[openib-general] Re: Mellanox HCAs: outstanding RDMAs

[Talpey, Thomas]

At 08:44 AM 6/6/2006, Michael S. Tsirkin wrote:
>> MST, are you disagreeing that RDMA Reads can stall the queue?
>
>I don't disagree with this of course. I was simply suggesting to ULP designers
>to read the chapter 9.5 and become aware of the rules, taking them
>into account at early stages of protocol design.

:-) RTFM?

I still think flow control is wrong and dangerous thing for RDMA Read.
If it never happened, and the connections just failed, we'd never have
the issue. Also, I'm certain we'll see upper layers that work on one
provider, only to fail on another. Sigh.

Tom.