xref: /netbsd-src/external/bsd/ipf/dist/lib/flags.c (revision 13885a665959c62f13a82b3caedf986eaa17aa31)
1*13885a66Sdarrenr /*	$NetBSD: flags.c,v 1.2 2012/07/22 14:27:36 darrenr Exp $	*/
2bc4097aaSchristos 
3bc4097aaSchristos /*
4c9d5dc6cSdarrenr  * Copyright (C) 2012 by Darren Reed.
5bc4097aaSchristos  *
6bc4097aaSchristos  * See the IPFILTER.LICENCE file for details on licencing.
7bc4097aaSchristos  *
8*13885a66Sdarrenr  * Id: flags.c,v 1.1.1.2 2012/07/22 13:44:38 darrenr Exp $
9bc4097aaSchristos  */
10bc4097aaSchristos 
11bc4097aaSchristos #include "ipf.h"
12bc4097aaSchristos 
13bc4097aaSchristos /*
14bc4097aaSchristos  * ECN is a new addition to TCP - RFC 2481
15bc4097aaSchristos  */
16bc4097aaSchristos #ifndef TH_ECN
17bc4097aaSchristos # define	TH_ECN  0x40
18bc4097aaSchristos #endif
19bc4097aaSchristos #ifndef TH_CWR
20bc4097aaSchristos # define	TH_CWR  0x80
21bc4097aaSchristos #endif
22bc4097aaSchristos 
23bc4097aaSchristos char	flagset[] = "FSRPAUEC";
24bc4097aaSchristos u_char	flags[] = { TH_FIN, TH_SYN, TH_RST, TH_PUSH, TH_ACK, TH_URG,
25bc4097aaSchristos 		    TH_ECN, TH_CWR };
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