Geom_gbde and Hardware Crypto Accelerators

2005-04-05 Thread Dustin Wilhoit
After searching google and the archives I wasn't able to find any 
current information on the status of hardware cryptographic 
accelerators (like the Soekris vpn1401) and gbde.  Can gbde harness the 
power of one of these accelerator cards yet?  If so do they provide 
significant offloading from the processor(s)?  Any comments on the 
Soekris vpn1401 card I've been thinking about?  Thanks in advance.

Dustin Wilhoit
[EMAIL PROTECTED]
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Re: Geom_gbde and Hardware Crypto Accelerators

2005-04-05 Thread Mike Tancsa
On Tue, 5 Apr 2005 16:21:34 -0500, in sentex.lists.freebsd.questions
you wrote:

After searching google and the archives I wasn't able to find any 
current information on the status of hardware cryptographic 
accelerators (like the Soekris vpn1401) and gbde.  Can gbde harness the 
power of one of these accelerator cards yet?  If so do they provide 
significant offloading from the processor(s)?  Any comments on the 
Soekris vpn1401 card I've been thinking about?  Thanks in advance.

Hi,
It wont work.   I know the authorth was thinking about adding
VIA C3/Padlock support, but not sure the details.

---Mike

Mike Tancsa, Sentex communications http://www.sentex.net
Providing Internet Access since 1994
[EMAIL PROTECTED], (http://www.tancsa.com)
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Re: Geom_gbde and Hardware Crypto Accelerators

2005-04-05 Thread Poul-Henning Kamp
In message [EMAIL PROTECTED], Mike Tancsa writes:
On Tue, 5 Apr 2005 16:21:34 -0500, in sentex.lists.freebsd.questions
you wrote:

After searching google and the archives I wasn't able to find any 
current information on the status of hardware cryptographic 
accelerators (like the Soekris vpn1401) and gbde.  Can gbde harness the 
power of one of these accelerator cards yet?  If so do they provide 
significant offloading from the processor(s)?  Any comments on the 
Soekris vpn1401 card I've been thinking about?  Thanks in advance.

Hi,
   It wont work.   I know the authorth was thinking about adding
VIA C3/Padlock support, but not sure the details.

There is partial support for opencrypto/hifn/vpn1401 in the p4
branch phk_gbde, but it doesn't help very much because of the high
setup overhead of the hifn chip.

-- 
Poul-Henning Kamp   | UNIX since Zilog Zeus 3.20
[EMAIL PROTECTED] | TCP/IP since RFC 956
FreeBSD committer   | BSD since 4.3-tahoe
Never attribute to malice what can adequately be explained by incompetence.
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