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_read(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 | ", dev->aggr_stats[i * 8 + j]); 23 seq_puts(file, "\n"); 24 seq_puts(file, "--------"); 25 for (j = 0; j < 8; j++) 26 seq_puts(file, "-----------"); 27 seq_puts(file, "\n"); 28 } 29 30 return 0; 31 } 32 33 static int 34 mt76x02_ampdu_stat_open(struct inode *inode, struct file *f) 35 { 36 return single_open(f, mt76x02_ampdu_stat_read, inode->i_private); 37 } 38 39 static int read_txpower(struct seq_file *file, void *data) 40 { 41 struct mt76x02_dev *dev = dev_get_drvdata(file->private); 42 43 seq_printf(file, "Target power: %d\n", dev->target_power); 44 45 mt76_seq_puts_array(file, "Delta", dev->target_power_delta, 46 ARRAY_SIZE(dev->target_power_delta)); 47 return 0; 48 } 49 50 static const struct file_operations fops_ampdu_stat = { 51 .open = mt76x02_ampdu_stat_open, 52 .read = seq_read, 53 .llseek = seq_lseek, 54 .release = single_release, 55 }; 56 57 static int 58 mt76x02_dfs_stat_read(struct seq_file *file, void *data) 59 { 60 struct mt76x02_dev *dev = file->private; 61 struct mt76x02_dfs_pattern_detector *dfs_pd = &dev->dfs_pd; 62 int i; 63 64 seq_printf(file, "allocated sequences:\t%d\n", 65 dfs_pd->seq_stats.seq_pool_len); 66 seq_printf(file, "used sequences:\t\t%d\n", 67 dfs_pd->seq_stats.seq_len); 68 seq_puts(file, "\n"); 69 70 for (i = 0; i < MT_DFS_NUM_ENGINES; i++) { 71 seq_printf(file, "engine: %d\n", i); 72 seq_printf(file, " hw pattern detected:\t%d\n", 73 dfs_pd->stats[i].hw_pattern); 74 seq_printf(file, " hw pulse discarded:\t%d\n", 75 dfs_pd->stats[i].hw_pulse_discarded); 76 seq_printf(file, " sw pattern detected:\t%d\n", 77 dfs_pd->stats[i].sw_pattern); 78 } 79 80 return 0; 81 } 82 83 static int 84 mt76x02_dfs_stat_open(struct inode *inode, struct file *f) 85 { 86 return single_open(f, mt76x02_dfs_stat_read, inode->i_private); 87 } 88 89 static const struct file_operations fops_dfs_stat = { 90 .open = mt76x02_dfs_stat_open, 91 .read = seq_read, 92 .llseek = seq_lseek, 93 .release = single_release, 94 }; 95 96 static int read_agc(struct seq_file *file, void *data) 97 { 98 struct mt76x02_dev *dev = dev_get_drvdata(file->private); 99 100 seq_printf(file, "avg_rssi: %d\n", dev->cal.avg_rssi_all); 101 seq_printf(file, "low_gain: %d\n", dev->cal.low_gain); 102 seq_printf(file, "false_cca: %d\n", dev->cal.false_cca); 103 seq_printf(file, "agc_gain_adjust: %d\n", dev->cal.agc_gain_adjust); 104 105 return 0; 106 } 107 108 static int 109 mt76_edcca_set(void *data, u64 val) 110 { 111 struct mt76x02_dev *dev = data; 112 enum nl80211_dfs_regions region = dev->mt76.region; 113 114 mutex_lock(&dev->mt76.mutex); 115 116 dev->ed_monitor_enabled = !!val; 117 dev->ed_monitor = dev->ed_monitor_enabled && 118 region == NL80211_DFS_ETSI; 119 mt76x02_edcca_init(dev); 120 121 mutex_unlock(&dev->mt76.mutex); 122 123 return 0; 124 } 125 126 static int 127 mt76_edcca_get(void *data, u64 *val) 128 { 129 struct mt76x02_dev *dev = data; 130 131 *val = dev->ed_monitor_enabled; 132 return 0; 133 } 134 135 DEFINE_DEBUGFS_ATTRIBUTE(fops_edcca, mt76_edcca_get, mt76_edcca_set, 136 "%lld\n"); 137 138 void mt76x02_init_debugfs(struct mt76x02_dev *dev) 139 { 140 struct dentry *dir; 141 142 dir = mt76_register_debugfs(&dev->mt76); 143 if (!dir) 144 return; 145 146 debugfs_create_u8("temperature", 0400, dir, &dev->cal.temp); 147 debugfs_create_bool("tpc", 0600, dir, &dev->enable_tpc); 148 149 debugfs_create_file("edcca", 0600, dir, dev, &fops_edcca); 150 debugfs_create_file("ampdu_stat", 0400, dir, dev, &fops_ampdu_stat); 151 debugfs_create_file("dfs_stats", 0400, dir, dev, &fops_dfs_stat); 152 debugfs_create_devm_seqfile(dev->mt76.dev, "txpower", dir, 153 read_txpower); 154 155 debugfs_create_devm_seqfile(dev->mt76.dev, "agc", dir, read_agc); 156 157 debugfs_create_u32("tx_hang_reset", 0400, dir, &dev->tx_hang_reset); 158 } 159 EXPORT_SYMBOL_GPL(mt76x02_init_debugfs); 160