/*
* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The OpenAirInterface Software Alliance licenses this file to You under
* the OAI Public License, Version 1.1 (the "License"); you may not use this file
* except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.openairinterface.org/?page_id=698
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*-------------------------------------------------------------------------------
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*/
/*! \file m2ap_MCE_generate_messages.c
* \brief m2ap procedures for MCE
* \author Javier Morgade <javier.morgade@ieee.org>
* \date 2019
* \version 0.1
*/
#include "intertask_interface.h"
//#include "M2AP_LastVisitedCell-Item.h"
#include "m2ap_common.h"
#include "m2ap_MCE.h"
#include "m2ap_MCE_generate_messages.h"
#include "m2ap_encoder.h"
#include "m2ap_decoder.h"
#include "m2ap_ids.h"
#include "m2ap_itti_messaging.h"
#include "assertions.h"
#include "conversions.h"
int m2ap_MCE_generate_m2_setup_request(
m2ap_MCE_instance_t *instance_p, m2ap_MCE_data_t *m2ap_MCE_data_p)
{
M2AP_M2AP_PDU_t pdu;
M2AP_M2SetupRequest_t *out;
M2AP_M2SetupRequest_Ies_t *ie;
//M2AP_PLMN_Identity_t *plmn;
//ServedCells__Member *servedCellMember;
//M2AP_GU_Group_ID_t *gu;
uint8_t *buffer;
uint32_t len;
int ret = 0;
DevAssert(instance_p != NULL);
DevAssert(m2ap_MCE_data_p != NULL);
m2ap_MCE_data_p->state = M2AP_MCE_STATE_WAITING;
/* Prepare the M2AP message to encode */
memset(&pdu, 0, sizeof(pdu));
pdu.present = M2AP_M2AP_PDU_PR_initiatingMessage;
pdu.choice.initiatingMessage.procedureCode = M2AP_ProcedureCode_id_m2Setup;
pdu.choice.initiatingMessage.criticality = M2AP_Criticality_reject;
pdu.choice.initiatingMessage.value.present = M2AP_InitiatingMessage__value_PR_M2SetupRequest;
out = &pdu.choice.initiatingMessage.value.choice.M2SetupRequest;
/* mandatory */
ie = (M2AP_M2SetupRequest_Ies_t *)calloc(1, sizeof(M2AP_M2SetupRequest_Ies_t));
//ie->id = M2AP_ProtocolIE_ID_id_GlobalMCE_ID;
//ie->criticality = M2AP_Criticality_reject;
//ie->value.present = M2AP_M2SetupRequest_IEs__value_PR_GlobalMCE_ID;
//MCC_MNC_TO_PLMNID(instance_p->mcc, instance_p->mnc, instance_p->mnc_digit_length,
// &ie->value.choice.GlobalMCE_ID.pLMN_Identity);
//ie->value.choice.GlobalMCE_ID.MCE_ID.present = M2AP_MCE_ID_PR_macro_MCE_ID;
//MACRO_MCE_ID_TO_BIT_STRING(instance_p->MCE_id,
// &ie->value.choice.GlobalMCE_ID.MCE_ID.choice.macro_MCE_ID);
//M2AP_INFO("%d -> %02x%02x%02x\n", instance_p->MCE_id,
// ie->value.choice.GlobalMCE_ID.MCE_ID.choice.macro_MCE_ID.buf[0],
// ie->value.choice.GlobalMCE_ID.MCE_ID.choice.macro_MCE_ID.buf[1],
// ie->value.choice.GlobalMCE_ID.MCE_ID.choice.macro_MCE_ID.buf[2]);
asn1cSeqAdd(&out->protocolIEs.list, ie);
/* mandatory */
ie = (M2AP_M2SetupRequest_Ies_t *)calloc(1, sizeof(M2AP_M2SetupRequest_Ies_t));
//ie->id = M2AP_ProtocolIE_ID_id_ServedCells;
//ie->criticality = M2AP_Criticality_reject;
//ie->value.present = M2AP_M2SetupRequest_IEs__value_PR_ServedCells;
//{
// for (int i = 0; i<instance_p->num_cc; i++){
// servedCellMember = (ServedCells__Member *)calloc(1,sizeof(ServedCells__Member));
// {
// servedCellMember->servedCellInfo.pCI = instance_p->Nid_cell[i];
// MCC_MNC_TO_PLMNID(instance_p->mcc, instance_p->mnc, instance_p->mnc_digit_length,
// &servedCellMember->servedCellInfo.cellId.pLMN_Identity);
// MACRO_MCE_ID_TO_CELL_IDENTITY(instance_p->MCE_id,0,
// &servedCellMember->servedCellInfo.cellId.eUTRANcellIdentifier);
// INT16_TO_OCTET_STRING(instance_p->tac, &servedCellMember->servedCellInfo.tAC);
// plmn = (M2AP_PLMN_Identity_t *)calloc(1,sizeof(M2AP_PLMN_Identity_t));
// {
// MCC_MNC_TO_PLMNID(instance_p->mcc, instance_p->mnc, instance_p->mnc_digit_length, plmn);
// asn1cSeqAdd(&servedCellMember->servedCellInfo.broadcastPLMNs.list, plmn);
// }
// if (instance_p->frame_type[i] == FDD) {
// servedCellMember->servedCellInfo.eUTRA_Mode_Info.present = M2AP_EUTRA_Mode_Info_PR_fDD;
// servedCellMember->servedCellInfo.eUTRA_Mode_Info.choice.fDD.dL_EARFCN = instance_p->fdd_earfcn_DL[i];
// servedCellMember->servedCellInfo.eUTRA_Mode_Info.choice.fDD.uL_EARFCN = instance_p->fdd_earfcn_UL[i];
// switch (instance_p->N_RB_DL[i]) {
// case 6:
// servedCellMember->servedCellInfo.eUTRA_Mode_Info.choice.fDD.uL_Transmission_Bandwidth = M2AP_Transmission_Bandwidth_bw6;
// servedCellMember->servedCellInfo.eUTRA_Mode_Info.choice.fDD.dL_Transmission_Bandwidth = M2AP_Transmission_Bandwidth_bw6;
// break;
// case 15:
// servedCellMember->servedCellInfo.eUTRA_Mode_Info.choice.fDD.uL_Transmission_Bandwidth = M2AP_Transmission_Bandwidth_bw15;
// servedCellMember->servedCellInfo.eUTRA_Mode_Info.choice.fDD.dL_Transmission_Bandwidth = M2AP_Transmission_Bandwidth_bw15;
// break;
// case 25:
// servedCellMember->servedCellInfo.eUTRA_Mode_Info.choice.fDD.uL_Transmission_Bandwidth = M2AP_Transmission_Bandwidth_bw25;
// servedCellMember->servedCellInfo.eUTRA_Mode_Info.choice.fDD.dL_Transmission_Bandwidth = M2AP_Transmission_Bandwidth_bw25;
// break;
// case 50:
// servedCellMember->servedCellInfo.eUTRA_Mode_Info.choice.fDD.uL_Transmission_Bandwidth = M2AP_Transmission_Bandwidth_bw50;
// servedCellMember->servedCellInfo.eUTRA_Mode_Info.choice.fDD.dL_Transmission_Bandwidth = M2AP_Transmission_Bandwidth_bw50;
// break;
// case 75:
// servedCellMember->servedCellInfo.eUTRA_Mode_Info.choice.fDD.uL_Transmission_Bandwidth = M2AP_Transmission_Bandwidth_bw75;
// servedCellMember->servedCellInfo.eUTRA_Mode_Info.choice.fDD.dL_Transmission_Bandwidth = M2AP_Transmission_Bandwidth_bw75;
// break;
// case 100:
// servedCellMember->servedCellInfo.eUTRA_Mode_Info.choice.fDD.uL_Transmission_Bandwidth = M2AP_Transmission_Bandwidth_bw100;
// servedCellMember->servedCellInfo.eUTRA_Mode_Info.choice.fDD.dL_Transmission_Bandwidth = M2AP_Transmission_Bandwidth_bw100;
// break;
// default:
// AssertFatal(0,"Failed: Check value for N_RB_DL/N_RB_UL");
// break;
// }
// }
// else {
// AssertFatal(0,"M2Setuprequest not supported for TDD!");
// }
// }
// asn1cSeqAdd(&ie->value.choice.ServedCells.list, servedCellMember);
// }
//}
asn1cSeqAdd(&out->protocolIEs.list, ie);
/* mandatory */
ie = (M2AP_M2SetupRequest_Ies_t *)calloc(1, sizeof(M2AP_M2SetupRequest_Ies_t));
//ie->id = M2AP_ProtocolIE_ID_id_GUGroupIDList;
//ie->criticality = M2AP_Criticality_reject;
//ie->value.present = M2AP_M2SetupRequest_IEs__value_PR_GUGroupIDList;
//{
// gu = (M2AP_GU_Group_ID_t *)calloc(1, sizeof(M2AP_GU_Group_ID_t));
// {
// MCC_MNC_TO_PLMNID(instance_p->mcc, instance_p->mnc, instance_p->mnc_digit_length,
// &gu->pLMN_Identity);
// //@TODO: consider to update this value
// INT16_TO_OCTET_STRING(0, &gu->mME_Group_ID);
// }
// asn1cSeqAdd(&ie->value.choice.GUGroupIDList.list, gu);
//}
asn1cSeqAdd(&out->protocolIEs.list, ie);
if (m2ap_encode_pdu(&pdu, &buffer, &len) < 0) {
M2AP_ERROR("Failed to encode M2 setup request\n");
return -1;
}
m2ap_MCE_itti_send_sctp_data_req(instance_p->instance, m2ap_MCE_data_p->assoc_id, buffer, len, 0);
return ret;
}
int m2ap_MCE_generate_m2_setup_response(m2ap_MCE_instance_t *instance_p, m2ap_MCE_data_t *m2ap_MCE_data_p)
{
M2AP_M2AP_PDU_t pdu;
M2AP_M2SetupResponse_t *out;
M2AP_M2SetupResponse_Ies_t *ie;
//M2AP_PLMN_Identity_t *plmn;
//ServedCells__Member *servedCellMember;
//M2AP_GU_Group_ID_t *gu;
uint8_t *buffer;
uint32_t len;
int ret = 0;
DevAssert(instance_p != NULL);
DevAssert(m2ap_MCE_data_p != NULL);
/* Prepare the M2AP message to encode */
memset(&pdu, 0, sizeof(pdu));
pdu.present = M2AP_M2AP_PDU_PR_successfulOutcome;
pdu.choice.successfulOutcome.procedureCode = M2AP_ProcedureCode_id_m2Setup;
pdu.choice.successfulOutcome.criticality = M2AP_Criticality_reject;
pdu.choice.successfulOutcome.value.present = M2AP_SuccessfulOutcome__value_PR_M2SetupResponse;
out = &pdu.choice.successfulOutcome.value.choice.M2SetupResponse;
/* mandatory */
ie = (M2AP_M2SetupResponse_Ies_t *)calloc(1, sizeof(M2AP_M2SetupResponse_Ies_t));
//ie->id = M2AP_ProtocolIE_ID_id_GlobalMCE_ID;
//ie->criticality = M2AP_Criticality_reject;
//ie->value.present = M2AP_M2SetupResponse_IEs__value_PR_GlobalMCE_ID;
//MCC_MNC_TO_PLMNID(instance_p->mcc, instance_p->mnc, instance_p->mnc_digit_length,
// &ie->value.choice.GlobalMCE_ID.pLMN_Identity);
//ie->value.choice.GlobalMCE_ID.MCE_ID.present = M2AP_MCE_ID_PR_macro_MCE_ID;
//MACRO_MCE_ID_TO_BIT_STRING(instance_p->MCE_id,
// &ie->value.choice.GlobalMCE_ID.MCE_ID.choice.macro_MCE_ID);
//M2AP_INFO("%d -> %02x%02x%02x\n", instance_p->MCE_id,
// ie->value.choice.GlobalMCE_ID.MCE_ID.choice.macro_MCE_ID.buf[0],
// ie->value.choice.GlobalMCE_ID.MCE_ID.choice.macro_MCE_ID.buf[1],
// ie->value.choice.GlobalMCE_ID.MCE_ID.choice.macro_MCE_ID.buf[2]);
asn1cSeqAdd(&out->protocolIEs.list, ie);
/* mandatory */
ie = (M2AP_M2SetupResponse_Ies_t *)calloc(1, sizeof(M2AP_M2SetupResponse_Ies_t));
//ie->id = M2AP_ProtocolIE_ID_id_ServedCells;
//ie->criticality = M2AP_Criticality_reject;
//ie->value.present = M2AP_M2SetupResponse_IEs__value_PR_ServedCells;
//{
// for (int i = 0; i<instance_p->num_cc; i++){
// servedCellMember = (ServedCells__Member *)calloc(1,sizeof(ServedCells__Member));
// {
// servedCellMember->servedCellInfo.pCI = instance_p->Nid_cell[i];
// MCC_MNC_TO_PLMNID(instance_p->mcc, instance_p->mnc, instance_p->mnc_digit_length,
// &servedCellMember->servedCellInfo.cellId.pLMN_Identity);
// MACRO_MCE_ID_TO_CELL_IDENTITY(instance_p->MCE_id,0,
// &servedCellMember->servedCellInfo.cellId.eUTRANcellIdentifier);
// INT16_TO_OCTET_STRING(instance_p->tac, &servedCellMember->servedCellInfo.tAC);
// plmn = (M2AP_PLMN_Identity_t *)calloc(1,sizeof(M2AP_PLMN_Identity_t));
// {
// MCC_MNC_TO_PLMNID(instance_p->mcc, instance_p->mnc, instance_p->mnc_digit_length, plmn);
// asn1cSeqAdd(&servedCellMember->servedCellInfo.broadcastPLMNs.list, plmn);
// }
// if (instance_p->frame_type[i] == FDD) {
// servedCellMember->servedCellInfo.eUTRA_Mode_Info.present = M2AP_EUTRA_Mode_Info_PR_fDD;
// servedCellMember->servedCellInfo.eUTRA_Mode_Info.choice.fDD.dL_EARFCN = instance_p->fdd_earfcn_DL[i];
// servedCellMember->servedCellInfo.eUTRA_Mode_Info.choice.fDD.uL_EARFCN = instance_p->fdd_earfcn_UL[i];
// switch (instance_p->N_RB_DL[i]) {
// case 6:
// servedCellMember->servedCellInfo.eUTRA_Mode_Info.choice.fDD.uL_Transmission_Bandwidth = M2AP_Transmission_Bandwidth_bw6;
// servedCellMember->servedCellInfo.eUTRA_Mode_Info.choice.fDD.dL_Transmission_Bandwidth = M2AP_Transmission_Bandwidth_bw6;
// break;
// case 15:
// servedCellMember->servedCellInfo.eUTRA_Mode_Info.choice.fDD.uL_Transmission_Bandwidth = M2AP_Transmission_Bandwidth_bw15;
// servedCellMember->servedCellInfo.eUTRA_Mode_Info.choice.fDD.dL_Transmission_Bandwidth = M2AP_Transmission_Bandwidth_bw15;
// break;
// case 25:
// servedCellMember->servedCellInfo.eUTRA_Mode_Info.choice.fDD.uL_Transmission_Bandwidth = M2AP_Transmission_Bandwidth_bw25;
// servedCellMember->servedCellInfo.eUTRA_Mode_Info.choice.fDD.dL_Transmission_Bandwidth = M2AP_Transmission_Bandwidth_bw25;
// break;
// case 50:
// servedCellMember->servedCellInfo.eUTRA_Mode_Info.choice.fDD.uL_Transmission_Bandwidth = M2AP_Transmission_Bandwidth_bw50;
// servedCellMember->servedCellInfo.eUTRA_Mode_Info.choice.fDD.dL_Transmission_Bandwidth = M2AP_Transmission_Bandwidth_bw50;
// break;
// case 75:
// servedCellMember->servedCellInfo.eUTRA_Mode_Info.choice.fDD.uL_Transmission_Bandwidth = M2AP_Transmission_Bandwidth_bw75;
// servedCellMember->servedCellInfo.eUTRA_Mode_Info.choice.fDD.dL_Transmission_Bandwidth = M2AP_Transmission_Bandwidth_bw75;
// break;
// case 100:
// servedCellMember->servedCellInfo.eUTRA_Mode_Info.choice.fDD.uL_Transmission_Bandwidth = M2AP_Transmission_Bandwidth_bw100;
// servedCellMember->servedCellInfo.eUTRA_Mode_Info.choice.fDD.dL_Transmission_Bandwidth = M2AP_Transmission_Bandwidth_bw100;
// break;
// default:
// AssertFatal(0,"Failed: Check value for N_RB_DL/N_RB_UL");
// break;
// }
// }
// else {
// AssertFatal(0,"M2Setupresponse not supported for TDD!");
// }
// }
// asn1cSeqAdd(&ie->value.choice.ServedCells.list, servedCellMember);
// }
//}
asn1cSeqAdd(&out->protocolIEs.list, ie);
/* mandatory */
ie = (M2AP_M2SetupResponse_Ies_t *)calloc(1, sizeof(M2AP_M2SetupResponse_Ies_t));
//ie->id = M2AP_ProtocolIE_ID_id_GUGroupIDList;
//ie->criticality = M2AP_Criticality_reject;
//ie->value.present = M2AP_M2SetupResponse_IEs__value_PR_GUGroupIDList;
//{
// gu = (M2AP_GU_Group_ID_t *)calloc(1, sizeof(M2AP_GU_Group_ID_t));
// {
// MCC_MNC_TO_PLMNID(instance_p->mcc, instance_p->mnc, instance_p->mnc_digit_length,
// &gu->pLMN_Identity);
// //@TODO: consider to update this value
// INT16_TO_OCTET_STRING(0, &gu->mME_Group_ID);
// }
// asn1cSeqAdd(&ie->value.choice.GUGroupIDList.list, gu);
//}
asn1cSeqAdd(&out->protocolIEs.list, ie);
if (m2ap_encode_pdu(&pdu, &buffer, &len) < 0) {
M2AP_ERROR("Failed to encode M2 setup response\n");
return -1;
}
m2ap_MCE_data_p->state = M2AP_MCE_STATE_READY;
m2ap_MCE_itti_send_sctp_data_req(instance_p->instance, m2ap_MCE_data_p->assoc_id, buffer, len, 0);
return ret;
}
int m2ap_MCE_generate_m2_setup_failure(instance_t instance,
uint32_t assoc_id,
M2AP_Cause_PR cause_type,
long cause_value,
long time_to_wait)
{
M2AP_M2AP_PDU_t pdu;
M2AP_M2SetupFailure_t *out;
M2AP_M2SetupFailure_Ies_t *ie;
uint8_t *buffer;
uint32_t len;
int ret = 0;
/* Prepare the M2AP message to encode */
memset(&pdu, 0, sizeof(pdu));
pdu.present = M2AP_M2AP_PDU_PR_unsuccessfulOutcome;
pdu.choice.unsuccessfulOutcome.procedureCode = M2AP_ProcedureCode_id_m2Setup;
pdu.choice.unsuccessfulOutcome.criticality = M2AP_Criticality_reject;
pdu.choice.unsuccessfulOutcome.value.present = M2AP_UnsuccessfulOutcome__value_PR_M2SetupFailure;
out = &pdu.choice.unsuccessfulOutcome.value.choice.M2SetupFailure;
/* mandatory */
ie = (M2AP_M2SetupFailure_Ies_t *)calloc(1, sizeof(M2AP_M2SetupFailure_Ies_t));
//ie->id = M2AP_ProtocolIE_ID_id_Cause;
//ie->criticality = M2AP_Criticality_ignore;
//ie->value.present = M2AP_M2SetupFailure_IEs__value_PR_Cause;
//m2ap_MCE_set_cause (&ie->value.choice.Cause, cause_type, cause_value);
asn1cSeqAdd(&out->protocolIEs.list, ie);
/* optional: consider to handle this later */
ie = (M2AP_M2SetupFailure_Ies_t *)calloc(1, sizeof(M2AP_M2SetupFailure_Ies_t));
//ie->id = M2AP_ProtocolIE_ID_id_TimeToWait;
//ie->criticality = M2AP_Criticality_ignore;
//ie->value.present = M2AP_M2SetupFailure_IEs__value_PR_TimeToWait;
//if (time_to_wait > -1) {
// ie->value.choice.TimeToWait = time_to_wait;
//}
asn1cSeqAdd(&out->protocolIEs.list, ie);
if (m2ap_encode_pdu(&pdu, &buffer, &len) < 0) {
M2AP_ERROR("Failed to encode M2 setup failure\n");
return -1;
}
m2ap_MCE_itti_send_sctp_data_req(instance, assoc_id, buffer, len, 0);
return ret;
}
int m2ap_MCE_set_cause (M2AP_Cause_t * cause_p,
M2AP_Cause_PR cause_type,
long cause_value)
{
DevAssert (cause_p != NULL);
cause_p->present = cause_type;
switch (cause_type) {
case M2AP_Cause_PR_radioNetwork:
cause_p->choice.misc = cause_value;
break;
case M2AP_Cause_PR_transport:
cause_p->choice.misc = cause_value;
break;
case M2AP_Cause_PR_protocol:
cause_p->choice.misc = cause_value;
break;
case M2AP_Cause_PR_misc:
cause_p->choice.misc = cause_value;
break;
default:
return -1;
}
return 0;
}
//int m2ap_MCE_generate_m2_handover_request (m2ap_MCE_instance_t *instance_p, m2ap_MCE_data_t *m2ap_MCE_data_p,
// m2ap_handover_req_t *m2ap_handover_req, int ue_id)
//{
//
// M2AP_M2AP_PDU_t pdu;
// M2AP_HandoverRequest_t *out;
// M2AP_HandoverRequest_IEs_t *ie;
// M2AP_E_RABs_ToBeSetup_ItemIEs_t *e_RABS_ToBeSetup_ItemIEs;
// M2AP_E_RABs_ToBeSetup_Item_t *e_RABs_ToBeSetup_Item;
// M2AP_LastVisitedCell_Item_t *lastVisitedCell_Item;
//
// uint8_t *buffer;
// uint32_t len;
// int ret = 0;
//
// DevAssert(instance_p != NULL);
// DevAssert(m2ap_MCE_data_p != NULL);
//
// /* Prepare the M2AP handover message to encode */
// memset(&pdu, 0, sizeof(pdu));
// pdu.present = M2AP_M2AP_PDU_PR_initiatingMessage;
// pdu.choice.initiatingMessage.procedureCode = M2AP_ProcedureCode_id_handoverPreparation;
// pdu.choice.initiatingMessage.criticality = M2AP_Criticality_reject;
// pdu.choice.initiatingMessage.value.present = M2AP_InitiatingMessage__value_PR_HandoverRequest;
// out = &pdu.choice.initiatingMessage.value.choice.HandoverRequest;
//
// /* mandatory */
// ie = (M2AP_HandoverRequest_IEs_t *)calloc(1, sizeof(M2AP_HandoverRequest_IEs_t));
// ie->id = M2AP_ProtocolIE_ID_id_Old_MCE_UE_M2AP_ID;
// ie->criticality = M2AP_Criticality_reject;
// ie->value.present = M2AP_HandoverRequest_IEs__value_PR_UE_M2AP_ID;
// ie->value.choice.UE_M2AP_ID = m2ap_id_get_id_source(&instance_p->id_manager, ue_id);
// asn1cSeqAdd(&out->protocolIEs.list, ie);
//
// /* mandatory */
// ie = (M2AP_HandoverRequest_IEs_t *)calloc(1, sizeof(M2AP_HandoverRequest_IEs_t));
// ie->id = M2AP_ProtocolIE_ID_id_Cause;
// ie->criticality = M2AP_Criticality_ignore;
// ie->value.present = M2AP_HandoverRequest_IEs__value_PR_Cause;
// ie->value.choice.Cause.present = M2AP_Cause_PR_radioNetwork;
// ie->value.choice.Cause.choice.radioNetwork = M2AP_CauseRadioNetwork_handover_desirable_for_radio_reasons;
// asn1cSeqAdd(&out->protocolIEs.list, ie);
//
// /* mandatory */
// ie = (M2AP_HandoverRequest_IEs_t *)calloc(1, sizeof(M2AP_HandoverRequest_IEs_t));
// ie->id = M2AP_ProtocolIE_ID_id_TargetCell_ID;
// ie->criticality = M2AP_Criticality_reject;
// ie->value.present = M2AP_HandoverRequest_IEs__value_PR_ECGI;
// MCC_MNC_TO_PLMNID(instance_p->mcc, instance_p->mnc, instance_p->mnc_digit_length,
// &ie->value.choice.ECGI.pLMN_Identity);
// MACRO_MCE_ID_TO_CELL_IDENTITY(m2ap_MCE_data_p->MCE_id, 0, &ie->value.choice.ECGI.eUTRANcellIdentifier);
// asn1cSeqAdd(&out->protocolIEs.list, ie);
//
// /* mandatory */
// ie = (M2AP_HandoverRequest_IEs_t *)calloc(1, sizeof(M2AP_HandoverRequest_IEs_t));
// ie->id = M2AP_ProtocolIE_ID_id_GUMMEI_ID;
// ie->criticality = M2AP_Criticality_reject;
// ie->value.present = M2AP_HandoverRequest_IEs__value_PR_GUMMEI;
// MCC_MNC_TO_PLMNID(instance_p->mcc, instance_p->mnc, instance_p->mnc_digit_length,
// &ie->value.choice.GUMMEI.gU_Group_ID.pLMN_Identity);
// //@TODO: consider to update these values
// INT16_TO_OCTET_STRING(m2ap_handover_req->ue_gummei.mme_group_id, &ie->value.choice.GUMMEI.gU_Group_ID.mME_Group_ID);
// MME_CODE_TO_OCTET_STRING(m2ap_handover_req->ue_gummei.mme_code, &ie->value.choice.GUMMEI.mME_Code);
// asn1cSeqAdd(&out->protocolIEs.list, ie);
//
// /* mandatory */
// ie = (M2AP_HandoverRequest_IEs_t *)calloc(1, sizeof(M2AP_HandoverRequest_IEs_t));
// ie->id = M2AP_ProtocolIE_ID_id_UE_ContextInformation;
// ie->criticality = M2AP_Criticality_reject;
// ie->value.present = M2AP_HandoverRequest_IEs__value_PR_UE_ContextInformation;
// //@TODO: consider to update this value
// ie->value.choice.UE_ContextInformation.mME_UE_S1AP_ID = m2ap_handover_req->mme_ue_s1ap_id;
//
// KMCE_STAR_TO_BIT_STRING(m2ap_handover_req->kenb,&ie->value.choice.UE_ContextInformation.aS_SecurityInformation.key_eNodeB_star);
//
// if (m2ap_handover_req->kenb_ncc >=0) { // Check this condition
// ie->value.choice.UE_ContextInformation.aS_SecurityInformation.nextHopChainingCount = m2ap_handover_req->kenb_ncc;
// }
// else {
// ie->value.choice.UE_ContextInformation.aS_SecurityInformation.nextHopChainingCount = 1;
// }
//
// ENCRALG_TO_BIT_STRING(m2ap_handover_req->security_capabilities.encryption_algorithms,
// &ie->value.choice.UE_ContextInformation.uESecurityCapabilities.encryptionAlgorithms);
//
// INTPROTALG_TO_BIT_STRING(m2ap_handover_req->security_capabilities.integrity_algorithms,
// &ie->value.choice.UE_ContextInformation.uESecurityCapabilities.integrityProtectionAlgorithms);
//
// //@TODO: update with proper UEAMPR
// UEAGMAXBITRTD_TO_ASN_PRIMITIVES(3L,&ie->value.choice.UE_ContextInformation.uEaggregateMaximumBitRate.uEaggregateMaximumBitRateDownlink);
// UEAGMAXBITRTU_TO_ASN_PRIMITIVES(6L,&ie->value.choice.UE_ContextInformation.uEaggregateMaximumBitRate.uEaggregateMaximumBitRateUplink);
// {
// for (int i=0;i<m2ap_handover_req->nb_e_rabs_tobesetup;i++) {
// e_RABS_ToBeSetup_ItemIEs = (M2AP_E_RABs_ToBeSetup_ItemIEs_t *)calloc(1,sizeof(M2AP_E_RABs_ToBeSetup_ItemIEs_t));
// e_RABS_ToBeSetup_ItemIEs->id = M2AP_ProtocolIE_ID_id_E_RABs_ToBeSetup_Item;
// e_RABS_ToBeSetup_ItemIEs->criticality = M2AP_Criticality_ignore;
// e_RABS_ToBeSetup_ItemIEs->value.present = M2AP_E_RABs_ToBeSetup_ItemIEs__value_PR_E_RABs_ToBeSetup_Item;
// e_RABs_ToBeSetup_Item = &e_RABS_ToBeSetup_ItemIEs->value.choice.E_RABs_ToBeSetup_Item;
// {
// e_RABs_ToBeSetup_Item->e_RAB_ID = m2ap_handover_req->e_rabs_tobesetup[i].e_rab_id;
// e_RABs_ToBeSetup_Item->e_RAB_Level_QoS_Parameters.qCI = m2ap_handover_req->e_rab_param[i].qos.qci;
// e_RABs_ToBeSetup_Item->e_RAB_Level_QoS_Parameters.allocationAndRetentionPriority.priorityLevel = m2ap_handover_req->e_rab_param[i].qos.allocation_retention_priority.priority_level;
// e_RABs_ToBeSetup_Item->e_RAB_Level_QoS_Parameters.allocationAndRetentionPriority.pre_emptionCapability = m2ap_handover_req->e_rab_param[i].qos.allocation_retention_priority.pre_emp_capability;
// e_RABs_ToBeSetup_Item->e_RAB_Level_QoS_Parameters.allocationAndRetentionPriority.pre_emptionVulnerability = m2ap_handover_req->e_rab_param[i].qos.allocation_retention_priority.pre_emp_vulnerability;
// e_RABs_ToBeSetup_Item->uL_GTPtunnelEndpoint.transportLayerAddress.size = (uint8_t)(m2ap_handover_req->e_rabs_tobesetup[i].MCE_addr.length/8);
// e_RABs_ToBeSetup_Item->uL_GTPtunnelEndpoint.transportLayerAddress.bits_unused = m2ap_handover_req->e_rabs_tobesetup[i].MCE_addr.length%8;
// e_RABs_ToBeSetup_Item->uL_GTPtunnelEndpoint.transportLayerAddress.buf =
// calloc(1,e_RABs_ToBeSetup_Item->uL_GTPtunnelEndpoint.transportLayerAddress.size);
//
// memcpy (e_RABs_ToBeSetup_Item->uL_GTPtunnelEndpoint.transportLayerAddress.buf,
// m2ap_handover_req->e_rabs_tobesetup[i].MCE_addr.buffer,
// e_RABs_ToBeSetup_Item->uL_GTPtunnelEndpoint.transportLayerAddress.size);
//
// INT32_TO_OCTET_STRING(m2ap_handover_req->e_rabs_tobesetup[i].gtp_teid,&e_RABs_ToBeSetup_Item->uL_GTPtunnelEndpoint.gTP_TEID);
// }
// asn1cSeqAdd(&ie->value.choice.UE_ContextInformation.e_RABs_ToBeSetup_List.list, e_RABS_ToBeSetup_ItemIEs);
// }
// }
//
// OCTET_STRING_fromBuf(&ie->value.choice.UE_ContextInformation.rRC_Context, (char*) m2ap_handover_req->rrc_buffer, m2ap_handover_req->rrc_buffer_size);
//
// asn1cSeqAdd(&out->protocolIEs.list, ie);
//
// /* mandatory */
// ie = (M2AP_HandoverRequest_IEs_t *)calloc(1, sizeof(M2AP_HandoverRequest_IEs_t));
// ie->id = M2AP_ProtocolIE_ID_id_UE_HistoryInformation;
// ie->criticality = M2AP_Criticality_ignore;
// ie->value.present = M2AP_HandoverRequest_IEs__value_PR_UE_HistoryInformation;
// //@TODO: consider to update this value
// {
// lastVisitedCell_Item = (M2AP_LastVisitedCell_Item_t *)calloc(1, sizeof(M2AP_LastVisitedCell_Item_t));
// lastVisitedCell_Item->present = M2AP_LastVisitedCell_Item_PR_e_UTRAN_Cell;
// MCC_MNC_TO_PLMNID(instance_p->mcc, instance_p->mnc, instance_p->mnc_digit_length,
// &lastVisitedCell_Item->choice.e_UTRAN_Cell.global_Cell_ID.pLMN_Identity);
// MACRO_MCE_ID_TO_CELL_IDENTITY(0, 0, &lastVisitedCell_Item->choice.e_UTRAN_Cell.global_Cell_ID.eUTRANcellIdentifier);
// lastVisitedCell_Item->choice.e_UTRAN_Cell.cellType.cell_Size = M2AP_Cell_Size_small;
// lastVisitedCell_Item->choice.e_UTRAN_Cell.time_UE_StayedInCell = 2;
// asn1cSeqAdd(&ie->value.choice.UE_HistoryInformation.list, lastVisitedCell_Item);
// }
//
// asn1cSeqAdd(&out->protocolIEs.list, ie);
//
// if (m2ap_MCE_encode_pdu(&pdu, &buffer, &len) < 0) {
// M2AP_ERROR("Failed to encode X2 handover request\n");
// abort();
// return -1;
// }
//
// m2ap_MCE_itti_send_sctp_data_req(instance_p->instance, m2ap_MCE_data_p->assoc_id, buffer, len, 1);
//
// return ret;
//}
//
//int m2ap_MCE_generate_m2_handover_request_ack (m2ap_MCE_instance_t *instance_p, m2ap_MCE_data_t *m2ap_MCE_data_p,
// m2ap_handover_req_ack_t *m2ap_handover_req_ack)
//{
//
// M2AP_M2AP_PDU_t pdu;
// M2AP_HandoverRequestAcknowledge_t *out;
// M2AP_HandoverRequestAcknowledge_IEs_t *ie;
// M2AP_E_RABs_Admitted_ItemIEs_t *e_RABS_Admitted_ItemIEs;
// M2AP_E_RABs_Admitted_Item_t *e_RABs_Admitted_Item;
// int ue_id;
// int id_source;
// int id_target;
//
// uint8_t *buffer;
// uint32_t len;
// int ret = 0;
//
// DevAssert(instance_p != NULL);
// DevAssert(m2ap_MCE_data_p != NULL);
//
// ue_id = m2ap_handover_req_ack->m2_id_target;
// id_source = m2ap_id_get_id_source(&instance_p->id_manager, ue_id);
// id_target = ue_id;
//
// /* Prepare the M2AP handover message to encode */
// memset(&pdu, 0, sizeof(pdu));
// pdu.present = M2AP_M2AP_PDU_PR_successfulOutcome;
// pdu.choice.successfulOutcome.procedureCode = M2AP_ProcedureCode_id_handoverPreparation;
// pdu.choice.successfulOutcome.criticality = M2AP_Criticality_reject;
// pdu.choice.successfulOutcome.value.present = M2AP_SuccessfulOutcome__value_PR_HandoverRequestAcknowledge;
// out = &pdu.choice.successfulOutcome.value.choice.HandoverRequestAcknowledge;
//
// /* mandatory */
// ie = (M2AP_HandoverRequestAcknowledge_IEs_t *)calloc(1, sizeof(M2AP_HandoverRequestAcknowledge_IEs_t));
// ie->id = M2AP_ProtocolIE_ID_id_Old_MCE_UE_M2AP_ID;
// ie->criticality = M2AP_Criticality_ignore;
// ie->value.present = M2AP_HandoverRequestAcknowledge_IEs__value_PR_UE_M2AP_ID;
// ie->value.choice.UE_M2AP_ID = id_source;
// asn1cSeqAdd(&out->protocolIEs.list, ie);
//
// /* mandatory */
// ie = (M2AP_HandoverRequestAcknowledge_IEs_t *)calloc(1, sizeof(M2AP_HandoverRequestAcknowledge_IEs_t));
// ie->id = M2AP_ProtocolIE_ID_id_New_MCE_UE_M2AP_ID;
// ie->criticality = M2AP_Criticality_ignore;
// ie->value.present = M2AP_HandoverRequestAcknowledge_IEs__value_PR_UE_M2AP_ID_1;
// ie->value.choice.UE_M2AP_ID_1 = id_target;
// asn1cSeqAdd(&out->protocolIEs.list, ie);
//
// /* mandatory */
// ie = (M2AP_HandoverRequestAcknowledge_IEs_t *)calloc(1, sizeof(M2AP_HandoverRequestAcknowledge_IEs_t));
// ie->id = M2AP_ProtocolIE_ID_id_E_RABs_Admitted_List;
// ie->criticality = M2AP_Criticality_ignore;
// ie->value.present = M2AP_HandoverRequestAcknowledge_IEs__value_PR_E_RABs_Admitted_List;
//
// {
// for (int i=0;i<m2ap_handover_req_ack->nb_e_rabs_tobesetup;i++) {
// e_RABS_Admitted_ItemIEs = (M2AP_E_RABs_Admitted_ItemIEs_t *)calloc(1,sizeof(M2AP_E_RABs_Admitted_ItemIEs_t));
// e_RABS_Admitted_ItemIEs->id = M2AP_ProtocolIE_ID_id_E_RABs_Admitted_Item;
// e_RABS_Admitted_ItemIEs->criticality = M2AP_Criticality_ignore;
// e_RABS_Admitted_ItemIEs->value.present = M2AP_E_RABs_Admitted_ItemIEs__value_PR_E_RABs_Admitted_Item;
// e_RABs_Admitted_Item = &e_RABS_Admitted_ItemIEs->value.choice.E_RABs_Admitted_Item;
// {
// e_RABs_Admitted_Item->e_RAB_ID = m2ap_handover_req_ack->e_rabs_tobesetup[i].e_rab_id;
// }
// asn1cSeqAdd(&ie->value.choice.E_RABs_Admitted_List.list, e_RABS_Admitted_ItemIEs);
// }
// }
//
// asn1cSeqAdd(&out->protocolIEs.list, ie);
//
// /* mandatory */
// ie = (M2AP_HandoverRequestAcknowledge_IEs_t *)calloc(1, sizeof(M2AP_HandoverRequestAcknowledge_IEs_t));
// ie->id = M2AP_ProtocolIE_ID_id_TargetMCEtoSource_MCETransparentContainer;
// ie->criticality = M2AP_Criticality_ignore;
// ie->value.present = M2AP_HandoverRequestAcknowledge_IEs__value_PR_TargetMCEtoSource_MCETransparentContainer;
//
// OCTET_STRING_fromBuf(&ie->value.choice.TargetMCEtoSource_MCETransparentContainer, (char*) m2ap_handover_req_ack->rrc_buffer, m2ap_handover_req_ack->rrc_buffer_size);
//
// asn1cSeqAdd(&out->protocolIEs.list, ie);
//
// if (m2ap_MCE_encode_pdu(&pdu, &buffer, &len) < 0) {
// M2AP_ERROR("Failed to encode X2 handover response\n");
// abort();
// return -1;
// }
//
// m2ap_MCE_itti_send_sctp_data_req(instance_p->instance, m2ap_MCE_data_p->assoc_id, buffer, len, 1);
//
// return ret;
//}
//
//int m2ap_MCE_generate_m2_ue_context_release (m2ap_MCE_instance_t *instance_p, m2ap_MCE_data_t *m2ap_MCE_data_p, m2ap_ue_context_release_t *m2ap_ue_context_release)
//{
//
// M2AP_M2AP_PDU_t pdu;
// M2AP_UEContextRelease_t *out;
// M2AP_UEContextRelease_IEs_t *ie;
// int ue_id;
// int id_source;
// int id_target;
//
// uint8_t *buffer;
// uint32_t len;
// int ret = 0;
//
// DevAssert(instance_p != NULL);
// DevAssert(m2ap_MCE_data_p != NULL);
//
// ue_id = m2ap_find_id_from_rnti(&instance_p->id_manager, m2ap_ue_context_release->rnti);
// if (ue_id == -1) {
// M2AP_ERROR("could not find UE %x\n", m2ap_ue_context_release->rnti);
// exit(1);
// }
// id_source = m2ap_id_get_id_source(&instance_p->id_manager, ue_id);
// id_target = ue_id;
//
// /* Prepare the M2AP ue context relase message to encode */
// memset(&pdu, 0, sizeof(pdu));
// pdu.present = M2AP_M2AP_PDU_PR_initiatingMessage;
// pdu.choice.initiatingMessage.procedureCode = M2AP_ProcedureCode_id_uEContextRelease;
// pdu.choice.initiatingMessage.criticality = M2AP_Criticality_ignore;
// pdu.choice.initiatingMessage.value.present = M2AP_InitiatingMessage__value_PR_UEContextRelease;
// out = &pdu.choice.initiatingMessage.value.choice.UEContextRelease;
//
// /* mandatory */
// ie = (M2AP_UEContextRelease_IEs_t *)calloc(1, sizeof(M2AP_UEContextRelease_IEs_t));
// ie->id = M2AP_ProtocolIE_ID_id_Old_MCE_UE_M2AP_ID;
// ie->criticality = M2AP_Criticality_reject;
// ie->value.present = M2AP_UEContextRelease_IEs__value_PR_UE_M2AP_ID;
// ie->value.choice.UE_M2AP_ID = id_source;
// asn1cSeqAdd(&out->protocolIEs.list, ie);
//
// /* mandatory */
// ie = (M2AP_UEContextRelease_IEs_t *)calloc(1, sizeof(M2AP_UEContextRelease_IEs_t));
// ie->id = M2AP_ProtocolIE_ID_id_New_MCE_UE_M2AP_ID;
// ie->criticality = M2AP_Criticality_reject;
// ie->value.present = M2AP_UEContextRelease_IEs__value_PR_UE_M2AP_ID_1;
// ie->value.choice.UE_M2AP_ID_1 = id_target;
// asn1cSeqAdd(&out->protocolIEs.list, ie);
//
// if (m2ap_MCE_encode_pdu(&pdu, &buffer, &len) < 0) {
// M2AP_ERROR("Failed to encode X2 UE Context Release\n");
// abort();
// return -1;
// }
//
// m2ap_MCE_itti_send_sctp_data_req(instance_p->instance, m2ap_MCE_data_p->assoc_id, buffer, len, 1);
//
// return ret;
//}
//
//int m2ap_MCE_generate_m2_handover_cancel (m2ap_MCE_instance_t *instance_p, m2ap_MCE_data_t *m2ap_MCE_data_p,
// int m2_ue_id,
// m2ap_handover_cancel_cause_t cause)
//{
// M2AP_M2AP_PDU_t pdu;
// M2AP_HandoverCancel_t *out;
// M2AP_HandoverCancel_IEs_t *ie;
// int ue_id;
// int id_source;
// int id_target;
//
// uint8_t *buffer;
// uint32_t len;
// int ret = 0;
//
// DevAssert(instance_p != NULL);
// DevAssert(m2ap_MCE_data_p != NULL);
//
// ue_id = m2_ue_id;
// id_source = ue_id;
// id_target = m2ap_id_get_id_target(&instance_p->id_manager, ue_id);
//
// /* Prepare the M2AP handover cancel message to encode */
// memset(&pdu, 0, sizeof(pdu));
// pdu.present = M2AP_M2AP_PDU_PR_initiatingMessage;
// pdu.choice.initiatingMessage.procedureCode = M2AP_ProcedureCode_id_handoverCancel;
// pdu.choice.initiatingMessage.criticality = M2AP_Criticality_ignore;
// pdu.choice.initiatingMessage.value.present = M2AP_InitiatingMessage__value_PR_HandoverCancel;
// out = &pdu.choice.initiatingMessage.value.choice.HandoverCancel;
//
// /* mandatory */
// ie = (M2AP_HandoverCancel_IEs_t *)calloc(1, sizeof(M2AP_HandoverCancel_IEs_t));
// ie->id = M2AP_ProtocolIE_ID_id_Old_MCE_UE_M2AP_ID;
// ie->criticality = M2AP_Criticality_reject;
// ie->value.present = M2AP_HandoverCancel_IEs__value_PR_UE_M2AP_ID;
// ie->value.choice.UE_M2AP_ID = id_source;
// asn1cSeqAdd(&out->protocolIEs.list, ie);
//
// /* optional */
// if (id_target != -1) {
// ie = (M2AP_HandoverCancel_IEs_t *)calloc(1, sizeof(M2AP_HandoverCancel_IEs_t));
// ie->id = M2AP_ProtocolIE_ID_id_New_MCE_UE_M2AP_ID;
// ie->criticality = M2AP_Criticality_ignore;
// ie->value.present = M2AP_HandoverCancel_IEs__value_PR_UE_M2AP_ID_1;
// ie->value.choice.UE_M2AP_ID_1 = id_target;
// asn1cSeqAdd(&out->protocolIEs.list, ie);
// }
//
// /* mandatory */
// ie = (M2AP_HandoverCancel_IEs_t *)calloc(1, sizeof(M2AP_HandoverCancel_IEs_t));
// ie->id = M2AP_ProtocolIE_ID_id_Cause;
// ie->criticality = M2AP_Criticality_ignore;
// ie->value.present = M2AP_HandoverCancel_IEs__value_PR_Cause;
// switch (cause) {
// case M2AP_T_RELOC_PREP_TIMEOUT:
// ie->value.choice.Cause.present = M2AP_Cause_PR_radioNetwork;
// ie->value.choice.Cause.choice.radioNetwork =
// M2AP_CauseRadioNetwork_trelocprep_expiry;
// break;
// case M2AP_TX2_RELOC_OVERALL_TIMEOUT:
// ie->value.choice.Cause.present = M2AP_Cause_PR_radioNetwork;
// ie->value.choice.Cause.choice.radioNetwork =
// M2AP_CauseRadioNetwork_tx2relocoverall_expiry;
// break;
// default:
// /* we can't come here */
// M2AP_ERROR("unhandled cancel cause\n");
// exit(1);
// }
// asn1cSeqAdd(&out->protocolIEs.list, ie);
//
// if (m2ap_MCE_encode_pdu(&pdu, &buffer, &len) < 0) {
// M2AP_ERROR("Failed to encode X2 Handover Cancel\n");
// abort();
// return -1;
// }
//
// m2ap_MCE_itti_send_sctp_data_req(instance_p->instance, m2ap_MCE_data_p->assoc_id, buffer, len, 1);
//
// return ret;
//}