[ovs-discuss] Flow difference between ovs-ofctl dump-flows & ovs-dpctl dump-flows

Bhargav Bhikkaji bhargav.ietf at gmail.com
Fri Apr 25 16:06:11 UTC 2014


So, all OF-Flows are user-space switched and all Non-OF-flows kernel
switched (unless there is a flow miss).

Do you expect a flow to be both OF & Non-OF ?. If so, how does it work-like
?.


On Thu, Apr 24, 2014 at 3:50 PM, Ben Pfaff <blp at nicira.com> wrote:

> No. No.
>
> On Thu, Apr 24, 2014 at 3:44 PM, Bhargav Bhikkaji
> <bhargav.ietf at gmail.com> wrote:
> > Does "ovs-ofctl flows" gets programmed in the kernel ? or is that
> > "ovs-dpctl dump-flows" dumps both of-flows & flows that got punted ?
> >
> >
> > On Thu, Apr 24, 2014 at 3:38 PM, Ben Pfaff <blp at nicira.com> wrote:
> >>
> >> On Thu, Apr 24, 2014 at 03:37:12PM -0700, Bhargav Bhikkaji wrote:
> >> > My actual question is, if there is flow miss in the datapath, the
> packet
> >> > is
> >> > punted to the user-space (vswitchd) which programs the missed flow on
> >> > datapath. Essentially, vswitchd handles the flow management for
> >> > datapath.
> >> > Is there a way to dump in vswitchd those flows that got punted and
> gets
> >> > programmed subsequently in datapath ?
> >>
> >> The flows that got punted and programmed are the flows dumped by
> >> "ovs-dpctl dump-flows".
> >
> >
>
>
>
> --
> "I don't normally do acked-by's.  I think it's my way of avoiding
> getting blamed when it all blows up."               Andrew Morton
>
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