[PATCH net-next 04/12] net: hns3: add some debug info for hclgevf_get_mbx_resp()

From: Huazhong Tan
Date: Thu Apr 18 2019 - 23:08:08 EST


When wait for response timeout or response code not match, there
should be more information for debugging.

Signed-off-by: Huazhong Tan <tanhuazhong@xxxxxxxxxx>
Signed-off-by: Peng Li <lipeng321@xxxxxxxxxx>
---
drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c
index bf57084..eb56287 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_mbx.c
@@ -49,8 +49,8 @@ static int hclgevf_get_mbx_resp(struct hclgevf_dev *hdev, u16 code0, u16 code1,

if (i >= HCLGEVF_MAX_TRY_TIMES) {
dev_err(&hdev->pdev->dev,
- "VF could not get mbx resp(=%d) from PF in %d tries\n",
- hdev->mbx_resp.received_resp, i);
+ "VF could not get mbx(%d,%d) resp(=%d) from PF in %d tries\n",
+ code0, code1, hdev->mbx_resp.received_resp, i);
return -EIO;
}

@@ -68,8 +68,11 @@ static int hclgevf_get_mbx_resp(struct hclgevf_dev *hdev, u16 code0, u16 code1,

if (!(r_code0 == code0 && r_code1 == code1 && !mbx_resp->resp_status)) {
dev_err(&hdev->pdev->dev,
- "VF could not match resp code(code0=%d,code1=%d), %d",
+ "VF could not match resp code(code0=%d,code1=%d), %d\n",
code0, code1, mbx_resp->resp_status);
+ dev_err(&hdev->pdev->dev,
+ "VF could not match resp r_code(r_code0=%d,r_code1=%d)\n",
+ r_code0, r_code1);
return -EIO;
}

--
2.7.4