maki/openairinterface5g
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Add NGAP UPLINK NON UE ASSOCIATED NRPPA TRANSPORT message encoding

Browse Source 
Reference: 3GPP 38.413 v16.0.0

Mandatory fields:
Routing ID (supported)
NRPPa-PDU (supported)
This commit is contained in:
Rakesh Mundlamuri
2026-02-27 17:51:27 +05:30
parent bf90e523a7
commit e832424240
3 changed files with 78 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
openair2/COMMON/ngap_messages_types.h
+8
View File
@@ -1019,4 +1019,12 @@ typedef struct {
byte_array_t nrppa_pdu;
} ngap_uplink_ue_associated_nrppa_t;
// Uplink NON UE Associated NRPPA Transport message (9.2.9.4 3GPP 38.413 v16.0.0)
typedef struct {
// Routing ID (Mandatory)
byte_array_t routing_id;
// NRPPa pdu (Mandatory)
byte_array_t nrppa_pdu;
} ngap_uplink_non_ue_associated_nrppa_t;
#endif /* NGAP_MESSAGES_TYPES_H_ */
openair3/NGAP/ngap_gNB_NRPPa_transport_procedures.c
+67
View File
@@ -127,3 +127,70 @@ int ngap_gNB_uplink_ue_associated_nrppa_transport(instance_t instance, const nga
ASN_STRUCT_FREE_CONTENTS_ONLY(asn_DEF_NGAP_NGAP_PDU, &pdu);
return 0;
}
// UPLINK NON UE ASSOCIATED NRPPA TRANSPORT (9.2.9.4 of TS 38.413 Version 16.0.0)
int ngap_gNB_uplink_non_ue_associated_nrppa_transport(instance_t instance, const ngap_uplink_non_ue_associated_nrppa_t *msg)
{
LOG_I(NGAP, "ngap_gNB_uplink_non_ue_associated_nrppa_transport\n");
DevAssert(msg != NULL);
DevAssert(msg->routing_id.buf);
DevAssert(msg->routing_id.len);
DevAssert(msg->nrppa_pdu.buf);
DevAssert(msg->nrppa_pdu.len);
// Retrieve the NGAP gNB instance associated with Mod_id
ngap_gNB_instance_t *ngap_gNB_instance_p = NULL;
ngap_gNB_instance_p = ngap_gNB_get_instance(instance);
DevAssert(ngap_gNB_instance_p != NULL);
// Retrieve the NGAP gNB amf data
ngap_gNB_amf_data_t *amf_desc_p = NULL;
amf_desc_p = ngap_gNB_get_AMF_from_instance(ngap_gNB_instance_p);
DevAssert(amf_desc_p != NULL);
// Prepare the NGAP message to encode
NGAP_NGAP_PDU_t pdu = {0};
// IE: 9.3.1.1 Message Type UplinkNonUEAssociatedNRPPaTransport
pdu.present = NGAP_NGAP_PDU_PR_initiatingMessage;
asn1cCalloc(pdu.choice.initiatingMessage, head);
head->procedureCode = NGAP_ProcedureCode_id_UplinkNonUEAssociatedNRPPaTransport;
head->criticality = NGAP_Criticality_ignore;
head->value.present = NGAP_InitiatingMessage__value_PR_UplinkNonUEAssociatedNRPPaTransport;
NGAP_UplinkNonUEAssociatedNRPPaTransport_t *out = &head->value.choice.UplinkNonUEAssociatedNRPPaTransport;
// IE: 9.3.3.13 Routing ID (mandatory)
{
asn1cSequenceAdd(out->protocolIEs.list, NGAP_UplinkNonUEAssociatedNRPPaTransportIEs_t, ie);
ie->id = NGAP_ProtocolIE_ID_id_RoutingID;
ie->criticality = NGAP_Criticality_reject;
ie->value.present = NGAP_UplinkNonUEAssociatedNRPPaTransportIEs__value_PR_RoutingID;
ie->value.choice.RoutingID.buf = msg->routing_id.buf;
ie->value.choice.RoutingID.size = msg->routing_id.len;
}
// IE: 9.3.3.14 NRPPa-PDU (mandatory)
{
asn1cSequenceAdd(out->protocolIEs.list, NGAP_UplinkNonUEAssociatedNRPPaTransportIEs_t, ie);
ie->id = NGAP_ProtocolIE_ID_id_NRPPa_PDU;
ie->criticality = NGAP_Criticality_reject;
ie->value.present = NGAP_UplinkNonUEAssociatedNRPPaTransportIEs__value_PR_NRPPa_PDU;
ie->value.choice.NRPPa_PDU.buf = msg->nrppa_pdu.buf;
ie->value.choice.NRPPa_PDU.size = msg->nrppa_pdu.len;
}
// Encode NGAP message
uint8_t *buffer = NULL;
uint32_t length = 0;
if (ngap_gNB_encode_pdu(&pdu, &buffer, &length) < 0) {
LOG_E(NGAP, "Failed to encode Uplink Non UE Associated NRPPa Transport\n");
ASN_STRUCT_FREE_CONTENTS_ONLY(asn_DEF_NGAP_NGAP_PDU, &pdu);
return -1;
}
// Non UE-Associated signalling -> stream = 0
LOG_I(NGAP, "Sending ngap_gNB_uplink_non_ue_associated_nrppa_transport over SCTP (assoc_id %d)\n", amf_desc_p->assoc_id);
ngap_gNB_itti_send_sctp_data_req(ngap_gNB_instance_p->instance, amf_desc_p->assoc_id, buffer, length, 0);
ASN_STRUCT_FREE_CONTENTS_ONLY(asn_DEF_NGAP_NGAP_PDU, &pdu);
return 0;
}
openair3/NGAP/ngap_gNB_NRPPa_transport_procedures.h
+3
View File
@@ -25,4 +25,7 @@
// UPLINK UE ASSOCIATED NRPPA TRANSPORT (9.2.9.2 of TS 38.413 Version 16.0.0)
int ngap_gNB_uplink_ue_associated_nrppa_transport(instance_t instance, const ngap_uplink_ue_associated_nrppa_t *msg);
// UPLINK NON UE ASSOCIATED NRPPA TRANSPORT (9.2.9.4 of TS 38.413 Version 16.0.0)
int ngap_gNB_uplink_non_ue_associated_nrppa_transport(instance_t instance, const ngap_uplink_non_ue_associated_nrppa_t *msg);
#endif /* NGAP_GNB_NRPPA_PROCEDURES_H_ */