ap.c

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#include <linux/ieee80211.h>
#include <linux/export.h>
#include <net/cfg80211.h>
#include "nl80211.h"
#include "core.h"


static int __cfg80211_stop_ap(struct cfg80211_registered_device *rdev,
                  struct net_device *dev)
{
    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->ops->stop_ap(&rdev->wiphy, dev);
    if (!err) {
        wdev->beacon_interval = 0;
        wdev->channel = NULL;
    }

    return err;
}

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

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

    return err;
}