174 	struct can_frame *cf;  in slcan_bump_frame()  local
179 	skb = alloc_can_skb(sl->dev, &cf);  in slcan_bump_frame()
187 		cf->can_id = CAN_RTR_FLAG;  in slcan_bump_frame()
191 		cf->len = sl->rbuff[SLCAN_CMD_LEN + SLCAN_SFF_ID_LEN];  in slcan_bump_frame()
197 		cf->can_id = CAN_RTR_FLAG;  in slcan_bump_frame()
200 		cf->can_id |= CAN_EFF_FLAG;  in slcan_bump_frame()
202 		cf->len = sl->rbuff[SLCAN_CMD_LEN + SLCAN_EFF_ID_LEN];  in slcan_bump_frame()
214 	cf->can_id |= tmpid;  in slcan_bump_frame()
217 	if (cf->len >= '0' && cf->len < '9')  in slcan_bump_frame()
218 		cf->len -= '0';  in slcan_bump_frame()
223 	if (!(cf->can_id & CAN_RTR_FLAG)) {  in slcan_bump_frame()
224 		for (i = 0; i < cf->len; i++) {  in slcan_bump_frame()
229 			cf->data[i] = (tmp << 4);  in slcan_bump_frame()
234 			cf->data[i] |= tmp;  in slcan_bump_frame()
239 	if (!(cf->can_id & CAN_RTR_FLAG))  in slcan_bump_frame()
240 		sl->dev->stats.rx_bytes += cf->len;  in slcan_bump_frame()
262 	struct can_frame *cf;  in slcan_bump_state()  local
297 	skb = alloc_can_err_skb(dev, &cf);  in slcan_bump_state()
301 	can_change_state(dev, cf, tx_state, rx_state);  in slcan_bump_state()
306 		cf->can_id |= CAN_ERR_CNT;  in slcan_bump_state()
307 		cf->data[6] = txerr;  in slcan_bump_state()
308 		cf->data[7] = rxerr;  in slcan_bump_state()
326 	struct can_frame *cf;  in slcan_bump_err()  local
341 	skb = alloc_can_err_skb(dev, &cf);  in slcan_bump_err()
344 		cf->can_id |= CAN_ERR_PROT | CAN_ERR_BUSERROR;  in slcan_bump_err()
353 				cf->can_id |= CAN_ERR_ACK;  in slcan_bump_err()
354 				cf->data[3] = CAN_ERR_PROT_LOC_ACK;  in slcan_bump_err()
362 				cf->data[2] |= CAN_ERR_PROT_BIT0;  in slcan_bump_err()
369 				cf->data[2] |= CAN_ERR_PROT_BIT1;  in slcan_bump_err()
376 				cf->data[2] |= CAN_ERR_PROT_BIT;  in slcan_bump_err()
377 				cf->data[3] = CAN_ERR_PROT_LOC_CRC_SEQ;  in slcan_bump_err()
385 				cf->data[2] |= CAN_ERR_PROT_FORM;  in slcan_bump_err()
393 				cf->can_id |= CAN_ERR_CRTL;  in slcan_bump_err()
394 				cf->data[1] = CAN_ERR_CRTL_RX_OVERFLOW;  in slcan_bump_err()
402 				cf->can_id |= CAN_ERR_CRTL;  in slcan_bump_err()
403 				cf->data[1] = CAN_ERR_CRTL_TX_OVERFLOW;  in slcan_bump_err()
411 				cf->data[2] |= CAN_ERR_PROT_STUFF;  in slcan_bump_err()
482 static void slcan_encaps(struct slcan *sl, struct can_frame *cf)  in slcan_encaps()  argument
487 	canid_t id = cf->can_id;  in slcan_encaps()
491 	if (cf->can_id & CAN_RTR_FLAG)  in slcan_encaps()
497 	if (cf->can_id & CAN_EFF_FLAG) {  in slcan_encaps()
513 	pos += (cf->can_id & CAN_EFF_FLAG) ?  in slcan_encaps()
516 	*pos++ = cf->len + '0';  in slcan_encaps()
519 	if (!(cf->can_id & CAN_RTR_FLAG)) {  in slcan_encaps()
520 		for (i = 0; i < cf->len; i++)  in slcan_encaps()
521 			pos = hex_byte_pack_upper(pos, cf->data[i]);  in slcan_encaps()
523 		sl->dev->stats.tx_bytes += cf->len;  in slcan_encaps()