netdev - [PATCH net 3/6] net: hns3: refactor hclge_mac_link_status

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Message-ID: <20230728075840.4022760-4-shaojijie@huawei.com>
Date: Fri, 28 Jul 2023 15:58:37 +0800
From: Jijie Shao <shaojijie@...wei.com>
To: <yisen.zhuang@...wei.com>, <salil.mehta@...wei.com>,
	<davem@...emloft.net>, <edumazet@...gle.com>, <kuba@...nel.org>,
	<pabeni@...hat.com>
CC: <shenjian15@...wei.com>, <wangjie125@...wei.com>,
	<liuyonglong@...wei.com>, <wangpeiyang1@...wei.com>, <shaojijie@...wei.com>,
	<netdev@...r.kernel.org>, <stable@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>
Subject: [PATCH net 3/6] net: hns3: refactor hclge_mac_link_status_wait for interface reuse

From: Jie Wang <wangjie125@...wei.com>

Some nic configurations could only be performed after link is down. So this
patch refactor this API for reuse.

Signed-off-by: Jie Wang <wangjie125@...wei.com>
Signed-off-by: Jijie Shao <shaojijie@...wei.com>
---
 .../ethernet/hisilicon/hns3/hns3pf/hclge_main.c    | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
index 5594b8dd1e1d..b440e42e1d9c 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
@@ -72,6 +72,8 @@ static void hclge_restore_hw_table(struct hclge_dev *hdev);
 static void hclge_sync_promisc_mode(struct hclge_dev *hdev);
 static void hclge_sync_fd_table(struct hclge_dev *hdev);
 static void hclge_update_fec_stats(struct hclge_dev *hdev);
+static int hclge_mac_link_status_wait(struct hclge_dev *hdev, int link_ret,
+				      int wait_cnt);
 
 static struct hnae3_ae_algo ae_algo;
 
@@ -7647,10 +7649,9 @@ static void hclge_phy_link_status_wait(struct hclge_dev *hdev,
 	} while (++i < HCLGE_PHY_LINK_STATUS_NUM);
 }
 
-static int hclge_mac_link_status_wait(struct hclge_dev *hdev, int link_ret)
+static int hclge_mac_link_status_wait(struct hclge_dev *hdev, int link_ret,
+				      int wait_cnt)
 {
-#define HCLGE_MAC_LINK_STATUS_NUM  100
-
 	int link_status;
 	int i = 0;
 	int ret;
@@ -7663,13 +7664,15 @@ static int hclge_mac_link_status_wait(struct hclge_dev *hdev, int link_ret)
 			return 0;
 
 		msleep(HCLGE_LINK_STATUS_MS);
-	} while (++i < HCLGE_MAC_LINK_STATUS_NUM);
+	} while (++i < wait_cnt);
 	return -EBUSY;
 }
 
 static int hclge_mac_phy_link_status_wait(struct hclge_dev *hdev, bool en,
 					  bool is_phy)
 {
+#define HCLGE_MAC_LINK_STATUS_NUM  100
+
 	int link_ret;
 
 	link_ret = en ? HCLGE_LINK_STATUS_UP : HCLGE_LINK_STATUS_DOWN;
@@ -7677,7 +7680,8 @@ static int hclge_mac_phy_link_status_wait(struct hclge_dev *hdev, bool en,
 	if (is_phy)
 		hclge_phy_link_status_wait(hdev, link_ret);
 
-	return hclge_mac_link_status_wait(hdev, link_ret);
+	return hclge_mac_link_status_wait(hdev, link_ret,
+					  HCLGE_MAC_LINK_STATUS_NUM);
 }
 
 static int hclge_set_app_loopback(struct hclge_dev *hdev, bool en)
-- 
2.30.0