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Add Positioning Information Request NRPPA message decoding procedures

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This commit is contained in:
Rakesh Mundlamuri
2026-01-22 19:04:21 +05:30
parent 0282e64a3b
commit 1be578e893
6 changed files with 46 additions and 1 deletions
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4
openair2/COMMON/nrppa_messages_def.h
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@@ -24,3 +24,7 @@
// LMF -> CU
MESSAGE_DEF(NRPPA_TRP_INFORMATION_REQ, MESSAGE_PRIORITY_MED, nrppa_trp_information_req_t, nrppa_trp_information_req)
MESSAGE_DEF(NRPPA_TRP_INFORMATION_RESP, MESSAGE_PRIORITY_MED, nrppa_trp_information_resp_t, nrppa_trp_information_resp)
MESSAGE_DEF(NRPPA_POSITIONING_INFORMATION_REQ,
MESSAGE_PRIORITY_MED,
nrppa_positioning_information_req_t,
nrppa_positioning_information_req)

6
openair2/COMMON/nrppa_messages_types.h
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@@ -26,6 +26,7 @@
#define NRPPA_TRP_INFORMATION_REQ(mSGpTR) (mSGpTR)->ittiMsg.nrppa_trp_information_req
#define NRPPA_TRP_INFORMATION_RESP(mSGpTR) (mSGpTR)->ittiMsg.nrppa_trp_information_resp
#define NRPPA_POSITIONING_INFORMATION_REQ(mSGpTR) (mSGpTR)->ittiMsg.nrppa_positioning_information_req
/* Structure of Positioning related NRPPA messages */
/* IE structures for Positioning related messages as per TS 38.455 V16.7.1*/
@@ -245,4 +246,9 @@ typedef struct nrppa_trp_information_resp_s {
nrppa_trp_information_list_t trp_information_list;
} nrppa_trp_information_resp_t;
typedef struct nrppa_positioning_information_req_s {
// IE 9.2.4 (mandatory)
uint16_t transaction_id;
} nrppa_positioning_information_req_t;
#endif // NRPPA_MESSAGES_TYPES_H_

5
openair3/NRPPA/nrppa_gNB_decoder.c
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@@ -35,6 +35,11 @@ static int nrppa_gNB_decode_initiating_message(NRPPA_NRPPA_PDU_t *pdu)
LOG_I(NRPPA, "TRP Information Request initiating message\n");
free(res.buffer);
break;
case NRPPA_ProcedureCode_id_positioningInformationExchange: // PositioningInformationRequest
res = asn_encode_to_new_buffer(NULL, ATS_CANONICAL_XER, &asn_DEF_NRPPA_NRPPA_PDU, pdu);
LOG_I(NRPPA, "Positioning Information Request initiating message\n");
free(res.buffer);
break;
default:
AssertFatal(false, "Unknown procedure ID (%d) for initiating message\n", (int)pdu->choice.initiatingMessage->procedureCode);

4
openair3/NRPPA/nrppa_gNB_handlers.c
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@@ -47,7 +47,9 @@ nrppa_message_decoded_callback nrppa_messages_callback[][3] = {
{0, 0, 0}, // NRPPA_ProcedureCode_id_oTDOAInformationExchange ((NRPPA_ProcedureCode_t)6)
{0, 0, 0}, // NRPPA_ProcedureCode_id_assistanceInformationControl ((NRPPA_ProcedureCode_t)7)
{0, 0, 0}, // NRPPA_ProcedureCode_id_assistanceInformationFeedback ((NRPPA_ProcedureCode_t)8)
{0, 0, 0}, // NRPPA_ProcedureCode_id_positioningInformationExchange ((NRPPA_ProcedureCode_t)9)
{nrppa_gNB_handle_positioning_information_request,
0,
0}, // NRPPA_ProcedureCode_id_positioningInformationExchange ((NRPPA_ProcedureCode_t)9)
{0, 0, 0}, // NRPPA_ProcedureCode_id_positioningInformationUpdate ((NRPPA_ProcedureCode_t)10)
{0, 0, 0}, // NRPPA_ProcedureCode_id_Measurement ((NRPPA_ProcedureCode_t)11)
{0, 0, 0}, // NRPPA_ProcedureCode_id_MeasurementReport ((NRPPA_ProcedureCode_t)12)

27
openair3/NRPPA/nrppa_gNB_location_information_transfer.c
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@@ -415,3 +415,30 @@ int nrppa_gNB_trp_information_response(instance_t instance, MessageDef *msg_p)
return length;
}
int nrppa_gNB_handle_positioning_information_request(nrppa_gnb_ue_info_t *nrppa_msg_info, const NRPPA_NRPPA_PDU_t *pdu)
{
DevAssert(pdu != NULL);
DevAssert(nrppa_msg_info != NULL);
if (LOG_DEBUGFLAG(DEBUG_ASN1)) {
xer_fprint(stdout, &asn_DEF_NRPPA_NRPPA_PDU, pdu);
}
LOG_I(NRPPA, "Processing Received Positioning Information Request\n");
// Preparing positioning information request for RRC
MessageDef *msg = itti_alloc_new_message(TASK_RRC_GNB, 0, NRPPA_POSITIONING_INFORMATION_REQ);
nrppa_positioning_information_req_t *req = &NRPPA_POSITIONING_INFORMATION_REQ(msg);
// IE 9.2.4 nrppatransactionID : mandatory
req->transaction_id = pdu->choice.initiatingMessage->nrppatransactionID;
nrppa_store_ue_context(nrppa_msg_info, req->transaction_id);
LOG_I(NRPPA, "Forwarding to RRC Positioning Information Request transaction id=%d\n", req->transaction_id);
itti_send_msg_to_task(TASK_RRC_GNB, 0, msg);
ASN_STRUCT_FREE_CONTENTS_ONLY(asn_DEF_NRPPA_NRPPA_PDU, &pdu);
return 0;
}

1
openair3/NRPPA/nrppa_gNB_location_information_transfer.h
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@@ -28,5 +28,6 @@ int nrppa_gNB_trp_information_response(instance_t instance, MessageDef *msg_p);
void free_trp_information_request(nrppa_trp_information_req_t *msg);
NRPPA_TRPInformationItem_t encode_trp_info_type_response_item_nrppa(nrppa_trp_information_type_response_item_t *in);
void free_trp_information_response(nrppa_trp_information_resp_t *msg);
int nrppa_gNB_handle_positioning_information_request(nrppa_gnb_ue_info_t *nrppa_msg_info, const NRPPA_NRPPA_PDU_t *pdu);
#endif /* NRPPA_GNB_POSITIONING_PROCEDURES_H_ */