lib/libdss-include/netinet/icmp6.h - LeafOS-Devices/android_kernel_samsung_gta4xl - Gitiles

 /* Copyright (C) 1991-2016 Free Software Foundation, Inc.
    This file is part of the GNU C Library.

    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) any later version.

    The GNU C Library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
    <http://www.gnu.org/licenses/>.  */

 #ifndef _NETINET_ICMP6_H
 #define _NETINET_ICMP6_H 1

 #include <inttypes.h>
 #include <string.h>
 #include <sys/types.h>
 #include <netinet/in.h>

 #define ICMP6_FILTER 1

 #define ICMP6_FILTER_BLOCK		1
 #define ICMP6_FILTER_PASS		2
 #define ICMP6_FILTER_BLOCKOTHERS	3
 #define ICMP6_FILTER_PASSONLY		4

 struct icmp6_filter
   {
     uint32_t icmp6_filt[8];
   };

 struct icmp6_hdr
   {
     uint8_t     icmp6_type;   /* type field */
     uint8_t     icmp6_code;   /* code field */
     uint16_t    icmp6_cksum;  /* checksum field */
     union
       {
 	uint32_t  icmp6_un_data32[1]; /* type-specific field */
 	uint16_t  icmp6_un_data16[2]; /* type-specific field */
 	uint8_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
 #define ICMP6_PACKET_TOO_BIG          2
 #define ICMP6_TIME_EXCEEDED           3
 #define ICMP6_PARAM_PROB              4

 #define ICMP6_INFOMSG_MASK  0x80    /* all informational messages */

 #define ICMP6_ECHO_REQUEST          128
 #define ICMP6_ECHO_REPLY            129
 #define MLD_LISTENER_QUERY          130
 #define MLD_LISTENER_REPORT         131
 #define MLD_LISTENER_REDUCTION      132

 #define ICMP6_DST_UNREACH_NOROUTE     0 /* no route to destination */
 #define ICMP6_DST_UNREACH_ADMIN       1 /* communication with destination */
                                         /* administratively prohibited */
 #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 /* bad port */

 #define ICMP6_TIME_EXCEED_TRANSIT     0 /* Hop Limit == 0 in transit */
 #define ICMP6_TIME_EXCEED_REASSEMBLY  1 /* Reassembly time out */

 #define ICMP6_PARAMPROB_HEADER        0 /* erroneous header field */
 #define ICMP6_PARAMPROB_NEXTHEADER    1 /* unrecognized Next Header */
 #define ICMP6_PARAMPROB_OPTION        2 /* unrecognized IPv6 option */

 #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)

 #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_SETPASSALL(filterp) \
 	memset (filterp, 0, sizeof (struct icmp6_filter));

 #define ICMP6_FILTER_SETBLOCKALL(filterp) \
 	memset (filterp, 0xFF, sizeof (struct icmp6_filter));

 #define ND_ROUTER_SOLICIT           133
 #define ND_ROUTER_ADVERT            134
 #define ND_NEIGHBOR_SOLICIT         135
 #define ND_NEIGHBOR_ADVERT          136
 #define ND_REDIRECT                 137

 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;
     uint32_t   nd_ra_reachable;   /* reachable time */
     uint32_t   nd_ra_retransmit;  /* retransmit timer */
     /* could be followed by options */
   };

 #define nd_ra_type               nd_ra_hdr.icmp6_type
 #define nd_ra_code               nd_ra_hdr.icmp6_code
 #define nd_ra_cksum              nd_ra_hdr.icmp6_cksum
 #define nd_ra_curhoplimit        nd_ra_hdr.icmp6_data8[0]
 #define nd_ra_flags_reserved     nd_ra_hdr.icmp6_data8[1]
 #define ND_RA_FLAG_MANAGED       0x80
 #define ND_RA_FLAG_OTHER         0x40
 #define ND_RA_FLAG_HOME_AGENT    0x20
 #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   /* BYTE_ORDER == LITTLE_ENDIAN */
 #define ND_NA_FLAG_ROUTER        0x00000080
 #define ND_NA_FLAG_SOLICITED     0x00000040
 #define ND_NA_FLAG_OVERRIDE      0x00000020
 #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 */
   {
     uint8_t  nd_opt_type;
     uint8_t  nd_opt_len;        /* in units of 8 octets */
     /* followed by option specific data */
   };

 #define ND_OPT_SOURCE_LINKADDR		1
 #define ND_OPT_TARGET_LINKADDR		2
 #define ND_OPT_PREFIX_INFORMATION	3
 #define ND_OPT_REDIRECTED_HEADER	4
 #define ND_OPT_MTU			5
 #define ND_OPT_RTR_ADV_INTERVAL		7
 #define ND_OPT_HOME_AGENT_INFO		8

 struct nd_opt_prefix_info     /* prefix information */
   {
     uint8_t   nd_opt_pi_type;
     uint8_t   nd_opt_pi_len;
     uint8_t   nd_opt_pi_prefix_len;
     uint8_t   nd_opt_pi_flags_reserved;
     uint32_t  nd_opt_pi_valid_time;
     uint32_t  nd_opt_pi_preferred_time;
     uint32_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
 #define ND_OPT_PI_FLAG_RADDR	0x20

 struct nd_opt_rd_hdr          /* redirected header */
   {
     uint8_t   nd_opt_rh_type;
     uint8_t   nd_opt_rh_len;
     uint16_t  nd_opt_rh_reserved1;
     uint32_t  nd_opt_rh_reserved2;
     /* followed by IP header and data */
   };

 struct nd_opt_mtu             /* MTU option */
   {
     uint8_t   nd_opt_mtu_type;
     uint8_t   nd_opt_mtu_len;
     uint16_t  nd_opt_mtu_reserved;
     uint32_t  nd_opt_mtu_mtu;
   };

 struct mld_hdr
   {
     struct icmp6_hdr    mld_icmp6_hdr;
     struct in6_addr     mld_addr; /* multicast address */
   };

 #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 ICMP6_ROUTER_RENUMBERING    138

 struct icmp6_router_renum    /* router renumbering header */
   {
     struct icmp6_hdr    rr_hdr;
     uint8_t             rr_segnum;
     uint8_t             rr_flags;
     uint16_t            rr_maxdelay;
     uint32_t            rr_reserved;
   };

 #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]

 /* Router renumbering flags */
 #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

 struct rr_pco_match    /* match prefix part */
   {
     uint8_t             rpm_code;
     uint8_t             rpm_len;
     uint8_t             rpm_ordinal;
     uint8_t             rpm_matchlen;
     uint8_t             rpm_minlen;
     uint8_t             rpm_maxlen;
     uint16_t            rpm_reserved;
     struct in6_addr     rpm_prefix;
   };

 /* PCO code values */
 #define RPM_PCO_ADD             1
 #define RPM_PCO_CHANGE          2
 #define RPM_PCO_SETGLOBAL       3

 struct rr_pco_use      /* use prefix part */
   {
     uint8_t             rpu_uselen;
     uint8_t             rpu_keeplen;
     uint8_t             rpu_ramask;
     uint8_t             rpu_raflags;
     uint32_t            rpu_vltime;
     uint32_t            rpu_pltime;
     uint32_t            rpu_flags;
     struct in6_addr     rpu_prefix;
   };

 #define ICMP6_RR_PCOUSE_RAFLAGS_ONLINK  0x20
 #define ICMP6_RR_PCOUSE_RAFLAGS_AUTO    0x10

 #if BYTE_ORDER == BIG_ENDIAN
 # define ICMP6_RR_PCOUSE_FLAGS_DECRVLTIME 0x80000000
 # define ICMP6_RR_PCOUSE_FLAGS_DECRPLTIME 0x40000000
 #elif BYTE_ORDER == LITTLE_ENDIAN
 # define ICMP6_RR_PCOUSE_FLAGS_DECRVLTIME 0x80
 # define ICMP6_RR_PCOUSE_FLAGS_DECRPLTIME 0x40
 #endif

 struct rr_result       /* router renumbering result message */
   {
     uint16_t            rrr_flags;
     uint8_t             rrr_ordinal;
     uint8_t             rrr_matchedlen;
     uint32_t            rrr_ifid;
     struct in6_addr     rrr_prefix;
   };

 #if BYTE_ORDER == BIG_ENDIAN
 # define ICMP6_RR_RESULT_FLAGS_OOB       0x0002
 # define ICMP6_RR_RESULT_FLAGS_FORBIDDEN 0x0001
 #elif BYTE_ORDER == LITTLE_ENDIAN
 # define ICMP6_RR_RESULT_FLAGS_OOB       0x0200
 # define ICMP6_RR_RESULT_FLAGS_FORBIDDEN 0x0100
 #endif

 /* Mobile IPv6 extension: Advertisement Interval.  */
 struct nd_opt_adv_interval
   {
     uint8_t   nd_opt_adv_interval_type;
     uint8_t   nd_opt_adv_interval_len;
     uint16_t  nd_opt_adv_interval_reserved;
     uint32_t  nd_opt_adv_interval_ival;
   };

 /* Mobile IPv6 extension: Home Agent Info.  */
 struct nd_opt_home_agent_info
   {
     uint8_t   nd_opt_home_agent_info_type;
     uint8_t   nd_opt_home_agent_info_len;
     uint16_t  nd_opt_home_agent_info_reserved;
     uint16_t  nd_opt_home_agent_info_preference;
     uint16_t  nd_opt_home_agent_info_lifetime;
   };

 #endif /* netinet/icmpv6.h */
	/* Copyright (C) 1991-2016 Free Software Foundation, Inc.
	This file is part of the GNU C Library.

	The GNU C Library is free software; you can redistribute it and/or
	modify it under the terms of the GNU Lesser General Public
	License as published by the Free Software Foundation; either
	version 2.1 of the License, or (at your option) any later version.

	The GNU C Library is distributed in the hope that it will be useful,
	but WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	Lesser General Public License for more details.

	You should have received a copy of the GNU Lesser General Public
	License along with the GNU C Library; if not, see
	<http://www.gnu.org/licenses/>. */

	#ifndef _NETINET_ICMP6_H
	#define _NETINET_ICMP6_H 1

	#include <inttypes.h>
	#include <string.h>
	#include <sys/types.h>
	#include <netinet/in.h>

	#define ICMP6_FILTER 1

	#define ICMP6_FILTER_BLOCK 1
	#define ICMP6_FILTER_PASS 2
	#define ICMP6_FILTER_BLOCKOTHERS 3
	#define ICMP6_FILTER_PASSONLY 4

	struct icmp6_filter
	{
	uint32_t icmp6_filt[8];
	};

	struct icmp6_hdr
	{
	uint8_t icmp6_type; /* type field */
	uint8_t icmp6_code; /* code field */
	uint16_t icmp6_cksum; /* checksum field */
	union
	{
	uint32_t icmp6_un_data32[1]; /* type-specific field */
	uint16_t icmp6_un_data16[2]; /* type-specific field */
	uint8_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
	#define ICMP6_PACKET_TOO_BIG 2
	#define ICMP6_TIME_EXCEEDED 3
	#define ICMP6_PARAM_PROB 4

	#define ICMP6_INFOMSG_MASK 0x80 /* all informational messages */

	#define ICMP6_ECHO_REQUEST 128
	#define ICMP6_ECHO_REPLY 129
	#define MLD_LISTENER_QUERY 130
	#define MLD_LISTENER_REPORT 131
	#define MLD_LISTENER_REDUCTION 132

	#define ICMP6_DST_UNREACH_NOROUTE 0 /* no route to destination */
	#define ICMP6_DST_UNREACH_ADMIN 1 /* communication with destination */
	/* administratively prohibited */
	#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 /* bad port */

	#define ICMP6_TIME_EXCEED_TRANSIT 0 /* Hop Limit == 0 in transit */
	#define ICMP6_TIME_EXCEED_REASSEMBLY 1 /* Reassembly time out */

	#define ICMP6_PARAMPROB_HEADER 0 /* erroneous header field */
	#define ICMP6_PARAMPROB_NEXTHEADER 1 /* unrecognized Next Header */
	#define ICMP6_PARAMPROB_OPTION 2 /* unrecognized IPv6 option */

	#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)

	#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_SETPASSALL(filterp) \
	memset (filterp, 0, sizeof (struct icmp6_filter));

	#define ICMP6_FILTER_SETBLOCKALL(filterp) \
	memset (filterp, 0xFF, sizeof (struct icmp6_filter));

	#define ND_ROUTER_SOLICIT 133
	#define ND_ROUTER_ADVERT 134
	#define ND_NEIGHBOR_SOLICIT 135
	#define ND_NEIGHBOR_ADVERT 136
	#define ND_REDIRECT 137

	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;
	uint32_t nd_ra_reachable; /* reachable time */
	uint32_t nd_ra_retransmit; /* retransmit timer */
	/* could be followed by options */
	};

	#define nd_ra_type nd_ra_hdr.icmp6_type
	#define nd_ra_code nd_ra_hdr.icmp6_code
	#define nd_ra_cksum nd_ra_hdr.icmp6_cksum
	#define nd_ra_curhoplimit nd_ra_hdr.icmp6_data8[0]
	#define nd_ra_flags_reserved nd_ra_hdr.icmp6_data8[1]
	#define ND_RA_FLAG_MANAGED 0x80
	#define ND_RA_FLAG_OTHER 0x40
	#define ND_RA_FLAG_HOME_AGENT 0x20
	#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 /* BYTE_ORDER == LITTLE_ENDIAN */
	#define ND_NA_FLAG_ROUTER 0x00000080
	#define ND_NA_FLAG_SOLICITED 0x00000040
	#define ND_NA_FLAG_OVERRIDE 0x00000020
	#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 */
	{
	uint8_t nd_opt_type;
	uint8_t nd_opt_len; /* in units of 8 octets */
	/* followed by option specific data */
	};

	#define ND_OPT_SOURCE_LINKADDR 1
	#define ND_OPT_TARGET_LINKADDR 2
	#define ND_OPT_PREFIX_INFORMATION 3
	#define ND_OPT_REDIRECTED_HEADER 4
	#define ND_OPT_MTU 5
	#define ND_OPT_RTR_ADV_INTERVAL 7
	#define ND_OPT_HOME_AGENT_INFO 8

	struct nd_opt_prefix_info /* prefix information */
	{
	uint8_t nd_opt_pi_type;
	uint8_t nd_opt_pi_len;
	uint8_t nd_opt_pi_prefix_len;
	uint8_t nd_opt_pi_flags_reserved;
	uint32_t nd_opt_pi_valid_time;
	uint32_t nd_opt_pi_preferred_time;
	uint32_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
	#define ND_OPT_PI_FLAG_RADDR 0x20

	struct nd_opt_rd_hdr /* redirected header */
	{
	uint8_t nd_opt_rh_type;
	uint8_t nd_opt_rh_len;
	uint16_t nd_opt_rh_reserved1;
	uint32_t nd_opt_rh_reserved2;
	/* followed by IP header and data */
	};

	struct nd_opt_mtu /* MTU option */
	{
	uint8_t nd_opt_mtu_type;
	uint8_t nd_opt_mtu_len;
	uint16_t nd_opt_mtu_reserved;
	uint32_t nd_opt_mtu_mtu;
	};

	struct mld_hdr
	{
	struct icmp6_hdr mld_icmp6_hdr;
	struct in6_addr mld_addr; /* multicast address */
	};

	#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 ICMP6_ROUTER_RENUMBERING 138

	struct icmp6_router_renum /* router renumbering header */
	{
	struct icmp6_hdr rr_hdr;
	uint8_t rr_segnum;
	uint8_t rr_flags;
	uint16_t rr_maxdelay;
	uint32_t rr_reserved;
	};

	#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]

	/* Router renumbering flags */
	#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

	struct rr_pco_match /* match prefix part */
	{
	uint8_t rpm_code;
	uint8_t rpm_len;
	uint8_t rpm_ordinal;
	uint8_t rpm_matchlen;
	uint8_t rpm_minlen;
	uint8_t rpm_maxlen;
	uint16_t rpm_reserved;
	struct in6_addr rpm_prefix;
	};

	/* PCO code values */
	#define RPM_PCO_ADD 1
	#define RPM_PCO_CHANGE 2
	#define RPM_PCO_SETGLOBAL 3

	struct rr_pco_use /* use prefix part */
	{
	uint8_t rpu_uselen;
	uint8_t rpu_keeplen;
	uint8_t rpu_ramask;
	uint8_t rpu_raflags;
	uint32_t rpu_vltime;
	uint32_t rpu_pltime;
	uint32_t rpu_flags;
	struct in6_addr rpu_prefix;
	};

	#define ICMP6_RR_PCOUSE_RAFLAGS_ONLINK 0x20
	#define ICMP6_RR_PCOUSE_RAFLAGS_AUTO 0x10

	#if BYTE_ORDER == BIG_ENDIAN
	# define ICMP6_RR_PCOUSE_FLAGS_DECRVLTIME 0x80000000
	# define ICMP6_RR_PCOUSE_FLAGS_DECRPLTIME 0x40000000
	#elif BYTE_ORDER == LITTLE_ENDIAN
	# define ICMP6_RR_PCOUSE_FLAGS_DECRVLTIME 0x80
	# define ICMP6_RR_PCOUSE_FLAGS_DECRPLTIME 0x40
	#endif

	struct rr_result /* router renumbering result message */
	{
	uint16_t rrr_flags;
	uint8_t rrr_ordinal;
	uint8_t rrr_matchedlen;
	uint32_t rrr_ifid;
	struct in6_addr rrr_prefix;
	};

	#if BYTE_ORDER == BIG_ENDIAN
	# define ICMP6_RR_RESULT_FLAGS_OOB 0x0002
	# define ICMP6_RR_RESULT_FLAGS_FORBIDDEN 0x0001
	#elif BYTE_ORDER == LITTLE_ENDIAN
	# define ICMP6_RR_RESULT_FLAGS_OOB 0x0200
	# define ICMP6_RR_RESULT_FLAGS_FORBIDDEN 0x0100
	#endif

	/* Mobile IPv6 extension: Advertisement Interval. */
	struct nd_opt_adv_interval
	{
	uint8_t nd_opt_adv_interval_type;
	uint8_t nd_opt_adv_interval_len;
	uint16_t nd_opt_adv_interval_reserved;
	uint32_t nd_opt_adv_interval_ival;
	};

	/* Mobile IPv6 extension: Home Agent Info. */
	struct nd_opt_home_agent_info
	{
	uint8_t nd_opt_home_agent_info_type;
	uint8_t nd_opt_home_agent_info_len;
	uint16_t nd_opt_home_agent_info_reserved;
	uint16_t nd_opt_home_agent_info_preference;
	uint16_t nd_opt_home_agent_info_lifetime;
	};

	#endif /* netinet/icmpv6.h */