Index: if_bge.c
===================================================================
RCS file: /data/fbsd-cvs/ncvs/src/sys/dev/bge/if_bge.c,v
retrieving revision 1.63
diff -u -r1.63 if_bge.c
--- if_bge.c	13 Jan 2004 11:31:09 -0000	1.63
+++ if_bge.c	20 Jan 2004 14:49:47 -0000
@@ -2624,8 +2624,9 @@
 bge_rxeof(sc)
 	struct bge_softc *sc;
 {
+	struct mbuf *mqueue, *mqueue_tail;
 	struct ifnet *ifp;
-	int stdcnt = 0, jumbocnt = 0;
+	int stdcnt = 0, jumbocnt = 0, queuecnt;
 
 	BGE_LOCK_ASSERT(sc);
 
@@ -2641,6 +2642,8 @@
 		    BUS_DMASYNC_POSTREAD);
 	}
 
+	mqueue = mqueue_tail = NULL;
+	queuecnt = 0;
 	while(sc->bge_rx_saved_considx !=
 	    sc->bge_ldata.bge_status_block->bge_idx[0].bge_rx_prod_idx) {
 		struct bge_rx_bd	*cur_rx;
@@ -2741,9 +2744,27 @@
 		if (have_tag)
 			VLAN_INPUT_TAG(ifp, m, vlan_tag, continue);
 
-		BGE_UNLOCK(sc);
-		(*ifp->if_input)(ifp, m);
-		BGE_LOCK(sc);
+		if (mqueue != NULL) {
+			mqueue_tail->m_nextpkt = m;
+			mqueue_tail = m;
+		} else
+			mqueue = mqueue_tail = m;
+		queuecnt++;
+	}
+	/*
+	 * Do less work by defering delivery to the network stack and
+	 * locking/unlocking only once per interrupt.  XXX: Bound the
+	 * size of queuecnt to some fixed value?  Measure latency?
+	 */
+	if (mqueue != NULL) {
+		BGE_UNLOCK(sx);
+		while (mqueue != NULL) {
+			m = mqueue;
+			mqueue = mqueue->m_nextpkt;
+			(*ifp->if_input)(ifp, m);
+			queuecnt--;
+		}
+		BGE_LOCK(sx);
 	}
 
 	bus_dmamap_sync(sc->bge_cdata.bge_rx_return_ring_tag,