mac80211: add api for monitoring/controlling rate control from user space

[openwrt/staging/nbd.git] / package / kernel / mac80211 / patches / subsys / 360-mac80211-minstrel-skip-memset-on-station-rate-contro.patch

diff --git a/package/kernel/mac80211/patches/subsys/360-mac80211-minstrel-skip-memset-on-station-rate-contro.patch b/package/kernel/mac80211/patches/subsys/360-mac80211-minstrel-skip-memset-on-station-rate-contro.patch
new file mode 100644 (file)
index 0000000..813ecf4
--- /dev/null
+++ b/package/kernel/mac80211/patches/subsys/360-mac80211-minstrel-skip-memset-on-station-rate-contro.patch
@@ -0,0 +1,23 @@
+From: Felix Fietkau <nbd@nbd.name>
+Date: Mon, 1 Feb 2021 10:44:04 +0100
+Subject: [PATCH] mac80211: minstrel: skip memset on station rate control
+ data
+
+With legacy minstrel support gone, there is no need to clear the data on
+capability updates anymore. The supported flags are fully re-initialized,
+and previous rate table statistics can be preserved.
+
+Signed-off-by: Felix Fietkau <nbd@nbd.name>
+---
+
+--- a/net/mac80211/rc80211_minstrel_ht.c
++++ b/net/mac80211/rc80211_minstrel_ht.c
+@@ -1558,8 +1558,6 @@ minstrel_ht_update_caps(void *priv, stru
+       else
+               use_vht = 0;
+ 
+-      memset(mi, 0, sizeof(*mi));
+-
+       mi->sta = sta;
+       mi->band = sband->band;
+       mi->last_stats_update = jiffies;