589 static int vnet_rx(struct vnet_port *port, void *msgbuf, int *npkts,  in vnet_rx()  argument
592 	struct vio_dring_data *pkt = msgbuf;  in vnet_rx()
631 static int vnet_ack(struct vnet_port *port, void *msgbuf)  in vnet_ack()  argument
634 	struct vio_dring_data *pkt = msgbuf;  in vnet_ack()
680 static int vnet_nack(struct vnet_port *port, void *msgbuf)  in vnet_nack()  argument
686 static int handle_mcast(struct vnet_port *port, void *msgbuf)  in handle_mcast()  argument
688 	struct vio_net_mcast_info *pkt = msgbuf;  in handle_mcast()
763 		} msgbuf;  in vnet_event_napi()  local
767 				(struct vio_dring_data *)&msgbuf;  in vnet_event_napi()
779 		err = ldc_read(vio->lp, &msgbuf, sizeof(msgbuf));  in vnet_event_napi()
788 		       msgbuf.tag.type,  in vnet_event_napi()
789 		       msgbuf.tag.stype,  in vnet_event_napi()
790 		       msgbuf.tag.stype_env,  in vnet_event_napi()
791 		       msgbuf.tag.sid);  in vnet_event_napi()
792 		err = vio_validate_sid(vio, &msgbuf.tag);  in vnet_event_napi()
796 		if (likely(msgbuf.tag.type == VIO_TYPE_DATA)) {  in vnet_event_napi()
797 			if (msgbuf.tag.stype == VIO_SUBTYPE_INFO) {  in vnet_event_napi()
806 				err = vnet_rx(port, &msgbuf, &npkts, budget);  in vnet_event_napi()
811 			} else if (msgbuf.tag.stype == VIO_SUBTYPE_ACK) {  in vnet_event_napi()
812 				err = vnet_ack(port, &msgbuf);  in vnet_event_napi()
815 			} else if (msgbuf.tag.stype == VIO_SUBTYPE_NACK) {  in vnet_event_napi()
816 				err = vnet_nack(port, &msgbuf);  in vnet_event_napi()
818 		} else if (msgbuf.tag.type == VIO_TYPE_CTRL) {  in vnet_event_napi()
819 			if (msgbuf.tag.stype_env == VNET_MCAST_INFO)  in vnet_event_napi()
820 				err = handle_mcast(port, &msgbuf);  in vnet_event_napi()
822 				err = vio_control_pkt_engine(vio, &msgbuf);  in vnet_event_napi()
826 			err = vnet_handle_unknown(port, &msgbuf);  in vnet_event_napi()