ubsec(4) and AES
Sam Leffler
sam at errno.com
Tue Jan 15 10:06:14 PST 2008
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.
Sam
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