net: hns3: add a separate error handling task

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Error handling and recovery logic are intertwined. Error handling (i.e.
error identification, clearing error sources and initiation of recovery)
is done in context of reset task. If certain hardware errors get
delivered during driver init time, which can cause driver init/loading
to fail.

Introduce a separate error handling task to ensure below:

1. Reset logic remains independent of the error handling logic.
2. Add the hclge_errhand_task_schedule to schedule error recovery
tasks, This will ensure that common misellaneous MSI-X interrupt are
re-enabled quickly.

Signed-off-by: Jiaran Zhang <zhangjiaran@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: Yufeng Mo <moyufeng@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

...

This commit is contained in:

Jiaran Zhang 2021-06-07 19:18:10 +08:00 • committed by David S. Miller

parent ca4e2b94eb

commit d991452dd7

3 changed files with 41 additions and 2 deletions

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4

drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_err.c

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38

drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c

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1

drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h

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