My PCIe disk controller works with Linux 5.3.6

[guannais]

I had problems with TCP conections from the Rockpro64 box with TVheadend to other computers with Kodi. Sometimes, the connection just stalled with a dumb conversation between peers like this:

PC: I confirm byte 12000 received (send me more).
Rockpro64: Take bytes 12001-15000.
PC: ...
Rockpro64: Take bytes 15001-18000.
PC: I confirm byte 12000 received (send me more).
Rockpro64:   

Perhaps the ethernet driver in Linux 5.3 is buggy and miscrafts some frames. I fixed it by disabling TCP checksum offload:

# ethtool -K eth0 tx off