+++ /dev/null
-#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
-{
- __u32 a4;
- __u32 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;
- __u16 dport;
- __u16 dport_mask;
- __u16 sport;
- __u16 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_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 */
-};
-
-/* 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_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;
-};
-
-/* 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_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; /* 0=transport,1=tunnel */
- __u8 replay_window;
- __u8 flags;
-#define XFRM_STATE_NOECN 1
-#define XFRM_STATE_DECAP_DSCP 2
-#define XFRM_STATE_NOPMTUDISC 4
-};
-
-struct xfrm_usersa_id {
- xfrm_address_t daddr;
- __u32 spi;
- __u16 family;
- __u8 proto;
-};
-
-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;
-};
-
-/* backwards compatibility for userspace */
-#define XFRMGRP_ACQUIRE 1
-#define XFRMGRP_EXPIRE 2
-#define XFRMGRP_SA 4
-#define XFRMGRP_POLICY 8
-
-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_MAX
-};
-#define XFRMNLGRP_MAX (__XFRMNLGRP_MAX - 1)
-
-#endif /* _LINUX_XFRM_H */
git://git.onelab.eu / iproute2.git / blobdiff