From patchwork Sat Aug 28 21:12:46 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Machnikowski, Maciej" X-Patchwork-Id: 503953 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 4D125C4320E for ; Sat, 28 Aug 2021 21:28:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1AC4360E99 for ; Sat, 28 Aug 2021 21:28:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234612AbhH1V3O (ORCPT ); Sat, 28 Aug 2021 17:29:14 -0400 Received: from mga06.intel.com ([134.134.136.31]:33138 "EHLO mga06.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232060AbhH1V3N (ORCPT ); Sat, 28 Aug 2021 17:29:13 -0400 X-IronPort-AV: E=McAfee;i="6200,9189,10090"; a="279133487" X-IronPort-AV: E=Sophos;i="5.84,359,1620716400"; d="scan'208";a="279133487" Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Aug 2021 14:28:21 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.84,359,1620716400"; d="scan'208";a="688086357" Received: from unknown (HELO localhost.igk.intel.com) ([10.102.22.231]) by fmsmga005.fm.intel.com with ESMTP; 28 Aug 2021 14:28:19 -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 net-next 0/2] Add RTNL interface for SyncE Date: Sat, 28 Aug 2021 23:12:46 +0200 Message-Id: <20210828211248.3337476-1-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 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(-)