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| author | Rick Jones <rick.jones2@hp.com> | 2011-10-19 08:10:59 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-10-24 02:07:21 -0400 |
| commit | 8f9f4668b37bcc877156dd525a856055735c8d24 (patch) | |
| tree | a9d0a7cc6729884564f5d2bfb8edbdcc678b3f1c /drivers/virtio | |
| parent | ca35a0ef85e8ed6df6d5ab01fb6c3530cca0c469 (diff) | |
| download | lwn-8f9f4668b37bcc877156dd525a856055735c8d24.tar.gz lwn-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 'drivers/virtio')
| -rw-r--r-- | drivers/virtio/virtio_ring.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c index 68b9136847af..4acf88884f9b 100644 --- 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"); |