Messages in this thread | | | Date | Mon, 25 Sep 2006 18:56:48 -0400 | From | Brice Goglin <> | Subject | Re: Question regarding CONFIG_DMA_ENGINE |
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Holger Kiehl wrote: > Hello > > Is setting this option and CONFIG_NET_DMA usefull even when you do not > have > the hardware? > > And what hardware is required for this? Is this DMA engine located on > the network or raid card, or is this something in the chipset? Which > chipset or cards do have such an engine? > > Thanks, > Holger
I guess the option is completely useless without such hardware.
For now, you need a Intel E5000 chipset (Blackford and co.). It exports a special PCI device (id 8086:1a38) for DMA. No other device is supported so far, but some Raid stuff have been proposed recently IIRC.
Brice
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