[openib-general] RFC: detecting duplicate MAD requests

[Hal Rosenstock]

On Mon, 2006-06-12 at 18:22, Sean Hefty wrote:
> Sean Hefty wrote:
> > 4. Modify umad to learn which requests generate responses, by examining response 
> > MADs.  When a response is sent, umad would mark which method the response is for 
> > by flipping the R-bit.  Based on the algorithm, this could result in losing 
> > responses the first time that a request is seen.  Some additional hard-coding 
> > would be needed for a Set, since a Set request generates GetResp MADs.
> 
> This brings up a concern.  There doesn't seem to be a limit to the number of 
> received MADs that can be queued for a user.  Should we have such a limit?

How are MADs counted ? Is a multisegment MAD 1 MAD or multiple MADs ? If
the latter, it seems problematic to limit this as the response to a get
response might be very large.

-- Hal

> 
> - Sean
> 
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