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104 lines
3.6 KiB
C++
104 lines
3.6 KiB
C++
/**
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* Copyright 2013-2021 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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#ifndef SRSENB_RLC_NR_H
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#define SRSENB_RLC_NR_H
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#include "srsran/interfaces/gnb_interfaces.h"
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#include "srsran/rlc/rlc.h"
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#include <map>
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namespace srsenb {
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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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class rlc_nr final : public rlc_interface_mac_nr, public rlc_interface_rrc_nr, public rlc_interface_pdcp_nr
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{
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public:
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explicit rlc_nr(const char* logname);
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void init(pdcp_interface_rlc_nr* pdcp_,
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rrc_interface_rlc_nr* rrc_,
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mac_interface_rlc_nr* mac_,
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srsran::timer_handler* timers_);
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void stop();
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// rlc_interface_rrc_nr
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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, srsran::rlc_config_t cnfg);
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void add_bearer_mrb(uint16_t rnti, uint32_t lcid);
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// rlc_interface_pdcp_nr
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void write_sdu(uint16_t rnti, uint32_t lcid, srsran::unique_byte_buffer_t sdu);
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bool rb_is_um(uint16_t rnti, uint32_t lcid);
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bool sdu_queue_is_full(uint16_t rnti, uint32_t lcid);
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const char* get_rb_name(uint32_t lcid);
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// rlc_interface_mac_nr
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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 read_pdu_bcch_dlsch(uint32_t sib_index, uint8_t* payload);
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void write_pdu(uint16_t rnti, uint32_t lcid, uint8_t* payload, uint32_t nof_bytes);
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void read_pdu_pcch(uint8_t* payload, uint32_t buffer_size);
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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_sns);
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void notify_failure(uint32_t lcid, const srsran::pdcp_sn_vector_t& pdcp_sns);
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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() final;
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void protocol_failure() final;
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const char* get_rb_name(uint32_t lcid) final;
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uint16_t rnti;
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srsenb::pdcp_interface_rlc_nr* m_pdcp = nullptr;
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srsenb::rrc_interface_rlc_nr* m_rrc = nullptr;
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std::unique_ptr<srsran::rlc> m_rlc;
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rlc_nr* parent = nullptr;
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};
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// args
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srsran::timer_handler* timers = nullptr;
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mac_interface_rlc_nr* m_mac = nullptr;
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pdcp_interface_rlc_nr* m_pdcp = nullptr;
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rrc_interface_rlc_nr* m_rrc = nullptr;
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srslog::basic_logger& logger;
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// state
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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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};
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} // namespace srsenb
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#endif // SRSENB_RLC_NR_H
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