[PATCH] Fix byte-swapped ethernet addr for Asante Fast 10/100 PCI Adapter

Geert Uytterhoeven geert at linux-m68k.org
Wed Dec 24 01:01:49 EST 2003

On Tue, 23 Dec 2003, Michael Schmitz wrote:
> > > This is a card with an Open Firmware driver or not ? If it has, then
> > > I'd rather use the OF properties (like name property) to detect this
> > > specific card and flip the MAC
> >
> > Please forgive my ignorance, but how do I tell if the card has an OF
> > driver?  Running "ofpath /dev/eth1" doesn't reveal anything, although
> > looking at the source for "ofpath" shows me that it doesn't handle
> > ethernet devices.  I don't see anything under /proc/device-tree/ that
> > would map to the Asante ethernet card, either.
> If there's nothing under /proc/device-tree/, the card doesn't have an OF
> driver.
> > The card does show up in "lspci" and /proc/pci (obviously).  Would
> > checking for the PCI vendor/device and subvendor/subdevice be
> > equivalent to checking for the OF name property?
> I'm not sure - the card having an OF driver might mean it's a Mac card,
> needing byte swapping, whereas a card with no OF driver would be a PC
> card, needing no byte swap. Or vice versa. Asante probably never built PC
> specific ethernet cards so the PCI vendor/device property could be used
> instead of OF data. OF data is just easier to get at :-)

Really? I'd say it's easier to look at the struct pci_dev the Tulip driver
already looks at. Besides, someone may want to try that card in a non-PowerMac,
while still having the correct MAC address.



Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert at linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
							    -- Linus Torvalds

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