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Diffstat (limited to 'package/mac80211/src/wireless/sysfs.c')
-rw-r--r--package/mac80211/src/wireless/sysfs.c130
1 files changed, 130 insertions, 0 deletions
diff --git a/package/mac80211/src/wireless/sysfs.c b/package/mac80211/src/wireless/sysfs.c
new file mode 100644
index 0000000000..374d16db73
--- /dev/null
+++ b/package/mac80211/src/wireless/sysfs.c
@@ -0,0 +1,130 @@
+/*
+ * 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)
+{
+ unsigned 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 ssize_t _store_add_iface(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t len)
+{
+ struct cfg80211_registered_device *rdev = dev_to_rdev(dev);
+ int res;
+
+ if (len > IFNAMSIZ)
+ return -EINVAL;
+
+ if (!rdev->ops->add_virtual_intf)
+ return -ENOSYS;
+
+ rtnl_lock();
+ res = rdev->ops->add_virtual_intf(&rdev->wiphy, (char*)buf,
+ NL80211_IFTYPE_UNSPECIFIED);
+ rtnl_unlock();
+
+ return res ? res : len;
+}
+
+static ssize_t _store_remove_iface(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t len)
+{
+ struct cfg80211_registered_device *rdev = dev_to_rdev(dev);
+ int res, ifidx;
+ struct net_device *netdev;
+
+ if (len > IFNAMSIZ)
+ return -EINVAL;
+
+ if (!rdev->ops->del_virtual_intf)
+ return -ENOSYS;
+
+ netdev = dev_get_by_name(buf);
+ if (!netdev)
+ return -ENODEV;
+ ifidx = netdev->ifindex;
+ dev_put(netdev);
+
+ rtnl_lock();
+ res = rdev->ops->del_virtual_intf(&rdev->wiphy, ifidx);
+ rtnl_unlock();
+
+ return res ? res : len;
+}
+
+static struct device_attribute ieee80211_dev_attrs[] = {
+ __ATTR(index, S_IRUGO, _show_index, NULL),
+ __ATTR(macaddress, S_IRUGO, _show_permaddr, NULL),
+ __ATTR(add_iface, S_IWUGO, NULL, _store_add_iface),
+ __ATTR(remove_iface, S_IWUGO, NULL, _store_remove_iface),
+ {}
+};
+
+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);
+}