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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6FBA0C4332F for ; Mon, 17 Oct 2022 17:19:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230200AbiJQRT2 (ORCPT ); Mon, 17 Oct 2022 13:19:28 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38558 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230190AbiJQRT0 (ORCPT ); Mon, 17 Oct 2022 13:19:26 -0400 Received: from mail-ed1-x52c.google.com (mail-ed1-x52c.google.com [IPv6:2a00:1450:4864:20::52c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EDF9AC4A; Mon, 17 Oct 2022 10:19:21 -0700 (PDT) Received: by mail-ed1-x52c.google.com with SMTP id z97so17028545ede.8; Mon, 17 Oct 2022 10:19:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=rMglibETToQb8dPBGbxr6FHH36nbwiMc9pZGdb7n6oM=; b=oveX0QP/1N8fJTSTxdiHHnuTEpvHY3UoN5/Ttgaqtdr3V1PKGHIJ1p7mzauGSspEX5 U3MZwy2+ysRYw3K/b7UI3LJTG3uPNJ6EbrYkts/lmuU+DhcC6Sfx2u2kzdw74mj8a/ms NCsDdLSxxR2CstXwWD+rq1uHqfdCufrm99Pg1owPBIANoOdiI63bgxmKmwEB4/uLPuoU BLIdGM5QhWH0JlQmJLtKKOcWchP7n8fJBmItH+ijHhl6hDwuY2wG2kIcFdxXmHllda+c AWsXB18A2C2i6kGBB4F78Cxf0oF07+++WAQzLbGPV8poYaKDun2+DIQaGYhx5claJrpY Rc8A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=rMglibETToQb8dPBGbxr6FHH36nbwiMc9pZGdb7n6oM=; b=KBbtuHo/bGSLF8+cn+kPXRF+A9t0Dg3AN9otGdsuUZrb5iAAxLiM+qLmAdQBPcIP10 n0bcfg5Nl/ZNqxK9nxFzT3hIYqY4UffROy5aLClwG19MUKSMqx4PQEy2XYJasiY+PXO/ 80jro/zhZ/JZu13dirIiyrCqxkoKIozl5lelHXTAHqqWTrVwjZ55Gco/WhiEz8EqdShh YsaZeqyqIvFuIKZ0Im9esS98SUaJ+KDrEGsZvCVf6BJD4bGAvUizVR5J4JH7c0GWISlI DffB/1FyOxtSRnEzjGJ0ojZvjqvhkA6v4yQxWkC8wgTi9Dj9329gEsv9Em2Ln+j3pWTI 6LFA== X-Gm-Message-State: ACrzQf30Ha1/i0Jo0l0zZUyBtB/nYeJqIR3/ezwp6YuKyHts6fseWGKB yPeyyoz/UwfZ17ftcdmxYYuP1UjQTOc= X-Google-Smtp-Source: AMsMyM7q5L8G70qX89ejUU9HnhYARrJxMRcNM7opEgbDiC+f1m6kauangYtrOL6XhA6NklFlg2uzgg== X-Received: by 2002:a05:6402:320e:b0:45c:ae50:dbca with SMTP id g14-20020a056402320e00b0045cae50dbcamr11321231eda.104.1666027160328; Mon, 17 Oct 2022 10:19:20 -0700 (PDT) Received: from skbuf ([188.27.184.197]) by smtp.gmail.com with ESMTPSA id q7-20020a170906540700b0078d9cd0d2d6sm6564554ejo.11.2022.10.17.10.19.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 17 Oct 2022 10:19:19 -0700 (PDT) Date: Mon, 17 Oct 2022 20:19:16 +0300 From: Vladimir Oltean To: Arun Ramadoss Cc: linux-kernel@vger.kernel.org, netdev@vger.kernel.org, woojung.huh@microchip.com, UNGLinuxDriver@microchip.com, andrew@lunn.ch, vivien.didelot@gmail.com, f.fainelli@gmail.com, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, linux@armlinux.org.uk, Tristram.Ha@microchip.com, richardcochran@gmail.com, ceggers@arri.de, b.hutchman@gmail.com Subject: Re: [RFC Patch net-next 0/6] net: dsa: microchip: add gPTP support for LAN937x switch Message-ID: <20221017171916.oszpyxfnblezee6u@skbuf> References: <20221014152857.32645-1-arun.ramadoss@microchip.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20221014152857.32645-1-arun.ramadoss@microchip.com> Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Hi Arun, On Fri, Oct 14, 2022 at 08:58:51PM +0530, Arun Ramadoss wrote: > The LAN937x switch has capable for supporting IEEE 1588 PTP protocol. This > patch series add gPTP profile support and tested using the ptp4l application. > LAN937x has the same PTP register set similar to KSZ9563, hence the > implementation has been made common for the ksz switches. But the testing is > done only for lan937x switch. Would it be possible to actually test these patches on KSZ9563? Christian Eggers tried to add PTP support for this switch a while ago, and he claims that two-step TX timestamping was de-featured for KSZ95xx due to hardware errata. https://patchwork.ozlabs.org/project/netdev/patch/20201019172435.4416-8-ceggers@arri.de/ > > Arun Ramadoss (6): > net: dsa: microchip: adding the posix clock support > net: dsa: microchip: Initial hardware time stamping support > net: dsa: microchip: Manipulating absolute time using ptp hw clock > net: dsa: microchip: enable the ptp interrupt for timestamping > net: dsa: microchip: Adding the ptp packet reception logic > net: dsa: microchip: add the transmission tstamp logic > > drivers/net/dsa/microchip/Kconfig | 10 + > drivers/net/dsa/microchip/Makefile | 1 + > drivers/net/dsa/microchip/ksz_common.c | 43 +- > drivers/net/dsa/microchip/ksz_common.h | 31 + > drivers/net/dsa/microchip/ksz_ptp.c | 755 ++++++++++++++++++++++++ > drivers/net/dsa/microchip/ksz_ptp.h | 84 +++ > drivers/net/dsa/microchip/ksz_ptp_reg.h | 68 +++ > include/linux/dsa/ksz_common.h | 53 ++ > net/dsa/tag_ksz.c | 156 ++++- > 9 files changed, 1192 insertions(+), 9 deletions(-) > create mode 100644 drivers/net/dsa/microchip/ksz_ptp.c > create mode 100644 drivers/net/dsa/microchip/ksz_ptp.h > create mode 100644 drivers/net/dsa/microchip/ksz_ptp_reg.h > create mode 100644 include/linux/dsa/ksz_common.h > > > base-commit: 66ae04368efbe20eb8951c9a76158f99ce672f25 > -- > 2.36.1 >