ixgbe: fix select_queue management

Convert ixgbe to use net_device_ops properly.
Rather than changing the select_queue function pointer
just check the flag.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Acked-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ixgbe/ixgbe_dcb_nl.c

@@ -102,12 +102,6 @@ static u8 ixgbe_dcbnl_get_state(struct net_device *netdev)
 	return !!(adapter->flags & IXGBE_FLAG_DCB_ENABLED);
 }
 
-static u16 ixgbe_dcb_select_queue(struct net_device *dev, struct sk_buff *skb)
-{
-	/* All traffic should default to class 0 */
-	return 0;
-}
-
 static u8 ixgbe_dcbnl_set_state(struct net_device *netdev, u8 state)
 {
 	u8 err = 0;
@@ -135,7 +129,6 @@ static u8 ixgbe_dcbnl_set_state(struct net_device *netdev, u8 state)
 		kfree(adapter->rx_ring);
 		adapter->tx_ring = NULL;
 		adapter->rx_ring = NULL;
-		netdev->select_queue = &ixgbe_dcb_select_queue;
 
 		adapter->flags &= ~IXGBE_FLAG_RSS_ENABLED;
 		adapter->flags |= IXGBE_FLAG_DCB_ENABLED;
@@ -154,7 +147,6 @@ static u8 ixgbe_dcbnl_set_state(struct net_device *netdev, u8 state)
 			kfree(adapter->rx_ring);
 			adapter->tx_ring = NULL;
 			adapter->rx_ring = NULL;
-			netdev->select_queue = NULL;
 
 			adapter->flags &= ~IXGBE_FLAG_DCB_ENABLED;
 			adapter->flags |= IXGBE_FLAG_RSS_ENABLED;

drivers/net/ixgbe/ixgbe_main.c

@@ -4321,6 +4321,16 @@ static int ixgbe_maybe_stop_tx(struct net_device *netdev,
 	return __ixgbe_maybe_stop_tx(netdev, tx_ring, size);
 }
 
+static u16 ixgbe_select_queue(struct net_device *dev, struct sk_buff *skb)
+{
+	struct ixgbe_adapter *adapter = netdev_priv(dev);
+
+	if (adapter->flags & IXGBE_FLAG_DCB_ENABLED)
+		return 0;  /* All traffic should default to class 0 */
+
+	return skb_tx_hash(dev, skb);
+}
+
 static int ixgbe_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
 {
 	struct ixgbe_adapter *adapter = netdev_priv(netdev);
@@ -4450,6 +4460,7 @@ static const struct net_device_ops ixgbe_netdev_ops = {
 	.ndo_open 		= ixgbe_open,
 	.ndo_stop		= ixgbe_close,
 	.ndo_start_xmit		= ixgbe_xmit_frame,
+	.ndo_select_queue	= ixgbe_select_queue,
 	.ndo_get_stats		= ixgbe_get_stats,
 	.ndo_set_rx_mode        = ixgbe_set_rx_mode,
 	.ndo_set_multicast_list	= ixgbe_set_rx_mode,