[mirror_ubuntu-jammy-kernel.git] / drivers / net / wireless / mediatek / mt76 / mt76x02_debugfs.c

// SPDX-License-Identifier: ISC
/*
 * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>
 */

#include <linux/debugfs.h>
#include "mt76x02.h"

static int
mt76x02_ampdu_stat_read(struct seq_file *file, void *data)
{
	struct mt76x02_dev *dev = file->private;
	int i, j;

	for (i = 0; i < 4; i++) {
		seq_puts(file, "Length: ");
		for (j = 0; j < 8; j++)
			seq_printf(file, "%8d | ", i * 8 + j + 1);
		seq_puts(file, "\n");
		seq_puts(file, "Count:  ");
		for (j = 0; j < 8; j++)
			seq_printf(file, "%8d | ",
				   dev->mt76.aggr_stats[i * 8 + j]);
		seq_puts(file, "\n");
		seq_puts(file, "--------");
		for (j = 0; j < 8; j++)
			seq_puts(file, "-----------");
		seq_puts(file, "\n");
	}

	return 0;
}

static int
mt76x02_ampdu_stat_open(struct inode *inode, struct file *f)
{
	return single_open(f, mt76x02_ampdu_stat_read, inode->i_private);
}

static int read_txpower(struct seq_file *file, void *data)
{
	struct mt76x02_dev *dev = dev_get_drvdata(file->private);

	seq_printf(file, "Target power: %d\n", dev->target_power);

	mt76_seq_puts_array(file, "Delta", dev->target_power_delta,
			    ARRAY_SIZE(dev->target_power_delta));
	return 0;
}

static const struct file_operations fops_ampdu_stat = {
	.open = mt76x02_ampdu_stat_open,
	.read = seq_read,
	.llseek = seq_lseek,
	.release = single_release,
};

static int
mt76x02_dfs_stat_read(struct seq_file *file, void *data)
{
	struct mt76x02_dev *dev = file->private;
	struct mt76x02_dfs_pattern_detector *dfs_pd = &dev->dfs_pd;
	int i;

	seq_printf(file, "allocated sequences:\t%d\n",
		   dfs_pd->seq_stats.seq_pool_len);
	seq_printf(file, "used sequences:\t\t%d\n",
		   dfs_pd->seq_stats.seq_len);
	seq_puts(file, "\n");

	for (i = 0; i < MT_DFS_NUM_ENGINES; i++) {
		seq_printf(file, "engine: %d\n", i);
		seq_printf(file, "  hw pattern detected:\t%d\n",
			   dfs_pd->stats[i].hw_pattern);
		seq_printf(file, "  hw pulse discarded:\t%d\n",
			   dfs_pd->stats[i].hw_pulse_discarded);
		seq_printf(file, "  sw pattern detected:\t%d\n",
			   dfs_pd->stats[i].sw_pattern);
	}

	return 0;
}

static int
mt76x02_dfs_stat_open(struct inode *inode, struct file *f)
{
	return single_open(f, mt76x02_dfs_stat_read, inode->i_private);
}

static const struct file_operations fops_dfs_stat = {
	.open = mt76x02_dfs_stat_open,
	.read = seq_read,
	.llseek = seq_lseek,
	.release = single_release,
};

static int read_agc(struct seq_file *file, void *data)
{
	struct mt76x02_dev *dev = dev_get_drvdata(file->private);

	seq_printf(file, "avg_rssi: %d\n", dev->cal.avg_rssi_all);
	seq_printf(file, "low_gain: %d\n", dev->cal.low_gain);
	seq_printf(file, "false_cca: %d\n", dev->cal.false_cca);
	seq_printf(file, "agc_gain_adjust: %d\n", dev->cal.agc_gain_adjust);

	return 0;
}

static int
mt76_edcca_set(void *data, u64 val)
{
	struct mt76x02_dev *dev = data;
	enum nl80211_dfs_regions region = dev->mt76.region;

	mutex_lock(&dev->mt76.mutex);

	dev->ed_monitor_enabled = !!val;
	dev->ed_monitor = dev->ed_monitor_enabled &&
			  region == NL80211_DFS_ETSI;
	mt76x02_edcca_init(dev);

	mutex_unlock(&dev->mt76.mutex);

	return 0;
}

static int
mt76_edcca_get(void *data, u64 *val)
{
	struct mt76x02_dev *dev = data;

	*val = dev->ed_monitor_enabled;
	return 0;
}

DEFINE_DEBUGFS_ATTRIBUTE(fops_edcca, mt76_edcca_get, mt76_edcca_set,
			 "%lld\n");

void mt76x02_init_debugfs(struct mt76x02_dev *dev)
{
	struct dentry *dir;

	dir = mt76_register_debugfs(&dev->mt76);
	if (!dir)
		return;

	debugfs_create_devm_seqfile(dev->mt76.dev, "queues", dir,
				    mt76_queues_read);
	debugfs_create_u8("temperature", 0400, dir, &dev->cal.temp);
	debugfs_create_bool("tpc", 0600, dir, &dev->enable_tpc);

	debugfs_create_file("edcca", 0600, dir, dev, &fops_edcca);
	debugfs_create_file("ampdu_stat", 0400, dir, dev, &fops_ampdu_stat);
	debugfs_create_file("dfs_stats", 0400, dir, dev, &fops_dfs_stat);
	debugfs_create_devm_seqfile(dev->mt76.dev, "txpower", dir,
				    read_txpower);

	debugfs_create_devm_seqfile(dev->mt76.dev, "agc", dir, read_agc);

	debugfs_create_u32("tx_hang_reset", 0400, dir, &dev->tx_hang_reset);
}
EXPORT_SYMBOL_GPL(mt76x02_init_debugfs);
Commit	Line	Data
0e3d6777	1	// SPDX-License-Identifier: ISC
7bc04215 FF	2	/*
7bc04215 FF	3	* Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>
7bc04215 FF	4	*/
	5
	6	#include <linux/debugfs.h>
76055413	7	#include "mt76x02.h"
7bc04215 FF	8
7bc04215 FF	9	static int
76055413	10	mt76x02_ampdu_stat_read(struct seq_file file, void data)
7bc04215	11	{
e40803f2	12	struct mt76x02_dev *dev = file->private;
7bc04215 FF	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++)
d7b47bbd LB	22	seq_printf(file, "%8d \| ",
d7b47bbd LB	23	dev->mt76.aggr_stats[i * 8 + j]);
7bc04215 FF	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	static int
76055413	35	mt76x02_ampdu_stat_open(struct inode inode, struct file f)
7bc04215	36	{
76055413	37	return single_open(f, mt76x02_ampdu_stat_read, inode->i_private);
7bc04215 FF	38	}
7bc04215 FF	39
7bc04215 FF	40	static int read_txpower(struct seq_file file, void data)
7bc04215 FF	41	{
e40803f2	42	struct mt76x02_dev *dev = dev_get_drvdata(file->private);
7bc04215 FF	43
	44	seq_printf(file, "Target power: %d\n", dev->target_power);
	45
8f410a8b LB	46	mt76_seq_puts_array(file, "Delta", dev->target_power_delta,
8f410a8b LB	47	ARRAY_SIZE(dev->target_power_delta));
7bc04215 FF	48	return 0;
	49	}
	50
	51	static const struct file_operations fops_ampdu_stat = {
76055413	52	.open = mt76x02_ampdu_stat_open,
7bc04215 FF	53	.read = seq_read,
	54	.llseek = seq_lseek,
	55	.release = single_release,
	56	};
	57
	58	static int
76055413	59	mt76x02_dfs_stat_read(struct seq_file file, void data)
7bc04215	60	{
e40803f2 LB	61	struct mt76x02_dev *dev = file->private;
e40803f2 LB	62	struct mt76x02_dfs_pattern_detector *dfs_pd = &dev->dfs_pd;
7bc04215	63	int i;
7bc04215	64
4a07ed51 LB	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");
	70
7bc04215 FF	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);
4a07ed51 LB	77	seq_printf(file, " sw pattern detected:\t%d\n",
4a07ed51 LB	78	dfs_pd->stats[i].sw_pattern);
7bc04215 FF	79	}
	80
	81	return 0;
	82	}
	83
	84	static int
76055413	85	mt76x02_dfs_stat_open(struct inode inode, struct file f)
7bc04215	86	{
76055413	87	return single_open(f, mt76x02_dfs_stat_read, inode->i_private);
7bc04215 FF	88	}
	89
	90	static const struct file_operations fops_dfs_stat = {
76055413	91	.open = mt76x02_dfs_stat_open,
7bc04215 FF	92	.read = seq_read,
	93	.llseek = seq_lseek,
	94	.release = single_release,
	95	};
	96
108ec4da FF	97	static int read_agc(struct seq_file file, void data)
108ec4da FF	98	{
e40803f2	99	struct mt76x02_dev *dev = dev_get_drvdata(file->private);
108ec4da FF	100
	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);
	105
	106	return 0;
	107	}
	108
643749d4 FF	109	static int
	110	mt76_edcca_set(void *data, u64 val)
	111	{
	112	struct mt76x02_dev *dev = data;
d8b8890d	113	enum nl80211_dfs_regions region = dev->mt76.region;
643749d4	114
8aac454d LB	115	mutex_lock(&dev->mt76.mutex);
8aac454d LB	116
643749d4 FF	117	dev->ed_monitor_enabled = !!val;
	118	dev->ed_monitor = dev->ed_monitor_enabled &&
	119	region == NL80211_DFS_ETSI;
a78f1547	120	mt76x02_edcca_init(dev);
643749d4	121
8aac454d LB	122	mutex_unlock(&dev->mt76.mutex);
8aac454d LB	123
643749d4 FF	124	return 0;
	125	}
	126
	127	static int
	128	mt76_edcca_get(void data, u64 val)
	129	{
	130	struct mt76x02_dev *dev = data;
	131
	132	*val = dev->ed_monitor_enabled;
	133	return 0;
	134	}
	135
	136	DEFINE_DEBUGFS_ATTRIBUTE(fops_edcca, mt76_edcca_get, mt76_edcca_set,
	137	"%lld\n");
	138
76055413	139	void mt76x02_init_debugfs(struct mt76x02_dev *dev)
7bc04215 FF	140	{
	141	struct dentry *dir;
	142
	143	dir = mt76_register_debugfs(&dev->mt76);
	144	if (!dir)
	145	return;
	146
0b82a8e8 LB	147	debugfs_create_devm_seqfile(dev->mt76.dev, "queues", dir,
0b82a8e8 LB	148	mt76_queues_read);
2ef00c53 JP	149	debugfs_create_u8("temperature", 0400, dir, &dev->cal.temp);
2ef00c53 JP	150	debugfs_create_bool("tpc", 0600, dir, &dev->enable_tpc);
7bc04215	151
4a8c99c7	152	debugfs_create_file("edcca", 0600, dir, dev, &fops_edcca);
2ef00c53 JP	153	debugfs_create_file("ampdu_stat", 0400, dir, dev, &fops_ampdu_stat);
2ef00c53 JP	154	debugfs_create_file("dfs_stats", 0400, dir, dev, &fops_dfs_stat);
7bc04215 FF	155	debugfs_create_devm_seqfile(dev->mt76.dev, "txpower", dir,
7bc04215 FF	156	read_txpower);
108ec4da FF	157
108ec4da FF	158	debugfs_create_devm_seqfile(dev->mt76.dev, "agc", dir, read_agc);
c1e0d2be LB	159
c1e0d2be LB	160	debugfs_create_u32("tx_hang_reset", 0400, dir, &dev->tx_hang_reset);
7bc04215	161	}
76055413	162	EXPORT_SYMBOL_GPL(mt76x02_init_debugfs);