Changes in the network interface queueing handoff model
gallatin at cs.duke.edu
Tue Aug 1 13:37:24 UTC 2006
Robert Watson writes:
> Jack Vogel at Intel has previously talked about having TSO patches for FreeBSD
> to use with if_em, but was running into stability/correctness problems on 7.x.
> I e-mailed him a few minutes ago to ask to take a look at the patches. Since
> I've not yet seen them, I don't know the details of how they work -- I assume
> that some amount of tweaking is required not just to TCP so that it passes
> down larger segments, but so that larger segments are used in the right ways,
> and in keeping with the facilities offered by the underlying interface,
> especially before a routing decision has been made.
I'm not sure about what stack changes are required for TSO.
I do know that NetBSD has had TSO for roughly 2 years, so they
might be a good place to look..
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