+/*
+ * 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. 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_
+
+#include "byte-order.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 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 */
+
+/* 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
+
+#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 response(to sender) */
+#define MLD_MTRACE 201 /* mtrace messages */
+
+/* the followings are for backward compatibility to old KAME apps. */
+#define MLD6_MTRACE_RESP MLD_MTRACE_RESP
+#define MLD6_MTRACE MLD_MTRACE
+
+#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_POLICY 5 /* source address failed ingress/egress policy */
+#define ICMP6_DST_UNREACH_REJROUTE 6 /* reject route to destination */
+#define ICMP6_DST_UNREACH_SOURCERT 7 /* error in source routing header */
+
+#define ICMP6_TIME_EXCEED_TRANSIT 0 /* ttl==0 in transit */
+#define ICMP6_TIME_EXCEED_REASSEMBLY 1 /* ttl==0 in reass */
+
+#define ICMP6_PARAMPROB_HEADER 0 /* erroneous header field */
+#define ICMP6_PARAMPROB_NEXTHEADER 1 /* unrecognized next header */
+#define ICMP6_PARAMPROB_OPTION 2 /* unrecognized option */
+
+#define ICMP6_INFOMSG_MASK 0x80 /* all informational messages */
+
+#define ICMP6_NI_SUBJ_IPV6 0 /* Query Subject is an IPv6 address */
+#define ICMP6_NI_SUBJ_FQDN 1 /* Query Subject is a Domain name */
+#define ICMP6_NI_SUBJ_IPV4 2 /* Query Subject is an IPv4 address */
+
+#define ICMP6_NI_SUCCESS 0 /* node information successful reply */
+#define ICMP6_NI_REFUSED 1 /* node information request is refused */
+#define ICMP6_NI_UNKNOWN 2 /* unknown Qtype */
+
+#define ICMP6_ROUTER_RENUMBERING_COMMAND 0 /* rr command */
+#define ICMP6_ROUTER_RENUMBERING_RESULT 1 /* rr result */
+#define ICMP6_ROUTER_RENUMBERING_SEQNUM_RESET 255 /* rr seq num reset */
+
+/* Used in kernel only */
+#define ND_REDIRECT_ONLINK 0 /* redirect to an on-link node */
+#define ND_REDIRECT_ROUTER 1 /* redirect to a better router */
+
+/*
+ * Multicast Listener Discovery
+ */
+struct mld_hdr {
+ struct icmp6_hdr mld_icmp6_hdr;
+ struct in6_addr mld_addr; /* multicast address */
+};
+
+/* definitions to provide backward compatibility to old KAME applications */
+#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
+
+/* 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_MINLEN 24
+
+/*
+ * Neighbor Discovery
+ */
+
+struct nd_router_solicit { /* router solicitation */
+ struct icmp6_hdr nd_rs_hdr;
+ /* could be followed by options */
+};
+
+#define nd_rs_type nd_rs_hdr.icmp6_type
+#define nd_rs_code nd_rs_hdr.icmp6_code
+#define nd_rs_cksum nd_rs_hdr.icmp6_cksum
+#define nd_rs_reserved nd_rs_hdr.icmp6_data32[0]
+
+struct nd_router_advert { /* router advertisement */
+ struct icmp6_hdr nd_ra_hdr;
+ u_int32_t nd_ra_reachable; /* reachable time */
+ u_int32_t nd_ra_retransmit; /* retransmit timer */
+ /* could be followed by options */
+};
+
+#define nd_ra_type nd_ra_hdr.icmp6_type
+#define nd_ra_code nd_ra_hdr.icmp6_code
+#define nd_ra_cksum nd_ra_hdr.icmp6_cksum
+#define nd_ra_curhoplimit nd_ra_hdr.icmp6_data8[0]
+#define nd_ra_flags_reserved nd_ra_hdr.icmp6_data8[1]
+#define ND_RA_FLAG_MANAGED 0x80
+#define ND_RA_FLAG_OTHER 0x40
+#define ND_RA_FLAG_HOME_AGENT 0x20
+
+/*
+ * Router preference values based on RFC4191.
+ */
+#define ND_RA_FLAG_RTPREF_MASK 0x18 /* 00011000 */
+
+#define ND_RA_FLAG_RTPREF_HIGH 0x08 /* 00001000 */
+#define ND_RA_FLAG_RTPREF_MEDIUM 0x00 /* 00000000 */
+#define ND_RA_FLAG_RTPREF_LOW 0x18 /* 00011000 */
+#define ND_RA_FLAG_RTPREF_RSV 0x10 /* 00010000 */
+
+#define nd_ra_router_lifetime nd_ra_hdr.icmp6_data16[1]
+
+struct nd_neighbor_solicit { /* neighbor solicitation */
+ struct icmp6_hdr nd_ns_hdr;
+ struct in6_addr nd_ns_target; /*target address */
+ /* could be followed by options */
+};
+
+#define nd_ns_type nd_ns_hdr.icmp6_type
+#define nd_ns_code nd_ns_hdr.icmp6_code
+#define nd_ns_cksum nd_ns_hdr.icmp6_cksum
+#define nd_ns_reserved nd_ns_hdr.icmp6_data32[0]
+
+struct nd_neighbor_advert { /* neighbor advertisement */
+ struct icmp6_hdr nd_na_hdr;
+ struct in6_addr nd_na_target; /* target address */
+ /* could be followed by options */
+};
+
+#define nd_na_type nd_na_hdr.icmp6_type
+#define nd_na_code nd_na_hdr.icmp6_code
+#define nd_na_cksum nd_na_hdr.icmp6_cksum
+#define nd_na_flags_reserved nd_na_hdr.icmp6_data32[0]
+#define ND_NA_FLAG_ROUTER CONSTANT_HTONL(0x80000000)
+#define ND_NA_FLAG_SOLICITED CONSTANT_HTONL(0x40000000)
+#define ND_NA_FLAG_OVERRIDE CONSTANT_HTONL(0x20000000)
+
+struct nd_redirect { /* redirect */
+ struct icmp6_hdr nd_rd_hdr;
+ struct in6_addr nd_rd_target; /* target address */
+ struct in6_addr nd_rd_dst; /* destination address */
+ /* could be followed by options */
+};
+
+#define nd_rd_type nd_rd_hdr.icmp6_type
+#define nd_rd_code nd_rd_hdr.icmp6_code
+#define nd_rd_cksum nd_rd_hdr.icmp6_cksum
+#define nd_rd_reserved nd_rd_hdr.icmp6_data32[0]
+
+struct nd_opt_hdr { /* Neighbor discovery option header */
+ u_int8_t nd_opt_type;
+ u_int8_t nd_opt_len;
+ /* followed by option specific data*/
+};
+
+#define ND_OPT_SOURCE_LINKADDR 1
+#define ND_OPT_TARGET_LINKADDR 2
+#define ND_OPT_PREFIX_INFORMATION 3
+#define ND_OPT_REDIRECTED_HEADER 4
+#define ND_OPT_MTU 5
+#define ND_OPT_ADVINTERVAL 7
+#define ND_OPT_HOMEAGENT_INFO 8
+#define ND_OPT_SOURCE_ADDRLIST 9
+#define ND_OPT_TARGET_ADDRLIST 10
+#define ND_OPT_MAP 23 /* RFC 5380 */
+#define ND_OPT_ROUTE_INFO 24 /* RFC 4191 */
+#define ND_OPT_RDNSS 25 /* RFC 6016 */
+#define ND_OPT_DNSSL 31 /* RFC 6016 */
+
+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 */
+};
+
+struct nd_opt_prefix_info { /* prefix information */
+ u_int8_t nd_opt_pi_type;
+ u_int8_t nd_opt_pi_len;
+ u_int8_t nd_opt_pi_prefix_len;
+ u_int8_t nd_opt_pi_flags_reserved;
+ u_int32_t nd_opt_pi_valid_time;
+ u_int32_t nd_opt_pi_preferred_time;
+ u_int32_t nd_opt_pi_reserved2;
+ struct in6_addr nd_opt_pi_prefix;
+};
+
+#define ND_OPT_PI_FLAG_ONLINK 0x80
+#define ND_OPT_PI_FLAG_AUTO 0x40
+
+struct nd_opt_rd_hdr { /* redirected header */
+ u_int8_t nd_opt_rh_type;
+ u_int8_t nd_opt_rh_len;
+ u_int16_t nd_opt_rh_reserved1;
+ u_int32_t nd_opt_rh_reserved2;
+ /* followed by IP header and data */
+};
+
+struct nd_opt_mtu { /* MTU option */
+ u_int8_t nd_opt_mtu_type;
+ u_int8_t nd_opt_mtu_len;
+ u_int16_t nd_opt_mtu_reserved;
+ u_int32_t nd_opt_mtu_mtu;
+};
+
+struct nd_opt_rdnss { /* RDNSS option RFC 6106 */
+ 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;
+ /* followed by list of IP prefixes */
+};
+
+struct nd_opt_dnssl { /* DNSSL option RFC 6106 */
+ 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;
+ /* followed by list of IP prefixes */
+};
+
+/*
+ * icmp6 namelookup
+ */
+
+struct icmp6_namelookup {
+ struct icmp6_hdr icmp6_nl_hdr;
+ u_int8_t icmp6_nl_nonce[8];
+ int32_t icmp6_nl_ttl;
+#if 0
+ u_int8_t icmp6_nl_len;
+ u_int8_t icmp6_nl_name[3];
+#endif
+ /* could be followed by options */
+};
+
+/*
+ * icmp6 node information
+ */
+struct icmp6_nodeinfo {
+ struct icmp6_hdr icmp6_ni_hdr;
+ u_int8_t icmp6_ni_nonce[8];
+ /* could be followed by reply data */
+};
+
+#define ni_type icmp6_ni_hdr.icmp6_type
+#define ni_code icmp6_ni_hdr.icmp6_code
+#define ni_cksum icmp6_ni_hdr.icmp6_cksum
+#define ni_qtype icmp6_ni_hdr.icmp6_data16[0]
+#define ni_flags icmp6_ni_hdr.icmp6_data16[1]
+
+#define NI_QTYPE_NOOP 0 /* NOOP */
+#define NI_QTYPE_SUPTYPES 1 /* Supported Qtypes */
+#define NI_QTYPE_FQDN 2 /* FQDN (draft 04) */
+#define NI_QTYPE_DNSNAME 2 /* DNS Name */
+#define NI_QTYPE_NODEADDR 3 /* Node Addresses */
+#define NI_QTYPE_IPV4ADDR 4 /* IPv4 Addresses */
+
+#define NI_SUPTYPE_FLAG_COMPRESS CONSTANT_HTONS(0x1)
+#define NI_FQDN_FLAG_VALIDTTL CONSTANT_HTONS(0x1)
+
+#ifdef NAME_LOOKUPS_04
+#define NI_NODEADDR_FLAG_LINKLOCAL CONSTANT_HTONS(0x1)
+#define NI_NODEADDR_FLAG_SITELOCAL CONSTANT_HTONS(0x2)
+#define NI_NODEADDR_FLAG_GLOBAL CONSTANT_HTONS(0x4)
+#define NI_NODEADDR_FLAG_ALL CONSTANT_HTONS(0x8)
+#define NI_NODEADDR_FLAG_TRUNCATE CONSTANT_HTONS(0x10)
+#define NI_NODEADDR_FLAG_ANYCAST CONSTANT_HTONS(0x20) /* just experimental. not in spec */
+#else /* draft-ietf-ipngwg-icmp-name-lookups-05 (and later?) */
+#define NI_NODEADDR_FLAG_TRUNCATE CONSTANT_HTONS(0x1)
+#define NI_NODEADDR_FLAG_ALL CONSTANT_HTONS(0x2)
+#define NI_NODEADDR_FLAG_COMPAT CONSTANT_HTONS(0x4)
+#define NI_NODEADDR_FLAG_LINKLOCAL CONSTANT_HTONS(0x8)
+#define NI_NODEADDR_FLAG_SITELOCAL CONSTANT_HTONS(0x10)
+#define NI_NODEADDR_FLAG_GLOBAL CONSTANT_HTONS(0x20)
+#define NI_NODEADDR_FLAG_ANYCAST CONSTANT_HTONS(0x40) /* just experimental. not in spec */
+#endif
+
+struct ni_reply_fqdn {
+ u_int32_t ni_fqdn_ttl; /* TTL */
+ u_int8_t ni_fqdn_namelen; /* length in octets of the FQDN */
+ u_int8_t ni_fqdn_name[3]; /* XXX: alignment */
+};
+
+/*
+ * Router Renumbering. as router-renum-08.txt
+ */
+struct icmp6_router_renum { /* router renumbering header */
+ struct icmp6_hdr rr_hdr;
+ u_int8_t rr_segnum;
+ u_int8_t rr_flags;
+ u_int16_t rr_maxdelay;
+ u_int32_t rr_reserved;
+};
+
+#define ICMP6_RR_FLAGS_TEST 0x80
+#define ICMP6_RR_FLAGS_REQRESULT 0x40
+#define ICMP6_RR_FLAGS_FORCEAPPLY 0x20
+#define ICMP6_RR_FLAGS_SPECSITE 0x10
+#define ICMP6_RR_FLAGS_PREVDONE 0x08
+
+#define rr_type rr_hdr.icmp6_type
+#define rr_code rr_hdr.icmp6_code
+#define rr_cksum rr_hdr.icmp6_cksum
+#define rr_seqnum rr_hdr.icmp6_data32[0]
+
+struct rr_pco_match { /* match prefix part */
+ u_int8_t rpm_code;
+ u_int8_t rpm_len;
+ u_int8_t rpm_ordinal;
+ u_int8_t rpm_matchlen;
+ u_int8_t rpm_minlen;
+ u_int8_t rpm_maxlen;
+ u_int16_t rpm_reserved;
+ struct in6_addr rpm_prefix;
+};
+
+#define RPM_PCO_ADD 1
+#define RPM_PCO_CHANGE 2
+#define RPM_PCO_SETGLOBAL 3
+#define RPM_PCO_MAX 4
+
+struct rr_pco_use { /* use prefix part */
+ u_int8_t rpu_uselen;
+ u_int8_t rpu_keeplen;
+ u_int8_t rpu_ramask;
+ u_int8_t rpu_raflags;
+ u_int32_t rpu_vltime;
+ u_int32_t rpu_pltime;
+ u_int32_t rpu_flags;
+ struct in6_addr rpu_prefix;
+};
+#define ICMP6_RR_PCOUSE_RAFLAGS_ONLINK 0x80
+#define ICMP6_RR_PCOUSE_RAFLAGS_AUTO 0x40
+
+#define ICMP6_RR_PCOUSE_FLAGS_DECRVLTIME CONSTANT_HTONL(0x80000000)
+#define ICMP6_RR_PCOUSE_FLAGS_DECRPLTIME CONSTANT_HTONL(0x40000000)
+
+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;
+};
+#define ICMP6_RR_RESULT_FLAGS_OOB CONSTANT_HTONS(0x0002)
+#define ICMP6_RR_RESULT_FLAGS_FORBIDDEN CONSTANT_HTONS(0x0001)
+
+/*
+ * icmp6 filter structures.
+ */
+
+struct icmp6_filter {
+ u_int32_t icmp6_filt[8];
+};
+
+#define ICMP6_FILTER_SETPASSALL(filterp) \
+ (void)memset(filterp, 0xff, sizeof(struct icmp6_filter))
+#define ICMP6_FILTER_SETBLOCKALL(filterp) \
+ (void)memset(filterp, 0x00, sizeof(struct icmp6_filter))
+#define ICMP6_FILTER_SETPASS(type, filterp) \
+ (((filterp)->icmp6_filt[(type) >> 5]) |= (1 << ((type) & 31)))
+#define ICMP6_FILTER_SETBLOCK(type, filterp) \
+ (((filterp)->icmp6_filt[(type) >> 5]) &= ~(1 << ((type) & 31)))
+#define ICMP6_FILTER_WILLPASS(type, filterp) \
+ ((((filterp)->icmp6_filt[(type) >> 5]) & (1 << ((type) & 31))) != 0)
+#define ICMP6_FILTER_WILLBLOCK(type, filterp) \
+ ((((filterp)->icmp6_filt[(type) >> 5]) & (1 << ((type) & 31))) == 0)
+
+/*
+ * Variables related to this implementation
+ * of the internet control message protocol version 6.
+ */
+
+/*
+ * IPv6 ICMP statistics.
+ * Each counter is an unsigned 64-bit value.
+ */
+#define ICMP6_STAT_ERROR 0 /* # of calls to icmp6_error */
+#define ICMP6_STAT_CANTERROR 1 /* no error (old was icmp) */
+#define ICMP6_STAT_TOOFREQ 2 /* no error (rate limitation) */
+#define ICMP6_STAT_OUTHIST 3 /* # of output messages */
+ /* space for 256 counters */
+#define ICMP6_STAT_BADCODE 259 /* icmp6_code out of range */
+#define ICMP6_STAT_TOOSHORT 260 /* packet < sizeof(struct icmp6_hdr) */
+#define ICMP6_STAT_CHECKSUM 261 /* bad checksum */
+#define ICMP6_STAT_BADLEN 262 /* calculated bound mismatch */
+ /*
+ * number of responses; this member is inherited from the netinet code,
+ * but for netinet6 code, it is already available in outhist[].
+ */
+#define ICMP6_STAT_REFLECT 263
+#define ICMP6_STAT_INHIST 264 /* # of input messages */
+ /* space for 256 counters */
+#define ICMP6_STAT_ND_TOOMANYOPT 520 /* too many ND options */
+#define ICMP6_STAT_OUTERRHIST 521
+ /* space for 13 counters */
+#define ICMP6_STAT_PMTUCHG 534 /* path MTU changes */
+#define ICMP6_STAT_ND_BADOPT 535 /* bad ND options */
+#define ICMP6_STAT_BADNS 536 /* bad neighbor solicititation */
+#define ICMP6_STAT_BADNA 537 /* bad neighbor advertisement */
+#define ICMP6_STAT_BADRS 538 /* bad router solicitiation */
+#define ICMP6_STAT_BADRA 539 /* bad router advertisement */
+#define ICMP6_STAT_BADREDIRECT 540 /* bad redirect message */
+#define ICMP6_STAT_DROPPED_RAROUTE 541 /* discarded routes from router advertisement */
+
+#define ICMP6_NSTATS 542
+
+#define ICMP6_ERRSTAT_DST_UNREACH_NOROUTE 0
+#define ICMP6_ERRSTAT_DST_UNREACH_ADMIN 1
+#define ICMP6_ERRSTAT_DST_UNREACH_BEYONDSCOPE 2
+#define ICMP6_ERRSTAT_DST_UNREACH_ADDR 3
+#define ICMP6_ERRSTAT_DST_UNREACH_NOPORT 4
+#define ICMP6_ERRSTAT_PACKET_TOO_BIG 5
+#define ICMP6_ERRSTAT_TIME_EXCEED_TRANSIT 6
+#define ICMP6_ERRSTAT_TIME_EXCEED_REASSEMBLY 7
+#define ICMP6_ERRSTAT_PARAMPROB_HEADER 8
+#define ICMP6_ERRSTAT_PARAMPROB_NEXTHEADER 9
+#define ICMP6_ERRSTAT_PARAMPROB_OPTION 10
+#define ICMP6_ERRSTAT_REDIRECT 11
+#define ICMP6_ERRSTAT_UNKNOWN 12
+
+/*
+ * 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_ND6_MAXQLEN 24
+#define ICMPV6CTL_MAXID 25
+
+#define ICMPV6CTL_NAMES { \
+ { 0, 0 }, \
+ { 0, 0 }, \
+ { "rediraccept", CTLTYPE_INT }, \
+ { "redirtimeout", CTLTYPE_INT }, \
+ { 0, 0 }, \
+ { 0, 0 }, \
+ { "nd6_prune", CTLTYPE_INT }, \
+ { 0, 0 }, \
+ { "nd6_delay", CTLTYPE_INT }, \
+ { "nd6_umaxtries", CTLTYPE_INT }, \
+ { "nd6_mmaxtries", CTLTYPE_INT }, \
+ { "nd6_useloopback", CTLTYPE_INT }, \
+ { 0, 0 }, \
+ { "nodeinfo", CTLTYPE_INT }, \
+ { "errppslimit", CTLTYPE_INT }, \
+ { "nd6_maxnudhint", CTLTYPE_INT }, \
+ { "mtudisc_hiwat", CTLTYPE_INT }, \
+ { "mtudisc_lowat", CTLTYPE_INT }, \
+ { "nd6_debug", CTLTYPE_INT }, \
+ { 0, 0 }, \
+ { 0, 0 }, \
+ { 0, 0 }, \
+ { 0, 0 }, \
+ { 0, 0 }, \
+ { "nd6_maxqueuelen", CTLTYPE_INT }, \
+}
+
+#endif /* !_NETINET_ICMP6_H_ */
+/*
+ * 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. 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.h 8.1 (Berkeley) 6/10/93
+ */
+
+#ifndef _NETINET_IP6_H_
+#define _NETINET_IP6_H_
+#include <inttypes.h>
+#include <netinet/in.h>
+#include "byte-order.h"
+
+/*
+ * Definition for internet protocol version 6.
+ * RFC 2460
+ */
+
+struct ip6_hdr {
+ union {
+ struct ip6_hdrctl {
+ u_int32_t ip6_un1_flow; /* 20 bits of flow-ID */
+ u_int16_t ip6_un1_plen; /* payload length */
+ u_int8_t ip6_un1_nxt; /* next header */
+ u_int8_t ip6_un1_hlim; /* hop limit */
+ } ip6_un1;
+ u_int8_t ip6_un2_vfc; /* 4 bits version, top 4 bits class */
+ } ip6_ctlun;
+ struct in6_addr ip6_src; /* source address */
+ struct in6_addr ip6_dst; /* destination address */
+};
+
+#define ip6_vfc ip6_ctlun.ip6_un2_vfc
+#define ip6_flow ip6_ctlun.ip6_un1.ip6_un1_flow
+#define ip6_plen ip6_ctlun.ip6_un1.ip6_un1_plen
+#define ip6_nxt ip6_ctlun.ip6_un1.ip6_un1_nxt
+#define ip6_hlim ip6_ctlun.ip6_un1.ip6_un1_hlim
+#define ip6_hops ip6_ctlun.ip6_un1.ip6_un1_hlim
+
+#define IPV6_VERSION 0x60
+#define IPV6_VERSION_MASK 0xf0
+
+#define IPV6_FLOWINFO_MASK CONSTANT_HTONL(0x0fffffff) /* flow info (28 bits) */
+#define IPV6_FLOWLABEL_MASK CONSTANT_HTONL(0x000fffff) /* flow label (20 bits) */
+#if 1
+/* ECN bits proposed by Sally Floyd */
+#define IP6TOS_CE 0x01 /* congestion experienced */
+#define IP6TOS_ECT 0x02 /* ECN-capable transport */
+#endif
+
+/*
+ * Extension Headers
+ */
+
+struct ip6_ext {
+ u_int8_t ip6e_nxt;
+ u_int8_t ip6e_len;
+};
+
+/* Hop-by-Hop options header */
+/* XXX should we pad it to force alignment on an 8-byte boundary? */
+struct ip6_hbh {
+ u_int8_t ip6h_nxt; /* next header */
+ u_int8_t ip6h_len; /* length in units of 8 octets */
+ /* followed by options */
+};
+
+/* Destination options header */
+/* XXX should we pad it to force alignment on an 8-byte boundary? */
+struct ip6_dest {
+ u_int8_t ip6d_nxt; /* next header */
+ u_int8_t ip6d_len; /* length in units of 8 octets */
+ /* followed by options */
+};
+
+/* Option types and related macros */
+#define IP6OPT_PAD1 0x00 /* 00 0 00000 */
+#define IP6OPT_PADN 0x01 /* 00 0 00001 */
+#define IP6OPT_JUMBO 0xC2 /* 11 0 00010 = 194 */
+#define IP6OPT_NSAP_ADDR 0xC3 /* 11 0 00011 */
+#define IP6OPT_TUNNEL_LIMIT 0x04 /* 00 0 00100 */
+#define IP6OPT_RTALERT 0x05 /* 00 0 00101 (KAME definition) */
+#define IP6OPT_ROUTER_ALERT 0x05 /* (RFC3542 def, recommended) */
+
+#define IP6OPT_RTALERT_LEN 4
+#define IP6OPT_RTALERT_MLD 0 /* Datagram contains an MLD message */
+#define IP6OPT_RTALERT_RSVP 1 /* Datagram contains an RSVP message */
+#define IP6OPT_RTALERT_ACTNET 2 /* contains an Active Networks msg */
+#define IP6OPT_MINLEN 2
+
+#define IP6OPT_TYPE(o) ((o) & 0xC0)
+#define IP6OPT_TYPE_SKIP 0x00
+#define IP6OPT_TYPE_DISCARD 0x40
+#define IP6OPT_TYPE_FORCEICMP 0x80
+#define IP6OPT_TYPE_ICMP 0xC0
+
+#define IP6OPT_MUTABLE 0x20
+
+/* IPv6 options: common part */
+struct ip6_opt {
+ u_int8_t ip6o_type;
+ u_int8_t ip6o_len;
+};
+
+/* Jumbo Payload Option */
+struct ip6_opt_jumbo {
+ u_int8_t ip6oj_type;
+ u_int8_t ip6oj_len;
+ u_int8_t ip6oj_jumbo_len[4];
+};
+#define IP6OPT_JUMBO_LEN 6
+
+/* NSAP Address Option */
+struct ip6_opt_nsap {
+ u_int8_t ip6on_type;
+ u_int8_t ip6on_len;
+ u_int8_t ip6on_src_nsap_len;
+ u_int8_t ip6on_dst_nsap_len;
+ /* followed by source NSAP */
+ /* followed by destination NSAP */
+};
+
+/* Tunnel Limit Option */
+struct ip6_opt_tunnel {
+ u_int8_t ip6ot_type;
+ u_int8_t ip6ot_len;
+ u_int8_t ip6ot_encap_limit;
+};
+
+/* Router Alert Option */
+struct ip6_opt_router {
+ u_int8_t ip6or_type;
+ u_int8_t ip6or_len;
+ u_int8_t ip6or_value[2];
+};
+/* Router alert values (in network byte order) */
+#define IP6_ALERT_MLD CONSTANT_HTONS(0x0000)
+#define IP6_ALERT_RSVP CONSTANT_HTONS(0x0001)
+#define IP6_ALERT_AN CONSTANT_HTONS(0x0002)
+
+/* Routing header */
+struct ip6_rthdr {
+ u_int8_t ip6r_nxt; /* next header */
+ u_int8_t ip6r_len; /* length in units of 8 octets */
+ u_int8_t ip6r_type; /* routing type */
+ u_int8_t ip6r_segleft; /* segments left */
+ /* followed by routing type specific data */
+};
+
+/* Type 0 Routing header */
+struct ip6_rthdr0 {
+ u_int8_t ip6r0_nxt; /* next header */
+ u_int8_t ip6r0_len; /* length in units of 8 octets */
+ u_int8_t ip6r0_type; /* always zero */
+ u_int8_t ip6r0_segleft; /* segments left */
+ u_int32_t ip6r0_reserved; /* reserved field */
+};
+
+/* Fragment header */
+struct ip6_frag {
+ u_int8_t ip6f_nxt; /* next header */
+ u_int8_t ip6f_reserved; /* reserved field */
+ u_int16_t ip6f_offlg; /* offset, reserved, and flag */
+ u_int32_t ip6f_ident; /* identification */
+};
+
+#define IP6F_OFF_MASK CONSTANT_HTONS(0xfff8) /* mask out offset from _offlg */
+#define IP6F_RESERVED_MASK CONSTANT_HTONS(0x0006) /* reserved bits in ip6f_offlg */
+#define IP6F_MORE_FRAG CONSTANT_HTONS(0x0001) /* more-fragments flag */
+
+/*
+ * Internet implementation parameters.
+ */
+#define IPV6_MAXHLIM 255 /* maximum hoplimit */
+#define IPV6_DEFHLIM 64 /* default hlim */
+#define IPV6_FRAGTTL 120 /* ttl for fragment packets, in slowtimo tick */
+#define IPV6_HLIMDEC 1 /* subtracted when forwarding */
+
+#define IPV6_MMTU 1280 /* minimal MTU and reassembly. 1024 + 256 */
+#define IPV6_MAXPACKET 65535 /* ip6 max packet size without Jumbo payload*/
+
+#endif /* !_NETINET_IP6_H_ */
projects / cascardo / ovs.git / commitdiff