mirror of https://github.com/PentHertz/srsLTE.git
99 lines
3.3 KiB
C++
99 lines
3.3 KiB
C++
/*
|
|
* Copyright 2013-2019 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 SRSLTE_PDCP_ENTITY_LTE_H
|
|
#define SRSLTE_PDCP_ENTITY_LTE_H
|
|
|
|
#include "srslte/common/buffer_pool.h"
|
|
#include "srslte/common/common.h"
|
|
#include "srslte/common/log.h"
|
|
#include "srslte/common/security.h"
|
|
#include "srslte/common/threads.h"
|
|
#include "srslte/interfaces/ue_interfaces.h"
|
|
#include "srslte/upper/pdcp_entity_base.h"
|
|
|
|
namespace srslte {
|
|
|
|
/****************************************************************************
|
|
* Structs and Defines
|
|
* Ref: 3GPP TS 36.323 v10.1.0
|
|
***************************************************************************/
|
|
|
|
#define PDCP_CONTROL_MAC_I 0x00000000
|
|
|
|
/****************************************************************************
|
|
* LTE PDCP Entity
|
|
* Class for LTE PDCP entities
|
|
***************************************************************************/
|
|
class pdcp_entity_lte final : public pdcp_entity_base
|
|
{
|
|
public:
|
|
pdcp_entity_lte(srsue::rlc_interface_pdcp* rlc_,
|
|
srsue::rrc_interface_pdcp* rrc_,
|
|
srsue::gw_interface_pdcp* gw_,
|
|
srslte::timer_handler* timers_,
|
|
srslte::log* log_);
|
|
~pdcp_entity_lte();
|
|
void init(uint32_t lcid_, pdcp_config_t cfg_);
|
|
void reset();
|
|
void reestablish();
|
|
|
|
// GW/RRC interface
|
|
void write_sdu(unique_byte_buffer_t sdu, bool blocking);
|
|
void get_bearer_status(uint16_t* dlsn, uint16_t* dlhfn, uint16_t* ulsn, uint16_t* ulhfn);
|
|
|
|
uint32_t get_dl_count();
|
|
uint32_t get_ul_count();
|
|
|
|
// RLC interface
|
|
void write_pdu(unique_byte_buffer_t pdu);
|
|
|
|
// State variable setters (should be used only for testing)
|
|
void set_tx_count(uint32_t tx_count_) { tx_count = tx_count_; }
|
|
void set_rx_hfn(uint32_t rx_hfn_) { rx_hfn = rx_hfn_; }
|
|
void set_next_pdcp_rx_sn(uint32_t next_pdcp_rx_sn_) { next_pdcp_rx_sn = next_pdcp_rx_sn_; }
|
|
void set_last_submitted_pdcp_rx_sn(uint32_t last_submitted_pdcp_rx_sn_)
|
|
{
|
|
last_submitted_pdcp_rx_sn = last_submitted_pdcp_rx_sn_;
|
|
}
|
|
|
|
private:
|
|
srsue::rlc_interface_pdcp* rlc = nullptr;
|
|
srsue::rrc_interface_pdcp* rrc = nullptr;
|
|
srsue::gw_interface_pdcp* gw = nullptr;
|
|
|
|
uint32_t rx_count = 0;
|
|
uint32_t tx_count = 0;
|
|
|
|
uint32_t rx_hfn = 0;
|
|
uint32_t next_pdcp_rx_sn = 0;
|
|
uint32_t reordering_window = 0;
|
|
uint32_t last_submitted_pdcp_rx_sn = 0;
|
|
uint32_t maximum_pdcp_sn = 0;
|
|
|
|
void handle_srb_pdu(srslte::unique_byte_buffer_t pdu);
|
|
void handle_um_drb_pdu(srslte::unique_byte_buffer_t pdu);
|
|
void handle_am_drb_pdu(srslte::unique_byte_buffer_t pdu);
|
|
};
|
|
|
|
} // namespace srslte
|
|
#endif // SRSLTE_PDCP_ENTITY_LTE_H
|