#ifndef _IPT_AH_H #define _IPT_AH_H struct ipt_ah { u_int32_t spis[2]; /* Security Parameter Index */ u_int8_t invflags; /* Inverse flags */ }; /* Values for "invflags" field in struct ipt_ah. */ #define IPT_AH_INV_SPI 0x01 /* Invert the sense of spi. */ #define IPT_AH_INV_MASK 0x01 /* All possible flags. */ #endif /*_IPT_AH_H*/