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C++

/**
*
* \section COPYRIGHT
*
* Copyright 2013-2015 Software Radio Systems Limited
*
* \section LICENSE
*
* This file is part of the srsUE library.
*
* 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 SRSUE_UL_HARQ_H
#define SRSUE_UL_HARQ_H
#define Error(fmt, ...) log_h->error(fmt, ##__VA_ARGS__)
#define Warning(fmt, ...) log_h->warning(fmt, ##__VA_ARGS__)
#define Info(fmt, ...) log_h->info(fmt, ##__VA_ARGS__)
#define Debug(fmt, ...) log_h->debug(fmt, ##__VA_ARGS__)
#include "mux.h"
#include "proc_ra.h"
#include "srslte/common/interfaces_common.h"
#include "srslte/common/log.h"
#include "srslte/common/mac_pcap.h"
#include "srslte/common/timers.h"
#include "srslte/interfaces/ue_interfaces.h"
#include "ul_sps.h"
namespace srsue {
class ul_harq_entity {
public:
ul_harq_entity();
bool init(srslte::log* log_h_, mac_interface_rrc_common::ue_rnti_t* rntis_, ra_proc* ra_proc_h_, mux* mux_unit_);
void reset();
void reset_ndi();
void set_config(mac_interface_rrc_common::ul_harq_cfg_t& harq_cfg);
void start_pcap(srslte::mac_pcap* pcap_);
/***************** PHY->MAC interface for UL processes **************************/
void new_grant_ul(mac_interface_phy::mac_grant_ul_t grant, mac_interface_phy::tb_action_ul_t* action);
int get_current_tbs(uint32_t pid);
float get_average_retx();
private:
class ul_harq_process
{
public:
ul_harq_process();
~ul_harq_process();
bool init(uint32_t pid_, ul_harq_entity* parent);
void reset();
void reset_ndi();
uint32_t get_rv();
bool has_grant();
bool get_ndi();
bool is_sps();
uint32_t get_nof_retx();
int get_current_tbs();
// Implements Section 5.4.2.1
void new_grant_ul(mac_interface_phy::mac_grant_ul_t grant, mac_interface_phy::tb_action_ul_t* action);
private:
mac_interface_phy::mac_grant_ul_t cur_grant;
uint32_t pid;
uint32_t current_tx_nb;
uint32_t current_irv;
bool harq_feedback;
bool is_grant_configured;
bool is_initiated;
srslte::log* log_h;
ul_harq_entity* harq_entity;
srslte_softbuffer_tx_t softbuffer;
const static int payload_buffer_len = 128 * 1024;
uint8_t* payload_buffer;
uint8_t* pdu_ptr;
void generate_tx(mac_interface_phy::tb_action_ul_t* action);
void generate_retx(mac_interface_phy::mac_grant_ul_t grant, mac_interface_phy::tb_action_ul_t* action);
void generate_new_tx(mac_interface_phy::mac_grant_ul_t grant, mac_interface_phy::tb_action_ul_t* action);
};
ul_sps ul_sps_assig;
std::vector<ul_harq_process> proc;
mux* mux_unit;
srslte::mac_pcap* pcap;
srslte::log* log_h;
mac_interface_rrc_common::ue_rnti_t* rntis;
mac_interface_rrc_common::ul_harq_cfg_t harq_cfg;
float average_retx;
uint64_t nof_pkts;
ra_proc* ra_procedure;
};
} // namespace srsue
#endif // SRSUE_UL_HARQ_H