net/mlx5: Introduce mlx5_flow_steering structure

Instead of having all steering private name spaces and
steering module fields flat in mlx5_core_priv, we wrap
them in mlx5_flow_steering for better modularity and
API exposure.
Signed-off-by: Maor Gottlieb <maorg@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/fs_core.h

@@ -55,6 +55,14 @@ enum fs_fte_status {
 	FS_FTE_STATUS_EXISTING = 1UL << 0,
 };
 
+struct mlx5_flow_steering {
+	struct mlx5_core_dev *dev;
+	struct mlx5_flow_root_namespace *root_ns;
+	struct mlx5_flow_root_namespace *fdb_root_ns;
+	struct mlx5_flow_root_namespace *esw_egress_root_ns;
+	struct mlx5_flow_root_namespace *esw_ingress_root_ns;
+};
+
 struct fs_node {
 	struct list_head	list;
 	struct list_head	children;

include/linux/mlx5/driver.h

@@ -550,14 +550,10 @@ struct mlx5_priv {
 	struct list_head        ctx_list;
 	spinlock_t              ctx_lock;
 
+	struct mlx5_flow_steering *steering;
 	struct mlx5_eswitch     *eswitch;
 	struct mlx5_core_sriov	sriov;
 	unsigned long		pci_dev_data;
-	struct mlx5_flow_root_namespace *root_ns;
-	struct mlx5_flow_root_namespace *fdb_root_ns;
-	struct mlx5_flow_root_namespace *esw_egress_root_ns;
-	struct mlx5_flow_root_namespace *esw_ingress_root_ns;
-
 	struct mlx5_fc_stats		fc_stats;
 	struct mlx5_rl_table            rl_table;
 };