1#ifndef _IP6T_ESP_H 2#define _IP6T_ESP_H 3 4struct ip6t_esp 5{ 6 u_int32_t spis[2]; /* Security Parameter Index */ 7 u_int8_t invflags; /* Inverse flags */ 8}; 9 10#define MASK_HOPOPTS 128 11#define MASK_DSTOPTS 64 12#define MASK_ROUTING 32 13#define MASK_FRAGMENT 16 14#define MASK_AH 8 15#define MASK_ESP 4 16#define MASK_NONE 2 17#define MASK_PROTO 1 18 19/* Values for "invflags" field in struct ip6t_esp. */ 20#define IP6T_ESP_INV_SPI 0x01 /* Invert the sense of spi. */ 21#define IP6T_ESP_INV_MASK 0x01 /* All possible flags. */ 22 23#endif /*_IP6T_ESP_H*/ 24