ipv6_pmtu.h

00001 /**
00002  * @file ipv6_pmtu.h
00003  * @brief Path MTU Discovery for IPv6
00004  *
00005  * @section License
00006  *
00007  * Copyright (C) 2010-2017 Oryx Embedded SARL. All rights reserved.
00008  *
00009  * This file is part of CycloneTCP Open.
00010  *
00011  * This program is free software; you can redistribute it and/or
00012  * modify it under the terms of the GNU General Public License
00013  * as published by the Free Software Foundation; either version 2
00014  * of the License, or (at your option) any later version.
00015  *
00016  * This program is distributed in the hope that it will be useful,
00017  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00018  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00019  * GNU General Public License for more details.
00020  *
00021  * You should have received a copy of the GNU General Public License
00022  * along with this program; if not, write to the Free Software Foundation,
00023  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
00024  *
00025  * @author Oryx Embedded SARL (www.oryx-embedded.com)
00026  * @version 1.7.6
00027  **/
00028 
00029 #ifndef _IPV6_PMTU_H
00030 #define _IPV6_PMTU_H
00031 
00032 //Dependencies
00033 #include "core/net.h"
00034 
00035 //Path MTU discovery support
00036 #ifndef IPV6_PMTU_SUPPORT
00037    #define IPV6_PMTU_SUPPORT ENABLED
00038 #elif (IPV6_PMTU_SUPPORT != ENABLED && IPV6_PMTU_SUPPORT != DISABLED)
00039    #error IPV6_PMTU_SUPPORT parameter is not valid
00040 #endif
00041 
00042 //Path MTU discovery related functions
00043 size_t ipv6GetPathMtu(NetInterface *interface, const Ipv6Addr *destAddr);
00044 
00045 void ipv6UpdatePathMtu(NetInterface *interface,
00046    const Ipv6Addr *destAddr, size_t tentativePathMtu);
00047 
00048 #endif
00049