Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932176AbWCTL1L (ORCPT ); Mon, 20 Mar 2006 06:27:11 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932208AbWCTL1K (ORCPT ); Mon, 20 Mar 2006 06:27:10 -0500 Received: from [194.90.237.34] ([194.90.237.34]:25733 "EHLO mtlexch01.mtl.com") by vger.kernel.org with ESMTP id S932176AbWCTL1J (ORCPT ); Mon, 20 Mar 2006 06:27:09 -0500 Date: Mon, 20 Mar 2006 13:27:53 +0200 From: "Michael S. Tsirkin" To: "David S. Miller" Cc: rick.jones2@hp.com, netdev@vger.kernel.org, rdreier@cisco.com, linux-kernel@vger.kernel.org, openib-general@openib.org Subject: Re: TSO and IPoIB performance degradation Message-ID: <20060320112753.GX29929@mellanox.co.il> Reply-To: "Michael S. Tsirkin" References: <20060320090629.GA11352@mellanox.co.il> <20060320.015500.72136710.davem@davemloft.net> <20060320102234.GV29929@mellanox.co.il> <20060320.023704.70907203.davem@davemloft.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20060320.023704.70907203.davem@davemloft.net> User-Agent: Mutt/1.4.2.1i X-OriginalArrivalTime: 20 Mar 2006 11:29:49.0046 (UTC) FILETIME=[98ECF960:01C64C11] Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 654 Lines: 16 Quoting David S. Miller : > I disagree with Linux changing it's behavior. It would be great to > turn off congestion control completely over local gigabit networks, > but that isn't determinable in any way, so we don't do that. Interesting. Would it make sense to make it another tunable knob in /proc, sysfs or sysctl then? -- Michael S. Tsirkin Staff Engineer, Mellanox Technologies - 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/