macvlan: add support for ethtool get settings

If macvlan's are used, it is useful to propgate speed and other settings
from underlying device up for application usage.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Acked-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 24 insertions, 0 deletions

diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c
index 42394505bb50..1d2de0b77a2c 100644
--- a/drivers/net/macvlan.c
+++ b/drivers/net/macvlan.c
@@ -333,10 +333,34 @@ static u32 macvlan_ethtool_get_rx_csum(struct net_device *dev)
         return lowerdev->ethtool_ops->get_rx_csum(lowerdev);
 }
 
+static int macvlan_ethtool_get_settings(struct net_device *dev,
+                                        struct ethtool_cmd *cmd)
+{
+        const struct macvlan_dev *vlan = netdev_priv(dev);
+        struct net_device *lowerdev = vlan->lowerdev;
+
+        if (!lowerdev->ethtool_ops->get_settings)
+                return -EOPNOTSUPP;
+
+        return lowerdev->ethtool_ops->get_settings(lowerdev, cmd);
+}
+
+static u32 macvlan_ethtool_get_flags(struct net_device *dev)
+{
+        const struct macvlan_dev *vlan = netdev_priv(dev);
+        struct net_device *lowerdev = vlan->lowerdev;
+
+        if (!lowerdev->ethtool_ops->get_flags)
+                return 0;
+        return lowerdev->ethtool_ops->get_flags(lowerdev);
+}
+
 static const struct ethtool_ops macvlan_ethtool_ops = {
         .get_link               = ethtool_op_get_link,
+        .get_settings           = macvlan_ethtool_get_settings,
         .get_rx_csum            = macvlan_ethtool_get_rx_csum,
         .get_drvinfo            = macvlan_ethtool_get_drvinfo,
+        .get_flags              = macvlan_ethtool_get_flags,
 };
 
 static void macvlan_setup(struct net_device *dev)