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Tue, 15 Sep 2026 04:19:45 -0700 From: Tariq Toukan To: Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , , Paolo Abeni CC: Erez Shitrit , Gal Pressman , "Leon Romanovsky" , open list , , Mark Bloch , Saeed Mahameed , Tariq Toukan , Yevgeny Kliteynik Subject: [PATCH net-next 5/6] net/mlx5: HWS, Handle timeout draining the send queue for FW STEs Date: Tue, 15 Sep 2026 14:19:11 +0300 Message-ID: <20260915111912.3926585-6-tariqt@nvidia.com> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20260915111912.3926585-1-tariqt@nvidia.com> References: <20260915111912.3926585-1-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: 8bit Content-Type: text/plain X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BN3PEPF00022BBA:EE_|BL3PR12MB6619:EE_ X-MS-Office365-Filtering-Correlation-Id: b217407c-9596-40d8-ac7e-08df131b4dfd X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|82310400026|1800799024|23010399003|36860700016|10067099003|56012099006|11063799006|22082099003|18002099003; X-Microsoft-Antispam-Message-Info: MyPPSNm3FuHmZQKJG/7eS6I1fETyQrXzwRz9B+U5K/CKly0GgaEY7+ncRi/+29e9ELpLJY6p3GLQaPF0RHBpLAJEXOAuN5dtRBL6XqC+6NQHHAWP714B+iq1LJvKlrcpH6BLOtMDV/RWHlWMwSBnvSqEOIMGbzD7kCfbFoTaX7amPcvpe9P4yffjyT7Z/GnpoKRJDXAyFVC5wj3RwXQOFo713NML0WFm+ICk4UJSZRhl2UO21JcIbtnKBeU53PmD3ter1fnpgeGy8PMn4sZvygCftuLh6+WEiDEymtu407uTn6CEnF2uNb18fKmrqsCG+s4kMPAFheq0Bibeipyu1NQexSWJCl1kAG1mKn83ki9Eg4qpuDhOHhBbIi8ApNxnJZLZCX7GY6WXhxWumarAjNFKsv/cQmb+R8ktOvw2QzN21INsG2tAbqbLjkifVFkKlNpwsK3QYohKvVVVdX9068AivujADoUBJN7K19Zwc50KkhYp4NEoECcB35QkhvvQVdfDZNNGC5awu+sFwjWnDzHjzwmCbNKx/nrvn2NzxJridGtQJXn8REcn+5ae7I4GI6Fq5bYfysacq1E6ExJURFsaV9jjJjWi0uAGT5STJSIEwHBUppxB475786JkahBm6RYwg/5PemVfC+xSscBkgVsF1IPHeT0Yf+fBB+aLe8iEfoPGodWRmc8o4/yWUW2Nax0zhooyJlyK01K1TU+j8w== X-Forefront-Antispam-Report: CIP:216.228.118.232;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc7edge1.nvidia.com;CAT:NONE;SFS:(13230040)(376014)(82310400026)(1800799024)(23010399003)(36860700016)(10067099003)(56012099006)(11063799006)(22082099003)(18002099003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: ni4WCNTFbwqJq7jOPjBBkB4ysCLYZrTbU9DeDmGvZjTNh5o++HZbMIw6RKtZ7xNC2L5LJq9z0Z4k5BUMxi3CuTLbaEcGsYWyFqks896x6g12QuHL6n+ydUbJQHjoR6axN56Qq1iPoPD7kdqyipiGRd5V2AemOCAoqiWTYOWnn4tas/FvC/AlhmVsp9b+r73lDHiWWos8YyMn7xhzotMDmuJ4BjDSGQvdEWzAWugIxnhkXNSOGTzOGSynE7tP7mTkQmv4FIFLIe7IyWGwm+v0TC4sEmcpyBUnOEQoK15aO3XLgavNQ+tNj4gsvFli4TGnEiqDY9gTu09gr2JuHMcUkIfIu7Zh28p8G3vxlOAxTd13zwPUUqpBY9X1OSJgyJi5UjN05eSGmbMthrOSKDrsl22oiGwQAHdQJRwwmA91qsbStYpFyiByopl0mahBXL9N X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 15 Sep 2026 11:20:10.1339 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: b217407c-9596-40d8-ac7e-08df131b4dfd X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.118.232];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: BN3PEPF00022BBA.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BL3PR12MB6619 From: Yevgeny Kliteynik Handle a case in mlx5hws_send_stes_fw where draining a queue fails with timeout. Signed-off-by: Yevgeny Kliteynik Reviewed-by: Erez Shitrit Signed-off-by: Tariq Toukan --- .../ethernet/mellanox/mlx5/core/steering/hws/send.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/send.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/send.c index 9ff109fc8230..bddac018b44b 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/send.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/hws/send.c @@ -1335,10 +1335,14 @@ void mlx5hws_send_stes_fw(struct mlx5hws_context *ctx, pdn = ctx->pd_num; /* Writing through FW can't HW fence, therefore we drain the queue */ - if (send_attr->fence) - mlx5hws_send_queue_action(ctx, - queue_id, - MLX5HWS_SEND_QUEUE_ACTION_DRAIN_SYNC); + if (send_attr->fence) { + enum mlx5hws_send_queue_actions drain = + MLX5HWS_SEND_QUEUE_ACTION_DRAIN_SYNC; + + ret = mlx5hws_send_queue_action(ctx, queue_id, drain); + if (ret) + goto fail_rule; + } if (ste_attr->rtc_1) { send_attr->id = ste_attr->rtc_1; -- 2.44.0