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/*! \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 <osmocom/core/msgb.h>
#include <stdint.h>
#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);
bool osmo_gcr_eq(const struct osmo_gcr_parsed *gcr1, const struct osmo_gcr_parsed *gcr2);
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