In case of Dynamic SMPS enable RTS/CTS for all rates.
Signed-off-by: Chaitanya T K <chaitanya.mgit@xxxxxxxxx>
---
V3: Moved the check to set_rate.
V2: Fix indent and add signoff.
---
net/mac80211/rc80211_minstrel_ht.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/net/mac80211/rc80211_minstrel_ht.c b/net/mac80211/rc80211_minstrel_ht.c
index 7430a1d..600208f 100644
--- a/net/mac80211/rc80211_minstrel_ht.c
+++ b/net/mac80211/rc80211_minstrel_ht.c
@@ -867,7 +867,15 @@ minstrel_ht_set_rate(struct minstrel_priv *mp, struct minstrel_ht_sta *mi,
else
idx = index % MCS_GROUP_RATES + (group->streams - 1) * 8;
- if (offset > 0) {
+ /* Enable RTS/CTS for below cases.
+ * 1) 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
+ * 2) 2nd and 3rd Rates, as 1st Rate Failed.
+ */
+ if ((mi->sta->smps_mode == IEEE80211_SMPS_DYNAMIC &&
+ group->streams > 1) ||
+ offset > 0) {
ratetbl->rate[offset].count = ratetbl->rate[offset].count_rts;
flags |= IEEE80211_TX_RC_USE_RTS_CTS;
}
--
1.9.1
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