X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/55e303ae13a4cf49d70f2294092726f2fffb9ef2..f427ee49d309d8fc33ebf3042c3a775f2f530ded:/bsd/netinet/icmp6.h diff --git a/bsd/netinet/icmp6.h b/bsd/netinet/icmp6.h index 0310f21d7..5c3207167 100644 --- a/bsd/netinet/icmp6.h +++ b/bsd/netinet/icmp6.h @@ -1,17 +1,20 @@ /* - * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. + * Copyright (c) 2000-2019 Apple Inc. All rights reserved. + * + * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * - * @APPLE_LICENSE_HEADER_START@ - * - * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved. - * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in - * compliance with the License. Please obtain a copy of the License at - * http://www.opensource.apple.com/apsl/ and read it before using this - * file. - * + * compliance with the License. The rights granted to you under the License + * may not be used to create, or enable the creation or redistribution of, + * unlawful or unlicensed copies of an Apple operating system, or to + * circumvent, violate, or enable the circumvention or violation of, any + * terms of an Apple operating system software license agreement. + * + * Please obtain a copy of the License at + * http://www.opensource.apple.com/apsl/ and read it before using this file. + * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, @@ -19,8 +22,8 @@ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. - * - * @APPLE_LICENSE_HEADER_END@ + * + * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ /* $KAME: icmp6.h,v 1.46 2001/04/27 15:09:48 itojun Exp $ */ @@ -90,269 +93,333 @@ #ifndef _NETINET_ICMP6_H_ #define _NETINET_ICMP6_H_ +#ifndef DRIVERKIT #include +#include +#else +#include +#endif /* DRIVERKIT */ -#define ICMPV6_PLD_MAXLEN 1232 /* IPV6_MMTU - sizeof(struct ip6_hdr) - - sizeof(struct icmp6_hdr) */ +#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 */ + 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 */ + 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; -}; +} __attribute__((__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 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_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 */ +#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 MLD6_MTRACE_RESP 200 /* mtrace response(to sender) */ -#define MLD6_MTRACE 201 /* mtrace messages */ +#define MLD_MTRACE_RESP 200 /* mtrace resp (to sender) */ +#define MLD_MTRACE 201 /* mtrace messages */ + +#ifndef KERNEL +#define MLD6_MTRACE_RESP MLD_MTRACE_RESP +#define MLD6_MTRACE MLD_MTRACE +#endif -#define ICMP6_HADISCOV_REQUEST 202 /* XXX To be defined */ -#define ICMP6_HADISCOV_REPLY 203 /* XXX To be defined */ - -#define ICMP6_MAXTYPE 203 +#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_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_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_PARAMPROB_HEADER 0 /* erroneous header field */ +#define ICMP6_PARAMPROB_NEXTHEADER 1 /* unrecognized next header */ +#define ICMP6_PARAMPROB_OPTION 2 /* unrecognized option */ +#define ICMP6_PARAMPROB_FIRSTFRAG_INCOMP_HDR 3 /* first fragment has incomplete IPv6 Header Chain */ -#define ICMP6_INFOMSG_MASK 0x80 /* all informational messages */ +#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_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_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 */ +#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 */ +#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 */ -}; +struct mld_hdr { + struct icmp6_hdr mld_icmp6_hdr; + struct in6_addr mld_addr; /* multicast address */ +} __attribute__((__packed__)); + +/* 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] +#define mld_v2_reserved mld_icmp6_hdr.icmp6_data16[0] +#define mld_v2_numrecs mld_icmp6_hdr.icmp6_data16[1] -#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] +#define ICMP6_ERRORTYPE(type) \ + ((type) == ICMP6_DST_UNREACH || (type) == ICMP6_PACKET_TOO_BIG || \ + (type) == ICMP6_TIME_EXCEEDED || (type) == ICMP6_PARAM_PROB) /* * Neighbor Discovery */ -struct nd_router_solicit { /* router solicitation */ - struct icmp6_hdr nd_rs_hdr; +struct nd_router_solicit { /* router solicitation */ + struct icmp6_hdr nd_rs_hdr; /* could be followed by options */ -}; +}__attribute__((__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] +#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 */ +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 */ +} __attribute__((__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 RFC 4191 */ +#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 */ -}; +}__attribute__((__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] +#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 */ +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 */ -}; +}__attribute__((__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] +#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 +#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 +#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 */ +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 */ -}; +}__attribute__((__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] +#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; +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 +}__attribute__((__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_NONCE 14 /* RFC 3971 */ +#define ND_OPT_ROUTE_INFO 24 /* RFC 4191 */ +#define ND_OPT_RDNSS 25 /* RFC 6106 */ +#define ND_OPT_DNSSL 31 /* RFC 6106 */ +#define ND_OPT_CAPTIVE_PORTAL 37 /* RFC 7710 */ + +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; +}__attribute__((__packed__)); + +#define ND_OPT_PI_FLAG_ONLINK 0x80 +#define ND_OPT_PI_FLAG_AUTO 0x40 + +#define ND_OPT_NONCE_LEN ((1 * 8) - 2) +#if ((ND_OPT_NONCE_LEN + 2) % 8) != 0 +#error "(ND_OPT_NONCE_LEN + 2) must be a multiple of 8." +#endif -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; +struct nd_opt_nonce { /* nonce option */ + u_int8_t nd_opt_nonce_type; + u_int8_t nd_opt_nonce_len; + u_int8_t nd_opt_nonce[ND_OPT_NONCE_LEN]; +} __attribute__((__packed__)); + +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; - /* followed by prefix */ -}; +} __attribute__((__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; +}__attribute__((__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 */ +}__attribute__((__packed__)); + +struct nd_opt_rdnss { /* recursive domain name system servers */ + u_int8_t nd_opt_rdnss_type; + u_int8_t nd_opt_rdnss_len; + u_int16_t nd_opt_rdnss_reserved; + u_int32_t nd_opt_rdnss_lifetime; + struct in6_addr nd_opt_rdnss_addr[1]; +} __attribute__((__packed__)); + +struct nd_opt_dnssl { /* domain name search list */ + u_int8_t nd_opt_dnssl_type; + u_int8_t nd_opt_dnssl_len; + u_int16_t nd_opt_dnssl_reserved; + u_int32_t nd_opt_dnssl_lifetime; + u_int8_t nd_opt_dnssl_domains[8]; +} __attribute__((__packed__)); /* * icmp6 namelookup */ struct icmp6_namelookup { - struct icmp6_hdr icmp6_nl_hdr; - u_int8_t icmp6_nl_nonce[8]; - int32_t icmp6_nl_ttl; + 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]; + u_int8_t icmp6_nl_len; + u_int8_t icmp6_nl_name[3]; #endif /* could be followed by options */ -}; +}__attribute__((__packed__)); /* * icmp6 node information @@ -361,121 +428,121 @@ struct icmp6_nodeinfo { struct icmp6_hdr icmp6_ni_hdr; u_int8_t icmp6_ni_nonce[8]; /* could be followed by reply data */ -}; +}__attribute__((__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_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 */ +#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 +#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 +#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 */ +#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 */ +#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 */ +#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 */ +#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_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 */ -}; +}__attribute__((__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; -}; - -#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 +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; +} __attribute__((__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; +} __attribute__((__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; +} __attribute__((__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 @@ -485,19 +552,19 @@ struct rr_pco_use { /* use prefix part */ #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; -}; +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; +} __attribute__((__packed__)); #if BYTE_ORDER == BIG_ENDIAN -#define ICMP6_RR_RESULT_FLAGS_OOB 0x0002 -#define ICMP6_RR_RESULT_FLAGS_FORBIDDEN 0x0001 +#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 +#define ICMP6_RR_RESULT_FLAGS_OOB 0x0200 +#define ICMP6_RR_RESULT_FLAGS_FORBIDDEN 0x0100 #endif /* @@ -509,34 +576,31 @@ struct icmp6_filter { }; #ifdef KERNEL -#ifdef __APPLE_API_UNSTABLE -#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; \ +#define ICMP6_FILTER_SETPASSALL(filterp) \ +do { \ + int i; u_char *ptr; \ + ptr = (u_char *)filterp; \ + for (i = 0; i < sizeof(struct icmp6_filter); i++) \ + ptr[i] = 0xff; \ } while (0) -#define ICMP6_FILTER_SETBLOCKALL(filterp) \ +#define ICMP6_FILTER_SETBLOCKALL(filterp) \ bzero(filterp, sizeof(struct icmp6_filter)) -#endif /* __APPLE_API_UNSTABLE */ #else /* KERNEL */ -#define ICMP6_FILTER_SETPASSALL(filterp) \ +#define ICMP6_FILTER_SETPASSALL(filterp) \ memset(filterp, 0xff, sizeof(struct icmp6_filter)) -#define ICMP6_FILTER_SETBLOCKALL(filterp) \ +#define ICMP6_FILTER_SETBLOCKALL(filterp) \ memset(filterp, 0x00, sizeof(struct icmp6_filter)) #endif /* KERNEL */ -#define ICMP6_FILTER_SETPASS(type, filterp) \ +#define ICMP6_FILTER_SETPASS(type, filterp) \ (((filterp)->icmp6_filt[(type) >> 5]) |= (1 << ((type) & 31))) -#define ICMP6_FILTER_SETBLOCK(type, filterp) \ +#define ICMP6_FILTER_SETBLOCK(type, filterp) \ (((filterp)->icmp6_filt[(type) >> 5]) &= ~(1 << ((type) & 31))) -#define ICMP6_FILTER_WILLPASS(type, filterp) \ +#define ICMP6_FILTER_WILLPASS(type, filterp) \ ((((filterp)->icmp6_filt[(type) >> 5]) & (1 << ((type) & 31))) != 0) -#define ICMP6_FILTER_WILLBLOCK(type, filterp) \ +#define ICMP6_FILTER_WILLBLOCK(type, filterp) \ ((((filterp)->icmp6_filt[(type) >> 5]) & (1 << ((type) & 31))) == 0) -#ifdef __APPLE_API_UNSTABLE /* * Variables related to this implementation * of the internet control message protocol version 6. @@ -559,18 +623,18 @@ struct icmp6errstat { 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_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 */ + 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 @@ -590,37 +654,49 @@ struct icmp6stat { #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 */ + 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 */ + u_quad_t icp6s_rfc6980_drop; /* NDP packet dropped based on RFC 6980 */ + u_quad_t icp6s_badpkttoobig; /* bad packet too big */ }; /* * 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_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_MAXID 21 - +#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_ND6_ACCEPT_6TO4 25 +#define ICMPV6CTL_ND6_OPTIMISTIC_DAD 26 /* RFC 4429 */ +#define ICMPV6CTL_MAXID 27 + +#ifdef BSD_KERNEL_PRIVATE #define ICMPV6CTL_NAMES { \ { 0, 0 }, \ { 0, 0 }, \ @@ -643,97 +719,107 @@ struct icmp6stat { { "nd6_debug", CTLTYPE_INT }, \ { 0, 0 }, \ { 0, 0 }, \ + { 0, 0 }, \ + { 0, 0 }, \ + { 0, 0 }, \ + { 0, 0 }, \ + { "nd6_accept_6to4", CTLTYPE_INT }, \ + { "nd6_optimistic_dad", CTLTYPE_INT }, \ } -#endif /* __APPLE_API_UNSTABLE */ - -#define RTF_PROBEMTU RTF_PROTO1 -#ifdef KERNEL # ifdef __STDC__ -struct rtentry; -struct rttimer; -struct in6_multi; +struct rtentry; +struct rttimer; +struct in6_multi; # endif -#ifdef __APPLE_API_PRIVATE -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 *)); -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 *)); - -struct ip6ctlparam; -void icmp6_mtudisc_update __P((struct ip6ctlparam *, int)); +struct ip6protosw; +void icmp6_init(struct ip6protosw *, struct domain *); +void icmp6_paramerror(struct mbuf *, int); + +void icmp6_error_flag(struct mbuf *, int, int, int, int); +#define ICMP6_ERROR_RST_MRCVIF 0x1 + +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_reflect(struct mbuf *, size_t); +void icmp6_prepare(struct mbuf *); +void icmp6_redirect_input(struct mbuf *, int, int); +void icmp6_redirect_output(struct mbuf *, struct rtentry *); + +struct ip6ctlparam; +void icmp6_mtudisc_update(struct ip6ctlparam *, int); +extern lck_rw_t icmp6_ifs_rwlock; /* 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++; \ - } \ +/* N.B.: if_inet6data is never freed once set, so we don't need to lock */ +#define icmp6_ifstat_inc(_ifp, _tag) do { \ + if (_ifp != NULL && IN6_IFEXTRA(_ifp) != NULL) { \ + IN6_IFEXTRA(_ifp)->icmp6_ifstat._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; \ - } \ +#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 /* __APPLE_API_PRIVATE */ -#endif /* KERNEL */ +#define ICMP6_REDIRACCEPT_DEFAULT 1 +extern int icmp6_rediraccept; /* accept/process redirects */ +extern int icmp6_redirtimeout; /* cache time for redirect routes */ + +#define ICMP6_NODEINFO_FQDNOK 0x1 +#define ICMP6_NODEINFO_NODEADDROK 0x2 +#define ICMP6_NODEINFO_TMPADDROK 0x4 +#define ICMP6_NODEINFO_GLOBALOK 0x8 + +#endif /* BSD_KERNEL_PRIVATE */ #endif /* !_NETINET_ICMP6_H_ */