On Sat, Aug 6, 2016 at 12:38 PM, Ryan Moats <rmo...@us.ibm.com> wrote:
> "dev" <dev-boun...@openvswitch.org> wrote on 07/29/2016 06:08:38 PM: > > > From: Darrell Ball <dlu...@gmail.com> > > To: dlu...@gmail.com, d...@openvswitch.com, b...@ovn.org > > Date: 07/29/2016 06:09 PM > > Subject: [ovs-dev] [patch_v7] ovn: Fix receive from vxlan in > ovn-controller. > > Sent by: "dev" <dev-boun...@openvswitch.org> > > > > The changes enable source node replication in OVN for receive from Vxlan > > tunnels. OVN only supports source node replication mode. This is needed > > for OVN to interoperate with hardware switches. > > > > OVN only supports source_node replication and previously vtep > interaction, > > which used service node replication by default for > > multicast/broadcast/unknown unicast traffic "worked" by happenstance. > > Because of limited vxlan encapsulation metadata, received packets were > > resubmitted to find the egress port(s). This is not correct for > multicast, > > broadcast and unknown unicast traffic as traffic will get resent on the > tunnel > > mesh. ovn-controller is changed not to send traffic received from vxlan > > tunnels out the tunnel mesh again. Traffic received from vxlan tunnels > is > > now only sent locally as intended with obvious benefits. This behavior > is > > newly documented in ovn-architecture.7.xml. > > > > To support keeping state for receipt from a vxlan tunnel, a MFF logical > > register is allocated for general scratchpad purposes and one bit is > used for > > receipt from vxlan. The new register usage is documented in > > ovn-architecture.7.xml. > > > > As part of this change ovn-controller-vtep is hard-coded to set the > > replication mode of each logical switch to source node as OVN will only > > support source node replication. > > > > Signed-off-by: Darrell Ball <dlu...@gmail.com> > > --- > > I was going to try this out, but the patches to ovn/lib/logical-fields.h > didn't apply cleanly and it looks like some of the changes are already > there, so rather than guess what goes in and doesn't, can we get a rebase? > > > hmm, it looks like a logical flags register was added by Justin recently hence there is no need for me to add that. Since this patch or patch series has been out for a about 2 months and there has been some disagreement regarding document _______________________________________________ dev mailing list dev@openvswitch.org http://openvswitch.org/mailman/listinfo/dev
