--- /dev/null
+/*!\file netinet/icmp6.h
+ * ICMP for IPv6.
+ */
+
+/* $FreeBSD: src/sys/netinet/icmp6.h,v 1.8 2002/05/06 16:28:25 ume Exp $ */
+/* $KAME: icmp6.h,v 1.46 2001/04/27 15:09:48 itojun Exp $ */
+
+/*
+ * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the project nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/*
+ * Copyright (c) 1982, 1986, 1993
+ * The Regents of the University of California. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the University of
+ * California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * @(#)ip_icmp.h 8.1 (Berkeley) 6/10/93
+ */
+
+#ifndef _NETINET_ICMP6_H_
+#define _NETINET_ICMP6_H_
+
+#ifndef __SYS_WTYPES_H
+#include <sys/wtypes.h>
+#endif
+
+#define ICMPV6_PLD_MAXLEN 1232 /* IPV6_MMTU - sizeof(struct ip6_hdr)
+ - sizeof(struct icmp6_hdr) */
+#include <sys/packon.h>
+
+struct icmp6_hdr {
+ u_int8_t icmp6_type; /* type field */
+ u_int8_t icmp6_code; /* code field */
+ u_int16_t icmp6_cksum; /* checksum field */
+ union {
+ u_int32_t icmp6_un_data32[1]; /* type-specific field */
+ u_int16_t icmp6_un_data16[2]; /* type-specific field */
+ u_int8_t icmp6_un_data8[4]; /* type-specific field */
+ } icmp6_dataun;
+};
+
+#define icmp6_data32 icmp6_dataun.icmp6_un_data32
+#define icmp6_data16 icmp6_dataun.icmp6_un_data16
+#define icmp6_data8 icmp6_dataun.icmp6_un_data8
+#define icmp6_pptr icmp6_data32[0] /* parameter prob */
+#define icmp6_mtu icmp6_data32[0] /* packet too big */
+#define icmp6_id icmp6_data16[0] /* echo request/reply */
+#define icmp6_seq icmp6_data16[1] /* echo request/reply */
+#define icmp6_maxdelay icmp6_data16[0] /* mcast group membership */
+
+#define ICMP6_DST_UNREACH 1 /* dest unreachable, codes: */
+#define ICMP6_PACKET_TOO_BIG 2 /* packet too big */
+#define ICMP6_TIME_EXCEEDED 3 /* time exceeded, code: */
+#define ICMP6_PARAM_PROB 4 /* ip6 header bad */
+
+#define ICMP6_ECHO_REQUEST 128 /* echo service */
+#define ICMP6_ECHO_REPLY 129 /* echo reply */
+#define ICMP6_MEMBERSHIP_QUERY 130 /* group membership query */
+#define MLD_LISTENER_QUERY 130 /* multicast listener query */
+#define ICMP6_MEMBERSHIP_REPORT 131 /* group membership report */
+#define MLD_LISTENER_REPORT 131 /* multicast listener report */
+#define ICMP6_MEMBERSHIP_REDUCTION 132 /* group membership termination */
+#define MLD_LISTENER_DONE 132 /* multicast listener done */
+
+#ifndef _KERNEL
+/* the followings are for backward compatibility to old KAME apps. */
+#define MLD6_LISTENER_QUERY MLD_LISTENER_QUERY
+#define MLD6_LISTENER_REPORT MLD_LISTENER_REPORT
+#define MLD6_LISTENER_DONE MLD_LISTENER_DONE
+#endif
+
+#define ND_ROUTER_SOLICIT 133 /* router solicitation */
+#define ND_ROUTER_ADVERT 134 /* router advertisment */
+#define ND_NEIGHBOR_SOLICIT 135 /* neighbor solicitation */
+#define ND_NEIGHBOR_ADVERT 136 /* neighbor advertisment */
+#define ND_REDIRECT 137 /* redirect */
+
+#define ICMP6_ROUTER_RENUMBERING 138 /* router renumbering */
+
+#define ICMP6_WRUREQUEST 139 /* who are you request */
+#define ICMP6_WRUREPLY 140 /* who are you reply */
+#define ICMP6_FQDN_QUERY 139 /* FQDN query */
+#define ICMP6_FQDN_REPLY 140 /* FQDN reply */
+#define ICMP6_NI_QUERY 139 /* node information request */
+#define ICMP6_NI_REPLY 140 /* node information reply */
+
+/* The definitions below are experimental. TBA */
+#define MLD_MTRACE_RESP 200 /* mtrace resp (to sender) */
+#define MLD_MTRACE 201 /* mtrace messages */
+
+#define ICMP6_HADISCOV_REQUEST 202 /* XXX To be defined */
+#define ICMP6_HADISCOV_REPLY 203 /* XXX To be defined */
+
+#ifndef _KERNEL
+#define MLD6_MTRACE_RESP MLD_MTRACE_RESP
+#define MLD6_MTRACE MLD_MTRACE
+#endif
+
+#define ICMP6_MAXTYPE 203
+
+#define ICMP6_DST_UNREACH_NOROUTE 0 /* no route to destination */
+#define ICMP6_DST_UNREACH_ADMIN 1 /* administratively prohibited */
+#define ICMP6_DST_UNREACH_NOTNEIGHBOR 2 /* not a neighbor(obsolete) */
+#define ICMP6_DST_UNREACH_BEYONDSCOPE 2 /* beyond scope of source address */
+#define ICMP6_DST_UNREACH_ADDR 3 /* address unreachable */
+#define ICMP6_DST_UNREACH_NOPORT 4 /* port unreachable */
+
+#define ICMP6_TIME_EXCEED_TRANSIT 0 /* ttl==0 in transit */
+#define ICMP6_TIME_EXCEED_REASSEMBLY 1 /* ttl==0 in reass */
+
+#define ICMP6_PARAMPROB_HEADER 0 /* erroneous header field */
+#define ICMP6_PARAMPROB_NEXTHEADER 1 /* unrecognized next header */
+#define ICMP6_PARAMPROB_OPTION 2 /* unrecognized option */
+
+#define ICMP6_INFOMSG_MASK 0x80 /* all informational messages */
+
+#define ICMP6_NI_SUBJ_IPV6 0 /* Query Subject is an IPv6 address */
+#define ICMP6_NI_SUBJ_FQDN 1 /* Query Subject is a Domain name */
+#define ICMP6_NI_SUBJ_IPV4 2 /* Query Subject is an IPv4 address */
+
+#define ICMP6_NI_SUCCESS 0 /* node information successful reply */
+#define ICMP6_NI_REFUSED 1 /* node information request is refused */
+#define ICMP6_NI_UNKNOWN 2 /* unknown Qtype */
+
+#define ICMP6_ROUTER_RENUMBERING_COMMAND 0 /* rr command */
+#define ICMP6_ROUTER_RENUMBERING_RESULT 1 /* rr result */
+#define ICMP6_ROUTER_RENUMBERING_SEQNUM_RESET 255 /* rr seq num reset */
+
+/* Used in kernel only */
+#define ND_REDIRECT_ONLINK 0 /* redirect to an on-link node */
+#define ND_REDIRECT_ROUTER 1 /* redirect to a better router */
+
+/*
+ * Multicast Listener Discovery
+ */
+struct mld_hdr {
+ struct icmp6_hdr mld_icmp6_hdr;
+ struct in6_addr mld_addr; /* multicast address */
+ };
+
+/* definitions to provide backward compatibility to old KAME applications */
+#ifndef _KERNEL
+#define mld6_hdr mld_hdr
+#define mld6_type mld_type
+#define mld6_code mld_code
+#define mld6_cksum mld_cksum
+#define mld6_maxdelay mld_maxdelay
+#define mld6_reserved mld_reserved
+#define mld6_addr mld_addr
+#endif
+
+/* shortcut macro definitions */
+#define mld_type mld_icmp6_hdr.icmp6_type
+#define mld_code mld_icmp6_hdr.icmp6_code
+#define mld_cksum mld_icmp6_hdr.icmp6_cksum
+#define mld_maxdelay mld_icmp6_hdr.icmp6_data16[0]
+#define mld_reserved mld_icmp6_hdr.icmp6_data16[1]
+
+/*
+ * Neighbor Discovery
+ */
+
+struct nd_router_solicit { /* router solicitation */
+ struct icmp6_hdr nd_rs_hdr;
+ /* could be followed by options */
+ };
+
+#define nd_rs_type nd_rs_hdr.icmp6_type
+#define nd_rs_code nd_rs_hdr.icmp6_code
+#define nd_rs_cksum nd_rs_hdr.icmp6_cksum
+#define nd_rs_reserved nd_rs_hdr.icmp6_data32[0]
+
+struct nd_router_advert { /* router advertisement */
+ struct icmp6_hdr nd_ra_hdr;
+ u_int32_t nd_ra_reachable; /* reachable time */
+ u_int32_t nd_ra_retransmit; /* retransmit timer */
+ /* could be followed by options */
+ };
+
+#define nd_ra_type nd_ra_hdr.icmp6_type
+#define nd_ra_code nd_ra_hdr.icmp6_code
+#define nd_ra_cksum nd_ra_hdr.icmp6_cksum
+#define nd_ra_curhoplimit nd_ra_hdr.icmp6_data8[0]
+#define nd_ra_flags_reserved nd_ra_hdr.icmp6_data8[1]
+#define ND_RA_FLAG_MANAGED 0x80
+#define ND_RA_FLAG_OTHER 0x40
+#define ND_RA_FLAG_HA 0x20
+
+/*
+ * Router preference values based on draft-draves-ipngwg-router-selection-01.
+ * These are non-standard definitions.
+ */
+#define ND_RA_FLAG_RTPREF_MASK 0x18 /* 00011000 */
+
+#define ND_RA_FLAG_RTPREF_HIGH 0x08 /* 00001000 */
+#define ND_RA_FLAG_RTPREF_MEDIUM 0x00 /* 00000000 */
+#define ND_RA_FLAG_RTPREF_LOW 0x18 /* 00011000 */
+#define ND_RA_FLAG_RTPREF_RSV 0x10 /* 00010000 */
+
+#define nd_ra_router_lifetime nd_ra_hdr.icmp6_data16[1]
+
+struct nd_neighbor_solicit { /* neighbor solicitation */
+ struct icmp6_hdr nd_ns_hdr;
+ struct in6_addr nd_ns_target; /*target address */
+ /* could be followed by options */
+ };
+
+#define nd_ns_type nd_ns_hdr.icmp6_type
+#define nd_ns_code nd_ns_hdr.icmp6_code
+#define nd_ns_cksum nd_ns_hdr.icmp6_cksum
+#define nd_ns_reserved nd_ns_hdr.icmp6_data32[0]
+
+struct nd_neighbor_advert { /* neighbor advertisement */
+ struct icmp6_hdr nd_na_hdr;
+ struct in6_addr nd_na_target; /* target address */
+ /* could be followed by options */
+ };
+
+#define nd_na_type nd_na_hdr.icmp6_type
+#define nd_na_code nd_na_hdr.icmp6_code
+#define nd_na_cksum nd_na_hdr.icmp6_cksum
+#define nd_na_flags_reserved nd_na_hdr.icmp6_data32[0]
+#if BYTE_ORDER == BIG_ENDIAN
+#define ND_NA_FLAG_ROUTER 0x80000000
+#define ND_NA_FLAG_SOLICITED 0x40000000
+#define ND_NA_FLAG_OVERRIDE 0x20000000
+#else
+#if BYTE_ORDER == LITTLE_ENDIAN
+#define ND_NA_FLAG_ROUTER 0x80
+#define ND_NA_FLAG_SOLICITED 0x40
+#define ND_NA_FLAG_OVERRIDE 0x20
+#endif
+#endif
+
+struct nd_redirect { /* redirect */
+ struct icmp6_hdr nd_rd_hdr;
+ struct in6_addr nd_rd_target; /* target address */
+ struct in6_addr nd_rd_dst; /* destination address */
+ /* could be followed by options */
+ };
+
+#define nd_rd_type nd_rd_hdr.icmp6_type
+#define nd_rd_code nd_rd_hdr.icmp6_code
+#define nd_rd_cksum nd_rd_hdr.icmp6_cksum
+#define nd_rd_reserved nd_rd_hdr.icmp6_data32[0]
+
+struct nd_opt_hdr { /* Neighbor discovery option header */
+ u_int8_t nd_opt_type;
+ u_int8_t nd_opt_len;
+ /* followed by option specific data*/
+ };
+
+#define ND_OPT_SOURCE_LINKADDR 1
+#define ND_OPT_TARGET_LINKADDR 2
+#define ND_OPT_PREFIX_INFORMATION 3
+#define ND_OPT_REDIRECTED_HEADER 4
+#define ND_OPT_MTU 5
+
+#define ND_OPT_ROUTE_INFO 200 /* draft-ietf-ipngwg-router-preference, not officially assigned yet */
+
+struct nd_opt_prefix_info { /* prefix information */
+ u_int8_t nd_opt_pi_type;
+ u_int8_t nd_opt_pi_len;
+ u_int8_t nd_opt_pi_prefix_len;
+ u_int8_t nd_opt_pi_flags_reserved;
+ u_int32_t nd_opt_pi_valid_time;
+ u_int32_t nd_opt_pi_preferred_time;
+ u_int32_t nd_opt_pi_reserved2;
+ struct in6_addr nd_opt_pi_prefix;
+ };
+
+#define ND_OPT_PI_FLAG_ONLINK 0x80
+#define ND_OPT_PI_FLAG_AUTO 0x40
+
+struct nd_opt_rd_hdr { /* redirected header */
+ u_int8_t nd_opt_rh_type;
+ u_int8_t nd_opt_rh_len;
+ u_int16_t nd_opt_rh_reserved1;
+ u_int32_t nd_opt_rh_reserved2;
+ /* followed by IP header and data */
+ };
+
+struct nd_opt_mtu { /* MTU option */
+ u_int8_t nd_opt_mtu_type;
+ u_int8_t nd_opt_mtu_len;
+ u_int16_t nd_opt_mtu_reserved;
+ u_int32_t nd_opt_mtu_mtu;
+ };
+
+struct nd_opt_route_info { /* route info */
+ u_int8_t nd_opt_rti_type;
+ u_int8_t nd_opt_rti_len;
+ u_int8_t nd_opt_rti_prefixlen;
+ u_int8_t nd_opt_rti_flags;
+ u_int32_t nd_opt_rti_lifetime;
+ /* prefix follows */
+ };
+
+/*
+ * icmp6 namelookup
+ */
+
+struct icmp6_namelookup {
+ struct icmp6_hdr icmp6_nl_hdr;
+ u_int8_t icmp6_nl_nonce[8];
+ int32_t icmp6_nl_ttl;
+#if 0
+ u_int8_t icmp6_nl_len;
+ u_int8_t icmp6_nl_name[3];
+#endif
+ /* could be followed by options */
+ };
+
+/*
+ * icmp6 node information
+ */
+struct icmp6_nodeinfo {
+ struct icmp6_hdr icmp6_ni_hdr;
+ u_int8_t icmp6_ni_nonce[8];
+ /* could be followed by reply data */
+ };
+
+#define ni_type icmp6_ni_hdr.icmp6_type
+#define ni_code icmp6_ni_hdr.icmp6_code
+#define ni_cksum icmp6_ni_hdr.icmp6_cksum
+#define ni_qtype icmp6_ni_hdr.icmp6_data16[0]
+#define ni_flags icmp6_ni_hdr.icmp6_data16[1]
+
+#define NI_QTYPE_NOOP 0 /* NOOP */
+#define NI_QTYPE_SUPTYPES 1 /* Supported Qtypes */
+#define NI_QTYPE_FQDN 2 /* FQDN (draft 04) */
+#define NI_QTYPE_DNSNAME 2 /* DNS Name */
+#define NI_QTYPE_NODEADDR 3 /* Node Addresses */
+#define NI_QTYPE_IPV4ADDR 4 /* IPv4 Addresses */
+
+#if BYTE_ORDER == BIG_ENDIAN
+#define NI_SUPTYPE_FLAG_COMPRESS 0x1
+#define NI_FQDN_FLAG_VALIDTTL 0x1
+#elif BYTE_ORDER == LITTLE_ENDIAN
+#define NI_SUPTYPE_FLAG_COMPRESS 0x0100
+#define NI_FQDN_FLAG_VALIDTTL 0x0100
+#endif
+
+#ifdef NAME_LOOKUPS_04
+#if BYTE_ORDER == BIG_ENDIAN
+#define NI_NODEADDR_FLAG_LINKLOCAL 0x1
+#define NI_NODEADDR_FLAG_SITELOCAL 0x2
+#define NI_NODEADDR_FLAG_GLOBAL 0x4
+#define NI_NODEADDR_FLAG_ALL 0x8
+#define NI_NODEADDR_FLAG_TRUNCATE 0x10
+#define NI_NODEADDR_FLAG_ANYCAST 0x20 /* just experimental. not in spec */
+#elif BYTE_ORDER == LITTLE_ENDIAN
+#define NI_NODEADDR_FLAG_LINKLOCAL 0x0100
+#define NI_NODEADDR_FLAG_SITELOCAL 0x0200
+#define NI_NODEADDR_FLAG_GLOBAL 0x0400
+#define NI_NODEADDR_FLAG_ALL 0x0800
+#define NI_NODEADDR_FLAG_TRUNCATE 0x1000
+#define NI_NODEADDR_FLAG_ANYCAST 0x2000 /* just experimental. not in spec */
+#endif
+#else /* draft-ietf-ipngwg-icmp-name-lookups-05 (and later?) */
+#if BYTE_ORDER == BIG_ENDIAN
+#define NI_NODEADDR_FLAG_TRUNCATE 0x1
+#define NI_NODEADDR_FLAG_ALL 0x2
+#define NI_NODEADDR_FLAG_COMPAT 0x4
+#define NI_NODEADDR_FLAG_LINKLOCAL 0x8
+#define NI_NODEADDR_FLAG_SITELOCAL 0x10
+#define NI_NODEADDR_FLAG_GLOBAL 0x20
+#define NI_NODEADDR_FLAG_ANYCAST 0x40 /* just experimental. not in spec */
+#elif BYTE_ORDER == LITTLE_ENDIAN
+#define NI_NODEADDR_FLAG_TRUNCATE 0x0100
+#define NI_NODEADDR_FLAG_ALL 0x0200
+#define NI_NODEADDR_FLAG_COMPAT 0x0400
+#define NI_NODEADDR_FLAG_LINKLOCAL 0x0800
+#define NI_NODEADDR_FLAG_SITELOCAL 0x1000
+#define NI_NODEADDR_FLAG_GLOBAL 0x2000
+#define NI_NODEADDR_FLAG_ANYCAST 0x4000 /* just experimental. not in spec */
+#endif
+#endif
+
+struct ni_reply_fqdn {
+ u_int32_t ni_fqdn_ttl; /* TTL */
+ u_int8_t ni_fqdn_namelen; /* length in octets of the FQDN */
+ u_int8_t ni_fqdn_name[3]; /* XXX: alignment */
+ };
+
+/*
+ * Router Renumbering. as router-renum-08.txt
+ */
+struct icmp6_router_renum { /* router renumbering header */
+ struct icmp6_hdr rr_hdr;
+ u_int8_t rr_segnum;
+ u_int8_t rr_flags;
+ u_int16_t rr_maxdelay;
+ u_int32_t rr_reserved;
+ };
+
+#define ICMP6_RR_FLAGS_TEST 0x80
+#define ICMP6_RR_FLAGS_REQRESULT 0x40
+#define ICMP6_RR_FLAGS_FORCEAPPLY 0x20
+#define ICMP6_RR_FLAGS_SPECSITE 0x10
+#define ICMP6_RR_FLAGS_PREVDONE 0x08
+
+#define rr_type rr_hdr.icmp6_type
+#define rr_code rr_hdr.icmp6_code
+#define rr_cksum rr_hdr.icmp6_cksum
+#define rr_seqnum rr_hdr.icmp6_data32[0]
+
+struct rr_pco_match { /* match prefix part */
+ u_int8_t rpm_code;
+ u_int8_t rpm_len;
+ u_int8_t rpm_ordinal;
+ u_int8_t rpm_matchlen;
+ u_int8_t rpm_minlen;
+ u_int8_t rpm_maxlen;
+ u_int16_t rpm_reserved;
+ struct in6_addr rpm_prefix;
+ };
+
+#define RPM_PCO_ADD 1
+#define RPM_PCO_CHANGE 2
+#define RPM_PCO_SETGLOBAL 3
+#define RPM_PCO_MAX 4
+
+struct rr_pco_use { /* use prefix part */
+ u_int8_t rpu_uselen;
+ u_int8_t rpu_keeplen;
+ u_int8_t rpu_ramask;
+ u_int8_t rpu_raflags;
+ u_int32_t rpu_vltime;
+ u_int32_t rpu_pltime;
+ u_int32_t rpu_flags;
+ struct in6_addr rpu_prefix;
+ };
+
+#define ICMP6_RR_PCOUSE_RAFLAGS_ONLINK 0x80
+#define ICMP6_RR_PCOUSE_RAFLAGS_AUTO 0x40
+
+#if BYTE_ORDER == BIG_ENDIAN
+#define ICMP6_RR_PCOUSE_FLAGS_DECRVLTIME 0x80000000
+#define ICMP6_RR_PCOUSE_FLAGS_DECRPLTIME 0x40000000
+#elif BYTE_ORDER == LITTLE_ENDIAN
+#define ICMP6_RR_PCOUSE_FLAGS_DECRVLTIME 0x80
+#define ICMP6_RR_PCOUSE_FLAGS_DECRPLTIME 0x40
+#endif
+
+struct rr_result { /* router renumbering result message */
+ u_int16_t rrr_flags;
+ u_int8_t rrr_ordinal;
+ u_int8_t rrr_matchedlen;
+ u_int32_t rrr_ifid;
+ struct in6_addr rrr_prefix;
+ };
+
+#include <sys/packoff.h>
+
+#if BYTE_ORDER == BIG_ENDIAN
+#define ICMP6_RR_RESULT_FLAGS_OOB 0x0002
+#define ICMP6_RR_RESULT_FLAGS_FORBIDDEN 0x0001
+#elif BYTE_ORDER == LITTLE_ENDIAN
+#define ICMP6_RR_RESULT_FLAGS_OOB 0x0200
+#define ICMP6_RR_RESULT_FLAGS_FORBIDDEN 0x0100
+#endif
+
+/*
+ * icmp6 filter structures.
+ */
+
+struct icmp6_filter {
+ u_int32_t icmp6_filt[8];
+ };
+
+#define ICMP6_FILTER_SETPASSALL(filterp) \
+ memset(filterp, 0xff, sizeof(struct icmp6_filter))
+#define ICMP6_FILTER_SETBLOCKALL(filterp) \
+ memset(filterp, 0x00, sizeof(struct icmp6_filter))
+
+#define ICMP6_FILTER_SETPASS(type, filterp) \
+ (((filterp)->icmp6_filt[(type) >> 5]) |= (1 << ((type) & 31)))
+#define ICMP6_FILTER_SETBLOCK(type, filterp) \
+ (((filterp)->icmp6_filt[(type) >> 5]) &= ~(1 << ((type) & 31)))
+#define ICMP6_FILTER_WILLPASS(type, filterp) \
+ ((((filterp)->icmp6_filt[(type) >> 5]) & (1 << ((type) & 31))) != 0)
+#define ICMP6_FILTER_WILLBLOCK(type, filterp) \
+ ((((filterp)->icmp6_filt[(type) >> 5]) & (1 << ((type) & 31))) == 0)
+
+/*
+ * Variables related to this implementation
+ * of the internet control message protocol version 6.
+ */
+struct icmp6errstat {
+ u_quad_t icp6errs_dst_unreach_noroute;
+ u_quad_t icp6errs_dst_unreach_admin;
+ u_quad_t icp6errs_dst_unreach_beyondscope;
+ u_quad_t icp6errs_dst_unreach_addr;
+ u_quad_t icp6errs_dst_unreach_noport;
+ u_quad_t icp6errs_packet_too_big;
+ u_quad_t icp6errs_time_exceed_transit;
+ u_quad_t icp6errs_time_exceed_reassembly;
+ u_quad_t icp6errs_paramprob_header;
+ u_quad_t icp6errs_paramprob_nextheader;
+ u_quad_t icp6errs_paramprob_option;
+ u_quad_t icp6errs_redirect; /* we regard redirect as an error here */
+ u_quad_t icp6errs_unknown;
+ };
+
+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 message processed */
+ 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 */
+ /*
+ * number of responses: this member is inherited from netinet code, but
+ * for netinet6 code, it is already available in icp6s_outhist[].
+ */
+ u_quad_t icp6s_reflect;
+ u_quad_t icp6s_inhist[256];
+ u_quad_t icp6s_nd_toomanyopt; /* too many ND options */
+ struct icmp6errstat icp6s_outerrhist;
+#define icp6s_odst_unreach_noroute \
+ icp6s_outerrhist.icp6errs_dst_unreach_noroute
+#define icp6s_odst_unreach_admin icp6s_outerrhist.icp6errs_dst_unreach_admin
+#define icp6s_odst_unreach_beyondscope \
+ icp6s_outerrhist.icp6errs_dst_unreach_beyondscope
+#define icp6s_odst_unreach_addr icp6s_outerrhist.icp6errs_dst_unreach_addr
+#define icp6s_odst_unreach_noport icp6s_outerrhist.icp6errs_dst_unreach_noport
+#define icp6s_opacket_too_big icp6s_outerrhist.icp6errs_packet_too_big
+#define icp6s_otime_exceed_transit \
+ icp6s_outerrhist.icp6errs_time_exceed_transit
+#define icp6s_otime_exceed_reassembly \
+ icp6s_outerrhist.icp6errs_time_exceed_reassembly
+#define icp6s_oparamprob_header icp6s_outerrhist.icp6errs_paramprob_header
+#define icp6s_oparamprob_nextheader \
+ icp6s_outerrhist.icp6errs_paramprob_nextheader
+#define icp6s_oparamprob_option icp6s_outerrhist.icp6errs_paramprob_option
+#define icp6s_oredirect icp6s_outerrhist.icp6errs_redirect
+#define icp6s_ounknown icp6s_outerrhist.icp6errs_unknown
+ u_quad_t icp6s_pmtuchg; /* path MTU changes */
+ u_quad_t icp6s_nd_badopt; /* bad ND options */
+ u_quad_t icp6s_badns; /* bad neighbor solicitation */
+ u_quad_t icp6s_badna; /* bad neighbor advertisement */
+ u_quad_t icp6s_badrs; /* bad router advertisement */
+ u_quad_t icp6s_badra; /* bad router advertisement */
+ u_quad_t icp6s_badredirect; /* bad redirect message */
+ };
+
+/*
+ * 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_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 obsoleted, do not reuse here */
+#define ICMPV6CTL_NODEINFO 13
+#define ICMPV6CTL_ERRPPSLIMIT 14 /* ICMPv6 error pps limitation */
+#define ICMPV6CTL_ND6_MAXNUDHINT 15
+#define ICMPV6CTL_MTUDISC_HIWAT 16
+#define ICMPV6CTL_MTUDISC_LOWAT 17
+#define ICMPV6CTL_ND6_DEBUG 18
+#define ICMPV6CTL_ND6_DRLIST 19
+#define ICMPV6CTL_ND6_PRLIST 20
+#define ICMPV6CTL_MAXID 21
+
+#define ICMPV6CTL_NAMES { \
+ { 0, 0 }, \
+ { 0, 0 }, \
+ { "rediraccept", CTLTYPE_INT }, \
+ { "redirtimeout", CTLTYPE_INT }, \
+ { 0, 0 }, \
+ { 0, 0 }, \
+ { "nd6_prune", CTLTYPE_INT }, \
+ { 0, 0 }, \
+ { "nd6_delay", CTLTYPE_INT }, \
+ { "nd6_umaxtries", CTLTYPE_INT }, \
+ { "nd6_mmaxtries", CTLTYPE_INT }, \
+ { "nd6_useloopback", CTLTYPE_INT }, \
+ { 0, 0 }, \
+ { "nodeinfo", CTLTYPE_INT }, \
+ { "errppslimit", CTLTYPE_INT }, \
+ { "nd6_maxnudhint", CTLTYPE_INT }, \
+ { "mtudisc_hiwat", CTLTYPE_INT }, \
+ { "mtudisc_lowat", CTLTYPE_INT }, \
+ { "nd6_debug", CTLTYPE_INT }, \
+ { 0, 0 }, \
+ { 0, 0 }, \
+}
+
+#define RTF_PROBEMTU RTF_PROTO1
+
+#ifdef _KERNEL
+# ifdef __STDC__
+struct rtentry;
+struct rttimer;
+struct in6_multi;
+# endif
+void icmp6_init(void);
+void icmp6_paramerror(struct mbuf *, int);
+void icmp6_error(struct mbuf *, int, int, int);
+int icmp6_input(struct mbuf **, int *, int);
+void icmp6_fasttimo(void);
+void icmp6_reflect(struct mbuf *, size_t);
+void icmp6_prepare(struct mbuf *);
+void icmp6_redirect_input(struct mbuf *, int);
+void icmp6_redirect_output(struct mbuf *, struct rtentry *);
+
+struct ip6ctlparam;
+void icmp6_mtudisc_update(struct ip6ctlparam *, int);
+
+/* XXX: is this the right place for these macros? */
+#define icmp6_ifstat_inc(ifp, tag) \
+do { \
+ if ((ifp) && (ifp)->if_index <= if_index \
+ && (ifp)->if_index < icmp6_ifstatmax \
+ && icmp6_ifstat && icmp6_ifstat[(ifp)->if_index]) { \
+ icmp6_ifstat[(ifp)->if_index]->tag++; \
+ } \
+} while (0)
+
+#define icmp6_ifoutstat_inc(ifp, type, code) \
+do { \
+ icmp6_ifstat_inc(ifp, ifs6_out_msg); \
+ if (type < ICMP6_INFOMSG_MASK) \
+ icmp6_ifstat_inc(ifp, ifs6_out_error); \
+ switch(type) { \
+ case ICMP6_DST_UNREACH: \
+ icmp6_ifstat_inc(ifp, ifs6_out_dstunreach); \
+ if (code == ICMP6_DST_UNREACH_ADMIN) \
+ icmp6_ifstat_inc(ifp, ifs6_out_adminprohib); \
+ break; \
+ case ICMP6_PACKET_TOO_BIG: \
+ icmp6_ifstat_inc(ifp, ifs6_out_pkttoobig); \
+ break; \
+ case ICMP6_TIME_EXCEEDED: \
+ icmp6_ifstat_inc(ifp, ifs6_out_timeexceed); \
+ break; \
+ case ICMP6_PARAM_PROB: \
+ icmp6_ifstat_inc(ifp, ifs6_out_paramprob); \
+ break; \
+ case ICMP6_ECHO_REQUEST: \
+ icmp6_ifstat_inc(ifp, ifs6_out_echo); \
+ break; \
+ case ICMP6_ECHO_REPLY: \
+ icmp6_ifstat_inc(ifp, ifs6_out_echoreply); \
+ break; \
+ case MLD_LISTENER_QUERY: \
+ icmp6_ifstat_inc(ifp, ifs6_out_mldquery); \
+ break; \
+ case MLD_LISTENER_REPORT: \
+ icmp6_ifstat_inc(ifp, ifs6_out_mldreport); \
+ break; \
+ case MLD_LISTENER_DONE: \
+ icmp6_ifstat_inc(ifp, ifs6_out_mlddone); \
+ break; \
+ case ND_ROUTER_SOLICIT: \
+ icmp6_ifstat_inc(ifp, ifs6_out_routersolicit); \
+ break; \
+ case ND_ROUTER_ADVERT: \
+ icmp6_ifstat_inc(ifp, ifs6_out_routeradvert); \
+ break; \
+ case ND_NEIGHBOR_SOLICIT: \
+ icmp6_ifstat_inc(ifp, ifs6_out_neighborsolicit); \
+ break; \
+ case ND_NEIGHBOR_ADVERT: \
+ icmp6_ifstat_inc(ifp, ifs6_out_neighboradvert); \
+ break; \
+ case ND_REDIRECT: \
+ icmp6_ifstat_inc(ifp, ifs6_out_redirect); \
+ break; \
+ } \
+} while (0)
+
+extern int icmp6_rediraccept; /* accept/process redirects */
+extern int icmp6_redirtimeout; /* cache time for redirect routes */
+#endif /* _KERNEL */
+
+#endif /* not _NETINET_ICMP6_H_ */
projects / oftp / blobdiff