bnx2x: add DCB support

Adding DCB initialization and handling on 57712 FW/HW

Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: Shmulik Ravid-Rabinovitz <shmulikr@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/bnx2x/bnx2x_cmn.c b/drivers/net/bnx2x/bnx2x_cmn.c
index 10eef54..710ce5d 100644
--- a/drivers/net/bnx2x/bnx2x_cmn.c
+++ b/drivers/net/bnx2x/bnx2x_cmn.c
@@ -1371,6 +1371,8 @@
 		}
 	}
 
+	bnx2x_dcbx_init(bp);
+
 	bp->state = BNX2X_STATE_OPENING_WAIT4_PORT;
 
 	rc = bnx2x_func_start(bp);