+
+ /*Special Cells to be SetupList*/
+ idx++;
+ ueSetReq->protocolIEs.list.array[idx]->id = \
+ ProtocolIE_ID_id_SCell_ToBeSetup_List;
+ ueSetReq->protocolIEs.list.array[idx]->criticality = Criticality_ignore;
+ ueSetReq->protocolIEs.list.array[idx]->value.present = \
+ UEContextSetupRequestIEs__value_PR_SCell_ToBeSetup_List;
+ SplCellListret = BuildSplCellList(&ueSetReq->protocolIEs.list.array[idx]->value.choice.SCell_ToBeSetup_List);
+ if(SplCellListret != ROK)
+ {
+ break;
+ }
+ /*SRBs To Be Setup List*/
+ idx++;
+ ueSetReq->protocolIEs.list.array[idx]->id = \
+ ProtocolIE_ID_id_SRBs_ToBeSetup_List;
+ ueSetReq->protocolIEs.list.array[idx]->criticality = Criticality_reject;
+ ueSetReq->protocolIEs.list.array[idx]->value.present = \
+ UEContextSetupRequestIEs__value_PR_SRBs_ToBeSetup_List;
+ SrbSetupret = BuildSRBSetup(&ueSetReq->protocolIEs.list.array[idx]->value.choice.SRBs_ToBeSetup_List);
+ if(SrbSetupret != ROK)
+ {
+ break;
+ }
+ /*DRBs to Be Setup List*/
+ idx++;
+ ueSetReq->protocolIEs.list.array[idx]->id = \
+ ProtocolIE_ID_id_DRBs_ToBeSetup_List;
+ ueSetReq->protocolIEs.list.array[idx]->criticality = Criticality_reject;
+ ueSetReq->protocolIEs.list.array[idx]->value.present = \
+ UEContextSetupRequestIEs__value_PR_DRBs_ToBeSetup_List;
+ ret1 = BuildDRBSetup(&ueSetReq->protocolIEs.list.array[idx]->value.choice.DRBs_ToBeSetup_List);
+ if(ret1 != ROK)
+ {
+ break;
+ }
+ /* RRC Container for security mode */
+ idx++;
+ ueSetReq->protocolIEs.list.array[idx]->id = ProtocolIE_ID_id_RRCContainer;
+ ueSetReq->protocolIEs.list.array[idx]->criticality = Criticality_reject;
+ ueSetReq->protocolIEs.list.array[idx]->value.present = \
+ UEContextSetupRequestIEs__value_PR_RRCContainer;
+ char secModeBuf[9]={0x00, 0x02, 0x22, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00};
+ bufLen =9;
+ ueSetReq->protocolIEs.list.array[idx]->value.choice.RRCContainer.size = bufLen;
+ CU_ALLOC(ueSetReq->protocolIEs.list.array[idx]->value.choice.RRCContainer.buf,
+ ueSetReq->protocolIEs.list.array[idx]->value.choice.RRCContainer.size);
+ if(!ueSetReq->protocolIEs.list.array[idx]->value.choice.RRCContainer.buf)
+ {
+ DU_LOG("\nERROR --> F1AP : Memory allocation for BuildAndSendUeContextSetupReq failed");
+ break;
+ }
+ memset(ueSetReq->protocolIEs.list.array[idx]->value.choice.RRCContainer.buf, 0, bufLen);
+ memcpy(ueSetReq->protocolIEs.list.array[idx]->value.choice.RRCContainer.buf, secModeBuf, bufLen);
+
+ /* RRC delivery status request */
+ idx++;
+ ueSetReq->protocolIEs.list.array[idx]->id = \
+ ProtocolIE_ID_id_RRCDeliveryStatusRequest;
+ ueSetReq->protocolIEs.list.array[idx]->criticality = Criticality_ignore;
+ ueSetReq->protocolIEs.list.array[idx]->value.present = \
+ UEContextSetupRequestIEs__value_PR_RRCDeliveryStatusRequest;
+ ueSetReq->protocolIEs.list.array[idx]->value.choice.RRCDeliveryStatusRequest = \
+ RRCDeliveryStatusRequest_true;
+
+ /* Bit Rate hardcoded as in reference logs */
+ idx++;
+ ueSetReq->protocolIEs.list.array[idx]->id = \
+ ProtocolIE_ID_id_GNB_DU_UE_AMBR_UL;
+ ueSetReq->protocolIEs.list.array[idx]->criticality = Criticality_ignore;
+ ueSetReq->protocolIEs.list.array[idx]->value.present = \
+ UEContextSetupRequestIEs__value_PR_BitRate;
+ char bitRateBuf[4]= {0x3B, 0x37, 0xF4, 0xCD};
+ bufLen = 4;
+ ueSetReq->protocolIEs.list.array[idx]->value.choice.BitRate.size = bufLen;
+ CU_ALLOC(ueSetReq->protocolIEs.list.array[idx]->value.choice.BitRate.buf,\
+ ueSetReq->protocolIEs.list.array[idx]->value.choice.BitRate.size);
+ if(!ueSetReq->protocolIEs.list.array[idx]->value.choice.BitRate.buf)
+ {
+ DU_LOG("\nERROR --> F1AP : Failed to allocate memory for Bit Rate in BuildAndSendUeContextSetupReq()");
+ break;
+ }
+ memset(ueSetReq->protocolIEs.list.array[idx]->value.choice.BitRate.buf, 0, bufLen);
+ memcpy(ueSetReq->protocolIEs.list.array[idx]->value.choice.BitRate.buf, bitRateBuf, bufLen);
+
+ xer_fprint(stdout, &asn_DEF_F1AP_PDU, f1apMsg);
+
+ /* Encode the F1SetupRequest type as APER */
+ memset(encBuf, 0, ENC_BUF_MAX_LEN);
+ encBufSize = 0;
+ encRetVal = aper_encode(&asn_DEF_F1AP_PDU, 0, f1apMsg, PrepFinalEncBuf,\
+ encBuf);
+ /* Encode results */
+ if(encRetVal.encoded == ENCODE_FAIL)
+ {
+ DU_LOG( "\nERROR --> F1AP : Could not encode UE Context Setup Request structure (at %s)\n",\
+ encRetVal.failed_type ? encRetVal.failed_type->name : "unknown");
+ break;
+ }
+ else
+ {
+ DU_LOG("\nDEBUG --> F1AP : Created APER encodedbuffer for UE Context Setup Request\n");
+ for(int i=0; i< encBufSize; i++)
+ {
+ DU_LOG("%x",encBuf[i]);
+ }
+ }
+
+ /* Sending msg */
+ if(SendF1APMsg(CU_APP_MEM_REG,CU_POOL) != ROK)
+ {
+ DU_LOG("\nERROR --> F1AP : Sending UE Context Setup Request Failed");
+ break;
+ }
+ ret = ROK;
+ break;
+ }
+ FreeUeContextSetupReq(f1apMsg);
+
+ return ret;
+}/* End of BuildAndSendUeContextSetupReq*/
+
+/**********************************************************************
+ * @brief Function to extractTeId received in UE context setup Response
+ *
+ * @details
+ *
+ * Function : extractTeId
+ *
+ * Functionality:
+ * - Function to extract TeId
+ *
+ * @params[in]
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ **********************************************************************/
+uint8_t extractTeId(DLUPTNLInformation_ToBeSetup_List_t *dlTnlInfo)
+{
+ uint8_t arrIdx = 0;
+ uint32_t teId = 0;
+ GTPTunnel_t *gtpDl = NULLP;
+
+ for(arrIdx =0; arrIdx < dlTnlInfo->list.count; arrIdx++)
+ {
+ if(dlTnlInfo->list.array[arrIdx]->dLUPTNLInformation.present == UPTransportLayerInformation_PR_gTPTunnel)
+ {
+ if(dlTnlInfo->list.array[arrIdx]->dLUPTNLInformation.choice.gTPTunnel != NULLP)
+ {
+ gtpDl = dlTnlInfo->list.array[arrIdx]->dLUPTNLInformation.choice.gTPTunnel;
+ if(gtpDl->gTP_TEID.size > 0)
+ {
+ teIdStringToInt(gtpDl->gTP_TEID.buf, &teId);
+ }
+ else
+ DU_LOG("\nERROR --> EGTP: No TeId received");
+ return(teId);
+ }
+ }
+ }
+ return teId;
+}
+
+/****************************************************************
+ * @brief Function to add Drb tunnels
+ *
+ * @details
+ *
+ * Function : addDrbTunnels
+ *
+ * Functionality:
+ * - Function to add Drb tunnels
+ *
+ * @params[in]
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+uint8_t addDrbTunnels(uint8_t teId)
+{
+ uint8_t ret = ROK;
+ EgtpTnlEvt tnlEvt;
+
+ if(teId > MAX_TEID || teId < MIN_TEID)
+ {
+ DU_LOG("\nERROR --> EGTP : TEID(%x) OUT Of Range",teId);
+ }
+ memset(&tnlEvt, 0, sizeof(EgtpTnlEvt));
+ tnlEvt.action = EGTP_TNL_MGMT_ADD;
+ tnlEvt.lclTeid = teId;
+ tnlEvt.remTeid = teId;
+ ret = cuEgtpTnlMgmtReq(tnlEvt);
+ if(ret != ROK)
+ {
+ DU_LOG("\nERROR --> EGTP : Tunnel management request failed for teId %x", teId);
+ }
+ return ROK;
+}
+
+/****************************************************************
+ * @brief Function to process Drb Setup List
+ *
+ * @details
+ *
+ * Function : procDrbSetupList
+ *
+ * Functionality:
+ * - Function to process DRB Setup List
+ *
+ * @params[in]
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+uint8_t procDrbSetupList(DRBs_Setup_List_t *drbSetupList)
+{
+ uint8_t arrIdx = 0;
+ uint32_t teId = 0;
+ DRBs_Setup_ItemIEs_t *drbItemIe = NULLP;
+
+ if(drbSetupList != NULLP)
+ {
+ for(arrIdx = 0; arrIdx < drbSetupList->list.count; arrIdx++)
+ {
+ drbItemIe = ((DRBs_Setup_ItemIEs_t *)drbSetupList->list.array[arrIdx]);
+ if(drbItemIe->value.present == DRBs_Setup_ItemIEs__value_PR_DRBs_Setup_Item)
+ {
+ /* extracting teId */
+ teId = extractTeId(&drbItemIe->value.choice.DRBs_Setup_Item.dLUPTNLInformation_ToBeSetup_List);
+ if(teId > 0)
+ {
+ if(addDrbTunnels(teId)== ROK)
+ {
+ DU_LOG("\nDEBUG --> EGTP: Tunnel Added for TeId %d", teId);
+ }
+ }
+ else
+ return RFAILED;
+ }
+ }
+ }
+ return ROK;
+}
+
+/****************************************************************
+ * @brief Function to process Ue Context Setup Response
+ *
+ * @details
+ *
+ * Function : procUeContextSetupResponse
+ *
+ * Functionality:
+ * - Function to process Ue Context Setup Response
+ *
+ * @params[in]
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+uint8_t procUeContextSetupResponse(F1AP_PDU_t *f1apMsg)
+{
+ uint8_t idx, duUeF1apId;
+ UEContextSetupResponse_t *ueCtxtSetupRsp = NULLP;
+ ueCtxtSetupRsp = &f1apMsg->choice.successfulOutcome->value.choice.UEContextSetupResponse;
+
+ for(idx=0; idx < ueCtxtSetupRsp->protocolIEs.list.count; idx++)
+ {
+ switch(ueCtxtSetupRsp->protocolIEs.list.array[idx]->id)
+ {
+ case ProtocolIE_ID_id_gNB_DU_UE_F1AP_ID:
+ {
+ duUeF1apId = ueCtxtSetupRsp->protocolIEs.list.array[idx]->value.choice.GNB_DU_UE_F1AP_ID;
+ break;
+ }
+ case ProtocolIE_ID_id_DRBs_Setup_List:
+ {
+ /* Adding Tunnels for successful DRB */
+ procDrbSetupList(&ueCtxtSetupRsp->protocolIEs.list.array[idx]->value.choice.DRBs_Setup_List);
+ break;
+
+ }
+ }
+ }
+ ueCb[duUeF1apId-1].f1apMsgDb.dlRrcMsgCount++; /* keeping DL RRC Msg Count */
+ return ROK;
+}
+
+/****************************************************************
+ * @brief Function to process Ul Rrc Msg received from DU
+ *
+ * @details
+ *
+ * Function : procUlRrcMsg
+ *
+ * Functionality:
+ * - Function to process Ul Rrc Msg received from DU
+ *
+ * @params[in]
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+
+uint8_t procUlRrcMsg(F1AP_PDU_t *f1apMsg)
+{
+ uint8_t idx, ret, srbId, rrcMsgType;
+ uint8_t cuUeF1apId, duUeF1apId;
+ uint8_t *rrcContainer = NULLP;
+ uint16_t rrcContLen;
+ ULRRCMessageTransfer_t *ulRrcMsg = NULLP;
+
+ ret = ROK;
+ ulRrcMsg = &f1apMsg->choice.initiatingMessage->value.choice.ULRRCMessageTransfer;
+
+ for(idx=0; idx < ulRrcMsg->protocolIEs.list.count; idx++)
+ {
+ switch(ulRrcMsg->protocolIEs.list.array[idx]->id)
+ {
+ case ProtocolIE_ID_id_gNB_CU_UE_F1AP_ID:
+ {
+ cuUeF1apId = ulRrcMsg->protocolIEs.list.array[idx]->value.choice.GNB_CU_UE_F1AP_ID;
+ break;
+ }
+ case ProtocolIE_ID_id_gNB_DU_UE_F1AP_ID:
+ {
+ duUeF1apId = ulRrcMsg->protocolIEs.list.array[idx]->value.choice.GNB_DU_UE_F1AP_ID;
+ break;
+ }
+ case ProtocolIE_ID_id_SRBID:
+ srbId = ulRrcMsg->protocolIEs.list.array[idx]->value.choice.SRBID;
+ break;
+ case ProtocolIE_ID_id_RRCContainer:
+ {
+ rrcContLen = ulRrcMsg->protocolIEs.list.array[idx]->value.choice.RRCContainer.size;
+ CU_ALLOC(rrcContainer, rrcContLen)
+ if(!rrcContainer)
+ {
+ DU_LOG("\nERROR --> F1AP : Failed to allocated memory in procUlRrcMsg");
+ return RFAILED;
+ }
+ memcpy(rrcContainer, ulRrcMsg->protocolIEs.list.array[idx]->value.choice.RRCContainer.buf,\
+ rrcContLen);
+ break;
+ }
+
+ default:
+ DU_LOG("\nERROR --> F1AP : Invalid Event %ld", ulRrcMsg->protocolIEs.list.array[idx]->id);
+ break;
+ }
+ }
+ if(srbId == 1)
+ {
+ ueCb[duUeF1apId-1].f1apMsgDb.dlRrcMsgCount++;
+ rrcMsgType = setDlRRCMsgType(duUeF1apId);
+ if(rrcMsgType == REGISTRATION_ACCEPT)
+ {
+ DU_LOG("\nINFO --> F1AP: Sending DL RRC MSG for RRC Registration Accept");
+ ret = BuildAndSendDLRRCMessageTransfer(duUeF1apId, srbId, rrcMsgType);
+ }
+ if(rrcMsgType == UE_CONTEXT_SETUP_REQ)
+ {
+ DU_LOG("\nINFO --> F1AP: Sending Ue Context Setup Req");
+ ret = BuildAndSendUeContextSetupReq(cuUeF1apId, duUeF1apId,\
+ rrcContLen, rrcContainer);
+ }
+ if(rrcMsgType == SECURITY_MODE_COMPLETE)
+ {
+ /* To trigger the DL RRC Msg for RRC Reconfig */
+ ueCb[duUeF1apId-1].f1apMsgDb.dlRrcMsgCount++;
+ rrcMsgType = setDlRRCMsgType(duUeF1apId);
+ if(rrcMsgType == RRC_RECONFIG)
+ {
+ DU_LOG("\nINFO --> F1AP: Sending DL RRC MSG for RRC Reconfig");
+ BuildAndSendDLRRCMessageTransfer(duUeF1apId, srbId, rrcMsgType);
+ }
+ }
+ if(rrcMsgType == UE_CONTEXT_MOD_REQ)
+ {
+ DU_LOG("\nINFO --> F1AP: Sending UE Context Modification Request");
+ BuildAndSendUeContextModificationReq(duUeF1apId);
+ }
+ }
+ return ret;
+}
+
+/****************************************************************
+ * @brief Build And Send F1ResetAck
+ *
+ * @details
+ *
+ * Function : FreeF1ResetAck
+ *
+ * Functionality:
+ * - Build And Send F1ResetRSP
+ *
+ * @params[in]
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+void FreeF1ResetAck(F1AP_PDU_t *f1apMsg)
+{
+ uint8_t idx;
+ ResetAcknowledge_t *f1ResetAck;
+
+ if(f1apMsg)
+ {
+ if(f1apMsg->choice.successfulOutcome)
+ {
+ f1ResetAck= &f1apMsg->choice.successfulOutcome->value.choice.ResetAcknowledge;
+
+ if(f1ResetAck->protocolIEs.list.array)
+ {
+ for(idx=0; idx<f1ResetAck->protocolIEs.list.count ; idx++)
+ {
+ if(f1ResetAck->protocolIEs.list.array[idx])
+ {
+ CU_FREE(f1ResetAck->protocolIEs.list.array[idx], sizeof(ResetAcknowledgeIEs_t));
+ }
+ }
+ CU_FREE(f1ResetAck->protocolIEs.list.array, f1ResetAck->protocolIEs.list.size );
+ }
+ CU_FREE(f1apMsg->choice.successfulOutcome, sizeof(SuccessfulOutcome_t));
+ }
+ CU_FREE(f1apMsg, sizeof(F1AP_PDU_t));
+ }
+}
+
+/****************************************************************
+ * @brief Build And Send F1ResetAck
+ *
+ * @details
+ *
+ * Function : BuildAndSendF1ResetAck
+ *
+ * Functionality:
+ * - Build And Send F1ResetRSP
+ *
+ * @params[in]
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+
+uint8_t BuildAndSendF1ResetAck()
+{
+ uint8_t idx = 0;
+ uint8_t elementCnt = 0;
+ uint8_t ret = RFAILED;
+ F1AP_PDU_t *f1apMsg = NULL;
+ ResetAcknowledge_t *f1ResetAck = NULLP;
+ asn_enc_rval_t encRetVal;
+ DU_LOG("\nINFO --> F1AP : Building F1 Reset Acknowledgment \n");
+
+ do{
+ /* Allocate the memory for F1ResetRequest_t */
+ CU_ALLOC(f1apMsg, sizeof(F1AP_PDU_t));
+ if(f1apMsg == NULLP)
+ {
+ DU_LOG("\nERROR --> F1AP : Memory allocation for F1AP-PDU failed");
+ break;
+ }
+
+ f1apMsg->present = F1AP_PDU_PR_successfulOutcome;
+
+ CU_ALLOC(f1apMsg->choice.successfulOutcome, sizeof(SuccessfulOutcome_t));
+ if(f1apMsg->choice.successfulOutcome == NULLP)
+ {
+ DU_LOG("\nERROR --> F1AP : Memory allocation for F1AP-PDU failed");
+ break;
+ }
+
+ f1apMsg->choice.successfulOutcome->procedureCode = ProcedureCode_id_Reset;
+ f1apMsg->choice.successfulOutcome->criticality = Criticality_reject;
+ f1apMsg->choice.successfulOutcome->value.present = SuccessfulOutcome__value_PR_ResetAcknowledge;
+ f1ResetAck = &f1apMsg->choice.successfulOutcome->value.choice.ResetAcknowledge;
+
+ elementCnt = 1;
+
+ f1ResetAck->protocolIEs.list.count = elementCnt;
+ f1ResetAck->protocolIEs.list.size = elementCnt*sizeof(ResetAcknowledgeIEs_t *);
+
+ CU_ALLOC(f1ResetAck->protocolIEs.list.array, f1ResetAck->protocolIEs.list.size );
+ if(f1ResetAck->protocolIEs.list.array == NULLP)
+ {
+ DU_LOG("\nERROR --> F1AP : Memory allocation for F1ResetAckIEs failed");
+ break;
+ }
+
+ for(idx=0; idx<elementCnt; idx++)
+ {
+ CU_ALLOC(f1ResetAck->protocolIEs.list.array[idx], sizeof(ResetAcknowledgeIEs_t));
+ if(f1ResetAck->protocolIEs.list.array[idx] == NULLP)
+ {
+ break;
+ }
+ }
+ /*TransactionID*/
+ idx = 0;
+ f1ResetAck->protocolIEs.list.array[idx]->id = ProtocolIE_ID_id_TransactionID;
+ f1ResetAck->protocolIEs.list.array[idx]->criticality = Criticality_reject;
+ f1ResetAck->protocolIEs.list.array[idx]->value.present = ResetAcknowledgeIEs__value_PR_TransactionID;
+ f1ResetAck->protocolIEs.list.array[idx]->value.choice.TransactionID = TRANS_ID;
+
+ xer_fprint(stdout, &asn_DEF_F1AP_PDU, f1apMsg);
+
+ /* Encode the F1SetupRequest type as UPER */
+ memset(encBuf, 0, ENC_BUF_MAX_LEN);
+ encBufSize = 0;
+ encRetVal = aper_encode(&asn_DEF_F1AP_PDU, 0, f1apMsg, PrepFinalEncBuf, encBuf);
+
+ /* Check encode results */
+ if(encRetVal.encoded == ENCODE_FAIL)
+ {
+ DU_LOG("\nERROR --> F1AP : Could not encode F1ResetAck structure (at %s)\n",\
+ encRetVal.failed_type ? encRetVal.failed_type->name : "unknown");
+ break;
+ }
+ else
+ {
+ DU_LOG("\nDEBUG --> F1AP : Created APER encodedbuffer for F1ResetAck \n");
+ for(int i=0; i< encBufSize; i++)
+ {
+ DU_LOG("%x",encBuf[i]);
+ }
+ }
+ /* Sending msg */
+ if(SendF1APMsg(CU_APP_MEM_REG, CU_POOL) != ROK)
+ {
+ DU_LOG("\nERROR --> F1AP : Sending F1 Reset Response failed");
+ break;
+ }
+
+ ret = ROK;
+ break;
+ }while(true);
+
+ FreeF1ResetAck(f1apMsg);
+ return ret;
+}
+void FreeUlTnlInfoforDrb2(ULUPTNLInformation_ToBeSetup_List_t *ulInfo)
+{
+ uint8_t arrIdx =0;
+
+ if(ulInfo->list.array)
+ {
+ for(arrIdx=0; arrIdx<ulInfo->list.count ; arrIdx++)
+ {
+ if(ulInfo->list.array[arrIdx])
+ {
+ if(ulInfo->list.array[arrIdx]->uLUPTNLInformation.choice.gTPTunnel )
+ {
+ if(ulInfo->list.array[arrIdx]->uLUPTNLInformation.choice.gTPTunnel->transportLayerAddress.buf)
+ {
+ if(ulInfo->list.array[arrIdx]->uLUPTNLInformation.choice.gTPTunnel->gTP_TEID.buf)
+ {
+ CU_FREE(ulInfo->list.array[arrIdx]->uLUPTNLInformation.choice.gTPTunnel->\
+ gTP_TEID.buf,ulInfo->list.array[arrIdx]->uLUPTNLInformation.choice.\
+ gTPTunnel->gTP_TEID.size);
+ }
+ CU_FREE(ulInfo->list.array[arrIdx]->uLUPTNLInformation.choice.gTPTunnel->\
+ transportLayerAddress.buf,ulInfo->list.array[arrIdx]->\
+ uLUPTNLInformation.choice.gTPTunnel->transportLayerAddress.size);
+ }
+ CU_FREE(ulInfo->list.array[arrIdx]->uLUPTNLInformation.choice.gTPTunnel,\
+ sizeof(GTPTunnel_t));
+ }
+ CU_FREE(ulInfo->list.array[arrIdx],sizeof(ULUPTNLInformation_ToBeSetup_Item_t));
+ }
+ }
+ CU_FREE(ulInfo->list.array,ulInfo->list.size);
+ }
+}
+
+/*******************************************************************
+*
+* @brief Deletes the EGTP tunnel
+*
+* @details
+*
+* Function : deleteEgtpTunnel
+*
+* Functionality: Deletes the EGTP tunnel
+*
+* @params[in] uint8_t *buf
+*
+* @return ROK - success
+* RFAILED - failure
+*
+* ****************************************************************/
+uint8_t deleteEgtpTunnel(uint8_t *buf)
+{
+ uint32_t teId = 0;
+ EgtpTnlEvt tnlEvt;
+
+ teIdStringToInt(buf, &teId);
+ if(teId > MAX_TEID || teId < MIN_TEID)
+ {
+ DU_LOG("\nERROR --> EGTP : TEID(%d) OUT Of Range", teId);
+ return RFAILED;
+ }
+ memset(&tnlEvt, 0, sizeof(EgtpTnlEvt));
+ tnlEvt.action = EGTP_TNL_MGMT_DEL;
+ tnlEvt.lclTeid = teId;
+ tnlEvt.remTeid = teId;
+ if((cuEgtpTnlMgmtReq(tnlEvt)) != ROK)
+ {
+ DU_LOG("\nERROR --> EGTP : Failed to delete tunnel Id %d", teId);
+ }
+ return ROK;
+}
+
+/*******************************************************************
+*
+* @brief Builds the Uplink Tunnel Info
+*
+* @details
+*
+* Function : BuildUlTnlInfoforSetupMod
+*
+* Functionality: Constructs the UL TnlInfo For DRB list
+*
+* @params[in] ULUPTNLInformation_ToBeSetup_List_t *ulInfo
+*
+* @return ROK - success
+* RFAILED - failure
+*
+* ****************************************************************/
+uint8_t BuildUlTnlInfoforSetupMod(uint8_t ueId, ULUPTNLInformation_ToBeSetup_List_t *ulInfo, uint8_t actionType)
+{
+ uint8_t arrIdx;
+ uint8_t ulCnt;
+
+ ulCnt = 1;
+ ulInfo->list.count = ulCnt;
+ ulInfo->list.size = ulCnt * sizeof(ULUPTNLInformation_ToBeSetup_Item_t *);
+ CU_ALLOC(ulInfo->list.array,ulInfo->list.size);
+ if(ulInfo->list.array == NULLP)
+ {
+ DU_LOG("\nERROR --> F1AP : Memory allocation failed in BuildUlTnlInfoforSetupMod");
+ return RFAILED;
+ }
+ for(arrIdx=0; arrIdx<ulCnt; arrIdx++)
+ {
+ CU_ALLOC(ulInfo->list.array[arrIdx],sizeof(ULUPTNLInformation_ToBeSetup_Item_t));
+ if(ulInfo->list.array[arrIdx] == NULLP)
+ {
+ DU_LOG("\nERROR --> F1AP : Memory allocation failed in BuildUlTnlInfoforSetupMod");
+ return RFAILED;
+ }
+ }
+
+ arrIdx = 0;
+ ulInfo->list.array[arrIdx]->uLUPTNLInformation.present = \
+ UPTransportLayerInformation_PR_gTPTunnel;
+
+ /*GTP TUNNEL*/
+ CU_ALLOC(ulInfo->list.array[arrIdx]->uLUPTNLInformation.choice.gTPTunnel,\
+ sizeof(GTPTunnel_t));
+ if(ulInfo->list.array[arrIdx]->uLUPTNLInformation.choice.gTPTunnel == NULLP)
+ {
+ DU_LOG("\nERROR --> F1AP : Memory allocation failed in BuildUlTnlInfoforSetupMod");
+ return RFAILED;
+ }
+ ulInfo->list.array[arrIdx]->uLUPTNLInformation.choice.gTPTunnel->\
+ transportLayerAddress.size = 4*sizeof(uint8_t);
+ CU_ALLOC(ulInfo->list.array[arrIdx]->uLUPTNLInformation.choice.gTPTunnel->\
+ transportLayerAddress.buf,ulInfo->list.array[arrIdx]->\
+ uLUPTNLInformation.choice.gTPTunnel->transportLayerAddress.size);
+ if(ulInfo->list.array[arrIdx]->uLUPTNLInformation.choice.gTPTunnel->\
+ transportLayerAddress.buf == NULLP)
+ {
+ DU_LOG("\nERROR --> F1AP : Memory allocation failed in BuildUlTnlInfoforSetupMod");
+ return RFAILED;
+ }
+
+ ulInfo->list.array[arrIdx]->uLUPTNLInformation.choice.gTPTunnel->\
+ transportLayerAddress.buf[0] = 192;
+ ulInfo->list.array[arrIdx]->uLUPTNLInformation.choice.gTPTunnel->\
+ transportLayerAddress.buf[1] = 168;
+ ulInfo->list.array[arrIdx]->uLUPTNLInformation.choice.gTPTunnel->\
+ transportLayerAddress.buf[2] = 130;
+ ulInfo->list.array[arrIdx]->uLUPTNLInformation.choice.gTPTunnel->\
+ transportLayerAddress.buf[3] = 82;
+ ulInfo->list.array[arrIdx]->uLUPTNLInformation.choice.gTPTunnel->\
+ transportLayerAddress.bits_unused = 0;
+
+ /*GTP TEID*/
+ ulInfo->list.array[arrIdx]->uLUPTNLInformation.choice.gTPTunnel->gTP_TEID.size\
+ = 4 * sizeof(uint8_t);
+ CU_ALLOC(ulInfo->list.array[arrIdx]->uLUPTNLInformation.choice.gTPTunnel->\
+ gTP_TEID.buf,ulInfo->list.array[arrIdx]->uLUPTNLInformation.choice.\
+ gTPTunnel->gTP_TEID.size);
+ if(ulInfo->list.array[arrIdx]->uLUPTNLInformation.choice.gTPTunnel->gTP_TEID.buf\
+ == NULLP)
+ {
+ DU_LOG("\nERROR --> F1AP : Memory allocation failed in BuildUlTnlInfoforSetupMod");
+ return RFAILED;
+ }
+ ulInfo->list.array[arrIdx]->uLUPTNLInformation.choice.gTPTunnel->\
+ gTP_TEID.buf[0] = 0;
+ ulInfo->list.array[arrIdx]->uLUPTNLInformation.choice.gTPTunnel->\
+ gTP_TEID.buf[1] = 0;
+ ulInfo->list.array[arrIdx]->uLUPTNLInformation.choice.gTPTunnel->\
+ gTP_TEID.buf[2] = 0;
+ if(actionType == ProtocolIE_ID_id_DRBs_ToBeModified_Item)
+ {
+ /*TODO: DRB context to be stored in CU STUB so that tunnel Id can be easily
+ * fetched based on the Drb Id */
+ if(ueId == 1)
+ {
+ /* Tunnel Id for DRB 2 of UE 1 is 2. Hence passing the same TeId */
+ ulInfo->list.array[arrIdx]->uLUPTNLInformation.choice.gTPTunnel->gTP_TEID.buf[3] = 2;
+ }
+ else if(ueId == 2)
+ {
+ /* Tunnel Id for DRB 2 of UE 2 is 5. Hence passing the same TeId */
+ ulInfo->list.array[arrIdx]->uLUPTNLInformation.choice.gTPTunnel->gTP_TEID.buf[3] = 5;
+ }
+ else if(ueId == 3)
+ {
+ /* Tunnel Id for DRB 2 of UE 3 is 8. Hence passing the same TeId */
+ ulInfo->list.array[arrIdx]->uLUPTNLInformation.choice.gTPTunnel->gTP_TEID.buf[3] = 8;
+ }
+
+ }
+ else
+ {
+ ulInfo->list.array[arrIdx]->uLUPTNLInformation.choice.gTPTunnel->\
+ gTP_TEID.buf[3] = cuCfgParams.egtpParams.currTunnelId++;
+ }
+ return ROK;
+}/*End of BuildULTnlInfo*/
+
+/*******************************************************************
+*
+* @brief freeing the DRB item
+*
+* @details
+*
+* Function : FreeDrbItem
+*
+* Functionality: freeing the DRB item
+*
+* @params[in] DRBs_ToBeSetupMod_Item_t *drbItem
+*
+* @return ROK - success
+* RFAILED - failure
+*
+* ****************************************************************/
+
+void FreeDrbItem(DRBs_ToBeSetupMod_Item_t *drbItem)
+{
+ uint8_t arrIdx =0;
+ SNSSAI_t *snssai =NULLP;
+ Flows_Mapped_To_DRB_List_t *flowMap = NULLP;
+
+ drbItem->qoSInformation.present = QoSInformation_PR_choice_extension;
+ switch(drbItem->qoSInformation.present)
+ {
+ case QoSInformation_PR_NOTHING:
+ break;
+ case QoSInformation_PR_eUTRANQoS:
+ {
+ if(drbItem->qoSInformation.choice.eUTRANQoS)
+ {
+ CU_FREE(drbItem->qoSInformation.choice.eUTRANQoS, sizeof(EUTRANQoS_t));
+ }
+ break;
+ }
+ case QoSInformation_PR_choice_extension:
+ {
+ if(drbItem->qoSInformation.choice.choice_extension)
+ {
+ FreeQOSInfo(&drbItem->qoSInformation.choice.choice_extension->value.choice.DRB_Information.dRB_QoS);
+
+ snssai = &drbItem->qoSInformation.choice.choice_extension->value.choice.DRB_Information.sNSSAI;
+ if(snssai->sST.buf)
+ {
+ CU_FREE(snssai->sST.buf,snssai->sST.size);
+ }
+ if(snssai->sD)
+ {
+ if(snssai->sD->buf)
+ {
+ CU_FREE(snssai->sD->buf,snssai->sD->size);
+ }
+ CU_FREE(snssai->sD,sizeof(OCTET_STRING_t));
+ }
+
+ flowMap = &drbItem->qoSInformation.choice.choice_extension->value.choice.DRB_Information.flows_Mapped_To_DRB_List;
+ if(flowMap->list.array)
+ {
+ for(arrIdx=0; arrIdx<flowMap->list.count; arrIdx++)
+ {
+ if(flowMap->list.array[arrIdx] )
+ {
+ FreeQOSInfo(&flowMap->list.array[arrIdx]->qoSFlowLevelQoSParameters);
+ CU_FREE(flowMap->list.array[arrIdx],sizeof(Flows_Mapped_To_DRB_Item_t));
+ }
+ }
+ CU_FREE(flowMap->list.array,flowMap->list.size);
+ }
+
+ CU_FREE(drbItem->qoSInformation.choice.choice_extension,sizeof(QoSInformation_ExtIEs_t));
+ }
+ break;
+ }
+
+ }
+ FreeUlTnlInfoforDrb2(&drbItem->uLUPTNLInformation_ToBeSetup_List);
+ if(drbItem->uLConfiguration)
+ {
+ CU_FREE(drbItem->uLConfiguration,sizeof(ULConfiguration_t));
+ }
+}
+
+/*******************************************************************
+*
+* @brief filling the DRB setup Mod item
+*
+* @details
+*
+* Function : FillDrbItemToSetupMod
+*
+* Functionality: filling the DRB setup Mod item
+*
+*
+* @params[in] DRBs_ToBeSetupMod_Item_t *drbItem
+*
+* @return ROK - success
+* RFAILED - failure
+*
+* ****************************************************************/
+
+uint8_t FillDrbItemToSetupMod(uint8_t ueId, uint8_t arrIdx, DRBs_ToBeSetupMod_Item_t *drbItem)
+{
+ uint8_t ret = ROK;
+
+ /*Drb Id */
+ drbItem->dRBID = arrIdx + DRB3;
+
+ /*qoSInformation*/
+ drbItem->qoSInformation.present = QoSInformation_PR_choice_extension;
+
+ switch(drbItem->qoSInformation.present)
+ {
+ case QoSInformation_PR_NOTHING:
+ {
+ break;
+ }
+ case QoSInformation_PR_eUTRANQoS:
+ {
+
+ CU_ALLOC(drbItem->qoSInformation.choice.eUTRANQoS, sizeof(EUTRANQoS_t));
+ if(drbItem->qoSInformation.choice.eUTRANQoS)
+ {
+ DU_LOG("\nERROR --> F1AP : Memory allocation failed in FillDrbItemToSetupMod");
+ return RFAILED;
+ }
+ drbItem->qoSInformation.choice.eUTRANQoS->qCI = QCI;
+ drbItem->qoSInformation.choice.eUTRANQoS->allocationAndRetentionPriority.priorityLevel =
+ PriorityLevel_no_priority;
+
+ drbItem->qoSInformation.choice.eUTRANQoS->allocationAndRetentionPriority.pre_emptionCapability =
+ Pre_emptionCapability_may_trigger_pre_emption;
+
+ drbItem->qoSInformation.choice.eUTRANQoS->allocationAndRetentionPriority.pre_emptionVulnerability =
+ Pre_emptionVulnerability_pre_emptable;
+
+ break;
+ }
+ case QoSInformation_PR_choice_extension:
+ {
+ CU_ALLOC(drbItem->qoSInformation.choice.choice_extension,sizeof(QoSInformation_ExtIEs_t));
+ if(drbItem->qoSInformation.choice.choice_extension == NULLP)
+ {
+ DU_LOG("\nERROR --> F1AP : Memory allocation failed in FillDrbItemToSetupMod");
+ return RFAILED;
+ }
+
+ drbItem->qoSInformation.choice.choice_extension->id = ProtocolIE_ID_id_DRB_Information;
+ drbItem->qoSInformation.choice.choice_extension->criticality = Criticality_ignore;
+ drbItem->qoSInformation.choice.choice_extension->value.present = QoSInformation_ExtIEs__value_PR_DRB_Information;
+ ret = BuildQOSInfo(&drbItem->qoSInformation.choice.choice_extension->value.choice.DRB_Information.dRB_QoS,\
+ ProtocolIE_ID_id_DRBs_ToBeSetupMod_Item, PDU_SESSION_ID_2);
+ if(ret != ROK)
+ {
+ DU_LOG("\nERROR --> F1AP : BuildQOSInfo failed");
+ return RFAILED;
+ }
+
+ /*SNSSAI*/
+ ret = BuildSNSSAI(&drbItem->qoSInformation.choice.\
+ choice_extension->value.choice.DRB_Information.sNSSAI, cuCfgParams.snssaiList[1]);
+ if(ret != ROK)
+ {
+ DU_LOG("\nERROR --> F1AP : BuildSNSSAI failed");
+ return RFAILED;
+ }
+
+ /*Flows mapped to DRB List*/
+ ret = BuildFlowsMap(&drbItem->qoSInformation.choice.\
+ choice_extension->value.choice.DRB_Information.flows_Mapped_To_DRB_List,\
+ ProtocolIE_ID_id_DRBs_ToBeSetupMod_Item);
+ if(ret != ROK)
+ {
+ DU_LOG("\nERROR --> F1AP : BuildFlowsMap failed");
+ return RFAILED;
+ }
+ }
+ }
+
+ /*ULUPTNLInformation To Be Setup List*/
+ ret = BuildUlTnlInfoforSetupMod(ueId, &drbItem->uLUPTNLInformation_ToBeSetup_List, \
+ ProtocolIE_ID_id_DRBs_ToBeSetupMod_Item);
+ if(ret != ROK)
+ {
+ DU_LOG("\nERROR --> F1AP : BuildUlTnlInfoforSetupMod failed");
+ return RFAILED;
+ }
+
+ /*RLCMode*/
+ drbItem->rLCMode = RLCMode_rlc_um_bidirectional;
+ return ROK;
+}
+
+/*******************************************************************
+*
+* @brief Builds the DRB to be Setup Mod ItemIes
+*
+* @details
+*
+* Function : FillDrbItemList
+*
+* Functionality: Constructs the DRB to be Setup Mod Item Ies
+*
+* @params[in] struct DRBs_ToBeSetupMod_ItemIEs *drbItemIe
+*
+* @return ROK - success
+* RFAILED - failure
+*
+* ****************************************************************/
+
+uint8_t FillDrbItemList(uint8_t ueId, uint8_t arrIdx, struct DRBs_ToBeSetupMod_ItemIEs *drbItemIe)
+{
+ drbItemIe->id = ProtocolIE_ID_id_DRBs_ToBeSetupMod_Item;
+ drbItemIe->criticality = Criticality_reject;
+ drbItemIe->value.present = DRBs_ToBeSetupMod_ItemIEs__value_PR_DRBs_ToBeSetupMod_Item;
+
+ if(FillDrbItemToSetupMod(ueId, arrIdx, (&(drbItemIe->value.choice.DRBs_ToBeSetupMod_Item))) != ROK)
+ {
+ DU_LOG("\nERROR --> F1AP : FillDrbItemToSetupMod failed");
+ return RFAILED;
+ }
+ return ROK;
+}
+/*******************************************************************
+*
+* @brief free the DRB to be Setup Mod list
+*
+* @details
+*
+* Function : FreeDrbToBeSetupModList
+*
+* Functionality: free the DRB to be Setup Mod list
+*
+* @params[in] DRBs_ToBeSetupMod_List_t *drbSet
+*
+* @return ROK - success
+* RFAILED - failure
+*
+* ****************************************************************/
+void FreeDrbToBeSetupModList(DRBs_ToBeSetupMod_List_t *drbSet)
+{
+ uint8_t arrIdx =0;
+ struct DRBs_ToBeSetupMod_ItemIEs *drbItemIe;
+
+ if(drbSet->list.array)
+ {
+ for(arrIdx=0; arrIdx<drbSet->list.count ; arrIdx++)
+ {
+ if(drbSet->list.array[arrIdx] != NULLP)
+ {
+ if(arrIdx == 0)
+ {
+ drbItemIe = (DRBs_ToBeSetupMod_ItemIEs_t *)drbSet->list.array[arrIdx];
+ FreeDrbItem(&(drbItemIe->value.choice.DRBs_ToBeSetupMod_Item));
+ }
+ CU_FREE(drbSet->list.array[arrIdx], sizeof(DRBs_ToBeSetupMod_ItemIEs_t));
+ }
+ }
+ CU_FREE(drbSet->list.array, drbSet->list.size);
+ }
+
+}
+
+/*******************************************************************
+*
+* @brief Builds the DRB to be Setup Mod list
+*
+* @details
+*
+* Function : BuildDrbToBeSetupList
+*
+* Functionality: Constructs the DRB to be Setup Mod list
+*
+* @params[in] DRBs_ToBeSetupMod_List_t *drbSet
+*
+* @return ROK - success
+* RFAILED - failure
+*
+* ****************************************************************/
+
+uint8_t BuildDrbToBeSetupList(uint8_t ueId, DRBs_ToBeSetupMod_List_t *drbSet)
+{
+ uint8_t ret = ROK;
+ uint8_t arrIdx =0;
+ uint8_t drbCnt =0;
+
+ drbCnt = MAX_DRB_SET_UE_CONTEXT_MOD_REQ;
+ drbSet->list.count = drbCnt;
+ drbSet->list.size = drbCnt * sizeof(DRBs_ToBeSetupMod_ItemIEs_t *);
+ CU_ALLOC(drbSet->list.array, drbSet->list.size);
+ if(drbSet->list.array == NULLP)
+ {
+ DU_LOG("\nERROR --> F1AP : Memory allocation failed in BuildDrbToBeSetupList");
+ return RFAILED;
+ }
+
+ for(arrIdx=0; arrIdx<drbCnt; arrIdx++)
+ {
+ CU_ALLOC(drbSet->list.array[arrIdx], sizeof(DRBs_ToBeSetupMod_ItemIEs_t));
+ if(drbSet->list.array[arrIdx] == NULLP)
+ {
+ DU_LOG("\nERROR --> F1AP : Memory allocation failed in BuildDrbToBeSetupList for array idx [%d]", arrIdx);
+ return RFAILED;
+ }
+ }
+
+ arrIdx = 0;
+ ret = FillDrbItemList(ueId, arrIdx, (DRBs_ToBeSetupMod_ItemIEs_t *)drbSet->list.array[arrIdx]);
+ if(ret != ROK)
+ {
+ DU_LOG("\nERROR --> F1AP : FillDrbItemList failed");
+ }
+
+ return ret;
+}
+
+/*******************************************************************
+*
+* @brief Filling the DRB to be modified item
+*
+* @details
+*
+* Function : FillDrbToBeModItem
+*
+* Functionality: filling the DRB to be modified item
+*
+* @params[in] DRBs_ToBeModified_Item_t *drbItem
+*
+* @return ROK - success
+* RFAILED - failure
+*
+* ****************************************************************/
+
+uint8_t FillDrbToBeModItem(uint8_t ueId, DRBs_ToBeModified_Item_t *drbItem)
+{
+ uint8_t ret = ROK;
+
+ /*Drb Id */
+ drbItem->dRBID = DRB2;
+
+ /*qoSInformation*/
+ drbItem->qoSInformation = NULLP;
+ CU_ALLOC(drbItem->qoSInformation, sizeof(QoSInformation_t));
+ if(drbItem->qoSInformation != NULLP)
+ {
+ drbItem->qoSInformation->present = QoSInformation_PR_choice_extension;
+
+ switch(drbItem->qoSInformation->present)
+ {
+ case QoSInformation_PR_NOTHING:
+ {
+ break;
+ }
+ case QoSInformation_PR_eUTRANQoS:
+ {
+
+ CU_ALLOC(drbItem->qoSInformation->choice.eUTRANQoS, sizeof(EUTRANQoS_t));
+ if(drbItem->qoSInformation->choice.eUTRANQoS)
+ {
+ DU_LOG("\nERROR --> F1AP : Memory allocation failed in FillDrbToBeModItem");
+ return RFAILED;
+ }
+ drbItem->qoSInformation->choice.eUTRANQoS->qCI = QCI;
+ drbItem->qoSInformation->choice.eUTRANQoS->allocationAndRetentionPriority.priorityLevel =
+ PriorityLevel_no_priority;
+
+ drbItem->qoSInformation->choice.eUTRANQoS->allocationAndRetentionPriority.pre_emptionCapability =
+ Pre_emptionCapability_may_trigger_pre_emption;
+
+ drbItem->qoSInformation->choice.eUTRANQoS->allocationAndRetentionPriority.pre_emptionVulnerability =
+ Pre_emptionVulnerability_pre_emptable;
+
+ break;
+ }
+ case QoSInformation_PR_choice_extension:
+ {
+ CU_ALLOC(drbItem->qoSInformation->choice.choice_extension,sizeof(QoSInformation_ExtIEs_t));
+ if(drbItem->qoSInformation->choice.choice_extension == NULLP)
+ {
+ DU_LOG("\nERROR --> F1AP : Memory allocation failed in FillDrbItemToSetupMod");
+ return RFAILED;
+ }
+
+ drbItem->qoSInformation->choice.choice_extension->id = ProtocolIE_ID_id_DRB_Information;
+ drbItem->qoSInformation->choice.choice_extension->criticality = Criticality_ignore;
+ drbItem->qoSInformation->choice.choice_extension->value.present = QoSInformation_ExtIEs__value_PR_DRB_Information;
+ ret = BuildQOSInfo(&drbItem->qoSInformation->choice.choice_extension->value.choice.DRB_Information.dRB_QoS,\
+ ProtocolIE_ID_id_DRBs_ToBeModified_Item, INVALID_PDU_SESSION_ID);
+ if(ret != ROK)
+ {
+ DU_LOG("\nERROR --> F1AP : BuildQOSInfo failed");
+ return RFAILED;
+ }
+
+ /*SNSSAI*/
+ ret = BuildSNSSAI(&drbItem->qoSInformation->choice.\
+ choice_extension->value.choice.DRB_Information.sNSSAI,cuCfgParams.snssaiList[0]);
+ if(ret != ROK)
+ {
+ DU_LOG("\nERROR --> F1AP : BuildSNSSAI failed");
+ return RFAILED;
+ }
+
+ /*Flows mapped to DRB List*/
+ ret = BuildFlowsMap(&drbItem->qoSInformation->choice.\
+ choice_extension->value.choice.DRB_Information.flows_Mapped_To_DRB_List,\
+ ProtocolIE_ID_id_DRBs_ToBeModified_Item);
+ if(ret != ROK)
+ {
+ DU_LOG("\nERROR --> F1AP : BuildFlowsMap failed");
+ return RFAILED;
+ }
+ }
+ }
+ }/* End of QoS */
+
+ /*ULUPTNLInformation To Be Setup List*/
+ ret = BuildUlTnlInfoforSetupMod(ueId, &drbItem->uLUPTNLInformation_ToBeSetup_List,\
+ ProtocolIE_ID_id_DRBs_ToBeModified_Item);
+ if(ret != ROK)
+ {
+ DU_LOG("\nERROR --> F1AP : BuildUlTnlInfoforSetupMod failed");
+ return RFAILED;
+ }
+ return ROK;
+}
+
+/*******************************************************************
+*
+* @brief Builds the DRB to be modified Item IE
+*
+* @details
+*
+* Function : FillDrbToBeModItemList
+*
+* Functionality: Constructs the DRB to be modified Mod Item Ies
+*
+* @params[in] struct DRBs_ToBeModified_ItemIEs *drbItemIe
+*
+* @return ROK - success
+* RFAILED - failure
+*
+* ****************************************************************/
+
+uint8_t FillDrbToBeModItemList(uint8_t ueId, struct DRBs_ToBeModified_ItemIEs *drbItemIe)
+{
+ drbItemIe->id = ProtocolIE_ID_id_DRBs_ToBeModified_Item;
+ drbItemIe->criticality = Criticality_reject;
+ drbItemIe->value.present = DRBs_ToBeModified_ItemIEs__value_PR_DRBs_ToBeModified_Item;
+ if(FillDrbToBeModItem(ueId, &(drbItemIe->value.choice.DRBs_ToBeModified_Item)) != ROK)
+ {
+ DU_LOG("\nERROR --> F1AP : FillDrbToBeModItem failed");
+ return RFAILED;
+ }
+
+ return ROK;
+}
+
+/*******************************************************************
+*
+* @brief Builds the DRB to be modified list
+*
+* @details
+*
+* Function : BuildDrbToBeModList
+*
+* Functionality: Constructs the DRB to be modified list
+*
+* @params[in] DRBs_ToBeModified_List_t *drbSet
+*
+* @return ROK - success
+* RFAILED - failure
+*
+* ****************************************************************/
+
+uint8_t BuildDrbToBeModifiedList(uint8_t ueId, DRBs_ToBeModified_List_t *drbSet)
+{
+ uint8_t ret = ROK;
+ uint8_t arrIdx =0;
+ uint8_t drbCnt =0;
+
+ drbCnt = 1;
+ drbSet->list.count = drbCnt;
+ drbSet->list.size = drbCnt * sizeof(DRBs_ToBeModified_ItemIEs_t *);
+ CU_ALLOC(drbSet->list.array, drbSet->list.size);
+ if(drbSet->list.array == NULLP)
+ {
+ DU_LOG("\nERROR --> F1AP : Memory allocation failed in BuildDrbToBeModifiedList");
+ return RFAILED;
+ }
+ for(arrIdx=0; arrIdx<drbCnt; arrIdx++)
+ {
+ CU_ALLOC(drbSet->list.array[arrIdx], sizeof(DRBs_ToBeModified_ItemIEs_t));
+ if(drbSet->list.array[arrIdx] == NULLP)
+ {
+ DU_LOG("\nERROR --> F1AP : Memory allocation failed in BuildDrbToBeSetupList");
+ return RFAILED;
+ }
+ }
+
+ arrIdx=0;
+ ret = FillDrbToBeModItemList(ueId, (DRBs_ToBeModified_ItemIEs_t *)drbSet->list.array[arrIdx]);
+ if(ret != ROK)
+ {
+ DU_LOG("\nERROR --> F1AP : FillDrbToBeModItemList failed");
+ }
+
+ return ret;
+}
+
+/*******************************************************************
+*
+* @brief freeing the DRB item
+*
+* @details
+*
+* Function : FreeModifiedDrbItem
+*
+* Functionality: freeing the DRB 2 item
+*
+* @params[in] DRBs_ToBeSetupMod_Item_t *drbItem
+*
+* @return ROK - success
+* RFAILED - failure
+*
+* ****************************************************************/
+
+void FreeModifiedDrbItem(DRBs_ToBeModified_Item_t *drbItem)
+{
+ uint8_t arrIdx =0;
+ SNSSAI_t *snssai =NULLP;
+ Flows_Mapped_To_DRB_List_t *flowMap = NULLP;
+
+ if(drbItem->qoSInformation != NULLP)
+ {
+ switch(drbItem->qoSInformation->present)
+ {
+ case QoSInformation_PR_NOTHING:
+ break;
+ case QoSInformation_PR_eUTRANQoS:
+ {
+ if(drbItem->qoSInformation->choice.eUTRANQoS)
+ {
+ CU_FREE(drbItem->qoSInformation->choice.eUTRANQoS, sizeof(EUTRANQoS_t));
+ }
+ break;
+ }
+ case QoSInformation_PR_choice_extension:
+ {
+ if(drbItem->qoSInformation->choice.choice_extension)
+ {
+ FreeQOSInfo(&drbItem->qoSInformation->choice.choice_extension->value.choice.DRB_Information.dRB_QoS);
+
+ snssai = &drbItem->qoSInformation->choice.choice_extension->value.choice.DRB_Information.sNSSAI;
+ if(snssai->sST.buf)
+ {
+ CU_FREE(snssai->sST.buf,snssai->sST.size);
+ }
+ if(snssai->sD)
+ {
+ if(snssai->sD->buf)
+ {
+ CU_FREE(snssai->sD->buf,snssai->sD->size);
+ }
+ CU_FREE(snssai->sD,sizeof(OCTET_STRING_t));
+ }
+
+ flowMap = &drbItem->qoSInformation->choice.choice_extension->value.choice.DRB_Information.flows_Mapped_To_DRB_List;
+ if(flowMap->list.array)
+ {
+ for(arrIdx=0; arrIdx<flowMap->list.count; arrIdx++)
+ {
+ if(flowMap->list.array[arrIdx] )
+ {
+ FreeQOSInfo(&flowMap->list.array[arrIdx]->qoSFlowLevelQoSParameters);
+ CU_FREE(flowMap->list.array[arrIdx],sizeof(Flows_Mapped_To_DRB_Item_t));
+ }
+ }
+ CU_FREE(flowMap->list.array,flowMap->list.size);
+ }
+
+ CU_FREE(drbItem->qoSInformation->choice.choice_extension,sizeof(QoSInformation_ExtIEs_t));
+ }
+ break;
+ }
+ }
+ }
+ FreeUlTnlInfoforDrb2(&drbItem->uLUPTNLInformation_ToBeSetup_List);
+ if(drbItem->uLConfiguration)
+ {
+ CU_FREE(drbItem->uLConfiguration,sizeof(ULConfiguration_t));
+ }
+}
+
+/*******************************************************************
+*
+* @brief free the DRB to be modfified list
+*
+* @details
+*
+* Function : FreeDrbToBeModifiedList
+*
+* Functionality: free the DRB to be Setup Mod list
+*
+* @params[in] FreeDrbToBeModifiedList_t *drbSet
+*
+* @return ROK - success
+* RFAILED - failure
+*
+* ****************************************************************/
+void FreeDrbToBeModifiedList(DRBs_ToBeModified_List_t *drbSet)
+{
+ uint8_t arrIdx =0;
+ struct DRBs_ToBeModified_ItemIEs *drbItemIe;
+
+ if(drbSet->list.array)
+ {
+ for(arrIdx=0; arrIdx<drbSet->list.count ; arrIdx++)
+ {
+ if(drbSet->list.array[arrIdx] != NULLP)
+ {
+ drbItemIe = (struct DRBs_ToBeModified_ItemIEs *)drbSet->list.array[arrIdx];
+ FreeModifiedDrbItem(&(drbItemIe->value.choice.DRBs_ToBeModified_Item));
+ CU_FREE(drbSet->list.array[arrIdx], sizeof(DRBs_ToBeModified_ItemIEs_t));
+ }
+ }
+ CU_FREE(drbSet->list.array, drbSet->list.size);
+ }
+
+}
+
+/*******************************************************************
+ *
+ * @brief free the UeContextModification Request
+ *
+ * @details
+ *
+ * Function : FreeUeContextModicationRequest
+ *
+ * Functionality : deallocation of memory allocated in UeContextModiification
+ request
+ *
+ * @params[in] F1AP_PDU_t *f1apMsg
+ *
+ * @return void
+*
+* ****************************************************************/
+void FreeUeContextModicationRequest(F1AP_PDU_t *f1apMsg)
+{
+ uint8_t arrIdx =0 , ieId=0;
+ UEContextModificationRequest_t *UeContextModifyReq = NULLP;
+
+ if(f1apMsg)
+ {
+ if(f1apMsg->choice.initiatingMessage)
+ {
+ UeContextModifyReq =&f1apMsg->choice.initiatingMessage->value.choice.UEContextModificationRequest;
+ if(UeContextModifyReq->protocolIEs.list.array)
+ {
+ for( arrIdx = 0 ; arrIdx<UeContextModifyReq->protocolIEs.list.count ; arrIdx++)
+ {
+ if(UeContextModifyReq->protocolIEs.list.array[arrIdx])
+ {
+ ieId = UeContextModifyReq->protocolIEs.list.array[arrIdx]->id;
+ switch(ieId)
+ {
+ case ProtocolIE_ID_id_gNB_CU_UE_F1AP_ID:
+ break;
+ case ProtocolIE_ID_id_gNB_DU_UE_F1AP_ID:
+ break;
+ case ProtocolIE_ID_id_DRBs_ToBeSetupMod_List:
+ {
+ FreeDrbToBeSetupModList(&UeContextModifyReq->protocolIEs.list.array[arrIdx]->value.\
+ choice.DRBs_ToBeSetupMod_List);
+ break;
+ }
+ case ProtocolIE_ID_id_DRBs_ToBeModified_List:
+ {
+ FreeDrbToBeModifiedList(&UeContextModifyReq->protocolIEs.list.array[arrIdx]->value.\
+ choice.DRBs_ToBeSetupMod_List);
+ break;
+ }
+
+ }
+ CU_FREE(UeContextModifyReq->protocolIEs.list.array[arrIdx], sizeof(UEContextModificationRequest_t));
+ }
+ }
+ CU_FREE(UeContextModifyReq->protocolIEs.list.array, UeContextModifyReq->protocolIEs.list.size);
+ }
+ CU_FREE(f1apMsg->choice.initiatingMessage, sizeof(InitiatingMessage_t));
+ }
+ CU_FREE(f1apMsg, sizeof(F1AP_PDU_t));
+ }
+}
+/*******************************************************************
+ *
+ * @brief Builds the Ue Context Modification Req
+ *
+ * @details
+ *
+ * Function : BuildAndSendUeContextModificationReq
+ *
+ * Functionality: Constructs the Ue Context Modification Req
+ *
+ * @params[in]
+ *
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+uint8_t BuildAndSendUeContextModificationReq(uint8_t ueId)
+{
+ uint8_t ieIdx = 0;
+ uint8_t elementCnt = 0;
+ uint8_t ret = RFAILED;
+ F1AP_PDU_t *f1apMsg = NULLP;
+ UEContextModificationRequest_t *ueContextModifyReq = NULLP;
+
+ asn_enc_rval_t encRetVal;
+ DU_LOG("\nINFO --> F1AP : Building Ue context modification request\n");
+
+ while(1)
+ {
+ CU_ALLOC(f1apMsg, sizeof(F1AP_PDU_t));
+ if(f1apMsg == NULLP)
+ {
+ DU_LOG("\nERROR --> F1AP : Memory allocation for F1AP-PDU failed Ue context modification");
+ break;
+ }
+
+ f1apMsg->present = F1AP_PDU_PR_initiatingMessage;
+
+ CU_ALLOC(f1apMsg->choice.initiatingMessage, sizeof(InitiatingMessage_t));
+ if(f1apMsg->choice.initiatingMessage == NULLP)
+ {
+ DU_LOG("\nERROR --> F1AP : Memory allocation for F1AP-PDU failed Ue context modification");