X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?a=blobdiff_plain;f=src%2F5gnrsch%2Fsch.c;h=d05029ddf34306b973ed572d4f0fceb9478b4187;hb=b7a8e8fc6abc7fba2f580684da44413d481be825;hp=03896c0b143626dbf806b3e0e91c22963d2742dd;hpb=def50dc175cebc67238db5f1acd5ff322a2279bd;p=o-du%2Fl2.git diff --git a/src/5gnrsch/sch.c b/src/5gnrsch/sch.c index 03896c0b1..d05029ddf 100644 --- a/src/5gnrsch/sch.c +++ b/src/5gnrsch/sch.c @@ -48,7 +48,6 @@ #include "sch.h" #include "sch_utils.h" -extern SchCb schCb[SCH_MAX_INST]; void SchFillCfmPst(Pst *reqPst,Pst *cfmPst,RgMngmt *cfm); /* local defines */ @@ -59,6 +58,20 @@ SchCellCfgCfmFunc SchCellCfgCfmOpts[] = packSchCellCfgCfm /* LWLC */ }; +SchSliceCfgRspFunc SchSliceCfgRspOpts[] = +{ + packSchSliceCfgRsp, /* LC */ + MacProcSchSliceCfgRsp, /* TC */ + packSchSliceCfgRsp /* LWLC */ + +}; + +SchSliceRecfgRspFunc SchSliceRecfgRspOpts[] = +{ + packSchSliceRecfgRsp, /* LC */ + MacProcSchSliceRecfgRsp, /* TC */ + packSchSliceRecfgRsp /* LWLC */ +}; /** * @brief Task Initiation function. @@ -123,16 +136,14 @@ uint8_t SchInstCfg(RgCfg *cfg, Inst dInst) uint16_t ret = LCM_REASON_NOT_APPL; Inst inst = (dInst - SCH_INST_START); - printf("\nEntered SchInstCfg()"); + DU_LOG("\nDEBUG --> SCH : Entered SchInstCfg()"); /* Check if Instance Configuration is done already */ if (schCb[inst].schInit.cfgDone == TRUE) { 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; @@ -149,26 +160,25 @@ uint8_t SchInstCfg(RgCfg *cfg, Inst dInst) schCb[inst].genCfg.isSCellActDeactAlgoEnable = cfg->s.schInstCfg.genCfg.isSCellActDeactAlgoEnable; #endif schCb[inst].genCfg.startCellId = cfg->s.schInstCfg.genCfg.startCellId; -#if 0 + /* Initialzie the timer queue */ - memset(&schCb[inst].tmrTq, 0, sizeof(CmTqType)*RGSCH_TQ_SIZE); + memset(&schCb[inst].tmrTq, 0, sizeof(CmTqType) * SCH_TQ_SIZE); /* Initialize the timer control point */ memset(&schCb[inst].tmrTqCp, 0, sizeof(CmTqCp)); schCb[inst].tmrTqCp.tmrLen = RGSCH_TQ_SIZE; /* SS_MT_TMR needs to be enabled as schActvTmr needs instance information */ - /* Timer Registration request to SSI */ - if (ODU_REG_TMR_MT(schCb[inst].schInit.ent, dInst, - (int)schCb[inst].genCfg.tmrRes, schActvTmr) != ROK) + /* Timer Registration request to system services */ + if (ODU_REG_TMR_MT(schCb[inst].schInit.ent, dInst, (int)schCb[inst].genCfg.tmrRes, schActvTmr) != ROK) { - RLOG_ARG0(L_ERROR,DBG_INSTID,inst, "SchInstCfg(): Failed to " + DU_LOG("\nERROR --> SCH : SchInstCfg(): Failed to " "register timer."); return (LCM_REASON_MEM_NOAVAIL); } -#endif + /* Set Config done in TskInit */ schCb[inst].schInit.cfgDone = TRUE; - printf("\nScheduler gen config done"); + DU_LOG("\nINFO --> SCH : Scheduler gen config done"); return ret; } @@ -198,14 +208,18 @@ uint8_t SchProcGenCfgReq(Pst *pst, RgMngmt *cfg) RgMngmt cfm; Pst cfmPst; +#ifdef CALL_FLOW_DEBUG_LOG + DU_LOG("\nCall Flow: ENTMAC -> ENTSCH : GENERAL_CFG_REQ\n"); +#endif + if(pst->dstInst < SCH_INST_START) { - DU_LOG("\nInvalid inst ID"); - DU_LOG("\nSchProcGenCfgReq(): " + DU_LOG("\nERROR --> SCH : Invalid inst ID"); + DU_LOG("\nERROR --> SCH : SchProcGenCfgReq(): " "pst->dstInst=%d SCH_INST_START=%d", pst->dstInst,SCH_INST_START); return ROK; } - printf("\nReceived 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); @@ -226,7 +240,7 @@ uint8_t SchProcGenCfgReq(Pst *pst, RgMngmt *cfg) default: ret = LCM_PRIM_NOK; reason = LCM_REASON_INVALID_ELMNT; - DU_LOG("\nInvalid Elmnt=%d", cfg->hdr.elmId.elmnt); + DU_LOG("\nERROR --> SCH : Invalid Elmnt=%d", cfg->hdr.elmId.elmnt); break; } @@ -239,7 +253,7 @@ 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 --*/ @@ -255,16 +269,19 @@ uint8_t SchProcGenCfgReq(Pst *pst, RgMngmt *cfg) * a cell. * * @param[in] Pst *pst - * @param[in] SlotIndInfo *slotInd + * @param[in] SlotTimingInfo *slotInd * @return S16 * -# ROK * -# RFAILED **/ -uint8_t MacSchSlotInd(Pst *pst, SlotIndInfo *slotInd) +uint8_t MacSchSlotInd(Pst *pst, SlotTimingInfo *slotInd) { Inst inst = pst->dstInst-SCH_INST_START; - /* Now call the TOM (Tfu ownership module) primitive to process further */ +#ifdef CALL_FLOW_DEBUG_LOG + DU_LOG("\nCall Flow: ENTMAC -> ENTSCH : EVENT_SLOT_IND_TO_SCH\n"); +#endif + schProcessSlotInd(slotInd, inst); return ROK; @@ -289,7 +306,12 @@ uint8_t MacSchSlotInd(Pst *pst, SlotIndInfo *slotInd) uint8_t MacSchRachInd(Pst *pst, RachIndInfo *rachInd) { Inst inst = pst->dstInst-SCH_INST_START; - DU_LOG("\nSCH : Received Rach indication"); + +#ifdef CALL_FLOW_DEBUG_LOG + DU_LOG("\nCall Flow: ENTMAC -> ENTSCH : EVENT_RACH_IND_TO_SCH\n"); +#endif + + DU_LOG("\nINFO --> SCH : Received Rach indication"); schProcessRachInd(rachInd, inst); return ROK; } @@ -313,24 +335,232 @@ uint8_t MacSchRachInd(Pst *pst, RachIndInfo *rachInd) * ****************************************************************/ uint8_t MacSchCrcInd(Pst *pst, CrcIndInfo *crcInd) { - switch(crcInd->crcInd[0]) + Inst inst = pst->dstInst-SCH_INST_START; +#ifdef CALL_FLOW_DEBUG_LOG + DU_LOG("\nCall Flow: ENTMAC -> ENTSCH : EVENT_CRC_IND_TO_SCH\n"); +#endif + + schProcessCrcInd(crcInd, inst); + return ROK; +} + +#ifdef NR_TDD +/** + *@brief Returns TDD periodicity in micro seconds + * + * @details + * + * Function : schGetPeriodicityInMsec + * + * This API retunrs TDD periodicity in micro seconds + * + * @param[in] DlUlTxPeriodicity + * @return periodicityInMsec + * **/ + +uint16_t schGetPeriodicityInMsec(DlUlTxPeriodicity tddPeriod) +{ + uint16_t periodicityInMsec = 0; + switch(tddPeriod) + { + case TX_PRDCTY_MS_0P5: + { + periodicityInMsec = 500; + break; + } + case TX_PRDCTY_MS_0P625: + { + periodicityInMsec = 625; + break; + } + case TX_PRDCTY_MS_1: + { + periodicityInMsec = 1000; + break; + } + case TX_PRDCTY_MS_1P25: + { + periodicityInMsec = 1250; + break; + } + case TX_PRDCTY_MS_2: + { + periodicityInMsec = 2000; + break; + } + case TX_PRDCTY_MS_2P5: + { + periodicityInMsec = 2500; + break; + } + case TX_PRDCTY_MS_5: + { + periodicityInMsec = 5000; + break; + } + case TX_PRDCTY_MS_10: + { + periodicityInMsec = 10000; + break; + } + default: + { + DU_LOG("\nERROR --> SCH : Invalid DlUlTxPeriodicity:%d", tddPeriod); + } + } + + return periodicityInMsec; +} + + +/** + * @brief init TDD slot config + * + * @details + * + * Function : schInitTddSlotCfg + * + * This API is invoked after receiving schCellCfg + * + * @param[in] schCellCb *cell + * @param[in] SchCellCfg *schCellCfg + * @return void + **/ +void schInitTddSlotCfg(SchCellCb *cell, SchCellCfg *schCellCfg) +{ + uint16_t periodicityInMicroSec = 0; + int8_t slotIdx, symbIdx; + + periodicityInMicroSec = schGetPeriodicityInMsec(schCellCfg->tddCfg.tddPeriod); + cell->numSlotsInPeriodicity = (periodicityInMicroSec * pow(2, schCellCfg->numerology))/1000; + cell->slotFrmtBitMap = 0; + cell->symbFrmtBitMap = 0; + 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) + { + switch(schCellCfg->tddCfg.slotCfg[slotIdx][symbIdx]) + { + case DL_SLOT: + { + /*BitMap to be set to 00 */ + cell->slotFrmtBitMap = (cell->slotFrmtBitMap<<2); + break; + } + case UL_SLOT: + { + /*BitMap to be set to 01 */ + cell->slotFrmtBitMap = ((cell->slotFrmtBitMap<<2) | (UL_SLOT)); + break; + } + default: + DU_LOG("\nERROR --> SCH : Invalid slot Config in schInitTddSlotCfg"); + } + continue; + } + /* slot config is flexible. First set slotBitMap to 10 */ + cell->slotFrmtBitMap = ((cell->slotFrmtBitMap<<2) | (FLEXI_SLOT)); + + /* Now set symbol bitmap */ + for(symbIdx = MAX_SYMB_PER_SLOT-1; symbIdx >= 0; symbIdx--) + { + switch(schCellCfg->tddCfg.slotCfg[slotIdx][symbIdx]) + { + case DL_SLOT: + { + /*symbol BitMap to be set to 00 */ + cell->symbFrmtBitMap = (cell->symbFrmtBitMap<<2); + break; + } + case UL_SLOT: + { + /*symbol BitMap to be set to 01 */ + cell->symbFrmtBitMap = ((cell->symbFrmtBitMap<<2) | (UL_SLOT)); + break; + } + case FLEXI_SLOT: + { + /*symbol BitMap to be set to 10 */ + cell->symbFrmtBitMap = ((cell->symbFrmtBitMap<<2) | (FLEXI_SLOT)); + break; + } + default: + DU_LOG("\nERROR --> SCH : Invalid slot Config in schInitTddSlotCfg"); + } + } + } +} +#endif + +/** + * @brief Fill SSB start symbol + * + * @details + * + * Function : fillSsbStartSymb + * + * This API stores SSB start index per beam + * + * @param[in] SchCellCb *cellCb + * @return int + * -# ROK + * -# RFAILED + **/ +void fillSsbStartSymb(SchCellCb *cellCb) +{ + uint8_t cnt, scs, symbIdx, ssbStartSymbArr[SCH_MAX_SSB_BEAM]; + + scs = cellCb->cellCfg.ssbSchCfg.scsCommon; + + memset(ssbStartSymbArr, 0, sizeof(SCH_MAX_SSB_BEAM)); + symbIdx = 0; + /* Determine value of "n" based on Section 4.1 of 3GPP TS 38.213 */ + switch(scs) { - case CRC_FAILED: - DU_LOG("\nSCH : Received CRC indication. CRC Status [FAILURE]"); + case SCS_15KHZ: + { + if(cellCb->cellCfg.dlFreq <= 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 */ + else + cnt = 2; /* n = 0, 1 */ + for(uint8_t idx=0; idxcrcInd[0]); - return RFAILED; + DU_LOG("\nERROR --> SCH : SCS %d is currently not supported", scs); } - return ROK; + memset(cellCb->ssbStartSymbArr, 0, sizeof(SCH_MAX_SSB_BEAM)); + memcpy(cellCb->ssbStartSymbArr, ssbStartSymbArr, SCH_MAX_SSB_BEAM); + } /** - * @brief inti cellCb based on cellCfg + * @brief init cellCb based on cellCfg * * @details * @@ -346,28 +576,65 @@ uint8_t MacSchCrcInd(Pst *pst, CrcIndInfo *crcInd) **/ uint8_t schInitCellCb(Inst inst, SchCellCfg *schCellCfg) { - SchCellCb *cell; + SchCellCb *cell= NULLP; SCH_ALLOC(cell, sizeof(SchCellCb)); if(!cell) { - DU_LOG("\nMemory allocation failed in schInitCellCb"); + DU_LOG("\nERROR --> SCH : Memory allocation failed in schInitCellCb"); return RFAILED; } cell->cellId = schCellCfg->cellId; cell->instIdx = inst; - switch(schCellCfg->ssbSchCfg.scsCommon) + switch(schCellCfg->numerology) { - case SCH_SCS_15KHZ: + case SCH_NUMEROLOGY_0: + { + cell->numSlots = SCH_MU0_NUM_SLOTS; + } + break; + case SCH_NUMEROLOGY_1: + { + cell->numSlots = SCH_MU1_NUM_SLOTS; + } + break; + case SCH_NUMEROLOGY_2: + { + cell->numSlots = SCH_MU2_NUM_SLOTS; + } + break; + case SCH_NUMEROLOGY_3: + { + cell->numSlots = SCH_MU3_NUM_SLOTS; + } + break; + case SCH_NUMEROLOGY_4: { - cell->numSlots = SCH_NUM_SLOTS; + cell->numSlots = SCH_MU4_NUM_SLOTS; } break; default: - DU_LOG("\nSCS %d not supported", schCellCfg->ssbSchCfg.scsCommon); + DU_LOG("\nERROR --> SCH : Numerology %d not supported", schCellCfg->numerology); + } +#ifdef NR_TDD + schInitTddSlotCfg(cell, schCellCfg); +#endif + + SCH_ALLOC(cell->schDlSlotInfo, cell->numSlots * sizeof(SchDlSlotInfo*)); + if(!cell->schDlSlotInfo) + { + DU_LOG("\nERROR --> SCH : Memory allocation failed in schInitCellCb for schDlSlotInfo"); + return RFAILED; + } + + SCH_ALLOC(cell->schUlSlotInfo, cell->numSlots * sizeof(SchUlSlotInfo*)); + if(!cell->schUlSlotInfo) + { + DU_LOG("\nERROR --> SCH : Memory allocation failed in schInitCellCb for schUlSlotInfo"); + return RFAILED; } - for(uint8_t idx=0; idxnumSlots; idx++) { SchDlSlotInfo *schDlSlotInfo; SchUlSlotInfo *schUlSlotInfo; @@ -376,15 +643,15 @@ uint8_t schInitCellCb(Inst inst, SchCellCfg *schCellCfg) SCH_ALLOC(schDlSlotInfo, sizeof(SchDlSlotInfo)); if(!schDlSlotInfo) { - DU_LOG("\nMemory allocation failed in schInitCellCb"); - return RFAILED; + DU_LOG("\nERROR --> SCH : Memory allocation failed in schInitCellCb"); + return RFAILED; } /* UL Alloc */ SCH_ALLOC(schUlSlotInfo, sizeof(SchUlSlotInfo)); if(!schUlSlotInfo) { - DU_LOG("\nMemory allocation failed in schInitCellCb"); + DU_LOG("\nERROR --> SCH : Memory allocation failed in schInitCellCb"); return RFAILED; } @@ -395,9 +662,17 @@ uint8_t schInitCellCb(Inst inst, SchCellCfg *schCellCfg) cell->schUlSlotInfo[idx] = schUlSlotInfo; } + cell->firstSsbTransmitted = false; + cell->firstSib1Transmitted = false; + fillSsbStartSymb(cell); + cmLListInit(&cell->ueToBeScheduled); + +#ifdef NR_DRX + memset(cell->drxCb, 0, MAX_DRX_SIZE*sizeof(SchDrxCb)); +#endif schCb[inst].cells[inst] = cell; - DU_LOG("\nCell init completed for cellId:%d", cell->cellId); + DU_LOG("\nINFO --> SCH : Cell init completed for cellId:%d", cell->cellId); return ROK; } @@ -411,14 +686,14 @@ uint8_t schInitCellCb(Inst inst, SchCellCfg *schCellCfg) * * Fill SIB1 configuration * - * @param[in] Inst schInst : scheduler instance + * @param[in] uint8_t bandwidth : total available bandwidth + * uint8_t numSlots : total slots per SFN * SchSib1Cfg *sib1SchCfg : cfg to be filled * uint16_t pci : physical cell Id * uint8_t offsetPointA : offset * @return void **/ -void fillSchSib1Cfg(Inst schInst, SchSib1Cfg *sib1SchCfg, uint16_t pci, \ - uint8_t offsetPointA) +void fillSchSib1Cfg(uint8_t mu, uint8_t bandwidth, uint8_t numSlots, SchSib1Cfg *sib1SchCfg, uint16_t pci, uint8_t offsetPointA) { uint8_t coreset0Idx = 0; uint8_t searchSpace0Idx = 0; @@ -431,9 +706,9 @@ void fillSchSib1Cfg(Inst schInst, SchSib1Cfg *sib1SchCfg, uint16_t pci, \ 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 = 12; /* considering pdsch region from 2 to 13 */ + uint8_t ssbIdx = 0; PdcchCfg *pdcch = &(sib1SchCfg->sib1PdcchCfg); PdschCfg *pdsch = &(sib1SchCfg->sib1PdschCfg); @@ -459,14 +734,26 @@ void fillSchSib1Cfg(Inst schInst, SchSib1Cfg *sib1SchCfg, uint16_t pci, \ * [(O . 2^u + i . M ) ] mod numSlotsPerSubframe * assuming u = 0, i = 0, numSlotsPerSubframe = 10 * Also, from this configuration, coreset0 is only on even subframe */ - slotIndex = ((oValue * 1) + (0 * mValue)) % 10; + 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 */ - bwp->freqAlloc.numPrb = MAX_NUM_RB; /* whole of BW */ + switch(bandwidth) + { + case BANDWIDTH_20MHZ: + { + bwp->freqAlloc.numPrb = TOTAL_PRB_20MHZ_MU0; + } + break; + case BANDWIDTH_100MHZ: + { + bwp->freqAlloc.numPrb = TOTAL_PRB_100MHZ_MU1; + } + break; + default: + DU_LOG("\nERROR --> SCH : Bandwidth %d not supported", bandwidth); + + } bwp->freqAlloc.startPrb = 0; bwp->subcarrierSpacing = 0; /* 15Khz */ bwp->cyclicPrefix = 0; /* normal */ @@ -475,7 +762,11 @@ void fillSchSib1Cfg(Inst schInst, SchSib1Cfg *sib1SchCfg, uint16_t pci, \ 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 */ @@ -512,31 +803,32 @@ void fillSchSib1Cfg(Inst schInst, SchSib1Cfg *sib1SchCfg, uint16_t pci, \ pdsch->codeword[cwCount].mcsIndex = sib1SchCfg->sib1Mcs; pdsch->codeword[cwCount].mcsTable = 0; /* notqam256 */ pdsch->codeword[cwCount].rvIndex = 0; - tbSize = schCalcTbSize(sib1SchCfg->sib1PduLen); + tbSize = schCalcTbSize(sib1SchCfg->sib1PduLen + TX_PAYLOAD_HDR_LEN); pdsch->codeword[cwCount].tbSize = tbSize; } pdsch->dataScramblingId = pci; pdsch->numLayers = 1; pdsch->transmissionScheme = 0; pdsch->refPoint = 0; - pdsch->dmrs.dlDmrsSymbPos = 2; + pdsch->dmrs.dlDmrsSymbPos = 4; /* Bitmap value 00000000000100 i.e. using 3rd symbol for PDSCH DMRS */ pdsch->dmrs.dmrsConfigType = 0; /* type-1 */ pdsch->dmrs.dlDmrsScramblingId = pci; pdsch->dmrs.scid = 0; 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 = offset + SCH_SSB_NUM_PRB; /* 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.freqAlloc.startPrb = offsetPointA + SCH_SSB_NUM_PRB; + pdsch->pdschFreqAlloc.freqAlloc.numPrb = schCalcNumPrb(tbSize,sib1SchCfg->sib1Mcs, NUM_PDSCH_SYMBOL); pdsch->pdschFreqAlloc.vrbPrbMapping = 0; /* non-interleaved */ pdsch->pdschTimeAlloc.rowIndex = 1; - pdsch->pdschTimeAlloc.timeAlloc.startSymb = 2; /* spec-38.214, Table 5.1.2.1-1 */ - pdsch->pdschTimeAlloc.timeAlloc.numSymb = numPdschSymbols; + /* 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 = NUM_PDSCH_SYMBOL; pdsch->beamPdschInfo.numPrgs = 1; pdsch->beamPdschInfo.prgSize = 1; pdsch->beamPdschInfo.digBfInterfaces = 0; @@ -547,51 +839,6 @@ void fillSchSib1Cfg(Inst schInst, SchSib1Cfg *sib1SchCfg, uint16_t pci, \ } -/** - * @brief Fill SSB start symbol - * - * @details - * - * Function : fillSsbStartSymb - * - * This API stores SSB start index per beam - * - * @param[in] SchCellCb *cellCb - * @return int - * -# ROK - * -# RFAILED - **/ -void fillSsbStartSymb(SchCellCb *cellCb) -{ - uint8_t cnt, scs; - - scs = cellCb->cellCfg.ssbSchCfg.scsCommon; - uint8_t ssbStartSymbArr[SCH_MAX_SSB_BEAM]; - - memset(ssbStartSymbArr, 0, sizeof(SCH_MAX_SSB_BEAM)); - /* Determine value of "n" based on Section 4.1 of 3GPP TS 38.213 */ - switch(scs) - { - case SCH_SCS_15KHZ: - { - uint8_t symbIdx=0; - cnt = 2;/* n = 0, 1 for SCS = 15KHz */ - for(uint8_t idx=0; idxssbStartSymbArr, 0, sizeof(SCH_MAX_SSB_BEAM)); - memcpy(cellCb->ssbStartSymbArr, ssbStartSymbArr, SCH_MAX_SSB_BEAM); - -} - /** * @brief cell config from MAC to SCH. * @@ -613,24 +860,54 @@ uint8_t SchHdlCellCfgReq(Pst *pst, SchCellCfg *schCellCfg) 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; + +#ifdef CALL_FLOW_DEBUG_LOG + DU_LOG("\nCall Flow: ENTMAC -> ENTSCH : EVENT_SCH_CELL_CFG\n"); +#endif 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( - inst, - &(schCellCfg->sib1SchCfg), - schCellCfg->phyCellId, + fillSchSib1Cfg(schCellCfg->numerology, schCellCfg->bandwidth, cellCb->numSlots, + &(schCellCfg->sib1SchCfg), schCellCfg->phyCellId, schCellCfg->ssbSchCfg.ssbOffsetPointA); + + memcpy(&cellCb->cellCfg, schCellCfg, sizeof(SchCellCfg)); - + schProcPagingCfg(cellCb); + + /* Fill coreset frequencyDomainResource bitmap */ + coreset0Idx = cellCb->cellCfg.schInitialDlBwp.pdcchCommon.commonSearchSpace.coresetId; + numRbs = coresetIdxTable[coreset0Idx][1]; + offset = coresetIdxTable[coreset0Idx][3]; + fillCoresetFeqDomAllocMap(((cellCb->cellCfg.ssbSchCfg.ssbOffsetPointA - offset)/6), (numRbs/6), freqDomainResource); + covertFreqDomRsrcMapToIAPIFormat(freqDomainResource, \ + cellCb->cellCfg.schInitialDlBwp.pdcchCommon.commonSearchSpace.freqDomainRsrc); + + /* Fill K0 - K1 table for common cfg*/ + BuildK0K1Table(cellCb, &cellCb->cellCfg.schInitialDlBwp.k0K1InfoTbl, true, cellCb->cellCfg.schInitialDlBwp.pdschCommon, + pdschCfg, DEFAULT_UL_ACK_LIST_COUNT, defaultUlAckTbl); + + BuildK2InfoTable(cellCb, cellCb->cellCfg.schInitialUlBwp.puschCommon.timeDomRsrcAllocList,\ + cellCb->cellCfg.schInitialUlBwp.puschCommon.numTimeDomRsrcAlloc, &cellCb->cellCfg.schInitialUlBwp.msg3K2InfoTbl, \ + &cellCb->cellCfg.schInitialUlBwp.k2InfoTbl); /* Initializing global variables */ cellCb->actvUeBitMap = 0; cellCb->boIndBitMap = 0; + cellCb->cellCfg.schHqCfg.maxDlDataHqTx = SCH_MAX_NUM_DL_HQ_TX; + cellCb->cellCfg.schHqCfg.maxMsg4HqTx = SCH_MAX_NUM_MSG4_TX; + cellCb->cellCfg.schHqCfg.maxUlDataHqTx = SCH_MAX_NUM_UL_HQ_TX; + cellCb->cellCfg.schRachCfg.maxMsg3Tx = SCH_MAX_NUM_MSG3_TX; + /* Fill and send Cell config confirm */ memset(&rspPst, 0, sizeof(Pst)); FILL_PST_SCH_TO_MAC(rspPst, pst->dstInst); @@ -640,7 +917,6 @@ uint8_t SchHdlCellCfgReq(Pst *pst, SchCellCfg *schCellCfg) schCellCfgCfm.rsp = RSP_OK; ret = (*SchCellCfgCfmOpts[rspPst.selector])(&rspPst, &schCellCfgCfm); - return ret; } @@ -664,53 +940,72 @@ uint8_t SchHdlCellCfgReq(Pst *pst, SchCellCfg *schCellCfg) uint8_t MacSchDlRlcBoInfo(Pst *pst, DlRlcBoInfo *dlBoInfo) { uint8_t lcId = 0; - uint16_t ueIdx = 0; - uint16_t slot; + uint16_t ueId = 0; + bool isLcIdValid = false; SchUeCb *ueCb = NULLP; SchCellCb *cell = NULLP; - SchDlSlotInfo *schDlSlotInfo = NULLP; + Inst inst = pst->dstInst-SCH_INST_START; - Inst inst = pst->dstInst-SCH_INST_START; - DU_LOG("\nSCH : Received RLC BO Status indication"); +#ifdef CALL_FLOW_DEBUG_LOG + DU_LOG("\nCall Flow: ENTMAC -> ENTSCH : EVENT_DL_RLC_BO_INFO_TO_SCH\n"); +#endif + DU_LOG("\nDEBUG --> SCH : Received RLC BO Status indication LCId [%d] BO [%d]", dlBoInfo->lcId, dlBoInfo->dataVolume); cell = schCb[inst].cells[inst]; - GET_UE_IDX(dlBoInfo->crnti, ueIdx); - ueCb = &cell->ueCb[ueIdx-1]; - lcId = dlBoInfo->lcId; + if(cell == NULLP) + { + DU_LOG("\nERROR --> SCH : MacSchDlRlcBoInfo(): Cell does not exists"); + return RFAILED; + } - if(lcId == SRB1_LCID || lcId == SRB2_LCID || lcId == SRB3_LCID || \ - (lcId >= MIN_DRB_LCID && lcId <= MAX_DRB_LCID)) + GET_UE_ID(dlBoInfo->crnti, ueId); + ueCb = &cell->ueCb[ueId-1]; + if(ueCb->ueCfg.dataTransmissionAction == STOP_DATA_TRANSMISSION) { - SET_ONE_BIT(ueIdx, cell->boIndBitMap); - ueCb->dlInfo.dlLcCtxt[lcId].bo = dlBoInfo->dataVolume; + DU_LOG("INFO --> SCH : DL Data transmission not allowed for UE %d", ueCb->ueCfg.ueId); + return ROK; } - else if(lcId != SRB0_LCID) + + lcId = dlBoInfo->lcId; + CHECK_LCID(lcId, isLcIdValid); + if(isLcIdValid == FALSE) { - DU_LOG("\nSCH : Invalid LC Id %d in MacSchDlRlcBoInfo", lcId); + DU_LOG("ERROR --> SCH: LCID:%d is not valid", lcId); return RFAILED; } - slot = (cell->slotInfo.slot + SCHED_DELTA + PHY_DELTA + BO_DELTA) % SCH_NUM_SLOTS; - schDlSlotInfo = cell->schDlSlotInfo[slot]; - - SCH_ALLOC(schDlSlotInfo->dlMsgInfo, sizeof(DlMsgInfo)); - if(!schDlSlotInfo->dlMsgInfo) + /*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) { - DU_LOG("\nSCH : Memory allocation failed for dlMsgInfo"); - schDlSlotInfo = NULL; - return RFAILED; + /* TODO : Check the LC is Dedicated or default and accordingly LCList + * will be used*/ + return ROK; } - 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; + 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 */ + addUeToBeScheduled(cell, ueId); return ROK; } @@ -736,18 +1031,48 @@ uint8_t MacSchBsr(Pst *pst, UlBufferStatusRptInd *bsrInd) Inst schInst = pst->dstInst-SCH_INST_START; SchCellCb *cellCb = NULLP; SchUeCb *ueCb = NULLP; - uint8_t lcgIdx; + uint8_t lcgIdx = 0; + +#ifdef CALL_FLOW_DEBUG_LOG + DU_LOG("\nCall Flow: ENTMAC -> ENTSCH : EVENT_SHORT_BSR\n"); +#endif - DU_LOG("\nSCH : Received BSR"); + 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[lcgIdx].priority = 1; //TODO: determining LCG priority? - ueCb->bsrInfo[lcgIdx].dataVol = bsrInd->dataVolInfo[lcgIdx].dataVol; + 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 */ + addUeToBeScheduled(cellCb, ueCb->ueId); return ROK; } @@ -775,16 +1100,1187 @@ uint8_t MacSchSrUciInd(Pst *pst, SrUciIndInfo *uciInd) SchUeCb *ueCb; SchCellCb *cellCb = schCb[inst].cells[inst]; - DU_LOG("\nSCH : Received SR"); +#ifdef CALL_FLOW_DEBUG_LOG + DU_LOG("\nCall Flow: ENTMAC -> ENTSCH : EVENT_UCI_IND_TO_SCH\n"); +#endif + + 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; + ueCb->srRcvd = true; + /* Adding UE Id to list of pending UEs to be scheduled */ + addUeToBeScheduled(cellCb, ueCb->ueId); } return ROK; } + +/******************************************************************* + * + * @brief Processes DL HARQ indication from MAC + * + * @details + * + * Function : MacSchDlHarqInd + * + * Functionality: + * Processes DL HARQ indication from MAC + * + * @params[in] Post structure + * DL HARQ Indication + * @return ROK - success + * RFAILED - failure + * + * ****************************************************************/ +uint8_t MacSchDlHarqInd(Pst *pst, DlHarqInd *dlHarqInd) +{ + Inst inst = pst->dstInst-SCH_INST_START; + SchUeCb *ueCb; + SchCellCb *cellCb = schCb[inst].cells[inst]; + +#ifdef CALL_FLOW_DEBUG_LOG + DU_LOG("\nCall Flow: ENTMAC -> ENTSCH : EVENT_DL_HARQ_IND_TO_SCH\n"); +#endif + + 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.ssbSchCfg.ssbOffsetPointA; + broadcastPrbEnd = broadcastPrbStart + SCH_SSB_NUM_PRB + cell->cellCfg.sib1SchCfg.sib1PdschCfg.pdschFreqAlloc.freqAlloc.numPrb -1; + } + else if(ssbOccasion) + { + broadcastPrbStart = cell->cellCfg.ssbSchCfg.ssbOffsetPointA; + broadcastPrbEnd = broadcastPrbStart + SCH_SSB_NUM_PRB -1; + } + else if(sib1Occasion) + { + broadcastPrbStart = cell->cellCfg.sib1SchCfg.sib1PdschCfg.pdschFreqAlloc.freqAlloc.startPrb; + broadcastPrbEnd = broadcastPrbStart + cell->cellCfg.sib1SchCfg.sib1PdschCfg.pdschFreqAlloc.freqAlloc.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.schRachCfg.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 Add UE to ueToBeScheduled List + * + * @details + * + * Function : addUeToBeScheduled + * + * Functionality: + * Search if UE entry present in the list + * If yes, return. + * If no, add UE to the list + * + * @params[in] Cell control block + * Ue Idx to be added + * + * @return ROK - success + * RFAILED - failure + * + * ****************************************************************/ +uint8_t addUeToBeScheduled(SchCellCb *cell, uint8_t ueIdToAdd) +{ + uint8_t *ueId; + CmLList *node; + + /* Search if UE entry is already present in ueToBeScheduled list. + * If yes, another entry for same UE not needed. Hence, return */ + node = cell->ueToBeScheduled.first; + while(node) + { + ueId = (uint8_t *)node->node; + if(*ueId == ueIdToAdd) + return ROK; + node = node->next; + } + + /* If UE entry not present already, add UE to the end of ueToBeScheduled list */ + SCH_ALLOC(ueId, sizeof(uint8_t)); + if(!ueId) + { + DU_LOG("\nERROR --> SCH : Memory allocation failure in addUeToBeScheduled"); + return RFAILED; + } + *ueId = ueIdToAdd; + if(addNodeToLList(&cell->ueToBeScheduled, ueId, NULLP) != ROK) + { + DU_LOG("\nERROR --> SCH : Failed to add ueId [%d] to cell->ueToBeScheduled list", *ueId); + return RFAILED; + } + 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.ssbSchCfg.ssbOffsetPointA; + reservedPrbEnd = reservedPrbStart + SCH_SSB_NUM_PRB + \ + cell->cellCfg.sib1SchCfg.sib1PdschCfg.pdschFreqAlloc.freqAlloc.numPrb -1; + } + else if(ssbOccasion) + { + reservedPrbStart = cell->cellCfg.ssbSchCfg.ssbOffsetPointA; + reservedPrbEnd = reservedPrbStart + SCH_SSB_NUM_PRB -1; + } + else if(sib1Occasion) + { + reservedPrbStart = cell->cellCfg.sib1SchCfg.sib1PdschCfg.pdschFreqAlloc.freqAlloc.startPrb; + reservedPrbEnd = reservedPrbStart + cell->cellCfg.sib1SchCfg.sib1PdschCfg.pdschFreqAlloc.freqAlloc.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.schRachCfg.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; + + SchSliceCfgRspOpts[rspPst.selector](&rspPst, &sliceCfgRsp); + +} +/******************************************************************************* + * + * @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(bool sliceRecfg, SchSliceCfg *storedSliceCfg, SchCellCb *cellCb, SchSliceCfgReq *schSliceCfgReq, SchSliceCfgRsp *schSliceCfgRsp, uint8_t *count) +{ + bool sliceFound = false; + uint8_t cfgIdx = 0, sliceIdx = 0; + + schSliceCfgRsp->numSliceCfgRsp = schSliceCfgReq->numOfConfiguredSlice; + SCH_ALLOC(schSliceCfgRsp->listOfSliceCfgRsp, schSliceCfgRsp->numSliceCfgRsp * sizeof(SliceRsp*)); + if(schSliceCfgRsp->listOfSliceCfgRsp == NULLP) + { + DU_LOG("\nERROR --> SCH : Memory allocation failed at fillSliceCfgRsp"); + return RFAILED; + } + + for(cfgIdx = 0; cfgIdxnumSliceCfgRsp ; cfgIdx++) + { + sliceFound = false; + /* Here comparing the slice cfg request with the slice stored in cellCfg */ + if(sliceRecfg != true) + { + for(sliceIdx = 0; sliceIdxcellCfg.plmnInfoList.numSliceSupport; sliceIdx++) + { + if(!memcmp(&schSliceCfgReq->listOfConfirguration[cfgIdx]->snssai, cellCb->cellCfg.plmnInfoList.snssai[sliceIdx], sizeof(Snssai))) + { + (*count)++; + sliceFound = true; + break; + } + } + } + else + { + /* Here comparing the slice cfg request with the slice stored in SchDb */ + if(storedSliceCfg->listOfConfirguration) + { + for(sliceIdx = 0; sliceIdxnumOfSliceConfigured; sliceIdx++) + { + if(!memcmp(&schSliceCfgReq->listOfConfirguration[cfgIdx]->snssai, &storedSliceCfg->listOfConfirguration[sliceIdx]->snssai,\ + sizeof(Snssai))) + { + (*count)++; + sliceFound = true; + break; + } + } + } + } + + SCH_ALLOC(schSliceCfgRsp->listOfSliceCfgRsp[cfgIdx], sizeof(SliceRsp)); + if(schSliceCfgRsp->listOfSliceCfgRsp[cfgIdx] == NULLP) + { + DU_LOG("\nERROR --> SCH : Failed to allocate memory in fillSliceCfgRsp"); + return RFAILED; + } + + + schSliceCfgRsp->listOfSliceCfgRsp[cfgIdx]->snssai = schSliceCfgReq->listOfConfirguration[cfgIdx]->snssai; + if(sliceFound == true) + schSliceCfgRsp->listOfSliceCfgRsp[cfgIdx]->rsp = RSP_OK; + else + { + schSliceCfgRsp->listOfSliceCfgRsp[cfgIdx]->rsp = RSP_NOK; + schSliceCfgRsp->listOfSliceCfgRsp[cfgIdx]->cause = SLICE_NOT_FOUND; + } + } + return ROK; +} + +/******************************************************************************* + * + * @brief This function is used to store the slice configuration Sch DB + * + * @details + * + * Function : addSliceCfgInSchDb + * + * Functionality: + * function is used to store the slice configuration Sch DB + * + * @params[in] SchSliceCfg *storeSliceCfg, SchSliceCfgReq *cfgReq, + * SchSliceCfgRsp cfgRsp, uint8_t count + * + * @return + * ROK - Success + * RFAILED - Failure + * + * ********************************************************************************/ +uint8_t addSliceCfgInSchDb(SchSliceCfg *storeSliceCfg, SchSliceCfgReq *cfgReq, SchSliceCfgRsp cfgRsp, uint8_t count) +{ + uint8_t cfgIdx = 0, sliceIdx = 0; + + if(count) + { + storeSliceCfg->numOfSliceConfigured = count; + SCH_ALLOC(storeSliceCfg->listOfConfirguration, storeSliceCfg->numOfSliceConfigured * sizeof(SchRrmPolicyOfSlice*)); + if(storeSliceCfg->listOfConfirguration == NULLP) + { + DU_LOG("\nERROR --> SCH : Failed to allocate memory in addSliceCfgInSchDb"); + return RFAILED; + } + + for(cfgIdx = 0; cfgIdxnumOfSliceConfigured; cfgIdx++) + { + if(cfgRsp.listOfSliceCfgRsp[cfgIdx]->rsp == RSP_OK) + { + SCH_ALLOC(storeSliceCfg->listOfConfirguration[sliceIdx], sizeof(SchRrmPolicyOfSlice)); + if(storeSliceCfg->listOfConfirguration[sliceIdx] == NULLP) + { + DU_LOG("\nERROR --> SCH : Failed to allocate memory in addSliceCfgInSchDb"); + return RFAILED; + } + + SCH_ALLOC(storeSliceCfg->listOfConfirguration[sliceIdx]->rrmPolicyRatioInfo, sizeof(SchRrmPolicyRatio)); + if(storeSliceCfg->listOfConfirguration[sliceIdx]->rrmPolicyRatioInfo == NULLP) + { + DU_LOG("\nERROR --> SCH : Failed to allocate memory in addSliceCfgInSchDb"); + return RFAILED; + } + + memcpy(&storeSliceCfg->listOfConfirguration[sliceIdx]->snssai, &cfgReq->listOfConfirguration[sliceIdx]->snssai, sizeof(Snssai)); + memcpy(storeSliceCfg->listOfConfirguration[sliceIdx]->rrmPolicyRatioInfo, cfgReq->listOfConfirguration[sliceIdx]->rrmPolicyRatioInfo, + sizeof(SchRrmPolicyRatio)); + sliceIdx++; + } + } + } + return ROK; +} + +/******************************************************************************* + * + * @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->listOfConfirguration[cfgIdx]) + { + SCH_FREE(sliceCfgReq->listOfConfirguration[cfgIdx]->rrmPolicyRatioInfo, sizeof(SchRrmPolicyRatio)); + SCH_FREE(sliceCfgReq->listOfConfirguration[cfgIdx], sizeof(SchRrmPolicyOfSlice)); + } + } + SCH_FREE(sliceCfgReq->listOfConfirguration, sliceCfgReq->numOfConfiguredSlice * sizeof(SchRrmPolicyOfSlice*)); + } + SCH_FREE(sliceCfgReq, sizeof(SchSliceCfgReq)); + } +} +/******************************************************************************* + * + * @brief This function is used to store the slice configuration Sch DB + * + * @details + * + * Function : MacSchSliceCfgReq + * + * Functionality: + * function is used to store the slice configuration Sch DB + * + * @params[in] Pst *pst, SchSliceCfgReq *schSliceCfgReq + * + * @return + * ROK - Success + * RFAILED - Failure + * + * ********************************************************************************/ +uint8_t MacSchSliceCfgReq(Pst *pst, SchSliceCfgReq *schSliceCfgReq) +{ + uint8_t count = 0; + Inst inst = pst->dstInst - SCH_INST_START; + SchSliceCfgRsp sliceCfgRsp; + + DU_LOG("\nINFO --> SCH : Received Slice Cfg request from MAC"); + if(schSliceCfgReq) + { + if(schSliceCfgReq->listOfConfirguration) + { + /* filling the slice configuration response of each slice */ + if(fillSliceCfgRsp(false, NULLP, schCb[inst].cells[0], schSliceCfgReq, &sliceCfgRsp, &count) != ROK) + { + DU_LOG("\nERROR --> SCH : Failed to fill the slice cfg rsp"); + return RFAILED; + } + + if(addSliceCfgInSchDb(&schCb[inst].sliceCfg, schSliceCfgReq, sliceCfgRsp, count) != ROK) + { + DU_LOG("\nERROR --> SCH : Failed to add slice cfg in sch database"); + return RFAILED; + } + freeSchSliceCfgReq(schSliceCfgReq); + SchSendSliceCfgRspToMac(inst, sliceCfgRsp); + } + } + else + { + DU_LOG("\nERROR --> SCH : Received SchSliceCfgReq is NULL"); + } + return ROK; +} + +/******************************************************************************* + * + * @brief This function is used to store the slice reconfiguration Sch DB + * + * @details + * + * Function : modifySliceCfgInSchDb + * + * Functionality: + * function is used to store the slice re configuration Sch DB + * + * @params[in] Pst *pst, SchSliceCfgReq *schSliceCfgReq + * + * @return + * ROK - Success + * RFAILED - Failure + * + * ********************************************************************************/ +uint8_t modifySliceCfgInSchDb(SchSliceCfg *storeSliceCfg, SchSliceRecfgReq *recfgReq, SchSliceRecfgRsp recfgRsp, uint8_t count) +{ + uint8_t cfgIdx = 0, sliceIdx = 0; + + if(count) + { + if(storeSliceCfg->listOfConfirguration == NULLP) + { + DU_LOG("\nINFO --> SCH : Memory allocation failed in modifySliceCfgInSchDb"); + return RFAILED; + } + + for(cfgIdx = 0; cfgIdxnumOfConfiguredSlice; cfgIdx++) + { + if(recfgRsp.listOfSliceCfgRsp[cfgIdx]->rsp == RSP_OK) + { + for(sliceIdx = 0; sliceIdxnumOfSliceConfigured; sliceIdx++) + { + if(!memcmp(&storeSliceCfg->listOfConfirguration[sliceIdx]->snssai, &recfgReq->listOfConfirguration[cfgIdx]->snssai, sizeof(Snssai))) + { + memcpy(storeSliceCfg->listOfConfirguration[sliceIdx]->rrmPolicyRatioInfo, recfgReq->listOfConfirguration[cfgIdx]->rrmPolicyRatioInfo, + sizeof(SchRrmPolicyRatio)); + break; + } + } + } + } + } + freeSchSliceCfgReq(recfgReq); + return ROK; +} +/******************************************************************************* + * + * @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; + + SchSliceRecfgRspOpts[rspPst.selector](&rspPst, &schSliceRecfgRsp); +} +/******************************************************************************* + * + * @brief This function is used to store the slice reconfiguration Sch DB + * + * @details + * + * Function : MacSchSliceRecfgReq + * + * 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 MacSchSliceRecfgReq(Pst *pst, SchSliceRecfgReq *schSliceRecfgReq) +{ + uint8_t count = 0; + Inst inst = pst->dstInst - SCH_INST_START; + SchSliceRecfgRsp schSliceRecfgRsp; + + DU_LOG("\nINFO --> SCH : Received Slice ReCfg request from MAC"); + if(schSliceRecfgReq) + { + if(schSliceRecfgReq->listOfConfirguration) + { + /* filling the slice configuration response of each slice */ + if(fillSliceCfgRsp(true, &schCb[inst].sliceCfg, NULLP, schSliceRecfgReq, &schSliceRecfgRsp, &count) != ROK) + { + DU_LOG("\nERROR --> SCH : Failed to fill sch slice cfg response"); + return RFAILED; + } + + /* Modify the slice configuration stored in schCb */ + if(modifySliceCfgInSchDb(&schCb[inst].sliceCfg, schSliceRecfgReq, schSliceRecfgRsp, count) != ROK) + { + DU_LOG("\nERROR --> SCH : Failed to modify slice cfg of SchDb"); + return RFAILED; + } + SchSendSliceRecfgRspToMac(inst, schSliceRecfgRsp); + } + } + else + { + DU_LOG("\nERROR --> SCH : Received SchSliceRecfgReq is NULL"); + } + return ROK; +} + +/**************************************************************************** + * + * @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) +{ + PageCfg *pageCfgRcvd = NULL; + uint8_t i_sIdx = 0; + + pageCfgRcvd = &(cell->cellCfg.sib1SchCfg.pageCfg); + + 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.sib1SchCfg.pageCfg.numPO; + uint8_t totalNumSsb = cell->cellCfg.ssbSchCfg.totNumSsb; + 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 : MacSchPagingInd + * + * Functionality: Process paging indication at SCH recevied form MAC + * + * @params[in] Pst *pst, SchPageInd *pageInd + * + * @return void + * + *************************************************************************/ +uint8_t MacSchPagingInd(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.sib1SchCfg.pageCfg.numPO) + { + DU_LOG("\nERROR --> SCH : MacSchPagingInd(): 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 : MacSchPagingInd(): 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 : MacSchPagingInd(): Failed to store paging record"); + } + } + } + else + { + DU_LOG("\nERROR --> SCH : MacSchPagingInd(): 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 : MacSchPagingInd(): Received null pointer"); + } + return ret; +} /********************************************************************** End of file **********************************************************************/