--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+/* TTL modification module for IP tables
+ * (C) 2000 by Harald Welte <laforge@netfilter.org> */
+
+#ifndef _IPT_TTL_H
+#define _IPT_TTL_H
+
+#include <linux/types.h>
+
+enum {
+ IPT_TTL_SET = 0,
+ IPT_TTL_INC,
+ IPT_TTL_DEC
+};
+
+#define IPT_TTL_MAXMODE IPT_TTL_DEC
+
+struct ipt_TTL_info {
+ __u8 mode;
+ __u8 ttl;
+};
+
+
+#endif