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Subject[PATCH net-next 11/12] net: hns3: add queue's statistics update to service task
Date
From: liuzhongzhu <liuzhongzhu@huawei.com>

This patch updates VF's TQP statistic info in the service task,
and adds a limitation to prevent update too frequently.

Signed-off-by: liuzhongzhu <liuzhongzhu@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
---
drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c | 8 ++++++++
drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.h | 3 +++
2 files changed, 11 insertions(+)

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c
index ac06568..f9d98f8 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c
@@ -1649,6 +1649,7 @@ static void hclgevf_service_timer(struct timer_list *t)

mod_timer(&hdev->service_timer, jiffies + 5 * HZ);

+ hdev->stats_timer++;
hclgevf_task_schedule(hdev);
}

@@ -1769,9 +1770,16 @@ static void hclgevf_keep_alive_task(struct work_struct *work)

static void hclgevf_service_task(struct work_struct *work)
{
+ struct hnae3_handle *handle;
struct hclgevf_dev *hdev;

hdev = container_of(work, struct hclgevf_dev, service_task);
+ handle = &hdev->nic;
+
+ if (hdev->stats_timer >= HCLGEVF_STATS_TIMER_INTERVAL) {
+ hclgevf_tqps_update_stats(handle);
+ hdev->stats_timer = 0;
+ }

/* request the link status from the PF. PF would be able to tell VF
* about such updates in future so we might remove this later
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.h b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.h
index d39c032..ee3a6cb 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.h
@@ -116,6 +116,8 @@
#define HCLGEVF_S_IP_BIT BIT(3)
#define HCLGEVF_V_TAG_BIT BIT(4)

+#define HCLGEVF_STATS_TIMER_INTERVAL (36)
+
enum hclgevf_evt_cause {
HCLGEVF_VECTOR0_EVENT_RST,
HCLGEVF_VECTOR0_EVENT_MBX,
@@ -281,6 +283,7 @@ struct hclgevf_dev {
struct hnae3_client *nic_client;
struct hnae3_client *roce_client;
u32 flag;
+ u32 stats_timer;
};

static inline bool hclgevf_is_reset_pending(struct hclgevf_dev *hdev)
--
2.7.4
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