** Changed in: linux (Ubuntu Groovy)
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/1914447
Title:
geneve overlay network on vlan interface broken with offload enabled
Status in linux package in Ubuntu:
Triaged
Status in linux source package in Groovy:
Fix Committed
Bug description:
[SRU Justification]
Impact: In upstream v5.2 geneve tunnel stateless offload support was
added to the mlx5 driver. This had some issue with VLANs where the
VLAN ID was set by the driver even when offload support was enabled.
Fix: Upstream (v5.11-rc3) commit
378d3783412e38dc3a2b9d524f551c0008ea314a "net/mlx5e: Fix SWP offsets
when vlan inserted by driver" was backported (dropping some code
because it did not yet exist in 5.8) and verified to address the
problem.
Testcase: Enable geneve tunnel offload support on a mlx5(e) card over
VLAN.
Regression potential: The modified code path is sending packets tagged
for VLAN(s), so outgoing traffic into VLAN(s) would most likely be
impacted.
--- original description ---
Mellanox Connect-X 5 network card
When using geneve overlay networks over a vlan interface, txvlan
offload currently has to be disabled as it interferes with the network
traffic causing general wonkyness.
Mellanox engineering pointed us at:
https://www.spinics.net/lists/netdev/msg711911.html
as a likely fix for this issue.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: linux-image-5.8.0-41-generic 5.8.0-41.46~20.04.1
ProcVersionSignature: Ubuntu 5.8.0-40.45~20.04.1-generic 5.8.18
Uname: Linux 5.8.0-40-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.14
Architecture: amd64
CasperMD5CheckResult: skip
Date: Wed Feb 3 15:34:23 2021
ProcEnviron:
TERM=screen-256color-bce
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=C.UTF-8
SHELL=/bin/bash
SourcePackage: linux-signed-hwe-5.8
UpgradeStatus: No upgrade log present (probably fresh install)
modified.conffile..etc.logrotate.d.apport: [modified]
mtime.conffile..etc.logrotate.d.apport: 2021-02-03T15:17:01.792261
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