[mirror_ubuntu-bionic-kernel.git] / drivers / net / wireless / wl12xx / wl1271_debugfs.c

/*
 * This file is part of wl1271
 *
 * Copyright (C) 2009 Nokia Corporation
 *
 * Contact: Luciano Coelho <luciano.coelho@nokia.com>
 *
 * 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.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA
 *
 */

#include "wl1271_debugfs.h"

#include <linux/skbuff.h>
#include <linux/slab.h>

#include "wl1271.h"
#include "wl1271_acx.h"
#include "wl1271_ps.h"

/* ms */
#define WL1271_DEBUGFS_STATS_LIFETIME 1000

/* debugfs macros idea from mac80211 */

#define DEBUGFS_READONLY_FILE(name, buflen, fmt, value...)		\
static ssize_t name## _read(struct file *file, char __user *userbuf,	\
			    size_t count, loff_t *ppos)			\
{									\
	struct wl1271 *wl = file->private_data;				\
	char buf[buflen];						\
	int res;							\
									\
	res = scnprintf(buf, buflen, fmt "\n", ##value);		\
	return simple_read_from_buffer(userbuf, count, ppos, buf, res);	\
}									\
									\
static const struct file_operations name## _ops = {			\
	.read = name## _read,						\
	.open = wl1271_open_file_generic,				\
};

#define DEBUGFS_ADD(name, parent)					\
	wl->debugfs.name = debugfs_create_file(#name, 0400, parent,	\
					       wl, &name## _ops);	\
	if (IS_ERR(wl->debugfs.name)) {					\
		ret = PTR_ERR(wl->debugfs.name);			\
		wl->debugfs.name = NULL;				\
		goto out;						\
	}

#define DEBUGFS_DEL(name)						\
	do {								\
		debugfs_remove(wl->debugfs.name);			\
		wl->debugfs.name = NULL;				\
	} while (0)

#define DEBUGFS_FWSTATS_FILE(sub, name, buflen, fmt)			\
static ssize_t sub## _ ##name## _read(struct file *file,		\
				      char __user *userbuf,		\
				      size_t count, loff_t *ppos)	\
{									\
	struct wl1271 *wl = file->private_data;				\
	char buf[buflen];						\
	int res;							\
									\
	wl1271_debugfs_update_stats(wl);				\
									\
	res = scnprintf(buf, buflen, fmt "\n",				\
			wl->stats.fw_stats->sub.name);			\
	return simple_read_from_buffer(userbuf, count, ppos, buf, res);	\
}									\
									\
static const struct file_operations sub## _ ##name## _ops = {		\
	.read = sub## _ ##name## _read,					\
	.open = wl1271_open_file_generic,				\
};

#define DEBUGFS_FWSTATS_ADD(sub, name)				\
	DEBUGFS_ADD(sub## _ ##name, wl->debugfs.fw_statistics)

#define DEBUGFS_FWSTATS_DEL(sub, name)				\
	DEBUGFS_DEL(sub## _ ##name)

static void wl1271_debugfs_update_stats(struct wl1271 *wl)
{
	int ret;

	mutex_lock(&wl->mutex);

	ret = wl1271_ps_elp_wakeup(wl, false);
	if (ret < 0)
		goto out;

	if (wl->state == WL1271_STATE_ON &&
	    time_after(jiffies, wl->stats.fw_stats_update +
		       msecs_to_jiffies(WL1271_DEBUGFS_STATS_LIFETIME))) {
		wl1271_acx_statistics(wl, wl->stats.fw_stats);
		wl->stats.fw_stats_update = jiffies;
	}

	wl1271_ps_elp_sleep(wl);

out:
	mutex_unlock(&wl->mutex);
}

static int wl1271_open_file_generic(struct inode *inode, struct file *file)
{
	file->private_data = inode->i_private;
	return 0;
}

DEBUGFS_FWSTATS_FILE(tx, internal_desc_overflow, 20, "%u");

DEBUGFS_FWSTATS_FILE(rx, out_of_mem, 20, "%u");
DEBUGFS_FWSTATS_FILE(rx, hdr_overflow, 20, "%u");
DEBUGFS_FWSTATS_FILE(rx, hw_stuck, 20, "%u");
DEBUGFS_FWSTATS_FILE(rx, dropped, 20, "%u");
DEBUGFS_FWSTATS_FILE(rx, fcs_err, 20, "%u");
DEBUGFS_FWSTATS_FILE(rx, xfr_hint_trig, 20, "%u");
DEBUGFS_FWSTATS_FILE(rx, path_reset, 20, "%u");
DEBUGFS_FWSTATS_FILE(rx, reset_counter, 20, "%u");

DEBUGFS_FWSTATS_FILE(dma, rx_requested, 20, "%u");
DEBUGFS_FWSTATS_FILE(dma, rx_errors, 20, "%u");
DEBUGFS_FWSTATS_FILE(dma, tx_requested, 20, "%u");
DEBUGFS_FWSTATS_FILE(dma, tx_errors, 20, "%u");

DEBUGFS_FWSTATS_FILE(isr, cmd_cmplt, 20, "%u");
DEBUGFS_FWSTATS_FILE(isr, fiqs, 20, "%u");
DEBUGFS_FWSTATS_FILE(isr, rx_headers, 20, "%u");
DEBUGFS_FWSTATS_FILE(isr, rx_mem_overflow, 20, "%u");
DEBUGFS_FWSTATS_FILE(isr, rx_rdys, 20, "%u");
DEBUGFS_FWSTATS_FILE(isr, irqs, 20, "%u");
DEBUGFS_FWSTATS_FILE(isr, tx_procs, 20, "%u");
DEBUGFS_FWSTATS_FILE(isr, decrypt_done, 20, "%u");
DEBUGFS_FWSTATS_FILE(isr, dma0_done, 20, "%u");
DEBUGFS_FWSTATS_FILE(isr, dma1_done, 20, "%u");
DEBUGFS_FWSTATS_FILE(isr, tx_exch_complete, 20, "%u");
DEBUGFS_FWSTATS_FILE(isr, commands, 20, "%u");
DEBUGFS_FWSTATS_FILE(isr, rx_procs, 20, "%u");
DEBUGFS_FWSTATS_FILE(isr, hw_pm_mode_changes, 20, "%u");
DEBUGFS_FWSTATS_FILE(isr, host_acknowledges, 20, "%u");
DEBUGFS_FWSTATS_FILE(isr, pci_pm, 20, "%u");
DEBUGFS_FWSTATS_FILE(isr, wakeups, 20, "%u");
DEBUGFS_FWSTATS_FILE(isr, low_rssi, 20, "%u");

DEBUGFS_FWSTATS_FILE(wep, addr_key_count, 20, "%u");
DEBUGFS_FWSTATS_FILE(wep, default_key_count, 20, "%u");
/* skipping wep.reserved */
DEBUGFS_FWSTATS_FILE(wep, key_not_found, 20, "%u");
DEBUGFS_FWSTATS_FILE(wep, decrypt_fail, 20, "%u");
DEBUGFS_FWSTATS_FILE(wep, packets, 20, "%u");
DEBUGFS_FWSTATS_FILE(wep, interrupt, 20, "%u");

DEBUGFS_FWSTATS_FILE(pwr, ps_enter, 20, "%u");
DEBUGFS_FWSTATS_FILE(pwr, elp_enter, 20, "%u");
DEBUGFS_FWSTATS_FILE(pwr, missing_bcns, 20, "%u");
DEBUGFS_FWSTATS_FILE(pwr, wake_on_host, 20, "%u");
DEBUGFS_FWSTATS_FILE(pwr, wake_on_timer_exp, 20, "%u");
DEBUGFS_FWSTATS_FILE(pwr, tx_with_ps, 20, "%u");
DEBUGFS_FWSTATS_FILE(pwr, tx_without_ps, 20, "%u");
DEBUGFS_FWSTATS_FILE(pwr, rcvd_beacons, 20, "%u");
DEBUGFS_FWSTATS_FILE(pwr, power_save_off, 20, "%u");
DEBUGFS_FWSTATS_FILE(pwr, enable_ps, 20, "%u");
DEBUGFS_FWSTATS_FILE(pwr, disable_ps, 20, "%u");
DEBUGFS_FWSTATS_FILE(pwr, fix_tsf_ps, 20, "%u");
/* skipping cont_miss_bcns_spread for now */
DEBUGFS_FWSTATS_FILE(pwr, rcvd_awake_beacons, 20, "%u");

DEBUGFS_FWSTATS_FILE(mic, rx_pkts, 20, "%u");
DEBUGFS_FWSTATS_FILE(mic, calc_failure, 20, "%u");

DEBUGFS_FWSTATS_FILE(aes, encrypt_fail, 20, "%u");
DEBUGFS_FWSTATS_FILE(aes, decrypt_fail, 20, "%u");
DEBUGFS_FWSTATS_FILE(aes, encrypt_packets, 20, "%u");
DEBUGFS_FWSTATS_FILE(aes, decrypt_packets, 20, "%u");
DEBUGFS_FWSTATS_FILE(aes, encrypt_interrupt, 20, "%u");
DEBUGFS_FWSTATS_FILE(aes, decrypt_interrupt, 20, "%u");

DEBUGFS_FWSTATS_FILE(event, heart_beat, 20, "%u");
DEBUGFS_FWSTATS_FILE(event, calibration, 20, "%u");
DEBUGFS_FWSTATS_FILE(event, rx_mismatch, 20, "%u");
DEBUGFS_FWSTATS_FILE(event, rx_mem_empty, 20, "%u");
DEBUGFS_FWSTATS_FILE(event, rx_pool, 20, "%u");
DEBUGFS_FWSTATS_FILE(event, oom_late, 20, "%u");
DEBUGFS_FWSTATS_FILE(event, phy_transmit_error, 20, "%u");
DEBUGFS_FWSTATS_FILE(event, tx_stuck, 20, "%u");

DEBUGFS_FWSTATS_FILE(ps, pspoll_timeouts, 20, "%u");
DEBUGFS_FWSTATS_FILE(ps, upsd_timeouts, 20, "%u");
DEBUGFS_FWSTATS_FILE(ps, upsd_max_sptime, 20, "%u");
DEBUGFS_FWSTATS_FILE(ps, upsd_max_apturn, 20, "%u");
DEBUGFS_FWSTATS_FILE(ps, pspoll_max_apturn, 20, "%u");
DEBUGFS_FWSTATS_FILE(ps, pspoll_utilization, 20, "%u");
DEBUGFS_FWSTATS_FILE(ps, upsd_utilization, 20, "%u");

DEBUGFS_FWSTATS_FILE(rxpipe, rx_prep_beacon_drop, 20, "%u");
DEBUGFS_FWSTATS_FILE(rxpipe, descr_host_int_trig_rx_data, 20, "%u");
DEBUGFS_FWSTATS_FILE(rxpipe, beacon_buffer_thres_host_int_trig_rx_data,
		     20, "%u");
DEBUGFS_FWSTATS_FILE(rxpipe, missed_beacon_host_int_trig_rx_data, 20, "%u");
DEBUGFS_FWSTATS_FILE(rxpipe, tx_xfr_host_int_trig_rx_data, 20, "%u");

DEBUGFS_READONLY_FILE(retry_count, 20, "%u", wl->stats.retry_count);
DEBUGFS_READONLY_FILE(excessive_retries, 20, "%u",
		      wl->stats.excessive_retries);

static ssize_t tx_queue_len_read(struct file *file, char __user *userbuf,
				 size_t count, loff_t *ppos)
{
	struct wl1271 *wl = file->private_data;
	u32 queue_len;
	char buf[20];
	int res;

	queue_len = skb_queue_len(&wl->tx_queue);

	res = scnprintf(buf, sizeof(buf), "%u\n", queue_len);
	return simple_read_from_buffer(userbuf, count, ppos, buf, res);
}

static const struct file_operations tx_queue_len_ops = {
	.read = tx_queue_len_read,
	.open = wl1271_open_file_generic,
};

static ssize_t gpio_power_read(struct file *file, char __user *user_buf,
			  size_t count, loff_t *ppos)
{
	struct wl1271 *wl = file->private_data;
	bool state = test_bit(WL1271_FLAG_GPIO_POWER, &wl->flags);

	int res;
	char buf[10];

	res = scnprintf(buf, sizeof(buf), "%d\n", state);

	return simple_read_from_buffer(user_buf, count, ppos, buf, res);
}

static ssize_t gpio_power_write(struct file *file,
			   const char __user *user_buf,
			   size_t count, loff_t *ppos)
{
	struct wl1271 *wl = file->private_data;
	char buf[10];
	size_t len;
	unsigned long value;
	int ret;

	mutex_lock(&wl->mutex);

	len = min(count, sizeof(buf) - 1);
	if (copy_from_user(buf, user_buf, len)) {
		ret = -EFAULT;
		goto out;
	}
	buf[len] = '\0';

	ret = strict_strtoul(buf, 0, &value);
	if (ret < 0) {
		wl1271_warning("illegal value in gpio_power");
		goto out;
	}

	if (value) {
		wl->set_power(true);
		set_bit(WL1271_FLAG_GPIO_POWER, &wl->flags);
	} else {
		wl->set_power(false);
		clear_bit(WL1271_FLAG_GPIO_POWER, &wl->flags);
	}

out:
	mutex_unlock(&wl->mutex);
	return count;
}

static const struct file_operations gpio_power_ops = {
	.read = gpio_power_read,
	.write = gpio_power_write,
	.open = wl1271_open_file_generic
};

static void wl1271_debugfs_delete_files(struct wl1271 *wl)
{
	DEBUGFS_FWSTATS_DEL(tx, internal_desc_overflow);

	DEBUGFS_FWSTATS_DEL(rx, out_of_mem);
	DEBUGFS_FWSTATS_DEL(rx, hdr_overflow);
	DEBUGFS_FWSTATS_DEL(rx, hw_stuck);
	DEBUGFS_FWSTATS_DEL(rx, dropped);
	DEBUGFS_FWSTATS_DEL(rx, fcs_err);
	DEBUGFS_FWSTATS_DEL(rx, xfr_hint_trig);
	DEBUGFS_FWSTATS_DEL(rx, path_reset);
	DEBUGFS_FWSTATS_DEL(rx, reset_counter);

	DEBUGFS_FWSTATS_DEL(dma, rx_requested);
	DEBUGFS_FWSTATS_DEL(dma, rx_errors);
	DEBUGFS_FWSTATS_DEL(dma, tx_requested);
	DEBUGFS_FWSTATS_DEL(dma, tx_errors);

	DEBUGFS_FWSTATS_DEL(isr, cmd_cmplt);
	DEBUGFS_FWSTATS_DEL(isr, fiqs);
	DEBUGFS_FWSTATS_DEL(isr, rx_headers);
	DEBUGFS_FWSTATS_DEL(isr, rx_mem_overflow);
	DEBUGFS_FWSTATS_DEL(isr, rx_rdys);
	DEBUGFS_FWSTATS_DEL(isr, irqs);
	DEBUGFS_FWSTATS_DEL(isr, tx_procs);
	DEBUGFS_FWSTATS_DEL(isr, decrypt_done);
	DEBUGFS_FWSTATS_DEL(isr, dma0_done);
	DEBUGFS_FWSTATS_DEL(isr, dma1_done);
	DEBUGFS_FWSTATS_DEL(isr, tx_exch_complete);
	DEBUGFS_FWSTATS_DEL(isr, commands);
	DEBUGFS_FWSTATS_DEL(isr, rx_procs);
	DEBUGFS_FWSTATS_DEL(isr, hw_pm_mode_changes);
	DEBUGFS_FWSTATS_DEL(isr, host_acknowledges);
	DEBUGFS_FWSTATS_DEL(isr, pci_pm);
	DEBUGFS_FWSTATS_DEL(isr, wakeups);
	DEBUGFS_FWSTATS_DEL(isr, low_rssi);

	DEBUGFS_FWSTATS_DEL(wep, addr_key_count);
	DEBUGFS_FWSTATS_DEL(wep, default_key_count);
	/* skipping wep.reserved */
	DEBUGFS_FWSTATS_DEL(wep, key_not_found);
	DEBUGFS_FWSTATS_DEL(wep, decrypt_fail);
	DEBUGFS_FWSTATS_DEL(wep, packets);
	DEBUGFS_FWSTATS_DEL(wep, interrupt);

	DEBUGFS_FWSTATS_DEL(pwr, ps_enter);
	DEBUGFS_FWSTATS_DEL(pwr, elp_enter);
	DEBUGFS_FWSTATS_DEL(pwr, missing_bcns);
	DEBUGFS_FWSTATS_DEL(pwr, wake_on_host);
	DEBUGFS_FWSTATS_DEL(pwr, wake_on_timer_exp);
	DEBUGFS_FWSTATS_DEL(pwr, tx_with_ps);
	DEBUGFS_FWSTATS_DEL(pwr, tx_without_ps);
	DEBUGFS_FWSTATS_DEL(pwr, rcvd_beacons);
	DEBUGFS_FWSTATS_DEL(pwr, power_save_off);
	DEBUGFS_FWSTATS_DEL(pwr, enable_ps);
	DEBUGFS_FWSTATS_DEL(pwr, disable_ps);
	DEBUGFS_FWSTATS_DEL(pwr, fix_tsf_ps);
	/* skipping cont_miss_bcns_spread for now */
	DEBUGFS_FWSTATS_DEL(pwr, rcvd_awake_beacons);

	DEBUGFS_FWSTATS_DEL(mic, rx_pkts);
	DEBUGFS_FWSTATS_DEL(mic, calc_failure);

	DEBUGFS_FWSTATS_DEL(aes, encrypt_fail);
	DEBUGFS_FWSTATS_DEL(aes, decrypt_fail);
	DEBUGFS_FWSTATS_DEL(aes, encrypt_packets);
	DEBUGFS_FWSTATS_DEL(aes, decrypt_packets);
	DEBUGFS_FWSTATS_DEL(aes, encrypt_interrupt);
	DEBUGFS_FWSTATS_DEL(aes, decrypt_interrupt);

	DEBUGFS_FWSTATS_DEL(event, heart_beat);
	DEBUGFS_FWSTATS_DEL(event, calibration);
	DEBUGFS_FWSTATS_DEL(event, rx_mismatch);
	DEBUGFS_FWSTATS_DEL(event, rx_mem_empty);
	DEBUGFS_FWSTATS_DEL(event, rx_pool);
	DEBUGFS_FWSTATS_DEL(event, oom_late);
	DEBUGFS_FWSTATS_DEL(event, phy_transmit_error);
	DEBUGFS_FWSTATS_DEL(event, tx_stuck);

	DEBUGFS_FWSTATS_DEL(ps, pspoll_timeouts);
	DEBUGFS_FWSTATS_DEL(ps, upsd_timeouts);
	DEBUGFS_FWSTATS_DEL(ps, upsd_max_sptime);
	DEBUGFS_FWSTATS_DEL(ps, upsd_max_apturn);
	DEBUGFS_FWSTATS_DEL(ps, pspoll_max_apturn);
	DEBUGFS_FWSTATS_DEL(ps, pspoll_utilization);
	DEBUGFS_FWSTATS_DEL(ps, upsd_utilization);

	DEBUGFS_FWSTATS_DEL(rxpipe, rx_prep_beacon_drop);
	DEBUGFS_FWSTATS_DEL(rxpipe, descr_host_int_trig_rx_data);
	DEBUGFS_FWSTATS_DEL(rxpipe, beacon_buffer_thres_host_int_trig_rx_data);
	DEBUGFS_FWSTATS_DEL(rxpipe, missed_beacon_host_int_trig_rx_data);
	DEBUGFS_FWSTATS_DEL(rxpipe, tx_xfr_host_int_trig_rx_data);

	DEBUGFS_DEL(tx_queue_len);
	DEBUGFS_DEL(retry_count);
	DEBUGFS_DEL(excessive_retries);

	DEBUGFS_DEL(gpio_power);
}

static int wl1271_debugfs_add_files(struct wl1271 *wl)
{
	int ret = 0;

	DEBUGFS_FWSTATS_ADD(tx, internal_desc_overflow);

	DEBUGFS_FWSTATS_ADD(rx, out_of_mem);
	DEBUGFS_FWSTATS_ADD(rx, hdr_overflow);
	DEBUGFS_FWSTATS_ADD(rx, hw_stuck);
	DEBUGFS_FWSTATS_ADD(rx, dropped);
	DEBUGFS_FWSTATS_ADD(rx, fcs_err);
	DEBUGFS_FWSTATS_ADD(rx, xfr_hint_trig);
	DEBUGFS_FWSTATS_ADD(rx, path_reset);
	DEBUGFS_FWSTATS_ADD(rx, reset_counter);

	DEBUGFS_FWSTATS_ADD(dma, rx_requested);
	DEBUGFS_FWSTATS_ADD(dma, rx_errors);
	DEBUGFS_FWSTATS_ADD(dma, tx_requested);
	DEBUGFS_FWSTATS_ADD(dma, tx_errors);

	DEBUGFS_FWSTATS_ADD(isr, cmd_cmplt);
	DEBUGFS_FWSTATS_ADD(isr, fiqs);
	DEBUGFS_FWSTATS_ADD(isr, rx_headers);
	DEBUGFS_FWSTATS_ADD(isr, rx_mem_overflow);
	DEBUGFS_FWSTATS_ADD(isr, rx_rdys);
	DEBUGFS_FWSTATS_ADD(isr, irqs);
	DEBUGFS_FWSTATS_ADD(isr, tx_procs);
	DEBUGFS_FWSTATS_ADD(isr, decrypt_done);
	DEBUGFS_FWSTATS_ADD(isr, dma0_done);
	DEBUGFS_FWSTATS_ADD(isr, dma1_done);
	DEBUGFS_FWSTATS_ADD(isr, tx_exch_complete);
	DEBUGFS_FWSTATS_ADD(isr, commands);
	DEBUGFS_FWSTATS_ADD(isr, rx_procs);
	DEBUGFS_FWSTATS_ADD(isr, hw_pm_mode_changes);
	DEBUGFS_FWSTATS_ADD(isr, host_acknowledges);
	DEBUGFS_FWSTATS_ADD(isr, pci_pm);
	DEBUGFS_FWSTATS_ADD(isr, wakeups);
	DEBUGFS_FWSTATS_ADD(isr, low_rssi);

	DEBUGFS_FWSTATS_ADD(wep, addr_key_count);
	DEBUGFS_FWSTATS_ADD(wep, default_key_count);
	/* skipping wep.reserved */
	DEBUGFS_FWSTATS_ADD(wep, key_not_found);
	DEBUGFS_FWSTATS_ADD(wep, decrypt_fail);
	DEBUGFS_FWSTATS_ADD(wep, packets);
	DEBUGFS_FWSTATS_ADD(wep, interrupt);

	DEBUGFS_FWSTATS_ADD(pwr, ps_enter);
	DEBUGFS_FWSTATS_ADD(pwr, elp_enter);
	DEBUGFS_FWSTATS_ADD(pwr, missing_bcns);
	DEBUGFS_FWSTATS_ADD(pwr, wake_on_host);
	DEBUGFS_FWSTATS_ADD(pwr, wake_on_timer_exp);
	DEBUGFS_FWSTATS_ADD(pwr, tx_with_ps);
	DEBUGFS_FWSTATS_ADD(pwr, tx_without_ps);
	DEBUGFS_FWSTATS_ADD(pwr, rcvd_beacons);
	DEBUGFS_FWSTATS_ADD(pwr, power_save_off);
	DEBUGFS_FWSTATS_ADD(pwr, enable_ps);
	DEBUGFS_FWSTATS_ADD(pwr, disable_ps);
	DEBUGFS_FWSTATS_ADD(pwr, fix_tsf_ps);
	/* skipping cont_miss_bcns_spread for now */
	DEBUGFS_FWSTATS_ADD(pwr, rcvd_awake_beacons);

	DEBUGFS_FWSTATS_ADD(mic, rx_pkts);
	DEBUGFS_FWSTATS_ADD(mic, calc_failure);

	DEBUGFS_FWSTATS_ADD(aes, encrypt_fail);
	DEBUGFS_FWSTATS_ADD(aes, decrypt_fail);
	DEBUGFS_FWSTATS_ADD(aes, encrypt_packets);
	DEBUGFS_FWSTATS_ADD(aes, decrypt_packets);
	DEBUGFS_FWSTATS_ADD(aes, encrypt_interrupt);
	DEBUGFS_FWSTATS_ADD(aes, decrypt_interrupt);

	DEBUGFS_FWSTATS_ADD(event, heart_beat);
	DEBUGFS_FWSTATS_ADD(event, calibration);
	DEBUGFS_FWSTATS_ADD(event, rx_mismatch);
	DEBUGFS_FWSTATS_ADD(event, rx_mem_empty);
	DEBUGFS_FWSTATS_ADD(event, rx_pool);
	DEBUGFS_FWSTATS_ADD(event, oom_late);
	DEBUGFS_FWSTATS_ADD(event, phy_transmit_error);
	DEBUGFS_FWSTATS_ADD(event, tx_stuck);

	DEBUGFS_FWSTATS_ADD(ps, pspoll_timeouts);
	DEBUGFS_FWSTATS_ADD(ps, upsd_timeouts);
	DEBUGFS_FWSTATS_ADD(ps, upsd_max_sptime);
	DEBUGFS_FWSTATS_ADD(ps, upsd_max_apturn);
	DEBUGFS_FWSTATS_ADD(ps, pspoll_max_apturn);
	DEBUGFS_FWSTATS_ADD(ps, pspoll_utilization);
	DEBUGFS_FWSTATS_ADD(ps, upsd_utilization);

	DEBUGFS_FWSTATS_ADD(rxpipe, rx_prep_beacon_drop);
	DEBUGFS_FWSTATS_ADD(rxpipe, descr_host_int_trig_rx_data);
	DEBUGFS_FWSTATS_ADD(rxpipe, beacon_buffer_thres_host_int_trig_rx_data);
	DEBUGFS_FWSTATS_ADD(rxpipe, missed_beacon_host_int_trig_rx_data);
	DEBUGFS_FWSTATS_ADD(rxpipe, tx_xfr_host_int_trig_rx_data);

	DEBUGFS_ADD(tx_queue_len, wl->debugfs.rootdir);
	DEBUGFS_ADD(retry_count, wl->debugfs.rootdir);
	DEBUGFS_ADD(excessive_retries, wl->debugfs.rootdir);

	DEBUGFS_ADD(gpio_power, wl->debugfs.rootdir);

out:
	if (ret < 0)
		wl1271_debugfs_delete_files(wl);

	return ret;
}

void wl1271_debugfs_reset(struct wl1271 *wl)
{
	memset(wl->stats.fw_stats, 0, sizeof(*wl->stats.fw_stats));
	wl->stats.retry_count = 0;
	wl->stats.excessive_retries = 0;
}

int wl1271_debugfs_init(struct wl1271 *wl)
{
	int ret;

	wl->debugfs.rootdir = debugfs_create_dir(KBUILD_MODNAME, NULL);

	if (IS_ERR(wl->debugfs.rootdir)) {
		ret = PTR_ERR(wl->debugfs.rootdir);
		wl->debugfs.rootdir = NULL;
		goto err;
	}

	wl->debugfs.fw_statistics = debugfs_create_dir("fw-statistics",
						       wl->debugfs.rootdir);

	if (IS_ERR(wl->debugfs.fw_statistics)) {
		ret = PTR_ERR(wl->debugfs.fw_statistics);
		wl->debugfs.fw_statistics = NULL;
		goto err_root;
	}

	wl->stats.fw_stats = kzalloc(sizeof(*wl->stats.fw_stats),
				      GFP_KERNEL);

	if (!wl->stats.fw_stats) {
		ret = -ENOMEM;
		goto err_fw;
	}

	wl->stats.fw_stats_update = jiffies;

	ret = wl1271_debugfs_add_files(wl);

	if (ret < 0)
		goto err_file;

	return 0;

err_file:
	kfree(wl->stats.fw_stats);
	wl->stats.fw_stats = NULL;

err_fw:
	debugfs_remove(wl->debugfs.fw_statistics);
	wl->debugfs.fw_statistics = NULL;

err_root:
	debugfs_remove(wl->debugfs.rootdir);
	wl->debugfs.rootdir = NULL;

err:
	return ret;
}

void wl1271_debugfs_exit(struct wl1271 *wl)
{
	wl1271_debugfs_delete_files(wl);

	kfree(wl->stats.fw_stats);
	wl->stats.fw_stats = NULL;

	debugfs_remove(wl->debugfs.fw_statistics);
	wl->debugfs.fw_statistics = NULL;

	debugfs_remove(wl->debugfs.rootdir);
	wl->debugfs.rootdir = NULL;

}
Commit	Line	Data
f5fc0f86 LC	1	/*
	2	* This file is part of wl1271
	3	*
	4	* Copyright (C) 2009 Nokia Corporation
	5	*
	6	* Contact: Luciano Coelho <luciano.coelho@nokia.com>
	7	*
	8	* This program is free software; you can redistribute it and/or
	9	* modify it under the terms of the GNU General Public License
	10	* version 2 as published by the Free Software Foundation.
	11	*
	12	* This program is distributed in the hope that it will be useful, but
	13	* WITHOUT ANY WARRANTY; without even the implied warranty of
	14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	15	* General Public License for more details.
	16	*
	17	* You should have received a copy of the GNU General Public License
	18	* along with this program; if not, write to the Free Software
	19	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
	20	* 02110-1301 USA
	21	*
	22	*/
	23
	24	#include "wl1271_debugfs.h"
	25
	26	#include <linux/skbuff.h>
5a0e3ad6	27	#include <linux/slab.h>
f5fc0f86 LC	28
	29	#include "wl1271.h"
	30	#include "wl1271_acx.h"
	31	#include "wl1271_ps.h"
	32
	33	/* ms */
	34	#define WL1271_DEBUGFS_STATS_LIFETIME 1000
	35
	36	/* debugfs macros idea from mac80211 */
	37
	38	#define DEBUGFS_READONLY_FILE(name, buflen, fmt, value...) \
	39	static ssize_t name## _read(struct file file, char __user userbuf, \
	40	size_t count, loff_t *ppos) \
	41	{ \
	42	struct wl1271 *wl = file->private_data; \
	43	char buf[buflen]; \
	44	int res; \
	45	\
	46	res = scnprintf(buf, buflen, fmt "\n", ##value); \
	47	return simple_read_from_buffer(userbuf, count, ppos, buf, res); \
	48	} \
	49	\
	50	static const struct file_operations name## _ops = { \
	51	.read = name## _read, \
	52	.open = wl1271_open_file_generic, \
	53	};
	54
	55	#define DEBUGFS_ADD(name, parent) \
	56	wl->debugfs.name = debugfs_create_file(#name, 0400, parent, \
	57	wl, &name## _ops); \
	58	if (IS_ERR(wl->debugfs.name)) { \
	59	ret = PTR_ERR(wl->debugfs.name); \
	60	wl->debugfs.name = NULL; \
	61	goto out; \
	62	}
	63
	64	#define DEBUGFS_DEL(name) \
	65	do { \
	66	debugfs_remove(wl->debugfs.name); \
	67	wl->debugfs.name = NULL; \
	68	} while (0)
	69
	70	#define DEBUGFS_FWSTATS_FILE(sub, name, buflen, fmt) \
	71	static ssize_t sub## _ ##name## _read(struct file *file, \
	72	char __user *userbuf, \
	73	size_t count, loff_t *ppos) \
	74	{ \
	75	struct wl1271 *wl = file->private_data; \
	76	char buf[buflen]; \
	77	int res; \
	78	\
	79	wl1271_debugfs_update_stats(wl); \
	80	\
	81	res = scnprintf(buf, buflen, fmt "\n", \
	82	wl->stats.fw_stats->sub.name); \
	83	return simple_read_from_buffer(userbuf, count, ppos, buf, res); \
	84	} \
	85	\
	86	static const struct file_operations sub## _ ##name## _ops = { \
	87	.read = sub## _ ##name## _read, \
	88	.open = wl1271_open_file_generic, \
	89	};
	90
	91	#define DEBUGFS_FWSTATS_ADD(sub, name) \
92	DEBUGFS_ADD(sub## _ ##name, wl->debugfs.fw_statistics)
93
94	#define DEBUGFS_FWSTATS_DEL(sub, name) \
95	DEBUGFS_DEL(sub## _ ##name)
96
97	static void wl1271_debugfs_update_stats(struct wl1271 *wl)
98	{
99	int ret;
100
101	mutex_lock(&wl->mutex);
102
103	ret = wl1271_ps_elp_wakeup(wl, false);
104	if (ret < 0)
105	goto out;
106
107	if (wl->state == WL1271_STATE_ON &&
108	time_after(jiffies, wl->stats.fw_stats_update +
109	msecs_to_jiffies(WL1271_DEBUGFS_STATS_LIFETIME))) {
110	wl1271_acx_statistics(wl, wl->stats.fw_stats);
111	wl->stats.fw_stats_update = jiffies;
112	}
113
114	wl1271_ps_elp_sleep(wl);
115
116	out:
117	mutex_unlock(&wl->mutex);
118	}
119
120	static int wl1271_open_file_generic(struct inode inode, struct file file)
121	{
122	file->private_data = inode->i_private;
123	return 0;
124	}
125
126	DEBUGFS_FWSTATS_FILE(tx, internal_desc_overflow, 20, "%u");
127
128	DEBUGFS_FWSTATS_FILE(rx, out_of_mem, 20, "%u");
129	DEBUGFS_FWSTATS_FILE(rx, hdr_overflow, 20, "%u");
130	DEBUGFS_FWSTATS_FILE(rx, hw_stuck, 20, "%u");
131	DEBUGFS_FWSTATS_FILE(rx, dropped, 20, "%u");
132	DEBUGFS_FWSTATS_FILE(rx, fcs_err, 20, "%u");
133	DEBUGFS_FWSTATS_FILE(rx, xfr_hint_trig, 20, "%u");
134	DEBUGFS_FWSTATS_FILE(rx, path_reset, 20, "%u");
135	DEBUGFS_FWSTATS_FILE(rx, reset_counter, 20, "%u");
136
137	DEBUGFS_FWSTATS_FILE(dma, rx_requested, 20, "%u");
138	DEBUGFS_FWSTATS_FILE(dma, rx_errors, 20, "%u");
139	DEBUGFS_FWSTATS_FILE(dma, tx_requested, 20, "%u");
140	DEBUGFS_FWSTATS_FILE(dma, tx_errors, 20, "%u");
141
142	DEBUGFS_FWSTATS_FILE(isr, cmd_cmplt, 20, "%u");
143	DEBUGFS_FWSTATS_FILE(isr, fiqs, 20, "%u");
144	DEBUGFS_FWSTATS_FILE(isr, rx_headers, 20, "%u");
145	DEBUGFS_FWSTATS_FILE(isr, rx_mem_overflow, 20, "%u");
146	DEBUGFS_FWSTATS_FILE(isr, rx_rdys, 20, "%u");
147	DEBUGFS_FWSTATS_FILE(isr, irqs, 20, "%u");
148	DEBUGFS_FWSTATS_FILE(isr, tx_procs, 20, "%u");
149	DEBUGFS_FWSTATS_FILE(isr, decrypt_done, 20, "%u");
150	DEBUGFS_FWSTATS_FILE(isr, dma0_done, 20, "%u");
151	DEBUGFS_FWSTATS_FILE(isr, dma1_done, 20, "%u");
152	DEBUGFS_FWSTATS_FILE(isr, tx_exch_complete, 20, "%u");
153	DEBUGFS_FWSTATS_FILE(isr, commands, 20, "%u");
154	DEBUGFS_FWSTATS_FILE(isr, rx_procs, 20, "%u");
155	DEBUGFS_FWSTATS_FILE(isr, hw_pm_mode_changes, 20, "%u");
156	DEBUGFS_FWSTATS_FILE(isr, host_acknowledges, 20, "%u");
157	DEBUGFS_FWSTATS_FILE(isr, pci_pm, 20, "%u");
158	DEBUGFS_FWSTATS_FILE(isr, wakeups, 20, "%u");
159	DEBUGFS_FWSTATS_FILE(isr, low_rssi, 20, "%u");
160
161	DEBUGFS_FWSTATS_FILE(wep, addr_key_count, 20, "%u");
162	DEBUGFS_FWSTATS_FILE(wep, default_key_count, 20, "%u");
163	/* skipping wep.reserved */
164	DEBUGFS_FWSTATS_FILE(wep, key_not_found, 20, "%u");
165	DEBUGFS_FWSTATS_FILE(wep, decrypt_fail, 20, "%u");
166	DEBUGFS_FWSTATS_FILE(wep, packets, 20, "%u");
167	DEBUGFS_FWSTATS_FILE(wep, interrupt, 20, "%u");
168
169	DEBUGFS_FWSTATS_FILE(pwr, ps_enter, 20, "%u");
170	DEBUGFS_FWSTATS_FILE(pwr, elp_enter, 20, "%u");
171	DEBUGFS_FWSTATS_FILE(pwr, missing_bcns, 20, "%u");
172	DEBUGFS_FWSTATS_FILE(pwr, wake_on_host, 20, "%u");
173	DEBUGFS_FWSTATS_FILE(pwr, wake_on_timer_exp, 20, "%u");
174	DEBUGFS_FWSTATS_FILE(pwr, tx_with_ps, 20, "%u");
175	DEBUGFS_FWSTATS_FILE(pwr, tx_without_ps, 20, "%u");
176	DEBUGFS_FWSTATS_FILE(pwr, rcvd_beacons, 20, "%u");
177	DEBUGFS_FWSTATS_FILE(pwr, power_save_off, 20, "%u");
178	DEBUGFS_FWSTATS_FILE(pwr, enable_ps, 20, "%u");
179	DEBUGFS_FWSTATS_FILE(pwr, disable_ps, 20, "%u");
180	DEBUGFS_FWSTATS_FILE(pwr, fix_tsf_ps, 20, "%u");
181	/* skipping cont_miss_bcns_spread for now */
182	DEBUGFS_FWSTATS_FILE(pwr, rcvd_awake_beacons, 20, "%u");
183
184	DEBUGFS_FWSTATS_FILE(mic, rx_pkts, 20, "%u");
185	DEBUGFS_FWSTATS_FILE(mic, calc_failure, 20, "%u");
186
187	DEBUGFS_FWSTATS_FILE(aes, encrypt_fail, 20, "%u");
188	DEBUGFS_FWSTATS_FILE(aes, decrypt_fail, 20, "%u");
189	DEBUGFS_FWSTATS_FILE(aes, encrypt_packets, 20, "%u");
190	DEBUGFS_FWSTATS_FILE(aes, decrypt_packets, 20, "%u");
191	DEBUGFS_FWSTATS_FILE(aes, encrypt_interrupt, 20, "%u");
192	DEBUGFS_FWSTATS_FILE(aes, decrypt_interrupt, 20, "%u");
193
194	DEBUGFS_FWSTATS_FILE(event, heart_beat, 20, "%u");
195	DEBUGFS_FWSTATS_FILE(event, calibration, 20, "%u");
196	DEBUGFS_FWSTATS_FILE(event, rx_mismatch, 20, "%u");
197	DEBUGFS_FWSTATS_FILE(event, rx_mem_empty, 20, "%u");
198	DEBUGFS_FWSTATS_FILE(event, rx_pool, 20, "%u");
199	DEBUGFS_FWSTATS_FILE(event, oom_late, 20, "%u");
200	DEBUGFS_FWSTATS_FILE(event, phy_transmit_error, 20, "%u");
201	DEBUGFS_FWSTATS_FILE(event, tx_stuck, 20, "%u");
202
203	DEBUGFS_FWSTATS_FILE(ps, pspoll_timeouts, 20, "%u");
204	DEBUGFS_FWSTATS_FILE(ps, upsd_timeouts, 20, "%u");
205	DEBUGFS_FWSTATS_FILE(ps, upsd_max_sptime, 20, "%u");
206	DEBUGFS_FWSTATS_FILE(ps, upsd_max_apturn, 20, "%u");
207	DEBUGFS_FWSTATS_FILE(ps, pspoll_max_apturn, 20, "%u");
208	DEBUGFS_FWSTATS_FILE(ps, pspoll_utilization, 20, "%u");
209	DEBUGFS_FWSTATS_FILE(ps, upsd_utilization, 20, "%u");
210
211	DEBUGFS_FWSTATS_FILE(rxpipe, rx_prep_beacon_drop, 20, "%u");
212	DEBUGFS_FWSTATS_FILE(rxpipe, descr_host_int_trig_rx_data, 20, "%u");
213	DEBUGFS_FWSTATS_FILE(rxpipe, beacon_buffer_thres_host_int_trig_rx_data,
214	20, "%u");
215	DEBUGFS_FWSTATS_FILE(rxpipe, missed_beacon_host_int_trig_rx_data, 20, "%u");
216	DEBUGFS_FWSTATS_FILE(rxpipe, tx_xfr_host_int_trig_rx_data, 20, "%u");
217
218	DEBUGFS_READONLY_FILE(retry_count, 20, "%u", wl->stats.retry_count);
219	DEBUGFS_READONLY_FILE(excessive_retries, 20, "%u",
220	wl->stats.excessive_retries);
221
222	static ssize_t tx_queue_len_read(struct file file, char __user userbuf,
223	size_t count, loff_t *ppos)
224	{
225	struct wl1271 *wl = file->private_data;
226	u32 queue_len;
227	char buf[20];
228	int res;
229
230	queue_len = skb_queue_len(&wl->tx_queue);
231
232	res = scnprintf(buf, sizeof(buf), "%u\n", queue_len);
233	return simple_read_from_buffer(userbuf, count, ppos, buf, res);
234	}
235
236	static const struct file_operations tx_queue_len_ops = {
237	.read = tx_queue_len_read,
238	.open = wl1271_open_file_generic,
239	};
240
98b2a684 LC	241	static ssize_t gpio_power_read(struct file file, char __user user_buf,
	242	size_t count, loff_t *ppos)
	243	{
	244	struct wl1271 *wl = file->private_data;
71449f8d JO	245	bool state = test_bit(WL1271_FLAG_GPIO_POWER, &wl->flags);
71449f8d JO	246
98b2a684 LC	247	int res;
	248	char buf[10];
	249
71449f8d	250	res = scnprintf(buf, sizeof(buf), "%d\n", state);
98b2a684 LC	251
	252	return simple_read_from_buffer(user_buf, count, ppos, buf, res);
	253	}
	254
	255	static ssize_t gpio_power_write(struct file *file,
	256	const char __user *user_buf,
	257	size_t count, loff_t *ppos)
	258	{
	259	struct wl1271 *wl = file->private_data;
	260	char buf[10];
	261	size_t len;
	262	unsigned long value;
	263	int ret;
	264
	265	mutex_lock(&wl->mutex);
	266
	267	len = min(count, sizeof(buf) - 1);
	268	if (copy_from_user(buf, user_buf, len)) {
	269	ret = -EFAULT;
	270	goto out;
	271	}
	272	buf[len] = '\0';
	273
	274	ret = strict_strtoul(buf, 0, &value);
	275	if (ret < 0) {
	276	wl1271_warning("illegal value in gpio_power");
	277	goto out;
	278	}
	279
71449f8d JO	280	if (value) {
	281	wl->set_power(true);
	282	set_bit(WL1271_FLAG_GPIO_POWER, &wl->flags);
	283	} else {
	284	wl->set_power(false);
	285	clear_bit(WL1271_FLAG_GPIO_POWER, &wl->flags);
	286	}
98b2a684 LC	287
	288	out:
	289	mutex_unlock(&wl->mutex);
	290	return count;
	291	}
	292
	293	static const struct file_operations gpio_power_ops = {
	294	.read = gpio_power_read,
	295	.write = gpio_power_write,
	296	.open = wl1271_open_file_generic
	297	};
	298
f5fc0f86 LC	299	static void wl1271_debugfs_delete_files(struct wl1271 *wl)
	300	{
	301	DEBUGFS_FWSTATS_DEL(tx, internal_desc_overflow);
	302
	303	DEBUGFS_FWSTATS_DEL(rx, out_of_mem);
	304	DEBUGFS_FWSTATS_DEL(rx, hdr_overflow);
	305	DEBUGFS_FWSTATS_DEL(rx, hw_stuck);
	306	DEBUGFS_FWSTATS_DEL(rx, dropped);
	307	DEBUGFS_FWSTATS_DEL(rx, fcs_err);
	308	DEBUGFS_FWSTATS_DEL(rx, xfr_hint_trig);
	309	DEBUGFS_FWSTATS_DEL(rx, path_reset);
	310	DEBUGFS_FWSTATS_DEL(rx, reset_counter);
	311
	312	DEBUGFS_FWSTATS_DEL(dma, rx_requested);
	313	DEBUGFS_FWSTATS_DEL(dma, rx_errors);
	314	DEBUGFS_FWSTATS_DEL(dma, tx_requested);
	315	DEBUGFS_FWSTATS_DEL(dma, tx_errors);
	316
	317	DEBUGFS_FWSTATS_DEL(isr, cmd_cmplt);
	318	DEBUGFS_FWSTATS_DEL(isr, fiqs);
	319	DEBUGFS_FWSTATS_DEL(isr, rx_headers);
	320	DEBUGFS_FWSTATS_DEL(isr, rx_mem_overflow);
	321	DEBUGFS_FWSTATS_DEL(isr, rx_rdys);
	322	DEBUGFS_FWSTATS_DEL(isr, irqs);
	323	DEBUGFS_FWSTATS_DEL(isr, tx_procs);
	324	DEBUGFS_FWSTATS_DEL(isr, decrypt_done);
	325	DEBUGFS_FWSTATS_DEL(isr, dma0_done);
	326	DEBUGFS_FWSTATS_DEL(isr, dma1_done);
	327	DEBUGFS_FWSTATS_DEL(isr, tx_exch_complete);
	328	DEBUGFS_FWSTATS_DEL(isr, commands);
	329	DEBUGFS_FWSTATS_DEL(isr, rx_procs);
	330	DEBUGFS_FWSTATS_DEL(isr, hw_pm_mode_changes);
	331	DEBUGFS_FWSTATS_DEL(isr, host_acknowledges);
	332	DEBUGFS_FWSTATS_DEL(isr, pci_pm);
	333	DEBUGFS_FWSTATS_DEL(isr, wakeups);
	334	DEBUGFS_FWSTATS_DEL(isr, low_rssi);
	335
	336	DEBUGFS_FWSTATS_DEL(wep, addr_key_count);
	337	DEBUGFS_FWSTATS_DEL(wep, default_key_count);
	338	/* skipping wep.reserved */
	339	DEBUGFS_FWSTATS_DEL(wep, key_not_found);
	340	DEBUGFS_FWSTATS_DEL(wep, decrypt_fail);
	341	DEBUGFS_FWSTATS_DEL(wep, packets);
	342	DEBUGFS_FWSTATS_DEL(wep, interrupt);
	343
	344	DEBUGFS_FWSTATS_DEL(pwr, ps_enter);
	345	DEBUGFS_FWSTATS_DEL(pwr, elp_enter);
	346	DEBUGFS_FWSTATS_DEL(pwr, missing_bcns);
	347	DEBUGFS_FWSTATS_DEL(pwr, wake_on_host);
	348	DEBUGFS_FWSTATS_DEL(pwr, wake_on_timer_exp);
	349	DEBUGFS_FWSTATS_DEL(pwr, tx_with_ps);
	350	DEBUGFS_FWSTATS_DEL(pwr, tx_without_ps);
	351	DEBUGFS_FWSTATS_DEL(pwr, rcvd_beacons);
	352	DEBUGFS_FWSTATS_DEL(pwr, power_save_off);
	353	DEBUGFS_FWSTATS_DEL(pwr, enable_ps);
	354	DEBUGFS_FWSTATS_DEL(pwr, disable_ps);
	355	DEBUGFS_FWSTATS_DEL(pwr, fix_tsf_ps);
	356	/* skipping cont_miss_bcns_spread for now */
	357	DEBUGFS_FWSTATS_DEL(pwr, rcvd_awake_beacons);
	358
	359	DEBUGFS_FWSTATS_DEL(mic, rx_pkts);
	360	DEBUGFS_FWSTATS_DEL(mic, calc_failure);
	361
	362	DEBUGFS_FWSTATS_DEL(aes, encrypt_fail);
363	DEBUGFS_FWSTATS_DEL(aes, decrypt_fail);
364	DEBUGFS_FWSTATS_DEL(aes, encrypt_packets);
365	DEBUGFS_FWSTATS_DEL(aes, decrypt_packets);
366	DEBUGFS_FWSTATS_DEL(aes, encrypt_interrupt);
367	DEBUGFS_FWSTATS_DEL(aes, decrypt_interrupt);
368
369	DEBUGFS_FWSTATS_DEL(event, heart_beat);
370	DEBUGFS_FWSTATS_DEL(event, calibration);
371	DEBUGFS_FWSTATS_DEL(event, rx_mismatch);
372	DEBUGFS_FWSTATS_DEL(event, rx_mem_empty);
373	DEBUGFS_FWSTATS_DEL(event, rx_pool);
374	DEBUGFS_FWSTATS_DEL(event, oom_late);
375	DEBUGFS_FWSTATS_DEL(event, phy_transmit_error);
376	DEBUGFS_FWSTATS_DEL(event, tx_stuck);
377
378	DEBUGFS_FWSTATS_DEL(ps, pspoll_timeouts);
379	DEBUGFS_FWSTATS_DEL(ps, upsd_timeouts);
380	DEBUGFS_FWSTATS_DEL(ps, upsd_max_sptime);
381	DEBUGFS_FWSTATS_DEL(ps, upsd_max_apturn);
382	DEBUGFS_FWSTATS_DEL(ps, pspoll_max_apturn);
383	DEBUGFS_FWSTATS_DEL(ps, pspoll_utilization);
384	DEBUGFS_FWSTATS_DEL(ps, upsd_utilization);
385
386	DEBUGFS_FWSTATS_DEL(rxpipe, rx_prep_beacon_drop);
387	DEBUGFS_FWSTATS_DEL(rxpipe, descr_host_int_trig_rx_data);
388	DEBUGFS_FWSTATS_DEL(rxpipe, beacon_buffer_thres_host_int_trig_rx_data);
389	DEBUGFS_FWSTATS_DEL(rxpipe, missed_beacon_host_int_trig_rx_data);
390	DEBUGFS_FWSTATS_DEL(rxpipe, tx_xfr_host_int_trig_rx_data);
391
392	DEBUGFS_DEL(tx_queue_len);
393	DEBUGFS_DEL(retry_count);
394	DEBUGFS_DEL(excessive_retries);
98b2a684 LC	395
98b2a684 LC	396	DEBUGFS_DEL(gpio_power);
f5fc0f86 LC	397	}
	398
	399	static int wl1271_debugfs_add_files(struct wl1271 *wl)
	400	{
	401	int ret = 0;
	402
	403	DEBUGFS_FWSTATS_ADD(tx, internal_desc_overflow);
	404
	405	DEBUGFS_FWSTATS_ADD(rx, out_of_mem);
	406	DEBUGFS_FWSTATS_ADD(rx, hdr_overflow);
	407	DEBUGFS_FWSTATS_ADD(rx, hw_stuck);
	408	DEBUGFS_FWSTATS_ADD(rx, dropped);
	409	DEBUGFS_FWSTATS_ADD(rx, fcs_err);
	410	DEBUGFS_FWSTATS_ADD(rx, xfr_hint_trig);
	411	DEBUGFS_FWSTATS_ADD(rx, path_reset);
	412	DEBUGFS_FWSTATS_ADD(rx, reset_counter);
	413
	414	DEBUGFS_FWSTATS_ADD(dma, rx_requested);
	415	DEBUGFS_FWSTATS_ADD(dma, rx_errors);
	416	DEBUGFS_FWSTATS_ADD(dma, tx_requested);
	417	DEBUGFS_FWSTATS_ADD(dma, tx_errors);
	418
	419	DEBUGFS_FWSTATS_ADD(isr, cmd_cmplt);
	420	DEBUGFS_FWSTATS_ADD(isr, fiqs);
	421	DEBUGFS_FWSTATS_ADD(isr, rx_headers);
	422	DEBUGFS_FWSTATS_ADD(isr, rx_mem_overflow);
	423	DEBUGFS_FWSTATS_ADD(isr, rx_rdys);
	424	DEBUGFS_FWSTATS_ADD(isr, irqs);
	425	DEBUGFS_FWSTATS_ADD(isr, tx_procs);
	426	DEBUGFS_FWSTATS_ADD(isr, decrypt_done);
	427	DEBUGFS_FWSTATS_ADD(isr, dma0_done);
	428	DEBUGFS_FWSTATS_ADD(isr, dma1_done);
	429	DEBUGFS_FWSTATS_ADD(isr, tx_exch_complete);
	430	DEBUGFS_FWSTATS_ADD(isr, commands);
	431	DEBUGFS_FWSTATS_ADD(isr, rx_procs);
	432	DEBUGFS_FWSTATS_ADD(isr, hw_pm_mode_changes);
	433	DEBUGFS_FWSTATS_ADD(isr, host_acknowledges);
	434	DEBUGFS_FWSTATS_ADD(isr, pci_pm);
	435	DEBUGFS_FWSTATS_ADD(isr, wakeups);
	436	DEBUGFS_FWSTATS_ADD(isr, low_rssi);
	437
	438	DEBUGFS_FWSTATS_ADD(wep, addr_key_count);
	439	DEBUGFS_FWSTATS_ADD(wep, default_key_count);
	440	/* skipping wep.reserved */
	441	DEBUGFS_FWSTATS_ADD(wep, key_not_found);
	442	DEBUGFS_FWSTATS_ADD(wep, decrypt_fail);
	443	DEBUGFS_FWSTATS_ADD(wep, packets);
	444	DEBUGFS_FWSTATS_ADD(wep, interrupt);
	445
	446	DEBUGFS_FWSTATS_ADD(pwr, ps_enter);
	447	DEBUGFS_FWSTATS_ADD(pwr, elp_enter);
	448	DEBUGFS_FWSTATS_ADD(pwr, missing_bcns);
	449	DEBUGFS_FWSTATS_ADD(pwr, wake_on_host);
	450	DEBUGFS_FWSTATS_ADD(pwr, wake_on_timer_exp);
	451	DEBUGFS_FWSTATS_ADD(pwr, tx_with_ps);
	452	DEBUGFS_FWSTATS_ADD(pwr, tx_without_ps);
	453	DEBUGFS_FWSTATS_ADD(pwr, rcvd_beacons);
	454	DEBUGFS_FWSTATS_ADD(pwr, power_save_off);
	455	DEBUGFS_FWSTATS_ADD(pwr, enable_ps);
	456	DEBUGFS_FWSTATS_ADD(pwr, disable_ps);
	457	DEBUGFS_FWSTATS_ADD(pwr, fix_tsf_ps);
	458	/* skipping cont_miss_bcns_spread for now */
	459	DEBUGFS_FWSTATS_ADD(pwr, rcvd_awake_beacons);
	460
461	DEBUGFS_FWSTATS_ADD(mic, rx_pkts);
462	DEBUGFS_FWSTATS_ADD(mic, calc_failure);
463
464	DEBUGFS_FWSTATS_ADD(aes, encrypt_fail);
465	DEBUGFS_FWSTATS_ADD(aes, decrypt_fail);
466	DEBUGFS_FWSTATS_ADD(aes, encrypt_packets);
467	DEBUGFS_FWSTATS_ADD(aes, decrypt_packets);
468	DEBUGFS_FWSTATS_ADD(aes, encrypt_interrupt);
469	DEBUGFS_FWSTATS_ADD(aes, decrypt_interrupt);
470
471	DEBUGFS_FWSTATS_ADD(event, heart_beat);
472	DEBUGFS_FWSTATS_ADD(event, calibration);
473	DEBUGFS_FWSTATS_ADD(event, rx_mismatch);
474	DEBUGFS_FWSTATS_ADD(event, rx_mem_empty);
475	DEBUGFS_FWSTATS_ADD(event, rx_pool);
476	DEBUGFS_FWSTATS_ADD(event, oom_late);
477	DEBUGFS_FWSTATS_ADD(event, phy_transmit_error);
478	DEBUGFS_FWSTATS_ADD(event, tx_stuck);
479
480	DEBUGFS_FWSTATS_ADD(ps, pspoll_timeouts);
481	DEBUGFS_FWSTATS_ADD(ps, upsd_timeouts);
482	DEBUGFS_FWSTATS_ADD(ps, upsd_max_sptime);
483	DEBUGFS_FWSTATS_ADD(ps, upsd_max_apturn);
484	DEBUGFS_FWSTATS_ADD(ps, pspoll_max_apturn);
485	DEBUGFS_FWSTATS_ADD(ps, pspoll_utilization);
486	DEBUGFS_FWSTATS_ADD(ps, upsd_utilization);
487
488	DEBUGFS_FWSTATS_ADD(rxpipe, rx_prep_beacon_drop);
489	DEBUGFS_FWSTATS_ADD(rxpipe, descr_host_int_trig_rx_data);
490	DEBUGFS_FWSTATS_ADD(rxpipe, beacon_buffer_thres_host_int_trig_rx_data);
491	DEBUGFS_FWSTATS_ADD(rxpipe, missed_beacon_host_int_trig_rx_data);
492	DEBUGFS_FWSTATS_ADD(rxpipe, tx_xfr_host_int_trig_rx_data);
493
494	DEBUGFS_ADD(tx_queue_len, wl->debugfs.rootdir);
495	DEBUGFS_ADD(retry_count, wl->debugfs.rootdir);
496	DEBUGFS_ADD(excessive_retries, wl->debugfs.rootdir);
497
98b2a684 LC	498	DEBUGFS_ADD(gpio_power, wl->debugfs.rootdir);
98b2a684 LC	499
f5fc0f86 LC	500	out:
	501	if (ret < 0)
	502	wl1271_debugfs_delete_files(wl);
	503
	504	return ret;
	505	}
	506
	507	void wl1271_debugfs_reset(struct wl1271 *wl)
	508	{
	509	memset(wl->stats.fw_stats, 0, sizeof(*wl->stats.fw_stats));
	510	wl->stats.retry_count = 0;
	511	wl->stats.excessive_retries = 0;
	512	}
	513
	514	int wl1271_debugfs_init(struct wl1271 *wl)
	515	{
	516	int ret;
	517
	518	wl->debugfs.rootdir = debugfs_create_dir(KBUILD_MODNAME, NULL);
	519
	520	if (IS_ERR(wl->debugfs.rootdir)) {
	521	ret = PTR_ERR(wl->debugfs.rootdir);
	522	wl->debugfs.rootdir = NULL;
	523	goto err;
	524	}
	525
	526	wl->debugfs.fw_statistics = debugfs_create_dir("fw-statistics",
	527	wl->debugfs.rootdir);
	528
	529	if (IS_ERR(wl->debugfs.fw_statistics)) {
	530	ret = PTR_ERR(wl->debugfs.fw_statistics);
	531	wl->debugfs.fw_statistics = NULL;
	532	goto err_root;
	533	}
	534
	535	wl->stats.fw_stats = kzalloc(sizeof(*wl->stats.fw_stats),
	536	GFP_KERNEL);
	537
	538	if (!wl->stats.fw_stats) {
	539	ret = -ENOMEM;
	540	goto err_fw;
	541	}
	542
	543	wl->stats.fw_stats_update = jiffies;
	544
	545	ret = wl1271_debugfs_add_files(wl);
	546
	547	if (ret < 0)
	548	goto err_file;
	549
	550	return 0;
	551
	552	err_file:
	553	kfree(wl->stats.fw_stats);
	554	wl->stats.fw_stats = NULL;
	555
	556	err_fw:
	557	debugfs_remove(wl->debugfs.fw_statistics);
	558	wl->debugfs.fw_statistics = NULL;
	559
	560	err_root:
	561	debugfs_remove(wl->debugfs.rootdir);
	562	wl->debugfs.rootdir = NULL;
	563
564	err:
565	return ret;
566	}
567
568	void wl1271_debugfs_exit(struct wl1271 *wl)
569	{
570	wl1271_debugfs_delete_files(wl);
571
572	kfree(wl->stats.fw_stats);
573	wl->stats.fw_stats = NULL;
574
575	debugfs_remove(wl->debugfs.fw_statistics);
576	wl->debugfs.fw_statistics = NULL;
577
578	debugfs_remove(wl->debugfs.rootdir);
579	wl->debugfs.rootdir = NULL;
580
581	}