diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h b/drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h
index 9cc973f..e83c94b 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h
@@ -46,9 +46,11 @@ enum fw_retval {
 	FW_EFAULT		= 14,	/* bad address; fw bad */
 	FW_EBUSY		= 16,	/* resource busy */
 	FW_EEXIST		= 17,	/* file exists */
+	FW_ENODEV		= 19,	/* no such device */
 	FW_EINVAL		= 22,	/* invalid argument */
 	FW_ENOSPC		= 28,	/* no space left on device */
 	FW_ENOSYS		= 38,	/* functionality not implemented */
+	FW_ENODATA		= 61,	/* no data available */
 	FW_EPROTO		= 71,	/* protocol error */
 	FW_EADDRINUSE		= 98,	/* address already in use */
 	FW_EADDRNOTAVAIL	= 99,	/* cannot assigned requested address */
@@ -989,6 +991,7 @@ enum fw_params_param_dmaq {
 	FW_PARAMS_PARAM_DMAQ_EQ_CMPLIQID_MNGT = 0x10,
 	FW_PARAMS_PARAM_DMAQ_EQ_CMPLIQID_CTRL = 0x11,
 	FW_PARAMS_PARAM_DMAQ_EQ_SCHEDCLASS_ETH = 0x12,
+	FW_PARAMS_PARAM_DMAQ_EQ_DCBPRIO_ETH = 0x13,
 };
 
 #define FW_PARAMS_MNEM(x)      ((x) << 24)
@@ -1422,6 +1425,7 @@ struct fw_vi_enable_cmd {
 #define FW_VI_ENABLE_CMD_VIID(x) ((x) << 0)
 #define FW_VI_ENABLE_CMD_IEN(x) ((x) << 31)
 #define FW_VI_ENABLE_CMD_EEN(x) ((x) << 30)
+#define FW_VI_ENABLE_CMD_DCB_INFO(x) ((x) << 28)
 #define FW_VI_ENABLE_CMD_LED (1U << 29)
 
 /* VI VF stats offset definitions */
@@ -1594,6 +1598,9 @@ enum fw_port_action {
 	FW_PORT_ACTION_GET_PORT_INFO	= 0x0003,
 	FW_PORT_ACTION_L2_PPP_CFG	= 0x0004,
 	FW_PORT_ACTION_L2_DCB_CFG	= 0x0005,
+	FW_PORT_ACTION_DCB_READ_TRANS	= 0x0006,
+	FW_PORT_ACTION_DCB_READ_RECV	= 0x0007,
+	FW_PORT_ACTION_DCB_READ_DET	= 0x0008,
 	FW_PORT_ACTION_LOW_PWR_TO_NORMAL = 0x0010,
 	FW_PORT_ACTION_L1_LOW_PWR_EN	= 0x0011,
 	FW_PORT_ACTION_L2_WOL_MODE_EN	= 0x0012,
@@ -1637,6 +1644,14 @@ enum fw_port_dcb_type {
 	FW_PORT_DCB_TYPE_PRIORATE	= 0x02,
 	FW_PORT_DCB_TYPE_PFC		= 0x03,
 	FW_PORT_DCB_TYPE_APP_ID		= 0x04,
+	FW_PORT_DCB_TYPE_CONTROL	= 0x05,
+};
+
+enum fw_port_dcb_feature_state {
+	FW_PORT_DCB_FEATURE_STATE_PENDING = 0x0,
+	FW_PORT_DCB_FEATURE_STATE_SUCCESS = 0x1,
+	FW_PORT_DCB_FEATURE_STATE_ERROR	= 0x2,
+	FW_PORT_DCB_FEATURE_STATE_TIMEOUT = 0x3,
 };
 
 struct fw_port_cmd {
@@ -1648,9 +1663,11 @@ struct fw_port_cmd {
 			__be32 r;
 		} l1cfg;
 		struct fw_port_l2cfg {
-			__be16 ctlbf_to_ivlan0;
+			__u8   ctlbf;
+			__u8   ovlan3_to_ivlan0;
 			__be16 ivlantype;
-			__be32 txipg_pkd;
+			__be16 txipg_force_pinfo;
+			__be16 mtu;
 			__be16 ovlan0mask;
 			__be16 ovlan0type;
 			__be16 ovlan1mask;
@@ -1666,24 +1683,60 @@ struct fw_port_cmd {
 			__be16 acap;
 			__be16 mtu;
 			__u8   cbllen;
-			__u8   r9;
-			__be32 r10;
-			__be64 r11;
+			__u8   auxlinfo;
+			__u8   dcbxdis_pkd;
+			__u8   r8_lo[3];
+			__be64 r9;
 		} info;
-		struct fw_port_ppp {
-			__be32 pppen_to_ncsich;
-			__be32 r11;
-		} ppp;
-		struct fw_port_dcb {
-			__be16 cfg;
-			u8 up_map;
-			u8 sf_cfgrc;
-			__be16 prot_ix;
-			u8 pe7_to_pe0;
-			u8 numTCPFCs;
-			__be32 pgid0_to_pgid7;
-			__be32 numTCs_oui;
-			u8 pgpc[8];
+		struct fw_port_diags {
+			__u8   diagop;
+			__u8   r[3];
+			__be32 diagval;
+		} diags;
+		union fw_port_dcb {
+			struct fw_port_dcb_pgid {
+				__u8   type;
+				__u8   apply_pkd;
+				__u8   r10_lo[2];
+				__be32 pgid;
+				__be64 r11;
+			} pgid;
+			struct fw_port_dcb_pgrate {
+				__u8   type;
+				__u8   apply_pkd;
+				__u8   r10_lo[5];
+				__u8   num_tcs_supported;
+				__u8   pgrate[8];
+			} pgrate;
+			struct fw_port_dcb_priorate {
+				__u8   type;
+				__u8   apply_pkd;
+				__u8   r10_lo[6];
+				__u8   strict_priorate[8];
+			} priorate;
+			struct fw_port_dcb_pfc {
+				__u8   type;
+				__u8   pfcen;
+				__u8   r10[5];
+				__u8   max_pfc_tcs;
+				__be64 r11;
+			} pfc;
+			struct fw_port_app_priority {
+				__u8   type;
+				__u8   r10[2];
+				__u8   idx;
+				__u8   user_prio_map;
+				__u8   sel_field;
+				__be16 protocolid;
+				__be64 r12;
+			} app_priority;
+			struct fw_port_dcb_control {
+				__u8   type;
+				__u8   all_syncd_pkd;
+				__be16 pfc_state_to_app_state;
+				__be32 r11;
+				__be64 r12;
+			} control;
 		} dcb;
 	} u;
 };
@@ -1720,6 +1773,10 @@ struct fw_port_cmd {
 #define FW_PORT_CMD_MODTYPE_MASK 0x1f
 #define FW_PORT_CMD_MODTYPE_GET(x) (((x) >> 0) & FW_PORT_CMD_MODTYPE_MASK)
 
+#define FW_PORT_CMD_DCBXDIS (1U << 7)
+#define FW_PORT_CMD_APPLY (1U <<  7)
+#define FW_PORT_CMD_ALL_SYNCD (1U << 7)
+
 #define FW_PORT_CMD_PPPEN(x) ((x) << 31)
 #define FW_PORT_CMD_TPSRC(x) ((x) << 28)
 #define FW_PORT_CMD_NCSISRC(x) ((x) << 24)
