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Fri, 3 Apr 2026 02:10:04 -0700 From: Tariq Toukan To: Eric Dumazet , Jakub Kicinski , Paolo Abeni , Andrew Lunn , "David S. Miller" CC: Saeed Mahameed , Leon Romanovsky , Tariq Toukan , Mark Bloch , "Alexei Starovoitov" , Daniel Borkmann , "Jesper Dangaard Brouer" , John Fastabend , Stanislav Fomichev , Dragos Tatulea , Cosmin Ratiu , Simon Horman , "Jacob Keller" , Lama Kayal , "Michal Swiatkowski" , Carolina Jubran , Nathan Chancellor , Daniel Zahka , Rahul Rameshbabu , "Raed Salem" , , , , , Gal Pressman Subject: [PATCH net-next V2 1/5] net/mlx5e: XSK, Increase size for chunk_size param Date: Fri, 3 Apr 2026 12:09:23 +0300 Message-ID: <20260403090927.139042-2-tariqt@nvidia.com> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20260403090927.139042-1-tariqt@nvidia.com> References: <20260403090927.139042-1-tariqt@nvidia.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: MWH0EPF000C618E:EE_|CY8PR12MB7289:EE_ X-MS-Office365-Filtering-Correlation-Id: 64182260-9c0b-4c74-21ec-08de9160db75 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|82310400026|1800799024|36860700016|7416014|22082099003|18002099003|56012099003; X-Microsoft-Antispam-Message-Info: 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 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)(376014)(82310400026)(1800799024)(36860700016)(7416014)(22082099003)(18002099003)(56012099003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: miOaw0hsV1kWHcjxzz6MRjRfuA8n0e6+SKaQ1Ib0cDQ80s6TXXGIZCcD5jgis8kc4X3jvgvk/p/qALVQsjGfcSYCzXXeP20zgA88u488dmvUK0yD+ThWQXO2JOVTO4Ww8gT1fdP+7x2EqWmAvg3giloKzOfHTJI+DtkdJG8g6eFoopzFuzMo3DcBVVnGZjT635dhrmSnS/gL6rmlBLVVcJ/ldRX5VmGDP4HQGvmp4FIncR4/9BIKDU8PxKhef95pCpolSxghjluBvzpcVn/GJdy3N86YLvtki+6hdBuCHPBf0hfOpItwnoqSuvnIvDqNCTlxAOyjcdVs7FNAMa08HUKO41f8TwuQ3munLo3hp6I7MUvrRj37qgVXTdhdbdjnxFgA7tPdRQfqsSniVeWhi+VY5dNOPPX98ABBFfhDRP3E19zevQTbw3kQKfGYfwTG X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 03 Apr 2026 09:10:31.6432 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 64182260-9c0b-4c74-21ec-08de9160db75 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: MWH0EPF000C618E.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY8PR12MB7289 Content-Type: text/plain; charset="utf-8" From: Dragos Tatulea When 64K pages are used, chunk_size can take the 64K value which doesn't fit in u16. This results in overflows that are detected in mlx5e_mpwrq_log_wqe_sz(). Increase the type to u32 to fix this. Signed-off-by: Dragos Tatulea Reviewed-by: Carolina Jubran Signed-off-by: Tariq Toukan --- drivers/net/ethernet/mellanox/mlx5/core/en/params.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/params.h b/drivers/= net/ethernet/mellanox/mlx5/core/en/params.h index 9b1a2aed17c3..275f9be53a34 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/params.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/params.h @@ -8,7 +8,7 @@ =20 struct mlx5e_xsk_param { u16 headroom; - u16 chunk_size; + u32 chunk_size; bool unaligned; }; =20 --=20 2.44.0