usr/src/cmd/ipf/lib/common/flags.c

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