Thanks you all - I have 1 comment inline
> -----Original Message-----
> From: [email protected] [mailto:ovs-discuss-
> [email protected]] On Behalf Of Aaron Conole
> Sent: Thursday, 18 May, 2017 7:39 PM
> To: Levente Csikor
> Cc: [email protected]
> Subject: Re: [ovs-discuss] DUMP-FLOWS: ofctl dump-flows vs dpctl dump-flows
>
> Levente Csikor <[email protected]> writes:
>
> > Hi,
> >
> > a.f.a.i.k.:
> >
> > dpctl shows what's in the kernel space (fast path) and ofctl shows
> > what's in the userspace (flow table - slow(er) path).
> >
> > The flow table can have priorities, therefore it can consist of
> > overlapping rules as well resulting in lesser number of rules.
> > On the other hand, the fast path builds a (megaflow-)cache according
> > to the userspace
> > flow-table(s) AND the incoming packets, in particular, incoming
> > packets' headers (regardless of the action (forward/drop)).
[Avi Cohen (A)]
Megaflows is a kind of 'flows/rules compression' with don't care bits.
(correct me if I'm wrong)
But this is in a contradiction to what is written in the manpages: " dpctl
shows only exact-match flows of
packets that traverse the datapath lately"
> >
> > So, you not just see more rules/lines of output after calling dpctl
> > command, they don't even be exactly the same.
> >
> > Please correct me, if I'm wrong.
>
> That looks correct to me.
>
> Additionally, Joe Stringer did an excellent talk about using ovs-dpctl -
> https://www.youtube.com/watch?v=8ieoUQI7X88
>
> This may help understand the difference between the two datapoints.
>
> > BR,
> > levi
> >
> > On 05/18/2017 03:17 PM, Avi Cohen (A) wrote:
> >
> > I understand from manpages that dpctl shows only exact-match flows of
> > packets that traverse the datapath lately.
> > So I expect to see less flows in the datapath than in openflow. but I have
> more flows in the datapath - why ?
> >
> > -----Original Message-----
> > From: Avi Cohen (A)
> > Sent: Thursday, 18 May, 2017 4:37 PM
> > To: '[email protected]'
> > Subject: DUMP-FLOWS: ofctl dump-flows vs dpctl dump-flows
> >
> > Hello,
> > I'm seeing in my dpctl dump-flows about 10,000 flows, while in ofctl
> > dump-
> > flows I see only ~ 1400 flows
> > - Is this make sense ?
> > - How can I associate an ofcctl flow to a dpctl flow ? (I can see
> > ufid only in dpctl
> > dump) Best Regards, avi
> >
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