--- /dev/null
+/* $NetBSD: icmp6.h,v 1.13 2000/08/03 16:30:37 itojun Exp $ */
+/* $KAME: icmp6.h,v 1.22 2000/08/03 15:25:16 jinmei 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 _NETINET_ICMP6_H_
+#define _NETINET_ICMP6_H_
+
+struct icmp6_hdr {
+ u_int8_t icmp6_type; /* type field */
+ u_int8_t icmp6_code; /* code field */
+ u_int16_t icmp6_cksum; /* checksum field */
+ union {
+ u_int32_t icmp6_un_data32[1]; /* type-specific field */
+ u_int16_t icmp6_un_data16[2]; /* type-specific field */
+ u_int8_t icmp6_un_data8[4]; /* type-specific field */
+ } icmp6_dataun;
+};
+
+#define icmp6_data32 icmp6_dataun.icmp6_un_data32
+#define icmp6_data16 icmp6_dataun.icmp6_un_data16
+#define icmp6_data8 icmp6_dataun.icmp6_un_data8
+#define icmp6_pptr icmp6_data32[0] /* parameter prob */
+#define icmp6_mtu icmp6_data32[0] /* packet too big */
+#define icmp6_id icmp6_data16[0] /* echo request/reply */
+#define icmp6_seq icmp6_data16[1] /* echo request/reply */
+#define icmp6_maxdelay icmp6_data16[0] /* mcast group membership */
+
+#define ICMP6_DST_UNREACH 1 /* dest unreachable, codes: */
+#define ICMP6_PACKET_TOO_BIG 2 /* packet too big */
+#define ICMP6_TIME_EXCEEDED 3 /* time exceeded, code: */
+#define ICMP6_PARAM_PROB 4 /* ip6 header bad */
+
+#define ICMP6_ECHO_REQUEST 128 /* echo service */
+#define ICMP6_ECHO_REPLY 129 /* echo reply */
+#define ICMP6_MEMBERSHIP_QUERY 130 /* group membership query */
+#define MLD6_LISTENER_QUERY 130 /* multicast listener query */
+#define ICMP6_MEMBERSHIP_REPORT 131 /* group membership report */
+#define MLD6_LISTENER_REPORT 131 /* multicast listener report */
+#define ICMP6_MEMBERSHIP_REDUCTION 132 /* group membership termination */
+#define MLD6_LISTENER_DONE 132 /* multicast listener done */
+
+#define ND_ROUTER_SOLICIT 133 /* router solicitation */
+#define ND_ROUTER_ADVERT 134 /* router advertisment */
+#define ND_NEIGHBOR_SOLICIT 135 /* neighbor solicitation */
+#define ND_NEIGHBOR_ADVERT 136 /* neighbor advertisment */
+#define ND_REDIRECT 137 /* redirect */
+
+#define ICMP6_ROUTER_RENUMBERING 138 /* router renumbering */
+
+#define ICMP6_WRUREQUEST 139 /* who are you request */
+#define ICMP6_WRUREPLY 140 /* who are you reply */
+#define ICMP6_FQDN_QUERY 139 /* FQDN query */
+#define ICMP6_FQDN_REPLY 140 /* FQDN reply */
+#define ICMP6_NI_QUERY 139 /* node information request */
+#define ICMP6_NI_REPLY 140 /* node information reply */
+
+/* The definitions below are experimental. TBA */
+#define MLD6_MTRACE_RESP 141 /* mtrace response(to sender) */
+#define MLD6_MTRACE 142 /* mtrace messages */
+
+#define ICMP6_MAXTYPE 142
+
+#define ICMP6_DST_UNREACH_NOROUTE 0 /* no route to destination */
+#define ICMP6_DST_UNREACH_ADMIN 1 /* administratively prohibited */
+#define ICMP6_DST_UNREACH_NOTNEIGHBOR 2 /* not a neighbor(obsolete) */
+#define ICMP6_DST_UNREACH_BEYONDSCOPE 2 /* beyond scope of source address */
+#define ICMP6_DST_UNREACH_ADDR 3 /* address unreachable */
+#define ICMP6_DST_UNREACH_NOPORT 4 /* port unreachable */
+
+#define ICMP6_TIME_EXCEED_TRANSIT 0 /* ttl==0 in transit */
+#define ICMP6_TIME_EXCEED_REASSEMBLY 1 /* ttl==0 in reass */
+
+#define ICMP6_PARAMPROB_HEADER 0 /* erroneous header field */
+#define ICMP6_PARAMPROB_NEXTHEADER 1 /* unrecognized next header */
+#define ICMP6_PARAMPROB_OPTION 2 /* unrecognized option */
+
+#define ICMP6_INFOMSG_MASK 0x80 /* all informational messages */
+
+#define ICMP6_NI_SUBJ_IPV6 0 /* Query Subject is an IPv6 address */
+#define ICMP6_NI_SUBJ_FQDN 1 /* Query Subject is a Domain name */
+#define ICMP6_NI_SUBJ_IPV4 2 /* Query Subject is an IPv4 address */
+
+#define ICMP6_NI_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 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]
+/* netowkr endian */
+#define ND_NA_FLAG_ROUTER ((u_int32_t)htonl(0x80000000))
+#define ND_NA_FLAG_SOLICITED ((u_int32_t)htonl(0x40000000))
+#define ND_NA_FLAG_OVERRIDE ((u_int32_t)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
+
+struct nd_opt_prefix_info { /* prefix information */
+ u_int8_t nd_opt_pi_type;
+ u_int8_t nd_opt_pi_len;
+ u_int8_t nd_opt_pi_prefix_len;
+ u_int8_t nd_opt_pi_flags_reserved;
+ u_int32_t nd_opt_pi_valid_time;
+ u_int32_t nd_opt_pi_preferred_time;
+ u_int32_t nd_opt_pi_reserved2;
+ struct in6_addr nd_opt_pi_prefix;
+};
+
+#define ND_OPT_PI_FLAG_ONLINK 0x80
+#define ND_OPT_PI_FLAG_AUTO 0x40
+
+struct nd_opt_rd_hdr { /* redirected header */
+ u_int8_t nd_opt_rh_type;
+ u_int8_t nd_opt_rh_len;
+ u_int16_t nd_opt_rh_reserved1;
+ u_int32_t nd_opt_rh_reserved2;
+ /* followed by IP header and data */
+};
+
+struct nd_opt_mtu { /* MTU option */
+ u_int8_t nd_opt_mtu_type;
+ u_int8_t nd_opt_mtu_len;
+ u_int16_t nd_opt_mtu_reserved;
+ u_int32_t nd_opt_mtu_mtu;
+};
+
+/*
+ * icmp6 namelookup
+ */
+
+struct icmp6_namelookup {
+ struct icmp6_hdr icmp6_nl_hdr;
+ u_int8_t icmp6_nl_nonce[8];
+ int32_t icmp6_nl_ttl;
+#if 0
+ u_int8_t icmp6_nl_len;
+ u_int8_t icmp6_nl_name[3];
+#endif
+ /* could be followed by options */
+};
+
+/*
+ * icmp6 node information
+ */
+struct icmp6_nodeinfo {
+ struct icmp6_hdr icmp6_ni_hdr;
+ u_int8_t icmp6_ni_nonce[8];
+ /* could be followed by reply data */
+};
+
+#define ni_type icmp6_ni_hdr.icmp6_type
+#define ni_code icmp6_ni_hdr.icmp6_code
+#define ni_cksum icmp6_ni_hdr.icmp6_cksum
+#define ni_qtype icmp6_ni_hdr.icmp6_data16[0]
+#define ni_flags icmp6_ni_hdr.icmp6_data16[1]
+
+#define NI_QTYPE_NOOP 0 /* NOOP */
+#define NI_QTYPE_SUPTYPES 1 /* Supported Qtypes */
+#define NI_QTYPE_FQDN 2 /* FQDN (draft 04) */
+#define NI_QTYPE_DNSNAME 2 /* DNS Name */
+#define NI_QTYPE_NODEADDR 3 /* Node Addresses */
+#define NI_QTYPE_IPV4ADDR 4 /* IPv4 Addresses */
+
+/* network endian */
+#define NI_SUPTYPE_FLAG_COMPRESS ((u_int16_t)htons(0x1))
+#define NI_FQDN_FLAG_VALIDTTL ((u_int16_t)htons(0x1))
+
+/* network endian */
+#define NI_NODEADDR_FLAG_TRUNCATE ((u_int16_t)htons(0x1))
+#define NI_NODEADDR_FLAG_ALL ((u_int16_t)htons(0x2))
+#define NI_NODEADDR_FLAG_COMPAT ((u_int16_t)htons(0x4))
+#define NI_NODEADDR_FLAG_LINKLOCAL ((u_int16_t)htons(0x8))
+#define NI_NODEADDR_FLAG_SITELOCAL ((u_int16_t)htons(0x10))
+#define NI_NODEADDR_FLAG_GLOBAL ((u_int16_t)htons(0x20))
+#define NI_NODEADDR_FLAG_ANYCAST ((u_int16_t)htons(0x40)) /* just experimental. not in spec */
+
+struct ni_reply_fqdn {
+ u_int32_t ni_fqdn_ttl; /* TTL */
+ u_int8_t ni_fqdn_namelen; /* length in octets of the FQDN */
+ u_int8_t ni_fqdn_name[3]; /* XXX: alignment */
+};
+
+/*
+ * Router Renumbering. as router-renum-08.txt
+ */
+struct icmp6_router_renum { /* router renumbering header */
+ struct icmp6_hdr rr_hdr;
+ u_int8_t rr_segnum;
+ u_int8_t rr_flags;
+ u_int16_t rr_maxdelay;
+ u_int32_t rr_reserved;
+};
+#define ICMP6_RR_FLAGS_SEGNUM 0x80
+#define ICMP6_RR_FLAGS_TEST 0x40
+#define ICMP6_RR_FLAGS_REQRESULT 0x20
+#define ICMP6_RR_FLAGS_FORCEAPPLY 0x10
+#define ICMP6_RR_FLAGS_SPECSITE 0x08
+#define ICMP6_RR_FLAGS_PREVDONE 0x04
+
+#define rr_type rr_hdr.icmp6_type
+#define rr_code rr_hdr.icmp6_code
+#define rr_cksum rr_hdr.icmp6_cksum
+#define rr_seqnum rr_hdr.icmp6_data32[0]
+
+struct rr_pco_match { /* match prefix part */
+ u_int8_t rpm_code;
+ u_int8_t rpm_len;
+ u_int8_t rpm_ordinal;
+ u_int8_t rpm_matchlen;
+ u_int8_t rpm_minlen;
+ u_int8_t rpm_maxlen;
+ u_int16_t rpm_reserved;
+ struct in6_addr rpm_prefix;
+};
+
+#define RPM_PCO_ADD 1
+#define RPM_PCO_CHANGE 2
+#define RPM_PCO_SETGLOBAL 3
+#define RPM_PCO_MAX 4
+
+struct rr_pco_use { /* use prefix part */
+ u_int8_t rpu_uselen;
+ u_int8_t rpu_keeplen;
+ u_int8_t rpu_ramask;
+ u_int8_t rpu_raflags;
+ u_int32_t rpu_vltime;
+ u_int32_t rpu_pltime;
+ u_int32_t rpu_flags;
+ struct in6_addr rpu_prefix;
+};
+#define ICMP6_RR_PCOUSE_RAFLAGS_ONLINK 0x80
+#define ICMP6_RR_PCOUSE_RAFLAGS_AUTO 0x40
+
+/* network endian */
+#define ICMP6_RR_PCOUSE_FLAGS_DECRVLTIME ((u_int32_t)htonl(0x80000000))
+#define ICMP6_RR_PCOUSE_FLAGS_DECRPLTIME ((u_int32_t)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;
+};
+/* network endian */
+#define ICMP6_RR_RESULT_FLAGS_OOB ((u_int16_t)htons(0x0002))
+#define ICMP6_RR_RESULT_FLAGS_FORBIDDEN ((u_int16_t)htons(0x0001))
+
+#endif /* not _NETINET_ICMP6_H_ */
--- /dev/null
+/* $NetBSD: ip6.h,v 1.9 2000/07/13 05:34:21 itojun Exp $ */
+/* $KAME: ip6.h,v 1.9 2000/07/02 21:01:32 itojun Exp $ */
+
+/*
+ * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the project nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/*
+ * Copyright (c) 1982, 1986, 1993
+ * The Regents of the University of California. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 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.h 8.1 (Berkeley) 6/10/93
+ */
+
+#ifndef _NETINET_IP6_H_
+#define _NETINET_IP6_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
+
+/* in network endian */
+#define IPV6_FLOWINFO_MASK ((u_int32_t)htonl(0x0fffffff)) /* flow info (28 bits) */
+#define IPV6_FLOWLABEL_MASK ((u_int32_t)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_char ip6e_nxt;
+ u_char 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_JUMBO_LEN 6
+#define IP6OPT_RTALERT 0x05 /* 00 0 00101 */
+#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
+
+/* 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_int8_t ip6r0_reserved; /* reserved field */
+ u_int8_t ip6r0_slmap[3]; /* strict/loose bit map */
+ struct in6_addr ip6r0_addr[1]; /* up to 23 addresses */
+};
+
+/* 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 */
+};
+
+/* network endian */
+#define IP6F_OFF_MASK ((u_int16_t)htons(0xfff8)) /* mask out offset from _offlg */
+#define IP6F_RESERVED_MASK ((u_int16_t)htons(0x0006)) /* reserved bits in ip6f_offlg */
+#define IP6F_MORE_FRAG ((u_int16_t)htons(0x0001)) /* more-fragments flag */
+
+#endif /* not _NETINET_IP6_H_ */
projects / tcpdump / commitdiff
