39 static boolean_t verify_opt_len(struct nd_opt_hdr *opt, int optlen,
47 static void	incoming_prefix_opt(struct phyint *pi, uchar_t *opt,
49 static void	incoming_prefix_onlink(struct phyint *pi, uchar_t *opt);
51 		    uchar_t *opt);
54 		    uchar_t *opt, struct sockaddr_in6 *from,
57 		    struct prefix *pr, uchar_t *opt,
60 static void	incoming_mtu_opt(struct phyint *pi, uchar_t *opt,
62 static void	incoming_lla_opt(struct phyint *pi, uchar_t *opt,
68 static void	verify_prefix_opt(struct phyint *pi, uchar_t *opt,
70 static void	verify_mtu_opt(struct phyint *pi, uchar_t *opt,
109 	uchar_t *opt;  in in_data()  local
152 	opt = find_ancillary(&msg, IPV6_HOPLIMIT);  in in_data()
153 	if (opt == NULL) {  in in_data()
159 	hoplimit = *(uint_t *)opt;  in in_data()
160 	opt = find_ancillary(&msg, IPV6_RTHDR);  in in_data()
161 	if (opt != NULL) {  in in_data()
290 	struct nd_opt_hdr *opt;  in incoming_rs()  local
295 	opt = (struct nd_opt_hdr *)&rs[1];  in incoming_rs()
297 		optlen = opt->nd_opt_len * 8;  in incoming_rs()
298 		switch (opt->nd_opt_type) {  in incoming_rs()
300 			incoming_lla_opt(pi, (uchar_t *)opt,  in incoming_rs()
306 		opt = (struct nd_opt_hdr *)((char *)opt + optlen);  in incoming_rs()
436 	struct nd_opt_hdr *opt;  in incoming_ra()  local
551 	opt = (struct nd_opt_hdr *)&ra[1];  in incoming_ra()
553 		optlen = opt->nd_opt_len * 8;  in incoming_ra()
554 		switch (opt->nd_opt_type) {  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()
573 		opt = (struct nd_opt_hdr *)((char *)opt + optlen);  in incoming_ra()
591 incoming_prefix_opt(struct phyint *pi, uchar_t *opt,  in incoming_prefix_opt()  argument
594 	struct nd_opt_prefix_info *po = (struct nd_opt_prefix_info *)opt;  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()
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
644 	struct nd_opt_prefix_info *po = (struct nd_opt_prefix_info *)opt;  in incoming_prefix_onlink()
658 			incoming_prefix_onlink_process(pr, opt);  in incoming_prefix_onlink()
672 	incoming_prefix_onlink_process(pr, opt);  in incoming_prefix_onlink()
676 incoming_prefix_onlink_process(struct prefix *pr, uchar_t *opt)  in incoming_prefix_onlink_process()  argument
678 	struct nd_opt_prefix_info *po = (struct nd_opt_prefix_info *)opt;  in incoming_prefix_onlink_process()
726 incoming_prefix_stateful(struct phyint *pi, uchar_t *opt)  in incoming_prefix_stateful()  argument
728 	struct nd_opt_prefix_info *po = (struct nd_opt_prefix_info *)opt;  in incoming_prefix_stateful()
793 incoming_prefix_addrconf(struct phyint *pi, uchar_t *opt,  in incoming_prefix_addrconf()  argument
796 	struct nd_opt_prefix_info *po = (struct nd_opt_prefix_info *)opt;  in incoming_prefix_addrconf()
846 			(void) incoming_prefix_addrconf_process(pi, pr, opt,  in incoming_prefix_addrconf()
864 		ret = incoming_prefix_addrconf_process(pi, pr, opt, from,  in incoming_prefix_addrconf()
879 		ret = incoming_prefix_addrconf_process(pi, pr, opt, from,  in incoming_prefix_addrconf()
888     uchar_t *opt, struct sockaddr_in6 *from, boolean_t loopback,  in incoming_prefix_addrconf_process()  argument
891 	struct nd_opt_prefix_info *po = (struct nd_opt_prefix_info *)opt;  in incoming_prefix_addrconf_process()
1150 incoming_mtu_opt(struct phyint *pi, uchar_t *opt,  in incoming_mtu_opt()  argument
1153 	struct nd_opt_mtu *mo = (struct nd_opt_mtu *)opt;  in incoming_mtu_opt()
1206 incoming_lla_opt(struct phyint *pi, uchar_t *opt,  in incoming_lla_opt()  argument
1209 	struct nd_opt_lla *lo = (struct nd_opt_lla *)opt;  in incoming_lla_opt()
1271 	struct nd_opt_hdr *opt;  in verify_ra_consistency()  local
1327 	opt = (struct nd_opt_hdr *)&ra[1];  in verify_ra_consistency()
1329 		optlen = opt->nd_opt_len * 8;  in verify_ra_consistency()
1330 		switch (opt->nd_opt_type) {  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()
1340 		opt = (struct nd_opt_hdr *)((char *)opt + optlen);  in verify_ra_consistency()
1350 verify_prefix_opt(struct phyint *pi, uchar_t *opt, char *frombuf)  in verify_prefix_opt()  argument
1352 	struct nd_opt_prefix_info *po = (struct nd_opt_prefix_info *)opt;  in verify_prefix_opt()
1464 verify_mtu_opt(struct phyint *pi, uchar_t *opt, char *frombuf)  in verify_mtu_opt()  argument
1466 	struct nd_opt_mtu *mo = (struct nd_opt_mtu *)opt;  in verify_mtu_opt()
1491 verify_opt_len(struct nd_opt_hdr *opt, int optlen,  in verify_opt_len()  argument
1495 		if (opt->nd_opt_len == 0) {  in verify_opt_len()
1504 			    opt->nd_opt_type, abuf, pi->pi_name);  in verify_opt_len()
1507 		optlen -= 8 * opt->nd_opt_len;  in verify_opt_len()
1517 			    opt->nd_opt_type, opt->nd_opt_len,  in verify_opt_len()
1521 		opt = (struct nd_opt_hdr *)((char *)opt +  in verify_opt_len()
1522 		    8 * opt->nd_opt_len);  in verify_opt_len()