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

/* SPDX-License-Identifier: LGPL-2.1+ */
#pragma once

/***
  This file is part of systemd.

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

#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;
        };
        uint8_t options[];
} _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 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_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,
};

enum {
        DHCP6_FQDN_FLAG_S = (1 << 0),
        DHCP6_FQDN_FLAG_O = (1 << 1),
        DHCP6_FQDN_FLAG_N = (1 << 2),
};
Commit	Line	Data
53e1b683	1	/* SPDX-License-Identifier: LGPL-2.1+ */
139b011a PF	2	#pragma once
	3
	4	/***
	5	This file is part of systemd.
	6
	7	Copyright (C) 2014 Intel Corporation. All rights reserved.
139b011a PF	8	***/
139b011a PF	9
631bbe71 PF	10	#include <netinet/ip6.h>
	11	#include <netinet/udp.h>
	12
139b011a PF	13	#include "macro.h"
	14	#include "sparse-endian.h"
	15
	16	struct DHCP6Message {
	17	union {
	18	struct {
	19	uint8_t type;
	20	uint8_t _pad[3];
	21	} _packed_;
	22	be32_t transaction_id;
	23	};
3bc424a3	24	uint8_t options[];
139b011a PF	25	} _packed_;
	26
	27	typedef struct DHCP6Message DHCP6Message;
	28
631bbe71 PF	29	#define DHCP6_MIN_OPTIONS_SIZE \
	30	1280 - sizeof(struct ip6_hdr) - sizeof(struct udphdr)
	31
34e8c5a2 PF	32	#define IN6ADDR_ALL_DHCP6_RELAY_AGENTS_AND_SERVERS_INIT \
	33	{ { { 0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \
	34	0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x02 } } }
	35
139b011a PF	36	enum {
	37	DHCP6_PORT_SERVER = 547,
	38	DHCP6_PORT_CLIENT = 546,
	39	};
	40
bbfa43ca PF	41	#define DHCP6_INF_TIMEOUT 1 * USEC_PER_SEC
bbfa43ca PF	42	#define DHCP6_INF_MAX_RT 120 * USEC_PER_SEC
d1b0afe3 PF	43	#define DHCP6_SOL_MAX_DELAY 1 * USEC_PER_SEC
	44	#define DHCP6_SOL_TIMEOUT 1 * USEC_PER_SEC
	45	#define DHCP6_SOL_MAX_RT 120 * USEC_PER_SEC
7246333c PF	46	#define DHCP6_REQ_TIMEOUT 1 * USEC_PER_SEC
	47	#define DHCP6_REQ_MAX_RT 120 * USEC_PER_SEC
	48	#define DHCP6_REQ_MAX_RC 10
3dc34fcc PF	49	#define DHCP6_REN_TIMEOUT 10 * USEC_PER_SEC
	50	#define DHCP6_REN_MAX_RT 600 * USEC_PER_SEC
	51	#define DHCP6_REB_TIMEOUT 10 * USEC_PER_SEC
	52	#define DHCP6_REB_MAX_RT 600 * USEC_PER_SEC
d1b0afe3	53
139b011a PF	54	enum DHCP6State {
139b011a PF	55	DHCP6_STATE_STOPPED = 0,
bbfa43ca	56	DHCP6_STATE_INFORMATION_REQUEST = 1,
d1b0afe3	57	DHCP6_STATE_SOLICITATION = 2,
7246333c	58	DHCP6_STATE_REQUEST = 3,
a34b57c0	59	DHCP6_STATE_BOUND = 4,
3dc34fcc PF	60	DHCP6_STATE_RENEW = 5,
3dc34fcc PF	61	DHCP6_STATE_REBIND = 6,
139b011a PF	62	};
	63
	64	enum {
	65	DHCP6_SOLICIT = 1,
	66	DHCP6_ADVERTISE = 2,
	67	DHCP6_REQUEST = 3,
	68	DHCP6_CONFIRM = 4,
	69	DHCP6_RENEW = 5,
	70	DHCP6_REBIND = 6,
	71	DHCP6_REPLY = 7,
	72	DHCP6_RELEASE = 8,
	73	DHCP6_DECLINE = 9,
	74	DHCP6_RECONFIGURE = 10,
	75	DHCP6_INFORMATION_REQUEST = 11,
	76	DHCP6_RELAY_FORW = 12,
	77	DHCP6_RELAY_REPL = 13,
	78	_DHCP6_MESSAGE_MAX = 14,
	79	};
	80
6599680e PF	81	enum {
	82	DHCP6_NTP_SUBOPTION_SRV_ADDR = 1,
	83	DHCP6_NTP_SUBOPTION_MC_ADDR = 2,
	84	DHCP6_NTP_SUBOPTION_SRV_FQDN = 3,
	85	};
	86
139b011a PF	87	enum {
	88	DHCP6_STATUS_SUCCESS = 0,
	89	DHCP6_STATUS_UNSPEC_FAIL = 1,
	90	DHCP6_STATUS_NO_ADDRS_AVAIL = 2,
	91	DHCP6_STATUS_NO_BINDING = 3,
	92	DHCP6_STATUS_NOT_ON_LINK = 4,
	93	DHCP6_STATUS_USE_MULTICAST = 5,
	94	_DHCP6_STATUS_MAX = 6,
	95	};
8006aa32 SA	96
	97	enum {
	98	DHCP6_FQDN_FLAG_S = (1 << 0),
	99	DHCP6_FQDN_FLAG_O = (1 << 1),
	100	DHCP6_FQDN_FLAG_N = (1 << 2),
	101	};