[PATCH 19/20] virtio_net: extending (hw_/wanted_/vlan_)features fields to a bitmap.

[Mahesh Bandewar <maheshb@google.com>]

Converting current use of (hw_/wanted_/vlan_)features to
legacy_(hw_/wanted_/vlan_)features to differntiate from the proposed usage.

Signed-off-by: Mahesh Bandewar <maheshb@google.com>
---
 drivers/net/virtio_net.c |   21 +++++++++++----------
 1 files changed, 11 insertions(+), 10 deletions(-)

diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 0cb0b06..36eed90 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -892,33 +892,34 @@ static int virtnet_probe(struct virtio_device *vdev)
 
 	/* Set up network device as normal. */
 	dev->netdev_ops = &virtnet_netdev;
-	dev->features = NETIF_F_HIGHDMA;
+	dev->legacy_features = NETIF_F_HIGHDMA;
 	SET_ETHTOOL_OPS(dev, &virtnet_ethtool_ops);
 	SET_NETDEV_DEV(dev, &vdev->dev);
 
 	/* Do we support "hardware" checksums? */
 	if (virtio_has_feature(vdev, VIRTIO_NET_F_CSUM)) {
 		/* This opens up the world of extra features. */
-		dev->hw_features |= NETIF_F_HW_CSUM|NETIF_F_SG|NETIF_F_FRAGLIST;
+		dev->legacy_hw_features |= NETIF_F_HW_CSUM|NETIF_F_SG|NETIF_F_FRAGLIST;
 		if (csum)
-			dev->features |= NETIF_F_HW_CSUM|NETIF_F_SG|NETIF_F_FRAGLIST;
+			dev->legacy_features |= NETIF_F_HW_CSUM|NETIF_F_SG|NETIF_F_FRAGLIST;
 
 		if (virtio_has_feature(vdev, VIRTIO_NET_F_GSO)) {
-			dev->hw_features |= NETIF_F_TSO | NETIF_F_UFO
+			dev->legacy_hw_features |= NETIF_F_TSO | NETIF_F_UFO
 				| NETIF_F_TSO_ECN | NETIF_F_TSO6;
 		}
 		/* Individual feature bits: what can host handle? */
 		if (virtio_has_feature(vdev, VIRTIO_NET_F_HOST_TSO4))
-			dev->hw_features |= NETIF_F_TSO;
+			dev->legacy_hw_features |= NETIF_F_TSO;
 		if (virtio_has_feature(vdev, VIRTIO_NET_F_HOST_TSO6))
-			dev->hw_features |= NETIF_F_TSO6;
+			dev->legacy_hw_features |= NETIF_F_TSO6;
 		if (virtio_has_feature(vdev, VIRTIO_NET_F_HOST_ECN))
-			dev->hw_features |= NETIF_F_TSO_ECN;
+			dev->legacy_hw_features |= NETIF_F_TSO_ECN;
 		if (virtio_has_feature(vdev, VIRTIO_NET_F_HOST_UFO))
-			dev->hw_features |= NETIF_F_UFO;
+			dev->legacy_hw_features |= NETIF_F_UFO;
 
 		if (gso)
-			dev->features |= dev->hw_features & (NETIF_F_ALL_TSO|NETIF_F_UFO);
+			dev->legacy_features |=
+				dev->legacy_hw_features & (NETIF_F_ALL_TSO|NETIF_F_UFO);
 		/* (!csum && gso) case will be fixed by register_netdev() */
 	}
 
@@ -965,7 +966,7 @@ static int virtnet_probe(struct virtio_device *vdev)
 		vi->cvq = vqs[2];
 
 		if (virtio_has_feature(vi->vdev, VIRTIO_NET_F_CTRL_VLAN))
-			dev->features |= NETIF_F_HW_VLAN_FILTER;
+			dev->legacy_features |= NETIF_F_HW_VLAN_FILTER;
 	}
 
 	err = register_netdev(dev);
-- 
1.7.3.1