linux-kernel - [PATCH net-next 08/12] net: hns3: optimize waiting time for TQP reset

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Date:   Wed, 28 Aug 2019 22:23:12 +0800
From:   Huazhong Tan <tanhuazhong@...wei.com>
To:     <davem@...emloft.net>
CC:     <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <salil.mehta@...wei.com>, <yisen.zhuang@...wei.com>,
        <linuxarm@...wei.com>, Zhongzhu Liu <liuzhongzhu@...wei.com>,
        Huazhong Tan <tanhuazhong@...wei.com>
Subject: [PATCH net-next 08/12] net: hns3: optimize waiting time for TQP reset

From: Zhongzhu Liu <liuzhongzhu@...wei.com>

This patch optimizes the waiting time for TQP reset.

Signed-off-by: Zhongzhu Liu <liuzhongzhu@...wei.com>
Reviewed-by: Yunsheng Lin <linyunsheng@...wei.com>
Reviewed-by: Peng Li <lipeng321@...wei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@...wei.com>
---
 drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c | 10 ++++++----
 drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h |  2 +-
 2 files changed, 7 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 8a5b81d..f43c298 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
@@ -8262,11 +8262,12 @@ int hclge_reset_tqp(struct hnae3_handle *handle, u16 queue_id)
 	}
 
 	while (reset_try_times++ < HCLGE_TQP_RESET_TRY_TIMES) {
-		/* Wait for tqp hw reset */
-		msleep(20);
 		reset_status = hclge_get_reset_status(hdev, queue_gid);
 		if (reset_status)
 			break;
+
+		/* Wait for tqp hw reset */
+		usleep_range(1000, 1200);
 	}
 
 	if (reset_try_times >= HCLGE_TQP_RESET_TRY_TIMES) {
@@ -8300,11 +8301,12 @@ void hclge_reset_vf_queue(struct hclge_vport *vport, u16 queue_id)
 	}
 
 	while (reset_try_times++ < HCLGE_TQP_RESET_TRY_TIMES) {
-		/* Wait for tqp hw reset */
-		msleep(20);
 		reset_status = hclge_get_reset_status(hdev, queue_gid);
 		if (reset_status)
 			break;
+
+		/* Wait for tqp hw reset */
+		usleep_range(1000, 1200);
 	}
 
 	if (reset_try_times >= HCLGE_TQP_RESET_TRY_TIMES) {
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h
index 7ff03b9..00c07f8 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h
@@ -119,7 +119,7 @@
 #define HCLGE_DEFAULT_UMV_SPACE_PER_PF \
 	(HCLGE_UMV_TBL_SIZE / HCLGE_MAX_PF_NUM)
 
-#define HCLGE_TQP_RESET_TRY_TIMES	10
+#define HCLGE_TQP_RESET_TRY_TIMES	200
 
 #define HCLGE_PHY_PAGE_MDIX		0
 #define HCLGE_PHY_PAGE_COPPER		0
-- 
2.7.4