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Mon, 12 Jan 2026 05:22:28 -0800 From: Tariq Toukan To: Eric Dumazet , Jakub Kicinski , Paolo Abeni , Andrew Lunn , "David S. Miller" CC: Saeed Mahameed , Leon Romanovsky , Tariq Toukan , Mark Bloch , , , , Gal Pressman , Moshe Shemesh , Cosmin Ratiu , Dragos Tatulea Subject: [PATCH net-next 0/3] net/mlx5e: RX datapath enhancements Date: Mon, 12 Jan 2026 15:22:06 +0200 Message-ID: <1768224129-1600265-1-git-send-email-tariqt@nvidia.com> X-Mailer: git-send-email 2.8.0 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DS1PEPF0001709A:EE_|LV8PR12MB9081:EE_ X-MS-Office365-Filtering-Correlation-Id: 2eb5093d-88ac-41a9-cbac-08de51ddb079 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|376014|36860700013|82310400026; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?CvFyUAfvxXShHi54tCmAtV+KMEteO3NYV7EiPsazuV6+Jm/6vCBj0ZWX4lVW?= =?us-ascii?Q?UXXvvA7rPNx+rnznqp5ELBNZqUazeUG/1FvMKyU0o9WSJi4ET3ywRcjMO1ct?= =?us-ascii?Q?vHd2w6qA0GlfrnwwtDV4cB7UYFDkv3PZNtv5AmXyY+b6TDZKPQs658kWQrSS?= =?us-ascii?Q?PEgWgLWB758p6Axd6cV8mGxopFhGcFvD7pCm7dEA6Ws2Rmzce7xwXTLK5meI?= =?us-ascii?Q?BDdYKbFKhxGBEjunmnySGim5OH2Km4+V1SW0a5Ukir92JyHT60Z0uBGMBc0t?= =?us-ascii?Q?J4YJgIhYh6T4GIUtZ5aMdPXKIIPSPzh3ptueXslkosiInRbWNBJLm4d4mG4r?= =?us-ascii?Q?zfek/Tg+cEnL+jz4DJ5Kx4lCBRK9IXGnNr+BACn17Zw6mVPXmfRjC2ah4lAg?= =?us-ascii?Q?WtY4z81kyf1HUd9BFRmw62Y0eoUEf2ADBjS3kn3Y+n8VbQ9cd62jU54v9cLQ?= =?us-ascii?Q?OxyJCHueET83Q31WS/ODTy3iagGwTa62uG8SYn188Z2z/EefOaGwOIk/1glH?= =?us-ascii?Q?b8BE8L9pRinH2QbHQ34ts7UXk5YV2LOFduLjVNIEdoH6gSO8njosw/91gDqL?= =?us-ascii?Q?TbuZB8kBNCk5GNQYtbodUZ77GANVSVjGolqlPMLxfCjUMSdYrudKqcLqHKHR?= =?us-ascii?Q?b7t9Q+fCru6xd0AhY6EENvA7kbqL5S7IxpfFTxhwHGzyqZWv6pzSgrY0hm6T?= =?us-ascii?Q?dN70xcI3fDf/WCGGI+0xfP1PMKx5IQefcZowutCPiB8Bv1NadwaXGxXXRgSt?= =?us-ascii?Q?g/ztE09wGWSCHqaR4RmHJxxWEXZnonrgAs2X3hyuOjRol7nyVJ0X6sXuWSoq?= =?us-ascii?Q?4qKYeqnS8JE4xBB/bSHa1CjHnly9Dt+nBU5W1TaOAVO+NsoTXzArjmvYbnHR?= =?us-ascii?Q?oOB4/B7sSDZy+XQxv6qagn5NmGccRE8pqnioQfeaLsKPPWpl5Ru1V9W/bxNv?= =?us-ascii?Q?cIKfKtZdS0FADEbE1VJp4N8BsQmPCJnugcHNLODufggtKJEHyxDej/ZDfrV6?= =?us-ascii?Q?eJoERxWqAiENI1Ad0tn3gtH9GmX3UtRVicY4JvjIlqTDNKanq2JS0pwfvM1p?= =?us-ascii?Q?xN/lxpcYj4863VRXM4on47aW2av8CecDYQsax+ykAIwFR/RZ9Hn5GVzjL27j?= =?us-ascii?Q?+SQaWPKvBVDBth6m+Eme6kOxsp24SG08xy3q3cO1vPKU59Ty16a9DBguZRsw?= =?us-ascii?Q?s8lxnrT6tn1gnQs7uEvXmBNJuNoNQl393609UeRjHqg1OFp3tGrMMKG+V8Hl?= =?us-ascii?Q?MruIg5VlRygM5J6B1+JIVCGzBg4MTiPwO0aSDFx09w5BlDmTtozT5n4yP4cS?= =?us-ascii?Q?i2epegc4WFCFc+Qng0XLfNbyh8pw8n6tt0M8A7+iLIpT6JTv9NyGFw7DTeEP?= =?us-ascii?Q?GQQFg5Dp2crB2E7Yu6y5+q+h5w/SoV/R9QmJHRzPGSR8UeaHDNcRVZaq4kRD?= =?us-ascii?Q?mekjq7hvSmo+6kqjZIRVxV3nxkLswMEmnTquj8qktGAibXK+f7fkpReVJOGI?= =?us-ascii?Q?X7V9Vf5VKSLpKpADvP08meIZeEhFjY2wa0kgV4cQ+CKfaOR3cDF3NLnUjbVj?= =?us-ascii?Q?+0hC5M67t2kWigypb6k=3D?= X-Forefront-Antispam-Report: CIP:216.228.117.161;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc6edge2.nvidia.com;CAT:NONE;SFS:(13230040)(1800799024)(376014)(36860700013)(82310400026);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 12 Jan 2026 13:22:52.2133 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 2eb5093d-88ac-41a9-cbac-08de51ddb079 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.161];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: DS1PEPF0001709A.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: LV8PR12MB9081 Hi, This series by Dragos introduces multiple RX datapath enhancements to the mlx5e driver. First patch adds SW handling for oversized packets in non-linear SKB mode. Second patch adds a reclaim mechanism to mitigate memory allocation failures with memory providers. Third patch moves SHAMPO to use static memory for the headers, rather than replenishing the memory from a page_pool. This introduces an interesting performance tradeoff where copying the header pays off. Regards, Tariq Dragos Tatulea (3): net/mlx5e: RX, Drop oversized packets in non-linear mode net/mlx5e: SHAMPO, Improve allocation recovery net/mlx5e: SHAMPO, Switch to header memcpy drivers/net/ethernet/mellanox/mlx5/core/en.h | 20 +- .../net/ethernet/mellanox/mlx5/core/en/txrx.h | 1 - .../net/ethernet/mellanox/mlx5/core/en_main.c | 312 ++++++--------- .../net/ethernet/mellanox/mlx5/core/en_rx.c | 373 +++++------------- include/linux/mlx5/device.h | 6 + 5 files changed, 227 insertions(+), 485 deletions(-) base-commit: 60d8484c4cec811f5ceb6550655df74490d1a165 -- 2.31.1