404 	if (!idev || idev->cnf.disable_ipv6) {  in ndisc_allow_add()
452 	tclass = idev ? idev->cnf.ndisc_tclass : 0;  in ip6_nd_hdr()
536 		inc_opt |= ifp->idev->cnf.force_tllao;  in ndisc_send_na()
592 			      /*router=*/ !!idev->cnf.forwarding,  in ndisc_send_unsol_na()
892 		    (idev->cnf.forwarding &&  in ndisc_recv_ns()
893 		     (net->ipv6.devconf_all->proxy_ndp || idev->cnf.proxy_ndp) &&  in ndisc_recv_ns()
916 		is_router = idev->cnf.forwarding;  in ndisc_recv_ns()
989 	    idev->cnf.drop_unsolicited_na)  in ndisc_recv_na()
1088 	if (!idev->cnf.forwarding)  in ndisc_recv_rs()
1264 	if (!in6_dev->cnf.accept_ra_defrtr) {  in ndisc_router_discovery()
1275 	if (!in6_dev->cnf.accept_ra_from_local &&  in ndisc_router_discovery()
1289 	    !in6_dev->cnf.accept_ra_rtr_pref)  in ndisc_router_discovery()
1342 	if (in6_dev->cnf.accept_ra_min_hop_limit < 256 &&  in ndisc_router_discovery()
1344 		if (in6_dev->cnf.accept_ra_min_hop_limit <= ra_msg->icmph.icmp6_hop_limit) {  in ndisc_router_discovery()
1345 			in6_dev->cnf.hop_limit = ra_msg->icmph.icmp6_hop_limit;  in ndisc_router_discovery()
1432 	if (!in6_dev->cnf.accept_ra_from_local &&  in ndisc_router_discovery()
1441 	if (in6_dev->cnf.accept_ra_rtr_pref && ndopts.nd_opts_ri) {  in ndisc_router_discovery()
1453 			    !in6_dev->cnf.accept_ra_defrtr)  in ndisc_router_discovery()
1455 			if (ri->prefix_len < in6_dev->cnf.accept_ra_rt_info_min_plen)  in ndisc_router_discovery()
1457 			if (ri->prefix_len > in6_dev->cnf.accept_ra_rt_info_max_plen)  in ndisc_router_discovery()
1477 	if (in6_dev->cnf.accept_ra_pinfo && ndopts.nd_opts_pi) {  in ndisc_router_discovery()
1488 	if (ndopts.nd_opts_mtu && in6_dev->cnf.accept_ra_mtu) {  in ndisc_router_discovery()
1497 		} else if (in6_dev->cnf.mtu6 != mtu) {  in ndisc_router_discovery()
1498 			in6_dev->cnf.mtu6 = mtu;  in ndisc_router_discovery()
1723 	    idev->cnf.suppress_frag_ndisc) {  in ndisc_suppress_frag_ndisc()
1798 		if (idev->cnf.ndisc_notify ||  in ndisc_netdev_event()