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DIR:OUT; SFP:1102; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?SVFwUGFkcmdCanVaWlkwRUFEcEIrUGdKeE5Mazg2V0hvUHJPY1E2d2tHU3J6?= =?utf-8?B?NjNCYkZvUWRJMnpsT3J3S1UvV3RiNWdOcDhkRHB0MUNNcWZYZjBqMzF2TkFn?= =?utf-8?B?ZGZ6T1RvZTV6UEZ6a1dXbStpV0R4bldKUUw2ZGs5TEg1QXdOdHI2SUd5TVFT?= =?utf-8?B?SWpNVDdqNVhQMlU2RUs4SjJQQ0hWYklucklzeUN3OW9EUndLcDdtVVM0OVlt?= =?utf-8?B?L3BqOTMyTjF1dm56SWg2R28rNGpMaFdsWkVZMEg3NjY5RHNVQTBwc095dGFV?= =?utf-8?B?VS9DK2ZwOXk2R3NsMVNRdDhtU3N6dHlHRlRmalBQOGxWR3EyWWsxNXFVT1d1?= =?utf-8?B?dFF2NU4xdC9PbGpYNDZ2d0R5bnh4bkxzdWs3WVgyL21XWHhNMmthSGU4M1hk?= =?utf-8?B?QTRoNmEvRmMrcEltSlF0bjRmZmI4dHdmL1Rvd3oyKzQzcElWT2FRVGtDSW10?= =?utf-8?B?NUtVNjJDVUhSQzF5aVg3RVpmbVRvYzJBOWd4Tkx6K3VhQis5WHN4MUNiakp6?= =?utf-8?B?UTBWTG9HVm9UaVRRNm50dXZHWmREUEtnM2lvYTVXR3RobkhIdGhnMVVBMXRD?= =?utf-8?B?azJXc2drSjZvNXB4a3Zsc2cwa3VrMHJVTkhHd05vVndEN05GRGpYY3l1Zjlj?= =?utf-8?B?QjVBNVF0bnpGemw4d2VSMGkyVnVNQ21tS1FhY1lrT3h2WUVGb21CYll6bjIx?= =?utf-8?B?T2Z3QlljcVhiNjByWGpjY3AvVUxEM29yVG9rb040elROaE5yVmR5dW5PZnUy?= =?utf-8?B?c293Nm5tOHZidnVyVDhRaVk2VXpWSmxXalMyN1d5ejhCT3JYcjBmSWJCMEdv?= =?utf-8?B?ejZGRy9uQ21ObytET1FNTUdzMHROcW5ZUlhGcGEwT1dOay80VDNPbnhBSCtN?= =?utf-8?B?cE5OY09MNGNiS2JCRTRpMFVJSVZPZjhrUzdka3MxKzZpaEhmenQ4emYvL29n?= =?utf-8?B?Yys3VVYzS0hTN05jN3VmdUIyZDVHa3UxSEoyVklFVStaSlphWTVlN1JjeDVF?= =?utf-8?B?ZUJxRDd5bGdJK2M1M3AwUjFqS3VTLy91M3VhOElPc3lSdTJPSUFBNlFyeHFS?= =?utf-8?B?SzJrWGkvSVIzbTBzVHI3b2xNYkV0WlJwVlUzOElKY2RxT3ZoZFdlN2RhRitN?= =?utf-8?B?ODlyWmxDYk5ad1hST3NBOE8vd0MwOVJ4by9HU3h3aHV2VmdNelQ2VGQyRUV5?= =?utf-8?B?dWVWOTFIZDVtb0tKbHFLbjU5Y0s2YzJJZnZzTUwyN2VIYW91UHlqU2xBV3Y5?= =?utf-8?B?U1FGV1VqWHZ0cmJFQzZzalZZQWxqclM4U1YvMGQvWWhCMEpUNlFSbEg1U1Y4?= =?utf-8?B?d0tzT0ZmTEtSOXEzSlVNQnFXeG4rbDJEZjhTRDBjVjlyR1YzZFhNRmtrOWVY?= =?utf-8?B?VUUwdTRlK3lBcUxYbThSNzNPZ0VVTDlwRGt5TlZjYjNMdHIycUJPb3NUdWIz?= =?utf-8?B?MGZBb1VDQ1RuWk11MWlwajA2TG5GS21vc1A4RGNtMDJnSjAzV2F2ZzJMUmE5?= =?utf-8?B?bVFDU0FWT2pwcDlRQmtqNmF3aG1oWFFHU0R1R0RMTCtKQWQ1NDlObVMvcWg1?= =?utf-8?B?UlZ5SXdvejZ2Yi9QOUZqYS9pWVBOWE10ME9kR05acjRuQzFlSGRBMEowaVpU?= =?utf-8?B?WlNxSE9HSVlpb2dreUpUNkxKZGpJQTJiajlvTFBoVW10Vmg4cFZTeTFoVkMv?= =?utf-8?B?aXVpbklKUWJIdDVnY25CZ2w3eWNDNWJkZGFvZWFzc3dieHNteEVxb1ZyUXY3?= =?utf-8?Q?5p6L2V/6PuM0fq2ckbzbhP2KEyPiCOSh3oh2zlo?= X-MS-Exchange-CrossTenant-Network-Message-Id: 6136f9af-a187-42bf-3741-08d98a43c304 X-MS-Exchange-CrossTenant-AuthSource: CO1PR11MB4868.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 08 Oct 2021 10:09:49.0992 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 46c98d88-e344-4ed4-8496-4ed7712e255d X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: CQfZlu4fy2k3bn53b+F6QdtvEIClsHyroI/Uiq4tKuL1RYtnK43fViNf0nMfBMFb3HGUWaQO0y1es2cQPysyHA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: MWHPR1101MB2253 X-OriginatorOrg: intel.com Subject: Re: [dpdk-dev] [PATCH v4 6/6] net/iavf: add watchdog for VFLR X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" On 10/8/2021 7:19 AM, Wu, Jingjing wrote: >>> Besides checking VFGEN_RSTAT, there is a process to handle >> VIRTCHNL_OP_EVENT from PF. What is the change for? Any scenario which >> VIRTCHNL_OP_EVENT doesn't cover? >>> And how is the 500us been determined? >> Hi Jingjing, thanks for reviewing, I think this can be handled with the >> VIRTCHNL_OP_EVENT  with no need for a watchdog alarm, I will rework the >> patch. >> > Hi, Radu, I saw the patch is reworked, but looks like watchdog is still there. So what is the scenario > VIRTCHNL_OP_EVENT doesn't cover? Hi Jingjing I went over this with Declan, the reason it was added is that we can actually have a hardware initiated reset that may not trigger an event; and also the kernel driver is implementing a similar mechanism. Would it be more acceptable to have it disabled by default?