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 
40 static 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 
51 static 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_rx_drop_syndrome) },
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 
67 static 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 
75 static inline MLX5E_DECLARE_STATS_GRP_OP_UPDATE_STATS(ipsec_hw) {}
76 
77 static MLX5E_DECLARE_STATS_GRP_OP_FILL_STRS(ipsec_hw)
78 {
79 	unsigned int i;
80 
81 	if (!priv->ipsec)
82 		return idx;
83 
84 	for (i = 0; i < NUM_IPSEC_HW_COUNTERS; i++)
85 		strcpy(data + (idx++) * ETH_GSTRING_LEN,
86 		       mlx5e_ipsec_hw_stats_desc[i].format);
87 
88 	return idx;
89 }
90 
91 static MLX5E_DECLARE_STATS_GRP_OP_FILL_STATS(ipsec_hw)
92 {
93 	int i;
94 
95 	if (!priv->ipsec)
96 		return idx;
97 
98 	mlx5e_accel_ipsec_fs_read_stats(priv, &priv->ipsec->hw_stats);
99 	for (i = 0; i < NUM_IPSEC_HW_COUNTERS; i++)
100 		data[idx++] = MLX5E_READ_CTR_ATOMIC64(&priv->ipsec->hw_stats,
101 						      mlx5e_ipsec_hw_stats_desc, i);
102 
103 	return idx;
104 }
105 
106 static MLX5E_DECLARE_STATS_GRP_OP_NUM_STATS(ipsec_sw)
107 {
108 	return priv->ipsec ? NUM_IPSEC_SW_COUNTERS : 0;
109 }
110 
111 static inline MLX5E_DECLARE_STATS_GRP_OP_UPDATE_STATS(ipsec_sw) {}
112 
113 static MLX5E_DECLARE_STATS_GRP_OP_FILL_STRS(ipsec_sw)
114 {
115 	unsigned int i;
116 
117 	if (priv->ipsec)
118 		for (i = 0; i < NUM_IPSEC_SW_COUNTERS; i++)
119 			strcpy(data + (idx++) * ETH_GSTRING_LEN,
120 			       mlx5e_ipsec_sw_stats_desc[i].format);
121 	return idx;
122 }
123 
124 static MLX5E_DECLARE_STATS_GRP_OP_FILL_STATS(ipsec_sw)
125 {
126 	int i;
127 
128 	if (priv->ipsec)
129 		for (i = 0; i < NUM_IPSEC_SW_COUNTERS; i++)
130 			data[idx++] = MLX5E_READ_CTR_ATOMIC64(&priv->ipsec->sw_stats,
131 							      mlx5e_ipsec_sw_stats_desc, i);
132 	return idx;
133 }
134 
135 MLX5E_DEFINE_STATS_GRP(ipsec_hw, 0);
136 MLX5E_DEFINE_STATS_GRP(ipsec_sw, 0);
137