Annotation of embedaddon/dhcp/includes/dhcp6.h, revision 1.1.1.1

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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