chiark / gitweb /
sd-dhcp6-client: Add DHCPv6 client Solicitation timeout handling
[elogind.git] / src / libsystemd-network / dhcp6-protocol.h
1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
2
3 #pragma once
4
5 /***
6   This file is part of systemd.
7
8   Copyright (C) 2014 Intel Corporation. All rights reserved.
9
10   systemd is free software; you can redistribute it and/or modify it
11   under the terms of the GNU Lesser General Public License as published by
12   the Free Software Foundation; either version 2.1 of the License, or
13   (at your option) any later version.
14
15   systemd is distributed in the hope that it will be useful, but
16   WITHOUT ANY WARRANTY; without even the implied warranty of
17   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18   Lesser General Public License for more details.
19
20   You should have received a copy of the GNU Lesser General Public License
21   along with systemd; If not, see <http://www.gnu.org/licenses/>.
22 ***/
23
24 #include "macro.h"
25 #include "sparse-endian.h"
26
27 struct DHCP6Message {
28         union {
29                 struct {
30                         uint8_t type;
31                         uint8_t _pad[3];
32                 } _packed_;
33                 be32_t transaction_id;
34         };
35 } _packed_;
36
37 typedef struct DHCP6Message DHCP6Message;
38
39 enum {
40         DHCP6_PORT_SERVER                       = 547,
41         DHCP6_PORT_CLIENT                       = 546,
42 };
43
44 #define DHCP6_SOL_MAX_DELAY                     1 * USEC_PER_SEC
45 #define DHCP6_SOL_TIMEOUT                       1 * USEC_PER_SEC
46 #define DHCP6_SOL_MAX_RT                        120 * USEC_PER_SEC
47
48 enum {
49         DHCP6_DUID_LLT                          = 1,
50         DHCP6_DUID_EN                           = 2,
51         DHCP6_DUID_LL                           = 3,
52         DHCP6_DUID_UUID                         = 4,
53 };
54
55 enum DHCP6State {
56         DHCP6_STATE_STOPPED                     = 0,
57         DHCP6_STATE_RS                          = 1,
58         DHCP6_STATE_SOLICITATION                = 2,
59 };
60
61 enum {
62         DHCP6_SOLICIT                           = 1,
63         DHCP6_ADVERTISE                         = 2,
64         DHCP6_REQUEST                           = 3,
65         DHCP6_CONFIRM                           = 4,
66         DHCP6_RENEW                             = 5,
67         DHCP6_REBIND                            = 6,
68         DHCP6_REPLY                             = 7,
69         DHCP6_RELEASE                           = 8,
70         DHCP6_DECLINE                           = 9,
71         DHCP6_RECONFIGURE                       = 10,
72         DHCP6_INFORMATION_REQUEST               = 11,
73         DHCP6_RELAY_FORW                        = 12,
74         DHCP6_RELAY_REPL                        = 13,
75         _DHCP6_MESSAGE_MAX                      = 14,
76 };
77
78 enum {
79         DHCP6_OPTION_CLIENTID                   = 1,
80         DHCP6_OPTION_SERVERID                   = 2,
81         DHCP6_OPTION_IA_NA                      = 3,
82         DHCP6_OPTION_IA_TA                      = 4,
83         DHCP6_OPTION_IAADDR                     = 5,
84         DHCP6_OPTION_ORO                        = 6,
85         DHCP6_OPTION_PREFERENCE                 = 7,
86         DHCP6_OPTION_ELAPSED_TIME               = 8,
87         DHCP6_OPTION_RELAY_MSG                  = 9,
88         /* option code 10 is unassigned */
89         DHCP6_OPTION_AUTH                       = 11,
90         DHCP6_OPTION_UNICAST                    = 12,
91         DHCP6_OPTION_STATUS_CODE                = 13,
92         DHCP6_OPTION_RAPID_COMMIT               = 14,
93         DHCP6_OPTION_USER_CLASS                 = 15,
94         DHCP6_OPTION_VENDOR_CLASS               = 16,
95         DHCP6_OPTION_VENDOR_OPTS                = 17,
96         DHCP6_OPTION_INTERFACE_ID               = 18,
97         DHCP6_OPTION_RECONF_MSG                 = 19,
98         DHCP6_OPTION_RECONF_ACCEPT              = 20,
99 };
100
101 enum {
102         DHCP6_STATUS_SUCCESS                    = 0,
103         DHCP6_STATUS_UNSPEC_FAIL                = 1,
104         DHCP6_STATUS_NO_ADDRS_AVAIL             = 2,
105         DHCP6_STATUS_NO_BINDING                 = 3,
106         DHCP6_STATUS_NOT_ON_LINK                = 4,
107         DHCP6_STATUS_USE_MULTICAST              = 5,
108         _DHCP6_STATUS_MAX                       = 6,
109 };