net/mlx4: Make mlx4_is_eth visible inline funcion

Currently implemented as static function in resource_tracker.c --
this change will allow other files in mlx4_core to use it as well.
Signed-off-by: Ido Shamay <idos@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/mellanox/mlx4/resource_tracker.c

@@ -221,11 +221,6 @@ struct res_fs_rule {
 	int			qpn;
 };
 
-static int mlx4_is_eth(struct mlx4_dev *dev, int port)
-{
-	return dev->caps.port_mask[port] == MLX4_PORT_TYPE_IB ? 0 : 1;
-}
-
 static void *res_tracker_lookup(struct rb_root *root, u64 res_id)
 {
 	struct rb_node *node = root->rb_node;

include/linux/mlx4/device.h

@@ -1002,6 +1002,11 @@ static inline int mlx4_is_slave(struct mlx4_dev *dev)
 	return dev->flags & MLX4_FLAG_SLAVE;
 }
 
+static inline int mlx4_is_eth(struct mlx4_dev *dev, int port)
+{
+	return dev->caps.port_type[port] == MLX4_PORT_TYPE_IB ? 0 : 1;
+}
+
 int mlx4_buf_alloc(struct mlx4_dev *dev, int size, int max_direct,
 		   struct mlx4_buf *buf, gfp_t gfp);
 void mlx4_buf_free(struct mlx4_dev *dev, int size, struct mlx4_buf *buf);