ip6t_ipv6header.h

 1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
 2/* ipv6header match - matches IPv6 packets based
 3on whether they contain certain headers */
 4
 5/* Original idea: Brad Chapman 
 6 * Rewritten by: Andras Kis-Szabo <kisza@sch.bme.hu> */
 7
 8
 9#ifndef __IPV6HEADER_H
10#define __IPV6HEADER_H
11
12#include <linux/types.h>
13
14struct ip6t_ipv6header_info {
15	__u8 matchflags;
16	__u8 invflags;
17	__u8 modeflag;
18};
19
20#define MASK_HOPOPTS    128
21#define MASK_DSTOPTS    64
22#define MASK_ROUTING    32
23#define MASK_FRAGMENT   16
24#define MASK_AH         8
25#define MASK_ESP        4
26#define MASK_NONE       2
27#define MASK_PROTO      1
28
29#endif /* __IPV6HEADER_H */