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[net-next,5/6] net: hns3: prevent unnecessary MAC TNL interrupt

Message ID 1565942982-12105-6-git-send-email-tanhuazhong@huawei.com
State Accepted
Delegated to: David Miller
Headers show
Series net: hns3: add some cleanups & bugfix | expand

Commit Message

tanhuazhong Aug. 16, 2019, 8:09 a.m. UTC
MAC TNL interrupt is used to collect statistic info about
link status changing suddenly when netdev is running.

But when stopping netdev, the enabled MAC TNL interrupt is
unnecessary, and may add some noises to the statistic info.
So this patch disables it before stopping MAC.

Fixes: a63457878b12 ("net: hns3: Add handling of MAC tunnel interruption")
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Reviewed-by: Yunsheng Lin <linyunsheng@huawei.com>
---
 drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c | 2 ++
 1 file changed, 2 insertions(+)
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Patch

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
index 24b59f0..9d64c43 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
@@ -6380,6 +6380,8 @@  static void hclge_ae_stop(struct hnae3_handle *handle)
 	for (i = 0; i < handle->kinfo.num_tqps; i++)
 		hclge_reset_tqp(handle, i);
 
+	hclge_config_mac_tnl_int(hdev, false);
+
 	/* Mac disable */
 	hclge_cfg_mac_mode(hdev, false);