diff --git a/src/amf/context.h b/src/amf/context.h index 247537107..344ca693e 100644 --- a/src/amf/context.h +++ b/src/amf/context.h @@ -404,6 +404,8 @@ struct amf_ue_s { } handover; /* SubscriptionId of Subscription to Data Change Notification to UDM */ +#define UDM_SDM_SUBSCRIBED(__aMF) \ + ((__aMF) && ((__aMF)->data_change_subscription_id)) char *data_change_subscription_id; struct { @@ -777,6 +779,9 @@ void amf_sbi_select_nf( int amf_sess_xact_count(amf_ue_t *amf_ue); int amf_sess_xact_state_count(amf_ue_t *amf_ue, int state); +#define AMF_SESSION_RELEASE_PENDING(__aMF) \ + (amf_ue_have_session_release_pending(__aMF) == true) + #define PDU_RES_SETUP_REQ_TRANSFER_NEEDED(__aMF) \ (amf_pdu_res_setup_req_transfer_needed(__aMF) == true) bool amf_pdu_res_setup_req_transfer_needed(amf_ue_t *amf_ue); diff --git a/src/amf/gmm-handler.c b/src/amf/gmm-handler.c index 1a2472bae..82d344530 100644 --- a/src/amf/gmm-handler.c +++ b/src/amf/gmm-handler.c @@ -646,7 +646,7 @@ ogs_nas_5gmm_cause_t gmm_handle_service_update(amf_ue_t *amf_ue, int gmm_handle_deregistration_request(amf_ue_t *amf_ue, ogs_nas_5gs_deregistration_request_from_ue_t *deregistration_request) { - int r; + int r, state, xact_count = 0; ogs_nas_de_registration_type_t *de_registration_type = NULL; ogs_assert(amf_ue); @@ -690,13 +690,30 @@ int gmm_handle_deregistration_request(amf_ue_t *amf_ue, ogs_info("[%s] SUCI", amf_ue->suci); - amf_sbi_send_release_all_sessions( - amf_ue, AMF_RELEASE_SM_CONTEXT_NO_STATE); + xact_count = amf_sess_xact_count(amf_ue); - if (ogs_list_count(&amf_ue->sess_list) == 0) { - r = nas_5gs_send_de_registration_accept(amf_ue); - ogs_expect(r == OGS_OK); - ogs_assert(r != OGS_ERROR); + state = AMF_UE_INITIATED_DE_REGISTERED; + amf_sbi_send_release_all_sessions(amf_ue, state); + + if (!AMF_SESSION_RELEASE_PENDING(amf_ue) && + amf_sess_xact_count(amf_ue) == xact_count) { + if (UDM_SDM_SUBSCRIBED(amf_ue)) { + ogs_assert(true == amf_ue_sbi_discover_and_send( + OGS_SBI_SERVICE_TYPE_NUDM_SDM, NULL, + amf_nudm_sdm_build_subscription_delete, + amf_ue, state, NULL)); + } else if (PCF_AM_POLICY_ASSOCIATED(amf_ue)) { + ogs_assert(true == + amf_ue_sbi_discover_and_send( + OGS_SBI_SERVICE_TYPE_NPCF_AM_POLICY_CONTROL, + NULL, + amf_npcf_am_policy_control_build_delete, + amf_ue, state, NULL)); + } else { + r = nas_5gs_send_de_registration_accept(amf_ue); + ogs_expect(r == OGS_OK); + ogs_assert(r != OGS_ERROR); + } } return OGS_OK; diff --git a/src/amf/gmm-sm.c b/src/amf/gmm-sm.c index 6ba7898fd..4a5fd47bf 100644 --- a/src/amf/gmm-sm.c +++ b/src/amf/gmm-sm.c @@ -183,6 +183,75 @@ void gmm_state_de_registered(ogs_fsm_t *s, amf_event_t *e) END break; + CASE(OGS_SBI_SERVICE_NAME_NUDM_SDM) + if ((sbi_message->res_status != OGS_SBI_HTTP_STATUS_OK) && + (sbi_message->res_status != OGS_SBI_HTTP_STATUS_CREATED) && + (sbi_message->res_status != OGS_SBI_HTTP_STATUS_NO_CONTENT)) { + ogs_error("[%s] HTTP response error [%d]", + amf_ue->supi, sbi_message->res_status); + break; + } + + SWITCH(sbi_message->h.resource.component[1]) + CASE(OGS_SBI_RESOURCE_NAME_AM_DATA) + CASE(OGS_SBI_RESOURCE_NAME_SMF_SELECT_DATA) + CASE(OGS_SBI_RESOURCE_NAME_UE_CONTEXT_IN_SMF_DATA) + ogs_warn("[%s] Ignore SBI message", amf_ue->supi); + break; + + CASE(OGS_SBI_RESOURCE_NAME_SDM_SUBSCRIPTIONS) + SWITCH(sbi_message->h.method) + CASE(OGS_SBI_HTTP_METHOD_DELETE) + /* + * - AMF_UE_INITIATED_DE_REGISTERED + * 1. PDU session establishment request + * 2. PDUSessionResourceSetupRequest + + * PDU session establishment accept + * 3. PDUSessionResourceSetupResponse + * 4. Deregistration request + * 5. UEContextReleaseCommand + * 6. UEContextReleaseComplete + * + * - AMF_RELEASE_SM_CONTEXT_NO_STATE + * 1. PDU session release request + * 2. PDUSessionResourceReleaseCommand + + * PDU session release command + * 3. PDUSessionResourceReleaseREsponse + * 4. PDU session release complete + * 5. Deregistration request + * 6. UEContextReleaseCommand + * 7. UEContextReleaseComplete + */ + if (state == AMF_RELEASE_SM_CONTEXT_NO_STATE || + state == AMF_UE_INITIATED_DE_REGISTERED) { + if (amf_ue->data_change_subscription_id) { + ogs_free(amf_ue->data_change_subscription_id); + amf_ue->data_change_subscription_id = NULL; + } + + ogs_assert(true == + amf_ue_sbi_discover_and_send( + OGS_SBI_SERVICE_TYPE_NUDM_UECM, NULL, + amf_nudm_uecm_build_registration_delete, + amf_ue, state, NULL)); + } else { + ogs_fatal("Invalid state [%d]", state); + ogs_assert_if_reached(); + } + break; + DEFAULT + ogs_warn("[%s] Ignore invalid HTTP method [%s]", + amf_ue->suci, sbi_message->h.method); + END + break; + + DEFAULT + ogs_error("Invalid resource name [%s]", + sbi_message->h.resource.component[1]); + ogs_assert_if_reached(); + END + break; + CASE(OGS_SBI_SERVICE_NAME_NUDM_UECM) if (sbi_message->res_status != OGS_SBI_HTTP_STATUS_CREATED && sbi_message->res_status != OGS_SBI_HTTP_STATUS_NO_CONTENT && @@ -201,31 +270,43 @@ void gmm_state_de_registered(ogs_fsm_t *s, amf_event_t *e) CASE(OGS_SBI_HTTP_METHOD_PATCH) SWITCH(sbi_message->h.resource.component[2]) CASE(OGS_SBI_RESOURCE_NAME_AMF_3GPP_ACCESS) - if (amf_ue->data_change_subscription_id) { - ogs_free(amf_ue->data_change_subscription_id); - amf_ue->data_change_subscription_id = NULL; - } - - if (state == - AMF_NETWORK_INITIATED_IMPLICIT_DE_REGISTERED || - state == - AMF_NETWORK_INITIATED_EXPLICIT_DE_REGISTERED) { - amf_sbi_send_release_all_sessions(amf_ue, state); - if ((ogs_list_count(&amf_ue->sess_list) == 0) && - (PCF_AM_POLICY_ASSOCIATED(amf_ue))) { + /* + * - AMF_UE_INITIATED_DE_REGISTERED + * 1. PDU session establishment request + * 2. PDUSessionResourceSetupRequest + + * PDU session establishment accept + * 3. PDUSessionResourceSetupResponse + * 4. Deregistration request + * 5. UEContextReleaseCommand + * 6. UEContextReleaseComplete + * + * - AMF_RELEASE_SM_CONTEXT_NO_STATE + * 1. PDU session release request + * 2. PDUSessionResourceReleaseCommand + + * PDU session release command + * 3. PDUSessionResourceReleaseREsponse + * 4. PDU session release complete + * 5. Deregistration request + * 6. UEContextReleaseCommand + * 7. UEContextReleaseComplete + */ + if (state == AMF_RELEASE_SM_CONTEXT_NO_STATE || + state == AMF_UE_INITIATED_DE_REGISTERED) { + if (PCF_AM_POLICY_ASSOCIATED(amf_ue)) { ogs_assert(true == amf_ue_sbi_discover_and_send( OGS_SBI_SERVICE_TYPE_NPCF_AM_POLICY_CONTROL, NULL, amf_npcf_am_policy_control_build_delete, amf_ue, state, NULL)); + } else { + r = nas_5gs_send_de_registration_accept(amf_ue); + ogs_expect(r == OGS_OK); + ogs_assert(r != OGS_ERROR); } } else { - ogs_assert(true == - amf_ue_sbi_discover_and_send( - OGS_SBI_SERVICE_TYPE_NAUSF_AUTH, NULL, - amf_nausf_auth_build_authenticate_delete, - amf_ue, state, NULL)); + ogs_fatal("Invalid state [%d]", state); + ogs_assert_if_reached(); } break; DEFAULT @@ -248,44 +329,6 @@ void gmm_state_de_registered(ogs_fsm_t *s, amf_event_t *e) END break; - CASE(OGS_SBI_SERVICE_NAME_NUDM_SDM) - if ((sbi_message->res_status != OGS_SBI_HTTP_STATUS_OK) && - (sbi_message->res_status != OGS_SBI_HTTP_STATUS_CREATED) && - (sbi_message->res_status != OGS_SBI_HTTP_STATUS_NO_CONTENT)) { - ogs_error("[%s] HTTP response error [%d]", - amf_ue->supi, sbi_message->res_status); - break; - } - - SWITCH(sbi_message->h.resource.component[1]) - CASE(OGS_SBI_RESOURCE_NAME_AM_DATA) - CASE(OGS_SBI_RESOURCE_NAME_SMF_SELECT_DATA) - CASE(OGS_SBI_RESOURCE_NAME_UE_CONTEXT_IN_SMF_DATA) - ogs_warn("[%s] Ignore SBI message", amf_ue->supi); - break; - - CASE(OGS_SBI_RESOURCE_NAME_SDM_SUBSCRIPTIONS) - SWITCH(sbi_message->h.method) - CASE(OGS_SBI_HTTP_METHOD_DELETE) - ogs_assert(true == - amf_ue_sbi_discover_and_send( - OGS_SBI_SERVICE_TYPE_NUDM_UECM, NULL, - amf_nudm_uecm_build_registration_delete, - amf_ue, state, NULL)); - break; - DEFAULT - ogs_warn("[%s] Ignore invalid HTTP method [%s]", - amf_ue->suci, sbi_message->h.method); - END - break; - - DEFAULT - ogs_error("Invalid resource name [%s]", - sbi_message->h.resource.component[1]); - ogs_assert_if_reached(); - END - break; - CASE(OGS_SBI_SERVICE_NAME_NPCF_AM_POLICY_CONTROL) SWITCH(sbi_message->h.resource.component[0]) CASE(OGS_SBI_RESOURCE_NAME_POLICIES) @@ -295,33 +338,36 @@ void gmm_state_de_registered(ogs_fsm_t *s, amf_event_t *e) break; CASE(OGS_SBI_HTTP_METHOD_DELETE) - if (state == AMF_NETWORK_INITIATED_IMPLICIT_DE_REGISTERED) { - ogs_warn("[%s] Implicit De-registered", amf_ue->supi); - OGS_FSM_TRAN(&amf_ue->sm, - &gmm_state_ue_context_will_remove); - - } else if (state == - AMF_NETWORK_INITIATED_EXPLICIT_DE_REGISTERED) { - ogs_warn("[%s] Explicit De-registered", amf_ue->supi); - - amf_ue->explict_de_registered.sbi_done = true; - - if (amf_ue->explict_de_registered.n1_done == true) { - r = ngap_send_ran_ue_context_release_command( - amf_ue->ran_ue, - NGAP_Cause_PR_misc, - NGAP_CauseMisc_om_intervention, - NGAP_UE_CTX_REL_UE_CONTEXT_REMOVE, 0); - ogs_expect(r == OGS_OK); - ogs_assert(r != OGS_ERROR); - } - - } else { + /* + * - AMF_UE_INITIATED_DE_REGISTERED + * 1. PDU session establishment request + * 2. PDUSessionResourceSetupRequest + + * PDU session establishment accept + * 3. PDUSessionResourceSetupResponse + * 4. Deregistration request + * 5. UEContextReleaseCommand + * 6. UEContextReleaseComplete + * + * - AMF_RELEASE_SM_CONTEXT_NO_STATE + * 1. PDU session release request + * 2. PDUSessionResourceReleaseCommand + + * PDU session release command + * 3. PDUSessionResourceReleaseREsponse + * 4. PDU session release complete + * 5. Deregistration request + * 6. UEContextReleaseCommand + * 7. UEContextReleaseComplete + */ + if (state == AMF_RELEASE_SM_CONTEXT_NO_STATE || + state == AMF_UE_INITIATED_DE_REGISTERED) { r = nas_5gs_send_de_registration_accept(amf_ue); ogs_expect(r == OGS_OK); ogs_assert(r != OGS_ERROR); PCF_AM_POLICY_CLEAR(amf_ue); + } else { + ogs_fatal("Invalid state [%d]", state); + ogs_assert_if_reached(); } break; @@ -351,7 +397,7 @@ void gmm_state_de_registered(ogs_fsm_t *s, amf_event_t *e) void gmm_state_registered(ogs_fsm_t *s, amf_event_t *e) { - int i, r; + int i, r, state, xact_count = 0; amf_ue_t *amf_ue = NULL; amf_sess_t *sess = NULL; @@ -429,6 +475,22 @@ void gmm_state_registered(ogs_fsm_t *s, amf_event_t *e) } break; + case AMF_TIMER_T3522: + if (amf_ue->t3522.retry_count >= + amf_timer_cfg(AMF_TIMER_T3522)->max_count) { + ogs_warn("Retransmission of Deregistration-Request failed. " + "Stop retransmission"); + CLEAR_AMF_UE_TIMER(amf_ue->t3522); + OGS_FSM_TRAN(&amf_ue->sm, &gmm_state_exception); + } else { + amf_ue->t3522.retry_count++; + r = nas_5gs_send_de_registration_request(amf_ue, + OpenAPI_deregistration_reason_NULL, 0); + ogs_expect(r == OGS_OK); + ogs_assert(r != OGS_ERROR); + } + break; + case AMF_TIMER_T3555: if (amf_ue->t3555.retry_count >= amf_timer_cfg(AMF_TIMER_T3555)->max_count) { @@ -518,13 +580,21 @@ void gmm_state_registered(ogs_fsm_t *s, amf_event_t *e) ogs_info("[%s] Do Network-initiated De-register UE", amf_ue->supi); - ogs_assert(true == amf_ue_sbi_discover_and_send( - OGS_SBI_SERVICE_TYPE_NUDM_SDM, NULL, - amf_nudm_sdm_build_subscription_delete, - amf_ue, - AMF_NETWORK_INITIATED_IMPLICIT_DE_REGISTERED, NULL)); + state = AMF_NETWORK_INITIATED_IMPLICIT_DE_REGISTERED; - OGS_FSM_TRAN(s, &gmm_state_de_registered); + if (UDM_SDM_SUBSCRIBED(amf_ue)) { + ogs_assert(true == amf_ue_sbi_discover_and_send( + OGS_SBI_SERVICE_TYPE_NUDM_SDM, NULL, + amf_nudm_sdm_build_subscription_delete, + amf_ue, state, NULL)); + } else if (PCF_AM_POLICY_ASSOCIATED(amf_ue)) { + ogs_assert(true == + amf_ue_sbi_discover_and_send( + OGS_SBI_SERVICE_TYPE_NPCF_AM_POLICY_CONTROL, + NULL, + amf_npcf_am_policy_control_build_delete, + amf_ue, state, NULL)); + } break; default: ogs_error("Unknown timer[%s:%d]", @@ -535,9 +605,298 @@ void gmm_state_registered(ogs_fsm_t *s, amf_event_t *e) case OGS_EVENT_SBI_CLIENT: sbi_message = e->h.sbi.message; ogs_assert(sbi_message); + state = e->h.sbi.state; - ogs_error("Invalid service name [%s]", sbi_message->h.service.name); - ogs_assert_if_reached(); + xact_count = amf_sess_xact_count(amf_ue); + + SWITCH(sbi_message->h.service.name) + CASE(OGS_SBI_SERVICE_NAME_NAUSF_AUTH) + SWITCH(sbi_message->h.resource.component[0]) + CASE(OGS_SBI_RESOURCE_NAME_UE_AUTHENTICATIONS) + + if (sbi_message->res_status != OGS_SBI_HTTP_STATUS_CREATED && + sbi_message->res_status != OGS_SBI_HTTP_STATUS_OK && + sbi_message->res_status != OGS_SBI_HTTP_STATUS_NO_CONTENT) { + if (sbi_message->res_status == + OGS_SBI_HTTP_STATUS_NOT_FOUND) { + ogs_warn("[%s] Cannot find SUCI [%d]", + amf_ue->suci, sbi_message->res_status); + } else { + ogs_error("[%s] HTTP response error [%d]", + amf_ue->suci, sbi_message->res_status); + } + break; + } + + SWITCH(sbi_message->h.method) + CASE(OGS_SBI_HTTP_METHOD_POST) + ogs_warn("[%s] Ignore SBI message", amf_ue->suci); + break; + CASE(OGS_SBI_HTTP_METHOD_PUT) + ogs_warn("[%s] Ignore SBI message", amf_ue->suci); + break; + CASE(OGS_SBI_HTTP_METHOD_DELETE) + if (amf_ue->confirmation_url_for_5g_aka) + ogs_free(amf_ue->confirmation_url_for_5g_aka); + amf_ue->confirmation_url_for_5g_aka = NULL; + break; + DEFAULT + ogs_error("[%s] Invalid HTTP method [%s]", + amf_ue->suci, sbi_message->h.method); + ogs_assert_if_reached(); + END + break; + + CASE(OGS_SBI_RESOURCE_NAME_5G_AKA) + CASE(OGS_SBI_RESOURCE_NAME_5G_AKA_CONFIRMATION) + CASE(OGS_SBI_RESOURCE_NAME_EAP_SESSION) + ogs_warn("[%s] Ignore SBI message", amf_ue->supi); + break; + + DEFAULT + ogs_error("Invalid resource name [%s]", + sbi_message->h.resource.component[0]); + ogs_assert_if_reached(); + END + break; + + CASE(OGS_SBI_SERVICE_NAME_NUDM_SDM) + if ((sbi_message->res_status != OGS_SBI_HTTP_STATUS_OK) && + (sbi_message->res_status != OGS_SBI_HTTP_STATUS_CREATED) && + (sbi_message->res_status != OGS_SBI_HTTP_STATUS_NO_CONTENT)) { + ogs_error("[%s] HTTP response error [%d]", + amf_ue->supi, sbi_message->res_status); + break; + } + + SWITCH(sbi_message->h.resource.component[1]) + CASE(OGS_SBI_RESOURCE_NAME_AM_DATA) + CASE(OGS_SBI_RESOURCE_NAME_SMF_SELECT_DATA) + CASE(OGS_SBI_RESOURCE_NAME_UE_CONTEXT_IN_SMF_DATA) + ogs_warn("[%s] Ignore SBI message", amf_ue->supi); + break; + + CASE(OGS_SBI_RESOURCE_NAME_SDM_SUBSCRIPTIONS) + SWITCH(sbi_message->h.method) + CASE(OGS_SBI_HTTP_METHOD_DELETE) + /* + * - AMF_NETWORK_INITIATED_IMPLICIT_DE_REGISTERED + * 1. Implicit Timer Expiration + * 2. UDM_SDM_Unsubscribe + * 3. UDM_UECM_Deregisration + * 4. PDU session release request + * 5. PDUSessionResourceReleaseCommand + + * PDU session release command + * 6. PDUSessionResourceReleaseResponse + * 7. AM_Policy_Association_Termination + * + * - AMF_NETWORK_INITIATED_EXPLICIT_DE_REGISTERED + * 1. UDM_UECM_DeregistrationNotification + * 2. Deregistration request + * 3. UDM_SDM_Unsubscribe + * 4. UDM_UECM_Deregisration + * 5. PDU session release request + * 6. PDUSessionResourceReleaseCommand + + * PDU session release command + * 7. PDUSessionResourceReleaseResponse + * 8. AM_Policy_Association_Termination + * 9. Deregistration accept + * 10. Signalling Connecion Release + */ + if (state == + AMF_NETWORK_INITIATED_IMPLICIT_DE_REGISTERED || + state == + AMF_NETWORK_INITIATED_EXPLICIT_DE_REGISTERED) { + if (amf_ue->data_change_subscription_id) { + ogs_free(amf_ue->data_change_subscription_id); + amf_ue->data_change_subscription_id = NULL; + } + + ogs_assert(true == + amf_ue_sbi_discover_and_send( + OGS_SBI_SERVICE_TYPE_NUDM_UECM, NULL, + amf_nudm_uecm_build_registration_delete, + amf_ue, state, NULL)); + } else { + ogs_fatal("Invalid state [%d]", state); + ogs_assert_if_reached(); + } + break; + DEFAULT + ogs_warn("[%s] Ignore invalid HTTP method [%s]", + amf_ue->suci, sbi_message->h.method); + END + break; + + DEFAULT + ogs_error("Invalid resource name [%s]", + sbi_message->h.resource.component[1]); + ogs_assert_if_reached(); + END + break; + + CASE(OGS_SBI_SERVICE_NAME_NUDM_UECM) + if (sbi_message->res_status != OGS_SBI_HTTP_STATUS_CREATED && + sbi_message->res_status != OGS_SBI_HTTP_STATUS_NO_CONTENT && + sbi_message->res_status != OGS_SBI_HTTP_STATUS_OK) { + ogs_error("[%s] HTTP response error [%d]", + amf_ue->supi, sbi_message->res_status); + break; + } + + SWITCH(sbi_message->h.resource.component[1]) + CASE(OGS_SBI_RESOURCE_NAME_REGISTRATIONS) + SWITCH(sbi_message->h.method) + CASE(OGS_SBI_HTTP_METHOD_PUT) + ogs_warn("[%s] Ignore SBI message", amf_ue->supi); + break; + CASE(OGS_SBI_HTTP_METHOD_PATCH) + SWITCH(sbi_message->h.resource.component[2]) + CASE(OGS_SBI_RESOURCE_NAME_AMF_3GPP_ACCESS) + /* + * - AMF_NETWORK_INITIATED_IMPLICIT_DE_REGISTERED + * 1. Implicit Timer Expiration + * 2. UDM_SDM_Unsubscribe + * 3. UDM_UECM_Deregisration + * 4. PDU session release request + * 5. PDUSessionResourceReleaseCommand + + * PDU session release command + * 6. PDUSessionResourceReleaseResponse + * 7. AM_Policy_Association_Termination + * + * - AMF_NETWORK_INITIATED_EXPLICIT_DE_REGISTERED + * 1. UDM_UECM_DeregistrationNotification + * 2. Deregistration request + * 3. UDM_SDM_Unsubscribe + * 4. UDM_UECM_Deregisration + * 5. PDU session release request + * 6. PDUSessionResourceReleaseCommand + + * PDU session release command + * 7. PDUSessionResourceReleaseResponse + * 8. AM_Policy_Association_Termination + * 9. Deregistration accept + * 10. Signalling Connecion Release + */ + if (state == + AMF_NETWORK_INITIATED_IMPLICIT_DE_REGISTERED || + state == + AMF_NETWORK_INITIATED_EXPLICIT_DE_REGISTERED) { + + amf_sbi_send_release_all_sessions(amf_ue, state); + + if (!AMF_SESSION_RELEASE_PENDING(amf_ue) && + amf_sess_xact_count(amf_ue) == xact_count) { + if (PCF_AM_POLICY_ASSOCIATED(amf_ue)) { + ogs_assert(true == + amf_ue_sbi_discover_and_send( + OGS_SBI_SERVICE_TYPE_NPCF_AM_POLICY_CONTROL, + NULL, + amf_npcf_am_policy_control_build_delete, + amf_ue, state, NULL)); + } + } + } else { + ogs_fatal("Invalid state [%d]", state); + ogs_assert_if_reached(); + } + break; + DEFAULT + ogs_warn("Ignoring invalid resource name [%s]", + sbi_message->h.resource.component[2]); + END + break; + + DEFAULT + ogs_error("[%s] Invalid HTTP method [%s]", + amf_ue->suci, sbi_message->h.method); + ogs_assert_if_reached(); + END + break; + + DEFAULT + ogs_error("Invalid resource name [%s]", + sbi_message->h.resource.component[1]); + ogs_assert_if_reached(); + END + break; + + CASE(OGS_SBI_SERVICE_NAME_NPCF_AM_POLICY_CONTROL) + SWITCH(sbi_message->h.resource.component[0]) + CASE(OGS_SBI_RESOURCE_NAME_POLICIES) + SWITCH(sbi_message->h.method) + CASE(OGS_SBI_HTTP_METHOD_POST) + ogs_warn("[%s] Ignore SBI message", amf_ue->suci); + break; + + CASE(OGS_SBI_HTTP_METHOD_DELETE) + /* + * - AMF_NETWORK_INITIATED_IMPLICIT_DE_REGISTERED + * 1. Implicit Timer Expiration + * 2. UDM_SDM_Unsubscribe + * 3. UDM_UECM_Deregisration + * 4. PDU session release request + * 5. PDUSessionResourceReleaseCommand + + * PDU session release command + * 6. PDUSessionResourceReleaseResponse + * 7. AM_Policy_Association_Termination + * + * - AMF_NETWORK_INITIATED_EXPLICIT_DE_REGISTERED + * 1. UDM_UECM_DeregistrationNotification + * 2. Deregistration request + * 3. UDM_SDM_Unsubscribe + * 4. UDM_UECM_Deregisration + * 5. PDU session release request + * 6. PDUSessionResourceReleaseCommand + + * PDU session release command + * 7. PDUSessionResourceReleaseResponse + * 8. AM_Policy_Association_Termination + * 9. Deregistration accept + * 10.Signalling Connecion Release + */ + if (state == AMF_NETWORK_INITIATED_IMPLICIT_DE_REGISTERED) { + ogs_warn("[%s] Implicit De-registered", amf_ue->supi); + OGS_FSM_TRAN(&amf_ue->sm, + &gmm_state_ue_context_will_remove); + + } else if (state == + AMF_NETWORK_INITIATED_EXPLICIT_DE_REGISTERED) { + ogs_warn("[%s] Explicit De-registered", amf_ue->supi); + + amf_ue->explict_de_registered.sbi_done = true; + + if (amf_ue->explict_de_registered.n1_done == true) { + r = ngap_send_ran_ue_context_release_command( + amf_ue->ran_ue, + NGAP_Cause_PR_misc, + NGAP_CauseMisc_om_intervention, + NGAP_UE_CTX_REL_UE_CONTEXT_REMOVE, 0); + ogs_expect(r == OGS_OK); + ogs_assert(r != OGS_ERROR); + } + + } else { + ogs_fatal("Invalid state [%d]", state); + ogs_assert_if_reached(); + } + break; + + DEFAULT + ogs_error("Unknown method [%s]", sbi_message->h.method); + ogs_assert_if_reached(); + END + break; + + DEFAULT + ogs_error("Invalid resource name [%s]", + sbi_message->h.resource.component[0]); + ogs_assert_if_reached(); + END + break; + + DEFAULT + ogs_error("Invalid service name [%s]", sbi_message->h.service.name); + ogs_assert_if_reached(); + END break; default: @@ -652,7 +1011,8 @@ static void common_register_state(ogs_fsm_t *s, amf_event_t *e) amf_sbi_send_release_all_sessions( amf_ue, AMF_RELEASE_SM_CONTEXT_NO_STATE); - if (amf_sess_xact_count(amf_ue) == xact_count) { + + if (ogs_list_count(&amf_ue->sess_list) == 0) { ogs_assert(true == amf_ue_sbi_discover_and_send( OGS_SBI_SERVICE_TYPE_NAUSF_AUTH, NULL, @@ -733,7 +1093,9 @@ static void common_register_state(ogs_fsm_t *s, amf_event_t *e) amf_sbi_send_release_all_sessions( amf_ue, AMF_RELEASE_SM_CONTEXT_NO_STATE); - if (amf_sess_xact_count(amf_ue) == xact_count) { + + if (!AMF_SESSION_RELEASE_PENDING(amf_ue) && + amf_sess_xact_count(amf_ue) == xact_count) { ogs_assert(true == amf_ue_sbi_discover_and_send( OGS_SBI_SERVICE_TYPE_NAUSF_AUTH, NULL, @@ -1461,6 +1823,8 @@ void gmm_state_initial_context_setup(ogs_fsm_t *s, amf_event_t *e) h.type = e->nas.type; + xact_count = amf_sess_xact_count(amf_ue); + switch (nas_message->gmm.h.message_type) { case OGS_NAS_5GS_REGISTRATION_COMPLETE: ogs_info("[%s] Registration complete", amf_ue->supi); @@ -1544,7 +1908,9 @@ void gmm_state_initial_context_setup(ogs_fsm_t *s, amf_event_t *e) amf_sbi_send_release_all_sessions( amf_ue, AMF_RELEASE_SM_CONTEXT_NO_STATE); - if (amf_sess_xact_count(amf_ue) == xact_count) { + + if (!AMF_SESSION_RELEASE_PENDING(amf_ue) && + amf_sess_xact_count(amf_ue) == xact_count) { ogs_assert(true == amf_ue_sbi_discover_and_send( OGS_SBI_SERVICE_TYPE_NAUSF_AUTH, NULL, @@ -1673,10 +2039,13 @@ void gmm_state_exception(ogs_fsm_t *s, amf_event_t *e) AMF_UE_CLEAR_5GSM_MESSAGE(amf_ue); CLEAR_AMF_UE_ALL_TIMERS(amf_ue); + xact_count = amf_sess_xact_count(amf_ue); + amf_sbi_send_release_all_sessions( amf_ue, AMF_RELEASE_SM_CONTEXT_NO_STATE); - if (ogs_list_count(&amf_ue->sess_list) == 0) { + if (!AMF_SESSION_RELEASE_PENDING(amf_ue) && + amf_sess_xact_count(amf_ue) == xact_count) { r = ngap_send_amf_ue_context_release_command(amf_ue, NGAP_Cause_PR_nas, NGAP_CauseNas_normal_release, NGAP_UE_CTX_REL_UE_CONTEXT_REMOVE, 0); @@ -1771,7 +2140,9 @@ void gmm_state_exception(ogs_fsm_t *s, amf_event_t *e) amf_sbi_send_release_all_sessions( amf_ue, AMF_RELEASE_SM_CONTEXT_NO_STATE); - if (amf_sess_xact_count(amf_ue) == xact_count) { + + if (!AMF_SESSION_RELEASE_PENDING(amf_ue) && + amf_sess_xact_count(amf_ue) == xact_count) { ogs_assert(true == amf_ue_sbi_discover_and_send( OGS_SBI_SERVICE_TYPE_NAUSF_AUTH, NULL, diff --git a/src/amf/namf-handler.c b/src/amf/namf-handler.c index 0c36b04d0..36ed9089a 100644 --- a/src/amf/namf-handler.c +++ b/src/amf/namf-handler.c @@ -521,7 +521,7 @@ cleanup: int amf_namf_callback_handle_dereg_notify( ogs_sbi_stream_t *stream, ogs_sbi_message_t *recvmsg) { - int r, status = OGS_SBI_HTTP_STATUS_NO_CONTENT; + int r, state, status = OGS_SBI_HTTP_STATUS_NO_CONTENT; amf_ue_t *amf_ue = NULL; @@ -553,8 +553,14 @@ int amf_namf_callback_handle_dereg_notify( goto cleanup; } - if (DeregistrationData->access_type != OpenAPI_access_type_3GPP_ACCESS) - { + if (DeregistrationData->dereg_reason == + OpenAPI_deregistration_reason_NULL) { + status = OGS_SBI_HTTP_STATUS_BAD_REQUEST; + ogs_error("[%s] No Deregistraion Reason ", amf_ue->supi); + goto cleanup; + } + + if (DeregistrationData->access_type != OpenAPI_access_type_3GPP_ACCESS) { status = OGS_SBI_HTTP_STATUS_BAD_REQUEST; ogs_error("[%s] Deregistration access type not 3GPP", amf_ue->supi); goto cleanup; @@ -572,6 +578,21 @@ int amf_namf_callback_handle_dereg_notify( * Deregistration procedure. In this case, the AMF performs network requested PDU Session Release for any PDU * session associated with non-emergency service as described in clause 4.3.4. */ + + /* + * - AMF_NETWORK_INITIATED_EXPLICIT_DE_REGISTERED + * 1. UDM_UECM_DeregistrationNotification + * 2. Deregistration request + * 3. UDM_SDM_Unsubscribe + * 4. UDM_UECM_Deregisration + * 5. PDU session release request + * 6. PDUSessionResourceReleaseCommand + + * PDU session release command + * 7. PDUSessionResourceReleaseResponse + * 8. AM_Policy_Association_Termination + * 9. Deregistration accept + * 10. Signalling Connecion Release + */ if (CM_CONNECTED(amf_ue)) { r = nas_5gs_send_de_registration_request( amf_ue, @@ -580,24 +601,32 @@ int amf_namf_callback_handle_dereg_notify( ogs_expect(r == OGS_OK); ogs_assert(r != OGS_ERROR); - ogs_assert(true == amf_ue_sbi_discover_and_send( - OGS_SBI_SERVICE_TYPE_NUDM_SDM, NULL, - amf_nudm_sdm_build_subscription_delete, - amf_ue, - AMF_NETWORK_INITIATED_EXPLICIT_DE_REGISTERED, NULL)); + state = AMF_NETWORK_INITIATED_EXPLICIT_DE_REGISTERED; + } else if (CM_IDLE(amf_ue)) { ogs_error("Not implemented : Use Implicit De-registration"); - ogs_assert(true == amf_ue_sbi_discover_and_send( - OGS_SBI_SERVICE_TYPE_NUDM_SDM, NULL, - amf_nudm_sdm_build_subscription_delete, - amf_ue, - AMF_NETWORK_INITIATED_IMPLICIT_DE_REGISTERED, NULL)); + state = AMF_NETWORK_INITIATED_IMPLICIT_DE_REGISTERED; + } else { ogs_fatal("Invalid State"); ogs_assert_if_reached(); } + if (UDM_SDM_SUBSCRIBED(amf_ue)) { + ogs_assert(true == amf_ue_sbi_discover_and_send( + OGS_SBI_SERVICE_TYPE_NUDM_SDM, NULL, + amf_nudm_sdm_build_subscription_delete, + amf_ue, state, NULL)); + } else if (PCF_AM_POLICY_ASSOCIATED(amf_ue)) { + ogs_assert(true == + amf_ue_sbi_discover_and_send( + OGS_SBI_SERVICE_TYPE_NPCF_AM_POLICY_CONTROL, + NULL, + amf_npcf_am_policy_control_build_delete, + amf_ue, state, NULL)); + } + cleanup: memset(&sendmsg, 0, sizeof(sendmsg)); @@ -799,8 +828,7 @@ static int update_ambr(OpenAPI_change_item_t *item_change, int amf_namf_callback_handle_sdm_data_change_notify( ogs_sbi_stream_t *stream, ogs_sbi_message_t *recvmsg) { - int status = OGS_SBI_HTTP_STATUS_NO_CONTENT; - int r; + int r, state, status = OGS_SBI_HTTP_STATUS_NO_CONTENT; amf_ue_t *amf_ue = NULL; @@ -880,6 +908,20 @@ int amf_namf_callback_handle_sdm_data_change_notify( } if (amf_ue_is_rat_restricted(amf_ue)) { + /* + * - AMF_NETWORK_INITIATED_EXPLICIT_DE_REGISTERED + * 1. UDM_UECM_DeregistrationNotification + * 2. Deregistration request + * 3. UDM_SDM_Unsubscribe + * 4. UDM_UECM_Deregisration + * 5. PDU session release request + * 6. PDUSessionResourceReleaseCommand + + * PDU session release command + * 7. PDUSessionResourceReleaseResponse + * 8. AM_Policy_Association_Termination + * 9. Deregistration accept + * 10. Signalling Connecion Release + */ if (CM_CONNECTED(amf_ue)) { r = nas_5gs_send_de_registration_request( amf_ue, @@ -887,24 +929,32 @@ int amf_namf_callback_handle_sdm_data_change_notify( ogs_expect(r == OGS_OK); ogs_assert(r != OGS_ERROR); - ogs_assert(true == amf_ue_sbi_discover_and_send( - OGS_SBI_SERVICE_TYPE_NUDM_SDM, NULL, - amf_nudm_sdm_build_subscription_delete, - amf_ue, - AMF_NETWORK_INITIATED_EXPLICIT_DE_REGISTERED, NULL)); + state = AMF_NETWORK_INITIATED_EXPLICIT_DE_REGISTERED; + } else if (CM_IDLE(amf_ue)) { ogs_error("Not implemented : Use Implicit De-registration"); - ogs_assert(true == amf_ue_sbi_discover_and_send( - OGS_SBI_SERVICE_TYPE_NUDM_SDM, NULL, - amf_nudm_sdm_build_subscription_delete, - amf_ue, - AMF_NETWORK_INITIATED_IMPLICIT_DE_REGISTERED, NULL)); + state = AMF_NETWORK_INITIATED_IMPLICIT_DE_REGISTERED; + } else { ogs_fatal("Invalid State"); ogs_assert_if_reached(); } + if (UDM_SDM_SUBSCRIBED(amf_ue)) { + ogs_assert(true == amf_ue_sbi_discover_and_send( + OGS_SBI_SERVICE_TYPE_NUDM_SDM, NULL, + amf_nudm_sdm_build_subscription_delete, + amf_ue, state, NULL)); + } else if (PCF_AM_POLICY_ASSOCIATED(amf_ue)) { + ogs_assert(true == + amf_ue_sbi_discover_and_send( + OGS_SBI_SERVICE_TYPE_NPCF_AM_POLICY_CONTROL, + NULL, + amf_npcf_am_policy_control_build_delete, + amf_ue, state, NULL)); + } + } else if (ambr_changed) { ogs_pkbuf_t *ngapbuf; diff --git a/src/amf/nsmf-handler.c b/src/amf/nsmf-handler.c index b9527e036..f5ce15b52 100644 --- a/src/amf/nsmf-handler.c +++ b/src/amf/nsmf-handler.c @@ -910,21 +910,110 @@ int amf_nsmf_pdusession_handle_release_sm_context(amf_sess_t *sess, int state) /* Not reached here */ ogs_assert_if_reached(); - } else if (state == AMF_RELEASE_SM_CONTEXT_NO_STATE || - state == AMF_NETWORK_INITIATED_IMPLICIT_DE_REGISTERED || - state == AMF_NETWORK_INITIATED_EXPLICIT_DE_REGISTERED) { - /* NO_STATE */ + } else if (state == AMF_UE_INITIATED_DE_REGISTERED) { - if (OGS_FSM_CHECK(&amf_ue->sm, gmm_state_authentication)) { - - ogs_assert(true == - amf_ue_sbi_discover_and_send( - OGS_SBI_SERVICE_TYPE_NAUSF_AUTH, NULL, - amf_nausf_auth_build_authenticate, - amf_ue, 0, NULL)); + if (OGS_FSM_CHECK(&amf_ue->sm, gmm_state_de_registered)) { + /* + * 1. PDU session establishment request + * 2. PDUSessionResourceSetupRequest + + * PDU session establishment accept + * 3. PDUSessionResourceSetupResponse + * 4. Deregistration request + * 5. UEContextReleaseCommand + * 6. UEContextReleaseComplete + */ + if (UDM_SDM_SUBSCRIBED(amf_ue)) { + ogs_assert(true == amf_ue_sbi_discover_and_send( + OGS_SBI_SERVICE_TYPE_NUDM_SDM, NULL, + amf_nudm_sdm_build_subscription_delete, + amf_ue, state, NULL)); + } else if (PCF_AM_POLICY_ASSOCIATED(amf_ue)) { + ogs_assert(true == + amf_ue_sbi_discover_and_send( + OGS_SBI_SERVICE_TYPE_NPCF_AM_POLICY_CONTROL, + NULL, + amf_npcf_am_policy_control_build_delete, + amf_ue, state, NULL)); + } else { + r = nas_5gs_send_de_registration_accept(amf_ue); + ogs_expect(r == OGS_OK); + ogs_assert(r != OGS_ERROR); + } } else if (OGS_FSM_CHECK(&amf_ue->sm, - gmm_state_de_registered)) { + gmm_state_authentication)) { + ogs_fatal("Release SM Context in authentication"); + ogs_assert_if_reached(); + } else if (OGS_FSM_CHECK( + &amf_ue->sm, gmm_state_security_mode)) { + ogs_fatal("Release SM Context in security-mode"); + ogs_assert_if_reached(); + } else if (OGS_FSM_CHECK(&amf_ue->sm, + gmm_state_initial_context_setup)) { + ogs_fatal("Release SM Context in initial-context-setup"); + ogs_assert_if_reached(); + } else if (OGS_FSM_CHECK(&amf_ue->sm, gmm_state_registered)) { + ogs_fatal("Release SM Context in registered"); + ogs_assert_if_reached(); + } else if (OGS_FSM_CHECK(&amf_ue->sm, gmm_state_exception)) { + ogs_fatal("Release SM Context in exception"); + ogs_assert_if_reached(); + } else { + ogs_fatal("Release SM Context : INVALID STATE"); + ogs_assert_if_reached(); + } + + } else if (state == AMF_NETWORK_INITIATED_IMPLICIT_DE_REGISTERED || + state == AMF_NETWORK_INITIATED_EXPLICIT_DE_REGISTERED) { + + if (OGS_FSM_CHECK(&amf_ue->sm, gmm_state_de_registered)) { + ogs_fatal("Release SM Context in de-registered"); + ogs_assert_if_reached(); + } else if (OGS_FSM_CHECK(&amf_ue->sm, + gmm_state_authentication)) { + ogs_fatal("Release SM Context in authentication"); + ogs_assert_if_reached(); + } else if (OGS_FSM_CHECK( + &amf_ue->sm, gmm_state_security_mode)) { + ogs_fatal("Release SM Context in security-mode"); + ogs_assert_if_reached(); + } else if (OGS_FSM_CHECK(&amf_ue->sm, + gmm_state_initial_context_setup)) { + ogs_fatal("Release SM Context in initial-context-setup"); + ogs_assert_if_reached(); + } else if (OGS_FSM_CHECK(&amf_ue->sm, gmm_state_registered)) { + /* + * 1. Network-Initiated Implict-Explicit De-Registered + * 5. Deregistration request + * 5. Deregistration accept + * 6. UEContextReleaseCommand + * 7. UEContextReleaseComplete + */ + if (UDM_SDM_SUBSCRIBED(amf_ue)) { + ogs_assert(true == amf_ue_sbi_discover_and_send( + OGS_SBI_SERVICE_TYPE_NUDM_SDM, NULL, + amf_nudm_sdm_build_subscription_delete, + amf_ue, state, NULL)); + } else if (PCF_AM_POLICY_ASSOCIATED(amf_ue)) { + ogs_assert(true == + amf_ue_sbi_discover_and_send( + OGS_SBI_SERVICE_TYPE_NPCF_AM_POLICY_CONTROL, + NULL, + amf_npcf_am_policy_control_build_delete, + amf_ue, state, NULL)); + } + + } else if (OGS_FSM_CHECK(&amf_ue->sm, gmm_state_exception)) { + ogs_fatal("Release SM Context in exception"); + ogs_assert_if_reached(); + } else { + ogs_fatal("Release SM Context : INVALID STATE"); + ogs_assert_if_reached(); + } + } else if (state == AMF_RELEASE_SM_CONTEXT_NO_STATE) { + /* NO_STATE */ + + if (OGS_FSM_CHECK(&amf_ue->sm, gmm_state_de_registered)) { /* * 1. PDU session release request * 2. PDUSessionResourceReleaseCommand + @@ -935,13 +1024,40 @@ int amf_nsmf_pdusession_handle_release_sm_context(amf_sess_t *sess, int state) * 6. UEContextReleaseCommand * 7. UEContextReleaseComplete */ + if (UDM_SDM_SUBSCRIBED(amf_ue)) { + ogs_assert(true == amf_ue_sbi_discover_and_send( + OGS_SBI_SERVICE_TYPE_NUDM_SDM, NULL, + amf_nudm_sdm_build_subscription_delete, + amf_ue, state, NULL)); + } else if (PCF_AM_POLICY_ASSOCIATED(amf_ue)) { + ogs_assert(true == + amf_ue_sbi_discover_and_send( + OGS_SBI_SERVICE_TYPE_NPCF_AM_POLICY_CONTROL, + NULL, + amf_npcf_am_policy_control_build_delete, + amf_ue, state, NULL)); + } else { + r = nas_5gs_send_de_registration_accept(amf_ue); + ogs_expect(r == OGS_OK); + ogs_assert(r != OGS_ERROR); + } + } else if (OGS_FSM_CHECK(&amf_ue->sm, + gmm_state_authentication)) { ogs_assert(true == amf_ue_sbi_discover_and_send( - OGS_SBI_SERVICE_TYPE_NPCF_AM_POLICY_CONTROL, NULL, - amf_npcf_am_policy_control_build_delete, - amf_ue, state, NULL)); + OGS_SBI_SERVICE_TYPE_NAUSF_AUTH, NULL, + amf_nausf_auth_build_authenticate, + amf_ue, 0, NULL)); + } else if (OGS_FSM_CHECK( + &amf_ue->sm, gmm_state_security_mode)) { + ogs_fatal("Release SM Context in security-mode"); + ogs_assert_if_reached(); + } else if (OGS_FSM_CHECK(&amf_ue->sm, + gmm_state_initial_context_setup)) { + ogs_fatal("Release SM Context in initial-context-setup"); + ogs_assert_if_reached(); } else if (OGS_FSM_CHECK(&amf_ue->sm, gmm_state_registered)) { /* * 1. PDU session release request @@ -950,8 +1066,6 @@ int amf_nsmf_pdusession_handle_release_sm_context(amf_sess_t *sess, int state) * 3. PDUSessionResourceReleaseREsponse * 4. PDU session release complete * - * No Deregistration request in the above step - * * So, Nothing to do! */ } else if (OGS_FSM_CHECK(&amf_ue->sm, gmm_state_exception)) { @@ -967,14 +1081,6 @@ int amf_nsmf_pdusession_handle_release_sm_context(amf_sess_t *sess, int state) ogs_expect(r == OGS_OK); ogs_assert(r != OGS_ERROR); - } else if (OGS_FSM_CHECK(&amf_ue->sm, - gmm_state_initial_context_setup)) { - ogs_fatal("Release SM Context in initial-context-setup"); - ogs_assert_if_reached(); - } else if (OGS_FSM_CHECK( - &amf_ue->sm, gmm_state_security_mode)) { - ogs_fatal("Release SM Context in security-mode"); - ogs_assert_if_reached(); } else { ogs_fatal("Release SM Context : INVALID STATE"); ogs_assert_if_reached(); diff --git a/src/amf/sbi-path.c b/src/amf/sbi-path.c index 7f380420e..40ce5fc2e 100644 --- a/src/amf/sbi-path.c +++ b/src/amf/sbi-path.c @@ -495,3 +495,40 @@ bool amf_sbi_send_n1_n2_failure_notify( return rc; } + +bool amf_ue_have_session_release_pending(amf_ue_t *amf_ue) +{ + amf_sess_t *sess = NULL; + + ogs_assert(amf_ue); + + ogs_list_for_each(&amf_ue->sess_list, sess) { + if (amf_sess_have_session_release_pending(sess) == true) + return true; + } + + return false; +} + +bool amf_sess_have_session_release_pending(amf_sess_t *sess) +{ + ogs_sbi_xact_t *xact = NULL; + + ogs_assert(sess); + + ogs_list_for_each(&sess->sbi.xact_list, xact) { + if (xact->state == AMF_UPDATE_SM_CONTEXT_N1_RELEASED) + return true; + if (xact->state == AMF_UPDATE_SM_CONTEXT_N2_RELEASED) + return true; + } + + if (sess->n1_released == true) + return true; + if (sess->n2_released == true) + return true; + if (sess->resource_status == OpenAPI_resource_status_RELEASED) + return true; + + return false; +} diff --git a/src/amf/sbi-path.h b/src/amf/sbi-path.h index 4116b53e4..16b20aa43 100644 --- a/src/amf/sbi-path.h +++ b/src/amf/sbi-path.h @@ -39,8 +39,9 @@ bool amf_sbi_send_request( #define AMF_CREATE_SM_CONTEXT_NO_STATE 0 -#define AMF_NETWORK_INITIATED_IMPLICIT_DE_REGISTERED 1 -#define AMF_NETWORK_INITIATED_EXPLICIT_DE_REGISTERED 2 +#define AMF_UE_INITIATED_DE_REGISTERED 1 +#define AMF_NETWORK_INITIATED_IMPLICIT_DE_REGISTERED 2 +#define AMF_NETWORK_INITIATED_EXPLICIT_DE_REGISTERED 3 #define AMF_UPDATE_SM_CONTEXT_ACTIVATED 11 #define AMF_UPDATE_SM_CONTEXT_SETUP_FAIL 12 @@ -94,6 +95,9 @@ void amf_sbi_send_release_all_sessions(amf_ue_t *amf_ue, int state); bool amf_sbi_send_n1_n2_failure_notify( amf_sess_t *sess, OpenAPI_n1_n2_message_transfer_cause_e cause); +bool amf_ue_have_session_release_pending(amf_ue_t *amf_ue); +bool amf_sess_have_session_release_pending(amf_sess_t *sess); + #ifdef __cplusplus } #endif