From mboxrd@z Thu Jan 1 00:00:00 1970 From: frank.blaschka@de.ibm.com Subject: [patch 5/5] [PATCH] qeth: change checksumming default for HiperSockets Date: Tue, 09 Mar 2010 07:36:57 +0100 Message-ID: <20100309063937.049755000@de.ibm.com> References: <20100309063652.706791000@de.ibm.com> Cc: netdev@vger.kernel.org, linux-s390@vger.kernel.org To: davem@davemloft.net Return-path: 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 Content-Disposition: inline; filename=606-qeth-checksum-default.diff Sender: netdev-owner@vger.kernel.org List-ID: 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(-) --- 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;