LXR linux/drivers/net/ethernet/mellanox/mlx5/core/accel/ipsec

   1/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
   2/* Copyright (c) 2020, Mellanox Technologies inc. All rights reserved. */
   3
   4#ifndef __MLX5_IPSEC_OFFLOAD_H__
   5#define __MLX5_IPSEC_OFFLOAD_H__
   6
   7#include <linux/mlx5/driver.h>
   8#include "accel/ipsec.h"
   9
  10#ifdef CONFIG_MLX5_IPSEC
  11
  12const struct mlx5_accel_ipsec_ops *mlx5_ipsec_offload_ops(struct mlx5_core_dev *mdev);
  13static inline bool mlx5_is_ipsec_device(struct mlx5_core_dev *mdev)
  14{
  15        if (!MLX5_CAP_GEN(mdev, ipsec_offload))
  16                return false;
  17
  18        if (!MLX5_CAP_GEN(mdev, log_max_dek))
  19                return false;
  20
  21        if (!(MLX5_CAP_GEN_64(mdev, general_obj_types) &
  22            MLX5_HCA_CAP_GENERAL_OBJECT_TYPES_IPSEC))
  23                return false;
  24
  25        return MLX5_CAP_IPSEC(mdev, ipsec_crypto_offload) &&
  26                MLX5_CAP_ETH(mdev, insert_trailer);
  27}
  28
  29#else
  30static inline const struct mlx5_accel_ipsec_ops *
  31mlx5_ipsec_offload_ops(struct mlx5_core_dev *mdev) { return NULL; }
  32static inline bool mlx5_is_ipsec_device(struct mlx5_core_dev *mdev)
  33{
  34        return false;
  35}
  36
  37#endif /* CONFIG_MLX5_IPSEC */
  38#endif /* __MLX5_IPSEC_OFFLOAD_H__ */
  39