net: usb: smsc95xx: add generic selftest support

Provide generic selftest support. Tested with LAN9500 and LAN9512.

Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/usb/Kconfig b/drivers/net/usb/Kconfig
index b554054..e62fc4f 100644 (file)
--- a/drivers/net/usb/Kconfig
+++ b/drivers/net/usb/Kconfig
@@ -358,6 +358,7 @@ config USB_NET_SMSC95XX
        select BITREVERSE
        select CRC16
        select CRC32
+       imply NET_SELFTESTS
        help
          This option adds support for SMSC LAN95XX based USB 2.0
          10/100 Ethernet adapters.

diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c
index bc1e3dd..5567220 100644 (file)
--- a/drivers/net/usb/smsc95xx.c
+++ b/drivers/net/usb/smsc95xx.c
@@ -20,6 +20,8 @@
 #include <linux/of_net.h>
 #include <linux/mdio.h>
 #include <linux/phy.h>
+#include <net/selftests.h>
+
 #include "smsc95xx.h"
 
 #define SMSC_CHIPNAME                  "smsc95xx"
@@ -727,6 +729,26 @@ static u32 smsc95xx_get_link(struct net_device *net)
        return net->phydev->link;
 }
 
+static void smsc95xx_ethtool_get_strings(struct net_device *netdev, u32 sset,
+                                       u8 *data)
+{
+       switch (sset) {
+       case ETH_SS_TEST:
+               net_selftest_get_strings(data);
+               break;
+       }
+}
+
+static int smsc95xx_ethtool_get_sset_count(struct net_device *ndev, int sset)
+{
+       switch (sset) {
+       case ETH_SS_TEST:
+               return net_selftest_get_count();
+       default:
+               return -EOPNOTSUPP;
+       }
+}
+
 static const struct ethtool_ops smsc95xx_ethtool_ops = {
        .get_link       = smsc95xx_get_link,
        .nway_reset     = phy_ethtool_nway_reset,
@@ -743,6 +765,9 @@ static const struct ethtool_ops smsc95xx_ethtool_ops = {
        .get_link_ksettings     = phy_ethtool_get_link_ksettings,
        .set_link_ksettings     = phy_ethtool_set_link_ksettings,
        .get_ts_info    = ethtool_op_get_ts_info,
+       .self_test      = net_selftest,
+       .get_strings    = smsc95xx_ethtool_get_strings,
+       .get_sset_count = smsc95xx_ethtool_get_sset_count,
 };
 
 static int smsc95xx_ioctl(struct net_device *netdev, struct ifreq *rq, int cmd)