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View File Name : xt_u32.h

/* 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 */