net/mlx5e: Move DIM function declarations to en/dim.h

Create a header specifically for DIM-related declarations. Move existing
DIM-specific functionality from en.h. Future DIM-related functionality will
be declared in en/dim.h in subsequent patches.

Co-developed-by: Nabil S. Alramli <dev@nalramli.com>
Signed-off-by: Nabil S. Alramli <dev@nalramli.com>
Co-developed-by: Joe Damato <jdamato@fastly.com>
Signed-off-by: Joe Damato <jdamato@fastly.com>
Signed-off-by: Rahul Rameshbabu <rrameshbabu@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://lore.kernel.org/r/20240419080445.417574-2-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

Author: Binary-Eater

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

@@ -1210,8 +1210,6 @@ int mlx5e_netdev_change_profile(struct mlx5e_priv *priv,
 void mlx5e_netdev_attach_nic_profile(struct mlx5e_priv *priv);
 void mlx5e_set_netdev_mtu_boundaries(struct mlx5e_priv *priv);
 void mlx5e_build_nic_params(struct mlx5e_priv *priv, struct mlx5e_xsk *xsk, u16 mtu);
-void mlx5e_rx_dim_work(struct work_struct *work);
-void mlx5e_tx_dim_work(struct work_struct *work);
 
 void mlx5e_set_xdp_feature(struct net_device *netdev);
 netdev_features_t mlx5e_features_check(struct sk_buff *skb,

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

@@ -0,0 +1,15 @@
+/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
+/* Copyright (c) 2023, NVIDIA CORPORATION & AFFILIATES. All rights reserved */
+
+#ifndef __MLX5_EN_DIM_H__
+#define __MLX5_EN_DIM_H__
+
+#include <linux/types.h>
+
+/* Forward declarations */
+struct work_struct;
+
+void mlx5e_rx_dim_work(struct work_struct *work);
+void mlx5e_tx_dim_work(struct work_struct *work);
+
+#endif /* __MLX5_EN_DIM_H__ */

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

@@ -30,8 +30,8 @@
  * SOFTWARE.
  */
 
-#include <linux/dim.h>
 #include "en.h"
+#include "en/dim.h"
 
 static void
 mlx5e_complete_dim_work(struct dim *dim, struct dim_cq_moder moder,

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

@@ -33,6 +33,7 @@
 #include <linux/ethtool_netlink.h>
 
 #include "en.h"
+#include "en/dim.h"
 #include "en/port.h"
 #include "en/params.h"
 #include "en/ptp.h"

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

@@ -43,6 +43,7 @@
 #include <net/xdp_sock_drv.h>
 #include "eswitch.h"
 #include "en.h"
+#include "en/dim.h"
 #include "en/txrx.h"
 #include "en_tc.h"
 #include "en_rep.h"