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  1. Fast Datapath Product
  2. FDP-394

Invalid Geneve tunnel metadata on OCP with userspace datapaths

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    • ovs-dpdk
    • Invalid Geneve tunnel metadata on OCP with userspace datapaths
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    • rhel-net-ovs-dpdk
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    • ssg_networking

      This epic tracks all the effort needed to deliver the solution related to the bug described below.
      When running OpenShift's conformance test suite against OpenShift with Open vSwitch's userspace datapaths (proof of concept) then /var/log/openvswitch/ovs-vswitchd.log occasionally logs:

      ofproto_dpif_xlate(handler9)|WARN|Invalid Geneve tunnel metadata on bridge br-int while processing tcp,in_port=5,vlan_tci=0x0000,dl_src=0a:58:64:58:00:06,dl_dst=0a:58:64:58:00:05,nw_src=10.128.2.14,nw_dst=10.131.0.3,nw_tos=0,nw_ecn=0,nw_ttl=63,nw_frag=no,tp_src=43400,tp_dst=8443,tcp_flags=syn
      ofproto_dpif_xlate(handler9)|WARN|Invalid Geneve tunnel metadata on bridge br-int while processing tcp,in_port=5,vlan_tci=0x0000,dl_src=0a:58:64:58:00:06,dl_dst=0a:58:64:58:00:05,nw_src=10.128.2.15,nw_dst=10.131.0.17,nw_tos=0,nw_ecn=0,nw_ttl=63,nw_frag=no,tp_src=55020,tp_dst=9094,tcp_flags=syn
      ofproto_dpif_xlate|WARN|Invalid Geneve tunnel metadata on bridge br-int while processing tcp,in_port=5,vlan_tci=0x0000,dl_src=0a:58:64:58:00:06,dl_dst=0a:58:64:58:00:05,nw_src=10.128.2.15,nw_dst=10.131.0.17,nw_tos=0,nw_ecn=0,nw_ttl=63,nw_frag=no,tp_src=55054,tp_dst=9094,tcp_flags=syn
      ofproto_dpif_upcall|WARN|upcall_cb failure: ukey installation fails

       

      See notes on proof of concept for how to reproduce.

              ovsdpdk-bot ovsdpdk bot
              jmeng@redhat.com Jakob Meng
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                Created:
                Updated: