1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * Parts of this file are 4 * Copyright (C) 2022-2023, 2026 Intel Corporation 5 */ 6 #include <linux/ieee80211.h> 7 #include <linux/export.h> 8 #include <net/cfg80211.h> 9 #include "nl80211.h" 10 #include "core.h" 11 #include "rdev-ops.h" 12 13 14 static int ___cfg80211_stop_ap(struct cfg80211_registered_device *rdev, 15 struct net_device *dev, unsigned int link_id, 16 bool notify) 17 { 18 struct wireless_dev *wdev = dev->ieee80211_ptr; 19 int err; 20 21 lockdep_assert_wiphy(wdev->wiphy); 22 23 if (!rdev->ops->stop_ap) 24 return -EOPNOTSUPP; 25 26 if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && 27 dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) 28 return -EOPNOTSUPP; 29 30 if (!wdev->links[link_id].ap.beacon_interval) 31 return -ENOENT; 32 33 err = rdev_stop_ap(rdev, dev, link_id); 34 if (!err) { 35 wdev->conn_owner_nlportid = 0; 36 memset(&wdev->links[link_id].ap, 0, 37 sizeof(wdev->links[link_id].ap)); 38 wdev->u.ap.ssid_len = 0; 39 rdev_set_qos_map(rdev, dev, NULL); 40 if (notify) 41 nl80211_send_ap_stopped(wdev, link_id); 42 43 /* Should we apply the grace period during beaconing interface 44 * shutdown also? 45 */ 46 cfg80211_sched_dfs_chan_update(rdev); 47 } 48 49 schedule_work(&cfg80211_disconnect_work); 50 51 return err; 52 } 53 54 int cfg80211_stop_ap(struct cfg80211_registered_device *rdev, 55 struct net_device *dev, int link_id, 56 bool notify) 57 { 58 unsigned int link; 59 int ret = 0; 60 61 if (link_id >= 0) 62 return ___cfg80211_stop_ap(rdev, dev, link_id, notify); 63 64 for_each_valid_link(dev->ieee80211_ptr, link) { 65 int ret1 = ___cfg80211_stop_ap(rdev, dev, link, notify); 66 67 if (ret1) 68 ret = ret1; 69 /* try the next one also if one errored */ 70 } 71 72 return ret; 73 } 74