openwrtv4/package/kernel/mac80211/patches/373-mac80211-minstrel-fix-using-short-preamble-CCK-rates.patch
Felix Fietkau 916277a033 mac80211: minstrel: make short preamble CCK available when not used at connect time
The BSS short preamble state can change without rate control
update notification.

Signed-off-by: Felix Fietkau <nbd@nbd.name>
2018-03-10 11:57:42 +01:00

31 lines
1.1 KiB
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
@@ -1135,7 +1135,6 @@ minstrel_ht_update_caps(void *priv, stru
struct ieee80211_mcs_info *mcs = &sta->ht_cap.mcs;
u16 ht_cap = sta->ht_cap.cap;
struct ieee80211_sta_vht_cap *vht_cap = &sta->vht_cap;
- struct sta_info *sinfo = container_of(sta, struct sta_info, sta);
int use_vht;
int n_supported = 0;
int ack_dur;
@@ -1267,8 +1266,7 @@ minstrel_ht_update_caps(void *priv, stru
if (!n_supported)
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);