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GET /api/patches/2224572/?format=api
{ "id": 2224572, "url": "http://patchwork.ozlabs.org/api/patches/2224572/?format=api", "web_url": "http://patchwork.ozlabs.org/project/openvswitch/patch/20260417162842.3565692-1-trozet@nvidia.com/", "project": { "id": 47, "url": "http://patchwork.ozlabs.org/api/projects/47/?format=api", "name": "Open vSwitch", "link_name": "openvswitch", "list_id": "ovs-dev.openvswitch.org", "list_email": "ovs-dev@openvswitch.org", "web_url": "http://openvswitch.org/", "scm_url": "git@github.com:openvswitch/ovs.git", "webscm_url": "https://github.com/openvswitch/ovs", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260417162842.3565692-1-trozet@nvidia.com>", "list_archive_url": null, "date": "2026-04-17T16:28:42", "name": "[ovs-dev] dpif-offload: Log flow details for TC offload ERR failures.", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "b26c6fe72377ad064455d3d0100a4615b98f3fcd", "submitter": { "id": 93176, "url": "http://patchwork.ozlabs.org/api/people/93176/?format=api", "name": "Tim Rozet", "email": "trozet@nvidia.com" }, "delegate": { "id": 75123, "url": "http://patchwork.ozlabs.org/api/users/75123/?format=api", "username": "echaudron", "first_name": "Eelco", "last_name": "Chaudron", "email": "echaudro@redhat.com" }, "mbox": "http://patchwork.ozlabs.org/project/openvswitch/patch/20260417162842.3565692-1-trozet@nvidia.com/mbox/", "series": [ { "id": 500371, "url": "http://patchwork.ozlabs.org/api/series/500371/?format=api", "web_url": "http://patchwork.ozlabs.org/project/openvswitch/list/?series=500371", "date": "2026-04-17T16:28:42", "name": "[ovs-dev] dpif-offload: Log flow details for TC offload ERR failures.", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/500371/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2224572/comments/", "check": "success", "checks": "http://patchwork.ozlabs.org/api/patches/2224572/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<ovs-dev-bounces@openvswitch.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "dev@openvswitch.org" ], "Delivered-To": [ "patchwork-incoming@legolas.ozlabs.org", "ovs-dev@lists.linuxfoundation.org" ], "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=fail reason=\"signature verification failed\" (2048-bit key;\n unprotected) header.d=Nvidia.com header.i=@Nvidia.com header.a=rsa-sha256\n header.s=selector2 header.b=WvdKhL/Z;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=openvswitch.org\n (client-ip=2605:bc80:3010::136; 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CTRY:US; LANG:en; SCL:1;\n SRV:;\n IPV:NLI; SFV:NSPM; H:mail.nvidia.com; PTR:dc6edge1.nvidia.com; CAT:NONE;\n SFS:(13230040)(1800799024)(36860700016)(82310400026)(376014)(56012099003)(18002099003);\n DIR:OUT; SFP:1101;", "X-MS-Exchange-AntiSpam-MessageData-ChunkCount": "1", "X-MS-Exchange-AntiSpam-MessageData-0": "\n r1A+6lpCuxwnYYwwEeIIItNV553wvRpsuJ7S9bm6iUA9sEds7LhDnBJpydilt0soOkZtGWPKFA3eK6gi81LYDSj/3WCMAuFqYt22gbPxUwJnlEpT2SXmiNDIXjEywNBsKFFdrd+GtTMfU9U5UZTwdb+55VIc2NoqJXonk1JfDsgNG6P0DYmd1RfZmZe+8bAewTtDibOGhdalqYSJB0h8CdZGERXA/xWFvJcYdsTEKjzHQzZEbUSDpCVbKPnt5L5YF6bJ+6ExIbXeDa3RAB1I9fasBi3iuFoMKxgAIpwh8oDHf+8mvIgGRliNa7wrXk5msnDEvcSLPnaFwUdF8LHkUJEMMm4iy4Zvl1khUiJP06M+Pe3N35tVT29yEpwOC73p+tk8fct9JzmEkQIUN35Waj7j9yh5hGdMPTPAp8LmCvfdr3fOQS27uAgk/uADdIN3", "X-OriginatorOrg": "Nvidia.com", "X-MS-Exchange-CrossTenant-OriginalArrivalTime": "17 Apr 2026 16:29:34.5310 (UTC)", "X-MS-Exchange-CrossTenant-Network-Message-Id": "\n 75478cc0-328c-4e2b-2d4d-08de9c9e82d7", "X-MS-Exchange-CrossTenant-Id": "43083d15-7273-40c1-b7db-39efd9ccc17a", "X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp": "\n TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a; Ip=[216.228.117.160];\n Helo=[mail.nvidia.com]", "X-MS-Exchange-CrossTenant-AuthSource": "\n MN1PEPF0000F0E3.namprd04.prod.outlook.com", "X-MS-Exchange-CrossTenant-AuthAs": "Anonymous", "X-MS-Exchange-CrossTenant-FromEntityHeader": "HybridOnPrem", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "DM6PR12MB4187", "Subject": "[ovs-dev] [PATCH] dpif-offload: Log flow details for TC offload ERR\n failures.", "X-BeenThere": "ovs-dev@openvswitch.org", "X-Mailman-Version": "2.1.30", "Precedence": "list", "List-Id": "<ovs-dev.openvswitch.org>", "List-Unsubscribe": "<https://mail.openvswitch.org/mailman/options/ovs-dev>,\n <mailto:ovs-dev-request@openvswitch.org?subject=unsubscribe>", "List-Archive": "<http://mail.openvswitch.org/pipermail/ovs-dev/>", "List-Post": "<mailto:ovs-dev@openvswitch.org>", "List-Help": "<mailto:ovs-dev-request@openvswitch.org?subject=help>", "List-Subscribe": "<https://mail.openvswitch.org/mailman/listinfo/ovs-dev>,\n <mailto:ovs-dev-request@openvswitch.org?subject=subscribe>", "From": "Tim Rozet via dev <ovs-dev@openvswitch.org>", "Reply-To": "Tim Rozet <trozet@nvidia.com>", "Content-Type": "text/plain; charset=\"us-ascii\"", "Content-Transfer-Encoding": "7bit", "Errors-To": "ovs-dev-bounces@openvswitch.org", "Sender": "\"dev\" <ovs-dev-bounces@openvswitch.org>" }, "content": "When there are offload errors we see error messages that only include\nthe netdev such as:\n\n2026-03-19T19:42:43.103Z|03122|dpif_netlink(handler367)|ERR|failed to offload flow: Invalid argument: ovn-d2586f-0\n\nThis error message lacks the flow information in order to debug why the\nflow failed to be offloaded. This then requires a user to go reproduce\nthe problem and turn on debug logging to try to correlate the error to a\nflow.\n\nPass the provider error to log_flow_put_message() for flow put failures,\nwhile keeping ENOSPC on the existing debug-only path. This makes the\noffload layer emit the failed flow match/actions for cases like EINVAL,\nso root-causing TC offload failures does not require enabling debug\nlogging.\n\nSigned-off-by: Tim Rozet <trozet@nvidia.com>\n---\n lib/dpif-offload.c | 8 +++++++-\n 1 file changed, 7 insertions(+), 1 deletion(-)", "diff": "diff --git a/lib/dpif-offload.c b/lib/dpif-offload.c\nindex bb2feced9..290dee2c7 100644\n--- a/lib/dpif-offload.c\n+++ b/lib/dpif-offload.c\n@@ -1279,8 +1279,14 @@ dpif_offload_operate(struct dpif *dpif, struct dpif_op **ops, size_t n_ops,\n \n switch (op->type) {\n case DPIF_OP_FLOW_PUT:\n+ /* Keep ENOSPC and unresolved sentinel values on the\n+ * existing debug-only path, but include full flow\n+ * details for real offload failures. */\n log_flow_put_message(dpif, &this_module,\n- &op->flow_put, 0);\n+ &op->flow_put,\n+ op->error > 0\n+ && op->error != ENOSPC\n+ ? op->error : 0);\n break;\n case DPIF_OP_FLOW_DEL:\n log_flow_del_message(dpif, &this_module,\n", "prefixes": [ "ovs-dev" ] }