intel 82576 ipsec offload?

[Pyun YongHyeon]

On Fri, Oct 09, 2009 at 11:17:00AM -0700, Jack Vogel wrote:
> I am Jack, the network engineer at Intel responsible for all FreeBSD wired
> lan drivers.
> This is the first I've seen about this. Our understanding was that the
> infrastructure needed
> to do IPSec was not available for either Linux or FreeBSD, can you please
> explain things?
> 

I guess we already have crypto(9) infrastructure to support IPSec
in kernel. CCed to sam who may know what is required to implement
IPSec offloading in ethernet driver.

> If everything is there except the support in the driver then I might be able
> to add that to
> my queue.
> 
> Cheers,
> 
> Jack
> 
> 
> On Thu, Oct 8, 2009 at 9:14 PM, Siquijor Philips
> <siquijorphilips at gmail.com>wrote:
> 
> > On Fri, Oct 9, 2009 at 1:45 AM, Pyun YongHyeon <pyunyh at gmail.com> wrote:
> > > On Thu, Oct 08, 2009 at 01:24:20PM +0800, Siquijor Philips wrote:
> > >> Hi,
> > >>
> > >> I got a dual-port Intel Gigabit NIC with 82576 (ET) chipset
> > >> http://www.intel.com/Assets/PDF/prodbrief/320116.pdf. It has a feature
> > >> on IPsec offloading but it only mentioned Microsoft Windows 2008 and
> > >> Vista servers. I wonder if FreeBSD have also support on this feature?
> > >>
> > >
> > > AFAIK it's not yet, not sure whether Jack has plan to implement the
> > > offloading. I know old Intel i82550 also supported IPSec offloading
> > > but Intel didn't release required information to implement it. 3Com
> > > also supported IPSec offloading in their 3XP hardwares(txp(4)) but
> > > the offloading was not implemented.
> > >
> >
> > Hi Pyun,
> >
> > Thanks for your info! By the way, who is Jack? Is he the author of
> > this driver? I really need to have this feature usable on the driver.
> > I bought these NICs with 82576 chipset for the purpose of implementing
> > IPsec in my network and my current FreeBSD servers could benefit it.
> > Just really thought it has support because FreeBSD was already part of
> > the supported operating system. I was alerted when I've re-read the
> > product info document again that it only support Windows 2008 and
> > Vista platforms. Now, I've confirmed that with the current existing
> > driver. I hope this guy has the plan of implementing it sooner because
> > I really need it.
> >
> > Thanks,
> > Siquijor