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
61int mlx5e_ktls_get_strings(struct mlx5e_priv *priv, uint8_t *data)
62{
63	unsigned int i, n, idx = 0;
64
65	if (!priv->tls)
66		return 0;
67
68	n = mlx5e_ktls_get_count(priv);
69
70	for (i = 0; i < n; i++)
71		strcpy(data + (idx++) * ETH_GSTRING_LEN,
72		       mlx5e_ktls_sw_stats_desc[i].format);
73
74	return n;
75}
76
77int mlx5e_ktls_get_stats(struct mlx5e_priv *priv, u64 *data)
78{
79	unsigned int i, n, idx = 0;
80
81	if (!priv->tls)
82		return 0;
83
84	n = mlx5e_ktls_get_count(priv);
85
86	for (i = 0; i < n; i++)
87		data[idx++] = MLX5E_READ_CTR_ATOMIC64(&priv->tls->sw_stats,
88						      mlx5e_ktls_sw_stats_desc,
89						      i);
90
91	return n;
92}
93