net/wireless/ap.c

   1 #include <linux/ieee80211.h>
   2 #include <linux/export.h>
   3 #include <net/cfg80211.h>
   4 #include "nl80211.h"
   5 #include "core.h"
   6
   7
   8 static int __cfg80211_stop_ap(struct cfg80211_registered_device *rdev,
   9                               struct net_device *dev)
  10 {
  11         struct wireless_dev *wdev = dev->ieee80211_ptr;
  12         int err;
  13
  14         ASSERT_WDEV_LOCK(wdev);
  15
  16         if (!rdev->ops->stop_ap)
  17                 return -EOPNOTSUPP;
  18
  19         if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
  20             dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
  21                 return -EOPNOTSUPP;
  22
  23         if (!wdev->beacon_interval)
  24                 return -ENOENT;
  25
  26         err = rdev->ops->stop_ap(&rdev->wiphy, dev);
  27         if (!err) {
  28                 wdev->beacon_interval = 0;
  29                 wdev->channel = NULL;
  30         }
  31
  32         return err;
  33 }
  34
  35 int cfg80211_stop_ap(struct cfg80211_registered_device *rdev,
  36                      struct net_device *dev)
  37 {
  38         struct wireless_dev *wdev = dev->ieee80211_ptr;
  39         int err;
  40
  41         wdev_lock(wdev);
  42         err = __cfg80211_stop_ap(rdev, dev);
  43         wdev_unlock(wdev);
  44
  45         return err;
  46 }