1 // SPDX-License-Identifier: ISC 2 /* 3 * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name> 4 */ 5 6 #include <linux/debugfs.h> 7 #include "mt76x02.h" 8 9 static int 10 mt76x02_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->mt76.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 34 DEFINE_SHOW_ATTRIBUTE(mt76x02_ampdu_stat); 35 36 static 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 47 static int 48 mt76x02_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 73 DEFINE_SHOW_ATTRIBUTE(mt76x02_dfs_stat); 74 75 static 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 87 static int 88 mt76_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 } 104 105 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"); 116 117 void mt76x02_init_debugfs(struct mt76x02_dev *dev) 118 { 119 struct dentry *dir; 120 121 dir = mt76_register_debugfs(&dev->mt76); 122 if (!dir) 123 return; 124 125 debugfs_create_devm_seqfile(dev->mt76.dev, "xmit-queues", dir, 126 mt76_queues_read); 127 debugfs_create_u8("temperature", 0400, dir, &dev->cal.temp); 128 debugfs_create_bool("tpc", 0600, dir, &dev->enable_tpc); 129 130 debugfs_create_file("edcca", 0600, dir, dev, &fops_edcca); 131 debugfs_create_file("ampdu_stat", 0400, dir, dev, &mt76x02_ampdu_stat_fops); 132 debugfs_create_file("dfs_stats", 0400, dir, dev, &mt76x02_dfs_stat_fops); 133 debugfs_create_devm_seqfile(dev->mt76.dev, "txpower", dir, 134 read_txpower); 135 136 debugfs_create_devm_seqfile(dev->mt76.dev, "agc", dir, read_agc); 137 138 debugfs_create_u32("tx_hang_reset", 0400, dir, &dev->tx_hang_reset); 139 } 140 EXPORT_SYMBOL_GPL(mt76x02_init_debugfs); 141