From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH net-next 2/2] drivers/net/oki-semi: Donot recompute IP header checksum Date: Sat, 28 Apr 2012 22:00:22 -0400 (EDT) Message-ID: <20120428.220022.390443482939091529.davem@davemloft.net> References: <1335510073-14018-1-git-send-email-roy.qing.li@gmail.com> <1335510073-14018-2-git-send-email-roy.qing.li@gmail.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org To: roy.qing.li@gmail.com Return-path: Received: from shards.monkeyblade.net ([198.137.202.13]:54622 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755822Ab2D2CAZ (ORCPT ); Sat, 28 Apr 2012 22:00:25 -0400 In-Reply-To: <1335510073-14018-2-git-send-email-roy.qing.li@gmail.com> Sender: netdev-owner@vger.kernel.org List-ID: From: roy.qing.li@gmail.com Date: Fri, 27 Apr 2012 15:01:13 +0800 > From: RongQing.Li > > If I understand correct, NETIF_F_IP_CSUM only means the hardware > will compute the TCP/UDP checksum, IP checksum is always computed > in software > > So as a workround of hardware unable to compute small packages > checksum, do not need to compute IP header checksum. > > Signed-off-by: RongQing.Li Applied.