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openairinterface5g/openair2/F1AP/f1ap_cu_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_cu_interface_management.c
* \brief f1ap interface management for CU
* \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_cu_interface_management.h"
#include "f1ap_default_values.h"
#include "lib/f1ap_interface_management.h"
int CU_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");
}
int CU_send_RESET_ACKNOWLEDGE(sctp_assoc_t assoc_id, const f1ap_reset_ack_t *ack)
{
AssertFatal(1 == 0, "Not implemented yet\n");
}
static uint8_t *cp_octet_string(const OCTET_STRING_t *os, int *len)
{
uint8_t *buf = calloc(os->size, sizeof(*buf));
AssertFatal(buf != NULL, "out of memory\n");
memcpy(buf, os->buf, os->size);
*len = os->size;
return buf;
}
static int read_slice_info(const F1AP_ServedPLMNs_Item_t *plmn, nssai_t *nssai, int max_nssai)
{
if (plmn->iE_Extensions == NULL)
return 0;
const F1AP_ProtocolExtensionContainer_10696P34_t *p = (F1AP_ProtocolExtensionContainer_10696P34_t *)plmn->iE_Extensions;
if (p->list.count == 0)
return 0;
const F1AP_ServedPLMNs_ItemExtIEs_t *splmn = p->list.array[0];
DevAssert(splmn->id == F1AP_ProtocolIE_ID_id_TAISliceSupportList);
DevAssert(splmn->extensionValue.present == F1AP_ServedPLMNs_ItemExtIEs__extensionValue_PR_SliceSupportList);
const F1AP_SliceSupportList_t *ssl = &splmn->extensionValue.choice.SliceSupportList;
AssertFatal(ssl->list.count <= max_nssai, "cannot handle more than 16 slices\n");
for (int s = 0; s < ssl->list.count; ++s) {
const F1AP_SliceSupportItem_t *sl = ssl->list.array[s];
nssai_t *n = &nssai[s];
OCTET_STRING_TO_INT8(&sl->sNSSAI.sST, n->sst);
n->sd = 0xffffff;
if (sl->sNSSAI.sD != NULL)
OCTET_STRING_TO_INT24(sl->sNSSAI.sD, n->sd);
}
return ssl->list.count;
}
/*
F1 Setup
*/
int CU_handle_F1_SETUP_REQUEST(instance_t instance, sctp_assoc_t assoc_id, uint32_t stream, F1AP_F1AP_PDU_t *pdu)
{
LOG_D(F1AP, "CU_handle_F1_SETUP_REQUEST\n");
F1AP_F1SetupRequest_t *container;
F1AP_F1SetupRequestIEs_t *ie;
int i = 0;
DevAssert(pdu != NULL);
container = &pdu->choice.initiatingMessage->value.choice.F1SetupRequest;
/* F1 Setup Request == Non UE-related procedure -> stream 0 */
if (stream != 0) {
LOG_W(F1AP, "[SCTP %d] Received f1 setup request on stream != 0 (%d)\n",
assoc_id, stream);
}
MessageDef *message_p = itti_alloc_new_message(TASK_CU_F1, 0, F1AP_SETUP_REQ);
message_p->ittiMsgHeader.originInstance = assoc_id;
f1ap_setup_req_t *req = &F1AP_SETUP_REQ(message_p);
/* Transaction ID*/
F1AP_FIND_PROTOCOLIE_BY_ID(F1AP_F1SetupRequestIEs_t, ie, container, F1AP_ProtocolIE_ID_id_TransactionID, true);
req->transaction_id = ie->value.choice.TransactionID;
LOG_D(F1AP, "req->transaction_id %lu \n", req->transaction_id);
/* gNB_DU_id */
// this function exits if the ie is mandatory
F1AP_FIND_PROTOCOLIE_BY_ID(F1AP_F1SetupRequestIEs_t, ie, container,
F1AP_ProtocolIE_ID_id_gNB_DU_ID, true);
asn_INTEGER2ulong(&ie->value.choice.GNB_DU_ID, &req->gNB_DU_id);
LOG_D(F1AP, "req->gNB_DU_id %lu \n", req->gNB_DU_id);
/* gNB_DU_name */
F1AP_FIND_PROTOCOLIE_BY_ID(F1AP_F1SetupRequestIEs_t, ie, container, F1AP_ProtocolIE_ID_id_gNB_DU_Name, false);
req->gNB_DU_name = NULL;
if (ie != NULL) {
req->gNB_DU_name = calloc(ie->value.choice.GNB_DU_Name.size + 1, sizeof(char));
memcpy(req->gNB_DU_name, ie->value.choice.GNB_DU_Name.buf, ie->value.choice.GNB_DU_Name.size);
LOG_D(F1AP, "req->gNB_DU_name %s \n", req->gNB_DU_name);
}
/* GNB_DU_Served_Cells_List */
F1AP_FIND_PROTOCOLIE_BY_ID(F1AP_F1SetupRequestIEs_t, ie, container,
F1AP_ProtocolIE_ID_id_gNB_DU_Served_Cells_List, true);
req->num_cells_available = ie->value.choice.GNB_DU_Served_Cells_List.list.count;
LOG_D(F1AP, "req->num_cells_available %d \n", req->num_cells_available);
for (i=0; i<req->num_cells_available; i++) {
F1AP_GNB_DU_Served_Cells_Item_t *served_cells_item = &(((F1AP_GNB_DU_Served_Cells_ItemIEs_t *)
ie->value.choice.GNB_DU_Served_Cells_List.list.array[i])->
value.choice.GNB_DU_Served_Cells_Item);
F1AP_Served_Cell_Information_t *servedCellInformation= &served_cells_item->served_Cell_Information;
/* tac */
if (servedCellInformation->fiveGS_TAC) {
req->cell[i].info.tac = malloc(sizeof(*req->cell[i].info.tac));
AssertFatal(req->cell[i].info.tac != NULL, "out of memory\n");
OCTET_STRING_TO_INT24(servedCellInformation->fiveGS_TAC, *req->cell[i].info.tac);
LOG_D(F1AP, "req->tac[%d] %d \n", i, *req->cell[i].info.tac);
}
/* - nRCGI */
TBCD_TO_MCC_MNC(&(servedCellInformation->nRCGI.pLMN_Identity),
req->cell[i].info.plmn.mcc,
req->cell[i].info.plmn.mnc,
req->cell[i].info.plmn.mnc_digit_length);
// NR cellID
BIT_STRING_TO_NR_CELL_IDENTITY(&servedCellInformation->nRCGI.nRCellIdentity,
req->cell[i].info.nr_cellid);
LOG_D(F1AP, "[SCTP %d] Received nRCGI: MCC %d, MNC %d, CELL_ID %llu\n", assoc_id,
req->cell[i].info.plmn.mcc,
req->cell[i].info.plmn.mnc,
(long long unsigned int)req->cell[i].info.nr_cellid);
/* - nRPCI */
req->cell[i].info.nr_pci = servedCellInformation->nRPCI;
LOG_D(F1AP, "req->nr_pci[%d] %d \n", i, req->cell[i].info.nr_pci);
AssertFatal(servedCellInformation->servedPLMNs.list.count == 1, "only one PLMN handled\n");
req->cell[i].info.num_ssi = read_slice_info(servedCellInformation->servedPLMNs.list.array[0], req->cell[i].info.nssai, 16);
// FDD Cells
if (servedCellInformation->nR_Mode_Info.present==F1AP_NR_Mode_Info_PR_fDD) {
req->cell[i].info.mode = F1AP_MODE_FDD;
f1ap_fdd_info_t *FDDs = &req->cell[i].info.fdd;
F1AP_FDD_Info_t * fDD_Info=servedCellInformation->nR_Mode_Info.choice.fDD;
FDDs->ul_freqinfo.arfcn = fDD_Info->uL_NRFreqInfo.nRARFCN;
AssertFatal(fDD_Info->uL_NRFreqInfo.freqBandListNr.list.count == 1, "cannot handle more than one frequency band\n");
for (int f=0; f < fDD_Info->uL_NRFreqInfo.freqBandListNr.list.count; f++) {
F1AP_FreqBandNrItem_t * FreqItem=fDD_Info->uL_NRFreqInfo.freqBandListNr.list.array[f];
FDDs->ul_freqinfo.band = FreqItem->freqBandIndicatorNr;
AssertFatal(FreqItem->supportedSULBandList.list.count == 0, "cannot handle SUL bands!\n");
}
FDDs->dl_freqinfo.arfcn = fDD_Info->dL_NRFreqInfo.nRARFCN;
int dlBands=fDD_Info->dL_NRFreqInfo.freqBandListNr.list.count;
AssertFatal(dlBands == 1, "cannot handled more than one frequency band\n");
for (int dlB=0; dlB < dlBands; dlB++) {
F1AP_FreqBandNrItem_t * FreqItem=fDD_Info->dL_NRFreqInfo.freqBandListNr.list.array[dlB];
FDDs->dl_freqinfo.band = FreqItem->freqBandIndicatorNr;
int num_available_supported_SULBands = FreqItem->supportedSULBandList.list.count;
AssertFatal(num_available_supported_SULBands == 0, "cannot handle SUL bands!\n");
}
FDDs->ul_tbw.scs = fDD_Info->uL_Transmission_Bandwidth.nRSCS;
FDDs->ul_tbw.nrb = nrb_lut[fDD_Info->uL_Transmission_Bandwidth.nRNRB];
FDDs->dl_tbw.scs = fDD_Info->dL_Transmission_Bandwidth.nRSCS;
FDDs->dl_tbw.nrb = nrb_lut[fDD_Info->dL_Transmission_Bandwidth.nRNRB];
} else if (servedCellInformation->nR_Mode_Info.present==F1AP_NR_Mode_Info_PR_tDD) {
req->cell[i].info.mode = F1AP_MODE_TDD;
f1ap_tdd_info_t *TDDs = &req->cell[i].info.tdd;
F1AP_TDD_Info_t *tDD_Info = servedCellInformation->nR_Mode_Info.choice.tDD;
TDDs->freqinfo.arfcn = tDD_Info->nRFreqInfo.nRARFCN;
AssertFatal(tDD_Info->nRFreqInfo.freqBandListNr.list.count == 1, "cannot handle more than one frequency band\n");
for (int f=0; f < tDD_Info->nRFreqInfo.freqBandListNr.list.count; f++) {
struct F1AP_FreqBandNrItem * FreqItem=tDD_Info->nRFreqInfo.freqBandListNr.list.array[f];
TDDs->freqinfo.band = FreqItem->freqBandIndicatorNr;
int num_available_supported_SULBands = FreqItem->supportedSULBandList.list.count;
AssertFatal(num_available_supported_SULBands == 0, "cannot hanlde SUL bands!\n");
}
TDDs->tbw.scs = tDD_Info->transmission_Bandwidth.nRSCS;
TDDs->tbw.nrb = nrb_lut[tDD_Info->transmission_Bandwidth.nRNRB];
} else {
AssertFatal(false, "unknown NR Mode info %d\n", servedCellInformation->nR_Mode_Info.present);
}
/* MeasurementConfig */
if (servedCellInformation->measurementTimingConfiguration.size > 0)
req->cell[i].info.measurement_timing_config =
cp_octet_string(&servedCellInformation->measurementTimingConfiguration, &req->cell[i].info.measurement_timing_config_len);
struct F1AP_GNB_DU_System_Information * DUsi=served_cells_item->gNB_DU_System_Information;
if (DUsi != NULL) {
// System Information
req->cell[i].sys_info = calloc(1, sizeof(*req->cell[i].sys_info));
AssertFatal(req->cell[i].sys_info != NULL, "out of memory\n");
f1ap_gnb_du_system_info_t *sys_info = req->cell[i].sys_info;
/* mib */
sys_info->mib = calloc(DUsi->mIB_message.size, sizeof(char));
memcpy(sys_info->mib, DUsi->mIB_message.buf, DUsi->mIB_message.size);
sys_info->mib_length = DUsi->mIB_message.size;
/* sib1 */
sys_info->sib1 = calloc(DUsi->sIB1_message.size, sizeof(char));
memcpy(sys_info->sib1, DUsi->sIB1_message.buf, DUsi->sIB1_message.size);
sys_info->sib1_length = DUsi->sIB1_message.size;
}
}
/* Handle RRC Version */
F1AP_FIND_PROTOCOLIE_BY_ID(F1AP_F1SetupRequestIEs_t, ie, container,
F1AP_ProtocolIE_ID_id_GNB_DU_RRC_Version, true);
// Latest RRC Version: "This IE is not used in this release."
// BIT_STRING_to_uint8(&ie->value.choice.RRC_Version.latest_RRC_Version);
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_;
DevAssert(os->size == 3);
for (int i = 0; i < 3; ++i)
req->rrc_ver[i] = os->buf[i];
}
}
itti_send_msg_to_task(TASK_RRC_GNB, GNB_MODULE_ID_TO_INSTANCE(instance), message_p);
return 0;
}
int CU_send_F1_SETUP_RESPONSE(sctp_assoc_t assoc_id, f1ap_setup_resp_t *f1ap_setup_resp)
{
F1AP_F1AP_PDU_t pdu= {0};
uint8_t *buffer=NULL;
uint32_t len=0;
/* Create */
/* 0. Message Type */
pdu.present = F1AP_F1AP_PDU_PR_successfulOutcome;
asn1cCalloc(pdu.choice.successfulOutcome, tmp);
tmp->procedureCode = F1AP_ProcedureCode_id_F1Setup;
tmp->criticality = F1AP_Criticality_reject;
tmp->value.present = F1AP_SuccessfulOutcome__value_PR_F1SetupResponse;
F1AP_F1SetupResponse_t *out = &pdu.choice.successfulOutcome->value.choice.F1SetupResponse;
/* mandatory */
/* c1. Transaction ID (integer value)*/
asn1cSequenceAdd(out->protocolIEs.list, F1AP_F1SetupResponseIEs_t, ie1);
ie1->id = F1AP_ProtocolIE_ID_id_TransactionID;
ie1->criticality = F1AP_Criticality_reject;
ie1->value.present = F1AP_F1SetupResponseIEs__value_PR_TransactionID;
ie1->value.choice.TransactionID = f1ap_setup_resp->transaction_id;
/* optional */
/* c2. GNB_CU_Name */
if (f1ap_setup_resp->gNB_CU_name != NULL) {
asn1cSequenceAdd(out->protocolIEs.list, F1AP_F1SetupResponseIEs_t, ie2);
ie2->id = F1AP_ProtocolIE_ID_id_gNB_CU_Name;
ie2->criticality = F1AP_Criticality_ignore;
ie2->value.present = F1AP_F1SetupResponseIEs__value_PR_GNB_CU_Name;
OCTET_STRING_fromBuf(&ie2->value.choice.GNB_CU_Name, f1ap_setup_resp->gNB_CU_name,
strlen(f1ap_setup_resp->gNB_CU_name));
}
/* mandatory */
/* c3. cells to be Activated list */
int num_cells_to_activate = f1ap_setup_resp->num_cells_to_activate;
LOG_D(F1AP, "num_cells_to_activate = %d \n", num_cells_to_activate);
if (num_cells_to_activate >0) {
asn1cSequenceAdd(out->protocolIEs.list, F1AP_F1SetupResponseIEs_t, ie3);
ie3->id = F1AP_ProtocolIE_ID_id_Cells_to_be_Activated_List;
ie3->criticality = F1AP_Criticality_reject;
ie3->value.present = F1AP_F1SetupResponseIEs__value_PR_Cells_to_be_Activated_List;
for (int i=0; i<num_cells_to_activate; i++) {
asn1cSequenceAdd(ie3->value.choice.Cells_to_be_Activated_List.list,
F1AP_Cells_to_be_Activated_List_ItemIEs_t, cells_to_be_activated_ies);
cells_to_be_activated_ies->id = F1AP_ProtocolIE_ID_id_Cells_to_be_Activated_List_Item;
cells_to_be_activated_ies->criticality = F1AP_Criticality_reject;
cells_to_be_activated_ies->value.present = F1AP_Cells_to_be_Activated_List_ItemIEs__value_PR_Cells_to_be_Activated_List_Item;
/* 3.1 cells to be Activated list item */
F1AP_Cells_to_be_Activated_List_Item_t *cells_to_be_activated_item=
&cells_to_be_activated_ies->value.choice.Cells_to_be_Activated_List_Item;
/* - nRCGI */
addnRCGI(cells_to_be_activated_item->nRCGI, f1ap_setup_resp->cells_to_activate+i);
/* optional */
/* - nRPCI */
if (1) {
cells_to_be_activated_item->nRPCI = (F1AP_NRPCI_t *)calloc(1, sizeof(F1AP_NRPCI_t));
*cells_to_be_activated_item->nRPCI = f1ap_setup_resp->cells_to_activate[i].nrpci; // int 0..1007
}
/* optional */
/* - gNB-CU System Information */
if (f1ap_setup_resp->cells_to_activate[i].num_SI > 0) {
/* 3.1.2 gNB-CUSystem Information */
F1AP_ProtocolExtensionContainer_10696P112_t *p = calloc(1, sizeof(* p));
cells_to_be_activated_item->iE_Extensions = (struct F1AP_ProtocolExtensionContainer *) p;
asn1cSequenceAdd(p->list, F1AP_Cells_to_be_Activated_List_ItemExtIEs_t, cells_to_be_activated_itemExtIEs);
cells_to_be_activated_itemExtIEs->id = F1AP_ProtocolIE_ID_id_gNB_CUSystemInformation;
cells_to_be_activated_itemExtIEs->criticality = F1AP_Criticality_reject;
cells_to_be_activated_itemExtIEs->extensionValue.present = F1AP_Cells_to_be_Activated_List_ItemExtIEs__extensionValue_PR_GNB_CUSystemInformation;
F1AP_GNB_CUSystemInformation_t *gNB_CUSystemInformation =
&cells_to_be_activated_itemExtIEs->extensionValue.choice.GNB_CUSystemInformation;
// for (int sIBtype=2;sIBtype<33;sIBtype++) { //21 ? 33 ?
for (int sIBtype=2; sIBtype<21; sIBtype++) {
for (int n = 0; n < f1ap_setup_resp->cells_to_activate[i].num_SI; n++) {
if (f1ap_setup_resp->cells_to_activate[i].SI_msg[n].SI_container != NULL) {
if (f1ap_setup_resp->cells_to_activate[i].SI_msg[n].SI_type > 6
&& f1ap_setup_resp->cells_to_activate[i].SI_msg[n].SI_type != 9) {
asn1cSequenceAdd(gNB_CUSystemInformation->sibtypetobeupdatedlist.list, F1AP_SibtypetobeupdatedListItem_t, sib_item);
sib_item->sIBtype = f1ap_setup_resp->cells_to_activate[i].SI_msg[n].SI_type;
OCTET_STRING_fromBuf(&sib_item->sIBmessage,
(const char *)f1ap_setup_resp->cells_to_activate[i].SI_msg[n].SI_container,
f1ap_setup_resp->cells_to_activate[i].SI_msg[n].SI_container_length);
LOG_D(F1AP,
"f1ap_setup_resp->cells_to_activate[%d].SI_msg[%d].SI_container_length = %d \n",
i,
n,
f1ap_setup_resp->cells_to_activate[i].SI_msg[n].SI_container_length);
}
}
}
}
}
}
}
/* c5. RRC VERSION */
asn1cSequenceAdd(out->protocolIEs.list, F1AP_F1SetupResponseIEs_t, ie4);
ie4->id = F1AP_ProtocolIE_ID_id_GNB_CU_RRC_Version;
ie4->criticality = F1AP_Criticality_reject;
ie4->value.present = F1AP_F1SetupResponseIEs__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 |= (f1ap_setup_resp->rrc_ver[i] != 0) << i;
BIT_STRING_t *bs = &ie4->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 = (F1AP_ProtocolExtensionContainer_10696P228_t*)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] = f1ap_setup_resp->rrc_ver[i];
ie4->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 response\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 CU_send_F1_SETUP_FAILURE(sctp_assoc_t assoc_id, const f1ap_setup_failure_t *fail)
{
LOG_D(F1AP, "CU_send_F1_SETUP_FAILURE\n");
F1AP_F1AP_PDU_t pdu= {0};
uint8_t *buffer=NULL;
uint32_t len=0;
/* Create */
/* 0. Message Type */
asn1cCalloc(pdu.choice.unsuccessfulOutcome, UnsuccessfulOutcome);
pdu.present = F1AP_F1AP_PDU_PR_unsuccessfulOutcome;
UnsuccessfulOutcome->procedureCode = F1AP_ProcedureCode_id_F1Setup;
UnsuccessfulOutcome->criticality = F1AP_Criticality_reject;
UnsuccessfulOutcome->value.present = F1AP_UnsuccessfulOutcome__value_PR_F1SetupFailure;
F1AP_F1SetupFailure_t *out = &pdu.choice.unsuccessfulOutcome->value.choice.F1SetupFailure;
/* mandatory */
/* c1. Transaction ID (integer value)*/
asn1cSequenceAdd(out->protocolIEs.list, F1AP_F1SetupFailureIEs_t, ie1);
ie1->id = F1AP_ProtocolIE_ID_id_TransactionID;
ie1->criticality = F1AP_Criticality_reject;
ie1->value.present = F1AP_F1SetupFailureIEs__value_PR_TransactionID;
ie1->value.choice.TransactionID = F1AP_get_next_transaction_identifier(0, 0);
/* mandatory */
/* c2. Cause */
asn1cSequenceAdd(out->protocolIEs.list, F1AP_F1SetupFailureIEs_t, ie2);
ie2->id = F1AP_ProtocolIE_ID_id_Cause;
ie2->criticality = F1AP_Criticality_ignore;
ie2->value.present = F1AP_F1SetupFailureIEs__value_PR_Cause;
ie2->value.choice.Cause.present = F1AP_Cause_PR_radioNetwork;
ie2->value.choice.Cause.choice.radioNetwork = F1AP_CauseRadioNetwork_unspecified;
/* optional */
/* c3. TimeToWait */
if (0) {
asn1cSequenceAdd(out->protocolIEs.list, F1AP_F1SetupFailureIEs_t, ie3);
ie3->id = F1AP_ProtocolIE_ID_id_TimeToWait;
ie3->criticality = F1AP_Criticality_ignore;
ie3->value.present = F1AP_F1SetupFailureIEs__value_PR_TimeToWait;
ie3->value.choice.TimeToWait = F1AP_TimeToWait_v10s;
}
/* optional */
/* c4. CriticalityDiagnostics*/
if (0) {
asn1cSequenceAdd(out->protocolIEs.list, F1AP_F1SetupFailureIEs_t, ie4);
ie4->id = F1AP_ProtocolIE_ID_id_CriticalityDiagnostics;
ie4->criticality = F1AP_Criticality_ignore;
ie4->value.present = F1AP_F1SetupFailureIEs__value_PR_CriticalityDiagnostics;
asn1cCallocOne(ie4->value.choice.CriticalityDiagnostics.procedureCode,
F1AP_ProcedureCode_id_UEContextSetup);
asn1cCallocOne(ie4->value.choice.CriticalityDiagnostics.triggeringMessage,
F1AP_TriggeringMessage_initiating_message);
asn1cCallocOne(ie4->value.choice.CriticalityDiagnostics.procedureCriticality,
F1AP_Criticality_reject);
asn1cCallocOne(ie4->value.choice.CriticalityDiagnostics.transactionID,
0);
}
/* encode */
if (f1ap_encode_pdu(&pdu, &buffer, &len) < 0) {
LOG_E(F1AP, "Failed to encode F1 setup failure\n");
return -1;
}
ASN_STRUCT_RESET(asn_DEF_F1AP_F1AP_PDU, &pdu);
f1ap_itti_send_sctp_data_req(assoc_id, buffer, len);
return 0;
}
/*
gNB-DU Configuration Update
*/
int CU_handle_gNB_DU_CONFIGURATION_UPDATE(instance_t instance, sctp_assoc_t assoc_id, uint32_t stream, F1AP_F1AP_PDU_t *pdu)
{
LOG_D(F1AP, "CU_handle_gNB_DU_CONFIGURATION_UPDATE\n");
F1AP_GNBDUConfigurationUpdate_t *container;
F1AP_GNBDUConfigurationUpdateIEs_t *ie;
int i = 0;
DevAssert(pdu != NULL);
container = &pdu->choice.initiatingMessage->value.choice.GNBDUConfigurationUpdate;
/* gNB DU Configuration Update == Non UE-related procedure -> stream 0 */
if (stream != 0) {
LOG_W(F1AP, "[SCTP %d] Received f1 setup request on stream != 0 (%d)\n", assoc_id, stream);
}
MessageDef *message_p = itti_alloc_new_message(TASK_CU_F1, 0, F1AP_GNB_DU_CONFIGURATION_UPDATE);
message_p->ittiMsgHeader.originInstance = assoc_id;
f1ap_gnb_du_configuration_update_t *req = &F1AP_GNB_DU_CONFIGURATION_UPDATE(message_p);
/* 3GPP TS 38.473 Transaction ID*/
F1AP_FIND_PROTOCOLIE_BY_ID(F1AP_GNBDUConfigurationUpdateIEs_t, ie, container, F1AP_ProtocolIE_ID_id_TransactionID, true);
req->transaction_id = ie->value.choice.TransactionID;
LOG_D(F1AP, "req->transaction_id %lu \n", req->transaction_id);
/* 3GPP TS 38.473 Served Cells To Add List */
F1AP_FIND_PROTOCOLIE_BY_ID(F1AP_GNBDUConfigurationUpdateIEs_t,
ie,
container,
F1AP_ProtocolIE_ID_id_Served_Cells_To_Add_List,
false);
if (ie != NULL) {
req->num_cells_to_add = ie->value.choice.Served_Cells_To_Add_List.list.count;
LOG_D(F1AP, "req->num_cells_to_add %d \n", req->num_cells_to_add);
for (i = 0; i < req->num_cells_to_add; i++) {
F1AP_Served_Cells_To_Add_Item_t *served_cells_item =
&((F1AP_Served_Cells_To_Add_ItemIEs_t *)ie->value.choice.Served_Cells_To_Add_List.list.array[i])
->value.choice.Served_Cells_To_Add_Item;
F1AP_Served_Cell_Information_t *servedCellInformation = &served_cells_item->served_Cell_Information;
/* tac */
if (servedCellInformation->fiveGS_TAC) {
req->cell_to_add[i].info.tac = malloc(sizeof(*req->cell_to_add[i].info.tac));
AssertFatal(req->cell_to_add[i].info.tac != NULL, "out of memory\n");
OCTET_STRING_TO_INT24(servedCellInformation->fiveGS_TAC, *req->cell_to_add[i].info.tac);
LOG_D(F1AP, "req->tac[%d] %d \n", i, *req->cell_to_add[i].info.tac);
}
/* - nRCGI */
TBCD_TO_MCC_MNC(&(servedCellInformation->nRCGI.pLMN_Identity),
req->cell_to_add[i].info.plmn.mcc,
req->cell_to_add[i].info.plmn.mnc,
req->cell_to_add[i].info.plmn.mnc_digit_length);
// NR cellID
BIT_STRING_TO_NR_CELL_IDENTITY(&servedCellInformation->nRCGI.nRCellIdentity, req->cell_to_add[i].info.nr_cellid);
LOG_D(F1AP,
"[SCTP %d] Received nRCGI: MCC %d, MNC %d, CELL_ID %llu\n",
assoc_id,
req->cell_to_add[i].info.plmn.mcc,
req->cell_to_add[i].info.plmn.mnc,
(long long unsigned int)req->cell_to_add[i].info.nr_cellid);
/* - nRPCI */
req->cell_to_add[i].info.nr_pci = servedCellInformation->nRPCI;
LOG_D(F1AP, "req->nr_pci[%d] %d \n", i, req->cell_to_add[i].info.nr_pci);
AssertFatal(servedCellInformation->servedPLMNs.list.count == 1, "only one PLMN handled\n");
req->cell_to_add[i].info.num_ssi =
read_slice_info(servedCellInformation->servedPLMNs.list.array[0], req->cell_to_add[i].info.nssai, 16);
// FDD Cells
if (servedCellInformation->nR_Mode_Info.present == F1AP_NR_Mode_Info_PR_fDD) {
req->cell_to_add[i].info.mode = F1AP_MODE_FDD;
f1ap_fdd_info_t *FDDs = &req->cell_to_add[i].info.fdd;
F1AP_FDD_Info_t *fDD_Info = servedCellInformation->nR_Mode_Info.choice.fDD;
FDDs->ul_freqinfo.arfcn = fDD_Info->uL_NRFreqInfo.nRARFCN;
AssertFatal(fDD_Info->uL_NRFreqInfo.freqBandListNr.list.count == 1, "cannot handle more than one frequency band\n");
for (int f = 0; f < fDD_Info->uL_NRFreqInfo.freqBandListNr.list.count; f++) {
F1AP_FreqBandNrItem_t *FreqItem = fDD_Info->uL_NRFreqInfo.freqBandListNr.list.array[f];
FDDs->ul_freqinfo.band = FreqItem->freqBandIndicatorNr;
AssertFatal(FreqItem->supportedSULBandList.list.count == 0, "cannot handle SUL bands!\n");
}
FDDs->dl_freqinfo.arfcn = fDD_Info->dL_NRFreqInfo.nRARFCN;
int dlBands = fDD_Info->dL_NRFreqInfo.freqBandListNr.list.count;
AssertFatal(dlBands == 0, "cannot handled more than one frequency band\n");
for (int dlB = 0; dlB < dlBands; dlB++) {
F1AP_FreqBandNrItem_t *FreqItem = fDD_Info->dL_NRFreqInfo.freqBandListNr.list.array[dlB];
FDDs->dl_freqinfo.band = FreqItem->freqBandIndicatorNr;
int num_available_supported_SULBands = FreqItem->supportedSULBandList.list.count;
AssertFatal(num_available_supported_SULBands == 0, "cannot handle SUL bands!\n");
}
FDDs->ul_tbw.scs = fDD_Info->uL_Transmission_Bandwidth.nRSCS;
FDDs->ul_tbw.nrb = nrb_lut[fDD_Info->uL_Transmission_Bandwidth.nRNRB];
FDDs->dl_tbw.scs = fDD_Info->dL_Transmission_Bandwidth.nRSCS;
FDDs->dl_tbw.nrb = nrb_lut[fDD_Info->dL_Transmission_Bandwidth.nRNRB];
} else if (servedCellInformation->nR_Mode_Info.present == F1AP_NR_Mode_Info_PR_tDD) {
req->cell_to_add[i].info.mode = F1AP_MODE_TDD;
f1ap_tdd_info_t *TDDs = &req->cell_to_add[i].info.tdd;
F1AP_TDD_Info_t *tDD_Info = servedCellInformation->nR_Mode_Info.choice.tDD;
TDDs->freqinfo.arfcn = tDD_Info->nRFreqInfo.nRARFCN;
AssertFatal(tDD_Info->nRFreqInfo.freqBandListNr.list.count == 1, "cannot handle more than one frequency band\n");
for (int f = 0; f < tDD_Info->nRFreqInfo.freqBandListNr.list.count; f++) {
struct F1AP_FreqBandNrItem *FreqItem = tDD_Info->nRFreqInfo.freqBandListNr.list.array[f];
TDDs->freqinfo.band = FreqItem->freqBandIndicatorNr;
int num_available_supported_SULBands = FreqItem->supportedSULBandList.list.count;
AssertFatal(num_available_supported_SULBands == 0, "cannot hanlde SUL bands!\n");
}
TDDs->tbw.scs = tDD_Info->transmission_Bandwidth.nRSCS;
TDDs->tbw.nrb = nrb_lut[tDD_Info->transmission_Bandwidth.nRNRB];
} else {
AssertFatal(false, "unknown NR Mode info %d\n", servedCellInformation->nR_Mode_Info.present);
}
/* MeasurementConfig */
if (servedCellInformation->measurementTimingConfiguration.size > 0)
req->cell_to_add[i].info.measurement_timing_config =
cp_octet_string(&servedCellInformation->measurementTimingConfiguration,
&req->cell_to_add[i].info.measurement_timing_config_len);
struct F1AP_GNB_DU_System_Information *DUsi = served_cells_item->gNB_DU_System_Information;
// System Information
req->cell_to_add[i].sys_info = calloc(1, sizeof(*req->cell_to_add[i].sys_info));
AssertFatal(req->cell_to_add[i].sys_info != NULL, "out of memory\n");
f1ap_gnb_du_system_info_t *sys_info = req->cell_to_add[i].sys_info;
/* mib */
sys_info->mib = calloc(DUsi->mIB_message.size, sizeof(char));
memcpy(sys_info->mib, DUsi->mIB_message.buf, DUsi->mIB_message.size);
sys_info->mib_length = DUsi->mIB_message.size;
/* sib1 */
sys_info->sib1 = calloc(DUsi->sIB1_message.size, sizeof(char));
memcpy(sys_info->sib1, DUsi->sIB1_message.buf, DUsi->sIB1_message.size);
sys_info->sib1_length = DUsi->sIB1_message.size;
}
} else {
req->num_cells_to_add = 0;
}
/* 3GPP TS 38.473 Served Cells To Modify List */
F1AP_FIND_PROTOCOLIE_BY_ID(F1AP_GNBDUConfigurationUpdateIEs_t,
ie,
container,
F1AP_ProtocolIE_ID_id_Served_Cells_To_Modify_List,
false);
if (ie) {
req->num_cells_to_modify = ie->value.choice.Served_Cells_To_Modify_List.list.count;
LOG_D(F1AP, "req->num_cells_to_modify %d \n", req->num_cells_to_modify);
for (i = 0; i < req->num_cells_to_modify; i++) {
F1AP_Served_Cells_To_Modify_Item_t *served_cells_item =
&((F1AP_Served_Cells_To_Modify_ItemIEs_t *)ie->value.choice.Served_Cells_To_Modify_List.list.array[i])
->value.choice.Served_Cells_To_Modify_Item;
/* OLD NRCGI */
TBCD_TO_MCC_MNC(&(served_cells_item->oldNRCGI.pLMN_Identity),
req->cell_to_modify[i].old_plmn.mcc,
req->cell_to_modify[i].old_plmn.mnc,
req->cell_to_modify[i].old_plmn.mnc_digit_length);
BIT_STRING_TO_NR_CELL_IDENTITY(&served_cells_item->oldNRCGI.nRCellIdentity, req->cell_to_modify[i].old_nr_cellid);
F1AP_Served_Cell_Information_t *servedCellInformation = &served_cells_item->served_Cell_Information;
/* SERVED CELL INFORMATION*/
/* tac */
if (servedCellInformation->fiveGS_TAC) {
req->cell_to_modify[i].info.tac = malloc(sizeof(*req->cell_to_modify[i].info.tac));
AssertFatal(req->cell_to_modify[i].info.tac != NULL, "out of memory\n");
OCTET_STRING_TO_INT24(servedCellInformation->fiveGS_TAC, *req->cell_to_modify[i].info.tac);
LOG_D(F1AP, "req->tac[%d] %d \n", i, *req->cell_to_modify[i].info.tac);
}
/* - nRCGI */
TBCD_TO_MCC_MNC(&(servedCellInformation->nRCGI.pLMN_Identity),
req->cell_to_modify[i].info.plmn.mcc,
req->cell_to_modify[i].info.plmn.mnc,
req->cell_to_modify[i].info.plmn.mnc_digit_length);
// NR cellID
BIT_STRING_TO_NR_CELL_IDENTITY(&servedCellInformation->nRCGI.nRCellIdentity, req->cell_to_modify[i].info.nr_cellid);
LOG_D(F1AP,
"[SCTP %d] Received nRCGI: MCC %d, MNC %d, CELL_ID %llu\n",
assoc_id,
req->cell_to_modify[i].info.plmn.mcc,
req->cell_to_modify[i].info.plmn.mnc,
(long long unsigned int)req->cell_to_modify[i].info.nr_cellid);
/* - nRPCI */
req->cell_to_modify[i].info.nr_pci = servedCellInformation->nRPCI;
LOG_D(F1AP, "req->nr_pci[%d] %d \n", i, req->cell_to_modify[i].info.nr_pci);
// FDD Cells
if (servedCellInformation->nR_Mode_Info.present == F1AP_NR_Mode_Info_PR_fDD) {
req->cell_to_modify[i].info.mode = F1AP_MODE_FDD;
f1ap_fdd_info_t *FDDs = &req->cell_to_modify[i].info.fdd;
F1AP_FDD_Info_t *fDD_Info = servedCellInformation->nR_Mode_Info.choice.fDD;
FDDs->ul_freqinfo.arfcn = fDD_Info->uL_NRFreqInfo.nRARFCN;
AssertFatal(fDD_Info->uL_NRFreqInfo.freqBandListNr.list.count == 1, "cannot handle more than one frequency band\n");
for (int f = 0; f < fDD_Info->uL_NRFreqInfo.freqBandListNr.list.count; f++) {
F1AP_FreqBandNrItem_t *FreqItem = fDD_Info->uL_NRFreqInfo.freqBandListNr.list.array[f];
FDDs->ul_freqinfo.band = FreqItem->freqBandIndicatorNr;
AssertFatal(FreqItem->supportedSULBandList.list.count == 0, "cannot handle SUL bands!\n");
}
FDDs->dl_freqinfo.arfcn = fDD_Info->dL_NRFreqInfo.nRARFCN;
int dlBands = fDD_Info->dL_NRFreqInfo.freqBandListNr.list.count;
AssertFatal(dlBands == 0, "cannot handled more than one frequency band\n");
for (int dlB = 0; dlB < dlBands; dlB++) {
F1AP_FreqBandNrItem_t *FreqItem = fDD_Info->dL_NRFreqInfo.freqBandListNr.list.array[dlB];
FDDs->dl_freqinfo.band = FreqItem->freqBandIndicatorNr;
int num_available_supported_SULBands = FreqItem->supportedSULBandList.list.count;
AssertFatal(num_available_supported_SULBands == 0, "cannot handle SUL bands!\n");
}
FDDs->ul_tbw.scs = fDD_Info->uL_Transmission_Bandwidth.nRSCS;
FDDs->ul_tbw.nrb = nrb_lut[fDD_Info->uL_Transmission_Bandwidth.nRNRB];
FDDs->dl_tbw.scs = fDD_Info->dL_Transmission_Bandwidth.nRSCS;
FDDs->dl_tbw.nrb = nrb_lut[fDD_Info->dL_Transmission_Bandwidth.nRNRB];
} else if (servedCellInformation->nR_Mode_Info.present == F1AP_NR_Mode_Info_PR_tDD) {
req->cell_to_modify[i].info.mode = F1AP_MODE_TDD;
f1ap_tdd_info_t *TDDs = &req->cell_to_modify[i].info.tdd;
F1AP_TDD_Info_t *tDD_Info = servedCellInformation->nR_Mode_Info.choice.tDD;
TDDs->freqinfo.arfcn = tDD_Info->nRFreqInfo.nRARFCN;
AssertFatal(tDD_Info->nRFreqInfo.freqBandListNr.list.count == 1, "cannot handle more than one frequency band\n");
for (int f = 0; f < tDD_Info->nRFreqInfo.freqBandListNr.list.count; f++) {
struct F1AP_FreqBandNrItem *FreqItem = tDD_Info->nRFreqInfo.freqBandListNr.list.array[f];
TDDs->freqinfo.band = FreqItem->freqBandIndicatorNr;
int num_available_supported_SULBands = FreqItem->supportedSULBandList.list.count;
AssertFatal(num_available_supported_SULBands == 0, "cannot hanlde SUL bands!\n");
}
TDDs->tbw.scs = tDD_Info->transmission_Bandwidth.nRSCS;
TDDs->tbw.nrb = nrb_lut[tDD_Info->transmission_Bandwidth.nRNRB];
} else {
AssertFatal(false, "unknown NR Mode info %d\n", servedCellInformation->nR_Mode_Info.present);
}
/* MeasurementConfig */
if (servedCellInformation->measurementTimingConfiguration.size > 0)
req->cell_to_modify[i].info.measurement_timing_config =
cp_octet_string(&servedCellInformation->measurementTimingConfiguration,
&req->cell_to_modify[i].info.measurement_timing_config_len);
/*gNB DU SYSTEM INFORMATION */
struct F1AP_GNB_DU_System_Information *DUsi = served_cells_item->gNB_DU_System_Information;
if (DUsi != NULL) {
// System Information
req->cell_to_modify[i].sys_info = calloc(1, sizeof(*req->cell_to_modify[i].sys_info));
AssertFatal(req->cell_to_modify[i].sys_info != NULL, "out of memory\n");
f1ap_gnb_du_system_info_t *sys_info = req->cell_to_modify[i].sys_info;
/* mib */
sys_info->mib = calloc(DUsi->mIB_message.size, sizeof(char));
AssertFatal(req->cell_to_modify[i].sys_info->mib != NULL, "out of memory\n");
memcpy(sys_info->mib, DUsi->mIB_message.buf, DUsi->mIB_message.size);
sys_info->mib_length = DUsi->mIB_message.size;
/* sib1 */
sys_info->sib1 = calloc(DUsi->sIB1_message.size, sizeof(char));
AssertFatal(req->cell_to_modify[i].sys_info->sib1 != NULL, "out of memory\n");
memcpy(sys_info->sib1, DUsi->sIB1_message.buf, DUsi->sIB1_message.size);
sys_info->sib1_length = DUsi->sIB1_message.size;
}
}
} else {
req->num_cells_to_modify = 0;
}
/* 3GPP TS 38.473 Served Cells To Delete List */
F1AP_FIND_PROTOCOLIE_BY_ID(F1AP_GNBDUConfigurationUpdateIEs_t,
ie,
container,
F1AP_ProtocolIE_ID_id_Served_Cells_To_Delete_List,
false);
if (ie) {
req->num_cells_to_delete = ie->value.choice.Served_Cells_To_Delete_List.list.count;
LOG_D(F1AP, "req->num_cells_to_delete %d \n", req->num_cells_to_delete);
for (i = 0; i < req->num_cells_to_delete; i++) {
F1AP_Served_Cells_To_Delete_Item_t *served_cells_item =
&((F1AP_Served_Cells_To_Delete_ItemIEs_t *)ie->value.choice.Served_Cells_To_Delete_List.list.array[i])
->value.choice.Served_Cells_To_Delete_Item;
/* - Old nRCGI */
TBCD_TO_MCC_MNC(&(served_cells_item->oldNRCGI.pLMN_Identity),
req->cell_to_delete[i].plmn.mcc,
req->cell_to_delete[i].plmn.mnc,
req->cell_to_delete[i].plmn.mnc_digit_length);
// NR cellID
BIT_STRING_TO_NR_CELL_IDENTITY(&served_cells_item->oldNRCGI.nRCellIdentity, req->cell_to_delete[i].nr_cellid);
LOG_D(F1AP,
"[SCTP %d] Received nRCGI to delete: MCC %d, MNC %d, CELL_ID %llu\n",
assoc_id,
req->cell_to_delete[i].plmn.mcc,
req->cell_to_delete[i].plmn.mnc,
(long long unsigned int)req->cell_to_delete[i].nr_cellid);
}
} else {
req->num_cells_to_delete = 0;
}
/* 3GPP TS 38.473 Cells Status List */
F1AP_FIND_PROTOCOLIE_BY_ID(F1AP_GNBDUConfigurationUpdateIEs_t, ie, container, F1AP_ProtocolIE_ID_id_Cells_Status_List, false);
/* 3GPP TS 38.473 Dedicated SI Delivery Needed UE List */
F1AP_FIND_PROTOCOLIE_BY_ID(F1AP_GNBDUConfigurationUpdateIEs_t,
ie,
container,
F1AP_ProtocolIE_ID_id_Dedicated_SIDelivery_NeededUE_List,
false);
/* 3GPP TS 38.473 gNB-DU ID */
F1AP_FIND_PROTOCOLIE_BY_ID(F1AP_GNBDUConfigurationUpdateIEs_t, ie, container, F1AP_ProtocolIE_ID_id_gNB_DU_ID, false);
if (ie != NULL)
asn_INTEGER2ulong(&ie->value.choice.GNB_DU_ID, req->gNB_DU_ID);
/* 3GPP TS 38.473 gNB-DU TNL Association To Remove List */
F1AP_FIND_PROTOCOLIE_BY_ID(F1AP_GNBDUConfigurationUpdateIEs_t,
ie,
container,
F1AP_ProtocolIE_ID_id_GNB_DU_TNL_Association_To_Remove_List,
false);
LOG_D(F1AP, "Sending F1AP_GNB_DU_CONFIGURATION_UPDATE ITTI message \n");
itti_send_msg_to_task(TASK_RRC_GNB, GNB_MODULE_ID_TO_INSTANCE(instance), message_p);
return 0;
}
int CU_send_gNB_DU_CONFIGURATION_UPDATE_ACKNOWLEDGE(
sctp_assoc_t assoc_id,
f1ap_gnb_du_configuration_update_acknowledge_t *GNBDUConfigurationUpdateAcknowledge)
{
F1AP_F1AP_PDU_t pdu = {};
uint8_t *buffer;
uint32_t len;
/* Create */
/* 0. Message */
pdu.present = F1AP_F1AP_PDU_PR_successfulOutcome;
asn1cCalloc(pdu.choice.successfulOutcome, succOut);
succOut->procedureCode = F1AP_ProcedureCode_id_gNBDUConfigurationUpdate;
succOut->criticality = F1AP_Criticality_reject;
succOut->value.present = F1AP_SuccessfulOutcome__value_PR_GNBDUConfigurationUpdateAcknowledge;
F1AP_GNBDUConfigurationUpdateAcknowledge_t *ack = &succOut->value.choice.GNBDUConfigurationUpdateAcknowledge;
/* Mandatory */
/* Transaction Id */
asn1cSequenceAdd(ack->protocolIEs.list, F1AP_GNBDUConfigurationUpdateAcknowledgeIEs_t, ie1);
ie1->id = F1AP_ProtocolIE_ID_id_TransactionID;
ie1->criticality = F1AP_Criticality_reject;
ie1->value.present = F1AP_GNBDUConfigurationUpdateAcknowledgeIEs__value_PR_TransactionID;
ie1->value.choice.TransactionID = GNBDUConfigurationUpdateAcknowledge->transaction_id;
/* Todo add optional fields */
/* encode */
if (f1ap_encode_pdu(&pdu, &buffer, &len) < 0) {
LOG_E(F1AP, "Failed to encode F1 gNB-DU CONFIGURATION UPDATE\n");
return -1;
}
LOG_DUMPMSG(F1AP, LOG_DUMP_CHAR, buffer, len, "F1AP gNB-DU CONFIGURATION UPDATE : ");
ASN_STRUCT_RESET(asn_DEF_F1AP_F1AP_PDU, &pdu);
f1ap_itti_send_sctp_data_req(assoc_id, buffer, len);
return 0;
}
/*
gNB-CU Configuration Update
*/
int CU_send_gNB_CU_CONFIGURATION_UPDATE(sctp_assoc_t assoc_id, f1ap_gnb_cu_configuration_update_t *f1ap_gnb_cu_configuration_update)
{
F1AP_F1AP_PDU_t pdu= {0};
uint8_t *buffer;
uint32_t len;
/* Create */
/* 0. Message Type */
pdu.present = F1AP_F1AP_PDU_PR_initiatingMessage;
asn1cCalloc(pdu.choice.initiatingMessage, initMsg);
initMsg->procedureCode = F1AP_ProcedureCode_id_gNBCUConfigurationUpdate;
initMsg->criticality = F1AP_Criticality_reject;
initMsg->value.present = F1AP_InitiatingMessage__value_PR_GNBCUConfigurationUpdate;
F1AP_GNBCUConfigurationUpdate_t *cfgUpdate = &pdu.choice.initiatingMessage->value.choice.GNBCUConfigurationUpdate;
/* mandatory */
/* c1. Transaction ID (integer value) */
asn1cSequenceAdd(cfgUpdate->protocolIEs.list, F1AP_GNBCUConfigurationUpdateIEs_t, ieC1);
ieC1->id = F1AP_ProtocolIE_ID_id_TransactionID;
ieC1->criticality = F1AP_Criticality_reject;
ieC1->value.present = F1AP_GNBCUConfigurationUpdateIEs__value_PR_TransactionID;
ieC1->value.choice.TransactionID = F1AP_get_next_transaction_identifier(0, 0);
// mandatory
// c2. Cells_to_be_Activated_List
if (f1ap_gnb_cu_configuration_update->num_cells_to_activate > 0) {
asn1cSequenceAdd(cfgUpdate->protocolIEs.list, F1AP_GNBCUConfigurationUpdateIEs_t, ieC3);
ieC3->id = F1AP_ProtocolIE_ID_id_Cells_to_be_Activated_List;
ieC3->criticality = F1AP_Criticality_reject;
ieC3->value.present = F1AP_GNBCUConfigurationUpdateIEs__value_PR_Cells_to_be_Activated_List;
for (int i=0; i<f1ap_gnb_cu_configuration_update->num_cells_to_activate; i++) {
asn1cSequenceAdd(ieC3->value.choice.Cells_to_be_Activated_List.list,F1AP_Cells_to_be_Activated_List_ItemIEs_t,
cells_to_be_activated_ies);
cells_to_be_activated_ies->id = F1AP_ProtocolIE_ID_id_Cells_to_be_Activated_List_Item;
cells_to_be_activated_ies->criticality = F1AP_Criticality_reject;
cells_to_be_activated_ies->value.present = F1AP_Cells_to_be_Activated_List_ItemIEs__value_PR_Cells_to_be_Activated_List_Item;
// 2.1 cells to be Activated list item
F1AP_Cells_to_be_Activated_List_Item_t *cells_to_be_activated_list_item=
&cells_to_be_activated_ies->value.choice.Cells_to_be_Activated_List_Item;
// - nRCGI
addnRCGI(cells_to_be_activated_list_item->nRCGI, f1ap_gnb_cu_configuration_update->cells_to_activate+i);
// optional
// -nRPCI
asn1cCalloc(cells_to_be_activated_list_item->nRPCI, tmp);
*tmp = f1ap_gnb_cu_configuration_update->cells_to_activate[i].nrpci; // int 0..1007
// optional
// 3.1.2 gNB-CUSystem Information
F1AP_ProtocolExtensionContainer_10696P112_t *p = calloc(1,sizeof(*p));
cells_to_be_activated_list_item->iE_Extensions = (struct F1AP_ProtocolExtensionContainer *) p;
//F1AP_ProtocolExtensionContainer_154P112_t
asn1cSequenceAdd(p->list, F1AP_Cells_to_be_Activated_List_ItemExtIEs_t, cells_to_be_activated_itemExtIEs);
cells_to_be_activated_itemExtIEs->id = F1AP_ProtocolIE_ID_id_gNB_CUSystemInformation;
cells_to_be_activated_itemExtIEs->criticality = F1AP_Criticality_reject;
cells_to_be_activated_itemExtIEs->extensionValue.present = F1AP_Cells_to_be_Activated_List_ItemExtIEs__extensionValue_PR_GNB_CUSystemInformation;
if (f1ap_gnb_cu_configuration_update->cells_to_activate[i].num_SI > 0) {
F1AP_GNB_CUSystemInformation_t *gNB_CUSystemInformation =
&cells_to_be_activated_itemExtIEs->extensionValue.choice.GNB_CUSystemInformation;
//LOG_I(F1AP, "%s() SI %d size %d: ", __func__, i, f1ap_setup_resp->SI_container_length[i][0]);
//for (int n = 0; n < f1ap_setup_resp->SI_container_length[i][0]; n++)
// printf("%02x ", f1ap_setup_resp->SI_container[i][0][n]);
//printf("\n");
// for (int sIBtype=2;sIBtype<33;sIBtype++) { //21 ? 33 ?
for (int j = 0; j < sizeofArray(f1ap_gnb_cu_configuration_update->cells_to_activate[i].SI_msg); j++) {
f1ap_sib_msg_t *SI_msg = &f1ap_gnb_cu_configuration_update->cells_to_activate[i].SI_msg[j];
if (SI_msg->SI_container != NULL) {
asn1cSequenceAdd(gNB_CUSystemInformation->sibtypetobeupdatedlist.list, F1AP_SibtypetobeupdatedListItem_t, sib_item);
sib_item->sIBtype = SI_msg->SI_type;
AssertFatal(sib_item->sIBtype < 6 || sib_item->sIBtype == 9, "Illegal SI type %ld\n", sib_item->sIBtype);
OCTET_STRING_fromBuf(&sib_item->sIBmessage, (const char *)SI_msg->SI_container, SI_msg->SI_container_length);
LOG_D(F1AP,
"f1ap_gnb_cu_configuration_update->SI_container_length[%d][sIBtype %ld] = %d \n",
i,
sib_item->sIBtype,
SI_msg->SI_container_length);
}
}
}
}
}
/* encode */
if (f1ap_encode_pdu(&pdu, &buffer, &len) < 0) {
LOG_E(F1AP, "Failed to encode F1 gNB-CU CONFIGURATION UPDATE\n");
return -1;
}
LOG_DUMPMSG(F1AP, LOG_DUMP_CHAR, buffer, len, "F1AP gNB-CU CONFIGURATION UPDATE : ");
ASN_STRUCT_RESET(asn_DEF_F1AP_F1AP_PDU, &pdu);
f1ap_itti_send_sctp_data_req(assoc_id, buffer, len);
return 0;
}
int CU_handle_gNB_CU_CONFIGURATION_UPDATE_ACKNOWLEDGE(instance_t instance,
sctp_assoc_t assoc_id,
uint32_t stream,
F1AP_F1AP_PDU_t *pdu)
{
LOG_I(F1AP,"Cell Configuration ok (assoc_id %d)\n",assoc_id);
return(0);
}
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