[ovs-discuss] open vswitch / openflow includes for nicira extensions

[Raymond Burkholder]

I have been using header file definitions found in 
https://www.opennetworking.org/wp-content/uploads/2014/10/openflow-switch-v1.4.1.pdf 
to build an open flow controller.

The controller communicates successfully with openvswitch.

But in tutorials such as 
https://github.com/openvswitch/ovs/blob/master/Documentation/tutorials/ovs-conntrack.rst, 
the command line examples use flow modifications using non-standard 
values and parameters.

Are these enumerations and structures available to controllers? If so, 
what header files would be included to access the enumerations and 
structures?

I've looked at files in /usr/include/openvswitch and 
/usr/include/openflow, but nothing is obvious for working with nicira 
extenstions.  Even searching through a cloned github repository of ovs 
doesn't yield a definition for something like CS_ESTABLISHED that I 
could follow through.  I see references, but I don't seem to see the 
original definition or enumeration.

Or is there a better way to build a controller to use the nicira extensions?
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