ubsec(4) and AES
Gergely CZUCZY
phoemix at harmless.hu
Tue Jan 15 10:19:48 PST 2008
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:
> >
> >>Gergely CZUCZY wrote:
> >>
> >>>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=ubsec
> >>>
> >>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 but it's been a long time. The main issue isn't the speed of
> >>the crypto part but the bus+dma glue.
> >>
> >And also stability. I've experience system crashing with the soekris vpn1401. It was
> >kinda strange. Existing things worked (like an opened ssh connect, the box is a gateway),
> >but I couldn't even fork() new processes, use apache, open new ssh connections to the
> >box, anything. And the interrupt load was also a bit too high. Anyways, it's a different
> >issue.
> >
>
> Hifn contributed many driver fixes for the 795x parts but some are not yet in cvs. However I recently tested a Hifn reference 7956
> card w/ HEAD and couldn't make it fail as it used to. I've requested help getting all the hifn changes into the tree but gotten no
> 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 system
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 at harmless.hu
--
Weenies test. Geniuses solve problems that arise.
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