389 	struct can_frame *cf = (struct can_frame *)priv->tx_skb->data;  in cc770_tx()  local
394 	dlc = cf->len;  in cc770_tx()
395 	id = cf->can_id;  in cc770_tx()
396 	rtr = cf->can_id & CAN_RTR_FLAG ? 0 : MSGCFG_DIR;  in cc770_tx()
419 		cc770_write_reg(priv, msgobj[mo].data[i], cf->data[i]);  in cc770_tx()
453 	struct can_frame *cf;  in cc770_rx()  local
459 	skb = alloc_can_skb(dev, &cf);  in cc770_rx()
471 		cf->can_id = CAN_RTR_FLAG;  in cc770_rx()
473 			cf->can_id |= CAN_EFF_FLAG;  in cc770_rx()
474 		cf->len = 0;  in cc770_rx()
489 		cf->can_id = id;  in cc770_rx()
490 		cf->len = can_cc_dlc2len((config & 0xf0) >> 4);  in cc770_rx()
491 		for (i = 0; i < cf->len; i++)  in cc770_rx()
492 			cf->data[i] = cc770_read_reg(priv, msgobj[mo].data[i]);  in cc770_rx()
494 		stats->rx_bytes += cf->len;  in cc770_rx()
504 	struct can_frame *cf;  in cc770_err()  local
510 	skb = alloc_can_err_skb(dev, &cf);  in cc770_err()
516 		cf->can_id |= CAN_ERR_CNT;  in cc770_err()
517 		cf->data[6] = cc770_read_reg(priv, tx_error_counter);  in cc770_err()
518 		cf->data[7] = cc770_read_reg(priv, rx_error_counter);  in cc770_err()
524 		cf->can_id |= CAN_ERR_BUSOFF;  in cc770_err()
529 		cf->can_id |= CAN_ERR_CRTL;  in cc770_err()
531 		if (cf->data[7] > 127) {  in cc770_err()
532 			cf->data[1] = CAN_ERR_CRTL_RX_PASSIVE |  in cc770_err()
537 			cf->data[1] = CAN_ERR_CRTL_RX_WARNING |  in cc770_err()
544 		cf->can_id |= CAN_ERR_PROT;  in cc770_err()
545 		cf->data[2] = CAN_ERR_PROT_ACTIVE;  in cc770_err()
552 			cf->can_id |= CAN_ERR_ACK;  in cc770_err()
554 			cf->can_id |= CAN_ERR_PROT;  in cc770_err()
557 				cf->data[2] |= CAN_ERR_PROT_STUFF;  in cc770_err()
560 				cf->data[2] |= CAN_ERR_PROT_FORM;  in cc770_err()
563 				cf->data[2] |= CAN_ERR_PROT_BIT1;  in cc770_err()
566 				cf->data[2] |= CAN_ERR_PROT_BIT0;  in cc770_err()
569 				cf->data[3] = CAN_ERR_PROT_LOC_CRC_SEQ;  in cc770_err()