1 files changed, 19 insertions, 0 deletions

diff --git a/net/mac80211/ht.c b/net/mac80211/ht.c
index b84147ac5b4c..0db25d4bb223 100644
--- a/net/mac80211/ht.c
+++ b/net/mac80211/ht.c
@@ -102,6 +102,7 @@ bool ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_sub_if_data *sdata,
         int i, max_tx_streams;
         bool changed;
         enum ieee80211_sta_rx_bandwidth bw;
+        enum ieee80211_smps_mode smps_mode;
 
         memset(&ht_cap, 0, sizeof(ht_cap));
 
@@ -216,6 +217,24 @@ bool ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_sub_if_data *sdata,
                 ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40 ?
                                 IEEE80211_STA_RX_BW_40 : IEEE80211_STA_RX_BW_20;
 
+        switch ((ht_cap.cap & IEEE80211_HT_CAP_SM_PS)
+                        >> IEEE80211_HT_CAP_SM_PS_SHIFT) {
+        case WLAN_HT_CAP_SM_PS_INVALID:
+        case WLAN_HT_CAP_SM_PS_STATIC:
+                smps_mode = IEEE80211_SMPS_STATIC;
+                break;
+        case WLAN_HT_CAP_SM_PS_DYNAMIC:
+                smps_mode = IEEE80211_SMPS_DYNAMIC;
+                break;
+        case WLAN_HT_CAP_SM_PS_DISABLED:
+                smps_mode = IEEE80211_SMPS_OFF;
+                break;
+        }
+
+        if (smps_mode != sta->sta.smps_mode)
+                changed = true;
+        sta->sta.smps_mode = smps_mode;
+
         return changed;
 }