From: Chaitanya Tata <chaitanya.mgit@xxxxxxxxx>
In case of Dynamic SMPS enable RTS/CTS for all rates.
In case of Static SMPS mark the Nss > 1 rates as not supported.
---
net/mac80211/rc80211_minstrel_ht.c | 13 ++++++++++---
1 file changed, 10 insertions(+), 3 deletions(-)
diff --git a/net/mac80211/rc80211_minstrel_ht.c b/net/mac80211/rc80211_minstrel_ht.c
index 7430a1d..fdc08d0 100644
--- a/net/mac80211/rc80211_minstrel_ht.c
+++ b/net/mac80211/rc80211_minstrel_ht.c
@@ -1176,9 +1176,16 @@ minstrel_ht_update_caps(void *priv, struct ieee80211_supported_band *sband,
nss = minstrel_mcs_groups[i].streams;
- /* Mark MCS > 7 as unsupported if STA is in static SMPS mode */
- if (sta->smps_mode == IEEE80211_SMPS_STATIC && nss > 1)
- continue;
+ /* Handle STA's SMPS State, if Nss > 1.
+ * a. Use RTS_CTS, if STA is in Dynamic SMPS Mode
+ * b. Mark Nss > 1 as unsupported, if STA is in static SMPS mode
+ */
+ if (nss > 1) {
+ if (sta->smps_mode == IEEE80211_SMPS_DYNAMIC)
+ gflags |= IEEE80211_TX_RC_USE_RTS_CTS;
+ else if (sta->smps_mode == IEEE80211_SMPS_STATIC)
+ continue;
+ }
/* HT rate */
if (gflags & IEEE80211_TX_RC_MCS) {
--
1.9.1
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