[mirror_ubuntu-bionic-kernel.git] / include / uapi / linux / netfilter / xt_ecn.h

/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/* 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 _XT_ECN_H
#define _XT_ECN_H

#include <linux/types.h>
#include <linux/netfilter/xt_dscp.h>

#define XT_ECN_IP_MASK	(~XT_DSCP_MASK)

#define XT_ECN_OP_MATCH_IP	0x01
#define XT_ECN_OP_MATCH_ECE	0x10
#define XT_ECN_OP_MATCH_CWR	0x20

#define XT_ECN_OP_MATCH_MASK	0xce

/* match info */
struct xt_ecn_info {
	__u8 operation;
	__u8 invert;
	__u8 ip_ect;
	union {
		struct {
			__u8 ect;
		} tcp;
	} proto;
};

#endif /* _XT_ECN_H */
Commit	Line	Data
e2be04c7	1	/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
d446a820 JE	2	/* iptables module for matching the ECN header in IPv4 and TCP header
	3	*
	4	* (C) 2002 Harald Welte <laforge@gnumonks.org>
	5	*
	6	* This software is distributed under GNU GPL v2, 1991
	7	*
	8	* ipt_ecn.h,v 1.4 2002/08/05 19:39:00 laforge Exp
	9	*/
	10	#ifndef _XT_ECN_H
	11	#define _XT_ECN_H
	12
	13	#include <linux/types.h>
	14	#include <linux/netfilter/xt_dscp.h>
	15
a4c6f9d3	16	#define XT_ECN_IP_MASK (~XT_DSCP_MASK)
d446a820	17
a4c6f9d3 JE	18	#define XT_ECN_OP_MATCH_IP 0x01
	19	#define XT_ECN_OP_MATCH_ECE 0x10
	20	#define XT_ECN_OP_MATCH_CWR 0x20
d446a820	21
a4c6f9d3	22	#define XT_ECN_OP_MATCH_MASK 0xce
d446a820 JE	23
d446a820 JE	24	/* match info */
a4c6f9d3	25	struct xt_ecn_info {
d446a820 JE	26	__u8 operation;
	27	__u8 invert;
	28	__u8 ip_ect;
	29	union {
	30	struct {
	31	__u8 ect;
	32	} tcp;
	33	} proto;
	34	};
	35
	36	#endif /* _XT_ECN_H */