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 "accel/tls.h"
39 #include "fpga/sdk.h"
40 #include "en_accel/tls.h"
41
42 static const struct counter_desc mlx5e_tls_sw_stats_desc[] = {
43 { MLX5E_DECLARE_STAT(struct mlx5e_tls_sw_stats, tx_tls_drop_metadata) },
44 { MLX5E_DECLARE_STAT(struct mlx5e_tls_sw_stats, tx_tls_drop_resync_alloc) },
45 { MLX5E_DECLARE_STAT(struct mlx5e_tls_sw_stats, tx_tls_drop_no_sync_data) },
46 { MLX5E_DECLARE_STAT(struct mlx5e_tls_sw_stats, tx_tls_drop_bypass_required) },
47 };
48
49 #define MLX5E_READ_CTR_ATOMIC64(ptr, dsc, i) \
50 atomic64_read((atomic64_t *)((char *)(ptr) + (dsc)[i].offset))
51
52 #define NUM_TLS_SW_COUNTERS ARRAY_SIZE(mlx5e_tls_sw_stats_desc)
53
54 int mlx5e_tls_get_count(struct mlx5e_priv *priv)
55 {
56 if (!priv->tls)
57 return 0;
58
59 return NUM_TLS_SW_COUNTERS;
60 }
61
62 int mlx5e_tls_get_strings(struct mlx5e_priv *priv, uint8_t *data)
63 {
64 unsigned int i, idx = 0;
65
66 if (!priv->tls)
67 return 0;
68
69 for (i = 0; i < NUM_TLS_SW_COUNTERS; i++)
70 strcpy(data + (idx++) * ETH_GSTRING_LEN,
71 mlx5e_tls_sw_stats_desc[i].format);
72
73 return NUM_TLS_SW_COUNTERS;
74 }
75
76 int mlx5e_tls_get_stats(struct mlx5e_priv *priv, u64 *data)
77 {
78 int i, idx = 0;
79
80 if (!priv->tls)
81 return 0;
82
83 for (i = 0; i < NUM_TLS_SW_COUNTERS; i++)
84 data[idx++] =
85 MLX5E_READ_CTR_ATOMIC64(&priv->tls->sw_stats,
86 mlx5e_tls_sw_stats_desc, i);
87
88 return NUM_TLS_SW_COUNTERS;
89 }