Files
linux/drivers/net/wireless/mediatek/mt7601u/debugfs.c
Thomas Gleixner 1802d0beec treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174
Based on 1 normalized pattern(s):

  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

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-only

has been chosen to replace the boilerplate/reference in 655 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190527070034.575739538@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-30 11:26:41 -07:00

163 lines
4.5 KiB
C

// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2014 Felix Fietkau <nbd@openwrt.org>
* Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl>
*/
#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;
}
static int
mt76_reg_get(void *data, u64 *val)
{
struct mt7601u_dev *dev = data;
*val = mt76_rr(dev, dev->debugfs_reg);
return 0;
}
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;
}
static int
mt7601u_ampdu_stat_open(struct inode *inode, struct file *f)
{
return single_open(f, mt7601u_ampdu_stat_read, inode->i_private);
}
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;
}
static int
mt7601u_eeprom_param_open(struct inode *inode, struct file *f)
{
return single_open(f, mt7601u_eeprom_param_read, inode->i_private);
}
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", 0400, dir, &dev->raw_temp);
debugfs_create_u32("temp_mode", 0400, dir, &dev->temp_mode);
debugfs_create_u32("regidx", 0600, dir, &dev->debugfs_reg);
debugfs_create_file("regval", 0600, dir, dev, &fops_regval);
debugfs_create_file("ampdu_stat", 0400, dir, dev, &fops_ampdu_stat);
debugfs_create_file("eeprom_param", 0400, dir, dev, &fops_eeprom_param);
}