/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _IPT_AH_H #define _IPT_AH_H #include <linux/types.h> struct ipt_ah { … }; /* Values for "invflags" field in struct ipt_ah. */ #define IPT_AH_INV_SPI … #define IPT_AH_INV_MASK … #endif /*_IPT_AH_H*/