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

diff --git a/package/mac80211/patches/560-minstrel_ht_performance.patch b/package/mac80211/patches/560-minstrel_ht_performance.patch
index 43ff78b..a3e7f42 100644 (file)
--- 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 (file)
index 0000000..f9465e8
--- /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--;
+       }