ACK/Cmnt: [SRU][N: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 17:28:49 UTC 2025


On 7/9/25 2:47 PM, Chris Babroski wrote:
> BugLink: https://bugs.launchpad.net/bugs/2116284

Please add Noble to targeted series in 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>




More information about the kernel-team mailing list