--- if_ep.c.old	Wed Feb 21 22:05:09 2001
+++ if_ep.c	Wed Feb 21 23:25:33 2001
@@ -522,6 +522,27 @@
      * fifo.
      */
 readcheck:
+
+    /*
+     * Check if the card is wedged. The 3c509 can apparently get into a mode
+     * where both the fifo status bit and the ERR_RX_INCOMPLETE bit are set.
+     * We check for this here and reset the adapter. It happens when there is
+     * a lot of broadcast traffic on the cable.
+     */
+    if ((inw(BASE + EP_W1_RX_STATUS) & ERR_RX_INCOMPLETE) != 0) {
+	int fifost;
+
+	GO_WINDOW(4);
+	fifost = inw(BASE + EP_W4_FIFO_DIAG);
+	GO_WINDOW(1);
+	if (fifost & 0x1800) {
+		printf("if_ep: !!! Card wedged, resetting !!!\n");
+		s = splhigh(); /* XXX */
+		ep_if_init(sc);
+		splx(s); /* XXX */
+	}
+    }
+
     if (inw(BASE + EP_W1_RX_STATUS) & RX_BYTES_MASK) {
 	/*
 	 * we check if we have packets left, in that case we prepare to come
@@ -744,6 +765,24 @@
 
     if (status & ERR_RX_INCOMPLETE) {	/* we haven't received the complete
 					 * packet */
+        int fifost, s;
+
+	/*
+	 * If the fifo overrun bits are also set (includ. fifo status overrun),
+	 * then the card has wedged and we need to reset it.
+	 */
+	GO_WINDOW(4);
+	fifost = inw(BASE + EP_W4_FIFO_DIAG);
+	GO_WINDOW(1);
+	if (fifost & 0x1800) {
+	    printf("if_ep: !!! Card wedged, resetting !!!\n");
+	    s = splhigh(); /* XXX */
+	    ep_if_init(sc);
+	    splx(s); /* XXX */
+
+	    goto read_again;
+	}
+
 	sc->mcur = m;
 #ifdef EP_LOCAL_STATS
 	sc->rx_no_first++;	/* to know how often we come here */