rohc_decomp_detect_packet.h

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/*
 * Copyright 2011,2012,2013 Didier Barvaux
 * Copyright 2007,2009,2010,2013 Viveris Technologies
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 */

/**
 * @file   rohc_decomp_detect_packet.h
 * @brief  Functions related to packet detection
 * @author Didier Barvaux <didier.barvaux@toulouse.viveris.com>
 * @author Didier Barvaux <didier@barvaux.org>
 */

#ifndef ROHC_DECOMP_DETECT_PACKET_H
#define ROHC_DECOMP_DETECT_PACKET_H

#include <stddef.h>
#include <stdint.h>
#ifdef __KERNEL__
#  include <linux/types.h>
#else
#  include <stdbool.h>
#endif


/*
 * Function prototypes.
 */

/* ROHC segment */
bool rohc_decomp_packet_is_segment(const uint8_t *const data)
        __attribute__((warn_unused_result, nonnull(1), pure));
bool rohc_decomp_packet_is_padding(const uint8_t *const data)
        __attribute__((warn_unused_result, nonnull(1), pure));

/* IR packet */
bool rohc_decomp_packet_is_ir(const uint8_t *const data, const size_t len)
        __attribute__((warn_unused_result, nonnull(1), pure));

/* IR-DYN packet */
bool rohc_decomp_packet_is_irdyn(const uint8_t *const data, const size_t len)
        __attribute__((warn_unused_result, nonnull(1), pure));

/* UO-0 packet */
bool rohc_decomp_packet_is_uo0(const uint8_t *const data, const size_t len)
        __attribute__((warn_unused_result, nonnull(1), pure));

/* UO-1* packets */
bool rohc_decomp_packet_is_uo1(const uint8_t *const data, const size_t len)
        __attribute__((warn_unused_result, nonnull(1), pure));
bool rohc_decomp_packet_is_uo1_ts(const uint8_t *const data, const size_t len)
        __attribute__((warn_unused_result, nonnull(1), pure));

/* UOR-2* packets */
bool rohc_decomp_packet_is_uor2(const uint8_t *const data, const size_t len)
        __attribute__((warn_unused_result, nonnull(1), pure));
bool rohc_decomp_packet_is_uor2_ts(const uint8_t *const data,
                                   const size_t data_len,
                                   const size_t large_cid_len)
        __attribute__((warn_unused_result, nonnull(1), pure));

#endif