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net: hns3: fix fail to delete tc flower rules during reset issue

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[ Upstream commit 1a7be66e46 ]

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: 0205ec041e ("net: hns3: add support for hw tc offload of tc flower")
Signed-off-by: Jijie Shao <shaojijie@huawei.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Jijie Shao
2023-09-18 15:48:39 +08:00
committed by Greg Kroah-Hartman
parent 7c47b238f4
commit d6d182d856
1 changed files with 6 additions and 0 deletions
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6
drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
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@@ -7546,6 +7546,12 @@ 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;
}