E-Switch currently doesn't support more than 2 E-Switch managers
being aggregated under a single hardware lag. Have specific checks
to disallow creating lag when the code doesn't support it.
Signed-off-by: Mark Bloch <mbloch@nvidia.com>
Reviewed-by: Maor Gottlieb <maorg@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
return 0;
}
+#define MLX5_LAG_OFFLOADS_SUPPORTED_PORTS 2
static bool mlx5_lag_check_prereq(struct mlx5_lag *ldev)
{
#ifdef CONFIG_MLX5_ESWITCH
#ifdef CONFIG_MLX5_ESWITCH
mode = mlx5_eswitch_mode(ldev->pf[MLX5_LAG_P1].dev);
+ if (mode == MLX5_ESWITCH_OFFLOADS && ldev->ports != MLX5_LAG_OFFLOADS_SUPPORTED_PORTS)
+ return false;
+
return (mode == MLX5_ESWITCH_NONE || mode == MLX5_ESWITCH_OFFLOADS) &&
(mlx5_eswitch_mode(ldev->pf[MLX5_LAG_P1].dev) ==
mlx5_eswitch_mode(ldev->pf[MLX5_LAG_P2].dev));