From: Matthias Tafelmeier <matthias.tafelme...@gmx.net>
Date: Thu, 29 Dec 2016 21:37:21 +0100

> Oftenly, introducing side effects on packet processing on the other half
> of the stack by adjusting one of TX/RX via sysctl is not desirable.
> There are cases of demand for asymmetric, orthogonal configurability.
> 
> This holds true especially for nodes where RPS for RFS usage on top is
> configured and therefore use the 'old dev_weight'. This is quite a
> common base configuration setup nowadays, even with NICs of superior 
> processing
> support (e.g. aRFS).
> 
> A good example use case are nodes acting as noSQL data bases with a
> large number of tiny requests and rather fewer but large packets as responses.
> It's affordable to have large budget and rx dev_weights for the
> requests. But as a side effect having this large a number on TX
> processed in one run can overwhelm drivers.
> 
> This patch therefore introduces an independent configurability via sysctl to
> userland.
> 
> Signed-off-by: Matthias Tafelmeier <matthias.tafelme...@gmx.net>

Much better, applied, thanks.

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