Re: ixg(4) performances

[David Young <dyoung%pobox.com@localhost>]

On Wed, Jul 09, 2014 at 06:36:59AM +0000, Emmanuel Dreyfus wrote:
> ifconfig does not want tcp4csum-rx and udp4csum-rx despite advertising 
> them as available.

In the hardware, you cannot independently enable layer-4 Rx checksums
for TCP or UDP, IPv4 or IPv6.  It's all or nothing.  So that you cannot
set the flags to a different state than the hardware, SIOCSIFCAP returns
EINVAL when you make an unsupported selection.

Try 'ifconfig ixg0 tcp4csum-rx tcp6csum-rx udp4csum-rx udp6csum-tx',
that should work.

Dave

-- 
David Young
dyoung%pobox.com@localhost    Urbana, IL    (217) 721-9981