From: Chaitanya Tata <chaitanya.m...@gmail.com>

In case of Dynamic SMPS enable RTS/CTS for all rates.
In case of Static SMPS mark the Nss > 1 rates as not supported.

Signed-off-by: Chaitanya T K <chaitanya.m...@gmail.com>
---
V2: Fix the Indent and Sign off missing.
---
 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..0889c22 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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