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// SPDX-License-Identifier: GPL-2.0-only
/*
* Intel Wireless WiMAX Connection 2400m
* Sysfs interfaces to show driver and device information
*
* Copyright (C) 2007 Intel Corporation <linux-wimax@intel.com>
* Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
*/
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/spinlock.h>
#include <linux/device.h>
#include "i2400m.h"
#define D_SUBMODULE sysfs
#include "debug-levels.h"
/*
* Set the idle timeout (msecs)
*
* FIXME: eventually this should be a common WiMAX stack method, but
* would like to wait to see how other devices manage it.
*/
static
ssize_t i2400m_idle_timeout_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t size)
{
ssize_t result;
struct i2400m *i2400m = net_dev_to_i2400m(to_net_dev(dev));
unsigned val;
result = -EINVAL;
if (sscanf(buf, "%u\n", &val) != 1)
goto error_no_unsigned;
if (val != 0 && (val < 100 || val > 300000 || val % 100 != 0)) {
dev_err(dev, "idle_timeout: %u: invalid msecs specification; "
"valid values are 0, 100-300000 in 100 increments\n",
val);
goto error_bad_value;
}
result = i2400m_set_idle_timeout(i2400m, val);
if (result >= 0)
result = size;
error_no_unsigned:
error_bad_value:
return result;
}
static
DEVICE_ATTR_WO(i2400m_idle_timeout);
static
struct attribute *i2400m_dev_attrs[] = {
&dev_attr_i2400m_idle_timeout.attr,
NULL,
};
struct attribute_group i2400m_dev_attr_group = {
.name = NULL, /* we want them in the same directory */
.attrs = i2400m_dev_attrs,
};
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