xref: /freebsd/sys/netipsec/keysock.h (revision 41059135ce931c0f1014a999ffabc6bc470ce856)
1 /*	$FreeBSD$	*/
2 /*	$KAME: keysock.h,v 1.8 2000/03/27 05:11:06 sumikawa Exp $	*/
3 
4 /*-
5  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 3. Neither the name of the project nor the names of its contributors
17  *    may be used to endorse or promote products derived from this software
18  *    without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30  * SUCH DAMAGE.
31  */
32 
33 #ifndef _NETIPSEC_KEYSOCK_H_
34 #define _NETIPSEC_KEYSOCK_H_
35 
36 /* statistics for pfkey socket */
37 struct pfkeystat {
38 	/* kernel -> userland */
39 	uint64_t out_total;		/* # of total calls */
40 	uint64_t out_bytes;		/* total bytecount */
41 	uint64_t out_msgtype[256];	/* message type histogram */
42 	uint64_t out_invlen;		/* invalid length field */
43 	uint64_t out_invver;		/* invalid version field */
44 	uint64_t out_invmsgtype;	/* invalid message type field */
45 	uint64_t out_tooshort;		/* msg too short */
46 	uint64_t out_nomem;		/* memory allocation failure */
47 	uint64_t out_dupext;		/* duplicate extension */
48 	uint64_t out_invexttype;	/* invalid extension type */
49 	uint64_t out_invsatype;		/* invalid sa type */
50 	uint64_t out_invaddr;		/* invalid address extension */
51 	/* userland -> kernel */
52 	uint64_t in_total;		/* # of total calls */
53 	uint64_t in_bytes;		/* total bytecount */
54 	uint64_t in_msgtype[256];	/* message type histogram */
55 	uint64_t in_msgtarget[3];	/* one/all/registered */
56 	uint64_t in_nomem;		/* memory allocation failure */
57 	/* others */
58 	uint64_t sockerr;		/* # of socket related errors */
59 };
60 
61 #define KEY_SENDUP_ONE		0
62 #define KEY_SENDUP_ALL		1
63 #define KEY_SENDUP_REGISTERED	2
64 
65 #ifdef _KERNEL
66 #include <sys/counter.h>
67 
68 struct keycb {
69 	struct rawcb kp_raw;	/* rawcb */
70 	int kp_promisc;		/* promiscuous mode */
71 	int kp_registered;	/* registered socket */
72 };
73 
74 VNET_PCPUSTAT_DECLARE(struct pfkeystat, pfkeystat);
75 #define	PFKEYSTAT_ADD(name, val)	\
76     VNET_PCPUSTAT_ADD(struct pfkeystat, pfkeystat, name, (val))
77 #define	PFKEYSTAT_INC(name)		PFKEYSTAT_ADD(name, 1)
78 
79 extern int key_output(struct mbuf *m, struct socket *so, ...);
80 extern int key_usrreq(struct socket *, int, struct mbuf *,
81     struct mbuf *, struct mbuf *);
82 
83 extern int key_sendup(struct socket *, struct sadb_msg *, u_int, int);
84 extern int key_sendup_mbuf(struct socket *, struct mbuf *, int);
85 #endif /* _KERNEL */
86 
87 #endif /*_NETIPSEC_KEYSOCK_H_*/
88