165 	u32 cfecho; /* consecutive frame echo tag */  member
801 	if (so->cfecho)  in isotp_send_cframe()
802 		pr_notice_once("can-isotp: cfecho is %08X != 0\n", so->cfecho);  in isotp_send_cframe()
805 	so->cfecho = *(u32 *)cf->data;  in isotp_send_cframe()
860 	if (skb->sk != sk || so->cfecho != *(u32 *)cf->data)  in isotp_rcv_echo()
867 	so->cfecho = 0;  in isotp_rcv_echo()
931 	if (so->tx.state == ISOTP_SENDING && !so->cfecho)  in isotp_txfr_timer_handler()
1020 	if (so->cfecho)  in isotp_sendmsg()
1021 		pr_notice_once("can-isotp: uninit cfecho %08X\n", so->cfecho);  in isotp_sendmsg()
1049 		so->cfecho = *(u32 *)cf->data;  in isotp_sendmsg()
1066 			so->cfecho = *(u32 *)cf->data;  in isotp_sendmsg()
1075 			so->cfecho = 0;  in isotp_sendmsg()
1097 		so->cfecho = 0;  in isotp_sendmsg()
1330 	so->cfecho = 0;  in isotp_bind()