blocked when use tcp to connect rdma server

[mokdeve]

Hi team,

Normally, client & server use rdma connection working as well.

Abnormally, when client use tcp to connect the rdma server, the thread of rdma server side blocked.

Is there any options to reject the connection instead of blocked the thread,any idea?

[PepperJo]

Are you using iWARP RDMA NICs? Or what is the setup

[mokdeve]

roce-v1, just a testing what happen when use tcp to connect rdma's port.

[PepperJo]

RoCE v1 does not use IP/UDP, so there is no Port you can connect to via TCP. RoCE v2 has a fixed port for all connections, however I'm not sure what exactly happens on the hardware when you try to connect to it via TCP.