Commit 411d7d70 authored by Oleksij Rempel's avatar Oleksij Rempel Committed by Jakub Kicinski
Browse files

net: usb: lan78xx: add support for generic net selftests via ethtool 



Integrate generic net_selftest framework by wiring up
.get_strings, .get_sset_count, and .self_test ethtool ops.

This enables execution of standard self-tests using
`ethtool -t <dev>` on LAN78xx devices.

Signed-off-by: default avatarOleksij Rempel <o.rempel@pengutronix.de>
Link: https://patch.msgid.link/20250822092555.2888870-1-o.rempel@pengutronix.de


Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent e887a196

drivers/net/usb/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -116,6 +116,7 @@ config USB_LAN78XX 
	select PHYLINK

	select MICROCHIP_PHY

	select CRC32

	imply NET_SELFTESTS

	help

	  This option adds support for Microchip LAN78XX based USB 2

	  & USB 3 10/100/1000 Ethernet adapters.

drivers/net/usb/lan78xx.c

+6 −0
Original line number Diff line number Diff line
@@ -20,6 +20,7 @@ 
#include <linux/mdio.h>

#include <linux/phy.h>

#include <net/ip6_checksum.h>

#include <net/selftests.h>

#include <net/vxlan.h>

#include <linux/interrupt.h>

#include <linux/irqdomain.h>
@@ -1702,12 +1703,16 @@ static void lan78xx_get_strings(struct net_device *netdev, u32 stringset, 
{

	if (stringset == ETH_SS_STATS)

		memcpy(data, lan78xx_gstrings, sizeof(lan78xx_gstrings));

	else if (stringset == ETH_SS_TEST)

		net_selftest_get_strings(data);

}



static int lan78xx_get_sset_count(struct net_device *netdev, int sset)

{

	if (sset == ETH_SS_STATS)

		return ARRAY_SIZE(lan78xx_gstrings);

	else if (sset == ETH_SS_TEST)

		return net_selftest_get_count();

	else

		return -EOPNOTSUPP;

}
@@ -1894,6 +1899,7 @@ static const struct ethtool_ops lan78xx_ethtool_ops = { 
	.set_eeprom	= lan78xx_ethtool_set_eeprom,

	.get_ethtool_stats = lan78xx_get_stats,

	.get_sset_count = lan78xx_get_sset_count,

	.self_test	= net_selftest,

	.get_strings	= lan78xx_get_strings,

	.get_wol	= lan78xx_get_wol,

	.set_wol	= lan78xx_set_wol,