1 files changed, 151 insertions, 0 deletions
diff --git a/net/wireless/sysfs.c b/net/wireless/sysfs.c
new file mode 100644
index 00000000..c6e4ca6a
--- /dev/null
+++ b/net/wireless/sysfs.c
@@ -0,0 +1,151 @@
+/*
+ * 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);
+}
+
+#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);	\
+}
+
+SHOW_FMT(index, "%d", wiphy_idx);
+SHOW_FMT(macaddress, "%pM", wiphy.perm_addr);
+SHOW_FMT(address_mask, "%pM", wiphy.addr_mask);
+
+static ssize_t name_show(struct device *dev,
+			 struct device_attribute *attr,
+			 char *buf) {
+	struct wiphy *wiphy = &dev_to_rdev(dev)->wiphy;
+	return sprintf(buf, "%s\n", dev_name(&wiphy->dev));
+}
+
+
+static ssize_t addresses_show(struct device *dev,
+			      struct device_attribute *attr,
+			      char *buf)
+{
+	struct wiphy *wiphy = &dev_to_rdev(dev)->wiphy;
+	char *start = buf;
+	int i;
+
+	if (!wiphy->addresses)
+		return sprintf(buf, "%pM\n", wiphy->perm_addr);
+
+	for (i = 0; i < wiphy->n_addresses; i++)
+		buf += sprintf(buf, "%pM\n", &wiphy->addresses[i].addr);
+
+	return buf - start;
+}
+
+static struct device_attribute ieee80211_dev_attrs[] = {
+	__ATTR_RO(index),
+	__ATTR_RO(macaddress),
+	__ATTR_RO(address_mask),
+	__ATTR_RO(addresses),
+	__ATTR_RO(name),
+	{}
+};
+
+static void wiphy_dev_release(struct device *dev)
+{
+	struct cfg80211_registered_device *rdev = dev_to_rdev(dev);
+
+	cfg80211_dev_free(rdev);
+}
+
+#ifdef CONFIG_HOTPLUG
+static int wiphy_uevent(struct device *dev, struct kobj_uevent_env *env)
+{
+	/* TODO, we probably need stuff here */
+	return 0;
+}
+#endif
+
+static int wiphy_suspend(struct device *dev, pm_message_t state)
+{
+	struct cfg80211_registered_device *rdev = dev_to_rdev(dev);
+	int ret = 0;
+
+	rdev->suspend_at = get_seconds();
+
+	if (rdev->ops->suspend) {
+		rtnl_lock();
+		ret = rdev->ops->suspend(&rdev->wiphy, rdev->wowlan);
+		rtnl_unlock();
+	}
+
+	return ret;
+}
+
+static int wiphy_resume(struct device *dev)
+{
+	struct cfg80211_registered_device *rdev = dev_to_rdev(dev);
+	int ret = 0;
+
+	/* Age scan results with time spent in suspend */
+	spin_lock_bh(&rdev->bss_lock);
+	cfg80211_bss_age(rdev, get_seconds() - rdev->suspend_at);
+	spin_unlock_bh(&rdev->bss_lock);
+
+	if (rdev->ops->resume) {
+		rtnl_lock();
+		ret = rdev->ops->resume(&rdev->wiphy);
+		rtnl_unlock();
+	}
+
+	return ret;
+}
+
+static const void *wiphy_namespace(struct device *d)
+{
+	struct wiphy *wiphy = container_of(d, struct wiphy, dev);
+
+	return wiphy_net(wiphy);
+}
+
+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
+	.suspend = wiphy_suspend,
+	.resume = wiphy_resume,
+	.ns_type = &net_ns_type_operations,
+	.namespace = wiphy_namespace,
+};
+
+int wiphy_sysfs_init(void)
+{
+	return class_register(&ieee80211_class);
+}
+
+void wiphy_sysfs_exit(void)
+{
+	class_unregister(&ieee80211_class);
+}