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
9 static int
mt76x02_ampdu_stat_show(struct seq_file * file,void * data)10 mt76x02_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(file, "Length: ");
17 for (j = 0; j < 8; j++)
18 seq_printf(file, "%8d | ", i * 8 + j + 1);
19 seq_puts(file, "\n");
20 seq_puts(file, "Count: ");
21 for (j = 0; j < 8; j++)
22 seq_printf(file, "%8d | ",
23 dev->mphy.aggr_stats[i * 8 + j]);
24 seq_puts(file, "\n");
25 seq_puts(file, "--------");
26 for (j = 0; j < 8; j++)
27 seq_puts(file, "-----------");
28 seq_puts(file, "\n");
29 }
30
31 return 0;
32 }
33
34 DEFINE_SHOW_ATTRIBUTE(mt76x02_ampdu_stat);
35
read_txpower(struct seq_file * file,void * data)36 static int read_txpower(struct seq_file *file, void *data)
37 {
38 struct mt76x02_dev *dev = dev_get_drvdata(file->private);
39
40 seq_printf(file, "Target power: %d\n", dev->target_power);
41
42 mt76_seq_puts_array(file, "Delta", dev->target_power_delta,
43 ARRAY_SIZE(dev->target_power_delta));
44 return 0;
45 }
46
47 static int
mt76x02_dfs_stat_show(struct seq_file * file,void * data)48 mt76x02_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(file, "allocated sequences:\t%d\n",
55 dfs_pd->seq_stats.seq_pool_len);
56 seq_printf(file, "used sequences:\t\t%d\n",
57 dfs_pd->seq_stats.seq_len);
58 seq_puts(file, "\n");
59
60 for (i = 0; i < MT_DFS_NUM_ENGINES; i++) {
61 seq_printf(file, "engine: %d\n", i);
62 seq_printf(file, " hw pattern detected:\t%d\n",
63 dfs_pd->stats[i].hw_pattern);
64 seq_printf(file, " hw pulse discarded:\t%d\n",
65 dfs_pd->stats[i].hw_pulse_discarded);
66 seq_printf(file, " sw pattern detected:\t%d\n",
67 dfs_pd->stats[i].sw_pattern);
68 }
69
70 return 0;
71 }
72
73 DEFINE_SHOW_ATTRIBUTE(mt76x02_dfs_stat);
74
read_agc(struct seq_file * file,void * data)75 static int read_agc(struct seq_file *file, void *data)
76 {
77 struct mt76x02_dev *dev = dev_get_drvdata(file->private);
78
79 seq_printf(file, "avg_rssi: %d\n", dev->cal.avg_rssi_all);
80 seq_printf(file, "low_gain: %d\n", dev->cal.low_gain);
81 seq_printf(file, "false_cca: %d\n", dev->cal.false_cca);
82 seq_printf(file, "agc_gain_adjust: %d\n", dev->cal.agc_gain_adjust);
83
84 return 0;
85 }
86
87 static int
mt76_edcca_set(void * data,u64 val)88 mt76_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(&dev->mt76.mutex);
101
102 return 0;
103 }
104
105 static int
mt76_edcca_get(void * data,u64 * val)106 mt76_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
114 DEFINE_DEBUGFS_ATTRIBUTE(fops_edcca, mt76_edcca_get, mt76_edcca_set,
115 "%lld\n");
116
mt76x02_read_rate_txpower(struct seq_file * s,void * data)117 static int mt76x02_read_rate_txpower(struct seq_file *s, void *data)
118 {
119 struct mt76x02_dev *dev = dev_get_drvdata(s->private);
120
121 mt76_seq_puts_array(s, "CCK", dev->rate_power.cck,
122 ARRAY_SIZE(dev->rate_power.cck));
123 mt76_seq_puts_array(s, "OFDM", dev->rate_power.ofdm,
124 ARRAY_SIZE(dev->rate_power.ofdm));
125 mt76_seq_puts_array(s, "HT", dev->rate_power.ht,
126 ARRAY_SIZE(dev->rate_power.ht));
127 mt76_seq_puts_array(s, "VHT", dev->rate_power.vht,
128 ARRAY_SIZE(dev->rate_power.vht));
129 return 0;
130 }
131
mt76x02_init_debugfs(struct mt76x02_dev * dev)132 void mt76x02_init_debugfs(struct mt76x02_dev *dev)
133 {
134 struct dentry *dir;
135
136 dir = mt76_register_debugfs(&dev->mt76);
137 if (!dir)
138 return;
139
140 debugfs_create_devm_seqfile(dev->mt76.dev, "xmit-queues", dir,
141 mt76_queues_read);
142 debugfs_create_u8("temperature", 0400, dir, &dev->cal.temp);
143 debugfs_create_bool("tpc", 0600, dir, &dev->enable_tpc);
144
145 debugfs_create_file("edcca", 0600, dir, dev, &fops_edcca);
146 debugfs_create_file("ampdu_stat", 0400, dir, dev, &mt76x02_ampdu_stat_fops);
147 debugfs_create_file("dfs_stats", 0400, dir, dev, &mt76x02_dfs_stat_fops);
148 debugfs_create_devm_seqfile(dev->mt76.dev, "txpower", dir,
149 read_txpower);
150
151 debugfs_create_devm_seqfile(dev->mt76.dev, "rate_txpower", dir,
152 mt76x02_read_rate_txpower);
153 debugfs_create_devm_seqfile(dev->mt76.dev, "agc", dir, read_agc);
154
155 debugfs_create_u32("tx_hang_reset", 0400, dir, &dev->tx_hang_reset);
156 }
157 EXPORT_SYMBOL_GPL(mt76x02_init_debugfs);
158