Date: Tue, 15 Jan 2008 10:17:31 -0800 From: Sam Leffler <sam@errno.com> To: Gergely CZUCZY <phoemix@harmless.hu> Cc: freebsd-hardware@freebsd.org Subject: Re: ubsec(4) and AES Message-ID: <478CF8BB.3070601@errno.com> In-Reply-To: <20080115174452.GA70243@harmless.hu> References: <20080115093913.GA72710@harmless.hu> <478CEF78.3020808@errno.com> <20080115174452.GA70243@harmless.hu>
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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. > Silicom has drivers for both windows and linux, and they support AES. I wasn't able to > download the driver (got an empty page), so I don't know whether its opensource or not. > Sam
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