ROHC compression/decompression library: tcp

00001 /*
00002  * Copyright 2015 Didier Barvaux
00003  *
00004  * This library is free software; you can redistribute it and/or
00005  * modify it under the terms of the GNU Lesser General Public
00006  * License as published by the Free Software Foundation; either
00007  * version 2.1 of the License, or (at your option) any later version.
00008  *
00009  * This library is distributed in the hope that it will be useful,
00010  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00011  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012  * Lesser General Public License for more details.
00013  *
00014  * You should have received a copy of the GNU Lesser General Public
00015  * License along with this library; if not, write to the Free Software
00016  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
00017  */
00018 
00019 /**
00020  * @file   /comp/schemes/tcp_sack.h
00021  * @brief  Handle encoding of TCP Selective ACKnowledgement (SACK) option
00022  * @author Didier Barvaux <didier@barvaux.org>
00023  */
00024 
00025 #ifndef ROHC_COMP_SCHEMES_TCP_SACK_H
00026 #define ROHC_COMP_SCHEMES_TCP_SACK_H
00027 
00028 #include "rohc_comp_internals.h"
00029 #include "protocols/tcp.h" /* for sack_block_t */
00030 
00031 #include <stddef.h>
00032 #include <stdint.h>
00033 
00034 int c_tcp_opt_sack_code(const struct rohc_comp_ctxt *const context,
00035                         const uint32_t ack_value,
00036                         const sack_block_t *const sack_blocks,
00037                         const uint8_t length,
00038                         const bool is_unchanged,
00039                         uint8_t *const rohc_data,
00040                         const size_t rohc_max_len)
00041         __attribute__((warn_unused_result, nonnull(1, 3, 6)));
00042 
00043 #endif /* ROHC_COMP_SCHEMES_TCP_SACK_H */
00044