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143 lines
3.8 KiB
C++
143 lines
3.8 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 UE_H
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#define UE_H
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#include "srslte/common/log.h"
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#include "srslte/common/pdu.h"
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#include "srslte/common/mac_pcap.h"
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#include "srslte/common/pdu_queue.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 <pthread.h>
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#include "mac/mac_metrics.h"
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namespace srsenb {
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class ue : public srslte::read_pdu_interface,
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public srslte::pdu_queue::process_callback
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{
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public:
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ue() : mac_msg_dl(20), mac_msg_ul(20), pdus(128) {
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rlc = NULL;
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log_h = NULL;
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rnti = 0;
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pcap = NULL;
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nof_failures = 0;
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phr_counter = 0;
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is_phy_added = false;
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for (int i=0;i<NOF_HARQ_PROCESSES;i++) {
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pending_buffers[i] = NULL;
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}
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pthread_mutex_init(&mutex, NULL);
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}
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virtual ~ue() {
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pthread_mutex_destroy(&mutex);
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}
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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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void config(uint16_t rnti, uint32_t nof_prb, sched_interface *sched, rrc_interface_mac *rrc_, rlc_interface_mac *rlc, srslte::log *log_h);
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uint8_t* generate_pdu(sched_interface::dl_sched_pdu_t pdu[sched_interface::MAX_RLC_PDU_LIST],
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uint32_t nof_pdu_elems, uint32_t grant_size);
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srslte_softbuffer_tx_t* get_tx_softbuffer(uint32_t harq_process);
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srslte_softbuffer_rx_t* get_rx_softbuffer(uint32_t tti);
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bool process_pdus();
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uint8_t *request_buffer(uint32_t tti, uint32_t len);
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void process_pdu(uint8_t *pdu, uint32_t nof_bytes, uint32_t tstamp);
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void push_pdu(uint32_t tti, uint32_t len);
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void deallocate_pdu(uint32_t tti);
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uint32_t rl_failure();
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void rl_failure_reset();
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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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bool is_phy_added;
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private:
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int read_pdu(uint32_t lcid, uint8_t *payload, uint32_t requested_bytes);
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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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void metrics_phr(float phr);
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uint32_t phr_counter;
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mac_metrics_t metrics;
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srslte::mac_pcap* pcap;
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uint64_t conres_id;
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uint16_t rnti;
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uint32_t last_tti;
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uint32_t nof_failures;
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const static int NOF_HARQ_PROCESSES = 8;
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srslte_softbuffer_tx_t softbuffer_tx[NOF_HARQ_PROCESSES];
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srslte_softbuffer_rx_t softbuffer_rx[NOF_HARQ_PROCESSES];
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uint8_t *pending_buffers[NOF_HARQ_PROCESSES];
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// For DL there is a single buffer
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const static int payload_buffer_len = 128*1024;
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uint8_t tx_payload_buffer[payload_buffer_len];
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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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rlc_interface_mac *rlc;
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rrc_interface_mac* rrc;
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srslte::log *log_h;
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sched_interface* sched;
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bool conres_id_available;
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// Mutexes
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pthread_mutex_t mutex;
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};
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}
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#endif
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