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| author | Felix Fietkau <nbd@nbd.name> | 2020-12-29 18:23:29 +0100 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2021-01-03 12:56:40 +0100 |
| commit | 3a12c6679eb184ca2a9a2b1266cc2d41f3f00bad (patch) | |
| tree | 4c2a02dad4c0ebd8cbd90ad751841f3cedbdfd05 /package/kernel/mac80211/patches/subsys/342-mac80211-minstrel_ht-improve-sample-rate-selection.patch | |
| parent | 55e23f2c02ae95e84613ed7d1cbf8aba557b8682 (diff) | |
| download | upstream-3a12c6679eb184ca2a9a2b1266cc2d41f3f00bad.tar.gz upstream-3a12c6679eb184ca2a9a2b1266cc2d41f3f00bad.tar.bz2 upstream-3a12c6679eb184ca2a9a2b1266cc2d41f3f00bad.zip | |
mac80211: replace legacy minstrel with minstrel_ht, improve rate selection
Legacy minstrel is essentially unmaintained and was showing poor performance
Replace it with minstrel_ht and improve rate selection and sampling behavior
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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]; + } + |