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net: hns3: add recovery for the H/W errors occurred before the HNS dev initialization

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This patch adds the recovery for the HNS H/W errors which occurred
before the driver initialization.

Reported-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: Shiju Jose <shiju.jose@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Shiju Jose 2019-06-13 17:12:24 +08:00 committed by David S. Miller
parent e4193e24a5
commit e3b84ed270
1 changed files with 14 additions and 2 deletions
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16
drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
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@ -3236,6 +3236,7 @@ static bool hclge_reset_err_handle(struct hclge_dev *hdev, bool is_timeout)
dev_info(&hdev->pdev->dev, "Upgrade reset level\n");
hclge_clear_reset_cause(hdev);
set_bit(HNAE3_GLOBAL_RESET, &hdev->default_reset_request);
mod_timer(&hdev->reset_timer,
jiffies + HCLGE_RESET_INTERVAL);
@ -3430,8 +3431,7 @@ static void hclge_reset_timer(struct timer_list *t)
struct hclge_dev *hdev = from_timer(hdev, t, reset_timer);
dev_info(&hdev->pdev->dev,
"triggering global reset in reset timer\n");
set_bit(HNAE3_GLOBAL_RESET, &hdev->default_reset_request);
"triggering reset in reset timer\n");
hclge_reset_event(hdev->pdev, NULL);
}
@ -8614,6 +8614,18 @@ static int hclge_init_ae_dev(struct hnae3_ae_dev *ae_dev)
/* Log and clear the hw errors those already occurred */
hclge_handle_all_hns_hw_errors(ae_dev);
/* request delayed reset for the error recovery because an immediate
* global reset on a PF affecting pending initialization of other PFs
*/
if (ae_dev->hw_err_reset_req) {
enum hnae3_reset_type reset_level;
reset_level = hclge_get_reset_level(ae_dev,
&ae_dev->hw_err_reset_req);
hclge_set_def_reset_request(ae_dev, reset_level);
mod_timer(&hdev->reset_timer, jiffies + HCLGE_RESET_INTERVAL);
}
/* Enable MISC vector(vector0) */
hclge_enable_vector(&hdev->misc_vector, true);