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=-4.0 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, 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 1B656C433E1 for ; Sat, 25 Jul 2020 21:32:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EE330206D8 for ; Sat, 25 Jul 2020 21:32:31 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Zl3F8eWD" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727789AbgGYVcb (ORCPT ); Sat, 25 Jul 2020 17:32:31 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53190 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726601AbgGYVca (ORCPT ); Sat, 25 Jul 2020 17:32:30 -0400 Received: from mail-ed1-x544.google.com (mail-ed1-x544.google.com [IPv6:2a00:1450:4864:20::544]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7C6CBC08C5C0; Sat, 25 Jul 2020 14:32:30 -0700 (PDT) Received: by mail-ed1-x544.google.com with SMTP id h28so9459539edz.0; Sat, 25 Jul 2020 14:32:30 -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; bh=nzlkgUksKHKvjyC1WqdXTsA35q0rjk7MHaBjqIWnjlQ=; b=Zl3F8eWDLHoNjgDQzdT30Kx8/4VIzHWj4mf2BDBlDvZZLunYSlOMCdumd+tO/rN3mD A9HXEHa5aW7K5huN5rJr3kPbSSsw8yC0+c+8NHslxgzjPbZno1Z2U6gODVFT/y/2gzW4 bx6++p7Q9t+zWvXBMSg05PCABlPv+Jc5hZeuUzWui8i2VgIPiY03gH4f2D/m5XxRCCCb btpx2NcWAW4pZtRni++2PBNFYUwzYBd97TcQsbJXf9kY5gD7xc84l/otAN0KMOySWV41 vh4mlDqN9N5UHmSpK4g883NB/GDjvCO0DEV8QPBmHoDg6sc4qC1BchbiJWYvTmLObT6E MyuQ== 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; bh=nzlkgUksKHKvjyC1WqdXTsA35q0rjk7MHaBjqIWnjlQ=; b=QG0eHdapeLDZ/aj6GgpeoAzjmXaI+0UmLZqIvyj5C6zAUrumMtPpeixnCE3A1gHZaq Tc4HT9puyhsvcwOCqzBCdM1ObzGIiZqlKJMTdgE1sC2zVTTAxKPsiPkF+b3dUs5lZzgw 5faU3OOAR3OWQKu8K6cXju45SibKl3uTY5VmUcaGRI8aHYU2vx29ODRZE4Veh6juVL// PcVL4iqFvZ5Zou1RmNlhm/YN28Tqx00CsRzLprniHPXeJO0feWXWPJi8uRgWsH5MvAx9 rdrKNR62qYvzPYFJTn+kJwTzYWj0Ar2BeD8FEp6SvWoGZ5dFueYfwm22MBJcj44gPZ7E 0aPw== X-Gm-Message-State: AOAM532q/OruOn/Lt0vrOdG++2A5Td7b+2gLWO4qOBgeBI+mHZ2vzLuA UV1B4zRXzJ/aCvrfNt1OATN0EWVh X-Google-Smtp-Source: ABdhPJxkqWGCqIFsWuIpm5PG1NeWwlCwFstln3uF/Q8Qgxf6PaIOHJkWz0pVirMYDs1F18x9r2v6MQ== X-Received: by 2002:a05:6402:3099:: with SMTP id de25mr15061729edb.228.1595712749179; Sat, 25 Jul 2020 14:32:29 -0700 (PDT) Received: from skbuf ([188.25.219.134]) by smtp.gmail.com with ESMTPSA id vr6sm1727656ejb.36.2020.07.25.14.32.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 25 Jul 2020 14:32:28 -0700 (PDT) Date: Sun, 26 Jul 2020 00:32:26 +0300 From: Vladimir Oltean To: Richard Cochran Cc: Jacob Keller , kuba@kernel.org, davem@davemloft.net, netdev@vger.kernel.org, sorganov@gmail.com, linux-doc@vger.kernel.org Subject: Re: [PATCH net-next 3/3] docs: networking: timestamping: add a set of frequently asked questions Message-ID: <20200725213226.hknk62rdovm3nmrz@skbuf> References: <20200717161027.1408240-4-olteanv@gmail.com> <20200718113519.htopj6tgfvimaywn@skbuf> <887fcc0d-4f3d-3cb8-bdea-8144b62c5d85@intel.com> <20200720210518.5uddqqbjuci5wxki@skbuf> <0fb4754b-6545-f8dc-484f-56aee25796f6@intel.com> <20200720221314.xkdbw25nsjsyvgbv@skbuf> <20200721002150.GB21585@hoboy> <20200721195127.nxuxg6ef2h6cs3wj@skbuf> <20200722032553.GB12524@hoboy> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200722032553.GB12524@hoboy> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Tue, Jul 21, 2020 at 08:25:53PM -0700, Richard Cochran wrote: > On Tue, Jul 21, 2020 at 10:51:27PM +0300, Vladimir Oltean wrote: > > So I think the position of "just don't have software timestamping code > > in DSA and you'll be fine" won't be getting us anywhere. Either you can > > or you can't, and there isn't anything absurd about it, so sooner or > > later somebody will want to do it. The rules surrounding it, however, > > are far from being ready, or clear. > > > > Am I missing something? > > I'm just trying to make things easy for you, as the author of DSA > drivers. There is no need to set skb flags that have no purpose > within the stack. > > Nobody is demanding software time stamps from any DSA devices yet, and > so I don't see the point in solving a problem that doesn't exist. > > I'm sorry if the "rules" are not clear, but if you look around the > kernel internals, you will be hard pressed to find perfectly > documented rules anywhere! > > Thanks, > Richard Could we perhaps take a step back and see what can be improved about the documentation updates? Thanks, -Vladimir