/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/* PF_KEY user interface, this is defined by rfc2367 so
* do not make arbitrary modifications or else this header
* file will not be compliant.
*/
#ifndef _LINUX_PFKEY2_H
#define _LINUX_PFKEY2_H
#include <linux/types.h>
#define PF_KEY_V2 2
#define PFKEYV2_REVISION 199806L
struct sadb_msg {
__u8 sadb_msg_version;
__u8 sadb_msg_type;
__u8 sadb_msg_errno;
__u8 sadb_msg_satype;
__u16 sadb_msg_len;
__u16 sadb_msg_reserved;
__u32 sadb_msg_seq;
__u32 sadb_msg_pid;
} __attribute__((packed));
/* sizeof(struct sadb_msg) == 16 */
struct sadb_ext {
__u16 sadb_ext_len;
__u16 sadb_ext_type;
} __attribute__((packed));
/* sizeof(struct sadb_ext) == 4 */
struct sadb_sa {
__u16 sadb_sa_len;
__u16 sadb_sa_exttype;
__be32 sadb_sa_spi;
__u8 sadb_sa_replay;
__u8 sadb_sa_state;
__u8 sadb_sa_auth;
__u8 sadb_sa_encrypt;
__u32 sadb_sa_flags;
} __attribute__((packed));
/* sizeof(struct sadb_sa) == 16 */
struct sadb_lifetime {
__u16 sadb_lifetime_len;
__u16 sadb_lifetime_exttype;
__u32 sadb_lifetime_allocations;
__u64 sadb_lifetime_bytes;
__u64 sadb_lifetime_addtime;
__u64 sadb_lifetime_usetime;
} __attribute__((packed));
/* sizeof(struct sadb_lifetime) == 32 */
struct sadb_address {
__u16 sadb_address_len;
__u16 sadb_address_exttype;
__u8 sadb_address_proto;
__u8 sadb_address_prefixlen;
__u16 sadb_address_reserved;
} __attribute__((packed));
/* sizeof(struct sadb_address) == 8 */
struct sadb_key {
__u16 sadb_key_len;
__u16 sadb_key_exttype;
__u16 sadb_key_bits;
__u16 sadb_key_reserved;
} __attribute__((packed));
/* sizeof(struct sadb_key) == 8 */
struct sadb_ident {
__u16 sadb_ident_len;
__u16 sadb_ident_exttype;
__u16 sadb_ident_type;
__u16 sadb_ident_reserved;
__u64 sadb_ident_id;
} __attribute__((packed));
/* sizeof(struct sadb_ident) == 16 */
struct sadb_sens {
__u16 sadb_sens_len;
__u16 sadb_sens_exttype;
__u32 sadb_sens_dpd;
__u8 sadb_sens_sens_level;
__u8 sadb_sens_sens_len;
__u8 sadb_sens_integ_level;
__u8 sadb_sens_integ_len;
__u32 sadb_sens_reserved;
} __attribute__((packed));
/* sizeof(struct sadb_sens) == 16 */
/* followed by:
__u64 sadb_sens_bitmap[sens_len];
__u64 sadb_integ_bitmap[integ_len]; */
struct sadb_prop {
__u16 sadb_prop_len;
__u16 sadb_prop_exttype;
__u8 sadb_prop_replay;
__u8 sadb_prop_reserved[3];
} __attribute__((packed));
/* sizeof(struct sadb_prop) == 8 */
/* followed by:
struct sadb_comb sadb_combs[(sadb_prop_len +
sizeof(__u64) - sizeof(struct sadb_prop)) /
sizeof(struct sadb_comb)]; */
struct sadb_comb {
__u8 sadb_comb_auth;
__u8 sadb_comb_encrypt;
__u16 sadb_comb_flags;
__u16 sadb_comb_auth_minbits;
__u16 sadb_comb_auth_maxbits;
__u16 sadb_comb_encrypt_minbits;
__u16 sadb_comb_encrypt_maxbits;
__u32 sadb_comb_reserved;
__u32 sadb_comb_soft_allocations;
__u32 sadb_comb_hard_allocations;
__u64 sadb_comb_soft_bytes;
__u64 sadb_comb_hard_bytes;
__u64 sadb_comb_soft_addtime;
__u64 sadb_comb_hard_addtime;
__u64 sadb_comb_soft_usetime;
__u64 sadb_comb_hard_usetime;
} __attribute__((packed));
/* sizeof(struct sadb_comb) == 72 */
struct sadb_supported {
__u16 sadb_supported_len;
__u16 sadb_supported_exttype;
__u32 sadb_supported_reserved;
} __attribute__((packed));
/* sizeof(struct sadb_supported) == 8 */
/* followed by:
struct sadb_alg sadb_algs[(sadb_supported_len +
sizeof(__u64) - sizeof(struct sadb_supported)) /
sizeof(struct sadb_alg)]; */
struct sadb_alg {
__u8 sadb_alg_id;
__u8 sadb_alg_ivlen;
__u16 sadb_alg_minbits;
__u16 sadb_alg_maxbits;
__u16 sadb_alg_reserved;
} __attribute__((packed));
/* sizeof(struct sadb_alg) == 8 */
struct sadb_spirange {
__u16 sadb_spirange_len;
__u16 sadb_spirange_exttype;
__u32 sadb_spirange_min;
__u32 sadb_spirange_max;
__u32 sadb_spirange_reserved;
} __attribute__((packed));
/* sizeof(struct sadb_spirange) == 16 */
struct sadb_x_kmprivate {
__u16 sadb_x_kmprivate_len;
__u16 sadb_x_kmprivate_exttype;
__u32 sadb_x_kmprivate_reserved;
} __attribute__((packed));
/* sizeof(struct sadb_x_kmprivate) == 8 */
struct sadb_x_sa2 {
__u16 sadb_x_sa2_len;
__u16 sadb_x_sa2_exttype;
__u8 sadb_x_sa2_mode;
__u8 sadb_x_sa2_reserved1;
__u16 sadb_x_sa2_reserved2;
__u32 sadb_x_sa2_sequence;
__u32 sadb_x_sa2_reqid;
} __attribute__((packed));
/* sizeof(struct sadb_x_sa2) == 16 */
struct sadb_x_policy {
__u16 sadb_x_policy_len;
__u16 sadb_x_policy_exttype;
__u16 sadb_x_policy_type;
__u8 sadb_x_policy_dir;
__u8 sadb_x_policy_reserved;
__u32 sadb_x_policy_id;
__u32 sadb_x_policy_priority;
} __attribute__((packed));
/* sizeof(struct sadb_x_policy) == 16 */
struct sadb_x_ipsecrequest {
__u16 sadb_x_ipsecrequest_len;
__u16 sadb_x_ipsecrequest_proto;
__u8 sadb_x_ipsecrequest_mode;
__u8 sadb_x_ipsecrequest_level;
__u16 sadb_x_ipsecrequest_reserved1;
__u32 sadb_x_ipsecrequest_reqid;
__u32 sadb_x_ipsecrequest_reserved2;
} __attribute__((packed));
/* sizeof(struct sadb_x_ipsecrequest) == 16 */
/* This defines the TYPE of Nat Traversal in use. Currently only one
* type of NAT-T is supported, draft-ietf-ipsec-udp-encaps-06
*/
struct sadb_x_nat_t_type {
__u16 sadb_x_nat_t_type_len;
__u16 sadb_x_nat_t_type_exttype;
__u8 sadb_x_nat_t_type_type;
__u8 sadb_x_nat_t_type_reserved[3];
} __attribute__((packed));
/* sizeof(struct sadb_x_nat_t_type) == 8 */
/* Pass a NAT Traversal port (Source or Dest port) */
struct sadb_x_nat_t_port {
__u16 sadb_x_nat_t_port_len;
__u16 sadb_x_nat_t_port_exttype;
__be16 sadb_x_nat_t_port_port;
__u16 sadb_x_nat_t_port_reserved;
} __attribute__((packed));
/* sizeof(struct sadb_x_nat_t_port) == 8 */
/* Generic LSM security context */
struct sadb_x_sec_ctx {
__u16 sadb_x_sec_len;
__u16 sadb_x_sec_exttype;
__u8 sadb_x_ctx_alg; /* LSMs: e.g., selinux == 1 */
__u8 sadb_x_ctx_doi;
__u16 sadb_x_ctx_len;
} __attribute__((packed));
/* sizeof(struct sadb_sec_ctx) = 8 */
/* Used by MIGRATE to pass addresses IKE will use to perform
* negotiation with the peer */
struct sadb_x_kmaddress {
__u16 sadb_x_kmaddress_len;
__u16 sadb_x_kmaddress_exttype;
__u32 sadb_x_kmaddress_reserved;
} __attribute__((packed));
/* sizeof(struct sadb_x_kmaddress) == 8 */
/* To specify the SA dump filter */
struct sadb_x_filter {
__u16 sadb_x_filter_len;
__u16 sadb_x_filter_exttype;
__u32 sadb_x_filter_saddr[4];
__u32 sadb_x_filter_daddr[4];
__u16 sadb_x_filter_family;
__u8 sadb_x_filter_splen;
__u8 sadb_x_filter_dplen;
} __attribute__((packed));
/* sizeof(struct sadb_x_filter) == 40 */
/* Message types */
#define SADB_RESERVED 0
#define SADB_GETSPI 1
#define SADB_UPDATE 2
#define SADB_ADD 3
#define SADB_DELETE 4
#define SADB_GET 5
#define SADB_ACQUIRE 6
#define SADB_REGISTER 7
#define SADB_EXPIRE 8
#define SADB_FLUSH 9
#define SADB_DUMP 10
#define SADB_X_PROMISC 11
#define SADB_X_PCHANGE 12
#define SADB_X_SPDUPDATE 13
#define SADB_X_SPDADD 14
#define SADB_X_SPDDELETE 15
#define SADB_X_SPDGET 16
#define SADB_X_SPDACQUIRE 17
#define SADB_X_SPDDUMP 18
#define SADB_X_SPDFLUSH 19
#define SADB_X_SPDSETIDX 20
#define SADB_X_SPDEXPIRE 21
#define SADB_X_SPDDELETE2 22
#define SADB_X_NAT_T_NEW_MAPPING 23
#define SADB_X_MIGRATE 24
#define SADB_MAX 24
/* Security Association flags */
#define SADB_SAFLAGS_PFS 1
#define SADB_SAFLAGS_NOPMTUDISC 0x20000000
#define SADB_SAFLAGS_DECAP_DSCP 0x40000000
#define SADB_SAFLAGS_NOECN 0x80000000
/* Security Association states */
#define SADB_SASTATE_LARVAL 0
#define SADB_SASTATE_MATURE 1
#define SADB_SASTATE_DYING 2
#define SADB_SASTATE_DEAD 3
#define SADB_SASTATE_MAX 3
/* Security Association types */
#define SADB_SATYPE_UNSPEC 0
#define SADB_SATYPE_AH 2
#define SADB_SATYPE_ESP 3
#define SADB_SATYPE_RSVP 5
#define SADB_SATYPE_OSPFV2 6
#define SADB_SATYPE_RIPV2 7
#define SADB_SATYPE_MIP 8
#define SADB_X_SATYPE_IPCOMP 9
#define SADB_SATYPE_MAX 9
/* Authentication algorithms */
#define SADB_AALG_NONE 0
#define SADB_AALG_MD5HMAC 2
#define SADB_AALG_SHA1HMAC 3
#define SADB_X_AALG_SHA2_256HMAC 5
#define SADB_X_AALG_SHA2_384HMAC 6
#define SADB_X_AALG_SHA2_512HMAC 7
#define SADB_X_AALG_RIPEMD160HMAC 8
#define SADB_X_AALG_AES_XCBC_MAC 9
#define SADB_X_AALG_NULL 251 /* kame */
#define SADB_AALG_MAX 251
/* Encryption algorithms */
#define SADB_EALG_NONE 0
#define SADB_EALG_DESCBC 2
#define SADB_EALG_3DESCBC 3
#define SADB_X_EALG_CASTCBC 6
#define SADB_X_EALG_BLOWFISHCBC 7
#define SADB_EALG_NULL 11
#define SADB_X_EALG_AESCBC 12
#define SADB_X_EALG_AESCTR 13
#define SADB_X_EALG_AES_CCM_ICV8 14
#define SADB_X_EALG_AES_CCM_ICV12 15
#define SADB_X_EALG_AES_CCM_ICV16 16
#define SADB_X_EALG_AES_GCM_ICV8 18
#define SADB_X_EALG_AES_GCM_ICV12 19
#define SADB_X_EALG_AES_GCM_ICV16 20
#define SADB_X_EALG_CAMELLIACBC 22
#define SADB_X_EALG_NULL_AES_GMAC 23
#define SADB_EALG_MAX 253 /* last EALG */
/* private allocations should use 249-255 (RFC2407) */
#define SADB_X_EALG_SERPENTCBC 252 /* draft-ietf-ipsec-ciph-aes-cbc-00 */
#define SADB_X_EALG_TWOFISHCBC 253 /* draft-ietf-ipsec-ciph-aes-cbc-00 */
/* Compression algorithms */
#define SADB_X_CALG_NONE 0
#define SADB_X_CALG_OUI 1
#define SADB_X_CALG_DEFLATE 2
#define SADB_X_CALG_LZS 3
#define SADB_X_CALG_LZJH 4
#define SADB_X_CALG_MAX 4
/* Extension Header values */
#define SADB_EXT_RESERVED 0
#define SADB_EXT_SA 1
#define SADB_EXT_LIFETIME_CURRENT 2
#define SADB_EXT_LIFETIME_HARD 3
#define SADB_EXT_LIFETIME_SOFT 4
#define SADB_EXT_ADDRESS_SRC 5
#define SADB_EXT_ADDRESS_DST 6
#define SADB_EXT_ADDRESS_PROXY 7
#define SADB_EXT_KEY_AUTH 8
#define SADB_EXT_KEY_ENCRYPT 9
#define SADB_EXT_IDENTITY_SRC 10
#define SADB_EXT_IDENTITY_DST 11
#define SADB_EXT_SENSITIVITY 12
#define SADB_EXT_PROPOSAL 13
#define SADB_EXT_SUPPORTED_AUTH 14
#define SADB_EXT_SUPPORTED_ENCRYPT 15
#define SADB_EXT_SPIRANGE 16
#define SADB_X_EXT_KMPRIVATE 17
#define SADB_X_EXT_POLICY 18
#define SADB_X_EXT_SA2 19
/* The next four entries are for setting up NAT Traversal */
#define SADB_X_EXT_NAT_T_TYPE 20
#define SADB_X_EXT_NAT_T_SPORT 21
#define SADB_X_EXT_NAT_T_DPORT 22
#define SADB_X_EXT_NAT_T_OA 23
#define SADB_X_EXT_SEC_CTX 24
/* Used with MIGRATE to pass @ to IKE for negotiation */
#define SADB_X_EXT_KMADDRESS 25
#define SADB_X_EXT_FILTER 26
#define SADB_EXT_MAX 26
/* Identity Extension values */
#define SADB_IDENTTYPE_RESERVED 0
#define SADB_IDENTTYPE_PREFIX 1
#define SADB_IDENTTYPE_FQDN 2
#define SADB_IDENTTYPE_USERFQDN 3
#define SADB_IDENTTYPE_MAX 3
#endif /* !(_LINUX_PFKEY2_H) */
