| /* $FreeBSD$ */ |
| /* $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. |
| * 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 _BSD_NETINET_ICMP6_H_ |
| #define _BSD_NETINET_ICMP6_H_ |
| |
| #define ICMPV6_PLD_MAXLEN 1232 /* IPV6_MMTU - sizeof(struct ip6_hdr) |
| - sizeof(struct icmp6_hdr) */ |
| |
| 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; |
| } __packed; |
| |
| #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 MLD_LISTENER_QUERY 130 /* multicast listener query */ |
| #define MLD_LISTENER_REPORT 131 /* multicast listener report */ |
| #define MLD_LISTENER_DONE 132 /* multicast listener done */ |
| #define MLD_LISTENER_REDUCTION MLD_LISTENER_DONE /* RFC3542 definition */ |
| |
| /* RFC2292 decls */ |
| #define ICMP6_MEMBERSHIP_QUERY 130 /* group membership query */ |
| #define ICMP6_MEMBERSHIP_REPORT 131 /* group membership report */ |
| #define ICMP6_MEMBERSHIP_REDUCTION 132 /* group membership termination */ |
| |
| #ifndef _FREEBSD_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 advertisement */ |
| #define ND_NEIGHBOR_SOLICIT 135 /* neighbor solicitation */ |
| #define ND_NEIGHBOR_ADVERT 136 /* neighbor advertisement */ |
| #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 */ |
| #define MLDV2_LISTENER_REPORT 143 /* RFC3810 listener report */ |
| |
| /* The definitions below are experimental. TBA */ |
| #define MLD_MTRACE_RESP 200 /* mtrace resp (to sender) */ |
| #define MLD_MTRACE 201 /* mtrace messages */ |
| |
| #ifndef _FREEBSD_KERNEL |
| #define MLD6_MTRACE_RESP MLD_MTRACE_RESP |
| #define MLD6_MTRACE MLD_MTRACE |
| #endif |
| |
| #define ICMP6_MAXTYPE 201 |
| |
| #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 */ |
| } __packed; |
| |
| /* definitions to provide backward compatibility to old KAME applications */ |
| #ifndef _FREEBSD_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] |
| #define mld_v2_reserved mld_icmp6_hdr.icmp6_data16[0] |
| #define mld_v2_numrecs 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 */ |
| } __packed; |
| |
| #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 */ |
| } __packed; |
| |
| #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 */ |
| } __packed; |
| |
| #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 */ |
| } __packed; |
| |
| #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 */ |
| } __packed; |
| |
| #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*/ |
| } __packed; |
| |
| #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; |
| } __packed; |
| |
| #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 */ |
| } __packed; |
| |
| 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; |
| } __packed; |
| |
| 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 */ |
| } __packed; |
| |
| /* |
| * 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 */ |
| } __packed; |
| |
| /* |
| * 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 */ |
| } __packed; |
| |
| #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 */ |
| } __packed; |
| |
| /* |
| * 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; |
| } __packed; |
| |
| #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; |
| } __packed; |
| |
| #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; |
| } __packed; |
| #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; |
| } __packed; |
| #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]; |
| }; |
| |
| #ifdef _FREEBSD_KERNEL |
| #define ICMP6_FILTER_SETPASSALL(filterp) \ |
| do { \ |
| int i; u_char *p; \ |
| p = (u_char *)filterp; \ |
| for (i = 0; i < sizeof(struct icmp6_filter); i++) \ |
| p[i] = 0xff; \ |
| } while (/*CONSTCOND*/ 0) |
| #define ICMP6_FILTER_SETBLOCKALL(filterp) \ |
| bzero(filterp, sizeof(struct icmp6_filter)) |
| #else /* _FREEBSD_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 /* _FREEBSD_KERNEL */ |
| |
| #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 */ |
| }; |
| |
| #ifdef _FREEBSD_KERNEL |
| /* |
| * In-kernel consumers can use these accessor macros directly to update |
| * stats. |
| */ |
| #define ICMP6STAT_ADD(name, val) V_icmp6stat.name += (val) |
| #define ICMP6STAT_INC(name) ICMP6STAT_ADD(name, 1) |
| |
| /* |
| * Kernel module consumers must use this accessor macro. |
| */ |
| void kmod_icmp6stat_inc(int statnum); |
| #define KMOD_ICMP6STAT_INC(name) \ |
| kmod_icmp6stat_inc(offsetof(struct icmp6stat, name) / sizeof(u_quad_t)) |
| #endif |
| |
| /* |
| * Names for ICMP sysctl objects |
| */ |
| #define ICMPV6CTL_STATS 1 |
| #define ICMPV6CTL_REDIRACCEPT 2 /* accept/process redirects */ |
| #define ICMPV6CTL_REDIRTIMEOUT 3 /* redirect cache time */ |
| #if 0 /*obsoleted*/ |
| #define ICMPV6CTL_ERRRATELIMIT 5 /* ICMPv6 error rate limitation */ |
| #endif |
| #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_MLD_MAXSRCFILTER 21 |
| #define ICMPV6CTL_MLD_SOMAXSRC 22 |
| #define ICMPV6CTL_MLD_VERSION 23 |
| #define ICMPV6CTL_ND6_MAXQLEN 24 |
| #define ICMPV6CTL_MAXID 25 |
| |
| #define RTF_PROBEMTU RTF_PROTO1 |
| |
| #ifdef _FREEBSD_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); |
| void icmp6_error2(struct mbuf *, int, int, int, struct ifnet *); |
| int icmp6_input(struct mbuf **, int *, int); |
| void icmp6_fasttimo(void); |
| void icmp6_slowtimo(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) \ |
| ((struct in6_ifextra *)((ifp)->if_afdata[AF_INET6]))->icmp6_ifstat->tag++; \ |
| } while (/*CONSTCOND*/ 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 (/*CONSTCOND*/ 0) |
| |
| VNET_DECLARE(int, icmp6_rediraccept); /* accept/process redirects */ |
| VNET_DECLARE(int, icmp6_redirtimeout); /* cache time for redirect routes */ |
| |
| #define V_icmp6_rediraccept VNET(icmp6_rediraccept) |
| #define V_icmp6_redirtimeout VNET(icmp6_redirtimeout) |
| |
| #define ICMP6_NODEINFO_FQDNOK 0x1 |
| #define ICMP6_NODEINFO_NODEADDROK 0x2 |
| #define ICMP6_NODEINFO_TMPADDROK 0x4 |
| #define ICMP6_NODEINFO_GLOBALOK 0x8 |
| #endif /* _FREEBSD_KERNEL */ |
| |
| #endif /* not _BSD_NETINET_ICMP6_H_ */ |
