diff options
Diffstat (limited to 'package/kernel/mac80211/patches/subsys/311-mac80211-minstrel_ht-reduce-unnecessary-rate-probing.patch')
-rw-r--r-- | package/kernel/mac80211/patches/subsys/311-mac80211-minstrel_ht-reduce-unnecessary-rate-probing.patch | 42 |
1 files changed, 0 insertions, 42 deletions
diff --git a/package/kernel/mac80211/patches/subsys/311-mac80211-minstrel_ht-reduce-unnecessary-rate-probing.patch b/package/kernel/mac80211/patches/subsys/311-mac80211-minstrel_ht-reduce-unnecessary-rate-probing.patch deleted file mode 100644 index 11f6ead13d..0000000000 --- a/package/kernel/mac80211/patches/subsys/311-mac80211-minstrel_ht-reduce-unnecessary-rate-probing.patch +++ /dev/null @@ -1,42 +0,0 @@ -From: Felix Fietkau <nbd@nbd.name> -Date: Wed, 5 Jun 2019 20:42:49 +0200 -Subject: [PATCH] mac80211: minstrel_ht: reduce unnecessary rate probing - attempts - -On hardware with static fallback tables (e.g. mt76x2), rate probing attempts -can be very expensive. -On such devices, avoid sampling rates slower than the per-group max throughput -rate, based on the assumption that the fallback table will take care of probing -lower rates within that group if the higher rates fail. -To make this work, this also fixes a wrong initialization in the previously -unused per-group sorted rate array. -To further reduce unnecessary probing attempts, skip duplicate attempts on -rates slower than the max throughput rate. - -Signed-off-by: Felix Fietkau <nbd@nbd.name> ---- - ---- a/net/mac80211/rc80211_minstrel_ht.c -+++ b/net/mac80211/rc80211_minstrel_ht.c -@@ -1059,6 +1059,21 @@ minstrel_get_sample_rate(struct minstrel - minstrel_get_duration(mi->max_prob_rate) * 3 < sample_dur) - return -1; - -+ -+ /* -+ * For devices with no configurable multi-rate retry, skip sampling -+ * below the per-group max throughput rate, and only use one sampling -+ * attempt per rate -+ */ -+ if (mp->hw->max_rates == 1 && -+ (minstrel_get_duration(mg->max_group_tp_rate[0]) < sample_dur || -+ mrs->attempts)) -+ return -1; -+ -+ /* Skip already sampled slow rates */ -+ if (sample_dur >= minstrel_get_duration(tp_rate1) && mrs->attempts) -+ return -1; -+ - /* - * Make sure that lower rates get sampled only occasionally, - * if the link is working perfectly. |