2018-02-12 20:38:30 +00:00
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From: Felix Fietkau <nbd@nbd.name>
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Date: Sat, 10 Feb 2018 13:43:07 +0100
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Subject: [PATCH] mac80211: minstrel: fix using short preamble CCK rates on
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HT clients
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mi->supported[MINSTREL_CCK_GROUP] needs to be updated
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Fixes: 782dda00ab8e ("mac80211: minstrel_ht: move short preamble check out of get_rate")
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Signed-off-by: Felix Fietkau <nbd@nbd.name>
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---
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2018-08-02 06:44:29 +00:00
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Index: backports-v4.18-rc7/net/mac80211/rc80211_minstrel_ht.c
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===================================================================
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--- backports-v4.18-rc7.orig/net/mac80211/rc80211_minstrel_ht.c
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+++ backports-v4.18-rc7/net/mac80211/rc80211_minstrel_ht.c
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2018-03-08 21:54:20 +00:00
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@@ -1135,7 +1135,6 @@ minstrel_ht_update_caps(void *priv, stru
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struct ieee80211_mcs_info *mcs = &sta->ht_cap.mcs;
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u16 ht_cap = sta->ht_cap.cap;
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struct ieee80211_sta_vht_cap *vht_cap = &sta->vht_cap;
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- struct sta_info *sinfo = container_of(sta, struct sta_info, sta);
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int use_vht;
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int n_supported = 0;
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int ack_dur;
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@@ -1267,8 +1266,7 @@ minstrel_ht_update_caps(void *priv, stru
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if (!n_supported)
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2018-02-12 20:38:30 +00:00
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goto use_legacy;
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2018-03-08 21:54:20 +00:00
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- if (test_sta_flag(sinfo, WLAN_STA_SHORT_PREAMBLE))
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2018-02-12 20:38:30 +00:00
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- mi->cck_supported_short |= mi->cck_supported_short << 4;
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2018-03-08 21:54:20 +00:00
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+ mi->supported[MINSTREL_CCK_GROUP] |= mi->cck_supported_short << 4;
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2018-02-12 20:38:30 +00:00
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/* create an initial rate table with the lowest supported rates */
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minstrel_ht_update_stats(mp, mi);
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