[PATCH] virtio_net: implements ethtool_ops.get_drvinfo

[Taku Izumi <izumi.taku@jp.fujitsu.com>]

This patch implements ethtool_ops.get_drvinfo interface of virtio_net driver.

Signed-off-by: Taku Izumi <izumi.taku@jp.fujitsu.com>
---
 drivers/net/virtio_net.c |   13 +++++++++++++
 1 file changed, 13 insertions(+)

Index: net-next.35/drivers/net/virtio_net.c
===================================================================
--- net-next.35.orig/drivers/net/virtio_net.c
+++ net-next.35/drivers/net/virtio_net.c
@@ -701,6 +701,18 @@ static int virtnet_close(struct net_devi
 	return 0;
 }

+static void virtnet_get_drvinfo(struct net_device *dev,
+				struct ethtool_drvinfo *drvinfo)
+{
+	struct virtnet_info *vi = netdev_priv(dev);
+	struct virtio_device *vdev = vi->vdev;
+
+	strncpy(drvinfo->driver, KBUILD_MODNAME, 32);
+	strncpy(drvinfo->version, "N/A", 32);
+	strncpy(drvinfo->fw_version, "N/A", 32);
+	strncpy(drvinfo->bus_info, dev_name(&vdev->dev), 32);
+}
+
 static int virtnet_set_tx_csum(struct net_device *dev, u32 data)
 {
 	struct virtnet_info *vi = netdev_priv(dev);
@@ -813,6 +825,7 @@ static void virtnet_vlan_rx_kill_vid(str
 }

 static const struct ethtool_ops virtnet_ethtool_ops = {
+	.get_drvinfo = virtnet_get_drvinfo,
 	.set_tx_csum = virtnet_set_tx_csum,
 	.set_sg = ethtool_op_set_sg,
 	.set_tso = ethtool_op_set_tso,