442 static inline pgn_t j1939_xtp_ctl_to_pgn(const u8 *dat)  in j1939_xtp_ctl_to_pgn()  argument
446 	pgn = (dat[7] << 16) | (dat[6] << 8) | (dat[5] << 0);  in j1939_xtp_ctl_to_pgn()
452 static inline unsigned int j1939_tp_ctl_to_size(const u8 *dat)  in j1939_tp_ctl_to_size()  argument
454 	return (dat[2] << 8) + (dat[1] << 0);  in j1939_tp_ctl_to_size()
457 static inline unsigned int j1939_etp_ctl_to_packet(const u8 *dat)  in j1939_etp_ctl_to_packet()  argument
459 	return (dat[4] << 16) | (dat[3] << 8) | (dat[2] << 0);  in j1939_etp_ctl_to_packet()
462 static inline unsigned int j1939_etp_ctl_to_size(const u8 *dat)  in j1939_etp_ctl_to_size()  argument
464 	return (dat[4] << 24) | (dat[3] << 16) |  in j1939_etp_ctl_to_size()
465 		(dat[2] << 8) | (dat[1] << 0);  in j1939_etp_ctl_to_size()
633 			   const u8 *dat, int len)  in j1939_tp_tx_dat()  argument
643 	skb_put_data(skb, dat, len);  in j1939_tp_tx_dat()
652 			       bool swap_src_dst, pgn_t pgn, const u8 *dat)  in j1939_xtp_do_tx_ctl()  argument
665 	memcpy(skdat, dat, 5);  in j1939_xtp_do_tx_ctl()
674 				  bool swap_src_dst, const u8 *dat)  in j1939_tp_tx_ctl()  argument
680 				   session->skcb.addr.pgn, dat);  in j1939_tp_tx_ctl()
689 	u8 dat[5];  in j1939_xtp_tx_abort()  local
694 	memset(dat, 0xff, sizeof(dat));  in j1939_xtp_tx_abort()
695 	dat[0] = J1939_TP_CMD_ABORT;  in j1939_xtp_tx_abort()
696 	dat[1] = err;  in j1939_xtp_tx_abort()
697 	return j1939_xtp_do_tx_ctl(priv, re_skcb, swap_src_dst, pgn, dat);  in j1939_xtp_tx_abort()
718 	u8 dat[8];  in j1939_session_tx_rts()  local
721 	memset(dat, 0xff, sizeof(dat));  in j1939_session_tx_rts()
723 	dat[1] = (session->total_message_size >> 0);  in j1939_session_tx_rts()
724 	dat[2] = (session->total_message_size >> 8);  in j1939_session_tx_rts()
725 	dat[3] = session->pkt.total;  in j1939_session_tx_rts()
728 		dat[0] = J1939_ETP_CMD_RTS;  in j1939_session_tx_rts()
729 		dat[1] = (session->total_message_size >> 0);  in j1939_session_tx_rts()
730 		dat[2] = (session->total_message_size >> 8);  in j1939_session_tx_rts()
731 		dat[3] = (session->total_message_size >> 16);  in j1939_session_tx_rts()
732 		dat[4] = (session->total_message_size >> 24);  in j1939_session_tx_rts()
734 		dat[0] = J1939_TP_CMD_BAM;  in j1939_session_tx_rts()
738 		dat[0] = J1939_TP_CMD_RTS;  in j1939_session_tx_rts()
739 		dat[4] = dat[3];  in j1939_session_tx_rts()
742 	if (dat[0] == session->last_txcmd)  in j1939_session_tx_rts()
746 	ret = j1939_tp_tx_ctl(session, false, dat);  in j1939_session_tx_rts()
750 	session->last_txcmd = dat[0];  in j1939_session_tx_rts()
751 	if (dat[0] == J1939_TP_CMD_BAM) {  in j1939_session_tx_rts()
766 	u8 dat[8];  in j1939_session_tx_dpo()  local
769 	memset(dat, 0xff, sizeof(dat));  in j1939_session_tx_dpo()
771 	dat[0] = J1939_ETP_CMD_DPO;  in j1939_session_tx_dpo()
774 	dat[1] = session->pkt.last - session->pkt.tx_acked;  in j1939_session_tx_dpo()
775 	dat[2] = (pkt >> 0);  in j1939_session_tx_dpo()
776 	dat[3] = (pkt >> 8);  in j1939_session_tx_dpo()
777 	dat[4] = (pkt >> 16);  in j1939_session_tx_dpo()
779 	ret = j1939_tp_tx_ctl(session, false, dat);  in j1939_session_tx_dpo()
783 	session->last_txcmd = dat[0];  in j1939_session_tx_dpo()
801 	u8 dat[8];  in j1939_session_tx_dat()  local
818 		dat[0] = session->pkt.tx - session->pkt.dpo + 1;  in j1939_session_tx_dat()
838 		memcpy(&dat[1], &tpdat[offset], len);  in j1939_session_tx_dat()
839 		ret = j1939_tp_tx_dat(session, dat, len + 1);  in j1939_session_tx_dat()
917 	u8 dat[8];  in j1939_session_tx_cts()  local
924 	memset(dat, 0xff, sizeof(dat));  in j1939_session_tx_cts()
928 		dat[0] = J1939_ETP_CMD_CTS;  in j1939_session_tx_cts()
929 		dat[1] = len;  in j1939_session_tx_cts()
930 		dat[2] = (pkt >> 0);  in j1939_session_tx_cts()
931 		dat[3] = (pkt >> 8);  in j1939_session_tx_cts()
932 		dat[4] = (pkt >> 16);  in j1939_session_tx_cts()
934 		dat[0] = J1939_TP_CMD_CTS;  in j1939_session_tx_cts()
935 		dat[1] = len;  in j1939_session_tx_cts()
936 		dat[2] = session->pkt.rx + 1;  in j1939_session_tx_cts()
939 	if (dat[0] == session->last_txcmd)  in j1939_session_tx_cts()
943 	ret = j1939_tp_tx_ctl(session, true, dat);  in j1939_session_tx_cts()
949 		session->last_txcmd = dat[0];  in j1939_session_tx_cts()
960 	u8 dat[8];  in j1939_session_tx_eoma()  local
966 	memset(dat, 0xff, sizeof(dat));  in j1939_session_tx_eoma()
969 		dat[0] = J1939_ETP_CMD_EOMA;  in j1939_session_tx_eoma()
970 		dat[1] = session->total_message_size >> 0;  in j1939_session_tx_eoma()
971 		dat[2] = session->total_message_size >> 8;  in j1939_session_tx_eoma()
972 		dat[3] = session->total_message_size >> 16;  in j1939_session_tx_eoma()
973 		dat[4] = session->total_message_size >> 24;  in j1939_session_tx_eoma()
975 		dat[0] = J1939_TP_CMD_EOMA;  in j1939_session_tx_eoma()
976 		dat[1] = session->total_message_size;  in j1939_session_tx_eoma()
977 		dat[2] = session->total_message_size >> 8;  in j1939_session_tx_eoma()
978 		dat[3] = session->pkt.total;  in j1939_session_tx_eoma()
981 	if (dat[0] == session->last_txcmd)  in j1939_session_tx_eoma()
985 	ret = j1939_tp_tx_ctl(session, true, dat);  in j1939_session_tx_eoma()
989 	session->last_txcmd = dat[0];  in j1939_session_tx_eoma()
1371 	const u8 *dat;  in j1939_xtp_rx_eoma_one()  local
1377 	dat = skb->data;  in j1939_xtp_rx_eoma_one()
1380 		len = j1939_etp_ctl_to_size(dat);  in j1939_xtp_rx_eoma_one()
1382 		len = j1939_tp_ctl_to_size(dat);  in j1939_xtp_rx_eoma_one()
1420 	const u8 *dat;  in j1939_xtp_rx_cts_one()  local
1422 	dat = skb->data;  in j1939_xtp_rx_cts_one()
1429 	if (session->last_cmd == dat[0]) {  in j1939_xtp_rx_cts_one()
1435 		pkt = j1939_etp_ctl_to_packet(dat);  in j1939_xtp_rx_cts_one()
1437 		pkt = dat[2];  in j1939_xtp_rx_cts_one()
1441 	else if (dat[1] > session->pkt.block /* 0xff for etp */)  in j1939_xtp_rx_cts_one()
1447 	session->pkt.last = session->pkt.tx_acked + dat[1];  in j1939_xtp_rx_cts_one()
1454 	session->last_cmd = dat[0];  in j1939_xtp_rx_cts_one()
1455 	if (dat[1]) {  in j1939_xtp_rx_cts_one()
1596 	const u8 *dat;  in j1939_xtp_rx_rts_session_new()  local
1602 	dat = skb->data;  in j1939_xtp_rx_rts_session_new()
1603 	pgn = j1939_xtp_ctl_to_pgn(dat);  in j1939_xtp_rx_rts_session_new()
1610 		len = j1939_etp_ctl_to_size(dat);  in j1939_xtp_rx_rts_session_new()
1618 		len = j1939_tp_ctl_to_size(dat);  in j1939_xtp_rx_rts_session_new()
1643 		if (dat[3] != session->pkt.total)  in j1939_xtp_rx_rts_session_new()
1646 				     dat[3]);  in j1939_xtp_rx_rts_session_new()
1647 		session->pkt.total = dat[3];  in j1939_xtp_rx_rts_session_new()
1648 		session->pkt.block = min(dat[3], dat[4]);  in j1939_xtp_rx_rts_session_new()
1785 	const u8 *dat = skb->data;  in j1939_xtp_rx_dpo_one()  local
1794 	session->last_cmd = dat[0];  in j1939_xtp_rx_dpo_one()
1826 	const u8 *dat;  in j1939_xtp_rx_dat_one()  local
1836 	dat = skb->data;  in j1939_xtp_rx_dat_one()
1862 	packet = (dat[0] - 1 + session->pkt.dpo);  in j1939_xtp_rx_dat_one()
1890 		memcpy(&tpdat[offset], &dat[1], nbytes);  in j1939_xtp_rx_dat_one()
1894 		err = memcmp(&tpdat[offset], &dat[1], nbytes);  in j1939_xtp_rx_dat_one()
1899 					nbytes, &dat[1],  in j1939_xtp_rx_dat_one()