/** * 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_MIB_SL_H #define SRSRAN_MIB_SL_H #include #include #include "srsran/config.h" #include "srsran/phy/common/phy_common_sl.h" /** * Master information block - Sidelink (MIB-SL and MIB-SL-V2X). * * \brief MIB-SL packing/unpacking functions to convert between bit streams * * Reference: 3GPP TS 36.331 version 15.6.0 Release 15 Sec. 6.5 */ typedef struct SRSRAN_API { uint32_t mib_sl_len; // sl-Bandwidth-r12 enum {6, 15, 25, 50, 75, 100} (3 bits) uint32_t sl_bandwidth_r12; // tdd-ConfigSL-r12 (3 bits) uint32_t tdd_config_sl_r12; // directFrameNumber-r12 (10 bits) uint32_t direct_frame_number_r12; // directSubframeNumber-r12 (4 bits) uint32_t direct_subframe_number_r12; // inCoverage-r12 (1 bit) bool in_coverage_r12; // reserved-r12 // TM2: (19 bits) // TM4: (27 bits) } srsran_mib_sl_t; static const int srsran_mib_sl_bandwith_to_prb[6] = {6, 15, 25, 50, 75, 100}; SRSRAN_API int srsran_mib_sl_init(srsran_mib_sl_t* q, srsran_sl_tm_t tm); SRSRAN_API int srsran_mib_sl_set(srsran_mib_sl_t* q, uint32_t nof_prb, uint32_t tdd_config, uint32_t direct_frame_number, uint32_t direct_subframe_number, bool in_coverage); SRSRAN_API void srsran_mib_sl_pack(srsran_mib_sl_t* q, uint8_t* msg); SRSRAN_API void srsran_mib_sl_unpack(srsran_mib_sl_t* q, uint8_t* msg); SRSRAN_API void srsran_mib_sl_free(srsran_mib_sl_t* q); SRSRAN_API void srsran_mib_sl_printf(FILE* f, srsran_mib_sl_t* q); #endif // SRSRAN_MIB_SL_H