net/mlx5: Introduce set delay drop command

[mirror_ubuntu-bionic-kernel.git] / drivers / net / ethernet / mellanox / mlx5 / core / qp.c

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/qp.c b/drivers/net/ethernet/mellanox/mlx5/core/qp.c
index 340f281c98019ea4bfea726097df2baa78f9ddbb..db9e665ab10474f934131b5c2a8fa2173fa5feb6 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx5/core/qp.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/qp.c
@@ -242,6 +242,20 @@ int mlx5_core_destroy_qp(struct mlx5_core_dev *dev,
 }
 EXPORT_SYMBOL_GPL(mlx5_core_destroy_qp);
 
+int mlx5_core_set_delay_drop(struct mlx5_core_dev *dev,
+                            u32 timeout_usec)
+{
+       u32 out[MLX5_ST_SZ_DW(set_delay_drop_params_out)] = {0};
+       u32 in[MLX5_ST_SZ_DW(set_delay_drop_params_in)]   = {0};
+
+       MLX5_SET(set_delay_drop_params_in, in, opcode,
+                MLX5_CMD_OP_SET_DELAY_DROP_PARAMS);
+       MLX5_SET(set_delay_drop_params_in, in, delay_drop_timeout,
+                timeout_usec / 100);
+       return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
+}
+EXPORT_SYMBOL_GPL(mlx5_core_set_delay_drop);
+
 struct mbox_info {
        u32 *in;
        u32 *out;