ipv6_pmtu.h
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1 /**
2  * @file ipv6_pmtu.h
3  * @brief Path MTU Discovery for IPv6
4  *
5  * @section License
6  *
7  * Copyright (C) 2010-2018 Oryx Embedded SARL. All rights reserved.
8  *
9  * This file is part of CycloneTCP Open.
10  *
11  * This program is free software; you can redistribute it and/or
12  * modify it under the terms of the GNU General Public License
13  * as published by the Free Software Foundation; either version 2
14  * of the License, or (at your option) any later version.
15  *
16  * This program is distributed in the hope that it will be useful,
17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19  * GNU General Public License for more details.
20  *
21  * You should have received a copy of the GNU General Public License
22  * along with this program; if not, write to the Free Software Foundation,
23  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
24  *
25  * @author Oryx Embedded SARL (www.oryx-embedded.com)
26  * @version 1.9.0
27  **/
28 
29 #ifndef _IPV6_PMTU_H
30 #define _IPV6_PMTU_H
31 
32 //Dependencies
33 #include "core/net.h"
34 
35 //Path MTU discovery support
36 #ifndef IPV6_PMTU_SUPPORT
37  #define IPV6_PMTU_SUPPORT ENABLED
38 #elif (IPV6_PMTU_SUPPORT != ENABLED && IPV6_PMTU_SUPPORT != DISABLED)
39  #error IPV6_PMTU_SUPPORT parameter is not valid
40 #endif
41 
42 //C++ guard
43 #ifdef __cplusplus
44  extern "C" {
45 #endif
46 
47 //Path MTU discovery related functions
48 size_t ipv6GetPathMtu(NetInterface *interface, const Ipv6Addr *destAddr);
49 
50 void ipv6UpdatePathMtu(NetInterface *interface,
51  const Ipv6Addr *destAddr, size_t tentativePathMtu);
52 
53 //C++ guard
54 #ifdef __cplusplus
55  }
56 #endif
57 
58 #endif
TCP/IP stack core.
size_t ipv6GetPathMtu(NetInterface *interface, const Ipv6Addr *destAddr)
Retrieve the PMTU for the specified path.
Definition: ipv6_pmtu.c:52
__start_packed struct @183 Ipv6Addr
IPv6 network address.
void ipv6UpdatePathMtu(NetInterface *interface, const Ipv6Addr *destAddr, size_t tentativePathMtu)
Update the PMTU for the specified path.
Definition: ipv6_pmtu.c:91
#define NetInterface
Definition: net.h:34
MacAddr destAddr
Definition: ethernet.h:180