From patchwork Sun Aug 29 08:05:10 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Machnikowski, Maciej" X-Patchwork-Id: 504240 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-11.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 53CEBC4320E for ; Sun, 29 Aug 2021 08:21:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3A5A960C41 for ; Sun, 29 Aug 2021 08:21:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234847AbhH2IVt (ORCPT ); Sun, 29 Aug 2021 04:21:49 -0400 Received: from mga06.intel.com ([134.134.136.31]:5924 "EHLO mga06.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232569AbhH2IVn (ORCPT ); Sun, 29 Aug 2021 04:21:43 -0400 X-IronPort-AV: E=McAfee;i="6200,9189,10090"; a="279156558" X-IronPort-AV: E=Sophos;i="5.84,361,1620716400"; d="scan'208";a="279156558" Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Aug 2021 01:20:46 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.84,361,1620716400"; d="scan'208";a="518329730" Received: from unknown (HELO localhost.igk.intel.com) ([10.102.22.231]) by fmsmga004.fm.intel.com with ESMTP; 29 Aug 2021 01:20:44 -0700 From: Maciej Machnikowski To: maciej.machnikowski@intel.com, netdev@vger.kernel.org, intel-wired-lan@lists.osuosl.org Cc: richardcochran@gmail.com, abyagowi@fb.com, anthony.l.nguyen@intel.com, davem@davemloft.net, kuba@kernel.org, linux-kselftest@vger.kernel.org Subject: [RFC v2 net-next 0/2] Add RTNL interface for SyncE Date: Sun, 29 Aug 2021 10:05:10 +0200 Message-Id: <20210829080512.3573627-1-maciej.machnikowski@intel.com> X-Mailer: git-send-email 2.26.3 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Synchronous Ethernet networks use a physical layer clock to syntonize the frequency across different network elements. Multiple reference clock sources can be used. Clocks recovered from PHY ports on the RX side or external sources like 1PPS GPS, etc. This patch series introduces basic interface for reading the DPLL state on a SyncE capable device. This state gives us information about the source of the syntonization signal and whether the DPLL circuit is tuned to the incoming signal. Next steps: - add interface to enable recovered clocks and get information about them v2: - removed whitespace changes - fix issues reported by test robot Maciej Machnikowski (2): rtnetlink: Add new RTM_GETSYNCESTATE message to get SyncE status ice: add support for reading SyncE DPLL state drivers/net/ethernet/intel/ice/ice.h | 5 ++ .../net/ethernet/intel/ice/ice_adminq_cmd.h | 34 ++++++++ drivers/net/ethernet/intel/ice/ice_common.c | 62 +++++++++++++++ drivers/net/ethernet/intel/ice/ice_common.h | 4 + drivers/net/ethernet/intel/ice/ice_devids.h | 3 + drivers/net/ethernet/intel/ice/ice_main.c | 55 +++++++++++++ drivers/net/ethernet/intel/ice/ice_ptp.c | 35 +++++++++ drivers/net/ethernet/intel/ice/ice_ptp_hw.c | 44 +++++++++++ drivers/net/ethernet/intel/ice/ice_ptp_hw.h | 22 ++++++ include/linux/netdevice.h | 6 ++ include/uapi/linux/if_link.h | 43 +++++++++++ include/uapi/linux/rtnetlink.h | 11 ++- net/core/rtnetlink.c | 77 +++++++++++++++++++ security/selinux/nlmsgtab.c | 3 +- 14 files changed, 399 insertions(+), 5 deletions(-)