On 20/02/15 21:05, Skidmore, Donald C wrote:
> If a vender specific interface is objectionable maybe a simpler and more
> generic interface would be for the PF to be able to set a given VF into
> "trusted" mode... I admit exactly what 'trusted' meant would vary from vender
> to vender, but it would be a way for the driver to know it could allow
> configurations such as this. Just an idea, since we seem to be getting more
> requests for things such as this.
That's an even worse idea; now you have a generic interface with
completely undefined semantics.
The right way to do this, imho, is to use one of the standard interfaces
for driver-specific gubbins - e.g. sysfs, genetlink or even (whisper it)
ioctls - and put your 'VF promisc mode' setting there. That way you
have a vendor-specific interface with vendor-specified semantics.
Of those options, I'd recommend sysfs as the best fit.
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