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

[Mike Jakubik]

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.