xref: /openbmc/linux/net/wireless/ap.c (revision 90a53e44)
1 #include <linux/ieee80211.h>
2 #include <linux/export.h>
3 #include <net/cfg80211.h>
4 #include "nl80211.h"
5 #include "core.h"
6 #include "rdev-ops.h"
7 
8 
9 int __cfg80211_stop_ap(struct cfg80211_registered_device *rdev,
10 		       struct net_device *dev, bool notify)
11 {
12 	struct wireless_dev *wdev = dev->ieee80211_ptr;
13 	int err;
14 
15 	ASSERT_WDEV_LOCK(wdev);
16 
17 	if (!rdev->ops->stop_ap)
18 		return -EOPNOTSUPP;
19 
20 	if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
21 	    dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
22 		return -EOPNOTSUPP;
23 
24 	if (!wdev->beacon_interval)
25 		return -ENOENT;
26 
27 	err = rdev_stop_ap(rdev, dev);
28 	if (!err) {
29 		wdev->beacon_interval = 0;
30 		memset(&wdev->chandef, 0, sizeof(wdev->chandef));
31 		wdev->ssid_len = 0;
32 		rdev_set_qos_map(rdev, dev, NULL);
33 		if (notify)
34 			nl80211_send_ap_stopped(wdev);
35 
36 		/* Should we apply the grace period during beaconing interface
37 		 * shutdown also?
38 		 */
39 		cfg80211_sched_dfs_chan_update(rdev);
40 	}
41 
42 	return err;
43 }
44 
45 int cfg80211_stop_ap(struct cfg80211_registered_device *rdev,
46 		     struct net_device *dev, bool notify)
47 {
48 	struct wireless_dev *wdev = dev->ieee80211_ptr;
49 	int err;
50 
51 	wdev_lock(wdev);
52 	err = __cfg80211_stop_ap(rdev, dev, notify);
53 	wdev_unlock(wdev);
54 
55 	return err;
56 }
57