LXR linux/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#include "rdev-ops.h"
   7
   8
   9int __cfg80211_stop_ap(struct cfg80211_registered_device *rdev,
  10                       struct net_device *dev, bool notify)
  11{
  12        struct wireless_dev *wdev = dev->ieee80211_ptr;
  13        int err;
  14
  15        ASSERT_WDEV_LOCK(wdev);
  16
  17        if (!rdev->ops->stop_ap)
  18                return -EOPNOTSUPP;
  19
  20        if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
  21            dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
  22                return -EOPNOTSUPP;
  23
  24        if (!wdev->beacon_interval)
  25                return -ENOENT;
  26
  27        err = rdev_stop_ap(rdev, dev);
  28        if (!err) {
  29                wdev->beacon_interval = 0;
  30                memset(&wdev->chandef, 0, sizeof(wdev->chandef));
  31                wdev->ssid_len = 0;
  32                rdev_set_qos_map(rdev, dev, NULL);
  33                if (notify)
  34                        nl80211_send_ap_stopped(wdev);
  35        }
  36
  37        return err;
  38}
  39
  40int cfg80211_stop_ap(struct cfg80211_registered_device *rdev,
  41                     struct net_device *dev, bool notify)
  42{
  43        struct wireless_dev *wdev = dev->ieee80211_ptr;
  44        int err;
  45
  46        wdev_lock(wdev);
  47        err = __cfg80211_stop_ap(rdev, dev, notify);
  48        wdev_unlock(wdev);
  49
  50        return err;
  51}
  52