+ * Function : duBuildAndSendDlRrcMsgToRlc
+ *
+ * Functionality:
+ * Build and Send DL RRC Message transfer to RLC
+ *
+ * @params[in] Cell ID
+ * UE Index
+ * Logical Channgel ID
+ * RRC Message
+ * RRC Message Length
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+uint8_t duBuildAndSendDlRrcMsgToRlc(uint16_t cellId, RlcUeCfg ueCfg, \
+ uint8_t lcId, bool execDup, bool deliveryStaReq, uint16_t rrcMsgLen, uint8_t *rrcMsg)
+{
+ Pst pst;
+ uint8_t ret;
+ uint8_t lcIdx;
+ RlcDlRrcMsgInfo *dlRrcMsgInfo;
+
+ DU_ALLOC_SHRABL_BUF(dlRrcMsgInfo, sizeof(RlcDlRrcMsgInfo));
+ if(!dlRrcMsgInfo)
+ {
+ DU_LOG("\nDU APP : Memory allocation failed for dlRrcMsgInfo in \
+ duBuildAndSendDlRrcMsgToRlc");
+ DU_FREE_SHRABL_BUF(DU_APP_MEM_REGION, DU_POOL, rrcMsg, rrcMsgLen);
+ return RFAILED;
+ }
+
+ /* Filling up the RRC msg info */
+ dlRrcMsgInfo->cellId = cellId;
+ dlRrcMsgInfo->ueIdx = ueCfg.ueIdx;
+ for(lcIdx = 0; lcIdx <= MAX_NUM_LC; lcIdx++)
+ {
+ if(ueCfg.rlcBearerCfg[lcIdx].lcId == lcId)
+ {
+ dlRrcMsgInfo->rbType = ueCfg.rlcBearerCfg[lcIdx].rbType;
+ dlRrcMsgInfo->rbId = ueCfg.rlcBearerCfg[lcIdx].rbId;
+ dlRrcMsgInfo->lcType = ueCfg.rlcBearerCfg[lcIdx].lcType;
+ dlRrcMsgInfo->lcId = ueCfg.rlcBearerCfg[lcIdx].lcId;
+ break;
+ }
+ }
+ dlRrcMsgInfo->execDup = execDup;
+ dlRrcMsgInfo->deliveryStaRpt = deliveryStaReq;
+ dlRrcMsgInfo->rrcMsg = rrcMsg;
+ dlRrcMsgInfo->msgLen = rrcMsgLen;
+
+ /* Filling post structure and sending msg */
+ memset(&pst, 0, sizeof(Pst));
+ FILL_PST_DUAPP_TO_RLC(pst, RLC_DL_INST, EVENT_DL_RRC_MSG_TRANS_TO_RLC);
+ ret = (*duSendDlRrcMsgToRlcOpts[pst.selector])(&pst, dlRrcMsgInfo);
+ if(ret != ROK)
+ {
+ DU_FREE_SHRABL_BUF(DU_APP_MEM_REGION, DU_POOL, rrcMsg, rrcMsgLen);
+ DU_FREE_SHRABL_BUF(DU_APP_MEM_REGION, DU_POOL, dlRrcMsgInfo, sizeof(RlcDlRrcMsgInfo));
+ return RFAILED;
+ }
+
+ return ROK;
+}
+
+/*******************************************************************
+ *
+ * @brief Process UE context setup request from CU
+ *
+ * @details
+ *
+ * Function : procUeCintextSetupReq
+ *
+ * Functionality: Process UE context setup request from CU
+ *
+ * @params[in] F1AP message
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+uint8_t procUeContextSetupReq(F1AP_PDU_t *f1apMsg)
+{
+ uint8_t ret = ROK;
+ uint8_t ieIdx, ueIdx;
+ uint8_t *rrcMsg = NULLP;
+ uint16_t rrcMsgLen;
+ uint16_t cellId, cellIdx;
+ uint32_t gnbDuUeF1apId; /* GNB DU UE F1AP ID */
+ uint32_t gnbCuUeF1apId; /* GNB CU UE F1AP ID */
+ bool deliveryStaReq = false; /* RRC msg delivery status request */
+ DuUeCb *ueCb = NULLP;
+ UEContextSetupRequest_t *ueSetReq = NULLP;
+
+ ueSetReq = &f1apMsg->choice.initiatingMessage->value.choice.UEContextSetupRequest;
+
+ /* TODO : fetch remaining values from f1ap msg */
+ for(ieIdx=0; ieIdx < ueSetReq->protocolIEs.list.count; ieIdx++)
+ {
+ switch(ueSetReq->protocolIEs.list.array[ieIdx]->id)
+ {
+ case ProtocolIE_ID_id_gNB_CU_UE_F1AP_ID:
+ {
+ gnbCuUeF1apId = ueSetReq->protocolIEs.list.array[ieIdx]->value.choice.GNB_CU_UE_F1AP_ID;
+ break;
+ }
+ case ProtocolIE_ID_id_gNB_DU_UE_F1AP_ID:
+ {
+ gnbDuUeF1apId = ueSetReq->protocolIEs.list.array[ieIdx]->value.choice.GNB_DU_UE_F1AP_ID;
+ break;
+ }
+ case ProtocolIE_ID_id_ServCellIndex:
+ {
+ cellIdx = ueSetReq->protocolIEs.list.array[ieIdx]->value.choice.ServCellIndex;
+ break;
+ }
+ case ProtocolIE_ID_id_RRCContainer:
+ {
+ rrcMsgLen = ueSetReq->protocolIEs.list.array[ieIdx]->value.choice.RRCContainer.size;
+ if(rrcMsgLen <= 0)
+ {
+ DU_LOG("\nDU APP : Invalid RRC Msg Length %d in Ue Ctxt Setup Req", rrcMsgLen);
+ return RFAILED;
+ }
+ DU_ALLOC_SHRABL_BUF(rrcMsg, rrcMsgLen);
+ if(!rrcMsg)
+ {
+ DU_LOG("\nDU APP : Memory allocation failed for RRC Msg in procUeCtxtSetupReq");
+ return RFAILED;
+ }
+ memcpy(rrcMsg, ueSetReq->protocolIEs.list.array[ieIdx]->value.choice.RRCContainer.buf,\
+ rrcMsgLen);
+ break;
+ }
+ case ProtocolIE_ID_id_RRCDeliveryStatusRequest:
+ {
+ deliveryStaReq = true;
+ break;
+ }
+ default:
+ {
+ break;
+ }
+ }
+ }
+
+ cellId = duCb.actvCellLst[cellIdx]->cellId;
+ for(ueIdx = 0; ueIdx < MAX_NUM_UE; ueIdx++)
+ {
+ if((duCb.actvCellLst[cellIdx]->ueCb[ueIdx].gnbCuUeF1apId == gnbCuUeF1apId) &&
+ (duCb.actvCellLst[cellIdx]->ueCb[ueIdx].gnbDuUeF1apId == gnbDuUeF1apId &&
+ duCb.actvCellLst[cellIdx]->ueCb[ueIdx].ueState == UE_ACTIVE))
+ {
+ ueCb = &duCb.actvCellLst[cellIdx]->ueCb[ueIdx];
+ break;
+ }
+ }
+
+ /* TODO : send RB config to MAC/RLC */
+
+ /* Sending DL RRC Message to RLC */
+ if(ueIdx != MAX_NUM_UE)
+ {
+ ret = duBuildAndSendDlRrcMsgToRlc(cellId, ueCb->rlcUeCfg, SRB1_LCID, \
+ false, deliveryStaReq, rrcMsgLen, rrcMsg);
+ }
+ else
+ {
+ DU_LOG("\nDU APP : No UE found for CuUeF1apId[%d] and DuUeF1apId[%d]", \
+ gnbCuUeF1apId, gnbDuUeF1apId);
+ DU_FREE_SHRABL_BUF(DU_APP_MEM_REGION, DU_POOL, rrcMsg, rrcMsgLen);
+ ret = RFAILED;
+ }
+
+ return ret;
+}
+
+/******************************************************************
+ *
+ * @brief Processes DL RRC Message Transfer sent by CU
+ *
+ * @details
+ *
+ * Function : procDlRrcMsgTrans
+ *
+ * Functionality: Processes DL RRC Message Transfer sent by CU
+ *
+ * @params[in] F1AP_PDU_t ASN decoded F1AP message
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+uint8_t procDlRrcMsgTrans(F1AP_PDU_t *f1apMsg)
+{
+ DLRRCMessageTransfer_t *dlRrcMsg = NULLP;
+ uint8_t *rrcMsgPdu = NULLP;
+ uint8_t ieIdx, ueIdx, cellIdx;
+ uint8_t ret, srbId;
+ uint16_t byteIdx, crnti, cellId, rrcMsgSize;
+ uint32_t gnbCuUeF1apId, gnbDuUeF1apId;
+ bool execDup = false;
+ bool deliveryStaRpt = false;
+ bool ueFound = false;
+ bool ueCcchCtxtFound = false;
+
+ DU_LOG("\nDU_APP : DL RRC message transfer Recevied");
+ dlRrcMsg = &f1apMsg->choice.initiatingMessage->value.choice.DLRRCMessageTransfer;
+
+ ret = ROK;
+
+ for(ieIdx=0; ieIdx<dlRrcMsg->protocolIEs.list.count; ieIdx++)
+ {
+ switch(dlRrcMsg->protocolIEs.list.array[ieIdx]->id)
+ {
+ case ProtocolIE_ID_id_gNB_CU_UE_F1AP_ID:
+ {
+ gnbCuUeF1apId = dlRrcMsg->protocolIEs.list.array[ieIdx]->value.choice.GNB_CU_UE_F1AP_ID;
+ break;
+ }
+ case ProtocolIE_ID_id_gNB_DU_UE_F1AP_ID:
+ {
+ gnbDuUeF1apId = dlRrcMsg->protocolIEs.list.array[ieIdx]->value.choice.GNB_DU_UE_F1AP_ID;
+ break;
+ }
+ case ProtocolIE_ID_id_SRBID:
+ {
+ srbId = dlRrcMsg->protocolIEs.list.array[ieIdx]->value.choice.SRBID;
+ break;
+ }
+ case ProtocolIE_ID_id_ExecuteDuplication:
+ {
+ execDup = true;
+ break;
+ }
+ case ProtocolIE_ID_id_RRCContainer:
+ {
+ if(dlRrcMsg->protocolIEs.list.array[ieIdx]->value.choice.RRCContainer.size > 0)
+ {
+ rrcMsgSize = dlRrcMsg->protocolIEs.list.array[ieIdx]->value.choice.RRCContainer.size;
+ DU_ALLOC(rrcMsgPdu, rrcMsgSize);
+ if(!rrcMsgPdu)
+ {
+ DU_LOG("\nDU_APP : Memory allocation failed in procDlRrcMsgTrans");
+ return RFAILED;
+ }
+ for(byteIdx = 0; byteIdx < rrcMsgSize; byteIdx++)
+ {
+ rrcMsgPdu[byteIdx] = \
+ dlRrcMsg->protocolIEs.list.array[ieIdx]->value.choice.RRCContainer.buf[byteIdx];
+ }
+ }
+ else
+ {
+ DU_LOG("\nDU_APP : RRC Container Size is invalid:%ld",\
+ dlRrcMsg->protocolIEs.list.array[ieIdx]->value.choice.RRCContainer.size);
+ return RFAILED;
+ }
+ break;
+ }
+ case ProtocolIE_ID_id_RRCDeliveryStatusRequest:
+ {
+ deliveryStaRpt = true;
+ break;
+ }
+ default:
+ DU_LOG("\nDU_APP : Invalid IE received in DL RRC Msg Transfer:%ld",
+ dlRrcMsg->protocolIEs.list.array[ieIdx]->id);
+ }
+ }
+
+ if(srbId == SRB1_LCID) //RRC connection setup
+ {
+ for(ueIdx=0; ueIdx < duCb.numUe; ueIdx++)
+ {
+ if(gnbDuUeF1apId == duCb.ueCcchCtxt[ueIdx].gnbDuUeF1apId)
+ {
+ ueCcchCtxtFound = true;
+ crnti = duCb.ueCcchCtxt[ueIdx].crnti;
+ cellId = duCb.ueCcchCtxt[ueIdx].cellId;
+ break;
+ }
+ }
+ }
+ if(ueCcchCtxtFound)
+ {
+ ret = duBuildAndSendDlCcchInd(&cellId, &crnti, RRC_SETUP, rrcMsgSize, rrcMsgPdu);
+ if(ret)
+ {
+ DU_LOG("\nDU_APP: Falied at duBuildAndSendDlCcchInd()");
+ }
+ else
+ {
+ if(duCb.actvCellLst[cellId-1]->numActvUes < MAX_NUM_UE)
+ {
+ ret = duCreateUeCb(&duCb.ueCcchCtxt[ueIdx], gnbCuUeF1apId);
+ if(ret)
+ {
+ DU_LOG("\nDU_APP: Failed at duCreateUeCb for cellId [%d]", \
+ duCb.ueCcchCtxt[ueIdx].cellId);
+ ret = RFAILED;
+ }
+ }
+ else
+ {
+ DU_LOG("\nDU_APP: Max Active UEs has reached");
+ ret = RFAILED;
+ }
+ }
+ }
+ else
+ {
+ for(cellIdx = 0; cellIdx < MAX_NUM_CELL; cellIdx++)
+ {
+ for(ueIdx = 0 ; ueIdx < MAX_NUM_UE; ueIdx++)
+ {
+ if((gnbCuUeF1apId == duCb.actvCellLst[cellIdx]->ueCb[ueIdx].gnbCuUeF1apId)
+ && (gnbDuUeF1apId == duCb.actvCellLst[cellIdx]->ueCb[ueIdx].gnbDuUeF1apId))
+ {
+ ueFound = true;
+ ret = duBuildAndSendDlRrcMsgToRlc(duCb.actvCellLst[cellIdx]->cellId, \
+ duCb.actvCellLst[cellIdx]->ueCb[ueIdx].rlcUeCfg, srbId, \
+ execDup, deliveryStaRpt, rrcMsgSize, rrcMsgPdu);
+ break;
+ }
+ }
+ if(ueFound)
+ break;
+ }
+ if(!ueFound)
+ ret = RFAILED;
+ }
+ return ret;
+}
+
+/******************************************************************
+ *
+ * @brief Generates GNB DU Ue F1AP ID
+ *
+ * @details
+ *
+ * Function : genGnbDuUeF1apId
+ *
+ * Functionality: Generates GNB DU Ue F1AP ID
+ *
+ * @params[in] void
+ * @return gnbDuF1apId
+ *
+ * ****************************************************************/
+uint32_t genGnbDuUeF1apId()
+{
+ static uint32_t gnbDuUeF1apId = 0;
+
+ return ++gnbDuUeF1apId;
+}
+
+/******************************************************************
+ *
+ * @brief Processes UL CCCH Ind recvd from MAC
+ *
+ * @details
+ *
+ * Function : duProcUlCcchInd
+ *
+ * Functionality: Processes UL CCCH Ind recvd from MAC
+ *
+ * @params[in] UlCcchIndInfo *ulCcchIndInfo
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+uint8_t duProcUlCcchInd(UlCcchIndInfo *ulCcchIndInfo)
+{
+
+ uint8_t ret = ROK;
+ uint32_t gnbDuUeF1apId = 0;
+
+ gnbDuUeF1apId = genGnbDuUeF1apId();
+
+ /* Store Ue mapping */
+ duCb.ueCcchCtxt[duCb.numUe].gnbDuUeF1apId = gnbDuUeF1apId;
+ duCb.ueCcchCtxt[duCb.numUe].crnti = ulCcchIndInfo->crnti;
+ duCb.ueCcchCtxt[duCb.numUe].cellId = ulCcchIndInfo->cellId;
+
+ duCb.numUe++;
+
+ ret = (BuildAndSendInitialRrcMsgTransfer(gnbDuUeF1apId, ulCcchIndInfo->crnti, ulCcchIndInfo->ulCcchMsgLen,
+ ulCcchIndInfo->ulCcchMsg));
+ if(ret != ROK)
+ {
+ DU_LOG("\nDU_APP : BuildAndSendInitialRrcMsgTransfer failed");
+ }
+
+ DU_FREE_SHRABL_BUF(MAC_MEM_REGION, MAC_POOL, ulCcchIndInfo->ulCcchMsg, ulCcchIndInfo->ulCcchMsgLen);
+ DU_FREE_SHRABL_BUF(MAC_MEM_REGION, MAC_POOL, ulCcchIndInfo, sizeof(UlCcchIndInfo));
+
+ return ret;
+
+}
+
+/******************************************************************
+ *
+ * @brief Fills Initial DL Bandwidth Part
+ *
+ * @details
+ *
+ * Function : fillInitDlBwp
+ *
+ * Functionality: Fills Initial DL Bandwidth Part
+ *
+ *
+ *****************************************************************/
+void fillInitDlBwp(InitialDlBwp *initDlBwp)
+{
+ uint8_t idx = 0;
+ uint8_t freqDomainResource[FREQ_DOM_RSRC_SIZE] = {0};
+ uint8_t coreset0EndPrb, coreset1StartPrb, coreset1NumPrb;
+
+
+ if(initDlBwp)
+ {
+ /* Filling PDCCH Config */
+ initDlBwp->pdcchPresent = TRUE;
+ if(initDlBwp->pdcchPresent)
+ {
+ initDlBwp->pdcchCfg.numCRsetToAddMod = PDCCH_CTRL_RSRC_SET_ONE_ID;
+ memset(initDlBwp->pdcchCfg.cRSetToAddModList, 0, MAX_NUM_CRSET);
+ if(initDlBwp->pdcchCfg.numCRsetToAddMod <= MAX_NUM_CRSET)
+ {
+ initDlBwp->pdcchCfg.cRSetToAddModList[idx].cRSetId = \
+ PDCCH_CTRL_RSRC_SET_ONE_ID;
+ memset(initDlBwp->pdcchCfg.cRSetToAddModList[idx].freqDomainRsrc, 0,\
+ FREQ_DOM_RSRC_SIZE);
+ coreset0EndPrb = CORESET0_END_PRB;
+ coreset1StartPrb = coreset0EndPrb +6;
+ coreset1NumPrb = CORESET1_NUM_PRB;
+ /* calculate the PRBs */
+ schAllocFreqDomRscType0(((coreset1StartPrb)/6), (coreset1NumPrb/6), freqDomainResource);
+ memcpy(initDlBwp->pdcchCfg.cRSetToAddModList[idx].freqDomainRsrc, freqDomainResource,
+ FREQ_DOM_RSRC_SIZE);
+
+ initDlBwp->pdcchCfg.cRSetToAddModList[idx].duration = \
+ PDCCH_CTRL_RSRC_SET_ONE_DURATION;
+ initDlBwp->pdcchCfg.cRSetToAddModList[idx].cceRegMappingType = \
+ CCE_REG_MAPPINGTYPE_PR_NONINTERLEAVED;
+ initDlBwp->pdcchCfg.cRSetToAddModList[idx].precoderGranularity = \
+ ALL_CONTIGUOUS_RBS;
+ initDlBwp->pdcchCfg.cRSetToAddModList[idx].dmrsScramblingId = \
+ SCRAMBLING_ID;
+ }
+ initDlBwp->pdcchCfg.numCRsetToRel = 0;
+ /* Filling Serach Space */
+ initDlBwp->pdcchCfg.numSearchSpcToAddMod = PDCCH_CTRL_RSRC_SET_ONE_ID;
+ memset(initDlBwp->pdcchCfg.searchSpcToAddModList, 0, MAX_NUM_CRSET);
+ if(initDlBwp->pdcchCfg.numSearchSpcToAddMod <= MAX_NUM_CRSET)
+ {
+ initDlBwp->pdcchCfg.searchSpcToAddModList[idx].searchSpaceId =\
+ PDCCH_SRCH_SPC_TWO_ID;
+ initDlBwp->pdcchCfg.searchSpcToAddModList[idx].cRSetId = \
+ PDCCH_CTRL_RSRC_SET_ONE_ID;
+ initDlBwp->pdcchCfg.searchSpcToAddModList[idx].\
+ mSlotPeriodicityAndOffset = SLOTPERIODICITYANDOFFSET_PR_SL1;
+ memset(initDlBwp->pdcchCfg.searchSpcToAddModList[idx].mSymbolsWithinSlot, 0,\
+ MONITORING_SYMB_WITHIN_SLOT_SIZE);
+ initDlBwp->pdcchCfg.searchSpcToAddModList[idx].mSymbolsWithinSlot[idx] =\
+ PDCCH_SYMBOL_WITHIN_SLOT;
+ initDlBwp->pdcchCfg.searchSpcToAddModList[idx].numCandidatesAggLevel1 =\
+ AGGREGATIONLEVEL_N8;
+ initDlBwp->pdcchCfg.searchSpcToAddModList[idx].numCandidatesAggLevel2 =\
+ AGGREGATIONLEVEL_N8;
+ initDlBwp->pdcchCfg.searchSpcToAddModList[idx].numCandidatesAggLevel4 =\
+ AGGREGATIONLEVEL_N4;
+ initDlBwp->pdcchCfg.searchSpcToAddModList[idx].numCandidatesAggLevel8 =\
+ AGGREGATIONLEVEL_N2;
+ initDlBwp->pdcchCfg.searchSpcToAddModList[idx].numCandidatesAggLevel16 =\
+ AGGREGATIONLEVEL_N1;
+ initDlBwp->pdcchCfg.searchSpcToAddModList[idx].searchSpaceType = \
+ SEARCHSPACETYPE_PR_UE_SPECIFIC;
+ initDlBwp->pdcchCfg.searchSpcToAddModList[idx].ueSpecificDciFormat =\
+ PDCCH_SRCH_SPC_TWO_UE_SPEC_DCI_FORMAT;
+
+ initDlBwp->pdcchCfg.numSearchSpcToRel = 0;
+
+ }
+ }
+ /* Filling PDSCH Config */
+ initDlBwp->pdschPresent = TRUE;
+ if(initDlBwp->pdschPresent)
+ {
+ initDlBwp->pdschCfg.dmrsDlCfgForPdschMapTypeA.addPos = ADDITIONALPOSITION_POS0;
+ initDlBwp->pdschCfg.resourceAllocType = RESOURCEALLOCATION_TYPE1;
+ initDlBwp->pdschCfg.numTimeDomRsrcAlloc = 1;
+ initDlBwp->pdschCfg.timeDomRsrcAllociList[idx].mappingType = \
+ MAPPING_TYPEA;
+ initDlBwp->pdschCfg.timeDomRsrcAllociList[idx].startSymbol = PDSCH_START_SYMBOL;
+ initDlBwp->pdschCfg.timeDomRsrcAllociList[idx].symbolLength = PDSCH_LENGTH_SYMBOL;
+ initDlBwp->pdschCfg.timeDomRsrcAllociList[idx].startSymbolAndLength = \
+ calcSliv(PDSCH_START_SYMBOL, PDSCH_LENGTH_SYMBOL);
+ initDlBwp->pdschCfg.rbgSize = RBG_SIZE_CONFIG1;
+ initDlBwp->pdschCfg.numCodeWordsSchByDci = CODEWORDS_SCHED_BY_DCI_N1;
+ initDlBwp->pdschCfg.bundlingType = TYPE_STATIC_BUNDLING;
+ }
+ }
+
+}
+
+/******************************************************************
+ *
+ * @brief Fills Initial UL Bandwidth Part
+ *
+ * @details
+ *
+ * Function : fillInitUlBwp
+ *
+ * Functionality: Fills Initial UL Bandwidth Part
+ *
+ *
+ *****************************************************************/
+void fillInitUlBwp(InitialUlBwp *initUlBwp)
+{
+ uint8_t idx;
+ if(initUlBwp)
+ {
+ initUlBwp->pucchPresent = FALSE;
+
+ /*Filling PUSCH Config */
+ initUlBwp->puschPresent = TRUE;
+ if(initUlBwp->puschPresent)
+ {
+ initUlBwp->puschCfg.dmrsUlCfgForPuschMapTypeA.addPos = ADDITIONALPOSITION_POS0;
+ initUlBwp->puschCfg.dmrsUlCfgForPuschMapTypeA.transPrecodDisabled. \
+ scramblingId0 = SCRAMBLING_ID;
+ initUlBwp->puschCfg.resourceAllocType = RESOURCEALLOCATION_TYPE1;
+ initUlBwp->puschCfg.numTimeDomRsrcAlloc = 1;
+ idx = 0;
+ if(initUlBwp->puschCfg.numTimeDomRsrcAlloc <= MAX_NUM_UL_ALLOC)
+ {
+ initUlBwp->puschCfg.timeDomRsrcAllocList[idx].k2 = PUSCH_K2;
+ initUlBwp->puschCfg.timeDomRsrcAllocList[idx].mappingType =\
+ MAPPING_TYPEA;
+ initUlBwp->puschCfg.timeDomRsrcAllocList[idx].startSymbol = PUSCH_START_SYMBOL;
+ initUlBwp->puschCfg.timeDomRsrcAllocList[idx].symbolLength = PUSCH_LENGTH_SYMBOL;
+ initUlBwp->puschCfg.timeDomRsrcAllocList[idx].startSymbolAndLength =\
+ calcSliv(PUSCH_START_SYMBOL, PUSCH_LENGTH_SYMBOL);
+ }
+ initUlBwp->puschCfg.transformPrecoder = TRANSFORM_PRECODER_DISABLED;
+ }
+ }
+ else
+ {
+ DU_LOG("\n DUAPP: Memory is NULL of InitalUlBwp");
+ }
+
+}
+/******************************************************************
+ *
+ * @brief Fills SpCell Group Info
+ *
+ * @details
+ *
+ * Function : fillSpCellGrpInfo
+ *
+ * Functionality: Fills Sp Cell Group Info
+ *
+ *
+ *****************************************************************/
+void fillSpCellGrpInfo(SpCellCfg *spCell)
+{
+ if(spCell)
+ {
+ spCell->servCellIdx = SERV_CELL_IDX;
+ /* Filling Initial Dl Bwp */
+ fillInitDlBwp(&spCell->servCellCfg.initDlBwp);
+
+ spCell->servCellCfg.numDlBwpToAdd = 0;
+ spCell->servCellCfg.firstActvDlBwpId = ACTIVE_DL_BWP_ID;
+ spCell->servCellCfg.defaultDlBwpId = ACTIVE_DL_BWP_ID;
+ spCell->servCellCfg.bwpInactivityTmr = NULLP;
+ spCell->servCellCfg.pdschServCellCfg.maxMimoLayers = NULLP;
+ spCell->servCellCfg.pdschServCellCfg.maxCodeBlkGrpPerTb = NULLP;
+ spCell->servCellCfg.pdschServCellCfg.codeBlkGrpFlushInd = NULLP;
+ spCell->servCellCfg.pdschServCellCfg.xOverhead = NULLP;
+ spCell->servCellCfg.pdschServCellCfg.numHarqProcForPdsch =\
+ NUM_HARQ_PROC_FOR_PDSCH_N_16;
+ /* Filling Initial UL Bwp*/
+ fillInitUlBwp(&spCell->servCellCfg.initUlBwp);
+ spCell->servCellCfg.numUlBwpToAdd = 0;
+ spCell->servCellCfg.firstActvUlBwpId = ACTIVE_DL_BWP_ID;
+ }
+ else
+ {
+ DU_LOG("\n DU_APP: Memory is NULL for SpCellGrp");
+ }
+}
+
+/******************************************************************
+ *
+ * @brief Fills Physical Cell Group Info
+ *
+ * @details
+ *
+ * Function : fillPhyCellGrpInfo
+ *
+ * Functionality: Fills Physical Cell Group Info
+ *
+ *
+ *****************************************************************/
+void fillPhyCellGrpInfo(PhyCellGrpCfg *cellGrp)
+{
+ if(cellGrp)
+ {
+ cellGrp->pdschHarqAckCodebook = PDSCH_HARQ_ACK_CODEBOOK_DYNAMIC;
+ cellGrp->pNrFr1 = P_NR_FR1;
+ }
+ else
+ {
+ DU_LOG("\nDUAPP: Memory is NULL for Physical Cell Group");
+ }
+}
+
+/******************************************************************
+ *
+ * @brief Fills Mac Cell Group Info
+ *
+ * @details
+ *
+ * Function : fillMacCellGrpInfo
+ *
+ * Functionality: Fills Mac Cell Group Info
+ *
+ *
+ *****************************************************************/
+void fillMacCellGrpInfo(MacCellGrpCfg *cellGrp)
+{
+ uint8_t idx;
+
+ if(cellGrp)
+ {
+ /* Filling Scheduling Request Config */
+ cellGrp->schReqCfg.addModListCount = 1;
+ if(cellGrp->schReqCfg.addModListCount <= MAX_NUM_SR_CFG_PER_CELL_GRP)
+ {
+ for(idx = 0; idx < cellGrp->schReqCfg.addModListCount; idx++)
+ {
+ cellGrp->schReqCfg.addModList[idx].schedReqId = SCH_REQ_ID;
+ cellGrp->schReqCfg.addModList[idx].srProhibitTmr = SR_PROHIBIT_MS_32;
+ cellGrp->schReqCfg.addModList[idx].srTransMax = SR_TRANS_MAX_N_16;
+ }
+ }
+ cellGrp->schReqCfg.relListCount = 0;
+
+ /* Filling Tag config */
+ cellGrp->tagCfg.addModListCount = 1;
+ if(cellGrp->tagCfg.addModListCount <= MAC_NUM_TAGS)
+ {
+ for(idx = 0; idx < cellGrp->tagCfg.addModListCount; idx++)
+ {
+ cellGrp->tagCfg.addModList[idx].tagId = TAG_ID;
+ cellGrp->tagCfg.addModList[idx].timeAlignTimer = TIME_ALIGNMENT_TIMER_INFINITY;
+ }
+ }
+ cellGrp->tagCfg.relListCount = 0;
+
+ /* Filling BSR config */
+ cellGrp->bsrTmrCfg.periodicTimer = PERIODIC_BSR_TMR;
+ cellGrp->bsrTmrCfg.retxTimer = RETX_BSR_TMR;
+ cellGrp->bsrTmrCfg.srDelayTimer = SR_DELAY_TMR;
+
+ /* Filling PHR config */
+ cellGrp->phrCfgSetupPres = true;
+ cellGrp->phrCfg.periodicTimer = PHR_PERIODIC_TIMER_INFINITY;
+ cellGrp->phrCfg.prohibitTimer = PHR_PROHIBIT_TIMER_SF_0;
+ cellGrp->phrCfg.txPowerFactor = PHR_TX_PWR_FACTOR_CHANGE_INFINITY;
+ cellGrp->phrCfg.multiplePHR = false;
+ cellGrp->phrCfg.dummy = false;
+ cellGrp->phrCfg.phrType2OtherCell = false;
+ cellGrp->phrCfg.phrOtherCG = PHR_MODE_OTHER_CG_REAL;
+
+ }
+ else
+ {
+ DU_LOG("\nDUAPP: Memory is NULL for Master Cell Group");
+ }
+}
+
+/******************************************************************
+ *
+ * @brief Fills Logical Channel Config List
+ *
+ * @details
+ *
+ * Function : fillLcCfgList
+ *
+ * Functionality: Fills Logical channel Config List
+ *
+ *
+ *****************************************************************/
+void fillLcCfgList(LcCfg *lcCfgInfo)
+{
+ if(lcCfgInfo)
+ {
+ lcCfgInfo->lcId = SRB1_LCID;
+ lcCfgInfo->drbQos = NULLP;
+ lcCfgInfo->snssai = NULLP;
+ lcCfgInfo->ulLcCfg = NULLP;
+ lcCfgInfo->dlLcCfg.lcp = LC_PRIORITY_1;
+
+#if 0
+ /* TODO: To be filled on receving UE CONTEXT SETUP from CU */
+ /* Filling Qos characteristics */
+ lcCfgInfo->drbQos.fiveQiType = QoS_Characteristics_PR_non_Dynamic_5QI;
+ lcCfgInfo->drbQos.u.nonDyn5Qi.fiveQi = 0;
+ lcCfgInfo->drbQos.u.nonDyn5Qi.priorLevel = 0;
+ lcCfgInfo->drbQos.u.nonDyn5Qi.avgWindow = 0;
+ lcCfgInfo->drbQos.u.nonDyn5Qi.maxDataBurstVol = 0;
+
+ /* Filling NgRAN */
+ lcCfgInfo->drbQos.ngRanRetPri.priorityLevel = PriorityLevel_highest;
+ lcCfgInfo->drbQos.ngRanRetPri.preEmptionCap = \
+ Pre_emptionCapability_may_trigger_pre_emption;
+ lcCfgInfo->drbQos.ngRanRetPri.preEmptionVul = \
+ Pre_emptionVulnerability_not_pre_emptable;
+
+ /* Filling Grb Qos */
+ lcCfgInfo->drbQos.grbQosInfo.maxFlowBitRateDl = 0;
+ lcCfgInfo->drbQos.grbQosInfo.maxFlowBitRateUl = 0;
+ lcCfgInfo->drbQos.grbQosInfo.guarFlowBitRateDl = 0;
+ lcCfgInfo->drbQos.grbQosInfo.guarFlowBitRateUl = 0;
+
+ /* Filling S-NSSAI */
+ /* TODO :To be filled when UE Context Setup Request is sent from CU */
+ /* Filling UL Logical Channel Config */
+ lcCfgInfo->ulLcCfg.priority = 0;
+ lcCfgInfo->ulLcCfg.lcGroup = 0;
+ lcCfgInfo->ulLcCfg.schReqId = 0;
+ lcCfgInfo->ulLcCfg.pbr = 0;
+ lcCfgInfo->ulLcCfg.bsd = 0;
+
+ /* Filling DL Logical Channel Config */
+ lcCfgInfo->dlLcCfg.lcp = 0;
+#endif
+ }
+ else
+ {
+ DU_LOG("\n Memory is null for LcCfgList");
+ }
+}
+
+/******************************************************************
+ *
+ * @brief Fills MacUeCfg structure
+ *
+ * @details
+ *
+ * Function : fillMacUeCfg
+ *
+ * Functionality: Fills MacUeCfg
+ *
+ *
+ *****************************************************************/
+void fillMacUeCfg(uint16_t cellId, uint8_t ueIdx,\
+ uint16_t crnti, MacUeCfg *ueCfg)
+{
+ uint8_t idx;
+ ueCfg->cellId = cellId;
+ ueCfg->ueIdx = ueIdx;
+ ueCfg->crnti = crnti;
+ /* Filling MacCellGroup Config */
+ fillMacCellGrpInfo(&ueCfg->macCellGrpCfg);
+ /* Filling PhyCellGroup Config */
+ fillPhyCellGrpInfo(&ueCfg->phyCellGrpCfg);
+ /* Filling SpCellGroup Config */
+ fillSpCellGrpInfo(&ueCfg->spCellCfg);
+ /* Filling AMBR for UL and DL */
+ ueCfg->maxAggrBitRate = NULLP;
+ /* Filling LC Context */
+ ueCfg->numLcs = SRB1_LCID;
+ if(ueCfg->numLcs < MAX_NUM_LC)
+ {
+ for(idx = 0; idx < ueCfg->numLcs; idx++)
+ {
+ fillLcCfgList(&ueCfg->lcCfgList[idx]);
+ }
+ }
+
+}
+
+/******************************************************************
+ *
+ * @brief Fills Rlc AM Information
+ *
+ * @details
+ *
+ * Function : fillAmInfo
+ *
+ * Functionality: Fills Rlc AM Information
+ *
+ *
+ *****************************************************************/
+void fillAmInfo(AmBearerCfg *amCfg)
+{
+ /* DL AM */
+ amCfg->dlAmCfg.snLenDl = AM_SIZE_12;
+ amCfg->dlAmCfg.pollRetxTmr = POLL_RETX_TMR_45MS;
+ amCfg->dlAmCfg.pollPdu = POLL_PDU_TMR_INFINITY;
+ amCfg->dlAmCfg.pollByte = POLL_BYTES_INFINITY;
+ amCfg->dlAmCfg.maxRetxTh = RETX_TH_8;
+
+ /* UL AM */
+ amCfg->ulAmCfg.snLenUl = AM_SIZE_12;
+ amCfg->ulAmCfg.reAssemTmr = RE_ASM_40MS;
+ amCfg->ulAmCfg.statProhTmr = PROH_35MS;
+
+}
+
+/******************************************************************
+ *
+ * @brief Fills RLC UM Bi Directional Information
+ *
+ * @details
+ *
+ * Function : fillUmBiDirInfo
+ *
+ * Functionality: Fills RLC UM Bi Directional Information
+ *
+ *
+ *****************************************************************/
+void fillUmBiDirInfo(UmBiDirBearerCfg *umBiDirCfg)
+{
+ /* UL UM BI DIR INFO */
+ umBiDirCfg->ulUmCfg.snLenUlUm = UM_SIZE_12;
+ umBiDirCfg->ulUmCfg.reAssemTmr = RE_ASM_40MS;
+
+ /* DL UM BI DIR INFO */
+ umBiDirCfg->dlUmCfg.snLenDlUm = UM_SIZE_12;
+
+}
+
+/******************************************************************
+ *
+ * @brief Fills RLC UM Uni Directional UL Information
+ *
+ * @details
+ *
+ * Function : fillUmUniDirUlInfo
+ *
+ * Functionality: Fills RLC UM Uni Directional Info
+ *
+ *
+ *****************************************************************/
+void fillUmUniDirUlInfo(UmUniDirUlBearerCfg *umUniDirUlCfg)
+{
+ umUniDirUlCfg->ulUmCfg.snLenUlUm = UM_SIZE_12;
+ umUniDirUlCfg->ulUmCfg.reAssemTmr = RE_ASM_40MS;
+}
+
+/******************************************************************
+ *
+ * @brief Fills RLC UM Uni Directional DL Information
+ *
+ * @details
+ *
+ * Function : fillUmUniDirDlInfo
+ *
+ * Functionality: Fills RLC UM Uni Directional DL Info
+ *
+ *
+ *****************************************************************/
+void fillUmUniDirDlInfo(UmUniDirDlBearerCfg *umUniDirDlCfg)
+{
+ umUniDirDlCfg->dlUmCfg.snLenDlUm = UM_SIZE_12;
+}
+
+/******************************************************************
+ *
+ * @brief Fills RlcBearerCfg structure
+ *
+ * @details
+ *
+ * Function : fillRlcBearerCfg
+ *
+ * Functionality: Fills Rlc Bearer Cfg
+ *
+ *
+ *****************************************************************/
+void fillRlcBearerCfg(uint16_t cellId, uint8_t ueIdx, RlcUeCfg *ueCfg)
+{
+ uint8_t idx;
+ ueCfg->cellId = cellId;
+ ueCfg->ueIdx = ueIdx;
+ ueCfg->numLcs = SRB1_LCID;
+
+ for(idx = 0; idx < ueCfg->numLcs; idx++)
+ {
+ ueCfg->rlcBearerCfg[idx].rbId = RB_ID_SRB;
+ ueCfg->rlcBearerCfg[idx].rbType = RB_TYPE_SRB;
+ ueCfg->rlcBearerCfg[idx].lcId = SRB1_LCID;
+ ueCfg->rlcBearerCfg[idx].lcType = LCH_DCCH;
+ ueCfg->rlcBearerCfg[idx].rlcMode = RLC_AM;
+ switch(ueCfg->rlcBearerCfg[idx].rlcMode)
+ {
+ case RLC_AM:
+ memset(&ueCfg->rlcBearerCfg[idx].u.amCfg, 0, sizeof(AmBearerCfg));
+ fillAmInfo(&ueCfg->rlcBearerCfg[idx].u.amCfg);
+ break;
+ case RLC_UM_BI_DIRECTIONAL:
+ memset(&ueCfg->rlcBearerCfg[idx].u.umBiDirCfg, 0, sizeof(UmBiDirBearerCfg));
+ fillUmBiDirInfo(&ueCfg->rlcBearerCfg[idx].u.umBiDirCfg);
+ break;
+ case RLC_UM_UNI_DIRECTIONAL_UL:
+ memset(&ueCfg->rlcBearerCfg[idx].u.umUniDirUlCfg, 0, sizeof(UmUniDirUlBearerCfg));
+ fillUmUniDirUlInfo(&ueCfg->rlcBearerCfg[idx].u.umUniDirUlCfg);
+ break;
+ case RLC_UM_UNI_DIRECTIONAL_DL:
+ memset(&ueCfg->rlcBearerCfg[idx].u.umUniDirDlCfg, 0, sizeof(UmUniDirDlBearerCfg));
+ fillUmUniDirDlInfo(&ueCfg->rlcBearerCfg[idx].u.umUniDirDlCfg);
+ break;
+ default :
+ DU_LOG("\nDU_APP: Rlc Mode invalid %d", ueCfg->rlcBearerCfg[idx].rlcMode);
+ break;
+ }
+ }
+}
+
+/******************************************************************
+ *
+ * @brief creates UE context
+ *
+ * @details
+ *
+ * Function : duCreateUeCb
+ *
+ * Functionality: Creates UE Conetxt
+ *
+ * @params[in] UeCcchCtxt Pointer
+ * UeIdx Pointer
+ *
+ * @return ROK - success
+ * RFAILED - failure
+ * ****************************************************************/
+uint8_t duCreateUeCb(UeCcchCtxt *ueCcchCtxt, uint32_t gnbCuUeF1apId)
+{
+ uint8_t cellIdx = 0;
+ uint8_t ret = ROK;
+ uint8_t ueIdx;
+
+ for(cellIdx = 0; cellIdx < MAX_NUM_CELL; cellIdx++)
+ {
+ if(ueCcchCtxt->cellId == duCb.actvCellLst[cellIdx]->cellId)
+ {
+ GET_UE_IDX(ueCcchCtxt->crnti, ueIdx);
+ DU_LOG("\nDU_APP: Filling UeCb for ueIdx [%d]", ueIdx);
+
+ duCb.actvCellLst[cellIdx]->ueCb[ueIdx-1].gnbDuUeF1apId = ueCcchCtxt->gnbDuUeF1apId;
+ duCb.actvCellLst[cellIdx]->ueCb[ueIdx-1].gnbCuUeF1apId = gnbCuUeF1apId;
+ duCb.actvCellLst[cellIdx]->ueCb[ueIdx-1].ueState = UE_ACTIVE;
+
+ /* Filling Mac Ue Config */
+ memset(&duCb.actvCellLst[cellIdx]->ueCb[ueIdx-1].macUeCfg, 0, sizeof(MacUeCfg));
+ ret = duBuildAndSendUeCreateReqToMac(ueCcchCtxt->cellId, ueIdx, ueCcchCtxt->crnti,\
+ &duCb.actvCellLst[cellIdx]->ueCb[ueIdx-1].macUeCfg);
+ if(ret)
+ DU_LOG("\nDU_APP: Failed to send UE create request to MAC");
+
+ /* Filling Rlc Ue Config */
+ memset(&duCb.actvCellLst[cellIdx]->ueCb[ueIdx-1].rlcUeCfg, 0, sizeof(RlcUeCfg));
+ ret = duBuildAndSendUeCreateReqToRlc(ueCcchCtxt->cellId, ueIdx, \
+ &duCb.actvCellLst[cellIdx]->ueCb[ueIdx-1].rlcUeCfg);
+ if(ret)
+ DU_LOG("\nDU_APP: Failed to send UE create request to RLC");
+
+ duCb.actvCellLst[cellIdx]->numActvUes++;
+ memset(ueCcchCtxt, 0, sizeof(UeCcchCtxt));
+ }
+ }
+ return ret;
+}
+
+/******************************************************************
+ *
+ * @brief Builds and Send UE Create Request to MAC
+ *
+ * @details
+ *
+ * Function : duBuildAndSendUeCreateReqToMac
+ *
+ * Functionality: Builds and Send UE Create Request to MAC
+ *
+ * @Params[in] cellId,
+ * ueIdx
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+
+uint8_t duBuildAndSendUeCreateReqToMac(uint16_t cellId, uint8_t ueIdx,\
+ uint16_t crnti, MacUeCfg *duMacUeCfg)
+{
+ uint8_t ret = ROK;
+ MacUeCfg *macUeCfg = NULLP;
+ Pst pst;
+ memset(&pst, 0, sizeof(Pst));
+
+ fillMacUeCfg(cellId, ueIdx, crnti, duMacUeCfg);
+
+ /* Fill Pst */
+ FILL_PST_DUAPP_TO_MAC(pst, EVENT_MAC_UE_CREATE_REQ);
+
+ /* Copying ueCb to a sharable buffer */
+ DU_ALLOC_SHRABL_BUF(macUeCfg, sizeof(MacUeCfg));
+ if(macUeCfg)
+ {
+ memset(macUeCfg, 0, sizeof(MacUeCfg));
+ memcpy(macUeCfg, &duCb.actvCellLst[cellId - 1]->ueCb[ueIdx -1].macUeCfg, sizeof(MacUeCfg));
+ DU_LOG("\nDU_APP: Sending UE create request to MAC");
+
+ /* Processing one Ue at a time to MAC */
+ ret = (*packMacUeCreateReqOpts[pst.selector])(&pst, macUeCfg);
+ if(ret)
+ {
+ DU_LOG("\nDU_APP : Failure in sending Ue Create Req to MAC");
+ DU_FREE_SHRABL_BUF(DU_APP_MEM_REGION, DU_POOL, macUeCfg, sizeof(MacUeCfg));
+ ret = RFAILED;
+ }
+ }
+ else
+ {
+ DU_LOG("\n DU_APP: Memory alloc failed at duBuildAndSendUeCreateReqToMac()");
+ ret = RFAILED;
+ }
+ return ret;
+}
+
+/*******************************************************************
+ *
+ * @brief Handle UE create response from MAC
+ *
+ * @details
+ *
+ * Function : DuHandleMacUeCreateRsp
+ *
+ * Functionality: Handle UE create response from MAC
+ *
+ * @params[in] Pointer to MacUeCfgRsp and Pst
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+uint8_t DuHandleMacUeCreateRsp(Pst *pst, MacUeCfgRsp *cfgRsp)
+{
+ if(cfgRsp->result == MAC_DU_APP_RSP_OK)
+ {
+ DU_LOG("\nDU APP : MAC UE Create Response : SUCCESS [UE IDX : %d]", cfgRsp->ueIdx);
+ }
+ else
+ {
+ DU_LOG("\nDU APP : MAC UE Create Response : FAILURE [UE IDX : %d]", cfgRsp->ueIdx);
+ }
+ return ROK;
+}
+
+/*******************************************************************
+ *
+ * @brief Processes UE create Req to RLC UL
+ *
+ * @details
+ *
+ * Function : duBuildAndSendUeCreateReqToRlc