[openib-general] RFC: detecting duplicate MAD requests

[Michael S. Tsirkin]

Quoting r. Hal Rosenstock <halr at voltaire.com>:
> > >>We're kind of left with the same issue of trying to determine if a received
> > >>MAD will generate a response.
> > > 
> > > 
> > > How do you mean? We have IsDS=1 flag for dual-sided, don't we? Dual-sided
> > > transfer always has a response, doesn't it?
> > 
> > Unless I completely missed something, there is no IsDS flag.
> 
> IsDS is an internal state variable and not an on wire part of the
> protocol.

Yes, I know, but user knows IsDS is 1 so why does MAD layer care whether there
will be a response? It's up to the application to switch to the sender flow.

-- 
MST