X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?a=blobdiff_plain;f=src%2F5gnrsch%2Fsch_common.c;h=2d0370202fcc70e0d8820aa5599ada9fce29daa0;hb=38ebc92a011353b8b2d9401efa4173c79114fa1c;hp=15543a1d419d2ec61013f492c536b8afd20548f0;hpb=8e6123e23f6d831b1fe972f8229e9594a2e92237;p=o-du%2Fl2.git diff --git a/src/5gnrsch/sch_common.c b/src/5gnrsch/sch_common.c index 15543a1d4..2d0370202 100644 --- a/src/5gnrsch/sch_common.c +++ b/src/5gnrsch/sch_common.c @@ -320,12 +320,14 @@ uint8_t fillUlSchedPucchFormat(uint8_t pucchFormat, SchPucchInfo *ulSchedPucch,\ * @return void **/ -uint8_t fillUlSchedPucchDedicatedCfg(uint16_t numSlots, SchPucchCfg *pucchDedCfg,\ +uint8_t fillUlSchedPucchDedicatedCfg(SchCellCb *cell, SchPucchCfg *pucchDedCfg,\ SlotTimingInfo *slotInfo, SchPucchInfo *ulSchedPucch) { uint8_t ret, resrcSetIdx, resrcIdx, schedReqIdx, srPeriodicity = 0; uint16_t srOffset = 0; - + uint16_t numSlots = cell->numSlots; + bool isAllocated = false; + uint16_t pucchStartPrb; ret = ROK; if(pucchDedCfg->resrcSet && pucchDedCfg->resrc) { @@ -335,20 +337,31 @@ uint8_t fillUlSchedPucchDedicatedCfg(uint16_t numSlots, SchPucchCfg *pucchDedCfg for(resrcIdx = 0; resrcIdx < pucchDedCfg->resrc->resrcToAddModListCount; resrcIdx++) { if(pucchDedCfg->resrcSet->resrcSetToAddModList[resrcSetIdx].resrcList[resrcSetIdx] ==\ - pucchDedCfg->resrc->resrcToAddModList[resrcIdx].resrcId) - { + pucchDedCfg->resrc->resrcToAddModList[resrcIdx].resrcId) + { ulSchedPucch->intraFreqHop = pucchDedCfg->resrc->resrcToAddModList[resrcIdx].intraFreqHop; ulSchedPucch->secondPrbHop = pucchDedCfg->resrc->resrcToAddModList[resrcIdx].secondPrbHop; ulSchedPucch->fdAlloc.startPrb = pucchDedCfg->resrc->resrcToAddModList[resrcIdx].startPrb; - ulSchedPucch->pucchFormat = pucchDedCfg->resrc->resrcToAddModList[resrcIdx].pucchFormat; - ret = fillUlSchedPucchFormat(ulSchedPucch->pucchFormat, ulSchedPucch,\ - &pucchDedCfg->resrc->resrcToAddModList[resrcIdx], NULLP); - if(ret == RFAILED) - return ret; - } + ulSchedPucch->pucchFormat = pucchDedCfg->resrc->resrcToAddModList[resrcIdx].pucchFormat; + ret = fillUlSchedPucchFormat(ulSchedPucch->pucchFormat, ulSchedPucch,\ + &pucchDedCfg->resrc->resrcToAddModList[resrcIdx], NULLP); + if(ret == RFAILED) + return ret; + + pucchStartPrb = pucchDedCfg->resrc->resrcToAddModList[resrcIdx].startPrb; + ret = allocatePrbUl(cell, *slotInfo, ulSchedPucch->tdAlloc.startSymb, ulSchedPucch->tdAlloc.numSymb, &pucchStartPrb, PUCCH_NUM_PRB_FORMAT_0_1_4); + if(ret == ROK) + { + isAllocated = true; + break; + } + } } + if(isAllocated) + break; } } + if(pucchDedCfg->format1) { memset(&ulSchedPucch->cmnFormatCfg, 0, sizeof(SchPucchFormatCfg)); @@ -356,7 +369,12 @@ uint8_t fillUlSchedPucchDedicatedCfg(uint16_t numSlots, SchPucchCfg *pucchDedCfg if(ret == RFAILED) return ret; } - + + if(!isAllocated) + { + return RFAILED; + } + /* setting SR and UCI flag */ if(pucchDedCfg->schedReq) { @@ -388,19 +406,21 @@ uint8_t fillUlSchedPucchDedicatedCfg(uint16_t numSlots, SchPucchCfg *pucchDedCfg * @return ROK/RFAILED **/ -uint16_t fillPucchResourceInfo(SchPucchInfo *schPucchInfo, Inst inst) +uint16_t fillPucchResourceInfo(SchPucchInfo *schPucchInfo, Inst inst, SlotTimingInfo slotInfo) { - uint8_t ret = ROK, ueIdx = 0, pucchIdx = 0; + uint8_t ret = ROK, ueId = 0, ueIdx = 0, pucchIdx = 0; SchCellCb *cell = schCb[inst].cells[inst]; SchPucchCfgCmn *pucchCfg = NULLP; SchBwpParams *ulBwp = NULLP; + uint16_t startPrb; - GET_UE_IDX(schPucchInfo->rnti, ueIdx); + GET_UE_ID(schPucchInfo->rnti, ueId); + ueIdx = ueId -1; if(cell->ueCb[ueIdx].ueCfg.spCellCfg.servCellCfg.initUlBwp.pucchCfgPres) { /* fill pucch dedicated cfg */ - ret = fillUlSchedPucchDedicatedCfg(cell->numSlots,\ - &cell->ueCb[ueIdx].ueCfg.spCellCfg.servCellCfg.initUlBwp.pucchCfg, &cell->slotInfo, schPucchInfo); + ret = fillUlSchedPucchDedicatedCfg(cell,\ + &cell->ueCb[ueIdx].ueCfg.spCellCfg.servCellCfg.initUlBwp.pucchCfg, &slotInfo, schPucchInfo); if(ret == RFAILED) { memset(schPucchInfo, 0, sizeof(SchPucchInfo)); @@ -415,15 +435,21 @@ uint16_t fillPucchResourceInfo(SchPucchInfo *schPucchInfo, Inst inst) pucchCfg = &cell->cellCfg.schInitialUlBwp.pucchCommon; pucchIdx = pucchCfg->pucchResourceCommon; ulBwp = &cell->cellCfg.schInitialUlBwp.bwp; - schPucchInfo->fdAlloc.startPrb = ulBwp->freqAlloc.startPrb + pucchResourceSet[pucchIdx][3]; - schPucchInfo->fdAlloc.numPrb = PUCCH_NUM_PRB_FORMAT_0_1_4; - schPucchInfo->tdAlloc.startSymb = pucchResourceSet[pucchIdx][1]; - schPucchInfo->tdAlloc.numSymb = pucchResourceSet[pucchIdx][2]; - schPucchInfo->pucchFormat = pucchResourceSet[pucchIdx][0]; - - /* set SR and UCI flag to false */ - schPucchInfo->srFlag = true; - schPucchInfo->uciFlag = true; + startPrb = ulBwp->freqAlloc.startPrb + pucchResourceSet[pucchIdx][3]; + ret = allocatePrbUl(cell, slotInfo, pucchResourceSet[pucchIdx][1], pucchResourceSet[pucchIdx][2],\ + &startPrb, PUCCH_NUM_PRB_FORMAT_0_1_4); + if (ret == ROK) + { + schPucchInfo->fdAlloc.startPrb = ulBwp->freqAlloc.startPrb + pucchResourceSet[pucchIdx][3]; + schPucchInfo->fdAlloc.numPrb = PUCCH_NUM_PRB_FORMAT_0_1_4; + schPucchInfo->tdAlloc.startSymb = pucchResourceSet[pucchIdx][1]; + schPucchInfo->tdAlloc.numSymb = pucchResourceSet[pucchIdx][2]; + schPucchInfo->pucchFormat = pucchResourceSet[pucchIdx][0]; + + /* set SR and UCI flag to false */ + schPucchInfo->srFlag = true; + schPucchInfo->uciFlag = true; + } } /* set HARQ flag to true */ schPucchInfo->harqFlag = true; @@ -477,10 +503,13 @@ uint8_t schUlResAlloc(SchCellCb *cell, Inst schInst) if(schUlSlotInfo->pucchPres) { - ulSchedInfo.dataType |= SCH_DATATYPE_UCI; - fillPucchResourceInfo(&schUlSlotInfo->schPucchInfo, schInst); - memcpy(&ulSchedInfo.schPucchInfo, &schUlSlotInfo->schPucchInfo, - sizeof(SchPucchInfo)); + ret = fillPucchResourceInfo(&schUlSlotInfo->schPucchInfo, schInst, ulTimingInfo); + if (ret == ROK) + { + ulSchedInfo.dataType |= SCH_DATATYPE_UCI; + memcpy(&ulSchedInfo.schPucchInfo, &schUlSlotInfo->schPucchInfo, + sizeof(SchPucchInfo)); + } memset(&schUlSlotInfo->schPucchInfo, 0, sizeof(SchPucchInfo)); } @@ -722,7 +751,7 @@ uint16_t schAllocPucchResource(SchCellCb *cell, SlotTimingInfo pucchTime, uint16 uint8_t schDlRsrcAllocDlMsg(SchCellCb *cell, SlotTimingInfo slotTime, uint16_t crnti, uint32_t tbSize, DlMsgAlloc *dlMsgAlloc, uint16_t startPRB, uint8_t pdschStartSymbol, uint8_t pdschNumSymbols) { - uint8_t ueIdx; + uint8_t ueId=0; PdcchCfg *pdcch = NULLP; PdschCfg *pdsch = NULLP; BwpCfg *bwp = NULLP; @@ -735,8 +764,8 @@ uint8_t schDlRsrcAllocDlMsg(SchCellCb *cell, SlotTimingInfo slotTime, uint16_t c pdsch = &dlMsgAlloc->dlMsgSchedInfo[dlMsgAlloc->numSchedInfo].dlMsgPdschCfg; bwp = &dlMsgAlloc->dlMsgSchedInfo[dlMsgAlloc->numSchedInfo].bwp; - GET_UE_IDX(crnti, ueIdx); - ueCb = cell->ueCb[ueIdx-1]; + GET_UE_ID(crnti, ueId); + ueCb = cell->ueCb[ueId-1]; coreset1 = ueCb.ueCfg.spCellCfg.servCellCfg.initDlBwp.pdcchCfg.cRSetToAddModList[0]; pdschCfg = ueCb.ueCfg.spCellCfg.servCellCfg.initDlBwp.pdschCfg; @@ -1365,13 +1394,14 @@ SchK2TimingInfoTbl *msg3K2InfoTbl, SchK2TimingInfoTbl *k2InfoTbl) * I/P > mcsIdx and PDSCH symbols count * I/P & O/P > Shared PRB , reserved PRB Count * I/P & O/P > Total TBS size accumulated - * I/P & O/P > isTxPayloadLenAdded : Decision flag to add the TX_PAYLOAD_HDR_LEN + * I/P & O/P > isTxPayloadLenAdded[For DL] : Decision flag to add the TX_PAYLOAD_HDR_LEN + * I/P & O/P > srRcvd Flag[For UL] : Decision flag to add UL_GRANT_SIZE * * @return void * * *******************************************************************************************/ void prbAllocUsingRRMPolicy(CmLListCp *lcLL, bool isDedicatedPRB, uint16_t mcsIdx,uint8_t numSymbols,\ - uint16_t *sharedPRB, uint16_t *reservedPRB, bool *isTxPayloadLenAdded) + uint16_t *sharedPRB, uint16_t *reservedPRB, bool *isTxPayloadLenAdded, bool *srRcvd) { CmLList *node = NULLP; LcInfo *lcNode = NULLP; @@ -1415,7 +1445,7 @@ void prbAllocUsingRRMPolicy(CmLListCp *lcLL, bool isDedicatedPRB, uint16_t mcsId /*[Exit1]: All LCs are allocated(allocBO = 0 for fully unallocated LC)*/ if(lcNode->allocBO != 0) { - DU_LOG("\nWARNING --> SCH: All LC are allocated [SharedPRB:%d]",*sharedPRB); + DU_LOG("\nDEBUG --> SCH: All LC are allocated [SharedPRB:%d]",*sharedPRB); return; } @@ -1425,7 +1455,7 @@ void prbAllocUsingRRMPolicy(CmLListCp *lcLL, bool isDedicatedPRB, uint16_t mcsId /*Loop Exit: All resources exhausted*/ if(remReservedPRB == 0 && *sharedPRB == 0) { - DU_LOG("\nWARNING --> SCH: Dedicated resources exhausted for LC:%d",lcNode->lcId); + DU_LOG("\nDEBUG --> SCH: Dedicated resources exhausted for LC:%d",lcNode->lcId); return; } } @@ -1434,7 +1464,7 @@ void prbAllocUsingRRMPolicy(CmLListCp *lcLL, bool isDedicatedPRB, uint16_t mcsId /*Loop Exit: All resources exhausted*/ if(*sharedPRB == 0) { - DU_LOG("\nWARNING --> SCH: Default resources exhausted for LC:%d",lcNode->lcId); + DU_LOG("\nDEBUG --> SCH: Default resources exhausted for LC:%d",lcNode->lcId); return; } } @@ -1443,15 +1473,23 @@ void prbAllocUsingRRMPolicy(CmLListCp *lcLL, bool isDedicatedPRB, uint16_t mcsId maxPRB = remReservedPRB + *sharedPRB; /*[Step4]*/ - if(!(*isTxPayloadLenAdded)) + if((isTxPayloadLenAdded != NULLP) && (*isTxPayloadLenAdded == FALSE)) { - DU_LOG("\nINFO --> SCH: LC:%d is the First node to be allocated which includes TX_PAYLOAD_HDR_LEN",\ + DU_LOG("\nDEBUG --> SCH: LC:%d is the First node to be allocated which includes TX_PAYLOAD_HDR_LEN",\ lcNode->lcId); *isTxPayloadLenAdded = TRUE; lcNode->allocBO = calculateEstimateTBSize((lcNode->reqBO + TX_PAYLOAD_HDR_LEN),\ mcsIdx, numSymbols, maxPRB, &estPrb); lcNode->allocBO -=TX_PAYLOAD_HDR_LEN; } + else if((srRcvd != NULLP) && (*srRcvd == TRUE)) + { + DU_LOG("\nDEBUG --> SCH: LC:%d is the First node to be allocated which includes UL_GRANT_SIZE",\ + lcNode->lcId); + *srRcvd = FALSE; + lcNode->reqBO += UL_GRANT_SIZE; + lcNode->allocBO = calculateEstimateTBSize(lcNode->reqBO, mcsIdx, numSymbols, maxPRB, &estPrb); + } else { /*[Step4]*/ @@ -1469,7 +1507,7 @@ void prbAllocUsingRRMPolicy(CmLListCp *lcLL, bool isDedicatedPRB, uint16_t mcsId { if(*sharedPRB <= (estPrb - remReservedPRB)) { - DU_LOG("\nINFO --> SCH: SharedPRB is less"); + DU_LOG("\nDEBUG --> SCH: SharedPRB is less"); *sharedPRB = 0; } else @@ -1506,12 +1544,14 @@ void prbAllocUsingRRMPolicy(CmLListCp *lcLL, bool isDedicatedPRB, uint16_t mcsId * BO Report in dlMsgAlloc Pointer * * @params[in] I/P > lcLinkList pointer (LcInfo list) - * I/P & O/P > dlMsgAlloc(Pending LC to be added in this context) + * I/P & O/P > dlMsgAlloc[for DL](Pending LC to be added in this context) + * I/P & O/P > BsrInfo (applicable for UL) * I/P & O/P > accumalatedBOSize * @return void * * *******************************************************************************************/ -void updateGrantSizeForBoRpt(CmLListCp *lcLL, DlMsgAlloc *dlMsgAlloc, uint32_t *accumalatedBOSize) +void updateGrantSizeForBoRpt(CmLListCp *lcLL, DlMsgAlloc *dlMsgAlloc,\ + BsrInfo *bsrInfo, uint32_t *accumalatedBOSize) { CmLList *node = NULLP, *next = NULLP; LcInfo *lcNode = NULLP; @@ -1533,8 +1573,6 @@ void updateGrantSizeForBoRpt(CmLListCp *lcLL, DlMsgAlloc *dlMsgAlloc, uint32_t * return; } - dlMsgSchInfo = &dlMsgAlloc->dlMsgSchedInfo[dlMsgAlloc->numSchedInfo]; - /*Traverse List*/ while(node) { @@ -1542,25 +1580,35 @@ void updateGrantSizeForBoRpt(CmLListCp *lcLL, DlMsgAlloc *dlMsgAlloc, uint32_t * lcNode = (LcInfo *)node->node; if(lcNode != NULLP) { - DU_LOG("\nINFO --> SCH : LcID:%d, [reqBO, allocBO, allocPRB]:[%d,%d,%d]",\ + DU_LOG("\nINFO --> SCH : LcID:%d, [reqBO, allocBO, allocPRB]:[%d,%d,%d]",\ lcNode->lcId, lcNode->reqBO, lcNode->allocBO, lcNode->allocPRB); + if(dlMsgAlloc != NULLP) + { + dlMsgSchInfo = &dlMsgAlloc->dlMsgSchedInfo[dlMsgAlloc->numSchedInfo]; - /*Add this LC to dlMsgAlloc so that if this LC gets allocated, BO - * report for allocation can be sent to MAC*/ - dlMsgSchInfo->lcSchInfo[dlMsgSchInfo->numLc].lcId = lcNode->lcId; - dlMsgSchInfo->lcSchInfo[dlMsgSchInfo->numLc].schBytes = lcNode->allocBO; + /*Add this LC to dlMsgAlloc so that if this LC gets allocated, BO + * report for allocation can be sent to MAC*/ + dlMsgSchInfo->lcSchInfo[dlMsgSchInfo->numLc].lcId = lcNode->lcId; + dlMsgSchInfo->lcSchInfo[dlMsgSchInfo->numLc].schBytes = lcNode->allocBO; - /*Calculate the Total Payload/BO size allocated*/ - *accumalatedBOSize += dlMsgSchInfo->lcSchInfo[dlMsgSchInfo->numLc].schBytes; + /*Calculate the Total Payload/BO size allocated*/ + *accumalatedBOSize += dlMsgSchInfo->lcSchInfo[dlMsgSchInfo->numLc].schBytes; - DU_LOG("\nINFO --> SCH: Added in MAC BO report: LCID:%d,reqBO:%d,Idx:%d, TotalBO Size:%d",\ - lcNode->lcId,lcNode->reqBO, dlMsgSchInfo->numLc, *accumalatedBOSize); + DU_LOG("\nINFO --> SCH: Added in MAC BO report: LCID:%d,reqBO:%d,Idx:%d, TotalBO Size:%d",\ + lcNode->lcId,lcNode->reqBO, dlMsgSchInfo->numLc, *accumalatedBOSize); - dlMsgSchInfo->numLc++; - /*The LC has been fully allocated, clean it*/ - if(lcNode->reqBO == 0) + dlMsgSchInfo->numLc++; + /*The LC has been fully allocated, clean it*/ + if(lcNode->reqBO == 0) + { + handleLcLList(lcLL, lcNode->lcId, DELETE); + } + } + else if(bsrInfo != NULLP) { - handleLcLList(lcLL, lcNode->lcId, DELETE); + *accumalatedBOSize += lcNode->allocBO; + DU_LOG("\nINFO --> SCH: UL : LCID:%d,reqBO:%d, TotalBO Size:%d",\ + lcNode->lcId,lcNode->reqBO, *accumalatedBOSize); } } node = next; @@ -1713,10 +1761,378 @@ bool schProcessMsg4Req(SchCellCb *cell, SlotTimingInfo currTime, uint8_t ueId) cell->schDlSlotInfo[pdcchTime.slot]->pdcchUe = ueId; cell->schDlSlotInfo[pdschTime.slot]->pdschUe = ueId; - cell->schUlSlotInfo[pucchTime.slot]->puschUe = ueId; + cell->schUlSlotInfo[pucchTime.slot]->pucchUe = ueId; cell->raCb[ueId-1].msg4recvd = FALSE; return true; } + +/******************************************************************* + * + * @brief Handler to calculate TBS size for BSR requested + * + * @details + * + * Function : schCalculateUlTbs + * + * Functionality: Function will note the required TBS for each LCGIDX and use + * the Priority LCG List and RRM policy to allocate the TBS size + * + * @params [in] ueCb (Pointer to UE CB) + * [in] puschTime (Time slot where PUSCH will be sent) + * [in] symbLen (No of Symbols used for PUSCH transmission) + * [out] startPrb(Pointer to startPRB which will be calculated while + * finding the best Free Block) + * [out] totTBS(Pointer to total TBS size) + * + * @return bool : true > Scheduling of UL grant is successful + * false > vice versa + * + * ****************************************************************/ +bool schCalculateUlTbs(SchUeCb *ueCb, SlotTimingInfo puschTime, uint8_t symbLen,\ + uint16_t *startPrb, uint32_t *totTBS) +{ + uint16_t mcsIdx = 0; + CmLListCp *lcLL = NULLP; + uint16_t lcgIdx = 0, lcId =0, maxFreePRB = 0; + + *startPrb = 0; + *totTBS = 0; + + /* check for BSR */ + for(lcgIdx=0; lcgIdxbsrInfo[lcgIdx].dataVol == 0) + { + continue; + } + + /*TODO: lcgIdx and LCID has been implemented as one to one mapping. + * Need to check the mapping to figure out the LCID and lcgIdx once L2 + * spec specifies any logic*/ + lcId = lcgIdx; + if(ueCb->ulInfo.ulLcCtxt[lcId].isDedicated) + { + lcLL = &(ueCb->ulLcPrbEst.dedLcInfo->dedLcList); + } + else + { + lcLL = &(ueCb->ulLcPrbEst.defLcList); + } + + /*[Step2]: Update the reqPRB and Payloadsize for this LC in the appropriate List*/ + if(updateLcListReqPRB(lcLL, lcId, ueCb->bsrInfo[lcgIdx].dataVol) != ROK) + { + DU_LOG("\nERROR --> SCH: LcgId:%d updation failed",lcId); + return false; + } + } + + if ((ueCb->ulLcPrbEst.defLcList.count == 0) && \ + ((ueCb->ulLcPrbEst.dedLcInfo == NULL) || (ueCb->ulLcPrbEst.dedLcInfo->dedLcList.count == 0))) + { + if(ueCb->srRcvd) + { + *startPrb = MAX_NUM_RB; + *totTBS = schCalcTbSize(UL_GRANT_SIZE); + } + + /*Returning true when NO Grant is there for UE as this is not scheduling + * error*/ + return (true); + } + + maxFreePRB = searchLargestFreeBlock(ueCb->cellCb, puschTime, startPrb, DIR_UL); + + /*[Step4]: Estimation of PRB and BO which can be allocated to each LC in + * the list based on RRM policy*/ + + /*Either this UE contains no reservedPRB pool fir dedicated S-NSSAI or + * Num of Free PRB available is not enough to reserve Dedicated PRBs*/ + if(maxFreePRB != 0) + { + mcsIdx = ueCb->ueCfg.ulModInfo.mcsIndex; + if((ueCb->ulLcPrbEst.dedLcInfo == NULLP) + || ((maxFreePRB < ueCb->ulLcPrbEst.dedLcInfo->rsvdDedicatedPRB))) + { + ueCb->ulLcPrbEst.sharedNumPrb = maxFreePRB; + DU_LOG("\nDEBUG --> SCH : UL Only Default Slice is scheduled, sharedPRB Count:%d",\ + ueCb->ulLcPrbEst.sharedNumPrb); + + /*PRB Alloc for Default LCs*/ + prbAllocUsingRRMPolicy(&(ueCb->ulLcPrbEst.defLcList), FALSE, mcsIdx, symbLen,\ + &(ueCb->ulLcPrbEst.sharedNumPrb), NULLP, NULLP,&(ueCb->srRcvd)); + } + else + { + ueCb->ulLcPrbEst.sharedNumPrb = maxFreePRB - ueCb->ulLcPrbEst.dedLcInfo->rsvdDedicatedPRB; + + /*PRB Alloc for Dedicated LCs*/ + prbAllocUsingRRMPolicy(&(ueCb->ulLcPrbEst.dedLcInfo->dedLcList), TRUE, mcsIdx, symbLen,\ + &(ueCb->ulLcPrbEst.sharedNumPrb), &(ueCb->ulLcPrbEst.dedLcInfo->rsvdDedicatedPRB),\ + NULLP,&(ueCb->srRcvd)); + + /*PRB Alloc for Default LCs*/ + prbAllocUsingRRMPolicy(&(ueCb->ulLcPrbEst.defLcList), FALSE, mcsIdx, symbLen, \ + &(ueCb->ulLcPrbEst.sharedNumPrb), &(ueCb->ulLcPrbEst.dedLcInfo->rsvdDedicatedPRB),\ + NULLP,&(ueCb->srRcvd)); + } + } + /*[Step5]:Traverse each LCID in LcList to calculate the exact Scheduled Bytes + * using allocated BO per LC and Update dlMsgAlloc(BO report for MAC*/ + if(ueCb->ulLcPrbEst.dedLcInfo != NULLP) + updateGrantSizeForBoRpt(&(ueCb->ulLcPrbEst.dedLcInfo->dedLcList), NULLP, ueCb->bsrInfo, totTBS); + + updateGrantSizeForBoRpt(&(ueCb->ulLcPrbEst.defLcList), NULLP, ueCb->bsrInfo, totTBS); + + /*Below case will hit if NO LC(s) are allocated due to resource crunch*/ + if (*totTBS == 0) + { + if(maxFreePRB == 0) + { + DU_LOG("\nERROR --> SCH : NO FREE PRB!!"); + } + else + { + /*Schedule the LC for next slot*/ + DU_LOG("\nDEBUG --> SCH : No LC has been scheduled"); + } + return (false); + } + return (true); +} + +/******************************************************************* + * + * @brief sch Process pending Sr or Bsr Req + * + * @details + * + * Function : schProcessSrOrBsrReq + * + * Functionality: + * sch Process pending Sr or Bsr Req + * + * @params[in] SchCellCb *cell, SlotTimingInfo currTime + * @return ROK - success + * RFAILED - failure + * + *******************************************************************/ +bool schProcessSrOrBsrReq(SchCellCb *cell, SlotTimingInfo currTime, uint8_t ueId) +{ + bool k2Found = FALSE, ret = FALSE; + uint8_t startSymb = 0, symbLen = 0; + uint8_t k2TblIdx = 0, k2Index = 0, k2Val = 0; + uint16_t startPrb = 0; + uint32_t totDataReq = 0; /* in bytes */ + SchUeCb *ueCb; + SchPuschInfo *puschInfo; + DciInfo *dciInfo = NULLP; + SchK2TimingInfoTbl *k2InfoTbl=NULLP; + SlotTimingInfo dciTime, puschTime; + + if(cell == NULLP) + { + DU_LOG("\nERROR --> SCH: schDlRsrcAllocMsg4() : Cell is NULL"); + return false; + } + + ueCb = &cell->ueCb[ueId-1]; + + if(ueCb == NULLP) + { + DU_LOG("\nERROR --> SCH: schDlRsrcAllocMsg4() : UE is NULL"); + return false; + } + /* Calculating time frame to send DCI for SR */ + ADD_DELTA_TO_TIME(currTime, dciTime, PHY_DELTA_DL + SCHED_DELTA); +#ifdef NR_TDD + if(schGetSlotSymbFrmt(dciTime.slot, cell->slotFrmtBitMap) == DL_SLOT) +#endif + { + if(ueCb->ueCfg.spCellCfg.servCellCfg.initUlBwp.k2TblPrsnt) + k2InfoTbl = &ueCb->ueCfg.spCellCfg.servCellCfg.initUlBwp.k2InfoTbl; + else + k2InfoTbl = &cell->cellCfg.schInitialUlBwp.k2InfoTbl; + + for(k2TblIdx = 0; k2TblIdx < k2InfoTbl->k2TimingInfo[dciTime.slot].numK2; k2TblIdx++) + { + k2Index = k2InfoTbl->k2TimingInfo[dciTime.slot].k2Indexes[k2TblIdx]; + + if(!ueCb->ueCfg.spCellCfg.servCellCfg.initUlBwp.k2TblPrsnt) + { + k2Val = cell->cellCfg.schInitialUlBwp.puschCommon.timeDomRsrcAllocList[k2Index].k2; + startSymb = cell->cellCfg.schInitialUlBwp.puschCommon.timeDomRsrcAllocList[k2Index].startSymbol; + symbLen = cell->cellCfg.schInitialUlBwp.puschCommon.timeDomRsrcAllocList[k2Index].symbolLength; + } + else + { + k2Val = ueCb->ueCfg.spCellCfg.servCellCfg.initUlBwp.puschCfg.timeDomRsrcAllocList[k2Index].k2; + startSymb = ueCb->ueCfg.spCellCfg.servCellCfg.initUlBwp.puschCfg.timeDomRsrcAllocList[k2Index].startSymbol; + symbLen = ueCb->ueCfg.spCellCfg.servCellCfg.initUlBwp.puschCfg.timeDomRsrcAllocList[k2Index].symbolLength; + } + + /* Calculating time frame to send PUSCH for SR */ + ADD_DELTA_TO_TIME(dciTime, puschTime, k2Val); +#ifdef NR_TDD + if(schGetSlotSymbFrmt(puschTime.slot, cell->slotFrmtBitMap) == DL_SLOT) + continue; +#endif + if(cell->schUlSlotInfo[puschTime.slot]->puschUe != 0) + { + continue; + } + k2Found = true; + break; + } + } + + if(k2Found == true) + { + ret = schCalculateUlTbs(ueCb, puschTime, symbLen, &startPrb, &totDataReq); + if(totDataReq > 0 && ret == TRUE) + { + SCH_ALLOC(dciInfo, sizeof(DciInfo)); + if(!dciInfo) + { + DU_LOG("\nERROR --> SCH : Memory Allocation failed for dciInfo alloc"); + + if(ueCb->ulLcPrbEst.dedLcInfo != NULLP) + updateBsrAndLcList(&(ueCb->ulLcPrbEst.dedLcInfo->dedLcList), ueCb->bsrInfo, RFAILED); + + updateBsrAndLcList(&(ueCb->ulLcPrbEst.defLcList), ueCb->bsrInfo, RFAILED); + return false; + } + cell->schDlSlotInfo[dciTime.slot]->ulGrant = dciInfo; + memset(dciInfo,0,sizeof(DciInfo)); + + /* Update PUSCH allocation */ + if(schFillPuschAlloc(ueCb, puschTime, totDataReq, startSymb, symbLen, startPrb) == ROK) + { + if(cell->schUlSlotInfo[puschTime.slot]->schPuschInfo) + { + puschInfo = cell->schUlSlotInfo[puschTime.slot]->schPuschInfo; + if(puschInfo != NULLP) + { + /* Fill DCI for UL grant */ + schFillUlDci(ueCb, puschInfo, dciInfo); + memcpy(&dciInfo->slotIndInfo, &dciTime, sizeof(SlotTimingInfo)); + ueCb->srRcvd = false; + ueCb->bsrRcvd = false; + cell->schUlSlotInfo[puschTime.slot]->puschUe = ueId; + if(ueCb->ulLcPrbEst.dedLcInfo != NULLP) + updateBsrAndLcList(&(ueCb->ulLcPrbEst.dedLcInfo->dedLcList), ueCb->bsrInfo, ROK); + + updateBsrAndLcList(&(ueCb->ulLcPrbEst.defLcList), ueCb->bsrInfo, ROK); + return true; + } + } + } + + if(ueCb->ulLcPrbEst.dedLcInfo != NULLP) + updateBsrAndLcList(&(ueCb->ulLcPrbEst.dedLcInfo->dedLcList), ueCb->bsrInfo, RFAILED); + + updateBsrAndLcList(&(ueCb->ulLcPrbEst.defLcList), ueCb->bsrInfo, RFAILED); + } + } + return (ret); +} + + +/******************************************************************* + * + * @brief sch Process pending Sr or Bsr Req + * + * @details + * + * Function : updateBsrAndLcList + * + * Functionality: + * Updating the BSRInfo in UECB and Lclist + * + * @params[in] SchCellCb *cell, SlotTimingInfo currTime + * @return ROK - success + * RFAILED - failure + * + *******************************************************************/ +void updateBsrAndLcList(CmLListCp *lcLL, BsrInfo *bsrInfo, uint8_t status) +{ + CmLList *node = NULLP, *next = NULLP; + LcInfo *lcNode = NULLP; + + if(lcLL == NULLP) + { + DU_LOG("\nERROR --> SCH: LcList not present"); + return; + } + + if(lcLL->count) + { + node = lcLL->first; + } + else + { + /*lcLL is empty*/ + return; + } + + while(node) + { + next = node->next; + lcNode = (LcInfo *)node->node; + if(lcNode != NULLP) + { + /*Only when Status is OK then allocation is marked as ZERO and reqBO + * is updated in UE's DB. If Failure, then allocation is added to reqBO + * and same is updated in Ue's DB inside BSR Info structure*/ + if(status == ROK) + { + lcNode->allocBO = 0; + } + + lcNode->reqBO += lcNode->allocBO; + bsrInfo[lcNode->lcId].dataVol = lcNode->reqBO; + if(lcNode->reqBO == 0) + { + handleLcLList(lcLL, lcNode->lcId, DELETE); + } + } + node = next; + } +} + +/******************************************************************************** + * + * @brief Increment the Slot by a input factor + * + * @details + * + * Function : schIncrSlot + * + * Functionality: + * Increment the slot by a input factor till num of Slots configured in a + * Radio Frame. If it exceeds, move to next sfn. + * + * @params[in/out] SlotTimingInfo timingInfo + * [in] uint8_t incr [Increment factor] + * [in] numSlotsPerRF [Number of Slots configured per RF as per + * numerology] + * @return ROK - success + * RFAILED - failure + * + *******************************************************************/ +void schIncrSlot(SlotTimingInfo *timingInfo, uint8_t incr, uint16_t numSlotsPerRF) +{ + timingInfo->slot += incr; + if(timingInfo->slot >= numSlotsPerRF) + { + timingInfo->sfn += timingInfo->slot/numSlotsPerRF; + timingInfo->slot %= numSlotsPerRF; + if(timingInfo->sfn > MAX_SFN) + { + timingInfo->sfn %= MAX_SFN; + } + } +} /********************************************************************** End of file **********************************************************************/