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Sat, 17 Feb 2024 21:11:38 -0800 From: Itamar Gozlan To: , , , , , , , Dariusz Sosnowski , Ori Kam , Matan Azrad , Alex Vesker CC: Subject: [v2 01/10] net/mlx5/hws: skip RTE item when inserting rules by index Date: Sun, 18 Feb 2024 07:11:15 +0200 Message-ID: <20240218051125.717011-1-igozlan@nvidia.com> X-Mailer: git-send-email 2.39.3 In-Reply-To: <20240213095038.451299-9-igozlan@nvidia.com> References: <20240213095038.451299-9-igozlan@nvidia.com> MIME-Version: 1.0 X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CH3PEPF0000000E:EE_|CH2PR12MB5020:EE_ X-MS-Office365-Filtering-Correlation-Id: 68a0991f-9328-4772-0087-08dc30401d0a X-LD-Processed: 43083d15-7273-40c1-b7db-39efd9ccc17a,ExtAddr 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:216.228.118.233; CTRY:US; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:mail.nvidia.com; PTR:dc7edge2.nvidia.com; CAT:NONE; SFS:(13230031)(4636009)(39860400002)(136003)(346002)(396003)(376002)(230922051799003)(64100799003)(451199024)(1800799012)(36860700004)(82310400011)(186009)(46966006)(40470700004)(5660300002)(4744005)(2906002)(478600001)(2616005)(36756003)(1076003)(26005)(7696005)(356005)(82740400003)(7636003)(6286002)(83380400001)(336012)(426003)(86362001)(8676002)(4326008)(70206006)(70586007)(8936002)(41300700001)(921011)(6636002)(110136005)(6666004)(316002)(55016003); DIR:OUT; SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 18 Feb 2024 05:11:50.1440 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 68a0991f-9328-4772-0087-08dc30401d0a X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a; Ip=[216.228.118.233]; Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: CH3PEPF0000000E.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH2PR12MB5020 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 The location of indexed rules is determined by the index, not the item hash. A matcher test is added to prevent access to non-existent items. This avoids unnecessary processing and potential segmentation faults. Fixes: 405242c ("net/mlx5/hws: add rule object") Signed-off-by: Itamar Gozlan Acked-by: Matan Azrad --- drivers/net/mlx5/hws/mlx5dr_rule.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/mlx5/hws/mlx5dr_rule.c b/drivers/net/mlx5/hws/mlx5dr_rule.c index fa19303b91..e39137a6ee 100644 --- a/drivers/net/mlx5/hws/mlx5dr_rule.c +++ b/drivers/net/mlx5/hws/mlx5dr_rule.c @@ -23,6 +23,9 @@ static void mlx5dr_rule_skip(struct mlx5dr_matcher *matcher, *skip_rx = false; *skip_tx = false; + if (unlikely(mlx5dr_matcher_is_insert_by_idx(matcher))) + return; + if (mt->item_flags & MLX5_FLOW_ITEM_REPRESENTED_PORT) { v = items[mt->vport_item_id].spec; vport = flow_hw_conv_port_id(v->port_id);