usr.sbin/rtsold/rtsold.c

350 			struct ifinfo *ifi;
357 			TAILQ_FOREACH(ifi, &ifinfo_head, ifi_next) {
358 				if (ifi->state != IFS_DOWN && ifi->racnt == 0)
361 			if (ifi == NULL)
399 	struct ifinfo *ifi;
441 	if ((ifi = malloc(sizeof(*ifi))) == NULL) {
446 	memset(ifi, 0, sizeof(*ifi));
447 	ifi->sdl = sdl;
448 	ifi->ifi_rdnss = IFI_DNSOPT_STATE_NOINFO;
449 	ifi->ifi_dnssl = IFI_DNSOPT_STATE_NOINFO;
450 	TAILQ_INIT(&ifi->ifi_rainfo);
451 	strlcpy(ifi->ifname, ifname, sizeof(ifi->ifname));
454 	if (make_packet(ifi))
459 	if (inet_zoneid(AF_INET6, 2, ifname, &ifi->linkid))
463 	ifi->linkid = ifi->sdl->sdl_index;
470 	ifi->mediareqok = 1;
471 	ifi->active = interface_status(ifi);
472 	if (!ifi->mediareqok) {
477 		ifi->probeinterval = PROBE_INTERVAL;
481 	flags = interface_up(ifi->ifname);
483 		ifi->state = IFS_DELAY;
485 		ifi->state = IFS_TENTATIVE;
487 		ifi->state = IFS_DOWN;
489 	rtsol_timer_update(ifi);
491 	TAILQ_INSERT_TAIL(&ifinfo_head, ifi, ifi_next);
495 	free(ifi->sdl);
496 	free(ifi);
503 	struct ifinfo *ifi;
505 	while ((ifi = TAILQ_FIRST(&ifinfo_head)) != NULL) {
506 		TAILQ_REMOVE(&ifinfo_head, ifi, ifi_next);
507 		if (ifi->sdl != NULL)
508 			free(ifi->sdl);
509 		if (ifi->rs_data != NULL)
510 			free(ifi->rs_data);
511 		free(ifi);
519 	struct ifinfo *ifi, *prev;
523 	TAILQ_FOREACH(ifi, &ifinfo_head, ifi_next) {
524 		if (strncmp(ifi->ifname, ifname, sizeof(ifi->ifname)) == 0)
526 		prev = ifi;
528 	prev->next = ifi->next;
532 	/* reclaim it after ifconfig() in case ifname is pointer inside ifi */
533 	if (ifi->rs_data)
534 		free(ifi->rs_data);
535 	free(ifi->sdl);
536 	free(ifi);
543 find_rainfo(struct ifinfo *ifi, struct sockaddr_in6 *sin6)
547 	TAILQ_FOREACH(rai, &ifi->ifi_rainfo, rai_next)
558 	struct ifinfo *ifi;
560 	TAILQ_FOREACH(ifi, &ifinfo_head, ifi_next) {
561 		if (ifi->sdl->sdl_index == ifindex)
562 			return (ifi);
568 make_packet(struct ifinfo *ifi)
574 	if ((lladdroptlen = lladdropt_length(ifi->sdl)) == 0) {
577 		    " on %s. Treat as not included.", ifi->ifname);
580 	ifi->rs_datalen = packlen;
585 		    "memory allocation failed for %s", ifi->ifname);
588 	ifi->rs_data = buf;
600 		lladdropt_fill(ifi->sdl, (struct nd_opt_hdr *)buf);
610 	struct ifinfo *ifi;
619 	TAILQ_FOREACH(ifi, &ifinfo_head, ifi_next) {
620 		if (TS_CMP(&ifi->expire, &now, <=)) {
622 			    "state = %d", ifi->ifname, ifi->state);
624 			while((rai = TAILQ_FIRST(&ifi->ifi_rainfo)) != NULL) {
626 				TAILQ_REMOVE(&ifi->ifi_rainfo, rai, rai_next);
637 			switch (ifi->state) {
641 				flags = interface_up(ifi->ifname);
643 					ifi->state = IFS_DELAY;
645 					ifi->state = IFS_TENTATIVE;
647 					ifi->state = IFS_DOWN;
651 				int oldstatus = ifi->active;
654 				ifi->active = interface_status(ifi);
656 				if (oldstatus != ifi->active) {
660 					    ifi->ifname,
661 					    oldstatus, ifi->active);
663 					ifi->state = IFS_DELAY;
664 				} else if (ifi->probeinterval &&
665 				    (ifi->probetimer -=
666 				    ifi->timer.tv_sec) <= 0) {
668 					ifi->probetimer =
669 					    ifi->probeinterval;
671 					ifi->state = IFS_PROBE;
679 					ifi->otherconfig = 0;
682 					defrouter_probe(ifi);
686 				ifi->state = IFS_PROBE;
687 				sendpacket(ifi);
690 				if (ifi->probes < MAX_RTR_SOLICITATIONS)
691 					sendpacket(ifi);
695 					    ifi->probes);
696 					ifi->probes = 0;
697 					ifi->state = IFS_IDLE;
701 			rtsol_timer_update(ifi);
706 			TAILQ_FOREACH(rai, &ifi->ifi_rainfo, rai_next) {
729 				ra_opt_handler(ifi);
731 		if (TS_CMP(&ifi->expire, &rtsol_timer, <))
732 			rtsol_timer = ifi->expire;
753 rtsol_timer_update(struct ifinfo *ifi)
760 	bzero(&ifi->timer, sizeof(ifi->timer));
762 	switch (ifi->state) {
765 		if (++ifi->dadcount > DADRETRY) {
766 			ifi->dadcount = 0;
767 			ifi->timer.tv_sec = PROBE_INTERVAL;
769 			ifi->timer.tv_sec = 1;
774 			ifi->timer.tv_sec = 3;
777 			ifi->timer = tm_max;	/* stop timer(valid?) */
781 		ifi->timer.tv_sec = interval / MILLION;
782 		ifi->timer.tv_nsec = (interval % MILLION) * 1000;
785 		if (ifi->probes < MAX_RTR_SOLICITATIONS)
786 			ifi->timer.tv_sec = RTR_SOLICITATION_INTERVAL;
795 			ifi->timer.tv_sec = MAX_RTR_SOLICITATION_DELAY;
801 		    ifi->state, ifi->ifname);
806 	if (TS_CMP(&ifi->timer, &tm_max, ==)) {
807 		ifi->expire = tm_max;
809 		    "stop timer for %s", ifi->ifname);
812 		TS_ADD(&now, &ifi->timer, &ifi->expire);
814 		now.tv_sec += ifi->timer.tv_sec;
815 		now.tv_nsec += ifi->timer.tv_nsec;
817 		    ifi->ifname, sec2str(&now));