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/* iptables module for matching the ECN header in IPv4 and TCP header
 *
 * (C) 2002 Harald Welte <laforge@gnumonks.org>
 *
 * This software is distributed under GNU GPL v2, 1991
 * 
 * ipt_ecn.h,v 1.4 2002/08/05 19:39:00 laforge Exp
*/
#ifndef _IPT_ECN_H
#define _IPT_ECN_H
#include <linux/netfilter_ipv4/ipt_dscp.h>
 
#define IPT_ECN_IP_MASK	(~IPT_DSCP_MASK)
 
#define IPT_ECN_OP_MATCH_IP	0x01
#define IPT_ECN_OP_MATCH_ECE	0x10
#define IPT_ECN_OP_MATCH_CWR	0x20
 
#define IPT_ECN_OP_MATCH_MASK	0xce
 
/* match info */
struct ipt_ecn_info {
	u_int8_t operation;
	u_int8_t invert;
	u_int8_t ip_ect;
	union {
		struct {
			u_int8_t ect;
		} tcp;
	} proto;
};
 
#endif /* _IPT_ECN_H */