flags.c revision 145510 
1/*	$NetBSD$	*/
2
3/*
4 * Copyright (C) 1993-2001 by Darren Reed.
5 *
6 * See the IPFILTER.LICENCE file for details on licencing.
7 *
8 * Id: flags.c,v 1.4 2002/11/02 07:16:36 darrenr Exp
9 */
10
11#include "ipf.h"
12
13/*
14 * ECN is a new addition to TCP - RFC 2481
15 */
16#ifndef TH_ECN
17# define	TH_ECN  0x40
18#endif
19#ifndef TH_CWR
20# define	TH_CWR  0x80
21#endif
22
23char	flagset[] = "FSRPAUEC";
24u_char	flags[] = { TH_FIN, TH_SYN, TH_RST, TH_PUSH, TH_ACK, TH_URG,
25		    TH_ECN, TH_CWR };
26