--- /dev/null
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#ifndef _XT_U32_H
+#define _XT_U32_H 1
+
+#include <linux/types.h>
+
+enum xt_u32_ops {
+ XT_U32_AND,
+ XT_U32_LEFTSH,
+ XT_U32_RIGHTSH,
+ XT_U32_AT,
+};
+
+struct xt_u32_location_element {
+ __u32 number;
+ __u8 nextop;
+};
+
+struct xt_u32_value_element {
+ __u32 min;
+ __u32 max;
+};
+
+/*
+ * Any way to allow for an arbitrary number of elements?
+ * For now, I settle with a limit of 10 each.
+ */
+#define XT_U32_MAXSIZE 10
+
+struct xt_u32_test {
+ struct xt_u32_location_element location[XT_U32_MAXSIZE+1];
+ struct xt_u32_value_element value[XT_U32_MAXSIZE+1];
+ __u8 nnums;
+ __u8 nvalues;
+};
+
+struct xt_u32 {
+ struct xt_u32_test tests[XT_U32_MAXSIZE+1];
+ __u8 ntests;
+ __u8 invert;
+};
+
+#endif /* _XT_U32_H */