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