mirror of https://github.com/PentHertz/srsLTE.git
92 lines
2.7 KiB
C++
92 lines
2.7 KiB
C++
/**
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*
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* \section COPYRIGHT
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*
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* Copyright 2013-2015 Software Radio Systems Limited
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*
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* \section LICENSE
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*
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* This file is part of the srsUE library.
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*
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* srsUE 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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* srsUE 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 PROCBSR_H
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#define PROCBSR_H
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#include <stdint.h>
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#include "srslte/common/log.h"
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#include "srslte/interfaces/ue_interfaces.h"
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#include "srslte/common/timers.h"
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/* Buffer status report procedure */
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namespace srsue {
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class bsr_proc : public srslte::timer_callback, public bsr_interface_mux
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{
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public:
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bsr_proc();
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void init(rlc_interface_mac *rlc, srslte::log *log_h, mac_interface_rrc::mac_cfg_t *mac_cfg, srslte::timers *timers_db);
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void step(uint32_t tti);
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void reset();
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void setup_lcg(uint32_t lcid, uint32_t new_lcg);
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void set_priority(uint32_t lcid, uint32_t priority);
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void timer_expired(uint32_t timer_id);
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uint32_t get_buffer_state();
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bool need_to_send_bsr_on_ul_grant(uint32_t grant_size, bsr_t *bsr);
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bool generate_padding_bsr(uint32_t nof_padding_bytes, bsr_t *bsr);
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bool need_to_send_sr(uint32_t tti);
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bool need_to_reset_sr();
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void set_tx_tti(uint32_t tti);
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private:
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const static int QUEUE_STATUS_PERIOD_MS = 500;
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bool reset_sr;
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mac_interface_rrc::mac_cfg_t *mac_cfg;
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srslte::timers *timers_db;
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srslte::log *log_h;
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rlc_interface_mac *rlc;
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bool initiated;
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const static int MAX_LCID = 6;
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int lcg[MAX_LCID];
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uint32_t last_pending_data[MAX_LCID];
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int priorities[MAX_LCID];
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uint32_t find_max_priority_lcid();
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typedef enum {NONE, REGULAR, PADDING, PERIODIC} triggered_bsr_type_t;
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triggered_bsr_type_t triggered_bsr_type;
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bool sr_is_sent;
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uint32_t last_print;
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uint32_t next_tx_tti;
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void update_pending_data();
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bool check_highest_channel();
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bool check_single_channel();
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bool generate_bsr(bsr_t *bsr, uint32_t nof_padding_bytes);
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char* bsr_type_tostring(triggered_bsr_type_t type);
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char* bsr_format_tostring(bsr_format_t format);
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uint32_t timer_periodic_id;
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uint32_t timer_retx_id;
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};
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} // namespace srsue
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#endif // PROCBSR_H
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