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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;
324 * @brief init TDD slot config
328 * Function : schInitTddSlotCfg
330 * This API is invoked after receiving schCellCfg
332 * @param[in] schCellCb *cell
333 * @param[in] SchCellCfg *schCellCfg
336 void schInitTddSlotCfg(SchCellCb *cell, SchCellCfg *schCellCfg)
338 uint16_t periodicityInMicroSec = 0;
339 int8_t slotIdx, symbIdx;
341 periodicityInMicroSec = schGetPeriodicityInMsec(schCellCfg->tddCfg.tddPeriod);
342 cell->numSlotsInPeriodicity = (periodicityInMicroSec * pow(2, schCellCfg->numerology))/1000;
343 cell->slotFrmtBitMap = 0;
344 cell->symbFrmtBitMap = 0;
345 for(slotIdx = cell->numSlotsInPeriodicity-1; slotIdx >= 0; slotIdx--)
348 /* If the first and last symbol are the same, the entire slot is the same type */
349 if((schCellCfg->tddCfg.slotCfg[slotIdx][symbIdx] == schCellCfg->tddCfg.slotCfg[slotIdx][MAX_SYMB_PER_SLOT-1]) &&
350 schCellCfg->tddCfg.slotCfg[slotIdx][symbIdx] != FLEXI_SLOT)
352 switch(schCellCfg->tddCfg.slotCfg[slotIdx][symbIdx])
356 /*BitMap to be set to 00 */
357 cell->slotFrmtBitMap = (cell->slotFrmtBitMap<<2);
362 /*BitMap to be set to 01 */
363 cell->slotFrmtBitMap = ((cell->slotFrmtBitMap<<2) | (UL_SLOT));
367 DU_LOG("\nERROR --> SCH : Invalid slot Config in schInitTddSlotCfg");
371 /* slot config is flexible. First set slotBitMap to 10 */
372 cell->slotFrmtBitMap = ((cell->slotFrmtBitMap<<2) | (FLEXI_SLOT));
374 /* Now set symbol bitmap */
375 for(symbIdx = MAX_SYMB_PER_SLOT-1; symbIdx >= 0; symbIdx--)
377 switch(schCellCfg->tddCfg.slotCfg[slotIdx][symbIdx])
381 /*symbol BitMap to be set to 00 */
382 cell->symbFrmtBitMap = (cell->symbFrmtBitMap<<2);
387 /*symbol BitMap to be set to 01 */
388 cell->symbFrmtBitMap = ((cell->symbFrmtBitMap<<2) | (UL_SLOT));
393 /*symbol BitMap to be set to 10 */
394 cell->symbFrmtBitMap = ((cell->symbFrmtBitMap<<2) | (FLEXI_SLOT));
398 DU_LOG("\nERROR --> SCH : Invalid slot Config in schInitTddSlotCfg");
406 * @brief Fill SSB start symbol
410 * Function : fillSsbStartSymb
412 * This API stores SSB start index per beam
414 * @param[in] SchCellCb *cellCb
419 void fillSsbStartSymb(SchCellCb *cellCb)
421 uint8_t cnt, scs, symbIdx, ssbStartSymbArr[SCH_MAX_SSB_BEAM];
423 scs = cellCb->cellCfg.ssbSchCfg.scsCommon;
425 memset(ssbStartSymbArr, 0, sizeof(SCH_MAX_SSB_BEAM));
427 /* Determine value of "n" based on Section 4.1 of 3GPP TS 38.213 */
432 if(cellCb->cellCfg.dlFreq <= 300000)
433 cnt = 2;/* n = 0, 1 */
435 cnt = 4; /* n = 0, 1, 2, 3 */
436 for(uint8_t idx=0; idx<cnt; idx++)
438 /* start symbol determined using {2, 8} + 14n */
439 ssbStartSymbArr[symbIdx++] = 2 + MAX_SYMB_PER_SLOT*idx;
440 ssbStartSymbArr[symbIdx++] = 8 + MAX_SYMB_PER_SLOT*idx;
446 if(cellCb->cellCfg.dlFreq <= 300000)
449 cnt = 2; /* n = 0, 1 */
450 for(uint8_t idx=0; idx<cnt; idx++)
452 /* start symbol determined using {4, 8, 16, 20} + 28n */
453 ssbStartSymbArr[symbIdx++] = 4 + MAX_SYMB_PER_SLOT*idx;
454 ssbStartSymbArr[symbIdx++] = 8 + MAX_SYMB_PER_SLOT*idx;
455 ssbStartSymbArr[symbIdx++] = 16 + MAX_SYMB_PER_SLOT*idx;
456 ssbStartSymbArr[symbIdx++] = 20 + MAX_SYMB_PER_SLOT*idx;
461 DU_LOG("\nERROR --> SCH : SCS %d is currently not supported", scs);
463 memset(cellCb->ssbStartSymbArr, 0, sizeof(SCH_MAX_SSB_BEAM));
464 memcpy(cellCb->ssbStartSymbArr, ssbStartSymbArr, SCH_MAX_SSB_BEAM);
470 * @brief init cellCb based on cellCfg
474 * Function : schInitCellCb
476 * This API is invoked after receiving schCellCfg
478 * @param[in] schCellCb *cell
479 * @param[in] SchCellCfg *schCellCfg
484 uint8_t schInitCellCb(Inst inst, SchCellCfg *schCellCfg)
486 SchCellCb *cell= NULLP;
487 SCH_ALLOC(cell, sizeof(SchCellCb));
490 DU_LOG("\nERROR --> SCH : Memory allocation failed in schInitCellCb");
494 cell->cellId = schCellCfg->cellId;
495 cell->instIdx = inst;
496 switch(schCellCfg->numerology)
498 case SCH_NUMEROLOGY_0:
500 cell->numSlots = SCH_MU0_NUM_SLOTS;
503 case SCH_NUMEROLOGY_1:
505 cell->numSlots = SCH_MU1_NUM_SLOTS;
508 case SCH_NUMEROLOGY_2:
510 cell->numSlots = SCH_MU2_NUM_SLOTS;
513 case SCH_NUMEROLOGY_3:
515 cell->numSlots = SCH_MU3_NUM_SLOTS;
518 case SCH_NUMEROLOGY_4:
520 cell->numSlots = SCH_MU4_NUM_SLOTS;
524 DU_LOG("\nERROR --> SCH : Numerology %d not supported", schCellCfg->numerology);
527 schInitTddSlotCfg(cell, schCellCfg);
530 SCH_ALLOC(cell->schDlSlotInfo, cell->numSlots * sizeof(SchDlSlotInfo*));
531 if(!cell->schDlSlotInfo)
533 DU_LOG("\nERROR --> SCH : Memory allocation failed in schInitCellCb for schDlSlotInfo");
537 SCH_ALLOC(cell->schUlSlotInfo, cell->numSlots * sizeof(SchUlSlotInfo*));
538 if(!cell->schUlSlotInfo)
540 DU_LOG("\nERROR --> SCH : Memory allocation failed in schInitCellCb for schUlSlotInfo");
544 for(uint8_t idx=0; idx<cell->numSlots; idx++)
546 SchDlSlotInfo *schDlSlotInfo;
547 SchUlSlotInfo *schUlSlotInfo;
550 SCH_ALLOC(schDlSlotInfo, sizeof(SchDlSlotInfo));
553 DU_LOG("\nERROR --> SCH : Memory allocation failed in schInitCellCb");
558 SCH_ALLOC(schUlSlotInfo, sizeof(SchUlSlotInfo));
561 DU_LOG("\nERROR --> SCH : Memory allocation failed in schInitCellCb");
565 schInitDlSlot(schDlSlotInfo);
566 schInitUlSlot(schUlSlotInfo);
568 cell->schDlSlotInfo[idx] = schDlSlotInfo;
569 cell->schUlSlotInfo[idx] = schUlSlotInfo;
572 cell->firstSsbTransmitted = false;
573 cell->firstSib1Transmitted = false;
574 fillSsbStartSymb(cell);
577 memset(cell->drxCb, 0, MAX_DRX_SIZE*sizeof(SchDrxCb));
579 schCb[inst].cells[inst] = cell;
581 DU_LOG("\nINFO --> SCH : Cell init completed for cellId:%d", cell->cellId);
587 * @brief Fill SIB1 configuration
591 * Function : fillSchSib1Cfg
593 * Fill SIB1 configuration
595 * @param[in] uint8_t bandwidth : total available bandwidth
596 * uint8_t numSlots : total slots per SFN
597 * SchSib1Cfg *sib1SchCfg : cfg to be filled
598 * uint16_t pci : physical cell Id
599 * uint8_t offsetPointA : offset
602 uint8_t fillSchSib1Cfg(uint8_t mu, uint8_t bandwidth, uint8_t numSlots, SchSib1Cfg *sib1SchCfg, uint16_t pci, uint8_t offsetPointA)
604 uint8_t coreset0Idx = 0;
605 uint8_t searchSpace0Idx = 0;
606 //uint8_t ssbMuxPattern = 0;
608 uint8_t numSymbols = 0;
611 //uint8_t numSearchSpacePerSlot = 0;
613 uint8_t firstSymbol = 0; /* need to calculate using formula mentioned in 38.213 */
614 uint8_t slotIndex = 0;
615 uint8_t FreqDomainResource[FREQ_DOM_RSRC_SIZE] = {0};
622 pdcch = &(sib1SchCfg->sib1PdcchCfg);
623 bwp = &(sib1SchCfg->bwp);
625 coreset0Idx = sib1SchCfg->coresetZeroIndex;
626 searchSpace0Idx = sib1SchCfg->searchSpaceZeroIndex;
628 /* derive the sib1 coreset0 params from table 13-1 spec 38.213 */
629 //ssbMuxPattern = coresetIdxTable[coreset0Idx][0];
630 numRbs = coresetIdxTable[coreset0Idx][1];
631 numSymbols = coresetIdxTable[coreset0Idx][2];
632 offset = coresetIdxTable[coreset0Idx][3];
634 /* derive the search space params from table 13-11 spec 38.213 */
635 oValue = searchSpaceIdxTable[searchSpace0Idx][0];
636 //numSearchSpacePerSlot = searchSpaceIdxTable[searchSpace0Idx][1];
637 mValue = searchSpaceIdxTable[searchSpace0Idx][2];
638 firstSymbol = searchSpaceIdxTable[searchSpace0Idx][3];
640 /* calculate the n0, need to add the formulae, as of now the value is 0
641 * Need to add the even and odd values of i during configuration
642 * [(O . 2^u + i . M ) ] mod numSlotsPerSubframe
643 * assuming u = 0, i = 0, numSlotsPerSubframe = 10
644 * Also, from this configuration, coreset0 is only on even subframe */
645 slotIndex = (int)((oValue*pow(2, mu)) + floor(ssbIdx*mValue))%numSlots;
646 sib1SchCfg->n0 = slotIndex;
651 case BANDWIDTH_20MHZ:
653 bwp->freqAlloc.numPrb = TOTAL_PRB_20MHZ_MU0;
656 case BANDWIDTH_100MHZ:
658 bwp->freqAlloc.numPrb = TOTAL_PRB_100MHZ_MU1;
662 DU_LOG("\nERROR --> SCH : Bandwidth %d not supported", bandwidth);
665 bwp->freqAlloc.startPrb = 0;
666 bwp->subcarrierSpacing = 0; /* 15Khz */
667 bwp->cyclicPrefix = 0; /* normal */
669 /* fill the PDCCH PDU */
670 pdcch->coresetCfg.coreSetSize = numRbs;
671 pdcch->coresetCfg.startSymbolIndex = firstSymbol;
672 pdcch->coresetCfg.durationSymbols = numSymbols;
674 /* Fill Bitmap for PRBs in coreset */
675 fillCoresetFeqDomAllocMap(((offsetPointA-offset)/6), (numRbs/6), FreqDomainResource);
676 covertFreqDomRsrcMapToIAPIFormat(FreqDomainResource, pdcch->coresetCfg.freqDomainResource);
678 pdcch->coresetCfg.cceRegMappingType = 1; /* coreset0 is always interleaved */
679 pdcch->coresetCfg.regBundleSize = 6; /* spec-38.211 sec 7.3.2.2 */
680 pdcch->coresetCfg.interleaverSize = 2; /* spec-38.211 sec 7.3.2.2 */
681 pdcch->coresetCfg.coreSetType = 0;
682 pdcch->coresetCfg.shiftIndex = pci;
683 pdcch->coresetCfg.precoderGranularity = 0; /* sameAsRegBundle */
685 pdcch->dci.rnti = SI_RNTI;
686 pdcch->dci.scramblingId = pci;
687 pdcch->dci.scramblingRnti = 0;
688 pdcch->dci.cceIndex = 0;
689 pdcch->dci.aggregLevel = 4;
690 pdcch->dci.beamPdcchInfo.numPrgs = 1;
691 pdcch->dci.beamPdcchInfo.prgSize = 1;
692 pdcch->dci.beamPdcchInfo.digBfInterfaces = 0;
693 pdcch->dci.beamPdcchInfo.prg[0].pmIdx = 0;
694 pdcch->dci.beamPdcchInfo.prg[0].beamIdx[0] = 0;
695 pdcch->dci.txPdcchPower.beta_pdcch_1_0= 0;
696 pdcch->dci.txPdcchPower.powerControlOffsetSS = 0;
697 /* Storing pdschCfg pointer here. Required to access pdsch config while
698 fillig up pdcch pdu */
699 SCH_ALLOC(pdcch->dci.pdschCfg, sizeof(PdschCfg));
700 if(pdcch->dci.pdschCfg == NULLP)
702 DU_LOG("\nERROR --> SCH : Memory allocation failed in %s ", __func__);
705 pdsch = pdcch->dci.pdschCfg;
707 /* fill the PDSCH PDU */
709 pdsch->pduBitmap = 0; /* PTRS and CBG params are excluded */
710 pdsch->rnti = 0xFFFF; /* SI-RNTI */
712 pdsch->numCodewords = 1;
713 for(cwCount = 0; cwCount < pdsch->numCodewords; cwCount++)
715 pdsch->codeword[cwCount].targetCodeRate = 308;
716 pdsch->codeword[cwCount].qamModOrder = 2;
717 pdsch->codeword[cwCount].mcsIndex = sib1SchCfg->sib1Mcs;
718 pdsch->codeword[cwCount].mcsTable = 0; /* notqam256 */
719 pdsch->codeword[cwCount].rvIndex = 0;
720 tbSize = schCalcTbSize(sib1SchCfg->sib1PduLen + TX_PAYLOAD_HDR_LEN);
721 pdsch->codeword[cwCount].tbSize = tbSize;
723 pdsch->dataScramblingId = pci;
724 pdsch->numLayers = 1;
725 pdsch->transmissionScheme = 0;
727 pdsch->dmrs.dlDmrsSymbPos = 4; /* Bitmap value 00000000000100 i.e. using 3rd symbol for PDSCH DMRS */
728 pdsch->dmrs.dmrsConfigType = 0; /* type-1 */
729 pdsch->dmrs.dlDmrsScramblingId = pci;
730 pdsch->dmrs.scid = 0;
731 pdsch->dmrs.numDmrsCdmGrpsNoData = 1;
732 pdsch->dmrs.dmrsPorts = 0x0001;
733 pdsch->dmrs.mappingType = DMRS_MAP_TYPE_A; /* Type-A */
734 pdsch->dmrs.nrOfDmrsSymbols = NUM_DMRS_SYMBOLS;
735 pdsch->dmrs.dmrsAddPos = DMRS_ADDITIONAL_POS;
737 pdsch->pdschFreqAlloc.resourceAllocType = 1; /* RAT type-1 RIV format */
738 /* the RB numbering starts from coreset0, and PDSCH is always above SSB */
739 pdsch->pdschFreqAlloc.startPrb = offsetPointA + SCH_SSB_NUM_PRB;
740 pdsch->pdschFreqAlloc.numPrb = schCalcNumPrb(tbSize,sib1SchCfg->sib1Mcs, NUM_PDSCH_SYMBOL);
741 pdsch->pdschFreqAlloc.vrbPrbMapping = 0; /* non-interleaved */
742 pdsch->pdschTimeAlloc.rowIndex = 1;
743 /* This is Intel's requirement. PDSCH should start after PDSCH DRMS symbol */
744 pdsch->pdschTimeAlloc.startSymb = 3; /* spec-38.214, Table 5.1.2.1-1 */
745 pdsch->pdschTimeAlloc.numSymb = NUM_PDSCH_SYMBOL;
746 pdsch->beamPdschInfo.numPrgs = 1;
747 pdsch->beamPdschInfo.prgSize = 1;
748 pdsch->beamPdschInfo.digBfInterfaces = 0;
749 pdsch->beamPdschInfo.prg[0].pmIdx = 0;
750 pdsch->beamPdschInfo.prg[0].beamIdx[0] = 0;
751 pdsch->txPdschPower.powerControlOffset = 0;
752 pdsch->txPdschPower.powerControlOffsetSS = 0;
758 * @brief cell config from MAC to SCH.
762 * Function : macSchCellCfgReq
764 * This API is invoked by MAC to send cell config to SCH
766 * @param[in] Pst *pst
767 * @param[in] SchCellCfg *schCellCfg
772 uint8_t SchProcCellCfgReq(Pst *pst, SchCellCfg *schCellCfg)
776 SchCellCfgCfm schCellCfgCfm;
778 Inst inst = pst->dstInst - SCH_INST_START;
779 uint8_t coreset0Idx = 0;
782 uint8_t freqDomainResource[FREQ_DOM_RSRC_SIZE] = {0};
783 SchPdschConfig pdschCfg;
785 schInitCellCb(inst, schCellCfg);
786 cellCb = schCb[inst].cells[inst]; //cells is of MAX_CELLS, why inst
787 cellCb->macInst = pst->srcInst;
789 /* derive the SIB1 config parameters */
790 ret = fillSchSib1Cfg(schCellCfg->numerology, schCellCfg->bandwidth, cellCb->numSlots,
791 &(schCellCfg->sib1SchCfg), schCellCfg->phyCellId,
792 schCellCfg->ssbSchCfg.ssbOffsetPointA);
796 DU_LOG("\nERROR --> SCH : Failed to fill sib1 configuration");
799 memcpy(&cellCb->cellCfg, schCellCfg, sizeof(SchCellCfg));
800 schProcPagingCfg(cellCb);
802 /* Fill coreset frequencyDomainResource bitmap */
803 coreset0Idx = cellCb->cellCfg.schInitialDlBwp.pdcchCommon.commonSearchSpace.coresetId;
804 numRbs = coresetIdxTable[coreset0Idx][1];
805 offset = coresetIdxTable[coreset0Idx][3];
806 fillCoresetFeqDomAllocMap(((cellCb->cellCfg.ssbSchCfg.ssbOffsetPointA - offset)/6), (numRbs/6), freqDomainResource);
807 covertFreqDomRsrcMapToIAPIFormat(freqDomainResource, \
808 cellCb->cellCfg.schInitialDlBwp.pdcchCommon.commonSearchSpace.freqDomainRsrc);
810 /* Fill K0 - K1 table for common cfg*/
811 BuildK0K1Table(cellCb, &cellCb->cellCfg.schInitialDlBwp.k0K1InfoTbl, true, cellCb->cellCfg.schInitialDlBwp.pdschCommon,
812 pdschCfg, DEFAULT_UL_ACK_LIST_COUNT, defaultUlAckTbl);
814 BuildK2InfoTable(cellCb, cellCb->cellCfg.schInitialUlBwp.puschCommon.timeDomRsrcAllocList,\
815 cellCb->cellCfg.schInitialUlBwp.puschCommon.numTimeDomRsrcAlloc, &cellCb->cellCfg.schInitialUlBwp.msg3K2InfoTbl, \
816 &cellCb->cellCfg.schInitialUlBwp.k2InfoTbl);
817 /* Initializing global variables */
818 cellCb->actvUeBitMap = 0;
819 cellCb->boIndBitMap = 0;
821 cellCb->cellCfg.schHqCfg.maxDlDataHqTx = SCH_MAX_NUM_DL_HQ_TX;
822 cellCb->cellCfg.schHqCfg.maxMsg4HqTx = SCH_MAX_NUM_MSG4_TX;
823 cellCb->cellCfg.schHqCfg.maxUlDataHqTx = SCH_MAX_NUM_UL_HQ_TX;
824 cellCb->cellCfg.schRachCfg.maxMsg3Tx = SCH_MAX_NUM_MSG3_TX;
826 cellCb->schAlgoType = SCH_FCFS;
827 cellCb->api = &schCb[inst].allApis[cellCb->schAlgoType]; /* For FCFS */
828 cellCb->api->SchCellCfgReq(cellCb);
830 /* Fill and send Cell config confirm */
831 memset(&rspPst, 0, sizeof(Pst));
832 FILL_PST_SCH_TO_MAC(rspPst, pst->dstInst);
833 rspPst.event = EVENT_SCH_CELL_CFG_CFM;
835 schCellCfgCfm.cellId = schCellCfg->cellId;
836 schCellCfgCfm.rsp = RSP_OK;
838 ret = MacMessageRouter(&rspPst, (void *)&schCellCfgCfm);
843 /*******************************************************************
845 * @brief Fill and send Cell delete response to MAC
849 * Function : SchSendCellDeleteRspToMac
851 * Functionality: Fill and send Cell delete response to MAC
853 * @params[in] SchCellDelete *ueDelete, Inst inst, SchMacRsp result
854 * @return ROK - success
857 * ****************************************************************/
858 uint8_t SchSendCellDeleteRspToMac(SchCellDeleteReq *ueDelete, Inst inst, SchMacRsp result)
863 SchCellDeleteRsp delRsp;
865 DU_LOG("\nINFO --> SCH : Filling Cell Delete response");
866 memset(&delRsp, 0, sizeof(SchCellDeleteRsp));
867 delRsp.cellId = ueDelete->cellId;
870 /* Filling response post */
871 memset(&rspPst, 0, sizeof(Pst));
872 FILL_PST_SCH_TO_MAC(rspPst, inst);
873 rspPst.event = EVENT_CELL_DELETE_RSP_TO_MAC;
874 ret = MacMessageRouter(&rspPst, (void *)&delRsp);
877 DU_LOG("\nERROR --> SCH : SchSendCellDeleteRspToMac(): failed to send the Cell Delete response");
883 /*******************************************************************
885 * @brief Function for cellCb Deletion
889 * Function : deleteSchCellCb
891 * Functionality: Function for cellCb Deletion
893 * @params[in] SchCellDelete *cellDelete
894 * @return ROK - success
897 * ****************************************************************/
898 void deleteSchCellCb(SchCellCb *cellCb)
900 uint8_t sliceIdx=0, slotIdx=0;
901 CmLListCp *list=NULL;
902 CmLList *node=NULL, *next=NULL;
903 SchPageInfo *tempNode = NULLP;
905 if(cellCb->schDlSlotInfo)
907 for(slotIdx=0; slotIdx<cellCb->numSlots; slotIdx++)
909 list = &cellCb->schDlSlotInfo[slotIdx]->prbAlloc.freePrbBlockList;
914 SCH_FREE(node->node, sizeof(FreePrbBlock));
915 deleteNodeFromLList(list, node);
918 SCH_FREE(cellCb->schDlSlotInfo[slotIdx], sizeof(SchDlSlotInfo));
920 SCH_FREE(cellCb->schDlSlotInfo, cellCb->numSlots *sizeof(SchDlSlotInfo*));
923 if(cellCb->schUlSlotInfo)
925 for(slotIdx=0; slotIdx<cellCb->numSlots; slotIdx++)
927 list = &cellCb->schUlSlotInfo[slotIdx]->prbAlloc.freePrbBlockList;
932 SCH_FREE(node->node, sizeof(FreePrbBlock));
933 deleteNodeFromLList(list, node);
936 SCH_FREE(cellCb->schUlSlotInfo[slotIdx], sizeof(SchUlSlotInfo));
938 SCH_FREE(cellCb->schUlSlotInfo, cellCb->numSlots * sizeof(SchUlSlotInfo*));
941 if(cellCb->cellCfg.plmnInfoList.snssai)
943 for(sliceIdx=0; sliceIdx<cellCb->cellCfg.plmnInfoList.numSliceSupport; sliceIdx++)
945 SCH_FREE(cellCb->cellCfg.plmnInfoList.snssai[sliceIdx], sizeof(Snssai));
947 SCH_FREE(cellCb->cellCfg.plmnInfoList.snssai, cellCb->cellCfg.plmnInfoList.numSliceSupport*sizeof(Snssai*));
950 SCH_FREE(cellCb->cellCfg.sib1SchCfg.sib1PdcchCfg.dci.pdschCfg, sizeof(PdschCfg));
952 for(uint16_t idx =0; idx<MAX_SFN; idx++)
954 list = &cellCb->pageCb.pageIndInfoRecord[idx];
961 tempNode = (SchPageInfo*)(node->node);
962 SCH_FREE(tempNode->pagePdu, tempNode->msgLen);
963 SCH_FREE(node->node, sizeof(SchPageInfo));
965 deleteNodeFromLList(list, node);
970 cellCb->api->SchCellDeleteReq(cellCb);
972 memset(cellCb, 0, sizeof(SchCellCb));
975 /*******************************************************************
977 * @brief Function for cell Delete request from MAC to SCH
981 * Function : SchProcCellDeleteReq
983 * Functionality: Function for cell Delete request from MAC to SCH
985 * @params[in] Pst *pst, SchCellDelete *cellDelete
986 * @return ROK - success
989 * ****************************************************************/
990 uint8_t SchProcCellDeleteReq(Pst *pst, SchCellDeleteReq *cellDelete)
992 uint8_t cellIdx=0, ret = RFAILED;
993 Inst inst = pst->dstInst - SCH_INST_START;
994 SchMacRsp result= RSP_OK;
998 DU_LOG("\nERROR --> SCH : SchProcCellDeleteReq(): Ue Delete request failed");
1002 GET_CELL_IDX(cellDelete->cellId, cellIdx);
1003 if(schCb[inst].cells[cellIdx] == NULLP)
1005 DU_LOG("\nERROR --> SCH : SchProcCellDeleteReq(): cell Id[%d] is not available", cellDelete->cellId);
1010 if(schCb[inst].cells[cellIdx]->cellId == cellDelete->cellId)
1012 deleteSchCellCb(schCb[inst].cells[cellIdx]);
1015 SCH_FREE(schCb[inst].cells[cellIdx], sizeof(SchCellCb));
1016 DU_LOG("\nINFO --> SCH : Sending Cell Delete response to MAC");
1020 DU_LOG("\nERROR --> SCH : SchProcCellDeleteReq(): cell Id[%d] is not available",cellDelete->cellId);
1025 if(SchSendCellDeleteRspToMac(cellDelete, inst, result)!=ROK)
1027 DU_LOG("\nERROR --> SCH : SchProcCellDeleteReq(): failed to send Cell Delete response");
1034 /*******************************************************************
1036 * @brief Processes DL RLC BO info from MAC
1040 * Function : SchProcDlRlcBoInfo
1043 * Processes DL RLC BO info from MAC
1046 * @return ROK - success
1049 * ****************************************************************/
1050 uint8_t SchProcDlRlcBoInfo(Pst *pst, DlRlcBoInfo *dlBoInfo)
1054 bool isLcIdValid = false;
1055 SchUeCb *ueCb = NULLP;
1056 SchCellCb *cell = NULLP;
1057 Inst inst = pst->dstInst-SCH_INST_START;
1059 DU_LOG("\nDEBUG --> SCH : Received RLC BO Status indication LCId [%d] BO [%d]", dlBoInfo->lcId, dlBoInfo->dataVolume);
1060 cell = schCb[inst].cells[inst];
1064 DU_LOG("\nERROR --> SCH : SchProcDlRlcBoInfo(): Cell does not exists");
1068 GET_UE_ID(dlBoInfo->crnti, ueId);
1069 ueCb = &cell->ueCb[ueId-1];
1070 if(ueCb->ueCfg.dataTransmissionAction == STOP_DATA_TRANSMISSION)
1072 DU_LOG("INFO --> SCH : DL Data transmission not allowed for UE %d", ueCb->ueCfg.ueId);
1076 lcId = dlBoInfo->lcId;
1077 CHECK_LCID(lcId, isLcIdValid);
1078 if(isLcIdValid == FALSE)
1080 DU_LOG("ERROR --> SCH: LCID:%d is not valid", lcId);
1084 /*Expected when theres a case of Retransmission Failure or Resetablishment
1085 *By Zero BO, the RLC is informing that previous data can be cleared out
1086 *Thus clearing out the LC from the Lc priority list*/
1087 if(dlBoInfo->dataVolume == 0)
1089 /* TODO : Check the LC is Dedicated or default and accordingly LCList
1094 if(lcId == SRB0_LCID)
1096 cell->raCb[ueId -1].msg4recvd = true;
1097 cell->raCb[ueId -1].dlMsgPduLen = dlBoInfo->dataVolume;
1101 /* TODO : These part of changes will be corrected during DL scheduling as
1102 * per K0 - K1 -K2 */
1103 SET_ONE_BIT(ueId, cell->boIndBitMap);
1104 if(ueCb->dlInfo.dlLcCtxt[lcId].lcId == lcId)
1106 ueCb->dlInfo.dlLcCtxt[lcId].bo = dlBoInfo->dataVolume;
1110 DU_LOG("ERROR --> SCH: LCID:%d is not configured in SCH Cb",lcId);
1114 /* Adding UE Id to list of pending UEs to be scheduled */
1115 cell->api->SchDlRlcBoInfo(cell, ueId);
1119 /*******************************************************************
1121 * @brief Processes BSR indiation from MAC
1125 * Function : SchProcBsr
1128 * Processes DL BSR from MAC
1130 * @params[in] Pst pst
1131 * UlBufferStatusRptInd bsrInd
1132 * @return ROK - success
1135 * ****************************************************************/
1136 uint8_t SchProcBsr(Pst *pst, UlBufferStatusRptInd *bsrInd)
1138 Inst schInst = pst->dstInst-SCH_INST_START;
1139 SchCellCb *cellCb = NULLP;
1140 SchUeCb *ueCb = NULLP;
1143 DU_LOG("\nDEBUG --> SCH : Received BSR");
1146 DU_LOG("\nERROR --> SCH : BSR Ind is empty");
1149 cellCb = schCb[schInst].cells[schInst];
1152 DU_LOG("\nERROR --> SCH : CellCb is empty");
1155 ueCb = schGetUeCb(cellCb, bsrInd->crnti);
1159 DU_LOG("\nERROR --> SCH : UeCB is empty");
1163 if(ueCb->ueCfg.dataTransmissionAction == STOP_DATA_TRANSMISSION)
1165 DU_LOG("\nINFO --> SCH: UL Data transmission not allowed for UE %d", ueCb->ueCfg.ueId);
1169 ueCb->bsrRcvd = true;
1170 /* store dataVolume per lcg in uecb */
1171 for(lcgIdx = 0; lcgIdx < bsrInd->numLcg; lcgIdx++)
1173 ueCb->bsrInfo[bsrInd->dataVolInfo[lcgIdx].lcgId].priority = 1; //TODO: determining LCG priority?
1174 ueCb->bsrInfo[bsrInd->dataVolInfo[lcgIdx].lcgId].dataVol = bsrInd->dataVolInfo[lcgIdx].dataVol;
1177 /* Adding UE Id to list of pending UEs to be scheduled */
1178 cellCb->api->SchBsr(cellCb, ueCb->ueId);
1182 /*******************************************************************
1184 * @brief Processes SR UCI indication from MAC
1188 * Function : SchProcSrUciInd
1191 * Processes SR UCI indication from MAC
1193 * @params[in] Post structure
1195 * @return ROK - success
1198 * ****************************************************************/
1199 uint8_t SchProcSrUciInd(Pst *pst, SrUciIndInfo *uciInd)
1201 Inst inst = pst->dstInst-SCH_INST_START;
1204 SchCellCb *cellCb = schCb[inst].cells[inst];
1206 DU_LOG("\nDEBUG --> SCH : Received SR");
1208 ueCb = schGetUeCb(cellCb, uciInd->crnti);
1210 if(ueCb->state == SCH_UE_STATE_INACTIVE)
1212 DU_LOG("\nERROR --> SCH : Crnti %d is inactive", uciInd->crnti);
1215 if(ueCb->ueCfg.dataTransmissionAction == STOP_DATA_TRANSMISSION)
1217 DU_LOG("\nINFO --> SCH: UL Data transmission not allowed for UE %d", ueCb->ueCfg.ueId);
1220 if(uciInd->numSrBits)
1222 ueCb->srRcvd = true;
1223 /* Adding UE Id to list of pending UEs to be scheduled */
1224 cellCb->api->SchSrUciInd(cellCb, ueCb->ueId);
1229 /*******************************************************************
1231 * @brief Processes DL HARQ indication from MAC
1235 * Function : SchProcDlHarqInd
1238 * Processes DL HARQ indication from MAC
1240 * @params[in] Post structure
1241 * DL HARQ Indication
1242 * @return ROK - success
1245 * ****************************************************************/
1246 uint8_t SchProcDlHarqInd(Pst *pst, DlHarqInd *dlHarqInd)
1248 Inst inst = pst->dstInst-SCH_INST_START;
1250 SchCellCb *cellCb = schCb[inst].cells[inst];
1252 DU_LOG("\nDEBUG --> SCH : Received HARQ");
1254 ueCb = schGetUeCb(cellCb, dlHarqInd->crnti);
1256 if(ueCb->state == SCH_UE_STATE_INACTIVE)
1258 DU_LOG("\nERROR --> SCH : Crnti %d is inactive", dlHarqInd->crnti);
1262 schUpdateHarqFdbk(ueCb, dlHarqInd->numHarq, dlHarqInd->harqPayload, &dlHarqInd->slotInd);
1267 /*******************************************************************
1269 * @brief Allocates requested PRBs for DL
1273 * Function : allocatePrbDl
1276 * Allocates requested PRBs in DL
1277 * Keeps track of allocated PRB (using bitmap) and remaining PRBs
1279 * @params[in] prbAlloc table
1285 * @return ROK - success
1288 * ****************************************************************/
1289 uint8_t allocatePrbDl(SchCellCb *cell, SlotTimingInfo slotTime, \
1290 uint8_t startSymbol, uint8_t symbolLength, uint16_t *startPrb, uint16_t numPrb)
1293 uint16_t broadcastPrbStart=0, broadcastPrbEnd=0;
1294 FreePrbBlock *freePrbBlock = NULLP;
1295 CmLList *freePrbNode = NULLP;
1296 PduTxOccsaion ssbOccasion=0, sib1Occasion=0;
1297 SchDlSlotInfo *schDlSlotInfo = cell->schDlSlotInfo[slotTime.slot];
1298 SchPrbAlloc *prbAlloc = &schDlSlotInfo->prbAlloc;
1300 /* If startPrb is set to MAX_NUM_RB, it means startPrb is not known currently.
1301 * Search for an appropriate location in PRB grid and allocate requested resources */
1302 if(*startPrb == MAX_NUM_RB)
1304 /* Check if SSB/SIB1 is also scheduled in this slot */
1305 ssbOccasion = schCheckSsbOcc(cell, slotTime);
1306 sib1Occasion = schCheckSib1Occ(cell, slotTime);
1308 if(ssbOccasion && sib1Occasion)
1310 broadcastPrbStart = cell->cellCfg.ssbSchCfg.ssbOffsetPointA;
1311 broadcastPrbEnd = broadcastPrbStart + SCH_SSB_NUM_PRB + cell->cellCfg.sib1SchCfg.sib1PdcchCfg.dci.pdschCfg->pdschFreqAlloc.numPrb -1;
1313 else if(ssbOccasion)
1315 broadcastPrbStart = cell->cellCfg.ssbSchCfg.ssbOffsetPointA;
1316 broadcastPrbEnd = broadcastPrbStart + SCH_SSB_NUM_PRB -1;
1318 else if(sib1Occasion)
1320 broadcastPrbStart = cell->cellCfg.sib1SchCfg.sib1PdcchCfg.dci.pdschCfg->pdschFreqAlloc.startPrb;
1321 broadcastPrbEnd = broadcastPrbStart + cell->cellCfg.sib1SchCfg.sib1PdcchCfg.dci.pdschCfg->pdschFreqAlloc.numPrb -1;
1324 /* Iterate through all free PRB blocks */
1325 freePrbNode = prbAlloc->freePrbBlockList.first;
1328 freePrbBlock = (FreePrbBlock *)freePrbNode->node;
1330 /* If broadcast message is scheduled in this slot, then check if its PRBs belong to the current free block.
1331 * Since SSB/SIB1 PRB location is fixed, these PRBs cannot be allocated to other message in same slot */
1332 if((ssbOccasion || sib1Occasion) &&
1333 ((broadcastPrbStart >= freePrbBlock->startPrb) && (broadcastPrbStart <= freePrbBlock->endPrb)) && \
1334 ((broadcastPrbEnd >= freePrbBlock->startPrb) && (broadcastPrbEnd <= freePrbBlock->endPrb)))
1336 /* Implmentation is done such that highest-numbered free-RB is allocated first */
1337 if((freePrbBlock->endPrb > broadcastPrbEnd) && ((freePrbBlock->endPrb - broadcastPrbEnd) >= numPrb))
1339 /* If sufficient free PRBs are available above bradcast message then,
1340 * endPrb = freePrbBlock->endPrb
1341 * startPrb = endPrb - numPrb +1;
1343 *startPrb = freePrbBlock->endPrb - numPrb +1;
1346 else if((broadcastPrbStart > freePrbBlock->startPrb) && ((broadcastPrbStart - freePrbBlock->startPrb) >= numPrb))
1348 /* If free PRBs are available below broadcast message then,
1349 * endPrb = broadcastPrbStart - 1
1350 * startPrb = endPrb - numPrb +1
1352 *startPrb = broadcastPrbStart - numPrb;
1357 freePrbNode = freePrbNode->next;
1363 /* Check if requested number of blocks can be allocated from the current block */
1364 if (freePrbBlock->numFreePrb < numPrb)
1366 freePrbNode = freePrbNode->next;
1369 *startPrb = freePrbBlock->endPrb - numPrb +1;
1374 /* If no free block can be used to allocated request number of RBs */
1375 if(*startPrb == MAX_NUM_RB)
1379 /* If startPrb is known already, check if requested PRBs are available for allocation */
1382 freePrbNode = isPrbAvailable(&prbAlloc->freePrbBlockList, *startPrb, numPrb);
1385 DU_LOG("\nERROR --> SCH: Requested DL PRB unavailable");
1390 /* Update bitmap to allocate PRBs */
1391 for(symbol=startSymbol; symbol < (startSymbol+symbolLength); symbol++)
1393 if(fillPrbBitmap(prbAlloc->prbBitMap[symbol], *startPrb, numPrb) != ROK)
1395 DU_LOG("\nERROR --> SCH: fillPrbBitmap() failed for symbol [%d] in DL", symbol);
1400 /* Update the remaining number for free PRBs */
1401 removeAllocatedPrbFromFreePrbList(&prbAlloc->freePrbBlockList, freePrbNode, *startPrb, numPrb);
1406 /*******************************************************************
1408 * @brief Allocates requested PRBs for UL
1412 * Function : allocatePrbUl
1415 * Allocates requested PRBs in UL
1416 * Keeps track of allocated PRB (using bitmap) and remaining PRBs
1418 * @params[in] prbAlloc table
1424 * @return ROK - success
1427 * ****************************************************************/
1428 uint8_t allocatePrbUl(SchCellCb *cell, SlotTimingInfo slotTime, \
1429 uint8_t startSymbol, uint8_t symbolLength, uint16_t *startPrb, uint16_t numPrb)
1432 uint16_t prachStartPrb, prachNumPrb, prachEndPrb;
1433 bool isPrachOccasion;
1434 FreePrbBlock *freePrbBlock = NULLP;
1435 CmLList *freePrbNode = NULLP;
1436 SchPrbAlloc *prbAlloc = NULLP;
1440 DU_LOG("\nERROR --> SCH : allocatePrbUl(): Received cellCb is null");
1444 prbAlloc = &cell->schUlSlotInfo[slotTime.slot]->prbAlloc;
1445 /* If startPrb is set to MAX_NUM_RB, it means startPrb is not known currently.
1446 * Search for an appropriate location in PRB grid and allocate requested resources */
1447 if(*startPrb == MAX_NUM_RB)
1449 /* Check if PRACH is also scheduled in this slot */
1450 isPrachOccasion = schCheckPrachOcc(cell, slotTime);
1453 prachStartPrb = cell->cellCfg.schRachCfg.msg1FreqStart;
1454 prachNumPrb = schCalcPrachNumRb(cell);
1455 prachEndPrb = prachStartPrb + prachNumPrb -1;
1458 /* Iterate through all free PRB blocks */
1459 freePrbNode = prbAlloc->freePrbBlockList.first;
1462 freePrbBlock = (FreePrbBlock *)freePrbNode->node;
1464 /* If PRACH is scheduled in this slot, then check if its PRBs belong to the current free block.
1465 * PRBs required for PRACH cannot be allocated to any other message */
1466 if((isPrachOccasion) &&
1467 ((prachStartPrb >= freePrbBlock->startPrb) && (prachStartPrb <= freePrbBlock->endPrb)) &&
1468 ((prachEndPrb >= freePrbBlock->startPrb) && (prachEndPrb <= freePrbBlock->endPrb)))
1470 /* Implmentation is done such that highest-numbered free-RB is allocated first */
1471 if((freePrbBlock->endPrb > prachEndPrb) && ((freePrbBlock->endPrb - prachEndPrb) >= numPrb))
1473 /* If sufficient free PRBs are available above PRACH message then,
1474 * endPrb = freePrbBlock->endPrb
1475 * startPrb = endPrb - numPrb +1;
1477 *startPrb = freePrbBlock->endPrb - numPrb +1;
1480 else if((prachStartPrb > freePrbBlock->startPrb) && ((prachStartPrb - freePrbBlock->startPrb) >= numPrb))
1482 /* If free PRBs are available below PRACH message then,
1483 * endPrb = prachStartPrb - 1
1484 * startPrb = endPrb - numPrb +1
1486 *startPrb = prachStartPrb - numPrb;
1491 freePrbNode = freePrbNode->next;
1497 /* Check if requested number of PRBs can be allocated from currect block */
1498 if(freePrbBlock->numFreePrb < numPrb)
1500 freePrbNode = freePrbNode->next;
1503 *startPrb = freePrbBlock->endPrb - numPrb +1;
1508 /* If no free block can be used to allocated requested number of RBs */
1509 if(*startPrb == MAX_NUM_RB)
1514 /* If startPrb is known already, check if requested PRBs are available for allocation */
1515 freePrbNode = isPrbAvailable(&prbAlloc->freePrbBlockList, *startPrb, numPrb);
1518 DU_LOG("\nERROR --> SCH: Requested UL PRB unavailable");
1523 /* Update bitmap to allocate PRBs */
1524 for(symbol=startSymbol; symbol < (startSymbol+symbolLength); symbol++)
1526 if(fillPrbBitmap(prbAlloc->prbBitMap[symbol], *startPrb, numPrb) != ROK)
1528 DU_LOG("\nERROR --> SCH: fillPrbBitmap() failed for symbol [%d] in UL", symbol);
1533 /* Update the remaining number for free PRBs */
1534 removeAllocatedPrbFromFreePrbList(&prbAlloc->freePrbBlockList, freePrbNode, *startPrb, numPrb);
1539 /*******************************************************************************
1541 * @brief Try to find Best Free Block with Max Num PRB
1545 * Function : searchLargestFreeBlock
1548 * Finds the FreeBlock with MaxNum of FREE PRB considering SSB/SIB1 ocassions.
1550 * @params[in] I/P > prbAlloc table (FreeBlock list)
1551 * I/P > Slot timing Info
1553 * I/P > Direction (UL/DL)
1556 * @return Max Number of Free PRB
1557 * If 0, then no Suitable Free Block
1559 * ********************************************************************************/
1561 uint16_t searchLargestFreeBlock(SchCellCb *cell, SlotTimingInfo slotTime,uint16_t *startPrb, Direction dir)
1563 uint16_t reservedPrbStart=0, reservedPrbEnd=0, maxFreePRB = 0;
1564 FreePrbBlock *freePrbBlock = NULLP;
1565 CmLList *freePrbNode = NULLP;
1566 SchPrbAlloc *prbAlloc = NULLP;
1567 bool checkOccasion = FALSE;
1569 *startPrb = 0; /*Initialize the StartPRB to zero*/
1571 /*Based on Direction, Reserved Messsages will differi.e.
1572 * DL >> SSB and SIB1 ocassions wheres for UL, PRACH ocassions to be checked
1573 * and reserved before allocation for dedicated DL/UL msg*/
1576 SchDlSlotInfo *schDlSlotInfo = cell->schDlSlotInfo[slotTime.slot];
1577 PduTxOccsaion ssbOccasion=0, sib1Occasion=0;
1579 prbAlloc = &schDlSlotInfo->prbAlloc;
1581 ssbOccasion = schCheckSsbOcc(cell, slotTime);
1582 sib1Occasion = schCheckSib1Occ(cell, slotTime);
1584 checkOccasion = TRUE;
1585 if(ssbOccasion && sib1Occasion)
1587 reservedPrbStart = cell->cellCfg.ssbSchCfg.ssbOffsetPointA;
1588 reservedPrbEnd = reservedPrbStart + SCH_SSB_NUM_PRB + \
1589 cell->cellCfg.sib1SchCfg.sib1PdcchCfg.dci.pdschCfg->pdschFreqAlloc.numPrb -1;
1591 else if(ssbOccasion)
1593 reservedPrbStart = cell->cellCfg.ssbSchCfg.ssbOffsetPointA;
1594 reservedPrbEnd = reservedPrbStart + SCH_SSB_NUM_PRB -1;
1596 else if(sib1Occasion)
1598 reservedPrbStart = cell->cellCfg.sib1SchCfg.sib1PdcchCfg.dci.pdschCfg->pdschFreqAlloc.startPrb;
1599 reservedPrbEnd = reservedPrbStart + cell->cellCfg.sib1SchCfg.sib1PdcchCfg.dci.pdschCfg->pdschFreqAlloc.numPrb -1;
1603 checkOccasion = FALSE;
1606 else if(dir == DIR_UL)
1608 prbAlloc = &cell->schUlSlotInfo[slotTime.slot]->prbAlloc;
1610 /* Check if PRACH is also scheduled in this slot */
1611 checkOccasion = schCheckPrachOcc(cell, slotTime);
1614 reservedPrbStart = cell->cellCfg.schRachCfg.msg1FreqStart;
1615 reservedPrbEnd = reservedPrbStart + (schCalcPrachNumRb(cell)) -1;
1620 DU_LOG("\nERROR --> SCH: Invalid Direction!");
1621 return (maxFreePRB);
1624 freePrbNode = prbAlloc->freePrbBlockList.first;
1627 freePrbBlock = (FreePrbBlock *)freePrbNode->node;
1629 /*For block with same numFreeBlocks, choose the one with HighestPRB range
1630 *Since FreeBLockList are arranged in Descending order of PRB range thus Skipping this block*/
1631 if(maxFreePRB >= freePrbBlock->numFreePrb)
1634 freePrbNode = freePrbNode->next;
1638 /* If Broadcast/Prach message is scheduled in this slot, then check if its PRBs belong to the current free block.
1639 * Since SSB/SIB1 PRB location is fixed, these PRBs cannot be allocated to other message in same slot */
1641 ((reservedPrbStart >= freePrbBlock->startPrb) && (reservedPrbStart <= freePrbBlock->endPrb)) && \
1642 ((reservedPrbEnd >= freePrbBlock->startPrb) && (reservedPrbEnd <= freePrbBlock->endPrb)))
1645 /* Implmentation is done such that highest-numbered free-RB is Checked first
1646 and freePRB in this block is greater than Max till now */
1647 if((freePrbBlock->endPrb > reservedPrbEnd) && ((freePrbBlock->endPrb - reservedPrbEnd) > maxFreePRB))
1649 /* If sufficient free PRBs are available above reserved message*/
1650 *startPrb = reservedPrbEnd + 1;
1651 maxFreePRB = (freePrbBlock->endPrb - reservedPrbEnd);
1653 /*Also check the other freeBlock (i.e. Above the reserved message) for MAX FREE PRB*/
1654 if((reservedPrbStart > freePrbBlock->startPrb) && ((reservedPrbStart - freePrbBlock->startPrb) > maxFreePRB))
1656 /* If free PRBs are available below reserved message*/
1657 *startPrb = freePrbBlock->startPrb;
1658 maxFreePRB = (reservedPrbStart - freePrbBlock->startPrb);
1663 if(maxFreePRB < freePrbBlock->numFreePrb)
1665 *startPrb = freePrbBlock->startPrb;
1666 maxFreePRB = freePrbBlock->numFreePrb;
1670 freePrbNode = freePrbNode->next;
1675 /*******************************************************************************
1677 * @brief This function is used to send Slice Cfg rsp to MAC
1681 * Function : SchSendSliceCfgRspToMac
1684 * function is used to send Slice Cfg rsp to MAC
1686 * @params[in] Pst *pst, SchSliceCfgRsp sliceCfgRsp
1690 * ********************************************************************************/
1691 void SchSendSliceCfgRspToMac(Inst inst, SchSliceCfgRsp sliceCfgRsp)
1695 memset(&rspPst, 0, sizeof(Pst));
1696 FILL_PST_SCH_TO_MAC(rspPst, inst);
1697 rspPst.event = EVENT_SLICE_CFG_RSP_TO_MAC;
1699 MacMessageRouter(&rspPst, (void *)&sliceCfgRsp);
1702 /*******************************************************************************
1704 * @brief fill slice configuration response
1708 * Function : fillSliceCfgRsp
1711 * fill slice configuration response
1713 * @params[in] SchCellCb, SchSliceCfgReq, SchSliceCfgRsp,uint8_t count
1719 * ********************************************************************************/
1720 uint8_t fillSliceCfgRsp(bool sliceRecfg, SchSliceCfg *storedSliceCfg, SchCellCb *cellCb, SchSliceCfgReq *schSliceCfgReq, SchSliceCfgRsp *schSliceCfgRsp, uint8_t *count)
1722 bool sliceFound = false;
1723 uint8_t cfgIdx = 0, sliceIdx = 0;
1725 schSliceCfgRsp->numSliceCfgRsp = schSliceCfgReq->numOfConfiguredSlice;
1726 SCH_ALLOC(schSliceCfgRsp->listOfSliceCfgRsp, schSliceCfgRsp->numSliceCfgRsp * sizeof(SliceRsp*));
1727 if(schSliceCfgRsp->listOfSliceCfgRsp == NULLP)
1729 DU_LOG("\nERROR --> SCH : Memory allocation failed at fillSliceCfgRsp");
1733 for(cfgIdx = 0; cfgIdx<schSliceCfgRsp->numSliceCfgRsp ; cfgIdx++)
1736 /* Here comparing the slice cfg request with the slice stored in cellCfg */
1737 if(sliceRecfg != true)
1739 for(sliceIdx = 0; sliceIdx<cellCb->cellCfg.plmnInfoList.numSliceSupport; sliceIdx++)
1741 if(!memcmp(&schSliceCfgReq->listOfSlices[cfgIdx]->snssai, cellCb->cellCfg.plmnInfoList.snssai[sliceIdx], sizeof(Snssai)))
1751 /* Here comparing the slice cfg request with the slice stored in SchDb */
1752 if(storedSliceCfg->listOfSlices)
1754 for(sliceIdx = 0; sliceIdx<storedSliceCfg->numOfSliceConfigured; sliceIdx++)
1756 if(!memcmp(&schSliceCfgReq->listOfSlices[cfgIdx]->snssai, &storedSliceCfg->listOfSlices[sliceIdx]->snssai,\
1767 SCH_ALLOC(schSliceCfgRsp->listOfSliceCfgRsp[cfgIdx], sizeof(SliceRsp));
1768 if(schSliceCfgRsp->listOfSliceCfgRsp[cfgIdx] == NULLP)
1770 DU_LOG("\nERROR --> SCH : Failed to allocate memory in fillSliceCfgRsp");
1775 schSliceCfgRsp->listOfSliceCfgRsp[cfgIdx]->snssai = schSliceCfgReq->listOfSlices[cfgIdx]->snssai;
1776 if(sliceFound == true)
1777 schSliceCfgRsp->listOfSliceCfgRsp[cfgIdx]->rsp = RSP_OK;
1780 schSliceCfgRsp->listOfSliceCfgRsp[cfgIdx]->rsp = RSP_NOK;
1781 schSliceCfgRsp->listOfSliceCfgRsp[cfgIdx]->cause = SLICE_NOT_FOUND;
1787 /*******************************************************************************
1789 * @brief This function is used to store the slice configuration Sch DB
1793 * Function : addSliceCfgInSchDb
1796 * function is used to store the slice configuration Sch DB
1798 * @params[in] SchSliceCfg *storeSliceCfg, SchSliceCfgReq *cfgReq,
1799 * SchSliceCfgRsp cfgRsp, uint8_t count
1805 * ********************************************************************************/
1806 uint8_t addSliceCfgInSchDb(SchSliceCfg *storeSliceCfg, SchSliceCfgReq *cfgReq, SchSliceCfgRsp cfgRsp, uint8_t count)
1808 uint8_t cfgIdx = 0, sliceIdx = 0;
1812 storeSliceCfg->numOfSliceConfigured = count;
1813 SCH_ALLOC(storeSliceCfg->listOfSlices, storeSliceCfg->numOfSliceConfigured * sizeof(SchRrmPolicyOfSlice*));
1814 if(storeSliceCfg->listOfSlices == NULLP)
1816 DU_LOG("\nERROR --> SCH : Failed to allocate memory in addSliceCfgInSchDb");
1820 for(cfgIdx = 0; cfgIdx<storeSliceCfg->numOfSliceConfigured; cfgIdx++)
1822 if(cfgRsp.listOfSliceCfgRsp[cfgIdx]->rsp == RSP_OK)
1824 SCH_ALLOC(storeSliceCfg->listOfSlices[sliceIdx], sizeof(SchRrmPolicyOfSlice));
1825 if(storeSliceCfg->listOfSlices[sliceIdx] == NULLP)
1827 DU_LOG("\nERROR --> SCH : Failed to allocate memory in addSliceCfgInSchDb");
1831 memcpy(&storeSliceCfg->listOfSlices[sliceIdx]->snssai, &cfgReq->listOfSlices[sliceIdx]->snssai, sizeof(Snssai));
1832 memcpy(&storeSliceCfg->listOfSlices[sliceIdx]->rrmPolicyRatioInfo, &cfgReq->listOfSlices[sliceIdx]->rrmPolicyRatioInfo,
1833 sizeof(SchRrmPolicyRatio));
1841 /*******************************************************************************
1843 * @brief This function is used to free the slice cfg and re cfg request pointer
1847 * Function : freeSchSliceCfgReq
1850 * function is used to free the slice cfg and re cfg request pointer
1852 * @params[in] Pst *pst, SchSliceCfgReq *schSliceCfgReq
1857 * ********************************************************************************/
1858 void freeSchSliceCfgReq(SchSliceCfgReq *sliceCfgReq)
1864 if(sliceCfgReq->numOfConfiguredSlice)
1866 for(cfgIdx = 0; cfgIdx<sliceCfgReq->numOfConfiguredSlice; cfgIdx++)
1868 if(sliceCfgReq->listOfSlices[cfgIdx])
1870 SCH_FREE(sliceCfgReq->listOfSlices[cfgIdx], sizeof(SchRrmPolicyOfSlice));
1873 SCH_FREE(sliceCfgReq->listOfSlices, sliceCfgReq->numOfConfiguredSlice * sizeof(SchRrmPolicyOfSlice*));
1875 SCH_FREE(sliceCfgReq, sizeof(SchSliceCfgReq));
1878 /*******************************************************************************
1880 * @brief This function is used to store the slice configuration Sch DB
1884 * Function : SchProcSliceCfgReq
1887 * function is used to store the slice configuration Sch DB
1889 * @params[in] Pst *pst, SchSliceCfgReq *schSliceCfgReq
1895 * ********************************************************************************/
1896 uint8_t SchProcSliceCfgReq(Pst *pst, SchSliceCfgReq *schSliceCfgReq)
1899 Inst inst = pst->dstInst - SCH_INST_START;
1900 SchSliceCfgRsp sliceCfgRsp;
1902 DU_LOG("\nINFO --> SCH : Received Slice Cfg request from MAC");
1905 if(schSliceCfgReq->listOfSlices)
1907 /* filling the slice configuration response of each slice */
1908 if(fillSliceCfgRsp(false, NULLP, schCb[inst].cells[0], schSliceCfgReq, &sliceCfgRsp, &count) != ROK)
1910 DU_LOG("\nERROR --> SCH : Failed to fill the slice cfg rsp");
1914 if(addSliceCfgInSchDb(&schCb[inst].sliceCfg, schSliceCfgReq, sliceCfgRsp, count) != ROK)
1916 DU_LOG("\nERROR --> SCH : Failed to add slice cfg in sch database");
1919 freeSchSliceCfgReq(schSliceCfgReq);
1920 SchSendSliceCfgRspToMac(inst, sliceCfgRsp);
1925 DU_LOG("\nERROR --> SCH : Received SchSliceCfgReq is NULL");
1930 /*******************************************************************************
1932 * @brief This function is used to store the slice reconfiguration Sch DB
1936 * Function : modifySliceCfgInSchDb
1939 * function is used to store the slice re configuration Sch DB
1941 * @params[in] Pst *pst, SchSliceCfgReq *schSliceCfgReq
1947 * ********************************************************************************/
1948 uint8_t modifySliceCfgInSchDb(SchSliceCfg *storeSliceCfg, SchSliceRecfgReq *recfgReq, SchSliceRecfgRsp recfgRsp, uint8_t count)
1950 uint8_t cfgIdx = 0, sliceIdx = 0;
1954 if(storeSliceCfg->listOfSlices == NULLP)
1956 DU_LOG("\nINFO --> SCH : Memory allocation failed in modifySliceCfgInSchDb");
1960 for(cfgIdx = 0; cfgIdx<recfgReq->numOfConfiguredSlice; cfgIdx++)
1962 if(recfgRsp.listOfSliceCfgRsp[cfgIdx]->rsp == RSP_OK)
1964 for(sliceIdx = 0; sliceIdx<storeSliceCfg->numOfSliceConfigured; sliceIdx++)
1966 if(!memcmp(&storeSliceCfg->listOfSlices[sliceIdx]->snssai, &recfgReq->listOfSlices[cfgIdx]->snssai, sizeof(Snssai)))
1968 memcpy(&storeSliceCfg->listOfSlices[sliceIdx]->rrmPolicyRatioInfo, &recfgReq->listOfSlices[cfgIdx]->rrmPolicyRatioInfo,
1969 sizeof(SchRrmPolicyRatio));
1976 freeSchSliceCfgReq(recfgReq);
1979 /*******************************************************************************
1981 * @brief This function is used to send Slice re Cfg rsp to MAC
1985 * Function : SchSendSliceRecfgRspToMac
1988 * function is used to send Slice re Cfg rsp to MAC
1990 * @params[in] Pst *pst, SchSliceRecfgRsp schSliceRecfgRsp
1994 * ********************************************************************************/
1995 void SchSendSliceRecfgRspToMac(Inst inst, SchSliceRecfgRsp schSliceRecfgRsp)
1999 memset(&rspPst, 0, sizeof(Pst));
2000 FILL_PST_SCH_TO_MAC(rspPst, inst);
2001 rspPst.event = EVENT_SLICE_RECFG_RSP_TO_MAC;
2003 MacMessageRouter(&rspPst, (void *)&schSliceRecfgRsp);
2005 /*******************************************************************************
2007 * @brief This function is used to store the slice reconfiguration Sch DB
2011 * Function : SchProcSliceRecfgReq
2014 * function is used to store the slice re configuration Sch DB
2016 * @params[in] Pst *pst, SchSliceRecfgReq *schSliceRecfgReq
2022 * ********************************************************************************/
2023 uint8_t SchProcSliceRecfgReq(Pst *pst, SchSliceRecfgReq *schSliceRecfgReq)
2026 Inst inst = pst->dstInst - SCH_INST_START;
2027 SchSliceRecfgRsp schSliceRecfgRsp;
2029 DU_LOG("\nINFO --> SCH : Received Slice ReCfg request from MAC");
2030 if(schSliceRecfgReq)
2032 if(schSliceRecfgReq->listOfSlices)
2034 /* filling the slice configuration response of each slice */
2035 if(fillSliceCfgRsp(true, &schCb[inst].sliceCfg, NULLP, schSliceRecfgReq, &schSliceRecfgRsp, &count) != ROK)
2037 DU_LOG("\nERROR --> SCH : Failed to fill sch slice cfg response");
2041 /* Modify the slice configuration stored in schCb */
2042 if(modifySliceCfgInSchDb(&schCb[inst].sliceCfg, schSliceRecfgReq, schSliceRecfgRsp, count) != ROK)
2044 DU_LOG("\nERROR --> SCH : Failed to modify slice cfg of SchDb");
2047 SchSendSliceRecfgRspToMac(inst, schSliceRecfgRsp);
2052 DU_LOG("\nERROR --> SCH : Received SchSliceRecfgReq is NULL");
2057 /****************************************************************************
2059 * @brief Stores the Paging Configuration from DU APP in CellCb
2063 * Function : schProcPagingParam
2066 * Process the Paging Configuration when FirstPDCCHMonitoring for
2067 * Paging Ocassion is not present.
2069 * As per 38.304 Sec 7.1,
2070 * "When firstPDCCH-MonitoringOccasionOfPO is present, the
2071 * starting PDCCH monitoring occasion number of (i_s + 1)th PO is the
2072 * (i_s + 1)th value of the firstPDCCHMonitoringOccasionOfPO
2073 * parameter; otherwise, it is equal to i_s * S."
2074 * "S = number of actual transmitted SSBs determined according
2075 * to ssb-PositionsInBurst in SIB1"
2077 * @params[in] SchCellCb *cell
2081 *************************************************************************/
2082 void schProcPagingCfg(SchCellCb *cell)
2084 PageCfg *pageCfgRcvd = NULL;
2087 pageCfgRcvd = &(cell->cellCfg.sib1SchCfg.pageCfg);
2089 if(pageCfgRcvd->poPresent == TRUE)
2091 /*Fetching first Pdcch Monitoring Occasion for SFN (i_s + 1)th*/
2092 for(i_sIdx = 0; i_sIdx < pageCfgRcvd->numPO; i_sIdx++)
2094 cell->pageCb.pagMonOcc[i_sIdx].pagingOccSlot = pageCfgRcvd->pagingOcc[i_sIdx] / MAX_SYMB_PER_SLOT ;
2095 if ((pageCfgRcvd->pagingOcc[i_sIdx] % MAX_SYMB_PER_SLOT) != 0 )
2097 cell->pageCb.pagMonOcc[i_sIdx].pagingOccSlot++;
2100 cell->pageCb.pagMonOcc[i_sIdx].frameOffset = 0;
2106 schCfgPdcchMonOccOfPO(cell);
2110 /****************************************************************************
2112 * @brief Calculate PO if not present in Configuration
2116 * Function : schCfgPdcchMonOccOfPO
2118 * Functionality: In this function, PO are calculated i_s * S because
2119 * FirstPDCCHMonitoring_ForPO is not present.
2121 * @params[in] SchCellCb *cellCb
2125 *************************************************************************/
2126 void schCfgPdcchMonOccOfPO(SchCellCb *cell)
2128 uint8_t cnt = 0, incr = 1, i_sIdx = 0, frameOffSet = 0;
2129 uint8_t nsValue = cell->cellCfg.sib1SchCfg.pageCfg.numPO;
2130 uint8_t totalNumSsb = cell->cellCfg.ssbSchCfg.totNumSsb;
2131 SlotTimingInfo tmpTimingInfo, pdcchTime;
2133 /*Starting with First Sfn and slot*/
2134 tmpTimingInfo.sfn = 0;
2135 tmpTimingInfo.slot = 0;
2137 pdcchTime = tmpTimingInfo;
2139 while(i_sIdx < nsValue)
2141 /*Increment frame Offset if PO falls on next SFN*/
2142 if(pdcchTime.sfn != tmpTimingInfo.sfn)
2146 pdcchTime = tmpTimingInfo;
2147 schIncrSlot(&(tmpTimingInfo), incr, cell->numSlots);
2151 cell->pageCb.pagMonOcc[i_sIdx].pagingOccSlot = pdcchTime.slot;
2152 cell->pageCb.pagMonOcc[i_sIdx].frameOffset = frameOffSet;
2158 if((cnt == totalNumSsb) && (i_sIdx < MAX_PO_PER_PF))
2160 cell->pageCb.pagMonOcc[i_sIdx].pagingOccSlot = pdcchTime.slot;
2161 cell->pageCb.pagMonOcc[i_sIdx].frameOffset = frameOffSet;
2169 /****************************************************************************
2171 * @brief Storing the paging information in SCH database
2175 * Function : schAddPagingIndtoList
2177 * Functionality: Storing the paging information in SCH database
2179 * @params[in] CmLListCp *storedPageList, CmLList *pageIndInfo
2181 * @return ROK - sucess
2184 *************************************************************************/
2185 uint8_t schAddPagingIndtoList(CmLListCp *storedPageList,void * pageIndInfo)
2187 CmLList *firstNodeOfList = NULLP;
2188 CmLList *currentNodeInfo = NULLP;
2189 SchPageInfo *tempNode = NULLP, *recvdNode = NULLP;
2191 recvdNode = (SchPageInfo*) pageIndInfo;
2192 CM_LLIST_FIRST_NODE(storedPageList,firstNodeOfList);
2194 SCH_ALLOC(currentNodeInfo, sizeof(CmLList));
2195 if(!currentNodeInfo)
2197 DU_LOG("\nERROR --> SCH : schAddPagingIndtoList() : Memory allocation failed");
2201 currentNodeInfo->node = (PTR)pageIndInfo;
2202 while(firstNodeOfList)
2204 tempNode = (SchPageInfo*)(firstNodeOfList->node);
2205 if ((recvdNode->pageTxTime.slot < tempNode->pageTxTime.slot))
2207 cmLListInsCrnt(storedPageList, currentNodeInfo);
2210 else if ((recvdNode->pageTxTime.slot == tempNode->pageTxTime.slot))
2212 DU_LOG("\nERROR --> SCH : schAddPagingIndtoList() : Slot[%d] is already present in the list", recvdNode->pageTxTime.slot);
2217 CM_LLIST_NEXT_NODE(storedPageList, firstNodeOfList);
2221 if(!firstNodeOfList)
2223 cmLListAdd2Tail(storedPageList, currentNodeInfo);
2225 DU_LOG("\nDEBUG --> SCH : Paging information is stored successfully for PF:%d, Slot:%d",\
2226 recvdNode->pageTxTime.sfn, recvdNode->pageTxTime.slot);
2230 /****************************************************************************
2232 * @brief Process paging indication at SCH recevied form MAC
2236 * Function : SchProcPagingInd
2238 * Functionality: Process paging indication at SCH recevied form MAC
2240 * @params[in] Pst *pst, SchPageInd *pageInd
2244 *************************************************************************/
2245 uint8_t SchProcPagingInd(Pst *pst, SchPageInd *pageInd)
2247 uint8_t ret = RFAILED;
2248 uint16_t cellIdx = 0;
2249 Inst inst = pst->dstInst - SCH_INST_START;
2250 SchCellCb *cellCb = NULLP;
2251 SchPageInfo *pageInfo = NULLP;
2255 DU_LOG("\nDEBUG --> SCH : Received paging indication from MAC for cellId[%d]",\
2259 for(cellIdx = 0; cellIdx < MAX_NUM_CELL; cellIdx++)
2261 if((schCb[inst].cells[cellIdx]) && (schCb[inst].cells[cellIdx]->cellId == pageInd->cellId))
2263 cellCb = schCb[inst].cells[cellIdx];
2269 if(pageInd->i_s > cellCb->cellCfg.sib1SchCfg.pageCfg.numPO)
2271 DU_LOG("\nERROR --> SCH : SchProcPagingInd(): i_s should not be greater than number of paging occasion");
2275 SCH_ALLOC(pageInfo, sizeof(SchPageInfo));
2278 pageInfo->pf = pageInd->pf;
2279 pageInfo->i_s = pageInd->i_s;
2280 pageInfo->pageTxTime.cellId = pageInd->cellId;
2281 pageInfo->pageTxTime.sfn = (pageInd->pf + cellCb->pageCb.pagMonOcc[pageInd->i_s].frameOffset) % MAX_SFN;
2282 pageInfo->pageTxTime.slot = cellCb->pageCb.pagMonOcc[pageInd->i_s].pagingOccSlot;
2283 pageInfo->mcs = DEFAULT_MCS;
2284 pageInfo->msgLen = pageInd->pduLen;
2285 SCH_ALLOC(pageInfo->pagePdu, pageInfo->msgLen);
2286 if(!pageInfo->pagePdu)
2288 DU_LOG("\nERROR --> SCH : SchProcPagingInd(): Failed to allocate memory");
2292 memcpy(pageInfo->pagePdu, pageInd->pagePdu, pageInfo->msgLen);
2293 ret = schAddPagingIndtoList(&cellCb->pageCb.pageIndInfoRecord[pageInfo->pageTxTime.sfn], pageInfo);
2296 DU_LOG("\nERROR --> SCH : SchProcPagingInd(): Failed to store paging record");
2302 DU_LOG("\nERROR --> SCH : SchProcPagingInd(): Failed to allocate memory");
2308 DU_LOG("\nERROR --> SCH : Cell ID [%d] not found", pageInd->cellId);
2310 SCH_FREE(pageInd->pagePdu, pageInd->pduLen);
2311 SCH_FREE(pageInd, sizeof(SchPageInd));
2315 DU_LOG("\nERROR --> SCH : SchProcPagingInd(): Received null pointer");
2321 /***********************************************************
2323 * Func : SchFillCfmPst
2326 * Desc : Fills the Confirmation Post Structure cfmPst using the reqPst
2327 * and the cfm->hdr.response.
2334 * File : rg_sch_lmm.c
2336 **********************************************************/
2346 inst = (reqPst->dstInst - SCH_INST_START);
2348 cfmPst->srcEnt = ENTMAC;
2349 cfmPst->srcInst = (Inst) 1;
2350 cfmPst->srcProcId = schCb[inst].schInit.procId;
2351 cfmPst->dstEnt = ENTMAC;
2352 cfmPst->dstInst = (Inst) 0;
2353 cfmPst->dstProcId = reqPst->srcProcId;
2355 cfmPst->selector = cfm->hdr.response.selector;
2356 cfmPst->region = cfm->hdr.response.mem.region;
2357 cfmPst->pool = cfm->hdr.response.mem.pool;
2362 /**********************************************************************
2364 **********************************************************************/