Received: by 10.213.65.68 with SMTP id h4csp1575649imn; Mon, 19 Mar 2018 07:51:25 -0700 (PDT) X-Google-Smtp-Source: AG47ELtoIibz7r5bNaqQ231+l9NykXieaKbTts7GdtV6Qzxz1OucVa6wWBFIqF/gqKV5tgMTihP+ X-Received: by 2002:a17:902:760e:: with SMTP id k14-v6mr2019571pll.292.1521471084985; Mon, 19 Mar 2018 07:51:24 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1521471084; cv=none; d=google.com; s=arc-20160816; b=VfDkbx8MOdQuC8XcRIw2cYVINpYFkxY5NOzLWwcNaFgsTU8cPBgYsPDgYs3bumq/mt tm68LhTB0TtGCLhuptHHygHS8CgqOyzeCb02IQ309jb8WVr8rLxtqT1auseotQt84Grp Z++YDfQYciHqgrW8HqP6GqzcROqn9eFMGviPpvN3hByDu9bNi9BELFuLP5IsosFuk7Or smxBFqReVJcH6MQhVpzaoD7Yj0a3kW05F5phnJNJpG+ohdGbXGWs75CXLd0h/v/3fZc9 tuGdxthvgwldaqExf+E2/4aJgb3XJlQTJkgAHLrsqV8zQT4ZRwDG8/odPoE1brezkxws 4UFg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-transfer-encoding:content-disposition:mime-version :references:message-id:subject:cc:to:from:date :arc-authentication-results; bh=DT3+qxBYnMmQ+a69m9QcLbB/q/A7lQRLDmZaHiy7Kak=; b=T635A+yK3BN9uQnDM87nxrAc1V1iT5aITQnTk1qWrTSuyB5/ksB4Forkfd3a9PFEqt tq9NATkNvZLqCcVbzDQt9LhKvMCVRIzFqo2BRB89cn1pJEAFfM7Kp5TyUCzA4sUUoSoI 0WTyygYqkqciHZEGGFeU/aPqY4TNC5UN9RJpXzhBMlqboB5ohsRrcd3D6dbIbL/xMhf6 u23jnhbHofQCPz0RAeoyktNWLsmXpvuTcLerS35g8jV+fubvlT/SngUaY1sdGaNVKWVM 3xcuNwZwPS4dI8RBON+sd0WsNy8262yEyFGRVBGnNpOH84RGsPgxibKR3nCM426jXByL 7piQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id w15si117888pfa.86.2018.03.19.07.51.10; Mon, 19 Mar 2018 07:51:24 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933042AbeCSNKS (ORCPT + 99 others); Mon, 19 Mar 2018 09:10:18 -0400 Received: from mail.bootlin.com ([62.4.15.54]:58673 "EHLO mail.bootlin.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932998AbeCSNKQ (ORCPT ); Mon, 19 Mar 2018 09:10:16 -0400 Received: by mail.bootlin.com (Postfix, from userid 110) id 20E0120713; Mon, 19 Mar 2018 14:10:14 +0100 (CET) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on mail.bootlin.com X-Spam-Level: X-Spam-Status: No, score=-1.0 required=5.0 tests=ALL_TRUSTED,SHORTCIRCUIT, URIBL_BLOCKED shortcircuit=ham autolearn=disabled version=3.4.0 Received: from localhost (nat.foo.tf [163.172.35.26]) by mail.bootlin.com (Postfix) with ESMTPSA id C54FD2036E; Mon, 19 Mar 2018 14:10:13 +0100 (CET) Date: Mon, 19 Mar 2018 14:10:09 +0100 From: Antoine Tenart To: Andrew Lunn Cc: Antoine Tenart , Russell King - ARM Linux , davem@davemloft.net, kishon@ti.com, gregory.clement@bootlin.com, jason@lakedaemon.net, sebastian.hesselbarth@gmail.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, thomas.petazzoni@bootlin.com, maxime.chevallier@bootlin.com, miquel.raynal@bootlin.com, nadavh@marvell.com, stefanc@marvell.com, ymarkman@marvell.com, mw@semihalf.com, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH net-next 02/10] net: phy: phylink: allow 10GKR interface to use in-band negotiation Message-ID: <20180319131009.GJ4519@kwain> References: <20180316103351.16616-1-antoine.tenart@bootlin.com> <20180316103351.16616-3-antoine.tenart@bootlin.com> <20180316155307.GQ9418@n2100.armlinux.org.uk> <20180319085252.GF4519@kwain> <20180319111205.GB2743@n2100.armlinux.org.uk> <20180319125227.GI4519@kwain> <20180319125953.GD19795@lunn.ch> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20180319125953.GD19795@lunn.ch> User-Agent: Mutt/1.9.2 (2017-12-15) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Andrew, On Mon, Mar 19, 2018 at 01:59:53PM +0100, Andrew Lunn wrote: > > If they don't have PHYs, how are the connected to the outside world? On 7k/8k you have the following scheme for 10G only interfaces: MAC -- Comphy -- PHY -- SFP cage -- ... Or MAC -- Comphy -- SFP cage -- ... The comphy provides serdes lanes, and can be configured in various modes (SGMII, 2500SGMII, 10GKR...). Antoine -- Antoine T?nart, Bootlin (formerly Free Electrons) Embedded Linux and Kernel engineering https://bootlin.com