1 files changed, 4 insertions, 1 deletions

diff --git a/drivers/net/xen-netback/interface.c b/drivers/net/xen-netback/interface.c
index 74dc2bf71428..e30ffd29b7e9 100644
--- a/drivers/net/xen-netback/interface.c
+++ b/drivers/net/xen-netback/interface.c
@@ -302,7 +302,7 @@ static int xenvif_close(struct net_device *dev)
 static int xenvif_change_mtu(struct net_device *dev, int mtu)
 {
         struct xenvif *vif = netdev_priv(dev);
-        int max = vif->can_sg ? 65535 - VLAN_ETH_HLEN : ETH_DATA_LEN;
+        int max = vif->can_sg ? ETH_MAX_MTU - VLAN_ETH_HLEN : ETH_DATA_LEN;
 
         if (mtu > max)
                 return -EINVAL;
@@ -471,6 +471,9 @@ struct xenvif *xenvif_alloc(struct device *parent, domid_t domid,
 
         dev->tx_queue_len = XENVIF_QUEUE_LENGTH;
 
+        dev->min_mtu = 0;
+        dev->max_mtu = ETH_MAX_MTU - VLAN_ETH_HLEN;
+
         /*
          * Initialise a dummy MAC address. We choose the numerically
          * largest non-broadcast address to prevent the address getting