[ovs-discuss] OF15 OFP_ACTION_OUT messages not parsed correctly

Ben Pfaff blp at ovn.org
Tue Feb 9 16:19:05 UTC 2016

On Tue, Feb 09, 2016 at 01:56:30PM +0100, Patrick Welzel wrote:
> I am having some trouble using Open vSwitch with OpenFlow15. With OF15,
> the message format for OFP_PACKET_OUT, OFP_GROUP_MOD and possibly others
> has changed: The former in_port field was removed and a ofp_match
> structure was added.
> OVS seems to parse these messages by OF14 format. Both a manual parsing
> of OF14 and OF15 formatted messages as well as a first short dig into
> the code leads to this conclusion.
> Are there plans to update the behaviour to OF15 compliance? Is anyone
> already working on this? Or how could I help with it?
> I guess adding a adapted structure for parsing OF15 messages of these
> types and reusing the parsing of the ofp_match structure from flow_mod
> messages would not be too hard. Although, I'm in no way a C expert and
> new to OVS' codebase.

OpenFlow 1.5 isn't fully implemented (and that's why it isn't enabled by
default).  We'd take a patch to fix it.

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