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dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=nvidia.com; Received-SPF: Pass (protection.outlook.com: domain of nvidia.com designates 216.228.117.160 as permitted sender) receiver=protection.outlook.com; client-ip=216.228.117.160; helo=mail.nvidia.com; pr=C Received: from mail.nvidia.com (216.228.117.160) by MN1PEPF0000F0DE.mail.protection.outlook.com (10.167.242.36) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9320.13 via Frontend Transport; Wed, 12 Nov 2025 10:13:10 +0000 Received: from rnnvmail201.nvidia.com (10.129.68.8) by mail.nvidia.com (10.129.200.66) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.20; Wed, 12 Nov 2025 02:12:59 -0800 Received: from nvidia.com (10.126.230.35) by rnnvmail201.nvidia.com (10.129.68.8) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.20; Wed, 12 Nov 2025 02:12:59 -0800 Date: Wed, 12 Nov 2025 11:12:55 +0100 From: Dariusz Sosnowski To: Gregory Etelson CC: , , , , Viacheslav Ovsiienko , "Bing Zhao" , Ori Kam , Suanming Mou , Matan Azrad Subject: Re: [PATCH v4 2/2] net/mlx5: support PF representor suppression in multi-port E-Switch Message-ID: <20251112101255.i2475aeecar5likn@ds-vm-debian.local> References: <20251028095831.53669-1-getelson@nvidia.com> <20251106055246.360824-1-getelson@nvidia.com> <20251106055246.360824-2-getelson@nvidia.com> MIME-Version: 1.0 Content-Type: text/plain; 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CTRY:US; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:mail.nvidia.com; PTR:dc6edge1.nvidia.com; CAT:NONE; SFS:(13230040)(82310400026)(36860700013)(376014)(1800799024); DIR:OUT; SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 12 Nov 2025 10:13:10.8134 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: dcb6b2cc-523e-4649-9d62-08de21d4156b X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a; Ip=[216.228.117.160]; Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: MN1PEPF0000F0DE.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN7PPFEE0F400A9 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 Thu, Nov 06, 2025 at 07:52:45AM +0200, Gregory Etelson wrote: > In multi-port E-Switch setup, the MLX5 PMD always added > PF representor port. > For example, `representor=pf1vf[0,1]` implicitly added PF1 representor > port: > > ``` > Port Name > 0 p0 > 1 p1 > 2 representor_c0pf1vf0 > 3 representor_c0pf1vf1 > ``` > > The patch adds support for the new representor format that suppresses > PF representor attachment: > > Example: `representor=(pf1)vf[0,1]` > > ``` > Port Name > 0 p0 > 1 representor_c0pf1vf0 > 2 representor_c0pf1vf1 > ``` > > Signed-off-by: Gregory Etelson Ackedy-by: Dariusz Sosnowski