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=-3.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_NEOMUTT autolearn=ham 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 98A35C28CC5 for ; Thu, 6 Jun 2019 02:43:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 65996207E0 for ; Thu, 6 Jun 2019 02:43:25 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="KqBZba7t" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726581AbfFFCnY (ORCPT ); Wed, 5 Jun 2019 22:43:24 -0400 Received: from mail-pg1-f182.google.com ([209.85.215.182]:43386 "EHLO mail-pg1-f182.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726427AbfFFCnX (ORCPT ); Wed, 5 Jun 2019 22:43:23 -0400 Received: by mail-pg1-f182.google.com with SMTP id f25so426561pgv.10 for ; Wed, 05 Jun 2019 19:43:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=Wtx/ay8rxT5oBiwe2uyoiL58LmPn8mBpS58ceLCxLn8=; b=KqBZba7thrDVTDCtnpYh6BfGTmOi2XTd0Pm7pJIngu8Kj+T1I9x6We4q9CVNten/W1 6EFsZP0y+kgKeLaK6MlT0TzzchiqbGVZ2FTjHKsbi7QqKIDpChM9lQQnfrxkeLDfOlk/ H9knxGbW//7pyKq0P9cYQ2lhZmJUeGUXN/GWTOIH64CweiQrI9AiaWDCocU19yzMywA8 l9Qeg571ME9HsjwiqBll3Nod+ZBbc+xbIe5VjSBF2Xv5KtQ7T7n1Web5kipNTpEUK4/C d/xN7vPRXgbVDcK3BbQDcSDUjiFI1Dv4ek+PW2OMKRBskJ++nOqHWDqwQQxrIxRCNSKR Kbyw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=Wtx/ay8rxT5oBiwe2uyoiL58LmPn8mBpS58ceLCxLn8=; b=GK1TBNQu+LcJ7THmzxOnJC6Po2t/oN0hbWwDpZFgENt9lFPan+5FWwbNit00CccL9G eMzqCyoxNfBFgow0hb53KcQh6a/gtXTMPTeIy+hVBbAMtA4cQm4bDboRzBtfOOopcPAb IdUqX007StlLO+1j25N9maU3lvbqSyP2uwYt6HzBxVWhEn589bAHcuT0LHr9TP9DYJ3I spW4GQN4KXDrDET9KFeqr1ByGt8zbX/u3AyGxFmsFiHNrszJoGCRvuRva6zb2ITuL7FU oBOL3W1svV8gIr37Wy3jbjaYuZqqJC5UP7ScXkJM//pFUT+7Ea6cn2Kck/yxbguG3x/+ HflQ== X-Gm-Message-State: APjAAAV0uvf1kPuAp/BbN7ld0tb5EAe+/cjGCVbcTXqkLP8fzrYLhRyu 3SNIpJysHfxzWftvnWNRmJ/xFduG X-Google-Smtp-Source: APXvYqzstIaXWjeWoJrta1vNHr+PphvW04vA125KWSOnDfNi19IvNZG9ynTlI3MXTbWC8hDuI9MSOA== X-Received: by 2002:a62:b40f:: with SMTP id h15mr44586742pfn.57.1559789003301; Wed, 05 Jun 2019 19:43:23 -0700 (PDT) Received: from localhost (c-73-222-71-142.hsd1.ca.comcast.net. [73.222.71.142]) by smtp.gmail.com with ESMTPSA id k22sm271488pfk.178.2019.06.05.19.43.21 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Wed, 05 Jun 2019 19:43:22 -0700 (PDT) Date: Wed, 5 Jun 2019 19:43:20 -0700 From: Richard Cochran To: Shalom Toledo Cc: Ido Schimmel , "netdev@vger.kernel.org" , "davem@davemloft.net" , Jiri Pirko , Petr Machata , mlxsw , Ido Schimmel Subject: Re: [PATCH net-next 7/9] mlxsw: spectrum_ptp: Add implementation for physical hardware clock operations Message-ID: <20190606024320.6ilfk5ur3a3d6ead@localhost> References: <20190603121244.3398-1-idosch@idosch.org> <20190603121244.3398-8-idosch@idosch.org> <20190604142819.cml2tbkmcj2mvkpl@localhost> <5c757fb9-8b47-c03a-6b78-45ac2b2140f3@mellanox.com> <20190605174025.uwy2u7z55v3c2opm@localhost> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: NeoMutt/20170113 (1.7.2) Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Wed, Jun 05, 2019 at 07:28:38PM +0000, Shalom Toledo wrote: > So, there is an HW machine which responsible for adding UTC timestamp on > R-SPAN mirror packets and there is no connection to the HW free running > counter. If there is no connection, then the frequency adjustments to the HW clock will not work as expected. Perhaps the free running counter and the HW clock share the same clock source? Thanks, Richard