From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.11]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BC41718E74D; Mon, 28 Oct 2024 20:52:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.11 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730148770; cv=none; b=G/qpkXJyq65dUvXIs6j9BeqLqvj75UfE9L5jNzUdF1Gn15RB728PHoP84ZDcO/MAd4Mv3a62EL9viNbKDnXZDWw+FClkx0APNiv2PcOcon0Pweoi8UnOB/vw0TWpqXKbFrlrp9y1ejbOm0tKEaUN9GLixcYsb70DPCI2DWcmXY8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730148770; c=relaxed/simple; bh=YVZg364ptJ72Fklhh29w8DZbzdTPXGbfqRhiLiXk/xI=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=VVxHFlSNSvaTObMoOo9VicN9ED0Psihm0ZAPXAx3Zwre1KYoscz66q29mQ8IKK8xNxOrQPPcvlIcLuMy/vI1wznDrOt4xKFK6H8MnXBVb7Y852PfdXAVY816rVmyvLzmzLqjjijMCWjA2r87X51VNI51MNur0MlRQvMq7t80Wek= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=DXS/iS/9; arc=none smtp.client-ip=192.198.163.11 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="DXS/iS/9" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1730148766; x=1761684766; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=YVZg364ptJ72Fklhh29w8DZbzdTPXGbfqRhiLiXk/xI=; b=DXS/iS/9qPK/hcqljU8DVAO77av/2LtdmwzCyTLwdRqiduloBZrHBT7g rrJ/tVJ+f8fz6yHZpJTOiFVU/pnZU7ABieCXSHxNOha2GXgqcMgLliEgn PIjTG4teMtzEjkm1AbxLDuMk2Sb4Jkk7OfIF/1FIq5M/Vtx4d0IjKXyfV 3wz1dJbValdoSsKb/YWeTqKam4/YkNlXYExPDaZfSYwTB45h3s4PhvlFQ mpv4LZ9xfe5TwHtNzcClQepff2Vk68aiZvVEdLVAn4t9PQvPfIAL+y5m0 dwYGrx6Erd3M2mGI/ELfC92Z4D5Aywq3kDt8eJekGKlGQBQ6qk2byaMNm g==; X-CSE-ConnectionGUID: 3YtJGQ9tQWWssIDJTKg5tg== X-CSE-MsgGUID: r4Q3nA61SGixuUO5wdFVGQ== X-IronPort-AV: E=McAfee;i="6700,10204,11239"; a="40343535" X-IronPort-AV: E=Sophos;i="6.11,240,1725346800"; d="scan'208";a="40343535" Received: from fmviesa007.fm.intel.com ([10.60.135.147]) by fmvoesa105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Oct 2024 13:52:45 -0700 X-CSE-ConnectionGUID: gJu44IRbQICm3vla+aOuxQ== X-CSE-MsgGUID: gmvpQjH2SQOQVNio/Cey/g== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.11,240,1725346800"; d="scan'208";a="81358537" Received: from amlin-018-114.igk.intel.com ([10.102.18.114]) by fmviesa007.fm.intel.com with ESMTP; 28 Oct 2024 13:52:42 -0700 From: Arkadiusz Kubalewski To: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, intel-wired-lan@lists.osuosl.org Cc: anthony.l.nguyen@intel.com, przemyslaw.kitszel@intel.com, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, richardcochran@gmail.com, Arkadiusz Kubalewski Subject: [PATCH net-next v2 0/2] ptp: add control over HW timestamp latch point Date: Mon, 28 Oct 2024 21:47:53 +0100 Message-Id: <20241028204755.1514189-1-arkadiusz.kubalewski@intel.com> X-Mailer: git-send-email 2.38.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit HW support of PTP/timesync solutions in network PHY chips can be achieved with two different approaches, the timestamp maybe latched either in the beginning or after the Start of Frame Delimiter (SFD) [1]. Allow ptp device drivers to provide user with control over the timestamp latch point. [1] https://www.ieee802.org/3/cx/public/april20/tse_3cx_01_0420.pdf Arkadiusz Kubalewski (2): ptp: add control over HW timestamp latch point ice: ptp: add control over HW timestamp latch point Documentation/ABI/testing/sysfs-ptp | 12 +++++ drivers/net/ethernet/intel/ice/ice_ptp.c | 44 +++++++++++++++ drivers/net/ethernet/intel/ice/ice_ptp_hw.c | 59 +++++++++++++++++++++ drivers/net/ethernet/intel/ice/ice_ptp_hw.h | 2 + drivers/ptp/ptp_sysfs.c | 44 +++++++++++++++ include/linux/ptp_clock_kernel.h | 30 +++++++++++ 6 files changed, 191 insertions(+) -- 2.38.1