[PATCH V2 net-next 4/9] net: hns3: add support for devlink get info for PF

From: Guangbin Huang
Date: Thu Jul 15 2021 - 03:49:01 EST


From: Yufeng Mo <moyufeng@xxxxxxxxxx>

Add devlink get info support for HNS3 ethernet PF driver.

Signed-off-by: Yufeng Mo <moyufeng@xxxxxxxxxx>
Signed-off-by: Guangbin Huang <huangguangbin2@xxxxxxxxxx>
---
.../ethernet/hisilicon/hns3/hns3pf/hclge_devlink.c | 30 ++++++++++++++++++++++
1 file changed, 30 insertions(+)

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_devlink.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_devlink.c
index 03b822b0a8e7..7de423d510c5 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_devlink.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_devlink.c
@@ -5,7 +5,37 @@

#include "hclge_devlink.h"

+static int hclge_devlink_info_get(struct devlink *devlink,
+ struct devlink_info_req *req,
+ struct netlink_ext_ack *extack)
+{
+#define HCLGE_DEVLINK_FW_STRING_LEN 32
+ struct hclge_devlink_priv *priv = devlink_priv(devlink);
+ char version_str[HCLGE_DEVLINK_FW_STRING_LEN];
+ struct hclge_dev *hdev = priv->hdev;
+ int ret;
+
+ ret = devlink_info_driver_name_put(req, KBUILD_MODNAME);
+ if (ret)
+ return ret;
+
+ snprintf(version_str, sizeof(version_str), "%lu.%lu.%lu.%lu",
+ hnae3_get_field(hdev->fw_version, HNAE3_FW_VERSION_BYTE3_MASK,
+ HNAE3_FW_VERSION_BYTE3_SHIFT),
+ hnae3_get_field(hdev->fw_version, HNAE3_FW_VERSION_BYTE2_MASK,
+ HNAE3_FW_VERSION_BYTE2_SHIFT),
+ hnae3_get_field(hdev->fw_version, HNAE3_FW_VERSION_BYTE1_MASK,
+ HNAE3_FW_VERSION_BYTE1_SHIFT),
+ hnae3_get_field(hdev->fw_version, HNAE3_FW_VERSION_BYTE0_MASK,
+ HNAE3_FW_VERSION_BYTE0_SHIFT));
+
+ return devlink_info_version_running_put(req,
+ DEVLINK_INFO_VERSION_GENERIC_FW,
+ version_str);
+}
+
static const struct devlink_ops hclge_devlink_ops = {
+ .info_get = hclge_devlink_info_get,
};

int hclge_devlink_init(struct hclge_dev *hdev)
--
2.8.1