/* $NetBSD: icmp6.h,v 1.5 1999/11/19 10:41:43 bouyer 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 _NETINET6_ICMPV6_H_ #define _NETINET6_ICMPV6_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_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 #elif BYTE_ORDER == LITTLE_ENDIAN #define ND_NA_FLAG_ROUTER 0x80 #define ND_NA_FLAG_SOLICITED 0x40 #define ND_NA_FLAG_OVERRIDE 0x20 #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_int64_t icmp6_nl_nonce; u_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_int64_t icmp6_ni_nonce; /* 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 #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 #elif BYTE_ORDER == LITTLE_ENDIAN #define NI_SUPTYPE_FLAG_COMPRESS 0x0100 #define NI_FQDN_FLAG_VALIDTTL 0x0100 #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 #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 */ #if BYTE_ORDER == BIG_ENDIAN /* net byte order */ struct icmp6_router_renum { /* router renumbering header */ struct icmp6_hdr rr_hdr; u_int8_t rr_segnum; u_int8_t rr_test : 1; u_int8_t rr_reqresult : 1; u_int8_t rr_forceapply : 1; u_int8_t rr_specsite : 1; u_int8_t rr_prevdone : 1; u_int8_t rr_flags_reserved : 3; u_int16_t rr_maxdelay; u_int32_t rr_reserved; }; #elif BYTE_ORDER == LITTLE_ENDIAN struct icmp6_router_renum { /* router renumbering header */ struct icmp6_hdr rr_hdr; u_int8_t rr_segnum; u_int8_t rr_flags_reserved : 3; u_int8_t rr_prevdone : 1; u_int8_t rr_specsite : 1; u_int8_t rr_forceapply : 1; u_int8_t rr_reqresult : 1; u_int8_t rr_test : 1; u_int16_t rr_maxdelay; u_int32_t rr_reserved; }; #endif /* BYTE_ORDER */ #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 #if BYTE_ORDER == BIG_ENDIAN /* net byte order */ struct rr_pco_use { /* use prefix part */ u_int8_t rpu_uselen; u_int8_t rpu_keeplen; u_int8_t rpu_mask_onlink : 1; u_int8_t rpu_mask_autonomous : 1; u_int8_t rpu_mask_reserved : 6; u_int8_t rpu_onlink : 1; u_int8_t rpu_autonomous : 1; u_int8_t rpu_raflags_reserved : 6; u_int32_t rpu_vltime; u_int32_t rpu_pltime; u_int32_t rpu_decr_vltime : 1; u_int32_t rpu_decr_pltime : 1; u_int32_t rpu_flags_reserved : 6; u_int32_t rpu_reserved : 24; struct in6_addr rpu_prefix; }; #elif BYTE_ORDER == LITTLE_ENDIAN struct rr_pco_use { /* use prefix part */ u_int8_t rpu_uselen; u_int8_t rpu_keeplen; u_int8_t rpu_mask_reserved : 6; u_int8_t rpu_mask_autonomous : 1; u_int8_t rpu_mask_onlink : 1; u_int8_t rpu_raflags_reserved : 6; u_int8_t rpu_autonomous : 1; u_int8_t rpu_onlink : 1; u_int32_t rpu_vltime; u_int32_t rpu_pltime; u_int32_t rpu_flags_reserved : 6; u_int32_t rpu_decr_pltime : 1; u_int32_t rpu_decr_vltime : 1; u_int32_t rpu_reserved : 24; struct in6_addr rpu_prefix; }; #endif /* BYTE_ORDER */ #if BYTE_ORDER == BIG_ENDIAN /* net byte order */ struct rr_result { /* router renumbering result message */ u_int8_t rrr_reserved; u_int8_t rrr_flags_reserved : 6; u_int8_t rrr_outofbound : 1; u_int8_t rrr_forbidden : 1; u_int8_t rrr_ordinal; u_int8_t rrr_matchedlen; u_int32_t rrr_ifid; struct in6_addr rrr_prefix; }; #elif BYTE_ORDER == LITTLE_ENDIAN struct rr_result { /* router renumbering result message */ u_int8_t rrr_reserved; u_int8_t rrr_forbidden : 1; u_int8_t rrr_outofbound : 1; u_int8_t rrr_flags_reserved : 6; u_int8_t rrr_ordinal; u_int8_t rrr_matchedlen; u_int32_t rrr_ifid; struct in6_addr rrr_prefix; }; #endif /* BYTE_ORDER */ /* * icmp6 filter structures. */ struct icmp6_filter { u_int32_t icmp6_filter[8]; }; #ifdef _KERNEL #define ICMP6_FILTER_SETPASSALL(filterp) \ { \ int i; u_char *p; \ p = (u_char *)filterp; \ for (i = 0; i < sizeof(struct icmp6_filter); i++) \ p[i] = 0xff; \ } #define ICMP6_FILTER_SETBLOCKALL(filterp) \ bzero(filterp, sizeof(struct icmp6_filter)) #else /* _KERNEL */ #define ICMP6_FILTER_SETPASSALL(filterp) \ memset(filterp, 0xff, sizeof(struct icmp6_filter)) #define ICMP6_FILTER_SETBLOCKALL(filterp) \ memset(filterp, 0x00, sizeof(struct icmp6_filter)) #endif /* _KERNEL */ #define ICMP6_FILTER_SETPASS(type, filterp) \ (((filterp)->icmp6_filter[(type) >> 5]) |= (1 << ((type) & 31))) #define ICMP6_FILTER_SETBLOCK(type, filterp) \ (((filterp)->icmp6_filter[(type) >> 5]) &= ~(1 << ((type) & 31))) #define ICMP6_FILTER_WILLPASS(type, filterp) \ ((((filterp)->icmp6_filter[(type) >> 5]) & (1 << ((type) & 31))) != 0) #define ICMP6_FILTER_WILLBLOCK(type, filterp) \ ((((filterp)->icmp6_filter[(type) >> 5]) & (1 << ((type) & 31))) == 0) #if defined(__FreeBSD__) || defined(__NetBSD__) /* * Variables related to this implementation * of the internet control message protocol version 6. */ struct icmp6stat { /* statistics related to icmp6 packets generated */ u_quad_t icp6s_error; /* # of calls to icmp6_error */ u_quad_t icp6s_canterror; /* no error 'cuz old was icmp */ u_quad_t icp6s_toofreq; /* no error 'cuz rate limitation */ u_quad_t icp6s_outhist[256]; /* statistics related to input messages proccesed */ u_quad_t icp6s_badcode; /* icmp6_code out of range */ u_quad_t icp6s_tooshort; /* packet < sizeof(struct icmp6_hdr) */ u_quad_t icp6s_checksum; /* bad checksum */ u_quad_t icp6s_badlen; /* calculated bound mismatch */ u_quad_t icp6s_reflect; /* number of responses */ u_quad_t icp6s_inhist[256]; }; /* * Names for ICMP sysctl objects */ #define ICMPV6CTL_STATS 1 #define ICMPV6CTL_REDIRACCEPT 2 /* accept/process redirects */ #define ICMPV6CTL_REDIRTIMEOUT 3 /* redirect cache time */ #define ICMPV6CTL_PRINTFS 4 #define ICMPV6CTL_ERRRATELIMIT 5 /* ICMPv6 error rate limitation */ #define ICMPV6CTL_ND6_PRUNE 6 #define ICMPV6CTL_ND6_DELAY 8 #define ICMPV6CTL_ND6_UMAXTRIES 9 #define ICMPV6CTL_ND6_MMAXTRIES 10 #define ICMPV6CTL_ND6_USELOOPBACK 11 #define ICMPV6CTL_ND6_PROXYALL 12 #define ICMPV6CTL_MAXID 13 #define ICMPV6CTL_NAMES { \ { 0, 0 }, \ { 0, 0 }, \ { "rediraccept", CTLTYPE_INT }, \ { "redirtimeout", CTLTYPE_INT }, \ { "printfs", CTLTYPE_INT }, \ { "errratelimit", CTLTYPE_INT }, \ { "nd6_prune", CTLTYPE_INT }, \ { 0, 0 }, \ { "nd6_delay", CTLTYPE_INT }, \ { "nd6_umaxtries", CTLTYPE_INT }, \ { "nd6_mmaxtries", CTLTYPE_INT }, \ { "nd6_useloopback", CTLTYPE_INT }, \ { "nd6_proxyall", CTLTYPE_INT }, \ } #endif /*__FreeBSD__*/ #ifdef __bsdi__ /* * Variables related to this implementation * of the internet control message protocol version 6. */ struct icmp6stat { /* statistics related to icmp6 packets generated */ u_quad_t icp6s_error; /* # of calls to icmp6_error */ u_quad_t icp6s_canterror; /* no error 'cuz old was icmp */ u_quad_t icp6s_toofreq; /* no error 'cuz rate limitation */ u_quad_t icp6s_outhist[256]; /* statistics related to input messages proccesed */ u_quad_t icp6s_badcode; /* icmp6_code out of range */ u_quad_t icp6s_tooshort; /* packet < sizeof(struct icmp6_hdr) */ u_quad_t icp6s_checksum; /* bad checksum */ u_quad_t icp6s_badlen; /* calculated bound mismatch */ u_quad_t icp6s_reflect; /* number of responses */ u_quad_t icp6s_inhist[256]; }; /* * Names for ICMP sysctl objects */ #define ICMPV6CTL_REDIRACCEPT 2 /* accept/process redirects */ #define ICMPV6CTL_REDIRTIMEOUT 3 /* redirect cache time */ #define ICMPV6CTL_PRINTFS 4 /* redirect cache time */ #define ICMPV6CTL_STATS 5 /* statistics */ #define ICMPV6CTL_ERRRATELIMIT 6 /* ICMPv6 error rate limitation */ #define ICMPV6CTL_ND6_PRUNE 7 #define ICMPV6CTL_ND6_DELAY 9 #define ICMPV6CTL_ND6_UMAXTRIES 10 #define ICMPV6CTL_ND6_MMAXTRIES 11 #define ICMPV6CTL_ND6_USELOOPBACK 12 #define ICMPV6CTL_ND6_PROXYALL 13 #define ICMPV6CTL_MAXID 14 #ifdef ICMP6PRINTFS #define __ICMP6PRINTFS &icmp6printfs #else #define __ICMP6PRINTFS 0 #endif #define ICMPV6CTL_NAMES { \ { 0, 0 }, \ { 0, 0 }, \ { "rediraccept", CTLTYPE_INT }, \ { "redirtimeout", CTLTYPE_INT }, \ { "printfs", CTLTYPE_INT }, \ { 0, 0 }, \ { "errratelimit", CTLTYPE_INT }, \ { "nd6_prune", CTLTYPE_INT }, \ { 0, 0 }, \ { "nd6_delay", CTLTYPE_INT }, \ { "nd6_umaxtries", CTLTYPE_INT }, \ { "nd6_mmaxtries", CTLTYPE_INT }, \ { "nd6_useloopback", CTLTYPE_INT }, \ { "nd6_proxyall", CTLTYPE_INT }, \ } #define ICMPV6CTL_VARS { \ 0, \ 0, \ &icmp6_rediraccept, \ &icmp6_redirtimeout, \ __ICMP6PRINTFS, \ 0, \ &icmp6errratelim, \ &nd6_prune, \ 0, \ &nd6_delay, \ &nd6_umaxtries, \ &nd6_mmaxtries, \ &nd6_useloopback, \ &nd6_proxyall, \ } #endif /*__bsdi__*/ #define RTF_PROBEMTU RTF_PROTO1 #ifdef _KERNEL # ifdef __STDC__ struct rtentry; struct rttimer; struct in6_multi; # endif void icmp6_init __P((void)); void icmp6_paramerror __P((struct mbuf *, int)); void icmp6_error __P((struct mbuf *, int, int, int)); int icmp6_input __P((struct mbuf **, int *, int)); void icmp6_fasttimo __P((void)); void icmp6_reflect __P((struct mbuf *, size_t)); void icmp6_prepare __P((struct mbuf *)); void icmp6_redirect_input __P((struct mbuf *, int)); void icmp6_redirect_output __P((struct mbuf *, struct rtentry *)); #ifdef __bsdi__ int icmp6_sysctl __P((int *, u_int, void *, size_t *, void *, size_t)); void icmp6_mtuexpire __P((struct rtentry *, struct rttimer *)); #endif /*__bsdi__*/ #ifdef __NetBSD__ int icmp6_sysctl __P((int *, u_int, void *, size_t *, void *, size_t)); #endif /* __NetBSD__ */ extern struct icmp6stat icmp6stat; extern int icmp6_rediraccept; /* accept/process redirects */ extern int icmp6_redirtimeout; /* cache time for redirect routes */ #endif /* _KERNEL */ #endif /* not _NETINET6_ICMPV6_H_ */