mirror of https://github.com/PentHertz/srsLTE.git
197 lines
5.7 KiB
C++
197 lines
5.7 KiB
C++
/*
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* Copyright 2013-2019 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 SRSENB_PHCH_COMMON_H
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#define SRSENB_PHCH_COMMON_H
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#include "phy_interfaces.h"
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#include "srslte/common/gen_mch_tables.h"
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#include "srslte/common/interfaces_common.h"
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#include "srslte/common/log.h"
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#include "srslte/common/thread_pool.h"
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#include "srslte/common/threads.h"
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#include "srslte/interfaces/common_interfaces.h"
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#include "srslte/interfaces/enb_interfaces.h"
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#include "srslte/interfaces/enb_metrics_interface.h"
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#include "srslte/phy/channel/channel.h"
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#include "srslte/radio/radio.h"
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#include <map>
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#include <semaphore.h>
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#include <string.h>
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namespace srsenb {
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class phy_common
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{
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public:
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phy_common(uint32_t nof_workers);
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~phy_common();
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void set_nof_workers(uint32_t nof_workers);
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bool
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init(const phy_cell_cfg_list_t& cell_list_, srslte::radio_interface_phy* radio_handler, stack_interface_phy_lte* mac);
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void reset();
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void stop();
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void
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worker_end(uint32_t tx_mutex_cnt, cf_t* buffer[SRSLTE_MAX_PORTS], uint32_t nof_samples, srslte_timestamp_t tx_time);
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// Common objects
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phy_args_t params = {};
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uint32_t get_nof_carriers() { return static_cast<uint32_t>(cell_list.size()); };
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uint32_t get_nof_prb(uint32_t cc_idx)
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{
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uint32_t ret = 0;
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if (cc_idx < cell_list.size()) {
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ret = cell_list[cc_idx].cell.nof_prb;
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}
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return ret;
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};
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uint32_t get_nof_ports(uint32_t cc_idx)
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{
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uint32_t ret = 0;
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if (cc_idx < cell_list.size()) {
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ret = cell_list[cc_idx].cell.nof_ports;
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}
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return ret;
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};
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float get_ul_freq_hz(uint32_t cc_idx)
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{
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float ret = 0.0f;
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if (cc_idx < cell_list.size()) {
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ret = cell_list[cc_idx].ul_freq_hz;
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}
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return ret;
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};
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float get_dl_freq_hz(uint32_t cc_idx)
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{
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float ret = 0.0f;
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if (cc_idx < cell_list.size()) {
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ret = cell_list[cc_idx].dl_freq_hz;
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}
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return ret;
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};
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uint32_t get_rf_port(uint32_t cc_idx)
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{
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uint32_t ret = 0;
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if (cc_idx < cell_list.size()) {
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ret = cell_list[cc_idx].rf_port;
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}
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return ret;
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};
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srslte_cell_t get_cell(uint32_t cc_idx)
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{
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srslte_cell_t c = {};
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if (cc_idx < cell_list.size()) {
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c = cell_list[cc_idx].cell;
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}
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return c;
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};
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// Physical Uplink Config common
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srslte_ul_cfg_t ul_cfg_com = {};
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// Physical Downlink Config common
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srslte_dl_cfg_t dl_cfg_com = {};
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srslte::radio_interface_phy* radio = nullptr;
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stack_interface_phy_lte* stack = nullptr;
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srslte::channel_ptr dl_channel = nullptr;
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// Common objects for schedulign grants
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stack_interface_phy_lte::ul_sched_list_t ul_grants[TTIMOD_SZ] = {};
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stack_interface_phy_lte::dl_sched_list_t dl_grants[TTIMOD_SZ] = {};
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// Map of pending ACKs for each user
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typedef struct {
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bool is_pending[TTIMOD_SZ][SRSLTE_MAX_TB];
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uint16_t n_pdcch[TTIMOD_SZ];
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} pending_ack_t;
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class common_ue
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{
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public:
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pending_ack_t pending_ack = {};
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uint8_t ri = 0;
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srslte_ra_tb_t last_tb[SRSLTE_MAX_HARQ_PROC] = {};
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};
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std::map<uint16_t, common_ue> common_ue_db;
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void ue_db_add_rnti(uint16_t rnti);
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void ue_db_rem_rnti(uint16_t rnti);
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void ue_db_clear(uint32_t tti);
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void ue_db_set_ack_pending(uint32_t tti, uint16_t rnti, uint32_t tb_idx, uint32_t n_pdcch);
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bool ue_db_is_ack_pending(uint32_t tti, uint16_t rnti, uint32_t tb_idx, uint32_t* last_n_pdcch = nullptr);
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void ue_db_set_ri(uint16_t rnti, uint8_t ri);
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uint8_t ue_db_get_ri(uint16_t rnti);
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void ue_db_set_last_ul_tb(uint16_t rnti, uint32_t pid, srslte_ra_tb_t tb);
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srslte_ra_tb_t ue_db_get_last_ul_tb(uint16_t rnti, uint32_t pid);
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void configure_mbsfn(phy_interface_stack_lte::phy_cfg_mbsfn_t* cfg);
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void build_mch_table();
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void build_mcch_table();
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bool is_mbsfn_sf(srslte_mbsfn_cfg_t* cfg, uint32_t phy_tti);
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void set_mch_period_stop(uint32_t stop);
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private:
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phy_cell_cfg_list_t cell_list;
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std::vector<sem_t> tx_sem;
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bool is_first_tx = false;
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uint32_t nof_workers = 0;
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uint32_t max_workers = 0;
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std::mutex user_mutex = {};
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bool have_mtch_stop = false;
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pthread_mutex_t mtch_mutex = {};
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pthread_cond_t mtch_cvar = {};
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phy_interface_stack_lte::phy_cfg_mbsfn_t mbsfn = {};
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bool sib13_configured = false;
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bool mcch_configured = false;
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uint8_t mch_table[40] = {};
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uint8_t mcch_table[10] = {};
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uint32_t mch_period_stop = 0;
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uint8_t mch_sf_idx_lut[10] = {};
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bool is_mch_subframe(srslte_mbsfn_cfg_t* cfg, uint32_t phy_tti);
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bool is_mcch_subframe(srslte_mbsfn_cfg_t* cfg, uint32_t phy_tti);
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void add_rnti(uint16_t rnti);
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};
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} // namespace srsenb
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#endif // SRSENB_PHCH_COMMON_H
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