// SPDX-License-Identifier: GPL-2.0
#include <linux/ieee80211.h>
#include <linux/export.h>
#include <net/cfg80211.h>
#include "nl80211.h"
#include "core.h"
#include "rdev-ops.h"


int __cfg80211_stop_ap(struct cfg80211_registered_device *rdev,
		       struct net_device *dev, bool notify,
		       struct genl_info *info)
{
	struct wireless_dev *wdev = dev->ieee80211_ptr;
	int err;
#ifdef CFG80211_PROP_MULTI_LINK_SUPPORT
	struct cfg80211_ap_settings params = {0};
#endif /* CFG80211_PROP_MULTI_LINK_SUPPORT */

	ASSERT_WDEV_LOCK(wdev);

	if (!rdev->ops->stop_ap)
		return -EOPNOTSUPP;

	if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
	    dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
		return -EOPNOTSUPP;

	if (!wdev->beacon_interval)
		return -ENOENT;

#ifndef CFG80211_PROP_MULTI_LINK_SUPPORT
	err = rdev_stop_ap(rdev, dev);
#else /* CFG80211_PROP_MULTI_LINK_SUPPORT */
	if (info)
		params.mlo_info.reconfig =
			nla_get_flag(info->attrs[NL80211_ATTR_RECONFIG]);

	err = rdev_stop_ap(rdev, dev, &params);
#endif /* CFG80211_PROP_MULTI_LINK_SUPPORT */
	if (!err) {
		wdev->conn_owner_nlportid = 0;
		wdev->beacon_interval = 0;
		memset(&wdev->chandef, 0, sizeof(wdev->chandef));
		wdev->ssid_len = 0;
		rdev_set_qos_map(rdev, dev, NULL);
		if (notify)
			nl80211_send_ap_stopped(wdev);

		/* Should we apply the grace period during beaconing interface
		 * shutdown also?
		 */
		cfg80211_sched_dfs_chan_update(rdev);
	}

	schedule_work(&cfg80211_disconnect_work);

	return err;
}

int cfg80211_stop_ap(struct cfg80211_registered_device *rdev,
		     struct net_device *dev, bool notify,
		     struct genl_info *info)
{
	struct wireless_dev *wdev = dev->ieee80211_ptr;
	int err;

	wdev_lock(wdev);
	err = __cfg80211_stop_ap(rdev, dev, notify, info);
	wdev_unlock(wdev);

	return err;
}