net: sched: get rid of struct tc_to_netdev

Get rid of struct tc_to_netdev which is now just unnecessary container
and rather pass per-type structures down to drivers directly.
Along with that, consolidate the naming of per-type structure variables
in cls_*.

Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
index 1667e86..6e67ca7 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
@@ -131,17 +131,19 @@ int mlx4_en_alloc_tx_queue_per_tc(struct net_device *dev, u8 tc)
 }
 
 static int __mlx4_en_setup_tc(struct net_device *dev, enum tc_setup_type type,
-			      struct tc_to_netdev *tc)
+			      void *type_data)
 {
+	struct tc_mqprio_qopt *mqprio = type_data;
+
 	if (type != TC_SETUP_MQPRIO)
 		return -EOPNOTSUPP;
 
-	if (tc->mqprio->num_tc && tc->mqprio->num_tc != MLX4_EN_NUM_UP_HIGH)
+	if (mqprio->num_tc && mqprio->num_tc != MLX4_EN_NUM_UP_HIGH)
 		return -EINVAL;
 
-	tc->mqprio->hw = TC_MQPRIO_HW_OFFLOAD_TCS;
+	mqprio->hw = TC_MQPRIO_HW_OFFLOAD_TCS;
 
-	return mlx4_en_alloc_tx_queue_per_tc(dev, tc->mqprio->num_tc);
+	return mlx4_en_alloc_tx_queue_per_tc(dev, mqprio->num_tc);
 }
 
 #ifdef CONFIG_RFS_ACCEL