From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 52D2145A04; Mon, 23 Sep 2024 00:23:56 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id E11044028E; Mon, 23 Sep 2024 00:23:55 +0200 (CEST) Received: from NAM11-DM6-obe.outbound.protection.outlook.com (mail-dm6nam11on2088.outbound.protection.outlook.com [40.107.223.88]) by mails.dpdk.org (Postfix) with ESMTP id 17FAF4027D for ; Mon, 23 Sep 2024 00:23:55 +0200 (CEST) ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=GXObDzA9JJP9j8BvKMWTT8c0q0uGssvUP5NnhReQRLoY3I4/Ja9FPQxAbTZbnURJUgMuuoooiIKW90tR0zBiQs+BhlXUeN5upnhW6JtfETbY3FCVrJN9vFa7CAQA3m+ROOZWAsZ2pgW2g1myAUlPngY9JOg5nI3fLQSr/5EG60Dt6+JBt05MXjOlN7O7hszmN9dEqOku+BjsaEDlh78dBv7rqRpjtQdVuxJOs2DBESf2oBOtzwRrgBb/WBYGqlLp9+vgbYXeIV67Clgy7FgbF00YvMi1Yz1oD+tjxhpeQgvmohUNrxLWc2hDZ32Bf1WUSQP9pJz3lokQpZnek49I9w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=58pSrn9T916OpPf0wCXz08p+sOMoZ2VfsX0PWvj9SCU=; b=J1dGm1rJ3cow2sPgoSNLxdWaNmUaLuNcYjRPjTTQSLJVMpREGH2+43rQKRMMeU+2d6dNFzj0hbfpXOuGvQTjJuNvBkl4rSd8ToxGM9pcE4BwoSKaxb+AANrdf8xriaV8Z8aXqRt4VA2/6cuD7dbAxxzmSN0+YLfK3OSIO1Qi0pH6n74osWz44L/iCOjzaWFH5CZ/B6xE62wkU5Nqno+T29MZehQWnPtptC8SQSL6E4XVDc+xbCjKhzUnGpHkAcUIdIgWj5MZCFFhFZr5XFWv/2SFaGAlZMncMR6NVRyu/UezpUQmP/R7TXjicyHhkFXeFJysMr+zY/u05DQXv89wiQ== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=amd.com; dmarc=pass action=none header.from=amd.com; dkim=pass header.d=amd.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amd.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=58pSrn9T916OpPf0wCXz08p+sOMoZ2VfsX0PWvj9SCU=; b=AkYcfOo/CjOx5Yg0PNIZTBiwK/vZe5I5kS53S70gD5Tv3eNmF30cDRZGu6ZkhSv3Lv1AuHk6V1Kth9TGC65KRjuqtPyWcseN6MFloCMWx9FdV8lmjMLH37C//mA13XkfSHXvCChXKf7ktdisDOUjNnYbQFbwCbtN2ZN6q2hjSEk= Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=amd.com; Received: from SJ2PR12MB8830.namprd12.prod.outlook.com (2603:10b6:a03:4d0::9) by SA1PR12MB8162.namprd12.prod.outlook.com (2603:10b6:806:33a::18) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7982.24; Sun, 22 Sep 2024 22:23:51 +0000 Received: from SJ2PR12MB8830.namprd12.prod.outlook.com ([fe80::c3eb:df02:eaa9:2055]) by SJ2PR12MB8830.namprd12.prod.outlook.com ([fe80::c3eb:df02:eaa9:2055%4]) with mapi id 15.20.7982.022; Sun, 22 Sep 2024 22:23:51 +0000 Message-ID: Date: Sun, 22 Sep 2024 23:23:46 +0100 User-Agent: Mozilla Thunderbird Subject: Re: [RFC] ethdev: introduce PTP device capability To: Huisong Li , dev@dpdk.org, Thomas Monjalon , Andrew Rybchenko References: <20240130035820.29713-1-lihuisong@huawei.com> Content-Language: en-US From: Ferruh Yigit Autocrypt: addr=ferruh.yigit@amd.com; keydata= xsFNBGJDD3EBEAC/M7Tk/DfQSmP1K96vyzdhfSBzlCaGtcxNXorq4fALruqVsD3oi0yfyEz9 4YN8x7py0o9EL8ZdpOX0skc0AMCDAaw033uWhCn0GLMeGRKUbfOAPvL6ecSDvGD7CJIO9j0J eZUvasBgPdM/435PEr9DmC6Ggzdzt8IuG4PoLi5jpFSfcqxZFCCxLUDEo/w0nuguk2FTuYJg B2zEZ4JTBZrw7hIHiFh8D8hr6YA6a5uTofq1tr+l048lbtdFUl8TR0aIExVzE4Z8qKZlcE+9 RQaewjK5Al1jLE4sHdmd3GN+IvgDF3D/fLsi25SKJDeGSdeHkOmaX0qGeM4WKIfU6iARRCiQ N3AmBIxZ/A7UXBKLaOyZ+/i3sE6Wb53nrO4i8+0K2Qwyh6LjTeiJAIjYKN43ppxz3DaI+QwQ vI+uyHr4Gg0Da9EPPz/YyKauSeOZCfCB5gIfICO0j6x0SCl8uQ2nLpjxcZkf0gjcwUzP3h+S 3x6NfDji9YEij0zczW/dcSpGgZ6vsFpPrtnP9ZXy6J53yp0kJtOJoOlkEFFdU2yCZnCDseum CoudmGLZVvS0/DzHDJejq+3kK3FDGktZBOxZIIpal+nFqS7lVgOZc4+huVv3jyhzoAUOEyXA XK5j6o7g8STUY+z33QNnHpdLvecMwuzmvqy0jR54yAbZ64mB9QARAQABzSNGZXJydWggWWln aXQgPGZlcnJ1aC55aWdpdEBhbWQuY29tPsLBlwQTAQgAQQIbAwULCQgHAgYVCgkICwIEFgID AQIeAQIXgAIZARYhBEm7aYjps5XGsPHCElRTPtCKKm/6BQJkdyEEBQkE3meNAAoJEFRTPtCK Km/6UdcP/0/kEp49aIUhkRnQfmKmNVpcBEs4NqceNCWTQlaXdEwL1lxf1L49dsF5Jz1yvWi3 tMtq0Mk1o68mQ7q8iZAzIeLxGQAlievMNE0BzLWPFmuX+ac98ITBqKdnUAn6ig5ezR+jxrAU 58utUszDl16eMabtCu76sINL5izB8zCWcDEUB4UqM8iBSQZ7/a7TSBVS0jVBldAORg1qfFIs cGMPQn/skhy3QqbK3u3Rhc44zRxvzrQJmhY6T1rpeniHSyGOeIYqjpbpnMU5n1VWzQ4NXvAD VDkZ4NDw6CpvF4S2h2Ds7w7GKvT6RRTddrl672IaLcaWRiqBNCPm+eKh4q5/XkOXTgUqYBVg Ors8uS9EbQC/SAcp9VHF9fB+3nadxZm4CLPe5ZDJnSmgu/ea7xjWQYR8ouo2THxqNZtkercc GOxGFxIaLcJIR/XChh9d0LKgc1FfVARTMW8UrPgINVEmVSFmAVSgVfsWIV+NSpG9/e90E4SV gMLPABn1YpJ8ca/IwqovctqDDXfxZOvCPOVWTzQe/ut767W+ctGR1kRkxWcz470SycOcY+PW VRPJd91Af0GdLFkwzZgNzkd6Gyc9XXcv4lwwqBLhWrBhqPYB0aZXIG1E/cVTiRp4dWpFHAFD DcuLldjIw93lCDsIeEDM9rBizGVMWEoeFmqSe7pzGTPXzsFNBGJDD3EBEAC8fBFQHej8qgIG CBzoIEd1cZgPIARlIhRudODXoNDbwA+zJMKtOVwol3Hh1qJ2/yZP11nZsqrP4fyUvMxrwhDe WBWFVDbWHLnqXMnKuUU1vQMujbzgq/4Rb9wSMW5vBL6YxhZng+h71JgS/9nVtzyaTtsOTrJi 6nzFSDx6Wbza2jYvL9rlK0yxJcMEiKwZQ/if4KcOesD0rtxomU/iSEv6DATcJbGXP6T93nPl 90XksijRKAmOwvdu3A8IIlxiSSVRP0lxiHOeR35y6PjHY2usfEDZZOVOfDfhlCVAIBZUZALv VmFOVSTYXeKgYa6Ooaf72+cHM3SgJIbYnevJfFv8YQW0MEAJ/IXE7B1Lk+pHNxwU3VBCrKnA fd/PTvviesuYRkrRD6qqZnINeu3b2DouVGGt2fVcGA38BujCd3p8i7azoGc7A6cgF7z9ETnr ANrbg1/dJyDmkDxOxVrVquTBbxJbDy2HaIe9wyJTEK2Sznpy62DaHVY+gfDQzexBXM10geHC IIUhEnOUYVaq65X3ZDjyAQnNDBQ4uMqSHZk8DpJ22X+T+IMzWzWl+VyU4UZXjkLKPvlqPjJk 1RbKScek5L2GhxHQbPaD76Hx4Jiel0vm2G+4wei8Ay1+0YRFkhySxogU/uQVXHTv63KzQMak oIfnN/V2R0ucarsvMBW+gwARAQABwsF8BBgBCAAmAhsMFiEESbtpiOmzlcaw8cISVFM+0Ioq b/oFAmR3IPsFCQTeZ44ACgkQVFM+0Ioqb/qINhAAtcor9bevHy22HvJvXX17IOpPSklZJAeQ Az43ZEo5kRlJ8mElc2g3RzYCvL/V3fSiIATxIsLq/MDtYhO8AAvklxND/u2zeBd7BkRZTZZX W1V1cM3oTvfx3LOhDu4f2ExQzCGdkzbXTRswSJIe1W0qwsDp+YPekbrsKp1maZArGeu+6FuW honeosIrWS98QJmscEhP8ooyJkLDCCOgEk+mJ/JBjzcJGuYn6+Iy/ApMw/vqiLGL1UWekcTA g18mREHqIR+A3ZvypIufSFB52oIs1zD/uh/MgmL62bY/Cw6M2SxiVxLRsav9TNkF6ZaNQCgn GqifliCEMvEuLZRBOZSYH2A/PfwjYW0Ss0Gyfywmb2IA990gcQsXxuCLG7pAbWaeYazoYYEQ NYmWatZNMAs68ERI2zvrVxdJ/fBWAllIEd0uQ4P05GtAHPdTIDQYp545+TPV7oyF0LfXcsQs SFVZE6igdvkjfYmh+QOrHGZvpWXLTmffVf/AQ81wspzbfxJ7sYM4P8Mg5kKOsaoUdyA/2qVe cMh1CLUHXF1GlofpGbe1lj4KUJVse5g3qwV7i9VrseA8c4VIZewdIjkzAhmmbxl+8rM/LKBH dZUMTzME5PFCXJIZ83qkZQ795MTe2YScp9dIV7fsS5tpDwIs7BZNVM1l3NAdK+DLHqNxKuyO 8Zk= In-Reply-To: <20240130035820.29713-1-lihuisong@huawei.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-ClientProxiedBy: LNXP265CA0002.GBRP265.PROD.OUTLOOK.COM (2603:10a6:600:5e::14) To SJ2PR12MB8830.namprd12.prod.outlook.com (2603:10b6:a03:4d0::9) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SJ2PR12MB8830:EE_|SA1PR12MB8162:EE_ X-MS-Office365-Filtering-Correlation-Id: 32679858-7d50-47ba-303a-08dcdb553ca0 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|366016|1800799024|376014; X-Microsoft-Antispam-Message-Info: =?utf-8?B?Y2xZNWE3eEN6Z2N6VitHdGtMOHFlSkNuaUJxU1Z3YUtVeWJoNExrNlFhQjYx?= =?utf-8?B?QnloTjI0UERneGNPSVJSNCsvWG9aV2dmRDJLMXllY2VScnl4K2tTdFQycWgz?= =?utf-8?B?d2d2RWdzVFZnRjcwekVHYXVlT0ZQK2tXbFo2U2QwSXZ5TjlXcXB5ZTcyRGYz?= =?utf-8?B?NG0vQ0l4ZnBrVkVmeVZOVDl5SGlBWTBzOWVuejFueDBERHRNdCtraHJsSVho?= =?utf-8?B?cW0yTW50eGo3MzJyQ0tDamhTcHdrM1d6TU1jVFZKTG43WDFQcWlFTnpabkY4?= =?utf-8?B?TVRncm5YMExkZXFqdVhXN2tHamlpaXhZcnl5cjRmN0hGbTVCRTdMTDB0bkJ4?= =?utf-8?B?VVNPQlZmYTlSUXY0ck1hVnc1OGlubFF3eTJ5Zm90WmRRNk1hWkh6K01iSGpw?= =?utf-8?B?cW43S1YzTVplM1N5aUpJTERyMjFhYVg1L0M0RVplTHNreGdIdnhBbzZ1ZkFn?= =?utf-8?B?ZEtadDV3NnRuZXBuQ1ZYS01nZzV3SjU1SmQvemxoRkNUdjhaNlAxMlptV005?= =?utf-8?B?VklWS0lHekJUV09nUUtieFUrOGZzQzNNQmpTWmZVUFlRSUVoQ3VlWDdwb21z?= =?utf-8?B?cWJ4VFVWc2pZNjJoeUlKNFovV1Z6KytNV3NWT21CNmJ0U1lUYThZem96d3Fr?= =?utf-8?B?aHB5cEwvTkFDV0w4VUZhMzJwMWhwYy9GQ0J5enl2YTNZeUc1Skl2WTNZcG4r?= =?utf-8?B?dnppL0M3SUxDY2hrRCthcXY4L3ZRS2dHN0hlMWhDNS82bTVhZEVoQlIzMGVM?= =?utf-8?B?VElCYnhrZkdIUENVVko3eDcyUFN5eUR2bGZDdUpTT0RHWXR1VFc1b3VPejd3?= =?utf-8?B?cVZ1blk5Z2sxRUdDaHZhakN4bTdCUXNjYjNUTkxaWVo2Q0FJbzVjbGZvQzMw?= =?utf-8?B?SDJQQXdvTThsSkZURGNsVS95SHY4RTJ0b3ZzcUxLblBKejA0dDdvVFRNY3Vu?= =?utf-8?B?c1ozU2FpSVA1Y1M3L0d0Ly8yQVZJOVA5cjJZdWZpVGc1V216S2JNak95MDlJ?= =?utf-8?B?d0NzcTZHNDkybSs2MEpCRmJlT05KVHBldXpOSzNIY2dvdWR4cUNIc1IwU0lQ?= =?utf-8?B?QnVTOGNqSXRZQjA1OFE1ZFgxNG16RnN0ZXA5MUtFUTNId05CanB4Zjl3RlFj?= =?utf-8?B?bFk0QUIvNnB4N2s1aGJpWmcxK2lzNG1UQXhzbm8zWnJVdS8zcFpRZVlBN0h6?= =?utf-8?B?MVUvQ3BHbm42dE1aY3hBMzk1dnZzd0ZBMkwwdXozTnJlQmZjYnNwTmJqaU90?= =?utf-8?B?d3poT3BxOHRoeEJGdTdGRUR4a0lZNE1NU2ZMcW5tcG5FNllvRnRpcHVMQ2xU?= =?utf-8?B?a3Q4aUJQUW1ITGdxVkFrZnI4a0I0UkxzT1RCOFFCbUhGSVZQS2kvSWVRdnFn?= =?utf-8?B?ZTlGaTRCN25LdmVaR1FyOVlaM3J0NVE3UEFmKzZ0aTNZZXhGdTFxSUxJRTVi?= =?utf-8?B?N1hUblhYR1pQandjZEYzV25lb1paaXZsTTZqUENEVGJsclJxSVZTYk9ZNmM2?= =?utf-8?B?RHpoVnZEU2pzbUkxSGhDNk5hVUNFbDlhQTlyd3g1Zlp6SGZDZzFuL0RONEx3?= =?utf-8?B?RFFrLzNqRTRienRxWFBHUVNqaUxaeXpTcTR2OEl4c3d5bmFQVUlSYm1XeUtW?= =?utf-8?B?Y0k2d2kxZkloeHFIMUY0QmNQV0tPd2toRGkvdGtpMmxQRk8vdmlqNXU5bWtI?= =?utf-8?B?dTNiSnVCcjVhKzhRLzhYV2hVRnNiV3drT0RCQ29FY3FiOGt3Vkc4SWRjUlgy?= =?utf-8?B?OHhSZVZNcXpNanFma3locnV0K1JoUUlUd0Q4dU5RVUJXMGd5S2VjZlVhUFg3?= =?utf-8?B?Z3NRVkp5MGVaNm0rdXp5Zz09?= X-Forefront-Antispam-Report: CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:SJ2PR12MB8830.namprd12.prod.outlook.com; PTR:; CAT:NONE; SFS:(13230040)(366016)(1800799024)(376014); DIR:OUT; SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?MVNYVmJoNTZNbTREVlFXRGFtaFZKaWZpR2pIV3Q5SmdSbE5lMlhReWxOWlpG?= =?utf-8?B?bGZIY3Q5SllxM2JuQklXODc0Zkd1bFVYV05IMW5haGVaUUpIZVB1SlBrV3JW?= =?utf-8?B?d2FqNkdLZFpSUzUveGxMVlJGdXJENklBZzZHYlpTbVNEUEl6QzdwcldYTXhl?= =?utf-8?B?Y2t4RFdKdHRhZWs0N3VYZHZ0UGdvbHlLKzBHMmFvTGFQR0MzbDFFM05VeTJo?= =?utf-8?B?MnR2UVdVa2NBb3lDSnhGR1ZXYXMyZmUvOWt1a2Q3aUlvMU1lNEE1N0ZHeVBZ?= =?utf-8?B?N2VDUmhzdXVOTnQ3OWdHQnFzRi95a1JMSlIvbUJ0WmhZZDh4SG5hYVhVK0hr?= =?utf-8?B?QTV4bndMeXBVWDdRdlR1UGg4Wk1JR2hPZVdxS1hlcFU5em4zVEdGUHluWTVV?= =?utf-8?B?T0FldXVaVVUvVDhBcks5QWh1d21VMTVNNy9DZGQ0azRaRndkRzdUdjdYU0ti?= =?utf-8?B?ZGtwbjhJMXhmR1lFdG81c0pCSDZYbmtIUmtRcVlhSitSSk5iR1pZbHVxSEpL?= =?utf-8?B?SjByVUlHcHFxd29yVmlwVTBScHJJQXprOU9aOW83VkNzLzhZK2RvbTJ2eFJ2?= =?utf-8?B?bGM1N2RyS29hM0FzMVhtSVo3OVMwY05FbmdORFc4SXdBaHdiK1c0bnNkMyto?= =?utf-8?B?cDZzeS9ONnNvK0RIclZzTEFTNGRKWjQ5NCtKZnNOSlJEczdJZ0cvWXE4bnVu?= =?utf-8?B?d1BraG82aTJFc2ZyMmdua2NPZzRqcmh6MGxETmY2cTBsNTliWFV6OFh0ZmY5?= =?utf-8?B?dWl6aGJFSXVsTTNVSzBWVjZnT1U2dnhsZkh1MEw0NzRETDZoYjNMVXdEc1Rj?= =?utf-8?B?bnExZlEyUGhpWTltcjVibGZKYzhONk53L2tPTU9taE5FSmxxeFA1MWl3OWp2?= =?utf-8?B?N1J5eW5ldzR1Nkpic1ZXcFhWYWFkdGNOMG5aL1lqVUJzM21EREZRblI0ZFdR?= =?utf-8?B?RlhROUtVMkdReE9TU01BWCtjZHFKNXNwQm1KeGJtOCtYenB2WkhiLzQ5b2E5?= =?utf-8?B?VkJBY0lINExnRUtENmRIK1M1MUVIOEZwSS9DMkFIeXBwZlk3TVF4QURPRzVY?= =?utf-8?B?MzVvSEUwait0Y3JYdUxUMW10d2xIQlJrRkdJOEFlcDcvb1BTakR3Y0VWYmtZ?= =?utf-8?B?RndlQ1lpQm81MUhsU2VQelhqbEZZb2UzZmJ1dkxYdTRUaEpJTjZtSm9kYXpa?= =?utf-8?B?b3NHUG1zanFzSkY0TDNsN2VmejdwMWE3b0tqbTlTQk8rcHJ0ZndlRUg2QzJ4?= =?utf-8?B?WktQekZ2UElSWkJxcUJlWFpGTTFtaWNiOHVUOVRzbVpEZFY5MCtwZ2dkQlYx?= =?utf-8?B?UnVOSXNLZ3hCT3R4TDh5VllzR2U1bUhpU3pQTUdVUzF1bnliNW1UV3hmcDJJ?= =?utf-8?B?Z1N0ZFJTQ1lrY0xCRlZia2JNMXJ1WUsrckkrdVhrc3BDMnYzL3BOOWhnUHpO?= =?utf-8?B?a0FGTHF5L3Fvc3BDZW1JcGZPUmx2dzFJakh6NEZvYzBkRVRGVlhaQSs3QWxJ?= =?utf-8?B?aW0vQlVwZzBqSUVpNE9scnFEZXFsUHZFUnpNMmVGZ2FBQXRHK1FUQUJHWVZW?= =?utf-8?B?OGRVbnMzYklzWjAzSjdpT2s3SExZTTg1VFBac1BqTGlNaUV5VzE3MS9hby8r?= =?utf-8?B?SUxYQlVGNGYzWS8vb1NwNHZVVFZhdWpVRDlINWNRZ2lLMlR0aGd0ZWdhZFN5?= =?utf-8?B?YnNHYTdUeEFTc25WUGVXenlOYTRLR05zOUpHSFVic0IyaFliVkxhRmhtYUl5?= =?utf-8?B?OUdpUmc2UnJUdDFYTzRkN0hjb2tmZ0hHVGtoYkFBVjJkK1NMNDQ0NXA3eFpw?= =?utf-8?B?cDZIbWdzZFB5MnkvMHVWaytnUmdtNm45RHdraWZnZ3VNK0g5YU04Nms1ZXBL?= =?utf-8?B?eVk3U3JWbG1JY0llemQ3WlluOTVHcVloQ2cwRDgwSDhmNFRpTENzOTJMNWQ5?= =?utf-8?B?d25nS29OVnRsa0lIVTlWOE1tS1FLMTNFN1k1azZqVldvNmdLWkRORm96dUpS?= =?utf-8?B?NkxXSGNGU3pVb2Fkdi9zMk9vZXI0c01jWHp3TnV2R3pyMitBNUpwTGxxaDZp?= =?utf-8?B?a1pYRGlaaUNzb0ZmQlNMUnFQRkZkbUFzSkdvampPQ3NPUW5IaGNJeUJ4N0JI?= =?utf-8?Q?x30ODKobbj1xE8CIMi3/9tClr?= X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-Network-Message-Id: 32679858-7d50-47ba-303a-08dcdb553ca0 X-MS-Exchange-CrossTenant-AuthSource: SJ2PR12MB8830.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 22 Sep 2024 22:23:51.7642 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: GHK0SVohmwBPqdQIPxtq6UvrLQtiJ8QhSp6RZDTU2lWsrXssSll78X/k1uKROJCq X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA1PR12MB8162 X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org On 1/30/2024 3:58 AM, Huisong Li wrote: > Currently, the PTP feature is a little messy and has some issue. > 1> There is different implementation for PTP. This feature of some > hardware depends on the Rx HW timestamp offload, and use this > offload to detect if enable PTP feature. Others can enable PTP > feature with only ethdev ops. > 2> For some drivers, enabling PTP feature also depends on the macro > RTE_LIBRTE_IEEE1588. Actually, whether device support, enable > or disable this feature should not be determined at compilation > time. This has been discussed in thread [1]. > 3> The user haven't a good way to distinguish which port supports > the PTP feature in the case that a couple of device belong to the > same driver. And PTP related API in ethdev layer doesn't do check > for PTP capability. This has been mentioned and discussed in > thread [2]. > > In the thread [1], there is a conclusion that remove the compiling > macro RTE_LIBRTE_IEEE1588. And in the thread [2], there is a common > opinion that the RTE_ETH_RX_OFFLOAD_TIMESTAMP cannot be used as the > PTP capability. > > For the above issuse, this patch introduces a PTP capability in > rte_eth_dev_info.dev_capa to report PTP capability. > > Welcome to jumping into discussion. > > [1] https://patchwork.dpdk.org/project/dpdk/patch/20230203132810.14187-1-thomas@monjalon.net/ > [2] https://inbox.dpdk.org/dev/20230817084226.55327-1-lihuisong@huawei.com/ > > Signed-off-by: Huisong Li > --- > lib/ethdev/rte_ethdev.h | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/lib/ethdev/rte_ethdev.h b/lib/ethdev/rte_ethdev.h > index efa4f12b2a..4c8bd691bd 100644 > --- a/lib/ethdev/rte_ethdev.h > +++ b/lib/ethdev/rte_ethdev.h > @@ -1613,6 +1613,12 @@ struct rte_eth_conf { > #define RTE_ETH_DEV_CAPA_FLOW_RULE_KEEP RTE_BIT64(3) > /** Device supports keeping shared flow objects across restart. */ > #define RTE_ETH_DEV_CAPA_FLOW_SHARED_OBJECT_KEEP RTE_BIT64(4) > +/** > + * Device supports PTP feature. > + * For some hardware, this feature also need to set the offload > + * RTE_ETH_RX_OFFLOAD_TIMESTAMP, please check rte_eth_dev_info.rx_offload_capa. > + */ > +#define RTE_ETH_DEV_CAPA_PTP RTE_BIT64(5) > /**@}*/ > > /* Hi Huisong, Thanks for the effort, as you mentioned PTP feature can be improved and there is a target to remove RTE_LIBRTE_IEEE1588 build time macro. As far as I remember, one of the main reasons of the RTE_LIBRTE_IEEE1588 macro is some HW has resource restrictions, when RTE_LIBRTE_IEEE1588 is enabled some other features, like vector datapath, are not usable, that is why this is a build time selection. And related to the PTP capability, can you please give some more information, what does device having PTP capability exactly means. PTP is protocol and it is implemented in userspace daemon. I guess even NIC does not support timestamp offloading, by using time information from SW it can still implement PTP, right? Is PTP offload means, offloading some part of the protocol communication withing the device? Btw, the relevant RTE_ETH_RX_OFFLOAD_TIMESTAMP offload is, a little more generic HW capability that HW can add timestamp to Rx/Tx packets, which can be used for custom diagnostics. HW supporting this offload means that HW has some specific clock HW in it. Both having RTE_ETH_RX_OFFLOAD_TIMESTAMP and RTE_ETH_DEV_CAPA_PTP capability can be confusing, lets clarify it more.