X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?a=blobdiff_plain;f=src%2F5gnrsch%2Fsch_slot_ind.c;h=c0b67c71a7d070ee5a2ce5fb19dfbb49ca46662c;hb=d677deafcfd8b9984be18a25398502a84684d44c;hp=07ed7aaeb0c229ca9d8126d5d151751fa1cd444b;hpb=8e6123e23f6d831b1fe972f8229e9594a2e92237;p=o-du%2Fl2.git diff --git a/src/5gnrsch/sch_slot_ind.c b/src/5gnrsch/sch_slot_ind.c index 07ed7aaeb..c0b67c71a 100644 --- a/src/5gnrsch/sch_slot_ind.c +++ b/src/5gnrsch/sch_slot_ind.c @@ -41,6 +41,9 @@ File: sch_slot_ind.c #include "mac_sch_interface.h" #include "sch.h" #include "sch_utils.h" +#ifdef NR_DRX +#include "sch_drx.h" +#endif SchMacDlAllocFunc schMacDlAllocOpts[] = { @@ -49,6 +52,13 @@ SchMacDlAllocFunc schMacDlAllocOpts[] = packSchMacDlAlloc }; +SchMacDlPageAllocFunc schMacDlPageAllocOpts[] = +{ + packSchMacDlPageAlloc, + MacProcDlPageAlloc, + packSchMacDlPageAlloc +}; + /******************************************************************* * * @brief Handles sending DL broadcast alloc to MAC @@ -77,6 +87,34 @@ uint8_t sendDlAllocToMac(DlSchedInfo *dlSchedInfo, Inst inst) } +/******************************************************************* + * + * @brief Handles sending DL Page alloc to MAC + * + * @details + * + * Function : sendDlPAgeAllocToMac + * + * Functionality: + * Sends DL Page Resource Allocation to MAC from SCH + * + * @params[in] + * @return ROK - success + * RFAILED - failure + * + * ****************************************************************/ +uint8_t sendDlPageAllocToMac(DlPageAlloc *dlPageAlloc, Inst inst) +{ + Pst pst; + + memset(&pst, 0, sizeof(Pst)); + FILL_PST_SCH_TO_MAC(pst, inst); + pst.event = EVENT_DL_PAGING_ALLOC; + + return(*schMacDlPageAllocOpts[pst.selector])(&pst, dlPageAlloc); + +} + /******************************************************************* * * @brief Handles slot indication at SCH @@ -93,7 +131,7 @@ uint8_t sendDlAllocToMac(DlSchedInfo *dlSchedInfo, Inst inst) * RFAILED - failure * * ****************************************************************/ -void schCalcSlotValues(SlotTimingInfo slotInd, SchSlotValue *schSlotValue) +void schCalcSlotValues(SlotTimingInfo slotInd, SchSlotValue *schSlotValue, uint16_t numOfSlots) { /**************************************************************** * PHY_DELTA - the physical layer delta * @@ -108,10 +146,11 @@ void schCalcSlotValues(SlotTimingInfo slotInd, SchSlotValue *schSlotValue) * on PHY_DELTA + SCHED_DELTA + BO_DELTA * ****************************************************************/ - ADD_DELTA_TO_TIME(slotInd, schSlotValue->currentTime, PHY_DELTA_DL); - ADD_DELTA_TO_TIME(slotInd, schSlotValue->broadcastTime, PHY_DELTA_DL + SCHED_DELTA); - ADD_DELTA_TO_TIME(slotInd, schSlotValue->rarTime, PHY_DELTA_DL + SCHED_DELTA); - ADD_DELTA_TO_TIME(slotInd, schSlotValue->dlMsgTime, PHY_DELTA_DL + SCHED_DELTA); + ADD_DELTA_TO_TIME(slotInd, schSlotValue->currentTime, PHY_DELTA_DL, numOfSlots); + ADD_DELTA_TO_TIME(slotInd, schSlotValue->broadcastTime, PHY_DELTA_DL + SCHED_DELTA, numOfSlots); + ADD_DELTA_TO_TIME(slotInd, schSlotValue->rarTime, PHY_DELTA_DL + SCHED_DELTA, numOfSlots); + ADD_DELTA_TO_TIME(slotInd, schSlotValue->dlMsgTime, PHY_DELTA_DL + SCHED_DELTA, numOfSlots); + ADD_DELTA_TO_TIME(slotInd, schSlotValue->ulDciTime, PHY_DELTA_DL + SCHED_DELTA, numOfSlots); } /******************************************************************* @@ -198,19 +237,25 @@ PduTxOccsaion schCheckSib1Occ(SchCellCb *cell, SlotTimingInfo slotTime) * Functionality: * find correct combination of k0-k1 value * - * @params[in] + * @params[in] SchCellCb *cell, SlotTimingInfo currTime + * @params[in] uint8_t ueId, bool dedMsg + * @params[in] uint8_t *pdschStartSymbol, uint8_t *pdschSymblLen + * @params[in] SlotTimingInfo *pdcchTime, SlotTimingInfo *pdschTime + * @params[in] SlotTimingInfo *pucchTime, bool isRetx, SchDlHqProcCb *hqP * @return ROK - success * RFAILED - failure * *******************************************************************/ -bool findValidK0K1Value(SchCellCb *cell, SlotTimingInfo currTime, uint8_t ueId, bool dedMsg, uint8_t *pdschStartSymbol, uint8_t *pdschSymblLen, SlotTimingInfo *pdcchTime, SlotTimingInfo *pdschTime, SlotTimingInfo *pucchTime) +bool findValidK0K1Value(SchCellCb *cell, SlotTimingInfo currTime, uint8_t ueId, bool dedMsg, + uint8_t *pdschStartSymbol, uint8_t *pdschSymblLen, SlotTimingInfo *pdcchTime, + SlotTimingInfo *pdschTime, SlotTimingInfo *pucchTime, bool isRetx, SchDlHqProcCb *hqP) { uint8_t numK0 = 0, k0TblIdx = 0, k0Val = 0, k0Index =0 ; uint8_t k1TblIdx = 0, k1Index = 0, k1Val = 0, numK1 = 0; SchUeCb *ueCb = NULLP; SchK0K1TimingInfoTbl *k0K1InfoTbl; - ADD_DELTA_TO_TIME(currTime, (*pdcchTime), PHY_DELTA_DL + SCHED_DELTA); + ADD_DELTA_TO_TIME(currTime, (*pdcchTime), PHY_DELTA_DL + SCHED_DELTA, cell->numSlots); #ifdef NR_TDD if(schGetSlotSymbFrmt(pdcchTime->slot, cell->slotFrmtBitMap) != DL_SLOT) { @@ -254,7 +299,7 @@ bool findValidK0K1Value(SchCellCb *cell, SlotTimingInfo currTime, uint8_t ueId, } } - ADD_DELTA_TO_TIME((*pdcchTime), (*pdschTime), k0Val); + ADD_DELTA_TO_TIME((*pdcchTime), (*pdschTime), k0Val, cell->numSlots); #ifdef NR_TDD if(schGetSlotSymbFrmt(pdschTime->slot, cell->slotFrmtBitMap) != DL_SLOT) { @@ -281,7 +326,7 @@ bool findValidK0K1Value(SchCellCb *cell, SlotTimingInfo currTime, uint8_t ueId, k1Val = ueCb->ueCfg.spCellCfg.servCellCfg.initUlBwp.pucchCfg.dlDataToUlAck->dlDataToUlAckList[k1Index]; } } - ADD_DELTA_TO_TIME((*pdschTime),(*pucchTime), k1Val); + ADD_DELTA_TO_TIME((*pdschTime),(*pucchTime), k1Val, cell->numSlots); #ifdef NR_TDD if(schGetSlotSymbFrmt(pucchTime->slot, cell->slotFrmtBitMap) == DL_SLOT) { @@ -292,9 +337,17 @@ bool findValidK0K1Value(SchCellCb *cell, SlotTimingInfo currTime, uint8_t ueId, { continue; } + if(hqP) + { + ADD_DELTA_TO_TIME((*pucchTime), hqP->pucchTime, 0, cell->numSlots); + } return true; } } + /* + * Number of symbols in case of retransmisson should be same as it was in + * original transmisson. Symbol availablity checks need to be added. + */ return false; } @@ -309,12 +362,13 @@ bool findValidK0K1Value(SchCellCb *cell, SlotTimingInfo currTime, uint8_t ueId, * Functionality: * - * @params[in] + * @params[in] SchCellCb *cell, SlotTimingInfo currTime, uint8_t ueId + * @params[in] bool isRetx, SchDlHqProcCb **hqP * @return ROK - success * RFAILED - failure * * ****************************************************************/ -bool schFillBoGrantDlSchedInfo(SchCellCb *cell, SlotTimingInfo currTime, uint8_t ueId) +bool schFillBoGrantDlSchedInfo(SchCellCb *cell, SlotTimingInfo currTime, uint8_t ueId, bool isRetx, SchDlHqProcCb **hqP) { uint8_t lcIdx = 0; uint8_t pdschNumSymbols = 0, pdschStartSymbol = 0; @@ -325,24 +379,32 @@ bool schFillBoGrantDlSchedInfo(SchCellCb *cell, SlotTimingInfo currTime, uint8_t CmLListCp *lcLL = NULLP; DlMsgAlloc *dciSlotAlloc, *dlMsgAlloc; SlotTimingInfo pdcchTime, pdschTime, pucchTime; + uint16_t rsvdDedicatedPRB = 0; /* TX_PAYLOAD_HDR_LEN: Overhead which is to be Added once for any UE while estimating Accumulated TB Size * Following flag added to keep the record whether TX_PAYLOAD_HDR_LEN is added to the first Node getting allocated. * If both Dedicated and Default LC lists are present then First LC in Dedicated List will include this overhead * else if only Default list is present then first node in this List will add this overhead len*/ bool isTxPayloadLenAdded = FALSE; - GET_CRNTI(crnti,ueId); ueCb = &cell->ueCb[ueId-1]; + if (isRetx == FALSE) + { + if(schDlGetAvlHqProcess(cell, ueCb, hqP) != ROK) + { + return false; + } + } + if(findValidK0K1Value(cell, currTime, ueId, ueCb->ueCfg.spCellCfg.servCellCfg.initDlBwp.k0K1TblPrsnt,\ - &pdschStartSymbol, &pdschNumSymbols, &pdcchTime, &pdschTime, &pucchTime) != true ) + &pdschStartSymbol, &pdschNumSymbols, &pdcchTime, &pdschTime, &pucchTime, isRetx, *hqP) != true ) { /* If a valid combination of slots to scheduled PDCCH, PDSCH and PUCCH is * not found, do not perform resource allocation. Return from here. */ return false; } - + /* allocate PDCCH and PDSCH resources for the ue */ if(cell->schDlSlotInfo[pdcchTime.slot]->dlMsgAlloc[ueId-1] == NULL) { @@ -357,116 +419,128 @@ bool schFillBoGrantDlSchedInfo(SchCellCb *cell, SlotTimingInfo currTime, uint8_t memset(dciSlotAlloc, 0, sizeof(DlMsgAlloc)); dciSlotAlloc->crnti = crnti; } - dciSlotAlloc = cell->schDlSlotInfo[pdcchTime.slot]->dlMsgAlloc[ueId -1]; - + else + { + dciSlotAlloc = cell->schDlSlotInfo[pdcchTime.slot]->dlMsgAlloc[ueId -1]; + } /* Dl ded Msg info is copied, this was earlier filled in macSchDlRlcBoInfo */ - fillDlMsgInfo(&dciSlotAlloc->dlMsgSchedInfo[dciSlotAlloc->numSchedInfo].dlMsgInfo, dciSlotAlloc->crnti); + fillDlMsgInfo(&dciSlotAlloc->dlMsgSchedInfo[dciSlotAlloc->numSchedInfo].dlMsgInfo, dciSlotAlloc->crnti, isRetx, *hqP); + dciSlotAlloc->dlMsgSchedInfo[dciSlotAlloc->numSchedInfo].isRetx = isRetx; - /*Re-Initalization per UE*/ - /* scheduled LC data fill */ - dciSlotAlloc->dlMsgSchedInfo[dciSlotAlloc->numSchedInfo].numLc = 0; - isTxPayloadLenAdded = FALSE; /*Re-initlaize the flag for every UE*/ - accumalatedSize = 0; - for(lcIdx = 0; lcIdx < MAX_NUM_LC; lcIdx++) + if (isRetx == FALSE) { - if(ueCb->dlInfo.dlLcCtxt[lcIdx].bo) - { - /*Check the LC is Dedicated or default and accordingly LCList will - * be used*/ - if(ueCb->dlInfo.dlLcCtxt[lcIdx].isDedicated) - { - lcLL = &(ueCb->dlLcPrbEst.dedLcInfo->dedLcList); - } - else - { - lcLL = &(ueCb->dlLcPrbEst.defLcList); - } + /*Re-Initalization per UE*/ + /* scheduled LC data fill */ + dciSlotAlloc->dlMsgSchedInfo[dciSlotAlloc->numSchedInfo].numLc = 0; + isTxPayloadLenAdded = FALSE; /*Re-initlaize the flag for every UE*/ + accumalatedSize = 0; - /*[Step2]: Update the reqPRB and Payloadsize for this LC in the appropriate List*/ - if(updateLcListReqPRB(lcLL, ueCb->dlInfo.dlLcCtxt[lcIdx].lcId,\ - (ueCb->dlInfo.dlLcCtxt[lcIdx].bo + MAC_HDR_SIZE)) != ROK) + for(lcIdx = 0; lcIdx < MAX_NUM_LC; lcIdx++) + { + if(ueCb->dlInfo.dlLcCtxt[lcIdx].bo) { - DU_LOG("\nERROR --> SCH : Updation in LC List Failed"); - /* Free the dl ded msg info allocated in macSchDlRlcBoInfo */ - if(dciSlotAlloc->numSchedInfo == 0) + /*Check the LC is Dedicated or default and accordingly LCList will + * be used*/ + if(ueCb->dlInfo.dlLcCtxt[lcIdx].isDedicated) { - SCH_FREE(dciSlotAlloc, sizeof(DlMsgAlloc)); - cell->schDlSlotInfo[pdcchTime.slot]->dlMsgAlloc[ueId -1] = NULL; + lcLL = &((*hqP)->dlLcPrbEst.dedLcList); + rsvdDedicatedPRB = ueCb->dlInfo.dlLcCtxt[lcIdx].rsvdDedicatedPRB; } else - memset(&dciSlotAlloc->dlMsgSchedInfo[dciSlotAlloc->numSchedInfo], 0, sizeof(DlMsgSchInfo)); - return false; - } - } - ueCb->dlInfo.dlLcCtxt[lcIdx].bo = 0; - }//End of for loop - + { + lcLL = &((*hqP)->dlLcPrbEst.defLcList); + } - if ((ueCb->dlLcPrbEst.defLcList.count == 0) && \ - ((ueCb->dlLcPrbEst.dedLcInfo != NULL) && (ueCb->dlLcPrbEst.dedLcInfo->dedLcList.count == 0))) - { - DU_LOG("\nDEBUG --> SCH : No pending BO for any LC id\n"); - if(*(uint8_t *)cell->ueToBeScheduled.first->node == ueId) + /*[Step2]: Update the reqPRB and Payloadsize for this LC in the appropriate List*/ + if(updateLcListReqPRB(lcLL, ueCb->dlInfo.dlLcCtxt[lcIdx].lcId,\ + (ueCb->dlInfo.dlLcCtxt[lcIdx].bo + MAC_HDR_SIZE)) != ROK) + { + DU_LOG("\nERROR --> SCH : Updation in LC List Failed"); + /* Free the dl ded msg info allocated in macSchDlRlcBoInfo */ + if(dciSlotAlloc->numSchedInfo == 0) + { + SCH_FREE(dciSlotAlloc, sizeof(DlMsgAlloc)); + cell->schDlSlotInfo[pdcchTime.slot]->dlMsgAlloc[ueId -1] = NULL; + } + else + memset(&dciSlotAlloc->dlMsgSchedInfo[dciSlotAlloc->numSchedInfo], 0, sizeof(DlMsgSchInfo)); + return false; + } + } + ueCb->dlInfo.dlLcCtxt[lcIdx].bo = 0; + }//End of for loop + if (((*hqP)->dlLcPrbEst.defLcList.count == 0) && ( ((*hqP)->dlLcPrbEst.dedLcList.count == 0))) { - SCH_FREE(cell->ueToBeScheduled.first->node, sizeof(uint8_t)); - deleteNodeFromLList(&cell->ueToBeScheduled, cell->ueToBeScheduled.first); - } - UNSET_ONE_BIT(ueId, cell->boIndBitMap); + DU_LOG("\nDEBUG --> SCH : No pending BO for any LC id\n"); + UNSET_ONE_BIT(ueId, cell->boIndBitMap); - /* Free the dl ded msg info allocated in macSchDlRlcBoInfo */ - if(dciSlotAlloc->numSchedInfo == 0) - { - SCH_FREE(dciSlotAlloc, sizeof(DlMsgAlloc)); - cell->schDlSlotInfo[pdcchTime.slot]->dlMsgAlloc[ueId -1] = NULL; + /* Free the dl ded msg info allocated in macSchDlRlcBoInfo */ + if(dciSlotAlloc->numSchedInfo == 0) + { + SCH_FREE(dciSlotAlloc, sizeof(DlMsgAlloc)); + cell->schDlSlotInfo[pdcchTime.slot]->dlMsgAlloc[ueId -1] = NULL; + } + else + memset(&dciSlotAlloc->dlMsgSchedInfo[dciSlotAlloc->numSchedInfo], 0, sizeof(DlMsgSchInfo)); + + /*TRUE because this UE has nothing to be scheduled*/ + return true; } - else - memset(&dciSlotAlloc->dlMsgSchedInfo[dciSlotAlloc->numSchedInfo], 0, sizeof(DlMsgSchInfo)); - return false; } /*[Step3]: Calculate Best FREE BLOCK with MAX PRB count*/ - maxFreePRB = searchLargestFreeBlockDL(cell, pdschTime, &startPrb); + maxFreePRB = searchLargestFreeBlock(cell, pdschTime, &startPrb, DIR_DL); /*[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) + if(isRetx == FALSE) { - mcsIdx = ueCb->ueCfg.dlModInfo.mcsIndex; - if((ueCb->dlLcPrbEst.dedLcInfo == NULLP) - || ((maxFreePRB < ueCb->dlLcPrbEst.dedLcInfo->rsvdDedicatedPRB))) - { - ueCb->dlLcPrbEst.sharedNumPrb = maxFreePRB; - DU_LOG("\nWARNING --> SCH : Only Default Slice is scheduled, sharedPRB Count:%d",\ - ueCb->dlLcPrbEst.sharedNumPrb); - - /*PRB Alloc for Default LCs*/ - prbAllocUsingRRMPolicy(&(ueCb->dlLcPrbEst.defLcList), FALSE, mcsIdx, pdschNumSymbols,\ - &(ueCb->dlLcPrbEst.sharedNumPrb), NULLP, &isTxPayloadLenAdded); - } - else + if(maxFreePRB != 0) { - ueCb->dlLcPrbEst.sharedNumPrb = maxFreePRB - ueCb->dlLcPrbEst.dedLcInfo->rsvdDedicatedPRB; - - /*PRB Alloc for Dedicated LCs*/ - prbAllocUsingRRMPolicy(&(ueCb->dlLcPrbEst.dedLcInfo->dedLcList), TRUE, mcsIdx, pdschNumSymbols,\ - &(ueCb->dlLcPrbEst.sharedNumPrb), &(ueCb->dlLcPrbEst.dedLcInfo->rsvdDedicatedPRB), &isTxPayloadLenAdded); - - /*PRB Alloc for Default LCs*/ - prbAllocUsingRRMPolicy(&(ueCb->dlLcPrbEst.defLcList), FALSE, mcsIdx, pdschNumSymbols, \ - &(ueCb->dlLcPrbEst.sharedNumPrb), &(ueCb->dlLcPrbEst.dedLcInfo->rsvdDedicatedPRB), &isTxPayloadLenAdded); + mcsIdx = ueCb->ueCfg.dlModInfo.mcsIndex; + + if(((*hqP)->dlLcPrbEst.dedLcList.count == NULLP) + || ((maxFreePRB < rsvdDedicatedPRB))) + { + (*hqP)->dlLcPrbEst.sharedNumPrb = maxFreePRB; + DU_LOG("\nDEBUG --> SCH : DL Only Default Slice is scheduled, sharedPRB Count:%d",\ + (*hqP)->dlLcPrbEst.sharedNumPrb); + + /*PRB Alloc for Default LCs*/ + prbAllocUsingRRMPolicy(&((*hqP)->dlLcPrbEst.defLcList), FALSE, mcsIdx, pdschNumSymbols,\ + &((*hqP)->dlLcPrbEst.sharedNumPrb), NULLP, &isTxPayloadLenAdded, NULLP); + } + else + { + (*hqP)->dlLcPrbEst.sharedNumPrb = maxFreePRB - rsvdDedicatedPRB; + /*PRB Alloc for Dedicated LCs*/ + prbAllocUsingRRMPolicy(&((*hqP)->dlLcPrbEst.dedLcList), TRUE, mcsIdx, pdschNumSymbols,\ + &((*hqP)->dlLcPrbEst.sharedNumPrb), &(rsvdDedicatedPRB), &isTxPayloadLenAdded, NULLP); + + /*PRB Alloc for Default LCs*/ + prbAllocUsingRRMPolicy(&((*hqP)->dlLcPrbEst.defLcList), FALSE, mcsIdx, pdschNumSymbols, \ + &((*hqP)->dlLcPrbEst.sharedNumPrb), &(rsvdDedicatedPRB), &isTxPayloadLenAdded, NULLP); + } } } /*[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->dlLcPrbEst.dedLcInfo != NULLP) - updateGrantSizeForBoRpt(&(ueCb->dlLcPrbEst.dedLcInfo->dedLcList), dciSlotAlloc, &(accumalatedSize)); + * using allocated BO per LC and Update dlMsgAlloc(BO report for MAC*/ + if (isRetx == FALSE) + { + if((*hqP)->dlLcPrbEst.dedLcList.count != 0) + updateGrantSizeForBoRpt(&((*hqP)->dlLcPrbEst.dedLcList), dciSlotAlloc, NULLP, &(accumalatedSize)); - updateGrantSizeForBoRpt(&(ueCb->dlLcPrbEst.defLcList), dciSlotAlloc, &(accumalatedSize)); + updateGrantSizeForBoRpt(&((*hqP)->dlLcPrbEst.defLcList), dciSlotAlloc, NULLP, &(accumalatedSize)); + } + else + { + accumalatedSize = (*hqP)->tbInfo[0].tbSzReq; + } /*Below case will hit if NO LC(s) are allocated due to resource crunch*/ if (!accumalatedSize) @@ -486,7 +560,7 @@ bool schFillBoGrantDlSchedInfo(SchCellCb *cell, SlotTimingInfo currTime, uint8_t } /*[Step6]: pdcch and pdsch data is filled */ - if((schDlRsrcAllocDlMsg(cell, pdschTime, crnti, accumalatedSize, dciSlotAlloc, startPrb, pdschStartSymbol, pdschNumSymbols)) != ROK) + if((schDlRsrcAllocDlMsg(cell, pdschTime, crnti, accumalatedSize, dciSlotAlloc, startPrb, pdschStartSymbol, pdschNumSymbols, isRetx, *hqP)) != ROK) { DU_LOG("\nERROR --> SCH : Scheduling of DL dedicated message failed"); @@ -497,7 +571,9 @@ bool schFillBoGrantDlSchedInfo(SchCellCb *cell, SlotTimingInfo currTime, uint8_t cell->schDlSlotInfo[pdcchTime.slot]->dlMsgAlloc[ueId -1] = NULL; } else + { memset(&dciSlotAlloc->dlMsgSchedInfo[dciSlotAlloc->numSchedInfo], 0, sizeof(DlMsgSchInfo)); + } return false; } @@ -561,17 +637,118 @@ bool schFillBoGrantDlSchedInfo(SchCellCb *cell, SlotTimingInfo currTime, uint8_t dlMsgAlloc->numSchedInfo++; } - schAllocPucchResource(cell, pucchTime, crnti); + schAllocPucchResource(cell, pucchTime, crnti, ueCb, isRetx, *hqP); + cell->schDlSlotInfo[pdcchTime.slot]->pdcchUe = ueId; cell->schDlSlotInfo[pdschTime.slot]->pdschUe = ueId; cell->schUlSlotInfo[pucchTime.slot]->pucchUe = ueId; /* after allocation is done, unset the bo bit for that ue */ UNSET_ONE_BIT(ueId, cell->boIndBitMap); - return true; } +/******************************************************************* +* +* @brief Process DL Resource allocation for Page +* +* @details +* +* Function : schProcDlPageAlloc +* +* Functionality: Process DL Resource allocation for Page +* +* @params[in] SchCellCb *cell, SlotTimingInfo currTime, Inst schInst +* +* @return pointer to return Value(ROK, RFAILED) +* +* ****************************************************************/ +uint8_t schProcDlPageAlloc(SchCellCb *cell, SlotTimingInfo currTime, Inst schInst) +{ + DlPageAlloc dlPageAlloc; + CmLList *pageInfoNode = NULLP; + SchPageInfo *pageInfo = NULLP; + SlotTimingInfo pdschTime; + uint32_t tbSize = 0; + uint16_t startPrb = 0, maxFreePRB = 0, nPRB = 0; + uint8_t ret = RFAILED; + + pageInfoNode = schPageInfoSearchFromPageList(currTime, &(cell->pageCb.pageIndInfoRecord[currTime.sfn])); + + if(pageInfoNode == NULLP) + { + return ROK; + } + pageInfo = (SchPageInfo *)pageInfoNode->node; + + while(true) + { + dlPageAlloc.cellId = currTime.cellId; + + ADD_DELTA_TO_TIME(currTime, dlPageAlloc.dlPageTime, PHY_DELTA_DL + SCHED_DELTA, cell->numSlots); + dlPageAlloc.shortMsgInd = FALSE; + pdschTime = dlPageAlloc.dlPageTime; + + /*Calculate Best FREE BLOCK with MAX PRB count*/ + maxFreePRB = searchLargestFreeBlock(cell, pdschTime, &startPrb, DIR_DL); + + if(maxFreePRB != 0) + { + tbSize = calculateEstimateTBSize(pageInfo->msgLen, pageInfo->mcs, NUM_PDSCH_SYMBOL, maxFreePRB, &nPRB); + } + else + { + DU_LOG("\nERROR --> SCH: Unable to get any free block for Paging at SFN:%d, SLOT:%d",\ + pdschTime.sfn, pdschTime.slot); + break; + } + /*Fill PDCCH: PDCCH Cfg is same as SIB1 as Paging will be a broadcast message*/ + memcpy(&dlPageAlloc.pagePdcchCfg, &cell->cellCfg.sib1SchCfg.sib1PdcchCfg, sizeof(PdcchCfg)); + dlPageAlloc.pagePdcchCfg.dci.rnti = P_RNTI; + + /*Fill BWP*/ + memcpy(&dlPageAlloc.bwp, &cell->cellCfg.sib1SchCfg.bwp, sizeof(BwpCfg)); + + /*Fill PDSCH*/ + if(schFillPagePdschCfg(cell, &dlPageAlloc.pagePdschCfg, pdschTime, tbSize, pageInfo->mcs, startPrb) != ROK) + { + DU_LOG("\nERROR --> SCH: Issue in PDSCH Allocation for Paging at SFN:%d, SLOT:%d",\ + pdschTime.sfn, pdschTime.slot); + break; + } + dlPageAlloc.pagePdcchCfg.dci.pdschCfg = &dlPageAlloc.pagePdschCfg; + + /*Fill Page PDU information*/ + dlPageAlloc.dlPagePduLen = pageInfo->msgLen; + + SCH_ALLOC(dlPageAlloc.dlPagePdu, sizeof(dlPageAlloc.dlPagePduLen)); + + if(dlPageAlloc.dlPagePdu == NULLP) + { + DU_LOG("\nERROR --> SCH: Memory Allocation Failed during Page Resource allocation"); + break; + } + memcpy(dlPageAlloc.dlPagePdu, pageInfo->pagePdu, dlPageAlloc.dlPagePduLen); + + /* Send msg to MAC */ + if(sendDlPageAllocToMac(&dlPageAlloc, schInst) != ROK) + { + DU_LOG("\nERROR --> SCH : Sending DL Paging allocation from SCH to MAC failed"); + SCH_FREE(dlPageAlloc.dlPagePdu, sizeof(dlPageAlloc.dlPagePduLen)); + break; + } + ret = ROK; + break; + } + + /*Remove the Page Node*/ + SCH_FREE(pageInfo->pagePdu, pageInfo->msgLen); + schDeleteFromPageInfoList(&(cell->pageCb.pageIndInfoRecord[currTime.sfn]), pageInfoNode); + + return(ret); + +} + /******************************************************************* * * @brief Handles slot indication at SCH @@ -590,20 +767,20 @@ bool schFillBoGrantDlSchedInfo(SchCellCb *cell, SlotTimingInfo currTime, uint8_t * ****************************************************************/ uint8_t schProcessSlotInd(SlotTimingInfo *slotInd, Inst schInst) { - uint8_t ueId, ueIdx, lcgIdx, ret = ROK; + uint8_t ueId, ueIdx, ret = ROK; uint16_t slot; bool isRarPending = false, isRarScheduled = false; bool isMsg4Pending = false, isMsg4Scheduled = false; - CmLList *pendingUeNode; - DlSchedInfo dlSchedInfo; - DlBrdcstAlloc *dlBrdcstAlloc = NULLP; - SchCellCb *cell = NULLP; - - memset(&dlSchedInfo, 0, sizeof(DlSchedInfo)); - schCalcSlotValues(*slotInd, &dlSchedInfo.schSlotValue); - dlBrdcstAlloc = &dlSchedInfo.brdcstAlloc; - dlBrdcstAlloc->ssbTrans = NO_TRANSMISSION; - dlBrdcstAlloc->sib1Trans = NO_TRANSMISSION; + bool isUlGrantPending = false, isUlGrantScheduled = false; + bool isDlMsgPending = false, isDlMsgScheduled = false; + CmLList *pendingUeNode; + DlSchedInfo dlSchedInfo; + DlBrdcstAlloc *dlBrdcstAlloc = NULLP; + SchCellCb *cell = NULLP; + CmLList *node; + uint8_t* ueNode; + SchDlHqProcCb *hqP = NULLP; + SchUlHqProcCb *ulHqP = NULLP; cell = schCb[schInst].cells[schInst]; if(cell == NULLP) @@ -611,12 +788,22 @@ uint8_t schProcessSlotInd(SlotTimingInfo *slotInd, Inst schInst) DU_LOG("\nERROR --> SCH : Cell Does not exist"); return RFAILED; } + memset(&dlSchedInfo, 0, sizeof(DlSchedInfo)); + schCalcSlotValues(*slotInd, &dlSchedInfo.schSlotValue, cell->numSlots); + dlBrdcstAlloc = &dlSchedInfo.brdcstAlloc; + dlBrdcstAlloc->ssbTrans = NO_TRANSMISSION; + dlBrdcstAlloc->sib1Trans = NO_TRANSMISSION; + memcpy(&cell->slotInfo, slotInd, sizeof(SlotTimingInfo)); dlBrdcstAlloc->ssbIdxSupported = SSB_IDX_SUPPORTED; dlSchedInfo.cellId = cell->cellId; slot = dlSchedInfo.schSlotValue.broadcastTime.slot; +#ifdef NR_DRX + schHandleStartDrxTimer(cell); +#endif + /* Check for SSB occassion */ dlBrdcstAlloc->ssbTrans = schCheckSsbOcc(cell, dlSchedInfo.schSlotValue.broadcastTime); if(dlBrdcstAlloc->ssbTrans) @@ -651,53 +838,161 @@ uint8_t schProcessSlotInd(SlotTimingInfo *slotInd, Inst schInst) } } + /*Process Paging Msg*/ + schProcDlPageAlloc(cell, *slotInd, schInst); + /* Select first UE in the linked list to be scheduled next */ pendingUeNode = cell->ueToBeScheduled.first; if(pendingUeNode) { - ueId = *(uint8_t *)(pendingUeNode->node); - - /* If RAR is pending for this UE, schedule PDCCH,PDSCH to send RAR and - * PUSCH to receive MSG3 as per k0-k2 configuration*/ - if(cell->raReq[ueId-1] != NULLP) + if(pendingUeNode->node) { - isRarPending = true; - isRarScheduled = schProcessRaReq(cell, *slotInd, ueId); - } + ueNode = (uint8_t *)pendingUeNode->node; + ueId = *(uint8_t *)(pendingUeNode->node); + /* If RAR is pending for this UE, schedule PDCCH,PDSCH to send RAR and + * PUSCH to receive MSG3 as per k0-k2 configuration*/ + if(cell->raReq[ueId-1] != NULLP) + { + isRarPending = true; + isRarScheduled = schProcessRaReq(schInst, cell, *slotInd, ueId); + } - /* If MSG4 is pending for this UE, schedule PDCCH,PDSCH to send MSG4 and - * PUCCH to receive UL msg as per k0-k1 configuration */ - if(cell->raCb[ueId-1].msg4recvd) - { - isMsg4Pending = true; - isMsg4Scheduled = schProcessMsg4Req(cell, *slotInd, ueId); - } + /*MSG3 retransmisson*/ + if(cell->raCb[ueId-1].retxMsg3HqProc) + { + schMsg3RetxSchedulingForUe(&(cell->raCb[ueId-1])); + } - if(isRarPending || isMsg4Pending) - { - /* If RAR or MSG is successfully scheduled then - * remove UE from linked list since no pending msgs for this UE */ - if(isRarScheduled || isMsg4Scheduled) + /* If MSG4 is pending for this UE, schedule PDCCH,PDSCH to send MSG4 and + * PUCCH to receive UL msg as per k0-k1 configuration */ + if (cell->ueCb[ueId-1].retxMsg4HqProc) //should work from dlmap later tbd + { + /* Retransmission of MSG4 */ + isMsg4Pending = true; + if(schProcessMsg4Req(cell, *slotInd, ueId, TRUE, &cell->ueCb[ueId-1].retxMsg4HqProc) == ROK) + isMsg4Scheduled = true; + } + else + { + /* First transmission of MSG4 */ + if(cell->raCb[ueId-1].msg4recvd) + { + isMsg4Pending = true; + if(schProcessMsg4Req(cell, *slotInd, ueId, FALSE, &cell->ueCb[ueId-1].msg4Proc) == ROK) + isMsg4Scheduled = true; + + /* If MSG4 scheduling failed, free the newly assigned HARQ process */ + if(!isMsg4Scheduled) + schDlReleaseHqProcess(cell->ueCb[ueId-1].msg4Proc); + } + } + + if(isRarPending || isMsg4Pending) { - SCH_FREE(pendingUeNode->node, sizeof(uint8_t)); - deleteNodeFromLList(&cell->ueToBeScheduled, pendingUeNode); + /* If RAR or MSG is successfully scheduled then + * remove UE from linked list since no pending msgs for this UE */ + if(isRarScheduled || isMsg4Scheduled) + { + SCH_FREE(pendingUeNode->node, sizeof(uint8_t)); + deleteNodeFromLList(&cell->ueToBeScheduled, pendingUeNode); + } + /* If RAR/MSG4 is pending but couldnt be scheduled then, + * put this UE at the end of linked list to be scheduled later */ + else + { + cmLListAdd2Tail(&cell->ueToBeScheduled, cmLListDelFrm(&cell->ueToBeScheduled, pendingUeNode)); + } + } + +#ifdef NR_DRX + if((cell->ueCb[ueId-1].ueDrxInfoPres == true) && (cell->ueCb[ueId-1].drxUeCb.drxDlUeActiveStatus != true)) + { + if(pendingUeNode->node) + { + cmLListAdd2Tail(&cell->ueToBeScheduled, cmLListDelFrm(&cell->ueToBeScheduled, pendingUeNode)); + } } - /* If RAR/MSG4 is pending but couldnt be scheduled then, - * put this UE at the end of linked list to be scheduled later */ else +#endif { - cmLListAdd2Tail(&cell->ueToBeScheduled, cmLListDelFrm(&cell->ueToBeScheduled, pendingUeNode)); + + /* DL Data */ + node = cell->ueCb[ueId-1].dlRetxHqList.first; + if(node != NULLP) + { + /* DL Data ReTransmisson */ + isDlMsgPending = true; + isDlMsgScheduled = schFillBoGrantDlSchedInfo(cell, *slotInd, ueId, TRUE, ((SchDlHqProcCb**) &(node->node))); +#ifdef NR_DRX + if(isDlMsgScheduled) + { + schDrxStopDlHqRetxTmr(cell, &cell->ueCb[ueId-1], ((SchDlHqProcCb**) &(node->node))); + } +#endif + cmLListDelFrm(&cell->ueCb[ueId-1].dlRetxHqList, node); + } + else + { + /* DL Data new transmission */ + if((cell->boIndBitMap) & (1<ueCb[ueId-1], PHY_DELTA_DL + SCHED_DELTA); +#endif + } + } + } + + /* Scheduling of UL grant */ + node = cell->ueCb[ueId-1].ulRetxHqList.first; + if(node != NULLP) + { + /* UL Data ReTransmisson */ + isUlGrantPending = true; + isUlGrantScheduled = schProcessSrOrBsrReq(cell, *slotInd, ueId, TRUE, (SchUlHqProcCb**) &(node->node)); + cmLListDelFrm(&cell->ueCb[ueId-1].ulRetxHqList, node); + } + else + { + /* UL Data new transmission */ + if(cell->ueCb[ueId-1].srRcvd || cell->ueCb[ueId-1].bsrRcvd) + { + isUlGrantPending = true; + isUlGrantScheduled = schProcessSrOrBsrReq(cell, *slotInd, ueId, FALSE, &ulHqP); + if(!isUlGrantScheduled) + schUlReleaseHqProcess(ulHqP, FALSE); + else + { +#ifdef NR_DRX + schHdlDrxInActvStrtTmr(cell, &cell->ueCb[ueId-1], PHY_DELTA_UL + SCHED_DELTA); +#endif + } + } + } + + if(!isUlGrantPending && !isDlMsgPending) + { + /* No action required */ + } + else if((isUlGrantPending && !isUlGrantScheduled) || (isDlMsgPending && !isDlMsgScheduled)) + { + cmLListAdd2Tail(&cell->ueToBeScheduled, cmLListDelFrm(&cell->ueToBeScheduled, pendingUeNode)); + } + else + { + SCH_FREE(ueNode, sizeof(uint8_t)); + deleteNodeFromLList(&cell->ueToBeScheduled, pendingUeNode); + } } } - - if((cell->boIndBitMap) & (1<node, sizeof(uint8_t)); - deleteNodeFromLList(&cell->ueToBeScheduled, pendingUeNode); - } - } } /* Check if any PDU is scheduled at this slot for any UE */ @@ -711,7 +1006,7 @@ uint8_t schProcessSlotInd(SlotTimingInfo *slotInd, Inst schInst) dlSchedInfo.rarAlloc[ueIdx] = cell->schDlSlotInfo[slot]->rarAlloc[ueIdx]; cell->schDlSlotInfo[slot]->rarAlloc[ueIdx] = NULLP; } - + /* If DL-Msg PDCCH/PDSCH is scheduled for a UE at this slot, fill * specific interface structure to send to MAC */ if(cell->schDlSlotInfo[dlSchedInfo.schSlotValue.dlMsgTime.slot]->dlMsgAlloc[ueIdx] != NULLP) @@ -720,53 +1015,13 @@ uint8_t schProcessSlotInd(SlotTimingInfo *slotInd, Inst schInst) dlSchedInfo.dlMsgAlloc[ueIdx] = cell->schDlSlotInfo[slot]->dlMsgAlloc[ueIdx]; cell->schDlSlotInfo[slot]->dlMsgAlloc[ueIdx] = NULLP; } - } - /* Check if UL grant must be sent in this slot for a SR/BSR that had been received */ - for(ueIdx=0; ueIdxnumActvUe; ueIdx++) + if(cell->schDlSlotInfo[dlSchedInfo.schSlotValue.ulDciTime.slot]->ulGrant != NULLP) { - uint32_t totDataReq = 0; /* in bytes */ - DciInfo *dciInfo = NULLP; - SchUeCb *ueCb = NULLP; - - ueCb = &cell->ueCb[ueIdx]; - /* check for SR */ - if(ueCb->srRcvd) - { - totDataReq = UL_GRANT_SIZE; /*fixing so that all control msgs can be handled in SR */ - ueCb->srRcvd = false; - } - /* check for BSR */ - for(lcgIdx=0; lcgIdxbsrInfo[lcgIdx].dataVol; - ueCb->bsrInfo[lcgIdx].dataVol = 0; - } - if(totDataReq > 0) /* UL grant must be provided for this UE in this slot */ - { - SchPuschInfo schPuschInfo; - memset(&schPuschInfo, 0, sizeof(SchPuschInfo)); - - SCH_ALLOC(dciInfo, sizeof(DciInfo)); - if(!dciInfo) - { - DU_LOG("\nERROR --> SCH : Memory Allocation failed for dciInfo alloc"); - return RFAILED; - } - memset(dciInfo,0,sizeof(DciInfo)); - - /* update the SFN and SLOT */ - memcpy(&dlSchedInfo.schSlotValue.ulDciTime, slotInd, sizeof(SlotTimingInfo)); - - /* Update PUSCH allocation */ - schFillPuschAlloc(ueCb, dlSchedInfo.schSlotValue.ulDciTime, totDataReq, &schPuschInfo); - - /* Fill DCI for UL grant */ - schFillUlDci(ueCb, schPuschInfo, dciInfo); - memcpy(&dciInfo->slotIndInfo, &dlSchedInfo.schSlotValue.ulDciTime, sizeof(SlotTimingInfo)); - dlSchedInfo.ulGrant = dciInfo; - } + slot = dlSchedInfo.schSlotValue.ulDciTime.slot; + dlSchedInfo.ulGrant = cell->schDlSlotInfo[slot]->ulGrant; + cell->schDlSlotInfo[slot]->ulGrant = NULLP; } /* Send msg to MAC */ @@ -779,7 +1034,9 @@ uint8_t schProcessSlotInd(SlotTimingInfo *slotInd, Inst schInst) schInitDlSlot(cell->schDlSlotInfo[slot]); schUlResAlloc(cell, schInst); - +#ifdef NR_DRX + schHandleExpiryDrxTimer(cell); +#endif return ret; }