From: "Liu, Changcheng" <jerrliu@xxxxxxxxxx> The firmware supports adding a steering rule to catch egress traffic of the QPs/TISs which are set port affinity explicitly in hash mode. Enable that mode for NICS with 2 ports as well. Signed-off-by: Liu, Changcheng <jerrliu@xxxxxxxxxx> Reviewed-by: Mark Bloch <mbloch@xxxxxxxxxx> Signed-off-by: Saeed Mahameed <saeedm@xxxxxxxxxx> --- .../net/ethernet/mellanox/mlx5/core/lag/lag.c | 17 +++++++++-------- 1 file changed, 9 insertions(+), 8 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lag/lag.c b/drivers/net/ethernet/mellanox/mlx5/core/lag/lag.c index d4d4d1d1e8c7..97c4a525226b 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/lag/lag.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/lag/lag.c @@ -484,21 +484,22 @@ void mlx5_modify_lag(struct mlx5_lag *ldev, mlx5_lag_drop_rule_setup(ldev, tracker); } -#define MLX5_LAG_ROCE_HASH_PORTS_SUPPORTED 4 static int mlx5_lag_set_port_sel_mode_roce(struct mlx5_lag *ldev, unsigned long *flags) { - struct lag_func *dev0 = &ldev->pf[MLX5_LAG_P1]; + struct mlx5_core_dev *dev0 = ldev->pf[MLX5_LAG_P1].dev; - if (ldev->ports == MLX5_LAG_ROCE_HASH_PORTS_SUPPORTED) { - /* Four ports are support only in hash mode */ - if (!MLX5_CAP_PORT_SELECTION(dev0->dev, port_select_flow_table)) - return -EINVAL; - set_bit(MLX5_LAG_MODE_FLAG_HASH_BASED, flags); + if (!MLX5_CAP_PORT_SELECTION(dev0, port_select_flow_table)) { if (ldev->ports > 2) - ldev->buckets = MLX5_LAG_MAX_HASH_BUCKETS; + return -EINVAL; + return 0; } + if (ldev->ports > 2) + ldev->buckets = MLX5_LAG_MAX_HASH_BUCKETS; + + set_bit(MLX5_LAG_MODE_FLAG_HASH_BASED, flags); + return 0; } -- 2.37.2