#include "sch.h"
#include "sch_utils.h"
-extern SchCb schCb[SCH_MAX_INST];
void SchFillCfmPst(Pst *reqPst,Pst *cfmPst,RgMngmt *cfm);
+
/* local defines */
SchCellCfgCfmFunc SchCellCfgCfmOpts[] =
{
packSchCellCfgCfm /* LWLC */
};
+SchSliceCfgRspFunc SchSliceCfgRspOpts[] =
+{
+ packSchSliceCfgRsp, /* LC */
+ MacProcSchSliceCfgRsp, /* TC */
+ packSchSliceCfgRsp /* LWLC */
+
+};
+SchSliceReCfgRspFunc SchSliceReCfgRspOpts[] =
+{
+ packSchSliceReCfgRsp, /* LC */
+ MacProcSchSliceReCfgRsp, /* TC */
+ packSchSliceReCfgRsp /* LWLC */
+};
/**
* @brief Task Initiation function.
*
schCb[inst].schInit.acnt = FALSE;
schCb[inst].schInit.usta = FALSE;
schCb[inst].schInit.trc = FALSE;
- schCb[inst].schInit.procId = SFndProcId();
+ schCb[inst].schInit.procId = ODU_GET_PROCID();
return ROK;
} /* schActvInit */
* reason for success/failure of this function.
*
* @param[in] RgCfg *cfg, the Configuaration information
- * @return U16
+ * @return uint16_t
* -# LCM_REASON_NOT_APPL
* -# LCM_REASON_INVALID_MSGTYPE
* -# LCM_REASON_MEM_NOAVAIL
**/
-PUBLIC uint8_t SchInstCfg(RgCfg *cfg, Inst dInst)
+uint8_t SchInstCfg(RgCfg *cfg, Inst dInst)
{
uint16_t ret = LCM_REASON_NOT_APPL;
Inst inst = (dInst - SCH_INST_START);
- printf("\nEntered SchInstCfg()");
+ DU_LOG("\nDEBUG --> SCH : Entered SchInstCfg()");
/* Check if Instance Configuration is done already */
if (schCb[inst].schInit.cfgDone == TRUE)
{
return LCM_REASON_INVALID_MSGTYPE;
}
/* Update the Pst structure for LM interface */
- memcpy((uint8_t *)&schCb[inst].schInit.lmPst,
- (uint8_t *)&cfg->s.schInstCfg.genCfg.lmPst,
- sizeof(Pst));
+ memcpy(&schCb[inst].schInit.lmPst, &cfg->s.schInstCfg.genCfg.lmPst, sizeof(Pst));
schCb[inst].schInit.inst = inst;
schCb[inst].schInit.lmPst.srcProcId = schCb[inst].schInit.procId;
schCb[inst].genCfg.isSCellActDeactAlgoEnable = cfg->s.schInstCfg.genCfg.isSCellActDeactAlgoEnable;
#endif
schCb[inst].genCfg.startCellId = cfg->s.schInstCfg.genCfg.startCellId;
-#if 0
+
/* Initialzie the timer queue */
- memset((uint8_t *)&schCb[inst].tmrTq, 0, sizeof(CmTqType)*RGSCH_TQ_SIZE);
+ memset(&schCb[inst].tmrTq, 0, sizeof(CmTqType) * SCH_TQ_SIZE);
/* Initialize the timer control point */
- memset((uint8_t *)&schCb[inst].tmrTqCp, 0, sizeof(CmTqCp));
+ memset(&schCb[inst].tmrTqCp, 0, sizeof(CmTqCp));
schCb[inst].tmrTqCp.tmrLen = RGSCH_TQ_SIZE;
/* SS_MT_TMR needs to be enabled as schActvTmr needs instance information */
- /* Timer Registration request to SSI */
- if (ODU_REG_TMR_MT(schCb[inst].schInit.ent, dInst,
- (int)schCb[inst].genCfg.tmrRes, schActvTmr) != ROK)
+ /* Timer Registration request to system services */
+ if (ODU_REG_TMR_MT(schCb[inst].schInit.ent, dInst, (int)schCb[inst].genCfg.tmrRes, schActvTmr) != ROK)
{
- RLOG_ARG0(L_ERROR,DBG_INSTID,inst, "SchInstCfg(): Failed to "
+ DU_LOG("\nERROR --> SCH : SchInstCfg(): Failed to "
"register timer.");
return (LCM_REASON_MEM_NOAVAIL);
}
-#endif
+
/* Set Config done in TskInit */
schCb[inst].schInit.cfgDone = TRUE;
- printf("\nScheduler gen config done");
+ DU_LOG("\nINFO --> SCH : Scheduler gen config done");
return ret;
}
**/
uint8_t SchProcGenCfgReq(Pst *pst, RgMngmt *cfg)
{
- uint8_t ret = LCM_PRIM_OK;
- uint16_t reason = LCM_REASON_NOT_APPL;
+ uint8_t ret = LCM_PRIM_OK;
+ uint16_t reason = LCM_REASON_NOT_APPL;
RgMngmt cfm;
Pst cfmPst;
+#ifdef CALL_FLOW_DEBUG_LOG
+ DU_LOG("\nCall Flow: ENTMAC -> ENTSCH : GENERAL_CFG_REQ\n");
+#endif
+
if(pst->dstInst < SCH_INST_START)
{
- DU_LOG("\nInvalid inst ID");
- DU_LOG("\nSchProcGenCfgReq(): "
+ DU_LOG("\nERROR --> SCH : Invalid inst ID");
+ DU_LOG("\nERROR --> SCH : SchProcGenCfgReq(): "
"pst->dstInst=%d SCH_INST_START=%d", pst->dstInst,SCH_INST_START);
return ROK;
}
- printf("\nReceived scheduler gen config");
+ DU_LOG("\nINFO --> SCH : Received scheduler gen config");
/* Fill the post structure for sending the confirmation */
memset(&cfmPst, 0 , sizeof(Pst));
SchFillCfmPst(pst, &cfmPst, cfg);
- memset((uint8_t *)&cfm, 0, sizeof(RgMngmt));
+ memset(&cfm, 0, sizeof(RgMngmt));
#ifdef LMINT3
cfm.hdr.transId =
default:
ret = LCM_PRIM_NOK;
reason = LCM_REASON_INVALID_ELMNT;
- DU_LOG("\nInvalid Elmnt=%d", cfg->hdr.elmId.elmnt);
+ DU_LOG("\nERROR --> SCH : Invalid Elmnt=%d", cfg->hdr.elmId.elmnt);
break;
}
cfm.cfm.reason = reason;
SchSendCfgCfm(&cfmPst, &cfm);
- /* SPutSBuf(pst->region, pst->pool, (Data *)cfg, sizeof(RgMngmt)); */
+ /* SCH_FREE(pst->region, pst->pool, (Data *)cfg, sizeof(RgMngmt)); */
return ROK;
}/*-- SchProcGenCfgReq --*/
* a cell.
*
* @param[in] Pst *pst
- * @param[in] SlotIndInfo *slotInd
+ * @param[in] SlotTimingInfo *slotInd
* @return S16
* -# ROK
* -# RFAILED
**/
-uint8_t MacSchSlotInd(Pst *pst, SlotIndInfo *slotInd)
+uint8_t MacSchSlotInd(Pst *pst, SlotTimingInfo *slotInd)
{
Inst inst = pst->dstInst-SCH_INST_START;
- /* Now call the TOM (Tfu ownership module) primitive to process further */
+#ifdef CALL_FLOW_DEBUG_LOG
+ DU_LOG("\nCall Flow: ENTMAC -> ENTSCH : EVENT_SLOT_IND_TO_SCH\n");
+#endif
+
schProcessSlotInd(slotInd, inst);
return ROK;
uint8_t MacSchRachInd(Pst *pst, RachIndInfo *rachInd)
{
Inst inst = pst->dstInst-SCH_INST_START;
- DU_LOG("\nSCH : Received Rach indication");
+
+#ifdef CALL_FLOW_DEBUG_LOG
+ DU_LOG("\nCall Flow: ENTMAC -> ENTSCH : EVENT_RACH_IND_TO_SCH\n");
+#endif
+
+ DU_LOG("\nINFO --> SCH : Received Rach indication");
schProcessRachInd(rachInd, inst);
return ROK;
}
* ****************************************************************/
uint8_t MacSchCrcInd(Pst *pst, CrcIndInfo *crcInd)
{
+#ifdef CALL_FLOW_DEBUG_LOG
+ DU_LOG("\nCall Flow: ENTMAC -> ENTSCH : EVENT_CRC_IND_TO_SCH\n");
+#endif
+
switch(crcInd->crcInd[0])
{
case CRC_FAILED:
- DU_LOG("\nSCH : Received CRC indication. CRC Status [FAILURE]");
+ DU_LOG("\nDEBUG --> SCH : Received CRC indication. CRC Status [FAILURE]");
break;
case CRC_PASSED:
- DU_LOG("\nSCH : Received CRC indication. CRC Status [PASS]");
+ DU_LOG("\nDEBUG --> SCH : Received CRC indication. CRC Status [PASS]");
break;
default:
- DU_LOG("\nSCH : Invalid CRC state %d", crcInd->crcInd[0]);
+ DU_LOG("\nDEBUG --> SCH : Invalid CRC state %d", crcInd->crcInd[0]);
return RFAILED;
}
return ROK;
}
+#ifdef NR_TDD
+/**
+ *@brief Returns TDD periodicity in micro seconds
+ *
+ * @details
+ *
+ * Function : schGetPeriodicityInMsec
+ *
+ * This API retunrs TDD periodicity in micro seconds
+ *
+ * @param[in] DlUlTxPeriodicity
+ * @return periodicityInMsec
+ * **/
+
+uint16_t schGetPeriodicityInMsec(DlUlTxPeriodicity tddPeriod)
+{
+ uint16_t periodicityInMsec = 0;
+ switch(tddPeriod)
+ {
+ case TX_PRDCTY_MS_0P5:
+ {
+ periodicityInMsec = 500;
+ break;
+ }
+ case TX_PRDCTY_MS_0P625:
+ {
+ periodicityInMsec = 625;
+ break;
+ }
+ case TX_PRDCTY_MS_1:
+ {
+ periodicityInMsec = 1000;
+ break;
+ }
+ case TX_PRDCTY_MS_1P25:
+ {
+ periodicityInMsec = 1250;
+ break;
+ }
+ case TX_PRDCTY_MS_2:
+ {
+ periodicityInMsec = 2000;
+ break;
+ }
+ case TX_PRDCTY_MS_2P5:
+ {
+ periodicityInMsec = 2500;
+ break;
+ }
+ case TX_PRDCTY_MS_5:
+ {
+ periodicityInMsec = 5000;
+ break;
+ }
+ case TX_PRDCTY_MS_10:
+ {
+ periodicityInMsec = 10000;
+ break;
+ }
+ default:
+ {
+ DU_LOG("\nERROR --> SCH : Invalid DlUlTxPeriodicity:%d", tddPeriod);
+ }
+ }
+
+ return periodicityInMsec;
+}
+
+
+/**
+ * @brief init TDD slot config
+ *
+ * @details
+ *
+ * Function : schInitTddSlotCfg
+ *
+ * This API is invoked after receiving schCellCfg
+ *
+ * @param[in] schCellCb *cell
+ * @param[in] SchCellCfg *schCellCfg
+ * @return void
+ **/
+void schInitTddSlotCfg(SchCellCb *cell, SchCellCfg *schCellCfg)
+{
+ uint16_t periodicityInMicroSec = 0;
+ int8_t slotIdx, symbIdx;
+
+ periodicityInMicroSec = schGetPeriodicityInMsec(schCellCfg->tddCfg.tddPeriod);
+ cell->numSlotsInPeriodicity = (periodicityInMicroSec * pow(2, schCellCfg->numerology))/1000;
+ cell->slotFrmtBitMap = 0;
+ cell->symbFrmtBitMap = 0;
+ for(slotIdx = cell->numSlotsInPeriodicity-1; slotIdx >= 0; slotIdx--)
+ {
+ symbIdx = 0;
+ /* If the first and last symbol are the same, the entire slot is the same type */
+ if((schCellCfg->tddCfg.slotCfg[slotIdx][symbIdx] == schCellCfg->tddCfg.slotCfg[slotIdx][MAX_SYMB_PER_SLOT-1]) &&
+ schCellCfg->tddCfg.slotCfg[slotIdx][symbIdx] != FLEXI_SLOT)
+ {
+ switch(schCellCfg->tddCfg.slotCfg[slotIdx][symbIdx])
+ {
+ case DL_SLOT:
+ {
+ /*BitMap to be set to 00 */
+ cell->slotFrmtBitMap = (cell->slotFrmtBitMap<<2);
+ break;
+ }
+ case UL_SLOT:
+ {
+ /*BitMap to be set to 01 */
+ cell->slotFrmtBitMap = ((cell->slotFrmtBitMap<<2) | (UL_SLOT));
+ break;
+ }
+ default:
+ DU_LOG("\nERROR --> SCH : Invalid slot Config in schInitTddSlotCfg");
+ }
+ continue;
+ }
+ /* slot config is flexible. First set slotBitMap to 10 */
+ cell->slotFrmtBitMap = ((cell->slotFrmtBitMap<<2) | (FLEXI_SLOT));
+
+ /* Now set symbol bitmap */
+ for(symbIdx = MAX_SYMB_PER_SLOT-1; symbIdx >= 0; symbIdx--)
+ {
+ switch(schCellCfg->tddCfg.slotCfg[slotIdx][symbIdx])
+ {
+ case DL_SLOT:
+ {
+ /*symbol BitMap to be set to 00 */
+ cell->symbFrmtBitMap = (cell->symbFrmtBitMap<<2);
+ break;
+ }
+ case UL_SLOT:
+ {
+ /*symbol BitMap to be set to 01 */
+ cell->symbFrmtBitMap = ((cell->symbFrmtBitMap<<2) | (UL_SLOT));
+ break;
+ }
+ case FLEXI_SLOT:
+ {
+ /*symbol BitMap to be set to 10 */
+ cell->symbFrmtBitMap = ((cell->symbFrmtBitMap<<2) | (FLEXI_SLOT));
+ break;
+ }
+ default:
+ DU_LOG("\nERROR --> SCH : Invalid slot Config in schInitTddSlotCfg");
+ }
+ }
+ }
+}
+#endif
+
+/**
+ * @brief Fill SSB start symbol
+ *
+ * @details
+ *
+ * Function : fillSsbStartSymb
+ *
+ * This API stores SSB start index per beam
+ *
+ * @param[in] SchCellCb *cellCb
+ * @return int
+ * -# ROK
+ * -# RFAILED
+ **/
+void fillSsbStartSymb(SchCellCb *cellCb)
+{
+ uint8_t cnt, scs, symbIdx, ssbStartSymbArr[SCH_MAX_SSB_BEAM];
+
+ scs = cellCb->cellCfg.ssbSchCfg.scsCommon;
+
+ memset(ssbStartSymbArr, 0, sizeof(SCH_MAX_SSB_BEAM));
+ symbIdx = 0;
+ /* Determine value of "n" based on Section 4.1 of 3GPP TS 38.213 */
+ switch(scs)
+ {
+ case SCS_15KHZ:
+ {
+ if(cellCb->cellCfg.dlFreq <= 300000)
+ cnt = 2;/* n = 0, 1 */
+ else
+ cnt = 4; /* n = 0, 1, 2, 3 */
+ for(uint8_t idx=0; idx<cnt; idx++)
+ {
+ /* start symbol determined using {2, 8} + 14n */
+ ssbStartSymbArr[symbIdx++] = 2 + MAX_SYMB_PER_SLOT*idx;
+ ssbStartSymbArr[symbIdx++] = 8 + MAX_SYMB_PER_SLOT*idx;
+ }
+ }
+ break;
+ case SCS_30KHZ:
+ {
+ if(cellCb->cellCfg.dlFreq <= 300000)
+ cnt = 1;/* n = 0 */
+ else
+ cnt = 2; /* n = 0, 1 */
+ for(uint8_t idx=0; idx<cnt; idx++)
+ {
+ /* start symbol determined using {4, 8, 16, 20} + 28n */
+ ssbStartSymbArr[symbIdx++] = 4 + MAX_SYMB_PER_SLOT*idx;
+ ssbStartSymbArr[symbIdx++] = 8 + MAX_SYMB_PER_SLOT*idx;
+ ssbStartSymbArr[symbIdx++] = 16 + MAX_SYMB_PER_SLOT*idx;
+ ssbStartSymbArr[symbIdx++] = 20 + MAX_SYMB_PER_SLOT*idx;
+ }
+ }
+ break;
+ default:
+ DU_LOG("\nERROR --> SCH : SCS %d is currently not supported", scs);
+ }
+ memset(cellCb->ssbStartSymbArr, 0, sizeof(SCH_MAX_SSB_BEAM));
+ memcpy(cellCb->ssbStartSymbArr, ssbStartSymbArr, SCH_MAX_SSB_BEAM);
+
+}
+
/**
- * @brief inti cellCb based on cellCfg
+ * @brief init cellCb based on cellCfg
*
* @details
*
**/
uint8_t schInitCellCb(Inst inst, SchCellCfg *schCellCfg)
{
- SchCellCb *cell;
+ SchCellCb *cell= NULLP;
SCH_ALLOC(cell, sizeof(SchCellCb));
if(!cell)
{
- DU_LOG("\nMemory allocation failed in schInitCellCb");
+ DU_LOG("\nERROR --> SCH : Memory allocation failed in schInitCellCb");
return RFAILED;
}
cell->cellId = schCellCfg->cellId;
cell->instIdx = inst;
- switch(schCellCfg->ssbSchCfg.scsCommon)
+ switch(schCellCfg->numerology)
{
- case SCH_SCS_15KHZ:
+ case SCH_NUMEROLOGY_0:
+ {
+ cell->numSlots = SCH_MU0_NUM_SLOTS;
+ }
+ break;
+ case SCH_NUMEROLOGY_1:
{
- cell->numSlots = SCH_NUM_SLOTS;
+ cell->numSlots = SCH_MU1_NUM_SLOTS;
+ }
+ break;
+ case SCH_NUMEROLOGY_2:
+ {
+ cell->numSlots = SCH_MU2_NUM_SLOTS;
+ }
+ break;
+ case SCH_NUMEROLOGY_3:
+ {
+ cell->numSlots = SCH_MU3_NUM_SLOTS;
+ }
+ break;
+ case SCH_NUMEROLOGY_4:
+ {
+ cell->numSlots = SCH_MU4_NUM_SLOTS;
}
break;
default:
- DU_LOG("\nSCS %d not supported", schCellCfg->ssbSchCfg.scsCommon);
+ DU_LOG("\nERROR --> SCH : Numerology %d not supported", schCellCfg->numerology);
+ }
+#ifdef NR_TDD
+ schInitTddSlotCfg(cell, schCellCfg);
+#endif
+
+ SCH_ALLOC(cell->schDlSlotInfo, cell->numSlots * sizeof(SchDlSlotInfo*));
+ if(!cell->schDlSlotInfo)
+ {
+ DU_LOG("\nERROR --> SCH : Memory allocation failed in schInitCellCb for schDlSlotInfo");
+ return RFAILED;
+ }
+
+ SCH_ALLOC(cell->schUlSlotInfo, cell->numSlots * sizeof(SchUlSlotInfo*));
+ if(!cell->schUlSlotInfo)
+ {
+ DU_LOG("\nERROR --> SCH : Memory allocation failed in schInitCellCb for schUlSlotInfo");
+ return RFAILED;
}
- for(uint8_t idx=0; idx<SCH_NUM_SLOTS; idx++)
+ for(uint8_t idx=0; idx<cell->numSlots; idx++)
{
SchDlSlotInfo *schDlSlotInfo;
SchUlSlotInfo *schUlSlotInfo;
SCH_ALLOC(schDlSlotInfo, sizeof(SchDlSlotInfo));
if(!schDlSlotInfo)
{
- DU_LOG("\nMemory allocation failed in schInitCellCb");
- return RFAILED;
+ DU_LOG("\nERROR --> SCH : Memory allocation failed in schInitCellCb");
+ return RFAILED;
}
/* UL Alloc */
SCH_ALLOC(schUlSlotInfo, sizeof(SchUlSlotInfo));
if(!schUlSlotInfo)
{
- DU_LOG("\nMemory allocation failed in schInitCellCb");
+ DU_LOG("\nERROR --> SCH : Memory allocation failed in schInitCellCb");
return RFAILED;
}
cell->schUlSlotInfo[idx] = schUlSlotInfo;
}
+ cell->firstSsbTransmitted = false;
+ cell->firstSib1Transmitted = false;
+ fillSsbStartSymb(cell);
+ cmLListInit(&cell->ueToBeScheduled);
schCb[inst].cells[inst] = cell;
- DU_LOG("\nCell init completed for cellId:%d", cell->cellId);
+ DU_LOG("\nINFO --> SCH : Cell init completed for cellId:%d", cell->cellId);
return ROK;
}
*
* Fill SIB1 configuration
*
- * @param[in] Inst schInst : scheduler instance
+ * @param[in] uint8_t bandwidth : total available bandwidth
+ * uint8_t numSlots : total slots per SFN
* SchSib1Cfg *sib1SchCfg : cfg to be filled
* uint16_t pci : physical cell Id
* uint8_t offsetPointA : offset
* @return void
**/
-void fillSchSib1Cfg(Inst schInst, SchSib1Cfg *sib1SchCfg, uint16_t pci, \
- uint8_t offsetPointA)
+void fillSchSib1Cfg(uint8_t mu, uint8_t bandwidth, uint8_t numSlots, SchSib1Cfg *sib1SchCfg, uint16_t pci, uint8_t offsetPointA)
{
uint8_t coreset0Idx = 0;
uint8_t searchSpace0Idx = 0;
uint8_t mValue = 0;
uint8_t firstSymbol = 0; /* need to calculate using formula mentioned in 38.213 */
uint8_t slotIndex = 0;
- uint8_t FreqDomainResource[6] = {0};
+ uint8_t FreqDomainResource[FREQ_DOM_RSRC_SIZE] = {0};
uint16_t tbSize = 0;
- uint8_t numPdschSymbols = 12; /* considering pdsch region from 2 to 13 */
+ uint8_t ssbIdx = 0;
PdcchCfg *pdcch = &(sib1SchCfg->sib1PdcchCfg);
PdschCfg *pdsch = &(sib1SchCfg->sib1PdschCfg);
* [(O . 2^u + i . M ) ] mod numSlotsPerSubframe
* assuming u = 0, i = 0, numSlotsPerSubframe = 10
* Also, from this configuration, coreset0 is only on even subframe */
- slotIndex = ((oValue * 1) + (0 * mValue)) % 10;
+ slotIndex = (int)((oValue*pow(2, mu)) + floor(ssbIdx*mValue))%numSlots;
sib1SchCfg->n0 = slotIndex;
- /* calculate the PRBs */
- schAllocFreqDomRscType0(((offsetPointA-offset)/6), (numRbs/6), FreqDomainResource);
-
/* fill BWP */
- bwp->freqAlloc.numPrb = MAX_NUM_RB; /* whole of BW */
+ switch(bandwidth)
+ {
+ case BANDWIDTH_20MHZ:
+ {
+ bwp->freqAlloc.numPrb = TOTAL_PRB_20MHZ_MU0;
+ }
+ break;
+ case BANDWIDTH_100MHZ:
+ {
+ bwp->freqAlloc.numPrb = TOTAL_PRB_100MHZ_MU1;
+ }
+ break;
+ default:
+ DU_LOG("\nERROR --> SCH : Bandwidth %d not supported", bandwidth);
+
+ }
bwp->freqAlloc.startPrb = 0;
bwp->subcarrierSpacing = 0; /* 15Khz */
bwp->cyclicPrefix = 0; /* normal */
/* fill the PDCCH PDU */
- pdcch->coreset0Cfg.coreSetSize = numRbs;
- pdcch->coreset0Cfg.startSymbolIndex = firstSymbol;
- pdcch->coreset0Cfg.durationSymbols = numSymbols;
- memcpy(pdcch->coreset0Cfg.freqDomainResource,FreqDomainResource,6);
- pdcch->coreset0Cfg.cceRegMappingType = 1; /* coreset0 is always interleaved */
- pdcch->coreset0Cfg.regBundleSize = 6; /* spec-38.211 sec 7.3.2.2 */
- pdcch->coreset0Cfg.interleaverSize = 2; /* spec-38.211 sec 7.3.2.2 */
- pdcch->coreset0Cfg.coreSetType = 0;
- pdcch->coreset0Cfg.shiftIndex = pci;
- pdcch->coreset0Cfg.precoderGranularity = 0; /* sameAsRegBundle */
+ pdcch->coresetCfg.coreSetSize = numRbs;
+ pdcch->coresetCfg.startSymbolIndex = firstSymbol;
+ pdcch->coresetCfg.durationSymbols = numSymbols;
+
+ /* Fill Bitmap for PRBs in coreset */
+ fillCoresetFeqDomAllocMap(((offsetPointA-offset)/6), (numRbs/6), FreqDomainResource);
+ covertFreqDomRsrcMapToIAPIFormat(FreqDomainResource, pdcch->coresetCfg.freqDomainResource);
+
+ pdcch->coresetCfg.cceRegMappingType = 1; /* coreset0 is always interleaved */
+ pdcch->coresetCfg.regBundleSize = 6; /* spec-38.211 sec 7.3.2.2 */
+ pdcch->coresetCfg.interleaverSize = 2; /* spec-38.211 sec 7.3.2.2 */
+ pdcch->coresetCfg.coreSetType = 0;
+ pdcch->coresetCfg.shiftIndex = pci;
+ pdcch->coresetCfg.precoderGranularity = 0; /* sameAsRegBundle */
pdcch->numDlDci = 1;
pdcch->dci.rnti = SI_RNTI;
pdcch->dci.scramblingId = pci;
pdsch->codeword[cwCount].mcsIndex = sib1SchCfg->sib1Mcs;
pdsch->codeword[cwCount].mcsTable = 0; /* notqam256 */
pdsch->codeword[cwCount].rvIndex = 0;
- tbSize = schCalcTbSize(sib1SchCfg->sib1PduLen);
+ tbSize = schCalcTbSize(sib1SchCfg->sib1PduLen + TX_PAYLOAD_HDR_LEN);
pdsch->codeword[cwCount].tbSize = tbSize;
}
pdsch->dataScramblingId = pci;
pdsch->numLayers = 1;
pdsch->transmissionScheme = 0;
pdsch->refPoint = 0;
- pdsch->dmrs.dlDmrsSymbPos = 2;
+ pdsch->dmrs.dlDmrsSymbPos = 4; /* Bitmap value 00000000000100 i.e. using 3rd symbol for PDSCH DMRS */
pdsch->dmrs.dmrsConfigType = 0; /* type-1 */
pdsch->dmrs.dlDmrsScramblingId = pci;
pdsch->dmrs.scid = 0;
pdsch->dmrs.numDmrsCdmGrpsNoData = 1;
- pdsch->dmrs.dmrsPorts = 0;
+ pdsch->dmrs.dmrsPorts = 0x0001;
pdsch->dmrs.mappingType = DMRS_MAP_TYPE_A; /* Type-A */
pdsch->dmrs.nrOfDmrsSymbols = NUM_DMRS_SYMBOLS;
pdsch->dmrs.dmrsAddPos = DMRS_ADDITIONAL_POS;
pdsch->pdschFreqAlloc.resourceAllocType = 1; /* RAT type-1 RIV format */
- pdsch->pdschFreqAlloc.freqAlloc.startPrb = offset + SCH_SSB_NUM_PRB; /* the RB numbering starts from coreset0,
- and PDSCH is always above SSB */
- pdsch->pdschFreqAlloc.freqAlloc.numPrb = schCalcNumPrb(tbSize,sib1SchCfg->sib1Mcs,numPdschSymbols);
+ /* the RB numbering starts from coreset0, and PDSCH is always above SSB */
+ pdsch->pdschFreqAlloc.freqAlloc.startPrb = offsetPointA + SCH_SSB_NUM_PRB;
+ pdsch->pdschFreqAlloc.freqAlloc.numPrb = schCalcNumPrb(tbSize,sib1SchCfg->sib1Mcs, NUM_PDSCH_SYMBOL);
pdsch->pdschFreqAlloc.vrbPrbMapping = 0; /* non-interleaved */
pdsch->pdschTimeAlloc.rowIndex = 1;
- pdsch->pdschTimeAlloc.timeAlloc.startSymb = 2; /* spec-38.214, Table 5.1.2.1-1 */
- pdsch->pdschTimeAlloc.timeAlloc.numSymb = numPdschSymbols;
+ /* This is Intel's requirement. PDSCH should start after PDSCH DRMS symbol */
+ pdsch->pdschTimeAlloc.timeAlloc.startSymb = 3; /* spec-38.214, Table 5.1.2.1-1 */
+ pdsch->pdschTimeAlloc.timeAlloc.numSymb = NUM_PDSCH_SYMBOL;
pdsch->beamPdschInfo.numPrgs = 1;
pdsch->beamPdschInfo.prgSize = 1;
pdsch->beamPdschInfo.digBfInterfaces = 0;
}
-/**
- * @brief Fill SSB start symbol
- *
- * @details
- *
- * Function : fillSsbStartSymb
- *
- * This API stores SSB start index per beam
- *
- * @param[in] SchCellCb *cellCb
- * @return int
- * -# ROK
- * -# RFAILED
- **/
-void fillSsbStartSymb(SchCellCb *cellCb)
-{
- uint8_t cnt, scs;
-
- scs = cellCb->cellCfg.ssbSchCfg.scsCommon;
- uint8_t ssbStartSymbArr[SCH_MAX_SSB_BEAM];
-
- memset(ssbStartSymbArr, 0, sizeof(SCH_MAX_SSB_BEAM));
- /* Determine value of "n" based on Section 4.1 of 3GPP TS 38.213 */
- switch(scs)
- {
- case SCH_SCS_15KHZ:
- {
- uint8_t symbIdx=0;
- cnt = 2;/* n = 0, 1 for SCS = 15KHz */
- for(uint8_t idx=0; idx<cnt; idx++)
- {
- /* start symbol determined using {2, 8} + 14n */
- ssbStartSymbArr[symbIdx++] = 2 + SCH_SYMBOL_PER_SLOT*idx;
- ssbStartSymbArr[symbIdx++] = 8 + SCH_SYMBOL_PER_SLOT*idx;
- }
- }
- break;
- default:
- DU_LOG("\nSCS %d is currently not supported", scs);
- }
- memset(cellCb->ssbStartSymbArr, 0, sizeof(SCH_MAX_SSB_BEAM));
- memcpy(cellCb->ssbStartSymbArr, ssbStartSymbArr, SCH_MAX_SSB_BEAM);
-
-}
-
/**
* @brief cell config from MAC to SCH.
*
SchCellCb *cellCb;
SchCellCfgCfm schCellCfgCfm;
Pst rspPst;
- Inst inst = pst->dstInst-1;
+ Inst inst = pst->dstInst - SCH_INST_START;
+ uint8_t coreset0Idx = 0;
+ uint8_t numRbs = 0;
+ uint8_t offset = 0;
+ uint8_t freqDomainResource[FREQ_DOM_RSRC_SIZE] = {0};
+ SchPdschConfig pdschCfg;
+
+#ifdef CALL_FLOW_DEBUG_LOG
+ DU_LOG("\nCall Flow: ENTMAC -> ENTSCH : EVENT_SCH_CELL_CFG\n");
+#endif
schInitCellCb(inst, schCellCfg);
cellCb = schCb[inst].cells[inst]; //cells is of MAX_CELLS, why inst
cellCb->macInst = pst->srcInst;
/* derive the SIB1 config parameters */
- fillSchSib1Cfg(
- inst,
- &(schCellCfg->sib1SchCfg),
- schCellCfg->phyCellId,
+ fillSchSib1Cfg(schCellCfg->numerology, schCellCfg->bandwidth, cellCb->numSlots,
+ &(schCellCfg->sib1SchCfg), schCellCfg->phyCellId,
schCellCfg->ssbSchCfg.ssbOffsetPointA);
+
+
memcpy(&cellCb->cellCfg, schCellCfg, sizeof(SchCellCfg));
+ schProcPagingCfg(cellCb);
+
+ /* Fill coreset frequencyDomainResource bitmap */
+ coreset0Idx = cellCb->cellCfg.schInitialDlBwp.pdcchCommon.commonSearchSpace.coresetId;
+ numRbs = coresetIdxTable[coreset0Idx][1];
+ offset = coresetIdxTable[coreset0Idx][3];
+ fillCoresetFeqDomAllocMap(((cellCb->cellCfg.ssbSchCfg.ssbOffsetPointA - offset)/6), (numRbs/6), freqDomainResource);
+ covertFreqDomRsrcMapToIAPIFormat(freqDomainResource, \
+ cellCb->cellCfg.schInitialDlBwp.pdcchCommon.commonSearchSpace.freqDomainRsrc);
+
+ /* Fill K0 - K1 table for common cfg*/
+ BuildK0K1Table(cellCb, &cellCb->cellCfg.schInitialDlBwp.k0K1InfoTbl, true, cellCb->cellCfg.schInitialDlBwp.pdschCommon,
+ pdschCfg, DEFAULT_UL_ACK_LIST_COUNT, defaultUlAckTbl);
+
+ BuildK2InfoTable(cellCb, cellCb->cellCfg.schInitialUlBwp.puschCommon.timeDomRsrcAllocList,\
+ cellCb->cellCfg.schInitialUlBwp.puschCommon.numTimeDomRsrcAlloc, &cellCb->cellCfg.schInitialUlBwp.msg3K2InfoTbl, \
+ &cellCb->cellCfg.schInitialUlBwp.k2InfoTbl);
+ /* Initializing global variables */
+ cellCb->actvUeBitMap = 0;
+ cellCb->boIndBitMap = 0;
/* Fill and send Cell config confirm */
memset(&rspPst, 0, sizeof(Pst));
schCellCfgCfm.rsp = RSP_OK;
ret = (*SchCellCfgCfmOpts[rspPst.selector])(&rspPst, &schCellCfgCfm);
-
return ret;
}
* RFAILED - failure
*
* ****************************************************************/
-uint8_t MacSchDlRlcBoInfo(Pst *pst, DlRlcBOInfo *dlBoInfo)
+uint8_t MacSchDlRlcBoInfo(Pst *pst, DlRlcBoInfo *dlBoInfo)
{
- uint16_t lcIdx;
+ uint8_t lcId = 0;
+ uint16_t ueId = 0;
+ bool isLcIdValid = false;
+ SchUeCb *ueCb = NULLP;
+ SchCellCb *cell = NULLP;
Inst inst = pst->dstInst-SCH_INST_START;
- DU_LOG("\nSCH : Received RLC BO Status indication");
+ CmLListCp *lcLL = NULLP;
- SchCellCb *cell = schCb[inst].cells[inst];
- SchDlSlotInfo *schDlSlotInfo = \
- cell->schDlSlotInfo[(cell->slotInfo.slot + SCHED_DELTA + PHY_DELTA + MSG4_DELAY) % SCH_NUM_SLOTS];
+#ifdef CALL_FLOW_DEBUG_LOG
+ DU_LOG("\nCall Flow: ENTMAC -> ENTSCH : EVENT_DL_RLC_BO_INFO_TO_SCH\n");
+#endif
+
+ DU_LOG("\nDEBUG --> SCH : Received RLC BO Status indication LCId [%d] BO [%d]", dlBoInfo->lcId, dlBoInfo->dataVolume);
+ cell = schCb[inst].cells[inst];
+
+ if(cell == NULLP)
+ {
+ DU_LOG("\nERROR --> SCH : MacSchDlRlcBoInfo(): Cell does not exists");
+ return RFAILED;
+ }
+
+ GET_UE_ID(dlBoInfo->crnti, ueId);
+ ueCb = &cell->ueCb[ueId-1];
+ if(ueCb->ueCfg.dataTransmissionAction == STOP_DATA_TRANSMISSION)
+ {
+ DU_LOG("INFO --> SCH : DL Data transmission not allowed for UE %d", ueCb->ueCfg.ueId);
+ return ROK;
+ }
+
+ lcId = dlBoInfo->lcId;
+ CHECK_LCID(lcId, isLcIdValid);
+ if(isLcIdValid == FALSE)
+ {
+ DU_LOG("ERROR --> SCH: LCID:%d is not valid", lcId);
+ return RFAILED;
+ }
- for(lcIdx = 0; lcIdx < dlBoInfo->numLc; lcIdx++)
+ /*Expected when theres a case of Retransmission Failure or Resetablishment
+ *By Zero BO, the RLC is informing that previous data can be cleared out
+ *Thus clearing out the LC from the Lc priority list*/
+ if(dlBoInfo->dataVolume == 0)
{
- if(dlBoInfo->boInfo[lcIdx].lcId == CCCH_LCID)
+ /*Check the LC is Dedicated or default and accordingly LCList will
+ * be used*/
+ if(ueCb->dlInfo.dlLcCtxt[lcId].isDedicated)
{
- SCH_ALLOC(schDlSlotInfo->msg4Info, sizeof(Msg4Info));
- if(!schDlSlotInfo->msg4Info)
- {
- DU_LOG("\nSCH : Memory allocation failed for msg4Info");
- schDlSlotInfo = NULL;
- return RFAILED;
- }
- schDlSlotInfo->msg4Info->crnti = dlBoInfo->crnti;
- schDlSlotInfo->msg4Info->ndi = 1;
- schDlSlotInfo->msg4Info->harqProcNum = 0;
- schDlSlotInfo->msg4Info->dlAssignIdx = 0;
- schDlSlotInfo->msg4Info->pucchTpc = 0;
- schDlSlotInfo->msg4Info->pucchResInd = 0;
- schDlSlotInfo->msg4Info->harqFeedbackInd = 0;
- schDlSlotInfo->msg4Info->dciFormatId = 1;
+ lcLL = &(ueCb->dlLcPrbEst.dedLcInfo->dedLcList);
+ }
+ else
+ {
+ lcLL = &(ueCb->dlLcPrbEst.defLcList);
}
+ handleLcLList(lcLL, lcId, DELETE);
+ return ROK;
}
+ if(lcId == SRB0_LCID)
+ {
+ cell->raCb[ueId -1].msg4recvd = true;
+ cell->raCb[ueId -1].dlMsgPduLen = dlBoInfo->dataVolume;
+
+ }
+ else
+ {
+ SET_ONE_BIT(ueId, cell->boIndBitMap);
+ if(ueCb->dlInfo.dlLcCtxt[lcId].lcId == lcId)
+ {
+ ueCb->dlInfo.dlLcCtxt[lcId].bo = dlBoInfo->dataVolume;
+ }
+ else
+ {
+ DU_LOG("ERROR --> SCH: LCID:%d is not configured in SCH Cb",lcId);
+ return RFAILED;
+ }
+ }
+
+ /* Adding UE Id to list of pending UEs to be scheduled */
+ addUeToBeScheduled(cell, ueId);
return ROK;
}
Inst schInst = pst->dstInst-SCH_INST_START;
SchCellCb *cellCb = NULLP;
SchUeCb *ueCb = NULLP;
- uint8_t lcgIdx;
+ uint8_t lcgIdx = 0;
- DU_LOG("\nSCH : Received BSR");
+#ifdef CALL_FLOW_DEBUG_LOG
+ DU_LOG("\nCall Flow: ENTMAC -> ENTSCH : EVENT_SHORT_BSR\n");
+#endif
+ DU_LOG("\nDEBUG --> SCH : Received BSR");
+ if(bsrInd == NULLP)
+ {
+ DU_LOG("\nERROR --> SCH : BSR Ind is empty");
+ return RFAILED;
+ }
cellCb = schCb[schInst].cells[schInst];
+ if(cellCb == NULLP)
+ {
+ DU_LOG("\nERROR --> SCH : CellCb is empty");
+ return RFAILED;
+ }
ueCb = schGetUeCb(cellCb, bsrInd->crnti);
+ if(ueCb == NULLP)
+ {
+ DU_LOG("\nERROR --> SCH : UeCB is empty");
+ return RFAILED;
+ }
+
+ if(ueCb->ueCfg.dataTransmissionAction == STOP_DATA_TRANSMISSION)
+ {
+ DU_LOG("\nINFO --> SCH: UL Data transmission not allowed for UE %d", ueCb->ueCfg.ueId);
+ return ROK;
+ }
+
+ ueCb->bsrRcvd = true;
/* store dataVolume per lcg in uecb */
for(lcgIdx = 0; lcgIdx < bsrInd->numLcg; lcgIdx++)
{
- ueCb->bsrInfo[lcgIdx].priority = 1; //TODO: determining LCG priority?
- ueCb->bsrInfo[lcgIdx].dataVol = bsrInd->dataVolInfo[lcgIdx].dataVol;
+ ueCb->bsrInfo[bsrInd->dataVolInfo[lcgIdx].lcgId].priority = 1; //TODO: determining LCG priority?
+ ueCb->bsrInfo[bsrInd->dataVolInfo[lcgIdx].lcgId].dataVol = bsrInd->dataVolInfo[lcgIdx].dataVol;
}
+
+ /* Adding UE Id to list of pending UEs to be scheduled */
+ addUeToBeScheduled(cellCb, ueCb->ueId);
return ROK;
}
SchUeCb *ueCb;
SchCellCb *cellCb = schCb[inst].cells[inst];
- DU_LOG("\nSCH : Received SR");
- ueCb = schGetUeCb(cellCb, uciInd->crnti);
+#ifdef CALL_FLOW_DEBUG_LOG
+ DU_LOG("\nCall Flow: ENTMAC -> ENTSCH : EVENT_UCI_IND_TO_SCH\n");
+#endif
+ DU_LOG("\nDEBUG --> SCH : Received SR");
+
+ ueCb = schGetUeCb(cellCb, uciInd->crnti);
+
+ if(ueCb->state == SCH_UE_STATE_INACTIVE)
+ {
+ DU_LOG("\nERROR --> SCH : Crnti %d is inactive", uciInd->crnti);
+ return ROK;
+ }
+ if(ueCb->ueCfg.dataTransmissionAction == STOP_DATA_TRANSMISSION)
+ {
+ DU_LOG("\nINFO --> SCH: UL Data transmission not allowed for UE %d", ueCb->ueCfg.ueId);
+ return ROK;
+ }
if(uciInd->numSrBits)
{
ueCb->srRcvd = true;
+
+ /* Adding UE Id to list of pending UEs to be scheduled */
+ addUeToBeScheduled(cellCb, ueCb->ueId);
}
return ROK;
}
+
+/*******************************************************************
+ *
+ * @brief Allocates requested PRBs for DL
+ *
+ * @details
+ *
+ * Function : allocatePrbDl
+ *
+ * Functionality:
+ * Allocates requested PRBs in DL
+ * Keeps track of allocated PRB (using bitmap) and remaining PRBs
+ *
+ * @params[in] prbAlloc table
+ * Start symbol
+ * Number of symbols
+ * Start PRB
+ * Number of PRBs
+ *
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+uint8_t allocatePrbDl(SchCellCb *cell, SlotTimingInfo slotTime, \
+ uint8_t startSymbol, uint8_t symbolLength, uint16_t *startPrb, uint16_t numPrb)
+{
+ uint8_t symbol = 0;
+ uint16_t broadcastPrbStart=0, broadcastPrbEnd=0;
+ FreePrbBlock *freePrbBlock = NULLP;
+ CmLList *freePrbNode = NULLP;
+ PduTxOccsaion ssbOccasion=0, sib1Occasion=0;
+ SchDlSlotInfo *schDlSlotInfo = cell->schDlSlotInfo[slotTime.slot];
+ SchPrbAlloc *prbAlloc = &schDlSlotInfo->prbAlloc;
+
+ /* If startPrb is set to MAX_NUM_RB, it means startPrb is not known currently.
+ * Search for an appropriate location in PRB grid and allocate requested resources */
+ if(*startPrb == MAX_NUM_RB)
+ {
+ /* Check if SSB/SIB1 is also scheduled in this slot */
+ ssbOccasion = schCheckSsbOcc(cell, slotTime);
+ sib1Occasion = schCheckSib1Occ(cell, slotTime);
+
+ if(ssbOccasion && sib1Occasion)
+ {
+ broadcastPrbStart = cell->cellCfg.ssbSchCfg.ssbOffsetPointA;
+ broadcastPrbEnd = broadcastPrbStart + SCH_SSB_NUM_PRB + cell->cellCfg.sib1SchCfg.sib1PdschCfg.pdschFreqAlloc.freqAlloc.numPrb -1;
+ }
+ else if(ssbOccasion)
+ {
+ broadcastPrbStart = cell->cellCfg.ssbSchCfg.ssbOffsetPointA;
+ broadcastPrbEnd = broadcastPrbStart + SCH_SSB_NUM_PRB -1;
+ }
+ else if(sib1Occasion)
+ {
+ broadcastPrbStart = cell->cellCfg.sib1SchCfg.sib1PdschCfg.pdschFreqAlloc.freqAlloc.startPrb;
+ broadcastPrbEnd = broadcastPrbStart + cell->cellCfg.sib1SchCfg.sib1PdschCfg.pdschFreqAlloc.freqAlloc.numPrb -1;
+ }
+
+ /* Iterate through all free PRB blocks */
+ freePrbNode = prbAlloc->freePrbBlockList.first;
+ while(freePrbNode)
+ {
+ freePrbBlock = (FreePrbBlock *)freePrbNode->node;
+
+ /* If broadcast message is scheduled in this slot, then check if its PRBs belong to the current free block.
+ * Since SSB/SIB1 PRB location is fixed, these PRBs cannot be allocated to other message in same slot */
+ if((ssbOccasion || sib1Occasion) &&
+ ((broadcastPrbStart >= freePrbBlock->startPrb) && (broadcastPrbStart <= freePrbBlock->endPrb)) && \
+ ((broadcastPrbEnd >= freePrbBlock->startPrb) && (broadcastPrbEnd <= freePrbBlock->endPrb)))
+ {
+ /* Implmentation is done such that highest-numbered free-RB is allocated first */
+ if((freePrbBlock->endPrb > broadcastPrbEnd) && ((freePrbBlock->endPrb - broadcastPrbEnd) >= numPrb))
+ {
+ /* If sufficient free PRBs are available above bradcast message then,
+ * endPrb = freePrbBlock->endPrb
+ * startPrb = endPrb - numPrb +1;
+ */
+ *startPrb = freePrbBlock->endPrb - numPrb +1;
+ break;
+ }
+ else if((broadcastPrbStart > freePrbBlock->startPrb) && ((broadcastPrbStart - freePrbBlock->startPrb) >= numPrb))
+ {
+ /* If free PRBs are available below broadcast message then,
+ * endPrb = broadcastPrbStart - 1
+ * startPrb = endPrb - numPrb +1
+ */
+ *startPrb = broadcastPrbStart - numPrb;
+ break;
+ }
+ else
+ {
+ freePrbNode = freePrbNode->next;
+ continue;
+ }
+ }
+ else
+ {
+ /* Check if requested number of blocks can be allocated from the current block */
+ if (freePrbBlock->numFreePrb < numPrb)
+ {
+ freePrbNode = freePrbNode->next;
+ continue;
+ }
+ *startPrb = freePrbBlock->endPrb - numPrb +1;
+ break;
+ }
+ }
+
+ /* If no free block can be used to allocated request number of RBs */
+ if(*startPrb == MAX_NUM_RB)
+ return RFAILED;
+ }
+
+ /* If startPrb is known already, check if requested PRBs are available for allocation */
+ else
+ {
+ freePrbNode = isPrbAvailable(&prbAlloc->freePrbBlockList, *startPrb, numPrb);
+ if(!freePrbNode)
+ {
+ DU_LOG("\nERROR --> SCH: Requested DL PRB unavailable");
+ return RFAILED;
+ }
+ }
+
+ /* Update bitmap to allocate PRBs */
+ for(symbol=startSymbol; symbol < (startSymbol+symbolLength); symbol++)
+ {
+ if(fillPrbBitmap(prbAlloc->prbBitMap[symbol], *startPrb, numPrb) != ROK)
+ {
+ DU_LOG("\nERROR --> SCH: fillPrbBitmap() failed for symbol [%d] in DL", symbol);
+ return RFAILED;
+ }
+ }
+
+ /* Update the remaining number for free PRBs */
+ removeAllocatedPrbFromFreePrbList(&prbAlloc->freePrbBlockList, freePrbNode, *startPrb, numPrb);
+
+ return ROK;
+}
+
+/*******************************************************************
+ *
+ * @brief Allocates requested PRBs for UL
+ *
+ * @details
+ *
+ * Function : allocatePrbUl
+ *
+ * Functionality:
+ * Allocates requested PRBs in UL
+ * Keeps track of allocated PRB (using bitmap) and remaining PRBs
+ *
+ * @params[in] prbAlloc table
+ * Start symbol
+ * Number of symbols
+ * Start PRB
+ * Number of PRBs
+ *
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+uint8_t allocatePrbUl(SchCellCb *cell, SlotTimingInfo slotTime, \
+ uint8_t startSymbol, uint8_t symbolLength, uint16_t *startPrb, uint16_t numPrb)
+{
+ uint8_t symbol = 0;
+ uint16_t prachStartPrb, prachNumPrb, prachEndPrb;
+ bool isPrachOccasion;
+ FreePrbBlock *freePrbBlock = NULLP;
+ CmLList *freePrbNode = NULLP;
+ SchPrbAlloc *prbAlloc = NULLP;
+
+ if(cell == NULLP)
+ {
+ DU_LOG("\nERROR --> SCH : allocatePrbUl(): Received cellCb is null");
+ return RFAILED;
+ }
+
+ prbAlloc = &cell->schUlSlotInfo[slotTime.slot]->prbAlloc;
+ /* If startPrb is set to MAX_NUM_RB, it means startPrb is not known currently.
+ * Search for an appropriate location in PRB grid and allocate requested resources */
+ if(*startPrb == MAX_NUM_RB)
+ {
+ /* Check if PRACH is also scheduled in this slot */
+ isPrachOccasion = schCheckPrachOcc(cell, slotTime);
+ if(isPrachOccasion)
+ {
+ prachStartPrb = cell->cellCfg.schRachCfg.msg1FreqStart;
+ prachNumPrb = schCalcPrachNumRb(cell);
+ prachEndPrb = prachStartPrb + prachNumPrb -1;
+ }
+
+ /* Iterate through all free PRB blocks */
+ freePrbNode = prbAlloc->freePrbBlockList.first;
+ while(freePrbNode)
+ {
+ freePrbBlock = (FreePrbBlock *)freePrbNode->node;
+
+ /* If PRACH is scheduled in this slot, then check if its PRBs belong to the current free block.
+ * PRBs required for PRACH cannot be allocated to any other message */
+ if((isPrachOccasion) &&
+ ((prachStartPrb >= freePrbBlock->startPrb) && (prachStartPrb <= freePrbBlock->endPrb)) &&
+ ((prachEndPrb >= freePrbBlock->startPrb) && (prachEndPrb <= freePrbBlock->endPrb)))
+ {
+ /* Implmentation is done such that highest-numbered free-RB is allocated first */
+ if((freePrbBlock->endPrb > prachEndPrb) && ((freePrbBlock->endPrb - prachEndPrb) >= numPrb))
+ {
+ /* If sufficient free PRBs are available above PRACH message then,
+ * endPrb = freePrbBlock->endPrb
+ * startPrb = endPrb - numPrb +1;
+ */
+ *startPrb = freePrbBlock->endPrb - numPrb +1;
+ break;
+ }
+ else if((prachStartPrb > freePrbBlock->startPrb) && ((prachStartPrb - freePrbBlock->startPrb) >= numPrb))
+ {
+ /* If free PRBs are available below PRACH message then,
+ * endPrb = prachStartPrb - 1
+ * startPrb = endPrb - numPrb +1
+ */
+ *startPrb = prachStartPrb - numPrb;
+ break;
+ }
+ else
+ {
+ freePrbNode = freePrbNode->next;
+ continue;
+ }
+ }
+ else
+ {
+ /* Check if requested number of PRBs can be allocated from currect block */
+ if(freePrbBlock->numFreePrb < numPrb)
+ {
+ freePrbNode = freePrbNode->next;
+ continue;
+ }
+ *startPrb = freePrbBlock->endPrb - numPrb +1;
+ break;
+ }
+ }
+
+ /* If no free block can be used to allocated requested number of RBs */
+ if(*startPrb == MAX_NUM_RB)
+ return RFAILED;
+ }
+ else
+ {
+ /* If startPrb is known already, check if requested PRBs are available for allocation */
+ freePrbNode = isPrbAvailable(&prbAlloc->freePrbBlockList, *startPrb, numPrb);
+ if(!freePrbNode)
+ {
+ DU_LOG("\nERROR --> SCH: Requested UL PRB unavailable");
+ return RFAILED;
+ }
+ }
+
+ /* Update bitmap to allocate PRBs */
+ for(symbol=startSymbol; symbol < (startSymbol+symbolLength); symbol++)
+ {
+ if(fillPrbBitmap(prbAlloc->prbBitMap[symbol], *startPrb, numPrb) != ROK)
+ {
+ DU_LOG("\nERROR --> SCH: fillPrbBitmap() failed for symbol [%d] in UL", symbol);
+ return RFAILED;
+ }
+ }
+
+ /* Update the remaining number for free PRBs */
+ removeAllocatedPrbFromFreePrbList(&prbAlloc->freePrbBlockList, freePrbNode, *startPrb, numPrb);
+
+ return ROK;
+}
+
+/*******************************************************************
+ *
+ * @brief Add UE to ueToBeScheduled List
+ *
+ * @details
+ *
+ * Function : addUeToBeScheduled
+ *
+ * Functionality:
+ * Search if UE entry present in the list
+ * If yes, return.
+ * If no, add UE to the list
+ *
+ * @params[in] Cell control block
+ * Ue Idx to be added
+ *
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+uint8_t addUeToBeScheduled(SchCellCb *cell, uint8_t ueIdToAdd)
+{
+ uint8_t *ueId;
+ CmLList *node;
+
+ /* Search if UE entry is already present in ueToBeScheduled list.
+ * If yes, another entry for same UE not needed. Hence, return */
+ node = cell->ueToBeScheduled.first;
+ while(node)
+ {
+ ueId = (uint8_t *)node->node;
+ if(*ueId == ueIdToAdd)
+ return ROK;
+ node = node->next;
+ }
+
+ /* If UE entry not present already, add UE to the end of ueToBeScheduled list */
+ SCH_ALLOC(ueId, sizeof(uint8_t));
+ if(!ueId)
+ {
+ DU_LOG("\nERROR --> SCH : Memory allocation failure in addUeToBeScheduled");
+ return RFAILED;
+ }
+ *ueId = ueIdToAdd;
+ if(addNodeToLList(&cell->ueToBeScheduled, ueId, NULLP) != ROK)
+ {
+ DU_LOG("\nERROR --> SCH : Failed to add ueId [%d] to cell->ueToBeScheduled list", *ueId);
+ return RFAILED;
+ }
+ return ROK;
+}
+
+/*******************************************************************************
+ *
+ * @brief Try to find Best Free Block with Max Num PRB
+ *
+ * @details
+ *
+ * Function : searchLargestFreeBlock
+ *
+ * Functionality:
+ * Finds the FreeBlock with MaxNum of FREE PRB considering SSB/SIB1 ocassions.
+ *
+ * @params[in] I/P > prbAlloc table (FreeBlock list)
+ * I/P > Slot timing Info
+ * O/P > Start PRB
+ * I/P > Direction (UL/DL)
+ *
+ *
+ * @return Max Number of Free PRB
+ * If 0, then no Suitable Free Block
+ *
+ * ********************************************************************************/
+
+uint16_t searchLargestFreeBlock(SchCellCb *cell, SlotTimingInfo slotTime,uint16_t *startPrb, Direction dir)
+{
+ uint16_t reservedPrbStart=0, reservedPrbEnd=0, maxFreePRB = 0;
+ FreePrbBlock *freePrbBlock = NULLP;
+ CmLList *freePrbNode = NULLP;
+ SchPrbAlloc *prbAlloc = NULLP;
+ bool checkOccasion = FALSE;
+
+ *startPrb = 0; /*Initialize the StartPRB to zero*/
+
+ /*Based on Direction, Reserved Messsages will differi.e.
+ * DL >> SSB and SIB1 ocassions wheres for UL, PRACH ocassions to be checked
+ * and reserved before allocation for dedicated DL/UL msg*/
+ if(dir == DIR_DL)
+ {
+ SchDlSlotInfo *schDlSlotInfo = cell->schDlSlotInfo[slotTime.slot];
+ PduTxOccsaion ssbOccasion=0, sib1Occasion=0;
+
+ prbAlloc = &schDlSlotInfo->prbAlloc;
+
+ ssbOccasion = schCheckSsbOcc(cell, slotTime);
+ sib1Occasion = schCheckSib1Occ(cell, slotTime);
+
+ checkOccasion = TRUE;
+ if(ssbOccasion && sib1Occasion)
+ {
+ reservedPrbStart = cell->cellCfg.ssbSchCfg.ssbOffsetPointA;
+ reservedPrbEnd = reservedPrbStart + SCH_SSB_NUM_PRB + \
+ cell->cellCfg.sib1SchCfg.sib1PdschCfg.pdschFreqAlloc.freqAlloc.numPrb -1;
+ }
+ else if(ssbOccasion)
+ {
+ reservedPrbStart = cell->cellCfg.ssbSchCfg.ssbOffsetPointA;
+ reservedPrbEnd = reservedPrbStart + SCH_SSB_NUM_PRB -1;
+ }
+ else if(sib1Occasion)
+ {
+ reservedPrbStart = cell->cellCfg.sib1SchCfg.sib1PdschCfg.pdschFreqAlloc.freqAlloc.startPrb;
+ reservedPrbEnd = reservedPrbStart + cell->cellCfg.sib1SchCfg.sib1PdschCfg.pdschFreqAlloc.freqAlloc.numPrb -1;
+ }
+ else
+ {
+ checkOccasion = FALSE;
+ }
+ }
+ else if(dir == DIR_UL)
+ {
+ prbAlloc = &cell->schUlSlotInfo[slotTime.slot]->prbAlloc;
+
+ /* Check if PRACH is also scheduled in this slot */
+ checkOccasion = schCheckPrachOcc(cell, slotTime);
+ if(checkOccasion)
+ {
+ reservedPrbStart = cell->cellCfg.schRachCfg.msg1FreqStart;
+ reservedPrbEnd = reservedPrbStart + (schCalcPrachNumRb(cell)) -1;
+ }
+ }
+ else
+ {
+ DU_LOG("\nERROR --> SCH: Invalid Direction!");
+ return (maxFreePRB);
+ }
+
+ freePrbNode = prbAlloc->freePrbBlockList.first;
+ while(freePrbNode)
+ {
+ freePrbBlock = (FreePrbBlock *)freePrbNode->node;
+
+ /*For block with same numFreeBlocks, choose the one with HighestPRB range
+ *Since FreeBLockList are arranged in Descending order of PRB range thus Skipping this block*/
+ if(maxFreePRB >= freePrbBlock->numFreePrb)
+ {
+ //skip this block
+ freePrbNode = freePrbNode->next;
+ continue;
+ }
+
+ /* If Broadcast/Prach message is scheduled in this slot, then check if its PRBs belong to the current free block.
+ * Since SSB/SIB1 PRB location is fixed, these PRBs cannot be allocated to other message in same slot */
+ if(checkOccasion &&
+ ((reservedPrbStart >= freePrbBlock->startPrb) && (reservedPrbStart <= freePrbBlock->endPrb)) && \
+ ((reservedPrbEnd >= freePrbBlock->startPrb) && (reservedPrbEnd <= freePrbBlock->endPrb)))
+ {
+
+ /* Implmentation is done such that highest-numbered free-RB is Checked first
+ and freePRB in this block is greater than Max till now */
+ if((freePrbBlock->endPrb > reservedPrbEnd) && ((freePrbBlock->endPrb - reservedPrbEnd) > maxFreePRB))
+ {
+ /* If sufficient free PRBs are available above reserved message*/
+ *startPrb = reservedPrbEnd + 1;
+ maxFreePRB = (freePrbBlock->endPrb - reservedPrbEnd);
+ }
+ /*Also check the other freeBlock (i.e. Above the reserved message) for MAX FREE PRB*/
+ if((reservedPrbStart > freePrbBlock->startPrb) && ((reservedPrbStart - freePrbBlock->startPrb) > maxFreePRB))
+ {
+ /* If free PRBs are available below reserved message*/
+ *startPrb = freePrbBlock->startPrb;
+ maxFreePRB = (reservedPrbStart - freePrbBlock->startPrb);
+ }
+ }
+ else //Best Block
+ {
+ if(maxFreePRB < freePrbBlock->numFreePrb)
+ {
+ *startPrb = freePrbBlock->startPrb;
+ maxFreePRB = freePrbBlock->numFreePrb;
+ }
+
+ }
+ freePrbNode = freePrbNode->next;
+ }
+ return(maxFreePRB);
+}
+
+/*******************************************************************************
+ *
+ * @brief This function is used to send Slice Cfg rsp to MAC
+ *
+ * @details
+ *
+ * Function : SchSendSliceCfgRspToMac
+ *
+ * Functionality:
+ * function is used to send Slice Cfg rsp to MAC
+ *
+ * @params[in] Pst *pst, SchSliceCfgRsp sliceCfgRsp
+ *
+ * @return- void
+ *
+ * ********************************************************************************/
+void SchSendSliceCfgRspToMac(Inst inst, SchSliceCfgRsp sliceCfgRsp)
+{
+ Pst rspPst;
+
+ memset(&rspPst, 0, sizeof(Pst));
+ FILL_PST_SCH_TO_MAC(rspPst, inst);
+ rspPst.event = EVENT_SLICE_CFG_RSP_TO_MAC;
+
+ SchSliceCfgRspOpts[rspPst.selector](&rspPst, &sliceCfgRsp);
+
+}
+/*******************************************************************************
+ *
+ * @brief fill slice configuration response
+ *
+ * @details
+ *
+ * Function : fillSliceCfgRsp
+ *
+ * Functionality:
+ * fill slice configuration response
+ *
+ * @params[in] SchCellCb, SchSliceCfgReq, SchSliceCfgRsp,uint8_t count
+ *
+ * @return
+ * ROK - Success
+ * RFAILED - Failure
+ *
+ * ********************************************************************************/
+uint8_t fillSliceCfgRsp(bool sliceReCfg, SchSliceCfg *storedSliceCfg, SchCellCb *cellCb, SchSliceCfgReq *schSliceCfgReq, SchSliceCfgRsp *schSliceCfgRsp, uint8_t *count)
+{
+ bool sliceFound = false;
+ uint8_t cfgIdx = 0, sliceIdx = 0;
+
+ schSliceCfgRsp->numSliceCfgRsp = schSliceCfgReq->numOfConfiguredSlice;
+ SCH_ALLOC(schSliceCfgRsp->listOfSliceCfgRsp, schSliceCfgRsp->numSliceCfgRsp * sizeof(SliceRsp*));
+ if(schSliceCfgRsp->listOfSliceCfgRsp == NULLP)
+ {
+ DU_LOG("\nERROR --> SCH : Memory allocation failed at fillSliceCfgRsp");
+ return RFAILED;
+ }
+
+ for(cfgIdx = 0; cfgIdx<schSliceCfgRsp->numSliceCfgRsp ; cfgIdx++)
+ {
+ sliceFound = false;
+ /* Here comparing the slice cfg request with the slice stored in cellCfg */
+ if(sliceReCfg != true)
+ {
+ for(sliceIdx = 0; sliceIdx<cellCb->cellCfg.plmnInfoList.numSliceSupport; sliceIdx++)
+ {
+ if(!memcmp(&schSliceCfgReq->listOfConfirguration[cfgIdx]->snssai, cellCb->cellCfg.plmnInfoList.snssai[sliceIdx], sizeof(Snssai)))
+ {
+ (*count)++;
+ sliceFound = true;
+ break;
+ }
+ }
+ }
+ else
+ {
+ /* Here comparing the slice cfg request with the slice stored in SchDb */
+ if(storedSliceCfg->listOfConfirguration)
+ {
+ for(sliceIdx = 0; sliceIdx<storedSliceCfg->numOfSliceConfigured; sliceIdx++)
+ {
+ if(!memcmp(&schSliceCfgReq->listOfConfirguration[cfgIdx]->snssai, &storedSliceCfg->listOfConfirguration[sliceIdx]->snssai,\
+ sizeof(Snssai)))
+ {
+ (*count)++;
+ sliceFound = true;
+ break;
+ }
+ }
+ }
+ }
+
+ SCH_ALLOC(schSliceCfgRsp->listOfSliceCfgRsp[cfgIdx], sizeof(SliceRsp));
+ if(schSliceCfgRsp->listOfSliceCfgRsp[cfgIdx] == NULLP)
+ {
+ DU_LOG("\nERROR --> SCH : Failed to allocate memory in fillSliceCfgRsp");
+ return RFAILED;
+ }
+
+
+ schSliceCfgRsp->listOfSliceCfgRsp[cfgIdx]->snssai = schSliceCfgReq->listOfConfirguration[cfgIdx]->snssai;
+ if(sliceFound == true)
+ schSliceCfgRsp->listOfSliceCfgRsp[cfgIdx]->rsp = RSP_OK;
+ else
+ {
+ schSliceCfgRsp->listOfSliceCfgRsp[cfgIdx]->rsp = RSP_NOK;
+ schSliceCfgRsp->listOfSliceCfgRsp[cfgIdx]->cause = SLICE_NOT_FOUND;
+ }
+ }
+ return ROK;
+}
+
+/*******************************************************************************
+ *
+ * @brief This function is used to store the slice configuration Sch DB
+ *
+ * @details
+ *
+ * Function : addSliceCfgInSchDb
+ *
+ * Functionality:
+ * function is used to store the slice configuration Sch DB
+ *
+ * @params[in] SchSliceCfg *storeSliceCfg, SchSliceCfgReq *cfgReq,
+ * SchSliceCfgRsp cfgRsp, uint8_t count
+ *
+ * @return
+ * ROK - Success
+ * RFAILED - Failure
+ *
+ * ********************************************************************************/
+uint8_t addSliceCfgInSchDb(SchSliceCfg *storeSliceCfg, SchSliceCfgReq *cfgReq, SchSliceCfgRsp cfgRsp, uint8_t count)
+{
+ uint8_t cfgIdx = 0, sliceIdx = 0;
+
+ if(count)
+ {
+ storeSliceCfg->numOfSliceConfigured = count;
+ SCH_ALLOC(storeSliceCfg->listOfConfirguration, storeSliceCfg->numOfSliceConfigured * sizeof(SchRrmPolicyOfSlice*));
+ if(storeSliceCfg->listOfConfirguration == NULLP)
+ {
+ DU_LOG("\nERROR --> SCH : Failed to allocate memory in addSliceCfgInSchDb");
+ return RFAILED;
+ }
+
+ for(cfgIdx = 0; cfgIdx<storeSliceCfg->numOfSliceConfigured; cfgIdx++)
+ {
+ if(cfgRsp.listOfSliceCfgRsp[cfgIdx]->rsp == RSP_OK)
+ {
+ SCH_ALLOC(storeSliceCfg->listOfConfirguration[sliceIdx], sizeof(SchRrmPolicyOfSlice));
+ if(storeSliceCfg->listOfConfirguration[sliceIdx] == NULLP)
+ {
+ DU_LOG("\nERROR --> SCH : Failed to allocate memory in addSliceCfgInSchDb");
+ return RFAILED;
+ }
+
+ SCH_ALLOC(storeSliceCfg->listOfConfirguration[sliceIdx]->rrmPolicyRatioInfo, sizeof(SchRrmPolicyRatio));
+ if(storeSliceCfg->listOfConfirguration[sliceIdx]->rrmPolicyRatioInfo == NULLP)
+ {
+ DU_LOG("\nERROR --> SCH : Failed to allocate memory in addSliceCfgInSchDb");
+ return RFAILED;
+ }
+
+ memcpy(storeSliceCfg->listOfConfirguration[sliceIdx], cfgReq->listOfConfirguration[sliceIdx], sizeof(SchRrmPolicyOfSlice));
+ sliceIdx++;
+ }
+ }
+ }
+ return ROK;
+}
+
+/*******************************************************************************
+ *
+ * @brief This function is used to free the slice cfg and re cfg request pointer
+ *
+ * @details
+ *
+ * Function : freeSchSliceCfgReq
+ *
+ * Functionality:
+ * function is used to free the slice cfg and re cfg request pointer
+ *
+ * @params[in] Pst *pst, SchSliceCfgReq *schSliceCfgReq
+ *
+ * @return
+ * ROK - Success
+ * RFAILED - Failure
+ * ********************************************************************************/
+void freeSchSliceCfgReq(SchSliceCfgReq *cfgReq)
+{
+ uint8_t cfgIdx = 0;
+
+ if(cfgReq)
+ {
+ if(cfgReq->numOfConfiguredSlice)
+ {
+ for(cfgIdx = 0; cfgIdx<cfgReq->numOfConfiguredSlice; cfgIdx++)
+ {
+ if(cfgReq->listOfConfirguration[cfgIdx])
+ {
+ SCH_FREE(cfgReq->listOfConfirguration[cfgIdx]->rrmPolicyRatioInfo, sizeof(SchRrmPolicyRatio));
+ SCH_FREE(cfgReq->listOfConfirguration[cfgIdx], sizeof(SchRrmPolicyOfSlice));
+ }
+ }
+ SCH_FREE(cfgReq->listOfConfirguration, cfgReq->numOfConfiguredSlice * sizeof(SchRrmPolicyOfSlice*));
+ }
+ SCH_FREE(cfgReq, sizeof(SchSliceCfgReq));
+ }
+}
+/*******************************************************************************
+ *
+ * @brief This function is used to store the slice configuration Sch DB
+ *
+ * @details
+ *
+ * Function : MacSchSliceCfgReq
+ *
+ * Functionality:
+ * function is used to store the slice configuration Sch DB
+ *
+ * @params[in] Pst *pst, SchSliceCfgReq *schSliceCfgReq
+ *
+ * @return
+ * ROK - Success
+ * RFAILED - Failure
+ *
+ * ********************************************************************************/
+uint8_t MacSchSliceCfgReq(Pst *pst, SchSliceCfgReq *schSliceCfgReq)
+{
+ uint8_t count = 0;
+ Inst inst = pst->dstInst - SCH_INST_START;
+ SchSliceCfgRsp sliceCfgRsp;
+
+ DU_LOG("\nINFO --> SCH : Received Slice Cfg request from MAC");
+ if(schSliceCfgReq)
+ {
+ if(schSliceCfgReq->listOfConfirguration)
+ {
+ /* filling the slice configuration response of each slice */
+ if(fillSliceCfgRsp(false, NULLP, schCb[inst].cells[0], schSliceCfgReq, &sliceCfgRsp, &count) != ROK)
+ {
+ DU_LOG("\nERROR --> SCH : Failed to fill the slice cfg rsp");
+ return RFAILED;
+ }
+
+ if(addSliceCfgInSchDb(&schCb[inst].sliceCfg, schSliceCfgReq, sliceCfgRsp, count) != ROK)
+ {
+ DU_LOG("\nERROR --> SCH : Failed to add slice cfg in sch database");
+ return RFAILED;
+ }
+ freeSchSliceCfgReq(schSliceCfgReq);
+ SchSendSliceCfgRspToMac(inst, sliceCfgRsp);
+ }
+ }
+ else
+ {
+ DU_LOG("\nERROR --> SCH : Received SchSliceCfgReq is NULL");
+ }
+ return ROK;
+}
+
+/*******************************************************************************
+ *
+ * @brief This function is used to store the slice reconfiguration Sch DB
+ *
+ * @details
+ *
+ * Function : modifySliceCfgInSchDb
+ *
+ * Functionality:
+ * function is used to store the slice re configuration Sch DB
+ *
+ * @params[in] Pst *pst, SchSliceCfgReq *schSliceCfgReq
+ *
+ * @return
+ * ROK - Success
+ * RFAILED - Failure
+ *
+ * ********************************************************************************/
+uint8_t modifySliceCfgInSchDb(SchSliceCfg *storeSliceCfg, SchSliceCfgReq *cfgReq, SchSliceCfgRsp cfgRsp, uint8_t count)
+{
+ uint8_t cfgIdx = 0, sliceIdx = 0;
+
+ if(count)
+ {
+ if(storeSliceCfg->listOfConfirguration == NULLP)
+ {
+ DU_LOG("\nINFO --> SCH : Memory allocation failed in modifySliceCfgInSchDb");
+ return RFAILED;
+ }
+
+ for(cfgIdx = 0; cfgIdx<cfgReq->numOfConfiguredSlice; cfgIdx++)
+ {
+ if(cfgRsp.listOfSliceCfgRsp[cfgIdx]->rsp == RSP_OK)
+ {
+ for(sliceIdx = 0; sliceIdx<storeSliceCfg->numOfSliceConfigured; sliceIdx++)
+ {
+ if(!memcmp(&storeSliceCfg->listOfConfirguration[sliceIdx]->snssai, &cfgReq->listOfConfirguration[cfgIdx]->snssai, sizeof(Snssai)))
+ {
+ storeSliceCfg->listOfConfirguration[sliceIdx]->rrmPolicyRatioInfo = cfgReq->listOfConfirguration[cfgIdx]->rrmPolicyRatioInfo;
+ break;
+ }
+ }
+ }
+ }
+ }
+ freeSchSliceCfgReq(cfgReq);
+ return ROK;
+}
+/*******************************************************************************
+ *
+ * @brief This function is used to send Slice re Cfg rsp to MAC
+ *
+ * @details
+ *
+ * Function : SchSendSliceCfgRspToMac
+ *
+ * Functionality:
+ * function is used to send Slice re Cfg rsp to MAC
+ *
+ * @params[in] Pst *pst, SchSliceCfgRsp schSliceReCfgRsp
+ *
+ * @return- void
+ *
+ * ********************************************************************************/
+void SchSendSliceReCfgRspToMac(Inst inst, SchSliceCfgRsp schSliceReCfgRsp)
+{
+ Pst rspPst;
+
+ memset(&rspPst, 0, sizeof(Pst));
+ FILL_PST_SCH_TO_MAC(rspPst, inst);
+ rspPst.event = EVENT_SLICE_RECFG_RSP_TO_MAC;
+
+ SchSliceReCfgRspOpts[rspPst.selector](&rspPst, &schSliceReCfgRsp);
+}
+/*******************************************************************************
+ *
+ * @brief This function is used to store the slice reconfiguration Sch DB
+ *
+ * @details
+ *
+ * Function : MacSchSliceReCfgReq
+ *
+ * Functionality:
+ * function is used to store the slice re configuration Sch DB
+ *
+ * @params[in] Pst *pst, SchSliceCfgReq *schSliceReCfgReq
+ *
+ * @return
+ * ROK - Success
+ * RFAILED - Failure
+ *
+ * ********************************************************************************/
+uint8_t MacSchSliceReCfgReq(Pst *pst, SchSliceCfgReq *schSliceReCfgReq)
+{
+ uint8_t count = 0;
+ Inst inst = pst->dstInst - SCH_INST_START;
+ SchSliceCfgRsp schSliceReCfgRsp;
+
+ DU_LOG("\nINFO --> SCH : Received Slice ReCfg request from MAC");
+ if(schSliceReCfgReq)
+ {
+ if(schSliceReCfgReq->listOfConfirguration)
+ {
+ /* filling the slice configuration response of each slice */
+ if(fillSliceCfgRsp(true, &schCb[inst].sliceCfg, NULLP, schSliceReCfgReq, &schSliceReCfgRsp, &count) != ROK)
+ {
+ DU_LOG("\nERROR --> SCH : Failed to fill sch slice cfg response");
+ return RFAILED;
+ }
+
+ /* Modify the slice configuration stored in schCb */
+ if(modifySliceCfgInSchDb(&schCb[inst].sliceCfg, schSliceReCfgReq, schSliceReCfgRsp, count) != ROK)
+ {
+ DU_LOG("\nERROR --> SCH : Failed to modify slice cfg of SchDb");
+ return RFAILED;
+ }
+ SchSendSliceReCfgRspToMac(inst, schSliceReCfgRsp);
+ }
+ }
+ else
+ {
+ DU_LOG("\nERROR --> SCH : Received SchSliceCfgReq is NULL");
+ }
+ return ROK;
+}
+
+/****************************************************************************
+ *
+ * @brief Stores the Paging Configuration from DU APP in CellCb
+ *
+ * @details
+ *
+ * Function : schProcPagingParam
+ *
+ * Functionality:
+ * Process the Paging Configuration when FirstPDCCHMonitoring for
+ * Paging Ocassion is not present.
+ *
+ * As per 38.304 Sec 7.1,
+ * "When firstPDCCH-MonitoringOccasionOfPO is present, the
+ * starting PDCCH monitoring occasion number of (i_s + 1)th PO is the
+ * (i_s + 1)th value of the firstPDCCHMonitoringOccasionOfPO
+ * parameter; otherwise, it is equal to i_s * S."
+ * "S = number of actual transmitted SSBs determined according
+ * to ssb-PositionsInBurst in SIB1"
+ *
+ * @params[in] SchCellCb *cell
+ *
+ * @return void
+ *
+ *************************************************************************/
+void schProcPagingCfg(SchCellCb *cell)
+{
+ PageCfg *pageCfgRcvd = NULL;
+ uint8_t i_sIdx = 0;
+
+ pageCfgRcvd = &(cell->cellCfg.sib1SchCfg.pageCfg);
+
+ if(pageCfgRcvd->poPresent == TRUE)
+ {
+ /*Fetching first Pdcch Monitoring Occasion for SFN (i_s + 1)th*/
+ for(i_sIdx = 0; i_sIdx < pageCfgRcvd->numPO; i_sIdx++)
+ {
+ cell->pageCb.pagMonOcc[i_sIdx].pagingOccSlot = pageCfgRcvd->pagingOcc[i_sIdx] / MAX_SYMB_PER_SLOT ;
+ if ((pageCfgRcvd->pagingOcc[i_sIdx] % MAX_SYMB_PER_SLOT) != 0 )
+ {
+ cell->pageCb.pagMonOcc[i_sIdx].pagingOccSlot++;
+ }
+
+ cell->pageCb.pagMonOcc[i_sIdx].frameOffset = 0;
+
+ }
+ }
+ else
+ {
+ schCfgPdcchMonOccOfPO(cell);
+ }
+}
+
+/****************************************************************************
+ *
+ * @brief Calculate PO if not present in Configuration
+ *
+ * @details
+ *
+ * Function : schCfgPdcchMonOccOfPO
+ *
+ * Functionality: In this function, PO are calculated i_s * S because
+ * FirstPDCCHMonitoring_ForPO is not present.
+ *
+ * @params[in] SchCellCb *cellCb
+ *
+ * @return void
+ *
+ *************************************************************************/
+void schCfgPdcchMonOccOfPO(SchCellCb *cell)
+{
+ uint8_t cnt = 0, incr = 1, i_sIdx = 0, frameOffSet = 0;
+ uint8_t nsValue = cell->cellCfg.sib1SchCfg.pageCfg.numPO;
+ uint8_t totalNumSsb = cell->cellCfg.ssbSchCfg.totNumSsb;
+ SlotTimingInfo tmpTimingInfo, pdcchTime;
+
+ /*Starting with First Sfn and slot*/
+ tmpTimingInfo.sfn = 0;
+ tmpTimingInfo.slot = 0;
+
+ pdcchTime = tmpTimingInfo;
+
+ while(i_sIdx < nsValue)
+ {
+ /*Increment frame Offset if PO falls on next SFN*/
+ if(pdcchTime.sfn != tmpTimingInfo.sfn)
+ {
+ frameOffSet++;
+ }
+ pdcchTime = tmpTimingInfo;
+ schIncrSlot(&(tmpTimingInfo), incr, cell->numSlots);
+
+ if (i_sIdx == 0)
+ {
+ cell->pageCb.pagMonOcc[i_sIdx].pagingOccSlot = pdcchTime.slot;
+ cell->pageCb.pagMonOcc[i_sIdx].frameOffset = frameOffSet;
+ i_sIdx++;
+ }
+ else
+ {
+ cnt++;
+ if((cnt == totalNumSsb) && (i_sIdx < MAX_PO_PER_PF))
+ {
+ cell->pageCb.pagMonOcc[i_sIdx].pagingOccSlot = pdcchTime.slot;
+ cell->pageCb.pagMonOcc[i_sIdx].frameOffset = frameOffSet;
+ cnt = 0;
+ i_sIdx++;
+ }
+ }
+ }
+}
+
/**********************************************************************
End of file
**********************************************************************/
Code Review / o-du / l2.git / blobdiff