From patchwork Thu Oct 3 21:37:52 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arkadiusz Kubalewski X-Patchwork-Id: 1992520 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=osuosl.org header.i=@osuosl.org header.a=rsa-sha256 header.s=default header.b=QDWITUuS; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=osuosl.org (client-ip=2605:bc80:3010::133; helo=smtp2.osuosl.org; envelope-from=intel-wired-lan-bounces@osuosl.org; receiver=patchwork.ozlabs.org) Received: from smtp2.osuosl.org (smtp2.osuosl.org [IPv6:2605:bc80:3010::133]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (secp384r1) server-digest SHA384) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4XKQBs4wHvz1xt7 for ; 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Thu, 3 Oct 2024 21:42:38 +0000 (UTC) X-CSE-ConnectionGUID: m+IIQ5gYQC6KNE3Crkxfhg== X-CSE-MsgGUID: /+JLlqDLRXGh7kLrOMViiQ== X-IronPort-AV: E=McAfee;i="6700,10204,11214"; a="27379819" X-IronPort-AV: E=Sophos;i="6.11,175,1725346800"; d="scan'208";a="27379819" Received: from orviesa001.jf.intel.com ([10.64.159.141]) by fmvoesa108.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Oct 2024 14:42:38 -0700 X-CSE-ConnectionGUID: XuuXMZiPTki47129Ddd60g== X-CSE-MsgGUID: oEvwIaxaSq+e5GR0owYtNg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.11,175,1725346800"; d="scan'208";a="111952979" Received: from amlin-018-114.igk.intel.com ([10.102.18.114]) by orviesa001.jf.intel.com with ESMTP; 03 Oct 2024 14:42:36 -0700 From: Arkadiusz Kubalewski To: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, intel-wired-lan@lists.osuosl.org Date: Thu, 3 Oct 2024 23:37:52 +0200 Message-Id: <20241003213754.926691-1-arkadiusz.kubalewski@intel.com> X-Mailer: git-send-email 2.38.1 MIME-Version: 1.0 X-Mailman-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1727991759; x=1759527759; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=TJiRZ1KiEkFkyQI8bb1tW621Tath3UYQnH3N2XGvdVQ=; b=F73ADI3F5B7E/lGLexEY53T73u3ep1DX6p3rAoDt56B0ku2DeKzL9AoB cdxa12nLFYqyS0Q0DzBYtUjG6n23wzckPql//FfO5K5WKUfVef4STp37Z PjOwTUImRC8G1Fw/nrhJCAQreT+mt6d67tCxcfO2sT778oPm7/C3xQsM/ 46u5qK0VaRbULlIoGJC3Ka/qxAGOzQw0WSUeC6kJBgk+BBPJszWkNSIDO ZybAlG4aUquTUhUaOkFXRVcybOuj+9Ak95M5/b86aIKrhi3GaqeS/+dap 5UnBZLHU2L+x0k2rr8557wPpUuDHGFfhMt8wLG3Jep25KHKZpZYCE4272 A==; X-Mailman-Original-Authentication-Results: smtp4.osuosl.org; dmarc=pass (p=none dis=none) header.from=intel.com X-Mailman-Original-Authentication-Results: smtp4.osuosl.org; dkim=pass (2048-bit key, unprotected) header.d=intel.com header.i=@intel.com header.a=rsa-sha256 header.s=Intel header.b=F73ADI3F Subject: [Intel-wired-lan] [RFC PATCH 0/2] ptp: add control over HW timestamp latch point 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: przemyslaw.kitszel@intel.com, richardcochran@gmail.com, Arkadiusz Kubalewski , edumazet@google.com, anthony.l.nguyen@intel.com, kuba@kernel.org, pabeni@redhat.com, davem@davemloft.net Errors-To: intel-wired-lan-bounces@osuosl.org Sender: "Intel-wired-lan" 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. Arkadiusz Kubalewski (2): ptp: add control over HW timestamp latch point ice: ptp: add control over HW timestamp latch point drivers/net/ethernet/intel/ice/ice_ptp.c | 48 +++++++++++++++++++ drivers/net/ethernet/intel/ice/ice_ptp_hw.c | 52 +++++++++++++++++++++ drivers/net/ethernet/intel/ice/ice_ptp_hw.h | 3 +- drivers/ptp/ptp_sysfs.c | 44 +++++++++++++++++ include/linux/ptp_clock_kernel.h | 26 +++++++++++ 5 files changed, 172 insertions(+), 1 deletion(-)