> Betreff: Re: [E1000-devel] Poor IPsec performance and high ksoftirqd load
> 
> On (02/25/16 18:53), Anna Fischer wrote:
> >
> > I'm running Linux 4.3.3 (Gentoo) and standard igb drivers. I have
> > trouble with the performance of IPSec on my platform. The platform has
> > Intel Ethernet Controller I211 (1GbE) and Intel Atom CPUs (4-core)
> > from the C2000 product family.
> 
> yes, we talked about this at some length at Netdev 1.1:
> 
> http://www.netdevconf.org/1.1/talk-securing-traffic-tunnelled-over-l3-
> sowmini-varadhan.html
> 
> and
> 
> http://www.netdevconf.org/1.1/bof-ipsec-performance-steffen-
> klassert.html
> 
> (slides and other material should be uploaded to the site soon)
> 
> some factors that cause perf deterioration are the loss of segmentation
> offload for ipsec traffic, and the loss of RPS/RFS. We're currently working on
> fixing some of these things..

I figure that IPSec is not performing that well under Linux, but I have another 
platform running Xeon CPUs and HP NICs, and on that platform, using AES-NI 
enabled, I can achieve much higher throughput rates. So I didn't think it is a 
general kernel problem?

Anna


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