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C++

/**
* Copyright 2013-2021 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_COMMON_NR_H
#define SRSRAN_COMMON_NR_H
#include <array>
#include <cstdint>
namespace srsran {
// Radio Bearers
enum class nr_srb { srb0, srb1, srb2, srb3, count };
const uint32_t MAX_NR_SRB_ID = 3;
enum class nr_drb {
drb1 = 1,
drb2,
drb3,
drb4,
drb5,
drb6,
drb7,
drb8,
drb9,
drb10,
drb11,
drb12,
drb13,
drb14,
drb15,
drb16,
drb17,
drb18,
drb19,
drb20,
drb21,
drb22,
drb23,
drb24,
drb25,
drb26,
drb27,
drb28,
drb29,
invalid
};
const uint32_t MAX_NR_DRB_ID = 29;
const uint32_t MAX_NR_NOF_BEARERS = MAX_NR_DRB_ID + MAX_NR_SRB_ID; // 32
constexpr bool is_nr_lcid(uint32_t lcid)
{
return lcid < MAX_NR_NOF_BEARERS;
}
constexpr bool is_nr_srb(uint32_t srib)
{
return srib <= MAX_NR_SRB_ID;
}
inline const char* get_srb_name(nr_srb srb_id)
{
static const char* names[] = {"SRB0", "SRB1", "SRB2", "SRB3", "invalid SRB id"};
return names[(uint32_t)(srb_id < nr_srb::count ? srb_id : nr_srb::count)];
}
constexpr uint32_t srb_to_lcid(nr_srb srb_id)
{
return static_cast<uint32_t>(srb_id);
}
constexpr nr_srb nr_lcid_to_srb(uint32_t lcid)
{
return static_cast<nr_srb>(lcid);
}
constexpr nr_drb nr_drb_id_to_drb(uint32_t drb_id)
{
return static_cast<nr_drb>(drb_id);
}
constexpr bool is_nr_drb(uint32_t drib)
{
return drib > MAX_NR_SRB_ID and is_nr_lcid(drib);
}
inline const char* get_drb_name(nr_drb drb_id)
{
static const char* names[] = {"DRB1", "DRB2", "DRB3", "DRB4", "DRB5", "DRB6", "DRB7", "DRB8",
"DRB9", "DRB10", "DRB11", "DRB12", "DRB13", "DRB14", "DRB15", "DRB16",
"DRB17", "DRB18", "DRB19", "DRB20", "DRB21", "DRB22", "DRB23", "DRB24",
"DRB25", "DRB26", "DRB27", "DRB28", "DRB29", "invalid DRB id"};
return names[(uint32_t)(drb_id < nr_drb::invalid ? drb_id : nr_drb::invalid) - 1];
}
} // namespace srsran
#endif // SRSRAN_COMMON_NR_H