srsLTE/srsenb/hdr/mac/ue.h

151 lines
4.0 KiB
C++

/**
*
* \section COPYRIGHT
*
* Copyright 2013-2017 Software Radio Systems Limited
*
* \section LICENSE
*
* This file is part of srsLTE.
*
* 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 UE_H
#define UE_H
#include "srslte/common/log.h"
#include "srslte/common/pdu.h"
#include "srslte/common/mac_pcap.h"
#include "srslte/common/pdu_queue.h"
#include "srslte/interfaces/enb_interfaces.h"
#include "srslte/interfaces/sched_interface.h"
#include <pthread.h>
#include "mac/mac_metrics.h"
namespace srsenb {
class ue : public srslte::read_pdu_interface,
public srslte::pdu_queue::process_callback
{
public:
ue() : mac_msg_dl(20), mac_msg_ul(20), pdus(128) {
rlc = NULL;
log_h = NULL;
rnti = 0;
pcap = NULL;
nof_failures = 0;
phr_counter = 0;
is_phy_added = false;
for (int i=0;i<NOF_HARQ_PROCESSES;i++) {
pending_buffers[i] = NULL;
}
pthread_mutex_init(&mutex, NULL);
}
virtual ~ue() {
for (int i=0;i<NOF_HARQ_PROCESSES;i++) {
srslte_softbuffer_rx_free(&softbuffer_rx[i]);
srslte_softbuffer_tx_free(&softbuffer_tx[i]);
}
pthread_mutex_destroy(&mutex);
}
void reset();
void start_pcap(srslte::mac_pcap* pcap_);
void set_tti(uint32_t tti);
void config(uint16_t rnti, uint32_t nof_prb, sched_interface *sched, rrc_interface_mac *rrc_, rlc_interface_mac *rlc, srslte::log *log_h);
uint8_t* generate_pdu(sched_interface::dl_sched_pdu_t pdu[sched_interface::MAX_RLC_PDU_LIST],
uint32_t nof_pdu_elems, uint32_t grant_size);
srslte_softbuffer_tx_t* get_tx_softbuffer(uint32_t harq_process);
srslte_softbuffer_rx_t* get_rx_softbuffer(uint32_t tti);
bool process_pdus();
uint8_t *request_buffer(uint32_t tti, uint32_t len);
void process_pdu(uint8_t *pdu, uint32_t nof_bytes, uint32_t tstamp);
void push_pdu(uint32_t tti, uint32_t len);
void deallocate_pdu(uint32_t tti);
uint32_t rl_failure();
void rl_failure_reset();
void set_lcg(uint32_t lcid, uint32_t lcg);
void metrics_read(srsenb::mac_metrics_t* metrics);
void metrics_rx(bool crc, uint32_t tbs);
void metrics_tx(bool crc, uint32_t tbs);
bool is_phy_added;
private:
int read_pdu(uint32_t lcid, uint8_t *payload, uint32_t requested_bytes);
void allocate_sdu(srslte::sch_pdu *pdu, uint32_t lcid, uint32_t sdu_len);
bool process_ce(srslte::sch_subh *subh);
void allocate_ce(srslte::sch_pdu *pdu, uint32_t lcid);
void metrics_phr(float phr);
uint32_t phr_counter;
std::vector<uint32_t> lc_groups[4];
mac_metrics_t metrics;
srslte::mac_pcap* pcap;
uint64_t conres_id;
uint16_t rnti;
uint32_t last_tti;
uint32_t nof_failures;
const static int NOF_HARQ_PROCESSES = 8;
srslte_softbuffer_tx_t softbuffer_tx[NOF_HARQ_PROCESSES];
srslte_softbuffer_rx_t softbuffer_rx[NOF_HARQ_PROCESSES];
uint8_t *pending_buffers[NOF_HARQ_PROCESSES];
// For DL there is a single buffer
const static int payload_buffer_len = 128*1024;
uint8_t tx_payload_buffer[payload_buffer_len];
// For UL there are multiple buffers per PID and are managed by pdu_queue
srslte::pdu_queue pdus;
srslte::sch_pdu mac_msg_dl, mac_msg_ul;
rlc_interface_mac *rlc;
rrc_interface_mac* rrc;
srslte::log *log_h;
sched_interface* sched;
bool conres_id_available;
// Mutexes
pthread_mutex_t mutex;
};
}
#endif