diff options
Diffstat (limited to 'package/kernel/mac80211/patches/subsys/310-mac80211-minstrel-do-not-sample-rates-3-times-slower.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/subsys/310-mac80211-minstrel-do-not-sample-rates-3-times-slower.patch | 40 |
1 files changed, 0 insertions, 40 deletions
diff --git a/package/kernel/mac80211/patches/subsys/310-mac80211-minstrel-do-not-sample-rates-3-times-slower.patch b/package/kernel/mac80211/patches/subsys/310-mac80211-minstrel-do-not-sample-rates-3-times-slower.patch deleted file mode 100644 index 414cb137de..0000000000 --- a/package/kernel/mac80211/patches/subsys/310-mac80211-minstrel-do-not-sample-rates-3-times-slower.patch +++ /dev/null @@ -1,40 +0,0 @@ -From: Felix Fietkau <nbd@nbd.name> -Date: Sat, 3 Mar 2018 18:48:58 +0100 -Subject: [PATCH] mac80211: minstrel: do not sample rates 3 times slower than - max_prob_rate - -These rates are highly unlikely to be used quickly, even if the link -deteriorates rapidly. This improves throughput in cases where CCK rates -are not reliable enough to be skipped entirely during sampling. -Sampling these rates regularly can cost a lot of airtime. - -Signed-off-by: Felix Fietkau <nbd@nbd.name> ---- - ---- a/net/mac80211/rc80211_minstrel_ht.c -+++ b/net/mac80211/rc80211_minstrel_ht.c -@@ -1004,10 +1004,13 @@ minstrel_get_sample_rate(struct minstrel - return -1; - - /* -- * Do not sample if the probability is already higher than 95% -- * to avoid wasting airtime. -+ * Do not sample if the probability is already higher than 95%, -+ * or if the rate is 3 times slower than the current max probability -+ * rate, to avoid wasting airtime. - */ -- if (mrs->prob_ewma > MINSTREL_FRAC(95, 100)) -+ sample_dur = minstrel_get_duration(sample_idx); -+ if (mrs->prob_ewma > MINSTREL_FRAC(95, 100) || -+ minstrel_get_duration(mi->max_prob_rate) * 3 < sample_dur) - return -1; - - /* -@@ -1017,7 +1020,6 @@ minstrel_get_sample_rate(struct minstrel - - cur_max_tp_streams = minstrel_mcs_groups[tp_rate1 / - MCS_GROUP_RATES].streams; -- sample_dur = minstrel_get_duration(sample_idx); - if (sample_dur >= minstrel_get_duration(tp_rate2) && - (cur_max_tp_streams - 1 < - minstrel_mcs_groups[sample_group].streams || |