From 0a9e977f62696470a24ec8aca12b1a4b434fa2a6 Mon Sep 17 00:00:00 2001
From: Corinna Vinschen <corinna@vinschen.de>
Date: Thu, 4 Jan 2007 10:48:57 +0000
Subject: [PATCH] 	(get_ifconf): Set MTU for loopback to more correct
 value.

---
 winsup/cygwin/ChangeLog | 4 ++++
 winsup/cygwin/net.cc    | 4 ++--
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog
index 7acd568fc..80d012b10 100644
--- a/winsup/cygwin/ChangeLog
+++ b/winsup/cygwin/ChangeLog
@@ -1,3 +1,7 @@
+2007-01-04  Corinna Vinschen  <corinna@vinschen.de>
+
+	(get_ifconf): Set MTU for loopback to more correct value.
+
 2007-01-04  Corinna Vinschen  <corinna@vinschen.de>
 
 	* fhandler_socket.cc (fhandler_socket::ioctl): Don't fake results
diff --git a/winsup/cygwin/net.cc b/winsup/cygwin/net.cc
index 83c634b90..f70618d22 100644
--- a/winsup/cygwin/net.cc
+++ b/winsup/cygwin/net.cc
@@ -1744,8 +1744,8 @@ get_ifconf (struct ifconf *ifc, int what)
 	    ifr->ifr_metric = 1;
 	    break;
 	  case SIOCGIFMTU:
-	    /* Default value for loopback on Linux 2.6 kernel. */
-	    ifr->ifr_mtu = 16436;
+	    /* Default value for MS TCP Loopback interface. */
+	    ifr->ifr_mtu = 1520;
 	    break;
 	  default:
 	    set_errno (EINVAL);