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_tx_pkts) },
46	{ MLX5E_DECLARE_STAT(struct mlx5e_ipsec_hw_stats, ipsec_tx_bytes) },
47	{ MLX5E_DECLARE_STAT(struct mlx5e_ipsec_hw_stats, ipsec_tx_drop_pkts) },
48	{ MLX5E_DECLARE_STAT(struct mlx5e_ipsec_hw_stats, ipsec_tx_drop_bytes) },
49};
50
51static const struct counter_desc mlx5e_ipsec_sw_stats_desc[] = {
52	{ MLX5E_DECLARE_STAT(struct mlx5e_ipsec_sw_stats, ipsec_rx_drop_sp_alloc) },
53	{ MLX5E_DECLARE_STAT(struct mlx5e_ipsec_sw_stats, ipsec_rx_drop_sadb_miss) },
54	{ MLX5E_DECLARE_STAT(struct mlx5e_ipsec_sw_stats, ipsec_tx_drop_bundle) },
55	{ MLX5E_DECLARE_STAT(struct mlx5e_ipsec_sw_stats, ipsec_tx_drop_no_state) },
56	{ MLX5E_DECLARE_STAT(struct mlx5e_ipsec_sw_stats, ipsec_tx_drop_not_ip) },
57	{ MLX5E_DECLARE_STAT(struct mlx5e_ipsec_sw_stats, ipsec_tx_drop_trailer) },
58};
59
60#define MLX5E_READ_CTR_ATOMIC64(ptr, dsc, i) \
61	atomic64_read((atomic64_t *)((char *)(ptr) + (dsc)[i].offset))
62
63#define NUM_IPSEC_HW_COUNTERS ARRAY_SIZE(mlx5e_ipsec_hw_stats_desc)
64#define NUM_IPSEC_SW_COUNTERS ARRAY_SIZE(mlx5e_ipsec_sw_stats_desc)
65
66static MLX5E_DECLARE_STATS_GRP_OP_NUM_STATS(ipsec_hw)
67{
68	if (!priv->ipsec)
69		return 0;
70
71	return NUM_IPSEC_HW_COUNTERS;
72}
73
74static inline MLX5E_DECLARE_STATS_GRP_OP_UPDATE_STATS(ipsec_hw) {}
75
76static MLX5E_DECLARE_STATS_GRP_OP_FILL_STRS(ipsec_hw)
77{
78	unsigned int i;
79
80	if (!priv->ipsec)
81		return idx;
82
83	for (i = 0; i < NUM_IPSEC_HW_COUNTERS; i++)
84		strcpy(data + (idx++) * ETH_GSTRING_LEN,
85		       mlx5e_ipsec_hw_stats_desc[i].format);
86
87	return idx;
88}
89
90static MLX5E_DECLARE_STATS_GRP_OP_FILL_STATS(ipsec_hw)
91{
92	int i;
93
94	if (!priv->ipsec)
95		return idx;
96
97	mlx5e_accel_ipsec_fs_read_stats(priv, &priv->ipsec->hw_stats);
98	for (i = 0; i < NUM_IPSEC_HW_COUNTERS; i++)
99		data[idx++] = MLX5E_READ_CTR_ATOMIC64(&priv->ipsec->hw_stats,
100						      mlx5e_ipsec_hw_stats_desc, i);
101
102	return idx;
103}
104
105static MLX5E_DECLARE_STATS_GRP_OP_NUM_STATS(ipsec_sw)
106{
107	return priv->ipsec ? NUM_IPSEC_SW_COUNTERS : 0;
108}
109
110static inline MLX5E_DECLARE_STATS_GRP_OP_UPDATE_STATS(ipsec_sw) {}
111
112static MLX5E_DECLARE_STATS_GRP_OP_FILL_STRS(ipsec_sw)
113{
114	unsigned int i;
115
116	if (priv->ipsec)
117		for (i = 0; i < NUM_IPSEC_SW_COUNTERS; i++)
118			strcpy(data + (idx++) * ETH_GSTRING_LEN,
119			       mlx5e_ipsec_sw_stats_desc[i].format);
120	return idx;
121}
122
123static MLX5E_DECLARE_STATS_GRP_OP_FILL_STATS(ipsec_sw)
124{
125	int i;
126
127	if (priv->ipsec)
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	return idx;
132}
133
134MLX5E_DEFINE_STATS_GRP(ipsec_hw, 0);
135MLX5E_DEFINE_STATS_GRP(ipsec_sw, 0);
136