srsLTE/srsenb/hdr/stack/upper/rlc.h

106 lines
3.5 KiB
C++

/*
* Copyright 2013-2019 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/.
*
*/
#include "srslte/interfaces/enb_interfaces.h"
#include "srslte/interfaces/ue_interfaces.h"
#include "srslte/upper/rlc.h"
#include <map>
#ifndef SRSENB_RLC_H
#define SRSENB_RLC_H
typedef struct {
uint32_t lcid;
uint32_t plmn;
uint16_t mtch_stop;
uint8_t* payload;
} mch_service_t;
namespace srsenb {
class rlc : public rlc_interface_mac, public rlc_interface_rrc, public rlc_interface_pdcp
{
public:
void init(pdcp_interface_rlc* pdcp_,
rrc_interface_rlc* rrc_,
mac_interface_rlc* mac_,
srslte::timer_handler* timers_,
srslte::log* log_h);
void stop();
// rlc_interface_rrc
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);
bool has_bearer(uint16_t rnti, uint32_t lcid);
bool suspend_bearer(uint16_t rnti, uint32_t lcid);
bool resume_bearer(uint16_t rnti, uint32_t lcid);
// rlc_interface_pdcp
void write_sdu(uint16_t rnti, uint32_t lcid, srslte::unique_byte_buffer_t sdu);
void discard_sdu(uint16_t rnti, uint32_t lcid, uint32_t discard_sn);
bool rb_is_um(uint16_t rnti, uint32_t lcid);
std::string get_rb_name(uint32_t lcid);
// rlc_interface_mac
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();
std::string get_rb_name(uint32_t lcid);
uint16_t rnti;
srsenb::pdcp_interface_rlc* pdcp;
srsenb::rrc_interface_rlc* rrc;
std::unique_ptr<srslte::rlc> rlc;
srsenb::rlc* parent;
};
pthread_rwlock_t rwlock;
std::map<uint32_t, user_interface> users;
std::vector<mch_service_t> mch_services;
mac_interface_rlc* mac;
pdcp_interface_rlc* pdcp;
rrc_interface_rlc* rrc;
srslte::log* log_h;
srslte::byte_buffer_pool* pool;
srslte::timer_handler* timers;
};
} // namespace srsenb
#endif // SRSENB_RLC_H