[PATCH net-next v3 23/24] ovpn: add basic ethtool support

Antonio Quartulli
2024-05-06T01:16:04Z

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 <antonio@openvpn.net>
---
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 d6ba91c6571f..17ccc9a483fe 100644
--- a/drivers/net/ovpn/main.c
+++ b/drivers/net/ovpn/main.c
@@ -7,6 +7,7 @@
* James Yonan <james@openvpn.net>
*/

+#include <linux/ethtool.h>
#include <linux/genetlink.h>
#include <linux/module.h>
#include <linux/netdevice.h>
@@ -88,6 +89,19 @@ 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 */
@@ -102,6 +116,7 @@ static void ovpn_setup(struct net_device *dev)

dev->needs_free_netdev = true;

+ dev->ethtool_ops = &ovpn_ethtool_ops;
dev->netdev_ops = &ovpn_netdev_ops;

dev->priv_destructor = ovpn_struct_free;
--
2.43.2