[linux-2.6-block.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_show(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;
}

DEFINE_SHOW_ATTRIBUTE(mt76x02_ampdu_stat);

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 int
mt76x02_dfs_stat_show(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;
}

DEFINE_SHOW_ATTRIBUTE(mt76x02_dfs_stat);

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");

static int mt76x02_read_rate_txpower(struct seq_file *s, void *data)
{
	struct mt76x02_dev *dev = dev_get_drvdata(s->private);

	mt76_seq_puts_array(s, "CCK", dev->rate_power.cck,
			    ARRAY_SIZE(dev->rate_power.cck));
	mt76_seq_puts_array(s, "OFDM", dev->rate_power.ofdm,
			    ARRAY_SIZE(dev->rate_power.ofdm));
	mt76_seq_puts_array(s, "HT", dev->rate_power.ht,
			    ARRAY_SIZE(dev->rate_power.ht));
	mt76_seq_puts_array(s, "VHT", dev->rate_power.vht,
			    ARRAY_SIZE(dev->rate_power.vht));
	return 0;
}

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, "xmit-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, &mt76x02_ampdu_stat_fops);
	debugfs_create_file("dfs_stats", 0400, dir, dev, &mt76x02_dfs_stat_fops);
	debugfs_create_devm_seqfile(dev->mt76.dev, "txpower", dir,
				    read_txpower);

	debugfs_create_devm_seqfile(dev->mt76.dev, "rate_txpower", dir,
				    mt76x02_read_rate_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
1820388b	10	mt76x02_ampdu_stat_show(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
1820388b	34	DEFINE_SHOW_ATTRIBUTE(mt76x02_ampdu_stat);
7bc04215	35
7bc04215 FF	36	static int read_txpower(struct seq_file file, void data)
7bc04215 FF	37	{
e40803f2	38	struct mt76x02_dev *dev = dev_get_drvdata(file->private);
7bc04215 FF	39
	40	seq_printf(file, "Target power: %d\n", dev->target_power);
	41
8f410a8b LB	42	mt76_seq_puts_array(file, "Delta", dev->target_power_delta,
8f410a8b LB	43	ARRAY_SIZE(dev->target_power_delta));
7bc04215 FF	44	return 0;
	45	}
	46
7bc04215	47	static int
1820388b	48	mt76x02_dfs_stat_show(struct seq_file file, void data)
7bc04215	49	{
e40803f2 LB	50	struct mt76x02_dev *dev = file->private;
e40803f2 LB	51	struct mt76x02_dfs_pattern_detector *dfs_pd = &dev->dfs_pd;
7bc04215	52	int i;
7bc04215	53
4a07ed51 LB	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
7bc04215 FF	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);
4a07ed51 LB	66	seq_printf(file, " sw pattern detected:\t%d\n",
4a07ed51 LB	67	dfs_pd->stats[i].sw_pattern);
7bc04215 FF	68	}
	69
	70	return 0;
	71	}
	72
1820388b	73	DEFINE_SHOW_ATTRIBUTE(mt76x02_dfs_stat);
7bc04215	74
108ec4da FF	75	static int read_agc(struct seq_file file, void data)
108ec4da FF	76	{
e40803f2	77	struct mt76x02_dev *dev = dev_get_drvdata(file->private);
108ec4da FF	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
643749d4 FF	87	static int
	88	mt76_edcca_set(void *data, u64 val)
	89	{
	90	struct mt76x02_dev *dev = data;
d8b8890d	91	enum nl80211_dfs_regions region = dev->mt76.region;
643749d4	92
8aac454d LB	93	mutex_lock(&dev->mt76.mutex);
8aac454d LB	94
643749d4 FF	95	dev->ed_monitor_enabled = !!val;
	96	dev->ed_monitor = dev->ed_monitor_enabled &&
	97	region == NL80211_DFS_ETSI;
a78f1547	98	mt76x02_edcca_init(dev);
643749d4	99
8aac454d LB	100	mutex_unlock(&dev->mt76.mutex);
8aac454d LB	101
643749d4 FF	102	return 0;
	103	}
	104
	105	static int
	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
b376d963 FF	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));
b376d963 FF	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
76055413	132	void mt76x02_init_debugfs(struct mt76x02_dev *dev)
7bc04215 FF	133	{
	134	struct dentry *dir;
	135
	136	dir = mt76_register_debugfs(&dev->mt76);
	137	if (!dir)
	138	return;
	139
6ea62c50	140	debugfs_create_devm_seqfile(dev->mt76.dev, "xmit-queues", dir,
0b82a8e8	141	mt76_queues_read);
2ef00c53 JP	142	debugfs_create_u8("temperature", 0400, dir, &dev->cal.temp);
2ef00c53 JP	143	debugfs_create_bool("tpc", 0600, dir, &dev->enable_tpc);
7bc04215	144
4a8c99c7	145	debugfs_create_file("edcca", 0600, dir, dev, &fops_edcca);
1820388b QM	146	debugfs_create_file("ampdu_stat", 0400, dir, dev, &mt76x02_ampdu_stat_fops);
1820388b QM	147	debugfs_create_file("dfs_stats", 0400, dir, dev, &mt76x02_dfs_stat_fops);
7bc04215 FF	148	debugfs_create_devm_seqfile(dev->mt76.dev, "txpower", dir,
7bc04215 FF	149	read_txpower);
108ec4da	150
b376d963 FF	151	debugfs_create_devm_seqfile(dev->mt76.dev, "rate_txpower", dir,
b376d963 FF	152	mt76x02_read_rate_txpower);
108ec4da	153	debugfs_create_devm_seqfile(dev->mt76.dev, "agc", dir, read_agc);
c1e0d2be LB	154
c1e0d2be LB	155	debugfs_create_u32("tx_hang_reset", 0400, dir, &dev->tx_hang_reset);
7bc04215	156	}
76055413	157	EXPORT_SYMBOL_GPL(mt76x02_init_debugfs);