[mirror_ubuntu-zesty-kernel.git] / include / linux / xfrm.h

#ifndef _LINUX_XFRM_H
#define _LINUX_XFRM_H

#include <linux/types.h>

/* All of the structures in this file may not change size as they are
 * passed into the kernel from userspace via netlink sockets.
 */

/* Structure to encapsulate addresses. I do not want to use
 * "standard" structure. My apologies.
 */
typedef union
{
	__be32		a4;
	__be32		a6[4];
} xfrm_address_t;

/* Ident of a specific xfrm_state. It is used on input to lookup
 * the state by (spi,daddr,ah/esp) or to store information about
 * spi, protocol and tunnel address on output.
 */
struct xfrm_id
{
	xfrm_address_t	daddr;
	__be32		spi;
	__u8		proto;
};

struct xfrm_sec_ctx {
	__u8	ctx_doi;
	__u8	ctx_alg;
	__u16	ctx_len;
	__u32	ctx_sid;
	char	ctx_str[0];
};

/* Security Context Domains of Interpretation */
#define XFRM_SC_DOI_RESERVED 0
#define XFRM_SC_DOI_LSM 1

/* Security Context Algorithms */
#define XFRM_SC_ALG_RESERVED 0
#define XFRM_SC_ALG_SELINUX 1

/* Selector, used as selector both on policy rules (SPD) and SAs. */

struct xfrm_selector
{
	xfrm_address_t	daddr;
	xfrm_address_t	saddr;
	__be16	dport;
	__be16	dport_mask;
	__be16	sport;
	__be16	sport_mask;
	__u16	family;
	__u8	prefixlen_d;
	__u8	prefixlen_s;
	__u8	proto;
	int	ifindex;
	uid_t	user;
};

#define XFRM_INF (~(__u64)0)

struct xfrm_lifetime_cfg
{
	__u64	soft_byte_limit;
	__u64	hard_byte_limit;
	__u64	soft_packet_limit;
	__u64	hard_packet_limit;
	__u64	soft_add_expires_seconds;
	__u64	hard_add_expires_seconds;
	__u64	soft_use_expires_seconds;
	__u64	hard_use_expires_seconds;
};

struct xfrm_lifetime_cur
{
	__u64	bytes;
	__u64	packets;
	__u64	add_time;
	__u64	use_time;
};

struct xfrm_replay_state
{
	__u32	oseq;
	__u32	seq;
	__u32	bitmap;
};

struct xfrm_algo {
	char	alg_name[64];
	int	alg_key_len;    /* in bits */
	char	alg_key[0];
};

struct xfrm_stats {
	__u32	replay_window;
	__u32	replay;
	__u32	integrity_failed;
};

enum
{
	XFRM_POLICY_TYPE_MAIN	= 0,
	XFRM_POLICY_TYPE_SUB	= 1,
	XFRM_POLICY_TYPE_MAX	= 2
};

enum
{
	XFRM_POLICY_IN	= 0,
	XFRM_POLICY_OUT	= 1,
	XFRM_POLICY_FWD	= 2,
	XFRM_POLICY_MAX	= 3
};

enum
{
	XFRM_SHARE_ANY,		/* No limitations */
	XFRM_SHARE_SESSION,	/* For this session only */
	XFRM_SHARE_USER,	/* For this user only */
	XFRM_SHARE_UNIQUE	/* Use once */
};

#define XFRM_MODE_TRANSPORT 0
#define XFRM_MODE_TUNNEL 1
#define XFRM_MODE_ROUTEOPTIMIZATION 2
#define XFRM_MODE_IN_TRIGGER 3
#define XFRM_MODE_BEET 4
#define XFRM_MODE_MAX 5

/* Netlink configuration messages.  */
enum {
	XFRM_MSG_BASE = 0x10,

	XFRM_MSG_NEWSA = 0x10,
#define XFRM_MSG_NEWSA XFRM_MSG_NEWSA
	XFRM_MSG_DELSA,
#define XFRM_MSG_DELSA XFRM_MSG_DELSA
	XFRM_MSG_GETSA,
#define XFRM_MSG_GETSA XFRM_MSG_GETSA

	XFRM_MSG_NEWPOLICY,
#define XFRM_MSG_NEWPOLICY XFRM_MSG_NEWPOLICY
	XFRM_MSG_DELPOLICY,
#define XFRM_MSG_DELPOLICY XFRM_MSG_DELPOLICY
	XFRM_MSG_GETPOLICY,
#define XFRM_MSG_GETPOLICY XFRM_MSG_GETPOLICY

	XFRM_MSG_ALLOCSPI,
#define XFRM_MSG_ALLOCSPI XFRM_MSG_ALLOCSPI
	XFRM_MSG_ACQUIRE,
#define XFRM_MSG_ACQUIRE XFRM_MSG_ACQUIRE
	XFRM_MSG_EXPIRE,
#define XFRM_MSG_EXPIRE XFRM_MSG_EXPIRE

	XFRM_MSG_UPDPOLICY,
#define XFRM_MSG_UPDPOLICY XFRM_MSG_UPDPOLICY
	XFRM_MSG_UPDSA,
#define XFRM_MSG_UPDSA XFRM_MSG_UPDSA

	XFRM_MSG_POLEXPIRE,
#define XFRM_MSG_POLEXPIRE XFRM_MSG_POLEXPIRE

	XFRM_MSG_FLUSHSA,
#define XFRM_MSG_FLUSHSA XFRM_MSG_FLUSHSA
	XFRM_MSG_FLUSHPOLICY,
#define XFRM_MSG_FLUSHPOLICY XFRM_MSG_FLUSHPOLICY

	XFRM_MSG_NEWAE,
#define XFRM_MSG_NEWAE XFRM_MSG_NEWAE
	XFRM_MSG_GETAE,
#define XFRM_MSG_GETAE XFRM_MSG_GETAE

	XFRM_MSG_REPORT,
#define XFRM_MSG_REPORT XFRM_MSG_REPORT

	XFRM_MSG_MIGRATE,
#define XFRM_MSG_MIGRATE XFRM_MSG_MIGRATE

	XFRM_MSG_NEWSADINFO,
#define XFRM_MSG_NEWSADINFO XFRM_MSG_NEWSADINFO
	XFRM_MSG_GETSADINFO,
#define XFRM_MSG_GETSADINFO XFRM_MSG_GETSADINFO

	XFRM_MSG_NEWSPDINFO,
#define XFRM_MSG_NEWSPDINFO XFRM_MSG_NEWSPDINFO
	XFRM_MSG_GETSPDINFO,
#define XFRM_MSG_GETSPDINFO XFRM_MSG_GETSPDINFO
	__XFRM_MSG_MAX
};
#define XFRM_MSG_MAX (__XFRM_MSG_MAX - 1)

#define XFRM_NR_MSGTYPES (XFRM_MSG_MAX + 1 - XFRM_MSG_BASE)

/*
 * Generic LSM security context for comunicating to user space
 * NOTE: Same format as sadb_x_sec_ctx
 */
struct xfrm_user_sec_ctx {
	__u16			len;
	__u16			exttype;
	__u8			ctx_alg;  /* LSMs: e.g., selinux == 1 */
	__u8			ctx_doi;
	__u16			ctx_len;
};

struct xfrm_user_tmpl {
	struct xfrm_id		id;
	__u16			family;
	xfrm_address_t		saddr;
	__u32			reqid;
	__u8			mode;
	__u8			share;
	__u8			optional;
	__u32			aalgos;
	__u32			ealgos;
	__u32			calgos;
};

struct xfrm_encap_tmpl {
	__u16		encap_type;
	__be16		encap_sport;
	__be16		encap_dport;
	xfrm_address_t	encap_oa;
};

/* AEVENT flags  */
enum xfrm_ae_ftype_t {
	XFRM_AE_UNSPEC,
	XFRM_AE_RTHR=1,	/* replay threshold*/
	XFRM_AE_RVAL=2, /* replay value */
	XFRM_AE_LVAL=4, /* lifetime value */
	XFRM_AE_ETHR=8, /* expiry timer threshold */
	XFRM_AE_CR=16, /* Event cause is replay update */
	XFRM_AE_CE=32, /* Event cause is timer expiry */
	XFRM_AE_CU=64, /* Event cause is policy update */
	__XFRM_AE_MAX

#define XFRM_AE_MAX (__XFRM_AE_MAX - 1)
};

/* SAD Table filter flags  */
enum xfrm_sad_ftype_t {
	XFRM_SAD_UNSPEC,
	XFRM_SAD_HMASK=1,
	XFRM_SAD_HMAX=2,
	XFRM_SAD_CNT=4,
	__XFRM_SAD_MAX

#define XFRM_SAD_MAX (__XFRM_SAD_MAX - 1)
};

struct xfrm_userpolicy_type {
	__u8		type;
	__u16		reserved1;
	__u8		reserved2;
};

/* Netlink message attributes.  */
enum xfrm_attr_type_t {
	XFRMA_UNSPEC,
	XFRMA_ALG_AUTH,		/* struct xfrm_algo */
	XFRMA_ALG_CRYPT,	/* struct xfrm_algo */
	XFRMA_ALG_COMP,		/* struct xfrm_algo */
	XFRMA_ENCAP,		/* struct xfrm_algo + struct xfrm_encap_tmpl */
	XFRMA_TMPL,		/* 1 or more struct xfrm_user_tmpl */
	XFRMA_SA,
	XFRMA_POLICY,
	XFRMA_SEC_CTX,		/* struct xfrm_sec_ctx */
	XFRMA_LTIME_VAL,
	XFRMA_REPLAY_VAL,
	XFRMA_REPLAY_THRESH,
	XFRMA_ETIMER_THRESH,
	XFRMA_SRCADDR,		/* xfrm_address_t */
	XFRMA_COADDR,		/* xfrm_address_t */
	XFRMA_LASTUSED,
	XFRMA_POLICY_TYPE,	/* struct xfrm_userpolicy_type */
	XFRMA_MIGRATE,
	__XFRMA_MAX

#define XFRMA_MAX (__XFRMA_MAX - 1)
};

enum xfrm_sadattr_type_t {
	XFRMA_SAD_UNSPEC,
	XFRMA_SADHMASK,
	XFRMA_SADHMAX,
	XFRMA_SADCNT,
	__XFRMA_SAD_MAX

#define XFRMA_SAD_MAX (__XFRMA_SAD_MAX - 1)
};

/* SPD Table filter flags  */
enum xfrm_spd_ftype_t {
	XFRM_SPD_UNSPEC,
	XFRM_SPD_HMASK=1,
	XFRM_SPD_HMAX=2,
	XFRM_SPD_ICNT=4,
	XFRM_SPD_OCNT=8,
	XFRM_SPD_FCNT=16,
	XFRM_SPD_ISCNT=32,
	XFRM_SPD_OSCNT=64,
	XFRM_SPD_FSCNT=128,
	__XFRM_SPD_MAX

#define XFRM_SPD_MAX (__XFRM_SPD_MAX - 1)
};
enum xfrm_spdattr_type_t {
	XFRMA_SPD_UNSPEC,
	XFRMA_SPDHMASK,
	XFRMA_SPDHMAX,
	XFRMA_SPDICNT,
	XFRMA_SPDOCNT,
	XFRMA_SPDFCNT,
	XFRMA_SPDISCNT,
	XFRMA_SPDOSCNT,
	XFRMA_SPDFSCNT,
	__XFRMA_SPD_MAX

#define XFRMA_SPD_MAX (__XFRMA_SPD_MAX - 1)
};

struct xfrm_usersa_info {
	struct xfrm_selector		sel;
	struct xfrm_id			id;
	xfrm_address_t			saddr;
	struct xfrm_lifetime_cfg	lft;
	struct xfrm_lifetime_cur	curlft;
	struct xfrm_stats		stats;
	__u32				seq;
	__u32				reqid;
	__u16				family;
	__u8				mode;		/* XFRM_MODE_xxx */
	__u8				replay_window;
	__u8				flags;
#define XFRM_STATE_NOECN	1
#define XFRM_STATE_DECAP_DSCP	2
#define XFRM_STATE_NOPMTUDISC	4
#define XFRM_STATE_WILDRECV	8
};

struct xfrm_usersa_id {
	xfrm_address_t			daddr;
	__be32				spi;
	__u16				family;
	__u8				proto;
};

struct xfrm_aevent_id {
	struct xfrm_usersa_id		sa_id;
	xfrm_address_t			saddr;
	__u32				flags;
	__u32				reqid;
};

struct xfrm_userspi_info {
	struct xfrm_usersa_info		info;
	__u32				min;
	__u32				max;
};

struct xfrm_userpolicy_info {
	struct xfrm_selector		sel;
	struct xfrm_lifetime_cfg	lft;
	struct xfrm_lifetime_cur	curlft;
	__u32				priority;
	__u32				index;
	__u8				dir;
	__u8				action;
#define XFRM_POLICY_ALLOW	0
#define XFRM_POLICY_BLOCK	1
	__u8				flags;
#define XFRM_POLICY_LOCALOK	1	/* Allow user to override global policy */
	__u8				share;
};

struct xfrm_userpolicy_id {
	struct xfrm_selector		sel;
	__u32				index;
	__u8				dir;
};

struct xfrm_user_acquire {
	struct xfrm_id			id;
	xfrm_address_t			saddr;
	struct xfrm_selector		sel;
	struct xfrm_userpolicy_info	policy;
	__u32				aalgos;
	__u32				ealgos;
	__u32				calgos;
	__u32				seq;
};

struct xfrm_user_expire {
	struct xfrm_usersa_info		state;
	__u8				hard;
};

struct xfrm_user_polexpire {
	struct xfrm_userpolicy_info	pol;
	__u8				hard;
};

struct xfrm_usersa_flush {
	__u8				proto;
};

struct xfrm_user_report {
	__u8				proto;
	struct xfrm_selector		sel;
};

struct xfrm_user_migrate {
	xfrm_address_t			old_daddr;
	xfrm_address_t			old_saddr;
	xfrm_address_t			new_daddr;
	xfrm_address_t			new_saddr;
	__u8				proto;
	__u8				mode;
	__u16				reserved;
	__u32				reqid;
	__u16				old_family;
	__u16				new_family;
};

#ifndef __KERNEL__
/* backwards compatibility for userspace */
#define XFRMGRP_ACQUIRE		1
#define XFRMGRP_EXPIRE		2
#define XFRMGRP_SA		4
#define XFRMGRP_POLICY		8
#define XFRMGRP_REPORT		0x20
#endif

enum xfrm_nlgroups {
	XFRMNLGRP_NONE,
#define XFRMNLGRP_NONE		XFRMNLGRP_NONE
	XFRMNLGRP_ACQUIRE,
#define XFRMNLGRP_ACQUIRE	XFRMNLGRP_ACQUIRE
	XFRMNLGRP_EXPIRE,
#define XFRMNLGRP_EXPIRE	XFRMNLGRP_EXPIRE
	XFRMNLGRP_SA,
#define XFRMNLGRP_SA		XFRMNLGRP_SA
	XFRMNLGRP_POLICY,
#define XFRMNLGRP_POLICY	XFRMNLGRP_POLICY
	XFRMNLGRP_AEVENTS,
#define XFRMNLGRP_AEVENTS	XFRMNLGRP_AEVENTS
	XFRMNLGRP_REPORT,
#define XFRMNLGRP_REPORT	XFRMNLGRP_REPORT
	XFRMNLGRP_MIGRATE,
#define XFRMNLGRP_MIGRATE	XFRMNLGRP_MIGRATE
	__XFRMNLGRP_MAX
};
#define XFRMNLGRP_MAX	(__XFRMNLGRP_MAX - 1)

#endif /* _LINUX_XFRM_H */
Commit	Line	Data
1da177e4 LT	1	#ifndef _LINUX_XFRM_H
	2	#define _LINUX_XFRM_H
	3
	4	#include <linux/types.h>
	5
	6	/* All of the structures in this file may not change size as they are
	7	* passed into the kernel from userspace via netlink sockets.
	8	*/
	9
	10	/* Structure to encapsulate addresses. I do not want to use
	11	* "standard" structure. My apologies.
	12	*/
	13	typedef union
	14	{
737b5761 AV	15	__be32 a4;
737b5761 AV	16	__be32 a6[4];
1da177e4 LT	17	} xfrm_address_t;
	18
	19	/* Ident of a specific xfrm_state. It is used on input to lookup
	20	* the state by (spi,daddr,ah/esp) or to store information about
	21	* spi, protocol and tunnel address on output.
	22	*/
	23	struct xfrm_id
	24	{
	25	xfrm_address_t daddr;
e037c39b	26	__be32 spi;
1da177e4 LT	27	__u8 proto;
	28	};
	29
df71837d TJ	30	struct xfrm_sec_ctx {
	31	__u8 ctx_doi;
	32	__u8 ctx_alg;
	33	__u16 ctx_len;
	34	__u32 ctx_sid;
	35	char ctx_str[0];
	36	};
	37
	38	/* Security Context Domains of Interpretation */
	39	#define XFRM_SC_DOI_RESERVED 0
	40	#define XFRM_SC_DOI_LSM 1
	41
	42	/* Security Context Algorithms */
	43	#define XFRM_SC_ALG_RESERVED 0
	44	#define XFRM_SC_ALG_SELINUX 1
	45
1da177e4 LT	46	/* Selector, used as selector both on policy rules (SPD) and SAs. */
	47
	48	struct xfrm_selector
	49	{
	50	xfrm_address_t daddr;
	51	xfrm_address_t saddr;
8f83f23e AV	52	__be16 dport;
	53	__be16 dport_mask;
	54	__be16 sport;
	55	__be16 sport_mask;
1da177e4 LT	56	__u16 family;
	57	__u8 prefixlen_d;
	58	__u8 prefixlen_s;
	59	__u8 proto;
	60	int ifindex;
	61	uid_t user;
	62	};
	63
	64	#define XFRM_INF (~(__u64)0)
	65
	66	struct xfrm_lifetime_cfg
	67	{
	68	__u64 soft_byte_limit;
	69	__u64 hard_byte_limit;
	70	__u64 soft_packet_limit;
	71	__u64 hard_packet_limit;
	72	__u64 soft_add_expires_seconds;
	73	__u64 hard_add_expires_seconds;
	74	__u64 soft_use_expires_seconds;
	75	__u64 hard_use_expires_seconds;
	76	};
	77
	78	struct xfrm_lifetime_cur
	79	{
	80	__u64 bytes;
	81	__u64 packets;
	82	__u64 add_time;
	83	__u64 use_time;
	84	};
	85
	86	struct xfrm_replay_state
	87	{
	88	__u32 oseq;
	89	__u32 seq;
	90	__u32 bitmap;
	91	};
	92
	93	struct xfrm_algo {
	94	char alg_name[64];
	95	int alg_key_len; /* in bits */
	96	char alg_key[0];
	97	};
	98
	99	struct xfrm_stats {
	100	__u32 replay_window;
	101	__u32 replay;
	102	__u32 integrity_failed;
	103	};
	104
4e81bb83 MN	105	enum
	106	{
	107	XFRM_POLICY_TYPE_MAIN = 0,
	108	XFRM_POLICY_TYPE_SUB = 1,
	109	XFRM_POLICY_TYPE_MAX = 2
	110	};
	111
1da177e4 LT	112	enum
	113	{
	114	XFRM_POLICY_IN = 0,
	115	XFRM_POLICY_OUT = 1,
	116	XFRM_POLICY_FWD = 2,
	117	XFRM_POLICY_MAX = 3
	118	};
	119
	120	enum
	121	{
	122	XFRM_SHARE_ANY, /* No limitations */
	123	XFRM_SHARE_SESSION, /* For this session only */
	124	XFRM_SHARE_USER, /* For this user only */
	125	XFRM_SHARE_UNIQUE /* Use once */
	126	};
	127
b59f45d0 HX	128	#define XFRM_MODE_TRANSPORT 0
b59f45d0 HX	129	#define XFRM_MODE_TUNNEL 1
7e49e6de MN	130	#define XFRM_MODE_ROUTEOPTIMIZATION 2
7e49e6de MN	131	#define XFRM_MODE_IN_TRIGGER 3
0a69452c DB	132	#define XFRM_MODE_BEET 4
0a69452c DB	133	#define XFRM_MODE_MAX 5
b59f45d0	134
1da177e4 LT	135	/* Netlink configuration messages. */
	136	enum {
	137	XFRM_MSG_BASE = 0x10,
	138
	139	XFRM_MSG_NEWSA = 0x10,
	140	#define XFRM_MSG_NEWSA XFRM_MSG_NEWSA
	141	XFRM_MSG_DELSA,
	142	#define XFRM_MSG_DELSA XFRM_MSG_DELSA
	143	XFRM_MSG_GETSA,
	144	#define XFRM_MSG_GETSA XFRM_MSG_GETSA
	145
	146	XFRM_MSG_NEWPOLICY,
	147	#define XFRM_MSG_NEWPOLICY XFRM_MSG_NEWPOLICY
	148	XFRM_MSG_DELPOLICY,
	149	#define XFRM_MSG_DELPOLICY XFRM_MSG_DELPOLICY
	150	XFRM_MSG_GETPOLICY,
	151	#define XFRM_MSG_GETPOLICY XFRM_MSG_GETPOLICY
	152
	153	XFRM_MSG_ALLOCSPI,
	154	#define XFRM_MSG_ALLOCSPI XFRM_MSG_ALLOCSPI
	155	XFRM_MSG_ACQUIRE,
	156	#define XFRM_MSG_ACQUIRE XFRM_MSG_ACQUIRE
	157	XFRM_MSG_EXPIRE,
	158	#define XFRM_MSG_EXPIRE XFRM_MSG_EXPIRE
	159
	160	XFRM_MSG_UPDPOLICY,
	161	#define XFRM_MSG_UPDPOLICY XFRM_MSG_UPDPOLICY
	162	XFRM_MSG_UPDSA,
	163	#define XFRM_MSG_UPDSA XFRM_MSG_UPDSA
	164
	165	XFRM_MSG_POLEXPIRE,
	166	#define XFRM_MSG_POLEXPIRE XFRM_MSG_POLEXPIRE
	167
	168	XFRM_MSG_FLUSHSA,
	169	#define XFRM_MSG_FLUSHSA XFRM_MSG_FLUSHSA
	170	XFRM_MSG_FLUSHPOLICY,
	171	#define XFRM_MSG_FLUSHPOLICY XFRM_MSG_FLUSHPOLICY
	172
f8cd5488 JHS	173	XFRM_MSG_NEWAE,
	174	#define XFRM_MSG_NEWAE XFRM_MSG_NEWAE
	175	XFRM_MSG_GETAE,
	176	#define XFRM_MSG_GETAE XFRM_MSG_GETAE
97a64b45 MN	177
	178	XFRM_MSG_REPORT,
	179	#define XFRM_MSG_REPORT XFRM_MSG_REPORT
	180
80c9abaa SS	181	XFRM_MSG_MIGRATE,
	182	#define XFRM_MSG_MIGRATE XFRM_MSG_MIGRATE
	183
28d8909b JHS	184	XFRM_MSG_NEWSADINFO,
	185	#define XFRM_MSG_NEWSADINFO XFRM_MSG_NEWSADINFO
	186	XFRM_MSG_GETSADINFO,
	187	#define XFRM_MSG_GETSADINFO XFRM_MSG_GETSADINFO
ecfd6b18 JHS	188
	189	XFRM_MSG_NEWSPDINFO,
	190	#define XFRM_MSG_NEWSPDINFO XFRM_MSG_NEWSPDINFO
	191	XFRM_MSG_GETSPDINFO,
	192	#define XFRM_MSG_GETSPDINFO XFRM_MSG_GETSPDINFO
526bdb80	193	__XFRM_MSG_MAX
1da177e4	194	};
526bdb80	195	#define XFRM_MSG_MAX (__XFRM_MSG_MAX - 1)
1da177e4	196
492b558b TG	197	#define XFRM_NR_MSGTYPES (XFRM_MSG_MAX + 1 - XFRM_MSG_BASE)
492b558b TG	198
df71837d TJ	199	/*
	200	* Generic LSM security context for comunicating to user space
	201	* NOTE: Same format as sadb_x_sec_ctx
	202	*/
	203	struct xfrm_user_sec_ctx {
	204	__u16 len;
	205	__u16 exttype;
	206	__u8 ctx_alg; /* LSMs: e.g., selinux == 1 */
	207	__u8 ctx_doi;
	208	__u16 ctx_len;
	209	};
	210
1da177e4 LT	211	struct xfrm_user_tmpl {
	212	struct xfrm_id id;
	213	__u16 family;
	214	xfrm_address_t saddr;
	215	__u32 reqid;
	216	__u8 mode;
	217	__u8 share;
	218	__u8 optional;
	219	__u32 aalgos;
	220	__u32 ealgos;
	221	__u32 calgos;
	222	};
	223
	224	struct xfrm_encap_tmpl {
	225	__u16 encap_type;
d5a0a1e3 AV	226	__be16 encap_sport;
d5a0a1e3 AV	227	__be16 encap_dport;
1da177e4 LT	228	xfrm_address_t encap_oa;
	229	};
	230
f8cd5488 JHS	231	/* AEVENT flags */
	232	enum xfrm_ae_ftype_t {
	233	XFRM_AE_UNSPEC,
	234	XFRM_AE_RTHR=1, /* replay threshold*/
	235	XFRM_AE_RVAL=2, /* replay value */
	236	XFRM_AE_LVAL=4, /* lifetime value */
	237	XFRM_AE_ETHR=8, /* expiry timer threshold */
	238	XFRM_AE_CR=16, /* Event cause is replay update */
	239	XFRM_AE_CE=32, /* Event cause is timer expiry */
	240	XFRM_AE_CU=64, /* Event cause is policy update */
	241	__XFRM_AE_MAX
	242
	243	#define XFRM_AE_MAX (__XFRM_AE_MAX - 1)
	244	};
	245
28d8909b JHS	246	/* SAD Table filter flags */
	247	enum xfrm_sad_ftype_t {
	248	XFRM_SAD_UNSPEC,
	249	XFRM_SAD_HMASK=1,
	250	XFRM_SAD_HMAX=2,
	251	XFRM_SAD_CNT=4,
	252	__XFRM_SAD_MAX
	253
	254	#define XFRM_SAD_MAX (__XFRM_SAD_MAX - 1)
	255	};
	256
f7b6983f MN	257	struct xfrm_userpolicy_type {
	258	__u8 type;
	259	__u16 reserved1;
	260	__u8 reserved2;
	261	};
	262
1da177e4 LT	263	/* Netlink message attributes. */
	264	enum xfrm_attr_type_t {
	265	XFRMA_UNSPEC,
	266	XFRMA_ALG_AUTH, /* struct xfrm_algo */
	267	XFRMA_ALG_CRYPT, /* struct xfrm_algo */
	268	XFRMA_ALG_COMP, /* struct xfrm_algo */
	269	XFRMA_ENCAP, /* struct xfrm_algo + struct xfrm_encap_tmpl */
	270	XFRMA_TMPL, /* 1 or more struct xfrm_user_tmpl */
0603eac0 HX	271	XFRMA_SA,
0603eac0 HX	272	XFRMA_POLICY,
df71837d	273	XFRMA_SEC_CTX, /* struct xfrm_sec_ctx */
f8cd5488 JHS	274	XFRMA_LTIME_VAL,
	275	XFRMA_REPLAY_VAL,
	276	XFRMA_REPLAY_THRESH,
	277	XFRMA_ETIMER_THRESH,
eb2971b6	278	XFRMA_SRCADDR, /* xfrm_address_t */
060f02a3	279	XFRMA_COADDR, /* xfrm_address_t */
9afaca05	280	XFRMA_LASTUSED,
f7b6983f	281	XFRMA_POLICY_TYPE, /* struct xfrm_userpolicy_type */
80c9abaa	282	XFRMA_MIGRATE,
1da177e4 LT	283	__XFRMA_MAX
	284
	285	#define XFRMA_MAX (__XFRMA_MAX - 1)
	286	};
	287
28d8909b JHS	288	enum xfrm_sadattr_type_t {
	289	XFRMA_SAD_UNSPEC,
	290	XFRMA_SADHMASK,
	291	XFRMA_SADHMAX,
	292	XFRMA_SADCNT,
	293	__XFRMA_SAD_MAX
	294
	295	#define XFRMA_SAD_MAX (__XFRMA_SAD_MAX - 1)
	296	};
	297
ecfd6b18 JHS	298	/* SPD Table filter flags */
	299	enum xfrm_spd_ftype_t {
	300	XFRM_SPD_UNSPEC,
	301	XFRM_SPD_HMASK=1,
	302	XFRM_SPD_HMAX=2,
	303	XFRM_SPD_ICNT=4,
	304	XFRM_SPD_OCNT=8,
	305	XFRM_SPD_FCNT=16,
	306	XFRM_SPD_ISCNT=32,
	307	XFRM_SPD_OSCNT=64,
	308	XFRM_SPD_FSCNT=128,
	309	__XFRM_SPD_MAX
	310
	311	#define XFRM_SPD_MAX (__XFRM_SPD_MAX - 1)
	312	};
	313	enum xfrm_spdattr_type_t {
	314	XFRMA_SPD_UNSPEC,
	315	XFRMA_SPDHMASK,
	316	XFRMA_SPDHMAX,
	317	XFRMA_SPDICNT,
	318	XFRMA_SPDOCNT,
	319	XFRMA_SPDFCNT,
	320	XFRMA_SPDISCNT,
	321	XFRMA_SPDOSCNT,
	322	XFRMA_SPDFSCNT,
	323	__XFRMA_SPD_MAX
	324
	325	#define XFRMA_SPD_MAX (__XFRMA_SPD_MAX - 1)
	326	};
	327
1da177e4 LT	328	struct xfrm_usersa_info {
	329	struct xfrm_selector sel;
	330	struct xfrm_id id;
	331	xfrm_address_t saddr;
	332	struct xfrm_lifetime_cfg lft;
	333	struct xfrm_lifetime_cur curlft;
	334	struct xfrm_stats stats;
	335	__u32 seq;
	336	__u32 reqid;
	337	__u16 family;
7e49e6de	338	__u8 mode; /* XFRM_MODE_xxx */
1da177e4 LT	339	__u8 replay_window;
	340	__u8 flags;
	341	#define XFRM_STATE_NOECN 1
	342	#define XFRM_STATE_DECAP_DSCP 2
dd87147e	343	#define XFRM_STATE_NOPMTUDISC 4
fbd9a5b4	344	#define XFRM_STATE_WILDRECV 8
1da177e4 LT	345	};
	346
	347	struct xfrm_usersa_id {
	348	xfrm_address_t daddr;
9916ecb0	349	__be32 spi;
1da177e4 LT	350	__u16 family;
	351	__u8 proto;
	352	};
	353
f8cd5488	354	struct xfrm_aevent_id {
f8cd5488	355	struct xfrm_usersa_id sa_id;
2b5f6dcc	356	xfrm_address_t saddr;
4bf07ef3	357	__u32 flags;
2b5f6dcc	358	__u32 reqid;
f8cd5488 JHS	359	};
f8cd5488 JHS	360
1da177e4 LT	361	struct xfrm_userspi_info {
	362	struct xfrm_usersa_info info;
	363	__u32 min;
	364	__u32 max;
	365	};
	366
	367	struct xfrm_userpolicy_info {
	368	struct xfrm_selector sel;
	369	struct xfrm_lifetime_cfg lft;
	370	struct xfrm_lifetime_cur curlft;
	371	__u32 priority;
	372	__u32 index;
	373	__u8 dir;
	374	__u8 action;
	375	#define XFRM_POLICY_ALLOW 0
	376	#define XFRM_POLICY_BLOCK 1
	377	__u8 flags;
	378	#define XFRM_POLICY_LOCALOK 1 /* Allow user to override global policy */
	379	__u8 share;
	380	};
	381
	382	struct xfrm_userpolicy_id {
	383	struct xfrm_selector sel;
	384	__u32 index;
	385	__u8 dir;
	386	};
	387
	388	struct xfrm_user_acquire {
	389	struct xfrm_id id;
	390	xfrm_address_t saddr;
	391	struct xfrm_selector sel;
	392	struct xfrm_userpolicy_info policy;
	393	__u32 aalgos;
	394	__u32 ealgos;
	395	__u32 calgos;
	396	__u32 seq;
	397	};
	398
	399	struct xfrm_user_expire {
	400	struct xfrm_usersa_info state;
	401	__u8 hard;
	402	};
	403
	404	struct xfrm_user_polexpire {
	405	struct xfrm_userpolicy_info pol;
	406	__u8 hard;
	407	};
	408
	409	struct xfrm_usersa_flush {
	410	__u8 proto;
	411	};
	412
97a64b45 MN	413	struct xfrm_user_report {
	414	__u8 proto;
	415	struct xfrm_selector sel;
	416	};
	417
80c9abaa SS	418	struct xfrm_user_migrate {
	419	xfrm_address_t old_daddr;
	420	xfrm_address_t old_saddr;
	421	xfrm_address_t new_daddr;
	422	xfrm_address_t new_saddr;
	423	__u8 proto;
	424	__u8 mode;
	425	__u16 reserved;
	426	__u32 reqid;
	427	__u16 old_family;
	428	__u16 new_family;
	429	};
	430
ac6d439d PM	431	#ifndef __KERNEL__
ac6d439d PM	432	/* backwards compatibility for userspace */
1da177e4 LT	433	#define XFRMGRP_ACQUIRE 1
1da177e4 LT	434	#define XFRMGRP_EXPIRE 2
26b15dad JHS	435	#define XFRMGRP_SA 4
26b15dad JHS	436	#define XFRMGRP_POLICY 8
93366c53	437	#define XFRMGRP_REPORT 0x20
ac6d439d PM	438	#endif
	439
	440	enum xfrm_nlgroups {
	441	XFRMNLGRP_NONE,
	442	#define XFRMNLGRP_NONE XFRMNLGRP_NONE
	443	XFRMNLGRP_ACQUIRE,
	444	#define XFRMNLGRP_ACQUIRE XFRMNLGRP_ACQUIRE
	445	XFRMNLGRP_EXPIRE,
	446	#define XFRMNLGRP_EXPIRE XFRMNLGRP_EXPIRE
	447	XFRMNLGRP_SA,
	448	#define XFRMNLGRP_SA XFRMNLGRP_SA
	449	XFRMNLGRP_POLICY,
	450	#define XFRMNLGRP_POLICY XFRMNLGRP_POLICY
f8cd5488 JHS	451	XFRMNLGRP_AEVENTS,
f8cd5488 JHS	452	#define XFRMNLGRP_AEVENTS XFRMNLGRP_AEVENTS
97a64b45 MN	453	XFRMNLGRP_REPORT,
97a64b45 MN	454	#define XFRMNLGRP_REPORT XFRMNLGRP_REPORT
80c9abaa SS	455	XFRMNLGRP_MIGRATE,
80c9abaa SS	456	#define XFRMNLGRP_MIGRATE XFRMNLGRP_MIGRATE
ac6d439d PM	457	__XFRMNLGRP_MAX
	458	};
	459	#define XFRMNLGRP_MAX (__XFRMNLGRP_MAX - 1)
1da177e4 LT	460
1da177e4 LT	461	#endif /* _LINUX_XFRM_H */