Merge branch 'stacked-vlan-TSO'

Toshiaki Makita says:

====================
Stacked vlan TSO for virtual devices

Basically virtual devices do not need to segment double tagged packets.
This patch set adds TSO feature for double tagged packets to several
virtual devices, which can be realized by simply setting
.ndo_features_check to passthru_features_check.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/macvlan.c

@@ -1047,6 +1047,7 @@ static const struct net_device_ops macvlan_netdev_ops = {
 	.ndo_netpoll_cleanup	= macvlan_dev_netpoll_cleanup,
 #endif
 	.ndo_get_iflink		= macvlan_dev_get_iflink,
+	.ndo_features_check	= passthru_features_check,
 };
 
 void macvlan_common_setup(struct net_device *dev)

drivers/net/tun.c

@@ -961,6 +961,7 @@ static const struct net_device_ops tap_netdev_ops = {
 #ifdef CONFIG_NET_POLL_CONTROLLER
 	.ndo_poll_controller	= tun_poll_controller,
 #endif
+	.ndo_features_check	= passthru_features_check,
 };
 
 static void tun_flow_init(struct tun_struct *tun)

drivers/net/veth.c

@@ -290,6 +290,7 @@ static const struct net_device_ops veth_netdev_ops = {
 	.ndo_poll_controller	= veth_poll_controller,
 #endif
 	.ndo_get_iflink		= veth_get_iflink,
+	.ndo_features_check	= passthru_features_check,
 };
 
 #define VETH_FEATURES (NETIF_F_SG | NETIF_F_FRAGLIST | NETIF_F_ALL_TSO |    \

net/bridge/br_device.c

@@ -339,6 +339,7 @@ static const struct net_device_ops br_netdev_ops = {
 	.ndo_bridge_getlink	 = br_getlink,
 	.ndo_bridge_setlink	 = br_setlink,
 	.ndo_bridge_dellink	 = br_dellink,
+	.ndo_features_check	 = passthru_features_check,
 };
 
 static void br_dev_free(struct net_device *dev)