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[FreeBSD/releng/10.2.git] / contrib / ipfilter / lib / flags.c
1 /*      $FreeBSD$       */
2
3 /*
4  * Copyright (C) 2012 by Darren Reed.
5  *
6  * See the IPFILTER.LICENCE file for details on licencing.
7  *
8  * $Id$
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
23 char    flagset[] = "FSRPAUEC";
24 u_char  flags[] = { TH_FIN, TH_SYN, TH_RST, TH_PUSH, TH_ACK, TH_URG,
25                     TH_ECN, TH_CWR };