From 62f0cf52ae0ace9ea4c72f29d0b4ec6f98a6f85f Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Wed, 20 Oct 2010 21:38:31 +0000 Subject: [PATCH] mac80211: decrease the minstrel_ht sampling interval for faster rate adaption git-svn-id: svn://svn.openwrt.org/openwrt/trunk@23555 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- .../patches/560-minstrel_ht_performance.patch | 3 ++- .../patches/561-minstrel_ht_sampling_interval.patch | 11 +++++++++++ 2 files changed, 13 insertions(+), 1 deletion(-) create mode 100644 package/mac80211/patches/561-minstrel_ht_sampling_interval.patch diff --git a/package/mac80211/patches/560-minstrel_ht_performance.patch b/package/mac80211/patches/560-minstrel_ht_performance.patch index 43ff78b3a6..a3e7f424ad 100644 --- a/package/mac80211/patches/560-minstrel_ht_performance.patch +++ b/package/mac80211/patches/560-minstrel_ht_performance.patch @@ -18,13 +18,14 @@ cur_prob = 0; cur_prob_tp = 0; -@@ -572,6 +573,10 @@ minstrel_get_sample_rate(struct minstrel +@@ -572,6 +573,11 @@ minstrel_get_sample_rate(struct minstrel return sample_idx; next: + if (mi->sample_retry > 0) { + mi->sample_retry--; + mi->sample_tries++; ++ mi->sample_wait = 1; + } minstrel_next_sample_idx(mi); return -1; diff --git a/package/mac80211/patches/561-minstrel_ht_sampling_interval.patch b/package/mac80211/patches/561-minstrel_ht_sampling_interval.patch new file mode 100644 index 0000000000..f9465e8be1 --- /dev/null +++ b/package/mac80211/patches/561-minstrel_ht_sampling_interval.patch @@ -0,0 +1,11 @@ +--- a/net/mac80211/rc80211_minstrel_ht.c ++++ b/net/mac80211/rc80211_minstrel_ht.c +@@ -408,7 +408,7 @@ minstrel_ht_tx_status(void *priv, struct + mi->ampdu_len += info->status.ampdu_len; + + if (!mi->sample_wait && !mi->sample_tries && mi->sample_count > 0) { +- mi->sample_wait = 4 + 2 * MINSTREL_TRUNC(mi->avg_ampdu_len); ++ mi->sample_wait = 8 + MINSTREL_TRUNC(mi->avg_ampdu_len); + mi->sample_tries = 3; + mi->sample_count--; + }