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minstrel: improve performance for non-MRR drivers

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This patch enhances minstrel's performance for non-MRR setups,
by preventing it from sampling slower rates with >95% success
probability and by putting at least 1 non-sample frame between
several sample frames.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Felix Fietkau 2008-10-15 19:13:59 +02:00 • committed by John W. Linville
parent 0a9542ee12
commit f4a8cd94fc
2 changed files with 27 additions and 4 deletions
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2
net/mac80211/rc80211_minstrel.h
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@ -16,6 +16,7 @@ struct minstrel_rate {
unsigned int perfect_tx_time;
unsigned int ack_time;
int sample_limit;
unsigned int retry_count;
unsigned int retry_count_cts;
unsigned int retry_count_rtscts;
@ -57,6 +58,7 @@ struct minstrel_sta_info {
int n_rates;
struct minstrel_rate *r;
bool prev_sample;
/* sampling table */
u8 *sample_table;