## HwBinder IPC from client to server, and callbacks binder_call(hal_wifi_offload_client, hal_wifi_offload_server) binder_call(hal_wifi_offload_server, hal_wifi_offload_client) add_hwservice(hal_wifi_offload_server, hal_wifi_offload_hwservice) allow hal_wifi_offload_client hal_wifi_offload_hwservice:hwservice_manager find; r_dir_file(hal_wifi_offload, proc_net) r_dir_file(hal_wifi_offload, sysfs_type)