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b59e286be2
Based on RFC7112, Section 6:
IANA has added the following "Type 4 - Parameter Problem" message to
the "Internet Control Message Protocol version 6 (ICMPv6) Parameters"
registry:
CODE NAME/DESCRIPTION
3 IPv6 First Fragment has incomplete IPv6 Header Chain
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
176 lines
4.1 KiB
C
176 lines
4.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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#ifndef _UAPI_LINUX_ICMPV6_H
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#define _UAPI_LINUX_ICMPV6_H
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#include <linux/types.h>
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#include <asm/byteorder.h>
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struct icmp6hdr {
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__u8 icmp6_type;
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__u8 icmp6_code;
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__sum16 icmp6_cksum;
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union {
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__be32 un_data32[1];
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__be16 un_data16[2];
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__u8 un_data8[4];
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struct icmpv6_echo {
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__be16 identifier;
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__be16 sequence;
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} u_echo;
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struct icmpv6_nd_advt {
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#if defined(__LITTLE_ENDIAN_BITFIELD)
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__u32 reserved:5,
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override:1,
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solicited:1,
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router:1,
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reserved2:24;
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#elif defined(__BIG_ENDIAN_BITFIELD)
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__u32 router:1,
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solicited:1,
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override:1,
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reserved:29;
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#else
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#error "Please fix <asm/byteorder.h>"
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#endif
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} u_nd_advt;
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struct icmpv6_nd_ra {
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__u8 hop_limit;
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#if defined(__LITTLE_ENDIAN_BITFIELD)
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__u8 reserved:3,
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router_pref:2,
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home_agent:1,
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other:1,
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managed:1;
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#elif defined(__BIG_ENDIAN_BITFIELD)
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__u8 managed:1,
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other:1,
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home_agent:1,
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router_pref:2,
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reserved:3;
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#else
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#error "Please fix <asm/byteorder.h>"
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#endif
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__be16 rt_lifetime;
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} u_nd_ra;
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} icmp6_dataun;
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#define icmp6_identifier icmp6_dataun.u_echo.identifier
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#define icmp6_sequence icmp6_dataun.u_echo.sequence
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#define icmp6_pointer icmp6_dataun.un_data32[0]
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#define icmp6_mtu icmp6_dataun.un_data32[0]
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#define icmp6_unused icmp6_dataun.un_data32[0]
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#define icmp6_maxdelay icmp6_dataun.un_data16[0]
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#define icmp6_datagram_len icmp6_dataun.un_data8[0]
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#define icmp6_router icmp6_dataun.u_nd_advt.router
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#define icmp6_solicited icmp6_dataun.u_nd_advt.solicited
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#define icmp6_override icmp6_dataun.u_nd_advt.override
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#define icmp6_ndiscreserved icmp6_dataun.u_nd_advt.reserved
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#define icmp6_hop_limit icmp6_dataun.u_nd_ra.hop_limit
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#define icmp6_addrconf_managed icmp6_dataun.u_nd_ra.managed
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#define icmp6_addrconf_other icmp6_dataun.u_nd_ra.other
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#define icmp6_rt_lifetime icmp6_dataun.u_nd_ra.rt_lifetime
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#define icmp6_router_pref icmp6_dataun.u_nd_ra.router_pref
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};
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#define ICMPV6_ROUTER_PREF_LOW 0x3
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#define ICMPV6_ROUTER_PREF_MEDIUM 0x0
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#define ICMPV6_ROUTER_PREF_HIGH 0x1
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#define ICMPV6_ROUTER_PREF_INVALID 0x2
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#define ICMPV6_DEST_UNREACH 1
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#define ICMPV6_PKT_TOOBIG 2
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#define ICMPV6_TIME_EXCEED 3
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#define ICMPV6_PARAMPROB 4
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#define ICMPV6_ERRMSG_MAX 127
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#define ICMPV6_INFOMSG_MASK 0x80
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#define ICMPV6_ECHO_REQUEST 128
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#define ICMPV6_ECHO_REPLY 129
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#define ICMPV6_MGM_QUERY 130
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#define ICMPV6_MGM_REPORT 131
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#define ICMPV6_MGM_REDUCTION 132
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#define ICMPV6_NI_QUERY 139
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#define ICMPV6_NI_REPLY 140
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#define ICMPV6_MLD2_REPORT 143
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#define ICMPV6_DHAAD_REQUEST 144
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#define ICMPV6_DHAAD_REPLY 145
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#define ICMPV6_MOBILE_PREFIX_SOL 146
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#define ICMPV6_MOBILE_PREFIX_ADV 147
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#define ICMPV6_MRDISC_ADV 151
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#define ICMPV6_MSG_MAX 255
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/*
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* Codes for Destination Unreachable
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*/
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#define ICMPV6_NOROUTE 0
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#define ICMPV6_ADM_PROHIBITED 1
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#define ICMPV6_NOT_NEIGHBOUR 2
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#define ICMPV6_ADDR_UNREACH 3
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#define ICMPV6_PORT_UNREACH 4
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#define ICMPV6_POLICY_FAIL 5
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#define ICMPV6_REJECT_ROUTE 6
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/*
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* Codes for Time Exceeded
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*/
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#define ICMPV6_EXC_HOPLIMIT 0
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#define ICMPV6_EXC_FRAGTIME 1
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/*
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* Codes for Parameter Problem
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*/
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#define ICMPV6_HDR_FIELD 0
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#define ICMPV6_UNK_NEXTHDR 1
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#define ICMPV6_UNK_OPTION 2
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#define ICMPV6_HDR_INCOMP 3
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/*
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* constants for (set|get)sockopt
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*/
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#define ICMPV6_FILTER 1
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/*
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* ICMPV6 filter
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*/
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#define ICMPV6_FILTER_BLOCK 1
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#define ICMPV6_FILTER_PASS 2
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#define ICMPV6_FILTER_BLOCKOTHERS 3
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#define ICMPV6_FILTER_PASSONLY 4
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struct icmp6_filter {
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__u32 data[8];
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};
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/*
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* Definitions for MLDv2
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*/
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#define MLD2_MODE_IS_INCLUDE 1
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#define MLD2_MODE_IS_EXCLUDE 2
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#define MLD2_CHANGE_TO_INCLUDE 3
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#define MLD2_CHANGE_TO_EXCLUDE 4
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#define MLD2_ALLOW_NEW_SOURCES 5
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#define MLD2_BLOCK_OLD_SOURCES 6
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#define MLD2_ALL_MCR_INIT { { { 0xff,0x02,0,0,0,0,0,0,0,0,0,0,0,0,0,0x16 } } }
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#endif /* _UAPI_LINUX_ICMPV6_H */
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