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| author | Felix Fietkau <nbd@openwrt.org> | 2010-10-20 21:01:06 +0000 |
|---|---|---|
| committer | Felix Fietkau <nbd@openwrt.org> | 2010-10-20 21:01:06 +0000 |
| commit | 45c088cdf1d633a53095a3a4c824c823e914a147 (patch) | |
| tree | 692399766bfb30b63bd1b637e3d36791b7c73bec | |
| parent | d9b732a591363add1e73be5e1c8d1775b6ca1414 (diff) | |
| download | upstream-45c088cdf1d633a53095a3a4c824c823e914a147.tar.gz upstream-45c088cdf1d633a53095a3a4c824c823e914a147.tar.bz2 upstream-45c088cdf1d633a53095a3a4c824c823e914a147.zip | |
mac80211: improve minstrel_ht performance by ensuring that rates get sampled fast enough
SVN-Revision: 23554
| -rw-r--r-- | package/mac80211/patches/560-minstrel_ht_performance.patch | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/package/mac80211/patches/560-minstrel_ht_performance.patch b/package/mac80211/patches/560-minstrel_ht_performance.patch new file mode 100644 index 0000000000..43ff78b3a6 --- /dev/null +++ b/package/mac80211/patches/560-minstrel_ht_performance.patch @@ -0,0 +1,31 @@ +--- a/net/mac80211/rc80211_minstrel_ht.h ++++ b/net/mac80211/rc80211_minstrel_ht.h +@@ -103,6 +103,7 @@ struct minstrel_ht_sta { + u8 sample_tries; + u8 sample_count; + u8 sample_slow; ++ u8 sample_retry; + + /* current MCS group to be sampled */ + u8 sample_group; +--- a/net/mac80211/rc80211_minstrel_ht.c ++++ b/net/mac80211/rc80211_minstrel_ht.c +@@ -261,6 +261,7 @@ minstrel_ht_update_stats(struct minstrel + + /* try to sample up to half of the availble rates during each interval */ + mi->sample_count *= 4; ++ mi->sample_retry = mi->sample_count; + + cur_prob = 0; + cur_prob_tp = 0; +@@ -572,6 +573,10 @@ minstrel_get_sample_rate(struct minstrel + return sample_idx; + + next: ++ if (mi->sample_retry > 0) { ++ mi->sample_retry--; ++ mi->sample_tries++; ++ } + minstrel_next_sample_idx(mi); + return -1; + } |