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Message-ID: <20240827120805.13681-25-antonio@openvpn.net>
Date: Tue, 27 Aug 2024 14:08:04 +0200
From: Antonio Quartulli <antonio@...nvpn.net>
To: netdev@...r.kernel.org
Cc: kuba@...nel.org,
	pabeni@...hat.com,
	ryazanov.s.a@...il.com,
	edumazet@...gle.com,
	andrew@...n.ch,
	sd@...asysnail.net,
	Antonio Quartulli <antonio@...nvpn.net>
Subject: [PATCH net-next v6 24/25] ovpn: add basic ethtool support

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@...nvpn.net>
Reviewed-by: Andrew Lunn <andrew@...n.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 0f9d79a05f4f..b29d16894e8d 100644
--- a/drivers/net/ovpn/main.c
+++ b/drivers/net/ovpn/main.c
@@ -7,6 +7,7 @@
  *		James Yonan <james@...nvpn.net>
  */
 
+#include <linux/ethtool.h>
 #include <linux/genetlink.h>
 #include <linux/module.h>
 #include <linux/netdevice.h>
@@ -141,6 +142,19 @@ 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,
+};
+
 /* we register with rtnl to let core know that ovpn is a virtual driver and
  * therefore ifaces should be destroyed when exiting a netns
  */
@@ -163,6 +177,7 @@ 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->rtnl_link_ops = &ovpn_link_ops;
 
-- 
2.44.2


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