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#include <linux/ieee80211.h>
#include <linux/export.h>
#include <net/cfg80211.h>
#include "nl80211.h"
#include "core.h"
#include "rdev-ops.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_stop_ap(rdev, dev);
if (!err) {
wdev->beacon_interval = 0;
wdev->channel = NULL;
wdev->ssid_len = 0;
}
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;
}
void cfg80211_ch_switch_notify(struct net_device *dev,
struct cfg80211_chan_def *chandef)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct wiphy *wiphy = wdev->wiphy;
struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
trace_cfg80211_ch_switch_notify(dev, chandef);
wdev_lock(wdev);
if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
wdev->iftype != NL80211_IFTYPE_P2P_GO))
goto out;
wdev->channel = chandef->chan;
nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL);
out:
wdev_unlock(wdev);
return;
}
EXPORT_SYMBOL(cfg80211_ch_switch_notify);
bool cfg80211_rx_spurious_frame(struct net_device *dev,
const u8 *addr, gfp_t gfp)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
bool ret;
trace_cfg80211_rx_spurious_frame(dev, addr);
if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
wdev->iftype != NL80211_IFTYPE_P2P_GO)) {
trace_cfg80211_return_bool(false);
return false;
}
ret = nl80211_unexpected_frame(dev, addr, gfp);
trace_cfg80211_return_bool(ret);
return ret;
}
EXPORT_SYMBOL(cfg80211_rx_spurious_frame);
bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev,
const u8 *addr, gfp_t gfp)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
bool ret;
trace_cfg80211_rx_unexpected_4addr_frame(dev, addr);
if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
wdev->iftype != NL80211_IFTYPE_P2P_GO &&
wdev->iftype != NL80211_IFTYPE_AP_VLAN)) {
trace_cfg80211_return_bool(false);
return false;
}
ret = nl80211_unexpected_4addr_frame(dev, addr, gfp);
trace_cfg80211_return_bool(ret);
return ret;
}
EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame);
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