mirror of https://github.com/PentHertz/srsLTE.git
177 lines
5.0 KiB
C++
177 lines
5.0 KiB
C++
/**
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*
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* \section COPYRIGHT
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*
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* Copyright 2013-2017 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 srsLTE.
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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 SRSENB_PHCH_COMMON_H
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#define SRSENB_PHCH_COMMON_H
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#include <map>
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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/common/gen_mch_tables.h"
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#include "srslte/common/log.h"
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#include "srslte/common/threads.h"
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#include "srslte/common/thread_pool.h"
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#include "srslte/radio/radio.h"
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#include <string.h>
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namespace srsenb {
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typedef struct {
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float max_prach_offset_us;
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int pusch_max_its;
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float tx_amplitude;
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int nof_phy_threads;
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std::string equalizer_mode;
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float estimator_fil_w;
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bool pregenerate_signals;
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} phy_args_t;
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typedef enum{
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SUBFRAME_TYPE_REGULAR = 0,
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SUBFRAME_TYPE_MBSFN,
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SUBFRAME_TYPE_N_ITEMS,
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} subframe_type_t;
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static const char subframe_type_text[SUBFRAME_TYPE_N_ITEMS][20] = {"Regular", "MBSFN"};
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/* Subframe config */
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typedef struct {
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subframe_type_t sf_type;
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uint8_t mbsfn_area_id;
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uint8_t non_mbsfn_region_length;
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uint8_t mbsfn_mcs;
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bool mbsfn_encode;
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bool is_mcch;
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} subframe_cfg_t;
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class phch_common
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{
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public:
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phch_common(uint32_t max_mutex_) : tx_mutex(max_mutex_) {
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nof_mutex = 0;
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max_mutex = max_mutex_;
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params.max_prach_offset_us = 20;
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radio = NULL;
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mac = NULL;
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is_first_tx = false;
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is_first_of_burst = false;
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pdsch_p_b = 0;
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nof_workers = 0;
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bzero(&pusch_cfg, sizeof(pusch_cfg));
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bzero(&hopping_cfg, sizeof(hopping_cfg));
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bzero(&pucch_cfg, sizeof(pucch_cfg));
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bzero(&ul_grants, sizeof(ul_grants));
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}
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bool init(srslte_cell_t *cell, srslte::radio *radio_handler, mac_interface_phy *mac);
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void reset();
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void stop();
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void set_nof_mutex(uint32_t nof_mutex);
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void 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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srslte_cell_t cell;
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srslte_refsignal_dmrs_pusch_cfg_t pusch_cfg;
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srslte_pusch_hopping_cfg_t hopping_cfg;
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srslte_pucch_cfg_t pucch_cfg;
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uint8_t pdsch_p_b;
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phy_args_t params;
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srslte::radio *radio;
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mac_interface_phy *mac;
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// Common objects for schedulign grants
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mac_interface_phy::ul_sched_t ul_grants[TTIMOD_SZ];
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mac_interface_phy::dl_sched_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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public:
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pending_ack_t pending_ack;
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uint8_t ri;
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int last_ul_tbs[2*HARQ_DELAY_MS];
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srslte_mod_t last_ul_mod[2*HARQ_DELAY_MS];
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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 sf_idx);
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void ue_db_set_ack_pending(uint32_t sf_idx, uint16_t rnti, uint32_t tb_idx, uint32_t n_pdcch);
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bool ue_db_is_ack_pending(uint32_t sf_idx, uint16_t rnti, uint32_t tb_idx, uint32_t *last_n_pdcch = NULL);
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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_mod(uint16_t rnti, uint32_t tti, srslte_mod_t mcs);
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srslte_mod_t ue_db_get_last_ul_mod(uint16_t rnti, uint32_t tti);
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void ue_db_set_last_ul_tbs(uint16_t rnti, uint32_t tti, int tbs);
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int ue_db_get_last_ul_tbs(uint16_t rnti, uint32_t tti);
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void configure_mbsfn(phy_interface_rrc::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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void get_sf_config(subframe_cfg_t *cfg, uint32_t phy_tti);
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private:
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std::vector<pthread_mutex_t> tx_mutex;
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bool is_first_tx;
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bool is_first_of_burst;
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uint32_t nof_workers;
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uint32_t nof_mutex;
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uint32_t max_mutex;
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pthread_mutex_t user_mutex;
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phy_interface_rrc::phy_cfg_mbsfn_t mbsfn;
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bool sib13_configured;
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bool mcch_configured;
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uint8_t mch_table[40];
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uint8_t mcch_table[10];
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uint8_t mch_sf_idx_lut[10];
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bool is_mch_subframe(subframe_cfg_t *cfg, uint32_t phy_tti);
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bool is_mcch_subframe(subframe_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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