func: static int usbnet_can_receive(NetClientState *nc)
  
  {
  
      USBNetState *s = qemu_get_nic_opaque(nc);
  
  
  
      if (!s->dev.config) {
  
          return 0;
  
      }
  
  
  
      if (is_rndis(s) && s->rndis_state != RNDIS_DATA_INITIALIZED) {
  
          return 1;
  
      }
  
  
  
      return !s->in_len;
  
  }
  