linux/drivers/net/ethernet/mellanox/mlx5/core/lib/port_tun.c

/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
/* Copyright (c) 2019 Mellanox Technologies. */

#include <linux/mlx5/driver.h>
#include <linux/mlx5/port.h>
#include "mlx5_core.h"
#include "lib/port_tun.h"

struct mlx5_port_tun_entropy_flags { … };

static void mlx5_query_port_tun_entropy(struct mlx5_core_dev *mdev,
					struct mlx5_port_tun_entropy_flags *entropy_flags)
{ … }

static int mlx5_set_port_tun_entropy_calc(struct mlx5_core_dev *mdev, u8 enable,
					  u8 force)
{ … }

static int mlx5_set_port_gre_tun_entropy_calc(struct mlx5_core_dev *mdev,
					      u8 enable, u8 force)
{ … }

void mlx5_init_port_tun_entropy(struct mlx5_tun_entropy *tun_entropy,
				struct mlx5_core_dev *mdev)
{ … }

static int mlx5_set_entropy(struct mlx5_tun_entropy *tun_entropy,
			    int reformat_type, bool enable)
{ … }

/* the function manages the refcount for enabling/disabling tunnel types.
 * the return value indicates if the inc is successful or not, depending on
 * entropy capabilities and configuration.
 */
int mlx5_tun_entropy_refcount_inc(struct mlx5_tun_entropy *tun_entropy,
				  int reformat_type)
{ … }

void mlx5_tun_entropy_refcount_dec(struct mlx5_tun_entropy *tun_entropy,
				   int reformat_type)
{ … }