1 #ifndef _XT_ESP_H 2 #define _XT_ESP_H 3 4 struct xt_esp 5 { 6 u_int32_t spis[2]; /* Security Parameter Index */ 7 u_int8_t invflags; /* Inverse flags */ 8 }; 9 10 /* Values for "invflags" field in struct xt_esp. */ 11 #define XT_ESP_INV_SPI 0x01 /* Invert the sense of spi. */ 12 #define XT_ESP_INV_MASK 0x01 /* All possible flags. */ 13 14 #endif /*_XT_ESP_H*/ 15