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 smtp1.osuosl.org (smtp1.osuosl.org [140.211.166.138]) (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 C4BD9D36129 for ; Wed, 6 Nov 2024 02:05:03 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp1.osuosl.org (Postfix) with ESMTP id 6C2FA80BD1; Wed, 6 Nov 2024 02:05:03 +0000 (UTC) X-Virus-Scanned: amavis at osuosl.org Received: from smtp1.osuosl.org ([127.0.0.1]) by localhost (smtp1.osuosl.org [127.0.0.1]) (amavis, port 10024) with ESMTP id FgPqRQ9VCS_G; Wed, 6 Nov 2024 02:05:02 +0000 (UTC) X-Comment: SPF check N/A for local connections - client-ip=140.211.166.142; helo=lists1.osuosl.org; envelope-from=intel-wired-lan-bounces@osuosl.org; receiver= DKIM-Filter: OpenDKIM Filter v2.11.0 smtp1.osuosl.org D010180B7F DKIM-Signature: v=1; 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Wed, 6 Nov 2024 02:05:01 +0000 (UTC) X-Virus-Scanned: amavis at osuosl.org Received: from smtp1.osuosl.org ([127.0.0.1]) by localhost (smtp1.osuosl.org [127.0.0.1]) (amavis, port 10024) with ESMTP id ImYw8PmCIMrm for ; Wed, 6 Nov 2024 02:05:00 +0000 (UTC) Received-SPF: Pass (mailfrom) identity=mailfrom; client-ip=139.178.84.217; helo=dfw.source.kernel.org; envelope-from=kuba@kernel.org; receiver= DMARC-Filter: OpenDMARC Filter v1.4.2 smtp1.osuosl.org 86EF780B02 DKIM-Filter: OpenDKIM Filter v2.11.0 smtp1.osuosl.org 86EF780B02 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by smtp1.osuosl.org (Postfix) with ESMTPS id 86EF780B02 for ; Wed, 6 Nov 2024 02:05:00 +0000 (UTC) Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id 058815C10AE; Wed, 6 Nov 2024 02:04:15 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id EFDD0C4CECF; Wed, 6 Nov 2024 02:04:58 +0000 (UTC) Date: Tue, 5 Nov 2024 18:04:57 -0800 From: Jakub Kicinski To: Arkadiusz Kubalewski Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, intel-wired-lan@lists.osuosl.org, anthony.l.nguyen@intel.com, przemyslaw.kitszel@intel.com, davem@davemloft.net, edumazet@google.com, pabeni@redhat.com, richardcochran@gmail.com, Aleksandr Loktionov Message-ID: <20241105180457.01c54f15@kernel.org> In-Reply-To: <20241106010756.1588973-2-arkadiusz.kubalewski@intel.com> References: <20241106010756.1588973-1-arkadiusz.kubalewski@intel.com> <20241106010756.1588973-2-arkadiusz.kubalewski@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Mailman-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1730858699; bh=FzSRliyBhUYrj6Xp5rBHLlRQ8OTE+NIc4/G8yoAocPQ=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=PkgvcUzU/joUyXRQhQLOzEbKQTtWFsqPH9F4Dit9tMYhQNULXAYYtjz1Vc4yqTqKt Kt+POgKZp2V5K/leBqsvY7Qp1Ez4T6d6352Tdsi0aJjIZPwAYDEuYKgOJUJzyB4c5k L/ReicyiQlUSSfQ5wZIPJA5GErw4lHIo1Y2rcnjirpQ5EU72iI0O1LNXA5V3tBtKt8 kBwdFJfLa7PnundZhoVqTJWRflS4SNqzLAboQBEMqeNyPAdBUHdoXxTZDKVqfERImU iG4/q8C1SExmZ3Xj7aBSYy/P/Jzl55juAjl8Ld8wXQUCOsyMgCCdsh9GxhQywftrfk o0nO27KrMmkLA== X-Mailman-Original-Authentication-Results: smtp1.osuosl.org; dmarc=pass (p=quarantine dis=none) header.from=kernel.org X-Mailman-Original-Authentication-Results: smtp1.osuosl.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=PkgvcUzU Subject: Re: [Intel-wired-lan] [PATCH net-next v3 1/2] ptp: add control over HW timestamp latch point X-BeenThere: intel-wired-lan@osuosl.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Intel Wired Ethernet Linux Kernel Driver Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-wired-lan-bounces@osuosl.org Sender: "Intel-wired-lan" On Wed, 6 Nov 2024 02:07:55 +0100 Arkadiusz Kubalewski wrote: > +What: /sys/class/ptp/ptp/ts_point > +Date: October 2024 > +Contact: Arkadiusz Kubalewski > +Description: > + This file provides control over the point in time in > + which the HW timestamp is latched. As specified in IEEE > + 802.3cx, the latch point can be either at the beginning > + or after the end of Start of Frame Delimiter (SFD). > + Value "1" means the timestamp is latched at the > + beginning of the SFD. Value "2" means that timestamp is > + latched after the end of SFD. Richard has the final say but IMO packet timestamping config does not belong to the PHC, rather ndo_hwtstamp_set.