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.
99 lines
3.2 KiB
C++
99 lines
3.2 KiB
C++
/*
|
|
* Copyright 2013-2020 Software Radio Systems Limited
|
|
*
|
|
* This file is part of srsLTE.
|
|
*
|
|
* srsLTE 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.
|
|
*
|
|
* srsLTE 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 SRSUE_DEMUX_H
|
|
#define SRSUE_DEMUX_H
|
|
|
|
#include "srslte/common/log.h"
|
|
#include "srslte/common/timers.h"
|
|
#include "srslte/interfaces/ue_interfaces.h"
|
|
#include "srslte/mac/pdu.h"
|
|
#include "srslte/mac/pdu_queue.h"
|
|
|
|
/* Logical Channel Demultiplexing and MAC CE dissassemble */
|
|
|
|
namespace srsue {
|
|
|
|
class mac_interface_demux
|
|
{
|
|
public:
|
|
virtual void reset_harq(uint32_t cc_idx) = 0;
|
|
virtual bool contention_resolution_id_rcv(uint64_t id) = 0;
|
|
};
|
|
|
|
class demux : public srslte::pdu_queue::process_callback
|
|
{
|
|
public:
|
|
demux(srslte::log_ref log_h_);
|
|
void init(phy_interface_mac_common* phy_h_,
|
|
rlc_interface_mac* rlc,
|
|
mac_interface_demux* mac,
|
|
srslte::timer_handler::unique_timer* time_alignment_timer);
|
|
void reset();
|
|
|
|
bool process_pdus();
|
|
uint8_t* request_buffer(uint32_t len);
|
|
uint8_t* request_buffer_bcch(uint32_t len);
|
|
void deallocate(uint8_t* payload_buffer_ptr);
|
|
|
|
void push_pdu(uint8_t* buff, uint32_t nof_bytes, uint32_t tti);
|
|
void push_pdu_bcch(uint8_t* buff, uint32_t nof_bytes);
|
|
void push_pdu_mch(uint8_t* buff, uint32_t nof_bytes);
|
|
void push_pdu_temp_crnti(uint8_t* buff, uint32_t nof_bytes);
|
|
|
|
bool get_uecrid_successful();
|
|
|
|
void process_pdu(uint8_t* pdu, uint32_t nof_bytes, srslte::pdu_queue::channel_t channel);
|
|
void mch_start_rx(uint32_t lcid);
|
|
|
|
private:
|
|
const static int MAX_PDU_LEN = 150 * 1024 / 8; // ~ 150 Mbps
|
|
const static int MAX_BCCH_PDU_LEN = 1024;
|
|
uint8_t bcch_buffer[MAX_BCCH_PDU_LEN]; // BCCH PID has a dedicated buffer
|
|
|
|
// args
|
|
srslte::log_ref log_h;
|
|
phy_interface_mac_common* phy_h = nullptr;
|
|
rlc_interface_mac* rlc = nullptr;
|
|
mac_interface_demux* mac = nullptr;
|
|
|
|
srslte::sch_pdu mac_msg;
|
|
srslte::mch_pdu mch_mac_msg;
|
|
srslte::sch_pdu pending_mac_msg;
|
|
uint8_t mch_lcids[SRSLTE_N_MCH_LCIDS] = {};
|
|
void process_sch_pdu_rt(uint8_t* buff, uint32_t nof_bytes, uint32_t tti);
|
|
void process_sch_pdu(srslte::sch_pdu* pdu);
|
|
void process_mch_pdu(srslte::mch_pdu* pdu);
|
|
bool process_ce(srslte::sch_subh* subheader, uint32_t tti);
|
|
void parse_ta_cmd(srslte::sch_subh* subh);
|
|
|
|
bool is_uecrid_successful = false;
|
|
|
|
srslte::timer_handler::unique_timer* time_alignment_timer = nullptr;
|
|
|
|
// Buffer of PDUs
|
|
srslte::pdu_queue pdus;
|
|
};
|
|
|
|
} // namespace srsue
|
|
|
|
#endif // SRSUE_DEMUX_H
|