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net: hns3: do not schedule the periodic task when reset fail

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service_task will be scheduled  per second to do some periodic
jobs. When reset fails, it means this device is not available
now, so the periodic jobs do not need to be handled.

This patch adds flag HCLGE_STATE_RST_FAIL/HCLGEVF_STATE_RST_FAIL
to indicate that reset fails, and checks this flag before
schedule periodic task.

Signed-off-by: Guojia Liao <liaoguojia@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Guojia Liao 2019-12-14 10:06:41 +08:00 committed by David S. Miller
parent 0ea6890225
commit d5432455b1
4 changed files with 13 additions and 2 deletions
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7
drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
View file

@ -2683,7 +2683,8 @@ static void hclge_reset_task_schedule(struct hclge_dev *hdev)
void hclge_task_schedule(struct hclge_dev *hdev, unsigned long delay_time)
{
if (!test_bit(HCLGE_STATE_REMOVING, &hdev->state))
if (!test_bit(HCLGE_STATE_REMOVING, &hdev->state) &&
!test_bit(HCLGE_STATE_RST_FAIL, &hdev->state))
mod_delayed_work_on(cpumask_first(&hdev->affinity_mask),
hclge_wq, &hdev->service_task,
delay_time);
@ -3690,6 +3691,8 @@ static bool hclge_reset_err_handle(struct hclge_dev *hdev)
hclge_dbg_dump_rst_info(hdev);
set_bit(HCLGE_STATE_RST_FAIL, &hdev->state);
return false;
}
@ -3843,6 +3846,7 @@ static void hclge_reset(struct hclge_dev *hdev)
hdev->rst_stats.reset_fail_cnt = 0;
hdev->rst_stats.reset_done_cnt++;
ae_dev->reset_type = HNAE3_NONE_RESET;
clear_bit(HCLGE_STATE_RST_FAIL, &hdev->state);
/* if default_reset_request has a higher level reset request,
* it should be handled as soon as possible. since some errors
@ -9303,6 +9307,7 @@ static void hclge_state_init(struct hclge_dev *hdev)
set_bit(HCLGE_STATE_DOWN, &hdev->state);
clear_bit(HCLGE_STATE_RST_SERVICE_SCHED, &hdev->state);
clear_bit(HCLGE_STATE_RST_HANDLING, &hdev->state);
clear_bit(HCLGE_STATE_RST_FAIL, &hdev->state);
clear_bit(HCLGE_STATE_MBX_SERVICE_SCHED, &hdev->state);
clear_bit(HCLGE_STATE_MBX_HANDLING, &hdev->state);
}

1
drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h
View file

@ -215,6 +215,7 @@ enum HCLGE_DEV_STATE {
HCLGE_STATE_STATISTICS_UPDATING,
HCLGE_STATE_CMD_DISABLE,
HCLGE_STATE_LINK_UPDATING,
HCLGE_STATE_RST_FAIL,
HCLGE_STATE_MAX
};

6
drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c
View file

@ -1598,6 +1598,7 @@ static void hclgevf_reset_err_handle(struct hclgevf_dev *hdev)
set_bit(HCLGEVF_RESET_PENDING, &hdev->reset_state);
hclgevf_reset_task_schedule(hdev);
} else {
set_bit(HCLGEVF_STATE_RST_FAIL, &hdev->state);
hclgevf_dump_rst_info(hdev);
}
}
@ -1659,6 +1660,7 @@ static int hclgevf_reset(struct hclgevf_dev *hdev)
ae_dev->reset_type = HNAE3_NONE_RESET;
hdev->rst_stats.rst_done_cnt++;
hdev->rst_stats.rst_fail_cnt = 0;
clear_bit(HCLGEVF_STATE_RST_FAIL, &hdev->state);
return ret;
err_reset_lock:
@ -1791,7 +1793,8 @@ void hclgevf_mbx_task_schedule(struct hclgevf_dev *hdev)
static void hclgevf_task_schedule(struct hclgevf_dev *hdev,
unsigned long delay)
{
if (!test_bit(HCLGEVF_STATE_REMOVING, &hdev->state))
if (!test_bit(HCLGEVF_STATE_REMOVING, &hdev->state) &&
!test_bit(HCLGEVF_STATE_RST_FAIL, &hdev->state))
mod_delayed_work(hclgevf_wq, &hdev->service_task, delay);
}
@ -2283,6 +2286,7 @@ static void hclgevf_state_init(struct hclgevf_dev *hdev)
{
clear_bit(HCLGEVF_STATE_MBX_SERVICE_SCHED, &hdev->state);
clear_bit(HCLGEVF_STATE_MBX_HANDLING, &hdev->state);
clear_bit(HCLGEVF_STATE_RST_FAIL, &hdev->state);
INIT_DELAYED_WORK(&hdev->service_task, hclgevf_service_task);

1
drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.h
View file

@ -148,6 +148,7 @@ enum hclgevf_states {
HCLGEVF_STATE_MBX_HANDLING,
HCLGEVF_STATE_CMD_DISABLE,
HCLGEVF_STATE_LINK_UPDATING,
HCLGEVF_STATE_RST_FAIL,
};
struct hclgevf_mac {