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C++

/**
* Copyright 2013-2021 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/.
*
*/
#ifndef SRSRAN_UE_GW_INTERFACES_H
#define SRSRAN_UE_GW_INTERFACES_H
#include "srsran/asn1/liblte_mme.h"
#include "srsran/common/byte_buffer.h"
namespace srsue {
class gw_interface_nas
{
public:
virtual int setup_if_addr(uint32_t eps_bearer_id,
uint32_t lcid,
uint8_t pdn_type,
uint32_t ip_addr,
uint8_t* ipv6_if_id,
char* err_str) = 0;
virtual int apply_traffic_flow_template(const uint8_t& eps_bearer_id,
const uint8_t& lcid,
const LIBLTE_MME_TRAFFIC_FLOW_TEMPLATE_STRUCT* tft) = 0;
typedef enum {
TEST_LOOP_INACTIVE = 0,
TEST_LOOP_MODE_A_ACTIVE,
TEST_LOOP_MODE_B_ACTIVE,
TEST_LOOP_MODE_C_ACTIVE
} test_loop_mode_state_t;
/**
* Updates the test loop mode. The IP delay parameter is only valid for Mode B.
* @param mode
* @param ip_pdu_delay_ms The PDU delay in ms
*/
virtual void set_test_loop_mode(const test_loop_mode_state_t mode, const uint32_t ip_pdu_delay_ms = 0) = 0;
};
class gw_interface_rrc
{
public:
virtual void add_mch_port(uint32_t lcid, uint32_t port) = 0;
virtual int update_lcid(uint32_t eps_bearer_id, uint32_t new_lcid) = 0;
virtual bool is_running() = 0;
};
class gw_interface_pdcp
{
public:
virtual void write_pdu(uint32_t lcid, srsran::unique_byte_buffer_t pdu) = 0;
virtual void write_pdu_mch(uint32_t lcid, srsran::unique_byte_buffer_t pdu) = 0;
};
class gw_interface_stack : public gw_interface_nas, public gw_interface_rrc, public gw_interface_pdcp
{};
} // namespace srsue
#endif // SRSRAN_UE_GW_INTERFACES_H