[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;
	__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;
	__kernel_uid32_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];
	unsigned int	alg_key_len;    /* in bits */
	char		alg_key[0];
};

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

struct xfrm_algo_aead {
	char		alg_name[64];
	unsigned int	alg_key_len;	/* in bits */
	unsigned int	alg_icv_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,
	XFRM_POLICY_TYPE_ANY	= 255
};

enum {
	XFRM_POLICY_IN	= 0,
	XFRM_POLICY_OUT	= 1,
	XFRM_POLICY_FWD	= 2,
	XFRM_POLICY_MASK = 3,
	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_MAPPING,
#define XFRM_MSG_MAPPING XFRM_MSG_MAPPING
	__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_ALG_AEAD,		/* struct xfrm_algo_aead */
	XFRMA_KMADDRESS,        /* struct xfrm_user_kmaddress */
	XFRMA_ALG_AUTH_TRUNC,	/* struct xfrm_algo_auth */
	__XFRMA_MAX

#define XFRMA_MAX (__XFRMA_MAX - 1)
};

enum xfrm_sadattr_type_t {
	XFRMA_SAD_UNSPEC,
	XFRMA_SAD_CNT,
	XFRMA_SAD_HINFO,
	__XFRMA_SAD_MAX

#define XFRMA_SAD_MAX (__XFRMA_SAD_MAX - 1)
};

struct xfrmu_sadhinfo {
	__u32 sadhcnt; /* current hash bkts */
	__u32 sadhmcnt; /* max allowed hash bkts */
};

enum xfrm_spdattr_type_t {
	XFRMA_SPD_UNSPEC,
	XFRMA_SPD_INFO,
	XFRMA_SPD_HINFO,
	__XFRMA_SPD_MAX

#define XFRMA_SPD_MAX (__XFRMA_SPD_MAX - 1)
};

struct xfrmu_spdinfo {
	__u32 incnt;
	__u32 outcnt;
	__u32 fwdcnt;
	__u32 inscnt;
	__u32 outscnt;
	__u32 fwdscnt;
};

struct xfrmu_spdhinfo {
	__u32 spdhcnt;
	__u32 spdhmcnt;
};

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
#define XFRM_STATE_ICMP		16
#define XFRM_STATE_AF_UNSPEC	32
};

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 */
	/* Automatically expand selector to include matching ICMP payloads. */
#define XFRM_POLICY_ICMP	2
	__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;
};

/* Used by MIGRATE to pass addresses IKE should use to perform
 * SA negotiation with the peer */
struct xfrm_user_kmaddress {
	xfrm_address_t                  local;
	xfrm_address_t                  remote;
	__u32				reserved;
	__u16				family;
};

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;
};

struct xfrm_user_mapping {
	struct xfrm_usersa_id		id;
	__u32				reqid;
	xfrm_address_t			old_saddr;
	xfrm_address_t			new_saddr;
	__be16				old_sport;
	__be16				new_sport;
};

#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_MAPPING,
#define XFRMNLGRP_MAPPING	XFRMNLGRP_MAPPING
	__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	*/
d94d9fee	13	typedef union {
737b5761 AV	14	__be32 a4;
737b5761 AV	15	__be32 a6[4];
1da177e4 LT	16	} xfrm_address_t;
	17
	18	/* Ident of a specific xfrm_state. It is used on input to lookup
	19	* the state by (spi,daddr,ah/esp) or to store information about
	20	* spi, protocol and tunnel address on output.
	21	*/
d94d9fee	22	struct xfrm_id {
1da177e4	23	xfrm_address_t daddr;
e037c39b	24	__be32 spi;
1da177e4 LT	25	__u8 proto;
	26	};
	27
df71837d TJ	28	struct xfrm_sec_ctx {
	29	__u8 ctx_doi;
	30	__u8 ctx_alg;
	31	__u16 ctx_len;
	32	__u32 ctx_sid;
	33	char ctx_str[0];
	34	};
	35
	36	/* Security Context Domains of Interpretation */
	37	#define XFRM_SC_DOI_RESERVED 0
	38	#define XFRM_SC_DOI_LSM 1
	39
	40	/* Security Context Algorithms */
	41	#define XFRM_SC_ALG_RESERVED 0
	42	#define XFRM_SC_ALG_SELINUX 1
	43
1da177e4 LT	44	/* Selector, used as selector both on policy rules (SPD) and SAs. */
1da177e4 LT	45
d94d9fee	46	struct xfrm_selector {
1da177e4 LT	47	xfrm_address_t daddr;
1da177e4 LT	48	xfrm_address_t saddr;
8f83f23e AV	49	__be16 dport;
	50	__be16 dport_mask;
	51	__be16 sport;
	52	__be16 sport_mask;
1da177e4 LT	53	__u16 family;
	54	__u8 prefixlen_d;
	55	__u8 prefixlen_s;
	56	__u8 proto;
	57	int ifindex;
85efde6f	58	__kernel_uid32_t user;
1da177e4 LT	59	};
	60
	61	#define XFRM_INF (~(__u64)0)
	62
d94d9fee	63	struct xfrm_lifetime_cfg {
1da177e4 LT	64	__u64 soft_byte_limit;
	65	__u64 hard_byte_limit;
	66	__u64 soft_packet_limit;
	67	__u64 hard_packet_limit;
	68	__u64 soft_add_expires_seconds;
	69	__u64 hard_add_expires_seconds;
	70	__u64 soft_use_expires_seconds;
	71	__u64 hard_use_expires_seconds;
	72	};
	73
d94d9fee	74	struct xfrm_lifetime_cur {
1da177e4 LT	75	__u64 bytes;
	76	__u64 packets;
	77	__u64 add_time;
	78	__u64 use_time;
	79	};
	80
d94d9fee	81	struct xfrm_replay_state {
1da177e4 LT	82	__u32 oseq;
	83	__u32 seq;
	84	__u32 bitmap;
	85	};
	86
	87	struct xfrm_algo {
3f4afb64	88	char alg_name[64];
ba749ae9	89	unsigned int alg_key_len; /* in bits */
3f4afb64	90	char alg_key[0];
1da177e4 LT	91	};
1da177e4 LT	92
4e242d16 MW	93	struct xfrm_algo_auth {
	94	char alg_name[64];
	95	unsigned int alg_key_len; /* in bits */
	96	unsigned int alg_trunc_len; /* in bits */
	97	char alg_key[0];
	98	};
	99
1a6509d9	100	struct xfrm_algo_aead {
461e6c85 ED	101	char alg_name[64];
	102	unsigned int alg_key_len; /* in bits */
	103	unsigned int alg_icv_len; /* in bits */
	104	char alg_key[0];
1a6509d9 HX	105	};
1a6509d9 HX	106
1da177e4 LT	107	struct xfrm_stats {
	108	__u32 replay_window;
	109	__u32 replay;
	110	__u32 integrity_failed;
	111	};
	112
d94d9fee	113	enum {
4e81bb83 MN	114	XFRM_POLICY_TYPE_MAIN = 0,
4e81bb83 MN	115	XFRM_POLICY_TYPE_SUB = 1,
4c563f76 TT	116	XFRM_POLICY_TYPE_MAX = 2,
4c563f76 TT	117	XFRM_POLICY_TYPE_ANY = 255
4e81bb83 MN	118	};
4e81bb83 MN	119
d94d9fee	120	enum {
1da177e4 LT	121	XFRM_POLICY_IN = 0,
	122	XFRM_POLICY_OUT = 1,
	123	XFRM_POLICY_FWD = 2,
d5422efe	124	XFRM_POLICY_MASK = 3,
1da177e4 LT	125	XFRM_POLICY_MAX = 3
	126	};
	127
d94d9fee	128	enum {
1da177e4 LT	129	XFRM_SHARE_ANY, /* No limitations */
	130	XFRM_SHARE_SESSION, /* For this session only */
	131	XFRM_SHARE_USER, /* For this user only */
	132	XFRM_SHARE_UNIQUE /* Use once */
	133	};
	134
b59f45d0 HX	135	#define XFRM_MODE_TRANSPORT 0
b59f45d0 HX	136	#define XFRM_MODE_TUNNEL 1
7e49e6de MN	137	#define XFRM_MODE_ROUTEOPTIMIZATION 2
7e49e6de MN	138	#define XFRM_MODE_IN_TRIGGER 3
0a69452c DB	139	#define XFRM_MODE_BEET 4
0a69452c DB	140	#define XFRM_MODE_MAX 5
b59f45d0	141
1da177e4 LT	142	/* Netlink configuration messages. */
	143	enum {
	144	XFRM_MSG_BASE = 0x10,
	145
	146	XFRM_MSG_NEWSA = 0x10,
	147	#define XFRM_MSG_NEWSA XFRM_MSG_NEWSA
	148	XFRM_MSG_DELSA,
	149	#define XFRM_MSG_DELSA XFRM_MSG_DELSA
	150	XFRM_MSG_GETSA,
	151	#define XFRM_MSG_GETSA XFRM_MSG_GETSA
	152
	153	XFRM_MSG_NEWPOLICY,
	154	#define XFRM_MSG_NEWPOLICY XFRM_MSG_NEWPOLICY
	155	XFRM_MSG_DELPOLICY,
	156	#define XFRM_MSG_DELPOLICY XFRM_MSG_DELPOLICY
	157	XFRM_MSG_GETPOLICY,
	158	#define XFRM_MSG_GETPOLICY XFRM_MSG_GETPOLICY
	159
	160	XFRM_MSG_ALLOCSPI,
	161	#define XFRM_MSG_ALLOCSPI XFRM_MSG_ALLOCSPI
	162	XFRM_MSG_ACQUIRE,
	163	#define XFRM_MSG_ACQUIRE XFRM_MSG_ACQUIRE
	164	XFRM_MSG_EXPIRE,
	165	#define XFRM_MSG_EXPIRE XFRM_MSG_EXPIRE
	166
	167	XFRM_MSG_UPDPOLICY,
	168	#define XFRM_MSG_UPDPOLICY XFRM_MSG_UPDPOLICY
	169	XFRM_MSG_UPDSA,
	170	#define XFRM_MSG_UPDSA XFRM_MSG_UPDSA
	171
	172	XFRM_MSG_POLEXPIRE,
	173	#define XFRM_MSG_POLEXPIRE XFRM_MSG_POLEXPIRE
	174
	175	XFRM_MSG_FLUSHSA,
	176	#define XFRM_MSG_FLUSHSA XFRM_MSG_FLUSHSA
	177	XFRM_MSG_FLUSHPOLICY,
	178	#define XFRM_MSG_FLUSHPOLICY XFRM_MSG_FLUSHPOLICY
	179
f8cd5488 JHS	180	XFRM_MSG_NEWAE,
	181	#define XFRM_MSG_NEWAE XFRM_MSG_NEWAE
	182	XFRM_MSG_GETAE,
	183	#define XFRM_MSG_GETAE XFRM_MSG_GETAE
97a64b45 MN	184
	185	XFRM_MSG_REPORT,
	186	#define XFRM_MSG_REPORT XFRM_MSG_REPORT
	187
80c9abaa SS	188	XFRM_MSG_MIGRATE,
	189	#define XFRM_MSG_MIGRATE XFRM_MSG_MIGRATE
	190
28d8909b JHS	191	XFRM_MSG_NEWSADINFO,
	192	#define XFRM_MSG_NEWSADINFO XFRM_MSG_NEWSADINFO
	193	XFRM_MSG_GETSADINFO,
	194	#define XFRM_MSG_GETSADINFO XFRM_MSG_GETSADINFO
ecfd6b18 JHS	195
	196	XFRM_MSG_NEWSPDINFO,
	197	#define XFRM_MSG_NEWSPDINFO XFRM_MSG_NEWSPDINFO
	198	XFRM_MSG_GETSPDINFO,
	199	#define XFRM_MSG_GETSPDINFO XFRM_MSG_GETSPDINFO
3a2dfbe8 MW	200
	201	XFRM_MSG_MAPPING,
	202	#define XFRM_MSG_MAPPING XFRM_MSG_MAPPING
526bdb80	203	__XFRM_MSG_MAX
1da177e4	204	};
526bdb80	205	#define XFRM_MSG_MAX (__XFRM_MSG_MAX - 1)
1da177e4	206
492b558b TG	207	#define XFRM_NR_MSGTYPES (XFRM_MSG_MAX + 1 - XFRM_MSG_BASE)
492b558b TG	208
df71837d TJ	209	/*
	210	* Generic LSM security context for comunicating to user space
	211	* NOTE: Same format as sadb_x_sec_ctx
	212	*/
	213	struct xfrm_user_sec_ctx {
	214	__u16 len;
	215	__u16 exttype;
	216	__u8 ctx_alg; /* LSMs: e.g., selinux == 1 */
	217	__u8 ctx_doi;
	218	__u16 ctx_len;
	219	};
	220
1da177e4 LT	221	struct xfrm_user_tmpl {
	222	struct xfrm_id id;
	223	__u16 family;
	224	xfrm_address_t saddr;
	225	__u32 reqid;
	226	__u8 mode;
	227	__u8 share;
	228	__u8 optional;
	229	__u32 aalgos;
	230	__u32 ealgos;
	231	__u32 calgos;
	232	};
	233
	234	struct xfrm_encap_tmpl {
	235	__u16 encap_type;
d5a0a1e3 AV	236	__be16 encap_sport;
d5a0a1e3 AV	237	__be16 encap_dport;
1da177e4 LT	238	xfrm_address_t encap_oa;
	239	};
	240
f8cd5488 JHS	241	/* AEVENT flags */
	242	enum xfrm_ae_ftype_t {
	243	XFRM_AE_UNSPEC,
	244	XFRM_AE_RTHR=1, /* replay threshold*/
	245	XFRM_AE_RVAL=2, /* replay value */
	246	XFRM_AE_LVAL=4, /* lifetime value */
	247	XFRM_AE_ETHR=8, /* expiry timer threshold */
	248	XFRM_AE_CR=16, /* Event cause is replay update */
	249	XFRM_AE_CE=32, /* Event cause is timer expiry */
	250	XFRM_AE_CU=64, /* Event cause is policy update */
	251	__XFRM_AE_MAX
	252
	253	#define XFRM_AE_MAX (__XFRM_AE_MAX - 1)
	254	};
	255
f7b6983f MN	256	struct xfrm_userpolicy_type {
	257	__u8 type;
	258	__u16 reserved1;
	259	__u8 reserved2;
	260	};
	261
1da177e4 LT	262	/* Netlink message attributes. */
	263	enum xfrm_attr_type_t {
	264	XFRMA_UNSPEC,
	265	XFRMA_ALG_AUTH, /* struct xfrm_algo */
	266	XFRMA_ALG_CRYPT, /* struct xfrm_algo */
	267	XFRMA_ALG_COMP, /* struct xfrm_algo */
	268	XFRMA_ENCAP, /* struct xfrm_algo + struct xfrm_encap_tmpl */
	269	XFRMA_TMPL, /* 1 or more struct xfrm_user_tmpl */
0603eac0 HX	270	XFRMA_SA,
0603eac0 HX	271	XFRMA_POLICY,
df71837d	272	XFRMA_SEC_CTX, /* struct xfrm_sec_ctx */
f8cd5488 JHS	273	XFRMA_LTIME_VAL,
	274	XFRMA_REPLAY_VAL,
	275	XFRMA_REPLAY_THRESH,
	276	XFRMA_ETIMER_THRESH,
eb2971b6	277	XFRMA_SRCADDR, /* xfrm_address_t */
060f02a3	278	XFRMA_COADDR, /* xfrm_address_t */
9afaca05	279	XFRMA_LASTUSED,
f7b6983f	280	XFRMA_POLICY_TYPE, /* struct xfrm_userpolicy_type */
80c9abaa	281	XFRMA_MIGRATE,
1a6509d9	282	XFRMA_ALG_AEAD, /* struct xfrm_algo_aead */
13c1d189	283	XFRMA_KMADDRESS, /* struct xfrm_user_kmaddress */
4e242d16	284	XFRMA_ALG_AUTH_TRUNC, /* struct xfrm_algo_auth */
1da177e4 LT	285	__XFRMA_MAX
	286
	287	#define XFRMA_MAX (__XFRMA_MAX - 1)
	288	};
	289
28d8909b JHS	290	enum xfrm_sadattr_type_t {
28d8909b JHS	291	XFRMA_SAD_UNSPEC,
af11e316 JHS	292	XFRMA_SAD_CNT,
af11e316 JHS	293	XFRMA_SAD_HINFO,
28d8909b JHS	294	__XFRMA_SAD_MAX
	295
	296	#define XFRMA_SAD_MAX (__XFRMA_SAD_MAX - 1)
	297	};
	298
af11e316 JHS	299	struct xfrmu_sadhinfo {
	300	__u32 sadhcnt; /* current hash bkts */
	301	__u32 sadhmcnt; /* max allowed hash bkts */
	302	};
	303
ecfd6b18 JHS	304	enum xfrm_spdattr_type_t {
ecfd6b18 JHS	305	XFRMA_SPD_UNSPEC,
5a6d3416 JHS	306	XFRMA_SPD_INFO,
5a6d3416 JHS	307	XFRMA_SPD_HINFO,
ecfd6b18 JHS	308	__XFRMA_SPD_MAX
	309
	310	#define XFRMA_SPD_MAX (__XFRMA_SPD_MAX - 1)
	311	};
	312
5a6d3416 JHS	313	struct xfrmu_spdinfo {
	314	__u32 incnt;
	315	__u32 outcnt;
	316	__u32 fwdcnt;
	317	__u32 inscnt;
	318	__u32 outscnt;
	319	__u32 fwdscnt;
	320	};
	321
	322	struct xfrmu_spdhinfo {
	323	__u32 spdhcnt;
	324	__u32 spdhmcnt;
	325	};
	326
1da177e4 LT	327	struct xfrm_usersa_info {
	328	struct xfrm_selector sel;
	329	struct xfrm_id id;
	330	xfrm_address_t saddr;
	331	struct xfrm_lifetime_cfg lft;
	332	struct xfrm_lifetime_cur curlft;
	333	struct xfrm_stats stats;
	334	__u32 seq;
	335	__u32 reqid;
	336	__u16 family;
7e49e6de	337	__u8 mode; /* XFRM_MODE_xxx */
1da177e4 LT	338	__u8 replay_window;
	339	__u8 flags;
	340	#define XFRM_STATE_NOECN 1
	341	#define XFRM_STATE_DECAP_DSCP 2
dd87147e	342	#define XFRM_STATE_NOPMTUDISC 4
fbd9a5b4	343	#define XFRM_STATE_WILDRECV 8
8b7817f3	344	#define XFRM_STATE_ICMP 16
ccf9b3b8	345	#define XFRM_STATE_AF_UNSPEC 32
1da177e4 LT	346	};
	347
	348	struct xfrm_usersa_id {
	349	xfrm_address_t daddr;
9916ecb0	350	__be32 spi;
1da177e4 LT	351	__u16 family;
	352	__u8 proto;
	353	};
	354
f8cd5488	355	struct xfrm_aevent_id {
f8cd5488	356	struct xfrm_usersa_id sa_id;
2b5f6dcc	357	xfrm_address_t saddr;
4bf07ef3	358	__u32 flags;
2b5f6dcc	359	__u32 reqid;
f8cd5488 JHS	360	};
f8cd5488 JHS	361
1da177e4 LT	362	struct xfrm_userspi_info {
	363	struct xfrm_usersa_info info;
	364	__u32 min;
	365	__u32 max;
	366	};
	367
	368	struct xfrm_userpolicy_info {
	369	struct xfrm_selector sel;
	370	struct xfrm_lifetime_cfg lft;
	371	struct xfrm_lifetime_cur curlft;
	372	__u32 priority;
	373	__u32 index;
	374	__u8 dir;
	375	__u8 action;
	376	#define XFRM_POLICY_ALLOW 0
	377	#define XFRM_POLICY_BLOCK 1
	378	__u8 flags;
	379	#define XFRM_POLICY_LOCALOK 1 /* Allow user to override global policy */
8b7817f3 HX	380	/* Automatically expand selector to include matching ICMP payloads. */
8b7817f3 HX	381	#define XFRM_POLICY_ICMP 2
1da177e4 LT	382	__u8 share;
	383	};
	384
	385	struct xfrm_userpolicy_id {
	386	struct xfrm_selector sel;
	387	__u32 index;
	388	__u8 dir;
	389	};
	390
	391	struct xfrm_user_acquire {
	392	struct xfrm_id id;
	393	xfrm_address_t saddr;
	394	struct xfrm_selector sel;
	395	struct xfrm_userpolicy_info policy;
	396	__u32 aalgos;
	397	__u32 ealgos;
	398	__u32 calgos;
	399	__u32 seq;
	400	};
	401
	402	struct xfrm_user_expire {
	403	struct xfrm_usersa_info state;
	404	__u8 hard;
	405	};
	406
	407	struct xfrm_user_polexpire {
	408	struct xfrm_userpolicy_info pol;
	409	__u8 hard;
	410	};
	411
	412	struct xfrm_usersa_flush {
	413	__u8 proto;
	414	};
	415
97a64b45 MN	416	struct xfrm_user_report {
	417	__u8 proto;
	418	struct xfrm_selector sel;
	419	};
	420
13c1d189 AE	421	/* Used by MIGRATE to pass addresses IKE should use to perform
	422	* SA negotiation with the peer */
	423	struct xfrm_user_kmaddress {
	424	xfrm_address_t local;
	425	xfrm_address_t remote;
	426	__u32 reserved;
	427	__u16 family;
	428	};
	429
80c9abaa SS	430	struct xfrm_user_migrate {
	431	xfrm_address_t old_daddr;
	432	xfrm_address_t old_saddr;
	433	xfrm_address_t new_daddr;
	434	xfrm_address_t new_saddr;
	435	__u8 proto;
	436	__u8 mode;
	437	__u16 reserved;
	438	__u32 reqid;
	439	__u16 old_family;
	440	__u16 new_family;
	441	};
	442
3a2dfbe8 MW	443	struct xfrm_user_mapping {
	444	struct xfrm_usersa_id id;
	445	__u32 reqid;
	446	xfrm_address_t old_saddr;
	447	xfrm_address_t new_saddr;
	448	__be16 old_sport;
	449	__be16 new_sport;
	450	};
	451
ac6d439d PM	452	#ifndef __KERNEL__
ac6d439d PM	453	/* backwards compatibility for userspace */
1da177e4 LT	454	#define XFRMGRP_ACQUIRE 1
1da177e4 LT	455	#define XFRMGRP_EXPIRE 2
26b15dad JHS	456	#define XFRMGRP_SA 4
26b15dad JHS	457	#define XFRMGRP_POLICY 8
93366c53	458	#define XFRMGRP_REPORT 0x20
ac6d439d PM	459	#endif
	460
	461	enum xfrm_nlgroups {
	462	XFRMNLGRP_NONE,
	463	#define XFRMNLGRP_NONE XFRMNLGRP_NONE
	464	XFRMNLGRP_ACQUIRE,
	465	#define XFRMNLGRP_ACQUIRE XFRMNLGRP_ACQUIRE
	466	XFRMNLGRP_EXPIRE,
	467	#define XFRMNLGRP_EXPIRE XFRMNLGRP_EXPIRE
	468	XFRMNLGRP_SA,
	469	#define XFRMNLGRP_SA XFRMNLGRP_SA
	470	XFRMNLGRP_POLICY,
	471	#define XFRMNLGRP_POLICY XFRMNLGRP_POLICY
f8cd5488 JHS	472	XFRMNLGRP_AEVENTS,
f8cd5488 JHS	473	#define XFRMNLGRP_AEVENTS XFRMNLGRP_AEVENTS
97a64b45 MN	474	XFRMNLGRP_REPORT,
97a64b45 MN	475	#define XFRMNLGRP_REPORT XFRMNLGRP_REPORT
80c9abaa SS	476	XFRMNLGRP_MIGRATE,
80c9abaa SS	477	#define XFRMNLGRP_MIGRATE XFRMNLGRP_MIGRATE
3a2dfbe8 MW	478	XFRMNLGRP_MAPPING,
3a2dfbe8 MW	479	#define XFRMNLGRP_MAPPING XFRMNLGRP_MAPPING
ac6d439d PM	480	__XFRMNLGRP_MAX
	481	};
	482	#define XFRMNLGRP_MAX (__XFRMNLGRP_MAX - 1)
1da177e4 LT	483
1da177e4 LT	484	#endif /* _LINUX_XFRM_H */