From: Huisong Li <lihuis...@huawei.com>
Whether the enable bit of the pfc ("pfc_en") is changed is one of the
conditions for reconfiguring the DCB. Currently, pfc_en is not rolled back
when DCB configuration fails. This patch fixes it.
Fixes: 62e3ccc2b94c ("net/hns3: support flow control")
Cc: sta...@dpdk.org
Signed-off-by: Huisong Li <lihuis...@huawei.com>
Signed-off-by: Min Hu (Connor) <humi...@huawei.com>
---
drivers/net/hns3/hns3_dcb.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/net/hns3/hns3_dcb.c b/drivers/net/hns3/hns3_dcb.c
index 1cb6adb..90c0d04 100644
--- a/drivers/net/hns3/hns3_dcb.c
+++ b/drivers/net/hns3/hns3_dcb.c
@@ -1543,6 +1543,7 @@ hns3_dcb_hw_configure(struct hns3_adapter *hns)
enum hns3_fc_status fc_status = hw->current_fc_status;
enum hns3_fc_mode requested_fc_mode = hw->requested_fc_mode;
uint8_t hw_pfc_map = hw->dcb_info.hw_pfc_map;
+ uint8_t pfc_en = hw->dcb_info.pfc_en;
int ret;
if (pf->tx_sch_mode != HNS3_FLAG_TC_BASE_SCH_MODE &&
@@ -1596,6 +1597,7 @@ hns3_dcb_hw_configure(struct hns3_adapter *hns)
hw->current_fc_status = fc_status;
buffer_alloc_fail:
+ hw->dcb_info.pfc_en = pfc_en;
hw->dcb_info.hw_pfc_map = hw_pfc_map;
return ret;
--
2.7.4
