mlx4: use __netdev_pick_tx instead of __skb_tx_hash in mlx4_en_select_queue

mlx4_en_select_queue() uses __skb_tx_hash to select the transmit queue.
XPS settings are ignored by this. Instead, we can use __netdev_pick_tx
to select the transmit queue.

Compile test only.

Signed-off-by: govindarajulu.v <govindarajulu90@gmail.com>
Acked-By: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/mellanox/mlx4/en_tx.c

@@ -544,7 +544,7 @@ u16 mlx4_en_select_queue(struct net_device *dev, struct sk_buff *skb)
 	if (vlan_tx_tag_present(skb))
 		up = vlan_tx_tag_get(skb) >> VLAN_PRIO_SHIFT;
 
-	return __skb_tx_hash(dev, skb, rings_p_up) + up * rings_p_up;
+	return __netdev_pick_tx(dev, skb) % rings_p_up + up * rings_p_up;
 }
 
 static void mlx4_bf_copy(void __iomem *dst, unsigned long *src, unsigned bytecnt)