sysroot/usr/include/netinet/icmp6.h - android_ndk - Git at Google

 /*	$NetBSD: icmp6.h,v 1.47 2013/07/01 12:43:15 christos Exp $	*/
 /*	$KAME: icmp6.h,v 1.84 2003/04/23 10:26:51 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. 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 <netinet/in.h> /* android-added: glibc source compatibility. */
 #include <sys/cdefs.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;
 } __packed;

 #define icmp6_data32	icmp6_dataun.icmp6_un_data32
 #define icmp6_data16	icmp6_dataun.icmp6_un_data16
 #define icmp6_data8	icmp6_dataun.icmp6_un_data8
 #define icmp6_pptr	icmp6_data32[0]		/* parameter prob */
 #define icmp6_mtu	icmp6_data32[0]		/* packet too big */
 #define icmp6_id	icmp6_data16[0]		/* echo request/reply */
 #define icmp6_seq	icmp6_data16[1]		/* echo request/reply */
 #define icmp6_maxdelay	icmp6_data16[0]		/* mcast group membership */

 #define ICMP6_DST_UNREACH		1	/* dest unreachable, codes: */
 #define ICMP6_PACKET_TOO_BIG		2	/* packet too big */
 #define ICMP6_TIME_EXCEEDED		3	/* time exceeded, code: */
 #define ICMP6_PARAM_PROB		4	/* ip6 header bad */

 #define ICMP6_ECHO_REQUEST		128	/* echo service */
 #define ICMP6_ECHO_REPLY		129	/* echo reply */
 #define MLD_LISTENER_QUERY		130 	/* multicast listener query */
 #define MLD_LISTENER_REPORT		131	/* multicast listener report */
 #define MLD_LISTENER_DONE		132	/* multicast listener done */
 #define MLD_LISTENER_REDUCTION MLD_LISTENER_DONE /* RFC3542 definition */

 /* RFC2292 decls */
 #define ICMP6_MEMBERSHIP_QUERY		130	/* group membership query */
 #define ICMP6_MEMBERSHIP_REPORT		131	/* group membership report */
 #define ICMP6_MEMBERSHIP_REDUCTION	132	/* group membership termination */

 #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 */

 #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 */
 } __packed;

 /* 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 */
 } __packed;

 #define nd_rs_type	nd_rs_hdr.icmp6_type
 #define nd_rs_code	nd_rs_hdr.icmp6_code
 #define nd_rs_cksum	nd_rs_hdr.icmp6_cksum
 #define nd_rs_reserved	nd_rs_hdr.icmp6_data32[0]

 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 */
 } __packed;

 #define nd_ra_type		nd_ra_hdr.icmp6_type
 #define nd_ra_code		nd_ra_hdr.icmp6_code
 #define nd_ra_cksum		nd_ra_hdr.icmp6_cksum
 #define nd_ra_curhoplimit	nd_ra_hdr.icmp6_data8[0]
 #define nd_ra_flags_reserved	nd_ra_hdr.icmp6_data8[1]
 #define ND_RA_FLAG_MANAGED	0x80
 #define ND_RA_FLAG_OTHER	0x40
 #define ND_RA_FLAG_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 */
 } __packed;

 #define nd_ns_type		nd_ns_hdr.icmp6_type
 #define nd_ns_code		nd_ns_hdr.icmp6_code
 #define nd_ns_cksum		nd_ns_hdr.icmp6_cksum
 #define nd_ns_reserved		nd_ns_hdr.icmp6_data32[0]

 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 */
 } __packed;

 #define nd_na_type		nd_na_hdr.icmp6_type
 #define nd_na_code		nd_na_hdr.icmp6_code
 #define nd_na_cksum		nd_na_hdr.icmp6_cksum
 #define nd_na_flags_reserved	nd_na_hdr.icmp6_data32[0]
 #define ND_NA_FLAG_ROUTER		0x80
 #define ND_NA_FLAG_SOLICITED		0x40
 #define ND_NA_FLAG_OVERRIDE		0x20

 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 */
 } __packed;

 #define nd_rd_type		nd_rd_hdr.icmp6_type
 #define nd_rd_code		nd_rd_hdr.icmp6_code
 #define nd_rd_cksum		nd_rd_hdr.icmp6_cksum
 #define nd_rd_reserved		nd_rd_hdr.icmp6_data32[0]

 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*/
 } __packed;

 #define ND_OPT_SOURCE_LINKADDR		1
 #define ND_OPT_TARGET_LINKADDR		2
 #define ND_OPT_PREFIX_INFORMATION	3
 #define ND_OPT_REDIRECTED_HEADER	4
 #define ND_OPT_MTU			5
 #define ND_OPT_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;
 } __packed;

 #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 */
 } __packed;

 struct nd_opt_mtu {		/* MTU option */
 	u_int8_t	nd_opt_mtu_type;
 	u_int8_t	nd_opt_mtu_len;
 	u_int16_t	nd_opt_mtu_reserved;
 	u_int32_t	nd_opt_mtu_mtu;
 } __packed;

 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 */
 } __packed;

 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 */
 } __packed;

 /*
  * 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 */
 } __packed;

 /*
  * 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 */
 } __packed;

 /*
  * BEGIN android-removed: glibc doesn't have these, and external/ping declares them itself.
 #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]
  * END android-removed
  */

 #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	0x0100
 #define NI_FQDN_FLAG_VALIDTTL		0x0100

 #ifdef NAME_LOOKUPS_04
 #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 */
 #else  /* draft-ietf-ipngwg-icmp-name-lookups-05 (and later?) */
 #define NI_NODEADDR_FLAG_TRUNCATE	0x0100
 #define NI_NODEADDR_FLAG_ALL		0x0200
 #define NI_NODEADDR_FLAG_COMPAT		0x0400
 #define NI_NODEADDR_FLAG_LINKLOCAL	0x0800
 #define NI_NODEADDR_FLAG_SITELOCAL	0x1000
 #define NI_NODEADDR_FLAG_GLOBAL		0x2000
 #define NI_NODEADDR_FLAG_ANYCAST	0x4000 /* just experimental. not in spec */
 #endif

 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 */
 } __packed;

 /*
  * Router Renumbering. as router-renum-08.txt
  */
 struct icmp6_router_renum {	/* router renumbering header */
 	struct icmp6_hdr	rr_hdr;
 	u_int8_t	rr_segnum;
 	u_int8_t	rr_flags;
 	u_int16_t	rr_maxdelay;
 	u_int32_t	rr_reserved;
 } __packed;

 #define ICMP6_RR_FLAGS_TEST		0x80
 #define ICMP6_RR_FLAGS_REQRESULT	0x40
 #define ICMP6_RR_FLAGS_FORCEAPPLY	0x20
 #define ICMP6_RR_FLAGS_SPECSITE		0x10
 #define ICMP6_RR_FLAGS_PREVDONE		0x08

 #define rr_type		rr_hdr.icmp6_type
 #define rr_code		rr_hdr.icmp6_code
 #define rr_cksum	rr_hdr.icmp6_cksum
 #define rr_seqnum 	rr_hdr.icmp6_data32[0]

 struct rr_pco_match {		/* match prefix part */
 	u_int8_t	rpm_code;
 	u_int8_t	rpm_len;
 	u_int8_t	rpm_ordinal;
 	u_int8_t	rpm_matchlen;
 	u_int8_t	rpm_minlen;
 	u_int8_t	rpm_maxlen;
 	u_int16_t	rpm_reserved;
 	struct	in6_addr	rpm_prefix;
 } __packed;

 #define RPM_PCO_ADD		1
 #define RPM_PCO_CHANGE		2
 #define RPM_PCO_SETGLOBAL	3
 #define RPM_PCO_MAX		4

 struct rr_pco_use {		/* use prefix part */
 	u_int8_t	rpu_uselen;
 	u_int8_t	rpu_keeplen;
 	u_int8_t	rpu_ramask;
 	u_int8_t	rpu_raflags;
 	u_int32_t	rpu_vltime;
 	u_int32_t	rpu_pltime;
 	u_int32_t	rpu_flags;
 	struct	in6_addr rpu_prefix;
 } __packed;
 #define ICMP6_RR_PCOUSE_RAFLAGS_ONLINK	0x80
 #define ICMP6_RR_PCOUSE_RAFLAGS_AUTO	0x40

 #define ICMP6_RR_PCOUSE_FLAGS_DECRVLTIME     0x80
 #define ICMP6_RR_PCOUSE_FLAGS_DECRPLTIME     0x40

 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;
 } __packed;
 #define ICMP6_RR_RESULT_FLAGS_OOB		0x0200
 #define ICMP6_RR_RESULT_FLAGS_FORBIDDEN		0x0100

 /*
  * icmp6 filter structures.
  */

 struct icmp6_filter {
 	u_int32_t icmp6_filt[8];
 };

 /*
  * BEGIN android-changed
  * Linux and *BSD kernels use opposite values to indicate pass/block in ICMPv6
  * filters, and assign a different value to the ICMP6_FILTER sockopt.
  */
 #define ICMP6_FILTER 1

 #define	ICMP6_FILTER_SETPASSALL(filterp) \
 	(void)memset(filterp, 0x00, sizeof(struct icmp6_filter))
 #define	ICMP6_FILTER_SETBLOCKALL(filterp) \
 	(void)memset(filterp, 0xff, 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)
 /*
  * END android-changed
  */

 #endif /* !_NETINET_ICMP6_H_ */
	/* $NetBSD: icmp6.h,v 1.47 2013/07/01 12:43:15 christos Exp $ */
	/* $KAME: icmp6.h,v 1.84 2003/04/23 10:26:51 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. 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 <netinet/in.h> /* android-added: glibc source compatibility. */
	#include <sys/cdefs.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;
	} __packed;

	#define icmp6_data32 icmp6_dataun.icmp6_un_data32
	#define icmp6_data16 icmp6_dataun.icmp6_un_data16
	#define icmp6_data8 icmp6_dataun.icmp6_un_data8
	#define icmp6_pptr icmp6_data32[0] /* parameter prob */
	#define icmp6_mtu icmp6_data32[0] /* packet too big */
	#define icmp6_id icmp6_data16[0] /* echo request/reply */
	#define icmp6_seq icmp6_data16[1] /* echo request/reply */
	#define icmp6_maxdelay icmp6_data16[0] /* mcast group membership */

	#define ICMP6_DST_UNREACH 1 /* dest unreachable, codes: */
	#define ICMP6_PACKET_TOO_BIG 2 /* packet too big */
	#define ICMP6_TIME_EXCEEDED 3 /* time exceeded, code: */
	#define ICMP6_PARAM_PROB 4 /* ip6 header bad */

	#define ICMP6_ECHO_REQUEST 128 /* echo service */
	#define ICMP6_ECHO_REPLY 129 /* echo reply */
	#define MLD_LISTENER_QUERY 130 /* multicast listener query */
	#define MLD_LISTENER_REPORT 131 /* multicast listener report */
	#define MLD_LISTENER_DONE 132 /* multicast listener done */
	#define MLD_LISTENER_REDUCTION MLD_LISTENER_DONE /* RFC3542 definition */

	/* RFC2292 decls */
	#define ICMP6_MEMBERSHIP_QUERY 130 /* group membership query */
	#define ICMP6_MEMBERSHIP_REPORT 131 /* group membership report */
	#define ICMP6_MEMBERSHIP_REDUCTION 132 /* group membership termination */

	#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 */

	#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 */
	} __packed;

	/* 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 */
	} __packed;

	#define nd_rs_type nd_rs_hdr.icmp6_type
	#define nd_rs_code nd_rs_hdr.icmp6_code
	#define nd_rs_cksum nd_rs_hdr.icmp6_cksum
	#define nd_rs_reserved nd_rs_hdr.icmp6_data32[0]

	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 */
	} __packed;

	#define nd_ra_type nd_ra_hdr.icmp6_type
	#define nd_ra_code nd_ra_hdr.icmp6_code
	#define nd_ra_cksum nd_ra_hdr.icmp6_cksum
	#define nd_ra_curhoplimit nd_ra_hdr.icmp6_data8[0]
	#define nd_ra_flags_reserved nd_ra_hdr.icmp6_data8[1]
	#define ND_RA_FLAG_MANAGED 0x80
	#define ND_RA_FLAG_OTHER 0x40
	#define ND_RA_FLAG_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 */
	} __packed;

	#define nd_ns_type nd_ns_hdr.icmp6_type
	#define nd_ns_code nd_ns_hdr.icmp6_code
	#define nd_ns_cksum nd_ns_hdr.icmp6_cksum
	#define nd_ns_reserved nd_ns_hdr.icmp6_data32[0]

	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 */
	} __packed;

	#define nd_na_type nd_na_hdr.icmp6_type
	#define nd_na_code nd_na_hdr.icmp6_code
	#define nd_na_cksum nd_na_hdr.icmp6_cksum
	#define nd_na_flags_reserved nd_na_hdr.icmp6_data32[0]
	#define ND_NA_FLAG_ROUTER 0x80
	#define ND_NA_FLAG_SOLICITED 0x40
	#define ND_NA_FLAG_OVERRIDE 0x20

	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 */
	} __packed;

	#define nd_rd_type nd_rd_hdr.icmp6_type
	#define nd_rd_code nd_rd_hdr.icmp6_code
	#define nd_rd_cksum nd_rd_hdr.icmp6_cksum
	#define nd_rd_reserved nd_rd_hdr.icmp6_data32[0]

	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*/
	} __packed;

	#define ND_OPT_SOURCE_LINKADDR 1
	#define ND_OPT_TARGET_LINKADDR 2
	#define ND_OPT_PREFIX_INFORMATION 3
	#define ND_OPT_REDIRECTED_HEADER 4
	#define ND_OPT_MTU 5
	#define ND_OPT_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;
	} __packed;

	#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 */
	} __packed;

	struct nd_opt_mtu { /* MTU option */
	u_int8_t nd_opt_mtu_type;
	u_int8_t nd_opt_mtu_len;
	u_int16_t nd_opt_mtu_reserved;
	u_int32_t nd_opt_mtu_mtu;
	} __packed;

	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 */
	} __packed;

	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 */
	} __packed;

	/*
	* 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 */
	} __packed;

	/*
	* 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 */
	} __packed;

	/*
	* BEGIN android-removed: glibc doesn't have these, and external/ping declares them itself.
	#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]
	* END android-removed
	*/

	#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 0x0100
	#define NI_FQDN_FLAG_VALIDTTL 0x0100

	#ifdef NAME_LOOKUPS_04
	#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 */
	#else /* draft-ietf-ipngwg-icmp-name-lookups-05 (and later?) */
	#define NI_NODEADDR_FLAG_TRUNCATE 0x0100
	#define NI_NODEADDR_FLAG_ALL 0x0200
	#define NI_NODEADDR_FLAG_COMPAT 0x0400
	#define NI_NODEADDR_FLAG_LINKLOCAL 0x0800
	#define NI_NODEADDR_FLAG_SITELOCAL 0x1000
	#define NI_NODEADDR_FLAG_GLOBAL 0x2000
	#define NI_NODEADDR_FLAG_ANYCAST 0x4000 /* just experimental. not in spec */
	#endif

	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 */
	} __packed;

	/*
	* Router Renumbering. as router-renum-08.txt
	*/
	struct icmp6_router_renum { /* router renumbering header */
	struct icmp6_hdr rr_hdr;
	u_int8_t rr_segnum;
	u_int8_t rr_flags;
	u_int16_t rr_maxdelay;
	u_int32_t rr_reserved;
	} __packed;

	#define ICMP6_RR_FLAGS_TEST 0x80
	#define ICMP6_RR_FLAGS_REQRESULT 0x40
	#define ICMP6_RR_FLAGS_FORCEAPPLY 0x20
	#define ICMP6_RR_FLAGS_SPECSITE 0x10
	#define ICMP6_RR_FLAGS_PREVDONE 0x08

	#define rr_type rr_hdr.icmp6_type
	#define rr_code rr_hdr.icmp6_code
	#define rr_cksum rr_hdr.icmp6_cksum
	#define rr_seqnum rr_hdr.icmp6_data32[0]

	struct rr_pco_match { /* match prefix part */
	u_int8_t rpm_code;
	u_int8_t rpm_len;
	u_int8_t rpm_ordinal;
	u_int8_t rpm_matchlen;
	u_int8_t rpm_minlen;
	u_int8_t rpm_maxlen;
	u_int16_t rpm_reserved;
	struct in6_addr rpm_prefix;
	} __packed;

	#define RPM_PCO_ADD 1
	#define RPM_PCO_CHANGE 2
	#define RPM_PCO_SETGLOBAL 3
	#define RPM_PCO_MAX 4

	struct rr_pco_use { /* use prefix part */
	u_int8_t rpu_uselen;
	u_int8_t rpu_keeplen;
	u_int8_t rpu_ramask;
	u_int8_t rpu_raflags;
	u_int32_t rpu_vltime;
	u_int32_t rpu_pltime;
	u_int32_t rpu_flags;
	struct in6_addr rpu_prefix;
	} __packed;
	#define ICMP6_RR_PCOUSE_RAFLAGS_ONLINK 0x80
	#define ICMP6_RR_PCOUSE_RAFLAGS_AUTO 0x40

	#define ICMP6_RR_PCOUSE_FLAGS_DECRVLTIME 0x80
	#define ICMP6_RR_PCOUSE_FLAGS_DECRPLTIME 0x40

	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;
	} __packed;
	#define ICMP6_RR_RESULT_FLAGS_OOB 0x0200
	#define ICMP6_RR_RESULT_FLAGS_FORBIDDEN 0x0100

	/*
	* icmp6 filter structures.
	*/

	struct icmp6_filter {
	u_int32_t icmp6_filt[8];
	};

	/*
	* BEGIN android-changed
	* Linux and *BSD kernels use opposite values to indicate pass/block in ICMPv6
	* filters, and assign a different value to the ICMP6_FILTER sockopt.
	*/
	#define ICMP6_FILTER 1

	#define ICMP6_FILTER_SETPASSALL(filterp) \
	(void)memset(filterp, 0x00, sizeof(struct icmp6_filter))
	#define ICMP6_FILTER_SETBLOCKALL(filterp) \
	(void)memset(filterp, 0xff, 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)
	/*
	* END android-changed
	*/

	#endif /* !_NETINET_ICMP6_H_ */