Re: rdma_rxe usage problem

[Yanjun Zhu <yanjun.zhu@linux.dev>]

在 2022/1/19 19:42, Alexander Kalentyev 写道:
> I am trying to install and use soft RoCE for development purposes
> (right now on a localhost).
> I installed rdma-core on a MANJARO system from AUR.
> Then I did:
> 
> sudo modprobe rdma_rxe
> sudo rdma link add rxe0 type rxe netdev wlp60s0
> 
> then ibstat shows:
> CA 'rxe0'
>          CA type:
>          Number of ports: 1
>          Firmware version:
>          Hardware version:
>          Node GUID: 0x4a51c5fffef6e159
>          System image GUID: 0x4a51c5fffef6e159
>          Port 1:
>                  State: Active
>                  Physical state: LinkUp
>                  Rate: 2.5
>                  Base lid: 0
>                  LMC: 0
>                  SM lid: 0
>                  Capability mask: 0x00010000
>                  Port GUID: 0x4a51c5fffef6e159
>                  Link layer: Ethernet

Can rping work after you configured this test environment?

Zhu Yanjun

> 
> But launching any example I always get an error by call of: ibv_modify_qp
> with an attempt to modify QP state to RTR (for example by launching
> .ibv_rc_pingpong)
> The type of the error is EINVAL.
> I believe I miss something very obvious.