Re: [EXPERIMENTAL v1 0/4] RDMA loopback device

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On Mon, Mar 04, 2019 at 08:10:05AM -0800, Bart Van Assche wrote:
> On Mon, 2019-03-04 at 09:56 +0200, Yuval Shaia wrote:
> > Suggestion: To enhance 'loopback' performances, can you consider using
> > shared memory or any other IPC instead of going thought the network stack?
> 
> I'd like to avoid having to implement yet another initiator block driver. Using
> IPC implies writing a new block driver and also coming up with a new block-over-
> IPC protocol. Using RDMA has the advantage that the existing NVMeOF initator
> block driver and protocol can be used.
> 
> Bart.

No, no, i didn't mean to implement new driver, just that the xmit of the
packet would be by use of memcpy instead of going through TP stack. This
would make the data exchange extremely fast when the traffic is between two
entities on the same host.

Yuval



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