-diff -ur linux.old/drivers/net/via-rhine.c linux.dev/drivers/net/via-rhine.c
---- linux.old/drivers/net/via-rhine.c 2006-11-29 22:57:37.000000000 +0100
-+++ linux.dev/drivers/net/via-rhine.c 2006-12-14 03:39:01.000000000 +0100
-@@ -33,6 +33,7 @@
+--- linux-2.6.23.12/drivers/net/via-rhine.c 2007-12-18 22:55:57.000000000 +0100
++++ linux-2.6.23.12.new/drivers/net/via-rhine.c 2008-01-11 08:58:58.000000000 +0100
+@@ -33,6 +33,8 @@
#define DRV_VERSION "1.4.3"
#define DRV_RELDATE "2007-03-06"
+#define PKT_ALIGN 1
++
/* A few user-configurable values.
These may be modified when a driver module is loaded. */
-@@ -40,9 +41,11 @@
+@@ -40,6 +42,7 @@
static int debug = 1; /* 1 normal messages, 0 quiet .. 7 verbose. */
static int max_interrupt_work = 20;
+#ifndef PKT_ALIGN
/* Set the copy breakpoint for the copy-only-tiny-frames scheme.
Setting to > 1518 effectively disables this feature. */
+ #if defined(__alpha__) || defined(__arm__) || defined(__hppa__) \
+@@ -49,6 +52,7 @@
+ #else
static int rx_copybreak;
-+#endif
+ #endif
++#endif /* PKT_ALIGN */
/* Work-around for broken BIOSes: they are unable to get the chip back out of
power state D3 so PXE booting fails. bootparam(7): via-rhine.avoid_D3=1 */
-@@ -105,6 +108,7 @@
+@@ -111,6 +115,7 @@
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/uaccess.h>
#include <linux/dmi.h>
/* These identify the driver base version and may not be removed. */
-@@ -124,12 +128,14 @@
+@@ -130,12 +135,14 @@
module_param(max_interrupt_work, int, 0);
module_param(debug, int, 0);
/*
Theory of Operation
-@@ -924,7 +930,7 @@
+@@ -927,7 +934,7 @@
/* Fill in the Rx buffers. Handle allocation failure gracefully. */
for (i = 0; i < RX_RING_SIZE; i++) {
rp->rx_skbuff[i] = skb;
if (skb == NULL)
break;
-@@ -1482,6 +1488,9 @@
+@@ -1484,7 +1491,9 @@
+ struct sk_buff *skb;
/* Length should omit the CRC */
int pkt_len = data_size - 4;
-
+-
+#ifdef PKT_ALIGN
+ int i;
+#else
/* Check if the packet is long enough to accept without
copying to a minimally-sized skbuff. */
if (pkt_len < rx_copybreak &&
-@@ -1501,7 +1510,9 @@
+@@ -1503,7 +1512,9 @@
rp->rx_skbuff_dma[entry],
rp->rx_buf_sz,
PCI_DMA_FROMDEVICE);
skb = rp->rx_skbuff[entry];
if (skb == NULL) {
printk(KERN_ERR "%s: Inconsistent Rx "
-@@ -1515,6 +1526,14 @@
+@@ -1517,6 +1528,14 @@
rp->rx_skbuff_dma[entry],
rp->rx_buf_sz,
PCI_DMA_FROMDEVICE);
-+#ifdef PKT_ALIGN
++#ifdef PKT_ALIGN
+ /* align the data to the ip header - should be faster than copying the entire packet */
+ for (i = pkt_len - (pkt_len % 4); i >= 0; i -= 4) {
+ put_unaligned(*((u32 *) (skb->data + i)), (u32 *) (skb->data + i + 2));
+ }
+ skb->data += 2;
+ skb->tail += 2;
-+#endif
++#endif
}
skb->protocol = eth_type_trans(skb, dev);
#ifdef CONFIG_VIA_RHINE_NAPI
-