Re: vhost-net todo list

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On Wed, Sep 16, 2009 at 04:52:40PM +0200, Arnd Bergmann wrote:
> On Wednesday 16 September 2009, Michael S. Tsirkin wrote:
> > vhost-net driver projects
> 
> I still think that list should include

Yea, why not. Go wild.

> - UDP multicast socket support
> - TCP socket support

Switch to UDP unicast while we are at it?
tunneling raw packets over TCP looks wrong.

> - raw packet socket support for qemu (from Or Gerlitz)
> if we have those, plus the tap support that is already on
> your list, we can use vhost-net as a generic offload
> for the host networking in qemu.
> 
> > projects involing networking stack
> > - export socket from tap so vhost can use it - working on it now
> > - extend raw sockets to support GSO/checksum offloading,
> >   and teach vhost to use that capability
> >   [one way to do this: virtio net header support]
> >   will allow working with e.g. macvlan
> 
> One thing I'm planning to work on is bridge support in macvlan,
> together with VEPA compliant operation, i.e. not sending back
> multicast frames to the origin.

is multicast filtering already there (i.e. only getting
frames for groups you want)?

> I'll also keep looking into macvtap, though that will be less
> important once you get the tap socket support running.

Not sure I see the connection. to get an equivalent to macvtap,
what you need is tso etc support in packet sockets. No?

> 	Arnd <><
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