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249 lines
7.8 KiB
C++
249 lines
7.8 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 SRSUE_PHCH_COMMON_H
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#define SRSUE_PHCH_COMMON_H
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#define TX_MODE_CONTINUOUS 1
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#include "phy_metrics.h"
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#include "srslte/common/gen_mch_tables.h"
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#include "srslte/common/log.h"
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#include "srslte/interfaces/common_interfaces.h"
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#include "srslte/interfaces/ue_interfaces.h"
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#include "srslte/radio/radio.h"
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#include "srslte/srslte.h"
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#include <pthread.h>
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#include <semaphore.h>
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#include <string.h>
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#include <vector>
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namespace srsue {
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class chest_feedback_itf
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{
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public:
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virtual void in_sync() = 0;
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virtual void out_of_sync() = 0;
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virtual void set_cfo(float cfo) = 0;
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};
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/* Subclass that manages variables common to all workers */
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class phy_common
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{
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public:
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/* Common variables used by all phy workers */
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phy_args_t* args;
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stack_interface_phy_lte* stack;
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phy_interface_rrc_lte::phy_cfg_mbsfn_t mbsfn_config;
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/* Power control variables */
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float pathloss[SRSLTE_MAX_CARRIERS];
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float cur_pathloss;
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float p0_preamble;
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float cur_radio_power;
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float cur_pusch_power;
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float avg_rsrp[SRSLTE_MAX_CARRIERS];
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float avg_rsrp_dbm[SRSLTE_MAX_CARRIERS];
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float avg_rsrq_db;
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float avg_rssi_dbm;
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float rx_gain_offset;
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float avg_snr_db_cqi[SRSLTE_MAX_CARRIERS];
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float avg_snr_db_sync;
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float avg_noise[SRSLTE_MAX_CARRIERS];
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bool pcell_meas_enabled;
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uint32_t pcell_report_period;
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bool pcell_first_measurement;
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// SCell EARFCN, PCI, configured and enabled list
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typedef struct {
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uint32_t earfcn = 0;
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uint32_t pci = 0;
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bool configured = false;
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bool enabled = false;
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} scell_cfg_t;
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scell_cfg_t scell_cfg[SRSLTE_MAX_CARRIERS];
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// Save last TBS for uplink (mcs >= 28)
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srslte_ra_tb_t last_ul_tb[SRSLTE_MAX_HARQ_PROC][SRSLTE_MAX_CARRIERS];
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// Save last TBS for DL (Format1C)
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int last_dl_tbs[SRSLTE_MAX_HARQ_PROC][SRSLTE_MAX_CARRIERS][SRSLTE_MAX_CODEWORDS];
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phy_common(uint32_t max_workers);
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~phy_common();
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void init(phy_args_t* args, srslte::log* _log, srslte::radio_interface_phy* _radio, stack_interface_phy_lte* _stack);
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uint32_t ul_pidof(uint32_t tti, srslte_tdd_config_t* tdd_config);
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// Set configurations for lib objects
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void set_ue_dl_cfg(srslte_ue_dl_cfg_t* ue_dl_cfg);
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void set_ue_ul_cfg(srslte_ue_ul_cfg_t* ue_ul_cfg);
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void set_pdsch_cfg(srslte_pdsch_cfg_t* pdsch_cfg);
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void set_rar_grant(uint8_t grant_payload[SRSLTE_RAR_GRANT_LEN], uint16_t rnti, srslte_tdd_config_t tdd_config);
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void set_ul_pending_ack(srslte_ul_sf_cfg_t* sf,
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uint32_t cc_idx,
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srslte_phich_grant_t phich_grant,
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srslte_dci_ul_t* dci_ul);
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bool get_ul_pending_ack(srslte_dl_sf_cfg_t* sf,
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uint32_t cc_idx,
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srslte_phich_grant_t* phich_grant,
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srslte_dci_ul_t* dci_ul);
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bool is_any_ul_pending_ack();
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bool get_ul_received_ack(srslte_ul_sf_cfg_t* sf, uint32_t cc_idx, bool* ack_value, srslte_dci_ul_t* dci_ul);
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void set_ul_received_ack(
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srslte_dl_sf_cfg_t* sf, uint32_t cc_idx, bool ack_value, uint32_t I_phich, srslte_dci_ul_t* dci_ul);
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void set_ul_pending_grant(srslte_dl_sf_cfg_t* sf, uint32_t cc_idx, srslte_dci_ul_t* dci);
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bool get_ul_pending_grant(srslte_ul_sf_cfg_t* sf, uint32_t cc_idx, uint32_t* pid, srslte_dci_ul_t* dci);
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void set_rar_grant_tti(uint32_t tti);
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void set_dl_pending_ack(srslte_dl_sf_cfg_t* sf,
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uint32_t cc_idx,
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uint8_t value[SRSLTE_MAX_CODEWORDS],
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srslte_pdsch_ack_resource_t resource);
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bool get_dl_pending_ack(srslte_ul_sf_cfg_t* sf, uint32_t cc_idx, srslte_pdsch_ack_cc_t* ack);
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void worker_end(uint32_t tti,
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bool tx_enable,
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cf_t* buffer[SRSLTE_MAX_RADIOS][SRSLTE_MAX_PORTS],
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uint32_t nof_samples[SRSLTE_MAX_RADIOS],
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srslte_timestamp_t tx_time[SRSLTE_MAX_RADIOS]);
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void set_nof_workers(uint32_t nof_workers);
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bool sr_enabled;
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int sr_last_tx_tti;
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srslte::radio_interface_phy* get_radio();
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void set_cell(const srslte_cell_t& c);
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uint32_t get_nof_prb();
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void set_dl_metrics(const dl_metrics_t m, uint32_t cc_idx);
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void get_dl_metrics(dl_metrics_t m[SRSLTE_MAX_CARRIERS]);
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void set_ul_metrics(const ul_metrics_t m, uint32_t cc_idx);
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void get_ul_metrics(ul_metrics_t m[SRSLTE_MAX_CARRIERS]);
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void set_sync_metrics(const uint32_t& cc_idx, const sync_metrics_t& m);
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void get_sync_metrics(sync_metrics_t m[SRSLTE_MAX_CARRIERS]);
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void reset();
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void reset_radio();
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/* SCell Management */
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void enable_scell(uint32_t cc_idx, bool enable);
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void build_mch_table();
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void build_mcch_table();
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void set_mcch();
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bool is_mbsfn_sf(srslte_mbsfn_cfg_t* cfg, uint32_t tti);
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void set_mch_period_stop(uint32_t stop);
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private:
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bool have_mtch_stop;
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pthread_mutex_t mtch_mutex;
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pthread_cond_t mtch_cvar;
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std::vector<sem_t> tx_sem;
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uint32_t nof_workers;
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uint32_t max_workers;
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bool is_first_of_burst[SRSLTE_MAX_RADIOS];
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srslte::radio_interface_phy* radio_h;
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float cfo;
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srslte::log* log_h;
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srslte::channel_ptr ul_channel = nullptr;
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int rar_grant_tti;
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typedef struct {
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bool enable;
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srslte_phich_grant_t phich_grant;
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srslte_dci_ul_t dci_ul;
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} pending_ul_ack_t;
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pending_ul_ack_t pending_ul_ack[TTIMOD_SZ][SRSLTE_MAX_CARRIERS][2];
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pthread_mutex_t pending_ul_ack_mutex;
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typedef struct {
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bool hi_value;
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bool hi_present;
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srslte_dci_ul_t dci_ul;
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} received_ul_ack_t;
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received_ul_ack_t received_ul_ack[TTIMOD_SZ][SRSLTE_MAX_CARRIERS];
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pthread_mutex_t received_ul_ack_mutex;
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typedef struct {
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bool enable;
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uint32_t pid;
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srslte_dci_ul_t dci;
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} pending_ul_grant_t;
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pending_ul_grant_t pending_ul_grant[TTIMOD_SZ][SRSLTE_MAX_CARRIERS];
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pthread_mutex_t pending_ul_grant_mutex;
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typedef struct {
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bool enable;
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uint8_t value[SRSLTE_MAX_CODEWORDS]; // 0/1 or 2 for DTX
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srslte_pdsch_ack_resource_t resource;
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} received_ack_t;
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received_ack_t pending_dl_ack[TTIMOD_SZ][SRSLTE_MAX_CARRIERS];
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uint32_t pending_dl_dai[TTIMOD_SZ][SRSLTE_MAX_CARRIERS];
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pthread_mutex_t pending_dl_ack_mutex;
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bool is_first_tx;
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srslte_cell_t cell;
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dl_metrics_t dl_metrics[SRSLTE_MAX_CARRIERS];
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uint32_t dl_metrics_count;
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bool dl_metrics_read;
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ul_metrics_t ul_metrics[SRSLTE_MAX_CARRIERS];
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uint32_t ul_metrics_count;
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bool ul_metrics_read;
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sync_metrics_t sync_metrics[SRSLTE_MAX_CARRIERS];
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uint32_t sync_metrics_count;
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bool sync_metrics_read;
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// MBSFN
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bool sib13_configured;
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bool mcch_configured;
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uint32_t mch_period_stop;
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uint8_t mch_table[40];
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uint8_t mcch_table[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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};
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} // namespace srsue
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#endif // SRSUE_PDCH_COMMON_H
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