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 smtp3.osuosl.org (smtp3.osuosl.org [140.211.166.136]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 5CEB6C4332F for ; Fri, 21 Oct 2022 12:48:52 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp3.osuosl.org (Postfix) with ESMTP id D848060A6F; Fri, 21 Oct 2022 12:48:51 +0000 (UTC) DKIM-Filter: OpenDKIM Filter v2.11.0 smtp3.osuosl.org D848060A6F DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=osuosl.org; s=default; t=1666356531; bh=Vmgq0KuLQ97lO5B37me93vEIOV6OlfwHG350anM0uHA=; h=Date:From:To:References:In-Reply-To:Subject:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: Cc:From; b=l1i+MJbD7BAIP/5pi5zEQ5Xc/OmIilBvJXJyPLjYCEK/xGFG65Zquc1weO8NQwjAh mMOzDKKeMER30CLd18uViOsIbTCjOdHs/jR+g8VgenbSYHS21OGssxI+223kRGm+oS yEY6po9RICu8sXlTaS0DXBsvML9knUfqtpRBPZoe8zh4BJNQ6/VqVAYcFg13O2TXXo 2bTjIacr7mmLajkkX7a2dCyJLRNTzIgxtXJ0XeAoSksFjc1T8VUIQluRlW5qaRmxoP 9zqBxhPJGVrEGK37sRBodmRZ/2Ccwxg3MRHWT9QkYjK3OK6zmlekPyrzN65bxUbe+1 fcaKCr0pUHs5Q== X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp3.osuosl.org ([127.0.0.1]) by localhost (smtp3.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id FWaf8AXis8id; Fri, 21 Oct 2022 12:48:51 +0000 (UTC) Received: from ash.osuosl.org (ash.osuosl.org [140.211.166.34]) by smtp3.osuosl.org (Postfix) with ESMTP id EF9F560BB0; Fri, 21 Oct 2022 12:48:50 +0000 (UTC) DKIM-Filter: OpenDKIM Filter v2.11.0 smtp3.osuosl.org EF9F560BB0 Received: from smtp4.osuosl.org (smtp4.osuosl.org [140.211.166.137]) by ash.osuosl.org (Postfix) with ESMTP id 8A37E1BF2B4 for ; Fri, 21 Oct 2022 12:48:49 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp4.osuosl.org (Postfix) with ESMTP id 6359C418C0 for ; Fri, 21 Oct 2022 12:48:49 +0000 (UTC) DKIM-Filter: OpenDKIM Filter v2.11.0 smtp4.osuosl.org 6359C418C0 X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp4.osuosl.org ([127.0.0.1]) by localhost (smtp4.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id kgEkQHL7EIJt for ; Fri, 21 Oct 2022 12:48:48 +0000 (UTC) X-Greylist: whitelisted by SQLgrey-1.8.0 DKIM-Filter: OpenDKIM Filter v2.11.0 smtp4.osuosl.org 9B284418B6 Received: from mail-pf1-x42c.google.com (mail-pf1-x42c.google.com [IPv6:2607:f8b0:4864:20::42c]) by smtp4.osuosl.org (Postfix) with ESMTPS id 9B284418B6 for ; Fri, 21 Oct 2022 12:48:48 +0000 (UTC) Received: by mail-pf1-x42c.google.com with SMTP id i3so2458521pfk.9 for ; Fri, 21 Oct 2022 05:48:48 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=5C3AVO3KQTZSkl5k56jSXrjjeWkXIjKnpVmOu2WKA+w=; b=YrkSMeSqjSjd0gunZWoT67sUiX/KNcj1are9nqKA37u/QRq6tq6WMAgM9qz+y5U10K P8OaXoCAXNt3Zt/ExkIwNeeh3+/NLuVRERwwfgjzvIAz9iibwT4kpeZdlapE4kuAb2mV ykO7fAT+Fyf1fVd2WOU9P4yze4NviUfqPXhdgqxFOC3q2U8cDS8D08laLO5MvCA5Jq6O CBEvJM5H2c/F3T1NEzIKwjZSfR+TDJS8/7rgeBpZnEUlIfNniwTmqI4FyY9h9IStw5T+ n8j7D3Qn/ipTx55kz2LH2cfK9xFSPoBQjTgmHpWrliQRt4G8dt+y8gUPGOdSAjzfD6nJ Hd1Q== X-Gm-Message-State: ACrzQf1CXXccxIVHXi7hL66nFkfzMmg/qrPh+Tww/nydHofesBqi53mr ACCpsTuQokSNUJEI2LSnP6s= X-Google-Smtp-Source: AMsMyM7l2QhXJZ8XnYp2zbPdQYvi0a48z/41cisCjeTh1CWC1Gzh62rJ3VQlyrUmnMeZriZmp84M+A== X-Received: by 2002:a05:6a00:15ce:b0:562:cafb:2844 with SMTP id o14-20020a056a0015ce00b00562cafb2844mr19223942pfu.75.1666356527930; Fri, 21 Oct 2022 05:48:47 -0700 (PDT) Received: from hoboy.vegasvil.org ([2601:640:8200:33:e2d5:5eff:fea5:802f]) by smtp.gmail.com with ESMTPSA id a15-20020a170902710f00b0017f8290fcc0sm14489927pll.252.2022.10.21.05.48.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 21 Oct 2022 05:48:46 -0700 (PDT) Date: Fri, 21 Oct 2022 05:48:44 -0700 From: Richard Cochran To: "Zulkifli, Muhammad Husaini" Message-ID: References: <20221018010733.4765-1-muhammad.husaini.zulkifli@intel.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-Mailman-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=5C3AVO3KQTZSkl5k56jSXrjjeWkXIjKnpVmOu2WKA+w=; b=j1MjZpD+ug0V6KhohONi2vJRizcJYRla7DkjaDonrhtb6ZWMDlcQe/1dN2rp8x4Rxp 1IdL9k7mW5V3S29XHgxgn3eM/CQ+W6noeMlQR2kn3rUhNbPF0ukRzBBhtmgdQZc7AzrH 8oFLnpLfLqpoTYBXTWXL7k0tC4ZnwD5slQW9fhjhPBDQMiOxav15pEuULmzftJLzttav 2yTGq75fNO6nWxvBmXN0jxYf08giZO0gVe3N84hfeYJC3LMK1QxPTsdmZeK+UwHv28pd eeq8+GlNd+kxF0wCR0HmhT7pp1syG/sjuZiKdwYEN3Y/K0UaNwMSgc/2sjMVmClMpDq9 6mJQ== X-Mailman-Original-Authentication-Results: smtp4.osuosl.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20210112 header.b=j1MjZpD+ Subject: Re: [Intel-wired-lan] [PATCH v2 0/5] Add support for DMA timestamp for non-PTP packets X-BeenThere: intel-wired-lan@osuosl.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Wired Ethernet Linux Kernel Driver Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "leon@kernel.org" , "intel-wired-lan@osuosl.org" , "gal@nvidia.com" , "saeed@kernel.org" , "edumazet@google.com" , "netdev@vger.kernel.org" , "kuba@kernel.org" , "michael.chan@broadcom.com" , "davem@davemloft.net" , "andy@greyhouse.net" Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: intel-wired-lan-bounces@osuosl.org Sender: "Intel-wired-lan" On Fri, Oct 21, 2022 at 12:25:13AM +0000, Zulkifli, Muhammad Husaini wrote: > Sorry for misinterpreting SOFTWARE as HARDWARE in my previous reply. > DMA Timestamping is definitely better than SOFTWARE timestamp because > we sample the time at the controller MAC level. Do you have numbers to back up this claim? > Could you please provide additional details about this? What do you meant by > offering 1 HW Timestamp with many SW timestamps? - Let the PTP stack use hardware time stamps. - Let all other applications use software time stamps. Hm? Thanks, Richard _______________________________________________ Intel-wired-lan mailing list Intel-wired-lan@osuosl.org https://lists.osuosl.org/mailman/listinfo/intel-wired-lan