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145 lines
4.1 KiB
C++
145 lines
4.1 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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#ifndef SRSUE_UE_STACK_NR_H
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#define SRSUE_UE_STACK_NR_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_nr/mac_nr.h"
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#include "rrc/rrc_nr.h"
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#include "srsran/radio/radio.h"
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#include "srsran/upper/pdcp.h"
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#include "srsran/upper/rlc.h"
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#include "upper/nas.h"
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#include "upper/usim.h"
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#include "srsran/common/buffer_pool.h"
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#include "srsran/common/mac_pcap.h"
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#include "srsran/common/multiqueue.h"
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#include "srsran/common/thread_pool.h"
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#include "srsran/interfaces/ue_nr_interfaces.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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/** \brief L2/L3 stack class for 5G/NR UEs.
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*
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* This class wraps all L2/L3 blocks and provides a single interface towards the PHY.
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*/
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class ue_stack_nr final : public ue_stack_base,
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public stack_interface_phy_nr,
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public stack_interface_gw,
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public stack_interface_rrc,
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public srsran::thread
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{
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public:
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ue_stack_nr();
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~ue_stack_nr();
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std::string get_type() final;
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int init(const stack_args_t& args_);
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int init(const stack_args_t& args_, phy_interface_stack_nr* 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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void stop();
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// GW srsue stack_interface_gw dummy interface
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bool is_registered() { return true; };
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bool start_service_request() { return true; };
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bool get_metrics(stack_metrics_t* metrics);
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bool is_rrc_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 run_tti(const uint32_t tti) final;
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// MAC interface for PHY
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sched_rnti_t get_dl_sched_rnti_nr(const uint32_t tti) final { return mac->get_dl_sched_rnti_nr(tti); }
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sched_rnti_t get_ul_sched_rnti_nr(const uint32_t tti) final { return mac->get_ul_sched_rnti_nr(tti); }
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int sf_indication(const uint32_t tti)
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{
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run_tti(tti);
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return SRSRAN_SUCCESS;
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}
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void tb_decoded(const uint32_t cc_idx, const mac_nr_grant_dl_t& grant, tb_action_dl_result_t result) final
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{
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mac->tb_decoded(cc_idx, grant, std::move(result));
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}
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void new_grant_dl(const uint32_t cc_idx, const mac_nr_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 new_grant_ul(const uint32_t cc_idx, const mac_nr_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 prach_sent(uint32_t tti, uint32_t s_id, uint32_t t_id, uint32_t f_id, uint32_t ul_carrier_id)
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{
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mac->prach_sent(tti, s_id, t_id, f_id, ul_carrier_id);
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}
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bool sr_opportunity(uint32_t tti, uint32_t sr_id, bool meas_gap, bool ul_sch_tx)
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{
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return mac->sr_opportunity(tti, sr_id, meas_gap, ul_sch_tx);
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}
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// Interface for GW
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void write_sdu(uint32_t lcid, srsran::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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srsran::tti_point get_current_tti() { return srsran::tti_point{0}; };
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private:
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void run_thread() final;
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void run_tti_impl(uint32_t tti);
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void stop_impl();
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bool running = false;
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srsue::stack_args_t args = {};
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// task scheduler
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srsran::task_scheduler task_sched;
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srsran::task_multiqueue::queue_handle sync_task_queue, ue_task_queue, gw_task_queue;
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// UE stack logging
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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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// stack components
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std::unique_ptr<mac_nr> mac;
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std::unique_ptr<rrc_nr> rrc;
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std::unique_ptr<srsran::rlc> rlc;
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std::unique_ptr<srsran::pdcp> pdcp;
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// RAT-specific interfaces
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phy_interface_stack_nr* 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;
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};
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} // namespace srsue
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#endif // SRSUE_UE_STACK_NR_H
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