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Add NGAP DOWNLINK UE ASSOCIATED NRPPA TRANSPORT message decoding

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Reference: 3GPP 38.413 v16.0.0

Mandatory fields:
AMF UE NGAP ID (supported)
RAN UE NGAP ID (supported)
Routing ID (supported)
NRPPa-PDU (supported)
This commit is contained in:
Rakesh Mundlamuri
2025-12-29 18:22:46 +05:30
parent e832424240
commit d4c0431cc7
5 changed files with 104 additions and 0 deletions
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6
openair2/COMMON/ngap_messages_def.h
View File

@@ -88,3 +88,9 @@ MESSAGE_DEF(NGAP_HANDOVER_CANCEL_ACK, MESSAGE_PRIORITY_MED, ngap_handover_cancel
/* NGAP <-> RRC messages (can be initiated either by MME or gNB) */
MESSAGE_DEF(NGAP_UE_CONTEXT_RELEASE_REQ , MESSAGE_PRIORITY_MED, ngap_ue_release_req_t , ngap_ue_release_req)
/* NGAP -> NRPPA messages*/
MESSAGE_DEF(NGAP_DOWNLINKUEASSOCIATEDNRPPA,
MESSAGE_PRIORITY_MED,
ngap_downlink_ue_associated_nrppa_t,
ngap_downlink_ue_associated_nrppa)

13
openair2/COMMON/ngap_messages_types.h
View File

@@ -79,6 +79,7 @@
#define NGAP_UL_RAN_STATUS_TRANSFER(mSGpTR) (mSGpTR)->ittiMsg.ngap_ul_ran_status_transfer
#define NGAP_DL_RAN_STATUS_TRANSFER(mSGpTR) (mSGpTR)->ittiMsg.ngap_dl_ran_status_transfer
#define NGAP_DOWNLINKUEASSOCIATEDNRPPA(mSGpTR) (mSGpTR)->ittiMsg.ngap_downlink_ue_associated_nrppa
//-------------------------------------------------------------------------------------------//
/* Length of the transport layer address string
@@ -1027,4 +1028,16 @@ typedef struct {
byte_array_t nrppa_pdu;
} ngap_uplink_non_ue_associated_nrppa_t;
// Downlink UE Associated NRPPA Transport message (9.2.9.1 3GPP 38.413 v16.0.0)
typedef struct {
// AMF UE NGAP ID (Mandatory)
uint64_t amf_ue_ngap_id;
// RAN UE NGAP ID (Mandatory)
uint32_t gNB_ue_ngap_id;
// Routing ID (Mandatory)
byte_array_t routing_id;
// NRPPa pdu (Mandatory)
byte_array_t nrppa_pdu;
} ngap_downlink_ue_associated_nrppa_t;
#endif /* NGAP_MESSAGES_TYPES_H_ */