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[net-next,7/9] net: hns3: don't restore rules when flow director is disabled

Message ID 1545277926-66432-8-git-send-email-lipeng321@huawei.com
State Accepted, archived
Delegated to: David Miller
Headers show
Series net: hns3: code optimizations & bugfixes for HNS3 driver | expand

Commit Message

lipeng (Y) Dec. 20, 2018, 3:52 a.m. UTC 
From: Jian Shen <shenjian15@huawei.com>

When user disables flow director, all the rules will be disabled. But
when reset happens, it will restore all the rules again. It's not
reasonable. This patch fixes it by add flow director status check before
restore fules.

Fixes: 6871af29b3ab ("net: hns3: Add reset handle for flow director")
Fixes: c17852a8932f ("net: hns3: Add support for enable/disable flow director")
Signed-off-by: Jian Shen <shenjian15@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
---
 drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c | 4 ++++
 1 file changed, 4 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 9f89858..f7637c0 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
@@ -4808,6 +4808,10 @@  static int hclge_restore_fd_entries(struct hnae3_handle *handle)
 	if (!hnae3_dev_fd_supported(hdev))
 		return 0;
 
+	/* if fd is disabled, should not restore it when reset */
+	if (!hdev->fd_cfg.fd_en)
+		return 0;
+
 	hlist_for_each_entry_safe(rule, node, &hdev->fd_rule_list, rule_node) {
 		ret = hclge_config_action(hdev, HCLGE_FD_STAGE_1, rule);
 		if (!ret)