LXR linux/drivers/net/ethernet/mellanox/mlx5/core/en

   1/*
   2 * Copyright (c) 2018 Mellanox Technologies. All rights reserved.
   3 *
   4 * This software is available to you under a choice of one of two
   5 * licenses.  You may choose to be licensed under the terms of the GNU
   6 * General Public License (GPL) Version 2, available from the file
   7 * COPYING in the main directory of this source tree, or the
   8 * OpenIB.org BSD license below:
   9 *
  10 *     Redistribution and use in source and binary forms, with or
  11 *     without modification, are permitted provided that the following
  12 *     conditions are met:
  13 *
  14 *      - Redistributions of source code must retain the above
  15 *        copyright notice, this list of conditions and the following
  16 *        disclaimer.
  17 *
  18 *      - Redistributions in binary form must reproduce the above
  19 *        copyright notice, this list of conditions and the following
  20 *        disclaimer in the documentation and/or other materials
  21 *        provided with the distribution.
  22 *
  23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  30 * SOFTWARE.
  31 *
  32 */
  33#ifndef __MLX5E_TLS_H__
  34#define __MLX5E_TLS_H__
  35
  36#include "accel/tls.h"
  37#include "en_accel/ktls.h"
  38
  39#ifdef CONFIG_MLX5_EN_TLS
  40#include <net/tls.h>
  41#include "en.h"
  42
  43struct mlx5e_tls_sw_stats {
  44        atomic64_t tx_tls_drop_metadata;
  45        atomic64_t tx_tls_drop_resync_alloc;
  46        atomic64_t tx_tls_drop_no_sync_data;
  47        atomic64_t tx_tls_drop_bypass_required;
  48        atomic64_t rx_tls_drop_resync_request;
  49        atomic64_t rx_tls_resync_request;
  50        atomic64_t rx_tls_resync_reply;
  51        atomic64_t rx_tls_auth_fail;
  52};
  53
  54struct mlx5e_tls {
  55        struct mlx5e_tls_sw_stats sw_stats;
  56};
  57
  58struct mlx5e_tls_offload_context_tx {
  59        struct tls_offload_context_tx base;
  60        u32 expected_seq;
  61        __be32 swid;
  62};
  63
  64static inline struct mlx5e_tls_offload_context_tx *
  65mlx5e_get_tls_tx_context(struct tls_context *tls_ctx)
  66{
  67        BUILD_BUG_ON(sizeof(struct mlx5e_tls_offload_context_tx) >
  68                     TLS_OFFLOAD_CONTEXT_SIZE_TX);
  69        return container_of(tls_offload_ctx_tx(tls_ctx),
  70                            struct mlx5e_tls_offload_context_tx,
  71                            base);
  72}
  73
  74struct mlx5e_tls_offload_context_rx {
  75        struct tls_offload_context_rx base;
  76        __be32 handle;
  77};
  78
  79static inline struct mlx5e_tls_offload_context_rx *
  80mlx5e_get_tls_rx_context(struct tls_context *tls_ctx)
  81{
  82        BUILD_BUG_ON(sizeof(struct mlx5e_tls_offload_context_rx) >
  83                     TLS_OFFLOAD_CONTEXT_SIZE_RX);
  84        return container_of(tls_offload_ctx_rx(tls_ctx),
  85                            struct mlx5e_tls_offload_context_rx,
  86                            base);
  87}
  88
  89void mlx5e_tls_build_netdev(struct mlx5e_priv *priv);
  90int mlx5e_tls_init(struct mlx5e_priv *priv);
  91void mlx5e_tls_cleanup(struct mlx5e_priv *priv);
  92
  93int mlx5e_tls_get_count(struct mlx5e_priv *priv);
  94int mlx5e_tls_get_strings(struct mlx5e_priv *priv, uint8_t *data);
  95int mlx5e_tls_get_stats(struct mlx5e_priv *priv, u64 *data);
  96
  97#else
  98
  99static inline void mlx5e_tls_build_netdev(struct mlx5e_priv *priv)
 100{
 101        if (mlx5_accel_is_ktls_device(priv->mdev))
 102                mlx5e_ktls_build_netdev(priv);
 103}
 104
 105static inline int mlx5e_tls_init(struct mlx5e_priv *priv) { return 0; }
 106static inline void mlx5e_tls_cleanup(struct mlx5e_priv *priv) { }
 107static inline int mlx5e_tls_get_count(struct mlx5e_priv *priv) { return 0; }
 108static inline int mlx5e_tls_get_strings(struct mlx5e_priv *priv, uint8_t *data) { return 0; }
 109static inline int mlx5e_tls_get_stats(struct mlx5e_priv *priv, u64 *data) { return 0; }
 110
 111#endif
 112
 113#endif /* __MLX5E_TLS_H__ */
 114