Subject: Re: NICS with hardware chksum
To: Manuel Bouyer <bouyer@antioche.eu.org>
From: Bill Squier <groo@old-ones.com>
List: netbsd-help
Date: 04/16/2002 16:22:18
On Tue, Apr 16, 2002 at 09:18:31PM +0200, Manuel Bouyer wrote:
> On Tue, Apr 16, 2002 at 02:57:23PM -0400, Matt Herzog wrote:
> > Hi All.
> > 
> > Is there any way to know (aside from studying driver source)
> > which network cards have hardware checksum support in NetBSD?
> > 
> > I'm not C literate but I'm willing to look at the driver source 
> > if I knew what I was looking for. I don't even know where in
> > the tree I will find the files.
> 
> A quick grep (fgrep -l IFCAP_CSUM */*) shows:
> i2o/iopl.c (I2O compliant ethernet adapters)
> ic/elinkxl.c (newer 3c905c only)
> pci/if_sip.c (DP83820 only - I guess it's the gigabit version)
   ^^^
Be careful of this one.  With UDP4/IP4 csums enabled, NFS would not
work.

I've sent a trace to Jason, but can't remember if I filed a PR.  I'll check
and do so if I haven't.

-- 
Bill Squier (groo@old-ones.com)                          http://www.netbsd.org

        I know I don't deserve another chance, but this _is_ America,
        and as an American, aren't I entitled to one?  --Sideshow Bob.