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3 # Copyright (c) [2017-2019] [Radisys] #
5 # Licensed under the Apache License, Version 2.0 (the "License"); #
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17 *******************************************************************************/
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"
51 #include "sch_slice_based.h"
54 * @brief Task Initiation function.
58 * Function : schActvInit
60 * This function is supplied as one of parameters during MAC's
61 * task registration. MAC will invoke this function once, after
62 * it creates and attaches this TAPA Task to a system task.
64 * @param[in] Ent Entity, the entity ID of this task.
65 * @param[in] Inst Inst, the instance ID of this task.
66 * @param[in] Region Region, the region ID registered for memory
68 * @param[in] Reason Reason.
72 uint8_t schActvInit(Ent entity, Inst instId, Region region, Reason reason)
74 Inst inst = (instId - SCH_INST_START);
76 /* Initialize the MAC TskInit structure to zero */
77 memset ((uint8_t *)&schCb[inst], 0, sizeof(schCb));
79 /* Initialize the MAC TskInit with received values */
80 schCb[inst].schInit.ent = entity;
81 schCb[inst].schInit.inst = inst;
82 schCb[inst].schInit.region = region;
83 schCb[inst].schInit.pool = 0;
84 schCb[inst].schInit.reason = reason;
85 schCb[inst].schInit.cfgDone = FALSE;
86 schCb[inst].schInit.acnt = FALSE;
87 schCb[inst].schInit.usta = FALSE;
88 schCb[inst].schInit.trc = FALSE;
89 schCb[inst].schInit.procId = ODU_GET_PROCID();
95 * @brief Scheduler All Apis initialized.
99 * Function : schAllApisInit
101 * This function initializes all Scheduler APIs/functionality for each kind
104 * @param[in] Inst inst, the Scheduler instance
107 void schAllApisInit(Inst inst)
109 schFcfsAllApisInit(&schCb[inst].allApis[SCH_FCFS]);
110 schSliceBasedAllApisInit(&schCb[inst].allApis[SCH_SLICE_BASED]);
114 * @brief Scheduler instance Configuration Handler.
118 * Function : SchInstCfg
120 * This function in called by SchProcGenCfgReq(). It handles the
121 * general configurations of the scheduler instance. Returns
122 * reason for success/failure of this function.
124 * @param[in] RgCfg *cfg, the Configuaration information
126 * -# LCM_REASON_NOT_APPL
127 * -# LCM_REASON_INVALID_MSGTYPE
128 * -# LCM_REASON_MEM_NOAVAIL
130 uint8_t SchInstCfg(RgCfg *cfg, Inst dInst)
132 uint16_t ret = LCM_REASON_NOT_APPL;
133 Inst inst = (dInst - SCH_INST_START);
135 DU_LOG("\nDEBUG --> SCH : Entered SchInstCfg()");
136 /* Check if Instance Configuration is done already */
137 if (schCb[inst].schInit.cfgDone == TRUE)
139 return LCM_REASON_INVALID_MSGTYPE;
141 /* Update the Pst structure for LM interface */
142 memcpy(&schCb[inst].schInit.lmPst, &cfg->s.schInstCfg.genCfg.lmPst, sizeof(Pst));
144 schCb[inst].schInit.inst = inst;
145 schCb[inst].schInit.lmPst.srcProcId = schCb[inst].schInit.procId;
146 schCb[inst].schInit.lmPst.srcEnt = schCb[inst].schInit.ent;
147 schCb[inst].schInit.lmPst.srcInst = schCb[inst].schInit.inst +
149 schCb[inst].schInit.lmPst.event = EVTNONE;
151 schCb[inst].schInit.region = cfg->s.schInstCfg.genCfg.mem.region;
152 schCb[inst].schInit.pool = cfg->s.schInstCfg.genCfg.mem.pool;
153 schCb[inst].genCfg.tmrRes = cfg->s.schInstCfg.genCfg.tmrRes;
155 schCb[inst].genCfg.forceCntrlSrbBoOnPCel = cfg->s.schInstCfg.genCfg.forceCntrlSrbBoOnPCel;
156 schCb[inst].genCfg.isSCellActDeactAlgoEnable = cfg->s.schInstCfg.genCfg.isSCellActDeactAlgoEnable;
158 schCb[inst].genCfg.startCellId = cfg->s.schInstCfg.genCfg.startCellId;
160 /* Initialzie the timer queue */
161 memset(&schCb[inst].tmrTq, 0, sizeof(CmTqType) * SCH_TQ_SIZE);
162 /* Initialize the timer control point */
163 memset(&schCb[inst].tmrTqCp, 0, sizeof(CmTqCp));
164 schCb[inst].tmrTqCp.tmrLen = RGSCH_TQ_SIZE;
166 /* SS_MT_TMR needs to be enabled as schActvTmr needs instance information */
167 /* Timer Registration request to system services */
168 if (ODU_REG_TMR_MT(schCb[inst].schInit.ent, dInst, (int)schCb[inst].genCfg.tmrRes, schActvTmr) != ROK)
170 DU_LOG("\nERROR --> SCH : SchInstCfg(): Failed to "
172 return (LCM_REASON_MEM_NOAVAIL);
175 /* Set Config done in TskInit */
176 schCb[inst].schInit.cfgDone = TRUE;
177 DU_LOG("\nINFO --> SCH : Scheduler gen config done");
179 schAllApisInit(inst);
184 * @brief Layer Manager Configuration request handler.
188 * Function : SchProcGenCfgReq
190 * This function handles the configuration
191 * request received at scheduler instance from the Layer Manager.
192 * -# Based on the cfg->hdr.elmId.elmnt value it invokes one of the
193 * functions rgHdlGenCfg() or rgHdlSapCfg().
194 * -# Invokes RgMiLrgSchCfgCfm() to send back the confirmation to the LM.
196 * @param[in] Pst *pst, the post structure
197 * @param[in] RgMngmt *cfg, the configuration parameter's structure
201 uint8_t SchProcGenCfgReq(Pst *pst, RgMngmt *cfg)
203 uint8_t ret = LCM_PRIM_OK;
204 uint16_t reason = LCM_REASON_NOT_APPL;
208 if(pst->dstInst < SCH_INST_START)
210 DU_LOG("\nERROR --> SCH : Invalid inst ID");
211 DU_LOG("\nERROR --> SCH : SchProcGenCfgReq(): "
212 "pst->dstInst=%d SCH_INST_START=%d", pst->dstInst,SCH_INST_START);
215 DU_LOG("\nINFO --> SCH : Received scheduler gen config");
216 /* Fill the post structure for sending the confirmation */
217 memset(&cfmPst, 0 , sizeof(Pst));
218 SchFillCfmPst(pst, &cfmPst, cfg);
220 memset(&cfm, 0, sizeof(RgMngmt));
227 cfm.hdr.elmId.elmnt = cfg->hdr.elmId.elmnt;
228 switch(cfg->hdr.elmId.elmnt)
231 reason = SchInstCfg(&cfg->t.cfg,pst->dstInst );
235 reason = LCM_REASON_INVALID_ELMNT;
236 DU_LOG("\nERROR --> SCH : Invalid Elmnt=%d", cfg->hdr.elmId.elmnt);
240 if (reason != LCM_REASON_NOT_APPL)
245 cfm.cfm.status = ret;
246 cfm.cfm.reason = reason;
248 SchSendCfgCfm(&cfmPst, &cfm);
249 /* SCH_FREE(pst->region, pst->pool, (Data *)cfg, sizeof(RgMngmt)); */
252 }/*-- SchProcGenCfgReq --*/
256 *@brief Returns TDD periodicity in micro seconds
260 * Function : schGetPeriodicityInMsec
262 * This API retunrs TDD periodicity in micro seconds
264 * @param[in] DlUlTxPeriodicity
265 * @return periodicityInMsec
268 uint16_t schGetPeriodicityInMsec(DlUlTxPeriodicity tddPeriod)
270 uint16_t periodicityInMsec = 0;
273 case TX_PRDCTY_MS_0P5:
275 periodicityInMsec = 500;
278 case TX_PRDCTY_MS_0P625:
280 periodicityInMsec = 625;
285 periodicityInMsec = 1000;
288 case TX_PRDCTY_MS_1P25:
290 periodicityInMsec = 1250;
295 periodicityInMsec = 2000;
298 case TX_PRDCTY_MS_2P5:
300 periodicityInMsec = 2500;
305 periodicityInMsec = 5000;
308 case TX_PRDCTY_MS_10:
310 periodicityInMsec = 10000;
315 DU_LOG("\nERROR --> SCH : Invalid DlUlTxPeriodicity:%d", tddPeriod);
319 return periodicityInMsec;
323 *@brief Fills the slotCfg from CellCfg
327 * Function : schFillSlotConfig
329 * This API Fills the slotCfg from CellCfg
331 * @param[in] SchCellCb *cell, TDDCfg tddCfg
334 void schFillSlotConfig(SchCellCb *cell, TDDCfg tddCfg)
336 uint8_t slotIdx = 0, symbolIdx = 0;
338 for(slotIdx =0 ;slotIdx < MAX_TDD_PERIODICITY_SLOTS; slotIdx++)
340 for(symbolIdx = 0; symbolIdx < MAX_SYMB_PER_SLOT; symbolIdx++)
342 /*Fill Full-DL Slots as well as DL symbols ini 1st Flexi Slo*/
343 if(slotIdx < tddCfg.nrOfDlSlots || \
344 (slotIdx == tddCfg.nrOfDlSlots && symbolIdx < tddCfg.nrOfDlSymbols))
346 cell->slotCfg[slotIdx][symbolIdx] = DL_SYMBOL;
349 /*Fill Full-FLEXI SLOT and as well as Flexi Symbols in 1 slot preceding FULL-UL slot*/
350 else if(slotIdx < (MAX_TDD_PERIODICITY_SLOTS - tddCfg.nrOfUlSlots -1) || \
351 (slotIdx == (MAX_TDD_PERIODICITY_SLOTS - tddCfg.nrOfUlSlots -1) && \
352 symbolIdx < (MAX_SYMB_PER_SLOT - tddCfg.nrOfUlSymbols)))
354 cell->slotCfg[slotIdx][symbolIdx] = FLEXI_SYMBOL;
356 /*Fill Partial UL symbols and Full-UL slot*/
359 cell->slotCfg[slotIdx][symbolIdx] = UL_SYMBOL;
366 * @brief init TDD slot config
370 * Function : schInitTddSlotCfg
372 * This API is invoked after receiving schCellCfg
374 * @param[in] schCellCb *cell
375 * @param[in] SchCellCfg *schCellCfg
378 void schInitTddSlotCfg(SchCellCb *cell, SchCellCfg *schCellCfg)
380 uint16_t periodicityInMicroSec = 0;
381 int8_t slotIdx, symbIdx;
383 periodicityInMicroSec = schGetPeriodicityInMsec(schCellCfg->tddCfg.tddPeriod);
384 cell->numSlotsInPeriodicity = (periodicityInMicroSec * pow(2, cell->numerology))/1000;
385 cell->slotFrmtBitMap = 0;
386 schFillSlotConfig(cell, schCellCfg->tddCfg);
387 for(slotIdx = cell->numSlotsInPeriodicity-1; slotIdx >= 0; slotIdx--)
390 /* If the first and last symbol are the same, the entire slot is the same type */
391 if((cell->slotCfg[slotIdx][symbIdx] == cell->slotCfg[slotIdx][MAX_SYMB_PER_SLOT-1]) &&
392 cell->slotCfg[slotIdx][symbIdx] != FLEXI_SYMBOL)
394 switch(cell->slotCfg[slotIdx][symbIdx])
398 /*BitMap to be set to 00 */
399 cell->slotFrmtBitMap = (cell->slotFrmtBitMap<<2);
404 /*BitMap to be set to 01 */
405 cell->slotFrmtBitMap = ((cell->slotFrmtBitMap<<2) | (UL_SLOT));
409 DU_LOG("\nERROR --> SCH : Invalid slot Config in schInitTddSlotCfg");
413 /* slot config is flexible. First set slotBitMap to 10 */
414 cell->slotFrmtBitMap = ((cell->slotFrmtBitMap<<2) | (FLEXI_SLOT));
420 * @brief Fill SSB start symbol
424 * Function : fillSsbStartSymb
426 * This API stores SSB start index per beam
428 * @param[in] SchCellCb *cellCb
433 void fillSsbStartSymb(SchCellCb *cellCb)
435 uint8_t cnt, scs, symbIdx, ssbStartSymbArr[SCH_MAX_SSB_BEAM];
437 scs = cellCb->cellCfg.ssbScs;
439 memset(ssbStartSymbArr, 0, sizeof(SCH_MAX_SSB_BEAM));
441 /* Determine value of "n" based on Section 4.1 of 3GPP TS 38.213 */
446 if(cellCb->cellCfg.ssbFrequency <= 300000)
447 cnt = 2;/* n = 0, 1 */
449 cnt = 4; /* n = 0, 1, 2, 3 */
450 for(uint8_t idx=0; idx<cnt; idx++)
452 /* start symbol determined using {2, 8} + 14n */
453 ssbStartSymbArr[symbIdx++] = 2 + MAX_SYMB_PER_SLOT*idx;
454 ssbStartSymbArr[symbIdx++] = 8 + MAX_SYMB_PER_SLOT*idx;
460 if(cellCb->cellCfg.ssbFrequency <= 300000)
463 cnt = 2; /* n = 0, 1 */
464 for(uint8_t idx=0; idx<cnt; idx++)
466 /* start symbol determined using {4, 8, 16, 20} + 28n */
467 ssbStartSymbArr[symbIdx++] = 4 + MAX_SYMB_PER_SLOT*idx;
468 ssbStartSymbArr[symbIdx++] = 8 + MAX_SYMB_PER_SLOT*idx;
469 ssbStartSymbArr[symbIdx++] = 16 + MAX_SYMB_PER_SLOT*idx;
470 ssbStartSymbArr[symbIdx++] = 20 + MAX_SYMB_PER_SLOT*idx;
475 DU_LOG("\nERROR --> SCH : SCS %d is currently not supported", scs);
477 memset(cellCb->ssbStartSymbArr, 0, sizeof(SCH_MAX_SSB_BEAM));
478 memcpy(cellCb->ssbStartSymbArr, ssbStartSymbArr, SCH_MAX_SSB_BEAM);
483 * @brief init cellCb based on cellCfg
487 * Function : schInitCellCb
489 * This API is invoked after receiving schCellCfg
491 * @param[in] schCellCb *cell
492 * @param[in] SchCellCfg *schCellCfg
497 uint8_t schInitCellCb(Inst inst, SchCellCfg *schCellCfg)
499 uint16_t scsInKhz = 0;
500 SchCellCb *cell= NULLP;
501 SCH_ALLOC(cell, sizeof(SchCellCb));
504 DU_LOG("\nERROR --> SCH : Memory allocation failed in schInitCellCb");
508 cell->cellId = schCellCfg->cellId;
509 cell->instIdx = inst;
510 scsInKhz = convertScsEnumValToScsVal(schCellCfg->ssbScs);
512 /*Ref : 3GPP 38.211 Table 4.2-1: SCS = (2 ^ numerology * 15kHz)*/
513 cell->numerology = log2(scsInKhz/BASE_SCS);
514 switch(cell->numerology)
516 case SCH_NUMEROLOGY_0:
518 cell->numSlots = SCH_MU0_NUM_SLOTS;
521 case SCH_NUMEROLOGY_1:
523 cell->numSlots = SCH_MU1_NUM_SLOTS;
526 case SCH_NUMEROLOGY_2:
528 cell->numSlots = SCH_MU2_NUM_SLOTS;
531 case SCH_NUMEROLOGY_3:
533 cell->numSlots = SCH_MU3_NUM_SLOTS;
536 case SCH_NUMEROLOGY_4:
538 cell->numSlots = SCH_MU4_NUM_SLOTS;
542 DU_LOG("\nERROR --> SCH : Numerology %d not supported", cell->numerology);
545 schInitTddSlotCfg(cell, schCellCfg);
548 SCH_ALLOC(cell->schDlSlotInfo, cell->numSlots * sizeof(SchDlSlotInfo*));
549 if(!cell->schDlSlotInfo)
551 DU_LOG("\nERROR --> SCH : Memory allocation failed in schInitCellCb for schDlSlotInfo");
555 SCH_ALLOC(cell->schUlSlotInfo, cell->numSlots * sizeof(SchUlSlotInfo*));
556 if(!cell->schUlSlotInfo)
558 DU_LOG("\nERROR --> SCH : Memory allocation failed in schInitCellCb for schUlSlotInfo");
562 for(uint8_t idx=0; idx<cell->numSlots; idx++)
564 SchDlSlotInfo *schDlSlotInfo;
565 SchUlSlotInfo *schUlSlotInfo;
568 SCH_ALLOC(schDlSlotInfo, sizeof(SchDlSlotInfo));
571 DU_LOG("\nERROR --> SCH : Memory allocation failed in schInitCellCb");
576 SCH_ALLOC(schUlSlotInfo, sizeof(SchUlSlotInfo));
579 DU_LOG("\nERROR --> SCH : Memory allocation failed in schInitCellCb");
583 schInitDlSlot(schDlSlotInfo);
584 schInitUlSlot(schUlSlotInfo);
586 cell->schDlSlotInfo[idx] = schDlSlotInfo;
587 cell->schUlSlotInfo[idx] = schUlSlotInfo;
590 cell->firstSsbTransmitted = false;
591 cell->firstSib1Transmitted = false;
592 fillSsbStartSymb(cell);
595 memset(cell->drxCb, 0, MAX_DRX_SIZE*sizeof(SchDrxCb));
597 schCb[inst].cells[inst] = cell;
599 DU_LOG("\nINFO --> SCH : Cell init completed for cellId:%d", cell->cellId);
605 * @brief Fill SIB1 configuration
609 * Function : fillSchSib1Cfg
611 * Fill SIB1 configuration
613 * @param[in] uint8_t bandwidth : total available bandwidth
614 * uint8_t numSlots : total slots per SFN
615 * SchSib1Cfg *sib1SchCfg : cfg to be filled
616 * uint16_t pci : physical cell Id
617 * uint8_t offsetPointA : offset
620 uint8_t fillSchSib1Cfg(uint8_t mu, uint8_t bandwidth, uint8_t numSlots,SchPdcchConfigSib1 *pdcchCfgSib1,\
621 SchSib1Cfg *sib1SchCfg, uint16_t pci, uint8_t offsetPointA, uint16_t sib1PduLen)
623 uint8_t coreset0Idx = 0;
624 uint8_t searchSpace0Idx = 0;
625 //uint8_t ssbMuxPattern = 0;
627 uint8_t numSymbols = 0;
630 //uint8_t numSearchSpacePerSlot = 0;
632 uint8_t firstSymbol = 0; /* need to calculate using formula mentioned in 38.213 */
633 uint8_t slotIndex = 0;
634 uint8_t FreqDomainResource[FREQ_DOM_RSRC_SIZE] = {0};
641 pdcch = &(sib1SchCfg->sib1PdcchCfg);
642 bwp = &(sib1SchCfg->bwp);
644 coreset0Idx = pdcchCfgSib1->coresetZeroIndex;
645 searchSpace0Idx = pdcchCfgSib1->searchSpaceZeroIndex;
647 /* derive the sib1 coreset0 params from table 13-1 spec 38.213 */
648 //ssbMuxPattern = coresetIdxTable[coreset0Idx][0];
649 numRbs = coresetIdxTable[coreset0Idx][1];
650 numSymbols = coresetIdxTable[coreset0Idx][2];
651 offset = coresetIdxTable[coreset0Idx][3];
653 /* derive the search space params from table 13-11 spec 38.213 */
654 oValue = searchSpaceIdxTable[searchSpace0Idx][0];
655 //numSearchSpacePerSlot = searchSpaceIdxTable[searchSpace0Idx][1];
656 mValue = searchSpaceIdxTable[searchSpace0Idx][2];
657 firstSymbol = searchSpaceIdxTable[searchSpace0Idx][3];
659 /* calculate the n0, need to add the formulae, as of now the value is 0
660 * Need to add the even and odd values of i during configuration
661 * [(O . 2^u + i . M ) ] mod numSlotsPerSubframe
662 * assuming u = 0, i = 0, numSlotsPerSubframe = 10
663 * Also, from this configuration, coreset0 is only on even subframe */
664 slotIndex = (int)((oValue*pow(2, mu)) + floor(ssbIdx*mValue))%numSlots;
665 sib1SchCfg->n0 = slotIndex;
670 case BANDWIDTH_20MHZ:
672 bwp->freqAlloc.numPrb = TOTAL_PRB_20MHZ_MU0;
675 case BANDWIDTH_100MHZ:
677 bwp->freqAlloc.numPrb = TOTAL_PRB_100MHZ_MU1;
681 DU_LOG("\nERROR --> SCH : Bandwidth %d not supported", bandwidth);
684 bwp->freqAlloc.startPrb = 0;
685 bwp->subcarrierSpacing = 0; /* 15Khz */
686 bwp->cyclicPrefix = 0; /* normal */
688 /* fill the PDCCH PDU */
689 pdcch->coresetCfg.coreSetSize = numRbs;
690 pdcch->coresetCfg.startSymbolIndex = firstSymbol;
691 pdcch->coresetCfg.durationSymbols = numSymbols;
693 /* Fill Bitmap for PRBs in coreset */
694 fillCoresetFeqDomAllocMap(((offsetPointA-offset)/6), (numRbs/6), FreqDomainResource);
695 covertFreqDomRsrcMapToIAPIFormat(FreqDomainResource, pdcch->coresetCfg.freqDomainResource);
697 pdcch->coresetCfg.cceRegMappingType = 1; /* coreset0 is always interleaved */
698 pdcch->coresetCfg.regBundleSize = 6; /* spec-38.211 sec 7.3.2.2 */
699 pdcch->coresetCfg.interleaverSize = 2; /* spec-38.211 sec 7.3.2.2 */
700 pdcch->coresetCfg.coreSetType = 0;
701 pdcch->coresetCfg.shiftIndex = pci;
702 pdcch->coresetCfg.precoderGranularity = 0; /* sameAsRegBundle */
704 pdcch->dci.rnti = SI_RNTI;
705 pdcch->dci.scramblingId = pci;
706 pdcch->dci.scramblingRnti = 0;
707 pdcch->dci.cceIndex = 0;
708 pdcch->dci.aggregLevel = 4;
709 pdcch->dci.beamPdcchInfo.numPrgs = 1;
710 pdcch->dci.beamPdcchInfo.prgSize = 1;
711 pdcch->dci.beamPdcchInfo.digBfInterfaces = 0;
712 pdcch->dci.beamPdcchInfo.prg[0].pmIdx = 0;
713 pdcch->dci.beamPdcchInfo.prg[0].beamIdx[0] = 0;
714 pdcch->dci.txPdcchPower.beta_pdcch_1_0= 0;
715 pdcch->dci.txPdcchPower.powerControlOffsetSS = 0;
716 /* Storing pdschCfg pointer here. Required to access pdsch config while
717 fillig up pdcch pdu */
718 pdsch = &pdcch->dci.pdschCfg;
720 /* fill the PDSCH PDU */
722 pdsch->pduBitmap = 0; /* PTRS and CBG params are excluded */
723 pdsch->rnti = 0xFFFF; /* SI-RNTI */
725 pdsch->numCodewords = 1;
726 for(cwCount = 0; cwCount < pdsch->numCodewords; cwCount++)
728 pdsch->codeword[cwCount].targetCodeRate = 308;
729 pdsch->codeword[cwCount].qamModOrder = 2;
730 pdsch->codeword[cwCount].mcsIndex = DEFAULT_MCS;
731 pdsch->codeword[cwCount].mcsTable = 0; /* notqam256 */
732 pdsch->codeword[cwCount].rvIndex = 0;
733 tbSize = schCalcTbSize(sib1PduLen + TX_PAYLOAD_HDR_LEN);
734 pdsch->codeword[cwCount].tbSize = tbSize;
736 pdsch->dataScramblingId = pci;
737 pdsch->numLayers = 1;
738 pdsch->transmissionScheme = 0;
740 pdsch->dmrs.dlDmrsSymbPos = DL_DMRS_SYMBOL_POS;
741 pdsch->dmrs.dmrsConfigType = 0; /* type-1 */
742 pdsch->dmrs.dlDmrsScramblingId = pci;
743 pdsch->dmrs.scid = 0;
744 pdsch->dmrs.numDmrsCdmGrpsNoData = 1;
745 pdsch->dmrs.dmrsPorts = 0x0001;
746 pdsch->dmrs.mappingType = DMRS_MAP_TYPE_A; /* Type-A */
747 pdsch->dmrs.nrOfDmrsSymbols = NUM_DMRS_SYMBOLS;
748 pdsch->dmrs.dmrsAddPos = DMRS_ADDITIONAL_POS;
750 pdsch->pdschFreqAlloc.resourceAllocType = 1; /* RAT type-1 RIV format */
751 /* the RB numbering starts from coreset0, and PDSCH is always above SSB */
752 pdsch->pdschFreqAlloc.startPrb = offsetPointA + SCH_SSB_NUM_PRB;
753 pdsch->pdschFreqAlloc.numPrb = schCalcNumPrb(tbSize, DEFAULT_MCS, NUM_PDSCH_SYMBOL);
754 pdsch->pdschFreqAlloc.vrbPrbMapping = 0; /* non-interleaved */
755 pdsch->pdschTimeAlloc.rowIndex = 1;
756 /* This is Intel's requirement. PDSCH should start after PDSCH DRMS symbol */
757 pdsch->pdschTimeAlloc.startSymb = 3; /* spec-38.214, Table 5.1.2.1-1 */
758 pdsch->pdschTimeAlloc.numSymb = NUM_PDSCH_SYMBOL;
759 pdsch->beamPdschInfo.numPrgs = 1;
760 pdsch->beamPdschInfo.prgSize = 1;
761 pdsch->beamPdschInfo.digBfInterfaces = 0;
762 pdsch->beamPdschInfo.prg[0].pmIdx = 0;
763 pdsch->beamPdschInfo.prg[0].beamIdx[0] = 0;
764 pdsch->txPdschPower.powerControlOffset = 0;
765 pdsch->txPdschPower.powerControlOffsetSS = 0;
771 * @brief cell config from MAC to SCH.
775 * Function : macSchCellCfgReq
777 * This API is invoked by MAC to send cell config to SCH
779 * @param[in] Pst *pst
780 * @param[in] SchCellCfg *schCellCfg
785 uint8_t SchProcCellCfgReq(Pst *pst, SchCellCfg *schCellCfg)
789 SchCellCfgCfm schCellCfgCfm;
791 Inst inst = pst->dstInst - SCH_INST_START;
792 uint8_t coreset0Idx = 0;
795 uint8_t freqDomainResource[FREQ_DOM_RSRC_SIZE] = {0};
796 SchPdschConfig pdschCfg;
798 schInitCellCb(inst, schCellCfg);
799 cellCb = schCb[inst].cells[inst]; //cells is of MAX_CELLS, why inst
800 cellCb->macInst = pst->srcInst;
802 /* derive the SIB1 config parameters */
803 ret = fillSchSib1Cfg(cellCb->numerology, schCellCfg->dlBandwidth, cellCb->numSlots,
804 &(schCellCfg->pdcchCfgSib1), &(cellCb->sib1SchCfg), schCellCfg->phyCellId,
805 schCellCfg->dlCfgCommon.schFreqInfoDlSib.offsetToPointA, schCellCfg->sib1PduLen);
809 DU_LOG("\nERROR --> SCH : Failed to fill sib1 configuration");
812 memcpy(&cellCb->cellCfg, schCellCfg, sizeof(SchCellCfg));
813 schProcPagingCfg(cellCb);
815 /* Fill coreset frequencyDomainResource bitmap */
816 coreset0Idx = cellCb->cellCfg.dlCfgCommon.schInitialDlBwp.pdcchCommon.commonSearchSpace.coresetId;
817 numRbs = coresetIdxTable[coreset0Idx][1];
818 offset = coresetIdxTable[coreset0Idx][3];
819 fillCoresetFeqDomAllocMap(((cellCb->cellCfg.dlCfgCommon.schFreqInfoDlSib.offsetToPointA - offset)/6), \
820 (numRbs/6), freqDomainResource);
821 covertFreqDomRsrcMapToIAPIFormat(freqDomainResource, \
822 cellCb->cellCfg.dlCfgCommon.schInitialDlBwp.pdcchCommon.commonSearchSpace.freqDomainRsrc);
824 /* Fill K0 - K1 table for common cfg*/
825 BuildK0K1Table(cellCb, &cellCb->k0K1InfoTbl, true, cellCb->cellCfg.dlCfgCommon.schInitialDlBwp.pdschCommon,
826 pdschCfg, DEFAULT_UL_ACK_LIST_COUNT, defaultUlAckTbl);
828 BuildK2InfoTable(cellCb, cellCb->cellCfg.ulCfgCommon.schInitialUlBwp.puschCommon.timeDomRsrcAllocList,\
829 cellCb->cellCfg.ulCfgCommon.schInitialUlBwp.puschCommon.numTimeDomRsrcAlloc, &cellCb->msg3K2InfoTbl, \
832 /*As per Spec 38.211, Sec 6.3.3.2; RootSeq Len(Lra) where Lra=839 or Lra=139,
833 *depending on the PRACH preamble format as given by Tables 6.3.3.1-1 and 6.3.3.1-2.*/
834 if(prachCfgIdxTable[cellCb->cellCfg.ulCfgCommon.schInitialUlBwp.schRachCfg.prachCfgGeneric.prachCfgIdx][0] <= 3)
836 cellCb->cellCfg.ulCfgCommon.schInitialUlBwp.schRachCfg.rootSeqLen = ROOT_SEQ_LEN_1;
840 cellCb->cellCfg.ulCfgCommon.schInitialUlBwp.schRachCfg.rootSeqLen = ROOT_SEQ_LEN_2;
842 /* Initializing global variables */
843 cellCb->actvUeBitMap = 0;
844 cellCb->boIndBitMap = 0;
846 cellCb->schHqCfg.maxDlDataHqTx = SCH_MAX_NUM_DL_HQ_TX;
847 cellCb->schHqCfg.maxMsg4HqTx = SCH_MAX_NUM_MSG4_TX;
848 cellCb->schHqCfg.maxUlDataHqTx = SCH_MAX_NUM_UL_HQ_TX;
849 cellCb->maxMsg3Tx = SCH_MAX_NUM_MSG3_TX;
851 cellCb->schAlgoType = SCH_FCFS;
852 cellCb->api = &schCb[inst].allApis[cellCb->schAlgoType]; /* For FCFS */
853 cellCb->api->SchCellCfgReq(cellCb);
855 /* Fill and send Cell config confirm */
856 memset(&rspPst, 0, sizeof(Pst));
857 FILL_PST_SCH_TO_MAC(rspPst, pst->dstInst);
858 rspPst.event = EVENT_SCH_CELL_CFG_CFM;
860 schCellCfgCfm.cellId = schCellCfg->cellId;
861 schCellCfgCfm.rsp = RSP_OK;
863 ret = MacMessageRouter(&rspPst, (void *)&schCellCfgCfm);
868 /*******************************************************************
870 * @brief Fill and send Cell delete response to MAC
874 * Function : SchSendCellDeleteRspToMac
876 * Functionality: Fill and send Cell delete response to MAC
878 * @params[in] SchCellDelete *ueDelete, Inst inst, SchMacRsp result
879 * @return ROK - success
882 * ****************************************************************/
883 uint8_t SchSendCellDeleteRspToMac(SchCellDeleteReq *ueDelete, Inst inst, SchMacRsp result)
888 SchCellDeleteRsp delRsp;
890 DU_LOG("\nINFO --> SCH : Filling Cell Delete response");
891 memset(&delRsp, 0, sizeof(SchCellDeleteRsp));
892 delRsp.cellId = ueDelete->cellId;
895 /* Filling response post */
896 memset(&rspPst, 0, sizeof(Pst));
897 FILL_PST_SCH_TO_MAC(rspPst, inst);
898 rspPst.event = EVENT_CELL_DELETE_RSP_TO_MAC;
899 ret = MacMessageRouter(&rspPst, (void *)&delRsp);
902 DU_LOG("\nERROR --> SCH : SchSendCellDeleteRspToMac(): failed to send the Cell Delete response");
908 /*******************************************************************
910 * @brief Function for cellCb Deletion
914 * Function : deleteSchCellCb
916 * Functionality: Function for cellCb Deletion
918 * @params[in] SchCellDelete *cellDelete
919 * @return ROK - success
922 * ****************************************************************/
923 void deleteSchCellCb(SchCellCb *cellCb)
925 uint8_t sliceIdx=0, slotIdx=0, plmnIdx = 0;
926 CmLListCp *list=NULL;
927 CmLList *node=NULL, *next=NULL;
928 SchPageInfo *tempNode = NULLP;
930 if(cellCb->schDlSlotInfo)
932 for(slotIdx=0; slotIdx<cellCb->numSlots; slotIdx++)
934 list = &cellCb->schDlSlotInfo[slotIdx]->prbAlloc.freePrbBlockList;
939 SCH_FREE(node->node, sizeof(FreePrbBlock));
940 deleteNodeFromLList(list, node);
943 SCH_FREE(cellCb->schDlSlotInfo[slotIdx], sizeof(SchDlSlotInfo));
945 SCH_FREE(cellCb->schDlSlotInfo, cellCb->numSlots *sizeof(SchDlSlotInfo*));
948 if(cellCb->schUlSlotInfo)
950 for(slotIdx=0; slotIdx<cellCb->numSlots; slotIdx++)
952 list = &cellCb->schUlSlotInfo[slotIdx]->prbAlloc.freePrbBlockList;
957 SCH_FREE(node->node, sizeof(FreePrbBlock));
958 deleteNodeFromLList(list, node);
961 SCH_FREE(cellCb->schUlSlotInfo[slotIdx], sizeof(SchUlSlotInfo));
963 SCH_FREE(cellCb->schUlSlotInfo, cellCb->numSlots * sizeof(SchUlSlotInfo*));
966 for(plmnIdx = 0; plmnIdx < MAX_PLMN; plmnIdx++)
968 if(cellCb->cellCfg.plmnInfoList[plmnIdx].snssai)
970 for(sliceIdx=0; sliceIdx<cellCb->cellCfg.plmnInfoList[plmnIdx].numSliceSupport; sliceIdx++)
972 SCH_FREE(cellCb->cellCfg.plmnInfoList[plmnIdx].snssai[sliceIdx], sizeof(Snssai));
974 SCH_FREE(cellCb->cellCfg.plmnInfoList[plmnIdx].snssai, cellCb->cellCfg.plmnInfoList[plmnIdx].numSliceSupport*sizeof(Snssai*));
978 for(uint16_t idx =0; idx<MAX_SFN; idx++)
980 list = &cellCb->pageCb.pageIndInfoRecord[idx];
987 tempNode = (SchPageInfo*)(node->node);
988 SCH_FREE(tempNode->pagePdu, tempNode->msgLen);
989 SCH_FREE(node->node, sizeof(SchPageInfo));
991 deleteNodeFromLList(list, node);
996 cellCb->api->SchCellDeleteReq(cellCb);
998 memset(cellCb, 0, sizeof(SchCellCb));
1001 /*******************************************************************
1003 * @brief Function for cell Delete request from MAC to SCH
1007 * Function : SchProcCellDeleteReq
1009 * Functionality: Function for cell Delete request from MAC to SCH
1011 * @params[in] Pst *pst, SchCellDelete *cellDelete
1012 * @return ROK - success
1015 * ****************************************************************/
1016 uint8_t SchProcCellDeleteReq(Pst *pst, SchCellDeleteReq *cellDelete)
1018 uint8_t cellIdx=0, ret = RFAILED;
1019 Inst inst = pst->dstInst - SCH_INST_START;
1020 SchMacRsp result= RSP_OK;
1024 DU_LOG("\nERROR --> SCH : SchProcCellDeleteReq(): Ue Delete request failed");
1028 GET_CELL_IDX(cellDelete->cellId, cellIdx);
1029 if(schCb[inst].cells[cellIdx] == NULLP)
1031 DU_LOG("\nERROR --> SCH : SchProcCellDeleteReq(): cell Id[%d] is not available", cellDelete->cellId);
1036 if(schCb[inst].cells[cellIdx]->cellId == cellDelete->cellId)
1038 deleteSchCellCb(schCb[inst].cells[cellIdx]);
1041 SCH_FREE(schCb[inst].cells[cellIdx], sizeof(SchCellCb));
1042 DU_LOG("\nINFO --> SCH : Sending Cell Delete response to MAC");
1046 DU_LOG("\nERROR --> SCH : SchProcCellDeleteReq(): cell Id[%d] is not available",cellDelete->cellId);
1051 if(SchSendCellDeleteRspToMac(cellDelete, inst, result)!=ROK)
1053 DU_LOG("\nERROR --> SCH : SchProcCellDeleteReq(): failed to send Cell Delete response");
1060 /*******************************************************************
1062 * @brief Processes DL RLC BO info from MAC
1066 * Function : SchProcDlRlcBoInfo
1069 * Processes DL RLC BO info from MAC
1072 * @return ROK - success
1075 * ****************************************************************/
1076 uint8_t SchProcDlRlcBoInfo(Pst *pst, DlRlcBoInfo *dlBoInfo)
1080 bool isLcIdValid = false;
1081 SchUeCb *ueCb = NULLP;
1082 SchCellCb *cell = NULLP;
1083 Inst inst = pst->dstInst-SCH_INST_START;
1085 DU_LOG("\nDEBUG --> SCH : Received RLC BO Status indication LCId [%d] BO [%d]", dlBoInfo->lcId, dlBoInfo->dataVolume);
1086 cell = schCb[inst].cells[inst];
1090 DU_LOG("\nERROR --> SCH : SchProcDlRlcBoInfo(): Cell does not exists");
1094 GET_UE_ID(dlBoInfo->crnti, ueId);
1095 ueCb = &cell->ueCb[ueId-1];
1096 if(ueCb->ueCfg.dataTransmissionAction == STOP_DATA_TRANSMISSION)
1098 DU_LOG("INFO --> SCH : DL Data transmission not allowed for UE %d", ueCb->ueCfg.ueId);
1102 lcId = dlBoInfo->lcId;
1103 CHECK_LCID(lcId, isLcIdValid);
1104 if(isLcIdValid == FALSE)
1106 DU_LOG("ERROR --> SCH: LCID:%d is not valid", lcId);
1110 /*Expected when theres a case of Retransmission Failure or Resetablishment
1111 *By Zero BO, the RLC is informing that previous data can be cleared out
1112 *Thus clearing out the LC from the Lc priority list*/
1113 if(dlBoInfo->dataVolume == 0)
1115 /* TODO : Check the LC is Dedicated or default and accordingly LCList
1120 if(lcId == SRB0_LCID)
1122 cell->raCb[ueId -1].msg4recvd = true;
1123 cell->raCb[ueId -1].dlMsgPduLen = dlBoInfo->dataVolume;
1127 /* TODO : These part of changes will be corrected during DL scheduling as
1128 * per K0 - K1 -K2 */
1129 SET_ONE_BIT(ueId, cell->boIndBitMap);
1130 if(ueCb->dlInfo.dlLcCtxt[lcId].lcId == lcId)
1132 ueCb->dlInfo.dlLcCtxt[lcId].bo = dlBoInfo->dataVolume;
1136 DU_LOG("ERROR --> SCH: LCID:%d is not configured in SCH Cb",lcId);
1140 /* Adding UE Id to list of pending UEs to be scheduled */
1141 cell->api->SchDlRlcBoInfo(cell, ueId);
1145 /*******************************************************************
1147 * @brief Processes BSR indiation from MAC
1151 * Function : SchProcBsr
1154 * Processes DL BSR from MAC
1156 * @params[in] Pst pst
1157 * UlBufferStatusRptInd bsrInd
1158 * @return ROK - success
1161 * ****************************************************************/
1162 uint8_t SchProcBsr(Pst *pst, UlBufferStatusRptInd *bsrInd)
1164 Inst schInst = pst->dstInst-SCH_INST_START;
1165 SchCellCb *cellCb = NULLP;
1166 SchUeCb *ueCb = NULLP;
1169 DU_LOG("\nDEBUG --> SCH : Received BSR");
1172 DU_LOG("\nERROR --> SCH : BSR Ind is empty");
1175 cellCb = schCb[schInst].cells[schInst];
1178 DU_LOG("\nERROR --> SCH : CellCb is empty");
1181 ueCb = schGetUeCb(cellCb, bsrInd->crnti);
1185 DU_LOG("\nERROR --> SCH : UeCB is empty");
1189 if(ueCb->ueCfg.dataTransmissionAction == STOP_DATA_TRANSMISSION)
1191 DU_LOG("\nINFO --> SCH: UL Data transmission not allowed for UE %d", ueCb->ueCfg.ueId);
1195 ueCb->bsrRcvd = true;
1196 /* store dataVolume per lcg in uecb */
1197 for(lcgIdx = 0; lcgIdx < bsrInd->numLcg; lcgIdx++)
1199 ueCb->bsrInfo[bsrInd->dataVolInfo[lcgIdx].lcgId].priority = 1; //TODO: determining LCG priority?
1200 ueCb->bsrInfo[bsrInd->dataVolInfo[lcgIdx].lcgId].dataVol = bsrInd->dataVolInfo[lcgIdx].dataVol;
1203 /* Adding UE Id to list of pending UEs to be scheduled */
1204 cellCb->api->SchBsr(cellCb, ueCb->ueId);
1208 /*******************************************************************
1210 * @brief Processes SR UCI indication from MAC
1214 * Function : SchProcSrUciInd
1217 * Processes SR UCI indication from MAC
1219 * @params[in] Post structure
1221 * @return ROK - success
1224 * ****************************************************************/
1225 uint8_t SchProcSrUciInd(Pst *pst, SrUciIndInfo *uciInd)
1227 Inst inst = pst->dstInst-SCH_INST_START;
1230 SchCellCb *cellCb = schCb[inst].cells[inst];
1232 DU_LOG("\nDEBUG --> SCH : Received SR");
1234 ueCb = schGetUeCb(cellCb, uciInd->crnti);
1236 if(ueCb->state == SCH_UE_STATE_INACTIVE)
1238 DU_LOG("\nERROR --> SCH : Crnti %d is inactive", uciInd->crnti);
1241 if(ueCb->ueCfg.dataTransmissionAction == STOP_DATA_TRANSMISSION)
1243 DU_LOG("\nINFO --> SCH: UL Data transmission not allowed for UE %d", ueCb->ueCfg.ueId);
1246 if(uciInd->numSrBits)
1248 ueCb->srRcvd = true;
1249 /* Adding UE Id to list of pending UEs to be scheduled */
1250 cellCb->api->SchSrUciInd(cellCb, ueCb->ueId);
1255 /*******************************************************************
1257 * @brief Processes DL HARQ indication from MAC
1261 * Function : SchProcDlHarqInd
1264 * Processes DL HARQ indication from MAC
1266 * @params[in] Post structure
1267 * DL HARQ Indication
1268 * @return ROK - success
1271 * ****************************************************************/
1272 uint8_t SchProcDlHarqInd(Pst *pst, DlHarqInd *dlHarqInd)
1274 Inst inst = pst->dstInst-SCH_INST_START;
1276 SchCellCb *cellCb = schCb[inst].cells[inst];
1278 DU_LOG("\nDEBUG --> SCH : Received HARQ");
1280 ueCb = schGetUeCb(cellCb, dlHarqInd->crnti);
1282 if(ueCb->state == SCH_UE_STATE_INACTIVE)
1284 DU_LOG("\nERROR --> SCH : Crnti %d is inactive", dlHarqInd->crnti);
1288 schUpdateHarqFdbk(ueCb, dlHarqInd->numHarq, dlHarqInd->harqPayload, &dlHarqInd->slotInd);
1293 /*******************************************************************
1295 * @brief Allocates requested PRBs for DL
1299 * Function : allocatePrbDl
1302 * Allocates requested PRBs in DL
1303 * Keeps track of allocated PRB (using bitmap) and remaining PRBs
1305 * @params[in] prbAlloc table
1311 * @return ROK - success
1314 * ****************************************************************/
1315 uint8_t allocatePrbDl(SchCellCb *cell, SlotTimingInfo slotTime, \
1316 uint8_t startSymbol, uint8_t symbolLength, uint16_t *startPrb, uint16_t numPrb)
1319 uint16_t broadcastPrbStart=0, broadcastPrbEnd=0;
1320 FreePrbBlock *freePrbBlock = NULLP;
1321 CmLList *freePrbNode = NULLP;
1322 PduTxOccsaion ssbOccasion=0, sib1Occasion=0;
1323 SchDlSlotInfo *schDlSlotInfo = cell->schDlSlotInfo[slotTime.slot];
1324 SchPrbAlloc *prbAlloc = &schDlSlotInfo->prbAlloc;
1326 /* If startPrb is set to MAX_NUM_RB, it means startPrb is not known currently.
1327 * Search for an appropriate location in PRB grid and allocate requested resources */
1328 if(*startPrb == MAX_NUM_RB)
1330 /* Check if SSB/SIB1 is also scheduled in this slot */
1331 ssbOccasion = schCheckSsbOcc(cell, slotTime);
1332 sib1Occasion = schCheckSib1Occ(cell, slotTime);
1334 if(ssbOccasion && sib1Occasion)
1336 broadcastPrbStart = cell->cellCfg.dlCfgCommon.schFreqInfoDlSib.offsetToPointA;
1337 broadcastPrbEnd = broadcastPrbStart + SCH_SSB_NUM_PRB + cell->sib1SchCfg.sib1PdcchCfg.dci.pdschCfg.pdschFreqAlloc.numPrb -1;
1339 else if(ssbOccasion)
1341 broadcastPrbStart = cell->cellCfg.dlCfgCommon.schFreqInfoDlSib.offsetToPointA;
1342 broadcastPrbEnd = broadcastPrbStart + SCH_SSB_NUM_PRB -1;
1344 else if(sib1Occasion)
1346 broadcastPrbStart = cell->sib1SchCfg.sib1PdcchCfg.dci.pdschCfg.pdschFreqAlloc.startPrb;
1347 broadcastPrbEnd = broadcastPrbStart + cell->sib1SchCfg.sib1PdcchCfg.dci.pdschCfg.pdschFreqAlloc.numPrb -1;
1350 /* Iterate through all free PRB blocks */
1351 freePrbNode = prbAlloc->freePrbBlockList.first;
1354 freePrbBlock = (FreePrbBlock *)freePrbNode->node;
1356 /* If broadcast message is scheduled in this slot, then check if its PRBs belong to the current free block.
1357 * Since SSB/SIB1 PRB location is fixed, these PRBs cannot be allocated to other message in same slot */
1358 if((ssbOccasion || sib1Occasion) &&
1359 ((broadcastPrbStart >= freePrbBlock->startPrb) && (broadcastPrbStart <= freePrbBlock->endPrb)) && \
1360 ((broadcastPrbEnd >= freePrbBlock->startPrb) && (broadcastPrbEnd <= freePrbBlock->endPrb)))
1362 /* Implmentation is done such that highest-numbered free-RB is allocated first */
1363 if((freePrbBlock->endPrb > broadcastPrbEnd) && ((freePrbBlock->endPrb - broadcastPrbEnd) >= numPrb))
1365 /* If sufficient free PRBs are available above bradcast message then,
1366 * endPrb = freePrbBlock->endPrb
1367 * startPrb = endPrb - numPrb +1;
1369 *startPrb = freePrbBlock->endPrb - numPrb +1;
1372 else if((broadcastPrbStart > freePrbBlock->startPrb) && ((broadcastPrbStart - freePrbBlock->startPrb) >= numPrb))
1374 /* If free PRBs are available below broadcast message then,
1375 * endPrb = broadcastPrbStart - 1
1376 * startPrb = endPrb - numPrb +1
1378 *startPrb = broadcastPrbStart - numPrb;
1383 freePrbNode = freePrbNode->next;
1389 /* Check if requested number of blocks can be allocated from the current block */
1390 if (freePrbBlock->numFreePrb < numPrb)
1392 freePrbNode = freePrbNode->next;
1395 *startPrb = freePrbBlock->endPrb - numPrb +1;
1400 /* If no free block can be used to allocated request number of RBs */
1401 if(*startPrb == MAX_NUM_RB)
1405 /* If startPrb is known already, check if requested PRBs are available for allocation */
1408 freePrbNode = isPrbAvailable(&prbAlloc->freePrbBlockList, *startPrb, numPrb);
1411 DU_LOG("\nERROR --> SCH: Requested DL PRB unavailable");
1416 /* Update bitmap to allocate PRBs */
1417 for(symbol=startSymbol; symbol < (startSymbol+symbolLength); symbol++)
1419 if(fillPrbBitmap(prbAlloc->prbBitMap[symbol], *startPrb, numPrb) != ROK)
1421 DU_LOG("\nERROR --> SCH: fillPrbBitmap() failed for symbol [%d] in DL", symbol);
1426 /* Update the remaining number for free PRBs */
1427 removeAllocatedPrbFromFreePrbList(&prbAlloc->freePrbBlockList, freePrbNode, *startPrb, numPrb);
1432 /*******************************************************************
1434 * @brief Allocates requested PRBs for UL
1438 * Function : allocatePrbUl
1441 * Allocates requested PRBs in UL
1442 * Keeps track of allocated PRB (using bitmap) and remaining PRBs
1444 * @params[in] prbAlloc table
1450 * @return ROK - success
1453 * ****************************************************************/
1454 uint8_t allocatePrbUl(SchCellCb *cell, SlotTimingInfo slotTime, \
1455 uint8_t startSymbol, uint8_t symbolLength, uint16_t *startPrb, uint16_t numPrb)
1458 uint16_t prachStartPrb, prachNumPrb, prachEndPrb;
1459 bool isPrachOccasion;
1460 FreePrbBlock *freePrbBlock = NULLP;
1461 CmLList *freePrbNode = NULLP;
1462 SchPrbAlloc *prbAlloc = NULLP;
1466 DU_LOG("\nERROR --> SCH : allocatePrbUl(): Received cellCb is null");
1470 prbAlloc = &cell->schUlSlotInfo[slotTime.slot]->prbAlloc;
1471 /* If startPrb is set to MAX_NUM_RB, it means startPrb is not known currently.
1472 * Search for an appropriate location in PRB grid and allocate requested resources */
1473 if(*startPrb == MAX_NUM_RB)
1475 /* Check if PRACH is also scheduled in this slot */
1476 isPrachOccasion = schCheckPrachOcc(cell, slotTime);
1479 prachStartPrb = cell->cellCfg.ulCfgCommon.schInitialUlBwp.schRachCfg.prachCfgGeneric.msg1FreqStart;
1480 prachNumPrb = schCalcPrachNumRb(cell);
1481 prachEndPrb = prachStartPrb + prachNumPrb -1;
1484 /* Iterate through all free PRB blocks */
1485 freePrbNode = prbAlloc->freePrbBlockList.first;
1488 freePrbBlock = (FreePrbBlock *)freePrbNode->node;
1490 /* If PRACH is scheduled in this slot, then check if its PRBs belong to the current free block.
1491 * PRBs required for PRACH cannot be allocated to any other message */
1492 if((isPrachOccasion) &&
1493 ((prachStartPrb >= freePrbBlock->startPrb) && (prachStartPrb <= freePrbBlock->endPrb)) &&
1494 ((prachEndPrb >= freePrbBlock->startPrb) && (prachEndPrb <= freePrbBlock->endPrb)))
1496 /* Implmentation is done such that highest-numbered free-RB is allocated first */
1497 if((freePrbBlock->endPrb > prachEndPrb) && ((freePrbBlock->endPrb - prachEndPrb) >= numPrb))
1499 /* If sufficient free PRBs are available above PRACH message then,
1500 * endPrb = freePrbBlock->endPrb
1501 * startPrb = endPrb - numPrb +1;
1503 *startPrb = freePrbBlock->endPrb - numPrb +1;
1506 else if((prachStartPrb > freePrbBlock->startPrb) && ((prachStartPrb - freePrbBlock->startPrb) >= numPrb))
1508 /* If free PRBs are available below PRACH message then,
1509 * endPrb = prachStartPrb - 1
1510 * startPrb = endPrb - numPrb +1
1512 *startPrb = prachStartPrb - numPrb;
1517 freePrbNode = freePrbNode->next;
1523 /* Check if requested number of PRBs can be allocated from currect block */
1524 if(freePrbBlock->numFreePrb < numPrb)
1526 freePrbNode = freePrbNode->next;
1529 *startPrb = freePrbBlock->endPrb - numPrb +1;
1534 /* If no free block can be used to allocated requested number of RBs */
1535 if(*startPrb == MAX_NUM_RB)
1540 /* If startPrb is known already, check if requested PRBs are available for allocation */
1541 freePrbNode = isPrbAvailable(&prbAlloc->freePrbBlockList, *startPrb, numPrb);
1544 DU_LOG("\nERROR --> SCH: Requested UL PRB unavailable");
1549 /* Update bitmap to allocate PRBs */
1550 for(symbol=startSymbol; symbol < (startSymbol+symbolLength); symbol++)
1552 if(fillPrbBitmap(prbAlloc->prbBitMap[symbol], *startPrb, numPrb) != ROK)
1554 DU_LOG("\nERROR --> SCH: fillPrbBitmap() failed for symbol [%d] in UL", symbol);
1559 /* Update the remaining number for free PRBs */
1560 removeAllocatedPrbFromFreePrbList(&prbAlloc->freePrbBlockList, freePrbNode, *startPrb, numPrb);
1565 /*******************************************************************************
1567 * @brief Try to find Best Free Block with Max Num PRB
1571 * Function : searchLargestFreeBlock
1574 * Finds the FreeBlock with MaxNum of FREE PRB considering SSB/SIB1 ocassions.
1576 * @params[in] I/P > prbAlloc table (FreeBlock list)
1577 * I/P > Slot timing Info
1579 * I/P > Direction (UL/DL)
1582 * @return Max Number of Free PRB
1583 * If 0, then no Suitable Free Block
1585 * ********************************************************************************/
1587 uint16_t searchLargestFreeBlock(SchCellCb *cell, SlotTimingInfo slotTime,uint16_t *startPrb, Direction dir)
1589 uint16_t reservedPrbStart=0, reservedPrbEnd=0, maxFreePRB = 0;
1590 FreePrbBlock *freePrbBlock = NULLP;
1591 CmLList *freePrbNode = NULLP;
1592 SchPrbAlloc *prbAlloc = NULLP;
1593 bool checkOccasion = FALSE;
1595 *startPrb = 0; /*Initialize the StartPRB to zero*/
1597 /*Based on Direction, Reserved Messsages will differi.e.
1598 * DL >> SSB and SIB1 ocassions wheres for UL, PRACH ocassions to be checked
1599 * and reserved before allocation for dedicated DL/UL msg*/
1602 SchDlSlotInfo *schDlSlotInfo = cell->schDlSlotInfo[slotTime.slot];
1603 PduTxOccsaion ssbOccasion=0, sib1Occasion=0;
1605 prbAlloc = &schDlSlotInfo->prbAlloc;
1607 ssbOccasion = schCheckSsbOcc(cell, slotTime);
1608 sib1Occasion = schCheckSib1Occ(cell, slotTime);
1610 checkOccasion = TRUE;
1611 if(ssbOccasion && sib1Occasion)
1613 reservedPrbStart = cell->cellCfg.dlCfgCommon.schFreqInfoDlSib.offsetToPointA;
1614 reservedPrbEnd = reservedPrbStart + SCH_SSB_NUM_PRB + \
1615 cell->sib1SchCfg.sib1PdcchCfg.dci.pdschCfg.pdschFreqAlloc.numPrb -1;
1617 else if(ssbOccasion)
1619 reservedPrbStart = cell->cellCfg.dlCfgCommon.schFreqInfoDlSib.offsetToPointA;
1620 reservedPrbEnd = reservedPrbStart + SCH_SSB_NUM_PRB -1;
1622 else if(sib1Occasion)
1624 reservedPrbStart = cell->sib1SchCfg.sib1PdcchCfg.dci.pdschCfg.pdschFreqAlloc.startPrb;
1625 reservedPrbEnd = reservedPrbStart + cell->sib1SchCfg.sib1PdcchCfg.dci.pdschCfg.pdschFreqAlloc.numPrb -1;
1629 checkOccasion = FALSE;
1632 else if(dir == DIR_UL)
1634 prbAlloc = &cell->schUlSlotInfo[slotTime.slot]->prbAlloc;
1636 /* Check if PRACH is also scheduled in this slot */
1637 checkOccasion = schCheckPrachOcc(cell, slotTime);
1640 reservedPrbStart = cell->cellCfg.ulCfgCommon.schInitialUlBwp.schRachCfg.prachCfgGeneric.msg1FreqStart;
1641 reservedPrbEnd = reservedPrbStart + (schCalcPrachNumRb(cell)) -1;
1646 DU_LOG("\nERROR --> SCH: Invalid Direction!");
1647 return (maxFreePRB);
1650 freePrbNode = prbAlloc->freePrbBlockList.first;
1653 freePrbBlock = (FreePrbBlock *)freePrbNode->node;
1655 /*For block with same numFreeBlocks, choose the one with HighestPRB range
1656 *Since FreeBLockList are arranged in Descending order of PRB range thus Skipping this block*/
1657 if(maxFreePRB >= freePrbBlock->numFreePrb)
1660 freePrbNode = freePrbNode->next;
1664 /* If Broadcast/Prach message is scheduled in this slot, then check if its PRBs belong to the current free block.
1665 * Since SSB/SIB1 PRB location is fixed, these PRBs cannot be allocated to other message in same slot */
1667 ((reservedPrbStart >= freePrbBlock->startPrb) && (reservedPrbStart <= freePrbBlock->endPrb)) && \
1668 ((reservedPrbEnd >= freePrbBlock->startPrb) && (reservedPrbEnd <= freePrbBlock->endPrb)))
1671 /* Implmentation is done such that highest-numbered free-RB is Checked first
1672 and freePRB in this block is greater than Max till now */
1673 if((freePrbBlock->endPrb > reservedPrbEnd) && ((freePrbBlock->endPrb - reservedPrbEnd) > maxFreePRB))
1675 /* If sufficient free PRBs are available above reserved message*/
1676 *startPrb = reservedPrbEnd + 1;
1677 maxFreePRB = (freePrbBlock->endPrb - reservedPrbEnd);
1679 /*Also check the other freeBlock (i.e. Above the reserved message) for MAX FREE PRB*/
1680 if((reservedPrbStart > freePrbBlock->startPrb) && ((reservedPrbStart - freePrbBlock->startPrb) > maxFreePRB))
1682 /* If free PRBs are available below reserved message*/
1683 *startPrb = freePrbBlock->startPrb;
1684 maxFreePRB = (reservedPrbStart - freePrbBlock->startPrb);
1689 if(maxFreePRB < freePrbBlock->numFreePrb)
1691 *startPrb = freePrbBlock->startPrb;
1692 maxFreePRB = freePrbBlock->numFreePrb;
1696 freePrbNode = freePrbNode->next;
1701 /*******************************************************************************
1703 * @brief This function is used to send Slice Cfg rsp to MAC
1707 * Function : SchSendSliceCfgRspToMac
1710 * function is used to send Slice Cfg rsp to MAC
1712 * @params[in] Pst *pst, SchSliceCfgRsp sliceCfgRsp
1716 * ********************************************************************************/
1717 void SchSendSliceCfgRspToMac(Inst inst, SchSliceCfgRsp sliceCfgRsp)
1721 memset(&rspPst, 0, sizeof(Pst));
1722 FILL_PST_SCH_TO_MAC(rspPst, inst);
1723 rspPst.event = EVENT_SLICE_CFG_RSP_TO_MAC;
1725 MacMessageRouter(&rspPst, (void *)&sliceCfgRsp);
1729 /*******************************************************************************
1731 * @brief This function is used to store or modify the slice configuration Sch DB
1735 * Function : addOrModifySliceCfgInSchDb
1738 * function is used to store or modify the slice configuration Sch DB
1740 * @params[in] SchSliceCfg *storeSliceCfg, SchSliceCfgReq *cfgReq,
1741 * SchSliceCfgRsp cfgRsp, uint8_t count
1747 * ********************************************************************************/
1748 uint8_t addSliceCfgInSchDb(CmLListCp *sliceCfgInDb, SchRrmPolicyOfSlice *cfgReq)
1750 SchRrmPolicyOfSlice *sliceToStore;
1752 SCH_ALLOC(sliceToStore, sizeof(SchRrmPolicyOfSlice));
1755 memcpy(&sliceToStore->snssai, &cfgReq->snssai, sizeof(Snssai));
1756 memcpy(&sliceToStore->rrmPolicyRatioInfo, &cfgReq->rrmPolicyRatioInfo, sizeof(SchRrmPolicyRatio));
1757 addNodeToLList(sliceCfgInDb, sliceToStore, NULL);
1761 DU_LOG("\nERROR --> SCH : Memory allocation failed in addOrModifySliceCfgInSchDb");
1767 /*******************************************************************************
1769 * @brief fill slice configuration response
1773 * Function : fillSliceCfgRsp
1776 * fill slice configuration response
1778 * @params[in] SchCellCb, SchSliceCfgReq, SchSliceCfgRsp,uint8_t count
1784 * ********************************************************************************/
1785 uint8_t fillSliceCfgRsp(Inst inst, CmLListCp *storedSliceCfg, SchCellCb *cellCb, SchSliceCfgReq *schSliceCfgReq)
1787 SchMacRsp sliceFound;
1788 uint8_t cfgIdx = 0, sliceIdx = 0, plmnIdx = 0, ret =ROK;
1789 SchSliceCfgRsp schSliceCfgRsp;
1791 for(cfgIdx = 0; cfgIdx<schSliceCfgReq->numOfConfiguredSlice; cfgIdx++)
1793 sliceFound = RSP_NOK;
1794 /* Here comparing the slice cfg request with the slice stored in cellCfg */
1795 for(plmnIdx = 0; plmnIdx < MAX_PLMN; plmnIdx++)
1797 for(sliceIdx = 0; sliceIdx<cellCb->cellCfg.plmnInfoList[plmnIdx].numSliceSupport; sliceIdx++)
1799 /* If we find the SliceCfgReq's SNSSAI in CellCb's SNSSAI DB, we mark this slice as configured and add it to Sch's DB. */
1800 if(!memcmp(&schSliceCfgReq->listOfSlices[cfgIdx]->snssai, cellCb->cellCfg.plmnInfoList[plmnIdx].snssai[sliceIdx], sizeof(Snssai)))
1802 if(addSliceCfgInSchDb(storedSliceCfg, schSliceCfgReq->listOfSlices[cfgIdx]) == ROK)
1804 sliceFound = RSP_OK;
1805 schSliceCfgRsp.cause = SUCCESSFUL;
1809 DU_LOG("\nERROR --> SCH : Failed to store slice configuration in SchDb");
1810 schSliceCfgRsp.cause = RESOURCE_UNAVAILABLE;
1819 if((sliceFound == RSP_NOK) && (schSliceCfgRsp.cause != RESOURCE_UNAVAILABLE))
1820 schSliceCfgRsp.cause = SLICE_NOT_FOUND;
1822 schSliceCfgRsp.snssai = schSliceCfgReq->listOfSlices[cfgIdx]->snssai;
1823 schSliceCfgRsp.rsp = sliceFound;
1824 SchSendSliceCfgRspToMac(inst, schSliceCfgRsp);
1829 /*******************************************************************************
1831 * @brief This function is used to free the slice cfg and re cfg request pointer
1835 * Function : freeSchSliceCfgReq
1838 * function is used to free the slice cfg and re cfg request pointer
1840 * @params[in] Pst *pst, SchSliceCfgReq *schSliceCfgReq
1845 * ********************************************************************************/
1846 void freeSchSliceCfgReq(SchSliceCfgReq *sliceCfgReq)
1852 if(sliceCfgReq->numOfConfiguredSlice)
1854 for(cfgIdx = 0; cfgIdx<sliceCfgReq->numOfConfiguredSlice; cfgIdx++)
1856 if(sliceCfgReq->listOfSlices[cfgIdx])
1858 SCH_FREE(sliceCfgReq->listOfSlices[cfgIdx], sizeof(SchRrmPolicyOfSlice));
1861 SCH_FREE(sliceCfgReq->listOfSlices, sliceCfgReq->numOfConfiguredSlice * sizeof(SchRrmPolicyOfSlice*));
1863 SCH_FREE(sliceCfgReq, sizeof(SchSliceCfgReq));
1866 /*******************************************************************************
1868 * @brief This function is used to store the slice configuration Sch DB
1872 * Function : SchProcSliceCfgReq
1875 * function is used to store the slice configuration Sch DB
1877 * @params[in] Pst *pst, SchSliceCfgReq *schSliceCfgReq
1883 * ********************************************************************************/
1884 uint8_t SchProcSliceCfgReq(Pst *pst, SchSliceCfgReq *schSliceCfgReq)
1887 Inst inst = pst->dstInst - SCH_INST_START;
1889 DU_LOG("\nINFO --> SCH : Received Slice Cfg request from MAC");
1892 if(schSliceCfgReq->listOfSlices)
1894 /* filling the slice configuration response of each slice */
1895 if(fillSliceCfgRsp(inst, &schCb[inst].sliceCfg, schCb[inst].cells[0], schSliceCfgReq) != ROK)
1897 DU_LOG("\nERROR --> SCH : Failed to fill the slice cfg rsp");
1900 freeSchSliceCfgReq(schSliceCfgReq);
1905 DU_LOG("\nERROR --> SCH : Received SchSliceCfgReq is NULL");
1911 /*******************************************************************************
1913 * @brief This function is used to send Slice re Cfg rsp to MAC
1917 * Function : SchSendSliceRecfgRspToMac
1920 * function is used to send Slice re Cfg rsp to MAC
1922 * @params[in] Pst *pst, SchSliceRecfgRsp schSliceRecfgRsp
1926 * ********************************************************************************/
1927 void SchSendSliceRecfgRspToMac(Inst inst, SchSliceRecfgRsp schSliceRecfgRsp)
1931 memset(&rspPst, 0, sizeof(Pst));
1932 FILL_PST_SCH_TO_MAC(rspPst, inst);
1933 rspPst.event = EVENT_SLICE_RECFG_RSP_TO_MAC;
1935 MacMessageRouter(&rspPst, (void *)&schSliceRecfgRsp);
1938 /*******************************************************************************
1940 * @brief fill slice configuration response
1944 * Function : fillSliceRecfgRsp
1946 * Functionality: fill slice reconfiguration response
1948 * @params[in] SchCellCb, SchSliceCfgReq, SchSliceCfgRsp,uint8_t count
1954 * ********************************************************************************/
1956 uint8_t fillSliceRecfgRsp(Inst inst, CmLListCp *storedSliceCfg, SchSliceRecfgReq *schSliceRecfgReq)
1958 SchMacRsp sliceFound;
1960 SchRrmPolicyOfSlice *rrmPolicyOfSlices;
1961 SchSliceRecfgRsp schSliceRecfgRsp;
1963 for(cfgIdx = 0; cfgIdx<schSliceRecfgReq->numOfConfiguredSlice; cfgIdx++)
1965 sliceFound = RSP_NOK;
1966 /* Here comparing the slice recfg request with the StoredSliceCfg */
1967 CmLList *sliceCfg = storedSliceCfg->first;
1971 rrmPolicyOfSlices = (SchRrmPolicyOfSlice*)sliceCfg->node;
1973 if(rrmPolicyOfSlices && (memcmp(&schSliceRecfgReq->listOfSlices[cfgIdx]->snssai, &(rrmPolicyOfSlices->snssai), sizeof(Snssai)) == 0))
1975 memcpy(&rrmPolicyOfSlices->rrmPolicyRatioInfo, &schSliceRecfgReq->listOfSlices[cfgIdx]->rrmPolicyRatioInfo, sizeof(SchRrmPolicyRatio));
1976 sliceFound = RSP_OK;
1979 sliceCfg = sliceCfg->next;
1982 schSliceRecfgRsp.snssai = schSliceRecfgReq->listOfSlices[cfgIdx]->snssai;
1983 schSliceRecfgRsp.rsp = sliceFound;
1984 if(schSliceRecfgRsp.rsp == RSP_OK)
1985 schSliceRecfgRsp.cause = SUCCESSFUL;
1987 schSliceRecfgRsp.cause = SLICE_NOT_FOUND;
1988 SchSendSliceRecfgRspToMac(inst, schSliceRecfgRsp);
1992 /*******************************************************************************
1994 * @brief This function is used to store the slice reconfiguration Sch DB
1998 * Function : SchProcSliceRecfgReq
2001 * function is used to store the slice re configuration Sch DB
2003 * @params[in] Pst *pst, SchSliceRecfgReq *schSliceRecfgReq
2009 * ********************************************************************************/
2010 uint8_t SchProcSliceRecfgReq(Pst *pst, SchSliceRecfgReq *schSliceRecfgReq)
2013 Inst inst = pst->dstInst - SCH_INST_START;
2015 DU_LOG("\nINFO --> SCH : Received Slice ReCfg request from MAC");
2016 if(schSliceRecfgReq)
2018 if(schSliceRecfgReq->listOfSlices)
2020 /* filling the slice configuration response of each slice */
2021 if(fillSliceRecfgRsp(inst, &schCb[inst].sliceCfg, schSliceRecfgReq) != ROK)
2023 DU_LOG("\nERROR --> SCH : Failed to fill sch slice cfg response");
2026 freeSchSliceCfgReq(schSliceRecfgReq);
2031 DU_LOG("\nERROR --> SCH : Received SchSliceRecfgReq is NULL");
2037 /****************************************************************************
2039 * @brief Stores the Paging Configuration from DU APP in CellCb
2043 * Function : schProcPagingParam
2046 * Process the Paging Configuration when FirstPDCCHMonitoring for
2047 * Paging Ocassion is not present.
2049 * As per 38.304 Sec 7.1,
2050 * "When firstPDCCH-MonitoringOccasionOfPO is present, the
2051 * starting PDCCH monitoring occasion number of (i_s + 1)th PO is the
2052 * (i_s + 1)th value of the firstPDCCHMonitoringOccasionOfPO
2053 * parameter; otherwise, it is equal to i_s * S."
2054 * "S = number of actual transmitted SSBs determined according
2055 * to ssb-PositionsInBurst in SIB1"
2057 * @params[in] SchCellCb *cell
2061 *************************************************************************/
2062 void schProcPagingCfg(SchCellCb *cell)
2064 SchPcchCfg *pageCfgRcvd = NULL;
2067 pageCfgRcvd = &(cell->cellCfg.dlCfgCommon.schPcchCfg);
2069 if(pageCfgRcvd->poPresent == TRUE)
2071 /*Fetching first Pdcch Monitoring Occasion for SFN (i_s + 1)th*/
2072 for(i_sIdx = 0; i_sIdx < pageCfgRcvd->numPO; i_sIdx++)
2074 cell->pageCb.pagMonOcc[i_sIdx].pagingOccSlot = pageCfgRcvd->pagingOcc[i_sIdx] / MAX_SYMB_PER_SLOT ;
2075 if ((pageCfgRcvd->pagingOcc[i_sIdx] % MAX_SYMB_PER_SLOT) != 0 )
2077 cell->pageCb.pagMonOcc[i_sIdx].pagingOccSlot++;
2080 cell->pageCb.pagMonOcc[i_sIdx].frameOffset = 0;
2086 schCfgPdcchMonOccOfPO(cell);
2090 /****************************************************************************
2092 * @brief Calculate PO if not present in Configuration
2096 * Function : schCfgPdcchMonOccOfPO
2098 * Functionality: In this function, PO are calculated i_s * S because
2099 * FirstPDCCHMonitoring_ForPO is not present.
2101 * @params[in] SchCellCb *cellCb
2105 *************************************************************************/
2106 void schCfgPdcchMonOccOfPO(SchCellCb *cell)
2108 uint8_t cnt = 0, incr = 1, i_sIdx = 0, frameOffSet = 0;
2109 uint8_t nsValue = cell->cellCfg.dlCfgCommon.schPcchCfg.numPO;
2110 uint8_t totalNumSsb = countSetBits(cell->cellCfg.ssbPosInBurst[0]);
2111 SlotTimingInfo tmpTimingInfo, pdcchTime;
2113 /*Starting with First Sfn and slot*/
2114 tmpTimingInfo.sfn = 0;
2115 tmpTimingInfo.slot = 0;
2117 pdcchTime = tmpTimingInfo;
2119 while(i_sIdx < nsValue)
2121 /*Increment frame Offset if PO falls on next SFN*/
2122 if(pdcchTime.sfn != tmpTimingInfo.sfn)
2126 pdcchTime = tmpTimingInfo;
2127 schIncrSlot(&(tmpTimingInfo), incr, cell->numSlots);
2131 cell->pageCb.pagMonOcc[i_sIdx].pagingOccSlot = pdcchTime.slot;
2132 cell->pageCb.pagMonOcc[i_sIdx].frameOffset = frameOffSet;
2138 if((cnt == totalNumSsb) && (i_sIdx < MAX_PO_PER_PF))
2140 cell->pageCb.pagMonOcc[i_sIdx].pagingOccSlot = pdcchTime.slot;
2141 cell->pageCb.pagMonOcc[i_sIdx].frameOffset = frameOffSet;
2149 /****************************************************************************
2151 * @brief Storing the paging information in SCH database
2155 * Function : schAddPagingIndtoList
2157 * Functionality: Storing the paging information in SCH database
2159 * @params[in] CmLListCp *storedPageList, CmLList *pageIndInfo
2161 * @return ROK - sucess
2164 *************************************************************************/
2165 uint8_t schAddPagingIndtoList(CmLListCp *storedPageList,void * pageIndInfo)
2167 CmLList *firstNodeOfList = NULLP;
2168 CmLList *currentNodeInfo = NULLP;
2169 SchPageInfo *tempNode = NULLP, *recvdNode = NULLP;
2171 recvdNode = (SchPageInfo*) pageIndInfo;
2172 CM_LLIST_FIRST_NODE(storedPageList,firstNodeOfList);
2174 SCH_ALLOC(currentNodeInfo, sizeof(CmLList));
2175 if(!currentNodeInfo)
2177 DU_LOG("\nERROR --> SCH : schAddPagingIndtoList() : Memory allocation failed");
2181 currentNodeInfo->node = (PTR)pageIndInfo;
2182 while(firstNodeOfList)
2184 tempNode = (SchPageInfo*)(firstNodeOfList->node);
2185 if ((recvdNode->pageTxTime.slot < tempNode->pageTxTime.slot))
2187 cmLListInsCrnt(storedPageList, currentNodeInfo);
2190 else if ((recvdNode->pageTxTime.slot == tempNode->pageTxTime.slot))
2192 DU_LOG("\nERROR --> SCH : schAddPagingIndtoList() : Slot[%d] is already present in the list", recvdNode->pageTxTime.slot);
2197 CM_LLIST_NEXT_NODE(storedPageList, firstNodeOfList);
2201 if(!firstNodeOfList)
2203 cmLListAdd2Tail(storedPageList, currentNodeInfo);
2205 DU_LOG("\nDEBUG --> SCH : Paging information is stored successfully for PF:%d, Slot:%d",\
2206 recvdNode->pageTxTime.sfn, recvdNode->pageTxTime.slot);
2210 /****************************************************************************
2212 * @brief Process paging indication at SCH recevied form MAC
2216 * Function : SchProcPagingInd
2218 * Functionality: Process paging indication at SCH recevied form MAC
2220 * @params[in] Pst *pst, SchPageInd *pageInd
2224 *************************************************************************/
2225 uint8_t SchProcPagingInd(Pst *pst, SchPageInd *pageInd)
2227 uint8_t ret = RFAILED;
2228 uint16_t cellIdx = 0;
2229 Inst inst = pst->dstInst - SCH_INST_START;
2230 SchCellCb *cellCb = NULLP;
2231 SchPageInfo *pageInfo = NULLP;
2235 DU_LOG("\nDEBUG --> SCH : Received paging indication from MAC for cellId[%d]",\
2239 for(cellIdx = 0; cellIdx < MAX_NUM_CELL; cellIdx++)
2241 if((schCb[inst].cells[cellIdx]) && (schCb[inst].cells[cellIdx]->cellId == pageInd->cellId))
2243 cellCb = schCb[inst].cells[cellIdx];
2249 if(pageInd->i_s > cellCb->cellCfg.dlCfgCommon.schPcchCfg.numPO)
2251 DU_LOG("\nERROR --> SCH : SchProcPagingInd(): i_s should not be greater than number of paging occasion");
2255 SCH_ALLOC(pageInfo, sizeof(SchPageInfo));
2258 pageInfo->pf = pageInd->pf;
2259 pageInfo->i_s = pageInd->i_s;
2260 pageInfo->pageTxTime.cellId = pageInd->cellId;
2261 pageInfo->pageTxTime.sfn = (pageInd->pf + cellCb->pageCb.pagMonOcc[pageInd->i_s].frameOffset) % MAX_SFN;
2262 pageInfo->pageTxTime.slot = cellCb->pageCb.pagMonOcc[pageInd->i_s].pagingOccSlot;
2263 pageInfo->mcs = DEFAULT_MCS;
2264 pageInfo->msgLen = pageInd->pduLen;
2265 SCH_ALLOC(pageInfo->pagePdu, pageInfo->msgLen);
2266 if(!pageInfo->pagePdu)
2268 DU_LOG("\nERROR --> SCH : SchProcPagingInd(): Failed to allocate memory");
2272 memcpy(pageInfo->pagePdu, pageInd->pagePdu, pageInfo->msgLen);
2273 ret = schAddPagingIndtoList(&cellCb->pageCb.pageIndInfoRecord[pageInfo->pageTxTime.sfn], pageInfo);
2276 DU_LOG("\nERROR --> SCH : SchProcPagingInd(): Failed to store paging record");
2282 DU_LOG("\nERROR --> SCH : SchProcPagingInd(): Failed to allocate memory");
2288 DU_LOG("\nERROR --> SCH : Cell ID [%d] not found", pageInd->cellId);
2290 SCH_FREE(pageInd->pagePdu, pageInd->pduLen);
2291 SCH_FREE(pageInd, sizeof(SchPageInd));
2295 DU_LOG("\nERROR --> SCH : SchProcPagingInd(): Received null pointer");
2301 /***********************************************************
2303 * Func : SchFillCfmPst
2306 * Desc : Fills the Confirmation Post Structure cfmPst using the reqPst
2307 * and the cfm->hdr.response.
2314 * File : rg_sch_lmm.c
2316 **********************************************************/
2326 inst = (reqPst->dstInst - SCH_INST_START);
2328 cfmPst->srcEnt = ENTMAC;
2329 cfmPst->srcInst = (Inst) 1;
2330 cfmPst->srcProcId = schCb[inst].schInit.procId;
2331 cfmPst->dstEnt = ENTMAC;
2332 cfmPst->dstInst = (Inst) 0;
2333 cfmPst->dstProcId = reqPst->srcProcId;
2335 cfmPst->selector = cfm->hdr.response.selector;
2336 cfmPst->region = cfm->hdr.response.mem.region;
2337 cfmPst->pool = cfm->hdr.response.mem.pool;
2342 /*******************************************************************
2344 * @brief Processes DL CQI ind from MAC
2348 * Function : SchProcDlCqiInd
2351 * Processes DL CQI ind from MAC
2354 * @return ROK - success
2357 * ****************************************************************/
2358 uint8_t SchProcDlCqiInd(Pst *pst, SchDlCqiInd *dlCqiInd)
2361 uint16_t ueId = 0, cellIdx = 0;
2362 SchUeCb *ueCb = NULLP;
2363 SchCellCb *cell = NULLP;
2364 Inst inst = pst->dstInst-SCH_INST_START;
2368 DU_LOG("\nERROR --> SCH : SchProcDlCqiInd(): CQI Ind is empty");
2373 GET_CELL_IDX(dlCqiInd->cellId, cellIdx);
2374 cell = schCb[inst].cells[cellIdx];
2377 DU_LOG("\nERROR --> SCH : SchProcDlCqiInd(): cell Id[%d] not found", dlCqiInd->cellId);
2382 if(cell->cellId == dlCqiInd->cellId)
2384 GET_UE_ID(dlCqiInd->crnti, ueId);
2385 ueCb = &cell->ueCb[ueId-1];
2386 if(ueCb->crnti != dlCqiInd->crnti)
2388 DU_LOG("\nERROR --> SCH : SchProcDlCqiInd(): UeCb for received crnti[%d] not found", dlCqiInd->crnti);
2393 /*TODO: complete the processing of DL CQI Ind*/
2398 DU_LOG("\nERROR --> SCH : SchProcDlCqiInd(): Received cell Id[%d] from MAC is not matching with CellID[%d] in SCH Cb",\
2399 dlCqiInd->cellId, cell->cellId);
2407 /*******************************************************************
2409 * @brief Processes UL CQI ind from MAC
2413 * Function : SchProcUlCqiInd
2416 * Processes UL CQI ind from MAC
2419 * @return ROK - success
2422 * ****************************************************************/
2423 uint8_t SchProcUlCqiInd(Pst *pst, SchUlCqiInd *ulCqiInd)
2426 uint16_t ueId = 0, cellIdx = 0;
2427 SchUeCb *ueCb = NULLP;
2428 SchCellCb *cell = NULLP;
2429 Inst inst = pst->dstInst-SCH_INST_START;
2433 DU_LOG("\nERROR --> SCH : SchProcUlCqiInd(): CQI Ind is empty");
2438 GET_CELL_IDX(ulCqiInd->cellId, cellIdx);
2439 cell = schCb[inst].cells[cellIdx];
2442 DU_LOG("\nERROR --> SCH : SchProcUlCqiInd(): cell Id[%d] not found", ulCqiInd->cellId);
2447 if(cell->cellId == ulCqiInd->cellId)
2449 GET_UE_ID(ulCqiInd->crnti, ueId);
2450 ueCb = &cell->ueCb[ueId-1];
2451 if(ueCb->crnti != ulCqiInd->crnti)
2453 DU_LOG("\nERROR --> SCH : SchProcUlCqiInd(): UeCb for received crnti[%d] not found",ulCqiInd->crnti);
2458 /*TODO: complete the processing of UL CQI Ind*/
2463 DU_LOG("\nERROR --> SCH : SchProcUlCqiInd(): Received cell Id[%d] from MAC is not matching with CellId[%d] in SCH Cb",\
2464 ulCqiInd->cellId, cell->cellId);
2472 /*******************************************************************
2474 * @brief Processes PHR ind from MAC
2478 * Function : SchProcPhrInd
2481 * Processes PHR ind from MAC
2484 * @return ROK - success
2487 * ****************************************************************/
2488 uint8_t SchProcPhrInd(Pst *pst, SchPwrHeadroomInd *schPhrInd)
2491 uint16_t ueId = 0, cellIdx = 0;
2492 SchUeCb *ueCb = NULLP;
2493 SchCellCb *cell = NULLP;
2494 Inst inst = pst->dstInst-SCH_INST_START;
2498 DU_LOG("\nERROR --> SCH : SchProcPhrInd(): PHR is empty");
2503 GET_CELL_IDX(schPhrInd->cellId, cellIdx);
2504 cell = schCb[inst].cells[cellIdx];
2507 DU_LOG("\nERROR --> SCH : schProcPhrInd(): cell Id[%d] is not found", schPhrInd->cellId);
2512 if(cell->cellId == schPhrInd->cellId)
2514 GET_UE_ID(schPhrInd->crnti, ueId);
2515 ueCb = &cell->ueCb[ueId-1];
2516 if(ueCb->crnti != schPhrInd->crnti)
2518 DU_LOG("\nERROR --> SCH : SchProcPhrInd(): UeCb for received crnti[%d] not found",schPhrInd->crnti);
2523 /*TODO: complete the processing of PHR Ind*/
2528 DU_LOG("\nERROR --> SCH : SchProcPhrInd(): Mismatch between Received cell Id[%d] from MAC and CellID[%d] in SCH CB ",\
2529 schPhrInd->cellId, cell->cellId);
2537 /**********************************************************************
2539 **********************************************************************/