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
20static 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
26static 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
32static 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
42static 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
48static 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
55static int wiphy_uevent(struct device *dev, char **envp,
56			int num_envp, char *buf, int size)
57{
58	/* TODO, we probably need stuff here */
59	return 0;
60}
61
62struct class ieee80211_class = {
63	.name = "ieee80211",
64	.owner = THIS_MODULE,
65	.dev_release = wiphy_dev_release,
66	.dev_attrs = ieee80211_dev_attrs,
67#ifdef CONFIG_HOTPLUG
68	.dev_uevent = wiphy_uevent,
69#endif
70};
71
72int wiphy_sysfs_init(void)
73{
74	return class_register(&ieee80211_class);
75}
76
77void wiphy_sysfs_exit(void)
78{
79	class_unregister(&ieee80211_class);
80}
81