Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752734AbXKVCek (ORCPT ); Wed, 21 Nov 2007 21:34:40 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751003AbXKVCea (ORCPT ); Wed, 21 Nov 2007 21:34:30 -0500 Received: from rhun.apana.org.au ([64.62.148.172]:3123 "EHLO arnor.apana.org.au" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1750905AbXKVCe3 (ORCPT ); Wed, 21 Nov 2007 21:34:29 -0500 Date: Thu, 22 Nov 2007 10:34:03 +0800 From: Herbert Xu To: Jeff Garzik Cc: YOSHIFUJI Hideaki / =?utf-8?B?5ZCJ6Jek6Iux5piO?= , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, David Miller Subject: Re: [RFC/PATCH] SO_NO_CHECK for IPv6 Message-ID: <20071122023403.GA3409@gondor.apana.org.au> References: <20071121124532.GA17263@havoc.gtf.org> <20071121.222051.94402865.yoshfuji@linux-ipv6.org> <4744CAA4.50102@garzik.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4744CAA4.50102@garzik.org> User-Agent: Mutt/1.5.9i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 901 Lines: 21 On Wed, Nov 21, 2007 at 07:17:40PM -0500, Jeff Garzik wrote: > > For those interested, I am dealing with a UDP app that already does very > strong checksumming and encryption, so additional software checksumming > at the lower layers is quite simply a waste of CPU cycles. Hardware > checksumming is fine, as long as its "free." No matter how strong your underlying checksumming is it's not going to protect the IPv6 header is it :) Cheers, -- Visit Openswan at http://www.openswan.org/ Email: Herbert Xu ~{PmV>HI~} Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/