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132 lines
4.5 KiB
C++
132 lines
4.5 KiB
C++
/**
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* Copyright 2013-2023 Software Radio Systems Limited
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*
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* This file is part of srsRAN.
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*
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* srsRAN 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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* srsRAN 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 SRSENB_NR_SLOT_WORKER_H
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#define SRSENB_NR_SLOT_WORKER_H
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#include "srsran/common/thread_pool.h"
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#include "srsran/interfaces/gnb_interfaces.h"
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#include "srsran/interfaces/phy_common_interface.h"
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#include "srsran/srslog/srslog.h"
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#include "srsran/srsran.h"
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namespace srsenb {
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namespace nr {
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/**
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* The slot_worker class handles the PHY processing, UL and DL procedures associated with 1 slot.
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*
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* A slot_worker object is executed by a thread within the thread_pool.
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*/
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class slot_worker final : public srsran::thread_pool::worker
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{
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public:
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/**
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* @brief Slot worker synchronization interface
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*/
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class sync_interface
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{
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public:
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/**
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* @brief Wait for the worker to start DL scheduler
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* @param w Worker pointer
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*/
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virtual void wait(slot_worker* w) = 0;
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/**
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* @brief Releases the current worker
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*/
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virtual void release() = 0;
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};
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struct args_t {
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uint32_t cell_index = 0;
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uint32_t nof_max_prb = SRSRAN_MAX_PRB_NR;
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uint32_t nof_tx_ports = 1;
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uint32_t nof_rx_ports = 1;
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uint32_t rf_port = 0;
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srsran_subcarrier_spacing_t scs = srsran_subcarrier_spacing_15kHz;
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uint32_t pusch_max_its = 10;
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float pusch_min_snr_dB = -10.0f;
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double srate_hz = 0.0;
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};
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slot_worker(srsran::phy_common_interface& common_,
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stack_interface_phy_nr& stack_,
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sync_interface& sync_,
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srslog::basic_logger& logger);
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~slot_worker();
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bool init(const args_t& args);
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bool set_common_cfg(const srsran_carrier_nr_t& carrier,
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const srsran_pdcch_cfg_nr_t& pdcch_cfg_,
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const srsran_ssb_cfg_t& ssb_cfg_);
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/* Functions used by main PHY thread */
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cf_t* get_buffer_rx(uint32_t antenna_idx);
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cf_t* get_buffer_tx(uint32_t antenna_idx);
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uint32_t get_buffer_len();
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void set_context(const srsran::phy_common_interface::worker_context_t& w_ctx);
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private:
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/**
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* @brief Inherited from thread_pool::worker. Function called every slot to run the DL/UL processing
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*/
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void work_imp() override;
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/**
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* @brief Retrieves the scheduling results for the UL processing and performs reception
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* @return True if no error occurs, false otherwise
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*/
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bool work_ul();
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/**
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* @brief Retrieves the scheduling results for the DL processing and performs transmission
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* @return True if no error occurs, false otherwise
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*/
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bool work_dl();
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srsran::phy_common_interface& common;
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stack_interface_phy_nr& stack;
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srslog::basic_logger& logger;
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sync_interface& sync;
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uint32_t sf_len = 0;
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uint32_t cell_index = 0;
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uint32_t rf_port = 0;
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srsran_slot_cfg_t dl_slot_cfg = {};
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srsran_slot_cfg_t ul_slot_cfg = {};
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srsran::phy_common_interface::worker_context_t context = {};
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srsran_pdcch_cfg_nr_t pdcch_cfg = {};
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srsran_gnb_dl_t gnb_dl = {};
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srsran_gnb_ul_t gnb_ul = {};
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std::vector<cf_t*> tx_buffer; ///< Baseband transmit buffers
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std::vector<cf_t*> rx_buffer; ///< Baseband receive buffers
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std::mutex mutex; ///< Protect concurrent access from workers (and main process that inits the class)
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};
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} // namespace nr
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} // namespace srsenb
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#endif // SRSENB_NR_PHCH_WORKER_H
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