Release 4.7 drivers/net/wireless/mediatek/mt7601u/debugfs.c
/*
* Copyright (C) 2014 Felix Fietkau <nbd@openwrt.org>
* Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <linux/debugfs.h>
#include "mt7601u.h"
#include "eeprom.h"
static int
mt76_reg_set(void *data, u64 val)
{
struct mt7601u_dev *dev = data;
mt76_wr(dev, dev->debugfs_reg, val);
return 0;
}
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static int
mt76_reg_get(void *data, u64 *val)
{
struct mt7601u_dev *dev = data;
*val = mt76_rr(dev, dev->debugfs_reg);
return 0;
}
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DEFINE_SIMPLE_ATTRIBUTE(fops_regval, mt76_reg_get, mt76_reg_set, "0x%08llx\n");
static int
mt7601u_ampdu_stat_read(struct seq_file *file, void *data)
{
struct mt7601u_dev *dev = file->private;
int i, j;
#define stat_printf(grp, off, name) \
seq_printf(file, #name ":\t%llu\n", dev->stats.grp[off])
stat_printf(rx_stat, 0, rx_crc_err);
stat_printf(rx_stat, 1, rx_phy_err);
stat_printf(rx_stat, 2, rx_false_cca);
stat_printf(rx_stat, 3, rx_plcp_err);
stat_printf(rx_stat, 4, rx_fifo_overflow);
stat_printf(rx_stat, 5, rx_duplicate);
stat_printf(tx_stat, 0, tx_fail_cnt);
stat_printf(tx_stat, 1, tx_bcn_cnt);
stat_printf(tx_stat, 2, tx_success);
stat_printf(tx_stat, 3, tx_retransmit);
stat_printf(tx_stat, 4, tx_zero_len);
stat_printf(tx_stat, 5, tx_underflow);
stat_printf(aggr_stat, 0, non_aggr_tx);
stat_printf(aggr_stat, 1, aggr_tx);
stat_printf(zero_len_del, 0, tx_zero_len_del);
stat_printf(zero_len_del, 1, rx_zero_len_del);
#undef stat_printf
seq_puts(file, "Aggregations stats:\n");
for (i = 0; i < 4; i++) {
for (j = 0; j < 8; j++)
seq_printf(file, "%08llx ",
dev->stats.aggr_n[i * 8 + j]);
seq_putc(file, '\n');
}
seq_printf(file, "recent average AMPDU len: %d\n",
atomic_read(&dev->avg_ampdu_len));
return 0;
}
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static int
mt7601u_ampdu_stat_open(struct inode *inode, struct file *f)
{
return single_open(f, mt7601u_ampdu_stat_read, inode->i_private);
}
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static const struct file_operations fops_ampdu_stat = {
.open = mt7601u_ampdu_stat_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
static int
mt7601u_eeprom_param_read(struct seq_file *file, void *data)
{
struct mt7601u_dev *dev = file->private;
struct mt7601u_rate_power *rp = &dev->ee->power_rate_table;
struct tssi_data *td = &dev->ee->tssi_data;
int i;
seq_printf(file, "RF freq offset: %hhx\n", dev->ee->rf_freq_off);
seq_printf(file, "RSSI offset: %hhx %hhx\n",
dev->ee->rssi_offset[0], dev->ee->rssi_offset[1]);
seq_printf(file, "Reference temp: %hhx\n", dev->ee->ref_temp);
seq_printf(file, "LNA gain: %hhx\n", dev->ee->lna_gain);
seq_printf(file, "Reg channels: %hhu-%hhu\n", dev->ee->reg.start,
dev->ee->reg.start + dev->ee->reg.num - 1);
seq_puts(file, "Per rate power:\n");
for (i = 0; i < 2; i++)
seq_printf(file, "\t raw:%02hhx bw20:%02hhx bw40:%02hhx\n",
rp->cck[i].raw, rp->cck[i].bw20, rp->cck[i].bw40);
for (i = 0; i < 4; i++)
seq_printf(file, "\t raw:%02hhx bw20:%02hhx bw40:%02hhx\n",
rp->ofdm[i].raw, rp->ofdm[i].bw20, rp->ofdm[i].bw40);
for (i = 0; i < 4; i++)
seq_printf(file, "\t raw:%02hhx bw20:%02hhx bw40:%02hhx\n",
rp->ht[i].raw, rp->ht[i].bw20, rp->ht[i].bw40);
seq_puts(file, "Per channel power:\n");
for (i = 0; i < 7; i++)
seq_printf(file, "\t tx_power ch%u:%02hhx ch%u:%02hhx\n",
i * 2 + 1, dev->ee->chan_pwr[i * 2],
i * 2 + 2, dev->ee->chan_pwr[i * 2 + 1]);
if (!dev->ee->tssi_enabled)
return 0;
seq_puts(file, "TSSI:\n");
seq_printf(file, "\t slope:%02hhx\n", td->slope);
seq_printf(file, "\t offset=%02hhx %02hhx %02hhx\n",
td->offset[0], td->offset[1], td->offset[2]);
seq_printf(file, "\t delta_off:%08x\n", td->tx0_delta_offset);
return 0;
}
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static int
mt7601u_eeprom_param_open(struct inode *inode, struct file *f)
{
return single_open(f, mt7601u_eeprom_param_read, inode->i_private);
}
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static const struct file_operations fops_eeprom_param = {
.open = mt7601u_eeprom_param_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
void mt7601u_init_debugfs(struct mt7601u_dev *dev)
{
struct dentry *dir;
dir = debugfs_create_dir("mt7601u", dev->hw->wiphy->debugfsdir);
if (!dir)
return;
debugfs_create_u8("temperature", S_IRUSR, dir, &dev->raw_temp);
debugfs_create_u32("temp_mode", S_IRUSR, dir, &dev->temp_mode);
debugfs_create_u32("regidx", S_IRUSR | S_IWUSR, dir, &dev->debugfs_reg);
debugfs_create_file("regval", S_IRUSR | S_IWUSR, dir, dev,
&fops_regval);
debugfs_create_file("ampdu_stat", S_IRUSR, dir, dev, &fops_ampdu_stat);
debugfs_create_file("eeprom_param", S_IRUSR, dir, dev,
&fops_eeprom_param);
}
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