222 	struct can_frame *cf;  in rcar_can_error()  local
227 	skb = alloc_can_err_skb(ndev, &cf);  in rcar_can_error()
234 			cf->can_id |= CAN_ERR_CRTL;  in rcar_can_error()
235 			cf->data[6] = txerr;  in rcar_can_error()
236 			cf->data[7] = rxerr;  in rcar_can_error()
245 			cf->can_id |= CAN_ERR_BUSERROR | CAN_ERR_PROT;  in rcar_can_error()
246 			cf->data[2] = CAN_ERR_PROT_UNSPEC;  in rcar_can_error()
254 				cf->data[3] |= CAN_ERR_PROT_LOC_ACK_DEL;  in rcar_can_error()
261 				cf->data[2] |= CAN_ERR_PROT_BIT0;  in rcar_can_error()
268 				cf->data[2] |= CAN_ERR_PROT_BIT1;  in rcar_can_error()
275 				cf->data[3] |= CAN_ERR_PROT_LOC_CRC_SEQ;  in rcar_can_error()
282 				cf->can_id |= CAN_ERR_ACK;  in rcar_can_error()
283 				cf->data[3] |= CAN_ERR_PROT_LOC_ACK;  in rcar_can_error()
291 				cf->data[2] |= CAN_ERR_PROT_FORM;  in rcar_can_error()
298 				cf->data[2] |= CAN_ERR_PROT_STUFF;  in rcar_can_error()
313 			cf->data[1] = txerr > rxerr ? CAN_ERR_CRTL_TX_WARNING :  in rcar_can_error()
323 			cf->data[1] = txerr > rxerr ? CAN_ERR_CRTL_TX_PASSIVE :  in rcar_can_error()
337 			cf->can_id |= CAN_ERR_BUSOFF;  in rcar_can_error()
345 			cf->can_id |= CAN_ERR_CRTL;  in rcar_can_error()
346 			cf->data[1] = CAN_ERR_CRTL_RX_OVERFLOW;  in rcar_can_error()
356 			cf->can_id |= CAN_ERR_PROT;  in rcar_can_error()
357 			cf->data[2] |= CAN_ERR_PROT_OVERLOAD;  in rcar_can_error()
363 		stats->rx_bytes += cf->can_dlc;  in rcar_can_error()
590 	struct can_frame *cf = (struct can_frame *)skb->data;  in rcar_can_start_xmit()  local
596 	if (cf->can_id & CAN_EFF_FLAG)	/* Extended frame format */  in rcar_can_start_xmit()
597 		data = (cf->can_id & CAN_EFF_MASK) | RCAR_CAN_IDE;  in rcar_can_start_xmit()
599 		data = (cf->can_id & CAN_SFF_MASK) << RCAR_CAN_SID_SHIFT;  in rcar_can_start_xmit()
601 	if (cf->can_id & CAN_RTR_FLAG) { /* Remote transmission request */  in rcar_can_start_xmit()
604 		for (i = 0; i < cf->can_dlc; i++)  in rcar_can_start_xmit()
605 			writeb(cf->data[i],  in rcar_can_start_xmit()
611 	writeb(cf->can_dlc, &priv->regs->mb[RCAR_CAN_TX_FIFO_MBX].dlc);  in rcar_can_start_xmit()
613 	priv->tx_dlc[priv->tx_head % RCAR_CAN_FIFO_DEPTH] = cf->can_dlc;  in rcar_can_start_xmit()
638 	struct can_frame *cf;  in rcar_can_rx_pkt()  local
643 	skb = alloc_can_skb(priv->ndev, &cf);  in rcar_can_rx_pkt()
651 		cf->can_id = (data & CAN_EFF_MASK) | CAN_EFF_FLAG;  in rcar_can_rx_pkt()
653 		cf->can_id = (data >> RCAR_CAN_SID_SHIFT) & CAN_SFF_MASK;  in rcar_can_rx_pkt()
656 	cf->can_dlc = get_can_dlc(dlc);  in rcar_can_rx_pkt()
658 		cf->can_id |= CAN_RTR_FLAG;  in rcar_can_rx_pkt()
660 		for (dlc = 0; dlc < cf->can_dlc; dlc++)  in rcar_can_rx_pkt()
661 			cf->data[dlc] =  in rcar_can_rx_pkt()
667 	stats->rx_bytes += cf->can_dlc;  in rcar_can_rx_pkt()