On Tue, Jan 17, 2017 at 01:45:05AM -0800, Mickey Spiegel wrote:
> This patch adds an action that loops a clone of the packet back to the
> beginning of the ingress pipeline with logical inport equal to the value
> of the current logical outport. The following actions are executed on
> the clone:
>
> clears the connection tracking state
> in_port = 0
> inport = outport
> outport = 0
> flags = 0
> reg0 ... reg9 = 0
> nested actions from inside "{ ... }"
> for example "reg9[1] = 1" to indicate that egress loopback has
> occurred
> executes the ingress pipeline as a subroutine
I think that we can get something equivalent by defining finer-grained
primitives, which is usually my own preference. I posted a series of
patches to enable that:
https://mail.openvswitch.org/pipermail/ovs-dev/2017-January/327820.html
I believe that, with these patches, egress loopback explained above can
be implemented with:
clone { inport = outport; outport = ""; flags.loopback = 0;
reg0 = 0; reg1 = 0; ... regN = 0;
next(pipeline=ingress, table=0); }
What do you think?
Thanks,
Ben.
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