1// SPDX-License-Identifier: ISC
2/*
3 * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>
4 */
5
6#include <linux/debugfs.h>
7#include "mt76x02.h"
8
9static int
10mt76x02_ampdu_stat_show(struct seq_file *file, void *data)
11{
12 struct mt76x02_dev *dev = file->private;
13 int i, j;
14
15 for (i = 0; i < 4; i++) {
16 seq_puts(m: file, s: "Length: ");
17 for (j = 0; j < 8; j++)
18 seq_printf(m: file, fmt: "%8d | ", i * 8 + j + 1);
19 seq_puts(m: file, s: "\n");
20 seq_puts(m: file, s: "Count: ");
21 for (j = 0; j < 8; j++)
22 seq_printf(m: file, fmt: "%8d | ",
23 dev->mphy.aggr_stats[i * 8 + j]);
24 seq_puts(m: file, s: "\n");
25 seq_puts(m: file, s: "--------");
26 for (j = 0; j < 8; j++)
27 seq_puts(m: file, s: "-----------");
28 seq_puts(m: file, s: "\n");
29 }
30
31 return 0;
32}
33
34DEFINE_SHOW_ATTRIBUTE(mt76x02_ampdu_stat);
35
36static int read_txpower(struct seq_file *file, void *data)
37{
38 struct mt76x02_dev *dev = dev_get_drvdata(dev: file->private);
39
40 seq_printf(m: file, fmt: "Target power: %d\n", dev->target_power);
41
42 mt76_seq_puts_array(file, str: "Delta", val: dev->target_power_delta,
43 ARRAY_SIZE(dev->target_power_delta));
44 return 0;
45}
46
47static int
48mt76x02_dfs_stat_show(struct seq_file *file, void *data)
49{
50 struct mt76x02_dev *dev = file->private;
51 struct mt76x02_dfs_pattern_detector *dfs_pd = &dev->dfs_pd;
52 int i;
53
54 seq_printf(m: file, fmt: "allocated sequences:\t%d\n",
55 dfs_pd->seq_stats.seq_pool_len);
56 seq_printf(m: file, fmt: "used sequences:\t\t%d\n",
57 dfs_pd->seq_stats.seq_len);
58 seq_puts(m: file, s: "\n");
59
60 for (i = 0; i < MT_DFS_NUM_ENGINES; i++) {
61 seq_printf(m: file, fmt: "engine: %d\n", i);
62 seq_printf(m: file, fmt: " hw pattern detected:\t%d\n",
63 dfs_pd->stats[i].hw_pattern);
64 seq_printf(m: file, fmt: " hw pulse discarded:\t%d\n",
65 dfs_pd->stats[i].hw_pulse_discarded);
66 seq_printf(m: file, fmt: " sw pattern detected:\t%d\n",
67 dfs_pd->stats[i].sw_pattern);
68 }
69
70 return 0;
71}
72
73DEFINE_SHOW_ATTRIBUTE(mt76x02_dfs_stat);
74
75static int read_agc(struct seq_file *file, void *data)
76{
77 struct mt76x02_dev *dev = dev_get_drvdata(dev: file->private);
78
79 seq_printf(m: file, fmt: "avg_rssi: %d\n", dev->cal.avg_rssi_all);
80 seq_printf(m: file, fmt: "low_gain: %d\n", dev->cal.low_gain);
81 seq_printf(m: file, fmt: "false_cca: %d\n", dev->cal.false_cca);
82 seq_printf(m: file, fmt: "agc_gain_adjust: %d\n", dev->cal.agc_gain_adjust);
83
84 return 0;
85}
86
87static int
88mt76_edcca_set(void *data, u64 val)
89{
90 struct mt76x02_dev *dev = data;
91 enum nl80211_dfs_regions region = dev->mt76.region;
92
93 mutex_lock(&dev->mt76.mutex);
94
95 dev->ed_monitor_enabled = !!val;
96 dev->ed_monitor = dev->ed_monitor_enabled &&
97 region == NL80211_DFS_ETSI;
98 mt76x02_edcca_init(dev);
99
100 mutex_unlock(lock: &dev->mt76.mutex);
101
102 return 0;
103}
104
105static int
106mt76_edcca_get(void *data, u64 *val)
107{
108 struct mt76x02_dev *dev = data;
109
110 *val = dev->ed_monitor_enabled;
111 return 0;
112}
113
114DEFINE_DEBUGFS_ATTRIBUTE(fops_edcca, mt76_edcca_get, mt76_edcca_set,
115 "%lld\n");
116
117static int mt76x02_read_rate_txpower(struct seq_file *s, void *data)
118{
119 struct mt76x02_dev *dev = dev_get_drvdata(dev: s->private);
120
121 mt76_seq_puts_array(file: s, str: "CCK", val: dev->rate_power.cck,
122 ARRAY_SIZE(dev->rate_power.cck));
123 mt76_seq_puts_array(file: s, str: "OFDM", val: dev->rate_power.ofdm,
124 ARRAY_SIZE(dev->rate_power.ofdm));
125 mt76_seq_puts_array(file: s, str: "HT", val: dev->rate_power.ht,
126 ARRAY_SIZE(dev->rate_power.ht));
127 mt76_seq_puts_array(file: s, str: "VHT", val: dev->rate_power.vht,
128 ARRAY_SIZE(dev->rate_power.vht));
129 return 0;
130}
131
132void mt76x02_init_debugfs(struct mt76x02_dev *dev)
133{
134 struct dentry *dir;
135
136 dir = mt76_register_debugfs(dev: &dev->mt76);
137 if (!dir)
138 return;
139
140 debugfs_create_devm_seqfile(dev: dev->mt76.dev, name: "xmit-queues", parent: dir,
141 read_fn: mt76_queues_read);
142 debugfs_create_u8(name: "temperature", mode: 0400, parent: dir, value: &dev->cal.temp);
143 debugfs_create_bool(name: "tpc", mode: 0600, parent: dir, value: &dev->enable_tpc);
144
145 debugfs_create_file(name: "edcca", mode: 0600, parent: dir, data: dev, fops: &fops_edcca);
146 debugfs_create_file(name: "ampdu_stat", mode: 0400, parent: dir, data: dev, fops: &mt76x02_ampdu_stat_fops);
147 debugfs_create_file(name: "dfs_stats", mode: 0400, parent: dir, data: dev, fops: &mt76x02_dfs_stat_fops);
148 debugfs_create_devm_seqfile(dev: dev->mt76.dev, name: "txpower", parent: dir,
149 read_fn: read_txpower);
150
151 debugfs_create_devm_seqfile(dev: dev->mt76.dev, name: "rate_txpower", parent: dir,
152 read_fn: mt76x02_read_rate_txpower);
153 debugfs_create_devm_seqfile(dev: dev->mt76.dev, name: "agc", parent: dir, read_fn: read_agc);
154
155 debugfs_create_u32(name: "tx_hang_reset", mode: 0400, parent: dir, value: &dev->tx_hang_reset);
156}
157EXPORT_SYMBOL_GPL(mt76x02_init_debugfs);
158

source code of linux/drivers/net/wireless/mediatek/mt76/mt76x02_debugfs.c