net/mlx5: Add DCBX firmware commands support

[linux-2.6-block.git] / drivers / net / ethernet / mellanox / mlx5 / core / port.c

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/port.c b/drivers/net/ethernet/mellanox/mlx5/core/port.c
index ed4898fcadc9148e285ed2b5af9393a1364463c1..d2ec9d232a70727df71d0c733f60c78a55415392 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx5/core/port.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/port.c
@@ -548,6 +548,26 @@ int mlx5_max_tc(struct mlx5_core_dev *mdev)
        return num_tc - 1;
 }
 
+int mlx5_query_port_dcbx_param(struct mlx5_core_dev *mdev, u32 *out)
+{
+       u32 in[MLX5_ST_SZ_DW(dcbx_param)] = {0};
+
+       MLX5_SET(dcbx_param, in, port_number, 1);
+
+       return  mlx5_core_access_reg(mdev, in, sizeof(in), out,
+                                   sizeof(in), MLX5_REG_DCBX_PARAM, 0, 0);
+}
+
+int mlx5_set_port_dcbx_param(struct mlx5_core_dev *mdev, u32 *in)
+{
+       u32 out[MLX5_ST_SZ_DW(dcbx_param)];
+
+       MLX5_SET(dcbx_param, in, port_number, 1);
+
+       return mlx5_core_access_reg(mdev, in, sizeof(out), out,
+                                   sizeof(out), MLX5_REG_DCBX_PARAM, 0, 1);
+}
+
 int mlx5_set_port_prio_tc(struct mlx5_core_dev *mdev, u8 *prio_tc)
 {
        u32 in[MLX5_ST_SZ_DW(qtct_reg)] = {0};