diff options
| author | Shay Drory <shayd@nvidia.com> | 2026-05-31 14:39:49 +0300 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2026-06-03 17:42:20 -0700 |
| commit | c3933a7a7f64e4f7b5ce2eea79d0e6950e833db7 (patch) | |
| tree | 48836886a4fd1f32162a6d17129acfbe9e2be129 | |
| parent | 8b9fffb6d38b48a0900dbf72fce1dbc5336924de (diff) | |
| download | linux-c3933a7a7f64e4f7b5ce2eea79d0e6950e833db7.tar.gz linux-c3933a7a7f64e4f7b5ce2eea79d0e6950e833db7.zip | |
net/mlx5: LAG, block multipath LAG for SD devices
SD devices are not compatible with multipath LAG since they use
dedicated SD LAG for cross-socket connectivity. Add an SD check
to the multipath prereq validation to prevent multipath LAG
activation on SD-configured ports.
Signed-off-by: Shay Drory <shayd@nvidia.com>
Reviewed-by: Mark Bloch <mbloch@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/20260531113954.395443-10-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/lag/mp.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lag/mp.c b/drivers/net/ethernet/mellanox/mlx5/core/lag/mp.c index f42e051fa7e7..65c76bd748c6 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/lag/mp.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/lag/mp.c @@ -26,6 +26,10 @@ static bool mlx5_lag_multipath_check_prereq(struct mlx5_lag *ldev) if (__mlx5_lag_is_active(ldev) && !__mlx5_lag_is_multipath(ldev)) return false; + if (__mlx5_lag_is_sd(ldev, mlx5_lag_pf(ldev, idx0)->dev) || + __mlx5_lag_is_sd(ldev, mlx5_lag_pf(ldev, idx1)->dev)) + return false; + if (ldev->ports > MLX5_LAG_MULTIPATH_OFFLOADS_SUPPORTED_PORTS) return false; |