2 * This file provides /sys/class/ieee80211/<wiphy name>/
3 * and some default attributes.
5 * Copyright 2005-2006 Jiri Benc <jbenc@suse.cz>
6 * Copyright 2006 Johannes Berg <johannes@sipsolutions.net>
8 * This file is GPLv2 as found in COPYING.
11 #include <linux/device.h>
12 #include <linux/module.h>
13 #include <linux/netdevice.h>
14 #include <linux/nl80211.h>
15 #include <linux/rtnetlink.h>
16 #include <net/cfg80211.h>
20 static inline struct cfg80211_registered_device *dev_to_rdev(
23 return container_of(dev, struct cfg80211_registered_device, wiphy.dev);
26 static ssize_t _show_index(struct device *dev, struct device_attribute *attr,
29 return sprintf(buf, "%d\n", dev_to_rdev(dev)->idx);
32 static ssize_t _show_permaddr(struct device *dev,
33 struct device_attribute *attr,
36 unsigned char *addr = dev_to_rdev(dev)->wiphy.perm_addr;
38 return sprintf(buf, "%.2x:%.2x:%.2x:%.2x:%.2x:%.2x\n",
39 addr[0], addr[1], addr[2], addr[3], addr[4], addr[5]);
42 static ssize_t _store_add_iface(struct device *dev,
43 struct device_attribute *attr,
44 const char *buf, size_t len)
46 struct cfg80211_registered_device *rdev = dev_to_rdev(dev);
52 if (!rdev->ops->add_virtual_intf)
56 res = rdev->ops->add_virtual_intf(&rdev->wiphy, (char*)buf,
57 NL80211_IFTYPE_UNSPECIFIED);
60 return res ? res : len;
63 static ssize_t _store_remove_iface(struct device *dev,
64 struct device_attribute *attr,
65 const char *buf, size_t len)
67 struct cfg80211_registered_device *rdev = dev_to_rdev(dev);
69 struct net_device *netdev;
74 if (!rdev->ops->del_virtual_intf)
77 netdev = dev_get_by_name(buf);
80 ifidx = netdev->ifindex;
84 res = rdev->ops->del_virtual_intf(&rdev->wiphy, ifidx);
87 return res ? res : len;
90 static struct device_attribute ieee80211_dev_attrs[] = {
91 __ATTR(index, S_IRUGO, _show_index, NULL),
92 __ATTR(macaddress, S_IRUGO, _show_permaddr, NULL),
93 __ATTR(add_iface, S_IWUGO, NULL, _store_add_iface),
94 __ATTR(remove_iface, S_IWUGO, NULL, _store_remove_iface),
98 static void wiphy_dev_release(struct device *dev)
100 struct cfg80211_registered_device *rdev = dev_to_rdev(dev);
102 cfg80211_dev_free(rdev);
105 static int wiphy_uevent(struct device *dev, char **envp,
106 int num_envp, char *buf, int size)
108 /* TODO, we probably need stuff here */
112 struct class ieee80211_class = {
114 .owner = THIS_MODULE,
115 .dev_release = wiphy_dev_release,
116 .dev_attrs = ieee80211_dev_attrs,
117 #ifdef CONFIG_HOTPLUG
118 .dev_uevent = wiphy_uevent,
122 int wiphy_sysfs_init(void)
124 return class_register(&ieee80211_class);
127 void wiphy_sysfs_exit(void)
129 class_unregister(&ieee80211_class);