RFC: issues concerning the next NAPI interface

Jan-Bernd Themann ossthema at de.ibm.com
Wed Aug 29 18:31:30 EST 2007


On Wednesday 29 August 2007 10:29, David Miller wrote:
> From: Jan-Bernd Themann <ossthema at de.ibm.com>
> Date: Wed, 29 Aug 2007 09:10:15 +0200
> 
> > In the end I want to reduce the CPU utilization. And one way
> > to do that is LRO which also works only well if there are more
> > then just a very few packets to aggregate. So at least our
> > driver (eHEA) would benefit from a mix of timer based polling
> > and plain NAPI (depending on load situations).
> > 
> > If there is no need for a generic mechanism for this kind of
> > network adapters, then we can just leave this to each device
> > driver.
> 
> No objections from me either way, if something works then
> fine.
> 
> Let's come back to this once you have a tested sample implementation
> that does what you want, ok?

Sounds good



More information about the Linuxppc-dev mailing list