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140 lines
3.9 KiB
C++
140 lines
3.9 KiB
C++
/**
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*
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* \section COPYRIGHT
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*
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* Copyright 2013-2020 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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#ifndef SRSUE_RRC_NR_H
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#define SRSUE_RRC_NR_H
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#include "srslte/asn1/rrc_nr.h"
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#include "srslte/common/block_queue.h"
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#include "srslte/common/buffer_pool.h"
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#include "srslte/interfaces/nr_common_interface_types.h"
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#include "srslte/interfaces/ue_interfaces.h"
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#include "srslte/interfaces/ue_nr_interfaces.h"
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#include "srsue/hdr/stack/upper/gw.h"
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namespace srsue {
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// Expert arguments to create GW without proper RRC
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struct core_less_args_t {
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std::string ip_addr;
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srsue::gw_args_t gw_args;
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uint8_t drb_lcid;
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};
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struct rrc_nr_args_t {
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core_less_args_t coreless;
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std::string log_level;
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uint32_t log_hex_limit;
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};
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struct rrc_nr_metrics_t {};
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class rrc_nr final : public rrc_interface_phy_nr,
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public rrc_interface_pdcp,
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public rrc_interface_rlc,
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public rrc_nr_interface_rrc,
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public srslte::timer_callback
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{
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public:
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rrc_nr();
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~rrc_nr();
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void init(phy_interface_rrc_nr* phy_,
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mac_interface_rrc_nr* mac_,
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rlc_interface_rrc* rlc_,
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pdcp_interface_rrc* pdcp_,
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gw_interface_rrc* gw_,
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srslte::timer_handler* timers_,
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stack_interface_rrc* stack_,
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const rrc_nr_args_t& args_);
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void stop();
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void get_metrics(rrc_nr_metrics_t& m);
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// Timeout callback interface
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void timer_expired(uint32_t timeout_id) final;
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void srslte_rrc_log(const char* str);
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enum direction_t { Rx = 0, Tx };
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template <class T>
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void log_rrc_message(const std::string& source,
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direction_t dir,
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const srslte::byte_buffer_t* pdu,
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const T& msg,
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const std::string& msg_type);
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// PHY interface
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void in_sync() final;
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void out_of_sync() final;
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// MAC interface
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void run_tti(uint32_t tti) final;
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// RLC interface
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void max_retx_attempted() final;
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// PDCP interface
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void write_pdu(uint32_t lcid, srslte::unique_byte_buffer_t pdu) final;
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void write_pdu_bcch_bch(srslte::unique_byte_buffer_t pdu) final;
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void write_pdu_bcch_dlsch(srslte::unique_byte_buffer_t pdu) final;
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void write_pdu_pcch(srslte::unique_byte_buffer_t pdu) final;
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void write_pdu_mch(uint32_t lcid, srslte::unique_byte_buffer_t pdu) final;
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// RRC (LTE) interface
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void get_eutra_nr_capabilities(srslte::byte_buffer_t* eutra_nr_caps);
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void get_nr_capabilities(srslte::byte_buffer_t* eutra_nr_caps);
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// STACK interface
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void cell_search_completed(const rrc_interface_phy_lte::cell_search_ret_t& cs_ret, const phy_cell_t& found_cell);
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private:
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struct cmd_msg_t {
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enum { PDU, PCCH, PDU_MCH, RLF, PDU_BCCH_DLSCH, STOP } command;
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srslte::unique_byte_buffer_t pdu;
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uint16_t lcid;
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};
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bool running = false;
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srslte::block_queue<cmd_msg_t> cmd_q;
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phy_interface_rrc_nr* phy = nullptr;
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// mac_interface_rrc* mac = nullptr;
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rlc_interface_rrc* rlc = nullptr;
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pdcp_interface_rrc* pdcp = nullptr;
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gw_interface_rrc* gw = nullptr;
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stack_interface_rrc* stack = nullptr;
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srslte::log_ref log_h;
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/// RRC states (3GPP 38.331 v15.5.1 Sec 4.2.1)
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enum rrc_nr_state_t {
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RRC_NR_STATE_IDLE = 0,
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RRC_NR_STATE_CONNECTED,
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RRC_NR_STATE_CONNECTED_INACTIVE,
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RRC_NR_STATE_N_ITEMS,
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};
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const static char* rrc_nr_state_text[RRC_NR_STATE_N_ITEMS];
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// rrc_nr_state_t state = RRC_NR_STATE_IDLE;
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rrc_nr_args_t args = {};
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// RRC constants and timers
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srslte::timer_handler* timers = nullptr;
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std::string get_rb_name(uint32_t lcid) final { return srslte::to_string((srslte::rb_id_nr_t)lcid); }
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};
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} // namespace srsue
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#endif // SRSUE_RRC_NR_H
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