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handle user location in ngap uplink nas transport (#772)

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smartVan 2021-01-20 22:27:57 +08:00 committed by GitHub
parent 8e29eb2417
commit 50db1aaeb1
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1 changed files with 35 additions and 0 deletions
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35
src/amf/ngap-handler.c
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@ -507,6 +507,8 @@ void ngap_handle_uplink_nas_transport(
NGAP_RAN_UE_NGAP_ID_t *RAN_UE_NGAP_ID = NULL;
NGAP_AMF_UE_NGAP_ID_t *AMF_UE_NGAP_ID = NULL;
NGAP_NAS_PDU_t *NAS_PDU = NULL;
NGAP_UserLocationInformation_t *UserLocationInformation = NULL;
NGAP_UserLocationInformationNR_t *UserLocationInformationNR = NULL;
ogs_assert(gnb);
ogs_assert(gnb->sctp.sock);
@ -531,6 +533,10 @@ void ngap_handle_uplink_nas_transport(
case NGAP_ProtocolIE_ID_id_NAS_PDU:
NAS_PDU = &ie->value.choice.NAS_PDU;
break;
case NGAP_ProtocolIE_ID_id_UserLocationInformation:
UserLocationInformation =
&ie->value.choice.UserLocationInformation;
break;
default:
break;
}
@ -565,6 +571,22 @@ void ngap_handle_uplink_nas_transport(
return;
}
if (!UserLocationInformation) {
ogs_error("No UserLocationInformation");
ngap_send_error_indication(gnb, &ran_ue->ran_ue_ngap_id, NULL,
NGAP_Cause_PR_protocol, NGAP_CauseProtocol_semantic_error);
return;
}
if (UserLocationInformation->present !=
NGAP_UserLocationInformation_PR_userLocationInformationNR) {
ogs_error("Not implemented UserLocationInformation[%d]",
UserLocationInformation->present);
ngap_send_error_indication(gnb, &ran_ue->ran_ue_ngap_id, NULL,
NGAP_Cause_PR_protocol, NGAP_CauseProtocol_unspecified);
return;
}
if (!NAS_PDU) {
ogs_error("No NAS_PDU");
ngap_send_error_indication(
@ -573,6 +595,19 @@ void ngap_handle_uplink_nas_transport(
return;
}
UserLocationInformationNR =
UserLocationInformation->choice.userLocationInformationNR;
ogs_assert(UserLocationInformationNR);
ogs_ngap_ASN_to_nr_cgi(
&UserLocationInformationNR->nR_CGI, &ran_ue->saved.nr_cgi);
ogs_ngap_ASN_to_5gs_tai(
&UserLocationInformationNR->tAI, &ran_ue->saved.tai);
ogs_info(" RAN_UE_NGAP_ID[%d] AMF_UE_NGAP_ID[%lld] "
"TAC[%d] CellID[0x%llx]",
ran_ue->ran_ue_ngap_id, (long long)ran_ue->amf_ue_ngap_id,
ran_ue->saved.tai.tac.v, (long long)ran_ue->saved.nr_cgi.cell_id);
ngap_send_to_nas(ran_ue,
NGAP_ProcedureCode_id_UplinkNASTransport, NAS_PDU);
}