1 #ifndef _IP6T_AH_H 2 #define _IP6T_AH_H 3 4 struct ip6t_ah 5 { 6 u_int32_t spis[2]; /* Security Parameter Index */ 7 u_int32_t hdrlen; /* Header Length */ 8 u_int8_t hdrres; /* Test of the Reserved Filed */ 9 u_int8_t invflags; /* Inverse flags */ 10 }; 11 12 #define IP6T_AH_SPI 0x01 13 #define IP6T_AH_LEN 0x02 14 #define IP6T_AH_RES 0x04 15 16 /* Values for "invflags" field in struct ip6t_ah. */ 17 #define IP6T_AH_INV_SPI 0x01 /* Invert the sense of spi. */ 18 #define IP6T_AH_INV_LEN 0x02 /* Invert the sense of length. */ 19 #define IP6T_AH_INV_MASK 0x03 /* All possible flags. */ 20 21 #endif /*_IP6T_AH_H*/ 22