diff options
| author | Mark Bloch <mbloch@nvidia.com> | 2022-03-01 17:24:40 +0000 |
|---|---|---|
| committer | Saeed Mahameed <saeedm@nvidia.com> | 2022-05-09 22:54:02 -0700 |
| commit | e2c45931ff124381e6389c5e226a9527ff8c9969 (patch) | |
| tree | 9cd8ff35ff624cd09b9bd92ee5f5236b9d3edd65 /drivers/net/ethernet/mellanox/mlx5/core/lag/lag.c | |
| parent | e9d5bb51c592d0275b00a52ce3d8fe8457501ce6 (diff) | |
net/mlx5: Lag, support single FDB only on 2 ports
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>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/lag/lag.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/lag/lag.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lag/lag.c b/drivers/net/ethernet/mellanox/mlx5/core/lag/lag.c index deac240e6d78..4678b50b7e18 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/lag/lag.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/lag/lag.c @@ -458,6 +458,7 @@ static int mlx5_deactivate_lag(struct mlx5_lag *ldev) return 0; } +#define MLX5_LAG_OFFLOADS_SUPPORTED_PORTS 2 static bool mlx5_lag_check_prereq(struct mlx5_lag *ldev) { #ifdef CONFIG_MLX5_ESWITCH @@ -470,6 +471,9 @@ static bool mlx5_lag_check_prereq(struct mlx5_lag *ldev) #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)); |