[PATCH 01/11] net/hns3: fix uninitialized RTC time

Dongdong Liu liudongdong3 at huawei.com
Mon May 29 15:09:30 CEST 2023


From: Huisong Li <lihuisong at huawei.com>

Driver doesn't initialize RTC time during probe phase, which
lead to an inaccurate time.

Fixes: 38b539d96eb6 ("net/hns3: support IEEE 1588 PTP")
Cc: stable at dpdk.org

Signed-off-by: Huisong Li <lihuisong at huawei.com>
Signed-off-by: Dongdong Liu <liudongdong3 at huawei.com>
---
 drivers/net/hns3/hns3_ptp.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/net/hns3/hns3_ptp.c b/drivers/net/hns3/hns3_ptp.c
index db3c007b12..fb834bb180 100644
--- a/drivers/net/hns3/hns3_ptp.c
+++ b/drivers/net/hns3/hns3_ptp.c
@@ -59,6 +59,8 @@ hns3_ptp_int_en(struct hns3_hw *hw, bool en)
 int
 hns3_ptp_init(struct hns3_hw *hw)
 {
+	struct timespec sys_time;
+	struct rte_eth_dev *dev;
 	int ret;
 
 	if (!hns3_dev_get_support(hw, PTP))
@@ -71,6 +73,11 @@ hns3_ptp_init(struct hns3_hw *hw)
 	/* Start PTP timer */
 	hns3_write_dev(hw, HNS3_CFG_TIME_CYC_EN, 1);
 
+	/* Initializing the RTC. */
+	dev = &rte_eth_devices[hw->data->port_id];
+	clock_gettime(CLOCK_REALTIME, &sys_time);
+	(void)hns3_timesync_write_time(dev, &sys_time);
+
 	return 0;
 }
 
-- 
2.22.0



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