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Date: Thu, 30 Apr 2009 20:48:59 +0300
From: Avi Kivity <avi@redhat.com>
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Subject: [Qemu-devel] Re: [PATCH 9/9] Introduce VLANClientState::cleanup()
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To: Jan Kiszka <jan.kiszka@web.de>
Cc: Mark McLoughlin <markmc@redhat.com>, Anthony Liguori <aliguori@us.ibm.com>, Marcelo Tosatti <mtosatti@redhat.com>, Markus Armbruster <armbru@redhat.com>, qemu-devel@nongnu.org, Blue Swirl <blauwirbel@gmail.com>, Paul Brook <paul@codesourcery.com>

Jan Kiszka wrote:
> Anthony Liguori wrote:
>   
>> Blue Swirl wrote:
>>     
>>> On 4/30/09, Anthony Liguori <aliguori@us.ibm.com> wrote:
>>>   -net pointopoint,tap,nic,model=virtio ?
>>>   
>>>       
>> Or perhaps:
>>
>> -net tap,vlan=off,id=1234 -net nic,model=virtio,vlan=off,id=1234
>>
>>     
>
> That would only allow one such pair per VM.
>   

I'm guessing that's what id= is for.

> Why not keeping all the existing infrastructure, just locking a vlan
> against becoming more than a point-to-point link once some conflicting
> optimization was applied? That should be easy to implement and to
> explain to the user.
>   

I still haven't seen a real life usecase for >2 terminals on a vlan.

-- 
Do not meddle in the internals of kernels, for they are subtle and quick to panic.