path: root/include
diff options
authorRick Jones <rick.jones2@hp.com>2011-10-19 08:10:59 +0000
committerDavid S. Miller <davem@davemloft.net>2011-10-24 02:07:21 -0400
commit8f9f4668b37bcc877156dd525a856055735c8d24 (patch)
treea9d0a7cc6729884564f5d2bfb8edbdcc678b3f1c /include
parenttcp: md5: dont write skb head in tcp_md5_hash_header() (diff)
Add ethtool -g support to virtio_net
Add support for reporting ring sizes via ethtool -g to the virtio_net driver. Signed-off-by: Rick Jones <rick.jones2@hp.com> Acked-by: Rusty Russell <rusty@rustcorp.com.au> Acked-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to '')
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/virtio.h b/include/linux/virtio.h
index 710885749605..851ebf1a4476 100644
--- a/include/linux/virtio.h
+++ b/include/linux/virtio.h
@@ -61,6 +61,9 @@ struct virtqueue {
* virtqueue_detach_unused_buf: detach first unused buffer
* vq: the struct virtqueue we're talking about.
* Returns NULL or the "data" token handed to add_buf
+ * virtqueue_get_vring_size: return the size of the virtqueue's vring
+ * vq: the struct virtqueue containing the vring of interest.
+ * Returns the size of the vring.
* Locking rules are straightforward: the driver is responsible for
* locking. No two operations may be invoked simultaneously, with the exception
@@ -97,6 +100,8 @@ bool virtqueue_enable_cb_delayed(struct virtqueue *vq);
void *virtqueue_detach_unused_buf(struct virtqueue *vq);
+unsigned int virtqueue_get_vring_size(struct virtqueue *vq);
* virtio_device - representation of a device using virtio
* @index: unique position on the virtio bus