X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?a=blobdiff_plain;f=src%2F5gnrsch%2Fsch_slot_ind.c;h=3542bd0181ffc4f0bdc9dd496ac9bda5e5c6363e;hb=7fb274708be5434e1573315b106c554d5562ac42;hp=604ad1febbb91da9599a72f83a239babdf8f4488;hpb=134974ec70ab6e0501889e5d162a3b0c806c3bdc;p=o-du%2Fl2.git diff --git a/src/5gnrsch/sch_slot_ind.c b/src/5gnrsch/sch_slot_ind.c index 604ad1feb..3542bd018 100644 --- a/src/5gnrsch/sch_slot_ind.c +++ b/src/5gnrsch/sch_slot_ind.c @@ -31,29 +31,9 @@ File: sch_slot_ind.c /** @file sch_slot_ind.c @brief This module processes slot indications */ -#include "stdbool.h" -#include "envopt.h" /* environment options */ -#include "envdep.h" /* environment dependent */ -#include "envind.h" /* environment independent */ -#include "gen.h" /* general layer */ -#include "ssi.h" /* system service interface */ -#include "cm_tkns.h" /* Common Token Defines */ -#include "cm_llist.h" /* Common Link List Defines */ -#include "cm_hash.h" /* Common Hash List Defines */ -#include "cm_mblk.h" /* common memory link list library */ -#include "cm_lte.h" /* Common LTE Defines */ +#include "common_def.h" #include "tfu.h" #include "lrg.h" - -#include "gen.x" /* general layer typedefs */ -#include "ssi.x" /* system services typedefs */ -#include "cm5.x" /* system services */ -#include "cm_tkns.x" /* Common Token Definitions */ -#include "cm_llist.x" /* Common Link List Definitions */ -#include "cm_lib.x" /* Common Library Definitions */ -#include "cm_hash.x" /* Common Hash List Definitions */ -#include "cm_mblk.x" /* common memory link list library */ -#include "cm_lte.x" /* Common LTE Defines */ #include "tfu.x" #include "lrg.x" #include "du_log.h" @@ -64,14 +44,12 @@ File: sch_slot_ind.c SchMacDlAllocFunc schMacDlAllocOpts[] = { - packSchMacDlAlloc, - MacProcDlAlloc, - packSchMacDlAlloc + packSchMacDlAlloc, + MacProcDlAlloc, + packSchMacDlAlloc }; -extern SchCb schCb[SCH_MAX_INST]; -extern int schFillRar(RarAlloc *rarAlloc, uint16_t raRnti, uint16_t pci, uint8_t -offsetPointA); +SchCb schCb[SCH_MAX_INST]; /******************************************************************* * @@ -89,15 +67,15 @@ offsetPointA); * RFAILED - failure * * ****************************************************************/ -int sendDlAllocToMac(DlAlloc *dlAlloc, Inst inst) +uint8_t sendDlAllocToMac(DlSchedInfo *dlSchedInfo, Inst inst) { - Pst pst; + Pst pst; memset(&pst, 0, sizeof(Pst)); - SCH_FILL_RSP_PST(pst, inst); - pst.event = EVENT_DL_ALLOC; + FILL_PST_SCH_TO_MAC(pst, inst); + pst.event = EVENT_DL_SCH_INFO; - return(*schMacDlAllocOpts[pst.selector])(&pst, dlAlloc); + return(*schMacDlAllocOpts[pst.selector])(&pst, dlSchedInfo); } @@ -107,7 +85,7 @@ int sendDlAllocToMac(DlAlloc *dlAlloc, Inst inst) * * @details * - * Function : schProcessSlotInd + * Function : schCalcSlotValues * * Functionality: * Handles TTI indication received from PHY @@ -117,134 +95,366 @@ int sendDlAllocToMac(DlAlloc *dlAlloc, Inst inst) * RFAILED - failure * * ****************************************************************/ -uint8_t schProcessSlotInd(SlotIndInfo *slotInd, Inst schInst) +void schCalcSlotValues(SlotTimingInfo slotInd, SchSlotValue *schSlotValue) +{ + /**************************************************************** + * PHY_DELTA - the physical layer delta * + * SCHED_DELTA - scheduler schedules one slot ahead * + * BO_DELTA - this delay is considered for BO response and * + * RLC buffer packet to received at MAC * + * lower-mac (FAPI filling) will be working on PHY_DELTA * + * brdcast scheduler will working on PHY_DELTA + SCHED_DELTA * + * RAR scheduler will working on PHY_DELTA + SCHED_DELTA * + * msg4 scheduler will working on PHY_DELTA + SCHED_DELTA * + * dedicated DL msg scheduler will working * + * 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); +} + +/******************************************************************* + * + * @brief Checks if a slot is to be scheduled for SSB transmission + * + * @details + * + * Function : schCheckSsbOcc + * + * Functionality: + * Checks if a slot is to be scheduled for SSB transmission + * + * @params[in] SlotTimingInfo slotTime + * SchCellCb *cell + * @return Pdu transmission + * + * ****************************************************************/ +PduTxOccsaion schCheckSsbOcc(SlotTimingInfo slotTime, SchCellCb *cell) { - int ret = ROK; - uint8_t ssb_rep; - uint16_t sfn = slotInd->sfn; - uint16_t slot = slotInd->slot; - uint16_t sfnSlot = 0; - DlAlloc dlAlloc; - memset(&dlAlloc,0,sizeof(DlAlloc)); - DlBrdcstAlloc *dlBrdcstAlloc = &dlAlloc.brdcstAlloc; - RarAlloc *rarAlloc = &dlAlloc.rarAlloc; - Msg4Alloc *msg4Alloc; - dlBrdcstAlloc->ssbTrans = NO_SSB; - dlBrdcstAlloc->sib1Trans = NO_SIB1; - - - SchCellCb *cell = schCb[schInst].cells[schInst]; - -#ifdef LTE_L2_MEAS - glblTtiCnt++; -#endif - -// schDlResAlloc(cell, slotInd); - - ssb_rep = cell->cellCfg.ssbSchCfg.ssbPeriod; - memcpy(&cell->slotInfo, slotInd, sizeof(SlotIndInfo)); - dlBrdcstAlloc->ssbIdxSupported = 1; - - if((slot + SCHED_DELTA) >= SCH_NUM_SLOTS) - { - sfn = (sfn+1)%SCH_MAX_SFN; - } - slot = ((slot + SCHED_DELTA) % SCH_NUM_SLOTS); - sfnSlot = ((sfn * 10) + slot); - - dlAlloc.slotIndInfo.sfn = sfn; - dlAlloc.slotIndInfo.slot = slot; - dlAlloc.cellId = cell->cellId; - - /* Identify SSB ocassion*/ - if (sfnSlot % SCH_MIB_TRANS == 0) - { - dlBrdcstAlloc->ssbTrans = SSB_TRANSMISSION; - } - else if (sfnSlot % ssb_rep == 0) - { - dlBrdcstAlloc->ssbTrans = SSB_REPEAT; - } - else - { - /* not SSB occassion */ - } + uint8_t ssb_rep; + ssb_rep = cell->cellCfg.ssbSchCfg.ssbPeriod; + + /* Identify SSB ocassion*/ + if ((slotTime.sfn % SCH_MIB_TRANS == 0) && (slotTime.slot ==0)) + { + return NEW_TRANSMISSION; + } + else if(cell->firstSsbTransmitted) + { + if((ssb_rep == 5) && ((slotTime.slot == 0 || slotTime.slot == 10))) + return REPEATITION; + else if((slotTime.sfn % (ssb_rep/10) == 0) && slotTime.slot == 0) + return REPEATITION; + } + /* not SSB occassion */ + return NO_TRANSMISSION; +} + +/******************************************************************* + * + * @brief Checks if a slot is to be scheduled for SIB1 transmission + * + * @details + * + * Function : schCheckSib1Occ + * + * Functionality: + * Checks if a slot is to be scheduled for SIB1 transmission + * + * @params[in] SlotTimingInfo slotTime + * SchCellCb *cell + * @return Pdu transmission + * + * ****************************************************************/ +PduTxOccsaion schCheckSib1Occ(SlotTimingInfo slotTime, SchCellCb *cell) +{ /* Identify SIB1 occasions */ - if(sfnSlot % cell->cellCfg.sib1SchCfg.sib1NewTxPeriod == 0) - { - dlBrdcstAlloc->sib1Trans = SIB1_TRANSMISSION; - } - else if (sfnSlot % cell->cellCfg.sib1SchCfg.sib1RepetitionPeriod == 0) - { - dlBrdcstAlloc->sib1Trans = SIB1_REPITITION; - } - else - { - /* not SIB1 occassion */ - } - - if(dlBrdcstAlloc->ssbTrans || dlBrdcstAlloc->sib1Trans) - { - dlAlloc.isBroadcastPres = true; - ret = schBroadcastAlloc(cell, dlBrdcstAlloc,slot); + if((slotTime.sfn % SCH_SIB1_TRANS == 0) && (slotTime.slot ==0)) + { + return NEW_TRANSMISSION; + } + else if(cell->firstSib1Transmitted) + { + if((slotTime.sfn % (cell->cellCfg.sib1SchCfg.sib1RepetitionPeriod/10) == 0) && + (slotTime.slot == 0)) + { + return REPEATITION; + } + } + /* not SIB1 occassion */ + return NO_TRANSMISSION; +} + +/******************************************************************* + * + * @brief + * + * @details + * + * Function : + * + * Functionality: + + * + * @params[in] + * @return ROK - success + * RFAILED - failure + * + * ****************************************************************/ +uint8_t schFillBoGrantDlSchedInfo(SchCellCb *cell, DlSchedInfo *dlSchedInfo, DlMsgAlloc *dlMsgAlloc) +{ + uint8_t ueIdx, lcIdx; + uint16_t slot; + uint16_t crnti = 0; + uint32_t accumalatedSize = 0; + SchUeCb *ueCb = NULLP; + + while(cell->boIndBitMap) + { + slot = dlSchedInfo->schSlotValue.dlMsgTime.slot; + + GET_RIGHT_MOST_SET_BIT(cell->boIndBitMap, ueIdx); + GET_CRNTI(crnti,ueIdx); + ueCb = &cell->ueCb[ueIdx-1]; + + /* allocate PDCCH and PDSCH resources for the ue */ + SCH_ALLOC(dlMsgAlloc, sizeof(DlMsgAlloc)); + if(!dlMsgAlloc) + { + DU_LOG("\nERROR --> SCH : Memory Allocation failed for ded DL msg alloc"); + return RFAILED; + } + memset(dlMsgAlloc, 0, sizeof(DlMsgAlloc)); + dlSchedInfo->dlMsgAlloc = dlMsgAlloc; + dlMsgAlloc->crnti = crnti; + + /* Dl ded Msg info is copied, this was earlier filled in macSchDlRlcBoInfo */ + memcpy(&dlMsgAlloc->dlMsgInfo, cell->schDlSlotInfo[slot]->dlMsgInfo, \ + sizeof(DlMsgInfo)); + + /* scheduled LC data fill */ + dlMsgAlloc->numLc = 0; + for(lcIdx = 0; lcIdx < MAX_NUM_LC; lcIdx++) + { + if(ueCb->dlInfo.dlLcCtxt[lcIdx].bo) + { + dlMsgAlloc->lcSchInfo[dlMsgAlloc->numLc].lcId = lcIdx; + + /* calculation for BO includse RLC and MAC header size */ + dlMsgAlloc->lcSchInfo[dlMsgAlloc->numLc].schBytes = \ + ueCb->dlInfo.dlLcCtxt[lcIdx].bo + MAC_HDR_SIZE; + accumalatedSize += dlMsgAlloc->lcSchInfo[dlMsgAlloc->numLc].schBytes; + dlMsgAlloc->numLc++; + } + ueCb->dlInfo.dlLcCtxt[lcIdx].bo = 0; + } + + if (!dlMsgAlloc->numLc) + { + DU_LOG("\nDEBUG --> SCH : No bo for any lcid\n"); + return ROK; + } + + /* pdcch and pdsch data is filled */ + schDlRsrcAllocDlMsg(dlMsgAlloc, cell, crnti, &accumalatedSize, slot); + /* Calculated TB size could be less than the total size requested. + * Hence, updated the scheduled bytes report. Following is valid only for + * one LC. + * TODO : Update the scheduling byte report for multiple LC based on QCI + * and Priority */ + dlMsgAlloc->lcSchInfo[dlMsgAlloc->numLc -1].schBytes = accumalatedSize; + + /* PUCCH resource */ + schAllocPucchResource(cell, dlMsgAlloc->crnti, slot); + + /* Free the dl ded msg info allocated in macSchDlRlcBoInfo */ + SCH_FREE(cell->schDlSlotInfo[dlSchedInfo->schSlotValue.dlMsgTime.slot]->dlMsgInfo, \ + sizeof(DlMsgInfo)); + cell->schDlSlotInfo[dlSchedInfo->schSlotValue.dlMsgTime.slot]->dlMsgInfo = NULL; + + /* after allocation is done, unset the bo bit for that ue */ + UNSET_ONE_BIT(ueIdx, cell->boIndBitMap); + } + + return ROK; +} + +/******************************************************************* + * + * @brief Handles slot indication at SCH + * + * @details + * + * Function : schProcessSlotInd + * + * Functionality: + * Handles TTI indication received from PHY + * + * @params[in] + * @return ROK - success + * RFAILED - failure + * + * ****************************************************************/ +uint8_t schProcessSlotInd(SlotTimingInfo *slotInd, Inst schInst) +{ + uint8_t ueIdx, lcgIdx, ret = ROK; + uint16_t slot; + DlSchedInfo dlSchedInfo; + DlBrdcstAlloc *dlBrdcstAlloc = NULLP; + DlMsgAlloc *msg4Alloc = NULLP; + DlMsgAlloc *dlMsgAlloc = NULLP; + SchCellCb *cell = NULLP; + + memset(&dlSchedInfo,0,sizeof(DlSchedInfo)); + dlSchedInfo.dlMsgAlloc = NULLP; + schCalcSlotValues(*slotInd, &dlSchedInfo.schSlotValue); + dlBrdcstAlloc = &dlSchedInfo.brdcstAlloc; + dlBrdcstAlloc->ssbTrans = NO_TRANSMISSION; + dlBrdcstAlloc->sib1Trans = NO_TRANSMISSION; + + cell = schCb[schInst].cells[schInst]; + if(cell == NULLP) + { + DU_LOG("\nERROR --> SCH : Cell Does not exist"); + return RFAILED; + } + memcpy(&cell->slotInfo, slotInd, sizeof(SlotTimingInfo)); + dlBrdcstAlloc->ssbIdxSupported = SSB_IDX_SUPPORTED; + + slot = dlSchedInfo.schSlotValue.currentTime.slot; + + dlSchedInfo.cellId = cell->cellId; + + /* Check if this slot is SSB occassion */ + dlBrdcstAlloc->ssbTrans = schCheckSsbOcc(dlSchedInfo.schSlotValue.broadcastTime, cell); + if((dlBrdcstAlloc->ssbTrans == NEW_TRANSMISSION) && (!cell->firstSsbTransmitted)) + cell->firstSsbTransmitted = true; + + /* Check if this slot is SIB1 occassion */ + dlBrdcstAlloc->sib1Trans = schCheckSib1Occ(dlSchedInfo.schSlotValue.broadcastTime, cell); + if((dlBrdcstAlloc->sib1Trans == NEW_TRANSMISSION) && (!cell->firstSib1Transmitted)) + cell->firstSib1Transmitted = true; + + if(dlBrdcstAlloc->ssbTrans || dlBrdcstAlloc->sib1Trans) + { + dlSchedInfo.isBroadcastPres = true; + slot = dlSchedInfo.schSlotValue.broadcastTime.slot; + ret = schBroadcastAlloc(cell,dlBrdcstAlloc,slot); if(ret != ROK) { - DU_LOG("\nschBroadcastAlloc failed"); - RETVALUE(ret); + DU_LOG("\nERROR --> SCH : schBroadcastAlloc failed"); + return ret; } } + /* Check for Pending RA Requests */ + schProcessRaReq(*slotInd, cell); + /* check for RAR */ - if(cell->dlAlloc[slot]->rarPres == true) - { - dlAlloc.isRarPres = true; - /* RAR info is copied, this was earlier filled in schProcessRachInd */ - memcpy(&rarAlloc->rarInfo, &cell->dlAlloc[slot]->rarInfo, sizeof(RarInfo)); - - /* pdcch and pdsch data is filled */ - schFillRar(rarAlloc, - cell->dlAlloc[slot]->rarInfo.raRnti, - cell->cellCfg.phyCellId, - cell->cellCfg.ssbSchCfg.ssbOffsetPointA); - - cell->dlAlloc[slot]->rarPres = false; + if(cell->schDlSlotInfo[dlSchedInfo.schSlotValue.rarTime.slot]->rarAlloc != NULLP) + { + slot = dlSchedInfo.schSlotValue.rarTime.slot; + dlSchedInfo.rarAlloc = cell->schDlSlotInfo[slot]->rarAlloc; + cell->schDlSlotInfo[slot]->rarAlloc = NULLP; } /* check for MSG4 */ - if(cell->dlAlloc[slot]->msg4Info) + if((cell->schDlSlotInfo[dlSchedInfo.schSlotValue.dlMsgTime.slot]->dlMsgInfo != NULLP) && + (cell->schDlSlotInfo[dlSchedInfo.schSlotValue.dlMsgTime.slot]->dlMsgInfo->isMsg4Pdu)) + { + slot = dlSchedInfo.schSlotValue.dlMsgTime.slot; + + SCH_ALLOC(msg4Alloc, sizeof(DlMsgAlloc)); + if(!msg4Alloc) + { + DU_LOG("\nERROR --> SCH : Memory Allocation failed for msg4 alloc"); + return RFAILED; + } + + dlSchedInfo.dlMsgAlloc = msg4Alloc; + + /* Msg4 info is copied, this was earlier filled in macSchDlRlcBoInfo */ + memcpy(&msg4Alloc->dlMsgInfo, cell->schDlSlotInfo[slot]->dlMsgInfo, \ + sizeof(DlMsgInfo)); + + /* pdcch and pdsch data is filled */ + schDlRsrcAllocMsg4(msg4Alloc, cell, dlSchedInfo.schSlotValue.dlMsgTime.slot, dlBrdcstAlloc->ssbTrans, dlBrdcstAlloc->sib1Trans); + + /* PUCCH resource */ + schAllocPucchResource(cell, msg4Alloc->dlMsgInfo.crnti, dlSchedInfo.schSlotValue.dlMsgTime.slot); + + SCH_FREE(cell->schDlSlotInfo[dlSchedInfo.schSlotValue.dlMsgTime.slot]->dlMsgInfo, sizeof(DlMsgInfo)); + cell->schDlSlotInfo[dlSchedInfo.schSlotValue.dlMsgTime.slot]->dlMsgInfo = NULL; + } + + /* check if UL grant must be sent in this slot for a SR/BSR that had been received */ + for(ueIdx=0; ueIdxnumActvUe; ueIdx++) { - SCH_ALLOC(msg4Alloc, sizeof(Msg4Alloc)); - if(!msg4Alloc) - { - DU_LOG("\nMAC: Memory Allocation failed for msg4 alloc"); - return RFAILED; - } - - dlAlloc.msg4Alloc = msg4Alloc; - - /* Msg4 info is copied, this was earlier filled in macSchDlRlcBoInfo */ - memcpy(&msg4Alloc->msg4Info, cell->dlAlloc[slot]->msg4Info, \ - sizeof(Msg4Info)); - - /* pdcch and pdsch data is filled */ - schDlRsrcAllocMsg4(msg4Alloc, cell, slot); - SCH_FREE(cell->dlAlloc[slot]->msg4Info, sizeof(Msg4Info)); - cell->dlAlloc[slot]->msg4Info = NULL; + 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)); + slot = dlSchedInfo.schSlotValue.ulDciTime.slot; + /* Update PUSCH allocation */ + schFillPuschAlloc(ueCb, slot, totDataReq, &schPuschInfo); + /* Fill DCI for UL grant */ + schFillUlDci(ueCb, schPuschInfo, dciInfo); + memcpy(&dciInfo->slotIndInfo, &dlSchedInfo.schSlotValue.ulDciTime, sizeof(SlotTimingInfo)); + dlSchedInfo.ulGrant = dciInfo; + } } + /* Check for pending BO grant for LC */ + if((cell->schDlSlotInfo[dlSchedInfo.schSlotValue.dlMsgTime.slot]->dlMsgInfo != NULLP) && + (!cell->schDlSlotInfo[dlSchedInfo.schSlotValue.dlMsgTime.slot]->dlMsgInfo->isMsg4Pdu)) + { + schFillBoGrantDlSchedInfo(cell, &dlSchedInfo, dlMsgAlloc); + } - /* send msg to MAC */ - ret = sendDlAllocToMac(&dlAlloc, schInst); + /* send msg to MAC */ + ret = sendDlAllocToMac(&dlSchedInfo, schInst); if(ret != ROK) { - DU_LOG("\nSending DL Broadcast allocation from SCH to MAC failed"); - RETVALUE(ret); + DU_LOG("\nERROR --> SCH : Sending DL Broadcast allocation from SCH to MAC failed"); + return (ret); } - - schUlResAlloc(cell, schInst); - return ret; + schInitDlSlot(cell->schDlSlotInfo[slot]); + schUlResAlloc(cell, schInst); + + + return ret; } /**********************************************************************