From mboxrd@z Thu Jan 1 00:00:00 1970 From: linas@austin.ibm.com (Linas Vepstas) Subject: [PATCH 2/21]: powerpc/cell spidernet burst alignment patch. Date: Tue, 10 Oct 2006 15:57:26 -0500 Message-ID: <20061010205726.GY4381@austin.ibm.com> References: <20061010204946.GW4381@austin.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: jeff@garzik.org, Arnd Bergmann , netdev@vger.kernel.org, James K Lewis , linux-kernel@vger.kernel.org, linuxppc-dev@ozlabs.org Return-path: Received: from e6.ny.us.ibm.com ([32.97.182.146]:61660 "EHLO e6.ny.us.ibm.com") by vger.kernel.org with ESMTP id S1030350AbWJJU5h (ORCPT ); Tue, 10 Oct 2006 16:57:37 -0400 To: akpm@osdl.org Content-Disposition: inline In-Reply-To: <20061010204946.GW4381@austin.ibm.com> Sender: netdev-owner@vger.kernel.org List-Id: netdev.vger.kernel.org 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 Signed-off-by: James K Lewis Signed-off-by: Linas Vepstas Acked-by: Arnd Bergmann ---- 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