[thirdparty/systemd.git] / src / libsystemd-network / dhcp6-protocol.h

/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/

#pragma once

/***
  This file is part of systemd.

  Copyright (C) 2014 Intel Corporation. All rights reserved.

  systemd is free software; you can redistribute it and/or modify it
  under the terms of the GNU Lesser General Public License as published by
  the Free Software Foundation; either version 2.1 of the License, or
  (at your option) any later version.

  systemd is distributed in the hope that it will be useful, but
  WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  Lesser General Public License for more details.

  You should have received a copy of the GNU Lesser General Public License
  along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/

#include <netinet/ip6.h>
#include <netinet/udp.h>

#include "macro.h"
#include "sparse-endian.h"

struct DHCP6Message {
        union {
                struct {
                        uint8_t type;
                        uint8_t _pad[3];
                } _packed_;
                be32_t transaction_id;
        };
} _packed_;

typedef struct DHCP6Message DHCP6Message;

#define DHCP6_MIN_OPTIONS_SIZE \
        1280 - sizeof(struct ip6_hdr) - sizeof(struct udphdr)

#define IN6ADDR_ALL_DHCP6_RELAY_AGENTS_AND_SERVERS_INIT \
        { { { 0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
              0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x02 } } }

enum {
        DHCP6_PORT_SERVER                       = 547,
        DHCP6_PORT_CLIENT                       = 546,
};

#define DHCP6_INF_TIMEOUT                       1 * USEC_PER_SEC
#define DHCP6_INF_MAX_RT                        120 * USEC_PER_SEC
#define DHCP6_SOL_MAX_DELAY                     1 * USEC_PER_SEC
#define DHCP6_SOL_TIMEOUT                       1 * USEC_PER_SEC
#define DHCP6_SOL_MAX_RT                        120 * USEC_PER_SEC
#define DHCP6_REQ_TIMEOUT                       1 * USEC_PER_SEC
#define DHCP6_REQ_MAX_RT                        120 * USEC_PER_SEC
#define DHCP6_REQ_MAX_RC                        10
#define DHCP6_REN_TIMEOUT                       10 * USEC_PER_SEC
#define DHCP6_REN_MAX_RT                        600 * USEC_PER_SEC
#define DHCP6_REB_TIMEOUT                       10 * USEC_PER_SEC
#define DHCP6_REB_MAX_RT                        600 * USEC_PER_SEC

enum {
        DHCP6_DUID_LLT                          = 1,
        DHCP6_DUID_EN                           = 2,
        DHCP6_DUID_LL                           = 3,
        DHCP6_DUID_UUID                         = 4,
};

enum DHCP6State {
        DHCP6_STATE_STOPPED                     = 0,
        DHCP6_STATE_INFORMATION_REQUEST         = 1,
        DHCP6_STATE_SOLICITATION                = 2,
        DHCP6_STATE_REQUEST                     = 3,
        DHCP6_STATE_BOUND                       = 4,
        DHCP6_STATE_RENEW                       = 5,
        DHCP6_STATE_REBIND                      = 6,
};

enum {
        DHCP6_SOLICIT                           = 1,
        DHCP6_ADVERTISE                         = 2,
        DHCP6_REQUEST                           = 3,
        DHCP6_CONFIRM                           = 4,
        DHCP6_RENEW                             = 5,
        DHCP6_REBIND                            = 6,
        DHCP6_REPLY                             = 7,
        DHCP6_RELEASE                           = 8,
        DHCP6_DECLINE                           = 9,
        DHCP6_RECONFIGURE                       = 10,
        DHCP6_INFORMATION_REQUEST               = 11,
        DHCP6_RELAY_FORW                        = 12,
        DHCP6_RELAY_REPL                        = 13,
        _DHCP6_MESSAGE_MAX                      = 14,
};

enum {
        DHCP6_OPTION_CLIENTID                   = 1,
        DHCP6_OPTION_SERVERID                   = 2,
        DHCP6_OPTION_IA_NA                      = 3,
        DHCP6_OPTION_IA_TA                      = 4,
        DHCP6_OPTION_IAADDR                     = 5,
        DHCP6_OPTION_ORO                        = 6,
        DHCP6_OPTION_PREFERENCE                 = 7,
        DHCP6_OPTION_ELAPSED_TIME               = 8,
        DHCP6_OPTION_RELAY_MSG                  = 9,
        /* option code 10 is unassigned */
        DHCP6_OPTION_AUTH                       = 11,
        DHCP6_OPTION_UNICAST                    = 12,
        DHCP6_OPTION_STATUS_CODE                = 13,
        DHCP6_OPTION_RAPID_COMMIT               = 14,
        DHCP6_OPTION_USER_CLASS                 = 15,
        DHCP6_OPTION_VENDOR_CLASS               = 16,
        DHCP6_OPTION_VENDOR_OPTS                = 17,
        DHCP6_OPTION_INTERFACE_ID               = 18,
        DHCP6_OPTION_RECONF_MSG                 = 19,
        DHCP6_OPTION_RECONF_ACCEPT              = 20,

        DHCP6_OPTION_DNS_SERVERS                = 23,  /* RFC 3646 */
        DHCP6_OPTION_DOMAIN_LIST                = 24,  /* RFC 3646 */

        DHCP6_OPTION_SNTP_SERVERS               = 31,  /* RFC 4075, deprecated */

        /* option code 35 is unassigned */

        DHCP6_OPTION_NTP_SERVER                 = 56,  /* RFC 5908 */

        /* option codes 89-142 are unassigned */
        /* option codes 144-65535 are unassigned */
};

enum {
        DHCP6_NTP_SUBOPTION_SRV_ADDR            = 1,
        DHCP6_NTP_SUBOPTION_MC_ADDR             = 2,
        DHCP6_NTP_SUBOPTION_SRV_FQDN            = 3,
};

enum {
        DHCP6_STATUS_SUCCESS                    = 0,
        DHCP6_STATUS_UNSPEC_FAIL                = 1,
        DHCP6_STATUS_NO_ADDRS_AVAIL             = 2,
        DHCP6_STATUS_NO_BINDING                 = 3,
        DHCP6_STATUS_NOT_ON_LINK                = 4,
        DHCP6_STATUS_USE_MULTICAST              = 5,
        _DHCP6_STATUS_MAX                       = 6,
};
Commit	Line	Data
139b011a PF	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
631bbe71 PF	24	#include <netinet/ip6.h>
	25	#include <netinet/udp.h>
	26
139b011a PF	27	#include "macro.h"
	28	#include "sparse-endian.h"
	29
	30	struct DHCP6Message {
	31	union {
	32	struct {
	33	uint8_t type;
	34	uint8_t _pad[3];
	35	} _packed_;
	36	be32_t transaction_id;
	37	};
	38	} _packed_;
	39
	40	typedef struct DHCP6Message DHCP6Message;
	41
631bbe71 PF	42	#define DHCP6_MIN_OPTIONS_SIZE \
	43	1280 - sizeof(struct ip6_hdr) - sizeof(struct udphdr)
	44
34e8c5a2 PF	45	#define IN6ADDR_ALL_DHCP6_RELAY_AGENTS_AND_SERVERS_INIT \
	46	{ { { 0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
	47	0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x02 } } }
	48
139b011a PF	49	enum {
	50	DHCP6_PORT_SERVER = 547,
	51	DHCP6_PORT_CLIENT = 546,
	52	};
	53
bbfa43ca PF	54	#define DHCP6_INF_TIMEOUT 1 * USEC_PER_SEC
bbfa43ca PF	55	#define DHCP6_INF_MAX_RT 120 * USEC_PER_SEC
d1b0afe3 PF	56	#define DHCP6_SOL_MAX_DELAY 1 * USEC_PER_SEC
	57	#define DHCP6_SOL_TIMEOUT 1 * USEC_PER_SEC
	58	#define DHCP6_SOL_MAX_RT 120 * USEC_PER_SEC
7246333c PF	59	#define DHCP6_REQ_TIMEOUT 1 * USEC_PER_SEC
	60	#define DHCP6_REQ_MAX_RT 120 * USEC_PER_SEC
	61	#define DHCP6_REQ_MAX_RC 10
3dc34fcc PF	62	#define DHCP6_REN_TIMEOUT 10 * USEC_PER_SEC
	63	#define DHCP6_REN_MAX_RT 600 * USEC_PER_SEC
	64	#define DHCP6_REB_TIMEOUT 10 * USEC_PER_SEC
	65	#define DHCP6_REB_MAX_RT 600 * USEC_PER_SEC
d1b0afe3	66
139b011a PF	67	enum {
	68	DHCP6_DUID_LLT = 1,
	69	DHCP6_DUID_EN = 2,
	70	DHCP6_DUID_LL = 3,
	71	DHCP6_DUID_UUID = 4,
	72	};
	73
	74	enum DHCP6State {
	75	DHCP6_STATE_STOPPED = 0,
bbfa43ca	76	DHCP6_STATE_INFORMATION_REQUEST = 1,
d1b0afe3	77	DHCP6_STATE_SOLICITATION = 2,
7246333c	78	DHCP6_STATE_REQUEST = 3,
a34b57c0	79	DHCP6_STATE_BOUND = 4,
3dc34fcc PF	80	DHCP6_STATE_RENEW = 5,
3dc34fcc PF	81	DHCP6_STATE_REBIND = 6,
139b011a PF	82	};
	83
	84	enum {
	85	DHCP6_SOLICIT = 1,
	86	DHCP6_ADVERTISE = 2,
	87	DHCP6_REQUEST = 3,
	88	DHCP6_CONFIRM = 4,
	89	DHCP6_RENEW = 5,
	90	DHCP6_REBIND = 6,
	91	DHCP6_REPLY = 7,
	92	DHCP6_RELEASE = 8,
	93	DHCP6_DECLINE = 9,
	94	DHCP6_RECONFIGURE = 10,
	95	DHCP6_INFORMATION_REQUEST = 11,
	96	DHCP6_RELAY_FORW = 12,
	97	DHCP6_RELAY_REPL = 13,
	98	_DHCP6_MESSAGE_MAX = 14,
	99	};
	100
	101	enum {
	102	DHCP6_OPTION_CLIENTID = 1,
	103	DHCP6_OPTION_SERVERID = 2,
	104	DHCP6_OPTION_IA_NA = 3,
	105	DHCP6_OPTION_IA_TA = 4,
	106	DHCP6_OPTION_IAADDR = 5,
	107	DHCP6_OPTION_ORO = 6,
	108	DHCP6_OPTION_PREFERENCE = 7,
	109	DHCP6_OPTION_ELAPSED_TIME = 8,
	110	DHCP6_OPTION_RELAY_MSG = 9,
	111	/* option code 10 is unassigned */
	112	DHCP6_OPTION_AUTH = 11,
	113	DHCP6_OPTION_UNICAST = 12,
	114	DHCP6_OPTION_STATUS_CODE = 13,
	115	DHCP6_OPTION_RAPID_COMMIT = 14,
	116	DHCP6_OPTION_USER_CLASS = 15,
	117	DHCP6_OPTION_VENDOR_CLASS = 16,
	118	DHCP6_OPTION_VENDOR_OPTS = 17,
	119	DHCP6_OPTION_INTERFACE_ID = 18,
	120	DHCP6_OPTION_RECONF_MSG = 19,
	121	DHCP6_OPTION_RECONF_ACCEPT = 20,
da6fe470 PF	122
	123	DHCP6_OPTION_DNS_SERVERS = 23, /* RFC 3646 */
	124	DHCP6_OPTION_DOMAIN_LIST = 24, /* RFC 3646 */
	125
41e4615d	126	DHCP6_OPTION_SNTP_SERVERS = 31, /* RFC 4075, deprecated */
da6fe470 PF	127
	128	/* option code 35 is unassigned */
	129
	130	DHCP6_OPTION_NTP_SERVER = 56, /* RFC 5908 */
	131
	132	/* option codes 89-142 are unassigned */
	133	/* option codes 144-65535 are unassigned */
139b011a PF	134	};
139b011a PF	135
6599680e PF	136	enum {
	137	DHCP6_NTP_SUBOPTION_SRV_ADDR = 1,
	138	DHCP6_NTP_SUBOPTION_MC_ADDR = 2,
	139	DHCP6_NTP_SUBOPTION_SRV_FQDN = 3,
	140	};
	141
139b011a PF	142	enum {
	143	DHCP6_STATUS_SUCCESS = 0,
	144	DHCP6_STATUS_UNSPEC_FAIL = 1,
	145	DHCP6_STATUS_NO_ADDRS_AVAIL = 2,
	146	DHCP6_STATUS_NO_BINDING = 3,
	147	DHCP6_STATUS_NOT_ON_LINK = 4,
	148	DHCP6_STATUS_USE_MULTICAST = 5,
	149	_DHCP6_STATUS_MAX = 6,
	150	};