#include "mac_sch_interface.h"
#include "sch.h"
#include "sch_utils.h"
+#include "common_def.h"
extern SchCb schCb[SCH_MAX_INST];
extern uint8_t puschDeltaTable[MAX_MU_PUSCH];
uint8_t schAllocMsg3Pusch(Inst schInst, uint16_t slot, uint16_t *msg3StartRb,
uint8_t *msg3NumRb)
{
- SchCellCb *cell = NULLP;
- SchUlAlloc *ulAlloc = NULLP;
+ SchCellCb *cell = NULLP;
+ SchUlSlotInfo *schUlSlotInfo = NULLP;
uint8_t puschMu = 0;
uint8_t msg3SlotAlloc = 0;
uint8_t delta = 0;
for(idx=startSymb; idx<symbLen; idx++)
{
- cell->ulAlloc[msg3SlotAlloc]->assignedPrb[idx] = startRb + numRb;
+ cell->schUlSlotInfo[msg3SlotAlloc]->assignedPrb[idx] = startRb + numRb;
}
- ulAlloc = cell->ulAlloc[msg3SlotAlloc];
+ schUlSlotInfo = cell->schUlSlotInfo[msg3SlotAlloc];
- SCH_ALLOC(ulAlloc->schPuschInfo, sizeof(SchPuschInfo));
- if(!ulAlloc->schPuschInfo)
+ SCH_ALLOC(schUlSlotInfo->schPuschInfo, sizeof(SchPuschInfo));
+ if(!schUlSlotInfo->schPuschInfo)
{
DU_LOG("SCH: Memory allocation failed in schAllocMsg3Pusch");
return RFAILED;
}
- ulAlloc->schPuschInfo->harqProcId = SCH_HARQ_PROC_ID;
- ulAlloc->schPuschInfo->resAllocType = SCH_ALLOC_TYPE_1;
- ulAlloc->schPuschInfo->fdAlloc.startPrb = startRb;
- ulAlloc->schPuschInfo->fdAlloc.numPrb = numRb;
- ulAlloc->schPuschInfo->tdAlloc.startSymb = startSymb;
- ulAlloc->schPuschInfo->tdAlloc.numSymb = symbLen;
- ulAlloc->schPuschInfo->tbInfo.mcs = 4;
- ulAlloc->schPuschInfo->tbInfo.ndi = 1; /* new transmission */
- ulAlloc->schPuschInfo->tbInfo.rv = 0;
- ulAlloc->schPuschInfo->tbInfo.tbSize = 24; /*Considering 2 PRBs */
+ schUlSlotInfo->schPuschInfo->harqProcId = SCH_HARQ_PROC_ID;
+ schUlSlotInfo->schPuschInfo->resAllocType = SCH_ALLOC_TYPE_1;
+ schUlSlotInfo->schPuschInfo->fdAlloc.startPrb = startRb;
+ schUlSlotInfo->schPuschInfo->fdAlloc.numPrb = numRb;
+ schUlSlotInfo->schPuschInfo->tdAlloc.startSymb = startSymb;
+ schUlSlotInfo->schPuschInfo->tdAlloc.numSymb = symbLen;
+ schUlSlotInfo->schPuschInfo->tbInfo.mcs = 4;
+ schUlSlotInfo->schPuschInfo->tbInfo.ndi = 1; /* new transmission */
+ schUlSlotInfo->schPuschInfo->tbInfo.rv = 0;
+ schUlSlotInfo->schPuschInfo->tbInfo.tbSize = 24; /*Considering 2 PRBs */
*msg3StartRb = startRb;
*msg3NumRb = numRb;
uint8_t schProcessRachInd(RachIndInfo *rachInd, Inst schInst)
{
SchCellCb *cell = schCb[schInst].cells[schInst];
+ RarInfo *rarInfo = NULLP;
uint16_t raRnti = 0;
- uint16_t slot;
+ uint16_t rarSlot = 0;
uint16_t msg3StartRb;
uint8_t msg3NumRb;
uint8_t ret = ROK;
- /* RAR will sent in the next slot */
- slot = (rachInd->timingInfo.slot+SCHED_DELTA+RAR_DELAY)%SCH_NUM_SLOTS;
- SchDlAlloc *dlAlloc = cell->dlAlloc[slot];
- RarInfo *rarInfo = &(dlAlloc->rarInfo);
+ /* RAR will sent with a delay of RAR_DELAY */
+ rarSlot = (rachInd->timingInfo.slot+RAR_DELAY+PHY_DELTA)%SCH_NUM_SLOTS;
- /* rar message presense in next slot ind and will be scheduled */
- dlAlloc->rarPres = true;
+ SchDlSlotInfo *schDlSlotInfo = cell->schDlSlotInfo[rarSlot]; /* RAR will sent in the next slot */
+ /* Allocate the rarInfo, this pointer will be checked at schProcessSlotInd function */
+ SCH_ALLOC(rarInfo, sizeof(RarInfo));
+ if(rarInfo == NULLP)
+ {
+ DU_LOG("\nMAC: Memory Allocation failed for rarInfo");
+ return RFAILED;
+ }
+
+ schDlSlotInfo->rarInfo = rarInfo;
+
/* calculate the ra-rnti value */
raRnti = calculateRaRnti(rachInd->symbolIdx,rachInd->slotIdx,rachInd->freqIdx);
createSchRaCb(rachInd->crnti,schInst);
/* allocate resources for msg3 */
- ret = schAllocMsg3Pusch(schInst, slot, &msg3StartRb, &msg3NumRb);
+ ret = schAllocMsg3Pusch(schInst, rarSlot, &msg3StartRb, &msg3NumRb);
if(ret == ROK)
{
-
/* fill RAR info */
rarInfo->raRnti = raRnti;
rarInfo->tcrnti = rachInd->crnti;
uint8_t numSymbols = 0;
uint8_t offset = 0;
uint8_t FreqDomainResource[6] = {0};
+ uint16_t tbSize = 0;
+ uint8_t numPdschSymbols = 12; /* considering pdsch region from 2 to 13 */
+ uint8_t mcs = 4; /* MCS fixed to 4 */
+
SchBwpDlCfg *initialBwp = &schCb[inst].cells[inst]->cellCfg.schInitialDlBwp;
PdcchCfg *pdcch = &rarAlloc->rarPdcchCfg;
PdschCfg *pdsch = &rarAlloc->rarPdschCfg;
+ BwpCfg *bwp = &rarAlloc->bwp;
- coreset0Idx = initialBwp->pdcchCommon.raSearchSpace.coresetId;
+ coreset0Idx = initialBwp->pdcchCommon.commonSearchSpace.coresetId;
/* derive the sib1 coreset0 params from table 13-1 spec 38.213 */
numRbs = coresetIdxTable[coreset0Idx][1];
uint16_t mask = 0x2000;
for(firstSymbol=0; firstSymbol<14;firstSymbol++)
{
- if(initialBwp->pdcchCommon.raSearchSpace.monitoringSymbol & mask)
+ if(initialBwp->pdcchCommon.commonSearchSpace.monitoringSymbol & mask)
break;
else
mask = mask>>1;
/* calculate the PRBs */
calculatePRB( ((offsetPointA-offset)/6), (numRbs/6), FreqDomainResource);
+ /* fill BWP */
+ bwp->BWPSize = initialBwp->bwp.numPrb;
+ bwp->BWPStart = initialBwp->bwp.firstPrb;
+ bwp->subcarrierSpacing = initialBwp->bwp.scs;
+ bwp->cyclicPrefix = initialBwp->bwp.cyclicPrefix;
+
/* fill the PDCCH PDU */
- pdcch->pdcchBwpCfg.BWPSize = initialBwp->bwp.numPrb;
- pdcch->pdcchBwpCfg.BWPStart = initialBwp->bwp.firstPrb;
- pdcch->pdcchBwpCfg.subcarrierSpacing = initialBwp->bwp.scs;
- pdcch->pdcchBwpCfg.cyclicPrefix = initialBwp->bwp.cyclicPrefix;
pdcch->coreset0Cfg.startSymbolIndex = firstSymbol;
pdcch->coreset0Cfg.durationSymbols = numSymbols;
memcpy(pdcch->coreset0Cfg.freqDomainResource,FreqDomainResource,6);
pdsch->pduBitmap = 0; /* PTRS and CBG params are excluded */
pdsch->rnti = raRnti; /* RA-RNTI */
pdsch->pduIndex = 0;
- pdsch->pdschBwpCfg.BWPSize = initialBwp->bwp.numPrb;
- pdsch->pdschBwpCfg.BWPStart = initialBwp->bwp.firstPrb;
pdsch->numCodewords = 1;
for(cwCount = 0; cwCount < pdsch->numCodewords; cwCount++)
{
pdsch->codeword[cwCount].targetCodeRate = 308;
pdsch->codeword[cwCount].qamModOrder = 2;
- pdsch->codeword[cwCount].mcsIndex = 4; /* mcs configured to 4 */
- pdsch->codeword[cwCount].mcsTable = 0; /* notqam256 */
+ pdsch->codeword[cwCount].mcsIndex = mcs; /* mcs configured to 4 */
+ pdsch->codeword[cwCount].mcsTable = 0; /* notqam256 */
pdsch->codeword[cwCount].rvIndex = 0;
- pdsch->codeword[cwCount].tbSize = 80/8; /* 38.214: Table 5.1.3.2-1,
- devided by 8 to get the value in bytes */
+ tbSize = schCalcTbSize(10); /* 8 bytes RAR and 2 bytes padding */
+ pdsch->codeword[cwCount].tbSize = tbSize;
}
pdsch->dataScramblingId = pci;
pdsch->numLayers = 1;
pdsch->dmrs.dmrsPorts = 0;
pdsch->freqAlloc.resourceAlloc = 1; /* RAT type-1 RIV format */
pdsch->freqAlloc.rbStart = offset + SCH_SSB_PRB_DURATION; /* the RB numbering starts from coreset0, and PDSCH is always above SSB */
- /* formula used for calculation of rbSize, 38.213 section 5.1.3.2 *
- * Ninfo = S . Nre . R . Qm . v *
- * Nre' = Nsc . NsymPdsch - NdmrsSymb - Noh *
- * Nre = min(156,Nre') . nPrb */
- pdsch->freqAlloc.rbSize = 1; /* This value is calculated from above formulae */
+ pdsch->freqAlloc.rbSize = schCalcNumPrb(tbSize,mcs,numPdschSymbols);
pdsch->freqAlloc.vrbPrbMapping = 0; /* non-interleaved */
pdsch->timeAlloc.startSymbolIndex = initialBwp->pdschCommon.startSymbol;
pdsch->timeAlloc.numSymbols = initialBwp->pdschCommon.lengthSymbol;