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Add Positioning Activation Response NRPPA message encoding procedures

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This commit is contained in:
Rakesh Mundlamuri
2026-01-23 19:09:42 +05:30
parent defafa8d24
commit 192508e6cc
6 changed files with 89 additions and 0 deletions
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3
openair3/NRPPA/nrppa_gNB.c
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@@ -63,6 +63,9 @@ void *nrppa_gNB_process_itti_msg(void *notUsed)
case NRPPA_POSITIONING_INFORMATION_RESP:
nrppa_gNB_positioning_information_response(instance, received_msg);
break;
case NRPPA_POSITIONING_ACTIVATION_RESP:
nrppa_gNB_positioning_activation_response(instance, received_msg);
break;
default:
LOG_E(NRPPA, "Received unhandled message: %d:%s\n", ITTI_MSG_ID(received_msg), ITTI_MSG_NAME(received_msg));
break;

65
openair3/NRPPA/nrppa_gNB_location_information_transfer.c
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@@ -1312,3 +1312,68 @@ int nrppa_gNB_handle_positioning_activation_request(nrppa_gnb_ue_info_t *nrppa_m
ASN_STRUCT_FREE_CONTENTS_ONLY(asn_DEF_NRPPA_NRPPA_PDU, &pdu);
return 0;
}
int nrppa_gNB_positioning_activation_response(instance_t instance, MessageDef *msg_p)
{
DevAssert(msg_p);
nrppa_positioning_activation_resp_t *resp = &NRPPA_POSITIONING_ACTIVATION_RESP(msg_p);
nrppa_gNB_ue_context_t *ue_info = nrppa_detach_ue_context(resp->transaction_id);
if (ue_info->gNB_ue_ngap_id <= 0 && ue_info->amf_ue_ngap_id <= 0) {
LOG_E(NRPPA, "Illegal gNB_ue_ngap_id %d and amf_ue_ngap_id %ld\n", ue_info->gNB_ue_ngap_id, ue_info->amf_ue_ngap_id);
nrppa_free_ue_context(ue_info);
return -1;
}
LOG_I(NRPPA,
"Received PositioningInformationResponse info from RRC with transaction_id=%u and gNB_ue_ngap_id %u\n",
ue_info->transaction_id,
ue_info->gNB_ue_ngap_id);
// Prepare NRPPA TRP Information transfer Response
NRPPA_NRPPA_PDU_t pdu = {0};
// IE: 9.2.3 Message Type : mandatory
pdu.present = NRPPA_NRPPA_PDU_PR_successfulOutcome;
asn1cCalloc(pdu.choice.successfulOutcome, head);
head->procedureCode = NRPPA_ProcedureCode_id_positioningActivation;
head->criticality = NRPPA_Criticality_reject;
head->value.present = NRPPA_SuccessfulOutcome__value_PR_PositioningActivationResponse;
// IE 9.2.4 nrppatransactionID : mandatory
head->nrppatransactionID = resp->transaction_id;
LOG_I(NRPPA, "Calling encoder for PositioningActivationResponse \n");
if (LOG_DEBUGFLAG(DEBUG_ASN1)) {
xer_fprint(stdout, &asn_DEF_NRPPA_NRPPA_PDU, &pdu);
}
// Encode NRPPA message
uint8_t *buffer = NULL;
uint32_t length = 0;
if (nrppa_gNB_encode_pdu(&pdu, &buffer, &length) < 0) {
LOG_E(NRPPA, "Failed to encode Uplink NRPPa PositioningActivationResponse\n");
nrppa_free_ue_context(ue_info);
ASN_STRUCT_FREE_CONTENTS_ONLY(asn_DEF_NRPPA_NRPPA_PDU, &pdu);
return -1;
}
MessageDef *msg = itti_alloc_new_message(TASK_NRPPA, 0, NGAP_UPLINKUEASSOCIATEDNRPPA);
ngap_uplink_ue_associated_nrppa_t *ULNRPPA = &NGAP_UPLINKUEASSOCIATEDNRPPA(msg);
ULNRPPA->gNB_ue_ngap_id = ue_info->gNB_ue_ngap_id;
ULNRPPA->amf_ue_ngap_id = ue_info->amf_ue_ngap_id;
// Routing ID
ULNRPPA->routing_id = create_byte_array(ue_info->routing_id.len, ue_info->routing_id.buf);
// NRPPA PDU
ULNRPPA->nrppa_pdu = create_byte_array(length, buffer);
// Forward the NRPPA PDU to NGAP
itti_send_msg_to_task(TASK_NGAP, instance, msg);
nrppa_free_ue_context(ue_info);
free(buffer);
return length;
}

1
openair3/NRPPA/nrppa_gNB_location_information_transfer.h
View File

@@ -35,5 +35,6 @@ void free_positioning_information_response(nrppa_positioning_information_resp_t
int nrppa_gNB_handle_positioning_activation_request(nrppa_gnb_ue_info_t *nrppa_msg_info, const NRPPA_NRPPA_PDU_t *pdu);
void decode_nrppa_srstype(NRPPA_SRSType_t *srs_type, nrppa_srs_type_t *out);
void free_positioning_activation_request(nrppa_positioning_activation_req_t *msg);
int nrppa_gNB_positioning_activation_response(instance_t instance, MessageDef *msg_p);
#endif /* NRPPA_GNB_POSITIONING_PROCEDURES_H_ */