From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754673AbZBDJP7 (ORCPT ); Wed, 4 Feb 2009 04:15:59 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751816AbZBDJPk (ORCPT ); Wed, 4 Feb 2009 04:15:40 -0500 Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:36305 "EHLO sunset.davemloft.net" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1751234AbZBDJPj (ORCPT ); Wed, 4 Feb 2009 04:15:39 -0500 Date: Wed, 04 Feb 2009 01:15:35 -0800 (PST) Message-Id: <20090204.011535.183331841.davem@davemloft.net> To: w@1wt.eu Cc: herbert@gondor.apana.org.au, zbr@ioremap.net, jarkao2@gmail.com, dada1@cosmosbay.com, ben@zeus.com, mingo@elte.hu, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, jens.axboe@oracle.com Subject: Re: [PATCH v2] tcp: splice as many packets as possible at once From: David Miller In-Reply-To: <20090204091217.GA21385@1wt.eu> References: <20090204085907.GA19388@gondor.apana.org.au> <20090204.010146.18100191.davem@davemloft.net> <20090204091217.GA21385@1wt.eu> X-Mailer: Mew version 6.1 on Emacs 22.1 / Mule 5.0 (SAKAKI) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Willy Tarreau Date: Wed, 4 Feb 2009 10:12:17 +0100 > And the arbitrary choice of 9k for jumbo frames was total crap too. > It's clear that no hardware designer was involved in the process. Willy, do some reasearch, this also completely wrong. Alteon effectively created jumbo MTUs in their Acenic chips since that was the first chip to ever do it. Those were hardware engineers only making those design decisions. I think this is will I will stop taking part in this part of the discussion. Every posting is full of misinformation and I've got better things to do than to refute them every 5 minutes. :-/