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206 lines
6.3 KiB
C++
206 lines
6.3 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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/******************************************************************************
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* File: ue_stack.h
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* Description: L2/L3 LTE stack class.
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*****************************************************************************/
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#ifndef SRSUE_UE_STACK_LTE_H
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#define SRSUE_UE_STACK_LTE_H
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#include <functional>
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#include <pthread.h>
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#include <stdarg.h>
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#include <string>
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#include "mac/mac.h"
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#include "mac_nr/mac_nr.h"
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#include "rrc/rrc.h"
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#include "srslte/radio/radio.h"
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#include "srslte/upper/pdcp.h"
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#include "srslte/upper/rlc.h"
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#include "upper/nas.h"
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#include "upper/usim.h"
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#include "srslte/common/buffer_pool.h"
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#include "srslte/common/log_filter.h"
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#include "srslte/common/multiqueue.h"
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#include "srslte/common/task_scheduler.h"
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#include "srslte/common/thread_pool.h"
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#include "srslte/interfaces/ue_interfaces.h"
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#include "srslte/common/time_prof.h"
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#include "srsue/hdr/ue_metrics_interface.h"
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#include "ue_stack_base.h"
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namespace srsue {
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class ue_stack_lte final : public ue_stack_base,
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public stack_interface_phy_lte,
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#ifdef HAVE_5GNR
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public stack_interface_phy_nr,
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#endif
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public stack_interface_gw,
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public stack_interface_rrc,
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public srslte::thread
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{
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public:
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explicit ue_stack_lte(srslog::sink& log_sink);
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~ue_stack_lte();
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std::string get_type() final;
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int init(const stack_args_t& args_, srslte::logger* logger_);
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int init(const stack_args_t& args_, srslte::logger* logger_, phy_interface_stack_lte* phy_, gw_interface_stack* gw_);
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bool switch_on() final;
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bool switch_off() final;
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bool is_registered() final;
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bool start_service_request() final;
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bool enable_data();
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bool disable_data();
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void stop() final;
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bool get_metrics(stack_metrics_t* metrics) final;
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bool is_rrc_connected() { return rrc.is_connected(); };
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// RRC interface for PHY
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void in_sync() final;
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void out_of_sync() final;
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void new_cell_meas(const std::vector<phy_meas_t>& meas) override { rrc.new_cell_meas(meas); }
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void cell_search_complete(cell_search_ret_t ret, phy_cell_t found_cell) final;
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void cell_select_complete(bool status) final;
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void set_config_complete(bool status) final;
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void set_scell_complete(bool status) final;
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// MAC Interface for EUTRA PHY
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uint16_t get_dl_sched_rnti(uint32_t tti) final { return mac.get_dl_sched_rnti(tti); }
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uint16_t get_ul_sched_rnti(uint32_t tti) final { return mac.get_ul_sched_rnti(tti); }
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void new_grant_ul(uint32_t cc_idx, mac_grant_ul_t grant, tb_action_ul_t* action) final
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{
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mac.new_grant_ul(cc_idx, grant, action);
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}
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void new_grant_dl(uint32_t cc_idx, mac_grant_dl_t grant, tb_action_dl_t* action) final
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{
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mac.new_grant_dl(cc_idx, grant, action);
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}
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void tb_decoded(uint32_t cc_idx, mac_grant_dl_t grant, bool ack[SRSLTE_MAX_CODEWORDS]) final
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{
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mac.tb_decoded(cc_idx, grant, ack);
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}
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void bch_decoded_ok(uint32_t cc_idx, uint8_t* payload, uint32_t len) final
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{
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mac.bch_decoded_ok(cc_idx, payload, len);
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}
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void mch_decoded(uint32_t len, bool crc) final { mac.mch_decoded(len, crc); }
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void new_mch_dl(const srslte_pdsch_grant_t& phy_grant, tb_action_dl_t* action) final
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{
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mac.new_mch_dl(phy_grant, action);
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}
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void set_mbsfn_config(uint32_t nof_mbsfn_services) final { mac.set_mbsfn_config(nof_mbsfn_services); }
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void run_tti(uint32_t tti, uint32_t tti_jump) final;
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#ifdef HAVE_5GNR
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// MAC Interface for NR PHY
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int sf_indication(const uint32_t tti) final { return SRSLTE_SUCCESS; }
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void tb_decoded(const uint32_t cc_idx, mac_nr_grant_dl_t& grant) final { mac_nr.tb_decoded(cc_idx, grant); }
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void new_grant_ul(const uint32_t cc_idx, const mac_nr_grant_ul_t& grant) final { mac_nr.new_grant_ul(cc_idx, grant); }
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void run_tti(const uint32_t tti) final
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{
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// ignored, timing will be handled by EUTRA
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}
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#endif
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// Interface for GW
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void write_sdu(uint32_t lcid, srslte::unique_byte_buffer_t sdu) final;
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bool is_lcid_enabled(uint32_t lcid) final { return pdcp.is_lcid_enabled(lcid); }
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// Interface for RRC
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tti_point get_current_tti() final { return current_tti; }
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srslte::ext_task_sched_handle get_task_sched() { return {&task_sched}; }
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private:
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void run_thread() final;
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void run_tti_impl(uint32_t tti, uint32_t tti_jump);
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void stop_impl();
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const uint32_t TTI_STAT_PERIOD = 1024;
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const std::chrono::milliseconds TTI_WARN_THRESHOLD_MS{5};
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const uint32_t SYNC_QUEUE_WARN_THRESHOLD = 5;
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bool running;
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srsue::stack_args_t args;
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srslte::tti_point current_tti;
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// UE stack logging
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srslte::logger* logger = nullptr;
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srslte::log_ref mac_log{"MAC"};
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srslte::log_ref rlc_log{"RLC"};
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srslte::log_ref pdcp_log{"PDCP"};
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srslte::log_ref rrc_log{"RRC"};
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srslte::log_ref usim_log{"USIM"};
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srslte::log_ref nas_log{"NAS"};
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srslog::basic_logger& stack_logger;
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srslog::basic_logger& mac_logger;
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srslog::basic_logger& rlc_logger;
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srslog::basic_logger& pdcp_logger;
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srslog::basic_logger& rrc_logger;
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srslog::basic_logger& usim_logger;
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srslog::basic_logger& nas_logger;
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// RAT-specific interfaces
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phy_interface_stack_lte* phy = nullptr;
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gw_interface_stack* gw = nullptr;
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// Thread
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static const int STACK_MAIN_THREAD_PRIO = 4; // Next lower priority after PHY workers
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srslte::block_queue<stack_metrics_t> pending_stack_metrics;
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task_scheduler task_sched;
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srslte::task_multiqueue::queue_handle sync_task_queue, ue_task_queue, gw_queue_id, cfg_task_queue;
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// TTI stats
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srslte::tprof<srslte::sliding_window_stats_ms> tti_tprof;
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// stack components
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srsue::mac mac;
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srslte::mac_pcap mac_pcap;
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srslte::nas_pcap nas_pcap;
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srslte::rlc rlc;
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srslte::pdcp pdcp;
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srsue::rrc rrc;
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#ifdef HAVE_5GNR
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srsue::mac_nr mac_nr;
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srsue::rrc_nr rrc_nr;
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#endif
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srsue::nas nas;
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std::unique_ptr<usim_base> usim;
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// Metrics helper
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uint32_t ul_dropped_sdus = 0;
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};
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} // namespace srsue
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#endif // SRSUE_UE_STACK_LTE_H
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