Public bug reported:
---Problem Description---
ethtool -K enp1s0f0 gro on
Cannot get device udp-fragmentation-offload settings: Operation not supported
Cannot get device udp-fragmentation-offload settings: Operation not supported
---uname output---
Linux ltciofvtr-bostonlc1 4.15.0-10-generic #11-Ubuntu SMP Tue Feb 13 18:21:52
UTC 2018 ppc64le ppc64le ppc64le GNU/Linux
Machine Type = Power 9 Boston LC TBA P9DSU
---Steps to Reproduce---
Configure the interfaces of the of i2S adapter.
Invoke ethtool with -K option for the interface
It fails with below message
# ethtool -K enp1s0f0 gro on
Cannot get device udp-fragmentation-offload settings: Operation not supported
Cannot get device udp-fragmentation-offload settings: Operation not supported
# ethtool -K enp1s0f0 gro off
Cannot get device udp-fragmentation-offload settings: Operation not supported
Cannot get device udp-fragmentation-offload settings: Operation not supported
# ethtool -k enp1s0f0
Features for enp1s0f0:
Cannot get device udp-fragmentation-offload settings: Operation not supported
rx-checksumming: on
tx-checksumming: on
tx-checksum-ipv4: off [fixed]
tx-checksum-ip-generic: on
tx-checksum-ipv6: off [fixed]
tx-checksum-fcoe-crc: on [fixed]
tx-checksum-sctp: on
scatter-gather: on
tx-scatter-gather: on
tx-scatter-gather-fraglist: off [fixed]
tcp-segmentation-offload: on
tx-tcp-segmentation: on
tx-tcp-ecn-segmentation: off [fixed]
tx-tcp-mangleid-segmentation: off
tx-tcp6-segmentation: on
udp-fragmentation-offload: off
generic-segmentation-offload: on
generic-receive-offload: on
large-receive-offload: off
rx-vlan-offload: on
tx-vlan-offload: on
ntuple-filters: off
receive-hashing: on
highdma: on [fixed]
rx-vlan-filter: on
vlan-challenged: off [fixed]
tx-lockless: off [fixed]
netns-local: off [fixed]
tx-gso-robust: off [fixed]
tx-fcoe-segmentation: on [fixed]
tx-gre-segmentation: on
tx-gre-csum-segmentation: on
tx-ipxip4-segmentation: on
tx-ipxip6-segmentation: on
tx-udp_tnl-segmentation: on
tx-udp_tnl-csum-segmentation: on
tx-gso-partial: on
tx-sctp-segmentation: off [fixed]
tx-esp-segmentation: off [fixed]
fcoe-mtu: off [fixed]
tx-nocache-copy: off
loopback: off [fixed]
rx-fcs: off [fixed]
rx-all: off
tx-vlan-stag-hw-insert: off [fixed]
rx-vlan-stag-hw-parse: off [fixed]
rx-vlan-stag-filter: off [fixed]
l2-fwd-offload: off
hw-tc-offload: off
esp-hw-offload: off [fixed]
esp-tx-csum-hw-offload: off [fixed]
rx-udp_tunnel-port-offload: on
Contact Information = abdha...@in.ibm.com
Userspace tool common name: ethtool
The userspace tool has the following bit modes: 64 bit
-----------------------------------------------------------------------------------------------------------
I am not sure but, I found this related patch which says that it is removed.
Kindly look and assist further.
https://patchwork.ozlabs.org/patch/806563/
Found a link which says:
[ethtool] ethtool: Remove UDP Fragmentation Offload use from ethtool
>>But, as the feature has very few device support, and is not that useful,
>>we thought it would be best to just totally remove it from ethtool.
>>We can re-work this so the feature would still be available on old
kernels.
** Affects: ethtool (Ubuntu)
Importance: Undecided
Assignee: Ubuntu on IBM Power Systems Bug Triage (ubuntu-power-triage)
Status: New
** Tags: architecture-ppc64le bugnameltc-164862 severity-high
targetmilestone-inin---
** Tags added: architecture-ppc64le bugnameltc-164862 severity-high
targetmilestone-inin---
** Changed in: ubuntu
Assignee: (unassigned) => Ubuntu on IBM Power Systems Bug Triage
(ubuntu-power-triage)
** Package changed: ubuntu => ethtool (Ubuntu)
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https://bugs.launchpad.net/bugs/1750989
Title:
[Ubuntu 18.04][I2S][ethtool] -k options says 'Cannot get device udp-
fragmentation-offload settings: Operation not supported'
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