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Use F1AP lib for UL RRC Message Trasfer in stack

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This commit is contained in:
Guido Casati
2024-09-27 11:22:03 +02:00
parent cc0ad07aa0
commit 1a8ed8642f
2 changed files with 56 additions and 100 deletions
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openair2/F1AP/f1ap_du_rrc_message_transfer.c
+16 -51
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@@ -100,64 +100,29 @@ int DU_send_INITIAL_UL_RRC_MESSAGE_TRANSFER(sctp_assoc_t assoc_id, const f1ap_in
int DU_send_UL_NR_RRC_MESSAGE_TRANSFER(sctp_assoc_t assoc_id, const f1ap_ul_rrc_message_t *msg)
{
F1AP_F1AP_PDU_t pdu= {0};
F1AP_ULRRCMessageTransfer_t *out;
uint8_t *buffer = NULL;
uint32_t len;
LOG_D(F1AP,
"size %d UE RNTI %x in SRB %d\n",
msg->rrc_container_length,
msg->gNB_DU_ue_id,
msg->srb_id);
//for (int i = 0;i < msg->rrc_container_length; i++)
// printf("%02x ", msg->rrc_container[i]);
//printf("\n");
/* Create */
/* 0. Message Type */
pdu.present = F1AP_F1AP_PDU_PR_initiatingMessage;
asn1cCalloc(pdu.choice.initiatingMessage, tmp);
tmp->procedureCode = F1AP_ProcedureCode_id_ULRRCMessageTransfer;
tmp->criticality = F1AP_Criticality_ignore;
tmp->value.present = F1AP_InitiatingMessage__value_PR_ULRRCMessageTransfer;
out = &tmp->value.choice.ULRRCMessageTransfer;
/* mandatory */
/* c1. GNB_CU_UE_F1AP_ID */
asn1cSequenceAdd(out->protocolIEs.list, F1AP_ULRRCMessageTransferIEs_t, ie1);
ie1->id = F1AP_ProtocolIE_ID_id_gNB_CU_UE_F1AP_ID;
ie1->criticality = F1AP_Criticality_reject;
ie1->value.present = F1AP_ULRRCMessageTransferIEs__value_PR_GNB_CU_UE_F1AP_ID;
ie1->value.choice.GNB_CU_UE_F1AP_ID = msg->gNB_CU_ue_id;
/* mandatory */
/* c2. GNB_DU_UE_F1AP_ID */
asn1cSequenceAdd(out->protocolIEs.list, F1AP_ULRRCMessageTransferIEs_t, ie2);
ie2->id = F1AP_ProtocolIE_ID_id_gNB_DU_UE_F1AP_ID;
ie2->criticality = F1AP_Criticality_reject;
ie2->value.present = F1AP_ULRRCMessageTransferIEs__value_PR_GNB_DU_UE_F1AP_ID;
ie2->value.choice.GNB_DU_UE_F1AP_ID = msg->gNB_DU_ue_id;
/* mandatory */
/* c3. SRBID */
asn1cSequenceAdd(out->protocolIEs.list, F1AP_ULRRCMessageTransferIEs_t, ie3);
ie3->id = F1AP_ProtocolIE_ID_id_SRBID;
ie3->criticality = F1AP_Criticality_reject;
ie3->value.present = F1AP_ULRRCMessageTransferIEs__value_PR_SRBID;
ie3->value.choice.SRBID = msg->srb_id;
// issue in here
/* mandatory */
/* c4. RRCContainer */
asn1cSequenceAdd(out->protocolIEs.list, F1AP_ULRRCMessageTransferIEs_t, ie4);
ie4->id = F1AP_ProtocolIE_ID_id_RRCContainer;
ie4->criticality = F1AP_Criticality_reject;
ie4->value.present = F1AP_ULRRCMessageTransferIEs__value_PR_RRCContainer;
OCTET_STRING_fromBuf(&ie4->value.choice.RRCContainer,
(const char *) msg->rrc_container,
msg->rrc_container_length);
/* encode */
if (f1ap_encode_pdu(&pdu, &buffer, &len) < 0) {
LOG_E(F1AP, "Failed to encode F1 UL RRC MESSAGE TRANSFER \n");
/* 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;
}