diff options
| author | Felix Fietkau <nbd@openwrt.org> | 2013-03-16 17:00:27 +0100 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2013-03-18 20:11:58 +0100 |
| commit | a0ca796c460259bc079631d2d148ffff1d1fc736 (patch) | |
| tree | ae0738a3ae771a4ff7cbd33a2718b3540b572a43 /net | |
| parent | mac80211/minstrel_ht: avoid useless sampling of high-probability slower rates (diff) | |
| download | linux-a0ca796c460259bc079631d2d148ffff1d1fc736.tar.xz linux-a0ca796c460259bc079631d2d148ffff1d1fc736.zip | |
mac80211/minstrel_ht: do not sample actively used rates
max_tp_rate2 and max_prob_rate tend to get used occasionally during
retransmission, which is more useful for the statistics than probing
with individual probe packets.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net')
| -rw-r--r-- | net/mac80211/rc80211_minstrel_ht.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/net/mac80211/rc80211_minstrel_ht.c b/net/mac80211/rc80211_minstrel_ht.c index 0fc9449925ef..d2b264d1311d 100644 --- a/net/mac80211/rc80211_minstrel_ht.c +++ b/net/mac80211/rc80211_minstrel_ht.c @@ -648,10 +648,13 @@ minstrel_get_sample_rate(struct minstrel_priv *mp, struct minstrel_ht_sta *mi) /* * Sampling might add some overhead (RTS, no aggregation) * to the frame. Hence, don't use sampling for the currently - * used max TP rate. + * used rates. */ - if (sample_idx == mi->max_tp_rate) + if (sample_idx == mi->max_tp_rate || + sample_idx == mi->max_tp_rate2 || + sample_idx == mi->max_prob_rate) return -1; + /* * Do not sample if the probability is already higher than 95% * to avoid wasting airtime. |