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126 lines
4.3 KiB
C++
126 lines
4.3 KiB
C++
/**
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*
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* \section COPYRIGHT
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*
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* Copyright 2013-2021 Software Radio Systems Limited
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*
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* By using this file, you agree to the terms and conditions set
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* forth in the LICENSE file which can be found at the top level of
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* the distribution.
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*
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*/
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#include "srsran/common/timers.h"
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#include "srsran/interfaces/enb_metrics_interface.h"
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#include "srsran/interfaces/enb_pdcp_interfaces.h"
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#include "srsran/interfaces/ue_gw_interfaces.h"
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#include "srsran/interfaces/ue_rlc_interfaces.h"
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#include "srsran/srslog/srslog.h"
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#include "srsran/upper/pdcp.h"
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#include <map>
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#ifndef SRSENB_PDCP_H
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#define SRSENB_PDCP_H
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namespace srsenb {
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class rrc_interface_pdcp;
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class rlc_interface_pdcp;
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class gtpu_interface_pdcp;
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class pdcp : public pdcp_interface_rlc, public pdcp_interface_gtpu, public pdcp_interface_rrc
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{
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public:
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pdcp(srsran::task_sched_handle task_sched_, srslog::basic_logger& logger);
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virtual ~pdcp() {}
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void init(rlc_interface_pdcp* rlc_, rrc_interface_pdcp* rrc_, gtpu_interface_pdcp* gtpu_);
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void stop();
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// pdcp_interface_rlc
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void write_pdu(uint16_t rnti, uint32_t lcid, srsran::unique_byte_buffer_t sdu) override;
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void notify_delivery(uint16_t rnti, uint32_t lcid, const srsran::pdcp_sn_vector_t& pdcp_sn) override;
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void notify_failure(uint16_t rnti, uint32_t lcid, const srsran::pdcp_sn_vector_t& pdcp_sn) override;
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void write_pdu_mch(uint32_t lcid, srsran::unique_byte_buffer_t sdu) {}
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// pdcp_interface_rrc
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void reset(uint16_t rnti) override;
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void add_user(uint16_t rnti) override;
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void rem_user(uint16_t rnti) override;
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void write_sdu(uint16_t rnti, uint32_t lcid, srsran::unique_byte_buffer_t sdu, int pdcp_sn = -1) override;
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void add_bearer(uint16_t rnti, uint32_t lcid, srsran::pdcp_config_t cnfg) override;
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void del_bearer(uint16_t rnti, uint32_t lcid) override;
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void config_security(uint16_t rnti, uint32_t lcid, srsran::as_security_config_t cfg_sec) override;
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void enable_integrity(uint16_t rnti, uint32_t lcid) override;
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void enable_encryption(uint16_t rnti, uint32_t lcid) override;
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bool get_bearer_state(uint16_t rnti, uint32_t lcid, srsran::pdcp_lte_state_t* state) override;
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bool set_bearer_state(uint16_t rnti, uint32_t lcid, const srsran::pdcp_lte_state_t& state) override;
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void send_status_report(uint16_t rnti) override;
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void send_status_report(uint16_t rnti, uint32_t lcid) override;
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void reestablish(uint16_t rnti) override;
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// pdcp_interface_gtpu
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std::map<uint32_t, srsran::unique_byte_buffer_t> get_buffered_pdus(uint16_t rnti, uint32_t lcid) override;
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// Metrics
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void get_metrics(pdcp_metrics_t& m, const uint32_t nof_tti);
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private:
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class user_interface_rlc : public srsue::rlc_interface_pdcp
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{
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public:
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uint16_t rnti;
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srsenb::rlc_interface_pdcp* rlc;
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// rlc_interface_pdcp
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void write_sdu(uint32_t lcid, srsran::unique_byte_buffer_t sdu);
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void discard_sdu(uint32_t lcid, uint32_t discard_sn);
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bool rb_is_um(uint32_t lcid);
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bool sdu_queue_is_full(uint32_t lcid);
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};
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class user_interface_gtpu : public srsue::gw_interface_pdcp
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{
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public:
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uint16_t rnti;
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srsenb::gtpu_interface_pdcp* gtpu;
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// gw_interface_pdcp
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void write_pdu(uint32_t lcid, srsran::unique_byte_buffer_t pdu);
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void write_pdu_mch(uint32_t lcid, srsran::unique_byte_buffer_t sdu) {}
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};
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class user_interface_rrc : public srsue::rrc_interface_pdcp
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{
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public:
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uint16_t rnti;
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srsenb::rrc_interface_pdcp* rrc;
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// rrc_interface_pdcp
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void write_pdu(uint32_t lcid, srsran::unique_byte_buffer_t pdu);
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void write_pdu_bcch_bch(srsran::unique_byte_buffer_t pdu);
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void write_pdu_bcch_dlsch(srsran::unique_byte_buffer_t pdu);
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void write_pdu_pcch(srsran::unique_byte_buffer_t pdu);
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void write_pdu_mch(uint32_t lcid, srsran::unique_byte_buffer_t pdu) {}
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std::string get_rb_name(uint32_t lcid);
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};
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class user_interface
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{
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public:
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user_interface_rlc rlc_itf;
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user_interface_gtpu gtpu_itf;
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user_interface_rrc rrc_itf;
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srsran::pdcp* pdcp;
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};
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void clear_user(user_interface* ue);
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std::map<uint32_t, user_interface> users;
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rlc_interface_pdcp* rlc;
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rrc_interface_pdcp* rrc;
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gtpu_interface_pdcp* gtpu;
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srsran::task_sched_handle task_sched;
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srslog::basic_logger& logger;
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};
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} // namespace srsenb
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#endif // SRSENB_PDCP_H
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