diff mbox series

[V2,net,4/5] net: hns3: fix fail to delete tc flower rules during reset issue

Message ID 20230918074840.2650978-5-shaojijie@huawei.com (mailing list archive)
State Accepted
Commit 1a7be66e4685b8541546222c305cce9710718a88
Delegated to: Netdev Maintainers
Headers show
Series There are some bugfix for the HNS3 ethernet driver | expand

Checks

Context Check Description
netdev/series_format success Posting correctly formatted
netdev/tree_selection success Clearly marked for net
netdev/fixes_present success Fixes tag present in non-next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 1340 this patch: 1340
netdev/cc_maintainers fail 1 blamed authors not CCed: tanhuazhong@huawei.com; 2 maintainers not CCed: tanhuazhong@huawei.com lanhao@huawei.com
netdev/build_clang success Errors and warnings before: 1363 this patch: 1363
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success Fixes tag looks correct
netdev/build_allmodconfig_warn success Errors and warnings before: 1363 this patch: 1363
netdev/checkpatch warning WARNING: line length of 82 exceeds 80 columns
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Jijie Shao Sept. 18, 2023, 7:48 a.m. UTC
Firmware does not respond driver commands during reset
Therefore, rule will fail to delete while the firmware is resetting

So, if failed to delete rule, set rule state to TO_DEL,
and the rule will be deleted when periodic task being scheduled.

Fixes: 0205ec041ec6 ("net: hns3: add support for hw tc offload of tc flower")
Signed-off-by: Jijie Shao <shaojijie@huawei.com>
---
 drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c | 6 ++++++
 1 file changed, 6 insertions(+)
diff mbox series

Patch

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
index c0d03283775f..2bd77871f3bf 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
@@ -7348,6 +7348,12 @@  static int hclge_del_cls_flower(struct hnae3_handle *handle,
 	ret = hclge_fd_tcam_config(hdev, HCLGE_FD_STAGE_1, true, rule->location,
 				   NULL, false);
 	if (ret) {
+		/* if tcam config fail, set rule state to TO_DEL,
+		 * so the rule will be deleted when periodic
+		 * task being scheduled.
+		 */
+		hclge_update_fd_list(hdev, HCLGE_FD_TO_DEL, rule->location, NULL);
+		set_bit(HCLGE_STATE_FD_TBL_CHANGED, &hdev->state);
 		spin_unlock_bh(&hdev->fd_rule_lock);
 		return ret;
 	}