1349 lines
32 KiB
C
1349 lines
32 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* This file is part of wl1271
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*
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* Copyright (C) 2009 Nokia Corporation
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*
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* Contact: Luciano Coelho <luciano.coelho@nokia.com>
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*/
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#include "debugfs.h"
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#include <linux/skbuff.h>
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#include <linux/slab.h>
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#include <linux/module.h>
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#include <linux/pm_runtime.h>
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#include "wlcore.h"
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#include "debug.h"
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#include "acx.h"
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#include "ps.h"
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#include "io.h"
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#include "tx.h"
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#include "hw_ops.h"
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/* ms */
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#define WL1271_DEBUGFS_STATS_LIFETIME 1000
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#define WLCORE_MAX_BLOCK_SIZE ((size_t)(4*PAGE_SIZE))
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/* debugfs macros idea from mac80211 */
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int wl1271_format_buffer(char __user *userbuf, size_t count,
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loff_t *ppos, char *fmt, ...)
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{
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va_list args;
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char buf[DEBUGFS_FORMAT_BUFFER_SIZE];
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int res;
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va_start(args, fmt);
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res = vscnprintf(buf, sizeof(buf), fmt, args);
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va_end(args);
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return simple_read_from_buffer(userbuf, count, ppos, buf, res);
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}
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EXPORT_SYMBOL_GPL(wl1271_format_buffer);
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void wl1271_debugfs_update_stats(struct wl1271 *wl)
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{
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int ret;
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mutex_lock(&wl->mutex);
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if (unlikely(wl->state != WLCORE_STATE_ON))
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goto out;
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ret = pm_runtime_resume_and_get(wl->dev);
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if (ret < 0)
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goto out;
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if (!wl->plt &&
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time_after(jiffies, wl->stats.fw_stats_update +
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msecs_to_jiffies(WL1271_DEBUGFS_STATS_LIFETIME))) {
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wl1271_acx_statistics(wl, wl->stats.fw_stats);
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wl->stats.fw_stats_update = jiffies;
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}
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pm_runtime_mark_last_busy(wl->dev);
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pm_runtime_put_autosuspend(wl->dev);
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out:
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mutex_unlock(&wl->mutex);
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}
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EXPORT_SYMBOL_GPL(wl1271_debugfs_update_stats);
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DEBUGFS_READONLY_FILE(retry_count, "%u", wl->stats.retry_count);
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DEBUGFS_READONLY_FILE(excessive_retries, "%u",
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wl->stats.excessive_retries);
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static ssize_t tx_queue_len_read(struct file *file, char __user *userbuf,
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size_t count, loff_t *ppos)
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{
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struct wl1271 *wl = file->private_data;
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u32 queue_len;
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char buf[20];
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int res;
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queue_len = wl1271_tx_total_queue_count(wl);
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res = scnprintf(buf, sizeof(buf), "%u\n", queue_len);
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return simple_read_from_buffer(userbuf, count, ppos, buf, res);
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}
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static const struct file_operations tx_queue_len_ops = {
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.read = tx_queue_len_read,
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.open = simple_open,
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.llseek = default_llseek,
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};
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static void chip_op_handler(struct wl1271 *wl, unsigned long value,
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void *arg)
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{
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int ret;
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int (*chip_op) (struct wl1271 *wl);
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if (!arg) {
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wl1271_warning("debugfs chip_op_handler with no callback");
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return;
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}
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ret = pm_runtime_resume_and_get(wl->dev);
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if (ret < 0)
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return;
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chip_op = arg;
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chip_op(wl);
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pm_runtime_mark_last_busy(wl->dev);
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pm_runtime_put_autosuspend(wl->dev);
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}
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#define WL12XX_CONF_DEBUGFS(param, conf_sub_struct, \
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min_val, max_val, write_handler_locked, \
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write_handler_arg) \
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static ssize_t param##_read(struct file *file, \
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char __user *user_buf, \
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size_t count, loff_t *ppos) \
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{ \
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struct wl1271 *wl = file->private_data; \
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return wl1271_format_buffer(user_buf, count, \
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ppos, "%d\n", \
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wl->conf.conf_sub_struct.param); \
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} \
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\
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static ssize_t param##_write(struct file *file, \
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const char __user *user_buf, \
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size_t count, loff_t *ppos) \
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{ \
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struct wl1271 *wl = file->private_data; \
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unsigned long value; \
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int ret; \
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\
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ret = kstrtoul_from_user(user_buf, count, 10, &value); \
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if (ret < 0) { \
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wl1271_warning("illegal value for " #param); \
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return -EINVAL; \
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} \
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\
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if (value < min_val || value > max_val) { \
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wl1271_warning(#param " is not in valid range"); \
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return -ERANGE; \
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} \
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\
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mutex_lock(&wl->mutex); \
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wl->conf.conf_sub_struct.param = value; \
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\
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write_handler_locked(wl, value, write_handler_arg); \
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\
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mutex_unlock(&wl->mutex); \
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return count; \
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} \
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\
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static const struct file_operations param##_ops = { \
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.read = param##_read, \
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.write = param##_write, \
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.open = simple_open, \
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.llseek = default_llseek, \
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};
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WL12XX_CONF_DEBUGFS(irq_pkt_threshold, rx, 0, 65535,
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chip_op_handler, wl1271_acx_init_rx_interrupt)
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WL12XX_CONF_DEBUGFS(irq_blk_threshold, rx, 0, 65535,
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chip_op_handler, wl1271_acx_init_rx_interrupt)
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WL12XX_CONF_DEBUGFS(irq_timeout, rx, 0, 100,
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chip_op_handler, wl1271_acx_init_rx_interrupt)
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static ssize_t gpio_power_read(struct file *file, char __user *user_buf,
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size_t count, loff_t *ppos)
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{
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struct wl1271 *wl = file->private_data;
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bool state = test_bit(WL1271_FLAG_GPIO_POWER, &wl->flags);
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int res;
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char buf[10];
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res = scnprintf(buf, sizeof(buf), "%d\n", state);
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return simple_read_from_buffer(user_buf, count, ppos, buf, res);
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}
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static ssize_t gpio_power_write(struct file *file,
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const char __user *user_buf,
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size_t count, loff_t *ppos)
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{
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struct wl1271 *wl = file->private_data;
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unsigned long value;
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int ret;
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ret = kstrtoul_from_user(user_buf, count, 10, &value);
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if (ret < 0) {
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wl1271_warning("illegal value in gpio_power");
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return -EINVAL;
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}
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mutex_lock(&wl->mutex);
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if (value)
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wl1271_power_on(wl);
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else
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wl1271_power_off(wl);
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mutex_unlock(&wl->mutex);
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return count;
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}
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static const struct file_operations gpio_power_ops = {
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.read = gpio_power_read,
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.write = gpio_power_write,
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.open = simple_open,
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.llseek = default_llseek,
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};
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static ssize_t start_recovery_write(struct file *file,
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const char __user *user_buf,
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size_t count, loff_t *ppos)
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{
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struct wl1271 *wl = file->private_data;
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mutex_lock(&wl->mutex);
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wl12xx_queue_recovery_work(wl);
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mutex_unlock(&wl->mutex);
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return count;
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}
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static const struct file_operations start_recovery_ops = {
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.write = start_recovery_write,
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.open = simple_open,
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.llseek = default_llseek,
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};
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static ssize_t dynamic_ps_timeout_read(struct file *file, char __user *user_buf,
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size_t count, loff_t *ppos)
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{
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struct wl1271 *wl = file->private_data;
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return wl1271_format_buffer(user_buf, count,
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ppos, "%d\n",
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wl->conf.conn.dynamic_ps_timeout);
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}
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static ssize_t dynamic_ps_timeout_write(struct file *file,
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const char __user *user_buf,
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size_t count, loff_t *ppos)
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{
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struct wl1271 *wl = file->private_data;
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struct wl12xx_vif *wlvif;
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unsigned long value;
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int ret;
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ret = kstrtoul_from_user(user_buf, count, 10, &value);
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if (ret < 0) {
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wl1271_warning("illegal value in dynamic_ps");
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return -EINVAL;
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}
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if (value < 1 || value > 65535) {
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wl1271_warning("dynamic_ps_timeout is not in valid range");
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return -ERANGE;
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}
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mutex_lock(&wl->mutex);
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wl->conf.conn.dynamic_ps_timeout = value;
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if (unlikely(wl->state != WLCORE_STATE_ON))
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goto out;
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ret = pm_runtime_resume_and_get(wl->dev);
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if (ret < 0)
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goto out;
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/* In case we're already in PSM, trigger it again to set new timeout
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* immediately without waiting for re-association
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*/
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wl12xx_for_each_wlvif_sta(wl, wlvif) {
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if (test_bit(WLVIF_FLAG_IN_PS, &wlvif->flags))
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wl1271_ps_set_mode(wl, wlvif, STATION_AUTO_PS_MODE);
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}
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pm_runtime_mark_last_busy(wl->dev);
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pm_runtime_put_autosuspend(wl->dev);
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out:
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mutex_unlock(&wl->mutex);
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return count;
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}
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static const struct file_operations dynamic_ps_timeout_ops = {
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.read = dynamic_ps_timeout_read,
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.write = dynamic_ps_timeout_write,
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.open = simple_open,
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.llseek = default_llseek,
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};
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static ssize_t forced_ps_read(struct file *file, char __user *user_buf,
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size_t count, loff_t *ppos)
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{
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struct wl1271 *wl = file->private_data;
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return wl1271_format_buffer(user_buf, count,
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ppos, "%d\n",
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wl->conf.conn.forced_ps);
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}
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static ssize_t forced_ps_write(struct file *file,
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const char __user *user_buf,
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size_t count, loff_t *ppos)
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{
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struct wl1271 *wl = file->private_data;
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struct wl12xx_vif *wlvif;
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unsigned long value;
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int ret, ps_mode;
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ret = kstrtoul_from_user(user_buf, count, 10, &value);
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if (ret < 0) {
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wl1271_warning("illegal value in forced_ps");
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return -EINVAL;
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}
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if (value != 1 && value != 0) {
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wl1271_warning("forced_ps should be either 0 or 1");
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return -ERANGE;
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}
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mutex_lock(&wl->mutex);
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if (wl->conf.conn.forced_ps == value)
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goto out;
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wl->conf.conn.forced_ps = value;
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if (unlikely(wl->state != WLCORE_STATE_ON))
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goto out;
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ret = pm_runtime_resume_and_get(wl->dev);
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if (ret < 0)
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goto out;
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/* In case we're already in PSM, trigger it again to switch mode
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* immediately without waiting for re-association
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*/
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ps_mode = value ? STATION_POWER_SAVE_MODE : STATION_AUTO_PS_MODE;
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wl12xx_for_each_wlvif_sta(wl, wlvif) {
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if (test_bit(WLVIF_FLAG_IN_PS, &wlvif->flags))
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wl1271_ps_set_mode(wl, wlvif, ps_mode);
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}
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pm_runtime_mark_last_busy(wl->dev);
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pm_runtime_put_autosuspend(wl->dev);
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out:
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mutex_unlock(&wl->mutex);
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return count;
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}
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static const struct file_operations forced_ps_ops = {
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.read = forced_ps_read,
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.write = forced_ps_write,
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.open = simple_open,
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.llseek = default_llseek,
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};
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static ssize_t split_scan_timeout_read(struct file *file, char __user *user_buf,
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size_t count, loff_t *ppos)
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{
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struct wl1271 *wl = file->private_data;
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return wl1271_format_buffer(user_buf, count,
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ppos, "%d\n",
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wl->conf.scan.split_scan_timeout / 1000);
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}
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static ssize_t split_scan_timeout_write(struct file *file,
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const char __user *user_buf,
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size_t count, loff_t *ppos)
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{
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struct wl1271 *wl = file->private_data;
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unsigned long value;
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int ret;
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ret = kstrtoul_from_user(user_buf, count, 10, &value);
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if (ret < 0) {
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wl1271_warning("illegal value in split_scan_timeout");
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return -EINVAL;
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}
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if (value == 0)
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wl1271_info("split scan will be disabled");
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mutex_lock(&wl->mutex);
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wl->conf.scan.split_scan_timeout = value * 1000;
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mutex_unlock(&wl->mutex);
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return count;
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}
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static const struct file_operations split_scan_timeout_ops = {
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.read = split_scan_timeout_read,
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.write = split_scan_timeout_write,
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.open = simple_open,
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.llseek = default_llseek,
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};
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static ssize_t driver_state_read(struct file *file, char __user *user_buf,
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size_t count, loff_t *ppos)
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{
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struct wl1271 *wl = file->private_data;
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int res = 0;
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ssize_t ret;
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char *buf;
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struct wl12xx_vif *wlvif;
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#define DRIVER_STATE_BUF_LEN 1024
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buf = kmalloc(DRIVER_STATE_BUF_LEN, GFP_KERNEL);
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if (!buf)
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return -ENOMEM;
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mutex_lock(&wl->mutex);
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#define DRIVER_STATE_PRINT(x, fmt) \
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(res += scnprintf(buf + res, DRIVER_STATE_BUF_LEN - res,\
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#x " = " fmt "\n", wl->x))
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#define DRIVER_STATE_PRINT_GENERIC(x, fmt, args...) \
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(res += scnprintf(buf + res, DRIVER_STATE_BUF_LEN - res,\
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#x " = " fmt "\n", args))
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#define DRIVER_STATE_PRINT_LONG(x) DRIVER_STATE_PRINT(x, "%ld")
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#define DRIVER_STATE_PRINT_INT(x) DRIVER_STATE_PRINT(x, "%d")
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#define DRIVER_STATE_PRINT_STR(x) DRIVER_STATE_PRINT(x, "%s")
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#define DRIVER_STATE_PRINT_LHEX(x) DRIVER_STATE_PRINT(x, "0x%lx")
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#define DRIVER_STATE_PRINT_HEX(x) DRIVER_STATE_PRINT(x, "0x%x")
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wl12xx_for_each_wlvif_sta(wl, wlvif) {
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if (!test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags))
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continue;
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DRIVER_STATE_PRINT_GENERIC(channel, "%d (%s)", wlvif->channel,
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wlvif->p2p ? "P2P-CL" : "STA");
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}
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wl12xx_for_each_wlvif_ap(wl, wlvif)
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DRIVER_STATE_PRINT_GENERIC(channel, "%d (%s)", wlvif->channel,
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wlvif->p2p ? "P2P-GO" : "AP");
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DRIVER_STATE_PRINT_INT(tx_blocks_available);
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DRIVER_STATE_PRINT_INT(tx_allocated_blocks);
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DRIVER_STATE_PRINT_INT(tx_allocated_pkts[0]);
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DRIVER_STATE_PRINT_INT(tx_allocated_pkts[1]);
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DRIVER_STATE_PRINT_INT(tx_allocated_pkts[2]);
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DRIVER_STATE_PRINT_INT(tx_allocated_pkts[3]);
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DRIVER_STATE_PRINT_INT(tx_frames_cnt);
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DRIVER_STATE_PRINT_LHEX(tx_frames_map[0]);
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DRIVER_STATE_PRINT_INT(tx_queue_count[0]);
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DRIVER_STATE_PRINT_INT(tx_queue_count[1]);
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DRIVER_STATE_PRINT_INT(tx_queue_count[2]);
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DRIVER_STATE_PRINT_INT(tx_queue_count[3]);
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DRIVER_STATE_PRINT_INT(tx_packets_count);
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DRIVER_STATE_PRINT_INT(tx_results_count);
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DRIVER_STATE_PRINT_LHEX(flags);
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DRIVER_STATE_PRINT_INT(tx_blocks_freed);
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DRIVER_STATE_PRINT_INT(rx_counter);
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DRIVER_STATE_PRINT_INT(state);
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DRIVER_STATE_PRINT_INT(band);
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DRIVER_STATE_PRINT_INT(power_level);
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DRIVER_STATE_PRINT_INT(sg_enabled);
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DRIVER_STATE_PRINT_INT(enable_11a);
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DRIVER_STATE_PRINT_INT(noise);
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DRIVER_STATE_PRINT_LHEX(ap_fw_ps_map);
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DRIVER_STATE_PRINT_LHEX(ap_ps_map);
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DRIVER_STATE_PRINT_HEX(quirks);
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DRIVER_STATE_PRINT_HEX(irq);
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/* TODO: ref_clock and tcxo_clock were moved to wl12xx priv */
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DRIVER_STATE_PRINT_HEX(hw_pg_ver);
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DRIVER_STATE_PRINT_HEX(irq_flags);
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DRIVER_STATE_PRINT_HEX(chip.id);
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DRIVER_STATE_PRINT_STR(chip.fw_ver_str);
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DRIVER_STATE_PRINT_STR(chip.phy_fw_ver_str);
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DRIVER_STATE_PRINT_INT(recovery_count);
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#undef DRIVER_STATE_PRINT_INT
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#undef DRIVER_STATE_PRINT_LONG
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#undef DRIVER_STATE_PRINT_HEX
|
|
#undef DRIVER_STATE_PRINT_LHEX
|
|
#undef DRIVER_STATE_PRINT_STR
|
|
#undef DRIVER_STATE_PRINT
|
|
#undef DRIVER_STATE_BUF_LEN
|
|
|
|
mutex_unlock(&wl->mutex);
|
|
|
|
ret = simple_read_from_buffer(user_buf, count, ppos, buf, res);
|
|
kfree(buf);
|
|
return ret;
|
|
}
|
|
|
|
static const struct file_operations driver_state_ops = {
|
|
.read = driver_state_read,
|
|
.open = simple_open,
|
|
.llseek = default_llseek,
|
|
};
|
|
|
|
static ssize_t vifs_state_read(struct file *file, char __user *user_buf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
struct wl1271 *wl = file->private_data;
|
|
struct wl12xx_vif *wlvif;
|
|
int ret, res = 0;
|
|
const int buf_size = 4096;
|
|
char *buf;
|
|
char tmp_buf[64];
|
|
|
|
buf = kzalloc(buf_size, GFP_KERNEL);
|
|
if (!buf)
|
|
return -ENOMEM;
|
|
|
|
mutex_lock(&wl->mutex);
|
|
|
|
#define VIF_STATE_PRINT(x, fmt) \
|
|
(res += scnprintf(buf + res, buf_size - res, \
|
|
#x " = " fmt "\n", wlvif->x))
|
|
|
|
#define VIF_STATE_PRINT_LONG(x) VIF_STATE_PRINT(x, "%ld")
|
|
#define VIF_STATE_PRINT_INT(x) VIF_STATE_PRINT(x, "%d")
|
|
#define VIF_STATE_PRINT_STR(x) VIF_STATE_PRINT(x, "%s")
|
|
#define VIF_STATE_PRINT_LHEX(x) VIF_STATE_PRINT(x, "0x%lx")
|
|
#define VIF_STATE_PRINT_LLHEX(x) VIF_STATE_PRINT(x, "0x%llx")
|
|
#define VIF_STATE_PRINT_HEX(x) VIF_STATE_PRINT(x, "0x%x")
|
|
|
|
#define VIF_STATE_PRINT_NSTR(x, len) \
|
|
do { \
|
|
memset(tmp_buf, 0, sizeof(tmp_buf)); \
|
|
memcpy(tmp_buf, wlvif->x, \
|
|
min_t(u8, len, sizeof(tmp_buf) - 1)); \
|
|
res += scnprintf(buf + res, buf_size - res, \
|
|
#x " = %s\n", tmp_buf); \
|
|
} while (0)
|
|
|
|
wl12xx_for_each_wlvif(wl, wlvif) {
|
|
VIF_STATE_PRINT_INT(role_id);
|
|
VIF_STATE_PRINT_INT(bss_type);
|
|
VIF_STATE_PRINT_LHEX(flags);
|
|
VIF_STATE_PRINT_INT(p2p);
|
|
VIF_STATE_PRINT_INT(dev_role_id);
|
|
VIF_STATE_PRINT_INT(dev_hlid);
|
|
|
|
if (wlvif->bss_type == BSS_TYPE_STA_BSS ||
|
|
wlvif->bss_type == BSS_TYPE_IBSS) {
|
|
VIF_STATE_PRINT_INT(sta.hlid);
|
|
VIF_STATE_PRINT_INT(sta.basic_rate_idx);
|
|
VIF_STATE_PRINT_INT(sta.ap_rate_idx);
|
|
VIF_STATE_PRINT_INT(sta.p2p_rate_idx);
|
|
VIF_STATE_PRINT_INT(sta.qos);
|
|
} else {
|
|
VIF_STATE_PRINT_INT(ap.global_hlid);
|
|
VIF_STATE_PRINT_INT(ap.bcast_hlid);
|
|
VIF_STATE_PRINT_LHEX(ap.sta_hlid_map[0]);
|
|
VIF_STATE_PRINT_INT(ap.mgmt_rate_idx);
|
|
VIF_STATE_PRINT_INT(ap.bcast_rate_idx);
|
|
VIF_STATE_PRINT_INT(ap.ucast_rate_idx[0]);
|
|
VIF_STATE_PRINT_INT(ap.ucast_rate_idx[1]);
|
|
VIF_STATE_PRINT_INT(ap.ucast_rate_idx[2]);
|
|
VIF_STATE_PRINT_INT(ap.ucast_rate_idx[3]);
|
|
}
|
|
VIF_STATE_PRINT_INT(last_tx_hlid);
|
|
VIF_STATE_PRINT_INT(tx_queue_count[0]);
|
|
VIF_STATE_PRINT_INT(tx_queue_count[1]);
|
|
VIF_STATE_PRINT_INT(tx_queue_count[2]);
|
|
VIF_STATE_PRINT_INT(tx_queue_count[3]);
|
|
VIF_STATE_PRINT_LHEX(links_map[0]);
|
|
VIF_STATE_PRINT_NSTR(ssid, wlvif->ssid_len);
|
|
VIF_STATE_PRINT_INT(band);
|
|
VIF_STATE_PRINT_INT(channel);
|
|
VIF_STATE_PRINT_HEX(bitrate_masks[0]);
|
|
VIF_STATE_PRINT_HEX(bitrate_masks[1]);
|
|
VIF_STATE_PRINT_HEX(basic_rate_set);
|
|
VIF_STATE_PRINT_HEX(basic_rate);
|
|
VIF_STATE_PRINT_HEX(rate_set);
|
|
VIF_STATE_PRINT_INT(beacon_int);
|
|
VIF_STATE_PRINT_INT(default_key);
|
|
VIF_STATE_PRINT_INT(aid);
|
|
VIF_STATE_PRINT_INT(psm_entry_retry);
|
|
VIF_STATE_PRINT_INT(power_level);
|
|
VIF_STATE_PRINT_INT(rssi_thold);
|
|
VIF_STATE_PRINT_INT(last_rssi_event);
|
|
VIF_STATE_PRINT_INT(ba_support);
|
|
VIF_STATE_PRINT_INT(ba_allowed);
|
|
VIF_STATE_PRINT_LLHEX(total_freed_pkts);
|
|
}
|
|
|
|
#undef VIF_STATE_PRINT_INT
|
|
#undef VIF_STATE_PRINT_LONG
|
|
#undef VIF_STATE_PRINT_HEX
|
|
#undef VIF_STATE_PRINT_LHEX
|
|
#undef VIF_STATE_PRINT_LLHEX
|
|
#undef VIF_STATE_PRINT_STR
|
|
#undef VIF_STATE_PRINT_NSTR
|
|
#undef VIF_STATE_PRINT
|
|
|
|
mutex_unlock(&wl->mutex);
|
|
|
|
ret = simple_read_from_buffer(user_buf, count, ppos, buf, res);
|
|
kfree(buf);
|
|
return ret;
|
|
}
|
|
|
|
static const struct file_operations vifs_state_ops = {
|
|
.read = vifs_state_read,
|
|
.open = simple_open,
|
|
.llseek = default_llseek,
|
|
};
|
|
|
|
static ssize_t dtim_interval_read(struct file *file, char __user *user_buf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
struct wl1271 *wl = file->private_data;
|
|
u8 value;
|
|
|
|
if (wl->conf.conn.wake_up_event == CONF_WAKE_UP_EVENT_DTIM ||
|
|
wl->conf.conn.wake_up_event == CONF_WAKE_UP_EVENT_N_DTIM)
|
|
value = wl->conf.conn.listen_interval;
|
|
else
|
|
value = 0;
|
|
|
|
return wl1271_format_buffer(user_buf, count, ppos, "%d\n", value);
|
|
}
|
|
|
|
static ssize_t dtim_interval_write(struct file *file,
|
|
const char __user *user_buf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
struct wl1271 *wl = file->private_data;
|
|
unsigned long value;
|
|
int ret;
|
|
|
|
ret = kstrtoul_from_user(user_buf, count, 10, &value);
|
|
if (ret < 0) {
|
|
wl1271_warning("illegal value for dtim_interval");
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (value < 1 || value > 10) {
|
|
wl1271_warning("dtim value is not in valid range");
|
|
return -ERANGE;
|
|
}
|
|
|
|
mutex_lock(&wl->mutex);
|
|
|
|
wl->conf.conn.listen_interval = value;
|
|
/* for some reason there are different event types for 1 and >1 */
|
|
if (value == 1)
|
|
wl->conf.conn.wake_up_event = CONF_WAKE_UP_EVENT_DTIM;
|
|
else
|
|
wl->conf.conn.wake_up_event = CONF_WAKE_UP_EVENT_N_DTIM;
|
|
|
|
/*
|
|
* we don't reconfigure ACX_WAKE_UP_CONDITIONS now, so it will only
|
|
* take effect on the next time we enter psm.
|
|
*/
|
|
mutex_unlock(&wl->mutex);
|
|
return count;
|
|
}
|
|
|
|
static const struct file_operations dtim_interval_ops = {
|
|
.read = dtim_interval_read,
|
|
.write = dtim_interval_write,
|
|
.open = simple_open,
|
|
.llseek = default_llseek,
|
|
};
|
|
|
|
|
|
|
|
static ssize_t suspend_dtim_interval_read(struct file *file,
|
|
char __user *user_buf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
struct wl1271 *wl = file->private_data;
|
|
u8 value;
|
|
|
|
if (wl->conf.conn.suspend_wake_up_event == CONF_WAKE_UP_EVENT_DTIM ||
|
|
wl->conf.conn.suspend_wake_up_event == CONF_WAKE_UP_EVENT_N_DTIM)
|
|
value = wl->conf.conn.suspend_listen_interval;
|
|
else
|
|
value = 0;
|
|
|
|
return wl1271_format_buffer(user_buf, count, ppos, "%d\n", value);
|
|
}
|
|
|
|
static ssize_t suspend_dtim_interval_write(struct file *file,
|
|
const char __user *user_buf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
struct wl1271 *wl = file->private_data;
|
|
unsigned long value;
|
|
int ret;
|
|
|
|
ret = kstrtoul_from_user(user_buf, count, 10, &value);
|
|
if (ret < 0) {
|
|
wl1271_warning("illegal value for suspend_dtim_interval");
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (value < 1 || value > 10) {
|
|
wl1271_warning("suspend_dtim value is not in valid range");
|
|
return -ERANGE;
|
|
}
|
|
|
|
mutex_lock(&wl->mutex);
|
|
|
|
wl->conf.conn.suspend_listen_interval = value;
|
|
/* for some reason there are different event types for 1 and >1 */
|
|
if (value == 1)
|
|
wl->conf.conn.suspend_wake_up_event = CONF_WAKE_UP_EVENT_DTIM;
|
|
else
|
|
wl->conf.conn.suspend_wake_up_event = CONF_WAKE_UP_EVENT_N_DTIM;
|
|
|
|
mutex_unlock(&wl->mutex);
|
|
return count;
|
|
}
|
|
|
|
|
|
static const struct file_operations suspend_dtim_interval_ops = {
|
|
.read = suspend_dtim_interval_read,
|
|
.write = suspend_dtim_interval_write,
|
|
.open = simple_open,
|
|
.llseek = default_llseek,
|
|
};
|
|
|
|
static ssize_t beacon_interval_read(struct file *file, char __user *user_buf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
struct wl1271 *wl = file->private_data;
|
|
u8 value;
|
|
|
|
if (wl->conf.conn.wake_up_event == CONF_WAKE_UP_EVENT_BEACON ||
|
|
wl->conf.conn.wake_up_event == CONF_WAKE_UP_EVENT_N_BEACONS)
|
|
value = wl->conf.conn.listen_interval;
|
|
else
|
|
value = 0;
|
|
|
|
return wl1271_format_buffer(user_buf, count, ppos, "%d\n", value);
|
|
}
|
|
|
|
static ssize_t beacon_interval_write(struct file *file,
|
|
const char __user *user_buf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
struct wl1271 *wl = file->private_data;
|
|
unsigned long value;
|
|
int ret;
|
|
|
|
ret = kstrtoul_from_user(user_buf, count, 10, &value);
|
|
if (ret < 0) {
|
|
wl1271_warning("illegal value for beacon_interval");
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (value < 1 || value > 255) {
|
|
wl1271_warning("beacon interval value is not in valid range");
|
|
return -ERANGE;
|
|
}
|
|
|
|
mutex_lock(&wl->mutex);
|
|
|
|
wl->conf.conn.listen_interval = value;
|
|
/* for some reason there are different event types for 1 and >1 */
|
|
if (value == 1)
|
|
wl->conf.conn.wake_up_event = CONF_WAKE_UP_EVENT_BEACON;
|
|
else
|
|
wl->conf.conn.wake_up_event = CONF_WAKE_UP_EVENT_N_BEACONS;
|
|
|
|
/*
|
|
* we don't reconfigure ACX_WAKE_UP_CONDITIONS now, so it will only
|
|
* take effect on the next time we enter psm.
|
|
*/
|
|
mutex_unlock(&wl->mutex);
|
|
return count;
|
|
}
|
|
|
|
static const struct file_operations beacon_interval_ops = {
|
|
.read = beacon_interval_read,
|
|
.write = beacon_interval_write,
|
|
.open = simple_open,
|
|
.llseek = default_llseek,
|
|
};
|
|
|
|
static ssize_t rx_streaming_interval_write(struct file *file,
|
|
const char __user *user_buf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
struct wl1271 *wl = file->private_data;
|
|
struct wl12xx_vif *wlvif;
|
|
unsigned long value;
|
|
int ret;
|
|
|
|
ret = kstrtoul_from_user(user_buf, count, 10, &value);
|
|
if (ret < 0) {
|
|
wl1271_warning("illegal value in rx_streaming_interval!");
|
|
return -EINVAL;
|
|
}
|
|
|
|
/* valid values: 0, 10-100 */
|
|
if (value && (value < 10 || value > 100)) {
|
|
wl1271_warning("value is not in range!");
|
|
return -ERANGE;
|
|
}
|
|
|
|
mutex_lock(&wl->mutex);
|
|
|
|
wl->conf.rx_streaming.interval = value;
|
|
|
|
ret = pm_runtime_resume_and_get(wl->dev);
|
|
if (ret < 0)
|
|
goto out;
|
|
|
|
wl12xx_for_each_wlvif_sta(wl, wlvif) {
|
|
wl1271_recalc_rx_streaming(wl, wlvif);
|
|
}
|
|
|
|
pm_runtime_mark_last_busy(wl->dev);
|
|
pm_runtime_put_autosuspend(wl->dev);
|
|
out:
|
|
mutex_unlock(&wl->mutex);
|
|
return count;
|
|
}
|
|
|
|
static ssize_t rx_streaming_interval_read(struct file *file,
|
|
char __user *userbuf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
struct wl1271 *wl = file->private_data;
|
|
return wl1271_format_buffer(userbuf, count, ppos,
|
|
"%d\n", wl->conf.rx_streaming.interval);
|
|
}
|
|
|
|
static const struct file_operations rx_streaming_interval_ops = {
|
|
.read = rx_streaming_interval_read,
|
|
.write = rx_streaming_interval_write,
|
|
.open = simple_open,
|
|
.llseek = default_llseek,
|
|
};
|
|
|
|
static ssize_t rx_streaming_always_write(struct file *file,
|
|
const char __user *user_buf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
struct wl1271 *wl = file->private_data;
|
|
struct wl12xx_vif *wlvif;
|
|
unsigned long value;
|
|
int ret;
|
|
|
|
ret = kstrtoul_from_user(user_buf, count, 10, &value);
|
|
if (ret < 0) {
|
|
wl1271_warning("illegal value in rx_streaming_write!");
|
|
return -EINVAL;
|
|
}
|
|
|
|
/* valid values: 0, 10-100 */
|
|
if (!(value == 0 || value == 1)) {
|
|
wl1271_warning("value is not in valid!");
|
|
return -EINVAL;
|
|
}
|
|
|
|
mutex_lock(&wl->mutex);
|
|
|
|
wl->conf.rx_streaming.always = value;
|
|
|
|
ret = pm_runtime_resume_and_get(wl->dev);
|
|
if (ret < 0)
|
|
goto out;
|
|
|
|
wl12xx_for_each_wlvif_sta(wl, wlvif) {
|
|
wl1271_recalc_rx_streaming(wl, wlvif);
|
|
}
|
|
|
|
pm_runtime_mark_last_busy(wl->dev);
|
|
pm_runtime_put_autosuspend(wl->dev);
|
|
out:
|
|
mutex_unlock(&wl->mutex);
|
|
return count;
|
|
}
|
|
|
|
static ssize_t rx_streaming_always_read(struct file *file,
|
|
char __user *userbuf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
struct wl1271 *wl = file->private_data;
|
|
return wl1271_format_buffer(userbuf, count, ppos,
|
|
"%d\n", wl->conf.rx_streaming.always);
|
|
}
|
|
|
|
static const struct file_operations rx_streaming_always_ops = {
|
|
.read = rx_streaming_always_read,
|
|
.write = rx_streaming_always_write,
|
|
.open = simple_open,
|
|
.llseek = default_llseek,
|
|
};
|
|
|
|
static ssize_t beacon_filtering_write(struct file *file,
|
|
const char __user *user_buf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
struct wl1271 *wl = file->private_data;
|
|
struct wl12xx_vif *wlvif;
|
|
unsigned long value;
|
|
int ret;
|
|
|
|
ret = kstrtoul_from_user(user_buf, count, 0, &value);
|
|
if (ret < 0) {
|
|
wl1271_warning("illegal value for beacon_filtering!");
|
|
return -EINVAL;
|
|
}
|
|
|
|
mutex_lock(&wl->mutex);
|
|
|
|
ret = pm_runtime_resume_and_get(wl->dev);
|
|
if (ret < 0)
|
|
goto out;
|
|
|
|
wl12xx_for_each_wlvif(wl, wlvif) {
|
|
ret = wl1271_acx_beacon_filter_opt(wl, wlvif, !!value);
|
|
}
|
|
|
|
pm_runtime_mark_last_busy(wl->dev);
|
|
pm_runtime_put_autosuspend(wl->dev);
|
|
out:
|
|
mutex_unlock(&wl->mutex);
|
|
return count;
|
|
}
|
|
|
|
static const struct file_operations beacon_filtering_ops = {
|
|
.write = beacon_filtering_write,
|
|
.open = simple_open,
|
|
.llseek = default_llseek,
|
|
};
|
|
|
|
static ssize_t fw_stats_raw_read(struct file *file,
|
|
char __user *userbuf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
struct wl1271 *wl = file->private_data;
|
|
|
|
wl1271_debugfs_update_stats(wl);
|
|
|
|
return simple_read_from_buffer(userbuf, count, ppos,
|
|
wl->stats.fw_stats,
|
|
wl->stats.fw_stats_len);
|
|
}
|
|
|
|
static const struct file_operations fw_stats_raw_ops = {
|
|
.read = fw_stats_raw_read,
|
|
.open = simple_open,
|
|
.llseek = default_llseek,
|
|
};
|
|
|
|
static ssize_t sleep_auth_read(struct file *file, char __user *user_buf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
struct wl1271 *wl = file->private_data;
|
|
|
|
return wl1271_format_buffer(user_buf, count,
|
|
ppos, "%d\n",
|
|
wl->sleep_auth);
|
|
}
|
|
|
|
static ssize_t sleep_auth_write(struct file *file,
|
|
const char __user *user_buf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
struct wl1271 *wl = file->private_data;
|
|
unsigned long value;
|
|
int ret;
|
|
|
|
ret = kstrtoul_from_user(user_buf, count, 0, &value);
|
|
if (ret < 0) {
|
|
wl1271_warning("illegal value in sleep_auth");
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (value > WL1271_PSM_MAX) {
|
|
wl1271_warning("sleep_auth must be between 0 and %d",
|
|
WL1271_PSM_MAX);
|
|
return -ERANGE;
|
|
}
|
|
|
|
mutex_lock(&wl->mutex);
|
|
|
|
wl->conf.conn.sta_sleep_auth = value;
|
|
|
|
if (unlikely(wl->state != WLCORE_STATE_ON)) {
|
|
/* this will show up on "read" in case we are off */
|
|
wl->sleep_auth = value;
|
|
goto out;
|
|
}
|
|
|
|
ret = pm_runtime_resume_and_get(wl->dev);
|
|
if (ret < 0)
|
|
goto out;
|
|
|
|
ret = wl1271_acx_sleep_auth(wl, value);
|
|
if (ret < 0)
|
|
goto out_sleep;
|
|
|
|
out_sleep:
|
|
pm_runtime_mark_last_busy(wl->dev);
|
|
pm_runtime_put_autosuspend(wl->dev);
|
|
out:
|
|
mutex_unlock(&wl->mutex);
|
|
return count;
|
|
}
|
|
|
|
static const struct file_operations sleep_auth_ops = {
|
|
.read = sleep_auth_read,
|
|
.write = sleep_auth_write,
|
|
.open = simple_open,
|
|
.llseek = default_llseek,
|
|
};
|
|
|
|
static ssize_t dev_mem_read(struct file *file,
|
|
char __user *user_buf, size_t count,
|
|
loff_t *ppos)
|
|
{
|
|
struct wl1271 *wl = file->private_data;
|
|
struct wlcore_partition_set part, old_part;
|
|
size_t bytes = count;
|
|
int ret;
|
|
char *buf;
|
|
|
|
/* only requests of dword-aligned size and offset are supported */
|
|
if (bytes % 4)
|
|
return -EINVAL;
|
|
|
|
if (*ppos % 4)
|
|
return -EINVAL;
|
|
|
|
/* function should return in reasonable time */
|
|
bytes = min(bytes, WLCORE_MAX_BLOCK_SIZE);
|
|
|
|
if (bytes == 0)
|
|
return -EINVAL;
|
|
|
|
memset(&part, 0, sizeof(part));
|
|
part.mem.start = *ppos;
|
|
part.mem.size = bytes;
|
|
|
|
buf = kmalloc(bytes, GFP_KERNEL);
|
|
if (!buf)
|
|
return -ENOMEM;
|
|
|
|
mutex_lock(&wl->mutex);
|
|
|
|
if (unlikely(wl->state == WLCORE_STATE_OFF)) {
|
|
ret = -EFAULT;
|
|
goto skip_read;
|
|
}
|
|
|
|
/*
|
|
* Don't fail if elp_wakeup returns an error, so the device's memory
|
|
* could be read even if the FW crashed
|
|
*/
|
|
pm_runtime_get_sync(wl->dev);
|
|
|
|
/* store current partition and switch partition */
|
|
memcpy(&old_part, &wl->curr_part, sizeof(old_part));
|
|
ret = wlcore_set_partition(wl, &part);
|
|
if (ret < 0)
|
|
goto part_err;
|
|
|
|
ret = wlcore_raw_read(wl, 0, buf, bytes, false);
|
|
if (ret < 0)
|
|
goto read_err;
|
|
|
|
read_err:
|
|
/* recover partition */
|
|
ret = wlcore_set_partition(wl, &old_part);
|
|
if (ret < 0)
|
|
goto part_err;
|
|
|
|
part_err:
|
|
pm_runtime_mark_last_busy(wl->dev);
|
|
pm_runtime_put_autosuspend(wl->dev);
|
|
|
|
skip_read:
|
|
mutex_unlock(&wl->mutex);
|
|
|
|
if (ret == 0) {
|
|
ret = copy_to_user(user_buf, buf, bytes);
|
|
if (ret < bytes) {
|
|
bytes -= ret;
|
|
*ppos += bytes;
|
|
ret = 0;
|
|
} else {
|
|
ret = -EFAULT;
|
|
}
|
|
}
|
|
|
|
kfree(buf);
|
|
|
|
return ((ret == 0) ? bytes : ret);
|
|
}
|
|
|
|
static ssize_t dev_mem_write(struct file *file, const char __user *user_buf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
struct wl1271 *wl = file->private_data;
|
|
struct wlcore_partition_set part, old_part;
|
|
size_t bytes = count;
|
|
int ret;
|
|
char *buf;
|
|
|
|
/* only requests of dword-aligned size and offset are supported */
|
|
if (bytes % 4)
|
|
return -EINVAL;
|
|
|
|
if (*ppos % 4)
|
|
return -EINVAL;
|
|
|
|
/* function should return in reasonable time */
|
|
bytes = min(bytes, WLCORE_MAX_BLOCK_SIZE);
|
|
|
|
if (bytes == 0)
|
|
return -EINVAL;
|
|
|
|
memset(&part, 0, sizeof(part));
|
|
part.mem.start = *ppos;
|
|
part.mem.size = bytes;
|
|
|
|
buf = memdup_user(user_buf, bytes);
|
|
if (IS_ERR(buf))
|
|
return PTR_ERR(buf);
|
|
|
|
mutex_lock(&wl->mutex);
|
|
|
|
if (unlikely(wl->state == WLCORE_STATE_OFF)) {
|
|
ret = -EFAULT;
|
|
goto skip_write;
|
|
}
|
|
|
|
/*
|
|
* Don't fail if elp_wakeup returns an error, so the device's memory
|
|
* could be read even if the FW crashed
|
|
*/
|
|
pm_runtime_get_sync(wl->dev);
|
|
|
|
/* store current partition and switch partition */
|
|
memcpy(&old_part, &wl->curr_part, sizeof(old_part));
|
|
ret = wlcore_set_partition(wl, &part);
|
|
if (ret < 0)
|
|
goto part_err;
|
|
|
|
ret = wlcore_raw_write(wl, 0, buf, bytes, false);
|
|
if (ret < 0)
|
|
goto write_err;
|
|
|
|
write_err:
|
|
/* recover partition */
|
|
ret = wlcore_set_partition(wl, &old_part);
|
|
if (ret < 0)
|
|
goto part_err;
|
|
|
|
part_err:
|
|
pm_runtime_mark_last_busy(wl->dev);
|
|
pm_runtime_put_autosuspend(wl->dev);
|
|
|
|
skip_write:
|
|
mutex_unlock(&wl->mutex);
|
|
|
|
if (ret == 0)
|
|
*ppos += bytes;
|
|
|
|
kfree(buf);
|
|
|
|
return ((ret == 0) ? bytes : ret);
|
|
}
|
|
|
|
static loff_t dev_mem_seek(struct file *file, loff_t offset, int orig)
|
|
{
|
|
/* only requests of dword-aligned size and offset are supported */
|
|
if (offset % 4)
|
|
return -EINVAL;
|
|
|
|
return no_seek_end_llseek(file, offset, orig);
|
|
}
|
|
|
|
static const struct file_operations dev_mem_ops = {
|
|
.open = simple_open,
|
|
.read = dev_mem_read,
|
|
.write = dev_mem_write,
|
|
.llseek = dev_mem_seek,
|
|
};
|
|
|
|
static ssize_t fw_logger_read(struct file *file, char __user *user_buf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
struct wl1271 *wl = file->private_data;
|
|
|
|
return wl1271_format_buffer(user_buf, count,
|
|
ppos, "%d\n",
|
|
wl->conf.fwlog.output);
|
|
}
|
|
|
|
static ssize_t fw_logger_write(struct file *file,
|
|
const char __user *user_buf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
struct wl1271 *wl = file->private_data;
|
|
unsigned long value;
|
|
int ret;
|
|
|
|
ret = kstrtoul_from_user(user_buf, count, 0, &value);
|
|
if (ret < 0) {
|
|
wl1271_warning("illegal value in fw_logger");
|
|
return -EINVAL;
|
|
}
|
|
|
|
if ((value > 2) || (value == 0)) {
|
|
wl1271_warning("fw_logger value must be 1-UART 2-SDIO");
|
|
return -ERANGE;
|
|
}
|
|
|
|
if (wl->conf.fwlog.output == 0) {
|
|
wl1271_warning("invalid operation - fw logger disabled by default, please change mode via wlconf");
|
|
return -EINVAL;
|
|
}
|
|
|
|
mutex_lock(&wl->mutex);
|
|
ret = pm_runtime_resume_and_get(wl->dev);
|
|
if (ret < 0) {
|
|
count = ret;
|
|
goto out;
|
|
}
|
|
|
|
wl->conf.fwlog.output = value;
|
|
|
|
ret = wl12xx_cmd_config_fwlog(wl);
|
|
|
|
pm_runtime_mark_last_busy(wl->dev);
|
|
pm_runtime_put_autosuspend(wl->dev);
|
|
|
|
out:
|
|
mutex_unlock(&wl->mutex);
|
|
return count;
|
|
}
|
|
|
|
static const struct file_operations fw_logger_ops = {
|
|
.open = simple_open,
|
|
.read = fw_logger_read,
|
|
.write = fw_logger_write,
|
|
.llseek = default_llseek,
|
|
};
|
|
|
|
static void wl1271_debugfs_add_files(struct wl1271 *wl,
|
|
struct dentry *rootdir)
|
|
{
|
|
struct dentry *streaming;
|
|
|
|
DEBUGFS_ADD(tx_queue_len, rootdir);
|
|
DEBUGFS_ADD(retry_count, rootdir);
|
|
DEBUGFS_ADD(excessive_retries, rootdir);
|
|
|
|
DEBUGFS_ADD(gpio_power, rootdir);
|
|
DEBUGFS_ADD(start_recovery, rootdir);
|
|
DEBUGFS_ADD(driver_state, rootdir);
|
|
DEBUGFS_ADD(vifs_state, rootdir);
|
|
DEBUGFS_ADD(dtim_interval, rootdir);
|
|
DEBUGFS_ADD(suspend_dtim_interval, rootdir);
|
|
DEBUGFS_ADD(beacon_interval, rootdir);
|
|
DEBUGFS_ADD(beacon_filtering, rootdir);
|
|
DEBUGFS_ADD(dynamic_ps_timeout, rootdir);
|
|
DEBUGFS_ADD(forced_ps, rootdir);
|
|
DEBUGFS_ADD(split_scan_timeout, rootdir);
|
|
DEBUGFS_ADD(irq_pkt_threshold, rootdir);
|
|
DEBUGFS_ADD(irq_blk_threshold, rootdir);
|
|
DEBUGFS_ADD(irq_timeout, rootdir);
|
|
DEBUGFS_ADD(fw_stats_raw, rootdir);
|
|
DEBUGFS_ADD(sleep_auth, rootdir);
|
|
DEBUGFS_ADD(fw_logger, rootdir);
|
|
|
|
streaming = debugfs_create_dir("rx_streaming", rootdir);
|
|
|
|
DEBUGFS_ADD_PREFIX(rx_streaming, interval, streaming);
|
|
DEBUGFS_ADD_PREFIX(rx_streaming, always, streaming);
|
|
|
|
DEBUGFS_ADD_PREFIX(dev, mem, rootdir);
|
|
}
|
|
|
|
void wl1271_debugfs_reset(struct wl1271 *wl)
|
|
{
|
|
if (!wl->stats.fw_stats)
|
|
return;
|
|
|
|
memset(wl->stats.fw_stats, 0, wl->stats.fw_stats_len);
|
|
wl->stats.retry_count = 0;
|
|
wl->stats.excessive_retries = 0;
|
|
}
|
|
|
|
int wl1271_debugfs_init(struct wl1271 *wl)
|
|
{
|
|
int ret;
|
|
struct dentry *rootdir;
|
|
|
|
rootdir = debugfs_create_dir(KBUILD_MODNAME,
|
|
wl->hw->wiphy->debugfsdir);
|
|
|
|
wl->stats.fw_stats = kzalloc(wl->stats.fw_stats_len, GFP_KERNEL);
|
|
if (!wl->stats.fw_stats) {
|
|
ret = -ENOMEM;
|
|
goto out_remove;
|
|
}
|
|
|
|
wl->stats.fw_stats_update = jiffies;
|
|
|
|
wl1271_debugfs_add_files(wl, rootdir);
|
|
|
|
ret = wlcore_debugfs_init(wl, rootdir);
|
|
if (ret < 0)
|
|
goto out_exit;
|
|
|
|
goto out;
|
|
|
|
out_exit:
|
|
wl1271_debugfs_exit(wl);
|
|
|
|
out_remove:
|
|
debugfs_remove_recursive(rootdir);
|
|
|
|
out:
|
|
return ret;
|
|
}
|
|
|
|
void wl1271_debugfs_exit(struct wl1271 *wl)
|
|
{
|
|
kfree(wl->stats.fw_stats);
|
|
wl->stats.fw_stats = NULL;
|
|
}
|