222 					  struct ndisc_options *ndopts)  in ndisc_parse_options()  argument
226 	if (!nd_opt || opt_len < 0 || !ndopts)  in ndisc_parse_options()
228 	memset(ndopts, 0, sizeof(*ndopts));  in ndisc_parse_options()
237 		if (ndisc_ops_parse_options(dev, nd_opt, ndopts))  in ndisc_parse_options()
245 			if (ndopts->nd_opt_array[nd_opt->nd_opt_type]) {  in ndisc_parse_options()
250 				ndopts->nd_opt_array[nd_opt->nd_opt_type] = nd_opt;  in ndisc_parse_options()
254 			ndopts->nd_opts_pi_end = nd_opt;  in ndisc_parse_options()
255 			if (!ndopts->nd_opt_array[nd_opt->nd_opt_type])  in ndisc_parse_options()
256 				ndopts->nd_opt_array[nd_opt->nd_opt_type] = nd_opt;  in ndisc_parse_options()
260 			ndopts->nd_opts_ri_end = nd_opt;  in ndisc_parse_options()
261 			if (!ndopts->nd_opts_ri)  in ndisc_parse_options()
262 				ndopts->nd_opts_ri = nd_opt;  in ndisc_parse_options()
269 			ndopts->nd_useropts_end = nd_opt;  in ndisc_parse_options()
270 			if (!ndopts->nd_useropts)  in ndisc_parse_options()
271 				ndopts->nd_useropts = nd_opt;  in ndisc_parse_options()
288 	return ndopts;  in ndisc_parse_options()
782 		  struct ndisc_options *ndopts)  in ndisc_update()  argument
786 	ndisc_ops_update(dev, neigh, flags, icmp6_type, ndopts);  in ndisc_update()
797 	struct ndisc_options ndopts;  in ndisc_recv_ns()  local
825 	if (!ndisc_parse_options(dev, msg->opt, ndoptlen, &ndopts))  in ndisc_recv_ns()
828 	if (ndopts.nd_opts_src_lladdr) {  in ndisc_recv_ns()
829 		lladdr = ndisc_opt_addr_data(ndopts.nd_opts_src_lladdr, dev);  in ndisc_recv_ns()
847 	if (ndopts.nd_opts_nonce && ndopts.nd_opts_nonce->nd_opt_len == 1)  in ndisc_recv_ns()
848 		memcpy(&nonce, (u8 *)(ndopts.nd_opts_nonce + 1), 6);  in ndisc_recv_ns()
958 			     NDISC_NEIGHBOUR_SOLICITATION, &ndopts);  in ndisc_recv_ns()
1002 	struct ndisc_options ndopts;  in ndisc_recv_na()  local
1033 	if (!ndisc_parse_options(dev, msg->opt, ndoptlen, &ndopts))  in ndisc_recv_na()
1036 	if (ndopts.nd_opts_tgt_lladdr) {  in ndisc_recv_na()
1037 		lladdr = ndisc_opt_addr_data(ndopts.nd_opts_tgt_lladdr, dev);  in ndisc_recv_na()
1119 			     NDISC_NEIGHBOUR_ADVERTISEMENT, &ndopts);  in ndisc_recv_na()
1141 	struct ndisc_options ndopts;  in ndisc_recv_rs()  local
1166 	if (!ndisc_parse_options(skb->dev, rs_msg->opt, ndoptlen, &ndopts))  in ndisc_recv_rs()
1169 	if (ndopts.nd_opts_src_lladdr) {  in ndisc_recv_rs()
1170 		lladdr = ndisc_opt_addr_data(ndopts.nd_opts_src_lladdr,  in ndisc_recv_rs()
1182 			     NDISC_ROUTER_SOLICITATION, &ndopts);  in ndisc_recv_rs()
1241 	struct ndisc_options ndopts;  in ndisc_router_discovery()  local
1282 	if (!ndisc_parse_options(skb->dev, opt, optlen, &ndopts))  in ndisc_router_discovery()
1489 		if (ndopts.nd_opts_src_lladdr) {  in ndisc_router_discovery()
1490 			lladdr = ndisc_opt_addr_data(ndopts.nd_opts_src_lladdr,  in ndisc_router_discovery()
1503 			     NDISC_ROUTER_ADVERTISEMENT, &ndopts);  in ndisc_router_discovery()
1524 	if (READ_ONCE(in6_dev->cnf.accept_ra_rtr_pref) && ndopts.nd_opts_ri) {  in ndisc_router_discovery()
1526 		for (p = ndopts.nd_opts_ri;  in ndisc_router_discovery()
1528 		     p = ndisc_next_option(p, ndopts.nd_opts_ri_end)) {  in ndisc_router_discovery()
1563 	if (READ_ONCE(in6_dev->cnf.accept_ra_pinfo) && ndopts.nd_opts_pi) {  in ndisc_router_discovery()
1565 		for (p = ndopts.nd_opts_pi;  in ndisc_router_discovery()
1567 		     p = ndisc_next_option(p, ndopts.nd_opts_pi_end)) {  in ndisc_router_discovery()
1570 					    ndopts.nd_opts_src_lladdr != NULL);  in ndisc_router_discovery()
1574 	if (ndopts.nd_opts_mtu && READ_ONCE(in6_dev->cnf.accept_ra_mtu)) {  in ndisc_router_discovery()
1578 		memcpy(&n, ((u8 *)(ndopts.nd_opts_mtu+1))+2, sizeof(mtu));  in ndisc_router_discovery()
1595 	if (ndopts.nd_useropts) {  in ndisc_router_discovery()
1597 		for (p = ndopts.nd_useropts;  in ndisc_router_discovery()
1600 					    ndopts.nd_useropts_end)) {  in ndisc_router_discovery()
1605 	if (ndopts.nd_opts_tgt_lladdr || ndopts.nd_opts_rh) {  in ndisc_router_discovery()
1626 	struct ndisc_options ndopts;  in ndisc_redirect_rcv()  local
1646 	if (!ndisc_parse_options(skb->dev, msg->opt, ndoptlen, &ndopts))  in ndisc_redirect_rcv()
1649 	if (!ndopts.nd_opts_rh) {  in ndisc_redirect_rcv()
1655 	hdr = (u8 *)ndopts.nd_opts_rh;  in ndisc_redirect_rcv()