Hello,
I am experimenting with Rate Control of ath9k (minstrel_ht) and tried to fix the
rate to a value. I fix it to an index (e.g. 2) using the relevant patch and
debugfs and confirm the value is changed:
echo 2 > /sys/kernel/debug/ieee80211/phy0/rc/fixed_rate_idx
It seems though the value is ignored, and minstrel RC works unaffected:
>From the rcstat file:
rate throughput ewma prob this prob this succ/attempt success attempts
1 0.1 15.5 50.0 0( 0) 23 121
2 0.4 25.0 100.0 0( 0) 1 1
5.5 0.0 0.0 0.0 0( 0) 0 0
P 11 4.5 47.9 85.7 24( 28) 334 737
6 1.3 24.6 0.0 0( 0) 2 8
9 1.5 18.7 0.0 0( 0) 1 5
12 2.1 19.2 0.0 0( 0) 3 22
18 1.8 11.0 0.0 0( 0) 96 311
t 24 6.5 30.9 100.0 1( 1) 14 151
T 36 8.7 28.8 100.0 1( 1) 157 822
48 1.4 3.8 0.0 0( 0) 85 421
54 1.9 4.3 0.0 0( 0) 18336 19723
I am using OpenWrt Backfire (10.03.1, r29592) on a WRT160nl and connect with it
over 802.11g using iperf on a smartphone.
As this is my first ever post on the list, please be nice :)
Thanks in advance,
Antonis
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