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_*/