In this file I will analysize the HNS network dirvers
The hnae driver start by using class_create to create a new class name “hnae”.
After that, this driver provide some function for other module (hns_dsaf and
hns_enet_drv) to use. This funtions are as below:
hnae_register_notifier
hnae_unregister_notifier
hnae_get_handle
hnae_put_handle
hnae_reinit_handle
hnae_ae_register
hnae_ae_unregister