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103 lines
3.5 KiB
C++

/*
* Copyright 2013-2020 Software Radio Systems Limited
*
* This file is part of srsLTE.
*
* srsLTE 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.
*
* srsLTE 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 SRSENB_RLC_NR_H
#define SRSENB_RLC_NR_H
#include "srslte/common/log.h"
#include "srslte/common/log_filter.h"
#include "srslte/common/logger.h"
#include "srslte/interfaces/gnb_interfaces.h"
#include "srslte/upper/rlc.h"
#include <map>
namespace srsenb {
typedef struct {
uint32_t lcid;
uint32_t plmn;
uint16_t mtch_stop;
uint8_t* payload;
} mch_service_t;
class rlc_nr final : public rlc_interface_mac_nr, public rlc_interface_rrc_nr, public rlc_interface_pdcp_nr
{
public:
explicit rlc_nr(const char* logname);
void init(pdcp_interface_rlc_nr* pdcp_,
rrc_interface_rlc_nr* rrc_,
mac_interface_rlc_nr* mac_,
srslte::timer_handler* timers_);
void stop();
// rlc_interface_rrc_nr
void clear_buffer(uint16_t rnti);
void add_user(uint16_t rnti);
void rem_user(uint16_t rnti);
void add_bearer(uint16_t rnti, uint32_t lcid, srslte::rlc_config_t cnfg);
void add_bearer_mrb(uint16_t rnti, uint32_t lcid);
// rlc_interface_pdcp_nr
void write_sdu(uint16_t rnti, uint32_t lcid, srslte::unique_byte_buffer_t sdu);
bool rb_is_um(uint16_t rnti, uint32_t lcid);
std::string get_rb_name(uint32_t lcid);
// rlc_interface_mac_nr
int read_pdu(uint16_t rnti, uint32_t lcid, uint8_t* payload, uint32_t nof_bytes);
// void read_pdu_bcch_dlsch(uint32_t sib_index, uint8_t* payload);
void write_pdu(uint16_t rnti, uint32_t lcid, uint8_t* payload, uint32_t nof_bytes);
void read_pdu_pcch(uint8_t* payload, uint32_t buffer_size);
private:
class user_interface : public srsue::pdcp_interface_rlc, public srsue::rrc_interface_rlc
{
public:
void write_pdu(uint32_t lcid, srslte::unique_byte_buffer_t sdu);
void write_pdu_bcch_bch(srslte::unique_byte_buffer_t sdu);
void write_pdu_bcch_dlsch(srslte::unique_byte_buffer_t sdu);
void write_pdu_pcch(srslte::unique_byte_buffer_t sdu);
void write_pdu_mch(uint32_t lcid, srslte::unique_byte_buffer_t sdu) {}
void max_retx_attempted() final;
std::string get_rb_name(uint32_t lcid) final;
uint16_t rnti;
srsenb::pdcp_interface_rlc_nr* m_pdcp = nullptr;
srsenb::rrc_interface_rlc_nr* m_rrc = nullptr;
std::unique_ptr<srslte::rlc> m_rlc;
rlc_nr* parent = nullptr;
};
// args
srslte::byte_buffer_pool* pool = nullptr;
srslte::log_ref m_log;
srslte::timer_handler* timers = nullptr;
mac_interface_rlc_nr* m_mac = nullptr;
pdcp_interface_rlc_nr* m_pdcp = nullptr;
rrc_interface_rlc_nr* m_rrc = nullptr;
// state
std::map<uint32_t, user_interface> users;
std::vector<mch_service_t> mch_services;
};
} // namespace srsenb
#endif // SRSENB_RLC_NR_H