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	Add definitions for the ICMPV6 type of Extended Echo Request and Extended Echo Reply, as defined by sections 2 and 3 of RFC 8335. Signed-off-by: Andreas Roeseler <andreas.a.roeseler@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
		
			
				
	
	
		
			179 lines
		
	
	
		
			4.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			179 lines
		
	
	
		
			4.2 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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/* Codes for EXT_ECHO (PROBE) */
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#define ICMPV6_EXT_ECHO_REQUEST		160
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#define ICMPV6_EXT_ECHO_REPLY		161
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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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