[mirror_ubuntu-artful-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;
	__u32		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_MAX 4

/* 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_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;
	__u16		encap_sport;
	__u16		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)
};

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_MAX

#define XFRMA_MAX (__XFRMA_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;
	__u32				spi;
	__u16				family;
	__u8				proto;
};

struct xfrm_aevent_id {
	struct xfrm_usersa_id		sa_id;
	__u32				flags;
};

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;
};

#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		0x10
#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_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;
	26	__u32 spi;
	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
	131	#define XFRM_MODE_IN_TRIGGER 3
	132	#define XFRM_MODE_MAX 4
b59f45d0	133
1da177e4 LT	134	/* Netlink configuration messages. */
	135	enum {
	136	XFRM_MSG_BASE = 0x10,
	137
	138	XFRM_MSG_NEWSA = 0x10,
	139	#define XFRM_MSG_NEWSA XFRM_MSG_NEWSA
	140	XFRM_MSG_DELSA,
	141	#define XFRM_MSG_DELSA XFRM_MSG_DELSA
	142	XFRM_MSG_GETSA,
	143	#define XFRM_MSG_GETSA XFRM_MSG_GETSA
	144
	145	XFRM_MSG_NEWPOLICY,
	146	#define XFRM_MSG_NEWPOLICY XFRM_MSG_NEWPOLICY
	147	XFRM_MSG_DELPOLICY,
	148	#define XFRM_MSG_DELPOLICY XFRM_MSG_DELPOLICY
	149	XFRM_MSG_GETPOLICY,
	150	#define XFRM_MSG_GETPOLICY XFRM_MSG_GETPOLICY
	151
	152	XFRM_MSG_ALLOCSPI,
	153	#define XFRM_MSG_ALLOCSPI XFRM_MSG_ALLOCSPI
	154	XFRM_MSG_ACQUIRE,
	155	#define XFRM_MSG_ACQUIRE XFRM_MSG_ACQUIRE
	156	XFRM_MSG_EXPIRE,
	157	#define XFRM_MSG_EXPIRE XFRM_MSG_EXPIRE
	158
	159	XFRM_MSG_UPDPOLICY,
	160	#define XFRM_MSG_UPDPOLICY XFRM_MSG_UPDPOLICY
	161	XFRM_MSG_UPDSA,
	162	#define XFRM_MSG_UPDSA XFRM_MSG_UPDSA
	163
	164	XFRM_MSG_POLEXPIRE,
	165	#define XFRM_MSG_POLEXPIRE XFRM_MSG_POLEXPIRE
	166
	167	XFRM_MSG_FLUSHSA,
	168	#define XFRM_MSG_FLUSHSA XFRM_MSG_FLUSHSA
	169	XFRM_MSG_FLUSHPOLICY,
	170	#define XFRM_MSG_FLUSHPOLICY XFRM_MSG_FLUSHPOLICY
	171
f8cd5488 JHS	172	XFRM_MSG_NEWAE,
	173	#define XFRM_MSG_NEWAE XFRM_MSG_NEWAE
	174	XFRM_MSG_GETAE,
	175	#define XFRM_MSG_GETAE XFRM_MSG_GETAE
97a64b45 MN	176
	177	XFRM_MSG_REPORT,
	178	#define XFRM_MSG_REPORT XFRM_MSG_REPORT
	179
526bdb80	180	__XFRM_MSG_MAX
1da177e4	181	};
526bdb80	182	#define XFRM_MSG_MAX (__XFRM_MSG_MAX - 1)
1da177e4	183
492b558b TG	184	#define XFRM_NR_MSGTYPES (XFRM_MSG_MAX + 1 - XFRM_MSG_BASE)
492b558b TG	185
df71837d TJ	186	/*
	187	* Generic LSM security context for comunicating to user space
	188	* NOTE: Same format as sadb_x_sec_ctx
	189	*/
	190	struct xfrm_user_sec_ctx {
	191	__u16 len;
	192	__u16 exttype;
	193	__u8 ctx_alg; /* LSMs: e.g., selinux == 1 */
	194	__u8 ctx_doi;
	195	__u16 ctx_len;
	196	};
	197
1da177e4 LT	198	struct xfrm_user_tmpl {
	199	struct xfrm_id id;
	200	__u16 family;
	201	xfrm_address_t saddr;
	202	__u32 reqid;
	203	__u8 mode;
	204	__u8 share;
	205	__u8 optional;
	206	__u32 aalgos;
	207	__u32 ealgos;
	208	__u32 calgos;
	209	};
	210
	211	struct xfrm_encap_tmpl {
	212	__u16 encap_type;
	213	__u16 encap_sport;
	214	__u16 encap_dport;
	215	xfrm_address_t encap_oa;
	216	};
	217
f8cd5488 JHS	218	/* AEVENT flags */
	219	enum xfrm_ae_ftype_t {
	220	XFRM_AE_UNSPEC,
	221	XFRM_AE_RTHR=1, /* replay threshold*/
	222	XFRM_AE_RVAL=2, /* replay value */
	223	XFRM_AE_LVAL=4, /* lifetime value */
	224	XFRM_AE_ETHR=8, /* expiry timer threshold */
	225	XFRM_AE_CR=16, /* Event cause is replay update */
	226	XFRM_AE_CE=32, /* Event cause is timer expiry */
	227	XFRM_AE_CU=64, /* Event cause is policy update */
	228	__XFRM_AE_MAX
	229
	230	#define XFRM_AE_MAX (__XFRM_AE_MAX - 1)
	231	};
	232
f7b6983f MN	233	struct xfrm_userpolicy_type {
	234	__u8 type;
	235	__u16 reserved1;
	236	__u8 reserved2;
	237	};
	238
1da177e4 LT	239	/* Netlink message attributes. */
	240	enum xfrm_attr_type_t {
	241	XFRMA_UNSPEC,
	242	XFRMA_ALG_AUTH, /* struct xfrm_algo */
	243	XFRMA_ALG_CRYPT, /* struct xfrm_algo */
	244	XFRMA_ALG_COMP, /* struct xfrm_algo */
	245	XFRMA_ENCAP, /* struct xfrm_algo + struct xfrm_encap_tmpl */
	246	XFRMA_TMPL, /* 1 or more struct xfrm_user_tmpl */
0603eac0 HX	247	XFRMA_SA,
0603eac0 HX	248	XFRMA_POLICY,
df71837d	249	XFRMA_SEC_CTX, /* struct xfrm_sec_ctx */
f8cd5488 JHS	250	XFRMA_LTIME_VAL,
	251	XFRMA_REPLAY_VAL,
	252	XFRMA_REPLAY_THRESH,
	253	XFRMA_ETIMER_THRESH,
eb2971b6	254	XFRMA_SRCADDR, /* xfrm_address_t */
060f02a3	255	XFRMA_COADDR, /* xfrm_address_t */
9afaca05	256	XFRMA_LASTUSED,
f7b6983f	257	XFRMA_POLICY_TYPE, /* struct xfrm_userpolicy_type */
1da177e4 LT	258	__XFRMA_MAX
	259
	260	#define XFRMA_MAX (__XFRMA_MAX - 1)
	261	};
	262
	263	struct xfrm_usersa_info {
	264	struct xfrm_selector sel;
	265	struct xfrm_id id;
	266	xfrm_address_t saddr;
	267	struct xfrm_lifetime_cfg lft;
	268	struct xfrm_lifetime_cur curlft;
	269	struct xfrm_stats stats;
	270	__u32 seq;
	271	__u32 reqid;
	272	__u16 family;
7e49e6de	273	__u8 mode; /* XFRM_MODE_xxx */
1da177e4 LT	274	__u8 replay_window;
	275	__u8 flags;
	276	#define XFRM_STATE_NOECN 1
	277	#define XFRM_STATE_DECAP_DSCP 2
dd87147e	278	#define XFRM_STATE_NOPMTUDISC 4
fbd9a5b4	279	#define XFRM_STATE_WILDRECV 8
1da177e4 LT	280	};
	281
	282	struct xfrm_usersa_id {
	283	xfrm_address_t daddr;
	284	__u32 spi;
	285	__u16 family;
	286	__u8 proto;
	287	};
	288
f8cd5488	289	struct xfrm_aevent_id {
f8cd5488	290	struct xfrm_usersa_id sa_id;
4bf07ef3	291	__u32 flags;
f8cd5488 JHS	292	};
f8cd5488 JHS	293
1da177e4 LT	294	struct xfrm_userspi_info {
	295	struct xfrm_usersa_info info;
	296	__u32 min;
	297	__u32 max;
	298	};
	299
	300	struct xfrm_userpolicy_info {
	301	struct xfrm_selector sel;
	302	struct xfrm_lifetime_cfg lft;
	303	struct xfrm_lifetime_cur curlft;
	304	__u32 priority;
	305	__u32 index;
	306	__u8 dir;
	307	__u8 action;
	308	#define XFRM_POLICY_ALLOW 0
	309	#define XFRM_POLICY_BLOCK 1
	310	__u8 flags;
	311	#define XFRM_POLICY_LOCALOK 1 /* Allow user to override global policy */
	312	__u8 share;
	313	};
	314
	315	struct xfrm_userpolicy_id {
	316	struct xfrm_selector sel;
	317	__u32 index;
	318	__u8 dir;
	319	};
	320
	321	struct xfrm_user_acquire {
	322	struct xfrm_id id;
	323	xfrm_address_t saddr;
	324	struct xfrm_selector sel;
	325	struct xfrm_userpolicy_info policy;
	326	__u32 aalgos;
	327	__u32 ealgos;
	328	__u32 calgos;
	329	__u32 seq;
	330	};
	331
	332	struct xfrm_user_expire {
	333	struct xfrm_usersa_info state;
	334	__u8 hard;
	335	};
	336
	337	struct xfrm_user_polexpire {
	338	struct xfrm_userpolicy_info pol;
	339	__u8 hard;
	340	};
	341
	342	struct xfrm_usersa_flush {
	343	__u8 proto;
	344	};
	345
97a64b45 MN	346	struct xfrm_user_report {
	347	__u8 proto;
	348	struct xfrm_selector sel;
	349	};
	350
ac6d439d PM	351	#ifndef __KERNEL__
ac6d439d PM	352	/* backwards compatibility for userspace */
1da177e4 LT	353	#define XFRMGRP_ACQUIRE 1
1da177e4 LT	354	#define XFRMGRP_EXPIRE 2
26b15dad JHS	355	#define XFRMGRP_SA 4
26b15dad JHS	356	#define XFRMGRP_POLICY 8
97a64b45	357	#define XFRMGRP_REPORT 0x10
ac6d439d PM	358	#endif
	359
	360	enum xfrm_nlgroups {
	361	XFRMNLGRP_NONE,
	362	#define XFRMNLGRP_NONE XFRMNLGRP_NONE
	363	XFRMNLGRP_ACQUIRE,
	364	#define XFRMNLGRP_ACQUIRE XFRMNLGRP_ACQUIRE
	365	XFRMNLGRP_EXPIRE,
	366	#define XFRMNLGRP_EXPIRE XFRMNLGRP_EXPIRE
	367	XFRMNLGRP_SA,
	368	#define XFRMNLGRP_SA XFRMNLGRP_SA
	369	XFRMNLGRP_POLICY,
	370	#define XFRMNLGRP_POLICY XFRMNLGRP_POLICY
f8cd5488 JHS	371	XFRMNLGRP_AEVENTS,
f8cd5488 JHS	372	#define XFRMNLGRP_AEVENTS XFRMNLGRP_AEVENTS
97a64b45 MN	373	XFRMNLGRP_REPORT,
97a64b45 MN	374	#define XFRMNLGRP_REPORT XFRMNLGRP_REPORT
ac6d439d PM	375	__XFRMNLGRP_MAX
	376	};
	377	#define XFRMNLGRP_MAX (__XFRMNLGRP_MAX - 1)
1da177e4 LT	378
1da177e4 LT	379	#endif /* _LINUX_XFRM_H */