Re: [Ocf-linux-users] SafeXcel 1141

[David M. <Dav...@se...>]

Jivin Nawang Chhetan lays it down ...
> Hi David,
>           I'll really appreciate if you please tell me whether I am
> committing an elementry mistake here ? If so I'll re-investigate my
> findings.

So for being a bit slow,  I've been a little snowed under for the last 3
weeks.

> On 9/11/07, Nawang Chhetan <naw...@gm...> wrote:
> > Hi David,
> >             Thanks for a prompt reply. I ran the cryptotest program
> > and attached are the results. My observations is that when I run:
> >
> > ./cryptotest i.e small number of packets everything is fine. See
> > cryptotest-1.txt

> >
> > while with
> >
> > ./cryptotest -z i.e. large number of packets.There is a kernal paging error.
> >
> > and Yes error 22 is EINVAL( I forgot to mention).
> > Running openssl ( as suggested in benchmark page ) didn't do any ocf
> > acceleration.  I am using openssl version 0.9.8e (I applied the patch
> > provided by you with the distribution)
> > We need to mention "-engine cryptodev" , but how do we specify the
> > device i.e safe,hifn,cryptosoft etc.

I do that by only loading the driver I wish to test and unloading the
others ;-)

> > I am using kernel version 2.6.16.1 with kernel pre-emption on.

I think I have mentioned this before,  but I have not done any testing
with preemption enabled.  Try with it off just to eliminate that option.

>From the crash it seems like a corruption or timing/alloc/free bug,  so
the preemption is a candidate.  Try it and see :-)

Cheers,
Davidm

> > On 9/11/07, David McCullough <Dav...@se...> wrote:
> > >
> > > Jivin Nawang Chhetan lays it down ...
> > > > Hi David,
> > > >                I just tried the simple ocf-bench test program with
> > > > SafeXcel 1141 card. But all the operations fail.
> > > > I am attaching a tar ball which contains following three files:
> > > > 1. lsmod.txt
> > > > 2. lspci.txt
> > > > 3. ocfbench-dmesg.txt
> > > > with respective details.
> > > >
> > > > Please have a look at them.
> > >
> > > It is possible that ocf-bench is not calling into OCF with parameters
> > > that will work with the safenet.  Pretty sure the error 22 will be an
> > > EINVAL.  Check your errno.h
> > >
> > > Try running cryptotest from user space or "openssl speed" as they are
> > > safe.  If that works I'll look at what could be wrong with ocf-bench.
> > > Examples of running the apps are on:
> > >
> > >         http://ocf-linux.sourceforge.net/benchmarks.html
> > >
> > > Cheers,
> > > Davidm
> > >
> > > > On 9/5/07, David McCullough <Dav...@se...> wrote:
> > > > >
> > > > > Jivin Nawang Chhetan lays it down ...
> > > > > > Hi David,
> > > > > >                I am trying to run "bench-ocf" with safe.ko . I dont
> > > > > > see any debug messages( I insert the modules with debug messages
> > > > > > enabled).  Seems even though open-ssl does all the stuff mentioned in
> > > > > > the script "bench-ocf", 1141 card is not used. Can you give me some
> > > > > > directions here ?
> > > > >
> > > > > Send me the output of:
> > > > >
> > > > >         lsmod
> > > > >
> > > > > If you want to be sure only the safenet driver is used,  make sure that
> > > > > you do not load cryptosoft or any other crypto driver.  Just load:
> > > > >
> > > > >         ocf
> > > > >         safe
> > > > >         cryptodev
> > > > >
> > > > > Cheers,
> > > > > Davidm
> > > > >
> > > > > > On 9/5/07, David McCullough <Dav...@se...> wrote:
> > > > > > >
> > > > > > > Jivin Nawang Chhetan lays it down ...
> > > > > > > > Hi David,
> > > > > > > >                I was testing OCF with SafeXcel 1141 card. Just wanted
> > > > > > > > to know which version of the 1141 card you tested OCF with i.e. REV1
> > > > > > > > or REV1.1.
> > > > > > >
> > > > > > > I think I have used both as I had to work around a bug in version1 IIRC.
> > > > > > > I have also used the 1741.
> > > > > > >
> > > > > > > Note that none of these were cards,  but PCI chips on an embedded board,
> > > > > > > but they look like cards ;-)
> > > > > > >
> > > > > > > Cheers,
> > > > > > > Davidm
> > > > > > >
> > > > > > > --
> > > > > > > David McCullough,  dav...@se...,   Ph:+61 734352815
> > > > > > > Secure Computing - SnapGear  http://www.uCdot.org http://www.cyberguard.com
> > > > > > >
> > > > > >
> > > > > >
> > > > > > --
> > > > > > Nawang Chhetan
> > > > > > Software Engineer
> > > > > > SafeNet India.
> > > > > >
> > > > >
> > > > > --
> > > > > David McCullough,  dav...@se...,   Ph:+61 734352815
> > > > > Secure Computing - SnapGear  http://www.uCdot.org http://www.cyberguard.com
> > > > >
> > >
> > >
> > >
> > > --
> > > David McCullough,  dav...@se...,   Ph:+61 734352815
> > > Secure Computing - SnapGear  http://www.uCdot.org http://www.cyberguard.com
> > >
> >
> >
> 

-- 
David McCullough,  dav...@se...,   Ph:+61 734352815
Secure Computing - SnapGear  http://www.uCdot.org http://www.cyberguard.com