From patchwork Tue Mar 9 06:36:57 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: frank.blaschka@de.ibm.com X-Patchwork-Id: 47150 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 77AC1B7D2E for ; Tue, 9 Mar 2010 17:39:51 +1100 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752514Ab0CIGjq (ORCPT ); Tue, 9 Mar 2010 01:39:46 -0500 Received: from mtagate4.de.ibm.com ([195.212.17.164]:43706 "EHLO mtagate4.de.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752158Ab0CIGjj (ORCPT ); Tue, 9 Mar 2010 01:39:39 -0500 Received: from d12nrmr1607.megacenter.de.ibm.com (d12nrmr1607.megacenter.de.ibm.com [9.149.167.49]) by mtagate4.de.ibm.com (8.13.1/8.13.1) with ESMTP id o296dbHb010488; Tue, 9 Mar 2010 06:39:37 GMT Received: from d12av02.megacenter.de.ibm.com (d12av02.megacenter.de.ibm.com [9.149.165.228]) by d12nrmr1607.megacenter.de.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id o296dbZU1577132; Tue, 9 Mar 2010 07:39:37 +0100 Received: from d12av02.megacenter.de.ibm.com (loopback [127.0.0.1]) by d12av02.megacenter.de.ibm.com (8.12.11.20060308/8.13.3) with ESMTP id o296dbPZ019284; Tue, 9 Mar 2010 07:39:37 +0100 Received: from tuxmaker.boeblingen.de.ibm.com (tuxmaker.boeblingen.de.ibm.com [9.152.85.9]) by d12av02.megacenter.de.ibm.com (8.12.11.20060308/8.12.11) with ESMTP id o296dbIs019279; Tue, 9 Mar 2010 07:39:37 +0100 Received: by tuxmaker.boeblingen.de.ibm.com (Postfix, from userid 24631) id 30E7B122422D; Tue, 9 Mar 2010 07:39:37 +0100 (CET) Message-Id: <20100309063937.049755000@de.ibm.com> User-Agent: quilt/0.47-1 Date: Tue, 09 Mar 2010 07:36:57 +0100 From: frank.blaschka@de.ibm.com To: davem@davemloft.net Cc: netdev@vger.kernel.org, linux-s390@vger.kernel.org Subject: [patch 5/5] [PATCH] qeth: change checksumming default for HiperSockets References: <20100309063652.706791000@de.ibm.com> Content-Disposition: inline; filename=606-qeth-checksum-default.diff Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Frank Blaschka Deactivate inbound checksumming on HiperSocket is a valid but dangerous optimization in case the frame is routed from an OSA network to an HiperSockets network. To go for sure we change the default to software checksumming. Signed-off-by: Frank Blaschka --- drivers/s390/net/qeth_core_main.c | 2 -- 1 file changed, 2 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html --- a/drivers/s390/net/qeth_core_main.c +++ b/drivers/s390/net/qeth_core_main.c @@ -1114,8 +1114,6 @@ static int qeth_setup_card(struct qeth_c card->ipato.enabled = 0; card->ipato.invert4 = 0; card->ipato.invert6 = 0; - if (card->info.type == QETH_CARD_TYPE_IQD) - card->options.checksum_type = NO_CHECKSUMMING; /* init QDIO stuff */ qeth_init_qdio_info(card); return 0;