From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from e4.ny.us.ibm.com (e4.ny.us.ibm.com [32.97.182.144]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "e4.ny.us.ibm.com", Issuer "Equifax" (verified OK)) by ozlabs.org (Postfix) with ESMTP id 1208767BBB for ; Sat, 12 Aug 2006 03:06:34 +1000 (EST) Received: from d01relay04.pok.ibm.com (d01relay04.pok.ibm.com [9.56.227.236]) by e4.ny.us.ibm.com (8.12.11.20060308/8.12.11) with ESMTP id k7BH6V5J021425 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=FAIL) for ; Fri, 11 Aug 2006 13:06:31 -0400 Received: from d01av01.pok.ibm.com (d01av01.pok.ibm.com [9.56.224.215]) by d01relay04.pok.ibm.com (8.13.6/NCO/VER7.0) with ESMTP id k7BH6Vok279380 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Fri, 11 Aug 2006 13:06:31 -0400 Received: from d01av01.pok.ibm.com (loopback [127.0.0.1]) by d01av01.pok.ibm.com (8.12.11.20060308/8.13.3) with ESMTP id k7BH6U1g026846 for ; Fri, 11 Aug 2006 13:06:31 -0400 Date: Fri, 11 Aug 2006 12:06:30 -0500 To: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linuxppc-dev@ozlabs.org Subject: [PATCH 1/4]: powerpc/cell spidernet burst alignment patch. Message-ID: <20060811170630.GI10638@austin.ibm.com> References: <20060811170337.GH10638@austin.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <20060811170337.GH10638@austin.ibm.com> From: linas@austin.ibm.com (Linas Vepstas) Cc: Jens Osterkamp , James K Lewis , Arnd Bergmann List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , This patch increases the Burst Address alignment from 64 to 1024 in the Spidernet driver. This improves transmit performance for large packets from about 100Mbps to 300-400Mbps. Signed-off-by: James K Lewis Signed-off-by: Linas Vepstas Cc: Utz Bacher Cc: Jens Osterkamp Cc: Arnd Bergmann ---- drivers/net/spider_net.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) Index: linux-2.6.18-rc3-mm2/drivers/net/spider_net.h =================================================================== --- linux-2.6.18-rc3-mm2.orig/drivers/net/spider_net.h 2006-08-07 14:37:10.000000000 -0500 +++ linux-2.6.18-rc3-mm2/drivers/net/spider_net.h 2006-08-11 11:09:57.000000000 -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