netdev - [PATCH net-next v2 22/22] ovpn: add basic ethtool support

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Message-ID: <20240304150914.11444-23-antonio@openvpn.net>
Date: Mon,  4 Mar 2024 16:09:13 +0100
From: Antonio Quartulli <antonio@...nvpn.net>
To: netdev@...r.kernel.org
Cc: Jakub Kicinski <kuba@...nel.org>,
	Sergey Ryazanov <ryazanov.s.a@...il.com>,
	Paolo Abeni <pabeni@...hat.com>,
	Eric Dumazet <edumazet@...gle.com>,
	Antonio Quartulli <antonio@...nvpn.net>
Subject: [PATCH net-next v2 22/22] ovpn: add basic ethtool support

Signed-off-by: Antonio Quartulli <antonio@...nvpn.net>
---
 drivers/net/ovpn/main.c | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

diff --git a/drivers/net/ovpn/main.c b/drivers/net/ovpn/main.c
index 95a94ccc99c1..9dfcf2580659 100644
--- a/drivers/net/ovpn/main.c
+++ b/drivers/net/ovpn/main.c
@@ -13,6 +13,7 @@
 #include "ovpnstruct.h"
 #include "packet.h"
 
+#include <linux/ethtool.h>
 #include <linux/genetlink.h>
 #include <linux/module.h>
 #include <linux/moduleparam.h>
@@ -83,6 +84,36 @@ static const struct net_device_ops ovpn_netdev_ops = {
 	.ndo_get_stats64        = dev_get_tstats64,
 };
 
+static int ovpn_get_link_ksettings(struct net_device *dev,
+				   struct ethtool_link_ksettings *cmd)
+{
+	ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported, 0);
+	ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising, 0);
+	cmd->base.speed	= SPEED_1000;
+	cmd->base.duplex = DUPLEX_FULL;
+	cmd->base.port = PORT_TP;
+	cmd->base.phy_address = 0;
+	cmd->base.transceiver = XCVR_INTERNAL;
+	cmd->base.autoneg = AUTONEG_DISABLE;
+
+	return 0;
+}
+
+static void ovpn_get_drvinfo(struct net_device *dev,
+			     struct ethtool_drvinfo *info)
+{
+	strscpy(info->driver, DRV_NAME, sizeof(info->driver));
+	strscpy(info->version, DRV_VERSION, sizeof(info->version));
+	strscpy(info->bus_info, "ovpn", sizeof(info->bus_info));
+}
+
+static const struct ethtool_ops ovpn_ethtool_ops = {
+	.get_link_ksettings	= ovpn_get_link_ksettings,
+	.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 */
@@ -95,6 +126,7 @@ 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;
-- 
2.43.0