[PATCH v2 0/2] net/mlx5: improvements to link status handling

Dariusz Sosnowski dsosnowski at nvidia.com
Fri Oct 30 18:28:41 CET 2026


This series is a result of splitting patch:
https://patches.dpdk.org/project/dpdk/patch/20261026160400.1290443-1-dsosnowski@nvidia.com/

Patch 1 - Fix for mlx5 link update function to query current link carrier status,
bypassing the delay introduced by linkwatch in Linux kernel.

Patch 2 - Move to link status polling, in place of relying on netlink events
which can be delayed by linkwatch for up to 1s.

Dariusz Sosnowski (2):
  net/mlx5: fix link status query
  net/mlx5: move to polling for LSC interrupts

 .mailmap                                 |   1 +
 drivers/common/mlx5/linux/mlx5_nl.c      |  29 ---
 drivers/common/mlx5/linux/mlx5_nl.h      |   2 -
 drivers/net/mlx5/linux/meson.build       |   1 +
 drivers/net/mlx5/linux/mlx5_ethdev_os.c  | 147 ++++--------
 drivers/net/mlx5/linux/mlx5_lsc_intr.c   | 294 +++++++++++++++++++++++
 drivers/net/mlx5/linux/mlx5_os.c         |  23 --
 drivers/net/mlx5/mlx5.c                  |   7 -
 drivers/net/mlx5/mlx5.h                  |   4 +-
 drivers/net/mlx5/mlx5_lsc_intr.h         |  13 +
 drivers/net/mlx5/mlx5_trigger.c          |  20 +-
 drivers/net/mlx5/windows/meson.build     |   1 +
 drivers/net/mlx5/windows/mlx5_lsc_intr.c |  20 ++
 13 files changed, 385 insertions(+), 177 deletions(-)
 create mode 100644 drivers/net/mlx5/linux/mlx5_lsc_intr.c
 create mode 100644 drivers/net/mlx5/mlx5_lsc_intr.h
 create mode 100644 drivers/net/mlx5/windows/mlx5_lsc_intr.c

--
2.43.0



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