open5gs/src/amf/context.h

168 lines
5.0 KiB
C

/*
* 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_CONTEXT_H
#define AMF_CONTEXT_H
#include "ogs-app.h"
#include "ogs-sbi.h"
#include "ogs-sctp.h"
#include "ogs-ngap.h"
#include "ogs-nas-5gs.h"
#include "amf-sm.h"
#include "timer.h"
#ifdef __cplusplus
extern "C" {
#endif
#define MAX_NUM_OF_SERVED_GUAMI 8
extern int __amf_log_domain;
#undef OGS_LOG_DOMAIN
#define OGS_LOG_DOMAIN __amf_log_domain
typedef uint32_t amf_m_tmsi_t;
typedef struct amf_context_s {
ogs_queue_t *queue; /* Queue for processing UPF control */
ogs_timer_mgr_t *timer_mgr; /* Timer Manager */
ogs_pollset_t *pollset; /* Poll Set for I/O Multiplexing */
OpenAPI_nf_type_e nf_type;
/* Served GUMME */
uint8_t num_of_served_guami;
struct {
ogs_plmn_id_t plmn_id;
ogs_amf_id_t amf_id;
} served_guami[MAX_NUM_OF_SERVED_GUAMI];
/* Served TAI */
uint8_t num_of_served_tai;
struct {
ogs_5gs_tai0_list_t list0;
ogs_5gs_tai2_list_t list2;
} served_tai[OGS_MAX_NUM_OF_SERVED_TAI];
/* PLMN Support */
uint8_t num_of_plmn_support;
struct {
ogs_plmn_id_t plmn_id;
int num_of_s_nssai;
ogs_s_nssai_t s_nssai[OGS_MAX_NUM_OF_S_NSSAI];
} plmn_support[OGS_MAX_NUM_OF_PLMN];
/* defined in 'nas_ies.h'
* #define NAS_SECURITY_ALGORITHMS_EIA0 0
* #define NAS_SECURITY_ALGORITHMS_128_EEA1 1
* #define NAS_SECURITY_ALGORITHMS_128_EEA2 2
* #define NAS_SECURITY_ALGORITHMS_128_EEA3 3 */
uint8_t num_of_ciphering_order;
uint8_t ciphering_order[OGS_MAX_NUM_OF_ALGORITHM];
/* defined in 'nas_ies.h'
* #define NAS_SECURITY_ALGORITHMS_EIA0 0
* #define NAS_SECURITY_ALGORITHMS_128_EIA1 1
* #define NAS_SECURITY_ALGORITHMS_128_EIA1 2
* #define NAS_SECURITY_ALGORITHMS_128_EIA3 3 */
uint8_t num_of_integrity_order;
uint8_t integrity_order[OGS_MAX_NUM_OF_ALGORITHM];
/* Network Name */
ogs_nas_network_name_t short_name; /* Network short name */
ogs_nas_network_name_t full_name; /* Network Full Name */
/* AMF Name */
const char *amf_name;
/* M-TMSI Pool */
OGS_POOL(m_tmsi, amf_m_tmsi_t);
/* NGSetupResponse */
uint8_t relative_capacity;
uint16_t ngap_port; /* Default NGAP Port */
ogs_list_t ngap_list; /* AMF NGAP IPv4 Server List */
ogs_list_t ngap_list6; /* AMF NGAP IPv6 Server List */
ogs_list_t gnb_list; /* ENB S1AP Client List */
ogs_hash_t *gnb_addr_hash; /* hash table for GNB Address */
ogs_hash_t *gnb_id_hash; /* hash table for GNB-ID */
} amf_context_t;
typedef struct amf_gnb_s {
ogs_lnode_t lnode;
ogs_fsm_t sm; /* A state machine */
uint32_t gnb_id; /* eNB_ID received from eNB */
int sock_type; /* SOCK_STREAM or SOCK_SEQPACKET */
ogs_sock_t *sock; /* eNB S1AP Socket */
ogs_sockaddr_t *addr; /* eNB S1AP Address */
ogs_poll_t *poll; /* eNB S1AP Poll */
struct {
bool ng_setup_success; /* eNB S1AP Setup complete successfuly */
} state;
uint16_t max_num_of_ostreams;/* SCTP Max num of outbound streams */
uint16_t ostream_id; /* gnb_ostream_id generator */
uint8_t num_of_supported_ta_list;
ogs_5gs_tai_t supported_ta_list[OGS_MAX_NUM_OF_TAI*OGS_MAX_NUM_OF_BPLMN];
ogs_list_t gnb_ue_list;
} amf_gnb_t;
void amf_context_init(void);
void amf_context_final(void);
amf_context_t *amf_self(void);
int amf_context_parse_config(void);
amf_gnb_t *amf_gnb_add(ogs_sock_t *sock, ogs_sockaddr_t *addr);
int amf_gnb_remove(amf_gnb_t *gnb);
int amf_gnb_remove_all(void);
amf_gnb_t *amf_gnb_find_by_addr(ogs_sockaddr_t *addr);
amf_gnb_t *amf_gnb_find_by_gnb_id(uint32_t gnb_id);
int amf_gnb_set_gnb_id(amf_gnb_t *gnb, uint32_t gnb_id);
int amf_gnb_sock_type(ogs_sock_t *sock);
int amf_find_served_tai(ogs_5gs_tai_t *tai);
int amf_m_tmsi_pool_generate(void);
amf_m_tmsi_t *amf_m_tmsi_alloc(void);
int amf_m_tmsi_free(amf_m_tmsi_t *tmsi);
#if 0
uint8_t amf_selected_int_algorithm(amf_ue_t *amf_ue);
uint8_t amf_selected_enc_algorithm(amf_ue_t *amf_ue);
#endif
#ifdef __cplusplus
}
#endif
#endif /* AMF_CONTEXT_H */