for more strict rfc2292 compliance swap netinet{,6}/{ip6,icmp6}.h.

netinet6/{ip6,icmp6}.h will be nuked afterwards.

4 files changed, 873 insertions, 906 deletions

diff --git a/sys/netinet/icmp6.h b/sys/netinet/icmp6.h
index 7bfb3b2c160..cff11780015 100644
--- a/sys/netinet/icmp6.h
+++ b/sys/netinet/icmp6.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: icmp6.h,v 1.1 1999/12/08 06:50:18 itojun Exp $	*/
+/*	$OpenBSD: icmp6.h,v 1.2 2000/02/07 05:45:55 itojun Exp $	*/
 
 /*
  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
@@ -29,9 +29,625 @@
  * 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_
 
-#include <netinet6/icmp6.h>
+#define ICMPV6_PLD_MAXLEN	1232	/* IPV6_MMTU - sizeof(struct ip6_hdr)
+					   - sizeof(struct icmp6_hdr) */
+
+struct icmp6_hdr {
+	u_int8_t	icmp6_type;	/* type field */
+	u_int8_t	icmp6_code;	/* code field */
+	u_int16_t	icmp6_cksum;	/* checksum field */
+	union {
+		u_int32_t	icmp6_un_data32[1]; /* type-specific field */
+		u_int16_t	icmp6_un_data16[2]; /* type-specific field */
+		u_int8_t	icmp6_un_data8[4];  /* type-specific field */
+	} icmp6_dataun;
+};
+
+#define icmp6_data32	icmp6_dataun.icmp6_un_data32
+#define icmp6_data16	icmp6_dataun.icmp6_un_data16
+#define icmp6_data8	icmp6_dataun.icmp6_un_data8
+#define icmp6_pptr	icmp6_data32[0]		/* parameter prob */
+#define icmp6_mtu	icmp6_data32[0]		/* packet too big */
+#define icmp6_id	icmp6_data16[0]		/* echo request/reply */
+#define icmp6_seq	icmp6_data16[1]		/* echo request/reply */
+#define icmp6_maxdelay	icmp6_data16[0]		/* mcast group membership */
+
+#define ICMP6_DST_UNREACH		1	/* dest unreachable, codes: */
+#define ICMP6_PACKET_TOO_BIG		2	/* packet too big */
+#define ICMP6_TIME_EXCEEDED		3	/* time exceeded, code: */
+#define ICMP6_PARAM_PROB		4	/* ip6 header bad */
+
+#define ICMP6_ECHO_REQUEST		128	/* echo service */
+#define ICMP6_ECHO_REPLY		129	/* echo reply */
+#define ICMP6_MEMBERSHIP_QUERY		130	/* group membership query */
+#define MLD6_LISTENER_QUERY		130 	/* multicast listener query */
+#define ICMP6_MEMBERSHIP_REPORT		131	/* group membership report */
+#define MLD6_LISTENER_REPORT		131	/* multicast listener report */
+#define ICMP6_MEMBERSHIP_REDUCTION	132	/* group membership termination */
+#define MLD6_LISTENER_DONE		132	/* multicast listener done */
+
+#define ND_ROUTER_SOLICIT		133	/* router solicitation */
+#define ND_ROUTER_ADVERT		134	/* router advertisment */
+#define ND_NEIGHBOR_SOLICIT		135	/* neighbor solicitation */
+#define ND_NEIGHBOR_ADVERT		136	/* neighbor advertisment */
+#define ND_REDIRECT			137	/* redirect */
+
+#define ICMP6_ROUTER_RENUMBERING	138	/* router renumbering */
+
+#define ICMP6_WRUREQUEST		139	/* who are you request */
+#define ICMP6_WRUREPLY			140	/* who are you reply */
+#define ICMP6_FQDN_QUERY		139	/* FQDN query */
+#define ICMP6_FQDN_REPLY		140	/* FQDN reply */
+#define ICMP6_NI_QUERY			139	/* node information request */
+#define ICMP6_NI_REPLY			140	/* node information reply */
+
+/* The definitions below are experimental. TBA */
+#define MLD6_MTRACE_RESP		141	/* mtrace response(to sender) */
+#define MLD6_MTRACE			142	/* mtrace messages */
+
+#define ICMP6_MAXTYPE			142
+
+#define ICMP6_DST_UNREACH_NOROUTE	0	/* no route to destination */
+#define ICMP6_DST_UNREACH_ADMIN	 	1	/* administratively prohibited */
+#define ICMP6_DST_UNREACH_NOTNEIGHBOR	2	/* not a neighbor(obsolete) */
+#define ICMP6_DST_UNREACH_BEYONDSCOPE	2	/* beyond scope of source address */
+#define ICMP6_DST_UNREACH_ADDR		3	/* address unreachable */
+#define ICMP6_DST_UNREACH_NOPORT	4	/* port unreachable */
+
+#define ICMP6_TIME_EXCEED_TRANSIT 	0	/* ttl==0 in transit */
+#define ICMP6_TIME_EXCEED_REASSEMBLY	1	/* ttl==0 in reass */
+
+#define ICMP6_PARAMPROB_HEADER 	 	0	/* erroneous header field */
+#define ICMP6_PARAMPROB_NEXTHEADER	1	/* unrecognized next header */
+#define ICMP6_PARAMPROB_OPTION		2	/* unrecognized option */
+
+#define ICMP6_INFOMSG_MASK		0x80	/* all informational messages */
+
+#define ICMP6_NI_SUCESS		0	/* node information successful reply */
+#define ICMP6_NI_REFUSED	1	/* node information request is refused */
+#define ICMP6_NI_UNKNOWN	2	/* unknown Qtype */
+
+#define ICMP6_ROUTER_RENUMBERING_COMMAND  0	/* rr command */
+#define ICMP6_ROUTER_RENUMBERING_RESULT   1	/* rr result */
+#define ICMP6_ROUTER_RENUMBERING_SEQNUM_RESET   255	/* rr seq num reset */
+
+/* Used in kernel only */
+#define ND_REDIRECT_ONLINK	0	/* redirect to an on-link node */
+#define ND_REDIRECT_ROUTER	1	/* redirect to a better router */
+
+/*
+ * Multicast Listener Discovery
+ */
+struct mld6_hdr {
+	struct icmp6_hdr	mld6_hdr;
+	struct in6_addr		mld6_addr; /* multicast address */
+};
+
+#define mld6_type	mld6_hdr.icmp6_type
+#define mld6_code	mld6_hdr.icmp6_code
+#define mld6_cksum	mld6_hdr.icmp6_cksum
+#define mld6_maxdelay	mld6_hdr.icmp6_data16[0]
+#define mld6_reserved	mld6_hdr.icmp6_data16[1]
+
+/*
+ * Neighbor Discovery
+ */
+
+struct nd_router_solicit {	/* router solicitation */
+	struct icmp6_hdr 	nd_rs_hdr;
+	/* could be followed by options */
+};
+
+#define nd_rs_type	nd_rs_hdr.icmp6_type
+#define nd_rs_code	nd_rs_hdr.icmp6_code
+#define nd_rs_cksum	nd_rs_hdr.icmp6_cksum
+#define nd_rs_reserved	nd_rs_hdr.icmp6_data32[0]
+
+struct nd_router_advert {	/* router advertisement */
+	struct icmp6_hdr	nd_ra_hdr;
+	u_int32_t		nd_ra_reachable;	/* reachable time */
+	u_int32_t		nd_ra_retransmit;	/* retransmit timer */
+	/* could be followed by options */
+};
+
+#define nd_ra_type		nd_ra_hdr.icmp6_type
+#define nd_ra_code		nd_ra_hdr.icmp6_code
+#define nd_ra_cksum		nd_ra_hdr.icmp6_cksum
+#define nd_ra_curhoplimit	nd_ra_hdr.icmp6_data8[0]
+#define nd_ra_flags_reserved	nd_ra_hdr.icmp6_data8[1]
+#define ND_RA_FLAG_MANAGED	0x80
+#define ND_RA_FLAG_OTHER	0x40
+#define nd_ra_router_lifetime	nd_ra_hdr.icmp6_data16[1]
+
+struct nd_neighbor_solicit {	/* neighbor solicitation */
+	struct icmp6_hdr	nd_ns_hdr;
+	struct in6_addr		nd_ns_target;	/*target address */
+	/* could be followed by options */
+};
+
+#define nd_ns_type		nd_ns_hdr.icmp6_type
+#define nd_ns_code		nd_ns_hdr.icmp6_code
+#define nd_ns_cksum		nd_ns_hdr.icmp6_cksum
+#define nd_ns_reserved		nd_ns_hdr.icmp6_data32[0]
+
+struct nd_neighbor_advert {	/* neighbor advertisement */
+	struct icmp6_hdr	nd_na_hdr;
+	struct in6_addr		nd_na_target;	/* target address */
+	/* could be followed by options */
+};
+
+#define nd_na_type		nd_na_hdr.icmp6_type
+#define nd_na_code		nd_na_hdr.icmp6_code
+#define nd_na_cksum		nd_na_hdr.icmp6_cksum
+#define nd_na_flags_reserved	nd_na_hdr.icmp6_data32[0]
+#if BYTE_ORDER == BIG_ENDIAN
+#define ND_NA_FLAG_ROUTER		0x80000000
+#define ND_NA_FLAG_SOLICITED		0x40000000
+#define ND_NA_FLAG_OVERRIDE		0x20000000
+#else
+#if BYTE_ORDER == LITTLE_ENDIAN
+#define ND_NA_FLAG_ROUTER		0x80
+#define ND_NA_FLAG_SOLICITED		0x40
+#define ND_NA_FLAG_OVERRIDE		0x20
+#endif
+#endif
+
+struct nd_redirect {		/* redirect */
+	struct icmp6_hdr	nd_rd_hdr;
+	struct in6_addr		nd_rd_target;	/* target address */
+	struct in6_addr		nd_rd_dst;	/* destination address */
+	/* could be followed by options */
+};
+
+#define nd_rd_type		nd_rd_hdr.icmp6_type
+#define nd_rd_code		nd_rd_hdr.icmp6_code
+#define nd_rd_cksum		nd_rd_hdr.icmp6_cksum
+#define nd_rd_reserved		nd_rd_hdr.icmp6_data32[0]
+
+struct nd_opt_hdr {		/* Neighbor discovery option header */
+	u_int8_t	nd_opt_type;
+	u_int8_t	nd_opt_len;
+	/* followed by option specific data*/
+};
+
+#define ND_OPT_SOURCE_LINKADDR		1
+#define ND_OPT_TARGET_LINKADDR		2
+#define ND_OPT_PREFIX_INFORMATION	3
+#define ND_OPT_REDIRECTED_HEADER	4
+#define ND_OPT_MTU			5
+
+struct nd_opt_prefix_info {	/* prefix information */
+	u_int8_t	nd_opt_pi_type;
+	u_int8_t	nd_opt_pi_len;
+	u_int8_t	nd_opt_pi_prefix_len;
+	u_int8_t	nd_opt_pi_flags_reserved;
+	u_int32_t	nd_opt_pi_valid_time;
+	u_int32_t	nd_opt_pi_preferred_time;
+	u_int32_t	nd_opt_pi_reserved2;
+	struct in6_addr	nd_opt_pi_prefix;
+};
+
+#define ND_OPT_PI_FLAG_ONLINK		0x80
+#define ND_OPT_PI_FLAG_AUTO		0x40
+
+struct nd_opt_rd_hdr {         /* redirected header */
+	u_int8_t	nd_opt_rh_type;
+	u_int8_t	nd_opt_rh_len;
+	u_int16_t	nd_opt_rh_reserved1;
+	u_int32_t	nd_opt_rh_reserved2;
+	/* followed by IP header and data */
+};
+
+struct nd_opt_mtu {		/* MTU option */
+	u_int8_t	nd_opt_mtu_type;
+	u_int8_t	nd_opt_mtu_len;
+	u_int16_t	nd_opt_mtu_reserved;
+	u_int32_t	nd_opt_mtu_mtu;
+};
+
+/*
+ * icmp6 namelookup
+ */
+
+struct icmp6_namelookup {
+	struct icmp6_hdr 	icmp6_nl_hdr;
+	u_int8_t	icmp6_nl_nonce[8];
+	u_int32_t	icmp6_nl_ttl;
+#if 0
+	u_int8_t	icmp6_nl_len;
+	u_int8_t	icmp6_nl_name[3];
+#endif
+	/* could be followed by options */
+};
+
+/*
+ * icmp6 node information
+ */
+struct icmp6_nodeinfo {
+	struct icmp6_hdr icmp6_ni_hdr;
+	u_int8_t icmp6_ni_nonce[8];
+	/* could be followed by reply data */
+};
+
+#define ni_type		icmp6_ni_hdr.icmp6_type
+#define ni_code		icmp6_ni_hdr.icmp6_code
+#define ni_cksum	icmp6_ni_hdr.icmp6_cksum
+#define ni_qtype	icmp6_ni_hdr.icmp6_data16[0]
+#define ni_flags	icmp6_ni_hdr.icmp6_data16[1]
+
+
+#define NI_QTYPE_NOOP		0 /* NOOP  */
+#define NI_QTYPE_SUPTYPES	1 /* Supported Qtypes */
+#define NI_QTYPE_FQDN		2 /* FQDN */
+#define NI_QTYPE_NODEADDR	3 /* Node Addresses. XXX: spec says 2, but it may be a typo... */
+
+#if BYTE_ORDER == BIG_ENDIAN
+#define NI_SUPTYPE_FLAG_COMPRESS	0x1
+#define NI_FQDN_FLAG_VALIDTTL		0x1
+#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_SUPTYPE_FLAG_COMPRESS	0x0100
+#define NI_FQDN_FLAG_VALIDTTL		0x0100
+#define NI_NODEADDR_FLAG_LINKLOCAL	0x0100
+#define NI_NODEADDR_FLAG_SITELOCAL	0x0200
+#define NI_NODEADDR_FLAG_GLOBAL		0x0400
+#define NI_NODEADDR_FLAG_ALL		0x0800
+#define NI_NODEADDR_FLAG_TRUNCATE	0x1000
+#define NI_NODEADDR_FLAG_ANYCAST	0x2000 /* 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
+ */
+#if BYTE_ORDER == BIG_ENDIAN /* net byte order */
+struct icmp6_router_renum {	/* router renumbering header */
+	struct icmp6_hdr	rr_hdr;
+	u_int8_t		rr_segnum;
+	u_int8_t		rr_test : 1;
+	u_int8_t		rr_reqresult : 1;
+	u_int8_t		rr_forceapply : 1;
+	u_int8_t		rr_specsite : 1;
+	u_int8_t		rr_prevdone : 1;
+	u_int8_t		rr_flags_reserved : 3;
+	u_int16_t		rr_maxdelay;
+	u_int32_t		rr_reserved;
+};
+#elif BYTE_ORDER == LITTLE_ENDIAN
+struct icmp6_router_renum {	/* router renumbering header */
+	struct icmp6_hdr	rr_hdr;
+	u_int8_t		rr_segnum;
+	u_int8_t		rr_flags_reserved : 3;
+	u_int8_t		rr_prevdone : 1;
+	u_int8_t		rr_specsite : 1;
+	u_int8_t		rr_forceapply : 1;
+	u_int8_t		rr_reqresult : 1;
+	u_int8_t		rr_test : 1;
+	u_int16_t		rr_maxdelay;
+	u_int32_t		rr_reserved;
+};
+#endif /* BYTE_ORDER */
+
+#define rr_type			rr_hdr.icmp6_type
+#define rr_code			rr_hdr.icmp6_code
+#define rr_cksum		rr_hdr.icmp6_cksum
+#define rr_seqnum 		rr_hdr.icmp6_data32[0]
+
+struct rr_pco_match {		/* match prefix part */
+	u_int8_t	rpm_code;
+	u_int8_t	rpm_len;
+	u_int8_t	rpm_ordinal;
+	u_int8_t	rpm_matchlen;
+	u_int8_t	rpm_minlen;
+	u_int8_t	rpm_maxlen;
+	u_int16_t	rpm_reserved;
+	struct in6_addr	rpm_prefix;
+};
+
+#define RPM_PCO_ADD		1
+#define RPM_PCO_CHANGE		2
+#define RPM_PCO_SETGLOBAL	3
+#define RPM_PCO_MAX		4
+
+#if BYTE_ORDER == BIG_ENDIAN /* net byte order */
+struct rr_pco_use {		/* use prefix part */
+	u_int8_t	rpu_uselen;
+	u_int8_t	rpu_keeplen;
+	u_int8_t	rpu_mask_onlink : 1;
+	u_int8_t	rpu_mask_autonomous : 1;
+	u_int8_t	rpu_mask_reserved : 6;
+	u_int8_t	rpu_onlink : 1;
+	u_int8_t	rpu_autonomous : 1;
+	u_int8_t	rpu_raflags_reserved : 6;
+	u_int32_t	rpu_vltime;
+	u_int32_t	rpu_pltime;
+	u_int32_t	rpu_decr_vltime : 1;
+	u_int32_t	rpu_decr_pltime : 1;
+	u_int32_t	rpu_flags_reserved : 6;
+	u_int32_t	rpu_reserved : 24;
+	struct in6_addr rpu_prefix;
+};
+#elif BYTE_ORDER == LITTLE_ENDIAN
+struct rr_pco_use {		/* use prefix part */
+	u_int8_t	rpu_uselen;
+	u_int8_t	rpu_keeplen;
+	u_int8_t	rpu_mask_reserved : 6;
+	u_int8_t	rpu_mask_autonomous : 1;
+	u_int8_t	rpu_mask_onlink : 1;
+	u_int8_t	rpu_raflags_reserved : 6;
+	u_int8_t	rpu_autonomous : 1;
+	u_int8_t	rpu_onlink : 1;
+	u_int32_t	rpu_vltime;
+	u_int32_t	rpu_pltime;
+	u_int32_t	rpu_flags_reserved : 6;
+	u_int32_t	rpu_decr_pltime : 1;
+	u_int32_t	rpu_decr_vltime : 1;
+	u_int32_t	rpu_reserved : 24;
+	struct in6_addr rpu_prefix;
+};
+#endif /* BYTE_ORDER */
+
+#if BYTE_ORDER == BIG_ENDIAN /* net byte order */
+struct rr_result {		/* router renumbering result message */
+	u_int8_t	rrr_reserved;
+	u_int8_t	rrr_flags_reserved : 6;
+	u_int8_t	rrr_outofbound : 1;
+	u_int8_t	rrr_forbidden : 1;
+	u_int8_t	rrr_ordinal;
+	u_int8_t	rrr_matchedlen;
+	u_int32_t	rrr_ifid;
+	struct in6_addr rrr_prefix;
+};
+#elif BYTE_ORDER == LITTLE_ENDIAN
+struct rr_result {		/* router renumbering result message */
+	u_int8_t	rrr_reserved;
+	u_int8_t	rrr_forbidden : 1;
+	u_int8_t	rrr_outofbound : 1;
+	u_int8_t	rrr_flags_reserved : 6;
+	u_int8_t	rrr_ordinal;
+	u_int8_t	rrr_matchedlen;
+	u_int32_t	rrr_ifid;
+	struct in6_addr rrr_prefix;
+};
+#endif /* BYTE_ORDER */
+
+/*
+ * icmp6 filter structures.
+ */
+
+struct icmp6_filter {
+	u_int32_t icmp6_filter[8];
+};
+
+#ifdef _KERNEL
+#define	ICMP6_FILTER_SETPASSALL(filterp) \
+    {								\
+	int i; u_char *p;					\
+	p = (u_char *)filterp;					\
+	for (i = 0; i < sizeof(struct icmp6_filter); i++)	\
+		p[i] = 0xff;					\
+    }
+#define	ICMP6_FILTER_SETBLOCKALL(filterp) \
+	bzero(filterp, sizeof(struct icmp6_filter))
+#else /* _KERNEL */
+#define	ICMP6_FILTER_SETPASSALL(filterp) \
+	memset(filterp, 0xff, sizeof(struct icmp6_filter))
+#define	ICMP6_FILTER_SETBLOCKALL(filterp) \
+	memset(filterp, 0x00, sizeof(struct icmp6_filter))
+#endif /* _KERNEL */
+
+#define	ICMP6_FILTER_SETPASS(type, filterp) \
+	(((filterp)->icmp6_filter[(type) >> 5]) |= (1 << ((type) & 31)))
+#define	ICMP6_FILTER_SETBLOCK(type, filterp) \
+	(((filterp)->icmp6_filter[(type) >> 5]) &= ~(1 << ((type) & 31)))
+#define	ICMP6_FILTER_WILLPASS(type, filterp) \
+	((((filterp)->icmp6_filter[(type) >> 5]) & (1 << ((type) & 31))) != 0)
+#define	ICMP6_FILTER_WILLBLOCK(type, filterp) \
+	((((filterp)->icmp6_filter[(type) >> 5]) & (1 << ((type) & 31))) == 0)
+
+/*
+ * Variables related to this implementation
+ * of the internet control message protocol version 6.
+ */
+struct icmp6stat {
+/* statistics related to icmp6 packets generated */
+	u_quad_t icp6s_error;		/* # of calls to icmp6_error */
+	u_quad_t icp6s_canterror;	/* no error 'cuz old was icmp */
+	u_quad_t icp6s_toofreq;		/* no error 'cuz rate limitation */
+	u_quad_t icp6s_outhist[256];
+/* statistics related to input 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 */
+};
+
+/*
+ * Names for ICMP sysctl objects
+ */
+#define ICMPV6CTL_STATS		1
+#define ICMPV6CTL_REDIRACCEPT	2	/* accept/process redirects */
+#define ICMPV6CTL_REDIRTIMEOUT	3	/* redirect cache time */
+#define ICMPV6CTL_ERRRATELIMIT	5	/* ICMPv6 error rate limitation */
+#define ICMPV6CTL_ND6_PRUNE	6
+#define ICMPV6CTL_ND6_DELAY	8
+#define ICMPV6CTL_ND6_UMAXTRIES	9
+#define ICMPV6CTL_ND6_MMAXTRIES		10
+#define ICMPV6CTL_ND6_USELOOPBACK	11
+#define ICMPV6CTL_ND6_PROXYALL	12
+#define ICMPV6CTL_NODEINFO	13
+#define ICMPV6CTL_MAXID		14
+
+#define ICMPV6CTL_NAMES { \
+	{ 0, 0 }, \
+	{ 0, 0 }, \
+	{ "rediraccept", CTLTYPE_INT }, \
+	{ "redirtimeout", CTLTYPE_INT }, \
+	{ 0, 0 }, \
+	{ "errratelimit", CTLTYPE_INT }, \
+	{ "nd6_prune", CTLTYPE_INT }, \
+	{ 0, 0 }, \
+	{ "nd6_delay", CTLTYPE_INT }, \
+	{ "nd6_umaxtries", CTLTYPE_INT }, \
+	{ "nd6_mmaxtries", CTLTYPE_INT }, \
+	{ "nd6_useloopback", CTLTYPE_INT }, \
+	{ "nd6_proxyall", CTLTYPE_INT }, \
+	{ "nodeinfo", CTLTYPE_INT }, \
+}
+
+#define ICMPV6CTL_VARS { \
+	0, \
+	0, \
+	&icmp6_rediraccept,   \
+	&icmp6_redirtimeout,  \
+	0, \
+	0, \
+	&icmp6errratelim, \
+	&nd6_prune,	\
+	0, \
+	&nd6_delay,	\
+	&nd6_umaxtries, \
+	&nd6_mmaxtries,	\
+	&nd6_useloopback, \
+	&nd6_proxyall, \
+	&icmp6_nodeinfo, \
+}
+
+#define RTF_PROBEMTU	RTF_PROTO1
+
+#ifdef _KERNEL
+# ifdef __STDC__
+struct	rtentry;
+struct	rttimer;
+struct	in6_multi;
+# endif
+void	icmp6_init __P((void));
+void	icmp6_paramerror __P((struct mbuf *, int));
+void	icmp6_error __P((struct mbuf *, int, int, int));
+int	icmp6_input __P((struct mbuf **, int *, int));
+void	icmp6_fasttimo __P((void));
+void	icmp6_reflect __P((struct mbuf *, size_t));
+void	icmp6_prepare __P((struct mbuf *));
+void	icmp6_redirect_input __P((struct mbuf *, int));
+void	icmp6_redirect_output __P((struct mbuf *, struct rtentry *));
+int	icmp6_sysctl __P((int *, u_int, void *, size_t *, void *, size_t));
+
+/* XXX: is this the right place for these macros? */
+#define icmp6_ifstat_inc(ifp, tag) \
+do {								\
+	if ((ifp) && (ifp)->if_index <= if_index			\
+	 && (ifp)->if_index < icmp6_ifstatmax			\
+	 && icmp6_ifstat && icmp6_ifstat[(ifp)->if_index]) {	\
+		icmp6_ifstat[(ifp)->if_index]->tag++;		\
+	}							\
+} while (0)
+
+#define icmp6_ifoutstat_inc(ifp, type, code) \
+do { \
+		icmp6_ifstat_inc(ifp, ifs6_out_msg); \
+ 		if (type < ICMP6_INFOMSG_MASK) \
+ 			icmp6_ifstat_inc(ifp, ifs6_out_error); \
+		switch(type) { \
+		 case ICMP6_DST_UNREACH: \
+			 icmp6_ifstat_inc(ifp, ifs6_out_dstunreach); \
+			 if (code == ICMP6_DST_UNREACH_ADMIN) \
+				 icmp6_ifstat_inc(ifp, ifs6_out_adminprohib); \
+			 break; \
+		 case ICMP6_PACKET_TOO_BIG: \
+			 icmp6_ifstat_inc(ifp, ifs6_out_pkttoobig); \
+			 break; \
+		 case ICMP6_TIME_EXCEEDED: \
+			 icmp6_ifstat_inc(ifp, ifs6_out_timeexceed); \
+			 break; \
+		 case ICMP6_PARAM_PROB: \
+			 icmp6_ifstat_inc(ifp, ifs6_out_paramprob); \
+			 break; \
+		 case ICMP6_ECHO_REQUEST: \
+			 icmp6_ifstat_inc(ifp, ifs6_out_echo); \
+			 break; \
+		 case ICMP6_ECHO_REPLY: \
+			 icmp6_ifstat_inc(ifp, ifs6_out_echoreply); \
+			 break; \
+		 case MLD6_LISTENER_QUERY: \
+			 icmp6_ifstat_inc(ifp, ifs6_out_mldquery); \
+			 break; \
+		 case MLD6_LISTENER_REPORT: \
+			 icmp6_ifstat_inc(ifp, ifs6_out_mldreport); \
+			 break; \
+		 case MLD6_LISTENER_DONE: \
+			 icmp6_ifstat_inc(ifp, ifs6_out_mlddone); \
+			 break; \
+		 case ND_ROUTER_SOLICIT: \
+			 icmp6_ifstat_inc(ifp, ifs6_out_routersolicit); \
+			 break; \
+		 case ND_ROUTER_ADVERT: \
+			 icmp6_ifstat_inc(ifp, ifs6_out_routeradvert); \
+			 break; \
+		 case ND_NEIGHBOR_SOLICIT: \
+			 icmp6_ifstat_inc(ifp, ifs6_out_neighborsolicit); \
+			 break; \
+		 case ND_NEIGHBOR_ADVERT: \
+			 icmp6_ifstat_inc(ifp, ifs6_out_neighboradvert); \
+			 break; \
+		 case ND_REDIRECT: \
+			 icmp6_ifstat_inc(ifp, ifs6_out_redirect); \
+			 break; \
+		} \
+} while (0)
+
+extern int	icmp6_rediraccept;	/* accept/process redirects */
+extern int	icmp6_redirtimeout;	/* cache time for redirect routes */
+#endif /* _KERNEL */
 
-#endif /* !_NETINET_ICMP6_H_ */
+#endif /* not _NETINET_ICMP6_H_ */
diff --git a/sys/netinet/ip6.h b/sys/netinet/ip6.h
index 33b19eba749..e840eb82f68 100644
--- a/sys/netinet/ip6.h
+++ b/sys/netinet/ip6.h
@@ -1,3 +1,249 @@
-/*	$OpenBSD: ip6.h,v 1.1 1999/12/08 06:50:19 itojun Exp $	*/
+/*	$OpenBSD: ip6.h,v 1.2 2000/02/07 05:45:55 itojun Exp $	*/
 
-#include <netinet6/ip6.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. 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, 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
+
+#if BYTE_ORDER == BIG_ENDIAN
+#define IPV6_FLOWINFO_MASK	0x0fffffff	/* flow info (28 bits) */
+#define IPV6_FLOWLABEL_MASK	0x000fffff	/* flow label (20 bits) */
+#else
+#if BYTE_ORDER == LITTLE_ENDIAN
+#define IPV6_FLOWINFO_MASK	0xffffff0f	/* flow info (28 bits) */
+#define IPV6_FLOWLABEL_MASK	0xffff0f00	/* flow label (20 bits) */
+#endif /* LITTLE_ENDIAN */
+#endif
+#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 */
+};
+
+#if BYTE_ORDER == BIG_ENDIAN
+#define IP6F_OFF_MASK		0xfff8	/* mask out offset from _offlg */
+#define IP6F_RESERVED_MASK	0x0006	/* reserved bits in ip6f_offlg */
+#define IP6F_MORE_FRAG		0x0001	/* more-fragments flag */
+#else /* BYTE_ORDER == LITTLE_ENDIAN */
+#define IP6F_OFF_MASK		0xf8ff	/* mask out offset from _offlg */
+#define IP6F_RESERVED_MASK	0x0600	/* reserved bits in ip6f_offlg */
+#define IP6F_MORE_FRAG		0x0100	/* more-fragments flag */
+#endif /* BYTE_ORDER == LITTLE_ENDIAN */
+
+/*
+ * Internet implementation parameters.
+ */
+#define IPV6_MAXHLIM	255	/* maximun hoplimit */
+#define IPV6_DEFHLIM	64	/* default hlim */
+#define IPV6_FRAGTTL	120	/* ttl for fragment packets, in slowtimo tick */
+#define IPV6_HLIMDEC	1	/* subtracted when forwaeding */
+
+#define IPV6_MMTU	1280	/* minimal MTU and reassembly. 1024 + 256 */
+#define IPV6_MAXPACKET	65535	/* ip6 max packet size without Jumbo payload*/
+
+/*
+ * IP6_EXTHDR_CHECK ensures that region between the IP6 header and the
+ * target header (including IPv6 itself, extension headers and
+ * TCP/UDP/ICMP6 headers) are continuous. KAME requires drivers
+ * to store incoming data into one internal mbuf or one or more external
+ * mbufs(never into two or more internal mbufs). Thus, the third case is
+ * supposed to never be matched but is prepared just in case.
+ */
+
+#define IP6_EXTHDR_CHECK(m, off, hlen, ret)				\
+do {									\
+    if ((m)->m_next != NULL) {						\
+	if (((m)->m_flags & M_LOOP) &&					\
+	    ((m)->m_len < (off) + (hlen)) &&				\
+	    (((m) = m_pullup((m), (off) + (hlen))) == NULL)) {		\
+		ip6stat.ip6s_exthdrtoolong++;				\
+		return ret;						\
+	} else if ((m)->m_flags & M_EXT) {				\
+		if ((m)->m_len < (off) + (hlen)) {			\
+			ip6stat.ip6s_exthdrtoolong++;			\
+			m_freem(m);					\
+			return ret;					\
+		}							\
+	} else {							\
+		if ((m)->m_len < (off) + (hlen)) {			\
+			ip6stat.ip6s_exthdrtoolong++;			\
+			m_freem(m);					\
+			return ret;					\
+		}							\
+	}								\
+    }									\
+    else {								\
+	if ((m)->m_len < (off) + (hlen)) {				\
+		ip6stat.ip6s_tooshort++;				\
+		in6_ifstat_inc(m->m_pkthdr.rcvif, ifs6_in_truncated);	\
+		m_freem(m);						\
+		return ret;						\
+	}								\
+    }									\
+} while (0)
+
+#endif /* not _NETINET_IP6_H_ */
diff --git a/sys/netinet6/icmp6.h b/sys/netinet6/icmp6.h
index 0aaac9c9340..1cb6d336808 100644
--- a/sys/netinet6/icmp6.h
+++ b/sys/netinet6/icmp6.h
@@ -1,654 +1,4 @@
-/*	$OpenBSD: icmp6.h,v 1.5 2000/01/19 16:02:18 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_icmp.h	8.1 (Berkeley) 6/10/93
- */
-
-#ifndef _NETINET6_ICMPV6_H_
-#define _NETINET6_ICMPV6_H_
-
-#define ICMPV6_PLD_MAXLEN	1232	/* IPV6_MMTU - sizeof(struct ip6_hdr)
-					   - sizeof(struct icmp6_hdr) */
-
-struct icmp6_hdr {
-	u_int8_t	icmp6_type;	/* type field */
-	u_int8_t	icmp6_code;	/* code field */
-	u_int16_t	icmp6_cksum;	/* checksum field */
-	union {
-		u_int32_t	icmp6_un_data32[1]; /* type-specific field */
-		u_int16_t	icmp6_un_data16[2]; /* type-specific field */
-		u_int8_t	icmp6_un_data8[4];  /* type-specific field */
-	} icmp6_dataun;
-};
-
-#define icmp6_data32	icmp6_dataun.icmp6_un_data32
-#define icmp6_data16	icmp6_dataun.icmp6_un_data16
-#define icmp6_data8	icmp6_dataun.icmp6_un_data8
-#define icmp6_pptr	icmp6_data32[0]		/* parameter prob */
-#define icmp6_mtu	icmp6_data32[0]		/* packet too big */
-#define icmp6_id	icmp6_data16[0]		/* echo request/reply */
-#define icmp6_seq	icmp6_data16[1]		/* echo request/reply */
-#define icmp6_maxdelay	icmp6_data16[0]		/* mcast group membership */
-
-#define ICMP6_DST_UNREACH		1	/* dest unreachable, codes: */
-#define ICMP6_PACKET_TOO_BIG		2	/* packet too big */
-#define ICMP6_TIME_EXCEEDED		3	/* time exceeded, code: */
-#define ICMP6_PARAM_PROB		4	/* ip6 header bad */
-
-#define ICMP6_ECHO_REQUEST		128	/* echo service */
-#define ICMP6_ECHO_REPLY		129	/* echo reply */
-#define ICMP6_MEMBERSHIP_QUERY		130	/* group membership query */
-#define MLD6_LISTENER_QUERY		130 	/* multicast listener query */
-#define ICMP6_MEMBERSHIP_REPORT		131	/* group membership report */
-#define MLD6_LISTENER_REPORT		131	/* multicast listener report */
-#define ICMP6_MEMBERSHIP_REDUCTION	132	/* group membership termination */
-#define MLD6_LISTENER_DONE		132	/* multicast listener done */
-
-#define ND_ROUTER_SOLICIT		133	/* router solicitation */
-#define ND_ROUTER_ADVERT		134	/* router advertisment */
-#define ND_NEIGHBOR_SOLICIT		135	/* neighbor solicitation */
-#define ND_NEIGHBOR_ADVERT		136	/* neighbor advertisment */
-#define ND_REDIRECT			137	/* redirect */
-
-#define ICMP6_ROUTER_RENUMBERING	138	/* router renumbering */
-
-#define ICMP6_WRUREQUEST		139	/* who are you request */
-#define ICMP6_WRUREPLY			140	/* who are you reply */
-#define ICMP6_FQDN_QUERY		139	/* FQDN query */
-#define ICMP6_FQDN_REPLY		140	/* FQDN reply */
-#define ICMP6_NI_QUERY			139	/* node information request */
-#define ICMP6_NI_REPLY			140	/* node information reply */
-
-/* The definitions below are experimental. TBA */
-#define MLD6_MTRACE_RESP		141	/* mtrace response(to sender) */
-#define MLD6_MTRACE			142	/* mtrace messages */
-
-#define ICMP6_MAXTYPE			142
-
-#define ICMP6_DST_UNREACH_NOROUTE	0	/* no route to destination */
-#define ICMP6_DST_UNREACH_ADMIN	 	1	/* administratively prohibited */
-#define ICMP6_DST_UNREACH_NOTNEIGHBOR	2	/* not a neighbor(obsolete) */
-#define ICMP6_DST_UNREACH_BEYONDSCOPE	2	/* beyond scope of source address */
-#define ICMP6_DST_UNREACH_ADDR		3	/* address unreachable */
-#define ICMP6_DST_UNREACH_NOPORT	4	/* port unreachable */
-
-#define ICMP6_TIME_EXCEED_TRANSIT 	0	/* ttl==0 in transit */
-#define ICMP6_TIME_EXCEED_REASSEMBLY	1	/* ttl==0 in reass */
-
-#define ICMP6_PARAMPROB_HEADER 	 	0	/* erroneous header field */
-#define ICMP6_PARAMPROB_NEXTHEADER	1	/* unrecognized next header */
-#define ICMP6_PARAMPROB_OPTION		2	/* unrecognized option */
-
-#define ICMP6_INFOMSG_MASK		0x80	/* all informational messages */
-
-#define ICMP6_NI_SUCESS		0	/* node information successful reply */
-#define ICMP6_NI_REFUSED	1	/* node information request is refused */
-#define ICMP6_NI_UNKNOWN	2	/* unknown Qtype */
-
-#define ICMP6_ROUTER_RENUMBERING_COMMAND  0	/* rr command */
-#define ICMP6_ROUTER_RENUMBERING_RESULT   1	/* rr result */
-#define ICMP6_ROUTER_RENUMBERING_SEQNUM_RESET   255	/* rr seq num reset */
-
-/* Used in kernel only */
-#define ND_REDIRECT_ONLINK	0	/* redirect to an on-link node */
-#define ND_REDIRECT_ROUTER	1	/* redirect to a better router */
-
-/*
- * Multicast Listener Discovery
- */
-struct mld6_hdr {
-	struct icmp6_hdr	mld6_hdr;
-	struct in6_addr		mld6_addr; /* multicast address */
-};
-
-#define mld6_type	mld6_hdr.icmp6_type
-#define mld6_code	mld6_hdr.icmp6_code
-#define mld6_cksum	mld6_hdr.icmp6_cksum
-#define mld6_maxdelay	mld6_hdr.icmp6_data16[0]
-#define mld6_reserved	mld6_hdr.icmp6_data16[1]
-
-/*
- * Neighbor Discovery
- */
-
-struct nd_router_solicit {	/* router solicitation */
-	struct icmp6_hdr 	nd_rs_hdr;
-	/* could be followed by options */
-};
-
-#define nd_rs_type	nd_rs_hdr.icmp6_type
-#define nd_rs_code	nd_rs_hdr.icmp6_code
-#define nd_rs_cksum	nd_rs_hdr.icmp6_cksum
-#define nd_rs_reserved	nd_rs_hdr.icmp6_data32[0]
-
-struct nd_router_advert {	/* router advertisement */
-	struct icmp6_hdr	nd_ra_hdr;
-	u_int32_t		nd_ra_reachable;	/* reachable time */
-	u_int32_t		nd_ra_retransmit;	/* retransmit timer */
-	/* could be followed by options */
-};
-
-#define nd_ra_type		nd_ra_hdr.icmp6_type
-#define nd_ra_code		nd_ra_hdr.icmp6_code
-#define nd_ra_cksum		nd_ra_hdr.icmp6_cksum
-#define nd_ra_curhoplimit	nd_ra_hdr.icmp6_data8[0]
-#define nd_ra_flags_reserved	nd_ra_hdr.icmp6_data8[1]
-#define ND_RA_FLAG_MANAGED	0x80
-#define ND_RA_FLAG_OTHER	0x40
-#define nd_ra_router_lifetime	nd_ra_hdr.icmp6_data16[1]
-
-struct nd_neighbor_solicit {	/* neighbor solicitation */
-	struct icmp6_hdr	nd_ns_hdr;
-	struct in6_addr		nd_ns_target;	/*target address */
-	/* could be followed by options */
-};
-
-#define nd_ns_type		nd_ns_hdr.icmp6_type
-#define nd_ns_code		nd_ns_hdr.icmp6_code
-#define nd_ns_cksum		nd_ns_hdr.icmp6_cksum
-#define nd_ns_reserved		nd_ns_hdr.icmp6_data32[0]
-
-struct nd_neighbor_advert {	/* neighbor advertisement */
-	struct icmp6_hdr	nd_na_hdr;
-	struct in6_addr		nd_na_target;	/* target address */
-	/* could be followed by options */
-};
-
-#define nd_na_type		nd_na_hdr.icmp6_type
-#define nd_na_code		nd_na_hdr.icmp6_code
-#define nd_na_cksum		nd_na_hdr.icmp6_cksum
-#define nd_na_flags_reserved	nd_na_hdr.icmp6_data32[0]
-#if BYTE_ORDER == BIG_ENDIAN
-#define ND_NA_FLAG_ROUTER		0x80000000
-#define ND_NA_FLAG_SOLICITED		0x40000000
-#define ND_NA_FLAG_OVERRIDE		0x20000000
-#else
-#if BYTE_ORDER == LITTLE_ENDIAN
-#define ND_NA_FLAG_ROUTER		0x80
-#define ND_NA_FLAG_SOLICITED		0x40
-#define ND_NA_FLAG_OVERRIDE		0x20
-#endif
-#endif
-
-struct nd_redirect {		/* redirect */
-	struct icmp6_hdr	nd_rd_hdr;
-	struct in6_addr		nd_rd_target;	/* target address */
-	struct in6_addr		nd_rd_dst;	/* destination address */
-	/* could be followed by options */
-};
-
-#define nd_rd_type		nd_rd_hdr.icmp6_type
-#define nd_rd_code		nd_rd_hdr.icmp6_code
-#define nd_rd_cksum		nd_rd_hdr.icmp6_cksum
-#define nd_rd_reserved		nd_rd_hdr.icmp6_data32[0]
-
-struct nd_opt_hdr {		/* Neighbor discovery option header */
-	u_int8_t	nd_opt_type;
-	u_int8_t	nd_opt_len;
-	/* followed by option specific data*/
-};
-
-#define ND_OPT_SOURCE_LINKADDR		1
-#define ND_OPT_TARGET_LINKADDR		2
-#define ND_OPT_PREFIX_INFORMATION	3
-#define ND_OPT_REDIRECTED_HEADER	4
-#define ND_OPT_MTU			5
-
-struct nd_opt_prefix_info {	/* prefix information */
-	u_int8_t	nd_opt_pi_type;
-	u_int8_t	nd_opt_pi_len;
-	u_int8_t	nd_opt_pi_prefix_len;
-	u_int8_t	nd_opt_pi_flags_reserved;
-	u_int32_t	nd_opt_pi_valid_time;
-	u_int32_t	nd_opt_pi_preferred_time;
-	u_int32_t	nd_opt_pi_reserved2;
-	struct in6_addr	nd_opt_pi_prefix;
-};
-
-#define ND_OPT_PI_FLAG_ONLINK		0x80
-#define ND_OPT_PI_FLAG_AUTO		0x40
-
-struct nd_opt_rd_hdr {         /* redirected header */
-	u_int8_t	nd_opt_rh_type;
-	u_int8_t	nd_opt_rh_len;
-	u_int16_t	nd_opt_rh_reserved1;
-	u_int32_t	nd_opt_rh_reserved2;
-	/* followed by IP header and data */
-};
-
-struct nd_opt_mtu {		/* MTU option */
-	u_int8_t	nd_opt_mtu_type;
-	u_int8_t	nd_opt_mtu_len;
-	u_int16_t	nd_opt_mtu_reserved;
-	u_int32_t	nd_opt_mtu_mtu;
-};
-
-/*
- * icmp6 namelookup
- */
-
-struct icmp6_namelookup {
-	struct icmp6_hdr 	icmp6_nl_hdr;
-	u_int8_t	icmp6_nl_nonce[8];
-	u_int32_t	icmp6_nl_ttl;
-#if 0
-	u_int8_t	icmp6_nl_len;
-	u_int8_t	icmp6_nl_name[3];
-#endif
-	/* could be followed by options */
-};
-
-/*
- * icmp6 node information
- */
-struct icmp6_nodeinfo {
-	struct icmp6_hdr icmp6_ni_hdr;
-	u_int8_t icmp6_ni_nonce[8];
-	/* could be followed by reply data */
-};
-
-#define ni_type		icmp6_ni_hdr.icmp6_type
-#define ni_code		icmp6_ni_hdr.icmp6_code
-#define ni_cksum	icmp6_ni_hdr.icmp6_cksum
-#define ni_qtype	icmp6_ni_hdr.icmp6_data16[0]
-#define ni_flags	icmp6_ni_hdr.icmp6_data16[1]
-
-
-#define NI_QTYPE_NOOP		0 /* NOOP  */
-#define NI_QTYPE_SUPTYPES	1 /* Supported Qtypes */
-#define NI_QTYPE_FQDN		2 /* FQDN */
-#define NI_QTYPE_NODEADDR	3 /* Node Addresses. XXX: spec says 2, but it may be a typo... */
-
-#if BYTE_ORDER == BIG_ENDIAN
-#define NI_SUPTYPE_FLAG_COMPRESS	0x1
-#define NI_FQDN_FLAG_VALIDTTL		0x1
-#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_SUPTYPE_FLAG_COMPRESS	0x0100
-#define NI_FQDN_FLAG_VALIDTTL		0x0100
-#define NI_NODEADDR_FLAG_LINKLOCAL	0x0100
-#define NI_NODEADDR_FLAG_SITELOCAL	0x0200
-#define NI_NODEADDR_FLAG_GLOBAL		0x0400
-#define NI_NODEADDR_FLAG_ALL		0x0800
-#define NI_NODEADDR_FLAG_TRUNCATE	0x1000
-#define NI_NODEADDR_FLAG_ANYCAST	0x2000 /* 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
- */
-#if BYTE_ORDER == BIG_ENDIAN /* net byte order */
-struct icmp6_router_renum {	/* router renumbering header */
-	struct icmp6_hdr	rr_hdr;
-	u_int8_t		rr_segnum;
-	u_int8_t		rr_test : 1;
-	u_int8_t		rr_reqresult : 1;
-	u_int8_t		rr_forceapply : 1;
-	u_int8_t		rr_specsite : 1;
-	u_int8_t		rr_prevdone : 1;
-	u_int8_t		rr_flags_reserved : 3;
-	u_int16_t		rr_maxdelay;
-	u_int32_t		rr_reserved;
-};
-#elif BYTE_ORDER == LITTLE_ENDIAN
-struct icmp6_router_renum {	/* router renumbering header */
-	struct icmp6_hdr	rr_hdr;
-	u_int8_t		rr_segnum;
-	u_int8_t		rr_flags_reserved : 3;
-	u_int8_t		rr_prevdone : 1;
-	u_int8_t		rr_specsite : 1;
-	u_int8_t		rr_forceapply : 1;
-	u_int8_t		rr_reqresult : 1;
-	u_int8_t		rr_test : 1;
-	u_int16_t		rr_maxdelay;
-	u_int32_t		rr_reserved;
-};
-#endif /* BYTE_ORDER */
-
-#define rr_type			rr_hdr.icmp6_type
-#define rr_code			rr_hdr.icmp6_code
-#define rr_cksum		rr_hdr.icmp6_cksum
-#define rr_seqnum 		rr_hdr.icmp6_data32[0]
-
-struct rr_pco_match {		/* match prefix part */
-	u_int8_t	rpm_code;
-	u_int8_t	rpm_len;
-	u_int8_t	rpm_ordinal;
-	u_int8_t	rpm_matchlen;
-	u_int8_t	rpm_minlen;
-	u_int8_t	rpm_maxlen;
-	u_int16_t	rpm_reserved;
-	struct in6_addr	rpm_prefix;
-};
-
-#define RPM_PCO_ADD		1
-#define RPM_PCO_CHANGE		2
-#define RPM_PCO_SETGLOBAL	3
-#define RPM_PCO_MAX		4
-
-#if BYTE_ORDER == BIG_ENDIAN /* net byte order */
-struct rr_pco_use {		/* use prefix part */
-	u_int8_t	rpu_uselen;
-	u_int8_t	rpu_keeplen;
-	u_int8_t	rpu_mask_onlink : 1;
-	u_int8_t	rpu_mask_autonomous : 1;
-	u_int8_t	rpu_mask_reserved : 6;
-	u_int8_t	rpu_onlink : 1;
-	u_int8_t	rpu_autonomous : 1;
-	u_int8_t	rpu_raflags_reserved : 6;
-	u_int32_t	rpu_vltime;
-	u_int32_t	rpu_pltime;
-	u_int32_t	rpu_decr_vltime : 1;
-	u_int32_t	rpu_decr_pltime : 1;
-	u_int32_t	rpu_flags_reserved : 6;
-	u_int32_t	rpu_reserved : 24;
-	struct in6_addr rpu_prefix;
-};
-#elif BYTE_ORDER == LITTLE_ENDIAN
-struct rr_pco_use {		/* use prefix part */
-	u_int8_t	rpu_uselen;
-	u_int8_t	rpu_keeplen;
-	u_int8_t	rpu_mask_reserved : 6;
-	u_int8_t	rpu_mask_autonomous : 1;
-	u_int8_t	rpu_mask_onlink : 1;
-	u_int8_t	rpu_raflags_reserved : 6;
-	u_int8_t	rpu_autonomous : 1;
-	u_int8_t	rpu_onlink : 1;
-	u_int32_t	rpu_vltime;
-	u_int32_t	rpu_pltime;
-	u_int32_t	rpu_flags_reserved : 6;
-	u_int32_t	rpu_decr_pltime : 1;
-	u_int32_t	rpu_decr_vltime : 1;
-	u_int32_t	rpu_reserved : 24;
-	struct in6_addr rpu_prefix;
-};
-#endif /* BYTE_ORDER */
-
-#if BYTE_ORDER == BIG_ENDIAN /* net byte order */
-struct rr_result {		/* router renumbering result message */
-	u_int8_t	rrr_reserved;
-	u_int8_t	rrr_flags_reserved : 6;
-	u_int8_t	rrr_outofbound : 1;
-	u_int8_t	rrr_forbidden : 1;
-	u_int8_t	rrr_ordinal;
-	u_int8_t	rrr_matchedlen;
-	u_int32_t	rrr_ifid;
-	struct in6_addr rrr_prefix;
-};
-#elif BYTE_ORDER == LITTLE_ENDIAN
-struct rr_result {		/* router renumbering result message */
-	u_int8_t	rrr_reserved;
-	u_int8_t	rrr_forbidden : 1;
-	u_int8_t	rrr_outofbound : 1;
-	u_int8_t	rrr_flags_reserved : 6;
-	u_int8_t	rrr_ordinal;
-	u_int8_t	rrr_matchedlen;
-	u_int32_t	rrr_ifid;
-	struct in6_addr rrr_prefix;
-};
-#endif /* BYTE_ORDER */
-
-/*
- * icmp6 filter structures.
- */
-
-struct icmp6_filter {
-	u_int32_t icmp6_filter[8];
-};
-
-#ifdef _KERNEL
-#define	ICMP6_FILTER_SETPASSALL(filterp) \
-    {								\
-	int i; u_char *p;					\
-	p = (u_char *)filterp;					\
-	for (i = 0; i < sizeof(struct icmp6_filter); i++)	\
-		p[i] = 0xff;					\
-    }
-#define	ICMP6_FILTER_SETBLOCKALL(filterp) \
-	bzero(filterp, sizeof(struct icmp6_filter))
-#else /* _KERNEL */
-#define	ICMP6_FILTER_SETPASSALL(filterp) \
-	memset(filterp, 0xff, sizeof(struct icmp6_filter))
-#define	ICMP6_FILTER_SETBLOCKALL(filterp) \
-	memset(filterp, 0x00, sizeof(struct icmp6_filter))
-#endif /* _KERNEL */
-
-#define	ICMP6_FILTER_SETPASS(type, filterp) \
-	(((filterp)->icmp6_filter[(type) >> 5]) |= (1 << ((type) & 31)))
-#define	ICMP6_FILTER_SETBLOCK(type, filterp) \
-	(((filterp)->icmp6_filter[(type) >> 5]) &= ~(1 << ((type) & 31)))
-#define	ICMP6_FILTER_WILLPASS(type, filterp) \
-	((((filterp)->icmp6_filter[(type) >> 5]) & (1 << ((type) & 31))) != 0)
-#define	ICMP6_FILTER_WILLBLOCK(type, filterp) \
-	((((filterp)->icmp6_filter[(type) >> 5]) & (1 << ((type) & 31))) == 0)
-
-/*
- * Variables related to this implementation
- * of the internet control message protocol version 6.
- */
-struct icmp6stat {
-/* statistics related to icmp6 packets generated */
-	u_quad_t icp6s_error;		/* # of calls to icmp6_error */
-	u_quad_t icp6s_canterror;	/* no error 'cuz old was icmp */
-	u_quad_t icp6s_toofreq;		/* no error 'cuz rate limitation */
-	u_quad_t icp6s_outhist[256];
-/* statistics related to input 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 */
-};
-
-/*
- * Names for ICMP sysctl objects
- */
-#define ICMPV6CTL_STATS		1
-#define ICMPV6CTL_REDIRACCEPT	2	/* accept/process redirects */
-#define ICMPV6CTL_REDIRTIMEOUT	3	/* redirect cache time */
-#define ICMPV6CTL_ERRRATELIMIT	5	/* ICMPv6 error rate limitation */
-#define ICMPV6CTL_ND6_PRUNE	6
-#define ICMPV6CTL_ND6_DELAY	8
-#define ICMPV6CTL_ND6_UMAXTRIES	9
-#define ICMPV6CTL_ND6_MMAXTRIES		10
-#define ICMPV6CTL_ND6_USELOOPBACK	11
-#define ICMPV6CTL_ND6_PROXYALL	12
-#define ICMPV6CTL_NODEINFO	13
-#define ICMPV6CTL_MAXID		14
-
-#define ICMPV6CTL_NAMES { \
-	{ 0, 0 }, \
-	{ 0, 0 }, \
-	{ "rediraccept", CTLTYPE_INT }, \
-	{ "redirtimeout", CTLTYPE_INT }, \
-	{ 0, 0 }, \
-	{ "errratelimit", CTLTYPE_INT }, \
-	{ "nd6_prune", CTLTYPE_INT }, \
-	{ 0, 0 }, \
-	{ "nd6_delay", CTLTYPE_INT }, \
-	{ "nd6_umaxtries", CTLTYPE_INT }, \
-	{ "nd6_mmaxtries", CTLTYPE_INT }, \
-	{ "nd6_useloopback", CTLTYPE_INT }, \
-	{ "nd6_proxyall", CTLTYPE_INT }, \
-	{ "nodeinfo", CTLTYPE_INT }, \
-}
-
-#define ICMPV6CTL_VARS { \
-	0, \
-	0, \
-	&icmp6_rediraccept,   \
-	&icmp6_redirtimeout,  \
-	0, \
-	0, \
-	&icmp6errratelim, \
-	&nd6_prune,	\
-	0, \
-	&nd6_delay,	\
-	&nd6_umaxtries, \
-	&nd6_mmaxtries,	\
-	&nd6_useloopback, \
-	&nd6_proxyall, \
-	&icmp6_nodeinfo, \
-}
-
-#define RTF_PROBEMTU	RTF_PROTO1
-
-#ifdef _KERNEL
-# ifdef __STDC__
-struct	rtentry;
-struct	rttimer;
-struct	in6_multi;
-# endif
-void	icmp6_init __P((void));
-void	icmp6_paramerror __P((struct mbuf *, int));
-void	icmp6_error __P((struct mbuf *, int, int, int));
-int	icmp6_input __P((struct mbuf **, int *, int));
-void	icmp6_fasttimo __P((void));
-void	icmp6_reflect __P((struct mbuf *, size_t));
-void	icmp6_prepare __P((struct mbuf *));
-void	icmp6_redirect_input __P((struct mbuf *, int));
-void	icmp6_redirect_output __P((struct mbuf *, struct rtentry *));
-int	icmp6_sysctl __P((int *, u_int, void *, size_t *, void *, size_t));
-
-/* XXX: is this the right place for these macros? */
-#define icmp6_ifstat_inc(ifp, tag) \
-do {								\
-	if ((ifp) && (ifp)->if_index <= if_index			\
-	 && (ifp)->if_index < icmp6_ifstatmax			\
-	 && icmp6_ifstat && icmp6_ifstat[(ifp)->if_index]) {	\
-		icmp6_ifstat[(ifp)->if_index]->tag++;		\
-	}							\
-} while (0)
-
-#define icmp6_ifoutstat_inc(ifp, type, code) \
-do { \
-		icmp6_ifstat_inc(ifp, ifs6_out_msg); \
- 		if (type < ICMP6_INFOMSG_MASK) \
- 			icmp6_ifstat_inc(ifp, ifs6_out_error); \
-		switch(type) { \
-		 case ICMP6_DST_UNREACH: \
-			 icmp6_ifstat_inc(ifp, ifs6_out_dstunreach); \
-			 if (code == ICMP6_DST_UNREACH_ADMIN) \
-				 icmp6_ifstat_inc(ifp, ifs6_out_adminprohib); \
-			 break; \
-		 case ICMP6_PACKET_TOO_BIG: \
-			 icmp6_ifstat_inc(ifp, ifs6_out_pkttoobig); \
-			 break; \
-		 case ICMP6_TIME_EXCEEDED: \
-			 icmp6_ifstat_inc(ifp, ifs6_out_timeexceed); \
-			 break; \
-		 case ICMP6_PARAM_PROB: \
-			 icmp6_ifstat_inc(ifp, ifs6_out_paramprob); \
-			 break; \
-		 case ICMP6_ECHO_REQUEST: \
-			 icmp6_ifstat_inc(ifp, ifs6_out_echo); \
-			 break; \
-		 case ICMP6_ECHO_REPLY: \
-			 icmp6_ifstat_inc(ifp, ifs6_out_echoreply); \
-			 break; \
-		 case MLD6_LISTENER_QUERY: \
-			 icmp6_ifstat_inc(ifp, ifs6_out_mldquery); \
-			 break; \
-		 case MLD6_LISTENER_REPORT: \
-			 icmp6_ifstat_inc(ifp, ifs6_out_mldreport); \
-			 break; \
-		 case MLD6_LISTENER_DONE: \
-			 icmp6_ifstat_inc(ifp, ifs6_out_mlddone); \
-			 break; \
-		 case ND_ROUTER_SOLICIT: \
-			 icmp6_ifstat_inc(ifp, ifs6_out_routersolicit); \
-			 break; \
-		 case ND_ROUTER_ADVERT: \
-			 icmp6_ifstat_inc(ifp, ifs6_out_routeradvert); \
-			 break; \
-		 case ND_NEIGHBOR_SOLICIT: \
-			 icmp6_ifstat_inc(ifp, ifs6_out_neighborsolicit); \
-			 break; \
-		 case ND_NEIGHBOR_ADVERT: \
-			 icmp6_ifstat_inc(ifp, ifs6_out_neighboradvert); \
-			 break; \
-		 case ND_REDIRECT: \
-			 icmp6_ifstat_inc(ifp, ifs6_out_redirect); \
-			 break; \
-		} \
-} while (0)
-
-extern int	icmp6_rediraccept;	/* accept/process redirects */
-extern int	icmp6_redirtimeout;	/* cache time for redirect routes */
-#endif /* _KERNEL */
-
-#endif /* not _NETINET6_ICMPV6_H_ */
+/*	$OpenBSD: icmp6.h,v 1.6 2000/02/07 05:45:55 itojun Exp $	*/
 
+/* just for backward compatibility, will be nuked shortly */
+#include <netinet/icmp6.h>
diff --git a/sys/netinet6/ip6.h b/sys/netinet6/ip6.h
index 47ec642c291..7f9df6df148 100644
--- a/sys/netinet6/ip6.h
+++ b/sys/netinet6/ip6.h
@@ -1,249 +1,4 @@
-/*	$OpenBSD: ip6.h,v 1.2 2000/01/03 12:34:23 angelos Exp $	*/
+/*	$OpenBSD: ip6.h,v 1.3 2000/02/07 05:45:55 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 _NETINET6_IPV6_H_
-#define _NETINET6_IPV6_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, 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
-
-#if BYTE_ORDER == BIG_ENDIAN
-#define IPV6_FLOWINFO_MASK	0x0fffffff	/* flow info (28 bits) */
-#define IPV6_FLOWLABEL_MASK	0x000fffff	/* flow label (20 bits) */
-#else
-#if BYTE_ORDER == LITTLE_ENDIAN
-#define IPV6_FLOWINFO_MASK	0xffffff0f	/* flow info (28 bits) */
-#define IPV6_FLOWLABEL_MASK	0xffff0f00	/* flow label (20 bits) */
-#endif /* LITTLE_ENDIAN */
-#endif
-#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 */
-};
-
-#if BYTE_ORDER == BIG_ENDIAN
-#define IP6F_OFF_MASK		0xfff8	/* mask out offset from _offlg */
-#define IP6F_RESERVED_MASK	0x0006	/* reserved bits in ip6f_offlg */
-#define IP6F_MORE_FRAG		0x0001	/* more-fragments flag */
-#else /* BYTE_ORDER == LITTLE_ENDIAN */
-#define IP6F_OFF_MASK		0xf8ff	/* mask out offset from _offlg */
-#define IP6F_RESERVED_MASK	0x0600	/* reserved bits in ip6f_offlg */
-#define IP6F_MORE_FRAG		0x0100	/* more-fragments flag */
-#endif /* BYTE_ORDER == LITTLE_ENDIAN */
-
-/*
- * Internet implementation parameters.
- */
-#define IPV6_MAXHLIM	255	/* maximun hoplimit */
-#define IPV6_DEFHLIM	64	/* default hlim */
-#define IPV6_FRAGTTL	120	/* ttl for fragment packets, in slowtimo tick */
-#define IPV6_HLIMDEC	1	/* subtracted when forwaeding */
-
-#define IPV6_MMTU	1280	/* minimal MTU and reassembly. 1024 + 256 */
-#define IPV6_MAXPACKET	65535	/* ip6 max packet size without Jumbo payload*/
-
-/*
- * IP6_EXTHDR_CHECK ensures that region between the IP6 header and the
- * target header (including IPv6 itself, extension headers and
- * TCP/UDP/ICMP6 headers) are continuous. KAME requires drivers
- * to store incoming data into one internal mbuf or one or more external
- * mbufs(never into two or more internal mbufs). Thus, the third case is
- * supposed to never be matched but is prepared just in case.
- */
-
-#define IP6_EXTHDR_CHECK(m, off, hlen, ret)				\
-do {									\
-    if ((m)->m_next != NULL) {						\
-	if (((m)->m_flags & M_LOOP) &&					\
-	    ((m)->m_len < (off) + (hlen)) &&				\
-	    (((m) = m_pullup((m), (off) + (hlen))) == NULL)) {		\
-		ip6stat.ip6s_exthdrtoolong++;				\
-		return ret;						\
-	} else if ((m)->m_flags & M_EXT) {				\
-		if ((m)->m_len < (off) + (hlen)) {			\
-			ip6stat.ip6s_exthdrtoolong++;			\
-			m_freem(m);					\
-			return ret;					\
-		}							\
-	} else {							\
-		if ((m)->m_len < (off) + (hlen)) {			\
-			ip6stat.ip6s_exthdrtoolong++;			\
-			m_freem(m);					\
-			return ret;					\
-		}							\
-	}								\
-    }									\
-    else {								\
-	if ((m)->m_len < (off) + (hlen)) {				\
-		ip6stat.ip6s_tooshort++;				\
-		in6_ifstat_inc(m->m_pkthdr.rcvif, ifs6_in_truncated);	\
-		m_freem(m);						\
-		return ret;						\
-	}								\
-    }									\
-} while (0)
-
-#endif /* not _NETINET_IPV6_H_ */
+/* just for backward compatibility, will be nuked shortly */
+#include <netinet/ip6.h>