1258945Sroberto/* 2280849Scy * Copyright (C) 2004, 2005, 2007, 2011, 2012 Internet Systems Consortium, Inc. ("ISC") 3258945Sroberto * Copyright (C) 1999-2002 Internet Software Consortium. 4258945Sroberto * 5258945Sroberto * Permission to use, copy, modify, and/or distribute this software for any 6258945Sroberto * purpose with or without fee is hereby granted, provided that the above 7258945Sroberto * copyright notice and this permission notice appear in all copies. 8258945Sroberto * 9258945Sroberto * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH 10258945Sroberto * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY 11258945Sroberto * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, 12258945Sroberto * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM 13258945Sroberto * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE 14258945Sroberto * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR 15258945Sroberto * PERFORMANCE OF THIS SOFTWARE. 16258945Sroberto */ 17258945Sroberto 18280849Scy/* $Id$ */ 19258945Sroberto 20258945Sroberto#ifndef ISC_IPV6_H 21258945Sroberto#define ISC_IPV6_H 1 22258945Sroberto 23258945Sroberto/***** 24258945Sroberto ***** Module Info 25258945Sroberto *****/ 26258945Sroberto 27258945Sroberto/* 28258945Sroberto * IPv6 definitions for systems which do not support IPv6. 29258945Sroberto * 30258945Sroberto * MP: 31258945Sroberto * No impact. 32258945Sroberto * 33258945Sroberto * Reliability: 34258945Sroberto * No anticipated impact. 35258945Sroberto * 36258945Sroberto * Resources: 37258945Sroberto * N/A. 38258945Sroberto * 39258945Sroberto * Security: 40258945Sroberto * No anticipated impact. 41258945Sroberto * 42258945Sroberto * Standards: 43258945Sroberto * RFC2553. 44258945Sroberto */ 45258945Sroberto 46258945Sroberto#if _MSC_VER < 1300 47258945Sroberto#define in6_addr in_addr6 48258945Sroberto#endif 49258945Sroberto 50258945Sroberto#ifndef IN6ADDR_ANY_INIT 51258945Sroberto#define IN6ADDR_ANY_INIT {{ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 }} 52258945Sroberto#endif 53258945Sroberto#ifndef IN6ADDR_LOOPBACK_INIT 54258945Sroberto#define IN6ADDR_LOOPBACK_INIT {{ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1 }} 55258945Sroberto#endif 56258945Sroberto 57258945SrobertoLIBISC_EXTERNAL_DATA extern const struct in6_addr isc_net_in6addrany; 58258945SrobertoLIBISC_EXTERNAL_DATA extern const struct in6_addr isc_net_in6addrloop; 59258945Sroberto 60258945Sroberto/* 61258945Sroberto * Unspecified 62258945Sroberto */ 63258945Sroberto#ifndef IN6_IS_ADDR_UNSPECIFIED 64258945Sroberto#define IN6_IS_ADDR_UNSPECIFIED(a) (\ 65258945Sroberto*((u_long *)((a)->s6_addr) ) == 0 && \ 66258945Sroberto*((u_long *)((a)->s6_addr) + 1) == 0 && \ 67258945Sroberto*((u_long *)((a)->s6_addr) + 2) == 0 && \ 68258945Sroberto*((u_long *)((a)->s6_addr) + 3) == 0 \ 69258945Sroberto) 70258945Sroberto#endif 71258945Sroberto 72258945Sroberto/* 73258945Sroberto * Loopback 74258945Sroberto */ 75258945Sroberto#ifndef IN6_IS_ADDR_LOOPBACK 76258945Sroberto#define IN6_IS_ADDR_LOOPBACK(a) (\ 77258945Sroberto*((u_long *)((a)->s6_addr) ) == 0 && \ 78258945Sroberto*((u_long *)((a)->s6_addr) + 1) == 0 && \ 79258945Sroberto*((u_long *)((a)->s6_addr) + 2) == 0 && \ 80258945Sroberto*((u_long *)((a)->s6_addr) + 3) == htonl(1) \ 81258945Sroberto) 82258945Sroberto#endif 83258945Sroberto 84258945Sroberto/* 85258945Sroberto * IPv4 compatible 86258945Sroberto */ 87258945Sroberto#define IN6_IS_ADDR_V4COMPAT(a) (\ 88258945Sroberto*((u_long *)((a)->s6_addr) ) == 0 && \ 89258945Sroberto*((u_long *)((a)->s6_addr) + 1) == 0 && \ 90258945Sroberto*((u_long *)((a)->s6_addr) + 2) == 0 && \ 91258945Sroberto*((u_long *)((a)->s6_addr) + 3) != 0 && \ 92258945Sroberto*((u_long *)((a)->s6_addr) + 3) != htonl(1) \ 93258945Sroberto) 94258945Sroberto 95258945Sroberto/* 96258945Sroberto * Mapped 97258945Sroberto */ 98258945Sroberto#define IN6_IS_ADDR_V4MAPPED(a) (\ 99258945Sroberto*((u_long *)((a)->s6_addr) ) == 0 && \ 100258945Sroberto*((u_long *)((a)->s6_addr) + 1) == 0 && \ 101258945Sroberto*((u_long *)((a)->s6_addr) + 2) == htonl(0x0000ffff)) 102258945Sroberto 103258945Sroberto/* 104258945Sroberto * Multicast 105258945Sroberto */ 106258945Sroberto#define IN6_IS_ADDR_MULTICAST(a) \ 107258945Sroberto ((a)->s6_addr[0] == 0xffU) 108258945Sroberto 109258945Sroberto/* 110258945Sroberto * Unicast link / site local. 111258945Sroberto */ 112258945Sroberto#ifndef IN6_IS_ADDR_LINKLOCAL 113258945Sroberto#define IN6_IS_ADDR_LINKLOCAL(a) (\ 114258945Sroberto ((a)->s6_addr[0] == 0xfe) && \ 115258945Sroberto (((a)->s6_addr[1] & 0xc0) == 0x80)) 116258945Sroberto#endif 117258945Sroberto 118258945Sroberto#ifndef IN6_IS_ADDR_SITELOCAL 119258945Sroberto#define IN6_IS_ADDR_SITELOCAL(a) (\ 120258945Sroberto ((a)->s6_addr[0] == 0xfe) && \ 121258945Sroberto (((a)->s6_addr[1] & 0xc0) == 0xc0)) 122258945Sroberto#endif 123258945Sroberto 124258945Sroberto#endif /* ISC_IPV6_H */ 125