1 #ifndef _XT_ESP_H 2 #define _XT_ESP_H 3 4 #include <linux/types.h> 5 6 struct xt_esp { 7 __u32 spis[2]; /* Security Parameter Index */ 8 __u8 invflags; /* Inverse flags */ 9 }; 10 11 /* Values for "invflags" field in struct xt_esp. */ 12 #define XT_ESP_INV_SPI 0x01 /* Invert the sense of spi. */ 13 #define XT_ESP_INV_MASK 0x01 /* All possible flags. */ 14 15 #endif /*_XT_ESP_H*/ 16