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Subject: Re: it's the output, not ack coalescing (Re: TSO and FreeBSD vs Linux)
From: Adrian Chadd <adrian@freebsd.org>
To: Jim Thompson <jim@netgate.com>
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Cc: Barney Cordoba <barney_cordoba@yahoo.com>, FreeBSD Net <net@freebsd.org>,
 Luigi Rizzo <rizzo@iet.unipi.it>, Lawrence Stewart <lstewart@freebsd.org>
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Right. Well, post some profiling data, let's figure this out sometime.

Luigi can do bridging with 2 cores using netmap. So it's technically
possible. There's just a lot of kernel gunk in the way of doing it ye olde
way.



-adrian


On 18 August 2013 07:25, Jim Thompson <jim@netgate.com> wrote:

>
> On Aug 18, 2013, at 8:48 AM, Barney Cordoba <barney_cordoba@yahoo.com>
> wrote:
>
> > I could fill a tx queue with 10gb of traffic with  yesteryear's cpus.
> It's not an achievement. Being able to bridge
> > real traffic at 10gb/s with 2 cores is
>
> Or forward at layer 3.
>
> Or filter packets.
>
> Or IPSEC.
>
> Or...