[ovs-discuss] How to match packet-in and flow-mod via buffer_id?

[Ben Pfaff]

On Thu, May 12, 2016 at 01:46:32PM +0000, Ali Volkan Atli wrote:
> When a controller adds a table-miss flow entry with
> instruction->action->max_lenght field set to NO_BUFFER, do I have a
> chance to match a packet-in message and associated flow-mod message
> via buffer_id? 

I don't understand the question.

> If OvS send a packet-in message buffer_id set to a value different
> than NO_BUFFER, does it violate the Openflow specs?

Yes, I think so.