From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8F1C4C4338F for ; Fri, 23 Jul 2021 18:25:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 66E8360EFD for ; Fri, 23 Jul 2021 18:25:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229530AbhGWRpA (ORCPT ); Fri, 23 Jul 2021 13:45:00 -0400 Received: from vps0.lunn.ch ([185.16.172.187]:43174 "EHLO vps0.lunn.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229450AbhGWRo7 (ORCPT ); Fri, 23 Jul 2021 13:44:59 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lunn.ch; s=20171124; h=In-Reply-To:Content-Disposition:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:From:Sender:Reply-To:Subject: Date:Message-ID:To:Cc:MIME-Version:Content-Type:Content-Transfer-Encoding: Content-ID:Content-Description:Content-Disposition:In-Reply-To:References; bh=oY2FNzclhIrz3vI2UoQazNFY7UHToJcCYzU96z1FM8U=; b=UsAykoDu8b31wyB8cEhTTom9Sv yjkJJq3xe2cVf2N8Al2LkKv0TJ/ILHuOzrE35HugnUy02VXtbwSa0bW9lvnElG6s99VAb+aNBB6q/ fBi0W01oY0Bab6p8G3qkzU6v4NseoRl0UvBWqnZlqJ3Fop/eV6J6tzNX9s15xcC0n0xA=; Received: from andrew by vps0.lunn.ch with local (Exim 4.94.2) (envelope-from ) id 1m6zrY-00EXDI-0y; Fri, 23 Jul 2021 20:25:32 +0200 Date: Fri, 23 Jul 2021 20:25:32 +0200 From: Andrew Lunn To: Dario Alcocer Cc: netdev@vger.kernel.org Subject: Re: Marvell switch port shows LOWERLAYERDOWN, ping fails Message-ID: References: <6a70869d-d8d5-4647-0640-4e95866a0392@helixd.com> <0188e53d-1535-658a-4134-a5f05f214bef@helixd.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <0188e53d-1535-658a-4134-a5f05f214bef@helixd.com> Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org > > You probably don't want both ends of the link in rgmii-id mode. That > > will give you twice the delay. > > Ok, I'll change phy-mode to "rgmii" for both ends. It's a little confusing > that there's a reference to phy-mode at all, though, given the actual > connection is SERDES. My understanding is SERDES is a digital, PHY-less > connection. Is it even RGMII? You say SERDES, so 1000BaseX seems more likely. Andrew