Re: [PATCH v3 03/13] Attach/detach SoftiWarp to/from network and RDMA subsystem

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On Tue, Jan 23, 2018 at 11:42:20AM -0600, Steve Wise wrote:

> Since the iwarp protocols run on top of TCP/IP, there is always the case
> that some middle box resegments tcp segments differently, so a good iwarp HW
> implementation should deal with funny alignments, partial iWARP PDUs
> arriving, etc.   But the RFCs, as I read them, want implementations to try
> "really hard" to avoid spanning an iWARP PDU across many TCP segments.  And
> I think siw should do the same, by default.

But Bernard just said siw doesn't interoperate in certain cases
because of this - so that sounds like more than 'try really hard' ??

Or is that an overstatement and it just makes the rx side slower if
segmentation is not optimal?

Jason
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