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>
21 static inline struct cfg80211_registered_device *dev_to_rdev(
24 return container_of(dev, struct cfg80211_registered_device, wiphy.dev);
27 #define SHOW_FMT(name, fmt, member) \
28 static ssize_t name ## _show(struct device *dev, \
29 struct device_attribute *attr, \
32 return sprintf(buf, fmt "\n", dev_to_rdev(dev)->member); \
35 SHOW_FMT(index, "%d", wiphy_idx);
36 SHOW_FMT(macaddress, "%pM", wiphy.perm_addr);
37 SHOW_FMT(address_mask, "%pM", wiphy.addr_mask);
39 static ssize_t name_show(struct device *dev,
40 struct device_attribute *attr,
42 struct wiphy *wiphy = &dev_to_rdev(dev)->wiphy;
43 return sprintf(buf, "%s\n", dev_name(&wiphy->dev));
47 static ssize_t addresses_show(struct device *dev,
48 struct device_attribute *attr,
51 struct wiphy *wiphy = &dev_to_rdev(dev)->wiphy;
55 if (!wiphy->addresses)
56 return sprintf(buf, "%pM\n", wiphy->perm_addr);
58 for (i = 0; i < wiphy->n_addresses; i++)
59 buf += sprintf(buf, "%pM\n", &wiphy->addresses[i].addr);
64 static struct device_attribute ieee80211_dev_attrs[] = {
66 __ATTR_RO(macaddress),
67 __ATTR_RO(address_mask),
73 static void wiphy_dev_release(struct device *dev)
75 struct cfg80211_registered_device *rdev = dev_to_rdev(dev);
77 cfg80211_dev_free(rdev);
80 static int wiphy_uevent(struct device *dev, struct kobj_uevent_env *env)
82 /* TODO, we probably need stuff here */
86 static int wiphy_suspend(struct device *dev, pm_message_t state)
88 struct cfg80211_registered_device *rdev = dev_to_rdev(dev);
91 rdev->suspend_at = get_seconds();
93 if (rdev->ops->suspend) {
95 if (rdev->wiphy.registered)
96 ret = rdev_suspend(rdev);
103 static int wiphy_resume(struct device *dev)
105 struct cfg80211_registered_device *rdev = dev_to_rdev(dev);
108 /* Age scan results with time spent in suspend */
109 spin_lock_bh(&rdev->bss_lock);
110 cfg80211_bss_age(rdev, get_seconds() - rdev->suspend_at);
111 spin_unlock_bh(&rdev->bss_lock);
113 if (rdev->ops->resume) {
115 if (rdev->wiphy.registered)
116 ret = rdev_resume(rdev);
123 static const void *wiphy_namespace(struct device *d)
125 struct wiphy *wiphy = container_of(d, struct wiphy, dev);
127 return wiphy_net(wiphy);
130 struct class ieee80211_class = {
132 .owner = THIS_MODULE,
133 .dev_release = wiphy_dev_release,
134 .dev_attrs = ieee80211_dev_attrs,
135 .dev_uevent = wiphy_uevent,
136 .suspend = wiphy_suspend,
137 .resume = wiphy_resume,
138 .ns_type = &net_ns_type_operations,
139 .namespace = wiphy_namespace,
142 int wiphy_sysfs_init(void)
144 return class_register(&ieee80211_class);
147 void wiphy_sysfs_exit(void)
149 class_unregister(&ieee80211_class);