[ewg] Re: [ofa-general] Feedback on Developer's Summit

Roland Dreier rdreier at cisco.com
Mon Nov 5 13:51:58 PST 2007


 > As I said earlier on this thread,  the open issues I see with the stateless
 > offload series are (A) the non interoperable checksum offload patch based on
 > the IB ICRC sent by Michael (and if it is inter-operable, I'd like to be
 > educated how) (B) LRO - a pure SW optimization, why it need to be in the
 > ipoib driver and not at least shared with the network stack code above
 > ipoib.

For (A): as far as I'm concerned, turning off TCP/IP checksums is not
something we want to do in IPoIB.  Is there anyone arguing in favor of
it at this point?

For (B): the LRO implementation posted is exactly using the generic
network stack software LRO helpers!

 - R.



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