ACK/Cmnt: [SRU][J:linux-bluefield][PATCH v1 0/1] UBUNTU: SAUCE: mlxbf_gige: Ethtool speed does not update based on link status
John Cabaj
john.cabaj at canonical.com
Thu Jul 10 17:48:58 UTC 2025
On 7/9/25 2:44 PM, Chris Babroski wrote:
> BugLink: https://bugs.launchpad.net/bugs/2116284
Please add Jammy as a targeted series to the LP bug.
>
> [Impact]
> The "Speed" and "Duplex" fields displayed by ethtool should report "Unknown" when the link is down, but instead they continue to show "1000Mb/s" and "Full".
>
> [Fix]
> * Set the speed and duplex values reported to ethtool to unknown when the link is down.
>
> [Test Case]
> * Verified ethtool reports correct speed and duplex values based on link status.
> 1. ethtool oob_net0
> 2. ifconfig oob_net0 down
> 3. ifconfig oob_net0
> * Verified basic OOB interface behavior by SSHing to BlueField via OOB.
>
> [Regression Potential]
> * The fix affects BlueField 2 and BlueField 3, but the change is relatively small and only affects the data that is used by ethtool.
>
> Chris Babroski (1):
> mlxbf_gige: Display unknown speed & duplex in ethtool when link is
> down
>
> .../mellanox/mlxbf_gige/mlxbf_gige_ethtool.c | 26 ++++++++++++++++++-
> 1 file changed, 25 insertions(+), 1 deletion(-)
>
Acked-by: John Cabaj <john.cabaj at canonical.com>
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