From patchwork Fri Dec 3 09:20:49 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Guangbin Huang X-Patchwork-Id: 12654509 X-Patchwork-Delegate: kuba@kernel.org Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 06773C433FE for ; Fri, 3 Dec 2021 09:25:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1379595AbhLCJ3F (ORCPT ); Fri, 3 Dec 2021 04:29:05 -0500 Received: from szxga08-in.huawei.com ([45.249.212.255]:29086 "EHLO szxga08-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1379576AbhLCJ3E (ORCPT ); Fri, 3 Dec 2021 04:29:04 -0500 Received: from kwepemi500004.china.huawei.com (unknown [172.30.72.55]) by szxga08-in.huawei.com (SkyGuard) with ESMTP id 4J56mv6WWSz1DJKQ; Fri, 3 Dec 2021 17:22:55 +0800 (CST) Received: from kwepemm600016.china.huawei.com (7.193.23.20) by kwepemi500004.china.huawei.com (7.221.188.17) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.20; Fri, 3 Dec 2021 17:25:39 +0800 Received: from localhost.localdomain (10.67.165.24) by kwepemm600016.china.huawei.com (7.193.23.20) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.20; Fri, 3 Dec 2021 17:25:39 +0800 From: Guangbin Huang To: , , CC: , , , , Subject: [PATCH net-next 01/11] net: hns3: optimize function hclge_cfg_common_loopback() Date: Fri, 3 Dec 2021 17:20:49 +0800 Message-ID: <20211203092059.24947-2-huangguangbin2@huawei.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20211203092059.24947-1-huangguangbin2@huawei.com> References: <20211203092059.24947-1-huangguangbin2@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.67.165.24] X-ClientProxiedBy: dggems703-chm.china.huawei.com (10.3.19.180) To kwepemm600016.china.huawei.com (7.193.23.20) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org From: Yufeng Mo hclge_cfg_common_loopback() is a bit too long, so encapsulate hclge_cfg_common_loopback_cmd_send() and hclge_cfg_common_loopback_wait() two functions to improve readability. Signed-off-by: Yufeng Mo Signed-off-by: Guangbin Huang --- .../hisilicon/hns3/hns3pf/hclge_main.c | 62 +++++++++++++------ 1 file changed, 42 insertions(+), 20 deletions(-) diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c index 6d68cc23f1c0..5a5e74dfd0be 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c @@ -8000,16 +8000,13 @@ static int hclge_set_app_loopback(struct hclge_dev *hdev, bool en) return ret; } -static int hclge_cfg_common_loopback(struct hclge_dev *hdev, bool en, - enum hnae3_loop loop_mode) +static int hclge_cfg_common_loopback_cmd_send(struct hclge_dev *hdev, bool en, + enum hnae3_loop loop_mode) { -#define HCLGE_COMMON_LB_RETRY_MS 10 -#define HCLGE_COMMON_LB_RETRY_NUM 100 - struct hclge_common_lb_cmd *req; struct hclge_desc desc; - int ret, i = 0; u8 loop_mode_b; + int ret; req = (struct hclge_common_lb_cmd *)desc.data; hclge_cmd_setup_basic_desc(&desc, HCLGE_OPC_COMMON_LOOPBACK, false); @@ -8026,23 +8023,34 @@ static int hclge_cfg_common_loopback(struct hclge_dev *hdev, bool en, break; default: dev_err(&hdev->pdev->dev, - "unsupported common loopback mode %d\n", loop_mode); + "unsupported loopback mode %d\n", loop_mode); return -ENOTSUPP; } - if (en) { + req->mask = loop_mode_b; + if (en) req->enable = loop_mode_b; - req->mask = loop_mode_b; - } else { - req->mask = loop_mode_b; - } ret = hclge_cmd_send(&hdev->hw, &desc, 1); - if (ret) { + if (ret) dev_err(&hdev->pdev->dev, - "common loopback set fail, ret = %d\n", ret); - return ret; - } + "failed to send loopback cmd, loop_mode = %d, ret = %d\n", + loop_mode, ret); + + return ret; +} + +static int hclge_cfg_common_loopback_wait(struct hclge_dev *hdev) +{ +#define HCLGE_COMMON_LB_RETRY_MS 10 +#define HCLGE_COMMON_LB_RETRY_NUM 100 + + struct hclge_common_lb_cmd *req; + struct hclge_desc desc; + u32 i = 0; + int ret; + + req = (struct hclge_common_lb_cmd *)desc.data; do { msleep(HCLGE_COMMON_LB_RETRY_MS); @@ -8051,20 +8059,34 @@ static int hclge_cfg_common_loopback(struct hclge_dev *hdev, bool en, ret = hclge_cmd_send(&hdev->hw, &desc, 1); if (ret) { dev_err(&hdev->pdev->dev, - "common loopback get, ret = %d\n", ret); + "failed to get loopback done status, ret = %d\n", + ret); return ret; } } while (++i < HCLGE_COMMON_LB_RETRY_NUM && !(req->result & HCLGE_CMD_COMMON_LB_DONE_B)); if (!(req->result & HCLGE_CMD_COMMON_LB_DONE_B)) { - dev_err(&hdev->pdev->dev, "common loopback set timeout\n"); + dev_err(&hdev->pdev->dev, "wait loopback timeout\n"); return -EBUSY; } else if (!(req->result & HCLGE_CMD_COMMON_LB_SUCCESS_B)) { - dev_err(&hdev->pdev->dev, "common loopback set failed in fw\n"); + dev_err(&hdev->pdev->dev, "faile to do loopback test\n"); return -EIO; } - return ret; + + return 0; +} + +static int hclge_cfg_common_loopback(struct hclge_dev *hdev, bool en, + enum hnae3_loop loop_mode) +{ + int ret; + + ret = hclge_cfg_common_loopback_cmd_send(hdev, en, loop_mode); + if (ret) + return ret; + + return hclge_cfg_common_loopback_wait(hdev); } static int hclge_set_common_loopback(struct hclge_dev *hdev, bool en,