1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 #ifndef _IP6T_AH_H
3 #define _IP6T_AH_H
4 
5 #include <linux/types.h>
6 
7 struct ip6t_ah {
8 	__u32 spis[2];			/* Security Parameter Index */
9 	__u32 hdrlen;			/* Header Length */
10 	__u8  hdrres;			/* Test of the Reserved Filed */
11 	__u8  invflags;			/* Inverse flags */
12 };
13 
14 #define IP6T_AH_SPI 0x01
15 #define IP6T_AH_LEN 0x02
16 #define IP6T_AH_RES 0x04
17 
18 /* Values for "invflags" field in struct ip6t_ah. */
19 #define IP6T_AH_INV_SPI		0x01	/* Invert the sense of spi. */
20 #define IP6T_AH_INV_LEN		0x02	/* Invert the sense of length. */
21 #define IP6T_AH_INV_MASK	0x03	/* All possible flags. */
22 
23 #endif /*_IP6T_AH_H*/
24