williamr@2: /* $FreeBSD: src/sys/netinet6/in6.h,v 1.36.2.2 2005/10/09 05:21:18 ume Exp $ */ williamr@2: /* $KAME: in6.h,v 1.89 2001/05/27 13:28:35 itojun Exp $ */ williamr@2: williamr@2: /*- williamr@2: * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. williamr@2: * All rights reserved. williamr@2: * williamr@2: * Redistribution and use in source and binary forms, with or without williamr@2: * modification, are permitted provided that the following conditions williamr@2: * are met: williamr@2: * 1. Redistributions of source code must retain the above copyright williamr@2: * notice, this list of conditions and the following disclaimer. williamr@2: * 2. Redistributions in binary form must reproduce the above copyright williamr@2: * notice, this list of conditions and the following disclaimer in the williamr@2: * documentation and/or other materials provided with the distribution. williamr@2: * 3. Neither the name of the project nor the names of its contributors williamr@2: * may be used to endorse or promote products derived from this software williamr@2: * without specific prior written permission. williamr@2: * williamr@2: * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND williamr@2: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE williamr@2: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE williamr@2: * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE williamr@2: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL williamr@2: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS williamr@2: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) williamr@2: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT williamr@2: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY williamr@2: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF williamr@2: * SUCH DAMAGE. williamr@2: */ williamr@2: williamr@2: /*- williamr@2: * Copyright (c) 1982, 1986, 1990, 1993 williamr@2: * The Regents of the University of California. All rights reserved. williamr@2: * williamr@2: * Redistribution and use in source and binary forms, with or without williamr@2: * modification, are permitted provided that the following conditions williamr@2: * are met: williamr@2: * 1. Redistributions of source code must retain the above copyright williamr@2: * notice, this list of conditions and the following disclaimer. williamr@2: * 2. Redistributions in binary form must reproduce the above copyright williamr@2: * notice, this list of conditions and the following disclaimer in the williamr@2: * documentation and/or other materials provided with the distribution. williamr@2: * 4. Neither the name of the University nor the names of its contributors williamr@2: * may be used to endorse or promote products derived from this software williamr@2: * without specific prior written permission. williamr@2: * williamr@2: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND williamr@2: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE williamr@2: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE williamr@2: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE williamr@2: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL williamr@2: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS williamr@2: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) williamr@2: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT williamr@2: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY williamr@2: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF williamr@2: * SUCH DAMAGE. williamr@4: * Portions Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies). All rights reserved. williamr@2: * @(#)in.h 8.3 (Berkeley) 1/3/94 williamr@2: */ williamr@2: williamr@2: #ifndef __KAME_NETINET_IN_H_INCLUDED_ williamr@2: #error "do not include netinet6/in6.h directly, include netinet/in.h. see RFC2553" williamr@2: #endif williamr@2: williamr@2: #ifndef _NETINET6_IN6_H_ williamr@2: #define _NETINET6_IN6_H_ williamr@2: williamr@2: /* williamr@2: * Identification of the network protocol stack williamr@2: * for *BSD-current/release: http://www.kame.net/dev/cvsweb.cgi/kame/COVERAGE williamr@2: * has the table of implementation/integration differences. williamr@2: */ williamr@2: #define __KAME__ williamr@2: #define __KAME_VERSION "20010528/FreeBSD" williamr@2: williamr@2: /* williamr@2: * Local port number conventions: williamr@2: * williamr@2: * Ports < IPPORT_RESERVED are reserved for privileged processes (e.g. root), williamr@2: * unless a kernel is compiled with IPNOPRIVPORTS defined. williamr@2: * williamr@2: * When a user does a bind(2) or connect(2) with a port number of zero, williamr@2: * a non-conflicting local port address is chosen. williamr@2: * williamr@2: * The default range is IPPORT_ANONMIN to IPPORT_ANONMAX, although williamr@2: * that is settable by sysctl(3); net.inet.ip.anonportmin and williamr@2: * net.inet.ip.anonportmax respectively. williamr@2: * williamr@2: * A user may set the IPPROTO_IP option IP_PORTRANGE to change this williamr@2: * default assignment range. williamr@2: * williamr@2: * The value IP_PORTRANGE_DEFAULT causes the default behavior. williamr@2: * williamr@2: * The value IP_PORTRANGE_HIGH is the same as IP_PORTRANGE_DEFAULT, williamr@2: * and exists only for FreeBSD compatibility purposes. williamr@2: * williamr@2: * The value IP_PORTRANGE_LOW changes the range to the "low" are williamr@2: * that is (by convention) restricted to privileged processes. williamr@2: * This convention is based on "vouchsafe" principles only. williamr@2: * It is only secure if you trust the remote host to restrict these ports. williamr@2: * The range is IPPORT_RESERVEDMIN to IPPORT_RESERVEDMAX. williamr@2: */ williamr@2: #if __BSD_VISIBLE williamr@2: #define IPV6PORT_RESERVED 1024 williamr@2: #define IPV6PORT_ANONMIN 49152 williamr@2: #define IPV6PORT_ANONMAX 65535 williamr@2: #define IPV6PORT_RESERVEDMIN 600 williamr@2: #define IPV6PORT_RESERVEDMAX (IPV6PORT_RESERVED-1) williamr@2: #endif williamr@2: williamr@2: /* williamr@2: * IPv6 address williamr@2: */ williamr@2: struct in6_addr { williamr@2: union { williamr@2: uint8_t __u6_addr8[16]; williamr@2: uint16_t __u6_addr16[8]; williamr@2: uint32_t __u6_addr32[4]; williamr@2: } __u6_addr; /* 128-bit IP6 address */ williamr@2: }; williamr@2: williamr@2: #define s6_addr __u6_addr.__u6_addr8 williamr@2: #ifdef _KERNEL /* XXX nonstandard */ williamr@2: #define s6_addr8 __u6_addr.__u6_addr8 williamr@2: #define s6_addr16 __u6_addr.__u6_addr16 williamr@2: #define s6_addr32 __u6_addr.__u6_addr32 williamr@2: #endif williamr@2: williamr@2: #define INET6_ADDRSTRLEN 46 williamr@2: williamr@2: /* williamr@2: * XXX missing POSIX.1-2001 macro IPPROTO_IPV6. williamr@2: */ williamr@2: williamr@2: /* williamr@2: * Socket address for IPv6 williamr@2: */ williamr@2: #if __BSD_VISIBLE williamr@2: #define SIN6_LEN williamr@2: #endif williamr@2: #ifdef __SYMBIAN32__ williamr@2: struct sockaddr_in6 { williamr@2: u_short sin6_family; /* AF_INET6 */ williamr@2: u_short sin6_port; /* Transport layer port # */ williamr@2: struct in6_addr sin6_addr; /* IP6 address */ williamr@2: uint32_t sin6_flowinfo; /* IP6 flow information */ williamr@2: uint32_t sin6_scope_id; /* scope zone index */ williamr@2: uint8_t sin6_len; /* length of this struct */ williamr@2: }; williamr@2: #else williamr@2: struct sockaddr_in6 { williamr@2: uint8_t sin6_len; /* length of this struct */ williamr@2: sa_family_t sin6_family; /* AF_INET6 */ williamr@2: in_port_t sin6_port; /* Transport layer port # */ williamr@2: uint32_t sin6_flowinfo; /* IP6 flow information */ williamr@2: struct in6_addr sin6_addr; /* IP6 address */ williamr@2: uint32_t sin6_scope_id; /* scope zone index */ williamr@2: }; williamr@2: #endif williamr@2: williamr@2: /* williamr@2: * Local definition for masks williamr@2: */ williamr@2: #ifdef _KERNEL /* XXX nonstandard */ williamr@2: #define IN6MASK0 {{{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }}} williamr@2: #define IN6MASK32 {{{ 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, \ williamr@2: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }}} williamr@2: #define IN6MASK64 {{{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, \ williamr@2: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }}} williamr@2: #define IN6MASK96 {{{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, \ williamr@2: 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00 }}} williamr@2: #define IN6MASK128 {{{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, \ williamr@2: 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }}} williamr@2: #endif williamr@2: williamr@2: #ifdef _KERNEL williamr@2: extern const struct sockaddr_in6 sa6_any; williamr@2: williamr@2: extern const struct in6_addr in6mask0; williamr@2: extern const struct in6_addr in6mask32; williamr@2: extern const struct in6_addr in6mask64; williamr@2: extern const struct in6_addr in6mask96; williamr@2: extern const struct in6_addr in6mask128; williamr@2: #endif /* _KERNEL */ williamr@2: williamr@2: /* williamr@2: * Macros started with IPV6_ADDR is KAME local williamr@2: */ williamr@2: #ifdef _KERNEL /* XXX nonstandard */ williamr@2: #if _BYTE_ORDER == _BIG_ENDIAN williamr@2: #define IPV6_ADDR_INT32_ONE 1 williamr@2: #define IPV6_ADDR_INT32_TWO 2 williamr@2: #define IPV6_ADDR_INT32_MNL 0xff010000 williamr@2: #define IPV6_ADDR_INT32_MLL 0xff020000 williamr@2: #define IPV6_ADDR_INT32_SMP 0x0000ffff williamr@2: #define IPV6_ADDR_INT16_ULL 0xfe80 williamr@2: #define IPV6_ADDR_INT16_USL 0xfec0 williamr@2: #define IPV6_ADDR_INT16_MLL 0xff02 williamr@2: #elif _BYTE_ORDER == _LITTLE_ENDIAN williamr@2: #define IPV6_ADDR_INT32_ONE 0x01000000 williamr@2: #define IPV6_ADDR_INT32_TWO 0x02000000 williamr@2: #define IPV6_ADDR_INT32_MNL 0x000001ff williamr@2: #define IPV6_ADDR_INT32_MLL 0x000002ff williamr@2: #define IPV6_ADDR_INT32_SMP 0xffff0000 williamr@2: #define IPV6_ADDR_INT16_ULL 0x80fe williamr@2: #define IPV6_ADDR_INT16_USL 0xc0fe williamr@2: #define IPV6_ADDR_INT16_MLL 0x02ff williamr@2: #endif williamr@2: #endif williamr@2: williamr@2: /* williamr@2: * Definition of some useful macros to handle IP6 addresses williamr@2: */ williamr@2: #if __BSD_VISIBLE williamr@2: #define IN6ADDR_ANY_INIT \ williamr@2: {{{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ williamr@2: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }}} williamr@2: #define IN6ADDR_LOOPBACK_INIT \ williamr@2: {{{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ williamr@2: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }}} williamr@2: #define IN6ADDR_NODELOCAL_ALLNODES_INIT \ williamr@2: {{{ 0xff, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ williamr@2: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }}} williamr@2: #define IN6ADDR_INTFACELOCAL_ALLNODES_INIT \ williamr@2: {{{ 0xff, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ williamr@2: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }}} williamr@2: #define IN6ADDR_LINKLOCAL_ALLNODES_INIT \ williamr@2: {{{ 0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ williamr@2: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }}} williamr@2: #define IN6ADDR_LINKLOCAL_ALLROUTERS_INIT \ williamr@2: {{{ 0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ williamr@2: 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02 }}} williamr@2: #endif williamr@2: williamr@2: #ifndef __SYMBIAN32__ williamr@2: extern const struct in6_addr in6addr_any; williamr@2: extern const struct in6_addr in6addr_loopback; williamr@2: #if __BSD_VISIBLE williamr@2: extern const struct in6_addr in6addr_nodelocal_allnodes; williamr@2: extern const struct in6_addr in6addr_linklocal_allnodes; williamr@2: extern const struct in6_addr in6addr_linklocal_allrouters; williamr@2: #endif williamr@2: #endif//__SYMBIAN32__ williamr@2: williamr@2: /* williamr@2: * Equality williamr@2: * NOTE: Some of kernel programming environment (for example, openbsd/sparc) williamr@2: * does not supply memcmp(). For userland memcmp() is preferred as it is williamr@2: * in ANSI standard. williamr@2: */ williamr@2: #ifdef _KERNEL williamr@2: #define IN6_ARE_ADDR_EQUAL(a, b) \ williamr@2: (bcmp(&(a)->s6_addr[0], &(b)->s6_addr[0], sizeof(struct in6_addr)) == 0) williamr@2: #else williamr@2: #if __BSD_VISIBLE williamr@2: #define IN6_ARE_ADDR_EQUAL(a, b) \ williamr@2: (memcmp(&(a)->s6_addr[0], &(b)->s6_addr[0], sizeof(struct in6_addr)) == 0) williamr@2: #endif williamr@2: #endif williamr@2: williamr@2: #ifdef _KERNEL /* non standard */ williamr@2: /* see if two addresses are equal in a scope-conscious manner. */ williamr@2: #define SA6_ARE_ADDR_EQUAL(a, b) \ williamr@2: (((a)->sin6_scope_id == 0 || (b)->sin6_scope_id == 0 || \ williamr@2: ((a)->sin6_scope_id == (b)->sin6_scope_id)) && \ williamr@2: (bcmp(&(a)->sin6_addr, &(b)->sin6_addr, sizeof(struct in6_addr)) == 0)) williamr@2: #endif williamr@2: williamr@2: /* williamr@2: * Unspecified williamr@2: */ williamr@2: #define IN6_IS_ADDR_UNSPECIFIED(a) \ williamr@2: ((*(const u_int32_t *)(const void *)(&(a)->s6_addr[0]) == 0) && \ williamr@2: (*(const u_int32_t *)(const void *)(&(a)->s6_addr[4]) == 0) && \ williamr@2: (*(const u_int32_t *)(const void *)(&(a)->s6_addr[8]) == 0) && \ williamr@2: (*(const u_int32_t *)(const void *)(&(a)->s6_addr[12]) == 0)) williamr@2: williamr@2: /* williamr@2: * Loopback williamr@2: */ williamr@2: #define IN6_IS_ADDR_LOOPBACK(a) \ williamr@2: ((*(const u_int32_t *)(const void *)(&(a)->s6_addr[0]) == 0) && \ williamr@2: (*(const u_int32_t *)(const void *)(&(a)->s6_addr[4]) == 0) && \ williamr@2: (*(const u_int32_t *)(const void *)(&(a)->s6_addr[8]) == 0) && \ williamr@2: (*(const u_int32_t *)(const void *)(&(a)->s6_addr[12]) == ntohl(1))) williamr@2: williamr@2: /* williamr@2: * IPv4 compatible williamr@2: */ williamr@2: #define IN6_IS_ADDR_V4COMPAT(a) \ williamr@2: ((*(const u_int32_t *)(const void *)(&(a)->s6_addr[0]) == 0) && \ williamr@2: (*(const u_int32_t *)(const void *)(&(a)->s6_addr[4]) == 0) && \ williamr@2: (*(const u_int32_t *)(const void *)(&(a)->s6_addr[8]) == 0) && \ williamr@2: (*(const u_int32_t *)(const void *)(&(a)->s6_addr[12]) != 0) && \ williamr@2: (*(const u_int32_t *)(const void *)(&(a)->s6_addr[12]) != ntohl(1))) williamr@2: williamr@2: /* williamr@2: * Mapped williamr@2: */ williamr@2: #define IN6_IS_ADDR_V4MAPPED(a) \ williamr@2: ((*(const u_int32_t *)(const void *)(&(a)->s6_addr[0]) == 0) && \ williamr@2: (*(const u_int32_t *)(const void *)(&(a)->s6_addr[4]) == 0) && \ williamr@2: (*(const u_int32_t *)(const void *)(&(a)->s6_addr[8]) == ntohl(0x0000ffff))) williamr@2: williamr@2: /* williamr@2: * KAME Scope Values williamr@2: */ williamr@2: williamr@2: #ifdef _KERNEL /* XXX nonstandard */ williamr@2: #define IPV6_ADDR_SCOPE_NODELOCAL 0x01 williamr@2: #define IPV6_ADDR_SCOPE_INTFACELOCAL 0x01 williamr@2: #define IPV6_ADDR_SCOPE_LINKLOCAL 0x02 williamr@2: #define IPV6_ADDR_SCOPE_SITELOCAL 0x05 williamr@2: #define IPV6_ADDR_SCOPE_ORGLOCAL 0x08 /* just used in this file */ williamr@2: #define IPV6_ADDR_SCOPE_GLOBAL 0x0e williamr@2: #else williamr@2: #define __IPV6_ADDR_SCOPE_NODELOCAL 0x01 williamr@2: #define __IPV6_ADDR_SCOPE_INTFACELOCAL 0x01 williamr@2: #define __IPV6_ADDR_SCOPE_LINKLOCAL 0x02 williamr@2: #define __IPV6_ADDR_SCOPE_SITELOCAL 0x05 williamr@2: #define __IPV6_ADDR_SCOPE_ORGLOCAL 0x08 /* just used in this file */ williamr@2: #define __IPV6_ADDR_SCOPE_GLOBAL 0x0e williamr@2: #endif williamr@2: williamr@2: /* williamr@2: * Unicast Scope williamr@2: * Note that we must check topmost 10 bits only, not 16 bits (see RFC2373). williamr@2: */ williamr@2: #define IN6_IS_ADDR_LINKLOCAL(a) \ williamr@2: (((a)->s6_addr[0] == 0xfe) && (((a)->s6_addr[1] & 0xc0) == 0x80)) williamr@2: #define IN6_IS_ADDR_SITELOCAL(a) \ williamr@2: (((a)->s6_addr[0] == 0xfe) && (((a)->s6_addr[1] & 0xc0) == 0xc0)) williamr@2: williamr@2: /* williamr@2: * Multicast williamr@2: */ williamr@2: #define IN6_IS_ADDR_MULTICAST(a) ((a)->s6_addr[0] == 0xff) williamr@2: williamr@2: #ifdef _KERNEL /* XXX nonstandard */ williamr@2: #define IPV6_ADDR_MC_SCOPE(a) ((a)->s6_addr[1] & 0x0f) williamr@2: #else williamr@2: #define __IPV6_ADDR_MC_SCOPE(a) ((a)->s6_addr[1] & 0x0f) williamr@2: #endif williamr@2: williamr@2: /* williamr@2: * Multicast Scope williamr@2: */ williamr@2: #ifdef _KERNEL /* refers nonstandard items */ williamr@2: #define IN6_IS_ADDR_MC_NODELOCAL(a) \ williamr@2: (IN6_IS_ADDR_MULTICAST(a) && \ williamr@2: (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_NODELOCAL)) williamr@2: #define IN6_IS_ADDR_MC_INTFACELOCAL(a) \ williamr@2: (IN6_IS_ADDR_MULTICAST(a) && \ williamr@2: (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_INTFACELOCAL)) williamr@2: #define IN6_IS_ADDR_MC_LINKLOCAL(a) \ williamr@2: (IN6_IS_ADDR_MULTICAST(a) && \ williamr@2: (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_LINKLOCAL)) williamr@2: #define IN6_IS_ADDR_MC_SITELOCAL(a) \ williamr@2: (IN6_IS_ADDR_MULTICAST(a) && \ williamr@2: (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_SITELOCAL)) williamr@2: #define IN6_IS_ADDR_MC_ORGLOCAL(a) \ williamr@2: (IN6_IS_ADDR_MULTICAST(a) && \ williamr@2: (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_ORGLOCAL)) williamr@2: #define IN6_IS_ADDR_MC_GLOBAL(a) \ williamr@2: (IN6_IS_ADDR_MULTICAST(a) && \ williamr@2: (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_GLOBAL)) williamr@2: #else williamr@2: #define IN6_IS_ADDR_MC_NODELOCAL(a) \ williamr@2: (IN6_IS_ADDR_MULTICAST(a) && \ williamr@2: (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_NODELOCAL)) williamr@2: #define IN6_IS_ADDR_MC_LINKLOCAL(a) \ williamr@2: (IN6_IS_ADDR_MULTICAST(a) && \ williamr@2: (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_LINKLOCAL)) williamr@2: #define IN6_IS_ADDR_MC_SITELOCAL(a) \ williamr@2: (IN6_IS_ADDR_MULTICAST(a) && \ williamr@2: (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_SITELOCAL)) williamr@2: #define IN6_IS_ADDR_MC_ORGLOCAL(a) \ williamr@2: (IN6_IS_ADDR_MULTICAST(a) && \ williamr@2: (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_ORGLOCAL)) williamr@2: #define IN6_IS_ADDR_MC_GLOBAL(a) \ williamr@2: (IN6_IS_ADDR_MULTICAST(a) && \ williamr@2: (__IPV6_ADDR_MC_SCOPE(a) == __IPV6_ADDR_SCOPE_GLOBAL)) williamr@2: #endif williamr@2: williamr@2: #ifdef _KERNEL /* nonstandard */ williamr@2: /* williamr@2: * KAME Scope williamr@2: */ williamr@2: #define IN6_IS_SCOPE_LINKLOCAL(a) \ williamr@2: ((IN6_IS_ADDR_LINKLOCAL(a)) || \ williamr@2: (IN6_IS_ADDR_MC_LINKLOCAL(a))) williamr@2: williamr@2: #define IFA6_IS_DEPRECATED(a) \ williamr@2: ((a)->ia6_lifetime.ia6t_preferred != 0 && \ williamr@2: (a)->ia6_lifetime.ia6t_preferred < time_second) williamr@2: #define IFA6_IS_INVALID(a) \ williamr@2: ((a)->ia6_lifetime.ia6t_expire != 0 && \ williamr@2: (a)->ia6_lifetime.ia6t_expire < time_second) williamr@2: #endif /* _KERNEL */ williamr@2: williamr@2: /* williamr@2: * IP6 route structure williamr@2: */ williamr@2: #if __BSD_VISIBLE williamr@2: struct route_in6 { williamr@2: struct rtentry *ro_rt; williamr@2: struct sockaddr_in6 ro_dst; williamr@2: }; williamr@2: #endif williamr@2: williamr@2: /* williamr@2: * Options for use with [gs]etsockopt at the IPV6 level. williamr@2: * First word of comment is data type; bool is stored in int. williamr@2: */ williamr@2: /* no hdrincl */ williamr@2: #if 0 /* the followings are relic in IPv4 and hence are disabled */ williamr@2: #define IPV6_OPTIONS 1 /* buf/ip6_opts; set/get IP6 options */ williamr@2: #define IPV6_RECVOPTS 5 /* bool; receive all IP6 opts w/dgram */ williamr@2: #define IPV6_RECVRETOPTS 6 /* bool; receive IP6 opts for response */ williamr@2: #define IPV6_RECVDSTADDR 7 /* bool; receive IP6 dst addr w/dgram */ williamr@2: #define IPV6_RETOPTS 8 /* ip6_opts; set/get IP6 options */ williamr@2: #endif williamr@2: #define IPV6_SOCKOPT_RESERVED1 3 /* reserved for future use */ williamr@2: #define IPV6_UNICAST_HOPS 4 /* int; IP6 hops */ williamr@2: #define IPV6_MULTICAST_IF 9 /* u_int; set/get IP6 multicast i/f */ williamr@2: #define IPV6_MULTICAST_HOPS 10 /* int; set/get IP6 multicast hops */ williamr@2: #define IPV6_MULTICAST_LOOP 11 /* u_int; set/get IP6 multicast loopback */ williamr@2: #define IPV6_JOIN_GROUP 12 /* ip6_mreq; join a group membership */ williamr@2: #define IPV6_LEAVE_GROUP 13 /* ip6_mreq; leave a group membership */ williamr@2: #define IPV6_PORTRANGE 14 /* int; range to choose for unspec port */ williamr@2: #define ICMP6_FILTER 18 /* icmp6_filter; icmp6 filter */ williamr@2: /* RFC2292 options */ williamr@2: #ifdef _KERNEL williamr@2: #define IPV6_2292PKTINFO 19 /* bool; send/recv if, src/dst addr */ williamr@2: #define IPV6_2292HOPLIMIT 20 /* bool; hop limit */ williamr@2: #define IPV6_2292NEXTHOP 21 /* bool; next hop addr */ williamr@2: #define IPV6_2292HOPOPTS 22 /* bool; hop-by-hop option */ williamr@2: #define IPV6_2292DSTOPTS 23 /* bool; destinaion option */ williamr@2: #define IPV6_2292RTHDR 24 /* bool; routing header */ williamr@2: #define IPV6_2292PKTOPTIONS 25 /* buf/cmsghdr; set/get IPv6 options */ williamr@2: #endif williamr@2: williamr@2: #define IPV6_CHECKSUM 26 /* int; checksum offset for raw socket */ williamr@2: #define IPV6_V6ONLY 27 /* bool; make AF_INET6 sockets v6 only */ williamr@2: #ifndef _KERNEL williamr@2: #define IPV6_BINDV6ONLY IPV6_V6ONLY williamr@2: #endif williamr@2: williamr@2: #if 1 /* IPSEC */ williamr@2: #define IPV6_IPSEC_POLICY 28 /* struct; get/set security policy */ williamr@2: #endif williamr@2: #define IPV6_FAITH 29 /* bool; accept FAITH'ed connections */ williamr@2: williamr@2: #if 1 /* IPV6FIREWALL */ williamr@2: #define IPV6_FW_ADD 30 /* add a firewall rule to chain */ williamr@2: #define IPV6_FW_DEL 31 /* delete a firewall rule from chain */ williamr@2: #define IPV6_FW_FLUSH 32 /* flush firewall rule chain */ williamr@2: #define IPV6_FW_ZERO 33 /* clear single/all firewall counter(s) */ williamr@2: #define IPV6_FW_GET 34 /* get entire firewall rule chain */ williamr@2: #endif williamr@2: williamr@2: /* new socket options introduced in RFC3542 */ williamr@2: #define IPV6_RTHDRDSTOPTS 35 /* ip6_dest; send dst option before rthdr */ williamr@2: williamr@2: #define IPV6_RECVPKTINFO 36 /* bool; recv if, dst addr */ williamr@2: #define IPV6_RECVHOPLIMIT 37 /* bool; recv hop limit */ williamr@2: #define IPV6_RECVRTHDR 38 /* bool; recv routing header */ williamr@2: #define IPV6_RECVHOPOPTS 39 /* bool; recv hop-by-hop option */ williamr@2: #define IPV6_RECVDSTOPTS 40 /* bool; recv dst option after rthdr */ williamr@2: #ifdef _KERNEL williamr@2: #define IPV6_RECVRTHDRDSTOPTS 41 /* bool; recv dst option before rthdr */ williamr@2: #endif williamr@2: williamr@2: #define IPV6_USE_MIN_MTU 42 /* bool; send packets at the minimum MTU */ williamr@2: #define IPV6_RECVPATHMTU 43 /* bool; notify an according MTU */ williamr@2: williamr@2: #define IPV6_PATHMTU 44 /* mtuinfo; get the current path MTU (sopt), williamr@2: 4 bytes int; MTU notification (cmsg) */ williamr@2: #if 0 /*obsoleted during 2292bis -> 3542*/ williamr@2: #define IPV6_REACHCONF 45 /* no data; ND reachability confirm williamr@2: (cmsg only/not in of RFC3542) */ williamr@2: #endif williamr@2: williamr@2: /* more new socket options introduced in RFC3542 */ williamr@2: #define IPV6_PKTINFO 46 /* in6_pktinfo; send if, src addr */ williamr@2: #define IPV6_HOPLIMIT 47 /* int; send hop limit */ williamr@2: #define IPV6_NEXTHOP 48 /* sockaddr; next hop addr */ williamr@2: #define IPV6_HOPOPTS 49 /* ip6_hbh; send hop-by-hop option */ williamr@2: #define IPV6_DSTOPTS 50 /* ip6_dest; send dst option befor rthdr */ williamr@2: #define IPV6_RTHDR 51 /* ip6_rthdr; send routing header */ williamr@2: #if 0 williamr@2: #define IPV6_PKTOPTIONS 52 /* buf/cmsghdr; set/get IPv6 options */ williamr@2: /* obsoleted by RFC3542 */ williamr@2: #endif williamr@2: williamr@2: #define IPV6_RECVTCLASS 57 /* bool; recv traffic class values */ williamr@2: williamr@2: #define IPV6_AUTOFLOWLABEL 59 /* bool; attach flowlabel automagically */ williamr@2: williamr@2: #define IPV6_TCLASS 61 /* int; send traffic class value */ williamr@2: #define IPV6_DONTFRAG 62 /* bool; disable IPv6 fragmentation */ williamr@2: williamr@2: #define IPV6_PREFER_TEMPADDR 63 /* int; prefer temporary addresses as williamr@2: * the source address. williamr@2: */ williamr@2: williamr@2: /* to define items, should talk with KAME guys first, for *BSD compatibility */ williamr@2: williamr@2: #define IPV6_RTHDR_LOOSE 0 /* this hop need not be a neighbor. XXX old spec */ williamr@2: #define IPV6_RTHDR_STRICT 1 /* this hop must be a neighbor. XXX old spec */ williamr@2: #define IPV6_RTHDR_TYPE_0 0 /* IPv6 routing header type 0 */ williamr@2: williamr@2: /* williamr@2: * Defaults and limits for options williamr@2: */ williamr@2: #define IPV6_DEFAULT_MULTICAST_HOPS 1 /* normally limit m'casts to 1 hop */ williamr@2: #define IPV6_DEFAULT_MULTICAST_LOOP 1 /* normally hear sends if a member */ williamr@2: williamr@2: /* williamr@2: * Argument structure for IPV6_JOIN_GROUP and IPV6_LEAVE_GROUP. williamr@2: */ williamr@2: struct ipv6_mreq { williamr@2: struct in6_addr ipv6mr_multiaddr; williamr@2: unsigned int ipv6mr_interface; williamr@2: }; williamr@2: williamr@2: /* williamr@2: * IPV6_PKTINFO: Packet information(RFC2292 sec 5) williamr@2: */ williamr@2: struct in6_pktinfo { williamr@2: struct in6_addr ipi6_addr; /* src/dst IPv6 address */ williamr@2: unsigned int ipi6_ifindex; /* send/recv interface index */ williamr@2: }; williamr@2: williamr@2: /* williamr@2: * Control structure for IPV6_RECVPATHMTU socket option. williamr@2: */ williamr@2: struct ip6_mtuinfo { williamr@2: struct sockaddr_in6 ip6m_addr; /* or sockaddr_storage? */ williamr@2: uint32_t ip6m_mtu; williamr@2: }; williamr@2: williamr@2: /* williamr@2: * Argument for IPV6_PORTRANGE: williamr@2: * - which range to search when port is unspecified at bind() or connect() williamr@2: */ williamr@2: #define IPV6_PORTRANGE_DEFAULT 0 /* default range */ williamr@2: #define IPV6_PORTRANGE_HIGH 1 /* "high" - request firewall bypass */ williamr@2: #define IPV6_PORTRANGE_LOW 2 /* "low" - vouchsafe security */ williamr@2: williamr@2: #if __BSD_VISIBLE williamr@2: /* williamr@2: * Definitions for inet6 sysctl operations. williamr@2: * williamr@2: * Third level is protocol number. williamr@2: * Fourth level is desired variable within that protocol. williamr@2: */ williamr@2: #define IPV6PROTO_MAXID (IPPROTO_PIM + 1) /* don't list to IPV6PROTO_MAX */ williamr@2: williamr@2: /* williamr@2: * Names for IP sysctl objects williamr@2: */ williamr@2: #define IPV6CTL_FORWARDING 1 /* act as router */ williamr@2: #define IPV6CTL_SENDREDIRECTS 2 /* may send redirects when forwarding*/ williamr@2: #define IPV6CTL_DEFHLIM 3 /* default Hop-Limit */ williamr@2: #ifdef notyet williamr@2: #define IPV6CTL_DEFMTU 4 /* default MTU */ williamr@2: #endif williamr@2: #define IPV6CTL_FORWSRCRT 5 /* forward source-routed dgrams */ williamr@2: #define IPV6CTL_STATS 6 /* stats */ williamr@2: #define IPV6CTL_MRTSTATS 7 /* multicast forwarding stats */ williamr@2: #define IPV6CTL_MRTPROTO 8 /* multicast routing protocol */ williamr@2: #define IPV6CTL_MAXFRAGPACKETS 9 /* max packets reassembly queue */ williamr@2: #define IPV6CTL_SOURCECHECK 10 /* verify source route and intf */ williamr@2: #define IPV6CTL_SOURCECHECK_LOGINT 11 /* minimume logging interval */ williamr@2: #define IPV6CTL_ACCEPT_RTADV 12 williamr@2: #define IPV6CTL_KEEPFAITH 13 williamr@2: #define IPV6CTL_LOG_INTERVAL 14 williamr@2: #define IPV6CTL_HDRNESTLIMIT 15 williamr@2: #define IPV6CTL_DAD_COUNT 16 williamr@2: #define IPV6CTL_AUTO_FLOWLABEL 17 williamr@2: #define IPV6CTL_DEFMCASTHLIM 18 williamr@2: #define IPV6CTL_GIF_HLIM 19 /* default HLIM for gif encap packet */ williamr@2: #define IPV6CTL_KAME_VERSION 20 williamr@2: #define IPV6CTL_USE_DEPRECATED 21 /* use deprecated addr (RFC2462 5.5.4) */ williamr@2: #define IPV6CTL_RR_PRUNE 22 /* walk timer for router renumbering */ williamr@2: #if 0 /* obsolete */ williamr@2: #define IPV6CTL_MAPPED_ADDR 23 williamr@2: #endif williamr@2: #define IPV6CTL_V6ONLY 24 williamr@2: #define IPV6CTL_RTEXPIRE 25 /* cloned route expiration time */ williamr@2: #define IPV6CTL_RTMINEXPIRE 26 /* min value for expiration time */ williamr@2: #define IPV6CTL_RTMAXCACHE 27 /* trigger level for dynamic expire */ williamr@2: williamr@2: #define IPV6CTL_USETEMPADDR 32 /* use temporary addresses (RFC3041) */ williamr@2: #define IPV6CTL_TEMPPLTIME 33 /* preferred lifetime for tmpaddrs */ williamr@2: #define IPV6CTL_TEMPVLTIME 34 /* valid lifetime for tmpaddrs */ williamr@2: #define IPV6CTL_AUTO_LINKLOCAL 35 /* automatic link-local addr assign */ williamr@2: #define IPV6CTL_RIP6STATS 36 /* raw_ip6 stats */ williamr@2: #define IPV6CTL_PREFER_TEMPADDR 37 /* prefer temporary addr as src */ williamr@2: #define IPV6CTL_ADDRCTLPOLICY 38 /* get/set address selection policy */ williamr@2: williamr@2: #define IPV6CTL_MAXFRAGS 41 /* max fragments */ williamr@2: williamr@2: /* New entries should be added here from current IPV6CTL_MAXID value. */ williamr@2: /* to define items, should talk with KAME guys first, for *BSD compatibility */ williamr@2: /* 42-44 is already used in KAME */ williamr@2: #define IPV6CTL_STEALTH 45 williamr@2: #define IPV6CTL_MAXID 46 williamr@2: #endif /* __BSD_VISIBLE */ williamr@2: williamr@2: /* williamr@2: * Redefinition of mbuf flags williamr@2: */ williamr@2: #define M_AUTHIPHDR M_PROTO2 williamr@2: #define M_DECRYPTED M_PROTO3 williamr@2: #define M_LOOP M_PROTO4 williamr@2: #define M_AUTHIPDGM M_PROTO5 williamr@2: williamr@2: #ifdef _KERNEL williamr@2: struct cmsghdr; williamr@2: williamr@2: struct sockaddr; williamr@2: extern u_char ip6_protox[]; williamr@2: #define satosin6(sa) ((struct sockaddr_in6 *)(sa)) williamr@2: #define sin6tosa(sin6) ((struct sockaddr *)(sin6)) williamr@2: #define ifatoia6(ifa) ((struct in6_ifaddr *)(ifa)) williamr@2: williamr@2: extern int (*faithprefix_p)(struct in6_addr *); williamr@2: #endif /* _KERNEL */ williamr@2: williamr@2: #ifndef _SIZE_T_DECLARED williamr@2: typedef __size_t size_t; williamr@2: #define _SIZE_T_DECLARED williamr@2: #endif williamr@2: williamr@2: #ifndef _SOCKLEN_T_DECLARED williamr@2: typedef __socklen_t socklen_t; williamr@2: #define _SOCKLEN_T_DECLARED williamr@2: #endif williamr@2: williamr@2: #if __BSD_VISIBLE williamr@2: williamr@2: __BEGIN_DECLS williamr@2: struct cmsghdr; williamr@2: __END_DECLS williamr@2: williamr@2: #endif /* __BSD_VISIBLE */ williamr@2: williamr@2: #endif /* !_NETINET6_IN6_H_ */