| /* |
| * 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__ */ |