mac80211: send channel switch started notifications

Send a channel switch notification to userspace when a channel switch
is requested or when we react to a remote CSA.

Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 213a420704a6..947250077615 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -1205,6 +1205,9 @@ ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata,
                                           IEEE80211_QUEUE_STOP_REASON_CSA);
         mutex_unlock(&local->mtx);
 
+        cfg80211_ch_switch_started_notify(sdata->dev, &csa_ie.chandef,
+                                          csa_ie.count);
+
         if (local->ops->channel_switch) {
                 /* use driver's channel switch callback */
                 drv_channel_switch(local, sdata, &ch_switch);