[Libvir] PATCH: Set mac address on TUN device to fix Xenner

[Daniel Veillard]

On Wed, Feb 27, 2008 at 09:36:56PM +0000, Daniel P. Berrange wrote:
> 
> The QEMU driver pre-allocates a TAP device and connects it to a bridge
> when using virtual networking. The FD associated with the tap device is
> then passed to QEMU.
> 
> When running Xen guests, Xenner needs to turn this FD back into a TUN
> device name. It does this by querying the hardware address of each NIC
> and looking for the one which matches that it expects - ie its TUN device.
> This obviously requires that the TUN device be configured with a MAC
> address though. libvirt does not currently do this. This patch fixes this
> and thus makes Xenner work from the QEMU driver when using virtual 
> networking

  needed and looks clean to me, +1

Daniel

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