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Add ethtool -g support to virtio_net

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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>
This commit is contained in:
Rick Jones
2011-10-19 08:10:59 +00:00
committed by David S. Miller
parent ca35a0ef85
commit 8f9f4668b3
3 changed files with 28 additions and 0 deletions
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5
include/linux/virtio.h
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@@ -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