e1000 and ICH9 hardware

e1000 and ICH9 hardware

[Daniel Drake]

Hi,

Are there any plans to add ICH9 support to the e1000 driver (I note 
there is a patch floating around), or is the intention that ICH9 users 
all move to e1000e?

Just wondering which approach to take in terms of getting this hardware 
supported in Gentoo's 2.6.23 kernels.

Thanks!
Daniel

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Re: e1000 and ICH9 hardware

[Jeff Garzik]

Daniel Drake wrote:
> Are there any plans to add ICH9 support to the e1000 driver (I note 
> there is a patch floating around), or is the intention that ICH9 users 
> all move to e1000e?

They all should use e1000e.

Further, in 2.6.25 or so, some e1000 PCI IDs will be moved to e1000e, 
and support removed in e1000.

e1000 is being frozen in time as "pre-PCI Express e1000's".

	Jeff

Re: e1000 and ICH9 hardware

[David A. Ranch]

> >e1000 is being frozen in time as "pre-PCI Express e1000's".
>   
Asking the question a different way, will the current e1000 driver 
continue to get new features, performance / power / optimization tweaks, 
etc. or is most of the primary development be moving only on the e1000e kit?

--David


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Re: e1000 and ICH9 hardware

[Kok, Auke]

David A. Ranch wrote:
>>> e1000 is being frozen in time as "pre-PCI Express e1000's".
>>   
> Asking the question a different way, will the current e1000 driver 
> continue to get new features, performance / power / optimization tweaks, 
> etc. or is most of the primary development be moving only on the e1000e kit?

the ultimate goal is to move all the pci-express hardware support over to e1000e.

since the pci/pci-x generation e1000 chipsets do not have nearly the amount of
features that the pci-e silicon has, you can expect the e1000 driver to be
significantly stripped down.

We do however want to keep any feature that is supported for the pci/pci-x
hardware in e1000 active. we will not disable TSO for instance. As for other
features we will decide whatever makes best sense for the hardware. (e.g. none of
the 8254x chipsets support multiple queues).

All of the primary development of features will focus on e1000e.

Auke

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