66 lines
1.5 KiB
C
66 lines
1.5 KiB
C
|
// 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,
|
||
|
|
};
|