datapath: Set datapath device MTU to minimum of MTU of ports.

[sliver-openvswitch.git] / datapath / dp_notify.c

diff --git a/datapath/dp_notify.c b/datapath/dp_notify.c
index d5a2749..0278988 100644 (file)
--- a/datapath/dp_notify.c
+++ b/datapath/dp_notify.c
@@ -45,6 +45,14 @@ static int dp_device_event(struct notifier_block *unused, unsigned long event,
                        mutex_unlock(&dp->mutex);
                }
                break;
+
+       case NETDEV_CHANGEMTU:
+               if (!is_dp_dev(dev)) {
+                       mutex_lock(&dp->mutex);
+                       set_dp_devs_mtu(dp, dev);
+                       mutex_unlock(&dp->mutex);
+               }
+               break;
        }
        return NOTIFY_DONE;
 }