blob: 9945baa4ccd7c75eb51190c4e404d9e529d51483 [file] [log] [blame]
/* 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 */