[linux-2.6-block.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"
#include "wl1271_io.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,				\
	.llseek	= generic_file_llseek,					\
};

#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,				\
	.llseek	= generic_file_llseek,					\
};

#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,
	.llseek = default_llseek,
};

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)
		wl1271_power_on(wl);
	else
		wl1271_power_off(wl);

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,
	.llseek = default_llseek,
};

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"
becd551c	32	#include "wl1271_io.h"
f5fc0f86 LC	33
	34	/* ms */
	35	#define WL1271_DEBUGFS_STATS_LIFETIME 1000
	36
	37	/* debugfs macros idea from mac80211 */
	38
	39	#define DEBUGFS_READONLY_FILE(name, buflen, fmt, value...) \
	40	static ssize_t name## _read(struct file file, char __user userbuf, \
	41	size_t count, loff_t *ppos) \
	42	{ \
	43	struct wl1271 *wl = file->private_data; \
	44	char buf[buflen]; \
	45	int res; \
	46	\
	47	res = scnprintf(buf, buflen, fmt "\n", ##value); \
	48	return simple_read_from_buffer(userbuf, count, ppos, buf, res); \
	49	} \
	50	\
	51	static const struct file_operations name## _ops = { \
	52	.read = name## _read, \
	53	.open = wl1271_open_file_generic, \
2b18ab36	54	.llseek = generic_file_llseek, \
f5fc0f86 LC	55	};
	56
	57	#define DEBUGFS_ADD(name, parent) \
	58	wl->debugfs.name = debugfs_create_file(#name, 0400, parent, \
	59	wl, &name## _ops); \
	60	if (IS_ERR(wl->debugfs.name)) { \
	61	ret = PTR_ERR(wl->debugfs.name); \
	62	wl->debugfs.name = NULL; \
	63	goto out; \
	64	}
	65
	66	#define DEBUGFS_DEL(name) \
	67	do { \
	68	debugfs_remove(wl->debugfs.name); \
	69	wl->debugfs.name = NULL; \
	70	} while (0)
	71
	72	#define DEBUGFS_FWSTATS_FILE(sub, name, buflen, fmt) \
	73	static ssize_t sub## _ ##name## _read(struct file *file, \
	74	char __user *userbuf, \
	75	size_t count, loff_t *ppos) \
	76	{ \
	77	struct wl1271 *wl = file->private_data; \
	78	char buf[buflen]; \
	79	int res; \
	80	\
	81	wl1271_debugfs_update_stats(wl); \
	82	\
	83	res = scnprintf(buf, buflen, fmt "\n", \
	84	wl->stats.fw_stats->sub.name); \
	85	return simple_read_from_buffer(userbuf, count, ppos, buf, res); \
	86	} \
	87	\
	88	static const struct file_operations sub## _ ##name## _ops = { \
	89	.read = sub## _ ##name## _read, \
	90	.open = wl1271_open_file_generic, \
2b18ab36	91	.llseek = generic_file_llseek, \
f5fc0f86 LC	92	};
	93
	94	#define DEBUGFS_FWSTATS_ADD(sub, name) \
	95	DEBUGFS_ADD(sub## _ ##name, wl->debugfs.fw_statistics)
	96
	97	#define DEBUGFS_FWSTATS_DEL(sub, name) \
	98	DEBUGFS_DEL(sub## _ ##name)
	99
	100	static void wl1271_debugfs_update_stats(struct wl1271 *wl)
	101	{
	102	int ret;
	103
	104	mutex_lock(&wl->mutex);
	105
	106	ret = wl1271_ps_elp_wakeup(wl, false);
	107	if (ret < 0)
	108	goto out;
	109
	110	if (wl->state == WL1271_STATE_ON &&
	111	time_after(jiffies, wl->stats.fw_stats_update +
	112	msecs_to_jiffies(WL1271_DEBUGFS_STATS_LIFETIME))) {
	113	wl1271_acx_statistics(wl, wl->stats.fw_stats);
	114	wl->stats.fw_stats_update = jiffies;
	115	}
	116
	117	wl1271_ps_elp_sleep(wl);
	118
	119	out:
	120	mutex_unlock(&wl->mutex);
	121	}
	122
	123	static int wl1271_open_file_generic(struct inode inode, struct file file)
	124	{
	125	file->private_data = inode->i_private;
	126	return 0;
	127	}
	128
	129	DEBUGFS_FWSTATS_FILE(tx, internal_desc_overflow, 20, "%u");
	130
	131	DEBUGFS_FWSTATS_FILE(rx, out_of_mem, 20, "%u");
	132	DEBUGFS_FWSTATS_FILE(rx, hdr_overflow, 20, "%u");
	133	DEBUGFS_FWSTATS_FILE(rx, hw_stuck, 20, "%u");
	134	DEBUGFS_FWSTATS_FILE(rx, dropped, 20, "%u");
	135	DEBUGFS_FWSTATS_FILE(rx, fcs_err, 20, "%u");
	136	DEBUGFS_FWSTATS_FILE(rx, xfr_hint_trig, 20, "%u");
	137	DEBUGFS_FWSTATS_FILE(rx, path_reset, 20, "%u");
	138	DEBUGFS_FWSTATS_FILE(rx, reset_counter, 20, "%u");
	139
	140	DEBUGFS_FWSTATS_FILE(dma, rx_requested, 20, "%u");
	141	DEBUGFS_FWSTATS_FILE(dma, rx_errors, 20, "%u");
	142	DEBUGFS_FWSTATS_FILE(dma, tx_requested, 20, "%u");
	143	DEBUGFS_FWSTATS_FILE(dma, tx_errors, 20, "%u");
	144
	145	DEBUGFS_FWSTATS_FILE(isr, cmd_cmplt, 20, "%u");
	146	DEBUGFS_FWSTATS_FILE(isr, fiqs, 20, "%u");
	147	DEBUGFS_FWSTATS_FILE(isr, rx_headers, 20, "%u");
	148	DEBUGFS_FWSTATS_FILE(isr, rx_mem_overflow, 20, "%u");
	149	DEBUGFS_FWSTATS_FILE(isr, rx_rdys, 20, "%u");
	150	DEBUGFS_FWSTATS_FILE(isr, irqs, 20, "%u");
	151	DEBUGFS_FWSTATS_FILE(isr, tx_procs, 20, "%u");
	152	DEBUGFS_FWSTATS_FILE(isr, decrypt_done, 20, "%u");
	153	DEBUGFS_FWSTATS_FILE(isr, dma0_done, 20, "%u");
	154	DEBUGFS_FWSTATS_FILE(isr, dma1_done, 20, "%u");
	155	DEBUGFS_FWSTATS_FILE(isr, tx_exch_complete, 20, "%u");
156	DEBUGFS_FWSTATS_FILE(isr, commands, 20, "%u");
157	DEBUGFS_FWSTATS_FILE(isr, rx_procs, 20, "%u");
158	DEBUGFS_FWSTATS_FILE(isr, hw_pm_mode_changes, 20, "%u");
159	DEBUGFS_FWSTATS_FILE(isr, host_acknowledges, 20, "%u");
160	DEBUGFS_FWSTATS_FILE(isr, pci_pm, 20, "%u");
161	DEBUGFS_FWSTATS_FILE(isr, wakeups, 20, "%u");
162	DEBUGFS_FWSTATS_FILE(isr, low_rssi, 20, "%u");
163
164	DEBUGFS_FWSTATS_FILE(wep, addr_key_count, 20, "%u");
165	DEBUGFS_FWSTATS_FILE(wep, default_key_count, 20, "%u");
166	/* skipping wep.reserved */
167	DEBUGFS_FWSTATS_FILE(wep, key_not_found, 20, "%u");
168	DEBUGFS_FWSTATS_FILE(wep, decrypt_fail, 20, "%u");
169	DEBUGFS_FWSTATS_FILE(wep, packets, 20, "%u");
170	DEBUGFS_FWSTATS_FILE(wep, interrupt, 20, "%u");
171
172	DEBUGFS_FWSTATS_FILE(pwr, ps_enter, 20, "%u");
173	DEBUGFS_FWSTATS_FILE(pwr, elp_enter, 20, "%u");
174	DEBUGFS_FWSTATS_FILE(pwr, missing_bcns, 20, "%u");
175	DEBUGFS_FWSTATS_FILE(pwr, wake_on_host, 20, "%u");
176	DEBUGFS_FWSTATS_FILE(pwr, wake_on_timer_exp, 20, "%u");
177	DEBUGFS_FWSTATS_FILE(pwr, tx_with_ps, 20, "%u");
178	DEBUGFS_FWSTATS_FILE(pwr, tx_without_ps, 20, "%u");
179	DEBUGFS_FWSTATS_FILE(pwr, rcvd_beacons, 20, "%u");
180	DEBUGFS_FWSTATS_FILE(pwr, power_save_off, 20, "%u");
181	DEBUGFS_FWSTATS_FILE(pwr, enable_ps, 20, "%u");
182	DEBUGFS_FWSTATS_FILE(pwr, disable_ps, 20, "%u");
183	DEBUGFS_FWSTATS_FILE(pwr, fix_tsf_ps, 20, "%u");
184	/* skipping cont_miss_bcns_spread for now */
185	DEBUGFS_FWSTATS_FILE(pwr, rcvd_awake_beacons, 20, "%u");
186
187	DEBUGFS_FWSTATS_FILE(mic, rx_pkts, 20, "%u");
188	DEBUGFS_FWSTATS_FILE(mic, calc_failure, 20, "%u");
189
190	DEBUGFS_FWSTATS_FILE(aes, encrypt_fail, 20, "%u");
191	DEBUGFS_FWSTATS_FILE(aes, decrypt_fail, 20, "%u");
192	DEBUGFS_FWSTATS_FILE(aes, encrypt_packets, 20, "%u");
193	DEBUGFS_FWSTATS_FILE(aes, decrypt_packets, 20, "%u");
194	DEBUGFS_FWSTATS_FILE(aes, encrypt_interrupt, 20, "%u");
195	DEBUGFS_FWSTATS_FILE(aes, decrypt_interrupt, 20, "%u");
196
197	DEBUGFS_FWSTATS_FILE(event, heart_beat, 20, "%u");
198	DEBUGFS_FWSTATS_FILE(event, calibration, 20, "%u");
199	DEBUGFS_FWSTATS_FILE(event, rx_mismatch, 20, "%u");
200	DEBUGFS_FWSTATS_FILE(event, rx_mem_empty, 20, "%u");
201	DEBUGFS_FWSTATS_FILE(event, rx_pool, 20, "%u");
202	DEBUGFS_FWSTATS_FILE(event, oom_late, 20, "%u");
203	DEBUGFS_FWSTATS_FILE(event, phy_transmit_error, 20, "%u");
204	DEBUGFS_FWSTATS_FILE(event, tx_stuck, 20, "%u");
205
206	DEBUGFS_FWSTATS_FILE(ps, pspoll_timeouts, 20, "%u");
207	DEBUGFS_FWSTATS_FILE(ps, upsd_timeouts, 20, "%u");
208	DEBUGFS_FWSTATS_FILE(ps, upsd_max_sptime, 20, "%u");
209	DEBUGFS_FWSTATS_FILE(ps, upsd_max_apturn, 20, "%u");
210	DEBUGFS_FWSTATS_FILE(ps, pspoll_max_apturn, 20, "%u");
211	DEBUGFS_FWSTATS_FILE(ps, pspoll_utilization, 20, "%u");
212	DEBUGFS_FWSTATS_FILE(ps, upsd_utilization, 20, "%u");
213
214	DEBUGFS_FWSTATS_FILE(rxpipe, rx_prep_beacon_drop, 20, "%u");
215	DEBUGFS_FWSTATS_FILE(rxpipe, descr_host_int_trig_rx_data, 20, "%u");
216	DEBUGFS_FWSTATS_FILE(rxpipe, beacon_buffer_thres_host_int_trig_rx_data,
217	20, "%u");
218	DEBUGFS_FWSTATS_FILE(rxpipe, missed_beacon_host_int_trig_rx_data, 20, "%u");
219	DEBUGFS_FWSTATS_FILE(rxpipe, tx_xfr_host_int_trig_rx_data, 20, "%u");
220
221	DEBUGFS_READONLY_FILE(retry_count, 20, "%u", wl->stats.retry_count);
222	DEBUGFS_READONLY_FILE(excessive_retries, 20, "%u",
223	wl->stats.excessive_retries);
224
225	static ssize_t tx_queue_len_read(struct file file, char __user userbuf,
226	size_t count, loff_t *ppos)
227	{
228	struct wl1271 *wl = file->private_data;
229	u32 queue_len;
230	char buf[20];
231	int res;
232
233	queue_len = skb_queue_len(&wl->tx_queue);
234
235	res = scnprintf(buf, sizeof(buf), "%u\n", queue_len);
236	return simple_read_from_buffer(userbuf, count, ppos, buf, res);
237	}
238
239	static const struct file_operations tx_queue_len_ops = {
240	.read = tx_queue_len_read,
241	.open = wl1271_open_file_generic,
6038f373	242	.llseek = default_llseek,
f5fc0f86 LC	243	};
f5fc0f86 LC	244
98b2a684 LC	245	static ssize_t gpio_power_read(struct file file, char __user user_buf,
	246	size_t count, loff_t *ppos)
	247	{
	248	struct wl1271 *wl = file->private_data;
71449f8d JO	249	bool state = test_bit(WL1271_FLAG_GPIO_POWER, &wl->flags);
71449f8d JO	250
98b2a684 LC	251	int res;
	252	char buf[10];
	253
71449f8d	254	res = scnprintf(buf, sizeof(buf), "%d\n", state);
98b2a684 LC	255
	256	return simple_read_from_buffer(user_buf, count, ppos, buf, res);
	257	}
	258
	259	static ssize_t gpio_power_write(struct file *file,
	260	const char __user *user_buf,
	261	size_t count, loff_t *ppos)
	262	{
	263	struct wl1271 *wl = file->private_data;
	264	char buf[10];
	265	size_t len;
	266	unsigned long value;
	267	int ret;
	268
	269	mutex_lock(&wl->mutex);
	270
	271	len = min(count, sizeof(buf) - 1);
	272	if (copy_from_user(buf, user_buf, len)) {
	273	ret = -EFAULT;
	274	goto out;
	275	}
	276	buf[len] = '\0';
	277
	278	ret = strict_strtoul(buf, 0, &value);
	279	if (ret < 0) {
	280	wl1271_warning("illegal value in gpio_power");
	281	goto out;
	282	}
	283
becd551c TP	284	if (value)
	285	wl1271_power_on(wl);
	286	else
	287	wl1271_power_off(wl);
98b2a684 LC	288
	289	out:
	290	mutex_unlock(&wl->mutex);
	291	return count;
	292	}
	293
	294	static const struct file_operations gpio_power_ops = {
	295	.read = gpio_power_read,
	296	.write = gpio_power_write,
6038f373 AB	297	.open = wl1271_open_file_generic,
6038f373 AB	298	.llseek = default_llseek,
98b2a684 LC	299	};
98b2a684 LC	300
f5fc0f86 LC	301	static void wl1271_debugfs_delete_files(struct wl1271 *wl)
	302	{
	303	DEBUGFS_FWSTATS_DEL(tx, internal_desc_overflow);
	304
	305	DEBUGFS_FWSTATS_DEL(rx, out_of_mem);
	306	DEBUGFS_FWSTATS_DEL(rx, hdr_overflow);
	307	DEBUGFS_FWSTATS_DEL(rx, hw_stuck);
	308	DEBUGFS_FWSTATS_DEL(rx, dropped);
	309	DEBUGFS_FWSTATS_DEL(rx, fcs_err);
	310	DEBUGFS_FWSTATS_DEL(rx, xfr_hint_trig);
	311	DEBUGFS_FWSTATS_DEL(rx, path_reset);
	312	DEBUGFS_FWSTATS_DEL(rx, reset_counter);
	313
	314	DEBUGFS_FWSTATS_DEL(dma, rx_requested);
	315	DEBUGFS_FWSTATS_DEL(dma, rx_errors);
	316	DEBUGFS_FWSTATS_DEL(dma, tx_requested);
	317	DEBUGFS_FWSTATS_DEL(dma, tx_errors);
	318
	319	DEBUGFS_FWSTATS_DEL(isr, cmd_cmplt);
	320	DEBUGFS_FWSTATS_DEL(isr, fiqs);
	321	DEBUGFS_FWSTATS_DEL(isr, rx_headers);
	322	DEBUGFS_FWSTATS_DEL(isr, rx_mem_overflow);
	323	DEBUGFS_FWSTATS_DEL(isr, rx_rdys);
	324	DEBUGFS_FWSTATS_DEL(isr, irqs);
	325	DEBUGFS_FWSTATS_DEL(isr, tx_procs);
	326	DEBUGFS_FWSTATS_DEL(isr, decrypt_done);
	327	DEBUGFS_FWSTATS_DEL(isr, dma0_done);
	328	DEBUGFS_FWSTATS_DEL(isr, dma1_done);
	329	DEBUGFS_FWSTATS_DEL(isr, tx_exch_complete);
	330	DEBUGFS_FWSTATS_DEL(isr, commands);
	331	DEBUGFS_FWSTATS_DEL(isr, rx_procs);
	332	DEBUGFS_FWSTATS_DEL(isr, hw_pm_mode_changes);
	333	DEBUGFS_FWSTATS_DEL(isr, host_acknowledges);
	334	DEBUGFS_FWSTATS_DEL(isr, pci_pm);
	335	DEBUGFS_FWSTATS_DEL(isr, wakeups);
	336	DEBUGFS_FWSTATS_DEL(isr, low_rssi);
	337
	338	DEBUGFS_FWSTATS_DEL(wep, addr_key_count);
	339	DEBUGFS_FWSTATS_DEL(wep, default_key_count);
	340	/* skipping wep.reserved */
	341	DEBUGFS_FWSTATS_DEL(wep, key_not_found);
	342	DEBUGFS_FWSTATS_DEL(wep, decrypt_fail);
	343	DEBUGFS_FWSTATS_DEL(wep, packets);
	344	DEBUGFS_FWSTATS_DEL(wep, interrupt);
	345
	346	DEBUGFS_FWSTATS_DEL(pwr, ps_enter);
	347	DEBUGFS_FWSTATS_DEL(pwr, elp_enter);
	348	DEBUGFS_FWSTATS_DEL(pwr, missing_bcns);
	349	DEBUGFS_FWSTATS_DEL(pwr, wake_on_host);
	350	DEBUGFS_FWSTATS_DEL(pwr, wake_on_timer_exp);
	351	DEBUGFS_FWSTATS_DEL(pwr, tx_with_ps);
	352	DEBUGFS_FWSTATS_DEL(pwr, tx_without_ps);
	353	DEBUGFS_FWSTATS_DEL(pwr, rcvd_beacons);
	354	DEBUGFS_FWSTATS_DEL(pwr, power_save_off);
	355	DEBUGFS_FWSTATS_DEL(pwr, enable_ps);
	356	DEBUGFS_FWSTATS_DEL(pwr, disable_ps);
	357	DEBUGFS_FWSTATS_DEL(pwr, fix_tsf_ps);
	358	/* skipping cont_miss_bcns_spread for now */
	359	DEBUGFS_FWSTATS_DEL(pwr, rcvd_awake_beacons);
	360
	361	DEBUGFS_FWSTATS_DEL(mic, rx_pkts);
	362	DEBUGFS_FWSTATS_DEL(mic, calc_failure);
	363
	364	DEBUGFS_FWSTATS_DEL(aes, encrypt_fail);
365	DEBUGFS_FWSTATS_DEL(aes, decrypt_fail);
366	DEBUGFS_FWSTATS_DEL(aes, encrypt_packets);
367	DEBUGFS_FWSTATS_DEL(aes, decrypt_packets);
368	DEBUGFS_FWSTATS_DEL(aes, encrypt_interrupt);
369	DEBUGFS_FWSTATS_DEL(aes, decrypt_interrupt);
370
371	DEBUGFS_FWSTATS_DEL(event, heart_beat);
372	DEBUGFS_FWSTATS_DEL(event, calibration);
373	DEBUGFS_FWSTATS_DEL(event, rx_mismatch);
374	DEBUGFS_FWSTATS_DEL(event, rx_mem_empty);
375	DEBUGFS_FWSTATS_DEL(event, rx_pool);
376	DEBUGFS_FWSTATS_DEL(event, oom_late);
377	DEBUGFS_FWSTATS_DEL(event, phy_transmit_error);
378	DEBUGFS_FWSTATS_DEL(event, tx_stuck);
379
380	DEBUGFS_FWSTATS_DEL(ps, pspoll_timeouts);
381	DEBUGFS_FWSTATS_DEL(ps, upsd_timeouts);
382	DEBUGFS_FWSTATS_DEL(ps, upsd_max_sptime);
383	DEBUGFS_FWSTATS_DEL(ps, upsd_max_apturn);
384	DEBUGFS_FWSTATS_DEL(ps, pspoll_max_apturn);
385	DEBUGFS_FWSTATS_DEL(ps, pspoll_utilization);
386	DEBUGFS_FWSTATS_DEL(ps, upsd_utilization);
387
388	DEBUGFS_FWSTATS_DEL(rxpipe, rx_prep_beacon_drop);
389	DEBUGFS_FWSTATS_DEL(rxpipe, descr_host_int_trig_rx_data);
390	DEBUGFS_FWSTATS_DEL(rxpipe, beacon_buffer_thres_host_int_trig_rx_data);
391	DEBUGFS_FWSTATS_DEL(rxpipe, missed_beacon_host_int_trig_rx_data);
392	DEBUGFS_FWSTATS_DEL(rxpipe, tx_xfr_host_int_trig_rx_data);
393
394	DEBUGFS_DEL(tx_queue_len);
395	DEBUGFS_DEL(retry_count);
396	DEBUGFS_DEL(excessive_retries);
98b2a684 LC	397
98b2a684 LC	398	DEBUGFS_DEL(gpio_power);
f5fc0f86 LC	399	}
	400
	401	static int wl1271_debugfs_add_files(struct wl1271 *wl)
	402	{
	403	int ret = 0;
	404
	405	DEBUGFS_FWSTATS_ADD(tx, internal_desc_overflow);
	406
	407	DEBUGFS_FWSTATS_ADD(rx, out_of_mem);
	408	DEBUGFS_FWSTATS_ADD(rx, hdr_overflow);
	409	DEBUGFS_FWSTATS_ADD(rx, hw_stuck);
	410	DEBUGFS_FWSTATS_ADD(rx, dropped);
	411	DEBUGFS_FWSTATS_ADD(rx, fcs_err);
	412	DEBUGFS_FWSTATS_ADD(rx, xfr_hint_trig);
	413	DEBUGFS_FWSTATS_ADD(rx, path_reset);
	414	DEBUGFS_FWSTATS_ADD(rx, reset_counter);
	415
	416	DEBUGFS_FWSTATS_ADD(dma, rx_requested);
	417	DEBUGFS_FWSTATS_ADD(dma, rx_errors);
	418	DEBUGFS_FWSTATS_ADD(dma, tx_requested);
	419	DEBUGFS_FWSTATS_ADD(dma, tx_errors);
	420
	421	DEBUGFS_FWSTATS_ADD(isr, cmd_cmplt);
	422	DEBUGFS_FWSTATS_ADD(isr, fiqs);
	423	DEBUGFS_FWSTATS_ADD(isr, rx_headers);
	424	DEBUGFS_FWSTATS_ADD(isr, rx_mem_overflow);
	425	DEBUGFS_FWSTATS_ADD(isr, rx_rdys);
	426	DEBUGFS_FWSTATS_ADD(isr, irqs);
	427	DEBUGFS_FWSTATS_ADD(isr, tx_procs);
	428	DEBUGFS_FWSTATS_ADD(isr, decrypt_done);
	429	DEBUGFS_FWSTATS_ADD(isr, dma0_done);
	430	DEBUGFS_FWSTATS_ADD(isr, dma1_done);
	431	DEBUGFS_FWSTATS_ADD(isr, tx_exch_complete);
	432	DEBUGFS_FWSTATS_ADD(isr, commands);
	433	DEBUGFS_FWSTATS_ADD(isr, rx_procs);
	434	DEBUGFS_FWSTATS_ADD(isr, hw_pm_mode_changes);
	435	DEBUGFS_FWSTATS_ADD(isr, host_acknowledges);
	436	DEBUGFS_FWSTATS_ADD(isr, pci_pm);
	437	DEBUGFS_FWSTATS_ADD(isr, wakeups);
	438	DEBUGFS_FWSTATS_ADD(isr, low_rssi);
	439
	440	DEBUGFS_FWSTATS_ADD(wep, addr_key_count);
	441	DEBUGFS_FWSTATS_ADD(wep, default_key_count);
	442	/* skipping wep.reserved */
	443	DEBUGFS_FWSTATS_ADD(wep, key_not_found);
	444	DEBUGFS_FWSTATS_ADD(wep, decrypt_fail);
	445	DEBUGFS_FWSTATS_ADD(wep, packets);
	446	DEBUGFS_FWSTATS_ADD(wep, interrupt);
	447
	448	DEBUGFS_FWSTATS_ADD(pwr, ps_enter);
	449	DEBUGFS_FWSTATS_ADD(pwr, elp_enter);
	450	DEBUGFS_FWSTATS_ADD(pwr, missing_bcns);
	451	DEBUGFS_FWSTATS_ADD(pwr, wake_on_host);
	452	DEBUGFS_FWSTATS_ADD(pwr, wake_on_timer_exp);
	453	DEBUGFS_FWSTATS_ADD(pwr, tx_with_ps);
	454	DEBUGFS_FWSTATS_ADD(pwr, tx_without_ps);
	455	DEBUGFS_FWSTATS_ADD(pwr, rcvd_beacons);
	456	DEBUGFS_FWSTATS_ADD(pwr, power_save_off);
	457	DEBUGFS_FWSTATS_ADD(pwr, enable_ps);
	458	DEBUGFS_FWSTATS_ADD(pwr, disable_ps);
	459	DEBUGFS_FWSTATS_ADD(pwr, fix_tsf_ps);
	460	/* skipping cont_miss_bcns_spread for now */
	461	DEBUGFS_FWSTATS_ADD(pwr, rcvd_awake_beacons);
	462
463	DEBUGFS_FWSTATS_ADD(mic, rx_pkts);
464	DEBUGFS_FWSTATS_ADD(mic, calc_failure);
465
466	DEBUGFS_FWSTATS_ADD(aes, encrypt_fail);
467	DEBUGFS_FWSTATS_ADD(aes, decrypt_fail);
468	DEBUGFS_FWSTATS_ADD(aes, encrypt_packets);
469	DEBUGFS_FWSTATS_ADD(aes, decrypt_packets);
470	DEBUGFS_FWSTATS_ADD(aes, encrypt_interrupt);
471	DEBUGFS_FWSTATS_ADD(aes, decrypt_interrupt);
472
473	DEBUGFS_FWSTATS_ADD(event, heart_beat);
474	DEBUGFS_FWSTATS_ADD(event, calibration);
475	DEBUGFS_FWSTATS_ADD(event, rx_mismatch);
476	DEBUGFS_FWSTATS_ADD(event, rx_mem_empty);
477	DEBUGFS_FWSTATS_ADD(event, rx_pool);
478	DEBUGFS_FWSTATS_ADD(event, oom_late);
479	DEBUGFS_FWSTATS_ADD(event, phy_transmit_error);
480	DEBUGFS_FWSTATS_ADD(event, tx_stuck);
481
482	DEBUGFS_FWSTATS_ADD(ps, pspoll_timeouts);
483	DEBUGFS_FWSTATS_ADD(ps, upsd_timeouts);
484	DEBUGFS_FWSTATS_ADD(ps, upsd_max_sptime);
485	DEBUGFS_FWSTATS_ADD(ps, upsd_max_apturn);
486	DEBUGFS_FWSTATS_ADD(ps, pspoll_max_apturn);
487	DEBUGFS_FWSTATS_ADD(ps, pspoll_utilization);
488	DEBUGFS_FWSTATS_ADD(ps, upsd_utilization);
489
490	DEBUGFS_FWSTATS_ADD(rxpipe, rx_prep_beacon_drop);
491	DEBUGFS_FWSTATS_ADD(rxpipe, descr_host_int_trig_rx_data);
492	DEBUGFS_FWSTATS_ADD(rxpipe, beacon_buffer_thres_host_int_trig_rx_data);
493	DEBUGFS_FWSTATS_ADD(rxpipe, missed_beacon_host_int_trig_rx_data);
494	DEBUGFS_FWSTATS_ADD(rxpipe, tx_xfr_host_int_trig_rx_data);
495
496	DEBUGFS_ADD(tx_queue_len, wl->debugfs.rootdir);
497	DEBUGFS_ADD(retry_count, wl->debugfs.rootdir);
498	DEBUGFS_ADD(excessive_retries, wl->debugfs.rootdir);
499
98b2a684 LC	500	DEBUGFS_ADD(gpio_power, wl->debugfs.rootdir);
98b2a684 LC	501
f5fc0f86 LC	502	out:
	503	if (ret < 0)
	504	wl1271_debugfs_delete_files(wl);
	505
	506	return ret;
	507	}
	508
	509	void wl1271_debugfs_reset(struct wl1271 *wl)
	510	{
	511	memset(wl->stats.fw_stats, 0, sizeof(*wl->stats.fw_stats));
	512	wl->stats.retry_count = 0;
	513	wl->stats.excessive_retries = 0;
	514	}
	515
	516	int wl1271_debugfs_init(struct wl1271 *wl)
	517	{
	518	int ret;
	519
	520	wl->debugfs.rootdir = debugfs_create_dir(KBUILD_MODNAME, NULL);
	521
	522	if (IS_ERR(wl->debugfs.rootdir)) {
	523	ret = PTR_ERR(wl->debugfs.rootdir);
	524	wl->debugfs.rootdir = NULL;
	525	goto err;
	526	}
	527
	528	wl->debugfs.fw_statistics = debugfs_create_dir("fw-statistics",
	529	wl->debugfs.rootdir);
	530
	531	if (IS_ERR(wl->debugfs.fw_statistics)) {
	532	ret = PTR_ERR(wl->debugfs.fw_statistics);
	533	wl->debugfs.fw_statistics = NULL;
	534	goto err_root;
	535	}
	536
	537	wl->stats.fw_stats = kzalloc(sizeof(*wl->stats.fw_stats),
	538	GFP_KERNEL);
	539
	540	if (!wl->stats.fw_stats) {
	541	ret = -ENOMEM;
	542	goto err_fw;
	543	}
	544
	545	wl->stats.fw_stats_update = jiffies;
	546
	547	ret = wl1271_debugfs_add_files(wl);
	548
	549	if (ret < 0)
	550	goto err_file;
	551
	552	return 0;
	553
	554	err_file:
	555	kfree(wl->stats.fw_stats);
	556	wl->stats.fw_stats = NULL;
	557
	558	err_fw:
	559	debugfs_remove(wl->debugfs.fw_statistics);
	560	wl->debugfs.fw_statistics = NULL;
	561
	562	err_root:
	563	debugfs_remove(wl->debugfs.rootdir);
	564	wl->debugfs.rootdir = NULL;
	565
566	err:
567	return ret;
568	}
569
570	void wl1271_debugfs_exit(struct wl1271 *wl)
571	{
572	wl1271_debugfs_delete_files(wl);
573
574	kfree(wl->stats.fw_stats);
575	wl->stats.fw_stats = NULL;
576
577	debugfs_remove(wl->debugfs.fw_statistics);
578	wl->debugfs.fw_statistics = NULL;
579
580	debugfs_remove(wl->debugfs.rootdir);
581	wl->debugfs.rootdir = NULL;
582
583	}