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166 lines
6.2 KiB
C++
166 lines
6.2 KiB
C++
/*
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* Copyright 2013-2020 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 SRSENB_UE_H
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#define SRSENB_UE_H
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#include "mac_metrics.h"
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#include "srslte/common/block_queue.h"
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#include "srslte/common/log.h"
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#include "srslte/common/mac_pcap.h"
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#include "srslte/interfaces/enb_interfaces.h"
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#include "srslte/interfaces/sched_interface.h"
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#include "srslte/mac/pdu.h"
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#include "srslte/mac/pdu_queue.h"
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#include "ta.h"
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#include <pthread.h>
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#include <vector>
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namespace srsenb {
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class ue : public srslte::read_pdu_interface, public srslte::pdu_queue::process_callback, public mac_ta_ue_interface
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{
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public:
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ue(uint16_t rnti,
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uint32_t nof_prb,
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sched_interface* sched,
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rrc_interface_mac* rrc_,
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rlc_interface_mac* rlc,
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phy_interface_stack_lte* phy_,
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srslte::log_ref log_,
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uint32_t nof_cells_,
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uint32_t nof_rx_harq_proc = SRSLTE_FDD_NOF_HARQ,
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uint32_t nof_tx_harq_proc = SRSLTE_FDD_NOF_HARQ * SRSLTE_MAX_TB);
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virtual ~ue();
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void reset();
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void start_pcap(srslte::mac_pcap* pcap_);
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void set_tti(uint32_t tti);
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uint32_t set_ta(int ta) override;
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void start_ta() { ta_fsm.start(); };
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uint32_t set_ta_us(float ta_us) { return ta_fsm.push_value(ta_us); };
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uint32_t tick_ta_fsm() { return ta_fsm.tick(); };
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uint8_t* generate_pdu(uint32_t ue_cc_idx,
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uint32_t harq_pid,
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uint32_t tb_idx,
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sched_interface::dl_sched_pdu_t pdu[sched_interface::MAX_RLC_PDU_LIST],
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uint32_t nof_pdu_elems,
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uint32_t grant_size);
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uint8_t*
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generate_mch_pdu(uint32_t harq_pid, sched_interface::dl_pdu_mch_t sched, uint32_t nof_pdu_elems, uint32_t grant_size);
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srslte_softbuffer_tx_t*
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get_tx_softbuffer(const uint32_t ue_cc_idx, const uint32_t harq_process, const uint32_t tb_idx);
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srslte_softbuffer_rx_t* get_rx_softbuffer(const uint32_t ue_cc_idx, const uint32_t tti);
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bool process_pdus();
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uint8_t* request_buffer(const uint32_t ue_cc_idx, const uint32_t tti, const uint32_t len);
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void process_pdu(uint8_t* pdu, uint32_t nof_bytes, srslte::pdu_queue::channel_t channel) override;
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void push_pdu(const uint32_t ue_cc_idx, const uint32_t tti, uint32_t len);
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void deallocate_pdu(const uint32_t ue_cc_idx, const uint32_t tti);
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uint32_t rl_failure();
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void rl_failure_reset();
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void set_lcg(uint32_t lcid, uint32_t lcg);
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void metrics_read(srsenb::mac_metrics_t* metrics);
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void metrics_rx(bool crc, uint32_t tbs);
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void metrics_tx(bool crc, uint32_t tbs);
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void metrics_phr(float phr);
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void metrics_dl_ri(uint32_t dl_cqi);
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void metrics_dl_pmi(uint32_t dl_cqi);
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void metrics_dl_cqi(uint32_t dl_cqi);
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void metrics_cnt();
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bool is_phy_added = false;
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int read_pdu(uint32_t lcid, uint8_t* payload, uint32_t requested_bytes) final;
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private:
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uint32_t allocate_cc_buffers(const uint32_t num_cc = 1); ///< Add and initialize softbuffers for CC
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void allocate_sdu(srslte::sch_pdu* pdu, uint32_t lcid, uint32_t sdu_len);
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bool process_ce(srslte::sch_subh* subh);
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void allocate_ce(srslte::sch_pdu* pdu, uint32_t lcid);
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std::vector<uint32_t> lc_groups[4];
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uint32_t phr_counter = 0;
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uint32_t dl_cqi_counter = 0;
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uint32_t dl_ri_counter = 0;
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uint32_t dl_pmi_counter = 0;
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mac_metrics_t metrics = {};
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srslte::mac_pcap* pcap = nullptr;
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uint64_t conres_id = 0;
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uint16_t rnti = 0;
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uint32_t nof_prb = 0;
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uint32_t last_tti = 0;
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uint32_t nof_failures = 0;
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int nof_rx_harq_proc = 0;
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int nof_tx_harq_proc = 0;
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typedef std::vector<srslte_softbuffer_tx_t>
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cc_softbuffer_tx_list_t; ///< List of Tx softbuffers for all HARQ processes of one carrier
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std::vector<cc_softbuffer_tx_list_t> softbuffer_tx; ///< List of softbuffer lists for Tx
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typedef std::vector<srslte_softbuffer_rx_t>
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cc_softbuffer_rx_list_t; ///< List of Rx softbuffers for all HARQ processes of one carrier
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std::vector<cc_softbuffer_rx_list_t> softbuffer_rx; ///< List of softbuffer lists for Rx
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typedef std::vector<uint8_t*> cc_buffer_ptr_t; ///< List of buffer pointers for RX HARQ processes of one carrier
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std::vector<cc_buffer_ptr_t> pending_buffers; ///< List of buffer pointer list for Rx
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// One buffer per TB per HARQ process and per carrier is needed for each UE.
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std::vector<std::array<std::array<srslte::unique_byte_buffer_t, SRSLTE_MAX_TB>, SRSLTE_FDD_NOF_HARQ> >
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tx_payload_buffer;
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srslte::block_queue<uint32_t> pending_ta_commands;
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ta ta_fsm;
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// For UL there are multiple buffers per PID and are managed by pdu_queue
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srslte::pdu_queue pdus;
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srslte::sch_pdu mac_msg_dl, mac_msg_ul;
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srslte::mch_pdu mch_mac_msg_dl;
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rlc_interface_mac* rlc = nullptr;
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rrc_interface_mac* rrc = nullptr;
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phy_interface_stack_lte* phy = nullptr;
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srslte::log_ref log_h;
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sched_interface* sched = nullptr;
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bool conres_id_available = false;
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// Mutexes
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std::mutex mutex;
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const uint8_t UL_CC_IDX = 0; ///< Passed to write CC index in PCAP (TODO: use actual CC idx)
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};
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} // namespace srsenb
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#endif // SRSENB_UE_H
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