[ofa-general] RDMA transfers: Buffer status communications?

[Sean Hefty]

>Is my understanding of the mechanisms correct? Since locking and unlocking of
>data receiving buffers is a standard use case in most transport strategies, I
>wanted to ask if there's a more elegant way to manage this using the Infiniband
>architecture? Like for example delaying the sender side work completion till
>the buffer has been processed by the receiver?

Application level acks are needed to indicate when processing is complete.  The
hardware cannot determine this, so I don't know of any solution that's more
elegant in a general case.

- Sean