1 /* 2 * Copyright (C) 2002 USAGI/WIDE Project. 3 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. Neither the name of the project nor the names of its contributors 15 * may be used to endorse or promote products derived from this software 16 * without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 */ 30 31 #ifndef ICMP6_NODEINFO_H 32 #define ICMP6_NODEINFO_H 33 34 struct icmp6_nodeinfo { 35 struct icmp6_hdr icmp6_ni_hdr; 36 uint8_t icmp6_ni_nonce[8]; 37 /* could be followed by reply data */ 38 }; 39 40 #define ni_type icmp6_ni_hdr.icmp6_type 41 #define ni_code icmp6_ni_hdr.icmp6_code 42 #define ni_cksum icmp6_ni_hdr.icmp6_cksum 43 #define ni_qtype icmp6_ni_hdr.icmp6_data16[0] 44 #define ni_flags icmp6_ni_hdr.icmp6_data16[1] 45 #define ni_nonce icmp6_ni_nonce 46 47 /* ICMP6 types */ 48 #define ICMP6_NI_QUERY 139 49 #define ICMP6_NI_REPLY 140 50 51 /* ICMP6 codes for NI Query */ 52 #define ICMP6_NI_SUBJ_IPV6 0 /* Query Subject is an ipv6 address */ 53 #define ICMP6_NI_SUBJ_FQDN 1 /* Query Subject is a Domain name */ 54 #define ICMP6_NI_SUBJ_IPV4 2 /* Query Subject is an ipv4 address */ 55 56 /* ICMP6 codes for NI Reply */ 57 #define ICMP6_NI_SUCCESS 0 /* NI successful reply */ 58 #define ICMP6_NI_REFUSED 1 /* NI request is refused */ 59 #define ICMP6_NI_UNKNOWN 2 /* unknown Qtype */ 60 61 /* NI Codes */ 62 #define NI_QTYPE_NOOP 0 /* NOOP */ 63 #define NI_QTYPE_SUPTYPES 1 /* Supported Qtypes */ 64 #define NI_QTYPE_DNSNAME 2 /* DNS Name */ 65 #define NI_QTYPE_NODEADDR 3 /* Node Addresses */ 66 #define NI_QTYPE_IPV4ADDR 4 /* IPv4 Addresses */ 67 68 /* NI Flags */ 69 #if WORDS_BIGENDIAN 70 #define NI_SUPTYPE_FLAG_COMPRESS 0x1 71 #define NI_FQDN_FLAG_VALIDTTL 0x1 72 #else 73 #define NI_SUPTYPE_FLAG_COMPRESS 0x0100 74 #define NI_FQDN_FLAG_VALIDTTL 0x0100 75 #endif 76 77 #if WORDS_BIGENDIAN 78 #define NI_NODEADDR_FLAG_TRUNCATE 0x1 79 #define NI_NODEADDR_FLAG_ALL 0x2 80 #define NI_NODEADDR_FLAG_COMPAT 0x4 81 #define NI_NODEADDR_FLAG_LINKLOCAL 0x8 82 #define NI_NODEADDR_FLAG_SITELOCAL 0x10 83 #define NI_NODEADDR_FLAG_GLOBAL 0x20 84 #else 85 #define NI_NODEADDR_FLAG_TRUNCATE 0x0100 86 #define NI_NODEADDR_FLAG_ALL 0x0200 87 #define NI_NODEADDR_FLAG_COMPAT 0x0400 88 #define NI_NODEADDR_FLAG_LINKLOCAL 0x0800 89 #define NI_NODEADDR_FLAG_SITELOCAL 0x1000 90 #define NI_NODEADDR_FLAG_GLOBAL 0x2000 91 #endif 92 93 #define NI_IPV4ADDR_FLAG_TRUNCATE NI_NODEADDR_FLAG_TRUNCATE 94 #define NI_IPV4ADDR_FLAG_ALL NI_NODEADDR_FLAG_ALL 95 96 #endif 97 98