diff options
| author | Shay Drory <shayd@nvidia.com> | 2023-06-06 00:12:10 -0700 |
|---|---|---|
| committer | Saeed Mahameed <saeedm@nvidia.com> | 2023-06-07 14:00:43 -0700 |
| commit | d61bab396115dafc9ad572afa57d464e2e00b396 (patch) | |
| tree | 26c04fd8fe6b5d44014cef37b76471c6bc529999 /drivers | |
| parent | c83e6ab96ef20bcdb5bfb12f42bd2e6734920bfd (diff) | |
net/mlx5: LAG, block multipath LAG in case ldev have more than 2 ports
multipath LAG is not supported over more than two ports. Add a check in
order to block multipath LAG over such configurations.
Signed-off-by: Shay Drory <shayd@nvidia.com>
Reviewed-by: Mark Bloch <mbloch@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Diffstat (limited to 'drivers')
| -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 d85a8dfc153d..976caa8e6922 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/lag/mp.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/lag/mp.c @@ -14,6 +14,7 @@ static bool __mlx5_lag_is_multipath(struct mlx5_lag *ldev) return ldev->mode == MLX5_LAG_MODE_MULTIPATH; } +#define MLX5_LAG_MULTIPATH_OFFLOADS_SUPPORTED_PORTS 2 static bool mlx5_lag_multipath_check_prereq(struct mlx5_lag *ldev) { if (!mlx5_lag_is_ready(ldev)) @@ -22,6 +23,9 @@ 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 (ldev->ports > MLX5_LAG_MULTIPATH_OFFLOADS_SUPPORTED_PORTS) + return false; + return mlx5_esw_multipath_prereq(ldev->pf[MLX5_LAG_P1].dev, ldev->pf[MLX5_LAG_P2].dev); } |