[mirror_ubuntu-bionic-kernel.git] / include / linux / netfilter_ipv4 / ipt_ecn.h

/* 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/xt_dscp.h>

#define IPT_ECN_IP_MASK	(~XT_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 */
Commit	Line	Data
1da177e4 LT	1	/* iptables module for matching the ECN header in IPv4 and TCP header
	2	*
	3	* (C) 2002 Harald Welte <laforge@gnumonks.org>
	4	*
	5	* This software is distributed under GNU GPL v2, 1991
	6	*
	7	* ipt_ecn.h,v 1.4 2002/08/05 19:39:00 laforge Exp
	8	*/
	9	#ifndef _IPT_ECN_H
	10	#define _IPT_ECN_H
93bb1e9d	11	#include <linux/netfilter/xt_dscp.h>
1da177e4	12
93bb1e9d	13	#define IPT_ECN_IP_MASK (~XT_DSCP_MASK)
1da177e4 LT	14
	15	#define IPT_ECN_OP_MATCH_IP 0x01
	16	#define IPT_ECN_OP_MATCH_ECE 0x10
	17	#define IPT_ECN_OP_MATCH_CWR 0x20
	18
	19	#define IPT_ECN_OP_MATCH_MASK 0xce
	20
	21	/* match info */
	22	struct ipt_ecn_info {
	23	u_int8_t operation;
	24	u_int8_t invert;
	25	u_int8_t ip_ect;
	26	union {
	27	struct {
	28	u_int8_t ect;
	29	} tcp;
	30	} proto;
	31	};
	32
	33	#endif /* _IPT_ECN_H */