diff options
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt76x2_debugfs.c')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt76x2_debugfs.c | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_debugfs.c b/drivers/net/wireless/mediatek/mt76/mt76x2_debugfs.c new file mode 100644 index 0000000..77b5ff1 --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt76x2_debugfs.c @@ -0,0 +1,156 @@ +/* + * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name> + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <linux/debugfs.h> +#include "mt76x2.h" + +static int +mt76x2_ampdu_stat_read(struct seq_file *file, void *data) +{ + struct mt76x2_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->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; +} + +static int +mt76x2_ampdu_stat_open(struct inode *inode, struct file *f) +{ + return single_open(f, mt76x2_ampdu_stat_read, inode->i_private); +} + +static void +seq_puts_array(struct seq_file *file, const char *str, s8 *val, int len) +{ + int i; + + seq_printf(file, "%10s:", str); + for (i = 0; i < len; i++) + seq_printf(file, " %2d", val[i]); + seq_puts(file, "\n"); +} + +static int read_txpower(struct seq_file *file, void *data) +{ + struct mt76x2_dev *dev = dev_get_drvdata(file->private); + + seq_printf(file, "Target power: %d\n", dev->target_power); + + seq_puts_array(file, "Delta", dev->target_power_delta, + ARRAY_SIZE(dev->target_power_delta)); + seq_puts_array(file, "CCK", dev->rate_power.cck, + ARRAY_SIZE(dev->rate_power.cck)); + seq_puts_array(file, "OFDM", dev->rate_power.ofdm, + ARRAY_SIZE(dev->rate_power.ofdm)); + seq_puts_array(file, "HT", dev->rate_power.ht, + ARRAY_SIZE(dev->rate_power.ht)); + seq_puts_array(file, "VHT", dev->rate_power.vht, + ARRAY_SIZE(dev->rate_power.vht)); + return 0; +} + +static const struct file_operations fops_ampdu_stat = { + .open = mt76x2_ampdu_stat_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + +static int +mt76x2_dfs_stat_read(struct seq_file *file, void *data) +{ + int i; + struct mt76x2_dev *dev = file->private; + struct mt76x2_dfs_pattern_detector *dfs_pd = &dev->dfs_pd; + + 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; +} + +static int +mt76x2_dfs_stat_open(struct inode *inode, struct file *f) +{ + return single_open(f, mt76x2_dfs_stat_read, inode->i_private); +} + +static const struct file_operations fops_dfs_stat = { + .open = mt76x2_dfs_stat_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + +static int read_agc(struct seq_file *file, void *data) +{ + struct mt76x2_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; +} + +void mt76x2_init_debugfs(struct mt76x2_dev *dev) +{ + struct dentry *dir; + + dir = mt76_register_debugfs(&dev->mt76); + if (!dir) + return; + + debugfs_create_u8("temperature", 0400, dir, &dev->cal.temp); + debugfs_create_bool("tpc", 0600, dir, &dev->enable_tpc); + + debugfs_create_file("ampdu_stat", 0400, dir, dev, &fops_ampdu_stat); + debugfs_create_file("dfs_stats", 0400, dir, dev, &fops_dfs_stat); + debugfs_create_devm_seqfile(dev->mt76.dev, "txpower", dir, + read_txpower); + + debugfs_create_devm_seqfile(dev->mt76.dev, "agc", dir, read_agc); +} +EXPORT_SYMBOL_GPL(mt76x2_init_debugfs); |