From patchwork Fri Jan 28 02:07:07 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "humin (Q)" X-Patchwork-Id: 106649 X-Patchwork-Delegate: ferruh.yigit@amd.com 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 A7E31A034E; Fri, 28 Jan 2022 03:07:31 +0100 (CET) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 29BC34285A; Fri, 28 Jan 2022 03:07:04 +0100 (CET) Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by mails.dpdk.org (Postfix) with ESMTP id 7DE2942834 for ; Fri, 28 Jan 2022 03:07:01 +0100 (CET) Received: from dggeme756-chm.china.huawei.com (unknown [172.30.72.53]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4JlLQP6xjcz9sZ9; Fri, 28 Jan 2022 10:05:33 +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 15.1.2308.21; Fri, 28 Jan 2022 10:06:54 +0800 From: "Min Hu (Connor)" To: CC: , Subject: [PATCH 5/6] net/hns3: fix operating queue when TCAM table is invalid Date: Fri, 28 Jan 2022 10:07:07 +0800 Message-ID: <20220128020708.62787-6-humin29@huawei.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20220128020708.62787-1-humin29@huawei.com> References: <20220128020708.62787-1-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 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 From: Huisong Li Reset queues will query the TCAM table. The table is cleared after global or imp reset. Currently, PF driver first resets Rx/Tx queues and then restore the table during the reset recovery process, which will fail to query the table and trigger a RAS error. Fixes: fa29fe45a7b4 ("net/hns3: support queue start and stop") Cc: stable@dpdk.org Signed-off-by: Huisong Li Signed-off-by: Min Hu (Connor) --- drivers/net/hns3/hns3_ethdev.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/drivers/net/hns3/hns3_ethdev.c b/drivers/net/hns3/hns3_ethdev.c index 57f1572340..2641b6f79b 100644 --- a/drivers/net/hns3/hns3_ethdev.c +++ b/drivers/net/hns3/hns3_ethdev.c @@ -4378,6 +4378,10 @@ hns3_init_hardware(struct hns3_adapter *hns) struct hns3_hw *hw = &hns->hw; int ret; + /* + * All queue-related HW operations must be performed after the TCAM + * table is configured. + */ ret = hns3_map_tqp(hw); if (ret) { PMD_INIT_LOG(ERR, "Failed to map tqp: %d", ret); @@ -5547,15 +5551,15 @@ hns3_reinit_dev(struct hns3_adapter *hns) return ret; } - ret = hns3_reset_all_tqps(hns); + ret = hns3_init_hardware(hns); if (ret) { - hns3_err(hw, "Failed to reset all queues: %d", ret); + hns3_err(hw, "Failed to init hardware: %d", ret); return ret; } - ret = hns3_init_hardware(hns); + ret = hns3_reset_all_tqps(hns); if (ret) { - hns3_err(hw, "Failed to init hardware: %d", ret); + hns3_err(hw, "Failed to reset all queues: %d", ret); return ret; }