2 * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 #include <linux/debugfs.h>
21 mt76x2_ampdu_stat_read(struct seq_file *file, void *data)
23 struct mt76x2_dev *dev = file->private;
26 for (i = 0; i < 4; i++) {
27 seq_puts(file, "Length: ");
28 for (j = 0; j < 8; j++)
29 seq_printf(file, "%8d | ", i * 8 + j + 1);
31 seq_puts(file, "Count: ");
32 for (j = 0; j < 8; j++)
33 seq_printf(file, "%8d | ", dev->aggr_stats[i * 8 + j]);
35 seq_puts(file, "--------");
36 for (j = 0; j < 8; j++)
37 seq_puts(file, "-----------");
45 mt76x2_ampdu_stat_open(struct inode *inode, struct file *f)
47 return single_open(f, mt76x2_ampdu_stat_read, inode->i_private);
51 seq_puts_array(struct seq_file *file, const char *str, s8 *val, int len)
55 seq_printf(file, "%10s:", str);
56 for (i = 0; i < len; i++)
57 seq_printf(file, " %2d", val[i]);
61 static int read_txpower(struct seq_file *file, void *data)
63 struct mt76x2_dev *dev = dev_get_drvdata(file->private);
65 seq_printf(file, "Target power: %d\n", dev->target_power);
67 seq_puts_array(file, "Delta", dev->target_power_delta,
68 ARRAY_SIZE(dev->target_power_delta));
69 seq_puts_array(file, "CCK", dev->rate_power.cck,
70 ARRAY_SIZE(dev->rate_power.cck));
71 seq_puts_array(file, "OFDM", dev->rate_power.ofdm,
72 ARRAY_SIZE(dev->rate_power.ofdm));
73 seq_puts_array(file, "HT", dev->rate_power.ht,
74 ARRAY_SIZE(dev->rate_power.ht));
75 seq_puts_array(file, "VHT", dev->rate_power.vht,
76 ARRAY_SIZE(dev->rate_power.vht));
80 static const struct file_operations fops_ampdu_stat = {
81 .open = mt76x2_ampdu_stat_open,
84 .release = single_release,
88 mt76x2_dfs_stat_read(struct seq_file *file, void *data)
91 struct mt76x2_dev *dev = file->private;
92 struct mt76x2_dfs_pattern_detector *dfs_pd = &dev->dfs_pd;
94 for (i = 0; i < MT_DFS_NUM_ENGINES; i++) {
95 seq_printf(file, "engine: %d\n", i);
96 seq_printf(file, " hw pattern detected:\t%d\n",
97 dfs_pd->stats[i].hw_pattern);
98 seq_printf(file, " hw pulse discarded:\t%d\n",
99 dfs_pd->stats[i].hw_pulse_discarded);
106 mt76x2_dfs_stat_open(struct inode *inode, struct file *f)
108 return single_open(f, mt76x2_dfs_stat_read, inode->i_private);
111 static const struct file_operations fops_dfs_stat = {
112 .open = mt76x2_dfs_stat_open,
115 .release = single_release,
118 static int read_agc(struct seq_file *file, void *data)
120 struct mt76x2_dev *dev = dev_get_drvdata(file->private);
122 seq_printf(file, "avg_rssi: %d\n", dev->cal.avg_rssi_all);
123 seq_printf(file, "low_gain: %d\n", dev->cal.low_gain);
124 seq_printf(file, "false_cca: %d\n", dev->cal.false_cca);
125 seq_printf(file, "agc_gain_adjust: %d\n", dev->cal.agc_gain_adjust);
130 void mt76x2_init_debugfs(struct mt76x2_dev *dev)
134 dir = mt76_register_debugfs(&dev->mt76);
138 debugfs_create_u8("temperature", 0400, dir, &dev->cal.temp);
139 debugfs_create_bool("tpc", 0600, dir, &dev->enable_tpc);
141 debugfs_create_file("ampdu_stat", 0400, dir, dev, &fops_ampdu_stat);
142 debugfs_create_file("dfs_stats", 0400, dir, dev, &fops_dfs_stat);
143 debugfs_create_devm_seqfile(dev->mt76.dev, "txpower", dir,
146 debugfs_create_devm_seqfile(dev->mt76.dev, "agc", dir, read_agc);