usr.sbin/rtsold/rtsold.c

307 			struct ifinfo *ifi;
314 			TAILQ_FOREACH(ifi, &ifinfo_head, ifi_next) {
315 				if (ifi->state != IFS_DOWN && ifi->racnt == 0)
318 			if (ifi == NULL)
344 	struct ifinfo *ifi;
386 	if ((ifi = malloc(sizeof(*ifi))) == NULL) {
391 	memset(ifi, 0, sizeof(*ifi));
392 	ifi->sdl = sdl;
393 	ifi->ifi_rdnss = IFI_DNSOPT_STATE_NOINFO;
394 	ifi->ifi_dnssl = IFI_DNSOPT_STATE_NOINFO;
395 	TAILQ_INIT(&ifi->ifi_rainfo);
396 	strlcpy(ifi->ifname, ifname, sizeof(ifi->ifname));
399 	if (make_packet(ifi))
404 	if (inet_zoneid(AF_INET6, 2, ifname, &ifi->linkid))
408 	ifi->linkid = ifi->sdl->sdl_index;
415 	ifi->mediareqok = 1;
416 	ifi->active = interface_status(ifi);
417 	if (!ifi->mediareqok) {
422 		ifi->probeinterval = PROBE_INTERVAL;
426 	flags = interface_up(ifi->ifname);
428 		ifi->state = IFS_DELAY;
430 		ifi->state = IFS_TENTATIVE;
432 		ifi->state = IFS_DOWN;
434 	rtsol_timer_update(ifi);
436 	TAILQ_INSERT_TAIL(&ifinfo_head, ifi, ifi_next);
440 	free(ifi->sdl);
441 	free(ifi);
448 	struct ifinfo *ifi;
450 	while ((ifi = TAILQ_FIRST(&ifinfo_head)) != NULL) {
451 		TAILQ_REMOVE(&ifinfo_head, ifi, ifi_next);
452 		if (ifi->sdl != NULL)
453 			free(ifi->sdl);
454 		if (ifi->rs_data != NULL)
455 			free(ifi->rs_data);
456 		free(ifi);
464 	struct ifinfo *ifi, *prev;
468 	TAILQ_FOREACH(ifi, &ifinfo_head, ifi_next) {
469 		if (strncmp(ifi->ifname, ifname, sizeof(ifi->ifname)) == 0)
471 		prev = ifi;
473 	prev->next = ifi->next;
477 	/* reclaim it after ifconfig() in case ifname is pointer inside ifi */
478 	if (ifi->rs_data)
479 		free(ifi->rs_data);
480 	free(ifi->sdl);
481 	free(ifi);
488 find_rainfo(struct ifinfo *ifi, struct sockaddr_in6 *sin6)
492 	TAILQ_FOREACH(rai, &ifi->ifi_rainfo, rai_next)
503 	struct ifinfo *ifi;
505 	TAILQ_FOREACH(ifi, &ifinfo_head, ifi_next) {
506 		if (ifi->sdl->sdl_index == ifindex)
507 			return (ifi);
513 make_packet(struct ifinfo *ifi)
519 	if ((lladdroptlen = lladdropt_length(ifi->sdl)) == 0) {
522 		    " on %s. Treat as not included.", ifi->ifname);
525 	ifi->rs_datalen = packlen;
530 		    "memory allocation failed for %s", ifi->ifname);
533 	ifi->rs_data = buf;
545 		lladdropt_fill(ifi->sdl, (struct nd_opt_hdr *)buf);
555 	struct ifinfo *ifi;
564 	TAILQ_FOREACH(ifi, &ifinfo_head, ifi_next) {
565 		if (TS_CMP(&ifi->expire, &now, <=)) {
567 			    "state = %d", ifi->ifname, ifi->state);
569 			while((rai = TAILQ_FIRST(&ifi->ifi_rainfo)) != NULL) {
571 				TAILQ_REMOVE(&ifi->ifi_rainfo, rai, rai_next);
582 			switch (ifi->state) {
586 				flags = interface_up(ifi->ifname);
588 					ifi->state = IFS_DELAY;
590 					ifi->state = IFS_TENTATIVE;
592 					ifi->state = IFS_DOWN;
596 				int oldstatus = ifi->active;
599 				ifi->active = interface_status(ifi);
601 				if (oldstatus != ifi->active) {
605 					    ifi->ifname,
606 					    oldstatus, ifi->active);
608 					ifi->state = IFS_DELAY;
609 				} else if (ifi->probeinterval &&
610 				    (ifi->probetimer -=
611 				    ifi->timer.tv_sec) <= 0) {
613 					ifi->probetimer =
614 					    ifi->probeinterval;
616 					ifi->state = IFS_PROBE;
624 					ifi->otherconfig = 0;
627 					defrouter_probe(ifi);
631 				ifi->state = IFS_PROBE;
632 				sendpacket(ifi);
635 				if (ifi->probes < MAX_RTR_SOLICITATIONS)
636 					sendpacket(ifi);
640 					    ifi->probes);
641 					ifi->probes = 0;
642 					ifi->state = IFS_IDLE;
646 			rtsol_timer_update(ifi);
651 			TAILQ_FOREACH(rai, &ifi->ifi_rainfo, rai_next) {
674 				ra_opt_handler(ifi);
676 		if (TS_CMP(&ifi->expire, &rtsol_timer, <))
677 			rtsol_timer = ifi->expire;
698 rtsol_timer_update(struct ifinfo *ifi)
705 	bzero(&ifi->timer, sizeof(ifi->timer));
707 	switch (ifi->state) {
710 		if (++ifi->dadcount > DADRETRY) {
711 			ifi->dadcount = 0;
712 			ifi->timer.tv_sec = PROBE_INTERVAL;
714 			ifi->timer.tv_sec = 1;
719 			ifi->timer.tv_sec = 3;
722 			ifi->timer = tm_max;	/* stop timer(valid?) */
726 		ifi->timer.tv_sec = interval / MILLION;
727 		ifi->timer.tv_nsec = (interval % MILLION) * 1000;
730 		if (ifi->probes < MAX_RTR_SOLICITATIONS)
731 			ifi->timer.tv_sec = RTR_SOLICITATION_INTERVAL;
740 			ifi->timer.tv_sec = MAX_RTR_SOLICITATION_DELAY;
746 		    ifi->state, ifi->ifname);
751 	if (TS_CMP(&ifi->timer, &tm_max, ==)) {
752 		ifi->expire = tm_max;
754 		    "stop timer for %s", ifi->ifname);
757 		TS_ADD(&now, &ifi->timer, &ifi->expire);
759 		now.tv_sec += ifi->timer.tv_sec;
760 		now.tv_nsec += ifi->timer.tv_nsec;
762 		    ifi->ifname, sec2str(&now));