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net/wireless/ap.c 1.24 KB
81f7e3824   Eric Lee   Initial Release, ...
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  // 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 wireless_dev *wdev = dev->ieee80211_ptr;
  	int err;
  
  	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;
  
  	err = rdev_stop_ap(rdev, dev);
  	if (!err) {
  		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);
  	}
  
  	return err;
  }
  
  int cfg80211_stop_ap(struct cfg80211_registered_device *rdev,
  		     struct net_device *dev, bool notify)
  {
  	struct wireless_dev *wdev = dev->ieee80211_ptr;
  	int err;
  
  	wdev_lock(wdev);
  	err = __cfg80211_stop_ap(rdev, dev, notify);
  	wdev_unlock(wdev);
  
  	return err;
  }