Index: head/sys/dev/bxe/bxe.c
===================================================================
--- head/sys/dev/bxe/bxe.c
+++ head/sys/dev/bxe/bxe.c
@@ -168,6 +168,12 @@
     },
     {
         BRCM_VENDORID,
+        CHIP_NUM_57840_2_20,
+        PCI_ANY_ID, PCI_ANY_ID,
+        "QLogic NetXtreme II BCM57840 2x20GbE"
+    },
+    {
+        BRCM_VENDORID,
         CHIP_NUM_57840_MF,
         PCI_ANY_ID, PCI_ANY_ID,
         "QLogic NetXtreme II BCM57840 MF 10GbE"