fix up hostapd for mac80211
[openwrt/openwrt.git] / package / mac80211 / src / net / wireless / sysfs.c
1 /*
2 * This file provides /sys/class/ieee80211/<wiphy name>/
3 * and some default attributes.
4 *
5 * Copyright 2005-2006 Jiri Benc <jbenc@suse.cz>
6 * Copyright 2006 Johannes Berg <johannes@sipsolutions.net>
7 *
8 * This file is GPLv2 as found in COPYING.
9 */
10
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>
17 #include "sysfs.h"
18 #include "core.h"
19
20 static inline struct cfg80211_registered_device *dev_to_rdev(
21 struct device *dev)
22 {
23 return container_of(dev, struct cfg80211_registered_device, wiphy.dev);
24 }
25
26 static ssize_t _show_index(struct device *dev, struct device_attribute *attr,
27 char *buf)
28 {
29 return sprintf(buf, "%d\n", dev_to_rdev(dev)->idx);
30 }
31
32 static ssize_t _show_permaddr(struct device *dev,
33 struct device_attribute *attr,
34 char *buf)
35 {
36 unsigned char *addr = dev_to_rdev(dev)->wiphy.perm_addr;
37
38 return sprintf(buf, "%.2x:%.2x:%.2x:%.2x:%.2x:%.2x\n",
39 addr[0], addr[1], addr[2], addr[3], addr[4], addr[5]);
40 }
41
42 static struct device_attribute ieee80211_dev_attrs[] = {
43 __ATTR(index, S_IRUGO, _show_index, NULL),
44 __ATTR(macaddress, S_IRUGO, _show_permaddr, NULL),
45 {}
46 };
47
48 static void wiphy_dev_release(struct device *dev)
49 {
50 struct cfg80211_registered_device *rdev = dev_to_rdev(dev);
51
52 cfg80211_dev_free(rdev);
53 }
54
55 #ifdef CONFIG_HOTPLUG
56 static int wiphy_uevent(struct device *dev, char **envp,
57 int num_envp, char *buf, int size)
58 {
59 /* TODO, we probably need stuff here */
60 return 0;
61 }
62 #endif
63
64 struct class ieee80211_class = {
65 .name = "ieee80211",
66 .owner = THIS_MODULE,
67 .dev_release = wiphy_dev_release,
68 .dev_attrs = ieee80211_dev_attrs,
69 #ifdef CONFIG_HOTPLUG
70 .dev_uevent = wiphy_uevent,
71 #endif
72 };
73
74 int wiphy_sysfs_init(void)
75 {
76 return class_register(&ieee80211_class);
77 }
78
79 void wiphy_sysfs_exit(void)
80 {
81 class_unregister(&ieee80211_class);
82 }