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Date:      Tue, 15 Jan 2008 19:19:40 +0100
From:      Gergely CZUCZY <phoemix@harmless.hu>
To:        Sam Leffler <sam@errno.com>
Cc:        freebsd-hardware@freebsd.org
Subject:   Re: ubsec(4) and AES
Message-ID:  <20080115181940.GA75386@harmless.hu>
In-Reply-To: <478CF8BB.3070601@errno.com>
References:  <20080115093913.GA72710@harmless.hu> <478CEF78.3020808@errno.com> <20080115174452.GA70243@harmless.hu> <478CF8BB.3070601@errno.com>

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On Tue, Jan 15, 2008 at 10:17:31AM -0800, Sam Leffler wrote:
> Gergely CZUCZY wrote:
> >On Tue, Jan 15, 2008 at 09:38:00AM -0800, Sam Leffler wrote:
> > =20
> >>Gergely CZUCZY wrote:
> >>   =20
> >>>Good morning,
> >>>
> >>>I'd like to ask whether there was any updates, news, anything
> >>>about the Broadcom cryptoaccelerators' AES support in the recent
> >>>past. ubsec(4)[1] tells at the BUGS section, that it's awaiting
> >>>some information from broadcom. It would be nice to have AES
> >>>support for these cards, since the hifn(4) ones don't provide
> >>>as much performance as the broadcom ones, according to the
> >>>utilities in the source tree, google, and the vendors themselves.
> >>>
> >>>[1] http://www.freebsd.org/cgi/man.cgi?query=3Dubsec
> >>>      =20
> >>Broadcom never gave me the ok to add the AES support; will ask again.
> >>
> >>As to performance I believe hifn 7956 parts were on a par w/ the 5823 b=
ut it's been a long time.  The main issue isn't the speed of=20
> >>the crypto part but the bus+dma glue.
> >>   =20
> >And also stability. I've experience system crashing with the soekris vpn=
1401. It was
> >kinda strange. Existing things worked (like an opened ssh connect, the b=
ox is a gateway),
> >but I couldn't even fork() new processes, use apache, open new ssh conne=
ctions to the
> >box, anything. And the interrupt load was also a bit too high. Anyways, =
it's a different
> >issue.
> > =20
>=20
> Hifn contributed many driver fixes for the 795x parts but some are not ye=
t in cvs.  However I recently tested a Hifn reference 7956=20
> card w/ HEAD and couldn't make it fail as it used to.  I've requested hel=
p getting all the hifn changes into the tree but gotten no=20
> responses.
It didn't fail. It made the system hang :)
For testing proposes, I've unplugged the card for a few days, and now the s=
ystem
seems to be running without any issues.
Question, where did you get the 7956-based card? Soekris' version is not
yet ready.

Sincerely,

Gergely Czuczy
mailto: gergely.czuczy@harmless.hu

--=20
Weenies test. Geniuses solve problems that arise.

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