From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933186AbeCSNT4 convert rfc822-to-8bit (ORCPT ); Mon, 19 Mar 2018 09:19:56 -0400 Received: from mx0a-0016f401.pphosted.com ([67.231.148.174]:36002 "EHLO mx0b-0016f401.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S932635AbeCSNTz (ORCPT ); Mon, 19 Mar 2018 09:19:55 -0400 From: Stefan Chulski 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" , Nadav Haklai , Yan Markman , "mw@semihalf.com" , "linux-arm-kernel@lists.infradead.org" Subject: RE: [EXT] Re: [PATCH net-next 02/10] net: phy: phylink: allow 10GKR interface to use in-band negotiation Thread-Topic: [EXT] Re: [PATCH net-next 02/10] net: phy: phylink: allow 10GKR interface to use in-band negotiation Thread-Index: AQHTvT77nBQG5ffkBEaqTn9C4RyF8qPXI08AgAAm5YCAABwLgIAAAhSAgAAiFzD//+BJgIAAI9Aw Date: Mon, 19 Mar 2018 13:19:24 +0000 Message-ID: <02614799e30f4823a97fca0e9f29b14b@IL-EXCH01.marvell.com> 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> <54e290a192734831b5db22191f056a81@IL-EXCH01.marvell.com> <20180319130823.GA22306@lunn.ch> In-Reply-To: <20180319130823.GA22306@lunn.ch> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [199.203.130.14] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 8BIT MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:,, definitions=2018-03-19_09:,, signatures=0 X-Proofpoint-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1711220000 definitions=main-1803190155 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > -----Original Message----- > From: Andrew Lunn [mailto:andrew@lunn.ch] > Sent: Monday, March 19, 2018 3:08 PM > To: Stefan Chulski > 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; Nadav Haklai > ; Yan Markman ; > mw@semihalf.com; linux-arm-kernel@lists.infradead.org > Subject: Re: [EXT] Re: [PATCH net-next 02/10] net: phy: phylink: allow 10GKR > interface to use in-band negotiation > > > > If they don't have PHYs, how are the connected to the outside world? > > > > > > Andrew > > > > By external SFP or direct attached cable. > > Maybe i'm missing something, but don't you just need to add an SFP device > in the device tree. The SFP code and PHYLINK will work together, query what > the SFP module is, use the GPIOs to determine link up/down and module > present, and tell the MAC how to configure the MAC-SFP link? > > Andrew phylink pool SFP loss signal to determine link up/down? Stefan, Best Regards.