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#ifndef _LINUX_ICMPV6_H
#define _LINUX_ICMPV6_H
#include <endian.h>
#include <byteswap.h>
struct icmp6hdr {
__u8 icmp6_type;
__u8 icmp6_code;
__u16 icmp6_cksum;
union {
__u32 un_data32[1];
__u16 un_data16[2];
__u8 un_data8[4];
struct icmpv6_echo {
__u16 identifier;
__u16 sequence;
} u_echo;
struct icmpv6_nd_advt {
#if defined(__LITTLE_ENDIAN)
__u32 reserved:5,
override:1,
solicited:1,
router:1,
reserved2:24;
#elif defined(__BIG_ENDIAN)
__u32 router:1,
solicited:1,
override:1,
reserved:29;
#endif
} u_nd_advt;
struct icmpv6_nd_ra {
__u8 hop_limit;
#if defined(__LITTLE_ENDIAN)
__u8 reserved:6,
other:1,
managed:1;
#elif defined(__BIG_ENDIAN)
__u8 managed:1,
other:1,
reserved:6;
#endif
__u16 rt_lifetime;
} u_nd_ra;
} icmp6_dataun;
#define icmp6_identifier icmp6_dataun.u_echo.identifier
#define icmp6_sequence icmp6_dataun.u_echo.sequence
#define icmp6_pointer icmp6_dataun.un_data32[0]
#define icmp6_mtu icmp6_dataun.un_data32[0]
#define icmp6_unused icmp6_dataun.un_data32[0]
#define icmp6_maxdelay icmp6_dataun.un_data16[0]
#define icmp6_router icmp6_dataun.u_nd_advt.router
#define icmp6_solicited icmp6_dataun.u_nd_advt.solicited
#define icmp6_override icmp6_dataun.u_nd_advt.override
#define icmp6_ndiscreserved icmp6_dataun.u_nd_advt.reserved
#define icmp6_hop_limit icmp6_dataun.u_nd_ra.hop_limit
#define icmp6_addrconf_managed icmp6_dataun.u_nd_ra.managed
#define icmp6_addrconf_other icmp6_dataun.u_nd_ra.other
#define icmp6_rt_lifetime icmp6_dataun.u_nd_ra.rt_lifetime
};
#define ICMPV6_DEST_UNREACH 1
#define ICMPV6_PKT_TOOBIG 2
#define ICMPV6_TIME_EXCEED 3
#define ICMPV6_PARAMPROB 4
#define ICMPV6_INFOMSG_MASK 0x80
#define ICMPV6_ECHO_REQUEST 128
#define ICMPV6_ECHO_REPLY 129
#define ICMPV6_MGM_QUERY 130
#define ICMPV6_MGM_REPORT 131
#define ICMPV6_MGM_REDUCTION 132
/*
* Codes for Destination Unreachable
*/
#define ICMPV6_NOROUTE 0
#define ICMPV6_ADM_PROHIBITED 1
#define ICMPV6_NOT_NEIGHBOUR 2
#define ICMPV6_ADDR_UNREACH 3
#define ICMPV6_PORT_UNREACH 4
/*
* Codes for Time Exceeded
*/
#define ICMPV6_EXC_HOPLIMIT 0
#define ICMPV6_EXC_FRAGTIME 1
/*
* Codes for Parameter Problem
*/
#define ICMPV6_HDR_FIELD 0
#define ICMPV6_UNK_NEXTHDR 1
#define ICMPV6_UNK_OPTION 2
/*
* constants for (set|get)sockopt
*/
#define ICMPV6_FILTER 1
/*
* ICMPV6 filter
*/
#define ICMPV6_FILTER_BLOCK 1
#define ICMPV6_FILTER_PASS 2
#define ICMPV6_FILTER_BLOCKOTHERS 3
#define ICMPV6_FILTER_PASSONLY 4
struct icmp6_filter {
__u32 data[8];
};
#endif
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