Messages in this thread | | | Date | Fri, 22 Jun 2001 01:58:37 -0400 | From | Jeff Garzik <> | Subject | Re: PATCH: ethtool MII helpers |
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Chris Wedgwood wrote: > > On Fri, Jun 22, 2001 at 01:24:36AM -0400, Jeff Garzik wrote: > > Sure, and that's planned. Wanna send me a patch for it? :) > > Possibly, but I wonder if this is a kernel-space problem or not. Why > not put all the smarts into userland for it?
I meant, send me a patch for userland ethtool, to do exactly what you described.
> It will definitely fall back on the MII ioctls if ethtool media > support for the desired command doesn't exist. > > Well, that is more or less as much as needs to be done. That, and > some kind of super-set API to be defined for all new stuff, having > two slightly different APIs for the same things sucks.
Both APIs do different things but have a common subset, yes.
The MII ioctls only do their thing for MII-like hardware. ethtool can be applied to any hardware. Old ISA drivers that don't do MII, or do it in a really nonstandard way. For example I have ethtool code locally which allows ne2k-pci to do media selection via ioctl, for two popular ne2k cards, something its never been able to do before. Emulating media selection support for things like 10base2<->10baseT<->AUI just isn't possible with the MII ioctls.
MII is a standard and incredibly popular, thus mii-tool works most popular PCI NICs, for the most popular media types. But it's still basically a hardware interface. I am not convinced its a good idea for make the [G]MII ioctls the Linux software media interface for all network hardware.
I see ethtool as the interface for tuning your NIC, that works across all hardware. I see mii-diag as the way to do advance MII-specific hardware stuff, like next page or HA monitoring or whatever.
Jeff
-- Jeff Garzik | Andre the Giant has a posse. Building 1024 | MandrakeSoft | - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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