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1366 lines
33 KiB
1366 lines
33 KiB
// 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 <[email protected]> |
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*/ |
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|
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#include "debugfs.h" |
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|
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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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|
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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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|
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/* ms */ |
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#define WL1271_DEBUGFS_STATS_LIFETIME 1000 |
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|
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#define WLCORE_MAX_BLOCK_SIZE ((size_t)(4*PAGE_SIZE)) |
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|
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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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|
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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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|
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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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|
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mutex_lock(&wl->mutex); |
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|
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if (unlikely(wl->state != WLCORE_STATE_ON)) |
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goto out; |
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|
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ret = pm_runtime_get_sync(wl->dev); |
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if (ret < 0) { |
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pm_runtime_put_noidle(wl->dev); |
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goto out; |
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} |
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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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_get_sync(wl->dev); |
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if (ret < 0) { |
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pm_runtime_put_noidle(wl->dev); |
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return; |
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} |
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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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|
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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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|
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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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|
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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_get_sync(wl->dev); |
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if (ret < 0) { |
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pm_runtime_put_noidle(wl->dev); |
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goto out; |
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} |
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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_get_sync(wl->dev); |
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if (ret < 0) { |
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pm_runtime_put_noidle(wl->dev); |
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goto out; |
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} |
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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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|
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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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|
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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 |
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#undef DRIVER_STATE_PRINT_LHEX |
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#undef DRIVER_STATE_PRINT_STR |
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#undef DRIVER_STATE_PRINT |
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#undef DRIVER_STATE_BUF_LEN |
|
|
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mutex_unlock(&wl->mutex); |
|
|
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ret = simple_read_from_buffer(user_buf, count, ppos, buf, res); |
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kfree(buf); |
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return ret; |
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} |
|
|
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static const struct file_operations driver_state_ops = { |
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.read = driver_state_read, |
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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 vifs_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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struct wl12xx_vif *wlvif; |
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int ret, res = 0; |
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const int buf_size = 4096; |
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char *buf; |
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char tmp_buf[64]; |
|
|
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buf = kzalloc(buf_size, GFP_KERNEL); |
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if (!buf) |
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return -ENOMEM; |
|
|
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mutex_lock(&wl->mutex); |
|
|
|
#define VIF_STATE_PRINT(x, fmt) \ |
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(res += scnprintf(buf + res, buf_size - res, \ |
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#x " = " fmt "\n", wlvif->x)) |
|
|
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#define VIF_STATE_PRINT_LONG(x) VIF_STATE_PRINT(x, "%ld") |
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#define VIF_STATE_PRINT_INT(x) VIF_STATE_PRINT(x, "%d") |
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#define VIF_STATE_PRINT_STR(x) VIF_STATE_PRINT(x, "%s") |
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#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_get_sync(wl->dev); |
|
if (ret < 0) { |
|
pm_runtime_put_noidle(wl->dev); |
|
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_get_sync(wl->dev); |
|
if (ret < 0) { |
|
pm_runtime_put_noidle(wl->dev); |
|
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_get_sync(wl->dev); |
|
if (ret < 0) { |
|
pm_runtime_put_noidle(wl->dev); |
|
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_get_sync(wl->dev); |
|
if (ret < 0) { |
|
pm_runtime_put_noidle(wl->dev); |
|
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_get_sync(wl->dev); |
|
if (ret < 0) { |
|
pm_runtime_put_noidle(wl->dev); |
|
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; |
|
}
|
|
|