#include "sch.h"
#include "sch_utils.h"
+SchRachRsrcRspFunc SchRachRsrcRspOpts[] =
+{
+ packSchRachRsrcRsp, /* LC */
+ MacProcSchRachRsrcRsp, /* TC */
+ packSchRachRsrcRsp /* LWLC */
+};
+
/**
* @brief Checks if PRACH can be scheduled in current slot
*
uint8_t schCalcPrachNumRb(SchCellCb *cell)
{
uint8_t tableIdx = 0;
- uint16_t puschScs = fetchScsValue(cell->cellCfg.schInitialUlBwp.bwp.scs);
+ uint16_t puschScs = convertScsEnumValToScsVal(cell->cellCfg.schInitialUlBwp.bwp.scs);
for(tableIdx=0; tableIdx < MAX_RACH_NUM_RB_IDX; tableIdx++)
{
if(cell == NULLP)
{
DU_LOG("\nERROR --> SCH : schPrachResAlloc(): Received cellCb is null");
- return RFAILED;
+ return;
}
/* If this slot is not a PRACH occassion, return */
DU_LOG("\nINFO --> SCH : RACH occassion set for slot %d", prachOccasionTimingInfo.slot);
}
+/**
+ * @brief Process RACH resource request for CFRA
+ *
+ * @details
+ *
+ * Function : MacSchRachRsrcReq
+ *
+ * This function processes RACH resorce request
+ * from MAC for CFRA. It assigns a dedicated preamble
+ * to the UE and sends the same in RACH resource
+ * response
+ *
+ * @param[in] Post structure
+ * @param[in] RACH resource request
+ * @return ROK
+ * RFAILED
+ **/
+uint8_t MacSchRachRsrcReq(Pst *pst, SchRachRsrcReq *schRachRsrcReq)
+{
+ uint8_t ssbIdx = 0, cfraSsbIdx = 0;
+ uint8_t firstCFPreambleIndex = 0, lastCFPreambleIndex = 0;
+ uint16_t cellIdx = 0;
+ uint64_t mask = 0;
+ Pst rspPst;
+ Inst inst = pst->dstInst - SCH_INST_START;
+ SchCellCb *cellCb = NULLP;
+ SchUeCb *ueCb = NULLP;
+ SchRachRsrcRsp *rachRsrcRsp = NULLP;
+
+ DU_LOG("\nINFO --> SCH : Received RACH resource request for Cell ID [%d] CRNTI [%d]", \
+ schRachRsrcReq->cellId, schRachRsrcReq->crnti);
+
+ /* Fill RACH resource response to MAC */
+ SCH_ALLOC(rachRsrcRsp, sizeof(SchRachRsrcRsp));
+ if(!rachRsrcRsp)
+ {
+ DU_LOG("\nERROR --> SCH : Memory allocation failed for RACH resource response");
+ return RFAILED;
+ }
+ rachRsrcRsp->cellId = schRachRsrcReq->cellId;
+ rachRsrcRsp->crnti = schRachRsrcReq->crnti;
+ rachRsrcRsp->result = RSP_OK;
+
+ /* Fill SCH to MAC Pst structure */
+ memset(&rspPst, 0, sizeof(Pst));
+ FILL_PST_SCH_TO_MAC(rspPst, inst);
+ rspPst.event = EVENT_RACH_RESOURCE_RESPONSE_TO_MAC;
+
+ /* Fetch Cell CB */
+ for(cellIdx = 0; cellIdx < MAX_NUM_CELL; cellIdx++)
+ {
+ if((schCb[inst].cells[cellIdx]) && (schCb[inst].cells[cellIdx]->cellId == schRachRsrcReq->cellId))
+ {
+ cellCb = schCb[inst].cells[cellIdx];
+ break;
+ }
+ }
+
+ if(cellCb)
+ {
+ /* Fetch UE CB */
+ ueCb = schGetUeCb(cellCb, schRachRsrcReq->crnti);
+ if(ueCb->crnti != schRachRsrcReq->crnti)
+ {
+ DU_LOG("\nERROR --> SCH : CRNTI [%d] not found" ,schRachRsrcReq->crnti);
+ rachRsrcRsp->result = RSP_NOK;
+ }
+ }
+ else
+ {
+ DU_LOG("\nERROR --> SCH : Cell ID [%d] not found" ,schRachRsrcReq->cellId);
+ rachRsrcRsp->result = RSP_NOK;
+ }
+
+ /* Allocate SSB resource if no failure has occurred until this step */
+ if(rachRsrcRsp->result == RSP_OK)
+ {
+ /* Find first free preamble index from the pool CF preambles
+ * Preamble index from 0 to (numCbPreamblePerSsb-1) is used for CBRA
+ * Preamble index from numCbPreamblePerSsb to totalNumOfRAPreamble
+ * is used for CFRA */
+ firstCFPreambleIndex = cellCb->cellCfg.schRachCfg.numCbPreamblePerSsb;
+ lastCFPreambleIndex = cellCb->cellCfg.schRachCfg.totalNumRaPreamble;
+
+ /* Allocate resource for each SSB index requested */
+ for(ssbIdx = 0; ssbIdx < schRachRsrcReq->numSsb; ssbIdx++)
+ {
+ /* Find the first CF Preamble index not dedicated to any UE currently */
+ while(firstCFPreambleIndex <= lastCFPreambleIndex)
+ {
+ mask = 1 << firstCFPreambleIndex;
+ if(cellCb->dedPreambleBitMap & mask)
+ {
+ firstCFPreambleIndex++;
+ continue;
+ }
+ else
+ break;
+ }
+
+ /* If firstCFPreambleIndex > lastCFPreambleIndex, it means all
+ * dedicated preambles are in use currently. In such a case, CBRA
+ * should be initiated.
+ * If a dedicated preamble is found, use this for CFRA and mark it as
+ * IN-USE in the bitmap.
+ * Considering only CFRA scenario for now. */
+ if(firstCFPreambleIndex <= lastCFPreambleIndex)
+ {
+ ueCb->cfraResource.ssbResource[cfraSsbIdx].ssbIdx = schRachRsrcReq->ssbIdx[ssbIdx];
+ ueCb->cfraResource.ssbResource[cfraSsbIdx].raPreambleIdx = firstCFPreambleIndex;
+ SET_ONE_BIT(firstCFPreambleIndex, cellCb->dedPreambleBitMap);
+ cfraSsbIdx++;
+ firstCFPreambleIndex++;
+ }
+ else
+ {
+ DU_LOG("\nINFO : SCH : No dedicated preameble availble to assign to ssbIdx[%d]", schRachRsrcReq->ssbIdx[ssbIdx]);
+ /* Breaking out of for loop since no dedicated preambles are available
+ * for remaining ssbIdx too */
+ break;
+ }
+ } /* End of for */
+
+ ueCb->cfraResource.numSsb = cfraSsbIdx;
+
+ if(ueCb->cfraResource.numSsb == 0)
+ {
+ /* If numSsb is 0, it means no CFRA resource was alloacted for any of the
+ * SSB Idx, hence send a negative response */
+ rachRsrcRsp->result = RSP_NOK;
+ }
+ else
+ {
+ /* Send ssb resource information to MAC in RACH resource response */
+ rachRsrcRsp->cfraResource.numSsb = ueCb->cfraResource.numSsb;
+ memcpy(rachRsrcRsp->cfraResource.ssbResource, ueCb->cfraResource.ssbResource, \
+ ueCb->cfraResource.numSsb * sizeof(SchCfraSsbResource));
+ }
+ } /* End of if */
+
+ /* Free RACH resource request memory allocated by MAC */
+ SCH_FREE(schRachRsrcReq, sizeof(SchRachRsrcReq));
+
+ /* Send RACH resource response to MAC */
+ return (SchRachRsrcRspOpts[rspPst.selector](&rspPst, rachRsrcRsp));
+}
+
/**
* @brief calculate ra-rnti function.
*
*
* This function create raCb
*
- * @param[in] tcrnti
+ * @param[in] crnti
* @param[in] shed instance
* @return void
**/
-void createSchRaCb(uint16_t tcrnti, Inst schInst)
+void createSchRaCb(SchRaReq *raReq, Inst schInst)
{
- uint8_t ueIdx = 0;
+ uint8_t ueId = 0;
- GET_UE_IDX(tcrnti, ueIdx);
- schCb[schInst].cells[schInst]->raCb[ueIdx -1].tcrnti = tcrnti;
- schCb[schInst].cells[schInst]->raCb[ueIdx -1].msg4recvd = FALSE;
+ if(raReq->isCFRA)
+ {
+ /* If a UE in handover has triggered CFRA, its UE CB context is already present in SCH,
+ * Hence, no need to create raCb */
+ if(raReq->ueCb && (raReq->ueCb->state == SCH_UE_HANDIN_IN_PROGRESS))
+ {
+ schCb[schInst].cells[schInst]->numActvUe++;
+ SET_ONE_BIT(raReq->ueCb->ueId, schCb[schInst].cells[schInst]->actvUeBitMap);
+ raReq->ueCb->state = SCH_UE_STATE_ACTIVE;
+ schCb[schInst].cells[schInst]->raCb[ueId -1].raState = SCH_RA_STATE_MSG4_DONE;
+ }
+ }
+ else
+ {
+ /* Create RA CB only for CB-RA to use for msg3 and msg4 processing */
+ GET_UE_ID(raReq->rachInd->crnti, ueId);
+ schCb[schInst].cells[schInst]->raCb[ueId -1].tcrnti = raReq->rachInd->crnti;
+ schCb[schInst].cells[schInst]->raCb[ueId -1].msg4recvd = FALSE;
+ schCb[schInst].cells[schInst]->raCb[ueId -1].raState = SCH_RA_STATE_MSG3_PENDING;
+ }
+ schCb[schInst].cells[schInst]->raCb[ueId -1].cell = schCb[schInst].cells[schInst];
}
/**
* @param[out] msg3NumRb
* @return void
**/
-SchPuschInfo* schAllocMsg3Pusch(Inst schInst, uint16_t crnti, uint8_t k2Index, SlotTimingInfo msg3SlotTime)
+SchPuschInfo* schAllocMsg3Pusch(Inst schInst, uint16_t crnti, uint8_t k2Index, SlotTimingInfo msg3SlotTime, SchUlHqProcCb* msg3HqProc, bool isRetx)
{
SchCellCb *cell = NULLP;
SchUlSlotInfo *schUlSlotInfo = NULLP;
tbSize = tbSize / 8 ; /*bits to byte conversion*/
schUlSlotInfo->schPuschInfo->crnti = crnti;
- schUlSlotInfo->schPuschInfo->harqProcId = SCH_HARQ_PROC_ID;
+ schUlSlotInfo->schPuschInfo->harqProcId = msg3HqProc->procId;
schUlSlotInfo->schPuschInfo->resAllocType = SCH_ALLOC_TYPE_1;
schUlSlotInfo->schPuschInfo->fdAlloc.startPrb = startRb;
schUlSlotInfo->schPuschInfo->fdAlloc.numPrb = numRb;
schUlSlotInfo->schPuschInfo->dmrsMappingType = DMRS_MAP_TYPE_A; /* Setting Type-A */
schUlSlotInfo->schPuschInfo->nrOfDmrsSymbols = NUM_DMRS_SYMBOLS;
schUlSlotInfo->schPuschInfo->dmrsAddPos = DMRS_ADDITIONAL_POS;
-
+ if(!isRetx)
+ {
+ msg3HqProc->strtSymbl = startSymb;
+ msg3HqProc->numSymbl = symbLen;
+ msg3HqProc->puschResType = schUlSlotInfo->schPuschInfo->resAllocType;
+ msg3HqProc->puschStartPrb = schUlSlotInfo->schPuschInfo->fdAlloc.startPrb;
+ msg3HqProc->puschNumPrb = schUlSlotInfo->schPuschInfo->fdAlloc.numPrb;
+ msg3HqProc->tbInfo.qamOrder = schUlSlotInfo->schPuschInfo->tbInfo.qamOrder;
+ msg3HqProc->tbInfo.iMcs = schUlSlotInfo->schPuschInfo->tbInfo.mcs;
+ msg3HqProc->tbInfo.mcsTable = schUlSlotInfo->schPuschInfo->tbInfo.mcsTable;
+ msg3HqProc->tbInfo.ndi = schUlSlotInfo->schPuschInfo->tbInfo.ndi;
+ msg3HqProc->tbInfo.rv = schUlSlotInfo->schPuschInfo->tbInfo.rv;
+ msg3HqProc->tbInfo.tbSzReq = schUlSlotInfo->schPuschInfo->tbInfo.tbSize;
+ msg3HqProc->dmrsMappingType = schUlSlotInfo->schPuschInfo->dmrsMappingType;
+ msg3HqProc->nrOfDmrsSymbols = schUlSlotInfo->schPuschInfo->nrOfDmrsSymbols;
+ msg3HqProc->dmrsAddPos = schUlSlotInfo->schPuschInfo->dmrsAddPos;
+ }
return schUlSlotInfo->schPuschInfo;
}
* @param[in] Current timing of the cell
* @return ROK
**/
-bool schProcessRaReq(SchCellCb *cell, SlotTimingInfo currTime, uint8_t ueId)
+bool schProcessRaReq(Inst schInst, SchCellCb *cell, SlotTimingInfo currTime, uint8_t ueId)
{
- bool k2Found = false;
- uint8_t k0TblIdx = 0, k2TblIdx = 0;
- uint8_t k0Index = 0, k2Index = 0;
- uint8_t k0 = 0, k2 = 0;
+ bool k1Found = false, k2Found = false;
+ uint8_t k0TblIdx = 0, k1TblIdx = 0, k2TblIdx = 0;
+ uint8_t k0Index = 0, k1Index = 0, k2Index = 0;
+ uint8_t k0 = 0, k1 = 0, k2 = 0;
+ uint8_t numK1 = 0;
uint8_t puschMu = 0;
uint8_t msg3Delta = 0, msg3MinSchTime = 0;
#ifdef NR_TDD
uint8_t totalCfgSlot = 0;
#endif
uint16_t dciSlot = 0, rarSlot = 0;
- SlotTimingInfo dciTime, rarTime, msg3Time;
+ SlotTimingInfo dciTime, rarTime, msg3Time, pucchTime;
RarAlloc *dciSlotAlloc = NULLP; /* Stores info for transmission of PDCCH for RAR */
RarAlloc *rarSlotAlloc = NULLP; /* Stores info for transmission of RAR PDSCH */
SchPuschInfo *msg3PuschInfo = NULLP; /* Stores MSG3 PUSCH scheduling information */
SchK0K1TimingInfoTbl *k0K1InfoTbl=NULLP;
SchK2TimingInfoTbl *msg3K2InfoTbl=NULLP;
RaRspWindowStatus windowStatus=0;
-
+
#ifdef NR_TDD
totalCfgSlot = calculateSlotPatternLength(cell->cellCfg.ssbSchCfg.scsCommon, cell->cellCfg.tddCfg.tddPeriod);
#endif
- k0K1InfoTbl = &cell->cellCfg.schInitialDlBwp.k0K1InfoTbl;
- msg3K2InfoTbl = &cell->cellCfg.schInitialUlBwp.msg3K2InfoTbl;
- puschMu = cell->cellCfg.numerology;
- msg3Delta = puschDeltaTable[puschMu];
- msg3MinSchTime = minMsg3SchTime[cell->cellCfg.numerology];
+ k0K1InfoTbl = &cell->cellCfg.schInitialDlBwp.k0K1InfoTbl;
+ if(cell->raReq[ueId-1]->isCFRA == false)
+ {
+ msg3K2InfoTbl = &cell->cellCfg.schInitialUlBwp.msg3K2InfoTbl;
+ puschMu = cell->cellCfg.numerology;
+ msg3Delta = puschDeltaTable[puschMu];
+ msg3MinSchTime = minMsg3SchTime[cell->cellCfg.numerology];
+ }
/* Calculating time frame to send DCI for RAR */
ADD_DELTA_TO_TIME(currTime, dciTime, PHY_DELTA_DL + SCHED_DELTA);
if(cell->schDlSlotInfo[rarSlot]->pdschUe != 0)
continue;
- for(k2TblIdx = 0; k2TblIdx < msg3K2InfoTbl->k2TimingInfo[rarSlot].numK2; k2TblIdx++)
+ /* If Contention-FREE RA is in progress, allocate resources for
+ * PUCCH for next UL message */
+ if(cell->raReq[ueId-1]->isCFRA)
{
- k2Index = msg3K2InfoTbl->k2TimingInfo[rarSlot].k2Indexes[k2TblIdx];
- k2 = cell->cellCfg.schInitialUlBwp.puschCommon.timeDomRsrcAllocList[k2Index].k2;
-
- /* 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(rarTime, msg3Time, k2);
+ numK1 = k0K1InfoTbl->k0k1TimingInfo[dciTime.slot].k0Indexes[k0TblIdx].k1TimingInfo.numK1;
+ for(k1TblIdx = 0; k1TblIdx < numK1; k1TblIdx++)
+ {
+ k1Index = k0K1InfoTbl->k0k1TimingInfo[dciTime.slot].k0Indexes[k0TblIdx].k1TimingInfo.k1Indexes[k1TblIdx];
+ if(cell->raReq[ueId-1]->ueCb->ueCfg.spCellCfg.servCellCfg.initUlBwp.pucchCfg.dlDataToUlAck)
+ {
+ k1 = cell->raReq[ueId-1]->ueCb->ueCfg.spCellCfg.servCellCfg.initUlBwp.pucchCfg.dlDataToUlAck->\
+ dlDataToUlAckList[k1Index];
+ }
+ else
+ {
+ k1 = defaultUlAckTbl[k1Index];
+ }
+
+ ADD_DELTA_TO_TIME(rarTime, pucchTime, k1);
#ifdef NR_TDD
- if(schGetSlotSymbFrmt(msg3Time.slot % totalCfgSlot, cell->slotFrmtBitMap) == DL_SLOT)
+ if(schGetSlotSymbFrmt(pucchTime.slot, cell->slotFrmtBitMap) == DL_SLOT)
continue;
#endif
- /* If PUSCH is already scheduled on this slot, another PUSCH
- * pdu cannot be scheduled here */
- if(cell->schUlSlotInfo[msg3Time.slot]->puschUe != 0)
+ if(cell->schUlSlotInfo[pucchTime.slot]->pucchUe != 0)
continue;
-
- k2Found = true;
+ k1Found = true;
break;
}
}
- if(k2Found)
+ else
+ {
+ /* Else if contention-based RA is in progress, allocate resources for MSG3 */
+ for(k2TblIdx = 0; k2TblIdx < msg3K2InfoTbl->k2TimingInfo[rarSlot].numK2; k2TblIdx++)
+ {
+ k2Index = msg3K2InfoTbl->k2TimingInfo[rarSlot].k2Indexes[k2TblIdx];
+ k2 = cell->cellCfg.schInitialUlBwp.puschCommon.timeDomRsrcAllocList[k2Index].k2;
+
+ /* 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(rarTime, msg3Time, k2);
+#ifdef NR_TDD
+ if(schGetSlotSymbFrmt(msg3Time.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[msg3Time.slot]->puschUe != 0)
+ continue;
+
+ k2Found = true;
+ break;
+ }
+ }
+ }
+ if(k1Found || k2Found)
break;
}
}
return false;
}
- /* If K0-K2 combination not found, no scheduling happens */
- if(!k2Found)
+ /* If K0-K2 and K0-K1 combination not found, no scheduling happens */
+ if(!k1Found && !k2Found)
return false;
/* Allocate memory for RAR PDCCH slot, pointer will be checked at schProcessSlotInd() */
return false;
}
- /* Allocate resources for msg3 */
- msg3PuschInfo = schAllocMsg3Pusch(cell->instIdx, cell->raReq[ueId-1]->rachInd->crnti, k2Index, msg3Time);
- if(msg3PuschInfo)
+ /* Fill RAR info */
+ dciSlotAlloc->rarInfo.raRnti = cell->raReq[ueId-1]->raRnti;
+ dciSlotAlloc->rarInfo.tcrnti = cell->raReq[ueId-1]->rachInd->crnti;
+ dciSlotAlloc->rarInfo.RAPID = cell->raReq[ueId-1]->rachInd->preambleIdx;
+ dciSlotAlloc->rarInfo.ta = cell->raReq[ueId-1]->rachInd->timingAdv;
+
+ if(cell->raReq[ueId-1]->isCFRA)
{
- /* Fill RAR info */
- dciSlotAlloc->rarInfo.raRnti = cell->raReq[ueId-1]->raRnti;
- dciSlotAlloc->rarInfo.tcrnti = cell->raReq[ueId-1]->rachInd->crnti;
- dciSlotAlloc->rarInfo.RAPID = cell->raReq[ueId-1]->rachInd->preambleIdx;
- dciSlotAlloc->rarInfo.ta = cell->raReq[ueId-1]->rachInd->timingAdv;
- dciSlotAlloc->rarInfo.ulGrant.bwpSize = cell->cellCfg.schInitialUlBwp.bwp.freqAlloc.numPrb;
- /* Spec 38.213, section 8.2, 0 : MSG3 PUSCH will be transmitted without frequency hopping */
- dciSlotAlloc->rarInfo.ulGrant.freqHopFlag = 0;
- dciSlotAlloc->rarInfo.ulGrant.msg3FreqAlloc.startPrb = msg3PuschInfo->fdAlloc.startPrb;
- dciSlotAlloc->rarInfo.ulGrant.msg3FreqAlloc.numPrb = msg3PuschInfo->fdAlloc.numPrb;
- dciSlotAlloc->rarInfo.ulGrant.k2Index = k2Index;
- dciSlotAlloc->rarInfo.ulGrant.mcs = msg3PuschInfo->tbInfo.mcs;
- dciSlotAlloc->rarInfo.ulGrant.tpc = 3; /* TODO : Check appropriate value to be filled */
- /* Spec 38.213, section 8.2 : In a contention based random access
- * procedure, the CSI request field is reserved. */
- dciSlotAlloc->rarInfo.ulGrant.csiReq = 0;
+ /* Allocate resources for PUCCH */
+ schAllocPucchResource(cell, pucchTime, cell->raReq[ueId-1]->rachInd->crnti,NULLP, FALSE, NULLP);
+ }
+ else
+ {
+ /* Allocate resources for msg3 */
+ msg3PuschInfo = schAllocMsg3Pusch(schInst, cell->raReq[ueId-1]->rachInd->crnti, k2Index, msg3Time, &(cell->raCb[ueId-1].msg3HqProc), FALSE);
+ if(msg3PuschInfo)
+ {
+ dciSlotAlloc->rarInfo.ulGrant.bwpSize = cell->cellCfg.schInitialUlBwp.bwp.freqAlloc.numPrb;
+ /* Spec 38.213, section 8.2, 0 : MSG3 PUSCH will be transmitted without frequency hopping */
+ dciSlotAlloc->rarInfo.ulGrant.freqHopFlag = 0;
+ dciSlotAlloc->rarInfo.ulGrant.msg3FreqAlloc.startPrb = msg3PuschInfo->fdAlloc.startPrb;
+ dciSlotAlloc->rarInfo.ulGrant.msg3FreqAlloc.numPrb = msg3PuschInfo->fdAlloc.numPrb;
+ dciSlotAlloc->rarInfo.ulGrant.k2Index = k2Index;
+ dciSlotAlloc->rarInfo.ulGrant.mcs = msg3PuschInfo->tbInfo.mcs;
+ dciSlotAlloc->rarInfo.ulGrant.tpc = 3; /* TODO : Check appropriate value to be filled */
+ /* Spec 38.213, section 8.2 : In a contention based random access
+ * procedure, the CSI request field is reserved. */
+ dciSlotAlloc->rarInfo.ulGrant.csiReq = 0;
+ }
}
/* Check if both DCI and RAR are sent in the same slot.
cell->schDlSlotInfo[dciSlot]->pdcchUe = ueId;
cell->schDlSlotInfo[rarSlot]->pdschUe = ueId;
- cell->schUlSlotInfo[msg3Time.slot]->puschUe = ueId;
+ if(cell->raReq[ueId-1]->isCFRA)
+ cell->schUlSlotInfo[pucchTime.slot]->pucchUe = ueId;
+ else
+ cell->schUlSlotInfo[msg3Time.slot]->puschUe = ueId;
/* Create raCb at SCH */
- createSchRaCb(cell->raReq[ueId-1]->rachInd->crnti, cell->instIdx);
+ createSchRaCb(cell->raReq[ueId-1], schInst);
/* Remove RachInd from pending RA request list */
SCH_FREE(cell->raReq[ueId-1]->rachInd, sizeof(RachIndInfo));
SchRaReq *raReq = NULLP;
float slotDuration;
uint8_t winNumSlots;
- uint8_t ueIdx;
+ uint8_t ueId;
if(cell == NULLP)
{
}
/* Storing RA request in cellCb */
- GET_UE_IDX(rachInd->crnti, ueIdx);
- if(ueIdx <= 0)
+ GET_UE_ID(rachInd->crnti, ueId);
+ if(ueId <= 0)
{
DU_LOG("\nERROR --> SCH: Invalid CRNTI [%d]", rachInd->crnti);
return RFAILED;
/* calculate the ra-rnti value */
raReq->raRnti = calculateRaRnti(rachInd->symbolIdx, rachInd->slotIdx, rachInd->freqIdx);
raReq->rachInd = rachInd;
+ if((cell->ueCb[ueId-1].crnti == rachInd->crnti) && (cell->ueCb[ueId-1].state == SCH_UE_HANDIN_IN_PROGRESS))
+ {
+ raReq->isCFRA = true;
+ raReq->ueCb = &cell->ueCb[ueId-1];
+ }
+ else
+ raReq->isCFRA = false;
raReq->winStartTime.sfn = rachInd->timingInfo.sfn;
raReq->winStartTime.slot = rachInd->timingInfo.slot;
/* Adding window size to window start time to get window end time */
ADD_DELTA_TO_TIME(raReq->winStartTime, raReq->winEndTime, winNumSlots);
- cell->raReq[ueIdx -1] = raReq;
+ cell->raReq[ueId -1] = raReq;
/* Adding UE Id to list of pending UEs to be scheduled */
- addUeToBeScheduled(cell, ueIdx);
+ addUeToBeScheduled(cell, ueId);
return ROK;
}
return ROK;
}
+ /* @brief Process RACH resource release after CFRA
+ *
+ * @details
+ *
+ * Function : MacSchRachRsrcRel
+ *
+ * This function processes RACH resorce release
+ * from MAC after CFRA. It releases the dedicated
+ * preamble alloted to the UE
+ *
+ * @param[in] Post structure
+ * @param[in] RACH resource release
+ * @return ROK
+ * RFAILED
+ */
+uint8_t MacSchRachRsrcRel(Pst *pst, SchRachRsrcRel *schRachRsrcRel)
+{
+ uint8_t ret = ROK;
+ uint8_t ssbIdx = 0, cfraSsbIdx = 0;
+ uint16_t cellIdx = 0;
+ Inst inst = pst->dstInst - SCH_INST_START;
+ SchCellCb *cellCb = NULLP;
+ SchUeCb *ueCb = NULLP;
+
+ DU_LOG("\nINFO --> SCH : Received RACH resource release for Cell ID [%d] CRNTI [%d]", \
+ schRachRsrcRel->cellId, schRachRsrcRel->crnti);
+
+ /* Fetch Cell CB */
+ for(cellIdx = 0; cellIdx < MAX_NUM_CELL; cellIdx++)
+ {
+ if((schCb[inst].cells[cellIdx]) && (schCb[inst].cells[cellIdx]->cellId == schRachRsrcRel->cellId))
+ {
+ cellCb = schCb[inst].cells[cellIdx];
+ break;
+ }
+ }
+
+ if(cellCb)
+ {
+ /* Fetch UE CB */
+ ueCb = schGetUeCb(cellCb, schRachRsrcRel->crnti);
+ if(ueCb->crnti != schRachRsrcRel->crnti)
+ {
+ DU_LOG("\nERROR --> SCH : CRNTI [%d] not found", schRachRsrcRel->crnti);
+ ret = RFAILED;
+ }
+ }
+ else
+ {
+ DU_LOG("\nERROR --> SCH : Cell ID [%d] not found", schRachRsrcRel->cellId);
+ ret = RFAILED;
+ }
+
+ /* Free SSB resource if no failure has occurred until this step */
+ if(ret == ROK)
+ {
+ for(ssbIdx = 0; ssbIdx < schRachRsrcRel->cfraResource.numSsb; ssbIdx++)
+ {
+ /* Search each ssbIdx entry in UE Cb */
+ for(cfraSsbIdx = 0; cfraSsbIdx < ueCb->cfraResource.numSsb; cfraSsbIdx++)
+ {
+ if(ueCb->cfraResource.ssbResource[cfraSsbIdx].ssbIdx == schRachRsrcRel->cfraResource.ssbResource[ssbIdx].ssbIdx)
+ {
+ /* If ssbIdx entry is found in UE CB, free dedicated resources
+ * for this ssbIdx */
+ UNSET_ONE_BIT(ueCb->cfraResource.ssbResource[cfraSsbIdx].raPreambleIdx, cellCb->dedPreambleBitMap);
+ memset(&ueCb->cfraResource.ssbResource[cfraSsbIdx], 0, sizeof(SchCfraSsbResource));
+ ueCb->cfraResource.numSsb--;
+ break;
+ }
+ }
+ } /* End of for */
+ } /* End of if */
+
+ /* Free RACH resource release memory allocated by MAC */
+ SCH_FREE(schRachRsrcRel, sizeof(SchRachRsrcRel));
+ return ret;
+}
+ /* @brief process MSG4 completion
+ *
+ * @details
+ *
+ * Function : schMsg4Complete
+ *
+ * This function updates ra state and msg4 Hqrq
+ * proc upon MSG4 completion
+ * @param[in] SchUeCb *ueCb, UE cb pointer
+ * @return VOID
+ */
+void schMsg4Complete(SchUeCb *ueCb)
+{
+ DU_LOG("\nINFO --> SCH: State change for ueId[%2d] to SCH_RA_STATE_MSG4_DONE\n",ueCb->ueId);
+ ueCb->cellCb->raCb[ueCb->ueId-1].raState = SCH_RA_STATE_MSG4_DONE;
+ ueCb->msg4Proc = ueCb->retxMsg4HqProc = NULLP;
+}
/**********************************************************************
End of file
**********************************************************************/
Code Review / o-du / l2.git / blobdiff