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C++

/**
*
* \section COPYRIGHT
*
* Copyright 2013-2017 Software Radio Systems Limited
*
* \section LICENSE
*
* This file is part of srsLTE.
*
* srsUE is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of
* the License, or (at your option) any later version.
*
* srsUE is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* A copy of the GNU Affero General Public License can be found in
* the LICENSE file in the top-level directory of this distribution
* and at http://www.gnu.org/licenses/.
*
*/
#ifndef ENBPHCHCOMMON_H
#define ENBPHCHCOMMON_H
#include <map>
#include "srslte/interfaces/enb_interfaces.h"
#include "srslte/interfaces/enb_metrics_interface.h"
#include "srslte/common/log.h"
#include "srslte/common/threads.h"
#include "srslte/common/thread_pool.h"
#include "srslte/radio/radio.h"
namespace srsenb {
typedef struct {
float max_prach_offset_us;
int pusch_max_its;
float tx_amplitude;
int nof_phy_threads;
std::string equalizer_mode;
float estimator_fil_w;
bool pregenerate_signals;
} phy_args_t;
class phch_common
{
public:
phch_common(uint32_t max_mutex_) : tx_mutex(max_mutex_) {
nof_mutex = 0;
max_mutex = max_mutex_;
params.max_prach_offset_us = 20;
}
bool init(srslte_cell_t *cell, srslte::radio *radio_handler, mac_interface_phy *mac);
void reset();
void stop();
void set_nof_mutex(uint32_t nof_mutex);
void worker_end(uint32_t tx_mutex_cnt, cf_t *buffer[SRSLTE_MAX_PORTS], uint32_t nof_samples, srslte_timestamp_t tx_time);
// Common objects
srslte_cell_t cell;
srslte_refsignal_dmrs_pusch_cfg_t pusch_cfg;
srslte_pusch_hopping_cfg_t hopping_cfg;
srslte_pucch_cfg_t pucch_cfg;
phy_args_t params;
srslte::radio *radio;
mac_interface_phy *mac;
// Common objects for schedulign grants
mac_interface_phy::ul_sched_t ul_grants[TTIMOD_SZ];
mac_interface_phy::dl_sched_t dl_grants[TTIMOD_SZ];
// Map of pending ACKs for each user
typedef struct {
bool is_pending[TTIMOD_SZ][SRSLTE_MAX_TB];
uint16_t n_pdcch[TTIMOD_SZ];
} pending_ack_t;
std::map<uint16_t,pending_ack_t> pending_ack;
void ack_add_rnti(uint16_t rnti);
void ack_rem_rnti(uint16_t rnti);
void ack_clear(uint32_t sf_idx);
void ack_set_pending(uint32_t sf_idx, uint16_t rnti, uint32_t tb_idx, uint32_t n_pdcch);
bool ack_is_pending(uint32_t sf_idx, uint16_t rnti, uint32_t tb_idx, uint32_t *last_n_pdcch = NULL);
private:
std::vector<pthread_mutex_t> tx_mutex;
bool is_first_tx;
bool is_first_of_burst;
uint32_t nof_workers;
uint32_t nof_mutex;
uint32_t max_mutex;
};
} // namespace srsenb
#endif // UEPHY_H