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Wed, 23 Feb 2022 02:48:18 -0800 From: Dmitry Kozlyuk To: =?UTF-8?q?=D0=94=D0=BC=D0=B8=D1=82=D1=80=D0=B8=D0=B9=20=D0=A1=D1=82=D0=B5=D0=BF=D0=B0=D0=BD=D0=BE=D0=B2?= CC: Subject: Re: Hash rss value with mprq_en=1 device parameter Date: Wed, 23 Feb 2022 12:48:14 +0200 Message-ID: <20220223104814.3820919-1-dkozlyuk@nvidia.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 2982a205-13e5-4310-9bf4-08d9f6ba0244 X-MS-TrafficTypeDiagnostic: CY4PR12MB1207:EE_ X-Microsoft-Antispam-PRVS: 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:12.22.5.236; CTRY:US; LANG:en; SCL:1; SRV:; IPV:CAL; SFV:NSPM; H:mail.nvidia.com; PTR:InfoNoRecords; CAT:NONE; SFS:(13230001)(4636009)(46966006)(36840700001)(40470700004)(6916009)(8936002)(26005)(8676002)(186003)(1076003)(6286002)(4326008)(5660300002)(4744005)(70586007)(70206006)(336012)(356005)(82310400004)(316002)(81166007)(86362001)(426003)(36860700001)(7696005)(2616005)(36756003)(6666004)(2906002)(55016003)(40460700003)(508600001)(47076005)(36900700001); DIR:OUT; SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 23 Feb 2022 10:48:21.0786 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 2982a205-13e5-4310-9bf4-08d9f6ba0244 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a; Ip=[12.22.5.236]; Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: CO1NAM11FT042.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY4PR12MB1207 X-BeenThere: users@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK usage discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: users-bounces@dpdk.org Looks like a case described in PMD docs (https://doc.dpdk.org/guides/nics/mlx5.html): If Multi-Packet Rx queue is configured (mprq_en) and Rx CQE compression is enabled (rxq_cqe_comp_en) at the same time, RSS hash result is not fully supported. Some Rx packets may not have RTE_MBUF_F_RX_RSS_HASH. I recommend checking that page in general, because mlx5 PMD supports many features, but not all combinations of them.