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Sun, 24 Aug 2025 01:40:38 -0700 From: Mark Bloch To: Eric Dumazet , Jakub Kicinski , Paolo Abeni , Andrew Lunn , "David S. Miller" CC: Tariq Toukan , Leon Romanovsky , "Saeed Mahameed" , , , Gal Pressman , Alexei Lazar , Dragos Tatulea , Mark Bloch Subject: [PATCH net 11/11] net/mlx5e: Set local Xoff after FW update Date: Sun, 24 Aug 2025 11:39:44 +0300 Message-ID: <20250824083944.523858-12-mbloch@nvidia.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250824083944.523858-1-mbloch@nvidia.com> References: <20250824083944.523858-1-mbloch@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: CH2PEPF00000144:EE_|CY8PR12MB7315:EE_ X-MS-Office365-Filtering-Correlation-Id: 43242f2c-1504-4896-8231-08dde2e9f0ce X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|36860700013|82310400026|1800799024; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?e0mppvBkpXVUztTXL4CBtTe1U6xnNPgEJ92RPayBM+7xAB6TqIHh+GWIVbXn?= =?us-ascii?Q?01TZ+MSI07X/echu1TgiBB8x9i8fK7CcsvLZ/8WCJP6ruu5CbTrT36hvA+Qk?= =?us-ascii?Q?53PwysfriKDvKMVZB7Zt47lrqQh4v3ZQn4h30g2py1jEYamefhV44pWSLJ7V?= =?us-ascii?Q?mBi2vbvvnvlcRNe78ax8O9s+lc/f1mEmiBd8XLqPjqMbTQ2rWok7fn5JWP4Y?= =?us-ascii?Q?6rL+rvitUvwAXnnwjs3OE5sJfH1ZJVa8NdrvkkAdUIvdetnTw9BeE5X2ZPdR?= =?us-ascii?Q?3nES8ZhI1ao5eXSbLIUMmMNSu53Q+RVJHK0VJ9DlG6v6BiuffD9Z0tbURQG/?= =?us-ascii?Q?gJHqujxLCbhOpHVYt/y6sXoQxMQ/ffKGAMRYj+KhOWzM02HaNqXmdCJdAmfE?= =?us-ascii?Q?Meqk09ojgHpNIqSUFu0Dnvg7+PnCch98KhZMgdKjcaNoFp/2Z+fJG11tD0LR?= =?us-ascii?Q?UPWD1eOT6bBx5D9YrgRo+nxsOKitNzSue+7J/3xYgdtriAuqQDtsw9IwkWyG?= =?us-ascii?Q?Iw6OeUOVutCebffU8qNxLn5ATpamgVJ8FA7Wu6afVxMes0YrTYYzJInGRHMU?= =?us-ascii?Q?Pc85YVl6Y+WqwQh3kYgR4XSrI3enUxKulQahHLdBHgferX+ejf6adCb1jRBi?= =?us-ascii?Q?Fbza0sOunc9Mo1124JxLADpOLHUDd3UvTvMvfpRmjmpMoYT+gd2DjyEypaBp?= =?us-ascii?Q?kTekmTJNXay6EChfraHEha4/htbBrApEHFIoi0wR6esnnUXewSC3HmAyisCy?= =?us-ascii?Q?5sZ4JcE05CSnGs9tyomaGm2qDYWEBDUg2Pko9IrDqEIF5QCQ1BJ1JHb46AZz?= =?us-ascii?Q?8VBVjyVMxOOOYRFENk5S0EQpjALAAdzhJ+Phbw8jDMe6k3v6LoUxqFiF4I/R?= =?us-ascii?Q?FtyI/75bBAuWMSNuyCm/AVaEwE/BFGjixpUXscLkRW1ITWqSxIJ5mdT4mzsr?= =?us-ascii?Q?6hPTSauZkJnP6s++wkQXpj286or6TFwbiW7lmsIGsfemAvwu+IP4RnQiHTGR?= =?us-ascii?Q?cMNLYMwDSOCuPv7JT00lzAw6H7D5xQXM6uGemBxIytUGqmRQeACkGlDGBWp4?= =?us-ascii?Q?yXsd571cj2ZWLjNfpczLGmQJSQZRkBoP/k2aURWXlNnsEedhUE7cS+2nvBZI?= =?us-ascii?Q?ZxD87GiOA55qZxeKjeimO3GSj8MA9N/brgqB3Ff+rCy11x8BpX58KJjEA45L?= =?us-ascii?Q?F8v2JbeLiUN56fDwuWVazUIT43Dr23WKT8y6xzGCjVl53/A87UPa1rZDpWZx?= =?us-ascii?Q?rMcPF3/JZ2KjpLWkir+CLuaf8cTY9TZH8TbTNcZXfZQjZpa0WmyvrhX0yv/v?= =?us-ascii?Q?fmwWflrGsUxo4U1756m4CKs0k2cPGEg/ZVibC8yDbbLnzuaZLBQd4XFH65Fs?= =?us-ascii?Q?REdNO3eCkQu+XTUohogzMIlNGtpHQz3gOPWsQ5ztvCldjxEGJhtGoTLSJmr+?= =?us-ascii?Q?g8zv55lR0mOvhrkKyzMz1m2I/l/BIDkZqGeggCA0BxQNTNQcCwh0sH9Zf9OI?= =?us-ascii?Q?FMMwrFo868maz+986p1ZsqR6RZtDSOJFyx7C?= 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)(36860700013)(82310400026)(1800799024);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 24 Aug 2025 08:40:55.0245 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 43242f2c-1504-4896-8231-08dde2e9f0ce 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: CH2PEPF00000144.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY8PR12MB7315 Content-Type: text/plain; charset="utf-8" From: Alexei Lazar The local Xoff value is being set before the firmware (FW) update. In case of a failure where the FW is not updated with the new value, there is no fallback to the previous value. Update the local Xoff value after the FW has been successfully set. Fixes: 0696d60853d5 ("net/mlx5e: Receive buffer configuration") Signed-off-by: Alexei Lazar Reviewed-by: Tariq Toukan Reviewed-by: Dragos Tatulea Signed-off-by: Mark Bloch --- drivers/net/ethernet/mellanox/mlx5/core/en/port_buffer.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/port_buffer.c b/dri= vers/net/ethernet/mellanox/mlx5/core/en/port_buffer.c index 3efa8bf1d14e..4720523813b9 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/port_buffer.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/port_buffer.c @@ -575,7 +575,6 @@ int mlx5e_port_manual_buffer_config(struct mlx5e_priv *= priv, if (err) return err; } - priv->dcbx.xoff =3D xoff; =20 /* Apply the settings */ if (update_buffer) { @@ -584,6 +583,8 @@ int mlx5e_port_manual_buffer_config(struct mlx5e_priv *= priv, return err; } =20 + priv->dcbx.xoff =3D xoff; + if (update_prio2buffer) err =3D mlx5e_port_set_priority2buffer(priv->mdev, prio2buffer); =20 --=20 2.34.1