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1// SPDX-License-Identifier: ISC2/*3 * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>4 */5 6#include <linux/debugfs.h>7#include "mt76x02.h"8 9static int10mt76x02_ampdu_stat_show(struct seq_file *file, void *data)11{12 struct mt76x02_dev *dev = file->private;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++)22 seq_printf(file, "%8d | ",23 dev->mphy.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");29 }30 31 return 0;32}33 34DEFINE_SHOW_ATTRIBUTE(mt76x02_ampdu_stat);35 36static int read_txpower(struct seq_file *file, void *data)37{38 struct mt76x02_dev *dev = dev_get_drvdata(file->private);39 40 seq_printf(file, "Target power: %d\n", dev->target_power);41 42 mt76_seq_puts_array(file, "Delta", dev->target_power_delta,43 ARRAY_SIZE(dev->target_power_delta));44 return 0;45}46 47static int48mt76x02_dfs_stat_show(struct seq_file *file, void *data)49{50 struct mt76x02_dev *dev = file->private;51 struct mt76x02_dfs_pattern_detector *dfs_pd = &dev->dfs_pd;52 int i;53 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 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);66 seq_printf(file, " sw pattern detected:\t%d\n",67 dfs_pd->stats[i].sw_pattern);68 }69 70 return 0;71}72 73DEFINE_SHOW_ATTRIBUTE(mt76x02_dfs_stat);74 75static int read_agc(struct seq_file *file, void *data)76{77 struct mt76x02_dev *dev = dev_get_drvdata(file->private);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 87static int88mt76_edcca_set(void *data, u64 val)89{90 struct mt76x02_dev *dev = data;91 enum nl80211_dfs_regions region = dev->mt76.region;92 93 mutex_lock(&dev->mt76.mutex);94 95 dev->ed_monitor_enabled = !!val;96 dev->ed_monitor = dev->ed_monitor_enabled &&97 region == NL80211_DFS_ETSI;98 mt76x02_edcca_init(dev);99 100 mutex_unlock(&dev->mt76.mutex);101 102 return 0;103}104 105static int106mt76_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 114DEFINE_DEBUGFS_ATTRIBUTE(fops_edcca, mt76_edcca_get, mt76_edcca_set,115 "%lld\n");116 117static 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));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 132void mt76x02_init_debugfs(struct mt76x02_dev *dev)133{134 struct dentry *dir;135 136 dir = mt76_register_debugfs(&dev->mt76);137 if (!dir)138 return;139 140 debugfs_create_devm_seqfile(dev->mt76.dev, "xmit-queues", dir,141 mt76_queues_read);142 debugfs_create_u8("temperature", 0400, dir, &dev->cal.temp);143 debugfs_create_bool("tpc", 0600, dir, &dev->enable_tpc);144 145 debugfs_create_file("edcca", 0600, dir, dev, &fops_edcca);146 debugfs_create_file("ampdu_stat", 0400, dir, dev, &mt76x02_ampdu_stat_fops);147 debugfs_create_file("dfs_stats", 0400, dir, dev, &mt76x02_dfs_stat_fops);148 debugfs_create_devm_seqfile(dev->mt76.dev, "txpower", dir,149 read_txpower);150 151 debugfs_create_devm_seqfile(dev->mt76.dev, "rate_txpower", dir,152 mt76x02_read_rate_txpower);153 debugfs_create_devm_seqfile(dev->mt76.dev, "agc", dir, read_agc);154 155 debugfs_create_u32("tx_hang_reset", 0400, dir, &dev->tx_hang_reset);156}157EXPORT_SYMBOL_GPL(mt76x02_init_debugfs);158