Add ethtool -g support to virtio_net

[karo-tx-linux.git] / drivers / virtio / virtio_ring.c

diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c
index 68b9136847afb65687a426a0c16e6cca6760caf8..4acf88884f9b2ee6517c70b619be7524ab026b06 100644 (file)
--- a/drivers/virtio/virtio_ring.c
+++ b/drivers/virtio/virtio_ring.c
@@ -529,4 +529,14 @@ void vring_transport_features(struct virtio_device *vdev)
 }
 EXPORT_SYMBOL_GPL(vring_transport_features);
 
+/* return the size of the vring within the virtqueue */
+unsigned int virtqueue_get_vring_size(struct virtqueue *_vq)
+{
+
+       struct vring_virtqueue *vq = to_vvq(_vq);
+
+       return vq->vring.num;
+}
+EXPORT_SYMBOL_GPL(virtqueue_get_vring_size);
+
 MODULE_LICENSE("GPL");