/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
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/* Copyright (c) 2020, Mellanox Technologies inc. All rights reserved. */
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#ifndef __MLX5E_KTLS_UTILS_H__
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#define __MLX5E_KTLS_UTILS_H__
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#include <net/tls.h>
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#include "en.h"
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#include "accel/tls.h"
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enum {
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MLX5E_TLS_PROGRESS_PARAMS_AUTH_STATE_NO_OFFLOAD = 0,
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MLX5E_TLS_PROGRESS_PARAMS_AUTH_STATE_OFFLOAD = 1,
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MLX5E_TLS_PROGRESS_PARAMS_AUTH_STATE_AUTHENTICATION = 2,
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};
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enum {
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MLX5E_TLS_PROGRESS_PARAMS_RECORD_TRACKER_STATE_START = 0,
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MLX5E_TLS_PROGRESS_PARAMS_RECORD_TRACKER_STATE_TRACKING = 1,
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MLX5E_TLS_PROGRESS_PARAMS_RECORD_TRACKER_STATE_SEARCHING = 2,
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};
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int mlx5e_ktls_add_tx(struct net_device *netdev, struct sock *sk,
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struct tls_crypto_info *crypto_info, u32 start_offload_tcp_sn);
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void mlx5e_ktls_del_tx(struct net_device *netdev, struct tls_context *tls_ctx);
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int mlx5e_ktls_add_rx(struct net_device *netdev, struct sock *sk,
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struct tls_crypto_info *crypto_info, u32 start_offload_tcp_sn);
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void mlx5e_ktls_del_rx(struct net_device *netdev, struct tls_context *tls_ctx);
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void mlx5e_ktls_rx_resync(struct net_device *netdev, struct sock *sk, u32 seq, u8 *rcd_sn);
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struct mlx5e_set_tls_static_params_wqe {
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struct mlx5_wqe_ctrl_seg ctrl;
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struct mlx5_wqe_umr_ctrl_seg uctrl;
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struct mlx5_mkey_seg mkc;
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struct mlx5_wqe_tls_static_params_seg params;
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};
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struct mlx5e_set_tls_progress_params_wqe {
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struct mlx5_wqe_ctrl_seg ctrl;
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struct mlx5_wqe_tls_progress_params_seg params;
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};
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struct mlx5e_get_tls_progress_params_wqe {
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struct mlx5_wqe_ctrl_seg ctrl;
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struct mlx5_seg_get_psv psv;
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};
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#define MLX5E_TLS_SET_STATIC_PARAMS_WQEBBS \
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(DIV_ROUND_UP(sizeof(struct mlx5e_set_tls_static_params_wqe), MLX5_SEND_WQE_BB))
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#define MLX5E_TLS_SET_PROGRESS_PARAMS_WQEBBS \
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(DIV_ROUND_UP(sizeof(struct mlx5e_set_tls_progress_params_wqe), MLX5_SEND_WQE_BB))
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#define MLX5E_KTLS_GET_PROGRESS_WQEBBS \
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(DIV_ROUND_UP(sizeof(struct mlx5e_get_tls_progress_params_wqe), MLX5_SEND_WQE_BB))
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#define MLX5E_TLS_FETCH_SET_STATIC_PARAMS_WQE(sq, pi) \
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((struct mlx5e_set_tls_static_params_wqe *)\
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mlx5e_fetch_wqe(&(sq)->wq, pi, sizeof(struct mlx5e_set_tls_static_params_wqe)))
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#define MLX5E_TLS_FETCH_SET_PROGRESS_PARAMS_WQE(sq, pi) \
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((struct mlx5e_set_tls_progress_params_wqe *)\
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mlx5e_fetch_wqe(&(sq)->wq, pi, sizeof(struct mlx5e_set_tls_progress_params_wqe)))
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#define MLX5E_TLS_FETCH_GET_PROGRESS_PARAMS_WQE(sq, pi) \
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((struct mlx5e_get_tls_progress_params_wqe *)\
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mlx5e_fetch_wqe(&(sq)->wq, pi, sizeof(struct mlx5e_get_tls_progress_params_wqe)))
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#define MLX5E_TLS_FETCH_DUMP_WQE(sq, pi) \
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((struct mlx5e_dump_wqe *)\
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mlx5e_fetch_wqe(&(sq)->wq, pi, sizeof(struct mlx5e_dump_wqe)))
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void
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mlx5e_ktls_build_static_params(struct mlx5e_set_tls_static_params_wqe *wqe,
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u16 pc, u32 sqn,
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struct tls12_crypto_info_aes_gcm_128 *info,
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u32 tis_tir_num, u32 key_id, u32 resync_tcp_sn,
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bool fence, enum tls_offload_ctx_dir direction);
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void
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mlx5e_ktls_build_progress_params(struct mlx5e_set_tls_progress_params_wqe *wqe,
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u16 pc, u32 sqn,
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u32 tis_tir_num, bool fence,
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u32 next_record_tcp_sn,
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enum tls_offload_ctx_dir direction);
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#endif /* __MLX5E_TLS_UTILS_H__ */
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