fjes: net_device_ops.ndo_tx_timeout

This patch adds net_device_ops.ndo_tx_timeout callback.
Signed-off-by: Taku Izumi <izumi.taku@jp.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/fjes/fjes_main.c

@@ -58,6 +58,7 @@ static irqreturn_t fjes_intr(int, void*);
 static struct rtnl_link_stats64 *
 fjes_get_stats64(struct net_device *, struct rtnl_link_stats64 *);
 static int fjes_change_mtu(struct net_device *, int);
+static void fjes_tx_retry(struct net_device *);
 
 static int fjes_acpi_add(struct acpi_device *);
 static int fjes_acpi_remove(struct acpi_device *);
@@ -224,6 +225,7 @@ static const struct net_device_ops fjes_netdev_ops = {
 	.ndo_start_xmit		= fjes_xmit_frame,
 	.ndo_get_stats64	= fjes_get_stats64,
 	.ndo_change_mtu		= fjes_change_mtu,
+	.ndo_tx_timeout		= fjes_tx_retry,
 };
 
 /* fjes_open - Called when a network interface is made active */
@@ -705,6 +707,13 @@ fjes_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
 	return ret;
 }
 
+static void fjes_tx_retry(struct net_device *netdev)
+{
+	struct netdev_queue *queue = netdev_get_tx_queue(netdev, 0);
+
+	netif_tx_wake_queue(queue);
+}
+
 static struct rtnl_link_stats64 *
 fjes_get_stats64(struct net_device *netdev, struct rtnl_link_stats64 *stats)
 {