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Use F1AP gNB-CU Configuration Update lib in stack

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This commit is contained in:
Guido Casati
2024-09-27 17:38:38 +02:00
parent 3626366228
commit 80a05271d6
4 changed files with 33 additions and 225 deletions
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openair2/F1AP/f1ap_cu_interface_management.c
+15 -87
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@@ -189,99 +189,27 @@ int CU_send_gNB_DU_CONFIGURATION_UPDATE_ACKNOWLEDGE(
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)
/**
* @brief F1 gNB-CU Configuration Update message encoding and transfer
*/
int CU_send_gNB_CU_CONFIGURATION_UPDATE(sctp_assoc_t assoc_id, f1ap_gnb_cu_configuration_update_t *msg)
{
F1AP_F1AP_PDU_t pdu= {0};
/* complete F1AP message */
msg->transaction_id = F1AP_get_next_transaction_identifier(0, 0); // note: has to be done in the caller
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");
/* Encode F1 gNB-CU Configuration Update message */
F1AP_F1AP_PDU_t *pdu = encode_f1ap_cu_configuration_update(msg);
/* Free after encoding */
free_f1ap_cu_configuration_update(msg);
/* Encode F1AP PDU */
if (f1ap_encode_pdu(pdu, &buffer, &len) < 0) {
ASN_STRUCT_FREE(asn_DEF_F1AP_F1AP_PDU, pdu);
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);
ASN_STRUCT_FREE(asn_DEF_F1AP_F1AP_PDU, pdu);
f1ap_itti_send_sctp_data_req(assoc_id, buffer, len);
return 0;
}