40 		    struct phyint *pi, struct sockaddr_in6 *from);
42 static void	incoming_rs(struct phyint *pi, struct nd_router_solicit *rs,
45 void		incoming_ra(struct phyint *pi, struct nd_router_advert *ra,
47 static void	incoming_prefix_opt(struct phyint *pi, uchar_t *opt,
49 static void	incoming_prefix_onlink(struct phyint *pi, uchar_t *opt);
53 static boolean_t	incoming_prefix_addrconf(struct phyint *pi,
56 boolean_t	incoming_prefix_addrconf_process(struct phyint *pi,
60 static void	incoming_mtu_opt(struct phyint *pi, uchar_t *opt,
62 static void	incoming_lla_opt(struct phyint *pi, uchar_t *opt,
65 static void	verify_ra_consistency(struct phyint *pi,
68 static void	verify_prefix_opt(struct phyint *pi, uchar_t *opt,
70 static void	verify_mtu_opt(struct phyint *pi, uchar_t *opt,
73 static void	update_ra_flag(const struct phyint *pi,
96 in_data(struct phyint *pi)  in in_data()  argument
121 	if ((len = recvmsg(pi->pi_sock, &msg, 0)) < 0) {  in in_data()
122 		logperror_pi(pi, "in_data: recvfrom");  in in_data()
148 		    len, msgbuf, pi->pi_name);  in in_data()
156 		    msgbuf, pi->pi_name);  in in_data()
165 		    msgbuf, pi->pi_name);  in in_data()
170 		if (!pi->pi_AdvSendAdvertisements)  in in_data()
172 		if (pi->pi_flags & IFF_NORTEXCH) {  in in_data()
176 				    pi->pi_name);  in in_data()
187 			    hoplimit, msgbuf, pi->pi_name);  in in_data()
193 			    icmp->icmp6_code, msgbuf, pi->pi_name);  in in_data()
200 			    len, msgbuf, pi->pi_name);  in in_data()
206 			    len - sizeof (struct nd_router_solicit), pi, &from))  in in_data()
210 			print_route_sol("Received valid solicit from ", pi,  in in_data()
213 		incoming_rs(pi, rs, len, &from);  in in_data()
226 		if (pi->pi_flags & IFF_NORTEXCH) {  in in_data()
230 				    pi->pi_name);  in in_data()
241 			    msgbuf, pi->pi_name);  in in_data()
247 			    hoplimit, msgbuf, pi->pi_name);  in in_data()
253 			    icmp->icmp6_code, msgbuf, pi->pi_name);  in in_data()
260 			    len, msgbuf, pi->pi_name);  in in_data()
266 			    len - sizeof (struct nd_router_advert), pi, &from))  in in_data()
270 			print_route_adv("Received valid advert from ", pi,  in in_data()
273 		if (pi->pi_AdvSendAdvertisements)  in in_data()
274 			verify_ra_consistency(pi, ra, len, &from);  in in_data()
276 			incoming_ra(pi, ra, len, &from, _B_FALSE);  in in_data()
287 incoming_rs(struct phyint *pi, struct nd_router_solicit *rs, int len,  in incoming_rs()  argument
300 			incoming_lla_opt(pi, (uchar_t *)opt,  in incoming_rs()
310 	check_to_advertise(pi, RECEIVED_SOLICIT);  in incoming_rs()
317 dhcp_op(struct phyint *pi, int type)  in dhcp_op()  argument
323 	request = dhcp_ipc_alloc_request(type | DHCP_V6, pi->pi_name, NULL, 0,  in dhcp_op()
329 			pi->pi_ra_flags &=  in dhcp_op()
339 		    "%s: %s\n", pi->pi_name, dhcp_ipc_strerror(error));  in dhcp_op()
354 start_dhcp(struct phyint *pi)  in start_dhcp()  argument
362 		pi->pi_ra_flags &= ~ND_RA_FLAG_MANAGED & ~ND_RA_FLAG_OTHER;  in start_dhcp()
366 	else if (pi->pi_ra_flags & ND_RA_FLAG_MANAGED)  in start_dhcp()
371 	error = dhcp_op(pi, type);  in start_dhcp()
379 		    pi->pi_name, dhcp_ipc_strerror(error));  in start_dhcp()
388 release_dhcp(struct phyint *pi)  in release_dhcp()  argument
395 	error = dhcp_op(pi, type);  in release_dhcp()
406 		    pi->pi_name, dhcp_ipc_strerror(error));  in release_dhcp()
433 incoming_ra(struct phyint *pi, struct nd_router_advert *ra, int len,  in incoming_ra()  argument
450 	(void) strlcpy(lifr.lifr_name, pi->pi_name, sizeof (lifr.lifr_name));  in incoming_ra()
453 	    ra->nd_ra_curhoplimit != pi->pi_CurHopLimit) {  in incoming_ra()
454 		pi->pi_CurHopLimit = ra->nd_ra_curhoplimit;  in incoming_ra()
455 		lifr.lifr_ifinfo.lir_maxhops = pi->pi_CurHopLimit;  in incoming_ra()
458 		if (pi->pi_CurHopLimit < bad_hopcount_threshhold) {  in incoming_ra()
464 			    pi->pi_CurHopLimit, pi->pi_name,  in incoming_ra()
474 	    reachable != pi->pi_BaseReachableTime) {  in incoming_ra()
475 		pi->pi_BaseReachableTime = reachable;  in incoming_ra()
479 	if (pi->pi_reach_time_since_random < MIN_REACH_RANDOM_INTERVAL ||  in incoming_ra()
481 		phyint_reach_random(pi, _B_FALSE);  in incoming_ra()
484 	lifr.lifr_ifinfo.lir_reachtime = pi->pi_ReachableTime;  in incoming_ra()
488 	    pi->pi_RetransTimer != retrans) {  in incoming_ra()
489 		pi->pi_RetransTimer = retrans;  in incoming_ra()
490 		lifr.lifr_ifinfo.lir_reachretrans = pi->pi_RetransTimer;  in incoming_ra()
495 		if (ioctl(pi->pi_sock, SIOCSLIFLNKINFO, (char *)&lifr) < 0) {  in incoming_ra()
496 			logperror_pi(pi, "incoming_ra: SIOCSLIFLNKINFO");  in incoming_ra()
515 	if (pi->pi_autoconf && pi->pi_stateful &&  in incoming_ra()
516 	    (ra->nd_ra_flags_reserved & ~pi->pi_ra_flags &  in incoming_ra()
521 			    (ra->nd_ra_flags_reserved & ~pi->pi_ra_flags &  in incoming_ra()
523 			    pi->pi_name);  in incoming_ra()
525 		pi->pi_ra_flags |= ra->nd_ra_flags_reserved;  in incoming_ra()
526 		start_dhcp(pi);  in incoming_ra()
532 		dr = router_lookup(pi, from->sin6_addr);  in incoming_ra()
536 				dr = router_create(pi, from->sin6_addr,  in incoming_ra()
556 			incoming_prefix_opt(pi, (uchar_t *)opt, from,  in incoming_ra()
560 			incoming_mtu_opt(pi, (uchar_t *)opt, from);  in incoming_ra()
565 				incoming_lla_opt(pi, (uchar_t *)opt,  in incoming_ra()
577 		update_ra_flag(pi, from, NDF_ISROUTER_ON);  in incoming_ra()
579 	check_to_solicit(pi, SOLICIT_DONE);  in incoming_ra()
591 incoming_prefix_opt(struct phyint *pi, uchar_t *opt,  in incoming_prefix_opt()  argument
604 		    abuf, pi->pi_name,  in incoming_prefix_opt()
615 		    abuf, pi->pi_name);  in incoming_prefix_opt()
619 	    pi->pi_stateless && pi->pi_autoconf) {  in incoming_prefix_opt()
620 		good_prefix = incoming_prefix_addrconf(pi, opt, from, loopback);  in incoming_prefix_opt()
624 		incoming_prefix_onlink(pi, opt);  in incoming_prefix_opt()
626 	if (pi->pi_stateful && pi->pi_autoconf)  in incoming_prefix_opt()
627 		incoming_prefix_stateful(pi, opt);  in incoming_prefix_opt()
642 incoming_prefix_onlink(struct phyint *pi, uchar_t *opt)  in incoming_prefix_onlink()  argument
651 	for (pr = pi->pi_prefix_list; pr != NULL; pr = pr->pr_next) {  in incoming_prefix_onlink()
669 	pr = prefix_create(pi, po->nd_opt_pi_prefix, plen, 0);  in incoming_prefix_onlink()
726 incoming_prefix_stateful(struct phyint *pi, uchar_t *opt)  in incoming_prefix_stateful()  argument
743 		    pi->pi_name, inet_ntop(AF_INET6,  in incoming_prefix_stateful()
747 	for (pr = pi->pi_prefix_list; pr != NULL; pr = pr->pr_next) {  in incoming_prefix_stateful()
773 		pr = prefix_create(pi, po->nd_opt_pi_prefix,  in incoming_prefix_stateful()
793 incoming_prefix_addrconf(struct phyint *pi, uchar_t *opt,  in incoming_prefix_addrconf()  argument
819 		    pbuf, plen, abuf, pi->pi_name,  in incoming_prefix_addrconf()
824 	for (pr = pi->pi_prefix_list; pr != NULL; pr = pr->pr_next) {  in incoming_prefix_addrconf()
840 				    !token_equal(pi->pi_tmp_token,  in incoming_prefix_addrconf()
846 			(void) incoming_prefix_addrconf_process(pi, pr, opt,  in incoming_prefix_addrconf()
857 	    (found_pub && (!pi->pi_TmpAddrsEnabled || found_tmp)))  in incoming_prefix_addrconf()
861 		pr = prefix_create(pi, po->nd_opt_pi_prefix, plen, 0);  in incoming_prefix_addrconf()
864 		ret = incoming_prefix_addrconf_process(pi, pr, opt, from,  in incoming_prefix_addrconf()
874 	if (pi->pi_TmpAddrsEnabled && !found_tmp) {  in incoming_prefix_addrconf()
875 		pr = prefix_create(pi, po->nd_opt_pi_prefix, plen,  in incoming_prefix_addrconf()
879 		ret = incoming_prefix_addrconf_process(pi, pr, opt, from,  in incoming_prefix_addrconf()
887 incoming_prefix_addrconf_process(struct phyint *pi, struct prefix *pr,  in incoming_prefix_addrconf_process()  argument
929 			    pbuf, plen, abuf, pi->pi_name,  in incoming_prefix_addrconf_process()
950 			    pbuf, plen, abuf, pi->pi_name,  in incoming_prefix_addrconf_process()
963 		    pi->pi_TmpPreferredLifetime - pi->pi_TmpDesyncFactor;  in incoming_prefix_addrconf_process()
966 			validtime = MIN(validtime, pi->pi_TmpValidLifetime);  in incoming_prefix_addrconf_process()
972 			cur_vexp = pr->pr_CreateTime + pi->pi_TmpValidLifetime;  in incoming_prefix_addrconf_process()
984 			    !token_equal(pr->pr_address, pi->pi_tmp_token,  in incoming_prefix_addrconf_process()
992 		if ((preftime != 0) && (preftime <= pi->pi_TmpRegenAdvance)) {  in incoming_prefix_addrconf_process()
1001 			    pbuf, plen, abuf, pi->pi_name, preftime,  in incoming_prefix_addrconf_process()
1002 			    pi->pi_TmpRegenAdvance);  in incoming_prefix_addrconf_process()
1021 			if (IN6_IS_ADDR_UNSPECIFIED(&pi->pi_tmp_token)) {  in incoming_prefix_addrconf_process()
1022 				if (!tmptoken_create(pi)) {  in incoming_prefix_addrconf_process()
1028 			token = &pi->pi_tmp_token;  in incoming_prefix_addrconf_process()
1030 			tokenlen = pi->pi_token_length;  in incoming_prefix_addrconf_process()
1031 			token = &pi->pi_token;  in incoming_prefix_addrconf_process()
1042 			    pbuf, plen, abuf, pi->pi_name,  in incoming_prefix_addrconf_process()
1066 			    sizeof (abuf)), pi->pi_name);  in incoming_prefix_addrconf_process()
1150 incoming_mtu_opt(struct phyint *pi, uchar_t *opt,  in incoming_mtu_opt()  argument
1164 		    abuf, pi->pi_name,  in incoming_mtu_opt()
1169 	if (pi->pi_LinkMTU == mtu)  in incoming_mtu_opt()
1171 	if (mtu > pi->pi_mtu) {  in incoming_mtu_opt()
1178 		    "MTU %d - %d\n", abuf, pi->pi_name, mtu, pi->pi_mtu);  in incoming_mtu_opt()
1187 		    "MTU (%d)\n", abuf, pi->pi_name, mtu);  in incoming_mtu_opt()
1191 	pi->pi_LinkMTU = mtu;  in incoming_mtu_opt()
1193 	(void) strlcpy(lifr.lifr_name, pi->pi_name, sizeof (lifr.lifr_name));  in incoming_mtu_opt()
1194 	lifr.lifr_ifinfo.lir_maxmtu = pi->pi_LinkMTU;  in incoming_mtu_opt()
1195 	if (ioctl(pi->pi_sock, SIOCSLIFLNKINFO, (char *)&lifr) < 0) {  in incoming_mtu_opt()
1196 		logperror_pi(pi, "incoming_mtu_opt: SIOCSLIFLNKINFO");  in incoming_mtu_opt()
1206 incoming_lla_opt(struct phyint *pi, uchar_t *opt,  in incoming_lla_opt()  argument
1218 	if (phyint_get_lla(pi, &lifr) != 0)  in incoming_lla_opt()
1235 		    "physaddr length (%d vs. %d bytes)\n", abuf, pi->pi_name,  in incoming_lla_opt()
1255 	(void) strlcpy(lifr.lifr_name, pi->pi_name, sizeof (lifr.lifr_name));  in incoming_lla_opt()
1256 	if (ioctl(pi->pi_sock, SIOCLIFSETND, (char *)&lifr) < 0) {  in incoming_lla_opt()
1257 		logperror_pi(pi, "incoming_lla_opt: SIOCLIFSETND");  in incoming_lla_opt()
1267 verify_ra_consistency(struct phyint *pi, struct nd_router_advert *ra, int len,  in verify_ra_consistency()  argument
1280 	    pi->pi_AdvCurHopLimit != 0 &&  in verify_ra_consistency()
1281 	    ra->nd_ra_curhoplimit != pi->pi_AdvCurHopLimit) {  in verify_ra_consistency()
1284 		    frombuf, pi->pi_name,  in verify_ra_consistency()
1285 		    ra->nd_ra_curhoplimit, pi->pi_AdvCurHopLimit);  in verify_ra_consistency()
1289 	if (reachable != 0 && pi->pi_AdvReachableTime != 0 &&  in verify_ra_consistency()
1290 	    reachable != pi->pi_AdvReachableTime) {  in verify_ra_consistency()
1293 		    frombuf, pi->pi_name,  in verify_ra_consistency()
1294 		    reachable, pi->pi_AdvReachableTime);  in verify_ra_consistency()
1298 	if (retrans != 0 && pi->pi_AdvRetransTimer != 0 &&  in verify_ra_consistency()
1299 	    retrans != pi->pi_AdvRetransTimer) {  in verify_ra_consistency()
1302 		    frombuf, pi->pi_name,  in verify_ra_consistency()
1303 		    retrans, pi->pi_AdvRetransTimer);  in verify_ra_consistency()
1307 	myflag = (pi->pi_AdvManagedFlag != 0);  in verify_ra_consistency()
1311 		    frombuf, pi->pi_name,  in verify_ra_consistency()
1316 	myflag = (pi->pi_AdvOtherConfigFlag != 0);  in verify_ra_consistency()
1320 		    frombuf, pi->pi_name,  in verify_ra_consistency()
1332 			verify_prefix_opt(pi, (uchar_t *)opt, frombuf);  in verify_ra_consistency()
1335 			verify_mtu_opt(pi, (uchar_t *)opt, frombuf);  in verify_ra_consistency()
1350 verify_prefix_opt(struct phyint *pi, uchar_t *opt, char *frombuf)  in verify_prefix_opt()  argument
1362 		    frombuf, pi->pi_name,  in verify_prefix_opt()
1369 		    frombuf, pi->pi_name);  in verify_prefix_opt()
1373 	adv_pr = adv_prefix_lookup(pi, po->nd_opt_pi_prefix, plen);  in verify_prefix_opt()
1388 		    frombuf, pi->pi_name, prefixbuf, adv_pr->adv_pr_prefix_len,  in verify_prefix_opt()
1398 		    frombuf, pi->pi_name, prefixbuf, adv_pr->adv_pr_prefix_len,  in verify_prefix_opt()
1420 			    frombuf, pi->pi_name, prefixbuf,  in verify_prefix_opt()
1429 			    frombuf, pi->pi_name, prefixbuf,  in verify_prefix_opt()
1444 			    frombuf, pi->pi_name, prefixbuf,  in verify_prefix_opt()
1453 			    frombuf, pi->pi_name, prefixbuf,  in verify_prefix_opt()
1464 verify_mtu_opt(struct phyint *pi, uchar_t *opt, char *frombuf)  in verify_mtu_opt()  argument
1472 		    frombuf, pi->pi_name,  in verify_mtu_opt()
1477 	if (pi->pi_AdvLinkMTU != 0 &&  in verify_mtu_opt()
1478 	    pi->pi_AdvLinkMTU != mtu) {  in verify_mtu_opt()
1481 		    frombuf, pi->pi_name,  in verify_mtu_opt()
1482 		    mtu, pi->pi_AdvLinkMTU);  in verify_mtu_opt()
1492     struct phyint *pi, struct sockaddr_in6 *from)  in verify_opt_len()  argument
1504 			    opt->nd_opt_type, abuf, pi->pi_name);  in verify_opt_len()
1518 			    abuf, pi->pi_name);  in verify_opt_len()
1531 update_ra_flag(const struct phyint *pi, const struct sockaddr_in6 *from,  in update_ra_flag()  argument
1551 	(void) strlcpy(lifr.lifr_name, pi->pi_name, sizeof (lifr.lifr_name));  in update_ra_flag()
1553 	if (ioctl(pi->pi_sock, SIOCLIFGETND, (char *)&lifr) < 0) {  in update_ra_flag()
1560 			logperror_pi(pi, "update_ra_flag: SIOCLIFGETND");  in update_ra_flag()
1583 		if ((ioctl(pi->pi_sock, SIOCLIFSETND, (char *)&lifr)) < 0) {  in update_ra_flag()
1584 			logperror_pi(pi, "update_ra_flag: SIOCLIFSETND");  in update_ra_flag()