#ifndef _NETKEY_KEY_H_
#define _NETKEY_KEY_H_
#include <sys/appleapiopts.h>
#ifdef BSD_KERNEL_PRIVATE
#define KEY_SADB_UNLOCKED 0
#define KEY_SADB_LOCKED 1
extern struct key_cb key_cb;
struct secpolicy;
struct secpolicyindex;
struct ipsecrequest;
struct secasvar;
struct sockaddr;
struct socket;
struct sadb_msg;
struct sadb_x_policy;
struct secasindex;
struct secashead;
struct sadb_key;
struct sadb_lifetime;
extern struct secpolicy *key_allocsp(struct secpolicyindex *, u_int);
extern struct secasvar *key_allocsa_policy(struct secasindex *);
extern struct secpolicy *key_gettunnel(struct sockaddr *,
struct sockaddr *, struct sockaddr *, struct sockaddr *);
extern struct secasvar *key_alloc_outbound_sav_for_interface(ifnet_t interface, int family,
struct sockaddr *src,
struct sockaddr *dst);
extern int key_checkrequest(struct ipsecrequest *isr, struct secasindex *,
struct secasvar **sav);
extern struct secasvar *key_allocsa(u_int, caddr_t, caddr_t,
u_int, u_int32_t);
struct secasvar *
key_allocsa_extended(u_int family, caddr_t src, caddr_t dst,
u_int proto, u_int32_t spi, ifnet_t interface);
extern bool key_checksa_present(u_int family, caddr_t src, caddr_t dst, u_int16_t src_port, u_int16_t dst_port);
extern u_int16_t key_natt_get_translated_port(struct secasvar *);
extern void key_freesp(struct secpolicy *, int);
extern void key_freesav(struct secasvar *, int);
extern struct secpolicy *key_newsp(void);
extern struct secpolicy *key_msg2sp(struct sadb_x_policy *, size_t, int *);
extern struct mbuf *key_sp2msg(struct secpolicy *);
extern int key_ismyaddr(struct sockaddr *);
extern int key_spdacquire(struct secpolicy *);
extern void key_timehandler(void);
extern u_int32_t key_random(void);
extern void key_randomfill(void *, size_t);
extern void key_freereg(struct socket *);
extern int key_parse(struct mbuf *, struct socket *);
extern int key_checktunnelsanity(struct secasvar *, u_int, caddr_t, caddr_t);
extern void key_sa_recordxfer(struct secasvar *, struct mbuf *);
extern void key_sa_routechange(struct sockaddr *);
extern void key_sa_chgstate(struct secasvar *, u_int8_t);
extern void key_sa_stir_iv(struct secasvar *);
extern void key_delsah(struct secashead *sah);
extern struct secashead *key_newsah2(struct secasindex *saidx, u_int8_t dir);
extern void key_delsav(struct secasvar *sav);
extern struct secpolicy *key_getspbyid(u_int32_t);
extern void key_delsp_for_ipsec_if(ifnet_t ipsec_if);
struct ifnet;
struct ifnet_keepalive_offload_frame;
extern u_int32_t key_fill_offload_frames_for_savs(struct ifnet *,
struct ifnet_keepalive_offload_frame *frames_array, u_int32_t, size_t);
extern bool key_custom_ipsec_token_is_valid(void *);
extern int key_reserve_custom_ipsec(void **, union sockaddr_in_4_6 *, union sockaddr_in_4_6 *, u_int8_t proto);
extern void key_release_custom_ipsec(void **);
#endif
#endif