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author | Rick Jones <rick.jones2@hp.com> | 2011-10-19 08:10:59 +0000 |
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committer | David S. Miller <davem@davemloft.net> | 2011-10-24 02:07:21 -0400 |
commit | 8f9f4668b37bcc877156dd525a856055735c8d24 (patch) | |
tree | a9d0a7cc6729884564f5d2bfb8edbdcc678b3f1c /include/linux/virtio.h | |
parent | ca35a0ef85e8ed6df6d5ab01fb6c3530cca0c469 (diff) | |
download | linux-stable-8f9f4668b37bcc877156dd525a856055735c8d24.tar.gz linux-stable-8f9f4668b37bcc877156dd525a856055735c8d24.tar.bz2 linux-stable-8f9f4668b37bcc877156dd525a856055735c8d24.zip |
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 'include/linux/virtio.h')
-rw-r--r-- | include/linux/virtio.h | 5 |
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 |