From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751103AbWI2XPS (ORCPT ); Fri, 29 Sep 2006 19:15:18 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750951AbWI2XPS (ORCPT ); Fri, 29 Sep 2006 19:15:18 -0400 Received: from e31.co.us.ibm.com ([32.97.110.149]:54493 "EHLO e31.co.us.ibm.com") by vger.kernel.org with ESMTP id S1750862AbWI2XPQ (ORCPT ); Fri, 29 Sep 2006 19:15:16 -0400 Date: Fri, 29 Sep 2006 18:15:11 -0500 To: jeff@garzik.org, akpm@osdl.org Cc: netdev@vger.kernel.org, James K Lewis , linux-kernel@vger.kernel.org, Arnd Bergmann , linuxppc-dev@ozlabs.org Subject: [PATCH 1/6]: powerpc/cell spidernet burst alignment patch. Message-ID: <20060929231511.GI6433@austin.ibm.com> References: <20060929230552.GG6433@austin.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20060929230552.GG6433@austin.ibm.com> User-Agent: Mutt/1.5.11 From: linas@austin.ibm.com (Linas Vepstas) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@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 Cc: 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 2006-09-29 14:11:21.000000000 -0500 +++ linux-2.6.18-mm2/drivers/net/spider_net.h 2006-09-29 16:33:49.000000000 -0500 @@ -209,7 +209,7 @@ 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