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115 lines
2.8 KiB
C++
115 lines
2.8 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_CELL_H
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#define SRSRAN_SCHED_NR_CELL_H
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#include "sched_nr_cfg.h"
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#include "sched_nr_grant_allocator.h"
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#include "sched_nr_time_rr.h"
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#include "srsran/adt/pool/cached_alloc.h"
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namespace srsenb {
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namespace sched_nr_impl {
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/// SIB scheduler
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class si_sched
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{
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public:
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explicit si_sched(const bwp_params_t& bwp_cfg_);
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void run_slot(bwp_slot_allocator& slot_alloc);
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private:
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const bwp_params_t* bwp_cfg = nullptr;
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srslog::basic_logger& logger;
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struct sched_si_t {
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uint32_t n = 0;
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uint32_t len = 0;
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uint32_t win_len = 0;
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uint32_t period = 0;
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uint32_t n_tx = 0;
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alloc_result result = alloc_result::invalid_coderate;
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slot_point win_start;
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};
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srsran::bounded_vector<sched_si_t, 10> pending_sis;
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};
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using dl_sched_rar_info_t = sched_nr_interface::rar_info_t;
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/// RAR/Msg3 scheduler
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class ra_sched
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{
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public:
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explicit ra_sched(const bwp_params_t& bwp_cfg_);
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/// Addition of detected PRACH into the queue
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int dl_rach_info(const dl_sched_rar_info_t& rar_info);
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/// Allocate pending RARs
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void run_slot(bwp_slot_allocator& slot_alloc);
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/// Check if there are pending RARs
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bool empty() const { return pending_rars.empty(); }
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private:
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struct pending_rar_t {
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uint16_t ra_rnti = 0;
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slot_point prach_slot;
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slot_interval rar_win;
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srsran::bounded_vector<dl_sched_rar_info_t, sched_interface::MAX_RAR_LIST> msg3_grant;
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};
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alloc_result
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allocate_pending_rar(bwp_slot_allocator& slot_grid, const pending_rar_t& rar, uint32_t& nof_grants_alloc);
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const bwp_params_t* bwp_cfg = nullptr;
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srslog::basic_logger& logger;
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srsran::deque<pending_rar_t> pending_rars;
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};
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class bwp_ctxt
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{
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public:
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explicit bwp_ctxt(const bwp_params_t& bwp_cfg);
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const bwp_params_t* cfg;
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// channel-specific schedulers
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ra_sched ra;
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std::unique_ptr<sched_nr_base> data_sched;
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// Stores pending allocations and PRB bitmaps
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bwp_res_grid grid;
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};
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class serv_cell_manager
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{
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public:
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using feedback_callback_t = srsran::move_callback<void(ue_carrier&)>;
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explicit serv_cell_manager(const cell_params_t& cell_cfg_);
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srsran::bounded_vector<bwp_ctxt, SCHED_NR_MAX_BWP_PER_CELL> bwps;
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const cell_params_t& cfg;
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private:
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srslog::basic_logger& logger;
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};
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} // namespace sched_nr_impl
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} // namespace srsenb
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#endif // SRSRAN_SCHED_NR_CELL_H
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