diff options
| author | Shay Drory <shayd@nvidia.com> | 2023-06-06 10:12:11 +0300 |
|---|---|---|
| committer | Saeed Mahameed <saeedm@nvidia.com> | 2023-06-08 00:00:43 +0300 |
| commit | 7718c1c8ac325019a3d727e994faab9cf2438263 (patch) | |
| tree | 9d62f2cc8df9331d6b112a6c5f3434764ea8a6fb /drivers/net/ethernet/mellanox/mlx5/core/lag | |
| parent | d61bab396115dafc9ad572afa57d464e2e00b396 (diff) | |
| download | linux-7718c1c8ac325019a3d727e994faab9cf2438263.tar.xz | |
net/mlx5: LAG, block multiport eswitch LAG in case ldev have more than 2 ports
multiport eswitch LAG is not supported over more than two ports. Add a check in
order to block multiport eswitch LAG over such devices.
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/net/ethernet/mellanox/mlx5/core/lag')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/lag/mpesw.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lag/mpesw.c b/drivers/net/ethernet/mellanox/mlx5/core/lag/mpesw.c index 0c0ef600f643..0e869a76dfe4 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/lag/mpesw.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/lag/mpesw.c @@ -65,6 +65,7 @@ err_metadata: return err; } +#define MLX5_LAG_MPESW_OFFLOADS_SUPPORTED_PORTS 2 static int enable_mpesw(struct mlx5_lag *ldev) { struct mlx5_core_dev *dev0 = ldev->pf[MLX5_LAG_P1].dev; @@ -74,6 +75,9 @@ static int enable_mpesw(struct mlx5_lag *ldev) if (ldev->mode != MLX5_LAG_MODE_NONE) return -EINVAL; + if (ldev->ports > MLX5_LAG_MPESW_OFFLOADS_SUPPORTED_PORTS) + return -EOPNOTSUPP; + if (mlx5_eswitch_mode(dev0) != MLX5_ESWITCH_OFFLOADS || !MLX5_CAP_PORT_SELECTION(dev0, port_select_flow_table) || !MLX5_CAP_GEN(dev0, create_lag_when_not_master_up) || |