/* $NetBSD: dhcp6.h,v 1.2.6.1 2024/02/29 11:39:19 martin Exp $ */ /* dhcp6.h DHCPv6 Protocol structures... */ /* * Copyright (C) 2006-2022 Internet Systems Consortium, Inc. ("ISC") * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. * * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. * * Internet Systems Consortium, Inc. * PO Box 360 * Newmarket, NH 03857 USA * * https://www.isc.org/ */ /* DHCPv6 Option codes: */ #define D6O_CLIENTID 1 /* RFC3315 */ #define D6O_SERVERID 2 #define D6O_IA_NA 3 #define D6O_IA_TA 4 #define D6O_IAADDR 5 #define D6O_ORO 6 #define D6O_PREFERENCE 7 #define D6O_ELAPSED_TIME 8 #define D6O_RELAY_MSG 9 /* Option code 10 unassigned. */ #define D6O_AUTH 11 #define D6O_UNICAST 12 #define D6O_STATUS_CODE 13 #define D6O_RAPID_COMMIT 14 #define D6O_USER_CLASS 15 #define D6O_VENDOR_CLASS 16 #define D6O_VENDOR_OPTS 17 #define D6O_INTERFACE_ID 18 #define D6O_RECONF_MSG 19 #define D6O_RECONF_ACCEPT 20 #define D6O_SIP_SERVERS_DNS 21 /* RFC3319 */ #define D6O_SIP_SERVERS_ADDR 22 /* RFC3319 */ #define D6O_NAME_SERVERS 23 /* RFC3646 */ #define D6O_DOMAIN_SEARCH 24 /* RFC3646 */ #define D6O_IA_PD 25 /* RFC3633 */ #define D6O_IAPREFIX 26 /* RFC3633 */ #define D6O_NIS_SERVERS 27 /* RFC3898 */ #define D6O_NISP_SERVERS 28 /* RFC3898 */ #define D6O_NIS_DOMAIN_NAME 29 /* RFC3898 */ #define D6O_NISP_DOMAIN_NAME 30 /* RFC3898 */ #define D6O_SNTP_SERVERS 31 /* RFC4075 */ #define D6O_INFORMATION_REFRESH_TIME 32 /* RFC4242 */ #define D6O_BCMCS_SERVER_D 33 /* RFC4280 */ #define D6O_BCMCS_SERVER_A 34 /* RFC4280 */ /* 35 is unassigned */ #define D6O_GEOCONF_CIVIC 36 /* RFC4776 */ #define D6O_REMOTE_ID 37 /* RFC4649 */ #define D6O_SUBSCRIBER_ID 38 /* RFC4580 */ #define D6O_CLIENT_FQDN 39 /* RFC4704 */ #define D6O_PANA_AGENT 40 /* paa-option */ #define D6O_NEW_POSIX_TIMEZONE 41 /* RFC4833 */ #define D6O_NEW_TZDB_TIMEZONE 42 /* RFC4833 */ #define D6O_ERO 43 /* RFC4994 */ #define D6O_LQ_QUERY 44 /* RFC5007 */ #define D6O_CLIENT_DATA 45 /* RFC5007 */ #define D6O_CLT_TIME 46 /* RFC5007 */ #define D6O_LQ_RELAY_DATA 47 /* RFC5007 */ #define D6O_LQ_CLIENT_LINK 48 /* RFC5007 */ #define D6O_MIP6_HNIDF 49 /* RFC6610 */ #define D6O_MIP6_VDINF 50 /* RFC6610 */ #define D6O_V6_LOST 51 /* RFC5223 */ #define D6O_CAPWAP_AC_V6 52 /* RFC5417 */ #define D6O_RELAY_ID 53 /* RFC5460 */ #define D6O_IPV6_ADDRESS_MOS 54 /* RFC5678 */ #define D6O_IPV6_FQDN_MOS 55 /* RFC5678 */ #define D6O_NTP_SERVER 56 /* RFC5908 */ #define D6O_V6_ACCESS_DOMAIN 57 /* RFC5986 */ #define D6O_SIP_UA_CS_LIST 58 /* RFC6011 */ #define D6O_BOOTFILE_URL 59 /* RFC5970 */ #define D6O_BOOTFILE_PARAM 60 /* RFC5970 */ #define D6O_CLIENT_ARCH_TYPE 61 /* RFC5970 */ #define D6O_NII 62 /* RFC5970 */ #define D6O_GEOLOCATION 63 /* RFC6225 */ #define D6O_AFTR_NAME 64 /* RFC6334 */ #define D6O_ERP_LOCAL_DOMAIN_NAME 65 /* RFC6440 */ #define D6O_RSOO 66 /* RFC6422 */ #define D6O_PD_EXCLUDE 67 /* RFC6603 */ #define D6O_VSS 68 /* RFC6607 */ #define D6O_MIP6_IDINF 69 /* RFC6610 */ #define D6O_MIP6_UDINF 70 /* RFC6610 */ #define D6O_MIP6_HNP 71 /* RFC6610 */ #define D6O_MIP6_HAA 72 /* RFC6610 */ #define D6O_MIP6_HAF 73 /* RFC6610 */ #define D6O_RDNSS_SELECTION 74 /* RFC6731 */ #define D6O_KRB_PRINCIPAL_NAME 75 /* RFC6784 */ #define D6O_KRB_REALM_NAME 76 /* RFC6784 */ #define D6O_KRB_DEFAULT_REALM_NAME 77 /* RFC6784 */ #define D6O_KRB_KDC 78 /* RFC6784 */ #define D6O_CLIENT_LINKLAYER_ADDR 79 /* RFC6939 */ #define D6O_LINK_ADDRESS 80 /* RFC6977 */ #define D6O_RADIUS 81 /* RFC7037 */ #define D6O_SOL_MAX_RT 82 /* RFC7083 */ #define D6O_INF_MAX_RT 83 /* RFC7083 */ #define D6O_ADDRSEL 84 /* RFC7078 */ #define D6O_ADDRSEL_TABLE 85 /* RFC7078 */ #define D6O_V6_PCP_SERVER 86 /* RFC7291 */ #define D6O_DHCPV4_MSG 87 /* RFC7341 */ #define D6O_DHCP4_O_DHCP6_SERVER 88 /* RFC7341 */ /* not yet assigned but next free value */ #define D6O_RELAY_SOURCE_PORT 135 /* I-D */ /* * Status Codes, from RFC 3315 section 24.4, and RFC 3633, 5007, 5460. */ #define STATUS_Success 0 #define STATUS_UnspecFail 1 #define STATUS_NoAddrsAvail 2 #define STATUS_NoBinding 3 #define STATUS_NotOnLink 4 #define STATUS_UseMulticast 5 #define STATUS_NoPrefixAvail 6 #define STATUS_UnknownQueryType 7 #define STATUS_MalformedQuery 8 #define STATUS_NotConfigured 9 #define STATUS_NotAllowed 10 #define STATUS_QueryTerminated 11 /* * DHCPv6 message types, defined in section 5.3 of RFC 3315 */ #define DHCPV6_SOLICIT 1 #define DHCPV6_ADVERTISE 2 #define DHCPV6_REQUEST 3 #define DHCPV6_CONFIRM 4 #define DHCPV6_RENEW 5 #define DHCPV6_REBIND 6 #define DHCPV6_REPLY 7 #define DHCPV6_RELEASE 8 #define DHCPV6_DECLINE 9 #define DHCPV6_RECONFIGURE 10 #define DHCPV6_INFORMATION_REQUEST 11 #define DHCPV6_RELAY_FORW 12 #define DHCPV6_RELAY_REPL 13 #define DHCPV6_LEASEQUERY 14 /* RFC5007 */ #define DHCPV6_LEASEQUERY_REPLY 15 /* RFC5007 */ #define DHCPV6_LEASEQUERY_DONE 16 /* RFC5460 */ #define DHCPV6_LEASEQUERY_DATA 17 /* RFC5460 */ #define DHCPV6_RECONFIGURE_REQUEST 18 /* RFC6977 */ #define DHCPV6_RECONFIGURE_REPLY 19 /* RFC6977 */ #define DHCPV6_DHCPV4_QUERY 20 /* RFC7341 */ #define DHCPV6_DHCPV4_RESPONSE 21 /* RFC7341 */ extern const char *dhcpv6_type_names[]; extern const int dhcpv6_type_name_max; /* DUID type definitions (RFC3315 section 9). */ #define DUID_LLT 1 #define DUID_EN 2 #define DUID_LL 3 #define DUID_UUID 4 /* RFC6355 */ /* Offsets into IA_*'s where Option spaces commence. */ #define IA_NA_OFFSET 12 /* IAID, T1, T2, all 4 octets each */ #define IA_TA_OFFSET 4 /* IAID only, 4 octets */ #define IA_PD_OFFSET 12 /* IAID, T1, T2, all 4 octets each */ /* Offset into IAADDR's where Option spaces commence. */ #define IAADDR_OFFSET 24 /* Offset into IAPREFIX's where Option spaces commence. */ #define IAPREFIX_OFFSET 25 /* Offset into LQ_QUERY's where Option spaces commence. */ #define LQ_QUERY_OFFSET 17 /* * DHCPv6 well-known multicast addressess, from section 5.1 of RFC 3315 */ #define All_DHCP_Relay_Agents_and_Servers "FF02::1:2" #define All_DHCP_Servers "FF05::1:3" /* * DHCPv6 Retransmission Constants (RFC3315 section 5.5, RFC 5007) */ #define SOL_MAX_DELAY 1 #define SOL_TIMEOUT 1 #define SOL_MAX_RT 120 #define REQ_TIMEOUT 1 #define REQ_MAX_RT 30 #define REQ_MAX_RC 10 #define CNF_MAX_DELAY 1 #define CNF_TIMEOUT 1 #define CNF_MAX_RT 4 #define CNF_MAX_RD 10 #define REN_TIMEOUT 10 #define REN_MAX_RT 600 #define REB_TIMEOUT 10 #define REB_MAX_RT 600 #define INF_MAX_DELAY 1 #define INF_TIMEOUT 1 #define INF_MAX_RT 120 #define REL_TIMEOUT 1 #define REL_MAX_RC 5 #define DEC_TIMEOUT 1 #define DEC_MAX_RC 5 #define REC_TIMEOUT 2 #define REC_MAX_RC 8 #define HOP_COUNT_LIMIT 32 #define LQ6_TIMEOUT 1 #define LQ6_MAX_RT 10 #define LQ6_MAX_RC 5 /* * Normal packet format, defined in section 6 of RFC 3315 */ struct dhcpv6_packet { unsigned char msg_type; unsigned char transaction_id[3]; unsigned char options[FLEXIBLE_ARRAY_MEMBER]; }; /* Offset into DHCPV6 Reply packets where Options spaces commence. */ #define REPLY_OPTIONS_INDEX 4 /* * Relay packet format, defined in section 7 of RFC 3315 */ struct dhcpv6_relay_packet { unsigned char msg_type; unsigned char hop_count; unsigned char link_address[16]; unsigned char peer_address[16]; unsigned char options[FLEXIBLE_ARRAY_MEMBER]; }; #define MAX_V6RELAY_HOPS 32 /* * DHCPv4-over-DHCPv6 packet format, defined in RFC 4731 */ struct dhcpv4_over_dhcpv6_packet { unsigned char msg_type; unsigned char flags[3]; unsigned char options[FLEXIBLE_ARRAY_MEMBER]; }; #define DHCP4O6_QUERY_UNICAST 128 /* DHCPv4-over-DHCPv6 ISC vendor suboptions */ #define D4O6_INTERFACE 60000 #define D4O6_SRC_ADDRESS 60001 /* Leasequery query-types (RFC 5007, 5460) */ #define LQ6QT_BY_ADDRESS 1 #define LQ6QT_BY_CLIENTID 2 #define LQ6QT_BY_RELAY_ID 3 #define LQ6QT_BY_LINK_ADDRESS 4 #define LQ6QT_BY_REMOTE_ID 5 /* * DUID time starts 2000-01-01. * This constant is the number of seconds since 1970-01-01, * when the Unix epoch began. */ #define DUID_TIME_EPOCH 946684800 /* Information-Request Time option (RFC 4242) */ #define IRT_DEFAULT 86400 #define IRT_MINIMUM 600 #define EUI_64_ID_LEN 12 /* 2 for duid-type, 2 for hardware type, 8 for ID */ #define IAID_LEN 4 /* Offsets with iasubopt wire data of data values for IA_NA and TA */ #define IASUBOPT_NA_ADDR_OFFSET 0 #define IASUBOPT_NA_PREF_OFFSET 16 #define IASUBOPT_NA_VALID_OFFSET 20 #define IASUBOPT_NA_LEN 24 /* Offsets with iasubopt wire data of data values for PD */ #define IASUBOPT_PD_PREF_OFFSET 0 #define IASUBOPT_PD_VALID_OFFSET 4 #define IASUBOPT_PD_PREFLEN_OFFSET 8 #define IASUBOPT_PD_PREFIX_OFFSET 9 #define IASUBOPT_PD_LEN 25