134 lines
3.8 KiB
C++
134 lines
3.8 KiB
C++
/*
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* Copyright 2013-2020 Software Radio Systems Limited
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*
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* This file is part of srsLTE.
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*
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* srsLTE 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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* srsLTE 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 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/mac_nr.h"
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#include "rrc/rrc_nr.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/mac_nr_pcap.h"
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#include "srslte/common/multiqueue.h"
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#include "srslte/common/thread_pool.h"
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#include "srslte/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 srslte::thread
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{
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public:
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ue_stack_nr(srslte::logger* logger_);
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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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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(uint32_t tti) final;
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// MAC interface for PHY
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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 SRSLTE_SUCCESS;
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}
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void tb_decoded(const uint32_t cc_idx, mac_nr_grant_dl_t& grant) final { mac->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->new_grant_ul(cc_idx, grant); }
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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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srslte::tti_point get_current_tti() { return srslte::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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srslte::task_scheduler task_sched;
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srslte::task_multiqueue::queue_handle sync_task_queue, ue_task_queue, gw_task_queue;
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// UE stack logging
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srslte::logger* logger = nullptr;
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srslte::log_ref rlc_log;
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srslte::log_ref pdcp_log;
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srslte::log_ref pool_log;
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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<srslte::rlc> rlc;
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std::unique_ptr<srslte::pdcp> pdcp;
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std::unique_ptr<srslte::mac_nr_pcap> mac_pcap;
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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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