111 lines
2.6 KiB
C
111 lines
2.6 KiB
C
#include <linux/ieee80211.h>
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#include <linux/export.h>
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#include <net/cfg80211.h>
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#include "nl80211.h"
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#include "core.h"
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#include "rdev-ops.h"
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static int __cfg80211_stop_ap(struct cfg80211_registered_device *rdev,
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struct net_device *dev)
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{
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struct wireless_dev *wdev = dev->ieee80211_ptr;
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int err;
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ASSERT_WDEV_LOCK(wdev);
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if (!rdev->ops->stop_ap)
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return -EOPNOTSUPP;
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if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
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dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
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return -EOPNOTSUPP;
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if (!wdev->beacon_interval)
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return -ENOENT;
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err = rdev_stop_ap(rdev, dev);
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if (!err) {
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wdev->beacon_interval = 0;
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wdev->channel = NULL;
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wdev->ssid_len = 0;
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}
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return err;
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}
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int cfg80211_stop_ap(struct cfg80211_registered_device *rdev,
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struct net_device *dev)
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{
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struct wireless_dev *wdev = dev->ieee80211_ptr;
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int err;
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wdev_lock(wdev);
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err = __cfg80211_stop_ap(rdev, dev);
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wdev_unlock(wdev);
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return err;
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}
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void cfg80211_ch_switch_notify(struct net_device *dev,
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struct cfg80211_chan_def *chandef)
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{
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struct wireless_dev *wdev = dev->ieee80211_ptr;
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struct wiphy *wiphy = wdev->wiphy;
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struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
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trace_cfg80211_ch_switch_notify(dev, chandef);
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wdev_lock(wdev);
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if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
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wdev->iftype != NL80211_IFTYPE_P2P_GO))
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goto out;
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wdev->channel = chandef->chan;
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nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL);
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out:
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wdev_unlock(wdev);
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return;
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}
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EXPORT_SYMBOL(cfg80211_ch_switch_notify);
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bool cfg80211_rx_spurious_frame(struct net_device *dev,
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const u8 *addr, gfp_t gfp)
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{
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struct wireless_dev *wdev = dev->ieee80211_ptr;
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bool ret;
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trace_cfg80211_rx_spurious_frame(dev, addr);
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if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
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wdev->iftype != NL80211_IFTYPE_P2P_GO)) {
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trace_cfg80211_return_bool(false);
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return false;
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}
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ret = nl80211_unexpected_frame(dev, addr, gfp);
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trace_cfg80211_return_bool(ret);
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return ret;
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}
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EXPORT_SYMBOL(cfg80211_rx_spurious_frame);
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bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev,
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const u8 *addr, gfp_t gfp)
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{
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struct wireless_dev *wdev = dev->ieee80211_ptr;
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bool ret;
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trace_cfg80211_rx_unexpected_4addr_frame(dev, addr);
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if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
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wdev->iftype != NL80211_IFTYPE_P2P_GO &&
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wdev->iftype != NL80211_IFTYPE_AP_VLAN)) {
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trace_cfg80211_return_bool(false);
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return false;
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}
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ret = nl80211_unexpected_4addr_frame(dev, addr, gfp);
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trace_cfg80211_return_bool(ret);
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return ret;
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}
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EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame);
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