root/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_stats.c

DEFINITIONS

1. mlx5e_ipsec_get_count
2. mlx5e_ipsec_get_strings
3. mlx5e_ipsec_update_stats
4. mlx5e_ipsec_get_stats

   1 /*
   2  * Copyright (c) 2017 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 
  34 #include <linux/ethtool.h>
  35 #include <net/sock.h>
  36 
  37 #include "en.h"
  38 #include "accel/ipsec.h"
  39 #include "fpga/sdk.h"
  40 #include "en_accel/ipsec.h"
  41 
  42 static const struct counter_desc mlx5e_ipsec_hw_stats_desc[] = {
  43         { MLX5E_DECLARE_STAT(struct mlx5e_ipsec_stats, ipsec_dec_in_packets) },
  44         { MLX5E_DECLARE_STAT(struct mlx5e_ipsec_stats, ipsec_dec_out_packets) },
  45         { MLX5E_DECLARE_STAT(struct mlx5e_ipsec_stats, ipsec_dec_bypass_packets) },
  46         { MLX5E_DECLARE_STAT(struct mlx5e_ipsec_stats, ipsec_enc_in_packets) },
  47         { MLX5E_DECLARE_STAT(struct mlx5e_ipsec_stats, ipsec_enc_out_packets) },
  48         { MLX5E_DECLARE_STAT(struct mlx5e_ipsec_stats, ipsec_enc_bypass_packets) },
  49         { MLX5E_DECLARE_STAT(struct mlx5e_ipsec_stats, ipsec_dec_drop_packets) },
  50         { MLX5E_DECLARE_STAT(struct mlx5e_ipsec_stats, ipsec_dec_auth_fail_packets) },
  51         { MLX5E_DECLARE_STAT(struct mlx5e_ipsec_stats, ipsec_enc_drop_packets) },
  52         { MLX5E_DECLARE_STAT(struct mlx5e_ipsec_stats, ipsec_add_sa_success) },
  53         { MLX5E_DECLARE_STAT(struct mlx5e_ipsec_stats, ipsec_add_sa_fail) },
  54         { MLX5E_DECLARE_STAT(struct mlx5e_ipsec_stats, ipsec_del_sa_success) },
  55         { MLX5E_DECLARE_STAT(struct mlx5e_ipsec_stats, ipsec_del_sa_fail) },
  56         { MLX5E_DECLARE_STAT(struct mlx5e_ipsec_stats, ipsec_cmd_drop) },
  57 };
  58 
  59 static const struct counter_desc mlx5e_ipsec_sw_stats_desc[] = {
  60         { MLX5E_DECLARE_STAT(struct mlx5e_ipsec_sw_stats, ipsec_rx_drop_sp_alloc) },
  61         { MLX5E_DECLARE_STAT(struct mlx5e_ipsec_sw_stats, ipsec_rx_drop_sadb_miss) },
  62         { MLX5E_DECLARE_STAT(struct mlx5e_ipsec_sw_stats, ipsec_rx_drop_syndrome) },
  63         { MLX5E_DECLARE_STAT(struct mlx5e_ipsec_sw_stats, ipsec_tx_drop_bundle) },
  64         { MLX5E_DECLARE_STAT(struct mlx5e_ipsec_sw_stats, ipsec_tx_drop_no_state) },
  65         { MLX5E_DECLARE_STAT(struct mlx5e_ipsec_sw_stats, ipsec_tx_drop_not_ip) },
  66         { MLX5E_DECLARE_STAT(struct mlx5e_ipsec_sw_stats, ipsec_tx_drop_trailer) },
  67         { MLX5E_DECLARE_STAT(struct mlx5e_ipsec_sw_stats, ipsec_tx_drop_metadata) },
  68 };
  69 
  70 #define MLX5E_READ_CTR_ATOMIC64(ptr, dsc, i) \
  71         atomic64_read((atomic64_t *)((char *)(ptr) + (dsc)[i].offset))
  72 
  73 #define NUM_IPSEC_HW_COUNTERS ARRAY_SIZE(mlx5e_ipsec_hw_stats_desc)
  74 #define NUM_IPSEC_SW_COUNTERS ARRAY_SIZE(mlx5e_ipsec_sw_stats_desc)
  75 
  76 #define NUM_IPSEC_COUNTERS (NUM_IPSEC_HW_COUNTERS + NUM_IPSEC_SW_COUNTERS)
  77 
  78 int mlx5e_ipsec_get_count(struct mlx5e_priv *priv)
  79 {
  80         if (!priv->ipsec)
  81                 return 0;
  82 
  83         return NUM_IPSEC_COUNTERS;
  84 }
  85 
  86 int mlx5e_ipsec_get_strings(struct mlx5e_priv *priv, uint8_t *data)
  87 {
  88         unsigned int i, idx = 0;
  89 
  90         if (!priv->ipsec)
  91                 return 0;
  92 
  93         for (i = 0; i < NUM_IPSEC_HW_COUNTERS; i++)
  94                 strcpy(data + (idx++) * ETH_GSTRING_LEN,
  95                        mlx5e_ipsec_hw_stats_desc[i].format);
  96 
  97         for (i = 0; i < NUM_IPSEC_SW_COUNTERS; i++)
  98                 strcpy(data + (idx++) * ETH_GSTRING_LEN,
  99                        mlx5e_ipsec_sw_stats_desc[i].format);
 100 
 101         return NUM_IPSEC_COUNTERS;
 102 }
 103 
 104 void mlx5e_ipsec_update_stats(struct mlx5e_priv *priv)
 105 {
 106         int ret;
 107 
 108         if (!priv->ipsec)
 109                 return;
 110 
 111         ret = mlx5_accel_ipsec_counters_read(priv->mdev, (u64 *)&priv->ipsec->stats,
 112                                              NUM_IPSEC_HW_COUNTERS);
 113         if (ret)
 114                 memset(&priv->ipsec->stats, 0, sizeof(priv->ipsec->stats));
 115 }
 116 
 117 int mlx5e_ipsec_get_stats(struct mlx5e_priv *priv, u64 *data)
 118 {
 119         int i, idx = 0;
 120 
 121         if (!priv->ipsec)
 122                 return 0;
 123 
 124         for (i = 0; i < NUM_IPSEC_HW_COUNTERS; i++)
 125                 data[idx++] = MLX5E_READ_CTR64_CPU(&priv->ipsec->stats,
 126                                                    mlx5e_ipsec_hw_stats_desc, i);
 127 
 128         for (i = 0; i < NUM_IPSEC_SW_COUNTERS; i++)
 129                 data[idx++] = MLX5E_READ_CTR_ATOMIC64(&priv->ipsec->sw_stats,
 130                                                       mlx5e_ipsec_sw_stats_desc, i);
 131 
 132         return NUM_IPSEC_COUNTERS;
 133 }