Re: [Qemu-devel] Re: Release plan for 0.12.0

[Sridhar Samudrala <sri@us.ibm.com>]

On Wed, 2009-10-14 at 17:50 +0200, Michael S. Tsirkin wrote:
> On Wed, Oct 14, 2009 at 04:19:17PM +0100, Jamie Lokier wrote:
> > Michael S. Tsirkin wrote:
> > > On Wed, Oct 14, 2009 at 09:17:15AM -0500, Anthony Liguori wrote:
> > > > Michael S. Tsirkin wrote:
> > > >> Looks like Or has abandoned it.  I have an updated version which works
> > > >> with new APIs, etc.  Let me post it and we'll go from there.
> > > >>
> > > >>   
> > > >>> I'm generally inclined to oppose the functionality as I don't think 
> > > >>> it  offers any advantages over the existing backends.
> > > >>>     
> > > >>
> > > >> I patch it in and use it all the time.  It's much easier to setup
> > > >> on a random machine than a bridged config.
> > > >>   
> > > >
> > > > Having two things that do the same thing is just going to lead to user  
> > > > confusion.
> > > 
> > > They do not do the same thing. With raw socket you can use windows
> > > update without a bridge in the host, with tap you can't.
> > 
> > On the other hand, with raw socket, guest Windows can't access files
> > on the host's Samba share can it?  So it's not that useful even for
> > Windows guests.
> 
> I guess this depends on whether you use the same host for samba :)
> 
> > > > If the problem is tap is too hard to setup, we should try to  
> > > > simplify tap configuration.
> > > 
> > > The problem is bridge is too hard to setup.
> > > Simplifying that is a good idea, but outside the scope
> > > of the qemu project.
> > 
> > I venture it's important enough for qemu that it's worth working on
> > that.  Something that looks like the raw socket but behaves like an
> > automatically instantiated bridge attached to the bound interface
> > would be a useful interface.
> 
> I agree, that would be good to have.

Can't we bind the raw socket to the tap interface instead of the
physical interface and allow the bridge config to work.

Thanks
Sridhar


> 
> > I don't have much time, but I'll help anybody who wants to do that.
> > 
> > -- Jamie
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