/*
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* Copyright (c) 2018 Mellanox Technologies. All rights reserved.
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*
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* This software is available to you under a choice of one of two
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* licenses. You may choose to be licensed under the terms of the GNU
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* General Public License (GPL) Version 2, available from the file
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* COPYING in the main directory of this source tree, or the
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* OpenIB.org BSD license below:
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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*
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* - Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the following
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* disclaimer.
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*
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* - Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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*/
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#include <linux/mlx5/device.h>
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#include "accel/tls.h"
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#include "mlx5_core.h"
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#include "lib/mlx5.h"
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#ifdef CONFIG_MLX5_FPGA_TLS
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#include "fpga/tls.h"
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int mlx5_accel_tls_add_flow(struct mlx5_core_dev *mdev, void *flow,
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struct tls_crypto_info *crypto_info,
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u32 start_offload_tcp_sn, u32 *p_swid,
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bool direction_sx)
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{
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return mlx5_fpga_tls_add_flow(mdev, flow, crypto_info,
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start_offload_tcp_sn, p_swid,
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direction_sx);
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}
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void mlx5_accel_tls_del_flow(struct mlx5_core_dev *mdev, u32 swid,
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bool direction_sx)
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{
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mlx5_fpga_tls_del_flow(mdev, swid, GFP_KERNEL, direction_sx);
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}
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int mlx5_accel_tls_resync_rx(struct mlx5_core_dev *mdev, __be32 handle,
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u32 seq, __be64 rcd_sn)
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{
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return mlx5_fpga_tls_resync_rx(mdev, handle, seq, rcd_sn);
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}
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bool mlx5_accel_is_tls_device(struct mlx5_core_dev *mdev)
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{
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return mlx5_fpga_is_tls_device(mdev) ||
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mlx5_accel_is_ktls_device(mdev);
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}
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u32 mlx5_accel_tls_device_caps(struct mlx5_core_dev *mdev)
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{
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return mlx5_fpga_tls_device_caps(mdev);
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}
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int mlx5_accel_tls_init(struct mlx5_core_dev *mdev)
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{
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return mlx5_fpga_tls_init(mdev);
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}
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void mlx5_accel_tls_cleanup(struct mlx5_core_dev *mdev)
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{
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mlx5_fpga_tls_cleanup(mdev);
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}
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#endif
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#ifdef CONFIG_MLX5_TLS
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int mlx5_ktls_create_key(struct mlx5_core_dev *mdev,
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struct tls_crypto_info *crypto_info,
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u32 *p_key_id)
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{
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u32 sz_bytes;
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void *key;
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switch (crypto_info->cipher_type) {
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case TLS_CIPHER_AES_GCM_128: {
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struct tls12_crypto_info_aes_gcm_128 *info =
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(struct tls12_crypto_info_aes_gcm_128 *)crypto_info;
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key = info->key;
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sz_bytes = sizeof(info->key);
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break;
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}
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case TLS_CIPHER_AES_GCM_256: {
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struct tls12_crypto_info_aes_gcm_256 *info =
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(struct tls12_crypto_info_aes_gcm_256 *)crypto_info;
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key = info->key;
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sz_bytes = sizeof(info->key);
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break;
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}
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default:
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return -EINVAL;
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}
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return mlx5_create_encryption_key(mdev, key, sz_bytes,
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MLX5_ACCEL_OBJ_TLS_KEY,
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p_key_id);
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}
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void mlx5_ktls_destroy_key(struct mlx5_core_dev *mdev, u32 key_id)
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{
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mlx5_destroy_encryption_key(mdev, key_id);
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}
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#endif
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