net/mlx5e: Fix missing FEC mode mapping for RS_544_514_INTERLEAVED_QUAD

Browse source

MLX5E_FEC_RS_544_514_INTERLEAVED_QUAD is missing from
pplm_fec_2_ethtool_linkmodes[], leaving index 4 zero-initialized.
As a result, when this FEC mode is active, find_first_bit() returns
index 4, causing __set_bit() to set bit 0
(ETHTOOL_LINK_MODE_10baseT_Half_BIT) instead of
ETHTOOL_LINK_MODE_FEC_RS_BIT. Consequently, ethtool reports:

  Advertised FEC modes: Not reported

Add the missing mapping to ETHTOOL_LINK_MODE_FEC_RS_BIT.

Fixes: 4e343c11ef ("net/mlx5e: Support FEC settings for 200G per lane link modes")
Signed-off-by: Shahar Shitrit <shshitrit@nvidia.com>
Reviewed-by: Dragos Tatulea <dtatulea@nvidia.com>
Reviewed-by: Yael Chemla <ychemla@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/20260902164634.3657606-2-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

...

This commit is contained in:

Shahar Shitrit 2026-09-02 19:46:32 +03:00 • committed by Jakub Kicinski

parent e6662f2100

commit 802eedcc0b

1 changed files with 1 additions and 0 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

1

drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c

View file