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mateuszvis |
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/*!\file netinet/icmp6.h
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* ICMP for IPv6.
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*/
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/* $FreeBSD: src/sys/netinet/icmp6.h,v 1.8 2002/05/06 16:28:25 ume Exp $ */
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/* $KAME: icmp6.h,v 1.46 2001/04/27 15:09:48 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 _NETINET_ICMP6_H_
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#define _NETINET_ICMP6_H_
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#ifndef __SYS_WTYPES_H
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#include <sys/wtypes.h>
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#endif
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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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#include <sys/packon.h>
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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 MLD_LISTENER_QUERY 130 /* multicast listener query */
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#define ICMP6_MEMBERSHIP_REPORT 131 /* group membership report */
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#define MLD_LISTENER_REPORT 131 /* multicast listener report */
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#define ICMP6_MEMBERSHIP_REDUCTION 132 /* group membership termination */
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#define MLD_LISTENER_DONE 132 /* multicast listener done */
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#ifndef _KERNEL
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/* the followings are for backward compatibility to old KAME apps. */
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#define MLD6_LISTENER_QUERY MLD_LISTENER_QUERY
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#define MLD6_LISTENER_REPORT MLD_LISTENER_REPORT
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#define MLD6_LISTENER_DONE MLD_LISTENER_DONE
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#endif
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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 MLD_MTRACE_RESP 200 /* mtrace resp (to sender) */
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#define MLD_MTRACE 201 /* mtrace messages */
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#define ICMP6_HADISCOV_REQUEST 202 /* XXX To be defined */
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#define ICMP6_HADISCOV_REPLY 203 /* XXX To be defined */
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#ifndef _KERNEL
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#define MLD6_MTRACE_RESP MLD_MTRACE_RESP
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#define MLD6_MTRACE MLD_MTRACE
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#endif
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#define ICMP6_MAXTYPE 203
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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_SUBJ_IPV6 0 /* Query Subject is an IPv6 address */
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#define ICMP6_NI_SUBJ_FQDN 1 /* Query Subject is a Domain name */
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#define ICMP6_NI_SUBJ_IPV4 2 /* Query Subject is an IPv4 address */
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#define ICMP6_NI_SUCCESS 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 mld_hdr {
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struct icmp6_hdr mld_icmp6_hdr;
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struct in6_addr mld_addr; /* multicast address */
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};
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/* definitions to provide backward compatibility to old KAME applications */
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#ifndef _KERNEL
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#define mld6_hdr mld_hdr
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#define mld6_type mld_type
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#define mld6_code mld_code
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#define mld6_cksum mld_cksum
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#define mld6_maxdelay mld_maxdelay
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#define mld6_reserved mld_reserved
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#define mld6_addr mld_addr
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#endif
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/* shortcut macro definitions */
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#define mld_type mld_icmp6_hdr.icmp6_type
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#define mld_code mld_icmp6_hdr.icmp6_code
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#define mld_cksum mld_icmp6_hdr.icmp6_cksum
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#define mld_maxdelay mld_icmp6_hdr.icmp6_data16[0]
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#define mld_reserved mld_icmp6_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_FLAG_HA 0x20
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/*
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* Router preference values based on draft-draves-ipngwg-router-selection-01.
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* These are non-standard definitions.
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*/
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#define ND_RA_FLAG_RTPREF_MASK 0x18 /* 00011000 */
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#define ND_RA_FLAG_RTPREF_HIGH 0x08 /* 00001000 */
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#define ND_RA_FLAG_RTPREF_MEDIUM 0x00 /* 00000000 */
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#define ND_RA_FLAG_RTPREF_LOW 0x18 /* 00011000 */
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#define ND_RA_FLAG_RTPREF_RSV 0x10 /* 00010000 */
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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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#else
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#if 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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#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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307 |
#define ND_OPT_PREFIX_INFORMATION 3
|
|
|
308 |
#define ND_OPT_REDIRECTED_HEADER 4
|
|
|
309 |
#define ND_OPT_MTU 5
|
|
|
310 |
|
|
|
311 |
#define ND_OPT_ROUTE_INFO 200 /* draft-ietf-ipngwg-router-preference, not officially assigned yet */
|
|
|
312 |
|
|
|
313 |
struct nd_opt_prefix_info { /* prefix information */
|
|
|
314 |
u_int8_t nd_opt_pi_type;
|
|
|
315 |
u_int8_t nd_opt_pi_len;
|
|
|
316 |
u_int8_t nd_opt_pi_prefix_len;
|
|
|
317 |
u_int8_t nd_opt_pi_flags_reserved;
|
|
|
318 |
u_int32_t nd_opt_pi_valid_time;
|
|
|
319 |
u_int32_t nd_opt_pi_preferred_time;
|
|
|
320 |
u_int32_t nd_opt_pi_reserved2;
|
|
|
321 |
struct in6_addr nd_opt_pi_prefix;
|
|
|
322 |
};
|
|
|
323 |
|
|
|
324 |
#define ND_OPT_PI_FLAG_ONLINK 0x80
|
|
|
325 |
#define ND_OPT_PI_FLAG_AUTO 0x40
|
|
|
326 |
|
|
|
327 |
struct nd_opt_rd_hdr { /* redirected header */
|
|
|
328 |
u_int8_t nd_opt_rh_type;
|
|
|
329 |
u_int8_t nd_opt_rh_len;
|
|
|
330 |
u_int16_t nd_opt_rh_reserved1;
|
|
|
331 |
u_int32_t nd_opt_rh_reserved2;
|
|
|
332 |
/* followed by IP header and data */
|
|
|
333 |
};
|
|
|
334 |
|
|
|
335 |
struct nd_opt_mtu { /* MTU option */
|
|
|
336 |
u_int8_t nd_opt_mtu_type;
|
|
|
337 |
u_int8_t nd_opt_mtu_len;
|
|
|
338 |
u_int16_t nd_opt_mtu_reserved;
|
|
|
339 |
u_int32_t nd_opt_mtu_mtu;
|
|
|
340 |
};
|
|
|
341 |
|
|
|
342 |
struct nd_opt_route_info { /* route info */
|
|
|
343 |
u_int8_t nd_opt_rti_type;
|
|
|
344 |
u_int8_t nd_opt_rti_len;
|
|
|
345 |
u_int8_t nd_opt_rti_prefixlen;
|
|
|
346 |
u_int8_t nd_opt_rti_flags;
|
|
|
347 |
u_int32_t nd_opt_rti_lifetime;
|
|
|
348 |
/* prefix follows */
|
|
|
349 |
};
|
|
|
350 |
|
|
|
351 |
/*
|
|
|
352 |
* icmp6 namelookup
|
|
|
353 |
*/
|
|
|
354 |
|
|
|
355 |
struct icmp6_namelookup {
|
|
|
356 |
struct icmp6_hdr icmp6_nl_hdr;
|
|
|
357 |
u_int8_t icmp6_nl_nonce[8];
|
|
|
358 |
int32_t icmp6_nl_ttl;
|
|
|
359 |
#if 0
|
|
|
360 |
u_int8_t icmp6_nl_len;
|
|
|
361 |
u_int8_t icmp6_nl_name[3];
|
|
|
362 |
#endif
|
|
|
363 |
/* could be followed by options */
|
|
|
364 |
};
|
|
|
365 |
|
|
|
366 |
/*
|
|
|
367 |
* icmp6 node information
|
|
|
368 |
*/
|
|
|
369 |
struct icmp6_nodeinfo {
|
|
|
370 |
struct icmp6_hdr icmp6_ni_hdr;
|
|
|
371 |
u_int8_t icmp6_ni_nonce[8];
|
|
|
372 |
/* could be followed by reply data */
|
|
|
373 |
};
|
|
|
374 |
|
|
|
375 |
#define ni_type icmp6_ni_hdr.icmp6_type
|
|
|
376 |
#define ni_code icmp6_ni_hdr.icmp6_code
|
|
|
377 |
#define ni_cksum icmp6_ni_hdr.icmp6_cksum
|
|
|
378 |
#define ni_qtype icmp6_ni_hdr.icmp6_data16[0]
|
|
|
379 |
#define ni_flags icmp6_ni_hdr.icmp6_data16[1]
|
|
|
380 |
|
|
|
381 |
#define NI_QTYPE_NOOP 0 /* NOOP */
|
|
|
382 |
#define NI_QTYPE_SUPTYPES 1 /* Supported Qtypes */
|
|
|
383 |
#define NI_QTYPE_FQDN 2 /* FQDN (draft 04) */
|
|
|
384 |
#define NI_QTYPE_DNSNAME 2 /* DNS Name */
|
|
|
385 |
#define NI_QTYPE_NODEADDR 3 /* Node Addresses */
|
|
|
386 |
#define NI_QTYPE_IPV4ADDR 4 /* IPv4 Addresses */
|
|
|
387 |
|
|
|
388 |
#if BYTE_ORDER == BIG_ENDIAN
|
|
|
389 |
#define NI_SUPTYPE_FLAG_COMPRESS 0x1
|
|
|
390 |
#define NI_FQDN_FLAG_VALIDTTL 0x1
|
|
|
391 |
#elif BYTE_ORDER == LITTLE_ENDIAN
|
|
|
392 |
#define NI_SUPTYPE_FLAG_COMPRESS 0x0100
|
|
|
393 |
#define NI_FQDN_FLAG_VALIDTTL 0x0100
|
|
|
394 |
#endif
|
|
|
395 |
|
|
|
396 |
#ifdef NAME_LOOKUPS_04
|
|
|
397 |
#if BYTE_ORDER == BIG_ENDIAN
|
|
|
398 |
#define NI_NODEADDR_FLAG_LINKLOCAL 0x1
|
|
|
399 |
#define NI_NODEADDR_FLAG_SITELOCAL 0x2
|
|
|
400 |
#define NI_NODEADDR_FLAG_GLOBAL 0x4
|
|
|
401 |
#define NI_NODEADDR_FLAG_ALL 0x8
|
|
|
402 |
#define NI_NODEADDR_FLAG_TRUNCATE 0x10
|
|
|
403 |
#define NI_NODEADDR_FLAG_ANYCAST 0x20 /* just experimental. not in spec */
|
|
|
404 |
#elif BYTE_ORDER == LITTLE_ENDIAN
|
|
|
405 |
#define NI_NODEADDR_FLAG_LINKLOCAL 0x0100
|
|
|
406 |
#define NI_NODEADDR_FLAG_SITELOCAL 0x0200
|
|
|
407 |
#define NI_NODEADDR_FLAG_GLOBAL 0x0400
|
|
|
408 |
#define NI_NODEADDR_FLAG_ALL 0x0800
|
|
|
409 |
#define NI_NODEADDR_FLAG_TRUNCATE 0x1000
|
|
|
410 |
#define NI_NODEADDR_FLAG_ANYCAST 0x2000 /* just experimental. not in spec */
|
|
|
411 |
#endif
|
|
|
412 |
#else /* draft-ietf-ipngwg-icmp-name-lookups-05 (and later?) */
|
|
|
413 |
#if BYTE_ORDER == BIG_ENDIAN
|
|
|
414 |
#define NI_NODEADDR_FLAG_TRUNCATE 0x1
|
|
|
415 |
#define NI_NODEADDR_FLAG_ALL 0x2
|
|
|
416 |
#define NI_NODEADDR_FLAG_COMPAT 0x4
|
|
|
417 |
#define NI_NODEADDR_FLAG_LINKLOCAL 0x8
|
|
|
418 |
#define NI_NODEADDR_FLAG_SITELOCAL 0x10
|
|
|
419 |
#define NI_NODEADDR_FLAG_GLOBAL 0x20
|
|
|
420 |
#define NI_NODEADDR_FLAG_ANYCAST 0x40 /* just experimental. not in spec */
|
|
|
421 |
#elif BYTE_ORDER == LITTLE_ENDIAN
|
|
|
422 |
#define NI_NODEADDR_FLAG_TRUNCATE 0x0100
|
|
|
423 |
#define NI_NODEADDR_FLAG_ALL 0x0200
|
|
|
424 |
#define NI_NODEADDR_FLAG_COMPAT 0x0400
|
|
|
425 |
#define NI_NODEADDR_FLAG_LINKLOCAL 0x0800
|
|
|
426 |
#define NI_NODEADDR_FLAG_SITELOCAL 0x1000
|
|
|
427 |
#define NI_NODEADDR_FLAG_GLOBAL 0x2000
|
|
|
428 |
#define NI_NODEADDR_FLAG_ANYCAST 0x4000 /* just experimental. not in spec */
|
|
|
429 |
#endif
|
|
|
430 |
#endif
|
|
|
431 |
|
|
|
432 |
struct ni_reply_fqdn {
|
|
|
433 |
u_int32_t ni_fqdn_ttl; /* TTL */
|
|
|
434 |
u_int8_t ni_fqdn_namelen; /* length in octets of the FQDN */
|
|
|
435 |
u_int8_t ni_fqdn_name[3]; /* XXX: alignment */
|
|
|
436 |
};
|
|
|
437 |
|
|
|
438 |
/*
|
|
|
439 |
* Router Renumbering. as router-renum-08.txt
|
|
|
440 |
*/
|
|
|
441 |
struct icmp6_router_renum { /* router renumbering header */
|
|
|
442 |
struct icmp6_hdr rr_hdr;
|
|
|
443 |
u_int8_t rr_segnum;
|
|
|
444 |
u_int8_t rr_flags;
|
|
|
445 |
u_int16_t rr_maxdelay;
|
|
|
446 |
u_int32_t rr_reserved;
|
|
|
447 |
};
|
|
|
448 |
|
|
|
449 |
#define ICMP6_RR_FLAGS_TEST 0x80
|
|
|
450 |
#define ICMP6_RR_FLAGS_REQRESULT 0x40
|
|
|
451 |
#define ICMP6_RR_FLAGS_FORCEAPPLY 0x20
|
|
|
452 |
#define ICMP6_RR_FLAGS_SPECSITE 0x10
|
|
|
453 |
#define ICMP6_RR_FLAGS_PREVDONE 0x08
|
|
|
454 |
|
|
|
455 |
#define rr_type rr_hdr.icmp6_type
|
|
|
456 |
#define rr_code rr_hdr.icmp6_code
|
|
|
457 |
#define rr_cksum rr_hdr.icmp6_cksum
|
|
|
458 |
#define rr_seqnum rr_hdr.icmp6_data32[0]
|
|
|
459 |
|
|
|
460 |
struct rr_pco_match { /* match prefix part */
|
|
|
461 |
u_int8_t rpm_code;
|
|
|
462 |
u_int8_t rpm_len;
|
|
|
463 |
u_int8_t rpm_ordinal;
|
|
|
464 |
u_int8_t rpm_matchlen;
|
|
|
465 |
u_int8_t rpm_minlen;
|
|
|
466 |
u_int8_t rpm_maxlen;
|
|
|
467 |
u_int16_t rpm_reserved;
|
|
|
468 |
struct in6_addr rpm_prefix;
|
|
|
469 |
};
|
|
|
470 |
|
|
|
471 |
#define RPM_PCO_ADD 1
|
|
|
472 |
#define RPM_PCO_CHANGE 2
|
|
|
473 |
#define RPM_PCO_SETGLOBAL 3
|
|
|
474 |
#define RPM_PCO_MAX 4
|
|
|
475 |
|
|
|
476 |
struct rr_pco_use { /* use prefix part */
|
|
|
477 |
u_int8_t rpu_uselen;
|
|
|
478 |
u_int8_t rpu_keeplen;
|
|
|
479 |
u_int8_t rpu_ramask;
|
|
|
480 |
u_int8_t rpu_raflags;
|
|
|
481 |
u_int32_t rpu_vltime;
|
|
|
482 |
u_int32_t rpu_pltime;
|
|
|
483 |
u_int32_t rpu_flags;
|
|
|
484 |
struct in6_addr rpu_prefix;
|
|
|
485 |
};
|
|
|
486 |
|
|
|
487 |
#define ICMP6_RR_PCOUSE_RAFLAGS_ONLINK 0x80
|
|
|
488 |
#define ICMP6_RR_PCOUSE_RAFLAGS_AUTO 0x40
|
|
|
489 |
|
|
|
490 |
#if BYTE_ORDER == BIG_ENDIAN
|
|
|
491 |
#define ICMP6_RR_PCOUSE_FLAGS_DECRVLTIME 0x80000000
|
|
|
492 |
#define ICMP6_RR_PCOUSE_FLAGS_DECRPLTIME 0x40000000
|
|
|
493 |
#elif BYTE_ORDER == LITTLE_ENDIAN
|
|
|
494 |
#define ICMP6_RR_PCOUSE_FLAGS_DECRVLTIME 0x80
|
|
|
495 |
#define ICMP6_RR_PCOUSE_FLAGS_DECRPLTIME 0x40
|
|
|
496 |
#endif
|
|
|
497 |
|
|
|
498 |
struct rr_result { /* router renumbering result message */
|
|
|
499 |
u_int16_t rrr_flags;
|
|
|
500 |
u_int8_t rrr_ordinal;
|
|
|
501 |
u_int8_t rrr_matchedlen;
|
|
|
502 |
u_int32_t rrr_ifid;
|
|
|
503 |
struct in6_addr rrr_prefix;
|
|
|
504 |
};
|
|
|
505 |
|
|
|
506 |
#include <sys/packoff.h>
|
|
|
507 |
|
|
|
508 |
#if BYTE_ORDER == BIG_ENDIAN
|
|
|
509 |
#define ICMP6_RR_RESULT_FLAGS_OOB 0x0002
|
|
|
510 |
#define ICMP6_RR_RESULT_FLAGS_FORBIDDEN 0x0001
|
|
|
511 |
#elif BYTE_ORDER == LITTLE_ENDIAN
|
|
|
512 |
#define ICMP6_RR_RESULT_FLAGS_OOB 0x0200
|
|
|
513 |
#define ICMP6_RR_RESULT_FLAGS_FORBIDDEN 0x0100
|
|
|
514 |
#endif
|
|
|
515 |
|
|
|
516 |
/*
|
|
|
517 |
* icmp6 filter structures.
|
|
|
518 |
*/
|
|
|
519 |
|
|
|
520 |
struct icmp6_filter {
|
|
|
521 |
u_int32_t icmp6_filt[8];
|
|
|
522 |
};
|
|
|
523 |
|
|
|
524 |
#define ICMP6_FILTER_SETPASSALL(filterp) \
|
|
|
525 |
memset(filterp, 0xff, sizeof(struct icmp6_filter))
|
|
|
526 |
#define ICMP6_FILTER_SETBLOCKALL(filterp) \
|
|
|
527 |
memset(filterp, 0x00, sizeof(struct icmp6_filter))
|
|
|
528 |
|
|
|
529 |
#define ICMP6_FILTER_SETPASS(type, filterp) \
|
|
|
530 |
(((filterp)->icmp6_filt[(type) >> 5]) |= (1 << ((type) & 31)))
|
|
|
531 |
#define ICMP6_FILTER_SETBLOCK(type, filterp) \
|
|
|
532 |
(((filterp)->icmp6_filt[(type) >> 5]) &= ~(1 << ((type) & 31)))
|
|
|
533 |
#define ICMP6_FILTER_WILLPASS(type, filterp) \
|
|
|
534 |
((((filterp)->icmp6_filt[(type) >> 5]) & (1 << ((type) & 31))) != 0)
|
|
|
535 |
#define ICMP6_FILTER_WILLBLOCK(type, filterp) \
|
|
|
536 |
((((filterp)->icmp6_filt[(type) >> 5]) & (1 << ((type) & 31))) == 0)
|
|
|
537 |
|
|
|
538 |
/*
|
|
|
539 |
* Variables related to this implementation
|
|
|
540 |
* of the internet control message protocol version 6.
|
|
|
541 |
*/
|
|
|
542 |
struct icmp6errstat {
|
|
|
543 |
u_quad_t icp6errs_dst_unreach_noroute;
|
|
|
544 |
u_quad_t icp6errs_dst_unreach_admin;
|
|
|
545 |
u_quad_t icp6errs_dst_unreach_beyondscope;
|
|
|
546 |
u_quad_t icp6errs_dst_unreach_addr;
|
|
|
547 |
u_quad_t icp6errs_dst_unreach_noport;
|
|
|
548 |
u_quad_t icp6errs_packet_too_big;
|
|
|
549 |
u_quad_t icp6errs_time_exceed_transit;
|
|
|
550 |
u_quad_t icp6errs_time_exceed_reassembly;
|
|
|
551 |
u_quad_t icp6errs_paramprob_header;
|
|
|
552 |
u_quad_t icp6errs_paramprob_nextheader;
|
|
|
553 |
u_quad_t icp6errs_paramprob_option;
|
|
|
554 |
u_quad_t icp6errs_redirect; /* we regard redirect as an error here */
|
|
|
555 |
u_quad_t icp6errs_unknown;
|
|
|
556 |
};
|
|
|
557 |
|
|
|
558 |
struct icmp6stat {
|
|
|
559 |
/* statistics related to icmp6 packets generated */
|
|
|
560 |
u_quad_t icp6s_error; /* # of calls to icmp6_error */
|
|
|
561 |
u_quad_t icp6s_canterror; /* no error 'cuz old was icmp */
|
|
|
562 |
u_quad_t icp6s_toofreq; /* no error 'cuz rate limitation */
|
|
|
563 |
u_quad_t icp6s_outhist[256];
|
|
|
564 |
|
|
|
565 |
/* statistics related to input message processed */
|
|
|
566 |
u_quad_t icp6s_badcode; /* icmp6_code out of range */
|
|
|
567 |
u_quad_t icp6s_tooshort; /* packet < sizeof(struct icmp6_hdr) */
|
|
|
568 |
u_quad_t icp6s_checksum; /* bad checksum */
|
|
|
569 |
u_quad_t icp6s_badlen; /* calculated bound mismatch */
|
|
|
570 |
/*
|
|
|
571 |
* number of responses: this member is inherited from netinet code, but
|
|
|
572 |
* for netinet6 code, it is already available in icp6s_outhist[].
|
|
|
573 |
*/
|
|
|
574 |
u_quad_t icp6s_reflect;
|
|
|
575 |
u_quad_t icp6s_inhist[256];
|
|
|
576 |
u_quad_t icp6s_nd_toomanyopt; /* too many ND options */
|
|
|
577 |
struct icmp6errstat icp6s_outerrhist;
|
|
|
578 |
#define icp6s_odst_unreach_noroute \
|
|
|
579 |
icp6s_outerrhist.icp6errs_dst_unreach_noroute
|
|
|
580 |
#define icp6s_odst_unreach_admin icp6s_outerrhist.icp6errs_dst_unreach_admin
|
|
|
581 |
#define icp6s_odst_unreach_beyondscope \
|
|
|
582 |
icp6s_outerrhist.icp6errs_dst_unreach_beyondscope
|
|
|
583 |
#define icp6s_odst_unreach_addr icp6s_outerrhist.icp6errs_dst_unreach_addr
|
|
|
584 |
#define icp6s_odst_unreach_noport icp6s_outerrhist.icp6errs_dst_unreach_noport
|
|
|
585 |
#define icp6s_opacket_too_big icp6s_outerrhist.icp6errs_packet_too_big
|
|
|
586 |
#define icp6s_otime_exceed_transit \
|
|
|
587 |
icp6s_outerrhist.icp6errs_time_exceed_transit
|
|
|
588 |
#define icp6s_otime_exceed_reassembly \
|
|
|
589 |
icp6s_outerrhist.icp6errs_time_exceed_reassembly
|
|
|
590 |
#define icp6s_oparamprob_header icp6s_outerrhist.icp6errs_paramprob_header
|
|
|
591 |
#define icp6s_oparamprob_nextheader \
|
|
|
592 |
icp6s_outerrhist.icp6errs_paramprob_nextheader
|
|
|
593 |
#define icp6s_oparamprob_option icp6s_outerrhist.icp6errs_paramprob_option
|
|
|
594 |
#define icp6s_oredirect icp6s_outerrhist.icp6errs_redirect
|
|
|
595 |
#define icp6s_ounknown icp6s_outerrhist.icp6errs_unknown
|
|
|
596 |
u_quad_t icp6s_pmtuchg; /* path MTU changes */
|
|
|
597 |
u_quad_t icp6s_nd_badopt; /* bad ND options */
|
|
|
598 |
u_quad_t icp6s_badns; /* bad neighbor solicitation */
|
|
|
599 |
u_quad_t icp6s_badna; /* bad neighbor advertisement */
|
|
|
600 |
u_quad_t icp6s_badrs; /* bad router advertisement */
|
|
|
601 |
u_quad_t icp6s_badra; /* bad router advertisement */
|
|
|
602 |
u_quad_t icp6s_badredirect; /* bad redirect message */
|
|
|
603 |
};
|
|
|
604 |
|
|
|
605 |
/*
|
|
|
606 |
* Names for ICMP sysctl objects
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607 |
*/
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608 |
#define ICMPV6CTL_STATS 1
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609 |
#define ICMPV6CTL_REDIRACCEPT 2 /* accept/process redirects */
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610 |
#define ICMPV6CTL_REDIRTIMEOUT 3 /* redirect cache time */
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611 |
#define ICMPV6CTL_ND6_PRUNE 6
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612 |
#define ICMPV6CTL_ND6_DELAY 8
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613 |
#define ICMPV6CTL_ND6_UMAXTRIES 9
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614 |
#define ICMPV6CTL_ND6_MMAXTRIES 10
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615 |
#define ICMPV6CTL_ND6_USELOOPBACK 11
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616 |
/*#define ICMPV6CTL_ND6_PROXYALL 12 obsoleted, do not reuse here */
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617 |
#define ICMPV6CTL_NODEINFO 13
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618 |
#define ICMPV6CTL_ERRPPSLIMIT 14 /* ICMPv6 error pps limitation */
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619 |
#define ICMPV6CTL_ND6_MAXNUDHINT 15
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620 |
#define ICMPV6CTL_MTUDISC_HIWAT 16
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621 |
#define ICMPV6CTL_MTUDISC_LOWAT 17
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622 |
#define ICMPV6CTL_ND6_DEBUG 18
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623 |
#define ICMPV6CTL_ND6_DRLIST 19
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624 |
#define ICMPV6CTL_ND6_PRLIST 20
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625 |
#define ICMPV6CTL_MAXID 21
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626 |
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627 |
#define ICMPV6CTL_NAMES { \
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628 |
{ 0, 0 }, \
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|
629 |
{ 0, 0 }, \
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|
630 |
{ "rediraccept", CTLTYPE_INT }, \
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|
631 |
{ "redirtimeout", CTLTYPE_INT }, \
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632 |
{ 0, 0 }, \
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633 |
{ 0, 0 }, \
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634 |
{ "nd6_prune", CTLTYPE_INT }, \
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|
635 |
{ 0, 0 }, \
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|
636 |
{ "nd6_delay", CTLTYPE_INT }, \
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|
637 |
{ "nd6_umaxtries", CTLTYPE_INT }, \
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638 |
{ "nd6_mmaxtries", CTLTYPE_INT }, \
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639 |
{ "nd6_useloopback", CTLTYPE_INT }, \
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|
640 |
{ 0, 0 }, \
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|
641 |
{ "nodeinfo", CTLTYPE_INT }, \
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642 |
{ "errppslimit", CTLTYPE_INT }, \
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643 |
{ "nd6_maxnudhint", CTLTYPE_INT }, \
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644 |
{ "mtudisc_hiwat", CTLTYPE_INT }, \
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645 |
{ "mtudisc_lowat", CTLTYPE_INT }, \
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|
646 |
{ "nd6_debug", CTLTYPE_INT }, \
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|
647 |
{ 0, 0 }, \
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|
648 |
{ 0, 0 }, \
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649 |
}
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650 |
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651 |
#define RTF_PROBEMTU RTF_PROTO1
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652 |
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653 |
#ifdef _KERNEL
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|
654 |
# ifdef __STDC__
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|
655 |
struct rtentry;
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|
656 |
struct rttimer;
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|
657 |
struct in6_multi;
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|
658 |
# endif
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|
659 |
void icmp6_init(void);
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|
660 |
void icmp6_paramerror(struct mbuf *, int);
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661 |
void icmp6_error(struct mbuf *, int, int, int);
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662 |
int icmp6_input(struct mbuf **, int *, int);
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663 |
void icmp6_fasttimo(void);
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|
664 |
void icmp6_reflect(struct mbuf *, size_t);
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|
665 |
void icmp6_prepare(struct mbuf *);
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|
666 |
void icmp6_redirect_input(struct mbuf *, int);
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|
667 |
void icmp6_redirect_output(struct mbuf *, struct rtentry *);
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668 |
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|
669 |
struct ip6ctlparam;
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|
670 |
void icmp6_mtudisc_update(struct ip6ctlparam *, int);
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671 |
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|
672 |
/* XXX: is this the right place for these macros? */
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|
673 |
#define icmp6_ifstat_inc(ifp, tag) \
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|
674 |
do { \
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|
675 |
if ((ifp) && (ifp)->if_index <= if_index \
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|
676 |
&& (ifp)->if_index < icmp6_ifstatmax \
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|
677 |
&& icmp6_ifstat && icmp6_ifstat[(ifp)->if_index]) { \
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|
678 |
icmp6_ifstat[(ifp)->if_index]->tag++; \
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|
679 |
} \
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|
680 |
} while (0)
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|
681 |
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|
682 |
#define icmp6_ifoutstat_inc(ifp, type, code) \
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|
683 |
do { \
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|
684 |
icmp6_ifstat_inc(ifp, ifs6_out_msg); \
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|
685 |
if (type < ICMP6_INFOMSG_MASK) \
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|
686 |
icmp6_ifstat_inc(ifp, ifs6_out_error); \
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|
687 |
switch(type) { \
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|
688 |
case ICMP6_DST_UNREACH: \
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|
689 |
icmp6_ifstat_inc(ifp, ifs6_out_dstunreach); \
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|
690 |
if (code == ICMP6_DST_UNREACH_ADMIN) \
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|
691 |
icmp6_ifstat_inc(ifp, ifs6_out_adminprohib); \
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|
692 |
break; \
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|
693 |
case ICMP6_PACKET_TOO_BIG: \
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|
694 |
icmp6_ifstat_inc(ifp, ifs6_out_pkttoobig); \
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|
695 |
break; \
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|
696 |
case ICMP6_TIME_EXCEEDED: \
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|
697 |
icmp6_ifstat_inc(ifp, ifs6_out_timeexceed); \
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|
698 |
break; \
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|
699 |
case ICMP6_PARAM_PROB: \
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|
700 |
icmp6_ifstat_inc(ifp, ifs6_out_paramprob); \
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|
701 |
break; \
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|
702 |
case ICMP6_ECHO_REQUEST: \
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|
703 |
icmp6_ifstat_inc(ifp, ifs6_out_echo); \
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|
704 |
break; \
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|
705 |
case ICMP6_ECHO_REPLY: \
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|
706 |
icmp6_ifstat_inc(ifp, ifs6_out_echoreply); \
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|
707 |
break; \
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|
708 |
case MLD_LISTENER_QUERY: \
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|
709 |
icmp6_ifstat_inc(ifp, ifs6_out_mldquery); \
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|
710 |
break; \
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|
711 |
case MLD_LISTENER_REPORT: \
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|
712 |
icmp6_ifstat_inc(ifp, ifs6_out_mldreport); \
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|
713 |
break; \
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|
714 |
case MLD_LISTENER_DONE: \
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|
715 |
icmp6_ifstat_inc(ifp, ifs6_out_mlddone); \
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|
|
716 |
break; \
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|
|
717 |
case ND_ROUTER_SOLICIT: \
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|
|
718 |
icmp6_ifstat_inc(ifp, ifs6_out_routersolicit); \
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|
|
719 |
break; \
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|
|
720 |
case ND_ROUTER_ADVERT: \
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|
|
721 |
icmp6_ifstat_inc(ifp, ifs6_out_routeradvert); \
|
|
|
722 |
break; \
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|
|
723 |
case ND_NEIGHBOR_SOLICIT: \
|
|
|
724 |
icmp6_ifstat_inc(ifp, ifs6_out_neighborsolicit); \
|
|
|
725 |
break; \
|
|
|
726 |
case ND_NEIGHBOR_ADVERT: \
|
|
|
727 |
icmp6_ifstat_inc(ifp, ifs6_out_neighboradvert); \
|
|
|
728 |
break; \
|
|
|
729 |
case ND_REDIRECT: \
|
|
|
730 |
icmp6_ifstat_inc(ifp, ifs6_out_redirect); \
|
|
|
731 |
break; \
|
|
|
732 |
} \
|
|
|
733 |
} while (0)
|
|
|
734 |
|
|
|
735 |
extern int icmp6_rediraccept; /* accept/process redirects */
|
|
|
736 |
extern int icmp6_redirtimeout; /* cache time for redirect routes */
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|
|
737 |
#endif /* _KERNEL */
|
|
|
738 |
|
|
|
739 |
#endif /* not _NETINET_ICMP6_H_ */
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