Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / net / ieee802154 / sysfs.c

diff --git a/kernel/net/ieee802154/sysfs.c b/kernel/net/ieee802154/sysfs.c
new file mode 100644 (file)
index 0000000..133b428
--- /dev/null
+++ b/kernel/net/ieee802154/sysfs.c
@@ -0,0 +1,79 @@
+/* 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.
+ *
+ * Authors:
+ * Alexander Aring <aar@pengutronix.de>
+ *
+ * Based on: net/wireless/sysfs.c
+ */
+
+#include <linux/device.h>
+
+#include <net/cfg802154.h>
+
+#include "core.h"
+#include "sysfs.h"
+
+static inline struct cfg802154_registered_device *
+dev_to_rdev(struct device *dev)
+{
+       return container_of(dev, struct cfg802154_registered_device,
+                           wpan_phy.dev);
+}
+
+#define SHOW_FMT(name, fmt, member)                                    \
+static ssize_t name ## _show(struct device *dev,                       \
+                            struct device_attribute *attr,             \
+                            char *buf)                                 \
+{                                                                      \
+       return sprintf(buf, fmt "\n", dev_to_rdev(dev)->member);        \
+}                                                                      \
+static DEVICE_ATTR_RO(name)
+
+SHOW_FMT(index, "%d", wpan_phy_idx);
+
+static ssize_t name_show(struct device *dev,
+                        struct device_attribute *attr,
+                        char *buf)
+{
+       struct wpan_phy *wpan_phy = &dev_to_rdev(dev)->wpan_phy;
+
+       return sprintf(buf, "%s\n", dev_name(&wpan_phy->dev));
+}
+static DEVICE_ATTR_RO(name);
+
+static void wpan_phy_release(struct device *dev)
+{
+       struct cfg802154_registered_device *rdev = dev_to_rdev(dev);
+
+       cfg802154_dev_free(rdev);
+}
+
+static struct attribute *pmib_attrs[] = {
+       &dev_attr_index.attr,
+       &dev_attr_name.attr,
+       NULL,
+};
+ATTRIBUTE_GROUPS(pmib);
+
+struct class wpan_phy_class = {
+       .name = "ieee802154",
+       .dev_release = wpan_phy_release,
+       .dev_groups = pmib_groups,
+};
+
+int wpan_phy_sysfs_init(void)
+{
+       return class_register(&wpan_phy_class);
+}
+
+void wpan_phy_sysfs_exit(void)
+{
+       class_unregister(&wpan_phy_class);
+}