net/mlx5: Add creation flags when adding new flow table

When creating flow tables, allow the caller to specify creation flags.
Currently no flags are used and as such this patch doesn't add any new
functionality.

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>

include/linux/mlx5/fs.h

@@ -42,6 +42,10 @@ enum {
 	MLX5_FLOW_CONTEXT_ACTION_FWD_NEXT_PRIO	= 1 << 16,
 };
 
+enum {
+	MLX5_FLOW_TABLE_TUNNEL_EN = BIT(0),
+};
+
 #define LEFTOVERS_RULE_NUM	 2
 static inline void build_leftovers_ft_param(int *priority,
 					    int *n_ent,
@@ -97,13 +101,15 @@ mlx5_create_auto_grouped_flow_table(struct mlx5_flow_namespace *ns,
 				    int prio,
 				    int num_flow_table_entries,
 				    int max_num_groups,
-				    u32 level);
+				    u32 level,
+				    u32 flags);
 
 struct mlx5_flow_table *
 mlx5_create_flow_table(struct mlx5_flow_namespace *ns,
 		       int prio,
 		       int num_flow_table_entries,
-		       u32 level);
+		       u32 level,
+		       u32 flags);
 struct mlx5_flow_table *
 mlx5_create_vport_flow_table(struct mlx5_flow_namespace *ns,
 			     int prio,