1. 根目录:
2. include
3. linux
4. netfilter
5. xt_dscp.h

/* x_tables module for matching the IPv4/IPv6 DSCP field
 *
 * (C) 2002 Harald Welte <laforge@gnumonks.org>
 * This software is distributed under GNU GPL v2, 1991
 *
 * See RFC2474 for a description of the DSCP field within the IP Header.
 *
 * xt_dscp.h,v 1.3 2002/08/05 19:00:21 laforge Exp
*/
#ifndef _XT_DSCP_H
#define _XT_DSCP_H

#include <linux/types.h>

#define XT_DSCP_MASK	0xfc	/* 11111100 */
#define XT_DSCP_SHIFT	2
#define XT_DSCP_MAX	0x3f	/* 00111111 */

/* match info */
struct xt_dscp_info {
	__u8 dscp;
	__u8 invert;
};

struct xt_tos_match_info {
	__u8 tos_mask;
	__u8 tos_value;
	__u8 invert;
};

#endif /* _XT_DSCP_H */