Hello.
I build with image builder, and install clean firmware
Test wifi as client
iperf3 -c 192.168.11.3 -R
Connecting to host 192.168.11.3, port 5201
Reverse mode, remote host 192.168.11.3 is sending
[ 5] local 192.168.11.227 port 59852 connected to 192.168.11.3 port 5201
[ ID] Interval Transfer Bitrate
[ 5] 0.00-1.00 sec 4.52 MBytes 37.9 Mbits/sec
[ 5] 1.00-2.00 sec 5.80 MBytes 48.5 Mbits/sec
[ 5] 2.00-3.00 sec 7.16 MBytes 60.3 Mbits/sec
[ 5] 3.00-4.00 sec 2.74 MBytes 23.0 Mbits/sec
[ 5] 4.00-5.00 sec 4.92 MBytes 41.3 Mbits/sec
[ 5] 5.00-6.00 sec 3.84 MBytes 32.2 Mbits/sec
[ 5] 6.00-7.00 sec 5.48 MBytes 46.0 Mbits/sec
[ 5] 7.00-8.01 sec 2.46 MBytes 20.4 Mbits/sec
[ 5] 8.01-9.01 sec 9.30 MBytes 78.2 Mbits/sec
[ 5] 9.01-10.00 sec 5.77 MBytes 48.6 Mbits/sec
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval Transfer Bitrate Retr
[ 5] 0.00-10.01 sec 52.5 MBytes 44.0 Mbits/sec 242 sender
[ 5] 0.00-10.00 sec 52.0 MBytes 43.6 Mbits/sec receiver
iperf Done.
iperf3 -c 192.168.11.3
Connecting to host 192.168.11.3, port 5201
[ 5] local 192.168.11.227 port 59856 connected to 192.168.11.3 port 5201
[ ID] Interval Transfer Bitrate Retr Cwnd
[ 5] 0.00-1.00 sec 1.82 MBytes 15.3 Mbits/sec 1 99.0 KBytes
[ 5] 1.00-2.00 sec 3.73 MBytes 31.3 Mbits/sec 1 212 KBytes
[ 5] 2.00-3.00 sec 5.43 MBytes 45.5 Mbits/sec 1 212 KBytes
[ 5] 3.00-4.00 sec 6.60 MBytes 55.2 Mbits/sec 0 212 KBytes
[ 5] 4.00-5.00 sec 2.20 MBytes 18.5 Mbits/sec 0 212 KBytes
[ 5] 5.00-6.00 sec 3.54 MBytes 29.7 Mbits/sec 1 1.41 KBytes
[ 5] 6.00-7.00 sec 1.92 MBytes 16.1 Mbits/sec 1 223 KBytes
[ 5] 7.00-8.00 sec 1.90 MBytes 16.0 Mbits/sec 1 163 KBytes
[ 5] 8.00-9.00 sec 2.20 MBytes 18.4 Mbits/sec 2 222 KBytes
[ 5] 9.00-10.01 sec 2.28 MBytes 19.0 Mbits/sec 1 229 KBytes
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval Transfer Bitrate Retr
[ 5] 0.00-10.01 sec 31.6 MBytes 26.5 Mbits/sec 9 sender
[ 5] 0.00-10.02 sec 31.3 MBytes 26.2 Mbits/sec receiver
iperf Done.
iw dev wlan0 station dump
Station (on wlan0)
inactive time: 170 ms
rx bytes: 59437311
rx packets: 43558
tx bytes: 35518977
tx packets: 27299
tx retries: 1606
tx failed: 1
beacon loss: 0
beacon rx: 999
rx drop misc: 4
signal: -27 [-28, -31] dBm
signal avg: -26 [-28, -31] dBm
beacon signal avg: -26 dBm
tx bitrate: 243.0 MBit/s MCS 14 40MHz
rx bitrate: 240.0 MBit/s MCS 13 40MHz short GI
rx duration: 0 us
expected throughput: 53.557Mbps
authorized: yes
authenticated: yes
associated: yes
preamble: long
WMM/WME: yes
MFP: no
TDLS peer: no
DTIM period: 2
beacon interval:100
short preamble: yes
short slot time:yes
connected time: 128 seconds
uname -a
Linux OpenWrt 4.14.241 #0 Thu Jul 29 19:50:28 2021 mips GNU/Linux
If i use usb wifi adapter on pc, with no MIMO. I get result
iperf3 -c 192.168.11.3
Connecting to host 192.168.11.3, port 5201
[ 5] local 192.168.11.119 port 51700 connected to 192.168.11.3 port 5201
[ ID] Interval Transfer Bitrate Retr Cwnd
[ 5] 0.00-1.00 sec 9.27 MBytes 77.7 Mbits/sec 0 222 KBytes
[ 5] 1.00-2.00 sec 9.69 MBytes 81.3 Mbits/sec 0 222 KBytes
[ 5] 2.00-3.00 sec 9.63 MBytes 80.8 Mbits/sec 0 222 KBytes
[ 5] 3.00-4.00 sec 9.57 MBytes 80.3 Mbits/sec 0 222 KBytes
[ 5] 4.00-5.00 sec 9.76 MBytes 81.8 Mbits/sec 0 222 KBytes
[ 5] 5.00-6.00 sec 9.69 MBytes 81.3 Mbits/sec 0 222 KBytes
[ 5] 6.00-7.00 sec 8.08 MBytes 67.8 Mbits/sec 0 222 KBytes
[ 5] 7.00-8.00 sec 10.1 MBytes 85.0 Mbits/sec 0 222 KBytes
[ 5] 8.00-9.00 sec 10.0 MBytes 83.9 Mbits/sec 0 222 KBytes
[ 5] 9.00-10.00 sec 9.76 MBytes 81.8 Mbits/sec 0 222 KBytes
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval Transfer Bitrate Retr
[ 5] 0.00-10.00 sec 95.6 MBytes 80.2 Mbits/sec 0 sender
[ 5] 0.00-10.01 sec 94.6 MBytes 79.3 Mbits/sec receiver
iperf Done.
iperf3 -c 192.168.11.3 -R
Connecting to host 192.168.11.3, port 5201
Reverse mode, remote host 192.168.11.3 is sending
[ 5] local 192.168.11.119 port 33678 connected to 192.168.11.3 port 5201
[ ID] Interval Transfer Bitrate
[ 5] 0.00-1.00 sec 8.00 MBytes 67.1 Mbits/sec
[ 5] 1.00-2.00 sec 8.56 MBytes 71.8 Mbits/sec
[ 5] 2.00-3.00 sec 8.81 MBytes 73.9 Mbits/sec
[ 5] 3.00-4.00 sec 8.94 MBytes 75.0 Mbits/sec
[ 5] 4.00-5.00 sec 8.93 MBytes 74.9 Mbits/sec
[ 5] 5.00-6.00 sec 9.13 MBytes 76.6 Mbits/sec
[ 5] 6.00-7.00 sec 8.98 MBytes 75.3 Mbits/sec
[ 5] 7.00-8.00 sec 9.09 MBytes 76.2 Mbits/sec
[ 5] 8.00-9.00 sec 9.08 MBytes 76.2 Mbits/sec
[ 5] 9.00-10.00 sec 8.79 MBytes 73.8 Mbits/sec
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval Transfer Bitrate Retr
[ 5] 0.00-10.01 sec 88.7 MBytes 74.4 Mbits/sec 9 sender
[ 5] 0.00-10.00 sec 88.3 MBytes 74.1 Mbits/sec receiver
iperf Done.
sudo iw dev wlx00117f1b68d9 station dump
Station (on wlx00117f1b68d9)
inactive time: 392 ms
rx bytes: 354943083
rx packets: 231373
tx bytes: 4711707
tx packets: 54641
tx retries: 0
tx failed: 0
beacon loss: 0
beacon rx: 867
rx drop misc: 22
signal: -30 [-30] dBm
signal avg: -30 [-30] dBm
beacon signal avg: -29 dBm
tx bitrate: 150.0 MBit/s MCS 7 40MHz short GI
tx duration: 0 us
rx bitrate: 150.0 MBit/s MCS 7 40MHz short GI
rx duration: 0 us
authorized: yes
authenticated: yes
associated: yes
preamble: long
WMM/WME: yes
MFP: no
TDLS peer: no
DTIM period: 2
beacon interval:100
short preamble: yes
short slot time:yes
connected time: 90 seconds
associated at [boottime]: 34317.291s
associated at: 1674986032520 ms
current time: 1674986122455 ms
Why such poor performance? Bottleneck CPU?
