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 BD672E8FDC7 for ; Wed, 4 Oct 2023 04:23:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238006AbjJDEXK (ORCPT ); Wed, 4 Oct 2023 00:23:10 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49074 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232628AbjJDEXJ (ORCPT ); Wed, 4 Oct 2023 00:23:09 -0400 Received: from mail-pf1-x42a.google.com (mail-pf1-x42a.google.com [IPv6:2607:f8b0:4864:20::42a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9F179AD; Tue, 3 Oct 2023 21:23:05 -0700 (PDT) Received: by mail-pf1-x42a.google.com with SMTP id d2e1a72fcca58-693400e09afso383414b3a.1; Tue, 03 Oct 2023 21:23:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1696393385; x=1696998185; darn=vger.kernel.org; h=in-reply-to:content-transfer-encoding:content-disposition :mime-version:references:message-id:subject:cc:to:from:date:from:to :cc:subject:date:message-id:reply-to; bh=mdh6W1N1Pc5uEkvtWKu2b0D4c3j6GY2r5pUlMYcimSo=; b=jq95pEc4AW+JB4eQhrSmo/akvA/Fb/Bc8qXIH7Gnsgla/4xCWKsS40uxDhA86Ctwd3 f1G3IDNZI/BadIlH458HTmnYHtIdKM7eyqAeRy2nxjfXN2ZRws26sWDJI6eVtqqLgrB+ QUd7aM7n8X5AQGaNrW1UQJdL/QFqykSCoTY2Nk0uMJZoHdW+TiKx9zkk0mfiqhESDv+O a0YenwwXfin/lAK7uaGLGjLnv7evruHqLvIbKRRwqxUpC4/DvWrxgEe+6egPS0V3RD3l QOhXwZi2MiERyGaUVZn+LMbrBpYKxdYYfYwWXEAQez+i+xaNsyngOG6o4lqaQOruN9Hi YVFw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1696393385; x=1696998185; h=in-reply-to:content-transfer-encoding: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=mdh6W1N1Pc5uEkvtWKu2b0D4c3j6GY2r5pUlMYcimSo=; b=dplVvoQ2Ke33cx7QPjx7qlvDAhYeGmwORaf+wNj5BSPyyqvVNk/CmH1b7SrzfQUOYS CnSJGvEJOgAeWcvJq4YQa9gUVj9Yvqfgw17AiIH2ZilEWSzM55y0a5RBvlIkF9ZPxPaJ ErCDMlDU6Vq4aoEkHx+zjsu8JrIGaMhXxJ6lLdbfaGb10i8Gr02SSlpIgqvEmwHYGD3Z s7W457qtWbL9wt0e9e+t7C/2o4oS33HlPz2BitnQnM+rkI56BPp4ieDPZKYh+MK82NPD dfg4iaqG4Le1mquFo3+wFDipBTGK8V0HLNwzoqh+U6+cU4GaeJOCqpC3O7YVws58Hero VYDA== X-Gm-Message-State: AOJu0YycJoreLCgYFnTCPA2MuBjX1g/I8yAIu3Zf2hdmPzliViGA6ZUX iv5rYXCQ07qoTNaQ+F8gmOw= X-Google-Smtp-Source: AGHT+IFiJoeta9M8uZxfsYLguNw2WHIfFzSL0lORiY6JAAsa+HGRxv9RsKq/xYxkQMwD/bPRKw6+6g== X-Received: by 2002:a05:6a00:39a8:b0:692:ad93:e852 with SMTP id fi40-20020a056a0039a800b00692ad93e852mr1470821pfb.2.1696393384991; Tue, 03 Oct 2023 21:23:04 -0700 (PDT) Received: from hoboy.vegasvil.org ([2601:640:8000:54:e2d5:5eff:fea5:802f]) by smtp.gmail.com with ESMTPSA id j25-20020a62b619000000b0068fe5a5a566sm2252035pff.142.2023.10.03.21.23.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 03 Oct 2023 21:23:04 -0700 (PDT) Date: Tue, 3 Oct 2023 21:23:01 -0700 From: Richard Cochran To: Mahesh Bandewar =?utf-8?B?KOCkruCkueClh+CktiDgpKzgpILgpKHgpYfgpLXgpL4=?= =?utf-8?B?4KSwKQ==?= Cc: Netdev , Linux , David Miller , Jakub Kicinski , Eric Dumazet , Paolo Abeni , Jonathan Corbet , Don Hatchett , Yuliang Li , Mahesh Bandewar , Rahul Rameshbabu Subject: Re: [PATCH 3/4] ptp: add ioctl interface for ptp_gettimex64any() Message-ID: References: <20230929023743.1611460-1-maheshb@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Oct 02, 2023 at 05:29:58PM -0700, Mahesh Bandewar (महेश बंडेवार) wrote: > The purpose of this API is not to compare clocks but to get the width > of reading the MTS value (offered by NICs) in terms of the timebase > that is selected to essentially improve the accuracy. What is MTS ?