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Re: [libvirt] [PATCH 08/14] Store the interface vlan number in the domain state



On Mon, 2009-07-20 at 17:26 +0100, Daniel P. Berrange wrote:
> On Mon, Jul 20, 2009 at 12:51:18PM +0100, Mark McLoughlin wrote:
> > Currently, an interface's vlan number corresponds to its index in
> > the table of network interfaces. That is no longer true when we
> > allow devices to be removed.
> > 
> > To fix this, we store the vlan number in the domain's state XML
> > so that it survives libvirtd restarts.
> > 
> > * src/domain_conf.h: add vlan number to virDomainNetDef
> > 
> > * src/domain_conf.c: store it in XML as <state vlan='N'/>, defaulting
> >   to -1 if this is state saved by a previous version of libvirt
> > 
> > * src/qemu_conf.c: assign vlan numbers before starting qemu
> 
> Am I right in thinking we only need to preserve this info so that
> we can figure out the next free VLAN number for hot-plug ?

Nope, it's very lamely needed for the the "host_net_remove" monitor
command even thought the net client names are global

Cheers,
Mark.


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