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author | itojun <itojun@FreeBSD.org> | 2000-07-04 16:35:15 +0000 |
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committer | itojun <itojun@FreeBSD.org> | 2000-07-04 16:35:15 +0000 |
commit | 5f4e854de19331a53788d6100bbcd42845056bc1 (patch) | |
tree | 3ff8c876a5868b103fb8713055d83e29a3fa38d5 /sys/netinet/icmp6.h | |
parent | bdc16885232d771a99d7dfc247cd27a44cd061f9 (diff) | |
download | FreeBSD-src-5f4e854de19331a53788d6100bbcd42845056bc1.zip FreeBSD-src-5f4e854de19331a53788d6100bbcd42845056bc1.tar.gz |
sync with kame tree as of july00. tons of bug fixes/improvements.
API changes:
- additional IPv6 ioctls
- IPsec PF_KEY API was changed, it is mandatory to upgrade setkey(8).
(also syntax change)
Diffstat (limited to 'sys/netinet/icmp6.h')
-rw-r--r-- | sys/netinet/icmp6.h | 634 |
1 files changed, 628 insertions, 6 deletions
diff --git a/sys/netinet/icmp6.h b/sys/netinet/icmp6.h index 7a3dbbd..3625ee4 100644 --- a/sys/netinet/icmp6.h +++ b/sys/netinet/icmp6.h @@ -1,3 +1,6 @@ +/* $FreeBSD$ */ +/* $KAME: icmp6.h,v 1.18 2000/07/03 02:51:08 itojun Exp $ */ + /* * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. * All rights reserved. @@ -25,15 +28,634 @@ * 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. * - * $FreeBSD$ + * 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_ +#define _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; +}; + +#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 MLD6_LISTENER_QUERY 130 /* multicast listener query */ +#define ICMP6_MEMBERSHIP_REPORT 131 /* group membership report */ +#define MLD6_LISTENER_REPORT 131 /* multicast listener report */ +#define ICMP6_MEMBERSHIP_REDUCTION 132 /* group membership termination */ +#define MLD6_LISTENER_DONE 132 /* multicast listener done */ + +#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 MLD6_MTRACE_RESP 141 /* mtrace response(to sender) */ +#define MLD6_MTRACE 142 /* mtrace messages */ + +#define ICMP6_MAXTYPE 142 + +#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_SUCESS 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 mld6_hdr { + struct icmp6_hdr mld6_hdr; + struct in6_addr mld6_addr; /* multicast address */ +}; + +#define mld6_type mld6_hdr.icmp6_type +#define mld6_code mld6_hdr.icmp6_code +#define mld6_cksum mld6_hdr.icmp6_cksum +#define mld6_maxdelay mld6_hdr.icmp6_data16[0] +#define mld6_reserved mld6_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_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 + +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; +}; + +/* + * 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 */ +#define NI_QTYPE_NODEADDR 3 /* Node Addresses. XXX: spec says 2, but it may be a typo... */ + +#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_SEGNUM 0x80 +#define ICMP6_RR_FLAGS_TEST 0x40 +#define ICMP6_RR_FLAGS_REQRESULT 0x20 +#define ICMP6_RR_FLAGS_FORCEAPPLY 0x10 +#define ICMP6_RR_FLAGS_SPECSITE 0x08 +#define ICMP6_RR_FLAGS_PREVDONE 0x04 + +#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; +}; +#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 0x02 +#define ICMP6_RR_RESULT_FLAGS_FORBIDDEN 0x01 +#endif + +/* + * icmp6 filter structures. + */ + +struct icmp6_filter { + u_int32_t icmp6_filt[8]; +}; + +#ifdef _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 (0) +#define ICMP6_FILTER_SETBLOCKALL(filterp) \ + bzero(filterp, sizeof(struct icmp6_filter)) +#else /* _KERNEL */ +#define ICMP6_FILTER_SETPASSALL(filterp) \ + memset(filterp, 0xff, sizeof(struct icmp6_filter)) +#define ICMP6_FILTER_SETBLOCKALL(filterp) \ + memset(filterp, 0x00, sizeof(struct icmp6_filter)) +#endif /* _KERNEL */ + +#define ICMP6_FILTER_SETPASS(type, filterp) \ + (((filterp)->icmp6_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 */ + u_quad_t icp6s_reflect; /* number of responses */ + 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 +}; + +/* + * 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_ERRRATELIMIT 5 /* ICMPv6 error rate limitation */ +#define ICMPV6CTL_ND6_PRUNE 6 +#define ICMPV6CTL_ND6_DELAY 8 +#define ICMPV6CTL_ND6_UMAXTRIES 9 +#define ICMPV6CTL_ND6_MMAXTRIES 10 +#define ICMPV6CTL_ND6_USELOOPBACK 11 +/*#define ICMPV6CTL_ND6_PROXYALL 12 obsoleted, do not reuse here */ +#define ICMPV6CTL_NODEINFO 13 +#define ICMPV6CTL_ERRPPSLIMIT 14 /* ICMPv6 error pps limitation */ +#define ICMPV6CTL_ND6_MAXNUDHINT 15 +#define ICMPV6CTL_MAXID 16 + +#define ICMPV6CTL_NAMES { \ + { 0, 0 }, \ + { 0, 0 }, \ + { "rediraccept", CTLTYPE_INT }, \ + { "redirtimeout", CTLTYPE_INT }, \ + { 0, 0 }, \ + { "errratelimit", CTLTYPE_INT }, \ + { "nd6_prune", CTLTYPE_INT }, \ + { 0, 0 }, \ + { "nd6_delay", CTLTYPE_INT }, \ + { "nd6_umaxtries", CTLTYPE_INT }, \ + { "nd6_mmaxtries", CTLTYPE_INT }, \ + { "nd6_useloopback", CTLTYPE_INT }, \ + { 0, 0 }, \ + { "nodeinfo", CTLTYPE_INT }, \ + { "errppslimit", CTLTYPE_INT }, \ + { "nd6_maxnudhint", CTLTYPE_INT }, \ +} + +#define RTF_PROBEMTU RTF_PROTO1 + +#ifdef _KERNEL +# ifdef __STDC__ +struct rtentry; +struct rttimer; +struct in6_multi; +# endif +void icmp6_init __P((void)); +void icmp6_paramerror __P((struct mbuf *, int)); +void icmp6_error __P((struct mbuf *, int, int, int)); +int icmp6_input __P((struct mbuf **, int *, int)); +void icmp6_fasttimo __P((void)); +void icmp6_reflect __P((struct mbuf *, size_t)); +void icmp6_prepare __P((struct mbuf *)); +void icmp6_redirect_input __P((struct mbuf *, int)); +void icmp6_redirect_output __P((struct mbuf *, struct rtentry *)); + +/* 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 MLD6_LISTENER_QUERY: \ + icmp6_ifstat_inc(ifp, ifs6_out_mldquery); \ + break; \ + case MLD6_LISTENER_REPORT: \ + icmp6_ifstat_inc(ifp, ifs6_out_mldreport); \ + break; \ + case MLD6_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) -#define __KAME_NETINET_ICMP6_H_INCLUDED_ -#include <netinet6/icmp6.h> -#undef __KAME_NETINET_ICMP6_H_INCLUDED_ +extern int icmp6_rediraccept; /* accept/process redirects */ +extern int icmp6_redirtimeout; /* cache time for redirect routes */ +#endif /* _KERNEL */ -#endif /* !_NETINET_ICMP6_H_ */ +#endif /* not _NETINET_ICMP6_H_ */ |