[ovs-dev] [PATCH] ofp-monitor: Extend Flow Monitoring support for OF 1.0+ with Nicira Extensions

Vasu Dasari vdasari at gmail.com
Thu Jun 10 00:17:18 UTC 2021

Hi Ben,

I know you might be busy. Can you please share how to construct byte
stream, I will do it.

I looked at ovs-ofctl command debug options to see if there is a way to
print out the byte OpenFlow packet's byte stream, I could not find one.


*Vasu Dasari*

On Fri, May 14, 2021 at 5:09 PM Ben Pfaff <blp at ovn.org> wrote:

> On Fri, May 14, 2021 at 03:48:53PM -0400, Vasu Dasari wrote:
> > Hi Ben,
> >
> > Quick comment on test case extension. I have added wrappers as you
> > suggested that code looks good. But I ran into a version specific problem
> > for testcase, "ofproto - flow monitoring". It uses is a ofctl/send
> > <
> https://github.com/openvswitch/ovs/blob/7100c220e669443aa646513ce6cb241ccf2caf5c/tests/ofproto.at#L4695
> >
> > command
> > to perform flow-delete operation, which works well for 1.0 as the byte
> > stream is handcrafted for version 1. But for any other version, we need
> to
> > construct th byte stream and call ofctl/send. So, I left following as it
> is
> The easiest way to construct the byte stream is probably to run
> ovs-ofctl and record what it sends.  It shouldn't be very hard to do
> that, so I'd just go ahead and do it.

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