From e300066d5f66b8bd1d5561d63c10a8fbdce3ba8e Mon Sep 17 00:00:00 2001
From: Ondrej Filip <feela@network.cz>
Date: Mon, 14 Mar 2005 11:24:56 +0000
Subject: OSPF can accept larger packets than MTU.

---
 proto/ospf/ospf.h | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

(limited to 'proto/ospf/ospf.h')

diff --git a/proto/ospf/ospf.h b/proto/ospf/ospf.h
index 79d1f4f..e52a6ef 100644
--- a/proto/ospf/ospf.h
+++ b/proto/ospf/ospf.h
@@ -1,7 +1,7 @@
 /*
  *	BIRD -- OSPF
  *
- *	(c) 1999--2004 Ondrej Filip <feela@network.cz>
+ *	(c) 1999--2005 Ondrej Filip <feela@network.cz>
  *
  *	Can be freely distributed and used under the terms of the GNU GPL.
  */
@@ -10,6 +10,19 @@
 #define _BIRD_OSPF_H_
 
 #define MAXNETS 10
+#undef OSPF_BIG_PACKETS	/*
+                         * RFC 2328 says, maximum packet size is 65535
+			 * This could be too much for small systems, so I
+			 * normally allocate 2*mtu - (I found one cisco
+			 * sending packets mtu+16)
+			 */
+
+#ifdef OSPF_BIG_PACKETS
+#define OSPF_MAX_PKT_SIZE 65536
+#else
+#define OSPF_MAX_PKT_SIZE (ifa->iface->mtu * 2)
+#endif
+
 #ifdef LOCAL_DEBUG
 #define OSPF_FORCE_DEBUG 1
 #else
-- 
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