[Click] Blocking queue element?
Eddie Kohler
kohler at cs.ucla.edu
Thu Sep 23 12:01:24 EDT 2004
John Bicket wrote:
> It would get blocked - linux will buffer a small number of
> packets per socket before blocking it (even if it's not tcp), and this
> will fill up if a device queue is marked as busy. This is why
> you can't really do udp tests at userlevel when using fromhost
> configurations - you end up sending so many packets, and they
> all get dropped when they hit click's queue.
>
> --john
A ha. It sounds like FromHost should reflect Queue length. One more thing to
do (after ToHost is fixed!).
Eddie
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