| /* |
| * Copyright (c) 2018 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. |
| * |
| */ |
| |
| #include <linux/mlx5/device.h> |
| |
| #include "accel/tls.h" |
| #include "mlx5_core.h" |
| #include "lib/mlx5.h" |
| |
| #ifdef CONFIG_MLX5_FPGA_TLS |
| #include "fpga/tls.h" |
| |
| int mlx5_accel_tls_add_flow(struct mlx5_core_dev *mdev, void *flow, |
| struct tls_crypto_info *crypto_info, |
| u32 start_offload_tcp_sn, u32 *p_swid, |
| bool direction_sx) |
| { |
| return mlx5_fpga_tls_add_flow(mdev, flow, crypto_info, |
| start_offload_tcp_sn, p_swid, |
| direction_sx); |
| } |
| |
| void mlx5_accel_tls_del_flow(struct mlx5_core_dev *mdev, u32 swid, |
| bool direction_sx) |
| { |
| mlx5_fpga_tls_del_flow(mdev, swid, GFP_KERNEL, direction_sx); |
| } |
| |
| int mlx5_accel_tls_resync_rx(struct mlx5_core_dev *mdev, __be32 handle, |
| u32 seq, __be64 rcd_sn) |
| { |
| return mlx5_fpga_tls_resync_rx(mdev, handle, seq, rcd_sn); |
| } |
| |
| bool mlx5_accel_is_tls_device(struct mlx5_core_dev *mdev) |
| { |
| return mlx5_fpga_is_tls_device(mdev) || |
| mlx5_accel_is_ktls_device(mdev); |
| } |
| |
| u32 mlx5_accel_tls_device_caps(struct mlx5_core_dev *mdev) |
| { |
| return mlx5_fpga_tls_device_caps(mdev); |
| } |
| |
| int mlx5_accel_tls_init(struct mlx5_core_dev *mdev) |
| { |
| return mlx5_fpga_tls_init(mdev); |
| } |
| |
| void mlx5_accel_tls_cleanup(struct mlx5_core_dev *mdev) |
| { |
| mlx5_fpga_tls_cleanup(mdev); |
| } |
| #endif |
| |
| #ifdef CONFIG_MLX5_TLS |
| int mlx5_ktls_create_key(struct mlx5_core_dev *mdev, |
| struct tls_crypto_info *crypto_info, |
| u32 *p_key_id) |
| { |
| u32 sz_bytes; |
| void *key; |
| |
| switch (crypto_info->cipher_type) { |
| case TLS_CIPHER_AES_GCM_128: { |
| struct tls12_crypto_info_aes_gcm_128 *info = |
| (struct tls12_crypto_info_aes_gcm_128 *)crypto_info; |
| |
| key = info->key; |
| sz_bytes = sizeof(info->key); |
| break; |
| } |
| case TLS_CIPHER_AES_GCM_256: { |
| struct tls12_crypto_info_aes_gcm_256 *info = |
| (struct tls12_crypto_info_aes_gcm_256 *)crypto_info; |
| |
| key = info->key; |
| sz_bytes = sizeof(info->key); |
| break; |
| } |
| default: |
| return -EINVAL; |
| } |
| |
| return mlx5_create_encryption_key(mdev, key, sz_bytes, |
| MLX5_ACCEL_OBJ_TLS_KEY, |
| p_key_id); |
| } |
| |
| void mlx5_ktls_destroy_key(struct mlx5_core_dev *mdev, u32 key_id) |
| { |
| mlx5_destroy_encryption_key(mdev, key_id); |
| } |
| #endif |