SOLVED: Degraded TCP performace on Intel PRO/1000

[Marian Durkovic]

Hi,

On Wed, May 11, 2005 at 06:38:48PM -0400, Mike Jakubik wrote:
> Any luck submitting the patch for this?

Yes, it's kern/80932

> I looked at Intels website, and the latest drive for FreeBSD 4.7 is 1.7.35.

1.7.41 could be found at:

http://downloadfinder.intel.com/scripts-df-external/filter_results.aspx?strTypes=all&ProductID=1068&OSFullName=FreeBSD*&lang=eng&strOSs=52&submit=Go%21

> 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.


	With kind regards,

		M.