net/mlx5e: Separate ethtool_steering from fs.h and make private

Create a new fs_ethtool.h header file, where ethtool steering init and
cleanup functions are declared in it.
Make mlx5e_ethtool_steering struct private and declare at en_fs_ethtool.c.
Signed-off-by: Lama Kayal <lkayal@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>

drivers/net/ethernet/mellanox/mlx5/core/en/fs.h

@@ -92,38 +92,6 @@ enum {
 struct mlx5e_flow_steering;
 struct mlx5e_priv;
 
-#ifdef CONFIG_MLX5_EN_RXNFC
-
-struct mlx5e_ethtool_table {
-	struct mlx5_flow_table *ft;
-	int                    num_rules;
-};
-
-#define ETHTOOL_NUM_L3_L4_FTS 7
-#define ETHTOOL_NUM_L2_FTS 4
-
-struct mlx5e_ethtool_steering {
-	struct mlx5e_ethtool_table      l3_l4_ft[ETHTOOL_NUM_L3_L4_FTS];
-	struct mlx5e_ethtool_table      l2_ft[ETHTOOL_NUM_L2_FTS];
-	struct list_head                rules;
-	int                             tot_num_rules;
-};
-
-void mlx5e_ethtool_init_steering(struct mlx5e_flow_steering *fs);
-void mlx5e_ethtool_cleanup_steering(struct mlx5e_flow_steering *fs);
-int mlx5e_ethtool_set_rxnfc(struct mlx5e_priv *priv, struct ethtool_rxnfc *cmd);
-int mlx5e_ethtool_get_rxnfc(struct mlx5e_priv *priv,
-			    struct ethtool_rxnfc *info, u32 *rule_locs);
-#else
-static inline void mlx5e_ethtool_init_steering(struct mlx5e_flow_steering *fs) { }
-static inline void mlx5e_ethtool_cleanup_steering(struct mlx5e_flow_steering *fs) { }
-static inline int mlx5e_ethtool_set_rxnfc(struct mlx5e_priv *priv, struct ethtool_rxnfc *cmd)
-{ return -EOPNOTSUPP; }
-static inline int mlx5e_ethtool_get_rxnfc(struct mlx5e_priv *priv,
-					  struct ethtool_rxnfc *info, u32 *rule_locs)
-{ return -EOPNOTSUPP; }
-#endif /* CONFIG_MLX5_EN_RXNFC */
-
 #ifdef CONFIG_MLX5_EN_ARFS
 struct mlx5e_arfs_tables;
 

drivers/net/ethernet/mellanox/mlx5/core/en/fs_ethtool.h

+/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
+/* Copyright (c) 2022, NVIDIA CORPORATION & AFFILIATES. */
+
+#ifndef __MLX5E_FS_ETHTOOL_H__
+#define __MLX5E_FS_ETHTOOL_H__
+
+struct mlx5e_priv;
+struct mlx5e_ethtool_steering;
+#ifdef CONFIG_MLX5_EN_RXNFC
+int mlx5e_ethtool_alloc(struct mlx5e_ethtool_steering **ethtool);
+void mlx5e_ethtool_free(struct mlx5e_ethtool_steering *ethtool);
+void mlx5e_ethtool_init_steering(struct mlx5e_flow_steering *fs);
+void mlx5e_ethtool_cleanup_steering(struct mlx5e_flow_steering *fs);
+int mlx5e_ethtool_set_rxnfc(struct mlx5e_priv *priv, struct ethtool_rxnfc *cmd);
+int mlx5e_ethtool_get_rxnfc(struct mlx5e_priv *priv,
+			    struct ethtool_rxnfc *info, u32 *rule_locs);
+#else
+static inline int mlx5e_ethtool_alloc(struct mlx5e_ethtool_steering **ethtool)
+{ return 0; }
+static inline void mlx5e_ethtool_free(struct mlx5e_ethtool_steering *ethtool) { }
+static inline void mlx5e_ethtool_init_steering(struct mlx5e_flow_steering *fs) { }
+static inline void mlx5e_ethtool_cleanup_steering(struct mlx5e_flow_steering *fs) { }
+static inline int mlx5e_ethtool_set_rxnfc(struct mlx5e_priv *priv, struct ethtool_rxnfc *cmd)
+{ return -EOPNOTSUPP; }
+static inline int mlx5e_ethtool_get_rxnfc(struct mlx5e_priv *priv,
+					  struct ethtool_rxnfc *info, u32 *rule_locs)
+{ return -EOPNOTSUPP; }
+#endif
+#endif

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

@@ -38,6 +38,7 @@
 #include "en/xsk/pool.h"
 #include "en/ptp.h"
 #include "lib/clock.h"
+#include "en/fs_ethtool.h"
 
 void mlx5e_ethtool_get_drvinfo(struct mlx5e_priv *priv,
 			       struct ethtool_drvinfo *drvinfo)

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

@@ -40,6 +40,7 @@
 #include "en_tc.h"
 #include "lib/mpfs.h"
 #include "en/ptp.h"
+#include "en/fs_ethtool.h"
 
 struct mlx5e_flow_steering {
 	struct work_struct		set_rx_mode_work;
@@ -1410,16 +1411,12 @@ struct mlx5e_tc_table *mlx5e_fs_get_tc(struct mlx5e_flow_steering *fs)
 #ifdef CONFIG_MLX5_EN_RXNFC
 static int mlx5e_fs_ethtool_alloc(struct mlx5e_flow_steering *fs)
 {
-	fs->ethtool = kvzalloc(sizeof(*fs->ethtool), GFP_KERNEL);
-
-	if (!fs->ethtool)
-		return -ENOMEM;
-	return 0;
+	return mlx5e_ethtool_alloc(&fs->ethtool);
 }
 
 static void mlx5e_fs_ethtool_free(struct mlx5e_flow_steering *fs)
 {
-	kvfree(fs->ethtool);
+	mlx5e_ethtool_free(fs->ethtool);
 }
 
 struct mlx5e_ethtool_steering *mlx5e_fs_get_ethtool(struct mlx5e_flow_steering *fs)

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

@@ -34,6 +34,22 @@
 #include "en.h"
 #include "en/params.h"
 #include "en/xsk/pool.h"
+#include "en/fs_ethtool.h"
+
+struct mlx5e_ethtool_table {
+	struct mlx5_flow_table *ft;
+	int                    num_rules;
+};
+
+#define ETHTOOL_NUM_L3_L4_FTS 7
+#define ETHTOOL_NUM_L2_FTS 4
+
+struct mlx5e_ethtool_steering {
+	struct mlx5e_ethtool_table      l3_l4_ft[ETHTOOL_NUM_L3_L4_FTS];
+	struct mlx5e_ethtool_table      l2_ft[ETHTOOL_NUM_L2_FTS];
+	struct list_head                rules;
+	int                             tot_num_rules;
+};
 
 static int flow_type_to_traffic_type(u32 flow_type);
 
@@ -831,6 +847,19 @@ mlx5e_ethtool_get_all_flows(struct mlx5e_priv *priv,
 	return err;
 }
 
+int mlx5e_ethtool_alloc(struct mlx5e_ethtool_steering **ethtool)
+{
+	*ethtool =  kvzalloc(sizeof(**ethtool), GFP_KERNEL);
+	if (!*ethtool)
+		return -ENOMEM;
+	return 0;
+}
+
+void mlx5e_ethtool_free(struct mlx5e_ethtool_steering *ethtool)
+{
+	kvfree(ethtool);
+}
+
 void mlx5e_ethtool_cleanup_steering(struct mlx5e_flow_steering *fs)
 {
 	struct mlx5e_ethtool_steering *ethtool = mlx5e_fs_get_ethtool(fs);

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

@@ -56,6 +56,7 @@
 #include "en_accel/ipsec.h"
 #include "en/tc/int_port.h"
 #include "en/ptp.h"
+#include "en/fs_ethtool.h"
 
 #define MLX5E_REP_PARAMS_DEF_LOG_SQ_SIZE \
 	max(0x7, MLX5E_PARAMS_MINIMUM_LOG_SQ_SIZE)

drivers/net/ethernet/mellanox/mlx5/core/ipoib/ethtool.c

@@ -32,6 +32,7 @@
 
 #include "en.h"
 #include "ipoib.h"
+#include "en/fs_ethtool.h"
 
 static void mlx5i_get_drvinfo(struct net_device *dev,
 			      struct ethtool_drvinfo *drvinfo)

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

@@ -35,6 +35,7 @@
 #include "en.h"
 #include "en/params.h"
 #include "ipoib.h"
+#include "en/fs_ethtool.h"
 
 #define IB_DEFAULT_Q_KEY   0xb1b
 #define MLX5I_PARAMS_DEFAULT_LOG_RQ_SIZE 9