/** @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"
#include "du_app_mac_inf.h"
#include "mac_sch_interface.h"
#include "sch.h"
+#include "sch_utils.h"
+#ifdef NR_DRX
+#include "sch_drx.h"
+#endif
-SchMacDlBrdcstAllocFunc schMacDlBrdcstAllocOpts[] =
+/*******************************************************************
+ *
+ * @brief Handles sending DL broadcast alloc to MAC
+ *
+ * @details
+ *
+ * Function : sendDlAllocToMac
+ *
+ * Functionality:
+ * Sends DL Broadcast Resource Allocation to MAC from SCH
+ *
+ * @params[in]
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+uint8_t sendDlAllocToMac(DlSchedInfo *dlSchedInfo, Inst inst)
{
- packSchMacDlBrdcstAlloc,
- MacProcDlBrdcstAlloc,
- packSchMacDlBrdcstAlloc
-};
+ Pst pst;
-extern SchCb schCb[SCH_MAX_INST];
+ memset(&pst, 0, sizeof(Pst));
+ FILL_PST_SCH_TO_MAC(pst, inst);
+ pst.event = EVENT_DL_SCH_INFO;
+ return(MacMessageRouter(&pst, (void *)dlSchedInfo));
+}
/*******************************************************************
*
- * @brief Handles sending DL broadcast alloc to MAC
+ * @brief
*
* @details
*
- * Function : sendDlBrdcstAllocToMac
+ * Function : schFillBoGrantDlSchedInfo
*
* Functionality:
- * Sends DL Broadcast Resource Allocation to MAC from SCH
+
+ *
+ * @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 isRetx, SchDlHqProcCb **hqP)
+{
+ uint8_t pdschNumSymbols = 0, pdschStartSymbol = 0;
+ uint16_t startPrb = 0;
+ uint16_t crnti = 0;
+ uint32_t accumalatedSize = 0;
+ SchUeCb *ueCb = NULLP;
+ DlMsgAlloc *dciSlotAlloc, *dlMsgAlloc;
+ SlotTimingInfo pdcchTime, pdschTime, pucchTime;
+
+ 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.servCellRecfg.initDlBwp.k0K1TblPrsnt,\
+ &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)
+ {
+
+ SCH_ALLOC(dciSlotAlloc, sizeof(DlMsgAlloc));
+ if(!dciSlotAlloc)
+ {
+ DU_LOG("\nERROR --> SCH : Memory Allocation failed for ded DL msg alloc");
+ return false;
+ }
+ cell->schDlSlotInfo[pdcchTime.slot]->dlMsgAlloc[ueId -1] = dciSlotAlloc;
+ memset(dciSlotAlloc, 0, sizeof(DlMsgAlloc));
+ dciSlotAlloc->crnti = crnti;
+ }
+ 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, isRetx, *hqP);
+ dciSlotAlloc->dlMsgSchedInfo[dciSlotAlloc->numSchedInfo].isRetx = isRetx;
+
+ accumalatedSize = cell->api->SchScheduleDlLc(pdcchTime, pdschTime, pdschNumSymbols, isRetx, hqP);
+
+ /*Below case will hit if NO LC(s) are allocated due to resource crunch*/
+ if (!accumalatedSize)
+ return false;
+
+ /*[Step6]: pdcch and pdsch data is filled */
+ if((schDlRsrcAllocDlMsg(cell, pdschTime, crnti, accumalatedSize, dciSlotAlloc, startPrb, pdschStartSymbol, pdschNumSymbols, isRetx, *hqP)) != ROK)
+ {
+ DU_LOG("\nERROR --> SCH : Scheduling of DL dedicated message 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;
+ }
+
+ /* TODO : Update the scheduling byte report for multiple LC based on QCI
+ * and Priority */
+ /* As of now, the total number of bytes scheduled for a slot is divided
+ * equally amongst all LC with pending data. This is avoid starving of any
+ * LC
+ * */
+#if 0
+ accumalatedSize = accumalatedSize/dlMsgAlloc->numLc;
+ for(lcIdx = 0; lcIdx < dlMsgAlloc->numLc; lcIdx ++)
+ dlMsgAlloc->lcSchInfo[lcIdx].schBytes = accumalatedSize;
+#endif
+
+ /* Check if both DCI and DL_MSG are sent in the same slot.
+ * If not, allocate memory for DL_MSG PDSCH slot to store PDSCH info */
+
+ if(pdcchTime.slot == pdschTime.slot)
+ {
+ dciSlotAlloc->dlMsgSchedInfo[dciSlotAlloc->numSchedInfo].pduPres = BOTH;
+ dciSlotAlloc->numSchedInfo++;
+ }
+ else
+ {
+ /* Allocate memory to schedule dlMsgAlloc to send DL_Msg, pointer will be checked at schProcessSlotInd() */
+ if(cell->schDlSlotInfo[pdschTime.slot]->dlMsgAlloc[ueId-1] == NULLP)
+ {
+ SCH_ALLOC(dlMsgAlloc, sizeof(DlMsgAlloc));
+ if(dlMsgAlloc == NULLP)
+ {
+ DU_LOG("\nERROR --> SCH : Memory Allocation failed for dlMsgAlloc");
+ if(dciSlotAlloc->numSchedInfo == 0)
+ {
+ SCH_FREE(dciSlotAlloc, sizeof(DlMsgAlloc));
+ cell->schDlSlotInfo[pdcchTime.slot]->dlMsgAlloc[ueId-1] = NULLP;
+ }
+ else
+ memset(&dciSlotAlloc->dlMsgSchedInfo[dciSlotAlloc->numSchedInfo], 0, sizeof(DlMsgSchInfo));
+ return false;
+ }
+ cell->schDlSlotInfo[pdschTime.slot]->dlMsgAlloc[ueId-1] = dlMsgAlloc;
+ memset(dlMsgAlloc, 0, sizeof(DlMsgAlloc));
+ dlMsgAlloc->crnti = dciSlotAlloc->crnti;
+ }
+ else
+ dlMsgAlloc = cell->schDlSlotInfo[pdschTime.slot]->dlMsgAlloc[ueId-1];
+
+ /* Copy all DL_MSG info */
+ memcpy(&dlMsgAlloc->dlMsgSchedInfo[dlMsgAlloc->numSchedInfo], \
+ &dciSlotAlloc->dlMsgSchedInfo[dciSlotAlloc->numSchedInfo], sizeof(DlMsgSchInfo));
+ dlMsgAlloc->dlMsgSchedInfo[dlMsgAlloc->numSchedInfo].dlMsgPdcchCfg.dci.pdschCfg = \
+ &dlMsgAlloc->dlMsgSchedInfo[dlMsgAlloc->numSchedInfo].dlMsgPdschCfg;
+
+ /* Assign correct PDU types in corresponding slots */
+ dlMsgAlloc->dlMsgSchedInfo[dlMsgAlloc->numSchedInfo].pduPres = PDSCH_PDU;
+ dciSlotAlloc->dlMsgSchedInfo[dciSlotAlloc->numSchedInfo].pduPres = PDCCH_PDU;
+ dciSlotAlloc->dlMsgSchedInfo[dciSlotAlloc->numSchedInfo].pdschSlot = pdschTime.slot;
+
+ dciSlotAlloc->numSchedInfo++;
+ dlMsgAlloc->numSchedInfo++;
+ }
+
+ 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 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
*
* ****************************************************************/
-int sendDlBrdcstAllocToMac(DlBrdcstAlloc *dlBrdcstAlloc, Inst inst)
+uint8_t sendDlPageAllocToMac(DlPageAlloc *dlPageAlloc, Inst inst)
{
- Pst pst;
+ Pst pst;
memset(&pst, 0, sizeof(Pst));
- SCH_FILL_RSP_PST(pst, inst);
- pst.event = EVENT_DL_BRDCST_ALLOC;
+ FILL_PST_SCH_TO_MAC(pst, inst);
+ pst.event = EVENT_DL_PAGING_ALLOC;
+
+ return(MacMessageRouter(&pst, (void *)dlPageAlloc));
+}
+
+/*******************************************************************
+ *
+ * @brief Handles slot indication at SCH
+ *
+ * @details
+ *
+ * Function : schCalcSlotValues
+ *
+ * Functionality:
+ * Handles TTI indication received from PHY
+ *
+ * @params[in]
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+void schCalcSlotValues(SlotTimingInfo slotInd, SchSlotValue *schSlotValue, uint16_t numOfSlots)
+{
+ /****************************************************************
+ * 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, 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);
+}
+
+/*******************************************************************
+ *
+ * @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(SchCellCb *cell, SlotTimingInfo slotTime)
+{
+ uint8_t ssb_rep;
+
+ ssb_rep = cell->cellCfg.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(SchCellCb *cell, SlotTimingInfo slotTime)
+{
+ /* Identify SIB1 occasions */
+ if((slotTime.sfn % SCH_SIB1_TRANS == 0) && (slotTime.slot ==0))
+ {
+ return NEW_TRANSMISSION;
+ }
+ else if(cell->firstSib1Transmitted)
+ {
+ if((slotTime.sfn % (SIB1_REPETITION_PERIOD/10) == 0) &&
+ (slotTime.slot == 0))
+ {
+ return REPEATITION;
+ }
+ }
+ /* not SIB1 occassion */
+ return NO_TRANSMISSION;
+}
- return(*schMacDlBrdcstAllocOpts[pst.selector])(&pst, dlBrdcstAlloc);
+/*******************************************************************
+ *
+ * @brief find correct combination of k0-k1 value
+ *
+ * @details
+ *
+ * Function : findValidK0K1Value
+ *
+ * Functionality:
+ * find correct combination of k0-k1 value
+ *
+ * @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 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, cell->numSlots);
+#ifdef NR_TDD
+ if(schGetSlotSymbFrmt(pdcchTime->slot, cell->slotFrmtBitMap) != DL_SLOT)
+ {
+ /* If it is not a DL slot, cannot schedule PDCCH. Return from here. */
+ return false;
+ }
+#endif
+
+ if(cell->schDlSlotInfo[pdcchTime->slot]->pdcchUe != 0)
+ {
+ return false;
+ }
+
+ if(dedMsg == true)
+ {
+ ueCb = &cell->ueCb[ueId-1];
+ k0K1InfoTbl = &ueCb->ueCfg.spCellCfg.servCellRecfg.initDlBwp.k0K1InfoTbl;
+ }
+ else
+ {
+ k0K1InfoTbl = &cell->k0K1InfoTbl;
+ }
+
+ numK0 = k0K1InfoTbl->k0k1TimingInfo[pdcchTime->slot].numK0;
+ for(k0TblIdx = 0; k0TblIdx < numK0; k0TblIdx++)
+ {
+ k0Index = k0K1InfoTbl->k0k1TimingInfo[pdcchTime->slot].k0Indexes[k0TblIdx].k0Index;
+ if(dedMsg != true)
+ {
+ k0Val = cell->cellCfg.dlCfgCommon.schInitialDlBwp.pdschCommon.timeDomRsrcAllocList[k0Index].k0;
+ *pdschStartSymbol = cell->cellCfg.dlCfgCommon.schInitialDlBwp.pdschCommon.timeDomRsrcAllocList[k0Index].startSymbol;
+ *pdschSymblLen = cell->cellCfg.dlCfgCommon.schInitialDlBwp.pdschCommon.timeDomRsrcAllocList[k0Index].lengthSymbol;
+ }
+ else
+ {
+ if(ueCb->ueCfg.spCellCfg.servCellRecfg.initDlBwp.pdschCfg.timeDomRsrcAllociList[k0Index].k0 != NULLP)
+ {
+ k0Val = *(ueCb->ueCfg.spCellCfg.servCellRecfg.initDlBwp.pdschCfg.timeDomRsrcAllociList[k0Index].k0);
+ *pdschStartSymbol = ueCb->ueCfg.spCellCfg.servCellRecfg.initDlBwp.pdschCfg.timeDomRsrcAllociList[k0Index].startSymbol;
+ *pdschSymblLen = ueCb->ueCfg.spCellCfg.servCellRecfg.initDlBwp.pdschCfg.timeDomRsrcAllociList[k0Index].symbolLength;
+ }
+ }
+
+ ADD_DELTA_TO_TIME((*pdcchTime), (*pdschTime), k0Val, cell->numSlots);
+#ifdef NR_TDD
+ if(schGetSlotSymbFrmt(pdschTime->slot, cell->slotFrmtBitMap) != DL_SLOT)
+ {
+ continue;
+ }
+#endif
+ if(cell->schDlSlotInfo[pdschTime->slot]->pdschUe != 0)
+ {
+ continue;
+ }
+
+ numK1 = k0K1InfoTbl->k0k1TimingInfo[pdcchTime->slot].k0Indexes[k0TblIdx].k1TimingInfo.numK1;
+ for(k1TblIdx = 0; k1TblIdx < numK1; k1TblIdx++)
+ {
+ k1Index = k0K1InfoTbl->k0k1TimingInfo[pdcchTime->slot].k0Indexes[k0TblIdx].k1TimingInfo.k1Indexes[k1TblIdx];
+ if(dedMsg != true)
+ {
+ k1Val = defaultUlAckTbl[k1Index];
+ }
+ else
+ {
+ if(ueCb->ueCfg.spCellCfg.servCellRecfg.initUlBwp.pucchCfg.dlDataToUlAck)
+ {
+ k1Val = ueCb->ueCfg.spCellCfg.servCellRecfg.initUlBwp.pucchCfg.dlDataToUlAck->dlDataToUlAckList[k1Index];
+ }
+ }
+ ADD_DELTA_TO_TIME((*pdschTime),(*pucchTime), k1Val, cell->numSlots);
+#ifdef NR_TDD
+ if(schGetSlotSymbFrmt(pucchTime->slot, cell->slotFrmtBitMap) == DL_SLOT)
+ {
+ continue;
+ }
+#endif
+ if(cell->schUlSlotInfo[pucchTime->slot]->pucchUe != 0)
+ {
+ 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;
}
+
+/*******************************************************************
+*
+* @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.pageDlDci.freqDomainResource, cell->sib1SchCfg.sib1PdcchCfg.coresetCfg.freqDomainResource, 6 * sizeof(uint8_t));
+ dlPageAlloc.pageDlDci.durationSymbols = cell->sib1SchCfg.sib1PdcchCfg.coresetCfg.durationSymbols;
+ dlPageAlloc.pageDlDci.cceRegMappingType = INTERLEAVED_CCE_REG_MAPPING;
+ dlPageAlloc.pageDlDci.cceReg.interleaved.regBundleSize = cell->sib1SchCfg.sib1PdcchCfg.coresetCfg.regBundleSize;
+ dlPageAlloc.pageDlDci.cceReg.interleaved.interleaverSize = cell->sib1SchCfg.sib1PdcchCfg.coresetCfg.interleaverSize;
+ dlPageAlloc.pageDlDci.cceReg.interleaved.shiftIndex = cell->sib1SchCfg.sib1PdcchCfg.coresetCfg.shiftIndex;
+ dlPageAlloc.pageDlDci.ssStartSymbolIndex = cell->sib1SchCfg.sib1PdcchCfg.coresetCfg.startSymbolIndex;
+ dlPageAlloc.pageDlDci.cceIndex = cell->sib1SchCfg.sib1PdcchCfg.dci.cceIndex;
+ dlPageAlloc.pageDlDci.aggregLevel = cell->sib1SchCfg.sib1PdcchCfg.dci.aggregLevel;
+ dlPageAlloc.pageDlDci.precoderGranularity = cell->sib1SchCfg.sib1PdcchCfg.coresetCfg.precoderGranularity;
+ dlPageAlloc.pageDlDci.coreSetSize = cell->sib1SchCfg.sib1PdcchCfg.coresetCfg.coreSetSize;
+ /*Fill BWP*/
+ memcpy(&dlPageAlloc.bwp, &cell->sib1SchCfg.bwp, sizeof(BwpCfg));
+
+ /*Fill PDSCH*/
+ if(schFillPagePdschCfg(cell, &dlPageAlloc.pageDlSch, 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;
+ }
+
+ /*Fill Page PDU information*/
+ dlPageAlloc.pageDlSch.dlPagePduLen = pageInfo->msgLen;
+
+ SCH_ALLOC(dlPageAlloc.pageDlSch.dlPagePdu, sizeof(dlPageAlloc.pageDlSch.dlPagePduLen));
+
+ if(dlPageAlloc.pageDlSch.dlPagePdu == NULLP)
+ {
+ DU_LOG("\nERROR --> SCH: Memory Allocation Failed during Page Resource allocation");
+ break;
+ }
+ memcpy(dlPageAlloc.pageDlSch.dlPagePdu, pageInfo->pagePdu, dlPageAlloc.pageDlSch.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.pageDlSch.dlPagePdu, sizeof(dlPageAlloc.pageDlSch.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
*
* @details
*
- * Function : schProcessSlotInd
+ * Function : SchProcSlotInd
*
* Functionality:
* Handles TTI indication received from PHY
* RFAILED - failure
*
* ****************************************************************/
-int schProcessSlotInd(SlotIndInfo *slotInd, Inst schInst)
+uint8_t SchProcSlotInd(Pst *pst, SlotTimingInfo *slotInd)
{
- int ret = ROK;
- uint8_t ssb_rep;
- uint16_t sfn = slotInd->sfn;
- uint16_t slot = slotInd->slot;
- uint16_t sfnSlot = 0;
- DlBrdcstAlloc dlBrdcstAlloc;
- dlBrdcstAlloc.ssbTrans = NO_SSB;
- dlBrdcstAlloc.sib1Trans = NO_SIB1;
- SchCellCb *cell;
-
-#ifdef LTE_L2_MEAS
- glblTtiCnt++;
+ uint8_t ueIdx, ret = ROK;
+ uint16_t slot;
+ DlSchedInfo dlSchedInfo;
+ DlBrdcstAlloc *dlBrdcstAlloc = NULLP;
+ SchCellCb *cell = NULLP;
+ Inst schInst = pst->dstInst-SCH_INST_START;
+
+ cell = schCb[schInst].cells[schInst];
+ if(cell == NULLP)
+ {
+ 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->ssbTransmissionMode = NO_TRANSMISSION;
+ dlBrdcstAlloc->sib1TransmissionMode = 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
-
- cell = schCb[schInst].cells[schInst];
-// schDlResAlloc(cell, slotInd);
-
- ssb_rep = cell->cellCfg.ssbSchCfg.ssbPeriod;
- memcpy(&cell->slotInfo, slotInd, sizeof(SlotIndInfo));
- dlBrdcstAlloc.cellId = cell->cellId;
- dlBrdcstAlloc.ssbIdxSupported = 1;
-
- if((slot + SCHED_DELTA) >= 10)
- {
- sfn++;
- }
- slot = ((slot + SCHED_DELTA) % 10 );
- sfnSlot = ((sfn * 10) + slot);
-
- dlBrdcstAlloc.slotIndInfo.sfn = sfn;
- dlBrdcstAlloc.slotIndInfo.slot = slot;
-
- /* 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 */
- }
+
+ /* Check for SSB occassion */
+ dlBrdcstAlloc->ssbTransmissionMode = schCheckSsbOcc(cell, dlSchedInfo.schSlotValue.broadcastTime);
+ if(dlBrdcstAlloc->ssbTransmissionMode)
+ {
+ if(schBroadcastSsbAlloc(cell, dlSchedInfo.schSlotValue.broadcastTime, dlBrdcstAlloc) != ROK)
+ {
+ DU_LOG("\nERROR --> SCH : schBroadcastSsbAlloc failed");
+ dlBrdcstAlloc->ssbTransmissionMode = NO_TRANSMISSION;
+ }
+ else
+ {
+ dlSchedInfo.isBroadcastPres = true;
+ if((dlBrdcstAlloc->ssbTransmissionMode == NEW_TRANSMISSION) && (!cell->firstSsbTransmitted))
+ cell->firstSsbTransmitted = true;
+ }
+ }
- /* 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)
- {
- ret = schCmnDlAlloc(cell, &dlBrdcstAlloc);
- if(ret != ROK)
- {
- DU_LOG("\nschCmnDlAlloc failed");
- RETVALUE(ret);
- }
- }
- //send msg to MAC
- ret = sendDlBrdcstAllocToMac(&dlBrdcstAlloc, schInst);
+ /* Check for SIB1 occassion */
+ dlBrdcstAlloc->sib1TransmissionMode = schCheckSib1Occ(cell, dlSchedInfo.schSlotValue.broadcastTime);
+ if(dlBrdcstAlloc->sib1TransmissionMode)
+ {
+ if(schBroadcastSib1Alloc(cell, dlSchedInfo.schSlotValue.broadcastTime, dlBrdcstAlloc) != ROK)
+ {
+ DU_LOG("\nERROR --> SCH : schBroadcastSib1Alloc failed");
+ dlBrdcstAlloc->sib1TransmissionMode = NO_TRANSMISSION;
+ }
+ else
+ {
+ dlSchedInfo.isBroadcastPres = true;
+ if((dlBrdcstAlloc->sib1TransmissionMode == NEW_TRANSMISSION) && (!cell->firstSib1Transmitted))
+ cell->firstSib1Transmitted = true;
+ }
+ }
+
+ /*Process Paging Msg*/
+ schProcDlPageAlloc(cell, *slotInd, schInst);
+
+ cell->api->SchScheduleSlot(cell, slotInd, schInst);
+
+ /* Check if any PDU is scheduled at this slot for any UE */
+ for(ueIdx=0; ueIdx<MAX_NUM_UE; ueIdx++)
+ {
+ /* If RAR PDCCH/PDSCH is scheduled for a UE at this slot, fill RAR specific interface
+ * structure to send to MAC */
+ if(cell->schDlSlotInfo[dlSchedInfo.schSlotValue.rarTime.slot]->rarAlloc[ueIdx] != NULLP)
+ {
+ slot = dlSchedInfo.schSlotValue.rarTime.slot;
+ 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)
+ {
+ slot = dlSchedInfo.schSlotValue.dlMsgTime.slot;
+ dlSchedInfo.dlMsgAlloc[ueIdx] = cell->schDlSlotInfo[slot]->dlMsgAlloc[ueIdx];
+ cell->schDlSlotInfo[slot]->dlMsgAlloc[ueIdx] = NULLP;
+ }
+ }
+
+ if(cell->schDlSlotInfo[dlSchedInfo.schSlotValue.ulDciTime.slot]->ulGrant != NULLP)
+ {
+ slot = dlSchedInfo.schSlotValue.ulDciTime.slot;
+ dlSchedInfo.ulGrant = cell->schDlSlotInfo[slot]->ulGrant;
+ cell->schDlSlotInfo[slot]->ulGrant = NULLP;
+ }
+
+ /* 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);
+#ifdef NR_DRX
+ schHandleExpiryDrxTimer(cell);
+#endif
+ return ret;
}
/**********************************************************************
Code Review / o-du / l2.git / blobdiff