net/mlx5e: Use correct flow dissector key on flower offloading

The wrong key is used when extracting the address type field set by
the flower offload code. We have to use the control key and not the
basic key, fix that.

Fixes: e3a2b7ed018e ('net/mlx5e: Support offload cls_flower with drop action')
Signed-off-by: Hadar Hen Zion <hadarh@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/mellanox/mlx5/core/en_tc.c

@@ -170,7 +170,7 @@ static int parse_cls_flower(struct mlx5e_priv *priv, struct mlx5_flow_spec *spec
 	if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_CONTROL)) {
 		struct flow_dissector_key_control *key =
 			skb_flow_dissector_target(f->dissector,
-						  FLOW_DISSECTOR_KEY_BASIC,
+						  FLOW_DISSECTOR_KEY_CONTROL,
 						  f->key);
 		addr_type = key->addr_type;
 	}