Ensure ICMP_NET_ANO is defined.

[tinc] / lib / ipv4.h

diff --git a/lib/ipv4.h b/lib/ipv4.h
index dcac0bf..940c239 100644 (file)
--- 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
@@ -13,11 +13,9 @@
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     GNU General Public License for more details.
 
-    You should have received a copy of the GNU General Public License
-    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 $
+    You should have received a copy of the GNU General Public License along
+    with this program; if not, write to the Free Software Foundation, Inc.,
+    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
 #ifndef __TINC_IPV4_H__
@@ -47,6 +45,10 @@
 #define ICMP_NET_UNREACH 0
 #endif
 
+#ifndef ICMP_NET_ANO
+#define ICMP_NET_ANO 9
+#endif
+
 #ifndef IP_MSS
 #define       IP_MSS          576
 #endif
@@ -67,7 +69,6 @@ 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 +76,10 @@ struct ip {
 } __attribute__ ((__packed__));
 #endif
 
+#ifndef IP_OFFMASK
+#define IP_OFFMASK 0x1fff
+#endif
+
 #ifndef HAVE_STRUCT_ICMP
 struct icmp {
        uint8_t icmp_type;