diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_ethtool.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_ethtool.c
index 541419b084ac6bbb0dea512e71008df6d6525e14..7852d98bad75810d357d4155bbf129149cf88621 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_ethtool.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_ethtool.c
@@ -517,7 +517,8 @@ static int from_fw_port_mod_type(enum fw_port_type port_type,
 		else
 			return PORT_OTHER;
 	} else if (port_type == FW_PORT_TYPE_KR4_100G ||
-		   port_type == FW_PORT_TYPE_KR_SFP28) {
+		   port_type == FW_PORT_TYPE_KR_SFP28 ||
+		   port_type == FW_PORT_TYPE_KR_XLAUI) {
 		return PORT_NONE;
 	}
 
@@ -645,6 +646,13 @@ static void fw_caps_to_lmm(enum fw_port_type port_type,
 		FW_CAPS_TO_LMM(SPEED_25G, 25000baseKR_Full);
 		break;
 
+	case FW_PORT_TYPE_KR_XLAUI:
+		SET_LMM(Backplane);
+		FW_CAPS_TO_LMM(SPEED_1G, 1000baseKX_Full);
+		FW_CAPS_TO_LMM(SPEED_10G, 10000baseKR_Full);
+		FW_CAPS_TO_LMM(SPEED_40G, 40000baseKR4_Full);
+		break;
+
 	case FW_PORT_TYPE_CR2_QSFP:
 		SET_LMM(FIBRE);
 		SET_LMM(50000baseSR2_Full);
diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
index 44930ca06c4bd1860609fb69da04224739b59e19..f2a60e01d56301a9930f358e3dbc8be520ed5c28 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
@@ -6084,6 +6084,7 @@ const char *t4_get_port_type_description(enum fw_port_type port_type)
 		"CR2_QSFP",
 		"SFP28",
 		"KR_SFP28",
+		"KR_XLAUI"
 	};
 
 	if (port_type < ARRAY_SIZE(port_type_description))
diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h b/drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h
index 01f5a5ec16fadda1a9eb66bf74410c4967c01577..427f252a9087d001f7dc0f5d0b06730d1d48ac22 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h
@@ -2829,6 +2829,7 @@ enum fw_port_type {
 	FW_PORT_TYPE_CR2_QSFP,
 	FW_PORT_TYPE_SFP28,
 	FW_PORT_TYPE_KR_SFP28,
+	FW_PORT_TYPE_KR_XLAUI,
 
 	FW_PORT_TYPE_NONE = FW_PORT_CMD_PTYPE_M
 };
diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c b/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c
index b48361cfdc78f98f4b4159ba8f76cbcaf1cedcc7..96f69f80dc99a2bc4597cd5bd98ecf369306c711 100644
--- a/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c
@@ -1229,7 +1229,8 @@ static int from_fw_port_mod_type(enum fw_port_type port_type,
 		else
 			return PORT_OTHER;
 	} else if (port_type == FW_PORT_TYPE_KR4_100G ||
-		   port_type == FW_PORT_TYPE_KR_SFP28) {
+		   port_type == FW_PORT_TYPE_KR_SFP28 ||
+		   port_type == FW_PORT_TYPE_KR_XLAUI) {
 		return PORT_NONE;
 	}
 
@@ -1323,6 +1324,13 @@ static void fw_caps_to_lmm(enum fw_port_type port_type,
 		SET_LMM(25000baseKR_Full);
 		break;
 
+	case FW_PORT_TYPE_KR_XLAUI:
+		SET_LMM(Backplane);
+		FW_CAPS_TO_LMM(SPEED_1G, 1000baseKX_Full);
+		FW_CAPS_TO_LMM(SPEED_10G, 10000baseKR_Full);
+		FW_CAPS_TO_LMM(SPEED_40G, 40000baseKR4_Full);
+		break;
+
 	case FW_PORT_TYPE_CR2_QSFP:
 		SET_LMM(FIBRE);
 		SET_LMM(50000baseSR2_Full);