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Fri, 12 Jun 2026 14:17:36 -0700 From: Dragos Tatulea To: "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Simon Horman , Donald Hunter , Andrew Lunn , "Pavel Begunkov" , Jens Axboe , Shuah Khan CC: Dragos Tatulea , , , , Subject: [PATCH net-next v2 0/2] netdev: expose page pool order via netlink Date: Sat, 13 Jun 2026 00:17:02 +0300 Message-ID: <20260612211709.1456966-2-dtatulea@nvidia.com> X-Mailer: git-send-email 2.54.0 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SJ5PEPF000001F2:EE_|SA1PR12MB7039:EE_ X-MS-Office365-Filtering-Correlation-Id: 2d2bcc33-1af0-41a0-f136-08dec8c81125 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|7416014|376014|36860700016|82310400026|23010399003|18002099003|6133799003|13003099007|921020|56012099006|11063799006; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:216.228.117.160;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc6edge1.nvidia.com;CAT:NONE;SFS:(13230040)(1800799024)(7416014)(376014)(36860700016)(82310400026)(23010399003)(18002099003)(6133799003)(13003099007)(921020)(56012099006)(11063799006);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: JYS3PHpw+PEs3kGi7tLPKmnKiJlKIuwMk6GGw5Sw7yn23FtQMBsaqS4Cz5BwJWKaiWn+UdX8Lzyt9ycfMS9ZnnTe5ygx8NAxWDAkcivbaPwpAah9JnlPZ44Q7bK0C2PmQ1CAopo76sowKvgMkCYPToIdHBWhN9XrcxczQjydzENoq5HATwk7fSvViUhukEId1rxROk+m+7e/K8giI4gSq2WvCaubujvwyXzDk7KmNNZSLAC6TgTKO33377YOeISVZ0Od7f169Gr3MLTYPqCmtza0Q5dSdwO8omSDYOnNYif9O8TQVlxGgfB9X6VVYgBKI7K/vT7xizdD+nBgZrFNEZ39+S9xB2Kf3Wy9mQJhm4r3qXU24ZkNQDsP4ANnqxdeCfn44FGbe+uzqlV99A3rxZjGSfVClSiYg3QHnUMUW7OQIuoyLhd2dD1YtpGzmwJh X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 12 Jun 2026 21:17:53.9127 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 2d2bcc33-1af0-41a0-f136-08dec8c81125 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: SJ5PEPF000001F2.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA1PR12MB7039 This small series exposes io_uring's high order page configuration via the page_pool netlink interface and updates the appropriate selftest to check this value. --- v2: - Switched from exposing page_pool order to rx_buf_len via nl_fill of the io_uring memory provider. - Updated selftest to check rx_buf_len. - v1: https://lore.kernel.org/all/20260611161235.3807332-1-dtatulea@nvidia.com/ --- Dragos Tatulea (2): netdev: expose io_uring rx_page_order order via netlink io_uring/zcrx: selftests: verify rx_buf_len for large chunks Documentation/netlink/specs/netdev.yaml | 9 ++++++- include/uapi/linux/netdev.h | 2 ++ io_uring/zcrx.c | 8 ++++++ tools/include/uapi/linux/netdev.h | 2 ++ .../selftests/drivers/net/hw/iou-zcrx.py | 26 ++++++++++++++++++- 5 files changed, 45 insertions(+), 2 deletions(-) -- 2.54.0