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Subject[PATCH net-next 02/12] net: hns3: add reset statistics for VF
Date
This patch adds some statistics for VF reset.

Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
---
drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c | 10 ++++++++--
drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.h | 11 ++++++++++-
2 files changed, 18 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c
index 2e277c9..ff2cdf9 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c
@@ -1415,9 +1415,11 @@ static int hclgevf_reset_prepare_wait(struct hclgevf_dev *hdev)
case HNAE3_VF_FUNC_RESET:
ret = hclgevf_send_mbx_msg(hdev, HCLGE_MBX_RESET, 0, NULL,
0, true, NULL, sizeof(u8));
+ hdev->rst_stats.vf_func_rst_cnt++;
break;
case HNAE3_FLR_RESET:
set_bit(HNAE3_FLR_DOWN, &hdev->flr_state);
+ hdev->rst_stats.flr_rst_cnt++;
break;
default:
break;
@@ -1440,7 +1442,7 @@ static int hclgevf_reset(struct hclgevf_dev *hdev)
* know if device is undergoing reset
*/
ae_dev->reset_type = hdev->reset_type;
- hdev->reset_count++;
+ hdev->rst_stats.rst_cnt++;
rtnl_lock();

/* bring down the nic to stop any ongoing TX/RX */
@@ -1466,6 +1468,8 @@ static int hclgevf_reset(struct hclgevf_dev *hdev)
goto err_reset;
}

+ hdev->rst_stats.hw_rst_done_cnt++;
+
rtnl_lock();

/* now, re-initialize the nic client and ae device*/
@@ -1484,6 +1488,7 @@ static int hclgevf_reset(struct hclgevf_dev *hdev)

hdev->last_reset_time = jiffies;
ae_dev->reset_type = HNAE3_NONE_RESET;
+ hdev->rst_stats.rst_done_cnt++;

return ret;
err_reset_lock:
@@ -1803,6 +1808,7 @@ static enum hclgevf_evt_cause hclgevf_check_evt_cause(struct hclgevf_dev *hdev,
set_bit(HCLGEVF_STATE_CMD_DISABLE, &hdev->state);
cmdq_src_reg &= ~BIT(HCLGEVF_VECTOR0_RST_INT_B);
*clearval = cmdq_src_reg;
+ hdev->rst_stats.vf_rst_cnt++;
return HCLGEVF_VECTOR0_EVENT_RST;
}

@@ -2737,7 +2743,7 @@ static unsigned long hclgevf_ae_dev_reset_cnt(struct hnae3_handle *handle)
{
struct hclgevf_dev *hdev = hclgevf_ae_get_hdev(handle);

- return hdev->reset_count;
+ return hdev->rst_stats.hw_rst_done_cnt;
}

static void hclgevf_get_link_mode(struct hnae3_handle *handle,
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.h b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.h
index 49e5bec..d39c032 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.h
@@ -210,6 +210,15 @@ struct hclgevf_misc_vector {
int vector_irq;
};

+struct hclgevf_rst_stats {
+ u32 rst_cnt; /* the number of reset */
+ u32 vf_func_rst_cnt; /* the number of VF function reset */
+ u32 flr_rst_cnt; /* the number of FLR */
+ u32 vf_rst_cnt; /* the number of VF reset */
+ u32 rst_done_cnt; /* the number of reset completed */
+ u32 hw_rst_done_cnt; /* the number of HW reset completed */
+};
+
struct hclgevf_dev {
struct pci_dev *pdev;
struct hnae3_ae_dev *ae_dev;
@@ -227,7 +236,7 @@ struct hclgevf_dev {
#define HCLGEVF_RESET_REQUESTED 0
#define HCLGEVF_RESET_PENDING 1
unsigned long reset_state; /* requested, pending */
- unsigned long reset_count; /* the number of reset has been done */
+ struct hclgevf_rst_stats rst_stats;
u32 reset_attempts;

u32 fw_version;
--
2.7.4
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