mirror of https://github.com/PentHertz/srsLTE.git
118 lines
4.1 KiB
C++
118 lines
4.1 KiB
C++
/**
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* Copyright 2013-2022 Software Radio Systems Limited
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*
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* This file is part of srsRAN.
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*
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* srsRAN is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of
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* the License, or (at your option) any later version.
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*
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* srsRAN is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* A copy of the GNU Affero General Public License can be found in
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* the LICENSE file in the top-level directory of this distribution
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* and at http://www.gnu.org/licenses/.
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*
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*/
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#include "srsenb/hdr/common/rnti_pool.h"
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#include "srsran/interfaces/enb_metrics_interface.h"
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#include "srsran/interfaces/enb_rlc_interfaces.h"
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#include "srsran/interfaces/ue_interfaces.h"
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#include "srsran/rlc/rlc.h"
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#include "srsran/srslog/srslog.h"
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#include <map>
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#ifndef SRSENB_RLC_H
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#define SRSENB_RLC_H
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typedef struct {
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uint32_t lcid;
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uint32_t plmn;
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uint16_t mtch_stop;
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uint8_t* payload;
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} mch_service_t;
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namespace srsenb {
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class rrc_interface_rlc;
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class pdcp_interface_rlc;
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class mac_interface_rlc;
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class rlc : public rlc_interface_mac, public rlc_interface_rrc, public rlc_interface_pdcp
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{
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public:
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explicit rlc(srslog::basic_logger& logger) : logger(logger) {}
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void
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init(pdcp_interface_rlc* pdcp_, rrc_interface_rlc* rrc_, mac_interface_rlc* mac_, srsran::timer_handler* timers_);
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void stop();
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void get_metrics(rlc_metrics_t& m, const uint32_t nof_tti);
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// rlc_interface_rrc
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void clear_buffer(uint16_t rnti);
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void add_user(uint16_t rnti);
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void rem_user(uint16_t rnti);
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void add_bearer(uint16_t rnti, uint32_t lcid, const srsran::rlc_config_t& cnfg);
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void add_bearer_mrb(uint16_t rnti, uint32_t lcid);
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void del_bearer(uint16_t rnti, uint32_t lcid);
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bool has_bearer(uint16_t rnti, uint32_t lcid);
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bool suspend_bearer(uint16_t rnti, uint32_t lcid);
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bool resume_bearer(uint16_t rnti, uint32_t lcid);
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bool is_suspended(uint16_t rnti, uint32_t lcid);
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void reestablish(uint16_t rnti) final;
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// rlc_interface_pdcp
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void write_sdu(uint16_t rnti, uint32_t lcid, srsran::unique_byte_buffer_t sdu);
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void discard_sdu(uint16_t rnti, uint32_t lcid, uint32_t discard_sn);
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bool rb_is_um(uint16_t rnti, uint32_t lcid);
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const char* get_rb_name(uint32_t lcid);
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bool sdu_queue_is_full(uint16_t rnti, uint32_t lcid);
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// rlc_interface_mac
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int read_pdu(uint16_t rnti, uint32_t lcid, uint8_t* payload, uint32_t nof_bytes);
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void write_pdu(uint16_t rnti, uint32_t lcid, uint8_t* payload, uint32_t nof_bytes);
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private:
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class user_interface : public srsue::pdcp_interface_rlc, public srsue::rrc_interface_rlc
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{
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public:
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void write_pdu(uint32_t lcid, srsran::unique_byte_buffer_t sdu);
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void notify_delivery(uint32_t lcid, const srsran::pdcp_sn_vector_t& pdcp_sn);
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void notify_failure(uint32_t lcid, const srsran::pdcp_sn_vector_t& pdcp_sn);
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void write_pdu_bcch_bch(srsran::unique_byte_buffer_t sdu);
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void write_pdu_bcch_dlsch(srsran::unique_byte_buffer_t sdu);
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void write_pdu_pcch(srsran::unique_byte_buffer_t sdu);
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void write_pdu_mch(uint32_t lcid, srsran::unique_byte_buffer_t sdu) {}
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void max_retx_attempted();
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void protocol_failure();
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const char* get_rb_name(uint32_t lcid);
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uint16_t rnti;
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srsenb::pdcp_interface_rlc* pdcp;
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srsenb::rrc_interface_rlc* rrc;
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unique_rnti_ptr<srsran::rlc> rlc;
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srsenb::rlc* parent;
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};
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void update_bsr(uint32_t rnti, uint32_t lcid, uint32_t tx_queue, uint32_t retx_queue);
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pthread_rwlock_t rwlock;
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std::map<uint32_t, user_interface> users;
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std::vector<mch_service_t> mch_services;
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mac_interface_rlc* mac = nullptr;
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pdcp_interface_rlc* pdcp = nullptr;
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rrc_interface_rlc* rrc = nullptr;
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srslog::basic_logger& logger;
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srsran::timer_handler* timers = nullptr;
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};
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} // namespace srsenb
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#endif // SRSENB_RLC_H
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