[deliverable/linux.git] / drivers / net / wireless / wl1251 / debugfs.c

/*
 * This file is part of wl1251
 *
 * Copyright (C) 2009 Nokia Corporation
 *
 * 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 "debugfs.h"

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

#include "wl1251.h"
#include "acx.h"
#include "ps.h"

/* ms */
#define WL1251_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 wl1251 *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 = simple_open,						\
	.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 wl1251 *wl = file->private_data;				\
	char buf[buflen];						\
	int res;							\
									\
	wl1251_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 = simple_open,						\
	.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 wl1251_debugfs_update_stats(struct wl1251 *wl)
{
	int ret;

	mutex_lock(&wl->mutex);

	ret = wl1251_ps_elp_wakeup(wl);
	if (ret < 0)
		goto out;

	if (wl->state == WL1251_STATE_ON &&
	    time_after(jiffies, wl->stats.fw_stats_update +
		       msecs_to_jiffies(WL1251_DEBUGFS_STATS_LIFETIME))) {
		wl1251_acx_statistics(wl, wl->stats.fw_stats);
		wl->stats.fw_stats_update = jiffies;
	}

	wl1251_ps_elp_sleep(wl);

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

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 wl1251 *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 = simple_open,
	.llseek = generic_file_llseek,
};

static ssize_t tx_queue_status_read(struct file *file, char __user *userbuf,
				    size_t count, loff_t *ppos)
{
	struct wl1251 *wl = file->private_data;
	char buf[3], status;
	int len;

	if (wl->tx_queue_stopped)
		status = 's';
	else
		status = 'r';

	len = scnprintf(buf, sizeof(buf), "%c\n", status);
	return simple_read_from_buffer(userbuf, count, ppos, buf, len);
}

static const struct file_operations tx_queue_status_ops = {
	.read = tx_queue_status_read,
	.open = simple_open,
	.llseek = generic_file_llseek,
};

static void wl1251_debugfs_delete_files(struct wl1251 *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(tx_queue_status);
	DEBUGFS_DEL(retry_count);
	DEBUGFS_DEL(excessive_retries);
}

static int wl1251_debugfs_add_files(struct wl1251 *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(tx_queue_status, wl->debugfs.rootdir);
	DEBUGFS_ADD(retry_count, wl->debugfs.rootdir);
	DEBUGFS_ADD(excessive_retries, wl->debugfs.rootdir);

out:
	if (ret < 0)
		wl1251_debugfs_delete_files(wl);

	return ret;
}

void wl1251_debugfs_reset(struct wl1251 *wl)
{
	if (wl->stats.fw_stats != NULL)
		memset(wl->stats.fw_stats, 0, sizeof(*wl->stats.fw_stats));
	wl->stats.retry_count = 0;
	wl->stats.excessive_retries = 0;
}

int wl1251_debugfs_init(struct wl1251 *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 = wl1251_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 wl1251_debugfs_exit(struct wl1251 *wl)
{
	wl1251_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
2f01a1f5	1	/*
80301cdc	2	* This file is part of wl1251
2f01a1f5 KV	3	*
	4	* Copyright (C) 2009 Nokia Corporation
	5	*
2f01a1f5 KV	6	* This program is free software; you can redistribute it and/or
	7	* modify it under the terms of the GNU General Public License
	8	* version 2 as published by the Free Software Foundation.
	9	*
	10	* This program is distributed in the hope that it will be useful, but
	11	* WITHOUT ANY WARRANTY; without even the implied warranty of
	12	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	13	* General Public License for more details.
	14	*
	15	* You should have received a copy of the GNU General Public License
	16	* along with this program; if not, write to the Free Software
	17	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
	18	* 02110-1301 USA
	19	*
	20	*/
	21
9bc6772e	22	#include "debugfs.h"
2f01a1f5 KV	23
2f01a1f5 KV	24	#include <linux/skbuff.h>
5a0e3ad6	25	#include <linux/slab.h>
2f01a1f5	26
13674118	27	#include "wl1251.h"
9bc6772e KV	28	#include "acx.h"
9bc6772e KV	29	#include "ps.h"
2f01a1f5 KV	30
2f01a1f5 KV	31	/* ms */
80301cdc	32	#define WL1251_DEBUGFS_STATS_LIFETIME 1000
2f01a1f5 KV	33
	34	/* debugfs macros idea from mac80211 */
	35
	36	#define DEBUGFS_READONLY_FILE(name, buflen, fmt, value...) \
	37	static ssize_t name## _read(struct file file, char __user userbuf, \
	38	size_t count, loff_t *ppos) \
	39	{ \
80301cdc	40	struct wl1251 *wl = file->private_data; \
2f01a1f5 KV	41	char buf[buflen]; \
	42	int res; \
	43	\
	44	res = scnprintf(buf, buflen, fmt "\n", ##value); \
	45	return simple_read_from_buffer(userbuf, count, ppos, buf, res); \
	46	} \
	47	\
	48	static const struct file_operations name## _ops = { \
	49	.read = name## _read, \
234e3405	50	.open = simple_open, \
2b18ab36	51	.llseek = generic_file_llseek, \
2f01a1f5 KV	52	};
	53
	54	#define DEBUGFS_ADD(name, parent) \
	55	wl->debugfs.name = debugfs_create_file(#name, 0400, parent, \
	56	wl, &name## _ops); \
	57	if (IS_ERR(wl->debugfs.name)) { \
	58	ret = PTR_ERR(wl->debugfs.name); \
	59	wl->debugfs.name = NULL; \
	60	goto out; \
	61	}
	62
	63	#define DEBUGFS_DEL(name) \
	64	do { \
	65	debugfs_remove(wl->debugfs.name); \
	66	wl->debugfs.name = NULL; \
	67	} while (0)
	68
	69	#define DEBUGFS_FWSTATS_FILE(sub, name, buflen, fmt) \
	70	static ssize_t sub## _ ##name## _read(struct file *file, \
	71	char __user *userbuf, \
	72	size_t count, loff_t *ppos) \
	73	{ \
80301cdc	74	struct wl1251 *wl = file->private_data; \
2f01a1f5 KV	75	char buf[buflen]; \
	76	int res; \
	77	\
80301cdc	78	wl1251_debugfs_update_stats(wl); \
2f01a1f5 KV	79	\
	80	res = scnprintf(buf, buflen, fmt "\n", \
	81	wl->stats.fw_stats->sub.name); \
	82	return simple_read_from_buffer(userbuf, count, ppos, buf, res); \
	83	} \
	84	\
	85	static const struct file_operations sub## _ ##name## _ops = { \
	86	.read = sub## _ ##name## _read, \
234e3405	87	.open = simple_open, \
2b18ab36	88	.llseek = generic_file_llseek, \
2f01a1f5 KV	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
80301cdc	97	static void wl1251_debugfs_update_stats(struct wl1251 *wl)
2f01a1f5	98	{
c5483b71 KV	99	int ret;
c5483b71 KV	100
2f01a1f5 KV	101	mutex_lock(&wl->mutex);
2f01a1f5 KV	102
80301cdc	103	ret = wl1251_ps_elp_wakeup(wl);
c5483b71 KV	104	if (ret < 0)
c5483b71 KV	105	goto out;
01d9cfbd	106
80301cdc	107	if (wl->state == WL1251_STATE_ON &&
2f01a1f5	108	time_after(jiffies, wl->stats.fw_stats_update +
80301cdc KV	109	msecs_to_jiffies(WL1251_DEBUGFS_STATS_LIFETIME))) {
80301cdc KV	110	wl1251_acx_statistics(wl, wl->stats.fw_stats);
2f01a1f5 KV	111	wl->stats.fw_stats_update = jiffies;
	112	}
	113
80301cdc	114	wl1251_ps_elp_sleep(wl);
01d9cfbd	115
c5483b71	116	out:
2f01a1f5 KV	117	mutex_unlock(&wl->mutex);
	118	}
	119
2f01a1f5 KV	120	DEBUGFS_FWSTATS_FILE(tx, internal_desc_overflow, 20, "%u");
	121
	122	DEBUGFS_FWSTATS_FILE(rx, out_of_mem, 20, "%u");
	123	DEBUGFS_FWSTATS_FILE(rx, hdr_overflow, 20, "%u");
	124	DEBUGFS_FWSTATS_FILE(rx, hw_stuck, 20, "%u");
	125	DEBUGFS_FWSTATS_FILE(rx, dropped, 20, "%u");
	126	DEBUGFS_FWSTATS_FILE(rx, fcs_err, 20, "%u");
	127	DEBUGFS_FWSTATS_FILE(rx, xfr_hint_trig, 20, "%u");
	128	DEBUGFS_FWSTATS_FILE(rx, path_reset, 20, "%u");
	129	DEBUGFS_FWSTATS_FILE(rx, reset_counter, 20, "%u");
	130
	131	DEBUGFS_FWSTATS_FILE(dma, rx_requested, 20, "%u");
	132	DEBUGFS_FWSTATS_FILE(dma, rx_errors, 20, "%u");
	133	DEBUGFS_FWSTATS_FILE(dma, tx_requested, 20, "%u");
	134	DEBUGFS_FWSTATS_FILE(dma, tx_errors, 20, "%u");
	135
	136	DEBUGFS_FWSTATS_FILE(isr, cmd_cmplt, 20, "%u");
	137	DEBUGFS_FWSTATS_FILE(isr, fiqs, 20, "%u");
	138	DEBUGFS_FWSTATS_FILE(isr, rx_headers, 20, "%u");
	139	DEBUGFS_FWSTATS_FILE(isr, rx_mem_overflow, 20, "%u");
	140	DEBUGFS_FWSTATS_FILE(isr, rx_rdys, 20, "%u");
	141	DEBUGFS_FWSTATS_FILE(isr, irqs, 20, "%u");
	142	DEBUGFS_FWSTATS_FILE(isr, tx_procs, 20, "%u");
	143	DEBUGFS_FWSTATS_FILE(isr, decrypt_done, 20, "%u");
	144	DEBUGFS_FWSTATS_FILE(isr, dma0_done, 20, "%u");
	145	DEBUGFS_FWSTATS_FILE(isr, dma1_done, 20, "%u");
	146	DEBUGFS_FWSTATS_FILE(isr, tx_exch_complete, 20, "%u");
	147	DEBUGFS_FWSTATS_FILE(isr, commands, 20, "%u");
	148	DEBUGFS_FWSTATS_FILE(isr, rx_procs, 20, "%u");
	149	DEBUGFS_FWSTATS_FILE(isr, hw_pm_mode_changes, 20, "%u");
	150	DEBUGFS_FWSTATS_FILE(isr, host_acknowledges, 20, "%u");
	151	DEBUGFS_FWSTATS_FILE(isr, pci_pm, 20, "%u");
	152	DEBUGFS_FWSTATS_FILE(isr, wakeups, 20, "%u");
	153	DEBUGFS_FWSTATS_FILE(isr, low_rssi, 20, "%u");
	154
	155	DEBUGFS_FWSTATS_FILE(wep, addr_key_count, 20, "%u");
	156	DEBUGFS_FWSTATS_FILE(wep, default_key_count, 20, "%u");
	157	/* skipping wep.reserved */
	158	DEBUGFS_FWSTATS_FILE(wep, key_not_found, 20, "%u");
	159	DEBUGFS_FWSTATS_FILE(wep, decrypt_fail, 20, "%u");
	160	DEBUGFS_FWSTATS_FILE(wep, packets, 20, "%u");
	161	DEBUGFS_FWSTATS_FILE(wep, interrupt, 20, "%u");
	162
	163	DEBUGFS_FWSTATS_FILE(pwr, ps_enter, 20, "%u");
	164	DEBUGFS_FWSTATS_FILE(pwr, elp_enter, 20, "%u");
	165	DEBUGFS_FWSTATS_FILE(pwr, missing_bcns, 20, "%u");
	166	DEBUGFS_FWSTATS_FILE(pwr, wake_on_host, 20, "%u");
	167	DEBUGFS_FWSTATS_FILE(pwr, wake_on_timer_exp, 20, "%u");
	168	DEBUGFS_FWSTATS_FILE(pwr, tx_with_ps, 20, "%u");
	169	DEBUGFS_FWSTATS_FILE(pwr, tx_without_ps, 20, "%u");
	170	DEBUGFS_FWSTATS_FILE(pwr, rcvd_beacons, 20, "%u");
	171	DEBUGFS_FWSTATS_FILE(pwr, power_save_off, 20, "%u");
	172	DEBUGFS_FWSTATS_FILE(pwr, enable_ps, 20, "%u");
	173	DEBUGFS_FWSTATS_FILE(pwr, disable_ps, 20, "%u");
	174	DEBUGFS_FWSTATS_FILE(pwr, fix_tsf_ps, 20, "%u");
	175	/* skipping cont_miss_bcns_spread for now */
	176	DEBUGFS_FWSTATS_FILE(pwr, rcvd_awake_beacons, 20, "%u");
	177
	178	DEBUGFS_FWSTATS_FILE(mic, rx_pkts, 20, "%u");
	179	DEBUGFS_FWSTATS_FILE(mic, calc_failure, 20, "%u");
	180
	181	DEBUGFS_FWSTATS_FILE(aes, encrypt_fail, 20, "%u");
	182	DEBUGFS_FWSTATS_FILE(aes, decrypt_fail, 20, "%u");
	183	DEBUGFS_FWSTATS_FILE(aes, encrypt_packets, 20, "%u");
184	DEBUGFS_FWSTATS_FILE(aes, decrypt_packets, 20, "%u");
185	DEBUGFS_FWSTATS_FILE(aes, encrypt_interrupt, 20, "%u");
186	DEBUGFS_FWSTATS_FILE(aes, decrypt_interrupt, 20, "%u");
187
188	DEBUGFS_FWSTATS_FILE(event, heart_beat, 20, "%u");
189	DEBUGFS_FWSTATS_FILE(event, calibration, 20, "%u");
190	DEBUGFS_FWSTATS_FILE(event, rx_mismatch, 20, "%u");
191	DEBUGFS_FWSTATS_FILE(event, rx_mem_empty, 20, "%u");
192	DEBUGFS_FWSTATS_FILE(event, rx_pool, 20, "%u");
193	DEBUGFS_FWSTATS_FILE(event, oom_late, 20, "%u");
194	DEBUGFS_FWSTATS_FILE(event, phy_transmit_error, 20, "%u");
195	DEBUGFS_FWSTATS_FILE(event, tx_stuck, 20, "%u");
196
197	DEBUGFS_FWSTATS_FILE(ps, pspoll_timeouts, 20, "%u");
198	DEBUGFS_FWSTATS_FILE(ps, upsd_timeouts, 20, "%u");
199	DEBUGFS_FWSTATS_FILE(ps, upsd_max_sptime, 20, "%u");
200	DEBUGFS_FWSTATS_FILE(ps, upsd_max_apturn, 20, "%u");
201	DEBUGFS_FWSTATS_FILE(ps, pspoll_max_apturn, 20, "%u");
202	DEBUGFS_FWSTATS_FILE(ps, pspoll_utilization, 20, "%u");
203	DEBUGFS_FWSTATS_FILE(ps, upsd_utilization, 20, "%u");
204
205	DEBUGFS_FWSTATS_FILE(rxpipe, rx_prep_beacon_drop, 20, "%u");
206	DEBUGFS_FWSTATS_FILE(rxpipe, descr_host_int_trig_rx_data, 20, "%u");
207	DEBUGFS_FWSTATS_FILE(rxpipe, beacon_buffer_thres_host_int_trig_rx_data,
208	20, "%u");
209	DEBUGFS_FWSTATS_FILE(rxpipe, missed_beacon_host_int_trig_rx_data, 20, "%u");
210	DEBUGFS_FWSTATS_FILE(rxpipe, tx_xfr_host_int_trig_rx_data, 20, "%u");
211
212	DEBUGFS_READONLY_FILE(retry_count, 20, "%u", wl->stats.retry_count);
213	DEBUGFS_READONLY_FILE(excessive_retries, 20, "%u",
214	wl->stats.excessive_retries);
215
216	static ssize_t tx_queue_len_read(struct file file, char __user userbuf,
217	size_t count, loff_t *ppos)
218	{
80301cdc	219	struct wl1251 *wl = file->private_data;
2f01a1f5 KV	220	u32 queue_len;
	221	char buf[20];
	222	int res;
	223
	224	queue_len = skb_queue_len(&wl->tx_queue);
	225
	226	res = scnprintf(buf, sizeof(buf), "%u\n", queue_len);
	227	return simple_read_from_buffer(userbuf, count, ppos, buf, res);
	228	}
	229
	230	static const struct file_operations tx_queue_len_ops = {
	231	.read = tx_queue_len_read,
234e3405	232	.open = simple_open,
6038f373	233	.llseek = generic_file_llseek,
2f01a1f5 KV	234	};
2f01a1f5 KV	235
b7339b1d KV	236	static ssize_t tx_queue_status_read(struct file file, char __user userbuf,
	237	size_t count, loff_t *ppos)
	238	{
	239	struct wl1251 *wl = file->private_data;
	240	char buf[3], status;
	241	int len;
	242
	243	if (wl->tx_queue_stopped)
	244	status = 's';
	245	else
	246	status = 'r';
	247
	248	len = scnprintf(buf, sizeof(buf), "%c\n", status);
	249	return simple_read_from_buffer(userbuf, count, ppos, buf, len);
	250	}
	251
	252	static const struct file_operations tx_queue_status_ops = {
	253	.read = tx_queue_status_read,
234e3405	254	.open = simple_open,
6038f373	255	.llseek = generic_file_llseek,
b7339b1d KV	256	};
b7339b1d KV	257
80301cdc	258	static void wl1251_debugfs_delete_files(struct wl1251 *wl)
2f01a1f5 KV	259	{
	260	DEBUGFS_FWSTATS_DEL(tx, internal_desc_overflow);
	261
	262	DEBUGFS_FWSTATS_DEL(rx, out_of_mem);
	263	DEBUGFS_FWSTATS_DEL(rx, hdr_overflow);
	264	DEBUGFS_FWSTATS_DEL(rx, hw_stuck);
	265	DEBUGFS_FWSTATS_DEL(rx, dropped);
	266	DEBUGFS_FWSTATS_DEL(rx, fcs_err);
	267	DEBUGFS_FWSTATS_DEL(rx, xfr_hint_trig);
	268	DEBUGFS_FWSTATS_DEL(rx, path_reset);
	269	DEBUGFS_FWSTATS_DEL(rx, reset_counter);
	270
	271	DEBUGFS_FWSTATS_DEL(dma, rx_requested);
	272	DEBUGFS_FWSTATS_DEL(dma, rx_errors);
	273	DEBUGFS_FWSTATS_DEL(dma, tx_requested);
	274	DEBUGFS_FWSTATS_DEL(dma, tx_errors);
	275
	276	DEBUGFS_FWSTATS_DEL(isr, cmd_cmplt);
	277	DEBUGFS_FWSTATS_DEL(isr, fiqs);
	278	DEBUGFS_FWSTATS_DEL(isr, rx_headers);
	279	DEBUGFS_FWSTATS_DEL(isr, rx_mem_overflow);
	280	DEBUGFS_FWSTATS_DEL(isr, rx_rdys);
	281	DEBUGFS_FWSTATS_DEL(isr, irqs);
	282	DEBUGFS_FWSTATS_DEL(isr, tx_procs);
	283	DEBUGFS_FWSTATS_DEL(isr, decrypt_done);
	284	DEBUGFS_FWSTATS_DEL(isr, dma0_done);
	285	DEBUGFS_FWSTATS_DEL(isr, dma1_done);
	286	DEBUGFS_FWSTATS_DEL(isr, tx_exch_complete);
	287	DEBUGFS_FWSTATS_DEL(isr, commands);
	288	DEBUGFS_FWSTATS_DEL(isr, rx_procs);
	289	DEBUGFS_FWSTATS_DEL(isr, hw_pm_mode_changes);
	290	DEBUGFS_FWSTATS_DEL(isr, host_acknowledges);
	291	DEBUGFS_FWSTATS_DEL(isr, pci_pm);
	292	DEBUGFS_FWSTATS_DEL(isr, wakeups);
	293	DEBUGFS_FWSTATS_DEL(isr, low_rssi);
	294
	295	DEBUGFS_FWSTATS_DEL(wep, addr_key_count);
	296	DEBUGFS_FWSTATS_DEL(wep, default_key_count);
	297	/* skipping wep.reserved */
	298	DEBUGFS_FWSTATS_DEL(wep, key_not_found);
	299	DEBUGFS_FWSTATS_DEL(wep, decrypt_fail);
	300	DEBUGFS_FWSTATS_DEL(wep, packets);
	301	DEBUGFS_FWSTATS_DEL(wep, interrupt);
	302
	303	DEBUGFS_FWSTATS_DEL(pwr, ps_enter);
	304	DEBUGFS_FWSTATS_DEL(pwr, elp_enter);
	305	DEBUGFS_FWSTATS_DEL(pwr, missing_bcns);
	306	DEBUGFS_FWSTATS_DEL(pwr, wake_on_host);
	307	DEBUGFS_FWSTATS_DEL(pwr, wake_on_timer_exp);
	308	DEBUGFS_FWSTATS_DEL(pwr, tx_with_ps);
	309	DEBUGFS_FWSTATS_DEL(pwr, tx_without_ps);
	310	DEBUGFS_FWSTATS_DEL(pwr, rcvd_beacons);
	311	DEBUGFS_FWSTATS_DEL(pwr, power_save_off);
	312	DEBUGFS_FWSTATS_DEL(pwr, enable_ps);
	313	DEBUGFS_FWSTATS_DEL(pwr, disable_ps);
	314	DEBUGFS_FWSTATS_DEL(pwr, fix_tsf_ps);
	315	/* skipping cont_miss_bcns_spread for now */
	316	DEBUGFS_FWSTATS_DEL(pwr, rcvd_awake_beacons);
	317
	318	DEBUGFS_FWSTATS_DEL(mic, rx_pkts);
	319	DEBUGFS_FWSTATS_DEL(mic, calc_failure);
	320
	321	DEBUGFS_FWSTATS_DEL(aes, encrypt_fail);
	322	DEBUGFS_FWSTATS_DEL(aes, decrypt_fail);
323	DEBUGFS_FWSTATS_DEL(aes, encrypt_packets);
324	DEBUGFS_FWSTATS_DEL(aes, decrypt_packets);
325	DEBUGFS_FWSTATS_DEL(aes, encrypt_interrupt);
326	DEBUGFS_FWSTATS_DEL(aes, decrypt_interrupt);
327
328	DEBUGFS_FWSTATS_DEL(event, heart_beat);
329	DEBUGFS_FWSTATS_DEL(event, calibration);
330	DEBUGFS_FWSTATS_DEL(event, rx_mismatch);
331	DEBUGFS_FWSTATS_DEL(event, rx_mem_empty);
332	DEBUGFS_FWSTATS_DEL(event, rx_pool);
333	DEBUGFS_FWSTATS_DEL(event, oom_late);
334	DEBUGFS_FWSTATS_DEL(event, phy_transmit_error);
335	DEBUGFS_FWSTATS_DEL(event, tx_stuck);
336
337	DEBUGFS_FWSTATS_DEL(ps, pspoll_timeouts);
338	DEBUGFS_FWSTATS_DEL(ps, upsd_timeouts);
339	DEBUGFS_FWSTATS_DEL(ps, upsd_max_sptime);
340	DEBUGFS_FWSTATS_DEL(ps, upsd_max_apturn);
341	DEBUGFS_FWSTATS_DEL(ps, pspoll_max_apturn);
342	DEBUGFS_FWSTATS_DEL(ps, pspoll_utilization);
343	DEBUGFS_FWSTATS_DEL(ps, upsd_utilization);
344
345	DEBUGFS_FWSTATS_DEL(rxpipe, rx_prep_beacon_drop);
346	DEBUGFS_FWSTATS_DEL(rxpipe, descr_host_int_trig_rx_data);
347	DEBUGFS_FWSTATS_DEL(rxpipe, beacon_buffer_thres_host_int_trig_rx_data);
348	DEBUGFS_FWSTATS_DEL(rxpipe, missed_beacon_host_int_trig_rx_data);
349	DEBUGFS_FWSTATS_DEL(rxpipe, tx_xfr_host_int_trig_rx_data);
350
351	DEBUGFS_DEL(tx_queue_len);
b7339b1d	352	DEBUGFS_DEL(tx_queue_status);
2f01a1f5 KV	353	DEBUGFS_DEL(retry_count);
	354	DEBUGFS_DEL(excessive_retries);
	355	}
	356
80301cdc	357	static int wl1251_debugfs_add_files(struct wl1251 *wl)
2f01a1f5 KV	358	{
	359	int ret = 0;
	360
	361	DEBUGFS_FWSTATS_ADD(tx, internal_desc_overflow);
	362
	363	DEBUGFS_FWSTATS_ADD(rx, out_of_mem);
	364	DEBUGFS_FWSTATS_ADD(rx, hdr_overflow);
	365	DEBUGFS_FWSTATS_ADD(rx, hw_stuck);
	366	DEBUGFS_FWSTATS_ADD(rx, dropped);
	367	DEBUGFS_FWSTATS_ADD(rx, fcs_err);
	368	DEBUGFS_FWSTATS_ADD(rx, xfr_hint_trig);
	369	DEBUGFS_FWSTATS_ADD(rx, path_reset);
	370	DEBUGFS_FWSTATS_ADD(rx, reset_counter);
	371
	372	DEBUGFS_FWSTATS_ADD(dma, rx_requested);
	373	DEBUGFS_FWSTATS_ADD(dma, rx_errors);
	374	DEBUGFS_FWSTATS_ADD(dma, tx_requested);
	375	DEBUGFS_FWSTATS_ADD(dma, tx_errors);
	376
	377	DEBUGFS_FWSTATS_ADD(isr, cmd_cmplt);
	378	DEBUGFS_FWSTATS_ADD(isr, fiqs);
	379	DEBUGFS_FWSTATS_ADD(isr, rx_headers);
	380	DEBUGFS_FWSTATS_ADD(isr, rx_mem_overflow);
	381	DEBUGFS_FWSTATS_ADD(isr, rx_rdys);
	382	DEBUGFS_FWSTATS_ADD(isr, irqs);
	383	DEBUGFS_FWSTATS_ADD(isr, tx_procs);
	384	DEBUGFS_FWSTATS_ADD(isr, decrypt_done);
	385	DEBUGFS_FWSTATS_ADD(isr, dma0_done);
	386	DEBUGFS_FWSTATS_ADD(isr, dma1_done);
	387	DEBUGFS_FWSTATS_ADD(isr, tx_exch_complete);
	388	DEBUGFS_FWSTATS_ADD(isr, commands);
	389	DEBUGFS_FWSTATS_ADD(isr, rx_procs);
	390	DEBUGFS_FWSTATS_ADD(isr, hw_pm_mode_changes);
	391	DEBUGFS_FWSTATS_ADD(isr, host_acknowledges);
	392	DEBUGFS_FWSTATS_ADD(isr, pci_pm);
	393	DEBUGFS_FWSTATS_ADD(isr, wakeups);
	394	DEBUGFS_FWSTATS_ADD(isr, low_rssi);
	395
	396	DEBUGFS_FWSTATS_ADD(wep, addr_key_count);
	397	DEBUGFS_FWSTATS_ADD(wep, default_key_count);
	398	/* skipping wep.reserved */
	399	DEBUGFS_FWSTATS_ADD(wep, key_not_found);
	400	DEBUGFS_FWSTATS_ADD(wep, decrypt_fail);
	401	DEBUGFS_FWSTATS_ADD(wep, packets);
	402	DEBUGFS_FWSTATS_ADD(wep, interrupt);
	403
	404	DEBUGFS_FWSTATS_ADD(pwr, ps_enter);
	405	DEBUGFS_FWSTATS_ADD(pwr, elp_enter);
	406	DEBUGFS_FWSTATS_ADD(pwr, missing_bcns);
	407	DEBUGFS_FWSTATS_ADD(pwr, wake_on_host);
	408	DEBUGFS_FWSTATS_ADD(pwr, wake_on_timer_exp);
	409	DEBUGFS_FWSTATS_ADD(pwr, tx_with_ps);
	410	DEBUGFS_FWSTATS_ADD(pwr, tx_without_ps);
	411	DEBUGFS_FWSTATS_ADD(pwr, rcvd_beacons);
	412	DEBUGFS_FWSTATS_ADD(pwr, power_save_off);
	413	DEBUGFS_FWSTATS_ADD(pwr, enable_ps);
	414	DEBUGFS_FWSTATS_ADD(pwr, disable_ps);
	415	DEBUGFS_FWSTATS_ADD(pwr, fix_tsf_ps);
	416	/* skipping cont_miss_bcns_spread for now */
	417	DEBUGFS_FWSTATS_ADD(pwr, rcvd_awake_beacons);
	418
	419	DEBUGFS_FWSTATS_ADD(mic, rx_pkts);
	420	DEBUGFS_FWSTATS_ADD(mic, calc_failure);
	421
422	DEBUGFS_FWSTATS_ADD(aes, encrypt_fail);
423	DEBUGFS_FWSTATS_ADD(aes, decrypt_fail);
424	DEBUGFS_FWSTATS_ADD(aes, encrypt_packets);
425	DEBUGFS_FWSTATS_ADD(aes, decrypt_packets);
426	DEBUGFS_FWSTATS_ADD(aes, encrypt_interrupt);
427	DEBUGFS_FWSTATS_ADD(aes, decrypt_interrupt);
428
429	DEBUGFS_FWSTATS_ADD(event, heart_beat);
430	DEBUGFS_FWSTATS_ADD(event, calibration);
431	DEBUGFS_FWSTATS_ADD(event, rx_mismatch);
432	DEBUGFS_FWSTATS_ADD(event, rx_mem_empty);
433	DEBUGFS_FWSTATS_ADD(event, rx_pool);
434	DEBUGFS_FWSTATS_ADD(event, oom_late);
435	DEBUGFS_FWSTATS_ADD(event, phy_transmit_error);
436	DEBUGFS_FWSTATS_ADD(event, tx_stuck);
437
438	DEBUGFS_FWSTATS_ADD(ps, pspoll_timeouts);
439	DEBUGFS_FWSTATS_ADD(ps, upsd_timeouts);
440	DEBUGFS_FWSTATS_ADD(ps, upsd_max_sptime);
441	DEBUGFS_FWSTATS_ADD(ps, upsd_max_apturn);
442	DEBUGFS_FWSTATS_ADD(ps, pspoll_max_apturn);
443	DEBUGFS_FWSTATS_ADD(ps, pspoll_utilization);
444	DEBUGFS_FWSTATS_ADD(ps, upsd_utilization);
445
446	DEBUGFS_FWSTATS_ADD(rxpipe, rx_prep_beacon_drop);
447	DEBUGFS_FWSTATS_ADD(rxpipe, descr_host_int_trig_rx_data);
448	DEBUGFS_FWSTATS_ADD(rxpipe, beacon_buffer_thres_host_int_trig_rx_data);
449	DEBUGFS_FWSTATS_ADD(rxpipe, missed_beacon_host_int_trig_rx_data);
450	DEBUGFS_FWSTATS_ADD(rxpipe, tx_xfr_host_int_trig_rx_data);
451
452	DEBUGFS_ADD(tx_queue_len, wl->debugfs.rootdir);
b7339b1d	453	DEBUGFS_ADD(tx_queue_status, wl->debugfs.rootdir);
2f01a1f5 KV	454	DEBUGFS_ADD(retry_count, wl->debugfs.rootdir);
	455	DEBUGFS_ADD(excessive_retries, wl->debugfs.rootdir);
	456
	457	out:
	458	if (ret < 0)
80301cdc	459	wl1251_debugfs_delete_files(wl);
2f01a1f5 KV	460
	461	return ret;
	462	}
	463
80301cdc	464	void wl1251_debugfs_reset(struct wl1251 *wl)
2f01a1f5	465	{
3f60ebc9 GI	466	if (wl->stats.fw_stats != NULL)
3f60ebc9 GI	467	memset(wl->stats.fw_stats, 0, sizeof(*wl->stats.fw_stats));
2f01a1f5 KV	468	wl->stats.retry_count = 0;
	469	wl->stats.excessive_retries = 0;
	470	}
	471
80301cdc	472	int wl1251_debugfs_init(struct wl1251 *wl)
2f01a1f5 KV	473	{
	474	int ret;
	475
	476	wl->debugfs.rootdir = debugfs_create_dir(KBUILD_MODNAME, NULL);
	477
	478	if (IS_ERR(wl->debugfs.rootdir)) {
	479	ret = PTR_ERR(wl->debugfs.rootdir);
	480	wl->debugfs.rootdir = NULL;
	481	goto err;
	482	}
	483
	484	wl->debugfs.fw_statistics = debugfs_create_dir("fw-statistics",
	485	wl->debugfs.rootdir);
	486
	487	if (IS_ERR(wl->debugfs.fw_statistics)) {
	488	ret = PTR_ERR(wl->debugfs.fw_statistics);
	489	wl->debugfs.fw_statistics = NULL;
	490	goto err_root;
	491	}
	492
	493	wl->stats.fw_stats = kzalloc(sizeof(*wl->stats.fw_stats),
	494	GFP_KERNEL);
	495
	496	if (!wl->stats.fw_stats) {
	497	ret = -ENOMEM;
	498	goto err_fw;
	499	}
	500
	501	wl->stats.fw_stats_update = jiffies;
	502
80301cdc	503	ret = wl1251_debugfs_add_files(wl);
2f01a1f5 KV	504
	505	if (ret < 0)
	506	goto err_file;
	507
	508	return 0;
	509
	510	err_file:
	511	kfree(wl->stats.fw_stats);
	512	wl->stats.fw_stats = NULL;
	513
	514	err_fw:
	515	debugfs_remove(wl->debugfs.fw_statistics);
	516	wl->debugfs.fw_statistics = NULL;
	517
	518	err_root:
	519	debugfs_remove(wl->debugfs.rootdir);
	520	wl->debugfs.rootdir = NULL;
	521
	522	err:
	523	return ret;
	524	}
	525
80301cdc	526	void wl1251_debugfs_exit(struct wl1251 *wl)
2f01a1f5	527	{
80301cdc	528	wl1251_debugfs_delete_files(wl);
2f01a1f5 KV	529
	530	kfree(wl->stats.fw_stats);
	531	wl->stats.fw_stats = NULL;
	532
	533	debugfs_remove(wl->debugfs.fw_statistics);
	534	wl->debugfs.fw_statistics = NULL;
	535
	536	debugfs_remove(wl->debugfs.rootdir);
	537	wl->debugfs.rootdir = NULL;
	538
	539	}