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01: /* iptables module for matching the ECN header in IPv4 and TCP header
02:  *
03:  * (C) 2002 Harald Welte <laforge@gnumonks.org>
04:  *
05:  * This software is distributed under GNU GPL v2, 1991
06:  * 
07:  * ipt_ecn.h,v 1.4 2002/08/05 19:39:00 laforge Exp
08: */
09: #ifndef _IPT_ECN_H
10: #define _IPT_ECN_H
11: 
12: #include <linux/types.h>
13: #include <linux/netfilter/xt_dscp.h>
14: 
15: #define IPT_ECN_IP_MASK (~XT_DSCP_MASK)
16: 
17: #define IPT_ECN_OP_MATCH_IP     0x01
18: #define IPT_ECN_OP_MATCH_ECE    0x10
19: #define IPT_ECN_OP_MATCH_CWR    0x20
20: 
21: #define IPT_ECN_OP_MATCH_MASK   0xce
22: 
23: /* match info */
24: struct ipt_ecn_info {
25:         __u8 operation;
26:         __u8 invert;
27:         __u8 ip_ect;
28:         union {
29:                 struct {
30:                         __u8 ect;
31:                 } tcp;
32:         } proto;
33: };
34: 
35: #endif /* _IPT_ECN_H */
36: 

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