[hns3-0115]net: hns3: refactor the notification scheme of PF reset

[Fred Kimmy]

[Bug Description]
assert FLR requently will make the hns3 driver get into a error state

[Steps to Reproduce]
1.trigger FLR requently

[Actual Results]
reset fail

[Expected Results]
reset ok

[Reproducibility]
Inevitably

[Additional information]
Hardware: D06
Firmware: NA
Kernel: NA

[Resolution]
separates the process of FLR from reset task

net: hns3: refactor the notification scheme of PF reset
net: hns3: refactor the procedure of VF FLR
net: hns3: modify hclge_func_reset_sync_vf()'s return type to void
net: hns3: enlarge HCLGE_RESET_WAIT_CNT
net: hns3: refactor the precedure of PF FLR
net: hns3: split hclgevf_reset() into preparing and rebuilding part
net: hns3: split hclge_reset() into preparing and rebuilding part

[Ike Panhc (ikepanhc)]

These patches are not hit mainline kernel yet.

[Ike Panhc (ikepanhc)]

Patch can be found in linux-next. Expect to hit mainline on 5.6 merge window

c7554dcd6dbf <email address hidden> 2020-01-11 14:52:23 -0800 net: hns3: refactor the notification scheme of PF reset
c3106cac2a80 <email address hidden> 2020-01-11 14:52:23 -0800 net: hns3: modify hclge_func_reset_sync_vf()'s return type to void
5bb784e973cf <email address hidden> 2020-01-11 14:52:23 -0800 net: hns3: enlarge HCLGE_RESET_WAIT_CNT
f28368bb4542 <email address hidden> 2020-01-11 14:52:22 -0800 net: hns3: refactor the procedure of VF FLR
8627bdedc435 <email address hidden> 2020-01-11 14:52:22 -0800 net: hns3: refactor the precedure of PF FLR
1cc9bc6e5867 <email address hidden> 2020-01-11 14:52:22 -0800 net: hns3: split hclgevf_reset() into preparing and rebuilding part
d4fa06562ae2 <email address hidden> 2020-01-11 14:52:22 -0800 net: hns3: split hclge_reset() into preparing and rebuilding part

[Andrew Cloke (andrew-cloke)]

Also covered in bug# 1859261.

[Ike Panhc (ikepanhc)]

All patches in focal kernel already.

[Ike Panhc (ikepanhc)]

Can not clean cherry-pick for bionic kernel.