225 	struct can_frame *cf;  in rcar_can_error()  local
230 	skb = alloc_can_err_skb(ndev, &cf);  in rcar_can_error()
237 			cf->can_id |= CAN_ERR_CRTL;  in rcar_can_error()
245 			cf->can_id |= CAN_ERR_BUSERROR | CAN_ERR_PROT;  in rcar_can_error()
253 				cf->data[3] = CAN_ERR_PROT_LOC_ACK_DEL;  in rcar_can_error()
260 				cf->data[2] |= CAN_ERR_PROT_BIT0;  in rcar_can_error()
267 				cf->data[2] |= CAN_ERR_PROT_BIT1;  in rcar_can_error()
274 				cf->data[3] = CAN_ERR_PROT_LOC_CRC_SEQ;  in rcar_can_error()
281 				cf->can_id |= CAN_ERR_ACK;  in rcar_can_error()
282 				cf->data[3] = CAN_ERR_PROT_LOC_ACK;  in rcar_can_error()
290 				cf->data[2] |= CAN_ERR_PROT_FORM;  in rcar_can_error()
297 				cf->data[2] |= CAN_ERR_PROT_STUFF;  in rcar_can_error()
312 			cf->data[1] = txerr > rxerr ? CAN_ERR_CRTL_TX_WARNING :  in rcar_can_error()
322 			cf->data[1] = txerr > rxerr ? CAN_ERR_CRTL_TX_PASSIVE :  in rcar_can_error()
336 			cf->can_id |= CAN_ERR_BUSOFF;  in rcar_can_error()
338 		cf->can_id |= CAN_ERR_CNT;  in rcar_can_error()
339 		cf->data[6] = txerr;  in rcar_can_error()
340 		cf->data[7] = rxerr;  in rcar_can_error()
348 			cf->can_id |= CAN_ERR_CRTL;  in rcar_can_error()
349 			cf->data[1] = CAN_ERR_CRTL_RX_OVERFLOW;  in rcar_can_error()
359 			cf->can_id |= CAN_ERR_PROT;  in rcar_can_error()
360 			cf->data[2] |= CAN_ERR_PROT_OVERLOAD;  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->len; i++)  in rcar_can_start_xmit()
605 			writeb(cf->data[i],  in rcar_can_start_xmit()
611 	writeb(cf->len, &priv->regs->mb[RCAR_CAN_TX_FIFO_MBX].dlc);  in rcar_can_start_xmit()
641 	struct can_frame *cf;  in rcar_can_rx_pkt()  local
646 	skb = alloc_can_skb(priv->ndev, &cf);  in rcar_can_rx_pkt()
654 		cf->can_id = (data & CAN_EFF_MASK) | CAN_EFF_FLAG;  in rcar_can_rx_pkt()
656 		cf->can_id = (data >> RCAR_CAN_SID_SHIFT) & CAN_SFF_MASK;  in rcar_can_rx_pkt()
659 	cf->len = can_cc_dlc2len(dlc);  in rcar_can_rx_pkt()
661 		cf->can_id |= CAN_RTR_FLAG;  in rcar_can_rx_pkt()
663 		for (dlc = 0; dlc < cf->len; dlc++)  in rcar_can_rx_pkt()
664 			cf->data[dlc] =  in rcar_can_rx_pkt()
667 		stats->rx_bytes += cf->len;  in rcar_can_rx_pkt()