[ovs-discuss] Communication between OVS and controller (floodlight )

Jesse Gross jesse at nicira.com
Wed Nov 20 01:11:41 UTC 2013


On Mon, Nov 18, 2013 at 7:43 PM, VIVEK KUMAR <kvivekkumar1 at gmail.com> wrote:
> I want to make some changes in the switch. This is what I'm trying to do :
>
>  In the conventional code , ( in datapath.c in openvswitch ) when it
> receives a packet, it checks if the flow ID is present or not. If its
> present , it doesn't send the packet to userspace ( and then to controller
> ). I want to send it to controller in both cases ie even if the flow
> matches.
>
> Can I modify the datapath.c file accordingly ?

You don't need to modify the switch to do this, you can just add a
controller action to your OpenFlow flow.



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