diff options
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt76x02_debugfs.c')
-rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt76x02_debugfs.c | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_debugfs.c b/drivers/net/wireless/mediatek/mt76/mt76x02_debugfs.c new file mode 100644 index 000000000..c4fe1c436 --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt76x02_debugfs.c @@ -0,0 +1,140 @@ +// 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"); + +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, "agc", dir, read_agc); + + debugfs_create_u32("tx_hang_reset", 0400, dir, &dev->tx_hang_reset); +} +EXPORT_SYMBOL_GPL(mt76x02_init_debugfs); |