diff options
Diffstat (limited to 'package/kernel/mac80211/patches/subsys/342-mac80211-minstrel_ht-improve-sample-rate-selection.patch')
-rw-r--r-- | package/kernel/mac80211/patches/subsys/342-mac80211-minstrel_ht-improve-sample-rate-selection.patch | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/subsys/342-mac80211-minstrel_ht-improve-sample-rate-selection.patch b/package/kernel/mac80211/patches/subsys/342-mac80211-minstrel_ht-improve-sample-rate-selection.patch new file mode 100644 index 0000000000..e084525235 --- /dev/null +++ b/package/kernel/mac80211/patches/subsys/342-mac80211-minstrel_ht-improve-sample-rate-selection.patch @@ -0,0 +1,31 @@ +From: Felix Fietkau <nbd@nbd.name> +Date: Sat, 26 Dec 2020 19:12:22 +0100 +Subject: [PATCH] mac80211: minstrel_ht: improve sample rate selection + +Always allow sampling of rates faster than the primary max throughput rate. +When the second max_tp_rate is higher than the first one, sample attempts were +previously skipped, potentially causing rate control to get stuck at a slightly +lower rate + +Signed-off-by: Felix Fietkau <nbd@nbd.name> +--- + +--- a/net/mac80211/rc80211_minstrel_ht.c ++++ b/net/mac80211/rc80211_minstrel_ht.c +@@ -1379,13 +1379,13 @@ minstrel_get_sample_rate(struct minstrel + mrs = &mg->rates[sample_idx]; + sample_idx += sample_group * MCS_GROUP_RATES; + +- /* Set tp_rate1, tp_rate2 to the highest / second highest max_tp_rate */ ++ tp_rate1 = mi->max_tp_rate[0]; ++ ++ /* Set tp_rate2 to the second highest max_tp_rate */ + if (minstrel_get_duration(mi->max_tp_rate[0]) > + minstrel_get_duration(mi->max_tp_rate[1])) { +- tp_rate1 = mi->max_tp_rate[1]; + tp_rate2 = mi->max_tp_rate[0]; + } else { +- tp_rate1 = mi->max_tp_rate[0]; + tp_rate2 = mi->max_tp_rate[1]; + } + |