openwrtv4/package/kernel/mac80211/patches/329-mac80211-minstrel-fix-using-short-preamble-CCK-rates.patch
Felix Fietkau d59c6b53f4 mac80211: add more minstrel fixes
Improves 2.4 GHz throughput

Signed-off-by: Felix Fietkau <nbd@nbd.name>
2018-03-01 13:35:11 +01:00

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Diff

From: Felix Fietkau <nbd@nbd.name>
Date: Sat, 10 Feb 2018 13:43:07 +0100
Subject: [PATCH] mac80211: minstrel: fix using short preamble CCK rates on
HT clients
mi->supported[MINSTREL_CCK_GROUP] needs to be updated
Fixes: 782dda00ab8e ("mac80211: minstrel_ht: move short preamble check out of get_rate")
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
--- a/net/mac80211/rc80211_minstrel_ht.c
+++ b/net/mac80211/rc80211_minstrel_ht.c
@@ -1268,7 +1268,8 @@ minstrel_ht_update_caps(void *priv, stru
goto use_legacy;
if (test_sta_flag(sinfo, WLAN_STA_SHORT_PREAMBLE))
- mi->cck_supported_short |= mi->cck_supported_short << 4;
+ mi->supported[MINSTREL_CCK_GROUP] |=
+ mi->cck_supported_short << 4;
/* create an initial rate table with the lowest supported rates */
minstrel_ht_update_stats(mp, mi);