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 From:  Manuel Kasper <mk at neon1 dot net>
 To:  Justin Ellison <justin at techadvise dot com>
 Cc:  m0n0wall at lists dot m0n0 dot ch
 Subject:  Re: [m0n0wall] New Net4801 Performance Levels w/VPN1211
 Date:  Sun, 18 Jul 2004 21:20:34 +0200
On 18.07.2004 14:10 -0500, Justin Ellison wrote:

> I have no idea why my numbers are so much higher than Manuel's, as
> there really isn't any difference between my setup and his (except
> m0n0wall version).  Manuel, have there been any networking or
> kernel changes since you've run your tests?  For those thinking

No, none that should affect these figures. Maybe it's the same IRQ
sharing problem?

> That sucks.  So I got to tinkering.  I was wondering if the IRQ
> sharing was mucking with things.  Just for lack of anything better
> to do, I brought up sis2 by doing a '/sbin/ifconfig sis2 up' from
> exec.php.  Let's just say the results were encouraging:
> 
> vpn1211 after '/sbin/ifconfig sis2 up'
> --------------------
> 3des-sha1		11.27/11.09
> 
> Can anyone else verify that this works for them?
> 
> If this fixes the issue, are there any reasons why we wouldn't want
> to bring up all interfaces on boot (even if there's no
> configuration)?

Because that would be an ugly workaround. The problem seems to be
known:

<http://www.freebsd.org/cgi/cvsweb.cgi/src/sys/pci/if_sis.c#rev1.93>

I guess I'll just apply that fix to our 4.10 kernel.

- Manuel