.sib1PdcchCfg.dci.pdschCfg.pdschFreqAlloc.numPrb -1; + } + else if(ssbOccasion) + { + broadcastPrbStart = cell->cellCfg.dlCfgCommon.schFreqInfoDlSib.offsetToPointA; + broadcastPrbEnd = broadcastPrbStart + SCH_SSB_NUM_PRB -1; + } + else if(sib1Occasion) + { + broadcastPrbStart = cell->sib1SchCfg.sib1PdcchCfg.dci.pdschCfg.pdschFreqAlloc.startPrb; + broadcastPrbEnd = broadcastPrbStart + cell->sib1SchCfg.sib1PdcchCfg.dci.pdschCfg.pdschFreqAlloc.numPrb -1; + } + + /* Iterate through all free PRB blocks */ + freePrbNode = prbAlloc->freePrbBlockList.first; + while(freePrbNode) + { + freePrbBlock = (FreePrbBlock *)freePrbNode->node; + + /* If broadcast message is scheduled in this slot, then check if its PRBs belong to the current free block. + * Since SSB/SIB1 PRB location is fixed, these PRBs cannot be allocated to other message in same slot */ + if((ssbOccasion || sib1Occasion) && + ((broadcastPrbStart >= freePrbBlock->startPrb) && (broadcastPrbStart <= freePrbBlock->endPrb)) && \ + ((broadcastPrbEnd >= freePrbBlock->startPrb) && (broadcastPrbEnd <= freePrbBlock->endPrb))) + { + /* Implmentation is done such that highest-numbered free-RB is allocated first */ + if((freePrbBlock->endPrb > broadcastPrbEnd) && ((freePrbBlock->endPrb - broadcastPrbEnd) >= numPrb)) + { + /* If sufficient free PRBs are available above bradcast message then, + * endPrb = freePrbBlock->endPrb + * startPrb = endPrb - numPrb +1; + */ + *startPrb = freePrbBlock->endPrb - numPrb +1; + break; + } + else if((broadcastPrbStart > freePrbBlock->startPrb) && ((broadcastPrbStart - freePrbBlock->startPrb) >= numPrb)) + { + /* If free PRBs are available below broadcast message then, + * endPrb = broadcastPrbStart - 1 + * startPrb = endPrb - numPrb +1 + */ + *startPrb = broadcastPrbStart - numPrb; + break; + } + else + { + freePrbNode = freePrbNode->next; + continue; + } + } + else + { + /* Check if requested number of blocks can be allocated from the current block */ + if (freePrbBlock->numFreePrb < numPrb) + { + freePrbNode = freePrbNode->next; + continue; + } + *startPrb = freePrbBlock->endPrb - numPrb +1; + break; + } + } + + /* If no free block can be used to allocated request number of RBs */ + if(*startPrb == MAX_NUM_RB) + return RFAILED; + } + + /* If startPrb is known already, check if requested PRBs are available for allocation */ + else + { + freePrbNode = isPrbAvailable(&prbAlloc->freePrbBlockList, *startPrb, numPrb); + if(!freePrbNode) + { + DU_LOG("\nERROR --> SCH: Requested DL PRB unavailable"); + return RFAILED; + } + } + + /* Update bitmap to allocate PRBs */ + for(symbol=startSymbol; symbol < (startSymbol+symbolLength); symbol++) + { + if(fillPrbBitmap(prbAlloc->prbBitMap[symbol], *startPrb, numPrb) != ROK) + { + DU_LOG("\nERROR --> SCH: fillPrbBitmap() failed for symbol [%d] in DL", symbol); + return RFAILED; + } + } + + /* Update the remaining number for free PRBs */ + removeAllocatedPrbFromFreePrbList(&prbAlloc->freePrbBlockList, freePrbNode, *startPrb, numPrb); + + return ROK; +} + +/******************************************************************* + * + * @brief Allocates requested PRBs for UL + * + * @details + * + * Function : allocatePrbUl + * + * Functionality: + * Allocates requested PRBs in UL + * Keeps track of allocated PRB (using bitmap) and remaining PRBs + * + * @params[in] prbAlloc table + * Start symbol + * Number of symbols + * Start PRB + * Number of PRBs + * + * @return ROK - success + * RFAILED - failure + * + * ****************************************************************/ +uint8_t allocatePrbUl(SchCellCb *cell, SlotTimingInfo slotTime, \ + uint8_t startSymbol, uint8_t symbolLength, uint16_t *startPrb, uint16_t numPrb) +{ + uint8_t symbol = 0; + uint16_t prachStartPrb, prachNumPrb, prachEndPrb; + bool isPrachOccasion; + FreePrbBlock *freePrbBlock = NULLP; + CmLList *freePrbNode = NULLP; + SchPrbAlloc *prbAlloc = NULLP; + + if(cell == NULLP) + { + DU_LOG("\nERROR --> SCH : allocatePrbUl(): Received cellCb is null"); + return RFAILED; + } + + prbAlloc = &cell->schUlSlotInfo[slotTime.slot]->prbAlloc; + /* If startPrb is set to MAX_NUM_RB, it means startPrb is not known currently. + * Search for an appropriate location in PRB grid and allocate requested resources */ + if(*startPrb == MAX_NUM_RB) + { + /* Check if PRACH is also scheduled in this slot */ + isPrachOccasion = schCheckPrachOcc(cell, slotTime); + if(isPrachOccasion) + { + prachStartPrb = cell->cellCfg.ulCfgCommon.schInitialUlBwp.schRachCfg.prachCfgGeneric.msg1FreqStart; + prachNumPrb = schCalcPrachNumRb(cell); + prachEndPrb = prachStartPrb + prachNumPrb -1; + } + + /* Iterate through all free PRB blocks */ + freePrbNode = prbAlloc->freePrbBlockList.first; + while(freePrbNode) + { + freePrbBlock = (FreePrbBlock *)freePrbNode->node; + + /* If PRACH is scheduled in this slot, then check if its PRBs belong to the current free block. + * PRBs required for PRACH cannot be allocated to any other message */ + if((isPrachOccasion) && + ((prachStartPrb >= freePrbBlock->startPrb) && (prachStartPrb <= freePrbBlock->endPrb)) && + ((prachEndPrb >= freePrbBlock->startPrb) && (prachEndPrb <= freePrbBlock->endPrb))) + { + /* Implmentation is done such that highest-numbered free-RB is allocated first */ + if((freePrbBlock->endPrb > prachEndPrb) && ((freePrbBlock->endPrb - prachEndPrb) >= numPrb)) + { + /* If sufficient free PRBs are available above PRACH message then, + * endPrb = freePrbBlock->endPrb + * startPrb = endPrb - numPrb +1; + */ + *startPrb = freePrbBlock->endPrb - numPrb +1; + break; + } + else if((prachStartPrb > freePrbBlock->startPrb) && ((prachStartPrb - freePrbBlock->startPrb) >= numPrb)) + { + /* If free PRBs are available below PRACH message then, + * endPrb = prachStartPrb - 1 + * startPrb = endPrb - numPrb +1 + */ + *startPrb = prachStartPrb - numPrb; + break; + } + else + { + freePrbNode = freePrbNode->next; + continue; + } + } + else + { + /* Check if requested number of PRBs can be allocated from currect block */ + if(freePrbBlock->numFreePrb < numPrb) + { + freePrbNode = freePrbNode->next; + continue; + } + *startPrb = freePrbBlock->endPrb - numPrb +1; + break; + } + } + + /* If no free block can be used to allocated requested number of RBs */ + if(*startPrb == MAX_NUM_RB) + return RFAILED; + } + else + { + /* If startPrb is known already, check if requested PRBs are available for allocation */ + freePrbNode = isPrbAvailable(&prbAlloc->freePrbBlockList, *startPrb, numPrb); + if(!freePrbNode) + { + DU_LOG("\nERROR --> SCH: Requested UL PRB unavailable"); + return RFAILED; + } + } + + /* Update bitmap to allocate PRBs */ + for(symbol=startSymbol; symbol < (startSymbol+symbolLength); symbol++) + { + if(fillPrbBitmap(prbAlloc->prbBitMap[symbol], *startPrb, numPrb) != ROK) + { + DU_LOG("\nERROR --> SCH: fillPrbBitmap() failed for symbol [%d] in UL", symbol); + return RFAILED; + } + } + + /* Update the remaining number for free PRBs */ + removeAllocatedPrbFromFreePrbList(&prbAlloc->freePrbBlockList, freePrbNode, *startPrb, numPrb); + + return ROK; +} + +/******************************************************************************* + * + * @brief Try to find Best Free Block with Max Num PRB + * + * @details + * + * Function : searchLargestFreeBlock + * + * Functionality: + * Finds the FreeBlock with MaxNum of FREE PRB considering SSB/SIB1 ocassions. + * + * @params[in] I/P > prbAlloc table (FreeBlock list) + * I/P > Slot timing Info + * O/P > Start PRB + * I/P > Direction (UL/DL) + * + * + * @return Max Number of Free PRB + * If 0, then no Suitable Free Block + * + * ********************************************************************************/ + +uint16_t searchLargestFreeBlock(SchCellCb *cell, SlotTimingInfo slotTime,uint16_t *startPrb, Direction dir) +{ + uint16_t reservedPrbStart=0, reservedPrbEnd=0, maxFreePRB = 0; + FreePrbBlock *freePrbBlock = NULLP; + CmLList *freePrbNode = NULLP; + SchPrbAlloc *prbAlloc = NULLP; + bool checkOccasion = FALSE; + + *startPrb = 0; /*Initialize the StartPRB to zero*/ + + /*Based on Direction, Reserved Messsages will differi.e. + * DL >> SSB and SIB1 ocassions wheres for UL, PRACH ocassions to be checked + * and reserved before allocation for dedicated DL/UL msg*/ + if(dir == DIR_DL) + { + SchDlSlotInfo *schDlSlotInfo = cell->schDlSlotInfo[slotTime.slot]; + PduTxOccsaion ssbOccasion=0, sib1Occasion=0; + + prbAlloc = &schDlSlotInfo->prbAlloc; + + ssbOccasion = schCheckSsbOcc(cell, slotTime); + sib1Occasion = schCheckSib1Occ(cell, slotTime); + + checkOccasion = TRUE; + if(ssbOccasion && sib1Occasion) + { + reservedPrbStart = cell->cellCfg.dlCfgCommon.schFreqInfoDlSib.offsetToPointA; + reservedPrbEnd = reservedPrbStart + SCH_SSB_NUM_PRB + \ + cell->sib1SchCfg.sib1PdcchCfg.dci.pdschCfg.pdschFreqAlloc.numPrb -1; + } + else if(ssbOccasion) + { + reservedPrbStart = cell->cellCfg.dlCfgCommon.schFreqInfoDlSib.offsetToPointA; + reservedPrbEnd = reservedPrbStart + SCH_SSB_NUM_PRB -1; + } + else if(sib1Occasion) + { + reservedPrbStart = cell->sib1SchCfg.sib1PdcchCfg.dci.pdschCfg.pdschFreqAlloc.startPrb; + reservedPrbEnd = reservedPrbStart + cell->sib1SchCfg.sib1PdcchCfg.dci.pdschCfg.pdschFreqAlloc.numPrb -1; + } + else + { + checkOccasion = FALSE; + } + } + else if(dir == DIR_UL) + { + prbAlloc = &cell->schUlSlotInfo[slotTime.slot]->prbAlloc; + + /* Check if PRACH is also scheduled in this slot */ + checkOccasion = schCheckPrachOcc(cell, slotTime); + if(checkOccasion) + { + reservedPrbStart = cell->cellCfg.ulCfgCommon.schInitialUlBwp.schRachCfg.prachCfgGeneric.msg1FreqStart; + reservedPrbEnd = reservedPrbStart + (schCalcPrachNumRb(cell)) -1; + } + } + else + { + DU_LOG("\nERROR --> SCH: Invalid Direction!"); + return (maxFreePRB); + } + + freePrbNode = prbAlloc->freePrbBlockList.first; + while(freePrbNode) + { + freePrbBlock = (FreePrbBlock *)freePrbNode->node; + + /*For block with same numFreeBlocks, choose the one with HighestPRB range + *Since FreeBLockList are arranged in Descending order of PRB range thus Skipping this block*/ + if(maxFreePRB >= freePrbBlock->numFreePrb) + { + //skip this block + freePrbNode = freePrbNode->next; + continue; + } + + /* If Broadcast/Prach message is scheduled in this slot, then check if its PRBs belong to the current free block. + * Since SSB/SIB1 PRB location is fixed, these PRBs cannot be allocated to other message in same slot */ + if(checkOccasion && + ((reservedPrbStart >= freePrbBlock->startPrb) && (reservedPrbStart <= freePrbBlock->endPrb)) && \ + ((reservedPrbEnd >= freePrbBlock->startPrb) && (reservedPrbEnd <= freePrbBlock->endPrb))) + { + + /* Implmentation is done such that highest-numbered free-RB is Checked first + and freePRB in this block is greater than Max till now */ + if((freePrbBlock->endPrb > reservedPrbEnd) && ((freePrbBlock->endPrb - reservedPrbEnd) > maxFreePRB)) + { + /* If sufficient free PRBs are available above reserved message*/ + *startPrb = reservedPrbEnd + 1; + maxFreePRB = (freePrbBlock->endPrb - reservedPrbEnd); + } + /*Also check the other freeBlock (i.e. Above the reserved message) for MAX FREE PRB*/ + if((reservedPrbStart > freePrbBlock->startPrb) && ((reservedPrbStart - freePrbBlock->startPrb) > maxFreePRB)) + { + /* If free PRBs are available below reserved message*/ + *startPrb = freePrbBlock->startPrb; + maxFreePRB = (reservedPrbStart - freePrbBlock->startPrb); + } + } + else //Best Block + { + if(maxFreePRB < freePrbBlock->numFreePrb) + { + *startPrb = freePrbBlock->startPrb; + maxFreePRB = freePrbBlock->numFreePrb; + } + + } + freePrbNode = freePrbNode->next; + } + return(maxFreePRB); +} + +/******************************************************************************* + * + * @brief This function is used to send Slice Cfg rsp to MAC + * + * @details + * + * Function : SchSendSliceCfgRspToMac + * + * Functionality: + * function is used to send Slice Cfg rsp to MAC + * + * @params[in] Pst *pst, SchSliceCfgRsp sliceCfgRsp + * + * @return- void + * + * ********************************************************************************/ +void SchSendSliceCfgRspToMac(Inst inst, SchSliceCfgRsp sliceCfgRsp) +{ + Pst rspPst; + + memset(&rspPst, 0, sizeof(Pst)); + FILL_PST_SCH_TO_MAC(rspPst, inst); + rspPst.event = EVENT_SLICE_CFG_RSP_TO_MAC; + + MacMessageRouter(&rspPst, (void *)&sliceCfgRsp); + +} + +/******************************************************************************* + * + * @brief This function is used to store or modify the slice configuration Sch DB + * + * @details + * + * Function : addOrModifySliceCfgInSchDb + * + * Functionality: + * function is used to store or modify the slice configuration Sch DB + * + * @params[in] SchSliceCfg *storeSliceCfg, SchSliceCfgReq *cfgReq, + * SchSliceCfgRsp cfgRsp, uint8_t count + * + * @return + * ROK - Success + * RFAILED - Failure + * + * ********************************************************************************/ +uint8_t addSliceCfgInSchDb(CmLListCp *sliceCfgInDb, SchRrmPolicyOfSlice *cfgReq) +{ + SchRrmPolicyOfSlice *sliceToStore; + + SCH_ALLOC(sliceToStore, sizeof(SchRrmPolicyOfSlice)); + if(sliceToStore) + { + memcpy(&sliceToStore->snssai, &cfgReq->snssai, sizeof(Snssai)); + memcpy(&sliceToStore->rrmPolicyRatioInfo, &cfgReq->rrmPolicyRatioInfo, sizeof(SchRrmPolicyRatio)); + addNodeToLList(sliceCfgInDb, sliceToStore, NULL); + } + else + { + DU_LOG("\nERROR --> SCH : Memory allocation failed in addOrModifySliceCfgInSchDb"); + return RFAILED; + } + return ROK; +} + +/******************************************************************************* + * + * @brief fill slice configuration response + * + * @details + * + * Function : fillSliceCfgRsp + * + * Functionality: + * fill slice configuration response + * + * @params[in] SchCellCb, SchSliceCfgReq, SchSliceCfgRsp,uint8_t count + * + * @return + * ROK - Success + * RFAILED - Failure + * + * ********************************************************************************/ +uint8_t fillSliceCfgRsp(Inst inst, CmLListCp *storedSliceCfg, SchCellCb *cellCb, SchSliceCfgReq *schSliceCfgReq) +{ + SchMacRsp sliceFound; + uint8_t cfgIdx = 0, sliceIdx = 0, plmnIdx = 0, ret =ROK; + SchSliceCfgRsp schSliceCfgRsp; + + for(cfgIdx = 0; cfgIdxnumOfConfiguredSlice; cfgIdx++) + { + sliceFound = RSP_NOK; + /* Here comparing the slice cfg request with the slice stored in cellCfg */ + for(plmnIdx = 0; plmnIdx < MAX_PLMN; plmnIdx++) + { + for(sliceIdx = 0; sliceIdxcellCfg.plmnInfoList[plmnIdx].numSliceSupport; sliceIdx++) + { + /* If we find the SliceCfgReq's SNSSAI in CellCb's SNSSAI DB, we mark this slice as configured and add it to Sch's DB. */ + if(!memcmp(&schSliceCfgReq->listOfSlices[cfgIdx]->snssai, cellCb->cellCfg.plmnInfoList[plmnIdx].snssai[sliceIdx], sizeof(Snssai))) + { + if(addSliceCfgInSchDb(storedSliceCfg, schSliceCfgReq->listOfSlices[cfgIdx]) == ROK) + { + sliceFound = RSP_OK; + schSliceCfgRsp.cause = SUCCESSFUL; + } + else + { + DU_LOG("\nERROR --> SCH : Failed to store slice configuration in SchDb"); + schSliceCfgRsp.cause = RESOURCE_UNAVAILABLE; + ret = RFAILED; + } + plmnIdx = MAX_PLMN; + break; + } + } + } + + if((sliceFound == RSP_NOK) && (schSliceCfgRsp.cause != RESOURCE_UNAVAILABLE)) + schSliceCfgRsp.cause = SLICE_NOT_FOUND; + + schSliceCfgRsp.snssai = schSliceCfgReq->listOfSlices[cfgIdx]->snssai; + schSliceCfgRsp.rsp = sliceFound; + SchSendSliceCfgRspToMac(inst, schSliceCfgRsp); + } + return ret; +} + +/******************************************************************************* + * + * @brief This function is used to free the slice cfg and re cfg request pointer + * + * @details + * + * Function : freeSchSliceCfgReq + * + * Functionality: + * function is used to free the slice cfg and re cfg request pointer + * + * @params[in] Pst *pst, SchSliceCfgReq *schSliceCfgReq + * + * @return + * ROK - Success + * RFAILED - Failure + * ********************************************************************************/ +void freeSchSliceCfgReq(SchSliceCfgReq *sliceCfgReq) +{ + uint8_t cfgIdx = 0; + + if(sliceCfgReq) + { + if(sliceCfgReq->numOfConfiguredSlice) + { + for(cfgIdx = 0; cfgIdxnumOfConfiguredSlice; cfgIdx++) + { + if(sliceCfgReq->listOfSlices[cfgIdx]) + { + SCH_FREE(sliceCfgReq->listOfSlices[cfgIdx], sizeof(SchRrmPolicyOfSlice)); + } + } + SCH_FREE(sliceCfgReq->listOfSlices, sliceCfgReq->numOfConfiguredSlice * sizeof(SchRrmPolicyOfSlice*)); + } + SCH_FREE(sliceCfgReq, sizeof(SchSliceCfgReq)); + } +} +/******************************************************************************* + * + * @brief This function is used to store the slice configuration Sch DB + * + * @details + * + * Function : SchProcSliceCfgReq + * + * Functionality: + * function is used to store the slice configuration Sch DB + * + * @params[in] Pst *pst, SchSliceCfgReq *schSliceCfgReq + * + * @return + * ROK - Success + * RFAILED - Failure + * + * ********************************************************************************/ +uint8_t SchProcSliceCfgReq(Pst *pst, SchSliceCfgReq *schSliceCfgReq) +{ + uint8_t ret = ROK; + Inst inst = pst->dstInst - SCH_INST_START; + + DU_LOG("\nINFO --> SCH : Received Slice Cfg request from MAC"); + if(schSliceCfgReq) + { + if(schSliceCfgReq->listOfSlices) + { + /* filling the slice configuration response of each slice */ + if(fillSliceCfgRsp(inst, &schCb[inst].sliceCfg, schCb[inst].cells[0], schSliceCfgReq) != ROK) + { + DU_LOG("\nERROR --> SCH : Failed to fill the slice cfg rsp"); + ret = RFAILED; + } + freeSchSliceCfgReq(schSliceCfgReq); + } + } + else + { + DU_LOG("\nERROR --> SCH : Received SchSliceCfgReq is NULL"); + ret = RFAILED; + } + return ret; +} + +/******************************************************************************* + * + * @brief This function is used to send Slice re Cfg rsp to MAC + * + * @details + * + * Function : SchSendSliceRecfgRspToMac + * + * Functionality: + * function is used to send Slice re Cfg rsp to MAC + * + * @params[in] Pst *pst, SchSliceRecfgRsp schSliceRecfgRsp + * + * @return- void + * + * ********************************************************************************/ +void SchSendSliceRecfgRspToMac(Inst inst, SchSliceRecfgRsp schSliceRecfgRsp) +{ + Pst rspPst; + + memset(&rspPst, 0, sizeof(Pst)); + FILL_PST_SCH_TO_MAC(rspPst, inst); + rspPst.event = EVENT_SLICE_RECFG_RSP_TO_MAC; + + MacMessageRouter(&rspPst, (void *)&schSliceRecfgRsp); +} + +/******************************************************************************* + * + * @brief fill slice configuration response + * + * @details + * + * Function : fillSliceRecfgRsp + * + * Functionality: fill slice reconfiguration response + * + * @params[in] SchCellCb, SchSliceCfgReq, SchSliceCfgRsp,uint8_t count + * + * @return + * ROK - Success + * RFAILED - Failure + * + * ********************************************************************************/ + +uint8_t fillSliceRecfgRsp(Inst inst, CmLListCp *storedSliceCfg, SchSliceRecfgReq *schSliceRecfgReq) +{ + SchMacRsp sliceFound; + uint8_t cfgIdx = 0; + SchRrmPolicyOfSlice *rrmPolicyOfSlices; + SchSliceRecfgRsp schSliceRecfgRsp; + + for(cfgIdx = 0; cfgIdxnumOfConfiguredSlice; cfgIdx++) + { + sliceFound = RSP_NOK; + /* Here comparing the slice recfg request with the StoredSliceCfg */ + CmLList *sliceCfg = storedSliceCfg->first; + + while(sliceCfg) + { + rrmPolicyOfSlices = (SchRrmPolicyOfSlice*)sliceCfg->node; + + if(rrmPolicyOfSlices && (memcmp(&schSliceRecfgReq->listOfSlices[cfgIdx]->snssai, &(rrmPolicyOfSlices->snssai), sizeof(Snssai)) == 0)) + { + memcpy(&rrmPolicyOfSlices->rrmPolicyRatioInfo, &schSliceRecfgReq->listOfSlices[cfgIdx]->rrmPolicyRatioInfo, sizeof(SchRrmPolicyRatio)); + sliceFound = RSP_OK; + break; + } + sliceCfg = sliceCfg->next; + } + + schSliceRecfgRsp.snssai = schSliceRecfgReq->listOfSlices[cfgIdx]->snssai; + schSliceRecfgRsp.rsp = sliceFound; + if(schSliceRecfgRsp.rsp == RSP_OK) + schSliceRecfgRsp.cause = SUCCESSFUL; + else + schSliceRecfgRsp.cause = SLICE_NOT_FOUND; + SchSendSliceRecfgRspToMac(inst, schSliceRecfgRsp); + } + return ROK; +} +/******************************************************************************* + * + * @brief This function is used to store the slice reconfiguration Sch DB + * + * @details + * + * Function : SchProcSliceRecfgReq + * + * Functionality: + * function is used to store the slice re configuration Sch DB + * + * @params[in] Pst *pst, SchSliceRecfgReq *schSliceRecfgReq + * + * @return + * ROK - Success + * RFAILED - Failure + * + * ********************************************************************************/ +uint8_t SchProcSliceRecfgReq(Pst *pst, SchSliceRecfgReq *schSliceRecfgReq) +{ + uint8_t ret = ROK; + Inst inst = pst->dstInst - SCH_INST_START; + + DU_LOG("\nINFO --> SCH : Received Slice ReCfg request from MAC"); + if(schSliceRecfgReq) + { + if(schSliceRecfgReq->listOfSlices) + { + /* filling the slice configuration response of each slice */ + if(fillSliceRecfgRsp(inst, &schCb[inst].sliceCfg, schSliceRecfgReq) != ROK) + { + DU_LOG("\nERROR --> SCH : Failed to fill sch slice cfg response"); + ret = RFAILED; + } + freeSchSliceCfgReq(schSliceRecfgReq); + } + } + else + { + DU_LOG("\nERROR --> SCH : Received SchSliceRecfgReq is NULL"); + + } + return ret; +} + +/**************************************************************************** + * + * @brief Stores the Paging Configuration from DU APP in CellCb + * + * @details + * + * Function : schProcPagingParam + * + * Functionality: + * Process the Paging Configuration when FirstPDCCHMonitoring for + * Paging Ocassion is not present. + * + * As per 38.304 Sec 7.1, + * "When firstPDCCH-MonitoringOccasionOfPO is present, the + * starting PDCCH monitoring occasion number of (i_s + 1)th PO is the + * (i_s + 1)th value of the firstPDCCHMonitoringOccasionOfPO + * parameter; otherwise, it is equal to i_s * S." + * "S = number of actual transmitted SSBs determined according + * to ssb-PositionsInBurst in SIB1" + * + * @params[in] SchCellCb *cell + * + * @return void + * + *************************************************************************/ +void schProcPagingCfg(SchCellCb *cell) +{ + SchPcchCfg *pageCfgRcvd = NULL; + uint8_t i_sIdx = 0; + + pageCfgRcvd = &(cell->cellCfg.dlCfgCommon.schPcchCfg); + + if(pageCfgRcvd->poPresent == TRUE) + { + /*Fetching first Pdcch Monitoring Occasion for SFN (i_s + 1)th*/ + for(i_sIdx = 0; i_sIdx < pageCfgRcvd->numPO; i_sIdx++) + { + cell->pageCb.pagMonOcc[i_sIdx].pagingOccSlot = pageCfgRcvd->pagingOcc[i_sIdx] / MAX_SYMB_PER_SLOT ; + if ((pageCfgRcvd->pagingOcc[i_sIdx] % MAX_SYMB_PER_SLOT) != 0 ) + { + cell->pageCb.pagMonOcc[i_sIdx].pagingOccSlot++; + } + + cell->pageCb.pagMonOcc[i_sIdx].frameOffset = 0; + + } + } + else + { + schCfgPdcchMonOccOfPO(cell); + } +} + +/**************************************************************************** + * + * @brief Calculate PO if not present in Configuration + * + * @details + * + * Function : schCfgPdcchMonOccOfPO + * + * Functionality: In this function, PO are calculated i_s * S because + * FirstPDCCHMonitoring_ForPO is not present. + * + * @params[in] SchCellCb *cellCb + * + * @return void + * + *************************************************************************/ +void schCfgPdcchMonOccOfPO(SchCellCb *cell) +{ + uint8_t cnt = 0, incr = 1, i_sIdx = 0, frameOffSet = 0; + uint8_t nsValue = cell->cellCfg.dlCfgCommon.schPcchCfg.numPO; + uint8_t totalNumSsb = countSetBits(cell->cellCfg.ssbPosInBurst[0]); + SlotTimingInfo tmpTimingInfo, pdcchTime; + + /*Starting with First Sfn and slot*/ + tmpTimingInfo.sfn = 0; + tmpTimingInfo.slot = 0; + + pdcchTime = tmpTimingInfo; + + while(i_sIdx < nsValue) + { + /*Increment frame Offset if PO falls on next SFN*/ + if(pdcchTime.sfn != tmpTimingInfo.sfn) + { + frameOffSet++; + } + pdcchTime = tmpTimingInfo; + schIncrSlot(&(tmpTimingInfo), incr, cell->numSlots); + + if (i_sIdx == 0) + { + cell->pageCb.pagMonOcc[i_sIdx].pagingOccSlot = pdcchTime.slot; + cell->pageCb.pagMonOcc[i_sIdx].frameOffset = frameOffSet; + i_sIdx++; + } + else + { + cnt++; + if((cnt == totalNumSsb) && (i_sIdx < MAX_PO_PER_PF)) + { + cell->pageCb.pagMonOcc[i_sIdx].pagingOccSlot = pdcchTime.slot; + cell->pageCb.pagMonOcc[i_sIdx].frameOffset = frameOffSet; + cnt = 0; + i_sIdx++; + } + } + } +} + +/**************************************************************************** + * + * @brief Storing the paging information in SCH database + * + * @details + * + * Function : schAddPagingIndtoList + * + * Functionality: Storing the paging information in SCH database + * + * @params[in] CmLListCp *storedPageList, CmLList *pageIndInfo + * + * @return ROK - sucess + * RFAILED - failure + * + *************************************************************************/ +uint8_t schAddPagingIndtoList(CmLListCp *storedPageList,void * pageIndInfo) +{ + CmLList *firstNodeOfList = NULLP; + CmLList *currentNodeInfo = NULLP; + SchPageInfo *tempNode = NULLP, *recvdNode = NULLP; + + recvdNode = (SchPageInfo*) pageIndInfo; + CM_LLIST_FIRST_NODE(storedPageList,firstNodeOfList); + + SCH_ALLOC(currentNodeInfo, sizeof(CmLList)); + if(!currentNodeInfo) + { + DU_LOG("\nERROR --> SCH : schAddPagingIndtoList() : Memory allocation failed"); + return RFAILED; + } + + currentNodeInfo->node = (PTR)pageIndInfo; + while(firstNodeOfList) + { + tempNode = (SchPageInfo*)(firstNodeOfList->node); + if ((recvdNode->pageTxTime.slot < tempNode->pageTxTime.slot)) + { + cmLListInsCrnt(storedPageList, currentNodeInfo); + break; + } + else if ((recvdNode->pageTxTime.slot == tempNode->pageTxTime.slot)) + { + DU_LOG("\nERROR --> SCH : schAddPagingIndtoList() : Slot[%d] is already present in the list", recvdNode->pageTxTime.slot); + return RFAILED; + } + else + { + CM_LLIST_NEXT_NODE(storedPageList, firstNodeOfList); + } + } + + if(!firstNodeOfList) + { + cmLListAdd2Tail(storedPageList, currentNodeInfo); + } + DU_LOG("\nDEBUG --> SCH : Paging information is stored successfully for PF:%d, Slot:%d",\ + recvdNode->pageTxTime.sfn, recvdNode->pageTxTime.slot); return ROK; } + +/**************************************************************************** + * + * @brief Process paging indication at SCH recevied form MAC + * + * @details + * + * Function : SchProcPagingInd + * + * Functionality: Process paging indication at SCH recevied form MAC + * + * @params[in] Pst *pst, SchPageInd *pageInd + * + * @return void + * + *************************************************************************/ +uint8_t SchProcPagingInd(Pst *pst, SchPageInd *pageInd) +{ + uint8_t ret = RFAILED; + uint16_t cellIdx = 0; + Inst inst = pst->dstInst - SCH_INST_START; + SchCellCb *cellCb = NULLP; + SchPageInfo *pageInfo = NULLP; + + if(pageInd) + { + DU_LOG("\nDEBUG --> SCH : Received paging indication from MAC for cellId[%d]",\ + pageInd->cellId); + + /* Fetch Cell CB */ + for(cellIdx = 0; cellIdx < MAX_NUM_CELL; cellIdx++) + { + if((schCb[inst].cells[cellIdx]) && (schCb[inst].cells[cellIdx]->cellId == pageInd->cellId)) + { + cellCb = schCb[inst].cells[cellIdx]; + break; + } + } + if(cellCb) + { + if(pageInd->i_s > cellCb->cellCfg.dlCfgCommon.schPcchCfg.numPO) + { + DU_LOG("\nERROR --> SCH : SchProcPagingInd(): i_s should not be greater than number of paging occasion"); + } + else + { + SCH_ALLOC(pageInfo, sizeof(SchPageInfo)); + if(pageInfo) + { + pageInfo->pf = pageInd->pf; + pageInfo->i_s = pageInd->i_s; + pageInfo->pageTxTime.cellId = pageInd->cellId; + pageInfo->pageTxTime.sfn = (pageInd->pf + cellCb->pageCb.pagMonOcc[pageInd->i_s].frameOffset) % MAX_SFN; + pageInfo->pageTxTime.slot = cellCb->pageCb.pagMonOcc[pageInd->i_s].pagingOccSlot; + pageInfo->mcs = DEFAULT_MCS; + pageInfo->msgLen = pageInd->pduLen; + SCH_ALLOC(pageInfo->pagePdu, pageInfo->msgLen); + if(!pageInfo->pagePdu) + { + DU_LOG("\nERROR --> SCH : SchProcPagingInd(): Failed to allocate memory"); + } + else + { + memcpy(pageInfo->pagePdu, pageInd->pagePdu, pageInfo->msgLen); + ret = schAddPagingIndtoList(&cellCb->pageCb.pageIndInfoRecord[pageInfo->pageTxTime.sfn], pageInfo); + if(ret != ROK) + { + DU_LOG("\nERROR --> SCH : SchProcPagingInd(): Failed to store paging record"); + } + } + } + else + { + DU_LOG("\nERROR --> SCH : SchProcPagingInd(): Failed to allocate memory"); + } + } + } + else + { + DU_LOG("\nERROR --> SCH : Cell ID [%d] not found", pageInd->cellId); + } + SCH_FREE(pageInd->pagePdu, pageInd->pduLen); + SCH_FREE(pageInd, sizeof(SchPageInd)); + } + else + { + DU_LOG("\nERROR --> SCH : SchProcPagingInd(): Received null pointer"); + } + return ret; +} + + +/*********************************************************** + * + * Func : SchFillCfmPst + * + * + * Desc : Fills the Confirmation Post Structure cfmPst using the reqPst + * and the cfm->hdr.response. + * + * + * Ret : Void + * + * Notes: + * + * File : rg_sch_lmm.c + * + **********************************************************/ +Void SchFillCfmPst +( +Pst *reqPst, +Pst *cfmPst, +RgMngmt *cfm +) +{ + Inst inst; + + inst = (reqPst->dstInst - SCH_INST_START); + + cfmPst->srcEnt = ENTMAC; + cfmPst->srcInst = (Inst) 1; + cfmPst->srcProcId = schCb[inst].schInit.procId; + cfmPst->dstEnt = ENTMAC; + cfmPst->dstInst = (Inst) 0; + cfmPst->dstProcId = reqPst->srcProcId; + + cfmPst->selector = cfm->hdr.response.selector; + cfmPst->region = cfm->hdr.response.mem.region; + cfmPst->pool = cfm->hdr.response.mem.pool; + + return; +} + +/******************************************************************* + * + * @brief Processes DL CQI ind from MAC + * + * @details + * + * Function : SchProcDlCqiInd + * + * Functionality: + * Processes DL CQI ind from MAC + * + * @params[in] + * @return ROK - success + * RFAILED - failure + * + * ****************************************************************/ +uint8_t SchProcDlCqiInd(Pst *pst, SchDlCqiInd *dlCqiInd) +{ + uint8_t ret = ROK; + uint16_t ueId = 0, cellIdx = 0; + SchUeCb *ueCb = NULLP; + SchCellCb *cell = NULLP; + Inst inst = pst->dstInst-SCH_INST_START; + + if(!dlCqiInd) + { + DU_LOG("\nERROR --> SCH : SchProcDlCqiInd(): CQI Ind is empty"); + ret = RFAILED; + } + else + { + GET_CELL_IDX(dlCqiInd->cellId, cellIdx); + cell = schCb[inst].cells[cellIdx]; + if(cell == NULLP) + { + DU_LOG("\nERROR --> SCH : SchProcDlCqiInd(): cell Id[%d] not found", dlCqiInd->cellId); + ret = RFAILED; + } + else + { + if(cell->cellId == dlCqiInd->cellId) + { + GET_UE_ID(dlCqiInd->crnti, ueId); + ueCb = &cell->ueCb[ueId-1]; + if(ueCb->crnti != dlCqiInd->crnti) + { + DU_LOG("\nERROR --> SCH : SchProcDlCqiInd(): UeCb for received crnti[%d] not found", dlCqiInd->crnti); + ret = RFAILED; + } + else + { + /*TODO: complete the processing of DL CQI Ind*/ + } + } + else + { + DU_LOG("\nERROR --> SCH : SchProcDlCqiInd(): Received cell Id[%d] from MAC is not matching with CellID[%d] in SCH Cb",\ + dlCqiInd->cellId, cell->cellId); + ret = RFAILED; + } + } + } + return ret; +} + +/******************************************************************* + * + * @brief Processes UL CQI ind from MAC + * + * @details + * + * Function : SchProcUlCqiInd + * + * Functionality: + * Processes UL CQI ind from MAC + * + * @params[in] + * @return ROK - success + * RFAILED - failure + * + * ****************************************************************/ +uint8_t SchProcUlCqiInd(Pst *pst, SchUlCqiInd *ulCqiInd) +{ + uint8_t ret = ROK; + uint16_t ueId = 0, cellIdx = 0; + SchUeCb *ueCb = NULLP; + SchCellCb *cell = NULLP; + Inst inst = pst->dstInst-SCH_INST_START; + + if(!ulCqiInd) + { + DU_LOG("\nERROR --> SCH : SchProcUlCqiInd(): CQI Ind is empty"); + ret = RFAILED; + } + else + { + GET_CELL_IDX(ulCqiInd->cellId, cellIdx); + cell = schCb[inst].cells[cellIdx]; + if(cell == NULLP) + { + DU_LOG("\nERROR --> SCH : SchProcUlCqiInd(): cell Id[%d] not found", ulCqiInd->cellId); + ret = RFAILED; + } + else + { + if(cell->cellId == ulCqiInd->cellId) + { + GET_UE_ID(ulCqiInd->crnti, ueId); + ueCb = &cell->ueCb[ueId-1]; + if(ueCb->crnti != ulCqiInd->crnti) + { + DU_LOG("\nERROR --> SCH : SchProcUlCqiInd(): UeCb for received crnti[%d] not found",ulCqiInd->crnti); + ret = RFAILED; + } + else + { + /*TODO: complete the processing of UL CQI Ind*/ + } + } + else + { + DU_LOG("\nERROR --> SCH : SchProcUlCqiInd(): Received cell Id[%d] from MAC is not matching with CellId[%d] in SCH Cb",\ + ulCqiInd->cellId, cell->cellId); + ret = RFAILED; + } + } + } + return ret; +} + +/******************************************************************* + * + * @brief Processes PHR ind from MAC + * + * @details + * + * Function : SchProcPhrInd + * + * Functionality: + * Processes PHR ind from MAC + * + * @params[in] + * @return ROK - success + * RFAILED - failure + * + * ****************************************************************/ +uint8_t SchProcPhrInd(Pst *pst, SchPwrHeadroomInd *schPhrInd) +{ + uint8_t ret = ROK; + uint16_t ueId = 0, cellIdx = 0; + SchUeCb *ueCb = NULLP; + SchCellCb *cell = NULLP; + Inst inst = pst->dstInst-SCH_INST_START; + + if(!schPhrInd) + { + DU_LOG("\nERROR --> SCH : SchProcPhrInd(): PHR is empty"); + ret = RFAILED; + } + else + { + GET_CELL_IDX(schPhrInd->cellId, cellIdx); + cell = schCb[inst].cells[cellIdx]; + if(cell == NULLP) + { + DU_LOG("\nERROR --> SCH : schProcPhrInd(): cell Id[%d] is not found", schPhrInd->cellId); + ret = RFAILED; + } + else + { + if(cell->cellId == schPhrInd->cellId) + { + GET_UE_ID(schPhrInd->crnti, ueId); + ueCb = &cell->ueCb[ueId-1]; + if(ueCb->crnti != schPhrInd->crnti) + { + DU_LOG("\nERROR --> SCH : SchProcPhrInd(): UeCb for received crnti[%d] not found",schPhrInd->crnti); + ret = RFAILED; + } + else + { + /*TODO: complete the processing of PHR Ind*/ + } + } + else + { + DU_LOG("\nERROR --> SCH : SchProcPhrInd(): Mismatch between Received cell Id[%d] from MAC and CellID[%d] in SCH CB ",\ + schPhrInd->cellId, cell->cellId); + ret = RFAILED; + } + } + } + return ret; +} + /********************************************************************** End of file **********************************************************************/