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91 lines
3.0 KiB
C++
91 lines
3.0 KiB
C++
/**
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*
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* \section COPYRIGHT
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*
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* Copyright 2013-2020 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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#ifndef SRSLTE_SCHED_COMMON_H
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#define SRSLTE_SCHED_COMMON_H
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#include "srslte/adt/bounded_bitset.h"
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#include "srslte/common/tti_point.h"
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#include "srslte/interfaces/sched_interface.h"
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namespace srsenb {
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/***********************
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* Constants
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**********************/
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constexpr float tti_duration_ms = 1;
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/***********************
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* Helper Types
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**********************/
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//! Struct used to store possible CCE locations.
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struct sched_dci_cce_t {
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uint32_t cce_start[4][6]; ///< Stores starting CCE for each aggr level index and CCE location index
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uint32_t nof_loc[4]; ///< Number of possible CCE locations for each aggregation level index
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};
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/// structs to bundle together all the sched arguments, and share them with all the sched sub-components
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class sched_cell_params_t
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{
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struct regs_deleter {
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void operator()(srslte_regs_t* p);
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};
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public:
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bool set_cfg(uint32_t enb_cc_idx_,
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const sched_interface::cell_cfg_t& cfg_,
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const sched_interface::sched_args_t& sched_args);
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// convenience getters
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uint32_t prb_to_rbg(uint32_t nof_prbs) const { return (nof_prbs + (P - 1)) / P; }
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uint32_t nof_prb() const { return cfg.cell.nof_prb; }
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uint32_t enb_cc_idx = 0;
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sched_interface::cell_cfg_t cfg = {};
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const sched_interface::sched_args_t* sched_cfg = nullptr;
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std::unique_ptr<srslte_regs_t, regs_deleter> regs;
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std::array<sched_dci_cce_t, 3> common_locations = {};
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std::array<std::array<sched_dci_cce_t, 10>, 3> rar_locations = {};
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std::array<uint32_t, 3> nof_cce_table = {}; ///< map cfix -> nof cces in PDCCH
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uint32_t P = 0;
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uint32_t nof_rbgs = 0;
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};
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//! Bitmask used for CCE allocations
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using pdcch_mask_t = srslte::bounded_bitset<sched_interface::max_cce, true>;
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//! Bitmask that stores the allocared DL RBGs
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using rbgmask_t = srslte::bounded_bitset<25, true>;
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//! Bitmask that stores the allocated UL PRBs
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using prbmask_t = srslte::bounded_bitset<100, true>;
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//! Struct to express a {min,...,max} range of RBGs
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struct prb_interval;
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struct rbg_interval : public srslte::interval<uint32_t> {
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using interval::interval;
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static rbg_interval rbgmask_to_rbgs(const rbgmask_t& mask);
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};
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//! Struct to express a {min,...,max} range of PRBs
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struct prb_interval : public srslte::interval<uint32_t> {
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using interval::interval;
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static prb_interval rbgs_to_prbs(const rbg_interval& rbgs, uint32_t cell_nof_prb);
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static prb_interval riv_to_prbs(uint32_t riv, uint32_t nof_prbs, int nof_vrbs = -1);
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};
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} // namespace srsenb
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#endif // SRSLTE_SCHED_COMMON_H
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