mirror of https://github.com/pvnis/srsRAN_4G.git
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
79 lines
2.5 KiB
C++
79 lines
2.5 KiB
C++
/**
|
|
* Copyright 2013-2022 Software Radio Systems Limited
|
|
*
|
|
* This file is part of srsRAN.
|
|
*
|
|
* srsRAN 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.
|
|
*
|
|
* srsRAN 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 SRSRAN_DEMUX_NR_H
|
|
#define SRSRAN_DEMUX_NR_H
|
|
|
|
#include "mac_nr_interfaces.h"
|
|
#include "srsran/common/block_queue.h"
|
|
#include "srsran/interfaces/ue_nr_interfaces.h"
|
|
#include "srsran/interfaces/ue_rlc_interfaces.h"
|
|
|
|
namespace srsue {
|
|
|
|
/**
|
|
* @brief Logical Channel Demultiplexing and MAC CE dissassemble according to TS 38.321
|
|
*
|
|
* Currently only SDU handling for SCH PDU processing is implemented.
|
|
* Downlink CE are parsed but not handled.
|
|
*
|
|
* PDUs can be pushed by multiple HARQ processes in parallel.
|
|
* Handling of the PDUs is done from Stack thread which reads the enqueued PDUs
|
|
* from the thread-safe queue.
|
|
*/
|
|
class demux_nr : public demux_interface_harq_nr
|
|
{
|
|
public:
|
|
demux_nr(srslog::basic_logger& logger_);
|
|
~demux_nr();
|
|
|
|
int32_t init(rlc_interface_mac* rlc_, phy_interface_mac_nr* phy_);
|
|
|
|
void process_pdus(); /// Called by MAC to process received PDUs
|
|
|
|
// HARQ interface
|
|
void push_bcch(srsran::unique_byte_buffer_t pdu);
|
|
void push_pdu(srsran::unique_byte_buffer_t pdu, uint32_t tti);
|
|
void push_pdu_temp_crnti(srsran::unique_byte_buffer_t pdu, uint32_t tti);
|
|
uint64_t get_received_crueid();
|
|
|
|
private:
|
|
// internal helpers
|
|
void handle_pdu(srsran::mac_sch_pdu_nr& pdu_buffer, srsran::unique_byte_buffer_t pdu);
|
|
|
|
srslog::basic_logger& logger;
|
|
rlc_interface_mac* rlc = nullptr;
|
|
phy_interface_mac_nr* phy = nullptr;
|
|
|
|
uint64_t received_crueid = 0;
|
|
|
|
///< currently only DCH & BCH PDUs supported (add PCH, etc)
|
|
srsran::block_queue<srsran::unique_byte_buffer_t> pdu_queue;
|
|
srsran::block_queue<srsran::unique_byte_buffer_t> bcch_queue;
|
|
|
|
srsran::mac_sch_pdu_nr rx_pdu;
|
|
srsran::mac_sch_pdu_nr rx_pdu_tcrnti;
|
|
};
|
|
|
|
} // namespace srsue
|
|
|
|
#endif // SRSRAN_DEMUX_NR_H
|