1/*	$KAME: keysock.h,v 1.8 2000/03/27 05:11:06 sumikawa Exp $	*/
2
3/*-
4 * SPDX-License-Identifier: BSD-3-Clause
5 *
6 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 * 3. Neither the name of the project nor the names of its contributors
18 *    may be used to endorse or promote products derived from this software
19 *    without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34#ifndef _NETIPSEC_KEYSOCK_H_
35#define _NETIPSEC_KEYSOCK_H_
36
37/* statistics for pfkey socket */
38struct pfkeystat {
39	/* kernel -> userland */
40	uint64_t out_total;		/* # of total calls */
41	uint64_t out_bytes;		/* total bytecount */
42	uint64_t out_msgtype[256];	/* message type histogram */
43	uint64_t out_invlen;		/* invalid length field */
44	uint64_t out_invver;		/* invalid version field */
45	uint64_t out_invmsgtype;	/* invalid message type field */
46	uint64_t out_tooshort;		/* msg too short */
47	uint64_t out_nomem;		/* memory allocation failure */
48	uint64_t out_dupext;		/* duplicate extension */
49	uint64_t out_invexttype;	/* invalid extension type */
50	uint64_t out_invsatype;		/* invalid sa type */
51	uint64_t out_invaddr;		/* invalid address extension */
52	/* userland -> kernel */
53	uint64_t in_total;		/* # of total calls */
54	uint64_t in_bytes;		/* total bytecount */
55	uint64_t in_msgtype[256];	/* message type histogram */
56	uint64_t in_msgtarget[3];	/* one/all/registered */
57	uint64_t in_nomem;		/* memory allocation failure */
58	/* others */
59	uint64_t sockerr;		/* # of socket related errors */
60};
61
62#define KEY_SENDUP_ONE		0
63#define KEY_SENDUP_ALL		1
64#define KEY_SENDUP_REGISTERED	2
65
66#ifdef _KERNEL
67#include <sys/counter.h>
68
69SYSCTL_DECL(_net_key);
70
71struct keycb {
72	LIST_ENTRY(keycb) kp_next;
73	struct socket *kp_socket;
74	int kp_promisc;		/* promiscuous mode */
75	int kp_registered;	/* registered socket */
76};
77
78VNET_PCPUSTAT_DECLARE(struct pfkeystat, pfkeystat);
79#define	PFKEYSTAT_ADD(name, val)	\
80    VNET_PCPUSTAT_ADD(struct pfkeystat, pfkeystat, name, (val))
81#define	PFKEYSTAT_INC(name)		PFKEYSTAT_ADD(name, 1)
82
83int key_output(struct mbuf *m, struct socket *so, ...);
84int key_sendup_mbuf(struct socket *, struct mbuf *, int);
85#endif /* _KERNEL */
86
87#endif /*_NETIPSEC_KEYSOCK_H_*/
88