182 		ipv6_addr_set(&t->ip6rd.prefix, htonl(0x20020000), 0, 0, 0);  in ipip6_tunnel_clone_6rd()
183 		t->ip6rd.relay_prefix = 0;  in ipip6_tunnel_clone_6rd()
184 		t->ip6rd.prefixlen = 16;  in ipip6_tunnel_clone_6rd()
185 		t->ip6rd.relay_prefixlen = 0;  in ipip6_tunnel_clone_6rd()
188 		memcpy(&t->ip6rd, &t0->ip6rd, sizeof(t->ip6rd));  in ipip6_tunnel_clone_6rd()
591 	prefix_len = tunnel->ip6rd.prefixlen + 32  in only_dnatted()
592 		- tunnel->ip6rd.relay_prefixlen;  in only_dnatted()
772 	if (ipv6_prefix_equal(v6dst, &tunnel->ip6rd.prefix,  in check_6rd()
773 			      tunnel->ip6rd.prefixlen)) {  in check_6rd()
778 		pbw0 = tunnel->ip6rd.prefixlen >> 5;  in check_6rd()
779 		pbi0 = tunnel->ip6rd.prefixlen & 0x1f;  in check_6rd()
781 		d = tunnel->ip6rd.relay_prefixlen < 32 ?  in check_6rd()
783 		    tunnel->ip6rd.relay_prefixlen : 0;  in check_6rd()
785 		pbi1 = pbi0 - tunnel->ip6rd.relay_prefixlen;  in check_6rd()
790 		*v4dst = tunnel->ip6rd.relay_prefix | htonl(d);  in check_6rd()
1125 				   struct ip_tunnel_6rd *ip6rd)  in ipip6_tunnel_update_6rd()  argument
1130 	if (ip6rd->relay_prefixlen > 32 ||  in ipip6_tunnel_update_6rd()
1131 	    ip6rd->prefixlen + (32 - ip6rd->relay_prefixlen) > 64)  in ipip6_tunnel_update_6rd()
1134 	ipv6_addr_prefix(&prefix, &ip6rd->prefix, ip6rd->prefixlen);  in ipip6_tunnel_update_6rd()
1135 	if (!ipv6_addr_equal(&prefix, &ip6rd->prefix))  in ipip6_tunnel_update_6rd()
1137 	if (ip6rd->relay_prefixlen)  in ipip6_tunnel_update_6rd()
1138 		relay_prefix = ip6rd->relay_prefix &  in ipip6_tunnel_update_6rd()
1140 				     (32 - ip6rd->relay_prefixlen));  in ipip6_tunnel_update_6rd()
1143 	if (relay_prefix != ip6rd->relay_prefix)  in ipip6_tunnel_update_6rd()
1146 	t->ip6rd.prefix = prefix;  in ipip6_tunnel_update_6rd()
1147 	t->ip6rd.relay_prefix = relay_prefix;  in ipip6_tunnel_update_6rd()
1148 	t->ip6rd.prefixlen = ip6rd->prefixlen;  in ipip6_tunnel_update_6rd()
1149 	t->ip6rd.relay_prefixlen = ip6rd->relay_prefixlen;  in ipip6_tunnel_update_6rd()
1176 	struct ip_tunnel_6rd ip6rd;  in ipip6_tunnel_ioctl()  local
1202 			ip6rd.prefix = t->ip6rd.prefix;  in ipip6_tunnel_ioctl()
1203 			ip6rd.relay_prefix = t->ip6rd.relay_prefix;  in ipip6_tunnel_ioctl()
1204 			ip6rd.prefixlen = t->ip6rd.prefixlen;  in ipip6_tunnel_ioctl()
1205 			ip6rd.relay_prefixlen = t->ip6rd.relay_prefixlen;  in ipip6_tunnel_ioctl()
1206 			if (copy_to_user(ifr->ifr_ifru.ifru_data, &ip6rd,  in ipip6_tunnel_ioctl()
1207 					 sizeof(ip6rd)))  in ipip6_tunnel_ioctl()
1325 		if (copy_from_user(&ip6rd, ifr->ifr_ifru.ifru_data,  in ipip6_tunnel_ioctl()
1326 				   sizeof(ip6rd)))  in ipip6_tunnel_ioctl()
1330 			err = ipip6_tunnel_update_6rd(t, &ip6rd);  in ipip6_tunnel_ioctl()
1530 				    struct ip_tunnel_6rd *ip6rd)  in ipip6_netlink_6rd_parms()  argument
1533 	memset(ip6rd, 0, sizeof(*ip6rd));  in ipip6_netlink_6rd_parms()
1540 		ip6rd->prefix = nla_get_in6_addr(data[IFLA_IPTUN_6RD_PREFIX]);  in ipip6_netlink_6rd_parms()
1545 		ip6rd->relay_prefix =  in ipip6_netlink_6rd_parms()
1551 		ip6rd->prefixlen = nla_get_u16(data[IFLA_IPTUN_6RD_PREFIXLEN]);  in ipip6_netlink_6rd_parms()
1556 		ip6rd->relay_prefixlen =  in ipip6_netlink_6rd_parms()
1572 	struct ip_tunnel_6rd ip6rd;  in ipip6_newlink()  local
1602 	if (ipip6_netlink_6rd_parms(data, &ip6rd))  in ipip6_newlink()
1603 		err = ipip6_tunnel_update_6rd(nt, &ip6rd);  in ipip6_newlink()
1619 	struct ip_tunnel_6rd ip6rd;  in ipip6_changelink()  local
1650 	if (ipip6_netlink_6rd_parms(data, &ip6rd))  in ipip6_changelink()
1651 		return ipip6_tunnel_update_6rd(t, &ip6rd);  in ipip6_changelink()
1718 			     &tunnel->ip6rd.prefix) ||  in ipip6_fill_info()
1720 			    tunnel->ip6rd.relay_prefix) ||  in ipip6_fill_info()
1722 			tunnel->ip6rd.prefixlen) ||  in ipip6_fill_info()
1724 			tunnel->ip6rd.relay_prefixlen))  in ipip6_fill_info()