cxgb4 : Makefile & Kconfig changes for DCBx support

Signed-off-by: NAnish Bhatt <anish@chelsio.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/chelsio/Kconfig

@@ -86,6 +86,17 @@ config CHELSIO_T4
 	  To compile this driver as a module choose M here; the module
 	  will be called cxgb4.
 
+config CHELSIO_T4_DCB
+	bool "Data Center Bridging (DCB) Support for Chelsio T4/T5 cards"
+	default n
+	depends on CHELSIO_T4 && DCB
+	---help---
+	  Enable DCB support through rtNetlink interface.
+	  Say Y here if you want to enable Data Center Bridging (DCB) support
+	  in the driver.
+
+	  If unsure, say N.
+
 config CHELSIO_T4VF
 	tristate "Chelsio Communications T4/T5 Virtual Function Ethernet support"
 	depends on PCI

drivers/net/ethernet/chelsio/cxgb4/Makefile

@@ -5,3 +5,4 @@
 obj-$(CONFIG_CHELSIO_T4) += cxgb4.o
 
 cxgb4-objs := cxgb4_main.o l2t.o t4_hw.o sge.o
+cxgb4-$(CONFIG_CHELSIO_T4_DCB) +=  cxgb4_dcb.o