mirror of https://github.com/pvnis/srsRAN_4G.git
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
96 lines
2.7 KiB
C++
96 lines
2.7 KiB
C++
/**
|
|
* Copyright 2013-2023 Software Radio Systems Limited
|
|
*
|
|
* This file is part of srsRAN.
|
|
*
|
|
* srsRAN 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.
|
|
*
|
|
* srsRAN 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 Affero General Public License for more details.
|
|
*
|
|
* A copy of the GNU Affero General Public License can be found in
|
|
* the LICENSE file in the top-level directory of this distribution
|
|
* and at http://www.gnu.org/licenses/.
|
|
*
|
|
*/
|
|
|
|
/******************************************************************************
|
|
* File: spgw.h
|
|
* Description: Top-level SP-GW class. Creates and links all
|
|
* interfaces and helpers.
|
|
*****************************************************************************/
|
|
|
|
#ifndef SRSEPC_SPGW_H
|
|
#define SRSEPC_SPGW_H
|
|
|
|
#include "srsran/asn1/gtpc.h"
|
|
#include "srsran/common/buffer_pool.h"
|
|
#include "srsran/common/threads.h"
|
|
#include "srsran/srslog/srslog.h"
|
|
#include <cstddef>
|
|
#include <queue>
|
|
|
|
namespace srsepc {
|
|
|
|
class mme_gtpc;
|
|
|
|
const uint16_t GTPU_RX_PORT = 2152;
|
|
|
|
typedef struct {
|
|
std::string gtpu_bind_addr;
|
|
std::string sgi_if_addr;
|
|
std::string sgi_if_name;
|
|
uint32_t max_paging_queue;
|
|
} spgw_args_t;
|
|
|
|
typedef struct spgw_tunnel_ctx {
|
|
uint64_t imsi;
|
|
in_addr_t ue_ipv4;
|
|
uint8_t ebi;
|
|
srsran::gtp_fteid_t up_ctrl_fteid;
|
|
srsran::gtp_fteid_t up_user_fteid;
|
|
srsran::gtp_fteid_t dw_ctrl_fteid;
|
|
srsran::gtp_fteid_t dw_user_fteid;
|
|
bool paging_pending;
|
|
std::queue<srsran::unique_byte_buffer_t> paging_queue;
|
|
} spgw_tunnel_ctx_t;
|
|
|
|
class spgw : public srsran::thread
|
|
{
|
|
class gtpc;
|
|
class gtpu;
|
|
|
|
public:
|
|
static spgw* get_instance(void);
|
|
static void cleanup(void);
|
|
int init(spgw_args_t* args, const std::map<std::string, uint64_t>& ip_to_imsi);
|
|
void stop();
|
|
void run_thread();
|
|
|
|
private:
|
|
spgw();
|
|
virtual ~spgw();
|
|
static spgw* m_instance;
|
|
|
|
spgw_tunnel_ctx_t* create_gtp_ctx(struct srsran::gtpc_create_session_request* cs_req);
|
|
bool delete_gtp_ctx(uint32_t ctrl_teid);
|
|
|
|
bool m_running;
|
|
mme_gtpc* m_mme_gtpc;
|
|
|
|
// GTP-C and GTP-U handlers
|
|
gtpc* m_gtpc;
|
|
gtpu* m_gtpu;
|
|
|
|
// Logs
|
|
srslog::basic_logger& m_logger = srslog::fetch_basic_logger("SPGW");
|
|
};
|
|
|
|
} // namespace srsepc
|
|
#endif // SRSEPC_SPGW_H
|