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 X-Spam-Level: X-Spam-Status: No, score=-16.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 8B0CDC4320A for ; Tue, 24 Aug 2021 10:12:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6B508610FD for ; Tue, 24 Aug 2021 10:12:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236040AbhHXKNg (ORCPT ); Tue, 24 Aug 2021 06:13:36 -0400 Received: from mail-mw2nam12on2071.outbound.protection.outlook.com ([40.107.244.71]:62529 "EHLO NAM12-MW2-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S236023AbhHXKNc (ORCPT ); Tue, 24 Aug 2021 06:13:32 -0400 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=YXwU20lqfnRcuNBKfqlRkGMsUI9OxlAoj4FrznmOrjKROp2ODEKa/RFFPIXSjZ5I5hVtF5Bw8ODYMjwMC1xgj0N1orCdROMuLRRuUXOHyQkZT7dxHnyKLWaPzRQKNHPj+c6C7ZsyKC9QHIRJfrrtfGOeuaQmpC1IUVhNoqsWbi4Dy2e1icD9PTYly7h37iEHQkfspXMFCozi+bb07yR+fEvdyq6/H8W/J4P5RC2mxpyXtbEYA6683C+UV7D/Sk65W3W2l43gW4JiaDkL/iuOlGOKG+/rAc2gFGh/tj8vHmhEBAwqaSaQO6GVNnlKXLXRIWMclEsnAToB2DbdNTz1fg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=VaHEtZVAE5l3wF0eTHPwRrBhHJ7VYDxhLGJTEHl7PSo=; b=kZK4qkBPzuaWyiRH3ENi9sktgGRY0RnhLUjwQgVraLxZTEN/WU9SIZWOTt8n3l8c8PwkbtGOvaoHmqbwEK9HueFvjTLEN4WOf7K189JEafx7FgplaaIebuP35dsPZY2EWOzHYyPYIfrtMx2TXollsjKNnNszjStp4f4MmOhHbr7TBWlTeETAj3nB7KZaJic1o0QaBhIef+a9iMpGcuutEVdAUkF3AG0dech9VN+nMm/TStt2b7GV5R+fhgGPCGaeN8E50ZEL58jYKHAmerQ+IK0vi2KeioBHcyhtmXSEsnxOt3CBIgbPIbaudUdyyOX2tcMkz6OUl+9vShYD1Yc4vw== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 149.199.62.198) smtp.rcpttodomain=microchip.com smtp.mailfrom=xilinx.com; dmarc=pass (p=none sp=none pct=100) action=none header.from=xilinx.com; dkim=none (message not signed); arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=xilinx.onmicrosoft.com; s=selector2-xilinx-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=VaHEtZVAE5l3wF0eTHPwRrBhHJ7VYDxhLGJTEHl7PSo=; b=S19hSZJCvd3oNPV5WEC4KioU4DuwFj85434Qn469uLk4mUywj3LiYtG5hyU6hF17glgtUy2sxV62vCGjZMtaGvUsFs7kIDCpDYU4pimGLL1Jz7PnaBMHFXCh89ahr0f9cpAH53ZyiqzkamEppSv16xr+IaCD+6Nj1NCHvvVJSDE= Received: from SN4PR0701CA0015.namprd07.prod.outlook.com (2603:10b6:803:28::25) by BL3PR02MB7940.namprd02.prod.outlook.com (2603:10b6:208:357::10) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4436.19; Tue, 24 Aug 2021 10:12:43 +0000 Received: from SN1NAM02FT0064.eop-nam02.prod.protection.outlook.com (2603:10b6:803:28:cafe::d8) by SN4PR0701CA0015.outlook.office365.com (2603:10b6:803:28::25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4436.19 via Frontend Transport; Tue, 24 Aug 2021 10:12:43 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 149.199.62.198) smtp.mailfrom=xilinx.com; microchip.com; dkim=none (message not signed) header.d=none;microchip.com; dmarc=pass action=none header.from=xilinx.com; Received-SPF: Pass (protection.outlook.com: domain of xilinx.com designates 149.199.62.198 as permitted sender) receiver=protection.outlook.com; client-ip=149.199.62.198; helo=xsj-pvapexch01.xlnx.xilinx.com; Received: from xsj-pvapexch01.xlnx.xilinx.com (149.199.62.198) by SN1NAM02FT0064.mail.protection.outlook.com (10.97.4.66) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.4436.19 via Frontend Transport; Tue, 24 Aug 2021 10:12:42 +0000 Received: from xsj-pvapexch02.xlnx.xilinx.com (172.19.86.41) by xsj-pvapexch01.xlnx.xilinx.com (172.19.86.40) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.14; Tue, 24 Aug 2021 03:12:42 -0700 Received: from smtp.xilinx.com (172.19.127.96) by xsj-pvapexch02.xlnx.xilinx.com (172.19.86.41) with Microsoft SMTP Server id 15.1.2176.14 via Frontend Transport; Tue, 24 Aug 2021 03:12:42 -0700 Envelope-to: nicolas.ferre@microchip.com, davem@davemloft.net, richardcochran@gmail.com, claudiu.beznea@microchip.com, andrei.pistirica@microchip.com, kuba@kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, harinikatakamlinux@gmail.com Received: from [10.140.6.13] (port=53514 helo=xhdharinik40.xilinx.com) by smtp.xilinx.com with esmtp (Exim 4.90) (envelope-from ) id 1mITQ9-000CJ2-MR; Tue, 24 Aug 2021 03:12:42 -0700 From: Harini Katakam To: , , , , , CC: , , , , Subject: [RFC PATCH] net: macb: Process tx timestamp only on ptp packets Date: Tue, 24 Aug 2021 15:42:38 +0530 Message-ID: <20210824101238.21105-1-harini.katakam@xilinx.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 Content-Type: text/plain X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: ea8bb374-d9f0-498d-0c7c-08d966e7b604 X-MS-TrafficTypeDiagnostic: BL3PR02MB7940: X-Microsoft-Antispam-PRVS: X-Auto-Response-Suppress: DR, RN, NRN, OOF, AutoReply X-MS-Oob-TLC-OOBClassifiers: OLM:6108; X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:149.199.62.198;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:xsj-pvapexch01.xlnx.xilinx.com;PTR:unknown-62-198.xilinx.com;CAT:NONE;SFS:(4636009)(346002)(136003)(39860400002)(376002)(396003)(46966006)(36840700001)(426003)(47076005)(336012)(110136005)(5660300002)(478600001)(316002)(7696005)(36906005)(44832011)(8676002)(6666004)(7636003)(26005)(4326008)(82740400003)(2906002)(356005)(2616005)(82310400003)(36860700001)(186003)(9786002)(70206006)(70586007)(83380400001)(54906003)(1076003)(107886003)(36756003)(8936002)(102446001);DIR:OUT;SFP:1101; X-OriginatorOrg: xilinx.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 24 Aug 2021 10:12:42.6023 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: ea8bb374-d9f0-498d-0c7c-08d966e7b604 X-MS-Exchange-CrossTenant-Id: 657af505-d5df-48d0-8300-c31994686c5c X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=657af505-d5df-48d0-8300-c31994686c5c;Ip=[149.199.62.198];Helo=[xsj-pvapexch01.xlnx.xilinx.com] X-MS-Exchange-CrossTenant-AuthSource: SN1NAM02FT0064.eop-nam02.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BL3PR02MB7940 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The current implementation timestamps all packets and also processes the BD timestamp for the same. While it is true that HWTSTAMP_TX_ON enables timestamps for outgoing packets, the sender of the packet i.e. linuxptp enables timestamp for PTP or PTP event packets. Cadence GEM IP has a provision to enable this in HW only for PTP packets. Enable this option in DMA BD settings register to decrease overhead. Signed-off-by: Harini Katakam Acked-by: Radhey Shyam Pandey Signed-off-by: Michal Simek --- drivers/net/ethernet/cadence/macb_ptp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/cadence/macb_ptp.c b/drivers/net/ethernet/cadence/macb_ptp.c index c2e1f163bb14..e4f26d972219 100644 --- a/drivers/net/ethernet/cadence/macb_ptp.c +++ b/drivers/net/ethernet/cadence/macb_ptp.c @@ -471,7 +471,7 @@ int gem_set_hwtst(struct net_device *dev, struct ifreq *ifr, int cmd) return -ERANGE; fallthrough; case HWTSTAMP_TX_ON: - tx_bd_control = TSTAMP_ALL_FRAMES; + tx_bd_control = TSTAMP_ALL_PTP_FRAMES; break; default: return -ERANGE; -- 2.17.1