Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / net / wimax / i2400m / sysfs.c

diff --git a/kernel/drivers/net/wimax/i2400m/sysfs.c b/kernel/drivers/net/wimax/i2400m/sysfs.c
new file mode 100644 (file)
index 0000000..1237109
--- /dev/null
+++ b/kernel/drivers/net/wimax/i2400m/sysfs.c
@@ -0,0 +1,80 @@
+/*
+ * 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>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+#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(i2400m_idle_timeout, S_IWUSR,
+           NULL, i2400m_idle_timeout_store);
+
+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,
+};