Re: [Xen-devel] Trying to adapt Olaf's vif MTU patch for EL5.6's 2.6.18-238.9 kernel - patch in-line.

[Digimer <linux@xxxxxxxxxxx>]

Morning,

  I've been able to test this patch and it works, provided that the
following patch is applied to /etc/xen/scripts/vif-bridge:

====
--- vif-bridge.orig     2011-04-17 01:58:49.000000000 -0400
+++ vif-bridge  2011-04-17 11:20:14.000000000 -0400
@@ -56,6 +56,11 @@
 case "$command" in
     online)
        setup_bridge_port "$vif"
+        mtu="`ip link show $bridge | awk '/mtu/ { print $5 }'`"
+        if [ -n "$mtu" ] && [ "$mtu" -gt 0 ]
+        then
+                ip link set $vif mtu $mtu || :
+        fi
        add_to_bridge "$bridge" "$vif"
         ;;
====

  Please note, this differs slightly from Olaf's patch found here:
http://lists.xensource.com/archives/html/xen-devel/2011-02/msg00351.html

  The only difference is that, in Xen 3.0.3/EL5.6, the variable name is
'$vif', not '$dev'. I'm trying to create a proper patch for the
xen-3.0.3 but am having trouble with source rpm. I'll post back with a
proper patch once I get it working.

  This is related to bz 697021
(https://bugzilla.redhat.com/show_bug.cgi?id=697021).

-- 
Digimer
E-Mail: digimer@xxxxxxxxxxx
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