ktls_stats.c

 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
34#include <linux/ethtool.h>
35#include <net/sock.h>
36
37#include "en.h"
38#include "fpga/sdk.h"
39#include "en_accel/ktls.h"
40
41static const struct counter_desc mlx5e_ktls_sw_stats_desc[] = {
42	{ MLX5E_DECLARE_STAT(struct mlx5e_tls_sw_stats, tx_tls_ctx) },
43	{ MLX5E_DECLARE_STAT(struct mlx5e_tls_sw_stats, tx_tls_del) },
44	{ MLX5E_DECLARE_STAT(struct mlx5e_tls_sw_stats, tx_tls_pool_alloc) },
45	{ MLX5E_DECLARE_STAT(struct mlx5e_tls_sw_stats, tx_tls_pool_free) },
46	{ MLX5E_DECLARE_STAT(struct mlx5e_tls_sw_stats, rx_tls_ctx) },
47	{ MLX5E_DECLARE_STAT(struct mlx5e_tls_sw_stats, rx_tls_del) },
48};
49
50#define MLX5E_READ_CTR_ATOMIC64(ptr, dsc, i) \
51	atomic64_read((atomic64_t *)((char *)(ptr) + (dsc)[i].offset))
52
53int mlx5e_ktls_get_count(struct mlx5e_priv *priv)
54{
55	if (!priv->tls)
56		return 0;
57
58	return ARRAY_SIZE(mlx5e_ktls_sw_stats_desc);
59}
60
61void mlx5e_ktls_get_strings(struct mlx5e_priv *priv, u8 **data)
62{
63	unsigned int i, n;
64
65	if (!priv->tls)
66		return;
67
68	n = mlx5e_ktls_get_count(priv);
69
70	for (i = 0; i < n; i++)
71		ethtool_puts(data, mlx5e_ktls_sw_stats_desc[i].format);
72}
73
74void mlx5e_ktls_get_stats(struct mlx5e_priv *priv, u64 **data)
75{
76	unsigned int i, n;
77
78	if (!priv->tls)
79		return;
80
81	n = mlx5e_ktls_get_count(priv);
82
83	for (i = 0; i < n; i++)
84		mlx5e_ethtool_put_stat(
85			data,
86			MLX5E_READ_CTR_ATOMIC64(&priv->tls->sw_stats,
87						mlx5e_ktls_sw_stats_desc, i));
88}