1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * Parts of this file are
4 * Copyright (C) 2022-2023 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 wdev->links[link_id].ap.beacon_interval = 0;
37 memset(&wdev->links[link_id].ap.chandef, 0,
38 sizeof(wdev->links[link_id].ap.chandef));
39 wdev->u.ap.ssid_len = 0;
40 rdev_set_qos_map(rdev, dev, NULL);
41 if (notify)
42 nl80211_send_ap_stopped(wdev, link_id);
43
44 /* Should we apply the grace period during beaconing interface
45 * shutdown also?
46 */
47 cfg80211_sched_dfs_chan_update(rdev);
48 }
49
50 schedule_work(&cfg80211_disconnect_work);
51
52 return err;
53 }
54
55 int cfg80211_stop_ap(struct cfg80211_registered_device *rdev,
56 struct net_device *dev, int link_id,
57 bool notify)
58 {
59 unsigned int link;
60 int ret = 0;
61
62 if (link_id >= 0)
63 return ___cfg80211_stop_ap(rdev, dev, link_id, notify);
64
65 for_each_valid_link(dev->ieee80211_ptr, link) {
66 int ret1 = ___cfg80211_stop_ap(rdev, dev, link, notify);
67
68 if (ret1)
69 ret = ret1;
70 /* try the next one also if one errored */
71 }
72
73 return ret;
74 }
75
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