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