2 * Copyright (C) 2004 Internet Systems Consortium, Inc. ("ISC")
3 * Copyright (C) 2000, 2001 Internet Software Consortium.
5 * Permission to use, copy, modify, and distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
9 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
10 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
11 * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
12 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
13 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
14 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
15 * PERFORMANCE OF THIS SOFTWARE.
18 /* $Id: ipv6.h,v 1.9.206.1 2004/03/06 08:15:34 marka Exp $ */
21 #define LWRES_IPV6_H 1
28 * IPv6 definitions for systems which do not support IPv6.
35 #include <lwres/int.h>
36 #include <lwres/platform.h>
44 lwres_uint8_t _S6_u8[16];
45 lwres_uint16_t _S6_u16[8];
46 lwres_uint32_t _S6_u32[4];
49 #define s6_addr _S6_un._S6_u8
50 #define s6_addr8 _S6_un._S6_u8
51 #define s6_addr16 _S6_un._S6_u16
52 #define s6_addr32 _S6_un._S6_u32
54 #define IN6ADDR_ANY_INIT {{{ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }}}
55 #define IN6ADDR_LOOPBACK_INIT {{{ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1 }}}
57 LIBLWRES_EXTERNAL_DATA extern const struct in6_addr in6addr_any;
58 LIBLWRES_EXTERNAL_DATA extern const struct in6_addr in6addr_loopback;
61 #ifdef LWRES_PLATFORM_HAVESALEN
62 lwres_uint8_t sin6_len;
63 lwres_uint8_t sin6_family;
65 lwres_uint16_t sin6_family;
67 lwres_uint16_t sin6_port;
68 lwres_uint32_t sin6_flowinfo;
69 struct in6_addr sin6_addr;
70 lwres_uint32_t sin6_scope_id;
73 #ifdef LWRES_PLATFORM_HAVESALEN
78 struct in6_addr ipi6_addr; /* src/dst IPv6 address */
79 unsigned int ipi6_ifindex; /* send/recv interface index */
85 #define IN6_IS_ADDR_UNSPECIFIED(a) \
86 (((a)->s6_addr32[0] == 0) && \
87 ((a)->s6_addr32[1] == 0) && \
88 ((a)->s6_addr32[2] == 0) && \
89 ((a)->s6_addr32[3] == 0))
94 #define IN6_IS_ADDR_LOOPBACK(a) \
95 (((a)->s6_addr32[0] == 0) && \
96 ((a)->s6_addr32[1] == 0) && \
97 ((a)->s6_addr32[2] == 0) && \
98 ((a)->s6_addr32[3] == htonl(1)))
103 #define IN6_IS_ADDR_V4COMPAT(a) \
104 (((a)->s6_addr32[0] == 0) && \
105 ((a)->s6_addr32[1] == 0) && \
106 ((a)->s6_addr32[2] == 0) && \
107 ((a)->s6_addr32[3] != 0) && \
108 ((a)->s6_addr32[3] != htonl(1)))
113 #define IN6_IS_ADDR_V4MAPPED(a) \
114 (((a)->s6_addr32[0] == 0) && \
115 ((a)->s6_addr32[1] == 0) && \
116 ((a)->s6_addr32[2] == htonl(0x0000ffff)))
118 #endif /* LWRES_IPV6_H */