keysock.h revision 331525 
1/*	$FreeBSD: stable/11/sys/netipsec/keysock.h 331525 2018-03-25 03:37:26Z ae $	*/
2/*	$KAME: keysock.h,v 1.8 2000/03/27 05:11:06 sumikawa Exp $	*/
3
4/*-
5 * SPDX-License-Identifier: BSD-3-Clause
6 *
7 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
8 * All rights reserved.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 * 3. Neither the name of the project nor the names of its contributors
19 *    may be used to endorse or promote products derived from this software
20 *    without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 */
34
35#ifndef _NETIPSEC_KEYSOCK_H_
36#define _NETIPSEC_KEYSOCK_H_
37
38/* statistics for pfkey socket */
39struct pfkeystat {
40	/* kernel -> userland */
41	uint64_t out_total;		/* # of total calls */
42	uint64_t out_bytes;		/* total bytecount */
43	uint64_t out_msgtype[256];	/* message type histogram */
44	uint64_t out_invlen;		/* invalid length field */
45	uint64_t out_invver;		/* invalid version field */
46	uint64_t out_invmsgtype;	/* invalid message type field */
47	uint64_t out_tooshort;		/* msg too short */
48	uint64_t out_nomem;		/* memory allocation failure */
49	uint64_t out_dupext;		/* duplicate extension */
50	uint64_t out_invexttype;	/* invalid extension type */
51	uint64_t out_invsatype;		/* invalid sa type */
52	uint64_t out_invaddr;		/* invalid address extension */
53	/* userland -> kernel */
54	uint64_t in_total;		/* # of total calls */
55	uint64_t in_bytes;		/* total bytecount */
56	uint64_t in_msgtype[256];	/* message type histogram */
57	uint64_t in_msgtarget[3];	/* one/all/registered */
58	uint64_t in_nomem;		/* memory allocation failure */
59	/* others */
60	uint64_t sockerr;		/* # of socket related errors */
61};
62
63#define KEY_SENDUP_ONE		0
64#define KEY_SENDUP_ALL		1
65#define KEY_SENDUP_REGISTERED	2
66
67#ifdef _KERNEL
68#include <sys/counter.h>
69
70struct keycb {
71	struct rawcb kp_raw;	/* rawcb */
72	int kp_promisc;		/* promiscuous mode */
73	int kp_registered;	/* registered socket */
74};
75
76VNET_PCPUSTAT_DECLARE(struct pfkeystat, pfkeystat);
77#define	PFKEYSTAT_ADD(name, val)	\
78    VNET_PCPUSTAT_ADD(struct pfkeystat, pfkeystat, name, (val))
79#define	PFKEYSTAT_INC(name)		PFKEYSTAT_ADD(name, 1)
80
81int key_output(struct mbuf *m, struct socket *so, ...);
82int key_sendup_mbuf(struct socket *, struct mbuf *, int);
83#endif /* _KERNEL */
84
85#endif /*_NETIPSEC_KEYSOCK_H_*/
86