311 	struct can_frame *cf;  in ems_usb_rx_can_msg()  local
316 	skb = alloc_can_skb(dev->netdev, &cf);  in ems_usb_rx_can_msg()
320 	cf->can_id = le32_to_cpu(msg->msg.can_msg.id);  in ems_usb_rx_can_msg()
321 	cf->can_dlc = get_can_dlc(msg->msg.can_msg.length & 0xF);  in ems_usb_rx_can_msg()
325 		cf->can_id |= CAN_EFF_FLAG;  in ems_usb_rx_can_msg()
329 		cf->can_id |= CAN_RTR_FLAG;  in ems_usb_rx_can_msg()
331 		for (i = 0; i < cf->can_dlc; i++)  in ems_usb_rx_can_msg()
332 			cf->data[i] = msg->msg.can_msg.msg[i];  in ems_usb_rx_can_msg()
336 	stats->rx_bytes += cf->can_dlc;  in ems_usb_rx_can_msg()
342 	struct can_frame *cf;  in ems_usb_rx_err()  local
346 	skb = alloc_can_err_skb(dev->netdev, &cf);  in ems_usb_rx_err()
355 			cf->can_id |= CAN_ERR_BUSOFF;  in ems_usb_rx_err()
375 		cf->can_id |= CAN_ERR_PROT | CAN_ERR_BUSERROR;  in ems_usb_rx_err()
379 			cf->data[2] |= CAN_ERR_PROT_BIT;  in ems_usb_rx_err()
382 			cf->data[2] |= CAN_ERR_PROT_FORM;  in ems_usb_rx_err()
385 			cf->data[2] |= CAN_ERR_PROT_STUFF;  in ems_usb_rx_err()
388 			cf->data[3] = ecc & SJA1000_ECC_SEG;  in ems_usb_rx_err()
394 			cf->data[2] |= CAN_ERR_PROT_TX;  in ems_usb_rx_err()
398 			cf->data[1] = (txerr > rxerr) ?  in ems_usb_rx_err()
402 		cf->can_id |= CAN_ERR_CRTL;  in ems_usb_rx_err()
403 		cf->data[1] = CAN_ERR_CRTL_RX_OVERFLOW;  in ems_usb_rx_err()
410 	stats->rx_bytes += cf->can_dlc;  in ems_usb_rx_err()
744 	struct can_frame *cf = (struct can_frame *)skb->data;  in ems_usb_start_xmit()  local
771 	msg->msg.can_msg.id = cpu_to_le32(cf->can_id & CAN_ERR_MASK);  in ems_usb_start_xmit()
772 	msg->msg.can_msg.length = cf->can_dlc;  in ems_usb_start_xmit()
774 	if (cf->can_id & CAN_RTR_FLAG) {  in ems_usb_start_xmit()
775 		msg->type = cf->can_id & CAN_EFF_FLAG ?  in ems_usb_start_xmit()
780 		msg->type = cf->can_id & CAN_EFF_FLAG ?  in ems_usb_start_xmit()
783 		for (i = 0; i < cf->can_dlc; i++)  in ems_usb_start_xmit()
784 			msg->msg.can_msg.msg[i] = cf->data[i];  in ems_usb_start_xmit()
786 		msg->length = CPC_CAN_MSG_MIN_SIZE + cf->can_dlc;  in ems_usb_start_xmit()
811 	context->dlc = cf->can_dlc;  in ems_usb_start_xmit()