lan743x: Add support for ethtool get_drvinfo

Implement ethtool get_drvinfo

Signed-off-by: Bryan Whitehead <[e-mail]>
Reviewed-by: Andrew Lunn <[e-mail]>
Signed-off-by: David S. Miller <[e-mail]>

drivers/net/ethernet/microchip/Makefile

···
 obj-$(CONFIG_ENCX24J600) += encx24j600.o encx24j600-regmap.o
 obj-$(CONFIG_LAN743X) += lan743x.o
 
-lan743x-objs := lan743x_main.o
+lan743x-objs := lan743x_main.o lan743x_ethtool.o

drivers/net/ethernet/microchip/lan743x_ethtool.c

···
+/* SPDX-License-Identifier: GPL-2.0+ */
+/* Copyright (C) 2018 Microchip Technology Inc. */
+
+#include <linux/netdevice.h>
+#include "lan743x_main.h"
+#include "lan743x_ethtool.h"
+#include <linux/pci.h>
+
+static void lan743x_ethtool_get_drvinfo(struct net_device *netdev,
+					struct ethtool_drvinfo *info)
+{
+	struct lan743x_adapter *adapter = netdev_priv(netdev);
+
+	strlcpy(info->driver, DRIVER_NAME, sizeof(info->driver));
+	strlcpy(info->bus_info,
+		pci_name(adapter->pdev), sizeof(info->bus_info));
+}
+
+const struct ethtool_ops lan743x_ethtool_ops = {
+	.get_drvinfo = lan743x_ethtool_get_drvinfo,
+};

drivers/net/ethernet/microchip/lan743x_ethtool.h

···
+/* SPDX-License-Identifier: GPL-2.0+ */
+/* Copyright (C) 2018 Microchip Technology Inc. */
+
+#ifndef _LAN743X_ETHTOOL_H
+#define _LAN743X_ETHTOOL_H
+
+#include "linux/ethtool.h"
+
+extern const struct ethtool_ops lan743x_ethtool_ops;
+
+#endif /* _LAN743X_ETHTOOL_H */

drivers/net/ethernet/microchip/lan743x_main.c

···
 #include <linux/rtnetlink.h>
 #include <linux/iopoll.h>
 #include "lan743x_main.h"
+#include "lan743x_ethtool.h"
 
 static void lan743x_pci_cleanup(struct lan743x_adapter *adapter)
 {
···
 		goto cleanup_hardware;
 
 	adapter->netdev->netdev_ops = &lan743x_netdev_ops;
+	adapter->netdev->ethtool_ops = &lan743x_ethtool_ops;
 	adapter->netdev->features = NETIF_F_SG | NETIF_F_TSO | NETIF_F_HW_CSUM;
 	adapter->netdev->hw_features = adapter->netdev->features;