I've written some openflow controller code to submit openflow line-protocol based commands.

In looking at the ovs-fields document, there appears to be OVS functions available which are not available via openflow protocol commands.

Those extensions seem to be available in ovs-ofctl though.

Is there an API way of doing things instead of going through ovs-ofctl?  Or are the NXM extensions available in one of the OpenFlow versions?  For example, I've been programming via OF1.4.1 at this point (found at https://benpfaff.org/ofh/openflow-spec1.4.1.h).

From the ovs-fields document, there is NXM_NX_CONJ_ID (for conjunctive match fields), which shows as not being an openflow protocol based function.

IE, could flow tables be updated via JSON documents, like what is used to update the ovsdb?

Or am I missing something obvious?

--
Raymond Burkholder
[email protected]
https://blog.raymond.burkholder.net


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