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>

diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 76e794e..a43a148 100644 (file)
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -3195,6 +3195,9 @@ __ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
                ieee80211_stop_vif_queues(local, sdata,
                                          IEEE80211_QUEUE_STOP_REASON_CSA);
 
+       cfg80211_ch_switch_started_notify(sdata->dev, &sdata->csa_chandef,
+                                         params->count);
+
        if (changed) {
                ieee80211_bss_info_change_notify(sdata, changed);
                drv_channel_switch_beacon(sdata, &params->chandef);

diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 213a420..9472500 100644 (file)
--- 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);