linux-kernel - [PATCH 2/21]: powerpc/cell spidernet burst alignment patch.

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Date:	Tue, 10 Oct 2006 15:57:26 -0500
From:	linas@...tin.ibm.com (Linas Vepstas)
To:	akpm@...l.org
Cc:	jeff@...zik.org, Arnd Bergmann <arnd@...db.de>,
	netdev@...r.kernel.org, James K Lewis <jklewis@...ibm.com>,
	linux-kernel@...r.kernel.org, linuxppc-dev@...abs.org
Subject:  [PATCH 2/21]: powerpc/cell spidernet burst alignment patch.


This patch increases the Burst Address alignment from 64 to 1024 in the
Spidernet driver. This improves transmit performance for large packets.

From: James K Lewis <jklewis@...ibm.com>
Signed-off-by: James K Lewis <jklewis@...ibm.com>
Signed-off-by: Linas Vepstas <linas@...tin.ibm.com>
Acked-by: Arnd Bergmann <arnd@...db.de>

----
 drivers/net/spider_net.h |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Index: linux-2.6.18-mm2/drivers/net/spider_net.h
===================================================================
--- linux-2.6.18-mm2.orig/drivers/net/spider_net.h	2006-10-10 12:20:07.000000000 -0500
+++ linux-2.6.18-mm2/drivers/net/spider_net.h	2006-10-10 12:20:55.000000000 -0500
@@ -211,7 +211,7 @@ extern char spider_net_driver_name[];
 #define SPIDER_NET_DMA_RX_FEND_VALUE	0x00030003
 /* to set TX_DMA_EN */
 #define SPIDER_NET_TX_DMA_EN		0x80000000
-#define SPIDER_NET_GDTDCEIDIS		0x00000002
+#define SPIDER_NET_GDTDCEIDIS		0x00000302
 #define SPIDER_NET_DMA_TX_VALUE		SPIDER_NET_TX_DMA_EN | \
 					SPIDER_NET_GDTDCEIDIS
 #define SPIDER_NET_DMA_TX_FEND_VALUE	0x00030003
-
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