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TOMOYO Linux Cross Reference
Linux/net/wireless/ap.c

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  1 // SPDX-License-Identifier: GPL-2.0
  2 #include <linux/ieee80211.h>
  3 #include <linux/export.h>
  4 #include <net/cfg80211.h>
  5 #include "nl80211.h"
  6 #include "core.h"
  7 #include "rdev-ops.h"
  8 
  9 
 10 int __cfg80211_stop_ap(struct cfg80211_registered_device *rdev,
 11                        struct net_device *dev, bool notify)
 12 {
 13         struct wireless_dev *wdev = dev->ieee80211_ptr;
 14         int err;
 15 
 16         ASSERT_WDEV_LOCK(wdev);
 17 
 18         if (!rdev->ops->stop_ap)
 19                 return -EOPNOTSUPP;
 20 
 21         if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
 22             dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
 23                 return -EOPNOTSUPP;
 24 
 25         if (!wdev->beacon_interval)
 26                 return -ENOENT;
 27 
 28         err = rdev_stop_ap(rdev, dev);
 29         if (!err) {
 30                 wdev->conn_owner_nlportid = 0;
 31                 wdev->beacon_interval = 0;
 32                 memset(&wdev->chandef, 0, sizeof(wdev->chandef));
 33                 wdev->ssid_len = 0;
 34                 rdev_set_qos_map(rdev, dev, NULL);
 35                 if (notify)
 36                         nl80211_send_ap_stopped(wdev);
 37 
 38                 /* Should we apply the grace period during beaconing interface
 39                  * shutdown also?
 40                  */
 41                 cfg80211_sched_dfs_chan_update(rdev);
 42         }
 43 
 44         return err;
 45 }
 46 
 47 int cfg80211_stop_ap(struct cfg80211_registered_device *rdev,
 48                      struct net_device *dev, bool notify)
 49 {
 50         struct wireless_dev *wdev = dev->ieee80211_ptr;
 51         int err;
 52 
 53         wdev_lock(wdev);
 54         err = __cfg80211_stop_ap(rdev, dev, notify);
 55         wdev_unlock(wdev);
 56 
 57         return err;
 58 }
 59 

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