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111 lines
3.0 KiB
C++
111 lines
3.0 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 SRSRAN_SCHED_NR_H
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#define SRSRAN_SCHED_NR_H
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#include "sched_nr_cfg.h"
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#include "sched_nr_interface.h"
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#include "sched_nr_ue.h"
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#include "srsran/adt/pool/cached_alloc.h"
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#include "srsran/common/slot_point.h"
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#include <array>
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extern "C" {
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#include "srsran/config.h"
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}
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namespace srsenb {
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namespace sched_nr_impl {
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class cc_worker;
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} // namespace sched_nr_impl
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class ul_sched_result_buffer;
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class sched_nr final : public sched_nr_interface
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{
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public:
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explicit sched_nr();
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~sched_nr() override;
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void stop();
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int config(const sched_args_t& sched_cfg, srsran::const_span<cell_cfg_t> cell_list) override;
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void ue_cfg(uint16_t rnti, const ue_cfg_t& cfg) override;
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void ue_rem(uint16_t rnti) override;
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bool ue_exists(uint16_t rnti) override;
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int dl_rach_info(uint32_t cc, const rar_info_t& rar_info);
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void dl_ack_info(uint16_t rnti, uint32_t cc, uint32_t pid, uint32_t tb_idx, bool ack) override;
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void ul_crc_info(uint16_t rnti, uint32_t cc, uint32_t pid, bool crc) override;
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void ul_sr_info(uint16_t rnti) override;
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void ul_bsr(uint16_t rnti, uint32_t lcg_id, uint32_t bsr) override;
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void dl_buffer_state(uint16_t rnti, uint32_t lcid, uint32_t newtx, uint32_t retx);
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/// Called once per slot in a non-concurrent fashion
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void slot_indication(slot_point slot_tx) override;
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int get_dl_sched(slot_point pdsch_tti, uint32_t cc, dl_res_t& result) override;
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int get_ul_sched(slot_point pusch_tti, uint32_t cc, ul_res_t& result) override;
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void get_metrics(mac_metrics_t& metrics);
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private:
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class feedback_manager
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{
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public:
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struct ue_event_t {
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uint16_t rnti;
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srsran::move_callback<void()> callback;
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};
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void enqueue_event(uint16_t rnti, srsran::move_callback<void()> ev);
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void get_pending_events(srsran::deque<ue_event_t>& current_events);
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private:
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std::mutex event_mutex;
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srsran::deque<ue_event_t> next_slot_events;
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};
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void ue_cfg_impl(uint16_t rnti, const ue_cfg_t& cfg);
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// args
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sched_nr_impl::sched_params cfg;
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srslog::basic_logger* logger = nullptr;
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// slot-specific
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slot_point current_slot_tx;
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std::atomic<int> worker_count{0};
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using slot_cc_worker = sched_nr_impl::cc_worker;
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std::vector<std::unique_ptr<sched_nr_impl::cc_worker> > cc_workers;
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using ue_map_t = sched_nr_impl::ue_map_t;
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ue_map_t ue_db;
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// management of Sched Result buffering
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std::unique_ptr<ul_sched_result_buffer> pending_results;
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// Feedback management
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feedback_manager pending_feedback;
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srsran::deque<feedback_manager::ue_event_t> current_slot_events;
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// metrics extraction
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class ue_metrics_manager;
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std::unique_ptr<ue_metrics_manager> metrics_handler;
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};
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} // namespace srsenb
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#endif // SRSRAN_SCHED_NR_H
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