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#ifdef CONFIG_MLX5_EN_TLS
  37
  38#include <net/tls.h>
  39#include "en.h"
  40
  41struct mlx5e_tls_sw_stats {
  42        atomic64_t tx_tls_drop_metadata;
  43        atomic64_t tx_tls_drop_resync_alloc;
  44        atomic64_t tx_tls_drop_no_sync_data;
  45        atomic64_t tx_tls_drop_bypass_required;
  46        atomic64_t rx_tls_drop_resync_request;
  47        atomic64_t rx_tls_resync_request;
  48        atomic64_t rx_tls_resync_reply;
  49        atomic64_t rx_tls_auth_fail;
  50};
  51
  52struct mlx5e_tls {
  53        struct mlx5e_tls_sw_stats sw_stats;
  54};
  55
  56struct mlx5e_tls_offload_context_tx {
  57        struct tls_offload_context_tx base;
  58        u32 expected_seq;
  59        __be32 swid;
  60};
  61
  62static inline struct mlx5e_tls_offload_context_tx *
  63mlx5e_get_tls_tx_context(struct tls_context *tls_ctx)
  64{
  65        BUILD_BUG_ON(sizeof(struct mlx5e_tls_offload_context_tx) >
  66                     TLS_OFFLOAD_CONTEXT_SIZE_TX);
  67        return container_of(tls_offload_ctx_tx(tls_ctx),
  68                            struct mlx5e_tls_offload_context_tx,
  69                            base);
  70}
  71
  72struct mlx5e_tls_offload_context_rx {
  73        struct tls_offload_context_rx base;
  74        __be32 handle;
  75};
  76
  77static inline struct mlx5e_tls_offload_context_rx *
  78mlx5e_get_tls_rx_context(struct tls_context *tls_ctx)
  79{
  80        BUILD_BUG_ON(sizeof(struct mlx5e_tls_offload_context_rx) >
  81                     TLS_OFFLOAD_CONTEXT_SIZE_RX);
  82        return container_of(tls_offload_ctx_rx(tls_ctx),
  83                            struct mlx5e_tls_offload_context_rx,
  84                            base);
  85}
  86
  87void mlx5e_tls_build_netdev(struct mlx5e_priv *priv);
  88int mlx5e_tls_init(struct mlx5e_priv *priv);
  89void mlx5e_tls_cleanup(struct mlx5e_priv *priv);
  90
  91int mlx5e_tls_get_count(struct mlx5e_priv *priv);
  92int mlx5e_tls_get_strings(struct mlx5e_priv *priv, uint8_t *data);
  93int mlx5e_tls_get_stats(struct mlx5e_priv *priv, u64 *data);
  94
  95#else
  96
  97static inline void mlx5e_tls_build_netdev(struct mlx5e_priv *priv) { }
  98static inline int mlx5e_tls_init(struct mlx5e_priv *priv) { return 0; }
  99static inline void mlx5e_tls_cleanup(struct mlx5e_priv *priv) { }
 100static inline int mlx5e_tls_get_count(struct mlx5e_priv *priv) { return 0; }
 101static inline int mlx5e_tls_get_strings(struct mlx5e_priv *priv, uint8_t *data) { return 0; }
 102static inline int mlx5e_tls_get_stats(struct mlx5e_priv *priv, u64 *data) { return 0; }
 103
 104#endif
 105
 106#endif /* __MLX5E_TLS_H__ */
 107