PF FLR resets the PCIe ECAM space of all VFs under the PF
and does not automatically recover. Therefore, the VF driver
needs to restore the ECAM configuration, including
bus_master_en, msix_enable to avoid FLR reset failure.
Fixes: 2790c6464725 ("net/hns3: support device reset")
Signed-off-by: Chunsong Feng <fengchunsong@huawei.com>
Signed-off-by: Wei Hu (Xavier) <xavier.huwei@huawei.com>
cea37e5133