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--- a/ath/if_ath.c
+++ b/ath/if_ath.c
@@ -8110,6 +8110,7 @@
ath_hal_setupxtxdesc(sc->sc_ah, ds, mrr.rate1, mrr.retries1,
mrr.rate2, mrr.retries2,
mrr.rate3, mrr.retries3);
+ bf->rcflags = mrr.privflags;
}
#ifndef ATH_SUPERG_FF
--- a/ath/if_athvar.h
+++ b/ath/if_athvar.h
@@ -454,6 +454,7 @@
u_int16_t bf_flags; /* tx descriptor flags */
u_int64_t bf_tsf;
int16_t bf_channoise;
+ unsigned int rcflags;
#ifdef ATH_SUPERG_FF
/* XXX: combine this with bf_skbaddr if it ever changes to accommodate
* multiple segments.
--- a/ath_rate/minstrel/minstrel.c
+++ b/ath_rate/minstrel/minstrel.c
@@ -341,18 +341,21 @@
if (sn->static_rate_ndx >= 0) {
ndx = sn->static_rate_ndx;
} else {
+ int delta;
+
sn->packet_count++;
sn->random_n = (sn->a * sn->random_n) + sn->b;
offset = sn->random_n & 0xf;
- if ((((100 * sn->sample_count) / sn->packet_count) <
- ath_lookaround_rate) &&
- (offset < 2)) {
+ delta = (sn->packet_count * ath_lookaround_rate / 100) - sn->sample_count;
+ if ((delta > 0) && (offset < 2)) {
sn->sample_count++;
sn->is_sampling = 1;
if (sn->packet_count >= 10000) {
sn->sample_count = 0;
sn->packet_count = 0;
+ } else if (delta > sn->num_rates * 2) {
+ sn->sample_count += ((delta - sn->num_rates * 2) * ath_lookaround_rate) / 100;
}
/* Don't look for slowest rate (i.e. slowest
@@ -420,11 +423,14 @@
if (sn->num_rates <= 0)
return;
+ mrr->privflags = sn->is_sampling;
if (sn->is_sampling) {
sn->is_sampling = 0;
- if (sn->rs_sample_rate_slower)
+ if (sn->rs_sample_rate_slower) {
rc1 = sn->rs_sample_rate;
- else
+ if (sn->sample_count > 0)
+ sn->sample_count--;
+ } else
rc1 = sn->max_tp_rate;
} else {
rc1 = sn->max_tp_rate2;
@@ -552,6 +558,9 @@
if (tries <= tries1)
return;
+ if (bf->rcflags)
+ sn->sample_count++;
+
if (tries2 < 0)
return;
tries = tries - tries1;
--- a/net80211/ieee80211_rate.h
+++ b/net80211/ieee80211_rate.h
@@ -87,6 +87,7 @@
int retries2;
int rate3;
int retries3;
+ int privflags;
};
struct ieee80211_rate_ops {
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