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19 /************************************************************************
25 Desc: C source code for scheduler fucntions
29 **********************************************************************/
32 @brief This file implements the schedulers main access to MAC layer code.
34 #include "common_def.h"
35 #include "du_app_mac_inf.h"
40 #include "rg_sch_inf.h"
43 #include "tfu.x" /* TFU types */
44 #include "lrg.x" /* layer management typedefs for MAC */
45 #include "rgr.x" /* layer management typedefs for MAC */
46 #include "rg_sch_inf.x" /* typedefs for Scheduler */
47 #include "mac_sch_interface.h"
49 #include "sch_utils.h"
53 * @brief Task Initiation function.
57 * Function : schActvInit
59 * This function is supplied as one of parameters during MAC's
60 * task registration. MAC will invoke this function once, after
61 * it creates and attaches this TAPA Task to a system task.
63 * @param[in] Ent Entity, the entity ID of this task.
64 * @param[in] Inst Inst, the instance ID of this task.
65 * @param[in] Region Region, the region ID registered for memory
67 * @param[in] Reason Reason.
71 uint8_t schActvInit(Ent entity, Inst instId, Region region, Reason reason)
73 Inst inst = (instId - SCH_INST_START);
75 /* Initialize the MAC TskInit structure to zero */
76 memset ((uint8_t *)&schCb[inst], 0, sizeof(schCb));
78 /* Initialize the MAC TskInit with received values */
79 schCb[inst].schInit.ent = entity;
80 schCb[inst].schInit.inst = inst;
81 schCb[inst].schInit.region = region;
82 schCb[inst].schInit.pool = 0;
83 schCb[inst].schInit.reason = reason;
84 schCb[inst].schInit.cfgDone = FALSE;
85 schCb[inst].schInit.acnt = FALSE;
86 schCb[inst].schInit.usta = FALSE;
87 schCb[inst].schInit.trc = FALSE;
88 schCb[inst].schInit.procId = ODU_GET_PROCID();
94 * @brief Scheduler All Apis initialized.
98 * Function : schAllApisInit
100 * This function initializes all Scheduler APIs/functionality for each kind
103 * @param[in] Inst inst, the Scheduler instance
106 void schAllApisInit(Inst inst)
108 schFcfsAllApisInit(&schCb[inst].allApis[SCH_FCFS]);
112 * @brief Scheduler instance Configuration Handler.
116 * Function : SchInstCfg
118 * This function in called by SchProcGenCfgReq(). It handles the
119 * general configurations of the scheduler instance. Returns
120 * reason for success/failure of this function.
122 * @param[in] RgCfg *cfg, the Configuaration information
124 * -# LCM_REASON_NOT_APPL
125 * -# LCM_REASON_INVALID_MSGTYPE
126 * -# LCM_REASON_MEM_NOAVAIL
128 uint8_t SchInstCfg(RgCfg *cfg, Inst dInst)
130 uint16_t ret = LCM_REASON_NOT_APPL;
131 Inst inst = (dInst - SCH_INST_START);
133 DU_LOG("\nDEBUG --> SCH : Entered SchInstCfg()");
134 /* Check if Instance Configuration is done already */
135 if (schCb[inst].schInit.cfgDone == TRUE)
137 return LCM_REASON_INVALID_MSGTYPE;
139 /* Update the Pst structure for LM interface */
140 memcpy(&schCb[inst].schInit.lmPst, &cfg->s.schInstCfg.genCfg.lmPst, sizeof(Pst));
142 schCb[inst].schInit.inst = inst;
143 schCb[inst].schInit.lmPst.srcProcId = schCb[inst].schInit.procId;
144 schCb[inst].schInit.lmPst.srcEnt = schCb[inst].schInit.ent;
145 schCb[inst].schInit.lmPst.srcInst = schCb[inst].schInit.inst +
147 schCb[inst].schInit.lmPst.event = EVTNONE;
149 schCb[inst].schInit.region = cfg->s.schInstCfg.genCfg.mem.region;
150 schCb[inst].schInit.pool = cfg->s.schInstCfg.genCfg.mem.pool;
151 schCb[inst].genCfg.tmrRes = cfg->s.schInstCfg.genCfg.tmrRes;
153 schCb[inst].genCfg.forceCntrlSrbBoOnPCel = cfg->s.schInstCfg.genCfg.forceCntrlSrbBoOnPCel;
154 schCb[inst].genCfg.isSCellActDeactAlgoEnable = cfg->s.schInstCfg.genCfg.isSCellActDeactAlgoEnable;
156 schCb[inst].genCfg.startCellId = cfg->s.schInstCfg.genCfg.startCellId;
158 /* Initialzie the timer queue */
159 memset(&schCb[inst].tmrTq, 0, sizeof(CmTqType) * SCH_TQ_SIZE);
160 /* Initialize the timer control point */
161 memset(&schCb[inst].tmrTqCp, 0, sizeof(CmTqCp));
162 schCb[inst].tmrTqCp.tmrLen = RGSCH_TQ_SIZE;
164 /* SS_MT_TMR needs to be enabled as schActvTmr needs instance information */
165 /* Timer Registration request to system services */
166 if (ODU_REG_TMR_MT(schCb[inst].schInit.ent, dInst, (int)schCb[inst].genCfg.tmrRes, schActvTmr) != ROK)
168 DU_LOG("\nERROR --> SCH : SchInstCfg(): Failed to "
170 return (LCM_REASON_MEM_NOAVAIL);
173 /* Set Config done in TskInit */
174 schCb[inst].schInit.cfgDone = TRUE;
175 DU_LOG("\nINFO --> SCH : Scheduler gen config done");
177 schAllApisInit(inst);
182 * @brief Layer Manager Configuration request handler.
186 * Function : SchProcGenCfgReq
188 * This function handles the configuration
189 * request received at scheduler instance from the Layer Manager.
190 * -# Based on the cfg->hdr.elmId.elmnt value it invokes one of the
191 * functions rgHdlGenCfg() or rgHdlSapCfg().
192 * -# Invokes RgMiLrgSchCfgCfm() to send back the confirmation to the LM.
194 * @param[in] Pst *pst, the post structure
195 * @param[in] RgMngmt *cfg, the configuration parameter's structure
199 uint8_t SchProcGenCfgReq(Pst *pst, RgMngmt *cfg)
201 uint8_t ret = LCM_PRIM_OK;
202 uint16_t reason = LCM_REASON_NOT_APPL;
206 if(pst->dstInst < SCH_INST_START)
208 DU_LOG("\nERROR --> SCH : Invalid inst ID");
209 DU_LOG("\nERROR --> SCH : SchProcGenCfgReq(): "
210 "pst->dstInst=%d SCH_INST_START=%d", pst->dstInst,SCH_INST_START);
213 DU_LOG("\nINFO --> SCH : Received scheduler gen config");
214 /* Fill the post structure for sending the confirmation */
215 memset(&cfmPst, 0 , sizeof(Pst));
216 SchFillCfmPst(pst, &cfmPst, cfg);
218 memset(&cfm, 0, sizeof(RgMngmt));
225 cfm.hdr.elmId.elmnt = cfg->hdr.elmId.elmnt;
226 switch(cfg->hdr.elmId.elmnt)
229 reason = SchInstCfg(&cfg->t.cfg,pst->dstInst );
233 reason = LCM_REASON_INVALID_ELMNT;
234 DU_LOG("\nERROR --> SCH : Invalid Elmnt=%d", cfg->hdr.elmId.elmnt);
238 if (reason != LCM_REASON_NOT_APPL)
243 cfm.cfm.status = ret;
244 cfm.cfm.reason = reason;
246 SchSendCfgCfm(&cfmPst, &cfm);
247 /* SCH_FREE(pst->region, pst->pool, (Data *)cfg, sizeof(RgMngmt)); */
250 }/*-- SchProcGenCfgReq --*/
254 *@brief Returns TDD periodicity in micro seconds
258 * Function : schGetPeriodicityInMsec
260 * This API retunrs TDD periodicity in micro seconds
262 * @param[in] DlUlTxPeriodicity
263 * @return periodicityInMsec
266 uint16_t schGetPeriodicityInMsec(DlUlTxPeriodicity tddPeriod)
268 uint16_t periodicityInMsec = 0;
271 case TX_PRDCTY_MS_0P5:
273 periodicityInMsec = 500;
276 case TX_PRDCTY_MS_0P625:
278 periodicityInMsec = 625;
283 periodicityInMsec = 1000;
286 case TX_PRDCTY_MS_1P25:
288 periodicityInMsec = 1250;
293 periodicityInMsec = 2000;
296 case TX_PRDCTY_MS_2P5:
298 periodicityInMsec = 2500;
303 periodicityInMsec = 5000;
306 case TX_PRDCTY_MS_10:
308 periodicityInMsec = 10000;
313 DU_LOG("\nERROR --> SCH : Invalid DlUlTxPeriodicity:%d", tddPeriod);
317 return periodicityInMsec;
322 * @brief init TDD slot config
326 * Function : schInitTddSlotCfg
328 * This API is invoked after receiving schCellCfg
330 * @param[in] schCellCb *cell
331 * @param[in] SchCellCfg *schCellCfg
334 void schInitTddSlotCfg(SchCellCb *cell, SchCellCfg *schCellCfg)
336 uint16_t periodicityInMicroSec = 0;
337 int8_t slotIdx, symbIdx;
339 periodicityInMicroSec = schGetPeriodicityInMsec(schCellCfg->tddCfg.tddPeriod);
340 cell->numSlotsInPeriodicity = (periodicityInMicroSec * pow(2, schCellCfg->numerology))/1000;
341 cell->slotFrmtBitMap = 0;
342 cell->symbFrmtBitMap = 0;
343 for(slotIdx = cell->numSlotsInPeriodicity-1; slotIdx >= 0; slotIdx--)
346 /* If the first and last symbol are the same, the entire slot is the same type */
347 if((schCellCfg->tddCfg.slotCfg[slotIdx][symbIdx] == schCellCfg->tddCfg.slotCfg[slotIdx][MAX_SYMB_PER_SLOT-1]) &&
348 schCellCfg->tddCfg.slotCfg[slotIdx][symbIdx] != FLEXI_SLOT)
350 switch(schCellCfg->tddCfg.slotCfg[slotIdx][symbIdx])
354 /*BitMap to be set to 00 */
355 cell->slotFrmtBitMap = (cell->slotFrmtBitMap<<2);
360 /*BitMap to be set to 01 */
361 cell->slotFrmtBitMap = ((cell->slotFrmtBitMap<<2) | (UL_SLOT));
365 DU_LOG("\nERROR --> SCH : Invalid slot Config in schInitTddSlotCfg");
369 /* slot config is flexible. First set slotBitMap to 10 */
370 cell->slotFrmtBitMap = ((cell->slotFrmtBitMap<<2) | (FLEXI_SLOT));
372 /* Now set symbol bitmap */
373 for(symbIdx = MAX_SYMB_PER_SLOT-1; symbIdx >= 0; symbIdx--)
375 switch(schCellCfg->tddCfg.slotCfg[slotIdx][symbIdx])
379 /*symbol BitMap to be set to 00 */
380 cell->symbFrmtBitMap = (cell->symbFrmtBitMap<<2);
385 /*symbol BitMap to be set to 01 */
386 cell->symbFrmtBitMap = ((cell->symbFrmtBitMap<<2) | (UL_SLOT));
391 /*symbol BitMap to be set to 10 */
392 cell->symbFrmtBitMap = ((cell->symbFrmtBitMap<<2) | (FLEXI_SLOT));
396 DU_LOG("\nERROR --> SCH : Invalid slot Config in schInitTddSlotCfg");
404 * @brief Fill SSB start symbol
408 * Function : fillSsbStartSymb
410 * This API stores SSB start index per beam
412 * @param[in] SchCellCb *cellCb
417 void fillSsbStartSymb(SchCellCb *cellCb)
419 uint8_t cnt, scs, symbIdx, ssbStartSymbArr[SCH_MAX_SSB_BEAM];
421 scs = cellCb->cellCfg.ssbSchCfg.scsCommon;
423 memset(ssbStartSymbArr, 0, sizeof(SCH_MAX_SSB_BEAM));
425 /* Determine value of "n" based on Section 4.1 of 3GPP TS 38.213 */
430 if(cellCb->cellCfg.dlFreq <= 300000)
431 cnt = 2;/* n = 0, 1 */
433 cnt = 4; /* n = 0, 1, 2, 3 */
434 for(uint8_t idx=0; idx<cnt; idx++)
436 /* start symbol determined using {2, 8} + 14n */
437 ssbStartSymbArr[symbIdx++] = 2 + MAX_SYMB_PER_SLOT*idx;
438 ssbStartSymbArr[symbIdx++] = 8 + MAX_SYMB_PER_SLOT*idx;
444 if(cellCb->cellCfg.dlFreq <= 300000)
447 cnt = 2; /* n = 0, 1 */
448 for(uint8_t idx=0; idx<cnt; idx++)
450 /* start symbol determined using {4, 8, 16, 20} + 28n */
451 ssbStartSymbArr[symbIdx++] = 4 + MAX_SYMB_PER_SLOT*idx;
452 ssbStartSymbArr[symbIdx++] = 8 + MAX_SYMB_PER_SLOT*idx;
453 ssbStartSymbArr[symbIdx++] = 16 + MAX_SYMB_PER_SLOT*idx;
454 ssbStartSymbArr[symbIdx++] = 20 + MAX_SYMB_PER_SLOT*idx;
459 DU_LOG("\nERROR --> SCH : SCS %d is currently not supported", scs);
461 memset(cellCb->ssbStartSymbArr, 0, sizeof(SCH_MAX_SSB_BEAM));
462 memcpy(cellCb->ssbStartSymbArr, ssbStartSymbArr, SCH_MAX_SSB_BEAM);
468 * @brief init cellCb based on cellCfg
472 * Function : schInitCellCb
474 * This API is invoked after receiving schCellCfg
476 * @param[in] schCellCb *cell
477 * @param[in] SchCellCfg *schCellCfg
482 uint8_t schInitCellCb(Inst inst, SchCellCfg *schCellCfg)
484 SchCellCb *cell= NULLP;
485 SCH_ALLOC(cell, sizeof(SchCellCb));
488 DU_LOG("\nERROR --> SCH : Memory allocation failed in schInitCellCb");
492 cell->cellId = schCellCfg->cellId;
493 cell->instIdx = inst;
494 switch(schCellCfg->numerology)
496 case SCH_NUMEROLOGY_0:
498 cell->numSlots = SCH_MU0_NUM_SLOTS;
501 case SCH_NUMEROLOGY_1:
503 cell->numSlots = SCH_MU1_NUM_SLOTS;
506 case SCH_NUMEROLOGY_2:
508 cell->numSlots = SCH_MU2_NUM_SLOTS;
511 case SCH_NUMEROLOGY_3:
513 cell->numSlots = SCH_MU3_NUM_SLOTS;
516 case SCH_NUMEROLOGY_4:
518 cell->numSlots = SCH_MU4_NUM_SLOTS;
522 DU_LOG("\nERROR --> SCH : Numerology %d not supported", schCellCfg->numerology);
525 schInitTddSlotCfg(cell, schCellCfg);
528 SCH_ALLOC(cell->schDlSlotInfo, cell->numSlots * sizeof(SchDlSlotInfo*));
529 if(!cell->schDlSlotInfo)
531 DU_LOG("\nERROR --> SCH : Memory allocation failed in schInitCellCb for schDlSlotInfo");
535 SCH_ALLOC(cell->schUlSlotInfo, cell->numSlots * sizeof(SchUlSlotInfo*));
536 if(!cell->schUlSlotInfo)
538 DU_LOG("\nERROR --> SCH : Memory allocation failed in schInitCellCb for schUlSlotInfo");
542 for(uint8_t idx=0; idx<cell->numSlots; idx++)
544 SchDlSlotInfo *schDlSlotInfo;
545 SchUlSlotInfo *schUlSlotInfo;
548 SCH_ALLOC(schDlSlotInfo, sizeof(SchDlSlotInfo));
551 DU_LOG("\nERROR --> SCH : Memory allocation failed in schInitCellCb");
556 SCH_ALLOC(schUlSlotInfo, sizeof(SchUlSlotInfo));
559 DU_LOG("\nERROR --> SCH : Memory allocation failed in schInitCellCb");
563 schInitDlSlot(schDlSlotInfo);
564 schInitUlSlot(schUlSlotInfo);
566 cell->schDlSlotInfo[idx] = schDlSlotInfo;
567 cell->schUlSlotInfo[idx] = schUlSlotInfo;
570 cell->firstSsbTransmitted = false;
571 cell->firstSib1Transmitted = false;
572 fillSsbStartSymb(cell);
575 memset(cell->drxCb, 0, MAX_DRX_SIZE*sizeof(SchDrxCb));
577 schCb[inst].cells[inst] = cell;
579 DU_LOG("\nINFO --> SCH : Cell init completed for cellId:%d", cell->cellId);
585 * @brief Fill SIB1 configuration
589 * Function : fillSchSib1Cfg
591 * Fill SIB1 configuration
593 * @param[in] uint8_t bandwidth : total available bandwidth
594 * uint8_t numSlots : total slots per SFN
595 * SchSib1Cfg *sib1SchCfg : cfg to be filled
596 * uint16_t pci : physical cell Id
597 * uint8_t offsetPointA : offset
600 void fillSchSib1Cfg(uint8_t mu, uint8_t bandwidth, uint8_t numSlots, SchSib1Cfg *sib1SchCfg, uint16_t pci, uint8_t offsetPointA)
602 uint8_t coreset0Idx = 0;
603 uint8_t searchSpace0Idx = 0;
604 //uint8_t ssbMuxPattern = 0;
606 uint8_t numSymbols = 0;
609 //uint8_t numSearchSpacePerSlot = 0;
611 uint8_t firstSymbol = 0; /* need to calculate using formula mentioned in 38.213 */
612 uint8_t slotIndex = 0;
613 uint8_t FreqDomainResource[FREQ_DOM_RSRC_SIZE] = {0};
617 PdcchCfg *pdcch = &(sib1SchCfg->sib1PdcchCfg);
618 PdschCfg *pdsch = &(sib1SchCfg->sib1PdschCfg);
619 BwpCfg *bwp = &(sib1SchCfg->bwp);
621 coreset0Idx = sib1SchCfg->coresetZeroIndex;
622 searchSpace0Idx = sib1SchCfg->searchSpaceZeroIndex;
624 /* derive the sib1 coreset0 params from table 13-1 spec 38.213 */
625 //ssbMuxPattern = coresetIdxTable[coreset0Idx][0];
626 numRbs = coresetIdxTable[coreset0Idx][1];
627 numSymbols = coresetIdxTable[coreset0Idx][2];
628 offset = coresetIdxTable[coreset0Idx][3];
630 /* derive the search space params from table 13-11 spec 38.213 */
631 oValue = searchSpaceIdxTable[searchSpace0Idx][0];
632 //numSearchSpacePerSlot = searchSpaceIdxTable[searchSpace0Idx][1];
633 mValue = searchSpaceIdxTable[searchSpace0Idx][2];
634 firstSymbol = searchSpaceIdxTable[searchSpace0Idx][3];
636 /* calculate the n0, need to add the formulae, as of now the value is 0
637 * Need to add the even and odd values of i during configuration
638 * [(O . 2^u + i . M ) ] mod numSlotsPerSubframe
639 * assuming u = 0, i = 0, numSlotsPerSubframe = 10
640 * Also, from this configuration, coreset0 is only on even subframe */
641 slotIndex = (int)((oValue*pow(2, mu)) + floor(ssbIdx*mValue))%numSlots;
642 sib1SchCfg->n0 = slotIndex;
647 case BANDWIDTH_20MHZ:
649 bwp->freqAlloc.numPrb = TOTAL_PRB_20MHZ_MU0;
652 case BANDWIDTH_100MHZ:
654 bwp->freqAlloc.numPrb = TOTAL_PRB_100MHZ_MU1;
658 DU_LOG("\nERROR --> SCH : Bandwidth %d not supported", bandwidth);
661 bwp->freqAlloc.startPrb = 0;
662 bwp->subcarrierSpacing = 0; /* 15Khz */
663 bwp->cyclicPrefix = 0; /* normal */
665 /* fill the PDCCH PDU */
666 pdcch->coresetCfg.coreSetSize = numRbs;
667 pdcch->coresetCfg.startSymbolIndex = firstSymbol;
668 pdcch->coresetCfg.durationSymbols = numSymbols;
670 /* Fill Bitmap for PRBs in coreset */
671 fillCoresetFeqDomAllocMap(((offsetPointA-offset)/6), (numRbs/6), FreqDomainResource);
672 covertFreqDomRsrcMapToIAPIFormat(FreqDomainResource, pdcch->coresetCfg.freqDomainResource);
674 pdcch->coresetCfg.cceRegMappingType = 1; /* coreset0 is always interleaved */
675 pdcch->coresetCfg.regBundleSize = 6; /* spec-38.211 sec 7.3.2.2 */
676 pdcch->coresetCfg.interleaverSize = 2; /* spec-38.211 sec 7.3.2.2 */
677 pdcch->coresetCfg.coreSetType = 0;
678 pdcch->coresetCfg.shiftIndex = pci;
679 pdcch->coresetCfg.precoderGranularity = 0; /* sameAsRegBundle */
681 pdcch->dci.rnti = SI_RNTI;
682 pdcch->dci.scramblingId = pci;
683 pdcch->dci.scramblingRnti = 0;
684 pdcch->dci.cceIndex = 0;
685 pdcch->dci.aggregLevel = 4;
686 pdcch->dci.beamPdcchInfo.numPrgs = 1;
687 pdcch->dci.beamPdcchInfo.prgSize = 1;
688 pdcch->dci.beamPdcchInfo.digBfInterfaces = 0;
689 pdcch->dci.beamPdcchInfo.prg[0].pmIdx = 0;
690 pdcch->dci.beamPdcchInfo.prg[0].beamIdx[0] = 0;
691 pdcch->dci.txPdcchPower.powerValue = 0;
692 pdcch->dci.txPdcchPower.powerControlOffsetSS = 0;
693 /* Storing pdschCfg pointer here. Required to access pdsch config while
694 fillig up pdcch pdu */
695 pdcch->dci.pdschCfg = pdsch;
697 /* fill the PDSCH PDU */
699 pdsch->pduBitmap = 0; /* PTRS and CBG params are excluded */
700 pdsch->rnti = 0xFFFF; /* SI-RNTI */
702 pdsch->numCodewords = 1;
703 for(cwCount = 0; cwCount < pdsch->numCodewords; cwCount++)
705 pdsch->codeword[cwCount].targetCodeRate = 308;
706 pdsch->codeword[cwCount].qamModOrder = 2;
707 pdsch->codeword[cwCount].mcsIndex = sib1SchCfg->sib1Mcs;
708 pdsch->codeword[cwCount].mcsTable = 0; /* notqam256 */
709 pdsch->codeword[cwCount].rvIndex = 0;
710 tbSize = schCalcTbSize(sib1SchCfg->sib1PduLen + TX_PAYLOAD_HDR_LEN);
711 pdsch->codeword[cwCount].tbSize = tbSize;
713 pdsch->dataScramblingId = pci;
714 pdsch->numLayers = 1;
715 pdsch->transmissionScheme = 0;
717 pdsch->dmrs.dlDmrsSymbPos = 4; /* Bitmap value 00000000000100 i.e. using 3rd symbol for PDSCH DMRS */
718 pdsch->dmrs.dmrsConfigType = 0; /* type-1 */
719 pdsch->dmrs.dlDmrsScramblingId = pci;
720 pdsch->dmrs.scid = 0;
721 pdsch->dmrs.numDmrsCdmGrpsNoData = 1;
722 pdsch->dmrs.dmrsPorts = 0x0001;
723 pdsch->dmrs.mappingType = DMRS_MAP_TYPE_A; /* Type-A */
724 pdsch->dmrs.nrOfDmrsSymbols = NUM_DMRS_SYMBOLS;
725 pdsch->dmrs.dmrsAddPos = DMRS_ADDITIONAL_POS;
727 pdsch->pdschFreqAlloc.resourceAllocType = 1; /* RAT type-1 RIV format */
728 /* the RB numbering starts from coreset0, and PDSCH is always above SSB */
729 pdsch->pdschFreqAlloc.freqAlloc.startPrb = offsetPointA + SCH_SSB_NUM_PRB;
730 pdsch->pdschFreqAlloc.freqAlloc.numPrb = schCalcNumPrb(tbSize,sib1SchCfg->sib1Mcs, NUM_PDSCH_SYMBOL);
731 pdsch->pdschFreqAlloc.vrbPrbMapping = 0; /* non-interleaved */
732 pdsch->pdschTimeAlloc.rowIndex = 1;
733 /* This is Intel's requirement. PDSCH should start after PDSCH DRMS symbol */
734 pdsch->pdschTimeAlloc.timeAlloc.startSymb = 3; /* spec-38.214, Table 5.1.2.1-1 */
735 pdsch->pdschTimeAlloc.timeAlloc.numSymb = NUM_PDSCH_SYMBOL;
736 pdsch->beamPdschInfo.numPrgs = 1;
737 pdsch->beamPdschInfo.prgSize = 1;
738 pdsch->beamPdschInfo.digBfInterfaces = 0;
739 pdsch->beamPdschInfo.prg[0].pmIdx = 0;
740 pdsch->beamPdschInfo.prg[0].beamIdx[0] = 0;
741 pdsch->txPdschPower.powerControlOffset = 0;
742 pdsch->txPdschPower.powerControlOffsetSS = 0;
747 * @brief cell config from MAC to SCH.
751 * Function : macSchCellCfgReq
753 * This API is invoked by MAC to send cell config to SCH
755 * @param[in] Pst *pst
756 * @param[in] SchCellCfg *schCellCfg
761 uint8_t SchProcCellCfgReq(Pst *pst, SchCellCfg *schCellCfg)
765 SchCellCfgCfm schCellCfgCfm;
767 Inst inst = pst->dstInst - SCH_INST_START;
768 uint8_t coreset0Idx = 0;
771 uint8_t freqDomainResource[FREQ_DOM_RSRC_SIZE] = {0};
772 SchPdschConfig pdschCfg;
774 schInitCellCb(inst, schCellCfg);
775 cellCb = schCb[inst].cells[inst]; //cells is of MAX_CELLS, why inst
776 cellCb->macInst = pst->srcInst;
778 /* derive the SIB1 config parameters */
779 fillSchSib1Cfg(schCellCfg->numerology, schCellCfg->bandwidth, cellCb->numSlots,
780 &(schCellCfg->sib1SchCfg), schCellCfg->phyCellId,
781 schCellCfg->ssbSchCfg.ssbOffsetPointA);
784 memcpy(&cellCb->cellCfg, schCellCfg, sizeof(SchCellCfg));
785 schProcPagingCfg(cellCb);
787 /* Fill coreset frequencyDomainResource bitmap */
788 coreset0Idx = cellCb->cellCfg.schInitialDlBwp.pdcchCommon.commonSearchSpace.coresetId;
789 numRbs = coresetIdxTable[coreset0Idx][1];
790 offset = coresetIdxTable[coreset0Idx][3];
791 fillCoresetFeqDomAllocMap(((cellCb->cellCfg.ssbSchCfg.ssbOffsetPointA - offset)/6), (numRbs/6), freqDomainResource);
792 covertFreqDomRsrcMapToIAPIFormat(freqDomainResource, \
793 cellCb->cellCfg.schInitialDlBwp.pdcchCommon.commonSearchSpace.freqDomainRsrc);
795 /* Fill K0 - K1 table for common cfg*/
796 BuildK0K1Table(cellCb, &cellCb->cellCfg.schInitialDlBwp.k0K1InfoTbl, true, cellCb->cellCfg.schInitialDlBwp.pdschCommon,
797 pdschCfg, DEFAULT_UL_ACK_LIST_COUNT, defaultUlAckTbl);
799 BuildK2InfoTable(cellCb, cellCb->cellCfg.schInitialUlBwp.puschCommon.timeDomRsrcAllocList,\
800 cellCb->cellCfg.schInitialUlBwp.puschCommon.numTimeDomRsrcAlloc, &cellCb->cellCfg.schInitialUlBwp.msg3K2InfoTbl, \
801 &cellCb->cellCfg.schInitialUlBwp.k2InfoTbl);
802 /* Initializing global variables */
803 cellCb->actvUeBitMap = 0;
804 cellCb->boIndBitMap = 0;
806 cellCb->cellCfg.schHqCfg.maxDlDataHqTx = SCH_MAX_NUM_DL_HQ_TX;
807 cellCb->cellCfg.schHqCfg.maxMsg4HqTx = SCH_MAX_NUM_MSG4_TX;
808 cellCb->cellCfg.schHqCfg.maxUlDataHqTx = SCH_MAX_NUM_UL_HQ_TX;
809 cellCb->cellCfg.schRachCfg.maxMsg3Tx = SCH_MAX_NUM_MSG3_TX;
811 cellCb->schAlgoType = SCH_FCFS;
812 cellCb->api = &schCb[inst].allApis[cellCb->schAlgoType]; /* For FCFS */
813 cellCb->api->SchCellCfgReq(cellCb);
815 /* Fill and send Cell config confirm */
816 memset(&rspPst, 0, sizeof(Pst));
817 FILL_PST_SCH_TO_MAC(rspPst, pst->dstInst);
818 rspPst.event = EVENT_SCH_CELL_CFG_CFM;
820 schCellCfgCfm.cellId = schCellCfg->cellId;
821 schCellCfgCfm.rsp = RSP_OK;
823 ret = MacMessageRouter(&rspPst, (void *)&schCellCfgCfm);
828 /*******************************************************************
830 * @brief Fill and send Cell delete response to MAC
834 * Function : SchSendCellDeleteRspToMac
836 * Functionality: Fill and send Cell delete response to MAC
838 * @params[in] SchCellDelete *ueDelete, Inst inst, SchMacRsp result
839 * @return ROK - success
842 * ****************************************************************/
843 uint8_t SchSendCellDeleteRspToMac(SchCellDeleteReq *ueDelete, Inst inst, SchMacRsp result)
848 SchCellDeleteRsp delRsp;
850 DU_LOG("\nINFO --> SCH : Filling Cell Delete response");
851 memset(&delRsp, 0, sizeof(SchCellDeleteRsp));
852 delRsp.cellId = ueDelete->cellId;
855 /* Filling response post */
856 memset(&rspPst, 0, sizeof(Pst));
857 FILL_PST_SCH_TO_MAC(rspPst, inst);
858 rspPst.event = EVENT_CELL_DELETE_RSP_TO_MAC;
859 ret = MacMessageRouter(&rspPst, (void *)&delRsp);
862 DU_LOG("\nERROR --> SCH : SchSendCellDeleteRspToMac(): failed to send the Cell Delete response");
868 /*******************************************************************
870 * @brief Function for cellCb Deletion
874 * Function : deleteSchCellCb
876 * Functionality: Function for cellCb Deletion
878 * @params[in] SchCellDelete *cellDelete
879 * @return ROK - success
882 * ****************************************************************/
883 void deleteSchCellCb(SchCellCb *cellCb)
885 uint8_t sliceIdx=0, slotIdx=0;
886 CmLListCp *list=NULL;
887 CmLList *node=NULL, *next=NULL;
888 SchPageInfo *tempNode = NULLP;
890 if(cellCb->schDlSlotInfo)
892 for(slotIdx=0; slotIdx<cellCb->numSlots; slotIdx++)
894 list = &cellCb->schDlSlotInfo[slotIdx]->prbAlloc.freePrbBlockList;
899 SCH_FREE(node->node, sizeof(FreePrbBlock));
900 deleteNodeFromLList(list, node);
903 SCH_FREE(cellCb->schDlSlotInfo[slotIdx], sizeof(SchDlSlotInfo));
905 SCH_FREE(cellCb->schDlSlotInfo, cellCb->numSlots *sizeof(SchDlSlotInfo*));
908 if(cellCb->schUlSlotInfo)
910 for(slotIdx=0; slotIdx<cellCb->numSlots; slotIdx++)
912 list = &cellCb->schUlSlotInfo[slotIdx]->prbAlloc.freePrbBlockList;
917 SCH_FREE(node->node, sizeof(FreePrbBlock));
918 deleteNodeFromLList(list, node);
921 SCH_FREE(cellCb->schUlSlotInfo[slotIdx], sizeof(SchUlSlotInfo));
923 SCH_FREE(cellCb->schUlSlotInfo, cellCb->numSlots * sizeof(SchUlSlotInfo*));
926 if(cellCb->cellCfg.plmnInfoList.snssai)
928 for(sliceIdx=0; sliceIdx<cellCb->cellCfg.plmnInfoList.numSliceSupport; sliceIdx++)
930 SCH_FREE(cellCb->cellCfg.plmnInfoList.snssai[sliceIdx], sizeof(Snssai));
932 SCH_FREE(cellCb->cellCfg.plmnInfoList.snssai, cellCb->cellCfg.plmnInfoList.numSliceSupport*sizeof(Snssai*));
935 for(uint16_t idx =0; idx<MAX_SFN; idx++)
937 list = &cellCb->pageCb.pageIndInfoRecord[idx];
944 tempNode = (SchPageInfo*)(node->node);
945 SCH_FREE(tempNode->pagePdu, tempNode->msgLen);
946 SCH_FREE(node->node, sizeof(SchPageInfo));
948 deleteNodeFromLList(list, node);
953 cellCb->api->SchCellDeleteReq(cellCb);
955 memset(cellCb, 0, sizeof(SchCellCb));
958 /*******************************************************************
960 * @brief Function for cell Delete request from MAC to SCH
964 * Function : SchProcCellDeleteReq
966 * Functionality: Function for cell Delete request from MAC to SCH
968 * @params[in] Pst *pst, SchCellDelete *cellDelete
969 * @return ROK - success
972 * ****************************************************************/
973 uint8_t SchProcCellDeleteReq(Pst *pst, SchCellDeleteReq *cellDelete)
975 uint8_t cellIdx=0, ret = RFAILED;
976 Inst inst = pst->dstInst - SCH_INST_START;
977 SchMacRsp result= RSP_OK;
981 DU_LOG("\nERROR --> SCH : SchProcCellDeleteReq(): Ue Delete request failed");
985 GET_CELL_IDX(cellDelete->cellId, cellIdx);
986 if(schCb[inst].cells[cellIdx] == NULLP)
988 DU_LOG("\nERROR --> SCH : SchProcCellDeleteReq(): cell Id[%d] is not available", cellDelete->cellId);
993 if(schCb[inst].cells[cellIdx]->cellId == cellDelete->cellId)
995 deleteSchCellCb(schCb[inst].cells[cellIdx]);
998 SCH_FREE(schCb[inst].cells[cellIdx], sizeof(SchCellCb));
999 DU_LOG("\nINFO --> SCH : Sending Cell Delete response to MAC");
1003 DU_LOG("\nERROR --> SCH : SchProcCellDeleteReq(): cell Id[%d] is not available",cellDelete->cellId);
1008 if(SchSendCellDeleteRspToMac(cellDelete, inst, result)!=ROK)
1010 DU_LOG("\nERROR --> SCH : SchProcCellDeleteReq(): failed to send Cell Delete response");
1017 /*******************************************************************
1019 * @brief Processes DL RLC BO info from MAC
1023 * Function : SchProcDlRlcBoInfo
1026 * Processes DL RLC BO info from MAC
1029 * @return ROK - success
1032 * ****************************************************************/
1033 uint8_t SchProcDlRlcBoInfo(Pst *pst, DlRlcBoInfo *dlBoInfo)
1037 bool isLcIdValid = false;
1038 SchUeCb *ueCb = NULLP;
1039 SchCellCb *cell = NULLP;
1040 Inst inst = pst->dstInst-SCH_INST_START;
1042 DU_LOG("\nDEBUG --> SCH : Received RLC BO Status indication LCId [%d] BO [%d]", dlBoInfo->lcId, dlBoInfo->dataVolume);
1043 cell = schCb[inst].cells[inst];
1047 DU_LOG("\nERROR --> SCH : SchProcDlRlcBoInfo(): Cell does not exists");
1051 GET_UE_ID(dlBoInfo->crnti, ueId);
1052 ueCb = &cell->ueCb[ueId-1];
1053 if(ueCb->ueCfg.dataTransmissionAction == STOP_DATA_TRANSMISSION)
1055 DU_LOG("INFO --> SCH : DL Data transmission not allowed for UE %d", ueCb->ueCfg.ueId);
1059 lcId = dlBoInfo->lcId;
1060 CHECK_LCID(lcId, isLcIdValid);
1061 if(isLcIdValid == FALSE)
1063 DU_LOG("ERROR --> SCH: LCID:%d is not valid", lcId);
1067 /*Expected when theres a case of Retransmission Failure or Resetablishment
1068 *By Zero BO, the RLC is informing that previous data can be cleared out
1069 *Thus clearing out the LC from the Lc priority list*/
1070 if(dlBoInfo->dataVolume == 0)
1072 /* TODO : Check the LC is Dedicated or default and accordingly LCList
1077 if(lcId == SRB0_LCID)
1079 cell->raCb[ueId -1].msg4recvd = true;
1080 cell->raCb[ueId -1].dlMsgPduLen = dlBoInfo->dataVolume;
1084 /* TODO : These part of changes will be corrected during DL scheduling as
1085 * per K0 - K1 -K2 */
1086 SET_ONE_BIT(ueId, cell->boIndBitMap);
1087 if(ueCb->dlInfo.dlLcCtxt[lcId].lcId == lcId)
1089 ueCb->dlInfo.dlLcCtxt[lcId].bo = dlBoInfo->dataVolume;
1093 DU_LOG("ERROR --> SCH: LCID:%d is not configured in SCH Cb",lcId);
1097 /* Adding UE Id to list of pending UEs to be scheduled */
1098 cell->api->SchDlRlcBoInfo(cell, ueId);
1102 /*******************************************************************
1104 * @brief Processes BSR indiation from MAC
1108 * Function : SchProcBsr
1111 * Processes DL BSR from MAC
1113 * @params[in] Pst pst
1114 * UlBufferStatusRptInd bsrInd
1115 * @return ROK - success
1118 * ****************************************************************/
1119 uint8_t SchProcBsr(Pst *pst, UlBufferStatusRptInd *bsrInd)
1121 Inst schInst = pst->dstInst-SCH_INST_START;
1122 SchCellCb *cellCb = NULLP;
1123 SchUeCb *ueCb = NULLP;
1126 DU_LOG("\nDEBUG --> SCH : Received BSR");
1129 DU_LOG("\nERROR --> SCH : BSR Ind is empty");
1132 cellCb = schCb[schInst].cells[schInst];
1135 DU_LOG("\nERROR --> SCH : CellCb is empty");
1138 ueCb = schGetUeCb(cellCb, bsrInd->crnti);
1142 DU_LOG("\nERROR --> SCH : UeCB is empty");
1146 if(ueCb->ueCfg.dataTransmissionAction == STOP_DATA_TRANSMISSION)
1148 DU_LOG("\nINFO --> SCH: UL Data transmission not allowed for UE %d", ueCb->ueCfg.ueId);
1152 ueCb->bsrRcvd = true;
1153 /* store dataVolume per lcg in uecb */
1154 for(lcgIdx = 0; lcgIdx < bsrInd->numLcg; lcgIdx++)
1156 ueCb->bsrInfo[bsrInd->dataVolInfo[lcgIdx].lcgId].priority = 1; //TODO: determining LCG priority?
1157 ueCb->bsrInfo[bsrInd->dataVolInfo[lcgIdx].lcgId].dataVol = bsrInd->dataVolInfo[lcgIdx].dataVol;
1160 /* Adding UE Id to list of pending UEs to be scheduled */
1161 cellCb->api->SchBsr(cellCb, ueCb->ueId);
1165 /*******************************************************************
1167 * @brief Processes SR UCI indication from MAC
1171 * Function : SchProcSrUciInd
1174 * Processes SR UCI indication from MAC
1176 * @params[in] Post structure
1178 * @return ROK - success
1181 * ****************************************************************/
1182 uint8_t SchProcSrUciInd(Pst *pst, SrUciIndInfo *uciInd)
1184 Inst inst = pst->dstInst-SCH_INST_START;
1187 SchCellCb *cellCb = schCb[inst].cells[inst];
1189 DU_LOG("\nDEBUG --> SCH : Received SR");
1191 ueCb = schGetUeCb(cellCb, uciInd->crnti);
1193 if(ueCb->state == SCH_UE_STATE_INACTIVE)
1195 DU_LOG("\nERROR --> SCH : Crnti %d is inactive", uciInd->crnti);
1198 if(ueCb->ueCfg.dataTransmissionAction == STOP_DATA_TRANSMISSION)
1200 DU_LOG("\nINFO --> SCH: UL Data transmission not allowed for UE %d", ueCb->ueCfg.ueId);
1203 if(uciInd->numSrBits)
1205 ueCb->srRcvd = true;
1206 /* Adding UE Id to list of pending UEs to be scheduled */
1207 cellCb->api->SchSrUciInd(cellCb, ueCb->ueId);
1212 /*******************************************************************
1214 * @brief Processes DL HARQ indication from MAC
1218 * Function : SchProcDlHarqInd
1221 * Processes DL HARQ indication from MAC
1223 * @params[in] Post structure
1224 * DL HARQ Indication
1225 * @return ROK - success
1228 * ****************************************************************/
1229 uint8_t SchProcDlHarqInd(Pst *pst, DlHarqInd *dlHarqInd)
1231 Inst inst = pst->dstInst-SCH_INST_START;
1233 SchCellCb *cellCb = schCb[inst].cells[inst];
1235 DU_LOG("\nDEBUG --> SCH : Received HARQ");
1237 ueCb = schGetUeCb(cellCb, dlHarqInd->crnti);
1239 if(ueCb->state == SCH_UE_STATE_INACTIVE)
1241 DU_LOG("\nERROR --> SCH : Crnti %d is inactive", dlHarqInd->crnti);
1245 schUpdateHarqFdbk(ueCb, dlHarqInd->numHarq, dlHarqInd->harqPayload, &dlHarqInd->slotInd);
1250 /*******************************************************************
1252 * @brief Allocates requested PRBs for DL
1256 * Function : allocatePrbDl
1259 * Allocates requested PRBs in DL
1260 * Keeps track of allocated PRB (using bitmap) and remaining PRBs
1262 * @params[in] prbAlloc table
1268 * @return ROK - success
1271 * ****************************************************************/
1272 uint8_t allocatePrbDl(SchCellCb *cell, SlotTimingInfo slotTime, \
1273 uint8_t startSymbol, uint8_t symbolLength, uint16_t *startPrb, uint16_t numPrb)
1276 uint16_t broadcastPrbStart=0, broadcastPrbEnd=0;
1277 FreePrbBlock *freePrbBlock = NULLP;
1278 CmLList *freePrbNode = NULLP;
1279 PduTxOccsaion ssbOccasion=0, sib1Occasion=0;
1280 SchDlSlotInfo *schDlSlotInfo = cell->schDlSlotInfo[slotTime.slot];
1281 SchPrbAlloc *prbAlloc = &schDlSlotInfo->prbAlloc;
1283 /* If startPrb is set to MAX_NUM_RB, it means startPrb is not known currently.
1284 * Search for an appropriate location in PRB grid and allocate requested resources */
1285 if(*startPrb == MAX_NUM_RB)
1287 /* Check if SSB/SIB1 is also scheduled in this slot */
1288 ssbOccasion = schCheckSsbOcc(cell, slotTime);
1289 sib1Occasion = schCheckSib1Occ(cell, slotTime);
1291 if(ssbOccasion && sib1Occasion)
1293 broadcastPrbStart = cell->cellCfg.ssbSchCfg.ssbOffsetPointA;
1294 broadcastPrbEnd = broadcastPrbStart + SCH_SSB_NUM_PRB + cell->cellCfg.sib1SchCfg.sib1PdschCfg.pdschFreqAlloc.freqAlloc.numPrb -1;
1296 else if(ssbOccasion)
1298 broadcastPrbStart = cell->cellCfg.ssbSchCfg.ssbOffsetPointA;
1299 broadcastPrbEnd = broadcastPrbStart + SCH_SSB_NUM_PRB -1;
1301 else if(sib1Occasion)
1303 broadcastPrbStart = cell->cellCfg.sib1SchCfg.sib1PdschCfg.pdschFreqAlloc.freqAlloc.startPrb;
1304 broadcastPrbEnd = broadcastPrbStart + cell->cellCfg.sib1SchCfg.sib1PdschCfg.pdschFreqAlloc.freqAlloc.numPrb -1;
1307 /* Iterate through all free PRB blocks */
1308 freePrbNode = prbAlloc->freePrbBlockList.first;
1311 freePrbBlock = (FreePrbBlock *)freePrbNode->node;
1313 /* If broadcast message is scheduled in this slot, then check if its PRBs belong to the current free block.
1314 * Since SSB/SIB1 PRB location is fixed, these PRBs cannot be allocated to other message in same slot */
1315 if((ssbOccasion || sib1Occasion) &&
1316 ((broadcastPrbStart >= freePrbBlock->startPrb) && (broadcastPrbStart <= freePrbBlock->endPrb)) && \
1317 ((broadcastPrbEnd >= freePrbBlock->startPrb) && (broadcastPrbEnd <= freePrbBlock->endPrb)))
1319 /* Implmentation is done such that highest-numbered free-RB is allocated first */
1320 if((freePrbBlock->endPrb > broadcastPrbEnd) && ((freePrbBlock->endPrb - broadcastPrbEnd) >= numPrb))
1322 /* If sufficient free PRBs are available above bradcast message then,
1323 * endPrb = freePrbBlock->endPrb
1324 * startPrb = endPrb - numPrb +1;
1326 *startPrb = freePrbBlock->endPrb - numPrb +1;
1329 else if((broadcastPrbStart > freePrbBlock->startPrb) && ((broadcastPrbStart - freePrbBlock->startPrb) >= numPrb))
1331 /* If free PRBs are available below broadcast message then,
1332 * endPrb = broadcastPrbStart - 1
1333 * startPrb = endPrb - numPrb +1
1335 *startPrb = broadcastPrbStart - numPrb;
1340 freePrbNode = freePrbNode->next;
1346 /* Check if requested number of blocks can be allocated from the current block */
1347 if (freePrbBlock->numFreePrb < numPrb)
1349 freePrbNode = freePrbNode->next;
1352 *startPrb = freePrbBlock->endPrb - numPrb +1;
1357 /* If no free block can be used to allocated request number of RBs */
1358 if(*startPrb == MAX_NUM_RB)
1362 /* If startPrb is known already, check if requested PRBs are available for allocation */
1365 freePrbNode = isPrbAvailable(&prbAlloc->freePrbBlockList, *startPrb, numPrb);
1368 DU_LOG("\nERROR --> SCH: Requested DL PRB unavailable");
1373 /* Update bitmap to allocate PRBs */
1374 for(symbol=startSymbol; symbol < (startSymbol+symbolLength); symbol++)
1376 if(fillPrbBitmap(prbAlloc->prbBitMap[symbol], *startPrb, numPrb) != ROK)
1378 DU_LOG("\nERROR --> SCH: fillPrbBitmap() failed for symbol [%d] in DL", symbol);
1383 /* Update the remaining number for free PRBs */
1384 removeAllocatedPrbFromFreePrbList(&prbAlloc->freePrbBlockList, freePrbNode, *startPrb, numPrb);
1389 /*******************************************************************
1391 * @brief Allocates requested PRBs for UL
1395 * Function : allocatePrbUl
1398 * Allocates requested PRBs in UL
1399 * Keeps track of allocated PRB (using bitmap) and remaining PRBs
1401 * @params[in] prbAlloc table
1407 * @return ROK - success
1410 * ****************************************************************/
1411 uint8_t allocatePrbUl(SchCellCb *cell, SlotTimingInfo slotTime, \
1412 uint8_t startSymbol, uint8_t symbolLength, uint16_t *startPrb, uint16_t numPrb)
1415 uint16_t prachStartPrb, prachNumPrb, prachEndPrb;
1416 bool isPrachOccasion;
1417 FreePrbBlock *freePrbBlock = NULLP;
1418 CmLList *freePrbNode = NULLP;
1419 SchPrbAlloc *prbAlloc = NULLP;
1423 DU_LOG("\nERROR --> SCH : allocatePrbUl(): Received cellCb is null");
1427 prbAlloc = &cell->schUlSlotInfo[slotTime.slot]->prbAlloc;
1428 /* If startPrb is set to MAX_NUM_RB, it means startPrb is not known currently.
1429 * Search for an appropriate location in PRB grid and allocate requested resources */
1430 if(*startPrb == MAX_NUM_RB)
1432 /* Check if PRACH is also scheduled in this slot */
1433 isPrachOccasion = schCheckPrachOcc(cell, slotTime);
1436 prachStartPrb = cell->cellCfg.schRachCfg.msg1FreqStart;
1437 prachNumPrb = schCalcPrachNumRb(cell);
1438 prachEndPrb = prachStartPrb + prachNumPrb -1;
1441 /* Iterate through all free PRB blocks */
1442 freePrbNode = prbAlloc->freePrbBlockList.first;
1445 freePrbBlock = (FreePrbBlock *)freePrbNode->node;
1447 /* If PRACH is scheduled in this slot, then check if its PRBs belong to the current free block.
1448 * PRBs required for PRACH cannot be allocated to any other message */
1449 if((isPrachOccasion) &&
1450 ((prachStartPrb >= freePrbBlock->startPrb) && (prachStartPrb <= freePrbBlock->endPrb)) &&
1451 ((prachEndPrb >= freePrbBlock->startPrb) && (prachEndPrb <= freePrbBlock->endPrb)))
1453 /* Implmentation is done such that highest-numbered free-RB is allocated first */
1454 if((freePrbBlock->endPrb > prachEndPrb) && ((freePrbBlock->endPrb - prachEndPrb) >= numPrb))
1456 /* If sufficient free PRBs are available above PRACH message then,
1457 * endPrb = freePrbBlock->endPrb
1458 * startPrb = endPrb - numPrb +1;
1460 *startPrb = freePrbBlock->endPrb - numPrb +1;
1463 else if((prachStartPrb > freePrbBlock->startPrb) && ((prachStartPrb - freePrbBlock->startPrb) >= numPrb))
1465 /* If free PRBs are available below PRACH message then,
1466 * endPrb = prachStartPrb - 1
1467 * startPrb = endPrb - numPrb +1
1469 *startPrb = prachStartPrb - numPrb;
1474 freePrbNode = freePrbNode->next;
1480 /* Check if requested number of PRBs can be allocated from currect block */
1481 if(freePrbBlock->numFreePrb < numPrb)
1483 freePrbNode = freePrbNode->next;
1486 *startPrb = freePrbBlock->endPrb - numPrb +1;
1491 /* If no free block can be used to allocated requested number of RBs */
1492 if(*startPrb == MAX_NUM_RB)
1497 /* If startPrb is known already, check if requested PRBs are available for allocation */
1498 freePrbNode = isPrbAvailable(&prbAlloc->freePrbBlockList, *startPrb, numPrb);
1501 DU_LOG("\nERROR --> SCH: Requested UL PRB unavailable");
1506 /* Update bitmap to allocate PRBs */
1507 for(symbol=startSymbol; symbol < (startSymbol+symbolLength); symbol++)
1509 if(fillPrbBitmap(prbAlloc->prbBitMap[symbol], *startPrb, numPrb) != ROK)
1511 DU_LOG("\nERROR --> SCH: fillPrbBitmap() failed for symbol [%d] in UL", symbol);
1516 /* Update the remaining number for free PRBs */
1517 removeAllocatedPrbFromFreePrbList(&prbAlloc->freePrbBlockList, freePrbNode, *startPrb, numPrb);
1522 /*******************************************************************************
1524 * @brief Try to find Best Free Block with Max Num PRB
1528 * Function : searchLargestFreeBlock
1531 * Finds the FreeBlock with MaxNum of FREE PRB considering SSB/SIB1 ocassions.
1533 * @params[in] I/P > prbAlloc table (FreeBlock list)
1534 * I/P > Slot timing Info
1536 * I/P > Direction (UL/DL)
1539 * @return Max Number of Free PRB
1540 * If 0, then no Suitable Free Block
1542 * ********************************************************************************/
1544 uint16_t searchLargestFreeBlock(SchCellCb *cell, SlotTimingInfo slotTime,uint16_t *startPrb, Direction dir)
1546 uint16_t reservedPrbStart=0, reservedPrbEnd=0, maxFreePRB = 0;
1547 FreePrbBlock *freePrbBlock = NULLP;
1548 CmLList *freePrbNode = NULLP;
1549 SchPrbAlloc *prbAlloc = NULLP;
1550 bool checkOccasion = FALSE;
1552 *startPrb = 0; /*Initialize the StartPRB to zero*/
1554 /*Based on Direction, Reserved Messsages will differi.e.
1555 * DL >> SSB and SIB1 ocassions wheres for UL, PRACH ocassions to be checked
1556 * and reserved before allocation for dedicated DL/UL msg*/
1559 SchDlSlotInfo *schDlSlotInfo = cell->schDlSlotInfo[slotTime.slot];
1560 PduTxOccsaion ssbOccasion=0, sib1Occasion=0;
1562 prbAlloc = &schDlSlotInfo->prbAlloc;
1564 ssbOccasion = schCheckSsbOcc(cell, slotTime);
1565 sib1Occasion = schCheckSib1Occ(cell, slotTime);
1567 checkOccasion = TRUE;
1568 if(ssbOccasion && sib1Occasion)
1570 reservedPrbStart = cell->cellCfg.ssbSchCfg.ssbOffsetPointA;
1571 reservedPrbEnd = reservedPrbStart + SCH_SSB_NUM_PRB + \
1572 cell->cellCfg.sib1SchCfg.sib1PdschCfg.pdschFreqAlloc.freqAlloc.numPrb -1;
1574 else if(ssbOccasion)
1576 reservedPrbStart = cell->cellCfg.ssbSchCfg.ssbOffsetPointA;
1577 reservedPrbEnd = reservedPrbStart + SCH_SSB_NUM_PRB -1;
1579 else if(sib1Occasion)
1581 reservedPrbStart = cell->cellCfg.sib1SchCfg.sib1PdschCfg.pdschFreqAlloc.freqAlloc.startPrb;
1582 reservedPrbEnd = reservedPrbStart + cell->cellCfg.sib1SchCfg.sib1PdschCfg.pdschFreqAlloc.freqAlloc.numPrb -1;
1586 checkOccasion = FALSE;
1589 else if(dir == DIR_UL)
1591 prbAlloc = &cell->schUlSlotInfo[slotTime.slot]->prbAlloc;
1593 /* Check if PRACH is also scheduled in this slot */
1594 checkOccasion = schCheckPrachOcc(cell, slotTime);
1597 reservedPrbStart = cell->cellCfg.schRachCfg.msg1FreqStart;
1598 reservedPrbEnd = reservedPrbStart + (schCalcPrachNumRb(cell)) -1;
1603 DU_LOG("\nERROR --> SCH: Invalid Direction!");
1604 return (maxFreePRB);
1607 freePrbNode = prbAlloc->freePrbBlockList.first;
1610 freePrbBlock = (FreePrbBlock *)freePrbNode->node;
1612 /*For block with same numFreeBlocks, choose the one with HighestPRB range
1613 *Since FreeBLockList are arranged in Descending order of PRB range thus Skipping this block*/
1614 if(maxFreePRB >= freePrbBlock->numFreePrb)
1617 freePrbNode = freePrbNode->next;
1621 /* If Broadcast/Prach message is scheduled in this slot, then check if its PRBs belong to the current free block.
1622 * Since SSB/SIB1 PRB location is fixed, these PRBs cannot be allocated to other message in same slot */
1624 ((reservedPrbStart >= freePrbBlock->startPrb) && (reservedPrbStart <= freePrbBlock->endPrb)) && \
1625 ((reservedPrbEnd >= freePrbBlock->startPrb) && (reservedPrbEnd <= freePrbBlock->endPrb)))
1628 /* Implmentation is done such that highest-numbered free-RB is Checked first
1629 and freePRB in this block is greater than Max till now */
1630 if((freePrbBlock->endPrb > reservedPrbEnd) && ((freePrbBlock->endPrb - reservedPrbEnd) > maxFreePRB))
1632 /* If sufficient free PRBs are available above reserved message*/
1633 *startPrb = reservedPrbEnd + 1;
1634 maxFreePRB = (freePrbBlock->endPrb - reservedPrbEnd);
1636 /*Also check the other freeBlock (i.e. Above the reserved message) for MAX FREE PRB*/
1637 if((reservedPrbStart > freePrbBlock->startPrb) && ((reservedPrbStart - freePrbBlock->startPrb) > maxFreePRB))
1639 /* If free PRBs are available below reserved message*/
1640 *startPrb = freePrbBlock->startPrb;
1641 maxFreePRB = (reservedPrbStart - freePrbBlock->startPrb);
1646 if(maxFreePRB < freePrbBlock->numFreePrb)
1648 *startPrb = freePrbBlock->startPrb;
1649 maxFreePRB = freePrbBlock->numFreePrb;
1653 freePrbNode = freePrbNode->next;
1658 /*******************************************************************************
1660 * @brief This function is used to send Slice Cfg rsp to MAC
1664 * Function : SchSendSliceCfgRspToMac
1667 * function is used to send Slice Cfg rsp to MAC
1669 * @params[in] Pst *pst, SchSliceCfgRsp sliceCfgRsp
1673 * ********************************************************************************/
1674 void SchSendSliceCfgRspToMac(Inst inst, SchSliceCfgRsp sliceCfgRsp)
1678 memset(&rspPst, 0, sizeof(Pst));
1679 FILL_PST_SCH_TO_MAC(rspPst, inst);
1680 rspPst.event = EVENT_SLICE_CFG_RSP_TO_MAC;
1682 MacMessageRouter(&rspPst, (void *)&sliceCfgRsp);
1685 /*******************************************************************************
1687 * @brief fill slice configuration response
1691 * Function : fillSliceCfgRsp
1694 * fill slice configuration response
1696 * @params[in] SchCellCb, SchSliceCfgReq, SchSliceCfgRsp,uint8_t count
1702 * ********************************************************************************/
1703 uint8_t fillSliceCfgRsp(bool sliceRecfg, SchSliceCfg *storedSliceCfg, SchCellCb *cellCb, SchSliceCfgReq *schSliceCfgReq, SchSliceCfgRsp *schSliceCfgRsp, uint8_t *count)
1705 bool sliceFound = false;
1706 uint8_t cfgIdx = 0, sliceIdx = 0;
1708 schSliceCfgRsp->numSliceCfgRsp = schSliceCfgReq->numOfConfiguredSlice;
1709 SCH_ALLOC(schSliceCfgRsp->listOfSliceCfgRsp, schSliceCfgRsp->numSliceCfgRsp * sizeof(SliceRsp*));
1710 if(schSliceCfgRsp->listOfSliceCfgRsp == NULLP)
1712 DU_LOG("\nERROR --> SCH : Memory allocation failed at fillSliceCfgRsp");
1716 for(cfgIdx = 0; cfgIdx<schSliceCfgRsp->numSliceCfgRsp ; cfgIdx++)
1719 /* Here comparing the slice cfg request with the slice stored in cellCfg */
1720 if(sliceRecfg != true)
1722 for(sliceIdx = 0; sliceIdx<cellCb->cellCfg.plmnInfoList.numSliceSupport; sliceIdx++)
1724 if(!memcmp(&schSliceCfgReq->listOfSlices[cfgIdx]->snssai, cellCb->cellCfg.plmnInfoList.snssai[sliceIdx], sizeof(Snssai)))
1734 /* Here comparing the slice cfg request with the slice stored in SchDb */
1735 if(storedSliceCfg->listOfSlices)
1737 for(sliceIdx = 0; sliceIdx<storedSliceCfg->numOfSliceConfigured; sliceIdx++)
1739 if(!memcmp(&schSliceCfgReq->listOfSlices[cfgIdx]->snssai, &storedSliceCfg->listOfSlices[sliceIdx]->snssai,\
1750 SCH_ALLOC(schSliceCfgRsp->listOfSliceCfgRsp[cfgIdx], sizeof(SliceRsp));
1751 if(schSliceCfgRsp->listOfSliceCfgRsp[cfgIdx] == NULLP)
1753 DU_LOG("\nERROR --> SCH : Failed to allocate memory in fillSliceCfgRsp");
1758 schSliceCfgRsp->listOfSliceCfgRsp[cfgIdx]->snssai = schSliceCfgReq->listOfSlices[cfgIdx]->snssai;
1759 if(sliceFound == true)
1760 schSliceCfgRsp->listOfSliceCfgRsp[cfgIdx]->rsp = RSP_OK;
1763 schSliceCfgRsp->listOfSliceCfgRsp[cfgIdx]->rsp = RSP_NOK;
1764 schSliceCfgRsp->listOfSliceCfgRsp[cfgIdx]->cause = SLICE_NOT_FOUND;
1770 /*******************************************************************************
1772 * @brief This function is used to store the slice configuration Sch DB
1776 * Function : addSliceCfgInSchDb
1779 * function is used to store the slice configuration Sch DB
1781 * @params[in] SchSliceCfg *storeSliceCfg, SchSliceCfgReq *cfgReq,
1782 * SchSliceCfgRsp cfgRsp, uint8_t count
1788 * ********************************************************************************/
1789 uint8_t addSliceCfgInSchDb(SchSliceCfg *storeSliceCfg, SchSliceCfgReq *cfgReq, SchSliceCfgRsp cfgRsp, uint8_t count)
1791 uint8_t cfgIdx = 0, sliceIdx = 0;
1795 storeSliceCfg->numOfSliceConfigured = count;
1796 SCH_ALLOC(storeSliceCfg->listOfSlices, storeSliceCfg->numOfSliceConfigured * sizeof(SchRrmPolicyOfSlice*));
1797 if(storeSliceCfg->listOfSlices == NULLP)
1799 DU_LOG("\nERROR --> SCH : Failed to allocate memory in addSliceCfgInSchDb");
1803 for(cfgIdx = 0; cfgIdx<storeSliceCfg->numOfSliceConfigured; cfgIdx++)
1805 if(cfgRsp.listOfSliceCfgRsp[cfgIdx]->rsp == RSP_OK)
1807 SCH_ALLOC(storeSliceCfg->listOfSlices[sliceIdx], sizeof(SchRrmPolicyOfSlice));
1808 if(storeSliceCfg->listOfSlices[sliceIdx] == NULLP)
1810 DU_LOG("\nERROR --> SCH : Failed to allocate memory in addSliceCfgInSchDb");
1814 memcpy(&storeSliceCfg->listOfSlices[sliceIdx]->snssai, &cfgReq->listOfSlices[sliceIdx]->snssai, sizeof(Snssai));
1815 memcpy(&storeSliceCfg->listOfSlices[sliceIdx]->rrmPolicyRatioInfo, &cfgReq->listOfSlices[sliceIdx]->rrmPolicyRatioInfo,
1816 sizeof(SchRrmPolicyRatio));
1824 /*******************************************************************************
1826 * @brief This function is used to free the slice cfg and re cfg request pointer
1830 * Function : freeSchSliceCfgReq
1833 * function is used to free the slice cfg and re cfg request pointer
1835 * @params[in] Pst *pst, SchSliceCfgReq *schSliceCfgReq
1840 * ********************************************************************************/
1841 void freeSchSliceCfgReq(SchSliceCfgReq *sliceCfgReq)
1847 if(sliceCfgReq->numOfConfiguredSlice)
1849 for(cfgIdx = 0; cfgIdx<sliceCfgReq->numOfConfiguredSlice; cfgIdx++)
1851 if(sliceCfgReq->listOfSlices[cfgIdx])
1853 SCH_FREE(sliceCfgReq->listOfSlices[cfgIdx], sizeof(SchRrmPolicyOfSlice));
1856 SCH_FREE(sliceCfgReq->listOfSlices, sliceCfgReq->numOfConfiguredSlice * sizeof(SchRrmPolicyOfSlice*));
1858 SCH_FREE(sliceCfgReq, sizeof(SchSliceCfgReq));
1861 /*******************************************************************************
1863 * @brief This function is used to store the slice configuration Sch DB
1867 * Function : SchProcSliceCfgReq
1870 * function is used to store the slice configuration Sch DB
1872 * @params[in] Pst *pst, SchSliceCfgReq *schSliceCfgReq
1878 * ********************************************************************************/
1879 uint8_t SchProcSliceCfgReq(Pst *pst, SchSliceCfgReq *schSliceCfgReq)
1882 Inst inst = pst->dstInst - SCH_INST_START;
1883 SchSliceCfgRsp sliceCfgRsp;
1885 DU_LOG("\nINFO --> SCH : Received Slice Cfg request from MAC");
1888 if(schSliceCfgReq->listOfSlices)
1890 /* filling the slice configuration response of each slice */
1891 if(fillSliceCfgRsp(false, NULLP, schCb[inst].cells[0], schSliceCfgReq, &sliceCfgRsp, &count) != ROK)
1893 DU_LOG("\nERROR --> SCH : Failed to fill the slice cfg rsp");
1897 if(addSliceCfgInSchDb(&schCb[inst].sliceCfg, schSliceCfgReq, sliceCfgRsp, count) != ROK)
1899 DU_LOG("\nERROR --> SCH : Failed to add slice cfg in sch database");
1902 freeSchSliceCfgReq(schSliceCfgReq);
1903 SchSendSliceCfgRspToMac(inst, sliceCfgRsp);
1908 DU_LOG("\nERROR --> SCH : Received SchSliceCfgReq is NULL");
1913 /*******************************************************************************
1915 * @brief This function is used to store the slice reconfiguration Sch DB
1919 * Function : modifySliceCfgInSchDb
1922 * function is used to store the slice re configuration Sch DB
1924 * @params[in] Pst *pst, SchSliceCfgReq *schSliceCfgReq
1930 * ********************************************************************************/
1931 uint8_t modifySliceCfgInSchDb(SchSliceCfg *storeSliceCfg, SchSliceRecfgReq *recfgReq, SchSliceRecfgRsp recfgRsp, uint8_t count)
1933 uint8_t cfgIdx = 0, sliceIdx = 0;
1937 if(storeSliceCfg->listOfSlices == NULLP)
1939 DU_LOG("\nINFO --> SCH : Memory allocation failed in modifySliceCfgInSchDb");
1943 for(cfgIdx = 0; cfgIdx<recfgReq->numOfConfiguredSlice; cfgIdx++)
1945 if(recfgRsp.listOfSliceCfgRsp[cfgIdx]->rsp == RSP_OK)
1947 for(sliceIdx = 0; sliceIdx<storeSliceCfg->numOfSliceConfigured; sliceIdx++)
1949 if(!memcmp(&storeSliceCfg->listOfSlices[sliceIdx]->snssai, &recfgReq->listOfSlices[cfgIdx]->snssai, sizeof(Snssai)))
1951 memcpy(&storeSliceCfg->listOfSlices[sliceIdx]->rrmPolicyRatioInfo, &recfgReq->listOfSlices[cfgIdx]->rrmPolicyRatioInfo,
1952 sizeof(SchRrmPolicyRatio));
1959 freeSchSliceCfgReq(recfgReq);
1962 /*******************************************************************************
1964 * @brief This function is used to send Slice re Cfg rsp to MAC
1968 * Function : SchSendSliceRecfgRspToMac
1971 * function is used to send Slice re Cfg rsp to MAC
1973 * @params[in] Pst *pst, SchSliceRecfgRsp schSliceRecfgRsp
1977 * ********************************************************************************/
1978 void SchSendSliceRecfgRspToMac(Inst inst, SchSliceRecfgRsp schSliceRecfgRsp)
1982 memset(&rspPst, 0, sizeof(Pst));
1983 FILL_PST_SCH_TO_MAC(rspPst, inst);
1984 rspPst.event = EVENT_SLICE_RECFG_RSP_TO_MAC;
1986 MacMessageRouter(&rspPst, (void *)&schSliceRecfgRsp);
1988 /*******************************************************************************
1990 * @brief This function is used to store the slice reconfiguration Sch DB
1994 * Function : SchProcSliceRecfgReq
1997 * function is used to store the slice re configuration Sch DB
1999 * @params[in] Pst *pst, SchSliceRecfgReq *schSliceRecfgReq
2005 * ********************************************************************************/
2006 uint8_t SchProcSliceRecfgReq(Pst *pst, SchSliceRecfgReq *schSliceRecfgReq)
2009 Inst inst = pst->dstInst - SCH_INST_START;
2010 SchSliceRecfgRsp schSliceRecfgRsp;
2012 DU_LOG("\nINFO --> SCH : Received Slice ReCfg request from MAC");
2013 if(schSliceRecfgReq)
2015 if(schSliceRecfgReq->listOfSlices)
2017 /* filling the slice configuration response of each slice */
2018 if(fillSliceCfgRsp(true, &schCb[inst].sliceCfg, NULLP, schSliceRecfgReq, &schSliceRecfgRsp, &count) != ROK)
2020 DU_LOG("\nERROR --> SCH : Failed to fill sch slice cfg response");
2024 /* Modify the slice configuration stored in schCb */
2025 if(modifySliceCfgInSchDb(&schCb[inst].sliceCfg, schSliceRecfgReq, schSliceRecfgRsp, count) != ROK)
2027 DU_LOG("\nERROR --> SCH : Failed to modify slice cfg of SchDb");
2030 SchSendSliceRecfgRspToMac(inst, schSliceRecfgRsp);
2035 DU_LOG("\nERROR --> SCH : Received SchSliceRecfgReq is NULL");
2040 /****************************************************************************
2042 * @brief Stores the Paging Configuration from DU APP in CellCb
2046 * Function : schProcPagingParam
2049 * Process the Paging Configuration when FirstPDCCHMonitoring for
2050 * Paging Ocassion is not present.
2052 * As per 38.304 Sec 7.1,
2053 * "When firstPDCCH-MonitoringOccasionOfPO is present, the
2054 * starting PDCCH monitoring occasion number of (i_s + 1)th PO is the
2055 * (i_s + 1)th value of the firstPDCCHMonitoringOccasionOfPO
2056 * parameter; otherwise, it is equal to i_s * S."
2057 * "S = number of actual transmitted SSBs determined according
2058 * to ssb-PositionsInBurst in SIB1"
2060 * @params[in] SchCellCb *cell
2064 *************************************************************************/
2065 void schProcPagingCfg(SchCellCb *cell)
2067 PageCfg *pageCfgRcvd = NULL;
2070 pageCfgRcvd = &(cell->cellCfg.sib1SchCfg.pageCfg);
2072 if(pageCfgRcvd->poPresent == TRUE)
2074 /*Fetching first Pdcch Monitoring Occasion for SFN (i_s + 1)th*/
2075 for(i_sIdx = 0; i_sIdx < pageCfgRcvd->numPO; i_sIdx++)
2077 cell->pageCb.pagMonOcc[i_sIdx].pagingOccSlot = pageCfgRcvd->pagingOcc[i_sIdx] / MAX_SYMB_PER_SLOT ;
2078 if ((pageCfgRcvd->pagingOcc[i_sIdx] % MAX_SYMB_PER_SLOT) != 0 )
2080 cell->pageCb.pagMonOcc[i_sIdx].pagingOccSlot++;
2083 cell->pageCb.pagMonOcc[i_sIdx].frameOffset = 0;
2089 schCfgPdcchMonOccOfPO(cell);
2093 /****************************************************************************
2095 * @brief Calculate PO if not present in Configuration
2099 * Function : schCfgPdcchMonOccOfPO
2101 * Functionality: In this function, PO are calculated i_s * S because
2102 * FirstPDCCHMonitoring_ForPO is not present.
2104 * @params[in] SchCellCb *cellCb
2108 *************************************************************************/
2109 void schCfgPdcchMonOccOfPO(SchCellCb *cell)
2111 uint8_t cnt = 0, incr = 1, i_sIdx = 0, frameOffSet = 0;
2112 uint8_t nsValue = cell->cellCfg.sib1SchCfg.pageCfg.numPO;
2113 uint8_t totalNumSsb = cell->cellCfg.ssbSchCfg.totNumSsb;
2114 SlotTimingInfo tmpTimingInfo, pdcchTime;
2116 /*Starting with First Sfn and slot*/
2117 tmpTimingInfo.sfn = 0;
2118 tmpTimingInfo.slot = 0;
2120 pdcchTime = tmpTimingInfo;
2122 while(i_sIdx < nsValue)
2124 /*Increment frame Offset if PO falls on next SFN*/
2125 if(pdcchTime.sfn != tmpTimingInfo.sfn)
2129 pdcchTime = tmpTimingInfo;
2130 schIncrSlot(&(tmpTimingInfo), incr, cell->numSlots);
2134 cell->pageCb.pagMonOcc[i_sIdx].pagingOccSlot = pdcchTime.slot;
2135 cell->pageCb.pagMonOcc[i_sIdx].frameOffset = frameOffSet;
2141 if((cnt == totalNumSsb) && (i_sIdx < MAX_PO_PER_PF))
2143 cell->pageCb.pagMonOcc[i_sIdx].pagingOccSlot = pdcchTime.slot;
2144 cell->pageCb.pagMonOcc[i_sIdx].frameOffset = frameOffSet;
2152 /****************************************************************************
2154 * @brief Storing the paging information in SCH database
2158 * Function : schAddPagingIndtoList
2160 * Functionality: Storing the paging information in SCH database
2162 * @params[in] CmLListCp *storedPageList, CmLList *pageIndInfo
2164 * @return ROK - sucess
2167 *************************************************************************/
2168 uint8_t schAddPagingIndtoList(CmLListCp *storedPageList,void * pageIndInfo)
2170 CmLList *firstNodeOfList = NULLP;
2171 CmLList *currentNodeInfo = NULLP;
2172 SchPageInfo *tempNode = NULLP, *recvdNode = NULLP;
2174 recvdNode = (SchPageInfo*) pageIndInfo;
2175 CM_LLIST_FIRST_NODE(storedPageList,firstNodeOfList);
2177 SCH_ALLOC(currentNodeInfo, sizeof(CmLList));
2178 if(!currentNodeInfo)
2180 DU_LOG("\nERROR --> SCH : schAddPagingIndtoList() : Memory allocation failed");
2184 currentNodeInfo->node = (PTR)pageIndInfo;
2185 while(firstNodeOfList)
2187 tempNode = (SchPageInfo*)(firstNodeOfList->node);
2188 if ((recvdNode->pageTxTime.slot < tempNode->pageTxTime.slot))
2190 cmLListInsCrnt(storedPageList, currentNodeInfo);
2193 else if ((recvdNode->pageTxTime.slot == tempNode->pageTxTime.slot))
2195 DU_LOG("\nERROR --> SCH : schAddPagingIndtoList() : Slot[%d] is already present in the list", recvdNode->pageTxTime.slot);
2200 CM_LLIST_NEXT_NODE(storedPageList, firstNodeOfList);
2204 if(!firstNodeOfList)
2206 cmLListAdd2Tail(storedPageList, currentNodeInfo);
2208 DU_LOG("\nDEBUG --> SCH : Paging information is stored successfully for PF:%d, Slot:%d",\
2209 recvdNode->pageTxTime.sfn, recvdNode->pageTxTime.slot);
2213 /****************************************************************************
2215 * @brief Process paging indication at SCH recevied form MAC
2219 * Function : SchProcPagingInd
2221 * Functionality: Process paging indication at SCH recevied form MAC
2223 * @params[in] Pst *pst, SchPageInd *pageInd
2227 *************************************************************************/
2228 uint8_t SchProcPagingInd(Pst *pst, SchPageInd *pageInd)
2230 uint8_t ret = RFAILED;
2231 uint16_t cellIdx = 0;
2232 Inst inst = pst->dstInst - SCH_INST_START;
2233 SchCellCb *cellCb = NULLP;
2234 SchPageInfo *pageInfo = NULLP;
2238 DU_LOG("\nDEBUG --> SCH : Received paging indication from MAC for cellId[%d]",\
2242 for(cellIdx = 0; cellIdx < MAX_NUM_CELL; cellIdx++)
2244 if((schCb[inst].cells[cellIdx]) && (schCb[inst].cells[cellIdx]->cellId == pageInd->cellId))
2246 cellCb = schCb[inst].cells[cellIdx];
2252 if(pageInd->i_s > cellCb->cellCfg.sib1SchCfg.pageCfg.numPO)
2254 DU_LOG("\nERROR --> SCH : SchProcPagingInd(): i_s should not be greater than number of paging occasion");
2258 SCH_ALLOC(pageInfo, sizeof(SchPageInfo));
2261 pageInfo->pf = pageInd->pf;
2262 pageInfo->i_s = pageInd->i_s;
2263 pageInfo->pageTxTime.cellId = pageInd->cellId;
2264 pageInfo->pageTxTime.sfn = (pageInd->pf + cellCb->pageCb.pagMonOcc[pageInd->i_s].frameOffset) % MAX_SFN;
2265 pageInfo->pageTxTime.slot = cellCb->pageCb.pagMonOcc[pageInd->i_s].pagingOccSlot;
2266 pageInfo->mcs = DEFAULT_MCS;
2267 pageInfo->msgLen = pageInd->pduLen;
2268 SCH_ALLOC(pageInfo->pagePdu, pageInfo->msgLen);
2269 if(!pageInfo->pagePdu)
2271 DU_LOG("\nERROR --> SCH : SchProcPagingInd(): Failed to allocate memory");
2275 memcpy(pageInfo->pagePdu, pageInd->pagePdu, pageInfo->msgLen);
2276 ret = schAddPagingIndtoList(&cellCb->pageCb.pageIndInfoRecord[pageInfo->pageTxTime.sfn], pageInfo);
2279 DU_LOG("\nERROR --> SCH : SchProcPagingInd(): Failed to store paging record");
2285 DU_LOG("\nERROR --> SCH : SchProcPagingInd(): Failed to allocate memory");
2291 DU_LOG("\nERROR --> SCH : Cell ID [%d] not found", pageInd->cellId);
2293 SCH_FREE(pageInd->pagePdu, pageInd->pduLen);
2294 SCH_FREE(pageInd, sizeof(SchPageInd));
2298 DU_LOG("\nERROR --> SCH : SchProcPagingInd(): Received null pointer");
2304 /***********************************************************
2306 * Func : SchFillCfmPst
2309 * Desc : Fills the Confirmation Post Structure cfmPst using the reqPst
2310 * and the cfm->hdr.response.
2317 * File : rg_sch_lmm.c
2319 **********************************************************/
2329 inst = (reqPst->dstInst - SCH_INST_START);
2331 cfmPst->srcEnt = ENTMAC;
2332 cfmPst->srcInst = (Inst) 1;
2333 cfmPst->srcProcId = schCb[inst].schInit.procId;
2334 cfmPst->dstEnt = ENTMAC;
2335 cfmPst->dstInst = (Inst) 0;
2336 cfmPst->dstProcId = reqPst->srcProcId;
2338 cfmPst->selector = cfm->hdr.response.selector;
2339 cfmPst->region = cfm->hdr.response.mem.region;
2340 cfmPst->pool = cfm->hdr.response.mem.pool;
2345 /**********************************************************************
2347 **********************************************************************/