forked from acouzens/open5gs
[SMF] Deregister issue during sess release (#2537)
A situation in which you establish two sessions and release both of them. In the first SESSION, the UE normally sent PDUSessionResourceReleaseResponse and PDU session release complete. However, these were not sent when releasing the second SESSION. At this point, when the UE tried to do a deregistration, the SMF was not properly handling the exception. I've just fixed this.
This commit is contained in:
Sukchan Lee
parent
5469ae9855
commit
04f7958420
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@ -1043,9 +1043,14 @@ void smf_gsm_state_operational(ogs_fsm_t *s, smf_event_t *e)
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ogs_expect(r == OGS_OK);
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ogs_assert(r != OGS_ERROR);
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} else {
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ogs_error("[%s:%d] No PolicyAssociationId",
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smf_ue->supi, sess->psi);
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OGS_FSM_TRAN(s, smf_gsm_state_exception);
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ogs_warn("[%s:%d] No PolicyAssociationId. "
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"Forcibly remove SESSION", smf_ue->supi, sess->psi);
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r = smf_sbi_discover_and_send(
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OGS_SBI_SERVICE_TYPE_NUDM_UECM, NULL,
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smf_nudm_uecm_build_deregistration, sess, stream,
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SMF_UECM_STATE_DEREGISTERED_BY_AMF, NULL);
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ogs_expect(r == OGS_OK);
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ogs_assert(r != OGS_ERROR);
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}
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break;
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@ -1516,6 +1521,9 @@ void smf_gsm_state_wait_5gc_n1_n2_release(ogs_fsm_t *s, smf_event_t *e)
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CASE(OGS_SBI_RESOURCE_NAME_MODIFY)
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smf_nsmf_handle_update_sm_context(sess, stream, sbi_message);
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break;
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CASE(OGS_SBI_RESOURCE_NAME_RELEASE)
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smf_nsmf_handle_release_sm_context(sess, stream, sbi_message);
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break;
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DEFAULT
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ogs_error("Invalid resource name [%s]",
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sbi_message->h.resource.component[2]);
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@ -682,12 +682,14 @@ bool smf_nsmf_handle_update_sm_context(
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ogs_expect(r == OGS_OK);
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ogs_assert(r != OGS_ERROR);
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} else {
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ogs_error("[%s:%d] No PolicyAssociationId. Forcibly remove SESSION",
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ogs_warn("[%s:%d] No PolicyAssociationId. Forcibly remove SESSION",
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smf_ue->supi, sess->psi);
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smf_sbi_send_sm_context_update_error_log(
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stream, OGS_SBI_HTTP_STATUS_NOT_FOUND,
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"No PolicyAssociationId", NULL);
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SMF_SESS_CLEAR(sess);
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r = smf_sbi_discover_and_send(
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OGS_SBI_SERVICE_TYPE_NUDM_UECM, NULL,
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smf_nudm_uecm_build_deregistration, sess, stream,
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SMF_UECM_STATE_DEREGISTERED_BY_AMF, NULL);
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ogs_expect(r == OGS_OK);
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ogs_assert(r != OGS_ERROR);
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}
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} else if (SmContextUpdateData->serving_nf_id) {
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ogs_debug("Old serving_nf_id: %s, new serving_nf_id: %s",
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@ -779,13 +781,14 @@ bool smf_nsmf_handle_release_sm_context(
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ogs_expect(r == OGS_OK);
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ogs_assert(r != OGS_ERROR);
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} else {
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ogs_error("[%s:%d] No PolicyAssociationId. Forcibly remove SESSION",
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ogs_warn("[%s:%d] No PolicyAssociationId. Forcibly remove SESSION",
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smf_ue->supi, sess->psi);
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ogs_assert(true ==
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ogs_sbi_server_send_error(
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stream, OGS_SBI_HTTP_STATUS_NOT_FOUND,
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NULL, "No PolicyAssociationId", NULL));
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SMF_SESS_CLEAR(sess);
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r = smf_sbi_discover_and_send(
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OGS_SBI_SERVICE_TYPE_NUDM_UECM, NULL,
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smf_nudm_uecm_build_deregistration, sess, stream,
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SMF_UECM_STATE_DEREGISTERED_BY_AMF, NULL);
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ogs_expect(r == OGS_OK);
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ogs_assert(r != OGS_ERROR);
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}
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return true;
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@ -2301,6 +2301,368 @@ static void test6_func(abts_case *tc, void *data)
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test_ue_remove(test_ue);
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}
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static void test7_func(abts_case *tc, void *data)
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{
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int rv;
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ogs_socknode_t *ngap;
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ogs_socknode_t *gtpu;
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ogs_pkbuf_t *gmmbuf;
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ogs_pkbuf_t *gsmbuf;
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ogs_pkbuf_t *nasbuf;
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ogs_pkbuf_t *sendbuf;
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ogs_pkbuf_t *recvbuf;
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ogs_ngap_message_t message;
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int i;
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uint8_t tmp[OGS_HUGE_LEN];
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char *_gtp_payload = "34ff0024"
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"0000000100000085 010002004500001c 0c0b000040015a7a 0a2d00010a2d0002"
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"00000964cd7c291f";
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ogs_nas_5gs_mobile_identity_suci_t mobile_identity_suci;
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test_ue_t *test_ue = NULL;
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test_sess_t *sess5 = NULL, *sess6 = NULL;
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test_bearer_t *qos_flow = NULL;
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bson_t *doc = NULL;
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/* Setup Test UE & Session Context */
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memset(&mobile_identity_suci, 0, sizeof(mobile_identity_suci));
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mobile_identity_suci.h.supi_format = OGS_NAS_5GS_SUPI_FORMAT_IMSI;
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mobile_identity_suci.h.type = OGS_NAS_5GS_MOBILE_IDENTITY_SUCI;
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mobile_identity_suci.routing_indicator1 = 0;
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mobile_identity_suci.routing_indicator2 = 0xf;
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mobile_identity_suci.routing_indicator3 = 0xf;
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mobile_identity_suci.routing_indicator4 = 0xf;
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mobile_identity_suci.protection_scheme_id = OGS_PROTECTION_SCHEME_NULL;
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mobile_identity_suci.home_network_pki_value = 0;
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test_ue = test_ue_add_by_suci(&mobile_identity_suci, "0000203190");
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ogs_assert(test_ue);
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test_ue->nr_cgi.cell_id = 0x40001;
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test_ue->nas.registration.tsc = 0;
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test_ue->nas.registration.ksi = OGS_NAS_KSI_NO_KEY_IS_AVAILABLE;
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test_ue->nas.registration.follow_on_request = 1;
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test_ue->nas.registration.value = OGS_NAS_5GS_REGISTRATION_TYPE_INITIAL;
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test_ue->k_string = "465b5ce8b199b49faa5f0a2ee238a6bc";
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test_ue->opc_string = "e8ed289deba952e4283b54e88e6183ca";
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/* gNB connects to AMF */
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ngap = testngap_client(AF_INET);
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ABTS_PTR_NOTNULL(tc, ngap);
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/* gNB connects to UPF */
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gtpu = test_gtpu_server(1, AF_INET);
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ABTS_PTR_NOTNULL(tc, gtpu);
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/* Send NG-Setup Reqeust */
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sendbuf = testngap_build_ng_setup_request(0x4000, 22);
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ABTS_PTR_NOTNULL(tc, sendbuf);
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rv = testgnb_ngap_send(ngap, sendbuf);
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ABTS_INT_EQUAL(tc, OGS_OK, rv);
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/* Receive NG-Setup Response */
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recvbuf = testgnb_ngap_read(ngap);
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ABTS_PTR_NOTNULL(tc, recvbuf);
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testngap_recv(test_ue, recvbuf);
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/********** Insert Subscriber in Database */
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doc = test_db_new_ims(test_ue);
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ABTS_PTR_NOTNULL(tc, doc);
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ABTS_INT_EQUAL(tc, OGS_OK, test_db_insert_ue(test_ue, doc));
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/* Send Registration request */
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test_ue->registration_request_param.guti = 1;
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gmmbuf = testgmm_build_registration_request(test_ue, NULL, false, false);
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ABTS_PTR_NOTNULL(tc, gmmbuf);
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test_ue->registration_request_param.gmm_capability = 1;
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test_ue->registration_request_param.requested_nssai = 1;
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test_ue->registration_request_param.last_visited_registered_tai = 1;
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test_ue->registration_request_param.ue_usage_setting = 1;
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nasbuf = testgmm_build_registration_request(test_ue, NULL, false, false);
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ABTS_PTR_NOTNULL(tc, nasbuf);
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sendbuf = testngap_build_initial_ue_message(test_ue, gmmbuf,
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NGAP_RRCEstablishmentCause_mo_Signalling, false, true);
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ABTS_PTR_NOTNULL(tc, sendbuf);
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rv = testgnb_ngap_send(ngap, sendbuf);
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ABTS_INT_EQUAL(tc, OGS_OK, rv);
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/* Receive Identity request */
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recvbuf = testgnb_ngap_read(ngap);
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ABTS_PTR_NOTNULL(tc, recvbuf);
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testngap_recv(test_ue, recvbuf);
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/* Send Identity response */
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gmmbuf = testgmm_build_identity_response(test_ue);
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ABTS_PTR_NOTNULL(tc, gmmbuf);
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sendbuf = testngap_build_uplink_nas_transport(test_ue, gmmbuf);
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ABTS_PTR_NOTNULL(tc, sendbuf);
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rv = testgnb_ngap_send(ngap, sendbuf);
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ABTS_INT_EQUAL(tc, OGS_OK, rv);
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/* Receive Authentication request */
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recvbuf = testgnb_ngap_read(ngap);
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ABTS_PTR_NOTNULL(tc, recvbuf);
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testngap_recv(test_ue, recvbuf);
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/* Send Authentication response */
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gmmbuf = testgmm_build_authentication_response(test_ue);
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ABTS_PTR_NOTNULL(tc, gmmbuf);
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sendbuf = testngap_build_uplink_nas_transport(test_ue, gmmbuf);
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ABTS_PTR_NOTNULL(tc, sendbuf);
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rv = testgnb_ngap_send(ngap, sendbuf);
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ABTS_INT_EQUAL(tc, OGS_OK, rv);
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/* Receive Security mode command */
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recvbuf = testgnb_ngap_read(ngap);
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ABTS_PTR_NOTNULL(tc, recvbuf);
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testngap_recv(test_ue, recvbuf);
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/* Send Security mode complete */
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gmmbuf = testgmm_build_security_mode_complete(test_ue, nasbuf);
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ABTS_PTR_NOTNULL(tc, gmmbuf);
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sendbuf = testngap_build_uplink_nas_transport(test_ue, gmmbuf);
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ABTS_PTR_NOTNULL(tc, sendbuf);
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rv = testgnb_ngap_send(ngap, sendbuf);
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ABTS_INT_EQUAL(tc, OGS_OK, rv);
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/* Receive InitialContextSetupRequest +
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* Registration accept */
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recvbuf = testgnb_ngap_read(ngap);
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ABTS_PTR_NOTNULL(tc, recvbuf);
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testngap_recv(test_ue, recvbuf);
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ABTS_INT_EQUAL(tc,
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NGAP_ProcedureCode_id_InitialContextSetup,
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test_ue->ngap_procedure_code);
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/* Send UERadioCapabilityInfoIndication */
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sendbuf = testngap_build_ue_radio_capability_info_indication(test_ue);
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ABTS_PTR_NOTNULL(tc, sendbuf);
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rv = testgnb_ngap_send(ngap, sendbuf);
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ABTS_INT_EQUAL(tc, OGS_OK, rv);
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/* Send InitialContextSetupResponse */
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sendbuf = testngap_build_initial_context_setup_response(test_ue, false);
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ABTS_PTR_NOTNULL(tc, sendbuf);
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rv = testgnb_ngap_send(ngap, sendbuf);
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ABTS_INT_EQUAL(tc, OGS_OK, rv);
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/* Send Registration complete */
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gmmbuf = testgmm_build_registration_complete(test_ue);
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ABTS_PTR_NOTNULL(tc, gmmbuf);
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sendbuf = testngap_build_uplink_nas_transport(test_ue, gmmbuf);
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ABTS_PTR_NOTNULL(tc, sendbuf);
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rv = testgnb_ngap_send(ngap, sendbuf);
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ABTS_INT_EQUAL(tc, OGS_OK, rv);
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/* Receive Configuration update command */
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recvbuf = testgnb_ngap_read(ngap);
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ABTS_PTR_NOTNULL(tc, recvbuf);
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testngap_recv(test_ue, recvbuf);
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/* Send PDU session establishment request */
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sess5 = test_sess_add_by_dnn_and_psi(test_ue, "internet", 5);
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ogs_assert(sess5);
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sess5->ul_nas_transport_param.request_type =
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OGS_NAS_5GS_REQUEST_TYPE_INITIAL;
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sess5->ul_nas_transport_param.dnn = 1;
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sess5->ul_nas_transport_param.s_nssai = 1;
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sess5->pdu_session_establishment_param.ssc_mode = 1;
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sess5->pdu_session_establishment_param.epco = 1;
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gsmbuf = testgsm_build_pdu_session_establishment_request(sess5);
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ABTS_PTR_NOTNULL(tc, gsmbuf);
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gmmbuf = testgmm_build_ul_nas_transport(sess5,
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OGS_NAS_PAYLOAD_CONTAINER_N1_SM_INFORMATION, gsmbuf);
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ABTS_PTR_NOTNULL(tc, gmmbuf);
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sendbuf = testngap_build_uplink_nas_transport(test_ue, gmmbuf);
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ABTS_PTR_NOTNULL(tc, sendbuf);
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rv = testgnb_ngap_send(ngap, sendbuf);
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ABTS_INT_EQUAL(tc, OGS_OK, rv);
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/* Receive PDUSessionResourceSetupRequest +
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* DL NAS transport +
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* PDU session establishment accept */
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recvbuf = testgnb_ngap_read(ngap);
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ABTS_PTR_NOTNULL(tc, recvbuf);
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testngap_recv(test_ue, recvbuf);
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ABTS_INT_EQUAL(tc,
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NGAP_ProcedureCode_id_PDUSessionResourceSetup,
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test_ue->ngap_procedure_code);
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/* Send PDUSessionResourceSetupResponse */
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sendbuf = testngap_sess_build_pdu_session_resource_setup_response(sess5);
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ABTS_PTR_NOTNULL(tc, sendbuf);
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rv = testgnb_ngap_send(ngap, sendbuf);
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ABTS_INT_EQUAL(tc, OGS_OK, rv);
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/* Send PDU session establishment request */
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sess6 = test_sess_add_by_dnn_and_psi(test_ue, "ims", 6);
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ogs_assert(sess6);
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sess6->ul_nas_transport_param.request_type =
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OGS_NAS_5GS_REQUEST_TYPE_INITIAL;
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sess6->ul_nas_transport_param.dnn = 1;
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sess6->ul_nas_transport_param.s_nssai = 1;
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sess6->pdu_session_establishment_param.ssc_mode = 1;
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sess6->pdu_session_establishment_param.epco = 1;
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gsmbuf = testgsm_build_pdu_session_establishment_request(sess6);
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ABTS_PTR_NOTNULL(tc, gsmbuf);
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gmmbuf = testgmm_build_ul_nas_transport(sess6,
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OGS_NAS_PAYLOAD_CONTAINER_N1_SM_INFORMATION, gsmbuf);
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ABTS_PTR_NOTNULL(tc, gmmbuf);
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sendbuf = testngap_build_uplink_nas_transport(test_ue, gmmbuf);
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ABTS_PTR_NOTNULL(tc, sendbuf);
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rv = testgnb_ngap_send(ngap, sendbuf);
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ABTS_INT_EQUAL(tc, OGS_OK, rv);
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/* Receive PDU sess6ion establishment accept */
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recvbuf = testgnb_ngap_read(ngap);
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ABTS_PTR_NOTNULL(tc, recvbuf);
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testngap_recv(test_ue, recvbuf);
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/* Send PDUSessionResourceSetupResponse */
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sendbuf = testngap_sess_build_pdu_session_resource_setup_response(sess6);
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ABTS_PTR_NOTNULL(tc, sendbuf);
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rv = testgnb_ngap_send(ngap, sendbuf);
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ABTS_INT_EQUAL(tc, OGS_OK, rv);
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/* Send PDU Session release request */
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sess6->pti = 38;
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sess6->ul_nas_transport_param.request_type = 0;
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sess6->ul_nas_transport_param.dnn = 0;
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sess6->ul_nas_transport_param.s_nssai = 0;
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sess6->pdu_session_establishment_param.ssc_mode = 0;
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sess6->pdu_session_establishment_param.epco = 0;
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gsmbuf = testgsm_build_pdu_session_release_request(sess6);
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ABTS_PTR_NOTNULL(tc, gsmbuf);
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gmmbuf = testgmm_build_ul_nas_transport(sess6,
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OGS_NAS_PAYLOAD_CONTAINER_N1_SM_INFORMATION, gsmbuf);
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ABTS_PTR_NOTNULL(tc, gmmbuf);
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sendbuf = testngap_build_uplink_nas_transport(test_ue, gmmbuf);
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ABTS_PTR_NOTNULL(tc, sendbuf);
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rv = testgnb_ngap_send(ngap, sendbuf);
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ABTS_INT_EQUAL(tc, OGS_OK, rv);
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/* Send PDU Session release request */
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sess5->pti = 39;
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sess5->ul_nas_transport_param.request_type = 0;
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sess5->ul_nas_transport_param.dnn = 0;
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sess5->ul_nas_transport_param.s_nssai = 0;
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sess5->pdu_session_establishment_param.ssc_mode = 0;
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sess5->pdu_session_establishment_param.epco = 0;
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gsmbuf = testgsm_build_pdu_session_release_request(sess5);
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ABTS_PTR_NOTNULL(tc, gsmbuf);
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gmmbuf = testgmm_build_ul_nas_transport(sess5,
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OGS_NAS_PAYLOAD_CONTAINER_N1_SM_INFORMATION, gsmbuf);
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ABTS_PTR_NOTNULL(tc, gmmbuf);
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sendbuf = testngap_build_uplink_nas_transport(test_ue, gmmbuf);
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ABTS_PTR_NOTNULL(tc, sendbuf);
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rv = testgnb_ngap_send(ngap, sendbuf);
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ABTS_INT_EQUAL(tc, OGS_OK, rv);
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/* Receive PDUSessionResourceReleaseCommand +
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* DL NAS transport +
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* PDU session release command */
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recvbuf = testgnb_ngap_read(ngap);
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ABTS_PTR_NOTNULL(tc, recvbuf);
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testngap_recv(test_ue, recvbuf);
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ABTS_INT_EQUAL(tc,
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NGAP_ProcedureCode_id_PDUSessionResourceRelease,
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test_ue->ngap_procedure_code);
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/* Receive PDUSessionResourceReleaseCommand +
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* DL NAS transport +
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* PDU session release command */
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recvbuf = testgnb_ngap_read(ngap);
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ABTS_PTR_NOTNULL(tc, recvbuf);
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testngap_recv(test_ue, recvbuf);
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ABTS_INT_EQUAL(tc,
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NGAP_ProcedureCode_id_PDUSessionResourceRelease,
|
||||
test_ue->ngap_procedure_code);
|
||||
|
||||
/* Send PDUSessionResourceReleaseResponse */
|
||||
sendbuf = testngap_build_pdu_session_resource_release_response(sess6);
|
||||
ABTS_PTR_NOTNULL(tc, sendbuf);
|
||||
rv = testgnb_ngap_send(ngap, sendbuf);
|
||||
ABTS_INT_EQUAL(tc, OGS_OK, rv);
|
||||
|
||||
/* Send UplinkNASTransport +
|
||||
* UL NAS trasnport +
|
||||
* PDU session resource release complete */
|
||||
sess6->ul_nas_transport_param.request_type = 0;
|
||||
sess6->ul_nas_transport_param.dnn = 0;
|
||||
sess6->ul_nas_transport_param.s_nssai = 0;
|
||||
|
||||
sess6->pdu_session_establishment_param.ssc_mode = 0;
|
||||
sess6->pdu_session_establishment_param.epco = 0;
|
||||
|
||||
gsmbuf = testgsm_build_pdu_session_release_complete(sess6);
|
||||
ABTS_PTR_NOTNULL(tc, gsmbuf);
|
||||
gmmbuf = testgmm_build_ul_nas_transport(sess6,
|
||||
OGS_NAS_PAYLOAD_CONTAINER_N1_SM_INFORMATION, gsmbuf);
|
||||
ABTS_PTR_NOTNULL(tc, gmmbuf);
|
||||
sendbuf = testngap_build_uplink_nas_transport(test_ue, gmmbuf);
|
||||
ABTS_PTR_NOTNULL(tc, sendbuf);
|
||||
rv = testgnb_ngap_send(ngap, sendbuf);
|
||||
ABTS_INT_EQUAL(tc, OGS_OK, rv);
|
||||
|
||||
/* Test Session Remove */
|
||||
test_sess_remove(sess6);
|
||||
|
||||
ogs_msleep(100);
|
||||
|
||||
/* Send De-registration request */
|
||||
gmmbuf = testgmm_build_de_registration_request(test_ue, 1, true, true);
|
||||
ABTS_PTR_NOTNULL(tc, gmmbuf);
|
||||
sendbuf = testngap_build_uplink_nas_transport(test_ue, gmmbuf);
|
||||
ABTS_PTR_NOTNULL(tc, sendbuf);
|
||||
rv = testgnb_ngap_send(ngap, sendbuf);
|
||||
ABTS_INT_EQUAL(tc, OGS_OK, rv);
|
||||
|
||||
/* Receive UEContextReleaseCommand */
|
||||
recvbuf = testgnb_ngap_read(ngap);
|
||||
ABTS_PTR_NOTNULL(tc, recvbuf);
|
||||
testngap_recv(test_ue, recvbuf);
|
||||
ABTS_INT_EQUAL(tc,
|
||||
NGAP_ProcedureCode_id_UEContextRelease,
|
||||
test_ue->ngap_procedure_code);
|
||||
|
||||
/* Send UEContextReleaseComplete */
|
||||
sendbuf = testngap_build_ue_context_release_complete(test_ue);
|
||||
ABTS_PTR_NOTNULL(tc, sendbuf);
|
||||
rv = testgnb_ngap_send(ngap, sendbuf);
|
||||
ABTS_INT_EQUAL(tc, OGS_OK, rv);
|
||||
|
||||
ogs_msleep(300);
|
||||
|
||||
/********** Remove Subscriber in Database */
|
||||
ABTS_INT_EQUAL(tc, OGS_OK, test_db_remove_ue(test_ue));
|
||||
|
||||
/* gNB disonncect from UPF */
|
||||
testgnb_gtpu_close(gtpu);
|
||||
|
||||
/* gNB disonncect from AMF */
|
||||
testgnb_ngap_close(ngap);
|
||||
|
||||
/* Clear Test UE Context */
|
||||
test_ue_remove(test_ue);
|
||||
}
|
||||
|
||||
abts_suite *test_session(abts_suite *suite)
|
||||
{
|
||||
suite = ADD_SUITE(suite)
|
||||
|
|
@ -2311,6 +2673,7 @@ abts_suite *test_session(abts_suite *suite)
|
|||
abts_run_test(suite, test4_func, NULL);
|
||||
abts_run_test(suite, test5_func, NULL);
|
||||
abts_run_test(suite, test6_func, NULL);
|
||||
abts_run_test(suite, test7_func, NULL);
|
||||
|
||||
return suite;
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue