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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0ECC7C433EF for ; Tue, 8 Mar 2022 20:55:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243797AbiCHU4J (ORCPT ); Tue, 8 Mar 2022 15:56:09 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59310 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233035AbiCHU4I (ORCPT ); Tue, 8 Mar 2022 15:56:08 -0500 Received: from mail-pj1-x102a.google.com (mail-pj1-x102a.google.com [IPv6:2607:f8b0:4864:20::102a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7D8573CFDC for ; Tue, 8 Mar 2022 12:55:10 -0800 (PST) Received: by mail-pj1-x102a.google.com with SMTP id m11-20020a17090a7f8b00b001beef6143a8so426708pjl.4 for ; Tue, 08 Mar 2022 12:55:10 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=AC/iGqiTz/V5Y3WL/wIEhOf/zQOJMobaScq5jDHM+tc=; b=kGykJWwhb6HN2Y281ISa/OkQkxoqrnwh5BbrXcKfNYRd/E1u4kOOQZ1eKl4/pJN3MV mChoJ0Klh0SNhowHNsqMRdFmv2RBtBlTnBQB8nphuVNYAWwrZ73JpZDzd3NztYfOsNRF Y6s2GstlSkYjYa7Wh1aoShjF9/GQ7doHsQ4BbqdZQUo99OcO0bLwwuFx54z2zRaZm5h5 Qgp7ik6/3sg5pMofAb5+5svh57PqcEgo2s0k/to92xJxgFJ6xHMDyJZpzLygK8yKz3/7 tQqynq6T5dEhXdWsAisHA7uYiTHpLr0A1qKTbQmAgTms/jYm0T19SHc1hxpLZZIt2Y0A fgsA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=AC/iGqiTz/V5Y3WL/wIEhOf/zQOJMobaScq5jDHM+tc=; b=f4CJmPrdgjTnPMxZwyakRLmbqO2aiBP8XwDEXlbLGw2HL/HWhDds7YhrYjeeO+wMrK ze+y0r1ecAvqU7qy0oqENRiNnOl6Ut+UqmZC/ulg1Fc5XS7DXRBEm29372EJtFB2w17F WHXKxMQLRM06FzeuomyPJL5SMplnD+G14K+1VlQa8m+WDXU8a8RX16I+pliypTGt/IAG u7OkZiu0OS1rOwHPf+iHQ6Kn6GSPt433e7+V6ipfHqCAD+jM+XY9prMsZXHu/uCClfsg Joq5BuIBjXz9g42kWOHidy0Purf7PwS7zqrhuyDgZiKNoF6UsGx2GdYehxwetMkDjj14 bf4w== X-Gm-Message-State: AOAM531GRplNm+a3l0bjaGOgTcp7tx5QeHXMWNLy51wZFSph3IwZ/+gK dJQ31TFd+pVnS3G4VV3razg= X-Google-Smtp-Source: ABdhPJxt1hHnGQuARP4Vh0xhBXZYEc8oUGgGeYOjlvUEDJXC5pucVeJ6+CHe8djnRYyTehu59BSQgw== X-Received: by 2002:a17:902:f789:b0:14e:ebbc:264b with SMTP id q9-20020a170902f78900b0014eebbc264bmr19244129pln.169.1646772910067; Tue, 08 Mar 2022 12:55:10 -0800 (PST) Received: from hoboy.vegasvil.org ([2601:640:8200:33:e2d5:5eff:fea5:802f]) by smtp.gmail.com with ESMTPSA id q12-20020a17090a178c00b001bd036e11fdsm3800787pja.42.2022.03.08.12.55.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 08 Mar 2022 12:55:09 -0800 (PST) Date: Tue, 8 Mar 2022 12:55:07 -0800 From: Richard Cochran To: Miroslav Lichvar Cc: Michael Walle , gerhard@engleder-embedded.com, davem@davemloft.net, kuba@kernel.org, netdev@vger.kernel.org, vinicius.gomes@intel.com, yangbo.lu@nxp.com Subject: Re: [RFC PATCH net-next 0/6] ptp: Support hardware clocks with additional free running time Message-ID: <20220308205507.GD16895@hoboy.vegasvil.org> References: <20220306085658.1943-1-gerhard@engleder-embedded.com> <20220307120751.3484125-1-michael@walle.cc> <20220307140531.GA29247@hoboy.vegasvil.org> <20220307143748.GD29247@hoboy.vegasvil.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220307143748.GD29247@hoboy.vegasvil.org> User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Mon, Mar 07, 2022 at 06:37:48AM -0800, Richard Cochran wrote: > On Mon, Mar 07, 2022 at 03:23:58PM +0100, Miroslav Lichvar wrote: > > > There is a need to have multiple PHCs per device and for that to work > > the drivers need to be able to save multiple timestamps per packet. > > That is a big job that entails a new user API. On second thought, maybe the address/cookie idea will at least open up multiple driver timestamps in a practical way... Thanks, Richard