49 lines
		
	
	
		
			824 B
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			49 lines
		
	
	
		
			824 B
		
	
	
	
		
			C
		
	
	
	
/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
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/*
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 *  IPv6 RPL-SR implementation
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 *
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 *  Author:
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 *  (C) 2020 Alexander Aring <alex.aring@gmail.com>
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 */
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#ifndef _UAPI_LINUX_RPL_H
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#define _UAPI_LINUX_RPL_H
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#include <asm/byteorder.h>
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#include <linux/types.h>
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#include <linux/in6.h>
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/*
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 * RPL SR Header
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 */
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struct ipv6_rpl_sr_hdr {
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	__u8	nexthdr;
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	__u8	hdrlen;
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	__u8	type;
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	__u8	segments_left;
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#if defined(__LITTLE_ENDIAN_BITFIELD)
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	__u32	cmpre:4,
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		cmpri:4,
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		reserved:4,
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		pad:4,
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		reserved1:16;
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#elif defined(__BIG_ENDIAN_BITFIELD)
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	__u32	cmpri:4,
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		cmpre:4,
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		pad:4,
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		reserved:20;
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#else
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#error  "Please fix <asm/byteorder.h>"
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#endif
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	union {
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		struct in6_addr addr[0];
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		__u8 data[0];
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	} segments;
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} __attribute__((packed));
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#define rpl_segaddr	segments.addr
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#define rpl_segdata	segments.data
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#endif
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