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Thu, 19 Mar 2026 00:51:43 -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 , , , , , Gal Pressman , Moshe Shemesh , Dragos Tatulea , Carolina Jubran Subject: [PATCH net-next 1/5] net/mlx5e: XSK, Increase size for chunk_size param Date: Thu, 19 Mar 2026 09:50:32 +0200 Message-ID: <20260319075036.24734-2-tariqt@nvidia.com> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20260319075036.24734-1-tariqt@nvidia.com> References: <20260319075036.24734-1-tariqt@nvidia.com> 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: CH2PEPF00000141:EE_|CH1PPFC596BECF8:EE_ X-MS-Office365-Filtering-Correlation-Id: 34712cb3-e0ca-4ba5-176a-08de858c6b01 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|7416014|376014|82310400026|36860700016|56012099003|18002099003|22082099003; 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)(1800799024)(7416014)(376014)(82310400026)(36860700016)(56012099003)(18002099003)(22082099003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 3+qrh5LMp4WIj9M6Bv16KFZrBRgnb4U7+7O6NGUi23h0I1N2zdrp/dE4r3VwfGnqUKo8f/0DXNhf99vJZelfDH7TNj7Gr7U2mKL07AepyHGkjl5Fo+TPnlSCFdmW01eTiLNsIww3Y+aTW8bRcd9xy/4u3Ai2lSJZB3SU8cRyaXGFTi5v3kb1PNMu0NAcOWk0DWtUePdCrQqQoRv2yVgHCkMlKZQRLxGgKMRU6H40/iabU7C/xsAroU5z22qE1dbbDJHS/Jl4VB+3uYeov52h3dellI/ya5LQx8ubzKiLiAMzQxNzRDRQlZZuFt/L1u0SFWvoAlwxTQAIG0nbn53UBqus8QgD9WE5CjB/k926+X4aiY4GTHg0Zxod27dvZUAmEOCLW2EvnJb1obTxg0e45jyolgE72QVPOf8Tr/7arO7yFgh0qSMcZ9wsh1YCudUY X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 19 Mar 2026 07:52:06.8692 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 34712cb3-e0ca-4ba5-176a-08de858c6b01 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: CH2PEPF00000141.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH1PPFC596BECF8 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 @@ struct mlx5e_xsk_param { u16 headroom; - u16 chunk_size; + u32 chunk_size; bool unaligned; }; -- 2.44.0