#include "sch.h"
#include "sch_utils.h"
-SchMacUlSchInfoFunc schMacUlSchInfoOpts[] =
-{
- packSchMacUlSchInfo,
- MacProcUlSchInfo,
- packSchMacUlSchInfo
-};
-
/**
* @brief common resource allocation for SSB
*
}
schDlSlotInfo = cell->schDlSlotInfo[slotTime.slot];
- ssbStartPrb = cell->cellCfg.ssbSchCfg.ssbOffsetPointA; //+Kssb
+ ssbStartPrb = cell->cellCfg.ssbSubcOffset; //+Kssb
ssbStartSymb = cell->ssbStartSymbArr[dlBrdcstAlloc->ssbIdxSupported-1]; /*since we are supporting only 1 ssb beam */
/* Assign interface structure */
{
uint8_t dmrsStartSymbol, startSymbol, numSymbol ;
DmrsInfo dmrs;
- FreqDomainAlloc freqAlloc;
- TimeDomainAlloc timeAlloc;
+ PdschFreqAlloc freqAlloc;
+ PdschTimeAlloc timeAlloc;
SchDlSlotInfo *schDlSlotInfo = NULLP;
if(cell == NULL)
DU_LOG("\nERROR --> SCH: schBroadcastSsbAlloc() : dlBrdcstAlloc is NULL");
return RFAILED;
}
-
- dmrs = cell->cellCfg.sib1SchCfg.sib1PdschCfg.dmrs;
- freqAlloc = cell->cellCfg.sib1SchCfg.sib1PdschCfg.pdschFreqAlloc.freqAlloc;
- timeAlloc = cell->cellCfg.sib1SchCfg.sib1PdschCfg.pdschTimeAlloc.timeAlloc;
+
+ 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 */
return RFAILED;
}
- 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->sib1Pres = true;
+ 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;
}
FILL_PST_SCH_TO_MAC(pst, inst);
pst.event = EVENT_UL_SCH_INFO;
- return(*schMacUlSchInfoOpts[pst.selector])(&pst, ulSchedInfo);
+ return(MacMessageRouter(&pst, (void *)ulSchedInfo));
}
/**
{
if(resrcInfo->SchPucchFormat.format0)
{
- ulSchedPucch->fdAlloc.numPrb = PUCCH_NUM_PRB_FORMAT_0_1_4;
+ ulSchedPucch->fdAlloc.resAlloc.type1.numPrb = PUCCH_NUM_PRB_FORMAT_0_1_4;
ulSchedPucch->pucchFormat = PUCCH_FORMAT_0;
ulSchedPucch->initialCyclicShift = resrcInfo->SchPucchFormat.format0->initialCyclicShift;
ulSchedPucch->tdAlloc.numSymb = resrcInfo->SchPucchFormat.format0->numSymbols;
{
if(resrcInfo->SchPucchFormat.format1)
{
- ulSchedPucch->fdAlloc.numPrb = PUCCH_NUM_PRB_FORMAT_0_1_4;
+ ulSchedPucch->fdAlloc.resAlloc.type1.numPrb = PUCCH_NUM_PRB_FORMAT_0_1_4;
ulSchedPucch->pucchFormat = PUCCH_FORMAT_1;
ulSchedPucch->initialCyclicShift = resrcInfo->SchPucchFormat.format1->initialCyclicShift;
ulSchedPucch->tdAlloc.numSymb = resrcInfo->SchPucchFormat.format1->numSymbols;
{
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;
* @return void
**/
-uint8_t fillUlSchedPucchDedicatedCfg(uint16_t numSlots, SchPucchCfg *pucchDedCfg,\
+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)
{
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->fdAlloc.resAlloc.type1.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;
+
+ 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)
{
{
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;
* @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;
+#ifdef NR_DRX
+ SchUeCb *ueCb = NULLP;
+#endif
+ uint16_t startPrb;
- GET_UE_IDX(schPucchInfo->rnti, ueIdx);
- if(cell->ueCb[ueIdx].ueCfg.spCellCfg.servCellCfg.initUlBwp.pucchCfgPres)
+ 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));
{
/* 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.resAlloc.type1.startPrb = ulBwp->freqAlloc.startPrb + pucchResourceSet[pucchIdx][3];
+ schPucchInfo->fdAlloc.resAlloc.type1.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;
}
uint8_t schUlResAlloc(SchCellCb *cell, Inst schInst)
{
int ret = ROK;
+#ifdef NR_DRX
+ SchUeCb *ueCb;
+#endif
UlSchedInfo ulSchedInfo;
SchUlSlotInfo *schUlSlotInfo = NULLP;
SlotTimingInfo ulTimingInfo;
memset(&ulSchedInfo, 0, sizeof(UlSchedInfo));
/* add PHY delta */
- ADD_DELTA_TO_TIME(cell->slotInfo,ulTimingInfo,PHY_DELTA_UL+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;
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));
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));
}
* 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(SchCellCb *cell, SlotTimingInfo slotTime, DlMsgAlloc *msg4Alloc)
+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 firstSymbol = 0;
PdcchCfg *pdcch = NULLP;
PdschCfg *pdsch = NULLP;
BwpCfg *bwp = NULLP;
+ DlMsgSchInfo *msg4Alloc = NULLP;
if(cell == NULL)
{
return RFAILED;
}
- if(msg4Alloc == NULL)
+ if(dlMsgAlloc == NULL)
{
- DU_LOG("\nERROR --> SCH: schDlRsrcAllocMsg4() : msg4Alloc is NULL");
+ DU_LOG("\nERROR --> SCH: schDlRsrcAllocMsg4() : dlMsgAlloc is NULL");
return RFAILED;
}
- pdcch = &msg4Alloc->dlMsgPdcchCfg;
- pdsch = &msg4Alloc->dlMsgPdschCfg;
+ 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;
- initialBwp = &cell->cellCfg.schInitialDlBwp;
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];
pdcch->coresetCfg.startSymbolIndex = firstSymbol;
pdcch->coresetCfg.durationSymbols = numSymbols;
memcpy(pdcch->coresetCfg.freqDomainResource, \
- cell->cellCfg.schInitialDlBwp.pdcchCommon.commonSearchSpace.freqDomainRsrc, FREQ_DOM_RSRC_SIZE);
+ 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.shiftIndex = cell->cellCfg.phyCellId;
pdcch->coresetCfg.precoderGranularity = 0; /* sameAsRegBundle */
pdcch->numDlDci = 1;
- pdcch->dci.rnti = cell->schDlSlotInfo[slotTime.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 */
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[slotTime.slot]->dlMsgInfo->crnti;
+ pdsch->rnti = cell->raCb[ueId-1].tcrnti;
pdsch->pduIndex = 0;
pdsch->numCodewords = 1;
for(cwCount = 0; cwCount < pdsch->numCodewords; cwCount++)
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;
- tbSize = schCalcTbSize(msg4Alloc->dlMsgInfo.dlMsgPduLen + TX_PAYLOAD_HDR_LEN); /* MSG4 size + FAPI header 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 = 4; /* Bitmap value 00000000000100 i.e. using 3rd symbol for PDSCH DMRS */
+ pdsch->dmrs.dlDmrsSymbPos = DL_DMRS_SYMBOL_POS;
pdsch->dmrs.dmrsConfigType = 0; /* type-1 */
pdsch->dmrs.dlDmrsScramblingId = cell->cellCfg.phyCellId;
pdsch->dmrs.scid = 0;
pdsch->dmrs.nrOfDmrsSymbols = NUM_DMRS_SYMBOLS;
pdsch->dmrs.dmrsAddPos = DMRS_ADDITIONAL_POS;
- pdsch->pdschTimeAlloc.timeAlloc.startSymb = 3; /* spec-38.214, Table 5.1.2.1-1 */
- pdsch->pdschTimeAlloc.timeAlloc.numSymb = NUM_PDSCH_SYMBOL;
+ pdsch->pdschTimeAlloc.startSymb = pdschStartSymbol;
+ pdsch->pdschTimeAlloc.numSymb = pdschNumSymbols;
pdsch->pdschFreqAlloc.resourceAllocType = 1; /* RAT type-1 RIV format */
- pdsch->pdschFreqAlloc.freqAlloc.startPrb = MAX_NUM_RB;
- pdsch->pdschFreqAlloc.freqAlloc.numPrb = schCalcNumPrb(tbSize, mcs, NUM_PDSCH_SYMBOL);
+ pdsch->pdschFreqAlloc.startPrb = MAX_NUM_RB;
+ pdsch->pdschFreqAlloc.numPrb = schCalcNumPrb(tbSize, mcs, pdschNumSymbols);
pdsch->pdschFreqAlloc.vrbPrbMapping = 0; /* non-interleaved */
/* Find total symbols occupied including DMRS */
* in that case only PDSCH symbols are marked as occupied */
if(dmrsStartSymbol == MAX_SYMB_PER_SLOT)
{
- startSymbol = pdsch->pdschTimeAlloc.timeAlloc.startSymb;
- numSymbol = pdsch->pdschTimeAlloc.timeAlloc.numSymb;
+ 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.timeAlloc.numSymb;
+ numSymbol = pdsch->dmrs.nrOfDmrsSymbols + pdsch->pdschTimeAlloc.numSymb;
}
/* Allocate the number of PRBs required for RAR PDSCH */
- if((allocatePrbDl(cell, slotTime, startSymbol, numSymbol,\
- &pdsch->pdschFreqAlloc.freqAlloc.startPrb, pdsch->pdschFreqAlloc.freqAlloc.numPrb)) != ROK)
+ 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->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;
}
* 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(SchCellCb *cell, SlotTimingInfo slotTime, uint16_t crnti,
- uint32_t *accumalatedSize, DlMsgAlloc *dlMsgAlloc)
+ 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 ueId=0;
+ uint8_t cwCount = 0;
PdcchCfg *pdcch = NULLP;
PdschCfg *pdsch = NULLP;
BwpCfg *bwp = NULLP;
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
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;
pdsch->codeword[cwCount].mcsIndex = ueCb.ueCfg.dlModInfo.mcsIndex;
pdsch->codeword[cwCount].mcsTable = ueCb.ueCfg.dlModInfo.mcsTable;
pdsch->codeword[cwCount].rvIndex = 0;
- tbSize = schCalcTbSize(*accumalatedSize + TX_PAYLOAD_HDR_LEN);
- if(tbSize < *accumalatedSize)
- *accumalatedSize = tbSize - TX_PAYLOAD_HDR_LEN;
+
+ 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 = 4; /* Bitmap value 00000000000100 i.e. using 3rd symbol for PDSCH DMRS */
+ pdsch->dmrs.dlDmrsSymbPos = DL_DMRS_SYMBOL_POS;
pdsch->dmrs.dmrsConfigType = 0; /* type-1 */
pdsch->dmrs.dlDmrsScramblingId = cell->cellCfg.phyCellId;
pdsch->dmrs.scid = 0;
pdsch->dmrs.nrOfDmrsSymbols = NUM_DMRS_SYMBOLS;
pdsch->dmrs.dmrsAddPos = pdschCfg.dmrsDlCfgForPdschMapTypeA.addPos;
- pdsch->pdschTimeAlloc.timeAlloc.startSymb = pdschCfg.timeDomRsrcAllociList[0].startSymbol;
- pdsch->pdschTimeAlloc.timeAlloc.numSymb = pdschCfg.timeDomRsrcAllociList[0].symbolLength;
+ pdsch->pdschTimeAlloc.startSymb = pdschStartSymbol;
+ pdsch->pdschTimeAlloc.numSymb = pdschNumSymbols;
pdsch->pdschFreqAlloc.vrbPrbMapping = 0; /* non-interleaved */
pdsch->pdschFreqAlloc.resourceAllocType = 1; /* RAT type-1 RIV format */
- pdsch->pdschFreqAlloc.freqAlloc.startPrb = MAX_NUM_RB;
- pdsch->pdschFreqAlloc.freqAlloc.numPrb = schCalcNumPrb(tbSize, ueCb.ueCfg.dlModInfo.mcsIndex, \
- pdschCfg.timeDomRsrcAllociList[0].symbolLength);
+ 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);
* in that case only PDSCH symbols are marked as occupied */
if(dmrsStartSymbol == MAX_SYMB_PER_SLOT)
{
- startSymbol = pdsch->pdschTimeAlloc.timeAlloc.startSymb;
- numSymbol = pdsch->pdschTimeAlloc.timeAlloc.numSymb;
+ 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.timeAlloc.numSymb;
+ numSymbol = pdsch->dmrs.nrOfDmrsSymbols + pdsch->pdschTimeAlloc.numSymb;
}
/* Allocate the number of PRBs required for DL PDSCH */
if((allocatePrbDl(cell, slotTime, startSymbol, numSymbol,\
- &pdsch->pdschFreqAlloc.freqAlloc.startPrb, pdsch->pdschFreqAlloc.freqAlloc.numPrb)) != ROK)
+ &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->txPdschPower.powerControlOffset = 0;
pdsch->txPdschPower.powerControlOffsetSS = 0;
- pdcch->dci.pdschCfg = pdsch;
return ROK;
}
/* 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.ssbSchCfg.scsCommon, cell->cellCfg.tddCfg.tddPeriod);
+ totalCfgSlot = calculateSlotPatternLength(cell->cellCfg.scsCommon, cell->cellCfg.tddCfg.tddPeriod);
/* Storing time domain resource allocation list based on common or
* dedicated configuration availability. */
{
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. */
{
for(checkSymbol = startSymbol; checkSymbol<endSymbol; checkSymbol ++)
{
- slotCfg = cell->cellCfg.tddCfg.slotCfg[tmpSlot][checkSymbol];
+ slotCfg = cell->slotCfg[tmpSlot][checkSymbol];
if(slotCfg == UL_SLOT)
{
- continue;
+ 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
{
for(checkSymbol = 0; checkSymbol< MAX_SYMB_PER_SLOT;checkSymbol++)
{
- if(cell->cellCfg.tddCfg.slotCfg[tmpSlot][checkSymbol] == UL_SLOT)
+ if(cell->slotCfg[tmpSlot][checkSymbol] == UL_SYMBOL)
{
ulSlotPresent = true;
break;
k2InfoTbl->tblSize = cell->numSlots;
if(msg3K2InfoTbl)
msg3K2InfoTbl->tblSize = cell->numSlots;
- totalCfgSlot = calculateSlotPatternLength(cell->cellCfg.ssbSchCfg.scsCommon, cell->cellCfg.tddCfg.tddPeriod);
+ totalCfgSlot = calculateSlotPatternLength(cell->cellCfg.scsCommon, cell->cellCfg.tddCfg.tddPeriod);
/* Checking all possible indexes for K2. */
for(slotIdx = 0; slotIdx < cell->numSlots; slotIdx++)
k2Val = timeDomRsrcAllocList[k2Index].k2;
if(!k2Val)
{
- switch(cell->cellCfg.ssbSchCfg.scsCommon)
+ switch(cell->cellCfg.scsCommon)
{
case SCS_15KHZ:
k2Val = DEFAULT_K2_VALUE_FOR_SCS15;
dlSymbolPresent = false;
for(checkSymbol= startSymbol; checkSymbol<endSymbol; checkSymbol++)
{
- currentSymbol = cell->cellCfg.tddCfg.slotCfg[k2TmpVal][checkSymbol];
+ currentSymbol = cell->slotCfg[k2TmpVal][checkSymbol];
if(currentSymbol == DL_SLOT || currentSymbol == FLEXI_SLOT)
{
dlSymbolPresent = true;
dlSymbolPresent = false;
for(checkSymbol= startSymbol; checkSymbol<endSymbol; checkSymbol++)
{
- currentSymbol = cell->cellCfg.tddCfg.slotCfg[msg3K2TmpVal][checkSymbol];
+ currentSymbol = cell->slotCfg[msg3K2TmpVal][checkSymbol];
if(currentSymbol == DL_SLOT || currentSymbol == FLEXI_SLOT)
{
dlSymbolPresent = true;
}
}
+/*******************************************************************************************
+ *
+ * @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, uint8_t crnti
+* @params[in] bool isRetx, SchDlHqProcCb *hqP
+* @return void
+*
+*******************************************************************/
+void fillDlMsgInfo(DlMsgSchInfo *dlMsgSchInfo, uint8_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->ueCfg.spCellCfg.servCellRecfg.initUlBwp.k2TblPrsnt)
+ k2InfoTbl = &ueCb->ueCfg.spCellCfg.servCellRecfg.initUlBwp.k2InfoTbl;
+ else
+ k2InfoTbl = &cell->k2InfoTbl;
+
+ for(k2TblIdx = 0; k2TblIdx < k2InfoTbl->k2TimingInfo[dciTime.slot].numK2; k2TblIdx++)
+ {
+ k2Index = k2InfoTbl->k2TimingInfo[dciTime.slot].k2Indexes[k2TblIdx];
+
+ if(!ueCb->ueCfg.spCellCfg.servCellRecfg.initUlBwp.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->cellCfg.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->cellCfg.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
**********************************************************************/
Code Review / o-du / l2.git / blobdiff