Very low throughput on QCA9880 ath10k module

[Vijay Kumar R Patel]

HI all,
we are testing throughput on our QCA9880 module using iperf command,
we are getting 10Mbps throughput, tried with all iperf options like
TCP window size,length but not getting more than 10Mbps.

Test procedure and system info
iperf b/w AP <----> STA
QCA9880 module on both ap and sta, with backported(backports-3.14-1)
ath10k driver running on Linux kernel version 2.6.32 with
firmware-2.bin_10.1.467.3-1

we are using hostapd configuration from
http://linuxwireless.org/en/users/Drivers/ath10k/configuration/ with
open system authentication

our system runs with dual core 800MHz network processor

iw dev wlan0 station dump
Station 04:f0:21:19:7a:c6 (on wlan0)
        inactive time:  209172 ms
        rx bytes:       1705693
        rx packets:     22992
        tx bytes:       67114841
        tx packets:     43826
        tx retries:     0
        tx failed:      0
        beacon loss:    0
        signal:         -56 dBm
        signal avg:     -63 dBm
        tx bitrate:     6.0 MBit/s
        rx bitrate:     468.0 MBit/s VHT-MCS 5 80MHz VHT-NSS 2
        authorized:     yes
        authenticated:  yes
        associated:     yes
        preamble:       long
        WMM/WME:        yes
        MFP:            no
        TDLS peer:      no
        DTIM period:    0
        beacon interval:240
        short slot time:yes
        connected time: 1973 seconds

Any input, thoughts on this issue
would be very helpful to us

Thanks and regards,
VIjay

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