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CAT:NONE; SFS:(4636009)(46966006)(36840700001)(8676002)(82310400003)(36756003)(7696005)(54906003)(70586007)(70206006)(36860700001)(8936002)(316002)(47076005)(36906005)(110136005)(6636002)(4326008)(508600001)(1076003)(6286002)(426003)(83380400001)(336012)(7636003)(186003)(356005)(2906002)(55016002)(2616005)(26005)(86362001)(5660300002)(6666004)(16526019); DIR:OUT; SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 26 Oct 2021 11:53:44.6809 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 0a69039c-1799-4a8a-340e-08d998774356 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a; Ip=[216.228.112.34]; Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: DM6NAM11FT064.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN2PR12MB4391 Subject: [dpdk-dev] [PATCH v5] doc: document a limitation for a meter with RSS action 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 Sender: "dev" A meter policy with RSS/Queue action is not supported when ``dv_xmeta_en`` enabled. When ``dv_xmeta_en`` enabled in legacy creating flow, it will split into two flows (one set_tag with jump flow and one RSS/queue action flow). For meter policy as termination table, it cannot split flow and cannot support when ``dv_xmeta_en`` enabled. Fixes: 51ec04d ("net/mlx5: connect meter policy to created flows") Cc: stable@dpdk.org Signed-off-by: Li Zhang Acked-by: Matan Azrad --- doc/guides/nics/mlx5.rst | 1 + 1 file changed, 1 insertion(+) diff --git a/doc/guides/nics/mlx5.rst b/doc/guides/nics/mlx5.rst index 47709d93b3..cd28c04c1e 100644 --- a/doc/guides/nics/mlx5.rst +++ b/doc/guides/nics/mlx5.rst @@ -435,6 +435,7 @@ Limitations - yellow: QUEUE, RSS, PORT_ID, REPRESENTED_PORT, JUMP, DROP, MARK and SET_TAG. - RED: must be DROP. - Policy actions of RSS for green and yellow should have the same configuration except queues. + - Policy with RSS/queue action is not supported when ``dv_xmeta_en`` enabled. - meter profile packet mode is supported. - meter profiles of RFC2697, RFC2698 and RFC4115 are supported. -- 2.27.0