diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/virtio_net.c | 13 | ||||
| -rw-r--r-- | drivers/virtio/virtio_ring.c | 10 |
2 files changed, 23 insertions, 0 deletions
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 765ab9ac9d17..91039ab16728 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -877,8 +877,21 @@ static void virtnet_vlan_rx_kill_vid(struct net_device *dev, u16 vid) dev_warn(&dev->dev, "Failed to kill VLAN ID %d.\n", vid); } +static void virtnet_get_ringparam(struct net_device *dev, + struct ethtool_ringparam *ring) +{ + struct virtnet_info *vi = netdev_priv(dev); + + ring->rx_max_pending = virtqueue_get_vring_size(vi->rvq); + ring->tx_max_pending = virtqueue_get_vring_size(vi->svq); + ring->rx_pending = ring->rx_max_pending; + ring->tx_pending = ring->tx_max_pending; + +} + static const struct ethtool_ops virtnet_ethtool_ops = { .get_link = ethtool_op_get_link, + .get_ringparam = virtnet_get_ringparam, }; #define MIN_MTU 68 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"); |