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openairinterface5g/openair2/F1AP/f1ap_du_interface_management.c
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/*
* 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.
*-------------------------------------------------------------------------------
* For more information about the OpenAirInterface (OAI) Software Alliance:
* contact@openairinterface.org
*/
/*! \file f1ap_du_interface_management.c
* \brief f1ap interface management for DU
* \author EURECOM/NTUST
* \date 2018
* \version 0.1
* \company Eurecom
* \email: navid.nikaein@eurecom.fr, bing-kai.hong@eurecom.fr
* \note
* \warning
*/
#include "f1ap_common.h"
#include "f1ap_encoder.h"
#include "f1ap_itti_messaging.h"
#include "f1ap_du_interface_management.h"
#include "openair2/LAYER2/NR_MAC_gNB/mac_rrc_dl_handler.h"
#include "assertions.h"
#include "GNB_APP/gnb_paramdef.h"
int to_NRNRB(int nrb) {
for (int i=0; i<sizeofArray(nrb_lut); i++)
if (nrb_lut[i] == nrb)
return i;
if(!RC.nrrrc)
return 0;
AssertFatal(1==0,"nrb %d is not in the list of possible NRNRB\n",nrb);
}
int DU_handle_RESET(instance_t instance, sctp_assoc_t assoc_id, uint32_t stream, F1AP_F1AP_PDU_t *pdu)
{
LOG_D(F1AP, "DU_handle_RESET\n");\
F1AP_Reset_t *container;
F1AP_ResetIEs_t *ie;
DevAssert(pdu != NULL);
container = &pdu->choice.initiatingMessage->value.choice.Reset;
/* Reset == Non UE-related procedure -> stream 0 */
if (stream != 0) {
LOG_W(F1AP, "[SCTP %d] Received Reset on stream != 0 (%d)\n",
assoc_id, stream);
}
MessageDef *msg_p = itti_alloc_new_message(TASK_DU_F1, 0, F1AP_RESET);
msg_p->ittiMsgHeader.originInstance = assoc_id;
f1ap_reset_t *f1ap_reset = &F1AP_RESET(msg_p);
/* Transaction ID */
F1AP_FIND_PROTOCOLIE_BY_ID(F1AP_ResetIEs_t, ie, container, F1AP_ProtocolIE_ID_id_TransactionID, true);
f1ap_reset->transaction_id = ie->value.choice.TransactionID;
LOG_D(F1AP, "req->transaction_id %lu \n", f1ap_reset->transaction_id);
/* Cause */
F1AP_FIND_PROTOCOLIE_BY_ID(F1AP_ResetIEs_t, ie, container, F1AP_ProtocolIE_ID_id_Cause, true);
switch(ie->value.choice.Cause.present)
{
case F1AP_Cause_PR_radioNetwork:
LOG_D(F1AP, "Cause: Radio Network\n");
f1ap_reset->cause = F1AP_CAUSE_RADIO_NETWORK;
f1ap_reset->cause_value = ie->value.choice.Cause.choice.radioNetwork;
break;
case F1AP_Cause_PR_transport:
LOG_D(F1AP, "Cause: Transport\n");
f1ap_reset->cause = F1AP_CAUSE_TRANSPORT;
f1ap_reset->cause_value = ie->value.choice.Cause.choice.transport;
break;
case F1AP_Cause_PR_protocol:
LOG_D(F1AP, "Cause: Protocol\n");
f1ap_reset->cause = F1AP_CAUSE_PROTOCOL;
f1ap_reset->cause_value = ie->value.choice.Cause.choice.protocol;
break;
case F1AP_Cause_PR_misc:
LOG_D(F1AP, "Cause: Misc\n");
f1ap_reset->cause = F1AP_CAUSE_MISC;
f1ap_reset->cause_value = ie->value.choice.Cause.choice.misc;
break;
default:
AssertFatal(1==0,"Unknown cause\n");
}
/* ResetType */
F1AP_FIND_PROTOCOLIE_BY_ID(F1AP_ResetIEs_t, ie, container, F1AP_ProtocolIE_ID_id_ResetType, true);
switch(ie->value.choice.ResetType.present) {
case F1AP_ResetType_PR_f1_Interface:
LOG_D(F1AP, "ResetType: F1 Interface\n");
f1ap_reset->reset_type = F1AP_RESET_ALL;
break;
case F1AP_ResetType_PR_partOfF1_Interface:
LOG_D(F1AP, "ResetType: Part of F1 Interface\n");
f1ap_reset->reset_type = F1AP_RESET_PART_OF_F1_INTERFACE;
break;
default:
AssertFatal(1==0,"Unknown reset type\n");
}
/* Part of F1 Interface */
if (f1ap_reset->reset_type == F1AP_RESET_PART_OF_F1_INTERFACE) {
AssertFatal(1==0, "Not implemented yet\n");
}
f1_reset_cu_initiated(f1ap_reset);
return 0;
}
int DU_send_RESET_ACKNOWLEDGE(sctp_assoc_t assoc_id, const f1ap_reset_ack_t *ack)
{
F1AP_F1AP_PDU_t pdu= {0};
uint8_t *buffer;
uint32_t len;
/* Create */
/* 0. pdu Type */
pdu.present = F1AP_F1AP_PDU_PR_successfulOutcome;
asn1cCalloc(pdu.choice.successfulOutcome, successMsg);
successMsg->procedureCode = F1AP_ProcedureCode_id_Reset;
successMsg->criticality = F1AP_Criticality_reject;
successMsg->value.present = F1AP_SuccessfulOutcome__value_PR_ResetAcknowledge;
F1AP_ResetAcknowledge_t *f1ResetAcknowledge = &successMsg->value.choice.ResetAcknowledge;
/* mandatory */
/* c1. Transaction ID (integer value) */
asn1cSequenceAdd(f1ResetAcknowledge->protocolIEs.list, F1AP_ResetAcknowledgeIEs_t, ieC1);
ieC1->id = F1AP_ProtocolIE_ID_id_TransactionID;
ieC1->criticality = F1AP_Criticality_reject;
ieC1->value.present = F1AP_ResetAcknowledgeIEs__value_PR_TransactionID;
ieC1->value.choice.TransactionID = ack->transaction_id;
/* TODO: (Optional) partialF1Interface, criticality diagnostics */
/* encode */
if (f1ap_encode_pdu(&pdu, &buffer, &len) < 0) {
LOG_E(F1AP, "Failed to encode F1ResetAcknowledge\n");
return -1;
}
/* send */
ASN_STRUCT_RESET(asn_DEF_F1AP_F1AP_PDU, &pdu);
f1ap_itti_send_sctp_data_req(assoc_id, buffer, len);
return 0;
}
int DU_send_RESET(sctp_assoc_t assoc_id, const f1ap_reset_t *reset)
{
AssertFatal(1==0,"Not implemented yet\n");
}
int DU_handle_RESET_ACKNOWLEDGE(instance_t instance, sctp_assoc_t assoc_id, uint32_t stream, F1AP_F1AP_PDU_t *pdu)
{
AssertFatal(1==0,"Not implemented yet\n");
}
/*
Error Indication
*/
int DU_send_ERROR_INDICATION(sctp_assoc_t assoc_id, F1AP_F1AP_PDU_t *pdu_p)
{
AssertFatal(1==0,"Not implemented yet\n");
}
int DU_handle_ERROR_INDICATION(instance_t instance, sctp_assoc_t assoc_id, uint32_t stream, F1AP_F1AP_PDU_t *pdu)
{
AssertFatal(1==0,"Not implemented yet\n");
}
static F1AP_Served_Cell_Information_t encode_served_cell_info(const f1ap_served_cell_info_t *c)
{
/* 4.1.1 served cell Information */
F1AP_Served_Cell_Information_t scell_info = {0};
addnRCGI(scell_info.nRCGI, c);
/* - nRPCI */
scell_info.nRPCI = c->nr_pci; // int 0..1007
/* - fiveGS_TAC */
if (c->tac != NULL) {
uint32_t tac = htonl(*c->tac);
asn1cCalloc(scell_info.fiveGS_TAC, netOrder);
OCTET_STRING_fromBuf(netOrder, ((char *)&tac) + 1, 3);
}
/* - Configured_EPS_TAC */
if (0) {
scell_info.configured_EPS_TAC = (F1AP_Configured_EPS_TAC_t *)calloc(1, sizeof(F1AP_Configured_EPS_TAC_t));
OCTET_STRING_fromBuf(scell_info.configured_EPS_TAC, "2", 2);
}
/* servedPLMN information */
asn1cSequenceAdd(scell_info.servedPLMNs.list, F1AP_ServedPLMNs_Item_t, servedPLMN_item);
MCC_MNC_TO_PLMNID(c->plmn.mcc, c->plmn.mnc, c->plmn.mnc_digit_length, &servedPLMN_item->pLMN_Identity);
F1AP_NR_Mode_Info_t *nR_Mode_Info = &scell_info.nR_Mode_Info;
if (c->num_ssi > 0) {
F1AP_ProtocolExtensionContainer_10696P34_t *p = calloc(1, sizeof(*p));
servedPLMN_item->iE_Extensions = (struct F1AP_ProtocolExtensionContainer *)p;
asn1cSequenceAdd(p->list, F1AP_ServedPLMNs_ItemExtIEs_t, served_plmns_itemExtIEs);
served_plmns_itemExtIEs->criticality = F1AP_Criticality_ignore;
served_plmns_itemExtIEs->id = F1AP_ProtocolIE_ID_id_TAISliceSupportList;
served_plmns_itemExtIEs->extensionValue.present = F1AP_ServedPLMNs_ItemExtIEs__extensionValue_PR_SliceSupportList;
F1AP_SliceSupportList_t *slice_support_list = &served_plmns_itemExtIEs->extensionValue.choice.SliceSupportList;
for (int s = 0; s < c->num_ssi; s++) {
asn1cSequenceAdd(slice_support_list->list, F1AP_SliceSupportItem_t, slice);
const nssai_t *nssai = &c->nssai[s];
INT8_TO_OCTET_STRING(nssai->sst, &slice->sNSSAI.sST);
if (nssai->sd != 0xffffff) {
asn1cCalloc(slice->sNSSAI.sD, tmp);
INT24_TO_OCTET_STRING(nssai->sd, tmp);
}
}
}
if (c->mode == F1AP_MODE_FDD) { // FDD
const f1ap_fdd_info_t *fdd = &c->fdd;
nR_Mode_Info->present = F1AP_NR_Mode_Info_PR_fDD;
asn1cCalloc(nR_Mode_Info->choice.fDD, fDD_Info);
/* FDD.1.1 UL NRFreqInfo ARFCN */
fDD_Info->uL_NRFreqInfo.nRARFCN = fdd->ul_freqinfo.arfcn; // Integer
/* FDD.1.2 F1AP_SUL_Information */
/* FDD.1.3 freqBandListNr */
int ul_band = 1;
for (int j = 0; j < ul_band; j++) {
asn1cSequenceAdd(fDD_Info->uL_NRFreqInfo.freqBandListNr.list, F1AP_FreqBandNrItem_t, nr_freqBandNrItem);
/* FDD.1.3.1 freqBandIndicatorNr*/
nr_freqBandNrItem->freqBandIndicatorNr = fdd->ul_freqinfo.band;
/* FDD.1.3.2 supportedSULBandList*/
}
/* FDD.2.1 DL NRFreqInfo ARFCN */
fDD_Info->dL_NRFreqInfo.nRARFCN = fdd->dl_freqinfo.arfcn; // Integer
/* FDD.2.2 F1AP_SUL_Information */
/* FDD.2.3 freqBandListNr */
int dl_bands = 1;
for (int j = 0; j < dl_bands; j++) {
asn1cSequenceAdd(fDD_Info->dL_NRFreqInfo.freqBandListNr.list, F1AP_FreqBandNrItem_t, nr_freqBandNrItem);
/* FDD.2.3.1 freqBandIndicatorNr*/
nr_freqBandNrItem->freqBandIndicatorNr = fdd->dl_freqinfo.band;
/* FDD.2.3.2 supportedSULBandList*/
} // for FDD : DL freq_Bands
/* FDD.3 UL Transmission Bandwidth */
fDD_Info->uL_Transmission_Bandwidth.nRSCS = fdd->ul_tbw.scs;
fDD_Info->uL_Transmission_Bandwidth.nRNRB = to_NRNRB(fdd->ul_tbw.nrb);
/* FDD.4 DL Transmission Bandwidth */
fDD_Info->dL_Transmission_Bandwidth.nRSCS = fdd->dl_tbw.scs;
fDD_Info->dL_Transmission_Bandwidth.nRNRB = to_NRNRB(fdd->dl_tbw.nrb);
} else if (c->mode == F1AP_MODE_TDD) {
const f1ap_tdd_info_t *tdd = &c->tdd;
nR_Mode_Info->present = F1AP_NR_Mode_Info_PR_tDD;
asn1cCalloc(nR_Mode_Info->choice.tDD, tDD_Info);
/* TDD.1.1 nRFreqInfo ARFCN */
tDD_Info->nRFreqInfo.nRARFCN = tdd->freqinfo.arfcn;
/* TDD.1.2 F1AP_SUL_Information */
/* TDD.1.3 freqBandListNr */
int bands = 1;
for (int j = 0; j < bands; j++) {
asn1cSequenceAdd(tDD_Info->nRFreqInfo.freqBandListNr.list, F1AP_FreqBandNrItem_t, nr_freqBandNrItem);
/* TDD.1.3.1 freqBandIndicatorNr*/
nr_freqBandNrItem->freqBandIndicatorNr = tdd->freqinfo.band;
/* TDD.1.3.2 supportedSULBandList*/
}
/* TDD.2 transmission_Bandwidth */
tDD_Info->transmission_Bandwidth.nRSCS = tdd->tbw.scs;
tDD_Info->transmission_Bandwidth.nRNRB = to_NRNRB(tdd->tbw.nrb);
} else {
AssertFatal(false, "unknown mode %d\n", c->mode);
}
/* - measurementTimingConfiguration */
OCTET_STRING_fromBuf(&scell_info.measurementTimingConfiguration,
(const char *)c->measurement_timing_config,
c->measurement_timing_config_len);
return scell_info;
}
static F1AP_GNB_DU_System_Information_t *encode_system_info(const f1ap_gnb_du_system_info_t *sys_info)
{
if (sys_info == NULL)
return NULL; /* optional: can be NULL */
F1AP_GNB_DU_System_Information_t *enc_sys_info = calloc(1, sizeof(*enc_sys_info));
AssertFatal(enc_sys_info != NULL, "out of memory\n");
AssertFatal(sys_info->mib != NULL, "MIB must be present in DU sys info\n");
OCTET_STRING_fromBuf(&enc_sys_info->mIB_message, (const char *)sys_info->mib, sys_info->mib_length);
AssertFatal(sys_info->sib1 != NULL, "SIB1 must be present in DU sys info\n");
OCTET_STRING_fromBuf(&enc_sys_info->sIB1_message, (const char *)sys_info->sib1, sys_info->sib1_length);
return enc_sys_info;
}
// SETUP REQUEST
int DU_send_F1_SETUP_REQUEST(sctp_assoc_t assoc_id, const f1ap_setup_req_t *setup_req)
{
LOG_D(F1AP, "DU_send_F1_SETUP_REQUEST\n");
F1AP_F1AP_PDU_t pdu= {0};
uint8_t *buffer;
uint32_t len;
/* Create */
/* 0. pdu Type */
pdu.present = F1AP_F1AP_PDU_PR_initiatingMessage;
asn1cCalloc(pdu.choice.initiatingMessage, initMsg);
initMsg->procedureCode = F1AP_ProcedureCode_id_F1Setup;
initMsg->criticality = F1AP_Criticality_reject;
initMsg->value.present = F1AP_InitiatingMessage__value_PR_F1SetupRequest;
F1AP_F1SetupRequest_t *f1Setup = &initMsg->value.choice.F1SetupRequest;
/* mandatory */
/* c1. Transaction ID (integer value) */
asn1cSequenceAdd(f1Setup->protocolIEs.list, F1AP_F1SetupRequestIEs_t, ieC1);
ieC1->id = F1AP_ProtocolIE_ID_id_TransactionID;
ieC1->criticality = F1AP_Criticality_reject;
ieC1->value.present = F1AP_F1SetupRequestIEs__value_PR_TransactionID;
ieC1->value.choice.TransactionID = F1AP_get_next_transaction_identifier(0, 0);
/* mandatory */
/* c2. GNB_DU_ID (integer value) */
asn1cSequenceAdd(f1Setup->protocolIEs.list, F1AP_F1SetupRequestIEs_t, ieC2);
ieC2->id = F1AP_ProtocolIE_ID_id_gNB_DU_ID;
ieC2->criticality = F1AP_Criticality_reject;
ieC2->value.present = F1AP_F1SetupRequestIEs__value_PR_GNB_DU_ID;
asn_int642INTEGER(&ieC2->value.choice.GNB_DU_ID, setup_req->gNB_DU_id);
/* optional */
/* c3. GNB_DU_Name */
if (setup_req->gNB_DU_name != NULL) {
asn1cSequenceAdd(f1Setup->protocolIEs.list, F1AP_F1SetupRequestIEs_t, ieC3);
ieC3->id = F1AP_ProtocolIE_ID_id_gNB_DU_Name;
ieC3->criticality = F1AP_Criticality_ignore;
ieC3->value.present = F1AP_F1SetupRequestIEs__value_PR_GNB_DU_Name;
char *gNB_DU_name=setup_req->gNB_DU_name;
OCTET_STRING_fromBuf(&ieC3->value.choice.GNB_DU_Name, gNB_DU_name, strlen(gNB_DU_name));
}
/* mandatory */
/* c4. served cells list */
asn1cSequenceAdd(f1Setup->protocolIEs.list, F1AP_F1SetupRequestIEs_t, ieCells);
ieCells->id = F1AP_ProtocolIE_ID_id_gNB_DU_Served_Cells_List;
ieCells->criticality = F1AP_Criticality_reject;
ieCells->value.present = F1AP_F1SetupRequestIEs__value_PR_GNB_DU_Served_Cells_List;
int num_cells_available = setup_req->num_cells_available;
LOG_D(F1AP, "num_cells_available = %d \n", num_cells_available);
for (int i=0; i<num_cells_available; i++) {
/* mandatory */
/* 4.1 served cells item */
const f1ap_served_cell_info_t *cell = &setup_req->cell[i].info;
const f1ap_gnb_du_system_info_t *sys_info = setup_req->cell[i].sys_info;
asn1cSequenceAdd(ieCells->value.choice.GNB_DU_Served_Cells_List.list,
F1AP_GNB_DU_Served_Cells_ItemIEs_t, duServedCell);
duServedCell->id = F1AP_ProtocolIE_ID_id_GNB_DU_Served_Cells_Item;
duServedCell->criticality = F1AP_Criticality_reject;
duServedCell->value.present = F1AP_GNB_DU_Served_Cells_ItemIEs__value_PR_GNB_DU_Served_Cells_Item;
F1AP_GNB_DU_Served_Cells_Item_t *scell_item = &duServedCell->value.choice.GNB_DU_Served_Cells_Item;
scell_item->served_Cell_Information = encode_served_cell_info(cell);
scell_item->gNB_DU_System_Information = encode_system_info(sys_info);
}
/* mandatory */
/* c5. RRC VERSION */
asn1cSequenceAdd(f1Setup->protocolIEs.list, F1AP_F1SetupRequestIEs_t, ie2);
ie2->id = F1AP_ProtocolIE_ID_id_GNB_DU_RRC_Version;
ie2->criticality = F1AP_Criticality_reject;
ie2->value.present = F1AP_F1SetupRequestIEs__value_PR_RRC_Version;
// RRC Version: "This IE is not used in this release."
// we put one bit for each byte in rrc_ver that is != 0
uint8_t bits = 0;
for (int i = 0; i < 3; ++i)
bits |= (setup_req->rrc_ver[i] != 0) << i;
BIT_STRING_t *bs = &ie2->value.choice.RRC_Version.latest_RRC_Version;
bs->buf = calloc(1, sizeof(char));
AssertFatal(bs->buf != NULL, "out of memory\n");
bs->buf[0] = bits;
bs->size = 1;
bs->bits_unused = 5;
F1AP_ProtocolExtensionContainer_10696P228_t *p = calloc(1, sizeof(F1AP_ProtocolExtensionContainer_10696P228_t));
asn1cSequenceAdd(p->list, F1AP_RRC_Version_ExtIEs_t, rrcv_ext);
rrcv_ext->id = F1AP_ProtocolIE_ID_id_latest_RRC_Version_Enhanced;
rrcv_ext->criticality = F1AP_Criticality_ignore;
rrcv_ext->extensionValue.present = F1AP_RRC_Version_ExtIEs__extensionValue_PR_OCTET_STRING_SIZE_3_;
OCTET_STRING_t *os = &rrcv_ext->extensionValue.choice.OCTET_STRING_SIZE_3_;
os->size = 3;
os->buf = malloc(3 * sizeof(*os->buf));
AssertFatal(os->buf != NULL, "out of memory\n");
for (int i = 0; i < 3; ++i)
os->buf[i] = setup_req->rrc_ver[i];
ie2->value.choice.RRC_Version.iE_Extensions = (struct F1AP_ProtocolExtensionContainer*)p;
/* encode */
if (f1ap_encode_pdu(&pdu, &buffer, &len) < 0) {
LOG_E(F1AP, "Failed to encode F1 setup request\n");
return -1;
}
ASN_STRUCT_RESET(asn_DEF_F1AP_F1AP_PDU, &pdu);
f1ap_itti_send_sctp_data_req(assoc_id, buffer, len);
return 0;
}
int DU_handle_F1_SETUP_RESPONSE(instance_t instance, sctp_assoc_t assoc_id, uint32_t stream, F1AP_F1AP_PDU_t *pdu)
{
LOG_D(F1AP, "DU_handle_F1_SETUP_RESPONSE\n");
AssertFatal(pdu->present == F1AP_F1AP_PDU_PR_successfulOutcome,
"pdu->present != F1AP_F1AP_PDU_PR_successfulOutcome\n");
AssertFatal(pdu->choice.successfulOutcome->procedureCode == F1AP_ProcedureCode_id_F1Setup,
"pdu->choice.successfulOutcome->procedureCode != F1AP_ProcedureCode_id_F1Setup\n");
AssertFatal(pdu->choice.successfulOutcome->criticality == F1AP_Criticality_reject,
"pdu->choice.successfulOutcome->criticality != F1AP_Criticality_reject\n");
AssertFatal(pdu->choice.successfulOutcome->value.present == F1AP_SuccessfulOutcome__value_PR_F1SetupResponse,
"pdu->choice.successfulOutcome->value.present != F1AP_SuccessfulOutcome__value_PR_F1SetupResponse\n");
F1AP_F1SetupResponse_t *in = &pdu->choice.successfulOutcome->value.choice.F1SetupResponse;
F1AP_F1SetupResponseIEs_t *ie;
int TransactionId = -1;
int num_cells_to_activate = 0;
f1ap_setup_resp_t resp = {0};
for (int i=0; i < in->protocolIEs.list.count; i++) {
ie = in->protocolIEs.list.array[i];
switch (ie->id) {
case F1AP_ProtocolIE_ID_id_TransactionID:
AssertFatal(ie->criticality == F1AP_Criticality_reject,
"ie->criticality != F1AP_Criticality_reject\n");
AssertFatal(ie->value.present == F1AP_F1SetupResponseIEs__value_PR_TransactionID,
"ie->value.present != F1AP_F1SetupResponseIEs__value_PR_TransactionID\n");
TransactionId=ie->value.choice.TransactionID;
LOG_D(F1AP, "F1AP: F1Setup-Resp: TransactionId %d\n",
TransactionId);
break;
case F1AP_ProtocolIE_ID_id_gNB_CU_Name:
AssertFatal(ie->criticality == F1AP_Criticality_ignore,
"ie->criticality != F1AP_Criticality_ignore\n");
AssertFatal(ie->value.present == F1AP_F1SetupResponseIEs__value_PR_GNB_CU_Name,
"ie->value.present != F1AP_F1SetupResponseIEs__value_PR_GNB_CU_Name\n");
resp.gNB_CU_name = malloc(ie->value.choice.GNB_CU_Name.size+1);
memcpy(resp.gNB_CU_name, ie->value.choice.GNB_CU_Name.buf, ie->value.choice.GNB_CU_Name.size);
resp.gNB_CU_name[ie->value.choice.GNB_CU_Name.size] = '\0';
LOG_D(F1AP, "F1AP: F1Setup-Resp: gNB_CU_name %s\n", resp.gNB_CU_name);
break;
case F1AP_ProtocolIE_ID_id_GNB_CU_RRC_Version:
AssertFatal(ie->criticality == F1AP_Criticality_reject,
"ie->criticality != F1AP_Criticality_reject\n");
AssertFatal(ie->value.present == F1AP_F1SetupResponseIEs__value_PR_RRC_Version,
"ie->value.present != F1AP_F1SetupResponseIEs__value_PR_RRC_Version\n");
// RRC Version: "This IE is not used in this release."
if(ie->value.choice.RRC_Version.iE_Extensions) {
F1AP_ProtocolExtensionContainer_10696P228_t *ext =
(F1AP_ProtocolExtensionContainer_10696P228_t *)ie->value.choice.RRC_Version.iE_Extensions;
if(ext->list.count > 0){
F1AP_RRC_Version_ExtIEs_t *rrcext = ext->list.array[0];
OCTET_STRING_t *os = &rrcext->extensionValue.choice.OCTET_STRING_SIZE_3_;
for (int i = 0; i < 3; i++)
resp.rrc_ver[i] = os->buf[i];
}
}
break;
case F1AP_ProtocolIE_ID_id_Cells_to_be_Activated_List: {
AssertFatal(ie->criticality == F1AP_Criticality_reject,
"ie->criticality != F1AP_Criticality_reject\n");
AssertFatal(ie->value.present == F1AP_F1SetupResponseIEs__value_PR_Cells_to_be_Activated_List,
"ie->value.present != F1AP_F1SetupResponseIEs__value_PR_Cells_to_be_Activated_List\n");
num_cells_to_activate = ie->value.choice.Cells_to_be_Activated_List.list.count;
LOG_D(F1AP, "F1AP: Activating %d cells\n",num_cells_to_activate);
for (int i=0; i<num_cells_to_activate; i++) {
F1AP_Cells_to_be_Activated_List_ItemIEs_t *cells_to_be_activated_list_item_ies = (F1AP_Cells_to_be_Activated_List_ItemIEs_t *) ie->value.choice.Cells_to_be_Activated_List.list.array[i];
AssertFatal(cells_to_be_activated_list_item_ies->id == F1AP_ProtocolIE_ID_id_Cells_to_be_Activated_List_Item,
"cells_to_be_activated_list_item_ies->id != F1AP_ProtocolIE_ID_id_Cells_to_be_Activated_List_Item");
AssertFatal(cells_to_be_activated_list_item_ies->criticality == F1AP_Criticality_reject,
"cells_to_be_activated_list_item_ies->criticality == F1AP_Criticality_reject");
AssertFatal(cells_to_be_activated_list_item_ies->value.present == F1AP_Cells_to_be_Activated_List_ItemIEs__value_PR_Cells_to_be_Activated_List_Item,
"cells_to_be_activated_list_item_ies->value.present == F1AP_Cells_to_be_Activated_List_ItemIEs__value_PR_Cells_to_be_Activated_List_Item");
F1AP_Cells_to_be_Activated_List_Item_t *cell =
&cells_to_be_activated_list_item_ies->value.choice.Cells_to_be_Activated_List_Item;
TBCD_TO_MCC_MNC(&cell->nRCGI.pLMN_Identity,
resp.cells_to_activate[i].plmn.mcc,
resp.cells_to_activate[i].plmn.mnc,
resp.cells_to_activate[i].plmn.mnc_digit_length);
LOG_D(F1AP, "nr_cellId : %x %x %x %x %x\n",
cell->nRCGI.nRCellIdentity.buf[0],
cell->nRCGI.nRCellIdentity.buf[1],
cell->nRCGI.nRCellIdentity.buf[2],
cell->nRCGI.nRCellIdentity.buf[3],
cell->nRCGI.nRCellIdentity.buf[4]);
BIT_STRING_TO_NR_CELL_IDENTITY(&cell->nRCGI.nRCellIdentity, resp.cells_to_activate[i].nr_cellid);
if (cell->nRPCI != NULL)
resp.cells_to_activate[i].nrpci = *cell->nRPCI;
F1AP_ProtocolExtensionContainer_10696P112_t *ext = (F1AP_ProtocolExtensionContainer_10696P112_t *)cell->iE_Extensions;
if (ext==NULL)
continue;
for (int cnt=0; cnt<ext->list.count; cnt++) {
F1AP_Cells_to_be_Activated_List_ItemExtIEs_t *cells_to_be_activated_list_itemExtIEs=(F1AP_Cells_to_be_Activated_List_ItemExtIEs_t *)ext->list.array[cnt];
switch (cells_to_be_activated_list_itemExtIEs->id) {
/*
case F1AP_Cells_to_be_Activated_List_ItemExtIEs__extensionValue_PR_NOTHING:
case F1AP_Cells_to_be_Activated_List_ItemExtIEs__extensionValue_PR_GNB_CUSystemInformation,
case F1AP_Cells_to_be_Activated_List_ItemExtIEs__extensionValue_PR_AvailablePLMNList,
case F1AP_Cells_to_be_Activated_List_ItemExtIEs__extensionValue_PR_ExtendedAvailablePLMN_List,
case F1AP_Cells_to_be_Activated_List_ItemExtIEs__extensionValue_PR_IAB_Info_IAB_donor_CU,
case F1AP_Cells_to_be_Activated_List_ItemExtIEs__extensionValue_PR_AvailableSNPN_ID_List
*/
case F1AP_ProtocolIE_ID_id_gNB_CUSystemInformation: {
resp.cells_to_activate[i].nrpci = (cell->nRPCI != NULL) ? *cell->nRPCI : 0;
F1AP_GNB_CUSystemInformation_t *gNB_CUSystemInformation = (F1AP_GNB_CUSystemInformation_t *)&cells_to_be_activated_list_itemExtIEs->extensionValue.choice.GNB_CUSystemInformation;
resp.cells_to_activate[i].num_SI = gNB_CUSystemInformation->sibtypetobeupdatedlist.list.count;
AssertFatal(ext->list.count==1,"At least one SI message should be there, and only 1 for now!\n");
LOG_D(F1AP,
"F1AP: Cell %d MCC %d MNC %d NRCellid %lx num_si %d\n",
i,
resp.cells_to_activate[i].plmn.mcc,
resp.cells_to_activate[i].plmn.mnc,
resp.cells_to_activate[i].nr_cellid,
resp.cells_to_activate[i].num_SI);
for (int si = 0; si < gNB_CUSystemInformation->sibtypetobeupdatedlist.list.count; si++) {
F1AP_SibtypetobeupdatedListItem_t *sib_item = gNB_CUSystemInformation->sibtypetobeupdatedlist.list.array[si];
size_t size = sib_item->sIBmessage.size;
resp.cells_to_activate[i].SI_container_length[si] = size;
LOG_D(F1AP, "F1AP: SI_container_length[%d][%ld] %ld bytes\n", i, sib_item->sIBtype, size);
resp.cells_to_activate[i].SI_container[si] = malloc(resp.cells_to_activate[i].SI_container_length[si]);
memcpy(resp.cells_to_activate[i].SI_container[si], sib_item->sIBmessage.buf, size);
resp.cells_to_activate[i].SI_type[si]=sib_item->sIBtype;
}
break;
}
case F1AP_ProtocolIE_ID_id_AvailablePLMNList:
AssertFatal(1==0,"F1AP_ProtocolIE_ID_id_AvailablePLMNList not supported yet\n");
break;
case F1AP_ProtocolIE_ID_id_ExtendedAvailablePLMN_List:
AssertFatal(1==0,"F1AP_ProtocolIE_ID_id_AvailablePLMNList not supported yet\n");
break;
case F1AP_ProtocolIE_ID_id_IAB_Info_IAB_donor_CU:
AssertFatal(1==0,"F1AP_ProtocolIE_ID_id_AvailablePLMNList not supported yet\n");
break;
case F1AP_ProtocolIE_ID_id_AvailableSNPN_ID_List:
AssertFatal(1==0,"F1AP_ProtocolIE_ID_id_AvailablePLMNList not supported yet\n");
break;
default:
AssertFatal(1==0,"F1AP_ProtocolIE_ID_id %d unknown\n",(int)cells_to_be_activated_list_itemExtIEs->id);
break;
}
} // for (cnt=...
} // for (cells_to_activate...
break;
} // case F1AP_ProtocolIE_ID_id_Cells_to_be_Activated_List
default:
AssertFatal(1==0,"F1AP_ProtocolIE_ID_id %d unknown\n", (int)ie->id);
break;
} // switch ie
} // for IE
AssertFatal(TransactionId!=-1,"TransactionId was not sent\n");
LOG_D(F1AP,"F1AP: num_cells_to_activate %d\n",num_cells_to_activate);
resp.num_cells_to_activate = num_cells_to_activate;
// tmp
for (int i=0; i<num_cells_to_activate; i++)
AssertFatal(resp.cells_to_activate[i].num_SI == 0, "System Information handling not implemented");
LOG_D(F1AP, "Sending F1AP_SETUP_RESP ITTI message\n");
f1_setup_response(&resp);
return 0;
}
// SETUP FAILURE
int DU_handle_F1_SETUP_FAILURE(instance_t instance, sctp_assoc_t assoc_id, uint32_t stream, F1AP_F1AP_PDU_t *pdu)
{
F1AP_F1SetupFailure_t *out;
F1AP_F1SetupFailureIEs_t *ie;
f1ap_setup_failure_t fail = {0};
out = &pdu->choice.unsuccessfulOutcome->value.choice.F1SetupFailure;
/* Transaction ID */
F1AP_FIND_PROTOCOLIE_BY_ID(F1AP_F1SetupFailureIEs_t, ie, out, F1AP_ProtocolIE_ID_id_TransactionID, true);
/* Cause */
F1AP_FIND_PROTOCOLIE_BY_ID(F1AP_F1SetupFailureIEs_t, ie, out,
F1AP_ProtocolIE_ID_id_Cause, true);
if(0) {
/* TimeToWait */
F1AP_FIND_PROTOCOLIE_BY_ID(F1AP_F1SetupFailureIEs_t, ie, out,
F1AP_ProtocolIE_ID_id_TimeToWait, true);
}
f1_setup_failure(&fail);
return 0;
}
/*
gNB-DU Configuration Update
*/
int DU_send_gNB_DU_CONFIGURATION_UPDATE(sctp_assoc_t assoc_id, const f1ap_gnb_du_configuration_update_t *upd)
{
F1AP_F1AP_PDU_t pdu= {0};
uint8_t *buffer=NULL;
uint32_t len=0;
/* Create */
/* 0. Message Type */
pdu.present = F1AP_F1AP_PDU_PR_initiatingMessage;
asn1cCalloc(pdu.choice.initiatingMessage, initMsg);
initMsg->procedureCode = F1AP_ProcedureCode_id_gNBDUConfigurationUpdate;
initMsg->criticality = F1AP_Criticality_reject;
initMsg->value.present = F1AP_InitiatingMessage__value_PR_GNBDUConfigurationUpdate;
F1AP_GNBDUConfigurationUpdate_t *out = &initMsg->value.choice.GNBDUConfigurationUpdate;
/* mandatory */
/* c1. Transaction ID (integer value) */
asn1cSequenceAdd(out->protocolIEs.list, F1AP_GNBDUConfigurationUpdateIEs_t, ie1);
ie1->id = F1AP_ProtocolIE_ID_id_TransactionID;
ie1->criticality = F1AP_Criticality_reject;
ie1->value.present = F1AP_GNBDUConfigurationUpdateIEs__value_PR_TransactionID;
ie1->value.choice.TransactionID = upd->transaction_id;
/* mandatory */
/* c2. Served_Cells_To_Add */
if (upd->num_cells_to_add > 0) {
AssertFatal(false, "code for adding cells not tested\n");
asn1cSequenceAdd(out->protocolIEs.list, F1AP_GNBDUConfigurationUpdateIEs_t, ie2);
ie2->id = F1AP_ProtocolIE_ID_id_Served_Cells_To_Add_List;
ie2->criticality = F1AP_Criticality_reject;
ie2->value.present = F1AP_GNBDUConfigurationUpdateIEs__value_PR_Served_Cells_To_Add_List;
for (int j = 0; j < upd->num_cells_to_add; j++) {
const f1ap_served_cell_info_t *cell = &upd->cell_to_add[j].info;
const f1ap_gnb_du_system_info_t *sys_info = upd->cell_to_add[j].sys_info;
asn1cSequenceAdd(ie2->value.choice.Served_Cells_To_Add_List.list,
F1AP_Served_Cells_To_Add_ItemIEs_t,
served_cells_to_add_item_ies);
served_cells_to_add_item_ies->id = F1AP_ProtocolIE_ID_id_Served_Cells_To_Add_Item;
served_cells_to_add_item_ies->criticality = F1AP_Criticality_reject;
served_cells_to_add_item_ies->value.present = F1AP_Served_Cells_To_Add_ItemIEs__value_PR_Served_Cells_To_Add_Item;
F1AP_Served_Cells_To_Add_Item_t *served_cells_to_add_item =
&served_cells_to_add_item_ies->value.choice.Served_Cells_To_Add_Item;
served_cells_to_add_item->served_Cell_Information = encode_served_cell_info(cell);
served_cells_to_add_item->gNB_DU_System_Information = encode_system_info(sys_info);
}
}
/* mandatory */
/* c3. Served_Cells_To_Modify */
if (upd->num_cells_to_modify > 0) {
asn1cSequenceAdd(out->protocolIEs.list, F1AP_GNBDUConfigurationUpdateIEs_t, ie3);
ie3->id = F1AP_ProtocolIE_ID_id_Served_Cells_To_Modify_List;
ie3->criticality = F1AP_Criticality_reject;
ie3->value.present = F1AP_GNBDUConfigurationUpdateIEs__value_PR_Served_Cells_To_Modify_List;
for (int i = 0; i < upd->num_cells_to_modify; i++) {
const f1ap_served_cell_info_t *cell = &upd->cell_to_modify[i].info;
const f1ap_gnb_du_system_info_t *sys_info = upd->cell_to_modify[i].sys_info;
asn1cSequenceAdd(ie3->value.choice.Served_Cells_To_Modify_List.list,
F1AP_Served_Cells_To_Modify_ItemIEs_t,
served_cells_to_modify_item_ies);
served_cells_to_modify_item_ies->id = F1AP_ProtocolIE_ID_id_Served_Cells_To_Modify_Item;
served_cells_to_modify_item_ies->criticality = F1AP_Criticality_reject;
served_cells_to_modify_item_ies->value.present = F1AP_Served_Cells_To_Modify_ItemIEs__value_PR_Served_Cells_To_Modify_Item;
F1AP_Served_Cells_To_Modify_Item_t *served_cells_to_modify_item =
&served_cells_to_modify_item_ies->value.choice.Served_Cells_To_Modify_Item;
F1AP_NRCGI_t *oldNRCGI = &served_cells_to_modify_item->oldNRCGI;
const f1ap_plmn_t *old_plmn = &upd->cell_to_modify[i].old_plmn;
MCC_MNC_TO_PLMNID(old_plmn->mcc, old_plmn->mnc, old_plmn->mnc_digit_length, &oldNRCGI->pLMN_Identity);
NR_CELL_ID_TO_BIT_STRING(upd->cell_to_modify[i].old_nr_cellid, &oldNRCGI->nRCellIdentity);
served_cells_to_modify_item->served_Cell_Information = encode_served_cell_info(cell);
served_cells_to_modify_item->gNB_DU_System_Information = encode_system_info(sys_info);
}
}
/* mandatory */
/* c4. Served_Cells_To_Delete */
if (upd->num_cells_to_delete > 0) {
asn1cSequenceAdd(out->protocolIEs.list, F1AP_GNBDUConfigurationUpdateIEs_t, ie4);
ie4->id = F1AP_ProtocolIE_ID_id_Served_Cells_To_Delete_List;
ie4->criticality = F1AP_Criticality_reject;
ie4->value.present = F1AP_GNBDUConfigurationUpdateIEs__value_PR_Served_Cells_To_Delete_List;
AssertFatal(upd->num_cells_to_delete == 0, "code for deleting cells not tested\n");
for (int i = 0; i < upd->num_cells_to_delete; i++) {
asn1cSequenceAdd(ie4->value.choice.Served_Cells_To_Delete_List.list,
F1AP_Served_Cells_To_Delete_ItemIEs_t,
served_cells_to_delete_item_ies);
served_cells_to_delete_item_ies->id = F1AP_ProtocolIE_ID_id_Served_Cells_To_Delete_Item;
served_cells_to_delete_item_ies->criticality = F1AP_Criticality_reject;
served_cells_to_delete_item_ies->value.present = F1AP_Served_Cells_To_Delete_ItemIEs__value_PR_Served_Cells_To_Delete_Item;
F1AP_Served_Cells_To_Delete_Item_t *served_cells_to_delete_item =
&served_cells_to_delete_item_ies->value.choice.Served_Cells_To_Delete_Item;
addnRCGI(served_cells_to_delete_item->oldNRCGI, &upd->cell_to_delete[i]);
}
}
AssertFatal(upd->gNB_DU_ID == 0, "encoding of gNB-DU Id not handled yet\n");
if (f1ap_encode_pdu(&pdu, &buffer, &len) < 0) {
LOG_E(F1AP, "Failed to encode F1 gNB-DU CONFIGURATION UPDATE\n");
return -1;
}
ASN_STRUCT_RESET(asn_DEF_F1AP_F1AP_PDU, &pdu);
f1ap_itti_send_sctp_data_req(assoc_id, buffer, len);
return 0;
}
int DU_handle_gNB_DU_CONFIGURATION_FAILURE(instance_t instance, sctp_assoc_t assoc_id, uint32_t stream, F1AP_F1AP_PDU_t *pdu)
{
AssertFatal(1==0,"Not implemented yet\n");
}
int DU_handle_gNB_DU_CONFIGURATION_UPDATE_ACKNOWLEDGE(instance_t instance,
sctp_assoc_t assoc_id,
uint32_t stream,
F1AP_F1AP_PDU_t *pdu)
{
AssertFatal(1==0,"Not implemented yet\n");
}
int DU_handle_gNB_CU_CONFIGURATION_UPDATE(instance_t instance, sctp_assoc_t assoc_id, uint32_t stream, F1AP_F1AP_PDU_t *pdu)
{
LOG_D(F1AP, "DU_handle_gNB_CU_CONFIGURATION_UPDATE\n");
AssertFatal(pdu->present == F1AP_F1AP_PDU_PR_initiatingMessage,
"pdu->present != F1AP_F1AP_PDU_PR_initiatingMessage\n");
AssertFatal(pdu->choice.initiatingMessage->procedureCode == F1AP_ProcedureCode_id_gNBCUConfigurationUpdate,
"pdu->choice.initiatingMessage->procedureCode != F1AP_ProcedureCode_id_gNBCUConfigurationUpdate\n");
AssertFatal(pdu->choice.initiatingMessage->criticality == F1AP_Criticality_reject,
"pdu->choice.initiatingMessage->criticality != F1AP_Criticality_reject\n");
AssertFatal(pdu->choice.initiatingMessage->value.present == F1AP_InitiatingMessage__value_PR_GNBCUConfigurationUpdate,
"pdu->choice.initiatingMessage->value.present != F1AP_InitiatingMessage__value_PR_GNBCUConfigurationUpdate\n");
F1AP_GNBCUConfigurationUpdate_t *in = &pdu->choice.initiatingMessage->value.choice.GNBCUConfigurationUpdate;
F1AP_GNBCUConfigurationUpdateIEs_t *ie;
int TransactionId = -1;
int num_cells_to_activate = 0;
F1AP_Cells_to_be_Activated_List_Item_t *cell;
MessageDef *msg_p = itti_alloc_new_message (TASK_DU_F1, 0, F1AP_GNB_CU_CONFIGURATION_UPDATE);
LOG_D(F1AP, "F1AP: gNB_CU_Configuration_Update: protocolIEs.list.count %d\n",
in->protocolIEs.list.count);
for (int i=0; i < in->protocolIEs.list.count; i++) {
ie = in->protocolIEs.list.array[i];
switch (ie->id) {
case F1AP_ProtocolIE_ID_id_TransactionID:
AssertFatal(ie->criticality == F1AP_Criticality_reject,
"ie->criticality != F1AP_Criticality_reject\n");
AssertFatal(ie->value.present == F1AP_GNBCUConfigurationUpdateIEs__value_PR_TransactionID,
"ie->value.present != F1AP_GNBCUConfigurationUpdateIEs__value_PR_TransactionID\n");
TransactionId=ie->value.choice.TransactionID;
LOG_D(F1AP, "F1AP: GNB-CU-ConfigurationUpdate: TransactionId %d\n",
TransactionId);
break;
case F1AP_ProtocolIE_ID_id_Cells_to_be_Activated_List: {
AssertFatal(ie->criticality == F1AP_Criticality_reject,
"ie->criticality != F1AP_Criticality_reject\n");
AssertFatal(ie->value.present == F1AP_GNBCUConfigurationUpdateIEs__value_PR_Cells_to_be_Activated_List,
"ie->value.present != F1AP_GNBCUConfigurationUpdateIEs__value_PR_Cells_to_be_Activated_List\n");
num_cells_to_activate = ie->value.choice.Cells_to_be_Activated_List.list.count;
LOG_D(F1AP, "F1AP: Activating %d cells\n",num_cells_to_activate);
for (int i=0; i<num_cells_to_activate; i++) {
F1AP_Cells_to_be_Activated_List_ItemIEs_t *cells_to_be_activated_list_item_ies = (F1AP_Cells_to_be_Activated_List_ItemIEs_t *) ie->value.choice.Cells_to_be_Activated_List.list.array[i];
AssertFatal(cells_to_be_activated_list_item_ies->id == F1AP_ProtocolIE_ID_id_Cells_to_be_Activated_List_Item,
"cells_to_be_activated_list_item_ies->id != F1AP_ProtocolIE_ID_id_Cells_to_be_Activated_List_Item");
AssertFatal(cells_to_be_activated_list_item_ies->criticality == F1AP_Criticality_reject,
"cells_to_be_activated_list_item_ies->criticality == F1AP_Criticality_reject");
AssertFatal(cells_to_be_activated_list_item_ies->value.present == F1AP_Cells_to_be_Activated_List_ItemIEs__value_PR_Cells_to_be_Activated_List_Item,
"cells_to_be_activated_list_item_ies->value.present == F1AP_Cells_to_be_Activated_List_ItemIEs__value_PR_Cells_to_be_Activated_List_Item");
cell = &cells_to_be_activated_list_item_ies->value.choice.Cells_to_be_Activated_List_Item;
TBCD_TO_MCC_MNC(&cell->nRCGI.pLMN_Identity,
F1AP_GNB_CU_CONFIGURATION_UPDATE(msg_p).cells_to_activate[i].plmn.mcc,
F1AP_GNB_CU_CONFIGURATION_UPDATE(msg_p).cells_to_activate[i].plmn.mnc,
F1AP_GNB_CU_CONFIGURATION_UPDATE(msg_p).cells_to_activate[i].plmn.mnc_digit_length);
LOG_D(F1AP, "nr_cellId : %x %x %x %x %x\n",
cell->nRCGI.nRCellIdentity.buf[0],
cell->nRCGI.nRCellIdentity.buf[1],
cell->nRCGI.nRCellIdentity.buf[2],
cell->nRCGI.nRCellIdentity.buf[3],
cell->nRCGI.nRCellIdentity.buf[4]);
BIT_STRING_TO_NR_CELL_IDENTITY(&cell->nRCGI.nRCellIdentity,
F1AP_GNB_CU_CONFIGURATION_UPDATE (msg_p).cells_to_activate[i].nr_cellid);
F1AP_ProtocolExtensionContainer_10696P112_t *ext = (F1AP_ProtocolExtensionContainer_10696P112_t *)cell->iE_Extensions;
if (ext==NULL)
continue;
for (int cnt=0; cnt<ext->list.count; cnt++) {
F1AP_Cells_to_be_Activated_List_ItemExtIEs_t *cells_to_be_activated_list_itemExtIEs=(F1AP_Cells_to_be_Activated_List_ItemExtIEs_t *)ext->list.array[cnt];
switch (cells_to_be_activated_list_itemExtIEs->id) {
/*
case F1AP_Cells_to_be_Activated_List_ItemExtIEs__extensionValue_PR_NOTHING:
case F1AP_Cells_to_be_Activated_List_ItemExtIEs__extensionValue_PR_GNB_CUSystemInformation,
case F1AP_Cells_to_be_Activated_List_ItemExtIEs__extensionValue_PR_AvailablePLMNList,
case F1AP_Cells_to_be_Activated_List_ItemExtIEs__extensionValue_PR_ExtendedAvailablePLMN_List,
case F1AP_Cells_to_be_Activated_List_ItemExtIEs__extensionValue_PR_IAB_Info_IAB_donor_CU,
case F1AP_Cells_to_be_Activated_List_ItemExtIEs__extensionValue_PR_AvailableSNPN_ID_List
*/
case F1AP_ProtocolIE_ID_id_gNB_CUSystemInformation: {
F1AP_GNB_CU_CONFIGURATION_UPDATE (msg_p).cells_to_activate[i].nrpci = (cell->nRPCI != NULL) ? *cell->nRPCI : 0;
F1AP_GNB_CUSystemInformation_t *gNB_CUSystemInformation = (F1AP_GNB_CUSystemInformation_t *)&cells_to_be_activated_list_itemExtIEs->extensionValue.choice.GNB_CUSystemInformation;
F1AP_GNB_CU_CONFIGURATION_UPDATE (msg_p).cells_to_activate[i].num_SI = gNB_CUSystemInformation->sibtypetobeupdatedlist.list.count;
AssertFatal(ext->list.count==1,"At least one SI message should be there, and only 1 for now!\n");
LOG_D(F1AP,
"F1AP: Cell %d MCC %d MNC %d NRCellid %lx num_si %d\n",
i,
F1AP_GNB_CU_CONFIGURATION_UPDATE(msg_p).cells_to_activate[i].plmn.mcc,
F1AP_GNB_CU_CONFIGURATION_UPDATE(msg_p).cells_to_activate[i].plmn.mnc,
F1AP_GNB_CU_CONFIGURATION_UPDATE(msg_p).cells_to_activate[i].nr_cellid,
F1AP_GNB_CU_CONFIGURATION_UPDATE(msg_p).cells_to_activate[i].num_SI);
for (int si = 0; si < gNB_CUSystemInformation->sibtypetobeupdatedlist.list.count; si++) {
F1AP_SibtypetobeupdatedListItem_t *sib_item = gNB_CUSystemInformation->sibtypetobeupdatedlist.list.array[si];
size_t size = sib_item->sIBmessage.size;
F1AP_GNB_CU_CONFIGURATION_UPDATE (msg_p).cells_to_activate[i].SI_container_length[si] = size;
LOG_D(F1AP, "F1AP: SI_container_length[%d][%ld] %ld bytes\n", i, sib_item->sIBtype, size);
F1AP_GNB_CU_CONFIGURATION_UPDATE (msg_p).cells_to_activate[i].SI_container[si] = malloc(F1AP_GNB_CU_CONFIGURATION_UPDATE (msg_p).cells_to_activate[i].SI_container_length[si]);
memcpy((void *)F1AP_GNB_CU_CONFIGURATION_UPDATE (msg_p).cells_to_activate[i].SI_container[si],
(void *)sib_item->sIBmessage.buf,
size);
F1AP_GNB_CU_CONFIGURATION_UPDATE (msg_p).cells_to_activate[i].SI_type[si]=sib_item->sIBtype;
}
break;
}
case F1AP_ProtocolIE_ID_id_AvailablePLMNList:
AssertFatal(1==0,"F1AP_ProtocolIE_ID_id_AvailablePLMNList not supported yet\n");
break;
case F1AP_ProtocolIE_ID_id_ExtendedAvailablePLMN_List:
AssertFatal(1==0,"F1AP_ProtocolIE_ID_id_AvailablePLMNList not supported yet\n");
break;
case F1AP_ProtocolIE_ID_id_IAB_Info_IAB_donor_CU:
AssertFatal(1==0,"F1AP_ProtocolIE_ID_id_AvailablePLMNList not supported yet\n");
break;
case F1AP_ProtocolIE_ID_id_AvailableSNPN_ID_List:
AssertFatal(1==0,"F1AP_ProtocolIE_ID_id_AvailablePLMNList not supported yet\n");
break;
default:
AssertFatal(1==0,"F1AP_ProtocolIE_ID_id %d unknown\n",(int)cells_to_be_activated_list_itemExtIEs->id);
break;
}
} // for (cnt=...
} // for (cells_to_activate...
break;
} // case F1AP_ProtocolIE_ID_id_Cells_to_be_Activated_List
default:
AssertFatal(1==0,"F1AP_ProtocolIE_ID_id %d unknown\n", (int)ie->id);
break;
} // switch ie
} // for IE
AssertFatal(TransactionId!=-1,"TransactionId was not sent\n");
LOG_D(F1AP,"F1AP: num_cells_to_activate %d\n",num_cells_to_activate);
F1AP_GNB_CU_CONFIGURATION_UPDATE (msg_p).num_cells_to_activate = num_cells_to_activate;
LOG_D(F1AP, "Sending F1AP_GNB_CU_CONFIGURATION_UPDATE ITTI message \n");
itti_send_msg_to_task(TASK_GNB_APP, GNB_MODULE_ID_TO_INSTANCE(assoc_id), msg_p);
return 0;
}
int DU_send_gNB_CU_CONFIGURATION_UPDATE_FAILURE(sctp_assoc_t assoc_id,
f1ap_gnb_cu_configuration_update_failure_t *GNBCUConfigurationUpdateFailure) {
AssertFatal(1==0,"received gNB CU CONFIGURATION UPDATE FAILURE with cause %d\n",
GNBCUConfigurationUpdateFailure->cause);
}
int DU_send_gNB_CU_CONFIGURATION_UPDATE_ACKNOWLEDGE(
sctp_assoc_t assoc_id,
f1ap_gnb_cu_configuration_update_acknowledge_t *GNBCUConfigurationUpdateAcknowledge)
{
AssertFatal(GNBCUConfigurationUpdateAcknowledge->num_cells_failed_to_be_activated == 0,
"%d cells failed to activate\n",
GNBCUConfigurationUpdateAcknowledge->num_cells_failed_to_be_activated);
AssertFatal(GNBCUConfigurationUpdateAcknowledge->noofTNLAssociations_to_setup == 0,
"%d TNLAssociations to setup, handle this ...\n",
GNBCUConfigurationUpdateAcknowledge->noofTNLAssociations_to_setup);
AssertFatal(GNBCUConfigurationUpdateAcknowledge->noofTNLAssociations_failed == 0,
"%d TNLAssociations failed\n",
GNBCUConfigurationUpdateAcknowledge->noofTNLAssociations_failed);
AssertFatal(GNBCUConfigurationUpdateAcknowledge->noofDedicatedSIDeliveryNeededUEs == 0,
"%d DedicatedSIDeliveryNeededUEs\n",
GNBCUConfigurationUpdateAcknowledge->noofDedicatedSIDeliveryNeededUEs);
F1AP_F1AP_PDU_t pdu= {0};
uint8_t *buffer=NULL;
uint32_t len=0;
/* Create */
/* 0. pdu Type */
pdu.present = F1AP_F1AP_PDU_PR_successfulOutcome;
asn1cCalloc(pdu.choice.successfulOutcome, tmp);
tmp->procedureCode = F1AP_ProcedureCode_id_gNBCUConfigurationUpdate;
tmp->criticality = F1AP_Criticality_reject;
tmp->value.present = F1AP_SuccessfulOutcome__value_PR_GNBCUConfigurationUpdateAcknowledge;
F1AP_GNBCUConfigurationUpdateAcknowledge_t *out = &tmp->value.choice.GNBCUConfigurationUpdateAcknowledge;
/* mandatory */
/* c1. Transaction ID (integer value)*/
asn1cSequenceAdd(out->protocolIEs.list, F1AP_GNBCUConfigurationUpdateAcknowledgeIEs_t, ie);
ie->id = F1AP_ProtocolIE_ID_id_TransactionID;
ie->criticality = F1AP_Criticality_reject;
ie->value.present = F1AP_GNBCUConfigurationUpdateAcknowledgeIEs__value_PR_TransactionID;
ie->value.choice.TransactionID = F1AP_get_next_transaction_identifier(0, 0);
/* encode */
if (f1ap_encode_pdu(&pdu, &buffer, &len) < 0) {
LOG_E(F1AP, "Failed to encode GNB-DU-Configuration-Update-Acknowledge\n");
return -1;
}
ASN_STRUCT_RESET(asn_DEF_F1AP_F1AP_PDU, &pdu);
f1ap_itti_send_sctp_data_req(assoc_id, buffer, len);
return 0;
}
int DU_send_gNB_DU_RESOURCE_COORDINATION_REQUEST(sctp_assoc_t assoc_id,
F1AP_GNBDUResourceCoordinationRequest_t *GNBDUResourceCoordinationRequest)
{
AssertFatal(0, "Not implemented yet\n");
}
int DU_handle_gNB_DU_RESOURCE_COORDINATION_RESPONSE(instance_t instance,
sctp_assoc_t assoc_id,
uint32_t stream,
F1AP_F1AP_PDU_t *pdu)
{
AssertFatal(0, "Not implemented yet\n");
}
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