mirror of https://gitee.com/openkylin/linux.git
81 lines
2.2 KiB
C
81 lines
2.2 KiB
C
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/*
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* Intel Wireless WiMAX Connection 2400m
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* Sysfs interfaces to show driver and device information
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*
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*
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* Copyright (C) 2007 Intel Corporation <linux-wimax@intel.com>
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* Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License version
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* 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*/
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#include <linux/netdevice.h>
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#include <linux/etherdevice.h>
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#include <linux/spinlock.h>
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#include <linux/device.h>
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#include "i2400m.h"
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#define D_SUBMODULE sysfs
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#include "debug-levels.h"
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/*
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* Set the idle timeout (msecs)
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*
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* FIXME: eventually this should be a common WiMAX stack method, but
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* would like to wait to see how other devices manage it.
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*/
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static
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ssize_t i2400m_idle_timeout_store(struct device *dev,
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struct device_attribute *attr,
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const char *buf, size_t size)
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{
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ssize_t result;
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struct i2400m *i2400m = net_dev_to_i2400m(to_net_dev(dev));
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unsigned val;
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result = -EINVAL;
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if (sscanf(buf, "%u\n", &val) != 1)
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goto error_no_unsigned;
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if (val != 0 && (val < 100 || val > 300000 || val % 100 != 0)) {
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dev_err(dev, "idle_timeout: %u: invalid msecs specification; "
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"valid values are 0, 100-300000 in 100 increments\n",
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val);
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goto error_bad_value;
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}
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result = i2400m_set_idle_timeout(i2400m, val);
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if (result >= 0)
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result = size;
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error_no_unsigned:
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error_bad_value:
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return result;
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}
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static
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DEVICE_ATTR(i2400m_idle_timeout, S_IWUSR,
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NULL, i2400m_idle_timeout_store);
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static
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struct attribute *i2400m_dev_attrs[] = {
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&dev_attr_i2400m_idle_timeout.attr,
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NULL,
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};
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struct attribute_group i2400m_dev_attr_group = {
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.name = NULL, /* we want them in the same directory */
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.attrs = i2400m_dev_attrs,
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};
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