diff --git a/sys/arch/macppc/dev/if_bm.c b/sys/arch/macppc/dev/if_bm.c
index 0b0aad6f3fe6..f26cc7486101 100644
--- a/sys/arch/macppc/dev/if_bm.c
+++ b/sys/arch/macppc/dev/if_bm.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: if_bm.c,v 1.24 2005/01/26 20:51:47 kleink Exp $	*/
+/*	$NetBSD: if_bm.c,v 1.25 2005/01/30 19:13:08 thorpej Exp $	*/
 
 /*-
  * Copyright (C) 1998, 1999, 2000 Tsubai Masanari.  All rights reserved.
@@ -27,7 +27,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_bm.c,v 1.24 2005/01/26 20:51:47 kleink Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_bm.c,v 1.25 2005/01/30 19:13:08 thorpej Exp $");
 
 #include "opt_inet.h"
 #include "opt_ns.h"
@@ -512,8 +512,11 @@ bmac_rint(v)
 		/* XXX Sometimes bmac reads one extra byte. */
 		if (datalen == ETHER_MAX_LEN + 1)
 			datalen--;
-		m = bmac_get(sc, data, datalen);
 
+		/* Trim the CRC. */
+		datalen -= ETHER_CRC_LEN;
+
+		m = bmac_get(sc, data, datalen);
 		if (m == NULL) {
 			ifp->if_ierrors++;
 			goto next;
@@ -682,7 +685,6 @@ bmac_get(sc, pkt, totlen)
 	MGETHDR(m, M_DONTWAIT, MT_DATA);
 	if (m == 0)
 		return 0;
-	m->m_flags |= M_HASFCS;
 	m->m_pkthdr.rcvif = &sc->sc_if;
 	m->m_pkthdr.len = totlen;
 	len = MHLEN;
diff --git a/sys/arch/next68k/dev/mb8795.c b/sys/arch/next68k/dev/mb8795.c
index 7dad39adde08..50ddc5dfd13d 100644
--- a/sys/arch/next68k/dev/mb8795.c
+++ b/sys/arch/next68k/dev/mb8795.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: mb8795.c,v 1.35 2005/01/19 01:58:21 chs Exp $	*/
+/*	$NetBSD: mb8795.c,v 1.36 2005/01/30 19:10:16 thorpej Exp $	*/
 /*
  * Copyright (c) 1998 Darrin B. Jewell
  * All rights reserved.
@@ -30,7 +30,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: mb8795.c,v 1.35 2005/01/19 01:58:21 chs Exp $");
+__KERNEL_RCSID(0, "$NetBSD: mb8795.c,v 1.36 2005/01/30 19:10:16 thorpej Exp $");
 
 #include "opt_inet.h"
 #include "opt_ccitt.h"
@@ -327,8 +327,8 @@ mb8795_rint(struct mb8795_softc *sc)
 		s = spldma();
 
 		while ((m = MBDMA_RX_MBUF (sc))) {
-			m->m_pkthdr.len = m->m_len;
-			m->m_flags |= M_HASFCS;
+			/* CRC is included with the packet; trim it. */
+			m->m_pkthdr.len = m->m_len = m->m_len - ETHER_CRC_LEN;
 			m->m_pkthdr.rcvif = ifp;
 			
 			/* Find receive length, keep crc */
diff --git a/sys/arch/powerpc/ibm4xx/dev/if_emac.c b/sys/arch/powerpc/ibm4xx/dev/if_emac.c
index e088d56df414..8c410de012df 100644
--- a/sys/arch/powerpc/ibm4xx/dev/if_emac.c
+++ b/sys/arch/powerpc/ibm4xx/dev/if_emac.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: if_emac.c,v 1.21 2005/01/21 15:19:09 simonb Exp $	*/
+/*	$NetBSD: if_emac.c,v 1.22 2005/01/30 19:03:23 thorpej Exp $	*/
 
 /*
  * Copyright 2001, 2002 Wasabi Systems, Inc.
@@ -36,7 +36,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_emac.c,v 1.21 2005/01/21 15:19:09 simonb Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_emac.c,v 1.22 2005/01/30 19:03:23 thorpej Exp $");
 
 #include "bpfilter.h"
 
@@ -1341,7 +1341,7 @@ emac_rxeob_intr(void *arg)
 		 * No errors; receive the packet.  Note, the 405GP emac
 		 * includes the CRC with every packet.
 		 */
-		len = sc->sc_rxdescs[i].md_data_len;
+		len = sc->sc_rxdescs[i].md_data_len - ETHER_CRC_LEN;
 
 		/*
 		 * If the packet is small enough to fit in a
@@ -1379,7 +1379,6 @@ emac_rxeob_intr(void *arg)
 		}
 
 		ifp->if_ipackets++;
-		m->m_flags |= M_HASFCS;
 		m->m_pkthdr.rcvif = ifp;
 		m->m_pkthdr.len = m->m_len = len;
 
diff --git a/sys/arch/sgimips/mace/if_mec.c b/sys/arch/sgimips/mace/if_mec.c
index 2ff23fd36ff4..05fc49cebcb8 100644
--- a/sys/arch/sgimips/mace/if_mec.c
+++ b/sys/arch/sgimips/mace/if_mec.c
@@ -1,4 +1,4 @@
-/* $NetBSD: if_mec.c,v 1.3 2004/11/24 17:31:58 tsutsui Exp $ */
+/* $NetBSD: if_mec.c,v 1.4 2005/01/30 19:05:56 thorpej Exp $ */
 
 /*
  * Copyright (c) 2004 Izumi Tsutsui.
@@ -64,7 +64,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_mec.c,v 1.3 2004/11/24 17:31:58 tsutsui Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_mec.c,v 1.4 2005/01/30 19:05:56 thorpej Exp $");
 
 #include "opt_ddb.h"
 #include "bpfilter.h"
@@ -1344,6 +1344,12 @@ mec_rxintr(struct mec_softc *sc)
 			goto dropit;
 		}
 
+		/*
+		 * The MEC includes the CRC with every packet.  Trim
+		 * it off here.
+		 */
+		len -= ETHER_CRC_LEN;
+
 		/*
 		 * now allocate an mbuf (and possibly a cluster) to hold
 		 * the received packet.
@@ -1381,7 +1387,6 @@ mec_rxintr(struct mec_softc *sc)
 
 		m->m_pkthdr.rcvif = ifp;
 		m->m_pkthdr.len = m->m_len = len;
-		m->m_flags |= M_HASFCS;
 
 		ifp->if_ipackets++;