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-rw-r--r--net/mac80211/ht.c28
1 files changed, 28 insertions, 0 deletions
diff --git a/net/mac80211/ht.c b/net/mac80211/ht.c
index 9d101fb33861..11f74f5f7b2f 100644
--- a/net/mac80211/ht.c
+++ b/net/mac80211/ht.c
@@ -265,3 +265,31 @@ int ieee80211_send_smps_action(struct ieee80211_sub_if_data *sdata,
return 0;
}
+
+void ieee80211_request_smps_work(struct work_struct *work)
+{
+ struct ieee80211_sub_if_data *sdata =
+ container_of(work, struct ieee80211_sub_if_data,
+ u.mgd.request_smps_work);
+
+ mutex_lock(&sdata->u.mgd.mtx);
+ __ieee80211_request_smps(sdata, sdata->u.mgd.driver_smps_mode);
+ mutex_unlock(&sdata->u.mgd.mtx);
+}
+
+void ieee80211_request_smps(struct ieee80211_vif *vif,
+ enum ieee80211_smps_mode smps_mode)
+{
+ struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
+
+ if (WARN_ON(vif->type != NL80211_IFTYPE_STATION))
+ return;
+
+ if (WARN_ON(smps_mode == IEEE80211_SMPS_OFF))
+ smps_mode = IEEE80211_SMPS_AUTOMATIC;
+
+ ieee80211_queue_work(&sdata->local->hw,
+ &sdata->u.mgd.request_smps_work);
+}
+/* this might change ... don't want non-open drivers using it */
+EXPORT_SYMBOL_GPL(ieee80211_request_smps);