On Thu, Jun 11, 2015 at 07:57:31AM +0000, Zoltán Balogh wrote:
> I'm wondering if there is a way to send data from ofproto to an 
> ofproto-provider implementation beside using the interface provided by struct 
> ofproto-class.
> The thing is, that we are working on our own ofproto-provider implementation. 
> Under specific circumstances, some OF messages are handled by ofproto without 
> interacting the ofproto-provider implementation. But let's say, we should 
> inform our ofproto-provider implementation about what has happened at ofproto 
> level. One solution would be to extend the srtuct ofproto-class with new 
> function pointer member(s). We would like to avoid this, since this would 
> imply modification of legacy OVS ofproto-provider (ofproto-dpif) 
> implementation.
> So my question: is there any other way (e.g. signaling) to pass information 
> from ofproto to ofproto-provider? What would you suggest?

I'd add the new function pointers; it's the right way to do it.
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