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[~andy/linux] / net / wireless / ap.c
1 #include <linux/ieee80211.h>
2 #include <linux/export.h>
3 #include <net/cfg80211.h>
4 #include "nl80211.h"
5 #include "core.h"
6
7
8 static int __cfg80211_stop_ap(struct cfg80211_registered_device *rdev,
9                               struct net_device *dev)
10 {
11         struct wireless_dev *wdev = dev->ieee80211_ptr;
12         int err;
13
14         ASSERT_WDEV_LOCK(wdev);
15
16         if (!rdev->ops->stop_ap)
17                 return -EOPNOTSUPP;
18
19         if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
20             dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
21                 return -EOPNOTSUPP;
22
23         if (!wdev->beacon_interval)
24                 return -ENOENT;
25
26         err = rdev->ops->stop_ap(&rdev->wiphy, dev);
27         if (!err) {
28                 wdev->beacon_interval = 0;
29                 wdev->channel = NULL;
30         }
31
32         return err;
33 }
34
35 int cfg80211_stop_ap(struct cfg80211_registered_device *rdev,
36                      struct net_device *dev)
37 {
38         struct wireless_dev *wdev = dev->ieee80211_ptr;
39         int err;
40
41         wdev_lock(wdev);
42         err = __cfg80211_stop_ap(rdev, dev);
43         wdev_unlock(wdev);
44
45         return err;
46 }