From mboxrd@z Thu Jan 1 00:00:00 1970 From: Herbert Xu Subject: Re: incorrect cksum with tcp/udp on lo with 2.6.20/2.6.21/2.6.22 Date: Tue, 2 Oct 2007 22:17:49 +0800 Message-ID: <20071002141749.GA31978@gondor.apana.org.au> References: <20070924013005.GB22054@gondor.apana.org.au> <20071002104033.GA30281@gondor.apana.org.au> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: netdev@vger.kernel.org To: Krzysztof Oledzki Return-path: Received: from rhun.apana.org.au ([64.62.148.172]:2950 "EHLO arnor.apana.org.au" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751300AbXJBORx (ORCPT ); Tue, 2 Oct 2007 10:17:53 -0400 Content-Disposition: inline In-Reply-To: Sender: netdev-owner@vger.kernel.org List-Id: netdev.vger.kernel.org On Tue, Oct 02, 2007 at 04:15:15PM +0200, Krzysztof Oledzki wrote: > > I'm not sure if we should call it a bug. LVS does not support such > configuration by default - it requires kernel patching. However, it worked > with older kernels so that's why I asked if it is possible to force full > TCP/UDP checksum calculation? This is no different than DNATing a packet originally destined for lo to eth0, which works fine BTW. So that LVS patch or LVS itself should be fixed to do the right thing. 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