X-Git-Url: https://www.tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=lib%2Fipv4.h;h=dd4a8b96713feaa630f96367da2baeb503fc6620;hp=dcac0bf8be61180be87a3a6591a3e2afc657a926;hb=a5f899a9794f215e8174455ead04862a2c14a5b1;hpb=42e01abd54bd36ee84a45a2b646cfa27034de8d1

diff --git a/lib/ipv4.h b/lib/ipv4.h
index dcac0bf8..dd4a8b96 100644
--- a/lib/ipv4.h
+++ b/lib/ipv4.h
@@ -1,7 +1,7 @@
 /*
     ipv4.h -- missing IPv4 related definitions
-    Copyright (C) 2003 Ivo Timmermans <ivo@o2w.nl>
-                  2003 Guus Sliepen <guus@sliepen.eu.org>
+    Copyright (C) 2005 Ivo Timmermans
+                  2006 Guus Sliepen <guus@tinc-vpn.org>
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -17,7 +17,7 @@
     along with this program; if not, write to the Free Software
     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 
-    $Id: ipv4.h,v 1.1.2.5 2003/12/22 11:05:23 guus Exp $
+    $Id$
 */
 
 #ifndef __TINC_IPV4_H__
@@ -67,7 +67,6 @@ struct ip {
 #define IP_RF 0x8000
 #define IP_DF 0x4000
 #define IP_MF 0x2000
-#define IP_OFFMASK 0x1fff
 	uint8_t ip_ttl;
 	uint8_t ip_p;
 	uint16_t ip_sum;
@@ -75,6 +74,10 @@ struct ip {
 } __attribute__ ((__packed__));
 #endif
 
+#ifndef IP_OFFMASK
+#define IP_OFFMASK 0x1fff
+#endif
+
 #ifndef HAVE_STRUCT_ICMP
 struct icmp {
 	uint8_t icmp_type;