ipsec_stats.c

  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 "ipsec.h"
 39
 40static const struct counter_desc mlx5e_ipsec_hw_stats_desc[] = {
 41	{ MLX5E_DECLARE_STAT(struct mlx5e_ipsec_hw_stats, ipsec_rx_pkts) },
 42	{ MLX5E_DECLARE_STAT(struct mlx5e_ipsec_hw_stats, ipsec_rx_bytes) },
 43	{ MLX5E_DECLARE_STAT(struct mlx5e_ipsec_hw_stats, ipsec_rx_drop_pkts) },
 44	{ MLX5E_DECLARE_STAT(struct mlx5e_ipsec_hw_stats, ipsec_rx_drop_bytes) },
 45	{ MLX5E_DECLARE_STAT(struct mlx5e_ipsec_hw_stats, ipsec_rx_drop_mismatch_sa_sel) },
 46	{ MLX5E_DECLARE_STAT(struct mlx5e_ipsec_hw_stats, ipsec_tx_pkts) },
 47	{ MLX5E_DECLARE_STAT(struct mlx5e_ipsec_hw_stats, ipsec_tx_bytes) },
 48	{ MLX5E_DECLARE_STAT(struct mlx5e_ipsec_hw_stats, ipsec_tx_drop_pkts) },
 49	{ MLX5E_DECLARE_STAT(struct mlx5e_ipsec_hw_stats, ipsec_tx_drop_bytes) },
 50};
 51
 52static const struct counter_desc mlx5e_ipsec_sw_stats_desc[] = {
 53	{ MLX5E_DECLARE_STAT(struct mlx5e_ipsec_sw_stats, ipsec_rx_drop_sp_alloc) },
 54	{ MLX5E_DECLARE_STAT(struct mlx5e_ipsec_sw_stats, ipsec_rx_drop_sadb_miss) },
 55	{ MLX5E_DECLARE_STAT(struct mlx5e_ipsec_sw_stats, ipsec_tx_drop_bundle) },
 56	{ MLX5E_DECLARE_STAT(struct mlx5e_ipsec_sw_stats, ipsec_tx_drop_no_state) },
 57	{ MLX5E_DECLARE_STAT(struct mlx5e_ipsec_sw_stats, ipsec_tx_drop_not_ip) },
 58	{ MLX5E_DECLARE_STAT(struct mlx5e_ipsec_sw_stats, ipsec_tx_drop_trailer) },
 59};
 60
 61#define MLX5E_READ_CTR_ATOMIC64(ptr, dsc, i) \
 62	atomic64_read((atomic64_t *)((char *)(ptr) + (dsc)[i].offset))
 63
 64#define NUM_IPSEC_HW_COUNTERS ARRAY_SIZE(mlx5e_ipsec_hw_stats_desc)
 65#define NUM_IPSEC_SW_COUNTERS ARRAY_SIZE(mlx5e_ipsec_sw_stats_desc)
 66
 67static MLX5E_DECLARE_STATS_GRP_OP_NUM_STATS(ipsec_hw)
 68{
 69	if (!priv->ipsec)
 70		return 0;
 71
 72	return NUM_IPSEC_HW_COUNTERS;
 73}
 74
 75static inline MLX5E_DECLARE_STATS_GRP_OP_UPDATE_STATS(ipsec_hw) {}
 76
 77static MLX5E_DECLARE_STATS_GRP_OP_FILL_STRS(ipsec_hw)
 78{
 79	unsigned int i;
 80
 81	if (!priv->ipsec)
 82		return;
 83
 84	for (i = 0; i < NUM_IPSEC_HW_COUNTERS; i++)
 85		ethtool_puts(data, mlx5e_ipsec_hw_stats_desc[i].format);
 86}
 87
 88static MLX5E_DECLARE_STATS_GRP_OP_FILL_STATS(ipsec_hw)
 89{
 90	int i;
 91
 92	if (!priv->ipsec)
 93		return;
 94
 95	mlx5e_accel_ipsec_fs_read_stats(priv, &priv->ipsec->hw_stats);
 96	for (i = 0; i < NUM_IPSEC_HW_COUNTERS; i++)
 97		mlx5e_ethtool_put_stat(
 98			data,
 99			MLX5E_READ_CTR_ATOMIC64(&priv->ipsec->hw_stats,
100						mlx5e_ipsec_hw_stats_desc, i));
101}
102
103static MLX5E_DECLARE_STATS_GRP_OP_NUM_STATS(ipsec_sw)
104{
105	return priv->ipsec ? NUM_IPSEC_SW_COUNTERS : 0;
106}
107
108static inline MLX5E_DECLARE_STATS_GRP_OP_UPDATE_STATS(ipsec_sw) {}
109
110static MLX5E_DECLARE_STATS_GRP_OP_FILL_STRS(ipsec_sw)
111{
112	unsigned int i;
113
114	if (priv->ipsec)
115		for (i = 0; i < NUM_IPSEC_SW_COUNTERS; i++)
116			ethtool_puts(data, mlx5e_ipsec_sw_stats_desc[i].format);
117}
118
119static MLX5E_DECLARE_STATS_GRP_OP_FILL_STATS(ipsec_sw)
120{
121	int i;
122
123	if (priv->ipsec)
124		for (i = 0; i < NUM_IPSEC_SW_COUNTERS; i++)
125			mlx5e_ethtool_put_stat(
126				data, MLX5E_READ_CTR_ATOMIC64(
127					      &priv->ipsec->sw_stats,
128					      mlx5e_ipsec_sw_stats_desc, i));
129}
130
131MLX5E_DEFINE_STATS_GRP(ipsec_hw, 0);
132MLX5E_DEFINE_STATS_GRP(ipsec_sw, 0);