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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/.
*
*/
/******************************************************************************
* File: pdcp_config.h
* Description: Structures used for configuration of the PDCP entities
*****************************************************************************/
#ifndef SRSLTE_PDCP_CONFIG_H
#define SRSLTE_PDCP_CONFIG_H
#include "srslte/common/security.h"
#include <stdint.h>
namespace srslte {
/***************************
* PDCP Config
**************************/
// LTE and NR common config
const uint8_t PDCP_SN_LEN_5 = 5;
const uint8_t PDCP_SN_LEN_7 = 7;
const uint8_t PDCP_SN_LEN_12 = 12;
const uint8_t PDCP_SN_LEN_18 = 18;
typedef enum { PDCP_RB_IS_SRB, PDCP_RB_IS_DRB } pdcp_rb_type_t;
// Taken from PDCP-Config (TS 38.331 version 15.2.1)
enum class pdcp_t_reordering_t {
ms0 = 0,
ms1 = 1,
ms2 = 2,
ms4 = 4,
ms5 = 5,
ms8 = 8,
ms10 = 10,
ms15 = 15,
ms20 = 20,
ms30 = 30,
ms40 = 40,
ms50 = 50,
ms60 = 60,
ms80 = 80,
ms100 = 100,
ms120 = 120,
ms140 = 140,
ms160 = 160,
ms180 = 180,
ms200 = 200,
ms220 = 220,
ms240 = 240,
ms260 = 260,
ms280 = 280,
ms300 = 300,
ms500 = 500,
ms750 = 750,
ms1000 = 1000,
ms1250 = 1250,
ms1500 = 1500,
ms1750 = 1750,
ms2000 = 2000,
ms2250 = 2250,
ms2500 = 2500,
ms2750 = 2750,
ms3000 = 3000
};
// Taken from PDCP-Config (TS 38.331 version 15.2.1)
enum class pdcp_discard_timer_t {
ms10 = 10,
ms20 = 20,
ms30 = 30,
ms40 = 40,
ms50 = 50,
ms60 = 60,
ms75 = 75,
ms100 = 100,
ms150 = 150,
ms200 = 200,
ms250 = 250,
ms300 = 300,
ms500 = 500,
ms750 = 750,
ms1500 = 1500,
infinity = 0
};
class pdcp_config_t
{
public:
pdcp_config_t(uint8_t bearer_id_,
pdcp_rb_type_t rb_type_,
security_direction_t tx_direction_,
security_direction_t rx_direction_,
uint8_t sn_len_,
pdcp_t_reordering_t t_reordering_,
pdcp_discard_timer_t discard_timer_) :
bearer_id(bearer_id_),
rb_type(rb_type_),
tx_direction(tx_direction_),
rx_direction(rx_direction_),
sn_len(sn_len_),
t_reordering(t_reordering_),
discard_timer(discard_timer_)
{
hdr_len_bytes = ceil((float)sn_len / 8);
}
uint8_t bearer_id = 1;
pdcp_rb_type_t rb_type = PDCP_RB_IS_DRB;
security_direction_t tx_direction = SECURITY_DIRECTION_DOWNLINK;
security_direction_t rx_direction = SECURITY_DIRECTION_UPLINK;
uint8_t sn_len = PDCP_SN_LEN_12;
uint8_t hdr_len_bytes = 2;
pdcp_t_reordering_t t_reordering = pdcp_t_reordering_t::ms500;
pdcp_discard_timer_t discard_timer = pdcp_discard_timer_t::infinity;
// TODO: Support the following configurations
// bool do_rohc;
};
} // namespace srslte
#endif // SRSLTE_PDCP_CONFIG_H