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 void cfg80211_leave_all(struct cfg80211_registered_device
*rdev
)
88 struct wireless_dev
*wdev
;
90 list_for_each_entry(wdev
, &rdev
->wdev_list
, list
)
91 cfg80211_leave(rdev
, wdev
);
94 static int wiphy_suspend(struct device
*dev
, pm_message_t state
)
96 struct cfg80211_registered_device
*rdev
= dev_to_rdev(dev
);
99 rdev
->suspend_at
= get_seconds();
102 if (rdev
->wiphy
.registered
) {
104 cfg80211_leave_all(rdev
);
105 if (rdev
->ops
->suspend
)
106 ret
= rdev_suspend(rdev
, rdev
->wowlan
);
108 /* Driver refuse to configure wowlan */
109 cfg80211_leave_all(rdev
);
110 ret
= rdev_suspend(rdev
, NULL
);
118 static int wiphy_resume(struct device
*dev
)
120 struct cfg80211_registered_device
*rdev
= dev_to_rdev(dev
);
123 /* Age scan results with time spent in suspend */
124 cfg80211_bss_age(rdev
, get_seconds() - rdev
->suspend_at
);
126 if (rdev
->ops
->resume
) {
128 if (rdev
->wiphy
.registered
)
129 ret
= rdev_resume(rdev
);
136 static const void *wiphy_namespace(struct device
*d
)
138 struct wiphy
*wiphy
= container_of(d
, struct wiphy
, dev
);
140 return wiphy_net(wiphy
);
143 struct class ieee80211_class
= {
145 .owner
= THIS_MODULE
,
146 .dev_release
= wiphy_dev_release
,
147 .dev_attrs
= ieee80211_dev_attrs
,
148 .dev_uevent
= wiphy_uevent
,
149 .suspend
= wiphy_suspend
,
150 .resume
= wiphy_resume
,
151 .ns_type
= &net_ns_type_operations
,
152 .namespace = wiphy_namespace
,
155 int wiphy_sysfs_init(void)
157 return class_register(&ieee80211_class
);
160 void wiphy_sysfs_exit(void)
162 class_unregister(&ieee80211_class
);