[ovs-build] Fixed: ovn-org/ovn#290 (master - cfa5478)

Travis CI builds at travis-ci.org
Wed Jun 17 08:43:50 UTC 2020

Build Update for ovn-org/ovn

Build: #290
Status: Fixed

Duration: 17 mins and 39 secs
Commit: cfa5478 (master)
Author: Numan Siddique
Message: Fix ovn-controller generated packets from getting dropped for reject ACL action.

TCP reset/ICMP packet generated by ovn-controller for the ACL reject action
gets dropped by ovs-vswithd with the below messages in ovs-vswitchd log
even though ovn-controller sets the in_port as OFPP_CONTROLLER.

ofproto_dpif_upcall(handler1)|INFO|received packet on unassociated datapath port 4294967295
ofproto_dpif_upcall(revalidator37)|WARN|Failed to acquire udpif_key corresponding to
unexpected flow (Invalid argument): ufid:0daac824-bda7-44d8-ad38-cdd9c5f0fc97

ovs-vswitchd drops the packet because the in_port is 0.

The below OF flow sets the in_port to 0 if 'MLF_ALLOW_LOOPBACK_BIT' is set in the REG0
in table 64.

priority=100,reg10=0x1/0x1,reg15=0x2,metadata=0x2 actions=push:NXM_OF_IN_PORT[],load:0->NXM_OF_IN_PORT[],resubmit(,65),pop:NXM_OF_IN_PORT[]

This patch fixes this issue by setting the in_port to OFPP_NONE so that ovs-vswitchd
doesn't drop the packet.

Reported-at: https://bugzilla.redhat.com/show_bug.cgi?id=1832176
Acked-by: Mark Michelson <mmichels at redhat.com>
Signed-off-by: Numan Siddique <numans at ovn.org>

View the changeset: https://github.com/ovn-org/ovn/compare/90e597101827...cfa547821131

View the full build log and details: https://travis-ci.org/github/ovn-org/ovn/builds/699224078?utm_medium=notification&utm_source=email


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