mac80211: stop modifying HT SMPS capability
Instead of modifying the HT SMPS capability field
for stations, track the SMPS mode explicitly in a
new field in the station struct and use it in the
drivers that care about it. This simplifies the
code using it.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
diff --git a/net/mac80211/ht.c b/net/mac80211/ht.c
index b84147a..0db25d4 100644
--- a/net/mac80211/ht.c
+++ b/net/mac80211/ht.c
@@ -102,6 +102,7 @@
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 @@
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;
}