[ofa-general] RDS flow control

[Tziporet Koren]

Roland Dreier wrote:
>  > Is there a way of changing the RNR retry count back to 0 after establishing
>  > the connection?
>
> Yes... quite complicated but possible.  Basically you have to transition
> to the QP to the "send queue drained" (SQD) state, change the rnr retry
> value in an SQD->SQD transition and then transition back to RTS.  Not
> sure if anyone has ever tested that whole operation, so it may or may
> not actually work without driver/fw fixes required.
>
>
>   
SQD is not implemented in ConnectX for now

Tziporet