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vmspawn: Run auxiliary daemons inside scope instead of separate service (#38047)
[thirdparty/systemd.git] / src / libsystemd-network / dhcp6-protocol.h
CommitLineData
db9ecf05 1/* SPDX-License-Identifier: LGPL-2.1-or-later */
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2#pragma once
3
4/***
810adae9 5 Copyright © 2014 Intel Corporation. All rights reserved.
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6***/
7
5cdf13c7 8#include "forward.h"
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9#include "sparse-endian.h"
10
11struct DHCP6Message {
12 union {
13 struct {
14 uint8_t type;
15 uint8_t _pad[3];
16 } _packed_;
17 be32_t transaction_id;
18 };
3bc424a3 19 uint8_t options[];
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20} _packed_;
21
22typedef struct DHCP6Message DHCP6Message;
23
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24#define DHCP6_MIN_OPTIONS_SIZE \
25 1280 - sizeof(struct ip6_hdr) - sizeof(struct udphdr)
26
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27#define IN6_ADDR_ALL_DHCP6_RELAY_AGENTS_AND_SERVERS \
28 ((const struct in6_addr) { { { \
29 0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
30 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x02, \
31 } } } )
34e8c5a2 32
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33enum {
34 DHCP6_PORT_SERVER = 547,
35 DHCP6_PORT_CLIENT = 546,
36};
37
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38#define DHCP6_INF_TIMEOUT (1 * USEC_PER_SEC)
39#define DHCP6_INF_MAX_RT (120 * USEC_PER_SEC)
40#define DHCP6_SOL_MAX_DELAY (1 * USEC_PER_SEC)
41#define DHCP6_SOL_TIMEOUT (1 * USEC_PER_SEC)
42#define DHCP6_SOL_MAX_RT (120 * USEC_PER_SEC)
43#define DHCP6_REQ_TIMEOUT (1 * USEC_PER_SEC)
44#define DHCP6_REQ_MAX_RT (120 * USEC_PER_SEC)
7246333c 45#define DHCP6_REQ_MAX_RC 10
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46#define DHCP6_REN_TIMEOUT (10 * USEC_PER_SEC)
47#define DHCP6_REN_MAX_RT (600 * USEC_PER_SEC)
48#define DHCP6_REB_TIMEOUT (10 * USEC_PER_SEC)
49#define DHCP6_REB_MAX_RT (600 * USEC_PER_SEC)
d1b0afe3 50
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51typedef enum DHCP6State {
52 DHCP6_STATE_STOPPED,
53 DHCP6_STATE_INFORMATION_REQUEST,
54 DHCP6_STATE_SOLICITATION,
55 DHCP6_STATE_REQUEST,
56 DHCP6_STATE_BOUND,
57 DHCP6_STATE_RENEW,
58 DHCP6_STATE_REBIND,
b895aa5f 59 DHCP6_STATE_STOPPING,
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60 _DHCP6_STATE_MAX,
61 _DHCP6_STATE_INVALID = -EINVAL,
62} DHCP6State;
139b011a 63
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64/* https://www.iana.org/assignments/dhcpv6-parameters/dhcpv6-parameters.xhtml#dhcpv6-parameters-1 */
65typedef enum DHCP6MessageType {
66 DHCP6_MESSAGE_SOLICIT = 1, /* RFC 8415 */
67 DHCP6_MESSAGE_ADVERTISE = 2, /* RFC 8415 */
68 DHCP6_MESSAGE_REQUEST = 3, /* RFC 8415 */
69 DHCP6_MESSAGE_CONFIRM = 4, /* RFC 8415 */
70 DHCP6_MESSAGE_RENEW = 5, /* RFC 8415 */
71 DHCP6_MESSAGE_REBIND = 6, /* RFC 8415 */
72 DHCP6_MESSAGE_REPLY = 7, /* RFC 8415 */
73 DHCP6_MESSAGE_RELEASE = 8, /* RFC 8415 */
74 DHCP6_MESSAGE_DECLINE = 9, /* RFC 8415 */
75 DHCP6_MESSAGE_RECONFIGURE = 10, /* RFC 8415 */
76 DHCP6_MESSAGE_INFORMATION_REQUEST = 11, /* RFC 8415 */
77 DHCP6_MESSAGE_RELAY_FORWARD = 12, /* RFC 8415 */
78 DHCP6_MESSAGE_RELAY_REPLY = 13, /* RFC 8415 */
79 DHCP6_MESSAGE_LEASE_QUERY = 14, /* RFC 5007 */
80 DHCP6_MESSAGE_LEASE_QUERY_REPLY = 15, /* RFC 5007 */
81 DHCP6_MESSAGE_LEASE_QUERY_DONE = 16, /* RFC 5460 */
82 DHCP6_MESSAGE_LEASE_QUERY_DATA = 17, /* RFC 5460 */
83 DHCP6_MESSAGE_RECONFIGURE_REQUEST = 18, /* RFC 6977 */
84 DHCP6_MESSAGE_RECONFIGURE_REPLY = 19, /* RFC 6977 */
85 DHCP6_MESSAGE_DHCPV4_QUERY = 20, /* RFC 7341 */
86 DHCP6_MESSAGE_DHCPV4_RESPONSE = 21, /* RFC 7341 */
87 DHCP6_MESSAGE_ACTIVE_LEASE_QUERY = 22, /* RFC 7653 */
88 DHCP6_MESSAGE_START_TLS = 23, /* RFC 7653 */
89 DHCP6_MESSAGE_BINDING_UPDATE = 24, /* RFC 8156 */
90 DHCP6_MESSAGE_BINDING_REPLY = 25, /* RFC 8156 */
91 DHCP6_MESSAGE_POOL_REQUEST = 26, /* RFC 8156 */
92 DHCP6_MESSAGE_POOL_RESPONSE = 27, /* RFC 8156 */
93 DHCP6_MESSAGE_UPDATE_REQUEST = 28, /* RFC 8156 */
94 DHCP6_MESSAGE_UPDATE_REQUEST_ALL = 29, /* RFC 8156 */
95 DHCP6_MESSAGE_UPDATE_DONE = 30, /* RFC 8156 */
96 DHCP6_MESSAGE_CONNECT = 31, /* RFC 8156 */
97 DHCP6_MESSAGE_CONNECT_REPLY = 32, /* RFC 8156 */
98 DHCP6_MESSAGE_DISCONNECT = 33, /* RFC 8156 */
99 DHCP6_MESSAGE_STATE = 34, /* RFC 8156 */
100 DHCP6_MESSAGE_CONTACT = 35, /* RFC 8156 */
101 _DHCP6_MESSAGE_TYPE_MAX,
3f09d563 102 _DHCP6_MESSAGE_TYPE_INVALID = -EINVAL,
59f1ded8 103} DHCP6MessageType;
139b011a 104
dd5e9378 105typedef enum DHCP6NTPSubOption {
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106 DHCP6_NTP_SUBOPTION_SRV_ADDR = 1,
107 DHCP6_NTP_SUBOPTION_MC_ADDR = 2,
108 DHCP6_NTP_SUBOPTION_SRV_FQDN = 3,
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109 _DHCP6_NTP_SUBOPTION_MAX,
110 _DHCP6_NTP_SUBOPTION_INVALID = -EINVAL,
dd5e9378 111} DHCP6NTPSubOption;
6599680e 112
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113/*
114 * RFC 8415, RFC 5007 and RFC 7653 status codes:
115 * https://www.iana.org/assignments/dhcpv6-parameters/dhcpv6-parameters.xhtml#dhcpv6-parameters-5
116 */
dd5e9378 117typedef enum DHCP6Status {
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118 DHCP6_STATUS_SUCCESS = 0,
119 DHCP6_STATUS_UNSPEC_FAIL = 1,
120 DHCP6_STATUS_NO_ADDRS_AVAIL = 2,
121 DHCP6_STATUS_NO_BINDING = 3,
122 DHCP6_STATUS_NOT_ON_LINK = 4,
123 DHCP6_STATUS_USE_MULTICAST = 5,
124 DHCP6_STATUS_NO_PREFIX_AVAIL = 6,
125 DHCP6_STATUS_UNKNOWN_QUERY_TYPE = 7,
126 DHCP6_STATUS_MALFORMED_QUERY = 8,
127 DHCP6_STATUS_NOT_CONFIGURED = 9,
128 DHCP6_STATUS_NOT_ALLOWED = 10,
129 DHCP6_STATUS_QUERY_TERMINATED = 11,
130 DHCP6_STATUS_DATA_MISSING = 12,
131 DHCP6_STATUS_CATCHUP_COMPLETE = 13,
132 DHCP6_STATUS_NOT_SUPPORTED = 14,
133 DHCP6_STATUS_TLS_CONNECTION_REFUSED = 15,
134 DHCP6_STATUS_ADDRESS_IN_USE = 16,
135 DHCP6_STATUS_CONFIGURATION_CONFLICT = 17,
136 DHCP6_STATUS_MISSING_BINDING_INFORMATION = 18,
137 DHCP6_STATUS_OUTDATED_BINDING_INFORMATION = 19,
138 DHCP6_STATUS_SERVER_SHUTTING_DOWN = 20,
139 DHCP6_STATUS_DNS_UPDATE_NOT_SUPPORTED = 21,
140 DHCP6_STATUS_EXCESSIVE_TIME_SKEW = 22,
dd5e9378 141 _DHCP6_STATUS_MAX,
3f09d563 142 _DHCP6_STATUS_INVALID = -EINVAL,
dd5e9378 143} DHCP6Status;
8006aa32 144
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145typedef enum DHCP6FQDNFlag {
146 DHCP6_FQDN_FLAG_S = 1 << 0,
147 DHCP6_FQDN_FLAG_O = 1 << 1,
148 DHCP6_FQDN_FLAG_N = 1 << 2,
149} DHCP6FQDNFlag;
3f09d563 150
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151const char* dhcp6_state_to_string(DHCP6State s) _const_;
152const char* dhcp6_message_type_to_string(DHCP6MessageType s) _const_;
3f09d563 153DHCP6MessageType dhcp6_message_type_from_string(const char *s) _pure_;
bfd5a068 154const char* dhcp6_message_status_to_string(DHCP6Status s) _const_;
3f09d563 155DHCP6Status dhcp6_message_status_from_string(const char *s) _pure_;
1929c1fc 156int dhcp6_message_status_to_errno(DHCP6Status s);