From a3ebb4e1b76346156e8e7233c262ce24e3a86a24 Mon Sep 17 00:00:00 2001 From: Krishna Chaitanya Date: Fri, 12 Jun 2015 02:34:52 +0530 Subject: [PATCH] mac80211: minstrel_ht: handle peers in dynamic SMPS In case of Dynamic SMPS enable RTS/CTS for all rates. Signed-off-by: Chaitanya T K [change comment] Signed-off-by: Johannes Berg --- net/mac80211/rc80211_minstrel_ht.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/net/mac80211/rc80211_minstrel_ht.c b/net/mac80211/rc80211_minstrel_ht.c index 543b67233535..3928dbd24e25 100644 --- a/net/mac80211/rc80211_minstrel_ht.c +++ b/net/mac80211/rc80211_minstrel_ht.c @@ -867,7 +867,13 @@ 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 if needed: + * - if station is in dynamic SMPS (and streams > 1) + * - for fallback rates, to increase chances of getting through + */ + if (offset > 0 && + (mi->sta->smps_mode == IEEE80211_SMPS_DYNAMIC && + group->streams > 1)) { ratetbl->rate[offset].count = ratetbl->rate[offset].count_rts; flags |= IEEE80211_TX_RC_USE_RTS_CTS; } -- 2.20.1