net/mlx5: E-Switch, expose eswitch manager vport

Expose the ability the query the eswitch manager vport number.
Next patch will utilize this capability to reveal the correct
register C0 value to the users.
Signed-off-by: Mark Bloch <mbloch@nvidia.com>
Link: https://lore.kernel.org/r/614fb0e216250e2ce3340471ec141b83ec45c7f4.1701871118.git.leon@kernel.orgSigned-off-by: Leon Romanovsky <leon@kernel.org>

drivers/net/ethernet/mellanox/mlx5/core/eswitch.h

@@ -616,13 +616,6 @@ static inline bool mlx5_esw_allowed(const struct mlx5_eswitch *esw)
 	return esw && MLX5_ESWITCH_MANAGER(esw->dev);
 }
 
-/* The returned number is valid only when the dev is eswitch manager. */
-static inline u16 mlx5_eswitch_manager_vport(struct mlx5_core_dev *dev)
-{
-	return mlx5_core_is_ecpf_esw_manager(dev) ?
-		MLX5_VPORT_ECPF : MLX5_VPORT_PF;
-}
-
 static inline bool
 mlx5_esw_is_manager_vport(const struct mlx5_eswitch *esw, u16 vport_num)
 {

include/linux/mlx5/eswitch.h

@@ -7,6 +7,7 @@
 #define _MLX5_ESWITCH_
 
 #include <linux/mlx5/driver.h>
+#include <linux/mlx5/vport.h>
 #include <net/devlink.h>
 
 #define MLX5_ESWITCH_MANAGER(mdev) MLX5_CAP_GEN(mdev, eswitch_manager)
@@ -210,4 +211,11 @@ static inline bool is_mdev_switchdev_mode(struct mlx5_core_dev *dev)
 	return mlx5_eswitch_mode(dev) == MLX5_ESWITCH_OFFLOADS;
 }
 
+/* The returned number is valid only when the dev is eswitch manager. */
+static inline u16 mlx5_eswitch_manager_vport(struct mlx5_core_dev *dev)
+{
+	return mlx5_core_is_ecpf_esw_manager(dev) ?
+		MLX5_VPORT_ECPF : MLX5_VPORT_PF;
+}
+
 #endif