105 lines
3.0 KiB
C
105 lines
3.0 KiB
C
/*
|
|
* SPDX-License-Identifier: LicenseRef-CSSL-1.0
|
|
*/
|
|
|
|
#include "f1ap_common.h"
|
|
#include "f1ap_encoder.h"
|
|
#include "f1ap_itti_messaging.h"
|
|
|
|
#include "f1ap_du_rrc_message_transfer.h"
|
|
|
|
#include "uper_decoder.h"
|
|
|
|
#include "NR_DL-CCCH-Message.h"
|
|
#include "NR_UL-CCCH-Message.h"
|
|
#include "NR_DL-DCCH-Message.h"
|
|
#include "NR_UL-DCCH-Message.h"
|
|
// for SRB1_logicalChannelConfig_defaultValue
|
|
#include "rrc_extern.h"
|
|
#include "common/ran_context.h"
|
|
|
|
#include "openair2/RRC/NR/rrc_gNB_UE_context.h"
|
|
#include "asn1_msg.h"
|
|
#include "intertask_interface.h"
|
|
|
|
#include "openair2/LAYER2/NR_MAC_gNB/mac_rrc_dl_handler.h"
|
|
|
|
#include "f1ap_rrc_message_transfer.h"
|
|
|
|
/* DL RRC Message Transfer */
|
|
int DU_handle_DL_RRC_MESSAGE_TRANSFER(instance_t instance, sctp_assoc_t assoc_id, uint32_t stream, F1AP_F1AP_PDU_t *pdu)
|
|
{
|
|
UNUSED(instance);
|
|
UNUSED(assoc_id);
|
|
UNUSED(stream);
|
|
f1ap_dl_rrc_message_t msg = {0};
|
|
if (!decode_dl_rrc_message_transfer(pdu, &msg)) {
|
|
LOG_E(F1AP, "cannot decode F1 DL RRC message Transfer\n");
|
|
free_dl_rrc_message_transfer(&msg);
|
|
return -1;
|
|
}
|
|
|
|
dl_rrc_message_transfer(&msg);
|
|
/* Free DL RRC Message Transfer */
|
|
free_dl_rrc_message_transfer(&msg);
|
|
return 0;
|
|
}
|
|
|
|
/* UL RRC Message Transfer */
|
|
int DU_send_INITIAL_UL_RRC_MESSAGE_TRANSFER(sctp_assoc_t assoc_id, const f1ap_initial_ul_rrc_message_t *msg)
|
|
{
|
|
/* encode Initial UL RRC Message Transfer */
|
|
F1AP_F1AP_PDU_t *pdu = encode_initial_ul_rrc_message_transfer(msg);
|
|
/* free F1AP message after encoding */
|
|
free_initial_ul_rrc_message_transfer(msg);
|
|
|
|
if (pdu == NULL) {
|
|
LOG_E(F1AP, "cannot encode F1 INITIAL UL RRC MESSAGE TRANSFER, can't send message\n");
|
|
ASN_STRUCT_FREE(asn_DEF_F1AP_F1AP_PDU, pdu);
|
|
return -1;
|
|
}
|
|
|
|
/* encode F1AP PDU */
|
|
uint8_t *buffer = NULL;
|
|
uint32_t len = 0;
|
|
if (f1ap_encode_pdu(pdu, &buffer, &len) < 0) {
|
|
LOG_E(F1AP, "Failed to encode F1 INITIAL UL RRC MESSAGE TRANSFER\n");
|
|
ASN_STRUCT_FREE(asn_DEF_F1AP_F1AP_PDU, pdu);
|
|
return -1;
|
|
}
|
|
ASN_STRUCT_FREE(asn_DEF_F1AP_F1AP_PDU, pdu);
|
|
|
|
/* Send to ITTI */
|
|
f1ap_itti_send_sctp_data_req(assoc_id, buffer, len);
|
|
return 0;
|
|
}
|
|
|
|
int DU_send_UL_NR_RRC_MESSAGE_TRANSFER(sctp_assoc_t assoc_id, const f1ap_ul_rrc_message_t *msg)
|
|
{
|
|
LOG_D(F1AP,
|
|
"size %d UE RNTI %x in SRB %d\n",
|
|
msg->rrc_container_length,
|
|
msg->gNB_DU_ue_id,
|
|
msg->srb_id);
|
|
/* encode UL RRC Message Transfer */
|
|
F1AP_F1AP_PDU_t *pdu = encode_ul_rrc_message_transfer(msg);
|
|
if (pdu == NULL) {
|
|
LOG_E(F1AP, "Failed to encode F1 UL RRC MESSAGE TRANSFER: cannot send message\n");
|
|
ASN_STRUCT_FREE(asn_DEF_F1AP_F1AP_PDU, pdu);
|
|
return -1;
|
|
}
|
|
/* encode F1AP PDU */
|
|
uint8_t *buffer = NULL;
|
|
uint32_t len;
|
|
if (f1ap_encode_pdu(pdu, &buffer, &len) < 0) {
|
|
LOG_E(F1AP, "Failed to encode F1 UL RRC MESSAGE TRANSFER \n");
|
|
ASN_STRUCT_FREE(asn_DEF_F1AP_F1AP_PDU, pdu);
|
|
return -1;
|
|
}
|
|
/* Free F1AP PDU */
|
|
ASN_STRUCT_FREE(asn_DEF_F1AP_F1AP_PDU, pdu);
|
|
/* Send to ITTI */
|
|
f1ap_itti_send_sctp_data_req(assoc_id, buffer, len);
|
|
return 0;
|
|
}
|