6478e9ec5ac13e06db051b7d37890df72ee3c230
[oweals/openwrt.git] /
1 From: Felix Fietkau <nbd@nbd.name>
2 Date: Sat, 10 Feb 2018 13:43:07 +0100
3 Subject: [PATCH] mac80211: minstrel: fix using short preamble CCK rates on
4  HT clients
5
6 mi->supported[MINSTREL_CCK_GROUP] needs to be updated
7
8 Fixes: 782dda00ab8e ("mac80211: minstrel_ht: move short preamble check out of get_rate")
9 Signed-off-by: Felix Fietkau <nbd@nbd.name>
10 ---
11
12 Index: backports-v4.18-rc7/net/mac80211/rc80211_minstrel_ht.c
13 ===================================================================
14 --- backports-v4.18-rc7.orig/net/mac80211/rc80211_minstrel_ht.c
15 +++ backports-v4.18-rc7/net/mac80211/rc80211_minstrel_ht.c
16 @@ -1135,7 +1135,6 @@ minstrel_ht_update_caps(void *priv, stru
17         struct ieee80211_mcs_info *mcs = &sta->ht_cap.mcs;
18         u16 ht_cap = sta->ht_cap.cap;
19         struct ieee80211_sta_vht_cap *vht_cap = &sta->vht_cap;
20 -       struct sta_info *sinfo = container_of(sta, struct sta_info, sta);
21         int use_vht;
22         int n_supported = 0;
23         int ack_dur;
24 @@ -1267,8 +1266,7 @@ minstrel_ht_update_caps(void *priv, stru
25         if (!n_supported)
26                 goto use_legacy;
27  
28 -       if (test_sta_flag(sinfo, WLAN_STA_SHORT_PREAMBLE))
29 -               mi->cck_supported_short |= mi->cck_supported_short << 4;
30 +       mi->supported[MINSTREL_CCK_GROUP] |= mi->cck_supported_short << 4;
31  
32         /* create an initial rate table with the lowest supported rates */
33         minstrel_ht_update_stats(mp, mi);