247 	struct ifnet_en *ifn = (struct ifnet_en *)ifp;  local
249 	struct route *ro = &(ifn->ifen_route);
254 	ifn->ifen_ifnet.if_opackets++;
291 	ip->ip_src = ifn->ifen_src;
292 	ip->ip_dst = ifn->ifen_dst;
305 		ifn->ifen_ifnet.if_oerrors++;
306 		ifn->ifen_ifnet.if_ierrors = error;
328 	struct ifnet_en *ifn;  local
369 	for (ifn = ipxip_list; ifn; ifn = ifn->ifen_next) {
370 		if ((ifn->ifen_ifnet.if_flags & IFF_UP) == 0)
373 	if (ifn == NULL)
374 		ifn = ipxipattach();
375 	if (ifn == NULL) {
379 	ifn->ifen_route = ro;
380 	ifn->ifen_dst =  ip_dst->sin_addr;
381 	ifn->ifen_src = src->sin_addr;
388 		(caddr_t)&ifr_ipxip, (struct ifnet *)ifn);
394 			(caddr_t)&ifr_ipxip, (struct ifnet *)ifn));
401 	struct ifnet_en *ifn = (struct ifnet_en *)ifp;  local
402 	struct route *ro = & ifn->ifen_route;
445 	struct ifnet_en *ifn;  local
447 	for (ifn = ipxip_list; ifn; ifn = ifn->ifen_next) {
448 		if (ifn->ifen_dst.s_addr == dst->s_addr &&
449 		    ifn->ifen_route.ro_rt) {
450 			RTFREE(ifn->ifen_route.ro_rt);
451 			ifn->ifen_route.ro_rt = NULL;