Annotation of embedaddon/dhcp/includes/dhcp6.h, revision 1.1
1.1 ! misho 1: /* dhcp6.h
! 2:
! 3: DHCPv6 Protocol structures... */
! 4:
! 5: /*
! 6: * Copyright (c) 2006-2010 by Internet Systems Consortium, Inc. ("ISC")
! 7: *
! 8: * Permission to use, copy, modify, and distribute this software for any
! 9: * purpose with or without fee is hereby granted, provided that the above
! 10: * copyright notice and this permission notice appear in all copies.
! 11: *
! 12: * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
! 13: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
! 14: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR
! 15: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
! 16: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
! 17: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
! 18: * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
! 19: *
! 20: * Internet Systems Consortium, Inc.
! 21: * 950 Charter Street
! 22: * Redwood City, CA 94063
! 23: * <info@isc.org>
! 24: * https://www.isc.org/
! 25: */
! 26:
! 27:
! 28: /* DHCPv6 Option codes: */
! 29:
! 30: #define D6O_CLIENTID 1 /* RFC3315 */
! 31: #define D6O_SERVERID 2
! 32: #define D6O_IA_NA 3
! 33: #define D6O_IA_TA 4
! 34: #define D6O_IAADDR 5
! 35: #define D6O_ORO 6
! 36: #define D6O_PREFERENCE 7
! 37: #define D6O_ELAPSED_TIME 8
! 38: #define D6O_RELAY_MSG 9
! 39: /* Option code 10 unassigned. */
! 40: #define D6O_AUTH 11
! 41: #define D6O_UNICAST 12
! 42: #define D6O_STATUS_CODE 13
! 43: #define D6O_RAPID_COMMIT 14
! 44: #define D6O_USER_CLASS 15
! 45: #define D6O_VENDOR_CLASS 16
! 46: #define D6O_VENDOR_OPTS 17
! 47: #define D6O_INTERFACE_ID 18
! 48: #define D6O_RECONF_MSG 19
! 49: #define D6O_RECONF_ACCEPT 20
! 50: #define D6O_SIP_SERVERS_DNS 21 /* RFC3319 */
! 51: #define D6O_SIP_SERVERS_ADDR 22 /* RFC3319 */
! 52: #define D6O_NAME_SERVERS 23 /* RFC3646 */
! 53: #define D6O_DOMAIN_SEARCH 24 /* RFC3646 */
! 54: #define D6O_IA_PD 25 /* RFC3633 */
! 55: #define D6O_IAPREFIX 26 /* RFC3633 */
! 56: #define D6O_NIS_SERVERS 27 /* RFC3898 */
! 57: #define D6O_NISP_SERVERS 28 /* RFC3898 */
! 58: #define D6O_NIS_DOMAIN_NAME 29 /* RFC3898 */
! 59: #define D6O_NISP_DOMAIN_NAME 30 /* RFC3898 */
! 60: #define D6O_SNTP_SERVERS 31 /* RFC4075 */
! 61: #define D6O_INFORMATION_REFRESH_TIME 32 /* RFC4242 */
! 62: #define D6O_BCMCS_SERVER_D 33 /* RFC4280 */
! 63: #define D6O_BCMCS_SERVER_A 34 /* RFC4280 */
! 64: /* 35 is unassigned */
! 65: #define D6O_GEOCONF_CIVIC 36 /* RFC4776 */
! 66: #define D6O_REMOTE_ID 37 /* RFC4649 */
! 67: #define D6O_SUBSCRIBER_ID 38 /* RFC4580 */
! 68: #define D6O_CLIENT_FQDN 39 /* RFC4704 */
! 69: #define D6O_PANA_AGENT 40 /* paa-option */
! 70: #define D6O_NEW_POSIX_TIMEZONE 41 /* RFC4833 */
! 71: #define D6O_NEW_TZDB_TIMEZONE 42 /* RFC4833 */
! 72: #define D6O_ERO 43 /* RFC4994 */
! 73: #define D6O_LQ_QUERY 44 /* RFC5007 */
! 74: #define D6O_CLIENT_DATA 45 /* RFC5007 */
! 75: #define D6O_CLT_TIME 46 /* RFC5007 */
! 76: #define D6O_LQ_RELAY_DATA 47 /* RFC5007 */
! 77: #define D6O_LQ_CLIENT_LINK 48 /* RFC5007 */
! 78:
! 79: /*
! 80: * Status Codes, from RFC 3315 section 24.4, and RFC 3633, 5007.
! 81: */
! 82: #define STATUS_Success 0
! 83: #define STATUS_UnspecFail 1
! 84: #define STATUS_NoAddrsAvail 2
! 85: #define STATUS_NoBinding 3
! 86: #define STATUS_NotOnLink 4
! 87: #define STATUS_UseMulticast 5
! 88: #define STATUS_NoPrefixAvail 6
! 89: #define STATUS_UnknownQueryType 7
! 90: #define STATUS_MalformedQuery 8
! 91: #define STATUS_NotConfigured 9
! 92: #define STATUS_NotAllowed 10
! 93:
! 94: /*
! 95: * DHCPv6 message types, defined in section 5.3 of RFC 3315
! 96: */
! 97: #define DHCPV6_SOLICIT 1
! 98: #define DHCPV6_ADVERTISE 2
! 99: #define DHCPV6_REQUEST 3
! 100: #define DHCPV6_CONFIRM 4
! 101: #define DHCPV6_RENEW 5
! 102: #define DHCPV6_REBIND 6
! 103: #define DHCPV6_REPLY 7
! 104: #define DHCPV6_RELEASE 8
! 105: #define DHCPV6_DECLINE 9
! 106: #define DHCPV6_RECONFIGURE 10
! 107: #define DHCPV6_INFORMATION_REQUEST 11
! 108: #define DHCPV6_RELAY_FORW 12
! 109: #define DHCPV6_RELAY_REPL 13
! 110: #define DHCPV6_LEASEQUERY 14
! 111: #define DHCPV6_LEASEQUERY_REPLY 15
! 112:
! 113: extern const char *dhcpv6_type_names[];
! 114: extern const int dhcpv6_type_name_max;
! 115:
! 116: /* DUID type definitions (RFC3315 section 9).
! 117: */
! 118: #define DUID_LLT 1
! 119: #define DUID_EN 2
! 120: #define DUID_LL 3
! 121:
! 122: /* Offsets into IA_*'s where Option spaces commence. */
! 123: #define IA_NA_OFFSET 12 /* IAID, T1, T2, all 4 octets each */
! 124: #define IA_TA_OFFSET 4 /* IAID only, 4 octets */
! 125: #define IA_PD_OFFSET 12 /* IAID, T1, T2, all 4 octets each */
! 126:
! 127: /* Offset into IAADDR's where Option spaces commence. */
! 128: #define IAADDR_OFFSET 24
! 129:
! 130: /* Offset into IAPREFIX's where Option spaces commence. */
! 131: #define IAPREFIX_OFFSET 25
! 132:
! 133: /* Offset into LQ_QUERY's where Option spaces commence. */
! 134: #define LQ_QUERY_OFFSET 17
! 135:
! 136: /*
! 137: * DHCPv6 well-known multicast addressess, from section 5.1 of RFC 3315
! 138: */
! 139: #define All_DHCP_Relay_Agents_and_Servers "FF02::1:2"
! 140: #define All_DHCP_Servers "FF05::1:3"
! 141:
! 142: /*
! 143: * DHCPv6 Retransmission Constants (RFC3315 section 5.5, RFC 5007)
! 144: */
! 145:
! 146: #define SOL_MAX_DELAY 1
! 147: #define SOL_TIMEOUT 1
! 148: #define SOL_MAX_RT 120
! 149: #define REQ_TIMEOUT 1
! 150: #define REQ_MAX_RT 30
! 151: #define REQ_MAX_RC 10
! 152: #define CNF_MAX_DELAY 1
! 153: #define CNF_TIMEOUT 1
! 154: #define CNF_MAX_RT 4
! 155: #define CNF_MAX_RD 10
! 156: #define REN_TIMEOUT 10
! 157: #define REN_MAX_RT 600
! 158: #define REB_TIMEOUT 10
! 159: #define REB_MAX_RT 600
! 160: #define INF_MAX_DELAY 1
! 161: #define INF_TIMEOUT 1
! 162: #define INF_MAX_RT 120
! 163: #define REL_TIMEOUT 1
! 164: #define REL_MAX_RC 5
! 165: #define DEC_TIMEOUT 1
! 166: #define DEC_MAX_RC 5
! 167: #define REC_TIMEOUT 2
! 168: #define REC_MAX_RC 8
! 169: #define HOP_COUNT_LIMIT 32
! 170: #define LQ6_TIMEOUT 1
! 171: #define LQ6_MAX_RT 10
! 172: #define LQ6_MAX_RC 5
! 173:
! 174: /*
! 175: * Normal packet format, defined in section 6 of RFC 3315
! 176: */
! 177: struct dhcpv6_packet {
! 178: unsigned char msg_type;
! 179: unsigned char transaction_id[3];
! 180: unsigned char options[FLEXIBLE_ARRAY_MEMBER];
! 181: };
! 182:
! 183: /* Offset into DHCPV6 Reply packets where Options spaces commence. */
! 184: #define REPLY_OPTIONS_INDEX 4
! 185:
! 186: /*
! 187: * Relay packet format, defined in section 7 of RFC 3315
! 188: */
! 189: struct dhcpv6_relay_packet {
! 190: unsigned char msg_type;
! 191: unsigned char hop_count;
! 192: unsigned char link_address[16];
! 193: unsigned char peer_address[16];
! 194: unsigned char options[FLEXIBLE_ARRAY_MEMBER];
! 195: };
! 196:
! 197: /* Leasequery query-types (RFC 5007) */
! 198:
! 199: #define LQ6QT_BY_ADDRESS 1
! 200: #define LQ6QT_BY_CLIENTID 2
! 201:
! 202: /*
! 203: * DUID time starts 2000-01-01.
! 204: * This constant is the number of seconds since 1970-01-01,
! 205: * when the Unix epoch began.
! 206: */
! 207: #define DUID_TIME_EPOCH 946684800
! 208:
! 209: /* Information-Request Time option (RFC 4242) */
! 210:
! 211: #define IRT_DEFAULT 86400
! 212: #define IRT_MINIMUM 600
! 213:
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