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 92CB1436AD; Fri, 8 Dec 2023 20:15:18 +0100 (CET) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 1DE23402BF; Fri, 8 Dec 2023 20:15:18 +0100 (CET) Received: from NAM11-CO1-obe.outbound.protection.outlook.com (mail-co1nam11on2060.outbound.protection.outlook.com [40.107.220.60]) by mails.dpdk.org (Postfix) with ESMTP id B9ECA40144 for ; Fri, 8 Dec 2023 20:15:16 +0100 (CET) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=D3CwgZk/9kVE/9qwGohbtwwsLT9sFi7wOFheAQx5FCvHidvxlk5peUerjljLhXDyIdiCdZfT9Q0E7Vf+Kw+yXZEpTzvOd3jKVqe/n1NR1pWYUwdPyex5e9VKBXHrVeRfFEprBMfkqlio4/7RhTr+6h9ZdvFrrb6x9wYbJrEZUmU653KaehD1tYbvnoDuwerOZXRy57jb528/q3HLKIWspAyBWCJAETEp6Mv/apAKbqAMSv5n7XkDJ2YV/BuLRyeT2N/1VNqvxJFXX15L1XUhskULNcgN+4EOIjWRvdM7Q2ZpuIBhZuZONpqXOFg8lfYu+uxyrqNeuaKdGzR2MCwbYA== 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-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=BtNn3jX48G3qT330B2Z2rANJMK7CSNT8ytX9fWlAl48=; b=m8Uy9OVTQwY/DnyldF/liOttUmMEu4B7vuU38Q8RXy5aVItmEE5IjYjqnS5PqrdK8ugNamnJQ9+Ey0M+HK+t4i/tmvw4EtkDHt+jO217JTAr8KwhjhX/QgO7xrjkVSBs640jpBjnw+JAuFtsPvwXQ6mfQjBFrvDcbUAmcMWpQhZSdtdaX5j0vWJxJmd27csglxKTCofepRM3Tkw3FLSGfSqoOpppm5f+pvcHoJcqKneWdlRLKAblE2HVT0DHGTBeBH9EE6dan5a9DMHq7NHGZ16YcnGBGGkNG6jyKRhNsCOn26nHiTBSnWlmpf7zO3QBpvDoYQP7IZgqsk1dtLVOSQ== 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=BtNn3jX48G3qT330B2Z2rANJMK7CSNT8ytX9fWlAl48=; b=r1gWNON2sy8llfRRHqlf/+VD+Jyb84O8Zqw15giw2s1OvBqiy/Kj0l8Gg1yaKVQH6z26CXgWPd7xrUOtKtPiI6riRoAs7nqH3/lWsUzF7OUWZVBJS3BpR0s1asDNKCScZNHhQRU7kpBllXA/7QdpdgKeNwB6Tl7HQQISP1oZEqQ= Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=amd.com; Received: from CH2PR12MB4294.namprd12.prod.outlook.com (2603:10b6:610:a9::11) by LV2PR12MB5728.namprd12.prod.outlook.com (2603:10b6:408:17c::7) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7068.28; Fri, 8 Dec 2023 19:15:13 +0000 Received: from CH2PR12MB4294.namprd12.prod.outlook.com ([fe80::2569:edb2:670f:816f]) by CH2PR12MB4294.namprd12.prod.outlook.com ([fe80::2569:edb2:670f:816f%6]) with mapi id 15.20.7068.025; Fri, 8 Dec 2023 19:15:13 +0000 Message-ID: Date: Fri, 8 Dec 2023 19:15:08 +0000 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 03/11] net/nfp: add the control message channel Content-Language: en-US To: Chaoyong He , dev@dpdk.org Cc: oss-drivers@corigine.com, Long Wu , Peng Zhang , Stephen Hemminger References: <20231103062606.2632012-1-chaoyong.he@corigine.com> <20231205025457.1067372-1-chaoyong.he@corigine.com> <20231205025457.1067372-4-chaoyong.he@corigine.com> 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: <20231205025457.1067372-4-chaoyong.he@corigine.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-ClientProxiedBy: FR2P281CA0041.DEUP281.PROD.OUTLOOK.COM (2603:10a6:d10:92::12) To CH2PR12MB4294.namprd12.prod.outlook.com (2603:10b6:610:a9::11) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CH2PR12MB4294:EE_|LV2PR12MB5728:EE_ X-MS-Office365-Filtering-Correlation-Id: 56078c1f-6812-441e-5b94-08dbf82200f5 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:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:CH2PR12MB4294.namprd12.prod.outlook.com; PTR:; CAT:NONE; SFS:(13230031)(346002)(39860400002)(366004)(376002)(396003)(136003)(230922051799003)(451199024)(186009)(1800799012)(64100799003)(53546011)(6486002)(6512007)(26005)(966005)(2616005)(478600001)(6506007)(6666004)(83380400001)(2906002)(44832011)(5660300002)(41300700001)(54906003)(66476007)(66556008)(66946007)(4326008)(8676002)(8936002)(316002)(36756003)(38100700002)(31696002)(86362001)(31686004)(45980500001)(43740500002); DIR:OUT; SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?eXIzTmFuRS92SWJFMWRaRllkMW1WWmQ0Yml0ZFdtcDFyR3ZERjZFb0hUVnJj?= =?utf-8?B?UkVUcUExdlNsbnc2S0w5OS8xUDYrTmpkRytaVlhicGlpN2UvcnJSRkh1d3lX?= =?utf-8?B?a2VRMFVseDRWQ1UybysycUZySmczMVNmMWU4K2RpSEhrZmtiRlNIblN4NzZu?= =?utf-8?B?c1VZT05TZjNJL3dzU21semEvdVV5TlljNnBMazh4THlSRFAzcU1odVllaEhz?= =?utf-8?B?ek1MaUtaanJkeW5jQ3Fad2tkMFY0aXRhU2o2ZGVaa3Ardk5DU0FkbldNenBm?= =?utf-8?B?RTVrK0NnbUhmQVp1emJlRFM0OW1KNEFhdG03a3VFK1ExUzVVRUhGb3VaRVV6?= =?utf-8?B?bFBncGlGTXkwM251NUZXMmlxNldCQWxZSzFnTWk3UmpLNFVBSUhPQ240VlYr?= =?utf-8?B?UFUyenlSUXE2Z1J5WVNhbEptSDc3MkhzWGptRUpIN2EwS1BPdGtCSER0dmtJ?= =?utf-8?B?bEJ5NjNTY09ld0VoQUdWUlh0YkkwK2ZwUGpOUFhDbFlzeDVuRFIxWlIxQUw1?= =?utf-8?B?Rm9JMFVMenJqdEtONlY5bVVOenhweXBabC9iallkb0QzdHo3K3Vkamt6MGJv?= =?utf-8?B?Rmg5V2I5UzJnQnpXaHY3Q1N0YXpiMmFPVGkvS0R3dkNQa0VlV3RIbllIMTBJ?= =?utf-8?B?OHI4andaVEZwSU1rQlBHV1M3SlI3WjM5NDMwNjNnMjJMTDhCc2tTekVpSkRw?= =?utf-8?B?a0h4SFVYOXZqZWtEbmZ4cnlaWVVONmR4YXFhRHFSSnZTdk5jbmlKbHRIYzFj?= =?utf-8?B?QmFpWFBDOGhnclNRQVN5K0NhcVM0UjlpMzk5U3ppeDRKWUw3c053RmNmN0pU?= =?utf-8?B?SEZ6QlJIUFJ2WVZXd2ExUkt0OTJpY3l3VEQxMlVOdSsvQ01rVmMyTE5DOFpI?= =?utf-8?B?MzZWcjI3Y3JOUGkyMUdpSzF4ZFMzWDRkVkpZNHJtZFZJMGNKQTMrdkdTUWFL?= =?utf-8?B?c1Q4ZUlkcFJWTzRYWTJ6cTZJTTBBOGlwWDJ0QURuMExMcGdVSG1rYy9hZFAz?= =?utf-8?B?Wjg1UnRrLzRNMldtdTc0ekxYcWhTTWwrNFdHUnZaQmJjdTJTZk5MQ204V1lS?= =?utf-8?B?UUt3YXdkQ3VuK1JUdC9tOGZZdFZLT1BqRVZsRFJ1NW8rK2Z2YS8wbEgwVElH?= =?utf-8?B?ZjZJTXY2Ky9ETDNqdVMzZ2JrRldzWE5PTnJFVWJ1RlJRSC8zZ1lJUGhqc1JG?= =?utf-8?B?YlB1cjRMcHRQeHc3VGtiTkZlaERoN3hqNTN4a01wNFpNeTdLVWpGMWc0bGdK?= =?utf-8?B?NTVhYWZkWFByREtvYkVaOXRHSGhwWGlxOWYwWEVzanhXZGp3bVE3RnFTMzJt?= =?utf-8?B?Sk1hYUZ5YjJRTFZzSjRxWlNpcjh3SUpZZ1o1RUVwVnprRTNBOFhGWHVwU1Rx?= =?utf-8?B?c3QrYjc0VGc1VTBNWU5GSmZUZ0I4SWdzK1BRbTdrWjgyazBYSWZFa05FdGc4?= =?utf-8?B?Rnk3UGxiY2tkNVdlWEVLVCsvQTRiOUxTekozYUIrdDdHZzlwejd3bjlMbjBo?= =?utf-8?B?eG5IdVpCZHJUVVlzeW9YUTlHaXlXRlgwMjRUaG5OVENkVWViR3hvNVFVRk1o?= =?utf-8?B?TVdFRWR4UHEwYStaeUcvb3FERkJsRGVJUjIwTkIxa04rU1Rpck0zR0ZVNEZC?= =?utf-8?B?clJ0NW94QjBFSnhLQy9XNHhuZk1qVlJEUE1oTndFUDg4YWdzbG1LWTl6WDQ2?= =?utf-8?B?K29hWDIvMWlVTk82a2djSzcyei9oRmNlWG16NlZYeGhlZURtNDU4UE5VV3pS?= =?utf-8?B?d1NNNnI5cm1zYnlMdU1INk9KbjAxVmFFNXJnMlNvbVBtd3Zab09IaHRYMmZQ?= =?utf-8?B?WFRrT05zb1d1RzdhY2dJSnBVR05NQ0hQNGdEOVlkNW4zWVpDUmpMa2FyUUNp?= =?utf-8?B?eU5Ocnk0akJlUWdhWnhoQk80eHJxclRwR0pFZGc3anZOTnBwaXlyRlNNbHpH?= =?utf-8?B?UHVpdzN0Q0IreWlWM2VaZzZ1eUhmTzViN1gwU3loUG8waHhYTkpoWEN2ZjI4?= =?utf-8?B?UldOdHZuZzNZU1c5ZEplMEUrK0JTL08rRXBWVTFjdE9XblJLUGFyZjFPZHli?= =?utf-8?B?YlY2QndlOXBpaXdjZy9iQkI2cG14S0lLRStnMU5PcXhtdUtncnpCS1Vwd0pH?= =?utf-8?Q?PaSY=3D?= X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-Network-Message-Id: 56078c1f-6812-441e-5b94-08dbf82200f5 X-MS-Exchange-CrossTenant-AuthSource: CH2PR12MB4294.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 08 Dec 2023 19:15:13.5704 (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: yCtwlJ8pBqJjks97FkOscl90EOQ0bVJ6gxqs9vpBSxmIr6y/JLF8J6G4ZN6JG19j X-MS-Exchange-Transport-CrossTenantHeadersStamped: LV2PR12MB5728 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 12/5/2023 2:54 AM, Chaoyong He wrote: > diff --git a/drivers/net/nfp/nfp_net_cmsg.h b/drivers/net/nfp/nfp_net_cmsg.h > new file mode 100644 > index 0000000000..15e0bb60d8 > --- /dev/null > +++ b/drivers/net/nfp/nfp_net_cmsg.h > @@ -0,0 +1,37 @@ > +/* SPDX-License-Identifier: BSD-3-Clause > + * Copyright (c) 2023 Corigine, Inc. > + * All rights reserved. > + */ > + > +#ifndef __NFP_NET_CMSG_H__ > +#define __NFP_NET_CMSG_H__ > + > +#include "nfp_net_common.h" > + > +enum nfp_net_cfg_mbox_cmd { > + NFP_NET_CFG_MBOX_CMD_FS_ADD_V4, /* Add Flow Steer rule for V4 table */ > + NFP_NET_CFG_MBOX_CMD_FS_DEL_V4, /* Delete Flow Steer rule for V4 table */ > + NFP_NET_CFG_MBOX_CMD_FS_ADD_V6, /* Add Flow Steer rule for V4 table */ > + NFP_NET_CFG_MBOX_CMD_FS_DEL_V6, /* Delete Flow Steer rule for V4 table */ > + NFP_NET_CFG_MBOX_CMD_FS_ADD_ETHTYPE, /* Add Flow Steer rule for Ethtype table */ > + NFP_NET_CFG_MBOX_CMD_FS_DEL_ETHTYPE, /* Delete Flow Steer rule for Ethtype table */ > +}; > + > +enum nfp_net_cfg_mbox_ret { > + NFP_NET_CFG_MBOX_RET_FS_OK, /* No error happen */ > + NFP_NET_CFG_MBOX_RET_FS_ERR_NO_SPACE, /* Return error code no space */ > + NFP_NET_CFG_MBOX_RET_FS_ERR_MASK_FULL, /* Return error code mask table full */ > + NFP_NET_CFG_MBOX_RET_FS_ERR_CMD_INVALID, /* Return error code invalid cmd */ > +}; > + > +/* 4B cmd, and up to 500B data. */ > +struct nfp_net_cmsg { > + uint32_t cmd; /**< One of nfp_net_cfg_mbox_cmd */ > + uint32_t data[0]; > +}; > Converted 'data' to flex array, 'uint32_t data[];' while merging, since there is already an effort to switch all zero length array to C99 standard flex array: https://patchwork.dpdk.org/project/dpdk/list/?series=30410