Index: if_ix.c
===================================================================
RCS file: /cvs/src/sys/dev/pci/if_ix.c,v
retrieving revision 1.153
diff -u -p -r1.153 if_ix.c
--- if_ix.c	21 Feb 2019 03:16:47 -0000	1.153
+++ if_ix.c	21 Feb 2019 03:26:26 -0000
@@ -2902,7 +2902,8 @@ next_desc:
 	}
 	rxr->next_to_check = i;
 
-	if_input(ifp, &ml);
+	if (ifiq_input(&ifp->if_rcv, &ml, if_rxr_cwm(&rxr->rx_ring)))
+		if_rxr_livelocked(&rxr->rx_ring);
 
 	if (!(staterr & IXGBE_RXD_STAT_DD))
 		return FALSE;