usr.sbin/rtsold/rtsold.c

351 			struct ifinfo *ifi;
358 			TAILQ_FOREACH(ifi, &ifinfo_head, ifi_next) {
359 				if (ifi->state != IFS_DOWN && ifi->racnt == 0)
362 			if (ifi == NULL)
400 	struct ifinfo *ifi;
442 	if ((ifi = malloc(sizeof(*ifi))) == NULL) {
447 	memset(ifi, 0, sizeof(*ifi));
448 	ifi->sdl = sdl;
449 	ifi->ifi_rdnss = IFI_DNSOPT_STATE_NOINFO;
450 	ifi->ifi_dnssl = IFI_DNSOPT_STATE_NOINFO;
451 	TAILQ_INIT(&ifi->ifi_rainfo);
452 	strlcpy(ifi->ifname, ifname, sizeof(ifi->ifname));
455 	if (make_packet(ifi))
460 	if (inet_zoneid(AF_INET6, 2, ifname, &ifi->linkid))
464 	ifi->linkid = ifi->sdl->sdl_index;
471 	ifi->mediareqok = 1;
472 	ifi->active = interface_status(ifi);
473 	if (!ifi->mediareqok) {
478 		ifi->probeinterval = PROBE_INTERVAL;
482 	flags = interface_up(ifi->ifname);
484 		ifi->state = IFS_DELAY;
486 		ifi->state = IFS_TENTATIVE;
488 		ifi->state = IFS_DOWN;
490 	rtsol_timer_update(ifi);
492 	TAILQ_INSERT_TAIL(&ifinfo_head, ifi, ifi_next);
496 	free(ifi->sdl);
497 	free(ifi);
504 	struct ifinfo *ifi;
506 	while ((ifi = TAILQ_FIRST(&ifinfo_head)) != NULL) {
507 		TAILQ_REMOVE(&ifinfo_head, ifi, ifi_next);
508 		if (ifi->sdl != NULL)
509 			free(ifi->sdl);
510 		if (ifi->rs_data != NULL)
511 			free(ifi->rs_data);
512 		free(ifi);
520 	struct ifinfo *ifi, *prev;
524 	TAILQ_FOREACH(ifi, &ifinfo_head, ifi_next) {
525 		if (strncmp(ifi->ifname, ifname, sizeof(ifi->ifname)) == 0)
527 		prev = ifi;
529 	prev->next = ifi->next;
533 	/* reclaim it after ifconfig() in case ifname is pointer inside ifi */
534 	if (ifi->rs_data)
535 		free(ifi->rs_data);
536 	free(ifi->sdl);
537 	free(ifi);
544 find_rainfo(struct ifinfo *ifi, struct sockaddr_in6 *sin6)
548 	TAILQ_FOREACH(rai, &ifi->ifi_rainfo, rai_next)
559 	struct ifinfo *ifi;
561 	TAILQ_FOREACH(ifi, &ifinfo_head, ifi_next) {
562 		if (ifi->sdl->sdl_index == ifindex)
563 			return (ifi);
569 make_packet(struct ifinfo *ifi)
575 	if ((lladdroptlen = lladdropt_length(ifi->sdl)) == 0) {
578 		    " on %s. Treat as not included.", ifi->ifname);
581 	ifi->rs_datalen = packlen;
586 		    "memory allocation failed for %s", ifi->ifname);
589 	ifi->rs_data = buf;
601 		lladdropt_fill(ifi->sdl, (struct nd_opt_hdr *)buf);
611 	struct ifinfo *ifi;
620 	TAILQ_FOREACH(ifi, &ifinfo_head, ifi_next) {
621 		if (timercmp(&ifi->expire, &now, <=)) {
623 			    "state = %d", ifi->ifname, ifi->state);
625 			while((rai = TAILQ_FIRST(&ifi->ifi_rainfo)) != NULL) {
627 				TAILQ_REMOVE(&ifi->ifi_rainfo, rai, rai_next);
638 			switch (ifi->state) {
642 				flags = interface_up(ifi->ifname);
644 					ifi->state = IFS_DELAY;
646 					ifi->state = IFS_TENTATIVE;
648 					ifi->state = IFS_DOWN;
652 				int oldstatus = ifi->active;
655 				ifi->active = interface_status(ifi);
657 				if (oldstatus != ifi->active) {
661 					    ifi->ifname,
662 					    oldstatus, ifi->active);
664 					ifi->state = IFS_DELAY;
665 				} else if (ifi->probeinterval &&
666 				    (ifi->probetimer -=
667 				    ifi->timer.tv_sec) <= 0) {
669 					ifi->probetimer =
670 					    ifi->probeinterval;
672 					ifi->state = IFS_PROBE;
680 					ifi->otherconfig = 0;
683 					defrouter_probe(ifi);
687 				ifi->state = IFS_PROBE;
688 				sendpacket(ifi);
691 				if (ifi->probes < MAX_RTR_SOLICITATIONS)
692 					sendpacket(ifi);
696 					    ifi->probes);
697 					ifi->probes = 0;
698 					ifi->state = IFS_IDLE;
702 			rtsol_timer_update(ifi);
707 			TAILQ_FOREACH(rai, &ifi->ifi_rainfo, rai_next) {
729 				ra_opt_handler(ifi);
731 		if (timercmp(&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?) */
785 		ifi->timer.tv_sec = interval / MILLION;
786 		ifi->timer.tv_usec = interval % MILLION;
789 		if (ifi->probes < MAX_RTR_SOLICITATIONS)
790 			ifi->timer.tv_sec = RTR_SOLICITATION_INTERVAL;
799 			ifi->timer.tv_sec = MAX_RTR_SOLICITATION_DELAY;
805 		    ifi->state, ifi->ifname);
810 	if (timercmp(&ifi->timer, &tm_max, ==)) {
811 		ifi->expire = tm_max;
813 		    "stop timer for %s", ifi->ifname);
816 		timeradd(&now, &ifi->timer, &ifi->expire);
818 		now.tv_sec += ifi->timer.tv_sec;
819 		now.tv_usec += ifi->timer.tv_usec;
821 		    ifi->ifname, sec2str(&now));