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/*	$KAME: keysock.h,v 1.7 2000/03/25 07:24:14 sumikawa Exp $	*/

/*
 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the project nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#ifndef _NETKEY_KEYSOCK_H_
#define _NETKEY_KEYSOCK_H_
#include <sys/appleapiopts.h>

/* statistics for pfkey socket */
struct pfkeystat {
	/* kernel -> userland */
	u_quad_t out_total;             /* # of total calls */
	u_quad_t out_bytes;             /* total bytecount */
	u_quad_t out_msgtype[256];      /* message type histogram */
	u_quad_t out_invlen;            /* invalid length field */
	u_quad_t out_invver;            /* invalid version field */
	u_quad_t out_invmsgtype;        /* invalid message type field */
	u_quad_t out_tooshort;          /* msg too short */
	u_quad_t out_nomem;             /* memory allocation failure */
	u_quad_t out_dupext;            /* duplicate extension */
	u_quad_t out_invexttype;        /* invalid extension type */
	u_quad_t out_invsatype;         /* invalid sa type */
	u_quad_t out_invaddr;           /* invalid address extension */
	/* userland -> kernel */
	u_quad_t in_total;              /* # of total calls */
	u_quad_t in_bytes;              /* total bytecount */
	u_quad_t in_msgtype[256];       /* message type histogram */
	u_quad_t in_msgtarget[3];       /* one/all/registered */
	u_quad_t in_nomem;              /* memory allocation failure */
	/* others */
	u_quad_t sockerr;               /* # of socket related errors */
};

#define KEY_SENDUP_ONE          0
#define KEY_SENDUP_ALL          1
#define KEY_SENDUP_REGISTERED   2

#ifdef BSD_KERNEL_PRIVATE
extern lck_mtx_t pfkey_stat_mutex;
#define PFKEY_STAT_INCREMENT(x)  \
	{lck_mtx_lock(&pfkey_stat_mutex); (x)++; lck_mtx_unlock(&pfkey_stat_mutex);}

struct keycb {
	struct rawcb kp_raw;    /* rawcb */
	int kp_promisc;         /* promiscuous mode */
	int kp_registered;      /* registered socket */
};

extern struct pfkeystat pfkeystat;

#ifdef __APPLE__
extern int key_output(struct mbuf *, struct socket* so);
#else
extern int key_output(struct mbuf *, ...);
#endif
extern int key_usrreq(struct socket *,
    int, struct mbuf *, struct mbuf *, struct mbuf *);

extern int key_sendup(struct socket *, struct sadb_msg *, u_int, int);
extern int key_sendup_mbuf(struct socket *, struct mbuf *, int);
#endif /* BSD_KERNEL_PRIVATE */

#endif /*_NETKEY_KEYSOCK_H_*/