#include "rg_sch_inf.x" /* typedefs for Scheduler */
#include "mac_sch_interface.h"
#include "sch.h"
+#include "sch_tmr.h"
#include "sch_utils.h"
#include "sch_fcfs.h"
#include "sch_slice_based.h"
-/**
- * @brief Task Initiation function.
- *
- * @details
- *
- * Function : schActvInit
- *
- * This function is supplied as one of parameters during MAC's
- * task registration. MAC will invoke this function once, after
- * it creates and attaches this TAPA Task to a system task.
- *
- * @param[in] Ent Entity, the entity ID of this task.
- * @param[in] Inst Inst, the instance ID of this task.
- * @param[in] Region Region, the region ID registered for memory
- * usage of this task.
- * @param[in] Reason Reason.
- * @return int
- * -# ROK
- **/
-uint8_t schActvInit(Ent entity, Inst instId, Region region, Reason reason)
-{
- Inst inst = (instId - SCH_INST_START);
-
- /* Initialize the MAC TskInit structure to zero */
- memset ((uint8_t *)&schCb[inst], 0, sizeof(schCb));
-
- /* Initialize the MAC TskInit with received values */
- schCb[inst].schInit.ent = entity;
- schCb[inst].schInit.inst = inst;
- schCb[inst].schInit.region = region;
- schCb[inst].schInit.pool = 0;
- schCb[inst].schInit.reason = reason;
- schCb[inst].schInit.cfgDone = FALSE;
- schCb[inst].schInit.acnt = FALSE;
- schCb[inst].schInit.usta = FALSE;
- schCb[inst].schInit.trc = FALSE;
- schCb[inst].schInit.procId = ODU_GET_PROCID();
-
- return ROK;
-} /* schActvInit */
-
/**
* @brief Scheduler All Apis initialized.
*
schCb[inst].schInit.region = cfg->s.schInstCfg.genCfg.mem.region;
schCb[inst].schInit.pool = cfg->s.schInstCfg.genCfg.mem.pool;
- schCb[inst].genCfg.tmrRes = cfg->s.schInstCfg.genCfg.tmrRes;
#ifdef LTE_ADV
schCb[inst].genCfg.forceCntrlSrbBoOnPCel = cfg->s.schInstCfg.genCfg.forceCntrlSrbBoOnPCel;
schCb[inst].genCfg.isSCellActDeactAlgoEnable = cfg->s.schInstCfg.genCfg.isSCellActDeactAlgoEnable;
#endif
schCb[inst].genCfg.startCellId = cfg->s.schInstCfg.genCfg.startCellId;
+ schCb[inst].schTimersInfo.tmrRes = cfg->s.schInstCfg.genCfg.tmrRes;
/* Initialzie the timer queue */
- memset(&schCb[inst].tmrTq, 0, sizeof(CmTqType) * SCH_TQ_SIZE);
+ memset(&schCb[inst].schTimersInfo.tmrTq, 0, sizeof(CmTqType) * SCH_TQ_SIZE);
/* Initialize the timer control point */
- memset(&schCb[inst].tmrTqCp, 0, sizeof(CmTqCp));
- schCb[inst].tmrTqCp.tmrLen = RGSCH_TQ_SIZE;
+ memset(&schCb[inst].schTimersInfo.tmrTqCp, 0, sizeof(CmTqCp));
+ schCb[inst].schTimersInfo.tmrTqCp.tmrLen = SCH_TQ_SIZE;
/* SS_MT_TMR needs to be enabled as schActvTmr needs instance information */
/* Timer Registration request to system services */
- if (ODU_REG_TMR_MT(schCb[inst].schInit.ent, dInst, (int)schCb[inst].genCfg.tmrRes, schActvTmr) != ROK)
+ if (ODU_REG_TMR_MT(schCb[inst].schInit.ent, dInst, (int)schCb[inst].schTimersInfo.tmrRes, schActvTmr) != ROK)
{
- DU_LOG("\nERROR --> SCH : SchInstCfg(): Failed to "
- "register timer.");
+ DU_LOG("\nERROR --> SCH : SchInstCfg(): Failed to register timer.");
return (LCM_REASON_MEM_NOAVAIL);
}
-
+
+ /* Initialize statistics related configurations */
+ memset(&schCb[inst].statistics, 0, sizeof(SchStatistics));
+ cmLListInit(&schCb[inst].statistics.activeKpiList.dlTotPrbUseList);
+ cmLListInit(&schCb[inst].statistics.activeKpiList.ulTotPrbUseList);
+
/* Set Config done in TskInit */
schCb[inst].schInit.cfgDone = TRUE;
DU_LOG("\nINFO --> SCH : Scheduler gen config done");
int8_t slotIdx, symbIdx;
periodicityInMicroSec = schGetPeriodicityInMsec(schCellCfg->tddCfg.tddPeriod);
- cell->numSlotsInPeriodicity = (periodicityInMicroSec * pow(2, schCellCfg->numerology))/1000;
+ cell->numSlotsInPeriodicity = (periodicityInMicroSec * pow(2, cell->numerology))/1000;
cell->slotFrmtBitMap = 0;
schFillSlotConfig(cell, schCellCfg->tddCfg);
for(slotIdx = cell->numSlotsInPeriodicity-1; slotIdx >= 0; slotIdx--)
{
uint8_t cnt, scs, symbIdx, ssbStartSymbArr[SCH_MAX_SSB_BEAM];
- scs = cellCb->cellCfg.scsCommon;
+ scs = cellCb->cellCfg.ssbScs;
memset(ssbStartSymbArr, 0, sizeof(SCH_MAX_SSB_BEAM));
symbIdx = 0;
**/
uint8_t schInitCellCb(Inst inst, SchCellCfg *schCellCfg)
{
+ uint16_t scsInKhz = 0;
SchCellCb *cell= NULLP;
SCH_ALLOC(cell, sizeof(SchCellCb));
if(!cell)
cell->cellId = schCellCfg->cellId;
cell->instIdx = inst;
- switch(schCellCfg->numerology)
+ scsInKhz = convertScsEnumValToScsVal(schCellCfg->ssbScs);
+
+ /*Ref : 3GPP 38.211 Table 4.2-1: SCS = (2 ^ numerology * 15kHz)*/
+ cell->numerology = log2(scsInKhz/BASE_SCS);
+ switch(cell->numerology)
{
case SCH_NUMEROLOGY_0:
{
}
break;
default:
- DU_LOG("\nERROR --> SCH : Numerology %d not supported", schCellCfg->numerology);
+ DU_LOG("\nERROR --> SCH : Numerology %d not supported", cell->numerology);
}
#ifdef NR_TDD
schInitTddSlotCfg(cell, schCellCfg);
cellCb->macInst = pst->srcInst;
/* derive the SIB1 config parameters */
- ret = fillSchSib1Cfg(schCellCfg->numerology, schCellCfg->dlBandwidth, cellCb->numSlots,
+ ret = fillSchSib1Cfg(cellCb->numerology, schCellCfg->dlBandwidth, cellCb->numSlots,
&(schCellCfg->pdcchCfgSib1), &(cellCb->sib1SchCfg), schCellCfg->phyCellId,
schCellCfg->dlCfgCommon.schFreqInfoDlSib.offsetToPointA, schCellCfg->sib1PduLen);
return RFAILED;
}
}
+
+ /* Update statistics of PRB usage if stats calculation is enabled */
+ if(schCb[cell->instIdx].statistics.activeKpiList.dlTotPrbUseList.count)
+ prbAlloc->numPrbAlloc += numPrb;
/* Update the remaining number for free PRBs */
removeAllocatedPrbFromFreePrbList(&prbAlloc->freePrbBlockList, freePrbNode, *startPrb, numPrb);
}
}
+ /* Update statistics of PRB usage if stats calculation is enabled */
+ if(schCb[cell->instIdx].statistics.activeKpiList.ulTotPrbUseList.count)
+ prbAlloc->numPrbAlloc += numPrb;
+
/* Update the remaining number for free PRBs */
removeAllocatedPrbFromFreePrbList(&prbAlloc->freePrbBlockList, freePrbNode, *startPrb, numPrb);
if(addSliceCfgInSchDb(storedSliceCfg, schSliceCfgReq->listOfSlices[cfgIdx]) == ROK)
{
sliceFound = RSP_OK;
- schSliceCfgRsp.cause = SLICE_CONFIGURED;
+ schSliceCfgRsp.cause = SUCCESSFUL;
}
else
{
DU_LOG("\nERROR --> SCH : Failed to store slice configuration in SchDb");
- schSliceCfgRsp.cause = RESOURCE_NOT_AVAILABLE;
+ schSliceCfgRsp.cause = RESOURCE_UNAVAILABLE;
ret = RFAILED;
}
plmnIdx = MAX_PLMN;
}
}
- if((sliceFound == RSP_NOK) && (schSliceCfgRsp.cause != RESOURCE_NOT_AVAILABLE))
+ if((sliceFound == RSP_NOK) && (schSliceCfgRsp.cause != RESOURCE_UNAVAILABLE))
schSliceCfgRsp.cause = SLICE_NOT_FOUND;
schSliceCfgRsp.snssai = schSliceCfgReq->listOfSlices[cfgIdx]->snssai;
schSliceRecfgRsp.snssai = schSliceRecfgReq->listOfSlices[cfgIdx]->snssai;
schSliceRecfgRsp.rsp = sliceFound;
if(schSliceRecfgRsp.rsp == RSP_OK)
- schSliceRecfgRsp.cause = SLICE_RECONFIGURED;
+ schSliceRecfgRsp.cause = SUCCESSFUL;
else
schSliceRecfgRsp.cause = SLICE_NOT_FOUND;
SchSendSliceRecfgRspToMac(inst, schSliceRecfgRsp);
return;
}
+/*******************************************************************
+ *
+ * @brief Processes DL CQI ind from MAC
+ *
+ * @details
+ *
+ * Function : SchProcDlCqiInd
+ *
+ * Functionality:
+ * Processes DL CQI ind from MAC
+ *
+ * @params[in]
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+uint8_t SchProcDlCqiInd(Pst *pst, SchDlCqiInd *dlCqiInd)
+{
+ uint8_t ret = ROK;
+ uint16_t ueId = 0, cellIdx = 0;
+ SchUeCb *ueCb = NULLP;
+ SchCellCb *cell = NULLP;
+ Inst inst = pst->dstInst-SCH_INST_START;
+
+ if(!dlCqiInd)
+ {
+ DU_LOG("\nERROR --> SCH : SchProcDlCqiInd(): CQI Ind is empty");
+ ret = RFAILED;
+ }
+ else
+ {
+ GET_CELL_IDX(dlCqiInd->cellId, cellIdx);
+ cell = schCb[inst].cells[cellIdx];
+ if(cell == NULLP)
+ {
+ DU_LOG("\nERROR --> SCH : SchProcDlCqiInd(): cell Id[%d] not found", dlCqiInd->cellId);
+ ret = RFAILED;
+ }
+ else
+ {
+ if(cell->cellId == dlCqiInd->cellId)
+ {
+ GET_UE_ID(dlCqiInd->crnti, ueId);
+ ueCb = &cell->ueCb[ueId-1];
+ if(ueCb->crnti != dlCqiInd->crnti)
+ {
+ DU_LOG("\nERROR --> SCH : SchProcDlCqiInd(): UeCb for received crnti[%d] not found", dlCqiInd->crnti);
+ ret = RFAILED;
+ }
+ else
+ {
+ /*TODO: complete the processing of DL CQI Ind*/
+ }
+ }
+ else
+ {
+ DU_LOG("\nERROR --> SCH : SchProcDlCqiInd(): Received cell Id[%d] from MAC is not matching with CellID[%d] in SCH Cb",\
+ dlCqiInd->cellId, cell->cellId);
+ ret = RFAILED;
+ }
+ }
+ }
+ return ret;
+}
+
+/*******************************************************************
+ *
+ * @brief Processes UL CQI ind from MAC
+ *
+ * @details
+ *
+ * Function : SchProcUlCqiInd
+ *
+ * Functionality:
+ * Processes UL CQI ind from MAC
+ *
+ * @params[in]
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+uint8_t SchProcUlCqiInd(Pst *pst, SchUlCqiInd *ulCqiInd)
+{
+ uint8_t ret = ROK;
+ uint16_t ueId = 0, cellIdx = 0;
+ SchUeCb *ueCb = NULLP;
+ SchCellCb *cell = NULLP;
+ Inst inst = pst->dstInst-SCH_INST_START;
+
+ if(!ulCqiInd)
+ {
+ DU_LOG("\nERROR --> SCH : SchProcUlCqiInd(): CQI Ind is empty");
+ ret = RFAILED;
+ }
+ else
+ {
+ GET_CELL_IDX(ulCqiInd->cellId, cellIdx);
+ cell = schCb[inst].cells[cellIdx];
+ if(cell == NULLP)
+ {
+ DU_LOG("\nERROR --> SCH : SchProcUlCqiInd(): cell Id[%d] not found", ulCqiInd->cellId);
+ ret = RFAILED;
+ }
+ else
+ {
+ if(cell->cellId == ulCqiInd->cellId)
+ {
+ GET_UE_ID(ulCqiInd->crnti, ueId);
+ ueCb = &cell->ueCb[ueId-1];
+ if(ueCb->crnti != ulCqiInd->crnti)
+ {
+ DU_LOG("\nERROR --> SCH : SchProcUlCqiInd(): UeCb for received crnti[%d] not found",ulCqiInd->crnti);
+ ret = RFAILED;
+ }
+ else
+ {
+ /*TODO: complete the processing of UL CQI Ind*/
+ }
+ }
+ else
+ {
+ DU_LOG("\nERROR --> SCH : SchProcUlCqiInd(): Received cell Id[%d] from MAC is not matching with CellId[%d] in SCH Cb",\
+ ulCqiInd->cellId, cell->cellId);
+ ret = RFAILED;
+ }
+ }
+ }
+ return ret;
+}
+
+/*******************************************************************
+ *
+ * @brief Processes PHR ind from MAC
+ *
+ * @details
+ *
+ * Function : SchProcPhrInd
+ *
+ * Functionality:
+ * Processes PHR ind from MAC
+ *
+ * @params[in]
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+uint8_t SchProcPhrInd(Pst *pst, SchPwrHeadroomInd *schPhrInd)
+{
+ uint8_t ret = ROK;
+ uint16_t ueId = 0, cellIdx = 0;
+ SchUeCb *ueCb = NULLP;
+ SchCellCb *cell = NULLP;
+ Inst inst = pst->dstInst-SCH_INST_START;
+
+ if(!schPhrInd)
+ {
+ DU_LOG("\nERROR --> SCH : SchProcPhrInd(): PHR is empty");
+ ret = RFAILED;
+ }
+ else
+ {
+ GET_CELL_IDX(schPhrInd->cellId, cellIdx);
+ cell = schCb[inst].cells[cellIdx];
+ if(cell == NULLP)
+ {
+ DU_LOG("\nERROR --> SCH : schProcPhrInd(): cell Id[%d] is not found", schPhrInd->cellId);
+ ret = RFAILED;
+ }
+ else
+ {
+ if(cell->cellId == schPhrInd->cellId)
+ {
+ GET_UE_ID(schPhrInd->crnti, ueId);
+ ueCb = &cell->ueCb[ueId-1];
+ if(ueCb->crnti != schPhrInd->crnti)
+ {
+ DU_LOG("\nERROR --> SCH : SchProcPhrInd(): UeCb for received crnti[%d] not found",schPhrInd->crnti);
+ ret = RFAILED;
+ }
+ else
+ {
+ /*TODO: complete the processing of PHR Ind*/
+ }
+ }
+ else
+ {
+ DU_LOG("\nERROR --> SCH : SchProcPhrInd(): Mismatch between Received cell Id[%d] from MAC and CellID[%d] in SCH CB ",\
+ schPhrInd->cellId, cell->cellId);
+ ret = RFAILED;
+ }
+ }
+ }
+ return ret;
+}
+
+/*******************************************************************
+ *
+ * @brief Fill and send statistics response to MAC
+ *
+ * @details
+ *
+ * Function : SchSendStatsRspToMac
+ *
+ * Functionality: Fill and send statistics response to MAC
+ *
+ * @params[in] Inst inst, SchMacRsp result
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+uint8_t SchSendStatsRspToMac(SchStatsRsp *statsRsp)
+{
+ Pst rspPst;
+ uint8_t ret = ROK;
+ SchStatsRsp *schStatsRsp;
+
+ DU_LOG("\nINFO --> SCH : Filling statistics response");
+ SCH_ALLOC(schStatsRsp, sizeof(SchStatsRsp));
+ if(schStatsRsp == NULLP)
+ {
+ DU_LOG("\nERROR --> SCH : Failed to allocate memory in SchSendStatsRspToMac()");
+ return RFAILED;
+ }
+
+ memcpy(schStatsRsp, statsRsp, sizeof(SchStatsRsp));
+ memset(statsRsp, 0, sizeof(SchStatsRsp));
+
+ /* Filling response post */
+ memset(&rspPst, 0, sizeof(Pst));
+ FILL_PST_SCH_TO_MAC(rspPst, inst);
+ rspPst.event = EVENT_STATISTICS_RSP_TO_MAC;
+
+ ret = MacMessageRouter(&rspPst, (void *)schStatsRsp);
+ if(ret == RFAILED)
+ {
+ DU_LOG("\nERROR --> SCH : SchSendStatsRspToMac(): Failed to send Statistics Response");
+ return ret;
+ }
+ return ret;
+}
+
+/*******************************************************************
+ *
+ * @brief Rejects all statistics group requested by MAC
+ *
+ * @details
+ *
+ * Function : SchRejectAllStats
+ *
+ * Functionality: Add all statistics group received in statistics
+ * request from MAC, to Reject-Stats-Group-List in statistics
+ * response to MAC
+ *
+ * @params[in] Statistics request from MAC
+ * Cause of rejection
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+uint8_t SchRejectAllStats(SchStatsReq *schStatsReq, CauseOfResult cause)
+{
+ uint8_t grpIdx = 0;
+ SchStatsRsp schStatsRsp;
+
+ memset(&schStatsRsp, 0, sizeof(SchStatsRsp));
+
+ /* Copying all stats group from stats request to stats response */
+ schStatsRsp.subscriptionId = schStatsReq->subscriptionId;
+ for(grpIdx = 0; grpIdx < schStatsReq->numStatsGroup; grpIdx++)
+ {
+ schStatsRsp.statsGrpRejectedList[grpIdx].groupId = schStatsReq->statsGrpList[grpIdx].groupId;
+ schStatsRsp.statsGrpRejectedList[grpIdx].cause = cause;
+ }
+ schStatsRsp.numGrpRejected = schStatsReq->numStatsGroup;
+
+ return SchSendStatsRspToMac(&schStatsRsp);
+}
+
+/*******************************************************************
+ *
+ * @brief Add active KPI pointers to KPI-Active-List
+ *
+ * @details
+ *
+ * Function : schAddToKpiActiveList
+ *
+ * Functionality: For each active statistics group for which timer
+ * is running, add its KPI pointer to KPI-Active-List.
+ * Use case :
+ * When it is needed to update a KPI parameters, we need not
+ * traverse all statistics group and all KPIs within a group
+ * to get the specific KPI pointer to be updated.
+ * Instead, we can traverse through KPI-Active-List and update
+ * all entries in this list.
+ *
+ * @params[in] Statistics request from MAC
+ * Cause of rejection
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+uint8_t schAddToKpiActiveList(Inst inst, SchStatsGrp *grpInfo)
+{
+ CmLList *node = NULLP;
+
+ /* If DL Total PRB Usage configured for this stats group, add to list */
+ if(grpInfo->kpiStats.dlTotalPrbUsage)
+ {
+ SCH_ALLOC(node, sizeof(CmLList));
+ if(node)
+ {
+ node->node = (PTR)grpInfo->kpiStats.dlTotalPrbUsage;
+ cmLListAdd2Tail(&schCb[inst].statistics.activeKpiList.dlTotPrbUseList, node);
+ }
+ }
+
+ /* If UL Total PRB Usage configured for this stats group, add to list */
+ node = NULLP;
+ if(grpInfo->kpiStats.ulTotalPrbUsage)
+ {
+ SCH_ALLOC(node, sizeof(CmLList));
+ if(node)
+ {
+ node->node = (PTR)grpInfo->kpiStats.ulTotalPrbUsage;
+ cmLListAdd2Tail(&schCb[inst].statistics.activeKpiList.ulTotPrbUseList, node);
+ }
+ }
+
+ return ROK;
+}
+
+/*******************************************************************
+ *
+ * @brief Processes Statistics Request from MAC
+ *
+ * @details
+ *
+ * Function : SchProcStatsReq
+ *
+ * Functionality:
+ *
+ * This function process the statistics request from MAC:
+ * [Step 1] Basic validation. If fails, all stats group in stats request are
+ * rejected.
+ * [Step 2] If basic validations passed, traverse all stats group and
+ * validate each measurement types in each group.
+ * [Step 3] If any measurement type validation fails in a group, that group
+ * is not configured and it is added to stats-group-rejected-list in
+ * sch-stats-response message.
+ * [Step 4] If a group passes all validation, it is added to SCH database.
+ * A timer is started for this group. And the group is added to
+ * stats-group-accepted-list in sch-stats-response message.
+ * [Step 5] sch-stats-response is sent to du app with stats-group-rejected-list
+ * and stats-group-accepted-list.
+ *
+ * @params[in] Post structure
+ * Statistics Request from MAC
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+uint8_t SchProcStatsReq(Pst *pst, SchStatsReq *statsReq)
+{
+ uint8_t grpIdx = 0, reqGrpIdx = 0, reqMeasIdx = 0;
+ Inst inst = pst->dstInst - SCH_INST_START;
+ bool measTypeInvalid;
+ CauseOfResult cause;
+ SchStatsInfo *statsInfo = NULLP;
+ SchStatsGrpInfo *grpInfo = NULLP;
+ SchStatsGrp *grpInfoDb = NULLP;
+ SchStatsRsp schStatsRsp;
+
+ DU_LOG("\nINFO --> SCH : Received Statistics Request from MAC");
+
+ if(statsReq == NULLP)
+ {
+ DU_LOG("\nERROR --> SCH : SchProcStatsReq(): Received Null pointer");
+ return RFAILED;
+ }
+
+ /* [Step 1] Basic validation. If fails, all stats group in stats request are rejected */
+
+ /* If maximum number of statistics already configured */
+ if(schCb[inst].statistics.numOfStatsCfgd >= MAX_NUM_STATS_CFG)
+ {
+ DU_LOG("\nERROR --> SCH : SchProcStatsReq: Maximum number of statistics configured. \
+ Cannot process new request.");
+ SchRejectAllStats(statsReq, RESOURCE_UNAVAILABLE);
+ SCH_FREE(statsReq, sizeof(SchStatsReq));
+ return RFAILED;
+ }
+
+ memset(&schStatsRsp, 0, sizeof(SchStatsRsp));
+
+ /* [Step 2] Traverse all stats group and validate each measurement types in each group */
+ statsInfo = &schCb[inst].statistics.statsInfoList[schCb[inst].statistics.numOfStatsCfgd];
+ statsInfo->numStatsGroup = 0;
+ for(reqGrpIdx=0; reqGrpIdx<statsReq->numStatsGroup && grpIdx<MAX_NUM_STATS; reqGrpIdx++)
+ {
+ measTypeInvalid = false;
+ grpInfo = &statsReq->statsGrpList[reqGrpIdx];
+ grpInfoDb = &statsInfo->statsGrpList[grpIdx];
+ for(reqMeasIdx = 0; reqMeasIdx < grpInfo->numStats; reqMeasIdx++)
+ {
+ switch(grpInfo->statsList[reqMeasIdx])
+ {
+ case SCH_DL_TOTAL_PRB_USAGE:
+ {
+ /* Allocate memory */
+ SCH_ALLOC(grpInfoDb->kpiStats.dlTotalPrbUsage, sizeof(TotalPrbUsage));
+ if(!grpInfoDb->kpiStats.dlTotalPrbUsage)
+ {
+ DU_LOG("\nERROR --> SCH : Memory allocation failed for dlTotalPrbUsage in \
+ SchProcStatsReq()");
+ measTypeInvalid = true;
+ cause = RESOURCE_UNAVAILABLE;
+ }
+ break;
+ }
+
+ case SCH_UL_TOTAL_PRB_USAGE:
+ {
+ /* Allocate memory */
+ SCH_ALLOC(grpInfoDb->kpiStats.ulTotalPrbUsage, sizeof(TotalPrbUsage));
+ if(!grpInfoDb->kpiStats.ulTotalPrbUsage)
+ {
+ DU_LOG("\nERROR --> SCH : Memory allocation failed for dlTotalPrbUsage in \
+ SchProcStatsReq()");
+ measTypeInvalid = true;
+ cause = RESOURCE_UNAVAILABLE;
+ }
+ break;
+ }
+
+ default:
+ {
+ DU_LOG("\nERROR --> SCH : SchProcStatsReq: Invalid measurement type [%d]", \
+ grpInfo->statsList[reqMeasIdx]);
+ measTypeInvalid = true;
+ cause = PARAM_INVALID;
+ break;
+ }
+ }
+
+ /* [Step 3 a] If any measurement type validation fails in a group, that group
+ * is not configured */
+ if(measTypeInvalid)
+ {
+ SCH_FREE(grpInfoDb->kpiStats.dlTotalPrbUsage, sizeof(TotalPrbUsage));
+ SCH_FREE(grpInfoDb->kpiStats.ulTotalPrbUsage, sizeof(TotalPrbUsage));
+ memset(grpInfoDb, 0, sizeof(SchStatsGrp));
+ break;
+ }
+ }
+
+ /* [Step 4] If a group passes all validation, it is added to SCH database.
+ * A timer is started for this group. And the group is added to
+ * stats-group-accepted-list in sch-stats-response message. */
+ if(!measTypeInvalid)
+ {
+ /* Add this group's configured KPIs to list of Active KPIs */
+ if(schAddToKpiActiveList(inst, grpInfoDb) == ROK)
+ {
+ grpInfoDb->schInst = inst;
+ grpInfoDb->subscriptionId = statsReq->subscriptionId;
+ grpInfoDb->groupId = grpInfo->groupId;
+ grpInfoDb->periodicity = grpInfo->periodicity;
+
+
+ /* Start timer */
+ cmInitTimers(&(grpInfoDb->periodTimer), 1);
+ schStartTmr(&schCb[inst], (PTR)(grpInfoDb), EVENT_STATISTICS_TMR, grpInfoDb->periodicity);
+
+ schStatsRsp.statsGrpAcceptedList[schStatsRsp.numGrpAccepted] = grpInfo->groupId;
+ schStatsRsp.numGrpAccepted++;
+ grpIdx++;
+ }
+ else
+ {
+ memset(grpInfoDb, 0, sizeof(SchStatsGrp));
+ }
+ }
+ else
+ {
+ /* [Step 3 b] The rejected group is added to stats-group-rejected-list in
+ * sch-stats-response message */
+ memset(grpInfoDb, 0, sizeof(SchStatsGrp));
+ schStatsRsp.statsGrpRejectedList[schStatsRsp.numGrpRejected].groupId = grpInfo->groupId;
+ schStatsRsp.statsGrpRejectedList[schStatsRsp.numGrpRejected].cause = cause;
+ schStatsRsp.numGrpRejected++;
+ }
+ }
+ statsInfo->numStatsGroup = grpIdx;
+ if(statsInfo->numStatsGroup)
+ {
+ schCb[inst].statistics.numOfStatsCfgd++;
+ }
+ else
+ {
+ memset(statsInfo, 0, sizeof(SchStatsInfo));
+ }
+ schStatsRsp.subscriptionId = statsReq->subscriptionId;
+
+ SCH_FREE(statsReq, sizeof(SchStatsReq));
+
+ /* [Step 5] sch-stats-response is sent to du app with stats-group-rejected-list
+ * and stats-group-accepted-list. */
+ SchSendStatsRspToMac(&schStatsRsp);
+
+ return ROK;
+} /* End of SchProcStatsReq */
+
+/*******************************************************************
+ *
+ * @brief Fill and send statistics indication to MAC
+ *
+ * @details
+ *
+ * Function : SchSendStatsIndToMac
+ *
+ * Functionality: Fill and send statistics indication to MAC
+ *
+ * @params[in] SCH Instance
+ * Measurement Type
+ * Measurement Value
+ * Size of value parameter
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+uint8_t SchSendStatsIndToMac(Inst inst, SchStatsInd *statsInd)
+{
+ Pst pst;
+ uint8_t ret = ROK;
+
+#ifdef DEBUG_PRINT
+ DU_LOG("\nDEBUG --> SCH : Filling statistics indication");
+#endif
+
+ /* Filling post structure */
+ memset(&pst, 0, sizeof(Pst));
+ FILL_PST_SCH_TO_MAC(pst, inst);
+ pst.event = EVENT_STATISTICS_IND_TO_MAC;
+
+ ret = MacMessageRouter(&pst, (void *)statsInd);
+ if(ret == RFAILED)
+ {
+ DU_LOG("\nERROR --> SCH : SchSendStatsIndToMac(): Failed to send Statistics Indication");
+ }
+ return ret;
+}
+
+/**
+ * @brief Handler to process Timer expiry of DL Total PRB Usage calculation
+ *
+ * @param[in] cb Control block depending on the type of the timer event.
+ * @param[in] tmrEvnt Timer event to be started
+ *
+ * @return Bool indicating whether the timer is running or not
+ * -# ROK
+ * -# RFAILED
+*/
+double calcDlTotalPrbUsage(TotalPrbUsage *dlTotalPrbUsage)
+{
+ double percentageOfTotalPrbUsed = 0;
+
+ if(dlTotalPrbUsage->totalPrbAvailForTx)
+ percentageOfTotalPrbUsed = ((100.0 * dlTotalPrbUsage->numPrbUsedForTx) / dlTotalPrbUsage->totalPrbAvailForTx);
+
+ memset(dlTotalPrbUsage, 0, sizeof(TotalPrbUsage));
+
+ return percentageOfTotalPrbUsed;
+}
+
+/**
+ * @brief Handler to check if the timer is running
+ *
+ * @param[in] cb Control block depending on the type of the timer event.
+ * @param[in] tmrEvnt Timer event to be started
+ *
+ * @return Bool indicating whether the timer is running or not
+ * -# ROK
+ * -# RFAILED
+*/
+uint8_t calcUlTotalPrbUsage(TotalPrbUsage *ulTotalPrbUsage)
+{
+ double percentageOfTotalPrbUsed = 0;
+
+ if(ulTotalPrbUsage->totalPrbAvailForTx)
+ percentageOfTotalPrbUsed = ((100.0 * ulTotalPrbUsage->numPrbUsedForTx) / ulTotalPrbUsage->totalPrbAvailForTx);
+
+ memset(ulTotalPrbUsage, 0, sizeof(TotalPrbUsage));
+
+ return percentageOfTotalPrbUsed;
+}
+
+/**
+ * @brief Calculates statistics in a group and sends
+ * statistics indication for this group
+ *
+ * @param[in] Statistics group info
+ *
+ * @return
+ * -# ROK
+ * -# RFAILED
+*/
+uint8_t schCalcAndSendGrpStats(SchStatsGrp *grpInfo)
+{
+ uint8_t measStatsIdx = 0;
+ SchStatsInd statsInd;
+
+ memset(&statsInd, 0, sizeof(SchStatsInd));
+ statsInd.subscriptionId = grpInfo->subscriptionId;
+ statsInd.groupId = grpInfo->groupId;
+
+ if(grpInfo->kpiStats.dlTotalPrbUsage)
+ {
+ statsInd.measuredStatsList[measStatsIdx].type = SCH_DL_TOTAL_PRB_USAGE;
+ statsInd.measuredStatsList[measStatsIdx].value = calcDlTotalPrbUsage(grpInfo->kpiStats.dlTotalPrbUsage);
+ measStatsIdx++;
+ }
+
+ if(grpInfo->kpiStats.ulTotalPrbUsage)
+ {
+ statsInd.measuredStatsList[measStatsIdx].type = SCH_UL_TOTAL_PRB_USAGE;
+ statsInd.measuredStatsList[measStatsIdx].value = calcUlTotalPrbUsage(grpInfo->kpiStats.ulTotalPrbUsage);
+ measStatsIdx++;
+ }
+
+ statsInd.numStats = measStatsIdx;
+
+ return SchSendStatsIndToMac(grpInfo->schInst, &statsInd);
+}
+
+/*******************************************************************
+ *
+ * @brief Fill and send Statistics Delete Response to MAC
+ *
+ * @details
+ *
+ * Function : SchSendStatsDeleteRspToMac
+ *
+ * Functionality: Fill and send Statistics Delete Response to MAC
+ *
+ * @params[in]
+ * Statistics Delete Request from MAC
+ * Statistics Delete result
+ * Cause of response
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+uint8_t SchSendStatsDeleteRspToMac(SchStatsDeleteReq *statsDeleteReq, SchMacRsp rsp, CauseOfResult cause)
+{
+ Pst rspPst;
+ uint8_t ret = ROK;
+ SchStatsDeleteRsp *schStatsDeleteRsp;
+
+ DU_LOG("\nINFO --> SCH : Filling Statistics Delete Response");
+ SCH_ALLOC(schStatsDeleteRsp, sizeof(SchStatsDeleteRsp));
+ if(schStatsDeleteRsp == NULLP)
+ {
+ DU_LOG("\nERROR --> SCH : Failed to allocate memory in SchSendStatsDeleteRspToMac()");
+ return RFAILED;
+ }
+
+ schStatsDeleteRsp->subscriptionId=statsDeleteReq->subscriptionId;
+ schStatsDeleteRsp->rsp=rsp;
+ schStatsDeleteRsp->cause=cause;
+ /* Filling response post */
+ memset(&rspPst, 0, sizeof(Pst));
+ FILL_PST_SCH_TO_MAC(rspPst, inst);
+ rspPst.event = EVENT_STATISTICS_DELETE_RSP_TO_MAC;
+
+ ret = MacMessageRouter(&rspPst, (void *)schStatsDeleteRsp);
+ if(ret == RFAILED)
+ {
+ DU_LOG("\nERROR --> SCH : SchSendStatsDeleteRspToMac(): Failed to send Statistics Response");
+ return ret;
+ }
+ return ret;
+}
+
+/*******************************************************************
+ *
+ * @brief Delete statistics information
+ *
+ * @details
+ *
+ * Function : deleteStatsInfo
+ *
+ * Functionality:
+ * Delete statistics information
+ *
+ * @params[in]
+ * Instance
+ * Subscription id
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+uint8_t deleteStatsInfo(Inst inst, uint64_t subscriptionId)
+{
+ bool statsFound=false;
+ uint8_t idx=0, statsGrpIdx=0;
+ SchStatsGrp *statsGrpInfo=NULLP;
+
+ if(schCb[inst].statistics.numOfStatsCfgd)
+ {
+ for(idx=0;idx<schCb[inst].statistics.numOfStatsCfgd; idx++)
+ {
+ for(statsGrpIdx=0;statsGrpIdx<schCb[inst].statistics.statsInfoList[idx].numStatsGroup; statsGrpIdx++)
+ {
+ statsGrpInfo = &schCb[inst].statistics.statsInfoList[idx].statsGrpList[statsGrpIdx];
+ if(statsGrpInfo->subscriptionId ==subscriptionId)
+ {
+ SCH_FREE(statsGrpInfo->kpiStats.dlTotalPrbUsage, sizeof(TotalPrbUsage));
+ SCH_FREE(statsGrpInfo->kpiStats.ulTotalPrbUsage, sizeof(TotalPrbUsage));
+ if(schChkTmr((PTR)statsGrpInfo, EVENT_STATISTICS_TMR) == true)
+ {
+ schStopTmr(&schCb[inst], (PTR)statsGrpInfo, EVENT_STATISTICS_TMR);
+ }
+ memset(statsGrpInfo, 0, sizeof(SchStatsGrp));
+ statsFound = true;
+ }
+ }
+ }
+ }
+
+ if(statsFound ==false)
+ {
+ DU_LOG("\nERROR --> SCH : SchProcStatsDeleteReq(): Statistics information is not present");
+ return RFAILED;
+ }
+ return ROK;
+}
+
+/*******************************************************************
+ *
+ * @brief Processes Statistics Delete Request from MAC
+ *
+ * @details
+ *
+ * Function : SchProcStatsDeleteReq
+ *
+ * Functionality:
+ * This function process the statistics delete request from MAC:
+ *
+ * @params[in] Post structure
+ * Statistics Delete Request from MAC
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+uint8_t SchProcStatsDeleteReq(Pst *pst, SchStatsDeleteReq *statsDeleteReq)
+{
+ uint8_t ret =ROK;
+ Inst inst = pst->dstInst - SCH_INST_START;
+
+ DU_LOG("\nINFO --> SCH : Received Statistics Delete Request from MAC");
+
+ if(statsDeleteReq == NULLP)
+ {
+ DU_LOG("\nERROR --> SCH : SchProcStatsDeleteReq(): Received Null pointer");
+ return RFAILED;
+ }
+
+ ret = deleteStatsInfo(inst, statsDeleteReq->subscriptionId);
+ if(ret == ROK)
+ {
+ SchSendStatsDeleteRspToMac(statsDeleteReq, RSP_OK, SUCCESSFUL);
+ }
+ else
+ {
+ SchSendStatsDeleteRspToMac(statsDeleteReq, RSP_NOK, STATS_ID_NOT_FOUND);
+ }
+ SCH_FREE(statsDeleteReq, sizeof(SchStatsDeleteReq));
+
+ return ret;
+} /* End of SchProcStatsDeleteReq */
+
/**********************************************************************
End of file
**********************************************************************/