+++ /dev/null
---- a/drivers/net/ethernet/lantiq_etop.c
-+++ b/drivers/net/ethernet/lantiq_etop.c
-@@ -31,6 +31,7 @@
- #include <linux/mm.h>
- #include <linux/platform_device.h>
- #include <linux/ethtool.h>
-+#include <linux/if_vlan.h>
- #include <linux/init.h>
- #include <linux/delay.h>
- #include <linux/io.h>
-@@ -764,8 +765,10 @@ ltq_etop_change_mtu(struct net_device *d
- struct ltq_etop_priv *priv = netdev_priv(dev);
- unsigned long flags;
-
-+ int max = ETH_HLEN + VLAN_HLEN + new_mtu + ETH_FCS_LEN;
-+
- spin_lock_irqsave(&priv->lock, flags);
-- ltq_etop_w32((ETOP_PLEN_UNDER << 16) | new_mtu,
-+ ltq_etop_w32((ETOP_PLEN_UNDER << 16) | max,
- LTQ_ETOP_IGPLEN);
- spin_unlock_irqrestore(&priv->lock, flags);
- }