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Re: [Xen-devel] [libvirt] Setting devid for emulated NICs (Xen 4.3.1 / libvirt 1.2.0) using libxl driver
On Fri, 2013-12-20 at 12:04 +0100, Stefan Bader wrote:
> config specifies no model or model == netfront:
> - nic->model unset, nic->type = NIC_TYPE_VIF
> config specifies any other mode:
> - nic->model = <name>, nic-type = NIC_TYPE_VIF_IOEMU
>
> In libxl__device_nic_setdefault:
> - nic->model unset -> nic->model = "rtl8139"
> - For HWM domain
> - nic->type unset -> nic-type = NIC_TYPE_VIF_IOEMU
OK, I think this is all working as intended.
> I am only "complaining" about the case of having no NIC model set in the
> libvirt
> configuration. This sets NIC_TYPE_VIF but leaves nic->model unset.
> libxl sets the nic->model later but that has no effect because the type is set
> to VIF only.
Correct, the setting of nic->model here is irrelevant since that field
is ignored if the type is not VIF+IOEMU.
> And the default used to be VIF+IOEMU with rtl8139 as model.
Right, this sounds like a libvirt level issue then.
Ian.
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