*Quique Llorente* CNV networking Senior Software Engineer
Red Hat EMEA <https://www.redhat.com/> ellor...@redhat.com <arxc...@redhat.com> @RedHat <https://twitter.com/redhat> Red Hat <https://www.linkedin.com/company/red-hat> Red Hat <https://www.facebook.com/RedHatInc> <https://www.redhat.com/> On Wed, 29 Jan 2025 at 09:41, Enrique Llorente Pastora <ellor...@redhat.com> wrote: > On Wed, Jan 29, 2025 at 8:53 AM Ales Musil <amu...@redhat.com> wrote: > > > > Thank you for the report. After investigation I think I know what is > triggering the loop. It is part of the patch 4/4 rest of it is fine. Once I > have a fix for that I will submit a new version. > > I just did the same test and now I don't see CPUs going crazy, so the > fix is working, my next step is to check IPv6, but it looks quite > promising. Also the kubevirt lane at ovn-kubernetes is passing so I suppose we are good https://github.com/ovn-kubernetes/ovn-kubernetes/pull/5014 Tested-by: Enrique Llorente <ellor...@redhat.com> > > > > > On Tue, Jan 28, 2025 at 5:39 PM Enrique Llorente Pastora < > ellor...@redhat.com> wrote: > >> > >> After testing with a ovn-kubernetes poc using transit routers with a > primary UDN > >> layer2 topology and migrating a VM with ingress iperf3 traffic I get > >> almost 100% of some cpu cores bussy > >> with softirq, even after closing the iperf3 client, so feels like a > >> loop is there. > >> > >> 17 root 20 0 0 0 0 R 99.0 0.0 32:04.56 > >> ksoftirqd/0 > >> 45 root 20 0 0 0 0 R 90.4 0.0 47:50.90 > >> ksoftirqd/4 > >> > >> the poc -> > https://github.com/qinqon/ovn-kubernetes/tree/dnm-transit-router-poc > >> (last two commits) > >> > >> The db files are attached to the email: > >> > >> On Tue, Jan 21, 2025 at 8:39 AM Ales Musil <amu...@redhat.com> wrote: > >> > > >> > In order to have transit router we have to allow peer port connection > >> > between LR patch port l3gateway types. This allows direct connection > >> > of two LRs, one of the being transit router and the second one being > >> > GW router. This is taken care of commit 3/6. To be fair this can > >> > change can be useful in general even without transit router. > >> > > >> > The 2/4 and 4/4 is the actual work needed for transit router. First > >> > is the way to define remote ports for logical router which on it's > >> > own is the main component that results in the transit router. The > >> > LRP can be set remote by setting options:requested-chassis to chassis > >> > that has is-remote=true. Only one chassis is supported at time. The > >> > 6/6 is needed in cases when one AZ ARPs port in other AZ, without > >> > this the ARP wouldn't be delivered to the original AZ, which would > >> > result in dropped traffic. > >> > > >> > Ales Musil (4): > >> > physical: Allow l3gateway and patch port to be peers. > >> > northd: Introduce the concept of transit routers. > >> > actions, physical: Make the MC split action generic. > >> > northd, controller: Flood ARP and NA packet on transit router. > >> > > >> > NEWS | 3 + > >> > controller/lflow.c | 1 + > >> > controller/lflow.h | 4 + > >> > controller/physical.c | 273 > ++++++++++++++++++++++++++++++++------ > >> > controller/pinctrl.c | 21 +-- > >> > include/ovn/actions.h | 7 +- > >> > lib/actions.c | 19 ++- > >> > lib/ovn-util.c | 2 +- > >> > northd/northd.c | 52 ++++++-- > >> > northd/northd.h | 4 + > >> > ovn-nb.xml | 43 ++++++ > >> > tests/multinode-macros.at | 48 +++++++ > >> > tests/multinode.at | 196 +++++++++++++++++++++++++++ > >> > tests/ovn-controller.at | 153 +++++++++++++++++++++ > >> > tests/ovn-macros.at | 1 + > >> > tests/ovn-northd.at | 51 +++++++ > >> > tests/ovn.at | 10 +- > >> > tests/test-ovn.c | 1 + > >> > utilities/ovn-trace.c | 3 + > >> > 19 files changed, 826 insertions(+), 66 deletions(-) > >> > > >> > -- > >> > 2.47.1 > >> > > >> > _______________________________________________ > >> > dev mailing list > >> > d...@openvswitch.org > >> > https://mail.openvswitch.org/mailman/listinfo/ovs-dev > >> > > >> > >> > >> -- > >> Quique Llorente > >> > >> CNV networking Senior Software Engineer > >> > >> Red Hat EMEA > >> > >> ellor...@redhat.com > >> > >> @RedHat Red Hat Red Hat > > > > > > Thanks, > > Ales > > > > -- > Quique Llorente > > CNV networking Senior Software Engineer > > Red Hat EMEA > > ellor...@redhat.com > > @RedHat Red Hat Red Hat > _______________________________________________ dev mailing list d...@openvswitch.org https://mail.openvswitch.org/mailman/listinfo/ovs-dev
