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authorwollman <wollman@FreeBSD.org>1995-12-08 16:46:06 +0000
committerwollman <wollman@FreeBSD.org>1995-12-08 16:46:06 +0000
commited86a6f0a2a787d2c7097489a375138bc7794424 (patch)
tree2557a1dcb1c32c5c56c16a52f98d60c2f8a93ed8 /sys
parent1900eea896e2aaeae8a9fa8affa5fded2068c9b4 (diff)
downloadFreeBSD-src-ed86a6f0a2a787d2c7097489a375138bc7794424.zip
FreeBSD-src-ed86a6f0a2a787d2c7097489a375138bc7794424.tar.gz
Added a conditionalized printf for debugging MTU discovery.
Diffstat (limited to 'sys')
-rw-r--r--sys/netinet/ip_icmp.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/sys/netinet/ip_icmp.c b/sys/netinet/ip_icmp.c
index f66acc1..c23de5b 100644
--- a/sys/netinet/ip_icmp.c
+++ b/sys/netinet/ip_icmp.c
@@ -31,7 +31,7 @@
* SUCH DAMAGE.
*
* @(#)ip_icmp.c 8.2 (Berkeley) 1/4/94
- * $Id: ip_icmp.c,v 1.13 1995/12/05 17:45:59 wollman Exp $
+ * $Id: ip_icmp.c,v 1.14 1995/12/06 23:37:29 bde Exp $
*/
#include <sys/param.h>
@@ -336,7 +336,11 @@ icmp_input(m, hlen)
if (!mtu)
mtu = ip_next_mtu(rt->rt_rmx.rmx_mtu,
1);
- if (!mtu || mtu < 296) {
+#ifdef DEBUG_MTUDISC
+ printf("MTU for %s reduced to %d\n",
+ inet_ntoa(icmpsrc.sin_addr), mtu);
+#endif
+ if (mtu < 296) {
/* rt->rt_rmx.rmx_mtu =
rt->rt_ifp->if_mtu; */
rt->rt_rmx.rmx_locks |= RTV_MTU;
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