include/linux/xfrm.h - kernel/msm-4.9 - Gitiles

 #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_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)
 };

 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)
 };

 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 */
	#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_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)
	};

	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)
	};

	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 */