--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#ifndef _IP6T_OPTS_H
+#define _IP6T_OPTS_H
+
+#include <linux/types.h>
+
+#define IP6T_OPTS_OPTSNR 16
+
+struct ip6t_opts {
+ __u32 hdrlen; /* Header Length */
+ __u8 flags; /* */
+ __u8 invflags; /* Inverse flags */
+ __u16 opts[IP6T_OPTS_OPTSNR]; /* opts */
+ __u8 optsnr; /* Nr of OPts */
+};
+
+#define IP6T_OPTS_LEN 0x01
+#define IP6T_OPTS_OPTS 0x02
+#define IP6T_OPTS_NSTRICT 0x04
+
+/* Values for "invflags" field in struct ip6t_rt. */
+#define IP6T_OPTS_INV_LEN 0x01 /* Invert the sense of length. */
+#define IP6T_OPTS_INV_MASK 0x01 /* All possible flags. */
+
+#endif /*_IP6T_OPTS_H*/