From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 007A7A00C4 for ; Fri, 16 Dec 2022 11:56:28 +0100 (CET) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id C8FAB42D21; Fri, 16 Dec 2022 11:56:28 +0100 (CET) Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by mails.dpdk.org (Postfix) with ESMTP id 1B23142D15; Fri, 16 Dec 2022 11:56:27 +0100 (CET) Received: from dggpemm100011.china.huawei.com (unknown [172.30.72.55]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4NYQx53gyMzRq93; Fri, 16 Dec 2022 18:55:21 +0800 (CST) Received: from dggpemm500008.china.huawei.com (7.185.36.136) by dggpemm100011.china.huawei.com (7.185.36.112) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.34; Fri, 16 Dec 2022 18:56:25 +0800 Received: from dggpemm500008.china.huawei.com ([7.185.36.136]) by dggpemm500008.china.huawei.com ([7.185.36.136]) with mapi id 15.01.2375.034; Fri, 16 Dec 2022 18:56:25 +0800 From: wangyunjian To: "dev@dpdk.org" , "users@dpdk.org" , "qiming.yang@intel.com" , "wenjun1.wu@intel.com" CC: luyicai , "sunxun (F)" Subject: The link status of the 82599 NIC cannot be setted to down Thread-Topic: The link status of the 82599 NIC cannot be setted to down Thread-Index: AdkRPIQDnVzC5xaMTsqq2PCR0Sg2EA== Date: Fri, 16 Dec 2022 10:56:25 +0000 Message-ID: <00e5e245e5d8403693b32e1e4e74a43f@huawei.com> Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.174.242.157] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-CFilter-Loop: Reflected X-BeenThere: users@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK usage discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: users-bounces@dpdk.org Hi All, It is expected that the ixgbe_dev_set_link_down function is called to ma= ke the link status of the NIC down. However, the invoking is successful, but link status is still up. Anyone have some good ideas? dpdk version:DPDK 21.11 firmware-version:0x800006d5 NIC:Intel Corporation 82599 10 Gigabit Dual Port Backplane Connection (rev = 01)