[ovs-dev] [PATCH 21/22] ofctrl: Negotiate OVN Geneve option.

Ben Pfaff blp at nicira.com
Mon Aug 3 21:12:14 UTC 2015


On Fri, Jul 31, 2015 at 11:08:19PM -0700, Alex Wang wrote:
> On Fri, Jul 31, 2015 at 10:15 PM, Ben Pfaff <blp at nicira.com> wrote:
> 
> > On Fri, Jul 31, 2015 at 10:04:35PM -0700, Alex Wang wrote:
> > > Is there any documentation for the ovs side geneve negotiation?
> >
> > No.  What kind of documentation would help?
>
> For ovs side, my understanding is that Geneve allows us to define custom
> matching field that is matchable in an OpenFlow flow?  The ofctl manual
> gives this example,
> 
> add-geneve-map br0 "{class=0xffff,type=0,len=4}->tun_metadata0"
> 
> But, could we have example about how to use it?

OK, I sent a separate patch:
        http://openvswitch.org/pipermail/dev/2015-August/058498.html

> For ovn-side, why do we need to negotiate this particular option,

I think that becomes clearer in the next patch.



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