Index: head/sys/dev/sfxge/common/efx_regs_mcdi.h
===================================================================
--- head/sys/dev/sfxge/common/efx_regs_mcdi.h
+++ head/sys/dev/sfxge/common/efx_regs_mcdi.h
@@ -7304,6 +7304,8 @@
 #define	MC_CMD_INIT_TXQ_EXT_IN_FLAG_TSOV2_EN_WIDTH 1
 #define	MC_CMD_INIT_TXQ_EXT_IN_FLAG_CTPIO_LBN 13
 #define	MC_CMD_INIT_TXQ_EXT_IN_FLAG_CTPIO_WIDTH 1
+#define	MC_CMD_INIT_TXQ_EXT_IN_FLAG_CTPIO_UTHRESH_LBN 14
+#define	MC_CMD_INIT_TXQ_EXT_IN_FLAG_CTPIO_UTHRESH_WIDTH 1
 /* Owner ID to use if in buffer mode (zero if physical) */
 #define	MC_CMD_INIT_TXQ_EXT_IN_OWNER_ID_OFST 20
 #define	MC_CMD_INIT_TXQ_EXT_IN_OWNER_ID_LEN 4