package/mac80211/patches/560-minstrel_ht_performance.patch

   1 --- a/net/mac80211/rc80211_minstrel_ht.h
   2 +++ b/net/mac80211/rc80211_minstrel_ht.h
   3 @@ -103,6 +103,7 @@ struct minstrel_ht_sta {
   4         u8 sample_tries;
   5         u8 sample_count;
   6         u8 sample_slow;
   7 +       u8 sample_retry;
   8
   9         /* current MCS group to be sampled */
  10         u8 sample_group;
  11 --- a/net/mac80211/rc80211_minstrel_ht.c
  12 +++ b/net/mac80211/rc80211_minstrel_ht.c
  13 @@ -261,6 +261,7 @@ minstrel_ht_update_stats(struct minstrel
  14
  15         /* try to sample up to half of the availble rates during each interval */
  16         mi->sample_count *= 4;
  17 +       mi->sample_retry = mi->sample_count;
  18
  19         cur_prob = 0;
  20         cur_prob_tp = 0;
  21 @@ -572,6 +573,11 @@ minstrel_get_sample_rate(struct minstrel
  22         return sample_idx;
  23
  24  next:
  25 +       if (mi->sample_retry > 0) {
  26 +               mi->sample_retry--;
  27 +               mi->sample_tries++;
  28 +               mi->sample_wait = 1;
  29 +       }
  30         minstrel_next_sample_idx(mi);
  31         return -1;
  32  }