X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?a=blobdiff_plain;f=src%2F5gnrsch%2Fsch_common.c;h=d7b4016a7d9d42c9ae89df3a54ca741981e6f285;hb=f73456bd55152c329601f8286ae67fe9875025bc;hp=22c4dc53a53d47dbb4d511f5b7da565171a0a833;hpb=fdf994581c1b672158c911a9a5f7a4191832c695;p=o-du%2Fl2.git diff --git a/src/5gnrsch/sch_common.c b/src/5gnrsch/sch_common.c index 22c4dc53a..d7b4016a7 100644 --- a/src/5gnrsch/sch_common.c +++ b/src/5gnrsch/sch_common.c @@ -41,88 +41,143 @@ File: sch_common.c #include "du_app_mac_inf.h" #include "mac_sch_interface.h" #include "sch.h" +#include "sch_tmr.h" #include "sch_utils.h" -SchCb schCb[SCH_MAX_INST]; -uint16_t prachCfgIdxTable[MAX_PRACH_CONFIG_IDX][8]; -uint16_t numRbForPrachTable[MAX_RACH_NUM_RB_IDX][5]; -uint8_t pucchResourceSet[MAX_PUCCH_RES_SET_IDX][4]; - -SchMacUlSchInfoFunc schMacUlSchInfoOpts[] = -{ - packSchMacUlSchInfo, - MacProcUlSchInfo, - packSchMacUlSchInfo -}; - /** * @brief common resource allocation for SSB * * @details * - * Function : schBroadcastAlloc + * Function : schBroadcastSsbAlloc * - * This function handles common scheduling for DL + * This function handles common scheduling for SSB * * @param[in] SchCellCb *cell, cell cb * @param[in] DlBrdcstAlloc *dlBrdcstAlloc, DL brdcst allocation * @return void **/ -uint8_t schBroadcastAlloc(SchCellCb *cell, DlBrdcstAlloc *dlBrdcstAlloc, - uint16_t slot) +uint8_t schBroadcastSsbAlloc(SchCellCb *cell, SlotTimingInfo slotTime, DlBrdcstAlloc *dlBrdcstAlloc) { /* schedule SSB */ - uint8_t ssbStartPrb, ssbStartSymb, idx; + uint8_t ssbStartSymb, idx; + uint16_t ssbStartPrb; SchDlSlotInfo *schDlSlotInfo; SsbInfo ssbInfo; - schDlSlotInfo = cell->schDlSlotInfo[slot]; + if(cell == NULL) + { + DU_LOG("\nERROR --> SCH: schBroadcastSsbAlloc() : Cell is NULL"); + return RFAILED; + } - if(dlBrdcstAlloc->ssbTrans) + if(dlBrdcstAlloc == NULL) { - ssbStartPrb = cell->cellCfg.ssbSchCfg.ssbOffsetPointA; //+Kssb - ssbStartSymb = cell->ssbStartSymbArr[dlBrdcstAlloc->ssbIdxSupported-1]; /*since we are - supporting only 1 ssb beam */ + DU_LOG("\nERROR --> SCH: schBroadcastSsbAlloc() : dlBrdcstAlloc is NULL"); + return RFAILED; + } - /* Assign interface structure */ - for(idx=0; idxssbIdxSupported; idx++) - { - ssbInfo.ssbIdx = idx; - ssbInfo.fdAlloc.startPrb = ssbStartPrb; - ssbInfo.fdAlloc.numPrb = SCH_SSB_NUM_PRB; - ssbInfo.tdAlloc.startSymb = ssbStartSymb; - ssbInfo.tdAlloc.numSymb = SCH_SSB_NUM_SYMB; - dlBrdcstAlloc->ssbInfo[idx] = ssbInfo; - schDlSlotInfo->ssbInfo[idx] = ssbInfo; - } + schDlSlotInfo = cell->schDlSlotInfo[slotTime.slot]; + ssbStartPrb = cell->cellCfg.ssbSubcOffset; //+Kssb + ssbStartSymb = cell->ssbStartSymbArr[dlBrdcstAlloc->ssbIdxSupported-1]; /*since we are supporting only 1 ssb beam */ - schDlSlotInfo->ssbPres = true; - schDlSlotInfo->ssbIdxSupported = dlBrdcstAlloc->ssbIdxSupported; - for(idx=ssbStartSymb; idxassignedPrb[idx] = ssbStartPrb + SCH_SSB_NUM_PRB + 1; /* +1 for kSsb */ - } + /* Assign interface structure */ + for(idx=0; idxssbIdxSupported; idx++) + { + ssbInfo.ssbIdx = idx; + ssbInfo.fdAlloc.startPrb = ssbStartPrb; + ssbInfo.fdAlloc.numPrb = SCH_SSB_NUM_PRB; + ssbInfo.tdAlloc.startSymb = ssbStartSymb; + ssbInfo.tdAlloc.numSymb = SCH_SSB_NUM_SYMB; + dlBrdcstAlloc->ssbInfo[idx] = ssbInfo; + schDlSlotInfo->ssbInfo[idx] = ssbInfo; } - /* SIB1 allocation */ - if(dlBrdcstAlloc->sib1Trans) + if((allocatePrbDl(cell, slotTime, ssbStartSymb, SCH_SSB_NUM_SYMB, &ssbInfo.fdAlloc.startPrb, ssbInfo.fdAlloc.numPrb)) != ROK) { - uint16_t tbSize = 0; - uint8_t numPdschSymbols = 12; /* considering pdsch region from 2 to 13 */ - uint8_t mcs = 4; /* MCS fixed to 4 */ - uint8_t numSib1Prb = 0; - schDlSlotInfo->sib1Pres = true; + DU_LOG("\nERROR --> SCH: PRB allocation failed for SSB in SFN:SLOT [%d : %d]", slotTime.sfn, slotTime.slot); + return RFAILED; + } - tbSize = schCalcTbSize(cell->cellCfg.sib1SchCfg.sib1PduLen); /* send this value to the func in bytes when considering sib1 size */ - numSib1Prb = schCalcNumPrb(tbSize,mcs,numPdschSymbols); - for(idx=0; idxassignedPrb[idx] = ssbStartPrb + SCH_SSB_NUM_PRB + 1 + numSib1Prb; /* 10 PRBs for sib1 */ - } - memcpy(&dlBrdcstAlloc->sib1Alloc.bwp, &cell->cellCfg.sib1SchCfg.bwp, sizeof(BwpCfg)); - memcpy(&dlBrdcstAlloc->sib1Alloc.sib1PdcchCfg, &cell->cellCfg.sib1SchCfg.sib1PdcchCfg, sizeof(PdcchCfg)); - memcpy(&dlBrdcstAlloc->sib1Alloc.sib1PdschCfg, &cell->cellCfg.sib1SchCfg.sib1PdschCfg, sizeof(PdschCfg)); - dlBrdcstAlloc->sib1Alloc.sib1PdcchCfg.dci.pdschCfg = &dlBrdcstAlloc->sib1Alloc.sib1PdschCfg; + + schDlSlotInfo->ssbPres = true; + schDlSlotInfo->ssbIdxSupported = dlBrdcstAlloc->ssbIdxSupported; + return ROK; +} + +/** + * @brief common resource allocation for SIB1 + * + * @details + * + * Function : schBroadcastSib1Alloc + * + * This function handles common scheduling for SIB1 + * + * @param[in] SchCellCb *cell, cell cb + * @param[in] DlBrdcstAlloc *dlBrdcstAlloc, DL brdcst allocation + * @return void + **/ +uint8_t schBroadcastSib1Alloc(SchCellCb *cell, SlotTimingInfo slotTime, DlBrdcstAlloc *dlBrdcstAlloc) +{ + uint8_t dmrsStartSymbol, startSymbol, numSymbol ; + DmrsInfo dmrs; + PdschFreqAlloc freqAlloc; + PdschTimeAlloc timeAlloc; + SchDlSlotInfo *schDlSlotInfo = NULLP; + + if(cell == NULL) + { + DU_LOG("\nERROR --> SCH: schBroadcastSsbAlloc() : Cell is NULL"); + return RFAILED; + } + + if(dlBrdcstAlloc == NULL) + { + DU_LOG("\nERROR --> SCH: schBroadcastSsbAlloc() : dlBrdcstAlloc is NULL"); + return RFAILED; + } + + dlBrdcstAlloc->crnti = SI_RNTI; + dmrs = cell->sib1SchCfg.sib1PdcchCfg.dci.pdschCfg.dmrs; + freqAlloc = cell->sib1SchCfg.sib1PdcchCfg.dci.pdschCfg.pdschFreqAlloc; + timeAlloc = cell->sib1SchCfg.sib1PdcchCfg.dci.pdschCfg.pdschTimeAlloc; + schDlSlotInfo = cell->schDlSlotInfo[slotTime.slot]; + + /* Find total symbols used including DMRS */ + /* If there are no DRMS symbols, findDmrsStartSymbol() returns MAX_SYMB_PER_SLOT, + * in that case only PDSCH symbols are marked as occupied */ + dmrsStartSymbol = findDmrsStartSymbol(dmrs.dlDmrsSymbPos); + if(dmrsStartSymbol == MAX_SYMB_PER_SLOT) + { + startSymbol = timeAlloc.startSymb; + numSymbol = timeAlloc.numSymb; + } + /* If DMRS symbol is found, mark DMRS and PDSCH symbols as occupied */ + else + { + startSymbol = dmrsStartSymbol; + numSymbol = dmrs.nrOfDmrsSymbols + timeAlloc.numSymb; + } + + /* Allocate PRB */ + if((allocatePrbDl(cell, slotTime, startSymbol, numSymbol, &freqAlloc.startPrb, freqAlloc.numPrb)) != ROK) + { + DU_LOG("\nERROR --> SCH: PRB allocation failed for SIB1 in SFN:Slot [%d : %d]", slotTime.sfn, slotTime.slot); + return RFAILED; + } + + memcpy(&dlBrdcstAlloc->sib1Alloc.bwp, &cell->sib1SchCfg.bwp, sizeof(BwpCfg)); + SCH_ALLOC(dlBrdcstAlloc->sib1Alloc.sib1PdcchCfg,sizeof(PdcchCfg)); + if(dlBrdcstAlloc->sib1Alloc.sib1PdcchCfg) + { + memcpy(dlBrdcstAlloc->sib1Alloc.sib1PdcchCfg, &cell->sib1SchCfg.sib1PdcchCfg, sizeof(PdcchCfg)); + schDlSlotInfo->sib1Pres = true; + } + else + { + DU_LOG("\nERROR --> SCH : Memory allocation failed in %s", __func__); + return RFAILED; } return ROK; } @@ -151,92 +206,9 @@ int sendUlSchInfoToMac(UlSchedInfo *ulSchedInfo, Inst inst) FILL_PST_SCH_TO_MAC(pst, inst); pst.event = EVENT_UL_SCH_INFO; - return(*schMacUlSchInfoOpts[pst.selector])(&pst, ulSchedInfo); -} -/** - * @brief resource allocation for PRACH - * - * @details - * - * Function : schPrachResAlloc - * - * This function handles PRACH allocation - * - * @param[in] SchCellCb *cell, cell cb - * @param[in] UlSchedInfo *ulSchedInfo, UL scheduling info - * @return void - **/ -void schPrachResAlloc(SchCellCb *cell, UlSchedInfo *ulSchedInfo, SlotIndInfo prachOccasionTimingInfo) -{ - uint8_t puschScs; - uint8_t numPrachRb = 0; - uint8_t numRa = 0; - uint8_t freqStart = 0; - uint8_t prachCfgIdx = 0; - uint8_t prachFormat = 0; - uint8_t x = 0; - uint8_t y = 0; - uint16_t prachSubframe = 0; - uint8_t prachStartSymbol = 0; - uint8_t prachOcas = 0; - uint8_t dataType = 0; - uint8_t idx = 0; - SchUlSlotInfo *schUlSlotInfo = NULLP; - - puschScs = cell->cellCfg.schInitialUlBwp.bwp.scs; - schUlSlotInfo = cell->schUlSlotInfo[prachOccasionTimingInfo.slot]; - prachCfgIdx = cell->cellCfg.schRachCfg.prachCfgIdx; - - /* derive the prachCfgIdx table paramters */ - x = prachCfgIdxTable[prachCfgIdx][1]; - y = prachCfgIdxTable[prachCfgIdx][2]; - prachSubframe = prachCfgIdxTable[prachCfgIdx][3]; - - if((prachOccasionTimingInfo.sfn%x) == y) - { - /* check for subFrame number */ - if ((1 << prachOccasionTimingInfo.slot) & prachSubframe) - { - /* prach ocassion present in this subframe */ - - prachFormat = prachCfgIdxTable[prachCfgIdx][0]; - prachStartSymbol = prachCfgIdxTable[prachCfgIdx][4]; - prachOcas = prachCfgIdxTable[prachCfgIdx][6]; - - /* freq domain resource determination for RACH*/ - freqStart = cell->cellCfg.schRachCfg.msg1FreqStart; - /* numRa determined as 𝑛 belonging {0,1,.., M − 1}, - * where M is given by msg1Fdm */ - numRa = (cell->cellCfg.schRachCfg.msg1Fdm - 1); - for(idx=0; idxcellCfg.schRachCfg.rootSeqLen) - { - if(numRbForPrachTable[idx][1] == cell->cellCfg.schRachCfg.prachSubcSpacing) - { - if(numRbForPrachTable[idx][2] == puschScs) - { - break; - } - } - } - } - numPrachRb = numRbForPrachTable[idx][3]; - dataType |= SCH_DATATYPE_PRACH; - /* Considering first slot in the frame for PRACH */ - idx = 0; - schUlSlotInfo->assignedPrb[idx] = freqStart+numPrachRb; - } - ulSchedInfo->dataType = dataType; - /* prach info */ - ulSchedInfo->prachSchInfo.numPrachOcas = prachOcas; - ulSchedInfo->prachSchInfo.prachFormat = prachFormat; - ulSchedInfo->prachSchInfo.numRa = numRa; - ulSchedInfo->prachSchInfo.prachStartSymb = prachStartSymbol; - } + return(MacMessageRouter(&pst, (void *)ulSchedInfo)); } - /** * @brief Function to fill Pucch Format 0 * @@ -311,23 +283,24 @@ uint8_t fillUlSchedPucchFormat(uint8_t pucchFormat, SchPucchInfo *ulSchedPucch,\ { case PUCCH_FORMAT_0: { - if(resrcInfo) + if(resrcInfo) fillPucchFormat0(ulSchedPucch, resrcInfo); return ret; - } + } case PUCCH_FORMAT_1: { - if(resrcInfo) - { + if(resrcInfo) + { fillPucchFormat1(ulSchedPucch, resrcInfo); - } - if(formatCfg) - { - memcpy(&ulSchedPucch->cmnFormatCfg, formatCfg, sizeof(SchPucchFormatCfg)); - } - return ret; - }/* To Add support for more Pucch Format */ - + } + if(formatCfg) + { + ulSchedPucch->addDmrs = formatCfg->addDmrs; + ulSchedPucch->pi2BPSK = formatCfg->pi2BPSK; + } + return ret; + }/* To Add support for more Pucch Format */ + default: DU_LOG("\nERROR --> SCH : Invalid PUCCH format[%d] in fillUlSchedPucchFormatCfg()", pucchFormat); ret = RFAILED; @@ -350,12 +323,14 @@ uint8_t fillUlSchedPucchFormat(uint8_t pucchFormat, SchPucchInfo *ulSchedPucch,\ * @return void **/ -uint8_t fillUlSchedPucchDedicatedCfg(uint16_t numSlots, SchPucchCfg *pucchDedCfg,\ - SlotIndInfo *slotInfo, SchPucchInfo *ulSchedPucch) +uint8_t fillUlSchedPucchDedicatedCfg(SchCellCb *cell, SchPucchCfg *pucchDedCfg,\ + SlotTimingInfo *slotInfo, SchPucchInfo *ulSchedPucch) { uint8_t ret, resrcSetIdx, resrcIdx, schedReqIdx, srPeriodicity = 0; uint16_t srOffset = 0; - + uint16_t numSlots = cell->numSlots; + bool isAllocated = false; + uint16_t pucchStartPrb; ret = ROK; if(pucchDedCfg->resrcSet && pucchDedCfg->resrc) { @@ -365,28 +340,43 @@ uint8_t fillUlSchedPucchDedicatedCfg(uint16_t numSlots, SchPucchCfg *pucchDedCfg for(resrcIdx = 0; resrcIdx < pucchDedCfg->resrc->resrcToAddModListCount; resrcIdx++) { if(pucchDedCfg->resrcSet->resrcSetToAddModList[resrcSetIdx].resrcList[resrcSetIdx] ==\ - pucchDedCfg->resrc->resrcToAddModList[resrcIdx].resrcId) - { + pucchDedCfg->resrc->resrcToAddModList[resrcIdx].resrcId) + { ulSchedPucch->intraFreqHop = pucchDedCfg->resrc->resrcToAddModList[resrcIdx].intraFreqHop; ulSchedPucch->secondPrbHop = pucchDedCfg->resrc->resrcToAddModList[resrcIdx].secondPrbHop; ulSchedPucch->fdAlloc.startPrb = pucchDedCfg->resrc->resrcToAddModList[resrcIdx].startPrb; - ulSchedPucch->pucchFormat = pucchDedCfg->resrc->resrcToAddModList[resrcIdx].pucchFormat; - ret = fillUlSchedPucchFormat(ulSchedPucch->pucchFormat, ulSchedPucch,\ - &pucchDedCfg->resrc->resrcToAddModList[resrcIdx], NULLP); - if(ret == RFAILED) - return ret; - } + ulSchedPucch->pucchFormat = pucchDedCfg->resrc->resrcToAddModList[resrcIdx].pucchFormat; + ret = fillUlSchedPucchFormat(ulSchedPucch->pucchFormat, ulSchedPucch,\ + &pucchDedCfg->resrc->resrcToAddModList[resrcIdx], NULLP); + if(ret == RFAILED) + return ret; + + pucchStartPrb = pucchDedCfg->resrc->resrcToAddModList[resrcIdx].startPrb; + ret = allocatePrbUl(cell, *slotInfo, ulSchedPucch->tdAlloc.startSymb, ulSchedPucch->tdAlloc.numSymb, &pucchStartPrb, PUCCH_NUM_PRB_FORMAT_0_1_4); + if(ret == ROK) + { + isAllocated = true; + break; + } + } } + if(isAllocated) + break; } } + if(pucchDedCfg->format1) { - memset(&ulSchedPucch->cmnFormatCfg, 0, sizeof(SchPucchFormatCfg)); ret = fillUlSchedPucchFormat(ulSchedPucch->pucchFormat, ulSchedPucch, NULLP, pucchDedCfg->format1); if(ret == RFAILED) return ret; } - + + if(!isAllocated) + { + return RFAILED; + } + /* setting SR and UCI flag */ if(pucchDedCfg->schedReq) { @@ -394,12 +384,11 @@ uint8_t fillUlSchedPucchDedicatedCfg(uint16_t numSlots, SchPucchCfg *pucchDedCfg { srPeriodicity = pucchDedCfg->schedReq->schedAddModList[schedReqIdx].periodicity; srOffset = pucchDedCfg->schedReq->schedAddModList[schedReqIdx].offset; - break; + break; } if(((numSlots * slotInfo->sfn + slotInfo->slot - srOffset) % srPeriodicity) == 0) { ulSchedPucch->srFlag = true; - ulSchedPucch->uciFlag = true; } } return ret; @@ -418,19 +407,31 @@ uint8_t fillUlSchedPucchDedicatedCfg(uint16_t numSlots, SchPucchCfg *pucchDedCfg * @return ROK/RFAILED **/ -uint16_t fillPucchResourceInfo(SchPucchInfo *schPucchInfo, Inst inst) +uint16_t fillPucchResourceInfo(uint8_t ueId, SchPucchInfo *schPucchInfo, Inst inst, SlotTimingInfo slotInfo) { - uint8_t ret = ROK, ueIdx = 0, pucchIdx = 0; + uint8_t ret = ROK, ueIdx = 0, pucchIdx = 0; SchCellCb *cell = schCb[inst].cells[inst]; SchPucchCfgCmn *pucchCfg = NULLP; SchBwpParams *ulBwp = NULLP; - - GET_UE_IDX(schPucchInfo->rnti, ueIdx); - if(cell->ueCb[ueIdx].ueCfg.spCellCfg.servCellCfg.initUlBwp.pucchCfgPres) +#ifdef NR_DRX + SchUeCb *ueCb = NULLP; +#endif + uint16_t startPrb; + + ueIdx = ueId -1; +#ifdef NR_DRX + ueCb = &(cell->ueCb[ueIdx]); + if(ueCb->ueDrxInfoPres) + { + if(!ueCb->drxUeCb.drxUlUeActiveStatus) + return RFAILED; + } +#endif + if(cell->ueCb[ueIdx].ueCfg.spCellCfg.servCellRecfg.initUlBwp.pucchCfgPres) { /* fill pucch dedicated cfg */ - ret = fillUlSchedPucchDedicatedCfg(cell->numSlots,\ - &cell->ueCb[ueIdx].ueCfg.spCellCfg.servCellCfg.initUlBwp.pucchCfg, &cell->slotInfo, schPucchInfo); + ret = fillUlSchedPucchDedicatedCfg(cell,\ + &cell->ueCb[ueIdx].ueCfg.spCellCfg.servCellRecfg.initUlBwp.pucchCfg, &slotInfo, schPucchInfo); if(ret == RFAILED) { memset(schPucchInfo, 0, sizeof(SchPucchInfo)); @@ -442,23 +443,24 @@ uint16_t fillPucchResourceInfo(SchPucchInfo *schPucchInfo, Inst inst) { /* fill pucch common cfg */ /* derive pucchResourceSet from schCellCfg */ - pucchCfg = &cell->cellCfg.schInitialUlBwp.pucchCommon; + pucchCfg = &cell->cellCfg.ulCfgCommon.schInitialUlBwp.pucchCommon; pucchIdx = pucchCfg->pucchResourceCommon; - ulBwp = &cell->cellCfg.schInitialUlBwp.bwp; - schPucchInfo->fdAlloc.startPrb = ulBwp->freqAlloc.startPrb + pucchResourceSet[pucchIdx][3]; - schPucchInfo->fdAlloc.numPrb = PUCCH_NUM_PRB_FORMAT_0_1_4; - schPucchInfo->tdAlloc.startSymb = pucchResourceSet[pucchIdx][1]; - schPucchInfo->tdAlloc.numSymb = pucchResourceSet[pucchIdx][2]; - schPucchInfo->pucchFormat = pucchResourceSet[pucchIdx][0]; - - /* set SR and UCI flag to false */ - schPucchInfo->srFlag = true; - schPucchInfo->uciFlag = true; + ulBwp = &cell->cellCfg.ulCfgCommon.schInitialUlBwp.bwp; + startPrb = ulBwp->freqAlloc.startPrb + pucchResourceSet[pucchIdx][3]; + ret = allocatePrbUl(cell, slotInfo, pucchResourceSet[pucchIdx][1], pucchResourceSet[pucchIdx][2],\ + &startPrb, PUCCH_NUM_PRB_FORMAT_0_1_4); + if (ret == ROK) + { + schPucchInfo->fdAlloc.startPrb = ulBwp->freqAlloc.startPrb + pucchResourceSet[pucchIdx][3]; + schPucchInfo->fdAlloc.numPrb = PUCCH_NUM_PRB_FORMAT_0_1_4; + schPucchInfo->tdAlloc.startSymb = pucchResourceSet[pucchIdx][1]; + schPucchInfo->tdAlloc.numSymb = pucchResourceSet[pucchIdx][2]; + schPucchInfo->pucchFormat = pucchResourceSet[pucchIdx][0]; + + /* set SR and UCI flag to false */ + schPucchInfo->srFlag = true; + } } - /* set HARQ flag to true */ - schPucchInfo->harqFlag = true; - schPucchInfo->numHarqBits = 1; /* 1 bit for HARQ */ - return ROK; } @@ -477,13 +479,16 @@ uint16_t fillPucchResourceInfo(SchPucchInfo *schPucchInfo, Inst inst) uint8_t schUlResAlloc(SchCellCb *cell, Inst schInst) { int ret = ROK; +#ifdef NR_DRX + SchUeCb *ueCb; +#endif UlSchedInfo ulSchedInfo; SchUlSlotInfo *schUlSlotInfo = NULLP; - SlotIndInfo ulTimingInfo; + SlotTimingInfo ulTimingInfo; memset(&ulSchedInfo, 0, sizeof(UlSchedInfo)); /* add PHY delta */ - ADD_DELTA_TO_TIME(cell->slotInfo,ulTimingInfo,PHY_DELTA+SCHED_DELTA); + ADD_DELTA_TO_TIME(cell->slotInfo,ulTimingInfo,PHY_DELTA_UL+SCHED_DELTA, cell->numSlots); ulSchedInfo.cellId = cell->cellId; ulSchedInfo.slotIndInfo.cellId = ulSchedInfo.cellId; @@ -491,12 +496,22 @@ uint8_t schUlResAlloc(SchCellCb *cell, Inst schInst) ulSchedInfo.slotIndInfo.slot = ulTimingInfo.slot; /* Schedule resources for PRACH */ - schPrachResAlloc(cell, &ulSchedInfo, ulTimingInfo); + if(cell->firstSib1Transmitted) + schPrachResAlloc(cell, &ulSchedInfo, ulTimingInfo); schUlSlotInfo = cell->schUlSlotInfo[ulTimingInfo.slot]; if(schUlSlotInfo->schPuschInfo) { - ulSchedInfo.crnti = schUlSlotInfo->schPuschInfo->crnti; + GET_CRNTI(ulSchedInfo.crnti, schUlSlotInfo->puschUe); + /* Check the ue drx status if the UE is active for uplink scheduling or not */ +#ifdef NR_DRX + ueCb = schGetUeCb(cell, ulSchedInfo.crnti); + if(ueCb->ueDrxInfoPres) + { + if(!ueCb->drxUeCb.drxUlUeActiveStatus) + return RFAILED; + } +#endif ulSchedInfo.dataType |= SCH_DATATYPE_PUSCH; memcpy(&ulSchedInfo.schPuschInfo, schUlSlotInfo->schPuschInfo, sizeof(SchPuschInfo)); @@ -506,20 +521,36 @@ uint8_t schUlResAlloc(SchCellCb *cell, Inst schInst) if(schUlSlotInfo->pucchPres) { - ulSchedInfo.dataType |= SCH_DATATYPE_UCI; - fillPucchResourceInfo(&schUlSlotInfo->schPucchInfo, schInst); - memcpy(&ulSchedInfo.schPucchInfo, &schUlSlotInfo->schPucchInfo, - sizeof(SchPucchInfo)); + GET_CRNTI(ulSchedInfo.crnti, schUlSlotInfo->pucchUe); + ret = fillPucchResourceInfo(schUlSlotInfo->pucchUe, &schUlSlotInfo->schPucchInfo, schInst, ulTimingInfo); + if (ret == ROK) + { + ulSchedInfo.dataType |= SCH_DATATYPE_UCI; + memcpy(&ulSchedInfo.schPucchInfo, &schUlSlotInfo->schPucchInfo, + sizeof(SchPucchInfo)); + } + else + { + return RFAILED; + } memset(&schUlSlotInfo->schPucchInfo, 0, sizeof(SchPucchInfo)); } - //send msg to MAC + /* Send msg to MAC */ ret = sendUlSchInfoToMac(&ulSchedInfo, schInst); if(ret != ROK) { DU_LOG("\nERROR --> SCH : Sending UL Sch info from SCH to MAC failed"); } + /* Update UL statistics */ + if(schCb[schInst].statistics.ulTotalPrbUsage) + { + schCb[schInst].statistics.ulTotalPrbUsage->numPrbUsedForTx += schUlSlotInfo->prbAlloc.numPrbAlloc; + schCb[schInst].statistics.ulTotalPrbUsage->totalPrbAvailForTx += MAX_NUM_RB; + } + + /* Re-initialize UL Slot */ schInitUlSlot(schUlSlotInfo); return ret; } @@ -535,41 +566,65 @@ uint8_t schUlResAlloc(SchCellCb *cell, Inst schInst) * Functionality: * Fills pdcch and pdsch info for msg4 * - * @params[in] + * @params[in] SchCellCb *cell, SlotTimingInfo msg4Time + * @params[in] uint8_t ueId, DlMsgSchInfo *dlMsgAlloc + * @params[in] uint8_t pdschStartSymbol, uint8_t pdschNumSymbols + * @params[in] bool isRetx, SchDlHqProcCb *hqP * @return ROK - success * RFAILED - failure * * ****************************************************************/ -uint8_t schDlRsrcAllocMsg4(DlMsgAlloc *msg4Alloc, SchCellCb *cell, uint16_t slot) +uint8_t schDlRsrcAllocMsg4(SchCellCb *cell, SlotTimingInfo msg4Time, uint8_t ueId, DlMsgSchInfo *dlMsgAlloc,\ + uint8_t pdschStartSymbol, uint8_t pdschNumSymbols, bool isRetx, SchDlHqProcCb *hqP) { uint8_t coreset0Idx = 0; - uint8_t numRbs = 0; uint8_t firstSymbol = 0; uint8_t numSymbols = 0; - uint8_t offset = 0; - uint8_t offsetPointA; - uint8_t FreqDomainResource[6] = {0}; + uint8_t mcs = DEFAULT_MCS; /* MCS fixed to 4 */ + uint8_t dmrsStartSymbol = 0, startSymbol = 0, numSymbol = 0; uint16_t tbSize = 0; - uint8_t numPdschSymbols = 12; /* considering pdsch region from 2 to 13 */ - uint8_t mcs = 4; /* MCS fixed to 4 */ - SchBwpDlCfg *initialBwp; + uint16_t numRbs; + SchBwpDlCfg *initialBwp = NULLP; + PdcchCfg *pdcch = NULLP; + PdschCfg *pdsch = NULLP; + BwpCfg *bwp = NULLP; + DlMsgSchInfo *msg4Alloc = NULLP; + + if(cell == NULL) + { + DU_LOG("\nERROR --> SCH: schDlRsrcAllocMsg4() : Cell is NULL"); + return RFAILED; + } - PdcchCfg *pdcch = &msg4Alloc->dlMsgPdcchCfg; - PdschCfg *pdsch = &msg4Alloc->dlMsgPdschCfg; - BwpCfg *bwp = &msg4Alloc->bwp; + if(dlMsgAlloc == NULL) + { + DU_LOG("\nERROR --> SCH: schDlRsrcAllocMsg4() : dlMsgAlloc is NULL"); + return RFAILED; + } - initialBwp = &cell->cellCfg.schInitialDlBwp; - offsetPointA = cell->cellCfg.ssbSchCfg.ssbOffsetPointA; + msg4Alloc = dlMsgAlloc; + initialBwp = &cell->cellCfg.dlCfgCommon.schInitialDlBwp; + SCH_ALLOC(msg4Alloc->dlMsgPdcchCfg, sizeof(PdcchCfg)); + + if(!msg4Alloc->dlMsgPdcchCfg) + { + DU_LOG("\nERROR --> SCH : Memory allocation failed in %s",__func__); + return RFAILED; + } + pdcch = msg4Alloc->dlMsgPdcchCfg; + bwp = &msg4Alloc->bwp; coreset0Idx = initialBwp->pdcchCommon.commonSearchSpace.coresetId; + fillDlMsgInfo(msg4Alloc, cell->raCb[ueId-1].tcrnti, isRetx, hqP); + msg4Alloc->dlMsgPduLen = cell->raCb[ueId-1].dlMsgPduLen; + /* derive the sib1 coreset0 params from table 13-1 spec 38.213 */ - numRbs = coresetIdxTable[coreset0Idx][1]; - numSymbols = coresetIdxTable[coreset0Idx][2]; - offset = coresetIdxTable[coreset0Idx][3]; + numRbs = coresetIdxTable[coreset0Idx][1]; + numSymbols = coresetIdxTable[coreset0Idx][2]; /* calculate time domain parameters */ uint16_t mask = 0x2000; - for(firstSymbol=0; firstSymbol<14;firstSymbol++) + for(firstSymbol=0; firstSymbolpdcchCommon.commonSearchSpace.monitoringSymbol & mask) break; @@ -577,9 +632,6 @@ uint8_t schDlRsrcAllocMsg4(DlMsgAlloc *msg4Alloc, SchCellCb *cell, uint16_t slot mask = mask>>1; } - /* calculate the PRBs */ - freqDomRscAllocType0(((offsetPointA-offset)/6), (numRbs/6), FreqDomainResource); - /* fill BWP */ bwp->freqAlloc.numPrb = initialBwp->bwp.freqAlloc.numPrb; bwp->freqAlloc.startPrb = initialBwp->bwp.freqAlloc.startPrb; @@ -589,7 +641,9 @@ uint8_t schDlRsrcAllocMsg4(DlMsgAlloc *msg4Alloc, SchCellCb *cell, uint16_t slot /* fill the PDCCH PDU */ pdcch->coresetCfg.startSymbolIndex = firstSymbol; pdcch->coresetCfg.durationSymbols = numSymbols; - memcpy(pdcch->coresetCfg.freqDomainResource,FreqDomainResource,6); + memcpy(pdcch->coresetCfg.freqDomainResource, \ + cell->cellCfg.dlCfgCommon.schInitialDlBwp.pdcchCommon.commonSearchSpace.freqDomainRsrc, FREQ_DOM_RSRC_SIZE); + 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 */ @@ -598,7 +652,7 @@ uint8_t schDlRsrcAllocMsg4(DlMsgAlloc *msg4Alloc, SchCellCb *cell, uint16_t slot pdcch->coresetCfg.shiftIndex = cell->cellCfg.phyCellId; pdcch->coresetCfg.precoderGranularity = 0; /* sameAsRegBundle */ pdcch->numDlDci = 1; - pdcch->dci.rnti = cell->schDlSlotInfo[slot]->dlMsgInfo->crnti; + pdcch->dci.rnti = cell->raCb[ueId-1].tcrnti; pdcch->dci.scramblingId = cell->cellCfg.phyCellId; pdcch->dci.scramblingRnti = 0; pdcch->dci.cceIndex = 4; /* considering SIB1 is sent at cce 0-1-2-3 */ @@ -608,13 +662,14 @@ uint8_t schDlRsrcAllocMsg4(DlMsgAlloc *msg4Alloc, SchCellCb *cell, uint16_t slot 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; - + pdsch = &pdcch->dci.pdschCfg; + /* fill the PDSCH PDU */ uint8_t cwCount = 0; pdsch->pduBitmap = 0; /* PTRS and CBG params are excluded */ - pdsch->rnti = cell->schDlSlotInfo[slot]->dlMsgInfo->crnti; + pdsch->rnti = cell->raCb[ueId-1].tcrnti; pdsch->pduIndex = 0; pdsch->numCodewords = 1; for(cwCount = 0; cwCount < pdsch->numCodewords; cwCount++) @@ -623,17 +678,24 @@ uint8_t schDlRsrcAllocMsg4(DlMsgAlloc *msg4Alloc, SchCellCb *cell, uint16_t slot pdsch->codeword[cwCount].qamModOrder = 2; pdsch->codeword[cwCount].mcsIndex = mcs; /* mcs configured to 4 */ pdsch->codeword[cwCount].mcsTable = 0; /* notqam256 */ - pdsch->codeword[cwCount].rvIndex = 0; - /* 38.214: Table 5.1.3.2-1, divided by 8 to get the value in bytes */ - /* TODO : Calculate tbSize based of DL CCCH msg size */ - tbSize = schCalcTbSize(2664/8); /* send this value to the func in bytes when considering msg4 size */ + if(isRetx != TRUE) + { + tbSize = schCalcTbSize(msg4Alloc->dlMsgPduLen + TX_PAYLOAD_HDR_LEN); /* MSG4 size + FAPI header size*/ + hqP->tbInfo[cwCount].tbSzReq = tbSize; + pdsch->codeword[cwCount].rvIndex = 0; + } + else + { + pdsch->codeword[cwCount].rvIndex = (pdsch->codeword[cwCount].rvIndex +1) & 0x03; + tbSize = hqP->tbInfo[cwCount].tbSzReq; + } pdsch->codeword[cwCount].tbSize = tbSize; } pdsch->dataScramblingId = cell->cellCfg.phyCellId; pdsch->numLayers = 1; pdsch->transmissionScheme = 0; pdsch->refPoint = 0; - pdsch->dmrs.dlDmrsSymbPos = 2; + pdsch->dmrs.dlDmrsSymbPos = DL_DMRS_SYMBOL_POS; pdsch->dmrs.dmrsConfigType = 0; /* type-1 */ pdsch->dmrs.dlDmrsScramblingId = cell->cellCfg.phyCellId; pdsch->dmrs.scid = 0; @@ -642,13 +704,40 @@ uint8_t schDlRsrcAllocMsg4(DlMsgAlloc *msg4Alloc, SchCellCb *cell, uint16_t slot pdsch->dmrs.mappingType = DMRS_MAP_TYPE_A; /* Setting to Type-A */ pdsch->dmrs.nrOfDmrsSymbols = NUM_DMRS_SYMBOLS; pdsch->dmrs.dmrsAddPos = DMRS_ADDITIONAL_POS; + + pdsch->pdschTimeAlloc.startSymb = pdschStartSymbol; + pdsch->pdschTimeAlloc.numSymb = pdschNumSymbols; + pdsch->pdschFreqAlloc.resourceAllocType = 1; /* RAT type-1 RIV format */ - /* the RB numbering starts from coreset0, and PDSCH is always above SSB */ - pdsch->pdschFreqAlloc.freqAlloc.startPrb = offset + SCH_SSB_NUM_PRB; - pdsch->pdschFreqAlloc.freqAlloc.numPrb = schCalcNumPrb(tbSize,mcs,numPdschSymbols); + pdsch->pdschFreqAlloc.startPrb = MAX_NUM_RB; + pdsch->pdschFreqAlloc.numPrb = schCalcNumPrb(tbSize, mcs, pdschNumSymbols); pdsch->pdschFreqAlloc.vrbPrbMapping = 0; /* non-interleaved */ - pdsch->pdschTimeAlloc.timeAlloc.startSymb = 2; /* spec-38.214, Table 5.1.2.1-1 */ - pdsch->pdschTimeAlloc.timeAlloc.numSymb = 12; + + /* Find total symbols occupied including DMRS */ + dmrsStartSymbol = findDmrsStartSymbol(pdsch->dmrs.dlDmrsSymbPos); + /* If there are no DRMS symbols, findDmrsStartSymbol() returns MAX_SYMB_PER_SLOT, + * in that case only PDSCH symbols are marked as occupied */ + if(dmrsStartSymbol == MAX_SYMB_PER_SLOT) + { + startSymbol = pdsch->pdschTimeAlloc.startSymb; + numSymbol = pdsch->pdschTimeAlloc.numSymb; + } + /* If DMRS symbol is found, mark DMRS and PDSCH symbols as occupied */ + else + { + startSymbol = dmrsStartSymbol; + numSymbol = pdsch->dmrs.nrOfDmrsSymbols + pdsch->pdschTimeAlloc.numSymb; + } + + /* Allocate the number of PRBs required for RAR PDSCH */ + if((allocatePrbDl(cell, msg4Time, startSymbol, numSymbol,\ + &pdsch->pdschFreqAlloc.startPrb, pdsch->pdschFreqAlloc.numPrb)) != ROK) + { + DU_LOG("\nERROR --> SCH : Resource allocation failed for MSG4"); + SCH_FREE(msg4Alloc->dlMsgPdcchCfg, sizeof(PdcchCfg)); + return RFAILED; + } + pdsch->beamPdschInfo.numPrgs = 1; pdsch->beamPdschInfo.prgSize = 1; pdsch->beamPdschInfo.digBfInterfaces = 0; @@ -657,40 +746,45 @@ uint8_t schDlRsrcAllocMsg4(DlMsgAlloc *msg4Alloc, SchCellCb *cell, uint16_t slot pdsch->txPdschPower.powerControlOffset = 0; pdsch->txPdschPower.powerControlOffsetSS = 0; - pdcch->dci.pdschCfg = pdsch; - return ROK; } -uint16_t schAllocPucchResource(SchCellCb *cell, uint16_t crnti, uint16_t slot) +/******************************************************************* + * + * @brief Scheduling for Pucch Resource + * + * @details + * + * Function : schAllocPucchResource + * + * Functionality: + * Scheduling for Pucch Resource + * + * @params[in] SchCellCb *cell, SlotTimingInfo pucchTime, crnti + * @params[in] SchUeCb *ueCb, bool isRetx, SchDlHqProcCb *hqP + * @return ROK - success + * RFAILED - failure + * + *******************************************************************/ + +uint16_t schAllocPucchResource(SchCellCb *cell, SlotTimingInfo pucchTime, uint16_t crnti, + SchUeCb *ueCb, bool isRetx, SchDlHqProcCb *hqP) { - uint8_t k1 = SCH_DEFAULT_K1, ueIdx = 0, dlToUlAckIdx; uint16_t pucchSlot = 0; SchUlSlotInfo *schUlSlotInfo = NULLP; - SchPucchCfg *schPucchCfg = NULLP; - - GET_UE_IDX(crnti, ueIdx); - if(cell->ueCb[ueIdx].ueCfg.spCellCfg.servCellCfg.initUlBwp.pucchCfgPres) - { - schPucchCfg = &(cell->ueCb[ueIdx].ueCfg.spCellCfg.servCellCfg.initUlBwp.pucchCfg); - if(schPucchCfg->dlDataToUlAck) - { - for(dlToUlAckIdx = 0; dlToUlAckIdx < schPucchCfg->dlDataToUlAck->dlDataToUlAckListCount; dlToUlAckIdx++) - { - //For now considering only the first value in the list - k1 = schPucchCfg->dlDataToUlAck->dlDataToUlAckList[dlToUlAckIdx]; - break; - } - } - } - - pucchSlot = (slot + k1) % cell->numSlots; + + pucchSlot = pucchTime.slot; schUlSlotInfo = cell->schUlSlotInfo[pucchSlot]; memset(&schUlSlotInfo->schPucchInfo, 0, sizeof(SchPucchInfo)); schUlSlotInfo->pucchPres = true; - schUlSlotInfo->schPucchInfo.rnti = crnti; - + if(ueCb != NULLP) + { + /* set HARQ flag to true */ + schUlSlotInfo->schPucchInfo.harqInfo.harqBitLength = 1; /* 1 bit for HARQ */ + ADD_DELTA_TO_TIME(pucchTime, pucchTime, 3, cell->numSlots); /* SLOT_DELAY=3 */ + cmLListAdd2Tail(&(ueCb->hqDlmap[pucchTime.slot]->hqList), &hqP->ulSlotLnk); + } return ROK; } @@ -705,38 +799,48 @@ uint16_t schAllocPucchResource(SchCellCb *cell, uint16_t crnti, uint16_t slot) * Functionality: * Fills pdcch and pdsch info for dl msg * - * @params[in] + * @params[in] SchCellCb *cell, SlotTimingInfo slotTime + * @params[in] uint16_t crnti, uint32_t tbSize + * @params[in] DlMsgSchInfo *dlMsgAlloc, uint16_t startPRB + * @params[in] uint8_t pdschStartSymbol, uint8_t pdschNumSymbols + * @params[in] bool isRetx, SchDlHqProcCb *hqP * @return ROK - success * RFAILED - failure * * ****************************************************************/ -uint8_t schDlRsrcAllocDlMsg(DlMsgAlloc *dlMsgAlloc, SchCellCb *cell, uint16_t crnti, - uint32_t *accumalatedSize, uint16_t slot) +uint8_t schDlRsrcAllocDlMsg(SchCellCb *cell, SlotTimingInfo slotTime, uint16_t crnti, + uint32_t tbSize, DlMsgSchInfo *dlMsgAlloc, uint16_t startPRB, uint8_t pdschStartSymbol, + uint8_t pdschNumSymbols, bool isRetx, SchDlHqProcCb *hqP) { - uint8_t ueIdx; - uint16_t tbSize = 0; - uint8_t numPdschSymbols = 12; /* considering pdsch region from 2 to 13 */ + uint8_t ueId=0; + uint8_t cwCount = 0; PdcchCfg *pdcch = NULLP; PdschCfg *pdsch = NULLP; BwpCfg *bwp = NULLP; SchUeCb ueCb; SchControlRsrcSet coreset1; SchPdschConfig pdschCfg; + uint8_t dmrsStartSymbol, startSymbol, numSymbol; - pdcch = &dlMsgAlloc->dlMsgPdcchCfg; - pdsch = &dlMsgAlloc->dlMsgPdschCfg; + SCH_ALLOC(dlMsgAlloc->dlMsgPdcchCfg, sizeof(PdcchCfg)); + if(!dlMsgAlloc->dlMsgPdcchCfg) + { + DU_LOG("\nERROR --> SCH : Memory allocation failed in schDlRsrcAllocDlMsg"); + return RFAILED; + } + pdcch = dlMsgAlloc->dlMsgPdcchCfg; bwp = &dlMsgAlloc->bwp; - GET_UE_IDX(crnti, ueIdx); - ueCb = cell->ueCb[ueIdx-1]; - coreset1 = ueCb.ueCfg.spCellCfg.servCellCfg.initDlBwp.pdcchCfg.cRSetToAddModList[0]; - pdschCfg = ueCb.ueCfg.spCellCfg.servCellCfg.initDlBwp.pdschCfg; + GET_UE_ID(crnti, ueId); + ueCb = cell->ueCb[ueId-1]; + coreset1 = ueCb.ueCfg.spCellCfg.servCellRecfg.initDlBwp.pdcchCfg.cRSetToAddModList[0]; + pdschCfg = ueCb.ueCfg.spCellCfg.servCellRecfg.initDlBwp.pdschCfg; /* fill BWP */ bwp->freqAlloc.numPrb = MAX_NUM_RB; bwp->freqAlloc.startPrb = 0; - bwp->subcarrierSpacing = cell->cellCfg.sib1SchCfg.bwp.subcarrierSpacing; - bwp->cyclicPrefix = cell->cellCfg.sib1SchCfg.bwp.cyclicPrefix; + bwp->subcarrierSpacing = cell->sib1SchCfg.bwp.subcarrierSpacing; + bwp->cyclicPrefix = cell->sib1SchCfg.bwp.cyclicPrefix; /* fill the PDCCH PDU */ //Considering coreset1 also starts from same symbol as coreset0 @@ -762,11 +866,10 @@ uint8_t schDlRsrcAllocDlMsg(DlMsgAlloc *dlMsgAlloc, SchCellCb *cell, uint16_t cr 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; - /* fill the PDSCH PDU */ - uint8_t cwCount = 0; + pdsch = &pdcch->dci.pdschCfg; pdsch->pduBitmap = 0; /* PTRS and CBG params are excluded */ pdsch->rnti = ueCb.crnti; pdsch->pduIndex = 0; @@ -778,16 +881,19 @@ uint8_t schDlRsrcAllocDlMsg(DlMsgAlloc *dlMsgAlloc, SchCellCb *cell, uint16_t cr pdsch->codeword[cwCount].mcsIndex = ueCb.ueCfg.dlModInfo.mcsIndex; pdsch->codeword[cwCount].mcsTable = ueCb.ueCfg.dlModInfo.mcsTable; pdsch->codeword[cwCount].rvIndex = 0; - tbSize = schCalcTbSize(*accumalatedSize); - if(tbSize < *accumalatedSize) - *accumalatedSize = tbSize; + + if (isRetx != TRUE) + { + tbSize +=TX_PAYLOAD_HDR_LEN; + hqP->tbInfo[cwCount].tbSzReq = tbSize; + } pdsch->codeword[cwCount].tbSize = tbSize; } pdsch->dataScramblingId = cell->cellCfg.phyCellId; pdsch->numLayers = 1; pdsch->transmissionScheme = 0; pdsch->refPoint = 0; - pdsch->dmrs.dlDmrsSymbPos = 2; + pdsch->dmrs.dlDmrsSymbPos = DL_DMRS_SYMBOL_POS; pdsch->dmrs.dmrsConfigType = 0; /* type-1 */ pdsch->dmrs.dlDmrsScramblingId = cell->cellCfg.phyCellId; pdsch->dmrs.scid = 0; @@ -796,12 +902,40 @@ uint8_t schDlRsrcAllocDlMsg(DlMsgAlloc *dlMsgAlloc, SchCellCb *cell, uint16_t cr pdsch->dmrs.mappingType = DMRS_MAP_TYPE_A; /* Setting to Type-A */ pdsch->dmrs.nrOfDmrsSymbols = NUM_DMRS_SYMBOLS; pdsch->dmrs.dmrsAddPos = pdschCfg.dmrsDlCfgForPdschMapTypeA.addPos; - pdsch->pdschFreqAlloc.resourceAllocType = 1; /* RAT type-1 RIV format */ - pdsch->pdschFreqAlloc.freqAlloc.startPrb = 1; - pdsch->pdschFreqAlloc.freqAlloc.numPrb = schCalcNumPrb(tbSize, ueCb.ueCfg.dlModInfo.mcsIndex, numPdschSymbols); + + pdsch->pdschTimeAlloc.startSymb = pdschStartSymbol; + pdsch->pdschTimeAlloc.numSymb = pdschNumSymbols; + pdsch->pdschFreqAlloc.vrbPrbMapping = 0; /* non-interleaved */ - pdsch->pdschTimeAlloc.timeAlloc.startSymb = pdschCfg.timeDomRsrcAllociList[0].startSymbol; - pdsch->pdschTimeAlloc.timeAlloc.numSymb = pdschCfg.timeDomRsrcAllociList[0].symbolLength; + pdsch->pdschFreqAlloc.resourceAllocType = 1; /* RAT type-1 RIV format */ + pdsch->pdschFreqAlloc.startPrb = startPRB; /*Start PRB will be already known*/ + pdsch->pdschFreqAlloc.numPrb = schCalcNumPrb(tbSize, ueCb.ueCfg.dlModInfo.mcsIndex, pdschNumSymbols); + + /* Find total symbols occupied including DMRS */ + dmrsStartSymbol = findDmrsStartSymbol(pdsch->dmrs.dlDmrsSymbPos); + /* If there are no DRMS symbols, findDmrsStartSymbol() returns MAX_SYMB_PER_SLOT, + * in that case only PDSCH symbols are marked as occupied */ + if(dmrsStartSymbol == MAX_SYMB_PER_SLOT) + { + startSymbol = pdsch->pdschTimeAlloc.startSymb; + numSymbol = pdsch->pdschTimeAlloc.numSymb; + } + /* If DMRS symbol is found, mark DMRS and PDSCH symbols as occupied */ + else + { + startSymbol = dmrsStartSymbol; + numSymbol = pdsch->dmrs.nrOfDmrsSymbols + pdsch->pdschTimeAlloc.numSymb; + } + + /* Allocate the number of PRBs required for DL PDSCH */ + if((allocatePrbDl(cell, slotTime, startSymbol, numSymbol,\ + &pdsch->pdschFreqAlloc.startPrb, pdsch->pdschFreqAlloc.numPrb)) != ROK) + { + DU_LOG("\nERROR --> SCH : allocatePrbDl() failed for DL MSG"); + SCH_FREE(dlMsgAlloc->dlMsgPdcchCfg, sizeof(PdcchCfg)); + return RFAILED; + } + pdsch->beamPdschInfo.numPrgs = 1; pdsch->beamPdschInfo.prgSize = 1; pdsch->beamPdschInfo.digBfInterfaces = 0; @@ -810,10 +944,1355 @@ uint8_t schDlRsrcAllocDlMsg(DlMsgAlloc *dlMsgAlloc, SchCellCb *cell, uint16_t cr pdsch->txPdschPower.powerControlOffset = 0; pdsch->txPdschPower.powerControlOffsetSS = 0; - pdcch->dci.pdschCfg = pdsch; return ROK; } +/******************************************************************* + * + * @brief Fills k0 and k1 information table for FDD + * + * @details + * + * Function : BuildK0K1TableForFdd + * + * Functionality: + * Fills k0 and k1 information table for FDD + * + * @params[in] SchCellCb *cell,SchK0K1TimingInfoTbl *k0K1InfoTbl,bool + * pdschCfgCmnPres,uint8_t numTimeDomAlloc, SchPdschCfgCmnTimeDomRsrcAlloc + * cmnTimeDomRsrcAllocList[], SchPdschTimeDomRsrcAlloc + * dedTimeDomRsrcAllocList[], uint8_t ulAckListCount, uint8_t *UlAckTbl + * @return ROK - success + * RFAILED - failure + * + * ****************************************************************/ +void BuildK0K1TableForFdd(SchCellCb *cell, SchK0K1TimingInfoTbl *k0K1InfoTbl, bool pdschCfgCmnPres,SchPdschCfgCmn pdschCmnCfg,\ +SchPdschConfig pdschDedCfg, uint8_t ulAckListCount, uint8_t *UlAckTbl) +{ + + uint8_t k1TmpVal =0, cfgIdx=0; + uint8_t slotIdx=0, k0Index=0, k1Index=0, numK0=0, numK1=0, numTimeDomAlloc=0; + + /* TODO Commented these below lines for resolving warnings. Presently these variable are not + * required but this will require for harq processing */ + // uint8_t k0TmpVal = 0; + // SchPdschCfgCmnTimeDomRsrcAlloc cmnTimeDomRsrcAllocList[MAX_NUM_DL_ALLOC]; + // SchPdschTimeDomRsrcAlloc dedTimeDomRsrcAllocList[MAX_NUM_DL_ALLOC]; + + /* Initialization the structure and storing the total slot values. */ + memset(k0K1InfoTbl, 0, sizeof(SchK0K1TimingInfoTbl)); + k0K1InfoTbl->tblSize = cell->numSlots; + + /* Storing time domain resource allocation list based on common or dedicated configuration. */ + if(pdschCfgCmnPres == true) + { + numTimeDomAlloc = pdschCmnCfg.numTimeDomAlloc; + for(cfgIdx = 0; cfgIdxnumSlots; slotIdx++) + { + numK0 = 0; + /* Storing the values of k0 based on time domain resource + * allocation list. If the value is unavailable then fill default values, + * As per 38.331 PDSCH-TimeDomainResourceAllocation field descriptions. */ + for(k0Index = 0; ((k0Index < numTimeDomAlloc) && (k0Index < MAX_NUM_K0_IDX)); k0Index++) + { + /* TODO These if 0 we will remove during harq processing */ +#if 0 + if(pdschCfgCmnPres == true) + { + k0TmpVal = cmnTimeDomRsrcAllocList[k0Index].k0; + } + else + { + if(dedTimeDomRsrcAllocList[k0Index].k0 != NULLP) + { + k0TmpVal = *(dedTimeDomRsrcAllocList[k0Index].k0); + } + else + { + k0TmpVal = DEFAULT_K0_VALUE; + } + } +#endif + /* Checking all the Ul Alloc values. If value is less than MIN_NUM_K1_IDX + * then skip else continue storing the values. */ + numK1 = 0; + for(k1Index = 0; k1Index < ulAckListCount; k1Index++) + { + k1TmpVal = UlAckTbl[k1Index]; + if(k1TmpVal <= MIN_NUM_K1_IDX) + { + continue; + } + + k0K1InfoTbl->k0k1TimingInfo[slotIdx].k0Indexes[numK0].k1TimingInfo.k1Indexes[numK1++] = k1Index; + /* TODO Store K1 index where harq feedback will be received in harq table. */ + } + if(numK1) + { + k0K1InfoTbl->k0k1TimingInfo[slotIdx].k0Indexes[numK0].k1TimingInfo.numK1 = numK1; + k0K1InfoTbl->k0k1TimingInfo[slotIdx].k0Indexes[numK0].k0Index = k0Index; + numK0++; + } + } + if(numK0) + { + k0K1InfoTbl->k0k1TimingInfo[slotIdx].numK0 = numK0; + } + } +} + +/******************************************************************* + * + * @brief Fills k0 and k1 information table + * + * @details + * + * Function : BuildK0K1Table + * + * Functionality: + * Fills K0 and k1 information table + * + * @params[in] SchCellCb *cell,SchK0K1TimingInfoTbl *k0K1InfoTbl,bool + * pdschCfgCmnPres,uint8_t numTimeDomAlloc, SchPdschCfgCmnTimeDomRsrcAlloc + * cmnTimeDomRsrcAllocList[], SchPdschTimeDomRsrcAlloc + * dedTimeDomRsrcAllocList[], uint8_t ulAckListCount, uint8_t *UlAckTbl + * @return ROK - success + * RFAILED - failure + * + * ****************************************************************/ +void BuildK0K1Table(SchCellCb *cell, SchK0K1TimingInfoTbl *k0K1InfoTbl, bool pdschCfgCmnPres, SchPdschCfgCmn pdschCmnCfg,\ +SchPdschConfig pdschDedCfg, uint8_t ulAckListCount, uint8_t *UlAckTbl) +{ + +#ifdef NR_TDD + SlotConfig slotCfg; + bool ulSlotPresent = false; + uint8_t k0TmpVal = 0, k1TmpVal =0, tmpSlot=0, startSymbol=0, endSymbol=0, checkSymbol=0; + uint8_t slotIdx=0, k0Index=0, k1Index=0, numK0=0, numK1=0, cfgIdx=0, numTimeDomAlloc =0, totalCfgSlot =0; + SchPdschCfgCmnTimeDomRsrcAlloc cmnTimeDomRsrcAllocList[MAX_NUM_DL_ALLOC]; + SchPdschTimeDomRsrcAlloc dedTimeDomRsrcAllocList[MAX_NUM_DL_ALLOC]; +#endif + + if(cell->cellCfg.dupMode == DUPLEX_MODE_FDD) + { + BuildK0K1TableForFdd(cell, k0K1InfoTbl, pdschCfgCmnPres, pdschCmnCfg, pdschDedCfg, ulAckListCount, UlAckTbl); + } + else + { +#ifdef NR_TDD + + /* Initialization the K0K1 structure, total num of slot and calculating the slot pattern length. */ + memset(k0K1InfoTbl, 0, sizeof(SchK0K1TimingInfoTbl)); + k0K1InfoTbl->tblSize = cell->numSlots; + totalCfgSlot = calculateSlotPatternLength(cell->cellCfg.ssbScs, cell->cellCfg.tddCfg.tddPeriod); + + /* Storing time domain resource allocation list based on common or + * dedicated configuration availability. */ + if(pdschCfgCmnPres == true) + { + numTimeDomAlloc = pdschCmnCfg.numTimeDomAlloc; + for(cfgIdx = 0; cfgIdxnumSlots; slotIdx++) + { + /* If current slot is UL or FLEXI then Skip because PDCCH is sent only in DL slots. */ + slotCfg = schGetSlotSymbFrmt(slotIdx%totalCfgSlot, cell->slotFrmtBitMap); + if(slotCfg == UL_SLOT || slotCfg == FLEXI_SLOT) + { + continue; + } + + ulSlotPresent = false; + /* Storing K0 , start symbol and length symbol for further processing. + * If K0 value is not available then we can fill the default values + * given in spec 38.331. */ + numK0 = 0; + for(k0Index = 0; ((k0Index < numTimeDomAlloc) && (k0Index < MAX_NUM_K0_IDX)); k0Index++) + { + if(pdschCfgCmnPres == true) + { + k0TmpVal = cmnTimeDomRsrcAllocList[k0Index].k0; + startSymbol = cmnTimeDomRsrcAllocList[k0Index].startSymbol; + endSymbol = startSymbol + cmnTimeDomRsrcAllocList[k0Index].lengthSymbol; + } + else + { + if(dedTimeDomRsrcAllocList[k0Index].k0 != NULLP) + { + k0TmpVal = *(dedTimeDomRsrcAllocList[k0Index].k0); + } + else + { + k0TmpVal = DEFAULT_K0_VALUE; + } + startSymbol = dedTimeDomRsrcAllocList[k0Index].startSymbol; + endSymbol = startSymbol + dedTimeDomRsrcAllocList[k0Index].symbolLength; + } + + /* If current slot + k0 is UL then skip the slot + * else if it is DL slot then continue the next steps + * else if it is a FLEXI slot then check symbols of slot, It should not + * contain any UL slot. */ + tmpSlot = (slotIdx+k0TmpVal) % totalCfgSlot; + slotCfg = schGetSlotSymbFrmt(tmpSlot, cell->slotFrmtBitMap); + if(slotCfg == UL_SLOT) + { + continue; + } + if(slotCfg == FLEXI_SLOT) + { + for(checkSymbol = startSymbol; checkSymbolslotCfg[tmpSlot][checkSymbol]; + if(slotCfg == UL_SLOT) + { + ulSlotPresent = true; + break; + } + } + if(ulSlotPresent == true) + { + continue; + } + } + + ulSlotPresent = false; //Re-initializing + + /* If current slot + k0 + k1 is a DL slot then skip the slot + * else if it is UL slot then store the information + * else if it is FLEXI slot then check the symbols, it must have + * at least one UL symbol. */ + numK1 = 0; + for(k1Index = 0; k1Index < ulAckListCount; k1Index++) + { + k1TmpVal = UlAckTbl[k1Index]; + if(k1TmpVal > MIN_NUM_K1_IDX) + { + tmpSlot = (slotIdx+k0TmpVal+k1TmpVal) % totalCfgSlot; + slotCfg = schGetSlotSymbFrmt(tmpSlot, cell->slotFrmtBitMap); + if(slotCfg == DL_SLOT) + { + continue; + } + if(slotCfg == FLEXI_SLOT) + { + for(checkSymbol = 0; checkSymbol< MAX_SYMB_PER_SLOT;checkSymbol++) + { + if(cell->slotCfg[tmpSlot][checkSymbol] == UL_SYMBOL) + { + ulSlotPresent = true; + break; + } + } + } + if(ulSlotPresent == true || slotCfg == UL_SLOT) + { + k0K1InfoTbl->k0k1TimingInfo[slotIdx].k0Indexes[numK0].k1TimingInfo.k1Indexes[numK1++] = k1Index; + /* TODO Store K1 index where harq feedback will be received + * in harq table. */ + } + } + } + + /* Store all the values if all condition satisfies. */ + if(numK1) + { + k0K1InfoTbl->k0k1TimingInfo[slotIdx].k0Indexes[numK0].k1TimingInfo.numK1 = numK1; + k0K1InfoTbl->k0k1TimingInfo[slotIdx].k0Indexes[numK0].k0Index = k0Index; + numK0++; + } + } + if(numK0) + { + k0K1InfoTbl->k0k1TimingInfo[slotIdx].numK0 = numK0; + } + } +#endif + } +} + +/******************************************************************* +* +* @brief Fills K2 information table for FDD +* +* @details +* +* Function : BuildK2InfoTableForFdd +* +* Functionality: +* Fills K2 information table for FDD +* +* @params[in] SchCellCb *cell,SchPuschTimeDomRsrcAlloc timeDomRsrcAllocList[], +* uint16_t puschSymTblSize,SchK2TimingInfoTbl *k2InfoTbl +* @return ROK - success +* RFAILED - failure +* +* ****************************************************************/ +void BuildK2InfoTableForFdd(SchCellCb *cell, SchPuschTimeDomRsrcAlloc timeDomRsrcAllocList[], uint16_t puschSymTblSize,\ +SchK2TimingInfoTbl *msg3K2InfoTbl, SchK2TimingInfoTbl *k2InfoTbl) +{ + uint16_t slotIdx=0, k2Index=0, k2TmpIdx=0, msg3K2TmpIdx=0; + + /* Initialization the structure and storing the total slot values. */ + memset(k2InfoTbl, 0, sizeof(SchK2TimingInfoTbl)); + k2InfoTbl->tblSize = cell->numSlots; + if(msg3K2InfoTbl) + msg3K2InfoTbl->tblSize = cell->numSlots; + + /* Checking all possible indexes for K2. */ + for(slotIdx = 0; slotIdx < cell->numSlots; slotIdx++) + { + /* Storing K2 values. */ + for(k2Index = 0; ((k2Index < puschSymTblSize) && (k2Index < MAX_NUM_K2_IDX)); k2Index++) + { + k2TmpIdx= k2InfoTbl->k2TimingInfo[slotIdx].numK2; + k2InfoTbl->k2TimingInfo[slotIdx].k2Indexes[k2TmpIdx] = k2Index; + k2InfoTbl->k2TimingInfo[slotIdx].numK2++; + + /* Updating K2 values for MSG3 */ + if(msg3K2InfoTbl) + { + msg3K2TmpIdx = msg3K2InfoTbl->k2TimingInfo[slotIdx].numK2; + msg3K2InfoTbl->k2TimingInfo[slotIdx].k2Indexes[msg3K2TmpIdx] = k2Index; + msg3K2InfoTbl->k2TimingInfo[slotIdx].numK2++; + } + } + } +} + +/******************************************************************* + * + * @brief Fills K2 information table + * + * @details + * + * Function : BuildK2InfoTable + * + * Functionality: + * Fills K2 information table + * + * @params[in] SchCellCb *cell,SchPuschTimeDomRsrcAlloc timeDomRsrcAllocList[], + * uint16_t puschSymTblSize, SchK2TimingInfoTbl *k2InfoTbl + * @return ROK - success + * RFAILED - failure + * + * ****************************************************************/ +void BuildK2InfoTable(SchCellCb *cell, SchPuschTimeDomRsrcAlloc timeDomRsrcAllocList[], uint16_t puschSymTblSize,\ +SchK2TimingInfoTbl *msg3K2InfoTbl, SchK2TimingInfoTbl *k2InfoTbl) +{ + +#ifdef NR_TDD + bool dlSymbolPresent = false; + uint8_t slotIdx=0, k2Index=0, k2Val=0, k2TmpVal=0, msg3K2TmpVal=0, msg3Delta=0, numK2 =0, currentSymbol =0; + uint8_t startSymbol =0, endSymbol =0, checkSymbol=0, totalCfgSlot=0, slotCfg=0; + SlotConfig currentSlot; +#endif + + if(cell->cellCfg.dupMode == DUPLEX_MODE_FDD) + { + BuildK2InfoTableForFdd(cell, timeDomRsrcAllocList, puschSymTblSize, msg3K2InfoTbl, k2InfoTbl); + } + else + { +#ifdef NR_TDD + + /* Initialization the structure and storing the total slot values. */ + memset(k2InfoTbl, 0, sizeof(SchK2TimingInfoTbl)); + k2InfoTbl->tblSize = cell->numSlots; + if(msg3K2InfoTbl) + msg3K2InfoTbl->tblSize = cell->numSlots; + totalCfgSlot = calculateSlotPatternLength(cell->cellCfg.ssbScs, cell->cellCfg.tddCfg.tddPeriod); + + /* Checking all possible indexes for K2. */ + for(slotIdx = 0; slotIdx < cell->numSlots; slotIdx++) + { + currentSlot = schGetSlotSymbFrmt(slotIdx % totalCfgSlot, cell->slotFrmtBitMap); + + /* If current slot is UL then skip because PDCCH is sent only in DL slots */ + if(currentSlot != UL_SLOT) + { + for(k2Index = 0; ((k2Index < puschSymTblSize) && (k2Index < MAX_NUM_K2_IDX)); k2Index++) + { + /* Storing k2, startSymbol, endSymbol information for further processing. + * If k2 is absent then fill the default values given in spec 38.331 + * PUSCH-TimeDomainResourceAllocationList field descriptions */ + k2Val = timeDomRsrcAllocList[k2Index].k2; + if(!k2Val) + { + switch(cell->cellCfg.ssbScs) + { + case SCS_15KHZ: + k2Val = DEFAULT_K2_VALUE_FOR_SCS15; + break; + case SCS_30KHZ: + k2Val = DEFAULT_K2_VALUE_FOR_SCS30; + break; + case SCS_60KHZ: + k2Val = DEFAULT_K2_VALUE_FOR_SCS60; + break; + case SCS_120KHZ: + k2Val = DEFAULT_K2_VALUE_FOR_SCS120; + break; + } + } + + /* Current slot + k2 should be either UL or FLEXI slot. + * If slot is FLEXI then check all the symbols of that slot, + * it should not contain any DL or FLEXI slot */ + k2TmpVal = (slotIdx + k2Val) % totalCfgSlot; + slotCfg = schGetSlotSymbFrmt(k2TmpVal, cell->slotFrmtBitMap); + if(slotCfg != DL_SLOT) + { + if(slotCfg == FLEXI_SLOT) + { + startSymbol = timeDomRsrcAllocList[k2Index].startSymbol; + endSymbol = startSymbol+ timeDomRsrcAllocList[k2Index].symbolLength; + dlSymbolPresent = false; + for(checkSymbol= startSymbol; checkSymbolslotCfg[k2TmpVal][checkSymbol]; + if(currentSymbol == DL_SLOT || currentSymbol == FLEXI_SLOT) + { + dlSymbolPresent = true; + break; + } + } + } + /* Store all the values if all condition satisfies. */ + if(dlSymbolPresent != true || slotCfg == UL_SLOT) + { + numK2 = k2InfoTbl->k2TimingInfo[slotIdx].numK2; + k2InfoTbl->k2TimingInfo[slotIdx].k2Indexes[numK2] = k2Index; + k2InfoTbl->k2TimingInfo[slotIdx].numK2++; + } + } + + if(msg3K2InfoTbl) + { + msg3Delta = puschDeltaTable[cell->numerology]; + + /* Check for K2 for MSG3 */ + /* Current slot + k2 should be either UL or FLEXI slot. + * If slot is FLEXI then check all the symbols of that slot, + * it should not contain any DL or FLEXI slot */ + msg3K2TmpVal = (slotIdx + k2Val + msg3Delta) % totalCfgSlot; + slotCfg = schGetSlotSymbFrmt(msg3K2TmpVal, cell->slotFrmtBitMap); + if(slotCfg != DL_SLOT) + { + if(slotCfg == FLEXI_SLOT) + { + startSymbol = timeDomRsrcAllocList[k2Index].startSymbol; + endSymbol = startSymbol+ timeDomRsrcAllocList[k2Index].symbolLength; + dlSymbolPresent = false; + for(checkSymbol= startSymbol; checkSymbolslotCfg[msg3K2TmpVal][checkSymbol]; + if(currentSymbol == DL_SLOT || currentSymbol == FLEXI_SLOT) + { + dlSymbolPresent = true; + break; + } + } + } + /* Store all the values if all condition satisfies. */ + if(dlSymbolPresent != true || slotCfg == UL_SLOT) + { + numK2 = msg3K2InfoTbl->k2TimingInfo[slotIdx].numK2; + msg3K2InfoTbl->k2TimingInfo[slotIdx].k2Indexes[numK2] = k2Index; + msg3K2InfoTbl->k2TimingInfo[slotIdx].numK2++; + } + } + } + } + } + } +#endif + } +} + +/******************************************************************************************* + * + * @brief Allocate the PRB using RRM policy + * + * @details + * + * Function : prbAllocUsingRRMPolicy + * + * Functionality: + * [Step1]: Traverse each Node in the LC list + * [Step2]: Check whether the LC has ZERO requirement then clean this LC + * [Step3]: Calcualte the maxPRB for this LC. + * a. For Dedicated LC, maxPRB = sum of remainingReservedPRB and + * sharedPRB + * b. For Default, just SharedPRB count + * [Step4]: If the LC is the First one to be allocated for this UE then add + * TX_PAYLODN_LEN to reqBO + * [Step5]: Calculate the estimate PRB and estimate BO to be allocated + * based on reqBO and maxPRB left. + * [Step6]: Based on calculated PRB, Update Reserved PRB and Shared PRB counts + * [Step7]: Deduce the reqBO based on allocBO and move the LC node to last. + * [Step8]: Continue the next loop from List->head + * + * [Loop Exit]: + * [Exit1]: If all the LCs are allocated in list + * [Exit2]: If PRBs are exhausted + * + * @params[in] I/P > lcLinkList pointer (LcInfo list) + * I/P > IsDedicatedPRB (Flag to indicate that RESERVED PRB to use + * I/P > mcsIdx and PDSCH symbols count + * I/P & O/P > Shared PRB , reserved PRB Count + * I/P & O/P > Total TBS size accumulated + * I/P & O/P > isTxPayloadLenAdded[For DL] : Decision flag to add the TX_PAYLOAD_HDR_LEN + * I/P & O/P > srRcvd Flag[For UL] : Decision flag to add UL_GRANT_SIZE + * + * @return void + * + * *******************************************************************************************/ +void prbAllocUsingRRMPolicy(CmLListCp *lcLL, bool isDedicatedPRB, uint16_t mcsIdx,uint8_t numSymbols,\ + uint16_t *sharedPRB, uint16_t *reservedPRB, bool *isTxPayloadLenAdded, bool *srRcvd) +{ + CmLList *node = NULLP; + LcInfo *lcNode = NULLP; + uint16_t remReservedPRB = 0, estPrb = 0, maxPRB = 0; + + if(lcLL == NULLP) + { + DU_LOG("\nERROR --> SCH: LcList not present"); + return; + } + node = lcLL->first; + + /*Only for Dedicated LcList, Valid value will be assigned to remReservedPRB + * For Other LcList, remReservedPRB = 0*/ + if(reservedPRB != NULLP && isDedicatedPRB == TRUE) + { + remReservedPRB = *reservedPRB; + } + + /*[Step1]*/ + while(node) + { +#if 0 + /*For Debugging purpose*/ + printLcLL(lcLL); +#endif + lcNode = (LcInfo *)node->node; + + /* [Step2]: Below condition will hit in rare case as it has been taken care during the cleaning + * process of LCID which was fully allocated. Check is just for safety purpose*/ + if(lcNode->reqBO == 0 && lcNode->allocBO == 0) + { + DU_LOG("\nERROR --> SCH: LCID:%d has no requirement, clearing this node",\ + lcNode->lcId); + deleteNodeFromLList(lcLL, node); + SCH_FREE(lcNode, sizeof(LcInfo)); + node = lcLL->first; + continue; + } + + /*[Exit1]: All LCs are allocated(allocBO = 0 for fully unallocated LC)*/ + if(lcNode->allocBO != 0) + { + DU_LOG("\nDEBUG --> SCH: All LC are allocated [SharedPRB:%d]",*sharedPRB); + return; + } + + /*[Exit2]: If PRBs are exhausted*/ + if(isDedicatedPRB) + { + /*Loop Exit: All resources exhausted*/ + if(remReservedPRB == 0 && *sharedPRB == 0) + { + DU_LOG("\nDEBUG --> SCH: Dedicated resources exhausted for LC:%d",lcNode->lcId); + return; + } + } + else + { + /*Loop Exit: All resources exhausted*/ + if(*sharedPRB == 0) + { + DU_LOG("\nDEBUG --> SCH: Default resources exhausted for LC:%d",lcNode->lcId); + return; + } + } + + /*[Step3]*/ + maxPRB = remReservedPRB + *sharedPRB; + + /*[Step4]*/ + if((isTxPayloadLenAdded != NULLP) && (*isTxPayloadLenAdded == FALSE)) + { + DU_LOG("\nDEBUG --> SCH: LC:%d is the First node to be allocated which includes TX_PAYLOAD_HDR_LEN",\ + lcNode->lcId); + *isTxPayloadLenAdded = TRUE; + lcNode->allocBO = calculateEstimateTBSize((lcNode->reqBO + TX_PAYLOAD_HDR_LEN),\ + mcsIdx, numSymbols, maxPRB, &estPrb); + lcNode->allocBO -=TX_PAYLOAD_HDR_LEN; + } + else if((srRcvd != NULLP) && (*srRcvd == TRUE)) + { + DU_LOG("\nDEBUG --> SCH: LC:%d is the First node to be allocated which includes UL_GRANT_SIZE",\ + lcNode->lcId); + *srRcvd = FALSE; + lcNode->reqBO += UL_GRANT_SIZE; + lcNode->allocBO = calculateEstimateTBSize(lcNode->reqBO, mcsIdx, numSymbols, maxPRB, &estPrb); + } + else + { + /*[Step4]*/ + lcNode->allocBO = calculateEstimateTBSize(lcNode->reqBO,\ + mcsIdx, numSymbols, maxPRB, &estPrb); + } + + /*[Step6]:Re-adjust the reservedPRB pool count and *SharedPRB Count based on + * estimated PRB allocated*/ + if((isDedicatedPRB == TRUE) && (estPrb <= remReservedPRB)) + { + remReservedPRB = remReservedPRB - estPrb; + } + else /*LC requirement need PRB share from SharedPRB*/ + { + if(*sharedPRB <= (estPrb - remReservedPRB)) + { + DU_LOG("\nDEBUG --> SCH: SharedPRB is less"); + *sharedPRB = 0; + } + else + { + *sharedPRB = *sharedPRB - (estPrb - remReservedPRB); + } + remReservedPRB = 0; + } + + /*[Step7]*/ + lcNode->reqBO -= lcNode->allocBO; /*Update the reqBO with remaining bytes unallocated*/ + lcNode->allocPRB = estPrb; + cmLListAdd2Tail(lcLL, cmLListDelFrm(lcLL, node)); + + /*[Step8]:Next loop: First LC to be picked from the list + * because Allocated Nodes are moved to the last*/ + node = lcLL->first; + + } + return; +} + +/******************************************************************************************* + * + * @brief Check the LC List and fill the LC and GrantSize to be sent to MAC as + * BO Report + * + * @details + * + * Function : updateGrantSizeForBoRpt + * + * Functionality: + * Check the LC List and fill the LC and GrantSize to be sent to MAC as + * BO Report in dlMsgAlloc Pointer + * + * @params[in] I/P > lcLinkList pointer (LcInfo list) + * I/P & O/P > dlMsgAlloc[for DL](Pending LC to be added in this context) + * I/P & O/P > BsrInfo (applicable for UL) + * I/P & O/P > accumalatedBOSize + * @return void + * + * *******************************************************************************************/ +void updateGrantSizeForBoRpt(CmLListCp *lcLL, DlMsgSchInfo *dlMsgAlloc,\ + BsrInfo *bsrInfo, uint32_t *accumalatedBOSize) +{ + CmLList *node = NULLP, *next = NULLP; + LcInfo *lcNode = NULLP; + + if(lcLL == NULLP) + { + DU_LOG("\nERROR --> SCH: LcList not present"); + return; + } + + if(lcLL->count) + { + node = lcLL->first; + } + else + { + /*lcLL is empty*/ + return; + } + + /*Traverse List*/ + while(node) + { + next = node->next; + lcNode = (LcInfo *)node->node; + if(lcNode != NULLP) + { + DU_LOG("\nINFO --> SCH : LcID:%d, [reqBO, allocBO, allocPRB]:[%d,%d,%d]",\ + lcNode->lcId, lcNode->reqBO, lcNode->allocBO, lcNode->allocPRB); + if(dlMsgAlloc != NULLP) + { + + /*Add this LC to dlMsgAlloc so that if this LC gets allocated, BO + * report for allocation can be sent to MAC*/ + dlMsgAlloc->numOfTbs = 1; + dlMsgAlloc->transportBlock[0].lcSchInfo[dlMsgAlloc->transportBlock[0].numLc].lcId = lcNode->lcId; + dlMsgAlloc->transportBlock[0].lcSchInfo[dlMsgAlloc->transportBlock[0].numLc].schBytes = lcNode->allocBO; + + /*Calculate the Total Payload/BO size allocated*/ + *accumalatedBOSize += dlMsgAlloc->transportBlock[0].lcSchInfo[dlMsgAlloc->transportBlock[0].numLc].schBytes; + + DU_LOG("\nINFO --> SCH: Added in MAC BO report: LCID:%d,reqBO:%d,Idx:%d, TotalBO Size:%d",\ + lcNode->lcId,lcNode->reqBO, dlMsgAlloc->transportBlock[0].numLc, *accumalatedBOSize); + + dlMsgAlloc->transportBlock[0].numLc++; + handleLcLList(lcLL, lcNode->lcId, DELETE); + } + else if(bsrInfo != NULLP) + { + *accumalatedBOSize += lcNode->allocBO; + DU_LOG("\nINFO --> SCH: UL : LCID:%d,reqBO:%d, TotalBO Size:%d",\ + lcNode->lcId,lcNode->reqBO, *accumalatedBOSize); + } + } + node = next; + }/*End of while*/ + return; +} + +/******************************************************************* +* +* @brief fill DL message information for MSG4 and Dedicated DL Msg +* +* @details +* +* Function : fillDlMsgInfo +* +* Functionality: +* fill DL message information for MSG4 and Dedicated DL Msg +* +* @params[in] DlMsgInfo *dlMsgInfo, uint16_t crnti +* @params[in] bool isRetx, SchDlHqProcCb *hqP +* @return void +* +*******************************************************************/ +void fillDlMsgInfo(DlMsgSchInfo *dlMsgSchInfo, uint16_t crnti, bool isRetx, SchDlHqProcCb *hqP) +{ + hqP->tbInfo[0].isEnabled = TRUE; + hqP->tbInfo[0].state = HQ_TB_WAITING; + hqP->tbInfo[0].txCntr++; + hqP->tbInfo[1].isEnabled = TRUE; + hqP->tbInfo[1].state = HQ_TB_WAITING; + hqP->tbInfo[1].txCntr++; + dlMsgSchInfo->crnti = crnti; + dlMsgSchInfo->transportBlock[0].ndi = hqP->tbInfo[0].ndi; /*How to handle two tb case?TBD*/ + dlMsgSchInfo->harqProcNum = hqP->procId; + dlMsgSchInfo->dlAssignIdx = 0; + dlMsgSchInfo->pucchTpc = 0; + dlMsgSchInfo->pucchResInd = 0; + dlMsgSchInfo->harqFeedbackInd = hqP->k1; + dlMsgSchInfo->dciFormatId = 1; +} + +/******************************************************************* + * + * @brief sch Process pending Msg4 Req + * + * @details + * + * Function : schProcessMsg4Req + * + * Functionality: + * sch Process pending Msg4 Req + * + * @params[in] SchCellCb *cell, cell cb struct pointer + * @params[in] SlotTimingInfo currTime, current timing info + * @params[in] uint8_t ueId, ue ID + * @params[in] bool isRetxMsg4, indicator to MSG4 retransmission + * @params[in] SchDlHqProcCb **msg4HqProc, address of MSG4 HARQ proc pointer + * @return ROK - success + * RFAILED - failure + * + *******************************************************************/ + +uint8_t schProcessMsg4Req(SchCellCb *cell, SlotTimingInfo currTime, uint8_t ueId, bool isRetxMsg4, SchDlHqProcCb **msg4HqProc) +{ + uint8_t pdschStartSymbol = 0, pdschNumSymbols = 0; + SlotTimingInfo pdcchTime, pdschTime, pucchTime; + DlMsgSchInfo *dciSlotAlloc = NULLP; /* Stores info for transmission of PDCCH for Msg4 */ + DlMsgSchInfo *msg4SlotAlloc = NULLP; /* Stores info for transmission of PDSCH for Msg4 */ + + if(cell == NULL) + { + DU_LOG("\nERROR --> SCH: schProcessMsg4Req() : Cell is NULL"); + return RFAILED; + } + + if (isRetxMsg4 == FALSE) + { + if (RFAILED == schDlGetAvlHqProcess(cell, &cell->ueCb[ueId - 1], msg4HqProc)) + { + DU_LOG("\nERROR --> SCH: schProcessMsg4Req() : No process"); + return RFAILED; + } + } + + if(findValidK0K1Value(cell, currTime, ueId, false, &pdschStartSymbol, &pdschNumSymbols, &pdcchTime, &pdschTime,\ + &pucchTime, isRetxMsg4, *msg4HqProc) != true ) + { + DU_LOG("\nERROR --> SCH: schProcessMsg4Req() : k0 k1 not found"); + return RFAILED; + } + + if(cell->schDlSlotInfo[pdcchTime.slot]->dlMsgAlloc[ueId-1] == NULL) + { + SCH_ALLOC(dciSlotAlloc, sizeof(DlMsgSchInfo)); + if(dciSlotAlloc == NULLP) + { + DU_LOG("\nERROR --> SCH : Memory Allocation failed for dciSlotAlloc"); + return RFAILED; + } + cell->schDlSlotInfo[pdcchTime.slot]->dlMsgAlloc[ueId-1] = dciSlotAlloc; + memset(dciSlotAlloc, 0, sizeof(DlMsgSchInfo)); + } + else + dciSlotAlloc = cell->schDlSlotInfo[pdcchTime.slot]->dlMsgAlloc[ueId-1]; + + /* Fill PDCCH and PDSCH scheduling information for Msg4 */ + if((schDlRsrcAllocMsg4(cell, pdschTime, ueId, dciSlotAlloc, pdschStartSymbol, pdschNumSymbols, isRetxMsg4, *msg4HqProc)) != ROK) + { + DU_LOG("\nERROR --> SCH: Scheduling of Msg4 failed in slot [%d]", pdschTime.slot); + if(!dciSlotAlloc->dlMsgPdschCfg) + { + SCH_FREE(dciSlotAlloc, sizeof(DlMsgSchInfo)); + cell->schDlSlotInfo[pdcchTime.slot]->dlMsgAlloc[ueId-1] = NULLP; + } + return RFAILED; + } + + /* Check if both DCI and RAR are sent in the same slot. + * If not, allocate memory RAR PDSCH slot to store RAR info + */ + if(pdcchTime.slot == pdschTime.slot) + { + SCH_ALLOC(dciSlotAlloc->dlMsgPdschCfg, sizeof(PdschCfg)); + if(!dciSlotAlloc->dlMsgPdschCfg) + { + DU_LOG("\nERROR --> SCH : Memory Allocation failed for dciSlotAlloc->dlMsgPdschCfg"); + SCH_FREE(dciSlotAlloc->dlMsgPdcchCfg, sizeof(PdcchCfg)); + SCH_FREE(dciSlotAlloc, sizeof(DlMsgSchInfo)); + cell->schDlSlotInfo[pdcchTime.slot]->dlMsgAlloc[ueId-1] = NULLP; + return RFAILED; + } + memcpy(dciSlotAlloc->dlMsgPdschCfg, &dciSlotAlloc->dlMsgPdcchCfg->dci.pdschCfg, sizeof(PdschCfg)); + } + else + { + /* Allocate memory to schedule rarSlot to send RAR, pointer will be checked at schProcessSlotInd() */ + if(cell->schDlSlotInfo[pdschTime.slot]->dlMsgAlloc[ueId-1] == NULL) + { + SCH_ALLOC(msg4SlotAlloc, sizeof(DlMsgSchInfo)); + if(msg4SlotAlloc == NULLP) + { + DU_LOG("\nERROR --> SCH : Memory Allocation failed for msg4SlotAlloc"); + SCH_FREE(dciSlotAlloc->dlMsgPdcchCfg, sizeof(PdcchCfg)); + if(!dciSlotAlloc->dlMsgPdschCfg) + { + SCH_FREE(dciSlotAlloc, sizeof(DlMsgSchInfo)); + cell->schDlSlotInfo[pdcchTime.slot]->dlMsgAlloc[ueId-1] = NULLP; + } + return RFAILED; + } + cell->schDlSlotInfo[pdschTime.slot]->dlMsgAlloc[ueId-1] = msg4SlotAlloc; + memset(msg4SlotAlloc, 0, sizeof(DlMsgSchInfo)); + } + else + msg4SlotAlloc = cell->schDlSlotInfo[pdschTime.slot]->dlMsgAlloc[ueId-1]; + + /* Copy all msg4 pdschcfg info */ + msg4SlotAlloc->crnti =dciSlotAlloc->crnti; + msg4SlotAlloc->bwp = dciSlotAlloc->bwp; + SCH_ALLOC(msg4SlotAlloc->dlMsgPdschCfg, sizeof(PdschCfg)); + if(msg4SlotAlloc->dlMsgPdschCfg) + { + memcpy(msg4SlotAlloc->dlMsgPdschCfg, &dciSlotAlloc->dlMsgPdcchCfg->dci.pdschCfg, sizeof(PdschCfg)); + } + else + { + SCH_FREE(dciSlotAlloc->dlMsgPdcchCfg, sizeof(PdcchCfg)); + if(dciSlotAlloc->dlMsgPdschCfg == NULLP) + { + SCH_FREE(dciSlotAlloc, sizeof(DlMsgSchInfo)); + cell->schDlSlotInfo[pdcchTime.slot]->dlMsgAlloc[ueId-1] = NULLP; + + } + SCH_FREE(msg4SlotAlloc, sizeof(DlMsgSchInfo)); + cell->schDlSlotInfo[pdschTime.slot]->dlMsgAlloc[ueId-1] = NULLP; + DU_LOG("\nERROR --> SCH : Memory Allocation failed for msg4SlotAlloc->dlMsgPdschCfg"); + return RFAILED; + } + } + + /* PUCCH resource */ + schAllocPucchResource(cell, pucchTime, cell->raCb[ueId-1].tcrnti, &cell->ueCb[ueId-1], isRetxMsg4, *msg4HqProc); + + cell->schDlSlotInfo[pdcchTime.slot]->pdcchUe = ueId; + cell->schDlSlotInfo[pdschTime.slot]->pdschUe = ueId; + cell->schUlSlotInfo[pucchTime.slot]->pucchUe = ueId; + cell->raCb[ueId-1].msg4recvd = FALSE; + if(isRetxMsg4) + { + cell->ueCb[ueId-1].retxMsg4HqProc= NULLP; + } + return ROK; +} + +/******************************************************************* + * + * @brief sch Process pending Sr or Bsr Req + * + * @details + * + * Function : updateBsrAndLcList + * + * Functionality: + * Updating the BSRInfo in UECB and Lclist + * + * @params[in] SchCellCb *cell, SlotTimingInfo currTime + * @return ROK - success + * RFAILED - failure + * + *******************************************************************/ +void updateBsrAndLcList(CmLListCp *lcLL, BsrInfo *bsrInfo, uint8_t status) +{ + CmLList *node = NULLP, *next = NULLP; + LcInfo *lcNode = NULLP; + + if(lcLL == NULLP) + { + DU_LOG("\nERROR --> SCH: LcList not present"); + return; + } + + if(lcLL->count) + { + node = lcLL->first; + } + else + { + /*lcLL is empty*/ + return; + } + + while(node) + { + next = node->next; + lcNode = (LcInfo *)node->node; + if(lcNode != NULLP) + { + /*Only when Status is OK then allocation is marked as ZERO and reqBO + * is updated in UE's DB. If Failure, then allocation is added to reqBO + * and same is updated in Ue's DB inside BSR Info structure*/ + if(status == ROK) + { + lcNode->allocBO = 0; + } + + lcNode->reqBO += lcNode->allocBO; + bsrInfo[lcNode->lcId].dataVol = lcNode->reqBO; + if(lcNode->reqBO == 0) + { + handleLcLList(lcLL, lcNode->lcId, DELETE); + } + } + node = next; + } +} + +/******************************************************************* + * + * @brief sch Process pending Sr or Bsr Req + * + * @details + * + * Function : schProcessSrOrBsrReq + * + * Functionality: + * sch Process pending Sr or Bsr Req + * + * @params[in] SchCellCb *cell, SlotTimingInfo currTime + * @params[in] uint8_t ueId, Bool isRetx, SchUlHqProcCb **hqP + * @return true - success + * false - failure + * + *******************************************************************/ +bool schProcessSrOrBsrReq(SchCellCb *cell, SlotTimingInfo currTime, uint8_t ueId, bool isRetx, SchUlHqProcCb **hqP) +{ + bool k2Found = FALSE; + uint8_t startSymb = 0, symbLen = 0; + uint8_t k2TblIdx = 0, k2Index = 0, k2Val = 0; + SchUeCb *ueCb; + SchK2TimingInfoTbl *k2InfoTbl=NULLP; + SlotTimingInfo dciTime, puschTime; + + if(cell == NULLP) + { + DU_LOG("\nERROR --> SCH: schProcessSrOrBsrReq() : Cell is NULL"); + return false; + } + + ueCb = &cell->ueCb[ueId-1]; + + if(ueCb == NULLP) + { + DU_LOG("\nERROR --> SCH: schProcessSrOrBsrReq() : UE is NULL"); + return false; + } + + if (isRetx == FALSE) + { + if (schUlGetAvlHqProcess(cell, ueCb, hqP) != ROK) + { + return RFAILED; + } + } + + /* Calculating time frame to send DCI for SR */ + ADD_DELTA_TO_TIME(currTime, dciTime, PHY_DELTA_DL + SCHED_DELTA, cell->numSlots); +#ifdef NR_TDD + if(schGetSlotSymbFrmt(dciTime.slot, cell->slotFrmtBitMap) == DL_SLOT) +#endif + { + if(ueCb->k2TblPrsnt) + k2InfoTbl = &ueCb->k2InfoTbl; + else + k2InfoTbl = &cell->k2InfoTbl; + + for(k2TblIdx = 0; k2TblIdx < k2InfoTbl->k2TimingInfo[dciTime.slot].numK2; k2TblIdx++) + { + k2Index = k2InfoTbl->k2TimingInfo[dciTime.slot].k2Indexes[k2TblIdx]; + + if(!ueCb->k2TblPrsnt) + { + k2Val = cell->cellCfg.ulCfgCommon.schInitialUlBwp.puschCommon.timeDomRsrcAllocList[k2Index].k2; + startSymb = cell->cellCfg.ulCfgCommon.schInitialUlBwp.puschCommon.timeDomRsrcAllocList[k2Index].startSymbol; + symbLen = cell->cellCfg.ulCfgCommon.schInitialUlBwp.puschCommon.timeDomRsrcAllocList[k2Index].symbolLength; + } + else + { + k2Val = ueCb->ueCfg.spCellCfg.servCellRecfg.initUlBwp.puschCfg.timeDomRsrcAllocList[k2Index].k2; + startSymb = ueCb->ueCfg.spCellCfg.servCellRecfg.initUlBwp.puschCfg.timeDomRsrcAllocList[k2Index].startSymbol; + symbLen = ueCb->ueCfg.spCellCfg.servCellRecfg.initUlBwp.puschCfg.timeDomRsrcAllocList[k2Index].symbolLength; + } + /* Check for number of Symbol of PUSCH should be same as original in case of transmisson*/ + /* Calculating time frame to send PUSCH for SR */ + ADD_DELTA_TO_TIME(dciTime, puschTime, k2Val, cell->numSlots); +#ifdef NR_TDD + if(schGetSlotSymbFrmt(puschTime.slot, cell->slotFrmtBitMap) == DL_SLOT) + continue; +#endif + if(cell->schUlSlotInfo[puschTime.slot]->puschUe != 0) + { + continue; + } + k2Found = true; + if(hqP) + { + ADD_DELTA_TO_TIME(puschTime, (*hqP)->puschTime, 0, cell->numSlots); + } + break; + } + } + + if(k2Found == true) + { + if(cell->api->SchScheduleUlLc(dciTime, puschTime, startSymb, symbLen, isRetx, hqP) != ROK) + return false; + } + else + { + DU_LOG("\nDEBUG --> SCH : schProcessSrOrBsrReq(): K2 value is not found"); + return false; + } + return true; +} + +/******************************************************************************** + * + * @brief Increment the Slot by a input factor + * + * @details + * + * Function : schIncrSlot + * + * Functionality: + * Increment the slot by a input factor till num of Slots configured in a + * Radio Frame. If it exceeds, move to next sfn. + * + * @params[in/out] SlotTimingInfo timingInfo + * [in] uint8_t incr [Increment factor] + * [in] numSlotsPerRF [Number of Slots configured per RF as per + * numerology] + * @return ROK - success + * RFAILED - failure + * + *******************************************************************/ +void schIncrSlot(SlotTimingInfo *timingInfo, uint8_t incr, uint16_t numSlotsPerRF) +{ + timingInfo->slot += incr; + if(timingInfo->slot >= numSlotsPerRF) + { + timingInfo->sfn += timingInfo->slot/numSlotsPerRF; + timingInfo->slot %= numSlotsPerRF; + if(timingInfo->sfn > MAX_SFN) + { + timingInfo->sfn %= MAX_SFN; + } + } +} + +/******************************************************************* +* +* @brief Fill PDSCH info in Page Alloc +* +* @details +* +* Function : schFillPagePdschCfg +* +* Functionality: Fill PDSCH info in Page Alloc +* +* @params[in] SchCellCb *cell, PdschCfg *pagePdschCfg, SlotTimingInfo slotTime, +* uint16_t tbsSize, uint8_t mcs, uint16_t startPrb +* +* @return pointer to return Value(ROK, RFAILED) +* +* ****************************************************************/ +uint8_t schFillPagePdschCfg(SchCellCb *cell, PageDlSch *pageDlSch, SlotTimingInfo slotTime, uint16_t tbSize, uint8_t mcs, uint16_t startPrb) +{ + uint8_t dmrsStartSymbol, startSymbol, numSymbol; + + /* fill the PDSCH PDU */ + + pageDlSch->tbInfo.mcs = mcs; + tbSize = tbSize + TX_PAYLOAD_HDR_LEN; + pageDlSch->tbInfo.tbSize = tbSize; + pageDlSch->dmrs.dmrsType = 0; /* type-1 */ + pageDlSch->dmrs.nrOfDmrsSymbols = NUM_DMRS_SYMBOLS; + pageDlSch->dmrs.dmrsAddPos = DMRS_ADDITIONAL_POS; + + /* the RB numbering starts from coreset0, and PDSCH is always above SSB */ + pageDlSch->freqAlloc.startPrb = startPrb; + pageDlSch->freqAlloc.numPrb = schCalcNumPrb(tbSize, mcs, NUM_PDSCH_SYMBOL); + pageDlSch->vrbPrbMapping = 0; /* non-interleaved */ + /* This is Intel's requirement. PDSCH should start after PDSCH DRMS symbol */ + pageDlSch->timeAlloc.mappingType = DMRS_MAP_TYPE_A; /* Type-A */ + pageDlSch->timeAlloc.startSymb = 3; /* spec-38.214, Table 5.1.2.1-1 */ + pageDlSch->timeAlloc.numSymb = NUM_PDSCH_SYMBOL; + + /* Find total symbols occupied including DMRS */ + dmrsStartSymbol = findDmrsStartSymbol(4); + /* If there are no DRMS symbols, findDmrsStartSymbol() returns MAX_SYMB_PER_SLOT, + * in that case only PDSCH symbols are marked as occupied */ + if(dmrsStartSymbol == MAX_SYMB_PER_SLOT) + { + startSymbol = pageDlSch->timeAlloc.startSymb; + numSymbol = pageDlSch->timeAlloc.numSymb; + } + /* If DMRS symbol is found, mark DMRS and PDSCH symbols as occupied */ + else + { + startSymbol = dmrsStartSymbol; + numSymbol = pageDlSch->dmrs.nrOfDmrsSymbols + pageDlSch->timeAlloc.numSymb; + } + + /* Allocate the number of PRBs required for DL PDSCH */ + if((allocatePrbDl(cell, slotTime, startSymbol, numSymbol,\ + &pageDlSch->freqAlloc.startPrb, pageDlSch->freqAlloc.numPrb)) != ROK) + { + DU_LOG("\nERROR --> SCH : allocatePrbDl() failed for DL MSG"); + return RFAILED; + } + return ROK; +} + +/** + * @brief Handles retransmission for MSG3 + * + * @details + * + * Function : schMsg3RetxSchedulingForUe + * + * This function handles retransmission for MSG3 + * + * @param[in] SchRaCb *raCb, RA cb pointer + * @return + * -# ROK + * -# RFAILED + **/ +uint8_t schMsg3RetxSchedulingForUe(SchRaCb *raCb) +{ + bool k2Found = false; + uint16_t dciSlot = 0; + SlotTimingInfo dciTime, msg3Time; + SchCellCb *cell = NULLP; + SlotTimingInfo currTime; + DciInfo *dciInfo = NULLP; + cell = raCb->cell; + currTime = cell->slotInfo; + + /* Calculating time frame to send DCI for MSG3 Retx*/ + ADD_DELTA_TO_TIME(currTime, dciTime, PHY_DELTA_DL + SCHED_DELTA, cell->numSlots); +#ifdef NR_TDD + /* Consider this slot for sending DCI, only if it is a DL slot */ + if(schGetSlotSymbFrmt(dciSlot, raCb->cell->slotFrmtBitMap) == DL_SLOT) +#endif + { + /* If PDCCH is already scheduled on this slot, cannot schedule PDSCH for another UE here. */ + if(cell->schDlSlotInfo[dciSlot]->pdcchUe != 0) + return false; + + k2Found = schGetMsg3K2(cell, &raCb->msg3HqProc, dciTime.slot, &msg3Time, TRUE); + + if (!k2Found) + { + return RFAILED; + } + SCH_ALLOC(dciInfo, sizeof(DciInfo)); + if(!dciInfo) + { + DU_LOG("\nERROR --> SCH : Memory Allocation failed for dciInfo alloc"); + return RFAILED; + } + cell->schDlSlotInfo[msg3Time.slot]->ulGrant = dciInfo; + SCH_ALLOC(cell->schUlSlotInfo[msg3Time.slot]->schPuschInfo, sizeof(SchPuschInfo)); + memset(dciInfo,0,sizeof(DciInfo)); + schFillUlDciForMsg3Retx(raCb, cell->schUlSlotInfo[msg3Time.slot]->schPuschInfo, dciInfo); + } + raCb->retxMsg3HqProc = NULLP; + return ROK; +} + +/** + * @brief Get K2 value for MSG3 + * + * @details + * + * Function : schGetMsg3K2 + * + * This function gets K2 for MSG3 + * + * @param[in] SchCellCb *cell, Cell cb struc pointer + * @param[in] SchUlHqProcCb* msg3HqProc, msg3 harq proc pointer + * @param[in] uint16_t dlTime, DL time of scheduling + * @param[in] SlotTimingInfo *msg3Time, MSG3 timing info + * @param[in] bool isRetx, indicates MSG3 retransmission + * @return + * -# true + * -# false + **/ +bool schGetMsg3K2(SchCellCb *cell, SchUlHqProcCb* msg3HqProc, uint16_t dlTime, SlotTimingInfo *msg3Time, bool isRetx) +{ + bool k2Found = false; + uint8_t k2TblIdx = 0; + uint8_t k2Index = 0; + uint8_t k2 = 0; + uint8_t numK2 = 0; + uint8_t puschMu = 0; + uint8_t msg3Delta = 0, msg3MinSchTime = 0; +#ifdef NR_TDD + uint8_t totalCfgSlot = 0; +#endif + SchK2TimingInfoTbl *msg3K2InfoTbl=NULLP; + SlotTimingInfo currTime, msg3TempTime; + currTime = cell->slotInfo; + puschMu = cell->numerology; + + if (isRetx) + { + if(!msg3HqProc) + return false; + + numK2 = cell->k2InfoTbl.k2TimingInfo[dlTime].numK2; + msg3K2InfoTbl = &cell->msg3K2InfoTbl; + msg3MinSchTime = 0; + msg3Delta = 0; + } + else + { + numK2 = cell->msg3K2InfoTbl.k2TimingInfo[dlTime].numK2; + msg3K2InfoTbl = &cell->k2InfoTbl; + msg3MinSchTime = minMsg3SchTime[cell->numerology]; + msg3Delta = puschDeltaTable[puschMu]; + } + + for(k2TblIdx = 0; k2TblIdx < numK2; k2TblIdx++) + { + k2Index = msg3K2InfoTbl->k2TimingInfo[dlTime].k2Indexes[k2TblIdx]; + + k2 = cell->cellCfg.ulCfgCommon.schInitialUlBwp.puschCommon.timeDomRsrcAllocList[k2Index].k2; + if (isRetx) + { + if ((msg3HqProc->strtSymbl != cell->cellCfg.ulCfgCommon.schInitialUlBwp.puschCommon.timeDomRsrcAllocList[k2Index].startSymbol) || + (msg3HqProc->numSymbl != cell->cellCfg.ulCfgCommon.schInitialUlBwp.puschCommon.timeDomRsrcAllocList[k2Index].symbolLength)) + { + continue; + } + } + /* Delta is added to the slot allocation for msg3 based on 38.214 section 6.1.2.1 */ + k2 = k2 + msg3Delta; + if(k2 >= msg3MinSchTime) + { + ADD_DELTA_TO_TIME(currTime, msg3TempTime, k2, cell->numSlots); +#ifdef NR_TDD + if(schGetSlotSymbFrmt(msg3TempTime.slot % totalCfgSlot, cell->slotFrmtBitMap) == DL_SLOT) + continue; +#endif + /* If PUSCH is already scheduled on this slot, another PUSCH + * pdu cannot be scheduled here */ + if(cell->schUlSlotInfo[msg3TempTime.slot]->puschUe != 0) + continue; + k2Found = true; + break; + } + } + if (k2Found == true) + { + msg3Time->slot = msg3TempTime.slot; + msg3Time->sfn = msg3TempTime.sfn; + msg3Time->slot = msg3TempTime.slot; + } + return k2Found; +} + /********************************************************************** End of file **********************************************************************/