Aw: [PATCH net-next 0/6] net-next: dsa: mt7530: add support for MT7531

[Frank Wunderlich]

Hi

thank you for the DSA-driver, works so far, but a bit to improve:

i got some retransmitts on RX (TX looks good)...i guess a clk/pll problem

Iperf3-Client (BPI-R64,192.168.0.19):

root@bpi-r64:~# iperf3 -c 192.168.0.21
Connecting to host 192.168.0.21, port 5201
[  5] local 192.168.0.19 port 56412 connected to 192.168.0.21 port 5201
[ ID] Interval           Transfer     Bitrate         Retr  Cwnd
[  5]   0.00-1.00   sec   114 MBytes   957 Mbits/sec    0   1003 KBytes
[  5]   1.00-2.00   sec   113 MBytes   944 Mbits/sec    0   1.08 MBytes
[  5]   2.00-3.00   sec   112 MBytes   941 Mbits/sec    0   1.08 MBytes
[  5]   3.00-4.00   sec   112 MBytes   941 Mbits/sec    0   1.08 MBytes
[  5]   4.00-5.00   sec   112 MBytes   942 Mbits/sec    0   1.08 MBytes
[  5]   5.00-6.00   sec   112 MBytes   944 Mbits/sec    0   1.21 MBytes
[  5]   6.00-7.00   sec   112 MBytes   944 Mbits/sec    0   1.27 MBytes
[  5]   7.00-8.00   sec   112 MBytes   943 Mbits/sec    0   1.27 MBytes
[  5]   8.00-9.00   sec   111 MBytes   934 Mbits/sec    0   1.27 MBytes
[  5]   9.00-10.00  sec   112 MBytes   944 Mbits/sec    0   1.27 MBytes
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval           Transfer     Bitrate         Retr
[  5]   0.00-10.00  sec  1.10 GBytes   943 Mbits/sec    0             sender
[  5]   0.00-10.00  sec  1.10 GBytes   941 Mbits/sec                  receiver

iperf Done.

root@bpi-r64:~# iperf3 -c 192.168.0.21 -R
Connecting to host 192.168.0.21, port 5201
Reverse mode, remote host 192.168.0.21 is sending
[  5] local 192.168.0.19 port 56420 connected to 192.168.0.21 port 5201
[ ID] Interval           Transfer     Bitrate
[  5]   0.00-1.00   sec   112 MBytes   941 Mbits/sec
[  5]   1.00-2.00   sec   112 MBytes   941 Mbits/sec
[  5]   2.00-3.00   sec   111 MBytes   933 Mbits/sec
[  5]   3.00-4.00   sec   112 MBytes   941 Mbits/sec
[  5]   4.00-5.00   sec   112 MBytes   937 Mbits/sec
[  5]   5.00-6.00   sec   112 MBytes   941 Mbits/sec
[  5]   6.00-7.00   sec   111 MBytes   933 Mbits/sec
[  5]   7.00-8.00   sec   112 MBytes   939 Mbits/sec
[  5]   8.00-9.00   sec   112 MBytes   936 Mbits/sec
[  5]   9.00-10.00  sec   112 MBytes   941 Mbits/sec
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval           Transfer     Bitrate         Retr
[  5]   0.00-10.00  sec  1.10 GBytes   942 Mbits/sec  605             sender
[  5]   0.00-10.00  sec  1.09 GBytes   939 Mbits/sec                  receiver

iperf Done.

Iperf3-Server (my Laptop,192.168.0.21, reverse mode only):

Accepted connection from 192.168.0.19, port 56418
[  5] local 192.168.0.21 port 5201 connected to 192.168.0.19 port 56420
[ ID] Interval           Transfer     Bandwidth       Retr  Cwnd
[  5]   0.00-1.00   sec   115 MBytes   965 Mbits/sec    0    772 KBytes
[  5]   1.00-2.00   sec   112 MBytes   944 Mbits/sec    0    772 KBytes
[  5]   2.00-3.00   sec   111 MBytes   933 Mbits/sec  157    643 KBytes
[  5]   3.00-4.00   sec   112 MBytes   944 Mbits/sec    0    755 KBytes
[  5]   4.00-5.00   sec   111 MBytes   933 Mbits/sec  141    625 KBytes
[  5]   5.00-6.00   sec   112 MBytes   944 Mbits/sec    0    740 KBytes
[  5]   6.00-7.00   sec   111 MBytes   933 Mbits/sec  307    438 KBytes
[  5]   7.00-8.00   sec   111 MBytes   933 Mbits/sec    0    585 KBytes
[  5]   8.00-9.00   sec   112 MBytes   944 Mbits/sec    0    700 KBytes
[  5]   9.00-10.00  sec   112 MBytes   944 Mbits/sec    0    803 KBytes
[  5]  10.00-10.00  sec  0.00 Bytes  0.00 bits/sec    0    803 KBytes
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval           Transfer     Bandwidth       Retr
[  5]   0.00-10.00  sec  1.10 GBytes   942 Mbits/sec  605             sender
[  5]   0.00-10.00  sec  0.00 Bytes  0.00 bits/sec                  receiver

regards Frank

[1] https://github.com/frank-w/BPI-R2-4.14/tree/5.5-r64-netnext