xref: /freebsd/sys/netipsec/keysock.h (revision ae477ca7da55f76d28859e1bd01cd1051e36f28f)
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 */
38 struct 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 
69 SYSCTL_DECL(_net_key);
70 
71 struct 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 
78 VNET_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 
83 int key_output(struct mbuf *m, struct socket *so, ...);
84 int key_sendup_mbuf(struct socket *, struct mbuf *, int);
85 #endif /* _KERNEL */
86 
87 #endif /*_NETIPSEC_KEYSOCK_H_*/
88