From patchwork Wed Jun 30 01:56:23 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "humin (Q)" X-Patchwork-Id: 95020 X-Patchwork-Delegate: andrew.rybchenko@oktetlabs.ru Return-Path: X-Original-To: patchwork@inbox.dpdk.org Delivered-To: patchwork@inbox.dpdk.org Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 6B8B4A0A0F; Wed, 30 Jun 2021 03:57:01 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 5CD5740E01; Wed, 30 Jun 2021 03:57:01 +0200 (CEST) Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) by mails.dpdk.org (Postfix) with ESMTP id C6F6440DF6 for ; Wed, 30 Jun 2021 03:56:59 +0200 (CEST) Received: from dggeme756-chm.china.huawei.com (unknown [172.30.72.53]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4GF4Bl253NzZjhC; Wed, 30 Jun 2021 09:53:51 +0800 (CST) Received: from localhost.localdomain (10.69.192.56) by dggeme756-chm.china.huawei.com (10.3.19.102) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2176.2; Wed, 30 Jun 2021 09:56:57 +0800 From: "Min Hu (Connor)" To: CC: , Date: Wed, 30 Jun 2021 09:56:23 +0800 Message-ID: <1625018183-58204-1-git-send-email-humin29@huawei.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1620378499-5090-7-git-send-email-humin29@huawei.com> References: <1620378499-5090-7-git-send-email-humin29@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.69.192.56] X-ClientProxiedBy: dggems702-chm.china.huawei.com (10.3.19.179) To dggeme756-chm.china.huawei.com (10.3.19.102) X-CFilter-Loop: Reflected Subject: [dpdk-dev] [PATCH v2] doc: add link status event pre-conditions 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" From: Chengwen Feng This patch adds link status event pre-conditions. Signed-off-by: Chengwen Feng Signed-off-by: Min Hu (Connor) --- v2: * not modified, only waiting for 5.13 kernel released. --- doc/guides/nics/hns3.rst | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/doc/guides/nics/hns3.rst b/doc/guides/nics/hns3.rst index cf72810..c5c55d3 100644 --- a/doc/guides/nics/hns3.rst +++ b/doc/guides/nics/hns3.rst @@ -115,6 +115,16 @@ Runtime Config Options For example:: -a 0000:7d:00.0,dev_caps_mask=0xF +Link status event Pre-conditions +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +Firmware 1.8.0.0 and later versions support reporting link changes to the PF. +Therefore, to use the LSC for the PF driver, ensure that the firmware version +also supports reporting link changes. +If the VF driver needs to support LSC, special patch must be added: +``_. +Note: The patch has been uploaded to 5.13 of the Linux kernel mainline. + Driver compilation and testing ------------------------------