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 8E057C4167B for ; Wed, 29 Nov 2023 23:56:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231526AbjK2X4J (ORCPT ); Wed, 29 Nov 2023 18:56:09 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58362 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229575AbjK2X4I (ORCPT ); Wed, 29 Nov 2023 18:56:08 -0500 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 924ABB2 for ; Wed, 29 Nov 2023 15:56:15 -0800 (PST) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 14715C433C7; Wed, 29 Nov 2023 23:56:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1701302175; bh=FK/XJ8k7CN61Y+SQ5dJKbLrahAUivCDGaeaXNYqZt2o=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=AFXAyTX8Shnb4CIfE2Q9iYTgz1rK2nby7PMOiNBV/45sKOjLIx5NneSuAvTv6EkaL JOh/PJ8LwvfYrUf5Mj8Ec9+YNi9MK95wCaAGSuqurmuQGxxlRnuAInXET197tMJ0uk ZqrHS/KYCVXvBPx+czULvcNeJCQ97V3TmZq6Bc3OJLbGR0deix0gKlCXmkzYdrjZM+ se383zhQwlecOmBxmULwQIUtVYRjWnmyRWhnEZ52T1ISWl9D1bjIE/aPHM5pI+yDdp McUSwJa6s1GuMB/px6+xtgoGV/NkZ97VpOsClujI26bdxBH0AvZCBibYeNYy1Vp3fm vF4+wHzwG3PTw== Date: Wed, 29 Nov 2023 15:56:13 -0800 From: Jakub Kicinski To: =?UTF-8?B?S8O2cnk=?= Maincent Cc: Vladimir Oltean , Andrew Lunn , Florian Fainelli , Broadcom internal kernel review list , Heiner Kallweit , Russell King , "David S. Miller" , Eric Dumazet , Paolo Abeni , Richard Cochran , Radu Pirea , Jay Vosburgh , Andy Gospodarek , Nicolas Ferre , Claudiu Beznea , Willem de Bruijn , Jonathan Corbet , Horatiu Vultur , UNGLinuxDriver@microchip.com, Simon Horman , Thomas Petazzoni , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, Maxime Chevallier , rrameshbabu@nvidia.com Subject: Re: [PATCH net-next v7 15/16] net: ethtool: ts: Let the active time stamping layer be selectable Message-ID: <20231129155613.58c4b93b@kernel.org> In-Reply-To: <20231129230034.7301d8b2@kmaincent-XPS-13-7390> References: <20231120121440.3274d44c@kmaincent-XPS-13-7390> <20231120120601.ondrhbkqpnaozl2q@skbuf> <20231120144929.3375317e@kmaincent-XPS-13-7390> <20231120142316.d2emoaqeej2pg4s3@skbuf> <20231120093723.4d88fb2a@kernel.org> <157c68b0-687e-4333-9d59-fad3f5032345@lunn.ch> <20231120105148.064dc4bd@kernel.org> <20231120195858.wpaymolv6ws4hntp@skbuf> <20231120134551.30d0306c@kernel.org> <20231129210959.19e1e2b7@kmaincent-XPS-13-7390> <20231129203700.ckpkc4r5bwwudwpf@skbuf> <20231129230034.7301d8b2@kmaincent-XPS-13-7390> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 29 Nov 2023 23:00:34 +0100 K=C3=B6ry Maincent wrote: > > Not sure why you say "not used", though. Are you not planning to expose > > the qualifier as an attribute to the listing of hwtstamp providers > > offered to user space by ETHTOOL_MSG_TSINFO_GET? =20 >=20 > Yes I will, I was just saying that all the PHC would be set as precise fo= r now. > Approximate timestamp quality won't be used because IIUC there are no NIC= driver > supporting it yet. Agreed that we should add the attr from the start. Maybe we can ask/work with Rahul to implement the right thing in mlx5? Failing that we can mark mlx5 as imprecise, until its sorted out. So that we have both types in the tree.