Re: [net-next PATCH v7] net: dummy: Introduce dummy virtual functions

[David Miller <davem@davemloft.net>]

From: Phil Sutter <phil@nwl.cc>
Date: Mon, 23 Jan 2017 12:17:33 +0100

> The idea for this was born when testing VF support in iproute2 which was
> impeded by hardware requirements. In fact, not every VF-capable hardware
> driver implements all netdev ops, so testing the interface is still hard
> to do even with a well-sorted hardware shelf.
> 
> To overcome this and allow for testing the user-kernel interface, this
> patch allows to turn dummy into a PF with a configurable amount of VFs.
> 
> Since my patch series 'bus-agnostic-num-vf' has been accepted,
> implementing the required interfaces is pretty straightforward: Iff
> 'num_vfs' module parameter was given a value >0, a dummy bus type is
> being registered which implements the 'num_vf()' callback. Additionally,
> a dummy parent device common to all dummy devices is registered which
> sits on the above dummy bus.
> 
> Joint work with Sabrina Dubroca.
> 
> Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
> Signed-off-by: Phil Sutter <phil@nwl.cc>

Yeah this looks awesome, applied, thanks!