/*! \defgroup gsm29205 3GPP TS 29.205 * @{ * \file gsm29205.h */ /* * (C) 2018 by sysmocom - s.f.m.c. GmbH * All Rights Reserved * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program 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 General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. * */ #pragma once #include #include #define OSMO_GCR_MIN_LEN 13 /*! Parsed representation of Global Call Reference, 3GPP TS 29.205 Table B 2.1.9.1. */ struct osmo_gcr_parsed { uint8_t net[5]; /** Network ID, ITU-T Q.1902.3 */ uint8_t net_len; /** length (3-5 octets) of gsm29205_gcr#net */ uint16_t node; /** Node ID */ uint8_t cr[5]; /** Call Reference ID */ }; uint8_t osmo_enc_gcr(struct msgb *msg, const struct osmo_gcr_parsed *g); int osmo_dec_gcr(struct osmo_gcr_parsed *gcr, const uint8_t *elem, uint8_t len);