+#define IXGBE_KRM_PMD_FLX_MASK_ST20_SFI_10G_DA ~(0x3 << 20)
+#define IXGBE_KRM_PMD_FLX_MASK_ST20_SFI_10G_SR (1u << 20)
+#define IXGBE_KRM_PMD_FLX_MASK_ST20_SFI_10G_LR (0x2 << 20)
+#define IXGBE_KRM_PMD_FLX_MASK_ST20_SGMII_EN (1u << 25)
+#define IXGBE_KRM_PMD_FLX_MASK_ST20_AN37_EN (1u << 26)
+#define IXGBE_KRM_PMD_FLX_MASK_ST20_AN_EN (1u << 27)
+#define IXGBE_KRM_PMD_FLX_MASK_ST20_SPEED_10M ~(0x7 << 28)
+#define IXGBE_KRM_PMD_FLX_MASK_ST20_SPEED_100M (1u << 28)
+#define IXGBE_KRM_PMD_FLX_MASK_ST20_SPEED_1G (0x2 << 28)
+#define IXGBE_KRM_PMD_FLX_MASK_ST20_SPEED_10G (0x3 << 28)
+#define IXGBE_KRM_PMD_FLX_MASK_ST20_SPEED_AN (0x4 << 28)
+#define IXGBE_KRM_PMD_FLX_MASK_ST20_SPEED_2_5G (0x7 << 28)
+#define IXGBE_KRM_PMD_FLX_MASK_ST20_SPEED_MASK (0x7 << 28)
+#define IXGBE_KRM_PMD_FLX_MASK_ST20_FW_AN_RESTART (1u << 31)
+