Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754945AbXJIG5W (ORCPT ); Tue, 9 Oct 2007 02:57:22 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752089AbXJIG5O (ORCPT ); Tue, 9 Oct 2007 02:57:14 -0400 Received: from smtp-out001.kontent.com ([81.88.40.215]:38326 "EHLO smtp-out001.kontent.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751964AbXJIG5N (ORCPT ); Tue, 9 Oct 2007 02:57:13 -0400 From: Oliver Neukum To: Pavel Machek Subject: Re: gigabit ethernet power consumption Date: Tue, 9 Oct 2007 08:58:46 +0200 User-Agent: KMail/1.9.6 (enterprise 20070731.694771) Cc: Arjan van de Ven , kernel list References: <20071008220720.GF3484@elf.ucw.cz> In-Reply-To: <20071008220720.GF3484@elf.ucw.cz> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200710090858.46760.oliver@neukum.org> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 748 Lines: 18 Am Dienstag 09 Oktober 2007 schrieb Pavel Machek: > Question is, how to implement it correctly? Daemon that would watch > data rates and switch speeds using mii-tool would be simple, but is > that enough? Do you only want to affect true ethernet devices this way? It seems to me that the savings for wireless devices could be larger and we don't want a separate mechanism for each type of network device. So I think you need to tell the kernel why you want to reduce the link speed. Regards Oliver - 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/