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/*
* 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.
*
*/
#ifndef __MLX5E_TLS_H__
#define __MLX5E_TLS_H__
#include "accel/tls.h"
#include "en_accel/ktls.h"
#ifdef CONFIG_MLX5_EN_TLS
#include <net/tls.h>
#include "en.h"
struct mlx5e_tls_sw_stats {
atomic64_t tx_tls_ctx;
atomic64_t tx_tls_del;
atomic64_t tx_tls_drop_metadata;
atomic64_t tx_tls_drop_resync_alloc;
atomic64_t tx_tls_drop_no_sync_data;
atomic64_t tx_tls_drop_bypass_required;
atomic64_t rx_tls_ctx;
atomic64_t rx_tls_del;
atomic64_t rx_tls_drop_resync_request;
atomic64_t rx_tls_resync_request;
atomic64_t rx_tls_resync_reply;
atomic64_t rx_tls_auth_fail;
};
struct mlx5e_tls {
struct mlx5e_tls_sw_stats sw_stats;
struct workqueue_struct *rx_wq;
};
struct mlx5e_tls_offload_context_tx {
struct tls_offload_context_tx base;
u32 expected_seq;
__be32 swid;
};
static inline struct mlx5e_tls_offload_context_tx *
mlx5e_get_tls_tx_context(struct tls_context *tls_ctx)
{
BUILD_BUG_ON(sizeof(struct mlx5e_tls_offload_context_tx) >
TLS_OFFLOAD_CONTEXT_SIZE_TX);
return container_of(tls_offload_ctx_tx(tls_ctx),
struct mlx5e_tls_offload_context_tx,
base);
}
struct mlx5e_tls_offload_context_rx {
struct tls_offload_context_rx base;
__be32 handle;
};
static inline struct mlx5e_tls_offload_context_rx *
mlx5e_get_tls_rx_context(struct tls_context *tls_ctx)
{
BUILD_BUG_ON(sizeof(struct mlx5e_tls_offload_context_rx) >
TLS_OFFLOAD_CONTEXT_SIZE_RX);
return container_of(tls_offload_ctx_rx(tls_ctx),
struct mlx5e_tls_offload_context_rx,
base);
}
static inline bool mlx5e_is_tls_on(struct mlx5e_priv *priv)
{
return priv->tls;
}
void mlx5e_tls_build_netdev(struct mlx5e_priv *priv);
int mlx5e_tls_init(struct mlx5e_priv *priv);
void mlx5e_tls_cleanup(struct mlx5e_priv *priv);
int mlx5e_tls_get_count(struct mlx5e_priv *priv);
int mlx5e_tls_get_strings(struct mlx5e_priv *priv, uint8_t *data);
int mlx5e_tls_get_stats(struct mlx5e_priv *priv, u64 *data);
static inline bool mlx5e_accel_is_tls_device(struct mlx5_core_dev *mdev)
{
return !is_kdump_kernel() &&
mlx5_accel_is_tls_device(mdev);
}
#else
static inline void mlx5e_tls_build_netdev(struct mlx5e_priv *priv)
{
if (!is_kdump_kernel() &&
mlx5_accel_is_ktls_device(priv->mdev))
mlx5e_ktls_build_netdev(priv);
}
static inline bool mlx5e_is_tls_on(struct mlx5e_priv *priv) { return false; }
static inline int mlx5e_tls_init(struct mlx5e_priv *priv) { return 0; }
static inline void mlx5e_tls_cleanup(struct mlx5e_priv *priv) { }
static inline int mlx5e_tls_get_count(struct mlx5e_priv *priv) { return 0; }
static inline int mlx5e_tls_get_strings(struct mlx5e_priv *priv, uint8_t *data) { return 0; }
static inline int mlx5e_tls_get_stats(struct mlx5e_priv *priv, u64 *data) { return 0; }
static inline bool mlx5e_accel_is_tls_device(struct mlx5_core_dev *mdev) { return false; }
#endif
#endif /* __MLX5E_TLS_H__ */
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