treewide: remove redundant IS_ERR() before error code check
[linux/fpc-iii.git] / drivers / net / wireless / mediatek / mt76 / mt76x02_debugfs.c
blob68b40d63a46d7c4cead417da068f07e62ffb3a80
1 // SPDX-License-Identifier: ISC
2 /*
3 * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>
4 */
6 #include <linux/debugfs.h>
7 #include "mt76x02.h"
9 static int
10 mt76x02_ampdu_stat_read(struct seq_file *file, void *data)
12 struct mt76x02_dev *dev = file->private;
13 int i, j;
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->mt76.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");
31 return 0;
34 static int
35 mt76x02_ampdu_stat_open(struct inode *inode, struct file *f)
37 return single_open(f, mt76x02_ampdu_stat_read, inode->i_private);
40 static int read_txpower(struct seq_file *file, void *data)
42 struct mt76x02_dev *dev = dev_get_drvdata(file->private);
44 seq_printf(file, "Target power: %d\n", dev->target_power);
46 mt76_seq_puts_array(file, "Delta", dev->target_power_delta,
47 ARRAY_SIZE(dev->target_power_delta));
48 return 0;
51 static const struct file_operations fops_ampdu_stat = {
52 .open = mt76x02_ampdu_stat_open,
53 .read = seq_read,
54 .llseek = seq_lseek,
55 .release = single_release,
58 static int
59 mt76x02_dfs_stat_read(struct seq_file *file, void *data)
61 struct mt76x02_dev *dev = file->private;
62 struct mt76x02_dfs_pattern_detector *dfs_pd = &dev->dfs_pd;
63 int i;
65 seq_printf(file, "allocated sequences:\t%d\n",
66 dfs_pd->seq_stats.seq_pool_len);
67 seq_printf(file, "used sequences:\t\t%d\n",
68 dfs_pd->seq_stats.seq_len);
69 seq_puts(file, "\n");
71 for (i = 0; i < MT_DFS_NUM_ENGINES; i++) {
72 seq_printf(file, "engine: %d\n", i);
73 seq_printf(file, " hw pattern detected:\t%d\n",
74 dfs_pd->stats[i].hw_pattern);
75 seq_printf(file, " hw pulse discarded:\t%d\n",
76 dfs_pd->stats[i].hw_pulse_discarded);
77 seq_printf(file, " sw pattern detected:\t%d\n",
78 dfs_pd->stats[i].sw_pattern);
81 return 0;
84 static int
85 mt76x02_dfs_stat_open(struct inode *inode, struct file *f)
87 return single_open(f, mt76x02_dfs_stat_read, inode->i_private);
90 static const struct file_operations fops_dfs_stat = {
91 .open = mt76x02_dfs_stat_open,
92 .read = seq_read,
93 .llseek = seq_lseek,
94 .release = single_release,
97 static int read_agc(struct seq_file *file, void *data)
99 struct mt76x02_dev *dev = dev_get_drvdata(file->private);
101 seq_printf(file, "avg_rssi: %d\n", dev->cal.avg_rssi_all);
102 seq_printf(file, "low_gain: %d\n", dev->cal.low_gain);
103 seq_printf(file, "false_cca: %d\n", dev->cal.false_cca);
104 seq_printf(file, "agc_gain_adjust: %d\n", dev->cal.agc_gain_adjust);
106 return 0;
109 static int
110 mt76_edcca_set(void *data, u64 val)
112 struct mt76x02_dev *dev = data;
113 enum nl80211_dfs_regions region = dev->mt76.region;
115 mutex_lock(&dev->mt76.mutex);
117 dev->ed_monitor_enabled = !!val;
118 dev->ed_monitor = dev->ed_monitor_enabled &&
119 region == NL80211_DFS_ETSI;
120 mt76x02_edcca_init(dev);
122 mutex_unlock(&dev->mt76.mutex);
124 return 0;
127 static int
128 mt76_edcca_get(void *data, u64 *val)
130 struct mt76x02_dev *dev = data;
132 *val = dev->ed_monitor_enabled;
133 return 0;
136 DEFINE_DEBUGFS_ATTRIBUTE(fops_edcca, mt76_edcca_get, mt76_edcca_set,
137 "%lld\n");
139 void mt76x02_init_debugfs(struct mt76x02_dev *dev)
141 struct dentry *dir;
143 dir = mt76_register_debugfs(&dev->mt76);
144 if (!dir)
145 return;
147 debugfs_create_devm_seqfile(dev->mt76.dev, "queues", dir,
148 mt76_queues_read);
149 debugfs_create_u8("temperature", 0400, dir, &dev->cal.temp);
150 debugfs_create_bool("tpc", 0600, dir, &dev->enable_tpc);
152 debugfs_create_file("edcca", 0600, dir, dev, &fops_edcca);
153 debugfs_create_file("ampdu_stat", 0400, dir, dev, &fops_ampdu_stat);
154 debugfs_create_file("dfs_stats", 0400, dir, dev, &fops_dfs_stat);
155 debugfs_create_devm_seqfile(dev->mt76.dev, "txpower", dir,
156 read_txpower);
158 debugfs_create_devm_seqfile(dev->mt76.dev, "agc", dir, read_agc);
160 debugfs_create_u32("tx_hang_reset", 0400, dir, &dev->tx_hang_reset);
162 EXPORT_SYMBOL_GPL(mt76x02_init_debugfs);