X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?a=blobdiff_plain;f=src%2Fdu_app%2Fdu_f1ap_msg_hdl.c;h=49753040bc6b1c18e43d0f340d57f16012175479;hb=c477bb2f645c5ece7da9155197663af745bd3791;hp=a6205a53b011876c2ec91342347e80975fbacae4;hpb=7ebfb1f80967fe83bf169c2915cedf2c9fb5cbf7;p=o-du%2Fl2.git diff --git a/src/du_app/du_f1ap_msg_hdl.c b/src/du_app/du_f1ap_msg_hdl.c index a6205a53b..49753040b 100644 --- a/src/du_app/du_f1ap_msg_hdl.c +++ b/src/du_app/du_f1ap_msg_hdl.c @@ -110,7 +110,6 @@ extern StartupConfig g_cfg; #endif DuCfgParams duCfgParam; - /************************************************************************ * * @brief Converts enum values into actual value of Poll retransmit timer @@ -1203,7 +1202,7 @@ uint8_t BuildRrcVer(RRC_Version_t *rrcVer) * * @details * - * Function : SendF1APMsg + * Function : sendF1APMsg * * Functionality: Sends F1 msg over SCTP * @@ -1213,11 +1212,11 @@ uint8_t BuildRrcVer(RRC_Version_t *rrcVer) * RFAILED - failure * * ****************************************************************/ -uint8_t SendF1APMsg(Region region, Pool pool) +uint8_t sendF1APMsg() { Buffer *mBuf = NULLP; - if(ODU_GET_MSG_BUF(region, pool, &mBuf) == ROK) + if(ODU_GET_MSG_BUF(DU_APP_MEM_REGION, DU_POOL, &mBuf) == ROK) { if(ODU_ADD_POST_MSG_MULT((Data *)encBuf, encBufSize, mBuf) == ROK) { @@ -1244,7 +1243,7 @@ uint8_t SendF1APMsg(Region region, Pool pool) return RFAILED; } return ROK; -} /* SendF1APMsg */ +} /* sendF1APMsg */ /******************************************************************* * @@ -1696,7 +1695,7 @@ uint8_t BuildAndSendF1SetupReq() } /* Sending msg */ - if(SendF1APMsg(DU_APP_MEM_REGION, DU_POOL) != ROK) + if(sendF1APMsg() != ROK) { DU_LOG("\nERROR --> F1AP : Sending F1 Setup request failed"); break; @@ -2499,7 +2498,7 @@ uint8_t BuildAndSendDUConfigUpdate() } } /* Sending msg */ - if(SendF1APMsg(DU_APP_MEM_REGION, DU_POOL) != ROK) + if(sendF1APMsg() != ROK) { DU_LOG("\nERROR --> F1AP : Sending GNB-DU Config Update failed"); break; @@ -2703,7 +2702,7 @@ uint8_t BuildAndSendULRRCMessageTransfer(DuUeCb ueCb, uint8_t lcId, \ } /* Sending msg */ - if(SendF1APMsg(DU_APP_MEM_REGION,DU_POOL) != ROK) + if(sendF1APMsg() != ROK) { DU_LOG("\nERROR --> F1AP : Sending UL RRC Message Transfer Failed"); break; @@ -5900,7 +5899,7 @@ uint8_t BuildAndSendInitialRrcMsgTransfer(uint32_t gnbDuUeF1apId, uint16_t crnti } } /* Sending msg */ - if(SendF1APMsg(DU_APP_MEM_REGION,DU_POOL) != ROK) + if(sendF1APMsg() != ROK) { DU_LOG("\nERROR --> F1AP : Sending Initial UL RRC Message Transfer Failed"); ret = RFAILED; @@ -9292,7 +9291,7 @@ uint8_t procUeReCfgCellInfo(MacUeCfg *macUeCfg, void *cellInfo) * ****************************************************************/ void duFillModulationDetails(MacUeCfg *ueCfg, MacUeCfg *oldUeCfg, void *ueCap) { - UE_NR_Capability_t *ueNrCap; + UE_NR_Capability_t *ueNrCap=NULLP; if(ueCap) ueNrCap = (UE_NR_Capability_t *)ueCap; @@ -10591,7 +10590,7 @@ uint8_t BuildAndSendUeContextSetupRsp(uint8_t ueIdx, uint8_t cellId) } /* Sending msg */ - if(SendF1APMsg(DU_APP_MEM_REGION,DU_POOL) != ROK) + if(sendF1APMsg() != ROK) { DU_LOG("\nERROR --> F1AP : Sending UE Context Setup Response failed"); ret = RFAILED; @@ -10793,7 +10792,7 @@ uint8_t BuildAndSendF1ResetReq() } } - if(SendF1APMsg(DU_APP_MEM_REGION, DU_POOL) != ROK) + if(sendF1APMsg() != ROK) { DU_LOG("\nERROR --> F1AP : Sending F1 Reset request failed"); break; @@ -10946,7 +10945,7 @@ uint8_t BuildAndSendF1ResetAck() } } /* Sending msg */ - if(SendF1APMsg(DU_APP_MEM_REGION, DU_POOL) != ROK) + if(sendF1APMsg() != ROK) { DU_LOG("\nERROR --> F1AP : Sending F1 Reset Acknowledgement failed"); break; @@ -11213,7 +11212,7 @@ uint8_t BuildAndSendRrcDeliveryReport(uint32_t gnbCuUeF1apId, \ } /* Sending msg */ - if(SendF1APMsg(DU_APP_MEM_REGION, DU_POOL) != ROK) + if(sendF1APMsg() != ROK) { DU_LOG("\nERROR --> F1AP : Sending RRC delivery msg request failed"); break; @@ -11941,7 +11940,7 @@ uint8_t BuildAndSendUeContextModResp(uint8_t ueIdx, uint8_t cellId) } /* Sending msg */ - if(SendF1APMsg(DU_APP_MEM_REGION,DU_POOL) != ROK) + if(sendF1APMsg() != ROK) { DU_LOG("\nERROR --> F1AP : Sending UE Context Setup Res Failed"); ret = RFAILED; @@ -11951,7 +11950,6 @@ uint8_t BuildAndSendUeContextModResp(uint8_t ueIdx, uint8_t cellId) } FreeUeContextModResp(f1apMsg); return ret; - } /******************************************************************* * @@ -12287,6 +12285,436 @@ uint8_t procF1UeContextModificationReq(F1AP_PDU_t *f1apMsg) return ret; } /*****************************************************************i +* +* @brief Free memory allocated for UE Context Release Request +* +* @details +* +* Function : FreeUeContextReleaseReq +* +* Functionality: +* - Free memory allocated for UE Context Release Request +* +* @params[in] F1AP_PDU_t *f1apMsg +* @return void +* +* *************************************************************/ +void FreeUeContextReleaseReq(F1AP_PDU_t *f1apMsg) +{ + uint8_t ieIdx; + UEContextReleaseRequest_t *ueReleaseReq = NULLP; + + if(f1apMsg) + { + if(f1apMsg->choice.initiatingMessage) + { + ueReleaseReq =&f1apMsg->choice.initiatingMessage->value.choice.UEContextReleaseRequest; + if(ueReleaseReq->protocolIEs.list.array) + { + for(ieIdx=0 ; ieIdxprotocolIEs.list.count; ieIdx++) + { + DU_FREE(ueReleaseReq->protocolIEs.list.array[ieIdx], sizeof(UEContextReleaseRequest_t)); + } + DU_FREE(ueReleaseReq->protocolIEs.list.array, ueReleaseReq->protocolIEs.list.size); + } + DU_FREE(f1apMsg->choice.initiatingMessage, sizeof(InitiatingMessage_t)); + } + DU_FREE(f1apMsg, sizeof(F1AP_PDU_t)); + } + +} +/*****************************************************************i +* +* @brief Build and Send UE Context Release Request +* +* @details +* +* Function : BuildAndSendUeContextReleaseReq +* +* Functionality: +* - Build and Send UE Context Release Request +* +* @params[in] +* @return ROK - success +* RFAILED - failure +* +* *************************************************************/ +uint8_t BuildAndSendUeContextReleaseReq(uint16_t cellId, uint8_t ueIdx) +{ + bool memAllocFail = false; + uint8_t ieIdx =0; + uint8_t ret = RFAILED; + uint16_t cellIdx =0; + uint16_t crnti = 0; + uint8_t elementCnt = 0; + uint32_t gnbCuUeF1apId =0; /* gNB-CU UE F1AP Id */ + uint32_t gnbDuUeF1apId =0; /* gNB-DU UE F1AP Id */ + asn_enc_rval_t encRetVal; + F1AP_PDU_t *f1apMsg = NULLP; + UEContextReleaseRequest_t *ueReleaseReq = NULLP; + + DU_LOG("\nINFO --> Building the UE Context Release Request"); + do + { + DU_ALLOC(f1apMsg, sizeof(F1AP_PDU_t)); + if(f1apMsg == NULLP) + { + DU_LOG("\nERROR --> F1AP : BuildAndSendUeContextReleaseReq(): Memory allocation failed for f1apMsg"); + break; + } + + f1apMsg->present = F1AP_PDU_PR_initiatingMessage; + DU_ALLOC(f1apMsg->choice.initiatingMessage, sizeof(InitiatingMessage_t)); + if(f1apMsg->choice.initiatingMessage == NULLP) + { + DU_LOG("\nERROR --> F1AP : BuildAndSendUeContextReleaseReq(): Memory allocation failed for\ + initiatingMessage"); + break; + } + f1apMsg->choice.initiatingMessage->procedureCode = ProcedureCode_id_UEContextReleaseRequest; + f1apMsg->choice.initiatingMessage->criticality = Criticality_reject; + f1apMsg->choice.initiatingMessage->value.present = \ + InitiatingMessage__value_PR_UEContextReleaseRequest; + + ueReleaseReq = &f1apMsg->choice.initiatingMessage->value.choice.UEContextReleaseRequest; + + elementCnt = 2; + + ueReleaseReq->protocolIEs.list.count = elementCnt; + ueReleaseReq->protocolIEs.list.size = elementCnt * sizeof(UEContextReleaseRequest_t *); + + /* Initialize the F1Setup members */ + DU_ALLOC(ueReleaseReq->protocolIEs.list.array,ueReleaseReq->protocolIEs.list.size); + if(ueReleaseReq->protocolIEs.list.array == NULLP) + { + DU_LOG("\nERROR --> F1AP : BuildAndSendUeContextReleaseReq(): Memory allocation failed for IE array"); + break; + } + for(ieIdx=0; ieIdxprotocolIEs.list.array[ieIdx],\ + sizeof(UEContextReleaseRequest_t)); + if(ueReleaseReq->protocolIEs.list.array[ieIdx] == NULLP) + { + DU_LOG("\nERROR --> F1AP : BuildAndSendUeContextReleaseReq(): Memory allocation failed for IE elements"); + memAllocFail = true; + break; + } + } + if(memAllocFail == true) + break; + + /* Fetching Ue Cb Info*/ + GET_CELL_IDX(cellId, cellIdx); + if(duCb.actvCellLst[cellIdx] == NULLP) + { + DU_LOG("\nERROR --> F1AP : BuildAndSendUeContextReleaseReq(): CellId[%d] does not exist", cellId); + break; + } + else + { + GET_CRNTI(crnti, ueIdx); + if(duCb.actvCellLst[cellIdx]->ueCb[ueIdx-1].crnti != crnti) + { + DU_LOG("\nERROR --> F1AP : BuildAndSendUeContextReleaseReq(): crnti[%d] does not exist", crnti); + break; + } + gnbDuUeF1apId = duCb.actvCellLst[cellIdx]->ueCb[ueIdx-1].gnbDuUeF1apId; + gnbCuUeF1apId = duCb.actvCellLst[cellIdx]->ueCb[ueIdx-1].gnbCuUeF1apId; + } + + ieIdx=0; + ueReleaseReq->protocolIEs.list.array[ieIdx]->id = ProtocolIE_ID_id_gNB_CU_UE_F1AP_ID; + ueReleaseReq->protocolIEs.list.array[ieIdx]->criticality= Criticality_reject; + ueReleaseReq->protocolIEs.list.array[ieIdx]->value.present = \ + UEContextReleaseRequestIEs__value_PR_GNB_CU_UE_F1AP_ID; + ueReleaseReq->protocolIEs.list.array[ieIdx]->value.choice.GNB_CU_UE_F1AP_ID =gnbCuUeF1apId; + + ieIdx++; + ueReleaseReq->protocolIEs.list.array[ieIdx]->id = ProtocolIE_ID_id_gNB_DU_UE_F1AP_ID; + ueReleaseReq->protocolIEs.list.array[ieIdx]->criticality= Criticality_reject; + ueReleaseReq->protocolIEs.list.array[ieIdx]->value.present =\ + UEContextReleaseRequestIEs__value_PR_GNB_DU_UE_F1AP_ID; + ueReleaseReq->protocolIEs.list.array[ieIdx]->value.choice.GNB_DU_UE_F1AP_ID =gnbDuUeF1apId; + + 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 UEContextReleaseRequest structure (at %s)\n",\ + encRetVal.failed_type ? encRetVal.failed_type->name : "unknown"); + break; + } + else + { + DU_LOG("\nDEBUG --> F1AP : Created APER encoded buffer for UEContextReleaseRequest\n"); + for(ieIdx=0; ieIdx< encBufSize; ieIdx++) + { + printf("%x",encBuf[ieIdx]); + } + } + + /* Sending msg */ + if(sendF1APMsg() != ROK) + { + DU_LOG("\nERROR --> F1AP : Sending UE Context Release Request failed"); + break; + } + ret = ROK; + break; + }while(true); + + FreeUeContextReleaseReq(f1apMsg); + return ret; +} +/*****************************************************************i + * + * @brief Free memory allocated for UE Context Release Complete + * + * @details + * + * Function : FreeUeContextReleaseComplete + * + * Functionality: + * - Free memory allocated for UE Context Release Complete + * + * @params[in] F1AP_PDU_t *f1apMsg + * @return void + * + * *************************************************************/ +void FreeUeContextReleaseComplete(F1AP_PDU_t *f1apMsg) +{ + uint8_t ieIdx; + UEContextReleaseComplete_t *ueReleaseComplete = NULLP; + + if(f1apMsg) + { + if(f1apMsg->choice.successfulOutcome) + { + ueReleaseComplete =&f1apMsg->choice.successfulOutcome->value.choice.UEContextReleaseComplete; + if(ueReleaseComplete->protocolIEs.list.array) + { + for(ieIdx=0 ; ieIdxprotocolIEs.list.count; ieIdx++) + { + DU_FREE(ueReleaseComplete->protocolIEs.list.array[ieIdx], sizeof(UEContextReleaseComplete_t)); + } + DU_FREE(ueReleaseComplete->protocolIEs.list.array, ueReleaseComplete->protocolIEs.list.size); + } + DU_FREE(f1apMsg->choice.successfulOutcome, sizeof(SuccessfulOutcome_t)); + } + DU_FREE(f1apMsg, sizeof(F1AP_PDU_t)); + } + +} +/*****************************************************************i + * + * @brief Build and Send UE Context Release Complete + * + * @details + * + * Function : BuildAndSendUeContextReleaseComplete + * + * Functionality: + * - Build and Send UE Context Release Complete + * + * @params[in] + * @return ROK - success + * RFAILED - failure + * + * *************************************************************/ +uint8_t BuildAndSendUeContextReleaseComplete(uint32_t gnbCuUeF1apId, uint32_t gnbDuUeF1apId) +{ + bool memAllocFail = false; + uint8_t ieIdx =0, ret = RFAILED, elementCnt = 0; + asn_enc_rval_t encRetVal; + F1AP_PDU_t *f1apMsg = NULLP; + UEContextReleaseComplete_t *ueReleaseComplete = NULLP; + + DU_LOG("\nINFO --> Building the UE Context Release Complete"); + do + { + DU_ALLOC(f1apMsg, sizeof(F1AP_PDU_t)); + if(f1apMsg == NULLP) + { + DU_LOG("\nERROR --> F1AP : BuildAndSendUeContextReleaseComplete(): Memory allocation failed for f1apMsg"); + break; + } + + f1apMsg->present = F1AP_PDU_PR_successfulOutcome; + DU_ALLOC(f1apMsg->choice.successfulOutcome, sizeof(SuccessfulOutcome_t)); + if(f1apMsg->choice.successfulOutcome == NULLP) + { + DU_LOG("\nERROR --> F1AP : BuildAndSendUeContextReleaseComplete(): Memory allocation failed for\ + successfulOutcome"); + break; + } + f1apMsg->choice.successfulOutcome->procedureCode = ProcedureCode_id_UEContextRelease; + f1apMsg->choice.successfulOutcome->criticality = Criticality_reject; + f1apMsg->choice.successfulOutcome->value.present = \ + SuccessfulOutcome__value_PR_UEContextReleaseComplete; + + ueReleaseComplete = &f1apMsg->choice.successfulOutcome->value.choice.UEContextReleaseComplete; + + elementCnt = 2; + ueReleaseComplete->protocolIEs.list.count = elementCnt; + ueReleaseComplete->protocolIEs.list.size = elementCnt * sizeof(UEContextReleaseComplete_t *); + + /* Initialize the UE Release Complete members */ + DU_ALLOC(ueReleaseComplete->protocolIEs.list.array,ueReleaseComplete->protocolIEs.list.size); + if(ueReleaseComplete->protocolIEs.list.array == NULLP) + { + DU_LOG("\nERROR --> F1AP : BuildAndSendUeContextReleaseComplete(): Memory allocation failed for IE array"); + break; + } + for(ieIdx=0; ieIdxprotocolIEs.list.array[ieIdx],\ + sizeof(UEContextReleaseComplete_t)); + if(ueReleaseComplete->protocolIEs.list.array[ieIdx] == NULLP) + { + DU_LOG("\nERROR --> F1AP : BuildAndSendUeContextReleaseComplete(): Memory allocation failed for IE\ + elements"); + memAllocFail = true; + break; + } + } + if(memAllocFail == true) + break; + + + ieIdx=0; + ueReleaseComplete->protocolIEs.list.array[ieIdx]->id = ProtocolIE_ID_id_gNB_CU_UE_F1AP_ID; + ueReleaseComplete->protocolIEs.list.array[ieIdx]->criticality= Criticality_reject; + ueReleaseComplete->protocolIEs.list.array[ieIdx]->value.present = \ + UEContextReleaseCompleteIEs__value_PR_GNB_CU_UE_F1AP_ID; + ueReleaseComplete->protocolIEs.list.array[ieIdx]->value.choice.GNB_CU_UE_F1AP_ID =gnbCuUeF1apId; + + ieIdx++; + ueReleaseComplete->protocolIEs.list.array[ieIdx]->id = ProtocolIE_ID_id_gNB_DU_UE_F1AP_ID; + ueReleaseComplete->protocolIEs.list.array[ieIdx]->criticality= Criticality_reject; + ueReleaseComplete->protocolIEs.list.array[ieIdx]->value.present =\ + UEContextReleaseCompleteIEs__value_PR_GNB_DU_UE_F1AP_ID; + ueReleaseComplete->protocolIEs.list.array[ieIdx]->value.choice.GNB_DU_UE_F1AP_ID =gnbDuUeF1apId; + + xer_fprint(stdout, &asn_DEF_F1AP_PDU, f1apMsg); + + /* Encode the F1SetupComplete 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 UEContextReleaseComplete structure (at %s)\n",\ + encRetVal.failed_type ? encRetVal.failed_type->name : "unknown"); + break; + } + else + { + DU_LOG("\nDEBUG --> F1AP : Created APER encoded buffer for UEContextReleaseComplete\n"); + for(ieIdx=0; ieIdx< encBufSize; ieIdx++) + { + printf("%x",encBuf[ieIdx]); + } + } + + /* Sending msg */ + if(sendF1APMsg() != ROK) + { + DU_LOG("\nERROR --> F1AP : Sending UE Context Release Complete failed"); + break; + } + ret = ROK; + break; + }while(true); + + FreeUeContextReleaseComplete(f1apMsg); + return ret; + + /*TODO: To add trigger for UE context release complete, once the operations of UE context + * release command are done*/ +} +/******************************************************************* +* +* @brief added free part for the memory allocated by aper_decoder +* +* @details +* +* Function : freeAperDecodeUeContextReleaseCommand +* +* Functionality: added free part for the memory allocated by aper_decoder +* +* @params[in] F1AP_PDU_t *f1apMsg +* @return void +* +* ****************************************************************/ +void freeAperDecodeUeContextReleaseCommand(F1AP_PDU_t *f1apMsg) +{ + uint8_t ieIdx=0; + UEContextReleaseCommand_t *ueContextReleaseCommand = NULLP; + + ueContextReleaseCommand = &f1apMsg->choice.initiatingMessage->value.choice.UEContextReleaseCommand; + + if(ueContextReleaseCommand->protocolIEs.list.array) + { + for(ieIdx=0; ieIdx < ueContextReleaseCommand->protocolIEs.list.count; ieIdx++) + { + if(ueContextReleaseCommand->protocolIEs.list.array[ieIdx]) + { + switch(ueContextReleaseCommand->protocolIEs.list.array[ieIdx]->id) + { + case ProtocolIE_ID_id_gNB_CU_UE_F1AP_ID: + break; + case ProtocolIE_ID_id_gNB_DU_UE_F1AP_ID: + break; + case ProtocolIE_ID_id_Cause: + break; + case ProtocolIE_ID_id_RRCContainer: + { + if(ueContextReleaseCommand->protocolIEs.list.array[ieIdx]->value.choice.RRCContainer.buf) + { + free(ueContextReleaseCommand->protocolIEs.list.array[ieIdx]->value.choice.RRCContainer.buf); + } + break; + } + default : + DU_LOG("\nERROR --> F1AP: freeAperDecodeUeContextReleaseCommand():Invalid IE Received: %ld"\ + ,ueContextReleaseCommand->protocolIEs.list.array[ieIdx]->id); + break; + } + } + free(ueContextReleaseCommand->protocolIEs.list.array[ieIdx]); + } + free(ueContextReleaseCommand->protocolIEs.list.array); + } +} +/******************************************************************* +* +* @brief processing of UE Context Release Command +* +* @details +* +* Function : procF1UeContextReleaseCommand +* +* Functionality: processing of UE Context Release Command +* +* @params[in] F1AP_PDU_t *f1apMsg +* @return void +* +* ****************************************************************/ +uint8_t procF1UeContextReleaseCommand(F1AP_PDU_t *f1apMsg) +{ + /*TODO: processing of DL RRC Msg Transfer to RLC->SCH->MAC-LOWER-MAC->PHY, if RRC container is received */ + + freeAperDecodeUeContextReleaseCommand(f1apMsg); + return ROK; +} +/************************************************************** * * @brief Handles received F1AP message and sends back response * @@ -12410,6 +12838,11 @@ void F1APMsgHdlr(Buffer *mBuf) procF1UeContextModificationReq(f1apMsg); break; } + case InitiatingMessage__value_PR_UEContextReleaseCommand: + { + procF1UeContextReleaseCommand(f1apMsg); + break; + } default: { DU_LOG("\nERROR --> F1AP : Invalid type of F1AP_PDU_PR_initiatingMessage [%d]",