net: hibmcge: Implement some ethtool_ops functions

Implement the .get_drvinfo .get_link .get_link_ksettings to get
the basic information and working status of the driver.
Implement the .set_link_ksettings to modify the rate, duplex,
and auto-negotiation status.

Signed-off-by: Jijie Shao <[email protected]>
Reviewed-by: Andrew Lunn <[email protected]>
Reviewed-by: Kalesh AP <[email protected]>
Signed-off-by: Paolo Abeni <[email protected]>

Author: Jijie Shao

drivers/net/ethernet/hisilicon/hibmcge/hbg_ethtool.c

@@ -0,0 +1,17 @@
+// SPDX-License-Identifier: GPL-2.0+
+// Copyright (c) 2024 Hisilicon Limited.
+
+#include <linux/ethtool.h>
+#include <linux/phy.h>
+#include "hbg_ethtool.h"
+
+static const struct ethtool_ops hbg_ethtool_ops = {
+	.get_link		= ethtool_op_get_link,
+	.get_link_ksettings	= phy_ethtool_get_link_ksettings,
+	.set_link_ksettings	= phy_ethtool_set_link_ksettings,
+};
+
+void hbg_ethtool_set_ops(struct net_device *netdev)
+{
+	netdev->ethtool_ops = &hbg_ethtool_ops;
+}

drivers/net/ethernet/hisilicon/hibmcge/hbg_ethtool.h

@@ -0,0 +1,11 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/* Copyright (c) 2024 Hisilicon Limited. */
+
+#ifndef __HBG_ETHTOOL_H
+#define __HBG_ETHTOOL_H
+
+#include <linux/netdevice.h>
+
+void hbg_ethtool_set_ops(struct net_device *netdev);
+
+#endif

drivers/net/ethernet/hisilicon/hibmcge/hbg_main.c

@@ -6,6 +6,7 @@
 #include <linux/netdevice.h>
 #include <linux/pci.h>
 #include "hbg_common.h"
+#include "hbg_ethtool.h"
 #include "hbg_hw.h"
 #include "hbg_irq.h"
 #include "hbg_mdio.h"
@@ -223,6 +224,7 @@ static int hbg_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 
 	hbg_change_mtu(priv, ETH_DATA_LEN);
 	hbg_net_set_mac_address(priv->netdev, &priv->dev_specs.mac_addr);
+	hbg_ethtool_set_ops(netdev);
 
 	ret = devm_register_netdev(dev, netdev);
 	if (ret)