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
14static 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
55int 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