net/mlx5: Separate between public and private API of sf.h

Move mlx5_sf_max_functions() and friends from the privete sf/sf.h
to the public lib/sf.h. This is done in order to have one direction
include paths.
Signed-off-by: Shay Drory <shayd@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>

drivers/net/ethernet/mellanox/mlx5/core/lib/sf.h

+/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
+/* Copyright (c) 2021 Mellanox Technologies Ltd */
+
+#ifndef __LIB_MLX5_SF_H__
+#define __LIB_MLX5_SF_H__
+
+#include <linux/mlx5/driver.h>
+
+static inline u16 mlx5_sf_start_function_id(const struct mlx5_core_dev *dev)
+{
+	return MLX5_CAP_GEN(dev, sf_base_id);
+}
+
+#ifdef CONFIG_MLX5_SF
+
+static inline bool mlx5_sf_supported(const struct mlx5_core_dev *dev)
+{
+	return MLX5_CAP_GEN(dev, sf);
+}
+
+static inline u16 mlx5_sf_max_functions(const struct mlx5_core_dev *dev)
+{
+	if (!mlx5_sf_supported(dev))
+		return 0;
+	if (MLX5_CAP_GEN(dev, max_num_sf))
+		return MLX5_CAP_GEN(dev, max_num_sf);
+	else
+		return 1 << MLX5_CAP_GEN(dev, log_max_sf);
+}
+
+#else
+
+static inline bool mlx5_sf_supported(const struct mlx5_core_dev *dev)
+{
+	return false;
+}
+
+static inline u16 mlx5_sf_max_functions(const struct mlx5_core_dev *dev)
+{
+	return 0;
+}
+
+#endif
+
+#endif

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

@@ -5,42 +5,7 @@
 #define __MLX5_SF_H__
 
 #include <linux/mlx5/driver.h>
-
-static inline u16 mlx5_sf_start_function_id(const struct mlx5_core_dev *dev)
-{
-	return MLX5_CAP_GEN(dev, sf_base_id);
-}
-
-#ifdef CONFIG_MLX5_SF
-
-static inline bool mlx5_sf_supported(const struct mlx5_core_dev *dev)
-{
-	return MLX5_CAP_GEN(dev, sf);
-}
-
-static inline u16 mlx5_sf_max_functions(const struct mlx5_core_dev *dev)
-{
-	if (!mlx5_sf_supported(dev))
-		return 0;
-	if (MLX5_CAP_GEN(dev, max_num_sf))
-		return MLX5_CAP_GEN(dev, max_num_sf);
-	else
-		return 1 << MLX5_CAP_GEN(dev, log_max_sf);
-}
-
-#else
-
-static inline bool mlx5_sf_supported(const struct mlx5_core_dev *dev)
-{
-	return false;
-}
-
-static inline u16 mlx5_sf_max_functions(const struct mlx5_core_dev *dev)
-{
-	return 0;
-}
-
-#endif
+#include "lib/sf.h"
 
 #ifdef CONFIG_MLX5_SF_MANAGER