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SubjectRe: zero-copy TCP
Ingo Molnar wrote:
> i believe such zero-copy send should only be allowed for drivers which can
> guarantee correct checksums.

Hmm, I think this shouldn't be tied too closely to TCP. E.g. you can
probably play wonderful ALF tricks with raw sockets.

For TCP/UDP, such a restriction may be useful, but then it shouldn't
be visible to the application, or route changes on multi-homed systems
with different hardware on those ports would be great fun.

- Werner

/ Werner Almesberger, ICA, EPFL, CH /
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