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Bug 1876459

Summary: [RFE] For OVS userspace add generic connection tracking for IP protocols not being UDP, TCP or ICMP(v6)
Product: Red Hat Enterprise Linux Fast Datapath Reporter: Eelco Chaudron <echaudro>
Component: openvswitch2.13Assignee: Eelco Chaudron <echaudro>
Status: CLOSED ERRATA QA Contact: Jiying Qiu <jiqiu>
Severity: unspecified Docs Contact:
Priority: unspecified    
Version: FDP 20.ECC: ctrautma, dhill, fbaudin, jhsiao, mflusche, pvauter, qding, ralongi, ralonsoh, tredaelli
Target Milestone: ---Keywords: Reopened
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard:
Fixed In Version: openvswitch2.13-2.13.0-95.el8fdp Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2021-05-20 19:29:38 UTC Type: Bug
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On:    
Bug Blocks: 1867769    

Description Eelco Chaudron 2020-09-07 09:25:04 UTC 
Currently, OVS-DPDK (userspace) does not support connection tracking for protocols other than UDP, TCP, ICMP, or ICMPv6. See if we can fall back to a generic connection tracking without taking L4 ports into consideration. This is more in line with what the kernel does.
Comment 1 Eelco Chaudron 2020-09-08 09:24:53 UTC 
*** Bug 1876560 has been marked as a duplicate of this bug. ***
Comment 2 Eelco Chaudron 2020-09-09 13:43:30 UTC 
Sent proposal for a patch upstream:

https://mail.openvswitch.org/pipermail/ovs-dev/2020-September/374725.html
Comment 3 Eelco Chaudron 2020-09-17 08:46:31 UTC 
Sent a v2 after a small style comment:

https://mail.openvswitch.org/pipermail/ovs-dev/2020-September/375201.html
Comment 4 Eelco Chaudron 2020-10-13 08:40:31 UTC 
Sent a v3 after some more comments:

https://mail.openvswitch.org/pipermail/ovs-dev/2020-October/375954.html
Comment 6 Eelco Chaudron 2021-01-04 15:44:52 UTC 
Got accepted for v2.15, which will make it automatically in FDP when they adopt v2.15. So will close this BZ.
Comment 7 Eelco Chaudron 2021-02-15 15:03:28 UTC 
Re-assign, will port back to OVS 2.13.
Comment 9 Matt Flusche 2021-03-03 16:06:21 UTC 
Hi Eelco,

Just to confirm, is this fix available in the current release of openvswitch?  openvswitch2.13-2.13.0-79.5.el8fdp.x86_64
Comment 13 Jiying Qiu 2021-04-26 09:30:39 UTC 
Verified with openvswitch2.13-2.13.0-95.el8fdp.

Send generic traffic, with "ovs-appctl dpctl/dump-conntrack - L" show:

112,orig=(src=192.168.0.30,dst=224.0.0.18,sport=0,dport=0),reply=(src=224.0.0.18,dst=192.168.0.30,sport=0,dport=0)
Comment 15 errata-xmlrpc 2021-05-20 19:29:38 UTC 
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory (openvswitch2.13 bug fix and enhancement update), and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHBA-2021:2083