66 static int do_opt_default(queue_t *, struct T_opthdr *, uchar_t **,
68 static void do_opt_current(queue_t *, struct T_opthdr *, uchar_t **,
70 static void do_opt_check_or_negotiate(queue_t *q, struct T_opthdr *reqopt,
638 	struct T_opthdr *opt;  in process_topthdrs_first_pass()
639 	struct T_opthdr *opt_start, *opt_end;  in process_topthdrs_first_pass()
647 	if ((opt_start = (struct T_opthdr *)  in process_topthdrs_first_pass()
654 	opt_end = (struct T_opthdr *)((uchar_t *)opt_start + tor->OPT_length);  in process_topthdrs_first_pass()
768 			*toa_lenp += sizeof (struct T_opthdr) +  in process_topthdrs_first_pass()
786 			    (opt->len != sizeof (struct T_opthdr))) {  in process_topthdrs_first_pass()
794 				if (opt->len < sizeof (struct T_opthdr) ||  in process_topthdrs_first_pass()
796 				    opt->len - sizeof (struct T_opthdr))) {  in process_topthdrs_first_pass()
838 			*toa_lenp += sizeof (struct T_opthdr) +  in process_topthdrs_first_pass()
861 	struct T_opthdr *opt;  in do_options_second_pass()
862 	struct T_opthdr *opt_start, *opt_end;  in do_options_second_pass()
873 	opt_start = (struct T_opthdr *)mi_offset_param(reqmp,  in do_options_second_pass()
877 	opt_end = (struct T_opthdr *)((uchar_t *)opt_start + tor->OPT_length);  in do_options_second_pass()
1023 do_opt_default(queue_t *q, struct T_opthdr *reqopt, uchar_t **resptrp,  in do_opt_default()
1030 	struct T_opthdr *topth;  in do_opt_default()
1043 		topth = (struct T_opthdr *)(*resptrp);  in do_opt_default()
1053 			topth->len = sizeof (struct T_opthdr);  in do_opt_default()
1054 			*resptrp += sizeof (struct T_opthdr);  in do_opt_default()
1063 					    (sizeof (struct T_opthdr) + deflen);  in do_opt_default()
1106 				    sizeof (struct T_opthdr));  in do_opt_default()
1138 		topth = (struct T_opthdr *)(*resptrp);  in do_opt_default()
1161 			topth->len = sizeof (struct T_opthdr);  in do_opt_default()
1162 			*resptrp += sizeof (struct T_opthdr);  in do_opt_default()
1171 					    sizeof (struct T_opthdr));  in do_opt_default()
1180 					topth->len = sizeof (struct T_opthdr);  in do_opt_default()
1220 				    sizeof (struct T_opthdr));  in do_opt_default()
1229 do_opt_current(queue_t *q, struct T_opthdr *reqopt, uchar_t **resptrp,  in do_opt_current()
1235 	struct T_opthdr *topth;  in do_opt_current()
1247 		topth = (struct T_opthdr *)*resptrp;  in do_opt_current()
1248 		*resptrp += sizeof (struct T_opthdr);  in do_opt_current()
1252 			    sizeof (struct T_opthdr));  in do_opt_current()
1261 			*resptrp -= sizeof (struct T_opthdr);  in do_opt_current()
1274 			topth = (struct T_opthdr *)*resptrp;  in do_opt_current()
1275 			*resptrp += sizeof (struct T_opthdr);  in do_opt_current()
1283 				    sizeof (struct T_opthdr));  in do_opt_current()
1298 				topth->len = sizeof (struct T_opthdr);  in do_opt_current()
1320 do_opt_check_or_negotiate(queue_t *q, struct T_opthdr *reqopt,  in do_opt_check_or_negotiate()
1328 	struct T_opthdr *topth;  in do_opt_check_or_negotiate()
1338 		topth = (struct T_opthdr *)*resptrp;  in do_opt_check_or_negotiate()
1339 		*resptrp += sizeof (struct T_opthdr);  in do_opt_check_or_negotiate()
1341 		    reqopt->len - sizeof (struct T_opthdr),  in do_opt_check_or_negotiate()
1346 			*resptrp -= sizeof (struct T_opthdr);  in do_opt_check_or_negotiate()
1352 			    sizeof (struct T_opthdr));  in do_opt_check_or_negotiate()
1387 				topth = (struct T_opthdr *)*resptrp;  in do_opt_check_or_negotiate()
1388 				topth->len = sizeof (struct T_opthdr);  in do_opt_check_or_negotiate()
1404 			topth = (struct T_opthdr *)*resptrp;  in do_opt_check_or_negotiate()
1405 			*resptrp += sizeof (struct T_opthdr);  in do_opt_check_or_negotiate()
1407 			topth->len = sizeof (struct T_opthdr);  in do_opt_check_or_negotiate()
1524 	struct T_opthdr *opt, *opt_start, *opt_end;  in tpi_optcom_buf()
1554 	if ((opt_start = (struct T_opthdr *)  in tpi_optcom_buf()
1564 	opt_end = (struct T_opthdr *)((uchar_t *)opt_start  in tpi_optcom_buf()
1648 		if (opt->len < (t_uscalar_t)sizeof (struct T_opthdr) ||  in tpi_optcom_buf()
1649 		    !opt_length_ok(optd, opt->len - sizeof (struct T_opthdr))) {  in tpi_optcom_buf()
1675 		    opt->len - (t_uscalar_t)sizeof (struct T_opthdr),  in tpi_optcom_buf()
1679 		if (olen > (int)(opt->len - sizeof (struct T_opthdr))) {  in tpi_optcom_buf()
1782 			allopt_len += sizeof (struct T_opthdr) +  in opt_level_allopts_lengths()
1801 		max_optbuf_len += (t_uscalar_t)sizeof (struct T_opthdr) +  in optcom_max_optbuf_len()
1827 			    (t_uscalar_t)sizeof (struct T_opthdr) +  in optcom_max_optsize()