Asserting ECN from userspace?
Andi Kleen
andi at firstfloor.org
Thu Oct 6 19:52:05 EDT 2011
David Täht <dave.taht at gmail.com> writes:
>
> And twiddling them, on a per stream basis, for a single packet, would
> seem to require something more robust than setsockopt/getsockopt
> (although that would work for udp streams)
With netfilter nf_queue you can construct a rule that passes packets
through user space and reinjects them.
I would suggest to just use that to modify the ECN bits.
I'm sure with reasonable google skills you can find some examples
how to do this on the web.
-Andi
--
ak at linux.intel.com -- Speaking for myself only
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