1 files changed, 80 insertions, 0 deletions

diff --git a/net/wireless/sysfs.c b/net/wireless/sysfs.c
new file mode 100644
index 000000000000..3ebae1442963
--- /dev/null
+++ b/net/wireless/sysfs.c
@@ -0,0 +1,80 @@
+/*
+ * This file provides /sys/class/ieee80211/<wiphy name>/
+ * and some default attributes.
+ *
+ * Copyright 2005-2006  Jiri Benc <jbenc@suse.cz>
+ * Copyright 2006       Johannes Berg <johannes@sipsolutions.net>
+ *
+ * This file is GPLv2 as found in COPYING.
+ */
+
+#include <linux/device.h>
+#include <linux/module.h>
+#include <linux/netdevice.h>
+#include <linux/nl80211.h>
+#include <linux/rtnetlink.h>
+#include <net/cfg80211.h>
+#include "sysfs.h"
+#include "core.h"
+
+static inline struct cfg80211_registered_device *dev_to_rdev(
+        struct device *dev)
+{
+        return container_of(dev, struct cfg80211_registered_device, wiphy.dev);
+}
+
+static ssize_t _show_index(struct device *dev, struct device_attribute *attr,
+                           char *buf)
+{
+        return sprintf(buf, "%d\n", dev_to_rdev(dev)->idx);
+}
+
+static ssize_t _show_permaddr(struct device *dev,
+                              struct device_attribute *attr,
+                              char *buf)
+{
+        char *addr = dev_to_rdev(dev)->wiphy.perm_addr;
+
+        return sprintf(buf, "%.2x:%.2x:%.2x:%.2x:%.2x:%.2x\n",
+                       addr[0], addr[1], addr[2], addr[3], addr[4], addr[5]);
+}
+
+static struct device_attribute ieee80211_dev_attrs[] = {
+        __ATTR(index, S_IRUGO, _show_index, NULL),
+        __ATTR(macaddress, S_IRUGO, _show_permaddr, NULL),
+        {}
+};
+
+static void wiphy_dev_release(struct device *dev)
+{
+        struct cfg80211_registered_device *rdev = dev_to_rdev(dev);
+
+        cfg80211_dev_free(rdev);
+}
+
+static int wiphy_uevent(struct device *dev, char **envp,
+                        int num_envp, char *buf, int size)
+{
+        /* TODO, we probably need stuff here */
+        return 0;
+}
+
+struct class ieee80211_class = {
+        .name = "ieee80211",
+        .owner = THIS_MODULE,
+        .dev_release = wiphy_dev_release,
+        .dev_attrs = ieee80211_dev_attrs,
+#ifdef CONFIG_HOTPLUG
+        .dev_uevent = wiphy_uevent,
+#endif
+};
+
+int wiphy_sysfs_init(void)
+{
+        return class_register(&ieee80211_class);
+}
+
+void wiphy_sysfs_exit(void)
+{
+        class_unregister(&ieee80211_class);
+}