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/*
* Copyright (C) 2019,2020 by Sukchan Lee <acetcom@gmail.com>
*
* This file is part of Open5GS.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef AMF_NAS_5GS_PATH_H
#define AMF_NAS_5GS_PATH_H
#include "gmm-build.h"
#ifdef __cplusplus
extern "C" {
#endif
#define AMF_NAS_BACKOFF_TIME 6 /* 6 seconds */
int nas_5gs_send_to_gnb(amf_ue_t *amf_ue, ogs_pkbuf_t *pkbuf);
int nas_5gs_send_to_downlink_nas_transport(
ran_ue_t *ran_ue, ogs_pkbuf_t *pkbuf);
int nas_5gs_send_registration_accept(amf_ue_t *amf_ue);
int nas_5gs_send_registration_reject(
ran_ue_t *ran_ue, amf_ue_t *amf_ue, ogs_nas_5gmm_cause_t gmm_cause);
int nas_5gs_send_service_accept(amf_ue_t *amf_ue);
int nas_5gs_send_service_reject(
ran_ue_t *ran_ue, amf_ue_t *amf_ue, ogs_nas_5gmm_cause_t gmm_cause);
int nas_5gs_send_de_registration_accept(amf_ue_t *amf_ue);
int nas_5gs_send_de_registration_request(
amf_ue_t *amf_ue,
OpenAPI_deregistration_reason_e dereg_reason,
ogs_nas_5gmm_cause_t gmm_cause);
int nas_5gs_send_identity_request(amf_ue_t *amf_ue);
int nas_5gs_send_authentication_request(amf_ue_t *amf_ue);
int nas_5gs_send_authentication_reject(amf_ue_t *amf_ue);
int nas_5gs_send_security_mode_command(amf_ue_t *amf_ue);
int nas_5gs_send_configuration_update_command(
amf_ue_t *amf_ue, gmm_configuration_update_command_param_t *param);
int nas_send_pdu_session_setup_request(amf_sess_t *sess,
ogs_pkbuf_t *n1smbuf, ogs_pkbuf_t *n2smbuf);
int nas_send_pdu_session_modification_command(amf_sess_t *sess,
ogs_pkbuf_t *n1smbuf, ogs_pkbuf_t *n2smbuf);
int nas_send_pdu_session_release_command(amf_sess_t *sess,
ogs_pkbuf_t *n1smbuf, ogs_pkbuf_t *n2smbuf);
int nas_5gs_send_gmm_status(amf_ue_t *amf_ue, ogs_nas_5gmm_cause_t cause);
int nas_5gs_send_gmm_reject(
ran_ue_t *ran_ue, amf_ue_t *amf_ue, ogs_nas_5gmm_cause_t gmm_cause);
int nas_5gs_send_gmm_reject_from_sbi(amf_ue_t *amf_ue, int status);
int nas_5gs_send_dl_nas_transport(ran_ue_t *ran_ue, amf_sess_t *sess,
uint8_t payload_container_type, ogs_pkbuf_t *payload_container,
ogs_nas_5gmm_cause_t cause, uint8_t backoff_time);
int nas_5gs_send_gsm_reject(ran_ue_t *ran_ue, amf_sess_t *sess,
uint8_t payload_container_type, ogs_pkbuf_t *payload_container);
int nas_5gs_send_back_gsm_message(
ran_ue_t *ran_ue, amf_sess_t *sess,
ogs_nas_5gmm_cause_t cause, uint8_t backoff_time);
#ifdef __cplusplus
}
#endif
#endif /* AMF_NAS_5GS_PATH_H */
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