xref: /linux/include/linux/in6.h (revision ca55b2fef3a9373fcfc30f82fd26bc7fccbda732)
1 /*
2  *	Types and definitions for AF_INET6
3  *	Linux INET6 implementation
4  *
5  *	Authors:
6  *	Pedro Roque		<roque@di.fc.ul.pt>
7  *
8  *	Sources:
9  *	IPv6 Program Interfaces for BSD Systems
10  *      <draft-ietf-ipngwg-bsd-api-05.txt>
11  *
12  *	Advanced Sockets API for IPv6
13  *	<draft-stevens-advanced-api-00.txt>
14  *
15  *	This program is free software; you can redistribute it and/or
16  *      modify it under the terms of the GNU General Public License
17  *      as published by the Free Software Foundation; either version
18  *      2 of the License, or (at your option) any later version.
19  */
20 #ifndef _LINUX_IN6_H
21 #define _LINUX_IN6_H
22 
23 #include <uapi/linux/in6.h>
24 
25 /* IPv6 Wildcard Address (::) and Loopback Address (::1) defined in RFC2553
26  * NOTE: Be aware the IN6ADDR_* constants and in6addr_* externals are defined
27  * in network byte order, not in host byte order as are the IPv4 equivalents
28  */
29 extern const struct in6_addr in6addr_any;
30 #define IN6ADDR_ANY_INIT { { { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 } } }
31 extern const struct in6_addr in6addr_loopback;
32 #define IN6ADDR_LOOPBACK_INIT { { { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1 } } }
33 extern const struct in6_addr in6addr_linklocal_allnodes;
34 #define IN6ADDR_LINKLOCAL_ALLNODES_INIT	\
35 		{ { { 0xff,2,0,0,0,0,0,0,0,0,0,0,0,0,0,1 } } }
36 extern const struct in6_addr in6addr_linklocal_allrouters;
37 #define IN6ADDR_LINKLOCAL_ALLROUTERS_INIT \
38 		{ { { 0xff,2,0,0,0,0,0,0,0,0,0,0,0,0,0,2 } } }
39 extern const struct in6_addr in6addr_interfacelocal_allnodes;
40 #define IN6ADDR_INTERFACELOCAL_ALLNODES_INIT \
41 		{ { { 0xff,1,0,0,0,0,0,0,0,0,0,0,0,0,0,1 } } }
42 extern const struct in6_addr in6addr_interfacelocal_allrouters;
43 #define IN6ADDR_INTERFACELOCAL_ALLROUTERS_INIT \
44 		{ { { 0xff,1,0,0,0,0,0,0,0,0,0,0,0,0,0,2 } } }
45 extern const struct in6_addr in6addr_sitelocal_allrouters;
46 #define IN6ADDR_SITELOCAL_ALLROUTERS_INIT \
47 		{ { { 0xff,5,0,0,0,0,0,0,0,0,0,0,0,0,0,2 } } }
48 #endif
49