168 	struct eco_header ehdr, *eh;  in eco_output()  local
274 	eh = mtod(m, struct eco_header *);  in eco_output()
275 	*eh = ehdr;  in eco_output()
277 		memcpy(eh->eco_shost, CLLADDR(ifp->if_sadl),  in eco_output()
310 	struct eco_header *eh;  in eco_interestingp()  local
312 	eh = mtod(m, struct eco_header *);  in eco_interestingp()
313 	switch (eh->eco_port) {  in eco_interestingp()
327 	struct eco_header ehdr, *eh;  in eco_input()  local
345 	eh = &ehdr;  in eco_input()
346 	m_copydata(m, 0, ECO_HDR_LEN, (void *)eh);  in eco_input()
349 	switch (eh->eco_port) {  in eco_input()
352 		switch (eh->eco_control) {  in eco_input()
387 			if (eh->eco_control == ECO_CTL_ARP_REQUEST)  in eco_input()
393 			memcpy(ar_sha(ah), eh->eco_shost, ah->ar_hln);  in eco_input()
394 			memcpy(tha, eh->eco_dhost, ah->ar_hln);  in eco_input()
408 			memcpy(eh->eco_dhost, eh->eco_shost, ECO_ADDR_LEN);  in eco_input()
409 			eh->eco_control = ECO_CTL_IPBCAST_REPLY;  in eco_input()
412 			memcpy(dst->sa_data, eh, ECO_HDR_LEN);  in eco_input()
418 			    ifp->if_xname, eco_sprintf(eh->eco_shost),  in eco_input()
419 			    eh->eco_control, m->m_pkthdr.len);  in eco_input()
436 		    ifp->if_xname, eco_sprintf(eh->eco_shost),  in eco_input()
437 		    eh->eco_port, eh->eco_control);  in eco_input()
468 	struct eco_header *eh;  in eco_start()  local
474 		eh = mtod(m, struct eco_header *);  in eco_start()
475 		if (eh->eco_port == ECO_PORT_IMMEDIATE) {  in eco_start()
478 		} else if (eh->eco_dhost[0] == 255) {  in eco_start()
574 	struct eco_header *eh, *eh0;  in eco_inputframe()  local
579 	eh = mtod(m, struct eco_header *);  in eco_inputframe()
587 		if (memcmp(eh->eco_dhost, eco_broadcastaddr,  in eco_inputframe()
591 		} else if (memcmp(eh->eco_dhost, CLLADDR(ifp->if_sadl),  in eco_inputframe()
594 			if (eh->eco_port == ECO_PORT_IMMEDIATE)  in eco_inputframe()
620 		    memcmp(eh->eco_shost, eh0->eco_shost, ECO_ADDR_LEN) != 0 ||  in eco_inputframe()
621 		    memcmp(eh->eco_dhost, eh0->eco_dhost, ECO_ADDR_LEN) != 0) {  in eco_inputframe()
645 		    memcmp(eh->eco_shost, eh0->eco_dhost, ECO_ADDR_LEN) != 0 ||  in eco_inputframe()
646 		    memcmp(eh->eco_dhost, eh0->eco_shost, ECO_ADDR_LEN) != 0) {  in eco_inputframe()
676 		    memcmp(eh->eco_shost, eh0->eco_dhost, ECO_ADDR_LEN) != 0 ||  in eco_inputframe()
677 		    memcmp(eh->eco_dhost, eh0->eco_shost, ECO_ADDR_LEN) != 0) {  in eco_inputframe()
703 	struct eco_header *eh, *reh;  in eco_immediate()  local
707 	eh = mtod(m, struct eco_header *);  in eco_immediate()
708 	switch (eh->eco_control) {  in eco_immediate()
715 		memcpy(reh->eco_dhost, eh->eco_shost,  in eco_immediate()
737 	struct eco_header *eh, *reh;  in eco_ack()  local
740 	eh = mtod(m, struct eco_header *);  in eco_ack()
746 	memcpy(reh->eco_dhost, eh->eco_shost, ECO_ADDR_LEN);  in eco_ack()