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Diffstat (limited to 'net/wireless/mlme.c')
-rw-r--r--net/wireless/mlme.c27
1 files changed, 27 insertions, 0 deletions
diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c
index e14fdcc1d7cd..6801d96bc224 100644
--- a/net/wireless/mlme.c
+++ b/net/wireless/mlme.c
@@ -930,6 +930,33 @@ void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index,
}
EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify);
+void cfg80211_ch_switch_notify(struct net_device *dev, int freq,
+ enum nl80211_channel_type type)
+{
+ struct wireless_dev *wdev = dev->ieee80211_ptr;
+ struct wiphy *wiphy = wdev->wiphy;
+ struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
+ struct ieee80211_channel *chan;
+
+ wdev_lock(wdev);
+
+ if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP &&
+ wdev->iftype != NL80211_IFTYPE_P2P_GO))
+ goto out;
+
+ chan = rdev_freq_to_chan(rdev, freq, type);
+ if (WARN_ON(!chan))
+ goto out;
+
+ wdev->channel = chan;
+
+ nl80211_ch_switch_notify(rdev, dev, freq, type, 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)
{