2 files changed, 20 insertions, 2 deletions

diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index e44116452b7b..ad43421ab6f1 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -385,6 +385,15 @@ static int virtnet_probe(struct virtio_device *vdev)
                         dev->features |= NETIF_F_TSO | NETIF_F_UFO
                                 | NETIF_F_TSO_ECN | NETIF_F_TSO6;
                 }
+                /* Individual feature bits: what can host handle? */
+                if (gso && vdev->config->feature(vdev, VIRTIO_NET_F_HOST_TSO4))
+                        dev->features |= NETIF_F_TSO;
+                if (gso && vdev->config->feature(vdev, VIRTIO_NET_F_HOST_TSO6))
+                        dev->features |= NETIF_F_TSO6;
+                if (gso && vdev->config->feature(vdev, VIRTIO_NET_F_HOST_ECN))
+                        dev->features |= NETIF_F_TSO_ECN;
+                if (gso && vdev->config->feature(vdev, VIRTIO_NET_F_HOST_UFO))
+                        dev->features |= NETIF_F_UFO;
         }
 
         /* Configuration may specify what MAC to use.  Otherwise random. */
diff --git a/include/linux/virtio_net.h b/include/linux/virtio_net.h
index 1ea3351df609..9405aa6cdf26 100644
--- a/include/linux/virtio_net.h
+++ b/include/linux/virtio_net.h
@@ -6,9 +6,18 @@
 #define VIRTIO_ID_NET   1
 
 /* The feature bitmap for virtio net */
-#define VIRTIO_NET_F_CSUM       0       /* Can handle pkts w/ partial csum */
+#define VIRTIO_NET_F_CSUM       0       /* Host handles pkts w/ partial csum */
+#define VIRTIO_NET_F_GUEST_CSUM 1       /* Guest handles pkts w/ partial csum */
 #define VIRTIO_NET_F_MAC        5       /* Host has given MAC address. */
-#define VIRTIO_NET_F_GSO        6       /* Can handle pkts w/ any GSO type */
+#define VIRTIO_NET_F_GSO        6       /* Host handles pkts w/ any GSO type */
+#define VIRTIO_NET_F_GUEST_TSO4 7       /* Guest can handle TSOv4 in. */
+#define VIRTIO_NET_F_GUEST_TSO6 8       /* Guest can handle TSOv6 in. */
+#define VIRTIO_NET_F_GUEST_ECN  9       /* Guest can handle TSO[6] w/ ECN in. */
+#define VIRTIO_NET_F_GUEST_UFO  10      /* Guest can handle UFO in. */
+#define VIRTIO_NET_F_HOST_TSO4  11      /* Host can handle TSOv4 in. */
+#define VIRTIO_NET_F_HOST_TSO6  12      /* Host can handle TSOv6 in. */
+#define VIRTIO_NET_F_HOST_ECN   13      /* Host can handle TSO[6] w/ ECN in. */
+#define VIRTIO_NET_F_HOST_UFO   14      /* Host can handle UFO in. */
 
 struct virtio_net_config
 {