net/mlx5: check metadata registers availability

[dpdk.git] / drivers / net / mlx5 / mlx5_prm.h

diff --git a/drivers/net/mlx5/mlx5_prm.h b/drivers/net/mlx5/mlx5_prm.h
index b9e53f5..c17ba66 100644 (file)
--- a/drivers/net/mlx5/mlx5_prm.h
+++ b/drivers/net/mlx5/mlx5_prm.h
@@ -392,6 +392,7 @@ enum {
 
 /* The field of packet to be modified. */
 enum mlx5_modification_field {
+       MLX5_MODI_OUT_NONE = -1,
        MLX5_MODI_OUT_SMAC_47_16 = 1,
        MLX5_MODI_OUT_SMAC_15_0,
        MLX5_MODI_OUT_ETHERTYPE,
@@ -455,6 +456,23 @@ enum mlx5_modification_field {
        MLX5_MODI_IN_TCP_ACK_NUM = 0x5C,
 };
 
+/* Total number of metadata reg_c's. */
+#define MLX5_MREG_C_NUM (MLX5_MODI_META_REG_C_7 - MLX5_MODI_META_REG_C_0 + 1)
+
+enum modify_reg {
+       REG_NONE = 0,
+       REG_A,
+       REG_B,
+       REG_C_0,
+       REG_C_1,
+       REG_C_2,
+       REG_C_3,
+       REG_C_4,
+       REG_C_5,
+       REG_C_6,
+       REG_C_7,
+};
+
 /* Modification sub command. */
 struct mlx5_modification_cmd {
        union {