| /* |
| * Copyright (c) 2017 Mellanox Technologies. All rights reserved. |
| * |
| * This software is available to you under a choice of one of two |
| * licenses. You may choose to be licensed under the terms of the GNU |
| * General Public License (GPL) Version 2, available from the file |
| * COPYING in the main directory of this source tree, or the |
| * OpenIB.org BSD license below: |
| * |
| * Redistribution and use in source and binary forms, with or |
| * without modification, are permitted provided that the following |
| * conditions are met: |
| * |
| * - Redistributions of source code must retain the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer. |
| * |
| * - Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer in the documentation and/or other materials |
| * provided with the distribution. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
| * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
| * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| * SOFTWARE. |
| * |
| */ |
| |
| #ifndef __MLX5_ACCEL_IPSEC_H__ |
| #define __MLX5_ACCEL_IPSEC_H__ |
| |
| #include <linux/mlx5/driver.h> |
| #include <linux/mlx5/accel.h> |
| |
| #ifdef CONFIG_MLX5_ACCEL |
| |
| #define MLX5_IPSEC_DEV(mdev) (mlx5_accel_ipsec_device_caps(mdev) & \ |
| MLX5_ACCEL_IPSEC_CAP_DEVICE) |
| |
| unsigned int mlx5_accel_ipsec_counters_count(struct mlx5_core_dev *mdev); |
| int mlx5_accel_ipsec_counters_read(struct mlx5_core_dev *mdev, u64 *counters, |
| unsigned int count); |
| |
| void *mlx5_accel_esp_create_hw_context(struct mlx5_core_dev *mdev, |
| struct mlx5_accel_esp_xfrm *xfrm, |
| u32 *sa_handle); |
| void mlx5_accel_esp_free_hw_context(struct mlx5_core_dev *mdev, void *context); |
| |
| void mlx5_accel_ipsec_init(struct mlx5_core_dev *mdev); |
| void mlx5_accel_ipsec_cleanup(struct mlx5_core_dev *mdev); |
| |
| struct mlx5_accel_ipsec_ops { |
| u32 (*device_caps)(struct mlx5_core_dev *mdev); |
| unsigned int (*counters_count)(struct mlx5_core_dev *mdev); |
| int (*counters_read)(struct mlx5_core_dev *mdev, u64 *counters, unsigned int count); |
| void* (*create_hw_context)(struct mlx5_core_dev *mdev, |
| struct mlx5_accel_esp_xfrm *xfrm, |
| const __be32 saddr[4], const __be32 daddr[4], |
| const __be32 spi, bool is_ipv6, u32 *sa_handle); |
| void (*free_hw_context)(void *context); |
| int (*init)(struct mlx5_core_dev *mdev); |
| void (*cleanup)(struct mlx5_core_dev *mdev); |
| struct mlx5_accel_esp_xfrm* (*esp_create_xfrm)(struct mlx5_core_dev *mdev, |
| const struct mlx5_accel_esp_xfrm_attrs *attrs, |
| u32 flags); |
| int (*esp_modify_xfrm)(struct mlx5_accel_esp_xfrm *xfrm, |
| const struct mlx5_accel_esp_xfrm_attrs *attrs); |
| void (*esp_destroy_xfrm)(struct mlx5_accel_esp_xfrm *xfrm); |
| }; |
| |
| #else |
| |
| #define MLX5_IPSEC_DEV(mdev) false |
| |
| static inline void * |
| mlx5_accel_esp_create_hw_context(struct mlx5_core_dev *mdev, |
| struct mlx5_accel_esp_xfrm *xfrm, |
| u32 *sa_handle) |
| { |
| return NULL; |
| } |
| |
| static inline void mlx5_accel_esp_free_hw_context(struct mlx5_core_dev *mdev, void *context) {} |
| |
| static inline void mlx5_accel_ipsec_init(struct mlx5_core_dev *mdev) {} |
| |
| static inline void mlx5_accel_ipsec_cleanup(struct mlx5_core_dev *mdev) {} |
| |
| #endif /* CONFIG_MLX5_ACCEL */ |
| |
| #endif /* __MLX5_ACCEL_IPSEC_H__ */ |