1 // SPDX-License-Identifier: GPL-2.0 2 #include <linux/ieee80211.h> 3 #include <linux/export.h> 4 #include <net/cfg80211.h> 5 #include "nl80211.h" 6 #include "core.h" 7 #include "rdev-ops.h" 8 9 10 int __cfg80211_stop_ap(struct cfg80211_registered_device *rdev, 11 struct net_device *dev, bool notify) 12 { 13 struct wireless_dev *wdev = dev->ieee80211_ptr; 14 int err; 15 16 ASSERT_WDEV_LOCK(wdev); 17 18 if (!rdev->ops->stop_ap) 19 return -EOPNOTSUPP; 20 21 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && 22 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) 23 return -EOPNOTSUPP; 24 25 if (!wdev->beacon_interval) 26 return -ENOENT; 27 28 err = rdev_stop_ap(rdev, dev); 29 if (!err) { 30 wdev->beacon_interval = 0; 31 memset(&wdev->chandef, 0, sizeof(wdev->chandef)); 32 wdev->ssid_len = 0; 33 rdev_set_qos_map(rdev, dev, NULL); 34 if (notify) 35 nl80211_send_ap_stopped(wdev); 36 37 /* Should we apply the grace period during beaconing interface 38 * shutdown also? 39 */ 40 cfg80211_sched_dfs_chan_update(rdev); 41 } 42 43 return err; 44 } 45 46 int cfg80211_stop_ap(struct cfg80211_registered_device *rdev, 47 struct net_device *dev, bool notify) 48 { 49 struct wireless_dev *wdev = dev->ieee80211_ptr; 50 int err; 51 52 wdev_lock(wdev); 53 err = __cfg80211_stop_ap(rdev, dev, notify); 54 wdev_unlock(wdev); 55 56 return err; 57 } 58