70ada0957e
- loosen ipsec restriction on packet diredtion. - revise icmp6 redirect handling on IsRouter bit. - tcp/udp notification processing (link-local address case) - cosmetic fixes (better code share across *BSD).
654 lines
21 KiB
C
654 lines
21 KiB
C
/* $NetBSD: icmp6.h,v 1.4 1999/07/31 18:41:16 itojun Exp $ */
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/*
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* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the project nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*
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* Copyright (c) 1982, 1986, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)ip_icmp.h 8.1 (Berkeley) 6/10/93
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*/
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#ifndef _NETINET6_ICMPV6_H_
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#define _NETINET6_ICMPV6_H_
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#define ICMPV6_PLD_MAXLEN 1232 /* IPV6_MMTU - sizeof(struct ip6_hdr)
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- sizeof(struct icmp6_hdr) */
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struct icmp6_hdr {
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u_int8_t icmp6_type; /* type field */
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u_int8_t icmp6_code; /* code field */
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u_int16_t icmp6_cksum; /* checksum field */
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union {
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u_int32_t icmp6_un_data32[1]; /* type-specific field */
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u_int16_t icmp6_un_data16[2]; /* type-specific field */
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u_int8_t icmp6_un_data8[4]; /* type-specific field */
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} icmp6_dataun;
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};
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#define icmp6_data32 icmp6_dataun.icmp6_un_data32
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#define icmp6_data16 icmp6_dataun.icmp6_un_data16
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#define icmp6_data8 icmp6_dataun.icmp6_un_data8
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#define icmp6_pptr icmp6_data32[0] /* parameter prob */
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#define icmp6_mtu icmp6_data32[0] /* packet too big */
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#define icmp6_id icmp6_data16[0] /* echo request/reply */
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#define icmp6_seq icmp6_data16[1] /* echo request/reply */
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#define icmp6_maxdelay icmp6_data16[0] /* mcast group membership */
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#define ICMP6_DST_UNREACH 1 /* dest unreachable, codes: */
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#define ICMP6_PACKET_TOO_BIG 2 /* packet too big */
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#define ICMP6_TIME_EXCEEDED 3 /* time exceeded, code: */
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#define ICMP6_PARAM_PROB 4 /* ip6 header bad */
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#define ICMP6_ECHO_REQUEST 128 /* echo service */
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#define ICMP6_ECHO_REPLY 129 /* echo reply */
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#define ICMP6_MEMBERSHIP_QUERY 130 /* group membership query */
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#define MLD6_LISTENER_QUERY 130 /* multicast listener query */
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#define ICMP6_MEMBERSHIP_REPORT 131 /* group membership report */
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#define MLD6_LISTENER_REPORT 131 /* multicast listener report */
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#define ICMP6_MEMBERSHIP_REDUCTION 132 /* group membership termination */
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#define MLD6_LISTENER_DONE 132 /* multicast listener done */
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#define ND_ROUTER_SOLICIT 133 /* router solicitation */
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#define ND_ROUTER_ADVERT 134 /* router advertisment */
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#define ND_NEIGHBOR_SOLICIT 135 /* neighbor solicitation */
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#define ND_NEIGHBOR_ADVERT 136 /* neighbor advertisment */
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#define ND_REDIRECT 137 /* redirect */
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#define ICMP6_ROUTER_RENUMBERING 138 /* router renumbering */
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#define ICMP6_WRUREQUEST 139 /* who are you request */
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#define ICMP6_WRUREPLY 140 /* who are you reply */
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#define ICMP6_FQDN_QUERY 139 /* FQDN query */
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#define ICMP6_FQDN_REPLY 140 /* FQDN reply */
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#define ICMP6_NI_QUERY 139 /* node information request */
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#define ICMP6_NI_REPLY 140 /* node information reply */
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/* The definitions below are experimental. TBA */
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#define MLD6_MTRACE_RESP 141 /* mtrace response(to sender) */
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#define MLD6_MTRACE 142 /* mtrace messages */
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#define ICMP6_MAXTYPE 142
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#define ICMP6_DST_UNREACH_NOROUTE 0 /* no route to destination */
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#define ICMP6_DST_UNREACH_ADMIN 1 /* administratively prohibited */
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#define ICMP6_DST_UNREACH_NOTNEIGHBOR 2 /* not a neighbor(obsolete) */
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#define ICMP6_DST_UNREACH_BEYONDSCOPE 2 /* beyond scope of source address */
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#define ICMP6_DST_UNREACH_ADDR 3 /* address unreachable */
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#define ICMP6_DST_UNREACH_NOPORT 4 /* port unreachable */
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#define ICMP6_TIME_EXCEED_TRANSIT 0 /* ttl==0 in transit */
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#define ICMP6_TIME_EXCEED_REASSEMBLY 1 /* ttl==0 in reass */
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#define ICMP6_PARAMPROB_HEADER 0 /* erroneous header field */
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#define ICMP6_PARAMPROB_NEXTHEADER 1 /* unrecognized next header */
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#define ICMP6_PARAMPROB_OPTION 2 /* unrecognized option */
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#define ICMP6_INFOMSG_MASK 0x80 /* all informational messages */
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#define ICMP6_NI_SUCESS 0 /* node information successful reply */
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#define ICMP6_NI_REFUSED 1 /* node information request is refused */
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#define ICMP6_NI_UNKNOWN 2 /* unknown Qtype */
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#define ICMP6_ROUTER_RENUMBERING_COMMAND 0 /* rr command */
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#define ICMP6_ROUTER_RENUMBERING_RESULT 1 /* rr result */
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#define ICMP6_ROUTER_RENUMBERING_SEQNUM_RESET 255 /* rr seq num reset */
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/* Used in kernel only */
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#define ND_REDIRECT_ONLINK 0 /* redirect to an on-link node */
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#define ND_REDIRECT_ROUTER 1 /* redirect to a better router */
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/*
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* Multicast Listener Discovery
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*/
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struct mld6_hdr {
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struct icmp6_hdr mld6_hdr;
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struct in6_addr mld6_addr; /* multicast address */
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};
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#define mld6_type mld6_hdr.icmp6_type
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#define mld6_code mld6_hdr.icmp6_code
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#define mld6_cksum mld6_hdr.icmp6_cksum
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#define mld6_maxdelay mld6_hdr.icmp6_data16[0]
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#define mld6_reserved mld6_hdr.icmp6_data16[1]
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/*
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* Neighbor Discovery
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*/
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struct nd_router_solicit { /* router solicitation */
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struct icmp6_hdr nd_rs_hdr;
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/* could be followed by options */
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};
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#define nd_rs_type nd_rs_hdr.icmp6_type
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#define nd_rs_code nd_rs_hdr.icmp6_code
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#define nd_rs_cksum nd_rs_hdr.icmp6_cksum
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#define nd_rs_reserved nd_rs_hdr.icmp6_data32[0]
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struct nd_router_advert { /* router advertisement */
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struct icmp6_hdr nd_ra_hdr;
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u_int32_t nd_ra_reachable; /* reachable time */
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u_int32_t nd_ra_retransmit; /* retransmit timer */
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/* could be followed by options */
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};
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#define nd_ra_type nd_ra_hdr.icmp6_type
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#define nd_ra_code nd_ra_hdr.icmp6_code
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#define nd_ra_cksum nd_ra_hdr.icmp6_cksum
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#define nd_ra_curhoplimit nd_ra_hdr.icmp6_data8[0]
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#define nd_ra_flags_reserved nd_ra_hdr.icmp6_data8[1]
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#define ND_RA_FLAG_MANAGED 0x80
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#define ND_RA_FLAG_OTHER 0x40
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#define nd_ra_router_lifetime nd_ra_hdr.icmp6_data16[1]
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struct nd_neighbor_solicit { /* neighbor solicitation */
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struct icmp6_hdr nd_ns_hdr;
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struct in6_addr nd_ns_target; /*target address */
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/* could be followed by options */
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};
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#define nd_ns_type nd_ns_hdr.icmp6_type
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#define nd_ns_code nd_ns_hdr.icmp6_code
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#define nd_ns_cksum nd_ns_hdr.icmp6_cksum
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#define nd_ns_reserved nd_ns_hdr.icmp6_data32[0]
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struct nd_neighbor_advert { /* neighbor advertisement */
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struct icmp6_hdr nd_na_hdr;
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struct in6_addr nd_na_target; /* target address */
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/* could be followed by options */
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};
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#define nd_na_type nd_na_hdr.icmp6_type
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#define nd_na_code nd_na_hdr.icmp6_code
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#define nd_na_cksum nd_na_hdr.icmp6_cksum
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#define nd_na_flags_reserved nd_na_hdr.icmp6_data32[0]
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#if BYTE_ORDER == BIG_ENDIAN
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#define ND_NA_FLAG_ROUTER 0x80000000
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#define ND_NA_FLAG_SOLICITED 0x40000000
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#define ND_NA_FLAG_OVERRIDE 0x20000000
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#elif BYTE_ORDER == LITTLE_ENDIAN
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#define ND_NA_FLAG_ROUTER 0x80
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#define ND_NA_FLAG_SOLICITED 0x40
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#define ND_NA_FLAG_OVERRIDE 0x20
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#endif
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struct nd_redirect { /* redirect */
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struct icmp6_hdr nd_rd_hdr;
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struct in6_addr nd_rd_target; /* target address */
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struct in6_addr nd_rd_dst; /* destination address */
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/* could be followed by options */
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};
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#define nd_rd_type nd_rd_hdr.icmp6_type
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#define nd_rd_code nd_rd_hdr.icmp6_code
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#define nd_rd_cksum nd_rd_hdr.icmp6_cksum
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#define nd_rd_reserved nd_rd_hdr.icmp6_data32[0]
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struct nd_opt_hdr { /* Neighbor discovery option header */
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u_int8_t nd_opt_type;
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u_int8_t nd_opt_len;
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/* followed by option specific data*/
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};
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#define ND_OPT_SOURCE_LINKADDR 1
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#define ND_OPT_TARGET_LINKADDR 2
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#define ND_OPT_PREFIX_INFORMATION 3
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#define ND_OPT_REDIRECTED_HEADER 4
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#define ND_OPT_MTU 5
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struct nd_opt_prefix_info { /* prefix information */
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u_int8_t nd_opt_pi_type;
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u_int8_t nd_opt_pi_len;
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u_int8_t nd_opt_pi_prefix_len;
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u_int8_t nd_opt_pi_flags_reserved;
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u_int32_t nd_opt_pi_valid_time;
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u_int32_t nd_opt_pi_preferred_time;
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u_int32_t nd_opt_pi_reserved2;
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struct in6_addr nd_opt_pi_prefix;
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};
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#define ND_OPT_PI_FLAG_ONLINK 0x80
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#define ND_OPT_PI_FLAG_AUTO 0x40
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struct nd_opt_rd_hdr { /* redirected header */
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u_int8_t nd_opt_rh_type;
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u_int8_t nd_opt_rh_len;
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u_int16_t nd_opt_rh_reserved1;
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u_int32_t nd_opt_rh_reserved2;
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/* followed by IP header and data */
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};
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struct nd_opt_mtu { /* MTU option */
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u_int8_t nd_opt_mtu_type;
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u_int8_t nd_opt_mtu_len;
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u_int16_t nd_opt_mtu_reserved;
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u_int32_t nd_opt_mtu_mtu;
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};
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/*
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* icmp6 namelookup
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*/
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struct icmp6_namelookup {
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struct icmp6_hdr icmp6_nl_hdr;
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u_int64_t icmp6_nl_nonce;
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u_int32_t icmp6_nl_ttl;
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#if 0
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u_int8_t icmp6_nl_len;
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u_int8_t icmp6_nl_name[3];
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#endif
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/* could be followed by options */
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};
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/*
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* icmp6 node information
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*/
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struct icmp6_nodeinfo {
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struct icmp6_hdr icmp6_ni_hdr;
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u_int64_t icmp6_ni_nonce;
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/* could be followed by reply data */
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};
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#define ni_type icmp6_ni_hdr.icmp6_type
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#define ni_code icmp6_ni_hdr.icmp6_code
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#define ni_cksum icmp6_ni_hdr.icmp6_cksum
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#define ni_qtype icmp6_ni_hdr.icmp6_data16[0]
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#define ni_flags icmp6_ni_hdr.icmp6_data16[1]
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#define NI_QTYPE_NOOP 0 /* NOOP */
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#define NI_QTYPE_SUPTYPES 1 /* Supported Qtypes */
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#define NI_QTYPE_FQDN 2 /* FQDN */
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#define NI_QTYPE_NODEADDR 3 /* Node Addresses. XXX: spec says 2, but it may be a typo... */
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#if BYTE_ORDER == BIG_ENDIAN
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#define NI_SUPTYPE_FLAG_COMPRESS 0x1
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#define NI_FQDN_FLAG_VALIDTTL 0x1
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#define NI_NODEADDR_FLAG_LINKLOCAL 0x1
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#define NI_NODEADDR_FLAG_SITELOCAL 0x2
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#define NI_NODEADDR_FLAG_GLOBAL 0x4
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#define NI_NODEADDR_FLAG_ALL 0x8
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#define NI_NODEADDR_FLAG_TRUNCATE 0x10
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#elif BYTE_ORDER == LITTLE_ENDIAN
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#define NI_SUPTYPE_FLAG_COMPRESS 0x0100
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#define NI_FQDN_FLAG_VALIDTTL 0x0100
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#define NI_NODEADDR_FLAG_LINKLOCAL 0x0100
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#define NI_NODEADDR_FLAG_SITELOCAL 0x0200
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#define NI_NODEADDR_FLAG_GLOBAL 0x0400
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#define NI_NODEADDR_FLAG_ALL 0x0800
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#define NI_NODEADDR_FLAG_TRUNCATE 0x1000
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#endif
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struct ni_reply_fqdn {
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u_int32_t ni_fqdn_ttl; /* TTL */
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u_int8_t ni_fqdn_namelen; /* length in octets of the FQDN */
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u_int8_t ni_fqdn_name[3]; /* XXX: alignment */
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};
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/*
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* Router Renumbering. as router-renum-08.txt
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*/
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#if BYTE_ORDER == BIG_ENDIAN /* net byte order */
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struct icmp6_router_renum { /* router renumbering header */
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struct icmp6_hdr rr_hdr;
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u_int8_t rr_segnum;
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u_int8_t rr_test : 1;
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u_int8_t rr_reqresult : 1;
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u_int8_t rr_forceapply : 1;
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u_int8_t rr_specsite : 1;
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u_int8_t rr_prevdone : 1;
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u_int8_t rr_flags_reserved : 3;
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u_int16_t rr_maxdelay;
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u_int32_t rr_reserved;
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};
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#elif BYTE_ORDER == LITTLE_ENDIAN
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struct icmp6_router_renum { /* router renumbering header */
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struct icmp6_hdr rr_hdr;
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u_int8_t rr_segnum;
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u_int8_t rr_flags_reserved : 3;
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u_int8_t rr_prevdone : 1;
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u_int8_t rr_specsite : 1;
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u_int8_t rr_forceapply : 1;
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u_int8_t rr_reqresult : 1;
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u_int8_t rr_test : 1;
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u_int16_t rr_maxdelay;
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u_int32_t rr_reserved;
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};
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#endif /* BYTE_ORDER */
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#define rr_type rr_hdr.icmp6_type
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#define rr_code rr_hdr.icmp6_code
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#define rr_cksum rr_hdr.icmp6_cksum
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#define rr_seqnum rr_hdr.icmp6_data32[0]
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struct rr_pco_match { /* match prefix part */
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u_int8_t rpm_code;
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u_int8_t rpm_len;
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u_int8_t rpm_ordinal;
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u_int8_t rpm_matchlen;
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u_int8_t rpm_minlen;
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u_int8_t rpm_maxlen;
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u_int16_t rpm_reserved;
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struct in6_addr rpm_prefix;
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};
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#define RPM_PCO_ADD 1
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#define RPM_PCO_CHANGE 2
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#define RPM_PCO_SETGLOBAL 3
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#define RPM_PCO_MAX 4
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#if BYTE_ORDER == BIG_ENDIAN /* net byte order */
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struct rr_pco_use { /* use prefix part */
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u_int8_t rpu_uselen;
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u_int8_t rpu_keeplen;
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u_int8_t rpu_mask_onlink : 1;
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u_int8_t rpu_mask_autonomous : 1;
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u_int8_t rpu_mask_reserved : 6;
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u_int8_t rpu_onlink : 1;
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u_int8_t rpu_autonomous : 1;
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u_int8_t rpu_raflags_reserved : 6;
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u_int32_t rpu_vltime;
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u_int32_t rpu_pltime;
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u_int32_t rpu_decr_vltime : 1;
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u_int32_t rpu_decr_pltime : 1;
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u_int32_t rpu_flags_reserved : 6;
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u_int32_t rpu_reserved : 24;
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struct in6_addr rpu_prefix;
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};
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|
#elif BYTE_ORDER == LITTLE_ENDIAN
|
|
struct rr_pco_use { /* use prefix part */
|
|
u_int8_t rpu_uselen;
|
|
u_int8_t rpu_keeplen;
|
|
u_int8_t rpu_mask_reserved : 6;
|
|
u_int8_t rpu_mask_autonomous : 1;
|
|
u_int8_t rpu_mask_onlink : 1;
|
|
u_int8_t rpu_raflags_reserved : 6;
|
|
u_int8_t rpu_autonomous : 1;
|
|
u_int8_t rpu_onlink : 1;
|
|
u_int32_t rpu_vltime;
|
|
u_int32_t rpu_pltime;
|
|
u_int32_t rpu_flags_reserved : 6;
|
|
u_int32_t rpu_decr_pltime : 1;
|
|
u_int32_t rpu_decr_vltime : 1;
|
|
u_int32_t rpu_reserved : 24;
|
|
struct in6_addr rpu_prefix;
|
|
};
|
|
#endif /* BYTE_ORDER */
|
|
|
|
#if BYTE_ORDER == BIG_ENDIAN /* net byte order */
|
|
struct rr_result { /* router renumbering result message */
|
|
u_int8_t rrr_reserved;
|
|
u_int8_t rrr_flags_reserved : 6;
|
|
u_int8_t rrr_outofbound : 1;
|
|
u_int8_t rrr_forbidden : 1;
|
|
u_int8_t rrr_ordinal;
|
|
u_int8_t rrr_matchedlen;
|
|
u_int32_t rrr_ifid;
|
|
struct in6_addr rrr_prefix;
|
|
};
|
|
#elif BYTE_ORDER == LITTLE_ENDIAN
|
|
struct rr_result { /* router renumbering result message */
|
|
u_int8_t rrr_reserved;
|
|
u_int8_t rrr_forbidden : 1;
|
|
u_int8_t rrr_outofbound : 1;
|
|
u_int8_t rrr_flags_reserved : 6;
|
|
u_int8_t rrr_ordinal;
|
|
u_int8_t rrr_matchedlen;
|
|
u_int32_t rrr_ifid;
|
|
struct in6_addr rrr_prefix;
|
|
};
|
|
#endif /* BYTE_ORDER */
|
|
|
|
/*
|
|
* icmp6 filter structures.
|
|
*/
|
|
|
|
struct icmp6_filter {
|
|
u_int32_t icmp6_filter[8];
|
|
};
|
|
|
|
#ifdef _KERNEL
|
|
#define ICMP6_FILTER_SETPASSALL(filterp) \
|
|
{ \
|
|
int i; u_char *p; \
|
|
p = (u_char *)filterp; \
|
|
for (i = 0; i < sizeof(struct icmp6_filter); i++) \
|
|
p[i] = 0xff; \
|
|
}
|
|
#define ICMP6_FILTER_SETBLOCKALL(filterp) \
|
|
bzero(filterp, sizeof(struct icmp6_filter))
|
|
#else /* _KERNEL */
|
|
#define ICMP6_FILTER_SETPASSALL(filterp) \
|
|
memset(filterp, 0xff, sizeof(struct icmp6_filter))
|
|
#define ICMP6_FILTER_SETBLOCKALL(filterp) \
|
|
memset(filterp, 0x00, sizeof(struct icmp6_filter))
|
|
#endif /* _KERNEL */
|
|
|
|
#define ICMP6_FILTER_SETPASS(type, filterp) \
|
|
(((filterp)->icmp6_filter[(type) >> 5]) |= (1 << ((type) & 31)))
|
|
#define ICMP6_FILTER_SETBLOCK(type, filterp) \
|
|
(((filterp)->icmp6_filter[(type) >> 5]) &= ~(1 << ((type) & 31)))
|
|
#define ICMP6_FILTER_WILLPASS(type, filterp) \
|
|
((((filterp)->icmp6_filter[(type) >> 5]) & (1 << ((type) & 31))) != 0)
|
|
#define ICMP6_FILTER_WILLBLOCK(type, filterp) \
|
|
((((filterp)->icmp6_filter[(type) >> 5]) & (1 << ((type) & 31))) == 0)
|
|
|
|
|
|
#if defined(__FreeBSD__) || defined(__NetBSD__)
|
|
/*
|
|
* Variables related to this implementation
|
|
* of the internet control message protocol version 6.
|
|
*/
|
|
struct icmp6stat {
|
|
/* statistics related to icmp6 packets generated */
|
|
u_long icp6s_error; /* # of calls to icmp6_error */
|
|
u_long icp6s_canterror; /* no error 'cuz old was icmp */
|
|
u_long icp6s_toofreq; /* no error 'cuz rate limitation */
|
|
u_long icp6s_outhist[256];
|
|
/* statistics related to input messages proccesed */
|
|
u_long icp6s_badcode; /* icmp6_code out of range */
|
|
u_long icp6s_tooshort; /* packet < sizeof(struct icmp6_hdr) */
|
|
u_long icp6s_checksum; /* bad checksum */
|
|
u_long icp6s_badlen; /* calculated bound mismatch */
|
|
u_long icp6s_reflect; /* number of responses */
|
|
u_long icp6s_inhist[256];
|
|
};
|
|
|
|
/*
|
|
* Names for ICMP sysctl objects
|
|
*/
|
|
#define ICMPV6CTL_STATS 1
|
|
#define ICMPV6CTL_REDIRACCEPT 2 /* accept/process redirects */
|
|
#define ICMPV6CTL_REDIRTIMEOUT 3 /* redirect cache time */
|
|
#define ICMPV6CTL_PRINTFS 4
|
|
#define ICMPV6CTL_ERRRATELIMIT 5 /* ICMPv6 error rate limitation */
|
|
#define ICMPV6CTL_ND6_PRUNE 6
|
|
#define ICMPV6CTL_ND6_DELAY 8
|
|
#define ICMPV6CTL_ND6_UMAXTRIES 9
|
|
#define ICMPV6CTL_ND6_MMAXTRIES 10
|
|
#define ICMPV6CTL_ND6_USELOOPBACK 11
|
|
#define ICMPV6CTL_ND6_PROXYALL 12
|
|
#define ICMPV6CTL_MAXID 13
|
|
|
|
#define ICMPV6CTL_NAMES { \
|
|
{ 0, 0 }, \
|
|
{ 0, 0 }, \
|
|
{ "rediraccept", CTLTYPE_INT }, \
|
|
{ "redirtimeout", CTLTYPE_INT }, \
|
|
{ "printfs", CTLTYPE_INT }, \
|
|
{ "errratelimit", CTLTYPE_INT }, \
|
|
{ "nd6_prune", CTLTYPE_INT }, \
|
|
{ 0, 0 }, \
|
|
{ "nd6_delay", CTLTYPE_INT }, \
|
|
{ "nd6_umaxtries", CTLTYPE_INT }, \
|
|
{ "nd6_mmaxtries", CTLTYPE_INT }, \
|
|
{ "nd6_useloopback", CTLTYPE_INT }, \
|
|
{ "nd6_proxyall", CTLTYPE_INT }, \
|
|
}
|
|
#endif /*__FreeBSD__*/
|
|
#ifdef __bsdi__
|
|
/*
|
|
* Variables related to this implementation
|
|
* of the internet control message protocol version 6.
|
|
*/
|
|
struct icmp6stat {
|
|
/* statistics related to icmp6 packets generated */
|
|
u_quad_t icp6s_error; /* # of calls to icmp6_error */
|
|
u_quad_t icp6s_canterror; /* no error 'cuz old was icmp */
|
|
u_quad_t icp6s_toofreq; /* no error 'cuz rate limitation */
|
|
u_quad_t icp6s_outhist[256];
|
|
/* statistics related to input messages proccesed */
|
|
u_quad_t icp6s_badcode; /* icmp6_code out of range */
|
|
u_quad_t icp6s_tooshort; /* packet < sizeof(struct icmp6_hdr) */
|
|
u_quad_t icp6s_checksum; /* bad checksum */
|
|
u_quad_t icp6s_badlen; /* calculated bound mismatch */
|
|
u_quad_t icp6s_reflect; /* number of responses */
|
|
u_quad_t icp6s_inhist[256];
|
|
};
|
|
|
|
/*
|
|
* Names for ICMP sysctl objects
|
|
*/
|
|
#define ICMPV6CTL_REDIRACCEPT 2 /* accept/process redirects */
|
|
#define ICMPV6CTL_REDIRTIMEOUT 3 /* redirect cache time */
|
|
#define ICMPV6CTL_PRINTFS 4 /* redirect cache time */
|
|
#define ICMPV6CTL_STATS 5 /* statistics */
|
|
#define ICMPV6CTL_ERRRATELIMIT 6 /* ICMPv6 error rate limitation */
|
|
#define ICMPV6CTL_ND6_PRUNE 7
|
|
#define ICMPV6CTL_ND6_DELAY 9
|
|
#define ICMPV6CTL_ND6_UMAXTRIES 10
|
|
#define ICMPV6CTL_ND6_MMAXTRIES 11
|
|
#define ICMPV6CTL_ND6_USELOOPBACK 12
|
|
#define ICMPV6CTL_ND6_PROXYALL 13
|
|
#define ICMPV6CTL_MAXID 14
|
|
|
|
#ifdef ICMP6PRINTFS
|
|
#define __ICMP6PRINTFS &icmp6printfs
|
|
#else
|
|
#define __ICMP6PRINTFS 0
|
|
#endif
|
|
|
|
#define ICMPV6CTL_NAMES { \
|
|
{ 0, 0 }, \
|
|
{ 0, 0 }, \
|
|
{ "rediraccept", CTLTYPE_INT }, \
|
|
{ "redirtimeout", CTLTYPE_INT }, \
|
|
{ "printfs", CTLTYPE_INT }, \
|
|
{ 0, 0 }, \
|
|
{ "errratelimit", CTLTYPE_INT }, \
|
|
{ "nd6_prune", CTLTYPE_INT }, \
|
|
{ 0, 0 }, \
|
|
{ "nd6_delay", CTLTYPE_INT }, \
|
|
{ "nd6_umaxtries", CTLTYPE_INT }, \
|
|
{ "nd6_mmaxtries", CTLTYPE_INT }, \
|
|
{ "nd6_useloopback", CTLTYPE_INT }, \
|
|
{ "nd6_proxyall", CTLTYPE_INT }, \
|
|
}
|
|
|
|
#define ICMPV6CTL_VARS { \
|
|
0, \
|
|
0, \
|
|
&icmp6_rediraccept, \
|
|
&icmp6_redirtimeout, \
|
|
__ICMP6PRINTFS, \
|
|
0, \
|
|
&icmp6errratelim, \
|
|
&nd6_prune, \
|
|
0, \
|
|
&nd6_delay, \
|
|
&nd6_umaxtries, \
|
|
&nd6_mmaxtries, \
|
|
&nd6_useloopback, \
|
|
&nd6_proxyall, \
|
|
}
|
|
#endif /*__bsdi__*/
|
|
|
|
#define RTF_PROBEMTU RTF_PROTO1
|
|
|
|
#ifdef _KERNEL
|
|
# ifdef __STDC__
|
|
struct rtentry;
|
|
struct rttimer;
|
|
struct in6_multi;
|
|
# endif
|
|
void icmp6_init __P((void));
|
|
void icmp6_paramerror __P((struct mbuf *, int));
|
|
void icmp6_error __P((struct mbuf *, int, int, int));
|
|
int icmp6_input __P((struct mbuf **, int *, int));
|
|
void icmp6_fasttimo __P((void));
|
|
void icmp6_reflect __P((struct mbuf *, size_t));
|
|
void icmp6_prepare __P((struct mbuf *));
|
|
void icmp6_redirect_input __P((struct mbuf *, int));
|
|
void icmp6_redirect_output __P((struct mbuf *, struct rtentry *));
|
|
#ifdef __bsdi__
|
|
int icmp6_sysctl __P((int *, u_int, void *, size_t *, void *, size_t));
|
|
void icmp6_mtuexpire __P((struct rtentry *, struct rttimer *));
|
|
#endif /*__bsdi__*/
|
|
#ifdef __NetBSD__
|
|
int icmp6_sysctl __P((int *, u_int, void *, size_t *, void *, size_t));
|
|
#endif /* __NetBSD__ */
|
|
|
|
extern struct icmp6stat icmp6stat;
|
|
extern int icmp6_rediraccept; /* accept/process redirects */
|
|
extern int icmp6_redirtimeout; /* cache time for redirect routes */
|
|
#endif /* _KERNEL */
|
|
|
|
#endif /* not _NETINET6_ICMPV6_H_ */
|
|
|