diff -uNr bcm5700-2.2.19.orig/src/b57um.c bcm5700-2.2.19/src/b57um.c
--- bcm5700-2.2.19.orig/src/b57um.c	Mon Apr  8 16:03:15 2002
+++ bcm5700-2.2.19/src/b57um.c	Mon Mar  3 21:51:00 2003
@@ -2470,7 +2470,7 @@
 	}
 
 	if (pUmDevice->dev->mtu > 1500) {
-		pDevice->RxMtu = pUmDevice->dev->mtu + 14;
+		pDevice->RxMtu = pUmDevice->dev->mtu + 18;
 	}
 
 	if (T3_ASIC_REV(pDevice->ChipRevId) != T3_ASIC_REV_5700) {
@@ -2502,7 +2502,7 @@
 	}
 	pDevice->RxStdDescCnt = rx_std_desc_cnt[index];
 
-	if (mtu[index] <= 1514) {
+	if (mtu[index] <= 1518) {
 		rx_jumbo_desc_cnt[index] = 0;
 	}
 	else if ((rx_jumbo_desc_cnt[index] == 0) ||
diff -uNr bcm5700-2.2.19.orig/src/lm.h bcm5700-2.2.19/src/lm.h
--- bcm5700-2.2.19.orig/src/lm.h	Mon Apr  8 16:03:15 2002
+++ bcm5700-2.2.19/src/lm.h	Mon Mar  3 21:48:40 2003
@@ -121,10 +121,10 @@
 #define ETHERNET_ADDRESS_SIZE           6
 #define ETHERNET_PACKET_HEADER_SIZE     14
 #define MIN_ETHERNET_PACKET_SIZE        64      /* with 4 byte crc. */
-#define MAX_ETHERNET_PACKET_SIZE        1518    /* with 4 byte crc. */
+#define MAX_ETHERNET_PACKET_SIZE        1522    /* with 4 byte crc. and 4 byte vlan */
 #define MIN_ETHERNET_PACKET_SIZE_NO_CRC 60
-#define MAX_ETHERNET_PACKET_SIZE_NO_CRC 1514
-#define MAX_ETHERNET_PACKET_BUFFER_SIZE 1536    /* A nice even number. */
+#define MAX_ETHERNET_PACKET_SIZE_NO_CRC 1518
+#define MAX_ETHERNET_PACKET_BUFFER_SIZE 1540    /* A nice even number. */
 
 #ifndef LM_MAX_MC_TABLE_SIZE
 #define LM_MAX_MC_TABLE_SIZE            32
diff -uNr bcm5700-2.2.19.orig/src/tigon3.h bcm5700-2.2.19/src/tigon3.h
--- bcm5700-2.2.19.orig/src/tigon3.h	Mon Apr  8 16:03:15 2002
+++ bcm5700-2.2.19/src/tigon3.h	Mon Mar  3 21:49:38 2003
@@ -148,12 +148,12 @@
 #endif /* T3_JUMBO_RCV_RCB_ENTRY_COUNT */
 #define T3_JUMBO_RCV_RCB_ENTRY_COUNT_MASK   (T3_JUMBO_RCV_RCB_ENTRY_COUNT-1)
 
-#define MAX_JUMBO_RCV_BUFFER_SIZE           (10 * 1024) /* > 1514 */
-#define DEFAULT_JUMBO_RCV_BUFFER_SIZE       (4 * 1024) /* > 1514 */
+#define MAX_JUMBO_RCV_BUFFER_SIZE           (10 * 1024) /* > 1518 */
+#define DEFAULT_JUMBO_RCV_BUFFER_SIZE       (4 * 1024) /* > 1518 */
 #define DEFAULT_JUMBO_RCV_DESC_COUNT        128     /* Must be < 256. */
 
-#define MAX_JUMBO_TX_BUFFER_SIZE            (8 * 1024) /* > 1514 */
-#define DEFAULT_JUMBO_TX_BUFFER_SIZE        (4 * 1024) /* > 1514 */
+#define MAX_JUMBO_TX_BUFFER_SIZE            (8 * 1024) /* > 1518 */
+#define DEFAULT_JUMBO_TX_BUFFER_SIZE        (4 * 1024) /* > 1518 */
 
 /* Number of receive return RCBs.  Maybe 1-16 but for now, only support one. */
 #define T3_MAX_RCV_RETURN_RCB_COUNT         16