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->conn_owner_nlportid = 0; 31 wdev->beacon_interval = 0; 32 memset(&wdev->chandef, 0, sizeof(wdev->chandef)); 33 wdev->ssid_len = 0; 34 rdev_set_qos_map(rdev, dev, NULL); 35 if (notify) 36 nl80211_send_ap_stopped(wdev); 37 38 /* Should we apply the grace period during beaconing interface 39 * shutdown also? 40 */ 41 cfg80211_sched_dfs_chan_update(rdev); 42 } 43 44 return err; 45 } 46 47 int cfg80211_stop_ap(struct cfg80211_registered_device *rdev, 48 struct net_device *dev, bool notify) 49 { 50 struct wireless_dev *wdev = dev->ieee80211_ptr; 51 int err; 52 53 wdev_lock(wdev); 54 err = __cfg80211_stop_ap(rdev, dev, notify); 55 wdev_unlock(wdev); 56 57 return err; 58 } 59