Outgoing speed problems in -CURRENT (was: Re: SOLVED: DegradedTCP performace on Intel PRO/1000)

[Andre Oppermann]

Mike Jakubik wrote:
> 
> On Thu, May 12, 2005 3:27 am, Marian Durkovic said:
> 
> >> Seems like i am getting half the performance when sending to the fbsd
> >> box. Also, enabling jumbo frames does not help, and sometimes even
> >> yields slightly slower results.
> >
> > Yes, that's exactly the problem my patch is addressing - for larger MTU
> > sizes the TX FIFO is simply too small.
> >
> > And the new Intel's driver ver. 2.1.7 for FreeBSD 5.3 has the same bugs.
> 
> I just tried your patch, but unfortunately it does not seem to affect my
> problem, the speeds are identical. I am still getting half the performance
> when sending out. The fact that this also occurs using another machine and
> a different card, leads me to belive something is broken in -CURRENT.

net.inet.tcp.sendspace=65536  and try again.

-- 
Andre