202 nd6_option_init(void *opt, int icmp6len, union nd_opts *ndopts)  in nd6_option_init()  argument
205 	memset(ndopts, 0, sizeof(*ndopts));  in nd6_option_init()
206 	ndopts->nd_opts_search = (struct nd_opt_hdr *)opt;  in nd6_option_init()
207 	ndopts->nd_opts_last  in nd6_option_init()
211 		ndopts->nd_opts_done = 1;  in nd6_option_init()
212 		ndopts->nd_opts_search = NULL;  in nd6_option_init()
220 nd6_option(union nd_opts *ndopts)  in nd6_option()  argument
225 	KASSERT(ndopts != NULL);  in nd6_option()
226 	KASSERT(ndopts->nd_opts_last != NULL);  in nd6_option()
228 	if (ndopts->nd_opts_search == NULL)  in nd6_option()
230 	if (ndopts->nd_opts_done)  in nd6_option()
233 	nd_opt = ndopts->nd_opts_search;  in nd6_option()
236 	if ((void *)&nd_opt->nd_opt_len >= (void *)ndopts->nd_opts_last) {  in nd6_option()
237 		memset(ndopts, 0, sizeof(*ndopts));  in nd6_option()
247 		memset(ndopts, 0, sizeof(*ndopts));  in nd6_option()
251 	ndopts->nd_opts_search = (struct nd_opt_hdr *)((char *)nd_opt + olen);  in nd6_option()
252 	if (ndopts->nd_opts_search > ndopts->nd_opts_last) {  in nd6_option()
254 		memset(ndopts, 0, sizeof(*ndopts));  in nd6_option()
256 	} else if (ndopts->nd_opts_search == ndopts->nd_opts_last) {  in nd6_option()
258 		ndopts->nd_opts_done = 1;  in nd6_option()
259 		ndopts->nd_opts_search = NULL;  in nd6_option()
270 nd6_options(union nd_opts *ndopts)  in nd6_options()  argument
275 	KASSERT(ndopts != NULL);  in nd6_options()
276 	KASSERT(ndopts->nd_opts_last != NULL);  in nd6_options()
278 	if (ndopts->nd_opts_search == NULL)  in nd6_options()
282 		nd_opt = nd6_option(ndopts);  in nd6_options()
283 		if (nd_opt == NULL && ndopts->nd_opts_last == NULL) {  in nd6_options()
289 			memset(ndopts, 0, sizeof(*ndopts));  in nd6_options()
302 			if (ndopts->nd_opt_array[nd_opt->nd_opt_type]) {  in nd6_options()
308 				ndopts->nd_opt_array[nd_opt->nd_opt_type]  in nd6_options()
313 			if (ndopts->nd_opt_array[nd_opt->nd_opt_type] == 0) {  in nd6_options()
314 				ndopts->nd_opt_array[nd_opt->nd_opt_type]  in nd6_options()
317 			ndopts->nd_opts_pi_end =  in nd6_options()
338 		if (ndopts->nd_opts_done)  in nd6_options()