Linux kernel mirror (for testing)
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1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 * Types and definitions for AF_INET6
4 * Linux INET6 implementation
5 *
6 * Authors:
7 * Pedro Roque <roque@di.fc.ul.pt>
8 *
9 * Sources:
10 * IPv6 Program Interfaces for BSD Systems
11 * <draft-ietf-ipngwg-bsd-api-05.txt>
12 *
13 * Advanced Sockets API for IPv6
14 * <draft-stevens-advanced-api-00.txt>
15 */
16#ifndef _LINUX_IN6_H
17#define _LINUX_IN6_H
18
19#include <uapi/linux/in6.h>
20
21/* Large enough to hold both sockaddr_in and sockaddr_in6. */
22struct sockaddr_inet {
23 unsigned short sa_family;
24 char sa_data[sizeof(struct sockaddr_in6) -
25 sizeof(unsigned short)];
26};
27
28/* IPv6 Wildcard Address (::) and Loopback Address (::1) defined in RFC2553
29 * NOTE: Be aware the IN6ADDR_* constants and in6addr_* externals are defined
30 * in network byte order, not in host byte order as are the IPv4 equivalents
31 */
32extern const struct in6_addr in6addr_any;
33#define IN6ADDR_ANY_INIT { { { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 } } }
34extern const struct in6_addr in6addr_loopback;
35#define IN6ADDR_LOOPBACK_INIT { { { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1 } } }
36extern const struct in6_addr in6addr_linklocal_allnodes;
37#define IN6ADDR_LINKLOCAL_ALLNODES_INIT \
38 { { { 0xff,2,0,0,0,0,0,0,0,0,0,0,0,0,0,1 } } }
39extern const struct in6_addr in6addr_linklocal_allrouters;
40#define IN6ADDR_LINKLOCAL_ALLROUTERS_INIT \
41 { { { 0xff,2,0,0,0,0,0,0,0,0,0,0,0,0,0,2 } } }
42extern const struct in6_addr in6addr_interfacelocal_allnodes;
43#define IN6ADDR_INTERFACELOCAL_ALLNODES_INIT \
44 { { { 0xff,1,0,0,0,0,0,0,0,0,0,0,0,0,0,1 } } }
45extern const struct in6_addr in6addr_interfacelocal_allrouters;
46#define IN6ADDR_INTERFACELOCAL_ALLROUTERS_INIT \
47 { { { 0xff,1,0,0,0,0,0,0,0,0,0,0,0,0,0,2 } } }
48extern const struct in6_addr in6addr_sitelocal_allrouters;
49#define IN6ADDR_SITELOCAL_ALLROUTERS_INIT \
50 { { { 0xff,5,0,0,0,0,0,0,0,0,0,0,0,0,0,2 } } }
51#endif