[PATCH net-next v11 22/23] ovpn: add basic ethtool support

[Antonio Quartulli]

Implement support for basic ethtool functionality.

Note that ovpn is a virtual device driver, therefore
various ethtool APIs are just not meaningful and thus
not implemented.

Signed-off-by: Antonio Quartulli <anto...@openvpn.net>
Reviewed-by: Andrew Lunn <and...@lunn.ch>
---
 drivers/net/ovpn/main.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/drivers/net/ovpn/main.c b/drivers/net/ovpn/main.c
index 
1bd563e3f16f49dd01c897fbe79cbd90f4b8e9aa..9dcf51ae1497dda17d418b762011b04bfd0521df
 100644
--- a/drivers/net/ovpn/main.c
+++ b/drivers/net/ovpn/main.c
@@ -7,6 +7,7 @@
  *             James Yonan <ja...@openvpn.net>
  */
 
+#include <linux/ethtool.h>
 #include <linux/genetlink.h>
 #include <linux/module.h>
 #include <linux/netdevice.h>
@@ -96,6 +97,19 @@ bool ovpn_dev_is_valid(const struct net_device *dev)
        return dev->netdev_ops->ndo_start_xmit == ovpn_net_xmit;
 }
 
+static void ovpn_get_drvinfo(struct net_device *dev,
+                            struct ethtool_drvinfo *info)
+{
+       strscpy(info->driver, OVPN_FAMILY_NAME, sizeof(info->driver));
+       strscpy(info->bus_info, "ovpn", sizeof(info->bus_info));
+}
+
+static const struct ethtool_ops ovpn_ethtool_ops = {
+       .get_drvinfo            = ovpn_get_drvinfo,
+       .get_link               = ethtool_op_get_link,
+       .get_ts_info            = ethtool_op_get_ts_info,
+};
+
 static void ovpn_setup(struct net_device *dev)
 {
        /* compute the overhead considering AEAD encryption */
@@ -111,6 +125,7 @@ static void ovpn_setup(struct net_device *dev)
 
        dev->pcpu_stat_type = NETDEV_PCPU_STAT_TSTATS;
 
+       dev->ethtool_ops = &ovpn_ethtool_ops;
        dev->netdev_ops = &ovpn_netdev_ops;
 
        dev->priv_destructor = ovpn_struct_free;

-- 
2.45.2